CN110905766A

CN110905766A - Vacuum pump cooling device

Info

Publication number: CN110905766A
Application number: CN201911170768.2A
Authority: CN
Inventors: 王煜
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-03-24

Abstract

The invention relates to the technical field of cooling devices and discloses a vacuum pump cooling device. The vacuum pump cooling device comprises a vacuum pump body, wherein the vacuum pump body is positioned in a cooling reaction box, an air pipe opening is formed in the bottom of the cooling reaction box, the bottom of the air pipe opening is fixedly connected with an air outlet of a fan, a volute pipe is installed inside the cooling reaction box, and the volute pipe comprises a first forward volute pipe, a first reverse volute pipe, a second reverse volute pipe and a second forward volute pipe. This vacuum pump cooling device through four positive and negative alternate spiral shell pipes of installation in the cooling reaction box, makes the coolant liquid take away the produced heat of the pump body from the direction of difference, has improved radiating efficiency, through the fan of cooling reaction box bottom installation and the thermovent of seting up, makes the device can dispel the heat through the fan, through refrigerating unit and coolant liquid circulation case corresponding water pipe, makes the coolant liquid can cyclic utilization.

Description

Vacuum pump cooling device

Technical Field

The invention relates to the technical field of cooling devices, in particular to a vacuum pump cooling device.

Background

The power of a vacuum pump used for vacuumizing a large transformer is usually large, a large amount of heat can be dissipated in the working process of the large transformer, and the large transformer needs to be cooled in the working process of the vacuum pump in order to guarantee the normal operation of the vacuum pump and avoid the adverse effect of high temperature on the vacuum pump. The existing vacuum pump is generally water-cooled, a cooling water pipe is arranged on a shell of the vacuum pump, cold water enters from an inlet of the cooling water pipe, absorbs heat and heats up through the vacuum pump, and then hot water is discharged from an outlet of the cooling water pipe. Most cooling device structure on the market is complicated, the water-cooling pipe is one-way flow direction, radiating effect is general, and the cooling water directly discharges behind the pump body, causes the water waste.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a vacuum pump cooling device which has the advantages of simple structure, combination of bidirectional volute flow direction circulating water cooling and fan cooling for heat dissipation and the like, and solves the problems that the cooling device has a common heat dissipation effect and needs a large amount of water consumption.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a vacuum pump cooling device comprises a vacuum pump body, wherein the vacuum pump body is positioned in a cooling reaction box, the bottom of the cooling reaction box is provided with an air pipe opening, the bottom of the air pipe opening is fixedly connected with an air outlet of a fan, a volute pipe is arranged in the cooling reaction box, the volute pipe comprises a first forward volute pipe, a first reverse volute pipe, a second reverse volute pipe and a second forward volute pipe, a liquid inlet is formed in the volute pipe, a liquid outlet is formed in the volute pipe, the volute pipes are fixedly connected with a liquid distribution pipe through the liquid inlet, one end of the liquid distribution pipe is fixedly connected with the corresponding end of a liquid outlet pipe, the outside of the liquid outlet pipe is wrapped with a cold insulation layer, the other end of the liquid outlet pipe is fixedly connected with a water outlet of a first water pump, a water pumping opening of the first water pump is fixedly connected with one end of a liquid pumping pipe, and the other end of the liquid pumping pipe is placed in a cooling liquid circulation box, the liquid outlet of the volute pipe is fixedly connected with a cooling liquid collecting pipe, one end of the cooling liquid collecting pipe is fixedly connected with the corresponding end of the circulating pipe, the other end of the circulating pipe is installed inside the refrigerating unit, the output end of the refrigerating unit is fixedly connected with one end of a return pipe, the other end of the return pipe is fixedly connected with a water pumping port of a second water pump, a water outlet of the second water pump is fixedly connected with one end of a liquid guide pipe, and the other end of the liquid guide pipe is installed in a cooling liquid circulating box.

Preferably, the number of the fans is two, and the fans are symmetrically distributed at the bottom of the cooling reaction tank.

Preferably, the top of the cooling reaction box is provided with a heat dissipation port corresponding to the position of the air pipe port, and heat conducting fins are arranged around the heat dissipation port.

Preferably, the cold insulation layer wraps the surface layers of the pipe structures outside all the pump bodies and the box body, and the wear-resistant layer wraps the outer surface of the cold insulation layer.

Preferably, the volute pipes are positioned on the front end surface and the rear end surface of the cooling liquid circulation box, and each end surface is a positive-negative combination.

Preferably, four liquid inlets and four liquid outlets are formed in the volute tube.

Preferably, the cooling liquid collecting pipe is a main pipe and four branch pipe structures, one end of each of the four branch pipes is communicated with the liquid outlet, and the other end of each of the four branch pipes is communicated with the main pipe.

