CN210321131U

CN210321131U - Dynamic and static sealing device for front and rear ports of rotary kiln

Info

Publication number: CN210321131U
Application number: CN201921006069.XU
Authority: CN
Inventors: 张军智; 华玉强
Original assignee: Xinjiang Zhongjin Kerui New Energy Development Co ltd
Current assignee: Xinjiang Zhongjin Kerui New Energy Development Co ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-04-14
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a sealing device between dynamic static state of port around rotary kiln, including the kiln pipeline, the both sides of kiln pipeline are provided with the end interface, form the grafting gap between kiln pipeline and the end interface, the upper and lower both sides of kiln pipeline are provided with the mounting bracket, be provided with sealing element through moving mechanism on the mounting bracket, sealing element's position is corresponding with the grafting gap, the utility model relates to a sealing device between the dynamic static state of port around the rotary kiln through setting up intercommunication pipeline, sealed crown plate and seal ring etc. has reached and has improved the sealed effect of rotary kiln, need not artifical mechanical seal, and the installation of being convenient for is dismantled, and is efficient, has solved present rotary kiln and has adopted mechanical seal's mode to fix through the manual work usually and seal, and is inefficient, the heavy problem of work burden.

Description

Dynamic and static sealing device for front and rear ports of rotary kiln

Technical Field

The utility model relates to a rotary kiln seals technical field, specifically is a sealing device between dynamic static state of port around rotary kiln.

Background

The rotary kiln is a thermal equipment for heating and treating bulk materials, and is widely applied to industrial departments of metallurgy, chemical industry, cement building materials and the like, the rotary kiln works through negative pressure operation, so that more or less cold air enters from connecting points of a rotary kiln body and a feed inlet and a discharge outlet, the combustion temperature of a hot end is reduced when the sealing is poor, and the heat consumption is increased; and poor sealing at the cold end can influence normal equipment ventilation, increases the load of airing exhaust, influences the exhaust fan operation, therefore sealed effect can cause the influence to the combustion efficiency of rotary kiln to influence production and operating efficiency, and produce production quality and cost energy consumption and exert an influence, so the rotary kiln has higher requirement to the leakproofness.

The existing rotary kiln is usually fixed and sealed manually in a mechanical sealing mode, so that the efficiency is low and the workload is heavy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealing device between the developments static state of port around the rotary kiln 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:

the utility model provides a sealing device between dynamic static state of port around rotary kiln, includes the kiln pipeline, the both sides of kiln pipeline are provided with the end interface, form the grafting gap between kiln pipeline and the end interface, the upper and lower both sides of kiln pipeline are provided with the mounting bracket, be provided with sealing member through moving mechanism on the mounting bracket, sealing member's position is corresponding with the grafting gap.

Preferably, a communicating pipeline is arranged on the inner side wall of the kiln pipeline, the communicating pipeline is inserted into the end interface, and the position inserting gap of the communicating pipeline corresponds to the position inserting gap of the end interface.

Preferably, the moving mechanism comprises a moving seat, the moving seat is fixedly mounted on a side end face of the mounting frame, which is close to the kiln pipeline, a moving groove is formed in the moving seat, a lead screw is rotatably mounted in the moving groove, a lead screw motor is fixedly mounted on a rear end face of the moving seat, an output end of the lead screw motor is fixedly connected with the lead screw, a moving block is arranged on the lead screw, and the moving block is sleeved on the lead screw through a thread groove.

Preferably, a pneumatic cylinder is arranged on the moving block, and a sealing component is fixedly mounted at the output end of the pneumatic cylinder.

Preferably, the sealing component comprises an arc plate, the arc plate is fixedly installed at the output end of the pneumatic cylinder, a sealing ring plate is fixedly installed on the end face, close to the kiln pipeline, of one side of the arc plate, and the sealing ring plate is correspondingly inserted into the insertion gap.

Preferably, the left and right sides of arc all fixed mounting have side seal board, kiln pipeline and the lateral wall of end interface correspond the side seal board position department and all be provided with seal ring.

