CN210987922U

CN210987922U - Heating device for double-layer tunnel furnace

Info

Publication number: CN210987922U
Application number: CN201922143841.9U
Authority: CN
Inventors: 束传松; 景万峰
Original assignee: Suzhou Hexu Electronic Co ltd
Current assignee: Suzhou Hexu Electronic Co ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-07-14
Anticipated expiration: 2029-12-04

Abstract

The utility model discloses a heating device for double-deck tunnel furnace, including skin and inlayer, form the heating chamber between skin and the inlayer, the inside of inlayer is for toasting the chamber, toast the bottom setting in chamber and install the track, the heating chamber is provided with a set of electrical heating board, sets up in the heating chamber and installs supplementary heat conduction device, supplementary heat conduction device includes two sets of flabellums, the flabellum sets up installs the top and the bottom in the heating chamber, and the flabellum is by motor drive. The utility model relates to a simple structure, it is effectual to keep warm, and the heating degree of consistency is high double-deck tunnel furnace is with heating device.

Description

Heating device for double-layer tunnel furnace

Technical Field

The utility model relates to a tunnel furnace technical field specifically is a heating device for double-deck tunnel furnace.

Background

The tunnel oven is widely applied, wherein the food processing tunnel oven is a tunnel type mechanical device for baking food through heat conduction, convection and radiation. The oven body is generally very long, 6 meters at least and 60-80 meters long. The chamber is a narrow tunnel, typically 80cm to 140cm wide. A continuously operating conveyor system is located within the tunnel. When the food is baked, the food is moved relatively to the electric heating element or the direct-fired burning rod by the conveying chain plate, the steel belt or the net belt. Thereby completing the work of uniform baking and conveying. The oven can be continuously produced, has high production efficiency, saves manpower and has stable baking quality. However, most of the conventional heating devices for the double-layer tunnel furnace have the disadvantage of insufficient heating uniformity, so that a new heating device for the double-layer tunnel furnace is needed to overcome the disadvantages.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heating device for double-deck tunnel furnace to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a heating device for double-deck tunnel furnace, includes skin and inlayer, form the heating chamber between skin and the inlayer, the inside of inlayer is for toasting the chamber, the track is installed in the bottom setting of toasting the chamber, the heating chamber is provided with a set of electric heating board, sets up in the heating chamber and installs supplementary heat conduction device, supplementary heat conduction device includes two sets of flabellums, the top and the bottom in heating chamber are installed in the flabellum setting, and the flabellum is by motor drive.

Preferably, fixedly connected with mount pad on outer left side wall and the right side wall rotates between the mount pad of the left and right sides and is connected with the pivot, flabellum fixed connection is in the pivot, motor fixed mounting is on outer left end face, the left end of pivot and the output shaft fixed connection of motor.

Preferably, through a plurality of connecting rods fixed connection between skin and the inlayer, the lateral wall parallel arrangement of electric heating board and inlayer, electric heating board fixed connection is on the connecting rod.

Preferably, the outer layer comprises an outer wall and an inner wall, a heat insulation layer is arranged between the inner wall and the outer wall, and the heat insulation layer is formed by filling vermiculite.

Preferably, the inner layer is made of a high temperature oxide ceramic.

Preferably, the bottom side wall of the inner layer is fixedly connected with a connecting seat, the connecting seat comprises a connecting plate, the connecting plate is fixedly connected to the side wall of the inner layer, a supporting plate is connected to the connecting plate, the upper end of the supporting plate is fixedly connected with a mounting plate, and the track is fixedly connected to the mounting plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses in, two sets of flabellum direction of rotation are opposite about for air cycle in the heating chamber, thereby further improve the degree of consistency of toasting intracavity temperature. The tie bars are used to support the inner layer while maintaining a certain gap between the outer layer of the inner layer. A gap is formed between the outer wall and the inner wall, the heat preservation layer is filled in the gap and used for reducing heat loss of the tunnel furnace, energy consumption is reduced, and the vermiculite enables the heat preservation layer to have good heat preservation performance and heat resistance. The high-temperature oxide ceramic enables the inner layer to have moderate heat conductivity coefficient, and avoids the temperature unevenness of the inner layer while ensuring the heat conduction speed. The utility model relates to a simple structure, it is effectual to keep warm, and the heating degree of consistency is high double-deck tunnel furnace is with heating device.

