CN219160896U

CN219160896U - Air return spiral heat supply drying furnace

Info

Publication number: CN219160896U
Application number: CN202223175714.5U
Authority: CN
Inventors: 薛旭成; 付东波
Original assignee: Qingdao Yidecheng Agriculture And Animal Husbandry Co ltd
Current assignee: Qingdao Yidecheng Agriculture And Animal Husbandry Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-06-09
Anticipated expiration: 2032-11-29

Abstract

The utility model provides a drying furnace with return air for spiral heat supply, and relates to the technical field of drying furnaces. Comprising the following steps: the burner is connected with the combustion chamber, the combustion chamber is positioned in the furnace body, a gas channel is reserved between the combustion chamber and the inner wall of the furnace body, the gas channel is communicated with the fan and the air outlet, the fan is provided with an air inlet, the furnace body is provided with an air outlet, and the air inlet and the air outlet are respectively communicated with an air flow channel of heated equipment. According to the utility model, the drying furnace extracts the air with the waste heat in the heated equipment for circulating heating, so that the waste heat of the air in the heated equipment is fully utilized, and the waste of heat is avoided; the temperature of the circulating gas is fast; the spiral flange is arranged on the outer wall of the combustion chamber, so that the gas channel is designed into a spiral air channel, the path of circulating air in the drying furnace is prolonged, and the circulating air flows in the furnace more uniformly; the double-layer design is carried out on the drying furnace, and the heat insulation flange and the cement layer are arranged at the end part, so that heat dissipation can be prevented.

Description

Air return spiral heat supply drying furnace

Technical Field

The utility model relates to the technical field of drying ovens, in particular to a drying oven with air return spiral heat supply.

Background

The vehicle is disinfected and dried when passing through the high-temperature drying room, and the problems of slow heating, waste in the heating process and the like exist at present.

Disclosure of Invention

The utility model provides a drying furnace with return air for spiral heat supply, which extracts air with waste heat in heated equipment for circular heating and solves the technical problems.

The specific technical scheme is that the drying furnace of return air spiral heat supply includes: the burner is connected with a combustion chamber, the combustion chamber is positioned in the furnace body, a gas channel is reserved between the combustion chamber and the inner wall of the furnace body, the gas channel is communicated with the fan and the air outlet, the fan is provided with an air inlet, the furnace body is provided with an air outlet, and the air inlet and the air outlet are respectively communicated with an air flow channel of heated equipment.

Preferably, a spiral flange is arranged on the outer wall of the combustion chamber, and a spiral air passage is formed between the outer wall of the combustion chamber and the inner wall of the furnace body.

Preferably, the furnace body is of a double-layer shell structure, the inner shell is positioned in the outer shell, and a channel is reserved between the inner shell and the outer shell.

Preferably, the first rear end plate is fixedly arranged at the outer end parts of the combustion chamber and the inner wall of the furnace body, and the second rear end plate is fixedly arranged at the rear end part of the combustion chamber.

Preferably, the heat insulation flange is fixedly arranged on the outer wall of the combustion chamber, the rear end of the inner wall of the inner shell and the inner side of the first rear end plate, and the cement layer is fixedly arranged on the inner side of the second rear end plate.

Preferably, a support flange is mounted between the inner and outer shells.

Preferably, the furnace body is erected on the support frame, and a hanging ring is arranged above the furnace body.

Compared with the prior art, the utility model has the following technical advantages: according to the utility model, the drying furnace extracts the air with the waste heat in the heated equipment for circulating heating, so that the waste heat of the air in the heated equipment is fully utilized, the waste of heat is avoided, and the fuel can be saved; besides the first heating, the initial temperature of the subsequently heated air is high, and the temperature of the circulating gas is fast; the spiral flange is arranged on the outer wall of the combustion chamber, so that the gas channel is designed into a spiral air channel, the path of circulating air in the drying furnace is prolonged, and the circulating air flows in the furnace more uniformly; the double-layer design and the end part of the drying furnace are provided with the heat insulation flange and the cement layer, so that heat dissipation can be prevented, and the use safety is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the structure of the present utility model

Figure 2 is a front view of the present utility model,

figure 3 is a left side view of the present utility model,

figure 4 is a cross-sectional view at A-A in figure 3,

figure 5 is a schematic view of the use of the utility model in an installation,

wherein: 1. furnace body, 2, fan, 3, combustor, 4, shell, 5, inner shell, 6, support flange, 7, combustion chamber, 8, spiral flange, 9, rings, 10, first back end plate, 11, second back end plate, 12, cement layer, 13, thermal-insulated flange, 14, support frame, 15, air outlet, 16, air intake, 17, stoving room.

Detailed Description

The present utility model will be described in further detail with reference to the embodiments and the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent. The exemplary embodiments of the present utility model and the descriptions thereof are used herein to explain the present utility model, but are not intended to limit the utility model.

In the description of the present utility model, it should be noted that the terms "inner", "outer", "left" and "right" are used for indicating orientations or positional relationships based on the positional relationships shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1 and fig. 3 to 5, the drying oven for spiral heat supply of return air includes: furnace body 1, install fan 2 and combustor 3 of furnace body 1 air inlet department, combustor 3 is being connected combustion chamber 7, combustion chamber 7 is located inside the furnace body 1, combustion chamber 7 with leave the gas passage between the furnace body 1 inner wall, the gas passage is being linked together fan 2 with air outlet 15, it has air intake 16 to open on the fan 2, it has air outlet 15 to open on the furnace body 1, air intake 16 with air outlet 15 are being linked together the air current way of firing equipment respectively.

The burner 3 is a device for ejecting fuel and air to mix and burn in a certain manner. The heating equipment can be household or factory workshop heating equipment or drying room 17.

Taking the drying room 17 as an example for the operation of the drying furnace, the air inlet 16 of the fan 2 and the air outlet 15 of the furnace body 1 are respectively communicated with the air flow passage of the drying room 17. The burner 3 is connected with a gas/diesel pipeline, and a drying furnace is arranged between devices beside the drying room 17. When the air dryer is used, the burner 3 is ignited, the fan 2 is operated, air in the air flow channel of the drying room 17 enters the air channel for heating after passing through the fan 2, and finally, heat generated by the burner 3 is carried into the air flow channel of the drying room 17 again through the air pipe from the air outlet 15 for heating the drying room 17. The drying furnace extracts the air with the waste heat in the drying room 17 for circulating heating, fully utilizes the waste heat of the air in the drying room 17, avoids heat waste and can save fuel; besides the first heating, the initial temperature of the subsequently heated air is high, the heating temperature of the circulating gas is fast, and the heat supply efficiency to the drying room 17 is higher. The integrated level is high, the power is high, one drying room 17 is used in the south area, and two drying rooms are used in the northeast area, so that the drying requirement can be met.

In one embodiment, the outer wall of the combustion chamber 7 is provided with a spiral flange 8, and a spiral air passage is formed between the outer wall of the combustion chamber 7 and the inner wall of the furnace body 1. Through be equipped with spiral flange 8 the outer wall of combustion chamber 7, design the gas passage into spiral air flue, prolonged the inside route of circulating air in the drying furnace and made circulating air more even in the stove flow, in time take away the heat that combustion chamber 7 produced effectively avoids the appearance of stove internal local high temperature.

In one embodiment, the furnace body 1 has a double-layer shell structure, the inner shell 5 is located in the outer shell 4, and a channel is reserved between the inner shell 5 and the outer shell 4. The drying furnace with the double-layer shell structure can play a role in heat insulation, prevent heat loss, avoid personnel scalding and increase use safety.

In one embodiment, the first rear end plate 10 is fixedly mounted on the outer end of the inner wall of the furnace body 1 and the combustion chamber 7, and the second rear end plate 11 is fixedly mounted on the rear end of the combustion chamber 7. The split type plugging structure is convenient for different designs of the heat insulation layers.

In one embodiment, a heat insulation flange 13 is fixedly installed on the outer wall of the combustion chamber 7 and the inner wall rear end of the inner shell 5 and the inner side of the first rear end plate 10, and a cement layer 12 is fixedly installed on the inner side of the second rear end plate 11. Both the insulating flange 13 and the cement layer 12 prevent heat loss and increase safety in use, wherein the combustion chamber 7 part directly faces the heat source and requires a reinforced insulating layer design.

In one embodiment, a support flange 6 is mounted between the inner housing 5 and the outer housing 4. The integral strength of the drying furnace is enhanced.

In one embodiment, referring to fig. 2, the furnace body 1 is erected on a supporting frame 14, and a hanging ring 9 is arranged above the furnace body 1. The supporting frame 14 is convenient for placing the drying furnace, and the hanging ring 9 is convenient for transferring the drying furnace.

Example 1: as will be appreciated in connection with fig. 1 and 3-5, the return air spiral heat supply dryer includes: furnace body 1, install fan 2 and combustor 3 in furnace body 1 air inlet department, wherein, combustor 3 is a device that makes fuel and air blowout mix burning in a certain mode, combustor 3 is connected combustion chamber 7, combustion chamber 7 is located inside furnace body 1, the axis of combustion chamber 7 is on a parallel with the axis of furnace body 1, combustion chamber 7 with leave the gas passage between the furnace body 1 inner wall, the gas passage is linked together fan 2 with air outlet 15, it has air intake 16 to open on the fan 2, it has air outlet 15 to open on the furnace body 1, air intake 16 with air outlet 15 are linked together the air current way of stoving room 17 respectively.

Example 2: on the basis of the structure of embodiment 1, the outer wall of the combustion chamber 7 is provided with a spiral flange 8, and a spiral gas channel is formed between the outer wall of the combustion chamber 7 and the inner wall of the inner shell 5.

Example 3: on the basis of the structure of the embodiment 1, the furnace body 1 is of a double-layer shell structure, the inner shell 5 is positioned in the outer shell 4, and a channel is reserved between the inner shell 5 and the outer shell 4; the combustion chamber 7 and the outer end part of the inner wall of the furnace body 1 are fixedly provided with a first rear end plate 10 for plugging, and the rear end part of the combustion chamber 7 is fixedly provided with a second rear end plate 11 for plugging; the heat insulation flange 13 is fixedly arranged on the outer wall of the combustion chamber 7, the rear end of the inner wall of the inner shell 5 and the inner side of the first rear end plate 10, and the cement layer 12 is fixedly arranged on the inner side of the second rear end plate 11.

Example 4: on the basis of the construction of embodiment 3, a support flange 6 is mounted between the inner shell 5 and the outer shell 4.

Example 5: based on the structures of embodiments 1-4, referring to fig. 2, the furnace body 1 is erected on a supporting frame 14, and a hanging ring 9 is arranged above the furnace body 1.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the utility model in any way, and any person skilled in the art may make modifications or alterations to the equivalent embodiments using the technical disclosure described above. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present utility model still fall within the protection scope of the technical solution of the present utility model.

Claims

1. The utility model provides a dry-off oven of return air spiral heat supply which characterized in that includes: furnace body (1), install fan (2) and combustor (3) of furnace body (1) air inlet department, combustor (3) are being connected combustion chamber (7), combustion chamber (7) are located inside furnace body (1), combustion chamber (7) with leave gas passage between furnace body (1) inner wall, gas passage is being linked together fan (2) and air outlet (15), it has air intake (16) to open on fan (2), it has air outlet (15) to open on furnace body (1), air intake (16) with air outlet (15) are being linked together the air current way of firing equipment respectively.

2. The air return spiral heat supply drying furnace according to claim 1, wherein the outer wall of the combustion chamber (7) is provided with a spiral flange (8), and a spiral air passage is formed between the outer wall of the combustion chamber (7) and the inner wall of the furnace body (1).

3. A spiral heat supply back-air drying oven according to claim 2, characterized in that the oven body (1) is of a double-layer shell structure, the inner shell (5) is located in the outer shell (4) and a channel is left between the inner shell (5) and the outer shell (4).

4. A spiral heat supply back-air drying oven according to claim 3, characterized in that the first back end plate (10) is fixedly installed on the outer end parts of the combustion chamber (7) and the inner wall of the oven body (1), and the second back end plate (11) is fixedly installed on the back end part of the combustion chamber (7).

5. The air return spiral heat supply drying furnace according to claim 4, wherein a heat insulation flange (13) is fixedly arranged on the outer wall of the combustion chamber (7) and the inner wall rear end of the inner shell (5) and the inner side of the first rear end plate (10), and a cement layer (12) is fixedly arranged on the inner side of the second rear end plate (11).

6. A spiral-backed air heating drying oven according to claim 3, characterized in that a support flange (6) is installed between the inner shell (5) and the outer shell (4).

7. A spiral heat supply dryer according to any one of claims 1-6, wherein the oven body (1) is arranged on a supporting frame (14), and a hanging ring (9) is arranged above the oven body (1).