CN211822412U

CN211822412U - Sealing device for waste incineration treatment rotary kiln

Info

Publication number: CN211822412U
Application number: CN201922381963.1U
Authority: CN
Inventors: 丁炎; 王征; 徐君
Original assignee: Changshu City Heavy Machinery Manufacturers Co ltd
Current assignee: Changshu City Heavy Machinery Manufacturers Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-10-30
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a waste incineration treatment rotary kiln sealing device, including kiln hood cover, the kiln body, fixed pipe and outer tube, kiln hood cover and the perpendicular distribution of the kiln body, and the kiln hood cover installs fixed pipe towards the one side of the kiln body, the one end that the kiln hood cover was kept away from to fixed pipe rotates with the outer tube to be connected, the inner tube is installed to the inboard of outer tube, the fixed laminating is established in the outside of the kiln body and with it to the inner tube cover, the inner tube comprises the semicircle of two sets of looks isostructures, but the setting with the outer tube split of inner tube, the outer tube is inside hollow ring structure, and has seted up the countersunk groove on the face of outer tube towards the inner tube, the countersunk groove is personally submitted the annular along the interior circumference of outer tube and distributes, the inner tube still is provided with the lug on the face towards the outer tube, the lug distributes along. The sealing device of the waste incineration treatment rotary kiln has the advantages of reasonable structure, convenience in use, good sealing effect and wide popularization.

Description

Sealing device for waste incineration treatment rotary kiln

Technical Field

The utility model belongs to the technical field of the rotary kiln, concretely relates to discarded object incineration disposal rotary kiln sealing device.

Background

The rotary kiln is a rotary calcining kiln (commonly called rotary kiln) and belongs to building material equipment. Rotary kilns can be divided into cement kilns, metallurgical chemical kilns and lime kilns according to the different materials to be treated. The cement kiln is mainly used for calcining cement clinker and comprises a dry-process cement kiln and a wet-process cement kiln. The rotary kiln is characterized in that a gap is inevitably formed between a rotary cylinder body of the rotary kiln and a cover body of a kiln head and a kiln tail, a sealing device is required to be arranged between the cylinder body and the cover body of the rotary kiln in order to prevent external air from being sucked into rotary equipment or gas carrying materials in the rotary equipment from leaking, the sealing effect of the sealing device of the rotary kiln is good or bad, and the operation and the stable operation of a rotary kiln system are influenced to a great extent.

At present, the kiln tail sealing form of the rotary kiln has a plurality of forms, but most of the rotary kiln tail sealing forms have complex mounting structures, are inconvenient to assemble and disassemble and cannot meet the use requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waste incineration handles rotary kiln sealing device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a waste incineration treatment rotary kiln sealing device comprises a kiln head cover, a kiln body, a fixed pipe and an outer pipe, wherein the kiln head cover and the kiln body are vertically distributed, the fixed pipe is arranged on one surface, facing the kiln body, of the kiln head cover, one end, far away from the kiln head cover, of the fixed pipe is rotatably connected with the outer pipe, an inner pipe is arranged on the inner side of the outer pipe, the inner pipe is sleeved outside the kiln body and fixedly attached to the outer pipe, the inner pipe is composed of two groups of semicircles with the same structure, and the inner pipe and the outer pipe can be detachably arranged;

the outer pipe is of a hollow annular structure, the surface of the outer pipe facing the inner pipe is provided with countersunk grooves which are annularly distributed along the inner circumferential surface of the outer pipe, the surface of the inner pipe facing the outer pipe is also provided with lugs which are annularly distributed along the outer circumferential surface of the inner pipe, and the countersunk grooves are matched and embedded with the lugs;

the surface of the outer pipe facing the fixed pipe is also provided with a rotating groove, the rotating groove extends annularly along the pipe wall of the fixed pipe by taking the center of the outer pipe as a circle center, and the surface of the fixed pipe facing the outer pipe is also convexly provided with a connecting block which extends into the rotating groove and is rotationally connected with the rotating groove;

the outer wall of the fixed pipe is also provided with a vent hole communicated with the inside in a penetrating manner, and the outside of the vent hole is fixedly connected with the vent pipe.

Preferably, the countersunk head groove is internally provided with a thread groove, and the thread groove takes the circle center of the outer pipe as the center and is distributed with a plurality of groups in an annular array.

Preferably, a plurality of groups of positioning bolts are installed on the projection in a penetrating mode, and the positioning bolts are installed in a matched mode with the threaded holes.

