CN104115706A - Greenhouse with coupling air current circulation device of solar phase change thermal storage device - Google Patents
Greenhouse with coupling air current circulation device of solar phase change thermal storage device Download PDFInfo
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- CN104115706A CN104115706A CN201410351378.6A CN201410351378A CN104115706A CN 104115706 A CN104115706 A CN 104115706A CN 201410351378 A CN201410351378 A CN 201410351378A CN 104115706 A CN104115706 A CN 104115706A
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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
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a greenhouse with a coupling air current circulation device of a solar phase change thermal storage device. The greenhouse comprises a greenhouse assembly, a solar phase change thermal storage assembly, an air current circulation assembly and a preheating chamber; the solar phase change thermal storage assembly comprises a solar heat collection water tank and a vacuum heat collection pipe communicated with the solar heat collection water tank, and the phase change thermal storage device and a cold-heat exchanger are arranged in the heat collection water tank; the air current circulation assembly comprises an air inflow fan, a first air pipeline, a three-way reversing valve, a second air pipeline, an air outflow fan, a third air pipeline and an air exchange fan; a metal heat transfer pipe is arranged in the preheating chamber, the outer wall of the metal heat transfer pipe is provided with a pipe-type ceramic heater, and the air inflow fan and the air outflow fan are both installed in the greenhouse. The greenhouse has the advantages that the heat supply effect is good, the structure is simple, power consumption is little and pollution cannot be caused, can maintain a constant temperature in extreme weather and overcast and rainy weather, can guarantee the heat supply function of a system and meanwhile has an air exchange function inside.
Description
Technical field
The present invention relates to a kind of sun glasshouse booth, especially relate to a kind of constant temperature booth of solar phase change heat accumulator coupling air current circulation.
Background technology
Along with the proposition of sustainable development view, energy-saving and emission-reduction also start to arouse widespread concern, and the gross appearance of energy-saving and emission-reduction in agricultural is green house.Greenhouse industry in China's development rapidly, has become growing point and the boost motor of modern agricultural production development in recent years, is representative pattern and the developing direction of modern agriculture.Green house is implemented the main body in agricultural industry as China, has started to become the highest industry of interests in agricultural planting industry.It,, for solving the vegetables supply in dull season in winter of long-term puzzlement the northern area of China, is increased farmers' income, and saves the energy, settles employment, the environmental pollution of avoiding greenhouse heating to cause, and stable societies etc. have all been made contribution to the history of.How to build novel day-light greenhouse, build good natural environment and seem particularly important.But existing green house ubiquity heat-storing device is perfect not, there is no the air interchanger in thermostat and booth, so not in full conformity with plant self-sow and effective performance photosynthesis and respiration.
Described in comprehensive: existing sun glasshouse booth exists heat accumulation effect not ideal enough, the content of the interior oxygen of canopy at night is few, there is no ventilatory, the deficiencies such as lack of wisdom control system.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides a kind of green house that sunlight booth heat accumulation and ventilatory are provided by solar water heater system, solve sunlight booth night or the overcast and rainy heat accumulation effect that exists is not ideal enough, the content of the interior oxygen of canopy at night is few, there is no the deficiencies such as ventilatory.
Technical scheme: for achieving the above object, technical scheme of the present invention is as follows:
A green house for solar phase change heat accumulator coupling air current circulation, is characterized in that: comprise green house assembly, solar energy phase transition heat accumulation assembly, airflow circulating assembly and preheating chamber; The vacuum heat collection pipe that described solar energy phase transition heat accumulation assembly comprises solar energy heating water tank and is communicated with solar energy heating water tank, on described heat collection water tank, be provided with electronics water intaking valve, heat collection water tank water inlet pipe and water level controller, in described heat collection water tank, be provided with phase change heat accumulator and cool-heat-exchanger, phase transformation holding vessel is set in described phase change heat accumulator, described phase transformation holding vessel is sealed type cylindrical shell, and the phase-change material paraffin of solid or liquid is housed in described phase transformation holding vessel; Described airflow circulating assembly comprises supply fan, the first feed channel, three-way diverter valve, the second feed channel, the fan of giving vent to anger, the 3rd feed channel and ventilation fan, three ports of described three-way diverter valve are connected with described the first feed channel, the second feed channel and the 3rd feed channel respectively, described supply fan is connected in the first feed channel, the described fan of giving vent to anger is connected in described the second feed channel, and described ventilation fan is connected in described the 3rd feed channel; In described preheating chamber, be provided with metal heat transfer pipe, be provided with the tubular type ceramic heating working asynchronously with described ventilation fan at the outer wall of metal heat transfer pipe; Described metal heat transfer pipe and cool-heat-exchanger are arranged in the second described feed channel; Described supply fan and give vent to anger fan be installed in green house, in the wall inner top side of described green house, exhaust fan is also installed, the air inlet end mouth of described exhaust fan in booth, exhaust fan give vent to anger port outside booth; The described phase transformation radiator wall that is also provided with in green house, on described solar energy heating water tank, be connected with respectively thermal source outlet pipe and thermal source return pipe, described thermal source outlet pipe is connected with the phase transformation radiator wall one end in booth by an electronics stop valve, and described thermal source return pipe is connected with the other end of phase transformation radiator wall by a circulating pump.
