CN217977416U

CN217977416U - Broken coal pressure gasification furnace valve head with additional strengthening

Info

Publication number: CN217977416U
Application number: CN202221378289.7U
Authority: CN
Inventors: 李校辉
Original assignee: Hebei Xiaohua Machinery Accessories Co ltd
Current assignee: Hebei Xiaohua Machinery Accessories Co ltd
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-12-06
Anticipated expiration: 2032-06-06

Abstract

The utility model discloses a garrulous coal pressurized gasifier valve head with additional strengthening, including the valve rod with install the valve head body in the valve rod bottom, be provided with the protection casing subassembly between valve rod and the valve head body, the protection casing subassembly includes the upper shield body and the lower cover body, the top cooperation valve rod of the upper shield body is provided with the installation cover, detachable is provided with the clamp plate on the installation cover, it is provided with the sealing washer that realizes sealed laminating with the valve rod to compress tightly between clamp plate and the installation cover, the bottom of the upper shield body and the top of the lower cover body are provided with respectively and strengthen the edge down, go up strengthen along and strengthen down to be connected with detachable between the edge. The utility model discloses a set up respectively on the upper shield body and the lower cover body and strengthen along with strengthening down, formed the strengthening rib one in the middle part of protection casing subassembly in other words, can play great additional strengthening to whole protection casing subassembly, avoid it to take place deformation in the course of the work.

Description

Broken coal pressure gasification furnace valve head with additional strengthening

Technical Field

The utility model relates to an ash lock valve technical field especially relates to a broken coal pressure gasification stove valve head with additional strengthening.

Background

The gasification technology is the core of the modern coal chemical technology, the crushed coal pressure gasification technology is mature and reliable in a plurality of coal gasification technologies, and is the most widely used coal gasification technology at present, wherein an ash lock is an important component of the crushed coal pressure gasification furnace and is used for intermittently discharging ash slag in the gasification furnace out of the gasification furnace, for the ash lock, an ash lock valve head is a component used for sealing in cooperation with an ash lock valve seat, the company discloses an invention patent specification with the publication number of CN 651043795B, and the ash lock self-adjusting lower valve head of the crushed coal pressure gasification furnace, wherein an ash blocking cover is arranged between the valve head and a valve rod and is used for protecting the connection part of the valve head and the valve rod, so that the later maintenance is convenient, but in the working process, because the internal environment of the crushed coal pressure gasification furnace is severe, the ash blocking cover is frequently impacted, and the ash blocking cover is of a hollow structure made of iron sheet, the ash blocking cover is easy to deform in the working process, the normal protection effect is influenced, and the existing ash blocking cover is required to be sleeved along the axial direction of the valve rod when being installed, the ash blocking cover is easy to fall off under the sealing effect of the ash blocking cover, and the sealing effect of the ash blocking cover is also caused by the friction between the valve rod and the valve rod is inconvenient to be easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to avoid the weak point of prior art, provide a broken coal pressure gasification stove valve head with additional strengthening to effectively solve the weak point that exists among the prior art.

In order to achieve the above purpose, the utility model adopts the technical proposal that: the utility model provides a crushed coal pressurized gasifier valve head with additional strengthening, includes the valve rod and installs the valve head body in the valve rod bottom, is provided with the protection casing subassembly between valve rod and the valve head body, the protection casing subassembly includes the upper shield body and the lower cover body, the top cooperation valve rod of the upper shield body is provided with the installation cover, and detachable is provided with the clamp plate on the installation cover, compresses tightly between clamp plate and the installation cover to be provided with and realizes the sealing washer of sealed laminating with the valve rod, the bottom of the upper shield body and the top of the lower cover body are provided with respectively to strengthen along with strengthening down, go up strengthen along with strengthen down strengthen along with strengthen between the edge detachable be connected, the bottom and the valve head body detachable of the lower cover body are connected.

Further, the inboard cooperation sealing washer in bottom of clamp plate is provided with annular mounting groove.

Further, the axial dimension of the annular mounting groove is smaller than the thickness of the sealing ring.

Further, the top of installation cover is provided with the bearing along, and the bearing is connected through first bolt assembly along with the clamp plate.

Further, the upper reinforcing edge and the lower reinforcing edge are both annular structures extending horizontally towards the direction close to the valve rod.

Further, the upper reinforcing edge and the lower reinforcing edge are connected through a second bolt assembly.

