CN216716815U

CN216716815U - Drying machine

Info

Publication number: CN216716815U
Application number: CN202123368040.6U
Authority: CN
Inventors: 赵密升; 梁芝瑞; 李斯; 李建国; 张远忠
Original assignee: Guangdong New Energy Technology Development Co Ltd
Current assignee: Guangdong Newente New Energy Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-06-10
Anticipated expiration: 2031-12-29

Abstract

The application relates to the technical field of drying equipment, in particular to a dryer, which comprises a machine shell, a drying bin, a condenser, an evaporator and a heat recovery and dehumidification assembly; a fresh air inlet is arranged on the casing; the heat recovery and dehumidification assembly comprises a heat recovery heat exchanger, a coaming and a dehumidification fan; the heat recovery heat exchanger and the dehumidifying fan respectively form a heat absorption channel and a heat supply channel which can exchange heat with the surrounding plate; the inlet of the heat absorption channel is communicated with the fresh air inlet; the outlet of the heat absorption channel is communicated with the inlet of the condenser; the outlet of the condenser is communicated with the inlet of the drying bin; the drying bin is provided with a return air inlet communicated with the inlet of the condenser and the inlet of the heat supply channel; the outlet of the heat supply channel is communicated with the inlet of the evaporator. This application absorbs the surplus heat of airing exhaust for the heat of the return air in the hot aisle and the refrigerant in the evaporimeter through the new trend, has solved effectively and has had the technical problem that energy waste and drying efficiency are low among the prior art.

Description

Drying machine

Technical Field

The application relates to the technical field of drying equipment, in particular to a dryer.

Background

The air energy dryer is mainly equipment for drying articles, and the air energy dryer is used for separating out water in the articles and discharging the water out of a board room through dry hot air circulation generated by a heat pump on the articles in a relatively closed heat preservation board room, so that the purposes of dehumidification and drying are achieved. The ordinary dryer does not have a fresh air heat exchanger, and the directly discharged humid air contains more heat, so that the direct discharge not only causes energy waste, but also causes low drying efficiency.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the present application is to provide a dryer, which is used to solve the technical problems of energy waste and low drying efficiency in the prior art.

In order to achieve the purpose, the application provides the following technical scheme:

a dryer comprises a machine shell, a drying bin, a condenser, an evaporator and a heat recovery dehumidifying component;

a fresh air inlet is formed in the shell;

the heat recovery and dehumidification assembly comprises a heat recovery heat exchanger, a coaming and a dehumidification fan;

the heat recovery heat exchanger and the dehumidifying fan respectively form a heat absorption channel and a heat supply channel which can exchange heat with the surrounding plate;

the inlet of the heat absorption channel is communicated with the fresh air inlet;

the outlet of the heat absorption channel is communicated with the inlet of the condenser;

the outlet of the condenser is communicated with the inlet of the drying bin;

the drying bin is provided with a return air inlet communicated with the inlet of the condenser and the inlet of the heat supply channel;

the outlet of the heat supply channel is communicated with the inlet of the evaporator.

Preferably, in the above-mentioned dryer, the enclosing plate includes a plurality of heat conducting plates;

a ventilation channel is formed between every two adjacent heat conduction plates;

the ventilation channel comprises the heat absorption channel and the heat supply channel which are not communicated with each other.

Preferably, in the above drying machine, an air intake direction of the heat absorption channel is perpendicular to an air exhaust direction of the heat supply channel.

Preferably, in the above dryer, the heat absorbing path and the heat supplying path are staggered with each other in an up-down direction.

Preferably, in the above dryer, the evaporator is provided with an evaporation fan.

Preferably, in the above dryer, the drying compartment is disposed inside or outside the cabinet.

Preferably, in the above dryer, a compression system is further included;

the compression system comprises a compressor and a refrigerant pipeline, wherein the compressor is used for conveying the refrigerant in the refrigerant pipeline from the condenser to the evaporator, so that the refrigerant circulates in the refrigerant pipeline.

Preferably, in the above dryer, the compression system further comprises a four-way valve, a reservoir, a filter, a throttle valve and a gas-liquid separator;

the compressor, the condenser, the liquid storage device, the filter, the throttle valve, the evaporator and the gas-liquid separator are connected through the refrigerant pipeline.

