CN111606437A - Tank-type sewage oil stain removing device - Google Patents
Tank-type sewage oil stain removing device Download PDFInfo
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- CN111606437A CN111606437A CN202010494659.2A CN202010494659A CN111606437A CN 111606437 A CN111606437 A CN 111606437A CN 202010494659 A CN202010494659 A CN 202010494659A CN 111606437 A CN111606437 A CN 111606437A
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- water
- tank body
- tank
- homogenizing
- function
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- 239000010865 sewage Substances 0.000 title claims abstract description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 122
- 238000007667 floating Methods 0.000 claims abstract description 22
- 239000008213 purified water Substances 0.000 claims abstract description 19
- 238000010992 reflux Methods 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 239000000284 extract Substances 0.000 claims abstract description 8
- 238000007790 scraping Methods 0.000 claims abstract description 7
- 239000010802 sludge Substances 0.000 claims abstract description 4
- 239000003657 drainage water Substances 0.000 claims abstract description 3
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000000265 homogenisation Methods 0.000 abstract description 3
- 238000004062 sedimentation Methods 0.000 abstract description 3
- 238000005188 flotation Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 52
- 239000007789 gas Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000011109 contamination Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002912 waste gas 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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
-
- 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
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- 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)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention relates to a tank type sewage and oil stain removing device, which comprises a tank body A, wherein the upper part of the tank body is provided with an adjusting capacity C meeting an adjusting function, the lower part of the tank body is provided with a homogenizing capacity B meeting a homogenizing function, a sewage inlet pipe is arranged on the side wall of the tank body A at a B/C interface, and a purified water discharge pipe is arranged on the side wall of the lower part of the homogenizing capacity B; the tank body A is also externally provided with a homogenizing reflux pump which extracts the purified drainage water at the lower part of the tank body and refluxes to the sewage inlet pipe to realize the homogenizing function; the tank body A is also externally provided with an air dissolving function pump which extracts the gas at the upper part and the purified discharged water at the lower part of the tank body A, releases the pressurized water after air dissolving through an air dissolving release device and then flows back to the sewage inlet pipe to realize the air floating function; the tank body A is also internally provided with a floating circulation oil collector for collecting liquid level scum and a mud scraper for scraping the sludge at the bottom of the tank. The invention combines the functions of 'adjustment', 'homogenization', 'sedimentation/oil removal' and 'air flotation' in one tank, thereby greatly reducing the occupied area.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to a tank type sewage oil stain removing device.
Background
The sewage, especially the sewage produced by petrochemical enterprises, contains various organic (such as oil) and inorganic (such as suspended solid) pollutants. The early stage of sewage treatment comprises the steps of adjusting, homogenizing, removing oil and suspended matters, and then carrying out post-treatment such as biochemistry and the like.
The preceding process facilities typically consist of: (1) the adjusting tank needs 24-48 hours of capacity to relieve the impact of incoming water and keep the downstream flow stable; (2) the homogenizing tank needs the capacity of 12-24 hours, homogenizes the water quality, so as to ensure the stable operation of the subsequent treatment working section; (3) the oil separation tank is used for removing free hydrocarbon organic matters; (4) and (4) removing the adhesive micro-pollutants in the air floatation tank, thereby finishing oil stain removal. These facilities suffer from the following drawbacks: the facilities are all in the pool type and occupy large land; the oil gas pollution is serious because the pool surface is huge; a cover plate can be added for preventing pollution, and an oil-gas explosion dangerous environment is formed; the oil and the sludge are difficult to discharge, and the equipment maintenance rate is high; because the pool surface is large, short flow is easy to occur, and the efficiency is low.
Disclosure of Invention
In order to solve the problems, the invention provides a tank type sewage and oil stain removing device, which integrates the functions of adjusting, homogenizing, precipitating/separating oil and air floating in one tank to achieve the purpose of removing oil and suspended matters in sewage and has the characteristics of simple structure, small occupied area and good oil outlet effect.
