CN218764521U - Heated air circulation's heating tunnel furnace - Google Patents
Heated air circulation's heating tunnel furnace Download PDFInfo
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- CN218764521U CN218764521U CN202223384112.0U CN202223384112U CN218764521U CN 218764521 U CN218764521 U CN 218764521U CN 202223384112 U CN202223384112 U CN 202223384112U CN 218764521 U CN218764521 U CN 218764521U
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Abstract
The utility model provides a heated air circulation's heating tunnel furnace, include: a base plate; the furnace body is fixed at the top of the bottom plate, and openings are formed in the two sides of the furnace body; the material conveying belt is arranged inside the furnace body, and two ends of the material conveying belt extend to the outside of the furnace body through the two openings; a plurality of circulation heating frame, a plurality of circulation heating frame all are fixed in the inside of furnace body. The utility model provides a heated air circulation's heating tunnel furnace carries out the heat derivation through the heat conduction fin of circulation heating frame both sides, further heats the position of material conveyer belt, abundant utilizes the hot gas body, and through the inclined baffle of two sets of cross arrangement, can improve its gaseous time of flowing inside the circulation heating frame, and then improve the heat transfer sufficiency, not only have heated air circulation's function, but also have a lot of waste heat utilization's function, the energy-concerving and environment-protective performance of heating tunnel furnace has been improved.
Description
Technical Field
The utility model relates to a heating tunnel furnace field especially relates to a heated air circulation's heating tunnel furnace.
Background
The tunnel furnace is a tunnel type mechanical device for baking food through heat conduction, convection and radiation; the baking chamber is a long and narrow tunnel, and a continuously running conveying system is arranged in 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 mesh belt, thereby completing the uniform baking and conveying work.
When food or other materials are heated, the corresponding tunnel furnace is generally needed, continuous production can be realized through the tunnel furnace, the production efficiency is high, manpower is saved, and the baking quality is stable.
Among the correlation technique, current tunnel furnace is when heating the material, generally adopts the mobile mode of high-temperature gas to heat in order to improve its tunnel furnace's energy-conservation nature, and the surplus hot gas body after generally heating can adopt the endless mode to collect the utilization, and the high-temperature gas of current tunnel furnace flows the back, can discharge rapidly through the pipeline, and the time of air current in the stove is more, can not fully play the heat transfer effect, and then can't fully utilize the high temperature in the air current.
Therefore, it is necessary to provide a heating tunnel furnace with hot air circulation to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a heated air circulation's heating tunnel furnace, it is more to have solved the time of air current in the stove, can't fully utilize the high temperature in the air current to can not fully play the problem of heat transfer effect.
In order to solve the technical problem, the utility model provides a heated air circulation's heating tunnel furnace includes:
a base plate;
the furnace body is fixed at the top of the bottom plate, and openings are formed in two sides of the furnace body;
the material conveying belt is arranged inside the furnace body, and two ends of the material conveying belt extend to the outside of the furnace body through the two openings;
the plurality of circulating heating frames are fixed inside the furnace body and are positioned inside the material conveying belt;
the heating assembly is arranged at the top of the furnace body;
the circulating assembly is arranged inside the furnace body, and the heating assembly, the circulating assembly and the plurality of circulating heating frames are connected through pipelines;
the heat conduction fins are fixedly connected to the two sides of the circulating heating frame, and the inclined baffles which are arranged in a crossed mode are fixedly connected to the top and the bottom of the inner wall of the circulating heating frame.
Preferably, the both sides at bottom plate top all are connected with the transfer roller through the support rotation, and two transfer rollers pass through the material conveyer belt transmission and connect.
Preferably, a motor is fixedly connected to one of the supports, and an output shaft of the motor is fixedly connected to the conveying roller on the support.
Preferably, the heating assembly comprises a plurality of U-shaped pipes fixed on the front side of the furnace body, one ends of the U-shaped pipes are respectively communicated with the interiors of the plurality of circulating heating frames, the other ends of the U-shaped pipes are communicated with the interiors of the furnace body, a discharge pipe is fixedly connected to the back side of the furnace body, and the discharge pipe is communicated with the interiors of the plurality of circulating heating frames through a plurality of branch pipes.
Preferably, the heating assembly comprises a heating box fixed at the top of the furnace body and an air-equalizing plate arranged between two sides of the inner wall of the furnace body, the air-equalizing plate and the heating box are communicated through a plurality of through pipes, the back of the furnace body is fixedly connected with an air suction pump, and an air outlet and an air suction port of the air suction pump are respectively communicated with the heating box and the inside of a discharge pipe through pipes.
Preferably, two sides of the air equalizing plate are respectively connected with two sides of the inner wall of the furnace body in a sliding manner.
Preferably, the top of the inner wall of the furnace body is rotatably connected with a bidirectional screw rod, the outer surfaces of the two ends of the bidirectional screw rod are in threaded connection with threaded blocks, a connecting rod is hinged between the bottom of each threaded block and the top of each air equalizing plate, and one end of the bidirectional screw rod penetrates through the furnace body and extends to the outside of the furnace body.
Compared with the prior art, the utility model provides a heated air circulation's heating tunnel furnace has following beneficial effect:
the utility model provides a heated air circulation's heating tunnel furnace, can heat the material on the material conveyer belt through heating element and handle, and the setting through circulation subassembly, gas after can heating is arranged to a plurality of circulation heating frame in, heat conduction fin through circulation heating frame both sides carries out the heat and derives, further heat the position of material conveyer belt, abundant utilize the waste heat gas, and through two sets of cross arrangement's inclined baffle, can improve the time of its gas at the inside flow of circulation heating frame, and then improve the heat transfer sufficiency, not only has heated air circulation's function, and have a function of waste heat utilization many times, the energy-concerving and environment-protective properties of heating tunnel furnace has been improved.
Drawings
Fig. 1 is a schematic structural view of a first embodiment of a heated air circulation heating tunnel furnace provided by the present invention;
FIG. 2 is a rear view of the structure of the heated air-circulating heating tunnel furnace shown in FIG. 1;
FIG. 3 is a sectional view showing the structure of a heated air-circulating heating tunnel furnace shown in FIG. 1;
FIG. 4 is a cross-sectional side view of the cyclical heating block of FIG. 3;
fig. 5 is a schematic structural view of a second embodiment of the heated air circulation heating tunnel furnace provided by the present invention.
Reference numbers in the figures: 1. a base plate; 2. a furnace body; 3. a material conveying belt; 4. a circulating heating frame; 41. a heat conductive fin; 42. an inclined baffle plate; 5. a conveying roller; 6. a motor; 7. a U-shaped pipe; 8. a discharge pipe; 9. a heating box; 10. a wind equalizing plate; 11. a suction pump; 12. a bidirectional screw rod; 13. a thread block; 14. a connecting rod.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
First embodiment
Please refer to fig. 1, fig. 2, fig. 3, and fig. 4 in combination, wherein fig. 1 is a schematic structural diagram of a first embodiment of a heated air circulation heating tunnel furnace provided by the present invention; FIG. 2 is a rear view of the structure of the heated air-circulating heating tunnel furnace shown in FIG. 1; FIG. 3 is a sectional view showing the structure of a heated air-circulating heating tunnel furnace shown in FIG. 1; fig. 4 is a cross-sectional side view of the cyclical heating block shown in fig. 3. The heated air circulating heating tunnel furnace includes:
a base plate 1;
the furnace body 2 is fixed at the top of the bottom plate 1, and openings are formed in two sides of the furnace body 2;
the material conveying belt 3 is arranged inside the furnace body 2, and two ends of the material conveying belt 3 extend to the outside of the furnace body 2 through two openings;
the plurality of circulating heating frames 4 are fixed inside the furnace body 2, and the plurality of circulating heating frames 4 are positioned inside the material conveying belt 3;
the heating assembly is arranged at the top of the furnace body 2;
the circulating assembly is arranged inside the furnace body 2, and the heating assembly, the circulating assembly and the plurality of circulating heating frames 4 are connected through pipelines;
wherein, both sides of the circulating heating frame 4 are fixedly connected with heat-conducting fins 41, and the top and the bottom of the inner wall of the circulating heating frame 4 are fixedly connected with inclined baffles 42 which are arranged in a crossed manner;
the materials on the material conveying belt 3 can be heated through the heating assembly, and heated gas can be discharged into the plurality of circulating heating frames 4 through the arrangement of the circulating assembly;
heat is led out through the heat conduction fins 41 on the two sides of the circulating heating frame 4, the position of the material conveying belt 3 is further heated, and residual heat gas is fully utilized;
through the inclined baffles 42 which are arranged in a two-group cross mode, the time of gas flowing inside the circulating heating frame 4 can be prolonged, the heat exchange sufficiency is further improved, the hot air circulating function is achieved, the function of multiple times of waste heat utilization is achieved, and the energy-saving and environment-friendly performance of the heating tunnel furnace is improved.
