CN104906904A - Artificial sandstone aggregate production system and dust suppression and removing method thereof - Google Patents
Artificial sandstone aggregate production system and dust suppression and removing method thereof Download PDFInfo
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- CN104906904A CN104906904A CN201510266780.9A CN201510266780A CN104906904A CN 104906904 A CN104906904 A CN 104906904A CN 201510266780 A CN201510266780 A CN 201510266780A CN 104906904 A CN104906904 A CN 104906904A
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Abstract
The invention provides an artificial sandstone aggregate production system and a dust suppression and removing method thereof. The artificial sandstone aggregate production system comprises a crushing unit and a dust suppression and removing device arranged above the crushing unit. The dust suppression and removing device comprises a dust collection hood and a dust removing device. A dust suction port and a dust discharge port are arranged on the dust collection hood. The dust suction port of the dust collection hood is covered above a dust port of the crushing unit. The dust discharge port of the dust collection hood is connected with the inlet of the dust removing device through a pipeline. With the method, dust escaping and spreading during an artificial sandstone aggregate processing process are reduced, and environment pollution is reduced.
Description
Technical field
The present invention relates to the technical field that materials of man-made sand is produced, particularly a kind of have the materials of man-made sand production system of falling dust arrester and fall dust collection method accordingly.
Background technology
In recent years along with the continuous progress of materials of man-made sand production technology, materials of man-made sand is widely used in hydroelectric project.Along with the attention degree of society to environmental problem is more and more higher, the problem of environmental pollutions such as the airborne dust brought in materials of man-made sand production process also attract attention gradually, how for materials of man-made sand production system except depositing dust becomes the new direction of technical study.
Sandstone aggregate system of processing production technology can be divided into wet method processing, dry process two kinds, and wherein dry process is the most frequently used processing technology.Due in the materials of man-made sand of some types containing mud particle and stone flour more, the aggregate quality produced is not good, has therefore developed wet method processing technology.The principle of wet method processing is by rinsing aggregate with water in process of production, reaches the object removed containing mud particle and stone flour in aggregate, also suitably can reduce dust pollution simultaneously.
Because wet method processing technology rinses sandstone aggregate with water in process of production, so dust emission is less relative to dry process.But in actual application, wet method processing is not that whole processing link all rinses with water, still can produce larger dust pollution at portion link.And also there is distinct disadvantage as described below in wet method processing technology:
1, the sandstone aggregate of not all type can be produced with wet method processing technology.
2, to add moisture content in semi-finished product in man-hour too high for wet method, can accelerate the wearing and tearing of disintegrating machine wearing piece, and crushing effect during impact sand processed.
3, need to increase dewatering means in the some processes link that wet method is processed, need consider additionally to arrange dehydration stockpile, increase occupation of land space, place etc.
4, part aggregate has certain requirement to content of stone powder, and it is lower that wet method processes the content of fine aggregate obtained, and is likely difficult to meet user demand.
To sum up, although wet method processing technology suitably can reduce dust pollution, dry method processing technology can not be substituted completely, therefore need to consider that other modes of employing reduce the dust loss in production process effectively.
Summary of the invention
For solving above-mentioned technical problem, the present invention proposes a kind of materials of man-made sand production system, what also propose a kind of materials of man-made sand production system falls dust collection method, the dust arrester that falls of materials of man-made sand production system reduces dust loss in materials of man-made sand process, avoids polluting.
A kind of materials of man-made sand production system that the present invention proposes, comprise broken unit and be arranged on and fall dust arrester above described broken unit, the described dust arrester that falls comprises dust gathering arrester and deduster, described dust gathering arrester is arranged suction port and dust-exhausting port, the suction port of described dust gathering arrester is located at above the airborne dust mouth of described broken unit, and the dust-exhausting port of described dust gathering arrester is connected by the entrance of pipeline with described deduster.
Further, described dust gathering arrester is vertically arranged and truncated cone shape in convergent from bottom to up, and the cross-sectional area of described suction port is greater than the cross-sectional area of the airborne dust mouth of described broken unit; The outlet of described deduster is docked with the upper end open of an ash bucket.
As the enforceable mode of one, described materials of man-made sand production system also comprises the batcher be connected with described broken unit by conveyer belt, described broken unit comprise by aggregate fragmentation sequencing arrangement and the boulder crusher, intermediate crusher and the sand machine processed that are connected successively by conveyer belt;
Described materials of man-made sand production system also comprises spray unit, and described spray unit comprises pond, air tank and multiple atomizer be arranged in parallel; Each described atomizer is connected to described pond and described air tank respectively by pipeline, and described atomizer is arranged on the top of described conveyer belt and/or described conveyer belt.
