CN218778762U

CN218778762U - Easy-to-maintain ventilation device connected with high-temperature purification furnace

Info

Publication number: CN218778762U
Application number: CN202223535515.0U
Authority: CN
Inventors: 冀春明; 王晓峰; 刘晓峰; 梁宗彪; 刘晓斌; 曹桂琳
Original assignee: Cetc Shanxi Branch Of New Energy Co
Current assignee: Cetc Shanxi Branch Of New Energy Co
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-03-31
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses an easy-to-maintain ventilating device connected with a high-temperature purifying furnace, belonging to the technical field of high-temperature purifying furnaces; the inner cavity wall of the furnace body is connected with a heat preservation felt; the inner cavity wall is provided with a plurality of ventilation holes; an air exhaust hole seat is arranged in the heat preservation felt; the air exhaust hole seat is communicated with the air vent; the air exhaust hole seat is connected with a lower graphite air exhaust pipe; the lower graphite exhaust pipe is detachably connected with an upper graphite exhaust pipe, and the upper graphite exhaust pipe is connected with the furnace body exhaust pipe through a connecting piece; the connecting piece comprises a graphite tube clamping ring and a welding ring; the welding ring is connected to the outer wall of the furnace body exhaust pipe; the upper graphite exhaust pipe is arranged on the graphite pipe clamping ring, the graphite pipe clamping ring is detachably connected with the welding ring, and the furnace body exhaust pipe is connected with a vacuum system pipeline; the device enables the ventilation pipeline part which is most easily influenced by dust to be convenient to disassemble and assemble and easy to clean, maintain and replace, avoids integral dismantling or replacing of the existing ventilation structure, and reduces the time of shutdown of equipment.

Description

Easy-to-maintain ventilation device connected with high-temperature purification furnace

Technical Field

The utility model belongs to the technical field of high temperature purification furnace, specifically be an easy to maintain's that is connected with high temperature purification furnace ventilation unit.

Background

The high-temperature purifying furnace is a device for purifying carbon-based materials such as graphite, graphite felt and the like. Because need reach certain vacuum in the purification process, the heat preservation felt or material etc. in the stove can produce a large amount of dust materials such as carbon fiber under vacuum system's the effect of bleeding, adsorb in the inner wall of aspiration line, and the vacuum dust still can enter the pump internal gear and wear and tear the gear, seriously reduces the life of dry pump, and the jam that causes over time will influence vacuum system's air exhaust speed. Therefore, after the vacuum pumping device and the vacuum device are filled with inert gas, a dust removing device is required to be equipped, and dust is collected in the dust containing chamber of the dust removing device.

However, even if a dust removing device is connected, frequent shut-down for cleaning and maintenance of the vent structure connected to the vacuum apparatus is required. The existing integral type in-furnace ventilation pipeline is of an integrated structure, is not easy to clean, is complex to disassemble and assemble, wastes time and labor, and seriously influences the use efficiency of equipment.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes prior art's is not enough, provides an easy to maintain's breather of being connected with high temperature purification stove to in dismouting and clean the maintenance to vent line.

In order to achieve the above purpose, the present invention is achieved by the following technical solutions.

An easy-to-maintain ventilating device connected with a high-temperature purifying furnace is characterized in that a heat-insulating felt is connected to the inner cavity wall of a furnace body of the high-temperature purifying furnace; the inner cavity wall of the furnace body is provided with a plurality of ventilation holes; an air exhaust hole seat is arranged in the heat preservation felt; the air exhaust hole seat is communicated with the air vent; the air exhaust hole seat is connected with a lower graphite exhaust pipe; the lower graphite exhaust pipe is detachably connected with an upper graphite exhaust pipe, and the upper graphite exhaust pipe is connected with the furnace body exhaust pipe through a connecting piece; the connecting piece comprises a graphite tube clamping ring and a welding ring; the welding ring is connected to the outer wall of the furnace body exhaust pipe; the upper graphite exhaust pipe is arranged on the graphite pipe clamping ring, and the graphite pipe clamping ring is detachably connected with the welding ring; the furnace body exhaust tube is connected with a vacuum system pipeline.

Furthermore, the graphite tube clamping ring is connected with the welding ring through bolts distributed at four equal intervals.

