CN212700918U

CN212700918U - Water and gas removing and purifying device for vacuum pump

Info

Publication number: CN212700918U
Application number: CN202020884891.2U
Authority: CN
Inventors: 肖小万
Original assignee: Chongqing Kaishan Fluid Machinery Co ltd
Current assignee: Chongqing Kaishan Fluid Machinery Co ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-03-16
Anticipated expiration: 2030-05-22

Abstract

The utility model relates to a vacuum pump dewatering equipment's technical field discloses vacuum pump is with removing water air-purifying device, including urceolus and inner tube, the inner tube is located in the urceolus, and the inner tube is provided with the spiral board along its axial spiral, has seted up intake pipe and blast pipe on the urceolus, and the inner tube both ends are the opening end, the inner tube with the blast pipe intercommunication, urceolus bottom intercommunication have the flowing back unit, the inner tube in-connection has the guide post, the guide post includes the straight section of thick bamboo and the awl section of thick bamboo of coaxial setting, the inside equal cavity of straight section of thick bamboo and awl section of thick bamboo, and straight section of thick bamboo and awl section of thick bamboo communicate each other, and awl section of thick bamboo wholly is hourglass hopper-shaped, and the both sides limit of an arbitrary longitudinal section of awl section of thick bamboo all is the arc form to the indent, and the main aspects of awl section of thick bamboo. The utility model discloses can carry out abundant gas-liquid separation to gas, reduce the moisture content of combustion gas.

Description

Water and gas removing and purifying device for vacuum pump

Technical Field

The utility model relates to a vacuum pump dewatering equipment's technical field, concretely relates to vacuum pump is with dewatering air purification device.

Background

A vacuum pump is a device for obtaining a vacuum by mechanically, physically, chemically, or physico-chemically pumping a pumped container, and is a device capable of improving, generating, and maintaining a vacuum in a certain enclosed space. In many fields, the vacuum pump often needs to be used, however, before the vacuum pump is adopted, sundries such as a large amount of moisture or dust are contained in the gas transmitted out of the equipment at the front end of the vacuum pump, the gas needs to be cleared away firstly, and the service life of the vacuum pump is prevented from being influenced after the large amount of moisture and dust enter the vacuum pump.

In order to solve the technical problems, the patent with the publication number of CN204208383U discloses a cyclone dust-removing steam-water separator, which comprises a separating cylinder, a sleeve, a steam inlet, a steam outlet, a top plate, a cyclone reversing pipe, an air inlet reversing baffle, an air outlet reversing baffle, a spiral flow deflector, a liquid guide pipe, a liquid separating plate, a filter screen, a liquid collecting filter and an automatic water drain valve, wherein the steam inlet and the steam outlet are connected to a steam supply pipeline through flanges and also can be adjusted through reducing flanges to be connected with steam supply pipelines with different diameters, the spiral flow deflector is tangentially connected with the middle cyclone reversing pipe to lead the steam to spirally advance after entering the separating cylinder to generate larger centrifugal force, which is more beneficial to leading water phase and solid particles to flow down along the inner wall of the separating cylinder, the liquid guide pipe is arranged at the steam outlet, the water is guided to the liquid separating plate after being condensed, when the amount of the water flowing down reaches a certain amount, the water is automatically discharged.

Although the separation of water and gas can be realized to above-mentioned patent, above-mentioned patent is carrying out steam separation's in-process, and the piece-rate process is very single, and steam gets into the cylinder and advances along with spiral water conservancy diversion piece, and when steam from spiral water conservancy diversion piece outflow back, can directly rise to upwards discharge, in this kind of separation mode, still contain moisture in the steam that flows out from spiral water conservancy diversion piece, lead to the separation effect relatively poor, do not realize the effect of complete gas-liquid complete separation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a vacuum pump is with removing water gas purification device aims at can carrying out abundant gas-liquid separation to gas, reduces the moisture content of combustion gas.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the water and gas removing and purifying device for the vacuum pump comprises an outer cylinder and an inner cylinder, wherein the inner cylinder is positioned in the outer cylinder, and the inner cylinder is spirally provided with a spiral plate along the axial direction thereof, the outer cylinder is provided with an air inlet pipe and an exhaust pipe, the two ends of the inner cylinder are open ends, the inner cylinder is communicated with the exhaust pipe, the bottom of the outer cylinder is communicated with a liquid discharge unit, the inner cylinder is internally connected with a guide post which comprises a straight cylinder and a conical cylinder which are coaxially arranged, the straight cylinder and the conical cylinder are both hollow, the straight cylinder and the conical cylinder are communicated with each other, the conical cylinder is integrally funnel-shaped, two side edges of any longitudinal section of the conical cylinder are both arc-shaped inwards concave, the big end of awl section of thick bamboo is the opening end, the tip of awl section of thick bamboo with straight section of thick bamboo interconnect, seted up a plurality of first gas vents on the lateral wall of awl section of thick bamboo, liquid outlet has been seted up to straight section of thick bamboo bottom.

