CN209376399U - The recycling of farm's thermal energy and heating system - Google Patents

The recycling of farm's thermal energy and heating system Download PDF

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Publication number
CN209376399U
CN209376399U CN201920009682.0U CN201920009682U CN209376399U CN 209376399 U CN209376399 U CN 209376399U CN 201920009682 U CN201920009682 U CN 201920009682U CN 209376399 U CN209376399 U CN 209376399U
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water
water tank
insulated
air draft
insulated water
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CN201920009682.0U
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Chinese (zh)
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廖滨
夏魁荣
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Abstract

The utility model relates to a kind of recycling of farm's thermal energy and heating systems, including air draft collecting system, air inlet heating system, indoor heating system, insulated water tank and external heat source;First lower end outlet of end entrance and insulated water tank on the first of air draft collecting system and insulated water tank, forms air draft collection soft circulation circuit;Air inlet heating system is connected to the second lower inlet of the second upper end outlet of insulated water tank and insulated water tank, forms air inlet heat cycles circuit;Indoor heating system is connected to the second lower inlet of the second upper end outlet of insulated water tank and insulated water tank, heating cycle circuit in forming chamber;First lower end outlet of end entrance and insulated water tank on the first of external heat source and insulated water tank, forms external heat source circulation loop;The upper end of insulated water tank is connected with water supply pipe.The utility model reduces heat cost, improves the economic benefit of farm, reduces cultivation risk.

Description

The recycling of farm's thermal energy and heating system
Technical field
The utility model relates to a kind of recycling of farm's thermal energy and heating systems.
Background technique
Farm in different cultivation periods, different cultivation stages, in different climatic seasons, suitable temperature, Humidity is the successful key condition of cultivation, and the intensive cultivation of poultry can generate higher humidity and heavier ammonia etc. indoors, Ventilation is most important regulating measure.
The regulating measure of farm's temperature, humidity and room air mainly passes through the indoor heating equipment of farm at present It is aerated adjusting in a manner of " from outdoor air inlet simultaneously to outdoor air draft " with blower, wishes " logical from the angle of cultivation profession Wind will be got well, the temperature difference wants small ", and " ventilation will be got well " will increase intake and exhaust air rate in most cases, and " temperature difference wants small " is just It is that indoor temperature change generated in case cannot be caused excessive increasing intake and exhaust air rate while, otherwise controlling bad will result in cultivation Failure, loss are very big.For cultivating chicken house, its indoor culture temperature and temperature of outgoing air are average at 30 DEG C or so throughout the year, Humidity is big, heat enthalpy value is high, and the temperature difference changed when divulging information is no more than 3 DEG C.This certainly will increase farm for thermal energy consumption, significantly Improving aquaculture cost, especially northern area, circumstance of temperature difference is big throughout the year, day and night temperature is also big, the heat cost in winter About 1/3 winter aquaculture cost is accounted for, this brings great challenge to the farm of vast northern area, and not yet discovery solves at present The certainly special equipment of farm's such solution to the problem and suitable farm.
Utility model content
Purpose of utility model
It is suitable for recycling with the thermal energy that farm building has similar demand and air conditioning the utility model proposes a kind of System.The system can reduce indoor temperature difference amplitude of variation, reduce for thermal energy while meeting farm's ventilation parameters requirement Consumption, and then reduce cultivation risk, increase economic efficiency.
Technical solution
A kind of recycling of farm's thermal energy and heating system, it is characterised in that: including air draft collecting system, air inlet heating system System, indoor heating system, insulated water tank and external heat source;
First lower end outlet of end entrance and insulated water tank on the first of the air draft collecting system and insulated water tank, Form air draft collection soft circulation circuit;
The air inlet heating system is connected to the second lower inlet of the second upper end outlet of insulated water tank and insulated water tank, Form air inlet heat cycles circuit;
The indoor heating system is connected to the second lower inlet of the second upper end outlet of insulated water tank and insulated water tank, Heating cycle circuit in forming chamber;
First lower end outlet of end entrance and insulated water tank on the first of the external heat source and insulated water tank, forms External heat source circulation loop;
The upper end of the insulated water tank is connected with water supply pipe.
