CN211921067U - Integrated oily wastewater treatment device - Google Patents
Integrated oily wastewater treatment device Download PDFInfo
- Publication number
- CN211921067U CN211921067U CN202020083904.6U CN202020083904U CN211921067U CN 211921067 U CN211921067 U CN 211921067U CN 202020083904 U CN202020083904 U CN 202020083904U CN 211921067 U CN211921067 U CN 211921067U
- Authority
- CN
- China
- Prior art keywords
- area
- oil
- sedimentation tank
- inclined tube
- air flotation
- 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.)
- Active
Links
Images
Landscapes
- Physical Water Treatments (AREA)
- Removal Of Floating Material (AREA)
Abstract
An integrated oily wastewater treatment device is suitable for oil-water separation treatment of oily wastewater in an oil field. The container comprises a container body of a container structure, wherein the space of the container body is divided into three areas, namely a top oil scraping area, and a front area and a rear area which are divided below the top oil scraping area; the weir crest groove is arranged in the top oil scraping area, and the oil scraper is erected on the rails at two sides of the weir crest groove; the upper part of the front area is provided with an inclined tube sedimentation tank and an air floatation device which are arranged in a front-back manner, the inclined tube sedimentation tank and the air floatation device are communicated with each other through water in a top oil scraping area, the upper tank wall of the inclined tube sedimentation tank opposite to the air floatation device is provided with a water inlet, the lower part of the front area is provided with a PLC control cabinet and a sludge hopper which are arranged in a front-back manner, and the bottom of the inclined tube sedimentation tank and a slag discharge groove pipeline on the bottom surface of the air floatation device are; the back area is a filtering area which is composed of at least two or more filters, and the back box wall of the last stage of filter is provided with a water outlet. Has the characteristics of low cost, stable process operation, strong shock resistance, small occupied area and the like.
Description
Technical Field
The utility model relates to an integration oily waste water treatment device is particularly useful for oil field oily waste water oil-water separation and handles.
Background
With the rapid development of the industrial technology in China in recent ten years, the oily wastewater discharged in the industrial production process causes serious pollution to the ecological environment and brings a great deal of harm to human life. The oil substances in the oily wastewater comprise natural petroleum, petroleum products, tar and fractions thereof, edible animal and vegetable oil, fat and the like, wherein the petroleum and the tar particularly pollute the environment of a water body. The waste water produced in oil field has the characteristics of large discharge water quantity, wide pollution range, complex pollution components, difficult biodegradation and the like, so that the treatment cost and the treatment difficulty are very high. At present, the traditional process of oil removal, coagulating sedimentation and biological treatment is adopted at home and abroad, and the problems of unstable treatment effect, poor impact resistance, substandard emission and the like exist. With the intensive research of people on the oily wastewater treatment technology and process, the membrane treatment process is widely applied to oily wastewater treatment, but the membrane product has high cost and is easy to block, and the treatment effect in engineering operation cannot be ensured.
Disclosure of Invention
The utility model aims at providing an integrated oily wastewater treatment device which has low treatment cost, high volume load, fast mass transfer speed, stable process operation, strong impact resistance and small occupied area and aims at overcoming the defects of the existing oily wastewater treatment technology in the oil field.
In particular, it is implemented in such a way that,
an integrated oily wastewater treatment device comprises a box body of a container structure, wherein the box body space is divided into three areas, namely a top oil scraping area, a front area and a rear area which are divided below the top oil scraping area; the weir crest groove is arranged in the top oil scraping area, and the oil scraper is erected on the rails at two sides of the weir crest groove; the upper part of the front area is provided with an inclined tube sedimentation tank and an air flotation device which are arranged in a front-back manner, the inclined tube sedimentation tank and the air flotation device are communicated by water in an oil scraping area at the top, the upper tank wall of the inclined tube sedimentation tank opposite to the air flotation device is provided with a water inlet, a fine grid is arranged in the inclined tube sedimentation tank at the water inlet, the lower part of the rear end in the air flotation device is provided with a baffle, the baffle and the bottom wall and the two side walls in the air flotation device form a slag discharge channel, the upper port of the slag discharge channel is communicated with the air flotation device, the bottom surface of the slag discharge channel is provided with a rectangular slag discharge groove, the lower part of the front area is provided with a PLC control cabinet and a sludge hopper which are arranged in a front-back manner, the bottom of the; the rear area is set as a filtering area, the filtering area is at least composed of two or more filters, each filter is arranged side by side in front and at the back and is sequentially communicated with water, the adjacent air flotation areas and the first-stage filters are connected by a communicating pipe at the upper parts, and the rear box wall of the last-stage filter is provided with a water outlet; an oil overflow port is arranged on the tank wall at the lower part of the weir notch groove at the same side with the water outlet.
