CN110186220A - The device of working medium jet type heat pump system and its working method of step waste heat recycling - Google Patents
The device of working medium jet type heat pump system and its working method of step waste heat recycling Download PDFInfo
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- CN110186220A CN110186220A CN201910411796.2A CN201910411796A CN110186220A CN 110186220 A CN110186220 A CN 110186220A CN 201910411796 A CN201910411796 A CN 201910411796A CN 110186220 A CN110186220 A CN 110186220A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
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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]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
Abstract
The present invention provides the device of working medium jet type heat pump systems and its working method of a kind of recycling of step waste heat, and wherein heat pump system includes high-pressure steam generating system, Low pressure steam generating system, water-vapour spray system and vapor compression heating system；The high-pressure steam generating system is connected with Low pressure steam generating system by waste heat connecting tube (3), high-pressure steam generating system is connected with water-vapour spray system by high pressure tank (28), Low pressure steam generating system is connected with water-vapour spray system by low pressure gasholder (34), water-vapour spray system is connected with vapor compression heating system by high pressure tank (28) and middle pressure air accumulator (15), and high-pressure steam generating system is connected with vapor compression heating system by high pressure tank (28).
Description
Technical field
The present invention relates to heat pump system fields, and in particular, to a kind of device of working medium jet type heat pump of step waste heat recycling
System.
Background technique
The recycling of low grade residual heat refers to the low grade residual heat promotion grade during production and living is sharp again with utilization
With, so that it is effectively reduced the consumption of non-renewable energy, raising non-renewable energy utilization efficiency.According to the statistics of International Energy Agency, work
Industry is the largest thermal energy consumption field, accounts for about global total heat consumable 46%；According to China's national statistics yearbook, in recent years I
State year industrial energy consumes more than 2,900,000,000 tons standard coals.Since efficiency of energy utilization is low, industry produces a large amount of low-grade remaining
Heat accounts for 14% or more of industrial energy total amount consumed, if it is possible to effectively by the relevant technologies by these low grade residual heats
Recycling and utilization can reduce the demand of non-renewable energy, reduce the discharge of pollutant, bring significant environment and economic benefit.
A kind of copper work low grade residual heat recycling for concentrated supply of heating in the city as disclosed in patent document CN103868132A
System, it is characterised in that: it includes waste-heat recovery device in primary net circulating pump and copper work；It is netted back from the primary of pipe network
Water flows into waste-heat recovery device in the copper work by the primary net circulating pump, and waste-heat recovery device collects copper in the copper work
Waste heat is supplied to use for heating primary net return water, the primary net return water after temperature increases in the form that primary net supplies water in factory
Family；Waste-heat recovery device includes the furnace furnace wall difficult to understand waste-heat recovery device being arranged in parallel, the recycling of converter body waste heat in the copper work
It device and drying tower waste-heat recovery device and is recycled with the concatenated absorption tower waste heat of above-mentioned three kinds of waste-heat recovery devices in parallel
Steam afterheat recovery device in device, clinker pond waste-heat recovery device and copper work.
It is the hot spot studied recently by the heat pump system of working media of natural refrigerants such as water similar to above-mentioned, it is following
With very bright application prospect.But device of working medium is because of itself physical property reason, in 100 DEG C or less evaporations at evaporator
Compressor in vacuum state, system not only acts as the effect of boosting heating, it is also necessary to keep the vacuum state in evaporator
Play the role of vacuum pump.The heat pump experiment of device of working medium shows the reduction with evaporating temperature and evaporating pressure, presses in system
Contracting machine needs vacuum degree to be offered to further increase, and causes the performance of system sharply to decline, also reduces the practical of heat pump system
Property and economy.Therefore the performance in order to guarantee device of working medium heat pump system, need to reduce the vacuum degree in evaporator to need
Corresponding evaporating temperature is improved, the raising of evaporating temperature accordingly just needs the waste heat source of higher temperature, to reduce waste heat source
Utilizable temperature range can not just be recycled the waste heat source of lower temperature, reduce the recycling of device of working medium heat pump
The temperature range of waste heat, the quantity of waste heat can be recycled by decreasing device of working medium heat pump, to reduce the warp of device of working medium heat pump
Ji property and practicability.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of device of working medium injecting types of step waste heat recycling
Heat pump system and its working method.
A kind of device of working medium jet type heat pump system of the step waste heat recycling provided according to the present invention, including high-pressure steam
Generating system, Low pressure steam generating system, water-vapour spray system and vapor compress heating system；The high pressure water steams
Gas generating system is connected with Low pressure steam generating system by waste heat connecting tube, high-pressure steam generating system and vapor
Spraying system is connected by high pressure tank, and Low pressure steam generating system and water-vapour spray system pass through low pressure gasholder
It is connected, water-vapour spray system is connected with vapor compression heating system by high pressure tank and middle pressure air accumulator, high
Pressure vapor generating system is connected with vapor compression heating system by high pressure tank；
Preferably, the high-pressure steam generating system mainly by waste heat connecting tube, high pressure evaporator, waste heat water inlet pipe,
High pressure muffler, high pressure tank, cycle of higher pressure pipe, high pressure control valve and high-pressure circulation pump composition；
Waste heat water inlet pipe and waste heat connecting tube are connected on high pressure evaporator, and high pressure evaporator and high pressure tank pass through height
Tracheae connection is pushed back, high pressure tank is connected with high-pressure circulation pump by cycle of higher pressure pipe, and high pressure is housed on cycle of higher pressure pipe
Control valve, high-pressure circulation pump and high pressure evaporator are connected by high-pressure intake pipe；
Preferably, the Low pressure steam generating system mainly by waste heat outlet pipe, low pressure evaporator, waste heat connecting tube,
Low pressure muffler, low pressure gasholder, low pressure recycle pipe, low-pressure control valve, low pressure recycle pump and low pressure water inlet pipe composition；
Waste heat outlet pipe and waste heat connecting tube are connected on low pressure evaporator, and low pressure evaporator and low pressure gasholder pass through low
Tracheae connection is pushed back, low pressure gasholder is pumped with low pressure recycle and connected by low pressure recycle pipe, and low pressure is housed on low pressure recycle pipe
Control valve, low pressure recycle pump are connected with low pressure evaporator by low pressure water inlet pipe；
Preferably, the water-vapour spray system is mainly by middle pressure air accumulator, return hydraulic control valve, liquid back pipe, high-pressure injection
Pipe, jet pump, injection escape pipe, low-pressure injection pipe, expansion water inlet pipe, inflated with low pressure valve, expansion outlet pipe, high pressure tank with
And low pressure gasholder composition；
High pressure tank and inflated with low pressure valve connects by expanding water inlet pipe, and inflated with low pressure valve and low pressure gasholder pass through swollen
The connection of expansion water pipe, high pressure tank are connected with jet pump by high-pressure injection pipe, and low pressure gasholder and jet pump pass through low pressure
Ejector pipe connection, jet pump and middle pressure air accumulator are connected by spraying escape pipe, and middle pressure air accumulator and low pressure gasholder pass through back
Liquid pipe connection, is equipped with return hydraulic control valve on liquid back pipe；
Preferably, vapor compression heating system mainly by expansion outlet tube, high-pressure expansion valve, expansion inlet tube,
Cooling water inlet pipe, condenser, cooling water outlet pipe, exhaust pipe, vapor compressor, air inlet pipe, middle pressure air accumulator, water supply pipe, benefit
Water control valve and high pressure tank composition；
Middle pressure air accumulator is connected with vapor compressor by air inlet pipe, and vapor compressor and condenser pass through exhaust pipe
Connection, condenser and high-pressure expansion valve are connected by expanding inlet tube, and cooling water inlet pipe and cooling water outlet pipe are connected to condenser
On, high-pressure expansion valve is connected with high pressure tank by expanding outlet tube, and high pressure tank and vapor compressor pass through moisturizing
Pipe connection, is equipped with moisturizing control valve on water supply pipe.
