CN107055690B - Oil-water separator based on semiconductor refrigeration and oil-water separation method - Google Patents
Oil-water separator based on semiconductor refrigeration and oil-water separation method Download PDFInfo
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- CN107055690B CN107055690B CN201710461447.2A CN201710461447A CN107055690B CN 107055690 B CN107055690 B CN 107055690B CN 201710461447 A CN201710461447 A CN 201710461447A CN 107055690 B CN107055690 B CN 107055690B
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- scraper
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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
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
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- Hydrology & Water Resources (AREA)
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- Environmental & Geological Engineering (AREA)
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- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Removal Of Floating Material (AREA)
Abstract
The invention discloses an oil-water separator based on semiconductor refrigeration and an oil-water separation method, and the oil-water separator comprises a support, a motor, a driving wheel, a driven wheel, an oil belt, a scraper and a semiconductor refrigeration device, wherein the scraper is arranged on the support, is positioned between the driving wheel and the driven wheel and is contacted with the oil belt, and an oil guide groove is arranged on the scraper; the semiconductor refrigerating device comprises a temperature controller, a heat absorption end, a heat dissipation end and at least one heat pipe for connecting the heat absorption end and the heat dissipation end, wherein the heat absorption end comprises at least one semiconductor refrigerating element, a cold guide device and a heat absorption end substrate; the heat dissipation end is provided with a heat dissipation end substrate, the heat dissipation end substrate is fixedly connected with the other end of the heat pipe, and the heat dissipation end substrate is attached to the scraper and used for heating the scraper; the temperature controller is connected with the semiconductor refrigerating element.
Description
Technical Field
The invention relates to an oil-water separator, in particular to an oil-water separator based on semiconductor refrigeration and an oil-water separation method.
Technical Field
The oily wastewater mainly comes from petroleum, petrochemical industry, steel, coking, gas generation stations, machining and other industrial parts. Except that the relative density of heavy tar is more than 1.1, the relative density of other oil pollutants in the wastewater is less than 1. Oil-like substances are generally present in wastewater in three states: 1) floating oil, the oil product has larger dispersed particles in the wastewater, and the particle size of oil drops is more than 100 mu m, so the oil product is easy to separate from the wastewater; 2) dispersing oil with oil drop diameter of 10-100 μm, and suspending in water; 3) emulsified oil, the grain diameter of oil drops is less than 10 μm, the dispersed grain diameter of oil products in wastewater is very small, and the oil products are in an emulsified state and are not easy to separate from the wastewater; 4) dissolving oil, and dissolving oil in water. Oily wastewater can have adverse effects on humans, animals and plants, and even on the entire ecosystem. Therefore, oil-water separation of the oily wastewater is required. The existing oil-water separation method mainly utilizes the gravity settling principle to remove impurities or complete the separation of oil and water according to the density difference of water and oil, but the method can only separate floating oil from water generally, and oily wastewater needs to be kept still for a long time in the separation process, so that the problems of low oil-water separation efficiency, long time consumption and incomplete oil-water separation exist.
In conclusion, the problems of low separation efficiency, long time consumption and incomplete oil-water separation in the prior art for oil-water separation are still lack of effective solutions.
Disclosure of Invention
In view of the technical problems in the prior art, the present invention aims to provide an oil-water separator and an oil-water separation method based on semiconductor refrigeration. The oil-water separator increases the viscosity of grease through refrigeration, improves the efficiency of oil-water separation, reduces the time for oil-water separation, and can also obviously reduce the oil content in the separated water.
In order to solve the technical problems, the technical scheme of the invention is as follows:
an oil-water separator based on semiconductor refrigeration comprises a rack, a motor, a driving wheel, a driven wheel, an oil belt, a scraper and a semiconductor refrigeration device, wherein the driving wheel and the driven wheel are respectively arranged at the upper end and the lower end of the rack, and the driving wheel is connected with the motor through a driving shaft;
the oil belt is sleeved on the driving wheel and the driven wheel; the scraper is arranged on the frame, is positioned between the driving wheel and the driven wheel, is contacted with the oil belt and is used for scraping oil on the oil belt, and an oil guide groove is arranged on the scraper;
the semiconductor refrigerating device comprises a temperature controller, a heat absorption end, a heat dissipation end and at least one heat pipe for connecting the heat absorption end and the heat dissipation end, wherein the heat absorption end comprises at least one semiconductor refrigerating element, a cold guide device and a heat absorption end substrate; the heat dissipation end is provided with a heat dissipation end substrate, the heat dissipation end substrate is fixedly connected with the other end of the heat pipe, and the heat dissipation end substrate is attached to the scraper and used for heating the scraper; the temperature controller is connected with the semiconductor refrigerating element and is used for controlling the power of the semiconductor refrigerating element.
