CN203809313U - Circulation exhaust structure for high-temperature type shielding electric pump - Google Patents
Circulation exhaust structure for high-temperature type shielding electric pump Download PDFInfo
- Publication number
- CN203809313U CN203809313U CN201420207897.0U CN201420207897U CN203809313U CN 203809313 U CN203809313 U CN 203809313U CN 201420207897 U CN201420207897 U CN 201420207897U CN 203809313 U CN203809313 U CN 203809313U
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- Prior art keywords
- circulation
- pump
- rotor
- communicated
- arm
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- 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 abstract description 27
- 230000008676 import Effects 0.000 claims description 40
- 230000004048 modification Effects 0.000 claims description 13
- 238000012986 modification Methods 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000005299 abrasion Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 231100000004 severe toxicity Toxicity 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 relates to a circulation exhaust structure for a high-temperature type shielding electric pump. Based on a circulation loop of the shielding eclectic pump, the circulation exhaust structure comprises a shell, a stator and a rotor. An air gap passageway is arranged between the stator and the rotor, a circulation outlet for communicating the air gap passageway with a pump cavity is formed between a front sliding bearing installed in a front bearing pedestal and the rotor, and a circulation pipeline communicated with the circulation outlet is arranged on the front bearing pedestal. A first circulation inlet is formed between a rear sliding bearing installed in a rear bearing pedestal and the rotor, a second circulation inlet is formed in the end, corresponding to the rear sliding bearing, of the rotor, and the first circulation inlet and the second circulation inlet are respectively communicated with the air gap passageway. The other end of the circulation pipeline is connected with the rear bearing pedestal and communicated with the first circulation inlet and the second circulation inlet. A vent valve is arranged on the circulation pipeline. In the circulation process of a high-temperature liquid medium, when generated bubbles pass the circulation pipeline, the bubbles are exhausted conveniently through the vent valve, abrasion of the bearings in the shielding eclectic pump is reduced, and service life is prolonged.
Description
Technical field
The utility model relates to a kind of circulating exhaust structure of high temperature modification shielded electric-pump.
Background technique
Shielded electric-pump is a kind of one of no-leakage pump,, (as the severe toxicity, radioactivity), the liquid that inflammable and explosive and expensive or other special that are pernicious to people corrosive for delivery of having.Due to the specific use of shielded electric-pump, its structural type and common electric pump also have larger difference.
In the working environment of shielded electric-pump, in the time of delivering hot water, deep fat or other high-temp liquid media, in its circulation loop, tend to produce a small amount of bubble, but due in the course of the work, bubble is normally mingled in liquid medium, and therefore more difficult observing is easy to just out in the cold.But ignore and tend to cause bubble not discharge in time for a long time, thereby aggravate the wearing and tearing of shielded electric-pump inner bearing, affect the working life of bearing.
Model utility content
The purpose of this utility model is to overcome the problem of above-mentioned prior art, and a kind of circulating exhaust structure of high temperature modification shielded electric-pump is provided, and can discharge easily bubble, reduces the wearing and tearing of shielded electric-pump inner bearing, improves working life.
Above-mentioned purpose is to be achieved through the following technical solutions:
A kind of circulating exhaust structure of high temperature modification shielded electric-pump, comprise casing, stator and rotor, described rotor is installed by the front-end bearing pedestal and the rear bearing block that are arranged on casing two ends, described stator coaxial sleeve is located in described casing, the end that described rotor protrudes out described front-end bearing pedestal is fixedly connected with impeller, described impeller outside is covered with and described casing sealing fixed pump body, the side of the described pump housing is provided with the import being communicated with the pump chamber of the described pump housing, the upper end of the described pump housing is provided with the outlet being communicated with the pump chamber of the pump housing, between described stator and described rotor, be provided with air gap channel, between the front slide bearing of installing in described front-end bearing pedestal and described rotor, be provided with the loop exit that is communicated with described air gap channel and described pump chamber, described front-end bearing pedestal is provided with the circulation loop being communicated with described loop exit,
Between the rear sliding bearing of installing in described rear bearing block and described rotor, be provided with the first circulation import, in the end of the corresponding described rear sliding bearing of described rotor, be provided with the second circulation import, described the first circulation import, described the second circulation import are communicated with respectively described air gap channel; The other end of described circulation loop connects described rear bearing block and is communicated with described the first circulation import and described the second circulation import; Described circulation loop is provided with outlet valve.
Further, described circulation loop comprises the first arm and the second arm, and described outlet valve is arranged between described the first arm and described the second arm.
Further, described the first arm arranges straight up, and described the second arm is horizontally disposed with, and described outlet valve is arranged on the corner location of described the first arm and described the second arm formation.
Further, described the first arm is communicated with described rear bearing block.
The circulating exhaust structure of high temperature modification shielded electric-pump described in the utility model, comprise casing, stator and rotor, rotor is installed by the front-end bearing pedestal and the rear bearing block that are arranged on casing two ends, stator coaxial sleeve is located in casing, the end that rotor protrudes out front-end bearing pedestal is fixedly connected with impeller, impeller outside is covered with and casing sealing fixed pump body, the side of the pump housing is provided with the import being communicated with the pump chamber of the pump housing, the upper end of the pump housing is provided with the outlet being communicated with the pump chamber of the pump housing, between stator and rotor, be provided with air gap channel, between the front slide bearing of installing in front-end bearing pedestal and rotor, be provided with the loop exit that is communicated with air gap channel and pump chamber, front-end bearing pedestal is provided with the circulation loop being communicated with loop exit, between the rear sliding bearing of installing in rear bearing block and rotor, be provided with the first circulation import, be provided with the second circulation import after rotor correspondence in the end of sliding bearing, the first circulation import, the second circulation import are communicated with respectively air gap channel, the other end of circulation loop connects rear bearing block and is communicated with the first circulation import and the second circulation import, circulation loop is provided with outlet valve.High-temp liquid medium is in the process of circulation, and the bubble of generation, when through circulation loop, is discharged easily bubble by outlet valve, thereby reduced the wearing and tearing of shielded electric-pump inner bearing, has improved working life.
Brief description of the drawings
Fig. 1 is the structural principle schematic diagram that the circulating exhaust structure of a kind of high temperature modification shielded electric-pump described in the utility model is applied in high temperature modification shielded electric-pump.
Embodiment
According to drawings and embodiments the utility model is described in further detail below.
As shown in Figure 1, a kind of high temperature modification shielded electric-pump, comprise casing 1, stator 2 and rotor 3, rotor 3 is installed by the front-end bearing pedestal 4 and the rear bearing block 5 that are arranged on casing 1 two ends, stator 2 coaxial sleeves are located in casing 1, the end that rotor 3 protrudes out front-end bearing pedestal 4 is fixedly connected with impeller 6, impeller 6 outsides are covered with casing 1 and seal fixed pump body 7, the side of the pump housing 7 is provided with the import 71 being communicated with the pump chamber 7a of the pump housing 7, the upper end of the pump housing 7 is provided with the outlet 72 being communicated with the pump chamber 7a of the pump housing 7, between stator 2 and rotor 3, is provided with air gap channel 8.
Meanwhile, be provided with the loop exit 9 that is communicated with air gap channel 8 and pump chamber 7a between the front slide bearing 41 of front-end bearing pedestal 4 interior installations and rotor 3, front-end bearing pedestal 4 is provided with the first circulation loop 10 being communicated with loop exit 9.
Simultaneously, the position fixed cover of the corresponding stator 2 of outer wall of casing 1 is provided with cooling jacket 11, cooling jacket 11 has cooling water intake 11a and coolant outlet 11b, in cooling jacket 11, contain condenser coil 12, condenser coil 12 arranges around casing 1, condenser coil 12 has the material channel 12a of hollow, and wherein one end of condenser coil 12 is communicated with the first circulation loop 10.
In order to prevent stopping up, between the rear sliding bearing 51 of rear bearing block 5 interior installations and rotor 3, be provided with the first circulation import 13, after rotor 3 is corresponding, in the end of sliding bearings 51, be provided with the second circulation import 14, the first circulation imports 13, the second circulation import 14 is communicated with respectively air gap channel 8;
Outside rear bearing block 5, being provided with the second circulation loop 15, the second circulation loops 15 that are connected with the first circulation import 13 and the second circulation import 14 is communicated with the other end of condenser coil 12.
Between impeller 6 and front-end bearing pedestal 4, have assemblage gap 16, assemblage gap 16 is communicated with pump chamber 7a and loop exit 9.
In order to prevent stopping up, in front-end bearing pedestal 4, be also provided with the bypass passage 17 that is communicated with pump chamber 7a and loop exit 9.
Rotor 3 is respectively equipped with thrust disc 18 near the relative inner of front slide bearing 41 and rear sliding bearing 51.
The originating port of the second circulation import 14 is located on the side end face of rotor 3, and the exhaust port of the second circulation import 14 is arranged on the outer cylinder side wall surface of rotor 3.This exhaust port is two, is symmetricly set on respectively on rotor 3.
High temperature media, in mobile process, particularly, in the process of circulation, easily produces bubble, if discharge not in time, tends to aggravate the wearing and tearing of bearing, reduces working life.For the convenient bubble of discharging, the second circulation loop 15 is provided with outlet valve 19.
The second circulation loop 15 comprises the first arm 151 being connected with rear bearing block 5 and the second arm 152 being connected with condenser coil 12, and outlet valve 19 is arranged between the first arm 151 and the second arm 152.The first arm 151 arranges straight up, and the second arm 152 is horizontally disposed with, and outlet valve 19 is arranged on the corner location that the first arm 151 and the second arm 152 form.
Front-end bearing pedestal 4 and rear bearing block 5 are tightly connected with casing 1.
The flow direction of high temperature media:
Primary flow path: enter pump chamber 7a from import 71, act on from exporting 72 outflows through impeller 6;
Circulation loop: enter from assemblage gap 16 and bypass passage 17, enter motor cavity through the first circulation loop 10, condenser coil 12, the second circulation loop 15 successively, enter air gap channel 8 by the first circulation import 13 and the second circulation import 14 again, finally flow back to pump chamber 7a from loop exit 9.
As shown in Figure 1, a kind of circulating exhaust structure of high temperature modification shielded electric-pump, using the circulation loop of shielded electric-pump as basis, comprise casing, stator and rotor, rotor is installed by the front-end bearing pedestal and the rear bearing block that are arranged on casing two ends, stator coaxial sleeve is located in casing, the end that rotor protrudes out front-end bearing pedestal is fixedly connected with impeller, impeller outside is covered with and casing sealing fixed pump body, the side of the pump housing is provided with the import being communicated with the pump chamber of the pump housing, the upper end of the pump housing is provided with the outlet being communicated with the pump chamber of the pump housing, between stator and rotor, be provided with air gap channel, between the front slide bearing of installing in front-end bearing pedestal and rotor, be provided with the loop exit that is communicated with air gap channel and pump chamber, front-end bearing pedestal is provided with the circulation loop being communicated with loop exit.This circulation loop comprises the first circulation loop 10 and the second circulation loop 15.Between the rear sliding bearing of installing in rear bearing block and rotor, be provided with the first circulation import, be provided with the second circulation import after rotor correspondence in the end of sliding bearing, the first circulation import, the second circulation import are communicated with respectively air gap channel; The other end of circulation loop connects rear bearing block and is communicated with the first circulation import and the second circulation import; Circulation loop is provided with outlet valve.High-temp liquid medium is in the mobile process of circulation loop, and the bubble of generation, can discharge easily.
The foregoing is only explanation mode of execution of the present utility model; be not limited to the utility model; for a person skilled in the art; all within spirit of the present utility model and principle; any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (4)
1. the circulating exhaust structure of a high temperature modification shielded electric-pump, comprise casing, stator and rotor, described rotor is installed by the front-end bearing pedestal and the rear bearing block that are arranged on casing two ends, described stator coaxial sleeve is located in described casing, the end that described rotor protrudes out described front-end bearing pedestal is fixedly connected with impeller, described impeller outside is covered with and described casing sealing fixed pump body, the side of the described pump housing is provided with the import being communicated with the pump chamber of the described pump housing, the upper end of the described pump housing is provided with the outlet being communicated with the pump chamber of the pump housing, between described stator and described rotor, be provided with air gap channel, it is characterized in that,
Between the front slide bearing of installing in described front-end bearing pedestal and described rotor, be provided with the loop exit that is communicated with described air gap channel and described pump chamber, described front-end bearing pedestal is provided with the circulation loop being communicated with described loop exit;
Between the rear sliding bearing of installing in described rear bearing block and described rotor, be provided with the first circulation import, in the end of the corresponding described rear sliding bearing of described rotor, be provided with the second circulation import, described the first circulation import, described the second circulation import are communicated with respectively described air gap channel;
The other end of described circulation loop connects described rear bearing block and is communicated with described the first circulation import and described the second circulation import;
Described circulation loop is provided with outlet valve.
2. the circulating exhaust structure of high temperature modification shielded electric-pump as claimed in claim 1, is characterized in that, described circulation loop comprises the first arm and the second arm, and described outlet valve is arranged between described the first arm and described the second arm.
3. the circulating exhaust structure of high temperature modification shielded electric-pump as claimed in claim 2, it is characterized in that, described the first arm arranges straight up, and described the second arm is horizontally disposed with, and described outlet valve is arranged on the corner location of described the first arm and described the second arm formation.
4. the circulating exhaust structure of high temperature modification shielded electric-pump as claimed in claim 3, is characterized in that, described the first arm is communicated with described rear bearing block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420207897.0U CN203809313U (en) | 2014-04-25 | 2014-04-25 | Circulation exhaust structure for high-temperature type shielding electric pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420207897.0U CN203809313U (en) | 2014-04-25 | 2014-04-25 | Circulation exhaust structure for high-temperature type shielding electric pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203809313U true CN203809313U (en) | 2014-09-03 |
Family
ID=51448071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420207897.0U Expired - Lifetime CN203809313U (en) | 2014-04-25 | 2014-04-25 | Circulation exhaust structure for high-temperature type shielding electric pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203809313U (en) |
-
2014
- 2014-04-25 CN CN201420207897.0U patent/CN203809313U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191018 Address after: 214000 room 1512-08, building 1, No. 311, Yanxin Road, Huishan Economic Development Zone, Wuxi City, Jiangsu Province Patentee after: Wuxi jiaxucheng Intelligent Technology Co.,Ltd. Address before: 214000 Jiangsu province Wuxi city Huishan District Yanqiao Street West of Zhang Xi Industry Road No. 12-3 Patentee before: WUXI ANHUA SHIELDED ELECTRIC PUMP WORKS |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201118 Address after: 214000 Jiangsu province Wuxi city Huishan District Yanqiao Street West of Zhang Xi Industry Road No. 12-3 Patentee after: WUXI ANHUA SHIELDED ELECTRIC PUMP WORKS Address before: 214000 room 1512-08, building 1, No. 311, Yanxin Road, Huishan Economic Development Zone, Wuxi City, Jiangsu Province Patentee before: Wuxi jiaxucheng Intelligent Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140903 |
|
| CX01 | Expiry of patent term |