CN216997951U - Heavy metal-containing acid-base wastewater treatment system - Google Patents
Heavy metal-containing acid-base wastewater treatment system Download PDFInfo
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- CN216997951U CN216997951U CN202122970214.XU CN202122970214U CN216997951U CN 216997951 U CN216997951 U CN 216997951U CN 202122970214 U CN202122970214 U CN 202122970214U CN 216997951 U CN216997951 U CN 216997951U
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Abstract
The heavy metal-containing acid-base wastewater treatment system comprises an acid-base wastewater pool and is characterized in that the acid-base wastewater pool is communicated with an inlet of a filter through a pipeline, an outlet of the filter is communicated with an inlet of a centrifugal pump through a pipeline, an outlet of the centrifugal pump is communicated with an inlet A of an enamel reaction kettle and an inlet a of a batch treatment tank through a pipeline, and an outlet B of the enamel reaction kettle and an outlet B of the batch treatment tank are communicated with an inlet of a pneumatic diaphragm pump through a pipeline. The utility model discloses a wide to waste water treatment application scope, the processing of specially adapted acid-base waste water containing heavy metal has the effect of getting rid of good pH adjustment and heavy metal, has realized that the index meets the standard and discharges, is favorable to environmental protection and economic development.
Description
Technical Field
The utility model belongs to a wastewater treatment system, and particularly relates to a heavy metal-containing acid-base wastewater treatment system.
Background
With the development of the industrial field, the acid-base wastewater generated in industrial production contains more and more heavy metals, and the water contains heavy metals, acid-base waste liquid and the like, so that the water has high contents of pH, CODcr, SS, ammonia nitrogen and the like, and if the water is directly discharged into a sewage plant, the impact on the sewage plant is large, and the ecological environment is greatly threatened. Therefore, an own treatment system meeting the treatment requirements and having good pH adjustment and heavy metal removal effects is urgently needed in the field, and the standard emission of each index is realized, so that the coordinated development of the environment and the economy is promoted.
Disclosure of Invention
The utility model aims to solve the technical problems and provides a heavy metal-containing acid-base wastewater treatment system which is wide in application field and particularly suitable for treating heavy metal and slag, wherein the heavy metal-containing acid-base wastewater treatment system comprises a filter, an enamel reaction kettle, a batch treatment tank, dewatering equipment, a centrifugal pump, a plate-frame dewatering machine and the like.
The technical scheme adopted by the utility model for solving the technical problem is as follows: a heavy metal-containing acid-base wastewater treatment system comprises an acid-base wastewater pool, and is characterized in that the acid-base wastewater pool is communicated with an inlet of a filter by a pipeline, an outlet of the filter is communicated with an inlet of a centrifugal pump by a pipeline, an outlet of the centrifugal pump is respectively communicated with an inlet A of an enamel reaction kettle and an inlet a of a batch treatment tank by pipelines, and a valve II and a valve eighth are respectively arranged on the two pipelines; an outlet B of the enamel reaction kettle and an outlet B of the batch processing tank are respectively communicated with an inlet of the pneumatic diaphragm pump through a pipeline, and a valve IV and a valve VI are distributed on the pipeline; an inlet C of the enamel reaction kettle is communicated with a quicklime tank by a pipeline, a sulfuric acid tank is respectively connected with an inlet D of the enamel reaction kettle and an inlet D of the batch processing tank by pipelines, and a valve III and a valve I are respectively arranged on the pipelines; the outlet of the sodium hydroxide tank is respectively communicated with the inlet c of the batch processing tank and the inlet E of the enamel reaction kettle through pipelines, and a seventh valve and a fifth valve are respectively arranged on the pipelines; pipeline and sheet frame hydroextractor's entry intercommunication is used in the export of pneumatic diaphragm pump, and the export of sheet frame hydroextractor gets into one next process G.
The beneficial effects of the utility model are: the utility model discloses a wide to waste water treatment application scope, the processing of specially adapted acid-base waste water containing heavy metal has the effect of getting rid of good pH adjustment and heavy metal, has realized that the index meets the standard and discharges, is favorable to environmental protection and economic development.
Drawings
The following description will be made in detail by way of examples with reference to the accompanying drawings.
FIG. 1 is a system schematic diagram of a heavy metal-containing acid-base wastewater treatment system.
In the figure: 1-acid-base wastewater tank; 2-a filter; 3-a centrifugal pump; 4-enamel reaction kettle; 5-a quicklime tank; 6-sulfuric acid tank; 7-sodium hydroxide tank; 8-batch processing tank; 9-pneumatic diaphragm pump; 10-plate frame dehydrator; 01-valve one; 02-valve two; 03-valve three; 04-valve four; 05-valve five; 06-valve six; 07-valve seven; 08-valve eight.