The air draft collecting system is made of air draft thermal-arrest heat pump unit and thermal energy Transmission system;
Air draft thermal-arrest heat pump unit includes air draft collection hot vaporizer, compressor, condenser and expansion valve;Air draft collection thermal evaporation The suction inlet of the outlet connect compressor of device, the refrigerant input port of the delivery outlet connection condenser of compressor, the refrigerant of condenser Delivery outlet connects the input port of expansion valve, and the input port of the delivery outlet connection air draft collection hot vaporizer of expansion valve constitutes one and follows Loop system;
Thermal energy Transmission system includes condenser, water-water jet a, insulated water tank, water segregator b and liquid circulation pump c;Condenser End entrance, guarantor on the entrance of passage for heat transfer medium outlet connection water-water jet a, the first of the outlet connection insulated water tank of water-water jet a The outlet of the entrance, water segregator b of the first lower end outlet connection water segregator b of reservoir connects liquid circulation pump c, liquid circulation pump The passage for heat transfer medium entrance of the outlet c connection condenser constitutes a circulatory system;
Two circulatory systems of air draft thermal-arrest heat pump unit and thermal energy Transmission system constitute air draft collection soft circulation circuit.
The air draft collecting system another kind scheme includes air draft thermal-arrest heat pump unit, water-water jet a, insulated water tank, Fen Shui Device b and liquid circulation pump c;The input terminal of the condenser output end connection water-water jet a of air draft thermal-arrest heat pump unit, water-water jet a's Output end connects end entrance on the first of insulated water tank, and the input terminal of the first lower end outlet connection water segregator b of insulated water tank divides The input terminal of the output end connection liquid circulation pump c of hydrophone b, the output end of liquid circulation pump c connect air draft thermal-arrest heat pump machine The input terminal of group condenser, constitutes air draft collection soft circulation circuit.
The air inlet heating system includes air inlet heater, water segregator a, insulated water tank, water-water jet b and liquid circulation pump b; The output end of the input terminal connection liquid circulation pump b of heater is entered the wind, the input terminal connection water segregator a's of liquid circulation pump b is defeated Outlet, the second upper end outlet of the input terminal connection insulated water tank of water segregator a, the second lower inlet of insulated water tank connect water-water jet The output end of the output end of b, the input terminal connection air inlet heater of water-water jet b constitutes the circulation loop of air inlet heating.
The indoor heating system includes radiator, water segregator a, insulated water tank, water-water jet b and liquid circulation pump a;It dissipates The output end of the input terminal connection liquid circulation pump a of hot device, the output end of the input terminal connection water segregator a of liquid circulation pump a, point Second upper end outlet of the input terminal connection insulated water tank of hydrophone a, the second lower inlet connection water-water jet b's of insulated water tank is defeated Outlet, the output end of the input terminal connection radiator of water-water jet b, constitutes indoor heating circulation loop.
The external heat source includes heat source, water-water jet a, insulated water tank, water segregator b and liquid circulation pump d;Heat source water outlet The input terminal of mouth connection water-water jet a, the output end of water-water jet a connect end entrance on the first of insulated water tank, insulated water tank The input port of first lower end outlet connection liquid circulation pump d, the delivery outlet connection heat source water return outlet of liquid circulation pump d constitute external Heat-source Cycles circuit, the circulation loop heat insulated water tank.
Possess multiple and different flows, the different temperature difference and the independent cycle subsystem of different temperatures in the insulated water tank, protects The subsystem of these each tool functions is formed the complete system with thermal-arrest, heat supply and heating function by reservoir;Heat preservation Water tank outer layers body is insulation construction.
The condenser replaces with heat exchanger.
The air draft collection hot vaporizer is connected with drainpipe.
The external heat source, which can heat, can also freeze, and when external heat source freezes or external heat source heating is changed by four-way When reversely switching to valve, air draft collecting system has reformed into air discharging and radiating system, and indoor heating system becomes room temperature lowering or removes Wet system, air inlet heating system also become air inlet cooling or dehumidification system.
Advantage and effect
1, heat cost is reduced, the economic benefit of farm is improved.
2, by heating that farm is entered the wind, reduce room ventilation when difference variation, reduce cultivation risk.
3, it uses and multiple insulated water tanks and its said system can connect with a heat source, realize that more massive system is answered With.
4, it is connect by insulated water tank with external heat source and the switching of base-load heat source and the heat pump unit method of operation is provided, Make that its more flexible application, environment of application and territorial scope are wider, have extremely strong function expansibility and the expansion of great system Malleability.
5, it is the upgrading of cultivation industry technology, realizes that the automation of cultivation industry and intelligence provide necessary skill Art condition.
