CN204060827U - A kind of generator set low pressure cylinder spray system - Google Patents
A kind of generator set low pressure cylinder spray system Download PDFInfo
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- CN204060827U CN204060827U CN201420442774.5U CN201420442774U CN204060827U CN 204060827 U CN204060827 U CN 204060827U CN 201420442774 U CN201420442774 U CN 201420442774U CN 204060827 U CN204060827 U CN 204060827U
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- water
- spray
- low pressure
- cylinder
- generator set
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- 239000007921 spray Substances 0.000 title claims abstract description 175
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 217
- 238000009833 condensation Methods 0.000 claims abstract description 31
- 230000005494 condensation Effects 0.000 claims abstract description 31
- 238000001816 cooling Methods 0.000 claims abstract description 30
- 238000000889 atomisation Methods 0.000 claims abstract description 21
- 238000005507 spraying Methods 0.000 claims abstract description 4
- 238000010612 desalination reaction Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 abstract description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 abstract description 4
- 239000001301 oxygen Substances 0.000 abstract description 4
- 239000000498 cooling water Substances 0.000 description 6
- 239000008400 supply water Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006392 deoxygenation reaction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Special Spraying Apparatus (AREA)
Abstract
The utility model discloses a kind of generator set low pressure cylinder spray system, described generator set low pressure cylinder spray system comprises: water pump, connecting tube and for the water spray projector system (9) to low pressure (LP) cylinder (1) spray cooling, described water pump is connected with described water spray projector system (9) by connecting tube, it is characterized in that, described water spray projector system (9) comprises the atomization spray cap (11) for spraying water towards described low pressure (LP) cylinder (1).Above-mentioned generator set low pressure cylinder spray system adopts atomization spray cap (11) to low pressure (LP) cylinder (1) spray cooling, effectively improve the cooling effect to low pressure (LP) cylinder (1), reduce unit back pressuce, and reduce the dissolved oxygen of unit water of condensation, improve the operational efficiency of generator set and the stability of operation.
Description
Technical field
The utility model relates to a kind of generator set low pressure cylinder spray system.
Background technique
In the prior art, the water of condensation that the generator set low pressure (LP) cylinder of power station is sprayed to low pressure (LP) cylinder by the cooling line of water spray system is lowered the temperature to low pressure (LP) cylinder.Water of condensation is that water column shape is ejected on low pressure (LP) cylinder by cooling line, because condensing water temperature is at about 60 degree, and water column projected area is limited, therefore, the non-constant of the cooling effect of existing water spray system to low temperature cylinder, increases the load of generator set cooling system, especially during the broiling summer, cooling system often cannot meet user demand, causes generator set working efficiency reduce and easily occur safety problem.
Therefore, wish that a kind of generator set low pressure cylinder spray system with better cooling effect overcomes or at least alleviates the above-mentioned defect of prior art.
Model utility content
The purpose of this utility model is to provide a kind of generator set low pressure cylinder spray system, and this generator set low pressure cylinder spray system effectively can improve the cooling effect of water spray system to low pressure (LP) cylinder.
To achieve these goals, the utility model provides a kind of generator set low pressure cylinder spray system, described generator set low pressure cylinder spray system comprises: water pump, connecting tube and for the water spray projector system to low pressure cylinder spray cooling, described water pump is connected with described water spray projector system by connecting tube, and described water spray projector system comprises for the atomization spray cap towards described low pressure cylinder spray.
Preferably, described water pump comprises desalination water pump and condensate pump, described connecting tube comprises demineralized water connecting tube and water of condensation connecting tube, described desalination water pump is connected with described water spray projector system by described demineralized water connecting tube, described demineralized water connecting tube is provided with the first stop valve, described condensate pump is connected with described water spray projector system by described water of condensation connecting tube, and described water of condensation connecting tube is provided with the second stop valve.
Preferably, described demineralized water connecting tube has the first branch road and the second branch road, described first branch road is connected to generator set circulation water route, described first branch road is provided with the first subcircuit disables valve, described second branch road is connected with described water spray projector system, described second branch road is provided with the second subcircuit disables valve.
Preferably, described second branch road is provided with modulating valve.
Preferably, described second branch road is also connected to described generator set circulation water route.
