CN104713345A - Energy-storage solar heat pump drying equipment with double heat sources for heat supply - Google Patents

Energy-storage solar heat pump drying equipment with double heat sources for heat supply Download PDF

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Publication number
CN104713345A
CN104713345A CN201510146438.5A CN201510146438A CN104713345A CN 104713345 A CN104713345 A CN 104713345A CN 201510146438 A CN201510146438 A CN 201510146438A CN 104713345 A CN104713345 A CN 104713345A
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China
Prior art keywords
heat
air
energy
drying
electric
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CN201510146438.5A
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Chinese (zh)
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CN104713345B (en
Inventor
兰青
李绚阳
季旭
陈盈希
刘剑虹
张仁
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云南师范大学
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Publication of CN104713345B publication Critical patent/CN104713345B/en

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Abstract

The invention relates to energy storage solar heat pump drying equipment with double heat sources for heat supply, belonging to the technical field of new energies. The equipment consists of a drying case 1, fans 2, 4, 8 and 21, electric air valves 3, 9 and 23, an air heat collector 5, a heat storage case 6, a staggered aluminum housing paraffin tube bundle 7, expansion valves 10 and 20, an evaporator 11, one-way valves 12 and 13, a compressor 14, an electric auxiliary heater 15, a solar water heater 16, a buffer tank 17, a water pump 18, a water-cooled evaporator 19, a condenser 22, a temperature sensor 24, a controller 25, and the like. According to the equipment, the energy of wet air discharged by the drying case and the energy obtained by the air heat collector can be stored in the daytime, the energy serves as the heat source of a heat pump again to supply heat to the drying case at night, and the controller controls operation of each electric air valve and the electric auxiliary heater, so that energy conservation is facilitated, and the drying temperature required by the drying case can be satisfied in 24h without interruption.

Description

A kind of two heat supply solar heat pump drying equipments with energy storage
Technical field
The present invention relates to oneplant two heat supply solar heat pump drying equipments of band energy storage, belong to technical field of new energies.
Background technology
Heat pump drying can recycle the energy of air effectively, and therefore its utilization is more and more extensive.Heat pump techniques and solar energy utilization technique are organically combined, composition solar heat pump drying system, using the heat energy of solar energy conversion as the thermal source of heat pump, thus to drying box heat supply, it is more energy-conservation than air source heat pump drying equipment.But solar heat pump is when the solar energy such as cloudy day, rainy day and evening are not enough, and the heat that solar heat pump provides does not reach the energy needed for drying box design temperature, therefore add auxiliary heating system and store hot systems just very necessary.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, and a kind of two heat supply solar heat pump drying equipments with energy storage are provided, major advantage is embodied in the two heat supply of this system, and with storage hot systems, ensure drying equipment can 24 hours continual according to required temperature to drying box heat supply.
The technical solution adopted for the present invention to solve the technical problems is:
The hot water that solar water heater (6) produces first flows to buffer tank (17), water pump (18) again by the water pump of buffer tank (17) to water-cooled evaporimeter (19), the water of water-cooled evaporimeter (19) flows back to solar water heater (6) more automatically; The moisture exhausting port of drying box (1) installs an Electric air valve (3), moisture exhausting port is connected to the air inlet of (5) of air collector by pipeline, the air outlet of (5) of air collector is connected with heat storage tank (6) by pipeline again, and the air outlet of heat storage tank (6) installs an Electric air valve (19) additional tightly facing to evaporimeter (11).
Control program is: the temperature sensor (24) of drying box (1) compares by information feed back to controller (25) by temperature, and controller (25) controls Electric air valve (3), Electric air valve (19) and electric heating device (15), when solar energy abundance on daytime, refrigerant is by water-cooled evaporimeter (19), evaporimeter (11) is respectively from hot water, obtain in air heat again by condenser to drying box (1) heat supply, when the temperature in drying box (1) is higher than design temperature 2 DEG C, the air door of Electric air valve (3) becomes large, hydrofuge speed is accelerated, the humid air of discharging is sent to heat storage tank (6) by air collector (5) together with outside air, the melted paraffin wax of fork row's aluminum hull paraffin tube bank (7), until drying box (1) temperature reduces to design temperature, the air door of Electric air valve (3) diminishes, time daytime, solar energy was insufficient, when the temperature in drying box (1) does not reach design temperature, electric heating device (15) starts work, and the air door of Electric air valve (3) diminishes, evening, paraffin released energy, Electric air valve (9) is opened, refrigerant obtains energy by evaporimeter (11) from the hot blast that heat storage tank (6) is discharged, and then give drying box (1) heat supply, when the temperature in drying box (1) does not reach design temperature, electric heating device (15) starts work.
As shown in Figure of description Fig. 1:
The invention has the beneficial effects as follows: the energy having reclaimed the humid air of the eliminating of drying box cleverly, humid air and the outside air of discharging by air collector again together with heated, lead to heat storage tank again and make melted paraffin wax, evening paraffin again thermal release out, a thermal source again as heat pump provides heat to drying box.
Accompanying drawing illustrates:
Fig. 1 is structural representation sketch of the present invention.
In figure: 1-drying box, 2,4,8,21-blower fan, 3,9,23-Electric air valve, 5-air collector, 6-heat storage tank, the tube bank of 7-fork row aluminum hull paraffin, 10,20-expansion valve, 11-evaporimeter, 12,13-check valve, 14-compressor, 15-electric heating device, 16-solar water heater, 17-buffer tank, 18-water pump, 19-water-cooled evaporimeter, 22-condenser, 24-temperature sensor, 25-controller
Detailed description of the invention:
Below in conjunction with drawings and Examples, the invention will be further described.
The product that the present invention adopts market to buy, or the material that market is bought is prepared according to a conventional method, and solar water heater of the present invention and air collector can be installed according to a conventional method according to the geographical position of locality, and other assembly connects successively according to shown in Fig. 1.
The heat pump with two thermal source of the present invention, by shown in Fig. 1 by compressor (14), condenser (22), expansion valve (10), evaporimeter (11), check valve (12), check valve (13), water-cooled evaporimeter (19), expansion valve (20), be in turn connected to form a hybrid system, wherein the water inlet of water-cooled evaporimeter (19) is connected with hot-water line with buffer tank (17) by a water pump (18), buffer tank (17) is connected with solar water heater (16) delivery port, solar water heater (16) water inlet is connected with water-cooled evaporimeter (19) delivery port, the height of water-cooled evaporimeter (19) is higher than solar water heater (16), condenser (22) is connected to the air inlet of drying box (1) by pipeline and Electric air valve (23).
Energy storage part of the present invention, the moisture exhausting port of drying box (1) installs an Electric air valve (3) is then connected to air collector (5) air inlet by pipeline, air inlet installs a blower fan (4), air collector (5) is entered together with the humid air that outside air and drying box are discharged, the air outlet of air collector (5) is connected by pipeline with heat storage tank (6), bottom assembling fork row's aluminum hull paraffin tube bank (7) of heat storage tank (6), the air outlet of heat storage tank (6) installs an Electric air valve (19) additional tightly facing to evaporimeter (11).
Reality of work application shows, the present invention meets design requirement completely, within 24 hours, can uninterruptedly meet baking temperature needed for drying box.

