CN111023724B - Rapid heating-up heat pump drying all-in-one machine - Google Patents
Rapid heating-up heat pump drying all-in-one machine Download PDFInfo
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- CN111023724B CN111023724B CN201911375994.4A CN201911375994A CN111023724B CN 111023724 B CN111023724 B CN 111023724B CN 201911375994 A CN201911375994 A CN 201911375994A CN 111023724 B CN111023724 B CN 111023724B
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- drying
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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
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
- F26B21/002—Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
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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 or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within 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 or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/10—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
- F26B25/06—Chambers, containers, or receptacles
Abstract
The invention discloses a rapid heating-up heat pump drying all-in-one machine, which comprises a shell and a heat pump system arranged in the shell, wherein the inner space of the shell is divided into a lower inner circulation area and an upper outer circulation area; an air return inlet and an air supply outlet which are respectively communicated with the drying room are arranged on the side wall of one side of the internal circulation area; the heat pump system comprises a compressor, a condenser, a differential pressure regulating valve, an evaporator, a drying filter, a liquid storage device and a gas-liquid separator which are sequentially communicated through a refrigerant pipeline, wherein an outlet of the gas-liquid separator is correspondingly connected with a gas return port of the compressor to form a circulation loop. The invention has compact structure, small volume and convenient installation and use, can realize the rapid heating of the condenser and shorten the startup time of the dryer through the differential pressure regulating valve, is particularly suitable for the condition that the material drying needs frequent startup and shutdown, can effectively save the startup time and improve the working efficiency.
Description
Technical Field
The invention relates to the technical field of dryers, in particular to a rapid heating heat pump drying all-in-one machine.
Background
The heat pump dryer is a heat lifting device, and a high-temperature heat pump dryer set absorbs heat from the surrounding environment by using the inverse Carnot principle and transmits the heat to a heated object, and is mainly applied to the drying and dehydrating processes of food, medicinal materials, wood, agricultural and sideline products, industrial products and the like. The heat pump dryer can realize low-temperature air closed circulation drying, has good material drying quality, can meet the high-quality drying requirement of most thermosensitive materials, and can avoid impurity pollution possibly brought to the materials by exchange with external gas due to closed circulation of a drying medium, which is particularly important for food, medicines or biological products. The early heat pump dryer is mostly split type, and is divided into an external machine and an internal machine, so that the installation and the use are inconvenient; the integrated heat pump dryer is small in size and low in energy consumption, and is adopted in many material drying fields at present. In the drying process of some materials (such as tobacco leaf drying and food drying), a heat pump system of a dryer needs to work intermittently, the heat pump system needs to be closed after being started for a period of time, and then is started again after a period of time, and the heat pump system needs to be started and shut down for many times in the working process.
Disclosure of Invention
The invention aims to provide a rapid heating heat pump drying all-in-one machine, which can realize rapid heating in the drying process, shorten the starting time and save the energy consumption.
In order to solve the technical problems, the invention adopts the following technical scheme:
a rapid heating-up heat pump drying all-in-one machine is designed, which comprises a shell and a heat pump system arranged in the shell,
a transverse partition plate is arranged in the shell to divide the inner space of the shell into a lower inner circulation area and an upper outer circulation area; a return air inlet is arranged at the lower part of the side wall at one side of the internal circulation area, an air supply outlet is also arranged at one side of the upper part of the side wall where the return air inlet is positioned, a return air duct communicated to the lower part inside the drying room is arranged at the return air inlet, an air supply duct communicated to the upper part inside the drying room is arranged at the air supply outlet, and a circulating fan is arranged in the air supply duct;
the heat pump system comprises a compressor, a condenser, a differential pressure regulating valve, an evaporator, a drying filter, a liquid storage device and a gas-liquid separator which are sequentially communicated through a refrigerant pipeline, wherein an outlet of the gas-liquid separator is correspondingly connected with a gas return port of the compressor to form a circulation loop;
the evaporator is arranged in the external circulation area, an air outlet is formed in the top of the shell of the external circulation area, and an air exhaust fan is mounted at the air outlet; other equipment of the heat pump system is arranged in the internal circulation area, and the condenser is arranged at a position adjacent to the side wall where the air return inlet and the air supply outlet are arranged.
