CN202028542U - Aggregate screening and conveying system - Google Patents
Aggregate screening and conveying system Download PDFInfo
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- CN202028542U CN202028542U CN2010206828094U CN201020682809U CN202028542U CN 202028542 U CN202028542 U CN 202028542U CN 2010206828094 U CN2010206828094 U CN 2010206828094U CN 201020682809 U CN201020682809 U CN 201020682809U CN 202028542 U CN202028542 U CN 202028542U
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Abstract
The utility model provides an aggregate screening and conveying system, which relates to the field of large-sized mechanical devices. The aggregate screening and conveying system comprises a first screening device for performing a first screening of original aggregate; a first conveying device arranged on the downstream side of the first screening device; a second screening device arranged on the downstream side of the first conveying device for receiving the aggregate from the first conveying device and performing a second screening of the received aggregate; and a second conveying device arranged on the downstream side of the second screening device for receiving and conveying the aggregate from the second screening device after the second screening. The aggregate screening and conveying system of the utility model comprises a plurality of screening devices for performing the sufficient screening of the aggregate, thereby improving the aggregate screening effect. Therefore, the aggregate for subsequent processing devices is good in quality, which means that the particle diameter of the aggregate is qualified and the amount of impurities in the aggregate is reduced. Meanwhile, the damage to subsequent processing devices due to unqualified aggregate is avoided, so that the failure rate of the whole machine is greatly reduced.
Description
Technical field
The utility model relates to the heavy mechanical equipment field, is specifically related to the aggregate screening induction system that can use in concrete mixing plant.
Background technology
Usually, in the concrete mixer truck station, cold aggregate process such as before entering drying roller heating, all will tentatively filter, store, prepare burden, gather materials, this reaches this purpose by a cover cold burden system.The cold burden system is the beginning of asphalt concrete mixer production procedure, and the main purpose of cold burden system is to carry out the pre-grating of cold burden.The pre-grating of so-called cold burden promptly requires aggregate is carried out the proportioning first time according to the grating of asphalt, usually mainly by several independently gather materials belt feeder and charging belt machine of cold burden storehouse, feeding belt feeder, form.Each of cold burden system all is coated with grid above the feed bin, grid can filter out the aggregate that exceeds standard at loading machine when feed bin is toppled over aggregate, can alleviate simultaneously the aggregate of the being toppled over impact to feed bin.
At present, our domestic cold aggregate quality fluctuation ratio is bigger, a lot of cold particless of aggregates are big and foreign material are many, and in actual use, the grid of feed bin can not filter the aggregate that all exceeds standard, cause pitch to stand in when using these aggregates thus, very easily form faults such as matched host machine key component card is stifled, pipeline is worn out.Simultaneously,, and can damage vibration screen, wearing and tearing flash pipeline, screening quality be descended, and then influence the quality of finished product asphalt because long-term these aggregates that well do not screen that use can cause unit failures such as elevator, vibratory sieve to take place frequently.
The utility model content
Main purpose of the present utility model has provided a kind of aggregate screening induction system, it can use in asphalt concrete mixer, being used for before cold aggregate enters drying roller it being selected screening effectively handles, so that matched host machine can stable and high effective operation, reduce component wear simultaneously, reduce equipment fault.
At above-mentioned purpose, provide a kind of aggregate screening induction system according to an aspect of the present utility model, it comprises: first screening plant receives original aggregate and original aggregate is carried out the screening first time; First conveying device is arranged in the first screening plant downstream, receives from the aggregate after the process screening for the first time of first screening plant; Especially, this aggregate screening induction system also comprises: second screening plant, be arranged in the downstream of first conveying device, and receive aggregate from first conveying device, the aggregate that is received is carried out second time sieve; And second conveying device, be arranged in the downstream of second screening plant, receive and transport from second screening plant through the aggregate after the screening for the second time.
Further, according to the aggregate screening induction system of an aspect of the utility model, wherein, second screening plant comprises the rotational circle shaft screen.
