CN110921977A - Take integration sewage purification equipment of ejector - Google Patents
Take integration sewage purification equipment of ejector Download PDFInfo
- Publication number
- CN110921977A CN110921977A CN201911067267.1A CN201911067267A CN110921977A CN 110921977 A CN110921977 A CN 110921977A CN 201911067267 A CN201911067267 A CN 201911067267A CN 110921977 A CN110921977 A CN 110921977A
- Authority
- CN
- China
- Prior art keywords
- tank
- ejector
- sedimentation tank
- pipeline
- backwash pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000010865 sewage Substances 0.000 title claims abstract description 22
- 238000000746 purification Methods 0.000 title claims abstract description 12
- 230000010354 integration Effects 0.000 title description 4
- 238000004062 sedimentation Methods 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000010992 reflux Methods 0.000 claims description 28
- 239000000945 filler Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 239000010802 sludge Substances 0.000 abstract description 26
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 11
- 239000001301 oxygen Substances 0.000 abstract description 11
- 229910052760 oxygen Inorganic materials 0.000 abstract description 11
- 238000003756 stirring Methods 0.000 abstract description 4
- 230000008021 deposition Effects 0.000 abstract description 3
- 206010021143 Hypoxia Diseases 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Classifications
-
- 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
- C02F3/28—Anaerobic digestion processes
-
- 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
- C02F3/02—Aerobic processes
-
- 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
-
- 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
- C02F3/302—Nitrification and denitrification treatment
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The invention discloses an integrated sewage purification device with an ejector, and belongs to the technical field of sewage treatment. It includes sewage equalizing basin, oxygen deficiency pond, first good oxygen pond, second good oxygen pond, sedimentation tank, still includes first backwash pump, second backwash pump, ejector, first backwash pump feed end passes through the pipeline and inserts in the second good oxygen pond, and first backwash pump discharge end passes through the pipeline and inserts in the oxygen deficiency pond, second backwash pump feed end passes through pipeline and inserts sedimentation tank upper portion, and second backwash pump discharge end passes through the pipeline and inserts in the second good oxygen pond, the ejector is installed in the sedimentation tank bottom. The jet device is added in the sedimentation tank, and in the working time period of the jet device, the jet device stirs the sludge deposited at the bottom of the sedimentation tank due to the uneven sludge discharge and other problems, so that the problems of sludge deposition and floating of the sedimentation tank are prevented, the jet device has stronger impact load resistance capability, and simultaneously replenishes the dissolved oxygen in the water body, thereby achieving the purpose of refusing the anaerobic environment.
Description
Technical Field
The invention relates to an integrated sewage purification device with an ejector, and belongs to the technical field of sewage treatment.
Background
In the operation process of the existing integrated equipment with certain models, sludge sedimentation can occur in a sedimentation tank, anaerobic nitrification reaction can occur, and the phenomenon of sludge floating can occur. The equipment of the types mainly adopts a gas stripping mode to discharge the sludge, and although the gas stripping sludge discharge method has the advantages of simple device, energy consumption saving, low investment cost, easy maintenance and stable operation, the gas stripping equipment can discharge the sludge unevenly in long-term operation, the sludge discharge effect of the area close to the accessory of the gas stripping device is obvious, the sludge in the area slightly far away is difficult to discharge, and the sludge siltation, floating and other phenomena can be caused finally to influence the water quality of effluent. Therefore, the integrated sewage purification equipment with the ejector is designed, water flows out of the diffuser pipe of the ejector and can stir the sludge deposited at the bottom of the tank, long-time sedimentation is avoided, meanwhile, the anaerobic environment can be prevented from being formed through efficient oxygenation performance, and the partially stirred sludge can be discharged out of the sedimentation tank through the overflow port, so that the amount of residual sludge in the sedimentation tank is reduced. The ejector is arranged in the sedimentation tank, and is matched with proper time control, and the corresponding problem caused by sludge sedimentation in the sedimentation tank is solved by utilizing the characteristics of high-efficiency mass transfer effect, good flow conditions and the like of the ejector.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides an integration sewage purification equipment of taking ejector, it has solved sedimentation tank mud siltation, come-up in the present integration sewage purification equipment, forms anaerobic environment, leads to going out the problem that water quality of water worsens.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
