CN208804908U - It is a kind of to utilize electric power plant circulating water exhaust heat refrigerating heating system - Google Patents
It is a kind of to utilize electric power plant circulating water exhaust heat refrigerating heating system Download PDFInfo
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- CN208804908U CN208804908U CN201821150691.3U CN201821150691U CN208804908U CN 208804908 U CN208804908 U CN 208804908U CN 201821150691 U CN201821150691 U CN 201821150691U CN 208804908 U CN208804908 U CN 208804908U
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
Abstract
The utility model relates to a kind of refrigerating and heat-supplying systems, utilize electric power plant circulating water exhaust heat refrigerating heating system more particularly, to a kind of.The refrigerating and heat-supplying system, including water source heat pump units, winter air-conditioning heating is realized by using the low-grade electric power plant circulating water waste heat of water source heat pump units skill upgrading, takes into account summer air-conditioning refrigeration, meet on-site winter or summer hot-cool demand, other effectively save high-grade energies；Meanwhile in order to guarantee system reliability of operation, coupling cooling tower water source guarantees that refrigerating and heat-supplying system operates normally in the case where generating set is shut down as spare Cooling and Heat Source.
Description
Technical field
The present invention relates to a kind of refrigerating and heat-supplying systems, utilize electric power plant circulating water exhaust heat refrigerating heat supply system more particularly, to a kind of
System.
Background technique
Heat pump is exactly the heating for utilizing extra power to shift from low level heat energy (such as empty gas and water, ground) Xiang Gaowei heat source
Device is usually said and exactly carrys out the refrigeration system of heat supply with the heat that condenser is released or refrigeration machine as heat supply is known as heat
Pump.
According to inverse Carnot Refrigeration Cycle principle, compressor compresses the low-pressure refrigerant vapor come from evaporator, becomes
At condenser is entered after the steam of high temperature and pressure, receives the cooling of coolant (media such as air or water) and release heat ΦkAnd it coagulates
Form highly pressurised liquid；Enter evaporator in the biphase gas and liquid flow for becoming low-temp low-pressure after expansion valve throttles, in evaporator
It carries out gasification absorption heat and obtains required low temperature and required cooling capacity Φ0；So complete a complete circulation.
Heat pump cycle is exactly to utilize extra power from low level heat energy (such as empty gas and water, soil) Xiang Gaowei heat source transfer
Heating combined equipment, i.e., the heat Φ released with condenserkCarry out the refrigeration system of heat supply or the refrigeration machine as heat supply is referred to as heat
Pump.From thermodynamics or working principle angle it is found that heat pump cycle is exactly refrigeration cycle.
According to national standard " water (ground) source heat pump unit (GB/T19409-2013) " prescribed requirement: being freezed using positive displacement
When earth's surface ability of swimming (containing sewage) unit of compressor works normally refrigeration, the temperature range of cold source is 10~40 DEG C；When heating, heat
The temperature range in source is 5~30 DEG C.Refrigeration is worked normally using earth's surface ability of swimming (containing sewage) unit of centrifugal refigerating compressor
When, the temperature range of cold source is 15~35 DEG C；When heating, the temperature range of heat source is 10~30 DEG C.
Plant condenser is cooled down by the secondary cycle water of power plant cooling tower, power plant cooling tower annual leaving water temperature
22.33 DEG C of (condenser entrance coolant water temperature), 32.33 DEG C of cooling tower inflow temperature (condenser outlet coolant water temperature).
The temperature range of summer (5~September) power plant cooling tower water outlet is 25.7~30.3 DEG C, and mean temperature is about 28.2
DEG C, therefore, when summer Turbo-generator Set operates normally, water source heat pump units can get 28 DEG C or so of cooling water.
The temperature range of winter (11~2 months) power plant cooling tower water outlet is 11.7~16.7 DEG C, and mean temperature is about 13.68
DEG C, by turbine condenser temperature rise based on about 10 DEG C, then, the water temperature into cooling tower is about 23.68 DEG C.Therefore, in the winter
When season Turbo-generator Set operates normally, water source heat pump units can be heated using 24 DEG C or so of warm water.It can be seen that power plant follows
Ring water is ideal Cooling and Heat Source, and winter can effectively be met by extracting waste heat from electric power plant circulating water using water source heat pump technology
Heating demands, while being also able to satisfy cooling in summer demand.