Detailed description of the invention
The recycling of Fig. 1 farm thermal energy and 1 schematic diagram of heating system embodiment;
The recycling of Fig. 2 farm thermal energy and 2 schematic diagram of heating system embodiment.
Description of symbols:
1. entering the wind heater, 2. radiators, 3. insulated water tanks, 4. water supply pipes, 5. liquid circulation pump a, 6. liquid circulation pumps B, 7. liquid circulation pump c, 8. liquid circulation pump d, 9. water segregator a, 10. water segregator b, 11. water-water jet a, 12. water-water jet b, 13. Heat source water outlet, 14. heat source water return outlets, 15. air draft thermal-arrest heat pump units, 16. air draft collection hot vaporizers, 17. drainpipes, 18. Condenser, 19. compressors, 20. expansion valves.
Specific embodiment
The utility model is described further with reference to the accompanying drawing:
Embodiment 1
As shown in Figure 1, a kind of recycling of farm's thermal energy and heating system, including air draft collecting system, air inlet heating system, Indoor heating system, insulated water tank 3 and external heat source;End entrance and heat preservation on air draft collecting system and the first of insulated water tank 3 First lower end outlet of water tank 3 forms air draft collection soft circulation circuit;It enters the wind in heating system and the second of insulated water tank 3 It brings out mouth to be connected to the second lower inlet of insulated water tank 3, forms air inlet heat cycles circuit;Indoor heating system and heat preservation water Second upper end outlet of case 3 is connected to the second lower inlet of insulated water tank 3, heating cycle circuit in forming chamber;External heat source With the first of insulated water tank 3 on end entrance and insulated water tank 3 the first lower end outlet, formed external heat source circulation loop; The upper end of insulated water tank 3 is connected with water supply pipe 4.
Specifically: the air draft collecting system is made of air draft thermal-arrest heat pump unit and thermal energy Transmission system;
Air draft thermal-arrest heat pump unit includes air draft collection hot vaporizer 16, compressor 19, condenser 18 and expansion valve 20;Air draft Collect the suction inlet of the outlet connect compressor 19 of hot vaporizer 16, the refrigerant input of the delivery outlet connection condenser 18 of compressor 19 Mouthful, the input port of the refrigerant delivery outlet connection expansion valve 20 of condenser 18, the delivery outlet of expansion valve 20 connects the thermal evaporation of air draft collection The input port of device 16 constitutes a circulatory system;Air draft collection hot vaporizer 16 can be one and be also possible to the more of parallel running The heat collector unit of platform composition, compressor 19 can be one and be also possible to more parallel runnings, can also be different number The air draft thermal-arrest unit that the compressor 19 of air draft collection hot vaporizer 16 and different number collectively constitutes.Thermal energy Transmission system includes cold Condenser 18, water-water jet a 11, insulated water tank 3, water segregator b 10 and liquid circulation pump c 7;The passage for heat transfer medium of condenser 18 End entrance, insulated water tank on the entrance of outlet connection water-water jet a 11, the first of the outlet connection insulated water tank 3 of water-water jet a 11 The entrance of 3 the first lower end outlet connection water segregator b 10, outlet connection liquid circulation pump c 7, the liquid of water segregator b 10 follow The passage for heat transfer medium entrance that ring pumps the outlet c 7 connection condenser 18 constitutes a circulatory system;In the drive of liquid circulation pump c 7 Under dynamic, the cold water of 3 lower end cold water layer of insulated water tank is heated through condenser 18 by air draft thermal-arrest heat pump unit, the water conveying after heating To the hot water layer of 3 upper end of insulated water tank, the thermal energy that air draft thermal-arrest heat pump unit recycles is transferred to insulated water tank;Air draft thermal-arrest heat Two circulatory systems of pump assembly and thermal energy Transmission system constitute air draft collection soft circulation circuit.The air draft collection hot vaporizer 16 is also It is connected with drainpipe 17.
The air inlet heating system includes air inlet heater 1, water segregator a 9, insulated water tank 3, water-water jet b 12 and liquid Circulating pump b 6;Enter the wind the output end of the input terminal connection liquid circulation pump b 6 of heater 1, the input terminal of liquid circulation pump b 6 Connect the output end of water segregator a 9, the second upper end outlet of the input terminal connection insulated water tank 3 of water segregator a 9, insulated water tank 3 The second lower inlet connection water-water jet b 12 output end, water-water jet b 12 input terminal connection air inlet heater 1 output End constitutes the circulation loop of air inlet heating.Upper layer hot water under the driving of system liquid circulating pump b 6, in insulated water tank 3 It is heated through air inlet heater 1 and improves the temperature of culturing chamber air inlet.
