CN215757182U

CN215757182U - Dust removal device for gasification furnace annular cavity

Info

Publication number: CN215757182U
Application number: CN202122063139.9U
Authority: CN
Inventors: 王广平; 姚磊; 李晓慧
Original assignee: Ningxia Baofeng Energy Group Co ltd
Current assignee: Ningxia Baofeng Energy Group Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-02-08
Anticipated expiration: 2031-08-30

Abstract

The application discloses a dust collector for gasifier ring chamber, including the stove body, the fire door both sides position department of stove body is provided with the end plate, all be provided with the mounting hole on every end plate, be connected with the installation pole in the mounting hole, the installation pole is connected with the bell, run through on the bell and install the coil pipe, the below of every end plate all is provided with dust collector, dust collector include with end plate fixed connection's last riser, the below fixedly connected with of going up the riser goes up the crown plate, the below fixedly connected with silk screen of going up the crown plate, the lower crown plate of below fixedly connected with of silk screen, riser under the below fixedly connected with of lower crown plate, the ring chamber fixed connection of lower riser and stove body, be provided with high temperature resistant cotton felt bed course along the circumference direction on the coil pipe. The device has solved among the prior art fine coal and has got into the gasifier ring chamber through the bell clearance very easily, causes the interior coal powder overstock of gasifier, causes erosive wear and corruption to gasifier coil pipe bottom, leads to the problem that there is the potential safety hazard in the production site.

Description

Dust removal device for gasification furnace annular cavity

Technical Field

The application relates to the field of gasification furnace equipment, in particular to a dust removal device for a gasification furnace ring cavity.

Background

The space fine coal gasification furnace is used as a combustion furnace, the temperature in the gasification furnace can reach about 1400 ℃, the pressure is 6.0Mpa, and due to the fact that a certain gap exists between the annular cavity of the gasification furnace and the installation position of the furnace cover of the gasification furnace, the fine coal in the gasification furnace can easily enter the annular cavity of the gasification furnace through the gap of the furnace cover in the operation process of the gasification furnace, the coal powder overstock in the gasification furnace is caused, scouring abrasion and corrosion are caused to the bottom of the coil pipe of the gasification furnace, the normal operation of the system is influenced, and potential safety hazards exist in the production field.

Therefore, the dust removal device for the gasification furnace annular cavity solves the problems.

SUMMERY OF THE UTILITY MODEL

The application provides a gasifier ring chamber dust collector has solved among the prior art fine coal and has got into the gasifier ring chamber very easily through the bell clearance, causes the interior buggy overstock of gasifier, causes to erode wearing and tearing and corruption gasifier coil pipe bottom, and influence system's normal operating leads to the problem that there is the potential safety hazard in the production site.

In order to solve the technical problem, the dust removal device for the gasification furnace annular cavity comprises a furnace body, end plates are arranged at the two sides of the furnace mouth of the furnace body, each end plate is provided with a mounting hole, the mounting hole is internally connected with a mounting rod which is connected with a furnace cover, the furnace cover is provided with a coil pipe in a penetrating way, the two sides of the coil pipe penetrate through the furnace cover and are provided with guide pipes, a dust removal device is arranged below each end plate, the dust removing device comprises an upper vertical plate fixedly connected with the end plate, an upper annular plate is fixedly connected below the upper vertical plate, a silk screen is fixedly connected below the upper ring plate, a lower ring plate is fixedly connected below the silk screen, the lower vertical plate is fixedly connected below the lower annular plate, the lower vertical plate is fixedly connected with the annular cavity of the furnace body, and a high-temperature-resistant cotton felt cushion layer is arranged on the coil pipe along the circumferential direction.

As a further scheme, the upper vertical plate extends for 3-8cm in the vertical direction.

As a further scheme, the thickness of the high temperature resistant cotton felt layer extends to the edge position of the end plate.

As a further scheme, the exterior of the high temperature resistant cotton felt cushion layer is fixedly installed through a stainless steel mesh belt.

As a further scheme, the upper vertical plate and the upper annular plate, the upper annular plate and the wire mesh, the wire mesh and the lower annular plate, and the lower annular plate and the lower vertical plate are all welded.