The principle and the advantages of the scheme are as follows: during practical application, can flow downwards along the spiral plate after gaseous follow intake pipe gets into the urceolus, because the spiral plate spiral sets up, can prolong gaseous flow path, and is better to gaseous separation effect. Because the specific gravity of the liquid is greater than that of the gas, the gas generates centrifugal force in the process of flowing downwards along the spiral plate, the liquid is thrown outwards and condensed to form liquid drops and gathered together, and after the gas flows out of the spiral plate, the flow velocity is slowed down because the flow area in the outer barrel is greater than the flow area of the spiral plate, the liquid drops contained in the gas are settled and then drop to the bottom of the outer barrel for collection, so that the primary separation of the gas and the liquid is realized, and the gas can continuously rise upwards and enter the inner barrel.

Owing to be equipped with the guide post in the inner tube among this technical scheme, can avoid gas directly to get into the blast pipe from the inner tube and be discharged, the gas that gets into the inner tube can be followed in first gas port gets into the guide post, then is discharged from the blast pipe again, the guide post includes straight section of thick bamboo and a awl section of thick bamboo among this technical scheme, and the both sides limit of an arbitrary longitudinal section of a awl section of thick bamboo all is to concave arc form, such setting can play the effect of direction to the gas that gets into the inner tube, make the air current revolve to produce the change, make simultaneously the gaseous effect that produces the collision with the lateral wall of a awl section of thick bamboo, thereby produce in the big liquid drop drips the straight section of thick bamboo, and flow from the play liquid hole of straight section of thick bamboo bottom, and the gas at this moment will flow to blast pipe department and.

The setting of guide post can play the effect of secondary collision and separation to gas among this technical scheme, makes the moisture volume in the combustion gas still less to improve the quality of combustion gas, and then can improve vacuum pump's life.

Preferably, as an improvement, the top of a awl section of thick bamboo is equipped with the exhaust column, the exhaust column wholly is lou hopper-shaped, the both sides limit of arbitrary one longitudinal section of exhaust column all is to the arc form of indent, just the main aspects of exhaust column are close to in a awl section of thick bamboo, the exhaust column with the blast pipe communicates with each other.

So set up, can change gaseous flow direction once more, further play the separation effect to gas, it is better to gaseous drying effect, gaseous entering guide post back, need flow to blast pipe from the exhaust column again, because the both sides limit of an arbitrary longitudinal section of exhaust column also is the arc form to the indent, gaseous in the in-process gaseous meeting that flows produces the collision with the lateral wall of exhaust column, produce the liquid drop and flow down to straight in the section of thick bamboo to flow from the liquid outlet.

Preferably, as an improvement, a plurality of second air holes are formed in the side wall of the exhaust column.

Through having seted up the second gas pocket on the lateral wall of exhaust post among this technical scheme, the gas that gets into in the guide post need flow direction blast pipe through the second gas pocket, has changed gaseous flow direction in this process, can strengthen the impact between gaseous and the exhaust post lateral wall to it is better to the separation effect of gas-liquid.

Preferably, the air inlet pipe is located on one side of the outer cylinder, the exhaust pipe is located at the top end of the outer cylinder, and the air inlet pipe and the exhaust pipe are arranged perpendicularly.

