CN106018353B - Sewage treatment control system - Google Patents
Sewage treatment control system Download PDFInfo
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- CN106018353B CN106018353B CN201610564331.7A CN201610564331A CN106018353B CN 106018353 B CN106018353 B CN 106018353B CN 201610564331 A CN201610564331 A CN 201610564331A CN 106018353 B CN106018353 B CN 106018353B
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- water
- water inlet
- pipe
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- light transmittance
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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
-
- 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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- Hydrology & Water Resources (AREA)
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- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The present invention relates to a kind of processing control systems for dyeing and printing sewage materializing strategy.A kind of sewage treatment control system, including water inlet segment, decolorising agent adding apparatus, flocculation aid adding apparatus, sewage pump, water pipeline, the sampling detecting device for detecting wastewater treatment index, control cabinet and sedimentation basin, sampling detecting device includes sampling water inlet pipe, the detection box for rejecting the buffering filter of sundries in dyeing waste water and for detecting dyeing waste water light transmittance；Detection box includes box body, is sequentially connected the sedimentation device of sampling water inlet pipe and the light transmittance detector for detecting dyeing waste water supernatant transparent luminosity, and sedimentation device and light transmittance detector are in box body；Light transmittance detector includes that shell, light source, photoreceiver and the flowing circulated for water sample are threaded a pipe more.Using above-mentioned sample detection, then it is amplified to whole system, not only control system can be controlled more preferably, but also entire technical process can guarantee that dyeing waste water can be stablized, fully flocculate.
Description
Technical field
The invention belongs to sewage treatment fields, and system is controlled more particularly to a kind of processing for dyeing and printing sewage materializing strategy
System.
Background technology
China is maximum fabric clothing producting and exporting country in the world, therefore dyeing is closely bound up therewith, and
The discharge of wastewater of dyeing is that China causes one of key industry of water pollution, compared with other industry, dyeing waste water tool
There is the features such as wastewater discharge is big, and color is deep, and hardly degraded organic substance content is high, and water quality is unstable.
For the process problem of dyeing waste water, existing treatment technology mainly passes sequentially through materializing strategy, biochemical treatment pair
Treatment of dyeing wastewater reaches discharge standard to harmful substance of degrading.It is existing for the materializing strategy of current dyeing waste water
Materializing strategy process is completed by operator's manual operations substantially.Dyeing waste water is introduced into pond first, because of dyeing waste water
PH it is uncertain, therefore it is general first adjust pH to alkalinity with lime, add ferrous sulfate and flocculation sediment processing carried out to waste water.
Dyeing waste water pre-processing is needed according to visually judging whether occur fully flocculating, if not fully flocculation, just at present
Show that we go wrong in processing procedure Chinese medicine addition, is not adjusted in place.Under normal circumstances, pH is adjusted in 9-11
It can fully flocculate, supernatant is driven off by sedimentation basin.
For problem as above, notification number is that CN203238083U Chinese patents disclose a kind of automatic adjustment processing medicine
The treatment of dyeing wastewater equipment of dosage, but in actual process, be easy to since domestic pH meter is inserted into dyeing waste water
It is blocked by impurity, pH meter measured value and actual value is caused excessive deviation occur, cause control system unstable.Using import
PH also can only be temporarily accurately controlled, and pH controls are non-linear, it is difficult to it be made to maintain to stablize.
Certainly, the Chinese invention patent prospectus of Publication No. CN104034702A discloses a kind of for detecting
The detection box of dyeing waste water light transmittance, the detection box not only directly can carry out transmittancy inspection to the dyeing waste water entered in it
It surveys, measures the weak signal of light intensity as available control signal, the clarity of supernatant is isolated with expression, to be used for generation
Whether fully flocculate for eye-observation dyeing waste water.Control is just changed to light transmittance as control from pH value as control point in this way
Point.It is contemplated that the disclosed detection boxes of CN104034702A are when detecting, dyeing waste water is easy in light source and photoinduction element
Surface knot is dirty, leads to light transmittance and the dual decline of photoperceptivity, after a period of use, this detection box detection accuracy with
It is not fine in stability, but also there are problems such as durabilities, detachable maintaining is cumbersome, eventually leads to control system
It is unstable.
In addition, the detection box is also easy to fouling in use for some time, and influence entire stability of control system, resistance to
With an important reason of property.
Invention content
For the deficiency pointed by the prior art, it is good that goal of the invention of the invention is to provide a kind of materializing strategy effect
The core light transmittance detection of sewage treatment control system, this sewage treatment control system is highly stable accurate, will not only tie
Dirt, and the surface of light source and photoinduction element will not also tie dirt.
