CN218973256U - Ash discharging structure of flue and sintering machine - Google Patents
Ash discharging structure of flue and sintering machine Download PDFInfo
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- CN218973256U CN218973256U CN202320006416.9U CN202320006416U CN218973256U CN 218973256 U CN218973256 U CN 218973256U CN 202320006416 U CN202320006416 U CN 202320006416U CN 218973256 U CN218973256 U CN 218973256U
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Abstract
The utility model provides an ash discharging structure of a flue and a sintering machine, wherein the ash discharging structure comprises a chute, a ceramic pipe and an ash discharging piece, one end of the chute is detachably connected to the bottom of a discharge hole of the flue, the other end of the chute is fixedly connected with the ash discharging piece through the ceramic pipe, and the ash discharging piece is used for controlling the amount of ash in the flue. According to the utility model, the ash discharging structure with the cooperation of the chute, the ceramic pipe and the ash discharging piece is designed, so that the ash discharging structure is particularly suitable for a flue of a sintering machine, the service life of a chute notch of the flue can be greatly prolonged to 10 months, the air leakage rate of the sintering machine can be reduced, the power consumption of a main sintering exhaust fan is reduced, the repair welding labor intensity of workers is reduced, and the ash discharging structure is suitable for industrial popularization.
Description
Technical Field
The utility model belongs to the technical field of design of a chute notch of a flue of a sintering machine, and relates to an ash discharging structure of a flue and the sintering machine.
Background
In the unloading process of the flue of the sintering machine, the pipe connected from the bottom of the dust fall hopper to the double-layer dust unloading valve is easy to block and abrade fast, is difficult to process, causes serious air leakage and has a certain influence on production stability.
CN207035829U discloses a blocking-proof wear-resistant sintering machine flue dust fall hopper discharging device, which comprises a flue dust fall hopper, an observation manhole, a flange, a double-layer dust discharge valve and a belt conveyor, wherein a discharge hole at the lower end of the flue dust fall hopper is communicated with the flange and the double-layer dust discharge valve through a stepped chute, and a supporting pipe is vertically arranged between the bottom surface of the stepped chute and the ground. The utility model can solve the problems of blockage and abrasion frequently occurring in the unloading process of the flue dust hopper of the sintering machine, and greatly reduces the maintenance and air leakage of the connecting part between the flue dust hopper of the sintering machine and the double-layer dust valve at present.
CN211099343U discloses a vertical mill slag discharging chute air locking structure, which comprises a slag discharging chute, wherein a valve plate is arranged at a notch of the slag discharging chute and comprises a self-closing big valve plate and a self-closing small valve plate, a first hinged support is arranged on the slag discharging chute, the first hinged support is hinged with a first L-shaped swing arm through a rotating shaft, the first swing arm is connected with the self-closing big valve plate, and the self-closing big valve plate can rotate around the rotating shaft on the first hinged support through the first L-shaped swing arm; the lower part of the self-closing large valve plate is provided with a second hinged support, the second hinged support is connected with a second L-shaped swing arm through a rotating shaft, the second L-shaped swing arm is connected with a self-closing small valve plate, and the self-closing small valve plate can rotate around the rotating shaft on the second hinged support through the second L-shaped swing arm; the self-closing large valve plate and the self-closing small valve plate rotate around corresponding rotating shafts under the action of self gravity to seal the notch of the slag discharge chute.
CN212387108U discloses a lower part chute air locking structure of glassware, including the chute, the notch of chute is equipped with the throat structure, the throat structure includes throat board and lower throat board, go up throat board and lower throat board respectively with the upper edge and the lower edge rigid coupling of notch, the outside of going up throat board and lower throat board is equipped with rectangular self-closing valve plate, the outside on self-closing valve plate upper portion is equipped with vertical connecting rod, the upper end and the horizontal round pin hub connection of connecting rod, the both ends of round pin hub are articulated with the hinge support respectively, the hinge support rigid coupling is in the outside of last throat board.
However, in the prior art, only the problem of abrasion of the flue is solved, the service life of the chute of the flue is not considered, and a means for reducing the power consumption of the sintering main exhaust fan is not provided in a targeted manner, so that the ash discharging structure of the flue is required to be designed so as to overcome the defects of the prior art and meet the requirements of actual industrial production.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide an ash discharging structure of a flue and a sintering machine, and in the utility model, the ash discharging structure which is matched with a chute, a ceramic pipe and an ash discharging piece is designed, so that the ash discharging structure is particularly suitable for the flue of the sintering machine, the service life of a chute opening of the flue can be prolonged to 10 months to the greatest extent, the air leakage rate of the sintering machine can be reduced, the power consumption of a sintering main exhaust fan is reduced, the repair welding labor intensity of workers is reduced, and the ash discharging structure is suitable for industrial popularization.
To achieve the purpose, the utility model adopts the following technical scheme:
in a first aspect, the utility model provides an ash discharging structure of a flue, the ash discharging structure comprises a chute, a ceramic pipe and an ash discharging piece, one end of the chute is detachably connected to the bottom of a discharge hole of the flue, the other end of the chute is fixedly connected with the ash discharging piece through the ceramic pipe, and the ash discharging piece is used for controlling the amount of ash in the discharged flue.
According to the utility model, the ash discharging structure with the cooperation of the chute, the ceramic pipe and the ash discharging piece is designed, so that the ash discharging structure is particularly suitable for a flue of a sintering machine, the service life of a chute notch of the flue can be greatly prolonged to 10 months, the air leakage rate of the sintering machine can be reduced, the power consumption of a main sintering exhaust fan is reduced, the repair welding labor intensity of workers is reduced, and the ash discharging structure is suitable for industrial popularization.
It is to be noted that the utility model can achieve the effects of prolonging the service life of the flue chute opening to 10 months, reducing the air leakage rate of the sintering machine, reducing the power consumption of the sintering main exhaust fan and reducing the repair welding labor intensity of workers just by the matched use of the chute, the ceramic tube and the ash discharging piece.
It should be noted that the chute is used for discharging, so the material and the size of the chute are not particularly limited, and a person skilled in the art can adaptively adjust the chute, wherein the material of the chute can be a metal material.
It should be noted that the specific manner of "detachable connection" is not particularly limited in the present utility model, and those skilled in the art may adapt the method, wherein the detachable connection may be an adhesive connection, a bolting connection, or the like.
It should be noted that the specific manner of "fixed connection" is not particularly limited in the present utility model, and those skilled in the art may adapt the method, wherein the detachable connection may be welding, riveting, etc.
As a preferable technical scheme of the utility model, the ceramic tube comprises a steel tube and a ceramic layer fully covered on the outer surface of the steel tube.
The ceramic tube is a matched structure for replacing a flange and a steel tube arranged at a chute opening of a traditional sintering machine, so that the air leakage rate of the sintering machine can be further reduced, and the service life of the chute can be prolonged.
Preferably, the ceramic layer is fixedly adhered to the outer surface of the steel pipe.
It should be noted that the specific structural arrangement of the ceramic layer and the steel pipe in the utility model is not limited, and those skilled in the art can adaptively adjust, and the ceramic layer can be bonded on the steel pipe or be a complete ceramic pipe, wherein the specific material of the ceramic layer comprises Al 2 O 3 ：≥92％。
In a preferred embodiment of the present utility model, the inner diameter of the steel pipe is 530 to 540mm, and may be 530mm, 531mm, 532mm, 533mm, 534mm, 535mm, 536mm, 537mm, 538mm, 539mm, 540mm, for example, but not limited to the above-mentioned values, and other values not shown in the above-mentioned numerical range are equally applicable.
The utility model limits the inner diameter of the steel pipe to 530-540 mm, because the grate bars frequently drop in the running process of the trolley, wherein the size of the grate bars is 495mm, if the size of the grate bars is not in the numerical range limited by the utility model, the dropped grate bars can cause the falling grate bars to bet on the chute, and the normal unloading can not be realized.
In a preferred embodiment of the present utility model, the length of the steel pipe is 500 to 510mm, for example, 500mm, 501mm, 502mm, 503mm, 504mm, 505mm, 506mm, 507mm, 508mm, 509mm, 510mm, but the present utility model is not limited to the above-mentioned values, and other values not mentioned in the above-mentioned value range are applicable.
The length of the steel pipe is 500-510 mm, and the steel pipe is too long, so that the steel pipe is not easy to install and the construction amount is large because the cleaning manhole and the reconstruction installation construction amount are arranged on one side of the chute, and the position of the manhole is required to be adjusted if the steel pipe is not in the numerical range limited by the steel pipe.
