CN218934862U - Steam jet vacuum pump assembly - Google Patents
Steam jet vacuum pump assembly Download PDFInfo
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- CN218934862U CN218934862U CN202223544023.8U CN202223544023U CN218934862U CN 218934862 U CN218934862 U CN 218934862U CN 202223544023 U CN202223544023 U CN 202223544023U CN 218934862 U CN218934862 U CN 218934862U
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Abstract
The utility model provides a steam jet vacuum pump assembly, which belongs to the technical field of vacuum pumps and comprises a jet pump body and an elbow connected to an air outlet of the jet pump body, wherein the other end of the elbow is suitable for being communicated with a spray condenser; the corner of the elbow is provided with an opening which is coaxially arranged with the jet pump body, and the steam jet pump assembly also comprises a closed structure and a guide pipe; the sealing structure is detachably arranged on the outer side wall of the bent pipe and is suitable for sealing the opening on the bent pipe; a water storage cavity suitable for containing condensed water is formed between the closed structure and the opening of the bent pipe; one end of the flow guide pipe is connected with the closed structure and is communicated with the water storage cavity; the flow guide pipe is provided with a valve. An opening is arranged at the corner of the bent pipe, and the opening is sealed through a sealing structure; therefore, the main impact position of the bent pipe is positioned on the closed structure, when the closed structure is damaged, the closed structure is only required to be replaced, the whole bent pipe is not required to be replaced, and the waste of parts is reduced.
Description
Technical Field
The utility model belongs to the technical field of vacuum pumps, and particularly relates to a steam jet vacuum pump assembly.
Background
The steam jet pump mainly comprises a nozzle, a receiving chamber, a mixing chamber, a diffusion chamber and the like; the working principle of the steam jet pump is as follows: the high-pressure steam generates high-speed airflow when passing through the nozzle, and a low-pressure area is generated at the outlet of the nozzle, and the low-pressure steam is sucked in the low-pressure area; the high-pressure steam is expanded and simultaneously compresses the low-pressure steam, then the low-pressure steam is well mixed through the mixing chamber, and the mixed steam is subjected to partial pressure recovery through the diffusion chamber, so that the steam pressure reaches the preset requirement. Steam jet pumps are used in many industrial plants; when the vapor jet pump is applied to a chemical plant, since the processing equipment in the chemical plant generally contains chemical materials, after the gas in the processing equipment is extracted by the vapor jet pump, the gas contains the chemical materials, and is mixed with the vapor in the vapor jet pump and discharged from the outlet of the vapor jet pump.
In the prior art, a steam jet pump is communicated with a spray condenser through a bent pipe, the bent pipe is of an L-shaped structure, high-temperature steam ejected by the steam jet pump is seriously scoured at the corner of the bent pipe, and condensed water is easily formed at the corner of the bent pipe by the steam, so that the condensed water and the high-temperature steam can damage the corner of the bent pipe. After the corner of the bent pipe is damaged, the whole bent pipe needs to be replaced, and the waste of parts is caused.
Disclosure of Invention
The embodiment of the utility model provides a steam jet vacuum pump assembly, which aims to solve the technical problems that in the prior art, after damage occurs at the corner position of an elbow, the whole assembly is required to be replaced, and further parts are wasted.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the steam jet vacuum pump assembly comprises a jet pump body and an elbow connected to the air outlet of the jet pump body, wherein the other end of the elbow is suitable for being communicated with a spray condenser; the corner of return bend have with the coaxial opening that sets up of injection pump body, steam injection pump assembly still includes:
the sealing structure is detachably arranged on the outer side wall of the bent pipe and is suitable for sealing an opening on the bent pipe; a water storage cavity suitable for containing condensed water is formed between the closed structure and the opening of the bent pipe; and
one end of the flow guide pipe is connected with the closed structure and is communicated with the water storage cavity; and a valve is arranged on the flow guide pipe.
In one possible implementation manner, a connecting ring is fixedly arranged on the peripheral wall of the bent pipe at the peripheral position of the opening, and the sealing structure comprises a sealing plate detachably connected with the connecting ring; the inner side of the sealing plate is provided with a groove, and the groove is matched with the opening to form a water storage cavity.
