CN210740810U - Simple ice-making air source heat pump - Google Patents
Simple ice-making air source heat pump Download PDFInfo
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- CN210740810U CN210740810U CN201921473305.9U CN201921473305U CN210740810U CN 210740810 U CN210740810 U CN 210740810U CN 201921473305 U CN201921473305 U CN 201921473305U CN 210740810 U CN210740810 U CN 210740810U
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Abstract
The utility model provides an adopt simple type system ice air source heat pump of system ice heat exchanger replacement indoor side heat exchanger, adopt the capillary to make two-way throttling arrangement, finned heat exchanger and system ice heat exchanger divide into the multiunit separately, through the three-way valve door control, each group can both independently move condensation or evaporation operating mode separately, can move the air source respectively and heat, steam defrosting, system ice cold-storage, ice-melt deicing operating mode, need not supporting cooling tower, need not supporting extra indoor side condenser, the unit simple structure, production process is simple, the preparation is easy, low cost, can effectively reduce the supporting power of unit simultaneously, utilize peak valley price difference to reduce user's charges of electricity.
Description
Technical Field
The utility model belongs to the technical field of air source heat pump technique and specifically relates to a simple type ice-making air source heat pump.
Background
At present, Chinese urbanization develops rapidly, air conditioning and heating are indispensable rigid requirements in people's life and work in modern cities, and account for about 2/3 of energy consumption of buildings and about 22% of total energy consumption; at present, the mainstream technology of China still adopts two systems of coal-fired heating and air-conditioning cooling, cooling and heating, double investment and high energy consumption of cooling and heating, coal-fired heating is an important reason for haze formation, air-conditioning load is a main reason for peak load formation of a power grid in summer, and the air-source heat pump heating and ice storage cooling are a mainstream solution for combined cooling and heating in combination with the experience of developed countries and the development trend of new energy sources in China.
The heat source of the air source heat pump is air, and the air source heat pump has the outstanding advantages that the air is inexhaustible as the heat source, and the electric energy steam is adopted for compression and heating, so that the air source heat pump is efficient, energy-saving and environment-friendly; the air source heat pump can not make ice in summer, needs expensive peak power for refrigeration, has low refrigeration efficiency and high energy consumption in high-temperature time in the day, and has large unit power matching and high investment cost.
The water-cooling water chilling unit is a high-efficiency energy-saving refrigerating device and is the first choice for cooling large buildings at present, because the refrigeration demand load of the buildings is large, the configuration of the refrigerating unit needs to meet the maximum refrigeration load in summer, the configuration power is large, and the equipment investment is large; and the heat pump cannot be used for heating because a low-temperature heat source cannot be utilized, and is completely idle in winter. Its advantages are high refrigerating efficiency; the disadvantages are that expensive peak electricity is used, the peak load of a power grid is caused, a matched cooling tower is used for heat dissipation, and an air source cannot be used for heating.
The conventional ice storage air conditioner is an energy-saving upgrading product of a water-cooling water chilling unit, and has the advantages that low-price valley electricity can be used for replacing expensive peak electricity, so that the peak load of a power grid is cut, the energy is saved, the emission is reduced, and the electricity charge is saved for users; the disadvantages are high investment cost and incapability of heating.
The patent application CN107843039A provides an energy-saving dynamic plate ice heat pump, wherein low-price valley electricity is adopted to make ice and store ice in summer to replace high-price peak electricity for cooling in daytime, and a heating heat source is adopted to make ice and heat by using unfrozen water at the temperature of more than 0 ℃ in winter; the advantages are that: 1. the phase change latent heat of water ice can be used for heating, the source of a heat source is sufficient, the water in the urban sewage can be used, 2, the heating is independent of the environmental temperature, even if the heating COP can reach about 3.3 at the environmental temperature of 50 ℃ below zero, 3, the ice is efficiently made and stored for cooling in summer, the electric charge can be greatly saved, and meanwhile, the peak clipping and valley filling are performed on a power grid; the disadvantages are as follows: 1. the water source in the urban sewage is limited to a certain extent, water source facilities need investment, 2, the amount of the by-product ice sand needs to be treated if the amount is large, and 3, the method is not suitable for heating in water-deficient areas; is suitable for use in: 1. water sources such as sewage and the like are convenient for cooling and heating in areas, and 2, the ice sand can be used as resources.
Patent application CN108413648A provides a gas-water dual-heat-source heat pump, which adopts low-price valley electricity at night to make ice and store ice in summer to replace high-price peak electricity at daytime to supply cold; the air source heating mode is operated at the environmental temperature of more than-5 ℃ in winter, the ice making and heating mode is operated at the environmental temperature of less than-5 ℃, the heat pump unit keeps high efficiency, energy saving and low water consumption, and the total water demand and the total ice treatment amount of the heat pump unit in the heating season are reduced; the advantages are that: 1. the phase change latent heat of water ice can be used for heating, the source of a heat source is sufficient, the water in the urban sewage can be used, 2, the high-environment temperature and the low-environment temperature are both high-efficiency heating, and 3, the ice is efficiently made and stored for cooling in summer, so that the electric charge can be greatly saved, and meanwhile, the peak load of a power grid is cut and the valley load is filled; the disadvantages are as follows: 1. the ice making and heating in low temperature environment still need water source, the water source facility needs investment, also is not suitable for the heating in the area of lack of water, 2. the by-product ice sand still needs the discharge treatment, the ice treatment facility needs investment. Is suitable for use in: 1. water sources such as sewage and the like are convenient for cooling and heating in areas, and 2, the ice sand can be used as resources.
Patent application CN109724290A provides an ice making air source heat pump, increase the ice making heat exchanger on air source heat pump, can form multiple return circuit, the running air source heats, the ice making heats, the heat accumulation, multiple mode such as ice making cold-storage, direct refrigeration, multiple operating mode need not supporting cooling tower, can make ice and heat all weather and need not the water source facility, need not the ice processing facility, air source heating in winter has been solved simultaneously to one set of equipment, summer peak clipping is filled out the valley energy-conserving refrigeration, the advantage: 1. heating in winter has the advantages of convenient heat source of the air source heat pump, high efficiency and energy saving, 2, in summer, ice making, storage and cooling are carried out efficiently, the electric charge can be greatly saved, and meanwhile, the peak clipping and valley filling are carried out on the power grid; the disadvantages are as follows: the refrigeration system has complex structure, more valves, more complex production process and higher cost.
The prior art needs to be improved and developed.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: the simple ice-making air source heat pump adopts an ice-making heat exchanger to replace an indoor side heat exchanger on the basis of an air source heat pump unit, a capillary tube is adopted between a fin type heat exchanger and an ice-making heat exchanger of the simple ice-making air source heat pump to serve as a bidirectional throttling device, the fin type heat exchanger and the ice-making heat exchanger are respectively divided into a plurality of groups, through control of a three-way valve, the fin type heat exchanger group and the ice-making heat exchanger group of the simple ice-making air source heat pump can be respectively and independently communicated with a compressor exhaust port or a compressor air inlet, each group can respectively and independently operate a condensation or evaporation working condition, the ice-making heat exchanger can be adopted to make ice in an ice storage mode of the simple ice-making air source heat pump, the fin type heat exchanger can be adopted as a condenser to emit condensation heat to air in a cold storage mode of the simple ice-making air source heat pump, a matched cooling tower The ice-making heat exchanger is used for condensing and heating, so that the purposes of simple ice-making air source heat pump cooling season ice-making cold storage and supply, no matched cooling tower and no matched additional indoor side heat exchanger are achieved, all-weather air source heating can be realized in the heating season, the ice-making heat exchanger can perform evaporation ice making and condensation heating, and meanwhile, a refrigerating system is simple in pipeline, less in valves, simpler in production process and low in cost.
