CN2746431Y

CN2746431Y - System for on-line detecting and controlling dye liquid component of dyeing machine

Info

Publication number: CN2746431Y
Application number: CN 200420079359
Authority: CN
Inventors: 邓建军
Original assignee: HEIMUDAN (GROUP) CO Ltd
Current assignee: HEIMUDAN (GROUP) CO Ltd
Priority date: 2004-09-07
Filing date: 2004-09-07
Publication date: 2005-12-14
Anticipated expiration: 2014-09-07

Abstract

The utility model relates to a system for detecting and controlling dye liquid component of a dyeing machine, which belongs to the field of using the vat dyes to dye textiles. The utility model comprises a dye liquid component adding device, a dye liquid reducing agent on-line detecting device, a pH value on-line detecting device, a dye liquid sampling pump, and an industrial control computer. The industrial control computer is the controlling core when the utility model is used to collect dye liquid samples in the dye box of the dyeing machine in the real-time and on-line mode. The concentration of the reducing agent in the dye liquid is detected by using a potentiometric titration method in the real-time and on-line mode; the pH value of the dye liquid can also be detected in the real-time and on-line mode. The on-line detected value is compared with the set-point value, the addition quantity of the dye liquid component adding device is controlled by the comparative result, and the dye liquid component in the dye box is controlled in the on-line mode to be consistent with the set-point value so the quality of the dyeing the textiles is ensured. The utility model which is good for environment protection has the advantages that the production cost is reduced, and the labor intensity of the operators can be reduced.

Description

The dye liquor component of overflow dyeing machine is carried out the system of online detection and control

Technical field

The utility model relates in the printing and dyeing of a kind of yarn fabric the system that the dye liquor component to overflow dyeing machine detects and controls, and belongs to the field of textile being dyeed with reducing dye.

Background technology

The detection of traditional reducing dye and control in the fabrics printing and dyeing are to adopt manually to detect and the manual control mode basically.Under this control mode, because the time interval of manual detection is longer, the interpolation of dye well auxiliary agent varies with each individual, add the height difference of dyeing control personnel accountability, human factor is bigger to the dyeing quality influence, cause the instability of the various compositions of dye liquor in the staining bath easily, particularly cause the front and back aberration of dyeing.Therefore guarantee the stable of the various key elements relevant, reduce artificial factor, become the key of dyeing industry control dye aberration with dyeing.Chinese patent application 02116523.8 discloses a kind of potentiometric titrimeter that is made of imbibition unit, data acquisition and converting unit, driving gear unit, computing machine and application software; This titrator and computing machine are by the serial ports swap data, software is controlled automatically to titration whole process, simultaneously the data that collect are handled, show titration curve in real time, can stop titration automatically and show test data, be applicable to oil and the mensuration of petroleum products neutral and alkali nitrogen content and the potentiometric titration of other sample.But this equipment is to overlap independently testing apparatus, carries out though testing process is a whole-process automatic, and sample also need manually take by weighing, and only is suitable for laboratory condition, can not realize the online automatic detection in the commercial production; More can not control automatically the operation of equipment according to testing result.

The utility model content

The purpose of this utility model provides a kind ofly makes the quality of product higher, the consumption system less, that can carry out online detection and control to the dye liquor component of overflow dyeing machine when using of dyestuff and auxiliary agent.

The technical scheme that realizes the utility model purpose is: it is dye liquor sampling pump, dye liquor reductive agent on-line measuring device, dye liquor pH value on-line measuring device and the dye liquor component adding set of the circuit arrangement of control core and the dye liquor sampling propulsion system that are controlled by industrial control computer that system of the present utility model has with the industrial control computer; Industrial control computer also has overflow dyeing machine rate signal input port; Dye liquor component adding set communicates with the dye liquor closed circuit of overflow dyeing machine, and dye liquor reductive agent on-line measuring device and dye liquor pH value on-line measuring device communicate with the dye liquor closed circuit of overflow dyeing machine by the dye liquor sampling pump.

Dye liquor component adding set has dye liquor supplementary device, caustic soda supplementary device and sodium hydrosulfite adding set; Dye liquor sampling propulsion system also have the 3rd frequency converter of control dye liquor sampling pump, and the output terminal of the 3rd frequency converter links to each other with the power end of the drive motor of dye liquor sampling pump; Input integrated circuit board and output integrated circuit board that industrial control computer has the CPU board card and is subjected to the CPU board card control; The tablet jig of industrial control computer has oxidation-reduction potential signal input port, pH value signal input port, overflow dyeing machine rate signal input port and dye liquor ebullator working signal input port, wherein, oxidation-reduction potential signal input port, pH value signal input port and overflow dyeing machine rate signal input port are the input end of analog signal mouth, and dye liquor ebullator working signal input port is the switching value signal input port; Industrial control computer output board jig has the sodium hydrosulfite adding set to regulate the control signal output ends mouth, the dye liquor supplementary device is regulated the control signal output ends mouth, caustic soda supplementary device control signal output ends mouth, dyestuff sampling pump control signal output ends mouth, dye liquor reductive agent on-line measuring device control signal output ends mouth and dye liquor pH value on-line measuring device control signal output ends mouth, wherein, the sodium hydrosulfite adding set regulates the control signal output ends mouth and dye liquor supplementary device adjusting control signal output ends mouth is the analog signal output mouth, caustic soda supplementary device control signal output ends mouth, dyestuff sampling pump control signal output ends mouth, dye liquor reductive agent on-line measuring device control signal output ends mouth and dye liquor pH value on-line measuring device control signal output ends mouth are the switching value signal output port; The material that native system also has on the dye liquor closed circuit that is arranged on overflow dyeing machine adds container, and the dye liquor closed circuit of overflow dyeing machine has material and adds container, staining bath, dye liquor ebullator and corresponding pipeline, valve; The dye liquor supplementary device has dyestuff constant current case and the vatting dye liquor is supplied with volume pump, dyestuff constant current case is supplied with the pipeline that volume pump adds container with material in the dye liquor closed circuit or be positioned at dye liquor ebullator suction inlet place by the vatting dye liquor and is linked to each other, and the dye liquor supplementary device of the output integrated circuit board of industrial control computer is regulated the control signal output ends mouth and is electrically connected with the control end of vatting dye liquor supply volume pump; The caustic soda supplementary device has caustic soda and replenishes case and caustic soda interpolation valve, caustic soda replenishes case and links to each other with material interpolation container by caustic soda interpolation valve, and the caustic soda supplementary device control signal output ends mouth of the output integrated circuit board of industrial control computer is electrically connected with the control end that caustic soda adds valve; The sodium hydrosulfite adding set has hopper, spiral propeller and second frequency converter, spiral propeller is positioned at the hopper below, the material outlet of spiral propeller is positioned at the sodium hydrosulfite interpolation mouthful top that material adds container, and the sodium hydrosulfite adding set of the output integrated circuit board of industrial control computer is regulated the control signal output ends mouth and is electrically connected with the frequency signal input end of second frequency converter of sodium hydrosulfite adding set; Staining bath has thief hatch, and the pipeline in staining bath or the overflow dyeing machine dye liquor closed circuit is provided with first liquid return hole and second liquid return hole; Staining bath is linked to each other with the dye liquor input port of dye liquor reductive agent on-line measuring device and dye liquor pH value on-line measuring device respectively by dye liquor sampling pump and corresponding pipeline by its thief hatch, the dye liquor delivery outlet of dye liquor reductive agent on-line measuring device links to each other with first liquid return hole by pipeline, the dye liquor delivery outlet of dye liquor pH value on-line measuring device links to each other with second liquid return hole by pipeline, and the dye liquor sampling pump control signal output ends mouth of the output integrated circuit board of industrial control computer is electrically connected with the start-up control end of the 3rd frequency converter of dye liquor sampling propulsion system; The dye liquor oxidation-reduction potential signal output part of dye liquor reductive agent on-line measuring device is electrically connected with the oxidation-reduction potential signal input port of the input integrated circuit board of industrial control computer, and the dye liquor reductive agent on-line measuring device control signal output ends mouth of the output integrated circuit board of industrial control computer is electrically connected with the control port of dye liquor reductive agent on-line measuring device; The dye liquor pH value signal output part of dye liquor pH value on-line measuring device is electrically connected with the pH value signal input port of the input integrated circuit board of industrial control computer, and the dye liquor pH value on-line measuring device control signal output ends mouth of the output integrated circuit board of industrial control computer is electrically connected with the control port of dye liquor pH value on-line measuring device.

The dyestuff constant current case of dye liquor supplementary device is a constant current case of being controlled liquid level by ball float automatically; It is the constant current case of being controlled liquid level by ball float automatically that the caustic soda of caustic soda supplementary device replenishes case, it is the combination valve that is combined mutually by solenoid valve and the pneumatic cut-off valve that is controlled by this solenoid valve that caustic soda adds valve, and the control end that caustic soda adds the solenoid valve of valve is the control end that caustic soda adds valve.

Dye liquor reductive agent on-line measuring device has water for cleaning inlet, air intake, outfall, oxidation-reduction potential instrument, buret, potential-measuring electrode, alkali condition auxiliary agent Dropping feeder, oxygenant Dropping feeder, the first dye liquor inlet valve, mouth piece pipe, pump discharge pipe, bottom tube, vertical tube, titration ebullator, first sewage blow-down valve, the first rinse water inlet valve, breather valve, first dye liquor and returns the liquid valve and first frequency converter; Buret is a transparent hollow sealing container, has the electrode connector and the dye liquor outlet that are positioned at the top, also has the dye liquor import that is positioned at the bottom; Potential-measuring electrode is fixed on the electrode connector place at buret top, and the probe segment of potential-measuring electrode is positioned at the cavity of buret; The signal output part of potential-measuring electrode is electrically connected with the oxidation-reduction potential signal input port of oxidation-reduction potential instrument, and the oxidation-reduction potential signal output part of oxidation-reduction potential instrument is the dye liquor oxidation-reduction potential signal output part of dye liquor reductive agent on-line measuring device; Mouth piece pipe, pump discharge pipe, bottom tube, vertical tube and titration ebullator constitute the dye liquor circulation line; The suction inlet of titration ebullator links to each other with the left port of mouth piece pipe, the liquid outlet of titration ebullator links to each other with pump discharge pipe, pump discharge pipe is stretched in the buret by the dye liquor import of buret bottom, and its mouth of pipe is positioned at the tube wall of the opening of the middle part of buret and the mouth of pipe towards buret; The upper port of bottom tube links to each other with the dye liquor import of buret bottom, the left port of bottom tube links to each other with the output port of alkali condition auxiliary agent Dropping feeder, the right output port of bottom tube links to each other with the output port of oxygenant Dropping feeder, and the lower port of bottom tube links to each other with the upper port of vertical tube; The middle upper port of vertical tube links to each other with the inlet of first sewage blow-down valve, and the middle lower port of vertical tube links to each other with the right output port of mouth piece pipe, and vertical tube also is provided with staining bath dye liquor input port, and this staining bath dye liquor input port links to each other with the liquid outlet of the first dye liquor inlet valve; The mouth piece pipe also is provided with Butterworth Hatch, and this Butterworth Hatch links to each other with the liquid outlet of the first rinse water inlet valve; The inlet of the first rinse water inlet valve links to each other with the water for cleaning pipe, and the other end of water for cleaning pipe is the water for cleaning inlet, and the liquid outlet of first sewage blow-down valve links to each other with outfall with air intake simultaneously; The dye liquor outlet at buret top links to each other with air intake by breather valve, the outlet of the dye liquor at buret top also links to each other with the inlet that first dye liquor returns the liquid valve simultaneously, the liquid outlet that first dye liquor returns the liquid valve is the dye liquor delivery outlet of dye liquor reductive agent on-line measuring device, and the inlet of the first dye liquor inlet valve is the dye liquor input port of dye liquor reductive agent on-line measuring device.

Dye liquor reductive agent on-line measuring device also has temperature measurement electrode, and the probe segment of temperature measurement electrode is arranged in buret or dye liquor circulation line; The signal output part of temperature measurement electrode is electrically connected with the temperature signal input port of oxidation-reduction potential instrument; The port of the signal of the reflection oxidation-reduction potential of exportable process temperature correction when the oxidation-reduction potential signal output part of oxidation-reduction potential instrument is to use.

Dye liquor reductive agent on-line measuring device also has dye liquor current observation pipe, dye liquor current observation pipe is arranged on the dye liquor outlet at buret top and breather valve and dye liquor and returns between the input end of liquid valve, dye liquor current observation pipe is pressed the horizontal direction setting substantially, and its endpiece is a little less than entrance point.

The alkali condition auxiliary agent Dropping feeder of dye liquor reductive agent on-line measuring device has alkali condition auxiliary agent storage barrel, bottom valve, alkali condition auxiliary agent volume pump, counterbalance valve and one way stop peturn valve; Bottom valve is arranged in alkali condition auxiliary agent storage barrel, the output terminal of bottom valve links to each other with alkali condition auxiliary agent metering pump intake by connecting pipe, the liquid outlet of alkali condition auxiliary agent volume pump links to each other with the input end of counterbalance valve, the output terminal of counterbalance valve links to each other with the one way stop peturn valve input end, and the output terminal of one way stop peturn valve is the output port of alkali condition auxiliary agent Dropping feeder; The oxygenant Dropping feeder has oxygenant storage barrel, bottom valve, oxygenant volume pump, counterbalance valve and one way stop peturn valve; Bottom valve is arranged in the oxygenant storage barrel, the output terminal of bottom valve links to each other with oxygenant metering pump intake by connecting pipe, the liquid outlet of oxygenant volume pump links to each other with the input end of counterbalance valve, the output terminal of counterbalance valve links to each other with the one way stop peturn valve input end, and the output terminal of one way stop peturn valve is the output port of oxygenant Dropping feeder.

