阅读说明：本技术 一种切换高温烟气的四通阀门 (Four-way valve for switching high-temperature flue gas ) 是由 张德 李鹏 于 2019-10-31 设计创作，主要内容包括：本发明公开了一种切换高温烟气的四通阀门,包括阀壳体,所述阀壳体的外侧为正方体结构,且内侧开设有圆筒形空腔,所述阀壳体的左右两侧分别连通有进气管和出气管,阀壳体的上下两侧分别连通有上通气管和下通气管,且进气管、出气管、上通气管和下通气管背离阀壳体的一端分别设置有法兰并分别配套设置有法兰垫片,所述阀壳体内开设有X形内腔并设置有壳体滑道,X形内腔的两端顶部分别设置有密封清焦口,所述壳体滑道内滑动连接有左阀板和右阀板。本发明适用性强,烟气切换走向流畅、快速,故障率低,制造和使用成本也较低,提高了生产效率。(The invention discloses a four-way valve for switching high-temperature flue gas, which comprises a valve shell, wherein the outer side of the valve shell is of a cube structure, the inner side of the valve shell is provided with a cylindrical cavity, the left side and the right side of the valve shell are respectively communicated with an air inlet pipe and an air outlet pipe, the upper side and the lower side of the valve shell are respectively communicated with an upper vent pipe and a lower vent pipe, one ends of the air inlet pipe, the air outlet pipe, the upper vent pipe and the lower vent pipe, which are far away from the valve shell, are respectively provided with a flange and are respectively matched with flange gaskets, an X-shaped inner cavity is formed in the valve shell and is provided with a shell slide way, the. The invention has the advantages of strong applicability, smooth and quick flue gas switching trend, low failure rate, lower manufacturing and using cost and improved production efficiency.)

1. A four-way valve for switching high-temperature flue gas comprises a valve shell (1) and is characterized in that the outer side of the valve shell (1) is of a cube structure, a cylindrical cavity is formed in the inner side of the valve shell, the left side and the right side of the valve shell (1) are respectively communicated with an air inlet pipe (2) and an air outlet pipe (3), the upper side and the lower side of the valve shell (1) are respectively communicated with an upper vent pipe (4) and a lower vent pipe (5), one ends of the air inlet pipe (2), the air outlet pipe (3), the upper vent pipe (4) and the lower vent pipe (5) departing from the valve shell (1) are respectively provided with a flange (6) and are respectively provided with a flange gasket (7) in a matched manner, an X-shaped inner cavity is formed in the valve shell (1) and is provided with a shell slide way (8), the tops of two ends of the X-shaped inner cavity, left valve plate (10) and right valve plate (11) mutually perpendicular set up, the bottom of left valve plate (10) and right valve plate (11) is fixedly connected with drive mechanism respectively, and drive mechanism includes high temperature resistant lead screw (12) and high temperature resistant motor (13), the both ends of high temperature resistant lead screw (12) are connected with the bottom transmission of high temperature resistant motor (13) and left valve plate (10) and right valve plate (11) respectively.

2. The four-way valve for switching high-temperature flue gas according to claim 1, wherein the casing slide way (8) is made of high-temperature-resistant metal and is fixed inside the valve casing (1) by high-temperature-resistant steel, and is integrally cast and molded by high-temperature-resistant material in the inner cavity of the valve casing (1).

3. The four-way valve for switching high-temperature flue gas according to claim 1, wherein the high-temperature resistant screw rod (12) is a high-temperature resistant and wear resistant screw rod and is provided with a screw rod sheath (14) in a matching way.

4. The four-way valve for switching high-temperature flue gas according to claim 1, wherein the high-temperature resistant motor (13) is provided with a motor base, the bottom of the motor base and the bottom of the valve housing (1) are respectively and fixedly connected with a bracket (16), and the bottom end of the bracket (16) is provided with a grounding bottom plate (17).

5. The four-way valve for switching high-temperature flue gas according to claim 1, wherein a hand wheel (15) for manual adjustment is arranged on one side of the high-temperature resistant screw rod (12).

Technical Field

The invention relates to the technical field of flue gas switching devices, in particular to a four-way valve for switching high-temperature flue gas.

Background

The four-way valve is a switching device for waste gas, smoke and other gases discharged in the industrial field, the field of four-way switching high-temperature smoke valves is blank at present, the existing high-temperature smoke switching valve can only realize the two-way switching, and the existing high-temperature four-way valve has research, development and design tasks.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a four-way valve for switching high-temperature flue gas.

In order to achieve the purpose, the invention adopts the following technical scheme:

a four-way valve for switching high-temperature flue gas comprises a valve shell, wherein the outer side of the valve shell is of a cube structure, the inner side of the valve shell is provided with a cylindrical cavity, the left side and the right side of the valve shell are respectively communicated with an air inlet pipe and an air outlet pipe, the upper side and the lower side of the valve shell are respectively communicated with an upper vent pipe and a lower vent pipe, one ends of the air inlet pipe, the air outlet pipe, the upper vent pipe and the lower vent pipe, which are far away from the valve shell, are respectively provided with a flange and are respectively provided with a flange gasket in a matching way, an X-shaped inner cavity is arranged in the valve shell and is provided with a shell slideway, the tops of the two ends of the X-shaped inner cavity are respectively provided with a sealed coke cleaning port, a left valve plate and a right valve plate are slidably, the two ends of the high-temperature-resistant screw rod are respectively in transmission connection with the high-temperature-resistant motor and the bottom ends of the left valve plate and the right valve plate, and the inner walls of the air outlet pipe and the upper vent pipe and the valve shell are integrally poured into a whole through a temperature-resistant material to be formed.

Preferably, the casing slide way is made of high-temperature-resistant metal and formed, the formed slide way is fixed inside the valve casing by high-temperature-resistant steel materials, and the slide way is integrally cast and formed by the high-temperature-resistant materials in the inner cavity of the valve casing.

Preferably, the high-temperature-resistant lead screw is a high-temperature-resistant and wear-resistant lead screw and is provided with a lead screw sheath in a matching manner.

Preferably, the high temperature resistant motor is provided with a motor base in a matching manner, the bottom of the motor base and the bottom of the valve shell are respectively and fixedly connected with a support, and the bottom end of the support is provided with a grounding bottom plate.

Preferably, a hand wheel for manual adjustment is arranged on one side of the high-temperature-resistant screw rod.

Compared with the prior art, the invention has the beneficial effects that:

the invention overcomes the defects of the prior art, has reasonable design structure, has better heat preservation and temperature resistance effects through special materials and special processing technology, ensures that the valve can normally operate under the severe working conditions of high temperature, dust and tar-containing smoke, has strong applicability, smooth and quick smoke switching trend, low failure rate and lower manufacturing and using cost, improves the production efficiency, simultaneously, the device is designed manually and automatically, can control the valve plate to realize the vertical movement of the valve plate through the hand wheel, and ensures that the device can normally work when a motor fails.

Drawings

FIG. 1 is a schematic sectional view of a four-way valve for switching high temperature flue gas in a state A according to the present invention;

FIG. 2 is a schematic sectional view of a state B of a four-way valve for switching high-temperature flue gas according to the present invention;

fig. 3 is a schematic structural diagram of a high-temperature resistant motor of a four-way valve for switching high-temperature flue gas according to the invention.

In the figure: the device comprises a valve shell 1, an air inlet pipe 2, an air outlet pipe 3, an upper vent pipe 4, a lower vent pipe 5, a flange 6, a flange gasket 7, a shell slide way 8, a sealed coke cleaning port 9, a left valve plate 10, a right valve plate 11, a high-temperature resistant screw rod 12, a high-temperature resistant motor 13, a screw rod sheath 14, a hand wheel 15, a support 16 and a grounding bottom plate 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.