CN112794566A - Sewage recycling technology - Google Patents
Sewage recycling technology Download PDFInfo
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- CN112794566A CN112794566A CN202011575715.1A CN202011575715A CN112794566A CN 112794566 A CN112794566 A CN 112794566A CN 202011575715 A CN202011575715 A CN 202011575715A CN 112794566 A CN112794566 A CN 112794566A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5272—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using specific organic precipitants
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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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
- C02F2103/14—Paint wastes
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
Abstract
The invention relates to the technical field of sewage recycling, and discloses a sewage recycling technology, which comprises the following steps: s1: firstly, the machining cleaning wastewater enters the first regulating reservoir through the communicating pipe, then the wastewater in the first regulating reservoir enters the first integrated demulsification device through the communicating pipe to be subjected to demulsification treatment, and then NaOH is added: 5-10 parts, PAC: 2-8 parts of PAM: 1-6 parts of the emulsion, and after demulsification is finished, the emulsion enters a first efficient precipitation air floatation device for precipitation treatment; s2: and (4) allowing the machined cleaning wastewater treated in the step S1 to enter a regulating tank II, allowing the comprehensive wastewater to enter the regulating tank II through a communicating pipe, allowing sludge in the regulating tank II to enter a sludge concentration tank to concentrate the sludge, and finally filtering through a plate and frame filter. The machine-added cleaning wastewater can be returned to the machine-added cleaning machine for use after demulsification, and the machine-added emulsion and the coating high-concentration wastewater are subjected to demulsification precipitation and biochemical treatment and then are discharged into a municipal sewage pipe network after reaching the standard.
Description
Technical Field
The invention relates to the technical field of sewage recycling, in particular to a sewage recycling technology.
Background
The foremost task in paint shops is to produce high-quality painted vehicle bodies. A large amount of sewage can be generated in a coating workshop, if the sewage is directly discharged, not only can the waste of water resources be caused, but also the water pollution can be caused to the surrounding environment. Therefore, it is very necessary to provide a sewage reuse technology.
Disclosure of Invention
The invention aims to provide a sewage recycling technology, which solves the problems brought forward by the background.
In order to achieve the purpose, the invention provides the following technical scheme: a sewage reuse technology comprises the following steps:
s1: firstly, the machining cleaning wastewater enters the first regulating reservoir through the communicating pipe, then the wastewater in the first regulating reservoir enters the first integrated demulsification device through the communicating pipe to be subjected to demulsification treatment, and then NaOH is added: 5-10 parts, PAC: 2-8 parts of PAM: 1-6 parts of the emulsion, and after demulsification is finished, the emulsion enters a first efficient precipitation air floatation device for precipitation treatment;
s2: the machine after S1 step processing adds in washing wastewater enters into equalizing basin two, will synthesize simultaneously in waste water enters into equalizing basin two through communicating pipe, and the mud in the equalizing basin two enters into the sludge thickening pond and carries out the concentration to mud, filters through the plate and frame filter at last, and waste water in the equalizing basin two enters into and carries out precipitation reaction in the inclined plate sedimentation tank reactor, then adds NaOH: 8-15 parts, PAC: 5-10 parts of PAM: 3-9 parts of the sludge, performing precipitation reaction for a period of time, then allowing the sludge to enter an inclined plate precipitation tank for precipitation treatment, allowing the sludge in the inclined plate precipitation tank to enter a sludge collection tank, concentrating the sludge in a sludge concentration tank, and allowing the concentrated sludge to enter a plate-and-frame filter;
s3: and (3) carrying out air floatation reaction treatment after the wastewater subjected to precipitation treatment enters an air floatation reaction tank, and simultaneously adding KaOH: 2-10 parts of PAM: 3 to 8 portions ofAnd PAC: 2 to 6 parts by weight of H2SO4: 1-5 parts of the raw materials, performing air floatation reaction for a period of time, then feeding the raw materials into an air floatation tank, then feeding the raw materials into an intermediate water tank, then performing filtration treatment by using a multi-media filter I, a precision filter, an ultrafiltration device and an ultrafiltration box, then feeding the raw materials into an RO device, and finally feeding the raw materials into a fresh water tank;
s4: and (4) allowing concentrated water in the RO device in the step S3 to enter a third regulating tank, allowing emulsion, ultrafiltration, RO concentrated water and drainage of a trench to enter the third regulating tank through a communicating pipe, and then entering an integrated demulsification device II, wherein sludge in the third regulating tank and the integrated demulsification device II enters a sludge collection tank. Then the sludge is concentrated by a sludge concentration tank and enters a plate-frame filter, and NaOH is added into an integrated demulsification device II: 2-10 parts, PAC: 3-9 parts of PAM: 1-8 parts of the water-soluble emulsion, accelerating emulsion breaking, and after emulsion breaking, allowing the water-soluble emulsion to enter a second efficient precipitation air floatation device for precipitation treatment;
s5: and the sewage after the precipitation treatment enters a hydrolysis acidification tank for acidification treatment, the sewage after the acidification treatment enters a biological contact oxidation tank for oxidation, enters a secondary sedimentation tank after the oxidation, then enters a detection water tank, and finally enters a three-level standard sewage discharge pipeline network after being filtered by a multi-medium filter.
