CN212692418U - Solar heat pump and microwave multi-energy complementary combined drying and sterilizing equipment - Google Patents
Solar heat pump and microwave multi-energy complementary combined drying and sterilizing equipment Download PDFInfo
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- CN212692418U CN212692418U CN202020631179.1U CN202020631179U CN212692418U CN 212692418 U CN212692418 U CN 212692418U CN 202020631179 U CN202020631179 U CN 202020631179U CN 212692418 U CN212692418 U CN 212692418U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model relates to the technical field of drying and sterilization, and discloses a solar heat pump and microwave multi-energy complementary combined drying and sterilizing device, which comprises a solar greenhouse, a solar heat collector heating system, a material conveying microwave drying and sterilizing system, a heat pump waste heat recovery enthalpy-increasing system, a dehumidifying device and a gas processing system which are connected in sequence; the solar heat collector heating system is arranged at the upper part of the material conveying microwave drying and sterilizing system and is used for heating air for carrying out convection heating on materials in the solar greenhouse; the material conveying microwave drying and sterilizing system is used for drying and sterilizing materials; the heat pump waste heat recovery enthalpy increasing system is used for recovering and utilizing exhaust waste heat to preheat dry gas entering the solar greenhouse; the exhaust port of the solar greenhouse is connected with the air inlet of the gas treatment system, and the exhaust port of the material conveying microwave drying and sterilizing system is connected with the air inlet of the gas treatment system. The combined drying and sterilizing equipment has the advantages of environmental protection, high energy utilization rate and energy conservation.
Description
Technical Field
The utility model relates to a dry sterilization technical field especially relates to a solar thermal energy pump and complementary dry sterilization equipment of uniting of microwave multipotency.
Background
The material drying and sterilizing process is a high energy consumption process, the direct evacuation of the damp and hot gas generated in the drying process causes environmental heat pollution and energy waste, and in addition, gases such as odor and the like generated in the drying process cause environmental pollution and seriously affect the physical and mental health of people. The microwave drying and sterilizing equipment in a single form has high energy consumption, the microwave generator can generate a large amount of heat during working to seriously influence the operation reliability and the service life of the microwave generator, the conventional cooling modes comprise air cooling, water cooling, oil cooling and the like, the heat is finally emptied by the cooling modes, and in addition, the damp and hot gas generated in the material drying and sterilizing process is discharged to the environment by the cooling modes such as a gas-liquid separator, a spray tower and the like. The existing system waste heat treatment technology increases equipment energy consumption, construction cost and operation cost, reduces system reliability and is easy to cause thermal pollution, energy waste and noise pollution. In addition, high wet material is direct will increase the microwave energy consumption by microwave drying, and from energy-conserving angle, high wet material need preheat to evaporate partial moisture before microwave drying sterilization and become low wet material, and preheat the evaporation to high wet material and can not use conventional energy again, otherwise increase equipment complexity and energy-conservingly again. Therefore, the solar energy and heat pump enthalpy increasing technology with mature technology becomes the first choice for preheating, evaporating and dehumidifying materials. However, solar energy utilization is easily affected by weather, day and night, seasons and the like, so that an energy supply mode complementary to a solar heat pump is formed by combining an efficient and energy-saving heat pump enthalpy increasing technology, and the stability and reliability of system operation are improved.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims at providing a solar thermal energy pump and complementary dry sterilization equipment of uniting of microwave multipotency to solve at least that current material drying and sterilizing technique exists and cause environmental pollution, energy utilization low, the energy is extravagant serious, processing cost is high, equipment is complicated, the maintenance degree of difficulty is high, one of the with high costs technical problem easily.
(II) technical scheme
In order to solve the technical problem, the utility model provides a solar heat pump and microwave multi-energy complementary combined drying and sterilizing equipment, which comprises a solar greenhouse, a solar heat collector heating system, a material conveying microwave drying and sterilizing system, a heat pump waste heat recovery enthalpy increasing system, a dehumidifying device and a gas treatment system which are connected in sequence, wherein the solar greenhouse is used for primary drying of materials; the solar heat collector heating system is arranged at the upper part of the material conveying microwave drying and sterilizing system and is used for heating air for carrying out convection heating on materials in the solar greenhouse; the material conveying microwave drying and sterilizing system is used for drying and sterilizing materials; the heat pump waste heat recovery enthalpy increasing system is used for recovering and utilizing exhaust waste heat to preheat dry gas entering the solar greenhouse; the exhaust port of the solar greenhouse is connected with the air inlet of the gas treatment system, and the exhaust port of the material conveying microwave drying and sterilizing system is connected with the air inlet of the gas treatment system.
