CN112142245A - Cold rolling oil emulsion wastewater pretreatment device - Google Patents
Cold rolling oil emulsion wastewater pretreatment device Download PDFInfo
- Publication number
- CN112142245A CN112142245A CN202010940730.5A CN202010940730A CN112142245A CN 112142245 A CN112142245 A CN 112142245A CN 202010940730 A CN202010940730 A CN 202010940730A CN 112142245 A CN112142245 A CN 112142245A
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- Prior art keywords
- box
- pipe
- water tank
- oil emulsion
- box body
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- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/046—Treatment of water, waste water, or sewage by heating by distillation or evaporation under vacuum produced by a barometric column
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
Abstract
The invention provides a cold-rolling oil emulsion wastewater pretreatment device, and mainly relates to the field of wastewater treatment. Cold-rolled oil emulsion waste water pretreatment device includes the box, set up filter equipment in the box, filter equipment sliding connection is on the support frame, support frame bottom fixed connection is the bottom in the box, the heating pipe is installed to the bottom in the box, box one side sets up the water tank, the water tank top sets up the air exhauster, set up the suction line way on the air exhauster, suction line connection is in box one side, set up refrigerator and refrigeration pipe in the water tank, the water tank top sets up out the tuber pipe, the outside activity of box is provided with the frame. The invention has the beneficial effects that: according to the invention, solid substances in the wastewater can be filtered out through the filtering device arranged in the box body, recyclable liquid water can be obtained through low-pressure heating evaporation, meanwhile, energy consumption is saved through low-temperature heating evaporation, and filter residues can be poured conveniently through the vehicle frame.
Description
Technical Field
The invention mainly relates to the field of wastewater treatment, in particular to a cold-rolled oil emulsion wastewater pretreatment device.
Background
In the steel industry, the subsequent process of steel production by cold rolling mainly produces products with high technological content and high added value. According to different application requirements, cold-rolled products are various in variety, and the treatment of production wastewater generated in the production process of the cold-rolled products is also the most complicated. In recent years, with the continuous development and progress of industry and the great trend of energy conservation and environmental protection, the treatment of emulsion wastewater in the cold rolling process of steel production is more and more emphasized by countries, production enterprises and demanding users.
At present, the core concept of cold rolling oil emulsion wastewater treatment is as follows: and separating the cold rolling oil from the mixed water. From a microscopic perspective, the surface of water is wrapped with oil (even emulsified oil), so that "demulsification" becomes the key of waste liquid treatment and is the research direction of a large number of related practitioners. The cold rolling oil emulsion wastewater treatment method comprises the following steps: chemical methods (acidification method, salting-out method, acidification coagulation method, demulsifier method, etc.), physical methods (electrolytic treatment method, air floatation method, high gradient magnetic separation method, ultrafiltration method), and physicochemical methods (chemical demulsification + electrolytic air floatation method).
However, the following problems still exist when the existing 'demulsification' method is adopted to treat the wastewater: the cold-rolled oil emulsion wastewater contains more solid impurities generated in processing, and if the cold-rolled oil emulsion wastewater is not filtered out firstly, the subsequent emulsion wastewater treatment efficiency is seriously influenced; in recent years, the production volume is increased, the waste water amount is large, the load of waste water treatment equipment is large, the treatment effect is reduced after long-term operation, and the waste water treatment efficiency needs to be improved.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a cold-rolling oil emulsion wastewater pretreatment device, which can timely filter out solid substances in wastewater through a filtering device arranged in a box body, the air pressure in the box body is reduced through an exhaust fan, the boiling point of water is reduced under low pressure and is easier to vaporize, steam after heating and evaporation is conveyed into a water tank by the exhaust fan, the gas pressure in the water tank is high, the boiling point of water is increased, the steam is quickly liquefied when meeting a low-temperature refrigeration pipe to obtain recyclable liquid water, meanwhile, the low-temperature low-pressure evaporation saves energy, the purposes of energy conservation and environmental protection are achieved, and filter residues can be conveniently poured through the filtering device and a frame which can be taken out in a sliding manner. After the cold rolling oil emulsion wastewater is pretreated, the efficiency of subsequent waste liquid treatment is greatly improved.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a cold rolling oil emulsion wastewater pretreatment device comprises a box body, a water tank and a frame, wherein a filtering device is arranged in the box body, the filtering device is connected on a supporting frame in a sliding manner, the bottom of the supporting frame is fixedly connected to the inner bottom of the box body, a heating pipe is installed at the inner bottom of the box body, a water inlet pipe is arranged at the front side of the box body, a first water drain pipe is arranged at the rear side of the box body, an opening is arranged at the rear side of the box body, hinged seats and hooks are respectively arranged on the outer walls of the box body at two sides of the opening, a sealing cover is slidably installed on the hinged seats, a stop lever is rotatably arranged on the sealing cover, the water tank is arranged at one side of the box body, an exhaust fan is arranged at the top of the water tank, an exhaust pipeline is arranged on, the water tank top sets up out the tuber pipe, the outside activity of box is provided with the frame that suits with filter equipment, opening, controlling means links to each other with heating pipe, air exhauster, refrigerator electricity.
