CN102320704B - Comprehensive waste solution treatment device - Google Patents
Comprehensive waste solution treatment device Download PDFInfo
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- CN102320704B CN102320704B CN201110150412XA CN201110150412A CN102320704B CN 102320704 B CN102320704 B CN 102320704B CN 201110150412X A CN201110150412X A CN 201110150412XA CN 201110150412 A CN201110150412 A CN 201110150412A CN 102320704 B CN102320704 B CN 102320704B
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- 239000002699 waste material Substances 0.000 title claims abstract description 81
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000002351 wastewater Substances 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims description 73
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 48
- 239000010802 sludge Substances 0.000 claims description 40
- 238000001223 reverse osmosis Methods 0.000 claims description 26
- 239000012528 membrane Substances 0.000 claims description 21
- 238000002425 crystallisation Methods 0.000 claims description 17
- 230000008025 crystallization Effects 0.000 claims description 17
- 239000002912 waste gas Substances 0.000 claims description 17
- 239000001301 oxygen Substances 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000010248 power generation Methods 0.000 claims description 9
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 230000005518 electrochemistry Effects 0.000 claims 3
- 230000033228 biological regulation Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- 239000003344 environmental pollutant Substances 0.000 description 9
- 231100000719 pollutant Toxicity 0.000 description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 6
- 241000894006 Bacteria Species 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
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- 238000006243 chemical reaction Methods 0.000 description 4
- 150000007524 organic acids Chemical class 0.000 description 4
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- 239000011574 phosphorus Substances 0.000 description 4
- 208000005156 Dehydration Diseases 0.000 description 3
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- 230000018044 dehydration Effects 0.000 description 3
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- 239000007789 gas Substances 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
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- 238000004065 wastewater treatment Methods 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
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- 238000009713 electroplating Methods 0.000 description 2
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- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
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- 238000005842 biochemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
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- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 230000015784 hyperosmotic salinity response Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 231100001240 inorganic pollutant Toxicity 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a comprehensive waste solution treatment device. The comprehensive waste solution treatment device at least comprises a waste solution electrochemical pretreatment tank, a concentration adjusting tank, an anaerobic biochemical tank, an aerobic biochemical tank and an electrochemical treatment tank, wherein a water solution pipe is connected to the inlet of the waste solution electrochemical pretreatment tank; the waste water outlet of the waste solution electrochemical pretreatment tank is connected with the inlet of the concentration adjusting tank through a pipe; the inlet of the anaerobic biochemical tank is connected with the outlet of the concentration adjusting tank; the outlet of the anaerobic biochemical tank is connected with the inlet of the aerobic biochemical tank; and the outlet of the aerobic biochemical tank is connected with the inlet of the electrochemical treatment tank. According to the comprehensive waste solution treatment device provided by the invention, the goals of treating waste solution with low cost and high efficiency and furthest reducing the pollution of a water environment are achieved by comprehensive utilization of a water source, a heat source and energy.
Description
Technical Field
The invention relates to a sewage treatment device, in particular to a comprehensive waste liquid treatment device.
Background
The waste liquid comes from production and life of people, generally has small water quantity and high pollutant content, is difficult to carry out biochemical treatment and basically cannot be recycled. The method comprises leachate, sludge dehydration and biogas slurry generated by fermentation from urban refuse landfill plants, refuse incineration plants and refuse composting plants; from industrial production such as: waste liquids from oil refining, petrochemical, electrical, pharmaceutical, pesticide, electroplating, printed circuit boards, and other chemical industries. Mainly comprises the following steps: waste alkali liquor, waste liquid medicine, desulfurization waste liquid, electroplating waste liquid and the like. Generally, the conductivity is 10-150 mSiemens/cm, the chemical oxygen demand is 500-250,000 mg/L, and the ammonia nitrogen is 1,000-150,000 mg/L. The waste liquid is characterized by containing high molecular toxic and harmful substances, and components which have obvious inhibition on the biochemical reaction of microorganisms, such as high salinity, high ammonia nitrogen and the like. Such waste streams are typically characterized by difficulty or inability to directly degrade contaminants using conventional wastewater treatment processes. The processes commonly used at present are expensive processes such as evaporation, incineration, wet oxidation, etc. which require high temperature and high pressure and a large amount of energy for degradation.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a comprehensive waste liquid treatment device to reduce or avoid the aforementioned problems.