The purpose of the invention and the technical problem to be solved are realized by adopting the following technical scheme. The tank type sewage and oil stain removing device comprises a tank body A, wherein the upper part of the tank body A is provided with an adjusting capacity C meeting an adjusting function, the lower part of the tank body A is provided with a homogenizing capacity B meeting a homogenizing function, a sewage inlet pipe is arranged on the side wall of the tank body A at a B/C interface, and a purified water discharge pipe is arranged on the side wall of the lower part of the homogenizing capacity B; the tank body A is also externally provided with a homogenizing reflux pump which extracts the purified drainage water at the lower part of the tank body and refluxes to the sewage inlet pipe to realize the homogenizing function; the tank body A is also externally provided with an air dissolving function pump which extracts the gas at the upper part and the purified discharged water at the lower part of the tank body A, releases the pressurized water after air dissolving through an air dissolving release device and then flows back to the sewage inlet pipe to realize the air floating function; the tank body A is also internally provided with a floating circulation oil collector for collecting liquid level scum and a mud scraper for scraping the sludge at the bottom of the tank.
The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.
The tank type sewage and oil stain removing device is characterized in that the mud scraper is driven by a water turbine, and the water turbine is driven by a homogeneous reflux pump to provide driving pressure water.
The tank type sewage and oil stain removing device is characterized in that the air dissolving function pump for realizing the air floatation function is a homogenizing reflux pump, and the homogenizing reflux pump has an air dissolving function.
In the tank type sewage and oil stain removing device, a water distributor for uniformly distributing sewage fed by the sewage inlet pipe on the liquid level is further arranged in the tank body A.
In the tank-type sewage and oil stain removing device, the water distributors are ring pipe water distributors distributed along the circumference of the tank body A, and tangential water outlets are uniformly distributed on the ring pipe water distributors to form liquid level circulation water distribution, so that the inlet water is uniformly distributed on the liquid level.
In the tank-type sewage and oil stain removing device, the lower part of the tank body A is also provided with the uniformly distributed water collecting pipes connected with the purified water outlet pipe.
According to the tank type sewage and oil stain removing device, the water inlet flow of the sewage inlet pipe is variable, the water outlet flow of the purified water discharge pipe is constant, and when the water inlet flow exceeds the constant flow of the purified water, the water level rises, and the capacity C achieves an adjusting function.
In the tank type sewage and oil stain removing device, the position of the water outlet of the purified water discharge pipe is not higher than the position of the sewage inlet pipe on the tank body a.
In the tank-type sewage and oil stain removing device, the floating circulation oil collector is positioned at the center of the liquid level in the tank body A.
In the tank type sewage and oil stain removing device, the tank body A is a closed tank.
Compared with the prior art, the invention has obvious advantages and beneficial effects. By means of the technical scheme, the tank type sewage and oil stain removing device can achieve considerable technical progress and practicability, has wide industrial utilization value, and at least has the following advantages: the invention combines the functions of 'adjusting', 'homogenizing', 'depositing/separating oil' and 'air floating' in one tank, greatly reduces the occupied area, and has the characteristic of high oil removing efficiency, the oil content of the effluent is less than 80mg/L when the invention has no air floating function, and the oil content of the effluent is less than 20mg/L after the air floating function is added. In addition, the invention is a closed storage tank, is in a fully closed environment, eliminates fire and explosion hazards and has high safety factor; the environment is sanitary and safe, the waste gas leakage is avoided, the environment-friendly requirement is met, and the working condition is good; the construction cost is low, and a large amount of mud scraping, oil scraping, stirring and civil engineering cost is avoided.
Drawings
Fig. 1 is a schematic structural view of a tank type sewage and oil stain removing device of the invention.
[ description of main element symbols ]
1: sewage inlet pipe
2: purified water discharge pipe
3: water pump
4: water distributor
5: water collecting pipe
6: circulation oil collector
7: mud scraper
8: water turbine
9: dissolved air releasing device
10: mixing device
Detailed Description
To further illustrate the technical means and effects of the present invention for achieving the predetermined objects, the following detailed description will be made on the specific implementation, structure, features and effects of the tank-type sewage and oil contamination removal device according to the present invention with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1, which is a schematic structural view of a tank type sewage and oil contamination removing apparatus according to the present invention, the tank type sewage and oil contamination removing apparatus includes a tank body a having an upper portion having a regulating capacity C satisfying a regulating function and a lower portion having a homogenizing capacity B satisfying a homogenizing function. A sewage inlet pipe 1 is arranged on the side wall of the tank body A at the B/C interface, a purified water discharge pipe 2 is arranged on the side wall of the tank body A at the lower part of the homogeneous volume B, and the sewage inlet pipe 1 is connected with external incoming water; the purified water discharge pipe 2 is used for pumping the clarified water at the lower part of the tank body A for discharge and is connected with a downstream processing facility. In the embodiment of the present invention, the outlet height of the purified water discharge pipe 2 is not higher than the height of the sewage inlet pipe 1, so that the purified water can be automatically discharged from the purified water discharge pipe 2.