Wherein be equipped with double glazing ceiling, conveyer, vortex fan, axial compressor draught fan, temperature and humidity sensor, dog-house and solar greenhouse in the solar greenhouse respectively and go out the hopper, the double glazing ceiling is located solar greenhouse's top, the vortex fan is located the below of double glazing ceiling just is located the top of conveyer, the axial compressor draught fan is located the side wall upper portion of the below of double glazing ceiling, temperature and humidity sensor locates respectively the upper portion of conveyer is located the entrance of axial compressor draught fan, the dog-house is located the below of axial compressor draught fan, the solar greenhouse go out the hopper be located with the relative side wall of dog-house, the solar greenhouse go out the hopper with the feeding storehouse of defeated material microwave drying and sterilization system is connected.
The heat pump waste heat recovery enthalpy increasing system comprises a heat exchange device;
the heat exchange device is a heat pipe type heat exchanger, and the heat pipe type heat exchanger comprises a heat pipe and fins arranged on the heat pipe.
Wherein the material conveying microwave drying and sterilizing system is arranged at the rear part of the solar greenhouse, the feed end of the material conveying microwave drying and sterilizing system is connected with the discharge end of the solar greenhouse, the material conveying microwave drying and sterilizing system comprises a feed hopper, a microwave drying and sterilizing conveyor, a microwave suppressor, a control box, a microwave heating cavity, a microwave generator and a solar greenhouse discharge hopper which are connected in sequence, wherein, microwave drying sterilization conveyer is surrounded by the casing, microwave generator locates the upper portion in microwave heating chamber, the material passes through microwave drying sterilization conveyer carries and process can by during the microwave heating chamber microwave drying sterilization that microwave generator sent is located again through locating the afterbody of microwave drying sterilization conveyer solar greenhouse goes out the hopper and discharges, and the material is being located by the gaseous of microwave drying sterilization in-process production can be through locating tail gas exhaust pipe on the microwave heating chamber discharges.
The heat pipe is vertically arranged and is connected with the anode of the microwave generator through the fin.
Wherein the gas treatment system comprises a dehumidification device and a gas purification system.
The solar heat collector heating system comprises a solar heat collector, a solar heat collector fan, a one-way check valve and a gas collecting pipe, wherein a gas inlet of the solar heat collector heating system is connected with a gas exhaust port of the gas purification system, and a gas outlet of the solar heat collector heating system is connected with a gas inlet of the solar greenhouse.
Wherein, gaseous clean system be used for the tail gas that microwave drying sterilization process produced with solar greenhouse's hydrofuge gas dehumidifies and purifies, gaseous clean system includes first vapour and liquid separator, second vapour and liquid separator and gaseous purifying box, first vapour and liquid separator's inlet end is connected the export of defeated material microwave drying sterilization system's tail gas blast pipe the front end of gaseous purifying box is equipped with two air inlets, and one does defeated material microwave drying sterilization system's exhaust inlet, another does solar greenhouse's hydrofuge gas import, first vapour and liquid separator's exhaust end is connected the air inlet of gaseous purifying box, solar greenhouse's hydrofuge gas gets into through the pipeline second vapour and liquid separator.
Wherein, the heat pump waste heat recovery enthalpy-increasing system is used for recycling the dehumidifying high-temperature gas of the solar greenhouse, the heat radiation of the microwave generator and the exhaust waste heat of the material conveying microwave drying and sterilizing system to preheat the drying gas entering the solar greenhouse, the heat pump waste heat recovery enthalpy-increasing system comprises a heat pump compressor, a condenser, a one-way check valve, a heat pump expansion valve and a heat exchanger, the heat exchanger is arranged in the microwave generator, the first gas-liquid separator and the second gas-liquid separator, the outlet of the heat pump compressor is connected with the refrigeration working medium inlet of the condenser, the refrigeration working medium outlet of the condenser is connected with the inlet of the heat pump expansion valve, the outlet of the heat pump expansion valve is sequentially connected with the heat exchangers respectively arranged in the microwave generator, the first gas-liquid separator and the second gas-liquid separator through pipelines, and an air inlet of the condenser is connected with an exhaust end of a draught fan of the gas purification box.
