CN107906974B - A kind of Air-Cooling Island surplus energy utility system - Google Patents
A kind of Air-Cooling Island surplus energy utility system Download PDFInfo
- Publication number
- CN107906974B CN107906974B CN201710947518.XA CN201710947518A CN107906974B CN 107906974 B CN107906974 B CN 107906974B CN 201710947518 A CN201710947518 A CN 201710947518A CN 107906974 B CN107906974 B CN 107906974B
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- Prior art keywords
- steam
- air
- heat
- tube bundle
- condensate
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- 238000001816 cooling Methods 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 230000005494 condensation Effects 0.000 claims abstract description 12
- 238000009833 condensation Methods 0.000 claims abstract description 12
- 230000002411 adverse Effects 0.000 claims abstract description 3
- 238000005086 pumping Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 2
- 230000003020 moisturizing effect Effects 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 4
- 210000000038 chest Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005381 potential energy Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
- F28B1/06—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using air or other gas as the cooling medium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B11/00—Controlling arrangements with features specially adapted for condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/08—Auxiliary systems, arrangements, or devices for collecting and removing condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/10—Auxiliary systems, arrangements, or devices for extracting, cooling, and removing non-condensable gases
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The present invention relates to a kind of Air-Cooling Island surplus energy utility systems comprising steam exhaust device, the steam pipe being connect by pipeline with steam exhaust device are mounted on heat-exchanging tube bundle that steam bottom of the tube is connected to its inner cavity, are mounted on the condensate water collecting case that heat-exchanging tube bundle lower end is connected to its inner cavity；Air cooling blower fan is installed between heat-exchanging tube bundle；Condensate pump A is installed by condensed water down-comer in condensate water collecting case lower end；Air supply device and steam condensation device are installed between heat-exchanging tube bundle；A large amount of hot-airs that heat-exchanging tube bundle exports air cooling blower fan discharge are conveyed to boiler fan by air supply tube by the present invention, are transported to burning in boiler, are made full use of thermal energy；Nozzle exchanges heat it with the water vapour in adverse current tube bundle top header, and the moisturizing after making the condensed condensed water of steam and heating drops to jointly in condensate water collecting case, has recycled steam, has improved the working performance of vacuum pump, has improved the economy of unit.
Description
Technical field
The present invention relates to a kind of Air-Cooling Island surplus energy utility systems, belong to technical field of electric power.
Background technique
Air-Cooling Island, that is, air cooler is the abbreviation of Air-cooled Heat Exchanger, it using the air of nature come to process fluid into
The large scale industry heat-exchange apparatus of row cooling (condensation) has cold source sufficient and can save cooling compared with water cooling mode
With water, reduce environmental pollution the advantage cheap with maintenance cost.
Now, in China water-deficient area, power plant largely builds air cooling unit, and advantage is the reduction of the evaporation of vapor, but
Also there is big energy not to be fully used in its Air-Cooling Island, such as: steam turbine last stage steam discharge is logical from 0 meter of steam exhaust device top
It crosses jet chimney and enters 40 meters of high Air-Cooling Islands, the cold air in heat-exchanging tube bundle with air cooling blower fan discharge carries out heat exchange,
The condensed water condensed flows into steam exhaust device from 40 meters high of platform, and huge potential energy is not utilized, while in order to subtract
Pipe vibration brought by light water impact will also install energy dissipator additional inside condensing water conduit, waste the energy while also mention
High production cost；Air cooling blower fan discharge is dispersed into environment with a large amount of hot-airs after the vapor heat exchange in heat-exchanging tube bundle
In, thermal pollution is caused to environment, thermal energy is not also utilized；Vacuum pump in Air-Cooling Island counterflow heat exchange tube bundle top by setting
The vacuum lead set by counterflow heat exchange restrain in incondensable gas extract out when, inevitably will a large amount of non-condensing steam it is same
When be pumped into vacuum pump in, steam, which enters, carries out condensation heat release in vacuum pump, cause vacuum pump fluid temperature increase, affect
The working performance of vacuum pump, and condensed condensed water focuses in the steam-water separator of vacuum pump, causes separator liquid level liter
Height, overflow pipe overflow discharge are slatterned into trench.
Summary of the invention
The of the invention technical problem of being solved is to provide a kind of the savings energy, reduction production cost, raising unit economy
Air-Cooling Island surplus energy utility system.
