CN216431731U - Solid waste disposal rotary furnace head sealing device - Google Patents
Solid waste disposal rotary furnace head sealing device Download PDFInfo
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- CN216431731U CN216431731U CN202122395962.XU CN202122395962U CN216431731U CN 216431731 U CN216431731 U CN 216431731U CN 202122395962 U CN202122395962 U CN 202122395962U CN 216431731 U CN216431731 U CN 216431731U
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Abstract
The utility model provides a solid useless processing rotary furnace head sealing device relates to solid useless processing technology field. The head sealing device of the solid waste disposal rotary furnace comprises a rotary furnace cylinder body (1), a cold air sleeve (4), a replaceable friction sleeve (5), a labyrinth seal (6), a herringbone seal (7), a material returning device (9) and a tightening device (10), wherein the replaceable friction sleeve (5) is a split type arc-shaped wear-resistant bushing, the labyrinth seal (6) is arranged beside the cold air sleeve (4) and the replaceable friction sleeve (5), the herringbone seal (7) is an elastic bidirectional seal lamination, the front sealing surface and the back sealing surface of the herringbone seal are both contacted with the replaceable friction sleeve (5), the material returning device (9) is arranged at the bottom of the rotary furnace cylinder body (1), and the tightening device (10) is composed of a steel wire rope and a fixed pulley. The utility model solves the technical problems of material leakage and air leakage of the head part of the rotary furnace.
Description
Technical Field
The utility model relates to a deal with technical field useless admittedly, concretely relates to deal with rotary furnace head sealing device useless admittedly.
Background
The rotary furnace is an inclined rotary combustion device for efficiently disposing solid wastes, and mainly aims to perform harmless disposal of various solid wastes under the condition of introducing high-temperature tertiary air of a cement kiln system to generate a high-temperature environment so as to realize resource recycling. The head of the rotary furnace is connected with the decomposing furnace, and a reliable sealing device for the head of the rotary furnace is essential in order to meet a series of requirements on safety, continuous work, reduction of energy damage and the like.
In patent CN202011068259.1, a special seal for a pyrolysis reactor of waste tires is disclosed; the method is characterized in that: the device comprises a water tank, a moving ring friction pair, a static ring friction pair, a spiral spring pressing device and a water-cooling discharge pipe, wherein the moving ring friction pair is designed on a discharge disc body, the static ring friction pair is designed into a wedge shape, and the spiral spring pressing device can provide axial and radial compensation for the wedge-shaped friction ring; the static ring friction pair comprises a wedge-shaped friction ring and an overlapped blade spring, wherein the wedge-shaped friction ring consists of trisection valve parting rings; the overlapped blade spring comprises an inner ring, an outer ring and plates, 40-200 rectangular plates with the same specification are evenly distributed in an involute-like manner around the circle of the inner ring, each plate is provided with a connecting hole, every two overlapping grid plate curtain belts are formed in a string mode through a hinge, and the trisection of the inner ring is tightly attached and fixed to the outer circular wall of the wedge-shaped friction ring.
In patent CN200710020435.2, a fully sealed atmosphere protected high temperature continuous calcination rotary furnace is disclosed, which comprises a furnace tube, a feeding device and a discharging device, wherein one end of the furnace tube is connected with a furnace head box, the other end is connected with a furnace tail box, the feeding device passes through the furnace head box and is communicated with the furnace tube, the discharging device is communicated with the furnace tail box, a heating device is further arranged below the furnace tube, and rotary sealing components are further arranged at two ends of the furnace tube. This patent can rotate the movive seal, has solved the material and isolated with the air when high temperature calcines in succession, has realized that the material can be isolated with the air and high temperature calcine in succession under the condition of atmosphere protection.
