CN115215486A - Deep water body treatment system - Google Patents
Deep water body treatment system Download PDFInfo
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- CN115215486A CN115215486A CN202211009050.7A CN202211009050A CN115215486A CN 115215486 A CN115215486 A CN 115215486A CN 202211009050 A CN202211009050 A CN 202211009050A CN 115215486 A CN115215486 A CN 115215486A
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- Prior art keywords
- water
- treatment
- reverse osmosis
- tank
- pump
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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
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
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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
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
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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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
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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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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a deep water body treatment system, which comprises the following treatment steps: a primary pretreatment section, which is used for carrying out primary impurity filtering and defluorination treatment on the raw water; the first-stage membrane treatment section is used for further membrane treatment of the water with impurities removed and deep reverse osmosis filtration treatment; a second-stage pretreatment section, filtering and softening concentrated water; the concentrated water film treatment section is used for further film treatment of concentrated water, and finally, the concentrated water is collected by a reuse water pool, and the designed inlet water recycling amount of the advanced wastewater treatment station is considerable and the recycling rate is high. And after the sludge treatment system is designed to pass through the dehydration system, the water content of the sludge is less than or equal to 80 percent. After the improvement, the balance of the water consumption of the coking plant is completed, the difficulty in discharging biochemical water is solved, the bottleneck of environmental protection is overcome, and the normal operation of a company is ensured. Changing waste into valuable, and treating the biochemical water to supplement water for circulating water of the cooling tower.
Description
Technical Field
The invention relates to the field of water treatment, in particular to a deep water body treatment system.
Background
According to the coking sewage biochemical treatment device before modification, the average water yield of the sewage treatment system is about 75m & lt 3 & gt/h, the quality of biochemical effluent water can reach the three-interval discharge standard in the coking chemical industry pollutant discharge Standard (GB 16171-2012), and the device is used for wet quenching and achieves balance of water production and consumption.
However, after a coke oven with 5.5 meters is matched with dry quenching coke to be built, the wet quenching coke technology is stopped, biochemical effluent can not be reused, the water balance is broken, and the biochemical effluent needs to be further purified by a newly-built set of advanced treatment device at present to reach the water quality standard of circulating cooling water replenishing and is used for two sets of circulating cooling water systems for replenishing water.
Disclosure of Invention
The invention aims to provide a deep water body treatment system to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a deep water treatment system, the system comprising the following process steps:
a primary pretreatment section, which is used for carrying out primary impurity filtering and defluorination treatment on the raw water;
the first-stage membrane treatment section is used for further membrane treatment of the water with impurities removed and deep reverse osmosis filtration treatment;
a second-stage pretreatment section, filtering and softening concentrated water;
and a concentrated water film treatment section, wherein concentrated water is subjected to further film treatment and finally collected by a reuse water pool.
As a further scheme of the invention: the first-stage pretreatment section comprises the following process flows: a final sedimentation tank of an original biochemical treatment station, a molecular activation reaction device, an oxidation reaction tank, a fluorine and hardness removal integrated reaction tank, a high-density sedimentation tank, a sedimentation water outlet tank, a multi-media filter lifting pump and a multi-media filter;
as a further scheme of the invention: the primary membrane treatment section comprises the following process flows: a filtered water tank, a self-cleaning filter, an ultrafiltration system, an ultrafiltration product water tank, a first-stage reverse osmosis water supply pump, a first-stage reverse osmosis cartridge filter, a first-stage reverse osmosis high-pressure pump, a first-stage reverse osmosis device, a reuse water tank, a lifting pump and a circulating cooling water system;
as a further scheme of the invention: the secondary pretreatment section comprises the following process flows: the system comprises first-stage reverse osmosis concentrated water, a first-stage reverse osmosis concentrated water tank, a resin softening lift pump, a resin softener, a softening water production tank, a concentrated water reverse osmosis feed pump and a safety filter;
as a further scheme of the invention: the concentrated water film treatment section comprises the following process flows: a concentrated water reverse osmosis high-pressure pump, a concentrated water reverse osmosis device and a reuse water tank.
As a further scheme of the invention: high-salt water treatment process: the method comprises the steps of reverse osmosis of concentrated water, high-salt water tank, high-salt water delivery pump and user autonomous disposal.
As a further scheme of the invention: a sludge treatment process; sludge in the high-density sedimentation tank-a sludge pump-a sludge concentration tank-a sludge pump-a screw stacking machine-sludge cakes are transported outside.
As a further scheme of the invention: the outward transportation method of the mud cakes comprises the following steps: by owner's discretion, coal blending or other means
Compared with the prior art, the invention has the beneficial effects that:
the design water inflow of the wastewater advanced treatment station is as follows: q =85m 3 H, the recovery rate is more than or equal to 90 percent (the recovery rate = the reuse water amount of the system produced water/the water amount of the biochemical system input water multiplied by 100 percent), and the reuse water amount is more than or equal to 76.5m 3 H, the concentrated water amount is less than or equal to 8.5m 3 /h。
After the sludge treatment system is designed to pass through the dehydration system, the water content of the sludge is less than or equal to 80 percent.
After the transformation, the balance of the water consumption of the coking plant is completed, the difficulty in discharging biochemical water is solved, the bottleneck of environmental protection is overcome, and the normal operation of a company is ensured.
Changing waste into valuable, and treating the biochemical water to supplement water for circulating water of the cooling tower.
Drawings
FIG. 1 is a schematic view of the work flow of a deep water treatment system.
Detailed Description
The technical solution of the present patent will be further described in detail with reference to the following embodiments.
Referring to fig. 1, a deep water treatment system includes a primary pretreatment section, a primary membrane treatment section, a secondary pretreatment section, and a concentrated water membrane treatment section.