The comprehensive waste liquid treatment device at least comprises a waste liquid electrochemical pretreatment tank, a concentration regulation tank, an anaerobic biochemical tank, an aerobic biochemical tank and an electrochemical treatment tank, wherein a waste liquid pipeline is connected to an inlet of the waste liquid electrochemical pretreatment tank, a waste water outlet of the waste liquid electrochemical pretreatment tank is connected with an inlet of the concentration regulation tank through a pipeline, an inlet of the anaerobic biochemical tank is connected with an outlet of the concentration regulation tank, an outlet of the anaerobic biochemical tank is connected with an inlet of the aerobic biochemical tank, and an outlet of the aerobic biochemical tank is connected with an inlet of the electrochemical treatment tank.
Preferably, the comprehensive waste liquid treatment device further comprises a high-pressure reverse osmosis membrane treatment tank with the operating pressure of 7-20 MPa and a crystallization tank, wherein an inlet of the high-pressure reverse osmosis membrane treatment tank is connected with an outlet of the aerobic biochemical pool, a first outlet of the high-pressure reverse osmosis membrane treatment tank is connected with an inlet of the electrochemical treatment tank, and an inlet of the crystallization tank is connected with a second outlet of the high-pressure reverse osmosis membrane treatment tank.
Preferably, the comprehensive waste liquid treatment device further comprises a sludge treatment device, and sludge outlets of the anaerobic biochemical tank and the aerobic biochemical tank are respectively connected with the sludge treatment device.
Preferably, a wastewater outlet of the sludge treatment equipment is connected to a water replenishing port of the concentration adjusting tank through a pipeline.
Preferably, the waste liquid comprehensive treatment device further comprises a steam boiler, and the methane waste gas outlet of the anaerobic biochemical tank and the methane waste gas outlet of the sludge treatment equipment are respectively connected to a combustion furnace of the steam boiler through pipelines.
Preferably, a steam outlet of the steam boiler is respectively connected to the crystallization tank, the anaerobic biochemical tank and the aerobic biochemical tank through pipelines.
Preferably, the waste liquid comprehensive treatment device further comprises a thermal power generation mechanism, and a methane waste gas outlet of the anaerobic biochemical pool and a methane waste gas outlet of the sludge treatment equipment are respectively connected to the thermal power generation mechanism through pipelines.
According to the comprehensive waste liquid treatment device provided by the invention, the purposes of treating waste liquid at low cost and high efficiency and reducing the pollution of a water environment to the maximum extent are achieved by comprehensively utilizing a water source, a heat source and energy, and the problems of difficult biochemical treatment, high treatment cost, high investment and huge energy consumption of the current waste liquid are solved.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein,
FIG. 1 is a schematic view showing a configuration of an integrated waste liquid treatment apparatus according to an embodiment of the present invention;
FIG. 2 shows a modified embodiment based on FIG. 1;
FIG. 3 shows a modified embodiment based on FIG. 2;
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings. In which like parts are designated by like reference numerals and the arrows in the figures are used to indicate the direction of transport of the gas, liquid or solid-liquid mixture in the pipe.
FIG. 1 is a schematic view showing a configuration of an integrated waste liquid treatment apparatus according to an embodiment of the present invention; the integrated waste liquid treatment device 1 as shown in the figure at least comprises a waste liquid electrochemical pretreatment tank 11, a concentration regulation tank 12, an anaerobic biochemical tank 13A, an aerobic biochemical tank 13B and an electrochemical treatment tank 14, wherein a waste liquid pipeline 2 is connected to an inlet 111 of the waste liquid electrochemical pretreatment tank 11, a waste water outlet 112 of the waste liquid electrochemical pretreatment tank 11 is connected with an inlet 121 of the concentration regulation tank 12 through a pipeline, an inlet of the anaerobic biochemical tank 13A is connected with an outlet 122 of the concentration regulation tank 12, an outlet of the anaerobic biochemical tank 13A is connected with an inlet of the aerobic biochemical tank 13B, and an outlet of the aerobic biochemical tank 13B is connected with an inlet 141 of the electrochemical treatment tank 14.