Drawings

FIG. 1 is a schematic structural view of a heating apparatus for a double-tunnel furnace;

fig. 2 is a partial structural view at K in fig. 1.

In the figure: 1-outer layer, 2-outer wall, 3-inner wall, 4-heat insulation layer, 5-heating cavity, 6-inner layer, 7-baking cavity, 8-connecting rod, 9-electric heating plate, 10-mounting seat, 11-rotating shaft, 12-fan blade, 13-motor, 14-rail, 15-connecting seat, 16-connecting plate, 17-supporting plate, 18-mounting plate and 19-auxiliary heat conducting device.

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 only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-2, the present invention provides a technical solution:

the utility model provides a heating device for double-deck tunnel furnace, includes outer 1 and inlayer 6, form heating chamber 5 between outer 1 and the inlayer 6, the inside of inlayer 6 is for toasting chamber 7, toast the bottom setting of chamber 7 and install track 14, heating chamber 5 is provided with a set of electric heating board 9, sets up in the heating chamber 5 and installs supplementary heat conduction device 19, supplementary heat conduction device 19 includes two sets of flabellums 12, flabellum 12 sets up the top and the bottom of installing in heating chamber 5, and flabellum 12 is driven by motor 13.

When the electric heating oven works, food moves in the baking cavity 7, the electric heating plate 9 in the heating cavity 5 is used for heating, the outer layer 1 is used for preserving heat, and the inner layer 6 is used for conducting heat so that the temperature in the baking cavity 7 is more uniform; the rotation directions of the upper and lower fan blades 12 are opposite, so that the air in the heating cavity 5 is circulated, and the uniformity of the temperature in the baking cavity 7 is further improved.

Preferably, fixedly connected with mount pad 10 on the left side wall of outer 1 and the right side wall, rotate between the mount pad 10 of the left and right sides and be connected with pivot 11, flabellum 12 fixed connection is on pivot 11, motor 13 fixed mounting is on the left end face of outer 1, the left end of pivot 11 and the output shaft fixed connection of motor 13.

The motor 13 drives the rotating shaft 11 and the fan blades 12 to rotate, and the rotating directions of the motors 13 on the upper side and the lower side are opposite during operation.

Preferably, the outer layer 1 and the inner layer 6 are fixedly connected through a plurality of connecting rods 8, the electric heating plate 9 is arranged in parallel with the side wall of the inner layer 6, and the electric heating plate 9 is fixedly connected to the connecting rods 8.

The tie bars 8 are used to support the inner layer 6 while maintaining a certain gap between the inner layer 6 and the outer layer 1.

Preferably, the outer layer 1 comprises an outer wall 2 and an inner wall 3, a heat insulation layer 4 is arranged between the inner wall 3 and the outer wall 2, and the heat insulation layer 4 is filled with vermiculite.

A gap is formed between the outer wall 2 and the inner wall 3, the heat preservation layer 4 is filled in the gap and used for reducing heat loss of the tunnel furnace, energy consumption is reduced, and the vermiculite enables the heat preservation layer 4 to have good heat preservation performance and heat resistance.

Preferably, the inner layer 6 is made of a high temperature oxide ceramic.

The high-temperature oxide ceramic enables the inner layer 6 to have moderate heat conductivity coefficient, and avoids the temperature unevenness of the inner layer 6 while ensuring the heat conduction speed.

