CN211999163U - Chemical sewage treatment system - Google Patents
Chemical sewage treatment system Download PDFInfo
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- CN211999163U CN211999163U CN201922375697.1U CN201922375697U CN211999163U CN 211999163 U CN211999163 U CN 211999163U CN 201922375697 U CN201922375697 U CN 201922375697U CN 211999163 U CN211999163 U CN 211999163U
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Abstract
The utility model discloses a chemical sewage treatment system. The utility model provides a chemical industry sewage treatment system, includes through sewage collection device, preceding processing apparatus, aftertreatment device, membrane filter equipment and the detection pond that the pipeline communicates in proper order, sewage collection device's sewage gets into in proper order and handles in preceding processing apparatus, aftertreatment device, membrane filter equipment and the detection pond, all is equipped with the pH detector that is used for detecting sewage pH value in sewage collection device and the preceding processing apparatus, and workshop sewer line directly communicates with preceding processing apparatus through the pipeline. The utility model discloses a chemical industry sewage treatment system, sewage treatment system is simple, convenient operation, carries out real-time supervision to the pH value of the sewage in sewage collection device and the preceding processing apparatus, is convenient for obtain sewage pH index in real time, can provide the guidance to sewage treatment process for sewage treatment is efficient, effectual, makes discharge to reach standard, practices thrift the cost.
Description
Technical Field
The utility model relates to a sewage treatment technical field especially relates to a chemical industry sewage treatment system.
Background
In the production process of sulfamic acid and sulfuric acid in a chemical plant, acidic wastewater and acidic solid dust can be generated, and the acidic solid dust in a plant area can be dissolved in rainwater, so that the initial rainwater in the plant area, the ground sanitary water in the plant area and the wastewater generated in a workshop need to be collected and treated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a chemical industry sewage treatment system that the processing accuracy is high, efficient to the above-mentioned not enough of current.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides a chemical industry sewage treatment system, includes through sewage collection device, preceding processing apparatus, aftertreatment device, membrane filter equipment and the detection pond that the pipeline communicates in proper order, sewage collection device's sewage gets into in proper order and handles in preceding processing apparatus, aftertreatment device, membrane filter equipment and the detection pond, all be equipped with the pH detector that is used for detecting sewage pH value in sewage collection device and the preceding processing apparatus, the workshop sewer line directly through the pipeline with preceding processing apparatus intercommunication.
Preferably, the pretreatment device comprises a pretreatment tank, a pH adjusting mechanism and a first aeration mechanism, wherein a flocculating agent is added into the pretreatment tank, the pH adjusting mechanism is used for adjusting the pH value of the sewage in the pretreatment tank, and the first aeration mechanism is used for introducing oxygen into the pretreatment tank.
Preferably, the pH adjusting mechanism comprises a liquid alkali tank, an alkali adding pipeline and an alkali adding pump, the liquid alkali tank is communicated with the pretreatment tank through the alkali adding pipeline, and the alkali adding pump is arranged on the alkali adding pipeline.
Preferably, the alkali adding pipeline is further provided with a valve and a flow detector, the valve is located on a pipeline section between the alkali adding pump and the pretreatment tank, and the flow detector is located on a pipeline section between the valve and the pretreatment tank.
Preferably, the post-treatment device comprises a post-treatment tank and a second aeration mechanism, and the second aeration mechanism is used for introducing oxygen into the post-treatment tank.
Preferably, the sewage treatment system further comprises a sludge discharge device, and the sludge discharge device is communicated with the bottom of the post-treatment tank through a pipeline.
Preferably, the sludge discharge device comprises a sludge discharge pump, and the sludge discharge pump is communicated with the bottom of the post-treatment tank through a pipeline.
Preferably, the sewage treatment system further comprises a detection mechanism for detecting the sewage in the detection tank.
Preferably, the detection mechanism comprises a COD detector, a BOD detector, a suspended matter detector and a pH detector.
The utility model discloses a chemical industry sewage treatment system, sewage treatment system is simple, convenient operation, carries out real-time supervision to the pH value of the sewage in sewage collection device and the preceding processing apparatus, is convenient for obtain sewage pH's index in real time, can provide the guidance to the sewage treatment process for sewage treatment is efficient, effectual, practices thrift the cost, can discharge to reach standard after the sewage treatment.
Drawings
FIG. 1 is a schematic flow chart of a chemical wastewater treatment system of the present invention.