In the technical scheme, this heat pump drying-machine is the all-in-one, install this heat pump drying-machine in one side of stoving room when using, the return air wind channel of lower part is linked together with the lower part return air inlet in stoving room, the air supply wind channel on upper portion is linked together with the upper portion supply-air outlet in stoving room, in the drying process, under circulating fan's drive, the air in the stoving room gets into in the drying-machine casing through the return air wind channel, carry out the heat transfer with the condenser in the casing, realize the heating of air, the air after the heating gets back to in the stoving room through the air supply wind channel, the air in the stoving room realizes that upper portion is sent into, the lower part is taken back, so circulation, realize. The evaporator is arranged in an external circulation area at the upper part of the shell and used for exchanging heat with external air, absorbing heat in the external air and saving energy consumption.
Preferably, the differential pressure regulating valve comprises a valve pipe, a mandril, a limiting spring, a regulating nut and a packaging pipe, wherein the lower ends of the valve pipe and the packaging pipe are liquid inlets, and the upper ends of the valve pipe and the packaging pipe are liquid outlets;
an annular boss is arranged on the inner wall of the valve pipe, the upper part of the limiting spring penetrates into the valve pipe through the liquid inlet, and the upper end of the limiting spring is propped against the annular boss; the upper end of the ejector rod is provided with a conical end, the inner wall of the top of the valve pipe is provided with a conical surface matched with the conical end, the lower end of the ejector rod penetrates through the valve pipe and the limiting spring and extends to the outside of the valve pipe, the conical end is attached to the conical surface, and a gap for liquid inlet is reserved between the outer wall of the ejector rod and the inner wall of the valve pipe; the surface of the ejector rod is provided with external threads, the adjusting nut is rotatably sleeved on the ejector rod, and the lower end of the limiting spring abuts against the adjusting nut;
the packaging pipe is sleeved outside the valve pipe, the inner wall of the packaging pipe and the outer wall of the valve pipe are fixedly covered, the outer diameter of the adjusting nut is smaller than the inner diameter of the packaging pipe, one liquid inlet end of the packaging pipe is connected with the tail end outlet of the condenser, and one liquid outlet end of the packaging pipe is connected with the front end inlet of the evaporator.
By arranging the pressure difference regulating valve, the refrigerant discharged from condensation generates pressure difference when passing through the regulating valve, and the refrigerant on the high-pressure side keeps a high-pressure state and is quickly liquefied and released, so that the condenser is quickly heated; meanwhile, the pressure in the evaporator is reduced, so that the evaporation of the refrigerant is facilitated, and the pressure reduction and throttling effects are achieved. The ejector rod is arranged in the valve pipe, and the upper conical end is attached to the conical surface of the inner wall of the valve pipe to close the valve pipe; the condensing agent that the condenser sent out gets into from the lower extreme inlet of valve pipe, because will push up the toper end and flow out from the liquid outlet, just need drive spacing spring compression deformation, consequently the refrigerant need reach certain pressure when reaching the liquid outlet department of valve pipe and just can promote the toper end and open, this just makes the refrigerant produce pressure differential in both sides around the governing valve, and the refrigerant of high pressure one side continues to keep high pressure state and liquefies rapidly and releases heat, makes the condenser heat up fast, reduces preheating time, improves work efficiency. The liquid outlet of the regulating valve can reach the required pressure difference by adjusting the thread pitch, the wire diameter and the compression amount of the limiting spring so as to adapt to the pressure difference requirements of different systems.
Preferably, the two ends of the packaging tube are respectively provided with a check valve, the packaging tube is correspondingly connected with a refrigerant pipeline communicated to the condenser and the evaporator through the check valve, the packaging tube is connected with the check valve through a connecting nut, the end part of the packaging tube is provided with a horn-shaped port, the connecting nut is sleeved outside the tube body of the packaging tube, the inner wall of the rear part of the connecting nut is provided with a clamping surface matched with the horn-shaped port in shape, the horn-shaped port is clamped in a tubular interface of the check valve, and the front part of the connecting nut is in threaded connection and fixation with the tubular interface of the check valve.
The one-way valves arranged on the two sides of the packaging pipe can facilitate the disassembly and replacement of the regulating valve, the one-way valves on the two sides are closed, the refrigerants in the pipelines on the two sides are cut off, the regulating valve can be disassembled, and then a new regulating valve is replaced; when the differential pressure valve is damaged or the regulating valve with different differential pressures needs to be replaced, the quick disassembly and assembly can be carried out; the regulating valves with different pressure differences can adapt to different requirements of the heat pump system on the pressure differences; other equipment in the heat pump system is not influenced in the replacement process.
Preferably, a rubber sealing ring is arranged between the clamping surface of the connecting nut and the contact surface of the horn-shaped port of the packaging tube, so as to play a further sealing role.
Preferably, the inner diameter of the annular boss is larger than the rod body diameter of the ejector rod.
Preferably, a set of reinforcing fixing parts is provided at each of upper and lower parts of the outer wall of the valve tube, the reinforcing fixing parts including two adjacent annular flanges and an annular groove formed between the two annular flanges. The reinforcing fixing part is convenient for reinforcing the fixation between the valve tube and the packaging tube, so that the valve tube and the packaging tube are firmer, and the valve tube is prevented from being loosened in the packaging tube.
Preferably, the shape of the tube body of the packaging tube positioned outside the valve tube is matched with the shape of the outer wall of the valve tube.
Preferably, the evaporators are divided into two groups, each group of evaporators comprises two duct pieces arranged in a V shape, and the top of the shell corresponding to the V-shaped opening of each group of evaporators is provided with an air outlet and an air exhaust fan; and the side wall of one side of the outer circulation area is a latticed ventilating plate. After the fan of airing exhaust at casing top was opened, the extrinsic air got into the extrinsic cycle district in the casing through latticed ventilative board, carried out the heat transfer with the evaporimeter, and the evaporimeter absorbs the heat of extrinsic air, and the air after the heat transfer is discharged via the air exit, is the area of contact that the evaporimeter section of jurisdiction of V type setting can increase the air, improves heat exchange efficiency.
The invention has the beneficial effects that:
the rapid heating heat pump drying all-in-one machine is compact in structure, small in size and convenient to install and use, can achieve internal circulation heating of air in a drying room, can achieve rapid heating of a condenser through the pressure difference adjusting valve, shortens starting time of a dryer, is particularly suitable for the condition that materials are dried and need to be frequently started and shut down, can effectively save starting time, improves working efficiency, and is more energy-saving and environment-friendly.
Drawings
FIG. 1 is a schematic side view of a rapid-warming heat pump drying integrated machine according to the present invention;
FIG. 2 is a schematic diagram of the internal structure of the rapid heating-up heat pump drying all-in-one machine of the present invention;
FIG. 3 is a schematic structural view of a differential pressure regulating valve;
FIG. 4 is an exploded view of the differential pressure regulating valve;
FIG. 5 is a cross-sectional view of the valve tube;
FIG. 6 is a schematic view of the manner in which refrigerant passes through the differential pressure regulating valve;
FIG. 7 is a schematic structural view of a packing tube with check valves at both ends;
FIG. 8 is a schematic view of the structure of the joint between the packaging tube and the check valve;
FIG. 9 is a partial cross-sectional view after the packaging tube and the check valve are connected together;
reference numbers in the figures: the valve comprises a valve pipe 1, a push rod 2, a limiting spring 3, an adjusting nut 4, an annular boss 5, a conical end 6, a conical surface 7, a packaging pipe 8, an annular flange 9 and an annular groove 10; 11 is a one-way valve, 12 is connected with a nut, and 13 is provided with a horn-shaped port; 14 compressor, 15 condenser, 16 liquid storage device, 17 evaporator, 18 gas-liquid separator and 19 drying filter; 20 shell, 21 return air duct, 22 supply air duct, 23 circulating fan and 24 air outlet.
Detailed Description
The following examples are given to illustrate specific embodiments of the present invention, but are not intended to limit the scope of the present invention in any way. The elements of the apparatus referred to in the following examples are conventional elements of the apparatus unless otherwise specified.
Example 1: the rapid heating heat pump drying all-in-one machine, as shown in fig. 1 to 6, includes a casing 20, and a heat pump system disposed in the casing 20.
A transverse partition plate is arranged in the shell 20 to divide the inner space of the shell 20 into a lower inner circulation area and an upper outer circulation area; a return air inlet is arranged at the lower part of the side wall at one side of the internal circulation area, an air supply outlet is also arranged at one side of the upper part of the side wall where the return air inlet is positioned, a return air duct 21 communicated to the lower part of the inside of the drying room is arranged at the return air inlet, an air supply duct 22 communicated to the upper part of the inside of the drying room is arranged at the air supply outlet, and a circulating fan 23 is arranged in the air supply duct 22;
the heat pump system comprises a compressor 14, a condenser 15, a pressure difference regulating valve, an evaporator 17, a drying filter 19, a liquid storage device 16 and a gas-liquid separator 18 which are sequentially communicated through a refrigerant pipeline, wherein an outlet of the gas-liquid separator 18 is correspondingly connected with a gas return port of the compressor 14 to form a circulation loop;
the evaporator 17 is arranged in the external circulation area, an air outlet 24 is arranged at the top of the shell 20 of the external circulation area, and an air exhaust fan is arranged at the air outlet 24; other equipment of the heat pump system is disposed in the inner circulation zone, and a condenser 15 is disposed adjacent to the side wall where the return air inlet and the supply air outlet are located.
The evaporators 17 are divided into two groups, each group of evaporators 17 comprises two duct pieces which are arranged in a V shape, and the top of the shell 20 corresponding to the V-shaped opening of each group of evaporators 17 is provided with an air outlet 24 and an air exhaust fan; one side wall of the outer circulation area is a latticed ventilating plate.
The differential pressure regulating valve comprises a valve pipe 1, an ejector rod 2, a limiting spring 3, a regulating nut 4 and a packaging pipe 8, wherein the lower ends of the valve pipe 1 and the packaging pipe 8 are liquid inlets, and the upper ends of the valve pipe 1 and the packaging pipe 8 are liquid outlets; be equipped with annular boss 5 on the inner wall of valve pipe 1, in valve pipe 1 was penetrated by the inlet on the upper portion of spacing spring 3, the upper end top of spacing spring 3 was on annular boss 5, and the internal diameter of annular boss 5 is greater than the body of rod diameter of ejector pin 2. The upper end of the ejector rod 2 is provided with a conical end head 6, the inner wall of the top of the valve tube 1 is provided with a conical surface 7 matched with the conical end head 6, the lower end of the ejector rod 2 penetrates through the valve tube 1 and the limiting spring 3 and extends to the outside of the valve tube 1, the conical end head 6 is attached to the conical surface 7, and a gap for liquid inlet is reserved between the outer wall of the ejector rod 2 and the inner wall of the valve tube 1; the surface of the ejector rod 2 is provided with external threads, the adjusting nut 4 is rotatably sleeved on the ejector rod 2, and the lower end of the limiting spring 3 is abutted against the adjusting nut 4; the packaging tube 8 is sleeved outside the valve tube 1, the inner wall of the packaging tube 8 is fixedly covered with the outer wall of the valve tube 1, the outer diameter of the adjusting nut 4 is smaller than the inner diameter of the packaging tube 8, the liquid inlet end of the packaging tube 8 is connected with the tail end outlet of the condenser 15, and the liquid outlet end of the packaging tube 8 is connected with the front end inlet of the evaporator 17.
A set of reinforcing fixing portions is provided at each of upper and lower portions of the outer wall of the valve tube, the reinforcing fixing portions including two adjacent annular flanges 9, and an annular groove 10 formed between the two annular flanges 9. The shape of the tube body of the packaging tube 8 positioned outside the valve tube 1 is matched with the shape of the outer wall of the valve tube 1.
Example 2: a fast heating-up heat pump drying all-in-one machine, refer to fig. 7-9, both ends of the packaging tube 8 are equipped with the check valve 11 respectively, correspond to the coolant pipeline communicated to compressor 14 and condenser 15 and connect through the check valve 11, connect through the coupling nut 12 between packaging tube 8 and the check valve 11, there are trumpet-shaped ports 13 at the end of the packaging tube 8, the coupling nut 12 is fitted on the outside of body of the packaging tube 8, there are clamping surfaces matching with 13 shapes of trumpet-shaped ports on the inner wall of rear portion of the coupling nut 12, the trumpet-shaped ports 13 are clamped in the tubular interface of the check valve 11, the front portion of the coupling nut 12 is fixed with the tubular interface screw thread of the check valve 11. A rubber sealing ring is arranged between the clamping surface of the connecting nut 12 and the contact surface of the horn-shaped port 13 of the packaging tube 8.
