CN211190993U - Dry method mechanism grit screening plant - Google Patents

Dry method mechanism grit screening plant Download PDF

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Publication number
CN211190993U
CN211190993U CN201922016316.0U CN201922016316U CN211190993U CN 211190993 U CN211190993 U CN 211190993U CN 201922016316 U CN201922016316 U CN 201922016316U CN 211190993 U CN211190993 U CN 211190993U
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China
Prior art keywords
box
screening
box body
cavity
suction
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Active
Application number
CN201922016316.0U
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Chinese (zh)
Inventor
王庆涛
李福献
蔡赫
帖锋斌
陈涛
陈健
马军山
张洋
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China Railway 20th Bureau Group Corp
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China Railway 20th Bureau Group Corp
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Abstract

The utility model discloses a dry process mechanism grit screening plant, comprising a box body and a box cover, two-stage screening mechanism, suction fan and filtering mechanism, two-stage screening mechanism is including the coarse stone screening board and the fine stone screening board that lay in proper order from top to bottom, the inside detachable dump bin that is provided with of box, be connected with the suction box that is located the case lid top on the suction fan, filtering mechanism includes the filtration box of fixed mounting in the box outside, filter the inside filter partition of laying perpendicularly of box for first cavity and second cavity, be linked together through pipeline between first cavity and the suction box, be linked together through the waste collecting pipe of slope between the bottom of first cavity and the box. The utility model discloses simple structure collects and filtration treatment through the gas that contains the dust of a large amount of suspensions in to the box, can improve the cleanliness of screening environment in the box, can avoid the harm that causes of operating personnel's health, satisfies the environmental protection requirement of green construction, excellent in use effect.

Description

Dry method mechanism grit screening plant
Technical Field
The utility model belongs to the technical field of the mechanism grit, concretely relates to dry process mechanism grit screening plant.
Background
Machine-made sand is generally artificial sand, also called broken sand, which is repeatedly broken by a sand making machine from broken stones and gravels to a particle size of less than 5 mm. The manufacturing process of the machine-made sandstone is to repeatedly crush and then screen the crushed stone. In-process at the production of mechanism grit, need sieve the grit after the breakage, current screening plant generally is direct to let in the material to the screening built-in, then carries out screening in grades through the sieve, though this kind of mode is efficient, but the opening blowout of feed inlet and screening case top is followed easily to the dust in the screening process, can cause very big environmental pollution, and uses the back raise dust ratio in the air for a long time more seriously, has very big harm to operating personnel's health. Traditional dry process mechanism grit screening plant, the dust that produces when can not screening the grit carries out fine absorption and collection, and the dust causes the influence to the surrounding environment easily during screening, is difficult to guarantee the quality of environment, is difficult to guarantee operating personnel's health, and the operating personnel of also being convenient for collects and utilizes it, and whole practicality is not strong, and the operating personnel of being inconvenient for operates, safe and reliable inadequately, consequently, should provide a dry process mechanism grit screening plant who has dust adsorption function.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed against, provide a dry process mechanism grit screening plant, its simple structure, reasonable in design collect and filtration treatment through the gas that contains the dust of a large amount of suspensions in to the box, can improve the cleanliness of screening environment in the box, can avoid the harm that causes of operating personnel's health, satisfy the environmental protection requirement of green construction, excellent in use effect.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a dry process mechanism grit screening plant which characterized in that: comprises a box body and a box cover which are mutually buckled, a two-stage screening mechanism arranged in the box body, a suction fan arranged at the top of the box cover and a filtering mechanism communicated with the suction fan, wherein the box cover is provided with a feed hopper, the two-stage screening mechanism comprises a coarse stone screening plate and a fine stone screening plate which are sequentially arranged from top to bottom, a detachable waste bin is arranged in the box body, the waste bin is positioned under the fine stone screening plate, the suction fan is connected with a suction box positioned at the top end of the box cover, the suction box is connected with a suction hopper positioned in the box cover, the filtering mechanism comprises a filtering box body fixedly arranged outside the box body, the inside of the filtering box body is divided into a first cavity and a second cavity through a vertically arranged filtering plate, and the first cavity is communicated with the suction box through a conveying pipeline, the top of the filtering box body is provided with an exhaust pipe communicated with the second cavity, the bottom of the first cavity is communicated with the box body through an inclined waste collecting pipe, and the lower end of the waste collecting pipe is located above the waste box.
Foretell dry process mechanism grit screening plant which characterized in that: the coarse stone screening plate and the fine stone screening plate are parallel, and both the coarse stone screening plate and the fine stone screening plate are in an inclined state.
Foretell dry process mechanism grit screening plant which characterized in that: the high-end of coarse stone screening board with the high-end of fine stone screening board all is connected with vibrating motor, the low end of coarse stone screening board with the equal horizontally connected with stock guide of low end of fine stone screening board, the outside of box is provided with respectively with two coarse stone row material fill and the fine stone row material fill that the stock guide is linked together.
Foretell dry process mechanism grit screening plant which characterized in that: the screen hole diameter of the coarse stone screening plate ranges from 8mm to 10mm, and the screen hole diameter of the fine stone screening plate ranges from 3mm to 5 mm.
Foretell dry process mechanism grit screening plant which characterized in that: the box with the waste bin is uncovered rectangle box, seted up visual window on the leading flank of box, the leading flank bottom of box be provided with waste bin assorted chamber door.
Compared with the prior art, the utility model has the following advantage:
1. the utility model discloses a set up two-stage screening mechanism in the inside of box, set up the feeder hopper on the case lid, and two-stage screening mechanism is including coarse stone screening board and the fine stone screening board that from top to bottom lays in proper order, coarse stone screening board and fine stone screening board all are the tilt state, the inside detachable dump bin that is provided with of box, the dump bin is located fine stone screening board under, during the in-service use, the grit after will smashing is poured into the box through the feeder hopper in, the grit after the breakage is respectively after the screening of coarse stone screening board and fine stone screening board, can obtain coarse gravel and fine grit respectively, and the waste material that does not satisfy the screening requirement of coarse gravel and fine grit is separated out the back, the storage is in the dump bin, the screening mode is simple, be convenient for operation control.
2. The utility model discloses a set up the suction fan at the case lid top, and set up the filter mechanism who communicates with the suction fan, during the in-service use, because in the process of screening, can contain a large amount of suspended dust in the gas in the box, a large amount of suspended dust can cause harmful effects to the use of screening plant, can cause the damage to operating personnel's health simultaneously, therefore, in order to improve the cleanliness of screening environment in the box, can adopt the suction fan to suck the gas that contains a large amount of suspended dust in the box, however, the gas that contains a large amount of suspended dust of suction can not discharge in the air at will, therefore, through setting up the filter mechanism who communicates with the suction fan, utilize the filter mechanism to filter the gas that contains a large amount of suspended dust of suction fan, obtain the clean gas that can directly discharge in the air, through collecting and filtration treatment the gas that contains the dust of a large amount of suspensions in to the box, can improve the cleanliness of screening environment in the box, can avoid the harm that causes to operating personnel's healthy, satisfy the environmental protection requirement of green construction, excellent in use effect.
3. The utility model discloses a filter mechanism includes the filter box body of fixed mounting in the box outside, and filter box body is inside to be separated into first cavity and second cavity through the filter that lays perpendicularly, is linked together through pipeline between first cavity and the case that induced drafts, through setting up the blast pipe at filter box body's top, and the blast pipe is linked together with the second cavity, and the clean gas that gets into in the second cavity can directly discharge in the air of external world through the blast pipe promptly; be linked together through the garbage collection pipe with the slope between the bottom of first cavity and the box, and the low side of garbage collection pipe is located the top of dump bin, during the in-service use, the dust of deposit in first cavity under the effect of gravity, can get into the box through the garbage collection pipe, and the flow-through is to the dump bin in, this moment, has realized the purpose to the collection of a large amount of suspended dust in the box promptly, has guaranteed the cleanliness of gas in the box.
4. The utility model has the advantages of simple structure and reasonable design, low in manufacturing cost, facilitate promotion is used.
To sum up, the utility model has the advantages of simple structure and reasonable design, collect and filtration treatment through the gas that contains the dust of a large amount of suspensions in to the box, can improve the cleanliness of screening environment in the box, can avoid the harm that causes to operating personnel's the healthy, satisfy the environmental protection requirement of green construction, excellent in use effect.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic diagram of the external structure of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the present invention.
Description of reference numerals:
1, a box body; 1-1 — visualization window; 1-2-a box door;
2, a box cover; 3, a feed hopper; 4-coarse stone screening plate;
5, screening the plate by fine stones; 6, a vibration motor; 7, a material guide plate;
8-coarse stone discharge hopper; 9-fine stone discharge hopper; 10-waste bin;
11-a suction fan; 12-an air suction box; 13-a suction hopper;
14-a filter box body; 14-1 — a first cavity; 14-2 — a second cavity;
15-a filter plate; 16-a conveying pipeline; 17-an exhaust pipe;
and 18, a waste collecting pipe.
Detailed Description
As shown in figures 1 and 2, the utility model comprises a box body 1 and a box cover 2 which are mutually buckled, a two-stage screening mechanism arranged inside the box body 1, a suction fan 11 arranged at the top of the box cover 2 and a filtering mechanism communicated with the suction fan 11, wherein the box cover 2 is provided with a feed hopper 3, the two-stage screening mechanism comprises a coarse stone screening plate 4 and a fine stone screening plate 5 which are sequentially arranged from top to bottom, a detachable waste bin 10 is arranged inside the box body 1, the waste bin 10 is positioned under the fine stone screening plate 5, the suction fan 11 is connected with a suction box 12 positioned at the top end of the box cover 2, the suction box 12 is connected with a suction hopper 13 positioned inside the box cover 2, the filtering mechanism comprises a filtering box body 14 which is fixedly arranged outside the box body 1, the filtering box body 14 is internally divided into a first cavity 14-1 and a second cavity 14-2 by a filtering plate 15 which is vertically arranged, the first cavity 14-1 is communicated with the air suction box 12 through a conveying pipeline 16, the top of the filtering box body 14 is provided with an exhaust pipe 17 communicated with the second cavity 14-2, the bottom of the first cavity 14-1 is communicated with the box body 1 through an inclined waste collecting pipe 18, and the lower end of the waste collecting pipe 18 is positioned above the waste box 10.
As shown in fig. 2, in the present embodiment, by providing a two-stage sifting mechanism inside the casing 1, a feed hopper 3 is arranged on the box cover 2, the two-stage screening mechanism comprises a coarse stone screening plate 4 and a fine stone screening plate 5 which are sequentially arranged from top to bottom, the coarse stone screening plate 4 and the fine stone screening plate 5 are both in an inclined state, a detachable waste bin 10 is arranged in the box body 1, the waste bin 10 is positioned under the fine stone screening plate 5, when in actual use, crushed gravels are poured into the box body 1 through the feed hopper 3, the crushed gravels are respectively screened by the coarse stone screening plate 4 and the fine stone screening plate 5 to respectively obtain coarse gravels and fine gravels, and the waste material that does not satisfy the screening requirement of coarse grit and fine grit is separated out the back, and the storage is in dump bin 10, and the screening mode is simple, the operation control of being convenient for.
In this embodiment, by arranging the suction fan 11 on the top of the box cover 2 and arranging the filtering mechanism communicated with the suction fan 11, in practical use, in the screening process, a large amount of suspended dust can be contained in the gas in the box body 1, the large amount of suspended dust can cause adverse effects on the use of the screening device, and can cause damage to the health of operators, so that, in order to improve the cleanliness of the screening environment in the box body 1, the suction fan 11 can be used for sucking the gas containing a large amount of suspended dust in the box body 1, but the sucked gas containing a large amount of suspended dust cannot be randomly discharged in the air, so that the filtering mechanism communicated with the suction fan 11 is used for filtering the gas containing a large amount of suspended dust sucked by the suction fan 11 to obtain the clean gas which can be directly discharged in the air, through collecting and filtering processing the gas that contains the dust of a large amount of suspensions in to box 1, can improve the cleanliness of screening environment in the box 1, can avoid the harm that causes of operating personnel's healthy, satisfy the environmental protection requirement of green construction, excellent in use effect.
