CN214892438U

CN214892438U - Non-vacuum closed heat pump drying equipment with far infrared heating device

Info

Publication number: CN214892438U
Application number: CN202120925500.1U
Authority: CN
Inventors: 邱哲元; 袁德平
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-11-26
Anticipated expiration: 2031-04-29

Abstract

The embodiment of the utility model discloses non-vacuum and take far infrared device that generates heat's closed heat pump drying equipment, including setting up at the compressor outside communicating drying chamber with the atmosphere, heat exchanger, condenser, evaporimeter and set up the far infrared device that generates heat in the drying chamber, the compressor is connected with evaporimeter and heat exchanger respectively, and the heat exchanger is connected with the condenser, and the evaporimeter is connected with the condenser, and the drying chamber is equipped with air outlet and air intake, condenser and air intake connection, evaporimeter and air outlet connection. The utility model discloses utilize the far infrared device that generates heat and the heat pump drying system that compressor, heat exchanger, condenser, evaporimeter outside the drying chamber constitute to combine together, treat the interior water molecule motion of drying material with the help of far infrared heat radiation reinforcing of far infrared device, realize providing production efficiency energy saving, equipment cost is low, can streamlined operation and continuous drying material, output is high.

Description

Non-vacuum closed heat pump drying equipment with far infrared heating device

Technical Field

The utility model relates to a low temperature drying equipment technical field especially relates to a closed heat pump drying equipment of non-vacuum and area far infrared device that generates heat.

Background

A closed heat pump drying system on the market utilizes a compression type refrigeration principle, is beneficial to an evaporator to remove moisture of circulating air and absorb heat, releases the heat absorbed by the evaporator through a condenser after the operation of the compressor, so that low-temperature dry air enters the condenser to be heated into hot air and then enters a drying chamber, the water dissolving rate of the air after temperature rise is increased, the material is heated through heat convection and heat conduction, the moisture in the material is evaporated into the air to form high-temperature wet air, the high-temperature wet air enters the evaporator again to carry out the next drying period, but the material is heated mainly through the heat convection and the heat conduction, and the equipment has no energy efficiency advantage when the moisture content of the material is lower than 15%; in addition, the vacuum drying equipment can improve the dryness of the materials by utilizing the characteristic that the higher the vacuum degree is, the lower the moisture evaporation temperature is, but the equipment has the defects of high manufacturing cost and use cost, low yield due to a series of steps of injecting wet materials, vacuumizing, heating and dehumidifying, discharging dry materials and the like.

Therefore, it is necessary to design a new device, which can provide production efficiency, save energy, have low cost, can streamline operation and continuously dry materials, and has high yield.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a closed heat pump drying equipment of non-vacuum and take far infrared device that generates heat.

In order to solve the technical problem, the purpose of the utility model is realized through following technical scheme: the utility model provides a closed heat pump drying equipment of non-vacuum and area far infrared device that generates heat, including setting up compressor, heat exchanger, condenser, the evaporimeter outside the drying chamber and setting up far infrared device that generates heat in the drying chamber, the compressor respectively with the evaporimeter and the heat exchanger is connected, the heat exchanger with the condenser is connected, the evaporimeter with the condenser is connected, be equipped with air outlet and air intake on the drying chamber, the condenser with air intake connection, the evaporimeter with the air outlet is connected.

The further technical scheme is as follows: the condenser is connected with the air inlet through a first air channel.

The further technical scheme is as follows: the condenser is connected with a centrifugal fan, and the centrifugal fan is connected with one end of the first air channel.

The further technical scheme is as follows: and a throttle valve is connected between the evaporator and the condenser.

The further technical scheme is as follows: the evaporator is connected with the air outlet through a second air duct.

The further technical scheme is as follows: the heat exchanger is connected with a cooling tower.

The further technical scheme is as follows: the heat exchanger is connected with the cooling tower through a water pump.

The further technical scheme is as follows: still include the vent valve, the vent valve with the evaporimeter is parallelly connected.

The further technical scheme is as follows: the drying chamber is internally provided with a conveying chain and is provided with a feeding hole and a discharging hole.

Compared with the prior art, the utility model beneficial effect be: the utility model discloses a set up at the outdoor compressor of drying chamber, the heat exchanger, the condenser, the evaporimeter and set up the far infrared heating device in the drying chamber, the heat pump drying system who utilizes far infrared heating device and the outdoor compressor of drying chamber, the heat exchanger, the condenser, the evaporimeter constitutes combines together, treat the interior water molecule motion of drying material with the help of far infrared heating device's far infrared thermal radiation reinforcing, realize providing the production efficiency energy saving, equipment cost is low, can streamlined operation and continuous drying material, output is high.

The invention is further described with reference to the accompanying drawings and specific embodiments.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 is a schematic block diagram of a closed heat pump drying device which is not vacuum and has a far infrared heating device according to a first embodiment of the present invention;

fig. 2 is a schematic block diagram of a closed heat pump drying apparatus with a far infrared heating device and a non-vacuum device provided by the second embodiment of the present invention.

The labels in the figures illustrate:

10. a drying chamber; 11. an air inlet; 12. an air outlet; 13. a first air duct; 14. a second air duct; 20. a compressor; 30. a heat exchanger; 40. a condenser; 50. an evaporator; 60. a far infrared heat generating device; 70. a throttle valve; 80. a centrifugal fan; 90. a vent valve; 100. a conveyor chain; 110. a water pump; 120. and (5) cooling the tower.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in the specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

Referring to fig. 1, fig. 1 is a schematic block diagram of a closed heat pump drying apparatus with a far infrared heating device 60 and no vacuum according to an embodiment of the present invention; this closed heat pump drying equipment of non-vacuum and area far infrared device 60 that generates heat can use in the scene of low temperature stoving, adds the far infrared device 60 that generates heat in the drying chamber 10 of equipment, utilizes the interior water molecule motion of far infrared thermal radiation reinforcing treat the stoving material to improve heat pump drying system's efficiency and effect.

Referring to fig. 1, the closed heat pump drying equipment with a non-vacuum far infrared heating device 60 is characterized by comprising a compressor 20, a heat exchanger 30, a condenser 40, an evaporator 50 and the far infrared heating device 60, wherein the compressor 20, the heat exchanger 30, the condenser 40, the evaporator 50 and the far infrared heating device 60 are arranged outside a drying chamber 10, the compressor 20 is respectively connected with the evaporator 50 and the heat exchanger 30, the heat exchanger 30 is connected with the condenser 40, the evaporator 50 is connected with the condenser 40, the drying chamber 10 is provided with an air outlet 12 and an air inlet 11, the condenser 40 is connected with the air inlet 11, and the evaporator 50 is connected with the air outlet 12.

The far infrared heating device 60 is an energy driven and excited by electric energy, mainly radiates energy outwards by far infrared rays, and can heat the interior of a material due to the long wavelength and strong penetrating power of the far infrared rays, and the far infrared heating device 60 is arranged in the drying chamber 10 and is combined with a heat pump drying system consisting of a compressor 20, a heat exchanger 30, a condenser 40 and an evaporator 50 outside the drying chamber 10, so that the drying speed and the dryness of the material are improved, the production efficiency is improved, and energy is saved; compared with vacuum drying equipment, the whole equipment has low equipment process requirement and low equipment cost, and can perform streamlined operation and continuously dry materials.

In one embodiment, referring to fig. 1, the condenser 40 is connected to the air inlet 11 through the first air duct 13. The first air duct 13, the second air duct 14 and the circulating air duct in the drying chamber 10 form an internal and external circulating structure.

In an embodiment, referring to fig. 1, the condenser 40 is connected to a centrifugal fan 80, and the centrifugal fan 80 is connected to one end of the first air duct 13.

The hot air heated by the condenser 40 is driven by the centrifugal fan 80 to flow into the drying chamber 10, and the heat is transferred to the material to be dried through heat convection and heat conduction, and meanwhile, the far infrared heating device 60 placed in the drying chamber 10 heats the interior of the material through heat radiation, and the air and the temperature rise of the material continuously evaporate the moisture in the material and volatilize the moisture into the air.

In one embodiment, referring to fig. 1, a throttle valve 70 is connected between the evaporator 50 and the condenser 40, and the throttle valve 70 is used to reduce the pressure of the refrigeration pipeline, that is, the pressure of the refrigeration pipeline connecting the condenser 40 and the evaporator 50.

In an embodiment, referring to fig. 1, the evaporator 50 is connected to the air outlet 12 through the second air duct 14.

In one embodiment, referring to fig. 1, the heat exchanger 30 is connected to a cooling tower 120.

Specifically, the heat exchanger 30 is connected to the cooling tower 120 by a water pump 110.

In one embodiment, referring to fig. 1, a conveyor chain 100 is disposed within the drying chamber 10. The materials can be placed on the conveying chain 100 for transmission so as to be dried at low temperature in the drying chamber 10, the drying chamber 10 is provided with a feeding hole and a discharging hole, and the conveying chain 100 is communicated with the external environment through the feeding hole and the discharging hole.

In an embodiment, referring to fig. 1, the number of the air outlets 12 is two, and the number of the air inlets 11 is three. Of course, in other embodiments, the number of the air inlets 11 may be other numbers, and the number of the air outlets 12 may also be other numbers.

The drying chamber 10 is provided with a feeding hole and a discharging hole, the drying chamber 10 is of a non-vacuum structure, the interior of the drying chamber 10 comprises a conveying line which can convey materials from the feeding hole to the discharging hole, in addition, a far infrared heating device 60 and a circulating air channel are arranged in the drying chamber 10, hot air heated by a condenser 40 is driven by a centrifugal fan 80 to flow into the drying chamber 10, heat is transferred to the materials to be dried through heat convection and heat conduction, meanwhile, the far infrared heating device 60 arranged in the drying chamber 10 heats the interior of the materials through heat radiation, moisture in the materials is continuously evaporated and volatilized into the air through the temperature rise of the air and the materials, damp and hot air flows into the evaporator 50 through a second air channel 14, when the evaporation temperature of the evaporator 50 is lower than the dew point temperature of the damp and hot air, water molecules in the damp and hot air are condensed and separated out through a related drainage pipeline, so as to achieve the drying effect; when the temperature of the drying chamber 10 reaches a certain value, in order to ensure the dehumidification capability of the evaporator 50 of the heat pump system, the water pump 110 can be started to drive the cold water in the cooling tower 120 to flow through the heat exchanger 30, and the redundant heat in the heat pump system is released through the cooling tower 120; the drying speed and the dryness of the materials are improved, the production efficiency can be improved, the energy is saved, the equipment and process requirements are low, the equipment cost is low, and the materials can be continuously dried in a streamlined operation.

Referring to fig. 2, fig. 2 is a schematic block diagram of a closed heat pump drying apparatus with a far infrared heating device 60 and no vacuum according to an embodiment of the present invention. The difference between the second embodiment and the first embodiment is that:

the non-vacuum closed heat pump drying equipment with the far infrared heating device 60 further comprises a ventilation valve 90, and the ventilation valve 90 is connected with the evaporator 50 in parallel.