The indoor heating system includes that radiator 2, water segregator a 9, insulated water tank 3, water-water jet b 12 and liquid follow Ring pumps a 5;The output end of the input terminal connection liquid circulation pump a 5 of radiator 2, the input terminal connection point of liquid circulation pump a 5 The output end of hydrophone a 9, the second upper end outlet of the input terminal connection insulated water tank 3 of water segregator a 9, the second of insulated water tank 3 Lower inlet connects the output end of water-water jet b 12, and the output end of the input terminal connection radiator 2 of water-water jet b 12 is constituted indoor Heating cycle circuit.Radiator 2 can be radiator, fan coil or ground hot coil etc., system liquid circulating pump a's 5 Under driving, the hot water in insulated water tank 3 is improved through radiator 2 cultivates indoor temperature.
The external heat source includes heat source, water-water jet a 11, insulated water tank 3, water segregator b 10 and liquid circulation pump d 8; Heat source water outlet 13 connects the input terminal of water-water jet a 11, the first upper end of the output end connection insulated water tank 3 of water-water jet a 11 Entrance, the input port of the first lower end outlet connection liquid circulation pump d 8 of insulated water tank 3, the delivery outlet of liquid circulation pump d 8 connect It connects heat source water return outlet 14 and constitutes external heat source circulation loop, which heats insulated water tank.Heat source can be heat The various heat sources such as power net, heat exchange station, electrothermal furnace, solar thermal collector, earth source heat pump, air energy thermal pump assembly or heat-storing device, Basic heat energy source is provided for this system.
Possess multiple and different flows, the different temperature difference and the independent cycle subsystem of different temperatures in the insulated water tank 3, protects The subsystem of these each tool functions is formed the complete system with thermal-arrest, heat supply and heating function by reservoir;Heat preservation Water tank can be water tank, water pot, multiple flow passages volumetric heat exchanger or electric water heater etc., can be needed to design choosing according to scene It selects.Insulated water tank outer layers body is insulation construction.External heat source by with multiple farms constituted centered on insulated water tank The recycling of air draft thermal energy and heating system, which are connected with each other combination, can satisfy the heating ventilation demand of more large-scale farming field.
Embodiment 2
Air draft collecting system described in embodiment 1 is replaced, other subsystems are same as Example 1:
As shown in Fig. 2, air draft collecting system replace with air draft thermal-arrest heat pump unit 15, water-water jet a 11, insulated water tank 3, Water segregator b 10 and liquid circulation pump c 7;The condenser output end connection water-water jet a's 11 of air draft thermal-arrest heat pump unit 15 is defeated Enter end, the output end of water-water jet a 11 connects end entrance on the first of insulated water tank 3, and the first lower end of insulated water tank exports connection The input terminal of water segregator b 10, the input terminal of the output end connection liquid circulation pump c 7 of water segregator b 10, liquid circulation pump c 7 Output end connection 15 condenser of air draft thermal-arrest heat pump unit input terminal, constitute air draft collection soft circulation circuit;Air draft thermal-arrest Heat pump unit 15 can be one can also with more parallel runnings;Under the driving of liquid circulation pump c 7, under insulated water tank 3 The cold water of cold water layer is held to become delivery to the upper end of insulated water tank 3, by air draft after the heating of air draft thermal-arrest train condenser The thermal energy of collecting system recycling is transferred to insulated water tank 3.
The working method step of above-mentioned two embodiment:
By using water pot as the water system of insulated water tank for, the three phases from be switched on to operating normally point or less:
First stage: being filled the water by system coupler of the water supply pipe into the recycling of farm's air draft thermal energy and heating system, Liquid circulation pump a 5, liquid circulation pump b 6, liquid circulation pump c 7, liquid circulation pump d 8 start, and give its institute by coupler Thermal-arrest, heat supply, heating and each subsystem of external heat source of band fill water;Second stage: heat source is started to work, and gives insulated water tank 3 And heated by insulated water tank 3 to whole system, during which liquid circulation pump a 5,8 continuous work of liquid circulation pump d, liquid follow Ring pump b 6 and liquid circulation pump c 7 stops working or works for freezing prevention tubing discontinuous, and radiator 3 makes on room temperature starts It rises and reaches temperature requirement;Phase III: when the indoor temperature of cultivation, humidity and air need ventilation parameters, liquid circulation pump b 6 and liquid circulation pump c 7 start continuous work, the simultaneously heat pump unit in air draft collecting system and the work of air inlet heating system, Indoor air is passed through the collection hot vaporizer of embodiment 1 or the thermal-arrest heat pump machine of embodiment 2 by the exhaust fan unit work of culturing chamber Group is to outdoor discharge, and air draft collecting system extracts the thermal energy in the outdoor air of discharge and is transferred to insulated water tank, in culturing chamber Exhaust fan unit is to while outdoor air draft, and under the driving of blower, outdoor cold air is inhaled into room after air inlet heater heating It is interior, supplement room air, the ventilation parameters for completing farm.
