CN213144738U

CN213144738U - Auxiliary device of two-stage water ring vacuum pump

Info

Publication number: CN213144738U
Application number: CN202022116623.9U
Authority: CN
Inventors: 周煜
Original assignee: Zibo Shuanghuan Vacuum Pump Factory
Current assignee: Zibo Shuanghuan Vacuum Pump Factory
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-05-07
Anticipated expiration: 2030-09-24

Abstract

The utility model relates to an auxiliary device of doublestage water ring vacuum pump belongs to doublestage water ring vacuum pump's technical field, and it includes outer box, interior box and cooling portion, and outer box is vertical to be placed and has offered the cavity on the ground and in it, and lateral wall intercommunication has the delivery pipe on the outer box, and the upper end intercommunication of outer box has into pipe and outlet duct, and in the cavity was fixed in to the interior box, advances pipe and outlet duct all with interior box intercommunication, advance the gas vent intercommunication on pipe and the back stage pump, cooling portion sets up in the interior box for water in the interior box cools down, interior box lower extreme and outer box cavity intercommunication, the cavity intercommunication has the outlet pipe, and the outlet pipe upgrades the mouth of a river intercommunication with preceding stage water inlet and back respectively. When the vacuum pump works, gas and part of water are discharged into the inner box body, and after the vacuum pump is cooled by the cooling part, the gas and part of water are discharged into the vacuum pump again from the water outlet pipe, so that the circulation of the water in the vacuum pump is realized, and the waste of water resources is reduced.

Description

Auxiliary device of two-stage water ring vacuum pump

Technical Field

The application relates to the field of double-stage water ring vacuum pumps, in particular to an auxiliary device of a double-stage water ring vacuum pump.

Background

The existing single-stage water ring vacuum pump is a rough vacuum pump, an eccentric rotor with fixed blades is installed in the rough vacuum pump, water (liquid) is thrown to the wall of a stator, the water (liquid) forms a liquid ring concentric with the stator, the liquid ring and the rotor blades form a rotary variable-volume vacuum pump, air suction, compression and exhaust are realized by means of the change of the volume of a pump cavity, and a distribution plate is additionally arranged on the basis of the single-stage water ring vacuum pump, so that air entering the vacuum pump is compressed twice.

The utility model discloses a chinese utility model of bulletin number is CN206129641U, published as 20170426 discloses a high efficiency doublestage water ring vacuum pump, including preceding stage pump and the back stage pump that arranges in order, preceding stage pump includes preceding stage distribution dish, and the back stage pump includes back level distribution dish, is equipped with preceding stage inlet port and preceding stage exhaust hole on the preceding stage distribution dish, is equipped with back level gas inlet hole and back level exhaust hole on the back level distribution dish, is equipped with the intercommunication between preceding stage exhaust hole and the back level gas inlet hole, and preceding stage inlet port and preceding stage exhaust hole ratio are 2:1 ~ 1: 1. The working fluid, usually water, is injected into the fore-stage cavity from the fore-stage water inlet on the fore-stage pump cover, and is injected into the rear-stage cavity from the rear-stage water inlet on the rear-stage pump cover, when the fore-stage impeller and the rear-stage impeller rotate, a closed water ring with the same shape and thickness as the fore-stage cavity and the rear-stage cavity is formed due to the action of centrifugal force, the exhaust gas from the fore-stage exhaust hole of the fore-stage pump is sucked by the rear-stage air inlet hole of the rear-stage pump and then is compressed and exhausted by the rear-stage pump, so that the exhaust pressure of the fore-stage pump is reduced, and.

In view of the above-mentioned related art, the inventor believes that water resources are wasted because a part of water and gas are discharged out of the pump body when the water ring pump is operated.

SUMMERY OF THE UTILITY MODEL

In order to reduce the waste of water resource, this application provides a doublestage water ring vacuum pump's auxiliary device.

