CN216236326U - Oily wastewater separation device - Google Patents
Oily wastewater separation device Download PDFInfo
- Publication number
- CN216236326U CN216236326U CN202122841131.0U CN202122841131U CN216236326U CN 216236326 U CN216236326 U CN 216236326U CN 202122841131 U CN202122841131 U CN 202122841131U CN 216236326 U CN216236326 U CN 216236326U
- Authority
- CN
- China
- Prior art keywords
- communicated
- air
- mixer
- liquid
- gas
- 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
- 239000002351 wastewater Substances 0.000 title claims abstract description 29
- 238000000926 separation method Methods 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 52
- 239000002893 slag Substances 0.000 claims abstract description 33
- 238000002347 injection Methods 0.000 claims description 18
- 239000007924 injection Substances 0.000 claims description 18
- 238000007790 scraping Methods 0.000 claims description 10
- 239000003814 drug Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims 2
- 239000000126 substance Substances 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 21
- 239000008394 flocculating agent Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 4
- 238000007667 floating Methods 0.000 description 4
- 238000005188 flotation Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Physical Water Treatments (AREA)
Abstract
The utility model discloses an oil-containing wastewater separation device. A great amount of oily wastewater is generated in various industries, so that an oily wastewater separation device needs to be designed urgently to meet the development requirements of the modern society. In the utility model, a liquid inlet of a pressurized dissolved gas mixer is communicated with an oil-containing wastewater pool, a gas inlet is communicated with industrial air, and a gas-liquid outlet is communicated with an inlet end of a dosing mixer; the dosing device is communicated with the inlet end of the dosing mixer; the outlet end of the dosing mixer is communicated with an air floatation separator, liquid is fed in a tangential liquid feeding mode at the innermost layer of the separation chamber, and a pneumatic slag scraper is arranged at the top of the air floatation separator; the dirty oil port of the air floatation separator is communicated with a dirty liquid tank, the clear liquid port is communicated with a clear liquid tank, and the bottom of the air floatation separator is communicated with a slag tank. The controller controls the on-off of each pneumatic valve through an air pipe. The utility model adopts full-automatic control, improves the effluent quality by adjusting the flocculating agent amount and the treated water amount, and effectively separates oil, water and slag.
Description
Technical Field
The utility model belongs to the technical field of oil-water treatment equipment, and particularly relates to an oil-containing wastewater separation device.
Background
With the development of the industrialized society, various industries generate a large amount of oily wastewater. If the oily wastewater is directly discharged into the natural environment without certain technical treatment and separation, the ecological environment can be seriously damaged. The existing oily wastewater treatment device has low treatment efficiency and unsatisfactory treatment effect, so that an oily wastewater separation device needs to be designed urgently to meet the development requirements of the modern society.
Disclosure of Invention
In order to make up the defects of the prior art, the utility model provides the oil-containing wastewater separation device which can effectively separate oil, water and slag in the oil-containing wastewater.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
an oil-containing wastewater separation device comprises a dosing mixer, a dosing device, a controller and a pressurized dissolved air mixer; a liquid inlet on the pressurized dissolved air mixer is communicated with an oil-containing wastewater pool through a liquid inlet pump, and a gas inlet on the pressurized dissolved air mixer is communicated with industrial air through a pneumatic control valve N5; a pressure gauge PT is arranged on the pressurizing gas-dissolving mixer, the pressurizing gas-dissolving mixer is communicated with the oily wastewater pool through a pressure release valve N6, and a gas-liquid outlet of the pressurizing gas-dissolving mixer is communicated with an inlet end of the dosing mixer;
the medicine adding device is communicated with the inlet end of the medicine adding mixer through a medicine adding pump N2; the outlet end of the dosing mixer is communicated with the air floatation separator, and liquid is fed in a tangential liquid feeding mode at the innermost layer of the separation chamber; the top of the air floatation separator is provided with a pneumatic slag scraper, and an air inlet on the pneumatic slag scraper is communicated with industrial air through a pneumatic control valve N4;
the dirty oil port on the air floatation separator is communicated with a dirty liquid pool through a pipeline; a clear liquid port on the air floatation separator is communicated with a clear liquid tank through a pipeline; the bottom of the air floatation separator is provided with a pneumatic control valve N3, and the pneumatic control valve N3 is communicated with a slag pool through a pipeline;
the controller is connected with the liquid inlet pump, the dosing pump N2, the pneumatic control valve N3, the pneumatic control valve N4, the pneumatic control valve N5 and the pressure relief valve N6 through air pipes, and the controller is connected with the pressure gauge PT through signal lines.
