CN205533044U - Steam -operating water feed pump set and water feed pump set system thereof - Google Patents
Steam -operating water feed pump set and water feed pump set system thereof Download PDFInfo
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- CN205533044U CN205533044U CN201620360595.6U CN201620360595U CN205533044U CN 205533044 U CN205533044 U CN 205533044U CN 201620360595 U CN201620360595 U CN 201620360595U CN 205533044 U CN205533044 U CN 205533044U
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- Prior art keywords
- feed pump
- pump
- assembly welding
- automobile assembly
- turbine
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 238000003466 welding Methods 0.000 claims description 33
- 238000006392 deoxygenation reaction Methods 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 claims description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims 1
- 229910052753 mercury Inorganic materials 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 10
- 239000003638 chemical reducing agent Substances 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to an equipment is optimized, discloses a steam -operating water feed pump set and water feed pump set system thereof, and this steam -operating water feed pump set include: water -feeding pump steam turbine (1), water -feeding pump (2), feed water booster pump (3) and speed reducer (4), wherein, speed reducer (4) are connected the feedwater booster pump (3) and between the front end of water -feeding pump steam turbine (1), water -feeding pump steam turbine (1) is connected with the host computer condenser, water -feeding pump (2) with the rear end of water -feeding pump steam turbine (1) is connected. The utility model discloses a can reduce the house -service consumption, reduce the maintenance cost, reduce the investment and reduced the sealed of equipment and pipeline.
Description
Technical field
This utility model relates to equipment optimization, in particular it relates to a kind of automobile assembly welding Iine and feed pump thereof
Group system.
Background technology
Increased rapidly based on the electric power installed capacity of coal-fired thermal power generation in recent years, but country was to thermoelectricity
Unit requirement in terms of energy-saving and environmental protection, reduction of discharging is improving day by day, this give the Construction of Unit initial stage how
Reducing the construction costs, save operation and maintenance expenses and propose more harsh standard and expectation.Due to feed pump group
It is that energy (electric) consumption in fired power generating unit consumes, expense invests rich and influential family, it is therefore necessary to its arrangement
It is optimized.
The design configurations of the feed pump group of the high-pressure feed water system of conventional fired power generating unit has following several: 1)
The startup auxiliary feed water pump of one minimum 30% capacity (or bigger) motor drag adds a full capacity vapour
The feed pump group pattern of dynamic feed pump.2) the automobile assembly welding Iine pattern of two 50% capacity, this pump group
Pattern to be the most also equipped with the startup auxiliary feed water pump of minimum 30% capacity (or bigger) motor drag.
3) electrically driven feed pump of three 50% capacity is arranged in juxtaposition the feed pump group pattern of composition.
The station service power consumption rate starting standby electrically driven feed pump of 30% (or bigger) capacity is typically left at 6%-8%
The right side, brings great house-service consumption, reduces the economy of unit；Start standby electrically driven feed pump to exist
Unit percentage reserve of properly functioning period 100%, adds operation operation, periodic maintenance cost.This pump
Use frequency is extremely low, causes corrective maintenance expense to be significantly increased；Automobile assembly welding Iine is individually designed condensing
Device, condensate pump etc. so that system is huge, separation valve door is numerous, causes system investments relatively big, arranges
Space requirement is harsh；Supply line is longer, turns a lot, reduces the economy of unit.
Utility model content
The purpose of this utility model is to provide a kind of automobile assembly welding Iine and feed pump group system, this steam-operating
Feed pump group and feed pump group system thereof can reduce house-service consumption, reduce maintenance cost, reduction investment
And decrease the seal point of equipment and pipeline.
To achieve these goals, this utility model provides a kind of automobile assembly welding Iine, this steam feed pump
Group includes: feed pump turbine, feed pump, pre feedwater pump and reductor, wherein, and described deceleration
Machine is connected between the front end of described pre feedwater pump and described feed pump turbine, described feed pump steamer
Machine is connected with main frame condenser, and described feed pump is connected with the rear end of described feed pump turbine.
Preferably, this automobile assembly welding Iine is positioned at steam turbine building operating layer.
Preferably, described feed pump turbine is coaxial dual output industrial steam turbine.
This utility model also provides for a kind of feed pump group system without starting stand-by pump, this feed pump group system
Including: oxygen-eliminating device, high-pressure heater and automobile assembly welding Iine mentioned above, wherein, described steam-operating
Feed pump is connected between described oxygen-eliminating device and described high-pressure heater, and described oxygen-eliminating device is used for making unit coagulate
Bear water deoxidation.
Preferably, described steam feed pump is full capacity steam feed pump.