The two sides of the top of the bottom plate 1 are rotatably connected with conveying rollers 5 through supports, and the two conveying rollers 5 are in transmission connection through a material conveying belt 3;
through the rotation of two transfer rollers 5, can drive material conveyer belt 3 and carry out rotary motion, through the rotary motion of material conveyer belt 3, can drive the material that needs the heating and carry to the inside of furnace body 2, carry out heat treatment.
A motor 6 is fixedly connected to one of the supports, and an output shaft of the motor 6 is fixedly connected with a conveying roller 5 on the support;
The heating assembly comprises a plurality of U-shaped pipes 7 fixed on the front side of the furnace body 2, one ends of the U-shaped pipes 7 are respectively communicated with the interiors of the plurality of circulating heating frames 4, the other ends of the U-shaped pipes 7 are communicated with the interior of the furnace body 2, the back side of the furnace body 2 is fixedly connected with a discharge pipe 8, and the discharge pipe 8 is communicated with the interiors of the plurality of circulating heating frames 4 through a plurality of branch pipes;
through the setting of U type pipe 7 for in a plurality of circulation heating frame 4 of discharging the gas after 2 internal heating of furnace bodies, carry out the secondary heating through heating frame 4 to the material on the material conveyer belt 3, abundant surplus hot gas utilizes, and the gas after utilizing is discharged to discharge pipe 8 in addition, waits for heating element's collection.
The heating assembly comprises a heating box 9 fixed at the top of the furnace body 2 and an air-equalizing plate 10 arranged between two sides of the inner wall of the furnace body 2, the air-equalizing plate 10 is communicated with the heating box 9 through a plurality of through pipes, the back of the furnace body 2 is fixedly connected with an air suction pump 11, and an air outlet and an air suction port of the air suction pump 11 are respectively communicated with the heating box 9 and the interior of the discharge pipe 8 through pipelines;
through the setting of suction pump 11, can absorb the inside residual heat gas of discharge pipe 8 to arrange to carry out circulation heating in the heating cabinet 9, the gas after the heating passes through the pipeline and arranges to the aerofoil 10 in, evenly discharges through aerofoil 10, carries out heat treatment to the material on the material conveyer belt 3.
The utility model provides a heated air circulation's heating tunnel furnace's theory of operation as follows:
through the start-up of suction pump 11, can absorb the inside residual heat gas of discharge pipe 8, and arrange to carry out the circulation heating in heating box 9, gas after the heating is arranged to wind-equalizing plate 10 through the pipeline, evenly discharge through wind-equalizing plate 10, carry out the heat treatment to the material on the material conveyer belt 3, residual heat gas after the heat treatment arranges to a plurality of circulation heating frame 4 through a plurality of U type pipe 7 in, carry out the heat derivation through the heat conduction fin 41 of circulation heating frame 4 both sides, further heat the position of material conveyer belt 3, abundant utilize residual heat gas, and through the inclined baffle 42 of two sets of alternately setting, can improve its gas in the inside mobile time of circulation heating frame 4, and then improve the sufficiency of heat transfer time, gas after the heat transfer, discharge pipe 8 once more, wait for the extraction.
Second embodiment
Referring to fig. 5, a second embodiment of the present application provides another heated air circulation heating tunnel furnace based on the heated air circulation heating tunnel furnace provided in the first embodiment of the present application. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the heating tunnel furnace with hot air circulation provided by the second embodiment of the present application is different in that two sides of the air-equalizing plate 10 are respectively connected to two sides of the inner wall of the furnace body 2 in a sliding manner;
adopt gliding mode to connect through air-equalizing plate 10, the motion of air-equalizing plate 10 of being convenient for and the interval between the material conveyer belt 3 is adjusted, and the siphunculus adopts the bellows moreover.
The top of the inner wall of the furnace body 2 is rotatably connected with a bidirectional screw rod 12, the outer surfaces of two ends of the bidirectional screw rod 12 are both in threaded connection with a threaded block 13, a connecting rod 14 is hinged between the bottom of the threaded block 13 and the top of the air-equalizing plate 10, and one end of the bidirectional screw rod 12 penetrates through the furnace body 2 and extends to the outside of the furnace body 2;
through the rotation of hand to two-way lead screw 12, can drive two screw thread pieces 13 and move relatively or from each other the direction, and then can drive the fan-shaped drive of two connecting rods 14, finally can drive the air-equalizing plate 10 and move from top to bottom, adjust the distance between the material conveyer belt 3, and then improve its heating effect.
