CN214892485U

CN214892485U - Non-vacuum semi-open type heat pump drying device with far infrared heating device

Info

Publication number: CN214892485U
Application number: CN202120926313.5U
Authority: CN
Inventors: 袁德平; 邱哲元
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 a non-vacuum semi-open heat pump drying device with an infrared heating device, which comprises a heat regenerator, a condenser, an evaporator, a compressor and a far infrared heating device, wherein the heat regenerator, the condenser, the evaporator and the compressor are arranged outside a drying chamber; the drying chamber comprises an air inlet and an air outlet, the heat regenerator is respectively connected with the condenser and the air outlet, the condenser is respectively connected with the evaporator and the compressor, and the condenser is communicated with the air inlet. The utility model discloses a setting is at the outdoor regenerator of drying chamber, the condenser, the evaporimeter, the compressor and set up the far infrared heating device in the drying chamber, utilize far infrared heating device and regenerator, the condenser, the evaporimeter, the cooperation of compressor, have heat-conduction, thermal convection and heat radiation simultaneously in the drying chamber, improve drying rate, the degree of dryness of material, can provide the production efficiency energy saving, equipment technological requirement is low, equipment cost is low, can the streamlined operation, continuous drying material.

Description

Non-vacuum semi-open type heat pump drying device with far infrared heating device

Technical Field

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

Background

The semi-open type heat pump drying system on the market absorbs heat from an evaporator by utilizing a compression type refrigeration principle, then releases the heat and the work of a compressor into a drying chamber together through a condenser, heats materials and air in the drying chamber, increases the water dissolving rate of the air after temperature rise, volatilizes moisture in the materials into the air after the materials are heated, discharges wet air, and supplements the low-temperature dry air, thereby achieving the purpose of drying the materials.

However, the existing semi-open type heat pump drying system mainly heats materials through heat convection and heat conduction, and when the moisture content of the materials is lower than 15%, the semi-open type heat pump drying system has no energy efficiency advantage; 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 equipment manufacturing cost, high 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 to improve the drying speed and the dryness of the material, to provide production efficiency and energy saving, to have low requirements on equipment and process, to have low equipment cost, to perform streamlined operation, and to continuously dry the material.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a non-vacuum and take semi-open heat pump drying device of 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 semi-open type heat pump drying device comprises a heat regenerator, a condenser, an evaporator, a compressor and a far infrared heating device, wherein the heat regenerator, the condenser, the evaporator and the compressor are arranged outside a drying chamber; the drying chamber comprises an air inlet and an air outlet, the heat regenerator is respectively connected with the condenser and the air outlet, the condenser is respectively connected with the evaporator and the compressor, and the condenser is communicated with the air inlet.

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

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

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

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

The further technical scheme is as follows: the condenser is connected with the air outlet.

The further technical scheme is as follows: the heat regenerator is provided with a first air outlet, and the first air outlet is connected with a fan.

The further technical scheme is as follows: and a conveying chain is arranged in the drying chamber.

The further technical scheme is as follows: and an axial flow fan is arranged on one side of the evaporator.

Compared with the prior art, the utility model beneficial effect be: the utility model discloses a setting is at the outdoor regenerator of drying chamber, the condenser, the evaporimeter, the compressor and set up the far infrared heating device in the drying chamber, utilize far infrared heating device and regenerator, the condenser, the evaporimeter, the cooperation of compressor, have heat-conduction, thermal convection and heat radiation simultaneously in the drying chamber, improve drying rate, the degree of dryness of material, can provide the production efficiency energy saving, equipment technological requirement is low, equipment cost is low, can the streamlined operation, continuous drying material.

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 non-vacuum semi-open heat pump drying device with a far infrared heating device according to an 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 heat regenerator; 30. a condenser; 40. an evaporator; 50. a compressor; 60. a far infrared heat generating device; 70. a throttle valve; 80. a centrifugal fan; 90. a fan; 100. a conveyor chain; 110. an axial flow fan.

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 non-vacuum semi-open heat pump drying device with a far infrared heating device 60 according to an embodiment of the present invention. This non-vacuum just takes semi-open heat pump drying device of 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 drying chamber 10, utilizes far infrared thermal radiation reinforcing to treat the interior water molecule motion of stoving material, improves semi-open heat pump drying system's efficiency.