The dye liquor reductive agent on-line measuring device control signal output ends mouth of the output integrated circuit board of industrial control computer has alkali condition auxiliary agent volume pump control signal output ends, oxygenant volume pump control signal output ends, and titration ebullator control signal output ends, the first dye liquor inlet valve control signal output ends, the first sewage blow-down valve control signal output ends, the first rinse water inlet valve control signal output ends, breather valve control signal output ends and first dye liquor return liquid valve control signal output terminal; The alkali condition auxiliary agent volume pump control signal output ends of output integrated circuit board is electrically connected with the control end of the alkali condition auxiliary agent volume pump of dye liquor reductive agent on-line measuring device, the oxygenant volume pump control signal output ends of output integrated circuit board is electrically connected with the control end of the oxygenant volume pump of dye liquor reductive agent on-line measuring device, and the titration ebullator control signal output ends of output integrated circuit board is electrically connected with the start-up control end of first frequency converter of dye liquor reductive agent on-line measuring device; The dye liquor inlet valve of dye liquor reductive agent on-line measuring device, the buret sewage blow-down valve, buret rinse water inlet valve, breather valve and dye liquor return all combination valves for being combined mutually by solenoid valve and the pneumatic cut-off valve that is controlled by this solenoid valve of liquid valve, the first dye liquor inlet valve control signal output ends of the dye liquor reductive agent on-line measuring device control signal output ends mouth of the output integrated circuit board of industrial control computer, the first sewage blow-down valve control signal output ends, the first rinse water inlet valve control signal output ends, the breather valve control signal output ends and first dye liquor return liquid valve control signal output terminal respectively with the first dye liquor inlet valve, first sewage blow-down valve, the first rinse water inlet valve, the control end that the breather valve and first dye liquor return the corresponding solenoid valve of liquid valve is electrically connected.

The dye liquor pH value on-line measuring device has water for cleaning inlet, outfall, pH meter, pH value potential electrode, the second dye liquor inlet valve, second dye liquor and returns liquid valve, the second rinse water inlet valve, water for cleaning pipe, second sewage blow-down valve, bilge discharge pipe and dye liquor circulation pipe; The inlet of the second dye liquor inlet valve is the dye liquor input port of dye liquor pH value on-line measuring device, the liquid outlet of the second dye liquor inlet valve links to each other with the dye liquor inlet of dye liquor circulation pipe, the outlet of dye liquor circulation pipe dye liquor is returned liquid valve inlet with second dye liquor and is linked to each other, and second dye liquor returns the dye liquor delivery outlet that liquid valve liquid outlet is the dye liquor pH value on-line measuring device; The dye liquor circulation pipe also is provided with the Butterworth Hatch of the close second dye liquor inlet valve and returns the escape hole of liquid valve near second dye liquor, one end of water for cleaning pipe is the water for cleaning inlet of dye liquor pH value on-line measuring device, the other end of water for cleaning pipe links to each other with the inlet of the second rinse water inlet valve, and the liquid outlet of the second rinse water inlet valve links to each other with the Butterworth Hatch of dye liquor circulation pipe; Dye liquor circulation pipe escape hole links to each other with the inlet of second sewage blow-down valve, and the liquid outlet of second sewage blow-down valve links to each other with an end of bilge discharge pipe, and the other end of bilge discharge pipe is the outfall of dye liquor pH value on-line measuring device; PH value potential electrode be arranged on the dye liquor circulation pipe on the pipeline section between the second rinse water inlet valve and second sewage blow-down valve, and its probe stretches in the dye liquor circulation pipe; The signal output part of pH value potential electrode is electrically connected with the pH value signal input end of pH meter, and the pH value signal output terminal of pH meter is the dye liquor pH value signal output part of dye liquor pH value on-line measuring device.

The dye liquor pH value on-line measuring device also has temperature measurement electrode, temperature measurement electrode be arranged on the dye liquor circulation pipe on the pipeline section between the second rinse water inlet valve and second sewage blow-down valve, and its probe stretches in the dye liquor circulation pipe, and the signal output part of temperature measurement electrode is electrically connected with the temperature signal input end of pH meter; The port of the signal of the reflection dye liquor pH value of exportable process temperature correction when the dye liquor pH value signal output part of pH meter is to use.

The dye liquor pH value on-line measuring device control signal output ends mouth of industrial control computer output integrated circuit board has the second dye liquor inlet valve and second dye liquor returns liquid valve control signal output terminal, the second rinse water inlet valve and the second sewage blow-down valve control signal output ends; The second dye liquor inlet valve of dye liquor pH value on-line measuring device, second dye liquor return liquid valve, the second rinse water inlet valve and second sewage blow-down valve all for by solenoid valve be controlled by the combination valve that the pneumatic cut-off valve of this solenoid valve combines mutually; The output second dye liquor inlet valve of integrated circuit board and second dye liquor return liquid valve control signal output terminal and are electrically connected with the control end that the second dye liquor inlet valve and second dye liquor return the corresponding solenoid valve of liquid valve simultaneously, and second rinse water inlet valve of output integrated circuit board and second sewage blow-down valve control signal output ends while are electrically connected with the control end of the corresponding solenoid valve of the second rinse water inlet valve and second sewage blow-down valve.

It is the dye liquor circulating box that material in the dye liquor closed circuit adds container; Pipeline in the dye liquor closed circuit has dye liquor and adds pipe, dye liquor liquid back pipe and dye liquor tail pipe; The liquid outlet of dye liquor ebullator connects dye liquor and adds pipe, the liquid outlet that dye liquor adds pipe connects staining bath, the dye liquor liquid outlet of staining bath connects the dye liquor liquid back pipe, the liquid outlet of dye liquor liquid back pipe connects material and adds container, the liquid outlet that material adds container connects the dye liquor tail pipe, and the liquid outlet of dye liquor tail pipe connects the dye liquor ebullator.

It is that material adds groove that material in the dye liquor closed circuit adds container; Pipeline in the dye liquor closed circuit has dye liquor and adds pipe, dye liquor liquid back pipe and dye liquor tail pipe; The liquid outlet of dye liquor ebullator links to each other with the inlet that dye liquor adds pipe, and each liquid outlet that dye liquor adds pipe links to each other with the dye liquor inlet of each staining bath by valve; The dye liquor liquid outlet of staining bath has two, and they are outlet and dye liquor bottom outlets under the dye liquor; The dye liquor of each staining bath down outlet links to each other with dye liquor liquid back pipe as balance pipe by valve, the dye liquor bottom outlet of each staining bath links to each other with dye liquor tail pipe as circulation pipe by valve, and the end liquid outlet of dye liquor tail pipe links to each other with dye liquor ebullator liquid sucting port by filter screen.

The input integrated circuit board of industrial control computer is made up of simulating signal input sample card and digital signal input card, and the output integrated circuit board of industrial control computer is made up of simulation and digital signal output card and digital relay output integrated circuit board; Simulating signal input sample card directly links to each other with the CPU board card with simulation and digital signal output card, and digital signal input card and digital relay output board card connection are on the simulation and the integrated circuit board interface of digital signal output card and be controlled by the CPU board card by simulation and digital signal output card; PH value signal input port, oxidation-reduction potential signal input port and the overflow dyeing machine rate signal input port of input integrated circuit board then belong to simulating signal input sample card; The dye liquor ebullator working signal input port of input integrated circuit board then belongs to the digital signal input card; The sodium hydrosulfite adding set of output integrated circuit board regulates the control signal output ends mouth and dye liquor supplementary device control signal output ends mouth then belongs to simulation and digital signal output card; Caustic soda supplementary device control signal output ends mouth, dyestuff sampling pump control signal output ends mouth, dye liquor reductive agent on-line measuring device control signal output ends mouth and the dye liquor pH value on-line measuring device control signal output ends mouth of output integrated circuit board then belongs to digital relay output integrated circuit board.

The digital signal input card of industrial control computer also is provided with the sodium hydrosulfite auto-manual and adds signal input port; The simulating signal input sample card of industrial control computer also is provided with sodium hydrosulfite and manually adds the conditioning signal input port; The circuit arrangement of native system also has sodium hydrosulfite and adds regulating circuit and sodium hydrosulfite automatic/hand interpolation switch, the sodium hydrosulfite automatic/hand of the output termination digital signal input card of this switch adds signal input port, and the sodium hydrosulfite that sodium hydrosulfite adds the output termination simulating signal input sample card of regulating circuit manually adds the conditioning signal input port; The digital signal input card of industrial control computer also is provided with system start-up/stop signal input port, and circuit arrangement also has system start-up/stop switch; System start-up/the stop system start-up/stop signal input port of the output termination digital signal input card of switch.

The utlity model has positive effect: before (1) system of the present utility model uses, corresponding software must be set in industrial control computer, also need at different overflow dyeing machines, detect and control and carry out relevant parameter setting with system of the present utility model and to dye liquor.When system of the present utility model uses, real-time online is gathered the dye liquor sample in the overflow dyeing machine staining bath, adopt industrial control computer as the control core, utilize the online timing of potentiometric titration method to detect the concentration of respective components in the dye liquor, the also online pH value that detects dye liquor immediately, online detected value and setting value are compared, control the addition of the adding set of corresponding additive and dye liquor according to comparative result, dye liquor composition in the On-line Control staining bath is consistent with setting value, thereby guarantees the dyeing quality of dyed fabric.Realized online automatic detection when (2) using to the dye liquor component because of the utility model, and realized on-line automatic control on this basis, whole detection and control procedure all can be carried out under the control of industrial control computer, thereby the composition that can make dye liquor is comparatively stable and make overflow dyeing machine obtain reliable assurance to the dyeing quality of yarn fabric.(3) can carry out On-line Control to the dye liquor component because of the utility model; therefore can make the consumption of sodium hydrosulfite and caustic soda reduce more; can make production cost that certain reduction is arranged; and greatly reduce because of the emission in the dyeing waste-water; and be that the processing of road, back has alleviated burden; not only further reduced cost, and helped environmental protection, also made operator's labour intensity obtain reduction.(4) system of the present utility model in use can be cleaned the electrode of dye liquor reductive agent on-line measuring device and dye liquor pH value on-line measuring device, helps prolonging the serviceable life of electrode like this.(5) system of the present utility model is suitable for dyeing temperature less than online detection of dye liquor component and control in 90 ℃ the reducing dye dyeing.(6), also do not retrieve the report that the dyeing component of overflow dyeing machine is carried out online detection or On-line Control, so the utility model is the utility model creation of an originality at dyeing.

Description of drawings

The synoptic diagram of the system that Fig. 1 is adopted when using on sizing-dyeing machine for the utility model.

Fig. 2 is the inner integrated circuit board arrangement plan of industrial control computer among Fig. 1.

Fig. 3 is the schematic diagram of digital relay output integrated circuit board among Fig. 2.

Fig. 4 is the synoptic diagram of interconnected relationship between the pipeline of dye liquor reductive agent on-line measuring device among Fig. 1 and dye liquor pH value on-line measuring device and these pipelines and the staining bath.

Fig. 5 is the oxidation-reduction potential figure when carrying out redox titration.

The synoptic diagram of the system that Fig. 6 is adopted when using on the ball warp overflow dyeing machine for the utility model.

Fig. 7 is the synoptic diagram of interconnected relationship between the pipeline of dye liquor reductive agent on-line measuring device among Fig. 6 and dye liquor pH value on-line measuring device and these pipelines and the staining bath.

Embodiment

(embodiment 1)

See Fig. 1, the system of present embodiment has dye liquor component adding set, dye liquor reductive agent on-line measuring device 5, dye liquor pH value on-line measuring device 6, dye liquor sampling pump 8 and circuit arrangement.Dye liquor component adding set has dye liquor supplementary device 2, caustic soda supplementary device 3 and sodium hydrosulfite adding set 4.Circuit arrangement has industrial control computer 9.Online detection and control system also have material interpolation container 1 in the dye liquor closed circuit that is arranged on overflow dyeing machine.

See Fig. 2, input integrated circuit board 92 and output integrated circuit board 93 that industrial control computer 9 has CPU board card 91 and is subjected to 91 controls of CPU board card also have LCD display, mouse, keyboard and display card etc.Input integrated circuit board 92 is made up of simulating signal input sample card 92-1 and digital signal input card 92-2, and output integrated circuit board 93 is exported integrated circuit board 93-2 by simulation and digital signal output card 93-1 and digital relay and formed.Simulating signal input sample card 92-1 directly links to each other with CPU board card 91 with simulation and digital signal output card 93-1, and digital signal input card 92-2 and digital relay output integrated circuit board 93-2 is connected on the integrated circuit board interface of simulation and digital signal output card 93-1 and is controlled by CPU board card 91 by simulation and digital signal output card 93-1.

Still see Fig. 2, simulating signal input sample card 92-1 is that model is multifunctional analogue signal and the Digital Signals card of PCL812PG, has oxidation-reduction potential signal input port 92-1-1, pH value signal input port 92-1-2, overflow dyeing machine rate signal input port 92-1-3 and sodium hydrosulfite and manually adds conditioning signal input port 92-1-4.Circuit arrangement also has first current-to-voltage converting circuit 921, second current-to-voltage converting circuit 922 and sodium hydrosulfite and adds regulating circuit 923.First current-to-voltage converting circuit 921 and second current-to-voltage converting circuit 922 all have the input end that can receive 4～20mA current signal; The voltage signal output end of first current-to-voltage converting circuit 921 meets the oxidation-reduction potential signal input port 92-1-1 of simulating signal input sample card 92-1; The voltage signal output end of second current-to-voltage converting circuit 922 meets the pH value signal input port 92-1-2 of simulating signal input sample card 92-1.The overflow dyeing machine rate signal input port 92-1-3 of simulating signal input sample card 92-1 links to each other with the motor speed signal of the frequency converter of overflow dyeing machine master motor.Sodium hydrosulfite adds regulating circuit 923 and is composed in series by a resistance and a potentiometer, and the adjustable end of potentiometer is the output terminal that sodium hydrosulfite adds regulating circuit 923; The other end that sodium hydrosulfite adds the resistance of regulating circuit 923 links to each other with the port that the 12V power supply is provided of simulating signal input sample card 92-1, the adjustable termination simulating signal input sample card 92-1 sodium hydrosulfite of potentiometer manually adds conditioning signal input port 92-1-4, and the other end of potentiometer links to each other with the 0V port of simulating signal input sample card 92-1.

