CN103912504B - High temperature canned motor pump - Google Patents
High temperature canned motor pump Download PDFInfo
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- CN103912504B CN103912504B CN201410171825.XA CN201410171825A CN103912504B CN 103912504 B CN103912504 B CN 103912504B CN 201410171825 A CN201410171825 A CN 201410171825A CN 103912504 B CN103912504 B CN 103912504B
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Abstract
The invention relates to a high temperature canned motor pump. The high temperature canned motor pump is suitable for conveying high temperature liquid mediums and comprises a machine shell, a stator and a rotor, wherein cooling water is communicated in a cooling jacket outside the machine shell, a condensing coiled pipe is cooled while the machine shell is cooled, a first circulating pipe is communicated with a second circulating pipe through the condensing coiled pipe, and therefore the high temperature mediums in circulation are further cooled, it is avoided that because the high temperature mediums flow back into a motor cavity in the prior art, the cooling effect is reduced, the cooling effect is obviously improved, meanwhile, the cooling water in the cooling jacket is ingenuously utilized for cooling the cooling coiled pipe, the condensing coiled pipe does not need to be independently cooled, and energy consumption is low.
Description
Technical field
The present invention relates to a kind of shielded electric pump, more particularly, to a kind of high temperature modification shielded electric pump is it is adaptable to convey high-temp liquid
Medium.
Background technology
Shielded electric pump is a kind of one kind of no-leakage pump, for conveying have corrosive, be pernicious to people (as severe toxicity,
Radioactivity), inflammable and explosive and expensive or other special liquid.Due to the specific use of shielded electric pump, its version
Also there is larger difference with common electric pump.
In the working environment of shielded electric pump, when conveying hot water, deep fat or other high-temp liquid media, due to medium temperature
Spend height, lead to the temperature of motor cavity too high, affect normal operation and the service life of motor.In order to reduce the temperature of motor cavity
Degree, generally requires to add cooling jacket outside casing, by cooling down water chiller shell.But be often easier in prior art neglect
Depending on the cooling to circulation pipe, the medium in circulation pipe takes cooling measure due to typically no, when circulating reflux stepper motor chamber,
Reduce the cooling effect of cooling jacket script on the contrary, the temperature of medium is higher, and the effect of counteracting is more obvious again.The opposing party
Face, even if using generally conventional cooling technology, such as directly in the outer sheathed single cooling device (as condenser) of circulation pipe,
Often also need in addition supporting condenser water supply line, the cost not only resulting in product steeply rises, and energy consumption is also higher simultaneously.
Content of the invention
It is an object of the invention to overcoming above-mentioned problem of the prior art, provide a kind of high temperature modification shielded electric pump, it is suitable for
In the conveying of high-temp liquid medium, cooling effect can be effectively improved, energy consumption is relatively low simultaneously.
Above-mentioned purpose is to be achieved through the following technical solutions：
A kind of high temperature modification shielded electric pump, including casing, stator and rotor, described rotor is by being arranged on before casing two ends
Bearing block and rear bearing block are installed, and described stator is coaxially set in described casing, and described rotor protrudes out described front-end bearing pedestal
End be fixedly connected with impeller, be covered with the pump housing fixing with described casing sealing, the side of the described pump housing outside described impeller
It is provided with the import connecting with the pump chamber of the described pump housing, the upper end of the described pump housing is provided with the outlet connecting with the pump chamber of the pump housing, described
It is provided with air gap channel between stator and described rotor,
It is communicated with described air gap channel and institute between the advancing slip dynamic bearing installed in described front-end bearing pedestal and described rotor
State the loop exit of pump chamber, described front-end bearing pedestal is provided with the first circulation pipeline connecting with described loop exit；
The position fixation of the corresponding described stator of the outer wall of described casing is arranged with cooling jacket, and described cooling jacket has cold
But water inlet and coolant outlet, contains condenser coil in described cooling jacket, and described condenser coil sets around described casing
Put, described condenser coil has the material channel of hollow, wherein one end of described condenser coil is with described first circulation pipeline even
Logical；
In order to prevent blocking, between the rear sliding bearing installed in described rear bearing block and described rotor, it is provided with first circulation
Import, is provided with second circulation import in the end of the corresponding described rear sliding bearing of described rotor, described first circulation import, described
Second circulation import is respectively communicated with described air gap channel；
Described rear bearing block is externally provided with second being connected with described first circulation import and described second circulation import and follows
Endless tube road, described second circulation pipeline is connected with the other end of described condenser coil.
Further, there is between described impeller and described front-end bearing pedestal installation gap, described installation gap and described pump
Chamber and the connection of described loop exit.
In order to prevent blocking, it is additionally provided with the described pump chamber of connection in described front-end bearing pedestal and the branch road of described loop exit leads to
Road.
Further, described rotor is respectively equipped near the relative inner of described advancing slip dynamic bearing and described rear sliding bearing
Thrust disc.
Further, the originating port of described second circulation import is located on the side end face of described rotor, described second circulation
The outlet of import is arranged on the outside cylinder side wall of described rotor.
Further, described outlet is two, is symmetrically arranged on described rotor.
High-temperature medium, during flowing, particularly during circulation, easily produces bubble, if arranging not in time
Go out, often aggravate the abrasion of bearing, reduce service life.Discharge bubble for convenience, described second circulation pipeline is provided with
Air bleeding valve.
Further, described second circulation pipeline include the first arm being connected with described rear bearing block and with described condensation
The second arm that coil pipe connects, described air bleeding valve is arranged between described first arm and described second arm.
Further, described first arm is arranged straight up, and described second arm is horizontally disposed with, described air bleeding valve setting
The corner location being formed in described first arm and described second arm.
Further, described front-end bearing pedestal and described rear bearing block are connected with described casing sealing.
High temperature modification shielded electric pump of the present invention, it is applied to the conveying of high-temp liquid medium, including casing, stator and
Rotor, connects cooling water in the cooling jacket outside casing, while cooling casing, cools condenser coil, first circulation
Pipeline passes through condenser coil and second circulation pipeline connection, thus cooling the high-temperature medium in circulation further, it is to avoid pass
The reduction of the cooling effect leading to when system technology high temperature medium back flow is in motor cavity, serves and is obviously improved cooling effect
Effect, the ingenious cooling water that make use of in cooling jacket of cooling of condenser coil is it may not be necessary to individually cool down condensate pans more simultaneously
Pipe, thus energy consumption is relatively low.
Brief description
Fig. 1 is a kind of principle schematic diagram. of high temperature modification shielded electric pump of the present invention.
Specific embodiment
Below according to drawings and Examples, the present invention is described in further detail.
As shown in figure 1, a kind of high temperature modification shielded electric pump described in the embodiment of the present invention, including casing 1, stator 2 and rotor
3, rotor 3 is installed by the front-end bearing pedestal 4 and rear bearing block 5 being arranged on casing 1 two ends, and stator 2 is coaxially set in casing 1,
The end that rotor 3 protrudes out front-end bearing pedestal 4 is fixedly connected with impeller 6, is covered with the pump housing sealing fixation with casing 1 outside impeller 6
7, the side of the pump housing 7 is provided with the import 71 connecting with the pump chamber 7a of the pump housing 7, and the upper end of the pump housing 7 is provided with the pump chamber 7a company with the pump housing 7
Logical outlet 72, is provided with air gap channel 8 between stator 2 and rotor 3.
Meanwhile, it is communicated with air gap channel 8 and pump chamber between the advancing slip dynamic bearing 41 installed in front-end bearing pedestal 4 and rotor 3
The loop exit 9 of 7a, front-end bearing pedestal 4 is provided with the first circulation pipeline 10 connecting with loop exit 9.
Meanwhile, the position fixation of the corresponding stator 2 of the outer wall of casing 1 is arranged with cooling jacket 11, and cooling jacket 11 has cold
But water inlet 11a and coolant outlet 11b, contains condenser coil 12 in cooling jacket 11, condenser coil 12 sets around casing 1
Put, condenser coil 12 has the material channel 12a of hollow, wherein one end of condenser coil 12 is connected with first circulation pipeline 10.
In order to prevent blocking, between the rear sliding bearing 51 installed in rear bearing block 5 and rotor 3, it is provided with first circulation import
13, it is provided with second circulation import 14 in the end of sliding bearing 51 after rotor 3 is corresponding, first circulation import 13, second circulation are entered
Mouth 14 is respectively communicated with air gap channel 8；
Rear bearing block 5 is externally provided with the second circulation pipeline being connected with first circulation import 13 and second circulation import 14
15, second circulation pipeline 15 is connected with the other end of condenser coil 12.
