CN211488065U - Calcium oxide raw materials for production conveying system - Google Patents
Calcium oxide raw materials for production conveying system Download PDFInfo
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- CN211488065U CN211488065U CN201922233606.0U CN201922233606U CN211488065U CN 211488065 U CN211488065 U CN 211488065U CN 201922233606 U CN201922233606 U CN 201922233606U CN 211488065 U CN211488065 U CN 211488065U
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Abstract
The utility model relates to a calcium oxide production facility field, concretely relates to calcium oxide raw materials for production conveying system, its characterized in that: the dust collection device comprises a feeding bin, a feeding conveyor, a horizontal screening machine, a crusher, a powder recycling machine and a spraying pipe arranged on the feeding bin, wherein a dust cover is covered above the conveyor, one end of the feeding conveyor, which is far away from the feeding bin, is provided with a calcining kiln waste heat drying pipeline, the powder recycling machine comprises a cover cap, a suction fan, a dust collection channel communicated with the top of an inner cavity of the cover cap, and a dust collection bin communicated with the dust collection channel, and a reflux device communicated with the inner cavity of the cover cap and the dust collection channel is arranged in the middle of the cover. The calcium oxide production raw material conveying system provided by the utility model effectively reduces dust and collects dust through the modes of water spraying dust removal, dust cover, powder recovery machine and the like, and can utilize waste heat to dry raw ores after water spraying dust removal; the screening machine carries out the preliminary screening to the raw materials, sieves in advance and removes fine material and slag charge, reduces the breaker wearing and tearing, improves environmental protection performance.
Description
Technical Field
The utility model relates to a calcium oxide production facility field, specificly relate to a calcium oxide raw materials for production conveying system.
Background
Calcium oxide, an inorganic compound, has the chemical formula CaO, commonly known as quicklime. The physical properties are white powder on the surface, off-white when the powder is impure, light yellow or gray when the powder contains impurities, and hygroscopicity. The calcium oxide powder production line equipment mainly comprises a crusher, a vibrating screen, a vibrating feeder, a mechanical loading and unloading vertical environment-friendly lime kiln, a screw conveyor, a box type oxidation digestion machine (lime slaker)/rotary digestion machine, a heat-conducting oil heating roller continuous dryer, a tail gas air waste heat exchanger, a stainless steel gas washing tower/PP gas washing tower, a vibrating ash discharger, a bucket elevator and the like. Ultrafine calcium carbonate, the standard name being ultrafine calcium carbonate. Is the main index for measuring the quality of lime. The more the amount of activated calcium oxide, the higher the lime activity. The intermediate raw material for producing the superfine calcium carbonate is prepared by crushing raw ores, the existing raw ore crushing equipment and a primary conveying system generate a large amount of dust in production, so that the modern environmental protection requirement is not met, water spraying dust removal is mostly adopted, but the dust can be reduced to a certain extent by using a water spraying dust removal method, if a water spraying nozzle is spread over the whole crushing equipment and the primary conveying system, a large amount of water resources are needed, the water sprayed raw material is not beneficial to subsequent lime calcination, and equipment capable of effectively collecting the dust of the conveying system is sequentially lacked; in addition, the existing crushing is not pre-screened, fine materials or slag materials enter a crusher, the crusher is greatly abraded, or the screening efficiency is low.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a calcium oxide raw materials for production conveying system to solve the problem that proposes in the background art.
In order to solve the technical problem, the utility model discloses a technical scheme as follows: a calcium oxide raw materials for production conveying system which characterized in that: the device comprises a feeding bin, a feeding conveyor, a horizontal screening machine, a crusher, a powder recycling machine, a first discharging conveyor, a second discharging conveyor and a third discharging conveyor, wherein a spray pipe is arranged on the feeding bin, spray heads are distributed on the spray pipe, dust covers are covered above the feeding conveyor, the first discharging conveyor, the second discharging conveyor and the third discharging conveyor, a calcining kiln waste heat drying pipeline is arranged at one end, away from the feeding bin, of the feeding conveyor, two layers of screen meshes are arranged in the horizontal screening machine, the oversize discharging end of a first layer of screen mesh of the horizontal screening machine is connected with the feeding end of the crusher, the oversize discharging end of a second layer of screen mesh is connected with the second discharging conveyor, the undersize discharging end of the second layer of screen mesh is connected with the third discharging conveyor, the powder recycling machine is arranged above the feeding port of the crusher, and comprises a cover cap, a cover cap and a cover cap, which are arranged on the feeding port of the crusher, The dust collector comprises a suction fan arranged at the top of an inner cavity of the cover, a power unit driving the suction fan to rotate, a dust collecting channel communicated with the top of the inner cavity of the cover and a dust collecting bin communicated with the dust collecting channel, wherein a reflux device communicated with the inner cavity of the cover and the dust collecting channel is arranged in the middle of the cover.
