Regenerative combustion device of push plate kiln

By designing a filtering reflux combustion mechanism and a furnace body closure mechanism in the push plate kiln, the problem of failure to fully utilize the waste heat of flue gas in the prior art is solved, efficient combustion and flue gas return are achieved, equipment life is extended and product quality is improved.

CN222865612UActive Publication Date: 2025-05-13LANGFANG FENGTAI ELECTRONIC EQUIP CO LTD
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Patent Information

Application Number
CN202420879483.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-25
Publication Date
2025-05-13
Estimated Expiration
2034-04-25

AI Technical Summary

Technical Problem

The existing thermal combustion technology fails to make full use of the waste heat of flue gas in ceramic kilns, resulting in economic losses, and lacks an effective flue gas return and filtration mechanism, which may lead to burner clogging and temperature fluctuations.

Method used

A thermal combustion device for push-plate kiln is designed, including a filter reflux combustion mechanism and a furnace body closure mechanism. The device uses a combustion assembly and a filtered reflow assembly to return the filtered flue gas to the furnace body for secondary combustion, improving combustion efficiency, and ensuring combustion stability through the furnace body sealing mechanism.

Benefits of technology

Effectively utilizes the waste heat of flue gas, improves combustion efficiency, extends the service life of the burner, reduces temperature difference and pressure fluctuations, and improves the pass rate of the product.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of kilns, and discloses a heat accumulating type combustion device of a push plate kiln, which comprises a base, the top of the base is fixedly connected to a kiln body, a filtering backflow combustion mechanism is arranged in the kiln body, a heat insulation plate is arranged outside the kiln body, a heat preservation plate is fixedly connected to the outside of the heat insulation plate, and the heat preservation plate is fixedly connected to the top of the base. A high-temperature-resistant plate is fixedly connected to the outer portion of the heat preservation plate, a furnace body sealing mechanism is arranged on the front face of the furnace body, and the filtering backflow combustion mechanism comprises a combustion assembly and a filtering backflow assembly. Smoke in a return pipe is filtered through a filter screen, then the filtered smoke is discharged into the furnace body through a fan for continuous use, and therefore secondary combustion of the smoke which is not fully combusted is facilitated, resources are saved, and a sliding connecting plate is matched with a limiting plate, so that a cabinet door is locked and fixed.
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Description

Technical Field

[0001] The utility model relates to the technical field of kilns, in particular to a heat storage combustion device of a push plate kiln. Background Art

[0002] The application of regenerative combustion technology as an energy-saving technology can greatly improve the energy-saving level of the ceramic industry, especially ceramic kilns. Therefore, a regenerative combustion device for a push-plate kiln is needed.

[0003] According to a heat storage burner for ceramic kilns disclosed on the patent website (authorization announcement number: CN108302534A), "the present invention discloses a heat storage burner for ceramic kilns, which includes a burner shell, a heat insulation layer arranged in the burner shell, a heat storage layer installed in the heat insulation layer, a combustion air duct, a gas pipeline, a gas atomization device and a fire mouth brick installed at the open end of the heat insulation layer; a pipeline accommodating cavity is arranged in the heat storage layer; the combustion air duct passes through the closed end of the heat insulation layer from the outside of the burner shell and enters the pipeline accommodating cavity of the heat storage layer; the gas pipeline is introduced into the combustion air duct from the outside of the burner shell; the end of the combustion air duct placed in the pipeline accommodating cavity and the end of the gas pipeline placed in the combustion air duct are both connected to the gas atomization device. The heat storage layer of the present invention only relies on thermal radiation for heating, and does not perform reversing heat conversion. It can keep the pressure in the kiln stable, reduce heat loss, and reduce the temperature difference at the same time, thereby improving the qualified rate of the product and extending the service life of the burner."

[0004] In view of the above description, the applicant believes that the following problems exist: when the device is in use, the multi-channel radiation heating heat storage layer technology is used, and there is no process of extracting the flue gas in the kiln. Therefore, the impurities in the kiln will not flow into the honeycomb ceramic heat storage body with the airflow, so there will be no blockage of the honeycomb ceramic heat storage body and the instantaneous overtemperature. The service life of the burner is effectively guaranteed. The present invention eliminates the link of heat exchange through the reversing valve in the traditional heat storage combustion technology, so that the internal pressure and temperature of the furnace will not fluctuate, and the combustion flame is stable. If the waste heat of the flue gas cannot be fully utilized, serious economic losses will be caused. Utility Model Content

[0005] The utility model aims to provide a heat storage combustion device for a push plate kiln to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a regenerative combustion device for a push plate kiln, comprising a base, the top of the base is fixedly connected to a furnace body, a filtering reflux combustion mechanism is arranged inside the furnace body, a heat insulation board is arranged outside the furnace body, a heat preservation board is fixedly connected to the outside of the heat insulation board, a high temperature resistant board is fixedly connected to the outside of the heat preservation board, and a furnace body closing mechanism is arranged on the front of the furnace body;

[0007] The filtering reflux combustion mechanism comprises a combustion component and a filtering reflux component.

[0008] Preferably, the combustion assembly includes a combustion chamber, which is fixedly connected to the interior of a furnace body, a burner is fixedly connected to the interior of the combustion chamber, a connecting pipe is fixedly connected to the exterior of the combustion chamber, an oxygen pipe and a gas pipe are arranged outside the connecting pipe, a control pump is arranged outside the oxygen pipe and the gas pipe, a placing table is fixedly connected to the interior of the furnace body, a placing box is slidably connected to the top of the placing table, a return pipe is fixedly connected to the end of the exterior of the combustion chamber away from the connecting pipe, and the provision of the combustion chamber is beneficial for providing an installation foundation for other components.

[0009] Preferably, the filtering reflux assembly includes a reflux filter box, which is fixedly connected to the outside of the reflux pipe at one end away from the combustion chamber, the inside of the reflux filter box is fixedly connected to a mounting box, the inside of the mounting box is slidably connected to a sliding block, the inside of the mounting box is rotatably connected to a connecting limit plate, a spring is provided at the bottom of the sliding block and the middle position inside the mounting box, the inside of the sliding block is rotatably connected to an L-shaped limit plate, the inside of the reflux filter box is slidably connected to a filter screen, the inner side of the reflux filter box is fixedly connected to a connecting plate, the top of the connecting plate is fixedly connected to a motor, and the output end of the motor is fixedly connected to a fan. Since the fan is provided, it is beneficial to bring the residual smoke in the reflux pipe into the interior of the furnace body.

[0010] Preferably, a slide groove is provided at the corresponding position of the sliding block and the connection limit plate, and the connection limit plate is movably connected to the inside of the sliding block. Since the connection limit plate is provided, it is beneficial to limit the sliding block.

[0011] Preferably, through holes are provided at corresponding positions of the installation box and the L-shaped limiting plate, and the L-shaped limiting plate is movably connected to the inside of the installation box. The provision of the L-shaped limiting plate is conducive to fixing the filter screen.

[0012] Preferably, the furnace body closing mechanism includes a cabinet door, which is rotatably connected to the front side of the furnace body, the front side of the cabinet door is rotatably connected to a rotatable connecting plate, the outside of the rotatable connecting plate is rotatably connected to a connecting rotating block, the inside of the connecting rotating block is slidably connected to a sliding connecting plate, the outside of the sliding connecting plate is provided with a pushing spring, and the front side of the cabinet door is fixedly connected to a limiting plate. Since a pushing spring is provided, it is beneficial to push the sliding connecting plate to slide inside the connecting rotating block.

[0013] Preferably, through holes are provided at corresponding positions of the sliding connection plate and the limiting plate, and the sliding connection plate is movably connected to the outside of the limiting plate. Since the sliding connection plate is provided, it is convenient to fix the cabinet door in cooperation with the limiting plate.

[0014] Compared with the prior art, the utility model provides a heat storage combustion device for a push plate kiln, which has the following beneficial effects:

[0015] 1. The regenerative combustion device of the push plate kiln is provided with a combustion component and a filtering reflux component in the filtering reflux combustion mechanism. The combustion component is arranged on the top of the filtering reflux component. The smoke inside the reflux pipe is filtered through a filter net, and then the filtered smoke is discharged into the interior of the furnace body through a fan for continued use, which is beneficial to the secondary combustion of the smoke that is not fully burned, thereby saving resources.

[0016] 2. The regenerative combustion device of the push-plate kiln is used by cooperating with the filtering reflux combustion mechanism through the furnace body closing mechanism, and is conducive to locking the cabinet door by cooperating with the limit plate through the sliding connecting plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0018] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the filtering reflux combustion mechanism of the utility model;

[0020] Figure 3 This is a schematic diagram of the combustion assembly structure of the filter reflux combustion mechanism of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the filter reflux component of the filter reflux combustion mechanism of the utility model;

[0022] Figure 5 for Figure 4 A schematic diagram of the enlarged structure at point A;

[0023] Figure 6 for Figure 1 Schematic diagram of the enlarged structure at B.