Wherein, the cold source export of condenser warp one-way check valve, flow control valve and the solar greenhouse forced draught blower is connected the air inlet of solar greenhouse, the refrigerant entry linkage of condenser the export of heat pump compressor, the refrigerant export of condenser is connected through the working medium booster pump the import of heat pump expansion valve.
(III) advantageous effects
The utility model provides a combined drying and sterilizing equipment, compared with the prior art, has following advantage:
the material to be treated is subjected to heat supply and pre-drying in the solar greenhouse by combining a solar greenhouse, a solar heat collector heating system and a heat pump waste heat recovery enthalpy increasing system, and the material conveying microwave drying and sterilizing system adopts microwaves to perform drying and sterilizing treatment on the pre-dried material, so that the moisture in the material is further evaporated, and meanwhile, microorganisms such as bacteria, viruses and the like in the material are inactivated, and the aim of drying and sterilizing is fulfilled. The material transports and dry sterilization when being carried in this defeated material microwave drying sterilization system, and the material after dry sterilization is discharged to the outside, and tail gas gets into the gas purification system among the gas processing system and discharges after deodorizing and dedusting purification after the cooling and dehumidification of the heat pipe formula heat exchanger that heat pump waste heat recovery increases the enthalpy system and is located the vapour and liquid separator in the gas processing system to accomplish the dry sterilization process of material. The tail gas exhausted by the material conveying microwave drying and sterilizing system and the gas exhausted by the solar greenhouse have higher temperature, the tail gas is utilized to recycle the energy through the heat exchanger in the heat pump waste heat recycling enthalpy increasing system, the temperature and enthalpy value of the dry gas entering the solar greenhouse are improved, and therefore the purpose of waste heat recycling enthalpy increasing is achieved. Therefore, the utility model provides a solar thermal energy pump adopts the solar greenhouse with complementary joint drying sterilization equipment of microwave multipotency, solar collector heating system, heat pump waste heat recovery increases enthalpy system and defeated material microwave drying sterilization system's multipotency complementary joint drying sterilization technology, it is high effectively to have solved current material drying sterilization energy consumption, easily cause secondary pollution, the high scheduling problem of treatment cost, can realize material drying fast, effective sterilization, reduce the energy consumption cost, solve problem and the hidden danger that conventional drying technology exists, and increase the enthalpy system through tail gas waste heat and carry out tail gas waste heat utilization and utilize solar energy resource, the whole energy consumption of equipment has effectively been reduced.
Drawings
Fig. 1 is a schematic overall structure diagram of a combined drying and sterilizing device with solar heat pump and microwave multi-energy complementation according to an embodiment of the present invention;
fig. 2 is a schematic diagram of material flow and energy flow of a combined drying and sterilizing device with solar heat pump and microwave multi-energy complementation according to an embodiment of the present invention.
Reference numerals:
1. a feeding door; 5. a conveyor; 8. a conveyor support frame; 10. a discharge hopper of the solar greenhouse; 11. a feed hopper; 14. a microwave drying and sterilizing conveyor; 16. a microwave suppressor; 17. a control box; 18. a microwave heating chamber; 20. a microwave generator; 27. a first gas-liquid separator; 33. a second gas-liquid separator; 36. a gas purification tank; 39. a reservoir; 40. a heat pump compressor; 42. a gas flow sensor; 43. temperature and pressure sensors; 44. a temperature and humidity sensor; 49. a condenser; 51. a working medium booster pump; 52. a one-way check valve; 53. a solar collector fan; 54. a solar heat collector; 55. a heat pump expansion valve; 56. a flow regulating valve; 57. a solar greenhouse blower; 60. a double-layer glass ceiling; 61. a turbulent fan.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
As shown in fig. 1 and fig. 2, the solar heat pump and microwave multi-energy complementary combined drying and sterilizing equipment is schematically shown to comprise a solar greenhouse, a solar heat collector heating system, a material conveying microwave drying and sterilizing system, a heat pump waste heat recovery enthalpy increasing system, a dehumidifying device and a gas treatment system which are connected in sequence.
In the examples of the present application, the solar greenhouse is used for primary drying of the material; the solar heat collector heating system is arranged at the upper part of the material conveying microwave drying and sterilizing system and is used for heating air for carrying out convection heating on materials in the solar greenhouse; the material conveying microwave drying and sterilizing system is used for drying and sterilizing materials; the heat pump waste heat recovery enthalpy increasing system is used for recycling exhaust waste heat to preheat dry gas entering the solar greenhouse.
The exhaust port of the solar greenhouse is connected with the air inlet of the gas treatment system, and the exhaust port of the material conveying microwave drying and sterilizing system is connected with the air inlet of the gas treatment system. Specifically, the material to be treated is subjected to heat supply and pre-drying in the solar greenhouse by combining a solar greenhouse, a solar heat collector heating system and a heat pump waste heat recovery enthalpy increasing system, and the material conveying microwave drying and sterilizing system adopts microwaves to perform drying and sterilizing treatment on the pre-dried material, so that the moisture in the material is further evaporated, and meanwhile, microorganisms such as bacteria, viruses and the like in the material are inactivated, and the aim of drying and sterilizing is fulfilled. The material transports and dry sterilization when being carried in this defeated material microwave drying sterilization system, and the material after dry sterilization is discharged to the outside, and tail gas gets into the gas purification system among the gas processing system and discharges after deodorizing and dedusting purification after the cooling and dehumidification of the heat pipe formula heat exchanger that heat pump waste heat recovery increases the enthalpy system and is located the vapour and liquid separator in the gas processing system to accomplish the dry sterilization process of material. The tail gas exhausted by the material conveying microwave drying and sterilizing system and the gas exhausted by the solar greenhouse have higher temperature, the tail gas is utilized to recycle the energy through the heat exchanger in the heat pump waste heat recycling enthalpy increasing system, the temperature and enthalpy value of the dry gas entering the solar greenhouse are improved, and therefore the purpose of waste heat recycling enthalpy increasing is achieved. Therefore, the utility model provides a solar thermal energy pump adopts the solar greenhouse with complementary joint drying sterilization equipment of microwave multipotency, solar collector heating system, heat pump waste heat recovery increases enthalpy system and defeated material microwave drying sterilization system's multipotency complementary joint drying sterilization technology, it is high effectively to have solved current material drying sterilization energy consumption, easily cause secondary pollution, the high scheduling problem of treatment cost, can realize material drying fast, effective sterilization, reduce the energy consumption cost, solve problem and the hidden danger that conventional drying technology exists, and increase the enthalpy system through tail gas waste heat and carry out tail gas waste heat utilization and utilize solar energy resource, the whole energy consumption of equipment has effectively been reduced.
As shown in fig. 1 and 2, in a preferred embodiment of the present application, a double-glazed ceiling 60 (not shown), a conveyor 5, a turbulent fan 61, an axial flow draught fan, a temperature and humidity sensor 44, a feeding door 1 and a discharge hopper 10 of the solar greenhouse are respectively arranged in the solar greenhouse, the double-layer glass ceiling 60 is positioned at the top of the solar greenhouse, the turbulent fan 61 is positioned below the double-layer glass ceiling 60 and above the conveyor 5, the axial flow induced draft fan is positioned at the upper part of the side wall below the double-layer glass ceiling 60, the temperature and humidity sensors 44 are respectively arranged at the upper part of the conveyor 5 and at the inlet of the axial flow induced draft fan, the feeding door 1 is arranged below the axial flow draught fan, the discharge hopper 10 of the solar greenhouse is arranged on the side wall opposite to the feeding door 1, the discharge hopper 10 of the solar greenhouse is connected with the feeding bin of the material conveying microwave drying and sterilizing system.
It should be noted that the turbulent fan 61 has the effect of making the airflow distribution of the solar greenhouse more uniform.
This solar greenhouse is used for carrying out the primary drying to the material, and conveyer 5 is used for the material to carry, and vortex fan 61 is used for carrying out the vortex to the air current in the solar greenhouse, and conveyer 5 is located inside the solar greenhouse and is supported by conveyer support frame 8.
In the embodiment of the application, the solar greenhouse, the solar thermal collector heating system, the heat pump waste heat recovery enthalpy increasing system and the material conveying microwave drying and sterilizing system can be subjected to multi-energy complementary combined drying and sterilizing, and the solar thermal collector heating system and the heat pump waste heat recovery enthalpy increasing system are sequentially connected in series with the solar greenhouse and the material conveying microwave drying and sterilizing system in a series-parallel mixed connection mode.
