CN210141201U - Combined type sealing high-temperature heat conduction oil pump for chemical industry - Google Patents
Combined type sealing high-temperature heat conduction oil pump for chemical industry Download PDFInfo
- Publication number
- CN210141201U CN210141201U CN201921143824.9U CN201921143824U CN210141201U CN 210141201 U CN210141201 U CN 210141201U CN 201921143824 U CN201921143824 U CN 201921143824U CN 210141201 U CN210141201 U CN 210141201U
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- Prior art keywords
- oil
- pump body
- pressure
- oil cooling
- heat conduction
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- Expired - Fee Related
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- 239000000126 substance Substances 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 title claims description 11
- 238000001816 cooling Methods 0.000 claims abstract description 44
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 238000005192 partition Methods 0.000 claims description 7
- 238000012856 packing Methods 0.000 claims description 5
- 238000003889 chemical engineering Methods 0.000 claims description 2
- 230000008595 infiltration Effects 0.000 abstract description 2
- 238000001764 infiltration Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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Abstract
The utility model discloses a chemical industry is with sealed high temperature heat conduction oil pump of combination formula, including the end cover and the pump body, the end cover passes through bolt and pump body fixed connection, the middle part of the pump body alternates there is the transmission shaft, the one end of transmission shaft extend to the inside of end cover and with impeller fixed connection, the one end department that the end cover was kept away from to the pump body is connected with the oil cooling chamber, the one end department that the pump body was kept away from to the oil cooling chamber is connected with the high pressure balance chamber. The utility model discloses in, connect gradually oil cooling chamber and high-pressure balance chamber through the one end of keeping away from the end cover at the pump body, through high-pressure air feeder to the inside air feed of high-pressure balance intracavity, thereby increase the inside atmospheric pressure of cavity and open the second check valve, high-pressure gas gets into the inside atmospheric pressure of oil cooling chamber increase oil cooling chamber through the second check valve of opening, the pressure valve of installation is adjusted meticulously to the pressure of oil cooling intracavity portion on the first check valve of installing on advancing oil pipe and going out oil pipe, reduce the pressure differential of pump body both sides, thereby prevent the hot oil infiltration of high temperature.
Description
Technical Field
The utility model relates to a conduction oil pump field specifically is a chemical industry is with sealed high temperature heat conduction oil pump of combination formula.
Background
The heat conducting oil pump is commonly used in the chemical industry field and is an ideal hot oil circulating pump or heat carrier. The existing heat conduction oil pump usually has the problem of poor reliability, and as the adopted packing seal and mechanical seal have short service life in a heat conduction oil system, once leakage is caused by failure of timely replacement, great potential safety hazard can be generated, so that the heat conduction oil pump cannot be widely used.
Therefore, a combined type sealing high-temperature heat conduction oil pump for chemical engineering is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high temperature heat conduction oil pump is sealed with combination formula to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a chemical industry is with sealed high temperature heat conduction oil pump of combination formula, includes the end cover and the pump body, the end cover passes through bolt and pump body fixed connection, the middle part interlude of the pump body has the transmission shaft, the one end of transmission shaft extend to the inside of end cover and with impeller fixed connection, the one end department that the end cover was kept away from to the pump body is connected with the oil cooling chamber, the one end department that the pump body was kept away from in the oil cooling chamber is connected with the high pressure balance chamber, the other end of transmission shaft passes oil cooling chamber and high pressure balance chamber in proper order and extends to the outside in high.
Preferably, the joints of the transmission shaft and the pump body, the oil cooling cavity and the high-pressure balance cavity are all sleeved with bearing sleeves, and the joints of the transmission shaft and the pump body on one side close to the end cover are provided with filler seals.
Preferably, the bottom surface of the oil cooling cavity is connected with an oil inlet pipe, and a first one-way valve is installed on the oil inlet pipe.
Preferably, the top surface of the oil cooling cavity is connected with an oil outlet pipe, and the oil outlet pipe is provided with a pressure valve.
Preferably, the bottom surface of the high-pressure balance cavity is connected with an air inlet pipe, and the air inlet end of the air inlet pipe is connected with a high-pressure air supply device.