Compared with the prior art, the beneficial effects of the utility model are that: a dynamic and static sealing device for the front and back ports of rotary kiln is composed of a kiln head cover, a kiln tail cover, a connecting pipeline between said kiln head cover and kiln tail cover, a sealing part installed to the front and back ports of rotary kiln for sealing the gap between said connecting pipeline and said connecting pipeline, a pneumatic cylinder for moving the sealing part between said movable seat and rotary cylinder, a moving mechanism for moving the sealing part to the gap between said connecting pipeline and rotary kiln, and a sealing ring plate for sealing the gap between said connecting pipeline and rotary kiln tail cover, the side sealing plates move through the arc-shaped plates, the sealing gaskets are extruded to realize the third layer sealing, a good sealing effect is achieved, complex manual mechanical installation is not needed, and the dismounting and the mounting are convenient. The utility model relates to a sealing device between dynamic static state of port around rotary kiln through setting up intercommunication pipeline, sealed crown plate and seal ring etc. has reached and has improved the sealed effect of rotary kiln, need not artifical mechanical seal, and the installation of being convenient for is dismantled, and is efficient, has solved present rotary kiln and has carried out fixed seal, inefficiency, the heavy problem of work burden through the artifical mode that adopts mechanical seal usually.

Drawings

FIG. 1 is a schematic structural view of a dynamic and static seal device for front and rear ports of a rotary kiln;

FIG. 2 is a schematic diagram of a sealing member of a dynamic and static sealing device for front and rear ports of a rotary kiln;

fig. 3 is a schematic structural diagram of a moving mechanism in a dynamic and static sealing device of front and rear ports of a rotary kiln.

In the figure: the device comprises a kiln pipeline 1, a kiln pipeline 2, an end interface 3, a splicing gap 4, a communicating pipeline 5, a mounting frame 6, a moving mechanism 7, a sealing part 8, an arc plate 9, a sealing ring plate 10, a side sealing plate 11, a sealing gasket 12, a moving seat 13, a moving groove 14, a screw rod 15, a screw rod motor 16, a moving block 17, a thread groove 18 and a pneumatic cylinder.

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.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a sealing device between dynamic static state of port around rotary kiln, includes kiln pipeline 1, the both sides of kiln pipeline 1 are provided with end interface 2, form grafting gap 3 between kiln pipeline 1 and the end interface 2, the upper and lower both sides of kiln pipeline 1 are provided with mounting bracket 5, be provided with sealing member 7 through moving mechanism 6 on mounting bracket 5, sealing member 7's position is corresponding with grafting gap 3.

End interface 2 is located kiln pipeline 1's front and back port, and distribution connection kiln hood cover and kiln hood cover through forming grafting gap 3, to inserting 3 departments of seam can, consequently set up seal part 7 through the activity of mounting bracket 5, the accessible machinery operates sealedly, simple and convenient.

The inside wall of kiln pipeline 1 is provided with communicating pipe 4, communicating pipe 4 pegs graft in the inside of end interface 2, communicating pipe 4's position grafting gap 3 corresponds.

Through the setting of communicating pipe 4, realize the sealed effect of first layer, a large amount of flue gases pass through communicating pipe 4 and end interface 2 intercommunication.

The moving mechanism 6 comprises a moving seat 12, the moving seat 12 is fixedly mounted on one side end face of the mounting frame 5 close to the kiln pipeline 1, a moving groove 13 is formed in the moving seat 12, a lead screw 14 is rotatably mounted in the moving groove 13, a lead screw motor 15 is fixedly mounted on the rear end face of the moving seat 12, the output end of the lead screw motor 15 is fixedly connected with the lead screw 14, a moving block 16 is arranged on the lead screw 14, and the moving block 16 is sleeved on the lead screw 14 through a threaded groove 17.

The lead screw 14 is driven to rotate by the operation of the lead screw motor 15, and the moving block 16 moves inside the moving base 12 through the thread groove 17 and the moving groove 13.

The moving block 16 is provided with a pneumatic cylinder 18, and the output end of the pneumatic cylinder 18 is fixedly provided with a sealing component 7.

The sealing component 7 can be fixedly installed at the output end of the pneumatic cylinder 18 manually, and then the sealing component 7 is moved to the insertion gap 3 through the moving mechanism to seal the front and rear ports of the rotary kiln.

The sealing component 7 comprises an arc-shaped plate 8, the arc-shaped plate 8 is fixedly installed at the output end of the pneumatic cylinder 18, a sealing ring plate 9 is fixedly installed on the end face, close to the kiln pipeline 1, of one side of the arc-shaped plate 8, and the sealing ring plate 9 is correspondingly inserted into the insertion gap 3.

The left and right sides of arc 8 all fixed mounting have side seal board 10, kiln pipeline 1 and the lateral wall of end interface 2 correspond side seal board 10 position department and all are provided with seal ring 11.

Remove through arc 8, during sealed crown plate 9 pegs graft and get into grafting gap 3, carry out the second floor sealedly to port department, remove through arc 8, side seal board 10 removes, and extrusion seal ring 11 realizes that the third layer is sealed, reaches good sealed effect, and need not loaded down with trivial details artifical mechanical installation, dismantles simple to operate.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a sealing device between developments static of port around rotary kiln, includes kiln pipeline (1), its characterized in that: the both sides of kiln pipeline (1) are provided with end interface (2), form grafting gap (3) between kiln pipeline (1) and end interface (2), the upper and lower both sides of kiln pipeline (1) are provided with mounting bracket (5), be provided with sealing member (7) through moving mechanism (6) on mounting bracket (5), the position and the grafting gap (3) of sealing member (7) are corresponding.

2. The dynamic and static sealing device for the front and rear ports of the rotary kiln as claimed in claim 1, wherein: the kiln comprises a kiln pipeline (1) and is characterized in that a communicating pipeline (4) is arranged on the inner side wall of the kiln pipeline (1), the communicating pipeline (4) is inserted into the end connector (2), and the position inserting gap (3) of the communicating pipeline (4) corresponds to the position inserting gap (3).

3. The dynamic and static sealing device for the front and rear ports of the rotary kiln as claimed in claim 2, wherein: the moving mechanism (6) comprises a moving seat (12), the moving seat (12) is fixedly mounted on one side end face, close to the kiln pipeline (1), of the mounting frame (5), a moving groove (13) is formed in the moving seat (12), a lead screw (14) is mounted in the moving groove (13) in a rotating mode, a lead screw motor (15) is fixedly mounted on the rear end face of the moving seat (12), the output end of the lead screw motor (15) is fixedly connected with the lead screw (14), a moving block (16) is arranged on the lead screw (14), and the moving block (16) is sleeved on the lead screw (14) through a thread groove (17).

4. The dynamic and static sealing device for the front and rear ports of the rotary kiln as claimed in claim 3, wherein: the moving block (16) is provided with a pneumatic cylinder (18), and the output end of the pneumatic cylinder (18) is fixedly provided with a sealing component (7).

5. The dynamic and static sealing device for the front and rear ports of the rotary kiln as claimed in claim 4, wherein: the sealing component (7) comprises an arc-shaped plate (8), the arc-shaped plate (8) is fixedly installed at the output end of the pneumatic cylinder (18), a sealing ring plate (9) is fixedly installed on the end face, close to the kiln pipeline (1), of one side of the arc-shaped plate (8), and the sealing ring plate (9) is correspondingly inserted into the insertion gap (3).

6. The dynamic and static sealing device for the front and rear ports of the rotary kiln as claimed in claim 5, wherein: the left and right sides of arc (8) all fixed mounting have side seal board (10), correspond side seal board (10) position department on the lateral wall of kiln pipeline (1) and end interface (2) and all be provided with seal ring (11).