CN217323392U

CN217323392U - Heat-resistant polycrystalline silicon reduction furnace insulating ceramic structural part

Info

Publication number: CN217323392U
Application number: CN202220832293.XU
Authority: CN
Inventors: 曹羽; 何建和
Original assignee: Jingdezhen Jingda Of New Material Co ltd
Current assignee: Jingdezhen Jingda Of New Material Co ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-08-30
Anticipated expiration: 2032-04-12

Abstract

The utility model discloses a heat-resistant type polycrystalline silicon reduction furnace insulating ceramic structure spare, including ceramic overcoat and electrode tank, the inside electrode tank of having seted up of ceramic overcoat, and the intensive annular of having seted up of ceramic overcoat surface to the equidistant distribution of annular, the ceramic overcoat surface is located electrode tank one side and has seted up the gasket groove, and the fixed toper rubber sleeve that bonds of gasket inslot portion. Has the advantages that: the utility model discloses a pottery overcoat and annular, the electrode passes the inside electrode slot of seting up of pottery overcoat, by the pottery overcoat parcel, the direct contact electrode is not directly contacted to the cooling water, avoid taking place the short circuit, the pottery overcoat adopts pottery to make, the heat conductivity is good, the cooling effect is improved, simultaneously, at the intensive even annular of having seted up in the surface of pottery overcoat, make the pottery overcoat surface formation heat dissipation fin with the cooling water contact, increased with the area of contact of cooling water, heat exchange efficiency is improved to cooling efficiency has been improved.

Description

Heat-resistant polycrystalline silicon reduction furnace insulating ceramic structural part

Technical Field

The utility model relates to a polycrystalline silicon reduction furnace technical field particularly, relates to a heat-resistant type polycrystalline silicon reduction furnace insulating ceramic structure spare.

Background

The reducing furnace is the place that takes place hydrogen reduction reaction, be the equipment of direct output polycrystalline silicon, polycrystalline silicon reducing furnace includes the furnace body, the electrode carries out refrigerated coolant tank for the electrode with being located the bottom, traditional electrode directly passes coolant tank, coolant tank lets in the cooling water and lowers the temperature for the electrode, in order to avoid the electrode short circuit, generally cup joint rubber insulation equipment in the electrode outside, but rubber insulation equipment heat conductivility is not high, it is not high to lead to cooling efficiency, can further make the improvement, in addition, traditional electrode when the installation, need be at furnace body internally mounted stagnant water bolt, need the staff to bore into the furnace body, it is very troublesome to operate, lead to the installation inconvenient, also can further make the improvement.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the not enough of prior art, the utility model provides a heat-resistant type polycrystalline silicon reduction furnace insulating ceramic structure possesses the advantage that cooling efficiency is high, the installation of being convenient for, and then solves the problem among the above-mentioned background art.

(II) technical scheme

For realizing the advantage of above-mentioned cooling efficiency height, be convenient for the installation, the utility model discloses a specific technical scheme as follows:

the utility model provides a heat-resistant type polycrystalline silicon reduction furnace insulating ceramic structure spare, includes ceramic overcoat and electrode tank, the electrode tank has been seted up to ceramic overcoat inside, and ceramic overcoat surface is intensive has seted up the annular to the equidistant distribution of annular, the gasket groove has been seted up to ceramic overcoat surface position in electrode tank one side, and the gasket inslot portion is fixed to bond has the toper rubber sleeve.

Furthermore, one end of the ceramic outer sleeve is provided with a through hole, and a sealing sleeve is adhered to the inner wall of the through hole.

Furthermore, the other end of the ceramic outer sleeve is in threaded sleeve connection with an end cover, and the bottom surface of the end cover is provided with a terminal yielding hole.

Further, the outer wall of the ceramic outer sleeve is integrally connected with a mounting plate, and bolt holes are formed in the surface of the mounting plate.

Furthermore, a sealing gasket is adhered between the mounting plate and the outer wall of the cooling water tank on the top surface of the mounting plate, and through holes are formed in the surface of the sealing gasket corresponding to the positions of the bolt holes.

Furthermore, the outer diameter of the top surface of the conical rubber sleeve is equal to the diameter of the electrode mounting hole, and the outer diameter of the bottom surface of the conical rubber sleeve is larger than the diameter of the electrode mounting hole.

Furthermore, the end cover is made of the same material as the ceramic outer sleeve.