The frame includes parallel slide rail, parallel slide rail front side fixed connection semi-arc end slide rail, the parallel slide rail rear side articulates there is the combination slide rail, parallel slide rail bottom fixed connection branch is a plurality of, branch bottom sets up the gyro wheel with ground contact part, and is anterior set up motor work button, battery on the branch, rear portion rotate on the branch and be connected with through linear electric motor, the through linear electric motor internal rotation is connected with the lead screw, the articulated dish of lead screw one end fixed connection, articulated dish fixed connection is in combination slide rail one side.
The filtering device comprises a barrel-shaped filtering device, a filtering net is arranged in the middle of the barrel-shaped filtering device, ferrules are fixedly mounted on the periphery of the barrel-shaped filtering device, the number of the ferrules is three, the ferrules are arranged on the outer wall of the barrel-shaped filtering device at equal intervals, L-shaped sliding rods are fixedly connected with the ferrules, a plurality of pulleys are arranged at the bottoms of the L-shaped sliding rods, and the L-shaped sliding rods are connected to the supporting frame through the pulleys in a sliding mode.
And a diversion ring is arranged at the position of the water inlet pipe on the inner wall of the box body.
A top cover is arranged inside the sealing cover.
And valves are arranged on the water discharge and inlet pipe, the water pipe I and the water discharge pipe II.
Compared with the prior art, the invention has the beneficial effects that:
the invention can filter solid matters in the wastewater in time through the filtering device arranged in the box body, the air pressure in the box body is reduced through the exhaust fan, the boiling point of water is reduced under low pressure and is easier to vaporize, the vapor after heating and evaporation is conveyed into the water tank by the exhaust fan, the boiling point of water is increased due to the high air pressure in the water tank, the vapor is quickly liquefied when meeting a low-temperature refrigeration pipe to obtain recyclable liquid water, meanwhile, the low-temperature low-pressure evaporation saves energy consumption, the purposes of energy conservation and environmental protection are achieved, and filter residues can be poured conveniently through the filtering device and the frame which can be taken out in a sliding way. After the cold rolling oil emulsion wastewater is pretreated, the efficiency of subsequent waste liquid treatment is greatly improved.
Drawings
FIG. 1 is a schematic diagram of a first perspective structure of the present invention;
FIG. 2 is a schematic structural view of the frame butt joint support frame of the present invention;
FIG. 3 is a top view of the box of the present invention;
FIG. 4 is a schematic side view of a water tank according to the present invention;
FIG. 5 is a schematic view of the filter and the supporting frame of the present invention;
FIG. 6 is a schematic structural view of the vehicle frame of the present invention;
FIG. 7 is a schematic view of the filter assembly of the present invention in a vehicle frame.
