CN220489730U - Calcination phosphorite chain plate conveying system - Google Patents
Calcination phosphorite chain plate conveying system Download PDFInfo
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- CN220489730U CN220489730U CN202322036342.6U CN202322036342U CN220489730U CN 220489730 U CN220489730 U CN 220489730U CN 202322036342 U CN202322036342 U CN 202322036342U CN 220489730 U CN220489730 U CN 220489730U
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- calcination
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- bucket elevator
- powder bin
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- 238000001354 calcination Methods 0.000 title claims abstract description 55
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical group OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 239000000428 dust Substances 0.000 claims abstract description 63
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 239000002367 phosphate rock Substances 0.000 claims abstract description 38
- 239000000843 powder Substances 0.000 claims abstract description 36
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 238000005303 weighing Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 3
- 239000011707 mineral Substances 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract 1
- 239000004744 fabric Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000003912 environmental pollution Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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- Tunnel Furnaces (AREA)
Abstract
The utility model discloses a chain plate conveying system for calcined phosphorite, and relates to the technical field of mineral separation production systems, wherein the conveying system comprises a conveying mechanism before calcination, a cooling mechanism after calcination and a conveying mechanism after calcination; the conveying mechanism after calcination comprises a first bucket elevator, a first powder bin, a chain plate scale, a chute and a dust cover, wherein the bottom of the first bucket elevator is communicated with the calcination cooling mechanism, and the top of the first bucket elevator is communicated with the top of the first powder bin; the bottom of the first powder bin is communicated with one side of the chain plate scale; one end of the chute is communicated with the other side of the chain plate scale; the dust cover wraps the outer side of the chain plate scale. The utility model has the beneficial effects that: the production cost is reduced, the production efficiency is improved, and the pollution to the environment is reduced.
Description
Technical Field
The utility model relates to the technical field of mineral processing production systems, in particular to a chain plate conveying system for calcined phosphorite.
Background
Phosphorite is an important mineral resource and is widely applied to the fields of agriculture, chemical industry, materials and the like. In the process of extracting the phosphorite, the phosphorite needs to be heated to a certain temperature so as to cause chemical reaction, thereby extracting the required phosphorus substances.
In the conventional process of calcining phosphorus ore, fluidized bed is generally used for heating. However, the equipment consumes a large amount of fuel, which easily causes problems of high production cost, low production efficiency, environmental pollution and the like.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides the chain plate conveying system for the calcined phosphorite, which solves the problems of high production cost, low production efficiency and environmental pollution at present, reduces the production cost, improves the production efficiency and reduces the environmental pollution.
The technical scheme adopted for solving the technical problems is as follows: in the improvement, the conveying system comprises a conveying mechanism before calcination, a calcination cooling mechanism and a conveying mechanism after calcination;
the conveying mechanism after calcination comprises a first bucket elevator, a first powder bin, a chain plate scale, a chute and a dust cover, wherein the bottom of the first bucket elevator is communicated with the calcination cooling mechanism, and the top of the first bucket elevator is communicated with the top of the first powder bin; the bottom of the first powder bin is communicated with one side of the chain plate scale; one end of the chute is communicated with the other side of the chain plate scale; the dust cover wraps the outer side of the chain plate scale.
In the structure, the conveying mechanism after calcination further comprises a first bag-type dust remover, one side of the first bag-type dust remover is communicated with the top of the first bucket elevator, and the other side of the first bag-type dust remover is communicated with the dust cover and is arranged at the top of the first dust bin.
In the structure, the conveying mechanism before calcination comprises a second bucket elevator, a second powder bin, a feeder, a belt type weighing scale and a second bag-type dust remover; the top of the second bucket elevator is communicated with the top of the second powder bin; the feeder is arranged at the bottom of the second powder bin; the belt type metering scale is positioned between the feeder and the calcination cooling mechanism; the second bag-type dust collector is arranged at the top of the second powder bin, and one side of the second bag-type dust collector is communicated with the top of the second bucket elevator.
In the structure, the conveying mechanism before calcination further comprises a phosphorite feeding pipe, and the phosphorite feeding pipe is communicated with the bottom of the second bucket elevator.
In the structure, the conveying mechanism before calcination further comprises a tail gas inlet pipe, and the tail gas inlet pipe is communicated with the top of the second bucket elevator.
In the structure, the conveying mechanism before calcination further comprises a compressed gas inlet pipe, and the compressed gas inlet pipe is communicated with the other side of the second bag-type dust collector.
In the above structure, the calcined conveying mechanism further comprises a first gate valve, and the first gate valve is arranged at the bottom of the first powder bin.
In the structure, the conveying mechanism before calcination further comprises a second gate valve, and the second gate valve is positioned between the second powder bin and the feeder.
In the above structure, the calcination cooling mechanism comprises a preheater, a rotary calcining kiln and a rotary cooler, and the phosphorite passes through the preheater, the rotary calcining kiln and the rotary cooler in sequence.
In the above structure, the post-calcination conveying mechanism further comprises an exhaust pipe, and the exhaust pipe is arranged at the top of the first bag-type dust collector.