Still see Fig. 2, digital signal input card 92-2 is that model is the photoelectricity isolation input integrated circuit board of PCLD-782, has system start-up/stop signal input port 92-2-1, sodium hydrosulfite automatic/hand interpolation signal input port 92-2-2, ann reset signal input port 92-2-3, the first frequency converter abnormal signal input port 92-2-4, the second frequency converter abnormal signal input port 92-2-5, the 3rd frequency converter abnormal signal input port 92-2-6, dye liquor ebullator working signal input port 92-2-7.Circuit arrangement also has system start-up/stop switch 924, the sodium hydrosulfite automatic/hand adds switch 925, ann reset switch 926 and dye liquor ebullator operate as normal relay.System start-up/stop system start-up/stop signal input port 92-2-1 of the output termination digital signal input card 92-2 of switch 924, the sodium hydrosulfite automatic/hand that the sodium hydrosulfite automatic/hand adds the output termination digital signal input card 92-2 of switch 925 adds signal input port 92-2-2, the ann reset signal input port 92-2-3 of the output termination digital signal input card 92-2 of ann reset switch 926, the power end of the normally open contact of dye liquor ebullator operate as normal relay links to each other with the 24V power supply, and the output terminal of normally open contact is electrically connected with the dye liquor ebullator working signal input port 92-2-7 of digital signal input card 92-2.

Still see Fig. 2, simulation and digital signal output card 93-1 are that model is multifunctional analogue signal and the digital signal output control card of PCL726, have the sodium hydrosulfite adding set and regulate control signal output ends mouth 93-1-1 and dye liquor supplementary device adjusting control signal output ends mouth 93-1-2; Output voltage signal when the sodium hydrosulfite adding set is regulated control signal output ends mouth 93-1-1 use, dye liquor supplementary device are regulated control signal output ends mouth 93-1-2 output current signal in use.

See Fig. 3, digital relay output integrated circuit board 93-2 is that model is the digital relay output integrated circuit board of PCLD-785, has dye liquor sampling pump control signal output ends mouth K10, caustic soda supplementary device control signal output ends mouth K11, sodium hydrosulfite adding set start and stop control signal output ends mouth K12, alarm control signal output port K13, dye liquor reductive agent on-line measuring device control signal output ends mouth and dye liquor pH value on-line measuring device control signal output ends mouth; Dye liquor reductive agent on-line measuring device control signal output ends mouth has the first dye liquor inlet valve control signal output ends K0, first dye liquor returns liquid valve control signal output terminal K1, the first sewage blow-down valve control signal output ends K2, the first rinse water inlet valve control signal output ends K3, titration ebullator control signal output ends K4, breather valve control signal output ends K5, alkali condition auxiliary agent volume pump control signal output ends K6, oxygenant volume pump control signal output ends K7; Dye liquor pH value on-line measuring device control signal output ends mouth has the second dye liquor inlet valve and second dye liquor returns liquid valve control signal output terminal K8, the second rinse water inlet valve and the second sewage blow-down valve control signal output ends K9; Circuit arrangement also has hummer B and hummer pilot relay KA13.The alarm control signal output port K13 of digital relay output integrated circuit board 93-2 connects the input end of the coil of hummer pilot relay KA13, the contact of hummer pilot relay KA13 be arranged between power supply and the ground wire after hummer B connects.

See Fig. 1 to Fig. 3, material interpolation container 1 is the dye liquor circulating box, and dye liquor circulating box 1 has sodium hydrosulfite interpolation mouth, the vatting dye liquor adds mouth, soda bath interpolation mouth, dye liquor delivery outlet and dye liquor liquid return hole.

Dye liquor supplementary device 2 has dyestuff constant current case 21 and the vatting dye liquor is supplied with volume pump 22, and dyestuff constant current case 21 is constant current casees of being controlled liquid level by ball float automatically.Dyestuff constant current case 21 is supplied with volume pump 22 by the vatting dye liquor and is linked to each other with dye liquor circulating box 1 in the dye liquor closed circuit, also is that the vatting dye liquor is supplied with volume pump 22 liquid outlets and added mouth with the vatting dye liquor of dye liquor circulating box 1 and link to each other.The dye liquor supplementary device of the simulation of industrial control computer 9 and digital signal output card 93-1 is regulated control signal output ends mouth 93-1-2 and is electrically connected with the control end that the vatting dye liquor is supplied with volume pump 22.

Caustic soda supplementary device 3 has caustic soda and replenishes case 31 and caustic soda interpolation valve 32.It is constant current casees of being controlled liquid level by ball float automatically that caustic soda replenishes case 31.It is the combination valves that combined mutually by solenoid valve and the pneumatic cut-off valve that is controlled by this solenoid valve that caustic soda adds valve 32, and the control end that caustic soda adds the solenoid valve of valve 32 is the control end that caustic soda adds valve 32.Caustic soda replenishes case 31 and links to each other with dye liquor circulating box 1 by caustic soda interpolation valve 32, also is that the liquid outlet of the pneumatic cut-off valve of caustic soda interpolation valve 32 links to each other with the soda bath interpolation mouth of dye liquor circulating box 1.The caustic soda supplementary device control signal output ends mouth K11 of the digital relay output integrated circuit board 93-2 of industrial control computer 9 is electrically connected with the control end that caustic soda adds the solenoid valve of valve 32.

Sodium hydrosulfite adding set 4 has hopper 41, spiral propeller 42 and second frequency converter, and spiral propeller 42 has screw propulsion portion and drive motor.Drive motor is controlled by frequency converter, and provides power for screw propulsion portion.Second frequency converter of sodium hydrosulfite adding set 4 has start-up control end, frequency signal input end and abnormal signal output terminal.Spiral propeller 42 is positioned at hopper 41 belows, and the material outlet of spiral propeller 42 is positioned at the top of the sodium hydrosulfite interpolation mouth of dye liquor circulating box 1.The sodium hydrosulfite adding set of the simulation of industrial control computer 9 and digital signal output card 93-1 is regulated control signal output ends mouth 93-1-1 and is electrically connected with the frequency signal input end of second frequency converter of sodium hydrosulfite adding set 4; The sodium hydrosulfite adding set start and stop control signal output ends mouth K12 of digital relay output integrated circuit board 93-2 is electrically connected with the start-up control end of second frequency converter of sodium hydrosulfite adding set 4; The abnormal signal output terminal of second frequency converter of sodium hydrosulfite adding set 4 is electrically connected with the second frequency converter abnormal signal input port 92-2-5 of digital signal input card 92-2.

Dye liquor ebullator 71 has dye liquor suction inlet and dye liquid pump outlet, the coil of the overflow dyeing machine dye liquor ebullator operate as normal relay of circuit arrangement is arranged on the feed circuit of dye liquor ebullator 71, thereby can send the signal whether dye liquor ebullator 71 works to the dye liquor ebullator working signal input port 92-2-7 of digital signal input card 92-2 by its normally open contact.

Staining bath 7 has thief hatch 7-1, the first liquid return hole 7-2, the second liquid return hole 7-3, dye liquor inflow entrance 7-4 and dye liquor flow export 7-5; Whole overflow dyeing machine also has other 5 staining baths except that staining bath 7, these 5 other staining baths all have dye liquor inflow entrance and dye liquor flow export, but does not have thief hatch 7-1, the first liquid return hole 7-2 and the second liquid return hole 7-3.The dye liquor inflow entrance of these 6 staining baths and dye liquor flow export place are equipped with manual valve (not drawing among the figure), each dye liquor flow export that dye liquor adds pipe 72 links to each other with the inlet of the manual valve at the dye liquor inflow entrance place of corresponding staining bath, the liquid outlet of the manual valve at the dye liquor flow export place of each staining bath links to each other with each corresponding inlet of dye liquor recirculatory pipe 73, the liquid outlet of dye liquor recirculatory pipe 73 links to each other with the dye liquor liquid return hole of dye liquor circulating box 1, the dye liquor delivery outlet of dye liquor circulating box 1 links to each other with the dye liquor suction inlet of dye liquor ebullator 71 with dye liquor tail pipe 74 by valve (not drawing among the figure), the dye liquid pump outlet of dye liquor ebullator 71 links to each other with the dye liquor inlet that dye liquor adds pipe 72, thereby makes each staining bath, dye liquor circulating box 1, dye liquor ebullator 71 and corresponding pipeline, valve constitutes overflow dyeing machine dye liquor closed circuit.

Dye liquor sampling propulsion system have dye liquor sampling pump 8 and the 3rd frequency converter, and dye liquor sampling pump 8 has pump main body and drive motor.The pump main body has dye liquor suction inlet and dye liquid pump outlet, and drive motor is controlled by frequency converter and for the pump main body provides power, the 3rd frequency converter of dye liquor sampling propulsion system has start-up control end and abnormal signal output terminal.The dye liquor sampling pump control signal output ends mouth K10 of the digital relay output integrated circuit board 93-2 of industrial control computer 9 is electrically connected with the start-up control end of the 3rd frequency converter of dye liquor sampling propulsion system, and the abnormal signal output terminal of the 3rd frequency converter of dye liquor sampling propulsion system is electrically connected with the 3rd frequency converter abnormal signal input port 92-2-6 of digital signal input card 92-2.

Staining bath 7 is linked to each other with the dye liquor suction inlet of pipeline with the pump main body of dye liquor sampling pump 8 by valve (not drawing among the figure) by its thief hatch 7-1, the dye liquid pump outlet of the pump main body of dye liquor sampling pump 8 links to each other with the dye liquor input port of dye liquor reductive agent on-line measuring device 5 and dye liquor pH value on-line measuring device 6 respectively by pipeline, the dye liquor liquid outlet of dye liquor reductive agent on-line measuring device 5 links to each other with the first liquid return hole 7-2 of staining bath 7 by pipeline, and the dye liquor liquid outlet of dye liquor pH value on-line measuring device 6 links to each other with the second liquid return hole 7-3 of staining bath 7 by pipeline.The dye liquor oxidation-reduction potential signal output part of dye liquor reductive agent on-line measuring device 5 is the port with current forms output potential signal, this port links to each other with the current signal input end of first current-to-voltage converting circuit 921 of circuit arrangement, thereby the dye liquor oxidation-reduction potential signal output part that makes dye liquor reductive agent on-line measuring device 5 indirectly is electrically connected with the oxidation-reduction potential signal input port 92-1-1 of the simulating signal input sample card 92-1 of industrial control computer 9; Each output terminal of the dye liquor reductive agent on-line measuring device control signal output ends mouth of industrial control computer 9 is electrically connected with the control port of the corresponding component of dye liquor reductive agent on-line measuring device 5.The dye liquor pH value signal output part of dye liquor pH value on-line measuring device 6 is the port with current forms output potential signal, this port links to each other with the current signal input end of second current-to-voltage converting circuit 922 of circuit arrangement, thereby the dye liquor pH value signal output part that makes dye liquor pH value on-line measuring device 6 indirectly is electrically connected with the pH value signal input port 92-1-2 of the simulating signal input sample card 92-1 of industrial control computer 9; Each output terminal of the dye liquor pH value on-line measuring device control signal output ends mouth of industrial control computer 9 is electrically connected with the control port of the corresponding component of dye liquor pH value on-line measuring device 6.

See Fig. 2 to Fig. 4, the dye liquor reductive agent on-line measuring device 5 in the native system has water for cleaning inlet 5-1, air intake 5-2, outfall 5-3, oxidation-reduction potential instrument 50, buret 51, potential-measuring electrode 51-1, temperature measurement electrode 51-2, alkali condition auxiliary agent Dropping feeder 52, oxygenant Dropping feeder 53, the first dye liquor inlet valve 54, mouth piece pipe 55-1, pump discharge pipe 55-2, bottom tube 55-3, vertical tube 55-4, titration ebullator 56, first sewage blow-down valve 57, the first rinse water inlet valve 58, dye liquor current observation pipe 59-1, breather valve 59-2, first dye liquor returns the liquid valve 59-3 and first frequency converter.The first dye liquor inlet valve 54, first dye liquor return liquid valve 59-3, first sewage blow-down valve 57, the first rinse water inlet valve 58, breather valve 59-2 all for by solenoid valve be controlled by the combination valve that the pneumatic cut-off valve of this solenoid valve combines mutually.The first dye liquor inlet valve control signal output ends K0 of the dye liquor reductive agent on-line measuring device control signal output ends mouth of the digital relay output integrated circuit board 93-2 of industrial control computer 9 is electrically connected with the control end of the solenoid valve of the first dye liquor inlet valve 54, first dye liquor returns liquid valve control signal output terminal K1 and is electrically connected with the control end that first dye liquor returns the solenoid valve of liquid valve 59-3, the first sewage blow-down valve control signal output ends K2 is electrically connected with the control end of the solenoid valve of first sewage blow-down valve 57, the first rinse water inlet valve control signal output ends K3 is electrically connected with the control end of the solenoid valve of the first rinse water inlet valve 58, and breather valve control signal output ends K5 is electrically connected with the control end of the 59-2 solenoid valve of breather valve.

Oxidation-reduction potential instrument 50, potential-measuring electrode 51-1, temperature measurement electrode 51-2 are outsourcing, oxidation-reduction potential instrument 50 is that model is the PH/ORP instrument of SUPCON SPH3130, potential-measuring electrode 51-1 is that model is the oxidation-reduction electrode of TOLEDO XEROLYT, and temperature measurement electrode 51-2 is that model is the temp probe of STL 122 PT1000.Oxidation-reduction potential instrument 50 has oxidation-reduction potential signal input part, temperature signal input end and oxidation-reduction potential signal output part; The signal output part of potential-measuring electrode 51-1 is electrically connected with the oxidation-reduction potential signal input part of oxidation-reduction potential instrument 50, the signal output part of temperature measurement electrode 51-2 is electrically connected with the temperature signal input end of oxidation-reduction potential instrument 50, when the oxidation-reduction potential signal output part of oxidation-reduction potential instrument 50 is to use exportable through temperature correction, represent the port of oxidation-reduction potential signal with the DC current size, this output terminal is the dye liquor oxidation-reduction potential signal output part of dye liquor reductive agent on-line measuring device 5.

