CN215672911U

CN215672911U - Water injection vacuum unit capable of preventing vacuum degree from being reduced

Info

Publication number: CN215672911U
Application number: CN202121504669.6U
Authority: CN
Inventors: 杨建立
Original assignee: Suzhou Xinli Environmental Protection Equipment Co ltd
Current assignee: Suzhou Xinli Environmental Protection Equipment Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-01-28
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses a water injection vacuum unit capable of preventing vacuum degree from being reduced, which comprises a bottom plate, wherein a water tank is fixedly connected to the top of the bottom plate, a centrifugal pump is fixedly connected to the right side of the top of the bottom plate, a water inlet pipe of the centrifugal pump is communicated with the water tank, a water outlet pipe of the centrifugal pump is communicated with an injection pump, a water outlet pipe of the injection pump is communicated with a conveying pipe, a box body is fixedly connected to the top of the water tank, and the left end of the conveying pipe is communicated with the box body. The utility model has the advantages of preventing the vacuum degree from being reduced and having the function of filtering impurities, and solves the problems that the vacuum degree is reduced easily due to overhigh temperature of circulating water because the traditional water jet vacuum unit cannot efficiently cool the heat in the circulating water in the use process, and the applicability of the water jet vacuum unit is reduced because the structure is single and the filtering function is not provided and the impurities contained in the circulating water cannot be filtered and collected.

Description

Water injection vacuum unit capable of preventing vacuum degree from being reduced

Technical Field

The utility model relates to the technical field of water jet vacuum units, in particular to a water jet vacuum unit capable of preventing vacuum degree from being reduced.

Background

The water jet vacuum pump can be used alone, also can be used for pre-pumping pumps of booster pumps, diffusion pumps, molecular pumps, backing pumps, titanium pumps, and can be used for manufacturing electric vacuum containers, vacuum welding, printing, plastic suction, maintenance of refrigeration equipment, matching of instruments and meters, laboratories and the like.

The existing water injection vacuum unit cannot efficiently cool the heat inside the circulating water in the using process, so that the temperature of the circulating water is too high, the vacuum degree is easily reduced, and the existing water injection vacuum unit has a single structure, does not have a filtering function, cannot filter and collect impurities contained in the circulating water, and reduces the applicability of the water injection vacuum unit.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a water injection vacuum unit capable of preventing vacuum degree from being reduced, which has the advantages of preventing vacuum degree from being reduced and having an impurity filtering function, and solves the problems that the vacuum degree is easily reduced due to overhigh circulating water temperature because the conventional water injection vacuum unit cannot efficiently cool and reduce the temperature of heat in the circulating water in the use process, and the applicability of the water injection vacuum unit is reduced because the structure is single and the filtering function is not provided, and impurities contained in the circulating water cannot be filtered and collected.

In order to achieve the purpose, the utility model provides the following technical scheme: a water injection vacuum unit for preventing vacuum degree from decreasing comprises a bottom plate, wherein a water tank is fixedly connected to the top of the bottom plate, a centrifugal pump is fixedly connected to the right side of the top of the bottom plate, a water inlet pipe of the centrifugal pump is communicated with the water tank, a water outlet pipe of the centrifugal pump is communicated with an injection pump, a water outlet pipe of the injection pump is communicated with a conveying pipe, a box body is fixedly connected to the top of the water tank, the left end of the conveying pipe is communicated with the box body, an air inlet pipe of the injection pump is communicated with a buffer tank, a partition plate is fixedly connected to the inner cavity of the box body, a motor is fixedly connected to the right side of the partition plate, a rotating shaft of the motor penetrates through the left side of the partition plate and is fixedly connected with a cleaning brush, a filter screen is movably connected to the inner cavity of the box body, rectangular holes are formed in the left side of the bottom of the box body and the top of the water tank, a refrigerating plate and a vertical plate are fixedly connected to the inner cavity of the water tank from left to the right in sequence, the equal fixedly connected with semiconductor cooler in the left four corners of refrigeration board, the bottom fixedly connected with fan on refrigeration board right side, the play tuber pipe intercommunication of fan has the heat exchange tube, riser and water tank are run through in proper order to the right-hand member of heat exchange tube, the air-supply line intercommunication of fan has the exhaust column, the fresh air inlet has been seted up in the left side at water tank top, the bottom on water tank right side is run through and is provided with temperature sensor.