The specific working mode of the rapid heating heat pump drying all-in-one machine is as follows:
the integrated machine is arranged at one side of a drying room, and a return air duct is communicated with an opening at the lower part of the side wall of the drying room and is used for pumping air in the drying room back to the shell of the dryer for heating; the air supply duct is communicated with an opening at the upper part of the side wall of the drying room and is used for supplying heated hot air into the drying room; the air return duct, the air supply duct and the side wall of the drying room are in sealed connection; after the drying-machine is opened, under circulating fan's effect, the air in the stoving room is taken out back to in the drying-machine casing, carries out the heat exchange with the condenser, realizes the heating of air, and in the air after the heating was sent back to the stoving room through the air supply wind channel, realized the circulation heating of air in the stoving room, dried the material in the stoving room. The right arrow in fig. 1 indicates the direction of air in the drying room entering and exiting the dryer.
Through setting up the pressure difference governing valve, when condenser exhaust refrigerant passes through the pressure difference governing valve, at first enter into the valve pipe from the lower extreme inlet of valve pipe inside, reach certain pressure after with the toper end of ejector pin upper end back-up, make the refrigerant produce pressure differential in both sides around the governing valve, the refrigerant of high pressure one side continues to keep the high-pressure state and liquefies rapidly and releases heat, can make the condenser heat up fast, improves work efficiency, the energy saving of heat pump. The drying machine using the heat pump system in the prior art generally needs 5-6 minutes to reach the normal working temperature after starting, but the drying machine using the heat pump system can shorten the starting time to 1 minute, when some materials are dried, the drying machine needs to work intermittently, if the drying machine needs to be shut down after being operated for 15 minutes after being started, the drying machine can be operated for 3 times and 30 times in ten hours, 4-5 minutes can be saved by adopting the heat pump system in the invention after being started, the on-off time can be saved for 2-2.5 hours every day, the working efficiency of the drying machine can be effectively improved, and the electric energy can be saved.
While the present invention has been described in detail with reference to the embodiments, those skilled in the art will appreciate that various changes can be made in the specific parameters of the embodiments without departing from the spirit of the present invention, and that various specific embodiments can be made, which are common variations of the present invention and will not be described in detail herein.
Claims (6)
1. A rapid heating-up heat pump drying all-in-one machine is characterized by comprising a shell and a heat pump system arranged in the shell,
a transverse partition plate is arranged in the shell to divide the inner space of the shell into a lower inner circulation area and an upper outer circulation area; a return air inlet is arranged at the lower part of the side wall at one side of the internal circulation area, an air supply outlet is also arranged at one side of the upper part of the side wall where the return air inlet is positioned, a return air duct communicated to the lower part inside the drying room is arranged at the return air inlet, an air supply duct communicated to the upper part inside the drying room is arranged at the air supply outlet, and a circulating fan is arranged in the air supply duct;
the heat pump system comprises a compressor, a condenser, a differential pressure regulating valve, an evaporator, a drying filter, a liquid storage device and a gas-liquid separator which are sequentially communicated through a refrigerant pipeline, wherein an outlet of the gas-liquid separator is correspondingly connected with a gas return port of the compressor to form a circulation loop;
the evaporator is arranged in the external circulation area, an air outlet is formed in the top of the shell of the external circulation area, and an air exhaust fan is mounted at the air outlet; other equipment of the heat pump system is arranged in the internal circulation area, and the condenser is arranged at a position adjacent to the side wall where the air return inlet and the air supply outlet are arranged;
the pressure difference regulating valve comprises a valve pipe, an ejector rod, a limiting spring, a regulating nut and a packaging pipe, wherein the lower ends of the valve pipe and the packaging pipe are liquid inlets, and the upper ends of the valve pipe and the packaging pipe are liquid outlets;