Reference numerals shown in the drawings: 1. a box body; 2. a water tank; 3. a frame; 4. a control device; 10. a filtration device; 11. a support frame; 12. heating a tube; 13. a water inlet pipe; 14. a first water drainage pipe; 15. an opening; 16. a hinged seat; 17. hooking; 18. a sealing cover; 19. a stop lever; 20. an exhaust fan; 21. an air extraction duct; 22. a refrigerator; 23. a refrigeration pipe; 24. a second water drainage pipe; 25. an air outlet pipe; 30. parallel slide rails; 31. a semi-arc shaped slide rail; 32. combining a slide rail; 33. a strut; 34. a roller; 35. a motor operating button; 36. a storage battery; 37. a through-type linear motor; 38. a lead screw; 39. a hinged disk; 101. a barrel-shaped filter device; 102. a filter screen; 103. a ferrule; 104. an L-shaped sliding rod; 105. a pulley; 140. a valve; 180. and a top cover.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
With reference to the attached drawings 1-7, the cold-rolled oil emulsion wastewater pretreatment device comprises a box body 1, a water tank 2 and a frame 3, wherein a filter device 10 is arranged in the box body 1, the filter device 10 is connected on a support frame 11 in a sliding manner, the bottom of the support frame 11 is fixedly connected to the bottom in the box body 1, a heating pipe 12 is arranged at the bottom in the box body 1, a water inlet pipe 13 is arranged at the front side of the box body 1, a first drain pipe 14 is arranged at the rear side of the box body 1, an opening 15 is arranged at the rear side of the box body 1, hinged seats 16 and hooks 17 are respectively arranged on the outer walls of the box body 1 at the two sides of the opening 15, a sealing cover 18 is arranged on the hinged seats 16 in a sliding manner, a stop lever 19 is connected on the sealing cover 18 in a rotating manner, the water tank 2 is arranged at one side of the box body 1, install refrigerator 22 and refrigeration pipe 23 in the water tank 2, 2 one side outer wall bottom of water tank sets up drain pipe two 24, 2 tops of water tank set up out tuber pipe 25, 2 outside activities of box are provided with frame 3 that suits with filter equipment 10, opening 15, controlling means 4 links to each other with heating pipe 12, air exhauster 20, refrigerator 22 electricity.
The utility model discloses a cold rolling oil emulsion waste water, including filter equipment, cold rolling oil emulsion waste water, heating pipe, support frame, filter equipment, heating pipe, support frame, the cold rolling oil emulsion waste water can be filtered out because of the solid impurity that processing produced etc. in can filtering, and liquid cold rolling oil emulsion waste water passes the filter screen and can fall into bottom cavity in the box, the heating pipe can be with the waste water heating after filtering, the support frame provides stable support. The opening is used for sliding and taking out the filtering device and pouring filter residues, and the sealing cover rotates on the hinged seat and can be fixed through the stop lever to realize the sealing of the opening. The air exhauster during operation that sets up at the water tank top can be with in the box air and vapor constantly take out the water tank, vapor gets into the water tank after atmospheric pressure increase meet the lower refrigeration pipe of temperature can liquefy very fast and fall into the water tank bottom, last control button who is provided with control heating pipe, air exhauster, refrigerator work. And discharging cold-rolled oil emulsion wastewater subjected to heating evaporation treatment through a first drain pipe, discharging liquefied water in the water tank through a second drain pipe, and discharging air pumped into the water tank by the exhaust fan from an air outlet pipe. The refrigerator is prior art, the refrigeration pipe intensive distribution is at the top in the water tank.
The filtering device 10 comprises a barrel-shaped filtering device 101, a filtering net 102 is arranged in the middle of the barrel-shaped filtering device 101, ferrules 103 are fixedly installed on the periphery of the barrel-shaped filtering device 101, the number of the ferrules 103 is three, the ferrules 103 are equidistantly arranged on the outer wall of the barrel-shaped filtering device 101, L-shaped sliding rods 104 are fixedly connected with the ferrules 103, a plurality of pulleys 105 are installed at the bottoms of the L-shaped sliding rods 104, and the L-shaped sliding rods 104 are connected to a supporting frame 11 in a sliding mode through the pulleys 105. The filter screen filters solid granular materials, the ferrule and the L-shaped slide bar ensure that the filter screen part has a stable structure, and the L-shaped slide bar is matched with the pulley at the bottom of the L-shaped slide bar to facilitate taking out the filter device.
And a diversion ring is arranged at the position of the water inlet pipe 13 on the inner wall of the box body 1. The guide ring ensures that cold-rolled oil emulsion wastewater entering from the water inlet pipe can completely enter the filtering device.
A top cover 180 is disposed inside the sealing cover 18. The top cap in the sealed lid is the software structure, and it can prevent cold rolling oil emulsion waste water direct entering box with filter equipment towards open-ended one side shutoff.