The pneumatic slag scraper comprises a gas pipe, the gas pipe is communicated with one end of a bearing seat in a sealing manner, and an upper bearing is arranged in the bearing seat; one end of the rotating shaft is matched with the upper bearing, the inside of the rotating shaft is communicated with the gas pipe, and the other end of the rotating shaft is supported by the lower bearing; both sides of the rotating shaft are respectively connected with an air injection rod, the inside of the rotating shaft is communicated with the air injection rod, and the air injection rod is provided with an air injection hole; a slag scraping sheet is fixedly connected below the air injection rod, the end part of the slag scraping sheet is an arc surface, and the arc surface is arranged in the exhaust reverse direction of the air injection hole on the air injection rod;
and support rods are fixedly connected to two sides of the bearing seat and fixedly connected with the air floatation separator.
The utility model has the beneficial effects that:
1) the utility model can effectively separate the oily wastewater, so that three phases of oil, water and slag are effectively separated;
2) the utility model can adjust the flocculating agent amount and the treated water amount according to the actual production and different water quality conditions, and improve the effluent quality;
3) the utility model adopts full-automatic control, saves labor force and improves the working efficiency of personnel.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention:
FIG. 2 is a schematic view of the pneumatic slag scraper of the present invention;
FIG. 3 is a schematic structural view of an air floatation separator;
in the figure, 1-an oily wastewater tank, 2-a liquid inlet pump, 3-a dosing mixer, 4-a dosing device, 5-an air flotation separator, 6-a slag tank, 7-a sewage tank, 8-a clear liquid tank, 9-a controller, 10-a pneumatic slag scraper, 11-a pressurized gas dissolving mixer, 1001-a support rod, 1002-a gas pipe, 1003-a bearing seat, an upper bearing-1004, a rotating shaft-1005, a lower bearing-1006, a gas injection rod-1007 and a slag scraping sheet-1008 are arranged.
Detailed Description
The present invention will be described in detail with reference to specific embodiments.
As shown in fig. 1, the overall structure of the utility model is schematically illustrated, a liquid inlet of a pressurized dissolved gas mixer 11 is communicated with an oil-containing wastewater pool 1 through a liquid inlet pump 2, and a gas inlet of the pressurized dissolved gas mixer 11 is communicated with industrial wind through a pneumatic control valve N5; a pressure gauge PT is arranged on the pressurized dissolved air mixer 11; the pressurized dissolved gas mixer 11 is communicated with the oily wastewater pool 1 through a pressure relief valve N6, and a gas-liquid outlet of the pressurized dissolved gas mixer 11 is communicated with an inlet end of the dosing mixer 3;
the pressurized dissolved gas mixer 11 is an existing product, oily wastewater enters a gas-liquid micro-mixer from a liquid inlet, pressurized gas enters the gas-liquid micro-mixer from a gas inlet, gas and liquid enter the pressurized mixer along the water flow direction and are fully mixed, and the gas and liquid are discharged from a mixed gas-liquid outlet and enter the dosing mixer 3;
the dosing device 4 is communicated with the inlet end of the dosing mixer 3 through a dosing pump N2, and the dosing device 4 and the dosing mixer 3 are matched with a mature product in the market; the outlet end of the dosing mixer 3 is communicated with an air flotation separator 5; the top of the air floatation separator 5 is provided with a pneumatic residue scraper 10, and a sump oil port on the air floatation separator 5 is communicated with a sump oil tank 7 through a pipeline; a clear liquid port on the air floatation separator 5 is communicated with a clear liquid tank 8 through a pipeline; the bottom of the air floatation separator 5 is provided with a pneumatic control valve N3, and the pneumatic control valve N3 is communicated with the slag pool 6 through a pipeline;
as shown in fig. 3, the air-flotation separator 5 is cylindrical and is made of a steel plate, a steel pipe and a flange by welding, and mainly comprises a three-stage separation chamber, a sewage tank, a clear liquid tank, a sediment tank, a liquid inlet, a slag discharge port, a clear liquid port and the like; in order to more effectively realize solid-liquid separation, the air floatation separator changes the inlet position of the original air floatation settling equipment, liquid is fed from the cylindrical part at the bottom of the original air floatation settling equipment, the liquid is fed from the middle part of the circular table of the separation chamber in a tangent way, and a liquid inlet pipe is directly communicated with the innermost separation chamber; in addition, the bottom cylinder part of the separation chamber is lengthened, the cyclone effect is better after the change, and the settling effect of solid flocculate is better.