an integrated sewage purification device with an ejector, which comprises a sewage adjusting tank, an anoxic tank, a first aerobic tank, a second aerobic tank and a sedimentation tank, the sewage adjusting tank is connected with the water inlet end of the anoxic tank, the overflow port of the anoxic tank is communicated with the first aerobic tank, the overflow port of the first aerobic tank is communicated with the second aerobic tank, the overflow port of the second aerobic tank is communicated with the sedimentation tank, the anoxic tank, the first aerobic tank and the second aerobic tank are internally provided with biological fillers, and also comprise a first reflux pump, a second reflux pump and an ejector, the feeding end of the first reflux pump is connected into the second aerobic tank through a pipeline, the discharging end of the first reflux pump is connected into the anoxic tank through a pipeline, the feed end of the second reflux pump is connected to the upper part of the sedimentation tank through a pipeline, the discharge end of the second reflux pump is connected to the second aerobic tank through a pipeline, and the ejector is installed at the bottom of the sedimentation tank.
As a preferable example, the ejector is installed at one side of the bottom of the sedimentation tank, and the jet flow of the ejector horizontally impacts the bottom of the sedimentation tank.
The invention has the beneficial effects that:
(1) the jet device is added in the sedimentation tank, and in the working time period of the jet device, the jet device stirs the sludge deposited at the bottom of the sedimentation tank due to the problems of uneven sludge discharge and the like, so that the problems of sludge deposition and floating of the sedimentation tank are prevented, the jet device has stronger impact load resistance, and simultaneously, the jet device supplements dissolved oxygen in the water body, thereby achieving the purpose of refusing the anaerobic environment;
(2) the sludge turned up by the ejector can be discharged out of the sedimentation tank through the overflow port, so that the amount of the residual sludge in the sedimentation tank is reduced;
(3) the ejector enables water in the sedimentation tank to contain more dissolved oxygen, and the supernatant with high oxygen content is refluxed to the second aerobic tank through the second reflux pump, so that the problem that the quality of effluent water is poor due to the formation of an anaerobic environment is solved;
(4) the first reflux pump reflows the nitrified liquid in the second aerobic tank to the anoxic tank to complete denitrification treatment, and can control the reflux position and reflux ratio to strengthen the denitrification performance of the system.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
in the figure: the device comprises a sewage adjusting tank 1, an anoxic tank 2, a first aerobic tank 3, a second aerobic tank 4, a sedimentation tank 5, biological fillers 6, a first reflux pump 7, a second reflux pump 8 and an ejector 9.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purpose and the efficacy of the invention easy to understand, the invention is further described with reference to the specific drawings.
As shown in figure 1, an integrated sewage purification device with an ejector comprises a sewage adjusting tank 1, an anoxic tank 2, a first aerobic tank 3, a second aerobic tank 4 and a sedimentation tank 5, wherein the sewage adjusting tank 1 is connected with the water inlet end of the anoxic tank 2, the overflow port of the anoxic tank 2 is communicated with the first aerobic tank 3, the overflow port of the first aerobic tank 3 is communicated with the second aerobic tank 4, the overflow port of the second aerobic tank 4 is communicated with the sedimentation tank 5, biological fillers 6 are arranged in the anoxic tank 2, the first aerobic tank 3 and the second aerobic tank 4, the integrated sewage purification device also comprises a first reflux pump 7, a second reflux pump 8 and an ejector 9, the feeding end of the first reflux pump 7 is connected into the second aerobic tank 4 through a pipeline, the discharging end of the first reflux pump 7 is connected into the anoxic tank 2 through a pipeline, the feeding end of the second reflux pump 8 is connected into the upper part of the sedimentation tank 5 through a pipeline, the discharging end of the second reflux pump 8 is connected into the second aerobic tank 4 through a pipeline, the ejector 9 is arranged at the bottom of the sedimentation tank 5.