Detailed Description
The embodiment refers to the attached drawings, a heavy metal-containing acid-base wastewater treatment system comprises an acid-base wastewater pool 1, and is characterized in that the acid-base wastewater pool 1 is communicated with an inlet of a filter 2 through a pipeline, an outlet of the filter 2 is communicated with an inlet of a centrifugal pump 3 through a pipeline, an outlet of the centrifugal pump 3 is respectively communicated with an inlet A of an enamel reaction kettle 4 and an inlet a of a batch treatment tank 8 through pipelines, and a valve II 02 and a valve eighth 08 are respectively arranged on the two pipelines; an outlet B of the enamel reaction kettle 4 and an outlet B of the batch processing tank 8 are respectively communicated with an inlet of the pneumatic diaphragm pump 9 through pipelines, and a valve four 04 and a valve six 06 are distributed on the pipelines; an inlet C of the enamel reaction kettle 4 is communicated with the quicklime tank 5 by a pipeline, a sulfuric acid tank 6 is respectively connected with an inlet D of the enamel reaction kettle 4 and an inlet D of the batch processing tank 8 by pipelines, and the pipelines are respectively provided with a valve III 03 and a valve I01; the outlet of the sodium hydroxide tank 7 is respectively communicated with the inlet c of the batch processing tank 8 and the inlet E of the enamel reaction kettle 4 by pipelines, and the pipelines are respectively provided with a valve seven 07 and a valve five 05; the outlet of the pneumatic diaphragm pump 9 is communicated with the inlet of the plate-frame dehydrator 10 through a pipeline, and the outlet of the plate-frame dehydrator 10 enters the next process G.
The design principle and the operation method of the utility model are as follows: the system fully utilizes the methods of materialization, acid-base neutralization and coagulating sedimentation to realize the pretreatment of wastewater containing heavy metal acid and alkali in a sequencing batch manner, the wastewater is conveyed to a plate-frame dehydrator 10 by a pneumatic diaphragm pump 9 for dehydration, and the dehydrated mud cake is externally conveyed to a safe landfill for solidification and landfill.
The operation method is that acid and alkali wastewater is sent into a filter tank 2 from an acid and alkali wastewater tank 1 through a pipeline, a centrifugal pump 3 is started and sent into an enamel reaction kettle 4 or a batch processing tank 8, and at the moment, the valve II 02 and the valve eight 08 are opened and closed to control the conveying; when sulfuric acid or sodium hydroxide needs to be conveyed into the enamel reaction kettle 4 or the batch processing tank 8 (according to the requirement of the property of the processed wastewater), the valves three 03, one 01, seven 07 and five 05 are opened or closed to control the conveying into the enamel reaction kettle 4 or the batch processing tank 8; after the sulfuric acid or the sodium hydroxide is added for reaction, a valve IV 04 or a valve VI 06 can be opened, the mixture is conveyed into a plate frame dehydrator 10 by a pneumatic diaphragm pump 9 for dehydration, the dehydrated mud cake F is buried, and the liquid is deeply treated in the next link G.
Claims (1)
1. A heavy metal-containing acid-base wastewater treatment system comprises an acid-base wastewater pool (1), and is characterized in that the acid-base wastewater pool (1) is communicated with an inlet of a filter (2) through a pipeline, an outlet of the filter (2) is communicated with an inlet of a centrifugal pump (3) through a pipeline, an outlet of the centrifugal pump (3) is respectively communicated with an inlet A of an enamel reaction kettle (4) and an inlet a of a batch treatment tank (8) through pipelines, and a valve II (02) and a valve eighth (08) are respectively arranged on the two pipelines; an outlet B of the enamel reaction kettle (4) and an outlet B of the batch processing tank (8) are respectively communicated with an inlet of the pneumatic diaphragm pump (9) through pipelines, and a valve IV (04) and a valve VI (06) are distributed on the pipelines; an inlet C of the enamel reaction kettle (4) is communicated with the quicklime tank (5) by a pipeline, a sulfuric acid tank (6) is respectively connected with an inlet D of the enamel reaction kettle (4) and an inlet D of the batch treatment tank (8) by pipelines, and a valve III (03) and a valve I (01) are respectively arranged on the pipelines; the outlet of the sodium hydroxide tank (7) is respectively communicated with the inlet c of the batch processing tank (8) and the inlet E of the enamel reaction kettle (4) through pipelines, and a valve seven (07) and a valve five (05) are respectively arranged on the pipelines; the outlet of the pneumatic diaphragm pump (9) is communicated with the inlet of the plate-frame dehydrator (10) through a pipeline, and the outlet of the plate-frame dehydrator (10) enters the next process G.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122970214.XU CN216997951U (en) | 2021-11-30 | 2021-11-30 | Heavy metal-containing acid-base wastewater treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122970214.XU CN216997951U (en) | 2021-11-30 | 2021-11-30 | Heavy metal-containing acid-base wastewater treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216997951U true CN216997951U (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202122970214.XU Active CN216997951U (en) | 2021-11-30 | 2021-11-30 | Heavy metal-containing acid-base wastewater treatment system |
Country Status (1)
| Country | Link |
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| CN (1) | CN216997951U (en) |
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2021
- 2021-11-30 CN CN202122970214.XU patent/CN216997951U/en active Active
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