After a certain amount of flocculating agent is added into the mixed dissolved air water through a dosing device, micro bubbles in the dissolved air water and flocs in the wastewater are mutually bonded and enter an air floatation separator together, the flocs and the bubbles rise to the liquid level together under the action of bubble buoyancy to form floating oil residues, and the floating oil residues are scraped to a floating oil residue area by a pneumatic residue scraper and flow out from a dirty oil outlet; clear water at the lower layer is collected to a clear water area through a water collecting pipe and is discharged from a clear water port; under the action of a flocculating agent, particles and the like in the liquid become large and heavy, sink into the cone of the cylinder and are discharged from the slag discharge port, so that the three phases of dirty oil, solid matters and liquid are effectively separated;
as shown in fig. 2, the pneumatic slag scraper 10 comprises a gas pipe 1002, the gas pipe 1002 is in sealed communication with one end of a bearing seat 1003, and an upper bearing 1004 is arranged in the bearing seat 1003; one end of a rotating shaft 1005 is matched with the upper bearing 1004, the inside of the rotating shaft 1005 is communicated with the air pipe 1002, and the other end of the rotating shaft 1005 is supported by the lower bearing 1006; two sides of the rotating shaft 1005 are respectively connected with an air injection rod 1007, the inside of the rotating shaft 1005 is communicated with the air injection rod 1007, and air injection holes are formed in the air injection rod 1007; a slag scraping sheet 1008 is fixedly connected below the jet rod 1007, the end part of the slag scraping sheet 1008 is an arc surface, and the arc surface is arranged in the exhaust reverse direction of the jet hole on the jet rod 1007; two sides of the bearing seat 1003 are fixedly connected with support rods 1001, and the support rods 1001 are fixedly connected with the air floatation separator 5;
the air inlet on the pneumatic slag scraper 10 is communicated with industrial air through a pneumatic control valve N4; gas discharged from the gas injection holes on the gas injection rod 1007 pushes the slag scraping sheet to rotate around the shaft, so as to achieve the slag scraping effect; when the scraper is manufactured, the difference between the highest part and the lowest part of the scraper is more than 5mm, so that floating oil can be well scraped out, and the water is reduced as much as possible;
the controller 9 is in the prior art, the controller 9 is connected with the liquid inlet pump 2, the dosing pump N2, the pneumatic control valve N3, the pneumatic control valve N4, the pneumatic control valve N5 and the pressure release valve N6 through air pipes, and a PLC (programmable logic controller), a touch display screen and a plurality of electromagnetic valves are arranged in the controller 9; after the controller 9 is electrified and ventilated, the on-off state of the electromagnetic valves can be changed one by one through program setting and time setting, so that the aim of controlling each pump valve is fulfilled; the controller 9 is connected with the pressure gauge PT through a signal wire, and the purpose of controlling the pressure gauge PT is achieved through setting a pressure range; the power supply matched with the controller is alternating current 220V, the power is 0.15Kw, the matched gas source is a clean instrument gas source, the pressure is 0.6MPa, and the gas consumption is determined according to the treatment capacity;
the working process of the utility model is as follows:
1) starting a liquid inlet pump, and pumping the oily wastewater in the oily wastewater pool 1 into a pressurized dissolved gas mixer 11;
2) simultaneously with the step 1), opening a pneumatic control valve N5, and introducing pressurized industrial gas to be mixed with the oily wastewater to form gas-dissolved water;