Compared with the prior art, the beneficial effect of this application is:

the application provides a dryer, when a unit enters a dehumidification mode, in return air from a drying bin, most of the return air with high temperature and high humidity enters a condenser again through a return air inlet, part of the return air with high temperature and high humidity is output into a heat supply channel through a return air inlet, meanwhile, fresh air input from the outside enters into a heat absorption channel, so that the fresh air in the heat absorption channel can absorb the heat of the return air in the heat supply channel and heat up the return air, and then the return air is heated again through the condenser and conveyed to the drying bin to dry materials, and in the process, the primary heat recycling of the return air is realized; and the return air after giving the heat is discharged to the evaporator through the dehumidification fan, and the refrigerant in the evaporator absorbs the residual heat in the exhaust air, thereby realizing the secondary heat recycling of the return air, having the advantages of high heat reuse rate and high drying efficiency, and effectively solving the technical problems of energy waste and low drying efficiency in the prior art.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a dryer according to an embodiment of the present disclosure;

fig. 2 is a schematic view illustrating an air intake direction of a heat absorption channel of a dryer according to an embodiment of the present disclosure;

fig. 3 is a schematic view of an air exhaust direction of a heat supply channel of a dryer according to an embodiment of the present application;

fig. 4 is a schematic view illustrating a wind direction flow of a dryer according to an embodiment of the present disclosure;

fig. 5 is a schematic structural diagram of a compression system of a dryer according to an embodiment of the present disclosure.

In the figure:

1. a heat recovery heat exchanger; 2. enclosing plates; 3. a moisture removal fan; 4. a heat recovery dehumidifying component; 5. a compression system; 51. a compressor; 52. a four-way valve; 53. a reservoir; 54. a filter; 55. a throttle valve; 56. a gas-liquid separator; 57. a refrigerant pipe; 6. an evaporator; 61. an evaporation fan; 7. an air return inlet; 8. a condenser.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 5, an embodiment of the present application provides a dryer, which includes a cabinet, a drying chamber, a condenser 8, an evaporator 6, and a heat recovery dehumidifying component 4; a fresh air inlet is arranged on the casing; the heat recovery dehumidifying component 4 comprises a heat recovery heat exchanger 1, a coaming 2 and a dehumidifying fan 3; the heat recovery heat exchanger 1 and the dehumidifying fan 3 respectively form a heat absorption channel and a heat supply channel with the coaming 2, wherein the heat absorption channel and the heat supply channel can exchange heat mutually; the inlet of the heat absorption channel is communicated with the fresh air inlet; the outlet of the heat absorption channel is communicated with the inlet of the condenser 8; the outlet of the condenser 8 is communicated with the inlet of the drying bin; the drying bin is provided with a return air inlet 7 communicated with an inlet of the condenser 8 and an inlet of the heat supply channel; the outlet of the heat-feeding channel communicates with the inlet of the evaporator 6.

More specifically, the condenser 8, the evaporator 6 and the heat recovery dehumidifying component 4 are all disposed in the cabinet; under the driving action of the power of the moisture exhaust fan 3, a small part of the high-temperature high-humidity return air is discharged into the heat supply channel, and a large part of the high-temperature high-humidity return air flows back to the condenser 8 again.

In the embodiment, when the unit enters a dehumidification mode, most of the return air with high temperature and high humidity from the drying bin enters the condenser 8 again through the return air inlet 7, part of the return air with high temperature and high humidity is output into the heat supply channel through the return air inlet 7, meanwhile, the fresh air input from the outside enters the heat absorption channel, so that the fresh air in the heat absorption channel can absorb the heat of the return air in the heat supply channel and heat up the return air, and then the return air is heated and conveyed to the drying bin through the condenser 8 again to dry the material, and in the process, the primary heat of the return air is recycled; and the return air after giving the heat is arranged to the evaporator 6 through the dehumidifying fan 3, and the refrigerant in the evaporator 6 absorbs the residual heat in the exhaust air, thereby realizing the secondary heat recycling of the return air, having the advantages of high heat reuse rate and high drying efficiency, and effectively solving the technical problems of energy waste and low drying efficiency in the prior art.

Further, in the present embodiment, referring to fig. 2 and fig. 3, the surrounding plate 2 includes a plurality of heat conducting plates; a ventilation channel is formed between two adjacent heat conduction plates; the ventilation channel comprises a heat absorption channel and a heat supply channel which are not communicated with each other. The heat-conducting plate can be formed by an aluminum foil plate with better heat-conducting property, so that the heat-conducting plate can be utilized to exchange heat between the heat-absorbing channel and the heat-supplying channel, and the fresh air can absorb the heat in the return air more easily, thereby achieving the purpose of heat recovery.

