Automatic cleaning assembly for chassis of reduction furnace

Abstract

The utility model discloses a reduction furnace chassis automatic cleaning assembly which comprises a dry ice nozzle, a limiting telescopic rod is arranged on a connecting ring plate, the upper end of the limiting telescopic rod is arranged on a cleaning connecting base in a sliding mode, and the upper end of an outer ring sleeve is fixedly connected with the connecting ring plate in a sealed mode. The inner ring sleeve is arranged in the outer ring sleeve, the upper end of the inner ring sleeve is fixedly connected with the connecting ring plate in a sealed mode, the lower end of the outer ring sleeve is matched with a reduction furnace chassis, the dry ice spray head is obliquely and fixedly arranged at the lower end of the spray head connecting rod, and the upper end of the spray head connecting rod penetrates through a through hole in the connecting ring plate and then is fixedly connected with the rotating disc. The cleaning rotating motor is fixedly arranged on the cleaning connecting base and used for driving the rotating disc to rotate. The chassis of the reduction furnace is automatically cleaned, the cleaning efficiency can be effectively improved, the cleaning cost is reduced, and the electrode cannot be damaged by adopting dry ice for cleaning.

Description

Technical Field

[0001] The utility model relates to the technical field of reduction furnace chassis cleaning, in particular to an automatic reduction furnace chassis cleaning component. Background Art

[0002] The reduction furnace chassis is used for the production of polysilicon rods. After the silicon rods are removed from the electrodes of the reduction furnace chassis, the electrodes need to be fully cleaned before they can be used for secondary production. The cleaning method in the prior art is to clean manually with an electric brush. The manual cleaning process is prone to incomplete cleaning, which makes crystallization difficult during secondary production. The manual cleaning efficiency is low, resulting in increased production costs, and the electrodes are easily damaged during the manual cleaning process. At the same time, a large amount of dust will be generated during the cleaning process, and this dust will enter the body of the worker and cause certain physical harm. Utility Model Content

[0003] The utility model aims to overcome the deficiencies of the prior art and provide an automatic cleaning component for a reduction furnace chassis.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A reduction furnace chassis automatic cleaning component comprises a cleaning connection seat, a limiting telescopic rod, a connection ring plate, an inner ring sleeve, an outer ring sleeve, a dry ice nozzle, a nozzle connecting rod, a rotating disk and a cleaning rotating motor, wherein at least two limiting telescopic rods are fixedly arranged on the connection ring plate, the upper end of the limiting telescopic rod is slidably arranged on the cleaning connection seat, the upper end of the outer ring sleeve is sealed and fixedly connected to the connection ring plate, the inner ring sleeve is arranged in the outer ring sleeve and the upper end is sealed and fixedly connected to the connection ring plate, the lower end of the outer ring sleeve extends to the outside of the lower end of the inner ring sleeve and cooperates with the reduction furnace chassis, the The dry ice nozzle is tilted and fixedly arranged on the lower end of the nozzle connecting rod and cooperates with the electrode on the bottom plate of the reduction furnace. The lower end of the nozzle connecting rod is arranged in the inner ring sleeve. The upper end of the nozzle connecting rod passes through the through hole on the connecting ring plate and is fixedly connected to the rotating disk. The rotating disk is rotatably arranged on the cleaning connecting seat. The cleaning rotating motor is fixedly arranged on the cleaning connecting seat and is used to drive the rotating disk to rotate. The dust removal pipe head is sealed and fixed on the connecting ring plate and is connected to the dust chamber formed between the outer ring sleeve and the inner ring sleeve. The cleaning rotating motor is electrically connected to the control center.

[0006] Furthermore, a flexible dustproof retaining ring cooperating with the reduction furnace bottom plate is sealed and fixedly provided on the lower end portion of the outer ring sleeve.

[0007] Furthermore, the dry ice spray head is sealed and connected to a dry ice blaster through a delivery pipe, and the dry ice blaster is electrically connected to the control center.

[0008] Furthermore, a first tube hole cooperating with the delivery tube is arranged on the middle part of the cleaning connection seat, a second tube hole coaxially cooperating with the first tube hole is arranged on the rotating disk, and the second tube hole cooperates with the delivery tube.

[0009] Furthermore, the connecting ring plate and the inner ring sleeve are sealed and fixedly connected via a conical ring sleeve, and the large diameter end of the conical ring sleeve is fixedly connected to the inner ring sleeve.

[0010] Furthermore, the outlet of the dry ice spray nozzle is in the shape of an elongated strip, and the elongated outlet is vertically arranged.

[0011] Furthermore, the dust removal pipe head is sealed and connected to the dust collector through the dust removal pipe, and the dust collector is electrically connected to the control center.

[0012] Furthermore, the inner ring sleeve and the outer ring sleeve have circular cross-sections and are coaxially arranged.

[0013] Furthermore, four limiting telescopic rods are arranged between the cleaning connection seat and the connecting ring plate, and the four limiting telescopic rods are arranged parallel to each other.

[0014] Furthermore, the cleaning connection seat is fixed on the reduction furnace chassis through an adjusting bracket.

[0015] The beneficial effects of the utility model are:

[0016] 1) In this technology, the cleaning of the reduction furnace chassis is automated, which can effectively improve the cleaning efficiency and reduce the cleaning cost. The use of dry ice cleaning will not damage the electrode. The use of the inner ring sleeve, the outer ring sleeve and the connecting ring plate can effectively remove the dust generated during the cleaning process, which will not pollute the environment or cause harm to the human body.

[0017] 2) In this technology, the provision of a conical ring sleeve can effectively prevent dust from being discharged from the through holes on the connecting ring plate, and also make the volume of the dust chamber larger, making it easier for the dust removal pipe head to better absorb dust.

[0018] 3) In the present technology, a flexible dustproof baffle ring is provided on the outer ring sleeve, which can reduce the discharge of dust from the gap between the flexible dustproof baffle ring and the bottom plate of the reduction furnace.

[0019] 4) In the present technology, a first tube hole is provided on the cleaning connection seat, and a second tube hole is provided on the rotating disk. With the cooperation of the first tube hole and the second tube hole, the conveying tube can be effectively prevented from being bent by the limiting telescopic rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a three-dimensional connection structure diagram of the cleaning component;

[0021] Figure 2 This is the internal connection structure diagram of the cleaning component;

[0022] Figure 3 This is a three-dimensional connection structure diagram between the cleaning component and the reduction furnace chassis;

[0023] In the figure, 1-cleaning connecting seat, 2-limiting telescopic rod, 3-connecting ring plate, 4-inner ring sleeve, 5-outer ring sleeve, 6-dry ice nozzle, 7-nozzle connecting rod, 8-rotating disk, 9-cleaning rotating motor, 10-reduction furnace chassis, 11-electrode, 12-dust removal pipe head, 13-dust chamber, 14-flexible dustproof retaining ring, 15-conveying pipe, 16-conical ring sleeve, 17-adjusting bracket. DETAILED DESCRIPTION

[0024] The following will be combined with the embodiments to clearly and completely describe the technical solution of the utility model. Obviously, the described embodiments are only 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 those skilled in the art without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-Figure 3 , the utility model provides a technical solution:

[0026] A reduction furnace chassis automatic cleaning component, comprising a cleaning connection seat 1, a limiting telescopic rod 2, a connection ring plate 3, an inner ring sleeve 4, an outer ring sleeve 5, a dry ice nozzle 6, a nozzle connecting rod 7, a rotating disk 8 and a cleaning rotating motor 9, at least two limiting telescopic rods 2 are fixedly arranged on the connection ring plate 3, the upper end of the limiting telescopic rod 2 is slidably arranged on the cleaning connection seat 1, the upper end of the outer ring sleeve 5 is sealed and fixedly connected to the connection ring plate 3, the inner ring sleeve 4 is arranged in the outer ring sleeve 5 and the upper end is sealed and fixedly connected to the connection ring plate 3, the lower end of the outer ring sleeve 5 extends to the outer side of the lower end of the inner ring sleeve 4 and is connected to the reduction furnace chassis 1 0, the dry ice nozzle 6 is tilted and fixedly arranged on the lower end of the nozzle connecting rod 7 and cooperates with the electrode 11 on the reduction furnace chassis 10, the lower end of the nozzle connecting rod 7 is arranged in the inner ring sleeve 4, and the upper end of the nozzle connecting rod 7 passes through the through hole on the connecting ring plate 3 and is fixedly connected to the rotating disk 8, the rotating disk 8 is rotatably arranged on the cleaning connection seat 1, the cleaning rotating motor 9 is fixedly arranged on the cleaning connection seat 1 and is used to drive the rotating disk 8 to rotate, the dust removal pipe head 12 is sealed and fixed on the connecting ring plate 3 and communicates with the dust chamber 13 formed between the outer ring sleeve 5 and the inner ring sleeve 4, and the cleaning rotating motor 9 is electrically connected to the control center. The cross-sections of the inner ring sleeve 4 and the outer ring sleeve 5 are circular and coaxially arranged. Four limit telescopic rods 2 are arranged between the cleaning connection seat 1 and the connecting ring plate 3, and the four limit telescopic rods 2 are arranged parallel to each other. Among them, the cleaning connection seat 1 plays a role of fixed connection, the control center and the cleaning rotating motor 9 are both prior art, the cleaning rotating motor 9 is fixed on the cleaning connection seat 1, the rotating disk 8 can only rotate on the cleaning connection seat 1, the cleaning rotating motor 9 drives the rotating disk 8 to rotate through the gear set in the prior art, the rotating disk 8 drives the nozzle connecting rod 7 to rotate, the nozzle connecting rod 7 carries the dry ice nozzle 6 around the electrode 11 and cleans the electrode 11, and the dry ice nozzle 6 is connected to the dry ice sprayer through the conveying pipe 15. In order to remove the dust generated during the cleaning process, a connecting ring plate 3, an inner ring sleeve 4, an outer ring sleeve 5 and a dust removal pipe head 12 are set, the dry ice sprayed by the dry ice nozzle 6 cleans the electrode 11 in the inner ring sleeve 4, and the generated dust and impurities enter the dust chamber 13 between the inner ring sleeve 4 and the outer ring sleeve 5, and then enter the dust collector through the dust removal pipe head 12. The cross-sections of the inner ring sleeve 4, the outer ring sleeve 5 and the connecting ring plate 3 are all circular and coaxially arranged. During dust removal, the inner ring sleeve 4 is coaxially arranged with the electrode 11. The cleaning connection seat 1 and the connecting ring plate 3 are connected by at least two limit telescopic rods 2. Four limit telescopic rods 2 are arranged in a square shape. The four limit telescopic rods 2 are arranged parallel to each other. The lower end of the limit telescopic rod 2 is fixedly connected to the connecting ring plate 3. The limit telescopic rod 2 slides in the sliding hole on the cleaning connection seat 1. A limit card is fixedly arranged on the upper end of the limit telescopic rod 2. The limit card prevents the limit telescopic rod 2 from falling off the cleaning connection seat 1. When the lower end of the outer ring sleeve 5 contacts the upper surface of the reduction furnace bottom plate 10, the cleaning connection seat 1 is in the middle position of the limit telescopic rod 2.The delivery pipe 15 also passes through the through hole on the connecting ring plate 3. The control center controls the cleaning rotating motor 9 on the cleaning assembly to drive the dry ice spray head 6 to slowly rotate 360 ​​degrees in the forward direction, and then slowly rotate 360 ​​degrees in the reverse direction to return to the initial position. The dry ice spray head 6 rotates around the electrode 11 and cleans. Two cleaning operations are performed in the forward and reverse directions. If two cleaning operations are not thorough enough, three, four or more cleaning operations can be selected. The electrode 11 will not be damaged during dry ice cleaning.

[0027] In some embodiments, a flexible dustproof retaining ring 14 that cooperates with the reduction furnace bottom plate 10 is sealed and fixedly provided on the lower end of the outer ring sleeve 5. The flexible dustproof retaining ring 14 is a flexible rubber retaining ring in the prior art, and under the action of the flexible dustproof retaining ring 14, dust is reduced from being discharged from the gap between the flexible dustproof retaining ring 14 and the reduction furnace bottom plate 10.

[0028] In some embodiments, the dry ice spray head 6 is sealed and connected to the dry ice blaster through the delivery pipe 15, and the dry ice blaster is electrically connected to the control center. A first tube hole matching the delivery pipe 15 is provided in the middle of the cleaning connection seat 1, and a second tube hole matching the first tube hole is coaxially provided on the rotating disk 8, and the second tube hole matches the delivery pipe 15. Among them, the dry ice blaster is controlled by the control center in the prior art. During cleaning, the dry ice blaster is controlled to open and spray dry ice from the dry ice spray head 6 to clean the electrode 11. In order to prevent the delivery pipe 15 from being unable to spray dry ice after being bent under the action of several limiting telescopic rods 2, the delivery pipe 15 needs to pass through the first tube hole and the second tube hole, so as to prevent the delivery pipe 15 from being bent by the limiting telescopic rod 2 and unable to transport dry ice.

[0029] In some embodiments, the connecting ring plate 3 and the inner ring sleeve 4 are sealed and fixedly connected by a conical ring sleeve 16, and the large diameter end of the conical ring sleeve 16 is fixedly connected to the inner ring sleeve 4. Among them, the small diameter end of the conical ring sleeve 16 is coaxially sealed and fixedly connected to the connecting ring plate 3, and the large diameter end of the conical ring sleeve 16 is coaxially sealed and fixedly connected to the inner ring sleeve 4. The provision of the conical ring sleeve 16 can effectively prevent dust from being discharged from the through hole on the connecting ring plate 3, and also make the volume of the dust chamber 13 larger, so that the dust removal pipe head 12 can better absorb dust. After the conical ring sleeve 16 is added, the length of the lower end of the inner ring sleeve 4 is not higher than the end of the outer ring sleeve 5.

[0030] In some embodiments, the outlet of the dry ice nozzle 6 is in the shape of an elongated strip, and the elongated outlet is arranged vertically. The elongated outlet can clean a larger area of ​​the electrode 11 at one time during the cleaning process, and the dry ice can clean the electrode 11 more concentratedly.

[0031] In some embodiments, the dust removal pipe head 12 is sealed and connected to the dust collector through the dust removal pipe, and the dust collector is electrically connected to the control center. Wherein, the dust collector is a prior art and is controlled by the control center. Turning on the dust collector can absorb dust during the cleaning process.

[0032] In some embodiments, the cleaning connection seat 1 is fixed on the reduction furnace chassis 10 through an adjustment bracket 17. Among them, the adjustment bracket 17 includes a cleaning rack, a vertical adjustment component, a rotating component and a horizontal adjustment component in the prior art. The lower end of the cleaning rack cooperates with the reduction furnace chassis 10. A vertical adjustment component is coaxially fixed on the upper end of the cleaning rack. The rotating component is fixed on the output end of the vertical adjustment component. A plurality of horizontal adjustment components are fixed on the output end of the rotating component. A cleaning component that cooperates with the electrode 11 on the reduction furnace chassis 10 is fixed on the output end of the horizontal adjustment component. The vertical adjustment component, the rotating component and the horizontal adjustment component are all electrically connected to the control center and controlled by the control center. The vertical adjustment component is arranged on the cleaning rack to drive the cleaning component to move up and down, the rotating component is arranged on the vertical adjustment component to drive the cleaning component to rotate, and the horizontal adjustment component is arranged on the rotating component to drive the cleaning component to move horizontally.

