A small curing furnace with waste gas recovery device

By designing a waste gas recovery device and a waste gas treatment spraying mechanism in a small curing furnace, the problem of waste gas emission during the curing treatment of roasted materials is solved, and the waste gas recycling and treatment is realized, reducing environmental protection risks and avoiding waste of substances.

CN222738869UActive Publication Date: 2025-04-11QUANZHOU XINXING STONE TECH CO LTD
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Patent Information

Application Number
CN202421414472.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-20
Publication Date
2025-04-11
Estimated Expiration
2034-06-20

AI Technical Summary

Technical Problem

Existing small curing furnaces generate a large amount of waste gas during the curing of roasted materials, which directly discharges lead to environmental protection problems and waste of valuable substances.

Method used

A small curing furnace with exhaust gas recovery device was designed, and a combined structure of exhaust pipe, exhaust gas treatment tank and recycling pipe was adopted. An exhaust gas treatment spraying mechanism was set on the exhaust gas treatment tank to catalyze the waste gas reduction treatment through the spray catalyst.

Benefits of technology

Effective recycling and treatment of waste gas reduces environmental risks and avoids the waste of valuable substances. At the same time, the problem of pipeline stress shock damage is avoided through structural design.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of curing furnaces, and specifically relates to a small curing furnace with an exhaust gas recovery device, including a curing furnace body, a support frame fixedly connected to the lower end of the curing furnace body, a controller installed on the left end of the curing furnace body through a support, an exhaust pipe fixedly connected to the middle of the upper end of the curing furnace body, and an exhaust gas treatment tank fixedly connected to the upper end of the curing furnace body. The utility model can perform atomization spray treatment on the catalyst through the arrangement of structures such as a liquid inlet pipe, a delivery pipe, and a non-powered atomizing nozzle, and then spray and reduce the exhaust gas discharged from the exhaust pipe. Under the action of the plug, the impact force generated instantly by the fluid can be offset, and the deformation effect of structures such as a fixed disk and a spring can be used to assist in consuming the impact force generated instantly by the fluid, thereby avoiding the problem of stress impact damage to the pipeline structure caused by the instantaneous circulation of the fluid.
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Description

Technical Field

[0001] The utility model relates to the technical field of curing furnaces, in particular to a small curing furnace with a waste gas recovery device. Background Art

[0002] Small curing furnaces usually refer to equipment used for small-scale curing or baking of materials, and are suitable for laboratories, small production lines or individual workshops. They are usually composed of a furnace body, a combustion chamber, a heating device and other parts, and are used to cure or bake materials. The furnace body is usually made of high-temperature resistant materials to ensure the high-temperature resistance of the equipment.

[0003] A curing oven is disclosed in a utility model patent with patent authorization announcement number CN210552462U, including a oven body, the oven body including an outer shell and an oven cavity fixed in the outer shell, at least one sliding door for partitioning the oven cavity is fixed in the oven cavity, the sliding door includes a fixed frame, a door body assembly and an automatic locking mechanism; the fixed frame includes a left slide, an upper frame and a right slide fixedly connected in sequence; the door body assembly includes a fixed door panel, a sliding door panel, a handle and a sliding mechanism for moving the sliding door panel up and down, the fixed door panel is fixed to the rear side of the upper frame, the handle is fixedly installed on the upper part of the sliding door panel, the sliding mechanism is provided with at least two groups, and are respectively installed on both sides of the sliding door panel; the automatic locking mechanism is fixed on the upper frame, and when the sliding door panel moves to the uppermost end, the automatic locking mechanism hooks the handle to fix the sliding door panel.

[0004] However, the existing small curing furnaces also have certain shortcomings. When curing the roasted materials, the existing small curing furnaces will generate a large amount of waste gas due to the combustion operation. Most of the waste gas is directly discharged, which will not only cause environmental problems, but also cause waste of valuable substances in the waste gas. Utility Model Content

[0005] The purpose of the utility model is to provide a small curing furnace with a waste gas recovery device, which solves the problem that when the existing small curing furnace solidifies the roasting material, a large amount of waste gas will be generated due to the combustion operation. Most of the waste gas is directly discharged and treated, which not only causes environmental problems, but also causes the waste of valuable substances in the waste gas.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a small curing furnace with a waste gas recovery device, comprising a curing furnace body, a support frame is fixedly connected to the lower end of the curing furnace body, a controller is installed on the left end of the curing furnace body through a support, an exhaust pipe is fixedly connected to the middle of the upper end of the curing furnace body, a waste gas treatment tank is fixedly connected to the upper end of the curing furnace body, the waste gas treatment tank is fixedly connected to the exhaust pipe, a recovery pipe is fixedly connected to the inside of the waste gas treatment tank, and a waste gas treatment spray mechanism is arranged on the waste gas treatment tank.

[0007] In addition, a preferred structure is that support plates are fixedly connected to the left and right sides of the exhaust pipe, and a protective cover is fixedly connected to the upper end of the support plate. Through the setting of the protective cover, the exhaust pipe can be shielded and protected to avoid the problem of fluid entering the curing furnace body.

[0008] In addition, a preferred structure is that four supporting legs are fixedly connected to the lower end of the supporting frame, and the four supporting legs are evenly distributed on the supporting frame. Through the arrangement of the supporting legs, the supporting effect of the supporting frame can be guaranteed.

[0009] In addition, a preferred structure is that the exhaust gas treatment spray mechanism includes a liquid inlet pipe, and the upper end of the exhaust gas treatment tank is equipped with a liquid inlet pipe through a support plate, the liquid inlet pipe is fixedly connected to the exhaust gas treatment tank, the surface of the liquid inlet pipe is fixedly connected to a delivery pipe, the lower side of the delivery pipe is fixedly connected to a non-powered atomizing nozzle, the upper side of the liquid inlet pipe is fixedly connected to a buffer tube, the inner wall of the buffer tube is slidably connected to a plug, the upper end of the plug is fixedly connected to a telescopic rod, the outer side of the telescopic rod is fixedly sleeved with a fixed disk, the lower end of the fixed disk is welded with a spring, the other end of the spring is fixedly connected to the buffer tube, and through the arrangement of structures such as the delivery pipe and the non-powered atomizing nozzle, the catalyst can be atomized and sprayed, and then the harmful stains in the exhaust gas can be catalytically reduced, and under the action of the plug, the spring and other structures, the fluid stress impact generated by the instantaneous circulation of the fluid can be released.

[0010] In addition, a preferred structure is that six delivery pipes are provided, and the six delivery pipes are arranged in a circular array on the liquid inlet pipe. Through the provision of the delivery pipes, the catalyst can be transported for use.

[0011] In addition, a preferred structure is that a plurality of the unpowered atomizing nozzles are provided, and the plurality of the unpowered atomizing nozzles are evenly distributed on the delivery pipe. Through the provision of the unpowered atomizing nozzles, the catalyst can be atomized and sprayed.

[0012] In addition, a preferred structure is that two springs are provided, and the two springs are symmetrically distributed on the fixed disk. Through the provision of the springs, the fixed disk can be connected for use.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] The utility model can perform atomization spraying treatment on the catalyst through the arrangement of structures such as the liquid inlet pipe, the delivery pipe, and the unpowered atomizing nozzle, and then spray and reduce the exhaust gas discharged from the exhaust pipe. Under the action of the plug, the impact force generated instantly by the fluid can be offset, and the deformation effect of the fixed plate, spring and other structures can be combined to assist in consuming the impact force generated instantly by the fluid, thereby avoiding the problem of stress impact damage to the pipeline structure caused by the instantaneous circulation of the fluid. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0016] Figure 2 For the utility model Figure 1 A cutaway perspective view of

[0017] Figure 3 For the utility model Figure 2 A three-dimensional diagram of a conveying pipe;

[0018] Figure 4 For the utility model Figure 2 A three-dimensional view of the buffer tube.

[0019] In the figure: 1. curing furnace body; 2. support frame; 3. controller; 4. exhaust pipe; 41. protective cover; 5. exhaust gas treatment tank; 6. recovery pipe; 7. exhaust gas treatment spray mechanism; 71. liquid inlet pipe; 72. delivery pipe; 73. non-powered atomizing nozzle; 74. buffer pipe; 75. plug; 76. telescopic rod; 77. fixed plate; 78. spring. DETAILED DESCRIPTION

[0020] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. 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.

[0021] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 A small curing furnace with a waste gas recovery device includes a curing furnace body 1, a support frame 2 is fixedly connected to the lower end of the curing furnace body 1, a controller 3 is installed on the left end of the curing furnace body 1 through a support, an exhaust pipe 4 is fixedly connected to the middle of the upper end of the curing furnace body 1, a waste gas treatment tank 5 is fixedly connected to the upper end of the curing furnace body 1, the waste gas treatment tank 5 is fixedly connected to the exhaust pipe 4, and a recovery pipe 6 is fixedly connected to the inside of the waste gas treatment tank 5.

[0022] See also Figure 1 , Figure 2The left and right sides of the exhaust pipe 4 are fixedly connected with support sheets, and the upper end of the support sheet is fixedly connected with a protective cover 41. Through the setting of the protective cover 41, the exhaust pipe 4 can be shielded and protected to avoid the problem of fluid entering the curing furnace body 1. The lower end of the support frame 2 is fixedly connected with four support legs, and the four support legs are evenly distributed on the support frame 2. Through the setting of the support legs, the supporting effect of the support frame 2 can be guaranteed.

[0023] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 The waste gas treatment tank 5 is provided with a waste gas treatment spray mechanism 7, which includes a liquid inlet pipe 71. The upper end of the waste gas treatment tank 5 is provided with a liquid inlet pipe 71 through a support plate. The liquid inlet pipe 71 is fixedly connected to the waste gas treatment tank 5. A delivery pipe 72 is fixedly connected to the surface of the liquid inlet pipe 71. A non-powered atomizing nozzle 73 is fixedly connected to the lower side of the delivery pipe 72. A buffer pipe 74 is fixedly connected to the upper side of the liquid inlet pipe 71. A plug 75 is slidably connected to the inner wall of the buffer pipe 74. The upper side of the plug 75 is fixedly connected to the inner wall of the buffer pipe 74. The end is fixedly connected with a telescopic rod 76, the outer side of the telescopic rod 76 is fixedly sleeved with a fixed plate 77, the lower end of the fixed plate 77 is welded with a spring 78, and the other end of the spring 78 is fixedly connected to the buffer tube 74. Through the arrangement of the delivery pipe 72, the unpowered atomizing nozzle 73 and other structures, the catalyst can be atomized and sprayed, and then the harmful stains in the exhaust gas can be catalytically reduced. Under the action of the plug 75, the spring 78 and other structures, the fluid stress impact caused by the instantaneous flow of the fluid can be released.

[0024] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 There are six delivery pipes 72, which are arranged in a circular array on the liquid inlet pipe 71. The catalyst can be transported and used through the arrangement of the delivery pipes 72. There are multiple unpowered atomizing nozzles 73, which are evenly distributed on the delivery pipes 72. The catalyst can be atomized and sprayed through the arrangement of the unpowered atomizing nozzles 73. There are two springs 78, which are symmetrically distributed on the fixed disk 77. The fixed disk 77 can be connected and used through the arrangement of the springs 78.