The water inlet of the invention is variable flow, the lower volume B is filled with the water inlet, the water outlet is constant flow (if a flow control valve is arranged on a purified water discharge pipe), when the water inlet flow exceeds the constant flow of the water outlet, the water level rises, and the volume C realizes the adjusting function.
The tank body A is also provided with a homogenizing reflux pump 3, the homogenizing reflux pump 3 pumps water out of the bottom of the tank and returns to the sewage inlet pipe 1, and a homogenizing process is realized.
The tank A is also internally provided with a water distributor 4 which is used for uniformly distributing the sewage sent by the sewage inlet pipe 1 on the liquid level in the tank. In the embodiment of the invention, the water distributor 4 is a circular pipe water distributor, tangential water outlets are uniformly distributed on the circular pipe water distributor to form liquid surface circular flow water distribution, so that inlet water is uniformly distributed on the liquid surface, and free oil directly floats on the water surface and is collected by a floating circular flow oil collector 6 positioned in the center of the tank body A.
Jar body A lower part still is equipped with the equipartition collector pipe 5 of being connected with purified water outlet pipe 2, and this equipartition collector pipe 5's setting makes jar internal formation of body A even downstream rivers. Therefore, the arrangement of the water distributor and the water collecting pipe, the homogenization volume and the large cross section of the container enable the formation of a minimum downward flow speed in the container and a stable quasi-static settlement state, so that micro suspended oil particles float upwards and suspended solids sink; is beneficial to the floating of the tiny floating oil particles and the sinking of suspended solids.
The bottom of the tank body A is also provided with a mud scraper 7 for scraping the bottom mud. The mud scraper 7 is driven by a water turbine 8, and the water turbine 8 is driven by a water pump arranged outside the tank to provide driving pressure water. In the embodiment of the present invention, the water pump for providing driving pressure water for the water turbine 8 is the homogeneous reflux pump 3, and specifically, the homogeneous reflux pump pumps the water discharged from the bottom of the tank a, and the water is driven by the water turbine and then returns to the tank a through the sewage inlet pipe 1.
In conclusion, the invention adopts the structure that the area B is in a stable and uniform downward water flow state by arranging the water distributor and the water collecting pipe, so that the area B becomes an effective settling area, simultaneously, the floating circulation oil collector 6 is arranged for collecting floating oil, and the mud scraper 7 is arranged for scraping accumulated mud to complete the functions of settling and oil removal.
In order to realize the air floatation function, the invention introduces the gas at the upper part of the tank body A through a pump with the air dissolving function, simultaneously extracts the water at the bottom of the tank body A, and makes the water after pressurized air dissolving flow back to the sewage inlet pipe 1 after passing through the air dissolving release device 9.
In the embodiment of the present invention, the pump with the gas dissolving function is the homogenizing reflux pump 3, the homogenizing reflux pump 3 introduces gas at the upper part of the tank body a, and simultaneously extracts water at the bottom of the tank body a, and the pressurized and dissolved water flows back to the sewage inlet pipe 1 after passing through the dissolved gas releasing device 9 after driving the water turbine. The gas-dissolved water is released in the gas-dissolved releasing device 9, then is mixed with the inlet water in the sewage inlet pipe 1, is discharged through the circulation water distributor, forms scum on the liquid level, and the scum is collected and discharged through the floating circulation oil collector 6.
In the embodiment of the present invention, the tank body a is a closed tank, but is not limited thereto.