In order to achieve the above-mentioned object of the invention, present invention employs following technical schemes：
Sewage treatment control system, including water inlet segment, decolorising agent adding apparatus, flocculation aid adding apparatus, sewage pump, give
Waterpipe, the sampling detecting device for detecting wastewater treatment index, control cabinet and sedimentation basin, the water inlet segment pass through sewage
Pump connection water pipeline, water pipeline end connects sedimentation basin；Water pipeline on rear side of sewage pump is equipped with sample tap, sample detection
Device connects the dyeing waste water in the water pipeline by sample tap；
The decolorising agent adding apparatus includes decolorising agent storage tank and the first motor-operated control valve, and decolorising agent tank bottom passes through pipe
Road connects water inlet segment, and the first motor-operated control valve is mounted on the pipeline between decolorising agent storage tank and water inlet segment；
The decolorising agent adding apparatus is on front side of flocculation aid adding apparatus；
The sampling detecting device includes sampling water inlet pipe, buffering filter and use for rejecting sundries in dyeing waste water
In the detection box of detection dyeing waste water light transmittance；Water inlet pipe output end connecting detection box is sampled, the buffering filter setting exists
It detects on the sampling water inlet pipe on front side of box；
The detection box includes box body, is sequentially connected the sedimentation device of sampling water inlet pipe and for detecting dyeing waste water
The light transmittance detector of clear liquid light transmittance, sedimentation device and light transmittance detector are in box body；
It is described for detect the light transmittance detector of dyeing waste water supernatant transparent luminosity to include shell, light source, photosensitive reception
Device and the flowing circulated for water sample are threaded a pipe more；The flowing is threaded a pipe including outlet pipe and water inlet pipe, water inlet pipe and water outlet more
Pipe is connected, and outlet pipe is the siphunculus of both ends perforation, and light emission direction, outlet pipe and the photoreceiver of light source are substantially the same as always
On line；There are the first overboard gaps between the light source and outlet pipe one end；Between photoreceiver and the other end of outlet pipe
There are the second overboard gaps；The light of the light source is in outlet pipe and exposes to photoreceiver；
Photoreceiver acquires signal and the signal is input to the control cabinet, and control cabinet signal connects and controls the first electricity
Dynamic control valve；
The flocculation aid adding apparatus includes flocculation aid storage tank and the second motor-operated control valve, and flocculation aid tank bottom passes through pipe
Road connects water inlet segment, and the second motor-operated control valve is mounted on the pipeline between flocculation aid storage tank and water inlet segment.
Preferably, the light transmittance detector further includes the second admission gear for being located at enclosure interior, second into mechanism of qi
Structure includes the second air inlet, the second inlet channel and the second gas outlet, and the second inlet channel connection the second air inlet and second goes out
Gas port, the second air inlet are located at housing exterior walls, and the second gas outlet is towards the exit of outlet pipe；Housing bottom is additionally provided with for water sample
The water outlet of outflow.The high-speed flow that second gas outlet generates can blow the dirts such as the sticky mud in outlet pipe exit
It is dynamic, it moves it and sticky mud is avoided to be adhered to water outlet pipe surface, avoid outlet pipe exit scale formation, reduce cleaning time
Number extends maintenance cycle.
Preferably, the sedimentation device includes bottom plate, spiral roll bending, upper sealing plate and side seal board, the spiral volume
Plate longitudinal curl simultaneously forms helical duct, and the bottom plate sealing is fixed on the lower end of the spiral roll bending, and upper sealing plate sealing is solid
It is scheduled on the spiral roll bending upper end, spiral roll bending outer end of the side seal board longitudinal sealing between bottom plate and upper sealing plate, and is incited somebody to action
Helical duct outer end seals；The upper sealing plate is equipped with the oral siphon at connection helical duct center and is connected to the upper of helical duct outer end
Clear liquid water outlet；The side seal board bottom is equipped with the precipitation extrusion of connection helical duct outer end；Supernatant water outlet connects institute
State the water inlet pipe in the light transmittance detector for detecting dyeing waste water supernatant transparent luminosity.
Preferably, the sedimentation device includes rectangular box and is staggeredly fixed on multiple on the inner wall of rectangular box both sides
Baffle forms, and described rectangular box one end is equipped with oral siphon, and the bottom of the rectangular box other end is equipped with precipitation extrusion, close
Supernatant water outlet is offered on the roof of the rectangular box other end, the connection of supernatant water outlet is described for detecting dyeing waste water
Water inlet pipe in the light transmittance detector of supernatant transparent luminosity.
Preferably, the sampling detecting device further includes flocculant adding apparatus, flocculant adding apparatus input terminal connects
It is connected on the sampling water inlet pipe of buffering filter and detection box；The flocculant adding apparatus include medicament blending bin, blender,
Water valve and drug metering pump, the medicament blending bin are located above sampling water inlet pipe, and blender is by power invariability and can export turn
The motor of fast signal and the agitating paddle composition of connection motor shaft output, the motor are on the outside of medicament blending bin and are mounted on
At the top of medicament blending bin, agitating paddle is on the inside of medicament blending bin, and medicament blending bin is equipped with drug addition port, water filling port and mixes
Close medicament delivery outlet, drug metering pump connection drug addition port, water valve connect water filling port, confection delivery outlet connection sample into
Water pipe；The motor signal connects control cabinet, and control cabinet signal connects and controls the drug metering pump.
Preferably, the shell includes upper cover and lower cover, flowing is threaded a pipe more, light source, photoreceiver are located in
Between lid and lower cover；Second admission gear is located inside upper cover；Be additionally provided with the first admission gear in the upper cover, first into
Mechanism of qi structure includes that the first air inlet, the first inlet channel and two the first gas outlets, the first air inlet pass through the first inlet channel
Two the first gas outlets are respectively communicated with, described two first gas outlets are located at the side where light source and photoreceiver.
Preferably, being equipped with set casing outside light source and photoreceiver, the rounded tubular of set casing, upper cover is under
It is covered with the semi-circular groove installed for set casing, set casing lateral wall is additionally provided with fixed fin, and set casing passes through the fixation
Fin is sandwiched between upper cover and lower cover.
