CN216073441U - Emulsion wastewater separation processing system - Google Patents
Emulsion wastewater separation processing system Download PDFInfo
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- CN216073441U CN216073441U CN202121627503.3U CN202121627503U CN216073441U CN 216073441 U CN216073441 U CN 216073441U CN 202121627503 U CN202121627503 U CN 202121627503U CN 216073441 U CN216073441 U CN 216073441U
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Abstract
An emulsion wastewater separation treatment system belongs to the technical field of wastewater separation treatment. Comprises a sedimentation tank, a rough filtering device, a sedimentation tank, an oil pump, an evaporating tank, a cooling device, a water storage tank, an oil fume purification device, a fine filter, a dewatering filter, a circulating tank, an oil storage tank, a sludge tank and a squeezer. The device has the advantages of simple structure, convenient operation and easy maintenance, and can utilize the existing resources of steel mills to the maximum extent to carry out early construction and subsequent treatment, thereby greatly reducing the cost; the emulsion wastewater is separated into oil sludge, wastewater and waste oil, and the subsequent treatment can be carried out by utilizing the existing facilities of the steel enterprise, so that the treatment cost of the emulsion wastewater is greatly reduced.
Description
Technical Field
The utility model belongs to the technical field of wastewater separation treatment, and particularly relates to an emulsion wastewater separation treatment system.
Background
In the rolling process, in order to reduce the friction force between the rolled piece and the roller, reduce or eliminate the adverse effect of deformation and heating of the rolling area and ensure the smooth operation of the rolling process, emulsion is generally sprayed between the roller and the rolled piece. The emulsion is prepared by mixing water, base oil, surfactant, additive and the like, is easy to oxidize in the using process and is easy to deteriorate due to bacterial pollution in the storage process; moreover, the emulsion is used in a completely open environment, and a large amount of impurities are inevitably mixed in the emulsion. The emulsion wastewater contains a large amount of water, mineral oil, additives and other substances, has poor biodegradability and belongs to high-concentration refractory wastewater. The emulsion wastewater has stable chemical property and great treatment difficulty, and the cost for large-scale steel enterprises to treat the emulsion wastewater every year is up to thousands of yuan.
Disclosure of Invention
The utility model aims to provide an emulsion wastewater separation treatment system, which separates emulsion wastewater into oil sludge, wastewater and waste oil through devices such as precipitation, evaporation, filtration and the like, and then carries out subsequent treatment by utilizing the existing facilities of a steel enterprise.
The utility model comprises a sedimentation tank 1, a rough filtering device 2, an oil pump 3, a sedimentation tank 4, an oil pump 5, an evaporation tank 6, a cooling device 7, a water storage tank 8, an oil fume purification device 9, an oil pump 10, a fine filter 11, a dewatering filter 12, a circulation tank 13, an oil pump 14, an oil pump 15, an oil storage tank 16, a sludge tank 17 and a squeezer 18.
A coarse filtering device 2 is arranged at the inlet of the sedimentation tank 1, and the outlet of the sedimentation tank 1 is connected with a sedimentation tank 4 through an oil pump 3; a heating device is arranged in the sedimentation tank 4, the bottom of the sedimentation tank 4 is conical so as to discharge oil sludge, and an observation window is arranged on the conical surface at the bottom; a sludge discharge port of the settling tank 4 is connected with a sludge tank 17, a presser 18 is arranged at the sludge discharge port of the sludge tank 17, and the sludge is dewatered by the presser 18 so as to be convenient for sludge transportation; the settling tank 4 is connected with the evaporating tank 6 through an oil pump 5; a heating device and a stirring device are arranged in the evaporation tank 6, the top of the evaporation tank 6 is connected with a cooling device 7, and the cooling device 7 is connected with a water storage tank 8; the evaporation tank 6 is connected with the circulating tank 13 through an oil pump 10, a fine filter 11 and a dewatering filter 12 in sequence; the evaporation tank 6 is connected with an oil storage tank 16 through an oil pump 15; the evaporation tank 6 and the circulating tank 13 are both connected with the oil fume purification device 9;
a spray pipe and a metal corrugated plate are arranged in the evaporation tank 6, and the emulsion wastewater is sprayed onto the metal corrugated plate through the spray pipe and then flows into the tank, so that the contact area can be increased, and the evaporation efficiency is improved;
the settling tank 4 and the evaporating tank 6 are heated by steam, the steam pipeline is spiral, temperature relays are arranged in the tanks, and the temperatures of the emulsion wastewater in the settling tank 4 and the evaporating tank 6 are always in the optimal range through interlocking control; the outer walls of the settling tank 4 and the evaporating tank 6 are both wrapped with heat-insulating layers made of aluminum silicate felts.
