CN209012080U - A kind of supplement heat rejecter circulator of furnace water pump - Google Patents
A kind of supplement heat rejecter circulator of furnace water pump Download PDFInfo
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- CN209012080U CN209012080U CN201821204808.1U CN201821204808U CN209012080U CN 209012080 U CN209012080 U CN 209012080U CN 201821204808 U CN201821204808 U CN 201821204808U CN 209012080 U CN209012080 U CN 209012080U
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Abstract
The utility model discloses a kind of supplement heat rejecter circulator of furnace water pump, including pump case, the top of the pump case is provided with connecting flange one, the pump case is fixedly connected by the connecting flange one with pipeline one, the side of the pump case is provided with connecting flange two, the pump case is fixedly connected by the connecting flange two with pipeline two, the bottom of the pump case is provided with electric machine casing, impeller and shaft are provided on the inside of the pump case, the impeller set is set in the shaft, the upper end of the shaft is provided with locking nut, the impeller is fixedly connected by the locking nut with the shaft, the lower inside of the electric machine casing is provided with placed cavity, stator is provided on the inside of the placed cavity, the bottom end of the shaft runs through the electric machine casing and extends to the inside of the stator.The utility model has the advantages that the winding of pump motor is protected not to be ruined, effectively extend the service life of equipment.
Description
Technical field
The utility model relates to furnace water pump technologies, it particularly relates to which a kind of supplement heat rejecter of furnace water pump recycles dress
It sets.
Background technique
Furnace water pump is the key equipment that large-scale generator factory forced circulation boiler operates normally, since furnace water pump directly participates in
The water of high temperature and pressure recycles, so boiler pump motor cannot be high with the high temperature of boiler by it using the method for conventional mechanical seal
Press water segregation.Boiler pump motor must be long-term submerged in water, and intracavitary water temperature over-high will lead to machine winding insulation and scorch,
So the rotor of boiler pump motor is per se with impeller, generating hydrodynamic force circulates the water inside boiler pump motor, through heat
Exchanger is taken away the heat that boiler pump motor itself generates by the heat of boiler high temperature pipeline, high temperature Water transport, guarantees furnace water
Pump motor works normally.However when furnace water pump is out of service, the heat of boiler high temperature transmitting is still remained, and boiler pump motor
Due to out of service, cooling water loses power and stops circulation, and heat can not take away, the temperature of boiler pump motor sharply on
It rises, it may occur that the winding insulation of furnace water pump such as is ruined at the accidents.More furnace water pumps can be composed in parallel one simultaneously by many power plants
A boiler water circulating system, wherein enabling other furnace water pumps does not influence to work when a furnace water pump breaks down, but its
When his furnace water pump operation, the heat transfer of part is also had into failure furnace water pump, leads to failure boiler pump motor winding insulation
It scorches.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Utility model content
For the problems in the relevant technologies, the utility model proposes a kind of supplement heat rejecter circulator of furnace water pump, with gram
Take above-mentioned technical problem present in existing the relevant technologies.
The technical solution of the utility model is achieved in that
A kind of supplement heat rejecter circulator of furnace water pump, including pump case, the top of the pump case are provided with connecting flange one,
The pump case is fixedly connected by the connecting flange one with pipeline one, and the side of the pump case is provided with connecting flange two, institute
It states pump case to be fixedly connected by the connecting flange two with pipeline two, the bottom of the pump case is provided with electric machine casing, the pump
Impeller and shaft are provided on the inside of shell, the impeller set is set in the shaft, and the upper end of the shaft is provided with locking screw
Mother, the impeller are fixedly connected by the locking nut with the shaft, and the lower inside of the electric machine casing, which is provided with, puts
Set chamber, be provided with stator on the inside of the placed cavity, the bottom end of the shaft through the electric machine casing and extend to it is described fixed
The inside of son, the shaft and the inner sleeve for being located at the stator are equipped with rotor, and the bottom of the placed cavity is provided with support frame,
Thrust bearing one, the bottom end that support frame as described above passes through the thrust bearing one and the shaft are provided in the middle part of support frame as described above
Be fixedly connected, the inside of the electric machine casing and be located at support frame as described above bottom be provided with heat-exchanging chamber, the heat-exchanging chamber
And the side of the pipeline two is provided with pipeline three, the top of the pipeline three is fixedly connected with the pipeline two, described
The side of heat-exchanging chamber and the separate pipeline three is provided with pipeline four, the top of the pipeline four and the fixed company of the pipeline one
It connects.
Further, the bottom of the pump case is provided with connecting flange three, the pump case by the connecting flange three with
The electric machine casing is fixedly connected.
Further, thrust bearing two, the thrust are respectively provided on the inside of the connecting flange three and the electric machine casing
Bearing two is sheathed in the shaft.
Further, it is provided with control valve on the pipeline three, is provided with water pump on the pipeline four.
Further, the bottom end of the electric machine casing is provided with connecting flange four, the bottom setting of the connecting flange four
There is sealing ring.
The utility model has the beneficial effects that not transported by the way that pipeline three and pipeline four are arranged on furnace water pump in furnace hydroelectric machine
When capable and cooling water pump breaks down, the water by flowing through pipeline three and pipeline four takes away the temperature of furnace hydroelectric machine, to avoid
The motor temperature of furnace water pump is excessively high, in cooling pump operation, pipeline three and pipeline four can be closed, to protect pump motor
Winding is not ruined, and effectively extends the service life of equipment.
In addition, pump case is solid by connecting flange three and electric machine casing by the way that the bottom of pump case is provided with connecting flange three
Fixed connection, so that connection is stronger；By being respectively provided with thrust bearing two, thrust on the inside of connecting flange three and electric machine casing
Bearing two is sheathed in shaft, so that kinetic energy loss reduces, reduces abrasion；By managing control valve is provided on pipeline three
It is provided with water pump on road four, is easy to implement circulating reflux；By the way that the bottom end of electric machine casing is provided with connecting flange four, connection method
The bottom of Lan Si is provided with sealing ring, is fixedly connected convenient for furnace water pump with external cooling pump.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram according to a kind of supplement heat rejecter circulator of furnace water pump of the utility model embodiment.
In figure:
1, pump case；2, connecting flange one；3, pipeline one；4, connecting flange two；5, pipeline two；6, electric machine casing；7, leaf
Wheel；8, shaft；9, locking nut；10, placed cavity；11, stator；12, rotor；13, support frame；14, thrust bearing one；15, hot
Switch room；16, pipeline three；17, pipeline four；18, connecting flange three；19, thrust bearing two；20, control valve.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art's every other embodiment obtained, all belongs to
In the range of the utility model protection.
Embodiment according to the present utility model provides a kind of supplement heat rejecter circulator of furnace water pump.
As shown in Figure 1, according to a kind of supplement heat rejecter circulator of furnace water pump of the utility model embodiment, including pump case
1, the top of the pump case 1 is provided with connecting flange 1, and the pump case 1 is fixed by the connecting flange 1 and pipeline 1
Connection, the side of the pump case 1 are provided with connecting flange 24, and the pump case 1 passes through the connecting flange 24 and pipeline 25
It is fixedly connected, the bottom of the pump case 1 is provided with electric machine casing 6, and the inside of the pump case 1 is provided with impeller 7 and shaft 8, institute
It states impeller 7 to be sheathed in the shaft 8, the upper end of the shaft 8 is provided with locking nut 9, and the impeller 7 passes through the locking
Nut 9 is fixedly connected with the shaft 8, and the lower inside of the electric machine casing 6 is provided with placed cavity 10, the placed cavity 10
Inside is provided with stator 11, and the bottom end of the shaft 8 runs through the electric machine casing 6 and extends to the inside of the stator 11, institute
It states shaft 8 and is equipped with rotor 12 positioned at the inner sleeve of the stator 11, the bottom of the placed cavity 10 is provided with support frame 13,
The middle part of support frame as described above 13 is provided with thrust bearing 1, and support frame as described above 13 passes through the thrust bearing 1 and described turn
The bottom end of axis 8 is fixedly connected, the inside of the electric machine casing 6 and be located at support frame as described above 13 bottom be provided with heat-exchanging chamber
15, the heat-exchanging chamber 15 and the side of the pipeline 25 is provided with pipeline 3 16, the top of the pipeline 3 16 and institute
It states pipeline 25 to be fixedly connected, the side of the heat-exchanging chamber 15 and the separate pipeline 3 16 is provided with pipeline 4 17, described
The top of pipeline 4 17 is fixedly connected with the pipeline 1.
With the aid of the technical scheme, by the way that pipeline 3 16 and pipeline 4 17 are arranged on furnace water pump, furnace hydroelectric machine not
When operation and cooling water pump break down, the water by flowing through pipeline 3 16 and pipeline 4 17 takes away the temperature of furnace hydroelectric machine,
To avoid the motor temperature of furnace water pump excessively high, in cooling pump operation, pipeline 3 16 and pipeline 4 17 can be closed, to protect
The winding of shield pump motor is not ruined, and effectively extends the service life of equipment.
In addition, pump case 1 passes through connecting flange 3 18 and motor by the way that the bottom of pump case 1 is provided with connecting flange 3 18
Shell 6 is fixedly connected, so that connection is stronger；By the way that the inside of connecting flange 3 18 and electric machine casing 6 is respectively provided with thrust
Bearing 2 19, thrust bearing 2 19 are sheathed in shaft 8, so that kinetic energy loss reduces, reduce abrasion；By pipeline 3 16
On be provided with control valve 20, be provided with water pump on pipeline 4 17, be easy to implement circulating reflux；Pass through the bottom end electric machine casing 6
It is provided with connecting flange four, the bottom of connecting flange four is provided with sealing ring, connects convenient for furnace water pump and external cooling pump are fixed
It connects.