In a preferred embodiment of the present application, as shown in fig. 1 and 2, the heat pump waste heat recovery enthalpy increasing system includes a heat exchanging device.
The heat exchange device is a heat pipe type heat exchanger which comprises a heat pipe and fins arranged on the heat pipe.
The heat pipes are vertically arranged, the heat pipes in the microwave generator 20 in the material conveying microwave drying and sterilizing system are connected with the anode of the microwave generator through fins, the middle lower ends of the heat pipes in the first gas-liquid separator 27 in the gas purifying system are connected with a reversing plate through fins, and the fins are welded on the heat pipes.
In a specific embodiment of the present application, the heat exchange tube may be a copper water heat tube, the fin may be an aluminum fin, and the upper end of the heat exchange tube is connected to and extends into the evaporation tube in the heat pump waste heat recovery enthalpy increasing system.
As shown in fig. 1 and fig. 2, in a preferred embodiment of the present application, the material conveying microwave drying and sterilizing system is disposed at the rear of the solar greenhouse, and the material feeding end of the material conveying microwave drying and sterilizing system is connected with the material discharging end of the solar greenhouse, the material conveying microwave drying and sterilizing system comprises a feeding hopper 11, a microwave drying and sterilizing conveyor 14, a microwave suppressor 16, a control box 17, a microwave heating chamber 18, a microwave generator 20 and a solar greenhouse material discharging hopper 10 which are connected in sequence, wherein the microwave drying and sterilizing conveyor 14 is surrounded by a shell, the microwave generator 20 is disposed at the upper part of the microwave heating chamber 18, materials conveyed by the microwave drying and sterilizing conveyor 14 and passing through the microwave heating chamber 18 are dried and sterilized by microwaves emitted by the microwave generator 20 and then discharged through the solar greenhouse material discharging hopper 10 disposed at the tail part of the microwave drying and sterilizing conveyor 14, the gas generated during the microwave drying and sterilizing process of the material is exhausted through the exhaust pipe arranged on the microwave heating cavity 18.
In a preferred embodiment of the present application, the heat pipe is arranged vertically, and the heat pipe is connected to the anode of the microwave generator 20 through the fin.
The heat pump waste heat recovery enthalpy increasing system further comprises a fresh air supplementing device, and the fresh air supplementing device is arranged at the gas inlet end of the condenser 49.
The pre-drying of the materials in the solar greenhouse adopts the solar greenhouse, the solar heat collector in the solar heat collector heating system and the heat pump waste heat recovery enthalpy increasing system to jointly supply heat.
In a preferred embodiment of the present application, the gas treatment system comprises a dehumidification device and a gas purification system.
In a preferred embodiment of the application, the solar collector heating system comprises a solar collector 54, a solar collector fan 53, a one-way check valve 52 and a gas collector, the inlet of the solar collector heating system being connected to the exhaust of the gas cleaning system and the outlet of the solar collector heating system being connected to the inlet of the solar greenhouse.
The heating system of the solar heat collector 54 is in an array arrangement structure and is arranged on a double-layer glass ceiling 60 above the material conveying microwave drying and sterilizing system along the transverse and longitudinal directions.
In a preferred embodiment of the present application, the exhaust of the gas cleaning system is connected to the cold source inlet of the condenser 49 via one end of a three-way valve and to the inlet of the heating system of the solar collector 54, and the other end of the gas cleaning system is connected to the atmosphere and is evacuated via the three-way valve when no clean gas is required to enter the gas cycle or when the flow rate of the clean gas is greater than the amount required for the gas cycle.
In a preferred embodiment of the present application, the exhaust port of the solar greenhouse is connected to the air inlet of the second gas-liquid separator 33, the gas exhausted from the exhaust port of the solar greenhouse flows along the reversing plate in the second gas-liquid separator 33 and releases heat to the heat pipe heat exchanger, the cooled and dehumidified gas enters the air inlet of the gas purification system through the outlet of the second gas-liquid separator 33, and is cooled, dedusted, deodorized and purified in the gas purification system and then enters the gas circulation again.
