CN217559025U

CN217559025U - High-temperature-resistant vacuum sealing valve

Info

Publication number: CN217559025U
Application number: CN202221637447.6U
Authority: CN
Inventors: 贺喜兵; 苏建彪; 郭利兵
Original assignee: Shaanxi Fuzhou Guanyu Special Equipment Manufacturing Co ltd
Current assignee: Shaanxi Fuzhou Guanyu Special Equipment Manufacturing Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-10-11
Anticipated expiration: 2032-06-29

Abstract

The utility model discloses in magnesium metal smelting auxiliary device technical field, concretely relates to prevent high temperature vacuum seal valve, include: the device comprises a valve body A, a sealing assembly and a heat insulation assembly, wherein a connecting port A and a connecting port B are arranged on the valve body A, the connecting port A and the connecting port B are respectively positioned on two adjacent end faces, the valve body A is connected with a vacuum pipeline of the reduction furnace through the connecting port A, and the valve body A is connected with a dust treatment device through the connecting port B; the seal assembly includes: promote cylinder, closing plate, sealed the pad, the piston rod that promotes the cylinder stretches into in the valve body A and the orientation connector A, the closing plate set up in promote cylinder's tailpiece of the piston rod portion, the closing plate orientation be provided with sealed the pad on connector A's the terminal surface, thermal-insulated subassembly set up in seal assembly with between the connector A, connector A and connector B are located same one side of thermal-insulated subassembly.

Description

High-temperature-resistant vacuum sealing valve

Technical Field

The utility model belongs to the technical field of metal magnesium smelting auxiliary device technique and specifically relates to a prevent high temperature vacuum seal valve.

Background

The Pidgeon process is a current main method for smelting magnesium, in the magnesium smelting process, dust and scattered smoke in a reduction workshop are mainly generated in the discharging and charging process of a reduction furnace, the scattered smoke is mainly smoke generated by burning potassium, sodium and magnesium when a large cover is opened and smoke generated by splashing a fire extinguishing solvent, the dust is mainly generated in the slag drawing and charging process, the smoke and the dust are all concentrated at the opening of a reduction tank, the operation environment is severe, the physical health of workers is influenced, but due to the fact that a vacuum pipeline is fully distributed in front of the reduction furnace and an upper reduction tank and a lower reduction tank are arranged in a staggered mode, the available space in front of the furnace is small in size, and the arrangement of a dust removal system is difficult. In order to solve the above problems, my company has proposed the application numbers as: 2021211868386 with the name: the utility model provides a problem that dust and scattered cigarette collection tube of magnesium metal smelting reduction stokehold dust and scattered cigarette collection device, this patent have solved the dust and have collected the pipe arrangement, but the technical scheme of this application, through in-service use, discover following weak point: 1. the air cylinder is arranged in the plugging shell in the switching valve, and the service life of the air cylinder is shortened due to the fact that the temperature in the switching valve is increased and the working temperature of the air cylinder in the plugging shell is high in the dust and smoke emission process; 2. because the valve is used for passing dust and diffusing smoke, the dust is easily accumulated in the valve after long-term use, and the function is influenced; 3. the switching valve structure cost in the application is higher.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes prior art exists not enough, provides a prevent high temperature vacuum seal valve.

In order to solve the technical problem, the utility model discloses a technical scheme be:

a high temperature resistant vacuum sealing valve comprising: the device comprises a valve body A, a sealing assembly and a heat insulation assembly, wherein a connecting port A and a connecting port B are arranged on the valve body A, the connecting port A and the connecting port B are respectively positioned on two adjacent end faces, the valve body A is connected with a vacuum pipeline of the reduction furnace through the connecting port A, and the valve body A is connected with a dust treatment device through the connecting port B;

the seal assembly includes: promote cylinder, closing plate, sealed the pad, promote the cylinder and be located valve body A deviates from one side of connector A, promote the front end housing of cylinder inlay establish with on valve body A's the outer wall, promote the piston rod of cylinder stretch into in the valve body A and the orientation connector A, the closing plate set up in promote the tailpiece of the piston rod portion of cylinder, the closing plate orientation be provided with sealed the pad on connector A's the terminal surface, closing plate, sealed pad all with connector A cooperatees, thermal-insulated subassembly set up in seal assembly with between the connector A, connector A and connector B are located same one side of thermal-insulated subassembly.

