CN210773336U

CN210773336U - Heating dryer with energy conservation and high efficiency

Info

Publication number: CN210773336U
Application number: CN201921814743.7U
Authority: CN
Inventors: 赵龙会
Original assignee: Nantong Bangdao Energy Saving Technology Co Ltd; SHANGHAI ZIYU ELECTRONIC CERAMICS CO Ltd
Current assignee: Nantong Bangdao Energy Saving Technology Co Ltd; SHANGHAI ZIYU ELECTRONIC CERAMICS CO Ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-06-16
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a possess energy-conserving, efficient heating drying apparatus, include: the radiating pipe is arranged as a hollow pipe, a plurality of aluminum profiles are arranged in the radiating pipe, the aluminum profiles are tightly attached to the inner wall of the radiating pipe through a plurality of expanding pipes, and a PTC ceramic heating element is arranged in each aluminum profile; a plurality of radiating fins distributed at equal intervals are arranged on the outer circular surface of the radiating pipe; sealing plugs are arranged at two ends of the aluminum profile; the PTC ceramic heating element comprises a PTC ceramic piece, wherein two side surfaces of the PTC ceramic piece are respectively pasted with an electrode slice through glue, each electrode slice is connected with a lead, and the other end of the lead penetrates through a sealing plug on one end of the aluminum profile and is connected with a U-shaped terminal; the outer side of the PTC ceramic heating element is sequentially coated with an aluminum foil and an insulating film; radiating fin sets up to triangle-shaped or square, the utility model discloses effectively improved the utilization ratio and the work efficiency of the energy, reduced the potential safety hazard that the fin exists, also improved the life of fin and the practicality of product simultaneously.

Description

Heating dryer with energy conservation and high efficiency

Technical Field

The utility model relates to a heating and drying equipment of industrial processing production and family heating, more specifically say, relate to a possess energy-conservation, efficient heating and drying ware.

Background

The heating and drying equipment plays an important role in modern life and industrial production, the existing heating and drying equipment in the market at present mainly uses resistance wires for heating, even some publicized high-efficiency energy-saving equipment only winds some metal radiating fins on the resistance wires, the structure of the equipment is shown in figure 1, and the structure has the following problems:

1) the heat sink 100 and the heating body 200 in the middle cannot be in close contact, because the metal heat sink 100 is wrapped around the heating body 200 in a winding manner, and there is no structure for tightly connecting the metal heat sink 100 and the heating body 200, the heat sink 100 and the heating body 200 cannot be always in close contact, and the effective transfer of heat cannot be ensured;

2) the heat dissipation area is small, the heat transfer efficiency is low, and as the area of the metal radiating fins surrounded outside the resistance wire is small, heat cannot be effectively transferred to air, the temperature of the heater is continuously increased under the normal working state of the heater, the wind temperature cannot be effectively increased, the energy is wasted, and certain potential safety hazards exist;

3) when resistance wires are used for heating, the power of the heater is not controlled, and if the heater always runs at full power, the requirement on equipment is high.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned defect that exists among the prior art, the utility model aims at providing a possess energy-conservation, efficient heating drying apparatus, adopt PTC heating core for internal insulation, add heat radiation fins in the outer end of radiating piece, can effectively increase the area of contact with the air, improve heat transfer's efficiency and satisfy high-efficient, energy-conserving purpose.

In order to achieve the purpose, the invention adopts the following technical scheme:

a heating dryer with energy saving and high efficiency comprises a radiating pipe, wherein the radiating pipe is arranged as a hollow pipe, a plurality of aluminum profiles are arranged in the radiating pipe, the aluminum profiles are tightly attached to the inner wall of the radiating pipe through a plurality of expanding pipes, and a PTC ceramic heating element is arranged in each aluminum profile;

a plurality of radiating fins distributed at equal intervals are arranged on the outer circular surface of the radiating pipe;

sealing plugs are arranged at the two end parts of the aluminum profile;

the PTC ceramic heating element comprises a PTC ceramic piece, wherein electrode plates are pasted on two side faces of the PTC ceramic piece through glue, each electrode plate is also connected with a lead, and the other end of the lead penetrates through a sealing plug on one end of the aluminum profile and is connected with a U-shaped terminal;

the PTC ceramic heating element outside still coats in proper order and has aluminium foil, insulating film.

The expansion pipe is a round pipe, a triangular pipe or a square pipe and is made of aluminum alloy or copper.

The radiating pipe is made of copper, and the radiating fins are triangular or square.

The connection part of the electrode plate and the lead is coated with an insulating adhesive tape, and the connection part of the lead and the U-shaped terminal is provided with a heat-shrinkable tube.

In the technical scheme, the utility model provides a possess energy-conservation, efficient high-power heating drying apparatus still has following several beneficial effects:

1) the utility model discloses can realize carrying out safe work under the maximum temperature of settlement, the heater can not be in under the maximum power state always, has reduced the requirement to equipment, and traditional resistance wire heater just can satisfy 80 ℃ of wind temperature design under 4500W's power, and the utility model discloses only need 2500W, the highest wind temperature has reached 120 ℃;

2) after the utility model reaches the set temperature, the air temperature can be maintained, the power is reduced, the energy is effectively saved, the air temperature of 80 ℃ is maintained for one hour, the electric quantity required by the traditional heater is 1 KW.h, and the utility model only needs 0.6 KW.h;

3) the utility model discloses a heat radiation fins has improved work efficiency and thermal conductivity with air area of contact greatly effectively, and the practicality is stronger.

