High-temperature calcining furnace

Abstract

The high-temperature calcining furnace comprises a calcining furnace body, four supporting columns are fixedly connected to the bottom of the calcining furnace body, a feeding window is formed in the side wall of the calcining furnace body, a sealing plate is connected into the feeding window in a sliding mode, the sealing plate is matched with the feeding window, and the sealing plate is connected with the calcining furnace body. A calcining plate is fixedly connected to the side wall of the sealing plate, a fixing block is fixedly connected to the side wall of the sealing plate, a sliding plate is fixedly connected to the bottom of the fixing block, a bottom plate is fixedly connected to the side wall of the calcining furnace body, a motor is fixedly connected to the top of the bottom plate, and one end of the threaded rod penetrates through the side wall of the sliding plate and is in threaded connection with the sliding plate. Through mutual cooperation of the sealing plate, the plugging block, the air leakage pipe, the spring and other components, when the pressure release valve is damaged, air can be automatically released through the air leakage pipe, so that the situation that the personal safety of operators is endangered due to the fact that the air pressure in the furnace is too high is prevented, and convenience, rapidness and high safety are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of calcining furnaces, in particular to a high-temperature calcining furnace. Background Art

[0002] Metal processing, also known as metalworking, refers to the production activities of humans processing materials with metallic properties that are composed of metal elements or mainly composed of metal elements. It is a process technology that processes metal materials into objects, parts, and components, including large parts of bridges and ships, and even small components of engines, jewelry, and watches. It is widely used in different fields such as science, industry, art, and handicrafts.

[0003] For example, Chinese patent publication number CN218855528U discloses a high-temperature calcining furnace for metal processing, which includes a device body, a support mechanism, a body mechanism, and a sealing mechanism, wherein the support mechanism is located below the device body, the body mechanism is located at the upper end of the support mechanism, the sealing mechanism is located at the front end of the body mechanism, and the sealing mechanism includes a furnace cover, a handle, a rotating groove, a connecting block, a circular ring rod, a slider, and a clamping block. The high-temperature calcining furnace for metal processing is provided with a clamping block, and the clamping block provided at the inner end of the furnace cover corresponds to the clamping groove and is kept horizontally placed when in use.

[0004] However, in the above scheme, most of the existing calcining furnaces use electromagnetic valves to release pressure during use. When the valve body is damaged, the gas pressure in the furnace is too high, which poses certain safety hazards and endangers the personal safety of operators. The safety is not high. Utility Model Content

[0005] The utility model provides a high-temperature calcining furnace to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A high-temperature calcining furnace comprises a calcining furnace body, four supporting columns are fixedly connected to the bottom of the calcining furnace body, a feeding window is opened on the side wall of the calcining furnace body, a sealing plate is slidably connected in the feeding window, the sealing plate is adapted to the feeding window, a calcining plate is fixedly connected to the side wall of the sealing plate, a fixing block is fixedly connected to the side wall of the sealing plate, a slide plate is fixedly connected to the bottom of the fixing block, a bottom plate is fixedly connected to the side wall of the calcining furnace body, a motor is fixedly connected to the top of the bottom plate, and a threaded rod is fixedly connected to the output shaft of the motor One end of the threaded rod passes through the side wall of the slide and is threadedly connected to the slide, one end of the threaded rod is rotatably connected to the side wall of the calcining furnace body, the side wall of the calcining furnace body is fixedly connected with a sliding rod, one end of the sliding rod passes through the side wall of the slide and is slidably connected to the slide, a pressure relief valve is provided on the top of the calcining furnace body, a control panel is provided on the side wall of the bottom plate, the pressure relief valve is electrically connected to the control panel, a gas release device is provided on the top of the calcining furnace body, and an air intake pipe is fixedly connected to the side wall of the calcining furnace body, and the air intake pipe is communicated with the calcining furnace body.

[0008] As a further improvement of the present technical solution: the air release device includes an air release pipe, which is fixedly connected to the top side wall of the calcining furnace body, and is communicated with the calcining furnace body. A clamping block is fixedly connected to the air release pipe, and a clamping groove is provided on the side wall of the clamping block, and the clamping groove is arranged in a conical shape. A cross-shaped fixing rod is fixedly connected to the air release pipe, and a fixing plate is fixedly connected to the bottom of the cross-shaped fixing rod, and a spring is fixedly connected to the bottom of the fixing plate, and a blocking block is fixedly connected to the bottom of the spring, and the blocking block is adapted to the clamping groove.

[0009] As a further improvement of the technical solution: a sealing gasket is provided on the side wall of the outer ring of the blocking block.

[0010] As a further improvement of the technical solution: a composite magnesium silicate layer is provided on the inner side wall of the calcining furnace body.

[0011] As a further improvement of the technical solution: a pressure sensor is provided on the top of the calcining furnace body, and the pressure sensor is electrically connected to the control panel.

[0012] As a further improvement of the technical solution: the threaded rod is made of stainless steel.

