CN219441984U - Safe and efficient clean production device for reducing crushing and screening dust - Google Patents
Safe and efficient clean production device for reducing crushing and screening dust Download PDFInfo
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- CN219441984U CN219441984U CN202320364231.5U CN202320364231U CN219441984U CN 219441984 U CN219441984 U CN 219441984U CN 202320364231 U CN202320364231 U CN 202320364231U CN 219441984 U CN219441984 U CN 219441984U
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Abstract
The utility model discloses a clean production device for safely and efficiently reducing crushing and screening dust, which comprises a jaw crusher, a cone crusher, a vibrating screen, a dust remover, a mineral collecting pond, a reservoir and a transit pond, wherein the jaw crusher is arranged on the jaw crusher; the jaw crusher, the cone crusher and the vibrating screen are provided with dust hoods which are connected with the dust remover through pipelines; the dust remover is arranged above the ore collecting pool; the reservoir is positioned at one side of the ore collecting tank so as to ensure that the upper overflow water of the ore collecting tank enters the reservoir, and a discharge hole at the bottom of the ore collecting tank is connected with the transit tank through a pipeline; the reservoir is connected with the ore collecting pool through a pump and a pipeline; the slurry in the transfer pond is used for entering the production system through a pipeline and a pump. The utility model has simple structure and high dust removal efficiency, realizes effective control of dust discharge, combines production water to make slurry, ensures that collected dust enters a production system, improves the utilization rate of the dust and the production water, and saves resources and production cost.
Description
Technical Field
The utility model belongs to the field of clean production, and particularly relates to a clean production device for safely and efficiently reducing broken and screened dust.
Background
The rapid development of industry tends to cause certain environmental pollution, and industries such as coal mine, cement, thermal power, chemical industry and the like can generate a large amount of dust in the production process, so that the working environment of the factory is polluted, and the physical health of workers is threatened. In this regard, the dust collector plays a very important role in the aspect of industrial production and environmental protection. Meanwhile, as national living standard is improved, the requirements of people on living environment are improved, and the national policy is also improved on the emission limit value of particulate matters, so that the requirements on the dust remover in production are higher and higher, and the traditional dust remover cannot meet the actual use requirements at present in a certain sense.
The in-process of crushing, ejection of compact and screening is being broken to current crushing, screening equipment, because dust particle diameter is less, therefore it can separate with the building stones to float in the air, thereby cause the air quality in the surrounding environment poor, be inhaled into the health easily and cause certain damage to staff's health, current general adoption: 1. the fan leads the dust out of the working environment, or 2, water is sprayed to inhibit dust emission, but the dust led out of the working environment causes external environmental pollution, and the dust emission is easy to exceed the standard; meanwhile, both methods cause waste of stone dust resources, so that the practicability is poor.
Disclosure of Invention
The utility model aims to solve the technical problems of providing a clean production device for safely and efficiently reducing crushing and screening dust, which aims at the defects of the prior art, has the advantages of simple structure and high dust removal efficiency, realizes effective control of dust emission, and simultaneously combines production water to make slurry so that collected dust enters a production system, improves the utilization rate of the dust and the production water, and saves resources and production cost.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
the clean production device for safely and efficiently reducing crushing and screening dust comprises a jaw crusher, a cone crusher, a vibrating screen, a dust remover, a mineral collecting pond, a water reservoir and a transfer pond; the jaw crusher, the cone crusher and the vibrating screen are provided with dust hoods, and the dust hoods are connected with the dust remover through pipelines; the dust remover is arranged above the ore collecting pool; the reservoir is positioned at one side of the ore collecting tank so as to ensure that overflow water at the upper layer of the ore collecting tank enters the reservoir, and a discharge hole at the bottom of the ore collecting tank is connected with the transit tank through a pipeline; the reservoir is connected with the ore collecting pond through a pump and a pipeline; the ore pulp in the transfer tank is used for entering the production system through a pipeline and a pump.