The working principle of the closed heat pump drying equipment with the far infrared heating device 60 and no vacuum in the second embodiment is as follows:

the hot air heated by the condenser 40 is driven by a fan to flow into the drying chamber 10, the heat is transferred to the material to be dried through thermal convection and thermal conduction, meanwhile, the far infrared heating device 60 placed in the drying chamber 10 heats the interior of the material through thermal radiation, the moisture in the material is continuously evaporated and volatilized into the air through the temperature rise of the air and the material, the damp and hot air flows into the evaporator 50 through the second air duct 14, when the evaporation temperature of the evaporator 50 is lower than the dew point temperature of the damp and hot air, water molecules in the damp and hot air are condensed and separated out and are discharged through a related drainage pipeline, when the temperature rise speed of the air is higher, the heat absorption of the material is less, the heat passing through the evaporator 50 can be reduced by opening the ventilation valve 90 connected with the evaporator 50 in parallel, and the efficiency and the stability of the heat pump system are improved; when the temperature of the drying chamber 10 reaches a certain value, in order to ensure the dehumidification capability of the evaporator 50 of the heat pump system, the water pump 110 may be turned on to drive the cold water in the cooling tower 120 to flow through the heat exchanger 30, and the excess heat in the heat pump system is released through the cooling tower 120.

In an embodiment, referring to fig. 1 and fig. 2, the air inlet of the heating pipe of the evaporator 50 is connected to the throttle valve 70, the air outlet of the heating pipe of the evaporator 50 is connected to the compressor 20, the main air inlet of the evaporator 50 is connected to the second air duct 14, the main air outlet of the evaporator 50 is connected to the main air inlet of the condenser 40, the main air outlet of the condenser 40 is connected to the centrifugal fan 80, the refrigerant inlet of the condenser 40 is connected to the heat exchanger 30, and the refrigerant outlet of the condenser 40 is connected to the throttle valve 70.

According to the closed heat pump drying equipment with the non-vacuum far infrared heating device 60, the compressor 20, the heat exchanger 30, the condenser 40, the evaporator 50 and the far infrared heating device 60 are arranged outside the drying chamber 10, the heat pump drying system consisting of the far infrared heating device 60, the compressor 20, the heat exchanger 30, the condenser 40 and the evaporator 50 outside the drying chamber 10 is combined with the far infrared heating device 60, the motion of water molecules in the material to be dried is enhanced by means of the far infrared heat radiation of the far infrared heating device 60, the production efficiency is improved, energy is saved, the equipment cost is low, the streamlined operation and the material continuous drying can be realized, and the yield is high.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a closed heat pump drying equipment of non-vacuum and area far infrared device that generates heat, its characterized in that is in including setting up compressor, heat exchanger, condenser, the evaporimeter outside the communicating drying chamber with the atmosphere and setting up far infrared device that generates heat in the drying chamber, the compressor respectively with the evaporimeter and the heat exchanger is connected, the heat exchanger with the condenser is connected, the evaporimeter with the condenser is connected, be equipped with air outlet and air intake on the drying chamber, the condenser with air intake connection, the evaporimeter with the air outlet is connected.

2. The closed heat pump drying equipment with the far infrared heating device and the non-vacuum as claimed in claim 1, wherein the condenser is connected with the air inlet through a first air duct.

3. The closed heat pump drying equipment with the far infrared heating device and the non-vacuum as claimed in claim 2, wherein the condenser is connected with a centrifugal fan, and the centrifugal fan is connected with one end of the first air duct.

4. The closed heat pump drying equipment with the far infrared heating device and no vacuum as claimed in claim 1, wherein a throttle valve is connected between the evaporator and the condenser.

5. The closed heat pump drying equipment with the far infrared heating device and the non-vacuum as claimed in claim 1, wherein the evaporator is connected with the air outlet through a second air duct.

6. The closed heat pump drying equipment with the far infrared heating device and without vacuum as claimed in claim 1, wherein the heat exchanger is connected with a cooling tower.

7. The closed heat pump drying equipment with the far infrared heating device and without vacuum as claimed in claim 6, wherein the heat exchanger is connected with the cooling tower through a water pump.

8. The closed heat pump drying equipment with the far infrared heating device and no vacuum as claimed in claim 1, further comprising a ventilation valve, wherein the ventilation valve is connected in parallel with the evaporator.

9. The closed heat pump drying equipment with the far infrared heating device and the non-vacuum as claimed in claim 1, wherein a production line is arranged in the drying chamber, and the drying chamber is provided with a feeding port and a discharging port.