CN216953802U

CN216953802U - Graphene fabric drying device with waste heat recovery function

Info

Publication number: CN216953802U
Application number: CN202122757629.9U
Authority: CN
Inventors: 王晨; 李树谦; 侯娜娜
Original assignee: Hebei University of Water Resources and Electric Engineering
Current assignee: Hebei University of Water Resources and Electric Engineering
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-07-12
Anticipated expiration: 2031-11-11

Abstract

The graphene fabric drying device with the waste heat recovery function is characterized by comprising a box body, an exhaust pipe (2), a fresh air pipe (4), a bottom air supply pipe (7) and a micro heat pipe array (11), wherein the exhaust pipe, the fresh air pipe (4), the bottom air supply pipe (7) and the micro heat pipe array are arranged in the box body, and the fresh air pipe (4) extends along the top of the box body, passes through the side wall of the box body and is communicated with the bottom air supply pipe (7); the evaporation section and the condensation section of the micro heat pipe array (11) are respectively arranged in the exhaust pipe (2) and the fresh air pipe (4). The device of this application has apparent difference with current fabric drying equipment, possesses the waste heat recovery function, has good energy saving and emission reduction's effect.

Description

Graphene fabric drying device with waste heat recovery function

Technical Field

The utility model relates to the field of energy conservation, in particular to a graphene fabric drying device with a waste heat recovery function.

Background

According to the heating principle of the traditional fabric drying device, a central heating system is utilized to convey a heating medium into a dryer for heating, so that the requirement on sealing performance is high, and the heat efficiency is low; the traditional electric heating has low thermoelectric conversion efficiency; in addition, conventional drying devices generally do not have a waste heat function. The above factors lead to a great improvement in the energy saving performance of the fabric drying apparatus.

Accordingly, there is a need for new techniques and apparatus to address at least some of the problems associated with the prior art.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects and shortcomings of the existing fabric drying device, the utility model provides the graphene fabric drying device with the waste heat recovery function, wherein a micro heat pipe array heat exchanger is adopted to realize the recovery of sensible heat and latent heat of humid and hot air in an exhaust pipe and is used for heating the air in an air supply pipeline, so that the effects of energy conservation and emission reduction are achieved; heating element adopts the mode of electrical heating graphite alkene board, sets up the fin on the graphite alkene electric hot plate, and crisscross the lower part region of placing at drying device, not only make full use of the characteristics that graphite alkene thermoelectric conversion is efficient, be favorable to the new trend of entering device to carry out high-efficient heat exchange moreover.

More specifically, according to one aspect of the utility model, a graphene fabric drying device with a waste heat recovery function is provided, and is characterized by comprising a box body, and an exhaust duct (2), a fresh air duct (4), a bottom air supply duct (7) and a micro heat pipe array (11) which are arranged in the box body, wherein the fresh air duct (4) extends along the top of the box body, passes through the side wall of the box body, and then is communicated with the bottom air supply duct (7); the evaporation section and the condensation section of the micro heat pipe array (11) are respectively arranged in the exhaust pipe (2) and the fresh air pipe (4).

According to the embodiment of the utility model, the graphene fabric drying device with the waste heat recovery function further comprises a draught fan (10) arranged at the fresh air inlet (3) of the fresh air pipe (4).

According to the embodiment of the utility model, the graphene fabric drying device with the waste heat recovery function further comprises a first graphene heating plate (8) arranged in a bottom low-power region of the heating region in the box body.

According to the embodiment of the utility model, the graphene fabric drying device with the waste heat recovery function further comprises a second graphene heating plate (15) arranged in a side wall high-power area of the heating area in the box body.

According to the embodiment of the utility model, the graphene fabric drying device with the waste heat recovery function further comprises heat dissipation fins arranged on the graphene heating plate.

According to the embodiment of the utility model, the graphene fabric drying device with the waste heat recovery function further comprises an exhaust fan (12) arranged at the initial end part of the exhaust pipe (2) and a water collecting tank (1) arranged at the tail end part of the exhaust pipe (2).

