Double-charging split type furnace core

CN224757047UActive Publication Date: 2026-09-15LICHUAN WANGFA COOKING RANGE CO LTD
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Patent Information

Application Number
CN202522248461.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-24
Publication Date
2026-09-15
Estimated Expiration
2035-10-24

AI Technical Summary

Technical Problem

针对传统柴火设计的炉具,其结构难以良好地兼容生物质颗粒的燃烧需求;反之,专为燃烧生物质颗粒而设计的炉具,其结构也通常无法容纳或有效燃烧大块的柴火

Benefits of technology

[0012] This application, through the setting of furnace body one and furnace body two, allows firewood to be put into furnace body one when firewood needs to be burned, and biomass pellets to be introduced into furnace body two when biomass pellets need to be burned. It has a wider range of applications and can be adjusted in real time according to actual needs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to the technical field of fire roasting stoves, in particular to a double-upper-feeding split type stove core, which comprises stove body one and stove body two, the stove body one is installed above the stove body two, a first feeding port is arranged on the stove body one, and a second feeding port is arranged on the stove body two; a stove chamber one is arranged in the stove body one, a stove chamber two is arranged in the stove body two, and the stove chamber one and the stove chamber two are communicated; a stove bridge one is installed in the stove chamber one, and a stove bridge two is installed in the stove chamber two. The biomass particles and the firewood can be burned separately according to the application, the flame burning efficiency is high, the flame is stable, the temperature is high, and the user experience is better.
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Description

Technical Field

[0001] This application relates to the field of furnace technology, and in particular to a dual-feed split furnace core. Background Technology

[0002] Currently, biomass briquettes (such as pellets and briquettes) are widely used in domestic cooking stoves, small heating stoves, and industrial boilers due to their advantages such as renewability, carbon neutrality, and ease of storage and transportation. Most commercially available fireplaces typically consist of a core and an outer shell. The core is installed inside the shell, and burning firewood inside the core heats the air, providing warmth.

[0003] Existing stove designs are typically optimized for a single type of fuel in terms of structure (e.g., furnace shape, grate construction, air intake method). Stove designs for traditional firewood are structurally incompatible with the combustion requirements of biomass pellets; conversely, stoves designed specifically for burning biomass pellets are usually unable to accommodate or effectively burn large pieces of firewood.

[0004] Therefore, existing stoves generally suffer from low fuel applicability in a single furnace chamber. Users often have to choose stoves that burn firewood or biomass pellets, making it difficult to flexibly select different fuels according to actual needs on the same equipment. Utility Model Content

[0005] The purpose of this application is to provide a dual-feed split furnace core, which can burn biomass pellets when needed and firewood when needed, thus having wide applicability.

[0006] The technical solution for a dual-feed split furnace core provided in this application is as follows: A dual-feed split furnace core, comprising: Furnace body one and furnace body two, furnace body one is installed above furnace body two, furnace body one is provided with a first feed inlet, and furnace body two is provided with a second feed inlet; A furnace chamber is provided inside the first furnace body, and a furnace chamber is provided inside the second furnace body; the first furnace chamber and the second furnace chamber are connected. Furnace bridge one and furnace bridge two, wherein furnace bridge one is installed inside furnace chamber one and furnace bridge two is installed inside furnace chamber two.

[0007] Optionally, the furnace body one and the furnace body two are detachably connected.

[0008] Optionally, a step is provided at the top of the second furnace body, the step is arranged around the second furnace body, and the first furnace body overlaps the second furnace body and is located within the step.

[0009] Optionally, the two top ends of the furnace body are flared.

[0010] Optionally, it also includes a gasification cone, which is installed at one top of the furnace body.

[0011] Optionally, the lower end of the gasification cone is provided with an abutment surface, and a protrusion is fixedly connected to the abutment surface. The protrusion is arranged around the abutment surface and is inserted into the furnace body and abuts against the inner wall of the furnace body.

[0012] This application, through the setting of furnace body one and furnace body two, allows firewood to be put into furnace body one when firewood needs to be burned, and biomass pellets to be introduced into furnace body two when biomass pellets need to be burned. It has a wider range of applications and can be adjusted in real time according to actual needs.

[0013] Furthermore, this application also allows for the detachable connection between furnace body one and furnace body two, enabling furnace body one and furnace body two to be replaced separately, reducing the difficulty and cost of replacing furnace body one and furnace body two, and avoiding the need to replace the entire furnace core together.

[0014] Because furnace body one and furnace body two are detachably connected by overlapping, their installation and disassembly are more convenient, and they are easier to replace and maintain. Attached Figure Description

[0015] Figure 1 This is a cross-sectional structural schematic diagram of a dual-feed split furnace core according to an embodiment of this application.

[0016] Figure 2 yes Figure 1 A magnified view of part A in the diagram.

[0017] Figure 3 yes Figure 1 A magnified view of part B in the diagram.

[0018] In the diagram, 1. Furnace body one; 11. First feed inlet; 12. Furnace chamber one; 2. Furnace body two; 21. Second feed inlet; 22. Furnace chamber two; 23. Step; 24. Overlapping surface; 3. Furnace bridge one; 4. Furnace bridge two; 5. Gasification cone; 51. Gas outlet; 52. Abutting surface; 53. Protrusion. Detailed Implementation

[0019] The following is in conjunction with the appendix Figure 1 -Appendix Figure 3 This application will be described in further detail below.

[0020] A dual-feed split furnace core, as shown in the reference Figure 1The furnace includes a first furnace body 1 and a second furnace body 2. The first furnace body 1 is mounted above the second furnace body 2. The first furnace body 1 has a first feed inlet 11, and the second furnace body 2 has a second feed inlet 21. Firewood enters the first furnace body 1 through the first feed inlet 11, while biomass pellets enter the second furnace body 2 through the second feed inlet 21. The biomass pellets burn in the second furnace body 2, while the firewood burns in the first furnace body 1. In this embodiment, a cover plate can be installed at the first feed inlet 11 to control its opening and closing. The cover plate is opened when firewood needs to be added. An auger can be installed at the second feed inlet 21 to feed the biomass pellets without needing to open or close the second feed inlet 21, thus preventing the biomass pellets from flowing out of the second feed inlet 21 due to airflow.

[0021] Specifically, furnace body 1 is equipped with furnace chamber 12, and furnace body 2 is equipped with furnace chamber 22. Furnace chamber 12 and furnace chamber 22 are connected. When firewood needs to be burned, firewood can be put into furnace body 1. When biomass pellets need to be burned, biomass pellets can be introduced into furnace body 2. It has a wider range of applications and can be adjusted in real time according to actual needs.

[0022] A furnace bridge 3 is installed inside furnace chamber 12, and a furnace bridge 4 is installed inside furnace chamber 22. Firewood enters furnace chamber 12 through the first feed inlet 11 and is placed on furnace bridge 3 for combustion. Biomass pellets enter furnace chamber 22 through the second feed inlet 21 and are placed on furnace bridge 4 for combustion. By placing the biomass pellets for combustion in furnace chamber 22 and the firewood for combustion in furnace chamber 12, stratification is achieved. Furthermore, the biomass pellets can be fed through an auger, eliminating the need for opening windows for feeding. When feeding firewood, the biomass pellets are less likely to be blown out of the furnace core by the airflow.

[0023] In some embodiments, the furnace body 2 is provided with an oxygen inlet hole (not shown in the figure). Oxygen is introduced into the furnace body 2 through the oxygen inlet hole to assist the combustion of fuel in the furnace body 2 and prevent the flameout due to insufficient air.

[0024] Furthermore, furnace body 1 and furnace body 2 are detachably connected. During long-term use, furnace body 1 and furnace body 2 are prone to deformation, such as deformation caused by high temperature or deformation caused by impact due to improper use. Since furnace body 1 and furnace body 2 are detachably connected, if furnace body 1 or furnace body 2 is damaged, furnace body 1 or furnace body 2 can be replaced separately, which is cheaper and easier to maintain.

[0025] Reference Figure 1 and Figure 2Specifically, a step 23 is provided at the top of furnace body 2, and the step 23 is arranged around the circumference of furnace body 2. In this embodiment, the top of furnace body 2 is circular, that is, the step 23 forms a ring around it. Furnace body 1 overlaps furnace body 2 and is located within the step 23. The overlapping method realizes the detachable connection between furnace body 2 and furnace body 1, which is more convenient for disassembly and installation and easier to operate. In this embodiment, the lower end of furnace body 1 is circular and abuts against the inner wall of step 23. The step 23 limits the movement of furnace body 1, ensuring the stability of furnace body 1 during combustion and preventing displacement of furnace body 1 during use.

[0026] Furthermore, the top of the second furnace body 2 is flared, that is, the step 23 is fixed to the outermost part of the top of the second furnace body 2, and the top of the second furnace body 2 is provided with an overlapping surface 24. The first furnace body 1 overlaps on the overlapping surface 24 and abuts against the inner wall of the step 23. The ash or charcoal produced by the firewood in the first furnace body 1 during the combustion process will fall from the first furnace bridge 3. Since the top of the second furnace body 2 is flared, the ash and charcoal will slide down under the guidance of the inner wall of the top of the second furnace body 2 and fall into the second furnace chamber 22, which avoids the accumulation of ash and charcoal at the top of the second furnace body 2 and facilitates the ash and charcoal to fall into the second furnace chamber 22.

[0027] Furthermore, it also includes a gasification cone 5, which is installed at the top of the furnace body 1 to concentrate the flame and flue gas, increase the temperature inside the furnace, and enable the flame to perform secondary combustion on the flue gas, thereby reducing the amount of incompletely combusted substances or gases in the flue gas.

[0028] Specifically, the top of the gasification cone 5 is provided with an outlet 51, from which the airflow flows out, causing the airflow in the furnace body 1 and the furnace body 2 to flow from bottom to top, ensuring air circulation, and allowing the flame and flue gas to gather at the outlet 51 of the gasification cone 5 for secondary combustion of the flue gas.

[0029] Reference Figure 1 and Figure 3 The lower end of the gasification cone 5 is provided with an abutment surface 52, on which a protrusion 53 is fixedly connected. The protrusion 53 is arranged around the abutment surface 52 and is inserted into the furnace body 1, abutting against the inner wall of the furnace body 1. When installing the gasification cone 5, the top of the furnace body 1 abuts against the abutment surface 52 of the gasification cone 5, and the protrusion 53 is inserted into the furnace body 1 and abuts against the inner wall of the furnace body 1, thereby sealing the connection between the gasification cone 5 and the furnace body 1, preventing airflow from leaking from the connection between the gasification cone 5 and the furnace body 1, and ensuring that the airflow direction is always towards the outlet 51. Furthermore, the use of the protrusion 53 to cooperate with the furnace body 1 enables a detachable connection between the gasification cone 5 and the furnace body 1, facilitating the installation and removal of the gasification cone 5.

[0030] Specifically, when using it, a baffle can be placed above the air outlet, 2cm to 5cm away from the air outlet, to prevent the flame from shooting upwards, so that the flame can perform secondary combustion on the flue gas, reducing the amount of incompletely burned substances or gases in the flue gas.

[0031] The embodiments described in this specific implementation are preferred embodiments of this application and are not intended to limit the scope of protection of this application. Identical components are represented by the same reference numerals. Therefore, all equivalent changes made to the structure, shape, and principle of this application should be covered within the scope of protection of this application.

Claims

1. A dual-feed split-type furnace core, characterized in that, include: Furnace body one (1) and furnace body two (2), the furnace body one (1) is installed above the furnace body two (2), the furnace body one (1) is provided with a first feed port (11), and the furnace body two (2) is provided with a second feed port (21). The furnace body one (1) is provided with a furnace chamber one (12), and the furnace body two (2) is provided with a furnace chamber two (22). The furnace chamber one (12) and the furnace chamber two (22) are connected. Furnace bridge one (3) and furnace bridge two (4), wherein furnace bridge one (3) is installed in furnace chamber one (12) and furnace bridge two (4) is installed in furnace chamber two (22).

2. The dual-feed split-type furnace core according to claim 1, characterized in that, The furnace body one (1) and the furnace body two (2) are detachably connected.

3. A dual-feed split-type furnace core according to claim 2, characterized in that, A step (23) is provided at the top of the second furnace body (2). The step (23) is arranged around the second furnace body (2). The first furnace body (1) is attached to the second furnace body (2) and located within the step (23).

4. The dual-feed split-type furnace core according to claim 1, characterized in that, The top of the furnace body (2) is flared.

5. A dual-feed split-type furnace core according to claim 1, characterized in that, It also includes a gasification cone (5), which is installed at the top of the furnace body (1).

6. A dual-feed split-type furnace core according to claim 5, characterized in that, The lower end of the gasification cone (5) is provided with an abutment surface (52), and a protrusion (53) is fixedly connected on the abutment surface (52). The protrusion (53) is arranged around the abutment surface (52) and is inserted into the furnace body (1) and abuts against the inner wall of the furnace body (1).