[0025] The specific implementation process of the utility model is as follows: when it is necessary to use a small curing furnace with an exhaust gas recovery device, a catalyst can be input into the delivery pipe 72 through the setting of the liquid inlet pipe 71, and the catalyst can be sprayed by atomization under the action of the unpowered atomizing nozzle 73, and then the exhaust gas discharged from the exhaust pipe 4 is sprayed and catalytically reduced to reduce harmful substances in the exhaust gas. Under the action of the protective cover 41, the exhaust pipe 4 can be shielded and protected to avoid the problem of fluid entering the curing furnace body 1. Under the action of the recovery pipe 6, the exhaust gas can be recycled;

[0026] During this process, when the catalyst flows instantaneously, it can impact the plug 75, and the plug 75 is made of rubber, which can offset the instantaneous impact force generated by the fluid. When the plug 75 moves, it can push the telescopic rod 76 to move, and then drive the fixed plate 77 to move, and the spring 78 is deformed. Under the deformation effect of the spring 78, the plug 75 can be assisted to release the instantaneous impact force generated by the fluid, thereby avoiding the impact damage of the pipeline structure such as the liquid inlet pipe 71 and the delivery pipe 72.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A small curing furnace with an exhaust gas recovery device, comprising a curing furnace body (1), characterized in that: The lower end of the curing furnace body (1) is fixedly connected to a support frame (2), the left end of the curing furnace body (1) is installed with a controller (3) through a support member, the middle part of the upper end of the curing furnace body (1) is fixedly connected to an exhaust pipe (4), the upper end of the curing furnace body (1) is fixedly connected to a waste gas treatment tank (5), the waste gas treatment tank (5) is fixedly connected to the exhaust pipe (4), the interior of the waste gas treatment tank (5) is fixedly connected to a recovery pipe (6), and the waste gas treatment tank (5) is provided with a waste gas treatment spray mechanism (7).

2. A small curing furnace with an exhaust gas recovery device according to claim 1, characterized in that: Support plates are fixedly connected to both left and right sides of the exhaust pipe (4), and a protective cover (41) is fixedly connected to the upper end of the support plate.

3. The small curing furnace with waste gas recovery device according to claim 1, characterized in that: Four supporting legs are fixedly connected to the lower end of the supporting frame (2), and the four supporting legs are evenly distributed on the supporting frame (2).

4. The small curing furnace with waste gas recovery device according to claim 1, characterized in that: The waste gas treatment spray mechanism (7) comprises a liquid inlet pipe (71), the upper end of the waste gas treatment tank (5) is provided with a liquid inlet pipe (71) through a support plate, the liquid inlet pipe (71) is fixedly connected to the waste gas treatment tank (5), the surface of the liquid inlet pipe (71) is fixedly connected to a delivery pipe (72), the lower side of the delivery pipe (72) is fixedly connected to a non-powered atomizing nozzle (73), the upper side of the liquid inlet pipe (71) is fixedly connected to a buffer pipe (74), the inner wall of the buffer pipe (74) is slidably connected to a plug (75), the upper end of the plug (75) is fixedly connected to a telescopic rod (76), the outer side of the telescopic rod (76) is fixedly sleeved with a fixed disk (77), the lower end of the fixed disk (77) is welded with a spring (78), and the other end of the spring (78) is fixedly connected to the buffer pipe (74).

5. The small curing furnace with waste gas recovery device according to claim 4, characterized in that: Six delivery pipes (72) are provided, and the six delivery pipes (72) are arranged in a circular array on the liquid inlet pipe (71).

6. The small curing furnace with waste gas recovery device according to claim 4, characterized in that: A plurality of the unpowered atomizing nozzles (73) are provided, and the plurality of the unpowered atomizing nozzles (73) are evenly distributed on the delivery pipe (72).

7. The small curing furnace with waste gas recovery device according to claim 4, characterized in that: Two springs (78) are provided, and the two springs (78) are symmetrically distributed on the fixing plate (77).

Citation Information

Patent Citations

  • Curing oven

    CN210552462U