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CN109798254A - A kind of boiler water circulating pump - Google Patents

A kind of boiler water circulating pump Download PDF

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Publication number
CN109798254A
CN109798254A CN201910025490.3A CN201910025490A CN109798254A CN 109798254 A CN109798254 A CN 109798254A CN 201910025490 A CN201910025490 A CN 201910025490A CN 109798254 A CN109798254 A CN 109798254A
Authority
CN
China
Prior art keywords
electric machine
main shaft
motor casing
machine main
stator
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
Application number
CN201910025490.3A
Other languages
Chinese (zh)
Inventor
阮明伟
夏永忠
吉志凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Taifeng Pump Co Ltd
Original Assignee
Jiangsu Taifeng Pump Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Taifeng Pump Co Ltd filed Critical Jiangsu Taifeng Pump Co Ltd
Priority to CN201910025490.3A priority Critical patent/CN109798254A/en
Publication of CN109798254A publication Critical patent/CN109798254A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a kind of boiler water circulating pumps, including pump case (1), impeller (2), pump side guide bearing (3), motor casing (4), electric machine main shaft (5), motor stator (6), stator rotor (7), stator winding (8), lid side guide bearing (9), lifting force block (10), lower thrust block (11), thrust disc (12), conductive head (13), junction box (14) and lower cover (15), furnace water inlet end (16) and furnace water outlet end (17) are respectively equipped on pump case, diffuser (18) and the impeller set on diffuser lower end are equipped in pump case cavity, pump case bottom is adapted to connection with motor casing one end, electric machine main shaft is arranged in motor casing cavity, electric machine main shaft one end and impeller are sequentially connected, the electric machine main shaft other end is equipped with lid side guide bearing, it is also set below the guide bearing of lid side There is thrust disc.The present invention uses boiler water circulating pump, and reasonable in design, using effect is good.

