CN212502940U - A charging device for a double-chamber lime shaft kiln - Google Patents
A charging device for a double-chamber lime shaft kiln Download PDFInfo
- Publication number
- CN212502940U CN212502940U CN202020829680.9U CN202020829680U CN212502940U CN 212502940 U CN212502940 U CN 212502940U CN 202020829680 U CN202020829680 U CN 202020829680U CN 212502940 U CN212502940 U CN 212502940U
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- hopper
- valve
- kiln
- charging
- feeding
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- 235000008733 Citrus aurantifolia Nutrition 0.000 title claims abstract description 24
- 235000011941 Tilia x europaea Nutrition 0.000 title claims abstract description 24
- 239000004571 lime Substances 0.000 title claims abstract description 24
- 238000007599 discharging Methods 0.000 claims abstract description 33
- 238000005303 weighing Methods 0.000 claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 230000009467 reduction Effects 0.000 claims abstract description 10
- 239000000428 dust Substances 0.000 claims description 46
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 239000010439 graphite Substances 0.000 claims description 7
- 229910002804 graphite Inorganic materials 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 3
- 210000001503 joint Anatomy 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 6
- 230000009466 transformation Effects 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 6
- 235000019738 Limestone Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000006028 limestone Substances 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 210000000038 chest Anatomy 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model relates to a feeding device of a double-chamber lime shaft kiln, which comprises a single-hopper hoister, a hopper scale, a sealing chute and a kiln top weighing hopper; the single-hopper hoister consists of a hoister rail, a hoisting hopper and a winch, wherein the hoisting hopper is of a closed hopper structure, a charging opening is formed in the hoisting hopper and corresponds to the discharging opening of the sealed chute, a discharging opening is formed in the hoisting hopper and corresponds to the charging opening of the kiln top weighing hopper, a charging valve is arranged at the charging opening, and a discharging valve is arranged at the discharging opening; when the lifting hopper is positioned at the feeding position of the hopper, the charging valve can be in sealing butt joint with the discharging valve; when the lifting hopper is positioned at the hopper discharging position, the discharging valve can be in sealing butt joint with the feeding valve; the feeding device of the utility model can meet the feeding requirement of the double-chamber lime shaft kiln, and can realize the aims of dust-free, noise reduction and energy saving; the method is suitable for newly-built equipment and the transformation of the existing equipment, and has the advantages of simple and convenient implementation, low transformation cost and considerable market prospect, economic benefit and environmental benefit.
Description
Technical Field
The utility model relates to a solid bulk material carries technical field, especially relates to a loading attachment of two thorax lime shaft kilns.
Background
At present, the process of feeding the double-chamber lime shaft kiln by adopting a single-bucket elevator comprises the following steps: descending the single-bucket elevator, loading the single-bucket elevator by the bucket scale, lifting the single-bucket elevator and unloading the single-bucket elevator into the weighing bucket on the top of the kiln. Wherein, a large amount of dust and noise can be generated in the charging and discharging processes of the single-bucket elevator, the environment is polluted, and the health of field operators is seriously harmed.
In the past, most lime plants adopt an unorganized discharge mode for dust generated by loading and unloading of a single-bucket elevator, and in recent years, along with increasingly strict environmental requirements, most enterprises add dust removal systems at two dust generation points, but generally adopt a mode of adding a sealing cover or a dust removal cover above a loading point and a unloading point. The single-bucket elevator is mostly in a moving state and can stay for a short time only during charging and discharging, and the feed inlets of the single-bucket elevator and the kiln top weighing hopper are both in an open structure, so that complete sealing cannot be realized only by using a sealing cover or a dust removing cover in the charging and discharging processes, the dust removing effect can be enhanced only by increasing the air volume of the dust removing fan, the energy consumption is increased, and the dust removing effect is not good.
Disclosure of Invention
The utility model provides a feeding device of a double-chamber lime shaft kiln, which can not only meet the feeding requirement of the double-chamber lime shaft kiln, but also realize the aims of dust-free, noise reduction and energy conservation; the method is suitable for newly-built equipment and the transformation of the existing equipment, and has the advantages of simple and convenient implementation, low transformation cost and considerable market prospect, economic benefit and environmental benefit.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a loading device of a double-chamber lime shaft kiln comprises a single-bucket elevator, a hopper scale, a sealing chute and a kiln top weighing hopper; the single-bucket elevator consists of an elevator track, an elevator hopper and a winch, and the elevator hopper can move along the elevator track under the traction of the winch; the elevator track is obliquely arranged, the bottom of the elevator track is fixed on the ground and is provided with a hopper loading position, and the top of the elevator track is fixed on the kiln top platform and is provided with a hopper unloading position; the hopper scale is fixed above the feeding level of the hopper, a discharge port at the bottom of the hopper scale is connected with a feed port of a sealing chute, the discharge port of the sealing chute is connected with a discharge valve through a flexible telescopic pipeline, a first air cylinder is arranged on the sealing chute, and the discharge valve can be driven by the first air cylinder to move up and down; the top of the sealed chute is provided with a first dust removal pipeline; the kiln top weighing hopper is fixed on the kiln top platform, a discharge port is arranged at the bottom of the kiln top weighing hopper and connected with a feed port of the double-chamber lime shaft kiln, a feed port is arranged at the top of the kiln top weighing hopper and connected with a feed valve through a flexible telescopic pipeline, a second air cylinder is arranged on the kiln top weighing hopper, and the feed valve can be driven by the second air cylinder to move up and down; the lifting hopper is of a closed hopper structure, a charging opening is formed in the lifting hopper and corresponds to the discharging opening of the sealed chute, a discharging opening is formed in the lifting hopper and corresponds to the charging opening of the kiln top weighing hopper, a charging valve is arranged at the charging opening, and a discharging valve is arranged at the discharging opening; when the lifting hopper is positioned at the feeding position of the hopper, the charging valve can be in sealing butt joint with the discharging valve; when the lifting hopper is positioned at the hopper discharging position, the discharging valve can be in sealing butt joint with the feeding valve; and a second dust removal pipeline is arranged on the kiln top weighing hopper.
And a flexible graphite lining layer is arranged on the inner wall of the sealing chute.
The charging valve and the discharging valve are connected in a sealing mode through flanges, and flexible graphite pads are arranged at the joints of the flanges.
When the lifting hopper is positioned at the hopper unloading position, the included angle between the side wall of the lifting hopper at the bottom and the horizontal plane is more than or equal to 42 degrees.
And the inner wall of the lifting hopper and the inner wall of the kiln top weighing hopper are respectively provided with a ceramic noise reduction lining plate or a polyurethane noise reduction lining plate.
A first dust removal fan is arranged on the first dust removal pipeline, and a second dust removal fan is arranged on the second dust removal pipeline; the first dust removal pipeline and the second dust removal pipeline are respectively connected with a lime powder storage bin or a tank truck.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the feeding device of the utility model has good tightness, the single bucket elevator is in a closed state when in feeding and discharging, no dust overflows in the whole process, and the environmental pollution is effectively avoided;
2) dust generated during loading and unloading is collected by the first dust removal pipeline and the second dust removal pipeline and then can be used as a sintering ore raw material in a sintering plant, so that resources are saved;
3) compare in current dust removal mode that adopts sealed cowling or dust excluding hood, dust exhausting fan's power can reduce by a wide margin among the loading attachment, single-point dust removal amount of wind can be by 20000m3The volume per hour is reduced to 3000m3The energy consumption is obviously reduced, and the operation cost of enterprises is reduced;
4) the ceramic noise reduction lining plate or the polyurethane noise reduction lining plate is lined in both the lifting hopper and the kiln top weighing hopper, the maximum noise value at a position 10 meters away from a noise source can be reduced from 100db to 70db, and the noise pollution is effectively reduced;
5) loading attachment is applicable to newly-built equipment and existing equipment transformation, and it is simple and convenient to implement, and the transformation cost is low.
Drawings
Fig. 1 is a schematic structural diagram of a feeding device of a double-chamber lime shaft kiln.
In the figure: 1. lifting hopper 2, charging valve 3, discharging valve 4, sealing chute 5, dedusting pipeline I6, hopper scale 7, hoister rail 8, discharging valve 9, winch 10, dedusting pipeline II 11, feeding valve 12 and kiln top weighing hopper
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in fig. 1, the feeding device of the double-chamber lime shaft kiln of the utility model comprises a single-bucket elevator, a hopper scale 6, a sealing chute 4 and a kiln top weighing hopper 12; the single-bucket elevator consists of an elevator track 7, an elevator hopper 1 and a winch 9, wherein the elevator hopper 1 can move along the elevator track 7 under the traction of the winch 9; the elevator track 7 is obliquely arranged, the bottom of the elevator track is fixed on the ground and is provided with a hopper loading position, and the top of the elevator track is fixed on the kiln top platform and is provided with a hopper unloading position; the hopper scale 6 is fixed above the feeding level of the hopper, a discharge port at the bottom of the hopper scale 6 is connected with a feed port of the sealing chute 4, the discharge port of the sealing chute 4 is connected with the discharge valve 3 through a flexible telescopic pipeline, a first air cylinder is arranged on the sealing chute 4, and the discharge valve 3 can be driven by the first air cylinder to move up and down; a first dust removal pipeline 5 is arranged at the top of the sealing chute 4; the kiln top weighing hopper 12 is fixed on a kiln top platform, a discharge port is arranged at the bottom of the kiln top weighing hopper 12 and is connected with a feed port of the double-chamber lime shaft kiln, a feed port is arranged at the top of the kiln top weighing hopper 12 and is connected with a feed valve 11 through a flexible telescopic pipeline, a second air cylinder is arranged on the kiln top weighing hopper 12, and the feed valve 11 can be driven by the second air cylinder to move up and down; the lifting hopper 1 is of a closed hopper structure, a charging opening is formed in the lifting hopper and corresponds to the discharging opening of the sealed chute 4, a discharging opening is formed in the lifting hopper and corresponds to the charging opening of the kiln top weighing hopper 12, a charging valve 2 is arranged at the charging opening, and a discharging valve 8 is arranged at the discharging opening; when the lifting hopper 1 is positioned at the feeding position of the hopper, the charging valve 2 can be in sealing butt joint with the discharging valve 3; when the lifting hopper 1 is positioned at the hopper discharging position, the discharging valve 8 can be in sealing butt joint with the feeding valve 11; and a second dust removal pipeline 10 is arranged on the kiln top weighing hopper 12.