In conclusion by means of the above-mentioned technical proposal of the utility model, by the way that 3 16 He of pipeline is arranged on furnace water pump
Pipeline 4 17, when furnace hydroelectric machine is not run and cooling water pump breaks down, by the water for flowing through pipeline 3 16 and pipeline 4 17
The temperature of furnace hydroelectric machine is taken away, to avoid the motor temperature of furnace water pump excessively high, in cooling pump operation, pipeline three can be closed
16 and pipeline 4 17, so that the winding of pump motor be protected not to be ruined, effectively extend the service life of equipment.
In addition, pump case 1 passes through connecting flange 3 18 and motor by the way that the bottom of pump case 1 is provided with connecting flange 3 18
Shell 6 is fixedly connected, so that connection is stronger；By the way that the inside of connecting flange 3 18 and electric machine casing 6 is respectively provided with thrust
Bearing 2 19, thrust bearing 2 19 are sheathed in shaft 8, so that kinetic energy loss reduces, reduce abrasion；By pipeline 3 16
On be provided with control valve 20, be provided with water pump on pipeline 4 17, be easy to implement circulating reflux；Pass through the bottom end electric machine casing 6
It is provided with connecting flange four, the bottom of connecting flange four is provided with sealing ring, connects convenient for furnace water pump and external cooling pump are fixed
It connects.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (5)
1. a kind of supplement heat rejecter circulator of furnace water pump, which is characterized in that including pump case (1), the top of the pump case (1) is set
It is equipped with connecting flange one (2), the pump case (1) is fixedly connected by the connecting flange one (2) with pipeline one (3), the pump
The side of shell (1) is provided with connecting flange two (4), and the pump case (1) is solid by the connecting flange two (4) and pipeline two (5)
Fixed connection, the bottom of the pump case (1) are provided with electric machine casing (6), and impeller (7) is provided on the inside of the pump case (1) and is turned
Axis (8), the impeller (7) are sheathed on the shaft (8), and the upper end of the shaft (8) is provided with locking nut (9), described
Impeller (7) is fixedly connected by the locking nut (9) with the shaft (8), the lower inside setting of the electric machine casing (6)
Have placed cavity (10), be provided with stator (11) on the inside of the placed cavity (10), the motor is run through in the bottom end of the shaft (8)
Shell (6) and the inside for extending to the stator (11), the shaft (8) and the inner sleeve for being located at the stator (11), which are equipped with, to be turned
Sub (12), the bottom of the placed cavity (10) are provided with support frame (13), and support frame as described above is provided with thrust axis in the middle part of (13)
One (14) are held, support frame as described above (13) is fixedly connected by the thrust bearing one (14) with the bottom end of the shaft (8), described
The inside of electric machine casing (6) and be located at support frame as described above (13) bottom be provided with heat-exchanging chamber (15), the heat-exchanging chamber
(15) and close to the side of the pipeline two (5) pipeline three (16), the top of the pipeline three (16) and the pipeline are provided with
Two (5) are fixedly connected, and the side of the heat-exchanging chamber (15) and the separate pipeline three (16) is provided with pipeline four (17), described
The top of pipeline four (17) is fixedly connected with the pipeline one (3).
2. a kind of supplement heat rejecter circulator of furnace water pump according to claim 1, which is characterized in that the pump case (1)
Bottom be provided with connecting flange three (18), the pump case (1) passes through the connecting flange three (18) and the electric machine casing (6)
It is fixedly connected.
3. a kind of supplement heat rejecter circulator of furnace water pump according to claim 2, which is characterized in that the connecting flange
Thrust bearing two (19) is respectively provided on the inside of three (18) and the electric machine casing (6), the thrust bearing two (19) is sheathed on
On the shaft (8).
4. a kind of supplement heat rejecter circulator of furnace water pump according to claim 1, which is characterized in that the pipeline three
(16) it is provided on control valve (20), is provided with water pump on the pipeline four (17).
5. a kind of supplement heat rejecter circulator of furnace water pump according to claim 1, which is characterized in that the electric machine casing
(6) bottom end is provided with connecting flange four, and the bottom of the connecting flange four is provided with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821204808.1U CN209012080U (en) | 2018-07-27 | 2018-07-27 | A kind of supplement heat rejecter circulator of furnace water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821204808.1U CN209012080U (en) | 2018-07-27 | 2018-07-27 | A kind of supplement heat rejecter circulator of furnace water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209012080U true CN209012080U (en) | 2019-06-21 |
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ID=66830342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821204808.1U Active CN209012080U (en) | 2018-07-27 | 2018-07-27 | A kind of supplement heat rejecter circulator of furnace water pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916072A (en) * | 2018-07-27 | 2018-11-30 | 合肥皖化电机技术开发有限责任公司 | A kind of supplement heat rejecter circulator of furnace water pump |
-
2018
- 2018-07-27 CN CN201821204808.1U patent/CN209012080U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916072A (en) * | 2018-07-27 | 2018-11-30 | 合肥皖化电机技术开发有限责任公司 | A kind of supplement heat rejecter circulator of furnace water pump |
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