CN106018353A - Sewage treatment control system - Google Patents
Sewage treatment control system Download PDFInfo
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- CN106018353A CN106018353A CN201610564331.7A CN201610564331A CN106018353A CN 106018353 A CN106018353 A CN 106018353A CN 201610564331 A CN201610564331 A CN 201610564331A CN 106018353 A CN106018353 A CN 106018353A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/59—Transmissivity
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention relates to a treatment control system for physicochemical treatment of printing and dyeing sewage. The sewage treatment control system comprises a water inlet pipe section, a decolorizer adding device, a coagulant aid adding device, a sewage pump, a water supply pipeline, a sampling detection device for detecting sewage treatment indexes, a control box and a sedimentation tank, wherein the sampling detection device comprises a sampling water inlet pipe, a buffer filter for removing impurities in the printing and dyeing sewage and a detecting box for detecting the light transmittance of the printing and dyeing sewage; the detecting box comprises a box body, as well as a sedimentation device and a light transmittance detector which are connected with the sampling water inlet pipe in sequence, and the light transmittance detector is used for detecting the light transmittance of a supernate of the printing and dyeing sewage; the sedimentation device and the light transmittance detector are both arranged in the box body; the light transmittance detector comprises a casing, a light source, a light-sensitive receiver, and a multi-way flowing passage for a water sample to flow. The sampling detection is adopted and amplified to the whole system, so that not only can the system be better controlled, but also flocculation of the printing and dyeing sewage can be stable and full in the whole technological process.
Description
Technical field
The invention belongs to sewage treatment area, particularly relate to a kind of process for dyeing and printing sewage materializing strategy
Control system.
Background technology
China is that fabric clothing maximum in the world produces and exported country, therefore dyeing manner of breathing therewith
Close, and the discharge of wastewater of dyeing is one of China's key industry causing water pollution, with other industry
Comparing, it is big that dyeing waste water has wastewater discharge, and color is deep, and hardly degraded organic substance content is high, and water quality is unstable
The feature such as fixed.
For the process problem of dyeing waste water, existing treatment technology mainly passes sequentially through materializing strategy, biochemistry
Process treatment of dyeing wastewater, thus harmful substance of degrading, reach discharge standard.For current dyeing waste water
Materializing strategy, existing materializing strategy operation is completed by operator's manual operations substantially.First will printing and dyeing
Waste water introduces in pond, because the pH of dyeing waste water is uncertain, therefore the most first regulates pH to alkali with Calx
Property, add ferrous sulfate and waste water is carried out flocculation sediment process.At present dyeing waste water early stage is processed and need
Judge whether occur fully flocculating, if the most fully flocculated according to naked eyes, then indicate that we were processing
Journey Chinese medicine addition goes wrong, and is not adjusted in place.Generally, pH at 9-11 is just adjusted
Can fully flocculate, drive off supernatant through sedimentation tank.
For problem as above, notification number is that CN203238083U Chinese patent discloses one and is automatically adjusted
The treatment of dyeing wastewater equipment for the treatment of agent amount, but in actual process, owing to domestic pH meter inserts
Dyeing waste water is easy to blocked by impurity, causes pH meter measured value and actual value that excessive deviation occurs, lead
Cause control system is unstable.The pH using import also can only temporarily be accurately controlled, and pH controls non-
Linearly, it is difficult to make it remain stable.
Certainly, the Chinese invention patent prospectus of Publication No. CN104034702A discloses a kind of use
In the detection box of detection dyeing waste water transmittance, this detection box not only can be directly to entering its interior dyeing waste water
Carry out transmittancy detection, record the strong and weak signal of light as available control signal, isolate to express
The clarity of supernatant, thus be used for replacing eye-observation dyeing waste water the most fully to flocculate.So just control
Transmittance is changed into as control point as control point from pH value.It is contemplated that the disclosed inspection of CN104034702A
Survey box is when detection, and dyeing waste water easily ties dirt at light source and photoinduction element surface, causes transmittance and sense
The dual decline of light ability, after using a period of time, this detection box is not in detection accuracy and stability
Very well, but also there are the problems such as ruggedness, detachable maintaining is cumbersome, ultimately results in control system
Unstable.
Additionally, this detection box is also easy to fouling in use for some time, also it is that the whole control system of impact is steady
Qualitative, an important reason of ruggedness.
Summary of the invention
For the deficiency pointed by prior art, the goal of the invention of the present invention is to provide a kind of materializing strategy effect
The best sewage treatment control system, the core transmittance detection of this sewage treatment control system is highly stable
Accurately, not only non flouling behaviour, and also dirt also will not be tied in the surface of light source and photoinduction element.
