CN202179107U - Dense curing barn heat-supplying ventilating system with heat supplied by solar energy and air source heat pump - Google Patents

Dense curing barn heat-supplying ventilating system with heat supplied by solar energy and air source heat pump Download PDF

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Publication number
CN202179107U
CN202179107U CN 200920253764 CN200920253764U CN202179107U CN 202179107 U CN202179107 U CN 202179107U CN 200920253764 CN200920253764 CN 200920253764 CN 200920253764 U CN200920253764 U CN 200920253764U CN 202179107 U CN202179107 U CN 202179107U
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China
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hot water
heat
water
air source
air
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Expired - Fee Related
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CN 200920253764
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Chinese (zh)
Inventor
罗会龙
彭金辉
王伟
王永乔
陈晓
窦志营
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Kunming University of Science and Technology
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Kunming University of Science and Technology
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers

Abstract

The utility model relates to a dense curing barn heat-supplying ventilating system with heat supplied by solar energy and an air source heat pump; the heat-supplying ventilating system consists of a solar energy hot water subsystem, an air source heat pump hot water subsystem, an air-water heat exchanger, a frequency-conversion circulating water pump, a heat insulation hot water pipeline, a master controller, a circulating fan, an air supplying pipe, an air return pipe, a fresh air valve and a curing barn humidity-reducing air port, wherein a condenser of the air source heat pump hot water subsystem is arranged in a heat storage water tank, the air source heat pump hot water subsystem is coupled with the solar energy hot water subsystem through the heat storage water tank, and the air source heat pump hot water subsystem adopts high-temperature CO2 refrigerating fluid to make high-temperature hot water with temperature of 85-90 DEG C. In the utility model, the solar energy hot water subsystem and the air source heat pump hot water subsystem are combined to supply heat to a curing barn, so as to fully utilize clean solar energy and low-grade heat in the atmosphere; and the dense curing barn heat-supplying ventilating system has the advantages of energy saving and environment protection and can realize depletion and value adding for tobacco leaf curing.

