CN218065782U

CN218065782U - Hot air circulation tunnel furnace

Info

Publication number: CN218065782U
Application number: CN202121804860.2U
Authority: CN
Inventors: 向元灯
Original assignee: Dongguan Jinkun Industry Co ltd
Current assignee: Dongguan Jinkun Industry Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-12-16
Anticipated expiration: 2031-08-04

Abstract

The utility model discloses a heated air circulation tunnel furnace relates to tunnel drying technical field. The utility model discloses an outer shell, outer shell upper surface right side fixedly connected with air heater, air heater left side fixedly connected with filter equipment, filter equipment left side fixedly connected with lead bellows, the first circulating channel of fixedly connected with around the shell edge internal surface, first circulating channel is along internal surface fixedly connected with second circulating channel, the inside fixedly connected with conveyer belt device of shell. The utility model discloses a filter equipment and air heater run through the cooperation of opening three and filter screen two for by inspiratory impurity complete filtration in hot air circulation assembly line work, improved the fail safe nature of product greatly.

Description

Hot air circulation tunnel furnace

Technical Field

The utility model belongs to the technical field of the tunnel stoving, particularly, in particular to heated air circulation tunnel furnace.

Background

In order to adapt to the development of the industry in the drying field, the production efficiency is improved by adopting a flow line production mode for drying the tunnel furnace, but a large amount of energy consumption promotes the generation of a hot air circulation system, and the hot air circulation tunnel furnace utilizes a circulation device to convey hot air back into the tunnel furnace for heating, so that the energy consumption is greatly reduced, and a new direction is developed on the aspect of resource utilization.

The patent specification with the application number of CN202020748196.3 discloses a hot air circulation tunnel furnace, which comprises a hot air generator, a fan and a furnace body, wherein the hot air generator is connected with the fan and is arranged at the top of the furnace body, and an air inlet channel communicated with the fan is arranged at the top of the furnace body; a first circulating channel, a second circulating channel and a conveyor belt are arranged in the furnace body, the first circulating channel is positioned on the inner side wall of the furnace body and communicated with the air inlet channel, and the other end of the first circulating channel extends to the bottom of the conveyor belt; the second circulating channel is positioned between the first circulating channel and the conveyor belt and is communicated with the air inlet channel; the top and the bottom of conveyer belt are equipped with last wind box and leeward box respectively along its length direction, go up the wind box and include a plurality of air feed pieces and air feed plate on, a plurality of equidistant interval arrangements of air feed piece form a plurality of wind channels on, are equipped with a plurality of supply-air holes on the air feed plate, and leeward box includes a plurality of equidistant interval arrangements's lower air feed piece, and a plurality of air feed pieces form a plurality of wind channels down. The device can drive external air to enter in the hot air circulation process, and simultaneously, impurities in the air enter the tunnel furnace to pollute products, so that the device is not safe enough.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem in the correlation technique, the utility model provides a heated air circulation tunnel furnace to overcome the above-mentioned technical problem that current correlation technique exists.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a heated air circulation tunnel furnace, which comprises an outer shell, shell upper surface right side fixedly connected with air heater, air heater left side fixedly connected with filter equipment, filter equipment left side fixedly connected with air guide box, the first circulation channel of fixedly connected with around the shell along the internal surface, first circulation channel is along internal surface fixedly connected with second circulation channel, the inside fixedly connected with conveyer belt device of shell.

Further, filter equipment is including the rose box, rose box right side fixedly connected with air-supply line, the inside fixedly connected with filter screen one of rose box, rose box left side fixedly connected with goes out the tuber pipe, it connects to go out tuber pipe circle terminal surface fixedly lead the bellows.

Further, the air guide box is a reversed quadrangular frustum pyramid, the shell is provided with a first through opening, and the lower surface of the air guide box is completely attached to the first through opening.

Furthermore, the first circulation channel is provided with a through port II, and the through port II is located under the through port I.

Further, the second circulation channel is provided with a third through port, and the third through port is located under the second through port.

Furthermore, a second filter screen is fixedly connected to the inner surface of the third through opening.

Further, the conveyer belt device is provided with the rotation axis, the rotation axis surface both sides are rotated and are connected with the dwang, it is connected with the cylinder to rotate in the middle of the dwang, conveyer belt device is including the conveyer belt, the width of conveyer belt with the height of cylinder is the same.