In a possible implementation manner, valves are arranged at two ends of the bent pipe, L-shaped limiting plates are arranged at two opposite sides of the peripheral wall of the connecting ring, a limiting groove is formed between the two L-shaped limiting plates, and the sealing plate is in sliding fit with the limiting groove;
when the sealing plate is damaged, the valves at the two ends of the bent pipe are closed; the sealing plate slides out of the limit groove, and the new sealing plate is in sliding fit with the limit groove to seal the bent pipe; and the valves at the two ends of the bent pipe are opened.
In one possible implementation, two sides of the sealing plate are respectively contacted with the connecting ring and the inner side of the L-shaped limiting plate to axially limit the sealing plate.
In one possible implementation, a stop is fixedly arranged on the outer side of the sealing plate, and the stop is suitable for contacting with the end part of the L-shaped limiting plate to limit the sliding position of the sealing plate.
In one possible implementation, the vapor jet pump assembly further includes a securing structure adapted to secure the connecting ring and the closure plate.
In one possible implementation, the fixing structure includes:
the U-shaped plate is in plug-in fit with the connecting ring and the sealing plate, and the U-shaped plate is provided with a threaded hole which is suitable for facing the connecting ring or the sealing plate; and
the abutting bolt is in threaded fit with the threaded hole of the U-shaped plate; one end of the abutting bolt is suitable for abutting against the connecting ring or the sealing plate.
In one possible implementation manner, the connecting ring is provided with a plurality of first connecting holes which are arranged at intervals, and the sealing plate is provided with second connecting holes which are in one-to-one correspondence with the first connecting holes; the fixing structure comprises a connecting bolt and a nut, wherein the threaded end of the connecting bolt is suitable for penetrating through the first connecting hole and the second connecting hole and is in threaded fit with the nut.
In one possible implementation, the draft tube is a light transmitting tube.
In the embodiment of the application, when the corner position of the bent pipe is damaged, the equipment is required to be maintained by stopping; the closed structure is detached from the opening position of the bent pipe, then a new closed structure is installed at the opening position of the bent pipe, the whole bent pipe can be prevented from being replaced, and the waste of parts is reduced. When the device is normally used, the condensed water can be stored in the water storage cavity between the closed structure and the opening, and is discharged through the guide pipe, so that the condensed water at the corner of the bent pipe can be reduced, and the condensed water can be conveniently collected.
Compared with the prior art, the steam jet vacuum pump assembly provided by the utility model has the advantages that the opening is arranged at the corner of the bent pipe, and the opening is sealed through the sealing structure; therefore, the main impact position of the bent pipe is positioned on the closed structure, when the closed structure is damaged, the closed structure is only required to be replaced, the whole bent pipe is not required to be replaced, and the waste of parts is reduced.
Drawings
FIG. 1 is a schematic diagram of a vapor jet vacuum pump assembly according to an embodiment of the present utility model;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is a schematic view of a bent pipe portion of a vapor jet vacuum pump assembly according to an embodiment of the present utility model;
FIG. 4 is an enlarged schematic view of portion B of FIG. 3;
fig. 5 is a schematic view of a seal plate portion of a vapor jet vacuum pump assembly according to an embodiment of the present utility model.
Reference numerals illustrate: 1. a jet pump body; 2. bending the pipe; 21. an opening; 22. a connecting ring; 221. a first connection hole; 3. a closed structure; 31. a water storage chamber; 32. a sealing plate; 321. a groove; 322. a stop block; 323. a second connection hole; 33. an L-shaped limiting plate; 331. a limit groove; 4. a flow guiding pipe; 5. a U-shaped plate; 6. abutting the bolt; 7. a connecting bolt; 8. and (3) a nut.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 5, a vapor jet vacuum pump assembly according to the present utility model will be described. The steam jet vacuum pump assembly comprises a jet pump body 1 and an elbow pipe 2 connected to the air outlet of the jet pump body 1, wherein the other end of the elbow pipe 2 is suitable for being communicated with a spray condenser (not shown in the figure); the corner of the elbow pipe 2 is provided with an opening 21 which is coaxially arranged with the jet pump body 1, and the steam jet pump assembly also comprises a closed structure 3 and a guide pipe 4; the closing structure 3 is detachably arranged on the outer side wall of the bent pipe 2, and the closing structure 3 is suitable for closing the opening 21 on the bent pipe 2; a water storage cavity 31 which is suitable for containing condensed water is formed between the closed structure 3 and the opening 21 of the bent pipe 2; one end of the flow guide pipe 4 is connected with the closed structure 3 and is communicated with the water storage cavity 31; the draft tube 4 is provided with a valve (not shown).