In the electrochemical pretreatment tank 11 for waste liquid, after various waste liquids from production and living in the waste liquid pipeline 2 are mixed and homogenized, pollutants in the waste liquid can be oxidized by using a strong oxidant capable of generating a large amount of hydroxyl radicals, and the hydroxyl radicals can directly oxidize organic matters to generate carbon dioxide and water, and the reaction formula is as follows: (HO.) + organic matter → CO2+ H2O + H- + e-, the reaction can also indirectly react to generate hydrogen peroxide, and strong oxidants such as ozone and the like synchronously degrade pollutants. The waste liquid electrochemical pretreatment tank 11 decomposes high-molecular organic matter which is difficult to degrade into substances which are easy to degrade, and simultaneously decomposes inorganic pollutants such as ammonia nitrogen, sulfide and the like, thereby improving the biodegradability of the waste liquid. The electrochemical treatment method used in the present invention is well known in the art and will not be described in detail herein. The technical contents related to the electrochemical treatment method can be referred to the description in US5,399,247A.
The waste liquid treated by the waste liquid electrochemical pretreatment tank 11 is conveyed from the waste water outlet 112 of the waste liquid electrochemical pretreatment tank 11 to the inlet 121 of the concentration adjusting tank 12 through a pipeline, in the concentration adjusting tank 12, the pH value of the waste liquid can be adjusted to be neutral by adding acid or alkali, and meanwhile, dilution water can be added to control the salt content of the waste liquid to be below 5%, so that the comprehensive waste liquid treated by the waste liquid electrochemical pretreatment tank 11 is adjusted to be suitable for subsequent biochemical treatment.
In order to effectively remove the biochemical oxygen demand in the comprehensive waste liquid treated by the concentration regulation tank 12 and remove ammonia nitrogen, phosphorus and other pollutants, the anaerobic biochemical tank 13A and the aerobic biochemical tank 13B can further utilize microorganisms to degrade organic pollutants, so that the organic pollutants are metabolized by saprophytic bacteria and converted into organic acid, and then the organic acid can be degraded into methane and carbon dioxide through methane bacteria to remove the biochemical oxygen demand in the comprehensive waste liquid treated by the concentration regulation tank 12, and simultaneously, the ammonia nitrogen, phosphorus and other pollutants can be removed.
The anaerobic biochemical pool 13A can convert the chemical oxygen demand into renewable energy methane gas, and the aerobic biochemical pool 13B can further remove pollutants such as the chemical oxygen demand and ammonia nitrogen.
The anaerobic biochemical tank 13A can use anaerobes cultured by salt tolerance, the highest reaction efficiency can be achieved when the temperature of anaerobic ammoxidation is 30 ℃,1 kg of COD can be converted into methane gas of 0.35-0.4m3, and the waste liquid treated by the anaerobic biochemical tank 13A is conveyed to the aerobic biochemical tank 13B through a pipeline.
The aerobic biochemical pool 13B may include activated sludge, or may include a fixed bed/fluidized bed biofilm, and may treat the waste liquid treated by the anaerobic biochemical pool 13A and containing less than 5% of salt, and may reach a pollutant degradation rate of 90%. The related technical contents of the biochemical pond can refer to the article published in environmental science 29 volume 12 (3342 and 3347) of 2008, Pengyun, and the like, the discovery, the proposal and the theoretical basis of the low dissolved oxygen sludge micro-expansion energy-saving theory and method, or the article published in Chinese water supply and drainage 24 volume 5 (22-26), the article published in Wang Lei, and the like, the article of low-oxygen contact oxidation/micro-aeration artificial wetland process for purifying polluted river water.
The waste liquid treated by the aerobic biochemical tank 13B can be conveyed into the electrochemical treatment tank 14 through a pipeline through an inlet 141 of the electrochemical treatment tank 14, the electrochemical treatment tank 14 can be further oxidized, the electrochemical treatment tank 14 can use a strong oxidant capable of generating a large amount of hydroxyl radicals to oxidize pollutants in the comprehensive waste liquid treated by the anaerobic biochemical tank 13A and the aerobic biochemical tank 13B so as to degrade the pollutants, and a chemical phosphorus removal device can be integrated for degrading the phosphorus element content in the comprehensive waste liquid treated by the anaerobic biochemical tank 13A and the aerobic biochemical tank 13B so as to enable the treated waste liquid to reach the standard and be discharged.