In order to realize foregoing invention purpose, present invention employs techniques below scheme:
Sewage treatment control system, including water inlet segment, decolorising agent adding apparatus, flocculation aid adding apparatus,
Sewage pump, water pipeline, process the sampling detecting device of index, control chamber and sedimentation tank for detecting waste water,
Described water inlet segment connects water pipeline by sewage pump, and water pipeline end connects sedimentation tank；After sewage pump
The water pipeline of side is provided with sample tap, and sampling detecting device connects the print in described water pipeline by sample tap
Dye waste water；
Described decolorising agent adding apparatus includes decolorising agent storage tank and the first motor-operated control valve, decolorising agent tank bottom
Connecting water inlet segment by pipeline, the first motor-operated control valve is arranged between decolorising agent storage tank and water inlet segment
On pipeline；
Described decolorising agent adding apparatus is on front side of flocculation aid adding apparatus；
Described sampling detecting device includes sampling water inlet pipe, for rejecting the buffering filtration of foreign material in dyeing waste water
Device and for detecting the detection box of dyeing waste water transmittance；Sampling water inlet pipe outfan connects detection box, described
Buffering filter is arranged on the sampling water inlet pipe on front side of detection box；
Described detection box include box body, be sequentially connected with sampling water inlet pipe sedimentation device and for detecting printing and dyeing
The transmittance detector of wastewater supernatant fluid transmittance, sedimentation device and transmittance detector are all in box body；
The described transmittance detector for detecting dyeing waste water supernatant transparent luminosity includes housing, light source, light
Quick receptor and the flowing for water sample circulation are threaded a pipe more；More described flowing is threaded a pipe and is included outlet pipe and water inlet
Pipe, water inlet pipe is connected with outlet pipe, and outlet pipe is the siphunculus that two ends are through, the light emission direction of light source, goes out
Water pipe and photoreceiver are the most on the same line；Leave first between described light source and outlet pipe one end to fall
Water space；The second overboard gap is left between photoreceiver and the other end of outlet pipe；The light of described light source
Line runs through in outlet pipe and exposes to photoreceiver；
Photoreceiver gathers signal and inputs a signal into described control chamber, and control chamber signal connects and controls
First motor-operated control valve；
Described flocculation aid adding apparatus includes flocculation aid storage tank and the second motor-operated control valve, flocculation aid tank bottom
Connecting water inlet segment by pipeline, the second motor-operated control valve is arranged between flocculation aid storage tank and water inlet segment
On pipeline.
As preferably, described transmittance detector also includes the second admission gear being located at enclosure interior, second
Admission gear includes the second air inlet, the second inlet channel and the second gas outlet, the second inlet channel connection the
Two air inlets and the second gas outlet, the second air inlet is positioned at housing exterior walls, and the second gas outlet is towards outlet pipe
Exit；Housing bottom is additionally provided with the outlet flowed out for water sample.The high velocity air that second gas outlet produces can
So that the dirts such as the viscosity mud in outlet pipe exit are blown so that it is move and avoid viscosity mud to adhere to
Outlet pipe surface, it is to avoid outlet pipe exit scale formation, reduces wash number, extends maintenance cycle.
As preferably, described sedimentation device includes base plate, spiral roll bending, upper sealing plate and side seal board, described
Spiral roll bending longitudinal curl also forms helical duct, and described base plate seals and is fixed on described spiral roll bending
Lower end, upper sealing plate seal be fixed on described spiral roll bending upper end, side seal board longitudinal sealing base plate and on seal
Spiral roll bending outer end between plate, and helical duct outer end is sealed；Described upper sealing plate is communicated with spiral
The oral siphon of channel center and the supernatant outlet connecting helical duct outer end；It is provided with bottom described side seal board
The precipitation extrusion of connection helical duct outer end；Supernatant outlet is used for detecting dyeing waste water described in connecting
Water inlet pipe in the transmittance detector of clear liquid transmittance.
As preferably, described sedimentation device includes that rectangular box is fixed on the inwall of rectangular box both sides with staggered
Multiple baffle plates composition, described rectangular box one end is provided with oral siphon, and the bottom of the rectangular box other end is provided with
Precipitation extrusion, is offering supernatant outlet on the roof of the rectangular box other end, and supernatant goes out
The mouth of a river connects the water inlet pipe in the described transmittance detector for detecting dyeing waste water supernatant transparent luminosity.
As preferably, described sampling detecting device also includes flocculant adding apparatus, and flocculant adding apparatus is defeated
Enter end to be connected on the sampling water inlet pipe of buffering filter and detection box；Described flocculant adding apparatus includes medicine
Agent blending bin, blender, water valve and drug metering pump, described medicament blending bin is located at above sampling water inlet pipe,
Blender is by power invariability and the motor of energy output speed signal and the stirring paddle group connecting motor shaft output
Becoming, described motor is in outside medicament blending bin and is arranged on medicament blending bin top, and stirring paddle is in medicament
Inside blending bin, medicament blending bin is provided with medicament and adds entrance, water filling port and confection delivery outlet, medicament
Dosing pump connects medicament and adds entrance, and water valve connects water filling port, and confection delivery outlet connects sampling water inlet pipe；
Described motor signal connects control chamber, and control chamber signal connects and controls described drug metering pump.
As preferably, described housing includes upper cover and lower cover, and flowing is threaded a pipe more, light source, photoreceiver
It is located between upper cover and lower cover；Described second admission gear is positioned at inside upper cover；It is additionally provided with in described upper cover
First admission gear, the first admission gear includes that the first air inlet, the first inlet channel and two first give vent to anger
Mouthful, the first air inlet is respectively communicated with two the first gas outlets by the first inlet channel, and said two first goes out
QI KOU lays respectively at light source and the side at photoreceiver place.
As preferably, outside light source and photoreceiver, it is equipped with set casing, the rounded tubular of described set casing,
Upper cover and under be covered with for set casing install semi-circular groove, set casing lateral wall is additionally provided with fixing fin,
Set casing is sandwiched between upper cover and lower cover by described fixing fin.
As preferably, being additionally provided with in described housing increases flowing and threads a pipe the bracket of fixed effect more, described torr
Frame leaves the passage for water sample circulation, saddle and frame plate between including bottom saddle and frame plate, frame plate and lower cover
Fixing, frame plate is connected with lower cover, and pallet upper surface is provided with and matches with described flowing manifold pipe shape
Groove, more flowing is threaded a pipe and is fitted on described bracket by described groove.
As preferably, in described upper cover, be additionally provided with present a theatrical performance as the last item on a programme corresponding with described saddle, described in present a theatrical performance as the last item on a programme lower surface
Being provided with groove, described groove agrees with mutually with flowing manifold pipeline outer wall, flowing thread a pipe more be embedded at saddle with
In groove between presenting a theatrical performance as the last item on a programme.
As preferably, more described flowing is threaded a pipe and is also included the scale removal pipe flowed into for scale remover, scale removal pipe
Connecting with outlet pipe, water inlet pipe, flowing is threaded a pipe in cross more.
Compared with prior art, present invention employs technique scheme, it has the beneficial effect that:
First, see on the whole, the processing means that the present invention uses to existing treatment of dyeing wastewater flow process and
Device improves again, first samples, and then detects, sampling dyeing waste water by dyeing waste water supernatant
The transmittancy of liquid, is controlled as new control point, is numeral letter by the analog-signal transitions that light is strong and weak
Number, provide a new test point for whole dyeing waste water automation field, such that it is able to substitute pH control
System, it is to avoid be controlled the control point of pH parameter, is possible not only to reduce cost but also can improve whole
The stability of process control system and ruggedness, it is provided that preferably control effect.
Moreover, the structure of the transmittance detector in the present invention is arranged is by light source, outlet pipe and photosensitive
Receptor is separately positioned so that leave the first overboard gap between light source and outlet pipe one end；Photoreceiver
And leave the second overboard gap between the other end of outlet pipe；The light of light source is by first through first overboard
The air of gap, then through the water in outlet pipe, then printing opacity crosses the air in the second overboard gap, finally injects
Photoreceiver, this structure is arranged can avoid outlet pipe water column out to flow to light source or photoreceiver,
Protection light source and photoreceiver are exempted from water stain and dirt contamination and are affected translucent effect, improve stablizing of detection
Property and accuracy；Outlet pipe is that the through siphunculus in two ends not only makes outlet pipe be difficult to fouling and clogging, but also
Reduce this transmittance detector cleaning frequency to outlet pipe, also extend the use of transmittance detector simultaneously
In the life-span, i.e. improve ruggedness.
Secondly, the adding medicine device in the present invention, have selected the rotating speed of motor output and the reverse relevant of viscosity
Property is as control principle, from motor speed as point of penetration, using the motor speed data of power invariability as adopting
Collection signal, input is to controller, and controller controls drug metering pump and water valve according to rotating speed, so that
Dosing and the amount added water form balance, control drug concentration with this constant.This control method low cost,
Effective, although to open and control to have certain hysteresis quality at the beginning, but for the technology controlling and process of work continuously
Good stability, it is possible to quickly allow drug concentration enter steady statue, control effective.
Thirdly, further improvement of the present invention scheme uses the sedimentation device of above two structure, wherein
In the first sedimentation structure, dyeing waste water enters from oral siphon, and through helical duct, helical duct elongates
The precipitation distance of dyeing waste water and time so that supernatant is easily from the supernatant of upper end, helical duct outer end
Liquid outlet separates, and the precipitation extrusion extrusion that flocculent deposit is bottom helical duct outer end, volume is little,
Good separating effect, it is simple to sample detecting well.Wherein in the second sedimentation structure, dyeing waste water is from entering water
Pipe enters, and through staggered passage, staggered passage has elongated precipitation distance and the time of dyeing waste water equally,
Obtain the effect above equally.
In a word, above-mentioned sampling is used to detect, then the control program that the control equipment being amplified to whole system is carried out,
Not only control system can more preferably control, and whole technical process can guarantee that dyeing waste water can be stable, fully
Flocculation, completes materializing strategy.
Accompanying drawing explanation
The structural representation of Fig. 1: the embodiment of the present invention.
Fig. 2: the structural representation that in the embodiment of the present invention, sampling detecting device and control chamber signal connect.
Fig. 3: for detecting the structural representation of the detection box of dyeing waste water transmittance in the embodiment of the present invention.
The perspective view of sedimentation device in Fig. 4: the embodiment of the present invention 1.
The three-dimensional sectility schematic diagram of sedimentation device in Fig. 5: the embodiment of the present invention 1.
Fig. 6: the structural representation of transmittance detector in the embodiment of the present invention.
Fig. 7: the fractionation schematic diagram of transmittance detector in the embodiment of the present invention.
Fig. 8: the principle schematic of transmittance detector in the embodiment of the present invention.
Fig. 9: the superstructure schematic diagram on the housing of transmittance detector in the embodiment of the present invention.
Figure 10: first, second covered on the housing of the transmittance detector in the embodiment of the present invention enters
The sectional view of mechanism of qi structure.
The internal structure of Figure 11: the transmittance detector in the embodiment of the present invention splits schematic diagram.
Figure 12: the installation that in the transmittance detector in the embodiment of the present invention, circulation duct is arranged on bracket is shown
It is intended to.
Figure 13: water sample in outlet pipe when do not ventilate in the second gas outlet in transmittance detector in the embodiment of the present invention
Detection schematic diagram.
Figure 14: water sample inspection in outlet pipe during the second gas outlet ventilation in transmittance detector in the embodiment of the present invention
Measure intention.
Figure 15: the structural representation of flocculant adding apparatus in the embodiment of the present invention.
The structural representation of sedimentation device in Figure 16: the embodiment of the present invention 2.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described further.
Embodiment 1:
A kind of processing means for treatment of dyeing wastewater as shown in Figure 1, this processing means have employed new-type
Detection method to dyeing waste water, whether muddiness detects, by the transmittance index of supernatant after processing
As control point, therefore present invention improves over existing technique, frame well on new process Process ba-sis
Structure control system.
See shown in Fig. 1-15, this sewage treatment control system include water inlet segment 1, decolorising agent adding apparatus 7,
Flocculation aid adding apparatus 8, sewage pump 2, water pipeline, for detect waste water process index sampling detection dress
Put 5, control chamber 6 and sedimentation tank 4.Water inlet segment 1 connects water pipeline, water pipeline by sewage pump 2
End connects sedimentation tank 4, and what in figure, arrow pointed to is dyeing waste water (sewage the most hereinafter) water (flow) direction.
The driving of sewage pump 2 makes decolorising agent, flocculation aid, sewage three uniformly mix and fully react.Sewage pump 2
The water pipeline of rear side is provided with sample tap, and sampling detecting device 5 is connected in described water pipeline by sample tap
Dyeing waste water.It is one section of pipeline the longest that water pipeline actually arrives sedimentation tank, the most de-during secondary
Toner, flocculation aid, sewage three all can be sufficiently mixed.And if sample position is the most forward, just it is difficult to ensure that
It is sufficiently mixed, in order to avoid sampling goes wrong.We are by between above-mentioned sample tap and sampling detecting device 5
Probe tube on be connected with slosh pump, decolorising agent, flocculation aid and sewage can be sufficiently mixed by slosh pump again
Send into sampling detecting device 5.What before comparing, we utilized that large-scale reaction tube is make decolorising agent, flocculation aid,
For sewage three is sufficiently mixed, we have only to add a slosh pump the least on probe tube, no
Only sampling rate is easier to, and ensures that the water sample of sampling is sufficiently mixed with decolorising agent, flocculation aid, in order to
Subsequent detection.
As it is shown in figure 1, above-mentioned decolorising agent adding apparatus 7 is on front side of flocculation aid adding apparatus 8.Therein
Decolorising agent adding apparatus 7 is made up of decolorising agent storage tank 7a and the first motor-operated control valve 7b, decolorising agent storage tank 7a
Bottom connects water inlet segment 1 by pipeline, and the first motor-operated control valve 7b is arranged on decolorising agent storage tank 7a and water inlet
On pipeline between pipeline section 1.
Above-mentioned flocculation aid adding apparatus 8 is made up of flocculation aid storage tank 8a and the second motor-operated control valve 8b, helps solidifying
Connecting water inlet segment 1 by pipeline bottom agent storage tank 8a, the second motor-operated control valve 8b is arranged on flocculation aid storage tank
The second motor-operated control valve 8b foundation on pipeline between 8a and water inlet segment 1, in flocculation aid adding apparatus 8
Be flow-control, according to dyeing waste water enter flow and positive correlation add, when constant flow is, second
Motor-operated control valve 8b constant opening degree.Not shown in Fig. 1-8, flow signal is connected into control by effusion meter and effusion meter
Case 6 processed, actually just has the effusion meter of connection control chamber 6 at water inlet segment 1.
Shown in Figure 2, above-mentioned sampling detecting device 5 includes sampling water inlet pipe 51, useless for rejecting printing and dyeing
The buffering filter 52 of foreign material in water, flocculant adding apparatus 53, for detecting the inspection of dyeing waste water transmittance
Survey box 54 and liquid collecting tank 57.Sampling water inlet pipe 51 connects detection box 54, buffering by buffering filter 52
Filter 52 is made up of surge tank and drainage screen, and drainage screen is located in surge tank, and detection box 54 outfan can
Directly dyeing waste water is drained, it is also possible to arranging sampling outlet pipe 56 and reflux pump 58, detection box 54 is defeated
Going out end and connect sampling outlet pipe 56, the dyeing waste water detected is beaten by sampling outlet pipe 56 by reflux pump 58
Loopback waterpipe.
Flocculant adding apparatus 53 input is connected to buffering filter 52 and the sampling water inlet pipe of detection box 54
On 51, flocculant does not change the clarity on sewage upper strata, only the solid granule rapid condensation of sewage is become big
Granule, accelerates its precipitation.
Shown in Figure 15, above-mentioned flocculant adding apparatus 53 includes medicament blending bin 531, blender, water
Valve 535 and drug metering pump 534.Medicament blending bin 531 be located at sampling water inlet pipe 51 above, blender by
The motor 530 of power invariability and energy output speed signal and the stirring paddle 533 connecting motor 530 axle outfan
Composition.Motor 530 is in outside medicament blending bin 531 and is arranged on medicament blending bin 531 top, stirring
Oar 533 is in inside medicament blending bin, and stirring paddle 533 connects motor 530 axle outfan.Above-mentioned medicament mixes
Mould assembling 531 upper top is provided with medicament and adds entrance, and its upper lateral part is provided with water filling port, is provided with confection bottom it
Delivery outlet 532, drug metering pump 534 outfan connects medicament and adds entrance, and water valve 535 connects water filling port, mixed
Close medicament delivery outlet 532 and connect sampling water inlet pipe 51.In order to better control over the amount that flocculant adds, above-mentioned
Motor 530 connects control chamber 6 by holding wire 60, and control chamber 6 is connected by holding wire 60 and controlled medicine
Agent dosing pump 534.
During control, calibration controls rotating speed in setting value, determines that setting value step is as follows: because of concentration and viscosity in
Positive correlation, and viscosity and the reverse dependency relation of resistance, put into solid chemicals (flocculant) and be allowed to into
For target viscosities, it is assumed that measuring rotating speed is 2000 turns/hour, then setting value had both been 2000 turns/hour.?
Under the state of constant pressure and flow, if motor 530 drives the stirring paddle 533 rotating speed in clear water to be 3000 turns/hour,
Now it is switched on control chamber 6 to automatically control, starts to control drug metering pump 534 adding medicine, when rotating speed is higher than
The when of 2000 turn/hour, illustrating that in water, viscosity reduces, automatically engaging solid chemicals (flocculant) increases viscous
Degree, when rotating speed is at 2000 turns/hour, stops adding solid chemicals (flocculant)；When rotating speed is less than 2000
Turn/hour, opened by control chamber 6 and control water valve 535 and add water from water filling port.