The heat source that power plant is primarily present is the steam of boiler room production, and main function is driving steam turbine acting power generation.
Way usual for on-site heating demands is setting vapor-water heat exchanger, utilizes acquisition heating hot water after steam heat-exchanging.Steam category
In the heat source of high-quality, it is used directly to heat, efficiency is lower.
Summary of the invention
In order to solve the above problem, the present invention, which provides, a kind of using electric power plant circulating water waste heat and couples the water resource heat pump system of tower basin
Cold heating system and control method.
The technical solution adopted by the present invention is that: it is a kind of to utilize electric power plant circulating water exhaust heat refrigerating heating system, it is characterised in that:
Including water source heat pump units, steam turbine condenser recirculated water water main pipe, motor-driven valve X3, cooling water pump, motor-driven valve C and water resource heat pump
Condenser water inlet in unit passes sequentially through water pipe and is connected, and water outlet, motor-driven valve D, motor-driven valve X4 and the steam turbine of condenser are solidifying
Vapour device recirculated water return water main pipe is sequentially connected by water pipe, evaporator water inlet, motor-driven valve A, user in water source heat pump units
Side water pipe, motor-driven valve B pass sequentially through water pipe with evaporator water outlet and are connected；
Steaming in steam turbine condenser recirculated water return water main pipe, motor-driven valve Y3, heat pump, motor-driven valve E and water source heat pump units
Hair device water inlet passes sequentially through water pipe and is connected, and evaporator water outlet, motor-driven valve F, motor-driven valve Y4 and power plant cooling tower tower basin are successively
It is connected by water pipe, condenser water inlet, motor-driven valve G, user side water pipe, motor-driven valve H and condenser in water source heat pump units
Water outlet passes sequentially through water pipe and is connected.
Preferably, the motor-driven valve A, motor-driven valve B, motor-driven valve C, motor-driven valve D, motor-driven valve X3 and motor-driven valve X4 are opened,
Cooling water pump starting, the motor-driven valve E, motor-driven valve F, motor-driven valve G, motor-driven valve H, motor-driven valve Y3 and motor-driven valve Y4 are closed, heating
Pump shuts down, and cooling water pump is fetched water from steam turbine condenser recirculated water water main pipe, send to water source heat pump units condenser,
It returns again to after absorbing heat heating in condenser to steam turbine condenser recirculated water return water main pipe, meanwhile, the freezing that evaporator generates
Water is used for user side；
The motor-driven valve A, motor-driven valve B, motor-driven valve C, motor-driven valve D, motor-driven valve X3 and motor-driven valve X4 are closed, and cooling water pump stops
Only operating, the motor-driven valve E, motor-driven valve F, motor-driven valve G, motor-driven valve H, motor-driven valve Y3 and motor-driven valve Y4 are opened, pump startup is heated,
Heat pump is fetched water from steam turbine condenser recirculated water return water main pipe, is sent to water source heat pump units evaporator, is discharged in evaporator
After heat cooling, return again to power plant cooling tower tower basin, meanwhile, the hot water that condenser generates is used for user side.
Further, the water inlet of the intake of the power plant cooling tower tower basin, immersible pump, motor-driven valve C and condenser is logical
Piping is sequentially connected；The intake of the power plant cooling tower tower basin, immersible pump, motor-driven valve E and evaporator water inlet pass through
Pipeline is sequentially connected.