[0024] In the figure: 1. base; 2. furnace body; 3. filter reflux combustion mechanism; 31. combustion assembly; 311. combustion chamber; 312. burner; 313. connecting pipe; 314. oxygen pipe; 315. gas pipe; 316. control pump; 317. placement box; 318. reflux pipe; 319. placement table; 32. filter reflux assembly; 321. reflux filter box; 322. connecting plate; 323. motor; 324. fan; 325. installation box; 326. sliding block; 327. connection limit plate; 328. spring; 329. L-shaped limit plate; 3210. filter screen; 4. furnace body closing mechanism; 41. cabinet door; 42. rotating connecting plate; 43. connecting rotating block; 44. limit plate; 45. push spring; 46. sliding connecting plate; 5. insulation board; 6. insulation board; 7. high temperature resistant board. DETAILED DESCRIPTION

[0025] 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.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Embodiment 1:

[0028] See also Figure 1-6The utility model provides a technical solution: a heat storage combustion device for a push plate kiln, comprising a base 1, the top of the base 1 is fixedly connected to a furnace body 2, a filtering reflux combustion mechanism 3 is arranged inside the furnace body 2, a heat insulation board 5 is arranged outside the furnace body 2, a heat preservation board 6 is fixedly connected to the outside of the heat insulation board 5, a high temperature resistant board 7 is fixedly connected to the outside of the heat preservation board 6, and a furnace body closing mechanism 4 is arranged on the front of the furnace body 2;

[0029] The filtering reflux combustion mechanism 3 includes a combustion component 31 and a filtering reflux component 32 .

[0030] Furthermore, the combustion assembly 31 includes a combustion chamber 311, which is fixedly connected to the interior of the furnace body 2, to which a burner 312 is fixedly connected, to which a connecting pipe 313 is fixedly connected outside the combustion chamber 311, to which an oxygen pipe 314 and a gas pipe 315 are arranged outside the connecting pipe 313, to which a control pump 316 is arranged outside the oxygen pipe 314 and the gas pipe 315, to which a placement table 319 is fixedly connected inside the furnace body 2, to which a placement box 317 is slidably connected on the top of the placement table 319, to which a return pipe 318 is fixedly connected at one end of the outside of the combustion chamber 311 away from the connecting pipe 313. Since the combustion chamber 311 is provided, it is beneficial to provide an installation foundation for other components.

[0031] Furthermore, the filtering reflux assembly 32 includes a reflux filter box 321, which is fixedly connected to the end of the reflux pipe 318 away from the combustion chamber 311. The interior of the reflux filter box 321 is fixedly connected to a mounting box 325, the interior of the mounting box 325 is slidably connected to a sliding block 326, the interior of the mounting box 325 is rotatably connected to a connecting limit plate 327, a spring 328 is provided at the bottom of the sliding block 326 and the middle position of the interior of the mounting box 325, the interior of the sliding block 326 is rotatably connected to an L-shaped limit plate 329, the interior of the reflux filter box 321 is slidably connected to a filter screen 3210, the inner side of the reflux filter box 321 is fixedly connected to a connecting plate 322, the top of the connecting plate 322 is fixedly connected to a motor 323, and the output end of the motor 323 is fixedly connected to a fan 324. Since the fan 324 is provided, it is beneficial to bring the residual smoke in the reflux pipe 318 into the interior of the furnace body 2.

[0032] Furthermore, sliding grooves are provided at corresponding positions of the sliding block 326 and the connecting limiting plate 327 , and the connecting limiting plate 327 is movably connected to the inside of the sliding block 326 . Since the connecting limiting plate 327 is provided, it is beneficial to limit the sliding block 326 .

[0033] Furthermore, through holes are provided at corresponding positions of the installation box 325 and the L-shaped limiting plate 329 , and the L-shaped limiting plate 329 is movably connected to the inside of the installation box 325 . The provision of the L-shaped limiting plate 329 is conducive to fixing the filter screen 3210 .

[0034] Embodiment two:

[0035] See also Figure 6 In combination with the first embodiment, it is further obtained that the furnace body closing mechanism 4 includes a cabinet door 41, which is rotatably connected to the front of the furnace body 2, and the front of the cabinet door 41 is rotatably connected to a rotatable connecting plate 42, the outside of the rotatable connecting plate 42 is rotatably connected to a connecting rotating block 43, and the inside of the connecting rotating block 43 is slidably connected to a sliding connecting plate 46, and a pushing spring 45 is arranged on the outside of the sliding connecting plate 46, and the front of the cabinet door 41 is fixedly connected to a limiting plate 44. Since the pushing spring 45 is arranged, it is conducive to pushing the sliding connecting plate 46 to slide inside the connecting rotating block 43.

