CN215983887U - Device for removing hearth caking layer - Google Patents
Device for removing hearth caking layer Download PDFInfo
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- CN215983887U CN215983887U CN202122323364.1U CN202122323364U CN215983887U CN 215983887 U CN215983887 U CN 215983887U CN 202122323364 U CN202122323364 U CN 202122323364U CN 215983887 U CN215983887 U CN 215983887U
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- binder layer
- caking layer
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Abstract
The utility model relates to a device for removing a furnace bottom caking layer, which belongs to the technical field of rotary hearth furnaces. According to the utility model, the slag removal device is arranged on the vibrating distributor, so that the exciting force generated when the vibrating distributor vibrates up and down can be transmitted to the hard caking layer at the bottom of the furnace, and the caking layer at the bottom of the furnace is crushed by using the exciting force generated when the vibrating distributor vibrates up and down, so that the caking layer at the bottom of the furnace is crushed and cleaned under the condition of cooling without stopping the furnace, a large amount of manpower and working hours are saved, the service life of the discharging device is prolonged, and the smooth operation of the whole production process is ensured.
Description
Technical Field
The utility model belongs to the technical field of rotary hearth furnaces, and relates to a device for removing a hearth caking layer.
Background
The rotary hearth furnace is widely used in industries such as metallurgy, mines, coal, building materials, light industry, electric power, chemical industry and the like, and has the functions that carbon-containing pellets after burdening, mixing, pelletizing and drying are added into the rotary hearth furnace with an annular hearth and a rotatable hearth, the carbon-containing pellets can generate a certain amount of pellet powder at the temperature of the hearth above 1200 ℃, and because a discharging device cannot effectively discharge the powdery pellets out of the hearth in time, accumulated pellet powder is repeatedly roasted at high temperature, and a hard material layer can be formed at the hearth. The discharging device is attached to the furnace bottom to rotate during working, and the hard material bonding layer can generate abrasive wear on the discharging device, so that the discharging device fails to work and normal production is influenced. The existing means for removing the furnace bottom material accumulation layer are that after the furnace is shut down and cooled, a large amount of manpower is consumed to crush and remove the hard material accumulation layer at the furnace bottom, furnace bottom magnesia is laid again, and then the rotary hearth furnace is heated to normally produce. This seriously affects the smooth operation of the whole production process.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention aims to provide a device for removing a hearth caking layer, so as to achieve crushing and cleaning of the hearth caking layer without shutting down a furnace to cool the furnace.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a device for driving stove bottom caking layer, including setting up the scarfing cinder device in vibration distributing device towards stove bottom one side, the scarfing cinder device can transmit the hard caking layer in stove bottom with the exciting force that produces when vibrating distributing device vibrates from top to bottom with stove bottom contact, the scarfing cinder device includes that support and a plurality of setting follow the impact rod that the rotary furnace direction of height arranged on the support to and the high adjusting device of setting on vibration distributing device, the support links to each other with high adjusting device in order to realize the support for the regulation of stove bottom height.
Optionally, the impact bar is of a length-adjustable construction.
Optionally, the impact bar is slidably connected to the bracket, and the impact bar is locked by a locking device provided on the bracket.
Optionally, the impact bar is fixedly connected with the bracket.
Optionally, the impact rod has a blade at an end facing the furnace bottom.
Optionally, the end of the impact rod facing the furnace bottom is conical or cylindrical.
Optionally, the height adjustment means is automatic or manual.
The utility model has the beneficial effects that: through set up the scarfing cinder device on the vibration distributing device, can transmit the exciting force that produces when vibrating the distributing device from top to bottom to the hard knot material layer in stove bottom, utilize the exciting force that produces when vibrating the distributing device from top to bottom to break the stove bottom knot material layer, the automatic broken clearance of stove bottom knot material layer has been realized, and need not to cool down the operation such as cooling to the rotary hearth furnace at the clearance in-process, a large amount of manpower man-hours have been practiced thrift, discharging device's life has been prolonged, whole production technology's direct motion has been guaranteed.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the utility model, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic structural view of an apparatus for removing a hearth material layer according to the present invention;
fig. 2 is a rotational sectional view a-a of fig. 1.
Reference numerals: the device comprises a furnace wall 1, a movable furnace bottom 2, a discharging device 3, a supporting device 4, a vibrating distributor 5 and a slag removing device 6.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the utility model only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the utility model thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
Referring to fig. 1-2, a furnace wall 1 is a fixed furnace wall, a furnace bottom 2 is a rotatable movable furnace bottom, a discharging device 3 can discharge high-temperature pellets roasted in normal production out of a rotary hearth furnace, a supporting device 4 is a supporting device for supporting a vibrating distributor to vibrate and distribute materials, a vibrating distributor 5 can vibrate up and down, and a slag removing device 6 is used for crushing and loosening a caking layer at the bottom of the furnace.
Batching, the compounding, the carbonaceous pelletizing after system ball and the drying is evenly arranged on rotatory stove bottom 2 through vibration distributing device 5, when the cloth, the vibration of distributing device, the pelletizing is by distributing device free fall to rotatory stove bottom 2, partial pelletizing bursts in stove heating process and all can produce the powder, the magnesia gap that the powder can infiltrate and lay on stove bottom 2, lead to discharging device 3 can not get rid of stove bottom 2 with the powder, the powder will be heated always in the stove, time is long, the powder will be in the same place with the magnesia bonding, form the hard knot material layer of one deck on stove bottom 2, produce the abrasive particle wearing and tearing to discharging device 3, lead to discharging device 3 to become invalid, the operating mode of whole rotary hearth furnace has been changed.
The utility model provides a device for removing a caking layer at the bottom of a furnace, which comprises a slag removing device 6 arranged at one side of a vibration distributor 5 facing the bottom of the furnace, wherein the slag removing device can be contacted with the bottom of the furnace 2 to transfer an excitation force generated when the vibration distributor 5 vibrates up and down to the hard caking layer at the bottom of the furnace, the slag removing device 6 comprises a bracket and a plurality of impact rods arranged on the bracket along the height direction of the rotary furnace, and a height adjusting device arranged on the vibration distributor 5, and the bracket is connected with the height adjusting device to realize the adjustment of the height of the bracket relative to the bottom of the furnace.
Optionally, the impact rod is of a length-adjustable structure, so that after the impact end of the impact rod is abraded, the abrasion amount is compensated by adjusting the length of the impact rod.
Optionally, the impact rod is slidably connected with the bracket, and the impact rod is locked by a locking device arranged on the bracket, so that after the impact end of the impact rod is abraded, the abrasion loss is compensated by adjusting the locking position of the impact rod.
Optionally, the impact bar is fixedly connected with the bracket.
Optionally, the impact rod has a blade at an end facing the furnace bottom.
Optionally, the end of the impact beam facing the furnace floor is tapered or cylindrical.
Optionally, the height adjustment means is automatic or manual.
A method for clearing away the caking layer at the bottom of the furnace comprises the steps of arranging a slag removal device at one side of a vibration distributor facing the bottom of the furnace, enabling the slag removal device to be in contact with the bottom of the furnace 2 so as to transfer the excitation force generated when the vibration distributor vibrates up and down to the hard caking layer at the bottom of the furnace, breaking the caking layer at the bottom of the furnace by utilizing the excitation force generated when the vibration distributor vibrates up and down, and discharging the broken caking layer at the bottom of the furnace out of the furnace by utilizing a discharging device.
Optionally, the height of the slag removal device relative to the furnace floor 2 is adjustable.
Alternatively, a layer of magnesia is laid on the bottom of the furnace from which the sinter bed has been removed by means of a vibrating distributor.
Examples
A device for clearing away the caking layer of the hearth, in the direction of height between rotary hearth 2 and the vibrating distributor 5, set up a slag-cleaning device 6, the lower part of the slag-cleaning device 6 can contact with rotary hearth 2, the exciting force produced when the vibrating distributor 5 vibrates up and down, will be transmitted to the hard caking layer of the hearth, the caking layer will be broken and loosened; the crushed and loosened caking layer is transferred to the discharging device 3 along with the rotation of the furnace bottom 2 and is discharged out of the furnace by the discharging device 3, thus finishing the removal of the caking layer at the furnace bottom.