Preferably, being additionally provided with the bracket for increasing flowing fixed effects of threading a pipe in the shell, the bracket includes more
Saddle and frame plate, there are the channels circulated for water sample, saddle mutually to be fixed with frame plate between frame plate and lower cover bottom, frame plate and lower cover
Connection, pallet upper surface are equipped with the groove to match with the more siphunculus road shapes of flowing, and flowing threads a pipe by described recessed
Slot is fitted on the bracket.
Preferably, be additionally provided in the upper cover it is corresponding with the saddle present a theatrical performance as the last item on a programme, it is described present a theatrical performance as the last item on a programme lower surface be equipped with it is recessed
Slot, the groove mutually agree with more siphunculus pipeline outer walls are flowed, and flowing threads a pipe in the groove between being embedded at saddle and presenting a theatrical performance as the last item on a programme.
Preferably, it further includes the scale removal pipe for being useful for scale remover inflow, scale removal pipe and water outlet that the flowing is threaded a pipe more
Pipe, water inlet pipe connection, flowing threads a pipe in cross.
Compared with prior art, present invention employs above-mentioned technical proposal, advantage is as follows：
First, see on the whole, the processing unit that the present invention uses to existing treatment of dyeing wastewater flow and device into
Row improves again, first samples, and is then detected to sampling dyeing waste water, by the transmittancy of dyeing waste water supernatant, as
New control point is controlled, and is digital signal by the weak analog-signal transitions of light intensity, and neck is automatically controlled for entire dyeing waste water
Domain provides a new test point, is controlled so as to substitute pH, avoids the control point to pH parameters from controlling, not only may be used
To reduce cost but also the stability and durability of entire process control system can be improved, better control effect is provided.
Moreover, the structure setting of the light transmittance detector in the present invention is by light source, outlet pipe and photoreceiver
It is separately positioned so that there are the first overboard gaps between light source and outlet pipe one end；The other end of photoreceiver and outlet pipe
Between there are the second overboard gaps；The light of light source is by first penetrating the air in the first overboard gap, then through in outlet pipe
The air in the second overboard gap is crossed in water, then light transmission, finally injects photoreceiver, and this structure setting can be to avoid outlet pipe
Water column out flows to light source or photoreceiver, and light source and photoreceiver is protected to exempt from the contamination of water stain and dirt and influence saturating
Light effect improves the stability and accuracy of detection；Outlet pipe is that the siphunculus of both ends perforation not only makes outlet pipe be difficult to fouling
It blocks, but also reduces the cleaning frequency of the light transmittance detector to outlet pipe, while also extending making for light transmittance detector
With the service life, that is, improve durability.
Secondly, the adding medicine device in the present invention, selected the reversed correlation of rotating speed and the viscosity that motor exports as
Control principle is input to control from motor speed as point of penetration using the motor speed data of power invariability as acquisition signal
Device, controller control drug metering pump and water valve according to rotating speed, so that dosing and the amount formation balance for adding water, are come with this
It is constant to control drug concentration.This control method is at low cost, and effect is good, although opening control at the beginning has certain lag
Property, but it is good for the stability of the technology controlling and process of continuous work, drug concentration can be allowed to enter stable state quickly, control effect
It is good.
Thirdly, in further improvement of the present invention scheme use above two structure sedimentation device, wherein the first
It settles in structure, dyeing waste water enters from oral siphon, and by helical duct, helical duct has elongated the precipitation distance of dyeing waste water
And the time so that supernatant is easily separated from the supernatant water outlet of helical duct outer end upper end, and flocculent deposit is in spiral shell
The precipitation extrusion for revolving channel outer end bottom squeezes out, small, good separating effect, convenient for sample detecting well.Wherein second
In kind sedimentation structure, dyeing waste water enters from oral siphon, and by channel staggeredly, dyeing waste water has equally been elongated in channel staggeredly
Precipitation distance and the time, equally obtain said effect.
In short, using above-mentioned sample detection, then it is amplified to the control program that the control device of whole system carries out, not only control
System processed can be controlled more preferably, and entire technical process can guarantee that dyeing waste water can be stablized, fully flocculate, and complete at materialization
Reason.
Description of the drawings
Fig. 1：The structural schematic diagram of the embodiment of the present invention.
Fig. 2：The structural schematic diagram that sampling detecting device is connected with control cabinet signal in the embodiment of the present invention.
Fig. 3：The structural schematic diagram of detection box in the embodiment of the present invention for detecting dyeing waste water light transmittance.
Fig. 4：The dimensional structure diagram of sedimentation device in the embodiment of the present invention 1.
Fig. 5：The three-dimensional sectility schematic diagram of sedimentation device in the embodiment of the present invention 1.
Fig. 6：The structural schematic diagram of light transmittance detector in the embodiment of the present invention.
Fig. 7：The fractionation schematic diagram of light transmittance detector in the embodiment of the present invention.
Fig. 8：The principle schematic of light transmittance detector in the embodiment of the present invention.
Fig. 9：Superstructure schematic diagram in the embodiment of the present invention on the shell of light transmittance detector.
Figure 10：The first, second admission gear on upper lid on the shell of light transmittance detector in the embodiment of the present invention
Sectional view.
Figure 11：The internal structure of light transmittance detector in the embodiment of the present invention splits schematic diagram.
Figure 12：Circulation duct is mounted on the scheme of installation on bracket in light transmittance detector in the embodiment of the present invention.
Figure 13：Water sample detection is shown in outlet pipe when the second gas outlet is not ventilated in light transmittance detector in the embodiment of the present invention
It is intended to.
