CN211778025U - High-temperature horizontal centrifugal pump system with multiple cooling pipelines - Google Patents
High-temperature horizontal centrifugal pump system with multiple cooling pipelines Download PDFInfo
- Publication number
- CN211778025U CN211778025U CN202020030583.3U CN202020030583U CN211778025U CN 211778025 U CN211778025 U CN 211778025U CN 202020030583 U CN202020030583 U CN 202020030583U CN 211778025 U CN211778025 U CN 211778025U
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- sealing cavity
- pump
- centrifugal pump
- horizontal centrifugal
- front sealing
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- Expired - Fee Related
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- 238000001816 cooling Methods 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 67
- 238000005086 pumping Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 42
- 239000007788 liquid Substances 0.000 claims description 12
- 239000000498 cooling water Substances 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000002826 coolant Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000004548 suspo-emulsion Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a high temperature centrifugal pump system with multiple cooling pipeline, including centrifugal pump, its characterized in that: the horizontal centrifugal pump is internally provided with a front sealing cavity and a rear sealing cavity, the front sealing cavity is communicated with an inner cavity pump head where the impeller is located through an overflowing gap, the overflowing gap is a gap formed between the pump cover and a pump shaft sleeve, and the part of the pump shaft located in the front sealing cavity is provided with a series sealing assembly and a pumping ring.
Description
Technical Field
The utility model relates to a water pump field, especially a horizontal centrifugal pump system of high temperature with multiple cooling tube way.
Background
Water pumps are machines that deliver or pressurize a liquid. It transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, mainly used to transport liquid including water, oil, acid-base solution, emulsion, suspoemulsion and liquid metal. Sometimes need utilize the water pump to pump some high temperature medium, because the structural restriction of traditional centrifugal pump, lead to must have certain high temperature medium to enter into the seal chamber from the impeller region through throat clearance, carry a large amount of heats to the pump body in pump head rear, let all work under the high temperature environment of pump body each part (including bearing assembly, seal assembly etc.), just so can seriously influence the reliability of each subassembly, influence its life, need frequent maintenance or change, increased the cost for the enterprise. Also because of this, there is a limit to the temperature of the pumped medium. There is therefore a need for a method or apparatus that addresses the above-mentioned problems.
Disclosure of Invention
The utility model relates to a solve the above-mentioned not enough that prior art exists, provide a simple structure, design benefit, rationally distributed can let each part of the pump body keep the horizontal centrifugal pump system of high temperature of low temperature state in order to guarantee its normal work.
The technical solution of the utility model is that: the utility model provides a high temperature horizontal centrifugal pump system with multiple cooling line, includes horizontal centrifugal pump 1, its characterized in that: a pump shaft 2 is rotatably supported in the horizontal centrifugal pump 1, one end of the pump shaft 2 is connected with the output end of a motor through a coupling, the other end of the pump shaft 2 is provided with an impeller 3, the impeller 3 is positioned in a pump head, the suction side of the impeller 3 is matched with a liquid inlet 4 on the pump head, the discharge side of the impeller 3 is matched with a liquid outlet 5 on the pump head, a front seal cavity 6 and a rear seal cavity 7 are arranged in the horizontal centrifugal pump 1, the front seal cavity 6 is communicated with the inner cavity of the pump head where the impeller 3 is positioned through an overflow gap 8, the overflow gap 8 is a gap formed between a pump cover 9 and a pump shaft sleeve 10, a serial seal assembly 11 and a pumping ring 12 are arranged at the part of the pump shaft 2 positioned in the front seal cavity 6, and a front seal cavity water outlet joint 13 and a front seal cavity water return joint 14 are arranged on the pump body of, wherein the position of the front sealing cavity water outlet joint 13 is matched with that of the pumping ring 12, the position of the front sealing cavity water return joint 14 is matched with that of the inlet of the front sealing cavity 6, the pump body of the horizontal centrifugal pump 1 is also provided with a rear sealing cavity water outlet joint 15 and a rear sealing cavity water return joint 16 which are both communicated with the rear sealing cavity 7,
the horizontal centrifugal pump system also comprises a cooling circulation system matched with the horizontal centrifugal pump 1, the cooling circulation system comprises a heat exchanger 17, a heat exchange coil is arranged in the heat exchanger 17, two ends of the heat exchange coil are respectively connected with a front sealing cavity water outlet joint 13 and a front sealing cavity water return joint 14 through pipelines, an inner cavity of the heat exchanger 17 is respectively connected with a rear sealing cavity water outlet joint 15 and a rear sealing cavity water return joint 16 through pipelines, meanwhile, the heat exchanger 17 is also connected with an external pressurized cooling water source through a pipeline,
the external pressurized cooling water source is also respectively connected with a water outlet joint 15 of the rear sealing cavity and a water return joint 16 of the rear sealing cavity through pipelines,
an exhaust pipeline 18 with a manual valve is arranged at the top of the heat exchanger 17, a bent part with a downward outlet direction is arranged at the top end of the exhaust pipeline 18, and a thermometer 19 is further arranged on the heat exchanger 17.
