CN213029616U

CN213029616U - Tunnel oven with uniform heating

Info

Publication number: CN213029616U
Application number: CN202020756077.2U
Authority: CN
Inventors: 窦进军
Original assignee: Jiangsu Jiumao Precision Electronic Technology Co Ltd
Current assignee: Jiangsu Jiumao Precision Electronic Technology Co Ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2021-04-23
Anticipated expiration: 2030-05-09

Abstract

The utility model discloses a tunnel oven with uniform heating, in particular to a tunnel oven, which comprises a tunnel oven body, wherein the bottom of the tunnel oven body is provided with a conveyer, the bottom of the conveyer is fixedly connected with four supporting legs, the front side of the tunnel oven body is provided with a front shell plate, the right end of the front shell plate is provided with a plurality of round holes I, the rear side of the tunnel oven body is provided with a rear shell plate, the left and right ends of the front shell plate and the rear shell plate are provided with symmetrical chutes, a door plate is movably connected in the chutes, the inner wall of the front shell plate is provided with a heating device I, the inside of the heating device I is provided with an S-shaped heating pipe, three fans are arranged below the S-shaped heating pipe, the bottom of the heating device I is provided with a plurality of heat conducting holes, the front shell plate is respectively provided with two symmetrical ventilating nozzles from top to, the fan sends a part of heat generated by the S-shaped heating pipe into the tunnel oven through the heat conducting hole.

Description

Tunnel oven with uniform heating

Technical Field

The utility model relates to a tunnel oven, concretely relates to even tunnel oven heats.

Background

The tunnel furnace is a tunnel type mechanical device for baking food through heat conduction, convection and radiation. The tunnel furnace is designed and manufactured by adopting foreign advanced technology, the Shanghai red-combined mechanical electrical appliance is manufactured and heated by adopting far infrared heating technology, heating elements are reasonably arranged, and energy consumption is low. 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. The tunnel furnace is mainly used for food enterprises in industrial production and is characterized by continuous or intermittent baking in large batches. Typically rated power input <24KW, is operated by full-time staff.

The existing industrial tunnel oven can play a baking role, but has the main defects of complex structure, uneven heating, higher selling price and use cost.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:

the utility model provides a tunnel oven that heats evenly, includes tunnel oven body, tunnel oven body bottom is equipped with conveyer, four supporting legs of conveyer bottom fixed connection, tunnel oven body front side is equipped with preceding coverboard, preceding coverboard right-hand member is equipped with several round hole one, tunnel oven body rear side is equipped with the backshell board, both ends are equipped with the spout of symmetry about preceding coverboard, the backshell board, swing joint door plant in the spout, preceding coverboard inner wall is equipped with heating device one, the inside S type heating pipe that is equipped with of heating device, S type heating pipe below is equipped with three fan, a heating device bottom is equipped with the several heat conduction hole, preceding coverboard is equipped with the tuyere of two symmetries from top to bottom respectively.

Preferably, the inner wall of the rear shell plate is provided with a second heating device.

Preferably, a heating pipe is arranged in the middle of the second heating device, two ends of the heating pipe are fixedly connected with turntables, the turntable at the left end is movably connected with the left end of the inner wall of the rear shell plate, the turntable at the right end is fixedly connected with a rotating shaft, and the rotating shaft is fixedly connected with a motor.

Preferably, the front shell plate and the rear shell plate are both internally provided with a layer of heat-insulating layer, and the heat-insulating layers are made of aluminum silicate.

Preferably, a conveyor belt is arranged between the front shell plate and the rear shell plate, and baked products are arranged on the conveyor belt.

Preferably, a baffle is arranged in the middle of the door plate, two ends of the baffle are fixedly connected with the sliding plate, the sliding plate is provided with scales, the sliding plate on the left side is provided with a round hole II, and the middle of the baffle is fixedly connected with the handle.

Preferably, the upper part of the fan is connected with the motor through a rotating shaft.

Preferably, every two ventilating nozzles of the front shell plate and the rear shell plate are connected through an air pipe.

The embodiment of the utility model provides a have following advantage:

the S-shaped heating pipe and a motor power supply in the first heating device are connected, the S-shaped heating pipe generates geothermal energy, meanwhile, the motor drives a fan to transmit, the fan sends one part of the heat generated by the S-shaped heating pipe into the tunnel oven through a heat conduction hole, and the other part of the heat generated by the S-shaped heating pipe enters the bottom of the tunnel oven through an upper ventilation nozzle and an air pipe and a lower ventilation nozzle; the heat generated forms a thermal cycle inside the oven, enabling a uniform heating of the baked products.

The heating tube in the first heating device is connected with a power supply of the motor, the heating tube generates heat and rotates under the action of the turntables at the two ends, the rotating shaft and the motor, and the centrifugal force generated by the rotation of the heating tube can enable surrounding air to flow, so that heat convection is formed, and the heat is uniformly dispersed into each position in the tunnel oven; meanwhile, the heat of the upper part enters the bottom of the tunnel oven through the upper ventilating nozzle and the air pipe through the lower ventilating nozzle; the heat generated forms a thermal cycle inside the oven, enabling a uniform heating of the baked products.

Adjusting the distance between the bottom of the door plate and the conveyor belt according to the height of the baked product; avoid the conveyer belt to get into tunnel oven import and go out tunnel oven export too big, cause the inside heat damage of tunnel oven. The electric energy is saved, the door plate slides into the sliding grooves of the front shell plate and the rear shell plate, and the first round hole and the second round hole are screwed by the nuts, so that the operation is simple, the structure is stable, and the material taking is simple.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic structural view of a front shell plate of a tunnel oven with uniform heating according to an embodiment of the present invention.

Fig. 2 is a schematic view of a tunnel oven for heating a tunnel oven uniformly according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of a front shell plate of a tunnel oven with uniform heating according to an embodiment of the present invention.

Fig. 4 is a door plate structure view of a tunnel oven with uniform heating according to an embodiment of the present invention.

In the figure: the tunnel oven comprises a tunnel oven body 1, a door plate 2, a sliding groove 3, a front shell plate 4, a heating pipe 5S, a conveyer 6, a supporting leg 7, a first 8 round hole, a first 9 rear shell plate, a baffle 10, a sliding plate 11, a scale 12, a first 13 heating device, a heat conducting hole 14, a heating pipe 15S, a fan 16, a heat preservation layer 18, a baked product 19, a conveying belt 20, a ventilating nozzle 21, a heating pipe 22, a rotating disc 23, a rotating shaft 24, a motor 25, a second 26 round hole and a second 27 heating device.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.

Example 1:

with reference to the accompanying figures 1-4 of the specification, the tunnel oven of this embodiment, which heats uniformly, comprises a tunnel oven body 1, the bottom of the tunnel oven body 1 is provided with a conveying device 6, the bottom of the conveying device 6 is fixedly connected with four supporting legs 7, the front side of the tunnel oven body 1 is provided with a front shell plate 4, the right end of the front shell plate 4 is provided with a plurality of round holes I8, the rear side of the tunnel oven body 1 is provided with a rear shell plate 9, the left and right ends of the front shell plate 4 and the rear shell plate 9 are provided with symmetrical chutes 3, the door plate 2 is movably connected in the chute 3, the inner wall of the front shell plate 4 is provided with a first heating device 13, an S-shaped heating pipe 15 is arranged in the heating device I13, three fans 16 are arranged below the S-shaped heating pipe 15, the bottom of the first heating device 13 is provided with a plurality of heat conducting holes 14, and the upper part and the lower part of the front shell plate 4 are respectively provided with two symmetrical ventilating nozzles 21.

Further, the inner wall of the rear shell plate 9 is provided with a second heating device 27, so that the uniform heating inside the tunnel oven is further realized.

Further, be equipped with heating pipe 22 in the middle of heating device two 27, heating pipe 22 both ends fixed connection carousel 23, the carousel 23 swing joint back coverboard 9 inner wall left end of left end, the carousel 23 fixed connection pivot 24 of right-hand member, pivot 24 fixed connection motor 25, this mode is simple structure not only, can further supply the even heating effect of heating device one to the even heating in the tunnel oven.

Furthermore, a heat insulation layer 18 is arranged inside each of the front shell plate 4 and the rear shell plate 9, the heat insulation layers are made of aluminum silicate, and the aluminum silicate has a good heat insulation effect, reduces heat loss in the tunnel oven and saves electric energy.

Further, a conveyor belt 20 is arranged between the front shell plate 4 and the rear shell plate 9, and baked products 19 are arranged on the conveyor belt 20.

Further, be equipped with baffle 10 in the middle of the door plant 2, baffle 10 both ends fixed connection slide 11, be equipped with scale 12 on the slide 11, be equipped with round hole two 26 on the slide 11 of left side, fixed connection handle 5 in the middle of the baffle 10, simple structure, the door plant blocks partly tunnel oven and imports and exports, reduces heat energy loss, saves the electric energy.