Figure 14：Water sample detection signal in outlet pipe when the second gas outlet is ventilated in light transmittance detector in the embodiment of the present invention
Figure.
Figure 15：The structural schematic diagram of flocculant adding apparatus in the embodiment of the present invention.
Figure 16：The structural schematic diagram of sedimentation device in the embodiment of the present invention 2.
Specific implementation mode
The present invention is described further below in conjunction with the accompanying drawings.
Embodiment 1：
A kind of processing unit for treatment of dyeing wastewater as shown in Figure 1, the processing unit use new-type detection
To dyeing waste water, whether muddiness is detected method, is used as control point by the light transmittance index of treated supernatant, therefore
Present invention improves over existing technique, the framework control system well on the basis of new treatment process.
Referring to shown in Fig. 1-15, which includes water inlet segment 1, decolorising agent adding apparatus 7, flocculation aid
Adding apparatus 8, sewage pump 2, water pipeline, the sampling detecting device 5 for detecting wastewater treatment index, control cabinet 6 and precipitation
Pond 4.Water inlet segment 1 connects water pipeline by sewage pump 2, and water pipeline end connects sedimentation basin 4, and what arrow was directed toward in figure is
Dyeing waste water (both sewage hereinafter) water (flow) direction.The driving of sewage pump 2 makes decolorising agent, flocculation aid, sewage three uniform
Mixing and fully reaction.The water pipeline of 2 rear side of sewage pump is equipped with sample tap, and sampling detecting device 5 connects institute by sample tap
State the dyeing waste water in water pipeline.It is one section of very long pipeline that water pipeline, which actually arrives sedimentation basin, general during secondary
Decolorising agent, flocculation aid, sewage three can be sufficiently mixed.And if sample position is too forward, is just difficult to ensure and is sufficiently mixed, and is
Sampling is avoided to go wrong.We will be connected with slosh pump on the probe tube between above-mentioned sample tap and sampling detecting device 5, stir
Decolorising agent, flocculation aid and sewage can be again sufficiently mixed by dynamic pump is being sent into sampling detecting device 5.Compared to before we utilize
For large-scale reaction tube makes decolorising agent, flocculation aid, sewage three be sufficiently mixed be, we only need to add on probe tube
The slosh pump of one very little, not only sampling are easier, but also ensure that the water sample of sampling is filled with decolorising agent, flocculation aid
Divide mixing, so as to subsequent detection.
As shown in Figure 1, above-mentioned decolorising agent adding apparatus 7 is in 8 front side of flocculation aid adding apparatus.Decolorising agent therein is added
Device 7 is made of decolorising agent storage tank 7a and the first motor-operated control valve 7b, and the bottoms decolorising agent storage tank 7a connect water inlet pipe by pipeline
Section 1, the first motor-operated control valve 7b are mounted on the pipeline between decolorising agent storage tank 7a and water inlet segment 1.
Above-mentioned flocculation aid adding apparatus 8 is made of 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 mounted between flocculation aid storage tank 8a and water inlet segment 1
On pipeline, the second motor-operated control valve 8b in flocculation aid adding apparatus 8 is based on flow control, enters according to dyeing waste water
Flow and positive correlation are added, and are the second motor-operated control valve 8b constant opening degrees when flow is constant.Be not shown in Fig. 1-8 flowmeter with
And flow signal is connected into control cabinet 6 by flowmeter, actually just has the flowmeter of connection control cabinet 6 in water inlet segment 1.
Shown in Figure 2, above-mentioned sampling detecting device 5 includes sampling water inlet pipe 51, for rejecting sundries in dyeing waste water
Buffering filter 52, flocculant adding apparatus 53, the detection box 54 for detecting dyeing waste water light transmittance and liquid collecting tank 57.It takes
Sample water inlet pipe 51 is made of 52 connecting detection box 54 of buffering filter, buffering filter 52 surge tank and filter screen, filtering
Net is located in surge tank, and detection 54 output end of box can directly exhaust dyeing waste water, and 56 He of sampling outlet pipe can also be arranged
Reflux pump 58, detection 54 output end of box connect sampling outlet pipe 56, the print that sampling outlet pipe 56 will have been detected by reflux pump 58
Dye waste water returns water pipeline.
53 input terminal of flocculant adding apparatus is connected on the sampling water inlet pipe 51 of buffering filter 52 and detection box 54, wadding
Solidifying agent does not change the clarity on sewage upper layer, and the solid granule rapid condensation of sewage is only accelerated its precipitation at bulky grain.
Shown in Figure 15, above-mentioned flocculant adding apparatus 53 includes medicament blending bin 531, blender, water valve 535 and medicine
Agent metering pump 534.Medicament blending bin 531 is located at 51 top of sampling water inlet pipe, and blender is by power invariability and can export rotating speed letter
Number motor 530 and connection 530 axis output end of motor agitating paddle 533 form.Motor 530 is in 531 outside of medicament blending bin
And mounted on 531 top of medicament blending bin, agitating paddle 533 is on the inside of medicament blending bin, and agitating paddle 533 connects 530 axis of motor
Output end.Above-mentioned 531 upper top of medicament blending bin is equipped with drug addition port, and upper lateral part is equipped with water filling port, and bottom is equipped with mixed
Medicament delivery outlet 532 is closed, drug metering pumps 534 output ends and connects drug addition port, and water valve 535 connects water filling port, confection
The connection sampling water inlet pipe 51 of delivery outlet 532.In order to preferably control the amount of flocculant addition, above-mentioned motor 530 passes through signal wire
60 connection control cabinets 6, and control cabinet 6 is connected by signal wire 60 and controls drug metering pump 534.