Further, according to the aggregate screening induction system of an aspect of the utility model, wherein, the rotational circle shaft screen is inclined relative to horizontal layout.
Further, according to the aggregate screening induction system of an aspect of the utility model, wherein, first screening plant comprises: feed bin is used to hold the aggregate that sieves through for the first time; Screen cloth is arranged in the feed bin top; And first belt feeder, be arranged in the lower part outlet downside of feed bin, will be delivered to first conveying device in downstream from the aggregate that feed bin receives.
Further, according to the aggregate screening induction system of an aspect of the utility model, wherein, first conveying device comprises second belt feeder, second belt feeder is arranged in the below of first screening plant to receive the aggregate from first screening plant, and an end of second belt feeder leads to second screening plant.
Further, according to the aggregate screening induction system of an aspect of the utility model, wherein, second screening plant also comprises: motor links to each other to drive the rotational circle shaft screen with the rotating shaft of rotational circle shaft screen; Receiving hopper is arranged on the porch of rotational circle shaft screen, to receive the aggregate from first conveying device; First outlet is arranged on an exit of rotational circle shaft screen, being delivered to second conveying device through the qualified aggregate after the screening for the second time; Second outlet is arranged on another exit of rotational circle shaft screen, discharging through the defective aggregate after the screening for the second time.
Further, according to the aggregate screening induction system of an aspect of the utility model, wherein, second screening plant also comprises the arrangements for speed regulation that are arranged between motor and the rotational circle shaft screen.
Further, according to the aggregate screening induction system of an aspect of the utility model, wherein, arrangements for speed regulation are decelerator, accelerator or speed regulator.
Further, according to the aggregate screening induction system of an aspect of the utility model, wherein, second conveying device comprises the 3rd belt feeder, and an end of the 3rd belt feeder is arranged in the below of second screening plant.
Further, according to the aggregate screening induction system of an aspect of the utility model, wherein, the 3rd belt feeder is inclined relative to horizontal layout.
The utlity model has following technique effect:
Aggregate screening induction system of the present utility model comprises the screening plant of two (or more than two), so that aggregate is sieved fully, improve the screening effect of aggregate thus, the aggregate that assurance enters following process equipment has good quality (the qualified and foreign material minimizing of particle diameter), and avoid causing infringement, the fault rate of complete machine is reduced greatly following process equipment owing to aggregate quality is defective.And, adopt the rotational circle shaft screen that aggregate is carried out meticulous screening in aggregate screening induction system of the present utility model, the rotational circle shaft screen sieves processing to aggregate in rotary manner, this dynamic screening helps the aggregate that effectively particle diameter exceeded standard and unnecessary foreign material screen out, and, the mode of rotation screening is compared with other plane screening mode, can more effectively the aggregate screening of different size be opened, thereby obtain better good screening effect.
Should be appreciated that above generality is described and the following detailed description is all enumerated and illustrative, purpose is in order to provide further instruction to claimed the utility model.
Description of drawings
Accompanying drawing constitutes the part of this specification, is used to help further understand the utility model.These accompanying drawings illustrate embodiment more of the present utility model, and are used for illustrating principle of the present utility model with specification.Identical in the accompanying drawings parts are represented with identical label.In the accompanying drawing:
Fig. 1 shows the structure chart according to an illustrative embodiments of aggregate screening induction system of the present utility model.
The specific embodiment
According to principle of the present utility model, a kind of aggregate screening induction system is provided, it mainly comprises: first screening plant, be arranged in the upstream of aggregate screening induction system, reception is from external equipment (aggregate charging appliance for example, not shown) the original aggregate sent into, and original aggregate carried out the screening first time; First conveying device is arranged in the first screening plant downstream, receives from the aggregate after the process screening for the first time of first screening plant; Second screening plant is arranged in the downstream of first conveying device, receives the aggregate from first conveying device, the aggregate that is received is carried out second time sieve; And second conveying device, be arranged in the downstream of second screening plant, receive from second screening plant through the aggregate after the screening for the second time, and the aggregate that is received is delivered to the equipment (for example drying roller) in aggregate screening induction system downstream.