Fig. 2 shows a modified example based on fig. 1, and as shown in fig. 2, in the integrated waste liquid treatment apparatus 1 shown in fig. 2, based on the example shown in fig. 1, the integrated waste liquid treatment apparatus 1 further comprises a high pressure reverse osmosis membrane treatment tank 15 and a crystallization tank 16, an inlet 151 of the high pressure reverse osmosis membrane treatment tank 15 is connected with an outlet of the aerobic biochemical pool 13B, a first outlet 152 of the high pressure reverse osmosis membrane treatment tank 15 is connected with an inlet 141 of the electrochemical treatment tank 14, and an inlet 161 of the crystallization tank 16 is connected with a second outlet 153 of the high pressure reverse osmosis membrane treatment tank 15.
The operation pressure of the high-pressure reverse osmosis membrane treatment tank 15 is 7-20 MPa, and the high-pressure reverse osmosis membrane treatment tank can be used for further concentrating the waste liquid treated by the anaerobic biochemical tank 13A and the aerobic biochemical tank 13B at high pressure to form high-salt waste water with the conductivity of more than 100 milliSiemens/cm, so that the high-salt waste water can reach the standard of entering the crystallization tank 16.
The high-pressure reverse osmosis concentrated wastewater generated by the high-pressure reverse osmosis membrane treatment tank 15 can enter the crystallization tank 16 through the second outlet 153 of the high-pressure reverse osmosis membrane treatment tank 15 through the inlet 161 of the crystallization tank 16, the forced circulation flow rate of the high-pressure reverse osmosis concentrated wastewater in the crystallization tank 16 is 1-3 m/s, the high-pressure reverse osmosis concentrated wastewater is evaporated and crystallized in the circulation process, so that solid waste capable of being fully filled and treated is obtained, and the evaporated water can be discharged into municipal or industrial reclaimed water pipelines as cooling water, cleaning water, boiler water and other high-quality reclaimed water.
The high-pressure reverse osmosis membrane treatment tank 15 can also convey the purified and filtered wastewater to the inlet 141 of the electrochemical treatment tank 14 through the first outlet 152 thereof, and the wastewater is treated by the electrochemical treatment tank 14 and then is discharged after reaching the standard.
In another embodiment, when the integrated waste water treatment apparatus 1 is used for waste water zero emission treatment, the waste water purified and filtered by the high-pressure reverse osmosis membrane treatment tank may be transported to the concentration regulation tank 12 through a pipeline to be used as regulation water, if the high-pressure reverse osmosis concentrated waste water generated by the high-pressure reverse osmosis membrane treatment tank 15 does not meet the water inlet standard of the crystallization tank 16, the waste water may be transported to the electrochemical treatment tank 14 through a pipeline, and the waste water is treated by the electrochemical treatment tank 14 to reach the water inlet standard of the crystallization tank 16 and then transported to the crystallization tank 16 through a pipeline to be evaporated and crystallized, so that solid waste capable of being used for filling treatment is finally generated, and waste water zero emission treatment is realized.
The reverse osmosis membrane used in the present invention may be any commercially available one, and its structure and principle are well known and will not be described in detail. Reference may be made to the description in US5,250,185 a or US6,537,456B2 for technical content relating to reverse osmosis membranes.
The rest of the embodiment shown in fig. 2 is identical to the embodiment shown in fig. 1, and is not described again.
Fig. 3 shows a modified example based on fig. 2, and as shown in fig. 3, based on the example shown in fig. 2, the integrated waste liquid treatment apparatus 1 shown in fig. 3 further comprises a sludge treatment device 17, and the sludge outlet 131 of the anaerobic biochemical tank 13A and the sludge outlet 132 of the aerobic biochemical tank 13B are respectively connected to the sludge treatment device 17.