The inlet pipe 13, the first water outlet pipe 14 and the second water outlet pipe 24 are provided with valves 140. The valves can open or close the respective lines.
This equipment is when using, opens the inlet tube, makes cold rolling oil emulsion waste water get into from the inlet tube, and waste water gets into the box after and gets into filter equipment under the effect of water conservancy diversion circle completely, and the filter screen can filter waste water, and through filterable waste water pass the filter screen and enter into the box, can be heated by the heating pipe after waste water gets into the bottom half. When waste water is close to the opening position in the box body, the water inlet pipe door valve is closed, the sealing cover is closed, the exhaust fan and the refrigerator are opened, air in the box body is pumped out, the air pressure in the box body is gradually reduced, the boiling point of precipitation is reduced under the air pressure, water is continuously vaporized into water vapor in the heated waste water, and the water vapor enters the water tank under the action of the exhaust fan. After the water vapor enters the water tank, the pressure intensity is increased, the boiling point is increased, and the water vapor is rapidly liquefied on the surface of the refrigeration pipe with lower temperature and then drops to the bottom in the water tank. And after the wastewater is evaporated for a certain time, the exhaust fan and the refrigerator are closed, the valve of the first water discharge pipe is opened to enable the filtered and evaporated wastewater to enter the next wastewater treatment equipment, and the second water discharge pipe is opened to discharge the collected liquefied water for recycling. And after the drainage is finished, closing the first drain pipe valve and the second drain pipe valve, and opening the water inlet pipe valve to repeatedly perform the process. When more solid impurities are filtered out in the filtering device, the stop lever is shaken to open the sealing cover, the frame is moved to a position where the semi-arc-shaped slide rail is inserted into the opening and is butted with the supporting frame, the filtering device is slid to move to the frame, when the frame and the filtering device are pushed to a proper filter residue dumping position, the motor is pressed by the working button of the motor to drive the combined slide rail and the filtering device to incline towards one side so as to dump the filter residue, and after the filter residue dumping is completed, the filtering device is moved to the box body in an opposite sequence. The above wastewater treatment process is repeated to pretreat the cold-rolled oil emulsion wastewater, so that the efficiency of subsequent wastewater treatment is greatly improved.
Claims (6)
1. The utility model provides a cold rolling oil emulsion pretreatment of water device that gives up, includes box (1), water tank (2), frame (3), its characterized in that: the water heater is characterized in that a filtering device (10) is arranged in the box body (1), the filtering device (10) is connected onto a supporting frame (11) in a sliding manner, the bottom of the supporting frame (11) is fixedly connected to the inner bottom of the box body (1), a heating pipe (12) is installed at the inner bottom of the box body (1), a water inlet pipe (13) is arranged at the front side of the box body (1), a first drain pipe (14) is arranged at the rear side of the box body (1), an opening (15) is arranged at the rear side of the box body (1), hinged seats (16) and hooks (17) are respectively arranged on the outer walls of the box bodies (1) at two sides of the opening (15), a sealing cover (18) is arranged on the hinged seats (16) in a sliding manner, a stop lever (19) is arranged on the sealing cover (18) in a rotating manner, a water tank (2) is arranged at one side, the utility model discloses a refrigerator, including box (1), drawing air pipe way (21), set up refrigerator (22) and refrigeration pipe (23) in water tank (2), water tank (2) one side outer wall bottom sets up drain pipe two (24), water tank (2) top sets up out tuber pipe (25), box (2) outside activity is provided with frame (3) that suit with filter equipment (10), opening (15), box (1) one side sets up controlling means (4), controlling means (4) link to each other with heating pipe (12), air exhauster (20), refrigerator (22) electricity.
2. The cold rolling oil emulsion wastewater pretreatment device of claim 1, characterized in that: frame (3) are including parallel slide rail (30), parallel slide rail (30) front side fixed connection semi-arc end slide rail (31), parallel slide rail (30) rear side articulates there is combination slide rail (32), parallel slide rail (30) bottom fixed connection branch (33) are a plurality of, branch (33) bottom sets up gyro wheel (34), front portion with ground contact part set up motor work button (35), battery (36) on branch (33), rear portion rotate on branch (33) and be connected with through linear electric motor (37), through linear electric motor (37) internal rotation is connected with lead screw (38), lead screw (38) one end fixed connection articulates dish (39), articulated dish (39) fixed connection combines slide rail (32) one side.