Preferably, a partition plate is arranged between the oil cooling cavity and the high-pressure balance cavity, and a second one-way valve is mounted on the partition plate.
Preferably, the pressure valve is an electromagnetic valve, and a signal input end of the pressure valve is electrically connected with a signal output end of the control system.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses in, connect gradually oil cooling chamber and high-pressure balance chamber through the one end of keeping away from the end cover at the pump body, through high-pressure air feeder to the inside air feed of high-pressure balance intracavity, thereby increase the inside atmospheric pressure of cavity and open the second check valve, high-pressure gas gets into the inside atmospheric pressure of oil cooling chamber increase oil cooling chamber through the second check valve of opening, the pressure valve of installation is adjusted meticulously to the pressure of oil cooling intracavity portion on the first check valve of installing on advancing oil pipe and going out oil pipe, reduce the pressure differential of pump body both sides, thereby prevent the hot oil infiltration of high temperature.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. an end cap; 2. a pump body; 3. a drive shaft; 4. an impeller; 5. an oil-cooled cavity; 6. a high pressure balance chamber; 7. a bearing housing; 8. packing and sealing; 9. an oil inlet pipe; 10. a first check valve; 11. an oil outlet pipe; 12. a pressure valve; 13. an air inlet pipe; 14. a partition plate; 15. a second one-way valve.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides an embodiment: the utility model provides a chemical industry is with sealed high temperature heat conduction oil pump of combination formula, including end cover 1 and the pump body 2, end cover 1 passes through bolt and 2 fixed connection of the pump body, the middle part interlude of the pump body 2 has transmission shaft 3, the one end of transmission shaft 3 extend to end cover 1 inside and with impeller 4 fixed connection, the one end department that end cover 1 was kept away from to the pump body 2 is connected with oil cooling chamber 5, the one end department that pump body 2 was kept away from to oil cooling chamber 5 is connected with high-pressure balance chamber 6, the other end of transmission shaft 3 passes oil cooling chamber 5 and high-pressure balance chamber 6 in proper order and extends to the outside in high-pressure balance chamber 6, cool off transmission shaft 3 and pump body 2 through oil cooling chamber 5, block the heat on the high temperature oil body to pump body 2 and transmission shaft 3 go up.
The junction of transmission shaft 3 and pump body 2, oil cooling chamber 5 and high-pressure balance chamber 6 all overlaps and is equipped with bearing housing 7, and transmission shaft 3 and the junction of pump body 2 near end cover 1 one side have arranged packing seal 8, carry out preliminary sealing through packing seal 8, reduce the leakage of high temperature hot oil.
The bottom surface of the oil cooling cavity 5 is connected with an oil inlet pipe 9, the oil inlet pipe 9 is provided with a first check valve 10, the top surface of the oil cooling cavity 5 is connected with an oil outlet pipe 11, the oil outlet pipe 11 is provided with a pressure valve 12, the bottom surface of the high-pressure balance cavity 6 is connected with an air inlet pipe 13, the air inlet end of the air inlet pipe 13 is connected with a high-pressure air supply device, a partition plate 14 is arranged between the oil cooling cavity 5 and the high-pressure balance cavity 6, the partition plate 14 is provided with a second check valve 15, air is supplied to the inside of the high-pressure balance cavity 6 through the high-pressure air supply device, so that the air inside the high-pressure balance cavity 6 enters the oil cooling cavity 5 through the second check valve 15, the oil in the oil cooling cavity 5 enters the cavity through the oil inlet pipe 9, the first check valve 10 arranged on a pipeline can prevent the cooling oil from flowing backwards, the pressure inside the oil cooling cavity, thereby preventing the leakage of high-temperature hot oil, discharging the cooling oil through the oil outlet pipe 11 after heat exchange, adjusting the pressure inside the oil cooling chamber 5 through the pressure valve 12, and adjusting the pressure difference between the two sides of the pump body 2.
The pressure valve 12 is a solenoid valve, and the signal input end of the pressure valve 12 is electrically connected with the signal output end of the control system, and the size of the pressure valve 12 is adjusted according to the pressure of the oil supply pipeline of the heat conduction oil pump, so that the regulation and control of the pressure difference are realized.
