A high-temperature calcination furnace

By designing an insulation layer, sleeve, piston mechanism, and swing mechanism in the high-temperature calcining furnace, full contact between fuel and oxygen is achieved, solving the problem of incomplete combustion when fuel is piled up, improving combustion efficiency, and reducing heat loss.

CN116697379BActive Publication Date: 2025-10-24ZAOZHUANG SHENGSHI MASCH TECH CO LTD
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Patent Information

Application Number
CN202310459210.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-04-26
Publication Date
2025-10-24
Estimated Expiration
2043-04-26

AI Technical Summary

Technical Problem

When a large amount of fuel is accumulated in existing high-temperature calciners, the oxygen contact of the fuel inside is limited, resulting in incomplete combustion.

Method used

A high-temperature calcining furnace was designed, including a calcining chamber and a fuel chamber. By setting up an insulation layer, a sleeve, a rotating shaft, a piston mechanism, a transmission mechanism, and a swing mechanism, the furnace utilizes air circulation and fuel tumbling to achieve full contact between fuel and oxygen, thereby improving combustion efficiency.

Benefits of technology

By circulating air and tumbling fuel, the combustion efficiency of the fuel is improved, heat loss is reduced, and the fuel is burned more completely.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application belongs to the field of calcination furnace and provides a high-temperature calcination furnace, which comprises a calcination chamber and a fuel chamber, and further comprises a heat preservation layer arranged outside the calcination chamber, wherein the fuel chamber is provided with a sleeve which is in sliding connection with the inner wall of the fuel chamber; a rotating shaft is rotatably connected in the sleeve, the rotating shaft is connected with a driving mechanism, the driving mechanism is used for continuously rotating the rotating shaft, an air cylinder is arranged in the fuel chamber, a conduit is in communication between the air cylinder and the heat preservation layer, a one-way air inlet valve is arranged at one end of the air cylinder inside the air cylinder, the air cylinder is connected with a one-way air outlet valve; a piston mechanism is in sliding connection in the air cylinder, a transmission mechanism is arranged between the piston mechanism and the rotating shaft, and the transmission mechanism can push the piston mechanism to move; the sleeve is fixedly connected with a support frame, the support frame is connected with an oscillating mechanism, the oscillating mechanism can reciprocatingly oscillate, and the oscillating mechanism can hold fuel.
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Description

TECHNICAL FIELD

[0001] The present application belongs to the field of calcining furnace, in particular to a high-temperature calcining furnace. BACKGROUND

[0002] The calcining furnace is a kind of thermal equipment for heat treatment of objects at high temperature to improve the performance of the objects.

[0003] During the calcination process, the structure and elemental composition of various carbonaceous raw materials change deeply, thereby improving the physical and chemical properties. The purpose of calcination is to remove volatile components from the raw materials, increase the density and mechanical strength of the carbonaceous raw materials, improve the electrical conductivity of the raw materials, remove moisture from the raw materials, and improve the chemical stability of the raw materials.

[0004] The existing high-temperature calcining furnace increases the contact between fuel and oxygen by setting a fan during the calcination process, thereby increasing the combustion rate and improving fuel utilization. However, when a large amount of fuel accumulates, the internal fuel has limited oxygen contact, resulting in insufficient combustion.

[0005] In order to avoid the above technical problems, it is necessary to provide a high-temperature calcining furnace to overcome the defects in the prior art. SUMMARY

[0006] The purpose of the present application is to provide a high-temperature calcining furnace, which aims to solve the problem that the existing high-temperature calcining furnace has limited oxygen contact for internal fuel when a large amount of fuel accumulates during the calcination process, resulting in insufficient combustion.

[0007] The present application is realized as follows: a high-temperature calcining furnace, comprising a calcination chamber and a fuel chamber, the calcination chamber and the fuel chamber being in communication, further comprising:

[0008] A heat preservation layer is arranged outside the calcination chamber, the fuel chamber is provided with a sleeve, the sleeve is in sliding connection with the inner wall of the fuel chamber, and the heat preservation layer is connected with an air pressure valve;

[0009] A rotating shaft is rotatably connected in the sleeve, the rotating shaft is connected with a driving mechanism, the driving mechanism is used to drive the rotating shaft to rotate continuously, an air cylinder is arranged in the fuel chamber, a conduit is in communication between the air cylinder and the heat preservation layer, a one-way air inlet valve is arranged at one end of the air cylinder inside the air cylinder, and the air cylinder is connected with a one-way air outlet valve;

[0010] A piston mechanism is slidably connected in the air cylinder, the piston mechanism can reciprocate in the air cylinder, a transmission mechanism is arranged between the piston mechanism and the rotating shaft, and the transmission mechanism can drive the piston mechanism to move;

[0011] The sleeve is fixedly connected with a support frame, the support frame is connected with an oscillating mechanism, the oscillating mechanism can reciprocating oscillate, and the oscillating mechanism can hold fuel;

[0012] The air of the heat preservation layer enters the air cylinder through the one-way air inlet valve, and the air in the air cylinder blows towards the fuel through the one-way air outlet valve.