Further, the valve head body is provided with a connecting seat, the connecting seat is provided with a slot for inserting the bottom end of the lower cover body, and the connecting seat is connected with the lower cover body through a bolt.

Further, the connecting seat is connected with the valve head body through a third bolt assembly.

Further, the bottom cooperation slot of the lower cover body is provided with inserts along, inserts along the inboard that is located the lower cover body and insert along being connected with the lower cover body through the level along, and the level sets up along the laminating the top of connecting seat.

The above technical scheme of the utility model following beneficial effect has: the utility model realizes the compression and fixation of the sealing ring by adopting the matching mode of the pressing plate and the mounting sleeve, and can increase the size of the fixing surface of the sealing ring by increasing the radial size of the sealing ring, thereby ensuring that the sealing ring is not easy to fall off under the action of the friction force of the valve rod in the mounting process, reducing the assembly difficulty of the protective cover component and improving the working efficiency; the utility model discloses a set up respectively on the upper shield body and the lower cover body and strengthen along with strengthening down, be equivalent to formed one strengthening rib at the middle part of protection casing subassembly, can play great additional strengthening to whole protection casing subassembly, avoid it to take place deformation in the course of the work, simultaneously through last strengthen along with strengthen down along realizing that the upper shield body is connected with dismantling of the lower cover body, compare in welded fastening, not only avoided the deformation that material local heating probably arouses in the welding process, and make the preparation technology more environmental protection, the emission of pollutant has been reduced.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a partial enlarged view of the portion B in FIG. 1;

fig. 4 is a cross-sectional view of an embodiment of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 4 at C;

FIG. 6 is an enlarged view of a portion of FIG. 4 at D;

FIG. 7 is an enlarged view of a portion of FIG. 4 at E;

fig. 8 is a schematic structural view of a valve head body according to an embodiment of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, rather than to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

As shown in fig. 1-8, the valve head of the crushed coal pressure gasification furnace with the reinforcing structure according to this embodiment includes a valve rod 1 and a valve head body 2 installed at the bottom end of the valve rod 1, a protective cover assembly is provided between the valve rod 1 and the valve head body 2, the protective cover assembly includes an upper cover body 3 and a lower cover body 4, the upper cover body 3 and the lower cover body 4 are both of a revolving body structure, the top of the upper cover body 3 is matched with the valve rod 1 and provided with an installation sleeve 301, an annular gap is provided between the installation sleeve 301 and the valve rod 1 and is about 2mm, a pressing plate 302 is detachably provided on the installation sleeve 301, a sealing ring 303 which is hermetically attached to the valve rod 1 is compressed and provided between the pressing plate 302 and the installation sleeve 301, the pressing and fixing of the sealing ring 303 are realized by adopting a manner of matching the pressing plate 302 and the installation sleeve 301, the radial size of the sealing ring 303 can be increased, the size of the fixing surface of the sealing ring 303 is increased, and further the valve ring 303 is subjected to the friction force of the valve rod 1 in the installation process, and is not easy to fall off, the assembly difficulty is reduced, and the work efficiency is improved.

The bottom of the upper cover body 3 and the top of the lower cover body 4 are provided with respectively and strengthen along 304 and strengthen along 401 down, go up strengthen along 304 and strengthen down along 401 between detachable connection, the bottom and the valve head body 2 detachable connection of the lower cover body 4, through strengthening along 304 and strengthen along 401 down on setting up respectively on the upper cover body 3 and the lower cover body 4, be equivalent to formed a strengthening rib at the middle part of protection casing subassembly, can play great reinforcing effect to whole protection casing subassembly, avoid it to take place deformation in the course of the work, realize along 401 with strengthening down along 304 and being connected with the dismantlement of the upper cover body 3 with the lower cover body 4 through last strengthening simultaneously, compare in welded fastening, not only avoided the deformation that material part is heated and probably arouses among the welding process, and make the preparation technology more environmental protection, the emission of pollutant has been reduced.

As shown in fig. 5, an annular mounting groove 3021 is formed on the inner side of the bottom of the pressure plate 302 in cooperation with the sealing ring 303, and preferably, the axial dimension of the annular mounting groove 3021 is smaller than the thickness of the sealing ring 303, so that after the pressure plate 302 and the mounting sleeve 301 are locked and fixed, the sealing ring 303 is in a compressed state, and the mounting reliability of the sealing ring 303 is further greatly improved.