The notation in the figure is:
1. a sewage collection device; 2. a pretreatment device; 21. a pretreatment tank; 22. a pH adjusting mechanism; 221. a liquid caustic soda box; 222. an alkali adding pipeline; 223. adding an alkali pump; 224. a valve; 225. a flow detector; 23. a first aeration mechanism; 3. a post-processing device; 31. a post-treatment tank; 32. a second aeration mechanism; 4. a membrane filtration device; 5. a detection cell; 6. a workshop sewage conduit; 7. a detection mechanism; 8. a pH detector; 9. a COD detector; 10. a BOD detector; 11. a suspended matter detector; 12. a sludge discharge device; 121. a sludge discharge pump.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1, the utility model discloses a chemical industry sewage treatment system, include the sewage collection device 1 that communicates in proper order through the pipeline, preceding processing apparatus 2, aftertreatment device 3, membrane filter equipment 4 and detection pond 5, sewage collection device 1's sewage gets into preceding processing apparatus 2 in proper order, aftertreatment device 3, handle in membrane filter equipment 4 and the detection pond 5, all be equipped with the pH detector 8 that is used for detecting sewage pH value in sewage collection device 1 and the preceding processing apparatus 2, workshop sewer line 6 directly communicates with preceding processing apparatus 2 through the pipeline.
The sewage collecting device 1 can be used for collecting initial rainwater of a factory and ground sanitary water of a workshop, the initial rainwater of the factory and the ground sanitary water of the workshop are generated discontinuously, the sewage collecting device 1 can be used for storing a certain volume of initial rainwater of the factory and the ground sanitary water of the workshop and then discharging sewage in the sewage collecting device 1 into the pretreatment device 2 for subsequent treatment, a pH detector 8 is arranged in the sewage collecting device 1 and used for detecting the pH value of the sewage in the sewage collecting device 1, the condition of the pH value of the sewage in the sewage collecting device 1 can be obtained and is helpful for guiding the alkali adding amount of the pretreatment device 2, acidic sewage in a sewage pipeline 6 of the workshop can directly enter the pretreatment device 2 through a pipeline for timely treatment, the sewage treatment efficiency is improved, a pH detector 8 is arranged in the pretreatment device 2 and used for detecting the pH value of the sewage in the pretreatment device 2, the condition of reaching the standard of the pH value of the sewage in the pretreatment device 2 can be known in real time.
The utility model discloses a chemical industry sewage treatment system, sewage treatment system is simple, convenient operation, carries out real-time supervision to the pH value of the sewage in sewage collection device and the preceding processing apparatus, is convenient for obtain sewage pH's index in real time, can provide the guidance to the sewage treatment process for sewage treatment is efficient, effectual, practices thrift the cost, can discharge to reach standard after the sewage treatment.
The type of the pretreatment device 2 can be various, and is not limited herein, in this embodiment, the pretreatment device 2 can include a pretreatment tank 21, a pH adjusting mechanism 22 and a first aeration mechanism 23, a flocculant can be added into the pretreatment tank 21, and the type of the flocculant can be various, in this embodiment, polyamide can be used as the flocculant, in another embodiment, ferrous sulfate can be used as the flocculant, in another embodiment, calcium carbide can be used as the flocculant, and the flocculant is used for aggregating suspended impurities containing iron, arsenic and the like in the sewage; the pH adjusting mechanism 22 is used for adjusting the pH value of the sewage in the pretreatment tank 21, the pH adjusting mechanism 22 has various structures, which are not limited herein, in this embodiment, the pH adjusting mechanism 22 may include a caustic soda tank 221, a caustic soda adding pipeline 222, and a caustic soda adding pump 223, the caustic soda tank is communicated with the pretreatment tank 21 through the caustic soda adding pipeline, the caustic soda adding pump 223 is disposed on the caustic soda adding pipeline, and transports the caustic soda in the caustic soda tank 221 to the pretreatment tank 21 to adjust the pH value of the sewage in the pretreatment tank 21; the alkali adding pipeline 222 may further be provided with a valve 224 and a flow detector 225, the valve 224 may be disposed on a pipeline section between the alkali adding pump 223 and the pretreatment tank 21, the flow detector 225 is disposed on a pipeline section between the valve 224 and the pretreatment tank 21 for detecting a flow rate of the alkali liquor in the alkali adding pipeline 222, and the flow rate of the alkali liquor in the alkali adding pipeline 222 may be controlled by controlling an opening degree of the valve 224 to achieve accurate metering and control of an addition amount of the alkali liquor, wherein the flow detector 225 may be a commercially available liquid flow meter, and the types thereof are various, and are not limited herein, and a flow meter of the type CKLDG may be used in this embodiment. The first aeration mechanism 23 can introduce oxygen into the front treatment tank 21, the structure of the first aeration mechanism 23 is various, and is not limited herein, in the embodiment, the first aeration mechanism 23 can comprise a fan and an aeration pipe, the aeration pipe can extend into the front treatment tank 21, the aeration pipe can be communicated with an air outlet of the fan through a pipeline, the fan conveys oxygen to the aeration pipe, then the oxygen enters the front treatment tank 21 to aerate the sewage therein, so as to reduce the COD and BOD content in the sewage, and the flocculant can be in full contact with suspended matters in the sewage.