An oil inlet of the oil pump 14 is connected with an oil outlet of the circulation tank 13, and an oil outlet of the oil pump 14 is connected with an oil inlet of the fine filter 11, so that a circulation filtering loop consisting of the fine filter 11, the dewatering filter 12, the circulation tank 13 and the oil pump 14 is formed.
The fine filter 11 is provided with a differential pressure signal transmitter and a bypass valve; the dewatering filter adopts a flocculation separation filter element and is provided with an oil-water interface sensor and an electric drain valve.
Check valves are arranged at oil outlets of all the oil pumps to prevent oil from flowing backwards.
All the parts are connected through pipelines, and all the pipelines are provided with manual switch valves.
The emulsion wastewater is sequentially separated into oil sludge, wastewater and waste oil by a rough filtering device, a sedimentation tank, an evaporation tank, a fine filter, a dewatering filter, a circulating tank and other devices, and then is subjected to subsequent treatment by utilizing the existing facilities of the steel enterprise.
The utility model has the advantages that:
1. the system has simple structure, convenient operation and easy maintenance, can utilize the existing resources of steel mills to the maximum extent for construction, and greatly reduces the investment.
2. The emulsion wastewater is separated into oil sludge, wastewater and waste oil, and the subsequent treatment can be carried out by utilizing the existing facilities of the steel enterprise, so that the treatment cost of the emulsion wastewater is greatly reduced.
Drawings
Fig. 1 is a schematic connection diagram of the device. The device comprises a sedimentation tank 1, a rough filtering device 2, an oil pump 3, a sedimentation tank 4, an oil pump 5, an evaporation tank 6, a cooling device 7, a water storage tank 8, an oil fume purification device 9, an oil pump 10, a fine filter 11, a dewatering filter 12, a circulating tank 13, an oil pump 14, an oil pump 15, an oil storage tank 16, a sludge tank 17 and a presser 18.
Detailed Description
The embodiments of the utility model will be described with reference to the accompanying drawings:
example 1
An emulsion wastewater separation treatment system comprises a sedimentation tank 1, a rough filtering device 2, an oil pump 3, a sedimentation tank 4, an oil pump 5, an evaporation tank 6, a cooling device 7, a water storage tank 8, an oil fume purification device 9, an oil pump 10, a fine filter 11, a dewatering filter 12, a circulating tank 13, an oil pump 14, an oil pump 15, an oil storage tank 16, a sludge tank 17 and a squeezer 18.
A coarse filtering device 2 is arranged at the inlet of the sedimentation tank 1, and the outlet of the sedimentation tank 1 is connected with a sedimentation tank 4 through an oil pump 3; a heating device is arranged in the sedimentation tank 4, the bottom of the sedimentation tank 4 is conical so as to discharge oil sludge, and an observation window is arranged on the conical surface at the bottom; the lower part of the settling tank 4 is connected with a sludge tank 17, and a sludge discharge port of the sludge tank 17 is provided with a presser 18 so as to carry out dehydration treatment on the oil sludge; the settling tank 4 is connected with the evaporating tank 6 through an oil pump 5; the top of the evaporation tank 6 is connected with a cooling device 7, and the cooling device 7 is connected with a water storage tank 8; the evaporation tank 6 is connected with the circulating tank 13 through an oil pump 10, a fine filter 11 and a dewatering filter 12 in sequence; the evaporation tank 6 is connected with an oil storage tank 16 through an oil pump 15; the evaporation tank 6 and the circulating tank 13 are both connected with the oil fume purification device 9;
the evaporating pot 6 is internally provided with a spray pipe, a corrugated plate, a stirring device and a heating device, and the emulsion wastewater is sprayed onto the corrugated plate through the spray pipe and then flows into the pot bottom, so that the contact area can be increased, and the evaporation efficiency is improved;
the settling tank 4 and the evaporating tank 6 are heated by steam, the steam pipeline is spiral, temperature relays are arranged in the tanks, and the temperatures of the emulsion wastewater in the settling tank 4 and the evaporating tank 6 are always in the optimal range through interlocking control; the outer walls of the settling tank 4 and the evaporating tank 6 are both wrapped with heat-insulating layers made of aluminum silicate felts;
an oil inlet of the oil pump 14 is connected with an oil outlet of the circulating tank 13, and an oil outlet of the oil pump 14 is connected with an oil inlet of the fine filter 11, so that a circulating filtering loop consisting of the fine filter 11, the dewatering filter 12, the circulating tank 13 and the oil pump 14 is formed;
the fine filter 11 is provided with a differential pressure signal transmitter and a bypass valve; the dewatering filter adopts a flocculation separation filter element and is provided with an oil-water interface sensor and an electric drain valve;
check valves are arranged at oil outlets of all the oil pumps to prevent oil from flowing backwards;
all the parts are connected through pipelines, and all the pipelines are provided with switch valves.
