CN211926481U

CN211926481U - Labyrinth rotary kiln seal

Info

Publication number: CN211926481U
Application number: CN202020239056.3U
Authority: CN
Inventors: 赵爱军; 吉双林; 刘必祥
Original assignee: Anhui Panjing Cement Co ltd
Current assignee: Anhui Panjing Cement Co ltd
Priority date: 2020-03-02
Filing date: 2020-03-02
Publication date: 2020-11-13
Anticipated expiration: 2030-03-02

Abstract

The utility model discloses a labyrinth rotary kiln is sealed, including device shell, the kiln body, aerify storehouse and buffer block, the inside gas tube that is provided with of device shell, the inside gas tube that has seted up of gas tube, kiln body outer wall fixed mounting has the supporting shoe, the supporting shoe top is provided with the cold wind cover, the cold wind cover outer wall is provided with two sets of fixed plates, and is two sets of the fixed plate top is provided with the dead lever, the ash blocking plate is installed to fixed plate left side screw thread, device shell inner wall is provided with the second fixed block, the cold wind cover left end is provided with the striker plate. The utility model discloses a set up seal groove and sealed piece, can carry out labyrinth seal, aerify to aerifing the storehouse inside through setting up the inflation pipeline accessible inflation pore pair, make and aerify the storehouse internal pressure and be higher than the kiln external pressure, effectively prevented the outside gas entering, can block the dust entering through setting up the dust board, can alleviate sealing device pressure, extension sealing device life improves the practicality.

Description

Labyrinth rotary kiln seal

Technical Field

The utility model relates to a rotary kiln seals technical field, specifically is a labyrinth rotary kiln is sealed.

Background

The rotary kiln for firing the clinker is key production equipment in the cement industry, the material is calcined in a kiln body at high temperature, the temperature is usually between 800-, especially when the rotary kiln is used as main equipment for coal pyrolysis, internal gas leakage and external air entering are prevented, and the requirement on sealing performance is higher for ensuring reaction conditions and production safety;

the existing rotary kiln is large in volume and diameter, the kiln body is sealed when the kiln body generates small radial run-out and axial run-out during rotation, so that materials, dust and gas are leaked, the barrel body shakes during operation, stress of all parts is uneven, abrasion is serious, and therefore a labyrinth rotary kiln seal needs to be provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a labyrinth rotary kiln is sealed to current volume and the diameter that proposes in solving above-mentioned background art are too big, lead to the problem that the leakproofness is not enough and the atress is inhomogeneous easy to wear and tear.

In order to achieve the purpose, the utility model provides a following technical scheme labyrinth rotary kiln is sealed, including device shell, the kiln body, aerify storehouse and buffer block, the inside gas tube that is provided with of device shell, the inside gas tube that has seted up of gas tube, kiln external wall fixed mounting has the supporting shoe, the supporting shoe top is provided with the cold air jacket, the cold air jacket outer wall is provided with two sets of fixed plates, and is two sets of the fixed plate top is provided with the dead lever, ash blocking plate is installed to fixed plate left side screw thread, device shell inner wall is provided with the second fixed block, the cold air jacket left end is provided with the striker plate.

Preferably, a second spring is fixedly mounted at the top end of the fixing rod, and the fixing rod is connected with the second fixing block through the second spring.

Preferably, the buffer block is internally provided with an air hole, the outer wall of the buffer block is provided with a rubber pad, a fixed block is fixedly installed inside the rubber pad, and the outer wall of the fixed block is provided with a first spring.

Preferably, the buffer block right side is provided with the seal groove, the seal groove bottom is provided with sealed piece, the seal groove is vertical staggered form design with sealed piece.

Preferably, the ash blocking plate is internally provided with a fixing screw and is connected with the cold air sleeve through the fixing screw.

Preferably, a sliding groove is formed in the second fixing block, and the fixing rod and the second fixing block form a sliding structure through the sliding groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through setting up seal groove and sealed piece, can carry out labyrinth seal, aerify to aerifing the storehouse inside through setting up the inflation pipeline accessible and aerify the pore pair, make and aerify the storehouse internal pressure and be higher than the kiln external pressure, effectively prevented the entering of outside gas, can block the dust entering through setting up the dust board, can alleviate sealing device pressure, extension sealing device life improves the practicality.

2. Through setting up the rubber pad of buffer block outer wall, can form sealedly when pushing down, the gaseous also can a small amount of inflow buffer block of storehouse department of aerifing simultaneously makes pressure be higher than the kiln external pressure in the space between fixed plate, can prevent through setting up the striker plate that the material from getting into storehouse department of aerifing, can support between the kiln body and the cold wind cover through setting up the supporting shoe, when can pushing down the second fixed block through setting up the second spring, the buffer pressure, avoid vibrations, lead to the inhomogeneity of each parts atress, the serious problem of wearing and tearing, and the service life is prolonged.

Drawings

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 2 is a schematic top view of the structure of the buffer block of the present invention;

FIG. 3 is a schematic cross-sectional front view of the structure of FIG. 1;

fig. 4 is a schematic front sectional view of the structure shown at B in fig. 1 according to the present invention.

In the figure: 1. a device housing; 2. an inflation hole; 3. an inflation conduit; 4. a sealing groove; 5. a sealing block; 6. a cold air jacket; 7. a kiln body; 8. a support block; 9. a fixing plate; 10. fixing the rod; 11. an inflating bin; 12. a first spring; 13. a buffer block; 14. a second fixed block; 15. a striker plate; 16. a second spring; 17. a dust blocking plate; 18. and fixing the screw.