Preferably, the outer wall of the fixed pipe is welded with an installation block, and the connection block is fixedly connected with the kiln head cover through a limiting bolt.

Preferably, a sealing groove is further formed in the front end face of the inner pipe, and a rubber ring is filled in the sealing groove.

Preferably, the limit bolt is fixedly installed on the installation block.

The utility model discloses a technological effect and advantage: this waste incineration treatment rotary kiln sealing device, through the cooperation of fixed pipe and outer tube, effectively promote the leakproofness between the kiln body and the kiln hood cover, the on-the-spot operational environment of protection, through the threaded connection of outer tube and inner tube, the threaded connection of fixed pipe and outer tube, it is convenient whole dismouting, therefore, the clothes hanger is strong in practicability, it is sealed effectual, when needing to overhaul or when reforming transform the kiln body, promote convenient degree greatly, this waste incineration treatment rotary kiln sealing device, and is rational in infrastructure, high durability and convenient use, it is sealed effectual, can extensively promote.

Drawings

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

FIG. 2 is a schematic view of the connection structure between the outer tube and the inner tube of the present invention;

fig. 3 is a schematic view of the structure of the fixing tube of the present invention.

In the figure: the kiln comprises a kiln head cover 1, a kiln body 2, an installation block 2, a rotary groove 3, a connecting block 4, a vent pipe 5, a fixed pipe 6, an outer pipe 7, a positioning bolt 8, a kiln body 9, a countersunk groove 10, a threaded hole 11, a bump 12, an inner pipe 13, a sealing groove 14, a limiting bolt 16 and a vent hole 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a waste incineration treatment rotary kiln sealing device as shown in figures 1-3, which comprises a kiln head cover 1, a kiln body 9, a fixed pipe 6 and an outer pipe 7, wherein the kiln head cover 1 is vertically distributed with the kiln body 9, the fixed pipe 6 is arranged on the kiln head cover 1 facing the kiln body 9, one end of the fixed pipe 6 far away from the kiln head cover 1 is rotatably connected with the outer pipe 7, an inner pipe 13 is arranged on the inner side of the outer pipe 7, the inner pipe 13 is sleeved on the outer part of the kiln body 9 and fixedly attached with the kiln body, the inner pipe 13 is composed of two groups of semicircles with the same structure, and the inner pipe 13 can be detachably arranged with the outer pipe 7;

the outer pipe 7 is of a hollow circular structure, a countersunk groove 10 is formed in the surface, facing the inner pipe 13, of the outer pipe 7, the countersunk grooves 10 are distributed annularly along the inner circumferential surface of the outer pipe 7, a bump 12 is further arranged on the surface, facing the outer pipe 7, of the inner pipe 13, the bump 12 is distributed annularly along the outer circumferential surface of the inner pipe 13, and the countersunk groove 10 is matched and embedded with the bump 12;

the surface of the outer pipe 7 facing the fixed pipe 6 is also provided with a rotating groove 3, the rotating groove 3 extends annularly along the pipe wall of the fixed pipe 6 by taking the center of the outer pipe 7 as a circle center, the surface of the fixed pipe 6 facing the outer pipe 7 is also convexly provided with a connecting block 4, and the connecting block 4 extends into the rotating groove 3 and is rotationally connected with the rotating groove;

still run through on the outer wall of fixed pipe 6 and set up the air vent 17 with inside intercommunication, the outside and the breather pipe 5 of air vent 17 are fixed to be linked to each other, through the cooperation of fixed pipe 6 and outer tube, effectively promote the leakproofness between the kiln body 9 and kiln hood cover 1.

Specifically, the countersunk head groove 10 is further provided with a plurality of thread grooves, and the thread grooves are distributed in an annular array with the center of the circle of the outer tube 7 as the center.

Specifically, a plurality of groups of positioning bolts 8 are installed on the convex block 12 in a penetrating mode, the positioning bolts 8 are installed in a matched mode with the threaded holes 11, and the convex block 12 is in threaded connection with the countersunk grooves 10 through the positioning bolts 8.

Specifically, the outer wall of the fixed pipe 6 is welded with an installation block 2, and the connection block 4 is fixedly connected with the kiln head cover 1 through a limiting bolt 16.

Specifically, a sealing groove 14 is further formed in the front end face of the inner pipe 13, a rubber ring is filled in the sealing groove 14, the sealing groove 14 is filled with the rubber ring, the sealing performance is improved, and the inner pipe 13 and the kiln body 9 are connected more closely.

Specifically, the limit bolt 16 is fixedly mounted on the mounting block 2.