The utility model discloses following beneficial effect has:

1. through the cooperation of the filtering device and the hot air blower, the penetration port III and the filter screen II, the impurities sucked in during the work of the hot air circulation assembly line are completely filtered, and the safety and reliability of the product are greatly improved;

2. through the cooperation of the first circulation channel and the second circulation channel, the energy required by the whole device in the working process is greatly reduced, and resources are saved;

3. through the cooperation of dwang and cylinder, guaranteed the clean and tidy of conveyer belt, improved the security of product.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive work.

FIG. 1 is an overall view of the present invention;

FIG. 2 is a cross-sectional view of the filter assembly of the present invention;

fig. 3 is a cross-sectional view of the present invention;

fig. 4 is a rear view of the present invention.

In the drawings, the reference numbers indicate the following list of parts:

1. a housing; 2. a hot air blower; 3. a filtration device; 301. a filter box; 302. an air inlet pipe; 303. a first filter screen; 304. an air outlet pipe; 4. a wind guide box; 5. a first circulation path; 6. a second circulation path; 7. a conveyor means; 701. a rotating shaft; 702. rotating the rod; 703. a drum; 704. a conveyor belt; 8. the first through opening is penetrated; 9. the second through port is penetrated; 10. the third through port is penetrated; 11. and a second filter screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. All other embodiments obtained by a person skilled in the art without making creative efforts based on the embodiments in the utility model belong to the protection scope of the utility model.

In the description of the present invention, it should be understood that the terms "open hole", "upper", "lower", "top", "middle", "inner", etc. indicate an orientation or positional relationship merely for convenience of description of the invention and to simplify the description, and do not indicate or imply that the indicated component or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Please refer to fig. 1-4, the utility model relates to a heated air circulation tunnel furnace, which comprises a

housing

1, 1 upper surface right side fixedly connected with air heater 2 of shell, 2 left sides fixedly connected with filter equipment 3 of air heater, 3 left sides fixedly connected with air guide box 4 of filter equipment, shell 1 is along the first circulation path 5 of fixedly connected with around the internal surface, first circulation path 5 is along internal surface fixedly connected with second circulation path 6, the inside fixedly connected with conveyer belt device 7 of shell 1.

In an embodiment, for the above-mentioned filter device 3, the filter device 3 includes the filter box 301, the filter box 301 right side fixedly connected with air inlet pipe 302, the inside fixedly connected with filter screen 303 of filter box 301, the filter box 301 left side fixedly connected with goes out the tuber pipe 304, it goes out tuber pipe 304 round end fixed connection wind guide box 4 to preliminary filtration air heater 2 produces wind, and then guaranteed that the product can not receive the pollution that the impurity that produces when the air-out of air heater 2 caused. In addition, when the filter screen I303 is specifically applied, a material with high heat resistance and good adsorbability is selected.

In one embodiment, for the air guide box 4, the air guide box 4 is an inverted quadrangular frustum, the casing 1 is provided with a first through opening 8, and the lower surface of the air guide box 4 is completely attached to the first through opening 8, so that the quadrangular frustum structure can accelerate the conduction speed of hot air, and the hot air guided by the air guide box 4 can enter a drying and circulating system of the casing 1, thereby communicating the whole device.

In an embodiment, for the first circulation channel 5, the first circulation channel 5 is provided with a second through opening 9, and the second through opening 9 is located right below the first through opening 8, so that the air guided out by the air guide box 4 can enter the first circulation channel 5 again for circulation, the hot air can reach the second through opening 9 through the first circulation channel 5, and the heat energy can be recycled, thereby saving resources.

In one embodiment, for the second circulation channel 6, the second circulation channel 6 is provided with a third through opening 10, and the third through opening 10 is located right below the second through opening 9, so that the hot air can reach the third through opening 10 through the second circulation channel 6, and the heat energy is recycled, thereby reducing the energy consumption.

In one embodiment, for the three through openings 10, the inner surface of the three through openings 10 is fixedly connected with the second filter screen 11, so that when hot air circulates in the tunnel furnace, air at the inlet of the flow line is driven to enter, and at the moment, the second filter screen 11 filters impurities brought in the air, thereby ensuring that the product cannot be polluted by the impurities in the air. In addition, when the filter screen is specifically applied, the second filter screen 11 should be made of a material with strong heat resistance and strong adsorbability.

In an embodiment, for the above conveyor belt device 7, the conveyor belt device 7 is provided with a rotating shaft 701, two sides of the outer surface of the rotating shaft 701 are rotatably connected with a rotating rod 702, the middle of the rotating rod 702 is rotatably connected with a roller 703, the conveyor belt device 7 includes a conveyor belt 704, the width of the conveyor belt 704 is the same as the height of the roller 703, so that the rotating shaft 701 rotates to drive the conveyor belt 704 to rotate, a product is sent to a through opening three 10, and the rotating rod 702 can be rotated when drying is finished, so that the roller 703 is attached to the conveyor belt 704 for cleaning, thereby ensuring the cleanliness of the conveyor belt 704 in the next operation and improving the safety of the product.

To sum up, with the aid of the above-mentioned technical scheme of the utility model, deliver to running through under the opening three 10 through starting conveyer belt 704, start air heater 2, hot-blast entering filter equipment 3 of air heater 2 drive, get into rose box 301 through air-supply line 302, filter for the first time when hot-blast through filter screen 303, filter impurity in the air heater 2 this moment, the security of product has been improved, hot-blast entering air guide box 4 through play tuber pipe 304, heat the product in getting into shell 1 through air guide box 4's direction, in the heating process, hot-blast first entering first circulation channel 5 in the tunnel furnace circulates, reach and run through opening three 10 departments, filter for the second time through filter screen two 11, filter the impurity in the outside air that brings because of heated air circulation this moment, the security of product has been guaranteed, hot-blast still can get into second circulation channel 6 and circulate, it runs through two 9 dwangs of air guide box, heat the product once more through the direction of air guide box 4, filter for the second time through two filter screens 11 simultaneously, rotatable cleaning is carried out after the work finishes to conveyer belt 704, guarantee clean to conveyer belt 704.

Through the technical scheme, 1, through the cooperation of the filtering device 3 and the hot air blower 2, the penetration port III 10 and the filter screen II 11, impurities sucked in during the work of the hot air circulation assembly line are completely filtered, and the safety and reliability of a product are greatly improved; 2. through the cooperation of the first circulation channel 5 and the second circulation channel 6, the energy required by the whole device in the working process is greatly reduced, and the resources are saved; 3. by the cooperation of the rotating rod 702 and the roller 703, the tidiness of the conveyor belt 704 is ensured, and the safety of the product is improved.

In the description of the present specification, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended only to help illustrate the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A hot air circulation tunnel furnace, includes shell (1), its characterized in that: the air heater is characterized in that an air heater (2) is fixedly connected to the right side of the upper surface of the shell (1), a filtering device (3) is fixedly connected to the left side of the air heater (2), an air guide box (4) is fixedly connected to the left side of the filtering device (3), a first circulating channel (5) is fixedly connected to the periphery of the inner surface of the shell (1), a second circulating channel (6) is fixedly connected to the inner surface of the first circulating channel (5), and a conveyor belt device (7) is fixedly connected to the inner portion of the shell (1).

2. The hot air circulation tunnel furnace according to claim 1, wherein the filtering device (3) comprises a filtering box (301), an air inlet pipe (302) is fixedly connected to the right side of the filtering box (301), a first filtering net (303) is fixedly connected to the inside of the filtering box (301), an air outlet pipe (304) is fixedly connected to the left side of the filtering box (301), and the round end face of the air outlet pipe (304) is fixedly connected with the air guide box (4).

3. A hot-air circulation tunnel furnace according to claim 1, characterized in that the air guide box (4) is an inverted quadrangular frustum pyramid, the housing (1) is provided with a first through opening (8), and the lower surface of the air guide box (4) is completely attached to the first through opening (8).

4. A hot-air circulation tunnel furnace according to claim 3, characterized in that the first circulation channel (5) is provided with a second through opening (9), the second through opening (9) being located directly below the first through opening (8).

5. A hot-air circulating tunnel furnace according to claim 4, characterized in that the second circulating channel (6) is provided with a third through opening (10), the third through opening (10) being located directly below the second through opening (9).

6. The hot air circulation tunnel furnace according to claim 5, wherein a second filter screen (11) is fixedly connected to the inner surface of the third through opening (10).

7. The hot air circulation tunnel furnace according to claim 1, wherein the conveyor belt device (7) is provided with a rotating shaft (701), rotating rods (702) are rotatably connected to two sides of the outer surface of the rotating shaft (701), a roller (703) is rotatably connected to the middle of the rotating rods (702), the conveyor belt device (7) comprises a conveyor belt (704), and the width of the conveyor belt (704) is the same as the height of the roller (703).