3) under the condition of certain working pressure, the air-dissolving water enables the air to be dissolved into the water to the maximum extent, and tiny bubbles are formed through decompression and release and enter a pressurizing mixer; the pressure of the pressurizing mixer is controlled by a pressure gauge PT through a controller 9; when the pressure exceeds a set value, the pressure release valve N6 can be automatically opened, and the pressure-released gas-dissolving water flows into the oily wastewater pool 1;
4) starting a dosing pump N2, and enabling a flocculating agent stirred by a dosing device 4 to pass through a dosing mixer 3 to be subjected to effective flocculation reaction with the primarily and fully mixed dissolved air water, and then entering an air floatation separator 5;
5) air bubbles and light suspended matters wrapped by oil in the air floatation separator 5 move upwards, the fully flocculated particles with larger and larger mass sink to the bottom of the container, and clear water with the oil and the suspended matters removed is arranged in the middle;
6) lifting oil and light suspended matters to the top, opening a pneumatic control valve N4, starting the operation of a pneumatic slag scraper 10 fixed at the top of the air floatation separator 5 under the pushing of industrial gas, scraping the oil and the light suspended matters into a dirty oil cavity, and enabling dirty oil to flow into a dirty oil pool 7 through a pipeline;
7) large-particle sediments sinking to the bottom are discharged to the slag pool 6 from the bottom through the pneumatic control valve N3 which is opened intermittently, and clear liquid after oil and slag removal flows into the clear liquid pool 8.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model is not limited to the examples, and any equivalent changes to the technical solution of the utility model by a person skilled in the art after reading the description of the utility model are covered by the claims of the utility model.
Claims (2)
1. The utility model provides an oily waste water separator, includes adds medicine blender (3), charge device (4), controller (9), pressurization dissolved air blender (11), its characterized in that: a liquid inlet on the pressurized dissolved air mixer (11) is communicated with the oily wastewater pool (1) through a liquid inlet pump (2), and a gas inlet on the pressurized dissolved air mixer (11) is communicated with industrial air through a pneumatic control valve N5; a pressure gauge PT is arranged on the pressurizing and gas dissolving mixer (11), the pressurizing and gas dissolving mixer (11) is communicated with the oily wastewater pool (1) through a pressure relief valve N6, and a gas-liquid outlet of the pressurizing and gas dissolving mixer (11) is communicated with an inlet end of the dosing mixer (3);
the medicine adding device (4) is communicated with the inlet end of the medicine adding mixer (3) through a medicine adding pump N2; the outlet end of the chemical adding mixer (3) is communicated with the air floatation separator (5), and liquid is fed in a tangential liquid feeding mode at the innermost layer of the separation chamber; the top of the air floatation separator (5) is provided with a pneumatic slag scraper (10), and an air inlet on the pneumatic slag scraper (10) is communicated with industrial air through a pneumatic control valve N4;
the dirty oil port on the air floatation separator (5) is communicated with a dirty liquid pool (7) through a pipeline; a clear liquid port on the air floatation separator (5) is communicated with a clear liquid tank (8) through a pipeline; the bottom of the air floatation separator (5) is provided with a pneumatic control valve N3, and the pneumatic control valve N3 is communicated with the slag pool (6) through a pipeline;
the controller (9) is connected with the liquid inlet pump (2), the dosing pump N2, the pneumatic control valve N3, the pneumatic control valve N4, the pneumatic control valve N5 and the pressure relief valve N6 through air pipes, and the controller (9) is connected with the pressure gauge PT through signal lines.
