Bulk curing barn biomass particle built-in combustion device

By adopting a "V"-shaped bottom plate and an ash removal and char removal device in the biomass pellet combustion device of the intensive curing barn, the problems of deflagration and inaccurate temperature control have been solved, the stability of combustion and the durability of the ash removal device have been achieved, and the service life and installation convenience of the device have been improved.

CN223470332UActive Publication Date: 2025-10-24GUIZHOU TOBACCO SCI RES INST
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Patent Information

Application Number
CN202422947924.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-10-24
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

Existing biomass combustion devices are prone to deflagration in dense curing barns, have large temperature fluctuations, are difficult to control precisely, and have easily damaged ash removal devices with short service life.

Method used

Design a biomass pellet built-in combustion device that includes a "V"-shaped bottom plate, an ash removal and descaling device, and a removable ash box. The "V"-shaped bottom plate prevents fuel accumulation, the duct guides the ash removal rod, and the combustion fan is positioned using slots and bolts and nuts to achieve stable combustion and precise temperature control, while also facilitating the installation and replacement of the ash removal device.

Benefits of technology

It achieves stable combustion and precise temperature control, extends the service life of the ash removal device, simplifies the installation process of the combustion fan, and improves the reliability and ease of maintenance of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a bulk curing barn biomass particle built-in combustion device which comprises a furnace body, a heat exchanger and a combustion engine, the heat exchanger and the combustion engine are connected with the furnace body, the combustion engine is composed of a feeder, a combustion chamber, an igniter, an ash removal and decoking device, a combustion fan, a fire observation window and a protective cover, and a bottom plate assembly used for bearing fuel is arranged at the bottom of the combustion chamber. The bottom plate assembly is composed of a V-shaped bottom plate with an upward opening and a fireproof plate, an ash falling hole is formed in the bottom plate wall of the V-shaped bottom plate, an ignition hole, an ash removal hole and air inlet holes communicated with the combustion fan are formed in the fireproof plate, the ash removal and decoking device is installed on the ash removal hole, and the ash removal and decoking device is installed on the ignition hole. The ash removal and decoking device is composed of an ash removal rod, a motor push rod connected with the ash removal rod and a driving motor, a guide pipe of the ash removal rod is arranged on the fireproof plate, and strip-shaped air holes are distributed in the guide pipe; the ash removal device is beneficial to stable combustion and accurate temperature control, and the service life of the ash removal device can be prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of biomass particle built-in combustion device of intensive curing barn, belong to biomass particle built-in combustion technical field. BACKGROUND

[0002] The design of built-in biomass combustion furnace considers the structural characteristics of intensive curing barn, and the heat generated by the biomass combustion machine burning biomass particles is used for heat exchange inside the furnace body, which can effectively provide the required heat for the curing barn. Through built-in reconstruction, the original intensive curing barn site and structure can be fully utilized, and only the biomass particle combustion machine needs to be installed in the hearth to be used. This transformation method is simple, and has advantages in reducing labor and cost, improving quality and efficiency, and environmental protection.

[0003] Although the existing combustion furnace can meet the basic heating demand, during use, the applicant found that the combustion chamber of the existing combustion machine is prone to deflagration, causing large temperature fluctuations, which is not easy to control temperature, and is extremely detrimental to industries such as flue-cured tobacco that require precise temperature control. At the same time, the ash removal tool is often burned out and needs to be replaced frequently.

[0004] That is, there is a need for a biomass combustion device that facilitates stable combustion and precise temperature control while extending the service life of the ash removal device. UTILITY MODEL CONTENT

[0005] Therefore, the purpose of the utility model is to provide a biomass particle built-in combustion device for intensive curing barn, which facilitates stable combustion and precise temperature control while extending the service life of the ash removal device, and overcomes the shortcomings of the prior art.

[0006] The purpose of the utility model is achieved by the following technical solutions:

[0007] The utility model discloses a biomass particle built-in combustion device for intensive curing barn, which comprises a furnace body, a heat exchanger connected to the furnace body, and a combustion machine. The combustion machine is composed of a feeder, a combustion chamber, an igniter, an ash removal and decoking device, a combustion air fan, a fire observation window, and a protective cover. A bottom plate assembly for receiving fuel is provided at the bottom of the combustion chamber. The bottom plate assembly is composed of a "V"-shaped bottom plate with an upward opening and a fire baffle. Ash falling holes are provided on the bottom plate wall of the "V"-shaped bottom plate. Ignition holes, ash removal holes, and air inlet holes connected to the combustion air fan are provided on the fire baffle. The ash removal and decoking device is installed on the ash removal hole. The ash removal and decoking device is composed of an ash removal rod, a motor push rod connected to the ash removal rod, and a driving motor. A conduit for the ash removal rod is provided on the fire baffle, and strip-shaped air holes are distributed on the conduit.

[0008] The device further comprises a fan mounting guide rail mounted on the combustion machine, the fan mounting guide rail comprises an air supply channel, a connecting plate is arranged on an outer wall of one end of the air supply channel, and clamping grooves are arranged on the outer side of the connecting plate at the upper end and the lower end, the clamping grooves are clamped with the turning plate arranged at the end of the combustion air fan outlet channel.

[0009] The connecting plate and the turning plate are positioned and mounted through bolts and nuts.

[0010] The heating pipe of the combustion machine is connected with the flange of the furnace body.

[0011] The lower end of the combustion chamber of the combustion machine is provided with a plug-in type ash box.

[0012] Compared with the prior art, the device has the following beneficial effects:

[0013] 1. The "V"-shaped bottom plate is used to support the material, which can prevent the biomass fuel from being excessively accumulated at a certain position and prevent the material from being accumulated to a certain height and causing deflagration. The stable material combustion is beneficial to precise temperature control. Meanwhile, the ash cleaning rod is mounted through the conduit, the ash cleaning rod can be guided and retracted into the conduit after cleaning, which is beneficial to the protection of the ash cleaning rod, and the strip-shaped air holes on the ash cleaning rod are beneficial to the heat dissipation of the conduit.

[0014] 2. The heating pipe of the combustion machine is connected with the flange of the furnace body, so that the combustion machine and the furnace body are connected through the flange.

[0015] 3. The lower end of the combustion chamber of the combustion machine is provided with a plug-in type ash box, so that the plug-in type ash box can be easily loaded and unloaded, and the plug-in type ash box can be easily cleaned after being pulled out.

[0016] 4. The clamping grooves on the connecting plate can be used as guide rails to facilitate the installation and removal of the combustion air fan, and solve the problem of inconvenient installation of the existing combustion air fan.

[0017] 5. The connecting plate and the turning plate are provided with positioning holes corresponding to each other, and the connecting plate and the turning plate are positioned and mounted through bolts and nuts, so that the combustion air fan can be positioned through the bolts and nuts after being installed in place.

[0018] Other advantages, objects and features of the present application will be apparent from the following detailed description of the application and from the appended claims. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model will be described in further detail below in combination with drawings, and wherein,

[0020] Figure 1 It is the schematic diagram of the connecting structure of the utility model.

[0021] Figure 2 It is the schematic diagram of the connecting structure of the utility model bottom plate assembly, igniter and ash removal and decoking device.

[0022] Figure 3 It is the schematic diagram of the connecting structure of the utility model bottom plate assembly.

[0023] Figure 4 It is the schematic diagram of the connecting structure of the utility model conduit.

[0024] Figure 5 It is the schematic diagram of the connecting structure of the utility model fan mounting guide rail.

[0025] Figure 6 It is the schematic diagram of the connecting structure of the utility model combustion-supporting fan.

[0026] Wherein, furnace body 1;Heat exchanger 2;Combustion machine 3;Feeder 4;Igniter 5;Ash removal and decoking device 6;Ash removal rod 6-1;Conduit 6-2;Strip-shaped air hole 6-3;Combustion-supporting fan 7;Bottom plate assembly 8;" V " type bottom plate 8-1;Fire baffle 8-2;Ash falling hole 8-3;Ignition hole 8-4;Ash removal hole 8-5;Air inlet hole 8-6;Fan mounting guide rail 9;Air supply channel 9-1;Connecting plate 9-2;Clamping groove 9-3;Flap 9-4;Positioning hole 9-5;Can be inserted ash box 10. DETAILED DESCRIPTION

[0027] The preferred embodiments of the utility model will be described in detail below with reference to the drawings. It should be understood that the preferred embodiments are only for illustrating the utility model, and are not for limiting the protection scope of the utility model.

[0028] Embodiment 1

[0029] As Figures 1-4As shown, the utility model discloses a built-in combustion device for biomass particles in a dense baking room, which includes a furnace body 1, a heat exchanger 2 and a burner 3 connected to the furnace body 1. The burner 3 is composed of a feeder 4, a combustion chamber, an igniter 5, an ash and coke removal device 6, a combustion-supporting fan 7, a fire viewing window and a protective cover. A bottom plate assembly 8 for receiving fuel is provided at the bottom of the combustion chamber. The bottom plate assembly 8 is composed of a "V"-shaped bottom plate 8-1 with an upward opening and a fire baffle 8-2. 1 is provided with ash drop holes 8-3 on the bottom wall, ignition holes 8-4, ash cleaning holes 8-5, and distributed air inlet holes 8-6 connected to the combustion-supporting fan 7 on the fire baffle 8-2. A ash cleaning and decoking device 6 is mounted on the ash cleaning hole 8-5. The ash cleaning and decoking device 6 consists of a ash cleaning rod 6-1, a motor push rod connected to the ash cleaning rod 6-1, and a drive motor. A conduit 6-2 for the ash cleaning rod 6-1 is provided on the fire baffle 8-2, and strip-shaped air holes 6-3 are distributed in the conduit 6-2. This structure, through the "V"-shaped bottom plate 8-1 to receive materials, can prevent excessive accumulation of biomass fuel in a single location, preventing deflagration when the materials reach a certain height. This structure ensures stable combustion and facilitates precise temperature control. At the same time, the cleaning rod 6-1 is installed through the duct 6-2, which can guide the cleaning rod 6-1. The cleaning rod 6-1 can be retracted into the duct 6-2 after cleaning, which is beneficial to protecting the cleaning rod 6-1. Moreover, the strip air holes 6-3 on the cleaning rod 6-1 are beneficial to the heat dissipation of the duct 6-2.

