CN210104035U - Ring type roasting machine and ring type roasting radial uniform-thickness material distribution device thereof - Google Patents
Ring type roasting machine and ring type roasting radial uniform-thickness material distribution device thereof Download PDFInfo
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- CN210104035U CN210104035U CN201920489283.9U CN201920489283U CN210104035U CN 210104035 U CN210104035 U CN 210104035U CN 201920489283 U CN201920489283 U CN 201920489283U CN 210104035 U CN210104035 U CN 210104035U
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Abstract
The utility model discloses a ring type roasting machine and a ring type roasting radial uniform distribution device thereof, which comprises a screening machine, a coarse adjustment baffle plate and a conical roller, wherein the diameter of a raw ball processed by a balling disc is screened, the tail end of the screening machine is arranged along the radial direction of a ring type roasting machine trolley, the direction from the outer ring to the inner ring of the ring type roasting machine trolley inclines to one side close to the screening machine, a material outlet is arranged between the coarse adjustment baffle plate and the screening machine, one end close to the inner ring is smaller than one end close to the outer ring, the conical roller is arranged along the radial direction of the ring type roasting machine trolley, the big end of the conical roller is opposite to the outer ring, the small end of the conical roller is opposite to the inner ring, and the conical angle β,
wherein R is0And RnThe inner diameter and the outer diameter of the ring type roasting machine trolley are respectively, B is the length of the tapered roller, and the taper angle of the tapered roller is smaller than the inclination angle of the material outlet; the breast board and the conical roller are arranged oppositely, and a gate for passing the green balls is arranged between the breast board and the conical roller. The arrangement can realize uniform radial equal-thickness distribution of the annular roasting machine trolley.
Description
Technical Field
The utility model relates to a metallurgical technical field, in particular to ring type roasting machine and radial uniform thickness distributing device of ring type roasting thereof.
Background
The pellet is one of the important iron ore agglomeration methods, and is prepared by adding a small amount of additive into finely ground iron concentrate powder or other iron-containing powder, mixing, rolling into pellet by a pelletizer under the condition of adding water for wetting, and then drying, roasting and solidifying into pellet.
The ring type roasting machine process is developed on the basis of the belt type roasting machine process, is a fourth generation pellet process, and has the advantages of compact process layout, short flow, high equipment utilization rate, low energy consumption and the like. However, the circular roasting machine process has special requirements for material distribution, and pellets must be continuously and uniformly placed on a circular roasting machine trolley, i.e. green pellets arranged on the trolley are uniform in thickness along the radial direction. However, at present, the general feeding equipment cannot achieve the effect of radial uniform-thickness distribution, and the reason is that the circular roasting machine is a circular ring surface with a large difference between the inner diameter and the outer diameter, the linear velocity of the outer ring is much greater than that of the inner ring in the rotating process, the radial feeding speed of the general feeding equipment is not different, so that pellets on the side of the inner ring on the trolley are often far more than those on the side of the outer ring, the roasted pellets have inconsistent quality, the productivity of the circular roasting machine is affected, the normal operation of the roasting process can be affected more seriously, and the product cannot achieve the required quality.
Therefore, how to provide a ring-type radial uniform-thickness uniform distribution device for roasting to realize radial uniform-thickness uniform distribution is a technical problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a radial uniform thickness even distributing device of annular calcination to realize radial uniform thickness even cloth. Another object of the utility model is to provide an even distributing device of radial uniform thickness of ring type calcination has above-mentioned.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a radial uniform thickness distributing device of ring calcination which includes:
the screening machine is used for screening the diameters of the green balls processed by the balling disc;
the rough adjusting material baffle is positioned at the tail end of the screening machine and arranged along the radial direction of the ring type roasting trolley, the rough adjusting material baffle inclines towards one side close to the screening machine from the direction from the outer ring to the inner ring of the ring type roasting trolley, a material outlet is formed between the rough adjusting material baffle and the screening machine, and one end of the material outlet close to the inner ring is smaller than one end close to the outer ring;
for the tapered rollers for fine adjustment of the thickness of the material passing through the coarse adjustment baffle plate, the tapered rollers are arranged along the radial direction of the annular roasting machine trolley, the large ends of the tapered rollers are opposite to the outer ring, the small ends of the tapered rollers are opposite to the inner ring, the taper angles β of the tapered rollers,
wherein R is0And RnThe inner diameter and the outer diameter of the annular roasting machine trolley are respectively, B is the length of the tapered roller, and the taper angle of the tapered roller is smaller than the inclination angle of the material outlet;
and the gate plate is arranged opposite to the conical roller, and a gate for passing the green balls is arranged between the gate plate and the conical roller.
Preferably, in the above ring-type roasting radial uniform-thickness material distribution device, the gate is multiple and is uniformly arranged along the radial direction of the conical roller.