(III) advantageous effects

Compared with the prior art, the utility model provides a heat-resistant type polycrystalline silicon reduction furnace insulating ceramic structure spare possesses following beneficial effect:

(1) the utility model discloses a pottery overcoat and annular, the electrode passes the inside electrode slot of seting up of pottery overcoat, by the pottery overcoat parcel, the direct contact electrode is not directly contacted to the cooling water, avoid taking place the short circuit, the pottery overcoat adopts pottery to make, and the heat conductivity is good, has improved the cooling effect, and simultaneously, at the intensive even annular of seting up in the surface of pottery overcoat, the pottery overcoat surface that makes and the cooling water contact forms heat dissipation fin, increased with the area of contact of cooling water, heat exchange efficiency has been improved to cooling efficiency has been improved.

(2) The utility model discloses a gasket groove and toper rubber sleeve, toper rubber sleeve and the inside fixed bonding of gasket groove, when this device of installation, the staff can insert this device in the electrode mounting hole that coolant tank offered, when toper rubber sleeve passes the inboard electrode mounting hole of coolant tank, toper rubber sleeve supports tightly with the electrode mounting hole gradually to the cross-section of gradual change down from last, produce the shutoff gap of fully deforming, thereby waterproof and leak-proof effect has been played, the trouble at polycrystalline silicon reduction furnace internally mounted stagnant water bolt has been saved, very big has made things convenient for the installation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the internal structure of an insulating ceramic structure of a heat-resistant polysilicon reduction furnace according to the present invention;

FIG. 2 is a front view of an insulating ceramic structure of a heat-resistant polysilicon reduction furnace according to the present invention;

FIG. 3 is an enlarged view of the node A of the insulating ceramic structure of the heat-resistant polysilicon reduction furnace according to the present invention;

fig. 4 is an external structural schematic diagram of an insulating ceramic structural member of a heat-resistant polysilicon reduction furnace according to the present invention.

In the figure:

1. a ceramic outer sleeve; 2. a ring groove; 3. mounting a plate; 4. bolt holes; 5. a gasket; 6. an end cap; 7. a gasket groove; 8. a conical rubber sleeve; 9. an electrode tank; 10. a hole is punched; 11. the sleeve is sealed.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the embodiment of the utility model, a heat-resistant type polycrystalline silicon reduction furnace insulating ceramic structure spare is provided.

Referring to the drawings and the detailed description, the present invention will be further described, as shown in fig. 1-4, according to an embodiment of the present invention, a heat-resistant polysilicon reduction furnace insulating ceramic structure comprises a ceramic jacket 1 and electrode grooves 9, wherein the ceramic jacket 1 is internally provided with electrode grooves 9 for inserting electrodes, the outer surface of the ceramic jacket 1 is densely provided with annular grooves 2, the annular grooves 2 are distributed at equal intervals, the outer surface of the ceramic jacket 1 is provided with a gasket groove 7 at one side of the electrode grooves 9, a tapered rubber sleeve 8 is fixedly bonded inside the gasket groove 7, the electrodes pass through the electrode grooves 9 formed inside the ceramic jacket 1 and are wrapped by the ceramic jacket 1, cooling water does not directly contact with the electrodes, short circuit is avoided, the ceramic jacket 1 is made of ceramic, thermal conductivity is good, cooling effect is improved, and at the same time, the annular grooves 2 are densely and uniformly formed on the surface of the ceramic jacket 1, make the ceramic overcoat 1 surface with the cooling water contact form the heat dissipation fin, increased the area of contact with the cooling water, heat exchange efficiency has been improved, thereby cooling efficiency is improved, and simultaneously, toper rubber sleeve 8 and the inside fixed bonding of backing ring groove 7, when this device is installed, the staff can insert this device in the electrode mounting hole that cooling water tank seted up, when toper rubber sleeve 8 passes the electrode mounting hole of cooling water tank inboard, toper rubber sleeve 8 supports tightly with the electrode mounting hole from last gradual change down in cross-section, produce the abundant shutoff gap that warp, thereby waterproof leak-proof effect has been played, the trouble at polycrystalline silicon reduction furnace internally mounted stagnant water bolt has been saved, the very big installation that has made things convenient for.

In one embodiment, a through hole 10 is formed at one end of the ceramic outer sleeve 1, a sealing sleeve 11 is adhered to the inner wall of the through hole 10, and the electrode through end is in interference fit with the sealing sleeve 11 to avoid water leakage.

In one embodiment, the other end of the ceramic outer sleeve 1 is threaded and sleeved with the end cover 6, and the bottom surface of the end cover 6 is provided with a terminal abdicating hole for facilitating the terminal to penetrate out for wiring.