Described preheating chamber is arranged on a side end of described solar energy heating water tank, and described ventilation fan is arranged on the lower end of the preheating chamber of a side end of solar energy heating water tank; Wall inner side at described green house is provided with control cabinet, is provided with temperature sensor and temperature detect switch (TDS) in control cabinet; The signal output part of described temperature sensor is connected with the signal input part of temperature detect switch (TDS); Described temperature detect switch (TDS) is connected with the signal input part of supply fan and give vent to anger fan and ventilation fan respectively.
Described phase change heat accumulator is fixedly mounted in heat collection water tank by storage heater support, described cool-heat-exchanger is fixedly mounted in heat collection water tank by support, is also provided with electric heating device, heater temperature sensor, heater temperature detect switch (TDS) and daily water consumption outlet pipe in described heat collection water tank.
In described control cabinet, be also provided with the timer of controlling three-way diverter valve duty, the signal output part of described timer is connected with the signal input part of three-way diverter valve.
Described green house assembly also comprises shutter and heat holding curtain sheet, and described room temperature booth is made up of booth steel frame column, canopy membrane bone frame and ceiling, and described heat holding curtain sheet is arranged on described ceiling.
Airflow circulating system is the whole pith heating in process, in heating process this system by supply fan from extracting air in booth, pass into the first feed channel, enter the cool-heat-exchanger in heat collection water tank, gas after heat exchange passes into the second feed channel again, finally the gas heating is exported in green house by the fan of giving vent to anger, in scavenging period, system passes into the 3rd feed channel by ventilation fan suction air from booth, flow into the heat-transfer pipe of preheating chamber after the heating of tubular type ceramic heating, enter the submersible type cool-heat-exchanger of heat collection water tank, carry out secondary heat exchange, gas after heat exchange passes into the second feed channel, the gas heating is exported in green house by the fan of giving vent to anger.
In control cabinet, be also provided with timer; The signal output part of timer is connected with the signal input part of three-way diverter valve, the duty of Timer Controlling three-way diverter valve; The signal output part of positive terminal port and the signal input part of supply fan of three-way diverter valve are connected; The signal output part of the bypass end port of three-way diverter valve is connected with the signal input part of ventilation fan; System is under nominal situation, the positive terminal two side ends mouth of Intelligent three-way reversal valve is long opening, the bypass end port of Intelligent three-way reversal valve is closed, when system works, every two hours transmission of signal is to three-way diverter valve by setting value for timer, and at this moment the positive terminal inlet end mouth of supply fan and three-way diverter valve is closed automatically, and bypass end port and ventilation fan are opened automatically, realize intelligent switching, system enters ventilation program.Press the reading that timer is set, ventilation fan operation is closed for one hour automatically, the bypass end port shutdown of three-way diverter valve simultaneously, the positive terminal inlet end mouth of three-way diverter valve is opened, open supply fan simultaneously, continue to recover circulation heating, system has completed the cycle period that once supplies warm ventilation like this, can make the temperature of booth be tending towards constant temperature; Phase-transition heat-storage and the booth air interchanger of choice for use solar energy heating water tank complete the ventilation in booth, are mainly to prevent from green house scavenging period, the cold airflow outside booth being brought in booth, thereby affect the warm constant temperature effect of confession of booth.
Be provided with phase change heat accumulator in solar energy heating water tank inside.In phase change heat accumulator, be provided with phase transformation holding vessel, in phase transformation holding vessel, phase change heat storage material be housed, phase transformation holding vessel is fixed in phase change heat accumulator in order by stainless steel positioning strip; Described phase change heat accumulator is cylinder body structure, and cylinder body both sides end plate is cellular board, and in two end plates, is uniformly distributed some mutually penetrating apertures.When intaking to heat collection water tank at electronics water intaking valve or adding water, the outer wall natural heating of the phase transformation holding vessel that stimulated the menstrual flow can be altered by aperture in water source.