Buret 51 is transparent hollow sealing containers, has the electrode connector and the dye liquor outlet that are positioned at the top, also has the dye liquor import that is positioned at the bottom.

Titration ebullator 56 has pump main body and drive motor, the pump main body has dye liquor suction inlet and dye liquid pump outlet, drive motor is controlled by frequency converter and for the pump main body provides power, first frequency converter of dye liquor reductive agent on-line measuring device has start-up control end and abnormal signal output terminal.The titration ebullator control signal output ends K4 of the dye liquor reductive agent on-line measuring device control signal output ends mouth of the digital relay output integrated circuit board 93-2 of industrial control computer 9 is electrically connected with the start-up control end of first frequency converter of dye liquor reductive agent on-line measuring device, and the first frequency converter abnormal signal input port 92-2-4 of the digital signal input card 92-2 of industrial control computer 9 is electrically connected with the abnormal signal output terminal of first frequency converter of dye liquor reductive agent on-line measuring device.

Alkali condition auxiliary agent Dropping feeder 52 has alkali condition auxiliary agent storage barrel 52-1, bottom valve 52-2, alkali condition auxiliary agent volume pump 52-3, counterbalance valve 52-4 and one way stop peturn valve 52-5; Bottom valve 52-2 is arranged in alkali condition auxiliary agent storage barrel 52-1, the liquid outlet of bottom valve 52-2 links to each other by the suction inlet of connecting pipe with alkali condition auxiliary agent volume pump 52-3, the liquid outlet of alkali condition auxiliary agent volume pump 52-3 links to each other with the inlet of counterbalance valve 52-4, the liquid outlet of counterbalance valve 52-4 links to each other with one way stop peturn valve 52-5 inlet, and the liquid outlet of one way stop peturn valve 52-5 is the liquid outlet of alkali condition auxiliary agent Dropping feeder 52.The alkali condition auxiliary agent volume pump control signal output ends K6 of the dye liquor reductive agent on-line measuring device control signal output ends mouth of the digital relay output integrated circuit board 93-2 of industrial control computer 9 is electrically connected with the control end of alkali condition auxiliary agent volume pump 52-3.

Oxygenant Dropping feeder 53 has oxygenant storage barrel 53-1, bottom valve 53-2, oxygenant volume pump 53-3, counterbalance valve 53-4 and one way stop peturn valve 53-5; Bottom valve 53-2 is arranged in oxygenant storage barrel 53-1, the liquid outlet of bottom valve 53-2 links to each other by the suction inlet of connecting pipe with oxygenant volume pump 53-3, the liquid outlet of oxygenant volume pump 53-3 links to each other with the inlet of counterbalance valve 53-4, the liquid outlet of counterbalance valve 53-4 links to each other with one way stop peturn valve 53-5 inlet, and the liquid outlet of one way stop peturn valve 53-5 is the liquid outlet of oxygenant Dropping feeder 53.The oxygenant volume pump control signal output ends K7 of the dye liquor reductive agent on-line measuring device control signal output ends mouth of the digital relay output integrated circuit board 93-2 of industrial control computer 9 is electrically connected with the control end of oxygenant volume pump 53-3.

Potential-measuring electrode 51-1 is fixed on the electrode connector place at buret 51 tops, and the probe segment of potential-measuring electrode 51-1 is positioned at the cavity of buret 51; The probe segment of temperature measurement electrode 51-2 is arranged in the vertical tube 55-4 of dye liquor circulation line; The suction inlet of titration ebullator 56 links to each other with the left port of mouth piece pipe 55-1, the pump discharge of titration ebullator 56 links to each other with pump discharge pipe 55-2, pump discharge pipe 55-2 is stretched in the buret 51 by the dye liquor import of buret 51 bottoms, and its mouth of pipe is positioned at the tube wall of the opening of the middle part of buret 51 and the mouth of pipe towards buret 51; The upper port of bottom tube 55-3 links to each other with the dye liquor import of buret 51 bottoms and a part of pipeline section at the upper port place of bottom tube 55-3 is enclosed within outside the pump discharge pipe 55-2, and pump discharge pipe 55-2 passes the mutual airtight connection of bottom tube 55-3 part; The left port of bottom tube 55-3 links to each other with the output port of alkali condition auxiliary agent Dropping feeder 52, and the right output port of bottom tube 55-3 links to each other with the output port of oxygenant Dropping feeder 53, and the lower port of bottom tube 55-3 links to each other with the upper port of vertical tube 55-4; The middle upper port of vertical tube 55-4 links to each other with the inlet of first sewage blow-down valve 57, and the middle lower port of vertical tube 55-4 links to each other with the right output port of mouth piece pipe 55-1, and the lower port of vertical tube 55-4 links to each other with the liquid outlet of the first dye liquor inlet valve 54; The lower port of mouth piece pipe 55-1 links to each other with the liquid outlet of the first rinse water inlet valve 58; The inlet of the first rinse water inlet valve 58 links to each other with water for cleaning pipe 58-1, and the inlet of water for cleaning pipe 58-1 is water for cleaning inlet 5-1; The liquid outlet of first sewage blow-down valve 57 links to each other with outfall 5-3 with air intake 5-2 simultaneously; The dye liquor outlet at buret 51 tops links to each other with air intake 5-2 by breather valve 59-2, the outlet of the dye liquor at buret 51 tops also links to each other with the inlet that first dye liquor returns liquid valve 59-3 simultaneously, and the liquid outlet that first dye liquor returns liquid valve 59-3 is the dye liquor delivery outlet of dye liquor reductive agent on-line measuring device 5; The inlet of the first dye liquor inlet valve 54 is the dye liquor input port of dye liquor reductive agent on-line measuring device 5.Titration ebullator 56, pump discharge pipe 55-2, buret 51, bottom tube 55-3, vertical tube 55-4 and mouth piece pipe 55-1 form the dye liquor closed circuit of dye liquor reductive agent on-line measuring device 5.Dye liquor current observation pipe 59-1 is arranged on the dye liquor outlet at buret 51 tops and returns between the input end of liquid valve 59-3 with breather valve 59-2 and dye liquor, and dye liquor current observation pipe 59-1 is by the setting of slight inclination direction, and its endpiece is a little less than entrance point.

Still see Fig. 2 to Fig. 4, the dye liquor pH value on-line measuring device 6 in the native system has water for cleaning inlet 6-1, outfall 6-2, pH meter 61, pH value potential electrode 62, temperature measurement electrode 63, the second dye liquor inlet valve 64, second dye liquor returns liquid valve 65, the second rinse water inlet valve 66, water for cleaning pipe 66-1, second sewage blow-down valve 67, bilge discharge pipe 67-1 and dye liquor circulation pipe 68.The second dye liquor inlet valve 64, second dye liquor return liquid valve 65, the second rinse water inlet valve 66, second sewage blow-down valve 67 all for by solenoid valve be controlled by the combination valve that the pneumatic cut-off valve of this solenoid valve combines mutually.The second dye liquor inlet valve of the dye liquor pH value on-line measuring device control signal output ends mouth of the digital relay of industrial control computer 9 output integrated circuit board 93-2 and second dye liquor return liquid valve control signal output terminal K8 and are electrically connected with the control end of the solenoid valve of the second dye liquor inlet valve 64 and the control end that second dye liquor returns the solenoid valve of liquid valve 65 simultaneously; The second rinse water inlet valve of the dye liquor pH value on-line measuring device control signal output ends mouth of the digital relay of industrial control computer 9 output integrated circuit board 93-2 and the second sewage blow-down valve control signal output ends K9 are electrically connected with the control end of the solenoid valve of the control end of the solenoid valve of the second rinse water inlet valve 66 and second sewage blow-down valve 67 simultaneously.

PH meter 61, pH value potential electrode 62, temperature measurement electrode 63 are outsourcing, pH meter 61 is that model is the PH/ORP instrument of SUPCON SPH3130, pH value potential electrode 62 is that model is the PH electrode of TOLEDO XEROLYT, and temperature measurement electrode 63 is that model is the temp probe of STT122 PT1000.PH meter has pH value signal input end, temperature signal input end and pH value signal output terminal; The signal output part of pH value potential electrode 62 is electrically connected with the pH value signal input end of pH meter 61, the signal output part of temperature measurement electrode 63 is electrically connected with the temperature signal input end of pH meter 61, when the pH value signal output terminal of pH meter 61 is to use exportable through temperature correction, represent the port of pH value electric potential signal with the DC current size, this output terminal is the dye liquor pH value signal output part of dye liquor pH value on-line measuring device 6.

The inlet of the second dye liquor inlet valve 64 is the dye liquor input port of dye liquor pH value on-line measuring device 6, the liquid outlet of the second dye liquor inlet valve 64 links to each other with the dye liquor inlet of dye liquor circulation pipe 68, the outlet of dye liquor circulation pipe 68 dye liquors is returned liquid valve 65 inlets with second dye liquor and is linked to each other, and second dye liquor returns the dye liquor delivery outlet that liquid valve 65 liquid outlets are dye liquor pH value on-line measuring device 6; Dye liquor circulation pipe 68 also is provided with the Butterworth Hatch of the close second dye liquor inlet valve 64 and returns the escape hole of liquid valve 65 near second dye liquor, the end of water for cleaning pipe 66-1 is the water for cleaning inlet 6-1 of dye liquor pH value on-line measuring device 6, the other end of water for cleaning pipe 66-1 links to each other with the inlet of the second rinse water inlet valve 66, and the liquid outlet of the second rinse water inlet valve 66 links to each other with the Butterworth Hatch of dye liquor circulation pipe 68; Dye liquor circulation pipe 68 escape holes link to each other with the inlet of second sewage blow-down valve 67, the liquid outlet of second sewage blow-down valve 67 links to each other with the end of bilge discharge pipe 67-1, and the other end of bilge discharge pipe 67-1 is the outfall 6-2 of dye liquor pH value on-line measuring device 6; PH value potential electrode 62 and temperature measurement electrode 63 be arranged on dye liquor circulation pipe 68 on the pipeline section between the second rinse water inlet valve 66 and second sewage blow-down valve 67, and their probe stretches in the dye liquor circulation pipe 68.

See Fig. 1 to Fig. 5, the system of present embodiment is used for the sizing-dyeing combination machine as overflow dyeing machine, when system of the present utility model uses, thing to be dyed is that a umber (also being radical) is 4320 cotton yarn on the overflow dyeing machine, the km of its every cotton yarn heavily is 83.3 grams, dyestuff in the dye liquor is the reducing dye indigo, and reductive agent is a sodium hydrosulfite, and alkaline agent is a soda bath.Indigo vatting concentration in the dye liquor of dyestuff constant current case 21 is every liter 82 gram, and vatting sodium hydrosulfite concentration is every liter 56 gram, and vatting caustic soda concentration is every liter 10 to 20 gram; The concentration that caustic soda replenishes the soda bath in the case 31 is every liter 200 gram; When carrying out redox titration, the oxygenant that is adopted is the iron blood salt potassium ferricyanide, and its solution concentration is 0.05 mole every liter, and the alkali condition auxiliary agent is that concentration is that the sodium hydroxide solution and the concentration of every liter 4 gram is the mixed liquor of anionic dispersing agents of every liter 1 gram; Present embodiment is that the dye liquor in overflow dyeing machine satisfies substantially through pre-circulation and various component under the situation of printing and dyeing condition and carries out, and the utility model mainly has following steps in use:

1. industrial control computer 9 is imported the technological parameter of dyeing and the time interval of automatic titration by its input media keyboard and mouse, and the technological parameter of dyeing comprises the heavy and umber (both multiply each other promptly to get and wait that the km that dyes thing weighs) of km of every cotton yarn of required dyeing, dye-uptake, the concentration of the concentration of dyestuff and sodium hydrosulfite in the vatting dye liquor, the staining bath number, the sodium hydrosulfite concentration in the staining bath dye liquor and the pH value of staining bath dye liquor, wait to dye the sodium hydrosulfite consumption of thing corresponding to unit weight, add the maximal value of sodium hydrosulfite in unit interval, dye liquor volume in the overflow dyeing machine dye liquor closed circuit; Automatically the time interval of titration can be set to 30 minutes, when carrying out the setting of dyeing related parameter, the km of yarn is reset to 83.3 grams, a umber is made as 4320, dye-uptake is made as 2.08%, the concentration of dyestuff in the vatting dye liquor is made as every liter 82 gram, the concentration of sodium hydrosulfite in the vatting is made as every liter 56 gram, the staining bath number is made as 6, sodium hydrosulfite concentration in the staining bath dye liquor is made as every liter 0.8 gram, the pH value of staining bath dye liquor is made as 11.2, and the maximal value that per minute is added sodium hydrosulfite by sodium hydrosulfite adding set 4 is made as 400 grams.

2. industrial control computer 9 is read in the motor speed signal of the main motor of overflow dyeing machine by the overflow dyeing machine rate signal input port 92-1-3 of its simulating signal input sample card 92-1, and according to waiting that the km that dyes thing weighs, dye-uptake, the speed of a motor vehicle of the concentration of dyestuff and overflow dyeing machine in the vatting dye liquor and calculate the addition of vatting dye liquor per minute, thus control by the flow that current controling signal to the vatting dye liquor that the dye liquor supplementary device of the simulation of industrial control computer 9 and digital signal output card 93-1 is regulated control signal output ends mouth 93-1-2 output 4～20mA is supplied with volume pump 22 and at any time the vatting dye liquor supplied with volume pump 22; The speed of a motor vehicle of simultaneously heavy, overflow dyeing machine, staining bath number and wait to dye the sodium hydrosulfite consumption of thing corresponding to unit weight according to the km of waiting to dye thing, and calculate the real-time consumption of sodium hydrosulfite; According to the concentration and the vatting dye liquor per minute addition of sodium hydrosulfite in the vatting dye liquor, calculate the real-time feed amount of the sodium hydrosulfite in the vatting dye liquor; Real-time feed amount and the real-time consumption calculating of sodium hydrosulfite according to the sodium hydrosulfite in the vatting dye liquor go out both differences.