The above-mentioned basic comprising that is aggregate screening induction system of the present utility model is compared with traditional screening system, and this aggregate screening system of the present utility model has significant advantage, will specifically describe as follows.
In traditional in the past aggregate screening process, only aggregate is carried out single screening (or even artificial screening of inefficiency) by sieving element (for example grid), adopt the screening mode of traditional grid only can carry out scalping to aggregate, exceed standard aggregate and foreign material of many in the original aggregate can not be filtered out fully.Because traditional screening mode can only carry out scalping to aggregate, its screening efficiency and screening effect are all relatively poor, can cause the adverse effect to follow-up equipment thus, and can cause the product quality made thus low.
Aggregate screening system of the present utility model can address the above problem.Particularly, aggregate screening induction system of the present utility model comprises the screening plant of two (or more than two), so that aggregate is sieved fully, improve the screening effect of aggregate thus, the aggregate that assurance enters following process equipment has good quality (particle diameter qualified and foreign material reduce), and avoids causing owing to aggregate quality is defective infringement to following process equipment.
More particularly, second screening plant of the present utility model comprises the rotational circle shaft screen, and second screening plant adopts the rotational circle shaft screen to come aggregate is carried out meticulous screening.In the prior art, because the structure and the arrangement of grid, during the screening operation undertaken by grid, aggregate is sized on being poured over grid the time, grid is fixedly arranged usually, so this is a kind of static screening operation, and is very fast or topple over the amount of aggregate when big when the speed of toppling over aggregate, tend to take place the problem that aggregate is piled up, thus the carrying out of influence screening.Relatively, in aggregate screening induction system of the present utility model, because the rotational circle shaft screen is in rotary manner aggregate to be sieved processing, what therefore it carried out is a kind of dynamic screening process, this dynamic screening helps the aggregate that effectively particle diameter exceeded standard and unnecessary foreign material screen out, and the mode of rotation screening is compared with other plane screening mode, can more effectively the aggregate screening of different size be opened.
It should be noted, comprise first screening plant and second screening plant although described aggregate screening system of the present utility model above, but it also can comprise more screening plant, to sieve more frequently, just for present processing request, carry out after the second time screening resulting aggregate by the rotational circle shaft screen and can satisfy and produced needs,, then can adopt screening more frequently on this basis if in the future the requirement of producing has been improved.In addition, aggregate screening system of the present utility model also has been equipped with corresponding conveying device, carries so that finish aggregate in each screening, and constituting a collection screening and conveying function thus is the aggregate system of one.
In above-mentioned aggregate screening system of the present utility model, by first screening plant original aggregate is carried out coarse sizing, aggregate after scalping is transported to first conveying device, first conveying device and then aggregate is delivered to second screening plant, second screening plant carries out meticulous screening by the rotational circle shaft screen to aggregate, guarantee to obtain to be suitable for the qualified aggregate that following process equipment uses, and then this part qualified aggregate is delivered to follow-up equipment (for example drying roller) by second conveying device.
Be exactly above aggregate screening system of the present utility model the essential structure mode with and the corresponding techniques effect.Below with reference to accompanying drawings and in conjunction with illustrative embodiments of the present utility model aggregate screening induction system of the present utility model is specifically described.