Further, described atomizer is positioned at the top of the initiating terminal of described conveyer belt or described conveyer belt.
As the enforceable mode of one, above described conveyer belt and/or described conveyer belt, cover dust hood of setting up defences, described atomizer is positioned at described dust cover.
Further, described deduster is cyclone-type multi-pipe dust collector.
As the enforceable mode of one, the both sides of described conveyer belt and/or each described conveyer belt are respectively equipped with the first side plate for stopping aggregate landing and the second side plate, and the both sides of described dust cover are fixed on described first side plate and described second side plate respectively by installed part.
Further, between described boulder crusher and described intermediate crusher, be respectively provided to a few vibratory sieve for sieving between described intermediate crusher and described sand machine processed, after described sand machine processed;
The quantity of described dust gathering arrester is multiple, and is located at the airborne dust mouth of described boulder crusher, the airborne dust mouth of described intermediate crusher, the described airborne dust mouth of sand machine processed and the airborne dust mouth of described vibratory sieve respectively.
What the present invention also proposed a kind of materials of man-made sand production system falls dust collection method, the materials of man-made sand production system described in employing, and the dust collection method that falls of described materials of man-made sand production system comprises the steps:
S1, materials of man-made sand production system starts, and broken unit starts fragmentation;
S2, collects airborne dust by dust gathering arrester at the airborne dust mouth place of described broken unit;
S3, being separated from air-flow by the grit in described airborne dust by deduster and being collected in wall, grit falls into ash bucket in self gravitation effect, carries out dedusting.
As the enforceable mode of one, after described S1, also S4 is set, the aggregate inputted in batcher to described broken unit by tape transport, is broken aggregate water spray by the atomizer above the conveyer belt that is arranged on described conveyer belt and/or described broken unit, carries out depositing dust.
The present invention is compared to the beneficial effect of prior art: materials of man-made sand production system fall dust gathering arrester and deduster in dust arrester with the use of so that dedusting; The conveyer belt initiating terminal that dust pollution is larger when carrying arranges atomizer, makes the surface attachment water fog particle of sandstone aggregate realize depositing dust; Dust cover is set on a moving belt, avoids dust loss when carrying, avoid in course of conveying because extraneous strong wind produces airborne dust.Vibrational power flow is reasonable, the reliable easy care of equipment, and dedusting dust-laying effect is obvious, applied widely, effectively can reduce the dust flown upward of the generation in artificial aggregate production process.
The dust collection method that falls of materials of man-made sand production system prevents dust from spilling in air by above-mentioned means effectively, reduces environmental pollution; And wet method processing technology and dry process technique can be applicable to.
Accompanying drawing explanation
Fig. 1 is the structural representation flow chart falling dust arrester of materials of man-made sand production system;
Fig. 2 is the schematic diagram of the installation site of dust gathering arrester and the annexation with deduster thereof;
Fig. 3 is the section schematic front view that relation installed by conveyer belt and dust cover;
Fig. 4 is that schematic diagram is looked on a left side of Fig. 3;
Fig. 5 is the layout schematic diagram of atomizer.
Reference numeral:
10-batcher; The broken unit of 20-; 22-boulder crusher; 23-intermediate crusher; 24-sand machine; 25-vibratory sieve;
26-conveyer belt; 261-first side plate; 262-second side plate; 264-delivery wheel; 265-installed part;
27-atomizer; 28-conveyer belt; 31-dust gathering arrester; 32-deduster; 33-dust cover;
41-head-tank; 42-air tank.
Detailed description of the invention
Below in conjunction with accompanying drawing, to above-mentioned being clearly and completely described with other technical characteristic and advantage of the present invention, obviously, described embodiment is only section Example of the present invention, instead of whole embodiment.
Refer to shown in Fig. 1, the present invention proposes a kind of materials of man-made sand production system, comprises broken unit 20 and be arranged on falling dust arrester above broken unit 20.Fall dust arrester and comprise dust gathering arrester 31 and deduster 32, dust gathering arrester 31 is arranged suction port and dust-exhausting port, the suction port of dust gathering arrester 31 is located at above the airborne dust mouth of broken unit 20, and the dust-exhausting port of dust gathering arrester 31 is connected by the entrance of pipeline with deduster 32.
Dust gathering arrester 31 and deduster 32 fall in dust arrester with the use of so that dedusting, the vibrational power flow falling dust arrester is reasonable, the reliable easy care of equipment, and dedusting dust-laying effect is obvious, applied widely, effectively can reduce the dust flown upward of the generation in artificial aggregate production process.The present invention especially solves the problem of dust pollution especially severe in dry process technique, technical scheme of the present invention is different from wet method processing and rinses aggregate, the present invention processes the stone flour also having certain content in the aggregate obtained, and can meet production content of stone powder being had to requirement.