When control, calibration control rotating speed is in setting value, and determining setting value, steps are as follows：Because concentration and viscosity are proportionate pass
System, and the reversed correlativity of viscosity and resistance, input solid chemicals (flocculant) make target viscosities, it is assumed that measure and turn
Speed is 2000 turns/hour, then setting value had both been 2000 turns/hour.In the state of constant pressure and flow, if the drive of motor 530 is stirred
It is 3000 turns/hour to mix rotating speed of the paddle 533 in clear water, is switched on control cabinet 6 at this time and automatically controls, and starts to control drug metering
Pump 534 adding medicines, when rotating speed higher than 2000 turns/it is small when, illustrate water medium viscosity reduction, automatically engage solid chemicals (wadding
Solidifying agent) increase viscosity, when rotating speed 2000 turns/it is small when, stopping adds solid chemicals (flocculant)；When rotating speed less than 2000 turns/
Hour, it is opened by control cabinet 6 and controls water valve 535 and add water from water filling port.
It is shown in Figure 3, above-mentioned detection box 54 include box body, be sequentially connected sampling water inlet pipe 51 54 ＇ of sedimentation device with
And the light transmittance detector 3 for detecting dyeing waste water supernatant transparent luminosity, 54 ＇ of sedimentation device and light transmittance detector 3 are located
In box body.
Shown in Fig. 3, Fig. 4 and Fig. 5, the effect of 54 ＇ of sedimentation device is to isolate the solid rapid subsidence in sewage
Sewage supernatant carries out light transmittance detection convenient for the subsequent detection device for detecting dyeing waste water supernatant transparent luminosity,
Including 1 ＇ of bottom plate, 21 ＇ of 2 ＇ of spiral roll bending, 3 ＇ of upper sealing plate and side seal board.2 ＇ longitudinal curls of spiral roll bending, cross section are in mosquito
Fragrant shape spiral, 2 ＇ of spiral roll bending is interior to form 20 ＇ of helical duct, and 2 both ends ＇ of spiral roll bending flush.The 1 ＇ sealings of above-mentioned bottom plate are solid
It is scheduled on the lower end of 2 ＇ of spiral roll bending, the 2 detachable fixation in the lower ends ＇ of 1 ＇ of bottom plate and spiral roll bending, upper sealing plate 3 ＇ sealings
It is fixed on 2 upper ends ＇ of spiral roll bending, spiral roll bending 2 ＇ of the 21 ＇ longitudinal sealings of side seal board between 3 ＇ of 1 ＇ of bottom plate and upper sealing plate
Outer end, and helical duct outer end 20b ＇ are sealed.The center of 3 ＇ of upper sealing plate is equipped with 4 ＇ of oral siphon for being connected into dyeing waste water, enters
The one side edge of water pipe 4 ＇ connection helical ducts center 20a ＇, 3 ＇ of upper sealing plate are equipped with 5 ＇ of supernatant water outlet, supernatant water outlet
5 ＇ are connected to 20 outer ends ＇ of helical duct.21 bottoms ＇ of above-mentioned side seal board are equipped with 6 ＇ of precipitation extrusion of 20 outer ends ＇ of connection helical duct.
In order to preferably seal and fix, 21 ＇ of above-mentioned side seal board is linked together with 2 outer ends ＇ of spiral roll bending.
Refering to the light transmittance detector 3 for detecting dyeing waste water light transmittance shown in Fig. 6 to 14, it includes shell, light
Source 34, photoreceiver 35 and the flowing for water sample circulation thread a pipe 33 more.Wherein：
It 33 includes outlet pipe 332 and water inlet pipe 330 that flowing, which threads a pipe, and water inlet pipe 330 is connected with outlet pipe 332, goes out
Water pipe 332 is the siphunculus of both ends perforation, and light emission direction, outlet pipe 332 and the photoreceiver 35 of light source 34 are substantially the same as always
On line.There are the first overboard gaps between 332 one end of above-mentioned light source 34 and outlet pipe.Photoreceiver 35 and outlet pipe 332
There are the second overboard gaps between the other end.The light of above-mentioned light source 34 is in outlet pipe 332 and exposes to photoreceiver
35, above-mentioned enclosure interior is additionally provided with the second admission gear, and the second admission gear includes the second air inlet 312, the second inlet channel
3121 and second gas outlet 3120, the second inlet channel 3121 is connected to the second air inlet 312 and the second gas outlet 3120, second into
Gas port 312 is located at housing exterior walls, and the second gas outlet 3120 is towards the exit of outlet pipe 332.Housing bottom is additionally provided with for water sample
The water outlet 320 of outflow.
As shown in fig.7, shell includes upper cover 31 and lower cover 32, flowing thread a pipe 33, light source 34, photoreceivers 35 more
It is located between upper cover 31 and lower cover 32, the first, second admission gear is located inside upper cover 31, and 32 bottom of lower cover is additionally provided with water supply
The water outlet 320 of sample outflow.When carrying out the light transmission detection work of waste water light transmittance, upper cover 31 is mounted on lower cover 32, flowing
Thread a pipe 33, light source 34, photoreceivers 35 are installed in shell more, and on intimate straight line, and light source 34 is saturating
It crosses the circulation sewage for threading a pipe 33 li to react on photoreceiver 35 more, light transmittance analysis is carried out, to detect dyeing waste water
Light transmittance.