3. The cold rolling oil emulsion wastewater pretreatment device of claim 1, characterized in that: the filtering device (10) comprises a barrel-shaped filtering device (101), a filtering net (102) is arranged in the middle of the barrel-shaped filtering device (101), ferrules (103) are fixedly installed on the periphery of the barrel-shaped filtering device (101), the number of the ferrules (103) is three on the outer wall of the barrel-shaped filtering device (101) at equal intervals, the ferrules (103) are fixedly connected with L-shaped sliding rods (104), a plurality of pulleys (105) are arranged at the bottom of each L-shaped sliding rod (104), and the L-shaped sliding rods (104) are connected to a supporting frame (11) in a sliding mode through the pulleys (105).
4. The cold rolling oil emulsion wastewater pretreatment device of claim 1, characterized in that: and a diversion ring is arranged at the position of the water inlet pipe (13) on the inner wall of the box body (1).
5. The cold rolling oil emulsion wastewater pretreatment device of claim 1, characterized in that: a top cover (180) is arranged inside the sealing cover (18).
6. The cold rolling oil emulsion wastewater pretreatment device of claim 1, characterized in that: and valves (140) are arranged on the water inlet pipe 13, the first water outlet pipe (14) and the second water outlet pipe (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010940730.5A CN112142245B (en) | 2020-09-09 | 2020-09-09 | Cold rolling oil emulsion wastewater pretreatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010940730.5A CN112142245B (en) | 2020-09-09 | 2020-09-09 | Cold rolling oil emulsion wastewater pretreatment device |
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| Publication Number | Publication Date |
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| CN112142245A true CN112142245A (en) | 2020-12-29 |
| CN112142245B CN112142245B (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010940730.5A Active CN112142245B (en) | 2020-09-09 | 2020-09-09 | Cold rolling oil emulsion wastewater pretreatment device |
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| CN111153458A (en) * | 2020-03-03 | 2020-05-15 | 江苏釜鼎干燥工程有限公司 | Low-temperature vacuum distillation treatment system and method for oily wastewater |
| CN211069165U (en) * | 2019-11-25 | 2020-07-24 | 广州市天泷食品有限公司 | Plate frame filter |
| CN211273784U (en) * | 2019-12-17 | 2020-08-18 | 李坚涛 | Domestic sewage purification equipment |
| EP3697513A1 (en) * | 2017-10-17 | 2020-08-26 | Hydro Aluminium Rolled Products GmbH | Processing of filtered rolling oil and filtering agents |
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2020
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106915627A (en) * | 2017-01-25 | 2017-07-04 | 江山科锐普电子科技有限公司 | Automatic logistics carrier |
| WO2018141067A9 (en) * | 2017-02-03 | 2018-08-30 | Uti Limited Partnership | Deconstruction of oilsand materials using ionic liquids |
| CN106630361A (en) * | 2017-03-09 | 2017-05-10 | 苏州天瑞环境科技有限公司 | Emulsion treatment system, device and method as well as mobile emulsion treatment platform |
| EP3697513A1 (en) * | 2017-10-17 | 2020-08-26 | Hydro Aluminium Rolled Products GmbH | Processing of filtered rolling oil and filtering agents |
| CN107555692A (en) * | 2017-10-25 | 2018-01-09 | 江苏天航水处理有限公司 | A kind of water oil separating method of emulsion waste liquid |
| CN209161725U (en) * | 2018-10-30 | 2019-07-26 | 上海天汉环境资源有限公司 | A kind of waste emulsified mixture innocuity disposal system |
| CN211069165U (en) * | 2019-11-25 | 2020-07-24 | 广州市天泷食品有限公司 | Plate frame filter |
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| CN112142245B (en) | 2021-11-12 |
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Application publication date: 20201229 Assignee: Jining Guoneng Environmental Technology Co.,Ltd. Assignor: SHANDONG GRETECH WATER TREATMENT Co.,Ltd. Contract record no.: X2022980001787 Denomination of invention: Cold rolling oil emulsion wastewater pretreatment device Granted publication date: 20211112 License type: Common License Record date: 20220225 |
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