CN206440145U - Direct Air-cooled Unit energy-storage system - Google Patents
Direct Air-cooled Unit energy-storage system Download PDFInfo
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- CN206440145U CN206440145U CN201621431408.5U CN201621431408U CN206440145U CN 206440145 U CN206440145 U CN 206440145U CN 201621431408 U CN201621431408 U CN 201621431408U CN 206440145 U CN206440145 U CN 206440145U
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- pipeline
- condensate
- direct air
- cold water
- hot hydroecium
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Abstract
The utility model discloses Direct Air-cooled Unit energy-storage system, it is characterised in that：Water storage tank (4) includes superposed hot hydroecium (4.1) and the cold water chamber (4.2) positioned at bottom；Thermal baffle (4.3) is provided between described hot hydroecium (4.1) and cold water chamber (4.2), the pipeline one (7.1) drawn in direct air cooled condenser (7) is connected with condensate tank (8), condensate circulating pump (3) is provided with the pipeline two (7.2) drawn on described pipeline one (7.1), it is connected at described condensate circulating pump (3) rear by pipeline three (7.3) with cold water chamber (4.2), shut-off valve one (5) is provided with described pipeline three (7.3)；Introduction pipe four (7.4) is connected with hot hydroecium (4.1) on described pipeline three (7.3), it overcomes the shortcoming that the large energy that Air-cooled Unit day and night temperature is brought greatly in the prior art is not utilized but, has the advantages that to utilize the less heat for being ultimately discharged into environment.
Description
Technical field
The utility model is related to the technical field of fired power generating unit, is more specifically Direct Air-cooled Unit accumulation of energy system
System.
Background technology
China North China and Water Resource in Northwest are deficient, and fired power generating unit substantially uses air cooling mode.Due to these areas
Day and night temperature is big, and back pressure differs greatly Air-cooled Unit round the clock, and condensate day temperature is high, night temperatures are low, system contain compared with
Big energy, current engineering design does not account for improving unit efficiency using this portion of energy.
The content of the invention
The purpose of this utility model is the weak point for overcoming above-mentioned background technology, and proposes Direct Air-cooled Unit accumulation of energy
System.
What the technical solution of the utility model was implemented by following measure：Direct Air-cooled Unit energy-storage system, water storage tank
Including superposed hot hydroecium and the cold water chamber positioned at bottom；Be provided between described hot hydroecium and cold water chamber it is adiabatic every
Plate, the pipeline one drawn in direct air cooled condenser is connected with condensate tank, in the pipeline drawn from described pipeline one
Condensate circulating pump is provided with two, is connected at described condensate circulating pump rear by pipeline three with cold water chamber, described
Pipeline three on be provided with shut-off valve one；
Introduction pipe four is connected with hot hydroecium on described pipeline three, and shut-off valve is provided with described pipeline four
Two；The introduction pipe five on described pipeline four, condensate pump, described pipeline are provided with the rear of described condensate tank
Five are connected on the pipeline between described condensate tank and condensate pump, and described condensate pump rear is provided with low pressure and added
Hot device；Introduction pipe six is connected with the spray equipment in steam exhaust device on described pipeline three, described condensate tank
Positioned at the bottom of described steam exhaust device, pipeline is provided with the side of described steam exhaust device and is connected with direct air cooled condenser
Connect.
In the above-mentioned technical solutions：The top of described hot hydroecium is provided with float partition.
In the above-mentioned technical solutions：Regulating valve one is provided with described pipeline six；It is provided with described pipeline five
Regulating valve two.
The utility model has following technological merit：1st, storage temperature high condensate when unit is run daytime, while sharp
The low condensation water condensation small part turbine discharge of the temperature stored with night, reduces the heat for being ultimately discharged into environment.2nd, unit
Storage temperature low condensate when night is run, enters low-pressure heating while being improved using the high condensate of the temperature stored daytime
The temperature of the condensate of device, reduces unit heat consumption rate.
Brief description of the drawings
Fig. 1 is structural formula schematic diagram of the present utility model.