Compared with the prior art, the invention provides a vacuum pump cooling device which has the following beneficial effects:

1. this vacuum pump cooling device, through four positive and negative alternate spiral shell pipes of installation in the cooling reaction box, make the coolant liquid can take away the produced heat of the pump body from the direction of difference, radiating efficiency has been improved, fan through the installation of cooling reaction box bottom and the thermovent of seting up, make the device can dispel the heat through the fan, the heat radiation intensity has been strengthened, through refrigerating unit and coolant liquid circulation case corresponding water pipe, make the coolant liquid can cyclic utilization, when resources are saved the cost is reduced again.

2. This vacuum pump cooling device, through the outer tubular construction surface parcel cold insulation layer of box and the pump body, make the coolant liquid in the pipe receive outside temperature's influence to reduce, through the one deck wearing layer on the surface parcel on cold insulation layer, make cold insulation layer difficult to be damaged, through the liquid distribution pipe that sets up, make the coolant liquid can flow in four inlets, get into the spiral case pipe and cool off the pump body, through the coolant liquid collecting pipe that sets up, make the coolant liquid after the intensification can be brought into the refrigerating unit and refrigerate.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front sectional view of a cooling reaction box structure according to the present invention;

FIG. 3 is a back sectional view of the structure of the cooling reaction chamber of the present invention.

Wherein: 1. a vacuum pump body; 2. cooling the reaction box; 3. a coolant circulation tank; 4. a liquid pumping pipe; 5. a first water pump; 6. a liquid outlet pipe; 7. a cold insulation layer; 8. a return pipe; 9. a catheter; 10. a second water pump; 11. a refrigeration unit; 12. a flow-through tube; 13. a liquid separating pipe; 14. a first forward volute tube; 15. a liquid inlet; 16. a first reverse volute tube; 17. a coolant collection pipe; 18. a fan; 19. a second reverse volute tube; 20. a second forward volute tube; 21. a liquid outlet; 22. a volute tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a vacuum pump cooling device includes a vacuum pump body 1, the vacuum pump body 1 is located in a cooling reaction box 2, the bottom of the cooling reaction box 2 is provided with an air pipe opening, the top of the cooling reaction box 2 is provided with a heat dissipation opening corresponding to the air pipe opening, heat conduction fins are installed around the heat dissipation opening, the bottom of the air pipe opening is fixedly connected with an air outlet of a fan 18, two fans 18 are symmetrically distributed at the bottom of the cooling reaction box 2, the device can dissipate heat through the fan 18 by the fan 18 through the fan 18 and the heat dissipation opening installed at the bottom of the cooling reaction box 2, the heat dissipation strength is enhanced, a scroll tube 22 is installed inside the cooling reaction box 2, the scroll tube 22 includes a first forward scroll tube 14, a first reverse scroll tube 16, a second reverse scroll tube 19 and a second forward scroll tube 20, the scroll tube 22 is located at the front and rear end faces of a cooling liquid circulation box 3, each end face is a positive-negative combination instead of a same direction, the cooling liquid can take away heat generated by the pump body from different directions through four positive-negative alternative volute pipes 22 arranged in the cooling reaction box 2, the heat dissipation efficiency is improved, liquid inlets 15 are formed in the volute pipes 22, the volute pipes 22 are fixedly connected with liquid distribution pipes 13 through the liquid inlets 15, the cooling liquid can flow into the four liquid inlets 15 through the arranged liquid distribution pipes 13 and enters the volute pipes 22 to cool the pump body, one ends of the liquid distribution pipes 13 are fixedly connected with corresponding ends of the liquid outlet pipes 6, cold insulation layers 7 wrap the outside of the liquid outlet pipes 6, the cold insulation layers 7 wrap the surface layers of all the pump body and the structure outside the box body, the outer surfaces of the cold insulation layers 7 wrap wear-resistant layers, and the influence of the cooling liquid in the pipes by the external temperature is reduced by wrapping the cold insulation layers 7 on the surfaces of the structure outside the box body and the pump body, the surface of the cold insulation layer 7 is coated with a wear-resistant layer, so that the cold insulation layer 7 is not easy to damage, the other end of the liquid outlet pipe 6 is fixedly connected with a water outlet of the first water pump 5, a water pumping port of the first water pump 5 is fixedly connected with one end of the liquid pumping pipe 4, the other end of the liquid pumping pipe 4 is arranged in the cooling liquid circulation box 3, liquid outlets 21 of the volute pipes 22, which are provided with liquid outlets 21, are all fixedly connected with a cooling liquid collecting pipe 17, four liquid inlets 15 and four liquid outlets 21 are respectively arranged on the volute pipes 22, the cooling liquid collecting pipe 17 is a main pipe and four branch pipe structure, one end of each branch pipe is respectively communicated with the liquid outlet 21, the other end of each branch pipe is communicated with a main pipe, the warmed cooling liquid can be brought into the refrigerating unit 11 for refrigeration through the arranged cooling liquid collecting pipe 17, one end of the cooling liquid collecting pipe 17 is fixedly connected with the, the other end of the circulation pipe 12 is installed inside the refrigerating unit 11, the output end of the refrigerating unit 11 is fixedly connected with one end of the return pipe 8, the other end of the return pipe 8 is fixedly connected with a water pumping port of the second water pump 10, a water outlet of the second water pump 10 is fixedly connected with one end of the liquid guide pipe 9, the other end of the liquid guide pipe 9 is installed in the cooling liquid circulation box 3, and the cooling liquid can be recycled through corresponding water pipes of the refrigerating unit 11 and the cooling liquid circulation box 3, so that the resource is saved while the cost is reduced.

