CN206709466U - Subsidiary engine cooling water system - Google Patents
Subsidiary engine cooling water system Download PDFInfo
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- CN206709466U CN206709466U CN201720561752.4U CN201720561752U CN206709466U CN 206709466 U CN206709466 U CN 206709466U CN 201720561752 U CN201720561752 U CN 201720561752U CN 206709466 U CN206709466 U CN 206709466U
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- air
- subsidiary engine
- engine cooling
- machine power
- power tower
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- 239000000498 cooling water Substances 0.000 title claims abstract description 52
- 238000001816 cooling Methods 0.000 claims abstract description 98
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 81
- 206010009866 Cold sweat Diseases 0.000 description 6
- 239000010687 lubricating oil Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000003921 oil Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Engine Equipment That Uses Special Cycles (AREA)
Abstract
It the utility model is related to power plant cooling water field,Disclose a kind of subsidiary engine cooling water system,The subsidiary engine cooling water system includes subsidiary engine cooling device and at least one air cooling machine power tower,The delivery port of the subsidiary engine cooling device connects with the water inlet of the air cooling machine power tower,The delivery port of the air cooling machine power tower connects with the water inlet of the subsidiary engine cooling device,The air cooling machine power tower includes hot-flow flue,Cold air duct,First switching device and the second switching device,The hot-flow flue connects with the air outlet slit of the air cooling machine power tower,The cold air duct connects with the air intake of the air cooling machine power tower,Pipeline and the pipeline for drawing air in steam turbine building for supplying atmospheric air connect via the second switching device with the cold air duct respectively,The hot-flow flue via the first switching device respectively with for the pipeline to air discharge gas and for into steam turbine building inject hot-air pipeline connection.The system can fully reclaim the heat of subsidiary engine cooling water.
Description
Technical field
It the utility model is related to power plant cooling water field, and in particular to subsidiary engine cooling water system.
Background technology
Thermal power plant subsidiary engine cooling water is the industry water cooled down to each operating subsidiary engine, is generally divided into out cold water and closes
Chilled water system, main purpose are that heat caused by current vortex loss, frictional dissipation etc. is entered by cooling water during each subsidiary engine is run
Row cooling, by the temperature control of equipment in zone of reasonableness, the long-term safety operation of guarantee equipment.
Subsidiary engine cooling water system of the prior art includes：Chilled water system is opened, opening after clammy machine power tower cooler is cold
Water is by open type cooling water pump to enclosed water heat exchanger, and the working medium (hot water) after the cooling of enclosed water heat exchanger is through piping
Outdoor is arrived again, and clammy machine power tower is directly cooled down using outdoor cooling air to the hot water for entering clammy machine power tower, opening after cooling
Cold water completes a cyclic process by the boosting of open type cooling water pump；Chilled water system is closed, it is cold from closing for each subsidiary engine equipment discharge
Water, which returns to, closes cold water pump intake, after being boosted by enclosed cooling water pump again after closed water cooler is by enclosed water cooling, leads to
Piping is sent to each subsidiary engine equipment, cools down the hot water after each equipment and returns enclosed cooling water pump, a circulation is completed, by subsidiary engine
The heat of bearing or heat exchanger is taken away, and ensures the safe operation of subsidiary engine cooling device.The system has the characteristics that, each subsidiary engine
Heat air is discharged into by clammy machine power tower, heat-energy losses are fallen, a 600MW unit about loses 18MW heat；
Clammy machine power tower, as cooling water has been taken away in cooling air flowing, causes the waste of water resource when split cold water cools down；Winter
The vapours of the clammy machine power tower discharge of subsidiary engine cooling water system forms larger harm to outdoor electrical equipment or other facilities.
Utility model content
The purpose of this utility model is to overcome above mentioned problem existing for prior art, there is provided a kind of subsidiary engine cooling water system
System.