Drawings

FIG. 1 is a structural view of a conventional heater;

FIG. 2 is a structural diagram of the heating dryer of the present invention;

fig. 3 is a structural view of the radiating pipe of fig. 2;

fig. 4 is an exploded view of the PTC ceramic heating element structure of fig. 2.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.

Please combine fig. 2 to fig. 4, the utility model provides a possess energy-conserving, efficient heating and drying apparatus, including the cooling tube 24, the cooling tube 24 sets up to the hollow tube, is equipped with a plurality of aluminium alloy 21 in it, and a plurality of aluminium alloy 21 hugs closely through a plurality of expand tube 22 on the inner wall of cooling tube 24, every all be equipped with PTC ceramic heating element in the aluminium alloy 21, expand tube 22 can be metal or non-metal material, has certain ductility, can make through professional equipment (like the electric tube expander) expand tube 22's pipe diameter increase to realize aluminium alloy 21 can more paste tightly on the inner wall of cooling tube 24, eliminate the clearance air, effectual improvement heat transfer satisfies the heat transmission of PTC ceramic heating element to cooling tube 24.

Preferably, a plurality of radiating fins 23 are equidistantly arranged on the outer circumferential surface of the radiating pipe 24 for increasing the contact area with air, so as to further improve the heat transfer efficiency and rapidly increase the wind temperature.

Preferably, the two ends of the aluminum profile 21 are both provided with sealing plugs 10, so that the interior of the aluminum profile is in a sealed arrangement.

Preferably, the PTC ceramic heating element comprises a PTC ceramic sheet 7, electrode plates 5 are respectively attached to two side surfaces of the PTC ceramic sheet 7 through glue pastes 6, each electrode plate 5 is further connected with a lead 11, and the other end of the lead 11 penetrates through a sealing plug 10 at one end of the aluminum profile 21 and is connected with a U-shaped terminal 13. PTC ceramic heating member itself possesses the control by temperature change effect, can be under the maximum temperature of settlement safety and stability work, the utility model discloses under heating drying apparatus can not be in maximum power state at the full time, reduce the requirement to equipment. Under operating condition, the utility model discloses after heating drying apparatus reaches the settlement temperature at wind temperature, the utility model discloses heating drying apparatus can reduce power, maintain wind temperature can, during continuous operation instantaneous power can be low to zero power even.

Preferably, the outside of the PTC ceramic heating element is further coated with aluminum foils 3 and 9 and

insulating films

2 and 4 in sequence to form internal insulation.

Preferably, the expansion tube 22 is a circular tube, a triangular tube or a square tube, and is made of aluminum alloy, so that copper can be used under higher environmental requirements.

Preferably, the heat dissipation fins 23 are configured to be triangular or square, etc. to mainly increase the contact area between the air and the heat dissipation pipe 24 and increase the heat transfer efficiency, the different shapes of the heat dissipation fins 23 have different contact areas with the air, and the larger the contact area between the heat dissipation fins 23 and the air, the larger the heat transfer rate between the air and the heat dissipation pipe 24.

Preferably, the material of the heat dissipation tube 24 and the heat dissipation fins 23 is copper, so as to increase the heat transfer efficiency.

Preferably, the joint of the electrode plate 5 and the lead 11 is covered with an insulating tape 14, and the joint of the lead 11 and the U-shaped terminal 13 is provided with a heat shrink tube 12 to prevent the electric leakage at the joint.

Preferably, the aluminum profile 21, the expanding tube 22 and the number of the heat dissipation fins 23 can be set according to actual conditions, and the utility model discloses the required number of heating and drying device is all different for different specification products.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims

1. The utility model provides a possess energy-conserving, efficient heating drying apparatus which characterized in that: the radiating pipe is a hollow pipe, a plurality of aluminum profiles are arranged in the radiating pipe, the aluminum profiles are tightly attached to the inner wall of the radiating pipe through a plurality of expanding pipes, and a PTC ceramic heating element is arranged in each aluminum profile;

sealing plugs are arranged at the two end parts of the aluminum profile;

2. The heating dryer with energy saving and high efficiency as claimed in claim 1, wherein: the expanding pipe is a round pipe, a triangular pipe or a square pipe.

3. The heating dryer with energy saving and high efficiency as claimed in claim 2, wherein: the material of expand tube is aluminum alloy or copper.

4. The heating dryer with energy saving and high efficiency as claimed in claim 1, wherein: the radiating pipe is made of copper.

5. The heating dryer with energy saving and high efficiency as claimed in claim 1, wherein: the radiating fins are arranged in a triangular shape or a square shape.

6. The heating dryer with energy saving and high efficiency as claimed in claim 1, wherein: and the joint of the electrode plate and the lead is coated with an insulating adhesive tape.

7. The heating dryer with energy saving and high efficiency as claimed in claim 1, wherein: and a heat shrink tube is arranged at the joint of the lead and the U-shaped terminal.