In the embodiment of the application, when the corner position of the bent pipe 2 is damaged, the equipment is required to be maintained by stopping; the closed structure 3 is detached from the opening 21 of the bent pipe 2, and then a new closed structure 3 is installed at the opening 21 of the bent pipe 2, so that the whole bent pipe 2 can be prevented from being replaced, and the waste of parts is reduced. During normal use, the water storage cavity 31 between the closed structure 3 and the opening 21 can store condensed water, and the condensed water is discharged through the flow guide pipe 4, so that the condensed water at the corner of the bent pipe 2 can be reduced, and the condensed water can be conveniently collected. The spray condenser is a prior art and will not be described in detail herein.
Compared with the prior art, the steam jet vacuum pump assembly provided by the utility model has the advantages that the opening 21 is arranged at the corner of the bent pipe 2, and the opening 21 is sealed through the sealing structure 3; therefore, the main impact position of the bent pipe 2 is positioned on the closed structure 3, and when the closed structure 3 is damaged, only the closed structure 3 needs to be replaced, the whole bent pipe 2 does not need to be replaced, and the waste of parts is reduced.
It should be noted that the steam jet pump in the application is applied to a chemical plant, so that chemical raw materials exist in mixed steam sprayed out from an air outlet of the steam jet pump and condensed water at the position of the bent pipe 2, the mixed steam can be introduced into a purifying device for purification, and the condensed water also needs to be introduced into the purifying device for purification; however, the above method can increase the total amount of the purifying materials of the purifying equipment, and can cause waste of resources. Therefore, the purification equipment is arranged between the processing equipment and the steam jet pump body 1, so that chemical raw materials entering the steam jet pump can be reduced or even avoided, the total amount of the purification materials can be reduced, and resources can be saved conveniently. In addition, the purifying equipment for purifying the chemical raw materials is in the prior art, and is not described herein.
Illustratively, the flow guide pipe 4 is a light-transmitting pipe, so that an operator can observe condensed water in the flow guide pipe 4 conveniently, and when more condensed water is in the flow guide pipe 4, a valve on the flow guide pipe 4 is opened, and then the condensed water in the flow guide pipe 4 is discharged. The other end of the flow guide pipe 4 is connected with a water storage tank (not shown in the figure), a water quality detector (not shown in the figure) is arranged in the water storage tank, and the water quality of condensed water in the water storage tank can be detected through the water quality detector; when the condensed water in the water storage tank does not contain chemical raw materials, the condensed water in the water storage tank can be recycled after the condensed water is subjected to cold and reverse osmosis treatment. It should be noted that, the water quality detector is in the prior art, and is not described herein.
In some embodiments, as shown in fig. 1 to 5, the outer peripheral wall of the elbow 2 is fixedly provided with a connecting ring 22 at the peripheral position of the opening 21, and the closed structure 3 comprises a sealing plate 32 detachably connected with the connecting ring 22; the inner side of the sealing plate 32 is provided with a groove 321, and the groove 321 is matched with the opening 21 to form the water storage cavity 31. Valves (not shown in the figure) are arranged at two ends of the bent pipe 2, L-shaped limiting plates 33 are arranged at two opposite sides of the peripheral wall of the connecting ring 22, a limiting groove 331 is formed between the two L-shaped limiting plates 33, and the sealing plate 32 is in sliding fit with the limiting groove 331; wherein, when the sealing plate 32 is damaged, the valves at the two ends of the bent pipe 2 are closed; the sealing plate 32 slides out of the limit groove 331, and the new sealing plate 32 is matched with the limit groove 331 in a sliding way to seal the bent pipe 2; the valves at the two ends of the bent pipe 2 are opened.