2. The oil-containing wastewater separation device according to claim 1, characterized in that: the pneumatic slag scraper (10) comprises a gas pipe (1002), one end of the gas pipe (1002) is communicated with one end of a bearing seat (1003) in a sealing mode, and an upper bearing (1004) is arranged in the bearing seat (1003); one end of the rotating shaft (1005) is matched with the upper bearing (1004), the inside of the rotating shaft (1005) is communicated with the air conveying pipe (1002), and the other end of the rotating shaft (1005) is supported by the lower bearing (1006); both sides of the rotating shaft (1005) are respectively connected with an air injection rod (1007), the inside of the rotating shaft (1005) is communicated with the air injection rod (1007), and the air injection rod (1007) is provided with an air injection hole; a slag scraping sheet (1008) is fixedly connected below the gas spraying rod (1007), the end part of the slag scraping sheet (1008) is an arc surface, and the arc surface is arranged in the exhaust reverse direction of a gas orifice on the gas spraying rod (1007);
the two sides of the bearing seat (1003) are fixedly connected with supporting rods (1001), and the supporting rods (1001) are fixedly connected with the air floatation separator (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122841131.0U CN216236326U (en) | 2021-11-18 | 2021-11-18 | Oily wastewater separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122841131.0U CN216236326U (en) | 2021-11-18 | 2021-11-18 | Oily wastewater separation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216236326U true CN216236326U (en) | 2022-04-08 |
Family
ID=80947861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122841131.0U Active CN216236326U (en) | 2021-11-18 | 2021-11-18 | Oily wastewater separation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216236326U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113979563A (en) * | 2021-11-18 | 2022-01-28 | 刘军颖 | Oily wastewater separation device |
-
2021
- 2021-11-18 CN CN202122841131.0U patent/CN216236326U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113979563A (en) * | 2021-11-18 | 2022-01-28 | 刘军颖 | Oily wastewater separation device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103936093B (en) | A kind of high-efficiency dissolved air flotation system | |
| CN201132779Y (en) | Air-floatation device | |
| CN216236326U (en) | Oily wastewater separation device | |
| CN1057281C (en) | High-effect anaerobic treatment device for waste water and method thereof | |
| CN105330062B (en) | A kind of modularization is interior to recycle gas-flotation filter device | |
| CN104671321A (en) | Efficient dissolved air flotation machine | |
| CN105597377A (en) | Three-phase separation device for under-pressure condition | |
| CN201901603U (en) | Ultrasonic air-floatation machine | |
| CN203890088U (en) | Efficient dissolved air flotation system | |
| CN113979563A (en) | Oily wastewater separation device | |
| CN210505888U (en) | Integrated physical method oilfield water treatment device | |
| CN219217621U (en) | High-efficiency air-float separation purifier | |
| CN107381866A (en) | Integrated high efficiency mud-water separation purifier | |
| CN105198113A (en) | Oil-containing and aldehyde-containing waste water treatment device | |
| CN203866134U (en) | Movable type wastewater treatment device | |
| CN106395959A (en) | Horizontal flow type automatic deslagging air-flotation device | |
| CN214808666U (en) | Novel automatic pulse air-lift sludge discharging device for water treatment | |
| CN201470154U (en) | On-line automatic backwash oil-water separation device | |
| CN102583614A (en) | Full-automatic dissolved air floatation device | |
| CN210656396U (en) | Bucket formula effluent treatment plant | |
| CN2732714Y (en) | Jet flow multi-step flotation and purifying machine | |
| CN219603303U (en) | High-efficient air supporting machine | |
| CN2532066Y (en) | Two-purpose settle pound for sewage treatment | |
| CN216711647U (en) | Air floatation machine equipment for treating industrial wastewater | |
| CN106277148A (en) | A kind of vertical-flow dissolved gas floatator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |