CN208671625U

CN208671625U - A kind of circulating drying system of solar heat pump for dry materials

Info

Publication number: CN208671625U
Application number: CN201821304362.XU
Authority: CN
Inventors: 杜宇昂
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-08-14
Filing date: 2018-08-14
Publication date: 2019-03-29
Anticipated expiration: 2028-08-14

Abstract

The utility model discloses a kind of circulating drying systems of the solar heat pump for dry materials, including heat pump unit, plenum chamber, solar thermal collector, intake stack, breeze fan, hothouse and the return air duct being sequentially communicated, return air duct is connected to heat pump unit, a circulating fan is equipped in pipeline between heat pump unit and plenum chamber, there is the first inclination angle between solar thermal collector and horizontal plane, there is the second inclination angle between the top and horizontal plane of hothouse, a temperature sensor is equipped in hothouse, hothouse is in communication with the outside by a cooling fan.Solar energy is constantly converted to thermal energy and is transmitted to hothouse by the utility model, evaporates the moisture of surface of material constantly, and the steam of generation is taken away in time, is substantially increased drying efficiency, is accelerated Drying Rates, generates thermal energy, energy conservation and environmental protection using solar energy.

Description

A kind of circulating drying system of solar heat pump for dry materials

Technical field

The utility model relates to drying technology fields, more particularly to a kind of solar heat pump circulation for dry materials Formula drying system.

Background technique

Along with people's environmental consciousness increasingly improve and mankind's energy demand it is growing, non-renewable energy resources with it is right The energy that environment pollutes gradually is repelled and is replaced by the mankind.Root is it was found that the energy consumption of drying process has already taken up always 12% or so of energy consumption, some countries are even as high as 35%.As industrial power China drying energy consumption than even higher, Caused by pollute it is also quite serious.

Instantly the drying mode of food and unclassified stores is mostly the drying of Boiler Steam machine, although operation is convenient, structure is simple for it It is single, adaptable, but exhaust gas in process of production is directly discharged in atmosphere, be easy to cause environmental pollution, greenhouse effect Should and the problems such as haze highlight, not only energy consumption is high, not environmentally, but also takes up a large area, the bad control of degree of drying, drying effect Difference.

Therefore this environment and operation problem in the prior art how are solved, while effectively useless using solar energy and drying Gas is allowed to realize self-loopa, is those skilled in the art's urgent problem.

Utility model content

The purpose of the utility model is to provide a kind of circulating drying systems of the solar heat pump for dry materials, with solution Certainly the above-mentioned problems of the prior art makes drying course energy conservation, the efficient, environmental protection of material.

To achieve the above object, the utility model provides following scheme:

The utility model provides a kind of circulating drying system of the solar heat pump for dry materials, including successively connects Logical heat pump unit, plenum chamber, solar thermal collector, intake stack, breeze fan, hothouse and return air duct, the return air Pipeline is connected to the heat pump unit, and a circulating fan, institute are equipped in the pipeline between the heat pump unit and the plenum chamber Stating has the first inclination angle between solar thermal collector and horizontal plane, have the between the top of the hothouse and the horizontal plane Two inclination angles, the hothouse is interior to be equipped with a temperature sensor, and the hothouse is in communication with the outside by a cooling fan.

Preferably, the hothouse includes peripheral structure and glass cover-plate, and the peripheral structure includes being sequentially connected Dong Qiang, Nan Qiang, Xi Qiang and north wall, the Dong Qiang, the Nan Qiang, the Xi Qiang and the north wall upper end with the glass It is fixedly connected on the downside of cover board, the Dong Qiang, the Nan Qiang, the Xi Qiang are connected with the lower end bottom surface Jun Yuyi of the north wall.

Preferably, the air outlet of the breeze fan is connected to the downside of the Nan Qiang, the air inlet of the return air duct It is set to the junction of the glass cover-plate Yu the north wall, the air inlet of the return air duct is equipped with filter screen, the heat dissipation Blower is set to the upside of the north wall.

Preferably, the lower half of the Dong Qiang, the lower half of the Xi Qiang, the lower half of the Nan Qiang, the north wall and The bottom surface is insulated wall, and the upper half of the upper half of the Dong Qiang, the upper half of the Xi Qiang and the Nan Qiang is glass Glass wall.

Preferably, the inside of the insulated wall is coated with heat-absorbing material.

Preferably, the insulated wall is the double-deck brick wall, is filled with thermal insulation material between double-deck brick wall.

Preferably, the angle at first inclination angle and second inclination angle is identical and consistent with location geographic latitude.