The process of removing the furnace bottom caking layer comprises the following steps: because the slag removal device 6 is rigidly and rigidly connected with the vibrating distributor 5, the exciting force generated when the vibrating distributor 5 vibrates up and down can be transmitted to the hard caking layer at the bottom of the furnace through the slag removal device 6, the caking layer is crushed and loosened, and the crushed and loosened caking layer is discharged out of the rotary hearth furnace by the discharging device 3, so that the caking layer at the bottom of the furnace is removed; after the slag removal device 6 finishes crushing and removing the furnace bottom caking layer, the position of the slag removal device 6 is moved upwards through the height adjusting device so that the lower part of the slag removal device 6 is separated from the furnace bottom 2 and keeps a certain distance, and at the moment, the exciting force generated by the vibration distributor 5 is not transmitted to the furnace bottom 2 any more; then, a layer of magnesia is laid on the furnace bottom 2 with the aggregate layer removed by using the vibrating distributor 5, and normal production can be started.
The utility model can realize crushing and cleaning of the furnace bottom caking layer under the condition of not shutting down the furnace for cooling, does not need to carry out cooling and other operations on the rotary hearth furnace in the cleaning process, saves a large amount of manpower and man-hours, prolongs the service life of the discharging device 3 and ensures the smooth operation of the whole production process. The utility model is suitable for rotary hearth furnaces in the industries of metallurgy, mines, coal, building materials, light industry, electric power, chemical industry and the like.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (7)
1. The utility model provides a device for cleaing away stove bottom caking layer which characterized in that: including setting up at the scarfing cinder device of vibration distributing device towards stove bottom one side, the scarfing cinder device can transmit the hard knot material layer in stove bottom with the exciting force that produces when vibrating distributing device vibrates from top to bottom, and the scarfing cinder device includes support and a plurality of setting and follows the impact bar that rotatory stove direction of height arranged on the support to and the high adjusting device of setting on vibration distributing device, the support links to each other with high adjusting device in order to realize the support for the regulation of stove bottom height.
2. The apparatus for removing a hearth binder layer according to claim 1, wherein: the impact rod is of a length-adjustable structure.
3. The apparatus for removing a hearth binder layer according to claim 1, wherein: the impact rod is connected with the bracket in a sliding manner and is locked by a locking device arranged on the bracket.
4. The apparatus for removing a hearth binder layer according to claim 1, wherein: the impact rod is fixedly connected with the bracket.
5. The apparatus for removing a hearth binder layer according to claim 1, wherein: and one end of the impact rod facing the furnace bottom is provided with a blade part.
6. The apparatus for removing a hearth binder layer according to claim 1, wherein: and one end of the impact rod facing the furnace bottom is conical or cylindrical.
7. The apparatus for removing a hearth binder layer according to claim 1, wherein: the height adjusting device is automatically adjusted or manually adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122323364.1U CN215983887U (en) | 2021-09-24 | 2021-09-24 | Device for removing hearth caking layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122323364.1U CN215983887U (en) | 2021-09-24 | 2021-09-24 | Device for removing hearth caking layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215983887U true CN215983887U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122323364.1U Active CN215983887U (en) | 2021-09-24 | 2021-09-24 | Device for removing hearth caking layer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117663790A (en) * | 2024-02-01 | 2024-03-08 | 新乡平原同力水泥有限责任公司 | Graded bulk cargo device for primary cylinder of cement production preheater |
-
2021
- 2021-09-24 CN CN202122323364.1U patent/CN215983887U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117663790A (en) * | 2024-02-01 | 2024-03-08 | 新乡平原同力水泥有限责任公司 | Graded bulk cargo device for primary cylinder of cement production preheater |
| CN117663790B (en) * | 2024-02-01 | 2024-04-16 | 新乡平原同力水泥有限责任公司 | Graded bulk cargo device for primary cylinder of cement production preheater |
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