The condenser 18 of this patent replaces with heat exchanger, and the mode that refrigerant is condensed through the heat exchanger in water tank is same to should belong to this The protection scope of patent.
This patent external heat source, which can heat, can also freeze, and when external heat source freezes or external heat source heating passes through four-way When reversal valve reversely switches, air draft collecting system has reformed into air discharging and radiating system, indoor heating system become room temperature lowering or Dehumidification system, air inlet heating system also become air inlet cooling or dehumidification system.Air inlet heater and radiator are made and are specially set It is standby, mix drainage system, so that it may realize winter saving energy heat supply, cooling in summer dehumidifying, which is suitble to summer southern high-temperature high humidity Area uses.This kind of mode belongs to the scope of this patent.
This patent uses heat pump techniques, by respectively at farm's exhaust outlet and air inlet installs special thermal-arrest and heating additional Equipment extracts the low grade heat energy in farm room into outdoor air draft, while heating and improving the air inlet temperature of air inlet Air draft heat reclaiming system, air inlet heating system, indoor heating system and external heat source are constituted one by insulated water tank by degree A complete farm's air draft thermal energy recycling and heating system.The system can meet the same of farm's ventilation parameters requirement When, indoor temperature difference amplitude of variation is reduced, is reduced for thermal energy consumption, and then reduces cultivation risk, increase economic efficiency.Using heat pump skill Art passes through the thermal energy recycling to farm's air draft, realization energy-saving heating.

Claims (10)

1. a kind of recycling of farm's thermal energy and heating system, it is characterised in that: including air draft collecting system, air inlet heating system, Indoor heating system, insulated water tank (3) and external heat source;
The outlet of first lower end of end entrance and insulated water tank (3) connects on the air draft collecting system and the first of insulated water tank (3) It is logical, form air draft collection soft circulation circuit;
Second lower inlet of the second upper end outlet and insulated water tank (3) of the air inlet heating system and insulated water tank (3) connects It is logical, form air inlet heat cycles circuit;
Second lower inlet of the second upper end outlet and insulated water tank (3) of the indoor heating system and insulated water tank (3) connects It is logical, heating cycle circuit in forming chamber;
First lower end outlet of end entrance and insulated water tank (3), shape on the external heat source and the first of insulated water tank (3) At external heat source circulation loop;
The upper end of the insulated water tank (3) is connected with water supply pipe (4).
2. farm's thermal energy recycling according to claim 1 and heating system, it is characterised in that: the air draft collecting system It is made of air draft thermal-arrest heat pump unit and thermal energy Transmission system;
Air draft thermal-arrest heat pump unit includes air draft collection hot vaporizer (16), compressor (19), condenser (18) and expansion valve (20); The delivery outlet of the suction inlet of the outlet connect compressor (19) of air draft collection hot vaporizer (16), compressor (19) connects condenser (18) refrigerant input port, condenser (18) refrigerant delivery outlet connection expansion valve (20) input port, expansion valve (20) it is defeated The input port of outlet connection air draft collection hot vaporizer (16), constitutes a circulatory system;
Thermal energy Transmission system includes condenser (18), water-water jet a(11), insulated water tank (3), water segregator b(10) and liquid circulation Pump c(7);Condenser (18) passage for heat transfer medium outlet connection water-water jet a(11) entrance, water-water jet a(11) outlet connect Connect end entrance on the first of insulated water tank (3), insulated water tank (3) the first lower end outlet connection water segregator b(10) entrance, point Hydrophone b(10) outlet connect liquid circulation pump c(7), liquid circulation pump c(7) outlet connection condenser (18) heat transfer medium Flow channel entry point constitutes a circulatory system;
Two circulatory systems of air draft thermal-arrest heat pump unit and thermal energy Transmission system constitute air draft collection soft circulation circuit.