The ejector 9 is installed on one side of the bottom of the sedimentation tank 5, and jet flow of the ejector 9 horizontally impacts the bottom of the sedimentation tank 5.
The ejector 9 is a product sold in the market, and has wide application, including the fields of water treatment, chemical industry, aquaculture and the like. The ejector 9 mainly comprises a nozzle, a water suction pipe, an air suction pipe, a mixing chamber and the like, and the core principle is that negative pressure is formed by utilizing the Venturi phenomenon: under the high-speed rotation of the impeller of the jet pump, water flow is ejected from the nozzle at a high speed, and meanwhile, liquid flowing at a high speed flows through the mixing chamber, air in the mixing chamber is continuously taken away, vacuum is formed, negative pressure is generated, and a large amount of air can be sucked by the air suction pipe. The air sucked into the mixing chamber is mixed with the water flow in the front half section of the throat pipe and is cut into micro bubbles; the air is gradually atomized in the latter half of the throat and dissolved in the water in the most efficient manner. Along with the increase of the water pressure, the atomized air is quickly dissolved into the water in the flow guide pipe assembly to form supersaturated dissolved air water. After being discharged through the diffusion pipe, the air rises in the form of micro-bubbles, and the efficient substance transfer process is completed. The device has the advantages of simple structure, safe operation, low cost, easy maintenance, corrosion resistance and wide application range.
The working principle is as follows:
the jet device 9 is added in the sedimentation tank 5, and in the working time period (timing working) of the jet device 9, the jet device 9 stirs up the sludge deposited at the bottom of the sedimentation tank 5 due to the problems of uneven sludge discharge and the like, so that the sludge deposition and floating of the sedimentation tank 5 are prevented, the impact load resistance is strong, and meanwhile, the dissolved oxygen in the water body is supplemented, so that the purpose of rejecting the anaerobic environment is achieved;
the sludge turned up by the ejector 9 can be discharged out of the sedimentation tank 5 through an overflow port, so that the amount of the residual sludge in the sedimentation tank 5 is reduced;
the ejector 9 enables the water in the sedimentation tank 5 to contain more dissolved oxygen, and the supernatant with high oxygen content is refluxed to the second aerobic tank 4 through the second reflux pump 8, so that the problem of poor quality of the effluent water caused by the formation of an anaerobic environment is prevented;
the first reflux pump 7 reflows the nitrified liquid in the second aerobic tank 4 to the anoxic tank 2 to complete denitrification treatment, and can control the reflux position and reflux ratio to strengthen the denitrification performance of the system;
in order to avoid the sludge leakage phenomenon of the equipment, biological fillers 6 are arranged in the anoxic tank 2, the first aerobic tank 3 and the second aerobic tank 4 so as to ensure the sufficient microorganism amount in the reactor.
The foregoing shows and describes the general principles, principal features, and principal advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. An integrated sewage purification device with an ejector, which comprises a sewage adjusting tank, an anoxic tank, a first aerobic tank, a second aerobic tank and a sedimentation tank, the sewage adjusting tank is connected with the water inlet end of the anoxic tank, the overflow port of the anoxic tank is communicated with the first aerobic tank, the overflow port of the first aerobic tank is communicated with the second aerobic tank, the overflow port of the second aerobic tank is communicated with the sedimentation tank, biological fillers are arranged in the anoxic tank, the first aerobic tank and the second aerobic tank, it is characterized by also comprising a first reflux pump, a second reflux pump and an ejector, wherein the feeding end of the first reflux pump is connected into the second aerobic tank through a pipeline, the discharging end of the first reflux pump is connected into the anoxic tank through a pipeline, the feed end of the second reflux pump is connected to the upper part of the sedimentation tank through a pipeline, the discharge end of the second reflux pump is connected to the second aerobic tank through a pipeline, and the ejector is installed at the bottom of the sedimentation tank.