[0013] Further technical solutions, the piston mechanism includes a plug body, a fixed rod and a guide seat;

[0014] The plug body is in sliding connection with the inner wall of the air cylinder, the fixed rod is fixedly connected between the plug body and the guide seat, the inclined surface of the guide seat is in abutment with the transmission mechanism, and a first spring is connected between the plug body and the inner end surface of the air cylinder.

[0015] Further technical solutions, the transmission mechanism includes a push plate, a second spring, a baffle and a cam;

[0016] The push plate is in sliding connection with the inner wall of the fuel chamber, and the push plate is in abutment with the inclined surface of the guide seat, the push plate is fixedly connected with a connecting rod, one end of the connecting rod is fixedly connected with the baffle, the inner end surface of the fuel chamber is fixedly connected with a fixed seat, the connecting rod penetrates through the fixed seat, the second spring is arranged between the push plate and the fixed seat, the baffle is in abutment with the cam, and the cam is fixedly connected with the rotating shaft.

[0017] Further technical solutions, the drive mechanism includes a motor and a belt transmission pair, the motor is fixedly connected with the fuel chamber, and the belt transmission pair is arranged between the motor and the rotating shaft.

[0018] Further technical solutions, the oscillating mechanism includes a cross, a connecting frame and a placing groove;

[0019] Both ends of the cross are in rotary connection with the support frame, the connecting frame is in triangular structure, both ends of the connecting frame are in rotary connection with the other two ends of the cross respectively, and the connecting frame is fixedly connected with the placing groove, the rotating shaft is fixedly connected with a horizontal rod, and one end of the connecting frame is in universal connection with the horizontal rod.

[0020] Further technical solutions, the calcination chamber is provided with a conical heat pipe at a position opposite to the placing groove.

[0021] Further technical solutions, the bottom surface of the placing groove is in mesh structure.

[0022] Compared with the prior art, the beneficial effects of the present application are as follows:

[0023] The high-temperature calcining furnace provided by the present invention, when in use, fuel is placed on a placement slot in a fuel chamber, the driving mechanism is started, the motor drives the rotating shaft to rotate through a belt transmission pair, the rotating shaft drives the cam to rotate the cam to push the baffle, the baffle drives the push plate to slide in the combustion chamber, the push plate pushes the guide seat, and the guide seat drives the plug body to move up in the air cylinder through the fixed rod, at this time the air pressure in the air cylinder increases, the air in the air cylinder is blown to the fuel through the one-way air outlet valve, and then, driven by the No. 1 spring, the plug body moves downward, the air pressure in the air cylinder is reduced, the air in the insulation layer enters the air cylinder through the one-way air inlet valve, the air in the insulation layer circulates, thereby reducing the heat loss in the combustion chamber; at the same time, the air flow blows to the fuel pile, thereby making the fuel burn more fully;

[0024] The present invention provides a high-temperature calcining furnace, wherein the sleeve is fixedly connected to a support frame, the support frame is connected to a swing mechanism, the rotating shaft drives the cross bar to rotate, and the cross bar drives the placement groove to swing in a circle through the connecting frame, thereby rolling the fuel on the placement groove, and then allowing the fuel to fully contact with oxygen, thereby increasing combustion efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of the present invention;

[0026] Figure 2 for Figure 1 sectional view of

[0027] Figure 3 for Figure 1 Schematic diagram of the enlarged structure of area A in the middle;

[0028] Figure 4 for Figure 2 Schematic diagram of the enlarged structure of the middle B area;

[0029] Figure 5 is a cross-sectional view of the gas cylinder;

[0030] Figure 6 It is a structural diagram of the swing mechanism.