3. farm's thermal energy recycling according to claim 1 and heating system, it is characterised in that: the air draft collecting system Including air draft thermal-arrest heat pump unit (15), water-water jet a(11), insulated water tank (3), water segregator b(10) and liquid circulation pump c(7); The condenser output end of air draft thermal-arrest heat pump unit (15) connects water-water jet a(11) input terminal, water-water jet a(11) output end Connect insulated water tank (3) first on end entrance, insulated water tank the first lower end outlet connection water segregator b(10) input terminal, Water segregator b(10) output end connect liquid circulation pump c(7) input terminal, liquid circulation pump c(7) output end connect air draft The input terminal of thermal-arrest heat pump unit (15) condenser constitutes air draft collection soft circulation circuit.
4. farm's thermal energy recycling according to claim 1 and heating system, it is characterised in that: the air inlet heating system Including enter the wind heater (1), water segregator a(9), insulated water tank (3), water-water jet b(12) and liquid circulation pump b(6);Air inlet heating The input terminal of device (1) connects liquid circulation pump b(6) output end, liquid circulation pump b(6) input terminal connect water segregator a(9) Output end, water segregator a(9) input terminal connection insulated water tank (3) the second upper end outlet, insulated water tank (3) second under End entrance connect water-water jet b(12) output end, water-water jet b(12) input terminal connection air inlet heater (1) output end structure At the circulation loop of air inlet heating.
5. farm's thermal energy recycling according to claim 1 and heating system, it is characterised in that: the indoor heating system Include radiator (2), water segregator a(9), insulated water tank (3), water-water jet b(12) and liquid circulation pump a(5);Radiator (2) Input terminal connect liquid circulation pump a(5) output end, liquid circulation pump a(5) input terminal connect water segregator a(9) output End, water segregator a(9) input terminal connection insulated water tank (3) the second upper end outlet, the second lower inlet of insulated water tank (3) Connect water-water jet b(12) output end, water-water jet b(12) input terminal connection radiator (2) output end, constitute indoor heating Circulation loop.
6. farm's thermal energy according to claim 1 recycling and heating system, it is characterised in that: the external heat source includes Heat source, water-water jet a (11), insulated water tank (3), water segregator b(10) and liquid circulation pump d(8);Heat source water outlet (13) connection The output end of the input terminal of water-water jet a (11), water-water jet a (11) connects end entrance on the first of insulated water tank (3), keeps the temperature water Case (3) the first lower end outlet connection liquid circulation pump d(8) input port, liquid circulation pump d(8) delivery outlet connect heat source Water return outlet (14) constitutes external heat source circulation loop, which heats insulated water tank.
7. farm's thermal energy recycling according to claim 1 and heating system, it is characterised in that: the insulated water tank (3) In possess multiple and different flows, the different temperature difference and the independent cycle subsystem of different temperatures, insulated water tank is by these each tool functions Subsystem formed one with thermal-arrest, heat supply and heating function complete system;Insulated water tank outer layers body is heat preservation knot Structure.
8. farm's thermal energy recycling according to claim 2 and heating system, it is characterised in that: the condenser (18) is replaced It is changed to heat exchanger.
9. farm's thermal energy recycling according to claim 2 and heating system, it is characterised in that: the air draft collection thermal evaporation Device (16) is connected with drainpipe (17).
10. according to claim 1, the recycling of farm's thermal energy described in 2,3,4,5,6,7,8 or 9 and heating system, feature exist In: the external heat source, which can heat, can also freeze, and when external heat source freezes or external heat source heating passes through four-way reversing valve When reversed switching, air draft collecting system has reformed into air discharging and radiating system, and indoor heating system becomes room temperature lowering or dehumidifying system System, air inlet heating system also become air inlet cooling or dehumidification system.
CN201920009682.0U 2019-01-04 2019-01-04 The recycling of farm's thermal energy and heating system Expired - Fee Related CN209376399U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113220050A (en) * 2020-09-27 2021-08-06 苏州湖桥生物科技有限公司 Automatic temperature and humidity control device for experimental animal feeding house

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113220050A (en) * 2020-09-27 2021-08-06 苏州湖桥生物科技有限公司 Automatic temperature and humidity control device for experimental animal feeding house

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Granted publication date: 20190913

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