To achieve these goals, the utility model provides a kind of subsidiary engine cooling water system, wherein, the subsidiary engine cooling water system
System includes subsidiary engine cooling device and at least one air cooling machine power tower, the delivery port of the subsidiary engine cooling device and the air cooling machine power
The water inlet connection of tower, the delivery port of the air cooling machine power tower connect with the water inlet of the subsidiary engine cooling device, the air cooling
Machine power tower includes hot-flow flue, cold air duct, the first switching device and the second switching device, the hot-flow flue and the air cooling machine power tower
Air outlet slit connection, the cold air duct connects with the air intake of the air cooling machine power tower, for supplying the pipe of atmospheric air
Road and the pipeline for drawing air in steam turbine building connect via the second switching device with the cold air duct respectively, the hot-flow flue
Via the first switching device respectively with for the pipeline to air discharge gas and for into steam turbine building inject hot-air pipe
Road connects.
Preferably, the subsidiary engine cooling water system includes two air cooling machine power towers, and described two air cooling machine power tower parallel connections are set
Put.
Preferably, the subsidiary engine cooling water system also includes at least one closed water cooler, the closed water cooler
It is arranged in parallel with the air cooling machine power tower.
Preferably, it is provided with valve between the water inlet of the delivery port of the subsidiary engine cooling device and the air cooling machine power tower
Door, valve is provided between the delivery port of the subsidiary engine cooling device and the water inlet of the closed water cooler.
Preferably, the subsidiary engine cooling water system includes two or three closed water coolers, described two or three are closed
Formula water cooler is arranged in parallel.
Preferably, the subsidiary engine cooling water system also includes at least one closed cycle water pump, the closed cycle water pump
Between the air cooling machine power tower and the subsidiary engine cooling device.
Subsidiary engine cooling water system of the present utility model summer air themperature can be used in the case that cold water is closed in cooling with
And late autumn, winter and the early spring can cancel existing open cooling water system, due to there was only closed cooling water system, will not cause
The waste of water resource；Chilled water system is opened in cancellation, reduces construction costs and place takes, reduce the dimension of open cooling water system
Nurse makees；The power consumption of open type cooling water pump is avoided simultaneously；The heat of subsidiary engine cooling water is reclaimed in late autumn, winter and the early spring,
The energy resource consumption of the heating of power plant is reduced, eliminates harm and vision of the winter subsidiary engine cooling water system to outdoor electrical equipment
Pollution.
Brief description of the drawings
Fig. 1 is a kind of subsidiary engine cooling water system of embodiment of the present utility model；
Fig. 2 is air cooling machine power tower of the utility model in a kind of embodiment in late autumn, winter and the early spring；
Fig. 3 is air cooling machine power tower of the utility model in a kind of embodiment of summer.
Description of reference numerals
1 subsidiary engine cooling device；2 air cooling machine power towers；
21 hot-flow flues；22 cold air ducts；
3 steam turbine buildings；4 closed water coolers；
5 valves；6 first conversion equipments；
7 second conversion equipments；8 closed cycle water pumps.
Embodiment
The utility model provides a kind of subsidiary engine cooling water system, as Figure 1-3, wherein, the subsidiary engine cooling water system
Including subsidiary engine cooling device 1 and at least one air cooling machine power tower 2, delivery port and the air cooler of the subsidiary engine cooling device 1
The water inlet connection of power tower 2, the delivery port of the air cooling machine power tower 2 connects with the water inlet of the subsidiary engine cooling device 1, described
Air cooling machine power tower 2 includes hot-flow flue 21, cold air duct 22, the first switching device 6 and the second switching device 7, the hot-flow flue 21 with
The air outlet slit connection of the air cooling machine power tower 2, the cold air duct 22 are connected with the air intake of the air cooling machine power tower 2, used
In supply atmospheric air pipeline and for draw the pipeline of air in steam turbine building 3 respectively via the second switching device 7 with it is described
Cold air duct 22 connects, the hot-flow flue 21 via the first switching device 6 respectively with for the pipeline and use of air discharge gas
In the pipeline connection that hot-air is injected into steam turbine building 3.
In the utility model, the subsidiary engine cooling device 1 refers to the device for cooling down production equipment Aided Machine, such as
The subsidiary engine cooling device 1 can be vavuum pump cooler, stator water-cooling but device, electric pump lube oil cooler, electric pump working oil
Cooler, fore pump and electric pump mechanical seal radiator, generator sealing reconditioner, empty side seal oil cooler, boiler
Start circulating pump motor cooler, main frame lube oil cooler, solidifying thrust of pump bearing cooler, solidifying pump motor cooler, vapour
Machine fire-resistant oil cooler, seal fan bearing cooler, steam air heater drainage pump bearing cooling water, the electronic lubricating oil station of air-introduced machine,
Air preheater bearing profit pump motor cooler, coal pulverizer lubricating oil station and coal pulverizer hydraulic oil unit etc..