3. industrial control computer 9 outputs control signals to dye liquor sampling pump 8 by the dye liquor sampling pump control signal output ends mouth K10 of its digital relay output integrated circuit board 93-2 and dye liquor sampling pump 8 is started and extracts dye liquor in the staining bath 7, industrial control computer 9 is exported the corresponding parts of control signal corresponding to dye liquor reductive agent on-line measuring device 5 by the dye liquor reductive agent on-line measuring device control signal output ends mouth of its digital relay output integrated circuit board 93-2 simultaneously, and dye liquor is circulated between dye liquor reductive agent on-line measuring device 5 and staining bath 7, industrial control computer 9 is also exported the corresponding parts of control signal corresponding to dye liquor pH value on-line measuring device 6 by the dye liquor pH value on-line measuring device control signal output ends mouth of its digital relay output integrated circuit board 93-2, and dye liquor is circulated between dye liquor pH value on-line measuring device 6 and staining bath 7.

When industrial control computer 9 control dye liquor sampling pumps 8 start, return liquid valve control signal output terminal K1 output control signal at the first dye liquor inlet valve control signal output ends K0 of the dye liquor reductive agent on-line measuring device control signal output ends mouth of its digital relay output integrated circuit board 93-2 and first dye liquor and make the first dye liquor inlet valve 54 and first dye liquor return liquid valve 59-3 to open simultaneously; Like this, dye liquor is circulated: between dye liquor reductive agent on-line measuring device 5 and staining bath 7 promptly under the effect of dye liquor sampling pump 8, make the dye liquor in the staining bath 7 flow out staining bath 7 from thief hatch 7-1, return liquid valve 59-3 through dye liquor sampling pump 8, the first dye liquor inlet valve 54, vertical tube 55-4, bottom tube 55-3, buret 51, first dye liquor successively then, the first liquid return hole 7-2 through staining bath 7 returns staining bath 7 again.

When industrial control computer 9 control dye liquor sampling pumps 8 start, return liquid valve control signal output terminal K8 output control signal at the second dye liquor inlet valve of the dye liquor pH value on-line measuring device control signal output ends mouth of its digital relay output integrated circuit board 93-2 and second dye liquor and make the second dye liquor inlet valve 64 and second dye liquor return liquid valve 65 to open simultaneously; Like this, dye liquor is circulated: between dye liquor pH value on-line measuring device 6 and staining bath 7 promptly under the effect of dye liquor sampling pump 8, make the dye liquor in the staining bath 7 flow out staining bath 7 from thief hatch 7-1, return liquid valve 65 through dye liquor sampling pump 8, the second dye liquor inlet valve 64, dye liquor circulation pipe 68, second dye liquor successively then, the second liquid return hole 7-1 through staining bath 7 returns staining bath 7 again.

When overflow dyeing machine is in normal operating conditions, the reductant concentration of 5 pairs of dye liquors of industrial control computer 9 control dye liquor reductive agent on-line measuring devices carries out online detection and the dye strength of dye liquor is carried out online detection, the electric potential signal that the oxidation-reduction potential instrument 50 of one side dye liquor reductive agent on-line measuring device 5 obtains on-line measurement all the time is delivered to industrial control computer 9, oxidation-reduction potential instrument 50 is in the time interval of industrial control computer 9 output detection signals generally can be arranged on 100 milliseconds to 500 milliseconds scope, and the time interval of this example is 300 milliseconds; 9 oxidation-reduction potential signal input port 92-1-1 by its its simulating signal input sample card 92-1 of industrial control computer receive the electric signal of the reflection dye liquor current potential that dye liquor reductive agent on-line measuring device 5 records all the time; On the other hand under the control of industrial control computer 9, every the time interval (30 minutes) of one section automatic titration that sets, after making the dye liquor sample in the dye liquor reductive agent on-line measuring device 5 online acquisition staining baths 7 earlier, concentration and the dye strength of controlling sodium hydrosulfite in 5 pairs of dye liquors of dye liquor reductive agent on-line measuring device again carry out the once oxidation reductometry; In the titration, when the addition of the oxygenant under industrial control computer 9 control makes sodium hydrosulfite in the dye liquor of the certain volume in the dye liquor reductive agent on-line measuring device 5 be finished by total overall reaction, then the signal of the dye liquor reductive agent on-line measuring device 5 reflection dye liquor current potential that records and export produces promutation, and the concentration of 9 consumptions according to oxygenant of industrial control computer, oxygenant and the volumescope of dye liquor sample are calculated the concentration of the sodium hydrosulfite in the dye liquor; In titration, further adding along with the oxygenant under industrial control computer 9 controls, dyestuff in the dye liquor of the certain volume in making dye liquor reductive agent on-line measuring device 5 is during by whole oxidations, then the signal of the dye liquor reductive agent on-line measuring device 5 reflection dye liquor current potential that records and export produces telomutation, and 9 of industrial control computers calculate the concentration of leuco dye in the dye liquor according to the use amounts of the oxygenant between twice sudden change electric signal.

When carrying out redox titration by the concentration of sodium hydrosulfite in 5 pairs of dye liquors of industrial control computer 9 control dye liquor reductive agent on-line measuring devices and dye strength, under the control of industrial control computer 9, the corresponding signal output terminal of being exported the dye liquor reductive agent on-line measuring device control signal output ends mouth of integrated circuit board 93-2 by its digital relay outputs control signals to relevant parts, wherein output control signals to first frequency converter of dye liquor reductive agent on-line measuring device by titration ebullator control signal output ends K4, output control signals to the solenoid valve of the first dye liquor inlet valve 54 by the first dye liquor inlet valve control signal output ends K0, return liquid valve control signal output terminal K1 by first dye liquor and output control signals to the solenoid valve that first dye liquor returns liquid valve 59-3, output control signals to the solenoid valve of breather valve 59-2 by breather valve control signal output ends K5, output control signals to the solenoid valve of first sewage blow-down valve 57 by the first sewage blow-down valve control signal output ends K2, output control signals to the control end of the alkali condition auxiliary agent volume pump 52-3 of alkali condition auxiliary agent Dropping feeder 52 by alkali condition auxiliary agent volume pump control signal output ends K6, output control signals to the control end of the oxygenant volume pump 53-3 of oxygenant Dropping feeder 53 by oxygenant volume pump control signal output ends K7; Thereby start titration ebullator 56, make in all pipelines of dye liquor reductive agent on-line measuring device 5 and be full of new dye liquor to be measured, close titration ebullator 56, the first dye liquor inlet valve 54 and first dye liquor then and return liquid valve 59-3, open breather valve 59-2, first sewage blow-down valve 57, unnecessary dye liquor to be measured in the dye liquor reductive agent on-line measuring device 5 is slowly discharged, only stay first sewage blow-down valve below 57, the first dye liquor inlet valve, 54 pipelines are above and titration ebullator 56 pump housings in dye liquor be used for titration; Close first sewage blow-down valve 57 and breather valve 59-2, open first dye liquor and return liquid valve 59-3, the alkali condition auxiliary agent volume pump 52-3 of control alkali condition auxiliary agent Dropping feeder 52 adds in the buret 51 by extracting the alkali condition auxiliary agent among the alkali condition auxiliary agent storage barrel 52-1 out, and the probe segment of potential-measuring electrode 51-1 is immersed in the liquid; Alkali condition auxiliary agent volume pump 52-3 is shut down, close dye liquor reverse flow valve 59-3 simultaneously, open titration ebullator 56, the alkali condition auxiliary agent is fully mixed with dye liquor to be measured; Open dye liquor reverse flow valve 59-3, the oxygenant volume pump 53-3 that controls oxygenant Dropping feeder 53 simultaneously adds in the buret 51 by extracting liquid oxidizer among the oxygenant storage barrel 53-1, finishes up to titration; Oxygenant volume pump 53-3 is shut down, open the breather valve 59-2 and first sewage blow-down valve 57 simultaneously and the waste liquid after the titration is discharged from outfall 5-3.

When carrying out redox titration by the concentration of sodium hydrosulfite in 5 pairs of dye liquors of industrial control computer 9 control dye liquor reductive agent on-line measuring devices and dye strength, under the control of industrial control computer 9, dye liquor contacts with potential-measuring electrode 51-1 on being fixed on buret 51, the output terminal of potential-measuring electrode 51-1 is then exported the voltage signal of reflection oxidation-reduction potential to oxidation-reduction potential instrument 50, simultaneously dye liquor contacts with temperature measurement electrode 51-2 on being arranged on the dye liquor circulation line and then produces temperature voltage signal just, and at its output terminal this signal is transported to oxidation-reduction potential instrument 50; The dye liquor oxidation-reduction potential signal output part of oxidation-reduction potential instrument 50 is then exported through the current signal of 4～20mA of the dye liquor current potential of the temperature correction oxidation-reduction potential signal input port 92-1-1 to the simulating signal input sample card 92-1 of industrial control computer 9.Industrial control computer 9 is then controlled dye liquor reductive agent on-line measuring device 5 is cleaned after each titration finishes.

When industrial control computer 9 cleans dye liquor reductive agent on-line measuring device 5 in control, the digital relay output integrated circuit board 93-2 of industrial control computer 9 outputs control signals to the corresponding component of dye liquor reductive agent on-line measuring device 5 except that each output terminal by its dye liquor reductive agent on-line measuring device control signal output ends mouth, is also output control signals to the solenoid valve of the first rinse water inlet valve 58 by its first rinse water inlet valve control signal output ends K3; Under the control of industrial control computer 9, the breather valve 59-2 of dye liquor reductive agent on-line measuring device 5 is in open mode, the first dye liquor inlet valve 54, first sewage blow-down valve 57, dye liquor reverse flow valve 59-3 and is in closed condition; Open the first rinse water inlet valve 58 by industrial control computer 9 control again, the clear water that enters system by water for cleaning inlet 5-1 is entered in the buret 51 until being full of buret 51 through the first rinse water inlet valve 58, mouth piece pipe 55-1, vertical tube 55-4, bottom tube 55-3 successively; This moment, the first rinse water inlet valve 58 was closed in industrial control computer 9 controls, and titration ebullator 56 is brought into operation, make the clear water that enters in the dye liquor reductive agent on-line measuring device 5 successively behind titration ebullator 56, pump discharge pipe 55-2, buret 51, bottom tube 55-3, vertical tube 55-4, mouth piece pipe 55-1, return titration ebullator 56, circularly in dye liquor reductive agent on-line measuring device 5 operation and dye liquor reductive agent on-line measuring device 5 is washed; The breather valve 59-2 and first sewage blow-down valve 57 are opened in control then, and the sewage after the cleaning is discharged from outfall 5-3; So water cleans and can repeat 1 to 3 time.

When overflow dyeing machine is in normal operating conditions, industrial control computer 9 is also controlled the pH value of 6 pairs of dye liquors of dye liquor pH value on-line measuring device and is carried out on-line determination, the electric potential signal that the pH meter 61 of one side dye liquor pH value on-line measuring device 6 obtains on-line measurement all the time is delivered to industrial control computer 9, pH meter 61 is in the time interval of industrial control computer 9 output detection signals generally can be provided with 100 milliseconds to 500 milliseconds scope, and the time interval of this example is 300 milliseconds; 9 pH value signal input port 92-1-2 by its simulating signal input sample card 92-1 of industrial control computer receive the electric signal that pH pH-value determination pH device 6 records all the time.On the other hand under the control of industrial control computer 9, the corresponding signal output terminal of being exported the dye liquor pH value on-line measuring device control signal output ends mouth of integrated circuit board 93-2 by its digital relay outputs control signals to relevant parts, wherein return liquid valve control signal output terminal K8 and output control signals to the solenoid valve of the second dye liquor inlet valve 64 and the solenoid valve of the second dye liquor reverse flow valve 65 by the second dye liquor inlet valve and second dye liquor, thereby open the second dye liquor inlet valve and second dye liquor simultaneously and return the liquid valve, and making dye liquor enter dye liquor pH value on-line measuring device 6, dye liquor enters dye liquor pH value on-line measuring device 6 back and contacts with pH value potential electrode 62 on being arranged on dye liquor circulation pipe 68.At this moment, the output terminal of pH value potential electrode 62 is then exported the voltage signal of reflection pH value to pH meter 61; Simultaneously dye liquor contacts with temperature measurement electrode 63 on being arranged on dye liquor circulation pipe 68 and then produces reflection temperature voltage signal just, and at its output terminal this signal is transported to pH meter 61; The dye liquor pH value signal output part of pH meter 61 is then exported through the current signal of 4～20mA of the dye liquor pH value of the temperature correction pH value signal input port 92-1-2 to the simulating signal input sample card 92-1 of industrial control computer 9.Industrial control computer 9 is undertaken in the online detection by 6 pairs of dye liquor pH values of dye liquor pH value on-line measuring device, then controlled every 90 minutes pH pH-value determination pH device 6 is cleaned.

When industrial control computer 9 cleans dye liquor pH value on-line measuring device 6 in control, the digital relay output integrated circuit board 93-2 of industrial control computer 9 outputs control signals to the corresponding component of dye liquor pH value on-line measuring device 6 except that each output terminal by its dye liquor pH value on-line measuring device control signal output ends mouth, also outputs control signals to the solenoid valve of the second rinse water inlet valve 66 and the solenoid valve of second sewage blow-down valve 67 by its second rinse water inlet valve and the second sewage blow-down valve control signal output ends K9; Under the control of industrial control computer 9, the second dye liquor inlet valve 64 of dye liquor pH value on-line measuring device 6, the second dye liquor reverse flow valve 65 are in closed condition, the second rinse water inlet valve 66 and second sewage blow-down valve 67 are in open mode, thereby can make the clear water that enters system by water for cleaning inlet 6-1 successively behind water for cleaning pipe 66-1, the second rinse water inlet valve 66, dye liquor circulation pipe 68, second sewage blow-down valve 67, bilge discharge pipe 67-1, and discharge from outfall 6-2; Flow through in the process of dye liquor pH value on-line measuring device 6 at clear water, also finished the cleaning to pH value potential electrode 62 and temperature measurement electrode 63, this process continues 8 seconds; Then, the second rinse water inlet valve 66 and second sewage blow-down valve 67 are closed in industrial control computer 9 controls, open the second dye liquor inlet valve 64 and dye liquor reverse flow valve 65, and dye liquor is circulated between dye liquor pH value on-line measuring device 6 and staining bath 7.

4. after the concentration of the sodium hydrosulfite in 9 pairs of dye liquors of industrial control computer is carried out online detection, when the increase and decrease amount of the quantity delivered of calculating sodium hydrosulfite, concentration according to the sodium hydrosulfite in the dye liquor that is detected, the dye liquor sodium hydrosulfite concentration that sets, dye liquor volume in the overflow dyeing machine dye liquor closed circuit, calculate the bias of sodium hydrosulfite in the dye liquor, again according to the bias of dye liquor sodium hydrosulfite, the real-time feed amount of the sodium hydrosulfite in the vatting dye liquor and the difference of the real-time consumption of sodium hydrosulfite, calculate the increase and decrease amount of sodium hydrosulfite, situation for the quantity delivered that should increase sodium hydrosulfite, regulate the frequency signal input end that control signal output ends mouth 93-1-1 outputs control signals to second frequency converter of sodium hydrosulfite adding set 4 by the sodium hydrosulfite adding set of its simulation and digital signal output card 93-1, increase the rotating speed of drive motor, thereby the unit interval that makes sodium hydrosulfite, interior interpolation value increased, but should unit interval interpolation value be not more than the maximal value of adding sodium hydrosulfite in the unit interval of setting; For the situation of the quantity delivered that should reduce sodium hydrosulfite, then reduce the rotating speed of drive motor.If industrial control computer 9 is regulated control signal output ends mouth 93-1-1 by the sodium hydrosulfite adding set of its simulation and digital signal output card 93-1 and is output control signals to the frequency signal of frequency signal input end of second frequency converter of sodium hydrosulfite adding set 4 less than 1 hertz, then the digital relay of industrial control computer 9 output integrated circuit board 93-2 then be in the off-state of not adhesive with the corresponding contact of sodium hydrosulfite adding set start and stop control signal output ends mouth K12, thereby make the digital relay output integrated circuit board 93-2 of industrial control computer 9 make second frequency converter of sodium hydrosulfite adding set 4 be in out-of-work state by its sodium hydrosulfite adding set start and stop control signal output ends mouth K12 output control signal; The frequency signal of regulating control signal output ends mouth 93-1-1 output up to simulation and the sodium hydrosulfite adding set of digital signal output card 93-1 is during greater than 1 hertz, and the digital relay output integrated circuit board 93-2 of industrial control computer 9 just makes second frequency converter of sodium hydrosulfite adding set 4 be in the state of work by its sodium hydrosulfite adding set start and stop control signal output ends mouth K12 output control signal; Again by simulation and the sodium hydrosulfite adding set of digital signal output card 93-1 regulate control signal output ends mouth 93-1-1 output control signals to sodium hydrosulfite adding set 4 second frequency converter frequency signal input end and the rotating speed of drive motor is adjusted.

The online detection that the pH value of 9 pairs of dye liquors of industrial control computer is carried out, it is a kind of online detection of instantaneity, industrial control computer 9 is controlled caustic soda supplementary device 3 according to the size of measured dye liquor pH value and is added soda bath to the dye liquor closed circuit of overflow dyeing machine: when actual measurement pH value is lower than the lower limit 11.15 (this time restriction deducts 0.05 by the pH value 11.2 that sets and obtains) of default pH value, then industrial control computer 9 caustic soda that outputs control signals to caustic soda supplementary device 3 by the caustic soda supplementary device control signal output ends mouth K11 of its digital relay output integrated circuit board 93-2 adds valve 32 and makes it to open, when actual measurement pH value was higher than the higher limit 11.18 (this higher limit deducts 0.02 by the pH value of setting 11.2 and obtains) of default pH value, then the industrial control computer 9 caustic soda supplementary device control signal output ends mouth K11 that exports integrated circuit board 93-2 by its digital relay caustic soda interpolation valve 32 that outputs control signals to caustic soda supplementary device 3 made it to cut out.

Above-mentioned steps 1. to step 4. in, if industrial control computer 9 detects overflow dyeing machine dye liquor ebullator 71 when being in out-of-work state, then industrial control computer 9 control total systems quit work.

The utility model can add switch 925 with the sodium hydrosulfite automatic/hand and be in manual point of addition, industrial control computer 9 is in receive sodium hydrosulfite to add the state of the control signal that regulating circuit 923 sends, and regulates control signal output ends mouth 93-1-1 output control signal corresponding is regulated sodium hydrosulfite to the frequency signal input end of second frequency converter of sodium hydrosulfite adding set 4 unit interval addition at the sodium hydrosulfite adding set of its simulation and digital signal output card 93-1.Before overflow dyeing machine is in cold machine driving, the vatting dye liquor is supplied with volume pump 22 and also can be placed manual control to add working method, be used to add the vatting dye liquor, can adopt manual type or allow system be in automatic control mode soda bath and sodium hydrosulfite are directly added staining bath, make dye liquor meet the requirements of pH value and sodium hydrosulfite concentration, and under the effect of dye liquor ebullator 71, dye liquor circulates in the whole dye liquor circulation system of overflow dyeing machine, along with the continuous adding of sodium hydrosulfite, vatting dye liquor and caustic soda, make dye liquor reach the required dyeing condition of dyeing gradually.

Above-mentioned steps 1. to step 4. in, when switch is rotated to stop position, industrial control computer 9 controls are carried out three cleanings to dye liquor reductive agent on-line measuring device 5, and last water for cleaning is stayed in the pipeline of dye liquor reductive agent on-line measuring device 5; Control simultaneously pH pH-value determination pH device 6 was cleaned for 10 seconds, last water for cleaning is stayed in the pipeline of pH pH-value determination pH device 6; Then, industrial control computer 9 control total systems quit work.

Above-mentioned steps 1. to step 4. in, when any one frequency converter work in first frequency converter, second frequency converter or the 3rd frequency converter produces unusual (excessive as loading, the phase failure etc.), then by the signal of the abnormal signal output terminal output frequency converter operation irregularity of corresponding frequency converter a corresponding frequency converter abnormal signal input port to the digital signal input card 92-2 of industrial control computer 9; If the first frequency converter operation irregularity of dye liquor reductive agent on-line measuring device 5 then wherein operation irregularity contact VF1 is connected and the first frequency converter abnormal signal input port 92-2-4 from the FC port output services abnormal signal of frequency converter to digital signal input card 92-2; If the second frequency converter operation irregularity of sodium hydrosulfite adding set 4 then wherein operation irregularity contact VF2 is connected and the second frequency converter abnormal signal input port 92-2-5 from the FC port output services abnormal signal of frequency converter to digital signal input card 92-2; If the 3rd frequency converter operation irregularity of dye liquor sampling propulsion system then wherein operation irregularity contact VF3 is connected and the 3rd frequency converter abnormal signal input port 92-2-6 from the FC port output services abnormal signal of frequency converter to digital signal input card 92-2.Behind the relevant frequency converter operation irregularity signal that the digital signal input card 92-2 of industrial control computer 9 receives, export the information of the frequency converter that breaks down on the one hand to display, and the contact adhesive at the alarm control signal output port K13 place of control figure relay output integrated circuit board 93-2 and that the coil of the hummer pilot relay KA13 of circuit arrangement is got is electric, and then make the contact KA13-1 adhesive of relay K A13 and hummer B is sounded the alarm; Then controlling total system on the other hand quits work.At this moment, after operating personnel hear chimes of doom, can be which frequency converter breaks down and which kind of fault takes place according to shown the learning of LCD display, carry out the discharge of fault and can take appropriate measures, simultaneously, operating personnel can the rotation circuit device ann reset switch 926 make it conducting, and to the ann reset signal input port 92-2-3 of the digital signal input card 92-2 of industrial control computer 9 output control signal, the alarm control signal output port K13 place of its digital relays output integrated circuit board of 9 of industrial control computers control 93-2 contact disconnects and makes the coil losing electricity of hummer pilot relay KA13, and then the contact KA13-1 of relay K A13 disconnected and make hummer B stop sounding.

The utility model is when having being provided with of related parameter to system, these parameters can be divided into two classes, first kind parameter is the parameter relevant with each dyeing, can be provided with in 1. in step of the present utility model, these parameters are inputed in the random access memory of industrial control computer, this class parameter relates in the foregoing description, mainly contain: a umber of cotton yarn (also being radical), every cotton yarn km is heavy, dye-uptake, vatting dye strength (concentration that refers to the contained dyestuff of dye liquor in the dyestuff constant current case), vatting sodium hydrosulfite concentration (concentration that refers to the contained sodium hydrosulfite of dye liquor in the dyestuff constant current case), the staining bath number, sodium hydrosulfite concentration in the staining bath dye liquor, the pH value of staining bath dye liquor, add the maximal value of sodium hydrosulfite etc. in unit interval.The second class parameter is the parameter relevant with corresponding overflow dyeing machine, show desired parameters and the parameter relevant with system of the present utility model, this class parameter can be provided with in 1. in step, being about to these parameters inputs in the electrically-erasable formula storer of industrial control computer, these parameters mainly contain: first, the parameter of potential of hydrogen detection and control aspect: the first is found out the corresponding relation of its output current numerical value and corresponding pH value to selected pH meter, with two groups of data input industrial control computers 9 wherein, it two is positively biased difference and negative bias differences of setting pH value, and it three is to set the time of cleaning pH value potential electrode 62 and the interval of scavenging period.The parameter of the second, relevant with sodium hydrosulfite detection and control aspect: the first is set and the minimum current numerical value of oxidation-reduction potential instrument 50 outputs and the numerical value of the corresponding oxidation-reduction potential of maximum current numerical value, it two is to set the maximum number of pulses of oxygenant volume pump 53-3 and the milliliter number of each pulse output oxygenant, and the concentration numerical value of setting oxygenant, it three is maximum number of pulses of setting alkali condition auxiliary agent volume pump 52-3, and it four is measured values of the volume of the dye liquor of institute's titration in the dye liquor reductive agent on-line measuring device 5.The 3rd, the parameter of dye well sodium hydrosulfite consumption aspect: the max speed of first overflow dyeing machine.It two is milliliter numbers that the vatting dye liquor is supplied with volume pump 22 each pulse outputting material.It three is to set sodium hydrosulfite to add coefficient, the maximum concentration of sodium hydrosulfite, the effective content of sodium hydrosulfite.It four is maximum concentrations of dyestuff in the dye liquor.

For the dye liquor volume in the overflow dyeing machine dye liquor closed circuit and these two parameters of sodium hydrosulfite consumption of waiting to dye thing corresponding to unit weight, both can set in 1. in step, also can directly set in 1. in step.This example is set in 1. in step.

Can set the dye liquor volume in the overflow dyeing machine dye liquor closed circuit in 1. in step in other application scenario; Establishing method is: set dye liquor capacity in the capacity, pipeline dye liquor capacity, dye liquor circulating box 1 of the staining bath dye liquor in the overflow dyeing machine dye liquor closed circuit successively, the capacity of staining bath dye liquor be multiply by the dye liquor capacity that the staining bath number promptly gets all staining baths, with dye liquor capacity addition successively in this numerical value and pipeline dye liquor capacity and the dye liquor circulating box 1, resulting these three numerical value sums are the dye liquor volume in the overflow dyeing machine dye liquor closed circuit again.

Other application scenario can step 1. in to waiting that corresponding to unit weight the sodium hydrosulfite consumption that dyes thing sets; Establishing method is: set every staining bath contacts sodium hydrosulfite with air unit interval consumption earlier; Set the air capacity that every staining bath per kilogram cotton yarn tape advances staining bath again, because airborne oxygen is with after sodium hydrosulfite contacts, then react with sodium hydrosulfite, together bring certain air capacity into and the thing to be dyed of constant weight is inevitable when entering staining bath, the air capacity that this is brought into and the sodium hydrosulfite of corresponding weight react, thereby can calculate the sodium hydrosulfite consumption of waiting to dye thing corresponding to unit weight; Set the amount of the sodium hydrosulfite that is comprised in the dye liquor of taking away when every staining bath per kilogram yarn leaves staining bath at last; The setting value of this three aspect is carried out obtaining after the corresponding calculated three aspects that sodium hydrosulfite consumes separately,, promptly obtain waiting to dye the sodium hydrosulfite consumption of thing corresponding to unit weight again with the consumption addition of latter two aspect of sodium hydrosulfite.Then control the sodium hydrosulfite consumption addition of three aspects more accurate.

(embodiment 2)

See Fig. 6 and Fig. 7, other and embodiment 1 with, difference is: the online detection and the control system of present embodiment are used for the ball warp overflow dyeing machine.Thereby the annexation of relevant devices and parts is compared with embodiment 1 certain variation is arranged.Wherein, the dyestuff constant current case 21 in the system links to each other with the dye liquor tail pipe 74 at dye liquor ebullator 71 suction inlet places by filtrator, vatting dye liquor supply volume pump 22 and valve successively; Material adds container 1 and adds groove for material; Material adds groove 1 and has sodium hydrosulfite interpolation mouth, soda bath interpolation mouth, dye liquor delivery outlet and dye liquor liquid return hole.The dye liquor delivery outlet that material adds groove 1 links to each other with dye liquor ebullator 71 by valve, dye liquor tail pipe 74, filter screen successively.