Description

The bulk curing barn heating ventilation system of solar energy, air source heat pump heat supply
Technical field
The utility model relates to tobacco leaf modulating equipment technical field, specifically a kind of bulk curing barn heating ventilation system that utilizes solar energy heat collector and air source heat pump combined heat.
Background technology
The heating ventilation system is the core part of bulk curing barn, and it directly has influence on the interior Temperature Distribution of programming rate, barn and the tobacco flue-curing energy consumption of barn, is one of most critical factor of decision baking quality of tobacco and energy consumption.The barn heating ventilation system of energy-saving and environmental protection can effectively realize the impairment increment of tobacco flue-curing, meets the demand for development of modern agriculture with technological alternate resources.
At present, intensive baking room usually with coal-fired, fuel oil or other biomass energy as the energy, adopt the normal reheating furnace that is installed on the heat supply chamber to the barn heat supply.Because the heat energy utilization rate of barn heating furnace is generally lower, the energy consumption of tobacco flue-curing is high on the one hand; Burnings such as coal, biomass energy discharge in the tobacco flue-curing operation on the other hand dust, hydrocarbon, sulfide and polycyclic aromatic hydrocarbon etc. also bring bigger pollution to surrounding environment.Solar energy is a kind of regenerative resource of cleaning, and solar thermal collector can satisfy the requirement of smoking leaf baking to heat source temperature well efficiently.But receive climatic influences, solar energy air heat collector can not round-the-clock running.
Summary of the invention
The purpose of the utility model is efficiently to utilize clean solar and air source heat pumps energy-saving technology, and the bulk curing barn heating ventilation system of a kind of solar energy, air source heat pump heat supply is provided.Can reduce the consumption of conventional energy resource in the tobacco flue-curing operation process, the pollution of avoiding coal, biomass energy to burn and bring to surrounding environment realizes the impairment increment of tobacco flue-curing.
The purpose of the utility model realizes through following technical scheme: the thermic load according to bulk curing barn designs solar heat water subsystem and air source heat pump hot water subsystem respectively, and the condenser of air source heat pump hot water subsystem places the hot water storage tank of solar heat water subsystem.Adopt a variable frequency pump to make the air-water-to-water heat exchanger of flow of hot water warp in the hot water storage tank.Return from barn is heated after a circulating fan is sent into barn through air-water-to-water heat exchanger.
The utility model is made up of solar heat water subsystem, air source heat pump hot water subsystem, air-water-to-water heat exchanger, master controller, circulating fan, ajutage, backwind tube, frequency conversion water circulating pump, heat preservation hot water pipe, water compensating valve etc.The condenser of air source heat pump hot water subsystem places the hot water storage tank of solar heat water subsystem, and the two ends of air-water-to-water heat exchanger air side link to each other with ajutage, backwind tube respectively; Circulating fan is installed on the body of wall of bulk curing barn, and its air inlet links to each other with ajutage; The two ends of air-water-to-water heat exchanger water side link to each other with hot water storage tank through the heat preservation hot water pipe, and the frequency conversion water circulating pump is installed on the heat preservation hot water pipe, and water compensating valve is installed on the bottom of hot water storage tank.Circulating fan, refrigeration compressor, frequency conversion water circulating pump connect master controller, by the master controller centralized Control.
The solar heat water subsystem of the utility model is made up of solar thermal collector, heat collector water circulating pump, hot water storage tank, upper circular tube, following circulation pipe, differential temperature controller; The outlet of solar thermal collector links to each other with the top of hot water storage tank through upper circular tube, and circulation pipe linked to each other with the bottom of hot water storage tank under the inlet of solar thermal collector passed through.The heat collector water circulating pump is installed on down on the circulation pipe and connects differential temperature controller, and its operation is controlled separately by differential temperature controller.
Air source heat pump hot water subsystem is made up of refrigeration compressor, condenser, evaporimeter, choke valve.The outlet of refrigeration compressor links to each other with the inlet of condenser through refrigerant tubing; The outlet of condenser links to each other with the inlet of choke valve through refrigerant tubing; The outlet of choke valve links to each other with the inlet of evaporimeter through refrigerant tubing, and the outlet of evaporimeter links to each other with the inlet of refrigeration compressor through refrigerant tubing.
The condenser of air source heat pump hot water subsystem adopts coil exchanger version, places hot water storage tank.Air source heat pump hot water subsystem adopts CO2 high temperature refrigerant and high voltage bearing refrigeration compressor, to produce 85~90 ℃ high-temperature-hot-water.Air source heat pump hot water subsystem and solar heat water subsystem are through the hot water storage tank coupling, and the two hot water of producing all is stored in the hot water storage tank.
The heat collector water circulating pump is controlled separately by differential temperature controller, and the supply water temperature of hot water storage tank is set in master controller according to baking process.According to given baking process, the start and stop of master controller control refrigeration compressor, circulating fan and the flow of variable frequency pump, be connected the aperture in the hydrofuge air port of new air-valve and barn on the backwind tube, to satisfy needed humiture requirement in the barn.
