CN108332447A - A kind of air-conditioning system using power plant's exhaust heat refrigeration - Google Patents
A kind of air-conditioning system using power plant's exhaust heat refrigeration Download PDFInfo
- Publication number
- CN108332447A CN108332447A CN201711496157.8A CN201711496157A CN108332447A CN 108332447 A CN108332447 A CN 108332447A CN 201711496157 A CN201711496157 A CN 201711496157A CN 108332447 A CN108332447 A CN 108332447A
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- China
- Prior art keywords
- water
- steam
- brli chiller
- pipeline
- pressure
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
-
- 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
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
- F25B15/02—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
- F25B15/06—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being water vapour evaporated from a salt solution, e.g. lithium bromide
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- 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
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
Abstract
A kind of air-conditioning system using power plant's exhaust heat refrigeration,By the steam inside back pressure turbine blow-off line,Steam and boiler inside higher-pressure deaerator blow-off line enter after arranging the mixing of the steam in flash tank exhausted steam duct surely in BrLi chiller,Cold water after refrigeration enters air-conditioning system after water supply pump pressurizes,Water circulating pump utilizes original circulating water BrLi chiller and original cooling tower cooling circulating water,After cold water is lost,Small pump is thrown the demineralized water in sweet-water tank in cold water by desalination waterpipe,Chilled water system and circulation have safety valve,When pressure reaches working value,Safety valve action,Steam condensate involved by this technological process returns to lower water box,Use a kind of air-conditioning system using power plant's exhaust heat refrigeration of the present invention,Not only high pressure oxygen scavenger is vented,The waste heat that back pressure turbine steam discharge and boiler arrange flash vessel exhaust surely is recycled,Also improve safe productivity.
Description
Technical field
The present invention relates to power plant's exhaust gas recoveries to utilize field more particularly to a kind of air-conditioning using power plant's exhaust heat refrigeration
System.
Background technology
Currently, traditional power plant's back pressure machine steam discharge is recovered to oxygen-eliminating device utilization, higher-pressure deaerator steam discharge and boiler arrange expansion surely
Container steam discharge direct emission not only causes thermal loss, but also brings hidden danger to safe operation.
Invention content
It is a kind of using power plant's exhaust heat refrigeration present invention aims in place of, overcome the deficiencies in the prior art, providing
Air-conditioning system, high pressure oxygen scavenger can be not only vented, back pressure turbine steam discharge and boiler arrange surely the waste heat of flash vessel exhaust into
Row recycles, and can also improve safe productivity.
A kind of air-conditioning system using power plant's exhaust heat refrigeration of the present invention, includes higher-pressure deaerator exhaust pipe
Road, back pressure turbine blow-off line, boiler arrange flash vessel discharge duct, BrLi chiller and cooling tower, lithium bromide surely
Refrigeration unit upper end is provided with pipeline, and gate valve is provided on the pipeline, connects and sets on the pipeline of the BrLi chiller
It sets there are three branch pipe, is respectively arranged with shut-off valve and check valves on described three branch pipes, one of branch pipe is connected with
Higher-pressure deaerator discharge duct；One branch pipe is connected with back pressure turbine blow-off line；One branch pipe is connected with pot
Stove arranges flash vessel discharge duct surely, and the left side of the BrLi chiller is connected with center above with pipeline and butterfly valve
Air-conditioning system cold-water return pipeline, the BrLi chiller are connected with two branch pipes below by pipeline, and described two
The centre of a branch pipe is separately connected setting there are one water supply pump, and the both ends of the water supply pump are respectively set that there are one butterfly valves, described
The other end of two branch pipes is connect with central air conditioner system cold water supplying pipe road, described two branch pipes and central air conditioner system cold water
The junction of water supply line is provided with the shut-off valve for arranging air, the pipeline connection setting below the BrLi chiller
There are one subtube, it is provided with the shut-off valve for arranging air on the subtube, two are connected on the subtube
The centre of branch pipe, described two branch pipes is separately connected small pump there are one settings, and the both ends of the small pump, which are separately connected, to be set
It sets there are one butterfly valve, the other end of described two branch pipes is connected with water supply tank, and the water supply tank is connected to desalination waterpipe,
Recirculated cooling water is connected with above with butterfly valve come waterpipe, the recirculated cooling water on the right side of the BrLi chiller
The other end for carrying out waterpipe is connected with two branch pipes, and the intermediate position of each branch pipe is connected with a recirculated water
The both ends of pump, the water circulating pump are respectively set there are one butterfly valve, and the other end of the branch pipe is connected with cooling tower, institute
The right side for stating BrLi chiller is connected with cooling water return pipeline, the recirculated cooling water below by butterfly valve
The other end of water return pipeline is connect with cooling tower, and the bottom end of the BrLi chiller is connected by coagulation hydroenergy backwater pipeline
It is provided with lower water box.
Further, the higher-pressure deaerator pressure at expulsion is 0.2Mpa, and temperature is 150 °C, the back pressure turbine row
Steam pressure is 0.2Mpa, and temperature is 200 °C, and it is 0.15Mpa that the boiler arranges flash vessel pressure at expulsion surely, and temperature is 150 °C, institute
State the mixed pressure 0.15-0.2Mpa of steam, temperature is 150-200 DEG C, the BrLi chiller design into vapour pressure
Power 0.15-0.2Mpa, 150-200 DEG C of temperature, by steam, the higher-pressure deaerator blow-off line inside back pressure turbine blow-off line
Internal steam and boiler enters after arranging the mixing of the steam in flash tank exhausted steam duct surely in BrLi chiller, the back pressure
Steam inside steam, higher-pressure deaerator blow-off line and boiler inside turbine discharge pipeline arrange flash tank exhausted steam duct surely
Interior steam can also be supplied individually, and the cold water after refrigeration enters air-conditioning system after water supply pump pressurizes, and water circulating pump utilizes
Original circulating water BrLi chiller and original cooling tower cooling circulating water, after cold water is lost, small pump
Demineralized water in sweet-water tank to be thrown by desalination waterpipe in cold water, chilled water system and circulation have safety valve,
When pressure reaches working value, safety valve action, the steam condensate involved by this technological process returns to lower water box, uses hot water
Blowback is received.
A kind of air-conditioning system using power plant's exhaust heat refrigeration of the present invention, overall structure is simple, operates with
Convenient, stability is good, and reliability is high, using a kind of air-conditioning system using power plant's exhaust heat refrigeration of the present invention, no
The waste heat for only arranging the exhaust of high pressure oxygen scavenger, back pressure turbine steam discharge and boiler flash vessel exhaust surely is recycled, and is also carried
High safe productivity.
Description of the drawings
Attached drawing 1 is a kind of structural schematic diagram of air-conditioning system using power plant's exhaust heat refrigeration of the present invention.
1- higher-pressure deaerator discharge duct 2- back pressure turbine blow-off line 3- boilers arrange flash vessel discharge duct surely
4- BrLi chiller 5- recirculated cooling waters carry out waterpipe 6- water circulating pump 7- cooling tower 8- recirculated cooling waters
Water return pipeline 9- lower water box 10- coagulation hydroenergy backwater pipeline 11- small pump 12- water supply tank 13- desalination waterpipes
14- central air conditioner system cold water supplying pipes road 15- central air conditioner system cold-water return pipeline 16- water supply pumps.
Specific implementation mode
It is described in conjunction with the embodiments referring now to attached drawing 1 as follows：A kind of air-conditioning system using power plant's exhaust heat refrigeration, including
There are higher-pressure deaerator discharge duct 1, back pressure turbine blow-off line 2, boiler to arrange flash vessel discharge duct 3, lithium bromide refrigerating surely
Unit 4 and cooling tower 7,4 upper end of BrLi chiller are provided with pipeline, and gate valve, the bromination are provided on the pipeline
It is connected with three branch pipes on the pipeline of lithium refrigeration unit 4, shut-off valve is respectively arranged on described three branch pipes and returns only
Valve, one of branch pipe are connected with higher-pressure deaerator discharge duct 1；One branch pipe is connected with back pressure turbine steam discharge
Pipeline 2；One branch pipe is connected with boiler and arranges flash vessel discharge duct 3 surely, above the left side of the BrLi chiller 4
It is connected with central air conditioner system cold-water return pipeline 15 by pipeline and butterfly valve, the BrLi chiller 4 is logical below