By technique scheme, this utility model provides automobile assembly welding Iine and feed pump group system thereof,
Automobile assembly welding Iine includes: feed pump turbine, feed pump, pre feedwater pump and reductor, slows down
Machine is connected between pre feedwater pump and the front end of feed pump turbine, and feed pump turbine is directly and main frame
Condenser connects, and feed pump is connected with the rear end of feed pump turbine.It addition, feed pump turbine is not single
Solely arrange and be not provided with on condenser and discharge duct turning off isolation butterfly valve；Feed pump group system includes: deoxygenation
Device, high-pressure heater and automobile assembly welding Iine mentioned above, be not provided with starting stand-by pump.This practicality
Novel can reduce house-service consumption, reduce maintenance cost, reduce investment and decrease equipment and pipeline
Seal point.
Other features and advantages of the utility model will give in detailed description of the invention part subsequently in detail
Explanation.
Accompanying drawing explanation
Accompanying drawing is used to offer and is further appreciated by of the present utility model, and constitutes one of description
Point, it is used for explaining this utility model together with detailed description below, but is not intended that this practicality
Novel restriction.In the accompanying drawings:
Fig. 1 is the structural representation of the automobile assembly welding Iine that this utility model provides；And
Fig. 2 is the structural representation of the feed pump group system without starting stand-by pump that this utility model provides.
Description of reference numerals
1 feed pump turbine 2 feed pump
3 pre feedwater pump 4 reductors
5 oxygen-eliminating device 6 high-pressure heaters
7 automobile assembly welding Iine
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.It is to be understood that
It is that detailed description of the invention described herein is merely to illustrate and explains this utility model, is not used to limit
This utility model processed.
The turbine discharge condensing unit of the automobile assembly welding Iine of current existing domestic design is the most individually designed
There are condenser, condensate pump etc., owing to the layout of its steam discharge chiller limits plus unit switching maintenance
Needing so that system is huge, and separation valve door is numerous, system investments is relatively big, and arrangement space is big.
Fig. 1 is the structural representation of the automobile assembly welding Iine that this utility model provides.As it is shown in figure 1, this
Utility model provides a kind of automobile assembly welding Iine, and this automobile assembly welding Iine includes: feed pump turbine 1,
Feed pump 2, pre feedwater pump 3 and reductor 4, wherein, described reductor 4 be connected to described in
Between the front end of water fore pump 3 and described feed pump turbine 1, described feed pump turbine 1 and main frame
Condenser connects, and described feed pump 2 is connected with the rear end of described feed pump turbine 1.
Do not set on the blow-off line of the feed pump turbine 1 of automobile assembly welding Iine of the present utility model shutoff every
From butterfly valve and be not separately provided condenser, feed pump turbine 1 is by little machine blow-off line directly and main frame
Condenser connects.
The main building installing feed pump group is set to operate layer, intermediate layer, zero meter of layer, and this utility model carries
The automobile assembly welding Iine of confession be positioned at steam turbine building operating layer, steam exhaust device be arranged on feed pump turbine 1 just under
On the intermediate layer of side.Described feed pump turbine 1 is coaxial dual output industrial steam turbine, pre feedwater pump
3, reductor 4 and feed pump 2 are arranged in the both sides of feed pump turbine 1, and the advantage of this layout is
Feed pump maintenance is convenient, steam turbine flexible arrangement, and the obvious cripetura of unilateral output shaft axle system of steam turbine is main
The unilateral moment of torsion that bearing is subject to reduces.
Fig. 2 is the structural representation of the feed pump group system without starting stand-by pump that this utility model provides.
As in figure 2 it is shown, this utility model also provides for a kind of feed pump group system without starting stand-by pump, this feedwater
Pump group system includes: oxygen-eliminating device 5, high-pressure heater 6 and automobile assembly welding Iine 7 mentioned above,
Wherein, described automobile assembly welding Iine 7 is connected between described oxygen-eliminating device 5 and described high-pressure heater 6,
Described oxygen-eliminating device 5 is used for making unit condense water deoxygenation.Described automobile assembly welding Iine 7 be full capacity steam-operating to
Water pump.
Mentioning as in background technology, the design of the feed pump group of the high-pressure feed water system of conventional fired power generating unit is joined
It is equipped with following several: 1) the startup reserve feed of minimum 30% capacity (or bigger) motor drag
Pump is plus the feed pump group pattern of a full capacity steam feed pump.2) steam-operating of two 50% capacity is given
Water pump group pattern, this pump group pattern to be the most also equipped with minimum 30% capacity (or bigger) motor and drag
Dynamic startup auxiliary feed water pump.3) electrically driven feed pump of three 50% capacity is arranged in juxtaposition the feedwater of composition
Pump group pattern.