According to the embodiment of the utility model, the graphene fabric drying device with the waste heat recovery function further comprises a valve (14) arranged in the exhaust duct (2) and the fresh air duct (4).

According to the embodiment of the utility model, the graphene fabric drying device with the waste heat recovery function further comprises a sliding rod arranged in the fabric placing area in the box body and used for placing fabrics.

According to the embodiment of the utility model, the graphene fabric drying device with the waste heat recovery function further comprises a display device (5) arranged on a door (6) of the drying device.

According to the embodiment of the utility model, the plurality of first graphene heating plates are arranged in a staggered manner, so that the circulation of air is facilitated.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model provides novel graphene fabric drying equipment, which utilizes the high electric energy conversion efficiency of graphene to heat fresh air through a micro heat pipe array, and then the fresh air is sent into a box body through bottom air supply, so that the fresh air is fully heated through a radiating fin. The radiating fins are respectively bonded with the bottom layer low-power graphene heating plate and the two sides of the high-power graphene heating plate, so that the gradient utilization of energy is realized, and the power of the graphene heating plate is adjustable. The slide bars in the box body are provided with a plurality of slide bars, and can be used according to the quantity of fabrics. The tail end of the exhaust pipe is provided with a water collecting tank for collecting and discharging moisture in the damp and hot air, and the bottom of the water collecting tank is provided with a drain hole for recycling water. The novel graphene fabric drying equipment has the characteristics of low energy consumption, simplicity in manufacturing, convenience in installation and use and the like.

Drawings

Fig. 1 is a schematic structural diagram of a novel graphene fabric drying apparatus according to an embodiment of the present invention;

fig. 2 is a sectional view of a novel graphene fabric drying apparatus according to an embodiment of the present invention.

Reference numerals are as follows: the device comprises a water collecting tank 1, an exhaust pipe 2, a fresh air inlet 3, a fresh air pipe 4, a display device 5, a door 6, a bottom air supply pipe 7, a first graphene heating plate 8, a fabric 9, a draught fan 10, a micro heat pipe array 11, an exhaust fan 12, a slide bar 13, a valve 14, a second graphene heating plate 15 and a bottom air supply outlet 16.

Detailed Description

The utility model will be further described with reference to the accompanying drawings and examples, which are included to provide a full description of the utility model and are not intended to be limiting.

As shown in fig. 1 and fig. 2, the graphene fabric drying device with a waste heat recovery function according to the embodiment may include a box body and various components disposed on/in the box body, and specifically may include: the device comprises a water collecting tank 1, an exhaust pipe 2, a fresh air inlet 3, an air supply pipe 4, a display device 5, a door 6, a bottom air supply pipe 7, a first graphene heating plate 8, an induced draft fan 10, a micro heat pipe array 11, an exhaust fan 12, a slide bar 13, a valve 14, a second graphene heating plate 15, a bottom air supply outlet 16 and the like.

More specifically, the fresh air duct 4 extends along the top of the cabinet, passes through the side walls of the cabinet and then communicates with the bottom blower duct 7. Therefore, fresh air can be introduced into the bottom air supply outlet 16 through the air guide fan 10 at the fresh air inlet 3 and enters the box body. In addition, a valve 14 may be provided in the fresh air duct to adjust the amount of air supplied, and the valve may be, for example, a ball valve or a butterfly valve.

An exhaust pipe 2 can be arranged below the fresh air pipe, the initial end part of the exhaust pipe 2 is communicated with the inner cavity of the box body, and an exhaust fan 12 is arranged at the end part and used for exhausting air flow of the inner cavity (fabric drying chamber) of the box body. The exhaust duct 2 extends to the side wall of the box body and extends downwards. A valve can be arranged in the exhaust pipe 2 to control the exhaust amount; the tail end of the exhaust pipe 2 can be provided with a water collecting tank 1, and the bottom of the water collecting tank can be provided with a drain hole for recycling water. More specifically, for example, the water collecting tank may be a circular pipe with a diameter ranging from 200 to 500mm, a plurality of drain pipes are disposed at the bottom of the water collecting tank, and the drain holes may be circular and have a size ranging from 5 to 10 mm.

