CN108953161A - A kind of mechanical seal self-cooling structure of heat-exchanger pump - Google Patents
A kind of mechanical seal self-cooling structure of heat-exchanger pump Download PDFInfo
- Publication number
- CN108953161A CN108953161A CN201810790981.2A CN201810790981A CN108953161A CN 108953161 A CN108953161 A CN 108953161A CN 201810790981 A CN201810790981 A CN 201810790981A CN 108953161 A CN108953161 A CN 108953161A
- Authority
- CN
- China
- Prior art keywords
- cooler
- mechanical seal
- cooling
- heat
- exchanger pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 80
- 239000000498 cooling water Substances 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000000110 cooling liquid Substances 0.000 claims abstract description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 34
- 238000005192 partition Methods 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 25
- 210000004907 gland Anatomy 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 8
- 230000008676 import Effects 0.000 claims description 7
- 230000001050 lubricating effect Effects 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 238000005520 cutting process Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/06—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being hot or corrosive, e.g. liquid metals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/106—Shaft sealings especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2222—Construction and assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
- F04D29/5886—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling by injection
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of mechanical seal self-cooling structures of heat-exchanger pump, its structure includes heat-exchanger pump, the mechanical seal cooling chamber being installed on heat-exchanger pump, with the external cooler with outside heat-exchanger pump, wherein mechanical seal cooling chamber is set on the outside of the middle part pipeline of heat-exchanger pump, the heat-exchanger pump exit side wall of heat-exchanger pump is equipped with pumped (conveying) medium outlet, pumped (conveying) medium outlet connects the cooler inlet on cooler by high-temperature conduit, and the cooler outlet on cooler is connect by cooling water pipe with the mechanical seal cooling liquid inlet on the outside of mechanical seal cooling chamber.Advantage: 1) cooling after cooling to mechanical seal for pump carried out using the high-temperature medium of itself conveying, lubricated, do not needed external cooling water, prevent the case where causing mechanical seal for pump to burn of cutting off the water supply；2) it solves the problems, such as that live no-cooling-water cannot use heat-exchanger pump, facilitates user, energy saving, without any pollution, and structure is reliable, simple.
Description
Technical field
The present invention relates to the technical fields of pump, and in particular to arrives heat-exchanger pump mechanical seal structure, especially a kind of heat-exchanger pump
Mechanical seal self-cooling structure.
Background technique
Conveying thermal medium heat-exchanger pump be widely used in metallurgy, electric power, light textile, petroleum, chemical industry, chemical fertilizer, pharmacy, papermaking,
Environmental protection, is adopted in the industries such as dim, UTILIZATION OF VESIDUAL HEAT IN rubber, and what it is due to heat-exchanger pump conveying is high-temperature medium, and medium temperature is typically in
120 ~ 150 DEG C, high-temperature medium transfers heat to pumping system in pumping procedure, can cause to pump bulk temperature raising, also just lead
The change for causing to pump each component working environment, affects to the safe operation of pump, especially to the axle envelope of pump and bearing
Reliability service is affected.
The axle envelope of pump generallys use mechanical seal, and the operating temperature of conventional mechanical sealing is generally required less than 110 DEG C, because
This, for conveying the heat-exchanger pump of high-temperature medium, in order to guarantee the reliability of pump, it is necessary to the mechanical seal of pump is cooled down,
Generalling use the pressure type of cooling, i.e., external cooling water is rinsed mechanical seal for pump, reach cooling, lubrication purpose, from
And guarantee mechanical seal working environment.However, the above-mentioned pressure type of cooling needs a large amount of cooling waters, tap water, work are generally used
Cooling supply water cannot stop when making, and otherwise can burn mechanical seal, to need to consume great lot of water resources, energy consumption be caused to increase；
On the other hand, matched cooling water pipeline system can not be often set in actual use, cooling water can not be equipped with to heat-exchanger pump,
Very big inconvenience is brought to user.For this reason, it may be necessary to the further technological improvement of the mechanical seal type of cooling and upgrading to heat-exchanger pump, with
Reach the needs for meeting engineering and user.
Summary of the invention
The purpose of the present invention is overcome heat-exchanger pump using external cooling water pressure type of cooling bring cannot cut off the water and
The deficiency of waste of energy etc., and solve the problems, such as that live no-cooling-water cannot use heat-exchanger pump, propose a kind of efficiently section
The mechanical seal self-cooling structure of the heat-exchanger pump of energy, the pressure type of cooling of existing heat-exchanger pump is improved to adopt from the type of cooling
Mechanical seal for pump is cooled down and lubricated with medium after cooling is conveyed, not needing external cooling water can normal use heat
Water pump.
Technical solution of the invention: a kind of mechanical seal self-cooling structure of heat-exchanger pump, structure includes heat-exchanger pump,
The mechanical seal cooling chamber 19 being installed on heat-exchanger pump and the external cooler with outside heat-exchanger pump, wherein mechanical seal is cooling
Room 19 is set on the outside of the middle part pipeline of heat-exchanger pump, and 1 side wall of hot water pump discharge of heat-exchanger pump is equipped with pumped (conveying) medium outlet 2, defeated
Medium outlet 2 is sent to connect the cooler inlet 7 on cooler by high-temperature conduit 3, the cooler outlet 11 on cooler is logical
Supercooling water pipe 13 is connect with the mechanical seal cooling liquid inlet 18 in 19 outside of mechanical seal cooling chamber.
The cooler includes nut 5, bolt 6, cooler inlet 7, cooler gland 8, labyrinth channel A partition 9, fan
Palace channel 10, cooler outlet 11, gasket 12, cooler pedestal 14, cooler cooling fin 15, labyrinth channel B partition 16；Its
The upper surface of middle cooler gland 8 is symmetrically arranged with the cooler inlet 7 and cooler outlet 11 of perforation, and lower surface is equidistantly simultaneously
Column are equipped with several labyrinth channel A partitions 9；Whole cooler pedestal 14 is in cube structure, and inside is equipped with square cavity, cooler
The upper base surface of pedestal 14 is equidistantly equipped with several labyrinth channel B partitions 16 side by side；Labyrinth channel A partition 9 and labyrinth are logical
The width of road B partition 16 is equal to the width of 14 internal cavities of cooler pedestal, is highly slightly less than 14 internal cavities of cooler pedestal
Height；The lower surface of cooler gland 8, labyrinth channel A partition 9, labyrinth channel B partition 16 and cooler pedestal 14 bottom
Upper surface collectively constitutes labyrinth channel 10；Cooler gland 8 is mutually locked by several pairs of nuts 5 with bolt 6 with cooler pedestal 14
It fastens, contact surface is equipped with gasket 12, and each surface in the outside of cooler pedestal 14 is equipped with cooler cooling fin 15；It is described
High-temperature conduit 3 be equipped with valve 4；The mechanical seal cooling chamber 19 include mechanical seal 17, mechanical seal coolant liquid into
Mouth 18, throttling passage 20, impeller return port 21, impeller 22；Wherein mechanical seal 17 is set in the middle part of heat-exchanger pump at bearing case, machine
Tool seals cooling liquid inlet 18 and is set on the side wall of mechanical seal cooling chamber 19, and mechanical seal cooling chamber 19 passes through throttling passage
20, impeller return port 21 is connected with the import of impeller 22.
Advantages of the present invention:
1) cooling carried out to mechanical seal for pump after cooling using the high-temperature medium of itself conveying, lubricated, do not needed external cold
But water prevents the case where causing mechanical seal for pump to burn of cutting off the water supply；
2) it solves the problems, such as that live no-cooling-water cannot use heat-exchanger pump, facilitates user, it is energy saving, without any pollution, and tie
Structure is reliable, simple.
Detailed description of the invention
Attached drawing 1 is longitudinal section structural drawing of the invention.
Attached drawing 2 is M-M cross-sectional view of Fig. 1.
1 it is hot water pump discharge in figure, 2 be pumped (conveying) medium outlet, 3 be high-temperature conduit, 4 be valve, 5 be nut, 6 is spiral shell
Bolt, 7 be cooler inlet, 8 be cooler gland, 9 be labyrinth channel A partition, 10 be labyrinth channel, 11 be cooler outlet,
12 it is gasket, 13 be cooling water pipe, 14 be cooler pedestal, 15 be cooler cooling fin, 16 is labyrinth channel B partition, 17
Be mechanical seal, 18 be mechanical seal cooling liquid inlet, 19 be mechanical seal cooling chamber, 20 be throttling passage, 21 be impeller return
Discharge orifice, 22 are impellers.
Specific embodiment
As shown in Figure 1, a kind of mechanical seal self-cooling structure of heat-exchanger pump, structure include heat-exchanger pump, it is installed on hot water
Mechanical seal cooling chamber 19 and the external cooler with outside heat-exchanger pump on pump, wherein mechanical seal cooling chamber 19 is set to heat
On the outside of the middle part pipeline of water pump, 1 side wall of hot water pump discharge of heat-exchanger pump is equipped with pumped (conveying) medium outlet 2, and pumped (conveying) medium is drawn
Mouth 2 connects the cooler inlet 7 on cooler by high-temperature conduit 3, and the cooler outlet 11 on cooler passes through cooling water pipe
13 connect with the mechanical seal cooling liquid inlet 18 in 19 outside of mechanical seal cooling chamber.
As shown in Figure 1 and Figure 2, the cooler includes nut 5, bolt 6, cooler inlet 7, cooler gland 8, fan
Palace channel A partition 9, labyrinth channel 10, cooler outlet 11, gasket 12, cooler pedestal 14, cooler cooling fin 15, fan
Palace channel B partition 16；Wherein the upper surface of cooler gland 8 is symmetrically arranged with the cooler inlet 7 and cooler outlet 11 of perforation,
Lower surface is equidistantly equipped with several labyrinth channel A partitions 9 side by side；Whole cooler pedestal 14 is in cube structure, and inside is set
There is square cavity, the upper base surface of cooler pedestal 14 is equidistantly equipped with several labyrinth channel B partitions 16 side by side；Labyrinth is logical
The width of road A partition 9 and labyrinth channel B partition 16 is equal to the width of 14 internal cavities of cooler pedestal, is highly slightly less than cooling
The height of 14 internal cavities of device pedestal；The lower surface of cooler gland 8, labyrinth channel A partition 9, labyrinth channel B partition 16 and cold
But the upper base surface of device pedestal 14 collectively constitutes labyrinth channel 10；It is several right that cooler gland 8 and cooler pedestal 14 pass through
Nut 5 is mutually locked with bolt 6, and contact surface is equipped with gasket 12, and each surface in the outside of cooler pedestal 14 is equipped with cold
But device cooling fin 15.
The high-temperature conduit 3 is equipped with valve 4, can adjust the stream that liquid medium enters labyrinth channel 10 as needed
Amount.
The mechanical seal cooling chamber 19 include mechanical seal 17, mechanical seal cooling liquid inlet 18, throttling passage 20,
Impeller return port 21, impeller 22；Wherein mechanical seal 17 is set in the middle part of heat-exchanger pump at bearing case, mechanical seal cooling liquid inlet
18 be set to mechanical seal cooling chamber 19 side wall on, mechanical seal cooling chamber 19 by throttling passage 20, impeller return port 21 with
The import of impeller 22 is connected, and forms the self cooling but system of complete hot water pump mechanical sealing.
Its working method, includes the following steps:
1) impeller 22 rotated pumps high-temp liquid medium, and the liquid medium work done to conveying, obtains energy from impeller 22
And the liquid medium to heat up, i.e. high-temp liquid medium flow to heat-exchanger pump outlet 1 from the outlet of impeller 22, high-temp liquid medium has
Higher pressure energy and kinetic energy, under the action of the pressure energy, high-temp liquid medium is flowed out from pumped (conveying) medium outlet 2, passes through high temperature
Water pipe 3, valve 4 flow into cooler inlet 7, into labyrinth channel 10, are adjusted as needed by valve 4 and enter labyrinth channel 10
Flow；
2) labyrinth channel 10 is designed as meander-shaped, high-temp liquid medium glide path in labyrinth channel 10 is longer, flowing compared with
Slowly, be conducive to transmit heat outward, labyrinth channel 10, which transfers heat to rapidly, to be arranged in 14 outside surrounding of cooler pedestal
Cooler cooling fin 15 on, by the efficiently heat dissipation outward of cooler cooling fin 15, therefore, high-temp liquid medium is logical in labyrinth
Temperature is gradually decreased in flow process in road 10, until the temperature of high-temp liquid medium, which has cooled to, to be connect when cooler outlet 11
Near ambient temperature is fully able to meet the cooling requirement of mechanical seal；
3) liquid medium flowed out from cooler outlet 11 introduces mechanical seal cooling liquid inlet 18 by cooling water pipe 13, into
Enter into mechanical seal cooling chamber 19, cooling is carried out to mechanical seal 17 close to room temperature medium with this, is lubricated, to ensure that machine
The working environment of tool sealing 17 works, goes out in mechanical seal cooling chamber 19 with enabling the safe and reliable long-life of mechanical seal 17
Mouth setting throttling passage 20 plays throttling action to the liquid medium for flowing into mechanical seal cooling chamber 19, guarantees that mechanical seal 17 is cold
But pressure required for lubricating passes through mechanical seal cooling chamber 19, throttling passage to the medium after 17 cooling and lubricating of mechanical seal
20, impeller return port 21 flows back into 22 import of impeller, is pumped again by impeller 22, the process for repeating step 1)；So far, complete from
Pumped (conveying) medium outlet 2 on hot water pump discharge 1 draws high-temp liquid medium, right after labyrinth channel 10, cooling fin 15 are cooling
Mechanical seal 17 carries out cooling and lubricating, finally returns 22 import of impeller from cooling cycle, entire circulation is completely enclosed, to the external world
Without any pollution, and energy conservation and environmental protection is applicable to the working environment of a variety of heat-exchanger pumps without external cooling water.
Claims (5)
1. a kind of mechanical seal self-cooling structure of heat-exchanger pump, it is characterized in that include heat-exchanger pump, mechanical seal cooling chamber (19) and
Cooler, wherein mechanical seal cooling chamber (19) is set on the outside of the middle part pipeline of heat-exchanger pump, hot water pump discharge (1) side of heat-exchanger pump
Wall is equipped with pumped (conveying) medium outlet (2), and pumped (conveying) medium outlet (2) connects the cooling on cooler by high-temperature conduit (3)
Device import (7), cooler outlet (11) on cooler by cooling water pipe (13) and mechanical seal cooling chamber (19) on the outside of
Mechanical seal cooling liquid inlet (18) connection.
2. the mechanical seal self-cooling structure of a kind of heat-exchanger pump according to claim 1, it is characterized in that the cooler
Including nut (5), bolt (6), cooler inlet (7), cooler gland (8), labyrinth channel A partition (9), labyrinth channel
(10), cooler outlet (11), gasket (12), cooler pedestal (14), cooler cooling fin (15), labyrinth channel B partition
(16)；Wherein the upper surface of cooler gland (8) is symmetrically arranged with the cooler inlet (7) and cooler outlet (11) of perforation, cold
But the lower surface of device gland (8) is equidistantly equipped with several labyrinth channel A partitions (9) side by side；Cooler pedestal (14) is whole to be in
Cube structure, is internally provided with square cavity, and the upper base surface of cooler pedestal (14) is equidistantly equipped with several side by side
Labyrinth channel B partition (16)；The width of labyrinth channel A partition (9) and labyrinth channel B partition (16) is equal to cooler pedestal (14)
The width of internal cavities is highly slightly less than the height of cooler pedestal (14) internal cavities；The lower surface of cooler gland (8),
It is logical that the upper base surface of labyrinth channel A partition (9), labyrinth channel B partition (16) and cooler pedestal (14) collectively constitutes labyrinth
Road (10)；Cooler gland (8) is mutually locked by several pairs of nuts (5) with bolt (6) with cooler pedestal (14), is connect
Contacting surface is equipped with gasket (12), and each surface in outside of cooler pedestal (14) is equipped with cooler cooling fin (15).
3. the mechanical seal self-cooling structure of a kind of heat-exchanger pump according to claim 1, it is characterized in that the high-temperature water
It manages (3) and is equipped with valve (4).
4. the mechanical seal self-cooling structure of a kind of heat-exchanger pump according to claim 1, it is characterized in that the machinery is close
Sealing cooling chamber (19) includes mechanical seal (17), mechanical seal cooling liquid inlet (18), throttling passage (20), impeller return port
(21), impeller (22)；Wherein mechanical seal (17) is set in the middle part of heat-exchanger pump at bearing case, mechanical seal cooling liquid inlet (18)
On the side wall of mechanical seal cooling chamber (19), mechanical seal cooling chamber (19) passes through throttling passage (20), impeller return port
(21) it is connected with the import of impeller (22).
5. a kind of mechanical seal self-cooling structure of heat-exchanger pump as described in claim 1, which is characterized in that its working method packet
Include following steps:
1) impeller (22) rotated pumps high-temp liquid medium, and the liquid medium work done to conveying, obtains from impeller (22)
Energy and the liquid medium to heat up, i.e. high-temp liquid medium flow to heat-exchanger pump outlet (1), high-temp liquid from the outlet of impeller (22)
Medium pressure energy with higher and kinetic energy, under the action of the pressure energy, high-temp liquid medium is flowed from pumped (conveying) medium outlet (2)
Out, it is flowed into cooler inlet (7) by high-temperature conduit (3), valve (4), into labyrinth channel (10), by valve (4) basis
Need to adjust the flow into labyrinth channel (10)；
2) labyrinth channel (10) is designed as meander-shaped, and high-temp liquid medium is labyrinth channel (10) interior glide path is longer, stream
It is dynamic relatively slow, be conducive to transmit heat outward, labyrinth channel (10) is rapid transfer heat to be arranged cooler pedestal (14) outside
On cooler cooling fin (15) in the surrounding of face, pass through cooler cooling fin (15) efficiently heat dissipation outward, therefore, high-temp liquid
Medium gradually decreases temperature in labyrinth channel (10) interior flow process, until when cooler outlet (11), high-temp liquid medium
Temperature have cooled to close to room temperature, be fully able to meet the cooling of mechanical seal and require；
3) liquid medium flowed out from cooler outlet (11) introduces mechanical seal cooling liquid inlet by cooling water pipe (13)
(18), it enters in mechanical seal cooling chamber (19), cooling is carried out to mechanical seal (17) close to room temperature medium with this, is lubricated,
To ensure that the working environment of mechanical seal (17), make mechanical seal (17) that can work to the safe and reliable long-life, in machine
Tool seals cooling chamber (19) outlet setting throttling passage (20), plays throttling to the liquid medium for flowing into mechanical seal cooling chamber (19)
Effect guarantees pressure required for mechanical seal (17) cooling and lubricating, passes through to the medium after mechanical seal (17) cooling and lubricating
Mechanical seal cooling chamber (19), throttling passage (20), impeller return port (21) flow back into impeller (22) import, again by impeller
(22) it pumps, the process for repeating step 1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810790981.2A CN108953161A (en) | 2018-07-18 | 2018-07-18 | A kind of mechanical seal self-cooling structure of heat-exchanger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810790981.2A CN108953161A (en) | 2018-07-18 | 2018-07-18 | A kind of mechanical seal self-cooling structure of heat-exchanger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108953161A true CN108953161A (en) | 2018-12-07 |
Family
ID=64496271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810790981.2A Pending CN108953161A (en) | 2018-07-18 | 2018-07-18 | A kind of mechanical seal self-cooling structure of heat-exchanger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108953161A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033752A (en) * | 2021-11-30 | 2022-02-11 | 厦门水务集团有限公司 | Shaft seal cooling device of vertical water pump |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573713A (en) * | 2013-02-22 | 2014-02-12 | 江苏大学 | High-temperature self-cooling hot water circulating pump |
| CN204755406U (en) * | 2014-04-21 | 2015-11-11 | 镇江江大泵业科技有限公司 | Novel high temperature cooling for pump device |
| CN208966607U (en) * | 2018-07-18 | 2019-06-11 | 江苏长凯机械设备有限公司 | A kind of mechanical seal self-cooling structure of heat-exchanger pump |
-
2018
- 2018-07-18 CN CN201810790981.2A patent/CN108953161A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573713A (en) * | 2013-02-22 | 2014-02-12 | 江苏大学 | High-temperature self-cooling hot water circulating pump |
| CN204755406U (en) * | 2014-04-21 | 2015-11-11 | 镇江江大泵业科技有限公司 | Novel high temperature cooling for pump device |
| CN208966607U (en) * | 2018-07-18 | 2019-06-11 | 江苏长凯机械设备有限公司 | A kind of mechanical seal self-cooling structure of heat-exchanger pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033752A (en) * | 2021-11-30 | 2022-02-11 | 厦门水务集团有限公司 | Shaft seal cooling device of vertical water pump |
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