There is between impeller 6 and front-end bearing pedestal 4 installation gap 16, gap 16 is installed and connects with pump chamber 7a and loop exit 9.
In order to prevent blocking, in front-end bearing pedestal 4, it is additionally provided with the bypass passage 17 of connection pump chamber 7a and loop exit 9.
Rotor 3 is respectively equipped with thrust disc 18 near the relative inner of advancing slip dynamic bearing 41 and rear sliding bearing 51.
The originating port of second circulation import 14 is located on the side end face of rotor 3, the outlet setting of second circulation import 14
On the outside cylinder side wall of rotor 3.This outlet is two, is symmetrically arranged on rotor 3.
High-temperature medium, during flowing, particularly during circulation, easily produces bubble, if arranging not in time
Go out, often aggravate the abrasion of bearing, reduce service life.Discharge bubble, second circulation pipeline 15 row of being provided with for convenience
Air valve 19.
Second circulation pipeline 15 includes the first arm 151 being connected with rear bearing block 5 and be connected with condenser coil 12
Two arms 152, air bleeding valve 19 is arranged between the first arm 151 and the second arm 152.First arm 151 is arranged straight up,
Second arm 152 is horizontally disposed with, and air bleeding valve 19 is arranged on the corner location that the first arm 151 and the second arm 152 are formed.
Front-end bearing pedestal 4 and rear bearing block 5 are tightly connected with casing 1.
The flow direction of high-temperature medium：
Primary flow path：Enter pump chamber 7a from import 71, act on from outlet 72 outflow through impeller 6；
Closed circuit：Self installation gap 16 and bypass passage 17 enter, successively through first circulation pipeline 10, condenser coil
12nd, second circulation pipeline 15 enters motor cavity, then enters air gap channel 8 by first circulation import 13 and second circulation import 14,
Finally flow back to pump chamber 7a from loop exit 9.
The foregoing is only explanation embodiments of the present invention, be not limited to the present invention, for the technology of this area
For personnel, all any modification, equivalent substitution and improvement within the spirit and principles in the present invention, made etc., should be included in
Within protection scope of the present invention.
Claims (7)
1. a kind of high temperature modification shielded electric pump, including casing, stator and rotor, described rotor is by being arranged on the front axle at casing two ends
Bearing and rear bearing block are installed, and described stator is coaxially set in described casing, and described rotor protrudes out described front-end bearing pedestal
End is fixedly connected with impeller, is covered with the pump housing fixing with described casing sealing outside described impeller, and the side of the described pump housing sets
There is the import connecting with the pump chamber of the described pump housing, the upper end of the described pump housing is provided with the outlet connecting with the pump chamber of the pump housing, described fixed
Be provided with air gap channel between sub and described rotor it is characterised in that
It is communicated with described air gap channel and described pump between the advancing slip dynamic bearing installed in described front-end bearing pedestal and described rotor
The loop exit in chamber, described front-end bearing pedestal is provided with the first circulation pipeline connecting with described loop exit；
The position fixation of the corresponding described stator of the outer wall of described casing is arranged with cooling jacket, and described cooling jacket has cooling water
Import and coolant outlet, contain condenser coil in described cooling jacket, and described condenser coil is arranged around described casing, institute
State the material channel that condenser coil has hollow, wherein one end of described condenser coil and described first circulation pipeline connection；
It is provided with first circulation import, described rotor corresponds between the rear sliding bearing installed in described rear bearing block and described rotor
It is provided with second circulation import, described first circulation import, described second circulation import are respectively in the end of described rear sliding bearing
Connect described air gap channel；
Described rear bearing block is externally provided with the second circulation pipe being connected with described first circulation import and described second circulation import
Road, described second circulation pipeline is connected with the other end of described condenser coil；
Described second circulation pipeline is provided with air bleeding valve；
Described second circulation pipeline includes the first arm being connected with described rear bearing block and be connected with described condenser coil
Two arms, described air bleeding valve is arranged between described first arm and described second arm；
Described first arm is arranged straight up, and described second arm is horizontally disposed with, and described air bleeding valve is arranged on described first
Pipe and the corner location of described second arm formation.