Preferably, a lift pump is arranged between the first regulating tank and the first integrated demulsification device in the step S1, and a container water pump is arranged in the first efficient precipitation floatation device.
Preferably, the air flotation tank and the intermediate water tank in the step S3 are respectively provided with a container water pump and a cleaning pump, and a filter pump is arranged between the intermediate water tank and the multi-media filter.
Preferably, the ultrafiltration device and the RO device in the step S3 may be cleaned by a cleaning system.
Preferably, a lift pump is arranged between the third regulating tank and the second integrated demulsification device in the step S4, and a container water pump is arranged in the second efficient precipitation floatation device.
Preferably, a fan is arranged in the biological contact oxidation pond in the step S5, and the oxidation reaction can be accelerated by the arranged fan.
Preferably, a backwash pump is provided in the detection water tank in step S5, and a filter pump is provided between the detection water tank and the multimedia filter.
The invention provides a sewage recycling technology. The sewage recycling technology has the following beneficial effects:
according to the sewage recycling technology, the machining cleaning wastewater can be returned to the machining cleaning machine for use after demulsification, and the machining emulsion and the coating high-concentration wastewater reach the standard and are discharged into a municipal sewage pipe network after demulsification precipitation and biochemical treatment.
Drawings
FIG. 1 is a schematic view of the process flow structure of the present invention.
Detailed Description
The first embodiment is as follows:
a sewage reuse technology comprises the following steps:
s1: firstly, the machining cleaning wastewater enters the first regulating reservoir through the communicating pipe, then the wastewater in the first regulating reservoir enters the first integrated demulsification device through the communicating pipe to be subjected to demulsification treatment, and then NaOH is added: 5 parts, PAC: 2 parts of PAM: 1 part, after demulsification is finished, entering a first efficient precipitation floatation device for precipitation treatment, wherein a lift pump is arranged between a first adjusting tank and the first integrated demulsification device, and a container water pump is arranged in the first efficient precipitation floatation device;
s2: the machine after S1 step processing adds in washing wastewater enters into equalizing basin two, will synthesize simultaneously in waste water enters into equalizing basin two through communicating pipe, and the mud in the equalizing basin two enters into the sludge thickening pond and carries out the concentration to mud, filters through the plate and frame filter at last, and waste water in the equalizing basin two enters into and carries out precipitation reaction in the inclined plate sedimentation tank reactor, then adds NaOH: 8 parts, PAC: 5 parts and PAM: 3, after the precipitation reaction is carried out for a period of time, the sludge enters an inclined plate precipitation tank for precipitation treatment, the sludge in the inclined plate precipitation tank enters a sludge collection tank, and the sludge is concentrated by a sludge concentration tank and enters a plate-and-frame filter;
s3: the wastewater after the precipitation treatment enters an air floatation reaction tankCarrying out air floatation reaction treatment, and simultaneously adding KaOH: 2 parts of PAM: 3 parts, PAC: 2 parts of, H2SO4: 1 part of the raw materials enter an air flotation tank after air flotation reaction for a period of time, then enter an intermediate water tank, then are filtered by a first multi-media filter, a precision filter, an ultrafiltration device and an ultrafiltration box, then enter an RO device and finally enter a fresh water tank, container water pumps and cleaning pumps are respectively arranged in the air flotation tank and the intermediate water tank, a filter pump is arranged between the intermediate water tank and the multi-media filter, and the ultrafiltration device and the RO device can be cleaned by a cleaning system;
s4: and (4) allowing concentrated water in the RO device in the step S3 to enter a third regulating tank, allowing emulsion, ultrafiltration, RO concentrated water and drainage of a trench to enter the third regulating tank through a communicating pipe, and then entering an integrated demulsification device II, wherein sludge in the third regulating tank and the integrated demulsification device II enters a sludge collection tank. Then the sludge is concentrated by a sludge concentration tank and enters a plate-frame filter, and NaOH is added into an integrated demulsification device II: 2 parts, PAC: 3 parts and PAM: 1 part, accelerating demulsification work, entering a second efficient precipitation floatation device for precipitation treatment after demulsification is finished, arranging a lift pump between a third adjusting tank and the second integrated demulsification device, and arranging a container water pump in the second efficient precipitation floatation device;