The type of the post-treatment apparatus 3 may be various, and is not limited herein, in this embodiment, the post-treatment apparatus 3 may include a post-treatment tank 31 and a second aeration mechanism 32, the second aeration mechanism 32 feeds oxygen into the post-treatment tank 31, the second aeration mechanism 32 has various structures, in this embodiment, without limitation, the second aeration mechanism 32 may include a blower and an aeration pipe, the aeration pipe may extend into the pretreatment tank 21, the aeration pipe may be connected to an air outlet of the blower through a pipeline, the blower delivers oxygen to the aeration pipe, and then the oxygen enters the post-treatment tank 31, the sewage in the pretreatment tank 21 enters the post-treatment device 3, the flocculating agent further adsorbs suspended matters in the sewage to form flocculating constituents, and the flocculating constituents grow to a certain volume and then deposit at the bottom of the post-treatment tank 31 under the action of gravity.
The clear solution at the upper part of the post-treatment tank 31 flows into the membrane filtering device 4, the membrane filtering device 4 is used for deeply removing pollutants in the sewage, and the sediment at the bottom of the post-treatment tank 31 can be discharged through a pipeline.
The sewage treatment system can also comprise a sludge discharge device 12, wherein the sludge discharge device 12 can be communicated with the bottom of the post-treatment tank 31 through a pipeline to discharge sediment at the bottom of the post-treatment tank 31 so as to remove suspended matters in the wastewater. The sludge discharge device 12 may be of various types, and is not limited herein, and in this embodiment, the sludge discharge device 12 may include a sludge discharge pump 121, and the sludge discharge pump 121 is communicated with the bottom of the post-treatment tank 31 through a pipeline to pump out the sediment at the bottom of the post-treatment tank 31.
The sewage treatment system can also comprise a detection mechanism 7 for detecting the sewage in the detection pool 5, the type of the detection mechanism 7 can be various, and is not limited herein, in the embodiment, the detection mechanism 7 can comprise a COD detector 9, a BOD detector 10, a suspended matter detector 11 and a pH detector 8, and each index of the sewage is monitored.
Wherein COD detector 9, BOD detector 10, suspended solid detector 11 and pH detector 8 all can be the detector that can purchase on the market, and its model has a variety, do not do the restriction here, the embodiment of the utility model discloses can use the COD detector 9 that the model is COD-571, the BOD detector 10 that the model is LHB-50, the suspended solid detector 11 that the model is YA-S1000 and the pH detector 8 that the model is MIK-PH 160.
In the actual operation process of the sewage treatment system, sewage collected by a sewage collecting device 1 enters a pretreatment device 2, acidic sewage in a workshop sewage pipeline 6 directly enters the pretreatment device 2 through a pipeline, the pH value of the sewage in the pretreatment device 2 is adjusted by a pH adjusting mechanism 22, aeration treatment is carried out by a first aeration mechanism 23 and flocculation of a flocculating agent is carried out, then the sewage flows into a post-treatment device 3, the flocculating agent further adsorbs suspended matters in the sewage to form flocculating constituents, the flocculating constituents grow to a certain volume and are deposited at the bottom of a post-treatment tank 31 under the action of gravity, sediment at the bottom of the post-treatment tank 31 is discharged through a sludge discharge device 12, clear liquid at the upper part of the post-treatment tank 31 flows into a membrane filtering device 4 to deeply remove pollutants in the sewage, the sewage treated by the membrane filtering device 4 enters a detection tank 5, and various indexes of the treated sewage are detected in the detection tank 5, discharging after reaching the standard.