Referring to fig. 1, the above-mentioned non-vacuum semi-open heat pump drying device with far infrared heating device 60 is characterized in that it includes a heat regenerator 20, a condenser 30, an evaporator 40, a compressor 50 and a far infrared heating device 60 disposed in the drying chamber 10, which are disposed outside the drying chamber 10; the drying chamber 10 includes an air inlet 11 and an air outlet 12, the heat regenerator 20 is respectively connected with the condenser 30 and the air outlet 12, the condenser 30 is respectively connected with the evaporator 40 and the compressor, and the condenser 30 is communicated with the air inlet 11.

The far infrared heating device 60 is arranged in the drying chamber 10, the heat pump drying system composed of the heat regenerator 20, the condenser 30, the evaporator 40, the compressor 50 and the like is arranged outside the drying chamber 10, and the far infrared heating device 60 is combined with the heat pump drying system, so that the drying speed and the dryness of materials are improved, the production efficiency is improved, and energy is saved. Compared with vacuum drying equipment, the whole device has low equipment process requirement and low equipment cost, and can perform streamlined operation and continuously dry materials.

In this embodiment, the far infrared heating device 60 is a device that is driven by electric energy to excite energy, and mainly radiates far infrared rays outwards.

A certain number of far infrared heating devices 60 are placed in the drying chamber 10, and are distributed according to the flowing direction of the dehumidification circulating gas and the position of the material, so as to facilitate heat exchange and moisture discharge, and are complementary to the heat pump drying system, so that the heat pump drying system is only provided with short plates for heat convection and heat conduction.

In one embodiment, referring to fig. 1, a throttle valve 70 is connected between the condenser 30 and the evaporator 40. The throttle valve 70 is to reduce the pressure of the refrigerating duct, that is, the refrigerating duct of the condenser 30 connected to the evaporator 40.

In an embodiment, referring to fig. 1, the condenser 30 is connected to the air inlet 11 through a first air duct 13.

In an embodiment, referring to fig. 1, the condenser 30 is connected to one end of the first air duct 13 through a centrifugal fan 80.

The heat released by the condenser 30 circulates to the drying chamber 10 by the driving of the centrifugal fan 80, the heat is transferred to the material to be dried by heat conduction and heat convection, and meanwhile, the far infrared heating device 60 in the drying chamber 10 releases far infrared heat radiation, so that the drying chamber 10 has heat conduction, heat convection and heat radiation at the same time, and the drying speed of the material and the dryness of the material are greatly improved.

In an embodiment, referring to fig. 1, the regenerator 20 is connected to the air outlet 12 through a second air duct 14.

In one embodiment, referring to fig. 1, the condenser 30 is connected to the air outlet 12.

In an embodiment, referring to fig. 1, the heat regenerator 20 has a first air outlet 12, and the first air outlet 12 is connected to a fan 90.

Water molecules in the material are volatilized into the air in the drying chamber 10 and then are converged into the condenser 30 through the second air duct 14; before the air enters the condenser 30, when the air in the drying chamber 10 reaches a certain temperature and humidity, the fan 90 at the air outlet 12 of the heat regenerator 20 is opened, the damp and hot air is discharged out of the drying chamber 10, and due to the difference between the internal pressure and the external pressure, outdoor dry and cold air is sucked into the other side of the heat regenerator 20 and enters the condenser 30 for circular heating, and the heat regenerator 20 can transfer a part of heat of the discharged damp and hot air into the sucked dry and cold air, so that the energy efficiency of the system is improved.

In one embodiment, referring to fig. 1, the drying chamber 10 is provided with a conveying chain 100. The material may be transported on a conveyor chain 100 for low temperature drying in the drying chamber 10.

In an embodiment, referring to fig. 1, an axial flow fan 110 is disposed at one side of the evaporator 40.

In this embodiment, the number of the air inlets 11 is three, and the number of the air outlets 12 is two; 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.

Specifically, the refrigerant inlet of the condenser 30 is connected to the compressor 50, the refrigerant outlet of the condenser 30 is connected to the throttle valve 70, the main air outlet of the condenser 30 is connected to the centrifugal fan 80, and the main air inlet of the condenser 30 is connected to the second air duct 14; the air inlet of the heating pipe of the evaporator 40 is connected with the throttle valve, and the air outlet of the heating pipe of the evaporator 40 is connected with the compressor 50.

The working principle of the semi-open type heat pump drying device with the infrared heating device and the non-vacuum function is as follows: the compressor 50 compresses the gaseous refrigerant to a high-temperature high-pressure gaseous state, the gaseous refrigerant enters the condenser 30 and releases heat to flowing air in the circulating air duct, then the refrigerant is changed into a low-temperature high-pressure liquid state through phase change, the pressure of a refrigeration pipeline is reduced after passing through the throttle valve 70, the refrigerant is changed into a gaseous state through absorbing energy of the evaporator 40, and then the gaseous refrigerant returns to the compressor 50 to enter the next circulation period, the heating capacity is equal to the heat absorbed by the evaporator 40 plus the work of the compressor 50, the air heat is conveyed into the drying chamber 10, and a large amount of electric energy is saved; the heat released by the condenser 30 is circulated into the drying chamber 10 by the driving of the centrifugal fan 80, the heat is transferred to the material to be dried by heat conduction and heat convection, and meanwhile, the far infrared heating device 60 in the drying chamber 10 releases far infrared heat radiation, so that the heat conduction, heat convection and heat radiation are simultaneously realized in the drying chamber 10, and the drying speed of the material and the dryness of the material are greatly improved; water molecules in the material are volatilized into the air in the drying chamber 10 and then are converged into the condenser 30 through the second air duct 14; before the air enters the condenser 30, when the air in the drying chamber 10 reaches a certain temperature and humidity, the fan 90 at the air outlet 12 of the heat regenerator 20 is opened, the damp and hot air is discharged out of the drying chamber 10, and due to the difference between the internal pressure and the external pressure, outdoor dry and cold air is sucked into the other side of the heat regenerator 20 and enters the condenser 30 for circular heating, and the heat regenerator 20 can transfer a part of heat of the discharged damp and hot air into the sucked dry and cold air, so that the energy efficiency of the system is improved.

According to the non-vacuum semi-open heat pump drying device with the infrared heating device, the heat regenerator 20, the condenser 30, the evaporator 40, the compressor 50 and the far infrared heating device 60 arranged outside the drying chamber 10 are matched with the heat regenerator 20, the condenser 30, the evaporator 40 and the compressor 50, so that heat conduction, heat convection and heat radiation are simultaneously realized in the drying chamber, the drying speed and the dryness of materials are improved, the production efficiency and the energy are saved, the equipment process requirement is low, the equipment cost is low, and the running operation and the continuous drying of the materials can be realized.

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. A non-vacuum semi-open type heat pump drying device with a far infrared heating device is characterized by comprising a heat regenerator, a condenser, an evaporator, a compressor and the far infrared heating device, wherein the heat regenerator, the condenser, the evaporator and the compressor are arranged outside a drying chamber; the drying chamber comprises an air inlet and an air outlet, the heat regenerator is respectively connected with the condenser and the air outlet, the condenser is respectively connected with the evaporator and the compressor, and the condenser is communicated with the air inlet.

2. The drying device of claim 1, wherein a throttle valve is connected between the condenser and the evaporator.

3. The non-vacuum semi-open heat pump drying device with the far infrared heating device as claimed in claim 1, wherein the condenser is communicated with the air inlet through a first air duct.

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

5. The non-vacuum semi-open heat pump drying device with the far infrared heating device according to claim 1, wherein the heat regenerator is connected with the air outlet through a second air duct.

6. The drying device of claim 5, wherein the condenser is connected to the air outlet.

7. The non-vacuum semi-open type heat pump drying device with the far infrared heating device as claimed in claim 1, wherein the heat regenerator is provided with a first air outlet, and the first air outlet is connected with a fan.

8. The non-vacuum semi-open type heat pump drying device with the far infrared heating device as claimed in claim 1, wherein a conveying chain is installed in the drying chamber.

9. The non-vacuum semi-open type heat pump drying device with the far infrared heating device as claimed in claim 1, wherein an axial flow fan is arranged at one side of the evaporator.