Further, the motor-driven valve A, motor-driven valve B, motor-driven valve C, motor-driven valve D and motor-driven valve Y4 are opened, and immersible pump opens
Dynamic, the motor-driven valve E, motor-driven valve F, motor-driven valve G, motor-driven valve H, motor-driven valve Y3, motor-driven valve X3 and motor-driven valve X4 are closed, cooling water
Pump and heat pump shut down, and immersible pump is fetched water from power plant cooling tower tower basin, send to water source heat pump units condenser, cold
It returns again to after absorbing heat heating in condenser to power plant cooling tower tower basin, meanwhile, the chilled water that evaporator generates makes for user side
With；
The motor-driven valve A, motor-driven valve B, motor-driven valve C, motor-driven valve D, motor-driven valve Y3, motor-driven valve X3 and motor-driven valve X4 are closed,
Cooling water pump and heat pump shut down, and the motor-driven valve E, motor-driven valve F, motor-driven valve G, motor-driven valve H and motor-driven valve Y4 are opened,
Diving pump startup, immersible pump fetch water from power plant cooling tower tower basin, send to water source heat pump units evaporator, discharge in evaporator
After heat cooling, return again to power plant cooling tower tower basin, meanwhile, the hot water that condenser generates is used for user side.
Further, the circulation line that the water pipe is formed is equipped with temperature sensor, flow sensor and pressure and passes
Sensor, the temperature sensor, flow sensor, pressure sensor, cooling pump, heat pump and immersible pump pass through control line with
PLC controller is connected.
Further, the water inlet of the water pipe, water outlet, corner and junction are equipped with hand-operated valve.
A kind of control method using electric power plant circulating water exhaust heat refrigerating heating system, which comprises the following steps:
(a), under generating set normal operation, when cooling in summer: motor-driven valve A, motor-driven valve B, motor-driven valve C, motor-driven valve
D, motor-driven valve X3 and motor-driven valve X4 is opened, cooling water pump starting, motor-driven valve E, motor-driven valve F, motor-driven valve G, motor-driven valve H, motor-driven valve
Y3 and motor-driven valve Y4 is closed, and heat pump and immersible pump shut down, and cooling water pump takes from steam turbine condenser recirculated water water main pipe
Water is sent to water source heat pump units condenser, and water at low temperature returns again to after absorbing heat heating in condenser to steam turbine condenser
Recirculated water return water main pipe, meanwhile, it is used in the chilled water that evaporator generates for user side；
(b), when winter heating: motor-driven valve A, motor-driven valve B, motor-driven valve C, motor-driven valve D, motor-driven valve X3 and motor-driven valve X4 are closed
It closes, cooling water pump and immersible pump shut down, motor-driven valve E, motor-driven valve F, motor-driven valve G, motor-driven valve H, motor-driven valve Y3 and motor-driven valve
Y4 is opened, and heats pump startup, and heat pump is fetched water from steam turbine condenser recirculated water return water main pipe, sent to water source heat pump units evaporator
It is interior, after high-temperature water discharges heat cooling in evaporator, return again to power plant cooling tower tower basin, meanwhile, the heat that condenser generates
Water is used for user side.
Preferably, the control method using electric power plant circulating water exhaust heat refrigerating heating system, further comprising the steps of:
(a), in the case of generating set is stopped transport, when cooling in summer: motor-driven valve A, motor-driven valve B, motor-driven valve C, motor-driven valve D and electricity
Dynamic valve Y4 is opened, pump startup of diving under water, motor-driven valve E, motor-driven valve F, motor-driven valve G, motor-driven valve H, motor-driven valve Y3, motor-driven valve X3 and electronic
Valve X4 is closed, and cooling water pump and heat pump shut down, and immersible pump is fetched water from power plant cooling tower tower basin, is sent to Water source heat pump unit
In group condenser, return again to after heat heating is absorbed in condenser to power plant cooling tower tower basin, meanwhile, evaporator generates cold
Freeze water to use for user side；
(b), when winter heating: motor-driven valve A, motor-driven valve B, motor-driven valve C, motor-driven valve D, motor-driven valve Y3, motor-driven valve X3 and electricity
Dynamic valve X4 is closed, and cooling water pump and heat pump shut down, the motor-driven valve E, motor-driven valve F, motor-driven valve G, motor-driven valve H and electricity
Dynamic valve Y4 is opened, and pump startup of diving under water, immersible pump is fetched water from power plant cooling tower tower basin, sent to water source heat pump units evaporator,
In evaporator after the cooling of release heat, return again to power plant cooling tower tower basin, meanwhile, the hot water that condenser generates makes for user side
With.
