CN215572341U - Heat recycling device for vacuum oil filter - Google Patents
Heat recycling device for vacuum oil filter Download PDFInfo
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- CN215572341U CN215572341U CN202122061407.3U CN202122061407U CN215572341U CN 215572341 U CN215572341 U CN 215572341U CN 202122061407 U CN202122061407 U CN 202122061407U CN 215572341 U CN215572341 U CN 215572341U
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Abstract
The utility model relates to a heat recycling device for a vacuum oil filter, which comprises a plate heat exchanger, a heater, a degassing tower and an oil discharge pump, wherein an oil inlet pipeline on one side of the top of the plate heat exchanger is connected with an oil inlet pipeline, an oil outlet pipeline on the other side of the top of the plate heat exchanger is connected with the heater, the heater heats oil and then conveys the oil to the top of the degassing tower through a pipeline, the oil in the degassing tower is degassed and then is connected with the oil discharge pump through a pipeline on the bottom, one side of a tank body of the degassing tower is connected with an external vacuum oil filter through a vacuum pipeline, an output pipeline of the oil discharge pump is connected with the oil inlet pipeline on one side of the bottom of the plate heat exchanger, and the oil outlet pipeline on the other side of the bottom of the plate heat exchanger is connected with an oil discharge pipeline. The platen heat exchanger is arranged on the oil inlet pipeline and the oil discharge pipeline of the oil filter, so that heat in the two pipelines is fully exchanged, the oil temperature in the oil inlet pipeline can be improved, the power of a heater of the oil filter is reduced, and energy is saved.
Description
Technical Field
The utility model relates to the technical field of electromechanical equipment, in particular to a heat recycling device for a vacuum oil filter.
Background
When the vacuum oil filter works, in order to ensure that the degassing and dewatering effects of the vacuum oil filter oil reach the best conditions, the oil product needs to be heated to about 60 ℃. Therefore, each oil filter is provided with a heater. When the vacuum oil filter is used for processing vacuum oil filter oil, the larger the flow rate is, the higher the power of the configured heater is. For example, the heater power of a conventional 6000L/h vacuum oil filter is 90kW, and the heater power of a 12000L/h vacuum oil filter is 180 kW.
Normally, when the oil filter is finished, the heating element in the heater is still in a heating state, and if the heater is immediately turned off, the heating element in the heater can raise the temperature inside the heater to more than 200 ℃, because the heat of the heating wire inside the heater is radiated to the inner wall of the heater, and after the power supply of the heating element is turned off, the energy storage is large. High temperatures can have two serious consequences: firstly, the oil of the vacuum oil filter is thermally expanded, and the heater cannot bear the internal high pressure, so that the welding seam of the heater is cracked and leaks oil; secondly, the vacuum oil filter oil is cracked and deteriorated due to local overheating, and the generated compounds can pollute new vacuum oil filter oil.
In order to prevent the heater from overheating, the oil filter needs to be continuously operated after the heater is turned off, and the heat in the heater is taken away by flowing vacuum oil filter oil. The temperature was monitored at the heater outlet to be below 50 deg.C and the oil filter was then turned off. This operation protects the safety of the oil filter but increases the working time and also causes a waste of energy. Specifically, the temperature of the vacuum oil filter oil flowing out of the oil discharge pipeline is about 60 ℃, and the heat is transferred into the vacuum oil filter through a pipeline and gradually dissipated, so that the energy is wasted. Therefore, the heat recycling device for the vacuum oil filter is designed, and the heat can be recycled.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a heat recycling device for a vacuum oil filter, which solves the above-mentioned problems encountered in the background art.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
the utility model provides a heat recycle device for vacuum oil filter, includes plate heat exchanger, heater, degasser and oil extraction pump, plate heat exchanger's top one side advances oil pipe way and advances oil pipe way connection, plate heat exchanger's top another side goes out oil pipe way and heater connection, the heater with behind the fluid heating carry extremely through the pipeline the top of degasser, fluid in the degasser is connected with the oil extraction pump through the pipeline of bottom after the degasification, jar body one side of degasser is passed through the vacuum pipeline and is connected with external vacuum oil filter, the output pipeline of oil extraction pump advances oil pipe way with plate heat exchanger's bottom one side and is connected, plate heat exchanger's bottom another side goes out oil pipe way and is connected with the oil extraction pipeline.
In the above scheme, a temperature sensor is installed on the pipe wall of the heater.
In the scheme, the output pipeline of the oil discharge pump is connected with the oil inlet pipeline on one side of the bottom of the plate heat exchanger through the one-way valve.
Compared with the prior art, the utility model has the beneficial effects that: the platen heat exchanger is arranged on the oil inlet pipeline and the oil discharge pipeline of the oil filter, so that heat in the two pipelines is fully exchanged, and the oil temperature in the oil inlet pipeline can be improved. Through the heat recovery design, the power of the heater of the oil filter can be reduced, the manufacturing cost and the running cost of equipment can be reduced under the working condition of the same temperature rise, the heat recovery in the outlet pipeline of the vacuum oil filter is realized, and the energy is saved.