The beneficial effects of the utility model are as follows: the uniform heating and the accurate temperature control of the phosphorite are realized through the rotary calcining kiln, so that the waste of energy sources is reduced; the weight and flow of the phosphorite are measured through a chain plate scale so as to ensure accurate conveying of materials; the dust is prevented from leaking outside through the dust cover; thereby reducing the production cost, improving the production efficiency and reducing the pollution to the environment.
Drawings
FIG. 1 is an overall structure diagram of a link plate conveying system for calcined phosphorite of the present utility model.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
The conception, specific structure, and technical effects produced by the present utility model will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present utility model based on the embodiments of the present utility model. In addition, all the coupling/connection relationships referred to in the patent are not direct connection of the single-finger members, but rather, it means that a better coupling structure can be formed by adding or subtracting coupling aids depending on the specific implementation. The technical features in the utility model can be interactively combined on the premise of no contradiction and conflict.
Referring to FIG. 1, the utility model discloses a calcination phosphorite chain plate conveying system, which comprises a conveying mechanism before calcination, a calcination cooling mechanism 1 and a conveying mechanism after calcination;
with continued reference to fig. 1, the conveying mechanism before calcination includes a second bucket elevator 10, a second powder bin 14, a feeder 16, a belt type weighing scale 17, a second bag-type dust collector 13, a phosphorite feeding pipe 9, a tail gas inlet pipe 11, a compressed gas inlet pipe 12 and a second flashboard; the top of the second bucket elevator 10 is communicated with the top of a second powder storage bin 14; the feeder 16 is arranged at the bottom of the second powder bin 14; the belt type weighing scale 17 is positioned between the feeder 16 and the calcination cooling mechanism 1; the second bag-type dust collector 13 is arranged at the top of the second powder storage bin 14, and one side of the second bag-type dust collector is communicated with the top of the second bucket elevator 10; the phosphorite feeding pipe 9 is communicated with the bottom of the second bucket elevator 10; the tail gas inlet pipe 11 is communicated with the top of the second bucket elevator 10; the compressed gas inlet pipe 12 is communicated with the other side of the second bag-type dust remover 13; the second gate valve 15 is located between the second powder bin 14 and the feeder 16; the second gate valve 15 is located between the second powder hopper 14 and the feeder 16.
In the embodiment, phosphorite enters the bottom of the second bucket elevator 10 through the phosphorite feeding pipe 9, and is conveyed to the second powder bin 14 through the second bucket elevator 10; part of dust in the phosphorite enters the tail gas air inlet pipe 11 through the second elevator, dust enters the second cloth bag dust collector 13 along with dust-containing tail gas from one side of the second cloth bag dust collector 13, dust is adsorbed in the second cloth bag dust collector 13, compressed air enters the second cloth bag dust collector 13 from the other side of the second cloth bag dust collector 13 through the compressed air inlet pipe, dust in the second cloth bag dust collector 13 is blown down, the dust enters the second powder bin 14, the second flashboard can control the flow rate of phosphorite and dust mixture in the second powder bin 14 entering the feeder 16, and then the feeder 16 is controlled to convey phosphorite and dust to the supply amount of the calcination cooling mechanism 1, wherein the belt type metering scale 17 can realize continuous and accurate measurement of the phosphorite dust mixture conveyed by the feeder 16 to the calcination cooling mechanism 1, so as to play a role in controlling the material flow rate and the batching precision, and the production efficiency and the product quality can be improved.
With continued reference to fig. 1, the calcination cooling mechanism 1 includes a preheater, a rotary calcining kiln, and a rotary cooler, and the phosphorite passes through the preheater, the rotary calcining kiln, and the rotary cooler in sequence. In the embodiment, the phosphorite is transported to a preheater after being measured by a belt type metering scale 17, and the preheater preheats the phosphorite to a certain temperature so as to improve the reactivity of the phosphorite, thereby being beneficial to the calcination process of the next step; the preheated phosphorite enters a rotary calcining kiln which is core equipment for calcining phosphorite, organic matters and impurities in the phosphorite are decomposed and oxidized by high-temperature heating, the post-treatment process is facilitated to extract the required phosphorus substances, and in the process of calcining phosphorite, high-temperature gas in the rotary calcining kiln is in direct contact with phosphorite, so that the phosphorite is quickly heated and subjected to chemical reaction. The heating mode of the rotary kiln can reduce the waste of energy sources and improve the utilization rate of the energy sources; the calcined phosphorite enters a rotary cooler, and the rotary cooler is used for cooling the calcined phosphorite to below 120 ℃ so as to prevent the high temperature of the calcined phosphorite from damaging subsequent equipment.