The beneficial effect that the present invention obtains is: using heat pump techniques, its waste heat is absorbed from electric power plant circulating water and realizes winter
The purpose of heating, while meeting cooling in summer demand；And cooling tower water source is coupled as spare Cooling and Heat Source, in compressor emergency shutdown
In the case where guarantee refrigerating and heat-supplying system operate normally.
The heat source that existing power plant is primarily present is the steam of boiler room production, and main function is driving steam turbine acting hair
Electricity.Way usual for on-site heating demands is setting vapor-water heat exchanger, utilizes acquisition heating hot water after steam heat-exchanging.Steam
The heat source for belonging to high-quality is used directly to heat, and efficiency is lower.Therefore, the present invention is according to heat pump cycle principle, by using water
Source source pump technology promotes low-grade electric power plant circulating water waste heat and realizes winter air-conditioning heating, takes into account summer air-conditioning refrigeration, full
Sufficient on-site winter or summer hot-cool demand, other effectively save high-grade energies；Meanwhile in order to guarantee system reliability of operation,
Cooling tower water source is coupled as spare Cooling and Heat Source, guarantees that refrigerating and heat-supplying system is normally transported in the case where generating set is shut down
Row.
Detailed description of the invention
Fig. 1 is operation logic figure of the invention.
Specific embodiment
The present invention will be further explained in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, a kind of utilization electric power plant circulating water exhaust heat refrigerating heating system of the invention, including water source heat pump units
1, condenser 11 and evaporator 12 are equipped with inside water source heat pump units 1, water at low temperature heats up by condenser 11, and absorption heat makes
Water in the circulating water supply pipeline of user side cools down after evaporator 12, plays the role of cooling in summer；High-temperature water is through pervaporation
Device 12 cools down, and discharges heat, the water in the circulating water supply pipeline of user side is made to heat up after condenser 11, plays winter heating
Effect.Water source heat pump units 1 not only can be used as refrigeration system, but also can be used as heating system.
According to national standard " water (ground) source heat pump unit (GB/T19409-2013) " prescribed requirement: being freezed using positive displacement
When earth's surface ability of swimming (containing sewage) unit of compressor works normally refrigeration, the temperature range of cold source is 10~40 DEG C；When heating, heat
The temperature range in source is 5~30 DEG C.Refrigeration is worked normally using earth's surface ability of swimming (containing sewage) unit of centrifugal refigerating compressor
When, the temperature range of cold source is 15~35 DEG C；When heating, the temperature range of heat source is 10~30 DEG C.
The power plant steam turbine condenser that the present invention uses is cooled down by the secondary cycle water of power plant cooling tower, and power plant is cold
But 22.33 DEG C of tower annual leaving water temperature (condenser entrance coolant water temperature), (condenser exports cooling water to cooling tower inflow temperature
Temperature) 32.33 DEG C.
The temperature range of summer (5~September) power plant cooling tower water outlet is 25.7~30.3 DEG C, and mean temperature is about 28.2
DEG C, therefore, when summer Turbo-generator Set operates normally, water source heat pump units can get 28 DEG C or so of cooling water.
The temperature range of winter (11~2 months) power plant cooling tower water outlet is 11.7~16.7 DEG C, and mean temperature is about 13.68
DEG C, by turbine condenser temperature rise based on about 10 DEG C, then, the water temperature into cooling tower is about 23.68 DEG C.Therefore, in the winter
When season Turbo-generator Set operates normally, water source heat pump units can be heated using 24 DEG C or so of warm water.
It can be seen that electric power plant circulating water is ideal Cooling and Heat Source, using water source heat pump technology from electric power plant circulating water
Heat supply in winter demand can effectively be met by extracting waste heat, while also be able to satisfy cooling in summer demand.