Preferably, heat dissipation holes are formed in the top and the bottom of the left side of the water tank and are located on the left side of the semiconductor refrigerator.

Preferably, the right side of the refrigeration plate is fixedly connected with a plurality of fins.

Preferably, the top of the front side of the water tank is communicated with a water adding valve, and the bottom of the front side of the water tank is communicated with a water discharging valve.

Preferably, the right side of the buffer tank is communicated with a vacuum tube, and the top of the buffer tank is fixedly connected with a vacuum meter.

Preferably, the front side of the box body is fixedly connected with a sealing plate, bolts penetrate through two sides of the front side of the sealing plate, and the rear ends of the bolts penetrate through the sealing plate and are in threaded connection with the box body.

Preferably, the top of the front side of the water tank is fixedly connected with a controller, and the controller is respectively and electrically connected with the centrifugal pump, the jet pump, the motor, the semiconductor refrigerator and the fan.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model has the advantages of preventing the reduction of the vacuum degree and having the function of filtering impurities by matching the bottom plate, the water tank, the centrifugal pump, the jet pump, the conveying pipe, the box body, the buffer tank, the partition plate, the motor, the cleaning brush, the filter screen, the rectangular hole, the refrigerating plate, the vertical plate, the semiconductor refrigerator, the fan and the heat exchange pipe, and solves the problems that the conventional water jet vacuum unit cannot efficiently cool the heat in the circulating water in the use process, so that the temperature of the circulating water is too high, the vacuum degree is easily reduced, and the water jet vacuum unit cannot filter and collect impurities in the circulating water due to single structure and no filtering function, so that the applicability of the water jet vacuum unit is reduced.

2. The utility model can clean the surface of the filter screen by arranging the motor and the cleaning brush to avoid the filter screen from being blocked, can filter impurities contained in circulating water by arranging the filter screen, thereby prolonging the service life of a centrifugal pump and an injection pump, can cool air by arranging the refrigeration plate and the semiconductor refrigerator, can quickly cool heat contained in the circulating water by arranging the fan and the heat exchange tube to avoid the reduction of vacuum degree, and can monitor the heat of the circulating water in real time by arranging the temperature sensor.

Drawings

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

FIG. 2 is a schematic sectional view of the structure of the present invention;

FIG. 3 is a perspective view of the structure of the present invention;

FIG. 4 is an enlarged schematic view of A in FIG. 1 according to the present invention.

In the figure: the device comprises a base plate 1, a water tank 2, a centrifugal pump 3, a jet pump 4, a delivery pipe 5, a box body 6, a buffer tank 7, a partition plate 8, a motor 9, a cleaning brush 10, a filter screen 11, rectangular holes 12, a refrigerating plate 13, a vertical plate 14, a semiconductor refrigerator 15, a fan 16, a heat exchange pipe 17, an exhaust pipe 18, an air inlet hole 19, a temperature sensor 20, heat dissipation holes 21, fins 22, a sealing plate 23 and a controller 24.