The technical solution of the utility model is that: a simple ice-making air source heat pump comprises a compressor, a three-way valve, a finned heat exchanger, an ice-making heat exchanger, a liquid separator, a capillary tube, a pipeline, a gas-liquid buffer device and a detection control system, wherein the pipeline, the gas-liquid buffer device and the detection control system are connected in the system; an ice-making heat exchanger is adopted to replace an indoor side heat exchanger on the basis of an air source heat pump unit, a capillary tube is adopted as a bidirectional throttling device between a fin type heat exchanger and an ice-making heat exchanger of the simple ice-making air source heat pump, the fin type heat exchanger and the ice-making heat exchanger are respectively divided into a plurality of groups, and the control is realized through a three-way valve, so that a fin type heat exchanger group and an ice-making heat exchanger group of the simple ice-making air source heat pump can be respectively and independently communicated with a compressor exhaust port or a compressor air inlet, and can respectively and; the simple ice-making air source heat pump can respectively form an air source heating circulation loop, a hot gas bypass defrosting branch, an ice-making cold storage circulation loop and a hot gas bypass ice-melting and deicing branch, and the loops or the branches can be respectively or simultaneously communicated under a certain working condition. The compressor of the simple ice-making air source heat pump can adopt a variable-frequency enhanced vapor injection low-temperature heat pump compressor and a matched system thereof, and can also adopt a fixed-frequency low-temperature heat pump compressor or a normal-temperature heat pump compressor according to the working condition requirements of users; a water-cooled condenser can be added on the exhaust port pipeline of the compressor to be used as a hot water heat recoverer, and the byproduct hot water can be used for domestic hot water and the like; the ice-making heat exchanger adopts an inflation type evaporator structure, the material can adopt a stainless steel plate or an aluminum plate, a refrigerant flows in the pipe and is vertically installed, and water is sprayed from the outer surface of the plate group of the ice-making heat exchanger; the capillary tube can be replaced by a bidirectional electronic expansion valve or other combined bidirectional throttling devices.
The air source heating circulation loop comprises a compressor exhaust port, an ice making three-way valve, an ice making heat exchanger group, an ice making liquid separator, a capillary tube, an air source liquid separator, a fin heat exchanger group, an air source three-way valve and a compressor air inlet which are sequentially connected through pipelines and form the loop, wherein the fin heat exchanger group is used as an evaporator to absorb air heat, and the ice making heat exchanger group is used as a condenser to prepare hot water. The hot gas bypass defrosting branch comprises a compressor exhaust port, an air source three-way valve, a fin heat exchanger group and an air source liquid distributor which are connected in sequence through pipelines; the fin heat exchanger group is used as an evaporator to absorb air temperature difference heat, and the number of the fin heat exchanger groups can be divided into 2-4 groups. In the air source heating mode, the air source heating circulation loop operates circularly; when the finned heat exchanger is frosted seriously in the operation process and needs defrosting, the hot gas bypass defrosting branch is communicated. A common port of the air source three-way valve is communicated with the finned heat exchanger, branch ports of the air source three-way valve are respectively communicated with a compressor air inlet and a compressor air outlet, the finned heat exchanger is controlled to be communicated with the compressor air inlet in an air source heating mode through switching of the air source three-way valve, and the finned heat exchanger is controlled to be communicated with the compressor air outlet in a defrosting state; a plurality of groups of fin heat exchangers are connected in parallel, and the switching is controlled by a valve, so that the heating and defrosting of each group of fin heat exchangers are alternately carried out in an air source heating mode; when one group of fin heat exchangers is in a defrosting state, other groups of fin heat exchangers also continuously heat. When one group of fin heat exchanger group is in a defrosting state, a fan of the defrosting fin heat exchanger group is powered off and air stops flowing, an air source three-way valve of the defrosting fin heat exchanger group is communicated with an air outlet of a compressor, bypass high-pressure hot air is led out from the air outlet of the compressor, the high-pressure hot air is condensed and liquefied in the defrosting fin heat exchanger group, the condensation heat is used for defrosting, and liquid refrigerant generated in the defrosting process flows into the other group of fin heat exchangers in an air source heating mode together with refrigerant throttled by a capillary tube in an air source heating circulation loop through an air source liquid separator to be evaporated.