Further, refer to shown in Fig. 2, dust gathering arrester 31 is vertically arranged, the profile of dust gathering arrester 31 is the truncated cone shape of convergent from bottom to up, and more preferably, suction port is positioned at bottom, dust-exhausting port is positioned at topmost, the area of section of suction port is greater than the area of section of dust-exhausting port, so that the airborne dust up flown upward can be collected in dust gathering arrester 31, airborne dust focuses on dust-exhausting port place topmost from bottom to up.The cross-sectional area of suction port is greater than the cross-sectional area of the airborne dust mouth of broken unit 20, so that dust gathering arrester 31 fully can be located at the airborne dust mouth of broken unit 20.In the present embodiment, the central shaft of the suction port of dust gathering arrester 31 overlaps with the central shaft of dust-exhausting port, forms cross-ventilation, be conducive to airborne dust and discharge from dust-exhausting port more swimmingly in dust gathering arrester 31.
The outlet of deduster 32 is docked with the upper end open of an ash bucket, and the grit in airborne dust to be separated by means of centrifugal force and to trap in wall by deduster 32 from air-flow, relends and helps Action of Gravity Field to make grit fall into ash bucket.In Fig. 2, the outlet of deduster 32 is positioned at the below of deduster 32, directly enters ash bucket when grit falls, and plays and collects and dust removing effects.Further, deduster 32 is cyclone-type multi-pipe dust collector, better dust removal effect.
As the enforceable mode of one, as shown in Figure 1, materials of man-made sand production system also comprises the batcher 10 for inputting aggregate, and batcher 10 is connected with broken unit 20 by conveyer belt 28.Broken unit 20 comprises the boulder crusher 22, intermediate crusher 23 and the sand machine 24 processed that arrange by the sequencing of aggregate fragmentation, is connected successively between each disintegrating apparatus by conveyer belt 26.In the present embodiment, batcher 10 adopts oscillating feeder, and boulder crusher 22 is jaw crusher, and intermediate crusher 23 adopts impact breaker, and sand machine 24 processed adopts impact crusher, to reach the good crushing effect of aggregate.
Materials of man-made sand production system also comprises spray unit, and spray unit comprises pond, air tank and multiple atomizer 27 be arranged in parallel.Each atomizer 27 is connected to pond and air tank respectively by pipeline, and atomizer 27 is arranged on the top of conveyer belt 28 and/or conveyer belt 26; When sandstone aggregate is carried on conveyer belt 28 or conveyer belt 26, atomizer 27 makes the surface attachment water fog particle of sandstone aggregate realize depositing dust by air pressure ejection water smoke.Further, atomizer 27 is positioned at the top of the initiating terminal of conveyer belt 28 or conveyer belt 26.In actual use, when the initiating terminal of conveyer belt 28 exports the aggregate without fragmentation, the initiating terminal of conveyer belt 26 exports when the aggregate of fragmentation, all easily produce larger dust pollution, atomizer 27 is set above the initiating terminal of conveyer belt 28 or conveyer belt 26 and can significantly improves dust-laying effect, avoid dust recycling from root.
As the enforceable mode of one, refer to shown in Fig. 3, above conveyer belt 28 and/or conveyer belt 26, cover dust hood 33 of setting up defences, atomizer 27 is positioned at dust cover 33.Conveyer belt 28 or conveyer belt 26 more serious in the loss of initiating terminal airborne dust, in transmitting procedure, airborne dust is relatively little, but easily disperse because external condition (strong wind etc.) affects grit, thus contaminated environment, using dust cover 33 airborne dust can be enclosed in dust cover 33 covers in the space of establishing, avoid dust loss when carrying, avoid in course of conveying because extraneous strong wind produces airborne dust; In dust cover 33, use atomizer 27 pairs of airborne dusts to carry out depositing dust process simultaneously.
In the present embodiment, the cross sectional shape at dust cover 33 top is arc, and the both sides at arc top arrange vertical wall.The cross sectional shape of dust cover 33 can also be arc, and the shape of arc is round and smooth, prevents dust from concealing junction at arc top and vertical wall, and the two ends of arc extend respectively to the both sides of conveyer belt 26.
