CN111879071B - An air energy heat pump drying and dehumidification cycle integrated machine - Google Patents
An air energy heat pump drying and dehumidification cycle integrated machine Download PDFInfo
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- CN111879071B CN111879071B CN202010918183.0A CN202010918183A CN111879071B CN 111879071 B CN111879071 B CN 111879071B CN 202010918183 A CN202010918183 A CN 202010918183A CN 111879071 B CN111879071 B CN 111879071B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements for supplying or controlling air or other gases for drying solid materials or objects
- F26B21/001—Air generating units, e.g. movable or independent of drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements for supplying or controlling air or other gases for drying solid materials or objects
- F26B21/001—Air generating units, e.g. movable or independent of drying enclosure
- F26B21/002—Air generating units, e.g. movable or independent of drying enclosure with means for indirect air heating, i.e. using heat exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements for supplying or controlling air or other gases for drying solid materials or objects
- F26B21/003—Air or gas filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements for supplying or controlling air or other gases for drying solid materials or objects
- F26B21/20—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
- F26B21/25—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements for supplying or controlling air or other gases for drying solid materials or objects
- F26B21/30—Controlling, e.g. regulating, parameters of gas supply
- F26B21/33—Humidity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements for supplying or controlling air or other gases for drying solid materials or objects
- F26B21/30—Controlling, e.g. regulating, parameters of gas supply
- F26B21/35—Temperature; Pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/22—Controlling the drying process in dependence on liquid content of solid materials or objects
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention provides an air source heat pump drying, dehumidifying and circulating integrated machine, wherein a drying area is divided into an air placing area, a material area and a heat exhausting area; the equipment area is divided into a dehumidification area at the top, a tail gas exhaust area and a heating area, an exhaust channel is arranged between the dehumidification area and the exhaust area, the evaporator is arranged on the exhaust channel, an electric fan assembly is arranged between the dehumidification area and the tail gas exhaust area, and a tail gas exhaust window is arranged at the outer side of the bottom of the exhaust channel; a heat inlet air window is arranged between the position of the bottom of the material area without the drying tray and the heating area, a perfusion fan is arranged on the heat inlet air window, and a condenser is arranged outside the perfusion fan; an air inlet window is arranged on the outer side of the equipment area, fresh air introduced by the air inlet window flows through the condenser, and the fresh air heated by the condenser is input into the material area through the perfusion fan. And meanwhile, the bottommost part is provided with an air return port, and the low-temperature hot air flow is used for replacing the high-temperature hot air flow in the material area through the air return port in the cooling process. The closed type drying, dehumidifying and cooling are realized, the heat recovery of tail gas is realized in a small space range, the energy loss is greatly reduced, and the energy utilization rate is improved; the drying process automatically operates and is provided with multiple safety protection functions.
Description
Technical Field
The invention relates to the field of drying equipment, in particular to an air source heat pump drying, dehumidifying and circulating integrated machine.
Background
Dryers are in great demand in many areas, and in different fields of application, the dryer needs for different articles are different. Different dryers are designed in combination with different products to be dried, and meanwhile, the dryer is a product with high energy consumption, and when the dryer is applied to production, the dryer generally needs to continuously work, so that the dryer has higher requirements on energy efficiency. Fig. 1 is a distribution diagram of part of a cylindrical heat pump dryer, wherein the whole dryer body is cylindrical and mainly comprises a cylindrical shell 1, a base 6, a compressor unit, a fan 9, a control electric box 8, a tray 4, an expansion valve and a fan protection net 2, wherein the base is arranged at the bottom of the cylindrical shell, the fan protection net 2 is arranged at the top of the cylindrical shell 1, the tray 4 divides the cylindrical shell 1 into a heating cavity and a material cavity, the compressor unit is arranged in the heating cavity, and the material cavity is used for placing articles to be dried; the compressor unit comprises a compressor 7, an evaporator 5 and a condenser 10, wherein the evaporator is arranged along the periphery of the cylinder shell, the condenser is arranged in the middle of the cylinder shell, namely the evaporator 5, and the evaporator 5 and the condenser 10 are isolated by a partition plate. The tray adopts a porous sieve plate, the condenser 10 is arranged below the porous sieve plate, and a connecting air channel is arranged between the condenser and the porous sieve plate; a fan bracket 3 is arranged above the tray, and the fan is fixed on the fan bracket. The condenser 10 is used for heating peripheral air when in operation, the material to be dried is arranged on the porous screen plate, the fan 9 is controlled to work, hot air prepared by the condenser 10 is extracted upwards, the material arranged on the porous screen plate is heated through the porous screen plate, and wet hot air generated after heating is further discharged outside through the fan protection net, so that the heating of the material is realized; the porous sieve plate is favorable for uniform distribution of high-temperature air, and uniform heating of the articles to be dried arranged on the porous sieve plate is realized. However, due to the limitation of the volume space of the integrated machine, the dryer has the following defects that the tail gas generated in the drying process is directly discharged, and the redundant heat in the discharged tail gas can not be recovered, so that the energy efficiency of the whole product is not high; the dried product is exposed in the air, and the product is cooled after being dried, so that the product is easy to absorb moisture reversely, and the quality of the product is influenced; meanwhile, the dryer is only suitable for small quantity or small batch of drying requirements, is obviously unsuitable for building a drying room for slightly and slightly larger planters, and needs a drying device which is suitable for slightly and slightly larger drying requirements, and has good drying quality and high energy efficiency.
Disclosure of Invention
The invention aims to solve the technical problem of providing a device which is suitable for the drying requirements of large batches of articles, has good drying quality effect and no moisture absorption, and can realize tail gas treatment and waste heat recycling on a small integrated machine.
In order to solve the problems, the invention provides an air-source heat pump drying and dehumidifying circulating all-in-one machine, which comprises an integral airtight box body, wherein the box body is divided into a drying area and an equipment area from left to right through a hollow partition plate, the drying area is divided into a bottom air placing area and a middle material area through the partition plate, a drying tray is arranged at the middle upper part of the material area, and the top is an empty heat air discharging area; the equipment area is divided into a moisture discharging area positioned at the top, a tail gas discharging area positioned at the middle part and a heating area positioned at the bottom by a partition plate, the position of the moisture discharging area is consistent with that of the heat discharging area, an exhaust channel is arranged between the moisture discharging area and the heat discharging area, an evaporator is arranged on the exhaust channel, a downward air draft electric fan assembly is arranged on a partition plate between the moisture discharging area and the tail gas discharging area, and a tail gas discharging window is arranged at the outer side of the bottom of the exhaust channel; a heat inlet air window is arranged between the position of the bottom of the material area, which is not provided with a drying tray, and the heating area, a perfusion fan is arranged on the heat inlet air window, and a condenser is arranged on the outer side of the perfusion fan; the outside of equipment district is equipped with the window that admits air, and the new trend that the window that admits air introduced flows through the condenser, and through the perfusion fan input material district after being heated by the condenser, the new wind flow that the window that admits air introduced simultaneously, when the cooling, low temperature hot gas replacement material district's high temperature steam.
The air source heat pump drying, dehumidifying and circulating all-in-one machine is characterized in that an electric heating component is further arranged on the top of the heat exhaust area.
The air energy heat pump drying, dehumidifying and circulating all-in-one machine is characterized in that a compressor unit is arranged at the bottom of a heating area, refrigerant pipelines connected between an evaporator and the compressor unit and between the evaporator and a condenser are arranged in a hollow partition board, and the hollow partition board is made of heat insulation materials.
The drying, dehumidifying and circulating integrated machine of the air-source heat pump is characterized in that a drain pan is arranged at the bottom of the air placing area, and a drain outlet on the evaporator is communicated with the drain pan through a drain pipe.
The air source heat pump drying, dehumidifying and circulating all-in-one machine is characterized in that the drying tray is more than 2 layers of drying trays which are detachably arranged.
The air energy heat pump drying, dehumidifying and circulating all-in-one machine is characterized in that an induced air fan is arranged on a connecting window between the equipment area and the air placing area.
The air energy heat pump drying, dehumidifying and circulating all-in-one machine is characterized by comprising an intelligent control module, wherein the intelligent control module is at least provided with a drying mode and a cooling mode, and the intelligent control module is used for controlling the drying mode to operate when the humidity of a material to be dried is greater than a preset threshold value by detecting the humidity of the material to be dried; and when the humidity of the material to be dried is less than or equal to a preset threshold value, controlling to operate in a cooling mode.