Specifically, when the sealing device of the rotary kiln for incinerating and treating wastes is used, firstly, the fixed pipe 6 is installed on the kiln head cover 1 through the limiting bolt 16, then, the outer pipe 7 and the fixed pipe 6 are installed, the surface of the outer pipe 7, which is provided with the rotary groove 3, faces the fixed pipe 6, so that the connecting block 4 extends into the rotary groove 3, then, the inner pipe 13 is sleeved on the outer part of the kiln body 9 to be spliced into an integral ring and is transversely placed into the countersunk groove 10 along the outer wall of the kiln body 9 in a sliding manner, the bump 12 is in threaded connection with the countersunk groove 10 through the positioning bolt 8, the inner pipe 13 is fixed on the outer part of the kiln body 9, and a rubber strip is installed between the sealing groove 14 and the kiln body 9, so that the joint of the kiln body 9 and the sealing groove 14 is more compact, the kiln body 9 rotates in work, the inner pipe 13 rotates along with the rotation, the inner pipe 13 drives the outer pipe 7 to rotate, fixed pipe 6 just supports outer tube 7, and fixed pipe 6 can not rotate, and breather pipe 5 is also fixed, just will fix the same getting rid of the inside gaseous of revealing that produces of pipe 6 through breather pipe 5, and the clean and tidy nature of packing work is sealed effectual, and the dismouting of being convenient for, when perhaps reforming transform the kiln body 9 when needs are overhauld, promotes convenient degree greatly, this waste incineration treatment rotary kiln sealing device, rational in infrastructure, convenient to use, it is sealed effectual, can extensively promote.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a waste incineration handles rotary kiln sealing device, includes kiln hood cover (1), the kiln body (9), fixed pipe (6) and outer tube (7), its characterized in that: the kiln head cover (1) and a kiln body (9) are vertically distributed, a fixed pipe (6) is arranged on one surface, facing the kiln body (9), of the kiln head cover (1), one end, far away from the kiln head cover (1), of the fixed pipe is rotatably connected with an outer pipe (7), an inner pipe (13) is arranged on the inner side of the outer pipe (7), the inner pipe (13) is sleeved outside the kiln body (9) and fixedly attached to the outer pipe, the inner pipe (13) is composed of two groups of semicircles with the same structure, and the inner pipe (13) and the outer pipe (7) can be detachably arranged;

the outer pipe (7) is of a hollow circular structure, a countersunk groove (10) is formed in the surface, facing the inner pipe (13), of the outer pipe (7), the countersunk grooves (10) are distributed annularly along the inner circumferential surface of the outer pipe (7), a bump (12) is further arranged on the surface, facing the outer pipe (7), of the inner pipe (13), the bump (12) is distributed annularly along the outer circumferential surface of the inner pipe (13), and the countersunk groove (10) is matched and embedded with the bump (12);

the surface of the outer pipe (7) facing the fixed pipe (6) is also provided with a rotating groove (3), the rotating groove (3) extends annularly along the pipe wall of the fixed pipe (6) by taking the center of the outer pipe (7) as a circle center, a connecting block (4) is further arranged on the surface of the fixed pipe (6) facing the outer pipe (7) in a protruding mode, and the connecting block (4) extends into the rotating groove (3) and is connected with the rotating groove in a rotating mode;

the outer wall of the fixed pipe (6) is also provided with a vent hole (17) communicated with the inside in a penetrating way, and the outside of the vent hole (17) is fixedly connected with the vent pipe (5).

2. The sealing device of the waste incineration rotary kiln according to claim 1, wherein: the countersunk head groove (10) is also internally provided with thread grooves which are distributed in an annular array by taking the circle center of the outer pipe (7) as the center.

3. The sealing device of the waste incineration rotary kiln according to claim 1, wherein: a plurality of groups of positioning bolts (8) are installed on the convex block (12) in a penetrating mode, and the positioning bolts (8) are installed in a matched mode with the threaded holes (11).

4. The sealing device of the waste incineration rotary kiln according to claim 1, wherein: the kiln hood is characterized in that the outer wall of the fixed pipe (6) is welded with an installation block (2), and the connection block (4) is fixedly connected with the kiln hood cover (1) through a limiting bolt (16).

5. The sealing device of the waste incineration rotary kiln according to claim 1, wherein: the front end face of the inner pipe (13) is further provided with a sealing groove (14), and a rubber ring is filled in the sealing groove (14).

6. The sealing device of the waste incineration rotary kiln according to claim 4, wherein: the limiting bolt (16) is fixedly arranged on the mounting block (2).