According to the technical scheme, a discharge port of the jaw crusher is communicated with a feed port of the vibrating screen through a first belt conveyor, a coarse particle discharge port of the vibrating screen is communicated with a feed port of the cone crusher through a second belt conveyor, and a discharge port of the cone crusher is communicated with a feed port of the vibrating screen through the first belt conveyor.
As a further improved technical scheme of the utility model, a dust hood is communicated with a crushing cavity shell of the jaw crusher, a discharge opening of the jaw crusher is communicated with the dust hood, and the dust hood at the discharge opening of the jaw crusher is covered on a belt of the first belt conveyor.
As a further improved technical scheme of the utility model, a dust hood is arranged above a feed inlet of the cone crusher, a discharge outlet of the cone crusher is communicated with the dust hood, and the dust hood at the discharge outlet of the cone crusher is covered on a belt of the first belt conveyor.
As a further improved technical scheme of the utility model, a closed box body is arranged around a feed inlet of the cone crusher, the closed box body is communicated with the dust hood in a sealing way, an observation opening is further formed in the closed box body, rubber pads are arranged around the observation opening, the observation opening is hinged with a cover plate through a hinge, and the cover plate is sealed with the rubber pads.
As a further improved technical scheme of the utility model, the dust hood which is communicated with the discharge port of the jaw crusher in a sealing way and the dust hood which is communicated with the discharge port of the cone crusher in a sealing way are of an integrated structure, and the integrated structure is connected with a belt on the first belt conveyor in a sliding way through a belt edge skin in a sealing way.
As a further improved technical scheme of the utility model, the angle between the dust hood which is in sealing communication with the discharge opening of the jaw crusher and the discharge opening dripping groove of the jaw crusher is 50-70 degrees, and the angle between the dust hood which is in sealing communication with the discharge opening of the cone crusher and the discharge opening dripping groove of the cone crusher is 50-70 degrees.
As a further improved technical scheme of the utility model, the vibrating screen is a totally-enclosed vibrating screen, and the totally-enclosed vibrating screen of the vibrating screen is communicated with a dust hood in a sealing way.
As a further improved technical scheme of the utility model, the dust remover is a DZF4-2.0 microporous membrane high-efficiency filter dust remover, the bottom of the dust remover is provided with a drain outlet, a drain valve is connected to the drain outlet, and the drain outlet is arranged above the ore collecting pool, so that dust in the dust remover is discharged from the drain outlet to the ore collecting pool.
As a further improved technical scheme of the utility model, the bottom of the ore collecting tank has a certain inclination angle with the horizontal plane, and the bottom discharge port of the ore collecting tank has a height difference with the feeding port of the transfer tank, so that ore pulp automatically flows into the transfer tank through a pipeline, and the lower end of the feeding port of the transfer tank is provided with a filter screen.
The beneficial effects of the utility model are as follows:
the jaw crusher, the cone crusher and the feeding end of the vibrating screen are in a fully-closed state, so that dust escape can be effectively avoided, and meanwhile, an observation port is arranged at the feeding end to pay attention to feeding conditions at any time; the angle between the dust hood above the first belt conveyor and the dripping groove of the discharging port of the crusher is controlled within the range of 50-70 degrees, so that coarse particle materials on the belt can be prevented from being sucked when the angle is too small, and the problem of low dust absorption rate when the angle is too large can be avoided; the dust hood above the first belt conveyor is in sealed sliding connection with the belt by adopting the belt edge skin, so that the dust hood can be well formed into a closed whole, and the normal operation of the belt is not influenced; the structure is simple, the service life is long, the dust collection efficiency is high, and the total dust collection efficiency can reach 99.9-99.99%; the dust is collected through the microporous membrane high-efficiency filtration dust remover, the dust with larger particles entering the dust remover is slowed down due to the air flow speed, the dust with smaller particles enters the lower box body of the dust remover under the action of self gravity, the dust-containing air flow is filtered on the microporous membrane under the action of pressure difference, the dust is trapped on the microporous membrane, and the filtered clean air is discharged through the air outlet, so that the effective control of the dust discharge amount is realized, when the dust on the surface of the microporous membrane is accumulated to a certain thickness, most of the dust falls off to the lower box body under the action of self gravity, the dust stuck on the microporous membrane falls off to the lower box body by the blowing of compressed air, and the dust in the lower box body is discharged from the sewage outlet to the ore collecting pool; the ore collecting tank is arranged to be used for storing materials in a slope manner, so that dust collection and flushing of production water are facilitated, and a certain height difference is arranged between a discharge hole of the ore collecting tank and a feed hole of the transfer tank, so that ore pulp can flow into the transfer tank automatically, and meanwhile, pipeline blockage is avoided; the lower end of the feeding port of the transfer tank is provided with a filter screen for filtering some impurity substances so as to avoid blocking the pipeline and facilitate the normal operation of the system; the upper overflow water in the ore collecting pond enters the reservoir, the water in the reservoir is used for flushing dust falling into the ore collecting pond, recycling of production water is achieved, meanwhile ore pulp formed in the ore collecting pond finally enters the production system for sorting, the utilization rate of the dust is effectively improved, and comprehensive utilization of resources is achieved.
Drawings
FIG. 1 is a schematic structural view of a clean production device for safely and efficiently reducing broken and screened dust;
FIG. 2 is a schematic diagram of a crushing plant structure of the clean production device for safely and efficiently reducing crushing and screening dust;
FIG. 3 is a schematic view of the structure of an observation port of the clean production device for safely and efficiently reducing broken and screened dust;
FIG. 4 is a schematic view of the dust collector area of the clean production device for safely and efficiently reducing broken and screened dust;
wherein, 1, jaw crusher; 2. a cone crusher; 3. a vibrating screen; 4. a dust remover; 5. a collection pool; 6. a reservoir; 7. a transfer pool; 8. coarse particles return to the tank; 9. an observation port; 10. a dripping groove; 11. a dust hood; 12. a belt edge skin; 13, closing the box body; 14. a hinge; 15. a cover plate; 16. a rubber pad; 17. an air inlet; 18. an air outlet; 19. an upper case; 20. a lower box body; 21. a sewage outlet; 22. a first belt conveyor; 23. a second belt conveyor; 24. a pipeline.
Detailed Description
The following is a further description of embodiments of the utility model, with reference to the accompanying drawings:
as shown in figure 1, the clean production device for safely and efficiently reducing crushing and screening dust comprises a jaw crusher 1, a cone crusher 2, a vibrating screen 3, a dust remover 4, a mineral collecting tank 5, a water reservoir 6 and a transit tank 7; the jaw crusher 1, the cone crusher 2 and the vibrating screen 3 are respectively provided with a dust hood 11, and the dust hoods 11 are respectively connected with an air inlet 17 of the dust remover 4 through pipelines 24; the dust remover 4 is arranged above the ore collecting pool 5; the reservoir 6 is positioned at one side of the ore collecting tank 5 so as to ensure that overflow water at the upper layer of the ore collecting tank 5 enters the reservoir 6, and a discharge hole at the bottom of the ore collecting tank 5 is connected with the transit tank 7 through a pipeline 24; the reservoir 6 is connected with the ore collecting tank 5 through a pump and a pipeline 24, and the water in the ore collecting tank 5 and the reservoir 6 are recycled; the slurry in the transfer tank 7 is used to enter the production system via a pipe 24 and a pump.
Specifically, as shown in fig. 1, the discharge port of the jaw crusher 1 is communicated with the feed port of the vibrating screen 3 through a first belt conveyor 22, the coarse particle discharge port (i.e., the coarse particle return tank 8) of the vibrating screen 3 is communicated with the feed port of the cone crusher 2 through a second belt conveyor 23, and the discharge port of the cone crusher 2 is communicated with the feed port of the vibrating screen 3 through the first belt conveyor 22.
As shown in fig. 2, the multiple suction hoods 11 at the jaw crusher 1 are respectively disposed at the crushing cavity of the jaw crusher 1 and the position where dust falls to the first belt conveyor 22, that is, the suction hoods 11 are communicated with the crushing cavity shell of the jaw crusher 1, the suction hood 11 is communicated with the discharge opening of the jaw crusher 1, and the suction hood 11 at the discharge opening of the jaw crusher 1 is covered on the belt of the first belt conveyor 22.
As shown in fig. 2, a plurality of dust suction hoods 11 at the cone crusher 2 are respectively arranged above the feeding hole and the dust is blanked to the first belt conveyor 22; namely, a dust hood 11 is arranged above the feed inlet of the cone crusher 2, specifically, a closed box 13 is covered around the feed inlet of the cone crusher 2 and outside the feed belt head of the second belt conveyor 23, the closed box 13 is fixedly connected with the shell of the cone crusher 2 in a sealing way, the closed box 13 is communicated with the dust hood 11 in a sealing way, an observation port 9 is further arranged on the closed box 13, as shown in fig. 3, rubber pads 16 are arranged around the observation port 9, a cover plate 15 (steel plate) is hinged to the observation port 9 through a hinge 14, and the cover plate 15 is sealed with the rubber pads 16 in a sealing way; the discharge opening of the cone crusher 2 is communicated with a dust hood 11, and the dust hood 11 at the discharge opening of the cone crusher 2 is covered on the belt of the first belt conveyor 22.
The dust hood 11 communicated with the discharge port of the jaw crusher 1 and the dust hood 11 communicated with the discharge port of the cone crusher 2 are of an integrated structure, and the integrated structure is in sealed sliding connection with a belt on the first belt conveyor 22 through a belt edge 12.
As shown in fig. 2, the angle between the suction hood 11 in sealing communication with the discharge opening of the jaw crusher 1 and the discharge opening dripping groove 10 of the jaw crusher 1 is 50-70 degrees, and the angle between the suction hood 11 in sealing communication with the discharge opening of the cone crusher 2 and the discharge opening dripping groove 10 of the cone crusher 2 is 50-70 degrees.
The vibrating screen 3 adopts a totally-enclosed vibrating screen 3, and a dust hood 11 is communicated with an upper box body of the totally-enclosed vibrating screen 3 of the vibrating screen 3 in a sealing way.
The dust remover 4 is a DZF4-2.0 microporous membrane high-efficiency filter dust remover, and consists of a dust remover air inlet 17, a filter system, an air outlet 18, a dust removing system, an upper box 19, a lower box 20, a dust discharging device and the like. As shown in fig. 4, a drain outlet 21 is arranged at the bottom of the dust remover 4, a drain valve is connected to the drain outlet 21, and the drain outlet 21 is arranged above the ore collecting tank 5, so that dust in the dust remover 4 is discharged from the drain outlet 21 to the ore collecting tank 5.
The bottom of the ore collecting tank 5 has a certain inclination angle with the horizontal plane, and the bottom discharge port of the ore collecting tank 5 has a height difference with the feeding port of the transit tank 7, so that ore pulp in the ore collecting tank 5 automatically flows into the transit tank 7 through a pipeline 24, and a filter screen is arranged at the lower end of the feeding port of the transit tank 7.
The jaw breaker 1 of this embodiment, cone crusher 2 and shale shaker 3's feed end outside all is covered with closed box 13 to in preventing the dust of feed end department entering production environment, set up viewing aperture 9 on the closed box 13, as shown in fig. 3, still be provided with viewing aperture 9 on the closed box 13, be equipped with the rubber pad around viewing aperture 9, viewing aperture 9 articulates through hinge 14 has apron 15, for reaching better sealed effect, the rubber pad is arranged in between closed box 13 and the apron 15, apron 15 and viewing aperture 9 are sealed through the rubber pad lid and are closed.