The air energy heat pump drying, dehumidifying and circulating all-in-one machine is characterized in that the drying mode is adopted, a compressor unit is controlled to operate at high frequency, an induced air fan is closed, an electric fan assembly and a perfusion fan are controlled to be opened, fresh air is introduced from an air inlet window and flows through a condenser, high-temperature and high-pressure heating agent is condensed and released in the condenser to heat the newly introduced fresh air into high-temperature drying gas, the high-temperature and high-humidity drying gas is input into a material area under the action of the perfusion fan, the materials on a drying tray are heated, the heated medium-temperature and high-humidity gas is provided with a heat source for evaporation of a refrigerant in the evaporator through an evaporator arranged on the side edge of the bottom, and moisture in the medium-temperature and high-humidity gas is condensed and discharged through an exhaust air window.
The air energy heat pump drying, dehumidifying and circulating all-in-one machine is characterized in that in the cooling mode, the compressor unit is controlled to gradually reduce the operating frequency, meanwhile, the induced air fan is turned on, the electric fan component and the perfusion fan are controlled to be turned on, fresh air is led in from the air inlet window, part of the fresh air flows through the condenser, and the temperature of the fresh air input into the material area is gradually reduced; simultaneously, low-temperature fresh air is introduced into the air placing area through the induced air fan, so that the temperature of materials in the material room is gradually reduced to be within a set temperature range.
The air-source heat pump drying, dehumidifying and circulating all-in-one machine is characterized in that when in a drying mode, an electric heating component is additionally started, so that the temperature of medium-temperature high-humidity gas is increased, the evaporation of water vapor on materials is accelerated, and the problem that the drying degree of the upper layer and the lower layer is inconsistent is solved; and meanwhile, heat generated by the electric heating component is recycled through the evaporator.
The implementation of the invention has the following beneficial effects: the closed type drying, dehumidifying and cooling are realized, no exhaust waste heat is discharged, no reverse moisture absorption is realized, meanwhile, the heat recovery of the discharged exhaust is skillfully realized in a small space range, the energy loss is greatly reduced, and the energy utilization rate is improved; the whole drying process automatically operates, and multiple safety protection functions are provided, so that the use of users is greatly facilitated. The whole product has compact structure, easy disassembly and assembly and more convenient after-sales repair and maintenance. The whole machine is light and handy, is convenient to move, and meets the installation of different occasions. The price and the cost of the whole machine are low, the investment is low and the popularization range is wide. The drying machine is suitable for both commercial and civil use, is small in quantity and adjustable in quantity, and is suitable for drying a large quantity of products.
Drawings
FIG. 1 is a partial component diagram of a cylindrical heat pump dryer;
FIG. 2 is a schematic diagram of an embodiment of an air-source heat pump drying, dehumidifying and circulating all-in-one machine;
FIG. 3 is a schematic diagram of an embodiment of an air-source heat pump drying, dehumidifying and circulating all-in-one machine with a door panel open;
FIG. 4 is a schematic diagram of the workflow of an air-source heat pump drying and dehumidifying cycle integrated machine;
FIG. 5 is an exploded view of an embodiment of an air-source heat pump drying, dehumidification and circulation all-in-one machine.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
FIG. 2 is a schematic diagram of an embodiment of an air-source heat pump drying, dehumidifying and circulating all-in-one machine; FIG. 3 is a schematic diagram of an embodiment of an air-source heat pump drying, dehumidifying and circulating all-in-one machine with a door panel open; FIG. 5 is an exploded view of an embodiment of an air-source heat pump drying, dehumidification and circulation all-in-one machine. Fig. 4 is a schematic diagram of a working flow of an air-source heat pump drying and dehumidifying cycle integrated machine, which mainly comprises a rear panel assembly B1, a top cover plate B2, a drying tray B3, a right inner tray liner B4, a right side panel assembly B5, an electric heating assembly B6, a water receiving tray B7, a front door panel B8, a wire controller B9, a left front panel assembly B10, a compressor B11, a base B12, an electric cabinet B13, a compressor base B14, a left lower side panel assembly B15, a left upper panel assembly B16, a condenser B17, a perfusion fan B18, a left inner tray liner B19, an electric fan assembly B20, an evaporator B21 and a fresh air filter B22.