Compared with the prior art, the utility model, have following advantage:
the high-temperature horizontal centrifugal pump system with the multiple cooling pipelines in the structural form has the advantages of simple structure, ingenious design and reasonable layout, and is designed to be a special structure aiming at various problems existing in the use process of the traditional pump body for conveying high-temperature media; a set of cooling water circulation system is directly connected to a rear sealing cavity, a pipeline system is utilized to introduce a part of high-temperature medium pumped in a front sealing cavity into a heat exchange box, the high-temperature medium is cooled and then conveyed back to the front sealing cavity, and all components in a pump body are ensured to work in a proper temperature environment through the two cooling modes, so that the running reliability of the components is ensured; meanwhile, the medium with higher temperature can be pumped, and the application range of the high-temperature pump is enlarged. And the power of the cooling circulation of the high-temperature medium in the pump comes from a pumping ring directly sleeved on the pump shaft, no new pumping equipment is additionally arranged, and the transformation cost is lower. In conclusion, the system has multiple advantages, is particularly suitable for popularization and application in the field, and has a very wide market prospect.
Drawings
Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a horizontal centrifugal pump part in the embodiment of the present invention.
Detailed Description
The following description will explain embodiments of the present invention with reference to the drawings. As shown in fig. 1 and 2: the high-temperature horizontal centrifugal pump system with the multiple cooling pipelines comprises a horizontal centrifugal pump 1, wherein a pump shaft 2 is rotatably supported in the horizontal centrifugal pump 1, one end of the pump shaft 2 is connected with the output end of a motor through a coupler, an impeller 3 is arranged at the other end of the pump shaft 2, the impeller 3 is positioned in the pump head, the suction side of the impeller 3 is matched with a liquid inlet 4 on the pump head, the discharge side of the impeller 3 is matched with a liquid outlet 5 on the pump head, a front sealing cavity 6 and a rear sealing cavity 7 are arranged in the horizontal centrifugal pump 1, the front sealing cavity 6 is communicated with the inner cavity of the pump head where the impeller 3 is positioned through an overflowing gap 8, the overflowing gap 8 is a gap formed between a pump cover 9 and a pump shaft sleeve 10, a serial sealing assembly 11 and a pumping ring 12 are arranged on the part of the pump shaft 2, which is positioned in the front sealing cavity 6, a front sealing cavity water outlet joint 13 and a front sealing cavity water return joint 14 Wherein the position of the front sealing cavity water outlet joint 13 is matched with that of the pumping ring 12, the position of the front sealing cavity water return joint 14 is matched with that of the inlet of the front sealing cavity 6, the pump body of the horizontal centrifugal pump 1 is also provided with a rear sealing cavity water outlet joint 15 and a rear sealing cavity water return joint 16 which are both communicated with the rear sealing cavity 7,
the horizontal centrifugal pump system also comprises a cooling circulation system matched with the horizontal centrifugal pump 1, the cooling circulation system comprises a heat exchanger 17, a heat exchange coil is arranged in the heat exchanger 17, two ends of the heat exchange coil are respectively connected with a front sealing cavity water outlet joint 13 and a front sealing cavity water return joint 14 through pipelines, an inner cavity of the heat exchanger 17 is respectively connected with a rear sealing cavity water outlet joint 15 and a rear sealing cavity water return joint 16 through pipelines, meanwhile, the heat exchanger 17 is also connected with an external pressurized cooling water source through a pipeline,
the external pressurized cooling water source is also respectively connected with a water outlet joint 15 of the rear sealing cavity and a water return joint 16 of the rear sealing cavity through pipelines,
an exhaust pipeline 18 with a manual valve is arranged at the top of the heat exchanger 17, a bent part with a downward outlet direction is arranged at the top end of the exhaust pipeline 18, and a thermometer 19 is further arranged on the heat exchanger 17.
