Air duct structure of aging oven

Abstract

The utility model discloses an aging oven air duct structure which comprises a heat preservation pipe and an oven body, the heat preservation pipe is arranged on the side portion of the outer wall of the oven body, the upper end of the heat preservation pipe is connected with a lantern ring, the upper end and the lower end of the lantern ring are respectively provided with an inserting groove, and a fixing block corresponding to the lantern ring is arranged on the outer wall of the oven body. An adjusting bin is arranged in the fixing block, a pull rod is arranged in the adjusting bin, a handle is fixed to one end of the pull rod, an inserting block is fixed to the other end of the pull rod and connected with the inserting groove in a clamped mode, and a spring is connected between one end of the inserting block and one end of the inner wall of the adjusting bin; a protective cover is arranged at one end of the top of the furnace body, a draught fan is arranged in the protective cover, a connecting pipe is arranged in a lantern ring, and the upper end of the connecting pipe is fixedly connected with the draught fan. The air duct is easy to disassemble, assemble and maintain and good in cleanliness.

Description

Technical Field

[0001] The utility model relates to the technical field of metal heat treatment equipment, in particular to an air duct structure of an aging furnace. Background Art

[0002] The combustion source used in the combustion device of the existing aluminum profile aging furnace mainly adopts the method of burning coal. The aging furnace is used to check the hardness of the aluminum profile. In this way, the soot often releases some harmful substances, which pollutes the environment and also affects the air duct. The air duct needs to be regularly disassembled and maintained, and the air duct needs to be maintained and cleaned. Therefore, it is necessary to propose an aging furnace air duct structure to solve this problem. Utility Model Content

[0003] The utility model aims to provide an air duct structure of an aging furnace to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an aging furnace air duct structure, comprising an insulation tube and a furnace body, the insulation tube is arranged on the side of the outer wall of the furnace body, the upper end of the insulation tube is connected with a ring, and the upper and lower ends of the ring are provided with slots, a fixing block is provided on the outer wall of the furnace body corresponding to the ring, and an adjusting bin is provided inside the fixing block, a pull rod is provided inside the adjusting bin, and a handle is fixed to one end of the pull rod, an insert block is fixed to the other end of the pull rod, and the insert block is clamped with the slot, and a spring is connected between one end of the insert block and one end of the inner wall of the adjusting bin.

[0005] Preferably, a protective cover is provided at one end of the top of the furnace body, and a fan is provided inside the protective cover.

[0006] Preferably, a connecting pipe is provided inside the collar, and the upper end of the connecting pipe is fixedly connected to the fan.

[0007] Preferably, a heating chamber is provided on the side of the protective cover, and the side of the heating chamber is fixedly connected to the fan.

[0008] Preferably, an air outlet plate is provided at the upper end of the interior of the furnace body, and the upper end of the air outlet plate is fixedly connected to the lower end of the heating chamber.

[0009] Preferably, a positioning sleeve is connected to the lower end of the thermal insulation pipe, and a sealing strip is provided on the edge of one end of the positioning sleeve.

[0010] Preferably, support blocks are provided at both the upper and lower ends of the positioning sleeve, and a fastening bolt is threadedly engaged in the support block, and one end of the fastening bolt is threadedly engaged with the side of the furnace body.

[0011] Preferably, an air outlet is provided at the lower end of the side portion of the furnace body corresponding to the positioning sleeve, and a filter layer is provided at one end inside the air outlet, and an activated carbon layer is provided on the side portion of the filter layer.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the air duct is easy to disassemble and maintain, and has good cleanliness;

[0013] (1) Pull the handle outward to move the pull rod outward and compress the spring, which drives the plug block to move and make way for the collar. The collar is covered on the outer end of the bottom of the connecting pipe, and the handle is released. Under the push of the spring, the pull rod is used to drive the plug block to reset so that the plug block is inserted into the slot. Thus, the position of the insulation pipe is fixed by the collar. The positioning sleeve can be fitted to the outside of the air outlet, and the fastening bolt is then screwed from the support block so that the fastening bolt is screwed into the corresponding threaded groove on the side of the furnace body. Thus, the lower end of the insulation pipe is fixed to the outside of the air outlet through the positioning sleeve, and the air duct is easy to disassemble and maintain.

[0014] (2) The sealing strip is made of high-temperature resistant silicone rubber, which can improve the sealing performance between the positioning sleeve and the furnace body. In addition, harmful substances produced by poor combustion in the heating chamber can be adsorbed and purified in the activated carbon layer when passing through the air outlet, thereby improving the cleanliness of the insulation pipe and achieving good cleanliness. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the insulation pipe and air outlet structure of the utility model;

[0017] Figure 3 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0018] Figure 4 This is a schematic diagram of the cross-sectional structure of the positioning sleeve and the collar of the utility model;

[0019] Figure 5 This is a schematic diagram of the positioning sleeve and the collar structure of the utility model;

[0020] In the figure: 1. furnace body; 2. air outlet plate; 3. heating chamber; 4. fan; 5. protective cover; 6. connecting pipe; 7. insulation pipe; 8. collar; 9. handle; 10. positioning sleeve; 11. fastening bolt; 12. support block; 13. air outlet; 14. filter layer; 15. pull rod; 16. adjustment chamber; 17. fixing block; 18. spring; 19. plug block; 20. slot; 21. sealing strip; 22. activated carbon layer. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 The utility model provides an embodiment: an aging furnace air duct structure, including an insulation pipe 7 and a furnace body 1, the insulation pipe 7 is arranged on the side of the outer wall of the furnace body 1, the upper end of the insulation pipe 7 is connected with a collar 8, and the upper and lower ends of the collar 8 are both provided with slots 20, a fixing block 17 is provided on the outer wall of the furnace body 1 corresponding to the collar 8, and an adjusting chamber 16 is provided inside the fixing block 17, a pull rod 15 is provided inside the adjusting chamber 16, and a handle 9 is fixed to one end of the pull rod 15, an insert block 19 is fixed to the other end of the pull rod 15, and the insert block 19 is clamped with the slot 20, and a spring 18 is connected between one end of the insert block 19 and one end of the inner wall of the adjusting chamber 16;

[0023] When in use, the handle 9 is pulled outward, the pull rod 15 is moved outward, the spring 18 is compressed, and the plug block 19 is moved, thereby making way for the collar 8, and the collar 8 is covered on the outer end of the bottom of the connecting pipe 6, and the handle 9 is released. Under the push of the spring 18, the plug block 19 is driven to reset through the pull rod 15, so that the plug block 19 is inserted into the slot 20, thereby fixing the position of the insulation pipe 7 through the collar 8;

[0024] A protective cover 5 is provided at one end of the top of the furnace body 1, and a fan 4 is provided inside the protective cover 5. A connecting pipe 6 is provided inside the collar 8, and the upper end of the connecting pipe 6 is fixedly connected to the fan 4.

[0025] When in use, under the action of the fan 4, the connecting pipe 6 guides the wind in the furnace body 1 into the fan 4, and then passes through the air outlet plate 2 again and is discharged into the furnace body 1, thereby reducing heat loss;

[0026] A heating chamber 3 is provided on the side of the protective cover 5, and the side of the heating chamber 3 is fixedly connected to the fan 4. An air outlet plate 2 is provided at the upper end of the furnace body 1, and the upper end of the air outlet plate 2 is fixedly connected to the lower end of the heating chamber 3.

[0027] When in use, the heating chamber 3 burns coal to generate high temperature, so that the wind sprayed out by the air outlet plate 2 is hot wind. A plurality of air outlet holes are evenly distributed at the bottom of the air outlet plate 2, which is conducive to uniform air outlet;

[0028] The lower end of the insulation pipe 7 is connected to a positioning sleeve 10, and a sealing strip 21 is provided on the edge of one end of the positioning sleeve 10;

[0029] When in use, the sealing strip 21 is made of high temperature resistant silicone rubber, which can improve the sealing performance between the positioning sleeve 10 and the furnace body 1;

[0030] The upper and lower ends of the positioning sleeve 10 are both provided with support blocks 12, and the support blocks 12 are threadedly matched with fastening bolts 11, and one end of the fastening bolts 11 is threadedly matched with the side threads of the furnace body 1;

[0031] When in use, the positioning sleeve 10 can be attached to the outside of the air outlet 13, and then the fastening bolt 11 can be screwed from the support block 12 so that the fastening bolt 11 is screwed into the corresponding thread groove on the side of the furnace body 1, thereby fixing the lower end of the insulation pipe 7 to the outside of the air outlet 13 through the positioning sleeve 10;

[0032] An air outlet 13 is provided at the lower end of the side of the furnace body 1 corresponding to the positioning sleeve 10, and a filter layer 14 is provided at one end inside the air outlet 13, and an activated carbon layer 22 is provided on the side of the filter layer 14;