Furthermore, the furnace body and the furnace body exhaust pipe are both of water-cooling jacket structures, and the outer side of the furnace body exhaust pipe is connected with a vacuum system pipeline through a flange.

Furthermore, two exhaust hole seats are fixed on the heat preservation felt through carbon screws.

Furthermore, the air exhaust hole seat is an inclined step hole.

Furthermore, the lower graphite exhaust pipe is inserted into the upper graphite exhaust pipe.

The utility model discloses produced beneficial effect for prior art does:

the utility model discloses set up the bleed hole seat between furnace body inner chamber and furnace body exhaust tube, below graphite exhaust tube and top graphite exhaust tube make one section pipeline that is close to furnace body one side and easily stores up the dust change make things convenient for the dismouting to become a plurality of pipeline parts, make the ventilation line part that is influenced by the dust the easiest make things convenient for the dismouting and easy to clean maintenance and change, avoided the integral machine of tearing open of current air structure or trade, long and maintenance cost when having reduced the shut down of equipment, promoted the utilization ratio of equipment.

The utility model discloses be fixed with two hole seats of bleeding through the carbon screw rod on the heat preservation felt, the hole seat of bleeding is slant step hole, has reduced the radiation heat loss in the heat preservation felt when ventilating.

The utility model discloses simple structure, the convenience is improved current high temperature purification stove furnace body ventilation structure, simple to operate.

Drawings

FIG. 1 is a schematic view of the easy-to-maintain ventilation apparatus connected to a high-temperature purification furnace according to the present invention;

fig. 2 is a schematic structural diagram of the connecting member of the present invention;

in the figure, 1-furnace body, 2-heat preservation felt, 3-air exhaust hole seat, 4-lower graphite air exhaust pipe, 5-upper graphite air exhaust pipe, 6-furnace body air exhaust pipe, 7-welding ring, 8-graphite pipe clamping ring, 9-inner cavity wall, 10-ventilation hole and 11-vacuum system pipeline.

Detailed Description

In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve clearer and more obvious, combine embodiment and attached drawing, it is right to go on further detailed description the utility model discloses. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.

Referring to fig. 1, the present embodiment provides an easy-to-maintain ventilation device connected to a high-temperature purification furnace, which includes a furnace body 1, a heat preservation felt 2, an air exhaust hole seat 3, a lower graphite air exhaust pipe 4, an upper graphite air exhaust pipe 5, and a furnace body air exhaust pipe 6. The inner cavity wall 9 of the furnace body 1 of the high-temperature purification furnace is connected with a heat preservation felt 2; the heat preservation felt 2 is used for preserving the heat of the purified material in the furnace chamber; the inner cavity wall 9 of the furnace body 1 is provided with a plurality of ventilation holes 10; the ventilation holes 10 are used for supplying inert gas into the furnace chamber and also for vacuum pumping. Two air exhaust hole seats 3 are arranged in the heat preservation felt 2 at the upper part of the furnace chamber; specifically, two air exhaust hole seats 3 are fixed on the heat insulation felt 2 through carbon screws. The air exhaust hole seats 3 are oblique stepped holes, the lower parts of the two stepped holes face the outer sides of the heat preservation felt 2 respectively, and radiation heat loss in the heat preservation felt is reduced. The exhaust hole seat 3 is communicated with the ventilation hole 10, so that the cavity is vacuumized through the exhaust hole seat 3 and the ventilation hole 10.

The air exhaust hole seat 3 is connected with a lower graphite exhaust tube 4; the lower graphite exhaust pipe 4 is detachably connected with an upper graphite exhaust pipe 5, and specifically, the lower graphite exhaust pipe 4 is inserted into the upper graphite exhaust pipe 5 and then fixed through bolt connection. The upper graphite exhaust pipe 5 is connected with a furnace body exhaust pipe 6 through a connecting piece; as shown in fig. 2, the connecting piece comprises a graphite tube clamping ring 8 and a welding ring 7; the welding ring 7 is connected to the outer wall of the furnace body exhaust pipe 6; the graphite exhaust tube 5 is arranged on the graphite tube clamping ring 8, and the graphite tube clamping ring 8 and the welding ring 7 are detachably connected through bolts distributed at four equal intervals. The furnace body 1 and the furnace body exhaust tube 6 are both of water-cooling jacket structures, and the outer side of the furnace body exhaust tube 6 is connected with the vacuum system pipeline 11 through a flange.