The cold energy generated by the semiconductor refrigeration element can cool the oily wastewater, so that on one hand, the viscosity of oil substances in the oily wastewater is improved, the oil substances are convenient to adhere to an oil belt, and floating oil and dispersed oil in the oily wastewater are convenient to extract; on the other hand, when the oily wastewater is cooled, the solubility of the oil-containing substances in water can be reduced. The comprehensive effects of the two aspects can extract grease substances in the oily wastewater to the maximum extent and reduce the oil content in the water.
When the scraper is heated by the heat generated by the semiconductor refrigerating element, the viscosity of the grease substances on the grease belt can be reduced, the fluidity of the grease substances is increased, the grease substances and the grease belt can be conveniently separated, the grease substances can be conveniently collected, and meanwhile, the recycling of the grease belt is facilitated.
The comprehensive utilization of the cold quantity and the heat quantity of the semiconductor refrigerating element improves the oil-water separation efficiency of the oily wastewater.
The lower end of the oil belt is immersed into the oily wastewater, the oil belt is driven by the driving wheel and the driven wheel to rotate, oil and fat substances in the oily wastewater are adsorbed, the oily wastewater does not need to be kept still for a long time, oil and water are layered, and the oil-water separation efficiency is improved.
Further, the temperature controller comprises a temperature sensor and a temperature controller. The temperature sensor can sense the temperature of the oily wastewater near the cold guider, and is helpful for the temperature controller to control the refrigeration power of the semiconductor refrigeration element.
Furthermore, the outer surface of the heat absorption end is provided with a waterproof heat insulation layer. Can prevent the oily wastewater from damaging the heat absorption end and is beneficial to improving the refrigeration and heating effects of the semiconductor refrigeration element.
Furthermore, the working end of the scraper blade is obliquely and obliquely arranged upwards. The oil scraped from the oil belt can be guided out more favorably, and the leakage of the oil is avoided.
Furthermore, the bottom of the support is provided with a movable wheel set. The movable wheel set can move the support, oil-water separation is conveniently carried out on oily wastewater in the oily wastewater tank, and oil content in water is more favorably reduced.
Furthermore, heat pipe grooves for installing heat pipes are arranged in the heat absorption end substrate and the heat dissipation end substrate.
Further, the oil belt is a flexible oleophylic annular belt.
An oil-water separation method based on semiconductor refrigeration comprises the following steps:
1) moving the oil-water separator to immerse the lower end of the oil belt in the oily wastewater, and installing the heat absorption end of the semiconductor refrigeration device at the liquid level position of the oily wastewater;
2) starting a semiconductor refrigerating device, and starting a motor to drive an oil belt to move when the oily wastewater is cooled to a preset solidification temperature; when the oil belt moves to the scraper plate, oil adhered to the oil belt is scraped by the scraper plate, and the oil belt is immersed into the oily wastewater again to circularly adsorb the oily wastewater.
Further, in the step 2), the temperature of the scraper heated by the semiconductor refrigerating device is the preset liquefaction temperature.
The invention has the beneficial effects that:
the invention simultaneously utilizes the cold energy and the heat energy generated by the semiconductor refrigerating system, on one hand, the cold energy generated by the semiconductor refrigerating system is utilized to reduce the temperature of the mixed liquid, improve the viscosity of the grease substances and facilitate the extraction of the grease substances, on the other hand, the heat energy generated by the semiconductor refrigerating system is utilized to reduce the viscosity of the grease substances, facilitate the separation of the grease substances and increase the fluidity of the grease substances.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a schematic view of a fuel water separator according to the present invention;
FIG. 2 is a schematic diagram of the refrigeration system of the present invention;
the cooling device comprises an upper bearing beam 1, an upper bearing beam 2, a driving wheel 3, a driving shaft 4, a first bearing 5, a first bearing support 6, an oil belt 7, a heat insulation layer 8, a driven wheel 9, a driven shaft 10, a second bearing 11, a second bearing support 12, a lower bearing beam 13, a motor shell 14, a motor 15, a support frame 16, a scraper 17, a bolt 18, a third bearing 19, a third bearing support 20, a heat dissipation end substrate 21, a heat pipe 22, a cold guide device 23, a semiconductor refrigerating element 24 and a heat absorption end substrate.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As shown in fig. 1 and 2, the oil-water separator comprises a semiconductor refrigeration system, an oil belt system, a driving motor and a frame. The motor 13 is arranged on the frame and is connected with the oil belt system through a crankshaft of the driving motor 13. The oil belt system comprises a driving shaft 3, a driving wheel 2, an oil belt 6, a driven shaft 9, a driven wheel 8, a first bearing 4, a second bearing 10 and a third bearing 18. One end of the driving shaft 3 is connected with a crankshaft of a driving motor 14, and the other end is connected with a first bearing 4 and can rotate under the driving of a motor 13. The driving wheel 2 is arranged outside the driving shaft 3. The oil belt 6 is an annular belt which is flexible and easy to adsorb oil and fat materials, the upper end of the oil belt 6 is sleeved on the driving wheel 2, and the lower end of the oil belt 6 is sleeved on the driven wheel 8. The driven wheel 7 is disposed outside the driven shaft 9. The driven shaft 9 is mounted at both ends on a second bearing 10 and a third bearing 18, respectively.
The frame includes support frame 15, frizing 16, upper bearing crossbeam 1, lower bearing crossbeam 12, motor casing 13, first bearing support 5, second bearing support 11, third bearing support 19. The motor casing 13 set up in support frame 15 top, motor casing 13 internally mounted have driving motor 14. One end of the upper bearing beam 1 is connected with the motor shell 13, and the other end of the upper bearing beam is connected with the first bearing bracket 5; one end of the lower bearing beam 12 is connected to the second bearing bracket 11, and the other end is connected to the third bearing bracket 19. The first bearing support 5, the second bearing support 11 and the third bearing support 19 are all provided with bearing holes which are respectively used for installing the first bearing 4, the second bearing 10 and the third bearing 18. The scraper 16 is fixed on the support frame 15 through a bolt 17, and the scraper 16 is attached to the outer side of the oil belt 6 and used for scraping off grease adhered to the outer side of the oil belt 6.
The semiconductor refrigeration system comprises a refrigeration module, a cold guide device 21, a heat conduction module and a waterproof heat-insulating layer 7, wherein the refrigeration module comprises one or more semiconductor refrigeration elements 23, and the semiconductor refrigeration elements 23 are connected with a temperature controller through leads. The temperature controller comprises a temperature sensor and a temperature controller, and is used for controlling the input power of the semiconductor refrigerating element so as to regulate the temperature of the local oil-water mixed liquid. The cold end of the semiconductor refrigeration element 23 is attached to the cold guide device 22, and the hot end of the semiconductor refrigeration element 23 is attached to the heat conduction module. One surface of the cold guide device 22 is attached to the cold end of the semiconductor refrigeration element 23, and the other surface is attached to the inner side of the lower end of the oil belt 6. When the device works, the cold guide device 22 is arranged at the position of the liquid level of the oil-water and oil-containing wastewater so as to reduce the temperature of the oil-containing wastewater and increase the viscosity of oil-containing substances. The heat conducting module comprises a heat absorption end substrate 24, a heat dissipation end substrate 20 and one or more heat pipes 21, wherein the heat absorption end substrate 24 is attached to the hot end of the semiconductor refrigeration element 23, is connected with the heat absorption end of the heat pipe 21 and is used for absorbing heat generated by the semiconductor refrigeration element. The heat dissipation end substrate 20 is attached to the scraper 16 and connected to the heat dissipation end of the heat pipe 21, and is used for heating the scraper 16 and accelerating the separation and flow of grease substances. And the waterproof heat-insulating layer 7 is arranged outside the refrigeration module, the cold guide device 22 and the heat conduction module.