As a further proposal, the mesh size of the silk screen 16 is 1-2 mm.

Compared with the prior art, the dust collector for gasifier ring chamber that this application provided, including the stove body, the fire door both sides position department of stove body is provided with the end plate, all be provided with the mounting hole on every end plate, be connected with the installation pole in the mounting hole, the installation pole is connected with the bell, run through on the bell and install the coil pipe, the both sides of coil pipe are run through the bell and are provided with the pipe, the below of every end plate all is provided with dust collector, dust collector includes the last riser with end plate fixed connection, the lower fixedly connected with of going up the riser goes up the crown plate, the below fixedly connected with silk screen of going up the crown plate, the lower crown plate of below fixedly connected with of lower crown plate, the ring chamber fixed connection of lower riser and stove body, be provided with high temperature resistant cotton blanket layer along the circumference direction on the coil pipe.

And a dust removal device is arranged below the end plate in the annular cavity, and the pulverized coal is filtered by a wire mesh after falling into the annular cavity of the gasification furnace from the furnace cover, so that the pulverized coal is prevented from entering the annular cavity of the gasification furnace. The high-temperature resistant cotton felt cushion layer arranged on the coil pipe can play a role in plugging the pulverized coal, and potential safety hazards that the pulverized coal falls into the bottom of the coil pipe to cause scouring and corrosion are avoided.

Drawings

In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments are briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without making any inventive changes.

FIG. 1 is a schematic view of an installation of a dust removing apparatus according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a dust removing device according to an embodiment of the present invention.

In the figure: the furnace comprises a furnace body 1, an end plate 11, a mounting hole 12, a mounting rod 13, a furnace cover 2, a coil pipe 3, a guide pipe 31, an upper vertical plate 14, an upper annular plate 15, a silk screen 16, a lower annular plate 17, a lower vertical plate 18, a high-temperature-resistant cotton felt cushion layer 4 and a stainless steel mesh belt 5.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.

FIG. 1 is a schematic view of an installation of a dust removing apparatus according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a dust removing device according to an embodiment of the present invention. As shown in fig. 1-2, the furnace comprises a furnace body 1, end plates 11 are arranged at positions on two sides of a furnace mouth of the furnace body 1, each end plate 11 is provided with a mounting hole 12, a mounting rod 13 is connected in each mounting hole 12, each mounting rod 13 is connected with the furnace cover 2, a coil pipe 3 is installed on each furnace cover 2 in a penetrating manner, guide pipes 31 are arranged on two sides of each coil pipe 3 in penetrating manner through each furnace cover 2, a dust removal device is arranged below each end plate 11 and comprises an upper vertical plate 14 fixedly connected with the end plates 11, an upper annular plate 15 is fixedly connected with the lower side of the upper vertical plate 14, a silk screen 16 is fixedly connected with the lower side of the upper annular plate 15, a lower annular plate 17 is fixedly connected with the lower side of the silk screen 16, a lower vertical plate 18 is fixedly connected with the lower side of the lower annular plate 17, the lower vertical plate 18 is fixedly connected with an annular cavity of the furnace body 1, and a high temperature resistant cotton cushion layer 4 is arranged on each coil pipe 3 along the circumferential direction.