As shown in fig. 1 and fig. 2, in a preferred embodiment of the present application, the gas purification system is used for dehumidifying and purifying the tail gas generated in the microwave drying and sterilizing process and the exhaust gas of the solar greenhouse, the gas purification system includes a first gas-liquid separator 27, a second gas-liquid separator 33 and a gas purification box 36, the inlet end of the first gas-liquid separator 27 is connected to the outlet of the tail gas exhaust pipe of the material transporting microwave drying and sterilizing system, two inlets are provided at the front end of the gas purification box 36, one is the exhaust inlet of the material transporting microwave drying and sterilizing system, the other is the exhaust gas inlet of the solar greenhouse, the outlet end of the first gas-liquid separator 27 is connected to the inlet of the gas purification box 36, and the exhaust gas of the solar greenhouse enters the second gas-liquid separator 33 through a pipeline.
As shown in fig. 1 and fig. 2, in a preferred embodiment of the present application, the heat pump waste heat recovery enthalpy increasing system is used for recovering and utilizing the high-temperature humid exhaust gas of the solar greenhouse, the heat dissipation of the microwave generator 20 and the exhaust waste heat of the material conveying microwave drying and sterilizing system to preheat the dry gas entering the solar greenhouse, the heat pump waste heat recovery enthalpy increasing system includes a heat pump compressor 40, a condenser 49, a one-way check valve 52, a heat pump expansion valve 55 and a heat exchanger, the heat exchanger (not shown) is disposed in each of the microwave generator 20, the first gas-liquid separator 27 and the second gas-liquid separator 33, an outlet of the heat pump compressor 40 is connected to a refrigerant inlet of the condenser 49, a refrigerant outlet of the condenser 49 is connected to an inlet of the heat pump expansion valve 55, and an outlet of the heat pump expansion valve 55 is sequentially connected to and respectively disposed in the microwave generator 20, the, The heat exchangers in the first gas-liquid separator 27 and the second gas-liquid separator 33, and the air intake port of the condenser 49 are connected to the exhaust port of the induced draft fan of the gas purification tank 36.
In a preferred embodiment of the present application, a gas flow sensor 42 and temperature and pressure sensors 43 are provided on the outlet pipe of the heat pump compressor 40, a temperature sensor 44 is provided at the refrigerant outlet of the condenser 49, and a temperature sensor 44 is provided at each of the inlet and outlet of the accumulator 39.
In a preferred embodiment of the present application, the cold source outlet of the condenser 49 is connected to the air inlet of the solar greenhouse via the one-way check valve 52, the flow regulating valve 56 and the solar greenhouse blower 57, the refrigerant inlet of the condenser 49 is connected to the outlet of the heat pump compressor 40, and the refrigerant outlet of the condenser 49 is connected to the inlet of the heat pump expansion valve 55 via the refrigerant booster pump 51.
In one embodiment of the present application, the gas flow in the combined drying and sterilizing equipment with the solar heat pump and microwave multi-energy complementation is a closed cycle, the gas is heated by the condenser 49 and the solar heat collector 54, and then enters the solar greenhouse through the flow regulating valve 56 and the solar greenhouse blower 57, a part of damp-heat gas after temperature reduction and moisture absorption in the solar greenhouse enters the gas purification system through the axial flow draught fan, the first gas-liquid separator 27 and the second gas-liquid separator 33, the purified gas enters the condenser 49 and the solar heat collector 54 again through the three-way valve to complete the gas heating, temperature reduction, humidification, temperature reduction, dehumidification and purification cycles, another part of damp-heat gas after temperature reduction and moisture absorption in the solar greenhouse enters the conveying microwave drying and sterilizing system through the solar greenhouse discharge hopper 10 along with the pre-dried material, and after conveying microwave drying and sterilization, the gas passes through the exhaust port, the exhaust port, The first gas-liquid separator 27 and the second gas-liquid separator 33 enter a gas purification system for purification, and the gas after dehumidification, temperature reduction, dust removal and deodorization purification enters the condenser 49, the solar thermal collector 54, the solar greenhouse and a material conveying microwave drying and sterilizing system again through the three-way valve to complete gas heating, temperature reduction, humidification, temperature increase, humidification, temperature reduction, dehumidification and purification circulation.