Sludge generated in the waste water treatment process in the anaerobic biochemical tank 13A and the aerobic biochemical tank 13B is conveyed to the inlet 171 of the sludge treatment device 17 through the sludge outlet 131 of the anaerobic biochemical tank 13A and the sludge outlet 132 of the aerobic biochemical tank 13B via pipelines, and enters the sludge treatment device 17 for further dehydration treatment. The sludge treatment equipment 17 can comprise a medium temperature digestion tank, organic matters in the sludge are metabolized by saprophytic bacteria under the condition of isolating oxygen in the medium temperature digestion tank and are converted into organic acid, then anaerobic methane bacteria degrade the organic acid into methane and carbon dioxide, and the temperature in the whole process is controlled to be 33-35 ℃, so that the organic matters in the sludge can be converted into more stable substances by utilizing the action of microorganisms.
The sludge treatment plant 17 may also include a mechanical dewatering device that further reduces the moisture content of the sludge so that the dewatered dry sludge can be further processed by means of solids landfills and the like.
In a preferred embodiment, the waste water outlet 172 of the sludge treatment device 17 is connected to the water replenishing port 123 of the concentration adjusting tank 12 through a pipeline. The wastewater generated by the sludge treatment device 17 during the dehydration treatment of the sludge can be connected to the water replenishing port 123 of the concentration regulation tank 12 through a pipeline via the wastewater outlet 172 of the sludge treatment device 17, so that the wastewater generated by the sludge treatment device 17 can be further utilized as the neutralization water of the concentration regulation tank 12.
The rest of the embodiment shown in fig. 3 is identical to the embodiment shown in fig. 2, and is not described again.
In another embodiment, the integrated waste liquid treatment apparatus 1 may further include a steam boiler, and the methane waste gas outlet of the anaerobic biochemical tank 13A and the methane waste gas outlet of the sludge treatment device 17 are respectively connected to a combustion furnace of the steam boiler through pipes.
As for the methane waste gas generated during the operation of the anaerobic biochemical tank 13A and the sludge treatment apparatus 17, the methane waste gas may be connected to a combustion furnace of the steam boiler through a methane waste gas outlet of the anaerobic biochemical tank 13A and a methane waste gas outlet of the sludge treatment apparatus 17 by pipes, respectively, and as fuel, heat may be provided to the steam boiler after combustion, so that the steam boiler may generate steam.
In another embodiment, the steam outlets of the steam boilers are respectively connected to the crystallization tank 16, the anaerobic biochemical tank 13A and the aerobic biochemical tank 13B through pipes. 1-5.4 MPa steam can be generated by the steam boiler, and the steam boiler can convey the 1 MPa steam generated by the steam boiler to the crystallization tank 16 so as to facilitate the evaporative crystallization of the high-pressure reverse osmosis concentrated wastewater in the crystallization tank 16; the steam boiler can also deliver the steam generated by the steam boiler to the anaerobic biochemical tank 13A and the aerobic biochemical tank 13B, so as to adjust the temperature in the anaerobic biochemical tank 13A and the aerobic biochemical tank 13B to keep the temperature environment capable of achieving the highest reaction efficiency.
In another embodiment, the integrated waste liquid treatment apparatus 1 further includes a thermal power generation mechanism, and the methane waste gas outlet of the anaerobic biochemical tank 13A and the methane waste gas outlet of the sludge treatment device 17 are respectively connected to the thermal power generation mechanism through pipelines.
The methane waste gas generated by the anaerobic biochemical tank 13A and the sludge treatment device 17 during operation can be transported to the thermal power generation mechanism via a pipeline, and methane is provided as fuel for the thermal power generation mechanism. The electric energy generated by the thermal power generation mechanism provides power for the comprehensive waste liquid treatment device 1.
According to the comprehensive waste liquid treatment device provided by the invention, the purposes of treating waste liquid at low cost and high efficiency and reducing the pollution of a water environment to the maximum extent are achieved by comprehensively utilizing a water source, a heat source and energy, and the problems of difficult biochemical treatment, high treatment cost, high investment and huge energy consumption of the current waste liquid are solved.