Shown in Figure 3, above-mentioned detection box 54 includes box body, is sequentially connected with the sedimentation of sampling water inlet pipe 51
Device 54 ＇ and for detecting the transmittance detector 3 of dyeing waste water supernatant transparent luminosity, sedimentation device 54 ＇
All it is in box body with transmittance detector 3.
Seeing shown in Fig. 3, Fig. 4 and Fig. 5, the effect of sedimentation device 54 ＇ is by quick for the solid in sewage
Settlement separate go out sewage supernatant, it is simple to below for detect dyeing waste water supernatant transparent luminosity detection dress
Putting and carry out transmittance detection, it includes base plate 1 ＇, spiral roll bending 2 ＇, upper sealing plate 3 ＇ and side seal board 21 ＇.
Spiral roll bending 2 ＇ longitudinal curl, its cross section is mosquito-repellent incense-shaped spiral, forms spiral in spiral roll bending 2 ＇
Passage 20 ＇, spiral roll bending 2 ＇ two ends flush.Above-mentioned base plate 1 ＇ seals and is fixed on described spiral roll bending
The lower end of 2 ＇, base plate 1 ＇ and spiral roll bending 2 ＇ lower end are detachable fixing, and upper sealing plate 3 ＇ seals fixing
In spiral roll bending 2 ＇ upper end, side seal board 21 ＇ longitudinal sealing spiral shell between base plate 1 ＇ and upper sealing plate 3 ＇
Rotating roll bending 2 ＇ outer end, and helical duct outer end 20b ＇ is sealed.The center of upper sealing plate 3 ＇ be provided with for
It is connected into oral siphon 4 ＇ of dyeing waste water, oral siphon 4 ＇ and connects helical duct center 20a ＇, upper sealing plate 3 ＇'s
One lateral edges is provided with supernatant outlet 5 ＇, supernatant outlet 5 ＇ and connects helical duct 20 ＇ outer end.On
State precipitation extrusion 6 ＇ being communicated with helical duct 20 ＇ outer end bottom side seal board 21 ＇.In order to the closeest
Sealing and fixing, above-mentioned side seal board 21 ＇ is connected as a single entity with spiral roll bending 2 ＇ outer end.
Refering to Fig. 6 to the transmittance detector 3 for detecting dyeing waste water transmittance shown in 14, it includes
Housing, light source 34, photoreceiver 35 and the flowing for water sample circulation thread a pipe 33 more.Wherein:
Flowing is threaded a pipe more and 33 is included outlet pipe 332 and water inlet pipe 330, water inlet pipe 330 and outlet pipe 332
Being connected, outlet pipe 332 is the siphunculus that two ends are through, the light emission direction of light source 34, outlet pipe 332 and light
Quick receptor 35 is the most on the same line.First is left between above-mentioned light source 34 and outlet pipe 332 one end
Overboard gap.The second overboard gap is left between the other end of photoreceiver 35 and outlet pipe 332.Above-mentioned
In the light of light source 34 runs through outlet pipe 332 and expose to photoreceiver 35, above-mentioned enclosure interior is additionally provided with
Second admission gear, the second admission gear includes second air inlet the 312, second inlet channel 3121 and second
Gas outlet 3120, the second inlet channel 3121 connects the second air inlet 312 and the second gas outlet 3120, the
Two air inlets 312 are positioned at housing exterior walls, and the second gas outlet 3120 is towards the exit of outlet pipe 332.Housing
Bottom is additionally provided with the outlet 320 flowed out for water sample.
Refering to shown in Fig. 7, housing include upper cover 31 and lower cover 32, flowing thread a pipe 33 more, light source 34,
Photoreceiver 35 is located between upper cover 31 and lower cover 32, and first, second admission gear is positioned at upper cover 31
Inside, is additionally provided with the outlet 320 flowed out for water sample bottom lower cover 32.Carry out the printing opacity inspection of waste water transmittance
When surveying work, upper cover 31 is arranged on lower cover 32, flowing threads a pipe 33 more, light source 34, photosensitive reception
Device 35 is installed in housing, and is arranged on intimate straight line, and light source 34 is threaded a pipe through circulation more
Sewage in 33 reacts on photoreceiver 35, carries out transmittance analysis, to detect the printing opacity of dyeing waste water
Degree.
During detection, first, second admission gear is arranged at above upper cover 31, threads a pipe 33 with flowing more
Angled, in the first air inlet 311 and the second air inlet 312, it is passed through gases at high pressure, gases at high pressure
Being sprayed by the second gas outlet 3120 by the second inlet channel 3121, gases at high pressure are towards outlet pipe outlet spray
Penetrate, utilize gases at high pressure to push away in the dirts such as silt；Gases at high pressure pass through the first inlet channel 3111 by first
Gas outlet 3110 sprays, and the water column that hydraulic pressure can spray to time too high light source or photoreceiver is pressed downward against, and keeps away
Exempt from light source or photoreceiver contamination dirt and water stain.
During use, the outlet 320 that water sample flows out altogether is located at the right flank of lower cover 32, from bottom
10mm-15mm, is also equipped with valve at outlet 320, after being on the one hand conducive to dyeing waste water to detect
Discharge, on the other hand turn avoid the spilling of dyeing and printing sewage during detection.
Refering to shown in Figure 11, flowing is threaded a pipe more and 33 is provided with the scale removal pipe 331 for scale remover inflow, removes
Dirt pipe 331 connects with outlet pipe 332, water inlet pipe 330, and flowing threads a pipe 33 in cross more.Cross
Design reduce the probability of line clogging.After flowing threaded a pipe for 33 use a period of times more, inner pipeline plug
When filling in or leave fouling, scale remover can be passed through and carry out scale removal, internal incrustation is dissolved, by air inlet
Mouth is passed through gases at high pressure and pushes away by the fouling products in scale removal pipe 331, and when carrying out scale removal, water inlet pipe 330 is not
Water inlet.