Claims (6)
1. An emulsion wastewater separation treatment system is characterized by comprising a sedimentation tank (1), a rough filtering device (2), a first oil pump (3), a sedimentation tank (4), a second oil pump (5), an evaporation tank (6), a cooling device (7), a water storage tank (8), an oil fume purification device (9), a third oil pump (10), a fine filter (11), a dewatering filter (12), a circulating tank (13), a fourth oil pump (14), a fifth oil pump (15), an oil storage tank (16), a sludge tank (17) and a squeezer (18); a coarse filtering device (2) is arranged at the inlet of the sedimentation tank (1), and the outlet of the sedimentation tank (1) is connected with a sedimentation tank (4) through a first oil pump (3); the bottom of the settling tank (4) is conical, and an observation window is arranged on the conical surface of the bottom; the lower part of the sedimentation tank (4) is connected with a sludge tank (17), a sludge discharge port of the sludge tank (17) is provided with a presser (18), and the sedimentation tank (4) is connected with the evaporation tank (6) through a second oil pump (5); the top of the evaporation tank (6) is connected with a cooling device (7), and the cooling device (7) is connected with a water storage pool (8); the evaporation tank (6) and the circulating tank (13) are connected with each other through a third oil pump (10), a fine filter (11) and a dewatering filter (12) in sequence; the evaporation tank (6) is connected with an oil storage tank (16) through a fifth oil pump (15); the evaporating pot (6) and the circulating pot (13) are both connected with the oil smoke purifying device (9).
2. The emulsion-based wastewater separation treatment system according to claim 1, wherein the evaporation tank (6) is further provided with a spray pipe and a corrugated metal plate.
3. The emulsion-wastewater separation treatment system according to claim 1, wherein an oil inlet of the fourth oil pump (14) is connected with an oil outlet of the circulation tank (13), and an oil outlet of the fourth oil pump (14) is connected with an oil inlet of the fine filter (11), so that a circulation filtering loop consisting of the fine filter (11), the water removal filter (12), the circulation tank (13) and the fourth oil pump (14) is formed.
4. The emulsion wastewater separation treatment system according to claim 1, wherein the water removal filter (12) employs a flocculation separation filter element and is provided with an oil-water interface sensor and an electric drain valve.
5. The emulsion-containing wastewater separation treatment system according to claim 1, wherein a heating device is provided inside the settling tank (4), and a heating device and a stirring device are provided inside the evaporation tank (6).
6. The emulsion wastewater separation treatment system according to claim 1, wherein temperature relays are arranged in the settling tank (4) and the evaporating tank (6), the outer walls of the settling tank (4) and the evaporating tank (6) are wrapped with heat insulation layers, and the heat insulation layers are made of aluminum silicate cotton felt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121627503.3U CN216073441U (en) | 2021-07-17 | 2021-07-17 | Emulsion wastewater separation processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121627503.3U CN216073441U (en) | 2021-07-17 | 2021-07-17 | Emulsion wastewater separation processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216073441U true CN216073441U (en) | 2022-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121627503.3U Active CN216073441U (en) | 2021-07-17 | 2021-07-17 | Emulsion wastewater separation processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216073441U (en) |
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2021
- 2021-07-17 CN CN202121627503.3U patent/CN216073441U/en active Active
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