CN105110041A - Method and device for raising transport efficiency of natural sandstone material - Google Patents
Method and device for raising transport efficiency of natural sandstone material Download PDFInfo
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- CN105110041A CN105110041A CN201510339942.7A CN201510339942A CN105110041A CN 105110041 A CN105110041 A CN 105110041A CN 201510339942 A CN201510339942 A CN 201510339942A CN 105110041 A CN105110041 A CN 105110041A
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Abstract
The invention discloses a method and device for raising transport efficiency of natural sandstone material. The method is characterized in that a preliminary screen device is fixed to two side boards of a hopper of a dump truck used for transporting natural sandstone material, the preliminary screen device is composed of a group of screening bars which are inclined and arranged at an equal interval, unqualified material having overlarge particle sizes slides down along the inclined screening bars, and qualified material falls into the hopper from gaps of the screening bars arranged at the equal interval. The proportion of the qualified material in the hopper of the dump truck can be raised through preliminarily screening the natural sandstone, and the efficiency of transportation of the natural sandstone material and the efficiency of preliminary screening can be raised. The freight volume of natural sandstone material having overlarge particle sizes can be greatly reduced, the stacking cost of waste material can be reduced, the screening amount and screening efficiency in a stone field can be raised, the service life of stone processing equipment can be raised at the same time, and the maintenance rate of the equipment can be reduced.
Description
Technical field
the present invention relates to a kind of method and the device that improve natural sand building stones conveying efficiency, belong to sand material transport and triage techniques field.
Background technology
the natural sand building stones gathered from river shoal, usually need to be transported to building stones field and are processed into the finished product building stones meeting engine request.By the restriction of building stones field Fabricating machinery, the natural sand building stones that some particle diameter is larger can not directly be sent into equipment and process, so the natural sand building stones woollen of exploitation needed to screen before entering Fabricating machinery again, reject the sand material that some particle diameters are excessive, leave the building stones meeting equipment processing ability.Existing situation is: some natural sand building stones woollens are after screening sometimes, only has fraction can be used for processed finished products building stones, and major part can only, as rejected material process, cause woollen conveying efficiency low, and cost increases.
Summary of the invention
the object of the invention is to, a kind of method and the device that improve natural sand building stones conveying efficiency are provided, to improve the available rate of natural sand building stones, reduce rejected material rate, improve woollen transport and screening effeciency and reduce traffic cost, thus overcoming the deficiencies in the prior art.
technical scheme of the present invention is achieved in that
a kind of method improving natural sand building stones conveying efficiency of the present invention is, the method fixes screening device at the beginning of on dumping truck wagon box two side box plate transporting natural sand building stones, first screening device is made up of one group of screening bar of equidistant oblique arrangement, the nonconformity material surpassing particle diameter during entrucking is slipped to outside car along the screening bar tilted, and satisfactory accept falls in wagon box from the gap between the screening bar arranged at equal intervals; By improve accept ratio in dumping truck wagon box to the primary election of natural sandstone, thus improve natural sand building stones conveying efficiency.
in preceding method, described screening bar is equal angle product, and the square edge of equal angle upwards, weld with two channel-section steels being parallel to dumping truck wagon box two side box plate by the two other limit of equal angle; These two channel-section steels, a channel-section steel welds three short columns, and another channel-section steel welds three long columns; Short column and long column bottom are provided with fixed orifice, and short column is connected with dumping truck wagon box two side box plate by fixed orifice with long column, thus are fixed on above dumping truck wagon box by equal angle inclined shore; By the length adjusting short column and long column, the leaning angle of screening bar and horizontal surface is remained between 38 ° ~ 42 °.
in preceding method, dumping truck wagon box two side box plate is stretched out at described screening bar two ends, and the nonconformity building stones tumbled to avoid when filling with substance smash dumping truck or affect dumping truck and travel.
in preceding method, the gap between the described screening bar arranged at equal intervals is determined sandstone aggregate Particle size requirements according to building stones Fabricating machinery; Consider that the stroke that natural sand building stones tumble on the screening bar tilted is shorter, the gap between two screening bars should require particle diameter slightly larger than the maximum of accept; To avoid too much accept disallowable.
of the present invention a kind of device improving natural sand building stones conveying efficiency according to said method structure and for said method is, this device comprises the angle steel of one group of equidistant oblique arrangement, angle steel welds with channel-section steel respectively near two limits of end positions, the channel-section steel of angle steel one end is welded with one group of short column, the channel-section steel of the angle steel other end is welded with group leader's column, the bottom of short column and long column is provided with fixed orifice.
in aforementioned means, the angle steel of described one group of equidistant oblique arrangement, its leaning angle is 38 ° ~ 42 °.
in aforementioned means, the angle steel of described one group of equidistant oblique arrangement, its spacing is slightly larger than the maximum particle diameter requirement of accept.
owing to have employed technique scheme, the present invention compared with prior art, the present invention can greatly reduce the transportation volume of oversize particle natural sand material, reduce the screening amount of building stones processing space and reduce the stacking cost of rejected material, improve the screening effeciency of building stones processing space, also can extend the service life of building stones Fabricating machinery simultaneously, reduce the maintenance rate of equipment.