The top of the mounting sleeve 301 is provided with a holding rim 305, and the holding rim 305 is connected with the pressure plate 302 through the first bolt assembly 5.

Go up to strengthen along 304 with strengthen down along 401 all to carry out the loop configuration that the level extends towards the direction that is close to valve rod 1, this structure can play the effect of strengthening to the circumference of whole protection casing subassembly, is convenient for carry on simultaneously that the upper shield body 3 is connected with the lower shield body 4, goes up to strengthen along 304 with strengthen down to be connected through second bolt assembly 6 along 401.

Be provided with connecting seat 7 on the valve head body 2, be provided with the bottom male slot 701 that can supply the lower cover body 4 on the connecting seat 7, connecting seat 7 is connected with the lower cover body 4 through bolt 8, wherein the outside cooperation bolt 8 of connecting seat 7 is provided with the via hole, the inboard cooperation bolt 8 of connecting seat 7 is provided with the screw hole, in order to adapt to manufacturing error and assembly error, can be for following the slotted hole that vertical direction set up with bolt 8 matched with on the lower cover body 4.

Connecting seat 7 is connected with valve head body 2 through third bolt assembly 9, and connecting seat 7 is the loop configuration, and slot 701 also is the loop configuration for can form the sealed structure of annular between connecting seat 7 and the lower cover body 4.

The bottom cooperation slot 701 of the lower cover body 4 is provided with inserts along 402, inserts along 402 and is located the inboard of the lower cover body 4 and insert along 402 and be connected with the lower cover body 4 along 403 through the level, and the level sets up at the top of connecting seat 7 along the 403 laminating, and the improvement that can be great through this structure is closely matched between the lower cover body 4 and the connecting seat 7 to make the atress of the lower cover body 4 more reasonable, increase of service life.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a crushed coal pressure gasification stove valve head with additional strengthening, includes the valve rod and installs the valve head body in the valve rod bottom, is provided with the protection casing subassembly, its characterized in that between valve rod and the valve head body: the protection casing subassembly includes the upper shield body and the lower cover body, the top cooperation valve rod of the upper shield body is provided with the installation cover, and detachable is provided with the clamp plate on the installation cover, compresses tightly between clamp plate and the installation cover to be provided with the sealing washer that realizes sealed laminating with the valve rod, the bottom of the upper shield body and the top of the lower cover body are provided with respectively to strengthen along with strengthening down along, strengthen on with strengthen down strengthen along between the edge detachable be connected, the bottom and the valve head body detachable of the lower cover body are connected.

2. The valve head of the crushed coal pressure gasification furnace with the reinforcing structure according to claim 1, wherein: the inboard cooperation sealing washer in bottom of clamp plate is provided with annular mounting groove.

3. The valve head of the crushed coal pressure gasification furnace with the reinforcing structure according to claim 2, wherein: the axial dimension of the annular mounting groove is smaller than the thickness of the sealing ring.

4. The valve head of the crushed coal pressure gasification furnace with the reinforcing structure according to claim 1, wherein: the top of installation cover is provided with the bearing along, and the bearing is connected through first bolt assembly along with the clamp plate.

5. The valve head of the crushed coal pressure gasification furnace with the reinforcing structure according to claim 1, wherein: the upper reinforcing edge and the lower reinforcing edge are both annular structures extending horizontally towards the direction close to the valve rod.

6. The valve head of the crushed coal pressure gasification furnace with the reinforcing structure according to claim 1, wherein: the upper reinforcing edge and the lower reinforcing edge are connected through a second bolt assembly.

7. The valve head of the crushed coal pressure gasification furnace with the reinforcing structure according to claim 1, wherein: the valve head body is provided with a connecting seat, the connecting seat is provided with a slot for inserting the bottom end of the lower cover body, and the connecting seat is connected with the lower cover body through a bolt.

8. The valve head of the crushed coal pressure gasification furnace with the reinforcing structure according to claim 7, wherein: the connecting seat is connected with the valve head body through a third bolt assembly.

9. The valve head of the crushed coal pressure gasification furnace with the reinforcing structure according to claim 7, wherein: the bottom cooperation slot of the lower cover body is provided with inserts the edge, inserts along the inboard that is located the lower cover body and inserts along being connected with the lower cover body through the level along, and the level sets up along the laminating the top of connecting seat.