In this embodiment, through be connected with on the suction box 12 and be located 2 inside induced drafts fill 13 of case lid, and be connected with on the suction fan 11 and be located the suction box 12 on 2 tops of case lid, during the in-service use, utilize the suction fill 13 can increase the suction area of the gas that the suction contains a large amount of suspended dust, improve the suction efficiency of the gas that the suction contains a large amount of suspended dust, guarantee the suction effect of the gas that the suction contains a large amount of suspended dust, utilize suction box 12 can keep in the gas that contains a large amount of suspended dust of suction fan 11 suction, avoid the gas that contains a large amount of suspended dust of suction fan 11 suction to leak outward, excellent in use effect.
In the embodiment, as shown in fig. 2, the filtering mechanism comprises a filtering box body 14 fixedly installed outside the box body 1, the inside of the filtering box body 14 is divided into a first cavity 14-1 and a second cavity 14-2 by a vertically arranged filtering plate 15, the first cavity 14-1 is communicated with the air suction box 12 through a conveying pipeline 16, in actual use, gas containing a large amount of suspended dust in the air suction box 12 enters the first cavity 14-1 through the conveying pipeline 16, the filtering plate 15 can filter the gas containing a large amount of suspended dust in the first cavity 14-1, clean gas can enter the second cavity 14-2 through the filtering plate 15, and a large amount of suspended dust can be gradually deposited in the first cavity 14-1.
In this embodiment, the exhaust pipe 17 is disposed at the top of the filtering box 14, and the exhaust pipe 17 is communicated with the second cavity 14-2, so that the clean gas entering the second cavity 14-2 can be directly discharged into the outside air through the exhaust pipe 17; by communicating the bottom of the first cavity 14-1 with the box body 1 through the inclined waste collection pipe 18 and positioning the lower end of the waste collection pipe 18 above the waste box 10, in practical use, dust deposited in the first cavity 14-1 enters the box body 1 through the waste collection pipe 18 under the action of gravity and flows into the waste box 10, at this time, the purpose of collecting a large amount of suspended dust in the box body 1 is achieved, the cleanliness of gas in the box body 1 is ensured, and the use effect is good.
As shown in fig. 2, in this embodiment, the coarse stone screening plate 4 and the fine stone screening plate 5 are parallel, and both the coarse stone screening plate 4 and the fine stone screening plate 5 are inclined.
In this embodiment, the high end of coarse stone screening plate 4 and the high end of fine stone screening plate 5 are all connected with vibrating motor 6, the low end of coarse stone screening plate 4 and the low end of fine stone screening plate 5 are all horizontally connected with guide plate 7, the outside of box 1 is provided with coarse stone discharge hopper 8 and fine stone discharge hopper 9 that are respectively linked together with two guide plate 7.
In this embodiment, the high end of the coarse stone screening plate 4 and the high end of the fine stone screening plate 5 are both connected with vibrating motors 6, and the two vibrating motors 6 respectively provide power for the coarse stone screening plate 4 and the fine stone screening plate 5, so that the coarse stone screening plate 4 and the fine stone screening plate 5 both generate back-and-forth vibration, gravels with a particle size larger than the sieve pore diameter of the coarse stone screening plate 4 can be remained on the coarse stone screening plate 4 under the screening action of the coarse stone screening plate 4, and enter the coarse stone discharging hopper 8 through the guide plate 7 horizontally connected to the low end of the coarse stone screening plate 4, at this time, gravels with a particle size smaller than the sieve pore diameter of the coarse stone screening plate 4 can be remained on the fine stone screening plate 5 through the coarse stone screening plate 4, gravels with a particle size larger than the sieve pore diameter of the fine stone screening plate 5 can be remained on the fine stone screening plate 5 under the screening action of the fine stone screening plate 5, and the crushed gravels are screened and collected by entering a fine stone discharge hopper 9 through a material guide plate 7 horizontally connected to the lower end of the fine stone screening plate 5.
In this embodiment, the sieve pore diameter of the coarse stone screening plate 4 ranges from 8mm to 10mm, and the sieve pore diameter of the fine stone screening plate 5 ranges from 3mm to 5 mm.
As shown in fig. 1, in this embodiment, the box body 1 and the waste bin 10 are both rectangular box bodies without covers, a visual window 1-1 is opened on the front side surface of the box body 1, and a box door 1-2 matched with the waste bin 10 is arranged at the bottom of the front side surface of the box body 1.
In the embodiment, the visual window 1-1 is formed in the front side surface of the box body 1, so that an operator can observe the screening condition in the box body 1 conveniently; the box door 1-2 matched with the waste box 10 is arranged at the bottom of the front side face of the box body 1, so that an operator can conveniently take out the waste box 10 from the box body 1 regularly and treat waste in the waste box 10, and the using effect is good.
As shown in fig. 2, in actual use, an operator only needs to pour crushed gravels into the box body 1 through the feed hopper 3, and simultaneously starts the two vibrating motors 6, and the two vibrating motors 6 respectively drive the coarse stone screening plate 4 and the fine stone screening plate 5 to vibrate back and forth, so as to realize two-stage screening of the crushed gravels; then, the suction fan 11 is started, the suction fan 11 is used for sucking the gas containing a large amount of suspended dust in the box body 1, the gas containing a large amount of suspended dust is temporarily stored in the suction box 12, the gas temporarily stored in the suction box 12 and containing a large amount of suspended dust enters the filtering box body 14 through the conveying pipeline 16, the filtering plate 15 in the filtering box body 14 can filter the gas containing a large amount of suspended dust, the filtered clean gas enters the second cavity 14-2 and is discharged into the outside air through the exhaust pipe 17, and a large amount of suspended dust which cannot pass through the filtering plate 15 is deposited at the bottom of the first cavity 14-1 and is circulated into the waste box 10 through the waste collecting pipe 18, so that the purpose of collecting the large amount of suspended dust in the box body 1 is achieved, the operation is simple and convenient, the economical efficiency is good, is convenient for popularization and application.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.

Claims (5)

1. The utility model provides a dry process mechanism grit screening plant which characterized in that: comprises a box body (1) and a box cover (2) which are mutually buckled, a two-stage screening mechanism arranged inside the box body (1), a suction fan (11) arranged at the top of the box cover (2) and a filtering mechanism communicated with the suction fan (11), wherein the box cover (2) is provided with a feed hopper (3), the two-stage screening mechanism comprises a coarse stone screening plate (4) and a fine stone screening plate (5) which are sequentially arranged from top to bottom, a detachable waste bin (10) is arranged inside the box body (1), the waste bin (10) is positioned under the fine stone screening plate (5), the suction fan (11) is connected with a suction box (12) positioned at the top end of the box cover (2), the suction box (12) is connected with a hopper (13) positioned inside the box cover (2), and the filtering mechanism comprises a filtering box body (14) which is fixedly arranged outside the suction box body (1), the interior of the filtering box body (14) is divided into a first cavity (14-1) and a second cavity (14-2) through a vertically arranged filtering plate (15), the first cavity (14-1) is communicated with the air suction box (12) through a conveying pipeline (16), an exhaust pipe (17) communicated with the second cavity (14-2) is arranged at the top of the filtering box body (14), the bottom of the first cavity (14-1) is communicated with the box body (1) through an inclined waste collecting pipe (18), and the lower end of the waste collecting pipe (18) is located above the waste box (10).
2. The dry-method mechanism sand screening device according to claim 1, characterized in that: the coarse stone screening plate (4) and the fine stone screening plate (5) are parallel, and the coarse stone screening plate (4) and the fine stone screening plate (5) are both in an inclined state.
3. The dry mechanical sand screening device according to claim 2, wherein: the high-end of coarse stone screening board (4) with the high-end of fine stone screening board (5) all is connected with vibrating motor (6), the low side of coarse stone screening board (4) with the equal horizontally connected of low side of fine stone screening board (5) has stock guide (7), the outside of box (1) is provided with respectively with two coarse stone row that stock guide (7) are linked together is arranged hopper (8) and fine stone row and is expected fill (9).
4. The dry-method mechanism sand screening device according to claim 1, characterized in that: the screen hole diameter of the coarse stone screening plate (4) ranges from 8mm to 10mm, and the screen hole diameter of the fine stone screening plate (5) ranges from 3mm to 5 mm.
5. The dry-method mechanism sand screening device according to claim 1, characterized in that: the box body (1) and the waste bin (10) are all uncovered rectangular box bodies, a visual window (1-1) is arranged on the front side face of the box body (1), and a box door (1-2) matched with the waste bin (10) is arranged at the bottom of the front side face of the box body (1).
CN201922016316.0U 2019-11-20 2019-11-20 Dry method mechanism grit screening plant Active CN211190993U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922016316.0U CN211190993U (en) 2019-11-20 2019-11-20 Dry method mechanism grit screening plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922016316.0U CN211190993U (en) 2019-11-20 2019-11-20 Dry method mechanism grit screening plant

Publications (1)

Publication Number Publication Date
CN211190993U true CN211190993U (en) 2020-08-07

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ID=71847112

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922016316.0U Active CN211190993U (en) 2019-11-20 2019-11-20 Dry method mechanism grit screening plant

Country Status (1)

Country Link
CN (1) CN211190993U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112705454A (en) * 2021-01-11 2021-04-27 常州机电职业技术学院 Fixed particle filter for pharmaceutical equipment and filtering method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112705454A (en) * 2021-01-11 2021-04-27 常州机电职业技术学院 Fixed particle filter for pharmaceutical equipment and filtering method thereof

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: CHINA RAILWAY GUIZHOU ENGINEERING Co.,Ltd.

Assignor: CHINA RAILWAY 20 BUREAU Group Corp.

Contract record no.: X2022980006446

Denomination of utility model: A dry machine sand screening device

Granted publication date: 20200807

License type: Common License

Record date: 20220526

EE01 Entry into force of recordation of patent licensing contract