In one embodiment, the mounting plate 3 is integrally connected to the outer wall of the ceramic outer sleeve 1, and the surface of the mounting plate 3 is provided with bolt holes 4, when the ceramic outer sleeve is mounted, bolts penetrate through the bolt holes 4 to be connected with mounting threaded blind holes formed in the outer wall of the cooling water tank, and the mounting is a common mounting mode.

In one embodiment, the sealing gasket 5 is adhered between the mounting plate 3 and the outer wall of the cooling water tank on the top surface of the mounting plate 3, and is a common sealing structure, and through holes are formed in the surface of the sealing gasket 5 corresponding to the positions of the bolt holes 4, so that bolts can conveniently pass through the through holes.

In one embodiment, the outer diameter of the top surface of the conical rubber sleeve 8 is equal to the diameter of the electrode mounting hole, and the outer diameter of the bottom surface of the conical rubber sleeve 8 is larger than the diameter of the electrode mounting hole, so that the conical rubber sleeve can be deformed to block the gap when passing through the electrode mounting hole.

In one embodiment, the end cap 6 is made of the same material as the ceramic outer sleeve 1, and plays a role of insulation.

The working principle is as follows:

the electrode passes through an electrode groove 9 formed in the ceramic outer sleeve 1 and is wrapped by the ceramic outer sleeve 1, cooling water does not directly contact with the electrode, short circuit is avoided, the ceramic outer sleeve 1 is made of ceramics, the thermal conductivity is good, the cooling effect is improved, meanwhile, annular grooves 2 are densely and uniformly formed in the surface of the ceramic outer sleeve 1, so that heat dissipation fins are formed on the surface of the ceramic outer sleeve 1 contacting with the cooling water, the contact area with the cooling water is increased, the heat exchange efficiency is improved, and the cooling efficiency is improved, meanwhile, a conical rubber sleeve 8 is fixedly bonded with the inner part of a gasket groove 7, when the device is installed, a worker can insert the device into an electrode mounting hole formed in a cooling water tank, when the conical rubber sleeve 8 passes through the electrode mounting hole in the cooling water tank, the section gradually changed from top to bottom of the conical rubber sleeve 8 is gradually abutted against the electrode mounting hole, and a fully deformed sealing gap is generated, thereby having played waterproof and leak-proof effect, having saved the trouble of installation stagnant water bolt in polycrystalline silicon reduction furnace inside, very big convenient installation.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a heat-resisting type polycrystalline silicon reduction furnace insulating ceramic structure spare, its characterized in that includes ceramic overcoat (1) and electrode tank (9), electrode tank (9) have been seted up to ceramic overcoat (1) inside, and annular (2) have been seted up to ceramic overcoat (1) surface is intensive to annular (2) equidistant distribution, ceramic overcoat (1) surface is located electrode tank (9) one side and has been seted up gasket groove (7), and gasket groove (7) inside fixed bonding has toper rubber sleeve (8).

2. The insulating ceramic structural member of the heat-resistant polysilicon reduction furnace according to claim 1, wherein an outlet hole (10) is formed at one end of the ceramic outer sleeve (1), and a sealing sleeve (11) is adhered to the inner wall of the outlet hole (10).

3. The insulating ceramic structural member of the heat-resistant polycrystalline silicon reduction furnace according to claim 1, wherein an end cover (6) is sleeved at the other end of the ceramic outer sleeve (1) in a threaded manner, and a terminal abdicating hole is formed in the bottom surface of the end cover (6).

4. The insulating ceramic structural member of the heat-resistant polysilicon reduction furnace according to claim 1, wherein a mounting plate (3) is integrally connected to the outer wall of the ceramic outer sleeve (1), and bolt holes (4) are formed in the surface of the mounting plate (3).

5. The insulating ceramic structure of the heat-resistant polysilicon reduction furnace according to claim 4, wherein a sealing gasket (5) is adhered between the mounting plate (3) and the outer wall of the cooling water tank on the top surface of the mounting plate (3), and through holes are formed in the surface of the sealing gasket (5) corresponding to the bolt holes (4).

6. A heat resistant polysilicon reducing furnace insulating ceramic structural member as set forth in claim 1, wherein the outer diameter of the top surface of the tapered rubber bushing (8) is equal to the diameter of the electrode mounting hole, and the outer diameter of the bottom surface of the tapered rubber bushing (8) is larger than the diameter of the electrode mounting hole.

7. A heat resistant polycrystalline silicon reduction furnace insulating ceramic structural member according to claim 3, wherein the end cap (6) is made of the same material as the ceramic outer jacket (1).