In the time that electronics water intaking valve is intake to heat collection water tank, by the phase transformation holding vessel release heat in phase change heat accumulator; The accumulation of heat in the time that heat collection water tank fills hot water of described phase transformation holding vessel, releasing heat in the time that heat collection water tank adds cold water, like this in water inlet process in the time that cold water source is peripheral by phase transformation holding vessel, through the exothermic effects of phase transformation holding vessel, in the time that changing water, whole water tank keep water temperature summer at 38-40 degree, in 25 degree left and right, can improve like this operating efficiency of solar energy heating water tank winter.
System is provided with preheating chamber in a side of solar energy heating water tank, is provided with metal heat transfer pipe in preheating chamber, is provided with tubular type ceramic heating at the outer wall of metal heat transfer pipe, and metal heat transfer tube and tube formula ceramic heating becomes horizontal parallel tendency; Tubular type ceramic heating is in the heating of the periphery of metal heat transfer pipe; Under nominal situation, according to the setting of intelligence control system, the signal input part of ceramic heating is to synchronize with the signal input part of ventilation fan; The duty of ceramic heating and the setting of critical heating-up temperature can complete by the temperature sensor of green house.
Wall inner side at green house is provided with control cabinet, is provided with temperature sensor, temperature detect switch (TDS) in control cabinet; The signal output part of temperature sensor is connected with the signal input part of temperature detect switch (TDS); Temperature detect switch (TDS) is connected with the signal input part of supply fan and give vent to anger fan and ventilation fan respectively; The duty of temperature detect switch (TDS) control supply fan and the fan of giving vent to anger, the temperature in temperature sensor measurement goes out green house is during lower than a certain setting value, and intellectuality is opened supply fan and the fan of giving vent to anger, and closes supply fan and the fan of giving vent to anger higher than a certain setting value intellectuality; Described temperature detect switch (TDS) can also be adjusted supply fan and the rotating speed of the fan of giving vent to anger in time according to the temperature in green house.
Described phase transformation radiator wall is cuboid frame structure, and framework is made by warming plate; Described phase transformation radiator is rearranged by some phase transformation radiator square tubes within the walls, described phase transformation radiator is hollow-core construction, described hollow radiator inner chamber is marked with phase-change material superconducting fluid, and this hollow-core construction is in sealed vacuum state, when hot water is during by complex heat transfer pipe, the phase-change material of hollow radiator inside is activated and steam raising produces high-temperature gas, by hollow radiator surface to heat loss through radiation in booth, thereby reached the object of heating.The described lower end at phase transformation radiator is also provided with a complex heat transfer pipe, one end of described complex heat transfer pipe is connected with the flow control valve of phase transformation radiator wall one end, the other end of described complex heat transfer pipe is connected with the circulating pump of the phase transformation radiator wall other end through the inner chamber of some phase transformation radiators, circulating pump connects one end of thermal source return pipe, and the other end of thermal source return pipe connects solar energy heating water tank.
System arranges supply fan in booth and the fan of giving vent to anger has been mainly airflow circulating heating, when phase transformation at night radiator wall is in booth when heat loss through radiation, in order to prevent that the air-flow in canopy from forming cold-zone and hot-zone, system also can start the supply fan in the airflow circulating system in booth and the fan of giving vent to anger according to the temperature sensor in sunlight booth.
The present invention is based on solar phase change heat accumulator Coupled Superconducting liquid radiator wall, water consumption greatly reduces, and makes solar energy heating water tank both can provide booth heat radiation wall to use by water circulation, can meet again airflow circulating in booth and supply warm ventilation.
Beneficial effect
1, to possess heating effect good in the present invention, simple in structure, the advantages such as power consumption is little and pollution-free, especially can keep constant temperature in booth at extreme and rainy weather, and heating circulation and these two air circulation paths of ventilation cycle of design, outside the heating function of the system of guarantee, also possesses the function of ventilation in booth.
2, air exchange system of the present invention is provided with preheating device, be provided with metal heat transfer pipe in ventilation fan port inner side, be provided with tubular type ceramic heating at the outer wall of metal heat transfer pipe, tubular type ceramic heating is in the heating of the periphery of metal heat transfer pipe, in scavenging period, when cold outdoor air is inhaled into ventilation fan port, pass into after the first heat exchange of metal heat transfer pipe, pass into again the cool-heat-exchanger secondary heat exchange of heat collection water tank, then thermal current is transported in booth by the fan of giving vent to anger through the second feed channel.System just can not brought outdoor cold air in booth and affected the heating effect of booth in scavenging period like this.