Detailed Description

Referring to fig. 1-4, a water injection vacuum unit for preventing vacuum degree from decreasing comprises a bottom plate 1, a water tank 2 is fixedly connected to the top of the bottom plate 1, heat dissipation holes 21 are formed in the top and the bottom of the left side of the water tank 2, the heat dissipation holes 21 are located on the left side of a semiconductor refrigerator 15, heat dissipation of the semiconductor refrigerator 15 is facilitated by the arrangement of the heat dissipation holes 21, a water adding valve is communicated with the top of the front side of the water tank 2, a drain valve is communicated with the bottom of the front side of the water tank 2, a controller 24 is fixedly connected to the top of the front side of the water tank 2, the controller 24 is respectively electrically connected with a centrifugal pump 3, a jet pump 4, a motor 9, the semiconductor refrigerator 15 and a fan 16, the centrifugal pump 3 is fixedly connected to the right side of the top of the bottom plate 1, a water inlet pipe of the centrifugal pump 3 is communicated with the water tank 2, a water outlet pipe of the centrifugal pump 3 is communicated with the jet pump 4, a delivery pipe 5 is communicated with the jet pump 4, the top of the water tank 2 is fixedly connected with a box body 6, the front side of the box body 6 is fixedly connected with a sealing plate 23, two sides of the front side of the sealing plate 23 are all provided with bolts in a penetrating way, the rear ends of the bolts penetrate through the sealing plate 23 and are in threaded connection with the box body 6, the filter screen 11 is convenient to disassemble and clean by arranging the sealing plate 23, the left end of the conveying pipe 5 is communicated with the box body 6, an air inlet pipe of the injection pump 4 is communicated with a buffer tank 7, the right side of the buffer tank 7 is communicated with a vacuum pipe, the top of the buffer tank 7 is fixedly connected with a vacuum meter, an inner cavity of the box body 6 is fixedly connected with a partition plate 8, the right side of the partition plate 8 is fixedly connected with a motor 9, a rotating shaft of the motor 9 penetrates to the left side of the partition plate 8 and is fixedly connected with a cleaning brush 10, the surface of the filter screen 11 can be cleaned by arranging the motor 9 and the cleaning brush 10, the blockage phenomenon of the filter screen 11 is avoided, the inner cavity of the box body 6 is movably connected with the filter screen 11, through the arrangement of the filter screen 11, impurities contained in circulating water can be filtered, so that the service lives of the centrifugal pump 3 and the jet pump 4 are prolonged, rectangular holes 12 are formed in the left side of the bottom of the box body 6 and the top of the water tank 2, an inner cavity of the water tank 2 is fixedly connected with a refrigerating plate 13 and a vertical plate 14 from left to right in sequence, fins 22 are fixedly connected to the right side of the refrigerating plate 13, the number of the fins 22 is multiple, semiconductor refrigerators 15 are fixedly connected to four corners of the left side of the refrigerating plate 13, the refrigerating plate 13 and the semiconductor refrigerators 15 are arranged to cool air, a fan 16 is fixedly connected to the bottom of the right side of the refrigerating plate 13, an air outlet pipe of the fan 16 is communicated with a heat exchange pipe 17, through the fan 16 and the heat exchange pipe 17, heat contained in the circulating water can be rapidly cooled, the reduction of the vacuum degree is avoided, the right end of the heat exchange pipe 17 sequentially penetrates through the vertical plate 14 and the water tank 2, an air inlet pipe of a fan 16 is communicated with an exhaust pipe 18, an air inlet hole 19 is formed in the left side of the top of a water tank 2, a temperature sensor 20 is arranged at the bottom of the right side of the water tank 2 in a penetrating mode, the heat of circulating water can be monitored in real time by arranging the temperature sensor 20, and the vacuum degree reduction and impurity filtering functions can be prevented by matching a bottom plate 1, the water tank 2, a centrifugal pump 3, an injection pump 4, a conveying pipe 5, a box body 6, a buffer tank 7, a partition plate 8, a motor 9, a cleaning brush 10, a filter screen 11, a rectangular hole 12, a refrigerating plate 13, a vertical plate 14, a semiconductor refrigerator 15, the fan 16 and a heat exchange pipe 17, so that the problem that the vacuum degree is reduced due to overhigh temperature of the circulating water and the problem that the vacuum degree is reduced due to overhigh temperature of the circulating water in the use process of the existing water injection vacuum unit is solved, and the structure is single and does not have the filtering function, impurities contained in the circulating water cannot be filtered and collected, and the applicability of the water injection vacuum unit is reduced.

When the device is used, equipment needing vacuumizing is communicated with a vacuum tube of the buffer tank 7, the controller 24 controls the centrifugal pump 3, the jet pump 4, the motor 9 and the semiconductor refrigerator 15 to work, the centrifugal pump 3 conveys circulating water to the jet pump 4, the jet pump 4 vacuumizes the inner cavity of the buffer tank 7 in the spraying process, the circulating water is conveyed to the inner cavity of the box body 6 through the conveying tube 5, the filter screen 11 filters impurities contained in the circulating water, the filtered water is discharged to the inner cavity of the water tank 2 again through the rectangular holes 12, the rotating shaft of the motor 9 drives the cleaning brush 10 to rotate, the surface of the filter screen 11 is cleaned by the cleaning brush 10 to avoid blockage, the fan 16 pumps outside air through the exhaust tube 18 and the air inlet holes 19, the semiconductor refrigerator 15 cools and cools the air through the refrigerating plate 13 and the fins 22, and cool air is conveyed to the inner cavity of the heat exchange tube 17 through the fan 16, the heat exchange pipe 17 cools the circulating water, and hot air after heat exchange is discharged to the right side of the water tank 2, so that the circulating water is cooled.