Further, in this embodiment, please refer to fig. 2 and fig. 3, the air intake direction of the heat absorbing channel is perpendicular to the air exhaust direction of the heat supplying channel. The direction from the surface A to the surface B is the air inlet direction of the heat absorption channel, namely the surface A is provided with an inlet of the heat absorption channel, and the surface B is provided with an outlet of the heat absorption channel; the exhaust wet fan 3 is the exhaust direction of the heat supply channel from the surface C, namely the inlet of the heat supply channel is connected with the exhaust wet fan 3, and the outlet of the heat supply channel is formed on the surface C. The arrangement enables the heat absorption channel and the heat supply channel to be formed on three different surfaces of the heat recovery heat exchanger 1 respectively, so that heat exchange between the heat absorption channel and the heat supply channel can be well carried out while the heat absorption channel and the heat supply channel are prevented from not influencing each other and not crossing air.

Further, in this embodiment, referring to fig. 2 and fig. 3, the heat absorbing channels and the heat supplying channels are arranged in a staggered manner in the up-down direction, that is, the heat absorbing channels and the heat supplying channels are arranged in a staggered manner in the up-down direction. The heat absorption channel and the heat supply channel can be effectively enlarged in contact area, heat exchange efficiency between the heat absorption channel and the heat supply channel is improved, and heat recovery effect of fresh air to return air is guaranteed.

Further, in the present embodiment, referring to fig. 4 and 5, the evaporator 6 is provided with an evaporation fan 61.

Further, in this embodiment, the drying compartment is disposed inside or outside the cabinet. The drying bin can be arranged in the shell, the condenser 8 and the heat supply channel are connected with the drying bin through an internal pipeline, and the requirement of drying materials in the shell can be met; the stoving storehouse also can set up in the outside of casing, and condenser 8 and for the hot passageway to be connected with the stoving storehouse through external pipeline, can satisfy the demand of drying the operation to the material outside the casing.

Further, in the present embodiment, please refer to fig. 5, further comprising a compression system 5; the compression system 5 includes a compressor 51 and a refrigerant pipeline 57, and the compressor 51 is configured to convey a refrigerant in the refrigerant pipeline 57 from the condenser 8 to the evaporator 6, so as to circulate the refrigerant in the refrigerant pipeline 57. The compression system 5 is arranged in the shell, heat release at the condenser 8 and heat absorption at the evaporator 6 can be realized by utilizing the circulating flow of the refrigerant through the compression system 5, and therefore the normal operation of dehumidifying and drying is ensured.

Further, in the present embodiment, referring to fig. 5, the compression system 5 further includes a four-way valve 52, a liquid reservoir 53, a filter 54, a throttle valve 55, and a gas-liquid separator 56; the compressor 51, the condenser 8, the accumulator 53, the filter 54, the throttle valve 55, the evaporator 6, and the gas-liquid separator 56 are connected by a refrigerant pipe 57. The condenser 8 and the evaporator 6 are selectively communicated with the compressor 51 through the four-way valve 52, and the requirement that the whole refrigerant continuously and circularly flows in the refrigerant pipeline 57 is met through the compressor 51, the liquid accumulator 53, the filter 54, the throttle valve 55 and the gas-liquid separator 56, so that the normal performance of the dehumidifying and drying operation is ensured.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A dryer is characterized by comprising a machine shell, a drying bin, a condenser, an evaporator and a heat recovery dehumidifying component;

a fresh air inlet is formed in the shell;

the outlet of the condenser is communicated with the inlet of the drying bin;

2. The dryer of claim 1 wherein said enclosure comprises a plurality of thermally conductive plates;

3. The dryer of claim 2, wherein the air intake direction of the heat absorption channel is perpendicular to the air discharge direction of the heat supply channel.

4. The dryer of claim 3, wherein the heat absorbing passage and the heat supplying passage are arranged to be staggered with each other in an up-down direction.

5. The dryer of claim 1 wherein said evaporator is provided with an evaporator fan.

6. The dryer of claim 1, wherein said drying compartment is disposed inside or outside said cabinet.

7. The dryer of any one of claims 1 to 6, further comprising a compression system;

8. The dryer of claim 7, wherein said compression system further comprises a four-way valve, a reservoir, a filter, a throttle valve, and a gas-liquid separator;