CN207961870U - A kind of cloth siren pipe with sealing device - Google Patents

Abstract

The utility model discloses an air flute pipe with a sealing device, which includes an air inlet pipe, and air inlet holes are symmetrically opened on both sides of the inlet pipe wall, and one end of a transition pipe is embedded in the air inlet hole, and the other end of the transition pipe passes through the The flange is connected with a flute pipe, and a sealing gasket is arranged between the flute pipe and the flange. The intake pipe is welded in the delivery tank, and there are air holes symmetrically opened on both sides of the intake pipe wall, the transition pipe is embedded and welded in the intake pipe, the transition pipe and the flange are welded together, and the transition pipe is connected with a flute pipe through the flange, A sealing gasket is installed between the flute tube and the flange. The structure of the utility model prevents the air flute pipe from sealing failure. The two sides of the air intake pipe are symmetrically installed through the flange independently. The sealing failure of the air flute pipe is prevented, and the normal operation of the air pipe pipe is guaranteed; and the installation of the utility model is more convenient.

Description

A cloth air pipe with a sealing device

technical field

The utility model belongs to the technical field of sealing of coal chemical equipment, in particular to an air flute pipe with a sealing device.

Background technique

In the quantitative conveying of dry pulverized coal gasification technology, the air flute device evenly distributes the high-pressure gas intermittently sent by the gas pipeline into the conveying tank, forming turbulent flow, loosening the powder, and realizing the smooth conveying of the powder by the carrier gas .

The structure of the traditional air flute pipe: the two pipe pipes clamp the intake pipe through bolts, the flange sealing surface is a convex surface, and the sealing gasket is a graphite gasket. In the traditional way of installing the flute pipe, after the inlet pipe is connected to the flange of the cone of the conveying tank, the branch pipe of the flute pipe is fixed on the cone of the conveying tank.

First of all, when installing the traditional flute pipe, it is required that the verticality tolerance between the flute branch pipe and the intake pipe should be ≤3mm, while the pressure vessel design and manufacturing standard allows a large tolerance for the perpendicularity between the intake pipe and the cone of the delivery tank during manufacture , The vertical tolerance of the inlet pipe of the delivery tank and the cone does not match, and the installation of the two flute pipe branches and the inlet pipe restricts each other, and there will be a gap between the sealing surface and the gasket, resulting in seal failure.

Furthermore, intermittent delivery of high-pressure gas will cause pulsating vibrations of the flute pipe branch. The connecting bolts have a long suspension section and a large force torque, which is prone to torque deformation, loosening or even falling off, which will also lead to seal failure. The high-pressure gas enters the tank at the place where the seal fails, and cannot be transported to the air flute pipe to fluidize the material. The material bridges and blocks the pipeline, and the device is forced to stop production.

Utility model content

The purpose of the utility model is to provide a cloth flute pipe with a sealing device, which can effectively play a sealing role, and has a simple structure and is easy to install.

The technical scheme adopted by the utility model is: a cloth flute pipe with a sealing device, including an air inlet pipe, and air inlet holes are symmetrically opened on both sides of the inlet pipe wall, and one end of a transition pipe is embedded in the air inlet hole, and the transition pipe The other end of the pipe is connected with a flute through a flange, and a sealing gasket is arranged between the flute and the flange.

The utility model is also characterized in that,

The end face of the end of the transition pipe embedded in the air intake hole is an inclined plane.

The sealing gasket is a metal gasket.

The gasket is embedded in the flange.

The transition pipe is welded to the flange.

The flange adopts a flat neck flange.

The beneficial effects of the utility model are: the utility model prevents the seal failure structure of the air flute pipe, the air intake pipe is welded in the conveying tank body, the air intake pipe wall is symmetrically opened on both sides of the air intake pipe, and the transition pipe is embedded and welded in the air intake pipe , the transition pipe and the flange are welded together, and the transition pipe is connected with the flute through the flange, and a sealing gasket is installed between the flute and the flange. The structure of the utility model prevents the air flute pipe from sealing failure. The two sides of the air intake pipe are symmetrically installed through the flange independently. The sealing failure of the air flute pipe is prevented, and the normal operation of the air pipe pipe is guaranteed; and the installation of the utility model is more convenient.

Description of drawings

Fig. 1 is a schematic structural view of a cloth pipe pipe with a sealing device of the present invention.

In the figure, 1. air intake pipe, 2. air intake hole, 3. transition pipe, 4. flange, 5. flute pipe, 6. sealing gasket.

Detailed ways

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

The utility model provides an air flute pipe with a sealing device, as shown in Figure 1, comprising an air inlet pipe 1, and air inlet holes 2 are symmetrically opened on both sides of the inlet pipe wall, and a transition pipe is embedded in the air inlet hole 2 One end of the transition pipe 3 and the other end of the transition pipe 3 are connected to the flute pipe 5 through the flange 4, and a sealing gasket 6 is arranged between the flute pipe 5 and the flange 4.

The end face of the transition pipe 3 embedded in the air inlet 2 is an inclined plane; the transition pipe 3 is welded in the air inlet 2 . When manufacturing the transition pipe 3, the transition pipe 3 is welded in the air intake hole 2 of the air intake pipe 1, the air intake pipe 1 is welded with the delivery tank, and the transition pipe 3 and the air intake pipe 1 are integrated to prevent the transition pipe after welding. 3. When an error occurs, the slope angle of the transition pipe 3 is adjusted accordingly according to the manufacturing shape and position error of the delivery tank.

The sealing gasket 6 is a metal gasket, which has a higher pressure and erosion resistance and a longer service life.

The sealing gasket 6 is embedded in the flange 4; compared with the traditional structure, the traditional sealing gasket adopts flat sealing, and the sealing gasket 6 adopted by the utility model will not be displaced after installation.

The transition pipe 3 is welded to the flange 4 . Flange 4 adopts a neck flat flange. Compared with the traditional structure, the suspended length of the bolts of the flange 4 is shortened, preventing torque deformation, loosening or even falling off of the bolts in the traditional structure.

Through the above method, a kind of air flute pipe with a sealing device of the utility model, the air inlet pipe 1 is welded in the conveying tank body, the air inlet pipe 1 is symmetrically opened on both sides of the pipe wall, and the transition pipe 3 is embedded and welded in the In the air inlet 2, the transition pipe 3 and the flange 4 are welded together, and the transition pipe 3 is connected with a flute pipe 5 through the flange 4, and a sealing gasket 6 is installed between the flute pipe 5 and the flange 4. The structure of the utility model prevents the seal failure of the air flute pipe. Both sides of the air inlet pipe 1 are symmetrically installed through the flange 4 and the flute pipe 5 is independently installed. mutual restriction; effectively prevent the sealing failure of the air flute tube, and ensure the normal operation of the air flute tube; and the utility model is more convenient to install.

Claims (7)

1. a kind of air flute pipe that has sealing device, is characterized in that, comprises air inlet pipe (1), and described air inlet pipe (1) tube wall both sides symmetrically has air inlet hole (2), and described air inlet pipe One end of a transition pipe (3) is embedded in the hole (2), and the other end of the transition pipe (3) is connected with a flute pipe (5) through a flange (4), and the flute pipe (5) is connected to the method Sealing gaskets (6) are provided between the flanges (4). 2. The air pipe with a sealing device according to claim 1, characterized in that, the end face of the transition pipe (3) embedded in the end of the air inlet (2) is an inclined plane. 3. A kind of air flute pipe with sealing device as claimed in claim 1, characterized in that, the transition pipe (3) is welded in the air inlet hole (2). 4. A kind of air flute tube with sealing device as claimed in claim 1, characterized in that, the sealing gasket (6) is a metal gasket. 5. The air flute pipe with a sealing device according to claim 1, characterized in that, the sealing gasket (6) is embedded in the flange (4). 6. The air flute pipe with a sealing device according to claim 1, characterized in that, the transition pipe (3) is welded to the flange (4). 7. The air flute pipe with a sealing device according to claim 1, 5 or 6, characterized in that the flange (4) is a flat flange with a neck.