[0031] In the accompanying drawings: calcining chamber 1, fuel chamber 2, insulation layer 3, sleeve 4, piston mechanism 5, plug body 51, fixing rod 52, guide seat 53, No. 1 spring, driving mechanism 6, motor 61, belt transmission pair 62, transmission mechanism 7, push plate 71, No. 2 spring 72, baffle 73, cam 74, swing mechanism 8, cross 81, connecting frame 82, placement groove 83, fixing seat 9, rotating shaft 10, air cylinder 11, conduit 12, one-way air inlet valve 13, one-way air outlet valve 14, support frame 15, tapered heat pipe 16, air pressure valve 17. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0033] The specific implementation of the present invention is described in detail below with reference to specific embodiments.

[0034] like Figures 1-5 As shown, a high-temperature calcining furnace provided by the present invention includes a calcining chamber 1 and a fuel chamber 2, wherein the calcining chamber 1 is connected to the fuel chamber 2, and further includes:

[0035] The heat-insulating layer 3 is provided outside the calcining chamber 1. The fuel chamber 2 is provided with a sleeve 4. The sleeve 4 is slidably connected to the inner wall of the fuel chamber 2. The heat-insulating layer 3 is connected to the air pressure valve 17.

[0036] A rotating shaft 10 is rotatably connected in the sleeve 4, and the rotating shaft 10 is connected to a driving mechanism 6. The driving mechanism 6 is used to drive the rotating shaft 10 to rotate continuously. A gas cylinder 11 is provided in the fuel chamber 2. A conduit 12 is connected between the gas cylinder 11 and the insulation layer 3. A one-way air inlet valve 13 is provided at one end of the conduit 12 inside the gas cylinder 11. The gas cylinder 11 is connected to a one-way air outlet valve 14.

[0037] The cylinder 11 is slidably connected to a piston mechanism 5, which can slide back and forth in the cylinder 11. A transmission mechanism 7 is provided between the piston mechanism 5 and the rotating shaft 10, which can push the piston mechanism 5 to move.

[0038] The sleeve 4 is fixedly connected to a support frame 15 , and the support frame 15 is connected to a swing mechanism 8 . The swing mechanism 8 can swing back and forth, and the swing mechanism 8 can hold fuel.

[0039] When in use, fuel is placed on the swing mechanism 8 in the fuel chamber 2, and the driving mechanism 6 is started. The driving mechanism 6 drives the rotating shaft 10 to rotate continuously. A transmission mechanism 7 is provided between the piston mechanism 5 and the rotating shaft 10. The transmission mechanism 7 can push the piston mechanism 5 to move, and the piston mechanism 5 can slide back and forth in the air cylinder 11. A conduit 12 is connected between the air cylinder 11 and the thermal insulation layer 3. The conduit 12 is provided with a one-way air inlet valve 13 at one end inside the air cylinder 11. The air cylinder 11 is connected to a one-way air outlet valve 14. Therefore, under the action of air pressure, the air in the thermal insulation layer 3 circulates, thereby reducing the heat loss in the combustion chamber 2; at the same time, the air flow blows towards the fuel pile, so that the fuel burns more fully;

[0040] The sleeve 4 is fixedly connected with a support frame 15, the support frame 15 is connected with an oscillating mechanism 8, the oscillating mechanism 8 can reciprocating oscillate, so that the fuel rolls in the oscillating mechanism 8, and then the fuel is fully contacted with oxygen, and the combustion efficiency is increased.

[0041] In the embodiment of the present application, as a preferred embodiment of the present application, the piston mechanism 5 comprises a plug body 51, a fixed rod 52 and a guide seat 53.

[0042] The plug body 51 is in sliding connection with the inner wall of the air cylinder 11, the fixed rod 52 is fixedly connected between the plug body 51 and the guide seat 53, the inclined surface of the guide seat 53 is in abutment with the transmission mechanism 7, and a first spring 54 is connected between the plug body 51 and the inner end surface of the air cylinder 11.

[0043] The inclined surface of the guide seat 53 is in abutment with the transmission mechanism 7, a first spring 54 is connected between the plug body 51 and the inner end surface of the air cylinder 11, the transmission mechanism 7 pushes the guide seat 53, the guide seat 53 drives the plug body 51 to move upwards in the air cylinder 11, at this time, the air pressure in the air cylinder 11 is increased, the air in the air cylinder 11 is blown to the fuel through the one-way air outlet valve 14, then the plug body 51 is driven to move downwards by the first spring 54, the air pressure in the air cylinder 11 is reduced, the air in the heat preservation layer 3 enters the air cylinder 11 through the one-way air inlet valve 13, a pipeline 12 is communicated between the air cylinder 11 and the heat preservation layer 3, the one-way air inlet valve 13 is arranged at one end of the pipeline 12 in the air cylinder 11, and the air cylinder 11 is connected with the one-way air outlet valve 14, so that the air in the heat preservation layer 3 circulates under the action of the air pressure, thereby reducing the heat loss in the combustion chamber 2; meanwhile, the airflow is blown to the fuel stack, so that the fuel combustion is more sufficient.

