CN107345658A - A kind of device for making exhaust steam be converted into condensed water based on refrigeration modes - Google Patents
A kind of device for making exhaust steam be converted into condensed water based on refrigeration modes Download PDFInfo
- Publication number
- CN107345658A CN107345658A CN201710602123.6A CN201710602123A CN107345658A CN 107345658 A CN107345658 A CN 107345658A CN 201710602123 A CN201710602123 A CN 201710602123A CN 107345658 A CN107345658 A CN 107345658A
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- Prior art keywords
- exhaust steam
- water
- refrigeration
- condensed water
- converted
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D11/00—Feed-water supply not provided for in other main groups
- F22D11/02—Arrangements of feed-water pumps
- F22D11/06—Arrangements of feed-water pumps for returning condensate to boiler
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Water Supply & Treatment (AREA)
Abstract
The invention discloses a kind of device for making exhaust steam be converted into condensed water based on refrigeration modes, exhaust steam is introduced into refrigeration unit, exhaust steam is done work in refrigeration machine, latent heat is converted by absorption for condensed water, it is simultaneously enough by carrying out heat exchange with condensed water or exhaust steam by the water at low temperature and can of refrigeration machine production, the cooling water that cooling effect is played due to the refrigerant in the steam and condensed water and refrigeration machine in exhaust steam pipeline and the water at low temperature of generation and to refrigerant is all to be carried out in each self-enclosed pipeline by heat exchange method, therefore, without the loss of any moisture content, fundamentally solves the drawbacks of conventional clammy and all types of air cooling systems, reduce cost of investment and operating cost on a large scale；Exhaust steam is quickly converted into condensed water because being cooled, so that higher vacuum is maintained in exhaust steam pipeline, accordingly, it is capable to the operational efficiency of generator is improved, and it is very low without the excess loss to fuel and electricity, the overall operation cost of the present apparatus.
Description
Technical field
It is unconventional clammy with air cooling apparatus engineering field the invention belongs to steam power plant's exhaust steam, and in particular to one kind is based on refrigeration
Mode makes exhaust steam be converted into the device of condensed water.
Background technology
No matter its fuel supplies the form such as difference such as coal, gas, oil, rubbish, nuclear material for traditional steam power plant, and it distributes electricity
Exhaust steam will use cooling water temperature in cooling tower, be changed into after the condensed water of suitable temperature for reusing.This is steam power plant
The inevitable requirement of operating mode.
Cooled by traditional cooling tower to exhaust steam, because it uses open system mode all to have substantial amounts of water every year with water vapour
Form is dispersed into air, this consumption for general steam power plant also in ten-million-ton scale, at present cooling water per ton
Reason expense calculates, and this is also a no small consumption.And also bring no small pressure to power plant's addressing, operation because water consume is larger
Power.Especially in the less area of water resource.
Air cooling system is proposed in order to solve the current thermoelectricity field of this problem, traditional cooling tower water consumption can be effectively improved
The problem of big, more than 3/4 can be economized on water, but also generate some problems therewith in use, its general condition is as follows：
Being currently used for the air cooling system that steam power plant substitutes traditional humid-cool system mainly has three kinds of forms, i.e. Direct Air-Cooled, table
Face formula condenser indirect air cooling system (Harmon formula), direct-contact type condenser indirect air cooling system (Hai Leshi).Here just no longer have
Body illustrates its structure type and operation principle, is only sketched with regard to its main advantage and disadvantage in practice.
The advantages of direct air cooling system is that one-time investment is low, is easy to realize the equal of cooling air under all atmospheric temperatures
Uniform Stable distritation.Power plant's entirety floor space is small.
Shortcoming is that (1) blower fan consumption electric power is big, and direct air cooling system accounts for 1.5% or so of unit generation capacity from power consumption.
(2) turbine back pressure luffing is big, and its back pressure changes with air temperature variations.(3) vacuum system is huge.