Further, the thermal-insulated subassembly is the push-pull valve, the push-pull valve includes: valve body B, picture peg, actuating mechanism, the through-hole has been seted up on the valve body B, the picture peg slide set up in inside the valve body B, the picture peg has the closed condition of shutoff through-hole, also has the open mode of dodging the open pore, the actuating mechanism drive the picture peg motion, the electric gate valve or the pneumatic gate valve of the suitable size of selection of gate valve applicability.

Further, valve body B run through set up in the valve body A, the position of through-hole with connector A's position aligns, just the size of through-hole is greater than the sealed size of closing plate, sealed pad for when needs seal connector A, the through-hole is opened, and the piston rod of push cylinder drives the closing plate and passes the through-hole, seals connector A, and when removing sealedly, when passing through scattered cigarette among the valve body A, push cylinder's piston rod drives the closing plate and withdraws, and the through-hole seals, can effectively prevent that scattered cigarette of high temperature from directly dashing towards sealed pad, causes sealed pad ageing sealed effect that influences.

Furthermore, the driving mechanism is located outside the valve body A, and the driving mechanism of the gate valve such as a motor and an air cylinder is arranged outside the valve body A, so that the working environment is improved, and the service life is prolonged.

Further, the outer wall of one side that valve body A inlayed and is equipped with the push cylinder is for dismantling the setting, flange joint between this side outer wall and the valve body A major structure, when needing to change, maintain push cylinder, seal valve, sealed pad, can pull down this side outer wall, changes, maintains above-mentioned part.

Furthermore, a cleaning port is further formed in the side end of the valve body A, a sealing cover capable of being opened and closed is arranged at the cleaning port, the cleaning port and the connecting port A are located on the same side of the heat insulation assembly, the cleaning port can be opened when the vacuum sealing valve is shut down, cleaning work on the interior of the valve body A and the connecting port A is conducted, sealing effect is guaranteed, service life is prolonged, meanwhile, an aged sealing gasket can be replaced through the cleaning port, and therefore the high-temperature-resistant vacuum sealing valve is convenient for workers to maintain.

Furthermore, the sealing gasket is of a circular truncated cone-shaped structure, and the sealing effect is improved.

The utility model has a sealing state and a non-sealing state, when in the sealing state, the through hole of the gate valve is opened, the pushing cylinder pushes the sealing plate and the sealing gasket to block the connecting port A, and at the moment, the dust treatment device is isolated from the vacuum pipeline of the reduction furnace; when being in non-sealing state, the through-hole of push-pull valve seals, and promotion cylinder drives closing plate, sealed the pad and contracts and contract, and connector A does not seal, and dust treatment device communicates with the vacuum pipeline of reducing furnace this moment, and the vacuum pipeline of reducing furnace passes through is passed through to loose cigarette the utility model discloses enter into among the dust treatment device.

Compared with the prior art, the utility model following beneficial effect has.

1. The utility model discloses select thermal-insulated subassembly push-pull valve for use to insulate against heat the effect, when the cigarette that looses passes through valve body A, to sealed the pad thermal-insulated protection, improve sealed life of filling up, the actuating mechanism of push-pull valve is located valve body A outside simultaneously, and operational environment is suitable, compares original technique, and life is longer.

2. The utility model discloses be provided with clean mouthful, when shutting down, can open clean mouthful, go on to the inside of valve body A, connector A's cleaning work, guarantee sealed effect, life-span can change ageing sealed pad through clean mouthful simultaneously, makes things convenient for the staff to maintain originally and prevents high temperature vacuum seal valve.