Staining bath 7 in the system of present embodiment has thief hatch 7-1, dye liquor inflow entrance 7-4, dye liquor flow export, and the dye liquor flow export is divided into outlet 7-5-1 and dye liquor bottom outlet 7-5-2 under the dye liquor; The first liquid return hole 7-2 and the second liquid return hole 7-3 are arranged on the dye liquor tail pipe 74.Whole overflow dyeing machine also has other 7 staining baths except that staining bath 7, these 7 other staining baths all have dye liquor inflow entrance and dye liquor flow export, but does not have thief hatch 7-1, the dye liquor flow export of each staining bath to be divided into outlet and dye liquor bottom outlet under the dye liquor again.Outlet and dye liquor bottom outlet place are equipped with manual valve under the dye liquor inflow entrance of these 8 staining baths, the dye liquor, each dye liquor flow export that dye liquor adds pipe 72 links to each other with the inlet of the manual valve at the dye liquor inflow entrance place of corresponding staining bath, the liquid outlet of the manual valve in exit links to each other with each corresponding inlet as the dye liquor recirculatory pipe 73 of balance pipe under the dye liquor of each staining bath, and the liquid outlet of dye liquor recirculatory pipe 73 links to each other with the dye liquor liquid return hole that material adds groove 1 by valve.

When system moves, dye liquor ebullator 71 is in running order all the time, and the dye liquor inflow entrance of each staining bath, dye liquor is outlet down, the valve at dye liquor bottom outlet place, material adds the valve at groove 1 liquid return hole place, the valve that material adds groove 1 dye liquor equipped at outlet port all is in opening, thereby make dye liquor mainly at each staining bath, dye liquor tail pipe 74, filter screen, dye liquor ebullator 71, dye liquor adds when circulating between the pipe 72 corresponding staining baths with each, and a part of dye liquor is at each staining bath, dye liquor liquid back pipe 73, material adds groove 1, dye liquor tail pipe 74, filter screen, dye liquor ebullator 71, circulate between the dye liquor interpolation pipe 72 corresponding staining baths with each; And the liquid level that each staining bath and material add groove 1 is in same level height substantially.In this circulating of dye liquor, caustic soda supplementary device 3 adds soda bath that groove 1 adds and sodium hydrosulfite adding set 4 to material and adds the sodium hydrosulfite that groove 1 adds to material and add pipe 72 backs and enter each corresponding staining bath through dye liquor tail pipe 74, filter screen, dye liquor ebullator 71, dye liquor successively in company with dye liquor, and is dissolved in the dye liquor in following the flowing of dye liquor.

Staining bath 7 in the system of present embodiment is linked to each other with the dye liquor suction inlet of pipeline with the pump main body of dye liquor sampling pump 8 by valve by its thief hatch 7-1, the dye liquid pump outlet of the pump main body of dye liquor sampling pump 8 links to each other with the dye liquor input port of dye liquor reductive agent on-line measuring device 5 and dye liquor pH value on-line measuring device 6 respectively by pipeline, the dye liquor liquid outlet of dye liquor reductive agent on-line measuring device 5 links to each other with the first liquid return hole 7-2 on the dye liquor tail pipe 74, and the dye liquor liquid outlet of dye liquor pH value on-line measuring device 6 links to each other with the second liquid return hole 7-3 on the dye liquor tail pipe 74.

Temperature measurement electrode 51-2 in the system of present embodiment is fixed on the electrode connector place at buret 51 tops, and the probe segment of temperature measurement electrode 51-2 is positioned at the cavity of buret 51.

Dye liquor current observation pipe 59-1 in the system of present embodiment is arranged on the dye liquor outlet at buret 51 tops and breather valve 59-2 and dye liquor and returns between the input end of liquid valve 59-3, dye liquor current observation pipe 59-1 is by the horizontal direction setting, and its endpiece is a little less than entrance point.

The vatting dye liquor of present embodiment is supplied with volume pump 22 2, is arranged in parallel each other, and one of them is standby; Dye liquor ebullator 71 also has two, is arranged in parallel each other, and one of them is standby.The vatting charging basket of present embodiment is connected with dyestuff constant current case 21 by pipeline.

The application of present embodiment is basic identical with embodiment 1 application, but the dye liquor volume in the overflow dyeing machine dye liquor closed circuit is set in 1. in step.The sodium hydrosulfite consumption of waiting to dye thing corresponding to unit weight is also set in 1. in step.

Claims

1, a kind of system that the dye liquor component of overflow dyeing machine is carried out online detection and control is characterized in that: having with industrial control computer (9) is dye liquor sampling pump (8), dye liquor reductive agent on-line measuring device (5), dye liquor pH value on-line measuring device (6) and the dye liquor component adding set of the circuit arrangement of control core and the dye liquor sampling propulsion system that are controlled by industrial control computer; Industrial control computer also has overflow dyeing machine rate signal input port (92-1-3); Dye liquor component adding set communicates with the dye liquor closed circuit of overflow dyeing machine, and dye liquor reductive agent on-line measuring device (5) and dye liquor pH value on-line measuring device (6) communicate with the dye liquor closed circuit of overflow dyeing machine by dye liquor sampling pump (8).

2, the system that the dye liquor component of overflow dyeing machine is carried out online detection and control according to claim 1 is characterized in that: dye liquor component adding set has dye liquor supplementary device (2), caustic soda supplementary device (3) and sodium hydrosulfite adding set (4); Dye liquor sampling propulsion system also have the 3rd frequency converter of control dye liquor sampling pump (8), and the output terminal of the 3rd frequency converter links to each other with the power end of the drive motor of dye liquor sampling pump (8); Input integrated circuit board (92) and output integrated circuit board (93) that industrial control computer (9) has CPU board card (91) and is subjected to CPU board card (91) control; The input integrated circuit board (92) of industrial control computer (9) has oxidation-reduction potential signal input port (92-1-1), pH value signal input port (92-1-2), overflow dyeing machine rate signal input port (92-1-3) and dye liquor ebullator working signal input port (92-2-7), wherein, oxidation-reduction potential signal input port (92-1-1), pH value signal input port (92-1-2) and overflow dyeing machine rate signal input port (92-1-3) are the input end of analog signal mouth, and dye liquor ebullator working signal input port (92-2-7) is the switching value signal input port; Industrial control computer (9) output integrated circuit board (93) has the sodium hydrosulfite adding set and regulates control signal output ends mouth (93-1-1), the dye liquor supplementary device is regulated control signal output ends mouth (93-1-2), caustic soda supplementary device control signal output ends mouth (K11), dyestuff sampling pump control signal output ends mouth (K10), dye liquor reductive agent on-line measuring device control signal output ends mouth and dye liquor pH value on-line measuring device control signal output ends mouth, wherein, the sodium hydrosulfite adding set regulates control signal output ends mouth (93-1-1) and dye liquor supplementary device adjusting control signal output ends mouth (93-1-2) is the analog signal output mouth, caustic soda supplementary device control signal output ends mouth (K11), dyestuff sampling pump control signal output ends mouth (K10), dye liquor reductive agent on-line measuring device control signal output ends mouth and dye liquor pH value on-line measuring device control signal output ends mouth are the switching value signal output port; The material that native system also has on the dye liquor closed circuit that is arranged on overflow dyeing machine adds container (1), and the dye liquor closed circuit of overflow dyeing machine has material and adds container (1), staining bath (7), dye liquor ebullator (71) and corresponding pipeline, valve; Dye liquor supplementary device (2) has dyestuff constant current case (21) and the vatting dye liquor is supplied with volume pump (22), dyestuff constant current case (21) is supplied with the pipeline that volume pump (22) adds container (1) with material in the dye liquor closed circuit or be positioned at dye liquor ebullator (71) suction inlet place by the vatting dye liquor and is linked to each other, and the dye liquor supplementary device of the output integrated circuit board (93) of industrial control computer (9) adjusting control signal output ends mouth (93-1-2) is electrically connected with the control end of vatting dye liquor supply volume pump (22); Caustic soda supplementary device (3) has caustic soda and replenishes case (31) and caustic soda interpolation valve (32), caustic soda replenishes case (31) and links to each other by caustic soda interpolation valve (32) and material interpolation container (1), and the caustic soda supplementary device control signal output ends mouth (K11) of the output integrated circuit board (93) of industrial control computer (9) is electrically connected with the control end that caustic soda adds valve (32); Sodium hydrosulfite adding set (4) has hopper (41), spiral propeller (42) and second frequency converter, spiral propeller (42) is positioned at hopper (41) below, the material outlet of spiral propeller (42) is positioned at the sodium hydrosulfite interpolation mouthful top that material adds container (1), and the sodium hydrosulfite adding set of the output integrated circuit board (93) of industrial control computer (9) is regulated control signal output ends mouth (93-1-1) and is electrically connected with the frequency signal input end of second frequency converter of sodium hydrosulfite adding set (4); Staining bath (7) has thief hatch (7-1), and the pipeline in staining bath (7) or the overflow dyeing machine dye liquor closed circuit is provided with first liquid return hole (7-2) and second liquid return hole (7-3); Staining bath (7) is linked to each other with the dye liquor input port of dye liquor reductive agent on-line measuring device (5) with dye liquor pH value on-line measuring device (6) respectively by dye liquor sampling pump (8) and corresponding pipeline by its thief hatch (7-1), the dye liquor delivery outlet of dye liquor reductive agent on-line measuring device (5) links to each other with first liquid return hole (7-2) by pipeline, the dye liquor delivery outlet of dye liquor pH value on-line measuring device (6) links to each other with second liquid return hole (7-3) by pipeline, and the dye liquor sampling pump control signal output ends mouth (K10) of the output integrated circuit board (93) of industrial control computer (9) is electrically connected with the start-up control end of the 3rd frequency converter of dye liquor sampling propulsion system; The dye liquor oxidation-reduction potential signal output part of dye liquor reductive agent on-line measuring device (5) is electrically connected with the oxidation-reduction potential signal input port (92-1-1) of the input integrated circuit board (92) of industrial control computer (9), and the dye liquor reductive agent on-line measuring device control signal output ends mouth of the output integrated circuit board (93) of industrial control computer (9) is electrically connected with the control port of dye liquor reductive agent on-line measuring device (5); The dye liquor pH value signal output part of dye liquor pH value on-line measuring device (6) is electrically connected with the pH value signal input port (92-1-2) of the input integrated circuit board (92) of industrial control computer (9), and the dye liquor pH value on-line measuring device control signal output ends mouth of the output integrated circuit board (93) of industrial control computer (9) is electrically connected with the control port of dye liquor pH value on-line measuring device (6).

3, the system that the dye liquor component of overflow dyeing machine is carried out online detection and control according to claim 2 is characterized in that: the dyestuff constant current case (21) of dye liquor supplementary device (2) is a constant current case of being controlled liquid level by ball float automatically; It is the constant current case of being controlled liquid level by ball float automatically that the caustic soda of caustic soda supplementary device (3) replenishes case (31), it is the combination valve that is combined mutually by solenoid valve and the pneumatic cut-off valve that is controlled by this solenoid valve that caustic soda adds valve (32), and the control end that caustic soda adds the solenoid valve of valve (32) is the control end that caustic soda adds valve (32).

4, the system that the dye liquor component of overflow dyeing machine is carried out online detection and control according to claim 2 is characterized in that: dye liquor reductive agent on-line measuring device (5) has water for cleaning inlet (5-1), air intake (5-2), outfall (5-3), oxidation-reduction potential instrument (50), buret (51), potential-measuring electrode (51-1), alkali condition auxiliary agent Dropping feeder (52), oxygenant Dropping feeder (53), the first dye liquor inlet valve (54), mouth piece pipe (55-1), pump discharge pipe (55-2), bottom tube (55-3), vertical tube (55-4), titration ebullator (56), first sewage blow-down valve (57), the first rinse water inlet valve (58), breather valve (59-2), first dye liquor returns the liquid valve (59-3) and first frequency converter; Buret (51) is a transparent hollow sealing container, has the electrode connector and the dye liquor outlet that are positioned at the top, also has the dye liquor import that is positioned at the bottom; Potential-measuring electrode (51-1) is fixed on the electrode connector place at buret (51) top, and the probe segment of potential-measuring electrode (51-1) is positioned at the cavity of buret (51); The signal output part of potential-measuring electrode (51-1) is electrically connected with the oxidation-reduction potential signal input port of oxidation-reduction potential instrument (50), and the oxidation-reduction potential signal output part of oxidation-reduction potential instrument (50) is the dye liquor oxidation-reduction potential signal output part of dye liquor reductive agent on-line measuring device (5); Mouth piece pipe (55-1), pump discharge pipe (55-2), bottom tube (55-3), vertical tube (55-4) and titration ebullator (56) constitute the dye liquor circulation line; The suction inlet of titration ebullator (56) links to each other with the left port of mouth piece pipe (55-1), the liquid outlet of titration ebullator (56) links to each other with pump discharge pipe (55-2), pump discharge pipe (55-2) is stretched in the buret (51) by the dye liquor import of buret (51) bottom, and its mouth of pipe is positioned at the tube wall of the opening of the middle part of buret (51) and the mouth of pipe towards buret (51); The upper port of bottom tube (55-3) links to each other with the dye liquor import of buret (51) bottom, the left port of bottom tube (55-3) links to each other with the output port of alkali condition auxiliary agent Dropping feeder (52), the right output port of bottom tube (55-3) links to each other with the output port of oxygenant Dropping feeder (53), and the lower port of bottom tube (55-3) links to each other with the upper port of vertical tube (55-4); The middle upper port of vertical tube (55-4) links to each other with the inlet of first sewage blow-down valve (57), the middle lower port of vertical tube (55-4) links to each other with the right output port of mouth piece pipe (55-1), vertical tube (55-4) also is provided with staining bath dye liquor input port, and this staining bath dye liquor input port links to each other with the liquid outlet of the first dye liquor inlet valve (54); Mouth piece pipe (55-1) also is provided with Butterworth Hatch, and this Butterworth Hatch links to each other with the liquid outlet of the first rinse water inlet valve (58); The inlet of the first rinse water inlet valve (58) links to each other with water for cleaning pipe (58-1), the other end of water for cleaning pipe (58-1) is water for cleaning inlet (5-1), and the liquid outlet of first sewage blow-down valve (57) links to each other with outfall (5-3) with air intake (5-2) simultaneously; The dye liquor outlet at buret (51) top links to each other with air intake (5-2) by breather valve (59-2), the outlet of the dye liquor at buret (51) top also links to each other with the inlet that first dye liquor returns liquid valve (59-3) simultaneously, the liquid outlet that first dye liquor returns liquid valve (59-3) is the dye liquor delivery outlet of dye liquor reductive agent on-line measuring device (5), and the inlet of the first dye liquor inlet valve (54) is the dye liquor input port of dye liquor reductive agent on-line measuring device (5).