Description

A kind of boiler water circulating pump
Technical field
The present invention relates to no axle envelope special type water pump technologies, and in particular to a kind of boiler water circulating pump.
Background technique
Boiler water circulating pump is a kind of no axle envelope special type water pump that high temperature and pressure is born in boiler system, is generally used for forcing to follow In the system of ring oven, once-through cycle furnace and controlled circulating boiler, because having had many advantages, such as that machine is fast, control is flexible.Existing furnace water For circulating pump there are unreasonable structural design, using effect is poor.Therefore, those skilled in the art are needed and develop a kind of new furnace water Circulating pump.
Summary of the invention
The purpose of the present invention is to solve above-mentioned the deficiencies in the prior art, provide a kind of boiler water circulating pump.
In order to achieve the above object of the invention, technical solution provided by the invention is as follows: a kind of boiler water circulating pump, including pump Shell, pump side guide bearing, motor casing, electric machine main shaft, motor stator, stator rotor, stator winding, lid side guide bearing, above pushes away impeller Power block, lower thrust block, thrust disc, conductive head, junction box and lower cover are respectively arranged with furnace water inlet end and furnace on the pump case Water outlet end is provided with diffuser in the pump case cavity and is set to the impeller of diffuser lower end, the pump case bottom with The adaptation connection of motor casing one end, the electric machine main shaft are arranged in motor casing cavity, and described electric machine main shaft one end and impeller are driven Connection, the electric machine main shaft other end is provided with lid side guide bearing, is additionally provided with thrust disc below the guide bearing of the lid side, described Thrust disc upper and lower ends are respectively arranged with lifting force block and lower thrust block, be additionally provided on the electric machine main shaft pump side guide bearing and Stator rotor, the stator rotor outside are provided with motor stator, stator winding, the electricity are additionally provided on the motor stator The casing other end is provided with lower cover, and the motor casing lower end outside is additionally provided with junction box, is connected with and leads on the junction box Dateline, the conductive head one end passes through motor casing and stator winding is electrically connected.
Preferably, the pump case, impeller, motor casing and lower cover are that stainless steel material is made.
Preferably, the impeller uses enclosed or half-opened impeller.
Based on the above-mentioned technical proposal, of the invention that there is following technological merit compared with prior art:
The present invention uses boiler water circulating pump, is respectively arranged with furnace water inlet end and furnace water outlet end on pump case, sets in pump case cavity It is equipped with diffuser and is set to the impeller of diffuser lower end, pump case bottom is adapted to connection with motor casing one end, and electric machine main shaft is worn In motor casing cavity, electric machine main shaft one end and impeller are sequentially connected, and the electric machine main shaft other end is provided with lid side guide bearing, cover It is additionally provided with thrust disc below the guide bearing of side, thrust disc upper and lower ends are respectively arranged with lifting force block and lower thrust block, motor master It is additionally provided with pump side guide bearing and stator rotor on axis, is provided with motor stator on the outside of stator rotor, is also set up on motor stator There is stator winding, the motor casing other end is provided with lower cover, and motor casing lower end outside is additionally provided with junction box, connects on junction box There is conductive head, conductive head one end passes through motor casing and stator winding is electrically connected, and it is reasonable in design, it is compact-sized, it uses Effect is good, long service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of boiler water circulating pump of the present invention.
In figure: 1. pump cases, 2. impellers, 3. pump side guide bearings, 4. motor casings, 5. electric machine main shafts, 6. motor stators, 7. stators Rotor, 8. stator winding, 9. lid side guide bearings, 10. lifting force blocks, 11. lower thrust blocks, 12. thrust discs, 13. conductive heads, 14. Junction box, 15. lower covers, 16. furnace water inlet ends, 17. furnace water outlet ends, 18. diffusers.
Specific embodiment
Explanation that the present invention will be further explained with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of boiler water circulating pump, including pump case 1, impeller 2, pump side guide bearing 3, motor casing 4, electric machine main shaft 5, motor stator 6, stator rotor 7, stator winding 8, lid side guide bearing 9, lifting force block 10, lower thrust block 11, thrust disc 12, lead Dateline 13, junction box 14 and lower cover 15 are respectively arranged with furnace water inlet end 16 and furnace water outlet end 17, institute on the pump case 1 State the impeller 2 for being provided with diffuser 18 in 1 cavity of pump case and being set to 18 lower end of diffuser, 1 bottom of pump case and motor The adaptation connection of 4 one end of shell, the electric machine main shaft 5 are arranged in 4 cavity of motor casing, and described 5 one end of electric machine main shaft and impeller 2 are driven Connection, 5 other end of electric machine main shaft are provided with lid side guide bearing 9, are additionally provided with thrust disc below lid side guide bearing 9 12,12 upper and lower ends of thrust disc are respectively arranged with lifting force block 10 and lower thrust block 11, also set up on the electric machine main shaft 5 There are pump side guide bearing 3 and stator rotor 7, motor stator 6 is provided on the outside of the stator rotor 7, is also set on the motor stator 6 It is equipped with stator winding 8,4 other end of motor casing is provided with lower cover 15, and 4 lower end outside of motor casing is additionally provided with wiring Case 14, conductive head 13 is connected on the junction box 14, and 13 one end of conductive head passes through 8 electricity of motor casing 4 and stator winding Property connection.
The pump case 1, impeller 2, motor casing 4 and lower cover 15 are that stainless steel material is made.The impeller 2 uses enclosed Or half-opened impeller.
Above content is example and explanation of the invention, but does not mean that the obtainable advantage of the present invention is so limited, all It is wherein one the advantages of may being realized in simple transformation, and/or some embodiments to structure in practice process of the present invention It is a or it is multiple within the scope of protection of this application.