As shown in the figure, a micro heat pipe array 11 may be disposed between the exhaust duct 2 and the fresh air duct 4, that is, a part of the micro heat pipe array is located in the fresh air duct 4, and a part of the micro heat pipe array is located in the exhaust duct 2, and is sealed, so that the exhaust duct 2 and the fresh air duct 4 are isolated from each other. The gap between the micro heat pipes of the micro heat pipe array may be 10-50 mm, and the micro heat pipe array itself is well known to those skilled in the art and will not be further described herein. More specifically, the evaporation section of the micro heat pipe array is arranged in the exhaust pipe 2, and the condensation section is arranged in the fresh air pipe 4, so that the damp and hot air in the exhaust pipe 2 is discharged through cooling and dehumidifying of the evaporation section of the micro heat pipe array, and the moisture of the damp and hot air is collected in the water collecting tank 1 at the tail end of the exhaust pipe; meanwhile, the fresh air in the fresh air pipe is heated to a certain temperature by the condensation section of the micro heat pipe array 11; therefore, sensible heat and latent heat of the damp and hot air in the exhaust pipe are recovered and used for heating the air (fresh air) in the air supply pipeline, and energy conservation is realized.

The lower part of the exhaust duct 2 is provided with a drying chamber of the box body, which comprises an upper fabric placing area and a lower heating area.

And a sliding rod 13 is arranged in the fabric placing area and used for hanging and placing the fabric for baking. The slide bar 13 can set up a plurality ofly, with be connected with the guide rail between the box, slide bar and guide rail material all can be the stainless steel, and the two specifically can be connected with the stainless steel gyro wheel. The lower heating zone includes a lower power zone at the bottom and a sidewall high power zone.

A plurality of first graphene heating plates 8 are disposed in the bottom low power region, and may be disposed in the case, for example, by fixing bars or fixing supports. And the graphene heating plate can be provided with radiating fins for uniform heat dissipation. And bonding the graphene heating plate and the radiating fin. The controllable temperature of the graphene heating plate can be 30-100 ℃. The radiating fins can be made of stainless steel, and the height of the fins can be 10-50 mm. First graphite alkene hot plate is the installation of falling by mistake respectively, is favorable to air and radiating fin abundant contact, realizes the even heating of air. In the sidewall high power region, a plurality of second graphene heating plates 15 may be disposed (e.g., bonded) on the sidewall of the case. After the fresh air is introduced from a bottom air supply outlet 16 on a porous plate at the bottom of the drying device, the first graphene heating plates 8 which are arranged in a staggered mode primarily heat the fresh air at a low power, and then the second graphene heating plates 15 further heat the fresh air at a high power so as to realize the gradient utilization of energy; in addition, the graphene has high thermal conductivity and high thermoelectric conversion rate, so that the energy is saved efficiently. The perforated plate can be made of stainless steel, an aluminum plate or an alloy plate, the interior of the perforated plate can be of a cavity structure, a circular or strip-shaped air opening array (bottom air supply opening 16) is arranged on the perforated plate, the diameter of the circular air opening is 10-50 mm, and the size of the strip-shaped air opening is 10 x 50-50 x 100 mm.

As shown in the figure, the graphene fabric drying device further includes a display device 5 disposed on a door 6 of the drying device. Display device can be connected with graphite alkene hot plate, exhaust fan, draught fan, valve etc for the rotational speed of demonstration and control graphite alkene hot plate temperature, exhaust fan and draught fan and the aperture of valve etc..