Preferably, the heat pump unit includes throttle valve and sequentially connected evaporator, compressor and condenser, the section One end of stream valve is connect with the evaporator, and the other end of the throttle valve is connect with the condenser；The evaporator It is connected to the air outlet of the return air duct, the condenser is connected to by pipeline with the plenum chamber.

Preferably, the solar thermal collector and the hothouse pass through a mounting bracket respectively and are set on ground.

Preferably, Material and article holding frame is equipped in the hothouse.

The utility model achieves following technical effect compared with the existing technology:

1, pass through heat pump unit, plenum chamber, solar energy collection for the circulating drying system of the solar heat pump of dry materials Hot device, intake stack, breeze fan, hothouse and return air duct constitute a circulatory system, are absorbed using solar thermal collector Solar energy is sent into hothouse after heating air, while sunlight is radiated at the interior of hothouse across the glass cover-plate of hothouse On metope, so that solar energy absorbs and be converted to thermal energy by the inner wall surface of hothouse, heat in hot-air and convert Thermal energy all pass to material to be dried, and solar energy is constantly converted to thermal energy and is transmitted to hothouse in whole process, makes The moisture of surface of material constantly evaporates, while the steam generated is taken away in time, substantially increases drying efficiency, accelerates drying Rate.

2, thermal energy, energy conservation and environmental protection are generated using solar energy for the circulating drying system of the solar heat pump of dry materials.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this A little attached drawings obtain other attached drawings.

Fig. 1 is structural schematic diagram of the utility model for the circulating drying system of solar heat pump of dry materials；

Wherein: 1- evaporator, 2- compressor, 3- condenser, 4- throttle valve, 5- circulating fan, 6- plenum chamber, 7- solar energy Heat collector, 8- intake stack, 9- breeze fan, 10- hothouse, 11- return air duct, 12- Nan Qiang, 13- north wall, the bottom surface 14-, 15- return air duct air inlet, 16- return air duct air outlet, 17- mounting bracket, the ground 18-, 19- cooling fan, 20- glass cover Plate.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are in the premise not made the creative labor Under every other embodiment obtained, fall within the protection scope of the utility model.

In the description of the utility model it is to be appreciated that term " on ", "lower", " left side " and " right side " instruction orientation or Positional relationship is orientation and positional relationship based on the figure, it is only for facilitate the structurally and operationally mode of description, and It is not to indicate or imply that signified part must have a particular orientation, with the operation of specific orientation, thus should not be understood as Limitations of the present invention.

The purpose of the utility model is to provide a kind of circulating drying systems of the solar heat pump for dry materials, with solution Problem certainly of the existing technology makes drying course energy conservation, the efficient, environmental protection of material.

To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have Body embodiment is described in further detail the utility model.

A kind of circulating drying system of the solar heat pump for dry materials is present embodiments provided as shown in Figure 1:, is wrapped Include the heat pump unit being sequentially communicated, plenum chamber 6, solar thermal collector 7, intake stack 8, breeze fan 9, hothouse 10 and return air Pipeline 11.Return air duct 11 is connected to heat pump unit, and a circulating fan 5 is equipped in the pipeline between heat pump unit and plenum chamber 6. There is the first inclination angle, the first inclination angle is consistent with location geographic latitude, solar energy heating between solar thermal collector 7 and horizontal plane Device 7 is connect by intake stack 8 with hothouse 10, via the processed high-temperature dry air of heat pump unit in solar thermal collector Heat exchange heating is realized in 7.There is the second inclination angle, the angle at the first inclination angle and the second inclination angle between the top and horizontal plane of hothouse 10 Spend identical and consistent with location geographic latitude, temperature is excessively high in hothouse 10 in order to prevent, sets indoor design temperature as 50 DEG C~60 DEG C, hothouse 10 is interior to be equipped with a temperature sensor, and the temperature passed through in temperature sensor real-time detection hothouse 10 becomes Change, hothouse 10 is in communication with the outside by a cooling fan 19, it is ensured that temperature is maintained at identical with setting value in hothouse 10 Under numerical value.When the temperature in hothouse 10 is more than indoor design temperature, cooling fan 19 is opened, is detected by temperature sensor When dropping to indoor design temperature to the temperature in hothouse 10, cooling fan 19 is closed.Solar thermal collector 7 and hothouse 10 It is set on ground by a mounting bracket 17 respectively.Material and article holding frame is equipped in hothouse 10.

