CN220337077U - Multistage heat insulation high-temperature pump - Google Patents
Multistage heat insulation high-temperature pump Download PDFInfo
- Publication number
- CN220337077U CN220337077U CN202321978504.1U CN202321978504U CN220337077U CN 220337077 U CN220337077 U CN 220337077U CN 202321978504 U CN202321978504 U CN 202321978504U CN 220337077 U CN220337077 U CN 220337077U
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- CN
- China
- Prior art keywords
- motor
- seat
- insulation
- heat
- pump
- Prior art date
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Links
- 238000009413 insulation Methods 0.000 title abstract description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 25
- 239000010439 graphite Substances 0.000 claims abstract description 25
- 238000012856 packing Methods 0.000 claims abstract description 17
- 238000002955 isolation Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 17
- 239000012530 fluid Substances 0.000 abstract description 18
- 239000002184 metal Substances 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 150000002739 metals Chemical class 0.000 abstract description 2
- 239000002585 base Substances 0.000 description 10
- 239000007788 liquid Substances 0.000 description 6
- 239000000839 emulsion Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a multistage heat insulation high-temperature pump which comprises a pump shell, graphite packing, a middle bearing, a heat insulation gasket, an insulation middle seat, a framework seal and a motor, wherein the insulation middle seat is fixedly connected with the motor, the framework seal is positioned at one end of the inner side of the insulation middle seat, the heat insulation gasket is positioned at the other end of the inner side of the insulation middle seat, the middle bearing is positioned between the pump shell and the insulation middle seat, the graphite packing is arranged at one end of the middle bearing far away from the inner side of the insulation middle seat, an impeller is arranged in the pump shell, and a driving end of the motor sequentially penetrates through the framework seal, the heat insulation gasket and the graphite packing and is in transmission connection with the impeller. The multistage heat-insulating high-temperature pump utilizes the graphite packing to block the backward flow of fluid, utilizes the heat-insulating gasket to block the heat conduction between metals, and then increases the framework seal to thoroughly block the permeated fluid from flowing into the motor to form a double sealed vacuum cavity, so that the pressure in the pump body and the pressure in the vacuum cavity in the isolation middle seat are kept constant, and the high-temperature fluid is protected from damaging the mechanically movable structure.
Description
Technical Field
The utility model relates to the technical field of pump bodies, in particular to a multi-section heat insulation high-temperature pump.
Background
The pump is a fluid-transporting or fluid-pressurizing machine which transmits mechanical energy of a prime mover or other external energy to the liquid to increase the energy of the liquid, and is mainly used for transporting water, oil, acid-alkali solution, emulsion, suspension emulsion, liquid metal and other liquids, and also can transport liquid, gas mixture and liquid containing suspended solids.
When the pump body needs to convey high-temperature fluid, the high-temperature fluid can conduct heat from the pump shell at the front end to the motor of the transmission mechanism, so that the driving unit of the motor is affected by high temperature, meanwhile, the conventional pump body is poor in sealing performance and is rubber-sealed, rubber is easy to harden when meeting high temperature due to limited temperature resistance, liquid leakage is caused by loss of elasticity, and the fluid is conducted to the driving position of the motor through the motor shaft, so that the service life of the whole pump body is prolonged, and the production process is affected.
Disclosure of Invention
One object of the present utility model is to: the multi-section heat-insulating high-temperature pump can form a vacuum cavity, protect a motor from being influenced by fluid, effectively block heat transmission and prolong service life.
To achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a multistage heat-insulating high temperature pump, includes pump case, graphite packing, well holds, heat-proof gasket, keeps apart in seat, skeleton seal and motor, keep apart in the seat with motor fixed connection, the skeleton seal is located keep apart in the inboard one end of seat, heat-proof gasket is located keep apart in the other one end of inboard of seat, well hold in the pump case with keep apart between the seat, graphite packing is installed in well hold keep away from keep apart in the inboard one end of seat, the internally mounted of pump case has the impeller, the drive end of motor pass in proper order the skeleton seal behind heat-proof gasket with graphite packing with impeller transmission is connected.
As a preferable technical scheme, the front end of the motor is provided with a base, and the base is fixedly connected with the isolation middle base.
As a preferable technical scheme, a graphite sealing ring is arranged on one side, close to the motor, of the isolation middle seat, and the base is pressed on the graphite sealing ring.
As a preferable technical scheme, a mechanical seal is sleeved on the driving end of the motor, and a spring is connected between the mechanical seal and the framework seal.
The beneficial effects of the utility model are as follows: the multi-section heat-insulating high-temperature pump is characterized in that graphite packing is utilized to block backward flow of fluid, a heat-insulating gasket is utilized to block heat conduction between metals, and then a framework seal is added to thoroughly block permeated fluid from flowing into a motor to form a double sealed vacuum cavity, so that the pressure in the pump body and the pressure in the vacuum cavity in an isolation middle seat are kept constant, and the high-temperature fluid is protected from damaging a mechanical movable structure.
Drawings
The utility model is described in further detail below with reference to the drawings and examples.
FIG. 1 is an exploded view of a multi-stage heat-insulating high temperature pump according to an embodiment;
FIG. 2 is a schematic diagram of the overall structure of a multi-stage heat-insulating high-temperature pump according to an embodiment;
fig. 3 is a cross-sectional view of a multi-stage heat-insulating high temperature pump according to an embodiment.
In fig. 1 to 3:
1. a pump housing; 2. graphite packing; 3. a middle bearing; 4. a heat insulating gasket; 5. isolating the middle seat; 6. sealing a framework; 7. a motor; 8. an impeller; 9. a base; 10. a graphite seal ring; 11. mechanical sealing; 12. and (3) a spring.
Detailed Description
The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.
As shown in fig. 1 to 3, in this embodiment, a multi-section heat insulation high temperature pump includes a pump casing 1, a graphite packing 2, a middle bearing 3, a heat insulation gasket 4, an insulation middle seat 5, a framework seal 6 and a motor 7, wherein the insulation middle seat 5 is fixedly connected with the motor 7, the framework seal 6 is located at one end of the inner side of the insulation middle seat 5, the heat insulation gasket 4 is located at the other end of the inner side of the insulation middle seat 5, the middle bearing 3 is located between the pump casing 1 and the insulation middle seat 5, the graphite packing 2 is mounted at one end of the middle bearing 3 far away from the inner side of the insulation middle seat 5, an impeller 8 is mounted in the pump casing 1, and a driving end of the motor 7 sequentially penetrates through the framework seal 6, the heat insulation gasket 4 and the graphite packing 2 and is in transmission connection with the impeller 8.
In the use process of the multistage heat-insulating high-temperature pump, fluid enters and exits from the pump shell 1, power is supplied through rotation of the impeller 8, the graphite packing 2 is added in the first layer of sealing, the high-temperature fluid is blocked in the pump shell 1 under the action of the high-temperature graphite packing 2 and cannot continuously flow out to the position of the motor 7 through the middle bearing 3, the skeleton sealing 6 is added in the second layer of sealing, the permeated residual fluid is blocked in front of the skeleton sealing 6 according to the action of the skeleton sealing 6, any fluid cannot permeate into the motor 7 any more, and in the aspect of temperature control, the heat brought by the high-temperature fluid is blocked by the heat-insulating gasket 4, so that the metal is prevented from being transmitted to the motor 7 at the rear in a heat conduction mode.
The base 9 is installed to the front end of motor 7, fixed connection between base 9 and the isolation center seat 5 utilizes the fixed position of motor 7 of base 9 to make double-deck seal structure protection, high temperature fluid can not flow to the position of base 9, the motor 7 of the isolation center seat 5 and rear end of front end is connected.
The graphite sealing ring 10 is arranged on one side of the isolation middle seat 5 close to the motor 7, the base 9 is pressed on the graphite sealing ring 10, the graphite sealing ring 10 is used for sealing the outer layer position of the isolation middle seat 5, and fluid cannot enter the motor 7 and cannot leak outside.
The mechanical seal 11 is sleeved on the driving end of the motor 7, the spring 12 is connected between the mechanical seal 11 and the framework seal 6, and the mechanical seal 11 at the rear end is combined to the framework seal 6, so that the sealing effect of the vacuum cavity is further improved, the pressure in the pump shell 1 and the pressure in the isolation middle seat 5 are kept balanced, and the outflow of fluid is effectively blocked.
It should be noted that the above embodiments are merely preferred embodiments of the present utility model and the applied technical principles, and any changes or substitutions easily conceivable to those skilled in the art within the scope of the present utility model are included in the scope of the present utility model.
Claims (4)
1. The utility model provides a multistage thermal-insulated high temperature pump, its characterized in that includes pump case, graphite packing, well holds, thermal-insulated gasket, keeps apart in seat, skeleton seal and motor, keep apart in seat with motor fixed connection, the skeleton seal is located keep apart in the inboard one end of seat, thermal-insulated gasket is located keep apart in the inboard other one end of seat, well hold in the pump case with keep apart between the seat, graphite packing is installed well hold keep away from keep apart in the inboard one end of seat, the internally mounted of pump case has the impeller, the drive end of motor pass in proper order the skeleton seal behind thermal-insulated gasket with graphite packing with impeller transmission is connected.
2. The multistage heat-insulating high-temperature pump according to claim 1, wherein a base is installed at the front end of the motor, and the base is fixedly connected with the middle isolation seat.
3. A multistage heat insulating high temperature pump according to claim 2, wherein a graphite sealing ring is mounted on the side of the insulating middle seat close to the motor, and the base is pressed on the graphite sealing ring.
4. The multi-section heat-insulating high-temperature pump according to claim 1, wherein a mechanical seal is sleeved on the driving end of the motor, and a spring is connected between the mechanical seal and the framework seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321978504.1U CN220337077U (en) | 2023-07-25 | 2023-07-25 | Multistage heat insulation high-temperature pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321978504.1U CN220337077U (en) | 2023-07-25 | 2023-07-25 | Multistage heat insulation high-temperature pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220337077U true CN220337077U (en) | 2024-01-12 |
Family
ID=89447182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321978504.1U Active CN220337077U (en) | 2023-07-25 | 2023-07-25 | Multistage heat insulation high-temperature pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220337077U (en) |
-
2023
- 2023-07-25 CN CN202321978504.1U patent/CN220337077U/en active Active
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| GR01 | Patent grant |