Preferably, a connecting seat 15 is fixedly connected to a bottom side wall of the inner layer 6, the connecting seat 15 includes a connecting plate 16, the connecting plate 16 is fixedly connected to a side wall of the inner layer 6, a supporting plate 17 is connected to the connecting plate 16, an installing plate 18 is fixedly connected to an upper end of the supporting plate 17, and the rail 14 is fixedly connected to the installing plate 18.

The supporting plate 17 keeps a certain gap between the rail 14 and the inner layer 6, and avoids the rail 14 from being damaged by high temperature.

The utility model discloses a theory of operation is: when the electric heating oven works, food moves in the baking cavity 7, the electric heating plate 9 in the heating cavity 5 is used for heating, the outer layer 1 is used for preserving heat, and the inner layer 6 is used for conducting heat so that the temperature in the baking cavity 7 is more uniform; the rotation directions of the upper and lower fan blades 12 are opposite, so that the air in the heating cavity 5 is circulated, and the uniformity of the temperature in the baking cavity 7 is further improved. The motor 13 drives the rotating shaft 11 and the fan blades 12 to rotate, and the rotating directions of the motors 13 on the upper side and the lower side are opposite during operation. The tie bars 8 are used to support the inner layer 6 while maintaining a certain gap between the inner layer 6 and the outer layer 1. A gap is formed between the outer wall 2 and the inner wall 3, the heat preservation layer 4 is filled in the gap and used for reducing heat loss of the tunnel furnace, energy consumption is reduced, and the vermiculite enables the heat preservation layer 4 to have good heat preservation performance and heat resistance. The high-temperature oxide ceramic enables the inner layer 6 to have moderate heat conductivity coefficient, and avoids the temperature unevenness of the inner layer 6 while ensuring the heat conduction speed. The supporting plate 17 keeps a certain gap between the rail 14 and the inner layer 6, and avoids the rail 14 from being damaged by high temperature.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A heating device for a double-layer tunnel furnace comprises an outer layer (1) and an inner layer (6), and is characterized in that: form heating chamber (5) between skin (1) and inlayer (6), the inside of inlayer (6) is toasted chamber (7), the bottom setting of toasting chamber (7) is installed track (14), heating chamber (5) are provided with a set of electric heating board (9), set up in heating chamber (5) and install supplementary heat conduction device (19), supplementary heat conduction device (19) include two sets of flabellum (12), top and bottom in heating chamber (5) are installed in flabellum (12) setting, and flabellum (12) are driven by motor (13).

2. The heating device for the double-layer tunnel furnace according to claim 1, wherein: fixedly connected with mount pad (10) on the left side wall of outer (1) and the right side wall, rotate between mount pad (10) of the left and right sides and be connected with pivot (11), flabellum (12) fixed connection is on pivot (11), motor (13) fixed mounting is on the left end face of outer (1), the left end of pivot (11) and the output shaft fixed connection of motor (13).

3. The heating device for the double-layer tunnel furnace according to claim 1, wherein: through a plurality of connecting rods (8) fixed connection between skin (1) and inlayer (6), electric heating board (9) and the lateral wall parallel arrangement of inlayer (6), electric heating board (9) fixed connection is on connecting rod (8).

4. The heating device for the double-layer tunnel furnace according to claim 1, wherein: the outer layer (1) comprises an outer wall (2) and an inner wall (3), a heat insulation layer (4) is arranged between the inner wall (3) and the outer wall (2), and the heat insulation layer (4) is formed by filling vermiculite.

5. The heating device for the double-layer tunnel furnace according to claim 1, wherein: the inner layer (6) is made of a high temperature oxide ceramic.

6. The heating device for the double-layer tunnel furnace according to claim 1, wherein: fixedly connected with connecting seat (15) on the bottom lateral wall of inlayer (6), connecting seat (15) are including connecting plate (16), connecting plate (16) fixed connection is connected with backup pad (17) on connecting plate (16) on the lateral wall of inlayer (6), backup pad (17) upper end fixedly connected with mounting panel (18), track (14) fixed connection is on mounting panel (18).