The ice-making cold-storage circulation loop comprises a compressor exhaust port, an air source three-way valve, a fin heat exchanger group, an air source liquid separator, a capillary tube, an ice-making liquid separator, an ice-making heat exchanger group, an ice-making three-way valve and a compressor air inlet which are sequentially connected through pipelines and form the loop; the ice-making heat exchanger group is used as an evaporator to absorb the phase change heat of water and ice; the fin heat exchanger is used as a condenser and dissipates condensation heat into the air. The hot gas bypass ice melting and deicing branch comprises a compressor exhaust port, an ice making three-way valve, an ice making heat exchanger group and an ice making liquid separator which are connected in sequence through pipelines; the ice-making heat exchanger group is used as an evaporator to absorb the phase change heat of water ice, and the number of the ice-making heat exchanger group can be 2-4. In the running process in the ice making and cold storage mode, the ice making and cold storage circulation loop runs in a circulating mode, and when the ice layer on the surface of the ice making heat exchanger reaches the set thickness and needs to be de-iced, the hot gas bypass ice melting and de-icing branch is communicated. The common port of the ice making three-way valve is communicated with the ice making heat exchanger group, the branch ports are respectively communicated with the compressor air inlet and the compressor air outlet, the ice making heat exchanger group is controlled to be communicated with the compressor air inlet in an ice making cold storage mode through switching of the ice making three-way valve, and the ice making heat exchanger group is controlled to be communicated with the compressor air outlet in an ice melting and deicing state; the ice-making heat exchangers are divided into a plurality of groups, and the switching is controlled by adopting valves, and the ice-making and ice-melting states of the ice-making heat exchangers of each group are alternately carried out; when one group of ice making heat exchangers is in the ice melting and deicing state, the other groups of ice making heat exchangers are in the continuous ice making state; when the ice-melting and deicing state is achieved, bypass high-pressure hot gas is led out from an exhaust port of a compressor, so that a small amount of ice on the surface of the ice-melting and deicing heat exchanger set is uniformly melted, ice plates automatically slide down under the action of gravity, and the ice plates are crushed into ice sand and fall into an energy storage tank; and the gaseous refrigerant is condensed and liquefied in the ice melting and deicing heat exchanger group pipe, and automatically flows into other ice making heat exchangers of the ice making and cold accumulation circulation loop to be evaporated.
In cold supply seasons, the simple ice-making air source heat pump can reduce condensation temperature in a time period when air temperature is low at night, ice is made in an ice-making and cold-storage mode by efficiently adopting valley electricity operation, condensation heat can be dissipated to the environment through the fin heat exchanger, ice produced in the ice-making and cold-storage mode of the simple ice-making air source heat pump is stored in an energy storage tank at night, and the ice can be melted in the daytime and used for energy conservation and cold supply of the ice-storage air conditioning system; in order to optimize the configuration of the simple ice-making air source heat pump, the ice-making cold storage mode of the simple ice-making air source heat pump can also run to directly perform refrigeration and cold supply working conditions, a water receiving tray is adopted below the ice-making heat exchanger, water enters the ice-making heat exchanger by 12 ℃, the temperature of the water is reduced to 7 ℃ after the water is sprayed on the ice-making heat exchanger, then the water is sent to the tail end of the air conditioner for cooling, the 12 ℃ backwater at the tail end of the air conditioner is used for cooling the.