In conclusion, the material to be treated is subjected to heat supply and pre-drying in the solar greenhouse by combining the solar greenhouse, the solar thermal collector heating system and the heat pump waste heat recovery enthalpy increasing system, and the material conveying microwave drying and sterilizing system adopts microwaves to perform drying and sterilizing treatment on the pre-dried material, so that the moisture in the material is further evaporated, and meanwhile, microorganisms such as bacteria, viruses and the like in the material are inactivated, and the aim of drying and sterilizing is fulfilled. The material transports and dry sterilization when being carried in this defeated material microwave drying sterilization system, and the material after dry sterilization is discharged to the outside, and tail gas gets into the gas purification system among the gas processing system and discharges after deodorizing and dedusting purification after the cooling and dehumidification of the heat pipe formula heat exchanger that heat pump waste heat recovery increases the enthalpy system and is located the vapour and liquid separator in the gas processing system to accomplish the dry sterilization process of material. The tail gas exhausted by the material conveying microwave drying and sterilizing system and the gas exhausted by the solar greenhouse have higher temperature, the tail gas is utilized to recycle the energy through the heat exchanger in the heat pump waste heat recycling enthalpy increasing system, the temperature and enthalpy value of the dry gas entering the solar greenhouse are improved, and therefore the purpose of waste heat recycling enthalpy increasing is achieved. Therefore, the utility model provides a solar thermal energy pump adopts the solar greenhouse with complementary joint drying sterilization equipment of microwave multipotency, solar collector heating system, heat pump waste heat recovery increases enthalpy system and defeated material microwave drying sterilization system's multipotency complementary joint drying sterilization technology, it is high effectively to have solved current material drying sterilization energy consumption, easily cause secondary pollution, the high scheduling problem of treatment cost, can realize material drying fast, effective sterilization, reduce the energy consumption cost, solve problem and the hidden danger that conventional drying technology exists, and increase the enthalpy system through tail gas waste heat and carry out tail gas waste heat utilization and utilize solar energy resource, the whole energy consumption of equipment has effectively been reduced.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A solar heat pump and microwave multi-energy complementary combined drying and sterilizing device is characterized by comprising a solar greenhouse, a solar heat collector heating system, a material conveying microwave drying and sterilizing system, a heat pump waste heat recovery enthalpy increasing system, a dehumidifying device and a gas processing system which are sequentially connected, wherein the solar greenhouse is used for primarily drying materials; the solar heat collector heating system is arranged at the upper part of the material conveying microwave drying and sterilizing system and is used for heating air for carrying out convection heating on materials in the solar greenhouse; the material conveying microwave drying and sterilizing system is used for drying and sterilizing materials; the heat pump waste heat recovery enthalpy increasing system is used for recovering and utilizing exhaust waste heat to preheat dry gas entering the solar greenhouse;
the exhaust port of the solar greenhouse is connected with the air inlet of the gas treatment system, and the exhaust port of the material conveying microwave drying and sterilizing system is connected with the air inlet of the gas treatment system.
2. The solar heat pump and microwave multi-energy complementary combined drying and sterilizing device according to claim 1, it is characterized in that a double-layer glass ceiling, a conveyor, a turbulent flow fan, an axial flow draught fan, a temperature and humidity sensor, a feeding door and a solar greenhouse discharge hopper are respectively arranged in the solar greenhouse, the double-layer glass ceiling is positioned at the top of the solar greenhouse, the turbulent fan is positioned below the double-layer glass ceiling and above the conveyor, the axial flow induced draft fan is positioned at the upper part of the side wall below the double-layer glass ceiling, the temperature and humidity sensors are respectively arranged at the upper part of the conveyor and positioned at the inlet of the axial flow induced draft fan, the feeding door is arranged below the axial flow draught fan, the discharge hopper of the solar greenhouse is positioned on the side wall opposite to the feeding door, the solar greenhouse discharge hopper is connected with the feeding bin of the material conveying microwave drying and sterilizing system.
3. The solar heat pump and microwave multi-energy complementary combined drying and sterilizing equipment as claimed in claim 1, wherein the heat pump waste heat recovery enthalpy-increasing system comprises a heat exchange device;
the heat exchange device is a heat pipe type heat exchanger, and the heat pipe type heat exchanger comprises a heat pipe and fins arranged on the heat pipe.