The present invention is used, steam turbine condenser simultaneously using two groups (#1 power plant steam turbine condenser and #2 power plant steam turbine condenser)
11 water inlet of condenser in recirculated water water main pipe, motor-driven valve X3, cooling water pump 2, motor-driven valve C and water source heat pump units 1 according to
Secondary to be connected by water pipe, water outlet, motor-driven valve D, motor-driven valve X4 and the steam turbine condenser recirculated water return water main pipe of condenser 11 are logical
It crosses water pipe to be sequentially connected, 12 water inlet of evaporator, motor-driven valve A, user side water pipe, motor-driven valve B and steaming in water source heat pump units 1
Hair 12 water outlet of device passes sequentially through water pipe and is connected；Steam turbine condenser recirculated water return water main pipe, motor-driven valve Y3, heat pump 3, motor-driven valve
E passes sequentially through water pipe with 12 water inlet of evaporator in water source heat pump units 1 and is connected, 12 water outlet of evaporator, motor-driven valve F, electricity
Dynamic valve Y4 passes sequentially through water pipe with power plant cooling tower tower basin and is connected, 11 water inlet of condenser, motor-driven valve in water source heat pump units 1
G, user side water pipe, motor-driven valve H pass sequentially through water pipe with 11 water outlet of condenser and are connected.
Water source heat pump units 1 import and export electrically operated valve working condition:
Cooling in summer operating condition: Open valve A, B, C, D；Close valve E, F, G, H；
Winter heating's operating condition: Open valve E, F, G, H；Close valve A, B, C, D.
Steam turbine condenser recirculated water water main pipe water outlet is equipped with hand-operated valve X1 and hand-operated valve X2, steam turbine condenser circulation
Water return water main pipe water inlet is equipped with hand-operated valve Y1 and hand-operated valve Y2.
Under generating set normal operation, cooling (heat) water is by cooling water pump 2 or heating needed for water source heat pump units 1
It is provided after pump 3 (being all made of centrifugal water pump) pressurization.In summer, motor-driven valve A, motor-driven valve B, motor-driven valve C, motor-driven valve D, motor-driven valve X3
It is opened with motor-driven valve X4, cooling water pump 2 starts, motor-driven valve E, motor-driven valve F, motor-driven valve G, motor-driven valve H, motor-driven valve Y3 and motor-driven valve
Y4 is closed, and heat pump 3 shuts down, and cooling water pump 2 is fetched water from steam turbine condenser recirculated water water main pipe, is sent to Water source heat pump unit
In group condenser, return again to after heat heating is absorbed in condenser 11 to steam turbine condenser recirculated water return water main pipe, meanwhile, it steams
The chilled water that device 12 generates is sent out to use for user side.
In winter, motor-driven valve A, motor-driven valve B, motor-driven valve C, motor-driven valve D, motor-driven valve X3 and motor-driven valve X4 are closed, cooling water
Pump 2 shuts down, and motor-driven valve E, motor-driven valve F, motor-driven valve G, motor-driven valve H, motor-driven valve Y3 and motor-driven valve Y4 are opened, and heat pump 3 opens
Dynamic, heat pump 3 is fetched water from steam turbine condenser recirculated water return water main pipe, is sent to water source heat pump units evaporator 12, in evaporator
In 12 after the cooling of release heat, return again to power plant cooling tower tower basin, meanwhile, the hot water that condenser 11 generates makes for user side
With.
When generating set is stopped transport, water source heat pump air conditioning system is using the water source of cooling tower in power plant bottom of pond portion as cold
(heat) source, cooling water or hot water needed for winter needed for providing summer operation to water source heat pump units 1, water source heat pump units 1
Required cooling (heat) water provides after being pressurizeed by immersible pump 4.The intake of power plant cooling tower tower basin, immersible pump 4, motor-driven valve C and cold
The water inlet of condenser 11 is sequentially connected by pipeline；Intake, immersible pump, motor-driven valve E and the condenser of power plant cooling tower tower basin
11 water inlet is sequentially connected by pipeline.