The application provides a pair of doublestage water ring vacuum pump's auxiliary device adopts following technical scheme:

the utility model provides an auxiliary device of doublestage water ring vacuum pump, includes outer box, interior box and cooling portion, outer box is vertical places and has seted up the cavity in subaerial and it, outer box lateral wall intercommunication has the delivery pipe, the upper end intercommunication of outer box has into pipe and outlet duct, interior box is fixed in the cavity, it all communicates with interior box to advance pipe and outlet duct, advance the gas vent intercommunication on pipe and the back level pump, cooling portion sets up in interior box for the water in the internal box cools down, interior box lower extreme and outer box cavity intercommunication, cavity intercommunication have the outlet pipe, the outlet pipe respectively with preceding stage water inlet and back stage mouth of a river intercommunication.

Through adopting above-mentioned technical scheme, when the vacuum pump is at the during operation, arrange gas and part water in to the inner box, then start cooling portion, after the cooling of cooling portion, arrange to the vacuum pump once more from the outlet pipe in to realize the circulation of vacuum pump water-logging, after long at cycle time when water, partly can evaporate, consequently can supply water in the outer box through the delivery pipe, supply the water of consumption already, thereby reduce the waste of water resource.

Optionally, cooling portion includes stirring rake and driving piece, the stirring rake is vertical to be worn to arrange in the inner box, and rotates with outer box and be connected, and the driving piece sets up on outer box outer wall for the rotation of drive stirring rake.

Through adopting above-mentioned technical scheme, after the box in the water entering of vacuum pump, start the driving piece, the rotation of driving piece drive stirring rake to stir water for the reduction of temperature.

Optionally, the driving part is a motor, the motor is vertically fixed on the top wall of the outer box body, and an output shaft of the motor is coaxially and fixedly connected with the stirring paddle.

Through adopting above-mentioned technical scheme, when drive stirring rake rotated, the starter motor, the motor drove the automatic rotation of stirring rake.

Optionally, a fan is fixed on the outer wall of the outer box body, the fan is communicated with an air pipe, and the air pipe vertically penetrates through the outer box body and is communicated with the inner box body.

Through adopting above-mentioned technical scheme, after the box in the water entering of vacuum pump, start the fan, the fan provides the air to in the box to increase the area of contact of water and air, thereby further accelerate the reduction of temperature.

Optionally, the lower end of the inner box body is communicated with a connecting pipe, the connecting pipe is communicated with a first electric valve, the connecting pipe is communicated with the cavity of the outer box body, and the middle of the water outlet pipe is communicated with a water pump.

Through adopting above-mentioned technical scheme, after the water in the vacuum pump got into interior box, first electric valve was in the closed condition, after water was stirred an end time by the stirring rake, opened first electric valve to make the connecting pipe communicate with the cavity of outer box, then start the water pump, the water pump in with the outer box is taken out to the vacuum pump in.

Optionally, a filter screen is arranged at the upper end of the inner box body.

Through adopting above-mentioned technical scheme, the purpose that sets up the filter screen is to following the pump body discharge back, and the water that gets into in the interior box filters, reduces the impurity of the aquatic that gets into the pump body once more.

Optionally, the filter screen is fixed in the inner box body in an inclined mode, and the stirring paddle is connected with the filter screen in a rotating mode.

By adopting the technical scheme, the purpose of setting the filter screen to incline is to ensure that the filtered waste residues can be concentrated at one position.

Optionally, a slag removing port is formed in the outer box body and is arranged at the lowest position of the filter screen.

Through adopting above-mentioned technical scheme, the purpose that sets up the slag removal mouth is, and the staff of being convenient for clears up the waste residue.

Optionally, a piston is clamped in the slag removing opening.

Through adopting above-mentioned technical scheme, the purpose that sets up the piston is opened and close the slag removing opening, when avoiding not clearing up the waste residue, partial water spills from the slag removing opening, causes the waste of water resource.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the vacuum pump is characterized in that the outer box body, the inner box body, the inlet pipe and the outlet pipe are arranged, when the vacuum pump works, gas and part of water are discharged into the inner box body, and then are discharged into the vacuum pump again from the outlet pipe after being cooled by the cooling part, so that the circulation of the water in the vacuum pump is realized, and the waste of water resources is reduced;

2. the stirring paddle is arranged for starting the driving piece after water in the vacuum pump enters the inner box body, and the driving piece drives the stirring paddle to rotate, so that the water is stirred, and the water temperature is accelerated to be reduced;

3. the purpose of setting up the filter screen is, to following the pump body discharge back, the water that gets into in the interior box filters, reduces the impurity of the aquatic that gets into the pump body once more.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

FIG. 2 is a cross-sectional view of the outer housing with portions cut away to show the inner housing and the water pump.