In the heating season, the simple ice-making air source heat pump can run an air source heating mode to produce hot water for direct heating, and also can adopt a valley electricity running air source heating mode to produce higher-temperature hot water and store redundant heat in an energy storage tank to replace peak electricity time period for heating.
The technical scheme can also be applied to ice making, constant temperature and humidity systems, industrial cold and warm ice supply systems and the like.
The utility model has the advantages that: the simple ice-making air source heat pump adopts the ice-making heat exchanger to replace an indoor side heat exchanger of the air source heat pump, the ice-making heat exchanger can be used as an evaporator for making ice in the ice-making cold storage mode of the simple ice-making air source heat pump, the fin type heat exchanger can be used as a condenser for radiating condensation heat to the air, so that a matched cooling tower is not needed, the fin type heat exchanger can be used as an evaporator for absorbing temperature difference heat for heating air in the simple ice-making air source heat pump air source heating mode, the ice-making heat exchanger can be used as a condenser for preparing hot water, so that a matched indoor side condenser is not needed, the same set of ice-making heat exchanger is used for evaporation ice making and condensation heating, ice-making cold storage and supply in a cold season, the matched cooling tower is not needed, air source heating in a heating season is used for heating, an additional indoor side condenser is, The production process is simple, the manufacture is easy and the cost is low.
Drawings
FIG. 1 is a schematic view of the process flow of the present invention;
description of reference numerals: 1. the system comprises a compressor, 2, an ice making three-way valve, 3, an ice making heat exchanger group, 4, an ice making liquid separator, 5, a capillary tube, 6, an air source liquid separator, 7, a fin heat exchanger group and 8, an air source three-way valve.
Detailed Description
Example (b): referring to fig. 1, a simple ice-making air source heat pump includes a compressor 1, an ice-making three-way valve 2, an air source three-way valve 8, a fin-type heat exchanger group 7, an ice-making heat exchanger group 3, an ice-making liquid separator 4, an air source liquid separator 6, a capillary tube 5, and further includes a pipeline, an air-liquid buffer device and a detection control system connected in the system; an ice-making heat exchanger group 3 is adopted to replace an indoor side heat exchanger on the basis of an air source heat pump unit, a capillary tube 5 is adopted between a fin type heat exchanger group 7 of the simple ice-making air source heat pump and the ice-making heat exchanger group 3 to serve as a bidirectional throttling device, the fin type heat exchanger and the ice-making heat exchanger are respectively divided into a plurality of groups, and the fin type heat exchanger group 7 and the ice-making heat exchanger group 3 of the simple ice-making air source heat pump can be respectively and independently communicated with an air outlet of a compressor 1 or an air inlet of the compressor 1 through control of a three-way valve, so that; the simple ice-making air source heat pump can respectively form an air source heating circulation loop, a hot gas bypass defrosting branch, an ice-making cold storage circulation loop and a hot gas bypass ice-melting and deicing branch, and the loops or the branches can be respectively or simultaneously communicated under a certain working condition. The compressor 1 of the simple ice-making air source heat pump adopts a normal-temperature heat pump compressor; the ice-making heat exchanger group 3 adopts an inflation type evaporator, adopts stainless steel plate laser welding and then nitrogen inflation, is vertically installed, a refrigerant flows in the plate, the water distributor sprays water on the outer surfaces of two sides, and the water is sprayed from the outer surfaces of two sides of the plate.