Among this technical scheme, the blast pipe is located the top of urceolus to make the blast pipe set up, the comdenstion water backward flow in the time of being convenient for to exhaust, and the comdenstion water backward flow in the pipeline after shutting down, and intake pipe and blast pipe set up perpendicularly among this technical scheme, set up the intake pipe like this and set up to the level and arrange, the comdenstion water backward flow in the pipeline after the comdenstion water all gets into the jar body and shuts down when being convenient for.

Preferably, as an improvement, the small end of the exhaust column is provided with a through hole.

Among this technical scheme, the gas that gets into in the guide post flows through the through-hole on the exhaust column tip, and the in-process that flows still can produce the collision and produce the liquid drop with the lateral wall of exhaust column, and need not among this technical scheme at exhaust column lateral wall trompil, and its manufacturing and processing cost is low, and efficiency is higher.

Preferably, as an improvement, a water absorption sponge is arranged between the exhaust column and the cone.

So set up, can carry out dual efficient absorption to the moisture of gas to it is lower to make from the gas moisture content of blast pipe by the exhaust gas.

Preferably, as an improvement, a collision plate is connected in the cone.

The arrangement of the collision plate can enable the gas to enter the guide post from the first gas hole and then collide with the collision plate when the gas rises, so that the gas separation effect is better, and small liquid drops contained in the gas are changed into large liquid drops and then fall.

Preferably, as an improvement, the collision plate is disposed obliquely.

So set up, after in gas gets into the guide post, stronger with the impact between the collision board, the gas-liquid separation effect is better.

Preferably, as an improvement, the liquid discharge unit comprises a sewage connection pipe and a sewage valve, the sewage connection pipe is communicated with the outer cylinder, and the sewage valve is communicated with the sewage connection pipe.

In this technical scheme, just can be with the liquid of collecting in the urceolus from blowdown takeover by the discharge through opening the blowoff valve, and drainage unit simple structure among this technical scheme, easy operation.

Preferably, as an improvement, the lateral wall of the outer cylinder is provided with an access hole.

The arrangement of the access hole is convenient for cleaning waste residues in the outer barrel and is convenient for maintaining the outer barrel.

Drawings

Fig. 1 is a front view of a first embodiment of a water and gas removing and purifying device for a vacuum pump of the present invention.

Fig. 2 is a sectional view taken along the line a-a in fig. 1.

Fig. 3 is a sectional view taken along line B-B in fig. 1.

Fig. 4 is a partially enlarged view of C in fig. 2.

Fig. 5 is a longitudinal full sectional view of the second embodiment of the water and gas removing and purifying device for a vacuum pump of the present invention.

Fig. 6 is a longitudinal full sectional view of a third embodiment of the water and gas removing and purifying device for a vacuum pump of the present invention.

Fig. 7 is a longitudinal full sectional view of a fourth embodiment of the water and gas removing and purifying device for a vacuum pump of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a pollution discharge connecting pipe 1, a support 2, a lower end enclosure 3, an upper end enclosure 4, an outer cylinder 5, an inner cylinder 6, a baffle 7, an access hole 8, an air inlet pipe 9, an exhaust pipe 10, an electric control mounting plate 11, a guide column 12, a straight cylinder 121, a conical cylinder 122, an exhaust column 13, a collision plate 14, a spiral plate 15, a liquid outlet hole 16, a first air hole 17, a second air hole 18 and a water absorption sponge 19.

Example one

The embodiment is basically as shown in the attached figures 1 and 2: the water and gas removing and purifying device for the vacuum pump comprises an outer cylinder 5 and an inner cylinder 6, wherein the outer cylinder 5 and the inner cylinder 6 are both cylindrical, and the insides of the outer cylinder 5 and the inner cylinder are hollow structures. An upper end socket 4 is welded and fixed at the upper end of the outer barrel 5, a lower end socket 3 is welded and fixed at the lower end of the outer barrel 5, any longitudinal section of the upper end socket 4 and any longitudinal section of the lower end socket 3 are arc-shaped, the upper end socket 4 and the lower end socket 3 are both communicated with the outer barrel 5, four supports 2 are welded and fixed at the bottom of the lower end socket 3 in the embodiment, and the four supports 2 support the whole dewatering separation tank.