In a preferred embodiment of the present utility model, the thickness of the steel pipe is 10 to 12mm, for example, 10mm, 10.2mm, 10.4mm, 10.6mm, 10.8mm, 11mm, 11.2mm, 11.4mm, 11.6mm, 11.8mm, 12mm, but the present utility model is not limited to the above-mentioned values, and other values not shown in the above-mentioned numerical ranges are equally applicable.
The thickness of the steel pipe is limited to 10-12 mm, and the steel pipe and the ash discharge valve are guaranteed to be connected, if the steel pipe and the ash discharge valve are not in the numerical range limited by the utility model, the pipeline deformation ceramic lining plate can be caused to fall off.
In a preferred embodiment of the present utility model, the ceramic layer has a thickness of 20 to 22mm, for example, 20mm, 20.2mm, 20.4mm, 20.6mm, 20.8mm, 21mm, 21.2mm, 21.4mm, 21.6mm, 21.8mm, 22mm, but the present utility model is not limited to the above-mentioned values, and other values not shown in the above-mentioned numerical range are equally applicable.
The thickness of the ceramic layer is limited to 20-22 mm, because the service life of the ceramic tube and the impact damage of heavy objects such as the grate bar are ensured, and if the ceramic layer is not in the numerical range limited by the utility model, the service life can not reach more than 1 year, and the material impact damage ceramic layer falls off.
As a preferable technical scheme of the utility model, the chute is of a hollow structure and comprises a large-diameter end and a small-diameter end, wherein the large-diameter end is detachably connected to the bottom of a discharge hole of a flue, and the small-diameter end is fixedly connected with one end of the ceramic tube.
The chute structure is limited by the utility model, because the round pipe is convenient to install, and forms ladder abrasion resistance and uniform size with the upper part, if the chute structure is not adopted, the construction amount is large, the abrasion resistance is not realized, and the size is not uniform and attractive.
As a preferred embodiment of the present utility model, the small diameter end and one end of the ceramic tube are welded.
As a preferable technical scheme of the utility model, the ash discharging piece comprises an ash discharging pipeline and at least two ash discharging valves arranged on the ash discharging pipeline, and the inner diameter of the ash discharging pipeline is the same as the inner diameter of the ceramic pipe.
The utility model adopts at least two ash discharging valves, which can ensure low air leakage rate of the sintering machine, and especially can greatly prolong the service life of the flue chute mouth by being matched with the ceramic tube welded in the utility model. The size, material and specific structure of the ash discharging valve are not particularly limited by the person skilled in the art, and the person skilled in the art can adjust the ash discharging valve adaptively, wherein the ash discharging valve can be a general opening and closing valve.
In a second aspect, the present utility model provides a sintering machine comprising the dust exhaust structure of the flue of the first aspect.
The sintering machine according to the present utility model is well known to those skilled in the art, that is, it is satisfied that the sintering machine according to the present utility model can be applied to the present application, and the specific configuration of the sintering machine is not particularly limited.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the ash discharging structure with the cooperation of the chute, the ceramic pipe and the ash discharging piece is designed, so that the ash discharging structure is particularly suitable for a flue of a sintering machine, the service life of a chute notch of the flue can be greatly prolonged to 10 months, the air leakage rate of the sintering machine can be reduced, the power consumption of a main sintering exhaust fan is reduced, the repair welding labor intensity of workers is reduced, and the ash discharging structure is suitable for industrial popularization.
Drawings
FIG. 1 is a schematic view of an ash discharge structure of a flue according to an embodiment of the present utility model;
wherein, 1-chute; 2-ceramic tube; 3-an ash valve; 4-ash discharging pipeline; 5-flue.
Detailed Description
It is to be understood that in the description of the present utility model, the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus are not to be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
It should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
It will be appreciated by those skilled in the art that the present utility model necessarily includes the necessary piping, conventional valves and general pumping equipment for achieving the process integrity, but the foregoing is not a major inventive aspect of the present utility model, and that the present utility model is not particularly limited thereto as the layout may be added by themselves based on the process flow and the equipment configuration options.
The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.
In a specific embodiment, the utility model provides an ash discharging structure of a flue 5, as shown in fig. 1, wherein the ash discharging structure comprises a chute 1, a ceramic tube 2 and an ash discharging piece, one end of the chute 1 is detachably connected to the bottom of a discharge hole of the flue 5, and the other end of the chute 1 is fixedly connected with the ash discharging piece through the ceramic tube 2 and is used for controlling the ash discharging amount in the flue 5.