[0033] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0034] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation", "hinge" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0035] The above is only a preferred embodiment of the utility model. It should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. An automatic cleaning assembly for a reduction furnace chassis, characterized in that: The invention comprises a cleaning connection seat (1), a limiting telescopic rod (2), a connecting ring plate (3), an inner ring sleeve (4), an outer ring sleeve (5), a dry ice nozzle (6), a nozzle connecting rod (7), a rotating disk (8) and a cleaning rotating motor (9), wherein at least two limiting telescopic rods (2) are fixedly arranged on the connecting ring plate (3), the upper ends of the limiting telescopic rods (2) are slidably arranged on the cleaning connection seat (1), the upper end of the outer ring sleeve (5) is sealed and fixedly connected to the connecting ring plate (3), the inner ring sleeve (4) is arranged in the outer ring sleeve (5) and the upper end is sealed and fixedly connected to the connecting ring plate (3), the lower end of the outer ring sleeve (5) extends to the outer side of the lower end of the inner ring sleeve (4) and cooperates with the reduction furnace bottom plate (10), the dry ice nozzle (6) ) is tilted and fixedly arranged on the lower end of the nozzle connecting rod (7) and cooperates with the electrode (11) on the reduction furnace bottom plate (10); the lower end of the nozzle connecting rod (7) is arranged in the inner ring sleeve (4); the upper end of the nozzle connecting rod (7) passes through the through hole on the connecting ring plate (3) and is fixedly connected to the rotating disk (8); the rotating disk (8) is rotatably arranged on the cleaning connecting seat (1); the cleaning rotating motor (9) is fixedly arranged on the cleaning connecting seat (1) and is used to drive the rotating disk (8) to rotate; the dust removal pipe head (12) is sealed and fixed on the connecting ring plate (3) and is connected to the dust chamber (13) formed between the outer ring sleeve (5) and the inner ring sleeve (4); the cleaning rotating motor (9) is electrically connected to the control center.

2. The automatic cleaning assembly for the bottom plate of a reduction furnace according to claim 1, characterized in that: A flexible dustproof retaining ring (14) that cooperates with the reduction furnace bottom plate (10) is sealed and fixedly arranged on the lower end portion of the outer ring sleeve (5).

3. The automatic cleaning assembly for the bottom plate of a reduction furnace according to claim 1 or 2, characterized in that: The dry ice spray head (6) is in sealed communication with a dry ice blaster via a delivery pipe (15), and the dry ice blaster is electrically connected to the control center.

4. The automatic cleaning assembly for the bottom plate of a reduction furnace according to claim 3, characterized in that: A first tube hole cooperating with the delivery tube (15) is provided in the middle of the cleaning connection seat (1), and a second tube hole cooperating with the first tube hole is coaxially provided on the rotating disk (8), and the second tube hole cooperates with the delivery tube (15).

5. The automatic cleaning assembly for the bottom plate of a reduction furnace according to claim 1 or 2, characterized in that: The connecting ring plate (3) and the inner ring sleeve (4) are sealed and fixedly connected via a conical ring sleeve (16), and the large diameter end of the conical ring sleeve (16) is fixedly connected to the inner ring sleeve (4).

6. The automatic cleaning assembly for the bottom plate of a reduction furnace according to claim 1 or 2, characterized in that: The outlet of the dry ice spray head (6) is in the shape of an elongated strip, and the elongated outlet is arranged vertically.

7. The automatic cleaning assembly for the bottom plate of a reduction furnace according to claim 1 or 2, characterized in that: The dust removal pipe head (12) is sealed and connected to the dust collector through the dust removal pipe, and the dust collector is electrically connected to the control center.

8. The automatic cleaning assembly for the bottom plate of a reduction furnace according to claim 1 or 2, characterized in that: The inner ring sleeve (4) and the outer ring sleeve (5) have circular cross-sections and are coaxially arranged.

9. The automatic cleaning assembly for the bottom plate of a reduction furnace according to claim 1 or 2, characterized in that: Four position-limiting telescopic rods (2) are arranged between the cleaning connection seat (1) and the connection ring plate (3), and the four position-limiting telescopic rods (2) are arranged parallel to each other.

10. The automatic cleaning assembly for the bottom plate of a reduction furnace according to claim 1 or 2, characterized in that: The cleaning connection seat (1) is fixed on the reduction furnace chassis (10) via an adjustment bracket (17).

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