Patent CN201020635442.0 discloses a dynamic sealing device for large rotary furnace, which comprises a pair of spherical outside surface sealing flanges, a sealing ring is arranged between the pair of flanges, a shell is arranged outside the pair of flanges, and the shell is connected with a bearing support seat, a flange H and a flange E. The static end outer spherical surface sealing flange, the flange E, the shell C and the flange F form a whole, and the flange F is fixed at the furnace end or the furnace tail. The sealed flange of rotation end insert face is together fixed with flange D, casing A, flange C, and flange A fixes on the boiler tube, evenly configures several axle A on it, and axle A is equipped with the sleeve pipe outward, and the cover has the pressure spring on the axle A, and the pressure spring other end passes through axle B to be installed on flange B, its characterized in that: two sets of balance weight wheel trains are symmetrically arranged along the axis direction of the furnace tube, the balance weight support is fixed on the furnace body, a fixed pulley is arranged on the balance weight support, a steel rope is arranged on the fixed pulley, one end of the steel rope is hung with a balance weight, the other end of the steel rope is connected on a fixing hole of a sliding bearing, and the sliding bearing is fixed on the furnace end or the furnace tail. The sealing device can effectively reduce the requirement on the processing precision of the furnace tube, thereby reducing the cost.
In patent CN201510848576.8, a rotary furnace is disclosed, which comprises a roller, wherein the feed end of the roller is higher than the discharge end of the roller, and the rotary furnace further comprises: the feeding device is in rotary sealing communication with the feeding end of the roller; the discharging device is in rotary sealing communication with the discharging end of the roller; the driving device is arranged outside the roller and used for driving the roller to swing around the rotation axis of the roller in a reciprocating manner; the supporting device is arranged outside the roller and used for rotatably supporting the roller; and the control device is connected with the driving device through a lead and is used for controlling the reciprocating swing radian of the roller. Because the roller only swings in a certain radian and does not rotate in a single direction, a device or a pipeline for process treatment can be arranged on the outer wall of the roller, the swinging of the roller is not limited, and the roller is more favorable for the treatment of heating, cooling, reaction and the like of materials.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a solid useless processing gyratory furnace head sealing device. By arranging the replaceable friction sleeve, the labyrinth seal, the herringbone seal, the material returning device and the tightening device, the technical problems of material leakage and air leakage at the head part of the rotary furnace are solved.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides a gu useless processing rotary furnace head sealing device, includes rotary furnace barrel, cold wind cover, interchangeable formula friction sleeve, labyrinth seal, chevron shape are sealed, feed back device and tightening means, wherein:
the head of the rotary furnace cylinder is connected with the decomposing furnace;
the cold air sleeve is fixedly arranged at the head of the rotary furnace cylinder;
the cold air sleeve is composed of a plurality of butt plates with arc-shaped structures;
the replaceable friction sleeve is a split arc-shaped wear-resistant bushing;
the replaceable friction sleeve is fixedly arranged outside the cold air sleeve, so that the surface of the cold air sleeve can be prevented from being abraded;
labyrinth seals are arranged beside the cold air sleeve and the replaceable friction sleeve;
the herringbone seal is an elastic bidirectional sealing lamination;
the herringbone seal is fixedly arranged on a fixed flange plate on the decomposing furnace;
the positive and negative sealing surfaces of the herringbone seal are contacted with the replaceable friction sleeve, so that double sealing is realized, and air leakage can be effectively prevented;
the feed back device is arranged at the bottom of the rotary furnace cylinder and is fixedly arranged on the labyrinth seal, and when a small amount of flying sand material enters the labyrinth seal, the flying sand material can enter the smoke chamber through the feed back device below the labyrinth seal, so that the completeness of each sealing device is ensured;
a tightening device is arranged outside the herringbone seal, so that cold air can be prevented from entering the decomposing furnace;
the tightening device consists of a steel wire rope and a fixed pulley.
Optionally or preferably, the rotary hearth furnace barrel is of a cylindrical barrel structure, and the rotary hearth furnace barrel is obliquely installed and fixed on the base through a riding wheel.
Alternatively or preferably, the replaceable friction sleeve is pressed on the annular surface of the cold air sleeve through bolts, and when the replaceable friction sleeve is worn, the replaceable friction sleeve is easy to replace.
Alternatively or preferably, the labyrinth seal comprises at least two 180 ° folds.
Alternatively or preferably, the chevron seal is made of ZG40Cr25Ni 20.
Optionally or preferably, the steel wire rope counterweight of the tightening device is 10-15 kg.
Based on the technical scheme, the following technical effects can be generated:
the utility model provides a pair of solid useless processing rotary furnace head sealing device is applicable to the sealed between rotary furnace and the dore furnace. The beneficial effects of the utility model include:
(1) the replaceable friction sleeve made of wear-resistant materials is arranged outside the cold air sleeve, so that the surface of the cold air sleeve can be prevented from being worn;
(2) the replaceable friction sleeve of the utility model is pressed tightly on the annular surface of the cold air sleeve through the bolt, and is easy to replace when the replaceable friction sleeve is worn;
(3) the positive and negative sealing surfaces of the herringbone seal of the utility model are contacted with the replaceable friction sleeve, thereby realizing double sealing and effectively preventing air leakage;
(4) the utility model is provided with the feed back device at the bottom of the rotary furnace cylinder, when a small amount of flying sand material enters the labyrinth seal, the flying sand material can enter the smoke chamber through the feed back device below the labyrinth seal, thereby ensuring the integrity of each sealing device;
(5) the utility model discloses a tightening means that chevron shape is sealed to be made through the wire rope ring compresses tightly on interchangeable formula friction cover, can guarantee sealed reliability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the rotary kiln cylinder of the present invention;
fig. 2 is a schematic structural view (front view) of the head of the rotary kiln of the present invention;
fig. 3 is a schematic structural view (right side view) of the head of the rotary kiln of the present invention;
the reference numbers in the figures are:
1-a rotary furnace cylinder, 2-a riding wheel, 3-a base, 4-a cold air sleeve, 5-a replaceable friction sleeve, 6-a labyrinth seal, 7-a herringbone seal, 8-a decomposing furnace, 9-a material returning device and 10-a tightening device.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
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 efforts belong to the protection scope of the present invention.
As shown in fig. 1-3:
example 1:
the embodiment provides a solid useless treatment rotary furnace head sealing device, including rotary furnace barrel 1, cold wind cover 4, interchangeable formula friction sleeve 5, labyrinth seal 6, chevron shape is sealed 7, feed back device 9 and tightening means 10, wherein:
the head of the rotary furnace cylinder body 1 is connected with a decomposing furnace 8;
the cold air jacket 4 is fixedly arranged at the head of the rotary furnace cylinder 1;
the cold air sleeve 4 is composed of two butt-joint plates with arc-shaped structures;
the replaceable friction sleeve 5 is a split arc-shaped wear-resistant bushing;
the replaceable friction sleeve 5 is fixedly arranged outside the cold air sleeve 4;
the herringbone seal 7 is a bidirectional sealing lamination with elasticity;
the herringbone seal 7 is arranged and fixed on a fixed flange plate on the decomposing furnace 8;
the front sealing surface and the back sealing surface of the herringbone sealing 7 are both contacted with the replaceable friction sleeve 5;
the feed back device 9 is arranged at the bottom of the rotary furnace cylinder 1;
the feed back device 9 is fixedly arranged on the labyrinth seal 6;
a tightening device 10 is arranged outside the herringbone seal 7;
the tightening device 10 is composed of a wire rope and a plurality of fixed pulleys.
In this embodiment, the rotary furnace cylinder 1 is a cylindrical cylinder structure, and the rotary furnace cylinder 1 is obliquely installed and fixed on the base 3 through the riding wheel 2.
In the present embodiment, the replaceable friction sleeve 5 is press-fitted on the annular surface of the cold air sleeve 4 by bolts.
In this embodiment, the labyrinth seal 6 includes two 180 ° folds.
In the present embodiment, the chevron seal 7 is made of ZG40Cr25Ni 20.
In this embodiment, the steel wire rope weight of the tightening device 10 is 10 kg.
The present embodiment has the following advantages:
(1) the replaceable friction sleeve 5 made of wear-resistant materials is arranged outside the cold air sleeve 4, so that the surface of the cold air sleeve 4 can be prevented from being worn;
(2) the replaceable friction sleeve 5 of the embodiment is pressed on the annular surface of the cold air sleeve 4 through a bolt, and when the replaceable friction sleeve 5 is worn, the replaceable friction sleeve is easy to replace;
(3) the positive and negative sealing surfaces of the herringbone seal 7 of the embodiment are in contact with the replaceable friction sleeve 5, so that double sealing is realized, and air leakage can be effectively prevented;
(4) in the embodiment, the material returning device 9 is arranged at the bottom of the rotary furnace cylinder 1, and when a small amount of flying sand material enters the labyrinth seal 6, the flying sand material can enter the smoke chamber through the material returning device 9 below the labyrinth seal 6, so that the completeness of each sealing device is ensured;
(5) the chevron seal 7 of the present embodiment is pressed against the replaceable friction sleeve 5 by a tightening device 10 made of a wire rope loop, which ensures the reliability of the seal.
Example 2:
the embodiment provides a solid waste disposal rotary furnace head sealing device, including rotary furnace barrel 1, cold wind cover 4, interchangeable formula friction sleeve 5, labyrinth seal 6, chevron shape seal 7, feed back device 9 and tightening means 10, wherein, with embodiment 1's difference lie in:
in the embodiment, the head of the rotary furnace cylinder 1 is connected with the decomposing furnace 8 through a bolt;
in this embodiment, the cold air jacket 4 is composed of two butt plates with arc structures, and the two butt plates have the same size and are arranged outside the cyclone furnace cylinder 1;
in the embodiment, the labyrinth seal 6 is arranged at the joint of the rotary furnace cylinder 1 and the decomposing furnace 8, is positioned beside the cold air sleeve 4 and the replaceable friction sleeve 5, and can be used as a circulation channel of powder;
in this embodiment, the chevron seal 7 is an elastic bidirectional sealing lamination, and forms a chevron structure;
in the embodiment, the front sealing surface and the back sealing surface of the herringbone sealing 7 are in metal-metal hard contact with the replaceable friction sleeve 5;
in this embodiment, the tightening device 10 is composed of a steel cable and two fixed pulleys.
In this embodiment, the labyrinth seal 6 includes three 180 ° folds.
In this embodiment, the steel wire rope weight of the tightening device 10 is 15 kg.
In this embodiment, the fixed pulley is fixed to a steel frame that is provided separately from the apparatus.
The embodiment has the following advantages:
(1) the replaceable friction sleeve 5 made of wear-resistant materials is arranged outside the cold air sleeve 4, so that the surface of the cold air sleeve 4 can be prevented from being worn;
(2) the replaceable friction sleeve 5 of the embodiment is pressed on the annular surface of the cold air sleeve 4 through a bolt, and when the replaceable friction sleeve 5 is worn, the replaceable friction sleeve is easy to replace;
(3) the positive and negative sealing surfaces of the herringbone seal 7 of the embodiment are in contact with the replaceable friction sleeve 5, so that double sealing is realized, and air leakage can be effectively prevented;
(4) in the embodiment, the material returning device 9 is arranged at the bottom of the rotary furnace cylinder 1, and when a small amount of flying sand material enters the labyrinth seal 6, the flying sand material can enter the smoke chamber through the material returning device 9 below the labyrinth seal 6, so that the completeness of each sealing device is ensured;
(5) the chevron seal 7 of the present embodiment is pressed against the replaceable friction sleeve 5 by a tightening device 10 made of a wire rope loop, which ensures the reliability of the seal.
Example 3:
the embodiment provides a solid waste disposal rotary furnace head sealing device, including rotary furnace barrel 1, cold wind cover 4, interchangeable formula friction sleeve 5, labyrinth seal 6, chevron shape seal 7, feed back device 9 and tightening means 10, wherein, with embodiment 1's difference lie in:
in this embodiment, the cold air jacket 4 is composed of three butt plates with arc structures, each butt plate has the same size and is arranged outside the cyclone furnace cylinder 1;
in the embodiment, the herringbone seal 7 is an elastic bidirectional sealing lamination, and a herringbone structure is formed by welding and processing the sealing sheets;
in this embodiment, the tightening device 10 is composed of a steel cable and two fixed pulleys.
In this embodiment, the labyrinth seal 6 includes three 180 ° folds.
In this embodiment, the steel wire rope weight of the tightening device 10 is 12.5 kg.
In this embodiment, the fixed pulley is mounted and fixed on a steel frame which is additionally formed on the device.
The embodiment has the following advantages:
(1) the replaceable friction sleeve 5 made of wear-resistant materials is arranged outside the cold air sleeve 4, so that the surface of the cold air sleeve 4 can be prevented from being worn;
(2) the replaceable friction sleeve 5 of the embodiment is pressed on the annular surface of the cold air sleeve 4 through a bolt, and when the replaceable friction sleeve 5 is worn, the replaceable friction sleeve is easy to replace;
(3) the positive and negative sealing surfaces of the herringbone seal 7 of the embodiment are in contact with the replaceable friction sleeve 5, so that double sealing is realized, and air leakage can be effectively prevented;
(4) in the embodiment, the material returning device 9 is arranged at the bottom of the rotary furnace cylinder 1, and when a small amount of flying sand material enters the labyrinth seal 6, the flying sand material can enter the smoke chamber through the material returning device 9 below the labyrinth seal 6, so that the completeness of each sealing device is ensured;
(5) the chevron seal 7 of the present embodiment is pressed against the replaceable friction sleeve 5 by a tightening device 10 made of a wire rope loop, which ensures the reliability of the seal.
The structures, functions, and connections disclosed herein may be implemented in other ways. For example, the embodiments described above are merely illustrative, and for example, the replaceable friction sleeve, labyrinth seal, and chevron seal may have other arrangements, e.g., multiple components may be combined or integrated with one another; in addition, functional components in the embodiments herein may be integrated into one functional component, or each functional component may exist alone physically, or two or more functional components may be integrated into one functional component.
The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (7)
1. The utility model provides a gu useless processing gyratory furnace head sealing device which characterized in that: including gyratory furnace barrel (1), cold wind cover (4), interchangeable formula friction sleeve (5), labyrinth seal (6), chevron shape are sealed (7), feed back device (9) and tightening means (10), wherein:
the head of the rotary furnace cylinder body (1) is connected with the decomposing furnace (8);
the cold air sleeve (4) is fixedly arranged at the head of the rotary furnace cylinder body (1);
the replaceable friction sleeve (5) is a split arc-shaped wear-resistant lining and is fixedly arranged outside the cold air sleeve (4);
labyrinth seals (6) are arranged beside the cold air sleeve (4) and the replaceable friction sleeve (5);
the herringbone seal (7) is an elastic bidirectional sealing lamination and is arranged and fixed on a fixed flange plate on the decomposing furnace (8);
the front sealing surface and the back sealing surface of the herringbone seal (7) are both contacted with the replaceable friction sleeve (5);
the feed back device (9) is arranged at the bottom of the rotary furnace cylinder (1) and is fixedly arranged on the labyrinth seal (6);
a tightening device (10) is arranged outside the herringbone seal (7);
the tightening device (10) is composed of a steel wire rope and a fixed pulley.
2. The solid waste disposal rotary kiln head sealing device of claim 1, wherein: the rotary furnace cylinder body (1) is of a cylindrical cylinder structure, and the rotary furnace cylinder body (1) is obliquely installed and fixed on the base (3) through the riding wheel (2).
3. The solid waste disposal rotary kiln head sealing device of claim 1, wherein: the cold air jacket (4) is composed of a plurality of butt-joint plates with arc-shaped structures.
4. The solid waste disposal rotary kiln head sealing device of claim 1, wherein: the replaceable friction sleeve (5) is pressed on the annular surface of the cold air sleeve (4) through a bolt.
5. The solid waste disposal rotary kiln head sealing device of claim 1, wherein: the labyrinth seal (6) comprises at least two 180 DEG folded structures.
6. The solid waste disposal rotary kiln head sealing device of claim 1, wherein: the chevron seal (7) is made of ZG40Cr25Ni 20.
7. The solid waste disposal rotary hearth furnace head seal apparatus of claim 1, wherein: the steel wire rope counterweight of the tightening device (10) is 10-15 kg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122395962.XU CN216431731U (en) | 2021-09-30 | 2021-09-30 | Solid waste disposal rotary furnace head sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122395962.XU CN216431731U (en) | 2021-09-30 | 2021-09-30 | Solid waste disposal rotary furnace head sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216431731U true CN216431731U (en) | 2022-05-03 |
Family
ID=81330255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122395962.XU Active CN216431731U (en) | 2021-09-30 | 2021-09-30 | Solid waste disposal rotary furnace head sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216431731U (en) |
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2021
- 2021-09-30 CN CN202122395962.XU patent/CN216431731U/en active Active
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