When detection, the first, second admission gear is arranged at 31 top of upper cover, with flowing 33 one-tenth certain angles of threading a pipe more
Degree, high pressure gas is passed through into the first air inlet 311 and the second air inlet 312, high pressure gas passes through the second inlet channel 3121
It is sprayed by the second gas outlet 3120, high pressure gas is exported towards outlet pipe to be sprayed, and the dirts such as silt are pushed away using high pressure gas and are fallen；
High pressure gas is sprayed by the first inlet channel 3111 by the first gas outlet 3110, sprays to light source or light when can be excessively high by hydraulic pressure
The water column of quick receiver is pressed downward, and light source or photoreceiver is avoided to be infected with dirt and water stain.
In use, the water outlet 320 of water sample outflow is located at the right side of lower cover 32 altogether, from bottom 10mm-15mm, water outlet
It is also equipped with valve at 320, is on the one hand conducive to the discharge after dyeing waste water has detected, on the other hand in turn avoids detecting
The spilling of dyeing and printing sewage in the process.
Refering to fig. 1 shown in 1, flowing threads a pipe 33 equipped with the scale removal pipe 331 flowed into for scale remover, scale removal pipe 331
It is connected to outlet pipe 332, water inlet pipe 330, flowing threads a pipe 33 in cross.Criss-cross design reduces line clogging
Probability.33 are threaded a pipe when flowing after a period of use more, inner pipeline plug plug or are carried out there are that when fouling, can be passed through scale remover
Internal incrustation is dissolved in scale removal, is fallen being pushed away the fouling products in scale removal pipe 331 by being passed through high pressure gas to air inlet, into
When row scale removal, water inlet pipe 330 is not intake.
As seen in figs. 7 and 11, it is equipped with set casing outside light source 34 and photoreceiver 35, the rounded tubular of set casing,
Be equipped with the semi-circular groove installed for set casing in upper cover 31 and lower cover 32, set casing lateral wall be additionally provided with fixed fin 340,
Fixed fin 350, set casing are stuck in by the fixed fin 340, fixed fin 350 in semi-circular groove, and 31 He of upper cover is clipped in
Between lower cover 32.It avoids in dyeing and printing sewage detection process, the rolling of flowing thread a pipe 33, light sources 34 and photoreceiver 35 more
The dynamic influence to testing result, and then improve the accuracy rate of testing result.
As shown in figure 12, in dyeing and printing sewage detection process, flowing threads a pipe and 33 is fixed on bracket 36, bracket
36 are made of saddle 360 and frame plate 361, and there are the channel circulated for water sample between 32 bottom of frame plate 361 and lower cover, channel can be with
It is arranged to the inclined that from left to right dips down, so that dyeing and printing sewage trickles at water outlet 320.Saddle 360 is solid with 361 phase of frame plate
It is fixed, it can be made up of welding, can also be connected by fastener.Frame plate 361 is connect with lower cover 32, and 360 upper surface of saddle is equipped with
It threads a pipe the groove that 33 shapes match with the flowing, flowing threads a pipe and 33 be fitted in the bracket by the groove more
On 36.
In use, be additionally provided in upper cover 31 it is corresponding with the saddle 360 present a theatrical performance as the last item on a programme 313,313 lower surfaces of presenting a theatrical performance as the last item on a programme are equipped with recessed
Slot, the groove mutually agree with more with flowing 33 outer walls of threading a pipe, flowing thread a pipe 33 be embedded at saddle 360 and present a theatrical performance as the last item on a programme 313 it
Between groove in, with ensure flowing thread a pipe 33 stability.
In use or cleaning process, upper cover 31, lower cover 32 on the light transmittance detector of detection dyeing waste water light transmittance
And flowing threads a pipe 33 detachably more, is conducive to detection and cleaning of the later stage to detector, improves making for light transmittance detector
With the service life, the use cost of enterprise is reduced.
54 ＇ of above-mentioned sedimentation device and the light transmittance detector for detecting dyeing waste water supernatant transparent luminosity has been described in detail
4 ＇ of oral siphon in 3,54 ＇ of above-mentioned sedimentation device is connected with the output end of sampling water inlet pipe 51, the supernatant in 54 ＇ of sedimentation device
Water inlet pipe 330 in light transmittance detector 3 of the 5 ＇ connections of water outlet for detecting dyeing waste water supernatant transparent luminosity, light transmittance inspection
The water outlet 320 surveyed in device 3 can be linked back sampling outlet pipe 56.And 6 ＇ of precipitation extrusion in 54 ＇ of sedimentation device is directly exhausted.
The detection method of light transmittance detector for detecting dyeing waste water light transmittance is as follows：
1, control cabinet 6 controls light source 34 and photoreceiver 35 while the opening that is powered, and water sample is passed through by water inlet pipe 330,
In detector, water sample is flowed out by 332 exit of outlet pipe；
2, high pressure gas is passed through into the second air inlet 312 and the first air inlet 311, high pressure gas is logical by the second air inlet
Road 3121 is sprayed by the second gas outlet 3120, and high pressure gas is exported towards outlet pipe 332 to be sprayed, and the dirts such as silt are utilized high pressure
Gas, which pushes away, to be fallen；High pressure gas is sprayed by the first inlet channel 3111 by the first gas outlet 3110, is sprayed when can be excessively high by hydraulic pressure
It is pressed downward to the water column of light source 34 or photoreceiver 35, light source 34 or photoreceiver 35 is avoided to be infected with dirt and water stain；
3, light source 34 emits light to outlet pipe 332, and light completely penetrates through the water sample in outlet pipe 332, and exposes to light
On quick receiver 35, photoreceiver 35 will transmit through the detection of the light progress intensity of illumination of water sample, converse the light transmission of water sample
Degree；
4,32 bottom of lower cover is flowed to by the water sample flowed out in outlet pipe 332, and is flowed out from the water outlet of bottom 320, it is complete
At water quality light transmittance detection process.