Preferably, in the above ring-type roasting radial uniform-thickness material distribution device, the height of the gate is adjustable.
Preferably, the annular roasting radial uniform-thickness material distribution device further comprises a thickness detection device for detecting the radial thickness of the laid green pellets and a control system for controlling the opening degree of the gate, and the control system is in communication connection with the thickness detection device.
Preferably, in the above annular roasting radial uniform-thickness material distribution device, the pelletizing disc is connected to the sieving machine through a material distributor.
Preferably, in the above ring-type roasting radial uniform-thickness distributing device, the distributing device is a pendulum distributing device or a shuttle distributing device.
Preferably, in the above annular roasting radial uniform-thickness material distribution device, the screening machine includes a first screening machine and a second screening machine, the first screening machine is used for screening green balls with a diameter larger than a first preset value, the second screening machine is used for screening green balls with a diameter smaller than a second preset value, and the first preset value is larger than the second preset value.
Preferably, in the above ring-type roasting radial uniform-thickness material distribution device, the first sieving machine and the second sieving machine are connected by a conveying belt.
Preferably, the circular roasting radial uniform-thickness distribution device further comprises a reflecting plate for guiding the green pellets output by the gate into the circular roasting machine trolley, and the reflecting plate is opposite to the output end of the gate.
A ring type roasting machine comprises any one of the ring type roasting radial uniform-thickness material distribution devices.
According to the technical scheme provided by the utility model, the utility model discloses a radial uniform thickness distributing device of ring type calcination has set up the coarse adjustment striker plate at the end of screening machine to along the radial arrangement of ring type calcination machine trolley, the coarse adjustment striker plate is from the direction of ring type calcination machine trolley outer lane to the inner circle to the lopsidedness that is close to the screening machine, this coarse adjustment striker plate flows the material direction slope for the screening machine promptly and arranges, and have the material export between this coarse adjustment striker plate and the screening machine, the material export is less than near outer one end of inner circle and is less than and is close to outer one side slopeThe opening angle in this application is adjustable, thereby causing green pellets to segregate at the material outlet in the width direction of the screening machine, causing more green pellets on the outer ring of the ring type roaster trolley and less green pellets on the inner side, the tapered rollers and the breast plate further adjust the green pellets after coarse adjustment, the tapered rollers are arranged along the radial direction of the ring type roaster trolley, the large ends of the tapered rollers are opposite to the outer ring, the small ends of the tapered rollers are opposite to the inner ring, the taper angles β of the tapered rollers,wherein R is0And RnRespectively the inner diameter and the outer diameter of the ring type roasting machine trolley, and B is the length of the conical roller. The gate plate is arranged opposite to the conical roller, and a gate for passing the green ball is arranged between the gate plate and the conical roller. Foretell conical roll and breast board are further adjusted the green ball through coarse adjusting striker plate, and under the certain condition of gate aperture, for guaranteeing radial uniform thickness cloth, the cone angle of conical roll in this application accords with certain angle requirement to guarantee that the material is arranged along radial uniform thickness. The cone angle of the conical roller in this application is less than the inclination of material export.
Through the arrangement mode, the radial uniform-thickness uniform distribution of the annular roasting machine trolley can be realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a top view of a ring-type radial uniform-thickness uniform-distribution device disclosed in an embodiment of the present invention;
FIG. 2 is a front view of a ring-type radial uniform-thickness uniform-distribution device for roasting disclosed in an embodiment of the present invention;
fig. 3 is a schematic structural view of a rough adjusting striker plate of the ring-type roasting radial uniform-thickness uniform-distribution device disclosed in the embodiment of the present invention;
fig. 4 is a schematic structural view of a fine adjustment structure of the ring-type roasting radial uniform-thickness uniform-distribution device disclosed in the embodiment of the present invention;
fig. 5 is a schematic structural view of a gate disclosed in an embodiment of the present invention.
Detailed Description
In view of this, the core of the utility model is to provide a radial uniform thickness uniform distribution device of annular calcination to realize radial uniform thickness uniform distribution. The other core of the utility model is to provide a ring type roasting machine with the above ring type roasting radial uniform-thickness uniform distribution device.
In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description.