3, the present invention by phase change heat accumulator be coupled air current circulation form heating system, under nominal situation, also need not consume the extra energy.System is by phase-transition heat-storage, thermal-arrest and the heat release function of solar energy heating water tank, indoor temperature control when accumulation of heat while adopting air interchanger enforcement illumination strong and illumination are weak, accumulation of heat air interchanger of the present invention compared to the prior art, have reasonable in design, cost of manufacture is low, working service is convenient, can effectively reduce that day and night temperature changes and extreme weather booth in the advantage such as constant temperature, thereby have good value for applications.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the cut-away view of solar energy heating water tank of the present invention;
Fig. 3 is the lateral plan of solar energy heating water tank of the present invention;
Fig. 4 is the front view of system phase change heat accumulator of the present invention;
Fig. 5 is the longitudinal sectional view of system phase change heat accumulator of the present invention;
Fig. 6 is the transverse sectional view of system ceramic heating of the present invention and metal heat transfer pipe;
Fig. 7 is the longitudinal sectional view of system ceramic heating of the present invention and metal heat transfer pipe.
In figure: solar energy heating water tank 1, heat collection water tank electronics water intaking valve 2, heat collection water tank water inlet pipe 3, electric heating device 4, heater temperature sensor 5, heater temperature detect switch (TDS) 6, vacuum heat collection pipe 7, daily water consumption outlet pipe 8, water level controller 9, phase change heat accumulator 10, phase transformation holding vessel 11, phase change heat accumulator support 12, supply fan 13, cool-heat-exchanger 14, the first feed channel 15, exhaust fan 16, the second feed channel 17, give vent to anger and fan 18, the 3rd feed channel 19, ventilation fan 20, metal heat transfer pipe 21, ceramic heating 22, Intelligent three-way reversal valve 23, intelligent control box 24, greenhouse temperature sensor 25, booth temperature detect switch (TDS) 26, timer 27, cool-heat-exchanger support 28, heat collection water tank support 29, preheating chamber 30, booth steel column 31, canopy membrane bone frame 32, roc top 33, shutter 34, heat holding curtain sheet 35, thermal source outlet pipe 36,
Electronics stop valve 37, flow control valve 38, phase transformation radiator wall 39, complex heat transfer pipe 40, circulating pump 41, phase transformation radiator 42, thermal source return pipe 43.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described:
As shown in Figure 1,2 and 3, a kind of constant temperature booth of solar phase change heat accumulator coupling air current circulation, comprises green house assembly, solar energy phase transition heat accumulation assembly, airflow circulating assembly; Described green house assembly comprises booth steel frame column 31, canopy membrane bone frame 32, ceiling 33, shutter 34, heat holding curtain sheet 35; Solar energy phase transition heat accumulation assembly comprises solar energy heating water tank 1 and vacuum heat collection pipe 7, and heat collection water tank 1 is communicated with vacuum heat collection pipe 7; Heat collection water tank top is provided with water inlet pipe 3, is connected with electronics water intaking valve 2 on water inlet pipe 3; Heat collection water tank 1 bottom is provided with daily water consumption outlet pipe 8; Filled with water heat collection water tank to be heated is fixedly mounted on tank bracket 29; In solar energy heating water tank 1, be provided with water level controller 9, the signal output part of water level controller 9 is connected with the signal input part of electronics water intaking valve 2; In solar energy heating water tank 1, be provided with phase change heat accumulator 10, be placed with phase transformation holding vessel 11 in phase change heat accumulator 10, phase transformation storage storage heater 10 is fixedly mounted in heat collection water tank by support 12; In heat collection water tank, be also provided with heater temperature sensor 5, heater temperature detect switch (TDS) 6 and electric heating device 4; The signal output part of heater temperature sensor 5 is connected with the signal input part of heater temperature detect switch (TDS) 6; Heater temperature detect switch (TDS) 6 is connected with the signal input part of electric heating device 4; Heater temperature sensor 5 is controlled the duty of electric heating device 4.
On solar energy heating water tank 1, be connected with respectively thermal source outlet pipe 36 and return pipe 43, thermal source outlet pipe 36 is connected with phase transformation radiator wall 39 one end in booth by electronics stop valve 37, and thermal source return pipe 43 is connected with the other end of phase transformation radiator wall 39 by circulating pump 41.