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. 1-4, the present invention provides an embodiment:

a labyrinth rotary kiln seal comprises a device shell 1, a kiln body 7, an inflation bin 11 and a buffer block 13, wherein an inflation pipeline 3 is arranged inside the device shell 1, an inflation hole 2 is formed inside the inflation pipeline 3, a support block 8 is fixedly arranged on the outer wall of the kiln body 7, a cold air sleeve 6 is arranged at the top end of the support block 8, the kiln body 7 and the cold air sleeve 6 can be supported by arranging the support block 8, a baffle plate 15 is arranged at the left end of the cold air sleeve 6, materials can be prevented from entering the inflation bin 11 by arranging the baffle plate 15, two groups of fixed plates 9 are arranged on the outer wall of the cold air sleeve 6, fixed rods 10 are arranged at the top ends of the two groups of fixed plates 9, a second spring 16 is fixedly arranged at the top end of each fixed rod 10, when the second fixed block 14 is pressed down by arranging the second spring 16, the buffer pressure is avoided, vibration is avoided, dead lever 10 is connected through second spring 16 with second fixed block 14, and ash blocking plate 17 is installed to fixed plate 9 left side screw thread, and ash blocking plate 17 is inside to be provided with fixed screw 18, and ash blocking plate 17 is connected through fixed screw 18 with cold wind cover 6, can block the dust entering through setting up ash blocking plate 17, can alleviate sealing device pressure, extension sealing device life, improves the practicality.

The inner wall of the device shell 1 is provided with a second fixed block 14, the inside of the second fixed block 14 is provided with a sliding groove, a fixed rod 10 and the second fixed block 14 form a sliding structure through the sliding groove, the inside of a buffer block 13 is provided with an air hole, the outer wall of the buffer block 13 is provided with a rubber pad, the inside of the rubber pad is fixedly provided with the fixed block, the outer wall of the fixed block is provided with a first spring 12, the rubber pad arranged on the outer wall of the buffer block 13 can form sealing during pressing down, meanwhile, gas at the position of an inflating bin 11 can also flow into a gap between the buffer block 13 and the fixed plate 9 in a small amount, so that the pressure is higher than the pressure outside the kiln, the right side of the buffer block 13 is provided with a sealing groove 4, the bottom end of the sealing groove 4 is provided with a sealing block 5, the sealing groove 4 and the sealing block 5 are, the pressure in the inflating bin 11 is higher than the pressure outside the kiln, and the external gas is effectively prevented from entering.

The working principle is as follows: when the sealing device works, labyrinth sealing can be performed through the vertical staggered design of the sealing groove 4 and the sealing block 5 to form a first seal, and a second seal can be formed through the rubber pad arranged on the outer wall of the buffer block 13;

when the rotary kiln works, the rotary kiln can generate vibration, abrasion caused by uneven stress of the second fixing block 14 and the fixing rod 10 can be avoided by arranging the second spring 16 between the second fixing block 14 and the fixing rod 10, and the rubber plate arranged on the outer wall of the buffer block 13 and the first spring 12 can buffer to reduce abrasion caused by vibration;

when the air inflation device works, if external air flows in, the sealing performance is insufficient, the interior of the inflation bin 11 can be inflated through the inflation hole 2 formed in the inflation pipeline 3, a small amount of air can flow into a gap between the fixed plate 9 and the buffer block 13 to form air pressure difference, the external air can be effectively prevented from flowing into the interior, and the sealing performance is improved;

in the using process, dust is prevented from entering between the device shell 1 and the cold air jacket 6, and a large burden is brought to the sealing device. Through setting up dust baffle 17, can constitute the dust, lead to the material to leak when setting up striker plate 15 and can avoid the vibrations of kiln body 7.

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.

Claims

1. The utility model provides a labyrinth rotary kiln is sealed, includes device shell (1), the kiln body (7), aerifys storehouse (11) and buffer block (13), its characterized in that: the device is characterized in that an air charging pipeline (3) is arranged inside a shell (1), an air charging hole (2) is formed inside the air charging pipeline (3), a supporting block (8) is fixedly arranged on the outer wall of a kiln body (7), a cold air sleeve (6) is arranged on the top end of the supporting block (8), two sets of fixing plates (9) are arranged on the outer wall of the cold air sleeve (6), a fixing rod (10) is arranged on the top end of each fixing plate (9), an ash blocking plate (17) is installed on the left side of each fixing plate (9) in a threaded mode, a second fixing block (14) is arranged on the inner wall of the shell (1), and a material blocking plate (.

2. The labyrinth rotary kiln seal as recited in claim 1, wherein: the top end of the fixing rod (10) is fixedly provided with a second spring (16), and the fixing rod (10) is connected with a second fixing block (14) through the second spring (16).

3. The labyrinth rotary kiln seal as recited in claim 1, wherein: the novel buffer block is characterized in that air holes are formed in the buffer block (13), a rubber pad is arranged on the outer wall of the buffer block (13), a fixed block is fixedly installed in the rubber pad, and a first spring (12) is arranged on the outer wall of the fixed block.

4. The labyrinth rotary kiln seal as recited in claim 1, wherein: buffer block (13) right side is provided with seal groove (4), seal groove (4) bottom is provided with sealed piece (5), seal groove (4) are vertical staggered form design with sealed piece (5).

5. The labyrinth rotary kiln seal as recited in claim 1, wherein: the dust baffle (17) is internally provided with a fixing screw (18), and the dust baffle (17) is connected with the cold air sleeve (6) through the fixing screw (18).

6. The labyrinth rotary kiln seal as recited in claim 2, wherein: a sliding groove is formed in the second fixing block (14), and the fixing rod (10) and the second fixing block (14) form a sliding structure through the sliding groove.