Claims (1)

1. the two heat supply solar heat pump drying equipments with energy storage, it is characterized in that: comprise Electric air valve (3), air collector (5), blower fan (4), heat storage tank (6), fork row's paraffin tube bank (7), Electric air valve (9), evaporimeter (11), the moisture exhausting port of drying box (1) installs Electric air valve (3), moisture exhausting port is connected to the air inlet of air collector (5) by pipeline, the air inlet of air collector (5) installs blower fan (4), the air outlet of air collector (5) is connected to heat storage tank (6), heat storage tank (6) bottom assembling fork row's paraffin tube bank (7), the air outlet of heat storage tank (6) is tight to evaporimeter (11) by an Electric air valve (9).
CN201510146438.5A 2015-03-31 2015-03-31 A kind of double heat supply solar heat pump drying equipments of band energy storage CN104713345B (en)

Priority Applications (1)

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CN201510146438.5A CN104713345B (en) 2015-03-31 2015-03-31 A kind of double heat supply solar heat pump drying equipments of band energy storage

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CN201510146438.5A CN104713345B (en) 2015-03-31 2015-03-31 A kind of double heat supply solar heat pump drying equipments of band energy storage

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CN104713345B CN104713345B (en) 2016-11-30

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Publication number Priority date Publication date Assignee Title
CN104964552A (en) * 2015-07-22 2015-10-07 宋开泉 Renewable energy constant temperature drying oven
CN105157390A (en) * 2015-09-18 2015-12-16 北京昶盛源光伏科技有限公司 Solar material drying system
CN106556162A (en) * 2015-09-25 2017-04-05 哈尔滨华藻生物科技开发有限公司 A kind of solar heat collector

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CN204063799U (en) * 2014-06-16 2014-12-31 云南师范大学 A kind of solar-assisted heat pump bunker drying equipment with intelligent converter

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104964552A (en) * 2015-07-22 2015-10-07 宋开泉 Renewable energy constant temperature drying oven
CN104964552B (en) * 2015-07-22 2017-09-26 宋开泉 Regenerative resource freeze-day with constant temperature stove
CN105157390A (en) * 2015-09-18 2015-12-16 北京昶盛源光伏科技有限公司 Solar material drying system
CN106556162A (en) * 2015-09-25 2017-04-05 哈尔滨华藻生物科技开发有限公司 A kind of solar heat collector

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