The air source heating circulation loop comprises an air outlet of a compressor 1, an ice making three-way valve 2, an ice making heat exchanger group 3, an ice making liquid separator 4, a capillary tube 5, an air source liquid separator 6, a fin heat exchanger group 7, an air source three-way valve 8 and an air inlet of the compressor 1 which are connected in sequence through pipelines and form the loop; the hot gas bypass defrosting branch comprises an exhaust port of a compressor 1, an air source three-way valve 8, a fin heat exchanger group 7 and an air source liquid separator 6 which are sequentially connected through pipelines, the ice making heat exchanger group 3 is used as a condenser to prepare hot water, the fin heat exchanger group 7 is used as an evaporator to absorb air temperature difference heat, and the number of the fin heat exchangers is 2. In the air source heating mode, the air source heating circulation loop operates circularly; when the fin heat exchanger group 7 is frosted seriously in the operation process and needs defrosting, the hot gas bypass defrosting branch is communicated. A common port of the air source three-way valve 8 is communicated with the fin heat exchanger group 7, branch ports of the air source three-way valve 8 are respectively communicated with an air inlet of the compressor 1 and an air outlet of the compressor 1, the fin heat exchanger group 7 is controlled to be communicated with the air inlet of the compressor 1 in an air source heating mode through switching of the air source three-way valve 8, and the fin heat exchanger group 7 is controlled to be communicated with the air outlet of the compressor 1 in a defrosting state; 2 groups of fin heat exchanger groups 7 are connected in parallel, switching is controlled by a valve, and heating and defrosting of each group of fin heat exchangers are alternately performed in an air source heating mode; when one group of fin heat exchangers is in a defrosting state, other groups of fin heat exchangers also continuously heat. When one of them group of fin heat exchanger group 7 is in the defrosting state, the fan outage and the air of defrosting fin heat exchanger group 7 stop flowing, defrosting fin heat exchanger group 7's air source three-way valve 8 communicates compressor 1 gas vent, draws bypass high pressure steam from compressor 1 gas vent, and high pressure steam is in condensation liquefaction in defrosting fin heat exchanger group 7, and the heat of condensation is used for the defrosting, and the liquid refrigerant that the defrosting process produced flows into another group of fin heat exchanger that is in air source heating mode through air source knockout 6 together with the refrigerant that passes through capillary 5 throttle in the air source heating circulation circuit and evaporates.
The ice-making cold-storage circulation loop comprises an air outlet of a compressor 1, an air source three-way valve 8, a fin heat exchanger group 7, an air source liquid separator 6, a capillary tube 5, an ice-making liquid separator 4, an ice-making heat exchanger group 3, an ice-making three-way valve 2 and an air inlet of the compressor 1 which are connected in sequence through pipelines and form the loop; the ice-making heat exchanger group 3 is used as an evaporator to absorb the phase change heat of water and ice; the fin heat exchanger group 7 serves as a condenser for radiating condensation heat into the air. The hot gas bypass ice melting and deicing branch comprises an exhaust port of a compressor 1, an ice making three-way valve 2, an ice making heat exchanger group 3 and an ice making liquid separator 4 which are connected in sequence through pipelines; the ice-making heat exchanger group 3 is used as an evaporator to absorb the phase change heat of water ice, and the number of the ice-making heat exchangers is 2. In the running process under the ice making and cold storage mode, the ice making and cold storage circulation loop runs in a circulating mode, and when the ice layer on the surface of the ice making heat exchanger group 3 reaches the set thickness and needs to be de-iced, the hot gas bypass ice melting and de-icing branch is communicated. A public port of the ice making three-way valve 2 is communicated with the ice making heat exchanger group 3, branch ports of the ice making three-way valve 2 are respectively communicated with an air inlet of the compressor 1 and an air outlet of the compressor 1, the ice making heat exchanger group 3 is controlled to be communicated with the air inlet of the compressor 1 in an ice making and cold storage mode through switching of the ice making three-way valve 2, and the ice making heat exchanger group 3 is controlled to be communicated with the air outlet of the compressor 1 in; the ice-making heat exchangers are divided into 2 groups, and the switching is controlled by adopting valves, and the ice-making and ice-melting states of the ice-making heat exchangers of each group are alternately carried out; when one group of ice making heat exchangers is in the ice melting and deicing state, the other groups of ice making heat exchangers are in the continuous ice making state; when the ice-melting and deicing state is realized, the hot gas bypass ice-melting and deicing branch is communicated, and bypass high-pressure hot gas is led out from the exhaust port of the compressor 1, so that ice on the surface of the ice-melting and deicing heat exchanger group 3 is melted, the ice plates automatically slide down under the action of gravity, and the plate ice falls into the energy storage tank after falling and crushing; and the gaseous refrigerant is condensed and liquefied in the tubes of the ice-melting and deicing heat exchanger group 3 and automatically flows into other ice-making heat exchangers of the ice-making and cold-storage circulation loop through the ice-making liquid distributor 4 to be evaporated.