4. The solar heat pump and microwave multi-energy complementary combined drying and sterilizing device as claimed in claim 3, wherein the material conveying microwave drying and sterilizing system is disposed at the rear part of the solar greenhouse, a material inlet end of the material conveying microwave drying and sterilizing system is connected with a material outlet end of the solar greenhouse, the material conveying microwave drying and sterilizing system comprises a feed hopper, a microwave drying and sterilizing conveyor, a microwave suppressor, a control box, a microwave heating chamber, a microwave generator and a solar greenhouse material outlet hopper which are connected in sequence, wherein the microwave drying and sterilizing conveyor is surrounded by a shell, the microwave generator is disposed at the upper part of the microwave heating chamber, materials are conveyed by the microwave drying and sterilizing conveyor and are dried and sterilized by microwaves emitted by the microwave generator when passing through the microwave heating chamber, and are discharged from the solar greenhouse material outlet hopper disposed at the tail part of the microwave drying and sterilizing conveyor, gas generated in the process of microwave drying and sterilization of the materials is exhausted through a tail gas exhaust pipe arranged on the microwave heating cavity.
5. The solar heat pump and microwave multi-energy complementary combined drying and sterilizing equipment as claimed in claim 4, wherein the heat pipe is vertically arranged and is connected with the anode of the microwave generator through the fin.
6. The solar heat pump and microwave multi-energy complementary combined drying and sterilization apparatus according to claim 1, wherein the gas treatment system comprises a dehumidification device and a gas purification system.
7. The solar heat pump and microwave multi-energy complementary combined drying and sterilization device as claimed in claim 6, wherein the solar heat collector heating system comprises a solar heat collector, a solar heat collector fan, a one-way check valve and a gas collecting pipe, an air inlet of the solar heat collector heating system is connected with an air outlet of the gas purification system, and an air outlet of the solar heat collector heating system is connected with an air inlet of the solar greenhouse.
8. The solar heat pump and microwave multi-energy complementary combined drying and sterilizing device according to claim 6, it is characterized in that the gas purification system is used for dehumidifying and purifying the tail gas generated in the microwave drying and sterilizing process and the dehumidifying gas of the solar greenhouse, the gas purification system comprises a first gas-liquid separator, a second gas-liquid separator and a gas purification box, the gas inlet end of the first gas-liquid separator is connected with the outlet of the tail gas exhaust pipe of the material conveying microwave drying and sterilizing system, the front end of the gas purification box is provided with two gas inlets, one is an exhaust inlet of the material conveying microwave drying and sterilizing system, the other is a moisture exhaust gas inlet of the solar greenhouse, the exhaust end of the first gas-liquid separator is connected with the gas inlet of the gas purification box, and the moisture-discharging gas of the solar greenhouse enters the second gas-liquid separator through a pipeline.
9. The solar heat pump and microwave multi-energy complementary combined drying and sterilizing device as claimed in claim 8, wherein the heat pump waste heat recovery enthalpy increasing system is used for recycling the high-temperature humid exhaust gas of the solar greenhouse, the heat radiation of the microwave generator and the exhaust waste heat of the material conveying microwave drying and sterilizing system to preheat the dry gas entering the solar greenhouse, the heat pump waste heat recovery enthalpy increasing system comprises a heat pump compressor, a condenser, a one-way check valve, a heat pump expansion valve and a heat exchanger, the heat exchanger is arranged in the microwave generator, the first gas-liquid separator and the second gas-liquid separator, the outlet of the heat pump compressor is connected with the refrigerant inlet of the condenser, the refrigerant outlet of the condenser is connected with the inlet of the heat pump expansion valve, and the outlet of the heat pump expansion valve is sequentially connected with and respectively arranged on the microwave generator and the microwave generator through a pipeline, The first gas-liquid separator and the heat exchanger in the second gas-liquid separator, the air inlet of the condenser is connected with the exhaust end of the induced draft fan of the gas purification box.
10. The solar heat pump and microwave multi-energy complementary combined drying and sterilizing device as claimed in claim 9, wherein a cold source outlet of the condenser is connected with an air inlet of the solar greenhouse through the one-way check valve, the flow regulating valve and the solar greenhouse air feeder, a refrigerating medium inlet of the condenser is connected with an outlet of the heat pump compressor, and a refrigerating medium outlet of the condenser is connected with an inlet of the heat pump expansion valve through the medium booster pump.
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| CN202020631179.1U CN212692418U (en) | 2020-04-23 | 2020-04-23 | Solar heat pump and microwave multi-energy complementary combined drying and sterilizing equipment |
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| CN202020631179.1U CN212692418U (en) | 2020-04-23 | 2020-04-23 | Solar heat pump and microwave multi-energy complementary combined drying and sterilizing equipment |
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