With continued reference to fig. 1, the post-calcination conveying mechanism comprises a first bucket elevator 2, a first powder bin 4, a chain plate scale 7, a chute 8, a dust cover 6, a first bag-type dust collector 3, a first gate valve 5 and an exhaust pipe 18, wherein the bottom of the first bucket elevator 2 is communicated with the calcination cooling mechanism 1, and the top of the first bucket elevator is communicated with the top of the first powder bin 4; the bottom of the first powder bin 4 is communicated with one side of the chain plate balance 7; one end of the chute 8 is communicated with the other side of the chain plate balance 7; the dust cover 6 is wrapped on the outer side of the chain plate balance 7; one side of the first bag-type dust collector 3 is communicated with the top of the first bucket elevator 2, and the other side of the first bag-type dust collector is communicated with the dust cover 6 and is arranged at the top of the first dust bin; the calcined conveying mechanism further comprises a first gate valve 5, and the first gate valve 5 is arranged at the bottom of the first powder bin 4; the calcined conveying mechanism further comprises an exhaust pipe 18, and the exhaust pipe 18 is arranged at the top of the first bag-type dust collector 3.
In the embodiment, the phosphorite cooled by the rotary cooler enters the bottom of the first bucket elevator 2, the first bucket elevator 2 is arranged in an embedded pit, the ground potential of the bottom of the first bucket elevator 2 is lower than that of the rotary cooler, the phosphorite is conveniently transported into the first bucket elevator 2, the first bucket elevator 2 transports the phosphorite into the first powder bin 4, dust enters one side of the first bag-type dust remover 3, the phosphorite in the first powder bin 4 enters the chain plate scale 7, and the chute 8 is transported into the next process; the dust cover 6 is arranged on the outer side of the chain plate scale 7, and the other side of the first bag-type dust remover 3 is communicated with the dust cover 6, so that dust leakage is effectively prevented, and environmental pollution is reduced; in addition, the exhaust pipe 18 discharges the tail gas after the dust removal by the first bag-type dust remover 3, thereby further reducing the pollution to the environment.
While the preferred embodiment of the present utility model has been described in detail, the present utility model is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present utility model, and these equivalent modifications or substitutions are included in the scope of the present utility model as defined in the appended claims.
Claims (10)
1. The conveying system for the calcined phosphorite chain plate is characterized by comprising a conveying mechanism before calcination, a calcination cooling mechanism and a conveying mechanism after calcination;
the conveying mechanism after calcination comprises a first bucket elevator, a first powder bin, a chain plate scale, a chute and a dust cover, wherein the bottom of the first bucket elevator is communicated with the calcination cooling mechanism, and the top of the first bucket elevator is communicated with the top of the first powder bin; the bottom of the first powder bin is communicated with one side of the chain plate scale; one end of the chute is communicated with the other side of the chain plate scale; the dust cover wraps the outer side of the chain plate scale.
2. The system of claim 1, wherein the post-calcination conveying mechanism further comprises a first bag-type dust collector, one side of the first bag-type dust collector is communicated with the top of the first bucket elevator, and the other side of the first bag-type dust collector is communicated with the dust cover and is mounted at the top of the first dust bin.
3. The system according to claim 1, wherein the pre-calcination conveying mechanism comprises a second bucket elevator, a second powder bin, a feeder, a belt-type weighing scale and a second bag-type dust remover; the top of the second bucket elevator is communicated with the top of the second powder bin; the feeder is arranged at the bottom of the second powder bin; the belt type metering scale is positioned between the feeder and the calcination cooling mechanism; the second bag-type dust collector is arranged at the top of the second powder bin, and one side of the second bag-type dust collector is communicated with the top of the second bucket elevator.
4. A calciner scraper chain conveyor system according to claim 3, wherein the pre-calciner conveyor further comprises a scraper feed pipe, the scraper feed pipe being in communication with the bottom of the second bucket elevator.
5. A calciner scraper chain conveyor system according to claim 3, wherein the pre-calciner conveyor further comprises a tail gas inlet pipe, the tail gas inlet pipe being in communication with the top of the second bucket elevator.
6. A calciner scraper chain conveyor system according to claim 3, wherein the pre-calcination conveyor mechanism further comprises a compressed gas inlet pipe, the compressed gas inlet pipe being in communication with the other side of the second bag-type dust collector.
7. The system of claim 1, wherein the post-calcination conveying mechanism further comprises a first gate valve disposed at the bottom of the first powder bin.
8. A calciner scraper chain conveyor system according to claim 3, wherein the pre-calciner conveyor mechanism further comprises a second gate valve located between the second powder bin and the feeder.
9. The system according to claim 1, wherein the calcination cooling mechanism comprises a preheater, a rotary calciner, and a rotary cooler, and the phosphorite passes through the preheater, the rotary calciner, and the rotary cooler in sequence.
10. The system of claim 2, wherein the post-calcination conveying mechanism further comprises an exhaust pipe disposed at the top of the first bag-type dust collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322036342.6U CN220489730U (en) | 2023-07-31 | 2023-07-31 | Calcination phosphorite chain plate conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322036342.6U CN220489730U (en) | 2023-07-31 | 2023-07-31 | Calcination phosphorite chain plate conveying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220489730U true CN220489730U (en) | 2024-02-13 |
Family
ID=89842621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322036342.6U Active CN220489730U (en) | 2023-07-31 | 2023-07-31 | Calcination phosphorite chain plate conveying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220489730U (en) |
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2023
- 2023-07-31 CN CN202322036342.6U patent/CN220489730U/en active Active
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