s5: sewage after the sedimentation treatment enters into the hydrolysis acidification tank to be acidized, the sewage after the acidizing treatment enters into the biological contact oxidation tank for oxidation, the sewage after the oxidation enters into the secondary sedimentation tank, then enters into the detection water tank, and finally enters into the three-level standard sewage discharge pipe network through the multi-media filter filtration, a fan is arranged in the biological contact oxidation tank, the oxidation reaction can be accelerated through the fan that sets up, a backwash pump is arranged in the detection water tank, and a filter pump is arranged between the detection water tank and the multi-media filter.
Example two:
a sewage reuse technology comprises the following steps:
s1: firstly, the machining cleaning wastewater enters the first regulating reservoir through the communicating pipe, then the wastewater in the first regulating reservoir enters the first integrated demulsification device through the communicating pipe to be subjected to demulsification treatment, and then NaOH is added: 10 parts, PAC: 8 parts and PAM: 6, after demulsification is finished, entering a first efficient precipitation floatation device for precipitation treatment, wherein a lift pump is arranged between a first adjusting tank and the first integrated demulsification device, and a container water pump is arranged in the first efficient precipitation floatation device;
s2: the machine after S1 step processing adds in washing wastewater enters into equalizing basin two, will synthesize simultaneously in waste water enters into equalizing basin two through communicating pipe, and the mud in the equalizing basin two enters into the sludge thickening pond and carries out the concentration to mud, filters through the plate and frame filter at last, and waste water in the equalizing basin two enters into and carries out precipitation reaction in the inclined plate sedimentation tank reactor, then adds NaOH: 15 parts, PAC: 10 parts of PAM: 9 parts of the sludge enters an inclined plate sedimentation tank for sedimentation treatment after a period of sedimentation reaction, and the sludge in the inclined plate sedimentation tank enters a sludge collection tank and then enters a plate-and-frame filter after being concentrated by a sludge concentration tank;
s3: and (3) carrying out air floatation reaction treatment after the wastewater subjected to precipitation treatment enters an air floatation reaction tank, and simultaneously adding KaOH: 10 parts of PAM: 8 parts, PAC: 6 portions of H2SO4: 5, after the air flotation reaction is carried out for a period of time, the obtained product enters an air flotation tank, then enters an intermediate water tank, is filtered by a first multi-media filter, a precision filter, an ultrafiltration device and an ultrafiltration box, then enters an RO (reverse osmosis) device and finally enters a fresh water tank, container water pumps and cleaning pumps are respectively arranged in the air flotation tank and the intermediate water tank, a filter pump is arranged between the intermediate water tank and the multi-media filter, and the ultrafiltration device and the RO device can be cleaned by a cleaning system;
s4: and (4) allowing concentrated water in the RO device in the step S3 to enter a third regulating tank, allowing emulsion, ultrafiltration, RO concentrated water and drainage of a trench to enter the third regulating tank through a communicating pipe, and then entering an integrated demulsification device II, wherein sludge in the third regulating tank and the integrated demulsification device II enters a sludge collection tank. Then the sludge is concentrated by a sludge concentration tank and enters a plate-frame filter, and NaOH is added into an integrated demulsification device II: 10 parts, PAC: 9 parts and PAM: 8, the demulsification is accelerated, the mixture enters a second efficient precipitation floatation device for precipitation treatment after the demulsification is finished, a lift pump is arranged between a third adjusting tank and the second integrated demulsification device, and a container water pump is arranged in the second efficient precipitation floatation device;