Claims (3)

1. a kind of boiler water circulating pump, it is characterised in that: including pump case (1), impeller (2), pump side guide bearing (3), motor casing (4), Electric machine main shaft (5), motor stator (6), stator rotor (7), stator winding (8), lid side guide bearing (9), lifting force block (10), under Thrust block pad (11), thrust disc (12), conductive head (13), junction box (14) and lower cover (15) are respectively set on the pump case (1) There are furnace water inlet end (16) and furnace water outlet end (17), is provided with diffuser (18) in pump case (1) cavity and is set to The impeller (2) of diffuser (18) lower end, pump case (1) bottom are adapted to connection, the electric machine main shaft with motor casing (4) one end (5) it is arranged in motor casing (4) cavity, described electric machine main shaft (5) one end and impeller (2) are sequentially connected, the electric machine main shaft (5) The other end is provided with lid side guide bearing (9), is additionally provided with thrust disc (12), the thrust disc below lid side guide bearing (9) (12) upper and lower ends are respectively arranged with lifting force block (10) and lower thrust block (11), are additionally provided with pump on the electric machine main shaft (5) Side guide bearing (3) and stator rotor (7), stator rotor (7) outside are provided with motor stator (6), the motor stator (6) On be additionally provided with stator winding (8), motor casing (4) other end is provided with lower cover (15), outside motor casing (4) lower end Side is additionally provided with junction box (14), is connected with conductive head (13) on the junction box (14), and conductive head (13) one end is worn Motor casing (4) and stator winding (8) are crossed to be electrically connected.
2. boiler water circulating pump according to claim 1, it is characterised in that: the pump case (1), impeller (2), motor casing (4) It is that stainless steel material is made with lower cover (15).
3. boiler water circulating pump according to claim 1, it is characterised in that: the impeller (2) uses enclosed or semi-open type leaf Wheel.
CN201910025490.3A 2019-01-11 2019-01-11 A kind of boiler water circulating pump Pending CN109798254A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910025490.3A CN109798254A (en) 2019-01-11 2019-01-11 A kind of boiler water circulating pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910025490.3A CN109798254A (en) 2019-01-11 2019-01-11 A kind of boiler water circulating pump

Publications (1)

Publication Number Publication Date
CN109798254A true CN109798254A (en) 2019-05-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910025490.3A Pending CN109798254A (en) 2019-01-11 2019-01-11 A kind of boiler water circulating pump

Country Status (1)

Country Link
CN (1) CN109798254A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111503041A (en) * 2019-12-21 2020-08-07 合肥皖化电机技术开发有限责任公司 Radial bearing structure of furnace water circulating pump
CN111608921A (en) * 2019-12-19 2020-09-01 合肥皖化电泵有限公司 Multiple cooling furnace water pump

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08170801A (en) * 1994-12-16 1996-07-02 Babcock Hitachi Kk Vertical type exhaust heat boiler
JP2000154901A (en) * 1998-11-18 2000-06-06 Babcock Hitachi Kk Gas vertical flow natural circulation exhaust heat recovery boiler
CN203214427U (en) * 2013-02-28 2013-09-25 沈观耕 Boiler water circulating pump with inlet-outlet mechanism
CN203926156U (en) * 2014-05-22 2014-11-05 山东电力建设第三工程公司 A kind of boiler water circulating pump

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08170801A (en) * 1994-12-16 1996-07-02 Babcock Hitachi Kk Vertical type exhaust heat boiler
JP2000154901A (en) * 1998-11-18 2000-06-06 Babcock Hitachi Kk Gas vertical flow natural circulation exhaust heat recovery boiler
CN203214427U (en) * 2013-02-28 2013-09-25 沈观耕 Boiler water circulating pump with inlet-outlet mechanism
CN203926156U (en) * 2014-05-22 2014-11-05 山东电力建设第三工程公司 A kind of boiler water circulating pump

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
姚荣祥: "《炉水循环泵电机结构和故障分析》", 18 January 2014 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111608921A (en) * 2019-12-19 2020-09-01 合肥皖化电泵有限公司 Multiple cooling furnace water pump
CN111503041A (en) * 2019-12-21 2020-08-07 合肥皖化电机技术开发有限责任公司 Radial bearing structure of furnace water circulating pump

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Application publication date: 20190524