Furthermore, the horizontal screening machine is provided with an excitation box, three rotating shafts which are arranged side by side are arranged in the excitation box, one rotating shaft is connected with power for driving the horizontal screen to vibrate, a gear is arranged on each rotating shaft, every two gears are meshed, and a deflection block is detachably arranged on each gear.
Furthermore, the gear is provided with an installation hole along the ring shape, the polarization block is installed in the installation hole through a connecting piece, and the polarization block is formed by overlapping a plurality of polarization plates with the same cross section shape.
Further, the screen in the horizontal screening machine is a woven screen or a punched screen.
Furthermore, the screen upper discharge end of the first layer of screen mesh is connected with the feed end of the crusher through a chute.
Further, the crusher is a cone crusher.
Further, the section opening of the dust collecting channel is gradually enlarged from top to bottom.
Furthermore, a plurality of arc-shaped dust baffles are fixedly arranged in the dust collecting channel, two arc-shaped dust baffles are respectively arranged at the upper part and the lower part of the reflux device, and the other arc-shaped dust baffle is fixedly arranged on the inner wall of one side opposite to the reflux device and is positioned below the arc-shaped dust baffle at the lower part of the reflux device.
Further, be equipped with the first row of blade that constitutes by little blade and the first row of blade that constitutes by big blade on the backward flow ware, little blade's cross sectional shape is the type of falling V, little blade and big blade staggered arrangement, big blade includes the swash plate, is close to the first dust board of the terminal rigid coupling of shroud with the swash plate, sets up in the second dust board with first dust board contralateral, rigid coupling and swash plate middle part, little blade and big blade are the slant and arrange, form labyrinth passage between little blade and the big blade.
As can be seen from the above description, the calcium oxide raw material conveying system provided by the present invention has the following beneficial effects: spraying water for dedusting when the spraying pipes on the feeding bin are used for blanking, a dust cover covers the upper part of each conveyor, and a calcining kiln waste heat drying pipeline is arranged at one end of each feeding conveyor, which is far away from the feeding bin, so that the waste heat can be used for drying raw ores subjected to water spraying and dedusting; the screening machine carries out pre-screening on the raw materials, fine materials and slag materials are screened in advance, and the abrasion of the crusher is reduced; the powder reclaimer is arranged above the feeding hole of the crusher and used for collecting powder generated in the crushing process, the middle part of the cover cap is provided with a reflux device communicated with the inner cavity of the cover cap and the dust collecting channel, and the reflux device can separate dust and air flow to enable the inner cavity of the cover cap and the dust collecting channel to form reflux; the utility model provides a calcium oxide raw materials for production conveying system can effectively fall the dust and collect dirt, improves the feature of environmental protection.
Drawings
Fig. 1 is a schematic diagram of the internal structure of the calcium oxide raw material conveying system of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the excitation box.
FIG. 3 is a schematic view showing the internal structure of the powder recovering machine.
Fig. 4 is a schematic view of the internal structure of the reflux unit.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.
As shown in fig. 1 to 4, the utility model discloses a calcium oxide raw material conveying system, including feeding storehouse 1, feeding conveyor 2, horizontal screening machine 3, breaker 4, powder reclaimer 5, first discharge conveyor 6, second discharge conveyor 7 and third discharge conveyor 8.
The feeding bin 1 is provided with a spray pipe 11, spray heads are distributed on the spray pipe 11, dust can be generated when raw ores enter the bin, and the dust can be reduced by spraying through the spray pipe 11. Dust covers are covered above the feeding conveyor 2, the first discharging conveyor 6, the second discharging conveyor 7 and the third discharging conveyor 8, and the dust covers can reduce dust flying of the conveyors in the aggregate conveying process. The one end that feeding conveyor 2 kept away from feeding storehouse 1 is equipped with calcining kiln waste heat drying tube 21, calcining kiln waste heat drying tube 21 connects the clout delivery pipe of calcining kiln, the surplus hot air current that utilizes calcining kiln dries the raw ore of feeding conveyor 2, can enough reduce because raw ore moisture content (spray the dust removal and lead to the raw ore moisture content to improve), avoid cone crusher 4 to take place to block up because the sizing, and reduce the time of calcining at the back, also can make full use of waste heat, need not the external heating source.
Be equipped with two-layer screen cloth in the horizontal screening machine 3, the feed end of breaker 4 is connected to the oversize discharge end of the first layer screen cloth of horizontal screening machine 3, the oversize discharge end of the second layer screen cloth is connected second discharge conveyor 7, the undersize discharge end of the second layer screen cloth is connected third discharge conveyor 8, the discharge end of breaker 4 is connected to first discharge conveyor 6, the position that each conveyer and horizontal screening machine 3, breaker 4 communicate covers equally and is equipped with the dust cover.
The horizontal screening machine 3 is provided with an excitation box 31, three rotating shafts 32 which are arranged side by side are arranged in the excitation box 31, one rotating shaft 32 is connected with power (not shown) for driving the horizontal screening to vibrate, each rotating shaft 32 is provided with a gear 33, each gear 33 is meshed with each other in pairs, and a deflection block 34 is detachably arranged on each gear 33.
Mounting holes are uniformly arranged on the gear 33 along the ring shape, the polarizing blocks 34 are mounted in the mounting holes through connecting pieces, the polarizing blocks 34 are formed by overlapping a plurality of polarizing plates with the same cross section shape, the polarizing angle can be adjusted by adjusting the positions of the polarizing blocks 34 on the gear 33, the amplitude can be adjusted by adjusting the number of the polarizing plates, the motion trail of the horizontal screen is elliptical, and the exciting forces generated by the polarizing blocks 34 are overlapped in the same direction when the gears 33 rotate to a certain angle; the angle between the major axis of the elliptical motion trajectory and the horizontal direction is 30 degrees to 60 degrees, and the vibration frequency can be realized by adjusting the rotation speed of the power unit 53.
The screen cloth in the horizontal screening machine 3 is a woven screen cloth or a punched screen cloth, the material outlet end on the screen cloth of the first layer of screen cloth is connected with the material inlet end of the crusher 4 through a chute, and the crusher 4 is a cone crusher 4.
The powder reclaimer 5 is arranged above the feeding hole of the crusher 4, the powder reclaimer 5 comprises a cover 51 arranged on the feeding hole of the crusher 4, a suction fan 52 arranged at the top of the inner cavity of the cover 51, a power unit 53 driving the suction fan 52 to rotate, a dust collecting channel 54 communicated with the top of the inner cavity of the cover 51 and a dust collecting bin 55 communicated with the dust collecting channel 54, and a reflux device 56 communicated with the inner cavity of the cover 51 and the dust collecting channel 54 is arranged in the middle of the cover 51
The cross-sectional opening of the dust collecting channel 54 gradually increases from top to bottom, the suction fan 52 sucks the dust nets generated during the crushing process of the crusher 4, and when the mixed dust-laden air flow enters the dust collecting channel 54, the flow velocity decreases due to the increase of the cross-sectional opening, and the dust falls under the action of gravity.
The dust collecting channel 54 is fixedly provided with a plurality of arc-shaped dust-blocking plates 541 inside, wherein two arc-shaped dust-blocking plates 541 are respectively arranged at the upper part and the lower part of the reflux device 56, the other arc-shaped dust-blocking plate 541 is fixedly arranged on the inner wall at the side opposite to the reflux device 56 and is positioned below the arc-shaped dust-blocking plate 541 at the lower part of the reflux device 56, the arc-shaped dust-blocking plates 541 enrich dust by using inertia, and the dust slides down after being accumulated and finally enters the dust collecting bin 55.
The first row of blades formed by small blades 561 and the first row of blades formed by large blades 562 are arranged on the reflux device 56, the cross section of the small blades 561 is in an inverted V shape, the small blades 561 and the large blades 562 are arranged in a staggered mode, the large blades 562 comprise inclined plates 5621, a first dust guard 5622 fixed to the end of the inclined plate 5621 near the cover 51, a second dust guard 5623 fixed to the middle of the inclined plate 5621 on the opposite side of the first dust guard 5622, the inclined plate 5621 being inclined downward toward the dust collecting path 54, the dust collected on the inclined plate 5621 can slide into the dust collecting channel 54, the small blade 561 and the large blade 562 are arranged obliquely, a labyrinth channel is formed between the small blade 561 and the large blade 562, the airflow sequentially flows through the small blade 561 and the large blade 562, the residual dust mixed in the airflow is inertially intercepted by the small blade 561, the first dust baffle 5622 and the second dust baffle 5623, and the dust slides along the inclined plate 5621 and enters the dust collecting channel 54. The top of the dust collecting chamber 55 is provided with a vent (not shown), and a cloth cover (not shown) is fixedly arranged on the vent, so that the cloth cover can isolate dust and conduct air flow.
The utility model provides a calcium oxide raw materials for production conveying system has following beneficial effect: the spraying pipe 11 on the feeding bin 1 sprays water for dedusting during blanking, a dust cover covers the upper part of each conveyor, and a calcining kiln waste heat drying pipeline 21 is arranged at one end of the feeding conveyor 2 far away from the feeding bin 1 and can be used for drying raw ores subjected to water spraying and dedusting; the screening machine carries out pre-screening on the raw materials, fine materials and slag materials are screened in advance, and abrasion of the crusher 4 is reduced; the powder reclaimer 5 is arranged above the feed inlet of the crusher 4 and used for collecting powder generated in the crushing process, the middle part of the cover 51 is provided with a reflux device 56 communicated with the inner cavity of the cover 51 and the dust collecting channel 54, and the reflux device 56 can separate dust and air flow to enable the inner cavity of the cover 51 and the dust collecting channel 54 to form reflux; the utility model provides a calcium oxide raw materials for production conveying system can effectively fall the dust and collect dirt, improves the feature of environmental protection.