s5: sewage after the sedimentation treatment enters into the hydrolysis acidification tank to be acidized, the sewage after the acidizing treatment enters into the biological contact oxidation tank for oxidation, the sewage after the oxidation enters into the secondary sedimentation tank, then enters into the detection water tank, and finally enters into the three-level standard sewage discharge pipe network through the multi-media filter filtration, a fan is arranged in the biological contact oxidation tank, the oxidation reaction can be accelerated through the fan that sets up, a backwash pump is arranged in the detection water tank, and a filter pump is arranged between the detection water tank and the multi-media filter.
Example three:
a sewage reuse technology comprises the following steps:
s1: firstly, the machining cleaning wastewater enters the first regulating reservoir through the communicating pipe, then the wastewater in the first regulating reservoir enters the first integrated demulsification device through the communicating pipe to be subjected to demulsification treatment, and then NaOH is added: 8 parts, PAC: 6 parts of PAM: 4, after demulsification is finished, the emulsion enters a first efficient precipitation floatation device for precipitation treatment, a lift pump is arranged between a first adjusting tank and the first integrated demulsification device, and a container water pump is arranged in the first efficient precipitation floatation device;
s2: the machine after S1 step processing adds in washing wastewater enters into equalizing basin two, will synthesize simultaneously in waste water enters into equalizing basin two through communicating pipe, and the mud in the equalizing basin two enters into the sludge thickening pond and carries out the concentration to mud, filters through the plate and frame filter at last, and waste water in the equalizing basin two enters into and carries out precipitation reaction in the inclined plate sedimentation tank reactor, then adds NaOH: 12 parts, PAC: 8 parts and PAM: 6, after the precipitation reaction is carried out for a period of time, the sludge enters an inclined plate precipitation tank for precipitation treatment, the sludge in the inclined plate precipitation tank enters a sludge collection tank, and the sludge is concentrated by a sludge concentration tank and enters a plate-and-frame filter;
s3: warp beamAnd (3) carrying out air floatation reaction treatment after the wastewater after the precipitation treatment enters an air floatation reaction tank, and simultaneously adding KaOH: 6 parts of PAM: 5 parts, PAC: 4 parts of, H2SO4: 3, after the air flotation reaction is carried out for a period of time, the mixture enters an air flotation tank, then enters an intermediate water tank, is filtered by a first multi-media filter, a precision filter, an ultrafiltration device and an ultrafiltration box, then enters an RO (reverse osmosis) device and finally enters a fresh water tank, container water pumps and cleaning pumps are respectively arranged in the air flotation tank and the intermediate water tank, a filter pump is arranged between the intermediate water tank and the multi-media filter, and the ultrafiltration device and the RO device can be cleaned by a cleaning system;
s4: and (4) allowing concentrated water in the RO device in the step S3 to enter a third regulating tank, allowing emulsion, ultrafiltration, RO concentrated water and drainage of a trench to enter the third regulating tank through a communicating pipe, and then entering an integrated demulsification device II, wherein sludge in the third regulating tank and the integrated demulsification device II enters a sludge collection tank. Then the sludge is concentrated by a sludge concentration tank and enters a plate-frame filter, and NaOH is added into an integrated demulsification device II: 6 parts, PAC: 5 parts and PAM: 4, the demulsification is accelerated, the mixture enters a second efficient precipitation floatation device for precipitation treatment after the demulsification is finished, a lift pump is arranged between a third adjusting tank and the second integrated demulsification device, and a container water pump is arranged in the second efficient precipitation floatation device;
s5: sewage after the sedimentation treatment enters into the hydrolysis acidification tank to be acidized, the sewage after the acidizing treatment enters into the biological contact oxidation tank for oxidation, the sewage after the oxidation enters into the secondary sedimentation tank, then enters into the detection water tank, and finally enters into the three-level standard sewage discharge pipe network through the multi-media filter filtration, a fan is arranged in the biological contact oxidation tank, the oxidation reaction can be accelerated through the fan that sets up, a backwash pump is arranged in the detection water tank, and a filter pump is arranged between the detection water tank and the multi-media filter.
