Improved reduction furnace

By installing protective and cleaning devices on the reduction furnace, the problem of gas inlet pipe blockage was solved, ensuring normal gas delivery, good ventilation of heat dissipation holes, protection of electronic components, and stable operation of the reduction furnace was achieved.

CN223856131UActive Publication Date: 2026-01-30田振青
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Patent Information

Application Number
CN202520191819.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2026-01-30
Estimated Expiration
2035-02-07

AI Technical Summary

Technical Problem

The gas inlet pipe of the reduction furnace is exposed to the outside for a long time, making it susceptible to dust and debris buildup, which can cause blockages and affect the normal gas delivery and operation of the reduction furnace.

Method used

Protective and cleaning devices are installed on the reduction furnace body, including an L-shaped plate and rubber sealing strip in the protective device and a brush plate in the cleaning device, to prevent debris from entering the air inlet pipe and to clean debris from the heat dissipation holes.

Benefits of technology

It effectively prevents foreign objects from entering the air inlet pipe, ensures normal gas delivery, ensures the normal operation of the reduction furnace, and maintains ventilation of the heat dissipation holes through the cleaning device, protecting the internal electronic components from damage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an improved reduction furnace, and particularly relates to the field of reduction furnaces, the improved reduction furnace comprises a reduction furnace body, the bottom of the outer surface of the reduction furnace body is fixedly connected with a base, one side of the outer surface of the base is fixedly provided with a control panel, and one side of the outer surface of the reduction furnace body is rotatably connected with a furnace door. An air inlet pipe is fixedly connected to the position, close to the bottom, of one side of the outer surface of the reduction furnace body, heat dissipation holes are formed in the top of the outer surface of the reduction furnace body, a protection device is arranged on the outer surface of the air inlet pipe, and a cleaning device is arranged on the same side of the outer surface of the reduction furnace body and the heat dissipation holes. And the L-shaped plate slides on the inner wall of the sliding groove, the clamping groove is aligned with the clamping hole, then the rubber sealing strip on the inner wall of the circular groove is inserted into the air inlet pipe, the air inlet pipe is protected, impurities are effectively prevented from entering the air inlet pipe, then it is guaranteed that gas can enter the air inlet pipe normally, and normal work of the reduction furnace is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of reduction furnace, especially a kind of improved reduction furnace. BACKGROUND

[0002] The reduction furnace is a kind of heating equipment, for reducing metal or ceramic material from oxidation state to element or metal. It can be used in many industrial processes, such as metallurgy, chemistry, semiconductor manufacturing, glass manufacturing and ceramic manufacturing, etc.

[0003] The patent with patent publication number CN214780787U discloses an improved reduction furnace, which includes a furnace cylinder, a bottom plate, a bottom tail gas pipeline connected to the bottom of the furnace cylinder, a tail gas secondary inlet pipeline, and a top tail gas pipeline connected to the top of the furnace cylinder. The other end of the top tail gas pipeline is connected to the tail gas secondary inlet pipeline and the bottom tail gas pipeline through the first flow regulating valve and the second flow regulating valve respectively. The opening size of the first flow regulating valve and the second flow regulating valve is adjusted according to the flow meter to adjust the tail gas flow of the bottom tail gas pipeline. The flow size of the cooling water pipe that cools the top tail gas pipeline is adjusted according to the thermometer. The gas is discharged simultaneously from the upper and lower parts of the reduction furnace, ensuring uniform distribution of gas inside the reduction furnace and effectively reducing the temperature at the top of the reduction furnace, reducing the cauliflower material at the top of the reduction furnace, and thus helping to improve the production quality of the polysilicon reduction furnace.

[0004] However, during use, the air inlet pipe on the reduction furnace body is exposed for a long time, which is easy to be attached by dust and debris on the inner wall of the air inlet pipe, which may cause the inner wall of the air inlet pipe to be blocked, making the air inlet pipe unable to normally transport gas, and thus the reduction furnace body cannot perform normal reduction operation. Utility model content

[0005] The utility model aims at solving the problem that the air inlet pipe on the reduction furnace body is exposed for a long time during use, which is easy to be attached by dust and debris on the inner wall of the air inlet pipe, which may cause the inner wall of the air inlet pipe to be blocked, making the air inlet pipe unable to normally transport gas, and thus the reduction furnace body cannot perform normal reduction operation, and proposes an improved reduction furnace technology.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: An improved reduction furnace, including the reduction furnace body, the bottom of the outer surface of reduction furnace body is fixedly connected with the base, the outer surface one side of base is fixedly installed with control panel, the outer surface one side of reduction furnace body is rotatably connected with the furnace door, the outer surface one side of reduction furnace body is fixedly connected with the air inlet pipe near the bottom, the outer surface top of reduction furnace body is provided with the heat dissipation hole, the outer surface of air inlet pipe is provided with the protection device, the outer surface of reduction furnace body and heat dissipation hole same side is provided with cleaning device, the protection device includes the ring and the cylinder, the outer surface arc surface of ring is fixedly connected with L type board, the outer surface one side of L type board is provided with the clamping groove near the bottom, the ring is fixedly connected with air inlet pipe.

[0007] The effect of the above components is that: by setting the protection device and the cleaning device, the L-shaped plate slides in the sliding groove, the clamping groove is aligned with the clamping hole, and the rubber sealing strip on the inner wall of the circular groove is inserted into the air inlet pipe, thereby protecting the air inlet pipe and effectively preventing foreign matter from entering the air inlet pipe, thereby ensuring that the air inlet pipe can normally enter the gas and ensuring that the reduction furnace body works normally. By setting the cleaning device, the T-shaped block slides in the T-shaped groove, and the bristles on the brush plate clean the heat dissipation holes on the reduction furnace body, so that the foreign matter attached to the heat dissipation holes can be effectively cleaned, and the heat dissipation holes can effectively dissipate the heat generated during the operation of the reduction furnace body, thereby preventing the internal electronic components from being damaged.

[0008] Preferably, the inner wall of the cylinder is provided with a circular groove, and the inner wall of the circular groove is fixedly connected with a rubber sealing strip.

[0009] The effect of the above components is that: by setting the circular groove and the rubber sealing strip, the rubber sealing strip can seal the inside of the air inlet pipe, thereby preventing foreign matter from entering when the air inlet pipe is not in use.

[0010] Preferably, the outer arc surface of the cylinder is fixedly connected with a connecting block, the inner wall of the connecting block is provided with a sliding groove, and the size and shape of the inner wall of the sliding groove are adapted to the size and shape of one side of the outer surface of the L-shaped plate.

[0011] The effect of the above components is that: by setting the connecting block and the sliding groove, the L-shaped plate can slide in the sliding groove, thereby cooperating with other components to play a role.

[0012] Preferably, one side of the connecting block is provided with a clamping hole, the clamping hole is communicated with the sliding groove, a clamping rod is insertedly connected to the inner wall of the clamping hole, the outer surface of the clamping rod is matched with the size and shape of the inner wall of the clamping groove, and a loss-preventing rope is fixedly connected to one end of the clamping rod.

[0013] The above-mentioned component achieves the effect that the clamping rod can slide in the inner wall of the clamping hole, and then the clamping rod can be clamped into the inner wall of the clamping groove for fixation.

[0014] Preferably, the cleaning device comprises a rectangular plate and a brush plate, a T-shaped groove is formed in the inner wall of the rectangular plate, and a T-shaped block is slidably connected to the inner wall of the T-shaped groove.

[0015] The above-mentioned component achieves the effect that the T-shaped block can slide in the inner wall of the T-shaped groove, and then the brush plate is driven to move.

[0016] Preferably, one side of the T-shaped block is fixedly connected with a connecting plate, and one side of the brush plate is fixedly connected with a plurality of bristles.

[0017] The above-mentioned component achieves the effect that the bristles can clean the sundries attached to the heat dissipation holes, and then the heat dissipation holes can normally dissipate heat.

[0018] Preferably, a threaded hole is formed in the middle of the inner wall of the connecting plate, a threaded groove with the same size as the threaded hole is formed in the middle of the inner wall of the brush plate, a bolt is threadedly connected to the inner wall of the threaded hole, and the brush plate is threadedly connected with the bolt.

[0019] The above-mentioned component achieves the effect that the bolt can rotate in the inner wall of the threaded hole, and then the brush plate is fixed on the connecting plate.

[0020] In summary, the utility model has the beneficial effects that:

[0021] 1. By setting the protection device, the L-shaped plate slides in the inner wall of the sliding groove, the clamping groove is aligned with the clamping hole, the rubber sealing strip on the inner wall of the circular groove is inserted into the air inlet pipe, the air inlet pipe is protected, sundries are effectively prevented from entering the air inlet pipe, the air inlet pipe can normally enter the gas, and the reduction furnace body can normally work.

[0022] 2By setting the cleaning device, the T-shaped block slides in the inner wall of the T-shaped groove, and the bristles on the brush plate clean the heat dissipation holes on the reduction furnace body, so that the sundries attached to the heat dissipation holes can be effectively cleaned, and the heat dissipation holes can effectively dissipate the heat generated during the operation of the reduction furnace body, so that the internal electronic components are not easily damaged. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0024] Figure 2 It is a three-dimensional structure schematic diagram of the reduction furnace body of the utility model;

[0025] Figure 3 It is a three-dimensional structure schematic diagram of the utility model ring;

[0026] Figure 4 It is a three-dimensional structure schematic diagram of the utility model sealing rubber strip;

[0027] Figure 5 It is a three-dimensional structure schematic diagram of the utility model cleaning device;

[0028] Legend: 1, reduction furnace body; 2, base; 3, control panel; 4, furnace door; 5, air inlet pipe; 6, heat dissipation hole; 7, protection device; 71, ring; 72, L-shaped plate; 73, clamping groove; 74, cylinder; 75, circular groove; 76, rubber sealing strip; 77, connecting block; 78, sliding groove; 79, clamping hole; 710, clamping rod; 711, anti-lost rope; 8, cleaning device; 81, rectangular plate; 82, T-shaped groove; 83, T-shaped block; 84, brush plate; 85, bristle; 86, connecting plate; 87, screw hole; 88, bolt. DETAILED DESCRIPTION

[0029] Reference Figure 1As shown, the utility model provides a technical scheme: an improved reduction furnace, including reduction furnace body 1, the bottom of reduction furnace body 1 is fixedly connected with base 2, the outer surface one side of base 2 is fixedly installed with control panel 3, the outer surface one side of reduction furnace body 1 is rotatably connected with furnace door 4, the outer surface one side of reduction furnace body 1 is fixedly connected with air inlet pipe 5 near the bottom, the top of reduction furnace body 1 is provided with heat dissipation hole 6, the outer surface of air inlet pipe 5 is provided with protection device 7, the outer surface of reduction furnace body 1 and heat dissipation hole 6 same side are provided with cleaning device 8, by setting protection device 7 and cleaning device 8, make L type board 72 in the sliding slot 78 inner wall sliding, make clamping groove 73 and clamping hole 79 alignment, and then make rubber sealing strip 76 on the inner wall of circular groove 75 inserts into air inlet pipe 5, and then make air inlet pipe 5 be protected, effectively prevent sundries from entering air inlet pipe 5 inside, and then guarantee that air inlet pipe 5 can normally enter gas, guarantee reduction furnace body 1 normal work, by setting cleaning device 8, make T type block 83 in T type groove 82 inner wall sliding, and then make brush 85 on brush plate 84 clean heat dissipation hole 6 on reduction furnace body 1, make sundries attached on heat dissipation hole 6, can be effectively cleaned, and then make, heat dissipation hole 6 can effectively heat dissipation the heat generated when reduction furnace body 1 works, guarantee internal electronic component not easy to damage.

[0030] Specifically, the protection device 7 and the cleaning device 8 are described as follows.