3. The utility model discloses well thermal-insulated subassembly directly adopts the push-pull valve, and push-pull valve technical maturity can directly purchase the suitable finished product push-pull valve of specification, compares the structure in the original technique, and the cost is lower, and economic benefits is better.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of the sealing state of the present invention.

Fig. 2 is a schematic structural view of the non-sealing state of the present invention.

Fig. 3 is a schematic structural diagram of the sealing state in embodiment 2 of the present invention.

Fig. 4 is a schematic structural view of embodiment 2 of the present invention in a non-sealed state.

In the figure: the device comprises a valve body A1, a connector A2, a connector B3, a pushing cylinder 4, a sealing plate 5, a sealing gasket 6, a gate valve 7, a valve body B8, a gate plate 9, a driving mechanism 10, a through hole 11, a cleaning opening 12 and a sealing cover 13.

Detailed Description

The following description is further provided in connection with specific embodiments.

Example 1

As shown in fig. 1 and 2, a high temperature resistant vacuum sealing valve comprises: the device comprises a valve body A1, a sealing assembly and a heat insulation assembly, wherein a connecting port A2 and a connecting port B3 are arranged on the valve body A1, the valve body A1 is of a cuboid structure, the connecting ports A2 and the connecting ports B3 are respectively positioned on two adjacent end faces, the valve body A1 is connected with a vacuum pipeline of a reduction furnace through the connecting port A2, and the valve body A1 is connected with a dust treatment device through the connecting port B3;

the seal assembly includes: promote cylinder 4, closing plate 5, sealed 6 of filling up, promote cylinder 4 is located valve body A1 deviates from one side of connector A2, the front end housing of promoting cylinder 4 inlays to be located on the outer wall of valve body A1, the piston rod of promoting cylinder 4 stretches into in the valve body A1 and moves towards connector A2, closing plate 5 set up in promote cylinder 4's tailpiece of the piston rod portion, closing plate 5 moves towards be provided with sealed 6 on connector A2's the terminal surface, sealed 6 round platform column structure that fills up, closing plate 5, sealed 6 all with connector A2 cooperatees, thermal-insulated subassembly set up in sealing component with between the connector A2, connector A2 and connector B3 are located same one side of thermal-insulated subassembly.

The thermal-insulated subassembly is push-pull valve 7, push-pull valve 7 includes: valve body B8, picture peg 9, actuating mechanism 10, through-hole 11 has been seted up on the valve body B8, picture peg 9 slide set up in inside valve body B8, picture peg 9 has the closed condition of shutoff through-hole 11, also has the open mode of dodging open-hole 11, actuating mechanism 10 drive picture peg 9 motion, actuating mechanism 10 is located valve body A1's outside, like figure 1, figure 2, picture peg valve 7 is pneumatic picture peg valve, and actuating mechanism 10 is the cylinder.

The valve body B8 is arranged in the valve body A1 in a penetrating mode, the position of the through hole 11 is aligned with the position of the connecting port A2, and the size of the through hole 11 is larger than that of the sealing plate 5 and the sealing gasket 6.

The outer wall of one side that valve body A1 inlayed and is equipped with push cylinder 4 is for dismantling the setting, flange joint between this side outer wall and the valve body A1 major structure.

Example 2

As shown in fig. 3 and 4, a high temperature resistant vacuum sealing valve includes: the device comprises a valve body A1, a sealing assembly and a heat insulation assembly, wherein a connecting port A2 and a connecting port B3 are arranged on the valve body A1, the valve body A1 is of a cuboid structure, the connecting ports A2 and the connecting ports B3 are respectively positioned on two adjacent end faces, the valve body A1 is connected with a vacuum pipeline of a reduction furnace through the connecting port A2, and the valve body A1 is connected with a dust treatment device through the connecting port B3;

The thermal-insulated subassembly is push-pull valve 7, push-pull valve 7 includes: valve body B8, picture peg 9, actuating mechanism 10, through-hole 11 has been seted up on the valve body B8, picture peg 9 slide set up in inside the valve body B8, picture peg 9 has the closed condition of shutoff through-hole 11, also has the open mode of dodging open-hole 11, the actuating mechanism 10 drive the motion of picture peg 9, actuating mechanism 10 is located valve body A1's outside, like figure 1, figure 2, the push-pull valve 7 is pneumatic push-pull valve, and actuating mechanism 10 is the cylinder.

The side end of the valve body A1 is further provided with a cleaning opening 12, a closing cover 13 which can be opened and closed is arranged at the cleaning opening 12, and the cleaning opening 12 and the connecting opening A2 are located on the same side of the heat insulation assembly.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. It will be apparent to those skilled in the art that modifications and variations can be made in the above-described embodiments without departing from the spirit or scope of the invention. Accordingly, it will be appreciated that those skilled in the art, upon attaining an understanding of the foregoing may readily produce alterations to, variations of, and equivalents to these embodiments without departing from the spirit and scope of the present invention as defined by the appended claims.

Claims

1. A high temperature resistant vacuum seal valve comprising: the device comprises a valve body A (1), a sealing assembly and a heat insulation assembly, wherein a connecting port A (2) and a connecting port B (3) are arranged on the valve body A (1), the connecting ports A (2) and the connecting ports B (3) are respectively positioned on two adjacent end faces, the valve body A (1) is connected with a vacuum pipeline of a reduction furnace through the connecting ports A (2), and the valve body A (1) is connected with a dust treatment device through the connecting ports B (3);

the seal assembly includes: promote cylinder (4), closing plate (5), sealed pad (6), promote cylinder (4) and be located valve body A (1) deviates from one side of connector A (2), the front end housing of promoting cylinder (4) inlays to be located on the outer wall of valve body A (1), the piston rod of promoting cylinder (4) stretches into in valve body A (1) and moves towards connector A (2), closing plate (5) set up in the tailpiece of the piston rod portion of promoting cylinder (4), closing plate (5) orientation be provided with sealed pad (6) on the terminal surface of connector A (2), closing plate (5), sealed pad (6) all with connector A (2) cooperate, thermal-insulated subassembly set up in sealing component with between connector A (2), connector A (2) and connector B (3) are located same one side of thermal-insulated subassembly.

2. A high temperature resistant vacuum sealing valve according to claim 1, characterized in that said thermal insulation assembly is a gate valve (7), said gate valve (7) comprising: valve body B (8), picture peg (9), actuating mechanism (10), through-hole (11) have been seted up on valve body B (8), picture peg (9) slide set up in inside valve body B (8), picture peg (9) have the closed condition of shutoff through-hole (11), also have the open mode of dodging out through-hole (11), actuating mechanism (10) drive picture peg (9) motion.

3. The high temperature resistant vacuum sealing valve according to claim 2, characterized in that said valve body B (8) is penetratingly arranged in said valve body a (1), the position of said through hole (11) is aligned with the position of said connection port a (2), and the size of said through hole (11) is larger than the size of said sealing plate (5), gasket (6).

4. A high temperature prevention vacuum sealing valve according to claim 3, characterized in that said actuating mechanism (10) is located outside said valve body a (1).

5. The high temperature resistant vacuum sealing valve according to claim 4, characterized in that the side of the valve body A (1) embedded with the pushing cylinder (4) is detachably attached, and the side is flange-connected with the main structure of the valve body A (1).

6. The high temperature resistant vacuum sealing valve according to claim 1, characterized in that said sealing gasket (6) is of a truncated cone-like structure.

7. The high-temperature-resistant vacuum sealing valve according to claim 4, characterized in that a cleaning port (12) is further opened at the side end of the valve body A (1), an openable and closable closing cover (13) is disposed at the cleaning port (12), and the cleaning port (12) and the connection port A (2) are located on the same side of the heat insulation assembly.