As shown in fig. 1, the upper part of the outer cylinder 5 is fixedly connected with an electric control mounting plate 11 through bolts, and an electric control box (not shown in the figure) is mounted on the electric control mounting plate 11 and used for controlling the start, stop, emergency stop and the like of the water separation tank, and belongs to an electric assembly of the water separation tank.

Referring to fig. 2, the inner cylinder 6 and the outer cylinder 5 are coaxially arranged, a spiral plate 15 which is spirally arranged is welded and fixed on the outer periphery of the inner cylinder 6 along the axial direction, the outer side of the spiral plate 15 is welded and fixed on the inner wall part of the outer cylinder 5, and the relative sealing effect between the spiral plate 15 and the outer cylinder 5 is realized, i.e. no gap is formed between the spiral plate 15 and the outer cylinder 5, and a spiral channel is formed among the spiral plate 15, the inner cylinder 6 and the outer cylinder 5.

As shown in fig. 1, a liquid discharging unit for discharging liquid is arranged at the lower part of the outer cylinder 5, and in this embodiment, the liquid discharging unit comprises a sewage connecting pipe 1 and a sewage valve (not shown in the figure), one end of the sewage connecting pipe 1 is communicated with the lower end enclosure 3, so that the sewage connecting pipe 1 is communicated with the outer cylinder 5, and the sewage valve is arranged on the sewage connecting pipe 1 and is communicated with the sewage connecting pipe 1. The top end of the outer cylinder 5 is communicated with an exhaust pipe 10, and in the embodiment, the exhaust pipe 10 is welded and fixed with the upper end enclosure 4.

As shown in fig. 2, the top end of the inner cylinder 6 is welded and fixed to the upper head 4, the top end of the inner cylinder 6 is communicated with the exhaust pipe 10, and the bottom end of the inner cylinder 6 is an open end. As shown in fig. 1, the right side of the outer cylinder 5 is communicated with an air inlet pipe 9, the axis of the air inlet pipe 9 is perpendicular to the axis of the exhaust pipe 10, so that the air inlet pipe 9 and the exhaust pipe 101 are vertically arranged, the air inlet pipe 9 is located at the upper part of the outer cylinder 5, and the air inlet pipe 9 is located above the spiral plate 15, so that air entering the outer cylinder 5 from the air inlet pipe 9 can flow to the lower part of the spiral plate 15 along the upper part of the spiral plate 15.

As shown in fig. 2, a baffle 7 is welded and fixed to the top of the spiral plate 15, one side of the baffle 7 is welded and fixed to the inner cylinder 6, and the other side of the baffle 7 is welded and fixed to the inner side wall of the outer cylinder 5, as shown in fig. 3, an included angle is formed between the baffle 7 and the air inlet pipe 9, specifically, in this embodiment, the included angle between the baffle 7 and the axis of the air inlet pipe 9 is 60 °, under the action of the baffle 7, the airflow entering the outer cylinder 5 from the air inlet pipe 9 flows along a spiral channel formed between the spiral plate 15, the inner cylinder 6 and the outer cylinder 5, and the baffle 7 plays a role in guiding the airflow to smoothly enter the spiral channel.

As shown in fig. 2, a guide post 12 is connected in the inner cylinder 6, the guide post 12 includes a straight cylinder 121 and a conical cylinder 122 which are coaxially arranged, the straight cylinder 121 and the conical cylinder 122 are both hollow, and the straight cylinder 121 and the conical cylinder 122 are communicated with each other. In this embodiment, the whole cone 122 is funnel-shaped, and both side edges of any longitudinal section of the cone 122 are arc-shaped inward concave, the large end of the cone 122 is open, the small end of the cone 122 is connected with the straight cylinder 121, the small end of the cone 122 and the straight cylinder 121 are in smooth transition, the cone 122 and the straight cylinder 121 are integrally formed, the top end of the cone 122 is the large end, the bottom end of the cone 122 is the small end, and the diameter of the large end of the cone 122 is greater than that of the small end of the cone 122.