Fig. 1 shows a specific embodiment according to aggregate screening induction system of the present utility model, and in this embodiment, first screening plant still adopts traditional grid to carry out the screening first time.Although efficient is not optimum, grid can satisfy the requirement of scalping.As shown in fig. 1, first screening plant can comprise feed bin 12 and the screen cloth 13 that is arranged in feed bin 12 tops.Particularly, screen cloth 13 covers on the upper opening of feed bin 12, and can be fixedly mounted on the feed bin 12.Screen cloth 13 is used for the original aggregate of toppling over (for example, charging appliance is transported to feed bin 12 tops through the raw bone material shovel, and then is poured on the screen cloth 13) from the outside is carried out first screening (scalping), and feed bin 12 is used to hold and store temporarily the aggregate of the process screening first time.Through the screening of screen cloth 13, can sift out the foreign material such as stone, fragment of brick of super large.First screening plant also comprises feeding belt feeder (first belt feeder) 11, it is arranged in the lower part outlet downside of feed bin 12, to be delivered to first conveying device in downstream from the aggregate that feed bin 12 receives, meanwhile, feeding belt feeder 11 also carries out pre-grating to aggregate in transport process.Different feed bins are loading the aggregate of different-grain diameter respectively, if the pre-grating of realization aggregate, can realize promptly pre-grating accounts for the total amount ratio for the different-grain diameter aggregate preliminary allotment by the belt speed of regulating each storehouse feeding belt.
Above-described only is a kind of concrete make of first screening plant, but first screening plant of the present utility model is not limited to this concrete structure, for example, in other embodiment, can be equipped with a plurality of feed bins and corresponding screen cloth and feeding belt, can store and sieve by a plurality of feed bins and screen cloth simultaneously thus, this arrangement can be adjusted the speed of scalping neatly, and can be complementary with the operating rate of upstream device (for example, second screening plant).Perhaps, in another embodiment, first screening plant also can adopt other sieving elements beyond the screen cloth, for example ladder screen cloth.And feeding belt feeder 11 is not to be necessary yet, the removal of discharging from feed bin 12 aggregate of super large foreign material also can directly deliver to first conveyer.
And then as shown in Figure 1, first conveying device comprises feeding belt machine (second belt feeder) 10, and this feeding belt machine 10 is arranged in the below of first screening plant, to receive the aggregate from first screening plant.Particularly, in illustrated embodiment, feeding belt machine 10 is arranged in feeding belt feeder 11 belows, receives the aggregate from feeding belt feeder 11.As shown in Figure 1, an end of feeding belt machine 10 leads to second screening plant in downstream, so that will send into second screening plant through the aggregate of the different size after scalping and the pre-grating.
Below, will the concrete formation of second screening plant of the utility model aggregate screening induction system be described.Second screening plant also comprises except above-mentioned rotational circle shaft screen 7: motor 5, and it is used to drive drum sieve 7 rotations, and motor 5 links to each other with the rotating shaft of drum sieve 7 to drive drum sieve 7; Receiving hopper 9 is arranged on the porch of drum sieve 7, receives the aggregate from first conveying device (specifically from feeding belt 10); Buffering bucket (first outlet) 8, its outlet (not shown, as to be used to discharge the qualified aggregate after screening) that is arranged on drum sieve 7 is located, being delivered to second conveying device through the qualified aggregate after the screening for the second time; And chute (second outlet) 4, another outlet (not shown, as to be used to discharge the defective aggregate that is sifted out) that is arranged on drum sieve 7 is located, discharging through the defective aggregate after the screening second time of drum sieve 7.
Above-mentioned buffering bucket 8 is set; provide an easy access that arrives second conveying device on the one hand; on the other hand; a kind of cushioning effect also is provided; that is to say, aggregate is delivered in the process of second conveying device via buffering bucket 8, can be to directly from the carrying out of the aggregate of drum sieve 7 dischargings; to reduce impulsive force, also can protect second conveying device in downstream thus.Simultaneously, it also is the discharge of being convenient to defective aggregate that above-mentioned chute 4 is set, and as shown in Figure 1, the dolly 3 that connects material has been placed in the below of chute 4, and it can receive the defective aggregate that is discharged from.