The operation principle of the graphene fabric drying apparatus with waste heat recovery function of the embodiment is described below, the axial flow fan 12 exhausts the damp and hot air in the box body, and a part of the micro heat pipe array 11 is placed in the exhaust duct 2, that is, the evaporation section of the micro heat pipe array is located in the exhaust duct, so as to achieve energy saving. The damp and hot air in the exhaust pipe 2 is discharged through temperature reduction and dehumidification, and the moisture of the damp and hot air is collected in the water collecting tank 1 at the tail end of the exhaust pipe. The initial end of the fresh air pipe 4 is provided with an induced draft fan 12, fresh air enters from a fresh air inlet 3, the induced draft fan 10 provides power, the temperature of the fresh air rises to a certain temperature through a condensation section of the micro heat pipe array 11, then the fresh air enters from a bottom air supply pipe 7 through a bottom air supply outlet 16, and the fresh air quantity can be controlled by a valve 14. The box bottom is provided with the low-power graphite alkene hot plate 8 of straggly range, carries out primary heating to the new trend, has placed high power graphite alkene hot plate 15 in its both sides, further heats the new trend to realize the cascade utilization of energy. The fabric placing area 9 in the box body is provided with a plurality of sliding rods 13 so as to be convenient for placing different quantities of fabrics placed by the door 6. Data such as temperature, wind speed and the like can be read and modified by the display screen 5; after heating the dried fabric, it is discharged by the exhaust fan 12.

Although the present invention has been described above with reference to the accompanying drawings, the present invention is not limited to the above embodiments, and those skilled in the art can make various changes and modifications without departing from the spirit of the present invention.

Claims

1. The graphene fabric drying device with the waste heat recovery function is characterized by comprising a box body, an exhaust pipe (2), a fresh air pipe (4), a bottom air supply pipe (7) and a micro heat pipe array (11), wherein the exhaust pipe, the fresh air pipe (4), the bottom air supply pipe (7) and the micro heat pipe array are arranged in the box body, and the fresh air pipe (4) extends along the top of the box body, passes through the side wall of the box body and is then communicated with the bottom air supply pipe (7); the evaporation section and the condensation section of the micro heat pipe array (11) are respectively arranged in the exhaust pipe (2) and the fresh air pipe (4).

2. The graphene fabric drying device with the waste heat recovery function according to claim 1, characterized in that: the device also comprises a draught fan (10) arranged at the fresh air inlet (3) of the fresh air pipe (4).

3. The graphene fabric drying device with the waste heat recovery function according to claim 1, characterized in that: the device also comprises a first graphene heating plate (8) arranged in a bottom low-power region of the heating region in the box body.

4. The graphene fabric drying device with the waste heat recovery function according to claim 3, wherein: the graphene heating plate is characterized by further comprising a second graphene heating plate (15) arranged in a side wall high-power area of the heating area in the box body.

5. The graphene fabric drying device with the waste heat recovery function as claimed in claim 3 or 4, wherein: still including setting up the radiating fin on graphite alkene hot plate.

6. The graphene fabric drying device with the waste heat recovery function according to claim 1, characterized in that: the exhaust fan is characterized by further comprising an exhaust fan (12) arranged at the initial end part of the exhaust pipe (2) and a water collecting tank (1) arranged at the tail end part of the exhaust pipe (2).

7. The graphene fabric drying device with the waste heat recovery function according to claim 1, characterized in that: the device also comprises a valve (14) arranged in the exhaust pipe (2) and the fresh air pipe (4).

8. The graphene fabric drying device with the waste heat recovery function according to claim 1, characterized in that: the box body is internally provided with a fabric placing area, and the box body is internally provided with a fabric placing area.

9. The graphene fabric drying device with the waste heat recovery function according to claim 1, characterized in that: also comprises a display device (5) arranged on a door (6) of the drying device.

10. The graphene fabric drying device with the waste heat recovery function according to claim 3, wherein: first graphite alkene hot plate is a plurality of, and the installation that falls by mistake respectively is favorable to the circulation of air.