Oily wastewater enters a fine grid through a water inlet, large particles and floating slag in the wastewater are primarily removed through the fine grid, the oily wastewater enters an inclined tube sedimentation tank, the wastewater is divided into an oil layer, a water layer and a mud layer after sedimentation, the oil layer is scraped to a weir notch groove through an oil scraper and is discharged from an oil overflow port, and the mud layer enters a sludge hopper from the bottom of the inclined tube sedimentation tank and then is discharged through a mud discharge port; the water layer gets into the air supporting device, and waste water divide into oil reservoir, water layer and mud layer again under the air supporting effect, and the oil reservoir is scraped to the weir mouth groove through the oil scraper and is discharged by the oil spilling mouth, and mud layer gets into the sludge hopper and discharges mud through mud discharging port afterwards, and the water layer gets into top-down filtration behind the primary filter through communicating pipe, gets into secondary filter from bottom to top afterwards and filters, analogizes in proper order, and the purified water after advanced treatment is discharged by the delivery port.
The filtering area can be provided with a multi-stage filter according to the treatment object and the discharge requirement, and the common filter consists of two filters with automatic back flushing functions, so that the cleaning period is prolonged, and the manual cleaning times are reduced. The first-stage filter is a stainless steel full-automatic quartz sand filter, the second-stage filter is a stainless steel modified fiber ball or fiber bundle filter, the first-stage filter and the second-stage filter are communicated with each other through a bottom pipeline, and a water outlet is formed in the upper portion of the rear box wall of the second-stage filter. After entering the primary filter, the water flow runs from top to bottom, enters the secondary filter at the bottom and runs from bottom to top.
Furthermore, the oil wiper is automatically controlled by a motor, can reciprocally wipe the oil layer at the upper end of the inclined tube sedimentation tank and the air floatation device to the weir port, and then flows out to the waste oil recovery tank from the oil overflow port.
Furthermore, a dosing device is arranged in the air floatation device, and the dosing device selects a full-automatic dosing device and can automatically dose the demulsifier into the air floatation device.
Furthermore, the air flotation device is a dissolved air flotation device, and the diameter of the generated micro-bubbles is 30-50 μm.
Furthermore, the inclined tubes of the inclined tube sedimentation tank are hexagonal honeycombs, the distance between the inclined tubes is 50-70 mm, the length of each inclined tube is about 1.2-1.5 m, the installation angle is 55-65 degrees, the sludge and water separation is facilitated, and the device is durable.
Further, the PLC control cabinet is connected with the oil wiper, the dosing device, the air flotation device and each stage of filter through control lines, and the start and stop of related equipment devices are controlled in real time.
The utility model has the advantages that:
1. the integrated arrangement of the box-type structure is utilized, and the device has the advantages of compact structure, simple process, small occupied area, strong impact resistance and convenient operation and maintenance.
2. The inclined tube sedimentation tank is utilized to improve the treatment capacity and treatment efficiency of the sedimentation tank, and meanwhile, the inclined tube made of organic materials can be attached with functional microorganisms to further adsorb and purify pollutants in the wastewater.
3. The treatment process of precipitation, air flotation and multiple filtration is utilized, so that the oil-water separation is more thorough, and the wastewater is ensured to be discharged after reaching the standard.
4. And an unpowered treatment system is adopted, so that the energy consumption is reduced, and the operation cost is saved.
Drawings
Fig. 1 is a schematic structural diagram of the utility model.
Fig. 2 is a plan view structural diagram of the present invention.
In the figure: 1 water inlet, 2 boxes, 3 fine grids, 4 inclined tube sedimentation tanks, 5 dosing devices, 6 air flotation devices, 7 baffles, 8 slag discharge tanks, 9 weir notch tanks, 10 oil overflow ports, 11 water outlets, 12 secondary filters, 13 primary filters, 14 sludge hoppers, 15 sludge discharge ports, 16PLC control cabinets, 17 oil scrapers and 18 communicating pipes.
Detailed Description
Example 1:
as shown in figure 1, an integrated oily wastewater treatment device comprises a box body 2 of a container structure, wherein the box body space is divided into three areas, namely a top oil scraping area, a front area and a rear area which are divided under the top oil scraping area; the weir crest groove 9 is arranged in the top oil scraping area, the oil wiper 17 is erected on the tracks at the two sides of the weir crest groove 9, and the oil wiper 17 is an oil wiper 17 automatically controlled by a motor; the upper part of the front area is provided with an inclined tube sedimentation tank 4 and an air floatation device 5 which are arranged in a front-back mode, the inclined tube sedimentation tank 4 is communicated with the air floatation device 5 through water in a top oil scraping area, a water inlet is formed in the wall of the upper part of the inclined tube sedimentation tank 4 opposite to the air floatation device 5, a fine grid 3 is distributed in the inclined tube sedimentation tank 4 at the water inlet, inclined tubes of the inclined tube sedimentation tank 2 are hexagonal honeycomb-shaped, the distance between the inclined tubes is 50-70 mm, the length of each inclined tube is about 1.2-1.5 m, and the installation angle is 55-65 degrees; the air flotation device 6 is a dissolved air flotation device, a full-automatic dosing device 5 is installed in the air flotation device 6, a demulsifier is added into the air flotation device, a baffle 7 is arranged at the lower part of the inner rear end of the air flotation device 5, the baffle 7 and the bottom surface wall and the two side walls in the air flotation device 5 form a slag discharge channel, the upper end opening of the slag discharge channel is communicated with the air flotation device 5, and a rectangular slag discharge groove 8 is formed in the bottom surface of the slag discharge channel; the lower part of the front zone is provided with a PLC control cabinet 16 and a sludge hopper 14 which are arranged in a front-back manner, the bottom of the inclined tube sedimentation tank 4 is communicated with the sludge hopper 14, a deslagging groove pipeline on the bottom surface of the air floatation device 5 is communicated with the sludge hopper 14, and the bottom of the sludge hopper 14 is provided with a sludge discharge port 15; the rear area is set as a filtering area, the filtering area is at least composed of two or more filters, each filter is connected with the front and the back side by side and sequentially communicated with water, the adjacent air flotation area and the first-stage filter 12 are connected with each other at the upper part by a communicating pipe 18, the rear box wall of the last-stage filter 12 is provided with a water outlet 11, and the box wall at the lower part of the weir notch 9 at the same side with the water outlet 11 is provided with an oil overflow port 10; the PLC control cabinet 16 is connected with the oil wiper 17, the dosing device 5, the air flotation device 6 and each stage of filter through control lines.
Oily wastewater enters a fine grid 2 through a water inlet 1, large particles and floating slag in the wastewater are primarily removed through the fine grid 2, the oily wastewater enters an inclined tube sedimentation tank 2, the precipitated wastewater is divided into an oil layer, a water layer and a mud layer, the oil layer is scraped to a weir crest groove 9 through an oil scraper 17 and is discharged from an oil overflow port 10, and the oil scraper can repeatedly scrape the oil layer at the upper end of the inclined tube sedimentation tank and an air floatation device to a weir crest; the mud layer enters a mud bucket 14 from the bottom of the inclined tube sedimentation tank 2 and then is discharged through a mud discharge port 15; the water layer enters an air flotation device 6, the wastewater is divided into an oil layer, a water layer and a mud layer again under the action of air flotation, and the oil layer is scraped by an oil scraper 17 and sent to a weir crest groove 9 and discharged to a waste oil recovery tank from an oil overflow port 10; the mud layer enters a mud hopper 14 and then is discharged through a mud discharge port 15, the water layer enters a primary filter 13 through a communicating pipe 18 and then is filtered from top to bottom, then enters a secondary filter 12 and is filtered from bottom to top, and so on, and the purified water after advanced treatment is discharged from a water outlet 11.
The filtering area can be provided with a multi-stage filter according to the treatment object and the discharge requirement, and the common filter consists of two filters with automatic back flushing functions, so that the cleaning period is prolonged, and the manual cleaning times are reduced. The water flow enters the first-stage filter, runs from top to bottom, enters the second-stage filter at the bottom and runs from bottom to top; the PLC control cabinet 16 is connected with the oil wiper 17, the dosing device 5, the air flotation device 6 and the filters at all levels through control lines to control the start and stop of the device.