The first-stage pretreatment section comprises the following process flows: the method comprises the steps of a final sedimentation tank of an original biochemical treatment station, a molecular activation reaction device, an oxidation reaction tank, a fluorine and hardness removal integrated reaction tank, a high-density sedimentation tank, a sedimentation water outlet tank, a multi-media filter lift pump and a multi-media filter.
The primary membrane treatment section comprises the following process flows: the system comprises a filtered water tank, a self-cleaning filter, an ultrafiltration system, an ultrafiltration water production tank, a first-stage reverse osmosis water feed pump, a first-stage reverse osmosis cartridge filter, a first-stage reverse osmosis high-pressure pump, a first-stage reverse osmosis device, a reuse water tank, a lift pump and a circulating cooling water system.
The secondary pretreatment section comprises the following process flows: the system comprises a first-stage reverse osmosis concentrated water, a first-stage reverse osmosis concentrated water tank, a resin softening lifting pump, a resin softener, a softening product water tank, a concentrated water reverse osmosis feed pump and a safety filter.
The concentrated water film treatment section comprises the following process flows: a concentrated water reverse osmosis high-pressure pump, a concentrated water reverse osmosis device and a reuse water tank.
The working principle of the invention is as follows:
the method comprises the steps of a final sedimentation tank, a molecular activation reaction device, an oxidation reaction tank, a fluorine and hardness removal integrated reaction tank, a high-density sedimentation tank, a sedimentation water outlet tank, a multi-media filter lifting pump, a multi-media filter, a filtered water tank, a self-cleaning filter, an ultrafiltration system, an ultrafiltration product water tank, a first-stage reverse osmosis water feed pump, a first-stage reverse osmosis cartridge filter, a first-stage reverse osmosis high-pressure pump, a first-stage reverse osmosis device, a reuse water tank, a lifting pump and a circulating cooling water system of an original biochemical treatment station;
the system comprises first-stage reverse osmosis concentrated water, a first-stage reverse osmosis concentrated water tank, a resin softening lifting pump, a resin softener, a softening production water tank, a concentrated water reverse osmosis water supply pump, a safety filter, a concentrated water reverse osmosis high-pressure pump, a concentrated water reverse osmosis device and a reuse water tank;
the method comprises the following steps of (1) reverse osmosis of concentrated water, high-salt water tank, high-salt water delivery pump and user autonomous disposal;
sludge in a high-density sedimentation tank-a sludge pump-a sludge concentration tank-a sludge pump-a screw stacking machine-sludge cake outward transportation (autonomous disposal by owners, coal blending or other disposal modes);
and (3) squeezing the filtrate, supernatant of the sludge concentration tank and multi-medium filter backwashing water, a reflux water tank, a lift pump and a reaction tank for secondary treatment.
Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (8)
1. A deep water treatment system, comprising the steps of:
a primary pretreatment section, which is used for carrying out primary impurity filtering and defluorination treatment on the raw water;
the first-stage membrane treatment section is used for further membrane treatment of the water with impurities removed and deep reverse osmosis filtration treatment;
a second-stage pretreatment section, filtering and softening concentrated water;
and a concentrated water film treatment section, wherein concentrated water is subjected to further film treatment and finally collected by a reuse water pool.
2. The deep water body treatment system of claim 1, wherein the primary pretreatment stage comprises the following process flows: the method comprises the steps of a final sedimentation tank of an original biochemical treatment station, a molecular activation reaction device, an oxidation reaction tank, a fluorine and hardness removing integrated reaction tank, a high-density sedimentation tank, a sedimentation water outlet tank, a multi-media filter lifting pump and a multi-media filter.
3. The deep water body treatment system of claim 1, wherein the primary membrane treatment section comprises a process flow of: the system comprises a filtered water tank, a self-cleaning filter, an ultrafiltration system, an ultrafiltration product water tank, a first-stage reverse osmosis water supply pump, a first-stage reverse osmosis cartridge filter, a first-stage reverse osmosis high-pressure pump, a first-stage reverse osmosis device, a reuse water tank, a lifting pump and a circulating cooling water system.
4. The deep water body treatment system of claim 1, wherein the secondary pretreatment stage comprises the process flow of: the system comprises first-stage reverse osmosis concentrated water, a first-stage reverse osmosis concentrated water tank, a resin softening lift pump, a resin softener, a softening product water tank, a concentrated water reverse osmosis feed pump and a safety filter.
5. The deep water body treatment system according to claim 1, wherein the concentrated water film treatment section comprises the following process flows: a concentrated water reverse osmosis high-pressure pump, a concentrated water reverse osmosis device and a reuse water tank.
6. The deep water body treatment system of claim 1, wherein the high brine treatment process is: the method comprises the steps of reverse osmosis of concentrated water, high-salt water tank, high-salt water delivery pump and user autonomous disposal.
7. The deep water body treatment system according to claim 1, wherein a sludge treatment process; sludge in the high-density sedimentation tank-a sludge pump-a sludge concentration tank-a sludge pump-a screw stacking machine-sludge cakes are transported outside.
8. The deep water body treatment system according to claim 1, wherein the outward transportation method of the mud cake comprises the following steps: the coal is independently disposed by the owner, and is mixed with the coal or disposed by other modes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211009050.7A CN115215486A (en) | 2022-08-22 | 2022-08-22 | Deep water body treatment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211009050.7A CN115215486A (en) | 2022-08-22 | 2022-08-22 | Deep water body treatment system |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114163020A (en) * | 2021-12-02 | 2022-03-11 | 西安合瑞环境工程有限公司 | Short-process wastewater zero-discharge treatment process |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114163020A (en) * | 2021-12-02 | 2022-03-11 | 西安合瑞环境工程有限公司 | Short-process wastewater zero-discharge treatment process |
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