And a flexible graphite lining layer is arranged on the inner wall of the sealing chute 4.
The charging valve 2 is connected with the discharging valve 3 in a sealing mode through a flange, and a flexible graphite pad is arranged at the joint of the flange.
When the lifting hopper 1 is positioned at the hopper unloading position, the included angle between the side wall of the lifting hopper 1 at the bottom and the horizontal plane is more than or equal to 42 degrees.
And the inner wall of the lifting hopper 1 and the inner wall of the kiln top weighing hopper 12 are respectively provided with a ceramic noise reduction lining plate or a polyurethane noise reduction lining plate.
A first dust removal fan is arranged on the first dust removal pipeline 5, and a second dust removal fan is arranged on the second dust removal pipeline 10; the first dust removal pipeline 5 and the second dust removal pipeline 10 are respectively connected with a lime powder storage bin or a tank truck.
The working process of the feeding device of the double-chamber lime shaft kiln is as follows:
(1) the lower part of the lifting hopper 1 is lowered to the hopper loading position at the bottom of the lifting machine track 7 along the lifting machine track 7, the charging valve 2 is opened, the discharging valve 8 is closed, and the discharging valve 3 moves up and down under the action of the cylinder I and is in sealing butt joint with the charging valve 2; the bleeder valve 3 is opened, dust exhausting fan starts, the flashboard of unloading of 6 discharge gates of hopper balance department is opened, lime stone in the hopper balance 6 gets into through sealed chute 4 and promotes hopper 1, the flashboard of unloading is closed after the completion of feeding, bleeder valve 3 closes, dust exhausting fan stops for 30 seconds a time delay, the charging valve 2 closes, bleeder valve 3 moves under cylinder effect, throw off with charging valve 2, hoist 9 starts, promote hopper 1 and get into the promotion state.
(2) The lifting hopper 1 moves to the hopper unloading position at the top of the lifting machine rail 7, the loading valve 2 is in a closed state all the time in the unloading process, the second dust removal fan is opened, the loading valve 11 lifts and moves under the action of the second air cylinder, the loading valve 11 is in sealed butt joint with the unloading valve 8, the loading valve 11 is opened, the unloading valve 8 is opened, and limestone in the lifting hopper 1 is unloaded into the kiln top weighing hopper 12.
The first dust removal pipeline 5 is connected out from the top of the self-sealing chute 4, the second dust removal pipeline 10 is connected out from the top of the kiln top weighing hopper 12, and collected dust can be transported by pneumatic conveying or a tank truck for a sintering plant to use.
The bottom of the hopper scale 6 is provided with a discharge gate plate, and the discharge gate plate is opened and then is in sealing lap joint with the sealing chute 4.
And flexible graphite pads are fixed at the flanges of the discharge valve 3 and the feeding valve 11, and are in sealed butt joint with the corresponding charging valve 2 and the corresponding discharging valve 8 respectively after being lifted and moved.
When the lifting hopper 1 is positioned at the hopper unloading position, the included angle between the side wall at the bottom and the horizontal plane is more than or equal to 42 degrees, and limestone is not remained in the lifting hopper 1.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020829680.9U CN212502940U (en) | 2020-05-18 | 2020-05-18 | A charging device for a double-chamber lime shaft kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020829680.9U CN212502940U (en) | 2020-05-18 | 2020-05-18 | A charging device for a double-chamber lime shaft kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212502940U true CN212502940U (en) | 2021-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020829680.9U Active CN212502940U (en) | 2020-05-18 | 2020-05-18 | A charging device for a double-chamber lime shaft kiln |
Country Status (1)
| Country | Link |
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| CN (1) | CN212502940U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111453459A (en) * | 2020-05-18 | 2020-07-28 | 中冶焦耐(大连)工程技术有限公司 | A charging device for a double-chamber lime shaft kiln |
-
2020
- 2020-05-18 CN CN202020829680.9U patent/CN212502940U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111453459A (en) * | 2020-05-18 | 2020-07-28 | 中冶焦耐(大连)工程技术有限公司 | A charging device for a double-chamber lime shaft kiln |
| CN111453459B (en) * | 2020-05-18 | 2024-07-09 | 中冶焦耐(大连)工程技术有限公司 | Feeding device of double-chamber lime shaft kiln |
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