Set up between furnace body inner chamber and furnace body exhaust tube 6 bleed-off hole seat 3, below graphite exhaust tube 4 and top graphite exhaust tube 5 make and be close to one section pipeline that furnace body one side easily store up the dust and change and make things convenient for the dismouting into a plurality of pipeline parts, make the ventilation line part that is influenced by the dust the most make things convenient for the dismouting and easy to clean maintenance and change, avoided the integral machine of tearing open of current ventilation structure or change, long and maintenance cost when having reduced the shut down of equipment, the utilization ratio of equipment has been promoted.

The working principle of the device is as follows:

when cleaning and maintaining the ventilation structure in the furnace, the bolt group connecting the graphite tube snap ring 8 and the welding ring 7 is disassembled, and the upper graphite exhaust tube 5 and the lower graphite exhaust tube 4 can be taken out; the carbon-carbon screw for fixing the air exhaust hole seat 3 is disassembled, and the air exhaust hole seat 3 arranged on the heat preservation felt 2 can be taken out. After the cleaning and maintenance are finished, an air exhaust hole seat 3, an upper graphite air exhaust pipe 5 and a lower graphite air exhaust pipe 4 are sequentially installed.

The utility model discloses simple structure, simple to operate to the interior ventilation structure dismouting in traditional high temperature purification stove loaded down with trivial details, wastes time and energy, equipment availability factor low scheduling problem has made corresponding improvement and solution.

The above description is for further details of the present invention with reference to specific preferred embodiments, and it should not be understood that the embodiments of the present invention are limited thereto, and it will be apparent to those skilled in the art that the present invention can be implemented in a plurality of simple deductions or substitutions without departing from the scope of the present invention, and all such alterations and substitutions should be considered as belonging to the present invention, which is defined by the appended claims.

Claims

1. An easy-to-maintain ventilation device connected with a high-temperature purification furnace is characterized in that a heat-insulating felt (2) is connected to the inner cavity wall (9) of a furnace body (1) of the high-temperature purification furnace; the inner cavity wall (9) of the furnace body (1) is provided with a plurality of ventilation holes (10); it is characterized in that an air exhaust hole seat (3) is arranged in the heat preservation felt (2); the air exhaust hole seat (3) is communicated with the air vent (10); the air exhaust hole seat (3) is connected with a graphite exhaust pipe (4) below; the lower graphite exhaust pipe (4) is detachably connected with an upper graphite exhaust pipe (5), and the upper graphite exhaust pipe (5) is connected with a furnace body exhaust pipe (6) through a connecting piece; the connecting piece comprises a graphite tube clamping ring (8) and a welding ring (7); the welding ring (7) is connected to the outer wall of the furnace body exhaust pipe (6); the upper graphite exhaust pipe (5) is arranged on the graphite pipe clamping ring (8), and the graphite pipe clamping ring (8) is detachably connected with the welding ring (7); the furnace body exhaust pipe (6) is connected with a vacuum system pipeline (11).

2. An easy-to-maintain ventilating device connected with a high-temperature purifying furnace as claimed in claim 1, characterized in that the graphite tube clamping ring (8) is connected with the welding ring (7) through bolts distributed at equal intervals.

3. The easy-to-maintain ventilating device connected with the high-temperature purifying furnace as claimed in claim 1, wherein the furnace body (1) and the furnace body exhaust pipe (6) are both of water-cooling jacket structure, and the outer side of the furnace body exhaust pipe (6) is connected with the vacuum system pipeline (11) through a flange.

4. The easy-to-maintain ventilating device connected with the high-temperature purifying furnace as claimed in claim 1, wherein the heat-insulating felt (2) is fixed with two air-extracting hole seats (3) through carbon-carbon screws.

5. An easy-to-maintain ventilating device connected with a high-temperature purifying furnace according to claim 4, wherein the air exhaust hole seat (3) is an inclined stepped hole.

6. An easy-to-maintain ventilating device connected with a high-temperature purifying furnace according to claim 1, wherein the lower graphite extraction pipe (4) is inserted into the upper graphite extraction pipe (5).