Further, the motor is connected above the fan 16 through a rotating shaft, and the fan can drive air in the tunnel to flow, so that uniform heating is realized.

Furthermore, every two ventilating nozzles 21 of the front shell plate 4 and the rear shell plate 9 are connected through air pipes, so that the up-and-down heat of the tunnel oven can be exchanged, and the up-and-down temperature of the tunnel oven is consistent.

The implementation scenario is specifically as follows:

the S-shaped heating pipe 15 and a motor power supply in the heating device I13 are connected, the S-shaped heating pipe generates geothermal energy, meanwhile, the motor drives the fan 16 to transmit, the fan 16 sends one part of the heat generated by the S-shaped heating pipe into the tunnel oven 1 through the heat conducting hole 14, and the other part of the heat generated by the S-shaped heating pipe enters the bottom of the tunnel oven 1 through the upper air nozzle 21 and the air pipe through the lower air nozzle 21; the heat generated forms a thermal cycle inside the oven, enabling a uniform heating of the baked products.

Example 2:

the difference from example 1 is: the heating tube 22 and the motor 25 in the heating device I13 are powered on, the heating tube 22 rotates while generating heat under the action of the turntables 23 at the two ends, the rotating shaft 24 and the motor 25, and the centrifugal force generated by the rotation of the heating tube 22 can make the surrounding air flow, so that heat convection is formed, and the heat is uniformly dispersed into each position in the tunnel oven 1; meanwhile, the heat of the upper part enters the bottom of the tunnel oven 1 through the upper air nozzle 21 and the air pipe through the lower air nozzle 21; the heat generated forms a thermal cycle inside the oven, enabling a uniform heating of the baked products.

Adjusting the distance between the bottom of the door panel 2 and the conveyor belt according to the height of the baked product; avoid conveyer belt 20 to get into tunnel oven import and go out tunnel oven export too big, cause the inside heat damage of tunnel oven.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a tunnel oven that heating is even which characterized in that: the tunnel oven comprises a tunnel oven body (1), a conveying device (6) is arranged at the bottom of the tunnel oven body (1), four supporting legs (7) are fixedly connected at the bottom of the conveying device (6), a front shell plate (4) is arranged on the front side of the tunnel oven body (1), a plurality of round holes I (8) are arranged at the right end of the front shell plate (4), a rear shell plate (9) is arranged on the rear side of the tunnel oven body (1), symmetrical sliding grooves (3) are formed in the left end and the right end of the front shell plate (4) and the right end of the rear shell plate (9), a door plate (2) is movably connected in the sliding grooves (3), a first heating device (13) is arranged on the inner wall of the front shell plate (4), an S-shaped heating pipe (15) is arranged inside the first heating device (13), three fans (16) are arranged below the S-shaped heating pipe (15), and a, two symmetrical ventilating nozzles (21) are respectively arranged on the upper and lower parts of the front shell plate (4).

2. The tunnel oven of claim 1 wherein: and a second heating device (27) is arranged on the inner wall of the rear shell plate (9).

3. The tunnel oven of claim 2 wherein: heating pipe (22) are arranged in the middle of the second heating device (27), heating pipe (22) both ends fixed connection carousel (23), carousel (23) swing joint backshell board (9) inner wall left end of left end, carousel (23) fixed connection pivot (24) of right-hand member, pivot (24) fixed connection motor (25).

4. The tunnel oven of claim 3 wherein: a heat-insulating layer (18) is arranged inside each of the front shell plate (4) and the rear shell plate (9), and the heat-insulating layer (18) is made of aluminum silicate.

5. The tunnel oven of claim 3 wherein: a conveyor belt (20) is arranged between the front shell plate (4) and the rear shell plate (9), and baked products (19) are arranged on the conveyor belt (20).

6. The tunnel oven of claim 1 wherein: the improved door is characterized in that a baffle (10) is arranged in the middle of the door plate (2), two ends of the baffle (10) are fixedly connected with sliding plates (11), scales (12) are arranged on the sliding plates (11), a round hole II (26) is arranged on the sliding plate (11) on the left side, and a handle (5) is fixedly connected in the middle of the baffle (10).

7. The tunnel oven of claim 1 wherein: the upper part of the fan (16) is connected with a motor through a rotating shaft.

8. The tunnel oven of claim 1 wherein: and every two air nozzles (21) of the front shell plate (4) and the rear shell plate (9) are connected through an air pipe.