According to the utility model, the ash discharging structure with the cooperation of the chute 1, the ceramic tube 2 and the ash discharging part is designed, so that the ash discharging structure is particularly suitable for the flue 5 of the sintering machine, the service life of the chute 1 opening of the flue 5 can be greatly prolonged to 10 months, the air leakage rate of the sintering machine can be reduced, the power consumption of a main sintering exhaust fan is reduced, the repair welding labor intensity of workers is reduced, and the ash discharging structure is suitable for industrial popularization.
It should be noted that, in the utility model, the chute 1, the ceramic tube 2 and the ash discharging piece are matched for use, so that the service life of the chute 1 opening of the flue 5 can be prolonged to 10 months, the air leakage rate of the sintering machine can be reduced, the power consumption of the sintering main exhaust fan can be reduced, and the repair welding labor intensity of workers can be reduced.
The chute 1 of the present utility model is used for discharging, so the material and the size of the chute 1 are not particularly limited, and those skilled in the art can adaptively adjust the material of the chute 1, wherein the material of the chute 1 may be a metal material.
It should be noted that the specific manner of "detachable connection" is not particularly limited in the present utility model, and those skilled in the art may adapt the method, wherein the detachable connection may be an adhesive connection, a bolting connection, or the like.
It should be noted that the specific manner of "fixed connection" is not particularly limited in the present utility model, and those skilled in the art may adapt the method, wherein the detachable connection may be welding, riveting, etc.
The ceramic tube 2 comprises a steel tube and a ceramic layer fully covering the outer surface of the steel tube. The ceramic tube 2 is a matched structure for replacing a flange and a steel tube arranged at the mouth of the chute 1 of the traditional sintering machine, so that the air leakage rate of the sintering machine can be further reduced, and the service life of the chute 1 can be prolonged.
The ceramic layer is fixedly adhered to the outer surface of the steel pipe. It should be noted that the specific structural arrangement of the ceramic layer and the steel pipe in the utility model is not limited, and those skilled in the art can adaptively adjust, and the ceramic layer can be bonded on the steel pipe or a complete ceramic pipe 2 can be adopted, wherein the specific material of the ceramic layer comprises Al 2 O 3 ：≥92％
The inner diameter of the steel pipe is 530 to 540mm, and may be 530mm, 531mm, 532mm, 533mm, 534mm, 535mm, 536mm, 537mm, 538mm, 539mm, 540mm, for example, but not limited to the above-mentioned values, and other values not shown in the above-mentioned numerical ranges are equally applicable.
The length of the steel pipe is 500 to 510mm, and may be 500mm, 501mm, 502mm, 503mm, 504mm, 505mm, 506mm, 507mm, 508mm, 509mm, 510mm, for example, but the length is not limited to the above-mentioned values, and other values not mentioned in the above-mentioned range are applicable.
The thickness of the steel pipe is 10 to 12mm, and may be, for example, 10mm, 10.2mm, 10.4mm, 10.6mm, 10.8mm, 11mm, 11.2mm, 11.4mm, 11.6mm, 11.8mm, 12mm, but the steel pipe is not limited to the above-mentioned values, and other non-mentioned values within the above-mentioned range are applicable.
The thickness of the ceramic layer is 20 to 22mm, and may be, for example, 20mm, 20.2mm, 20.4mm, 20.6mm, 20.8mm, 21mm, 21.2mm, 21.4mm, 21.6mm, 21.8mm, 22mm, but not limited to the values recited, and other values not recited in the range are applicable.
The chute 1 is of a hollow structure, the chute 1 comprises a large-diameter end and a small-diameter end, the large-diameter end is detachably connected to the bottom of a discharge hole of the flue 5, the small-diameter end is fixedly connected with one end of the ceramic tube 2, and further, the small-diameter end is welded with one end of the ceramic tube 2.
The ash discharging member comprises an ash discharging pipeline 4 and at least two ash discharging valves 3 arranged on the ash discharging pipeline 4, wherein the inner diameter of the ash discharging pipeline 4 is the same as the inner diameter of the ceramic tube 2. The utility model adopts at least two ash discharging valves 3, which can ensure low air leakage rate of the sintering machine, and especially can greatly prolong the service life of the chute 1 opening of the flue 5 by being matched with the ceramic tube 2 welded in the utility model. The size, material and specific structure of the ash valve 3 are not particularly limited by those skilled in the art, and those skilled in the art can adjust the size, material and specific structure adaptively, wherein the ash valve 3 can be a general open-close valve.