As shown in fig. 1-5, the utility model discloses a radial uniform thickness distributing device of ring type calcination, including screening machine, coarse adjustment striker plate 6, conical roll 5 and breast board 7, wherein, the screening machine is used for sieving the diameter of the green ball of balling disc processing to obtain the green ball that accords with size requirement. The rough adjusting material baffle 6 is positioned at the tail end of the sieving machine and is arranged along the radial direction of the ring type roasting machine trolley 10, the rough adjusting material baffle 6 inclines towards one side close to the sieving machine from the direction from the outer ring to the inner ring of the ring type roasting machine trolley 10, namely, the rough adjusting material baffle 6 is arranged obliquely relative to the material flow direction of the sieving machine, a material outlet is arranged between the rough adjusting material baffle 6 and the sieving machine, one end of the material outlet close to the inner ring is smaller than one end close to the outer ring, namely, a material outlet with a certain opening is arranged between the rough adjusting material baffle 6 and the sieving machine along the direction perpendicular to the material flow direction, and the material outlets are different in height, namely. The opening angle in this application is adjustable to make the green pellet produce certain segregation along the width direction of screening machine at the material export, make ring type roasting machine platform truck 10's outer lane green pellet more, and inboard green pellet is few.
And the conical rollers 5 and the fences 7 further adjust the green pellets after rough adjustment, specifically, the conical rollers 5 are arranged in the radial direction of the ring type roasting machine trolley 10 with the large end of the conical roller 5 opposed to the outer ring and the small end of the conical roller 5 opposed to the inner ring, the taper angle β of the conical roller 5,wherein R is0And RnRespectively the inner diameter and the outer diameter of the ring type roasting machine trolley 10, and B is the length of the conical roller 5. And the above-mentioned fence 7 is arranged opposite to the conical roller 5, and a gate 8 for passing the green ball is provided between the fence 7 and the conical roller 5. Foretell conical roll 5 and breast board 7 are further adjusted the green ball through coarse adjusting striker plate 6, and under the certain condition of gate 8 aperture, for guaranteeing radial uniform thickness cloth, conical angle of conical roll 5 in this application accords with certain angle requirement to guarantee that the material is arranged along radial uniform thickness. The cone angle of the conical roller 5 in this application is smaller than the angle of inclination of the material outlet.
Through the arrangement mode, the radial uniform-thickness uniform distribution of the loop type roasting machine trolley 10 can be realized.
In a specific embodiment, the gates 8 are multiple and uniformly arranged along the radial direction of the tapered roller 5, and in practice, the number of the gates 8 can be set according to different requirements and is within a protection range.
Preferably, the height of the sluice gates 8 in this application is adjustable, in particular, the height of the opening of each sluice gate 8 can be adjusted and controlled individually to ensure that the radial bed of the ring roaster is of equal thickness.
In a further embodiment, the device also comprises a thickness detection device for detecting the radial thickness of the laid green balls and a control system for controlling the gate opening degree, and the control system is connected with the thickness measuring device in a communication mode. When the thickness detection device detects that the thickness of the laid green balls is larger than a first preset value, the gate opening degree can be controlled to be reduced through the control system, and when the thickness of the laid green balls detected by the thickness detection device is smaller than a second preset value, the gate opening degree can be controlled to be increased through the control system, and the first preset value is larger than the second preset value.
In a specific embodiment, the balling disk is connected to the sieving machine through a distributor 1, wherein the distributor 1 is a pendulum distributor or a shuttle distributor. The green pellets from the pelletizing disc are distributed by a pendulum distributing machine or a shuttle distributing device, so that the green pellets are uniformly conveyed to a screening machine.
The screening machine in this application includes first screening machine 2 and second screening machine 4, and wherein, first screening machine 2 is used for screening out the green ball that the diameter is greater than first default, and second screening machine 4 is used for screening out the green ball that the diameter is less than the second default, and first default is greater than the second default, obtains the green ball that the diameter meets the requirements. Can set up according to actual requirement to first default and second default, and all in protective range, in addition, to the broken cloth system that returns again of green ball that screens out to guarantee the recycle of material, reduce extravagantly. The first screening machine 2 and the second screening machine 4 are roller screening machines.
In a preferred embodiment, the first screening machine 2 and the second screening machine 4 are connected by a conveyor belt 3. Specifically, the green pellet that goes out through the balling disk is delivered to first screening machine 2 through pendulum-type distributing machine with the green pellet, and first screening machine 2 carries out the breakage after will crossing big particle diameter green pellet screening and returns the distributing system again, and the small pellet is then carried to second screening machine 4 through conveyer belt 3, and second screening machine 4 returns the balling system again after will crossing the screening of small particle diameter green pellet and makes the ball, what obtain behind first screening machine 2 and the second screening machine 4 is the green pellet of qualified quality granularity.
In a further embodiment, the above ring roasting radial uniform-thickness material distribution device further comprises a reflection plate 9 for guiding the green pellets output from the gate 8 to the ring roasting pallet 10, and the reflection plate 9 is opposite to the output end of the gate 8. By adopting the arrangement mode, the green pellets are guided by the reflecting plate 9, and the green pellets can be ensured to stably fall onto the annular roasting machine trolley 10 after passing through the conical roller 5.