The aforesaid is only a plurality of concrete implementation manners of the utility model, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.
Claims (9)
1. A calcium oxide raw materials for production conveying system which characterized in that: the device comprises a feeding bin, a feeding conveyor, a horizontal screening machine, a crusher, a powder recycling machine, a first discharging conveyor, a second discharging conveyor and a third discharging conveyor, wherein a spray pipe is arranged on the feeding bin, spray heads are distributed on the spray pipe, dust covers are covered above the feeding conveyor, the first discharging conveyor, the second discharging conveyor and the third discharging conveyor, a calcining kiln waste heat drying pipeline is arranged at one end, away from the feeding bin, of the feeding conveyor, two layers of screen meshes are arranged in the horizontal screening machine, the oversize discharging end of a first layer of screen mesh of the horizontal screening machine is connected with the feeding end of the crusher, the oversize discharging end of a second layer of screen mesh is connected with the second discharging conveyor, the undersize discharging end of the second layer of screen mesh is connected with the third discharging conveyor, the powder recycling machine is arranged above the feeding port of the crusher, and comprises a cover cap and a cover cap which are arranged on the feeding port of the crusher, The dust collector comprises a suction fan arranged at the top of an inner cavity of the cover, a power unit driving the suction fan to rotate, a dust collecting channel communicated with the top of the inner cavity of the cover and a dust collecting bin communicated with the dust collecting channel, wherein a reflux device communicated with the inner cavity of the cover and the dust collecting channel is arranged in the middle of the cover.
2. The calcium oxide production feedstock delivery system of claim 1, wherein: the horizontal screening machine is provided with an excitation box, three rotating shafts which are arranged side by side are arranged in the excitation box, one rotating shaft is connected with power for driving the horizontal screen to vibrate, a gear is arranged on each rotating shaft, every two gears are meshed, and a deflection block is detachably arranged on each gear.
3. The calcium oxide production feedstock delivery system of claim 2, wherein: the gear is provided with an installation hole along the ring shape, the polarization block is installed in the installation hole through a connecting piece, and the polarization block is formed by overlapping a plurality of polaroids with the same cross section shape.
4. The calcium oxide production feedstock delivery system of claim 1, wherein: the screen in the horizontal screening machine is a woven screen or a punched screen.
5. The calcium oxide production feedstock delivery system of claim 1, wherein: the material outlet end on the screen of the first layer of screen mesh is connected with the material inlet end of the crusher through a chute.
6. The calcium oxide production feedstock delivery system of claim 1, wherein: the crusher is a cone crusher.
7. The calcium oxide production feedstock delivery system of claim 1, wherein: the section opening of the dust collecting channel is gradually enlarged from top to bottom.
8. The calcium oxide production feedstock delivery system of claim 1, wherein: the dust collecting channel is internally and fixedly provided with a plurality of arc-shaped dust baffles, wherein two arc-shaped dust baffles are respectively arranged at the upper part and the lower part of the reflux device, and the other arc-shaped dust baffle is fixedly arranged on the inner wall of one side opposite to the reflux device and is positioned below the arc-shaped dust baffle at the lower part of the reflux device.
9. The calcium oxide production feedstock delivery system of claim 1, wherein: be equipped with the first row of blade that constitutes by little blade and the first row of blade that constitutes by big blade on the backward flow ware, little blade's cross sectional shape is the type of falling V, little blade and big blade staggered arrangement, big blade includes the swash plate, is close to the first dust board of the terminal rigid coupling of shroud with the swash plate, sets up in the second dust board with first dust board contralateral, rigid coupling and swash plate middle part, little blade and big blade are the slant and arrange, form labyrinth passage between little blade and the big blade.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922233606.0U CN211488065U (en) | 2019-12-13 | 2019-12-13 | Calcium oxide raw materials for production conveying system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922233606.0U CN211488065U (en) | 2019-12-13 | 2019-12-13 | Calcium oxide raw materials for production conveying system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115228592A (en) * | 2022-09-22 | 2022-10-25 | 常州市荣江机电有限公司 | Backfill conveying mechanism for mine production |
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2019
- 2019-12-13 CN CN201922233606.0U patent/CN211488065U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115228592A (en) * | 2022-09-22 | 2022-10-25 | 常州市荣江机电有限公司 | Backfill conveying mechanism for mine production |
| CN115228592B (en) * | 2022-09-22 | 2022-12-06 | 常州市荣江机电有限公司 | Backfill conveying mechanism for mine production |
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