[0031] Example one: refer to Figure 3 and Figure 4As shown, in the embodiment: the protection device 7 includes a circular ring 71 and a cylinder 74, the outer surface of the circular ring 71 is fixedly connected with an L-shaped plate 72, a clamping groove 73 is arranged on one side of the outer surface of the L-shaped plate 72 close to the bottom, the circular ring 71 is fixedly connected with the air inlet pipe 5, a circular groove 75 is arranged on the inner wall of the cylinder 74, a rubber sealing strip 76 is fixedly connected on one side of the inner wall of the circular groove 75, the outer surface of the rubber sealing strip 76 is matched with the size and shape of the inner wall of the air inlet pipe 5, the circular groove 75 and the rubber sealing strip 76 are arranged to seal the inside of the air inlet pipe 5, so that foreign matter cannot easily enter the air inlet pipe 5 when not in use, the outer surface of the cylinder 74 is fixedly connected with a connecting block 77, a sliding groove 78 is arranged on the inner wall of the connecting block 77, the size and shape of the sliding groove 78 are matched with the size and shape of one side of the outer surface of the L-shaped plate 72, the connecting block 77 and the sliding groove 78 are arranged to enable the L-shaped plate 72 to slide on the inner wall of the sliding groove 78, and then cooperate with other components to play a role, a clamping hole 79 is arranged on one side of the connecting block 77, the clamping hole 79 penetrates the sliding groove 78, a clamping rod 710 is inserted and connected on the inner wall of the clamping hole 79, the size and shape of the outer surface of the clamping rod 710 are matched with the size and shape of the inner wall of the clamping groove 73, a loss prevention rope 711 is fixedly connected on one end of the clamping rod 710, the loss prevention rope 711 is fixedly connected with the cylinder 74, the clamping rod 710 and the clamping hole 79 are arranged to enable the clamping rod 710 to slide on the inner wall of the clamping hole 79, so that the clamping rod 710 can be clamped into the inner wall of the clamping groove 73, and then fixed.

[0032] Embodiment two: refer to Figure 2 and Figure 5 As shown, in the embodiment: the cleaning device 8 includes a rectangular plate 81 and a brush plate 84, a T-shaped groove 82 is arranged on the inner wall of the rectangular plate 81, a T-shaped block 83 is slidably connected on the inner wall of the T-shaped groove 82, the rectangular plate 81 is fixedly connected with the reducing furnace body 1, the T-shaped block 83 and the T-shaped groove 82 are arranged to enable the T-shaped block 83 to slide on the inner wall of the T-shaped groove 82, and then drive the brush plate 84 to move, a connecting plate 86 is fixedly connected on one side of the T-shaped block 83, a plurality of bristles 85 are fixedly connected on one side of the brush plate 84, the brush plate 84 and the bristles 85 are arranged to enable the bristles 85 to clean the foreign matter attached on the heat dissipation hole 6, so as to facilitate the normal heat dissipation of the heat dissipation hole 6, a threaded hole 87 is arranged on the inner wall of the connecting plate 86, a threaded groove with the same size as the threaded hole 87 is arranged on the inner wall of the brush plate 84, a bolt 88 is threadedly connected on the inner wall of the threaded hole 87, the brush plate 84 is threadedly connected with the bolt 88, the bolt 88 and the threaded hole 87 are arranged to enable the bolt 88 to rotate on the inner wall of the threaded hole 87, so that the brush plate 84 is fixed on the connecting plate 86.

[0033] Working principle, the working principle of the improved reduction furnace is that when in use, the reduction furnace body 1 is connected to the power supply, the furnace door 4 is opened, the metal to be reduced is put into the reduction furnace body 1, at this time the furnace door 4 is closed, the required gas is introduced into the reduction furnace body 1 through the gas inlet pipe 5, at this time the reduction furnace body 1 is controlled to work through the control panel 3 to reduce the metal in the interior, when it is required to protect the gas inlet pipe 5, at this time the cylinder 74 is pushed, so that the rubber sealing strip 76 on the inner wall of the circular groove 75 slides in the inner wall of the gas inlet pipe 5, at this time the L-shaped plate 72 slides in the inner wall of the sliding groove 78, when the clamping groove 73 on the L-shaped plate 72 is aligned with the clamping hole 79 on the connecting block 77, at this time the clamping rod 710 is inserted, so that the clamping rod 710 slides in the inner wall of the clamping groove 73 and the clamping hole 79, and is fixed, when it is required to clean the sundries attached to the heat dissipation hole 6, at this time the brush plate 84 is pushed, when the threaded groove on the brush plate 84 is aligned with the threaded hole 87 on the connecting plate 86, at this time the bolt 88 is rotated, so that the bolt 88 rotates in the inner wall of the threaded hole 87 and the threaded groove, and the brush plate 84 is fixed, at this time the connecting plate 86 is pushed, so that the T-shaped block 83 on the connecting plate 86 slides in the inner wall of the T-shaped groove 82, and the bristles 85 on the brush plate 84 clean the sundries on the heat dissipation hole 6.