The working principle is as follows: the impeller 4 rotates to pump high-temperature hot oil, as the pressure of the inner cavity of the end cover 1 is increased in the pumping process, partial oil leaks from the joint of the bearing sleeve 7 and the pump body 2 and the transmission shaft 3, at the moment, the high-pressure air supply device supplies air to the inner part of the high-pressure balance cavity 6, the pressure of the inner part of the high-pressure balance cavity 6 is increased, the second one-way valve 15 is opened, high-pressure air enters the oil cooling cavity 5 through the opened second one-way valve 15, oil in the oil cooling cavity 5 enters the inner part of the cavity through the oil inlet pipe 9, the first one-way valve 10 arranged on a pipeline can prevent cooling oil from flowing backwards, the pressure of the inner part of the oil cooling cavity 5 is increased after the high-pressure air enters the oil cooling cavity 5, the pressure difference at two sides of the pump body 2 is reduced, the leakage of the high-temperature hot oil is prevented, the cooling oil is discharged, the pressure difference between the two sides of the pump body 2 is adjusted.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a chemical industry is with sealed high temperature heat conduction oil pump of combination formula, includes end cover (1) and the pump body (2), end cover (1) is through bolt and pump body (2) fixed connection, the middle part interlude of the pump body (2) has transmission shaft (3), the one end of transmission shaft (3) extend to the inside of end cover (1) and with impeller (4) fixed connection, its characterized in that, the one end department that end cover (1) was kept away from in the pump body (2) is connected with oil cooling chamber (5), the one end department that pump body (2) were kept away from in oil cooling chamber (5) is connected with high-pressure balance chamber (6), the other end of transmission shaft (3) passes oil cooling chamber (5) and high-pressure balance chamber (6) in proper order and extends to the outside in high-pressure balance chamber (6).
2. The combined type sealing high-temperature heat conduction oil pump for the chemical industry as claimed in claim 1, wherein bearing sleeves (7) are sleeved at the joints of the transmission shaft (3) and the pump body (2), the oil cooling cavity (5) and the high-pressure balance cavity (6), and a packing seal (8) is arranged at the joint of the transmission shaft (3) and the pump body (2) close to one side of the end cover (1).
3. The combined type sealing high-temperature heat conduction oil pump for the chemical industry as claimed in claim 1, wherein the bottom surface of the oil cooling cavity (5) is connected with an oil inlet pipe (9), and a first check valve (10) is installed on the oil inlet pipe (9).
4. The combined type sealing high-temperature heat conduction oil pump for the chemical industry according to claim 3, characterized in that an oil outlet pipe (11) is connected to the top surface of the oil cooling cavity (5), and a pressure valve (12) is installed on the oil outlet pipe (11).
5. The combined type sealing high-temperature heat conduction oil pump for the chemical industry as claimed in claim 4, wherein the bottom surface of the high-pressure balance cavity (6) is connected with an air inlet pipe (13), and the air inlet end of the air inlet pipe (13) is connected with a high-pressure air supply device.
6. The combined type sealing high-temperature heat conduction oil pump for the chemical industry as claimed in claim 5, wherein a partition plate (14) is arranged between the oil cooling cavity (5) and the high-pressure balance cavity (6), and a second one-way valve (15) is installed on the partition plate (14).
7. The combined type sealing high-temperature heat conduction oil pump for chemical engineering as claimed in claim 4, characterized in that the pressure valve (12) is an electromagnetic valve, and a signal input end of the pressure valve (12) is electrically connected with a signal output end of a control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921143824.9U CN210141201U (en) | 2019-07-21 | 2019-07-21 | Combined type sealing high-temperature heat conduction oil pump for chemical industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921143824.9U CN210141201U (en) | 2019-07-21 | 2019-07-21 | Combined type sealing high-temperature heat conduction oil pump for chemical industry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210141201U true CN210141201U (en) | 2020-03-13 |
Family
ID=69736813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921143824.9U Expired - Fee Related CN210141201U (en) | 2019-07-21 | 2019-07-21 | Combined type sealing high-temperature heat conduction oil pump for chemical industry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210141201U (en) |
-
2019
- 2019-07-21 CN CN201921143824.9U patent/CN210141201U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200313 |