The advantages of Harmon formula indirect air cooling system is that (1) saves power plant's electricity consumption, and equipment is few, cooling water system and boiler circuit
Separate, both water quality can be controlled by respective requirement.(2) cooling water inflow is according to seasonal adjustment.(3) air cooling heat radiator is in Ta Neibu
Put, substantially not by the ability of its on-load of adverse weather conditions.
Shortcoming is that (1) air cooling tower takes up an area greatly, and big (2) the generating coal of capital expenditure is about 105% more than conventional wet type cooling unit；(3)
Need to exchange heat and belong to surface heat exchanging twice in system, declined power plant's entirety thermal efficiency.
The advantages of Hai Leshi direct-contact type condenser indirect air cooling systems is that (1) is run with the low pressure water system of pressure-fired, easily
, can be supporting with middle back pressure turbine in manipulation, (2) cooling system consumption power is low, and floor space is moderate, and investment is relatively low.
Shortcoming is that (1) system anti-freezing property is poor, and (2) air cooling heat radiator is arranged easily outside tower by its bringing onto load energy of big wind effect
Power (3) device systems are complicated, and (4) cooling water directly contacts with exhaust steam in steam turbine.
The content of the invention
It is an object of the invention to overcome above-mentioned deficiency, there is provided a kind of exhaust steam is converted into condensed water based on refrigeration modes
Device, can efficiently, reliable, economical exhaust steam is converted into condensed water.
In order to achieve the above object, the present invention includes some power units, and each power unit includes connection generator
With the steam turbine of boiler, the exhaust steam of steam turbine is accessed in the condenser in refrigeration unit, the low temperature water circulation pipe of refrigeration unit
On be provided with heat exchanger, heat exchanger is arranged on the exhaust steam entrance pipe of refrigeration unit or the condensation-water drain of refrigeration unit
On pipeline, the refrigerant of refrigeration unit is connected with water admixing device, and the condensed water of refrigeration unit after heater by accessing in boiler.
Gas-distributing cylinder is provided between the steam turbine and refrigeration unit, gas-distributing cylinder connects refrigeration unit by some sub-steam pipe roads
Or divide vapour heat exchanger, accessed after being passed through the exhaust steam heat exchange of point vapour heat exchanger in the condensate line in refrigeration unit downstream, divide vapour to change
Hot device is connected with low temperature water circulation pipe.
The exhaust steam of the steam turbine is accessed in refrigeration unit by vapour booster pump.
The condensed water and water treatment facilities of the entrance connection refrigeration unit of the water admixing device, water treatment facilities are passed through original
Water.
The water admixing device is accessed in the refrigerant in refrigeration unit by refrigerant cooling water circulating pump.
The cooling water backwater access boiler of the refrigerant.
The cooling water backwater of the refrigerant and the condensed water of refrigeration unit pass sequentially through condensate pump, low-pressure heater,
In oxygen-eliminating device and high-pressure heater access boiler.
The water at low temperature of the refrigeration unit is passed through in low temperature water circulation pipe by low temperature water-circulating pump.
The refrigeration unit includes refrigerant at least provided with a refrigeration machine, each refrigeration machine.
Compared with prior art, exhaust steam is introduced into refrigeration unit by the present invention, and exhaust steam is done work in refrigeration machine, passes through condensation
Latent heat is converted by absorption for condensed water after device, at the same by refrigeration machine production water at low temperature and can it is enough by with condensed water or weary
Vapour carries out heat exchange, due to the steam in exhaust steam pipeline and condensed water and the refrigerant in refrigeration machine and the water at low temperature of generation and right
Refrigerant rise cooling effect cooling water be all to be carried out in each self-enclosed pipeline by heat exchange method, therefore, without appoint
The loss of what moisture content, fundamentally solve it is conventional it is clammy with all types of air cooling systems the drawbacks of, reduce on a large scale investment into
Sheet and operating cost；Exhaust steam is quickly converted into condensed water because being cooled, so that maintaining higher vacuum in exhaust steam pipeline
Degree, it is possible to increase the operational efficiency of generator, the present apparatus be not very low to the excess loss of fuel and electricity, overall operation cost；
The water admixing device that the present apparatus is set can adjust the temperature of the liquid of cooling refrigerant in real time, ensure that the operating efficiency of refrigerant.