2. The integrated sewage purification device with the ejector according to claim 1, wherein the ejector is installed on one side of the bottom of the sedimentation tank, and the jet flow of the ejector horizontally impacts the bottom of the sedimentation tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911067267.1A CN110921977A (en) | 2019-11-04 | 2019-11-04 | Take integration sewage purification equipment of ejector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911067267.1A CN110921977A (en) | 2019-11-04 | 2019-11-04 | Take integration sewage purification equipment of ejector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110921977A true CN110921977A (en) | 2020-03-27 |
Family
ID=69852313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911067267.1A Pending CN110921977A (en) | 2019-11-04 | 2019-11-04 | Take integration sewage purification equipment of ejector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110921977A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111606504A (en) * | 2020-05-20 | 2020-09-01 | 苏州首创嘉净环保科技股份有限公司 | Integrated sewage treatment equipment for strengthening ammonia nitrogen removal |
| CN115353257A (en) * | 2022-08-22 | 2022-11-18 | 广东首汇蓝天工程科技有限公司 | Waste water treatment device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003340206A (en) * | 2002-05-30 | 2003-12-02 | Yoshikimi Watanabe | Jet stirring solid-liquid separation device and coagulation sedimentation treatment device |
| CN105110573A (en) * | 2015-09-22 | 2015-12-02 | 张家港市格锐环境工程有限公司 | Treatment system and method for removing total nitrogen in sewage |
| CN106976975A (en) * | 2017-05-08 | 2017-07-25 | 中国矿业大学 | A kind of rearmounted anoxic strengthens the sewerage advanced treatment process of nitrogen phosphorus ligands |
| CN207221400U (en) * | 2017-03-31 | 2018-04-13 | 武汉格林环源净化工程有限公司 | Prevent the sedimentation basin of sludgd deposition and anaerobism |
| CN208356185U (en) * | 2018-04-19 | 2019-01-11 | 广东明创环境有限公司 | Jet sludge sedimentation tank |
| CN109650645A (en) * | 2018-06-15 | 2019-04-19 | 兴源环境科技股份有限公司 | Integrated rural domestic sewage treatment device and sewage water treatment method |
-
2019
- 2019-11-04 CN CN201911067267.1A patent/CN110921977A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003340206A (en) * | 2002-05-30 | 2003-12-02 | Yoshikimi Watanabe | Jet stirring solid-liquid separation device and coagulation sedimentation treatment device |
| CN105110573A (en) * | 2015-09-22 | 2015-12-02 | 张家港市格锐环境工程有限公司 | Treatment system and method for removing total nitrogen in sewage |
| CN207221400U (en) * | 2017-03-31 | 2018-04-13 | 武汉格林环源净化工程有限公司 | Prevent the sedimentation basin of sludgd deposition and anaerobism |
| CN106976975A (en) * | 2017-05-08 | 2017-07-25 | 中国矿业大学 | A kind of rearmounted anoxic strengthens the sewerage advanced treatment process of nitrogen phosphorus ligands |
| CN208356185U (en) * | 2018-04-19 | 2019-01-11 | 广东明创环境有限公司 | Jet sludge sedimentation tank |
| CN109650645A (en) * | 2018-06-15 | 2019-04-19 | 兴源环境科技股份有限公司 | Integrated rural domestic sewage treatment device and sewage water treatment method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111606504A (en) * | 2020-05-20 | 2020-09-01 | 苏州首创嘉净环保科技股份有限公司 | Integrated sewage treatment equipment for strengthening ammonia nitrogen removal |
| CN115353257A (en) * | 2022-08-22 | 2022-11-18 | 广东首汇蓝天工程科技有限公司 | Waste water treatment device |
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Application publication date: 20200327 |
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