Further preferably, second screening plant also comprises the arrangements for speed regulation 6 that are arranged between motor 5 and the drum sieve 7.These arrangements for speed regulation 6 are used to regulate the rotary speed of drum sieve 7, so that adjust the output speed of motor 5 and the operating efficiency of the rotary speed whole system of drum sieve 7 is complementary.For example, arrangements for speed regulation 6 can be simple decelerator or accelerators, perhaps more preferably, can be speed regulators, thereby can adjust the rotary speed of drum sieve 7 according to the practical operation situation.
And then, with reference to Fig. 1, second conveying device of the present utility model comprises transmission belt machine (the 3rd belt feeder) 2, one end of feed belt machine 2 is arranged in the below of second screening plant, particularly, in illustrated embodiment, be arranged in the below of buffering bucket 8, so that receive the qualified aggregate that behind regrading, remains.As shown in Figure 1, transmission belt machine 2 can support by support 1.Preferably, belt conveyer 2 can be configured to be inclined relative to horizontal the straight belt feeder of layout.Certainly, in other embodiments, belt conveyer 2 also can adopt other layout and makes according to the arrangement of process equipment, for example can adopt the form of the feeding belt machine 10 among the figure.
Preferably, the drum sieve 7 in above-mentioned second screening plant is inclined relative to horizontal layout, and this arrangement more helps sieving the aggregate of different size, thereby obtains better screening efficiency and effect.Further preferably, the side of drum sieve 7 is provided with observes the door (not shown), by this observation door the inside of drum sieve 7 is observed, so that during the sieve plate serious wear in observing drum sieve, in time change sieve plate, to guarantee in the scope that the specification of aggregate after the drum sieve 7 screening processing is being permitted.Further preferably, the top of drum sieve 7 and side also are provided with the dust cover (not shown), and this dust cover can prevent that dust from producing, and reduces the pollution to surrounding environment.
Be preferred embodiment of the present utility model only below, be not limited to the utility model, for a person skilled in the art, the utility model can have various changes and variation.All any modifications of within spirit of the present utility model and principle, being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. an aggregate sieves induction system, comprising:
First screening plant receives original aggregate and described original aggregate is carried out the screening first time;
First conveying device is arranged in the described first screening plant downstream, receives from the aggregate after the process screening for the first time of described first screening plant,
It is characterized in that, also comprise:
Second screening plant is arranged in the downstream of described first conveying device, receives the aggregate from described first conveying device, the aggregate that is received is carried out second time sieve; And
Second conveying device is arranged in the downstream of described second screening plant, receive and transport from described second screening plant through the aggregate after the screening for the second time.
2. aggregate screening induction system according to claim 1 is characterized in that described second screening plant comprises rotational circle shaft screen (7).
3. aggregate screening induction system according to claim 2 is characterized in that described rotational circle shaft screen (7) is inclined relative to horizontal layout.
4. according to each described aggregate screening induction system in the claim 1 to 3, it is characterized in that described first screening plant comprises:
Feed bin (12) is used to hold the aggregate that sieves through for the first time;
Screen cloth (13) is arranged in described feed bin (12) top; And
First belt feeder (11) is arranged in the lower part outlet downside of described feed bin (12), will be delivered to first conveying device in downstream from the aggregate that described feed bin (12) receives.
5. according to each described aggregate screening induction system in the claim 1 to 3, it is characterized in that, described first conveying device comprises second belt feeder (10), described second belt feeder (10) is arranged in the below of described first screening plant to receive the aggregate from described first screening plant, and an end of described second belt feeder (10) leads to described second screening plant.
6. according to claim 2 or 3 described aggregate screening induction systems, it is characterized in that described second screening plant also comprises:
Motor (5) links to each other to drive described rotational circle shaft screen (7) with the rotating shaft of described rotational circle shaft screen (7);
Receiving hopper (9) is arranged on the porch of described rotational circle shaft screen (7), to receive the aggregate from described first conveying device;
First outlet (8) is arranged on an exit of described rotational circle shaft screen (7), being delivered to described second conveying device through the qualified aggregate after the screening for the second time;
Second outlet (4) is arranged on another exit of described rotational circle shaft screen (7), discharging through the defective aggregate after the screening for the second time.