The invention has the beneficial effects that: the machine-added cleaning wastewater can be returned to the machine-added cleaning machine for use after demulsification, and the machine-added emulsion and the coating high-concentration wastewater are subjected to demulsification precipitation and biochemical treatment and then are discharged into a municipal sewage pipe network after reaching the standard.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A sewage reuse technology is characterized in that: the method comprises the following steps:
s1: firstly, the machining cleaning wastewater enters the first regulating reservoir through the communicating pipe, then the wastewater in the first regulating reservoir enters the first integrated demulsification device through the communicating pipe to be subjected to demulsification treatment, and then NaOH is added: 5-10 parts, PAC: 2-8 parts of PAM: 1-6 parts of the emulsion, and after demulsification is finished, the emulsion enters a first efficient precipitation air floatation device for precipitation treatment;
s2: the machine after S1 step processing adds in washing wastewater enters into equalizing basin two, will synthesize simultaneously in waste water enters into equalizing basin two through communicating pipe, and the mud in the equalizing basin two enters into the sludge thickening pond and carries out the concentration to mud, filters through the plate and frame filter at last, and waste water in the equalizing basin two enters into and carries out precipitation reaction in the inclined plate sedimentation tank reactor, then adds NaOH: 8-15 parts, PAC: 5-10 parts of PAM: 3-9 parts of the sludge, performing precipitation reaction for a period of time, then allowing the sludge to enter an inclined plate precipitation tank for precipitation treatment, allowing the sludge in the inclined plate precipitation tank to enter a sludge collection tank, concentrating the sludge in a sludge concentration tank, and allowing the concentrated sludge to enter a plate-and-frame filter;
s3: and (3) carrying out air floatation reaction treatment after the wastewater subjected to precipitation treatment enters an air floatation reaction tank, and simultaneously adding KaOH: 2-10 parts of PAM: 3-8 parts, PAC: 2 to 6 parts by weight of H2SO4: 1-5 parts of the raw materials, performing air floatation reaction for a period of time, then feeding the raw materials into an air floatation tank, then feeding the raw materials into an intermediate water tank, then performing filtration treatment by using a multi-media filter I, a precision filter, an ultrafiltration device and an ultrafiltration box, then feeding the raw materials into an RO device, and finally feeding the raw materials into a fresh water tank;
s4: and (4) allowing concentrated water in the RO device in the step S3 to enter a third regulating tank, allowing emulsion, ultrafiltration, RO concentrated water and drainage of a trench to enter the third regulating tank through a communicating pipe, and then entering an integrated demulsification device II, wherein sludge in the third regulating tank and the integrated demulsification device II enters a sludge collection tank. Then the sludge is concentrated by a sludge concentration tank and enters a plate-frame filter, and NaOH is added into an integrated demulsification device II: 2-10 parts, PAC: 3-9 parts of PAM: 1-8 parts of the water-soluble emulsion, accelerating emulsion breaking, and after emulsion breaking, allowing the water-soluble emulsion to enter a second efficient precipitation air floatation device for precipitation treatment;
s5: and the sewage after the precipitation treatment enters a hydrolysis acidification tank for acidification treatment, the sewage after the acidification treatment enters a biological contact oxidation tank for oxidation, enters a secondary sedimentation tank after the oxidation, then enters a detection water tank, and finally enters a three-level standard sewage discharge pipeline network after being filtered by a multi-medium filter.