5, the system that the dye liquor component of overflow dyeing machine is carried out online detection and control according to claim 4, it is characterized in that: dye liquor reductive agent on-line measuring device (5) also has temperature measurement electrode (51-2), and the probe segment of temperature measurement electrode (51-2) is arranged in buret (51) or dye liquor circulation line; The signal output part of temperature measurement electrode (51-2) is electrically connected with the temperature signal input port of oxidation-reduction potential instrument (50); The port of the signal of the reflection oxidation-reduction potential of exportable process temperature correction when the oxidation-reduction potential signal output part of oxidation-reduction potential instrument (50) is to use.

6, the system that the dye liquor component of overflow dyeing machine is carried out online detection and control according to claim 4, it is characterized in that: dye liquor reductive agent on-line measuring device (5) also has dye liquor current observation pipe (59-1), dye liquor current observation pipe (59-1) is arranged on the dye liquor outlet at buret (51) top and breather valve (59-2) and dye liquor and returns between the input end of liquid valve (59-3), dye liquor current observation pipe (59-1) is substantially by the horizontal direction setting, and its endpiece is a little less than entrance point.

7, the system that the dye liquor component of overflow dyeing machine is carried out online detection and control according to claim 4 is characterized in that: the alkali condition auxiliary agent Dropping feeder (52) of dye liquor reductive agent on-line measuring device (5) has alkali condition auxiliary agent storage barrel (52-1), bottom valve (52-2), alkali condition auxiliary agent volume pump (52-3), counterbalance valve (52-4) and one way stop peturn valve (52-5); Bottom valve (52-2) is arranged in alkali condition auxiliary agent storage barrel (52-1), the output terminal of bottom valve (52-2) links to each other by the suction inlet of connecting pipe with alkali condition auxiliary agent volume pump (52-3), the liquid outlet of alkali condition auxiliary agent volume pump (52-3) links to each other with the input end of counterbalance valve (52-4), the output terminal of counterbalance valve (52-4) links to each other with one way stop peturn valve (52-5) input end, and the output terminal of one way stop peturn valve (52-5) is the output port of alkali condition auxiliary agent Dropping feeder (52); Oxygenant Dropping feeder (53) has oxygenant storage barrel (53-1), bottom valve (53-2), oxygenant volume pump (53-3), counterbalance valve (53-4) and one way stop peturn valve (53-5); Bottom valve (53-2) is arranged in oxygenant storage barrel (53-1), the output terminal of bottom valve (53-2) links to each other by the suction inlet of connecting pipe with oxygenant volume pump (53-3), the liquid outlet of oxygenant volume pump (53-3) links to each other with the input end of counterbalance valve (53-4), the output terminal of counterbalance valve (53-4) links to each other with one way stop peturn valve (53-5) input end, and the output terminal of one way stop peturn valve (53-5) is the output port of oxygenant Dropping feeder (53).

8, the system that the dye liquor component of overflow dyeing machine is carried out online detection and control according to claim 2, it is characterized in that: the dye liquor reductive agent on-line measuring device control signal output ends mouth of the output integrated circuit board (93) of industrial control computer (9) has alkali condition auxiliary agent volume pump control signal output ends (K6), oxygenant volume pump control signal output ends (K7), titration ebullator control signal output ends (K4), the first dye liquor inlet valve control signal output ends (K0), the first sewage blow-down valve control signal output ends (K2), the first rinse water inlet valve control signal output ends (K3), the breather valve control signal output ends (K5) and first dye liquor return liquid valve control signal output terminal (K1); The alkali condition auxiliary agent volume pump control signal output ends (K6) of output integrated circuit board (93) is electrically connected with the control end of the alkali condition auxiliary agent volume pump (52-3) of dye liquor reductive agent on-line measuring device (5), the oxygenant volume pump control signal output ends (K7) of output integrated circuit board (93) is electrically connected with the control end of the oxygenant volume pump (53-3) of dye liquor reductive agent on-line measuring device (5), and the titration ebullator control signal output ends (K4) of output integrated circuit board (93) is electrically connected with the start-up control end of first frequency converter of dye liquor reductive agent on-line measuring device (5); The dye liquor inlet valve (54) of dye liquor reductive agent on-line measuring device (5), buret sewage blow-down valve (57), buret rinse water inlet valve (58), breather valve (59-2) and dye liquor return all combination valves for being combined mutually by solenoid valve and the pneumatic cut-off valve that is controlled by this solenoid valve of liquid valve (59-3), the first dye liquor inlet valve control signal output ends (K0) of the dye liquor reductive agent on-line measuring device control signal output ends mouth of the output integrated circuit board (93) of industrial control computer (9), the first sewage blow-down valve control signal output ends (K2), the first rinse water inlet valve control signal output ends (K3), the breather valve control signal output ends (K5) and first dye liquor return liquid valve control signal output terminal (K1) respectively with the first dye liquor inlet valve (54), first sewage blow-down valve (57), the first rinse water inlet valve (58), the control end that the breather valve (59-2) and first dye liquor return the corresponding solenoid valve of liquid valve (59-3) is electrically connected.

9, the system that the dye liquor component of overflow dyeing machine is carried out online detection and control according to claim 2 is characterized in that: dye liquor pH value on-line measuring device (6) has water for cleaning inlet (6-1), outfall (6-2), pH meter (61), pH value potential electrode (62), the second dye liquor inlet valve (64), second dye liquor returns liquid valve (65), the second rinse water inlet valve (66), water for cleaning pipe (66-1), second sewage blow-down valve (67), bilge discharge pipe (67-1) and dye liquor circulation pipe (68); The inlet of the second dye liquor inlet valve (64) is the dye liquor input port of dye liquor pH value on-line measuring device (6), the liquid outlet of the second dye liquor inlet valve (64) links to each other with the dye liquor inlet of dye liquor circulation pipe (68), the outlet of dye liquor circulation pipe (68) dye liquor is returned liquid valve (65) inlet with second dye liquor and is linked to each other, and second dye liquor returns the dye liquor delivery outlet that liquid valve (65) liquid outlet is dye liquor pH value on-line measuring device (6); Dye liquor circulation pipe (68) also is provided with the Butterworth Hatch of the close second dye liquor inlet valve (64) and the escape hole that goes back to liquid valve (65) near second dye liquor, one end of water for cleaning pipe (66-1) is the water for cleaning inlet (6-1) of dye liquor pH value on-line measuring device (6), the other end of water for cleaning pipe (66-1) links to each other with the inlet of the second rinse water inlet valve (66), and the liquid outlet of the second rinse water inlet valve (66) links to each other with the Butterworth Hatch of dye liquor circulation pipe (68); Dye liquor circulation pipe (68) escape hole links to each other with the inlet of second sewage blow-down valve (67), the liquid outlet of second sewage blow-down valve (67) links to each other with an end of bilge discharge pipe (67-1), and the other end of bilge discharge pipe (67-1) is the outfall (6-2) of dye liquor pH value on-line measuring device (6); PH value potential electrode (62) is arranged on being positioned on the pipeline section between the second rinse water inlet valve (66) and second sewage blow-down valve (67) of dye liquor circulation pipe (68), and its probe stretches in the dye liquor circulation pipe (68); The signal output part of pH value potential electrode (62) is electrically connected with the pH value signal input end of pH meter (61), and the pH value signal output terminal of pH meter (61) is the dye liquor pH value signal output part of dye liquor pH value on-line measuring device (6).

10, the system that the dye liquor component of overflow dyeing machine is carried out online detection and control according to claim 9, it is characterized in that: dye liquor pH value on-line measuring device (6) also has temperature measurement electrode (63), temperature measurement electrode (63) is arranged on being positioned on the pipeline section between the second rinse water inlet valve (66) and second sewage blow-down valve (67) of dye liquor circulation pipe (68), and its probe stretches in the dye liquor circulation pipe (68), and the signal output part of temperature measurement electrode (63) is electrically connected with the temperature signal input end of pH meter (61); The port of the signal of the reflection dye liquor pH value of exportable process temperature correction when the dye liquor pH value signal output part of pH meter (61) is to use.

11, the system that the dye liquor component of overflow dyeing machine is carried out online detection and control according to claim 9 is characterized in that: the dye liquor pH value on-line measuring device control signal output ends mouth of industrial control computer (9) output integrated circuit board (93) has the second dye liquor inlet valve and second dye liquor returns liquid valve control signal output terminal (K8), the second rinse water inlet valve and the second sewage blow-down valve control signal output ends (K9); The second dye liquor inlet valve (64) of dye liquor pH value on-line measuring device (6), second dye liquor return all combination valves for being combined mutually by solenoid valve and the pneumatic cut-off valve that is controlled by this solenoid valve of liquid valve (65), the second rinse water inlet valve (66) and second sewage blow-down valve (67); The second dye liquor inlet valve of output integrated circuit board (93) and second dye liquor return liquid valve control signal output terminal (K8) and are electrically connected with the control end that the second dye liquor inlet valve (64) and second dye liquor return the corresponding solenoid valve of liquid valve (65) simultaneously, and the second rinse water inlet valve and the second sewage blow-down valve control signal output ends (K9) while of exporting integrated circuit board (93) are electrically connected with the control end of the corresponding solenoid valve of the second rinse water inlet valve (66) and second sewage blow-down valve (67).

12, according to the described system that the dye liquor component of overflow dyeing machine is carried out online detection and control of one of claim 2 to 11, it is characterized in that: the material in the dye liquor closed circuit adds container (1) and is the dye liquor circulating box; Pipeline in the dye liquor closed circuit has dye liquor and adds pipe (72), dye liquor liquid back pipe (73) and dye liquor tail pipe (74); The liquid outlet of dye liquor ebullator (71) connects dye liquor and adds pipe (72), the liquid outlet that dye liquor adds pipe (72) connects staining bath (7), the dye liquor liquid outlet of staining bath (7) connects dye liquor liquid back pipe (73), the liquid outlet of dye liquor liquid back pipe (73) connects material and adds container (1), the liquid outlet that material adds container (1) connects dye liquor tail pipe (74), and the liquid outlet of dye liquor tail pipe (74) connects dye liquor ebullator (71).

13, according to the described system that the dye liquor component of overflow dyeing machine is carried out online detection and control of one of claim 2 to 11, it is characterized in that: the material in the dye liquor closed circuit adds container (1) and adds groove for material; Pipeline in the dye liquor closed circuit has dye liquor and adds pipe (72), dye liquor liquid back pipe (73) and dye liquor tail pipe (74); The liquid outlet of dye liquor ebullator (71) links to each other with the inlet that dye liquor adds pipe (72), and each liquid outlet that dye liquor adds pipe (72) links to each other with the dye liquor inlet of each staining bath (7) by valve; The dye liquor liquid outlet of staining bath (7) has two, and they are outlet and dye liquor bottom outlets under the dye liquor; The dye liquor of each staining bath (7) down outlet links to each other with dye liquor liquid back pipe (73) as balance pipe by valve, the dye liquor bottom outlet of each staining bath (7) links to each other with dye liquor tail pipe (74) as circulation pipe by valve, and the end liquid outlet of dye liquor tail pipe (74) links to each other with dye liquor ebullator (71) liquid sucting port by filter screen.

14, according to the described system that the dye liquor component of overflow dyeing machine is carried out online detection and control of one of claim 2 to 11, it is characterized in that: the input integrated circuit board (92) of industrial control computer (9) is made up of simulating signal input sample card (92-1) and digital signal input card (92-2), and the output integrated circuit board (93) of industrial control computer (9) is exported integrated circuit board (93-2) by simulation and digital signal output card (93-1) and digital relay and formed; Simulating signal input sample card (92-1) directly links to each other with CPU board card (91) with simulation and digital signal output card (93-1), and digital signal input card (92-2) and digital relay output integrated circuit board (93-2) is connected on the integrated circuit board interface of simulation and digital signal output card (93-1) and by simulating and digital signal output card (93-1) is controlled by CPU board card (91); PH value signal input port (92-1-2), oxidation-reduction potential signal input port (92-1-1) and the overflow dyeing machine rate signal input port (92-1-3) of input integrated circuit board (92) then belong to simulating signal input sample card (92-1); The dye liquor ebullator working signal input port (92-2-7) of input integrated circuit board (92) then belongs to digital signal input card (92-2); The sodium hydrosulfite adding set of output integrated circuit board (93) regulates control signal output ends mouth (93-1-1) and dye liquor supplementary device control signal output ends mouth (93-1-2) then belongs to simulation and digital signal output card (93-1); Caustic soda supplementary device control signal output ends mouth (K11), dyestuff sampling pump control signal output ends mouth (K10), dye liquor reductive agent on-line measuring device control signal output ends mouth and the dye liquor pH value on-line measuring device control signal output ends mouth of output integrated circuit board (93) then belongs to digital relay output integrated circuit board (93-2).

15, the system that the dye liquor component of overflow dyeing machine is carried out online detection and control according to claim 14 is characterized in that: the digital signal input card (92-2) of industrial control computer (9) also is provided with the sodium hydrosulfite auto-manual and adds signal input port (92-2-2); The simulating signal input sample card (92-1) of industrial control computer (9) also is provided with sodium hydrosulfite and manually adds conditioning signal input port (92-1-4); The circuit arrangement of native system also has sodium hydrosulfite and adds regulating circuit (923) and sodium hydrosulfite automatic/hand interpolation switch (925), the sodium hydrosulfite automatic/hand of the output termination digital signal input card (92-2) of this switch adds signal input port (92-2-2), and the sodium hydrosulfite that sodium hydrosulfite adds the output termination simulating signal input sample card (92-1) of regulating circuit (923) manually adds conditioning signal input port (92-1-4); The digital signal input card (92-2) of industrial control computer (9) also is provided with system start-up/stop signal input port (92-2-1), and circuit arrangement also has system start-up/stop switch (924); System start-up/the stop system start-up/stop signal input port (92-2-1) of the output termination digital signal input card (92-2) of switch (924).