Preferably, described water spray projector system comprises the first water spray district and the second water spray district, and the both sides that described first water spray district and the second water spray district are separately positioned on described low pressure (LP) cylinder are with respectively from low pressure cylinder spray described in two side direction of described low pressure (LP) cylinder.
Preferably, described water spray projector system comprises the 3rd water spray district further, and described 3rd water spray district is around the setting at least partially of described low pressure (LP) cylinder outer circumferential face.
Preferably, described first water spray district, the second water spray district and the 3rd water spray district are evenly distributed with multiple described atomization spray cap.
Preferably, the spray shapes of described atomization spray cap is circular.
Pass through technique scheme, water spray system passes through the atomization spray cap of water spray projector system to low pressure cylinder spray cooling, effectively improve the cooling effect to low pressure (LP) cylinder, and the water of condensation of about be used in prior art cooling 60 degree is replaced with the demineralized water of about 20 degree, further increase cooling effect, reduce unit back pressuce, and, adopt atomization spray cap can reduce the dissolved oxygen of unit water of condensation to low pressure cylinder spray cooling, improve the operational efficiency of generator set and the stability of operation.
Other feature and advantage of the present utility model are described in detail in embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for specification, is used from explanation the utility model, but does not form restriction of the present utility model with embodiment one below.In the accompanying drawings:
Fig. 1 is the schematic diagram of the generator set low pressure cylinder spray system according to the utility model one mode of execution.
Fig. 2 is the partial sectional view of the low pressure cylinder spray of generator set shown in Fig. 1 system.
Description of reference numerals
1 low pressure (LP) cylinder; 2 condensate pumps; 3 second stop valves; 4 circulation waterways; 5 water of condensation connecting tubes; 6 desalination water pumps; 7 filter screens; 8 demineralized water connecting tubes; 81 second branch roads; 811 second branch road circulating water branch roads; 812 second branch road water spray branch roads; 82 first branch roads; 9 water spray projector systems; 10 generator unit shells; 11 atomization spray caps; 12 first stop valves; 13 first subcircuit disables valves; 14 second subcircuit disables valves; 15 the 3rd stop valves; 16 the 4th stop valves; 17 the 5th stop valves; 18 the 6th stop valves; 19 the 7th stop valves; 20 modulating valve.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
In the utility model, when not doing contrary explanation, the noun of locality such as " upper and lower, left and right " of use typically refers to the upper and lower, left and right as shown in accompanying drawing.
Fig. 1 is the schematic diagram of the generator set low pressure cylinder spray system according to the utility model one mode of execution.Fig. 2 is the partial sectional view of the low pressure cylinder spray of generator set shown in Fig. 1 system.
The utility model provides a kind of generator set low pressure cylinder spray system, described generator set low pressure cylinder spray system comprises: water pump, connecting tube and for the water spray projector system 9 to low pressure (LP) cylinder 1 spray cooling, described water pump is connected with water spray projector system 9 by connecting tube, wherein, water spray projector system 9 comprises the atomization spray cap 11 for spraying water towards low pressure (LP) cylinder 1.
Pass through technique scheme, water pump is supplied water to water spray projector system 9 by connecting tube, cooling water by the atomization spray cap 11 of water spray projector system 9 to low pressure (LP) cylinder 1 spray cooling, improve the projected area of cooling water, effectively improve the cooling effect to low pressure (LP) cylinder 1, reduce unit back pressuce, and, atomization spray cap 11 can carry out deoxygenation to cooling water, adopts atomization spray cap 11 can reduce the dissolved oxygen of unit water of condensation to low pressure (LP) cylinder 1 spray cooling, improves the operational efficiency of generator set and the stability of operation.
Described water pump can select the water pump be suitable for, and the quantity of described water pump can be one or more, can arrange quantity and the model of required water pump according to actual needs, meet the water requirements of water spray projector system 9.
Preferably, described water pump comprises desalination water pump 6 and condensate pump 2, described connecting tube comprises demineralized water connecting tube 8 and water of condensation connecting tube 5, desalination water pump 6 is connected with water spray projector system 9 by demineralized water connecting tube 8, demineralized water connecting tube 8 is provided with the first stop valve 12, condensate pump 2 is connected with water spray projector system 9 by water of condensation connecting tube 5, water of condensation connecting tube 5 is provided with the second stop valve 3.