2. high temperature modification shielded electric pump according to claim 1 is it is characterised in that between described impeller and described front-end bearing pedestal
There is installation gap, described installation gap is connected with described pump chamber and described loop exit.
3. high temperature modification shielded electric pump according to claim 1 is it is characterised in that be additionally provided with connection institute in described front-end bearing pedestal
State pump chamber and the bypass passage of described loop exit.
4. high temperature modification shielded electric pump according to claim 1 is it is characterised in that described rotor is near described advancing slip dynamic bearing
And the relative inner of described rear sliding bearing is respectively equipped with thrust disc.
5. high temperature modification shielded electric pump according to claim 1 is it is characterised in that the originating port of described second circulation import sets
On the side end face of described rotor, the outlet of described second circulation import is arranged on the outside cylinder side wall of described rotor.
6. high temperature modification shielded electric pump according to claim 5, it is characterised in that described outlet is two, is respectively symmetrically
It is arranged on described rotor.
7. high temperature modification shielded electric pump according to claim 1 is it is characterised in that described front-end bearing pedestal and described rear bearing block
It is connected with described casing sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410171825.XA CN103912504B (en) | 2014-04-25 | 2014-04-25 | High temperature canned motor pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410171825.XA CN103912504B (en) | 2014-04-25 | 2014-04-25 | High temperature canned motor pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103912504A CN103912504A (en) | 2014-07-09 |
| CN103912504B true CN103912504B (en) | 2017-02-15 |
Family
ID=51038433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410171825.XA Active CN103912504B (en) | 2014-04-25 | 2014-04-25 | High temperature canned motor pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103912504B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879325B (en) * | 2015-05-08 | 2018-02-27 | 江苏大学 | A kind of device for slowing down high-temperature-hot-water circulating pump heat fatigue using heat pipe |
| CN106160316A (en) * | 2016-07-12 | 2016-11-23 | 合肥新沪屏蔽泵有限公司 | Condensation-proof shielded electric pump |
| CN107152420A (en) * | 2017-05-25 | 2017-09-12 | 合肥皖化电泵有限公司 | A kind of Thermal generation unit high efficiency and heat radiation denitration pump |
| CN107575395A (en) * | 2017-09-22 | 2018-01-12 | 上海阿波罗智能装备科技有限公司 | Ship sea water pump |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2846826Y (en) * | 2005-11-07 | 2006-12-13 | 上海东方泵业(集团)有限公司 | High temperature type chemical shield electric pump |
| CN201650760U (en) * | 2010-01-29 | 2010-11-24 | 大连海密梯克泵业有限公司 | Shield pump for heat transfer oil |
| CN203394781U (en) * | 2013-06-17 | 2014-01-15 | 上海东方泵业(集团)有限公司 | Novel high-temperature water heating low-noise pipeline pump |
| CN203783907U (en) * | 2014-04-25 | 2014-08-20 | 无锡市安化屏蔽电泵厂 | High-temperature canned motor pump |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002130190A (en) * | 2000-10-19 | 2002-05-09 | Koyo Seiko Co Ltd | Motor-driven water pump device |
| JP2002257075A (en) * | 2001-02-26 | 2002-09-11 | Nikkiso Co Ltd | Canned motor pump |
-
2014
- 2014-04-25 CN CN201410171825.XA patent/CN103912504B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2846826Y (en) * | 2005-11-07 | 2006-12-13 | 上海东方泵业(集团)有限公司 | High temperature type chemical shield electric pump |
| CN201650760U (en) * | 2010-01-29 | 2010-11-24 | 大连海密梯克泵业有限公司 | Shield pump for heat transfer oil |
| CN203394781U (en) * | 2013-06-17 | 2014-01-15 | 上海东方泵业(集团)有限公司 | Novel high-temperature water heating low-noise pipeline pump |
| CN203783907U (en) * | 2014-04-25 | 2014-08-20 | 无锡市安化屏蔽电泵厂 | High-temperature canned motor pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103912504A (en) | 2014-07-09 |
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| C06 | Publication | ||
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191023 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 CANNED MOTOR PUMP FACTORY |
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| 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. |