CN216342796U - Safety device for liquid ring-based water ring vacuum pump - Google Patents
Safety device for liquid ring-based water ring vacuum pump Download PDFInfo
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- CN216342796U CN216342796U CN202122136042.6U CN202122136042U CN216342796U CN 216342796 U CN216342796 U CN 216342796U CN 202122136042 U CN202122136042 U CN 202122136042U CN 216342796 U CN216342796 U CN 216342796U
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Abstract
The utility model discloses a safety device for a liquid ring type water ring vacuum pump, which comprises a separation mechanism, a water-vapor separator, a free check valve arranged at the top of the water-vapor separator and a first connecting pipe arranged at the top of the free check valve, wherein the separation mechanism comprises a water-vapor separator, a free check valve arranged at the top of the water-vapor separator and a first connecting pipe arranged at the top of the free check valve; and the connecting mechanism comprises a second connecting pipe, a third connecting pipe arranged at one end of the second connecting pipe, which is far away from the water-vapor separator, and a valve groove arranged on the surface of the third connecting pipe. The utility model has the beneficial effects that: through setting up free formula check valve and first connecting pipe to inside messenger and the communicating vapor separator of atmosphere can not lead to the air to flow backwards the vacuum pump because of the vacuum pump trouble, and then get into negative pressure system, cause the unit vacuum to descend, through setting up the valve groove, will lead to the spring mechanical type check valve of jam to demolish easily, and the cooperation plugging block is with the shutoff of valve groove, thereby reduces the leakage point that flange joint may cause.
Description
Technical Field
The utility model relates to the technical field of liquid ring water ring vacuum pumps, in particular to a safety device for a liquid ring water ring vacuum pump.
Background
The vacuum pump is a device or equipment for obtaining vacuum by pumping a pumped container by using a mechanical, physical, chemical or physicochemical method, in popular terms, the vacuum pump is a device for improving, generating and maintaining vacuum in a certain closed space by using various methods, a steam-water separator is a pressure container structure carbon steel or stainless steel equipment, and the steam-water separator must be installed on a horizontal pipeline.
The vacuum pump has the advantages of large air suction amount, high efficiency and the like, in order to prevent the vacuum pump from tripping due to power loss or faults in operation to cause sudden drop of the vacuum of the unit and improve the reliability of operation, the spring type mechanical check valve is arranged at the inlet of the vacuum pump, but the spring type mechanical check valve is blocked and cannot be fully opened when the unit is operated for many times, so that the output of the vacuum pump is reduced, the vacuum of the unit is reduced, and particularly, the safe and economic operation of the unit is greatly influenced in summer.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the utility model.
The present invention has been made in view of the above and/or other problems occurring in the conventional safety device for a liquid ring-based water ring vacuum pump.
Therefore, the utility model aims to solve the problems that the vacuum pump has the advantages of large air suction amount, high efficiency and the like, in order to prevent the sudden vacuum drop of the unit caused by power loss or fault tripping of the vacuum pump in operation and improve the reliability of operation, the spring type mechanical check valve is arranged at the inlet of the vacuum pump, but the spring type mechanical check valve is blocked and can not be fully opened when the unit is operated for many times, so that the output of the vacuum pump is reduced, the vacuum of the unit is reduced, and particularly, the safe and economic operation of the unit is greatly influenced in summer.
In order to solve the technical problems, the utility model provides the following technical scheme: a safety device for a liquid ring type water ring vacuum pump comprises a separation mechanism, a water-vapor separator, a free check valve and a first connecting pipe, wherein the free check valve is arranged at the top of the water-vapor separator;
the connecting mechanism comprises a second connecting pipe, a third connecting pipe arranged at one end, far away from the water-vapor separator, of the second connecting pipe, a valve groove arranged on the surface of the third connecting pipe, and a blocking block arranged at the top of the valve groove;
and the vacuum mechanism comprises a vacuum pump, a fourth connecting pipe arranged at the input end of the vacuum pump, and a fifth connecting pipe arranged at the output end of the vacuum pump.