When the water-cooled vacuum pump is used, the first water pump 5 is started, the cooling liquid is brought into the corresponding water pipe from the cooling liquid circulation box 3 to cool the vacuum pump body 1, the second water pump 10 is started to bring the cooling liquid in the cooling liquid collecting pipe 17 into the refrigerating unit 11, the cooling liquid flows into the cooling liquid circulation box 3 after being cooled, and when the water-cooled mechanism breaks down, the air cooling can be carried out on the vacuum pump body 1 through the fan 18.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A vacuum pump cooling device comprises a vacuum pump body (1), and is characterized in that: the vacuum pump body (1) is positioned in the cooling reaction box (2), the bottom of the cooling reaction box (2) is provided with an air pipe opening, the bottom of the air pipe opening is fixedly connected with an air outlet of a fan (18), a volute tube (22) is installed inside the cooling reaction box (2), the volute tube (22) comprises a first forward volute tube (14), a first reverse volute tube (16), a second reverse volute tube (19) and a second forward volute tube (20), a liquid inlet (15) is formed in the volute tube (22), the volute tube (22) is fixedly connected with a liquid distribution tube (13) through the liquid inlet (15), one end of the liquid distribution tube (13) is fixedly connected with the corresponding end of the liquid outlet tube (6), a cold-keeping layer (7) is wrapped outside the liquid outlet tube (6), and the other end of the liquid outlet tube (6) is fixedly connected with a water outlet of the first water pump (5), the water pumping port of the first water pump (5) is fixedly connected with one end of the liquid pumping pipe (4), the other end of the liquid pumping pipe (4) is arranged in the cooling liquid circulating box (3), a liquid outlet (21) is arranged on the worm casing pipe (22), the liquid outlets (21) of the worm casing pipe (22) are fixedly connected with a cooling liquid collecting pipe (17), one end of the cooling liquid collecting pipe (17) is fixedly connected with the corresponding end of the circulating pipe (12), the other end of the circulating pipe (12) is arranged in the refrigerating unit (11), the output end of the refrigerating unit (11) is fixedly connected with one end of the return pipe (8), the other end of the return pipe (8) is fixedly connected with a water pumping port of a second water pump (10), the water outlet of the second water pump (10) is fixedly connected with one end of the liquid guide pipe (9), the other end of the liquid guide pipe (9) is arranged in the cooling liquid circulating box (3).

2. A vacuum pump cooling arrangement as claimed in claim 1, wherein: the number of the fans (18) is two, and the fans are symmetrically distributed at the bottom of the cooling reaction box (2).

3. A vacuum pump cooling arrangement as claimed in claim 1, wherein: the top of the cooling reaction box (2) is provided with a heat dissipation opening corresponding to the position of the air pipe opening, and heat conducting fins are arranged around the heat dissipation opening.

4. A vacuum pump cooling arrangement as claimed in claim 1, wherein: the cold insulation layer (7) wraps the surface layers of the pipe structures outside all the pump bodies and the box body, and the outer surface of the cold insulation layer (7) is wrapped with a wear-resistant layer.

5. A vacuum pump cooling arrangement as claimed in claim 1, wherein: the volute tubes (22) are positioned on the front end face and the rear end face of the cooling liquid circulation box (3), and each end face is a positive-negative combination.

6. A vacuum pump cooling arrangement as claimed in claim 1, wherein: four liquid inlets (15) and four liquid outlets (21) are formed in the volute tube (22).

7. A vacuum pump cooling arrangement as claimed in claim 1, wherein: the cooling liquid collecting pipe (17) is a main pipe and four branch pipe structures, one end of each branch pipe is communicated with the liquid outlet (21), and the other end of each branch pipe is communicated with the main pipe.