Three of the above configuration all has electrically driven feed pump, and electrically driven feed pump Original equipment is purchased, installed and adjust
Costly, later maintenance amount is big in examinations etc., and operating cost is high；Additionally under steam feed pump abnormal condition,
Low capacity electrically driven feed pump also cannot meet unit and the most just commonly use the demand of exerting oneself of water.In order to energy-conservation
Considering, this utility model uses the configuration mode without starting stand-by pump, and oxygen-eliminating device 5 have employed a high position simultaneously
Arrange, preferably may be mounted on 25 meters of layer steelframes of boiler side.
By technique scheme, this utility model provides automobile assembly welding Iine and feed pump group system thereof,
Automobile assembly welding Iine includes: feed pump turbine, feed pump, pre feedwater pump and reductor, slows down
Machine is connected between pre feedwater pump and the front end of feed pump turbine, and feed pump turbine is directly and main frame
Condenser connects, and feed pump is connected with the rear end of feed pump turbine.It addition, feed pump turbine is not single
Solely arrange and be not provided with on condenser and discharge duct turning off isolation butterfly valve；Feed pump group system includes: deoxygenation
Device, high-pressure heater and automobile assembly welding Iine mentioned above, be not provided with starting stand-by pump.This practicality
Novel can reduce house-service consumption, reduce maintenance cost, reduce investment and decrease equipment and pipeline
Seal point.
Preferred implementation of the present utility model is described in detail above in association with accompanying drawing, but, this practicality is new
Type is not limited to the detail in above-mentioned embodiment, in technology concept of the present utility model,
The technical solution of the utility model can be carried out multiple simple variant, these simple variant belong to this reality
With novel protection domain.
It is further to note that each the concrete technology described in above-mentioned detailed description of the invention is special
Levy, in the case of reconcilable, can be combined by any suitable means, in order to avoid need not
The repetition wanted, various possible compound modes are illustrated by this utility model the most separately.
Additionally, combination in any can also be carried out between various different embodiment of the present utility model, only
Wanting it without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (5)
1. an automobile assembly welding Iine, it is characterised in that this automobile assembly welding Iine includes:
Feed pump turbine (1), feed pump (2), pre feedwater pump (3) and reductor (4),
Wherein,
Described reductor (4) is connected to described pre feedwater pump (3) and described feed pump turbine (1)
Front end between, described feed pump turbine (1) is connected with main frame condenser, described feed pump (2)
It is connected with the rear end of described feed pump turbine (1).
Automobile assembly welding Iine the most according to claim 1, it is characterised in that this steam feed pump
Group is positioned at steam turbine building operating layer.
Automobile assembly welding Iine the most according to claim 1, it is characterised in that described feedwater mercury vapour
Turbine (1) is coaxial dual output industrial steam turbine.
4. the feed pump group system without startup stand-by pump, it is characterised in that this feed pump group system
Including:
Any one claim in oxygen-eliminating device (5), high-pressure heater (6) and claim 1-3
Described automobile assembly welding Iine (7), wherein,
Described automobile assembly welding Iine (7) is connected to described oxygen-eliminating device (5) and described high-pressure heater (6)
Between, described oxygen-eliminating device (5) is used for making unit condense water deoxygenation.
Feed pump group system without starting stand-by pump the most according to claim 4, it is characterised in that
Described automobile assembly welding Iine (7) is full capacity automobile assembly welding Iine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620360595.6U CN205533044U (en) | 2016-04-26 | 2016-04-26 | Steam -operating water feed pump set and water feed pump set system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620360595.6U CN205533044U (en) | 2016-04-26 | 2016-04-26 | Steam -operating water feed pump set and water feed pump set system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205533044U true CN205533044U (en) | 2016-08-31 |
Family
ID=56796329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620360595.6U Active CN205533044U (en) | 2016-04-26 | 2016-04-26 | Steam -operating water feed pump set and water feed pump set system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205533044U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044397A (en) * | 2017-04-18 | 2017-08-15 | 上海申能电力科技有限公司 | A kind of high and low rotating speed steam feed pump system |
| CN109519367A (en) * | 2018-10-10 | 2019-03-26 | 华电电力科学研究院有限公司 | Automobile assembly welding Iine abnormal performance diagnostic method |
| CN110043439A (en) * | 2019-04-02 | 2019-07-23 | 南通常安能源有限公司 | A kind of steam feed pump system and method |
-
2016
- 2016-04-26 CN CN201620360595.6U patent/CN205533044U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044397A (en) * | 2017-04-18 | 2017-08-15 | 上海申能电力科技有限公司 | A kind of high and low rotating speed steam feed pump system |
| CN109519367A (en) * | 2018-10-10 | 2019-03-26 | 华电电力科学研究院有限公司 | Automobile assembly welding Iine abnormal performance diagnostic method |
| CN110043439A (en) * | 2019-04-02 | 2019-07-23 | 南通常安能源有限公司 | A kind of steam feed pump system and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |