CN211316194U

CN211316194U - Rotary nitrogen sealing device for industrial kiln

Info

Publication number: CN211316194U
Application number: CN202020017295.4U
Authority: CN
Inventors: 黄晓烽; 林伯儒; 吕卫奇; 倪敢峰
Original assignee: Sigent New Energy Technology Shanghai Co ltd
Current assignee: China Orange Enterprise Development (Shanghai) Co.,Ltd.
Priority date: 2020-01-02
Filing date: 2020-01-02
Publication date: 2020-08-21
Anticipated expiration: 2030-01-02

Abstract

The utility model discloses a be used for industrial kiln rotation type nitrogen gas sealing device, including the feed end, the both sides of feed end all are fixed with positioning flange, the right side of compensator is provided with the stationary ring, the inside of stationary ring is provided with nitrogen gas compensation mouth, the right-hand member of rotating ring is provided with mounting flange, and mounting flange's the outside installs fixation nut to fixation nut's outside cover has adjusting spring, fixation flange is located the one end of gyration barrel, the outer end of stationary ring is located the inside of spacing groove. This be used for industrial kiln rotation type nitrogen gas sealing device, it is not fragile, operation maintenance low cost need not to change the accessory, and friction seal installs two sets of circumference packing, and the inside of stationary ring sets up two sets of circumference packing and nitrogen gas compensation mouth and forms the sealed cavity of nitrogen gas one, and nitrogen gas forms as the automatic replenishment of second grade between two sets of circumference packing and moves to the sealed cavity of nitrogen gas, and two sets of circumference packing are equivalent to automatically forming three circumference seal in addition.

Description

Rotary nitrogen sealing device for industrial kiln

Technical Field

The utility model relates to a tire thermal cracking technical field specifically is a be used for industrial kiln rotation type nitrogen gas sealing device.

Background

In recent years, with the continuous improvement of the living standard of our country and the rapid development of society, the production amount of solid wastes is rapidly increased, many of the solid wastes contain organic matters, such as waste rubber, waste plastic, sludge, garbage, biomass and polluted soil, the traditional methods for treating and disposing the wastes include landfill and incineration, and the methods have no problems, the landfill needs a large amount of land, and simultaneously secondary pollution, such as stink or polluted underground water, is easy to generate, pollutants buried underground can not be degraded for many years, and always is a pollution hidden danger to the environment, so that the rapid technical research and equipment development for recycling and harmless disposal of organic solid wastes become urgent matters.

Thermal cracking is one of the mainstream processes for current organic solid waste treatment and disposal, because the thermal cracking needs to create an anaerobic or anoxic environment, the sealing performance of a thermal cracking furnace is the key point for realizing the process, and at present, an intermittent thermal cracking technology is used for multiple purposes, and the technology has the characteristics that the technology works intermittently, fuel consumption is required to be added in the heating and pyrolysis process, combustible gas generated by pyrolysis cannot be completely recycled, and is discharged disorganically, safe and environment-friendly, and potential safety hazards and potential environment-friendliness are eliminated gradually.

The existing industrial kilns and the like usually adopt a rotary drum structure, a sealing device usually adopts rotary friction sealing, two friction surfaces are compressed or provided with packing, the friction sealing device is easy to generate gap air leakage due to deflection generated under the conditions of material loading and high temperature of a rotary furnace, and is easy to damage at the same time, or the sealing material needs to be frequently replaced, some rotary furnaces adopt inert gas such as nitrogen sealing, the sealing structure is complex, the manufacturing cost is high, the maintenance is frequent, the nitrogen needs to be injected uninterruptedly, the operation and maintenance cost is higher, and the materials are continuously extruded and milled, so that the problem of powder explosion risk exists. Aiming at the problems, the novel sealing device is innovatively designed on the basis of the original sealing device.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a be not enough to prior art, the utility model provides a be used for industrial kiln rotation type nitrogen gas sealing device has solved current thermal cracking furnace and cold sediment machine sealing device and has adopted rotatory friction sealed usually, and two friction surfaces compress tightly or establish the packing, and such friction sealing device produces the gap gas leakage because of the deflection under rotary furnace material loading and the high temperature condition easily, the problem of also easy damage simultaneously.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a be used for industrial kiln rotation type nitrogen gas sealing device, includes the feed end, the both sides of feed end all are fixed with positioning flange, and the feed end is located the left side of compensator, the right side of compensator is provided with the stationary ring, and stationary ring and rotating ring closely link to each other, the inside of stationary ring is provided with nitrogen gas compensation mouth, and the clearance mounting of stationary ring and rotating ring has two sets of circumference packings, the right-hand member of rotating ring is provided with mounting flange, and mounting flange's the outside installs fixation nut to fixation nut's outside cover has adjusting spring, mounting flange is located the one end of gyration barrel, the outer end of stationary ring is located the inside of spacing groove.

Preferably, the compensator is made of a combination material of a fire-resistant fiber blanket and fluororubber.

Preferably, the left side of the fixed ring is fixed with the compensator through a bolt.

Preferably, the fixed ring and the movable ring are made of carbon steel.

(III) advantageous effects

The utility model provides a be used for industrial kiln rotation type nitrogen gas sealing device. The method has the following beneficial effects:

(1) this be used for industrial kiln rotation type nitrogen gas sealing device, through the compliance of compensator self, make the stationary ring follow-up ring move, make the radial deformation of gyration barrel, axial deformation, hoop deformation and the deflection deformation do not all influence sealed effect to utilize nitrogen gas to carry out the secondary seal through the pipeline of design at the operation in-process, along with two friction surfaces constantly rub the laminating at the gyration barrel operation in-process, the leakproofness is better and better.

(2) This be used for industrial kiln rotation type nitrogen gas sealing device, it is simple firm, it is convenient to maintain, and is not fragile, operation maintenance low cost need not to change the accessory, and friction seal installs two sets of circumference packings, and the inside of stationary ring sets up two sets of circumference packings and nitrogen gas compensation mouth formation one nitrogen gas seal cavity, and nitrogen gas forms as the sealed automatic replenishment of second grade between two sets of circumference packings and moves to nitrogen gas seal cavity, and two sets of circumference packings are equivalent to automatically forming three circumference seal in addition.

Drawings

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

fig. 2 is an enlarged schematic view of a point a in fig. 1 according to the present invention.

In the figure: 1. a feeding end; 2. positioning the flange; 3. a compensator; 4. fixing a ring; 5. a nitrogen gas compensation port; 6. a circumferential packing; 7. a moving ring; 8. a fixed flange; 9. fixing a nut; 10. adjusting the spring; 11. a rotary cylinder; 12. a limiting groove.

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.

As shown in fig. 1-2, the utility model provides a technical solution: a rotary nitrogen sealing device for an industrial kiln comprises a feed end 1, a positioning flange 2, a compensator 3, a fixed ring 4, a nitrogen compensation port 5, a circumferential packing 6, a movable ring 7, a fixed flange 8, a fixed nut 9, an adjusting spring 10, a rotary cylinder 11 and a limiting groove 12, wherein the positioning flange 2 is fixed on both sides of the feed end 1, the feed end 1 is positioned at the left side of the compensator 3, the right side of the compensator 3 is provided with a fixed ring 4, the fixed ring 4 is tightly connected with a movable ring 7, a nitrogen compensation port 5 is arranged inside the fixed ring 4, two groups of circumferential packing 6 are arranged in the gap between the fixed ring 4 and the movable ring 7, the right end of the movable ring 7 is provided with a fixed flange 8, the outer side of the fixed flange 8 is provided with a fixed nut 9, an adjusting spring 10 is sleeved outside the fixing nut 9, the fixing flange 8 is positioned at one end of the rotary cylinder body 11, and the outer end of the fixed ring 4 is positioned inside the limiting groove 12;

the compensator 3 is made of a combination material of a fire-resistant fiber blanket and fluororubber, so that the compensator 3 has certain flexibility;

the left side of the fixed ring 4 is fixed with the compensator 3 through a bolt, so that the connection of the device is more stable;

the fixed ring 4 and the movable ring 7 are made of carbon steel, so that the device is firmer and has longer service life.

When the device is used, nitrogen is added into the device through the nitrogen compensation port 5, then the top parts of the fixed flange 8 and the fixed ring 4 are fixed by the fixing nut 9 and the adjusting spring 10, then the compensator 3 has flexibility because of the material problem of the compensator 3, the fixed ring 4 moves along with the movable ring 7 by the flexible structure, the radial deformation, the axial deformation, the circumferential deformation and the deflection deformation of the rotary cylinder 11 do not influence the sealing effect, in addition, secondary sealing is carried out by utilizing the nitrogen through the designed nitrogen compensation port 5 in the operation process, the device is simple and reliable, the cost is low, and meanwhile, the content which is not described in detail in the specification belongs to the prior art known by professional technicians in the field.

In conclusion, the rotary nitrogen sealing device for the industrial kiln is obtained, the fixed ring 4 moves along with the follower ring 7 through the flexibility of the compensator 3, the radial deformation, the axial deformation, the annular deformation and the deflection deformation of the rotary cylinder body 11 do not influence the sealing effect, and secondary sealing is carried out by nitrogen through the designed nitrogen compensation port 5 in the operation process, along with the continuous friction and the joint of the two friction surfaces in the running process of the rotary cylinder body 11, the sealing performance is better and better, the operation and the maintenance are simple and firm, the maintenance is convenient, the damage is not easy, the operation and the maintenance cost is low, the replacement of accessories is not needed, and friction seal installs two sets of circumference packing 6, and the inside of stationary ring 4 sets up two sets of circumference packing 6 and nitrogen gas compensation mouth 5 and forms a nitrogen gas seal chamber, and nitrogen gas is as the automatic replenishment of second grade and forms between two sets of circumference packing 6 and move to the nitrogen gas seal chamber, and two sets of circumference packing 6 are equivalent to automatically forming three circumference and seal in addition.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A rotary nitrogen sealing device for industrial kilns, comprising a feed end (1), characterized in that: the utility model discloses a rotary compensator, including feed end (1), stationary ring (4), movable ring (7), nitrogen gas compensation mouth (5), two sets of circumference packing (6) are installed in the clearance of stationary ring (4) and movable ring (7), the right-hand member of movable ring (7) is provided with mounting flange (8), and mounting flange (9) are installed in the outside of mounting flange (8) to the outside cover of mounting nut (9) has adjusting spring (10), mounting flange (8) are located the one end of gyration barrel (11), the outer end of stationary ring (4) is located the inside of spacing groove (12).

2. The rotary nitrogen sealing device for the industrial kiln as claimed in claim 1, wherein: the compensator (3) is made of a combination material of a fire-resistant fiber blanket and fluororubber.

3. The rotary nitrogen sealing device for the industrial kiln as claimed in claim 1, wherein: the left side of the fixed ring (4) is fixed with the compensator (3) through a bolt.

4. The rotary nitrogen sealing device for the industrial kiln as claimed in claim 1, wherein: the fixed ring (4) and the movable ring (7) are made of carbon steel.