The utility model discloses horizontal centrifugal pump system's of high temperature working process with multiple cooling tube way as follows: starting a motor, driving an impeller 3 to rotate by the motor through a pump shaft 2, sucking a high-temperature medium into the impeller 3 from a liquid inlet 4, and discharging the high-temperature medium through a liquid outlet 5 after pressurization, thereby realizing the purpose of pumping the high-temperature medium;
in the process, a part of high-temperature medium flows backwards through the overflowing gap 8 and enters the front sealing cavity 6, the pumping ring 12 arranged in the front sealing cavity 6 is driven by the pump shaft 2 to rotate, certain pressure is generated in the rotating process, the high-temperature medium pump in the deep part of the front sealing cavity 6 can be pumped into a heat exchange coil in the heat exchanger 17 through a pipeline by the pressure, the cooling medium circularly flows in the heat exchanger 17, the cold cutting medium can absorb and take away heat in the pumped high-temperature medium, the pumped medium returns to the front sealing cavity 6 through the front sealing cavity water return joint 14 after being cooled, and the medium entering the front sealing cavity 6 through the overflowing gap 8 can be precooled because the front sealing cavity water return joint 14 is matched with the inlet position of the front sealing cavity 6;
and then the cooling medium in the sealing cavity 7 flows circularly all the time, so that the rear half part of the pump body is cooled, and the problem caused by overhigh temperature is prevented.
Claims (1)
1. A high-temperature horizontal centrifugal pump system with multiple cooling pipelines comprises a horizontal centrifugal pump (1) and is characterized in that: a pump shaft (2) is rotatably supported in the horizontal centrifugal pump (1), one end of the pump shaft (2) is connected with the output end of a motor through a coupling, an impeller (3) is arranged at the other end of the pump shaft (2), the impeller (3) is positioned in the pump head, the suction side of the impeller (3) is matched with a liquid inlet (4) on the pump head, the discharge side of the impeller (3) is matched with a liquid discharge port (5) on the pump head, a front sealing cavity (6) and a rear sealing cavity (7) are arranged in the horizontal centrifugal pump (1), the front sealing cavity (6) is communicated with the inner cavity of the pump head where the impeller (3) is positioned through an overflowing gap (8), the overflowing gap (8) is a gap formed between a pump cover (9) and a pump shaft sleeve (10), and the part of the pump shaft (2) positioned in the front sealing cavity (6) is provided with a series sealing assembly (11) and a pumping ring (12), a front sealing cavity water outlet joint (13) and a front sealing cavity water return joint (14) are arranged on the pump body of the horizontal centrifugal pump (1), wherein the position of the front sealing cavity water outlet joint (13) is matched with that of the pumping ring (12), the position of the front sealing cavity water return joint (14) is matched with that of the inlet of the front sealing cavity (6), a rear sealing cavity water outlet joint (15) and a rear sealing cavity water return joint (16) are also arranged on the pump body of the horizontal centrifugal pump (1), and both are communicated with the rear sealing cavity (7),
the horizontal centrifugal pump system also comprises a cooling circulation system matched with the horizontal centrifugal pump (1), the cooling circulation system comprises a heat exchanger (17), a heat exchange coil is arranged in the heat exchanger (17), two ends of the heat exchange coil are respectively connected with a front sealing cavity water outlet joint (13) and a front sealing cavity water return joint (14) through pipelines, an inner cavity of the heat exchanger (17) is respectively connected with a rear sealing cavity water outlet joint (15) and a rear sealing cavity water return joint (16) through pipelines, and meanwhile, the heat exchanger (17) is also connected with an external pressurized cooling water source through a pipeline,
the external pressurized cooling water source is also respectively connected with a water outlet joint (15) of the rear sealing cavity and a water return joint (16) of the rear sealing cavity through pipelines,
the top of the heat exchanger (17) is provided with an exhaust pipeline (18) with a manual valve, the top end of the exhaust pipeline (18) is a downward elbow part in the outlet direction, and meanwhile, the heat exchanger (17) is also provided with a thermometer (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020030583.3U CN211778025U (en) | 2020-01-08 | 2020-01-08 | High-temperature horizontal centrifugal pump system with multiple cooling pipelines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020030583.3U CN211778025U (en) | 2020-01-08 | 2020-01-08 | High-temperature horizontal centrifugal pump system with multiple cooling pipelines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211778025U true CN211778025U (en) | 2020-10-27 |
Family
ID=72889068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020030583.3U Expired - Fee Related CN211778025U (en) | 2020-01-08 | 2020-01-08 | High-temperature horizontal centrifugal pump system with multiple cooling pipelines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211778025U (en) |
-
2020
- 2020-01-08 CN CN202020030583.3U patent/CN211778025U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 116000 no.218, Zhuoyue street, sanjianbao street, Lushunkou District, Dalian City, Liaoning Province Patentee after: Dalian Shuanglong Pump Group Co.,Ltd. Address before: 116000 no.218, Zhuoyue street, sanjianbao street, Lushunkou District, Dalian City, Liaoning Province Patentee before: DALIAN SONGLONG PUMP MADING Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 |