[0034] In the description of the present application, it should be explained that, unless otherwise specified and limited, the terms "mounting", "connecting" and "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

Claims

1. An improved reduction furnace comprising a reduction furnace body (1), characterized in that: The outer surface bottom of the reduction furnace body (1) is fixedly connected with a base (2), one side of the outer surface of the base (2) is fixedly installed with a control panel (3), one side of the outer surface of the reduction furnace body (1) is rotatably connected with a furnace door (4), one side of the outer surface of the reduction furnace body (1) is fixedly connected with an air inlet pipe (5) near the bottom, the outer surface top of the reduction furnace body (1) is provided with a heat dissipation hole (6), the outer surface of the air inlet pipe (5) is provided with a protection device (7), the outer surface of the reduction furnace body (1) is provided with a cleaning device (8) on the same side of the heat dissipation hole (6), the protection device (7) comprises a circular ring (71) and a cylinder (74), the outer surface arc surface of the circular ring (71) is fixedly connected with an L-shaped plate (72), the outer surface of one side of the L-shaped plate (72) is provided with a clamping groove (73) near the bottom, and the circular ring (71) is fixedly connected with the air inlet pipe (5).

2. The improved reduction furnace as claimed in claim 1, wherein: The inner wall of the cylinder (74) is provided with a circular groove (75), one side of the inner wall of the circular groove (75) is fixedly connected with a rubber sealing strip (76), and the outer surface of the rubber sealing strip (76) is matched in size and shape with the inner wall of the air inlet pipe (5).

3. The improved reduction furnace as claimed in claim 1 wherein: The outer surface arc surface of the cylinder (74) is fixedly connected with a connecting block (77), the inner wall of the connecting block (77) is provided with a sliding groove (78), and the size and shape of the inner wall of the sliding groove (78) are matched with the size and shape of one side of the outer surface of the L-shaped plate (72).

4. The improved reduction furnace as claimed in claim 3, wherein: One side of the connecting block (77) is provided with a clamping hole (79), the clamping hole (79) penetrates through the sliding groove (78), a clamping rod (710) is insertedly connected to the inner wall of the clamping hole (79), the size and shape of the outer surface of the clamping rod (710) are matched with the size and shape of the inner wall of the clamping groove (73), one end of the clamping rod (710) is fixedly connected with an anti-lost rope (711), and the anti-lost rope (711) is fixedly connected with the cylinder (74).

5. The improved reduction furnace as claimed in claim 1 wherein: The cleaning device (8) comprises a rectangular plate (81) and a brush plate (84), the inner wall of the rectangular plate (81) is provided with a T-shaped groove (82), and the T-shaped groove (82) is slidably connected with a T-shaped block (83).

6. An improved reduction furnace as claimed in claim 5, wherein: One side of the T-shaped block (83) is fixedly connected with a connecting plate (86), and one side of the brush plate (84) is fixedly connected with a plurality of bristles (85).

7. An improved reduction furnace as claimed in claim 6, wherein: Threaded holes (87) are formed in the inner wall of the connecting plate (86) and the middle of the inner wall of the brush plate (84), the threaded holes (87) are matched in size, the inner wall of the threaded hole (87) is threadedly connected with a bolt (88), and the brush plate (84) is threadedly connected with the bolt (88).

Citation Information

Patent Citations

  • Improved polycrystalline silicon reduction furnace

    CN214780787U