[0030] Furthermore, the heat supply pipe of the burner 3 is connected to the furnace body 1 via a flange, so that the connection between the burner 3 and the furnace body 1 is facilitated by the flange.

[0031] Furthermore, a removable ash box 10 is provided at the lower end of the combustion chamber of the burner 3, which facilitates the loading and unloading of the removable ash box 10 and facilitates cleaning after the removable ash box 10 is pulled out.

[0032] Example 2

[0033] like Figures 5-6 As shown, this embodiment is improved on the basis of embodiment 1. Specifically, it also includes a fan mounting rail 9 installed on the burner 3. The fan mounting rail 9 includes an air supply channel 9-1. The air supply channel 9-1 is welded and fixed to the burner 3 and is connected to the combustion chamber. A connecting plate 9-2 is provided on the outer wall of one end of the air supply channel 9-1. Slots 9-3 are provided on the upper and lower ends of the outer side of the connecting plate 9-2. The slots 9-3 are engaged with the flap 9-4 provided at the air outlet channel end of the combustion-supporting fan 7. Such a structure, through the slots 9-3 on the connecting plate 9-2, can facilitate the installation and uninstallation of the combustion-supporting fan 7 in a guide rail manner, thereby solving the problem of inconvenient installation of the existing combustion-supporting fan 7.

[0034] Positioning holes 9-5 are arranged on the connecting plate 9-2 and the turning plate 9-4, and the connecting plate 9-2 and the turning plate 9-4 are positioned and installed through bolts and nuts, so that the combustion-supporting fan 7 can be positioned through the bolts and nuts after the combustion-supporting fan 7 is installed in place.

[0035] The above is only a preferred embodiment of the present application, and is not any form of confidential limit to the present application, and any simple modification, equivalent change and modification of the above embodiment without departing from the technical solution content of the present application, according to the technical essence of the present application, still belong to the range of the technical solution of the present application.

Claims

1. A biomass particle built-in combustion device for a bulk curing barn, comprising a furnace body (1), a heat exchanger (2) connected with the furnace body (1), and a combustion machine (3), wherein the combustion machine (3) is composed of a feeder (4), a combustion chamber, an igniter (5), an ash and coke removing device (6), a combustion air fan (7), a fire watching window, and a protective cover, characterized in that, The bottom plate assembly (8) for receiving fuel is arranged at the bottom of the combustion chamber, which is composed of a "V"-shaped bottom plate (8-1) with an upward opening and a fire baffle (8-2). The ash falling holes (8-3) are arranged on the bottom plate wall of the "V"-shaped bottom plate (8-1). The fire baffle (8-2) is provided with ignition holes (8-4), ash removal holes (8-5) and air inlet holes (8-6) which are in communication with the combustion air fan (7). The ash removal and decoking device (6) is installed on the ash removal holes (8-5). The ash removal and decoking device (6) is composed of an ash removal rod (6-1), a motor push rod connected with the ash removal rod (6-1) and a driving motor. The guide pipe (6-2) of the ash removal rod (6-1) is arranged on the fire baffle (8-2). The strip-shaped air holes (6-3) are arranged on the guide pipe (6-2).

2. The biomass pellet inbuilt combustion device for a batch-type biomass furnace according to claim 1, characterized in that: The fan installation guide rail (9) is installed on the combustion machine (3). The fan installation guide rail (9) includes a air supply channel (9-1). The connecting plate (9-2) is arranged on the outer wall of one end of the air supply channel (9-1). The clamping grooves (9-3) are arranged on the outer side of the connecting plate (9-2) at the upper and lower ends. The clamping grooves (9-3) are clamped with the flap (9-4) arranged at the end of the air outlet channel of the combustion air fan (7).

3. The in-dense kiln biomass pellet inbuilt combustion apparatus as claimed in claim 2 wherein: The positioning holes (9-5) are arranged on the connecting plate (9-2) and the flap (9-4) correspondingly. The connecting plate (9-2) and the flap (9-4) are positioned and installed by bolts and nuts.

4. The biomass pellet inbuilt combustion device for a batch-type biomass furnace according to claim 1, characterized in that: The heat supply pipe of the combustion machine (3) is connected with the flange of the furnace body (1).

5. The in-dense kiln biomass pellet inbuilt combustion apparatus as claimed in any one of the claims 1 to 4 wherein: The combustion chamber of the combustion machine (3) is provided with the pull-out type ash box (10).