FIG. 3 is a cross-sectional view of the outer case and the inner case showing the entire structure of the cooling portion.

Description of reference numerals: 100. an outer case; 110. a water supply pipe; 120. feeding a pipe; 130. an air outlet pipe; 140. a water outlet pipe; 150. a water pump; 200. an inner box body; 210. a connecting pipe; 220. a first electrically operated valve; 230. a partition plate; 300. a temperature reduction part; 310. a stirring paddle; 320. a motor; 330. a fan; 340. an air duct; 400. a filter screen; 420. a piston.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses auxiliary device of doublestage water ring vacuum pump.

Referring to fig. 1 and 2, the auxiliary device of the two-stage water ring vacuum pump includes an outer casing 100, an inner casing 200 and a cooling portion 300, the outer casing 100 is vertically placed on the ground and has a cavity therein, a horizontal water supply pipe 110 is communicated with the side wall of the outer casing 100, the upper end of the outer casing 100 is communicated with an inlet pipe 120 and a vertical outlet pipe 130, and the inlet pipe 120 is communicated with an exhaust port of the rear-stage pump. The inner box 200 is fixed in the cavity, and the inlet pipe 120 and the outlet pipe 130 are both communicated with the inner box 200. The lower end of the inner box body 200 is communicated with the cavity of the outer box body 100, the cavity is communicated with a water outlet pipe 140, the middle of the water outlet pipe 140 is communicated with a water pump 150, and one end of the water outlet pipe 140, which is far away from the outer box body 100, is respectively communicated with a front stage water inlet and a rear stage water inlet. The cooling part 300 is provided in the inner case 200 to cool down water in the inner case 200. When the vacuum pump operates, gas and part of water are discharged into the inner box body 200, then the cooling part 300 is started, after the cooling of the cooling part 300, the water pump 150 is started, the water pump 150 pumps the water in the outer box body 100 into the vacuum pump, so that the circulation of the water in the vacuum pump is realized, and when the water is circulated for a long time, a part of the water can be evaporated, so that the water can be supplied into the outer box body 100 through the water supply pipe 110, and the consumed water is replenished.

Referring to fig. 3, the cooling portion 300 includes a paddle 310 and a driving member, and the paddle 310 vertically penetrates the inner case 200 and is rotatably connected to the outer case 100. The driving member is a motor 320, the motor 320 is vertically fixed on the top wall of the outer box 100, and the output shaft is coaxially and fixedly connected with the stirring paddle 310. A partition plate 230 is horizontally fixed in the inner box 200, and a stirring paddle 310 is disposed above the partition plate 230. The partition plate 230 is communicated with a connection pipe 210, the connection pipe 210 is communicated with a first electric valve 220, and the connection pipe 210 is communicated with the cavity of the outer case 100. When cooling down the water in the internal box 200, the motor 320 is started, the motor 320 drives the automatic rotation of the stirring paddle 310, so that the stirring paddle 310 stirs the water, the water temperature is reduced, then the first electric valve 220 is opened, the connecting pipe 210 is communicated with the cavity of the external box 100, and the water can enter the vacuum pump.

In order to further accelerate the reduction of the water temperature, a fan 330 is fixed on the top wall of the outer box body 100, the fan 330 is communicated with an air pipe 340, and the air pipe 340 vertically penetrates through the outer box body 100 and is communicated with the inner box body 200. After the water in the vacuum pump enters the inner case 200, the blower fan 330 is turned on, and the blower fan 330 supplies air into the inner case 200, thereby increasing a contact area of the water and the air.

