A new natural gas melting furnace
By installing irregularly arranged grate tubes inside the natural gas melting furnace, the problem of reduced ore heating area caused by grate structure was solved, thus improving ore smelting efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 廊坊宝伟钢铝制品有限公司
- Filing Date
- 2025-07-01
- Publication Date
- 2026-06-23
AI Technical Summary
Existing natural gas melting furnaces have reduced ore heating area due to the grate structure, leading to increased smelting costs.
Multiple independent grate tubes are installed inside the furnace body to form an irregular arrangement to increase the contact area between the support surface and the fire source, including periodic arrangements of various shapes such as triangles, waves, trapezoids and zigzags.
The irregularly arranged grate tubes increase the heating area of the ore, thereby improving smelting efficiency.
Smart Images
Figure CN224398294U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of ore and metal smelting equipment technology, specifically to a new type of natural gas melting furnace. Background Technology
[0002] Natural gas melting furnaces employ an all-oxygen combustion method, maintaining high levels of heat utilization and combustion temperature. Natural gas melting furnaces typically require a grate arrangement above the burner to separate the burner from the ore. However, this grate structure inevitably reduces the ore's heat-receiving area, indirectly increasing ore smelting costs. Therefore, these issues urgently need to be addressed. Summary of the Invention
[0003] In view of the above-mentioned defects or deficiencies in the prior art, it is desirable to provide a new type of natural gas melting furnace.
[0004] This application provides a novel natural gas melting furnace, including...
[0005] The furnace body has a top connection to an environmental protection pipeline and a discharge port at the bottom.
[0006] A heating mechanism, the heating mechanism including burners installed on the inner wall of the furnace body and arranged circumferentially;
[0007] The input end of the burner passes through the furnace body and is connected to the external natural gas and combustion-supporting gas respectively;
[0008] A grate mechanism, located above the heating mechanism, includes multiple parallel grate tubes.
[0009] The grate tube has two ends that penetrate the side wall of the furnace body, and has hollow water channels inside.
[0010] The multiple grate tubes are arranged in an irregular shape to increase the contact area between the support surface and the fire source.
[0011] Furthermore,
[0012] The multiple grate tubes form a cycle and are arranged in an isosceles triangle.
[0013] The distance between two adjacent grate tubes is less than the diameter of the ore to be processed;
[0014] The multiple cycles are arranged sequentially and continuously.
[0015] Furthermore,
[0016] The multiple grate tubes form a cycle and are arranged in a transverse S-shape;
[0017] The distance between two adjacent grate tubes is less than the diameter of the ore to be processed;
[0018] The multiple cycles are arranged sequentially and continuously.
[0019] Furthermore,
[0020] The multiple grate tubes form a cycle and are arranged in a trapezoidal shape;
[0021] The distance between two adjacent grate tubes is less than the diameter of the ore to be processed;
[0022] The multiple cycles are arranged sequentially and continuously.
[0023] Furthermore,
[0024] The multiple grate tubes form a cycle and are arranged in a zigzag pattern;
[0025] The distance between two adjacent grate tubes is less than the diameter of the ore to be processed;
[0026] The multiple cycles are arranged sequentially and continuously.
[0027] Furthermore,
[0028] A cycle is formed between all the aforementioned grate tubes.
[0029] Furthermore,
[0030] The grate tubes are arranged in an irregular shape;
[0031] The distance between two adjacent grate tubes is less than the diameter of the ore to be processed.
[0032] The advantages and positive effects of this application are:
[0033] This technical solution involves installing independent grate tubes inside the furnace body, allowing the grate tubes to form various supporting planes such as triangles, waves, Z-shapes, and trapezoids. This effectively increases the heating area and thus improves the smelting efficiency of the ore. Attached Figure Description
[0034] Figure 1 This is a schematic diagram of the structure of the novel natural gas melting furnace provided in the embodiments of this application;
[0035] Figure 2 A schematic diagram of the triangular grate mechanism of the novel natural gas melting furnace provided in this application embodiment;
[0036] Figure 3 A schematic diagram of the trapezoidal grate mechanism of the novel natural gas melting furnace provided in this application embodiment;
[0037] Figure 4A schematic diagram of the corrugated grate mechanism of the novel natural gas melting furnace provided in this application embodiment;
[0038] Figure 5 This is a schematic diagram of the structure of the zigzag grate mechanism of the novel natural gas melting furnace provided in the embodiments of this application.
[0039] The text labels in the diagram are as follows: 100-furnace body; 101-discharge port; 200-burner; 300-grate tube. Detailed Implementation
[0040] To enable those skilled in the art to better understand the technical solution of this application, the application will be described in detail below with reference to the accompanying drawings. The description in this section is only exemplary and explanatory, and should not be used to limit the scope of protection of this application.
[0041] Please refer to Figure 1-5 This embodiment provides a novel natural gas melting furnace, including a furnace body 100, the top of which is connected to an environmental protection pipeline, and a discharge port 101 at the bottom; a heating mechanism, which includes burners 200 installed on the inner wall of the furnace body 100 and arranged circumferentially; the input end of the burners 200 penetrates the furnace body 100 and is connected to external natural gas and combustion-supporting gas respectively; a grate mechanism, which is located above the heating mechanism and includes multiple parallel grate tubes 300; both ends of the grate tubes 300 penetrate the side wall of the furnace body 100 respectively, and hollow water channels are provided inside; the multiple grate tubes 300 are arranged in an irregular shape to increase the contact area between the support surface and the fire source.
[0042] In this embodiment, the furnace body 100 has a cylindrical cross-section with an open top for ore input and a discharge port 101 at the bottom for discharging the molten material. The heating mechanism includes burners 200 installed on the inner wall of the furnace body 100 and arranged circumferentially. The input end of the burner 200 penetrates the furnace body and is connected to an external natural gas pipe and a combustion-supporting gas pipe, respectively, to provide a high-temperature heat source through oxygen combustion.
[0043] In a preferred embodiment, the plurality of grate tubes 300 form a cycle and are arranged in a triangular pattern; the distance between two adjacent grate tubes 300 is less than the diameter of the ore to be processed; the plurality of cycles are arranged sequentially and continuously.
[0044] In this embodiment, in a single cycle, the grate tube 300 in the middle can be relatively high or relatively low; when multiple cycles are arranged sequentially, a W-shaped support plane or an M-shaped support plane is formed accordingly.
[0045] In a preferred embodiment, the plurality of grate tubes 300 form a cycle and are arranged in a transverse S-shape; the distance between two adjacent grate tubes 300 is less than the diameter of the ore to be processed; the plurality of cycles are arranged sequentially and continuously.
[0046] In this embodiment, multiple cycles are arranged sequentially to form a wave-shaped support plane.
[0047] In a preferred embodiment, the plurality of grate tubes 300 form a cycle and are arranged in a trapezoidal shape; the distance between two adjacent grate tubes 300 is less than the diameter of the ore to be processed; the plurality of cycles are arranged sequentially and continuously.
[0048] In a preferred embodiment, the plurality of grate tubes 300 form a cycle and are arranged in a zigzag pattern; the distance between two adjacent grate tubes 300 is less than the diameter of the ore to be processed; the plurality of cycles are arranged sequentially and continuously.
[0049] In a preferred embodiment, one cycle is formed between all the grate tubes 300.
[0050] In this embodiment, all grate tubes 300 form only one relatively large cycle; their arrangement structure can be the shape corresponding to any of the above cycles.
[0051] In a preferred embodiment, the grate tubes 300 are arranged in an irregular shape; the distance between two adjacent grate tubes 300 is less than the diameter of the ore to be processed.
[0052] In this embodiment, the grate tubes 300 can be arranged arbitrarily within a limited height range to form irregular shapes, which can also increase the heat-receiving area of the support surface.
[0053] This document uses specific examples to illustrate the principles and implementation methods of this application. The descriptions of the above embodiments are only for the purpose of helping to understand the methods and core ideas of this application. The above descriptions are only preferred embodiments of this application. It should be noted that due to the limitations of textual expression, while there are objectively infinite specific structures, those skilled in the art can make several improvements, modifications, or changes without departing from the principles of this invention, and can also combine the above technical features in an appropriate manner. These improvements, modifications, changes, or combinations, or the direct application of the inventive concept and technical solution to other situations without modification, should all be considered within the scope of protection of this application.
Claims
1. A novel natural gas melting furnace characterized by, include The furnace body (100) is connected to an environmental protection pipeline at the top and has a discharge port (101) at the bottom. The heating mechanism includes burners (200) installed on the inner wall of the furnace body (100) and arranged circumferentially. The input end of the burner (200) passes through the furnace body (100) and is connected to the external natural gas and combustion-supporting gas respectively; A grate mechanism, located above the heating mechanism, includes multiple parallel grate tubes (300). The grate tube (300) has two ends that pass through the side wall of the furnace body (100) respectively, and has a hollow water channel inside; The multiple grate tubes (300) are arranged in an irregular shape to increase the contact area between the support surface and the fire source.
2. The novel natural gas melting furnace according to claim 1, characterized in that, The multiple grate tubes (300) form a cycle and are arranged in a triangular pattern; The distance between two adjacent grate tubes (300) is less than the diameter of the ore to be processed; The multiple cycles are arranged sequentially and continuously.
3. The novel natural gas melting furnace according to claim 1, characterized in that, The multiple grate tubes (300) form a cycle and are arranged in a transverse S-shape; The distance between two adjacent grate tubes (300) is less than the diameter of the ore to be processed; The multiple cycles are arranged sequentially and continuously.
4. The novel natural gas melting furnace according to claim 1, characterized in that, The multiple grate tubes (300) form a cycle and are arranged in a trapezoidal shape; The distance between two adjacent grate tubes (300) is less than the diameter of the ore to be processed; The multiple cycles are arranged sequentially and continuously.
5. The novel natural gas melting furnace according to claim 1, characterized in that, The multiple grate tubes (300) form a cycle and are arranged in a zigzag pattern; The distance between two adjacent grate tubes (300) is less than the diameter of the ore to be processed; The multiple cycles are arranged sequentially and continuously.
6. The novel natural gas melting furnace according to any one of claims 2-5, characterized in that, One cycle is formed between all the grate tubes (300).
7. The novel natural gas melting furnace according to claim 1, characterized in that, The grate tubes (300) are arranged in an irregular shape; The distance between two adjacent grate tubes (300) is less than the diameter of the ore to be processed.