In summer, motor-driven valve A, motor-driven valve B, motor-driven valve C, motor-driven valve D and motor-driven valve Y4 are opened, and immersible pump 4 starts, electronic
Valve E, motor-driven valve F, motor-driven valve G, motor-driven valve H, motor-driven valve Y3, motor-driven valve X3 and motor-driven valve X4 are closed, cooling water pump 2 and heat pump
3 shut down, and immersible pump 4 is fetched water from power plant cooling tower tower basin, send to the condenser 11 of water source heat pump units 1, are condensing
It returns again to after absorbing heat heating in device 11 to power plant cooling tower tower basin, meanwhile, the chilled water that evaporator 12 generates is for user side
It uses.
In winter, motor-driven valve A, motor-driven valve B, motor-driven valve C, motor-driven valve D, motor-driven valve Y3, motor-driven valve X3 and motor-driven valve X4 are closed
It closes, cooling water pump 2 and heat pump 3 shut down, and motor-driven valve E, motor-driven valve F, motor-driven valve G, motor-driven valve H and motor-driven valve Y4 are opened
It opens, immersible pump 4 starts, and immersible pump 4 is fetched water from power plant cooling tower tower basin, send to the evaporator 12 of water source heat pump units 1, is steaming
It sends out after discharging heat cooling in device 12, returns again to power plant cooling tower tower basin, meanwhile, the hot water that condenser 11 generates is for user side
It uses.
Temperature sensor TT, flow sensor FT and pressure sensor PT, temperature are equipped on the circulation line that water pipe is formed
It spends sensor TT, flow sensor FT, pressure sensor PT, cooling pump 2, heat pump 3 and immersible pump 4 and passes through control line and PLC
Controller is connected, and forms automation control to circulation line.Be additionally provided on circulation line necessary pressure gauge PI, thermometer T,
Pipe fitting, check valve, full-automatic filter 5 and electric water treatment device 6.The water inlet of every section of water pipe, water outlet, corner and
Junction is equipped with hand-operated valve, and easy access is installed and changed.
A kind of control method using electric power plant circulating water exhaust heat refrigerating heating system of the invention, which is characterized in that including
Following steps:
(a), under generating set normal operation, when cooling in summer: motor-driven valve A, motor-driven valve B, motor-driven valve C, motor-driven valve
D, motor-driven valve X3 and motor-driven valve X4 is opened, and cooling water pump 2 starts, motor-driven valve E, motor-driven valve F, motor-driven valve G, motor-driven valve H, motor-driven valve
Y3 and motor-driven valve Y4 are closed, and heat pump 3 and immersible pump 4 shut down, and cooling water pump 2 is from steam turbine condenser recirculated water water main pipe
Water intaking, send to water source heat pump units condenser 11, and water at low temperature returns again to after absorbing heat heating in condenser 11 to steam turbine
Condenser circulating water return water main pipe, meanwhile, it is used in the chilled water that evaporator 12 generates for user side；
(b), under generating set normal operation, when winter heating: motor-driven valve A, motor-driven valve B, motor-driven valve C, motor-driven valve
D, motor-driven valve X3 and motor-driven valve X4 are closed, and cooling water pump 2 and immersible pump 4 shut down, motor-driven valve E, motor-driven valve F, motor-driven valve G,
Motor-driven valve H, motor-driven valve Y3 and motor-driven valve Y4 are opened, and heat pump 3 starts, and heat pump 3 is from steam turbine condenser recirculated water return water main pipe
Water intaking, send to water source heat pump units evaporator 12, after high-temperature water discharges heat cooling in evaporator 12, returns again to power plant
Cooling tower tower basin, meanwhile, the hot water that condenser 11 generates is used for user side.