2. The sewage reuse technology according to claim 1, characterized in that: and a lift pump is arranged between the first regulating tank and the first integrated demulsification device in the step S1, and a container water pump is arranged in the first efficient precipitation floatation device.
3. The sewage reuse technology according to claim 1, characterized in that: and a container water pump and a cleaning pump are respectively arranged in the air flotation tank and the middle water tank in the step S3, and a filter pump is arranged between the middle water tank and the multi-medium filter.
4. The sewage reuse technology according to claim 1, characterized in that: the ultrafiltration apparatus and the RO apparatus in the step S3 may be cleaned by a cleaning system.
5. The sewage reuse technology according to claim 1, characterized in that: and a lift pump is arranged between the third regulating tank and the second integrated demulsification device in the step S4, and a container water pump is arranged in the second efficient precipitation air floatation device.
6. The sewage reuse technology according to claim 1, characterized in that: a fan is arranged in the biological contact oxidation tank in the step S5, and the oxidation reaction can be accelerated by the arranged fan.
7. The sewage reuse technology according to claim 1, characterized in that: and a backwashing pump is arranged in the detection water tank in the step S5, and a filtering pump is arranged between the detection water tank and the multi-media filter.
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CN202011575715.1A CN112794566A (en) | 2020-12-28 | 2020-12-28 | Sewage recycling technology |
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Citations (7)
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CN202968314U (en) * | 2012-11-28 | 2013-06-05 | 湖北省协诚交通环保有限公司 | Sewage treatment device for expressway auxiliary area |
CN107364990A (en) * | 2017-08-07 | 2017-11-21 | 苏州久沛环保科技有限公司 | Produce the handling process of waste water |
CN107555659A (en) * | 2017-09-30 | 2018-01-09 | 河南恒泰环保工程有限公司 | Emulsifying liquid waste water processing unit and its technique |
US20190046948A1 (en) * | 2016-02-23 | 2019-02-14 | Chinese Research Academy Of Environmental Sciences | Method for reducing or controlling wastewater and pollutant from emulsion polymerization resin production |
CN109650648A (en) * | 2018-12-16 | 2019-04-19 | 邯郸钢铁集团有限责任公司 | A kind of processing system and method for cold rolling wastewater |
CN210595673U (en) * | 2019-06-24 | 2020-05-22 | 杭州佰盛环保科技有限公司 | Enterprise wastewater comprehensive treatment system |
CN111892257A (en) * | 2020-09-15 | 2020-11-06 | 青岛世宇环境工程有限公司 | Aluminum product production wastewater treatment system and treatment process thereof |
-
2020
- 2020-12-28 CN CN202011575715.1A patent/CN112794566A/en not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202968314U (en) * | 2012-11-28 | 2013-06-05 | 湖北省协诚交通环保有限公司 | Sewage treatment device for expressway auxiliary area |
US20190046948A1 (en) * | 2016-02-23 | 2019-02-14 | Chinese Research Academy Of Environmental Sciences | Method for reducing or controlling wastewater and pollutant from emulsion polymerization resin production |
CN107364990A (en) * | 2017-08-07 | 2017-11-21 | 苏州久沛环保科技有限公司 | Produce the handling process of waste water |
CN107555659A (en) * | 2017-09-30 | 2018-01-09 | 河南恒泰环保工程有限公司 | Emulsifying liquid waste water processing unit and its technique |
CN109650648A (en) * | 2018-12-16 | 2019-04-19 | 邯郸钢铁集团有限责任公司 | A kind of processing system and method for cold rolling wastewater |
CN210595673U (en) * | 2019-06-24 | 2020-05-22 | 杭州佰盛环保科技有限公司 | Enterprise wastewater comprehensive treatment system |
CN111892257A (en) * | 2020-09-15 | 2020-11-06 | 青岛世宇环境工程有限公司 | Aluminum product production wastewater treatment system and treatment process thereof |
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