CN213943449U - A dust recovery production line for broken system of carbide - Google Patents
A dust recovery production line for broken system of carbide Download PDFInfo
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- CN213943449U CN213943449U CN202021335748.4U CN202021335748U CN213943449U CN 213943449 U CN213943449 U CN 213943449U CN 202021335748 U CN202021335748 U CN 202021335748U CN 213943449 U CN213943449 U CN 213943449U
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- dust
- belt conveyor
- carbide
- feed inlet
- production line
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Abstract
The utility model belongs to the technical field of the dust is retrieved, a dust recovery production line for broken system of carbide is related to. This production line is retrieved to dust, including the coarse crusher that connects gradually, first band conveyer, thin breaker, second band conveyer, the lifting machine, the carbide feed bin, still include the dust remover, chain scraper conveyor, the feed inlet and the discharge gate department of coarse crusher to and the feed inlet and the discharge gate punishment of thin breaker are respectively through the gaseous access connection that contains dust of pipeline with the dust remover, chain scraper conveyor's feed end is located the dust export below of dust remover, the discharge end is located the feed inlet top of lifting machine. This production line is retrieved to dust through the reasonable cooperation and the utilization of each equipment, effectively reduces environmental pollution and wasting of resources, has promoted the utilization ratio of carbide, has reduced staff's intensity of labour, brings certain economic benefits for the enterprise.
Description
Technical Field
The utility model belongs to the technical field of the dust is retrieved, a dust recovery production line for broken system of carbide is related to.
Background
Energy conservation and emission reduction are basic national policies in China, and in addition to treatment of atmospheric and sewage pollution, dust is one of the key tasks of environmental protection in a plurality of elements for protecting the environment. Calcium carbide generates a large amount of dust in the processes of loading, unloading, transporting and crushing, and the dust can seriously pollute the surrounding environment on one hand and seriously harm the health of operators on the other hand; in addition, the calcium carbide dust also has a certain gas evolution amount, and has a plurality of benefits of cost reduction, efficiency improvement and the like in the actual production process.
The existing acetylene workshop can collect ton dust in the production process; the conventional dust removal work flow is that the electric lime at the crushing port, the feed port and the like is sucked into the dust remover through a draught fan matched with the dust removal system, then is collected through a dust removal cloth bag and a pulse electromagnetic valve of the dust remover, is discharged through a star-shaped discharge valve at the bottom of the dust remover, and finally is poured into the calcium carbide slurry tank through a manual dump truck.
In the dust removal mode, in the process of pouring the calcium carbide into the calcium carbide slurry tank through the manual dump truck, not only is the manual labor intensity large, but also the dust emission is very large, the environment is also greatly polluted, the field working environment is poor, meanwhile, the calcium carbide powder with a certain gas generation amount (30-150L/kg) is directly discarded, and the huge waste is caused to enterprises; more importantly, when the calcium carbide is poured into the carbide slag tank, the calcium carbide is very easy to catch fire and explode, and huge potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dust recovery production line for carbide crushing system effectively collects and utilizes the carbide lime in the carbide crushing process, reduces environmental pollution, reduces the potential safety hazard.
The utility model provides a technical problem as follows.
A dust recovery production line for a calcium carbide crushing system comprises a coarse crusher, a fine crusher, a first belt conveyor, a second belt conveyor, a lifter, a calcium carbide bin, a dust remover and a chain scraper conveyor; the feeding end of the first belt conveyor is positioned below the discharging port of the coarse crusher, the feeding port of the fine crusher is positioned below the discharging end of the first belt conveyor, the feeding end of the second belt conveyor is positioned below the discharging port of the fine crusher, the feeding port of the elevator is positioned below the discharging end of the second belt conveyor, and the discharging port of the elevator is connected with the feeding port of the calcium carbide bin; the feed inlet and the discharge outlet of the coarse crusher and the feed inlet and the discharge outlet of the fine crusher are respectively connected with a dust-containing gas inlet of the dust remover through pipelines; the feeding end of the chain scraper conveyor is positioned below the dust outlet of the dust remover, and the discharging end of the chain scraper conveyor is positioned above the feeding hole of the hoister. Above-mentioned technical scheme sends the carbide piece into the carbide feed bin after twice breakage, meanwhile, collects the carbide lime in the crushing process through the dust remover, and then in chain scraper conveyor and shared lifting machine carried to the carbide feed bin, on the one hand, avoids dust pollution environment, reduces the potential safety hazard, and on the other hand is used for acetylene production with the carbide granule jointly, reduces the wasting of resources.
Furthermore, in the dust recovery production line, the upper part of the conveying belt of the first belt conveyor and the upper part of the conveying belt of the second belt conveyor are respectively connected with a dust-containing gas inlet of the dust remover through pipelines; through collecting the lime of belt transmission process, further improve the utilization ratio of lime, reduce the pollution of dust to the environment.
Further, the dust recovery production line also comprises a dust collection cover; dust hoods are arranged at the feed inlet and the discharge outlet of the coarse crusher and at the feed inlet and the discharge outlet of the fine crusher; through the dust collection cover, the dust generated at the material port of the crusher is collected more completely.
Further, the dust recycling production line also comprises a chute; the discharge hole of the hoister is connected with the feed inlet of the calcium carbide bin through a chute; through setting up the chute, guarantee the smooth inflow of carbide feed bin of carbide lime of collecting.
Further, in the dust recovery production line, the first belt conveyor is a large-inclination-angle belt conveyor; the coarse crusher can be installed underground or semi-underground, so that the manpower and material resources for calcium carbide block transportation are saved, and the aboveground space is saved.
Further, this dust recovery production line, the dust exit of dust remover is provided with star type discharge valve.
The utility model discloses a dust recovery production line for carbide crushing system effectively collects the carbide lime that produces in the whole crushing process of carbide to further send into the carbide feed bin and recycle, reduce the pollution of carbide lime to the environment, avoid because the potential safety hazard that carbide lime emptys and bring, and make the carbide lime resource can effectual utilization, save a large amount of manpower and materials for the enterprise, simultaneously, save the manufacturing cost of acetylene processing for the enterprise; this production line is retrieved to dust through the reasonable cooperation and the utilization of each equipment, effectively reduces environmental pollution and wasting of resources, has promoted the utilization ratio of carbide, has reduced staff's intensity of labour, brings certain economic benefits for the enterprise.
Drawings
Fig. 1 is the utility model discloses a structure schematic diagram that is used for the dust recovery production line of carbide crushing system.
The codes in the figures are respectively: the device comprises a rough crusher 1, a fine crusher 2, a first belt conveyor 3-1, a second belt conveyor 3-2, a lifter 4, a calcium carbide bin 5, a dust remover 6, a chain scraper conveyor 7, a dust collection cover 8 and a chute 9.
Detailed Description
As shown in fig. 1, a dust recovery production line for a calcium carbide crushing system comprises a rough crusher 1, a fine crusher 2, a first belt conveyor 3-1, a second belt conveyor 3-2, a lifter 4, a calcium carbide bin 5, a dust remover 6, a chain scraper conveyor 7, a dust collection cover 8 and a chute 9.
The feeding end of the first belt conveyor 3-1 is positioned below the discharging port of the coarse crusher 1, the feeding port of the fine crusher 2 is positioned below the discharging end of the first belt conveyor 3-1, the feeding end of the second belt conveyor 3-2 is positioned below the discharging port of the fine crusher 2, the feeding port of the elevator 4 is positioned below the discharging end of the second belt conveyor 3-2, and the discharging port of the elevator 4 is connected with the feeding port of the calcium carbide bin 5 through a chute 9; further, the coarse crusher 1 is a 600 × 900 crusher, the fine crusher 2 is a 400 × 600 crusher, and the first belt conveyor 3-1 is a large-inclination belt conveyor.
The dust hood 8 is arranged at the feed inlet and the discharge outlet of the coarse crusher 1 and the feed inlet and the discharge outlet of the fine crusher 2, and the dust hood 8 is connected with the dust hood through pipelines respectively, so that the dust-containing gas inlet of the dust remover 6 is connected with the dust gas generating part of the crusher; meanwhile, the upper part of the conveying belt of the first belt conveyor 3-1 and the upper part of the conveying belt of the second belt conveyor 3-2 are respectively connected with a dust-containing gas inlet of the dust remover 6 through pipelines, at the moment, the peripheries of the first belt conveyor 3-1 and the second belt conveyor 3-2 are prevented from entering air by a mode of wrapping a dustproof cover body, so that dust on the belt conveyors is collected more completely, and in addition, a star-shaped discharge valve is arranged at a dust outlet of the dust remover 6.
The feeding end of the chain scraper conveyor 7 is positioned below the dust outlet of the dust remover 6, and the discharging end is positioned above the feeding hole of the hoister 4.
The working process of the dust recovery production line for the calcium carbide crushing system comprises the following steps of conveying calcium carbide blocks to be crushed into a coarse crusher 1 for primary crushing, conveying the calcium carbide blocks subjected to coarse crushing into a fine crusher 2 for secondary crushing by using a first belt conveyor 3-1, and conveying the obtained calcium carbide particles into a calcium carbide bin 5 sequentially by using a second belt conveyor 3-2 and a lifting machine 4; at the broken in-process of carbide piece, the produced carbide lime of breaker and band conveyer all passes through the pipeline and collects in dust remover 6 to send the carbide lime of collecting into chain scraper conveyor 7 through the star type discharge valve of 6 dust exits in dust remover, further carry to carbide feed bin 5 in through lifting machine 4 again, obtain the carbide granule jointly as the raw materials with the breakage, further be used for next production processes such as acetylene production.
In the actual production process, 200000t calcium carbide is consumed for acetylene one year according to the annual production of 10 ten thousand tons of PVA; according to the production line, 2000t of calcium carbide dust can be recycled every year according to the ashing rate of 1% of each ton of calcium carbide, the standard calcium carbide is converted into 1000t, and 230 ten thousand (1000 t multiplied by 2300 yuan/t =230 ten thousand) can be saved every year; meanwhile, the post of dust removal and ash pulling workers can be cancelled, and the labor cost can be saved by 7.2 ten thousand (3000 yuan/person × 1 person × 12 month is 3.6 ten thousand) each year; the total benefit of one year is 233.6 ten thousand yuan.
According to the production line, through the modification of the dust remover, manual ash discharge is cancelled, and instead, a star-shaped discharge valve and an FU type chain scraper conveyor recover calcium carbide, so that the utilization rate of calcium carbide is effectively improved, the labor intensity is reduced, and staff personnel are reduced; meanwhile, the potential safety hazard is solved, the dust pollution is avoided, the working environment of the staff is improved, and the physical and mental health of the staff is utilized; more importantly, the production raw materials are saved, good economic benefits are brought to enterprises, and certain contribution is made to energy conservation and emission reduction of China.
Claims (6)
1. A dust recovery production line for a calcium carbide crushing system is characterized by comprising a coarse crusher (1), a fine crusher (2), a first belt conveyor (3-1), a second belt conveyor (3-2), a lifting machine (4), a calcium carbide bin (5), a dust remover (6) and a chain scraper conveyor (7);
the feeding end of the first belt conveyor (3-1) is positioned below the discharging port of the coarse crusher (1), the feeding port of the fine crusher (2) is positioned below the discharging end of the first belt conveyor (3-1), the feeding end of the second belt conveyor (3-2) is positioned below the discharging port of the fine crusher (2), the feeding port of the elevator (4) is positioned below the discharging end of the second belt conveyor (3-2), and the discharging port of the elevator (4) is connected with the feeding port of the calcium carbide bin (5);
the feed inlet and the discharge outlet of the coarse crusher (1) are respectively connected with a dust-containing gas inlet of the dust remover (6) through pipelines; the feed inlet and the discharge outlet of the fine crusher (2) are respectively connected with a dust-containing gas inlet of the dust remover (6) through pipelines;
the feeding end of the chain type scraper conveyor (7) is positioned below the dust outlet of the dust remover (6), and the discharging end is positioned above the feeding hole of the elevator (4).
2. The dust recycling line of claim 1, wherein the upper part of the conveying belt of the first belt conveyor (3-1) and the upper part of the conveying belt of the second belt conveyor (3-2) are respectively connected with the dust-containing gas inlet of the dust remover (6) through pipes.
3. A dust recycling line according to claim 1, further comprising a dust cage (8); the dust hood (8) is arranged at the feed inlet and the discharge outlet of the coarse crusher (1), and the dust hood (8) is arranged at the feed inlet and the discharge outlet of the fine crusher (2).
4. A dust recycling line according to claim 1, further comprising a chute (9); and a discharge hole of the hoister (4) is connected with a feed inlet of the calcium carbide bin (5) through a chute (9).
5. A dust recycling line according to claim 1, characterized in that said first belt conveyor (3-1) is a large-inclination belt conveyor.
6. A dust recycling line according to claim 1, characterized in that the dust outlet of the dust separator (6) is provided with a star-shaped discharge valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021335748.4U CN213943449U (en) | 2020-07-09 | 2020-07-09 | A dust recovery production line for broken system of carbide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021335748.4U CN213943449U (en) | 2020-07-09 | 2020-07-09 | A dust recovery production line for broken system of carbide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213943449U true CN213943449U (en) | 2021-08-13 |
Family
ID=77191766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021335748.4U Expired - Fee Related CN213943449U (en) | 2020-07-09 | 2020-07-09 | A dust recovery production line for broken system of carbide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213943449U (en) |
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2020
- 2020-07-09 CN CN202021335748.4U patent/CN213943449U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210813 |