As the enforceable mode of one, as shown in Figure 3, the both sides of conveyer belt 28 and/or each conveyer belt 26 are respectively equipped with the first side plate 261 and the second side plate 262 for stopping aggregate landing, and the both sides of dust cover 33 are fixed on the first side plate 261 and the second side plate 262 respectively by installed part 265.In the present embodiment, installed part 265 is connecting rod, and installed part 265 can also be bolt, directly the left and right sides of dust cover 33 (direction of advance relative to conveyer belt 28 or conveyer belt 26) is fixed on the first side plate 261 and the second side plate 262.Refer to shown in Fig. 4, conveyer belt 28 or conveyer belt 26 are driven by the delivery wheel 264 of two rotating in same directions.
Further, between boulder crusher 22 and intermediate crusher 23, be respectively provided to a few vibratory sieve 25 for sieving between intermediate crusher 23 and sand machine 24 processed, after sand machine 24 processed.In the present embodiment, as shown in Figure 1, two vibratory sieves 25 are set between boulder crusher 22 and intermediate crusher 23, sieve out bulky grain aggregate to great Shi field heap for use at this.The quantity of dust gathering arrester 31 is multiple, and is located at the airborne dust mouth of boulder crusher 22, the airborne dust mouth of intermediate crusher 23, the airborne dust mouth of sand machine 24 processed and the airborne dust mouth of vibratory sieve 25 respectively.
In the present embodiment, the larger particles aggregate sieved out by the vibratory sieve 25 adjacent with boulder crusher 22 is input in boulder crusher 22 broken by reverse conveyer belt again, vibratory sieve 25 after sand machine 24 processed also being arranged reverse conveyer belt to be input in sand machine 24 processed broken again by larger particles aggregate, also can arrange atomizer 27 or dust cover 33 carries out depositing dust at the initiating terminal of reverse conveyer belt.
Refer to shown in Fig. 5, arrange a head-tank 41 and an air tank 42 in materials of man-made sand production system, multiple atomizers 27 in parallel are arranged in the relevant position of materials of man-made sand production system.Head-tank 41 and air tank 42 need to calculate according to the water consumption of production system and gas consumption, can also arrange head-tank 41 and the air tank 42 of multiple small volume; Head-tank 41 can also use the pond of materials of man-made sand production system.
What the present invention also proposed a kind of materials of man-made sand production system falls dust collection method, and adopt above-mentioned materials of man-made sand production system, the dust collection method that falls of materials of man-made sand production system comprises the steps:
S1, materials of man-made sand production system starts, and broken unit 20 starts fragmentation;
S2, collects airborne dust by dust gathering arrester 31 at the airborne dust mouth place of broken unit 20;
S3, being separated from air-flow by the grit in airborne dust by deduster 32 and being collected in wall, grit falls into ash bucket in self gravitation effect, carries out dedusting.Effectively prevent dust from spilling in air by above-mentioned means, reduce environmental pollution; And wet method processing technology and dry process technique can be applicable to.
As the enforceable mode of one, after S1, also S4 is set, in batcher 10, the aggregate of input is transported to broken unit 20 by conveyer belt 28, is broken aggregate water spray, carries out depositing dust by the atomizer 27 above the conveyer belt 26 that is arranged on conveyer belt 28 and/or broken unit 20.
The present invention is directed to processing technology each link feature and be equipped with corresponding dedusting or dust falling device respectively, thus formed a set of be applied to sandstone aggregate production and processing system except device for reducing dust.By the dust recycling that dust cover 33 prevents equipment from producing, dust gathering arrester 31 and deduster 32 pairs of dust are utilized to collect, atomizer 27 pairs of conveyer belt 26 initiating terminal places are utilized to carry out depositing dust, depositing dust on dust is ejected into mist-like, aggregate surface can also be made to adhere to water fog particle, not easily because external condition (strong wind etc.) produces airborne dust in transmitting procedure.
Although the number of devices that the sandstone aggregate production and processing system of different scales comprises, model are inconsistent, but basic equipment is similar, such as oscillating feeder, jaw crusher (boulder crusher 22), impact crusher (intermediate crusher 23), impact crusher (sand machine 24 processed), conveyer belt 26, vibratory sieve 25 etc., adding man-hour to aggregate according to concrete utilization requirement, various equipment is combined.Vibrational power flow of the present invention is reasonable, the reliable easy care of equipment, dedusting dust-laying effect are obvious, be applicable to hydroelectric project sandstone aggregate production system, artificial sand making production line etc., effectively can reduce the dust harzard in artificial aggregate production process, reduce environmental pollution.