Specifically, heat pump unit includes throttle valve 4 and sequentially connected evaporator 1, compressor 2 and condenser 3, heat pump machine Preferably using R134a as refrigerant in group.The effect of evaporator 1 is to evaporate gasification by refrigerant to absorb return air duct 11 Heat in air.The effect of condenser 3 is to release heat by refrigerant liquefaction, is passed in the air of Near Pipelines, then Heat exchange is carried out into solar thermal collector 7.The effect of throttle valve 4 is controlled in heat pump unit by changing throttling section Fluid flow.The effect of compressor 2 is to operate band piston by motor to be compressed, and low-pressure gas is promoted to high pressure gas Body.One end of throttle valve 4 is connect with evaporator 1, and the other end of throttle valve 4 is connect with condenser 3, for absorbing return air duct 11 Heat in the return air of discharge is used, and high-temperature dry air is discharged by condenser 3.Evaporator 1 and return air duct outlet air Mouth 16 is connected to, and condenser 3 is connected to by pipeline with plenum chamber 6.Water after condensing through condenser 3 passes through the draining of condenser 3 Mouth discharge.

Specifically, hothouse 10 includes peripheral structure and glass cover-plate 20, and peripheral structure includes sequentially connected east Wall, southern wall 12, Xi Qiang and north wall 13, Dong Qiang, southern wall 12, Xi Qiang and north wall 13 downside of the upper end with glass cover-plate 20 fix Connection, the connection of the lower end bottom surface Jun Yuyi 14 of Dong Qiang, southern wall 12, Xi Qiang and north wall 13.The air outlet of breeze fan 9 and southern wall 12 Downside connection, i.e., air supply mode is served back under being, so that hot wind is sent into from below in hothouse 10, makes to blow from return air duct 11 Wind vertical upflow out.Return air duct air inlet 15 is set to the junction of glass cover-plate 20 Yu north wall 13, return air duct Air inlet 15 is equipped with filter screen, and the material impurity for mixing in filtered airflow, avoiding it from being attached to 1 surface of evaporator influences to change The thermal efficiency.Cooling fan 19 is set to the upside of north wall 13.The lower half of Dong Qiang, the lower half of Xi Qiang, southern wall 12 lower half, North wall 13 and bottom surface 14 are insulated wall, and the upper half of the upper half of Dong Qiang, the upper half of Xi Qiang and southern wall 12 is glass wall, For penetrating sunlight.The inside of insulated wall is coated with heat-absorbing material, and heat-absorbing material is preferably the black paint mixed with carbon black.Every Hot wall is the double-deck brick wall, is filled with thermal insulation material between double-deck brick wall, thermal insulation material is preferably vermiculite power.

The course of work of the circulating drying system of the solar heat pump for dry materials in the present embodiment is as follows:

After solar radiation passes through the glass cover-plate 20 of hothouse, a part is projected directly in dried material, is inhaled by it Thermal energy to be received and be converted to, the moisture in material is made constantly to gasify, another part then projects on 10 inner wall of hothouse of black, Also it is absorbed and is converted to thermal energy, to the air in dry kiln 10, hot-air transfers heat to material in turn, makes Moisture in material constantly gasifies.After solar radiant energy passes through the glass cover-plate 20 of solar thermal collector 7, solar energy collection is projected On the absorber plate of hot device 7, thermal energy is absorbed and is converted to by absorber plate, to heat through the air in solar thermal collector 7.Heat Air is sent into hothouse 10 by breeze fan, is transferred heat to dried material, is further increased the temperature of material, Moisture in material is more vaporization, and steam is taken away by convection current in time then, achievees the purpose that dried material, the height of generation Warm high humidity gas is transported in the evaporator 1 of heat pump unit by return air duct 11.In heat pump unit, heat pump fluid is through compressing Become high temperature and high pressure gas after machine compression 2, is condensed into condenser 3, to the circulating baking of solar heat pump for dry materials Then air heat release in dry systems enters evaporator 1, from the solar energy for dry materials after 4 reducing pressure by regulating flow of throttle valve Air heat absorption in heat pump cycle formula drying system becomes low temperature low pressure gas, so far completes a heat pump cycle.It is being used for object Expect in the dry circulating drying system of solar heat pump, the high temperature dry air come out by condenser 3 drains into too through plenum chamber 6 In positive energy heat collector 7, heat exchange heating is carried out, and then be discharged into hothouse 10 via intake stack 8, flow out the warm and humid sky of hothouse Part sensible heat and latent heat are transmitted to heat pump fluid through evaporator 1 by gas, and temperature is down to dew point, and condensate moisture is precipitated, and water capacity is very low Low temperature dry air the high temperature dry air with stronger wettability power is become by 3 heat temperature raising of condenser, in circulated air Solar thermal collector 7 is again introduced under the action of machine 5, so far dry air completes one cycle.