In summary, the following steps: this prevent water injection vacuum unit of vacuum decline, through bottom plate 1, water tank 2, centrifugal pump 3, jet pump 4, conveyer pipe 5, box 6, buffer tank 7, baffle 8, motor 9, cleaning brush 10, filter screen 11, rectangular hole 12, refrigeration board 13, riser 14, semiconductor refrigerator 15, the cooperation of fan 16 and heat exchange tube 17, current water injection vacuum unit has been solved in the use, can't carry out high-efficient cooling to the heat of circulating water inside, lead to the circulating water high temperature to cause the vacuum to descend easily, and because single structure, do not have filtering capability, can not filter the collection to the impurity that contains in the circulating water, the problem of water injection vacuum unit suitability has been reduced.

Claims

1. The utility model provides a prevent water injection vacuum unit that vacuum degree descends, includes bottom plate (1), its characterized in that: the water tank is fixedly connected with the top of the bottom plate (1), the centrifugal pump (3) is fixedly connected with the right side of the top of the bottom plate (1), a water inlet pipe of the centrifugal pump (3) is communicated with the water tank (2), a water outlet pipe of the centrifugal pump (3) is communicated with the jet pump (4), a water outlet pipe of the jet pump (4) is communicated with the conveying pipe (5), the top of the water tank (2) is fixedly connected with the box body (6), the left end of the conveying pipe (5) is communicated with the box body (6), an air inlet pipe of the jet pump (4) is communicated with the buffer tank (7), a partition plate (8) is fixedly connected with the inner cavity of the box body (6), a motor (9) is fixedly connected with the right side of the partition plate (8), a rotating shaft of the motor (9) penetrates through the left side of the partition plate (8) and is fixedly connected with a cleaning brush (10), and a filter screen (11) is movably connected with the inner cavity of the box body (6), rectangular hole (12) have all been seted up with the top of water tank (2) in the left side of box (6) bottom, turn right fixedly connected with refrigeration board (13) and riser (14) in proper order from a left side in the inner chamber of water tank (2), the equal fixedly connected with semiconductor cooler (15) in the left four corners of refrigeration board (13), bottom fixedly connected with fan (16) on refrigeration board (13) right side, the play tuber pipe intercommunication of fan (16) has heat exchange tube (17), the right-hand member of heat exchange tube (17) runs through riser (14) and water tank (2) in proper order, the air-supply line intercommunication of fan (16) has exhaust column (18), fresh air inlet (19) have been seted up in the left side at water tank (2) top, the bottom on water tank (2) right side is run through and is provided with temperature sensor (20).

2. The water ejector vacuum assembly for preventing vacuum degree from dropping according to claim 1, wherein: heat dissipation holes (21) are formed in the top and the bottom of the left side of the water tank (2), and the heat dissipation holes (21) are located on the left side of the semiconductor refrigerator (15).

3. The water ejector vacuum assembly for preventing vacuum degree from dropping according to claim 1, wherein: the right side fixedly connected with fin (22) of refrigeration board (13), the quantity of fin (22) is a plurality of.

4. The water ejector vacuum assembly for preventing vacuum degree from dropping according to claim 1, wherein: the top of the front side of the water tank (2) is communicated with a water adding valve, and the bottom of the front side of the water tank (2) is communicated with a water discharging valve.

5. The water ejector vacuum assembly for preventing vacuum degree from dropping according to claim 1, wherein: the right side of the buffer tank (7) is communicated with a vacuum tube, and the top of the buffer tank (7) is fixedly connected with a vacuum meter.

6. The water ejector vacuum assembly for preventing vacuum degree from dropping according to claim 1, wherein: the front side of the box body (6) is fixedly connected with a sealing plate (23), bolts penetrate through the two sides of the front side of the sealing plate (23), and the rear ends of the bolts penetrate through the sealing plate (23) and are in threaded connection with the box body (6).

7. The water ejector vacuum assembly for preventing vacuum degree from dropping according to claim 1, wherein: the top of the front side of the water tank (2) is fixedly connected with a controller (24), and the controller (24) is electrically connected with the centrifugal pump (3), the jet pump (4), the motor (9), the semiconductor refrigerator (15) and the fan (16) respectively.