Airflow circulating assembly comprise be arranged on the submersible type cool-heat-exchanger 14 of heat collection water tank 1 inside, described submersible type cool-heat-exchanger is fixedly mounted in heat collection water tank by support 28, submersible type cool-heat-exchanger 14 is provided with two ports; A side outer end at heat collection water tank 1 is provided with preheating chamber 30, is provided with metal heat transfer pipe 21 in preheating chamber 30, at the outer wall of metal heat transfer pipe 21, tubular type ceramic heating 22 is housed; Be provided with three-way diverter valve 23 in the outer end of preheating chamber 30, the positive road port of one side of three-way diverter valve 23 is connected with one end of the metal heat transfer pipe 21 in preheating chamber 30, the other end of metal heat transfer pipe 21 is connected with one end of submersible type cool-heat-exchanger 14, the other end of cool-heat-exchanger 14 connects one end of the second feed channel 17, and second feed channel 17 other ends connect the fan 18 of giving vent to anger; The positive terminal port of opposite side of three-way diverter valve connects one end of the first feed channel 15, and the other end of the first feed channel 15 connects supply fan 13; The bypass end port of three-way diverter valve is connected with one end of the 3rd feed channel 19, and the other end of the 3rd feed channel 19 connects ventilation fan 20.
Airflow circulating system is the whole pith heating in process, in heating process this system by supply fan 13 from extracting air in booth, pass into the first feed channel 15, enter the cool-heat-exchanger 14 in heat collection water tank 1, gas after heat exchange passes into the second feed channel 17 again, finally the gas heating is exported in green house by the fan 18 of giving vent to anger, in scavenging period, system passes into the 3rd feed channel 19 by ventilation fan 20 suction air from booth, flow into the heat-transfer pipe of preheating chamber 30, after 22 heating of tubular type ceramic heating, enter the submersible type cool-heat-exchanger 14 in heat collection water tank, carry out secondary heat exchange, gas after heat exchange passes into the second feed channel 17, the gas heating is exported in green house by the fan 18 of giving vent to anger.
In heat collection water tank, be provided with heater temperature sensor 5, heater temperature detect switch (TDS) 6 and electric heating device 4; The signal output part of heater temperature sensor 5 is connected with the signal input part of heater temperature detect switch (TDS) 6; The signal output part of heater temperature detect switch (TDS) 6 is connected with the signal input part of electric heating device 4.When running into extreme or rainy weather, when solar energy cannot provide enough heat heat supply, can pass through the intelligent heat supply of electric heating device 4.
Water inlet pipe is connected on heat collection water tank by self water feeding electronic valve, in heat collection water tank inwall upper end, water level controller 9 is installed, and the signal output part of water level controller 9 is connected with the signal input part of self water feeding electronic valve.When the water yield in heat collection water tank is during below or above a certain setting value, can self water feeding or stop supplying water.
As shown in Figure 1, be also provided with timer 27 in intelligent control box 24, the signal output part of timer 27 is connected with the signal input part of three-way diverter valve 23, and timer 27 is controlled the duty of three-way diverter valve 23; The signal output part of the positive terminal port of three-way diverter valve 23 is connected with the signal input part of supply fan 13; The signal output part of the bypass end port of three-way diverter valve is connected with the signal input part of ventilation fan 20; System is under nominal situation, the positive terminal two side ends mouth of Intelligent three-way reversal valve 23 is long opening, the bypass end port of Intelligent three-way reversal valve 23 is closed, when system works, every two hours transmission of signal is to three-way diverter valve 23 by setting value for timer 27, and at this moment the positive terminal inlet end mouth of supply fan 13 and three-way diverter valve 23 is closed automatically, and bypass end port and ventilation fan 20 are opened automatically, realize intelligent switching, system enters ventilation program.The reading of setting by timer 27, ventilation fan 20 moves one hour and automatically cuts out, the bypass end port shutdown of three-way diverter valve 23 simultaneously, the positive terminal inlet end mouth of Intelligent three-way reversal valve 23 is opened, open supply fan 13 simultaneously, continue to recover circulation heating, system has completed the cycle period that once supplies warm ventilation like this, can make the temperature of booth be tending towards constant temperature; Phase-transition heat-storage and the booth air interchanger of choice for use solar energy heating water tank complete the ventilation in booth, are mainly to prevent from green house scavenging period, the cold airflow outside booth being brought in booth, thereby affect the warm constant temperature effect of confession of booth.
As shown in Figure 4 and Figure 5, be provided with phase change heat accumulator 10 in solar energy heating water tank 1 inside, in phase change heat accumulator, be provided with phase transformation holding vessel 11, in phase transformation holding vessel 11, phase change heat storage material is housed; Phase transformation holding vessel 11 is fixed in phase change heat accumulator 10 in order by stainless steel positioning strip; Phase change heat accumulator is cylinder body structure, and cylinder body both sides end plate is cellular board, and in two end plates, is uniformly distributed some mutually penetrating apertures.The outer wall that the phase transformation holding vessel that stimulated the menstrual flow can be altered by aperture in water source to heat collection water tank water inlet or while adding water at electronics water intaking valve is heated.