The box body mainly comprises a rear panel assembly B1, a top cover plate B2, a right side panel assembly B5, an electric heating assembly B6, a front door plate B8, a left front panel assembly B10, a base B12, a left lower side plate assembly B15 and a left upper panel assembly B16; the box body is divided into a drying area and an equipment area from left to right through a hollow partition board, the drying area is divided into a bottom air placing area A5 and a middle material area A3 through the partition board, a drying tray is arranged at the middle upper part of the material area, and the top of the material area is an empty heat air discharging area A1; the equipment area is divided into a dehumidifying area A2 positioned at the top, a tail gas exhausting area A4 positioned at the middle and a heating area A6 positioned at the bottom by a partition plate, an exhaust channel is arranged between the dehumidifying area and the exhaust area, an evaporator is arranged on the exhaust channel, a downward air draft electric fan assembly is arranged on the partition plate between the dehumidifying area and the tail gas exhausting area, and a tail gas exhaust window is arranged at the outer side of the bottom of the exhaust channel; a heat inlet air window is arranged between the position of the bottom of the material area, which is not provided with a drying tray, and the heating area, a perfusion fan is arranged on the heat inlet air window, and a condenser is arranged on the outer side of the perfusion fan; an air inlet window is arranged on the outer side of the equipment area, fresh air introduced by the air inlet window flows through the condenser, and the fresh air heated by the condenser is input into the material area through the perfusion fan.
The base B12 is provided with a compressor base B14, and the compressor B11 is fixed on the compressor base B14; a plurality of drying trays B3 are arranged on the material area, and are detachably arranged on the right inner tray lining board B4 and the left inner tray lining board B19. The number and the interval of the drying trays B3 can be adjusted according to the number and the volume of the materials.
The exhaust window is arranged on the outer side of the bottom of the exhaust channel, and the exhaust window is arranged at the position rather than directly discharging, so that the temperature of the exhaust gas discharged by the exhaust window is further reduced. Preventing or reducing the problem that the air outlet is easy to be condensed particularly when the external temperature is low.
An intelligent control module is arranged on the electric cabinet or the wire controller, at least a drying mode and a cooling mode are arranged on the intelligent control module, and when the humidity of the material to be dried is larger than a preset threshold value, the intelligent control module is controlled to operate in the drying mode by detecting the humidity of the material to be dried; and when the humidity of the material to be dried is less than or equal to a preset threshold value, controlling to operate in a cooling mode. Of course, a manual mode is also generally provided, and the mode of operation, the temperature of drying and the degree of drying finally achieved can be set manually.
Under the drying mode, the compressor unit is controlled to run at high frequency, the induced air fan is closed, the electric fan component and the perfusion fan are controlled to be opened, fresh air is introduced from the air inlet window and flows through the condenser, the high-temperature and high-pressure heating agent is condensed in the condenser to release heat, the newly introduced fresh air is heated into high-temperature dry gas, the high-temperature dry gas is input into the material area under the action of the perfusion fan, the material on the drying tray is heated, the heated medium-temperature and high-humidity gas is provided with a heat source for evaporation of the refrigerant in the evaporator through the evaporator arranged on the side edge of the bottom, and moisture in the medium-temperature and high-humidity gas is condensed and discharged through the exhaust air window.
Because the product cannot be quickly heated and cooled after the drying reaches the requirement, the quality of the product is greatly affected. Therefore, a cooling mode is set, the compressor unit is controlled to gradually reduce the operating frequency, the induced air fan is simultaneously turned on, the electric fan component and the perfusion fan are controlled to be turned on, fresh air is led in from the air inlet window, part of the fresh air flows through the condenser, and the temperature of the fresh air input into the material area is gradually reduced; simultaneously, low-temperature fresh air is introduced into the air placing area through the induced air fan, so that the temperature of materials in the material room is gradually reduced to be within a set temperature range.
Since the multi-layered drying tray B3 is used, the heated hot air is fed from the bottom, so that the temperature gradually becomes lower and the water gas becomes larger as the level rises. The water vapor is not easy to volatilize in the low-temperature state, and the secondary drying effect is not good, so that the electric heating component is creatively increased and started to improve the temperature of the medium-temperature high-humidity gas, so that the evaporation and dehumidification of the water vapor in the air at the top are accelerated, the rising of the high-humidity high-temperature gas at the lower layer is accelerated, the drying speed of the material is accelerated as a whole, and the problem that the drying degrees of the upper layer and the lower layer are inconsistent is solved; and meanwhile, heat generated by the electric heating component is recycled through the evaporator.