As seen in figs. 7 and 11, outside light source 34 and photoreceiver 35, be equipped with set casing, set casing in
The semi-circular groove installed for set casing it is equipped with, outside set casing on rounded cylindrical, upper cover 31 and lower cover 32
Sidewall is additionally provided with fixing fin 340, fixing fin 350, and set casing passes through described fixing fin 340, fixes
Fin 350 is stuck in semi-circular groove, is clipped between upper cover 31 and lower cover 32.Avoid and examine at dyeing and printing sewage
During survey, what 33, light source 34 and photoreceiver 35 were threaded a pipe in flowing more rocks the shadow to testing result
Ring, and then improve the accuracy rate of testing result.
As shown in figure 12, during dyeing and printing sewage detects, more flowing is threaded a pipe and 33 is fixed on bracket
On 36, bracket 36 is made up of saddle 360 and frame plate 361, bottom frame plate 361 and lower cover 32 between leave
For the passage of water sample circulation, passage can be arranged to the inclined that from left to right dips down, in order to dyeing and printing sewage is to going out
Trickle at the mouth of a river 320.Saddle 360 fixes with frame plate 361, can be made by welding, it is possible to by tightly
Firmware connects.Frame plate 361 is connected with lower cover 32, and saddle 360 upper surface is provided with siphunculus many with described flowing
The groove of road 33 mating shapes, more flowing is threaded a pipe and 33 is fitted on described bracket 36 by described groove.
During use, it is additionally provided with in upper cover 31 and corresponding with described saddle 360 presents a theatrical performance as the last item on a programme 313, present a theatrical performance as the last item on a programme 313 times
Surface is provided with groove, and described groove and flowing 33 outer walls of threading a pipe agree with mutually, and flowing, to thread a pipe 33 embedding more
Be located at saddle 360 and present a theatrical performance as the last item on a programme between 313 groove in, with ensure flowing thread a pipe more 33 stability.
Use or cleaning process in, detection dyeing waste water transmittance transmittance detector on upper cover 31,
Lower cover 32 and flowing are threaded a pipe 33 all detachably more, and the beneficially later stage, to the detection of detector and cleaning, carries
In the service life of high-transmittance detector, reduce the use cost of enterprise.
Describe above-mentioned sedimentation device 54 ＇ in detail and for detecting the transmittance of dyeing waste water supernatant transparent luminosity
Detector 3, the outfan of oral siphon 4 ＇ in above-mentioned sedimentation device 54 ＇ and sampling water inlet pipe 51 connects,
Supernatant outlet 5 ＇ in sedimentation device 54 ＇ is connected to detect the saturating of dyeing waste water supernatant transparent luminosity
Water inlet pipe 330 in photometric detector 3, the outlet 320 in transmittance detector 3 can be linked back and sample out
Water pipe 56.And precipitation extrusion 6 ＇ in sedimentation device 54 ＇ directly drains.
As follows for detecting the detection method of the transmittance detector of dyeing waste water transmittance:
1, control chamber 6 controls light source 34 and photoreceiver 35 is energized simultaneously and opens, water inlet pipe 330 lead to
Entering water sample, in detector, water sample is flowed out by outlet pipe 332 exit；
2, being passed through gases at high pressure in the second air inlet 312 and the first air inlet 311, gases at high pressure are by the
Two inlet channels 3121 are sprayed by the second gas outlet 3120, and gases at high pressure spray towards outlet pipe 332 outlet,
Gases at high pressure are utilized to push away in the dirts such as silt；Gases at high pressure are given vent to anger by first by the first inlet channel 3111
Mouth 3110 ejection, the water column that hydraulic pressure can spray to time too high light source 34 or photoreceiver 35 is pressed downward against,
Light source 34 or photoreceiver 35 is avoided to be infected with dirt and water stain；
3, light source 34 launches light to outlet pipe 332, and light completely penetrates through the water sample in outlet pipe 332,
And exposing on photoreceiver 35, photoreceiver 35 will transmit through the light of water sample and carries out intensity of illumination
Detection, converses the transmittance of water sample；
4, flowed to bottom lower cover 32 by the water sample flowed out in outlet pipe 332, and from the outlet 320 of bottom
Flow out, complete water quality transmittance detection process.
Therefore in terms of control, the above-mentioned dyeing waste water that sampling is come, first pass through sedimentation device precipitation, sedimentation
After supernatant send into for detecting the transmittance detector 3 of dyeing waste water supernatant transparent luminosity, the light of light source 34
Line is by first passing through the air in the first overboard gap, then passes through the water in outlet pipe 332, then printing opacity is crossed second and fallen
Air in water space, finally injects photoreceiver 35, and this structure is arranged can avoid outlet pipe 332 to go out
The water column come flows to light source 34 or photoreceiver 35, protection light source 34 and photoreceiver 35 exempt from water stain and
Dirt is infected with and is affected translucent effect, improves stability and the accuracy of detection.Above-mentioned photoreceiver 35 is
Becoming the signal of telecommunication to send the optical signal pick-up detected, the signal sent is typically direct and control chamber 6 coupling
The milliampere level signal of telecommunication.