(c), in the case of generating set is stopped transport, when cooling in summer: motor-driven valve A, motor-driven valve B, motor-driven valve C, motor-driven valve D and electricity
Dynamic valve Y4 is opened, and immersible pump 4 starts, motor-driven valve E, motor-driven valve F, motor-driven valve G, motor-driven valve H, motor-driven valve Y3, motor-driven valve X3 and electricity
Dynamic valve X4 is closed, and cooling water pump 2 and heat pump 3 shut down, and immersible pump 4 is fetched water from power plant cooling tower tower basin, is sent to water source
In heat pump unit condenser 11, return again to after heat heating is absorbed in condenser 11 to power plant cooling tower tower basin, meanwhile, evaporation
The chilled water that device 12 generates is used for user side；
(d), in the case of generating set is stopped transport, when winter heating: motor-driven valve A, motor-driven valve B, motor-driven valve C, motor-driven valve D, electricity
Dynamic valve Y3, motor-driven valve X3 and motor-driven valve X4 are closed, and cooling water pump 2 and heat pump 3 shut down, motor-driven valve E, motor-driven valve F, electricity
Dynamic valve G, motor-driven valve H and motor-driven valve Y4 are opened, and immersible pump 4 starts, and immersible pump 4 is fetched water from power plant cooling tower tower basin, are sent to water source
In heat pump unit evaporator 12, after heat cooling is discharged in evaporator 12, return again to power plant cooling tower tower basin, meanwhile, it is cold
The hot water that condenser 11 generates is used for user side.
Basic principle and key structural feature of the invention has been shown and described above.The present invention is not by the limit of examples detailed above
System, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It both falls in the range of claimed invention.The claimed scope of the invention is by appended claims and its equivalent
It defines.
Claims (6)
1. a kind of utilize electric power plant circulating water exhaust heat refrigerating heating system, it is characterised in that: including water source heat pump units, steam turbine condensing
Condenser water inlet in device recirculated water water main pipe, motor-driven valve X3, cooling water pump, motor-driven valve C and water source heat pump units is successively
It is connected by water pipe, water outlet, motor-driven valve D, motor-driven valve X4 and the steam turbine condenser recirculated water return water main pipe of condenser pass through water
Pipe is sequentially connected.Evaporator water outlet, motor-driven valve B, user side water pipe, motor-driven valve A and evaporator in water source heat pump units into
The mouth of a river passes sequentially through water pipe and is connected；
Evaporator in steam turbine condenser recirculated water return water main pipe, motor-driven valve Y3, heat pump, motor-driven valve E and water source heat pump units
Water inlet passes sequentially through water pipe and is connected, and evaporator water outlet, motor-driven valve F, motor-driven valve Y4 and power plant cooling tower tower basin pass sequentially through
Water pipe is connected, leaving condenser water mouth, motor-driven valve G, user side water pipe, motor-driven valve H and condenser water inlet in water source heat pump units
Mouth passes sequentially through water pipe and is connected.
2. according to claim 1 utilize electric power plant circulating water exhaust heat refrigerating heating system, it is characterised in that: the motor-driven valve
A, motor-driven valve B, motor-driven valve C, motor-driven valve D, motor-driven valve X3 and motor-driven valve X4 are opened, cooling water pump starting, the motor-driven valve E, electricity
Dynamic valve F, motor-driven valve G, motor-driven valve H, motor-driven valve Y3 and motor-driven valve Y4 are closed, and heat pump shuts down, and cooling water pump is solidifying from steam turbine
The water intaking of vapour device recirculated water water main pipe, send to water source heat pump units condenser, returns again after heat heating is absorbed in condenser
It is back to steam turbine condenser recirculated water return water main pipe, meanwhile, the chilled water that evaporator generates is used for user side；
The motor-driven valve A, motor-driven valve B, motor-driven valve C, motor-driven valve D, motor-driven valve X3 and motor-driven valve X4 are closed, and cooling water pump stops fortune
Turn, the motor-driven valve E, motor-driven valve F, motor-driven valve G, motor-driven valve H, motor-driven valve Y3 and motor-driven valve Y4 are opened, and heat pump startup, heating
Pump is fetched water from steam turbine condenser recirculated water return water main pipe, send to water source heat pump units evaporator, heat is discharged in evaporator
After cooling, return again to power plant cooling tower tower basin, meanwhile, the hot water that condenser generates is used for user side.