Further, the present invention can not only be cooled down by the cooling water in the external world to the cold coal in refrigeration machine, also can
It is enough by being carried out for the freshly prepd supplement water (normal temperature) of electricity generation boiler and mixing water that desuperheated condensed water has been formed, right
Refrigerant is completed to be pushed into condensing water conduit by water circulating pump after cooling, and thus eliminating will lead to as conventional large-size air conditioning equipment
Cold water device often is set exclusively for cooling water, reduces construction cost.
Further, the present invention is provided with vapour booster pump, can lift the operating efficiency of refrigeration machine or reduce refrigeration machine
Volume, further reduce cost.
Further, the refrigeration machine in the present invention can set one or more so that the floor space size of the present apparatus
It is adjustable, improve the flexibility of present apparatus assembling.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Wherein, 1, steam turbine；2nd, generator；3rd, boiler；4th, refrigeration machine；5th, heat exchanger；6th, water admixing device；7th, water process
Equipment；8th, refrigerant cooling water circulating pump；9th, refrigerant；10th, condensate pump；11st, low-pressure heater；12nd, oxygen-eliminating device；13rd, high pressure adds
Hot device；14th, low temperature water-circulating pump；15th, vapour booster pump；16th, gas-distributing cylinder；17th, vapour heat exchanger is divided.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
Referring to Fig. 1, the present invention includes some power units, and each power unit includes connecting generator 2 and boiler 3
Steam turbine 1, the exhaust steam of steam turbine 1 are accessed in the condenser in refrigeration unit 4 by vapour booster pump 15, refrigeration unit 4 it is low
Warm water is passed through in low temperature water circulation pipe by low temperature water-circulating pump 14, is provided with the low temperature water circulation pipe of refrigeration unit 4
Two heat exchangers 5, two heat exchangers 5 are arranged on the condensed water with refrigeration unit 4 on the exhaust steam entrance pipe of refrigeration unit 4
On export pipeline, the refrigerant 9 of refrigeration unit 4 is connected with water admixing device 6, the condensation of the entrance connection refrigeration unit 4 of water admixing device 6
Water and water treatment facilities 7, water treatment facilities 7 are passed through raw water, and water admixing device 6 accesses refrigeration machine by refrigerant cooling water circulating pump 8
In refrigerant 9 in group 4, the cooling water backwater of refrigerant 9 accesses boiler 3, the cooling water backwater of refrigerant 9 and the condensation of refrigeration unit 4
Water passes sequentially through condensate pump 10, low-pressure heater 11, oxygen-eliminating device 12 and high-pressure heater 13 and accessed in boiler 3.
Preferably, gas-distributing cylinder 16 is provided between steam turbine 1 and refrigeration unit 4, gas-distributing cylinder 16 is connected by some sub-steam pipe roads
Connect refrigeration unit 4 or divide vapour heat exchanger 17, be passed through the condensation in access refrigeration unit 4 downstream after the exhaust steam heat exchange of point vapour heat exchanger 17
In water lines, vapour heat exchanger 17 is divided to be connected with low temperature water circulation pipe.
Preferably, refrigeration unit 4 includes refrigerant 9 at least provided with a refrigeration machine, each refrigeration machine.