The side wall of the large end of the cone 122 is welded and fixed with the inner cylinder 6. The sidewall of the cone 122 is provided with a plurality of first air holes 17, and as shown in fig. 3, the plurality of first air holes 17 are distributed in a radial shape with the axis of the cone 122 as the center. As shown in fig. 4, the bottom of the straight cylinder 121 is provided with a liquid outlet 16.

As shown in fig. 1 and 2, an access opening 8 is formed in the lower portion of the outer cylinder 5, and the access opening 8 is provided to facilitate later maintenance and cleaning of waste slag in the outer cylinder 5.

The specific implementation process is as follows: the water and gas removing and purifying device for the vacuum pump in the embodiment needs to be communicated with the front end of the vacuum pump, so that water vapor and liquid in the vacuum system are removed, and the gas drying of the vacuum pump is ensured to protect the operation of the vacuum pump.

The air delivered from the front end equipment of the vacuum pump contains a large amount of impurities such as moisture or dust, so that the air is in a steam shape, the air delivered from the front end equipment of the vacuum pump enters the outer cylinder 5 from the air inlet pipe 9 and flows downwards along the spiral plate 15, the air generates rotary motion in the process of flowing downwards along the spiral plate 15, the spiral plate 15 generates an accumulation effect on the entering air, the air rotates under the action of the spiral plate 15 to generate centrifugal force due to the fact that the specific gravity of the liquid is larger than that of the air, the liquid in the air is scattered outwards, the liquid in the air is thrown out to the inner wall of the outer cylinder 5 to realize primary separation to generate water drops, the spiral plate 15 is positioned on the periphery of the inner cylinder 6, when the air flows along the spiral plate 15, the flow area is small, the flow speed is high, when the air flows to the lower part of the inner cylinder 6, the flow area below the inner cylinder 6 is large, and at the time, the water drops in the air, the gas rises and enters the inner cylinder 6, and the gas entering the inner cylinder 6 enters the guide column 12 through the first gas hole 17 and is then discharged from the gas discharge pipe 10.

However, in this embodiment, the gas entering the inner cylinder 6 flows vertically upward along the straight cylinder 121, and collides with the side wall of the tapered cylinder 122 after flowing to the vicinity of the tapered cylinder 122, and because both sides of the longitudinal section of the tapered cylinder 122 are inward curved surfaces, the gas flow direction can be changed, so that the collision effect between the gas and the tapered cylinder 122 is improved, and large droplets are generated, the generated droplets will drop into the straight cylinder 121 and flow out from the liquid outlet hole 16 at the bottom of the straight cylinder 121, and finally the gas flows from the tapered cylinder 122 to the exhaust pipe 10 and is discharged.

Example two

As shown in fig. 5, the difference between the water and gas removing and purifying device for a vacuum pump and the first embodiment is: the exhaust column 13 is arranged above the cone 122, the exhaust column 13 is funnel-shaped, the exhaust column 13 is hollow, two side edges of any longitudinal section of the exhaust column 13 are both arc-shaped and concave inwards, the large end of the exhaust column 13 is close to the cone 122, and the exhaust column 13 is communicated with the exhaust pipe 10. In this embodiment, the end of the exhaust column 13 with the largest diameter is a large end, the large end of the exhaust column 13 is an open end, and the side wall of the large end of the exhaust column 13 is welded and fixed with the inner cylinder 6.

The side wall of the exhaust column 13 is opened with a plurality of second air holes 18. The plurality of second air holes 18 are distributed divergently outward centering on the axis of the exhaust column 13.

In the embodiment, the collision plate 14 is connected to the cone tube 122, the collision plate 14 is disposed obliquely, and the collision plate 14 and the cone tube 122 are welded and fixed in the embodiment.

In this embodiment, the collision plate 14 is provided so that the gas enters the guide column 12 from the first gas holes 17 and then collides with the collision plate 14 when rising, thereby providing a better gas separation effect and causing small droplets contained in the gas to drop down as large droplets. And the space between guide post 12 and the exhaust column 13 plays the effect of buffer memory to the gas that gets into in this embodiment, makes gas can form more abundant separation effect in guide post 12 and exhaust column 13, and gas can form the effect of collision with the lateral wall of guide post 12 and the lateral wall of exhaust column 13 respectively to improve the separation effect of gas-liquid, reduce the water content of the gas that discharges.