In figure：Steam exhaust device 1, condensate pump 2, condensate circulating pump 3, water storage tank 4, hot hydroecium 4.1, cold water chamber 4.2, absolutely
Hot dividing plate 4.3, float partition 4.4, shut-off valve 1, shut-off valve 2 5.1, regulating valve 1, regulating valve 2 6.1, Direct Air-Cooled are coagulated
Vapour device 7, pipeline 1, pipeline 2 7.2, pipeline 3 7.3, pipeline 4 7.4, pipeline 5 7.5, pipeline 6 7.6, condensate tank 8,
Spray equipment 9, low-pressure heater 10.
Embodiment
Describe performance of the present utility model in detail below in conjunction with the accompanying drawings, but they are not constituted to of the present utility model
Limit, it is only for example, while by illustrating that advantage of the present utility model will become clearer and be readily appreciated that.
Shown in reference picture 1：Direct Air-cooled Unit energy-storage system, water storage tank 4 includes superposed hot hydroecium 4.1 and is located at
The cold water chamber 4.2 of bottom；Thermal baffle 4.3 is provided between described hot hydroecium 4.1 and cold water chamber 4.2, in Direct Air-Cooled
The pipeline 1 drawn on condenser 7 is connected with condensate tank 8, in the pipeline 2 7.2 drawn from described pipeline 1
On be provided with condensate circulating pump 3, be connected at the described rear of condensate circulating pump 3 by pipeline 3 7.3 with cold water chamber 4.2,
Shut-off valve 1 is provided with described pipeline 3 7.3；
Introduction pipe 4 7.4 is connected with hot hydroecium 4.1 on described pipeline 3 7.3, is set on described pipeline 4 7.4
It is equipped with shut-off valve 2 5.1；The introduction pipe 5 7.5 on described pipeline 4 7.4, is set at the rear of described condensate tank 8
There is condensate pump 2, described pipeline 5 7.5 is connected on the pipeline between described condensate tank 8 and condensate pump 2, in institute
The rear of condensate pump 2 stated is provided with low-pressure heater 10；Introduction pipe 6 7.6 is with being located at row on described pipeline 3 7.3
Spray equipment 9 in vapour device 1 is connected, and described condensate tank 8 is located at the bottom of described steam exhaust device 1, in described row
The side of vapour device 1 is provided with pipeline and is connected with direct air cooled condenser 7.
The top of described hot hydroecium 4.1 is provided with float partition 4.4.
Regulating valve 1 is provided with described pipeline 6 7.6；Regulating valve two is provided with described pipeline 5 7.5
6.1。
Water storage tank 4 uses heat insulating construction, reduces the heat exchange with environment.The top of water storage tank 4 is hot hydroecium 4.1, and bottom is
Cold water chamber 4.2, hot hydroecium 4.1 and cold water chamber 4.2 are separated with thermal baffle 4.3, reduce the heat of hot hydroecium 4.1 and cold water chamber 4.2
Exchange.The top of hot hydroecium 4.1 sets float partition 4.4, prevents the oxygen in air to be dissolved in condensate.
Water storage tank 4 is connected with steam exhaust device 1 with pipeline, and sets condensate circulating pump 3, shut-off valve 1, shut-off valve two
5.1 and regulating valve 1, regulating valve 2 6.1.For Direct Air-cooled Unit, condensate circulating pump can be cancelled according to actual conditions
3。
The daytime temperature highest period, shut-off valve 1 is closed, shut-off valve 2 5.1 is opened, and regulating valve 1 is opened, regulating valve
2 6.1 are closed, and condensate circulating pump 3 is run, from direct air cooled condenser 7 to the condensation of the condensate tank 8 of the bottom of steam exhaust device 1
Waterpipe 7.1, the hot hydroecium 4.1 for extracting the condensate feeding water storage tank 4 of certain flow stores, meanwhile, the cold water of water storage tank 4
The condensate that the temperature of the night of room 4.2 storage is low enters steam exhaust device 1, flow and the temperature for entering the hot hydroecium 4.1 in water storage tank 4
The high condensing water flow of degree is consistent, is controlled by regulating valve 1, condenses small part turbine discharge, and reduction is ultimately discharged into environment
Heat.