Generator 2 is driven to be generated electricity in use, boiler 3 produces steam drive steam turbine 1, the exhaust steam of steam turbine 1 passes through
Vapour booster pump 15 is passed through in refrigeration machine 4, and exhaust steam is converted into condensed water in refrigeration machine 4, and latent heat is cold by water at low temperature and refrigerant 9
But water is absorbed, and water at low temperature is passed through in two heat exchangers 5 by low temperature water-circulating pump 14, and two heat exchangers are separately positioned on
On the exhaust steam entrance pipe of refrigeration machine 4 and on the condensation-water drain pipeline of refrigeration machine, water at low temperature carries out heat to exhaust steam and condensed water
Reentered after exchange in refrigeration machine 4, raw water is mixed into refrigeration by entering water admixing device 6, water admixing device 6 after water treatment facilities 7
It is passed through after the condensed water that machine 4 is discharged by refrigerant cooling water circulating pump 8 in the refrigerant 9 in refrigeration machine 4, refrigerant is cooled,
The condensed water of cooling water backwater after cooling and refrigeration machine 4 together enters in condensate pump 10, then by low-pressure heater 11, remove
Oxygen device 12 and high-pressure heater 13 are passed through in boiler 3 after being heated to suitable temperature.
Gas-distributing cylinder 16 is provided between steam turbine 1 and refrigeration unit 4, shallow bid exhaust steam divides vapour to change by entering after gas-distributing cylinder 16
Hot device 17, the water at low temperature divided in vapour heat exchanger 17 exchange heat to exhaust steam, enter condensate line after exhaust steam liquefaction, after heat exchange
Water at low temperature is reentered in low temperature water circulation pipe.
Claims (9)
1. a kind of device for making exhaust steam be converted into condensed water based on refrigeration modes, it is characterised in that including some power units, often
Individual power unit includes the steam turbine (1) of connection generator (2) and boiler (3), the exhaust steam access refrigeration unit of steam turbine (1)
(4) in the condenser in, heat exchanger (5) is provided with the low temperature water circulation pipe of refrigeration unit (4), heat exchanger (5) is set
Put on the exhaust steam entrance pipe of refrigeration unit (4) or on the condensation-water drain pipeline of refrigeration unit (4), refrigeration unit (4)
Refrigerant (9) is connected with water admixing device (6), and the condensed water of refrigeration unit (4) after heater by accessing in boiler (3).
A kind of 2. device for making exhaust steam be converted into condensed water based on refrigeration modes according to claim 1, it is characterised in that
Gas-distributing cylinder (16) is provided between the steam turbine (1) and refrigeration unit (4), gas-distributing cylinder (16) is connected by some sub-steam pipe roads and made
Cold group (4) divides vapour heat exchanger (17), and refrigeration unit (4) downstream is accessed after being passed through the exhaust steam heat exchange of point vapour heat exchanger (17)
In condensate line, vapour heat exchanger (17) is divided to be connected with low temperature water circulation pipe.
A kind of 3. device for making exhaust steam be converted into condensed water based on refrigeration modes according to claim 1, it is characterised in that
The exhaust steam of the steam turbine (1) is accessed in refrigeration unit (4) by vapour booster pump (15).
A kind of 4. device for making exhaust steam be converted into condensed water based on refrigeration modes according to claim 1, it is characterised in that
The condensed water and water treatment facilities (7) of the entrance connection refrigeration unit (4) of the water admixing device (6), water treatment facilities (7) are passed through
Raw water.
A kind of 5. device for making exhaust steam be converted into condensed water based on refrigeration modes according to claim 1, it is characterised in that
The water admixing device (6) is accessed in the refrigerant (9) in refrigeration unit (4) by refrigerant cooling water circulating pump (8).
A kind of 6. device for making exhaust steam be converted into condensed water based on refrigeration modes according to claim 1, it is characterised in that
The cooling water backwater access boiler (3) of the refrigerant (9).
A kind of 7. device for making exhaust steam be converted into condensed water based on refrigeration modes according to claim 6, it is characterised in that
The cooling water backwater of the refrigerant (9) and the condensed water of refrigeration unit (4) pass sequentially through condensate pump (10), low-pressure heater
(11), in oxygen-eliminating device (12) and high-pressure heater (13) access boiler (3).