Phase change heat accumulator 10 is interior arranges some phase transformation holding vessels 11, and phase transformation holding vessel is sealed type cylindrical shell; The phase-change material paraffin of solid or liquid is housed in phase transformation holding vessel 11, and phase change heat accumulator 10 and phase transformation holding vessel 11 all adopt 304 stainless sheet steels to be made.In the time that electronics water intaking valve 2 is intake to heat collection water tank, by the phase transformation holding vessel release heat in phase change heat accumulator; The accumulation of heat in the time that heat collection water tank fills hot water of phase transformation holding vessel, releasing heat in the time that heat collection water tank adds cold water, like this in water inlet process in the time that cold water source is peripheral by phase transformation holding vessel, through the exothermic effects of phase transformation holding vessel, in the time that changing water, whole water tank keep water temperature summer at 38-40 degree, in 25 degree left and right, can improve like this operating efficiency of solar energy heating water tank winter.
In green house, be also provided with exhaust fan 16, exhaust fan 16 is arranged on booth wall top, and exhaust fan 16 is provided with inside and outside two ports, and inner port is in booth, plays getter action.External port, outside booth, plays scavenging action.Under system nominal situation, the open and close of exhaust fan 16 and ventilation fan 20 are synchronous.
Show sun glasshouse's booth by day according to experiment, the solar radiation heat that enters greenhouse often exceed greenhouse by various forms to extraneous dispersed heat, at this moment greenhouse is in soaking condition, and sometimes because temperature is too high, what also very important person was releases a part of heat to adapt to the needs of plant growth.Solar energy greenhouse booth is at night, and while thering is no solar radiation, greenhouse still can be to extraneous distribute heat, and at this moment greenhouse is in cooling state, in order to reduce heat radiation, therefore will add a cover in outside, greenhouse heat-insulation layer 35 night.
As shown in Figure 1,2 and 3, be provided with cool-heat-exchanger 14 in the inside of heat collection water tank; Be provided with preheating chamber 30 at heat collection water tank 1 one side ends; In preheating chamber 30, be provided with metal heat transfer pipe 21, at the outer wall of metal heat transfer pipe 21, tubular type ceramic heating 22 be installed; Be provided with three-way diverter valve 23 in the outer end of preheating chamber 30; Cool-heat-exchanger is provided with two ports; One end of cool-heat-exchanger is connected with one end of the metal heat transfer pipe of preheating chamber through heat collection water tank one side end panel, and the other end of metal heat transfer pipe 21 is connected through a side end panel of preheating chamber 30 and positive terminal one side ports of three-way diverter valve 23; The positive terminal opposite side port of three-way diverter valve connects one end of the first feed channel 15, and the other end of the first feed channel 15 connects supply fan 13 ports; The other end of cool-heat-exchanger 14 is connected with one end of the second feed channel 17 through the opposite side end plate of heat collection water tank 1, and the other end of the second feed channel 17 connects the fan 18 of giving vent to anger; The bypass end port of Intelligent three-way reversal valve 23 connects one end of the 3rd feed channel 19, and the other end of the 3rd feed channel 19 connects ventilation fan 20; Supply fan 13 and the fan 18 of giving vent to anger are installed in green house, and ventilation fan 20 ports are arranged on a side end of solar energy heating water tank.
As shown in accompanying drawing 6, Fig. 7, be provided with preheating chamber 30 in system in a side of solar energy heating water tank, in preheating chamber 30, be provided with metal heat transfer pipe 21, be provided with tubular type ceramic heating 22 at the outer wall of metal heat transfer pipe 21, and 22 one-tenth horizontal parallel tendencies of metal heat transfer pipe 21 and tubular type ceramic heating; Tubular type ceramic heating is in the heating of the periphery of metal heat transfer pipe; Under nominal situation, according to the setting of intelligence control system, the signal input part of ceramic heating 22 is to synchronize with the signal input part of ventilation fan 20; The duty of ceramic heating and the setting of critical heating-up temperature can complete by the temperature sensor of green house 25.
Also be provided with a complex heat transfer pipe 40 in the lower end of phase transformation radiator 42, one end of complex heat transfer pipe 40 is connected with the flow control valve 38 of phase transformation radiator wall 39 one end, and the other end of complex heat transfer pipe 40 is connected with the circulating pump 41 of phase transformation radiator wall 39 other ends through the inner chamber of phase transformation radiator.