The above is not relevant and is applicable to the prior art.
Although certain specific embodiments of the present invention have been described in detail by way of illustration, it will be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the invention, which is to be construed as broadly as the present invention will suggest themselves to those skilled in the art to which the invention pertains and which is susceptible to various modifications or additions and similar arrangements to the specific embodiments described herein without departing from the scope of the invention as defined in the appended claims. It should be understood by those skilled in the art that any modifications, equivalent substitutions, improvements and the like made to the above embodiments according to the technical spirit of the present invention should be included in the scope of the present invention.
Claims (9)
1. The utility model provides a chemical industry sewage treatment system, its characterized in that includes through sewage collection device (1), preceding processing apparatus (2), aftertreatment device (3), membrane filter equipment (4) and detection pond (5) that the pipeline communicates in proper order, sewage of sewage collection device (1) gets into in proper order and handles in preceding processing apparatus (2), aftertreatment device (3), membrane filter equipment (4) and detection pond (5), all be equipped with pH detector (8) that are used for detecting sewage pH value in sewage collection device (1) and preceding processing apparatus (2), sewage workshop pipeline (6) directly through the pipeline with preceding processing apparatus (2) intercommunication.
2. The chemical wastewater treatment system according to claim 1, wherein the pretreatment device (2) comprises a pretreatment tank (21), a pH adjusting mechanism (22) and a first aeration mechanism (23), a flocculating agent is added into the pretreatment tank (21), the pH adjusting mechanism (22) is used for adjusting the pH value of the wastewater in the pretreatment tank (21), and the first aeration mechanism (23) is used for introducing oxygen into the pretreatment tank (21).
3. The chemical wastewater treatment system according to claim 2, wherein the pH adjusting mechanism (22) comprises a liquid caustic soda tank (221), a caustic soda adding pipeline (222) and a caustic soda adding pump (223), the liquid caustic soda tank (221) is communicated with the pretreatment tank (21) through the caustic soda adding pipeline (222), and the caustic soda adding pump (223) is arranged on the caustic soda adding pipeline (222).
4. The chemical wastewater treatment system according to claim 3, wherein a valve (224) and a flow detector (225) are further disposed on the alkali adding pipeline (222), the valve (224) is located on a pipeline section between the alkali adding pump (223) and the pretreatment tank (21), and the flow detector (225) is located on a pipeline section between the valve (224) and the pretreatment tank (21).
5. A chemical sewage treatment system according to claim 2, wherein the post-treatment device (3) comprises a post-treatment tank (31) and a second aeration means (32), and the second aeration means (32) feeds oxygen into the post-treatment tank (31).
6. The chemical wastewater treatment system according to claim 5, further comprising a sludge discharge device (12), wherein the sludge discharge device (12) is communicated with the bottom of the post-treatment tank (31) through a pipeline.
7. The chemical wastewater treatment system according to claim 6, wherein the sludge discharge device (12) comprises a sludge discharge pump (121), and the sludge discharge pump (121) is communicated with the bottom of the post-treatment tank (31) through a pipeline.
8. The chemical wastewater treatment system according to any of claims 1-7, further comprising a detection mechanism (7) for detecting wastewater in the detection tank (5).
9. A chemical sewage treatment system according to claim 8, wherein the detection means (7) comprises a COD detector (9), a BOD detector (10), a suspended matter detector (11) and a pH detector (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922375697.1U CN211999163U (en) | 2019-12-25 | 2019-12-25 | Chemical sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922375697.1U CN211999163U (en) | 2019-12-25 | 2019-12-25 | Chemical sewage treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211999163U true CN211999163U (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922375697.1U Active CN211999163U (en) | 2019-12-25 | 2019-12-25 | Chemical sewage treatment system |
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| Country | Link |
|---|---|
| CN (1) | CN211999163U (en) |
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- 2019-12-25 CN CN201922375697.1U patent/CN211999163U/en active Active
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Denomination of utility model: A Chemical Wastewater Treatment System Effective date of registration: 20230321 Granted publication date: 20201124 Pledgee: Bank of China Limited Qianjiang Branch Pledgor: QIANJIANG YUANDA CHEMICAL Co.,Ltd. Registration number: Y2023420000115 |