EXAMPLE III

As shown in fig. 6, the difference between the water and gas removing and purifying device for a vacuum pump and the second embodiment is: in this embodiment, the small end of the exhaust column 13 is provided with a through hole, and the side wall of the exhaust column 13 does not need to be provided with a hole, and the gas entering the guide column 12 is discharged from the through hole at the small end of the exhaust column 13. In this embodiment, the gas entering the guide post 12 flows out through the through hole at the small end of the exhaust post 13, and during the flowing process, the gas still collides with the side wall of the exhaust post 13 to generate liquid drops, and in this technical scheme, the side wall of the exhaust post 13 is not required to be perforated, so that the manufacturing and processing cost is low, and the efficiency is higher.

Example four

As shown in fig. 7, the difference between the water and gas removing and purifying device for a vacuum pump and the second embodiment is: in this embodiment, a water-absorbing sponge 19 is disposed between the exhaust column 13 and the cone 122. The sponge 19 that absorbs water that sets up among this technical scheme can carry out dual efficient to the moisture of gas and absorb to the messenger is lower from the gaseous water content of blast pipe 10 combustion gas, and gas-liquid separation effect is better.

The above description is only an example of the present invention, and the detailed technical solutions and/or characteristics known in the solutions are not described too much here. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. Vacuum pump is with net gas device of dewatering, including urceolus and inner tube, the inner tube is located in the urceolus, just the inner tube is provided with the spiral plate along its axial spiral, intake pipe and blast pipe have been seted up on the urceolus, the inner tube both ends are the opening end, the inner tube with the blast pipe intercommunication, urceolus bottom intercommunication has flowing back unit, its characterized in that: the inner tube in-connection has the guide post, the guide post includes a straight section of thick bamboo and a awl section of thick bamboo of coaxial setting, a straight section of thick bamboo with bore an inside equal cavity, a straight section of thick bamboo with bore a section of thick bamboo intercommunication each other, a awl section of thick bamboo is whole to be leaks hopper-shaped, the both sides limit of an arbitrary longitudinal section of a awl section of thick bamboo all is the arc form to the indent, the main aspects of a awl section of thick bamboo are the opening end, the tip of a awl section of thick bamboo with a straight section of thick bamboo interconnect, a plurality of first pores have been seted up on the lateral wall of a awl section of thick bamboo, liquid hole has been seted up to.

2. The water and gas removing and purifying device for the vacuum pump according to claim 1, wherein: the top of awl section of thick bamboo is equipped with the exhaust column, the exhaust column is whole to be leaks hopper-shaped, the both sides limit of arbitrary one longitudinal section of exhaust column all is the arc form to the indent, just the main aspects of exhaust column are close to in a awl section of thick bamboo, the exhaust column with the blast pipe communicates with each other.

3. The water and gas removing and purifying device for the vacuum pump according to claim 2, wherein: and a plurality of second air holes are formed in the side wall of the exhaust column.

4. The water and gas removing and purifying device for the vacuum pump according to claim 2, wherein: and the small end of the exhaust column is provided with a through hole.

5. The water and gas removing and purifying device for the vacuum pump according to claim 2, wherein: and a water absorption sponge is arranged between the exhaust column and the conical cylinder.

6. The water and gas removing and purifying device for the vacuum pump according to any one of claims 1 to 5, wherein: and a collision plate is connected in the cone.

7. The water and gas removing and purifying device for the vacuum pump according to claim 6, wherein: the collision plate is obliquely arranged.

8. The water and gas removing and purifying device for the vacuum pump according to claim 1, wherein: the intake pipe is located one side of urceolus, the blast pipe is located the top of urceolus, just the intake pipe with the blast pipe sets up perpendicularly.

9. The water and gas removing and purifying device for the vacuum pump according to claim 1, wherein: the liquid discharge unit comprises a sewage discharge connecting pipe and a sewage discharge valve, the sewage discharge connecting pipe is communicated with the outer barrel, and the sewage discharge valve is communicated with the sewage discharge connecting pipe.

10. The water and gas removing and purifying device for the vacuum pump according to claim 1, wherein: an access hole is formed in the side wall of the outer barrel.