In tradition, mostly the cooling water of low pressure (LP) cylinder 1 is to adopt water of condensation, but the temperature of water of condensation is at about 60 degree, and cooling effect is poor.According to embodiment of the present utility model, desalination water pump water supply system is set in generator set low pressure cylinder spray system and carries demineralized water to water spray projector system 9, described demineralized water water system comprises desalination water pump 6 and demineralized water connecting tube 8, the temperature of demineralized water, at about 20 degree, effectively can improve generator set low pressure cylinder spray system to the cooling effect of low pressure (LP) cylinder 1.Meanwhile, also retains water of condensation water system in system, described water of condensation water system comprises condensate pump 2 and water of condensation connecting tube 5, when demineralized water water system breaks down, supplies water to water spray projector system 9 by water of condensation water system.
Water of condensation is unit cycling use of water, has impurity unavoidably, therefore, water of condensation connecting tube 5 is provided with the impurity that filter screen 7 comes in elimination water of condensation.In the shown embodiment, water of condensation connecting tube 5 is provided with the 6th stop valve 18 and the 7th stop valve 19 in the both sides of filter screen 7, on water of condensation connecting tube 5, be provided with the 5th stop valve 17 simultaneously, the setting of multiple stop valve can further improve stop valve by reliability, avoid because single stop valve fault causes the system failure.
Demineralized water connecting tube 8 is provided with the first stop valve 12, water of condensation connecting tube 5 is provided with the second stop valve 3, selects to be supplied water by demineralized water or supplied water to water spray projector system 9 by water of condensation water system by the conducting of the first stop valve 12 and the second stop valve 3 or cut-off.
Preferably, demineralized water connecting tube 8 has the first branch road 82 and the second branch road 81, first branch road 82 is connected to the circulation waterway 4 of generator set, first branch road 82 is provided with the first subcircuit disables valve 13, second branch road 81 is connected with water spray projector system 9, the second branch road 81 is provided with the second subcircuit disables valve 14.
Water in the circulation waterway 4 of generator set reduces due to the consumption of system, need when its water shortage to carry out moisturizing to it, desalination water pump 6 in the utility model illustrated embodiment can realize supplying water to water spray projector system 9 and circulation waterway 4 by the first branch road 82 and the second branch road 81 simultaneously, reduce the number of the required desalination water pump arranged of generator set, reduce unit cost of production.
Demineralized water pump 6 can be selected to be supply water to water spray projector system 9 and circulation waterway 4 by the first subcircuit disables valve 13 and the second subcircuit disables valve 14 simultaneously, or only supply water to water spray projector system 9 or circulation waterway 4, still neither supply water to water spray projector system 9 and also do not supply water to circulation waterway 4.
Preferably, the second branch road 81 is provided with modulating valve 20.Needed for low pressure (LP) cylinder 1, cooling water inflow regulates the water flow of the second branch road 81.
Modulating valve 20 more preferably electric control valve, conveniently can regulate the water flow of the second branch road 81 according to low pressure (LP) cylinder 1 water requirement.
Further preferably, the second branch road 81 is also connected to generator set circulation water route 4.The first branch road 82 break down cannot supply water to circulation waterway 4 time, supply water to circulation waterway 4 by the second branch road 81, improve the reliability of generator set.
See Fig. 1, second branch road 81 comprises the second branch road circulating water branch road 811 and the second branch road water spray branch road 812, also the circulation waterway 4 of generator set is connected to, when the first branch road 82 breaks down, by the second branch road 81 directly to circulation waterway 4 moisturizing by the second branch road circulating water branch road 811.Second branch road circulating water branch road 811 is provided with the 3rd stop valve 15, second branch road water spray branch road 812 is provided with the 4th stop valve 16, the conducting form of two articles of branch roads of the second branch road 81 is controlled by the 3rd stop valve 15 and the 4th stop valve 16, such as, second branch road circulating water branch road 811 disconnects, second branch road water spray branch road 812 conducting, or the second branch road circulating water branch road 811 and the second branch road water spray branch road 812 are turned on or off simultaneously.
Advantageously, multiple stop valves involved in the utility model can be set to Electric Actuated Stop Valves, make the adjustment of this generator set low pressure cylinder spray system more easy.
Water spray projector system 9 is for spraying water to low pressure (LP) cylinder 1, and the moulding of water spray projector system 9 can design as required.