A kind of 8. device for making exhaust steam be converted into condensed water based on refrigeration modes according to claim 1, it is characterised in that
The water at low temperature of the refrigeration unit (4) is passed through in low temperature water circulation pipe by low temperature water-circulating pump (14).
A kind of 9. device for making exhaust steam be converted into condensed water based on refrigeration modes according to claim 1, it is characterised in that
The refrigeration unit (4) includes refrigerant (9) at least provided with a refrigeration machine, each refrigeration machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710602123.6A CN107345658B (en) | 2017-07-21 | 2017-07-21 | A kind of device for making steam exhaust be converted into condensed water based on refrigeration modes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710602123.6A CN107345658B (en) | 2017-07-21 | 2017-07-21 | A kind of device for making steam exhaust be converted into condensed water based on refrigeration modes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107345658A true CN107345658A (en) | 2017-11-14 |
| CN107345658B CN107345658B (en) | 2019-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710602123.6A Expired - Fee Related CN107345658B (en) | 2017-07-21 | 2017-07-21 | A kind of device for making steam exhaust be converted into condensed water based on refrigeration modes |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111023617A (en) * | 2019-12-28 | 2020-04-17 | 郑晓昱 | Device and method for cooling dead steam cooling water based on refrigeration mode |
| CN111023618A (en) * | 2019-12-28 | 2020-04-17 | 郑晓昱 | Device and method for converting exhaust steam into condensate water by taking flue gas of thermoelectric boiler as power |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101571281A (en) * | 2008-04-30 | 2009-11-04 | 陈万仁 | Recycling system for exhaust steam of electric power plant |
| CN101788142A (en) * | 2009-05-27 | 2010-07-28 | 王世英 | Steam condensate water recovery treatment and residual-heat utilizing system and method thereof |
| CN203848705U (en) * | 2014-05-13 | 2014-09-24 | 阿姆斯壮机械（中国）有限公司 | Exhausted steam recycling system |
| CN104848199A (en) * | 2015-04-23 | 2015-08-19 | 张中印 | Method for recovering waste heat from power plant through absorption heat pump to heat boiler water |
-
2017
- 2017-07-21 CN CN201710602123.6A patent/CN107345658B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101571281A (en) * | 2008-04-30 | 2009-11-04 | 陈万仁 | Recycling system for exhaust steam of electric power plant |
| CN101788142A (en) * | 2009-05-27 | 2010-07-28 | 王世英 | Steam condensate water recovery treatment and residual-heat utilizing system and method thereof |
| CN203848705U (en) * | 2014-05-13 | 2014-09-24 | 阿姆斯壮机械（中国）有限公司 | Exhausted steam recycling system |
| CN104848199A (en) * | 2015-04-23 | 2015-08-19 | 张中印 | Method for recovering waste heat from power plant through absorption heat pump to heat boiler water |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111023617A (en) * | 2019-12-28 | 2020-04-17 | 郑晓昱 | Device and method for cooling dead steam cooling water based on refrigeration mode |
| CN111023618A (en) * | 2019-12-28 | 2020-04-17 | 郑晓昱 | Device and method for converting exhaust steam into condensate water by taking flue gas of thermoelectric boiler as power |
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| Publication number | Publication date |
|---|---|
| CN107345658B (en) | 2019-05-17 |
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Effective date of registration: 20201118 Address after: 714000 No. sixteen, South Road, Linwei District, Shaanxi, Weinan Patentee after: Zheng Xiaoyu Patentee after: Zheng Xiaoming Patentee after: Zheng Xiaojin Address before: 710061 Shanxi Province Beilin District Grassland Slope a word no. 50 a 1 unit 10801-3 Patentee before: XI'AN JUSHAN ENERGY TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20190517 |