In the utility model, to the number of the air cooling machine power tower 2, there is no particular limitation, can handle as needed
The water of closed-up water determines that under preferable case, the subsidiary engine cooling water system includes two air cooling machine power towers 2, described two skies
Cold power tower 2 is arranged in parallel.
In the utility model, the air cooling machine power tower 2 can be arranged on the indoor or outdoors of the steam turbine building 3, preferably set
Put in the interior of the steam turbine building 3, as shown in Figures 2 and 3, in the preferred embodiment, equipment place can be saved and take face
Product, also, in the winter time, the hot-air that can make to discharge in air cooler power tower 2 enters the steam turbine building 3 by most short approach
It is interior, so as to effectively utilize the heat in hot-air to be heated for the steam turbine building 3.
Wherein, Fig. 2 is to flow to schematic diagram in the cold air and hot-air of the air cooling machine power tower in late autumn, winter and the early spring,
As shown by arrows in FIG., the cold air in steam turbine building 3 enters cold air duct 22, and the hot-air discharged by air cooling machine power tower 2 enters
In steam turbine building 3；Fig. 3 is to flow to schematic diagram in the cold air and hot-air of the air cooling machine power tower of summer, as shown by arrows in FIG.,
Cold air in the outdoor (air) of steam turbine building 3 enters cold air duct 22, and the hot-air discharged by air cooling machine power tower 2 passes through hot blast
Road 21 is then exhausted from outdoor (air).
According to a kind of preferred embodiment of the present utility model, the subsidiary engine cooling water system also includes at least one enclosed
Water cooler 4, the closed water cooler 4 are arranged in parallel with the air cooling machine power tower 2.In the preferred embodiment, work as the summer
Season outdoor temperature it is too high when, the lack of air in air can enable institute to cool down when closing cold water of the discharge of subsidiary engine cooling device 1
State closed water cooler 4.The chilled water cooler 4 that closes can connect cooling tower, by the cooling water in cooling tower with closing
Formula water carries out heat exchange.
In the utility model, switch air cooling machine power tower and the use closed between chilled water cooler 4, preferable case for convenience
Under, it is provided with valve 5, the subsidiary engine between the water inlet of the delivery port of the subsidiary engine cooling device 1 and the air cooling machine power tower 2
Valve 5 is provided between the water inlet of the delivery port of cooling device 1 and the closed water cooler 4.By closing or opening not
With the valve 5 on pipeline, to control cooling to close the device of cold water.
In the utility model, to the number of the closed water cooler 4, there is no particular limitation, can handle as needed
The water of closed-up water determine that under preferable case, the subsidiary engine cooling water system includes two or three closed water coolers 4,
Described two or three closed water coolers 4 are arranged in parallel.
In the utility model, enter the air cooling machine power tower 2 to be provided to the closed-up water discharged in subsidiary engine cooling device 1
Power, it is preferable that the subsidiary engine cooling water system also includes at least one closed cycle water pump 8, the closed cycle water pump 8
Between the air cooling machine power tower 2 and the subsidiary engine cooling device 1.