Be provided with phase transformation radiator wall 39 in green house one side, phase transformation radiator wall 39 is cuboid frame structure, framework is made by steelframe and warming plate, in phase transformation radiator wall 39, rearranged by some phase transformation radiator square tubes, phase transformation radiator 42 is hollow-core construction, hollow radiator inner chamber is marked with phase-change material superconducting fluid, and this hollow-core construction is in sealed vacuum state, when hot water is during by complex heat transfer pipe 40, the phase-change material of hollow radiator 42 inside is activated and steam raising produces high-temperature gas, by hollow radiator 42 surfaces to heat loss through radiation in booth, thereby reach the object of heating.
System arranges supply fan 13 in booth and the fan 18 of giving vent to anger has been mainly airflow circulating heating, when phase transformation at night radiator wall 39 is when dispelling the heat in booth, in order to prevent that the air-flow in canopy from forming cold-zone and hot-zone, system also can start the supply fan in the airflow circulating system in booth and the fan of giving vent to anger according to the setting value of greenhouse temperature sensor 25.
In intelligent control box 24, be provided with greenhouse temperature sensor 25 and be connected with temperature detect switch (TDS) 26, the duty of booth temperature detect switch (TDS) controlled circulation pump 41 and electronics stop valve 37, the input signal of the input signal of circulating pump 41 and electronics stop valve 37 is same, can open or close circulating pump and electronics stop valve according to the variations in temperature in booth in addition.The signal output part of booth temperature detect switch (TDS) 26 is connected with the signal input part of circulating pump 41 and electronics stop valve 37.
Wall inner side at green house is provided with intelligent control box 24, is provided with temperature sensor 25 and temperature detect switch (TDS) 26 in intelligent control box 24; The signal output part of temperature sensor 25 is connected with the signal input part of temperature detect switch (TDS) 26 in booth; Temperature detect switch (TDS) 26 is connected with the signal input part of supply fan 13 and give vent to anger fan 18 and ventilation fan 20 respectively; Temperature detect switch (TDS) 26 is controlled supply fan 13 and the duty of the fan 18 of giving vent to anger, in the time that temperature sensor 25 is measured temperature in green house lower than a certain setting value, intellectuality is opened supply fan 13 and the fan 18 of giving vent to anger, and closes supply fan and the fan of giving vent to anger higher than a certain setting value intellectuality; Temperature detect switch (TDS) 26 can also be adjusted supply fan 13 and the rotating speed of the fan 18 of giving vent to anger in time according to the temperature in green house.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. a green house for solar phase change heat accumulator coupling air current circulation, is characterized in that: comprise green house assembly, solar energy phase transition heat accumulation assembly, airflow circulating assembly and preheating chamber, the vacuum heat collection pipe (7) that described solar energy phase transition heat accumulation assembly comprises solar energy heating water tank (1) and is communicated with solar energy heating water tank (1), on described heat collection water tank, be provided with electronics water intaking valve (2), heat collection water tank water inlet pipe (3) and water level controller (9), in described heat collection water tank, be provided with phase change heat accumulator (10) and cool-heat-exchanger (14), phase transformation holding vessel (11) is set in described phase change heat accumulator (10), described phase transformation holding vessel (11) is sealed type cylindrical shell, the phase-change material paraffin of solid or liquid is housed in described phase transformation holding vessel, described airflow circulating assembly comprises supply fan (13), the first feed channel (15), three-way diverter valve (23), the second feed channel (17), the fan (18) of giving vent to anger, the 3rd feed channel (19) and ventilation fan (20), three ports of described three-way diverter valve (23) respectively with described the first feed channel (15), the second feed channel (17) is connected with the 3rd feed channel (19), described supply fan is connected in the first feed channel (15), the described fan (18) of giving vent to anger is connected in described the second feed channel (17), described ventilation fan (20) is connected in described the 3rd feed channel (19), in described preheating chamber (30), be provided with metal heat transfer pipe (21), be provided with the tubular type ceramic heating (22) working asynchronously with described ventilation fan (20) at the outer wall of metal heat transfer pipe (21), described metal heat transfer pipe (21) and cool-heat-exchanger (14) are arranged in described the second feed channel (17), described supply fan (13) and the fan (18) of giving vent to anger are installed in green house, in the wall inner top side of described green house, exhaust fan (16) is also installed, the air inlet end mouth of described exhaust fan (16) is in booth, exhaust fan (16) give vent to anger port outside booth, the described phase transformation radiator wall that is also provided with in green house, on described solar energy heating water tank (1), be connected with respectively thermal source outlet pipe (36) and thermal source return pipe (43), described thermal source outlet pipe (36) is connected with phase transformation radiator wall (39) one end in booth by an electronics stop valve (37), described thermal source return pipe (43) is connected with the other end of phase transformation radiator wall (39) by a circulating pump (41).