It should be appreciated by those of skill in the art that while the present invention has been described in terms of several embodiments, not every embodiment includes only a single embodiment. The description is given for clearness of understanding only, and it is to be understood that all matters in the embodiments are to be interpreted as including technical equivalents which are related to the embodiments and which are combined with each other to illustrate the scope of the present invention.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent alterations, modifications and combinations can be made by those skilled in the art without departing from the spirit and principles of the invention.
Claims (6)
1. The utility model provides a waste liquid integrated treatment device, waste liquid integrated treatment device includes waste liquid electrochemistry preliminary treatment pond, concentration control jar, an anaerobism biochemical pool, an good oxygen biochemical pool and electrochemical treatment groove at least, wherein, the waste liquid pipeline inserts the entry of waste liquid electrochemistry preliminary treatment pond, the waste water export of waste liquid electrochemistry preliminary treatment pond pass through the pipeline with the entry linkage of concentration control jar, the entry of anaerobism biochemical pool with the export of concentration control jar links to each other, the exit linkage of anaerobism biochemical pool the entry of good oxygen biochemical pool, the exit linkage of good oxygen biochemical pool the entry of electrochemical treatment groove, its characterized in that, waste liquid integrated treatment device further includes high pressure reverse osmosis membrane treatment jar, the crystallizer that operating pressure is 7-20 megapascals, the entry of high pressure reverse osmosis membrane treatment jar with the exit linkage of good oxygen biochemical pool, the first exit linkage of high pressure reverse osmosis membrane treatment tank the entry of electrochemical treatment groove, the entry of crystallizer with the second exit linkage of high pressure reverse osmosis membrane treatment tank.
2. The integrated waste liquid treatment apparatus according to claim 1, further comprising a sludge treatment device, wherein the sludge outlets of the anaerobic biochemical tank and the aerobic biochemical tank are respectively connected to the sludge treatment device.
3. The integrated waste liquid treatment apparatus according to claim 2, wherein the waste water outlet of the sludge treatment device is connected to the water replenishing port of the concentration adjusting tank through a pipeline.
4. The integrated waste liquid treatment apparatus according to claim 3, further comprising a steam boiler, wherein the methane waste gas outlet of the anaerobic biochemical tank and the methane waste gas outlet of the sludge treatment device are respectively connected to a combustion furnace of the steam boiler through pipes.
5. The integrated waste liquid treatment apparatus according to claim 4, wherein the steam outlet of the steam boiler is connected to the crystallization tank, the anaerobic biochemical tank and the aerobic biochemical tank through pipes.
6. The integrated waste liquid treatment apparatus according to claim 5, further comprising a thermal power generation mechanism, wherein the methane waste gas outlet of the anaerobic biochemical tank and the methane waste gas outlet of the sludge treatment device are respectively connected to the thermal power generation mechanism through pipelines.
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| GB2500684B (en) * | 2012-03-30 | 2018-08-15 | Spirax Sarco Ltd | Steam plant and method of operating the same |
| CN103776039A (en) * | 2012-10-19 | 2014-05-07 | 江苏兄弟维生素有限公司 | Organic synthesis waste gas treatment method in pharmaceutical process |
| CN103466893B (en) * | 2013-09-22 | 2014-10-08 | 金晨光 | Sewage recycling comprehensive treatment system |
| CN104923030B (en) * | 2015-06-25 | 2017-03-01 | 安庆市虹泰新材料有限责任公司 | A kind of high-temp waste gas processing system of polyamide process units |
| CN113321379A (en) * | 2021-06-02 | 2021-08-31 | 山东环发科技开发有限公司 | Electrochemical-assisted efficient composite desalting method |
| CN117342754B (en) * | 2023-12-04 | 2024-02-27 | 宁安市粮油淀粉机械制造有限公司 | Treatment facility based on sewage comprehensive utilization |
| CN117960021A (en) * | 2024-01-18 | 2024-05-03 | 达斯玛环境科技（北京）有限公司 | Energy-saving control method, system and device for submersible mixer and storage medium |
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| US7638061B2 (en) * | 2004-09-03 | 2009-12-29 | Hennig Incorporated | Coolant fluid cleaning method, system, and apparatus |
| CN100340502C (en) * | 2004-12-27 | 2007-10-03 | 中国科学院成都生物研究所 | Processing plant for regenerating and using sewage |
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