an annular boss is arranged on the inner wall of the valve pipe, the upper part of the limiting spring penetrates into the valve pipe through the liquid inlet, and the upper end of the limiting spring is propped against the annular boss; the upper end of the ejector rod is provided with a conical end, the inner wall of the top of the valve pipe is provided with a conical surface matched with the conical end, the lower end of the ejector rod penetrates through the valve pipe and the limiting spring and extends to the outside of the valve pipe, the conical end is attached to the conical surface, and a gap for liquid inlet is reserved between the outer wall of the ejector rod and the inner wall of the valve pipe; the surface of the ejector rod is provided with external threads, the adjusting nut is rotatably sleeved on the ejector rod, and the lower end of the limiting spring abuts against the adjusting nut;
the packaging pipe is sleeved outside the valve pipe, the inner wall of the packaging pipe and the outer wall of the valve pipe are fixedly covered, the outer diameter of the adjusting nut is smaller than the inner diameter of the packaging pipe, one liquid inlet end of the packaging pipe is connected with the tail end outlet of the condenser, and one liquid outlet end of the packaging pipe is connected with the front end inlet of the evaporator;
the two ends of the packaging pipe are respectively provided with a check valve, the packaging pipe is correspondingly connected with a refrigerant pipeline communicated to the condenser and the evaporator through the check valve, the packaging pipe is connected with the check valve through a connecting nut, the end part of the packaging pipe is provided with a horn-shaped port, the connecting nut is sleeved outside the pipe body of the packaging pipe, the inner wall of the rear part of the connecting nut is provided with a clamping surface matched with the horn-shaped port in shape, the horn-shaped port is clamped in a tubular interface of the check valve, and the front part of the connecting nut is in threaded connection and fixation with the tubular interface of the check valve.
2. The rapid-heating heat pump drying all-in-one machine as claimed in claim 1, wherein a rubber sealing ring is arranged between the clamping surface of the connecting nut and the contact surface of the horn-shaped port of the packaging tube.
3. The rapid heating-up heat pump drying all-in-one machine as claimed in claim 1, wherein the inner diameter of the annular boss is larger than the rod body diameter of the ejector rod.
4. The rapid-heating heat pump drying all-in-one machine according to claim 1, wherein a set of reinforcing fixing parts are respectively arranged at the upper part and the lower part of the outer wall of the valve pipe, and each reinforcing fixing part comprises two adjacent annular flanges and an annular groove formed between the two annular flanges.
5. The rapid heating-up heat pump drying all-in-one machine as claimed in claim 4, wherein the shape of the tube body of the packaging tube outside the valve tube is matched with the shape of the outer wall of the valve tube.
6. The rapid heating-up heat pump drying all-in-one machine as claimed in claim 1, wherein the evaporators are divided into two groups, each group of evaporators comprises two duct pieces arranged in a V shape, and the top of the shell corresponding to the V-shaped opening of each group of evaporators is provided with an air outlet and an air exhaust fan; and the side wall of one side of the outer circulation area is a latticed ventilating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911375994.4A CN111023724B (en) | 2019-12-27 | 2019-12-27 | Rapid heating-up heat pump drying all-in-one machine |
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|---|---|---|---|
| CN201911375994.4A CN111023724B (en) | 2019-12-27 | 2019-12-27 | Rapid heating-up heat pump drying all-in-one machine |
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| CN111023724A CN111023724A (en) | 2020-04-17 |
| CN111023724B true CN111023724B (en) | 2021-02-12 |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101000766B1 (en) * | 2008-03-06 | 2011-01-04 | 주식회사 아신이앤씨 | dryer for blowing cooled air |
| CN207422796U (en) * | 2017-11-16 | 2018-05-29 | 青岛瑞可莱餐饮配料有限公司 | A kind of food low-temperature air energy spray drying device |
| CN209558498U (en) * | 2018-10-24 | 2019-10-29 | 泰兴航空光电技术有限公司 | Radar electric ground air supply device |
| CN209310455U (en) * | 2018-11-29 | 2019-08-27 | 河南中瑞制冷科技有限公司 | A kind of composition open and close formula Analysis of Heat Pump Drying System being rapidly heated |
| CN211290799U (en) * | 2019-12-27 | 2020-08-18 | 许昌智工机械制造有限公司 | Rapid heating-up heat pump drying all-in-one machine |
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