Above-described specific embodiment, has carried out further detailed description to object of the present invention, technical scheme and beneficial effect, should be appreciated that and the foregoing is only specific embodiments of the invention, the protection domain be not intended to limit the present invention.Particularly point out, to those skilled in the art, within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a materials of man-made sand production system, comprise broken unit, it is characterized in that, described materials of man-made sand production system also comprises being arranged on falls dust arrester above described broken unit, the described dust arrester that falls comprises dust gathering arrester and deduster, described dust gathering arrester is arranged suction port and dust-exhausting port, the suction port of described dust gathering arrester is located at above the airborne dust mouth of described broken unit, and the dust-exhausting port of described dust gathering arrester is connected by the entrance of pipeline with described deduster.
2. materials of man-made sand production system according to claim 1, is characterized in that, described dust gathering arrester is vertically arranged and truncated cone shape in convergent from bottom to up, and the cross-sectional area of described suction port is greater than the cross-sectional area of the airborne dust mouth of described broken unit; The outlet of described deduster is docked with the upper end open of an ash bucket.
3. materials of man-made sand production system according to claim 1, it is characterized in that, described materials of man-made sand production system also comprises the batcher be connected with described broken unit by conveyer belt, described broken unit comprise by aggregate fragmentation sequencing arrangement and the boulder crusher, intermediate crusher and the sand machine processed that are connected successively by conveyer belt;
Described materials of man-made sand production system also comprises spray unit, and described spray unit comprises pond, air tank and multiple atomizer be arranged in parallel; Each described atomizer is connected to described pond and described air tank respectively by pipeline, and described atomizer is arranged on the top of described conveyer belt and/or described conveyer belt.
4. materials of man-made sand production system according to claim 3, is characterized in that, described atomizer is positioned at the top of the initiating terminal of described conveyer belt or described conveyer belt.
5. materials of man-made sand production system according to claim 3, is characterized in that, above described conveyer belt and/or described conveyer belt, cover dust hood of setting up defences, described atomizer is positioned at described dust cover.
6. the materials of man-made sand production system according to any one of claim 1 to 5, is characterized in that, described deduster is cyclone-type multi-pipe dust collector.
7. the materials of man-made sand production system according to any one of claim 3 to 5, it is characterized in that, the both sides of described conveyer belt and/or each described conveyer belt are respectively equipped with the first side plate for stopping aggregate landing and the second side plate, and the both sides of described dust cover are fixed on described first side plate and described second side plate respectively by installed part.
8. materials of man-made sand production system according to claim 3, is characterized in that, is respectively provided to a vibratory sieve for sieving less between described boulder crusher and described intermediate crusher, between described intermediate crusher and described sand machine processed, after described sand machine processed;
The quantity of described dust gathering arrester is multiple, and is located at the airborne dust mouth of described boulder crusher, the airborne dust mouth of described intermediate crusher, the described airborne dust mouth of sand machine processed and the airborne dust mouth of described vibratory sieve respectively.
9. materials of man-made sand production system a dust collection method falls, it is characterized in that, adopt the materials of man-made sand production system described in any one of claim 1 to 8, the dust collection method that falls of described materials of man-made sand production system comprises the steps:
S1, materials of man-made sand production system starts, and broken unit starts fragmentation;
S2, collects airborne dust by dust gathering arrester at the airborne dust mouth place of described broken unit;
S3, being separated from air-flow by the grit in described airborne dust by deduster and being collected in wall, grit falls into ash bucket in self gravitation effect, carries out dedusting.
10. materials of man-made sand production system according to claim 9 dust collection method falls, it is characterized in that, after described S1, also S4 is set, the aggregate inputted in batcher by tape transport to described broken unit, be broken aggregate water spray by the atomizer above the conveyer belt that is arranged on described conveyer belt and/or described broken unit, carry out depositing dust.
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| CN201510266780.9A CN104906904A (en) | 2015-05-22 | 2015-05-22 | Artificial sandstone aggregate production system and dust suppression and removing method thereof |
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| CN201510266780.9A CN104906904A (en) | 2015-05-22 | 2015-05-22 | Artificial sandstone aggregate production system and dust suppression and removing method thereof |
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Cited By (4)
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| CN107537660A (en) * | 2017-09-27 | 2018-01-05 | 贵州安凯达实业股份有限公司 | A kind of sandstone production system of anti-dust |
| CN108201754A (en) * | 2017-12-26 | 2018-06-26 | 重庆邦略投资有限公司 | The system for reducing sandstone production line dust in air content |
| CN111228936A (en) * | 2020-03-11 | 2020-06-05 | 濮阳光大路桥混凝土有限公司 | Automatic spraying dust removal method for realizing dust in stock yard |
| CN114620490A (en) * | 2022-02-22 | 2022-06-14 | 中国电建集团西北勘测设计研究院有限公司 | Dust removal system and method for processing sandstone aggregate by using low-pressure pneumatic continuous conveying pump |
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Application publication date: 20150916 |