CN201650760U - Shield pump for heat transfer oil - Google Patents
Shield pump for heat transfer oil Download PDFInfo
- Publication number
- CN201650760U CN201650760U CN2010201037231U CN201020103723U CN201650760U CN 201650760 U CN201650760 U CN 201650760U CN 2010201037231 U CN2010201037231 U CN 2010201037231U CN 201020103723 U CN201020103723 U CN 201020103723U CN 201650760 U CN201650760 U CN 201650760U
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- bearing body
- rotor
- electric machine
- motor
- heat exchanger
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Abstract
A shield pump for heat transfer oil comprises a pump body, and a linkage section, a front bearing body, an electric machine front cover, an electric machine rear cover and a rear bearing body which are connected with the pump body in sequence, wherein an electric machine stator and an electric machine rotor are arranged between the electric machine front cover and the electric machine rear cover; a stator-rotor shielding sleeve gap is formed between the electric machine stator and the electric machine rotor; a rotating shaft is supported on the front bearing body and the rear bearing body, and installed with an impeller positioned at the inner side of the pump body, and an auxiliary impeller positioned at the inner side of the linkage section; the outlet end of the stator-rotor shielding sleeve gap is communicated with an inlet of a heat exchanger by an oil hole in the rear bearing body and a heat transfer oil discharging pipe; and an outlet of the heat exchanger is communicated with the inlet end of the stator-rotor shielding sleeve gap by a return pipe, a hole in the linkage section, an inner cavity of the auxiliary impeller, and a hole in the front bearing body. The shield pump has simple structure, can conduct independent cooling and circulation inside and outside the pump body, and can avoid the leakage of medium when transferring large-flow high-temperature heat transfer oil.
Description
Technical field
The utility model relates to a kind of canned motorpump, and particularly a kind of conduction oil canned motorpump is mainly used in the conveying of big flow, high temperature heat conductive oil.
Background technique
The performance characteristics of Heat-transfer Oil Pump is that flow-rate ratio is bigger, and the operating point flow is up to 600m
3/ h; Temperature is higher, is generally 280-400 ℃, part conduction oil solidifying point height (as: solidifying point of Dowtherm is 20 ℃), and medium osmosis is strong, is difficult for removing on part.As carry when containing the material that the people is harmful to very much in the liquid, must in system, avoid the loss of liquid and the processing of leakage, nearly all conduction oil all has very big penetrating power, and the axle envelope of existing Ordinary Centrifugal Pumps leakage phenomenon occurs through regular meeting.
Summary of the invention
The purpose of this utility model provide a kind of simple in structure, overcome leakage, be suitable for big flow, conduction oil canned motorpump that high temperature heat conductive oil is carried.
Conduction oil canned motorpump of the present utility model, comprise the pump housing and the linkage section that joins with the pump housing successively, the fore bearing body, the motor protecgulum, the motor bonnet, the rear bearing body, between motor protecgulum and motor bonnet, motor stator and rotor are arranged, form rotor housing gap between motor stator and the rotor, at fore bearing body and rear bearing body upper support rotating shaft is arranged, impeller that is positioned at pump housing inboard and the auxiliary impeller that is positioned at the linkage section inboard are housed in rotating shaft, the outlet end in rotor housing gap is connected with the inlet of heat exchanger by oilhole on the rear bearing body and conduction oil discharge tube, and reflow pipe is passed through in the outlet of heat exchanger, connect sector hole, auxiliary impeller inner chamber, hole on the fore bearing body is connected with the entry end in rotor housing gap.
Conduction oil canned motorpump of the present utility model, the outside of wherein said motor stator are provided with the chuck chamber that joins with cooling water; The drain tap that is connected with heat conduction oil pocket in it is arranged on heat exchanger.
Conduction oil canned motorpump of the present utility model, during work, the conduction oil in the rotor housing gap of flowing through can carry out the heat exchange cooling by heat exchanger, enters auxiliary impeller inner chamber then and flows back to rotor housing gap again, form an independently circulation, guaranteed the working life of motor; The chuck chamber and the chilled water unit in the motor outside join, and can guarantee the running temperature of motor; By the Front balance dish of pump and at auxiliary impeller blade is arranged behind, can offset during rotation because the rotating shaft axial force that working conditions change is brought makes rotating shaft keep the more state of balance.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is a K place enlarged diagram shown in Figure 1.
Embodiment
As shown in Figure 1, 2: 1 is the pump housing, the pump housing 1 is connected with linkage section 14, fore bearing body 12, motor protecgulum 17, motor bonnet 10, rear bearing body 9 in turn, between motor protecgulum 17 and motor bonnet 10 motor stator and rotor are arranged, wherein motor stator is installed on motor protecgulum 17 and the motor bonnet 10.At fore bearing body 12 and rear bearing body 9 upper supports rotating shaft 11 is arranged, rotor is installed in the rotating shaft 11.Form rotor housing gap 18 between motor stator and the rotor.Impeller 2 that is positioned at the pump housing 1 inboard and the auxiliary impeller 4 that is positioned at linkage section 14 inboards are housed in rotating shaft 11.
On motor protecgulum 17 and motor bonnet 10, be installed with the heat exchanger 5 that joins with chilled water unit, on rear bearing body 9, be processed with the oilhole that is connected with the outlet in rotor housing gap 18 and be connected to conduction oil discharge tube 8 by support.Inlet on the other end of conduction oil discharge tube 8 and the heat exchanger 5 joins.On linkage section 14, have radially to connect sector hole 3, the outlet of heat exchanger 5 by reflow pipe 15 be connected sector hole 3 and be connected.Processing is porose on fore bearing body 12, will connect sector hole 3, assist the inner chamber of impeller 4 to be communicated with the inlet in rotor housing gap 18 by this hole.Formed independently circulation canal, i.e. the outlet in rotor housing gap 18 is communicated with the inlet in the inlet of oilhole on the rear bearing body 9, conduction oil discharge tube 8, heat exchanger 5, outlet, the reflow pipe 15 of heat exchanger 5, the inner chamber that connects sector hole 3, auxiliary impeller 4, the hole on the fore bearing body 12, rotor housing gap 18 successively.
Be provided with motor casing 6 in the outside of motor stator, its inboard chuck chamber 7 that joins with chilled water unit that forms.
Behind at auxiliary impeller 4 is provided with blade 19, and blade 19 evenly distributes along the radially setting and the circumference of auxiliary impeller 4, and blade quantity is between the 4-6 sheet.The effect of blade 19 overcomes (towards the impeller direction) axial force of the payment forward end that rotating shaft produced when being rotation, make rotating shaft keep balance.Axial displacement monitor 20 is installed on rear bearing body 9, is used to monitor the axial displacement of rotating shaft 11.
When pump operation, rotor chamber and heat exchanger 5 constitute an independently circulation, to take away the heat of motor.Circular flow obtains energy at auxiliary impeller 4 places, enter heat exchanger 5 by rotor chamber and conduction oil discharge tube 8, after the exchange of cooling water heat, through connecting sector hole 3, assisting the inner chamber of impeller 4, the hole on the fore bearing body 12 to enter rotor chamber, realizes continuing circulation again.Logical cooling water in motor chuck chamber 7 and the heat exchanger 5, the temperature maintenance that guarantees circular flow is between 70 ℃-85 ℃.
When carrying the high conduction oil of some solidifying point, can lead to hot water in motor chuck chamber and the heat exchanger 5, realize quickening pump priming, avoid when starting rotor chamber to solidify damage to motor.Be equipped with the relic solution tube road on the pump housing 1 and linkage section 14, the back is cleaned pump so that the user is stopped for a long time.
In order to make the heat conduction oil pockets in the heat exchanger 5 discharge gas smoothly, on heat exchanger 5, be equipped with it in the drain tap that is connected of heat conduction oil pocket, drain tap can be manually operated type, carries out artificial exhaust by handwheel.
Claims (2)
1. conduction oil canned motorpump, comprise the pump housing (1) and the linkage section (14) that joins with the pump housing (1) successively, fore bearing body (12), motor protecgulum (17), motor bonnet (10), rear bearing body (9), between motor protecgulum (17) and motor bonnet (10), motor stator and rotor are arranged, form rotor housing gap (18) between motor stator and the rotor, at fore bearing body (12) and rear bearing body (9) upper support rotating shaft (11) is arranged, in rotating shaft (11), be equipped with and be positioned at the inboard impeller (2) of the pump housing (1) and be positioned at the inboard auxiliary impeller (4) of linkage section (14), it is characterized in that: the outlet end in rotor housing gap (18) is connected with the inlet of heat exchanger (5) by oilhole on the rear bearing body (9) and conduction oil discharge tube (8), and the outlet of heat exchanger (5) is by reflow pipe (15), connect sector hole (3), auxiliary impeller (4) inner chamber, hole on the fore bearing body (12) is connected with the entry end in rotor housing gap (18).
2. conduction oil canned motorpump according to claim 1 is characterized in that: the outside of described motor stator is provided with the chuck chamber (7) that joins with cooling water; The drain tap that the heat conduction oil pocket is connected in having with it on heat exchanger (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201037231U CN201650760U (en) | 2010-01-29 | 2010-01-29 | Shield pump for heat transfer oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201037231U CN201650760U (en) | 2010-01-29 | 2010-01-29 | Shield pump for heat transfer oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201650760U true CN201650760U (en) | 2010-11-24 |
Family
ID=43115994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201037231U Expired - Lifetime CN201650760U (en) | 2010-01-29 | 2010-01-29 | Shield pump for heat transfer oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201650760U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518589A (en) * | 2012-01-10 | 2012-06-27 | 合肥通用机械研究院 | Leakless high-temperature hot oil medium delivery pump |
| CN103133355A (en) * | 2011-11-22 | 2013-06-05 | 黑拉许克联合股份有限公司 | Pump for temperature circulation circuit in vehicle |
| CN103912504A (en) * | 2014-04-25 | 2014-07-09 | 无锡市安化屏蔽电泵厂 | High temperature canned motor pump |
| CN112928866A (en) * | 2021-02-07 | 2021-06-08 | 南京工程学院 | Cooling circulation loop for high-power high-speed submersible pump |
-
2010
- 2010-01-29 CN CN2010201037231U patent/CN201650760U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133355A (en) * | 2011-11-22 | 2013-06-05 | 黑拉许克联合股份有限公司 | Pump for temperature circulation circuit in vehicle |
| CN103133355B (en) * | 2011-11-22 | 2017-12-22 | 黑拉许克联合股份有限公司 | Pump for temperature circulation circuit in automobile |
| CN102518589A (en) * | 2012-01-10 | 2012-06-27 | 合肥通用机械研究院 | Leakless high-temperature hot oil medium delivery pump |
| CN102518589B (en) * | 2012-01-10 | 2015-09-16 | 合肥通用机械研究院 | Leakless high-temperature hot oil medium delivery pump |
| CN103912504A (en) * | 2014-04-25 | 2014-07-09 | 无锡市安化屏蔽电泵厂 | High temperature canned motor pump |
| CN103912504B (en) * | 2014-04-25 | 2017-02-15 | 无锡市安化屏蔽电泵厂 | High temperature canned motor pump |
| CN112928866A (en) * | 2021-02-07 | 2021-06-08 | 南京工程学院 | Cooling circulation loop for high-power high-speed submersible pump |
| CN112928866B (en) * | 2021-02-07 | 2021-11-05 | 南京工程学院 | Cooling circulation loop for high-power high-speed submersible pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101124 |