A kind of device of working medium jet type heat pump system of the step waste heat recycling provided according to the present invention, including high-pressure steam
Generating system, Low pressure steam generating system, water-vapour spray system and vapor compress heating system；The high pressure water steams
Gas generating system is connected with Low pressure steam generating system by waste heat connecting tube, high-pressure steam generating system and vapor
Spraying system is connected by high pressure tank, and Low pressure steam generating system and water-vapour spray system pass through low pressure gasholder
It is connected, water-vapour spray system is connected with vapor compression heating system by high pressure tank and middle pressure air accumulator, high
Pressure vapor generating system is connected with vapor compression heating system by high pressure tank；
The high-pressure steam generating system is mainly by waste heat connecting tube, high pressure evaporator, waste heat water inlet pipe, high pressure return-air
Pipe, high pressure tank, cycle of higher pressure pipe, high pressure control valve and high-pressure circulation pump composition；
Waste heat water inlet pipe and waste heat connecting tube are connected on high pressure evaporator, and high pressure evaporator and high pressure tank pass through height
Tracheae connection is pushed back, high pressure tank is connected with high-pressure circulation pump by cycle of higher pressure pipe, and high pressure is housed on cycle of higher pressure pipe
Control valve, high-pressure circulation pump and high pressure evaporator are connected by high-pressure intake pipe；
The Low pressure steam generating system is mainly by waste heat outlet pipe, low pressure evaporator, waste heat connecting tube, low pressure return-air
Pipe, low pressure gasholder, low pressure recycle pipe, low-pressure control valve, low pressure recycle pump and low pressure water inlet pipe composition；
Waste heat outlet pipe and waste heat connecting tube are connected on low pressure evaporator, and low pressure evaporator and low pressure gasholder pass through low
Tracheae connection is pushed back, low pressure gasholder is pumped with low pressure recycle and connected by low pressure recycle pipe, and low pressure is housed on low pressure recycle pipe
Control valve, low pressure recycle pump are connected with low pressure evaporator by low pressure water inlet pipe；
The water-vapour spray system is mainly by middle pressure air accumulator, return hydraulic control valve, liquid back pipe, high-pressure injection pipe, injection
Pump, injection escape pipe, low-pressure injection pipe, expansion water inlet pipe, inflated with low pressure valve, expansion outlet pipe, high pressure tank and low pressure
Air accumulator composition；
High pressure tank and inflated with low pressure valve connects by expanding water inlet pipe, and inflated with low pressure valve and low pressure gasholder pass through swollen
The connection of expansion water pipe, high pressure tank are connected with jet pump by high-pressure injection pipe, and low pressure gasholder and jet pump pass through low pressure
Ejector pipe connection, jet pump and middle pressure air accumulator are connected by spraying escape pipe, and middle pressure air accumulator and low pressure gasholder pass through back
Liquid pipe connection, is equipped with return hydraulic control valve on liquid back pipe；
The vapor compression heating system is mainly by expansion outlet tube, high-pressure expansion valve, expansion inlet tube, cooling water inlet
Pipe, condenser, cooling water outlet pipe, exhaust pipe, vapor compressor, air inlet pipe, middle pressure air accumulator, water supply pipe, moisturizing control valve
And high pressure tank composition；
Middle pressure air accumulator is connected with vapor compressor by air inlet pipe, and vapor compressor and condenser pass through exhaust pipe
Connection, condenser and high-pressure expansion valve are connected by expanding inlet tube, and cooling water inlet pipe and cooling water outlet pipe are connected to condenser
On, high-pressure expansion valve is connected with high pressure tank by expanding outlet tube, and high pressure tank and vapor compressor pass through moisturizing
Pipe connection, is equipped with moisturizing control valve on water supply pipe.
The device of working medium jet type heat pump system working method of a kind of step waste heat recycling provided according to the present invention, in utilization
The device of working medium jet type heat pump system for the step waste heat recycling stated, including high-pressure steam generating system work step；
High-pressure steam generating system work step: the high temperature waste hot water from waste heat source is flowed into high by waste heat water inlet pipe
Evaporator is pressed, the high temperature saturated water from high-pressure circulation pump exchanges heat in high temperature waste hot water and high pressure evaporator, and high temperature waste hot water will
High temperature saturated water heating in high pressure evaporator, temperature reduces to form low temperature waste heat water after the heat release of high temperature waste hot water, and low temperature is useless
Hot water flows into low pressure evaporator by waste heat connecting tube, and the high temperature saturated water in high pressure evaporator is absorbed from high temperature waste hot water
Heat of vaporization forms high-temperature high-pressure steam, and high-temperature high-pressure steam flows into high pressure tank by high pressure muffler, and high temperature is high
Pressure vapor is separated into high-pressure steam and high temperature saturated water in high pressure tank, and the high temperature saturated water in high pressure tank is logical
It crosses high pressure circulation pipe and flows into high-pressure circulation pump, the aperture regulation high temperature saturated water of high pressure control valve on cycle of higher pressure pipe can be passed through
Flow, high-pressure circulation pump by high-pressure intake pipe will high temperature saturated water be sent into high pressure evaporator in formed one circulation；
Preferably, the device of working medium jet type heat pump system working method of the step waste heat recycling further include:
Low pressure steam generating system work step: the low temperature waste heat water from high pressure evaporator passes through waste heat connecting tube stream
Enter low pressure evaporator, the low temperature saturated water from low pressure recycle pump exchanges heat in low temperature waste heat water and low pressure evaporator, low-temperature waste heat
Water heats the low temperature saturated water in low pressure evaporator, passes through waste heat outlet pipe after low temperature waste heat water heat release and flows out, and low pressure is steamed
It sends out the low temperature saturated water in device and absorbs the heat of vaporization formation low-pressure vapor from low temperature waste heat water, low-temp low-pressure water steams
Gas by low pressure muffler flow into low pressure gasholder, low-pressure vapor be separated into low pressure gasholder Low pressure steam and
Low temperature saturated water, the low temperature saturated water in low pressure gasholder flow into low pressure recycle pump by low pressure recycle pipe, can pass through low pressure
The flow of the aperture regulation low temperature saturated water of low-pressure control valve on circulation pipe, low pressure recycle pump are satisfied low temperature by low pressure water inlet pipe
It is sent into low pressure evaporator with water and forms a circulation；
Preferably, the device of working medium jet type heat pump system working method of the step waste heat recycling further include:
Water-vapour spray system work step: the high-pressure steam from high pressure tank flows into spray by high-pressure injection pipe
It penetrates in pump, by low-pressure injection pipe by the Low pressure steam injection in low pressure gasholder when high-pressure steam flows in jet pump
Enter jet pump, high-pressure steam in jet pump by Low pressure steam injection be collectively formed in press moist steam, middle pressure moist steam is logical
Overspray escape pipe presses air accumulator in flowing into, middle pressure moist steam be separated into middle pressure air accumulator in pressure vapor and medium temperature be saturated
Water, medium temperature saturated water pass back into low pressure gasholder by liquid back pipe, can pass through the aperture regulation of liquid back pipe last time hydraulic control valve
The flow of medium temperature saturated water, the high temperature saturated water in high pressure tank flow into inflated with low pressure valve by expansion water inlet pipe, and height is had enough to eat and wear
Decrease temperature and pressure is expanded in inflated with low pressure valve with water and forms low pressure moist steam, low temperature moist steam flows into low pressure by expansion outlet pipe
Air accumulator, low pressure moist steam are separated into Low pressure steam and low temperature saturated water in low pressure gasholder, can pass through expansion valve
The flow of aperture regulation high temperature saturated water inflow low pressure gasholder；
Preferably, the device of working medium jet type heat pump system working method of the step waste heat recycling further include:
Vapor compresses heating system work step: vapor compressor passes through air inlet pipe for the middle pressure in middle pressure air accumulator
Vapor sucks compression in the compression chamber of vapor compressor, from high pressure tank during vapor is pressed in compression
What is generated in absorption compression process in the compression chamber that high temperature saturated water passes through water supply pipe penetrating vapor compressor crosses thermal evaporation, can
Reduced by spraying into high temperature saturated water by the straying quatity of the aperture regulation high temperature saturated water of moisturizing control valve on water supply pipe
The degree of superheat of vapor compressor air-discharging, vapor compressor pressure water vapor pressure in shortens high temperature and pressure heat supply vapor into, high
Warm high pressure heat supply vapor flows into condenser by exhaust pipe, and high temperature and pressure heat supply vapor condenses heat release within the condenser and formed
High temperature and pressure condensate liquid, the heat of high temperature and pressure heat supply vapor release is used to heat the low-temperature cooling water from user terminal, high
Warm high pressure condensate liquid flows into high-pressure expansion valve by expansion inlet tube, and high temperature and pressure condensate liquid expands cooling in high-pressure expansion valve
Decompression forms high pressure moist steam, and high pressure moist steam flows into high pressure tank by expansion outlet tube, and high pressure moist steam is stored up in high pressure
High-pressure steam and high temperature saturated water are separated into gas tank, it is cold that the low-temperature cooling water from user terminal passes through cooling water inlet pipe inflow
Condenser, low-temperature cooling water are formed high in condenser after the high temperature and pressure heat supply vapor heating from vapor compressor
Warm cooling water, high-temperature cooling water flow back into user terminal by cooling water outlet pipe.
Compared with prior art, the present invention have it is following the utility model has the advantages that
1, by the present invention in that using device of working medium as the working media of entire heat pump system, device of working medium naturally exists,
Environmentally protective, no greenhouse effects, to ozone layer without destruction, working medium is easy to get, low in cost, nontoxic non-combustible, does not protect only effectively
It has protected environment and has reduced system cost, improved the safety and reliability of system.
2, by the present invention in that with high-pressure steam generating system and Low pressure steam generating system by waste heat source high temperature section
It is all adequately recycled with the waste heat of low-temperature zone, has effectively achieved the cascade utilization of residual heat resources, reducing residual heat resources can benefit
With temperature, residual heat resources amount usable can be increased using temperature range by expanding residual heat resources.
3, by the present invention in that with jet pump can using high-pressure steam high pressure injection Low pressure steam and will be high
Pressure vapor and Low pressure steam are mixed to form middle pressure moist steam, effectively improve the suction pressure of vapor compressor, keep away
The relatively low problem of vapor compressor working efficiency is exempted from, ensure that effective recycling of waste heat source low-temperature zone and has utilized, has improved
The overall operation efficiency of heat pump unit.
4, by the present invention in that pressing air accumulator that middle pressure moist steam can be separated into middle pressure vapor and medium temperature saturation in
Water, is effectively guaranteed middle pressure vapor and stablizing for medium temperature saturated water conveys, and helps to ensure that the normal table of system entirety
Operation.
5, it is steamed by the present invention in that the high temperature saturated water in high pressure tank is sprayed into water with water supply pipe and moisturizing control valve
In air compressor, it can guarantee the smooth penetrating of high temperature saturated water in high pressure tank with high pressure, avoid additional water spray
The use of pump effectively reduces the work consuming component in system, reduces the power consumption of system.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is the structural schematic diagram of the device of working medium jet type heat pump system of step waste heat provided by the invention recycling.
It is shown in figure:
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention
Protection scope.
Preference of the present invention provides a kind of device of working medium jet type heat pump system of step waste heat recycling, and this system not only can be with
It realizes the working media using natural medium water as heat pump system, while the step recycling of residual heat resources may be implemented and utilize,
Significantly reduce residual heat resources using temperature, expand the effective use temperature range of residual heat resources, improve water conservancy project
The excess heat that matter heat pump system can recycle, while ensure that the efficient operation of device of working medium heat pump system, reach environmental protection
With the effect of energy-saving and emission-reduction.
The system connection description of preference of the present invention is as follows:
As shown in Figure 1, the device of working medium jet type heat pump system of this step waste heat recycling, including high-pressure steam system
System, Low pressure steam generating system, water-vapour spray system and vapor compress heating system, high-pressure steam generating system with
Low pressure steam generating system is connected by waste heat connecting tube 3, and high-pressure steam generating system and water-vapour spray system are logical
It crosses high pressure tank 28 to be connected, Low pressure steam generating system is connected with water-vapour spray system by low pressure gasholder 34
It connects, water-vapour spray system is connected with vapor compression heating system by high pressure tank 28 and middle pressure air accumulator 15, high
Pressure vapor generating system is connected with vapor compression heating system by high pressure tank 28；High-pressure steam generating system
By waste heat connecting tube 3, high pressure evaporator 4, waste heat water inlet pipe 5, high pressure muffler 27, high pressure tank 28, cycle of higher pressure pipe 29,
High pressure control valve 30, high-pressure circulation pump 31, high-pressure intake pipe 32 form, and waste heat water inlet pipe 5 and waste heat connecting tube 3 are connected to high pressure
On evaporator 4, high pressure evaporator 4 and high pressure tank 28 are connected by high pressure muffler 27, and high pressure tank 28 and high pressure are followed
Ring pump 31 is connected by cycle of higher pressure pipe 29, and high pressure control valve 30, high-pressure circulation pump 31 and height are housed on cycle of higher pressure pipe 29
Pressure evaporator 4 is connected by high-pressure intake pipe 32；Low pressure steam generating system is given up by waste heat outlet pipe 1, low pressure evaporator 2
Thermal connection pipe 3, low pressure muffler 33, low pressure gasholder 34, low pressure recycle pipe 35, low-pressure control valve 36, low pressure recycle pump 37 are low
It is pressed into the composition of water pipe 38, waste heat outlet pipe 1 and waste heat connecting tube 3 are connected on low pressure evaporator 2, low pressure evaporator 2 and low pressure
Air accumulator 34 is connected by low pressure muffler 33, and low pressure gasholder 34 and low pressure recycle pump 37 are connected by low pressure recycle pipe 35,
Low-pressure control valve 36 is housed on low pressure recycle pipe 35, low pressure recycle pump 37 and low pressure evaporator 2 are connected by low pressure water inlet pipe 38
It connects；Water-vapour spray system is by middle pressure air accumulator 15, return hydraulic control valve 16, liquid back pipe 17, high-pressure injection pipe 20, jet pump 21,
Escape pipe 22 is sprayed, low-pressure injection pipe 23 expands water inlet pipe 24, and inflated with low pressure valve 25 expands outlet pipe 26, high pressure tank
28, low pressure gasholder 34 forms, and high pressure tank 28 and inflated with low pressure valve 25 are connected by expansion water inlet pipe 24, inflated with low pressure valve
25 and low pressure gasholder 34 connected by expansion outlet pipe 26, high pressure tank 28 and jet pump 21 pass through the company of high-pressure injection pipe 20
It connects, low pressure gasholder 34 and jet pump 21 are connected by low-pressure injection pipe 23, and jet pump 21 and middle pressure air accumulator 15 pass through injection
Escape pipe 22 connects, and middle pressure air accumulator 15 and low pressure gasholder 34 are connected by liquid back pipe 17, and liquid is housed back on liquid back pipe 17
Control valve 16；Vapor compresses heating system by expansion outlet tube 6, and high-pressure expansion valve 7 expands inlet tube 8, cools down water inlet pipe 9,
Condenser 10, cooling water outlet pipe 11, exhaust pipe 12, vapor compressor 13, air inlet pipe 14, middle pressure air accumulator 15, water supply pipe 18,
Moisturizing control valve 19, high pressure tank 28 form, and middle pressure air accumulator 15 and vapor compressor 13 are connected by air inlet pipe 14, water
Pistonless compressor 13 and condenser 10 are connected by exhaust pipe 12, and condenser 10 and high-pressure expansion valve 7 are connected by expansion inlet tube 8
It connects, cooling water inlet pipe 9 and cooling water outlet pipe 11 are connected on condenser 10, and high-pressure expansion valve 7 and high pressure tank 28 pass through swollen
Expansion liquid pipe 6 connects, and high pressure tank 28 and vapor compressor 13 are connected by water supply pipe 18, equipped with benefit on water supply pipe 18
Water control valve 19.
In order to maintain system to operate normally, and the high temperature waste hot water for fully recycling waste heat source high temperature section generates high pressure
Vapor realizes the cascade utilization of residual heat resources, and high pressure evaporator 4, high-pressure gas are housed in high-pressure steam generating system
Tank 28 and high-pressure circulation pump 31, high pressure evaporator 4, which can be realized high temperature saturated water and effectively absorb heat from high temperature waste hot water, to be evaporated, and is held
Continuous steadily to generate high-temperature high-pressure steam, high pressure tank 28 can be realized effective point of high-pressure steam and high temperature saturated water
It is conveyed from stable, maintains the stability and security of high-pressure steam generating system, high-pressure circulation pump 31 can be by high temperature saturated water
It is sustainedly and stably sent into high pressure evaporator from high pressure tank, guarantees that high-pressure steam generating system circulation operates normally.
In order to maintain system to operate normally, and the low temperature waste heat water for fully recycling waste heat source low-temperature zone generates low pressure
Vapor realizes the cascade utilization of residual heat resources, and low pressure evaporator 2, low pressure gas storage are housed in Low pressure steam generating system
Tank 34 and low pressure recycle pump 37, low pressure evaporator 2, which can be realized low temperature saturated water and effectively absorb heat from low temperature waste heat water, to be evaporated, and is held
Continuous steadily to generate low-pressure vapor, low pressure gasholder 34 can be realized effective point of Low pressure steam and low temperature saturated water
It is conveyed from stable, maintains the stability and security of Low pressure steam generating system, low pressure recycle pump 37 can be by low temperature saturated water
It is sustainedly and stably sent into low pressure evaporator from low pressure gasholder, guarantees that Low pressure steam generating system circulation operates normally.
In order to maintain system to operate normally, avoid low efficiency caused by vapor compressor compression and low pressure vapor existing
As, and the high pressure of high-pressure steam is fully utilized, jet pump 21 and middle pressure air accumulator 15 are housed in water-vapour spray system,
Jet pump 21 can effectively utilize the high pressure injection Low pressure steam of high-pressure steam and by high-pressure steam and low pressure water
Steam is mixed to form middle pressure moist steam, improves the pressure of Low pressure steam, avoids the low phenomenon of vapor compressor efficiency,
It ensure that effective recycling of waste heat source low-temperature zone simultaneously and utilize, middle pressure air accumulator 15 can be realized middle pressure vapor and have enough to eat and wear in
It is conveyed with efficiently separating for water with stable, helps to ensure that the normal table operation of system entirety.
In order to maintain system to operate normally, and pressure vapor makes its boosting heating generate high temperature and pressure heat supply in compression
Vapor is equipped with vapor compressor 13, water supply pipe 18 and moisturizing control valve 19, vapor in vapor compression heating system
Compressor 13 can consume electric energy and carrying out compression to the middle pressure vapor of sucking makes its boosting heat up, and water supply pipe 18 can will be high
Warm saturated water sprays into the compression chamber of vapor compressor the degree of superheat for reducing vapor in compression process, 19 energy of moisturizing control valve
The amount for the high temperature saturated water that enough control sprays into makes the high temperature and pressure heat supply vapor of vapor compressor discharge close to saturation shape
State.
In order to maintain system to operate normally, and the heat for recycling waste heat source is transported to user terminal with higher temperature and is supplied
User uses, and condenser 10, cooling water inlet pipe 9 and cooling water outlet pipe 11, condenser are housed in vapor compression heating system
10 can guarantee the condensation heat release of high temperature and pressure heat supply vapor, and heat is effectively transferred to the cooling water of user terminal, cold
But water inlet pipe 9 and cooling water outlet pipe 11 can guarantee stabilization circular flow of the cooling water in user terminal and system.
Working-flow explanation:
In system overall operation, high-pressure steam generating system works first, the high temperature waste hot from waste heat source
Water flows into high pressure evaporator 4 by waste heat water inlet pipe 5, and high temperature waste hot water and high pressure evaporator 4 are interior from high-pressure circulation pump 31
The heat exchange of high temperature saturated water, high temperature waste hot water heat the high temperature saturated water in high pressure evaporator 4, temperature after the heat release of high temperature waste hot water
Degree reduces and forms low temperature waste heat water, and low temperature waste heat water flows into low pressure evaporator 2 by waste heat connecting tube 3, in high pressure evaporator 4
High temperature saturated water absorbs the heat of vaporization from high temperature waste hot water and forms high-temperature high-pressure steam, and high-temperature high-pressure steam passes through height
It pushes back tracheae 27 and flows into high pressure tank 28, high-temperature high-pressure steam is separated into high-pressure steam and height in high pressure tank 28
Warm saturated water, the high temperature saturated water in high pressure tank 28 flow into high-pressure circulation pump 31 by cycle of higher pressure pipe 29, can pass through
The flow of the aperture regulation high temperature saturated water of high pressure control valve 30, high-pressure circulation pump 31 pass through high-pressure water inlet on cycle of higher pressure pipe 29
High temperature saturated water is sent into high pressure evaporator 4 and forms a circulation by pipe 32.
In system overall operation, Low pressure steam generating system then works, the low temperature from high pressure evaporator 4
Spent hot water flows into low pressure evaporator 2 by waste heat connecting tube 3, pumps in low temperature waste heat water and low pressure evaporator 2 from low pressure recycle
37 low temperature saturated water heat exchange, low temperature waste heat water by low pressure evaporator 2 low temperature saturated water heat, low temperature waste heat water heat release with
It is flowed out afterwards by waste heat outlet pipe 1, the low temperature saturated water in low pressure evaporator 2 absorbs the heat of vaporization shape from low temperature waste heat water
At low-pressure vapor, low-pressure vapor flows into low pressure gasholder 34 by low pressure muffler 33, and low-temp low-pressure water steams
Gas is separated into Low pressure steam and low temperature saturated water in low pressure gasholder 34, and the low temperature saturated water in low pressure gasholder 34 passes through
Low pressure recycle pipe 35 flows into low pressure recycle pump 37, can pass through the aperture regulation low temperature of low-pressure control valve 36 on low pressure recycle pipe 35
The flow of saturated water, low temperature saturated water is sent into low pressure evaporator 2 by low pressure recycle pump 37 by low pressure water inlet pipe 38 forms one
A circulation.
In system overall operation, water-vapour spray system works, the high-pressure steam from high pressure tank 28
It is flowed into jet pump 21 by high-pressure injection pipe 20, it will by low-pressure injection pipe 23 when high-pressure steam flows in jet pump 21
Low pressure steam injection in low pressure gasholder 34 enters jet pump 21, and high-pressure steam draws Low pressure steam in jet pump 21
It penetrates and middle pressure moist steam is collectively formed, by pressing air accumulator 15 in the injection inflow of escape pipe 22, middle pressure moist steam exists middle pressure moist steam
Middle pressure vapor and medium temperature saturated water are separated into middle pressure air accumulator 15, medium temperature saturated water passes back into low pressure storage by liquid back pipe 17
Gas tank 34 can pass through the flow of the aperture regulation medium temperature saturated water of liquid back pipe 17 last time hydraulic control valve 16, high pressure tank 28
Interior high temperature saturated water flows into inflated with low pressure valve 25 by expansion water inlet pipe 24, and high temperature saturated water expands in inflated with low pressure valve 25
Decrease temperature and pressure forms low pressure moist steam, and low temperature moist steam flows into low pressure gasholder 34, low pressure moist steam by expansion outlet pipe 26
It is separated into Low pressure steam and low temperature saturated water in low pressure gasholder 34, can be saturated by the aperture regulation high temperature of expansion valve
The flow of water inflow low pressure gasholder 34.