The subsidiary engine cooling water system method of operation of the present utility model can be：In temperature relatively low late autumn, winter and the early spring
When (need to heat in steam turbine building 3), adjust the first switching device 6 and the second switching device 7, make the hot-flow flue of air cooling machine power tower 2
21 and cold air duct 22 connected respectively with the indoor of steam turbine building 3, the cold air in steam turbine building 3 pass through cold air duct 22 enter air cooling machine power
With carrying out heat exchange, the enclosed after heat exchange from subsidiary engine cooling device 1 and by the closed-up water of closed cycle water pump 8 in tower 2
Water returns to subsidiary engine cooling device 1, and the hot-air after heat exchange is entered in steam turbine building 3 by hot-flow flue 21；In summer (steam turbine building 3
It is interior to heat), the first switching device 6 and the second switching device 7 are adjusted, makes the hot-flow flue 21 and cold wind of air cooling machine power tower 2
Road 22 connects with outside atmosphere respectively, the air in air by cold air duct 22 enter in air cooling machine power tower 2 with to come from subsidiary engine cold
But the closed-up water of device 1 and process closed cycle water pump 8 carries out heat exchange, and the closed-up water after heat exchange returns to subsidiary engine cooling device
1, the hot-air after heat exchange is discharged into air by hot-flow flue 21；If summer temp is too high, using the air in air up to not
To the requirement of cooling closed-up water, the valve 5 between subsidiary engine cooling device 1 and closed water cooler 4 is opened, closes subsidiary engine cooling dress
The valve 5 between 1 and air cooling machine power tower 2 is put, closed-up water is cooled down using closed water cooler 4.
Preferred embodiment of the present utility model described in detail above, still, the utility model is not limited to this.At this
In the range of the technology design of utility model, a variety of simple variants can be carried out to the technical solution of the utility model, including it is each
Technical characteristic is combined with any other suitable method, and these simple variants and combination should equally be considered as the utility model
Disclosure of that, belong to the scope of protection of the utility model.
Claims (6)
1. a kind of subsidiary engine cooling water system, it is characterised in that the subsidiary engine cooling water system is including subsidiary engine cooling device (1) and at least
One air cooling machine power tower (2), the delivery port of the subsidiary engine cooling device (1) connect with the water inlet of the air cooling machine power tower (2),
The delivery port of the air cooling machine power tower (2) connects with the water inlet of the subsidiary engine cooling device (1), the air cooling machine power tower (2)
Including hot-flow flue (21), cold air duct (22), the first switching device (6) and the second switching device (7), the hot-flow flue (21) and institute
The air outlet slit connection of air cooling machine power tower (2) is stated, the air intake of the cold air duct (22) and the air cooling machine power tower (2) connects
It is logical, for supplying the pipeline of atmospheric air and for drawing the pipeline of air in steam turbine building respectively via the second switching device (7)
Connected with the cold air duct (22), the hot-flow flue (21) via the first switching device (6) respectively with for air discharge gas
The pipeline of body and the pipeline connection for injecting hot-air into steam turbine building.
2. subsidiary engine cooling water system according to claim 1, it is characterised in that the subsidiary engine cooling water system includes two
Air cooling machine power tower (2), described two air cooling machine power towers (2) are arranged in parallel.
3. subsidiary engine cooling water system according to claim 1 or 2, it is characterised in that the subsidiary engine cooling water system also wraps
At least one closed water cooler (4) is included, the closed water cooler (4) is arranged in parallel with the air cooling machine power tower (2).
4. subsidiary engine cooling water system according to claim 3, it is characterised in that the water outlet of the subsidiary engine cooling device (1)
Mouthful with being provided with valve (5) between the water inlet of the air cooling machine power tower (2), the delivery port of the subsidiary engine cooling device (1) and
Valve (5) is provided between the water inlet of the closed water cooler (4).
5. subsidiary engine cooling water system according to claim 3, it is characterised in that the subsidiary engine cooling water system includes two
Or three closed water coolers (4), described two or three closed water coolers (4) are arranged in parallel.
6. subsidiary engine cooling water system according to claim 1 or 2, it is characterised in that the subsidiary engine cooling water system also wraps
At least one closed cycle water pump (8) is included, the closed cycle water pump (8) is located at the air cooling machine power tower (2) and the subsidiary engine
Between cooling device (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720561752.4U CN206709466U (en) | 2017-05-19 | 2017-05-19 | Subsidiary engine cooling water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720561752.4U CN206709466U (en) | 2017-05-19 | 2017-05-19 | Subsidiary engine cooling water system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206709466U true CN206709466U (en) | 2017-12-05 |
Family
ID=60463554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720561752.4U Active CN206709466U (en) | 2017-05-19 | 2017-05-19 | Subsidiary engine cooling water system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206709466U (en) |
-
2017
- 2017-05-19 CN CN201720561752.4U patent/CN206709466U/en active Active
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