Drawings
The disclosure of the present invention is illustrated with reference to the accompanying drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the utility model. In the drawings, like reference numerals are used to refer to like parts. Wherein:
FIG. 1 is a schematic view of the overall structure of the present invention;
reference numbers in the figures: 1-a plate heat exchanger; 2-a heater; 3-a temperature sensor; 4-a degassing tower; 5-an oil discharge pump; 6-a one-way valve; 7-vacuum oil filter.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described in detail with reference to the attached drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution to which the present invention relates.
According to the technical scheme of the utility model, a plurality of alternative structural modes and implementation modes can be provided by a person with ordinary skill in the art without changing the essential spirit of the utility model. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical aspects of the present invention, and should not be construed as all of the present invention or as limitations or limitations on the technical aspects of the present invention.
The technical solution of the present invention is further described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1, a heat recovery and utilization apparatus for a vacuum oil filter includes a plate heat exchanger 1, a heater 2, a degassing tower 4, and an oil discharge pump 5. One side of the top of the plate heat exchanger 1 is connected with an oil inlet pipeline, and the oil inlet pipeline is used for connecting an oil drum. An oil outlet pipeline on the other side of the top of the plate heat exchanger 1 is connected with a heater 2, the heater 2 heats oil and then conveys the oil to the top of a degassing tower 4 through a pipeline, and one side of a tank body of the degassing tower 4 is connected with an external vacuum oil filter 7 through a vacuum pipeline.
The oil liquid in the degassing tower 4 is dehydrated and then is conveyed to a vacuum oil filter 7, and the oil is filtered and supplemented on site through the filtering action of the vacuum oil filter 7, so that the cleanliness of the oil for machinery and electric appliances is improved, the best performance is achieved, and the service life of equipment is prolonged. The degassing tower 4 is connected with an oil discharge pump 5 through a pipeline at the bottom, an output pipeline of the oil discharge pump 5 is connected with an oil inlet pipeline at one side of the bottom of the plate heat exchanger 1, an oil outlet pipeline at the other side of the bottom of the plate heat exchanger 1 is connected with an oil discharge pipeline, and the oil discharge pipeline is used for connecting various oil-immersed transformers, oil-immersed current-voltage transformers and high-voltage oil-less circuit breakers.
Preferably, a temperature sensor 3 is installed on the pipe wall of the heater 2, and the oil is heated to about 60 ℃ by the heater according to the judgment of the temperature sensor 3, so that the degassing and dehydrating effects of the vacuum oil filter oil 7 are best.
In addition, when the oil-gas separator is in operation, an output pipeline of the oil discharge pump 5 is connected with an oil inlet pipeline at the bottom side of the plate heat exchanger 1 through the check valve 6, and oil liquid is prevented from flowing back through the check valve 6.
According to the utility model, the platen heat exchanger 1 is arranged on the oil inlet pipeline and the oil discharge pipeline of the oil filter, cold oil in the oil inlet pipeline of the vacuum oil filter is subjected to heat exchange with hot oil in the oil discharge pipeline through the plate heat exchanger 1, so that heat in the two pipelines is fully exchanged, and the oil temperature in the oil inlet pipeline can be increased. Because the oil in the oil inlet pipeline has certain temperature rise before entering the heater, the oil product is heated to 60 ℃, the heating power required to be input is reduced, the residual heat during shutdown is reduced, the shutdown time can be shortened, and the energy waste is reduced. Through the heat recovery design, the power of the heater of the oil filter can be reduced, the manufacturing cost and the running cost of equipment can be reduced under the working condition of the same temperature rise, the heat recovery in the outlet pipeline of the vacuum oil filter 7 is realized, and the energy is saved.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (3)
1. The utility model provides a heat recovery utilizes device for vacuum oil filter which characterized in that: including plate heat exchanger (1), heater (2), degasser (4) and oil extraction pump (5), the top one side of plate heat exchanger (1) advances oil pipe way and advances oil piping connection, the top another side oil outlet pipe way of plate heat exchanger (1) is connected with heater (2), heater (2) with oil carry extremely through the pipeline after the heating the top of degasser (4), oil in degasser (4) is connected with oil extraction pump (5) through the pipeline of bottom after the degasification, jar body one side of degasser (4) is connected with external vacuum oil filter (7) through vacuum line, the output pipeline of oil extraction pump (5) advances oil piping connection with one side of the bottom of plate heat exchanger (1), the bottom another side oil outlet pipe way and the oil extraction pipeline of plate heat exchanger (1) are connected.
2. The heat recovery device for the vacuum oil filter according to claim 1, characterized in that: and a temperature sensor (3) is arranged on the pipe wall of the heater (2).
3. The heat recovery device for the vacuum oil filter according to claim 1, characterized in that: and an output pipeline of the oil discharge pump (5) is connected with an oil inlet pipeline on one side of the bottom of the plate heat exchanger (1) through a one-way valve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122061407.3U CN215572341U (en) | 2021-08-30 | 2021-08-30 | Heat recycling device for vacuum oil filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122061407.3U CN215572341U (en) | 2021-08-30 | 2021-08-30 | Heat recycling device for vacuum oil filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215572341U true CN215572341U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122061407.3U Active CN215572341U (en) | 2021-08-30 | 2021-08-30 | Heat recycling device for vacuum oil filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215572341U (en) |
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2021
- 2021-08-30 CN CN202122061407.3U patent/CN215572341U/en active Active
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