In addition, the present application further discloses a ring type roasting machine, which includes the ring type roasting radial uniform distribution device disclosed in the above embodiments, so that the ring type roasting with the ring type roasting radial uniform distribution device also has all the above technical effects, and details are not repeated herein.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a radial uniform thickness distributing device of ring type calcination which characterized in that includes:
the screening machine is used for screening the diameters of the green balls processed by the balling disc;
the rough adjusting material baffle (6) is positioned at the tail end of the screening machine and arranged along the radial direction of the ring type roasting trolley (10), the rough adjusting material baffle (6) inclines towards one side close to the screening machine from the direction from the outer ring to the inner ring of the ring type roasting trolley (10), a material outlet is formed between the rough adjusting material baffle (6) and the screening machine, and one end of the material outlet close to the inner ring is smaller than one end close to the outer ring;
for the conical roller (5) for finely adjusting the thickness of the material passing through the coarse adjusting striker plate (6), the conical roller (5) is arranged along the radial direction of the annular roasting machine trolley (10), the large end of the conical roller (5) is opposite to the outer ring, the small end of the conical roller (5) is opposite to the inner ring, and the cone angle β of the conical roller (5),
wherein R is0And RnThe inner diameter and the outer diameter of the annular roasting machine trolley (10) are respectively, B is the length of the conical roller (5), and the cone angle of the conical roller (5) is smaller than the inclination angle of the material outlet;
the breast board (7), breast board (7) with conical rollers (5) are arranged relatively, just have between breast board (7) and conical rollers (5) and supply the gate (8) that the ball passes through.
2. The ring roasting radial uniform thickness distribution device according to claim 1, characterized in that the gate (8) is plural and uniformly arranged along the radial direction of the conical roller (5).
3. Annular baking radial uniform distribution device according to claim 1, characterized in that the height of said gate (8) is adjustable.
4. The annular roasting radial uniform distribution device according to claim 3, further comprising a thickness detection device for detecting the radial thickness of the laid green pellets and a control system for controlling the opening degree of the gate (8), wherein the control system is in communication connection with the thickness detection device.
5. The annular roasting radial uniform distribution device according to claim 1, wherein the balling disk is connected with the sieving machine through a distributor (1).
6. The annular roasting radial uniform distribution device according to claim 5, characterized in that the distributor (1) is a pendulum distributor or a shuttle distributor.
7. The annular roasting radial uniform-thickness uniform distribution device according to claim 1, wherein the screening machine comprises a first screening machine (2) and a second screening machine (4), the first screening machine (2) is used for screening green balls with the diameter larger than a first preset value, the second screening machine (4) is used for screening green balls with the diameter smaller than a second preset value, and the first preset value is larger than the second preset value.
8. Annular roasting radial uniform distribution device according to claim 7, characterized in that said first sieve (2) and said second sieve (4) are connected by a conveyor belt (3).
9. The ring roasting radial uniform thickness and uniform distribution apparatus according to any one of claims 1-8, further comprising a reflection plate (9) for guiding the green pellets output from the gate (8) to the ring roasting pallet (10), wherein the reflection plate (9) is opposite to the output end of the gate (8).
10. A ring type roasting machine, characterized by comprising the ring type roasting radial uniform thickness distribution device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920489283.9U CN210104035U (en) | 2019-04-11 | 2019-04-11 | Ring type roasting machine and ring type roasting radial uniform-thickness material distribution device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920489283.9U CN210104035U (en) | 2019-04-11 | 2019-04-11 | Ring type roasting machine and ring type roasting radial uniform-thickness material distribution device thereof |
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| Publication Number | Publication Date |
|---|---|
| CN210104035U true CN210104035U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920489283.9U Withdrawn - After Issue CN210104035U (en) | 2019-04-11 | 2019-04-11 | Ring type roasting machine and ring type roasting radial uniform-thickness material distribution device thereof |
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| CN (1) | CN210104035U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109868361A (en) * | 2019-04-11 | 2019-06-11 | 中冶长天国际工程有限责任公司 | Circular grate pelletizing machine and its ring type roast radial uniform thickness uniform distribution device |
-
2019
- 2019-04-11 CN CN201920489283.9U patent/CN210104035U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109868361A (en) * | 2019-04-11 | 2019-06-11 | 中冶长天国际工程有限责任公司 | Circular grate pelletizing machine and its ring type roast radial uniform thickness uniform distribution device |
| CN109868361B (en) * | 2019-04-11 | 2023-10-03 | 中冶长天国际工程有限责任公司 | Ring type roasting machine and ring type roasting radial uniform-thickness uniform-distribution device thereof |
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| GR01 | Patent grant | ||
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200221 Effective date of abandoning: 20231003 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200221 Effective date of abandoning: 20231003 |