The invention relates to a tank type sewage and oil stain removing device which combines the functions of 'regulation', 'homogenization', 'sedimentation/oil removal' and 'air flotation', and removes oils and suspended matters in sewage. The upper part of the tank body is provided with the adjusting capacity, and the lower part of the tank body is provided with the homogenizing capacity, and the capacities respectively meet the adjusting and homogenizing requirements; the water inlet is variable flow, the water outlet is constant flow, and the water inlet and outlet flow is adjusted by the upper volume; a backflow homogenizing mode is adopted, a backflow homogenizing pump is arranged to pump the bottom effluent and return the bottom effluent to a water inlet end, and a homogenizing process is realized; the method is characterized in that a liquid level circulation water distribution mode is adopted, so that inlet water is uniformly distributed on a liquid level, free oil directly floats on the water level, uniformly distributed water collecting pipes are arranged at the bottom of the device and form uniform downward water flow with the liquid level water distribution, a small downward flow speed is formed by utilizing the uniform volume and a large cross section of a container, a stable quasi-static settlement state is formed, micro suspended oil particles float upwards, suspended solids sink, and therefore a stable uniform downward water flow state in a B area is constructed to form an effective settlement area, the sedimentation/oil separation function is completed, then floating oil is collected by arranging a floating circulation oil collector, and a mud scraper is arranged to scrape deposited mud. The mud scraper is driven by a water turbine, the water turbine is powered by a backflow homogenizing pump, and the mud scraper is dual-purpose. The homogeneous reflux pump adopts a dissolved air functional pump, introduces gas at the upper part in the tank, pressurizes the dissolved air water to drive the water turbine and then flows back to the water inlet end, thereby realizing the air floatation function and realizing three functions of one machine; arranging a dissolved gas releasing device at the tail end of the backflow water, releasing the dissolved gas water, mixing the dissolved gas water with the inflow water, discharging the mixture through a circulation water distributor, and forming scum on the page; the scum is collected and discharged by a floating circular flow oil collector.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a pot-type sewage greasy dirt clearing device which characterized in that: the tank body A is provided with a regulating capacity C meeting the regulating function at the upper part and a homogenizing capacity B meeting the homogenizing function at the lower part, a sewage inlet pipe is arranged on the side wall of the B/C interface of the tank body A, and a purified water outlet pipe is arranged on the side wall of the lower part of the homogenizing capacity B; the tank body A is also externally provided with a homogenizing reflux pump which extracts the purified drainage water at the lower part of the tank body and refluxes to the sewage inlet pipe to realize the homogenizing function; the tank body A is also externally provided with an air dissolving function pump which extracts the gas at the upper part and the purified discharged water at the lower part of the tank body A, releases the pressurized water after air dissolving through an air dissolving release device and then flows back to the sewage inlet pipe to realize the air floating function; the tank body A is also internally provided with a floating circulation oil collector for collecting liquid level scum and a mud scraper for scraping the sludge at the bottom of the tank.
2. The tank type sewage oil stain removing device according to claim 1, characterized in that: the mud scraper is driven by a water turbine, and the water turbine is driven by driving pressure water provided by a homogeneous reflux pump.
3. The tank type sewage oil stain removing device according to claim 1 or 2, characterized in that: the air dissolving function pump for realizing the air floating function is a homogenizing reflux pump, and the homogenizing reflux pump has the air dissolving function.
4. The tank type sewage oil stain removing device according to claim 3, characterized in that: wherein the tank A is also internally provided with a water distributor which is used for uniformly distributing the sewage sent by the sewage inlet pipe on the liquid level.
5. The tank type sewage oil stain removing device according to claim 4, characterized in that: the water distributor is a circular pipe water distributor distributed along the circumference of the tank body A, tangential water outlets are uniformly distributed on the circular pipe water distributor to form liquid level circulation water distribution, and inlet water is uniformly distributed on the liquid level.
6. The tank type sewage oil stain removing device according to claim 5, characterized in that: wherein the lower part of the tank body A is also provided with an evenly distributed water collecting pipe connected with a purified water outlet pipe.
7. The tank type sewage oil stain removing device according to claim 1, characterized in that: the inlet flow of the sewage inlet pipe is variable flow, the outlet flow of the purified water discharge pipe is constant flow, when the inlet flow exceeds the constant flow of the outlet water, the water level rises, and the capacity C realizes the adjusting function.
8. The tank type sewage oil stain removing device according to claim 1, characterized in that: wherein the position of the water outlet of the purified water discharge pipe is not higher than the position of the sewage inlet pipe on the tank body A, thereby realizing the automatic discharge of the purified water.
9. The tank type sewage oil stain removing device according to claim 5, characterized in that: the floating circulation oil collector is positioned at the center of the liquid level in the tank body A.