It should be noted that, when the sealing plate 32 is damaged, the valves at the two ends of the elbow pipe 2 are closed to seal the steam, then the sealing plate 32 slides out of the limit groove 331, and the prepared sealing plate 32 is inserted into the limit groove 331, so as to complete the replacement of the sealing plate 32; the valves at the two ends of the bent pipe 2 can be opened at the moment, the bent pipe 2 is not required to be disassembled in the replacement process, and meanwhile, the machine is not required to be stopped, so that the replacement efficiency is improved conveniently. In addition, a sealing ring (not shown) is provided at the connection portion between the sealing plate 32 and the connecting ring 22, so that the sealing performance between the sealing plate 32 and the connecting ring 22 can be improved.
In some embodiments, as shown in fig. 1-5, both sides of the sealing plate 32 contact the inner sides of the connecting ring 22 and the L-shaped limiting plate 33, respectively, to axially limit the sealing plate 32. The outside of the sealing plate 32 is fixedly provided with a stop 322, and the stop 322 is suitable for contacting with the end of the L-shaped limiting plate 33 to limit the sliding position of the sealing plate 32.
Since both sides of the sealing plate 32 are in contact with the inner sides of the connecting ring 22 and the L-shaped stopper 33, the sealing plate 32 can be restricted in the axial direction of the connecting ring 22, and further, the shaking of the sealing plate 32 in the axial direction can be reduced, and the sealing performance can be improved. The stop block 322 on the sealing plate 32 contacts with the end part of the L-shaped limiting plate 33, so that the sliding position of the sealing plate 32 can be limited, and the situation that the sealing plate 32 cannot slide in place or slides beyond a preset position is reduced.
In some embodiments, as shown in fig. 1-5, the steam jet pump assembly further includes a securing structure adapted to secure the attachment ring 22 and the closure plate 32. The fixing structure comprises a U-shaped plate 5 and a propping bolt 6; the U-shaped plate 5 is in plug-in fit with the connecting ring 22 and the sealing plate 32, and the U-shaped plate 5 is provided with a threaded hole which is suitable for facing the connecting ring 22 or the sealing plate 32; the abutting bolt 6 is in threaded fit with the threaded hole of the U-shaped plate 5; one end of the abutting bolt 6 is suitable for abutting the connecting ring 22 or the sealing plate 32 to abut the bolt 6 and is in threaded fit with the threaded hole of the U-shaped plate 5; one end of the abutment bolt 6 is adapted to abut against the attachment ring 22 or the closure plate 32.
When the sealing plate 32 slides in place on the limiting groove 331, the U-shaped plate 5 is inserted into the sealing plate 32 and the connecting ring 22 from the outer peripheral walls of the sealing plate 32 and the connecting ring 22, and the sealing plate 32 or the connecting ring 22 is abutted by rotating the abutting bolt 6, so that the connection between the sealing plate 32 and the connecting ring 22 can be reinforced; the stability of the closure plate 32 is improved during use of the steam jet pump.
In some embodiments, as shown in fig. 1 to 5, the connection ring 22 has a plurality of first connection holes 221 arranged at intervals, and the sealing plate 32 has second connection holes 323 corresponding to the first connection holes 221 one by one; the fixing structure includes a coupling bolt 7 and a nut 8, and a threaded end of the coupling bolt 7 is adapted to pass through the first coupling hole 221 and the second coupling hole 323 and to be screw-engaged with the nut 8.
