CN202531384U - Coaxial arrangement structure of boiler feedwater booster pump and steam feed pump group - Google Patents
Coaxial arrangement structure of boiler feedwater booster pump and steam feed pump group Download PDFInfo
- Publication number
- CN202531384U CN202531384U CN2012201430376U CN201220143037U CN202531384U CN 202531384 U CN202531384 U CN 202531384U CN 2012201430376 U CN2012201430376 U CN 2012201430376U CN 201220143037 U CN201220143037 U CN 201220143037U CN 202531384 U CN202531384 U CN 202531384U
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- boiler
- pump
- feed pump
- steam
- boiler feed
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Abstract
The utility model discloses a coaxial arrangement structure of a boiler feedwater booster pump and a steam feed pump group, and the coaxial arrangement structure can be used for saving the auxiliary power, increasing the external power supply of a unit and saving the consumption and installation cost of middle and low voltage water supply pipelines. The structure is arranged on the operation layer of a steam engine, the steam engine travels to overhaul the equipment, so that the overhaul and maintenance are more convenient. The coaxial arrangement structure comprises the boiler feedwater booster pump and the boiler steam feed pump group which is coaxial with the boiler feedwaeter booster pump, the boiler feedwater booster pump is driven by a boiler feedwater pump steam turbine through a change speed gear box, the boiler feedwater booster pump and the boiler steam feed pump group are taken as a whole to be integrated on the operation layer of the steam engine.
Description
Technical field
The utility model relates to a kind of boiler feed water front-mounted pump and steam feed pump group coaxial arrangement structure.
Background technique
At present in the thermal power plant; Boiler feed water front-mounted pump and boiler steam feed pump group coaxial arrangement through Driven by Coaxial after the speed-change gear box speed change, can significantly be practiced thrift station service by boiler feed pump turbine; Improve the external delivery of unit; In can saving simultaneously, low pressure feed water pipeline consumptive material and mounting cost, be arranged on the steam turbine building firing floor, can conveniently overhaul and safeguard.And the speed-change gear box that increases in this structure compares with motor with conventional pre-driver, and investment cost is on the low side.
In the present thermal power plant, the boiler feed water front-mounted pump is driven by independent motor, is arranged in the bottom of deaerator bay.Boiler steam feed pump group and unit steam turbine generator are arranged in parallel in the steam turbine building firing floor.The boiler feed water front-mounted pump arranges that at the deaerator bay bottom equipment occupation space is relatively large; Boiler feed water front-mounted pump and boiler steam feed pump component are opened layout, in, the low pressure feed water pipeline is long, causes material, installation and maintenance cost to increase, pipeline internal medium is big along the journey flow losses; The boiler feed water front-mounted pump is driven by individual motor, and station service power consumption rate increases, and reduces the external delivery of unit; The deaerator bay bottom need be set up the maintenance lifting facility of boiler feed water front-mounted pump in addition, increase investment, and maintenance is inconvenient.
The model utility content
The purpose of the utility model is exactly for addressing the above problem; A kind of boiler feed water front-mounted pump and steam feed pump group coaxial arrangement structure are provided; Can practice thrift station service, increase the external delivery of unit, in the saving, low pressure feed water pipeline consumptive material and mounting cost; Be arranged on the steam turbine building firing floor, can conveniently overhaul and safeguard.
For realizing above-mentioned purpose, the utility model adopts following technical proposals:
A kind of boiler feed water front-mounted pump and steam feed pump group coaxial arrangement structure; It comprises the boiler feed water front-mounted pump and the boiler steam feed pump group of coaxial arrangement with it; The boiler feed water front-mounted pump is driven by boiler feed pump turbine through speed-change gear box, and boiler steam feed pump group is made as a whole collection and is contained in the steam turbine building firing floor.
Said boiler steam feed pump group comprises boiler feed pump turbine and boiler feed pump; Boiler feed pump is driven by boiler feed pump turbine; The boiler feed pump steamer also connects with speed-change gear box through coupling, through driving the boiler feed water front-mounted pump after the speed-change gear box speed change simultaneously.
The beneficial effect of the utility model is: adopt said structure, integral arrangement is succinct, and form is attractive in appearance, saves pipeline associated materials consumption, and easy access is safeguarded, reduces investment and station service power consumption rate, improves the external delivery of unit.
Description of drawings
Fig. 1 is boiler feed water front-mounted pump and boiler steam feed pump group coaxial arrangement structural plan layout plan;
Fig. 2 is boiler feed water front-mounted pump and boiler steam feed pump group coaxial arrangement structure facade layout plan.
Wherein, 1. boiler feed pump, 2. boiler feed pump turbine, 3. speed-change gear box, 4. boiler feed water front-mounted pump.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Among Fig. 1, Fig. 2; It comprises the boiler feed water front-mounted pump 4 and the boiler steam feed pump group of coaxial arrangement with it; Boiler feed water front-mounted pump 4 is driven by boiler feed pump turbine 2 through speed-change gear box 3, makes as a whole collection with boiler steam feed pump group and is contained in the steam turbine building firing floor.
Boiler steam feed pump group comprises boiler feed pump turbine 2 and boiler feed pump 1; Boiler feed pump 1 is driven by boiler feed pump turbine 2; Boiler feed pump steamer 2 also connects with speed-change gear box 3 through coupling, and boiler feed pump turbine 2 is through speed-change gear box 3 speed change rear driving boiler feed water front-mounted pumps 4.
The utility model with boiler feed water front-mounted pump 4 and boiler steam feed pump group coaxial arrangement on the steam turbine building firing floor; Significantly reduced low pressure feed water and middle pressure the feedwater the pipeline consumptive material, reduced the boiler feed water front-mounted pump maintenance lifting appliance expense, installation and maintenance cost, saved main factory space hold amount; Reduce simultaneously the linear loss of water supply system pipeline to a certain extent; Energy-saving effect is obvious, greatly facilitates operating maintenance.
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified.
Shown in Fig. 1-2, the device of a kind of boiler feed water front-mounted pump and steam feed pump group coaxial arrangement comprises boiler feed water front-mounted pump 4, speed-change gear box 3, boiler feed pump turbine 2 and boiler feed pump 1.It is characterized in that: the boiler feed water front-mounted pump of unit is driven by boiler feed pump turbine through speed-change gear box simultaneously, makees as a whole collection with boiler steam feed pump group and is contained in the steam turbine building firing floor.
Boiler feed water front-mounted pump and boiler feed pump coaxial arrangement are on the steam turbine building firing floor; Low pressure feed water (being exported to the feedwater piping of boiler feed water front-mounted pump inlet by deaerator feedwater) and middle pressure feedwater piping (being exported to the feedwater piping of boiler feed water pump intake by the boiler feed water front-mounted pump) length have effectively been shortened; The tube metal consumptive material that reduces, the installation of pipeline and maintenance cost.Boiler feed pump is arranged in the steam turbine building firing floor simultaneously, can directly utilize steam turbine building driving lifting during maintenance, convenient maintenance and maintenance.
Adopt this model utility structure, can make the boiler feed-water pump integral arrangement succinct, form smoothness attractive in appearance; Help the unified maintenance of equipment at firing floor; Press feedwater piping material and low pressure feed water pipeline material in the saving, save station service, improve the external delivery of unit; And then reduced the investment and the operation and maintenance cost of engineering, reach energy saving purposes.
Claims (2)
1. boiler feed water front-mounted pump and steam feed pump group coaxial arrangement structure; It is characterized in that; It comprises the boiler feed water front-mounted pump and the boiler steam feed pump group of coaxial arrangement with it; The boiler feed water front-mounted pump is driven by boiler feed pump turbine through speed-change gear box, makes as a whole collection with boiler steam feed pump group and is contained in the steam turbine building firing floor.
2. boiler feed water front-mounted pump as claimed in claim 1 and steam feed pump group coaxial arrangement structure; It is characterized in that; Said boiler steam feed pump group comprises boiler feed pump turbine and boiler feed pump; Boiler feed pump is driven by boiler feed pump turbine, and the boiler feed pump steamer also connects with speed-change gear box through coupling, and through speed-change gear box speed change rear driving boiler feed water front-mounted pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201430376U CN202531384U (en) | 2012-04-06 | 2012-04-06 | Coaxial arrangement structure of boiler feedwater booster pump and steam feed pump group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201430376U CN202531384U (en) | 2012-04-06 | 2012-04-06 | Coaxial arrangement structure of boiler feedwater booster pump and steam feed pump group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202531384U true CN202531384U (en) | 2012-11-14 |
Family
ID=47132573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201430376U Expired - Lifetime CN202531384U (en) | 2012-04-06 | 2012-04-06 | Coaxial arrangement structure of boiler feedwater booster pump and steam feed pump group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202531384U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175246A (en) * | 2013-04-22 | 2013-06-26 | 赵向龙 | Thermal power circulating pump of heating station |
| CN103352823A (en) * | 2013-08-02 | 2013-10-16 | 山东电力工程咨询院有限公司 | Novel comprehensive driving system and method for feed pump and front-mounted pump |
| CN103397917A (en) * | 2013-08-13 | 2013-11-20 | 中国电力工程顾问集团华东电力设计院 | Back-pressure car driving water-feeding pump system and method adopting variable-frequency power generator for speed regulation |
| CN104405612A (en) * | 2014-11-14 | 2015-03-11 | 神华集团有限责任公司 | Boiler and feed pump system thereof |
-
2012
- 2012-04-06 CN CN2012201430376U patent/CN202531384U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175246A (en) * | 2013-04-22 | 2013-06-26 | 赵向龙 | Thermal power circulating pump of heating station |
| CN103175246B (en) * | 2013-04-22 | 2015-08-12 | 赵向龙 | The thermal substation thermal power circulatory system |
| CN103352823A (en) * | 2013-08-02 | 2013-10-16 | 山东电力工程咨询院有限公司 | Novel comprehensive driving system and method for feed pump and front-mounted pump |
| CN103352823B (en) * | 2013-08-02 | 2015-08-05 | 山东电力工程咨询院有限公司 | The Novel integrated drive system of feed water pump and front-mounted pump and method |
| CN103397917A (en) * | 2013-08-13 | 2013-11-20 | 中国电力工程顾问集团华东电力设计院 | Back-pressure car driving water-feeding pump system and method adopting variable-frequency power generator for speed regulation |
| CN104405612A (en) * | 2014-11-14 | 2015-03-11 | 神华集团有限责任公司 | Boiler and feed pump system thereof |
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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: 20121114 |