In another embodiment, the utility model provides a sintering machine comprising the ash discharge structure of the flue 5 of the first aspect. The sintering machine according to the present utility model is well known to those skilled in the art, that is, it is satisfied that the sintering machine according to the present utility model can be applied to the present application, and the specific configuration of the sintering machine is not particularly limited.
Example 1
The present embodiment provides an ash discharge structure of a flue 5, wherein:
the ash discharging structure comprises a chute 1, a ceramic tube 2 and an ash discharging piece, wherein one end of the chute 1 is detachably connected to the bottom of a discharge hole of the flue 5, the other end of the chute is fixedly connected with the ash discharging piece through the ceramic tube 2, and the ash discharging piece is used for controlling the ash discharging amount in the flue 5.
The ceramic tube 2 comprises a steel tube and a ceramic layer fully covering the outer surface of the steel tube. The ceramic layer is fixedly adhered to the outer surface of the steel pipe. The inner diameter of the steel pipe is 530mm, the length of the steel pipe is 500mm, the thickness of the steel pipe is 10mm, and the thickness of the ceramic layer is 20mm.
The chute 1 is of a hollow structure, the chute 1 comprises a large-diameter end and a small-diameter end, the large-diameter end is detachably connected to the bottom of a discharge hole of the flue 5, the small-diameter end is fixedly connected with one end of the ceramic tube 2, and further, the small-diameter end is welded with one end of the ceramic tube 2. The ash discharging member comprises an ash discharging pipeline 4 and at least two ash discharging valves 3 arranged on the ash discharging pipeline 4, wherein the inner diameter of the ash discharging pipeline 4 is the same as the inner diameter of the ceramic tube 2.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and it should be apparent to those skilled in the art that any changes or substitutions that fall within the technical scope of the present utility model disclosed herein are within the scope of the present utility model.
Claims (10)
1. The utility model provides an ash discharging structure of flue, its characterized in that, ash discharging structure includes chute, ceramic pipe and ash discharging piece, the one end of chute can be dismantled and is connected in the bottom of flue discharge gate, and the other end is through ceramic pipe fixedly connected with ash discharging piece, ash discharging piece is used for controlling the quantity of discharging the interior lime-ash of flue.
2. The ash discharging structure of the flue according to claim 1, wherein the ceramic tube comprises a steel tube and a ceramic layer entirely covering an outer surface of the steel tube;
the ceramic layer is fixedly adhered to the outer surface of the steel pipe.
3. The ash discharging structure of a flue according to claim 2, wherein the inner diameter of the steel pipe is 530 to 540mm.
4. The ash discharging structure of a flue according to claim 2, wherein the length of the steel pipe is 500 to 510mm.
5. The ash discharging structure of a flue according to claim 2, wherein the thickness of the steel pipe is 10 to 12mm.
6. The ash discharging structure of a flue according to claim 2, wherein the thickness of the ceramic layer is 20 to 22mm.
7. The ash discharge structure of a flue according to claim 1, wherein the chute is a hollow structure, the chute comprises a large diameter end and a small diameter end, the large diameter end is detachably connected to the bottom of the discharge port of the flue, and the small diameter end is fixedly connected to one end of the ceramic tube.
8. The ash discharge structure of a flue according to claim 7, wherein the small diameter end and one end of the ceramic tube are welded.
9. The ash discharge structure of a flue according to claim 1, wherein the ash discharge member includes an ash discharge pipe having an inner diameter identical to an inner diameter of the ceramic pipe and at least two ash discharge valves provided on the ash discharge pipe.
10. A sintering machine, characterized in that it comprises an ash discharge structure of a flue according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320006416.9U CN218973256U (en) | 2023-01-03 | 2023-01-03 | Ash discharging structure of flue and sintering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320006416.9U CN218973256U (en) | 2023-01-03 | 2023-01-03 | Ash discharging structure of flue and sintering machine |
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| Publication Number | Publication Date |
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| CN218973256U true CN218973256U (en) | 2023-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320006416.9U Active CN218973256U (en) | 2023-01-03 | 2023-01-03 | Ash discharging structure of flue and sintering machine |
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| CN (1) | CN218973256U (en) |
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- 2023-01-03 CN CN202320006416.9U patent/CN218973256U/en active Active
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