In order to reduce the impurities in the water entering the vacuum pump, a filter screen 400 is obliquely fixed in the inner box 200, and the stirring paddle 310 is rotatably connected with the filter screen 400. A slag removing opening is arranged on the outer box body 100 and is arranged at the lowest position of the filter screen 400. A piston 420 is clamped in the slag removing opening to seal the slag removing opening. After the water in the pump body is discharged into the inner box body 200, the filtered residues are left on the filter screen 400 and are concentrated at one position under the inclination action of the filter screen 400, and after the vacuum pump stops working, the piston 420 is pulled out to clean the residues.

The implementation principle of the auxiliary device of the two-stage water ring vacuum pump in the embodiment of the application is as follows: when the vacuum pump during operation, the gas of vacuum pump combustion gas and partial water enter into in box 200, gas is discharged from outlet duct 130, water passes through the filtration of filter screen 400, the waste residue is stayed on filter screen 400, then starter motor 320, motor 320 drives the rotation of stirring rake 310, stirring rake 310 stirs water, start fan 330 simultaneously, air is blown into to interior box 200 to fan 330, thereby make the cooling of accelerating water, then open first electric valve 220, make in the interior box 200 water get into in outer box 100, then start water pump 150, water pump 150 takes out the water in outer box 100 to the vacuum pump in, water in the supplementary vacuum pump.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an auxiliary device of doublestage water ring vacuum pump which characterized in that: including outer box (100), interior box (200) and cooling portion (300), outer box (100) are vertical to be placed in subaerial and in it seted up the cavity, outer box (100) lateral wall intercommunication has delivery pipe (110), the upper end intercommunication of outer box (100) has into pipe (120) and outlet duct (130), interior box (200) are fixed in the cavity, it all communicates with interior box (200) to advance pipe (120) and outlet duct (130), advance the gas vent intercommunication on pipe (120) and the back stage pump, cooling portion (300) set up in interior box (200) for cool down the water in interior box (200), interior box (200) lower extreme and outer box (100) cavity intercommunication, the cavity intercommunication has outlet pipe (140), outlet pipe (140) respectively with preceding stage water inlet and back stage mouth of a river intercommunication.

2. The auxiliary device of a dual stage water ring vacuum pump as claimed in claim 1, wherein: cooling portion (300) are including stirring rake (310) and driving piece, in box (200) in stirring rake (310) is vertical to be worn to arrange in, and rotate with outer box (100) and be connected, the driving piece sets up on outer box (100) outer wall for the rotation of drive stirring rake (310).

3. The auxiliary device of a dual stage water ring vacuum pump as claimed in claim 2, wherein: the driving piece is a motor (320), and an output shaft of the motor (320) is coaxially and fixedly connected with the stirring paddle (310).

4. The auxiliary device of a dual stage water ring vacuum pump as claimed in claim 3, wherein: the outer wall of the outer box body (100) is fixedly provided with a fan (330), the fan (330) is communicated with an air pipe (340), and the air pipe (340) vertically penetrates through the outer box body (100) and is communicated with the inner box body (200).

5. The auxiliary device of a dual stage water ring vacuum pump as claimed in claim 4, wherein: the lower end of the inner box body (200) is communicated with a connecting pipe (210), the connecting pipe (210) is communicated with a first electric valve (220), the connecting pipe (210) is communicated with the cavity of the outer box body (100), and the middle of the water outlet pipe (140) is communicated with a water pump (150).

6. The auxiliary device of a dual stage water ring vacuum pump as claimed in claim 5, wherein: the upper end of the inner box body (200) is provided with a filter screen (400).

7. The auxiliary device of a dual stage water ring vacuum pump as claimed in claim 6, wherein: the filter screen (400) is obliquely fixed in the inner box body (200), and the stirring paddle (310) is rotationally connected with the filter screen (400).

8. The auxiliary device of a dual stage water ring vacuum pump as claimed in claim 7, wherein: the outer box body (100) is provided with a slag removing opening, and the slag removing opening is arranged at the lowest position of the filter screen (400).

9. The auxiliary device of a dual stage water ring vacuum pump as claimed in claim 8, wherein: a piston (420) is clamped in the slag removing opening.