The air-source heat pump drying, dehumidifying and circulating all-in-one machine solves the problems that water vapor, redundant heat are wasted, air flow in a sealed space is turbid, redundant water vapor cannot be discharged or replaced and the like in the drying process. Only need open the front door plant in the operation and carry out the change of material, the bottom still is equipped with a plurality of universal wheel and supports, can make things convenient for the user to remove. The method has the following advantages:
1. the closed type drying and dehumidification mode is adopted, no exhaust waste heat is discharged, no noise pollution is caused, and the method belongs to a high environment-friendly product.
2. The drying temperature is 15-120 ℃, and the cold/hot air drying mode fully satisfies the drying of various aquatic products and replaces the traditional drying of steam, electric heat, hot air and the like.
3. The quality of the dried aquatic products is improved, and the color and luster of the product reach high-quality standards and are superior to those of the sun-drying mode.
4. The drying process meets a class of sanitary condition standards, and the product is fully suitable for the requirement of export grade.
5. Advanced ventilation and air intake dehumidifying system design, reaching ventilation requirement and stable drying condition, energy saving dryer.
6. The steam condensation heat recovery is carried out by adopting the high-temperature heat pump principle, no waste heat is discharged, the operation cost is saved, more than 40 percent of the cost can be saved compared with a coal burning mode, and more than 60 percent of the cost can be saved compared with fuel oil and electric heating.
7. Compared with the traditional dehumidifier air conditioning mode, the energy can be saved by more than 50%, and the drying period can be shortened.
8. Advanced drying process and design of drying room, intelligent automatic control system. Different temperature program curves (variable-temperature drying) are set according to the product, and the drying conditions are stable, uniform and good in quality.
9. The regenerative cycle heat pump dehumidification mode (the dehumidification effect is more than 30% of that of a common heat pump dehumidification dryer) is adopted, the performance is excellent under the conditions of high temperature and low humidity, and the product drying period is shortened.
10. The device is convenient to use and manage, does not need full-time manual management, and runs fully automatically.
11. Setting multiple safety protection functions: phase sequence protection, phase failure protection, overload protection, high voltage protection, low voltage protection, etc.
The above disclosure is merely an embodiment of the present invention, and it should be understood that the scope of the claims should not be limited thereto, and that all or part of the procedures for implementing the above embodiments may be modified by one skilled in the art, and still fall within the scope of the present invention as defined in the appended claims.
Claims (2)
1. The air source heat pump drying, dehumidifying and circulating all-in-one machine comprises an integral airtight box body, wherein the box body is divided into a drying area and an equipment area from left to right through a hollow partition plate, the drying area is divided into a bottom air placing area and a middle material area through a partition plate, a drying tray is arranged at the middle upper part of the material area, and the top is an empty heat air discharging area; the equipment area is divided into a moisture discharging area positioned at the top, a tail gas discharging area positioned at the middle part and a heating area positioned at the bottom by a partition plate, the position of the moisture discharging area is consistent with that of the heat discharging area, an exhaust channel is arranged between the moisture discharging area and the heat discharging area, an evaporator is arranged on the exhaust channel, a downward air draft electric fan assembly is arranged on a partition plate between the moisture discharging area and the tail gas discharging area, and a tail gas discharging window is arranged at the outer side of the bottom of the exhaust channel; A heat inlet air window is arranged between the position of the bottom of the material area, which is not provided with a drying tray, and the heating area, a perfusion fan is arranged on the heat inlet air window, and a condenser is arranged on the outer side of the perfusion fan; an air inlet window is arranged on the outer side of the equipment area, fresh air introduced by the air inlet window flows through the condenser, and is input into the material area through the perfusion fan after being heated by the condenser, and meanwhile, the fresh air introduced by the air inlet window replaces high-temperature hot air in the material area when being cooled; an electric heating component is arranged on the top of the heat exhaust area; the compressor unit is arranged at the bottom of the heating area, and refrigerant pipelines