CN213747828U

CN213747828U - Energy-saving tunnel furnace

Info

Publication number: CN213747828U
Application number: CN202022313400.1U
Authority: CN
Inventors: 万红斌; 王利勤
Original assignee: Kunshan Fanqi Machinery Co ltd
Current assignee: Kunshan Fanqi Machinery Co ltd
Priority date: 2020-10-17
Filing date: 2020-10-17
Publication date: 2021-07-20
Anticipated expiration: 2030-10-17

Abstract

The utility model relates to an energy-saving tunnel furnace, which comprises a fixed table, wherein a fixed shell is fixedly arranged on the fixed table, a conveyer belt is arranged on the fixed table and penetrates through the fixed shell, a baffle is fixedly arranged in the inner cavity of the fixed shell, electric heating plates are fixedly arranged on both sides of the baffle, a mounting seat is symmetrically and fixedly arranged on the top of the fixed shell, a fan distributor is fixedly arranged in the mounting seat and positioned above the electric heating plates, a recovery pipe is fixedly arranged at the bottom of the inner cavity of the fixed shell, a circulating air heater is fixedly arranged on the top of the fixed shell and connected with the recovery pipe through an air guide pipe, a filter box is fixedly arranged on the air guide pipe, hot air is uniformly dispersed in the tunnel furnace, the drying effect of products is improved, and the circulating air heater can be circulated and reused after being filtered by the filter box when being opened, the utilization rate of the heat is improved, thereby saving a large amount of heating energy.

Description

Energy-saving tunnel furnace

Technical Field

The utility model relates to an energy-saving tunnel furnace belongs to tunnel furnace technical field.

Background

The tunnel furnace is a common device in the industries of material manufacturing, chemical engineering, food processing and the like, and generally comprises a furnace body, a conveying belt and a heating part, wherein the conveying belt and the heating part are arranged in the furnace body; but the self length of tunnel furnace is longer, and inside temperature uniformity is relatively poor, causes the temperature fluctuation in the tunnel furnace great, and the quality of toasting is inhomogeneous, and the heat utilization rate of tunnel furnace is lower simultaneously, and the heat after toasting gives off the air through the tunnel furnace in, can't reach better energy-conserving effect, and the heat gives off the air in addition, is unfavorable for the manual operation in workshop.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an energy-saving tunnel furnace lets hot-air homodisperse in the tunnel furnace, improves the product stoving effect, opens the circulation air heater simultaneously and can let hot-air circulation flow, filters the back reuse through the rose box, improves its thermal utilization ratio to a large amount of heating energy have been saved, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the energy-saving tunnel furnace comprises a fixed table, wherein a fixed shell is fixedly arranged on the fixed table, a conveyer belt is arranged on the fixed table, the conveyer belt penetrates through the fixed shell, a partition plate is fixedly arranged in the inner cavity of the fixed shell, electric heating plates are fixedly arranged on two sides of the partition plate, mounting seats are symmetrically and fixedly arranged on the top of the fixed shell, a fan distributor is fixedly arranged in each mounting seat, the fan distributor is located above the electric heating plates, a recovery pipe is fixedly arranged at the bottom of the inner cavity of the fixed shell, a circulating air heater is fixedly arranged at the top of the fixed shell and connected with the recovery pipe through an air guide pipe, and a filter box is fixedly arranged on the air guide pipe.

Furthermore, the fixed station bottom is fixed and is equipped with the supporting leg, the supporting leg bottom mounting is equipped with the friction pad.

Furthermore, a rectangular through hole used for moving the conveying belt is formed in two sides of the fixed shell, a lifting plate is arranged on the rectangular through hole, and a baffle is fixedly arranged on the inner side, located on the inner side of the rectangular through hole, of the inner cavity of the fixed shell.

Furthermore, the fixed shell comprises a shell, a ceramic heat insulation plate is fixedly arranged in the shell, and a heat insulation cotton layer is arranged between the ceramic heat insulation plate and the shell.

Furthermore, through holes are evenly formed in the recovery pipe, the air outlet pipe of the circulating air heater is respectively connected with the mounting seat, and electromagnetic valves are arranged in the air guide pipe and the air outlet pipe.