The present invention adopts the following technical scheme:
The present invention include steam exhaust device, the steam pipe being connect by pipeline with steam exhaust device, be mounted on steam bottom of the tube with
The heat-exchanging tube bundle of its inner cavity connection is mounted on the condensate water collecting case that heat-exchanging tube bundle lower end is connected to its inner cavity；In the heat exchange
Air cooling blower fan is installed between tube bank；Condensate pump A is installed by condensed water down-comer in condensate water collecting case lower end；Institute
It states and air supply device and steam condensation device is installed between heat-exchanging tube bundle.
The present invention installs pressure transmitter on the condensed water down-comer；Steam exhaust device includes being located above deflector
Steam chest and the condensate tank below deflector install accident drain valve, the thing on the condensed water down-comer
Therefore the drain valve other end is connected to by pipeline with the condensate tank of steam exhaust device, the condensate tank lower end is installed solidifying by pipeline
Bear water pump B.
Heat-exchanging tube bundle of the present invention includes downstream heat transfer tube bank and counterflow heat exchange tube bank, counterflow heat exchange tube bank upper end installation
Vacuum-pumping tube, counterflow heat exchange tube bank lower end are connect with the condensate water collecting case, and the air supply device includes being mounted on institute
The aspiration channel between downstream heat transfer tube bank and counterflow heat exchange tube bank is stated, 1 or more air inlet, institute are set on the aspiration channel
It states the aspiration channel other end and crosses workshop upper end and connect with boiler fan.
Steam condensation device of the present invention includes the water supply pipe being mounted on vacuum-pumping tube and is mounted on moisturizing tube end
Nozzle, the nozzle are located in vacuum-pumping tube.
Pressure transmitter of the present invention is three, and range is -100kPa~1000kPa.
Aspiration channel of the present invention is two.
Good effect of the present invention is as follows: the present invention by Air-Cooling Island condensed water down-comer directly with condensate pump A entrance phase
Even, condensate pump A entrance is changed into positive pressure from traditional negative pressure, since the condensation water potential energy of 40m height difference, condensate pump is utilized
The consumed power of A will reduce, and improve energy utilization rate, reduce production cost.The control of condensate pump A is as follows simultaneously: three
A three pressure transmitters of condensate pump A entrance take the difference of median and Air-Cooling Island pressure in three values to be greater than
100kPa, condensate pump A allow to start；Median and sky in three pressure transmitter three of condensate pump A entrance three values
The difference of cool island pressure is less than 50kPa, and condensate pump A protection is stopped transport；Three pressure transmitters three of condensate pump A entrance three
It is chain to open accident draining when the difference of median and Air-Cooling Island pressure in value is greater than 260kPa or condensate pump A failure
Air-Cooling Island condensed water is drained into the condensate tank of steam exhaust device by valve, and condensate pump B is to convey various hydrophobic, accident drainings
Device.
A large amount of hot-airs that heat-exchanging tube bundle exports air cooling blower fan discharge are conveyed to boiler air-supply by air supply tube by the present invention
Machine is transported to burning in boiler, makes full use of thermal energy.
Coolant-temperature gage is lower in water supply pipe, it is exchanged heat with the water vapour in adverse current tube bundle top header by nozzle, makes to steam
The condensed condensed water of vapour and heating after moisturizing drop in condensate water collecting case jointly, make vacuum lead extract out only
Incondensable gas improves the working performance of vacuum pump to recycle steam, improves the economy of unit.
Detailed description of the invention
Attached drawing 1 is schematic structural view of the invention；
Attached drawing 2 is condensate water collecting tank mounting structure schematic diagram of the present invention；
Attached drawing 3 is aspiration channel structural schematic diagram of the present invention；
Attached drawing 4 is water supply pipe structural schematic diagram of the present invention.
In the accompanying drawings: 1 steam pipe, 2 heat-exchanging tube bundles, 3 condensate water collecting casees, 4 condensed water down-comers, 5 condensate pump A, 6 rows
Vapour device, 61 steam chests, 62 condensate tanks, 63 accident drain valves, 64 condensate pump B, the tube bank of 7 downstream heat transfers, 8 counterflow heat exchange pipes
Beam, 9 vacuum-pumping tubes, 10 air cooling blower fans, 11 aspiration channels, 12 air inlets, 13 boiler fans, 14 water supply pipes, 15 pressure transmitters,
16 workshops, 17 nozzles.