The operational mode of the utility model is: when (1) was higher than the supply water temperature of setting as the hot water temperature in the hot water storage tank, by the independent heat supply of solar heat water subsystem, refrigeration compressor did not move.Circular flow is through air-water-to-water heat exchanger under the traction of variable frequency pump for the hot water of hot water storage tank, and heating is from the return air of barn.Air after the heating is sent into barn through circulating fan.(2) hot water temperature in hot water storage tank is lower than supply water temperature following of setting in limited time under the effect of master controller, refrigeration compressor brings into operation automatically, with the supply water temperature that keeps setting.(3) hot water temperature in hot water storage tank is higher than the going up in limited time of supply water temperature of setting, and under the control of master controller, refrigeration compressor is out of service automatically.
The beneficial effect of the utility model is: adopt solar water heating system and air source heat pump hot-water heating system cooperation to the barn heat supply, the low grade heat energy that makes full use of in clean solar and the atmosphere carries out tobacco flue-curing.The utility model can effectively reduce the consumption of conventional energy resource in the tobacco flue-curing operation process, and the pollution of avoiding coal, biomass energy to burn and bring to surrounding environment.This invents energy-saving and environmental protection, can realize the impairment increment of tobacco flue-curing.
Description of drawings
Fig. 1 is the structural representation of the bulk curing barn heating ventilation system of solar energy, air source heat pump heat supply.
Each label is represented successively among Fig. 1: air source heat pump hot water subsystem I; Solar heat water subsystem II; Evaporimeter 1; Choke valve 2; Refrigeration compressor 3; Condenser 4; Hot water storage tank 5; Heat collector water circulating pump 6; Differential temperature controller 7; Following circulation pipe 8; Solar thermal collector 9; Upper circular tube 10; Water compensating valve 11; Master controller 12; Frequency conversion water circulating pump 13; Air-water-to-water heat exchanger 14; New air-valve 15; Backwind tube 16; Ajutage 17; Heat preservation hot water pipe 18; Circulating fan 19; Barn hydrofuge air port 20; Bulk curing barn 21.
The specific embodiment
Further specify the utility model in conjunction with accompanying drawing and embodiment.See Fig. 1, the utility model is made up of air source heat pump hot water subsystem I, solar heat water subsystem II, master controller 12, frequency conversion water circulating pump 13, air-water-to-water heat exchanger 14, new air-valve 15, water compensating valve 11, backwind tube 16, ajutage 17, heat preservation hot water pipe 18, circulating fan 19 etc.The condenser 4 of air source heat pump hot water subsystem I places the hot water storage tank 5 of solar heat water subsystem II, and water compensating valve 11 is installed on the bottom of hot water storage tank 5.The two ends of air-water-to-water heat exchanger 14 air side link to each other with ajutage 17, backwind tube 16 respectively.Circulating fan 19 is installed on the body of wall of bulk curing barn, and its air inlet links to each other with ajutage 17, and bulk curing barn is provided with hydrofuge air port 20.The two ends of air-water-to-water heat exchanger 14 water sides link to each other with hot water storage tank 5 through heat preservation hot water pipe 18, and frequency conversion water circulating pump 13 is installed on the heat preservation hot water pipe 5.Circulating fan 19, refrigeration compressor 3, frequency conversion water circulating pump 13 connect master controller 12, by master controller 12 centralized Control.Water compensating valve is installed on the bottom of hot water storage tank.
Air source heat pump hot water subsystem I is made up of evaporimeter 1, choke valve 2, refrigeration compressor 3, condenser 4.The outlet of refrigeration compressor 3 links to each other with the inlet of condenser 4 through refrigerant tubing; The outlet of condenser 4 links to each other with the inlet of choke valve 2 through refrigerant tubing; The outlet of choke valve 2 links to each other with the inlet of evaporimeter 1 through refrigerant tubing, and the outlet of evaporimeter 1 links to each other with the inlet of refrigeration compressor 3 through refrigerant tubing.
Solar heat water subsystem II is made up of hot water storage tank 5, heat collector water circulating pump 6, differential temperature controller 7, following circulation pipe 8, solar thermal collector 9, upper circular tube 10 etc.The outlet of solar thermal collector 9 links to each other with the top of hot water storage tank 5 through upper circular tube 10, and circulation pipe 8 linked to each other with the bottom of hot water storage tank 5 under the inlet of solar thermal collector 9 passed through.Heat collector water circulating pump 6 is installed on down on the circulation pipe 8 and connects differential temperature controller, and its operation is controlled separately by differential temperature controller 7.
The condenser 4 of air source heat pump hot water subsystem I adopts coil exchanger version, places hot water storage tank 5.Solar thermal collector 9 among the solar heat water subsystem II can adopt the plate of technology maturation or vacuum tube type heat collector.Air source heat pump hot water subsystem II adopts CO2 high temperature refrigerant and high voltage bearing refrigeration compressor, is used to produce 85~90 ℃ high-temperature-hot-water.
The operational mode of the utility model is:
(1) when the hot water temperature in the hot water storage tank 5 is higher than the supply water temperature of setting, by the independent heat supply of solar heat water subsystem II, refrigeration compressor 3 does not move.Circular flow is through air-water-to-water heat exchanger 14 under the traction of frequency conversion water circulating pump 13 for the hot water of hot water storage tank 5, and heating is from the return air of barn 21.Air after the heating is sent into barn 20 through circulating fan 19.
(2) hot water temperature in hot water storage tank 5 is lower than supply water temperature following of setting in limited time under the effect of master controller 12, refrigeration compressor 3 brings into operation automatically, with the supply water temperature that keeps setting.
(3) hot water temperature in hot water storage tank 5 is higher than the going up in limited time of supply water temperature of setting, and under the control of master controller 13, refrigeration compressor 3 is out of service automatically.

