High-flux tubular furnace device

Abstract

The utility model discloses a high-flux tube furnace device, which comprises a gas circuit box assembly and a tube furnace assembly, a gas mixing container is arranged in the gas circuit box assembly, the input end and the output end of the gas mixing container are respectively communicated with the gas inlets and the gas outlet of the gas circuit box assembly, the gas circuit box assembly is provided with at least two gas inlets, and the tube furnace assembly is provided with at least two gas outlets. A plurality of heating areas are arranged in the tubular furnace assembly, exhaust ports of the gas circuit box assembly are correspondingly communicated with the heating areas respectively, and the heating areas are provided with independent heating devices respectively. According to the utility model, the gas mixing container is arranged in the gas circuit box assembly, and the output end of the gas mixing container is connected with the heating area of the tube furnace assembly, so that the mixed gas can enter the tube furnace to be burnt, the limitation of single atmosphere on material reaction is solved, and the reaction of single gas and materials can be met; and the requirement for reaction of mixed gas of various gases and materials can be met, and the practicability of the equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tube furnace experimental equipment, and more specifically to a high-throughput tube furnace device. Background Art

[0002] Tube furnace experimental equipment is suitable for colleges and universities, scientific research institutes, industrial and mining enterprises, and is widely used in high-temperature sintering, metal annealing, quality inspection and other fields. Tube furnaces are new high-performance and energy-saving electric furnaces developed with international advanced technology. They are safe and reliable, simple to operate, high temperature control accuracy, good insulation effect, large temperature range, high furnace temperature uniformity, and multiple temperature zones.

[0003] However, the existing tubular furnace has a single function and cannot realize the combustion test of mixed gas; at the same time, the existing tubular furnace can only test one gas at one reaction temperature when the material reacts. Utility Model Content

[0004] The technical problem to be solved by the utility model is how to realize the burning test of mixed gas.

[0005] The utility model solves the above technical problems through the following technical means: a high-throughput tubular furnace device, comprising a gas path box assembly and a tubular furnace assembly, wherein a gas mixing container is arranged in the gas path box assembly, and the input end and the output end of the gas mixing container are respectively connected with the air inlet and the exhaust port of the gas path box assembly, the gas path box assembly is provided with at least two air inlets, a plurality of heating zones are arranged in the tubular furnace assembly, the exhaust ports of the gas path box assembly are respectively connected with the corresponding heating zones, and the plurality of heating zones are respectively provided with independent heating devices.

[0006] By arranging a gas mixing container in the gas path box assembly and connecting the output end of the gas mixing container to the heating zone of the tubular furnace assembly, the mixed gas can enter the tubular furnace for mixed gas burning test, thereby solving the limitation of single atmosphere on material reaction, and can meet the needs of single gas and material reaction as well as the needs of mixed gas and material reaction of multiple gases, thereby improving the practicability of the equipment.

[0007] As a preferred technical solution, the gas circuit box assembly includes a gas circuit box, the gas mixing container includes a gas mixing tank, and the gas mixing tank is fixedly arranged in the gas circuit box.

[0008] As a preferred technical solution, the air inlet of the air circuit box assembly includes air inlet one and air inlet two, and the air inlet one and air inlet two are respectively connected to the mixing tank, and the exhaust port of the air circuit box assembly includes a multi-way connector, one of the connectors of the multi-way connector extends into the air circuit box, and the remaining connectors are respectively connected to the heating zone through pipelines.

[0009] As a preferred technical solution, the tubular furnace assembly includes a tubular furnace, which has a closed cavity structure and is provided with a plurality of tubular chambers, wherein the plurality of tubular chambers are respectively fixedly connected with heating furnace chambers to form the heating zone, and the plurality of tubular chambers are also fixedly connected with reaction tubes, wherein the plurality of reaction tubes are provided with materials and are correspondingly connected with the exhaust port of the gas circuit box assembly.

[0010] As a preferred technical solution, the plurality of heating zones are linearly distributed along the length direction or the width direction of the tube furnace assembly.

[0011] As a preferred technical solution, the plurality of heating zones are distributed in a matrix along the tube furnace assembly.

[0012] As a preferred technical solution, the front and rear ends of the tubular furnace are respectively provided with an air inlet flange and an air outlet flange adapted to the tubular chamber, the air inlet flange is connected to the exhaust port of the air circuit box assembly, and the air outlet flange is connected to an external pipeline.

[0013] As a preferred technical solution, the air inlet flange and the air outlet flange are respectively provided with connecting joints.

[0014] As a preferred technical solution, the gas circuit box assembly is arranged outside the tubular furnace assembly.

[0015] As a preferred technical solution, the tubular furnace assembly further includes a supporting box body, and the gas circuit box assembly is integrated in the supporting box body.

[0016] The advantages of the utility model are:

[0017] (1) In the utility model, a gas mixing container is arranged in the gas path box assembly, and the output end of the gas mixing container is connected to the heating zone of the tubular furnace assembly, so that the mixed gas can enter the tubular furnace for mixed gas burning test, thereby solving the limitation of a single atmosphere on the reaction of materials, and can meet the needs of the reaction of a single gas with a material, and can also meet the needs of the reaction of a mixed gas of multiple gases with a material, thereby improving the practicality of the equipment.

[0018] (2) In the present invention, by arranging multiple heating zones in the tubular furnace assembly and arranging independent heating devices in the multiple heating zones, it is possible to satisfy the simultaneous reaction of multiple gases under the same temperature condition, and also to satisfy the simultaneous reaction of one gas under different temperature conditions, thereby reducing the time cost required for the experiment and reducing energy consumption, thereby improving the efficiency of the equipment and improving energy saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of the overall structure of the device provided in the embodiment of the utility model;

[0020] Figure 2A front view structural schematic diagram provided for an embodiment of the utility model;

[0021] Figure 3 A schematic cross-sectional view of an embodiment of the present invention;

[0022] Figure 4 A side view schematic diagram of the structure provided by an embodiment of the utility model;

[0023] Figure numbers: 2, gas circuit box assembly; 201, gas circuit box; 202, air inlet one; 203, air inlet two; 204, float flowmeter one; 205, float flowmeter two; 206, air inlet valve one; 207, air inlet valve two; 208, air outlet valve; 209, multi-way connector; 210, mixing tank pressure gauge; 211, mixing tank; 3, tubular furnace assembly; 301, tubular furnace; 302, electric control box; 303, air inlet flange one; 304, air inlet flange two; 305, air inlet flange three; 306, air inlet flange four; 307, heating furnace one; 308, reaction tube; 309, heating furnace two; 310, heating furnace three; 311, heating furnace four; 312, ceramic ark; 313, vacuum port; 314, air outlet flange. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0025] See also Figure 1 A high-throughput tubular furnace device comprises a gas path box assembly 2 and a tubular furnace assembly 3. A gas mixing container is provided in the gas path box assembly 2. The input end and the output end of the gas mixing container are respectively connected to the air inlet and the exhaust port of the gas path box assembly 2. The gas path box assembly 2 has at least two air inlets. A plurality of heating zones are provided in the tubular furnace assembly 3. The exhaust ports of the gas path box assembly 2 are respectively connected to the corresponding heating zones. Independent heating devices are respectively provided in the plurality of heating zones.

[0026] See also Figure 2 , Figure 3The air circuit box assembly 2 includes an air circuit box 201, an air inlet 1 202, an air inlet 203, a float flowmeter 1 204, a float flowmeter 205, an air inlet valve 1 206, an air inlet valve 207, an air outlet valve 208, a multi-way connector 209, a mixing tank pressure gauge 210, and a mixing tank 211. In this embodiment, the mixing tank includes a mixing tank 211, and the mixing tank 211 is fixedly arranged in the air circuit box 201. Taking two air inlets as an example, three, four or more air inlets can also be set according to the test needs, and are not limited to this; the air inlet of the air circuit box assembly 2 includes an air inlet 1 202 and an air inlet 2 203, and the air inlet 1 202 and the air inlet 2 203 are respectively connected to the air inlet 202 and the air inlet 2 203. It is connected to the input end of the gas mixing tank 211 through a connecting pipe, and a float flowmeter 1 204 and a float flowmeter 2 205 are arranged on the connecting pipe, so as to measure the flow of different gases. It should be noted that the setting of the flowmeter is adjusted accordingly according to the number of connecting pipes; an air inlet valve 1 206 and an air inlet valve 2 207 are also arranged on the two connecting pipes (not shown); the air inlet port 1 202, the air inlet port 203 and the multi-way connector 209 are respectively located at the two ends of the air circuit box 201; the display interfaces of the float flowmeter 1 204 and the float flowmeter 205 and the control ends of the air inlet valve 1 206 and the air inlet valve 2 207 are all located at the front end of the air circuit box 201;

[0027] The mixing tank 211 is provided with two mixing tank air inlet connectors respectively connected to the air inlet 1 202 and the air inlet 2 203. The exhaust port of the air circuit box assembly 2 includes a multi-way connector 209. In this embodiment, taking four heating zones as an example, the multi-way connector 209 is a five-way connector, one of which extends into the air circuit box 201. The connector is connected to the output end of the mixing tank 211 through a connecting pipe (not shown in the figure). The connecting pipe is provided with an air outlet valve 208, and the remaining connectors are respectively connected to the heating zones through pipelines (not shown in the figure); the mixing tank 211 is also provided with a mixing tank pressure gauge 210.

[0028] See also Figure 2 , Figure 3 , Figure 4 The tubular furnace assembly 3 includes a tubular furnace 301 and a supporting box. The tubular furnace 301 is fixedly connected to the top of the supporting box. An electric control box 302 is arranged in the supporting box. In this embodiment, the gas circuit box assembly 2 can be arranged outside the tubular furnace assembly 3 or integrated in the supporting box, thereby saving space. The following description is based on the gas circuit box assembly 2 being arranged outside the tubular furnace assembly 3:

[0029] The tubular furnace 301 is a closed cavity structure, and a plurality of tubular chambers are provided therein. A vacuum port 313 is provided on the side wall of the tubular furnace 301 for vacuuming. A heating furnace is fixedly connected to each of the plurality of tubular chambers to form a heating zone. The heating furnaces include a heating furnace 1 307, a heating furnace 2 309, a heating furnace 3 310, and a heating furnace 4 311. A reaction tube 308 is fixedly connected to each of the tubular chambers. Materials are provided in the plurality of reaction tubes 308 and are connected to the gas circuit. The exhaust port of the box assembly 2 is connected correspondingly, and the front and rear ends of the tubular furnace 301 are respectively provided with an air inlet flange and an air outlet flange 314 adapted to the tubular chamber. The air inlet flange is connected to the exhaust port of the gas circuit box assembly 2, and the air outlet flange 314 is connected to the external pipeline. The air inlet flange includes an air inlet flange 1 303, an air inlet flange 2 304, an air inlet flange 305, and an air inlet flange 4 306. There are also four air outlet flanges 314. The air inlet flange and the air outlet flange 314 are detachably connected to the tubular furnace 301.

[0030] See also Figure 3 The inner diameter of the heating furnace is matched with the outer diameter of the reaction tube 308. However, in the present embodiment, in order to ensure that a single reaction tube 308 or a plurality of reaction tubes 308 of different sizes can be placed in the heating furnace, the inner diameter of the heating furnace is larger than the outer diameter of the reaction tube 308. A ceramic ark 312 is arranged in the reaction tube 308, and materials are placed in the ceramic ark 312. The reaction tube 308 is connected to the four joints of the multi-way joint 209 through the connecting joints on the air inlet flange and the air outlet flange 314, so that the mixed gas can enter the four reaction tubes 308.

[0031] See also Figure 3 In this embodiment, the four heating zones are distributed in a matrix along the tubular furnace assembly 3. Of course, they can also be distributed linearly along the length direction or width direction of the tubular furnace assembly 3, and are not limited to this.

[0032] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A high-throughput tubular furnace device, characterized in that: The invention comprises an air path box assembly (2) and a tubular furnace assembly (3), wherein the air path box assembly (2) is provided with an air mixing container, the input end and the output end of the air mixing container are respectively connected to the air inlet and the air outlet of the air path box assembly (2), the air path box assembly (2) is provided with at least two air inlets, the tubular furnace assembly (3) is provided with a plurality of heating zones, the air outlets of the air path box assembly (2) are respectively connected to the corresponding heating zones, and the plurality of heating zones are respectively provided with independent heating devices.

2. A high flux tube furnace device according to claim 1, characterized in that: The gas circuit box assembly (2) comprises a gas circuit box (201); the gas mixing container comprises a gas mixing tank (211); and the gas mixing tank (211) is fixedly arranged in the gas circuit box (201).

3. A high flux tube furnace device according to claim 2, characterized in that: The air inlet of the air circuit box assembly (2) comprises an air inlet one (202) and an air inlet two (203), wherein the air inlet one (202) and the air inlet two (203) are respectively connected to the mixing tank (211), and the air outlet of the air circuit box assembly (2) comprises a multi-way connector (209), wherein one of the connectors of the multi-way connector (209) extends into the air circuit box (201), and the remaining connectors are respectively connected to the heating zone through pipelines.

4. A high flux tube furnace device according to claim 1, characterized in that: The tubular furnace assembly (3) comprises a tubular furnace (301), wherein the tubular furnace (301) has a sealed cavity structure and is provided with a plurality of tubular chambers, wherein the plurality of tubular chambers are respectively fixedly connected with a heating furnace chamber to form the heating zone, and wherein the plurality of tubular chambers are also fixedly connected with a reaction tube (308), wherein the plurality of reaction tubes (308) are provided with materials and are correspondingly connected with the exhaust port of the gas circuit box assembly (2).

5. The high-throughput tube furnace device according to claim 1, characterized in that: The plurality of heating zones are linearly distributed along the length direction or the width direction of the tubular furnace assembly (3).

6. The high-throughput tube furnace device according to claim 1, characterized in that: The plurality of heating zones are distributed in a matrix along the tube furnace assembly (3).

7. A high flux tube furnace device according to claim 4, characterized in that: The front and rear ends of the tubular furnace (301) are respectively provided with an air inlet flange and an air outlet flange (314) adapted to the tubular chamber, the air inlet flange is connected to the exhaust port of the air circuit box assembly (2), and the air outlet flange (314) is connected to an external pipeline.

8. A high flux tube furnace device according to claim 7, characterized in that: The air inlet flange and the air outlet flange (314) are respectively provided with connecting joints.

9. The high-throughput tube furnace device according to claim 1, characterized in that: The gas path box assembly (2) is arranged outside the tubular furnace assembly (3).

10. The high flux tube furnace device according to claim 4, characterized in that: The tubular furnace assembly (3) further comprises a supporting box body, and the gas path box assembly (2) is integrated in the supporting box body.

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