Therefore in control aspect, the above-mentioned dyeing waste water for carrying out sampling first passes through sedimentation device precipitation, the supernatant after sedimentation
Liquid is sent into the light transmittance detector 3 for detecting dyeing waste water supernatant transparent luminosity, and the light of light source 34 is by first penetrating first
The air in overboard gap, then cross the air in the second overboard gap, final incident light through the water in outlet pipe 332, then light transmission
Quick receiver 35, the water column that this structure setting can come out to avoid outlet pipe 332 flow to light source 34 or photoreceiver 35, protect
Shield light source 34 and photoreceiver 35 exempt from the contamination of water stain and dirt and influence translucent effect, improve the stability of detection and accurate
Property.Above-mentioned photoreceiver 35 is that the optical signal pick-up that will be detected is sent out at electric signal, the signal of submitting be typically directly and
6 matched milliampere grade electric signal of control cabinet.
Control cabinet 6 carries out feedback regulation according to the electric signal of feeding, to the first motor-operated control valve 7b, with adaptive change its
Aperture is to judge its clarity by optical signal that is, in light transmittance detector 3, to which control cabinet 6 controls the according to clarity
The aperture of one motor-operated control valve 7b so that decolorising agent addition is reasonable so that dyeing waste water is in sedimentation basin stabilization, fully flocculation.
Specifically, light source 34 irradiates outlet pipe 332, if supernatant flocculation is complete, photoreceiver 35 receives stronger light letter
Number, if not flocculating or not flocculating fully completely, photoreceiver 35, which receives stronger optical signal, to be weakened.
Embodiment 2：
The present embodiment differs only in the present embodiment using another sedimentation device with embodiment 1, as shown in figure 16, is somebody's turn to do
Multiple baffles 20 ＇ compositions that sedimentation device includes 10 ＇ of rectangular box and is staggeredly fixed on 10 both sides ＇ inner wall of rectangular box, square
10 one end ＇ of shape babinet is equipped with 40 ＇ of oral siphon, and the bottom of the 10 ＇ other ends of rectangular box is equipped with precipitation 60 ＇ of extrusion, close to square
50 ＇ of supernatant water outlet is offered on the roof of the 10 ＇ other ends of shape babinet, the 50 ＇ connections of supernatant water outlet are described for detecting
Water inlet pipe 330 in the light transmittance detector 3 of dyeing waste water supernatant transparent luminosity.Remaining repeats embodiment 1, repeats no more.
Claims (3)
1. a kind of sewage treatment control system, it is characterised in that：Including water inlet segment（1）, decolorising agent adding apparatus（7）, help it is solidifying
Agent adding apparatus（8）, sewage pump（2）, water pipeline, the sampling detecting device for detecting wastewater treatment index（5）, control cabinet
（6）And sedimentation basin（4）, the water inlet segment（1）Pass through sewage pump（2）Connect water pipeline, water pipeline end connection precipitation
Pond（4）；Sewage pump（2）The water pipeline of rear side is equipped with sample tap, sampling detecting device（5）It is connected by sample tap and described send water
Dyeing waste water in pipeline；
The decolorising agent adding apparatus（7）Including decolorising agent storage tank（7a）With the first motor-operated control valve（7b）, decolorising agent storage tank
（7a）Bottom connects water inlet segment by pipeline（1）, the first motor-operated control valve（7b）Mounted on decolorising agent storage tank（7a）And water inlet
Pipeline section（1）Between pipeline on；
The decolorising agent adding apparatus（7）It is in flocculation aid adding apparatus（8）Front side；
The sampling detecting device（5）Including sampling water inlet pipe（51）, buffering filter for rejecting sundries in dyeing waste water
（52）With the detection box for detecting dyeing waste water light transmittance（54）；Sample water inlet pipe（51）Output end connecting detection box（54）,
The buffering filter（52）Setting is in detection box（54）The sampling water inlet pipe of front side（51）On；
The detection box（54）Including box body, it is sequentially connected sampling water inlet pipe（51）Sedimentation device（54 ＇）And for detecting
The light transmittance detector of dyeing waste water supernatant transparent luminosity（3）, sedimentation device（54 ＇）With light transmittance detector（3）It is in box
In vivo；
The light transmittance detector for detecting dyeing waste water supernatant transparent luminosity（3）Including shell, light source（34）, photosensitive connect
Receive device（35）It threads a pipe with the flowing circulated for water sample more（33）；The flowing is threaded a pipe more（33）Including outlet pipe（332）With
Water inlet pipe（330）, water inlet pipe（330）With outlet pipe（332）It is connected, outlet pipe（332）For the siphunculus of both ends perforation, light source
（34）Light emission direction, outlet pipe（332）And photoreceiver（35）Substantially on the same line；The light source（34）With water outlet
Pipe（332）There are the first overboard gaps between one end；Photoreceiver（35）With outlet pipe（332）The other end between there are
Two overboard gaps；The light source（34）Light run through outlet pipe（332）It is interior and expose to photoreceiver（35）；