Specific embodiment
As shown in attached drawing 1-4, the present invention includes steam exhaust device 6, the steam pipe 1 being connect by pipeline with steam exhaust device 6, pacifies
The heat-exchanging tube bundle 2 that is connected to mounted in 1 bottom of steam pipe with its inner cavity is mounted on the condensation that 2 lower end of heat-exchanging tube bundle is connected to its inner cavity
Water collection tank 3 installs air cooling blower fan 10 between the heat-exchanging tube bundle 2；Pass through condensed water in 3 lower end of condensate water collecting case
Down-comer 4 installs condensate pump A5；Air supply device is installed between the two column heat-exchanging tube bundle 2, in counterflow heat exchange tube bundle top
Steam condensation device is installed.
The present invention installs three pressure transmitters 15 on the condensed water down-comer 4, range be -100kPa~
1000kPa；Steam exhaust device 6 includes being located at the steam chest 61 above deflector and the condensate tank 62 below deflector,
Accident drain valve 63 is installed on the condensed water down-comer 4,63 other end of accident drain valve is filled by pipeline and steam discharge
The connection of condensate tank 62 is set, condensate pump B64 is installed by pipeline in 62 lower end of condensate tank.
Heat exchanger tube 2 of the present invention includes downstream heat transfer pipe 7 and counterflow heat exchange pipe 8, and 8 upper end of counterflow heat exchange pipe passes through top
Header 18 installs vacuum-pumping tube 9, and 8 lower end of counterflow heat exchange pipe is connect with the condensate water collecting case 3, the air supply device packet
The aspiration channel 11 being mounted between the two column downstream heat transfer tube bank 7 and counterflow heat exchange tube bank 8 is included, the aspiration channel 11 is two
Root；1 or more air inlet 12 is set on the aspiration channel 11, and 11 other end of aspiration channel is sent by workshop 16 with boiler
Blower 13 connects.
Steam condensation device of the present invention includes the water supply pipe 14 being mounted on vacuum-pumping tube 9 and is mounted on 14 end of water supply pipe
The nozzle 17 in portion, the nozzle 17 are located in vacuum-pumping tube 9.
The present invention is directly connected by condensed water down-comer 4 with condensate pump A5 entrance, and condensate pump A5 entrance is from tradition
Negative pressure be changed into positive pressure, due to being utilized the condensation water potential energy of 40m height difference, the consumed power of condensate pump A5 will be reduced, and be mentioned
High energy utilization rate, reduces production cost.The control of condensate pump A5 is as follows: three condensate pump A5 entrances, three pressure
The difference of median and Air-Cooling Island pressure in transmitter is greater than 100kPa, and condensate pump A5 allows to start；Condensate pump A5 enters
The difference of median and Air-Cooling Island pressure in three pressure transmitter three values of mouth is less than 50kPa, and condensate pump A5 protection stops
Fortune；The difference of median and Air-Cooling Island pressure in the pressure transmitter 15 3 of condensate pump A5 entrance three value is greater than 260kPa
It is chain to open accident drain valve 63 or when condensate pump A5 breaks down, the condensed water in Air-Cooling Island condensed water down-comer 4 is arranged
Enter into the condensate tank 62 of steam exhaust device, condensate pump B64 is as various hydrophobic, accidents draining the devices of conveying.
A large amount of hot-airs of the outlet of heat-exchanging tube bundle 7 discharge are conveyed to boiler fan 13 by aspiration channel 11 by the present invention,
It is transported to burning in boiler, makes full use of its thermal energy.Coolant-temperature gage is lower in water supply pipe 14, by nozzle 17 by itself and vacuum tube 9
In water vapour heat exchange, make the condensed condensed water of steam and heating after moisturizing drop in condensate water collecting case 3 jointly, change
The operating condition of vacuum pump has been apt to it, has recycled steam, has improved the economy of unit.
Finally, it is stated that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not intended to limit the invention, it is all
Any modification, equivalent replacement or improvement etc., should be included in guarantor of the invention made by within the spirit and principles in the present invention
Within the scope of shield.