The jaw crusher 1 and the cone crusher 2 of the embodiment are transported to the vibrating screen 3 by the first belt conveyor 22, the oversize products are returned to the second belt conveyor 23 through coarse particles, and are transported to the cone crusher 2 by the second belt conveyor 23 for crushing again, and the undersize products are transported to the fourth belt conveyor by the third belt conveyor for entering the powder ore bin for subsequent operation.
In the dust removal process, the crushing cavity of the jaw crusher 1, the feed inlet of the cone crusher 2 and the inner dust generated by the operation of the vibrating screen 3 are sucked into the dust remover 4 through the communication pipeline 24 of the dust hood 11, and meanwhile, the dust raised when the crushed products of the jaw crusher 1 and the cone crusher 2 fall onto the belt of the first belt conveyor 22 is sucked into the dust remover 4 through the communication pipeline 24 of the dust hood 11. The dust with larger particles entering the dust remover 4 is settled into the lower box body 20 of the dust remover 4 under the action of self gravity due to the slow speed of the air flow; the dust with smaller particles enters the microporous membrane filter material along with the air flow, the dust-containing air flow is filtered on the microporous membrane under the action of pressure difference, the dust is trapped on the microporous membrane, and the filtered clean air is discharged through the upper box 19 and the air outlet 18. When the dust on the surface of the microporous membrane is accumulated to a certain thickness, most of the dust falls off under the action of self gravity, and the dust stuck on the microporous membrane is blown off to the lower box body 20 by compressed air, and the dust in the lower box body 20 is discharged from the sewage outlet 21. The dust falls into the collection tank 5 and deposits, and the upper overflow water of collection tank 5 can get into cistern 6 through flowing automatically for follow-up slurrying uses, and the bottom ore pulp is accumulated to the back of certain degree, in carrying collection tank 5 with the production water in the cistern 6 through the pump to wash with the production water and make the thick liquid, then the ore pulp flows automatically through pipeline 24 and gets into transit pond 7, and the rethread pump is beaten to production system, improves the utilization ratio to dust and production water, resources are saved and manufacturing cost.
Through technological improvement, the clean production side device for safely and efficiently reducing the crushing and screening dust has good operation condition, the dust removal efficiency is improved to 99.5%, the concentration of the particulate matters at the discharge port is less than 10mg/m < 3 > of a special discharge limit value, the discharge amount of heavy metals is reduced by more than 20%, and the requirements of government environmental protection on the fact that the concentration of the particulate matters at the discharge port of the crushing and screening waste gas must be lower than the special discharge limit value of 'lead-zinc industrial pollutant discharge standard (GB 25466-2010) order repairing', and the discharge amount of the heavy metals is reduced by 15% than before are met. In addition, all dust collected in the system reenters the production system, 450 tons of raw ore can be recovered each year, the utilization rate of the dust is greatly improved, the environment is protected, and the comprehensive utilization of resources is realized.
The scope of the present utility model includes, but is not limited to, the above embodiments, and any alterations, modifications, and improvements made by those skilled in the art are intended to fall within the scope of the utility model.
Claims (10)
1. The utility model provides a safe high-efficient clean apparatus for producing who reduces crushing screening dust, includes jaw breaker, cone crusher and shale shaker, its characterized in that: the device also comprises a dust remover, a mineral collecting pool, a reservoir and a transit pool; the jaw crusher, the cone crusher and the vibrating screen are provided with dust hoods, and the dust hoods are connected with the dust remover through pipelines; the dust remover is arranged above the ore collecting pool; the reservoir is positioned at one side of the ore collecting tank so as to ensure that overflow water at the upper layer of the ore collecting tank enters the reservoir, and a discharge hole at the bottom of the ore collecting tank is connected with the transit tank through a pipeline; the reservoir is connected with the ore collecting pond through a pump and a pipeline; the ore pulp in the transfer tank is used for entering the production system through a pipeline and a pump.
2. The clean production device for safely and efficiently reducing crushing and screening dust according to claim 1, which is characterized in that: the discharge port of the jaw crusher is communicated with the feed port of the vibrating screen through a first belt conveyor, the coarse particle discharge port of the vibrating screen is communicated with the feed port of the cone crusher through a second belt conveyor, and the discharge port of the cone crusher is communicated with the feed port of the vibrating screen through a first belt conveyor.
3. The clean production device for safely and efficiently reducing crushing and screening dust according to claim 2, which is characterized in that: the crushing cavity shell of the jaw crusher is communicated with a dust hood, the discharge opening of the jaw crusher is communicated with the dust hood, and the dust hood at the discharge opening of the jaw crusher is covered on the belt of the first belt conveyor.
4. The clean production device for safely and efficiently reducing crushing and screening dust according to claim 3, wherein the clean production device comprises the following components: a dust hood is arranged above the feed inlet of the cone crusher, the discharge outlet of the cone crusher is communicated with the dust hood, and the dust hood at the discharge outlet of the cone crusher is covered on a belt of the first belt conveyor.
5. The clean production device for safely and efficiently reducing crushing and screening dust according to claim 4, which is characterized in that: the cone crusher is characterized in that a closed box body is arranged around a feed inlet of the cone crusher and is communicated with the dust hood in a sealing mode, an observation opening is further formed in the closed box body, rubber pads are arranged around the observation opening, a cover plate is hinged to the observation opening through a hinge, and the cover plate is sealed with the rubber pads in a sealing mode.
6. The clean production device for safely and efficiently reducing crushing and screening dust according to claim 4, which is characterized in that: the suction hood with the jaw crusher discharge port in sealing communication is of an integrated structure with the suction hood with the cone crusher discharge port in sealing communication, and the integrated structure is in sealing sliding connection with a belt on the first belt conveyor through a belt edge skin.
7. The clean production device for safely and efficiently reducing crushing and screening dust according to claim 6, wherein the clean production device comprises the following components: the angle between the dust hood and the discharge hole dripping groove of the jaw crusher is 50-70 degrees, and the angle between the dust hood and the discharge hole dripping groove of the cone crusher is 50-70 degrees.
8. The clean production device for safely and efficiently reducing crushing and screening dust according to claim 1, which is characterized in that: the vibrating screen is a totally-enclosed vibrating screen, and the totally-enclosed vibrating screen of the vibrating screen is communicated with a dust hood in a sealing way.
9. The clean production device for safely and efficiently reducing crushing and screening dust according to claim 1, which is characterized in that: the dust remover is a DZF4-2.0 microporous membrane high-efficiency filtering dust remover, a drain outlet is arranged at the bottom of the dust remover, a drain valve is connected to the drain outlet, and the drain outlet is arranged above the ore collecting pool, so that dust in the dust remover is discharged from the drain outlet to the ore collecting pool.
10. The clean production device for safely and efficiently reducing crushing and screening dust according to claim 1, which is characterized in that: the bottom of the ore collecting tank is inclined with the horizontal plane, and the bottom discharge port of the ore collecting tank is level-different from the feeding port of the transfer tank, so that ore pulp automatically flows into the transfer tank through a pipeline, and a filter screen is arranged at the lower end of the feeding port of the transfer tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320364231.5U CN219441984U (en) | 2023-03-02 | 2023-03-02 | Safe and efficient clean production device for reducing crushing and screening dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320364231.5U CN219441984U (en) | 2023-03-02 | 2023-03-02 | Safe and efficient clean production device for reducing crushing and screening dust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219441984U true CN219441984U (en) | 2023-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320364231.5U Active CN219441984U (en) | 2023-03-02 | 2023-03-02 | Safe and efficient clean production device for reducing crushing and screening dust |
Country Status (1)
| Country | Link |
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| CN (1) | CN219441984U (en) |
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2023
- 2023-03-02 CN CN202320364231.5U patent/CN219441984U/en active Active
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