CN107957138A - Using the high temperature heat pump circulatory system and its method of work of natural refrigerant water - Google Patents
Using the high temperature heat pump circulatory system and its method of work of natural refrigerant water Download PDFInfo
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- CN107957138A CN107957138A CN201710962766.1A CN201710962766A CN107957138A CN 107957138 A CN107957138 A CN 107957138A CN 201710962766 A CN201710962766 A CN 201710962766A CN 107957138 A CN107957138 A CN 107957138A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
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- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The present invention provides a kind of high temperature heat pump circulatory system and its method of work using natural refrigerant water, the system includes device of working medium heat pump circulating system, vapor compressor water charging system, waste heat source water system and high-temperature water outlet system, device of working medium heat pump circulating system is connected with vapor compressor water charging system by water-circulating pipe and vapor compressor, waste heat source water system is connected with device of working medium heat pump circulating system by evaporator, and high-temperature water outlet system is connected with device of working medium heat pump circulating system by condenser.The present invention is used as the cycle fluid of system using natural refrigerant water; effectively recycle the waste heat in waste heat source; there is provided the water outlet of high temperature for users to use; leaving water temperature can reach more than 120 DEG C; use cycle fluid of the natural refrigerant water as system at the same time; destruction of the artificial synthesized working medium of fluorochlorohydrocarbon class to environment is avoided, environment is effectively protected, reaches the effect of energy-saving, emission-reducing, environment friendly.
Description
Technical field
The present invention relates to a kind of high temperature heat pump circulatory system and its method of work using natural refrigerant water, belong to heat pump section
Can technical field of emission reduction.
Background technology
The continuous of material requisite is increased with people with developing rapidly for social economy, the consumption of the energy day increasingly
Play, future source of energy shortage would is that the significant problem that the world faces.At the same time problem of environmental pollution also striking at the moment
It is turned on alarm bell, Ozone depletion, global warming, Melting Glacierss and the problems such as sea level rise be urgently to be resolved hurrily.Push greatly
Wide green energy conservation technology, reduces the energy consumption in production and living and pollution, breaks away from energy crisis with reducing environmental pollution
Important means, and the inevitable choice of today's society sustainable development.
Heat pump system is a kind of efficient energy conserving system, its use can effectively recycle low-grade energy, improve energy
The utilization ratio of amount, reduces the consumption of high-grade energy, the pressure of alleviating energy crisis, therefore heat pump system always by social each
Boundary is praised highly, and is widely used in the production and living of society.But heat pump system needs a large amount of circulations as a kind of
The system of working medium is also faced with the select permeability of cycle fluid, the artificial synthesized working medium of chloro-fluoro-carbon kind it is serious to depletion of the ozone layer,
Greenhouse effects are influenced it is obvious, using under the background being limited with development prospect, heat pump system needs in the selection of cycle fluid
More with caution, this also just serious application for constraining heat pump system in production and living each side.At the same time at present in high temperature heat pump
The selection of system is upper also without clear and definite selecting type scheme with application, and various circles of society are also all in the new effective high warm of effort research and development
Pumping system.Therefore research using cycle fluid that is new, efficient, green, environmentally friendly and being easy to get and raising heat pump system with being existed
Temperature range in practical application, just into current heat pump system industry problem to be solved.
The content of the invention
For in the prior art the defects of, the object of the present invention is to provide a kind of high temperature heat pump using natural refrigerant water to follow
Loop system and its method of work, it can realize the cycle fluid using natural refrigerant water as system, effectively recycle waste heat source
In waste heat, while provide the water outlet of high temperature for users to use, leaving water temperature can reach more than 120 DEG C, while use nature
Cycle fluid of the working-medium water as system, avoids destruction of the artificial synthesized working medium of fluorochlorohydrocarbon class to environment, effectively protects
Environment has been protected, has reached the effect of energy-saving, emission-reducing, environment friendly.
According to an aspect of the present invention, there is provided a kind of high temperature heat pump circulatory system using natural refrigerant water, its feature
It is, including device of working medium heat pump circulating system, vapor compressor water charging system, waste heat source water system and high-temperature water outlet system
System, device of working medium heat pump circulating system are connected with vapor compressor water charging system by water-circulating pipe and vapor compressor
Connect, waste heat source water system is connected with device of working medium heat pump circulating system by evaporator, high-temperature water outlet system and device of working medium heat
Pump circulation system is connected by condenser；Device of working medium heat pump circulating system is by evaporator, flash pipe, vacuum pump, vacuum conditions
Valve, vacuum tube, flash tank, water at low temperature steam pipe, vapor compressor, high-temperature vapor pipe, collector tube, condenser, liquid collecting tank,
Vapor expansion valve, expansion tube, water-circulating pump, water-circulating pipe composition, evaporator are connected with flash tank by flash pipe, flash tank
Being connected with vapor compressor by water at low temperature steam pipe, vapor compressor is connected with condenser by high-temperature vapor pipe,
Condenser is connected with liquid collecting tank by collector tube, and liquid collecting tank, vapor expansion valve and flash tank are sequentially connected by expansion tube, is dodged
Steaming pot, water-circulating pump and evaporator are sequentially connected by water-circulating pipe, and vacuum pump is connected to vacuum breaker by vacuum tube
The top of flash tank；Vapor compressor water charging system is mended by refill flow regulating valve, vapor compressor, vapor compressor
Water pump, vapor compressor filling pipe and water-circulating pipe composition, water-circulating pipe, vapor compressor small pump, refill flow tune
Section valve and vapor compressor are sequentially connected by vapor compressor filling pipe；Waste heat source water system by waste heat outlet pipe,
Evaporator and waste heat water inlet pipe composition, waste heat outlet pipe connect on an evaporator with waste heat water inlet pipe；High-temperature water outlet system is by cold
Condenser, low temperature water inlet pipe and high-temperature water outlet pipe composition, low temperature water inlet pipe and high-temperature water outlet pipe are all connected on condenser.
Preferably, the device of working medium heat pump circulating system uses natural refrigerant water to be effectively prevented from fluorine as cycle fluid
Destruction and serious greenhouse effects of the artificial synthesized working medium of chlorocarbon class to ozone layer, while natural refrigerant water is in economy, safety
Also superior to the artificial synthesized working medium of fluorochlorohydrocarbon class in property.
Preferably, the working medium supplemented in the vapor compressor water charging system is natural refrigerant water, not only improves system
Overall performance, and supplement working medium it is identical with cycle fluid.
Preferably, the pressure during evaporation in evaporator is in negative pressure state, in flash tank and water at low temperature steam pipe
The pressure of vapor is all in negative pressure state.
Preferably, the device of working medium heat pump circulating system and waste heat source water system sufficiently recycle waste heat source water system
Middle 80-90 DEG C of waste heat, achievees the purpose that to recycle low-grade energy, energy-saving and emission-reduction.
Preferably, the device of working medium heat pump circulating system and high-temperature water outlet system can produce temperature more than 120 DEG C
High-temperature water, meets production and the application of a large amount of occasions in life.
Preferably, the vapor compressor improves compression by the degree of superheat sprayed water to reduce its exit vapor
The performance of machine, so as to improve the performance of system entirety.
The present invention also provides a kind of method of work of the high temperature heat pump circulatory system using natural refrigerant water, its feature exists
In comprising the following steps：
Before system overall operation, the vacuum pump in device of working medium heat pump circulating system works first, by vacuum tube and very
Pressure in flash tank is extracted into specified vacuum and maintains vacuum in flash tank constant by empty regulating valve；
In system overall operation, waste heat source water system works, the spent hot water from waste heat source by waste heat into
Water pipe flows into evaporator, exchanges heat in evaporator with the low-temperature circulating water from water-circulating pipe, spent hot water's exothermic temperature drop
Evaporator is flowed out by waste heat outlet pipe after low；
In system overall operation, device of working medium heat pump circulating system works, the low temperature saturated steam in flash tank
Flowed into by water at low temperature steam pipe in vapor compressor, low temperature saturated steam is risen in vapor compressor by compression boosting
Temperature becomes high-temperature vapor, during low temperature saturated steam is by compression boosting heating, from vapor compressor moisturizing
The supplement water of pipe sprays into the heat that vapor compressor chamber body absorption is compressed the high-temperature vapor to be formed by vapor compressor
Gasification is simultaneously afterwards and high-temperature vapor is mixed to form mixing high-temperature vapor, reduces vapor compressor exit mixing high-temperature water
The temperature of steam, mixing high-temperature vapor flow into condenser, mixing by high-temperature vapor pipe from vapor compressor exit
High-temperature vapor forms high-temperature condensation water to the sub-cooled water condensation heat release from low temperature water inlet pipe within the condenser, and high temperature is cold
Condensate flows into liquid collecting tank from condenser by collector tube and assembles in liquid collecting tank, and the high-temperature condensation water in liquid collecting tank passes through swollen
Tube expansion, which flows through, forms low-temp low-pressure recirculated water inflow flash tank after vapor expansion valve throttling expansion pressure and temp reduces, low temperature is low
Flash distillation occurs in flash tank and forms low temperature saturated steam and low temperature saturated water for pressure recirculated water, and low temperature saturated water is circulated by water
Pipe is transported in evaporator by water-circulating pump part and is partly transported in vapor compressor filling pipe, and low temperature saturated water is steaming
The heat of vaporization formation low temperature vapor that the spent hot water from waste heat water inlet pipe is absorbed in device is sent out, low temperature vapor passes through flash pipe
Flowed into by evaporator in flash tank, the same flash distillation in flash tank of low temperature vapor forms low temperature saturated steam and low temperature saturation
Water, the low temperature saturated steam in flash tank is again flowed into vapor compressor by water at low temperature steam pipe, in flash tank
Low temperature saturated water is again fed in evaporator by water-circulating pipe by water-circulating pump, forms a complete circulation；
In system overall operation, vapor compressor water charging system works, and low temperature saturated water is by water-circulating pipe stream
Enter in vapor compressor filling pipe, low temperature saturated water flows into vapor compressor small pump by vapor compressor filling pipe
In, low temperature saturated flow is conveyed through refill flow regulating valve by vapor compressor small pump by vapor compressor filling pipe
Into the cavity of vapor compressor, low temperature saturated water is in vapor compressor chamber body absorption by vapor compressor compressed shape
Into high-temperature vapor heat after gasification and and high-temperature vapor be mixed to form mixing high-temperature vapor；
In system overall operation, high-temperature water outlet system works, and low-temperature cooling water is flowed into cold by low temperature water inlet pipe
Condenser, exchanges heat with the mixing high-temperature vapor from high-temperature vapor pipe within the condenser, low-temperature cooling water endothermic temperature
Rise after formed high-temperature cooling water by high-temperature water outlet pipe flow out condenser, high-temperature cooling water will be collected storage wait into
One step uses.
Compared with prior art, the present invention has following beneficial effect：
First, by the present invention in that by the use of natural refrigerant water as cycle fluid, natural refrigerant water in itself to ozone layer without destruction,
Greenhouse effects are low, avoid destruction of the artificial synthesized working medium of chloro-fluoro-carbon kind to ozone layer, and its high greenhouse effects, effectively
Protect environment.
2nd, by the present invention in that largely existing in nature by the use of natural refrigerant water as cycle fluid, natural refrigerant water,
Compared with other any type working medium, natural refrigerant water most easily obtains, and use cost is minimum, good economy performance.
3rd, by the present invention in that by the use of natural refrigerant water as cycle fluid, natural refrigerant water does not have toxicity, flammable,
The danger attribute such as explosion hazard, will not cause any safety to ask when either being leaked as cycle fluid under liquid or gaseous state
Topic, security are good.
4th, by the present invention in that by the use of natural refrigerant water as cycle fluid, the chemical property of natural refrigerant water is sufficiently stable,
There is no the resolution problem that other working medium long-time services produce.
5th, by the present invention in that by the use of natural refrigerant water as cycle fluid, the gasification latent heat of natural refrigerant water is big, required
Working medium mass flow is relatively small, and system cost is low.
6th, by the present invention in that spraying into working medium, cycle fluid in by the use of natural refrigerant water as cycle fluid and compressor chamber
With spray into working medium it is identical, should not working medium separation equipment, significantly reduce the complexity of system, realize simple system, cost
It is low, the high effect of economy.
7th, by the present invention in that effectively having recycled the waste heat in waste heat source with evaporator, sufficiently make use of low-quality
Energy, realize the effects of energy-saving and emission-reduction.
8th, by the present invention in that by the low-quality energy lift of recycling being high-quality energy with vapor compressor, and
High-quality energy is converted into more than 120 DEG C of high-temperature-hot-water by condenser, can be met in much production and life
Demand, has wide range of applications.
9th, by the present invention in that with refill flow regulating valve, vapor compressor small pump and vapor compressor moisturizing
Pipe, can effectively improve the performance of vapor compressor, reduce the energy consumption in system operation, reach the effect of energy-saving and emission-reduction
Fruit.
Brief description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is system diagram of the present invention using the high temperature heat pump circulatory system of natural refrigerant water.
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following embodiments will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
As shown in Figure 1, the present invention includes device of working medium heat pump cycle system using the high temperature heat pump circulatory system of natural refrigerant water
System, vapor compressor water charging system, waste heat source water system and high-temperature water outlet system, device of working medium heat pump circulating system and water
Pistonless compressor water charging system is connected by water-circulating pipe 23 and vapor compressor 11, waste heat source water system and water conservancy project
Matter heat pump circulating system is connected by evaporator 2, and high-temperature water outlet system passes through condenser 14 with device of working medium heat pump circulating system
It is connected；Device of working medium heat pump circulating system is by evaporator 2, flash pipe 4, vacuum pump 5, vacuum breaker 6, vacuum tube 7, flash tank
8th, water at low temperature steam pipe 9, vapor compressor 11, high-temperature vapor pipe 12, collector tube 13, condenser 14, liquid collecting tank 17, water steam
Gas expansion valve 18, expansion tube 19, water-circulating pump 22, water-circulating pipe 23 form, and evaporator 2 and flash tank 8 are connected by flash pipe 4
Connect, flash tank 8 and vapor compressor 11 are connected by water at low temperature steam pipe 9, and vapor compressor 11 and condenser 14 pass through
High-temperature vapor pipe 12 connects, and condenser 14 and liquid collecting tank 17 are connected by collector tube 13, liquid collecting tank 17, vapor expansion valve 18
It is sequentially connected with flash tank 8 by expansion tube 19, flash tank 8, water-circulating pump 22 and evaporator 2 are connected successively by water-circulating pipe 23
Connect, vacuum pump 5 is connected to the top of flash tank 8 with vacuum breaker 6 by vacuum tube 7；Vapor compressor water charging system by
Refill flow regulating valve 10, vapor compressor 11, vapor compressor small pump 20, vapor compressor filling pipe 21 and water
Circulation pipe 23 forms, water-circulating pipe 23, vapor compressor small pump 20, refill flow regulating valve 10 and vapor compressor 11
It is sequentially connected by vapor compressor filling pipe 21；Waste heat source water system by waste heat outlet pipe 1, evaporator 2 and waste heat into
Water pipe 3 forms, and waste heat outlet pipe 1 and waste heat water inlet pipe 3 are connected on evaporator 2；High-temperature water outlet system is by condenser 14, low temperature
Water inlet pipe 15 and high-temperature water outlet pipe 16 form, and low temperature water inlet pipe 15 and high-temperature water outlet pipe 16 are all connected on condenser 14.
Device of working medium heat pump circulating system uses natural refrigerant water to be effectively prevented from fluorochlorohydrocarbon class people as cycle fluid
Work synthesizes destruction and serious greenhouse effects of the working medium to ozone layer, while natural refrigerant water is also excellent in economy, security
In the artificial synthesized working medium of fluorochlorohydrocarbon class.
The working medium supplemented in vapor compressor water charging system is also natural refrigerant water, can not only improve the entirety of system
Performance, and supplement working medium is identical with cycle fluid, without working medium separation equipment, simple system.
Pressure during evaporation in evaporator is in negative pressure state, the pressure of vapor in flash tank and water at low temperature steam pipe
All in negative pressure state.
Device of working medium heat pump circulating system and waste heat source water system can sufficiently recycle 80-90 in waste heat source water system
DEG C waste heat, achieve the purpose that recycle low-grade energy, energy-saving and emission-reduction.
Device of working medium heat pump circulating system and high-temperature water outlet system can produce high-temperature water of the temperature more than 120 DEG C, can be with
Meet production and the application of (such as dry, evaporation, desalination etc.) a large amount of occasions in life, use scope is wide.
Vapor compressor can reduce the degree of superheat of its exit vapor by spraying water, and improve the property of compressor
Can, so as to improve the performance of system entirety.
The present invention is comprised the following steps using the method for work of the high temperature heat pump circulatory system of natural refrigerant water：
Before system overall operation, the vacuum pump 5 in device of working medium heat pump circulating system works first, passes through 7 He of vacuum tube
Pressure in flash tank 8 is extracted into specified vacuum and maintains vacuum in flash tank 8 constant by vacuum breaker 6.
In system overall operation, waste heat source water system works, the spent hot water from waste heat source by waste heat into
Water pipe 3 flows into evaporator 2, exchanges heat in evaporator 2 with the low-temperature circulating water from water-circulating pipe 23, spent hot water's heat release temperature
Degree reduces flows out evaporator 2 by waste heat outlet pipe 1 later.
In system overall operation, device of working medium heat pump circulating system works, the low temperature saturated steam in flash tank 8
Flowed into by water at low temperature steam pipe 9 in vapor compressor 11, low temperature saturated steam is compressed in vapor compressor 11
Boosting heating becomes high-temperature vapor, during low temperature saturated steam is by compression boosting heating, is compressed from vapor
The supplement water of machine filling pipe 21 sprays into the high temperature that 11 chamber body absorption of vapor compressor is compressed formation by vapor compressor 11
Gasification is simultaneously after the heat of vapor and high-temperature vapor is mixed to form mixing high-temperature vapor, reduces vapor compressor 11 and goes out
The temperature of high-temperature vapor is mixed at mouthful, mixing high-temperature vapor is exported by high-temperature vapor pipe 12 from vapor compressor 11
Place flows into condenser 14, and mixing high-temperature vapor is put in condenser 14 to the sub-cooled water condensation from low temperature water inlet pipe 15
Thermosetting high-temperature condensation water, high-temperature condensation water are flowed into from condenser 14 liquid collecting tank 17 by collector tube 13 and in liquid collecting tanks 17
Assemble, the high-temperature condensation water in liquid collecting tank 17 flows through the reduction of 18 throttling expansion pressure and temp of vapor expansion valve by expansion tube 19
Low-temp low-pressure recirculated water is formed afterwards and flows into flash tank 8, and flash distillation occurs in flash tank 8 and forms low temperature saturation for low-temp low-pressure recirculated water
Vapor and low temperature saturated water, low temperature saturated water are transported in evaporator 2 by water-circulating pipe 23 by 22 part of water-circulating pump
Part is transported in vapor compressor filling pipe 21, and low temperature saturated water absorbs useless from waste heat water inlet pipe 3 in evaporator 2
The heat of vaporization of hot water forms low temperature vapor, and low temperature vapor is flowed into flash tank 8 by flash pipe 4 by evaporator 2, low temperature
Vapor same flash in flash tank 8 forms low temperature saturated steam and low temperature saturated water, the low temperature saturated water in flash tank 8
Steam is again flowed into vapor compressor 11 by water at low temperature steam pipe 9, and the low temperature saturated water in flash tank 8 is circulated by water
Pipe 23 is again fed in evaporator 2 by water-circulating pump 22, forms a complete circulation.
In system overall operation, vapor compressor water charging system works, and low temperature saturated water is by water-circulating pipe 23
Flow into vapor compressor filling pipe 21, low temperature saturated water flows into vapor compressor by vapor compressor filling pipe 21
In small pump 20, low temperature saturated flow is compressed through refill flow regulating valve 10 by vapor compressor small pump 20 by vapor
Machine filling pipe 21 is transported in the cavity of vapor compressor 11, and low temperature saturated water is in 11 chamber body absorption quilt of vapor compressor
Gasification is simultaneously after the heat for the high-temperature vapor that the compression of vapor compressor 11 is formed and high-temperature vapor is mixed to form mixing high temperature
Vapor.
In system overall operation, high-temperature water outlet system works, and low-temperature cooling water is flowed into by low temperature water inlet pipe 15
Condenser 14, exchanges heat in condenser 14 with the mixing high-temperature vapor from high-temperature vapor pipe 12, low-temperature cooling water
High-temperature cooling water being formed after endothermic temperature rise condenser 14 being flowed out by high-temperature water outlet pipe 16, high-temperature cooling water will be received
Collection storage, which waits, further to be used.
The present invention, as the cycle fluid of system, effectively recycles the waste heat in waste heat source, there is provided high using natural refrigerant water
For users to use, leaving water temperature can reach more than 120 DEG C, while use circulation of the natural refrigerant water as system for the water outlet of temperature
Working medium, avoids destruction of the artificial synthesized working medium of fluorochlorohydrocarbon class to environment, is effectively protected environment, reaches energy-saving and emission-reduction
The effect of environmental protection.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (8)
- A kind of 1. high temperature heat pump circulatory system using natural refrigerant water, it is characterised in that including device of working medium heat pump circulating system, Vapor compressor water charging system, waste heat source water system and high-temperature water outlet system, device of working medium heat pump circulating system are steamed with water Air compressor water charging system is connected by water-circulating pipe and vapor compressor, waste heat source water system and device of working medium heat pump The circulatory system is connected by evaporator, and high-temperature water outlet system is connected with device of working medium heat pump circulating system by condenser；Water Working medium heat pump circulating system by evaporator, flash pipe, vacuum pump, vacuum breaker, vacuum tube, flash tank, water at low temperature steam pipe, Vapor compressor, high-temperature vapor pipe, collector tube, condenser, liquid collecting tank, vapor expansion valve, expansion tube, water-circulating pump, Water-circulating pipe forms, and evaporator is connected with flash tank by flash pipe, and flash tank and vapor compressor pass through low temperature vapor Pipe connects, and vapor compressor is connected with condenser by high-temperature vapor pipe, and condenser is connected with liquid collecting tank by collector tube, Liquid collecting tank, vapor expansion valve and flash tank are sequentially connected by expansion tube, and flash tank, water-circulating pump and evaporator are followed by water Endless tube is sequentially connected, and vacuum pump is connected to the top of flash tank with vacuum breaker by vacuum tube；Vapor compressor moisturizing System is followed by refill flow regulating valve, vapor compressor, vapor compressor small pump, vapor compressor filling pipe and water Endless tube forms, and water-circulating pipe, vapor compressor small pump, refill flow regulating valve and vapor compressor pass through water vapor pressure Contracting machine filling pipe is sequentially connected；Waste heat source water system is made of waste heat outlet pipe, evaporator and waste heat water inlet pipe, waste heat water outlet Pipe connects on an evaporator with waste heat water inlet pipe；High-temperature water outlet system is made of condenser, low temperature water inlet pipe and high-temperature water outlet pipe, Low temperature water inlet pipe and high-temperature water outlet pipe are all connected on condenser.
- 2. the high temperature heat pump circulatory system according to claim 1 using natural refrigerant water, it is characterised in that the water conservancy project Matter heat pump circulating system uses natural refrigerant water to be effectively prevented from the artificial synthesized working medium of fluorochlorohydrocarbon class to ozone as cycle fluid The destruction of layer and serious greenhouse effects, while natural refrigerant water manually closes in economy, security also superior to fluorochlorohydrocarbon class Into working medium.