2. the green house of a kind of solar phase change heat accumulator coupling air current circulation according to claim 1, it is characterized in that: described preheating chamber is arranged on a side end of described sun energy heat collection water tank (1), and described ventilation fan (20) is arranged on the lower end of the preheating chamber (30) of a side end of solar energy heating water tank (1); Wall inner side at described green house is provided with control cabinet (24), is provided with temperature sensor (25) and temperature detect switch (TDS) (26) in control cabinet (24); The signal output part of described temperature sensor (25) is connected with the signal input part of temperature detect switch (TDS) (26); Described temperature detect switch (TDS) (26) is connected with the signal input part of supply fan (13) and give vent to anger fan (18) and ventilation fan (20) respectively.
3. the green house of a kind of solar phase change heat accumulator coupling air current circulation according to claim 1, it is characterized in that: described phase change heat accumulator is fixedly mounted in heat collection water tank by storage heater support (12), described cool-heat-exchanger is fixedly mounted in heat collection water tank by support (28), is also provided with electric heating device (4), heater temperature sensor (5), heater temperature detect switch (TDS) (6) and daily water consumption outlet pipe (8) in described heat collection water tank.
4. the green house of a kind of solar phase change heat accumulator coupling air current circulation according to claim 2, it is characterized in that: in described control cabinet (24), be also provided with the timer (27) of controlling three-way diverter valve (23) duty, the signal output part of described timer (27) is connected with the signal input part of three-way diverter valve (23).
5. the green house of a kind of solar phase change heat accumulator coupling air current circulation according to claim 1, it is characterized in that: described green house assembly also comprises shutter and heat holding curtain sheet, described room temperature booth is made up of booth steel frame column, canopy membrane bone frame and ceiling, and described heat holding curtain sheet is arranged on described ceiling.
6. the green house of a kind of solar phase change heat accumulator coupling air current circulation according to claim 1, it is characterized in that: described phase transformation radiator wall (39) is rearranged by some phase transformation radiator square tubes, described phase transformation radiator (42) inside is hollow-core construction, described hollow radiator inner chamber is marked with phase-change material superconducting fluid, and this hollow-core construction is in sealed vacuum state, also be provided with a complex heat transfer pipe (40) in the lower end of phase transformation radiator (42), one end of described complex heat transfer pipe (40) is connected with the flow control valve (38) of phase transformation radiator wall (39) one end, the other end of described complex heat transfer pipe (40) is connected through the inner chamber of phase transformation radiator and the circulating pump (41) of the other end of phase transformation radiator wall (39).
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| CN104838924A (en) * | 2015-04-11 | 2015-08-19 | 纪维祥 | Solar energy air heat collecting and storing circulating systems of greenhouse |
| CN104871877A (en) * | 2015-06-11 | 2015-09-02 | 东南大学 | Constant-temperature heating system of solar greenhouse |
| CN105133887A (en) * | 2015-09-01 | 2015-12-09 | 徐州工业职业技术学院 | Efficient cycle comprehensive greenhouse and animal and plant mixed cultivation method |
| CN105123336A (en) * | 2015-09-01 | 2015-12-09 | 徐州工业职业技术学院 | Efficient cycle facility greenhouse and animal and plant mixed cultivation method |
| CN106718353A (en) * | 2016-11-25 | 2017-05-31 | 西安交通大学 | A kind of energy-conservation phase transformation warmhouse booth |
| CN107047141A (en) * | 2017-06-12 | 2017-08-18 | 兰州交通大学 | One kind stores heat release, dehumidifying, ventilation and antibacterial type heliogreenhouse regulator control system |
| CN107079738A (en) * | 2017-05-03 | 2017-08-22 | 重庆市永川区雪晶葡萄种植园 | Wine-growing greenhouse |
| CN108029403A (en) * | 2018-01-10 | 2018-05-15 | 河北工业大学 | Temp auto-controlled solar energy greenhouse system based on phase-change heat storage technology |
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| CN109874571A (en) * | 2019-03-31 | 2019-06-14 | 深州市中悦果蔬有限公司 | The method that honey peach mistake grows dedicated greenhouse and honey peach wrong season growth season |
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