The night temperature minimum period, shut-off valve 1 is opened, shut-off valve 2 5.1 is closed, and regulating valve 1 is closed, regulating valve
2 6.1 open, condensate circulating pump operation, from direct air cooled condenser 7 to steam exhaust device 1 on condensate tank 8 condensate
Pipeline 7.1, the cold water chamber 4.2 for extracting the condensate feeding water storage tank 4 of certain flow stores, meanwhile, the hot hydroecium in water storage tank 4
The condensate that the temperature of storage on 4.1 daytimes is high enters the inlet duct of condensate pump 2, and flow is with entering the cold water chamber on water storage tank 4
The low condensing water flow of 4.2 temperature is consistent, is controlled by regulating valve 2 6.1, improves the condensate that enters low-pressure heater
Temperature, " exclusion " low-pressure heater draws gas, and increases unit output, reduces unit heat consumption rate.To prevent condensate pump cavitation, drop is needed
Its low setting height(from bottom).
Other periods, shut-off valve 1, shut-off valve 2 5.1 and regulating valve 1, regulating valve 2 6.1 are turned off, and condensate is followed
Ring pump 3 is stopped transport, and condensate system is run in the usual way.
Above-mentioned unspecified part is prior art.
Claims (3)
1. Direct Air-cooled Unit energy-storage system, it is characterised in that：Water storage tank (4) includes superposed hot hydroecium (4.1) and position
Cold water chamber (4.2) in bottom；Thermal baffle (4.3) is provided between described hot hydroecium (4.1) and cold water chamber (4.2),
The pipeline one (7.1) drawn in direct air cooled condenser (7) is connected with condensate tank (8), from described pipeline one (7.1)
Condensate circulating pump (3) is provided with the pipeline two (7.2) of upper extraction, pipe is passed through at described condensate circulating pump (3) rear
Road three (7.3) is connected with cold water chamber (4.2), and shut-off valve one (5) is provided with described pipeline three (7.3)；
Introduction pipe four (7.4) is connected with hot hydroecium (4.1) on described pipeline three (7.3), in described pipeline four (7.4)
On be provided with shut-off valve two (5.1)；The introduction pipe five (7.5) on described pipeline four (7.4), in described condensate tank
(8) rear is provided with condensate pump (2), and described pipeline five (7.5) is connected to described condensate tank (8) and condensate pump
(2) on the pipeline between, described condensate pump (2) rear is provided with low-pressure heater (10)；In described pipeline three
(7.3) introduction pipe six (7.6) is connected with the spray equipment (9) in steam exhaust device (1) on, described condensate tank (8)
Positioned at the bottom of described steam exhaust device (1), the side of described steam exhaust device (1) is provided with pipeline and Direct Air-Cooled condensing
Device (7) is connected.
2. Direct Air-cooled Unit energy-storage system according to claim 1, it is characterised in that：Described hot hydroecium (4.1)
Top is provided with float partition (4.4).
3. Direct Air-cooled Unit energy-storage system according to claim 1, it is characterised in that：On described pipeline six (7.6)
It is provided with regulating valve one (6)；Regulating valve two (6.1) is provided with described pipeline five (7.5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621431408.5U CN206440145U (en) | 2016-12-23 | 2016-12-23 | Direct Air-cooled Unit energy-storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621431408.5U CN206440145U (en) | 2016-12-23 | 2016-12-23 | Direct Air-cooled Unit energy-storage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206440145U true CN206440145U (en) | 2017-08-25 |
Family
ID=59647016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621431408.5U Active CN206440145U (en) | 2016-12-23 | 2016-12-23 | Direct Air-cooled Unit energy-storage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206440145U (en) |
-
2016
- 2016-12-23 CN CN201621431408.5U patent/CN206440145U/en active Active
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