As a preferable aspect of the safety device for a liquid ring-based water ring vacuum pump according to the present invention, wherein: the connecting mechanism further comprises an electric stop valve and a surface arranged at one end, far away from the water-vapor separator, of the second connecting pipe.
As a preferable aspect of the safety device for a liquid ring-based water ring vacuum pump according to the present invention, wherein: the connecting mechanism further comprises a pneumatic quick-closing valve and a surface arranged at one end, far away from the second connecting pipe, of the third connecting pipe.
As a preferable aspect of the safety device for a liquid ring-based water ring vacuum pump according to the present invention, wherein: the surface area of the blocking block is larger than that of the valve slot.
As a preferable aspect of the safety device for a liquid ring-based water ring vacuum pump according to the present invention, wherein: the periphery of the plugging block and the inner cavity of the valve groove are welded through argon arc.
As a preferable aspect of the safety device for a liquid ring-based water ring vacuum pump according to the present invention, wherein: the separation mechanism further comprises an observation plate and a water-vapor separator, wherein the observation plate is arranged on the surface of the water-vapor separator, and the surface of the observation plate is made of transparent glass.
As a preferable aspect of the safety device for a liquid ring-based water ring vacuum pump according to the present invention, wherein: the separation mechanism further comprises a support column, a support plate arranged at the bottom of the water-vapor separator and a support plate arranged at the bottom of the support column.
As a preferable aspect of the safety device for a liquid ring-based water ring vacuum pump according to the present invention, wherein: the number of the supporting columns is four, and the supporting columns are uniformly distributed at the bottom of the water-vapor separator.
As a preferable aspect of the safety device for a liquid ring-based water ring vacuum pump according to the present invention, wherein: the free type check valve is fixedly connected with the inlet pipeline of the water-vapor separator and one end of the free type check valve through flanges.
As a preferable aspect of the safety device for a liquid ring-based water ring vacuum pump according to the present invention, wherein: the electric stop valve is matched with the pneumatic quick-closing valve for use.
The utility model has the beneficial effects that: through setting up free formula check valve and first connecting pipe, thereby make and the communicating vapor separator of atmosphere can not lead to the air to flow backwards inside the vacuum pump because of the vacuum pump trouble, and then get into negative pressure system, cause the unit vacuum to descend, through setting up the valve slot, the spring mechanical type check valve that will lead to the jam easily demolishs, and the cooperation shutoff piece is with the valve slot shutoff, thereby reduce the leakage point that flange joint may cause, through setting up fourth connecting pipe and fifth connecting pipe, make vacuum pump cooperation vapor separator and external pipeline carry out the vacuum operation.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a structural view of a safety device for a liquid ring water ring vacuum pump.
Fig. 2 is a perspective view of a third connection pipe of the safety device for the liquid ring type water ring vacuum pump.
Fig. 3 is a front view of the electric shutoff valve based on the safety device for the liquid ring water ring vacuum pump.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1, a first embodiment of the present invention provides a safety device for a liquid ring-based water ring vacuum pump, which includes a separating mechanism 100, including a water-vapor separator 101, a free check valve 102 disposed at the top of the water-vapor separator 101, and a first connecting pipe 103 disposed at the top of the free check valve 102.
The connection mechanism 200 includes a second connection pipe 201, a third connection pipe 202 disposed at an end of the second connection pipe 201 away from the water-vapor separator 101, a valve slot 203 disposed on a surface of the third connection pipe 202, and a blocking block 204 disposed at a top of the valve slot 203.
The vacuum mechanism 300 comprises a vacuum pump 301, a fourth connection pipe 302 disposed at an input end of the vacuum pump 301, and a fifth connection pipe 303 disposed at an output end of the vacuum pump 301.
Specifically, the connection mechanism 200 further includes an electric shutoff valve 205, and a surface of the second connection pipe 201 at an end away from the water-vapor separator 101, and by providing the electric shutoff valve 205, the effect of cutting off, distributing and changing the flow direction of the medium in the second connection pipe 201 is achieved.
Preferably, the connection mechanism 200 further includes a pneumatic quick-closing valve 206 disposed on a surface of the third connection pipe 202 far from the second connection pipe 201, and the pneumatic quick-closing valve 206 is disposed to achieve an effect of opening and closing the third connection pipe 202.
Preferably, the surface area of the blocking block 204 is larger than that of the valve slot 203, and the surface area of the blocking block 204 is larger than that of the valve slot 203, so as to ensure that the blocking block 204 can block the valve slot 203.
Through setting up free formula check valve 102 and first connecting pipe 103, thereby make and the communicating vapor-water separator 101 of atmosphere can not lead to the air to flow backwards inside vacuum pump 301 because of vacuum pump 301 trouble, and then get into negative pressure system, cause the unit vacuum to descend, through setting up valve groove 203, will lead to the spring mechanical type check valve of jam to demolish easily, and cooperate shutoff piece 204 with valve groove 203 shutoff, thereby reduce the leak source that flange joint may cause, through setting up fourth connecting pipe 302 and fifth connecting pipe 303, make vacuum pump 301 cooperate vapor-water separator 101 and external pipeline to carry out vacuum operation.
Example 2
Referring to fig. 1-2, a second embodiment of the present invention is based on the above embodiment.
Specifically, the inner cavity of the blocking block 204 and the valve groove 203 are welded by argon arc welding, and the blocking block 204 and the valve groove 203 are welded by argon arc welding, so that the effect of reducing the leakage point of the third connecting pipe 202 is achieved.
Preferably, the separation mechanism 100 further comprises an observation plate 104 and a device disposed on the surface of the water-vapor separator 101, wherein the observation plate 104 is made of transparent glass material, and the operation condition of the inner cavity of the water-vapor separator 101 can be observed through the transparent material by disposing the observation plate 104.
Preferably, the separation mechanism 100 further includes a support column 105, a support plate 106 disposed at the bottom of the water-vapor separator 101, and a support plate 106 disposed at the bottom of the support column 105, wherein the support column 105 and the support plate 106 are disposed to support the water-vapor separator 101.
When the valve slot 203 is used, the valve slot is welded by the sealing block 204 through argon arc, so that leakage points which may be caused are reduced, and meanwhile, the reduction of the inlet flow and the output of the vacuum pump 301, the reduction of the running economy and the reduction of the reliability of a unit are avoided.
Example 3
Referring to FIGS. 1-3, a third embodiment of the present invention is based on the first two embodiments.
Specifically, the number of the support columns 105 is four, and the support columns are uniformly distributed at the bottom of the water-vapor separator 101, and the stability of the support columns 105 to the water-vapor separator 101 is increased by setting the number of the support columns 105 to be four.
Preferably, the free type check valve 102 is fixedly connected with an inlet pipeline of the water-steam separator 101 and one end of the free type check valve 102 through flanges, and the free type check valve 102 is connected with the water-steam separator 101 and the free type check valve 102 through flanges, so that maintenance personnel can conveniently maintain the free type check valve 102, and the valve plate of the free type check valve 102 is prevented from being jammed.
Preferably, the electric stop valve 205 is used in cooperation with the pneumatic quick-closing valve 206, and the electric stop valve 205 is used in cooperation with the pneumatic quick-closing valve 206, so that the influence of sudden changes in air volume on the water-vapor separator 101 caused by the sudden changes in air volume when the pneumatic quick-closing valve 206 is opened in the starting process of the vacuum pump 301 is reduced, and the stability of the water-vapor separator 101 and the vacuum pump 301 during operation is improved.
When in use, firstly, the spring mechanical type check valve on the surface of the third connecting pipe 202 is removed, the valve groove 203 is welded by the plugging block 204 through argon arc, in order to reduce the leakage point which is possibly caused, and simultaneously, the reduction of the flow rate and the output of the inlet of the vacuum pump 301 are avoided, the economic performance and the reliability of the unit operation are reduced, then, the free type check valve 102 is additionally arranged at the outlet of the water-steam separator 101 and is connected by a flange, the airflow outflow direction in the installation direction is the opening direction of the free type check valve 102, when the vacuum pump 301 is tripped, the free type check valve 102 at the outlet of the water-steam separator 101 is closed by the gravity of the valve plate to prevent the air from entering the vacuum pump 301, if the free type check valve 102 at the outlet of the water-steam separator 101 is blocked in operation, because the gas is compressed, the volume of the valve plate is about seven percent of the same temperature gas at the inlet of the vacuum pump 301, avoid causing the unit vacuum to descend, in order to reduce vacuum pump 301 start-up process, when pneumatic fast valve 206 opened, the tolerance sudden change that causes, before starting vacuum pump 301, closed the electric door of vacuum pump 301 entry earlier, after vacuum pump 301 starts, entry pneumatic fast valve 206 opened, opened electric stop valve 205 again, avoided the influence that the tolerance sudden change caused the device.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a safety device for vacuum pump based on liquid ring formula water ring which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the separation mechanism (100) comprises a water-steam separator (101), a free type check valve (102) arranged at the top of the water-steam separator (101), and a first connecting pipe (103) arranged at the top of the free type check valve (102);
the connecting mechanism (200) comprises a second connecting pipe (201), a third connecting pipe (202) arranged at one end, far away from the water-vapor separator (101), of the second connecting pipe (201), a valve groove (203) arranged on the surface of the third connecting pipe (202), and a blocking block (204) arranged at the top of the valve groove (203);
the vacuum mechanism (300) comprises a vacuum pump (301), a fourth connecting pipe (302) arranged at the input end of the vacuum pump (301), and a fifth connecting pipe (303) arranged at the output end of the vacuum pump (301).
2. The safety device for a liquid ring-based water ring vacuum pump as claimed in claim 1, wherein: the connecting mechanism (200) further comprises an electric stop valve (205) and a surface arranged at one end of the second connecting pipe (201) far away from the water-vapor separator (101).
3. The safety device for a liquid ring-based water ring vacuum pump as claimed in claim 2, wherein: the connecting mechanism (200) further comprises a pneumatic quick-closing valve (206) and is arranged on the surface of one end, far away from the second connecting pipe (201), of the third connecting pipe (202).
4. The safety device for a liquid ring-based water ring vacuum pump as claimed in claim 3, wherein: the surface area of the block (204) is greater than the surface area of the valve slot (203).
5. The safety device for a liquid ring-based water ring vacuum pump as claimed in claim 4, wherein: the periphery of the inner cavity of the blocking block (204) and the valve groove (203) is welded through argon arc.
6. The safety device for a liquid ring-based water ring vacuum pump as claimed in claim 1 or 5, wherein: the separation mechanism (100) further comprises an observation plate (104) and is arranged on the surface of the water-vapor separator (101), and the surface of the observation plate (104) is made of transparent glass.
7. The safety device for a liquid ring-based water ring vacuum pump as claimed in claim 6, wherein: the separation mechanism (100) further comprises a supporting column (105), a supporting plate (106) arranged at the bottom of the water-vapor separator (101), and the supporting plate (106) is arranged at the bottom of the supporting column (105).
8. The safety device for a liquid ring-based water ring vacuum pump as claimed in claim 7, wherein: the number of the supporting columns (105) is four, and the supporting columns are uniformly distributed at the bottom of the water-vapor separator (101).
9. The safety device for a liquid ring-based water ring vacuum pump as claimed in claim 1 or 8, wherein: the free type check valve (102) is fixedly connected with an inlet pipeline of the water-vapor separator (101) and one end of the free type check valve (102) through flanges.
10. The safety device for a liquid ring-based water ring vacuum pump as claimed in claim 3, wherein: the electric stop valve (205) is matched with the pneumatic quick-closing valve (206) for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122136042.6U CN216342796U (en) | 2021-09-06 | 2021-09-06 | Safety device for liquid ring-based water ring vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122136042.6U CN216342796U (en) | 2021-09-06 | 2021-09-06 | Safety device for liquid ring-based water ring vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216342796U true CN216342796U (en) | 2022-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122136042.6U Active CN216342796U (en) | 2021-09-06 | 2021-09-06 | Safety device for liquid ring-based water ring vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216342796U (en) |
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2021
- 2021-09-06 CN CN202122136042.6U patent/CN216342796U/en active Active
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