[0044] In the embodiment of the present application, as a preferred embodiment of the present application, the transmission mechanism 7 comprises a push plate 71, a second spring 72, a baffle 73 and a cam 74.

[0045] The push plate 71 is in sliding connection with the inner wall of the fuel chamber 2, and the push plate 71 is in abutment with the inclined surface of the guide seat 53, the push plate 71 is fixedly connected with a connecting rod 75, one end of the connecting rod 75 is fixedly connected with the baffle 73, the inner end surface of the fuel chamber 2 is fixedly connected with a fixed seat 9, the connecting rod 75 penetrates through the fixed seat 9, the second spring 72 is arranged between the push plate 71 and the fixed seat 9, the baffle 73 is in abutment with the cam 74, and the cam 74 is fixedly connected with the rotating shaft 10.

[0046] The rotating shaft 10 drives the cam 74 to rotate, the cam 74 drives the baffle 73, the baffle 73 drives the push plate 71 to slide in the combustion chamber 2, the push plate 71 drives the guide seat 53, the guide seat 53 drives the plug 51 to move upwards in the air cylinder 11 through the fixed rod 52, at this time, the air pressure in the air cylinder 11 increases, the air in the air cylinder 11 is blown to the fuel through the one-way air outlet valve 14, then the plug 51 moves downwards under the drive of the first spring 54, the air pressure in the air cylinder 11 decreases, and the air in the heat preservation layer 3 enters the air cylinder 11 through the one-way air inlet valve 13.

[0047] In the embodiment of the present application, as a preferred embodiment of the present application, the driving mechanism 6 comprises a motor 61 and a belt transmission pair 62, the motor 61 is fixedly connected with the fuel chamber 2, and the belt transmission pair 62 is arranged between the motor 61 and the rotating shaft 10.

[0048] The motor 61 drives the rotating shaft 10 to rotate through the belt transmission pair 62.

[0049] In the embodiment of the present application, as a preferred embodiment of the present application, the swinging mechanism 8 comprises a cross 81, a connecting frame 82 and a placing groove 83.

[0050] The two ends of the cross 81 are rotationally connected with the support frame 15, the connecting frame 82 is in a triangular structure, the two ends of the connecting frame 82 are rotationally connected with the other two ends of the cross 81 respectively, and the connecting frame 82 is fixedly connected with the placing groove 83, the rotating shaft 10 is fixedly connected with a crossbar 84, and one end of the connecting frame 82 is universally connected with the crossbar 84.

[0051] The rotating shaft 10 is fixedly connected with the crossbar 84, one end of the connecting frame 82 is universally connected with the crossbar 84, the rotating shaft 10 drives the crossbar 84 to rotate, the crossbar 84 drives the placing groove 83 to swing in a circle through the connecting frame 82, so that the fuel on the placing groove 83 is rolled, and the combustion efficiency is improved.

[0052] In the embodiment of the present application, as a preferred embodiment of the present application, the calcining chamber 1 is provided with a conical heat conduction pipe 16 opposite to the position of the placing groove 83.

[0053] In the embodiment of the present application, as a preferred embodiment of the present application, the bottom surface of the placing groove 83 is in a mesh structure.

[0054] In use, the fuel is placed on the placing groove 83 in the fuel chamber 2, the driving mechanism 6 is started, the motor 61 drives the rotating shaft 10 to rotate through the belt transmission pair 62, the rotating shaft 10 drives the cam 74 to rotate, the cam 74 pushes the baffle 73, the baffle 73 drives the push plate 71 to slide in the combustion chamber 2, the push plate 71 pushes the guide seat 53, the guide seat 53 drives the plug 51 to move upwards in the air cylinder 11 through the fixed rod 52, at this time, the air pressure in the air cylinder 11 increases, the air in the air cylinder 11 is blown to the fuel through the one-way air outlet valve 14, then the plug 51 moves downwards under the drive of the first spring 54, the air pressure in the air cylinder 11 decreases, the air in the heat preservation layer 3 enters into the air cylinder 11 through the one-way air inlet valve 13, the air in the heat preservation layer 3 circulates, thereby reducing the heat loss in the combustion chamber 2; at the same time, the airflow is blown to the fuel stack, thereby making the fuel burn more fully.