In system overall operation, vapor compression heating system works, and vapor compressor 13 passes through air inlet pipe
14 will compress in the compression chamber of the middle pressure vapor sucking vapor compressor 13 in middle pressure air accumulator 15, press water to steam in compression
High temperature saturated water during gas from high pressure tank 28 sprays into the compression chamber of vapor compressor 13 by water supply pipe 18
What is generated in interior absorption compression process crosses thermal evaporation, can be had enough to eat and wear by the aperture regulation height of moisturizing control valve 19 on water supply pipe 18
With the straying quatity of water, the degree of superheat of the exhaust of vapor compressor 13, vapor compressor are reduced by spraying into high temperature saturated water
Water vapor pressure is pressed to shorten high temperature and pressure heat supply vapor into 13, high temperature and pressure heat supply vapor flows into condensation by exhaust pipe 12
Device 10, high temperature and pressure heat supply vapor condense heat release in condenser 10 and form high temperature and pressure condensate liquid, high temperature and pressure supplying hot water
The heat of steam release is used to heat the low-temperature cooling water from user terminal, and high temperature and pressure condensate liquid is flowed by expansion inlet tube 8
Enter high-pressure expansion valve 7, high temperature and pressure condensate liquid expands decrease temperature and pressure in high-pressure expansion valve 7 and forms high pressure moist steam, and high pressure is wet
Steam flows into high pressure tank 28 by expansion outlet tube 6, and high pressure moist steam is separated into high pressure water steaming in high pressure tank 28
Gas and high temperature saturated water, the low-temperature cooling water from user terminal pass through cooling water inlet pipe 9 and flow into condenser 10, and low-temperature cooling water exists
High-temperature cooling water, high temperature are formed after the high temperature and pressure heat supply vapor heating from vapor compressor 13 in condenser 10
Cooling water flows back into user terminal by cooling water outlet pipe 11.
In the description of the present application, it is to be understood that term " on ", "front", "rear", "left", "right", " is erected at "lower"
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is orientation based on the figure or position
Relationship is set, description the application is merely for convenience of and simplifies description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (10)
1. a kind of device of working medium jet type heat pump system of step waste heat recycling, which is characterized in that including high-pressure steam system
System, Low pressure steam generating system, water-vapour spray system and vapor compress heating system；The high-pressure steam occurs
System is connected with Low pressure steam generating system by waste heat connecting tube (3), and high-pressure steam generating system and vapor spray
It penetrates system to be connected by high pressure tank (28), Low pressure steam generating system and water-vapour spray system pass through low pressure gas storage
Tank (34) is connected, and water-vapour spray system and vapor compression heating system pass through high pressure tank (28) and middle pressure air accumulator
(15) it is connected, high-pressure steam generating system is connected with vapor compression heating system by high pressure tank (28).
2. the device of working medium jet type heat pump system of step waste heat recycling according to claim 1, which is characterized in that the height
Press vapor generating system mainly by waste heat connecting tube (3), high pressure evaporator (4), waste heat water inlet pipe (5), high pressure muffler
(27), high pressure tank (28), cycle of higher pressure pipe (29), high pressure control valve (30) and high-pressure circulation pump (31) composition；
Waste heat water inlet pipe (5) and waste heat connecting tube (3) are connected on high pressure evaporator (4), high pressure evaporator (4) and high-pressure gas
Tank (28) is connected by high pressure muffler (27), and high pressure tank (28) and high-pressure circulation pump (31) pass through cycle of higher pressure pipe (29)
Connection is equipped with high pressure control valve (30) on cycle of higher pressure pipe (29), and high-pressure circulation pump (31) and high pressure evaporator (4) pass through height
It is pressed into water pipe (32) connection.
3. the device of working medium jet type heat pump system of step waste heat recycling according to claim 1, which is characterized in that described low
Press vapor generating system mainly by waste heat outlet pipe (1), low pressure evaporator (2), waste heat connecting tube (3), low pressure muffler
(33), low pressure gasholder (34), low pressure recycle pipe (35), low-pressure control valve (36), low pressure recycle pump (37) and low pressure water inlet
Manage (38) composition；
Waste heat outlet pipe (1) and waste heat connecting tube (3) are connected on low pressure evaporator (2), low pressure evaporator (2) and low pressure gas storage
Tank (34) is connected by low pressure muffler (33), and low pressure gasholder (34) and low pressure recycle pump (37) pass through low pressure recycle pipe (35)
Connection is equipped with low-pressure control valve (36) on low pressure recycle pipe (35), low pressure recycle pump (37) and low pressure evaporator (2) pass through it is low
It is pressed into water pipe (38) connection.
4. the device of working medium jet type heat pump system of step waste heat recycling according to claim 1, which is characterized in that the water
Steam injection system is mainly by middle pressure air accumulator (15), return hydraulic control valve (16), liquid back pipe (17), high-pressure injection pipe (20), spray
Penetrate pump (21), injection escape pipe (22), low-pressure injection pipe (23), expansion water inlet pipe (24), inflated with low pressure valve (25), expansion water outlet
Manage (26), high pressure tank (28) and low pressure gasholder (34) composition；
High pressure tank (28) and inflated with low pressure valve (25) pass through expansion water inlet pipe (24) connection, inflated with low pressure valve (25) and low pressure
Air accumulator (34) passes through high-pressure injection pipe (20) by expansion outlet pipe (26) connection, high pressure tank (28) and jet pump (21)
Connection, low pressure gasholder (34) and jet pump (21) are connected by low-pressure injection pipe (23), jet pump (21) and middle pressure air accumulator
(15) it is connected by injection escape pipe (22) connection, middle pressure air accumulator (15) and low pressure gasholder (34) by liquid back pipe (17),
Return hydraulic control valve (16) are housed on liquid back pipe (17).
5. the device of working medium jet type heat pump system of step waste heat recycling according to claim 1, which is characterized in that the water
Steam compressed heating system is mainly by expansion outlet tube (6), high-pressure expansion valve (7), expansion inlet tube (8), cooling water inlet pipe
(9), condenser (10), cooling water outlet pipe (11), exhaust pipe (12), vapor compressor (13), air inlet pipe (14), middle pressure gas storage
Tank (15), water supply pipe (18), moisturizing control valve (19) and high pressure tank (28) composition；
Middle pressure air accumulator (15) and vapor compressor (13) are connected by air inlet pipe (14), vapor compressor (13) and condensation
Device (10) is connected by exhaust pipe (12), and condenser (10) and high-pressure expansion valve (7) are cooling by expansion inlet tube (8) connection
Water inlet pipe (9) and cooling water outlet pipe (11) are connected on condenser (10), and high-pressure expansion valve (7) and high pressure tank (28) pass through
Outlet tube (6) connection is expanded, high pressure tank (28) and vapor compressor (13) are connected by water supply pipe (18), in water supply pipe
(18) moisturizing control valve (19) are housed on.
6. a kind of device of working medium jet type heat pump system of step waste heat recycling, which is characterized in that including high-pressure steam system
System, Low pressure steam generating system, water-vapour spray system and vapor compress heating system；The high-pressure steam occurs
System is connected with Low pressure steam generating system by waste heat connecting tube (3), and high-pressure steam generating system and vapor spray
It penetrates system to be connected by high pressure tank (28), Low pressure steam generating system and water-vapour spray system pass through low pressure gas storage
Tank (34) is connected, and water-vapour spray system and vapor compression heating system pass through high pressure tank (28) and middle pressure air accumulator
(15) it is connected, high-pressure steam generating system is connected with vapor compression heating system by high pressure tank (28)；
The high-pressure steam generating system is mainly by waste heat connecting tube (3), high pressure evaporator (4), waste heat water inlet pipe (5), height
Push back tracheae (27), high pressure tank (28), cycle of higher pressure pipe (29), high pressure control valve (30) and high-pressure circulation pump (31) group
At；
Waste heat water inlet pipe (5) and waste heat connecting tube (3) are connected on high pressure evaporator (4), high pressure evaporator (4) and high-pressure gas
Tank (28) is connected by high pressure muffler (27), and high pressure tank (28) and high-pressure circulation pump (31) pass through cycle of higher pressure pipe (29)
Connection is equipped with high pressure control valve (30) on cycle of higher pressure pipe (29), and high-pressure circulation pump (31) and high pressure evaporator (4) pass through height
It is pressed into water pipe (32) connection；
The Low pressure steam generating system is mainly by waste heat outlet pipe (1), low pressure evaporator (2), waste heat connecting tube (3), low
Push back tracheae (33), low pressure gasholder (34), low pressure recycle pipe (35), low-pressure control valve (36), low pressure recycle pump (37) and
Low pressure water inlet pipe (38) composition；
Waste heat outlet pipe (1) and waste heat connecting tube (3) are connected on low pressure evaporator (2), low pressure evaporator (2) and low pressure gas storage
Tank (34) is connected by low pressure muffler (33), and low pressure gasholder (34) and low pressure recycle pump (37) pass through low pressure recycle pipe (35)
Connection is equipped with low-pressure control valve (36) on low pressure recycle pipe (35), low pressure recycle pump (37) and low pressure evaporator (2) pass through it is low
It is pressed into water pipe (38) connection；
The water-vapour spray system is mainly by middle pressure air accumulator (15), return hydraulic control valve (16), liquid back pipe (17), high-pressure injection
Manage (20), jet pump (21), injection escape pipe (22), low-pressure injection pipe (23), expansion water inlet pipe (24), inflated with low pressure valve
(25), outlet pipe (26), high pressure tank (28) and low pressure gasholder (34) composition are expanded；
High pressure tank (28) and inflated with low pressure valve (25) pass through expansion water inlet pipe (24) connection, inflated with low pressure valve (25) and low pressure
Air accumulator (34) passes through high-pressure injection pipe (20) by expansion outlet pipe (26) connection, high pressure tank (28) and jet pump (21)
Connection, low pressure gasholder (34) and jet pump (21) are connected by low-pressure injection pipe (23), jet pump (21) and middle pressure air accumulator
(15) it is connected by injection escape pipe (22) connection, middle pressure air accumulator (15) and low pressure gasholder (34) by liquid back pipe (17),
Return hydraulic control valve (16) are housed on liquid back pipe (17)；
Vapor compression heating system is mainly by expansion outlet tube (6), high-pressure expansion valve (7), expansion inlet tube (8), cold
But water inlet pipe (9), condenser (10), cooling water outlet pipe (11), exhaust pipe (12), vapor compressor (13), air inlet pipe (14),
Middle pressure air accumulator (15), water supply pipe (18), moisturizing control valve (19) and high pressure tank (28) composition；
Middle pressure air accumulator (15) and vapor compressor (13) are connected by air inlet pipe (14), vapor compressor (13) and condensation
Device (10) is connected by exhaust pipe (12), and condenser (10) and high-pressure expansion valve (7) are cooling by expansion inlet tube (8) connection
Water inlet pipe (9) and cooling water outlet pipe (11) are connected on condenser (10), and high-pressure expansion valve (7) and high pressure tank (28) pass through
Outlet tube (6) connection is expanded, high pressure tank (28) and vapor compressor (13) are connected by water supply pipe (18), in water supply pipe
(18) moisturizing control valve (19) are housed on.
7. a kind of device of working medium jet type heat pump system working method of step waste heat recycling, which is characterized in that utilize claim 1
The device of working medium jet type heat pump system recycled to step waste heat described in any one of 6, including high-pressure steam generating system work
Make step；
High-pressure steam generating system work step: the high temperature waste hot water from waste heat source is flowed into high by waste heat water inlet pipe (5)
It presses evaporator (4), the high temperature saturated water in high temperature waste hot water and high pressure evaporator (4) from high-pressure circulation pump (31) exchanges heat, high
Warm spent hot water heats the high temperature saturated water in high pressure evaporator (4), and temperature reduces to form low temperature after the heat release of high temperature waste hot water
Spent hot water, low temperature waste heat water flow into low pressure evaporator (2) by waste heat connecting tube (3), the high temperature saturation in high pressure evaporator (4)
Water absorbs the heat of vaporization from high temperature waste hot water and forms high-temperature high-pressure steam, and high-temperature high-pressure steam passes through high pressure muffler
(27) high pressure tank (28) are flowed into, high-temperature high-pressure steam is separated into high-pressure steam and high temperature in high pressure tank (28)
Saturated water, the high temperature saturated water in high pressure tank (28) flow into high-pressure circulation pump (31) by cycle of higher pressure pipe (29), can be with
By the flow of the aperture regulation high temperature saturated water of high pressure control valve (30) on cycle of higher pressure pipe (29), high-pressure circulation pump (31) is logical
It crosses high-pressure intake pipe (32) and high temperature saturated water is sent into one circulation of formation in high pressure evaporator (4).
8. the device of working medium jet type heat pump system working method of step waste heat recycling according to claim 7, feature exist
In the device of working medium jet type heat pump system working method of the step waste heat recycling further include:
Low pressure steam generating system work step: the low temperature waste heat water from high pressure evaporator (4) passes through waste heat connecting tube (3)
It flows into low pressure evaporator (2), low temperature waste heat water is changed with the low temperature saturated water from low pressure recycle pump (37) in low pressure evaporator (2)
Heat, low temperature waste heat water heat the low temperature saturated water in low pressure evaporator (2), are discharged after low temperature waste heat water heat release by waste heat
(1) outflow is managed, the low temperature saturated water in low pressure evaporator (2) absorbs the heat of vaporization from low temperature waste heat water and forms low-temp low-pressure
Vapor, low-pressure vapor flow into low pressure gasholder (34) by low pressure muffler (33), and low-pressure vapor is low
It is separated into Low pressure steam and low temperature saturated water in pressure air accumulator (34), the low temperature saturated water in low pressure gasholder (34) passes through low
It presses circulation pipe (35) to flow into low pressure recycle pump (37), the aperture tune of low-pressure control valve (36) on low pressure recycle pipe (35) can be passed through
The flow of low temperature saturated water is saved, low pressure recycle pumps (37) and low temperature saturated water is sent into low pressure evaporator by low pressure water inlet pipe (38)
(2) circulation is formed in.
9. the device of working medium jet type heat pump system of step waste heat recycling according to claim 8, which is characterized in that the ladder
The device of working medium jet type heat pump system working method of grade waste heat recycling further include:
Water-vapour spray system work step: the high-pressure steam from high pressure tank (28) is flowed by high-pressure injection pipe (20)
Enter in jet pump (21), high-pressure steam passes through low-pressure injection pipe (23) for low pressure gasholder in jet pump (21) when flowing
(34) the Low pressure steam injection in enters jet pump (21), and Low pressure steam injection is total to by high-pressure steam in jet pump (21)
With moist steam is pressed in being formed, by pressing air accumulator (15) in injection escape pipe (22) inflow, middle pressure moist steam exists middle pressure moist steam
Middle pressure vapor and medium temperature saturated water are separated into middle pressure air accumulator (15), medium temperature saturated water passes back into low by liquid back pipe (17)
It presses air accumulator (34), it can be high by the flow of the aperture regulation medium temperature saturated water of liquid back pipe (17) last time hydraulic control valve (16)
The high temperature saturated water in air accumulator (28) is pressed to flow into inflated with low pressure valve (25) by expansion water inlet pipe (24), high temperature saturated water is low
Expansion decrease temperature and pressure forms low pressure moist steam in compression swelling valve (25), and low temperature moist steam flows into low pressure by expansion outlet pipe (26)
Air accumulator (34), low pressure moist steam are separated into Low pressure steam and low temperature saturated water in low pressure gasholder (34), can pass through
The aperture regulation high temperature saturated water of expansion valve flows into the flow of low pressure gasholder (34).
10. the device of working medium jet type heat pump system of step waste heat recycling according to claim 9, which is characterized in that described
The device of working medium jet type heat pump system working method of step waste heat recycling further include:
Vapor compresses heating system work step: vapor compressor (13) passes through air inlet pipe (14) for middle pressure air accumulator (15)
Compression in the compression chamber of interior middle pressure vapor sucking vapor compressor (13), presses in compression and comes from during vapor
The high temperature saturated water of high pressure tank (28) is sprayed by water supply pipe (18) absorbs pressure in the compression chamber of vapor compressor (13)
What is generated in compression process crosses thermal evaporation, can pass through the aperture regulation high temperature saturated water of moisturizing control valve (19) on water supply pipe (18)
Straying quatity, by spray into high temperature saturated water reduce vapor compressor (13) exhaust the degree of superheat, vapor compressor
(13) middle pressure water vapor pressure is shortened into high temperature and pressure heat supply vapor, high temperature and pressure heat supply vapor is flowed by exhaust pipe (12)
Condenser (10), the condensation heat release in condenser (10) of high temperature and pressure heat supply vapor form high temperature and pressure condensate liquid, and high temperature is high
The heat of pressure heat supply vapor release is used to heat the low-temperature cooling water from user terminal, high temperature and pressure condensate liquid by expand into
Liquid pipe (8) flows into high-pressure expansion valve (7), and high temperature and pressure condensate liquid expansion decrease temperature and pressure in high-pressure expansion valve (7) forms high pressure
Moist steam, high pressure moist steam flow into high pressure tank (28) by expansion outlet tube (6), and high pressure moist steam is in high pressure tank
(28) it is separated into high-pressure steam and high temperature saturated water in, the low-temperature cooling water from user terminal passes through cooling water inlet pipe (9) stream
Enter condenser (10), low-temperature cooling water is steamed in condenser (10) by the high temperature and pressure supplying hot water from vapor compressor (13)
High-temperature cooling water is formed after gas heating, high-temperature cooling water flows back into user terminal by cooling water outlet pipe (11).
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| CN201910411796.2A CN110186220B (en) | 2019-05-17 | 2019-05-17 | Water-medium jet type heat pump system with cascade waste heat recovery function and working method thereof |
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| CN114856991A (en) * | 2021-01-20 | 2022-08-05 | 浙江雪波蓝科技有限公司 | Heat pump, Rankine cycle system with heat pump and application of Rankine cycle system |
| CN114856989A (en) * | 2021-01-20 | 2022-08-05 | 浙江雪波蓝科技有限公司 | Heat pump assembly, Rankine cycle system with heat pump assembly and application of Rankine cycle system |
| CN114856742A (en) * | 2021-01-20 | 2022-08-05 | 浙江雪波蓝科技有限公司 | Rankine cycle system, waste heat recycling system with same and vehicle |
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|---|---|
| CN110186220B (en) | 2020-06-12 |
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