Photoreceiver（35）It acquires signal and the signal is input to the control cabinets（6）, control cabinet（6）Signal is connected and is controlled
First motor-operated control valve（7b）；
The flocculation aid adding apparatus（8）Including flocculation aid storage tank（8a）With the second motor-operated control valve（8b）, flocculation aid storage tank
（8a）Bottom connects water inlet segment by pipeline（1）, the second motor-operated control valve（8b）Mounted on flocculation aid storage tank（8a）And water inlet
Pipeline section（1）Between pipeline on；
The light transmittance detector（3）Further include the second admission gear for being located at enclosure interior, the second admission gear includes second
Air inlet（312）, the second inlet channel（3121）With the second gas outlet（3120）, the second inlet channel（3121）Connection second into
Gas port（312）With the second gas outlet（3120）, the second air inlet（312）Positioned at housing exterior walls, the second gas outlet（3120）Direction
Outlet pipe（332）Exit；Housing bottom is additionally provided with the water outlet flowed out for water sample（320）；
The sedimentation device（54 ＇）Including bottom plate（1 ＇）, spiral roll bending（2 ＇）, upper sealing plate（3 ＇）And side seal board（21 ＇）, described
Spiral roll bending（2 ＇）Longitudinal curl simultaneously forms helical duct（20 ＇）, the bottom plate（1 ＇）Sealing is fixed on the spiral volume
Plate（2 ＇）Lower end, upper sealing plate（3 ＇）Sealing is fixed on the spiral roll bending（2 ＇）Upper end, side seal board（21 ＇）Longitudinal sealing exists
Bottom plate（1 ＇）And upper sealing plate（3 ＇）Between spiral roll bending（2 ＇）Outer end, and by helical duct outer end（20b ＇）Sealing；It is described
Upper sealing plate（3 ＇）Equipped with connection helical duct center（20a ＇）Oral siphon（4 ＇）Be connected to helical duct（20 ＇）The supernatant of outer end
Liquid water outlet（5 ＇）；The side seal board（21 ＇）Bottom is equipped with connection helical duct（20 ＇）The precipitation extrusion of outer end（6 ＇）；On
Clear liquid water outlet（5 ＇）The connection light transmittance detector for detecting dyeing waste water supernatant transparent luminosity（3）In water inlet pipe
（330）.
2. a kind of sewage treatment control system according to claim 1, it is characterised in that：The sedimentation device（54 ＇）Packet
Include rectangular box and staggeredly be fixed on the inner wall of rectangular box both sides multiple baffles composition, described rectangular box one end be equipped with into
Water pipe（4 ＇）, the bottom of the rectangular box other end is equipped with precipitation extrusion（6 ＇）, on the roof close to the rectangular box other end
Offer supernatant water outlet（5 ＇）, supernatant water outlet（5 ＇）Connection is described for detecting dyeing waste water supernatant transparent luminosity
Light transmittance detector（3）In water inlet pipe（330）.
3. a kind of sewage treatment control system according to claim 1, it is characterised in that：The sampling detecting device（5）
It further include flocculant adding apparatus（53）, flocculant adding apparatus（53）Input terminal is connected to buffering filter（52）With detection box
（54）Sampling water inlet pipe（51）On；The flocculant adding apparatus（53）Including medicament blending bin（531）, blender, water valve
（535）It is pumped with drug metering（534）, the medicament blending bin（531）It is located at sampling water inlet pipe（51）Top, blender is by power
Motor constant and that tach signal can be exported（530）With connection motor（530）The agitating paddle of axis output end（533）Composition, it is described
Motor（530）It is on the outside of medicament blending bin and is mounted on medicament blending bin（531）Top, agitating paddle（533）It is mixed to be in medicament
On the inside of mould assembling, medicament blending bin（531）It is equipped with drug addition port, water filling port and confection delivery outlet（532）, drug metering
Pump（534）Connect drug addition port, water valve（535）Connect water filling port, confection delivery outlet（532）Connection sampling water inlet pipe
（51）；The motor（530）Signal connects control cabinet（6）, control cabinet（6）Signal connects and controls the drug metering pump
（534）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610564331.7A CN106018353B (en) | 2016-07-14 | 2016-07-14 | Sewage treatment control system |
Applications Claiming Priority (1)
| 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 CN106018353A (en) | 2016-10-12 |
| CN106018353B true CN106018353B (en) | 2018-08-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106909175B (en) * | 2017-04-26 | 2023-12-26 | 珠海九通水务股份有限公司 | Material level control system for water treatment and water treatment system |
| CN109553216B (en) * | 2018-11-21 | 2021-12-14 | 刘兴海 | Device for removing pollutants in water |
| CN110702693B (en) * | 2019-10-25 | 2022-02-15 | 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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| CN203238084U (en) * | 2013-05-26 | 2013-10-16 | 宣尧杭 | Device for treating printing and dyeing wastewater |
| CN105911027B (en) * | 2014-06-30 | 2018-07-20 | 宣尧杭 | A kind of detection box for detecting dyeing waste water light transmittance |
| CN104086025B (en) * | 2014-06-30 | 2015-05-06 | 宣尧杭 | Treatment device for treating printing and dyeing wastewater |
| CN104075910B (en) * | 2014-06-30 | 2016-06-08 | 宣尧杭 | A kind of for the sampling detecting device in printing and dyeing wastewater treatment system |
| CN206132613U (en) * | 2016-07-14 | 2017-04-26 | 宣尧杭 | Sewage treatment control system |
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