3. according to claim 1 or 2 utilize electric power plant circulating water exhaust heat refrigerating heating system, it is characterised in that: the electricity
The intake of factory's cooling tower tower basin, immersible pump, motor-driven valve C and condenser water inlet be sequentially connected by pipeline；The power plant
The intake of cooling tower tower basin, immersible pump, motor-driven valve E and evaporator water inlet be sequentially connected by pipeline.
4. according to claim 3 utilize electric power plant circulating water exhaust heat refrigerating heating system, it is characterised in that: the motor-driven valve
A, motor-driven valve B, motor-driven valve C, motor-driven valve D and motor-driven valve Y4 are opened, pump startup of diving under water, the motor-driven valve E, motor-driven valve F, motor-driven valve
G, motor-driven valve H, motor-driven valve Y3, motor-driven valve X3 and motor-driven valve X4 are closed, and cooling water pump and heat pump shut down, immersible pump from
Power plant cooling tower tower basin water intaking, send to water source heat pump units condenser, in condenser absorb heat heating after return again to
Power plant cooling tower tower basin, meanwhile, the chilled water that evaporator generates is used for user side；
The motor-driven valve A, motor-driven valve B, motor-driven valve C, motor-driven valve D, motor-driven valve Y3, motor-driven valve X3 and motor-driven valve X4 are closed, cooling
Water pump and heat pump shut down, and the motor-driven valve E, motor-driven valve F, motor-driven valve G, motor-driven valve H and motor-driven valve Y4 are opened, diving
Pump startup, immersible pump fetch water from power plant cooling tower tower basin, send to water source heat pump units evaporator, heat is discharged in evaporator
After cooling, return again to power plant cooling tower tower basin, meanwhile, the hot water that condenser generates is used for user side.
5. according to claim 4 utilize electric power plant circulating water exhaust heat refrigerating heating system, it is characterised in that: the water pipe shape
At circulation line be equipped with temperature sensor, flow sensor and pressure sensor, the temperature sensor, flow sensing
Device, pressure sensor, cooling water pump, heat pump and immersible pump pass through control line and are connected with PLC controller.
6. according to claim 4 utilize electric power plant circulating water exhaust heat refrigerating heating system, it is characterised in that: the water pipe
Water inlet, water outlet, corner and junction are equipped with hand-operated valve.
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| CN201821150691.3U CN208804908U (en) | 2018-07-19 | 2018-07-19 | It is a kind of to utilize electric power plant circulating water exhaust heat refrigerating heating system |
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| CN201821150691.3U CN208804908U (en) | 2018-07-19 | 2018-07-19 | It is a kind of to utilize electric power plant circulating water exhaust heat refrigerating heating system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758068A (en) * | 2021-08-03 | 2021-12-07 | 中国能源建设集团广东省电力设计研究院有限公司 | Air conditioning system based on circulating water of power plant and operation method thereof |
| CN115111812A (en) * | 2022-07-06 | 2022-09-27 | 西安安备特安防科技有限公司 | Multistage synergistic cooling system of nitrogen is annotated to mine |
| CN115493221A (en) * | 2022-11-16 | 2022-12-20 | 国网（天津）综合能源服务有限公司 | Centralized cold and heat source system and method for energy-saving reconstruction of semiconductor plant |
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2018
- 2018-07-19 CN CN201821150691.3U patent/CN208804908U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758068A (en) * | 2021-08-03 | 2021-12-07 | 中国能源建设集团广东省电力设计研究院有限公司 | Air conditioning system based on circulating water of power plant and operation method thereof |
| CN115111812A (en) * | 2022-07-06 | 2022-09-27 | 西安安备特安防科技有限公司 | Multistage synergistic cooling system of nitrogen is annotated to mine |
| CN115111812B (en) * | 2022-07-06 | 2023-10-03 | 西安安备特安防科技有限公司 | Mine nitrogen injection multistage synergy cooling system |
| CN115493221A (en) * | 2022-11-16 | 2022-12-20 | 国网（天津）综合能源服务有限公司 | Centralized cold and heat source system and method for energy-saving reconstruction of semiconductor plant |
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