[0033] When in use, harmful substances produced by poor combustion in the heating chamber 3 can be adsorbed and purified in the activated carbon layer 22 when passing through the air outlet 13, thereby improving the cleanliness of the insulation pipe 7;

[0034] When the embodiment of the present application is in use: first, pull the handle 9 outward to drive the pull rod 15 to move outward, compress the spring 18, drive the plug block 19 to move, and then make way for the collar 8, cover the outer end of the bottom of the connecting pipe 6, loosen the handle 9, and under the push of the spring 18, drive the plug block 19 to return to its original position through the pull rod 15, so that the plug block 19 is inserted into the slot 20, thereby fixing the position of the insulation pipe 7 through the collar 8, and then the positioning sleeve 10 can be attached to the outside of the air outlet 13, and then the fastening bolt 11 can be screwed from the support block 12 so that the fastening bolt 11 is screwed into the corresponding threaded groove on the side of the furnace body 1, thereby fixing the lower end of the insulation pipe 7 at the air outlet through the positioning sleeve 10. The outside of the opening 13, and the sealing strip 21 is made of high-temperature resistant silicone rubber, which can improve the sealing performance of the positioning sleeve 10 and the furnace body 1. In addition, the harmful substances produced by the poor combustion in the heating chamber 3 can be adsorbed and purified in the activated carbon layer 22 when passing through the air outlet 13, thereby improving the cleanliness of the insulation tube 7. Thereafter, under the action of the fan 4, the connecting pipe 6 guides the wind in the furnace body 1 into the fan 4, and then passes through the air outlet plate 2 again and is discharged into the furnace body 1, thereby reducing heat loss. At the same time, the coal burning in the heating chamber 3 generates high temperature, so that the wind ejected from the air outlet plate 2 is all hot air. A plurality of air outlet holes are evenly distributed on the lower part of the air outlet plate 2, which is conducive to uniform air outlet. In summary, the air duct of this structure is easy to disassemble and maintain, and has good cleanliness.

[0035] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

Claims

1. An aging furnace air duct structure, characterized in that: The invention comprises a heat preservation tube (7) and a furnace body (1), wherein the heat preservation tube (7) is arranged on the side of the outer wall of the furnace body (1), the upper end of the heat preservation tube (7) is connected with a sleeve (8), and the upper and lower ends of the sleeve (8) are both provided with slots (20), a fixing block (17) is provided on the outer wall of the furnace body (1) corresponding to the sleeve (8), and an adjusting chamber (16) is provided inside the fixing block (17), a pull rod (15) is provided inside the adjusting chamber (16), and a handle (9) is fixed at one end of the pull rod (15), an insert block (19) is fixed at the other end of the pull rod (15), and the insert block (19) is snap-fitted with the slot (20), and a spring (18) is connected between one end of the insert block (19) and one end of the inner wall of the adjusting chamber (16).

2. The aging furnace air duct structure according to claim 1, characterized in that: A protective cover (5) is provided at one end of the top of the furnace body (1), and a fan (4) is provided inside the protective cover (5).

3. The aging furnace air duct structure according to claim 2 is characterized in that: A connecting pipe (6) is arranged inside the collar (8), and the upper end of the connecting pipe (6) is fixedly connected to the fan (4).

4. The aging furnace air duct structure according to claim 2, characterized in that: A heating chamber (3) is provided on the side of the protective cover (5), and the side of the heating chamber (3) is fixedly connected to the fan (4).

5. The aging furnace air duct structure according to claim 2 is characterized in that: An air outlet plate (2) is provided at the upper end of the furnace body (1), and the upper end of the air outlet plate (2) is fixedly connected to the lower end of the heating chamber (3).

6. The aging furnace air duct structure according to claim 1, characterized in that: The lower end of the thermal insulation pipe (7) is connected to a positioning sleeve (10), and a sealing strip (21) is provided on the edge of one end of the positioning sleeve (10).

7. The aging furnace air duct structure according to claim 6, characterized in that: The upper and lower ends of the positioning sleeve (10) are both provided with support blocks (12), and the support blocks (12) are threadedly matched with fastening bolts (11), and one end of the fastening bolts (11) is threadedly matched with the side threads of the furnace body (1).

8. The aging furnace air duct structure according to claim 5, characterized in that: An air outlet (13) is provided at the lower end of the side of the furnace body (1) corresponding to the positioning sleeve (10), and a filter layer (14) is provided at one end inside the air outlet (13), and an activated carbon layer (22) is provided on the side of the filter layer (14).

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