See Fig. 1, in the shown embodiment, generator set has two low pressure (LP) cylinders 1, water spray projector system 9 is divided into two identical branch roads respectively to two low pressure cylinder sprays, can intelligiblely be, if generator set has one, three or more low pressure (LP) cylinder, then the branch road quantity of corresponding water spray projector system is set respectively to low pressure cylinder spray cooling.
Preferably, water spray projector system 9 comprises the first water spray district 92 and the second water spray district 91, first water spray district 92 sprays water to low pressure (LP) cylinder 1 towards the left side of low pressure (LP) cylinder 1 with the left side from low pressure (LP) cylinder 1, and the second water spray district 91 sprays water to low pressure (LP) cylinder 1 towards the right side of low pressure (LP) cylinder 1 with the right side from low pressure (LP) cylinder 1.
Distribution and the moulding in the first water spray district 92 and the second water spray district 91 can be arranged according to actual conditions, be not limited to and in illustrated embodiment, form is set, as long as make the first water spray district 92 and the second water spray district 91 be uniform as far as possible, large-area to spray water to low pressure (LP) cylinder 1, such as, be that circular multiple water spray district is set around low pressure (LP) cylinder 1 periphery.
Preferably, water spray projector system 9 comprises at least partially setting of the 3rd water spray district 93 of water spray district the 93, three around low pressure (LP) cylinder 1 outer circumferential face further.
3rd water spray district 93, around the setting at least partially of the outer circumferential face of low pressure (LP) cylinder 1, makes water spray projector system 9 more even to the water spray of low pressure (LP) cylinder 1.3rd water spray district 93 can around the whole circumference of low pressure (LP) cylinder, half circumference or 1/4th circumference, its specifically around circumference number arrange flexibly according to actual conditions.
The water spray projector system 9 of the mode of execution of the utility model one shown in Fig. 2 comprises the first water spray district 91 of water spray district 92, second and the 3rd water spray district 93, angle between first water spray district 92 and the main body in the second water spray district 91 is about 90 degree, spray water in the left and right sides respectively towards low pressure (LP) cylinder 1, the 3rd water spray district 93 is around the hemicycle circumference low pressure cylinder spray of low pressure (LP) cylinder 1.
In the periphery of low pressure (LP) cylinder 1, there is generator unit shell 10, avoid the cooling water sprayed to affect the operation of generator set miscellaneous part, collect the water after cooling low pressure (LP) cylinder 1 simultaneously.
Preferably, the first water spray district 93 of water spray district 92, second and the 3rd water spray district 93 are evenly distributed with multiple atomization spray cap 11, the more uniform surface sprinkling towards low pressure (LP) cylinder 1.
Preferably, the spray shapes of atomization spray cap 11 is circular.
Circular spray shapes makes the projected area of atomization spray cap 11 on low pressure (LP) cylinder 1 comparatively large, sprays more even.But the spray shapes of atomization spray cap 11 is not limited to circular, and other shapes also can.
Pass through technique scheme, water spray system passes through the atomization spray cap of water spray projector system to low pressure cylinder spray cooling, effectively improve the cooling effect to low pressure (LP) cylinder, and the water of condensation of about be used in prior art cooling 60 degree is replaced with the demineralized water of about 20 degree, further increase cooling effect, reduce unit back pressuce, and, adopt atomization spray cap can reduce the dissolved oxygen of unit water of condensation to low pressure cylinder spray cooling, improve the operational efficiency of generator set and the stability of operation.
Below preferred implementation of the present utility model is described by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in above-mentioned mode of execution; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characteristics described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the utility model illustrates no longer separately to various possible compound mode.
In addition, also can carry out combination in any between various different mode of execution of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (9)
1. a generator set low pressure cylinder spray system, described generator set low pressure cylinder spray system comprises: water pump, connecting tube and for the water spray projector system (9) to low pressure (LP) cylinder (1) spray cooling, described water pump is connected with described water spray projector system (9) by connecting tube, it is characterized in that, described water spray projector system (9) comprises the atomization spray cap (11) for spraying water towards described low pressure (LP) cylinder (1).
2. generator set low pressure cylinder spray system according to claim 1, it is characterized in that, described water pump comprises desalination water pump (6) and condensate pump (2), described connecting tube comprises demineralized water connecting tube (8) and water of condensation connecting tube (5), described desalination water pump (6) is connected with described water spray projector system (9) by described demineralized water connecting tube (8), described demineralized water connecting tube (8) is provided with the first stop valve (12), described condensate pump (2) is connected with described water spray projector system (9) by described water of condensation connecting tube (5), described water of condensation connecting tube (5) is provided with the second stop valve (3).