In this embodiment, the furnace body 1 is an aerospace pulverized coal gasification furnace, and mounting holes 12 are provided in end plates 11 disposed at positions on both sides of a furnace opening of the furnace body 1, and the mounting holes 12 are used for mounting rods 13. Wherein the mounting mode can be plug-in connection or bolt connection. The coil pipe 3 which is arranged on the furnace cover 2 in a penetrating way extends into the annular cavity of the furnace body 1. The ducts 31 provided through the lid 2 on both sides of the coil 3 also extend into the annular chamber of the furnace body 1. A dust removing device is arranged below each end plate 11, as shown in fig. 1, the dust removing device includes an upper vertical plate 14 fixedly connected with the end plate 11, and the upper vertical plate 14 is connected with the edge of the end plate 11. As a further proposal, the upper vertical plate 14 extends 3-8cm in the vertical direction. The extended upper riser 14 increases the stability of the installation. An upper ring plate 15 is fixedly connected below the upper vertical plate 14, a silk screen 16 is fixedly connected below the upper ring plate 15, a lower ring plate 17 is fixedly connected below the silk screen 16, a lower vertical plate 18 is fixedly connected below the lower ring plate 17, and the lower vertical plate 18 is fixedly connected with the annular cavity of the furnace body 1. As a further scheme, the upper vertical plate 14 and the upper vertical plate 15, the upper vertical plate 15 and the screen 16, the screen 16 and the lower vertical plate 17, and the lower vertical plate 17 and the lower vertical plate 18 are all welded and connected. The silk screen 16 in the dust removing device has simple structure, strong practicability and obvious effect of separating the coal powder. The screen 16 is a stainless steel refractory material. As a further proposal, the mesh size of the silk screen 16 is 1-2 mm.

In this embodiment, a high temperature resistant cotton felt layer 4 is arranged on the coil pipe 3 along the circumferential direction, the high temperature resistant cotton felt layer 4 is arranged in multiple layers, and as a further scheme, the arrangement thickness of the high temperature resistant cotton felt layer 4 extends to the edge position of the end plate 11. As shown in fig. 1, i.e., extending to a. Thus, the plugging and blocking effects on the pulverized coal to the maximum extent are guaranteed, and the pulverized coal is prevented from falling into the annular cavity. In order to facilitate installation, as a further scheme, the exterior of the high-temperature resistant cotton felt layer 4 is fixedly installed through a stainless steel mesh belt 5. When clearing the pulverized coal, the furnace cover 2 is detached to clear the deposited ash in the furnace body 1.

Compare in prior art, the gasifier ring chamber dust collector that this application provided, fine coal is filtered fine coal by the silk screen after falling into the gasifier ring chamber from the bell, prevents that fine coal from getting into the gasifier ring chamber. The high-temperature resistant cotton felt cushion layer arranged on the coil pipe can play a role in plugging the pulverized coal, and potential safety hazards that the pulverized coal falls into the bottom of the coil pipe to cause scouring and corrosion are avoided.

In the description of the application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the application. In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice in the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The above-described embodiments of the present application do not limit the scope of the present application.

Claims

1. A dust removal device for an annular cavity of a gasification furnace comprises a furnace body and is characterized in that end plates are arranged at two sides of a furnace opening of the furnace body, each end plate is provided with a mounting hole, the mounting hole is internally connected with a mounting rod which is connected with a furnace cover, the furnace cover is provided with a coil pipe in a penetrating way, the two sides of the coil pipe penetrate through the furnace cover and are provided with guide pipes, a dust removal device is arranged below each end plate, the dust removing device comprises an upper vertical plate fixedly connected with the end plate, an upper annular plate is fixedly connected below the upper vertical plate, a silk screen is fixedly connected below the upper ring plate, a lower ring plate is fixedly connected below the silk screen, the lower vertical plate is fixedly connected below the lower annular plate, the lower vertical plate is fixedly connected with the annular cavity of the furnace body, and a high-temperature-resistant cotton felt cushion layer is arranged on the coil pipe along the circumferential direction.

2. The dust removing device for the gasification furnace annular cavity according to claim 1, wherein the upper vertical plate extends for 3-8cm in the vertical direction.

3. The dust removing device for the gasification furnace annular cavity according to claim 1, wherein the high temperature resistant cotton felt layer is arranged to extend to the edge position of the end plate.

4. The dust removing device for the gasification furnace annular cavity according to claim 1, wherein the outside of the high temperature resistant cotton felt layer is fixedly installed through a stainless steel mesh belt.

5. The dust collector for the gasification furnace annular cavity according to claim 1, wherein the upper vertical plate and the upper annular plate, the upper annular plate and the wire mesh, the wire mesh and the lower annular plate, and the lower annular plate and the lower vertical plate are all connected by welding.

6. The dust removing device for the gasification furnace annular cavity according to claim 1, wherein the mesh size of the wire mesh (16) is 1-2 mm.