The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention can be used in other related technical fields, directly or indirectly, or in the same way as the present invention.
Claims (7)
1. A heated air circulating heating tunnel furnace, comprising:
a base plate (1);
the furnace body (2) is fixed at the top of the bottom plate (1), and openings are formed in two sides of the furnace body (2);
the material conveying belt (3) is arranged inside the furnace body (2), and two ends of the material conveying belt (3) extend to the outside of the furnace body (2) through two openings;
the circulating heating frames (4) are all fixed inside the furnace body (2), and the circulating heating frames (4) are all positioned inside the material conveying belt (3);
the heating component is arranged at the top of the furnace body (2);
the circulating assembly is arranged inside the furnace body (2), and the heating assembly, the circulating assembly and the plurality of circulating heating frames (4) are connected through pipelines;
the heat conduction fins (41) are fixedly connected to the two sides of the circulating heating frame (4), and the inclined baffles (42) which are arranged in a crossed mode are fixedly connected to the top and the bottom of the inner wall of the circulating heating frame (4).
2. The heated air circulation heating tunnel furnace according to claim 1, characterized in that the two sides of the top of the bottom plate (1) are rotatably connected with conveying rollers (5) through supports, and the two conveying rollers (5) are in transmission connection through the material conveying belt (3).
3. Heated air circulating heating tunnel according to claim 2, characterised in that a motor (6) is fixedly connected to one of the supports, the output shaft of said motor (6) being fixedly connected to the conveyor roller (5) on the support.
4. The heated air circulation heating tunnel furnace according to claim 1, wherein the heating assembly comprises a plurality of U-shaped pipes (7) fixed on the front side of the furnace body (2), one ends of the U-shaped pipes (7) are respectively communicated with the interiors of the circulating heating frames (4), the other ends of the U-shaped pipes (7) are communicated with the interior of the furnace body (2), a discharge pipe (8) is fixedly connected to the back side of the furnace body (2), and the discharge pipe (8) is communicated with the interiors of the circulating heating frames (4) through a plurality of branch pipes.
5. The heated air circulation heating tunnel furnace of claim 4, wherein the heating assembly comprises a heating box (9) fixed on the top of the furnace body (2) and an air-equalizing plate (10) arranged between two sides of the inner wall of the furnace body (2), the air-equalizing plate (10) and the heating box (9) are communicated through a plurality of through pipes, the back of the furnace body (2) is fixedly connected with an air suction pump (11), and an air outlet and an air suction port of the air suction pump (11) are respectively communicated with the inside of the heating box (9) and the inside of the discharge pipe (8) through pipes.
6. The heated air circulating heating tunnel furnace of claim 5, characterized in that both sides of the air equalizing plate (10) are respectively connected with both sides of the inner wall of the furnace body (2) in a sliding manner.
7. The heated air circulation heating tunnel furnace of claim 6, characterized in that the top of the inner wall of the furnace body (2) is rotatably connected with a bidirectional screw rod (12), the outer surfaces of the two ends of the bidirectional screw rod (12) are both connected with a thread block (13) in a threaded manner, a connecting rod (14) is hinged between the bottom of the thread block (13) and the top of the air equalizing plate (10), and one end of the bidirectional screw rod (12) penetrates through the furnace body (2) and extends to the outside of the furnace body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223384112.0U CN218764521U (en) | 2022-12-16 | 2022-12-16 | Heated air circulation's heating tunnel furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223384112.0U CN218764521U (en) | 2022-12-16 | 2022-12-16 | Heated air circulation's heating tunnel furnace |
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| CN218764521U true CN218764521U (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223384112.0U Active CN218764521U (en) | 2022-12-16 | 2022-12-16 | Heated air circulation's heating tunnel furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117925990A (en) * | 2024-03-18 | 2024-04-26 | 内蒙古丰洲材料有限公司 | Double-vehicle-position tunnel furnace |
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2022
- 2022-12-16 CN CN202223384112.0U patent/CN218764521U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117925990A (en) * | 2024-03-18 | 2024-04-26 | 内蒙古丰洲材料有限公司 | Double-vehicle-position tunnel furnace |
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