[0013] Compared with the prior art, the beneficial effect of the utility model is that the device, through the cooperation of the sealing plate, the blocking block, the vent pipe, the spring and other components, can automatically vent air through the vent pipe when the pressure relief valve is damaged, thereby preventing the gas pressure in the furnace from being too high and endangering the personal safety of the operator. The device is convenient, fast and safe.

[0014] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0016] Figure 1 This is a front view structural schematic diagram of a high temperature calcining furnace proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of the front cross-sectional structure of a high-temperature calcining furnace proposed by the utility model;

[0018] Figure 3 for Figure 2 A is a schematic diagram of the partially enlarged structure of the middle part;

[0019] Figure 4 The utility model is a schematic diagram of a top view of the structure of a gas release pipe in a high-temperature calcining furnace.

[0020] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0021] 1. Calcination furnace body; 2. Composite magnesium silicate layer; 3. Calcination plate; 4. Support column; 5. Sealing plate; 6. Fixed block; 7. Slide plate; 8. Bottom plate; 9. Threaded rod; 10. Motor; 11. Pressure relief valve; 12. Pressure sensor; 13. Air vent pipe; 14. Spring; 15. Block; 16. Slot; 17. Blocking block; 18. Fixed plate; 19. Cross-shaped fixed rod; 20. Control panel; 21. Slide rod; 22. Air intake pipe. DETAILED DESCRIPTION

[0022] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. It should be noted that the accompanying drawings are all in a very simplified form and are not in precise proportions, and are only used to facilitate and clearly assist in explaining the purpose of the embodiments of the present invention.

[0023] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0025] See also Figure 1-4 In the embodiment of the utility model, a high-temperature calcining furnace comprises a calcining furnace body 1, four supporting columns 4 are fixedly connected to the bottom of the calcining furnace body 1, a feeding window is opened on the side wall of the calcining furnace body 1, a sealing plate 5 is slidably connected in the feeding window, the sealing plate 5 is adapted to the feeding window, a calcining plate 3 is fixedly connected to the side wall of the sealing plate 5, a fixing block 6 is fixedly connected to the side wall of the sealing plate 5, a slide plate 7 is fixedly connected to the bottom of the fixing block 6, a bottom plate 8 is fixedly connected to the side wall of the calcining furnace body 1, a motor 10 is fixedly connected to the top of the bottom plate 8, a threaded rod 9 is fixedly connected to the output shaft of the motor 10, and the threaded rod 9 is It is made of stainless steel, one end of the threaded rod 9 passes through the side wall of the slide plate 7 and is threadedly connected to the slide plate 7, one end of the threaded rod 9 is rotatably connected to the side wall of the calcining furnace body 1, the side wall of the calcining furnace body 1 is fixedly connected with a slide rod 21, one end of the slide rod 21 passes through the side wall of the slide plate 7 and is slidably connected to the slide plate 7, a pressure relief valve 11 is provided on the top of the calcining furnace body 1, a control panel 20 is provided on the side wall of the bottom plate 8, the pressure relief valve 11 is electrically connected to the control panel 20, a gas release device is provided on the top of the calcining furnace body 1, an air intake pipe 22 is fixedly connected to the side wall of the calcining furnace body 1, and the air intake pipe 22 is connected to the inside of the calcining furnace body 1.

[0026] See also Figure 1-4The air release device includes an air release pipe 13, which is fixedly connected to the top side wall of the calcining furnace body 1. The air release pipe 13 is connected to the inside of the calcining furnace body 1. A card block 15 is fixedly connected to the air release pipe 13. A card slot 16 is provided on the side wall of the card block 15. The card slot 16 is arranged in a conical shape. A cross-shaped fixing rod 19 is fixedly connected to the air release pipe 13. A fixing plate 18 is fixedly connected to the bottom of the cross-shaped fixing rod 19. A spring 14 is fixedly connected to the bottom of the fixing plate 18. A sealing member 14 is fixedly connected to the bottom of the spring 14. The blocking block 17 is matched with the slot 16. If the pressure relief valve 11 is damaged, the air pressure in the calcining furnace body 1 will push the blocking block 17 to move, so that the blocking block 17 releases the seal on the slot 16, and the gas will flow out through the gap between the blocking block 17 and the slot 16, and then be discharged through the air relief pipe 13, thereby preventing the air pressure in the furnace from being too high and endangering the personal safety of the operator. Through the provided spring 14, when the air pressure in the furnace becomes low, the blocking block 17 can be automatically driven to reset, thereby sealing the slot 16.

[0027] See also Figure 2-4 A sealing gasket is provided on the outer ring side wall of the sealing block 17 to increase the sealing performance between the sealing block 17 and the card slot 16.

[0028] See also Figure 2 A composite magnesium silicate layer 2 is provided on the inner wall of the calcining furnace body 1. The composite magnesium silicate material has excellent heat insulation, fire resistance and pressure resistance, which is beneficial to maintaining the temperature in the calcining furnace and can reduce the cost of maintaining the temperature of the calcining furnace.

[0029] See also Figure 1-2 A pressure sensor 12 is provided at the top of the calcining furnace body 1. The pressure sensor 12 is electrically connected to the control panel 20. The pressure sensor 12 can be used to detect the pressure inside the calcining furnace body 1. When the pressure is too high, the pressure sensor 12 will send a signal to the control panel 20, and the control panel 20 will start the pressure relief valve 11 to relieve the pressure. There is no need to manually operate the control panel 20 to start the pressure relief valve 11, which is more convenient.

[0030] The working principle of the utility model is: by starting the motor 10, the output shaft of the motor 10 drives the threaded rod 9 to rotate, and the threaded rod 9 can drive the slide plate 7 to move when rotating, and the slide plate 7 moves on the slide rod 21, and the slide plate 7 drives the sealing plate 5 to move through the fixed block 6, and the sealing plate 5 drives the calcining plate 3 to move, so that the sealing plate 5 is opened, and the metal parts are placed on the calcining plate 3, and then the motor 10 is started to move the calcining plate 3 into the calcining furnace body 1, so as to calcine the metal parts, and the inert gas can be added into the calcining furnace body 1 through the set air intake pipe 22. The protective gas of the metal should be an inert gas, which does not react with the metal at high temperature. The protective gas is used because the metal is isolated from the air to prevent the metal from being oxidized. The pressure sensor 12 is set to detect the pressure in the calcining furnace body 1. When the pressure is too high, the pressure sensor 12 will send a signal to the control panel 20, and the control panel 20 starts the pressure relief valve 11 to relieve the pressure;

[0031] If the pressure relief valve 11 is damaged, the air pressure in the calcining furnace body 1 will push the blocking block 17 to move, so that the blocking block 17 releases the seal on the slot 16, and the gas will flow out through the gap between the blocking block 17 and the slot 16, and then be discharged through the air relief pipe 13, thereby preventing the air pressure in the furnace from being too high and endangering the personal safety of the operator. The spring 14 can automatically drive the blocking block 17 to reset when the air pressure in the furnace becomes low, thereby sealing the slot 16.

[0032] The above description is only a preferred embodiment of the utility model and does not impose any form of limitation on the utility model. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. A high temperature calcining furnace, comprising a calcining furnace body (1), characterized in that: The bottom of the calcining furnace body (1) is fixedly connected to four support columns (4), the side wall of the calcining furnace body (1) is provided with a feed window, a sealing plate (5) is slidably connected in the feed window, the sealing plate (5) is adapted to the feed window, the side wall of the sealing plate (5) is fixedly connected to a calcining plate (3), the side wall of the sealing plate (5) is fixedly connected to a fixing block (6), the bottom of the fixing block (6) is fixedly connected to a slide plate (7), the side wall of the calcining furnace body (1) is fixedly connected to a bottom plate (8), the top of the bottom plate (8) is fixedly connected to a motor (10), the output shaft of the motor (10) is fixedly connected to a threaded rod (9), one end of the threaded rod (9) passes through the slide plate (7) ) and is threadedly connected to the slide plate (7); one end of the threaded rod (9) is rotatably connected to the side wall of the calcining furnace body (1); a sliding rod (21) is fixedly connected to the side wall of the calcining furnace body (1); one end of the sliding rod (21) passes through the side wall of the slide plate (7) and is slidably connected to the slide plate (7); a pressure relief valve (11) is provided on the top of the calcining furnace body (1); a control panel (20) is provided on the side wall of the bottom plate (8); the pressure relief valve (11) is electrically connected to the control panel (20); a gas release device is provided on the top of the calcining furnace body (1); an air intake pipe (22) is fixedly connected to the side wall of the calcining furnace body (1); and the air intake pipe (22) is communicated with the inside of the calcining furnace body (1).

2. A high temperature calcining furnace according to claim 1, characterized in that: The air release device comprises an air release pipe (13), wherein the air release pipe (13) is fixedly connected to the top side wall of the calcining furnace body (1), the air release pipe (13) is communicated with the inside of the calcining furnace body (1), a clamping block (15) is fixedly connected to the inside of the air release pipe (13), a clamping groove (16) which is arranged through the side wall of the clamping block (15), the clamping groove (16) is arranged in a conical shape, a cross-shaped fixing rod (19) is fixedly connected to the inside of the air release pipe (13), a fixing plate (18) is fixedly connected to the bottom of the cross-shaped fixing rod (19), a spring (14) is fixedly connected to the bottom of the fixing plate (18), a blocking block (17) is fixedly connected to the bottom of the spring (14), and the blocking block (17) is adapted to the clamping groove (16).

3. A high temperature calcining furnace according to claim 2, characterized in that: A sealing gasket is provided on the outer ring side wall of the blocking block (17).

4. A high temperature calcining furnace according to claim 1, characterized in that: A composite magnesium silicate layer (2) is provided on the inner side wall of the calcining furnace body (1).

5. A high temperature calcining furnace according to claim 1, characterized in that: A pressure sensor (12) is provided at the top of the calcining furnace body (1), and the pressure sensor (12) is electrically connected to a control panel (20).

6. A high temperature calcining furnace according to claim 1, characterized in that: The threaded rod (9) is made of stainless steel.

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