Claims (5)

1. the bulk curing barn heating ventilation system of a solar energy, air source heat pump heat supply is characterized in that mainly being made up of solar heat water subsystem, air source heat pump hot water subsystem, air-water-to-water heat exchanger, master controller, circulating fan, ajutage, backwind tube, frequency conversion water circulating pump, heat preservation hot water pipe, water compensating valve; The condenser of air source heat pump hot water subsystem places the hot water storage tank of solar heat water subsystem, and the two ends of air-water-to-water heat exchanger air side link to each other with ajutage, backwind tube respectively; Circulating fan is installed on the body of wall of bulk curing barn, and its air inlet links to each other with ajutage; The two ends of air-water-to-water heat exchanger water side link to each other with hot water storage tank through the heat preservation hot water pipe, and the frequency conversion water circulating pump is installed on the heat preservation hot water pipe, and water compensating valve is installed on the bottom of hot water storage tank, and circulating fan, refrigeration compressor, frequency conversion water circulating pump connect master controller.
2. the bulk curing barn heating ventilation system of solar energy according to claim 1, air source heat pump heat supply is characterized in that: the solar heat water subsystem is made up of solar thermal collector, heat collector water circulating pump, hot water storage tank, upper circular tube, following circulation pipe, differential temperature controller; The outlet of solar thermal collector links to each other with the top of hot water storage tank through upper circular tube, and circulation pipe linked to each other with the bottom of hot water storage tank under the inlet of solar thermal collector passed through, and the heat collector water circulating pump is installed on down on the circulation pipe and connects differential temperature controller.
3. the bulk curing barn heating ventilation system of solar energy according to claim 1, air source heat pump heat supply; It is characterized in that: air source heat pump hot water subsystem is made up of refrigeration compressor, condenser, evaporimeter, choke valve; The outlet of refrigeration compressor links to each other with the inlet of condenser through refrigerant tubing; The outlet of condenser links to each other with the inlet of choke valve through refrigerant tubing, and the outlet of choke valve links to each other with the inlet of evaporimeter through refrigerant tubing, and the outlet of evaporimeter links to each other with the inlet of refrigeration compressor through refrigerant tubing; Condenser adopts coil exchanger version, places hot water storage tank.
4. the bulk curing barn heating ventilation system of solar energy according to claim 3, air source heat pump heat supply is characterized in that: air source heat pump hot water subsystem adopts CO 2High temperature refrigerant and high voltage bearing refrigeration compressor.
5. the bulk curing barn heating ventilation system of solar energy according to claim 1, air source heat pump heat supply, it is characterized in that: bulk curing barn is provided with the hydrofuge air port.
CN 200920253764 2009-11-23 2009-11-23 Dense curing barn heat-supplying ventilating system with heat supplied by solar energy and air source heat pump Expired - Fee Related CN202179107U (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103266998A (en) * 2013-04-07 2013-08-28 漳州师范学院 Circulatory heat pipe type high-rise building ground floor temperature difference ventilation and power generation system
CN103689780A (en) * 2013-12-27 2014-04-02 云南一通太阳能科技有限公司 Solar curing barn
CN104082843A (en) * 2014-03-29 2014-10-08 贵州大学 Heat grading circulation control method of air energy tobacco curing system and device thereof
CN105135504A (en) * 2015-08-08 2015-12-09 常州大学 Indoor heating and ventilation system using solar energy and heat pump
CN105831790A (en) * 2016-06-03 2016-08-10 湖南省烟草公司长沙市公司宁乡县分公司 Protector for combustion fan of bulk curing barn
CN106739169A (en) * 2016-12-29 2017-05-31 云南乾铠新材料有限公司 Vertical paper tube transports drying system
CN107421252A (en) * 2017-07-18 2017-12-01 湖北省烟草科学研究院 A kind of biological particles for bulk curing barn and heat pump united heat supply method
CN108477659A (en) * 2018-03-12 2018-09-04 湖南科技大学 The interior circulation condensed roasting room of multi-energy complementation

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103266998A (en) * 2013-04-07 2013-08-28 漳州师范学院 Circulatory heat pipe type high-rise building ground floor temperature difference ventilation and power generation system
CN103266998B (en) * 2013-04-07 2015-05-20 闽南师范大学 Circulatory heat pipe type high-rise building ground floor temperature difference ventilation and power generation system
CN103689780A (en) * 2013-12-27 2014-04-02 云南一通太阳能科技有限公司 Solar curing barn
CN103689780B (en) * 2013-12-27 2017-03-22 云南一通太阳能科技有限公司 Solar curing barn
CN104082843A (en) * 2014-03-29 2014-10-08 贵州大学 Heat grading circulation control method of air energy tobacco curing system and device thereof
CN105135504A (en) * 2015-08-08 2015-12-09 常州大学 Indoor heating and ventilation system using solar energy and heat pump
CN105831790A (en) * 2016-06-03 2016-08-10 湖南省烟草公司长沙市公司宁乡县分公司 Protector for combustion fan of bulk curing barn
CN106739169A (en) * 2016-12-29 2017-05-31 云南乾铠新材料有限公司 Vertical paper tube transports drying system
CN107421252A (en) * 2017-07-18 2017-12-01 湖北省烟草科学研究院 A kind of biological particles for bulk curing barn and heat pump united heat supply method
CN108477659A (en) * 2018-03-12 2018-09-04 湖南科技大学 The interior circulation condensed roasting room of multi-energy complementation

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120404

Termination date: 20141123

EXPY Termination of patent right or utility model