3. generator set low pressure cylinder spray system according to claim 2, it is characterized in that, described demineralized water connecting tube (8) has the first branch road (82) and the second branch road (81), described first branch road (82) is connected to generator set circulation water route (4), described first branch road (82) is provided with the first subcircuit disables valve (13), described second branch road (81) is connected with described water spray projector system (9), described second branch road (81) is provided with the second subcircuit disables valve (14).
4. generator set low pressure cylinder spray system according to claim 3, is characterized in that, described second branch road (81) is provided with modulating valve (20).
5. generator set low pressure cylinder spray system according to claim 3, is characterized in that, described second branch road (81) is also connected to described generator set circulation water route (4).
6. generator set low pressure cylinder spray system according to claim 1, it is characterized in that, described water spray projector system (9) comprises the first water spray district (92) and the second water spray district (91), and the both sides that described first water spray district (92) and the second water spray district (91) are separately positioned on described low pressure (LP) cylinder (1) are to spray water from low pressure (LP) cylinder (1) described in two side direction of described low pressure (LP) cylinder (1) respectively.
7. generator set low pressure cylinder spray system according to claim 6, it is characterized in that, described water spray projector system (9) comprises the 3rd water spray district (93) further, and described 3rd water spray district (93) is around the setting at least partially of described low pressure (LP) cylinder (1) outer circumferential face.
8. generator set low pressure cylinder spray system according to claim 7, it is characterized in that, described first water spray district (92), the second water spray district (93) and the 3rd water spray district (93) are evenly distributed with multiple described atomization spray cap (11).
9. the generator set low pressure cylinder spray system according to any one of claim 1-8, is characterized in that, the spray shapes of described atomization spray cap (11) is circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420442774.5U CN204060827U (en) | 2014-08-07 | 2014-08-07 | A kind of generator set low pressure cylinder spray system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420442774.5U CN204060827U (en) | 2014-08-07 | 2014-08-07 | A kind of generator set low pressure cylinder spray system |
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| Publication Number | Publication Date |
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| CN204060827U true CN204060827U (en) | 2014-12-31 |
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| CN201420442774.5U Active CN204060827U (en) | 2014-08-07 | 2014-08-07 | A kind of generator set low pressure cylinder spray system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286091A (en) * | 2016-08-22 | 2017-01-04 | 张萍 | A kind of hydro-generating Unit with online controlling the water circulation cooling function |
| CN108590783A (en) * | 2018-03-01 | 2018-09-28 | 华电电力科学研究院有限公司 | A kind of control method for the swollen difference of turbine low pressure cylinder |
| CN109339874A (en) * | 2018-11-02 | 2019-02-15 | 中广核核电运营有限公司 | A kind of method and system for eliminating steam turbine low pressure shaft seal Rubbing faults |
-
2014
- 2014-08-07 CN CN201420442774.5U patent/CN204060827U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286091A (en) * | 2016-08-22 | 2017-01-04 | 张萍 | A kind of hydro-generating Unit with online controlling the water circulation cooling function |
| CN108590783A (en) * | 2018-03-01 | 2018-09-28 | 华电电力科学研究院有限公司 | A kind of control method for the swollen difference of turbine low pressure cylinder |
| CN108590783B (en) * | 2018-03-01 | 2019-11-05 | 华电电力科学研究院有限公司 | A kind of control method for the swollen difference of turbine low pressure cylinder |
| CN109339874A (en) * | 2018-11-02 | 2019-02-15 | 中广核核电运营有限公司 | A kind of method and system for eliminating steam turbine low pressure shaft seal Rubbing faults |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhuo Gang Inventor after: Liu Shixiong Inventor after: Zhao Lijun Inventor after: Ren Wei Inventor after: Feng Xiaojun Inventor after: He Xun Inventor before: Zhuo Gang Inventor before: Ren Wei Inventor before: Zhao Lijun Inventor before: Feng Xiaojun |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHUO GANG REN WEI ZHAO LIJUN FENG XIAOJUN TO: ZHUO GANG LIU SHIXIONG ZHAO LIJUN REN WEI FENG XIAOJUN HE XUN |