In cold supply seasons, the simple ice-making air source heat pump can efficiently adopt a valley electricity running ice-making cold storage mode to make ice at a time interval with low temperature at night, condensation heat can be dissipated to the environment through the fin heat exchanger group 7, ice produced in the ice-making cold storage mode of the simple ice-making air source heat pump is stored in the energy storage tank at night, and the ice can be melted in the daytime and used for energy-saving cold supply of the ice cold storage air conditioning system; in order to optimize the configuration of the simple ice-making air source heat pump, the ice-making cold storage mode of the simple ice-making air source heat pump can also run to directly refrigerate and supply cold working conditions, a water receiving tray is adopted below the ice-making heat exchanger group 3, water enters the ice-making heat exchanger group 3 at 12 ℃, the temperature of the water after being sprayed on the ice-making heat exchanger group 3 is reduced to 7 ℃ and then the water is sent to the tail end of the air conditioner for cooling, 12 ℃ of the tail end of the air conditioner is returned to be cooled by the ice-making heat exchanger group.
In the heating season, the simple ice-making air source heat pump can run an air source heating mode to produce hot water for direct heating, and also can adopt a valley electricity running air source heating mode to produce higher-temperature hot water and store redundant heat in an energy storage tank to replace peak electricity time period for heating.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention should be included within the scope of the present invention.
Claims (7)
1. A simple ice-making air source heat pump comprises a compressor, a three-way valve, a finned heat exchanger, an ice-making heat exchanger, a liquid distributor, a capillary tube, pipelines, a gas-liquid buffer device and a detection control system which are connected in the system.
2. The simple ice-making air source heat pump as claimed in claim 1, wherein the air source heating circulation loop comprises a compressor air outlet, an ice-making three-way valve, an ice-making heat exchanger set, an ice-making liquid separator, a capillary tube, an air source liquid separator, a fin heat exchanger set, an air source three-way valve and a compressor air inlet which are connected in sequence by pipelines and form the loop.
3. The simple ice-making air source heat pump as claimed in claim 1, wherein the hot gas bypass defrosting branch comprises a compressor exhaust port, an air source three-way valve, a fin heat exchanger set and an air source liquid separator which are connected in sequence by pipelines.
4. The simple ice-making air source heat pump as claimed in claim 1, wherein the ice-making cold-storage circulation loop comprises a compressor air outlet, an air source three-way valve, a fin heat exchanger set, an air source liquid separator, a capillary tube, an ice-making liquid separator, an ice-making heat exchanger set, an ice-making three-way valve and a compressor air inlet which are connected in sequence by pipelines and form the loop.
5. The simple ice-making air source heat pump as claimed in claim 1, wherein the hot gas bypass ice-melting and de-icing branch comprises a compressor exhaust port, an ice-making three-way valve, an ice-making heat exchanger group and an ice-making liquid separator which are connected in sequence by pipelines.
6. The simple ice-making air source heat pump as claimed in claim 1, wherein a capillary tube is used between the fin type heat exchanger and the ice-making heat exchanger.
7. The simple ice-making air source heat pump according to claim 1, wherein the finned heat exchanger and the ice-making heat exchanger are divided into multiple groups.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110398094A (en) * | 2019-09-05 | 2019-11-01 | 罗良宜 | A kind of simple type ice making air source heat pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110398094A (en) * | 2019-09-05 | 2019-11-01 | 罗良宜 | A kind of simple type ice making air source heat pump |
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