[0036] Furthermore, through holes are provided at corresponding positions of the sliding connection plate 46 and the limiting plate 44 , and the sliding connection plate 46 is movably connected to the outside of the limiting plate 44 . The provision of the sliding connection plate 46 is beneficial for fixing the cabinet door 41 in cooperation with the limiting plate 44 .

[0037] In actual operation, when this device is used, first, the placement box 317 is placed on the top of the combustion chamber 311, and then the cabinet door 41 is closed. By rotating the rotating connecting plate 42, the sliding connecting plate 46 slides inside the connecting rotating block 43, thereby cooperating with the limit plate 44 to fix the cabinet door 41. Subsequently, the oxygen pipe 314 and the gas pipe 315 are discharged into the interior of the combustion chamber 311 through the connecting pipe 313, and burned by the burner 312. The flue gas is discharged into the interior of the reflux filter box 321 through the reflux pipe 318, filtered by the filter net 3210, and the fan 324 is driven by the motor 323 to rotate inside the connecting plate 322, so that the unburned flue gas is discharged into the interior of the furnace body 2 for continued use.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A regenerative combustion device for a push plate kiln, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a furnace body (2); a filtering reflux combustion mechanism (3) is provided inside the furnace body (2); a heat insulation board (5) is provided outside the furnace body (2); a heat preservation board (6) is fixedly connected to the outside of the heat insulation board (5); a high temperature resistant board (7) is fixedly connected to the outside of the heat preservation board (6); and a furnace body sealing mechanism (4) is provided on the front of the furnace body (2); The filtering reflux combustion mechanism (3) comprises a combustion component (31) and a filtering reflux component (32); The combustion assembly (31) comprises a combustion chamber (311), the combustion chamber (311) is fixedly connected to the interior of the furnace body (2), a burner (312) is fixedly connected to the interior of the combustion chamber (311), a connecting pipe (313) is fixedly connected to the exterior of the combustion chamber (311), an oxygen pipe (314) and a gas pipe (315) are arranged on the exterior of the connecting pipe (313), a control pump (316) is arranged on the exterior of the oxygen pipe (314) and the gas pipe (315), a placing table (319) is fixedly connected to the interior of the furnace body (2), a placing box (317) is slidably connected to the top of the placing table (319), and a return pipe (318) is fixedly connected to the end of the exterior of the combustion chamber (311) away from the connecting pipe (313); The filtering reflux assembly (32) comprises a reflux filter box (321), the reflux filter box (321) being fixedly connected to an end of the reflux pipe (318) away from the combustion chamber (311), the interior of the reflux filter box (321) being fixedly connected to a mounting box (325), the interior of the mounting box (325) being slidably connected to a sliding block (326), the interior of the mounting box (325) being rotatably connected to a connection limit plate (327), the bottom of the sliding block (326) being connected to the combustion chamber (311), and the bottom of the sliding block (326) being connected to the combustion chamber (311). A spring (328) is provided at the middle position inside the installation box (325); an L-shaped limit plate (329) is rotatably connected inside the sliding block (326); a filter screen (3210) is slidably connected inside the reflux filter box (321); a connecting plate (322) is fixedly connected to the inner side of the reflux filter box (321); a motor (323) is fixedly connected to the top of the connecting plate (322); and a fan (324) is fixedly connected to the output end of the motor (323).

2. The regenerative combustion device of a push plate kiln according to claim 1, characterized in that: Sliding grooves are provided at corresponding positions of the sliding block (326) and the connecting limiting plate (327), and the connecting limiting plate (327) is movably connected inside the sliding block (326).

3. The regenerative combustion device of a push plate kiln according to claim 1, characterized in that: Through holes are provided at corresponding positions of the installation box (325) and the L-shaped limiting plate (329), and the L-shaped limiting plate (329) is movably connected inside the installation box (325).

4. The regenerative combustion device of a push plate kiln according to claim 1, characterized in that: The furnace body closing mechanism (4) comprises a cabinet door (41), the cabinet door (41) is rotatably connected to the front of the furnace body (2), the front of the cabinet door (41) is rotatably connected to a rotatable connecting plate (42), the outside of the rotatable connecting plate (42) is rotatably connected to a connecting rotating block (43), the inside of the connecting rotating block (43) is slidably connected to a sliding connecting plate (46), the outside of the sliding connecting plate (46) is provided with a pushing spring (45), and the front of the cabinet door (41) is fixedly connected to a limiting plate (44).

5. The regenerative combustion device of a push plate kiln according to claim 4, characterized in that: Through holes are provided at corresponding positions of the sliding connection plate (46) and the limiting plate (44), and the sliding connection plate (46) is movably connected to the outside of the limiting plate (44).

Citation Information

Patent Citations

  • Heat accumulating type burner for ceramic kiln

    CN108302534A