Further, the filter box inner chamber symmetry is fixed and is equipped with the filter, be equipped with the active carbon filter layer between the filter, and the play of filter box air intake is equipped with the equipartition board.

The utility model has the advantages that:

1. by arranging the air distribution machine, when the drying machine is used, a product is placed on the conveying belt and conveyed into the fixed shell, the electric heating plate is used for heating, and meanwhile, the air distribution machine is started to blow heat to the conveying belt, so that the product is dried, the heat distribution is more uniform, and the product drying effect is improved;

2. through setting up the recovery tube, after reacing appropriate temperature in fixed casing, can open circulation air heater to make the heat in the fixed casing get into in the recovery tube, filter the back through the rose box and carry to fixed casing once more in, let the hot-air circulation in the fixed casing flow, improve its thermal utilization ratio, thereby saved a large amount of heating energy.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is a schematic structural view of an energy-saving tunnel furnace of the present invention;

FIG. 2 is a schematic view of a fixed casing structure of the energy-saving tunnel furnace of the present invention;

FIG. 3 is a schematic structural view of a filter box of the energy-saving tunnel furnace of the present invention;

reference numbers in the figures: 1. a fixed table; 2. a stationary housing; 3. a conveyor belt; 4. a partition plate; 5. an electrical heating plate; 6. a mounting seat; 7. a fan is distributed; 8. a recovery pipe; 9. a circulating air heater; 10. a filter box; 11. supporting legs; 12. a rectangular through hole; 13. a baffle plate; 14. a housing; 15. a ceramic thermal baffle; 16. a heat insulation cotton layer; 17. a filter plate; 18. an active carbon filter layer.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an energy-saving tunnel furnace comprises a fixed table 1, wherein a fixed shell 2 is fixedly arranged on the fixed table 1, a conveyer belt 3 is arranged on the fixed table 1, the conveyer belt 3 penetrates through the fixed shell 2, a partition plate 4 is fixedly arranged in the inner cavity of the fixed shell 2, electric heating plates 5 are fixedly arranged on two sides of the partition plate 4, mounting seats 6 are symmetrically and fixedly arranged at the top of the fixed shell 2, a cloth fan 7 is fixedly arranged in the mounting seats 6, the cloth fan 7 is positioned above the electric heating plates 5, when the energy-saving tunnel furnace is used, a product is placed on the conveyer belt 3 and conveyed into the fixed shell 2, the product is heated through the electric heating plates 5, the cloth fan 7 is opened to blow heat to the conveyer belt 3, so that the product is dried, the heat distribution can be more uniform, the product drying effect is improved, a recovery pipe 8 is fixedly arranged at the bottom of the inner cavity of the fixed shell 2, a circulating air heater 9 is fixedly arranged at the top of the fixed shell 2, the circulating air heater 9 is connected with the recovery pipe 8 through the air guide pipe, the filter box 10 is fixedly arranged on the air guide pipe, and after the air in the fixed shell 2 reaches a proper temperature, the circulating air heater 9 can be started, so that heat in the fixed shell 2 enters the recovery pipe 8, the heat is filtered by the filter box 10 and then conveyed into the fixed shell 2 again, hot air in the fixed shell 2 flows circularly, the heat utilization rate is improved, and a large amount of heating energy is saved.

Specifically, as shown in fig. 1, the fixed supporting leg 11 that is equipped with in 1 bottom of fixed station, the fixed friction pad that is equipped with in supporting leg 11 bottom plays the effect of stable support to the tunnel furnace, 2 both sides of fixed casing are offered and are used for the rectangle through-hole 12 that 3 removal of conveyer belt, and are equipped with the lifter plate on the rectangle through-

hole

12, 2 inner chambers of fixed casing are located the fixed baffle 13 that is equipped with in rectangle through-hole 12 inboard, and when needs, can use the lifter plate to block rectangle through-hole 12, thereby avoid hot-air rectangle through-hole 12 department outwards to spill over, the through-hole has evenly been seted up on the recovery tube 8, circulation air heater 9 goes out the tuber pipe and is connected with mount pad 6 respectively, and all is equipped with the solenoid valve in guide duct, the air-out pipe, can let the hot-air after filtering get into fixed casing 2 once more.

Specifically, as shown in fig. 2, the fixed casing 2 includes a casing 14, a ceramic heat insulation board 15 is fixedly arranged in the casing 14, and a heat insulation cotton layer 16 is arranged between the ceramic heat insulation board 15 and the casing 14, so that a better heat insulation effect can be achieved, and heat loss can be prevented.

Specifically, as shown in fig. 3, the filter boxes 10 are symmetrically and fixedly provided with filter plates 17 in the inner cavity, active carbon filter layers 18 are arranged between the filter plates 17, and the air inlet outlet of the filter box 10 is provided with an equalizing plate, so that the filtering effect on hot air is increased, impurities are prevented from being generated during air circulation, and the quality of the hot air is prevented from being influenced.

The utility model discloses the theory of operation: put the product and carry to fixed casing 2 on conveyer belt 3 in, heat through electric heating board 5, open cloth fan 7 simultaneously and blow the heat to conveyer belt 3 on, thereby dry the product, can let the heat distribution more even, improve the product stoving effect, arrive after the appropriate temperature in fixed casing 2, can open circulation air heater 9, thereby make in the heat admission recovery tube 8 of fixed casing 2, carry again to fixed casing 2 in through rose box 10 filtration back, let the hot-air circulation flow in fixed casing 2, improve its thermal utilization ratio, thereby a large amount of heating energy has been saved.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. The utility model provides an energy-saving tunnel furnace, includes fixed station (1), its characterized in that: the improved heating device is characterized in that a fixing shell (2) is fixedly arranged on the fixing platform (1), a conveying belt (3) is arranged on the fixing platform (1), the conveying belt (3) penetrates through the fixing shell (2), a partition plate (4) is fixedly arranged in an inner cavity of the fixing shell (2), electric heating plates (5) are fixedly arranged on two sides of the partition plate (4), mounting seats (6) are symmetrically and fixedly arranged on the top of the fixing shell (2), a fan distributor (7) is fixedly arranged in the mounting seats (6), the fan distributor (7) is located above the electric heating plates (5), a recovery pipe (8) is fixedly arranged at the bottom of the inner cavity of the fixing shell (2), a circulating air heater (9) is fixedly arranged on the top of the fixing shell (2), the circulating air heater (9) is connected with the recovery pipe (8) through an air guide pipe, and a filter box (10) is fixedly arranged on the air guide pipe.

2. An energy saving tunnel furnace according to claim 1, characterized in that: the bottom of the fixed table (1) is fixedly provided with a supporting leg (11), and the bottom end of the supporting leg (11) is fixedly provided with a friction pad.

3. An energy saving tunnel furnace according to claim 1, characterized in that: the fixed casing (2) both sides are seted up and are used for rectangle through-hole (12) that conveyer belt (3) removed, and are equipped with the lifter plate on rectangle through-hole (12), fixed casing (2) inner chamber is located rectangle through-hole (12) inboard and fixedly is equipped with baffle (13).

4. An energy saving tunnel furnace according to claim 1, characterized in that: the fixed shell (2) comprises a shell (14), a ceramic heat insulation plate (15) is fixedly arranged in the shell (14), and a heat insulation cotton layer (16) is arranged between the ceramic heat insulation plate (15) and the shell (14).

5. An energy saving tunnel furnace according to claim 1, characterized in that: through holes are uniformly formed in the recovery pipe (8), the air outlet pipe of the circulating air heater (9) is respectively connected with the mounting seat (6), and electromagnetic valves are arranged in the air guide pipe and the air outlet pipe.

6. An energy saving tunnel furnace according to claim 1, characterized in that: the filter box is characterized in that filter plates (17) are symmetrically and fixedly arranged in the inner cavity of the filter box (10), an activated carbon filter layer (18) is arranged between the filter plates (17), and an equal distribution plate is arranged at the air inlet of the filter box (10).