connected between the evaporator and the compressor unit and between the evaporator and the condenser are arranged in hollow partition plates, and the hollow partition plates are made of heat insulation materials; a drain pan is arranged at the bottom of the air placing area, and a drain outlet on the evaporator is communicated with the drain pan through a drain pipe; the intelligent control module is at least provided with a drying mode and a cooling mode, and controls the operation in the drying mode by detecting the humidity of the material to be dried when the humidity of the material to be dried is greater than a preset threshold value; when the humidity of the material to be dried is smaller than or equal to a preset threshold value, controlling to operate in a cooling mode; the drying mode is characterized in that the high-frequency operation of the compressor unit is controlled, the induced air fan is closed, the electric fan component and the perfusion fan are controlled to be opened, fresh air is introduced from the air inlet window and flows through the condenser, the high-temperature and high-pressure heating agent is condensed in the condenser to release heat, the newly introduced fresh air is heated into high-temperature drying gas, the high-temperature drying gas is input into the material area under the action of the perfusion fan, the material on the drying tray is heated, the heated medium-temperature and high-humidity gas is used for providing a heat source for evaporation of a refrigerant in the evaporator through the evaporator arranged on the side edge of the bottom, and moisture in the medium-temperature and high-humidity gas is condensed and discharged through the exhaust air window; The cooling mode is characterized in that the compressor unit is controlled to gradually reduce the operating frequency, the induced air fan is turned on, the electric fan component and the perfusion fan are controlled to be turned on, fresh air is led in from the air inlet window, part of the fresh air flows through the condenser, and the temperature of the fresh air input into the material area is gradually reduced; simultaneously, low-temperature fresh air is introduced into the air placing area through the induced air fan, so that the temperature of materials in the material room is gradually reduced to be within a set temperature range; in the drying mode, the electric heating component is additionally started, so that the temperature of medium-temperature high-humidity gas is increased, the evaporation of water vapor on materials is accelerated, and the problem that the drying degree of the upper layer and the lower layer is inconsistent is solved; and meanwhile, heat generated by the electric heating component is recycled through the evaporator.
2. The air-source heat pump drying, dehumidifying and circulating all-in-one machine according to claim 1, wherein the drying tray is more than 2 layers of drying trays which are detachably arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010918183.0A CN111879071B (en) | 2020-09-03 | 2020-09-03 | An air energy heat pump drying and dehumidification cycle integrated machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010918183.0A CN111879071B (en) | 2020-09-03 | 2020-09-03 | An air energy heat pump drying and dehumidification cycle integrated machine |
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| CN111879071A CN111879071A (en) | 2020-11-03 |
| CN111879071B true CN111879071B (en) | 2024-09-20 |
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| CN114838580B (en) * | 2022-05-14 | 2023-01-17 | 黄山徽工智造节能设备有限公司 | An air energy heat pump dryer |
| CN116491544A (en) * | 2023-03-23 | 2023-07-28 | 阳江职业技术学院 | Low-temperature multi-stage temperature-controlled drying method for aquatic products with bacteria reduction and bacteria control |
| CN120064589B (en) * | 2025-04-27 | 2025-06-27 | 华谱(西安)生物科技有限公司 | Biological sample quantitative determination device |
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| CN104532522A (en) * | 2014-08-22 | 2015-04-22 | 上海伯涵热能科技有限公司 | Air open circle heat pump type drying wardrobe |
| CN110057172A (en) * | 2019-05-16 | 2019-07-26 | 浙江正理生能科技有限公司 | A kind of Integral air source heat pump drying device |
| CN212512171U (en) * | 2020-09-03 | 2021-02-09 | 深圳市派沃新能源科技股份有限公司 | Air-source heat pump drying and dehumidifying cycle all-in-one machine |
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| CN107202475A (en) * | 2017-07-03 | 2017-09-26 | 刘贵平 | A kind of air source heat pump drying system |
| CN209926755U (en) * | 2019-05-16 | 2020-01-10 | 浙江正理生能科技有限公司 | Integral type air source heat pump drying device |
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| CN104532522A (en) * | 2014-08-22 | 2015-04-22 | 上海伯涵热能科技有限公司 | Air open circle heat pump type drying wardrobe |
| CN110057172A (en) * | 2019-05-16 | 2019-07-26 | 浙江正理生能科技有限公司 | A kind of Integral air source heat pump drying device |
| CN212512171U (en) * | 2020-09-03 | 2021-02-09 | 深圳市派沃新能源科技股份有限公司 | Air-source heat pump drying and dehumidifying cycle all-in-one machine |
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