Claims (6)
1. The utility model provides an integration oily effluent treatment plant, includes the box of container structure, its characterized in that: the box body space is divided into three areas, namely a top oil scraping area and a front area and a rear area which are divided below the top oil scraping area; the weir crest groove is arranged in the top oil scraping area, and the oil scraper is erected on the rails at two sides of the weir crest groove; the upper part of the front area is provided with an inclined tube sedimentation tank and an air flotation device which are arranged in a front-back manner, the inclined tube sedimentation tank and the air flotation device are communicated by water in an oil scraping area at the top, the upper tank wall of the inclined tube sedimentation tank opposite to the air flotation device is provided with a water inlet, a fine grid is arranged in the inclined tube sedimentation tank at the water inlet, the lower part of the rear end in the air flotation device is provided with a baffle, the baffle and the bottom wall and the two side walls in the air flotation device form a slag discharge channel, the upper port of the slag discharge channel is communicated with the air flotation device, the bottom surface of the slag discharge channel is provided with a rectangular slag discharge groove, the lower part of the front area is provided with a PLC control cabinet and a sludge hopper which are arranged in a front-back manner, the bottom of the; the rear area is set as a filtering area, the filtering area is at least composed of two or more filters, each filter is arranged side by side in front and at the back and is sequentially communicated with water, the adjacent air flotation areas and the first-stage filters are connected by a communicating pipe at the upper parts, and the rear box wall of the last-stage filter is provided with a water outlet; an oil overflow port is arranged on the tank wall at the lower part of the weir notch groove at the same side with the water outlet.
2. The integrated oily wastewater treatment device according to claim 1, characterized in that: the oil wiper is an oil wiper automatically controlled by a motor.
3. The integrated oily wastewater treatment device according to claim 1, characterized in that: a dosing device is arranged in the air floatation device.
4. The integrated oily wastewater treatment device according to claim 1, characterized in that: the air floatation device is a dissolved air floatation device.
5. The integrated oily wastewater treatment device according to claim 1, characterized in that: the pipe chute of pipe chute sedimentation tank is hexagonal honeycomb, and the interval is 50~70 mm between the pipe chute, and pipe chute length is about 1.2~1.5 m, and installation angle is 55~ 65.
6. The integrated oily wastewater treatment device according to claim 1, characterized in that: the PLC control cabinet is connected with the oil wiper, the dosing device, the air flotation device and each stage of filter through control lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020083904.6U CN211921067U (en) | 2020-01-15 | 2020-01-15 | Integrated oily wastewater treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020083904.6U CN211921067U (en) | 2020-01-15 | 2020-01-15 | Integrated oily wastewater treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211921067U true CN211921067U (en) | 2020-11-13 |
Family
ID=73330699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020083904.6U Active CN211921067U (en) | 2020-01-15 | 2020-01-15 | Integrated oily wastewater treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211921067U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112661301A (en) * | 2020-12-22 | 2021-04-16 | 江苏安绿新能源科技有限公司 | High-oil-content cleaning wastewater purification and reuse treatment process |
-
2020
- 2020-01-15 CN CN202020083904.6U patent/CN211921067U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112661301A (en) * | 2020-12-22 | 2021-04-16 | 江苏安绿新能源科技有限公司 | High-oil-content cleaning wastewater purification and reuse treatment process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201660480U (en) | Coal mine waste water disposal device | |
| CN214880707U (en) | Filtering sedimentation tank of ecological wetland | |
| CN110841340A (en) | Improved generation vertical flow sedimentation tank | |
| CN112573699A (en) | Ozone-coagulation sewage treatment device based on gravity-driven filtration | |
| CN111018193A (en) | Sewage treatment system based on swirler | |
| CN211921067U (en) | Integrated oily wastewater treatment device | |
| CN202766383U (en) | Air-floatation oil removing sand setting device | |
| CN207079096U (en) | A kind of high refined filtration energy-efficient treatment device of stain disease | |
| CN207468243U (en) | Vehicular air supporting settles grease solid separation device | |
| CN109650677A (en) | A kind of oily-water seperating equipment | |
| CN205151950U (en) | City ditch sewage treatment plant | |
| CN211770698U (en) | Wastewater zero-discharge pretreatment integrated purification equipment in steel industry | |
| CN212198584U (en) | High-efficiency dissolved air flotation device for waste water in food industry | |
| CN204607760U (en) | A kind of new-type air-floatation mud discharging device | |
| SU1381074A1 (en) | Apparatus for treating waste water | |
| RU155231U1 (en) | SEWAGE TREATMENT PLANT | |
| CN209853875U (en) | Integrated water purifying device | |
| CN204097134U (en) | Oily-water seperating equipment | |
| CN208561931U (en) | The food and drink waste water of filtering and adsorbing coupled oil removing handles integrated apparatus | |
| CN203255995U (en) | Water treatment device integrating filtration, air floatation and flocculation | |
| CN220245818U (en) | Air floatation equipment for sewage treatment | |
| CN211705999U (en) | Improved generation vertical flow sedimentation tank | |
| CN218435328U (en) | Oil removing system for phenol-ammonia wastewater | |
| CN221235279U (en) | Ozone catalytic air floatation precipitation metal sewage purification system | |
| CN201864595U (en) | Vertical-flow air flotation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |