CN214581900U - Air conditioner cold and heat source system for gas turbine power plant - Google Patents
Air conditioner cold and heat source system for gas turbine power plant Download PDFInfo
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- CN214581900U CN214581900U CN202120513434.7U CN202120513434U CN214581900U CN 214581900 U CN214581900 U CN 214581900U CN 202120513434 U CN202120513434 U CN 202120513434U CN 214581900 U CN214581900 U CN 214581900U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 194
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical group [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims abstract description 37
- 239000000498 cooling water Substances 0.000 claims description 21
- 238000001816 cooling Methods 0.000 claims description 19
- 238000004378 air conditioning Methods 0.000 claims description 13
- 230000001276 controlling effect Effects 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 12
- 238000002485 combustion reaction Methods 0.000 claims description 10
- 238000011084 recovery Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
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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
- 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
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- Air Conditioning Control Device (AREA)
Abstract
The utility model discloses an air conditioner cold and heat source system for gas turbine power plant, including the air conditioner cold and heat source system body that is used for providing the air conditioner hot and cold water for gas turbine power plant, air conditioner cold and heat source system body mainly includes steam system, steam hot water heat exchanger, steam type lithium bromide unit and air cooled heat pump set, and steam system is used for reducing the temperature and reducing the pressure of the steam in the steam turbine room and conveying to steam hot water heat exchanger or steam type lithium bromide unit; the water outlet end of the steam hot water heat exchanger is connected with the water supply main pipe through the water supply branch pipe and produces and supplies hot water for the air conditioner, the water outlet end of the steam type lithium bromide unit is connected with the water supply main pipe through the water supply branch pipe and produces and supplies cold water for the air conditioner, the water outlet end of the air-cooled heat pump unit is connected with the water supply main pipe through the water supply branch pipe and produces and supplies cold water or hot water for the air conditioner, and the water return ends of the steam hot water heat exchanger, the steam type lithium bromide unit and the air-cooled heat pump unit are respectively connected with the water return main pipe through the water return branch pipes correspondingly arranged so as to recycle return water.
Description
Technical Field
The utility model relates to a gas turbine power plant's air conditioning system and energy-conserving technical field, concretely relates to cold and hot source system of air conditioner for gas turbine power plant.
Background
China has rapid social and economic development and large power demand, but day and night power load changes greatly and the peak regulation requirement of a power grid is high, so that a large number of gas turbine power plants are built to meet the requirement of the social and economic development. The gas turbine power plant has the characteristics of high starting and stopping speed, high overall efficiency and less investment, and is mainly used for power peak regulation, so that the generated energy of the gas turbine power plant is greatly changed and sometimes the gas turbine power plant is stopped. Because the gas turbine power plant can produce a large amount of steam, especially when low-pressure steam is utilized, the power consumption can be effectively reduced, so that the air-conditioning main machine of the gas turbine power plant can adopt a steam type lithium bromide unit, the lithium bromide unit has the characteristics of few moving parts, low failure rate, high reliability and large-range stepless regulation during load regulation, and the steam-water heat exchanger and the steam type lithium bromide unit utilizing the low-pressure steam are suitable for being used as the main machine of the air-conditioning system of the gas turbine power plant. However, because the combustion engine power plant has peak regulation requirements, the load change is large, sometimes steam can not be supplied, but the environmental temperature and humidity of the core department of the power plant need to be ensured, and the requirements of an air conditioning system of the power plant cannot be met by only utilizing the steam at this time. And the air conditioning system generally can dispose the independent cooling tower, and the combustion engine itself can dispose the mechanical cooling tower, and when the cooling heating station is nearer with the combustion engine cooling tower, there is some overlapping investment in two sets of independent cooling towers of combustion engine system and air conditioning system, the waste electric energy.
Disclosure of Invention
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a cold and hot source system of air conditioner for gas turbine power plant, utilize gas turbine power plant's characteristics, realize that the system is energy-conserving to guarantee the environment humiture requirement of the core department of power plant.
The utility model aims at completing through the following technical scheme, a cold and hot source system of air conditioner for gas turbine power plant, including the cold and hot source system body of air conditioner for providing air conditioner hot and cold water for whole gas turbine power plant, the cold and hot source system body of air conditioner mainly includes steam system, steam hot water heat exchanger, steam type lithium bromide unit and air-cooled heat pump unit, steam system is used for reducing the temperature and reducing the pressure of the steam in the steam turbine room and carries to steam hot water heat exchanger or steam type lithium bromide unit; the water outlet end of the steam hot water heat exchanger is connected with a water supply female pipe through a water supply branch pipe and produces and supplies air conditioner hot water, the water outlet end of the steam type lithium bromide unit is connected with the water supply female pipe through the water supply branch pipe and produces and supplies air conditioner cold water or hot water, the water outlet end of the air-cooled heat pump unit is connected with the water supply female pipe through the water supply branch pipe and produces and supplies air conditioner cold water or hot water, the return water ends of the steam hot water heat exchanger, the steam type lithium bromide unit and the air-cooled heat pump unit are respectively connected with a return water female pipe through return water branch pipes correspondingly arranged so as to circulate bad return water, and cold and hot water circulating pumps are arranged on the return water branch pipes.
Furthermore, the air conditioner cold and heat source system body also comprises a cooling water system, a condensed water recovery system, a steam control system and an air conditioner cold and hot water control system, wherein the cooling water system takes water from a water pool of a combustion engine cooling tower and circulates to the water pool of the combustion engine cooling tower after being used by a steam type lithium bromide unit; the condensed water recovery system is used for recovering condensed water generated by the steam hot water heat exchanger and the steam type lithium bromide unit and circularly conveying the condensed water into the steam system; the steam control system is used for controlling the steam inlet quantity of the steam system; the air conditioner cold and hot water control system is used for controlling cold and hot water circulating water flow and temperature in the air conditioner cold and hot source system body.
Furthermore, the steam control system mainly comprises a temperature sensor, a temperature and pressure reducing device, a control module and a steam regulating valve, wherein the temperature sensor is arranged on a water inlet and outlet pipeline of the steam hot water heat exchanger and the steam type lithium bromide unit and is used for detecting the temperature of the corresponding water inlet and outlet, and the control module is used for receiving a detection signal of the temperature sensor and controlling the steam regulating valve to regulate the steam inlet amount of the steam system according to the detection signal.
Furthermore, the air conditioner cold and hot water control system mainly comprises a temperature sensor, a pressure sensor, a water pump frequency converter, a frequency conversion controller and a control module, wherein the temperature sensor and the pressure sensor are arranged on water inlet and outlet pipelines of the steam hot water heat exchanger and the steam type lithium bromide unit and are used for detecting the temperature of inlet and outlet water, and the control module is used for receiving a detection signal of the temperature sensor and controlling the water pump frequency converter to adjust the flow of the cold and hot water circulating pump according to the detection signal.
Furthermore, the cooling water system is connected with the steam system through a condensate pump and carries out condensate circulation, and the cooling water system is a cooling water pump.
The utility model has the advantages of: the utility model discloses an utilize the combination of soda heat exchanger, steam type lithium bromide unit and air cooled heat pump set, when utilizing the low pressure steam refrigeration of power plant to heat and realize energy-conservation, when gas turbine power plant low load or shut down, air cooled heat pump set can also ensure that the operational environment of the core department of power plant satisfies the design requirement; by utilizing the gas turbine cooling tower, the air-conditioning cooling tower is not arranged independently, so that the roof space of the refrigerating and heating station is saved, the investment is effectively reduced, and the operation cost is reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more clearly understood by those skilled in the art, the present invention will be further described with reference to the accompanying drawings and examples.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "lateral", "vertical", and the like are the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1, the utility model discloses a cold and hot source system of air conditioner for gas turbine power plant, including being used for providing the cold and hot source system body of air conditioner cold and hot water for whole gas turbine power plant, cold and hot source system body of air conditioner mainly includes steam system 1, steam hot water heat exchanger 2, steam type lithium bromide unit 3 and air-cooled heat pump unit 4, steam system 1 is used for reducing the temperature and reducing the pressure with the steam in the steam turbine room and carries to in steam hot water heat exchanger 2 or the steam type lithium bromide unit 3; the water outlet end of the steam hot water heat exchanger 2 is connected with a water supply main pipe 10 through a water supply branch pipe and produces and supplies air conditioner hot water, the water outlet end of the steam type lithium bromide unit 3 is connected with the water supply main pipe 10 through the water supply branch pipe and produces and supplies air conditioner cold water, the water outlet end of the air-cooled heat pump unit 4 is connected with the water supply main pipe 10 through the water supply branch pipe and produces and supplies air conditioner cold water or hot water, the water return ends of the steam hot water heat exchanger 2, the steam type lithium bromide unit 3 and the air-cooled heat pump unit 4 are connected with a water return main pipe 11 through water return branch pipes correspondingly arranged so as to circulate bad water, and cold and hot water circulating pumps 9 are arranged on the water return branch pipes. The steam hot water heat exchanger 2 and the steam type lithium bromide unit 3 are used when the gas turbine power plant is operated, when the gas turbine power plant stops operating and has no steam or the load is very low, the air-cooled heat pump unit 4 can be used, and the air-cooled heat pump unit 4 can ensure the comfort of the working environment of a core department when the gas turbine power plant stops operating.
In addition, the air conditioner cold and heat source system body also comprises a cooling water system 5, a condensed water recovery system 7, a steam control system and an air conditioner cold and hot water control system, wherein the cooling water system 5 takes water from a water pool of a combustion engine cooling tower 6 and circulates to the water pool of the combustion engine cooling tower after being used by the steam type lithium bromide unit 3, the cooling water system 5 is not provided with a cooling tower independently, but utilizes the cooling tower of the combustion engine system, and the cooling water system 5 is a cooling water pump; the condensed water recovery system 7 is used for recovering and circularly conveying condensed water generated by the steam hot water heat exchanger 2 and the steam type lithium bromide unit 3 into the steam system 1, and is used for reducing temperature and pressure and conveying the condensed water to a public water conveying flash tank; the steam control system is used for controlling the steam inlet quantity of the steam system; the air conditioner cold and hot water control system is used for controlling cold and hot water circulating water flow and temperature in the air conditioner cold and hot source system body; the cooling water system 7 is connected with the steam system 1 through a condensate pump 8 and carries out condensate circulation.
The steam control system mainly comprises a temperature sensor, a temperature and pressure reducing device, a control module and a steam regulating valve, wherein the temperature sensor is arranged on a water inlet and outlet pipeline of the steam hot water heat exchanger 2 and the steam type lithium bromide unit 3 and is used for detecting the corresponding water inlet and outlet temperature, and the control module is used for receiving a detection signal of the temperature sensor and controlling the steam regulating valve to regulate the steam inlet amount of the steam system according to the detection signal. The air conditioner cold and hot water control system mainly comprises a temperature sensor, a pressure sensor, a water pump frequency converter, a frequency conversion controller and a control module, wherein the temperature sensor and the pressure sensor are arranged on water inlet and outlet pipelines of the steam hot water heat exchanger 2 and the steam type lithium bromide unit 3 and are used for detecting the temperature of inlet and outlet water, and the control module is used for receiving a detection signal of the temperature sensor and controlling the water pump frequency converter to adjust the flow of the cold and hot water circulating pump 9 according to the detection signal.
The implementation case is as follows:
a certain power plant is provided with a centralized refrigeration heating station at the south side of the plant area according to the air conditioning load of the whole plant. The concentrated cold and hot water system mainly comprises 2 x 60% capacity steam single-effect lithium bromide water chilling units (the refrigerating capacity of each unit is 1723kW, and the steam is 0.1MPa saturated steam), 2 x 100% capacity steam-water heat exchangers, 3 x 50% capacity circulating water pumps (the water quantity of each water pump is 312m3/h and the lift is 33 m), 3 x 50% capacity cooling water circulating water pumps (the water quantity of each water pump is 550m3/h and the lift is 20 m), 1 side water treatment device, 1 automatic constant-pressure water replenishing device, a pipeline system, an electric control device of the pipeline system and the like. The cooling water of the lithium bromide unit is taken from a mechanical cooling tower for a gas turbine, the inlet water temperature of the cooling water is 31 ℃, the outlet temperature of the cooling water is 38 ℃, and the cooling water is directly discharged into a water tank of the mechanical cooling tower.
Through calculation, the total refrigerating capacity of the whole plant is about 1100kW in the off-production season, the arranged air-cooled heat pump unit is arranged on the roof of a machine room of a refrigerating and heating station and is mainly used in the off-production season, and 2 cold and hot water circulating water pumps are arranged (the water volume of each water pump is 208 m)3H, head 30 m). The water supply/return parameters of the concentrated chilled water/hot water system are as follows: summer: the water supply temperature is 7 ℃, and the water return temperature is 12 ℃; in winter: the water supply temperature was 45 ℃ and the water return temperature was 40 ℃. The centralized cold and hot water system adopts closed circulation, two pipes (one for each water supply and return pipe) supply cold water in summer and hot water in winter.
From the above-mentioned embodiment, the utility model discloses an utilize soda heat exchanger, steam type lithium bromide unit and air-cooled heat pump set's combination, when utilizing the low pressure steam refrigeration of power plant to heat and realize energy-conservation, when gas turbine power plant low-load or outage, air-cooled heat pump set can also ensure that the operational environment of the core department of power plant satisfies the designing requirement. By utilizing the gas turbine cooling tower, the air-conditioning cooling tower is not arranged independently, so that the roof space of the refrigerating and heating station is saved, the investment is reduced, and the operation cost is reduced.
The specific embodiments described herein are merely illustrative of the principles of the present invention and its efficacy, and are not intended to limit the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Therefore, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical idea of the present invention shall be covered by the claims of the present invention.
Claims (5)
1. The utility model provides a cold and hot source system of air conditioner for gas turbine power plant, includes the cold and hot source system body of air conditioner that is used for providing air conditioner hot and cold water for whole gas turbine power plant which characterized in that: the air conditioner cold and heat source system body mainly comprises a steam system, a steam hot water heat exchanger, a steam type lithium bromide unit and an air-cooled heat pump unit, wherein the steam system is used for reducing the temperature and the pressure of steam in a steam turbine room and conveying the steam into the steam hot water heat exchanger or the steam type lithium bromide unit; the water outlet end of the steam hot water heat exchanger is connected with a water supply female pipe through a water supply branch pipe and produces and supplies air conditioner hot water, the water outlet end of the steam type lithium bromide unit is connected with the water supply female pipe through the water supply branch pipe and produces and supplies air conditioner cold water or hot water, the water outlet end of the air-cooled heat pump unit is connected with the water supply female pipe through the water supply branch pipe and produces and supplies air conditioner cold water or hot water, the return water ends of the steam hot water heat exchanger, the steam type lithium bromide unit and the air-cooled heat pump unit are respectively connected with a return water female pipe through return water branch pipes correspondingly arranged so as to circulate bad return water, and cold and hot water circulating pumps are arranged on the return water branch pipes.
2. The air conditioning cold and heat source system for a gas turbine power plant of claim 1, wherein: the system also comprises a cooling water system, a condensed water recovery system, a steam control system and an air conditioner cold and hot water control system, wherein the cooling water system takes water from a water pool of the gas turbine cooling tower, and recycles the water to the water pool of the gas turbine cooling tower after being used by a steam type lithium bromide unit; the condensed water recovery system is used for recovering condensed water generated by the steam hot water heat exchanger and the steam type lithium bromide unit and circularly conveying the condensed water into the steam system; the steam control system is used for controlling the steam inlet quantity of the steam system; the air conditioner cold and hot water control system is used for controlling cold and hot water circulating water flow and temperature in the air conditioner cold and hot source system body.
3. The air conditioning cold and heat source system for a gas turbine power plant of claim 2, wherein: the steam control system mainly comprises a temperature sensor, a temperature and pressure reducing device, a control module and a steam regulating valve, wherein the temperature sensor is arranged on a water inlet and outlet pipeline of the steam hot water heat exchanger and the steam type lithium bromide unit and used for detecting the corresponding water inlet and outlet temperatures, and the control module is used for receiving a detection signal of the temperature sensor and controlling the steam regulating valve to regulate the steam inlet amount of the steam system according to the detection signal.
4. The air conditioning cold and heat source system for a combustion engine power plant according to claim 2 or 3, characterized in that: the air conditioner cold and hot water control system mainly comprises a temperature sensor, a pressure sensor, a water pump frequency converter, a frequency conversion controller and a control module, wherein the temperature sensor and the pressure sensor are arranged on water inlet and outlet pipelines of the steam hot water heat exchanger and the steam type lithium bromide unit and are used for detecting the temperature of inlet and outlet water, and the control module is used for receiving detection signals of the temperature sensor and controlling the water pump frequency converter to adjust the flow of the cold and hot water circulating pump according to the detection signals.
5. The air conditioning cold and heat source system for a gas turbine power plant of claim 4, wherein: the cooling water system is connected with the steam system through a condensate pump and carries out condensate circulation, and the cooling water system is a cooling water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120513434.7U CN214581900U (en) | 2021-03-10 | 2021-03-10 | Air conditioner cold and heat source system for gas turbine power plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120513434.7U CN214581900U (en) | 2021-03-10 | 2021-03-10 | Air conditioner cold and heat source system for gas turbine power plant |
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| CN214581900U true CN214581900U (en) | 2021-11-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114554798A (en) * | 2022-02-25 | 2022-05-27 | 中国能源建设集团浙江省电力设计院有限公司 | Coupling type steam waste heat refrigeration data center cooling system and control method |
| CN118066773A (en) * | 2024-04-16 | 2024-05-24 | 中国能源建设集团浙江省电力设计院有限公司 | Coupled type waste heat utilization cold accumulation and supply system and control method thereof |
-
2021
- 2021-03-10 CN CN202120513434.7U patent/CN214581900U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114554798A (en) * | 2022-02-25 | 2022-05-27 | 中国能源建设集团浙江省电力设计院有限公司 | Coupling type steam waste heat refrigeration data center cooling system and control method |
| CN118066773A (en) * | 2024-04-16 | 2024-05-24 | 中国能源建设集团浙江省电力设计院有限公司 | Coupled type waste heat utilization cold accumulation and supply system and control method thereof |
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