Control chamber 6, according to the signal of telecommunication sent into, carries out feedback regulation to the first motor-operated control valve 7b, to adapt to
It is to judge its clarity by optical signal in sexually revising its aperture, i.e. transmittance detector 3, thus control chamber 6
The aperture of the first motor-operated control valve 7b is controlled so that decolorising agent addition is reasonable so that print according to clarity
Dye waste water is stablized at sedimentation tank, is fully flocculated.Specifically, light source 34 irradiates water pipe 332, if supernatant
Completely, then photoreceiver 35 receives stronger optical signal, if not flocculating or fully not flocculated in liquid flocculation
Entirely, photoreceiver 35 receives stronger optical signal and weakens.
Embodiment 2:
The present embodiment uses another kind of sedimentation device, such as Figure 16 with the present embodiment that differs only in of embodiment 1
Shown in, this sedimentation device includes that rectangular box 10 ＇ is fixed on the inwall of rectangular box 10 ＇ both sides with staggered
Multiple baffle plate 20 ＇ form, and rectangular box 10 ＇ one end is provided with oral siphon 40 ＇, the rectangular box 10 ＇ other end
Bottom be provided with precipitation extrusion 60 ＇, near the rectangular box 10 ＇ other end roof on offering supernatant
Liquid outlet 50 ＇, supernatant outlet 50 ＇ connect described for detecting dyeing waste water supernatant transparent luminosity
Water inlet pipe 330 in transmittance detector 3.Remaining repeats embodiment 1, repeats no more.
Claims (10)
1. a sewage treatment control system, it is characterised in that: include that water inlet segment (1), decolorising agent add dress
Put (7), flocculation aid adding apparatus (8), sewage pump (2), water pipeline, be used for detecting waste water and process and refer to
Target sampling detecting device (5), control chamber (6) and sedimentation tank (4), described water inlet segment (1) passes through
Sewage pump (2) connects water pipeline, and water pipeline end connects sedimentation tank (4)；Sewage pump (2) rear side
Water pipeline be provided with sample tap, sampling detecting device (5) is connected in described water pipeline by sample tap
Dyeing waste water；
Described decolorising agent adding apparatus (7) includes decolorising agent storage tank (7a) and the first motor-operated control valve (7b),
Decolorising agent storage tank (7a) bottom connects water inlet segment (1) by pipeline, and the first motor-operated control valve (7b) is pacified
It is contained on the pipeline between decolorising agent storage tank (7a) and water inlet segment (1)；
Described decolorising agent adding apparatus (7) is in flocculation aid adding apparatus (8) front side；
Described sampling detecting device (5) includes sampling water inlet pipe (51), being used for rejecting foreign material in dyeing waste water
Buffering filter (52) and for detecting the detection box (54) of dyeing waste water transmittance；Sampling water inlet pipe (51)
Outfan connects detection box (54), and described buffering filter (52) is arranged on taking of detection box (54) front side
On sample water inlet pipe (51)；
Described detection box (54) includes box body, is sequentially connected with the sedimentation device (54 ＇) of sampling water inlet pipe (51)
And for detecting the transmittance detector (3) of dyeing waste water supernatant transparent luminosity, sedimentation device (54 ＇) and
Transmittance detector (3) is all in box body；
The described transmittance detector (3) for detecting dyeing waste water supernatant transparent luminosity includes housing, light source
(34), (33) are threaded a pipe in photoreceiver (35) and the flowing for water sample circulation more；Described flowing manifold
Pipeline (33) includes outlet pipe (332) and water inlet pipe (330), water inlet pipe (330) and outlet pipe (332)
Being connected, outlet pipe (332) is the siphunculus that two ends are through, the light emission direction of light source (34), outlet pipe (332)
With photoreceiver (35) the most on the same line；Described light source (34) and outlet pipe (332) one end
Between leave the first overboard gap；Leave between the other end of photoreceiver (35) and outlet pipe (332)
Second overboard gap；The light of described light source (34) runs through in outlet pipe (332) and exposes to photosensitive reception
Device (35)；
Photoreceiver (35) gathers signal and inputs a signal into described control chamber (6), control chamber (6)
Signal connects and controls the first motor-operated control valve (7b)；
Described flocculation aid adding apparatus (8) includes flocculation aid storage tank (8a) and the second motor-operated control valve (8b),
Flocculation aid storage tank (8a) bottom connects water inlet segment (1) by pipeline, and the second motor-operated control valve (8b) is pacified
It is contained on the pipeline between flocculation aid storage tank (8a) and water inlet segment (1).
A kind of sewage treatment control system the most according to claim 1, it is characterised in that: described transmittance
Detector (3) also includes the second admission gear being located at enclosure interior, and the second admission gear includes the second air inlet
Mouth (312), the second inlet channel (3121) and the second gas outlet (3120), the second inlet channel (3121)
Connecting the second air inlet (312) and the second gas outlet (3120), the second air inlet (312) is positioned at outside housing
Wall, the second gas outlet (3120) are towards the exit of outlet pipe (332)；Housing bottom is additionally provided with for water sample
The outlet (320) flowed out.
A kind of sewage treatment control system the most according to claim 1, it is characterised in that: described sedimentation dress
Put (54 ＇) and include base plate (1 ＇), spiral roll bending (2 ＇), upper sealing plate (3 ＇) and side seal board (21 ＇),
Described spiral roll bending (2 ＇) longitudinal curl also forms helical duct (20 ＇), and described base plate (1 ＇) seals
Being fixed on the lower end of described spiral roll bending (2 ＇), upper sealing plate (3 ＇) seals and is fixed on described spiral volume
Plate (2 ＇) upper end, side seal board (21 ＇) longitudinal sealing spiral shell between base plate (1 ＇) and upper sealing plate (3 ＇)
Rotating roll bending (2 ＇) outer end, and helical duct outer end (20b ＇) is sealed；Described upper sealing plate (3 ＇) sets
The oral siphon (4 ＇) having connection helical duct center (20a ＇) is upper with connect helical duct (20 ＇) outer end
Clear liquid outlet (5 ＇)；Described side seal board (21 ＇) bottom is communicated with the heavy of helical duct (20 ＇) outer end
Shallow lake extrusion (6 ＇)；Supernatant outlet (5 ＇) is used for detecting dyeing waste water supernatant transparent luminosity described in connecting
Transmittance detector (3) in water inlet pipe (330).
A kind of sewage treatment control system the most according to claim 1, it is characterised in that: described sedimentation dress
Put (54 ＇) and include rectangular box and the staggered multiple baffle plates composition being fixed on the inwall of rectangular box both sides, institute
Stating rectangular box one end and be provided with oral siphon (4 ＇), the bottom of the rectangular box other end is provided with precipitation extrusion (6 ＇),
Supernatant outlet (5 ＇), supernatant outlet (5 ＇) is being offered on the roof of the rectangular box other end
Connect the water inlet pipe in the described transmittance detector (3) for detecting dyeing waste water supernatant transparent luminosity
(330)。
A kind of sewage treatment control system the most according to claim 1, it is characterised in that: described sampling inspection
Surveying device (5) and also include flocculant adding apparatus (53), flocculant adding apparatus (53) input connects
On the sampling water inlet pipe (51) of buffering filter (52) and detection box (54)；Described flocculant adds
Device (53) includes medicament blending bin (531), blender, water valve (535) and drug metering pump (534),
Described medicament blending bin (531) is located at sampling water inlet pipe (51) top, and blender is defeated by power invariability and energy
The motor (530) going out tach signal and stirring paddle (533) composition connecting motor (530) axle outfan,
Described motor (530) is in outside medicament blending bin and is arranged on medicament blending bin (531) top, stirring
Oar (533) is in inside medicament blending bin, and medicament blending bin (531) is provided with medicament and adds entrance, water filling
Mouth and confection delivery outlet (532), drug metering pump (534) connects medicament and adds entrance, water valve (535)
Connecting water filling port, confection delivery outlet (532) connects sampling water inlet pipe (51)；Described motor (530)
Signal connects control chamber (6), and control chamber (6) signal connects and controls described drug metering pump (534).
A kind of sewage treatment control system the most according to claim 1, described housing includes upper cover (31)
With lower cover (32), flowing is threaded a pipe (33) more, light source (34), photoreceiver (35) are located in upper cover
(31) and between lower cover (32)；It is internal that described second admission gear is positioned at upper cover (31)；Described upper cover
(31) being additionally provided with the first admission gear in, the first admission gear includes the first air inlet (311), first enters
Gas passage (3111) and two the first gas outlets (3110), the first air inlet (11) is led to by the first air inlet
Road (3111) is respectively communicated with two the first gas outlets (3110), said two the first gas outlet (3110) point
It is not positioned at light source (34) and the side at photoreceiver (35) place.
A kind of sewage treatment control system the most according to claim 6, it is characterised in that: light source (34)
Be equipped with set casing outside photoreceiver (35), the rounded tubular of described set casing, upper cover (31) and
Lower cover (32) be provided with for set casing install semi-circular groove, set casing lateral wall be additionally provided with fixing fin (340,
350), set casing by described fixing fin (340,350) be sandwiched in upper cover (31) and lower cover (32) it
Between.
A kind of sewage treatment control system the most according to claim 6, it is characterised in that: in described housing
Being additionally provided with increases flowing and threads a pipe the bracket (36) of (33) fixed effect more, and described bracket (36) includes holding in the palm
Platform (360) and frame plate (361), leave between frame plate (361) and lower cover (32) bottom and circulate for water sample
Passage, saddle (360) fixes with frame plate (361), and frame plate (361) is connected with lower cover (32),
Saddle (360) upper surface is provided with threads a pipe the groove of (33) mating shapes with described flowing more, and flowing is many
Thread a pipe (33) be fitted on described bracket (36) by described groove.
A kind of sewage treatment control system the most according to claim 8, it is characterised in that: described upper cover
(31) be additionally provided with present a theatrical performance as the last item on a programme (313) corresponding with described saddle (360) in, described in present a theatrical performance as the last item on a programme under (313)
Surface is provided with groove, and described groove and flowing (33) outer wall of threading a pipe agrees with mutually, flows and threads a pipe (33) more
It is embedded in saddle (360) and the groove presented a theatrical performance as the last item on a programme between (313).
10. according to a kind of sewage treatment control system described in claim 1 or 6, it is characterised in that: described
Flowing thread a pipe more (33) also include for scale remover inflow scale removal pipe (331), scale removal pipe (331)
Connecting with outlet pipe (332), water inlet pipe (330), flowing threads a pipe (33) in cross more.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610564331.7A CN106018353B (en) | 2016-07-14 | 2016-07-14 | Sewage treatment control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610564331.7A CN106018353B (en) | 2016-07-14 | 2016-07-14 | Sewage treatment control system |
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| CN106018353A true CN106018353A (en) | 2016-10-12 |
| CN106018353B CN106018353B (en) | 2018-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610564331.7A Active CN106018353B (en) | 2016-07-14 | 2016-07-14 | Sewage treatment control system |
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| CN109553216A (en) * | 2018-11-21 | 2019-04-02 | 刘兴海 | Remove the device of water pollutant |
| CN110702693A (en) * | 2019-10-25 | 2020-01-17 | 苏州国泰环境检测有限公司 | Printing and dyeing wastewater detection device and detection method thereof |
| CN117550698A (en) * | 2024-01-09 | 2024-02-13 | 国能龙源环保有限公司 | Waste water treatment equipment |
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|---|---|
| CN106018353B (en) | 2018-08-24 |
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