Claims (5)
1. a kind of Air-Cooling Island surplus energy utility system, it is characterised in that it includes steam exhaust device (6), by pipeline and steam exhaust device
(6) steam pipe (1) that connects is mounted on heat-exchanging tube bundle (2) that steam pipe (1) bottom is connected to its inner cavity, is mounted on heat exchanger tube
The condensate water collecting case (3) that beam (2) lower end is connected to its inner cavity；Air cooling blower fan (10) are installed between the heat-exchanging tube bundle (2)；
Condensate pump A(5 is installed by condensed water down-comer (4) in condensate water collecting case (3) lower end)；
Air supply device and steam condensation device are installed between the heat-exchanging tube bundle (2)；
Pressure transmitter (15) are installed on the condensed water down-comer (4)；The steam exhaust device (6) includes being located on deflector
The steam chest (61) and the condensate tank (62) below deflector of side, install thing on the condensed water down-comer (4)
Therefore drain valve (63), accident drain valve (63) other end are connected to by pipeline with the condensate tank (62) of steam exhaust device (6),
Condensate tank (62) lower end condensate pump B(64 is installed by pipeline).
2. a kind of Air-Cooling Island surplus energy utility system according to claim 1, it is characterised in that heat-exchanging tube bundle (2) includes fair current
Heat-exchanging tube bundle (7) and counterflow heat exchange tube bank (8), counterflow heat exchange tube bank (8) upper end installation vacuum-pumping tube (9), the adverse current
Heat-exchanging tube bundle (8) lower end is connect with the condensate water collecting case (3), and the air supply device includes being mounted on the downstream heat transfer pipe
1 or more air inlet is arranged in aspiration channel (11) between beam (7) and counterflow heat exchange tube bank (8) on the aspiration channel (11)
(12), aspiration channel (11) other end is crossed workshop upper end (16) and is connect with boiler fan (13).
3. a kind of Air-Cooling Island surplus energy utility system according to claim 2, it is characterised in that steam condensation device includes peace
Water supply pipe (14) on vacuum-pumping tube (9) and the nozzle (17) for being mounted on water supply pipe (14) end, the nozzle (17)
In vacuum-pumping tube (9).
4. a kind of Air-Cooling Island surplus energy utility system according to claim 1, it is characterised in that the pressure transmitter (15)
It is three, range is -100kPa~1000kPa.
5. a kind of Air-Cooling Island surplus energy utility system according to claim 2, it is characterised in that the aspiration channel (11) is two
Root.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710947518.XA CN107906974B (en) | 2017-10-12 | 2017-10-12 | A kind of Air-Cooling Island surplus energy utility system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710947518.XA CN107906974B (en) | 2017-10-12 | 2017-10-12 | A kind of Air-Cooling Island surplus energy utility system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107906974A CN107906974A (en) | 2018-04-13 |
| CN107906974B true CN107906974B (en) | 2019-03-22 |
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ID=61840448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710947518.XA Active CN107906974B (en) | 2017-10-12 | 2017-10-12 | A kind of Air-Cooling Island surplus energy utility system |
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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645238A (en) * | 2018-07-03 | 2018-10-12 | 江苏中伟机械制造有限公司 | Condensed water active retracting device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4905474A (en) * | 1988-06-13 | 1990-03-06 | Larinoff Michael W | Air-cooled vacuum steam condenser |
| JPH0894098A (en) * | 1994-09-26 | 1996-04-12 | Sanki Eng Co Ltd | Drain discharging device of steam heat source heat exchanger |
| US5787970A (en) * | 1994-12-06 | 1998-08-04 | Larinoff; Michael W. | Air-cooled vacuum steam condenser with mixed flow bundle |
| CN204100844U (en) * | 2014-10-16 | 2015-01-14 | 北京科利洁环境科技有限公司 | Thermal power plant's Air-cooled Unit hot-air recycling system |
| CN205860801U (en) * | 2016-07-27 | 2017-01-04 | 双良节能系统股份有限公司 | direct air cooling system with peak cooling device |
-
2017
- 2017-10-12 CN CN201710947518.XA patent/CN107906974B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4905474A (en) * | 1988-06-13 | 1990-03-06 | Larinoff Michael W | Air-cooled vacuum steam condenser |
| JPH0894098A (en) * | 1994-09-26 | 1996-04-12 | Sanki Eng Co Ltd | Drain discharging device of steam heat source heat exchanger |
| US5787970A (en) * | 1994-12-06 | 1998-08-04 | Larinoff; Michael W. | Air-cooled vacuum steam condenser with mixed flow bundle |
| CN204100844U (en) * | 2014-10-16 | 2015-01-14 | 北京科利洁环境科技有限公司 | Thermal power plant's Air-cooled Unit hot-air recycling system |
| CN205860801U (en) * | 2016-07-27 | 2017-01-04 | 双良节能系统股份有限公司 | direct air cooling system with peak cooling device |
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| Publication number | Publication date |
|---|---|
| CN107906974A (en) | 2018-04-13 |
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