[0055] The sleeve 4 is fixedly connected with the support frame 15, the support frame 15 is connected with the swinging mechanism 8, the rotating shaft 10 drives the cross rod 84 to rotate, the cross rod 84 drives the placing groove 83 to swing in a circle through the connecting frame 82, thereby rolling the fuel on the placing groove 83, and further making the fuel fully contact with oxygen, and increasing the combustion efficiency.

[0056] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0057] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, or detachable connection, or integrated; can be mechanical connection, or electrical connection or communication with each other; can be directly connected, or indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0058] In this disclosure, the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" mean that a particular feature, structure, material, or characteristic is included in at least one embodiment or example of the present disclosure. The illustrative appearances of the above-mentioned terms in various places in the specification are not necessarily referred to the same embodiment or example. Also, the particular features, structures, materials, or characteristics can be combined in any suitable manner in one or more embodiments or examples. Furthermore, the terminology "comprising" is used in the disclosure as comprising, containing, comprising, having, including, holding, characteπzed by, having at least, including at least, or the like, and is not meant to be the exclusive "consisting only of.

Claims

1. A high temperature calcining furnace comprising a calcining chamber and a fuel chamber, said calcining chamber being in communication with the fuel chamber, characterised in that, Also include: The heat preservation layer is arranged outside the calcination chamber, the fuel chamber is provided with a sleeve, and the sleeve is in sliding connection with the inner wall of the fuel chamber; A rotating shaft is rotatably connected in the sleeve, a driving mechanism is connected to the rotating shaft, the driving mechanism is used for driving the rotating shaft to rotate continuously, a gas cylinder is arranged in the fuel chamber, a conduit is in communication between the gas cylinder and the heat preservation layer, a one-way air inlet valve is arranged at one end of the gas cylinder inside the gas cylinder, and the gas cylinder is connected with a one-way air outlet valve; A piston mechanism is slidably connected in the gas cylinder, the piston mechanism can reciprocate in the gas cylinder, a transmission mechanism is arranged between the piston mechanism and the rotating shaft, and the transmission mechanism can drive the piston mechanism to move; The sleeve is fixedly connected with a support frame, the support frame is connected with an oscillating mechanism, the oscillating mechanism can oscillate reciprocally, and the oscillating mechanism can hold fuel; Air in the heat preservation layer enters the gas cylinder through the one-way air inlet valve, and air in the gas cylinder is blown to the fuel through the one-way air outlet valve.

2. The high temperature calciner of claim 1, wherein, The piston mechanism comprises a plug body, a fixed rod and a guide seat; The plug body is in sliding connection with the inner wall of the gas cylinder, the fixed rod is fixedly connected between the plug body and the guide seat, the inclined surface of the guide seat is in abutment with the transmission mechanism, and a first spring is connected between the plug body and the inner end surface of the gas cylinder.

3. The high temperature calciner of claim 2, wherein, The transmission mechanism comprises a push plate, a second spring, a baffle and a cam; The push plate is in sliding connection with the inner wall of the fuel chamber, and the push plate is in abutment with the inclined surface of the guide seat, the push plate is fixedly connected with a connecting rod, one end of the connecting rod is fixedly connected with the baffle, the inner end surface of the fuel chamber is fixedly connected with a fixed seat, the connecting rod penetrates through the fixed seat, the second spring is arranged between the push plate and the fixed seat, the baffle is in abutment with the cam, and the cam is fixedly connected with the rotating shaft.

4. The high temperature calciner of claim 1, wherein, The driving mechanism comprises a motor and a belt transmission pair, the motor is fixedly connected with the fuel chamber, and the belt transmission pair is arranged between the motor and the rotating shaft.

5. The high temperature calciner of claim 4, wherein, The oscillating mechanism comprises a cross, a connecting frame and a placing groove; Both ends of the cross are rotatably connected with the support frame, the connecting frame is triangular in structure, both ends of the connecting frame are rotatably connected with the other two ends of the cross respectively, and the connecting frame is fixedly connected with the placing groove, the rotating shaft is fixedly connected with a horizontal rod, and one end of the connecting frame is connected with the horizontal rod in a universal manner.

6. The high temperature calciner of claim 5, wherein, The calcination chamber is provided with a conical heat pipe opposite the position of the placing groove.

7. The high temperature calciner of claim 5, wherein, The bottom surface of the placing groove is in a mesh structure.

Citation Information

Patent Citations

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