10. The tank type sewage oil stain removing device according to any one of claims 1 to 2 and 4 to 9, characterized in that: wherein the tank body A is a closed tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010494659.2A CN111606437A (en) | 2020-06-03 | 2020-06-03 | Tank-type sewage oil stain removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010494659.2A CN111606437A (en) | 2020-06-03 | 2020-06-03 | Tank-type sewage oil stain removing device |
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| Publication Number | Publication Date |
|---|---|
| CN111606437A true CN111606437A (en) | 2020-09-01 |
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ID=72195142
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010494659.2A Pending CN111606437A (en) | 2020-06-03 | 2020-06-03 | Tank-type sewage oil stain removing device |
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| CN (1) | CN111606437A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1613536A (en) * | 2004-07-19 | 2005-05-11 | 抚顺市明尧石油机械有限公司 | Floating circular current oil receiver and circular current separating method |
| CN102583614A (en) * | 2012-02-03 | 2012-07-18 | 扬州绿都环境工程设备有限公司 | Full-automatic dissolved air floatation device |
| CN202448340U (en) * | 2011-12-27 | 2012-09-26 | 湖南路路通塑业股份有限公司 | Water flow pressure stabilizing device and water-cooling forming system for plastic pipe |
| CN202754829U (en) * | 2012-06-27 | 2013-02-27 | 中国石油天然气股份有限公司 | Sedimentation oil removal tank |
| CN202864943U (en) * | 2012-08-23 | 2013-04-10 | 北京欧泰克石油工程技术有限责任公司 | Multifunctional regulating kettle for pretreatment of oily wastewater |
| CN203754466U (en) * | 2014-01-21 | 2014-08-06 | 张庆忠 | Floating circulation oil, suspension and sludge receiving and discharging device |
| CN204356103U (en) * | 2014-11-14 | 2015-05-27 | 中国市政工程华北设计研究总院有限公司 | A kind of counter current contact formula ozone dissolved air flotation device |
| CN106995781A (en) * | 2016-01-22 | 2017-08-01 | 北京晶透太阳能电站清洁服务有限公司 | A kind of super-huge anaerobic fermentation tower bottom of towe hydro powered scrapes husky machine |
| CN209276196U (en) * | 2018-09-28 | 2019-08-20 | 湖北君集水处理有限公司 | A kind of cyclone air-flotation separator |
| CN110439726A (en) * | 2018-05-04 | 2019-11-12 | 芜湖佳泽利环境资源科技有限公司 | It is a kind of that device being filtered with the electrolysis side for removing scale using hydraulic turbine driving scraper rotation |
| CN212425642U (en) * | 2020-06-03 | 2021-01-29 | 洛阳捷安环保科技有限公司 | Tank-type sewage oil stain removing device |
-
2020
- 2020-06-03 CN CN202010494659.2A patent/CN111606437A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1613536A (en) * | 2004-07-19 | 2005-05-11 | 抚顺市明尧石油机械有限公司 | Floating circular current oil receiver and circular current separating method |
| CN202448340U (en) * | 2011-12-27 | 2012-09-26 | 湖南路路通塑业股份有限公司 | Water flow pressure stabilizing device and water-cooling forming system for plastic pipe |
| CN102583614A (en) * | 2012-02-03 | 2012-07-18 | 扬州绿都环境工程设备有限公司 | Full-automatic dissolved air floatation device |
| CN202754829U (en) * | 2012-06-27 | 2013-02-27 | 中国石油天然气股份有限公司 | Sedimentation oil removal tank |
| CN202864943U (en) * | 2012-08-23 | 2013-04-10 | 北京欧泰克石油工程技术有限责任公司 | Multifunctional regulating kettle for pretreatment of oily wastewater |
| CN203754466U (en) * | 2014-01-21 | 2014-08-06 | 张庆忠 | Floating circulation oil, suspension and sludge receiving and discharging device |
| CN204356103U (en) * | 2014-11-14 | 2015-05-27 | 中国市政工程华北设计研究总院有限公司 | A kind of counter current contact formula ozone dissolved air flotation device |
| CN106995781A (en) * | 2016-01-22 | 2017-08-01 | 北京晶透太阳能电站清洁服务有限公司 | A kind of super-huge anaerobic fermentation tower bottom of towe hydro powered scrapes husky machine |
| CN110439726A (en) * | 2018-05-04 | 2019-11-12 | 芜湖佳泽利环境资源科技有限公司 | It is a kind of that device being filtered with the electrolysis side for removing scale using hydraulic turbine driving scraper rotation |
| CN209276196U (en) * | 2018-09-28 | 2019-08-20 | 湖北君集水处理有限公司 | A kind of cyclone air-flotation separator |
| CN212425642U (en) * | 2020-06-03 | 2021-01-29 | 洛阳捷安环保科技有限公司 | Tank-type sewage oil stain removing device |
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