7. aggregate screening induction system according to claim 6 is characterized in that described second screening plant also comprises the arrangements for speed regulation (6) that are arranged between described motor (5) and the described rotational circle shaft screen (7).
8. aggregate screening induction system according to claim 7 is characterized in that described arrangements for speed regulation (6) are decelerator, accelerator or speed regulator.
9. according to described aggregate screening induction system in the claim 1 to 3, it is characterized in that described second conveying device comprises the 3rd belt feeder (2), an end of described the 3rd belt feeder (2) is arranged in the below of described second screening plant.
10. aggregate screening induction system according to claim 9 is characterized in that described the 3rd belt feeder (2) is inclined relative to horizontal layout.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206828094U CN202028542U (en) | 2010-12-27 | 2010-12-27 | Aggregate screening and conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206828094U CN202028542U (en) | 2010-12-27 | 2010-12-27 | Aggregate screening and conveying system |
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| Publication Number | Publication Date |
|---|---|
| CN202028542U true CN202028542U (en) | 2011-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206828094U Expired - Fee Related CN202028542U (en) | 2010-12-27 | 2010-12-27 | Aggregate screening and conveying system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728541A (en) * | 2012-07-16 | 2012-10-17 | 马万尤 | Multidirectional mobile type soil screening machine |
| CN103071624A (en) * | 2013-02-04 | 2013-05-01 | 洛阳理工学院 | Waste concrete recycling and screening device |
| CN103481374A (en) * | 2012-06-12 | 2014-01-01 | 泉州市三隆重工实业有限公司 | Conveying system for aerial bunker of mixing station |
| CN104552613A (en) * | 2015-01-15 | 2015-04-29 | 长江勘测规划设计研究有限责任公司 | Reutilization device of fine aggregates with grain size less than 5mm in concrete production |
| CN105899295A (en) * | 2013-12-11 | 2016-08-24 | Khd洪保德韦达克有限公司 | Closed-circuit grinding plant having a pre-classifier and a ball mill |
| CN110847179A (en) * | 2019-11-20 | 2020-02-28 | 郑炎昊 | Concrete pouring pumping equipment for geotechnical engineering |
-
2010
- 2010-12-27 CN CN2010206828094U patent/CN202028542U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103481374A (en) * | 2012-06-12 | 2014-01-01 | 泉州市三隆重工实业有限公司 | Conveying system for aerial bunker of mixing station |
| CN103481374B (en) * | 2012-06-12 | 2016-09-14 | 泉州市三隆重工实业有限公司 | Mixing plant aerial bunker induction system |
| CN102728541A (en) * | 2012-07-16 | 2012-10-17 | 马万尤 | Multidirectional mobile type soil screening machine |
| CN103071624A (en) * | 2013-02-04 | 2013-05-01 | 洛阳理工学院 | Waste concrete recycling and screening device |
| CN103071624B (en) * | 2013-02-04 | 2016-01-20 | 洛阳理工学院 | Discarded concrete reclaims screening plant |
| CN105899295A (en) * | 2013-12-11 | 2016-08-24 | Khd洪保德韦达克有限公司 | Closed-circuit grinding plant having a pre-classifier and a ball mill |
| CN104552613A (en) * | 2015-01-15 | 2015-04-29 | 长江勘测规划设计研究有限责任公司 | Reutilization device of fine aggregates with grain size less than 5mm in concrete production |
| CN110847179A (en) * | 2019-11-20 | 2020-02-28 | 郑炎昊 | Concrete pouring pumping equipment for geotechnical engineering |
| CN110847179B (en) * | 2019-11-20 | 2021-05-25 | 郑炎昊 | Concrete pouring pumping equipment for geotechnical engineering |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20151227 |
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| EXPY | Termination of patent right or utility model |