When the oil belt type oil-water separator works, the semiconductor refrigeration system transmits the generated cold energy to the oil-containing wastewater through the cold guider 22, so that the temperature of the oil-containing wastewater is reduced, the viscosity of oil substances is improved, the motor 14 drives the oil belt 6 to move, the oil adsorbed by the oil belt 6 from the oil-containing wastewater moves along with the oil belt 6, when the oil belt moves to the scraper 16, the scraper 16 heated by the heat conduction module of the semiconductor refrigeration system scrapes the oil on the oil belt, then the oil belt enters the oil-water mixed liquid again, and a new procedure of oil adsorption and oil scraping is started.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (7)
1. The utility model provides an oil water separator based on semiconductor refrigeration which characterized in that: the semiconductor refrigeration device comprises a rack, a motor, a driving wheel, a driven wheel, an oil belt, a scraper and a semiconductor refrigeration device, wherein the driving wheel and the driven wheel are respectively arranged at the upper end and the lower end of a support, and the driving wheel is connected with the motor through a driving shaft;
the oil belt is sleeved on the driving wheel and the driven wheel; the scraper is arranged on the frame, is positioned between the driving wheel and the driven wheel, is contacted with the oil belt and is used for scraping oil on the oil belt, and an oil guide groove is arranged on the scraper;
the semiconductor refrigerating device comprises a temperature controller, a heat absorption end, a heat dissipation end and at least one heat pipe for connecting the heat absorption end and the heat dissipation end, wherein the heat absorption end comprises at least one semiconductor refrigerating element, a cold guide device and a heat absorption end substrate; the heat dissipation end is provided with a heat dissipation end substrate, the heat dissipation end substrate is fixedly connected with the other end of the heat pipe, and the heat dissipation end substrate is attached to the scraper and used for heating the scraper; the temperature controller is connected with the semiconductor refrigerating element and is used for controlling the power of the semiconductor refrigerating element;
the working end of the scraper is obliquely and obliquely arranged upwards;
the use method of the oil-water separation device comprises the following steps:
1) moving the oil-water separator to immerse the lower end of the oil belt in the oily wastewater, and installing the heat absorption end of the semiconductor refrigeration device at the liquid level position of the oily wastewater;
2) starting a semiconductor refrigerating device, and starting a motor to drive an oil belt to move when the oily wastewater is cooled to a preset solidification temperature; when the oil belt moves to the scraper plate, oil adhered to the oil belt is scraped by the scraper plate, and the oil belt is immersed into the oily wastewater again to circularly adsorb the oily wastewater;
the temperature of the scraper after being heated by the semiconductor refrigerating device is the preset liquefaction temperature.
2. The oil-water separator of claim 1, wherein: the temperature controller comprises a temperature sensor and a temperature controller.
3. The oil-water separator of claim 1, wherein: the outer surface of the heat absorption end is provided with a waterproof heat insulation layer.
4. The oil-water separator of claim 1, wherein: the bottom of support is provided with removes the wheelset.
5. The oil-water separator of claim 1, wherein: heat pipe grooves for installing heat pipes are arranged in the heat absorption end substrate and the heat dissipation end substrate.
6. The oil-water separator of claim 1, wherein: the oil belt is a flexible oleophylic annular belt.
7. The oil-water separator of claim 1, wherein: the frequency of the rotation of the oil belt is 0.5-3 r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710461447.2A CN107055690B (en) | 2017-06-16 | 2017-06-16 | Oil-water separator based on semiconductor refrigeration and oil-water separation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710461447.2A CN107055690B (en) | 2017-06-16 | 2017-06-16 | Oil-water separator based on semiconductor refrigeration and oil-water separation method |
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| Publication Number | Publication Date |
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| CN107055690A CN107055690A (en) | 2017-08-18 |
| CN107055690B true CN107055690B (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710461447.2A Active CN107055690B (en) | 2017-06-16 | 2017-06-16 | Oil-water separator based on semiconductor refrigeration and oil-water separation method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109011699A (en) * | 2018-08-31 | 2018-12-18 | 温州好帮手机电有限公司 | A kind of swill oily-water seperating equipment |
| CN109045757B (en) * | 2018-08-31 | 2020-11-06 | 温州好帮手机电有限公司 | Disc type oil-water separation device |
| CN113735347B (en) * | 2021-09-16 | 2023-08-15 | 上海农屹科技股份有限公司 | Oil-water separation device and kitchen oil-water residue separation equipment |
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| CN1405514A (en) * | 2002-10-29 | 2003-03-26 | 哈尔滨工业大学环保技术有限公司 | System for carrying out three combined supply using sewage |
| JP2010012418A (en) * | 2008-07-03 | 2010-01-21 | Sashuu Sangyo:Kk | Floating oil recovery device and floating oil recovery method |
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| JP2013111540A (en) * | 2011-11-29 | 2013-06-10 | Daihatsu Motor Co Ltd | Liquid cleaning apparatus |
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