- 3. the high temperature heat pump circulatory system according to claim 1 using natural refrigerant water, it is characterised in that the water steams The working medium supplemented in air compressor water charging system is natural refrigerant water, not only improves the overall performance of system, but also supplement working medium It is identical with cycle fluid.
- 4. the high temperature heat pump circulatory system according to claim 1 using natural refrigerant water, it is characterised in that the evaporation When evaporator in pressure be in negative pressure state, the pressure of vapor is all in negative pressure shape in flash tank and water at low temperature steam pipe State.
- 5. the high temperature heat pump circulatory system according to claim 1 using natural refrigerant water, it is characterised in that the water conservancy project Matter heat pump circulating system and waste heat source water system sufficiently recycle 80-90 DEG C in waste heat source water system of waste heat, reach back Receive low-grade energy, the purpose of energy-saving and emission-reduction.
- 6. the high temperature heat pump circulatory system according to claim 1 using natural refrigerant water, it is characterised in that the water conservancy project Matter heat pump circulating system and high-temperature water outlet system can produce high-temperature water of the temperature more than 120 DEG C, in meeting production and living The application of a large amount of occasions.
- 7. the high temperature heat pump circulatory system according to claim 1 using natural refrigerant water, it is characterised in that the water steams Air compressor reduces the degree of superheat of its exit vapor by spraying water, and improves the performance of compressor, so that it is whole to improve system The performance of body.
- 8. the method for work of a kind of high temperature heat pump circulatory system using natural refrigerant water, it is characterised in that comprise the following steps：Before system overall operation, the vacuum pump in device of working medium heat pump circulating system works first, passes through vacuum tube and vacuum tune Pressure in flash tank is extracted into specified vacuum and maintains vacuum in flash tank constant by section valve；In system overall operation, waste heat source water system works, and the spent hot water from waste heat source passes through waste heat water inlet pipe Flow into evaporator, exchange heat in evaporator with the low-temperature circulating water from water-circulating pipe, spent hot water's exothermic temperature reduction with Evaporator is flowed out by waste heat outlet pipe afterwards；In system overall operation, device of working medium heat pump circulating system works, and the low temperature saturated steam in flash tank passes through Water at low temperature steam pipe flow into vapor compressor in, low temperature saturated steam in vapor compressor by compression boosting heating into For high-temperature vapor, during low temperature saturated steam is by compression boosting heating, from vapor compressor filling pipe Supplement water sprays into vapor compressor chamber body absorption and gas after the heat of the high-temperature vapor to be formed is compressed by vapor compressor Change simultaneously and high-temperature vapor is mixed to form mixing high-temperature vapor, reduce vapor compressor exit mixing high-temperature vapor Temperature, mixing high-temperature vapor by high-temperature vapor pipe from vapor compressor exit flow into condenser, mix high temperature Vapor forms high-temperature condensation water, high-temperature condensation water to the sub-cooled water condensation heat release from low temperature water inlet pipe within the condenser Liquid collecting tank is flowed into from condenser by collector tube and is assembled in liquid collecting tank, the high-temperature condensation water in liquid collecting tank passes through expansion tube Low-temp low-pressure recirculated water inflow flash tank is formed after flowing through the reduction of vapor expansion valve throttling expansion pressure and temp, low-temp low-pressure follows Flash distillation occurs in flash tank and forms low temperature saturated steam and low temperature saturated water for ring water, and low temperature saturated water is passed through by water-circulating pipe Cross water-circulating pump part and be transported in evaporator and be partly transported in vapor compressor filling pipe, low temperature saturated water is in evaporator The middle heat of vaporization for absorbing the spent hot water from waste heat water inlet pipe forms low temperature vapor, and low temperature vapor is by flash pipe by steaming Device to be sent out to flow into flash tank, the same flash distillation in flash tank of low temperature vapor forms low temperature saturated steam and low temperature saturated water, Low temperature saturated steam in flash tank is again flowed into vapor compressor by water at low temperature steam pipe, the low temperature in flash tank Saturated water is again fed in evaporator by water-circulating pipe by water-circulating pump, forms a complete circulation；In system overall operation, vapor compressor water charging system works, and low temperature saturated water flows into water by water-circulating pipe In Pistonless compressor filling pipe, low temperature saturated water is flowed into vapor compressor small pump by vapor compressor filling pipe, Low temperature saturated flow is transported to through refill flow regulating valve by vapor compressor small pump by vapor compressor filling pipe In the cavity of vapor compressor, low temperature saturated water is compressed to be formed in vapor compressor chamber body absorption by vapor compressor High-temperature vapor heat after gasification and and high-temperature vapor be mixed to form mixing high-temperature vapor；In system overall operation, high-temperature water outlet system works, and low-temperature cooling water flows into condenser by low temperature water inlet pipe, Exchange heat within the condenser with the mixing high-temperature vapor from high-temperature vapor pipe, low-temperature cooling water endothermic temperature rise with High-temperature cooling water being formed afterwards condenser being flowed out by high-temperature water outlet pipe, high-temperature cooling water, which will be collected storage and wait, further to be made With.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710962766.1A CN107957138A (en) | 2017-10-17 | 2017-10-17 | Using the high temperature heat pump circulatory system and its method of work of natural refrigerant water |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724282A (en) * | 2019-02-02 | 2019-05-07 | 天津商业大学 | A kind of closed-up water steam heat pump and the cold-heat combined system of two-stage compression refrigeration unit |
| CN109724294A (en) * | 2019-02-02 | 2019-05-07 | 天津商业大学 | A kind of opened water steam heat pump and the cold-heat combined system of cascade refrigeration unit |
| CN110186219A (en) * | 2019-05-17 | 2019-08-30 | 上海交通大学 | The device of working medium heat pump system of low-pressure steam, high steam and high-temperature-hot-water trilogy supply |
| CN110186220A (en) * | 2019-05-17 | 2019-08-30 | 上海交通大学 | The device of working medium jet type heat pump system and its working method of step waste heat recycling |
| CN111503998A (en) * | 2020-04-27 | 2020-08-07 | 钱锡华 | Cold and hot water integrated preparation device based on compressor principle |
| WO2020211473A1 (en) * | 2019-04-17 | 2020-10-22 | 李华玉 | Combined steam cycle using single working medium |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724282A (en) * | 2019-02-02 | 2019-05-07 | 天津商业大学 | A kind of closed-up water steam heat pump and the cold-heat combined system of two-stage compression refrigeration unit |
| CN109724294A (en) * | 2019-02-02 | 2019-05-07 | 天津商业大学 | A kind of opened water steam heat pump and the cold-heat combined system of cascade refrigeration unit |
| WO2020211473A1 (en) * | 2019-04-17 | 2020-10-22 | 李华玉 | Combined steam cycle using single working medium |
| CN110186219A (en) * | 2019-05-17 | 2019-08-30 | 上海交通大学 | The device of working medium heat pump system of low-pressure steam, high steam and high-temperature-hot-water trilogy supply |
| CN110186220A (en) * | 2019-05-17 | 2019-08-30 | 上海交通大学 | The device of working medium jet type heat pump system and its working method of step waste heat recycling |
| CN110186220B (en) * | 2019-05-17 | 2020-06-12 | 上海交通大学 | Water-medium jet type heat pump system with cascade waste heat recovery function and working method thereof |
| CN110186219B (en) * | 2019-05-17 | 2020-08-04 | 上海交通大学 | Water working medium heat pump system for triple supply of low-pressure steam, high-pressure steam and high-temperature hot water |
| CN111503998A (en) * | 2020-04-27 | 2020-08-07 | 钱锡华 | Cold and hot water integrated preparation device based on compressor principle |
| CN111503998B (en) * | 2020-04-27 | 2021-02-12 | 高燕妮 | Cold and hot water integrated preparation device based on compressor principle |
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Application publication date: 20180424 |