When the sealing plate 32 slides in place on the limiting groove 331, the first connecting hole 221 on the connecting ring 22 and the second connecting hole 323 on the sealing plate 32 are aligned, and at this time, the threaded end of the connecting bolt 7 passes through the first connecting hole 221 and the second connecting hole 323 and is in threaded fit with the nut 8, so that the sealing plate 32 can be fixed on the connecting ring 22; the connection between the closure plate 32 and the attachment ring 22 can be reinforced. The sealing plate 32 is connected with the connecting ring 22 through the connecting bolts 7 and the nuts 8, and the sealing plate 32 is convenient to detach.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (9)
1. The steam jet vacuum pump assembly comprises a jet pump body and an elbow connected to the air outlet of the jet pump body, wherein the other end of the elbow is suitable for being communicated with a spray condenser; the steam jet pump assembly is characterized in that an opening coaxially arranged with the jet pump body is formed in the corner of the bent pipe, and the steam jet pump assembly further comprises:
the sealing structure is detachably arranged on the outer side wall of the bent pipe and is suitable for sealing an opening on the bent pipe; a water storage cavity suitable for containing condensed water is formed between the closed structure and the opening of the bent pipe; and
one end of the flow guide pipe is connected with the closed structure and is communicated with the water storage cavity; and a valve is arranged on the flow guide pipe.
2. The vapor jet vacuum pump assembly of claim 1, wherein a connecting ring is fixedly arranged on the peripheral wall of the bent pipe at the peripheral position of the opening, and the sealing structure comprises a sealing plate detachably connected with the connecting ring; the inner side of the sealing plate is provided with a groove, and the groove is matched with the opening to form a water storage cavity.
3. The steam jet vacuum pump assembly as claimed in claim 2, wherein valves are arranged at both ends of the bent pipe, two opposite sides of the peripheral wall of the connecting ring are provided with L-shaped limiting plates, a limiting groove is formed between the two L-shaped limiting plates, and the sealing plate is in sliding fit with the limiting groove;
when the sealing plate is damaged, the valves at the two ends of the bent pipe are closed; the sealing plate slides out of the limit groove, and the new sealing plate is in sliding fit with the limit groove to seal the bent pipe; and the valves at the two ends of the bent pipe are opened.
4. A vapor jet vacuum pump assembly as set forth in claim 3 wherein said sealing plate is axially restrained by contact between each of said two sides of said sealing plate with the inner sides of said connecting ring and said L-shaped retainer plate.
5. A vapor jet vacuum pump assembly as set forth in claim 4 wherein said closure plate is fixedly provided with a stop on the outside thereof, said stop being adapted to contact the end of said L-shaped retainer plate to limit the sliding position of said closure plate.
6. A vapor jet vacuum pump assembly as set forth in claim 2 or 3 further comprising a securing structure adapted to secure said connecting ring and said closure plate.
7. The vapor jet vacuum pump assembly of claim 6, wherein said securing structure comprises:
the U-shaped plate is in plug-in fit with the connecting ring and the sealing plate, and the U-shaped plate is provided with a threaded hole which is suitable for facing the connecting ring or the sealing plate; and
the abutting bolt is in threaded fit with the threaded hole of the U-shaped plate; one end of the abutting bolt is suitable for abutting against the connecting ring or the sealing plate.
8. The vapor jet vacuum pump assembly of claim 6, wherein said connecting ring has a plurality of spaced apart first connecting holes and said sealing plate has second connecting holes in one-to-one correspondence with said first connecting holes; the fixing structure comprises a connecting bolt and a nut, wherein the threaded end of the connecting bolt is suitable for penetrating through the first connecting hole and the second connecting hole and is in threaded fit with the nut.
9. A vapor jet vacuum pump assembly as set forth in claim 1 wherein said draft tube is a light transmitting tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223544023.8U CN218934862U (en) | 2022-12-29 | 2022-12-29 | Steam jet vacuum pump assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223544023.8U CN218934862U (en) | 2022-12-29 | 2022-12-29 | Steam jet vacuum pump assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218934862U true CN218934862U (en) | 2023-04-28 |
Family
ID=86067005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223544023.8U Active CN218934862U (en) | 2022-12-29 | 2022-12-29 | Steam jet vacuum pump assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218934862U (en) |
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2022
- 2022-12-29 CN CN202223544023.8U patent/CN218934862U/en active Active
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