Piping is connected with two branch pipes, and the centre of described two branch pipes is separately connected water supply pump 16 there are one settings, described cold
The both ends of water pump 16 are respectively set there are one butterfly valve, the other end and the central air conditioner system cold water supplying pipe road of described two branch pipes
14 connections, the junction of described two branch pipes and central air conditioner system cold water supplying pipe road 14 are provided with the cut-off for arranging air
Valve, the pipeline below the BrLi chiller 4 are connected with a subtube, are provided on the subtube for arranging
The shut-off valve of air is connected with two branch pipes on the subtube, and the centre of described two branch pipes is separately connected setting
There are one small pump 11, the both ends of the small pump 11 are separately connected butterfly valve there are one settings, the other end of described two branch pipes
It is connected with water supply tank 12, the water supply tank is connected to desalination waterpipe 13, and 4 right side of the BrLi chiller is logical above
It crosses butterfly valve and is connected with recirculated cooling water and carry out waterpipe 5, the other end that the recirculated cooling water carrys out waterpipe 5 is connected with
The intermediate position of two branch pipes, each branch pipe is connected with a water circulating pump 6, the both ends point of the water circulating pump 6
She Zhi not be there are one butterfly valve, the other end of the branch pipe is connected with cooling tower 7, the right side of the BrLi chiller 4
Side is connected with cooling water return pipeline 8 below by butterfly valve, the other end of the cooling water return pipeline 8 with
Cooling tower 7 connects, and the bottom end of the BrLi chiller 4 is connected with lower water box by coagulation hydroenergy backwater pipeline 10
9。
Further, the higher-pressure deaerator pressure at expulsion is 0.2Mpa, and temperature is 150 °C, the back pressure turbine row
Steam pressure is 0.2Mpa, and temperature is 200 °C, and it is 0.15Mpa that the boiler arranges flash vessel pressure at expulsion surely, and temperature is 150 °C, institute
State the mixed pressure 0.15-0.2Mpa of steam, temperature is 150-200 DEG C, the BrLi chiller 4 design into vapour pressure
Power 0.15-0.2Mpa, 150-200 DEG C of temperature, by steam, the higher-pressure deaerator gland steam exhauster inside back pressure turbine blow-off line 2
Steam and boiler inside road 1 enter after arranging the mixing of the steam in flash tank exhausted steam duct 3 surely in BrLi chiller 4, institute
It states the steam inside back pressure turbine blow-off line 2, the steam inside higher-pressure deaerator blow-off line 1 and boiler and arranges flash vessel surely
Steam in blow-off line 3 can also be supplied individually, and the cold water after refrigeration enters air-conditioning system after the pressurization of water supply pump 16, follows
Ring water pump 6 utilizes original circulating water BrLi chiller 4 and 7 cooling circulating water of original cooling tower, works as cold water
After loss, small pump 11 is thrown the demineralized water in sweet-water tank in cold water by desalination waterpipe, chilled water system and recirculated water
System has safety valve, and when pressure reaches working value, safety valve action, the steam condensate involved by this technological process returns to
Lower water box 9, is recycled with heat-exchanger pump.
A kind of air-conditioning system using power plant's exhaust heat refrigeration of the present invention, overall structure is simple, operates with
Convenient, stability is good, and reliability is high, using a kind of air-conditioning system using power plant's exhaust heat refrigeration of the present invention, no
The waste heat for only arranging the exhaust of high pressure oxygen scavenger, back pressure turbine steam discharge and boiler flash vessel exhaust surely is recycled, and is also carried
High safe productivity.
Claims (2)
1. a kind of air-conditioning system using power plant's exhaust heat refrigeration includes higher-pressure deaerator discharge duct（1）, back pressure steamer
Machine blow-off line（2）, boiler arrange flash vessel discharge duct surely（3）, BrLi chiller（4）And cooling tower（7）, feature
It is, BrLi chiller（4）Upper end is provided with pipeline, and gate valve, the BrLi chiller are provided on the pipeline
（4）Pipeline on be connected with three branch pipes, shut-off valve and check valves are respectively arranged on described three branch pipes, wherein one
A branch pipe is connected with higher-pressure deaerator discharge duct（1）；One branch pipe is connected with back pressure turbine blow-off line
（2）；One branch pipe is connected with boiler and arranges flash vessel discharge duct surely（3）, the BrLi chiller（4）Left side on
Face is connected with central air conditioner system cold-water return pipeline by pipeline and butterfly valve（15）, the BrLi chiller（4）
Two branch pipes are connected with below by pipeline, the centre of described two branch pipes is separately connected water supply pump there are one settings
（16）, the water supply pump（16）Both ends be respectively set there are one butterfly valve, the other end and the central air-conditioning system of described two branch pipes
System cold water supplying pipe road（14）Connection, described two branch pipes and central air conditioner system cold water supplying pipe road（14）Junction setting
The shut-off valve of the row's of being useful for air, the BrLi chiller（4）Following pipeline is connected with a subtube, described
It is provided with the shut-off valve for arranging air on subtube, two branch pipes, described two branch are connected on the subtube
The centre of pipe is separately connected setting, and there are one small pumps（11）, the small pump（11）Both ends be separately connected setting there are one butterfly
The other end of valve, described two branch pipes is connected with water supply tank（12）, the water supply tank and desalination waterpipe（13）Connection, institute
State BrLi chiller（4）Right side is connected with recirculated cooling water above with butterfly valve and carrys out waterpipe（5）, it is described cycle it is cold
But water carrys out waterpipe（5）The other end be connected with two branch pipes, the intermediate position of each branch pipe is connected with one
A water circulating pump（6）, the water circulating pump（6）Both ends be respectively set there are one butterfly valve, the other end connection of the branch pipe is set
It is equipped with cooling tower（7）, the BrLi chiller（4）Right side below by butterfly valve be connected with recirculated cooling water return
Waterpipe（8）, the cooling water return pipeline（8）The other end and cooling tower（7）Connection, the lithium bromide refrigerator
Group（4）Bottom end pass through coagulation hydroenergy backwater pipeline（10）It is connected with lower water box（9）.
2. a kind of technological process of air-conditioning system using power plant's exhaust heat refrigeration according to claim 1, feature
It is, the higher-pressure deaerator pressure at expulsion is 0.2Mpa, and temperature is 150 °C, and the back pressure turbine exhaust steam pressure is
0.2Mpa, temperature are 200 °C, and it is 0.15Mpa that the boiler arranges flash vessel pressure at expulsion surely, and temperature is 150 °C, and the steam is mixed
Pressure 0.15-0.2Mpa after conjunction, temperature are 150-200 DEG C, the BrLi chiller（4）The initial steam pressure of design
0.15-0.2Mpa, 150-200 DEG C of temperature, by back pressure turbine blow-off line（2）Steam, the higher-pressure deaerator gland steam exhauster of inside
Road（1）Internal steam and boiler arranges flash tank exhausted steam duct surely（3）Enter BrLi chiller after interior steam mixing（4）
In, the cold water after refrigeration passes through water supply pump（16）Enter air-conditioning system, water circulating pump after pressurization（6）Utilize original recirculated water cooling
But BrLi chiller（4）With original cooling tower（7）Cooling circulating water, after cold water is lost, small pump（11）Removing
Demineralized water in brine tank is thrown by desalination waterpipe in cold water, and chilled water system and circulation have safety valve, work as pressure
When power reaches working value, safety valve action, the steam condensate involved by this technological process returns to lower water box（9）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711496157.8A CN108332447A (en) | 2017-12-31 | 2017-12-31 | A kind of air-conditioning system using power plant's exhaust heat refrigeration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711496157.8A CN108332447A (en) | 2017-12-31 | 2017-12-31 | A kind of air-conditioning system using power plant's exhaust heat refrigeration |
Publications (1)
| Publication Number | Publication Date |
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| CN108332447A true CN108332447A (en) | 2018-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711496157.8A Pending CN108332447A (en) | 2017-12-31 | 2017-12-31 | A kind of air-conditioning system using power plant's exhaust heat refrigeration |
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| CN (1) | CN108332447A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764338A (en) * | 2019-01-16 | 2019-05-17 | 广州环投设计研究院有限公司 | A kind of garbage incinerating power plant is exhaust heat stepped to utilize method |
| CN110360768A (en) * | 2019-06-25 | 2019-10-22 | 华电电力科学研究院有限公司 | A kind of coal-burning power plant's utilizing waste heat for refrigeration system |
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| US6651443B1 (en) * | 2000-10-20 | 2003-11-25 | Milton Meckler | Integrated absorption cogeneration |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764338A (en) * | 2019-01-16 | 2019-05-17 | 广州环投设计研究院有限公司 | A kind of garbage incinerating power plant is exhaust heat stepped to utilize method |
| CN110360768A (en) * | 2019-06-25 | 2019-10-22 | 华电电力科学研究院有限公司 | A kind of coal-burning power plant's utilizing waste heat for refrigeration system |
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Application publication date: 20180727 |
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