The circulating drying system of the solar heat pump for dry materials in the present embodiment passes through heat pump unit, plenum chamber 6, solar thermal collector 7, intake stack 8, breeze fan 9, hothouse 10 and return air duct 11 constitute a circulatory system, utilize Solar thermal collector 7, which absorbs after solar energy heats air, to be sent into hothouse 10, while sunlight passes through the glass of hothouse 10 Glass cover board 20 is radiated in the inner wall surface of hothouse 10, so that solar energy is absorbed by the inner wall surface of hothouse 10 and is converted to heat Can, heat in hot-air and the thermal energy converted all pass to material to be dried, and solar energy in whole process Constantly being converted to thermal energy is transmitted to hothouse 10, evaporates the moisture of surface of material constantly, while the steam generated is by timely band It walks, substantially increases drying efficiency, accelerate Drying Rates；The circulating drying system benefit of solar heat pump for dry materials Thermal energy, energy conservation and environmental protection are generated with solar energy.

It applies specific case in this specification to be expounded the principles of the present invention and embodiment, the above reality The explanation for applying example is merely used to help understand the method and its core concept of the utility model；Meanwhile for the general of this field Technical staff, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.To sum up institute It states, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. a kind of circulating drying system of solar heat pump for dry materials, it is characterised in that: including the heat being sequentially communicated Pump assembly, plenum chamber, solar thermal collector, intake stack, breeze fan, hothouse and return air duct, the return air duct with The heat pump unit connection, the pipeline between the heat pump unit and the plenum chamber are interior equipped with a circulating fan, the sun There can be the first inclination angle between heat collector and horizontal plane, have second to incline between the top of the hothouse and the horizontal plane Angle, the hothouse is interior to be equipped with a temperature sensor, and the hothouse is in communication with the outside by a cooling fan.

2. the circulating drying system of the solar heat pump according to claim 1 for dry materials, it is characterised in that: institute Stating hothouse includes peripheral structure and glass cover-plate, the peripheral structure include sequentially connected Dong Qiang, Nan Qiang, Xi Qiang and North wall, the Dong Qiang, the Nan Qiang, the Xi Qiang and the north wall upper end with the downside of the glass cover-plate is fixed connects It connects, the Dong Qiang, the Nan Qiang, the Xi Qiang are connected with the lower end bottom surface Jun Yuyi of the north wall.

3. the circulating drying system of the solar heat pump according to claim 2 for dry materials, it is characterised in that: institute The air outlet for stating breeze fan is connected to the downside of the Nan Qiang, and the air inlet of the return air duct is set to the glass cover-plate It is equipped with filter screen with the air inlet of the junction of the north wall, the return air duct, the cooling fan is set to the north wall Upside.

4. the circulating drying system of the solar heat pump according to claim 2 for dry materials, it is characterised in that: institute It is heat-insulated for stating the lower half of Dong Qiang, the lower half of the Xi Qiang, the lower half of the Nan Qiang, the north wall and the bottom surface The upper half of wall, the upper half of the Dong Qiang, the upper half of the Xi Qiang and the Nan Qiang is glass wall.

5. the circulating drying system of the solar heat pump according to claim 4 for dry materials, it is characterised in that: institute The inside for stating insulated wall is coated with heat-absorbing material.

6. the circulating drying system of the solar heat pump according to claim 4 for dry materials, it is characterised in that: institute Insulated wall is stated as the double-deck brick wall, is filled with thermal insulation material between double-deck brick wall.

7. the circulating drying system of the solar heat pump according to claim 1 for dry materials, it is characterised in that: institute The angle for stating the first inclination angle and second inclination angle is identical and consistent with location geographic latitude.

8. the circulating drying system of the solar heat pump according to claim 1 for dry materials, it is characterised in that: institute Stating heat pump unit includes throttle valve and sequentially connected evaporator, compressor and condenser, one end of the throttle valve with it is described Evaporator connection, the other end of the throttle valve are connect with the condenser；The outlet air of the evaporator and the return air duct Mouth connection, the condenser are connected to by pipeline with the plenum chamber.

9. the circulating drying system of the solar heat pump according to claim 1 for dry materials, it is characterised in that: institute It states solar thermal collector and the hothouse passes through a mounting bracket respectively and is set on ground.

10. the circulating drying system of the solar heat pump according to claim 1 for dry materials, it is characterised in that: Material and article holding frame is equipped in the hothouse.