Accompanying drawing explanation
fig. 1 is structural representation of the present invention;
fig. 2 is the side plan view of Fig. 1;
fig. 3 is the schematic diagram that device of the present invention is arranged on dumping truck wagon box.
mark in accompanying drawing: 1-angle steel, 2-channel-section steel, the short column of 3-, the long column of 4-, 5-fixed orifice.
Detailed description of the invention
below in conjunction with drawings and Examples, the present invention is described in further detail, but not as any limitation of the invention.
a kind of method improving natural sand building stones conveying efficiency of the present invention, as shown in Figure 3, the method fixes screening device at the beginning of on dumping truck wagon box two side box plate transporting natural sand building stones, first screening device is made up of one group of screening bar of equidistant oblique arrangement, the nonconformity material surpassing particle diameter during entrucking is slipped to outside car along the screening bar tilted, and satisfactory accept falls in wagon box from the gap between the screening bar arranged at equal intervals; By improve accept ratio in dumping truck wagon box to the primary election of natural sandstone, thus improve natural sand building stones conveying efficiency.Screening bar is equal angle product, and the square edge of equal angle upwards, weld with two channel-section steels being parallel to dumping truck wagon box two side box plate by the two other limit of equal angle; A channel-section steel welds three short columns, another channel-section steel welds three long columns; Short column and long column bottom are provided with fixed orifice, and short column is connected with dumping truck wagon box two side box plate by fixed orifice with long column, are fixed on by equal angle inclined shore above dumping truck wagon box; By the length adjusting short column and long column, the inclined angle alpha of screening bar and horizontal surface is remained between 38 ° ~ 42 °.Dumping truck wagon box two side box plate is stretched out at screening bar two ends, and the nonconformity building stones tumbled to avoid when filling with substance smash dumping truck or affect dumping truck and travel.Gap between the screening bar arranged at equal intervals is determined sandstone aggregate Particle size requirements according to building stones Fabricating machinery; Consider that the stroke that natural sand building stones tumble on the screening bar tilted is shorter, the gap between two screening bars should require particle diameter slightly larger than the maximum of accept; To avoid too much accept disallowable.
to build according to said method and for of the present invention a kind of device improving natural sand building stones conveying efficiency of said method, as depicted in figs. 1 and 2, this device comprises the angle steel 1 of one group of equidistant oblique arrangement, its inclined angle alpha is 38 ° ~ 42 °, and its spacing is slightly larger than the maximum particle diameter requirement of accept.Angle steel 1 welds with channel-section steel 2 respectively near two limits of end positions, and the channel-section steel 2 of angle steel 1 one end is welded with one group short column 3, the channel-section steel 2 of angle steel 1 other end is welded with group leader's column 4, the bottom of short column 3 and long column 4 is provided with fixed orifice 5.The angle steel 1 of angle steel 1, one group of equidistant oblique arrangement of one group of equidistant oblique arrangement, its spacing is slightly larger than the maximum particle diameter requirement of accept.
Embodiment
the oversize particle of natural soft-clay building stones too much can restrict the conveying efficiency of exploitation material and the work efficiency of screening system of mining equipment.
(1) for natural borrow area system, the prototype gradation of its woollen is known, and each production phase concreting side's amount is also known, and namely the demand of each production phase aggregate at different levels is known.Problem is to there is difference between the grating of the aggregates at different levels of natural material and the demand grating of each stage aggregate.When only having a material source, in order to ensure the needs of concrete production, the yield of woollen must be determined by the maxim meeting the requirement of aggregate grating, thus bring a kind of particle diameter and play control action and run out, and other particle diameter material remains in a large number, namely so-called grating rejected material can increase, and causes woollen traffic cost to increase.If according to the grating requirement of each stage aggregate, nature aggregate woollen part grating rejected material can be rejected when woollen is exploited, the rejected material of screening system can be reduced, thus improve the processing pick-up rate of nature aggregate woollen.
(2), when oversize particle is too much, the increase of system processing load, device processes ability and degree of utilization during screening plant work, is easily caused to reduce.Especially better reject oversize particle for grating and can meet aggregate requirements or needs are not by the nature aggregate stock ground of oversize Particle Breakage, too much oversize particle woollen enters screening system and will inevitably reduce screening plant efficiency, increases productive costs.
(3) too much great Shi, especially big stone directly enter screening plant, can produce larger impact, easily destroy screen cloth, increase the repair rate of equipment, cause system throughput to reduce the compass screen surface of screening plant.
therefore, how reasonable design and improve natural sand building stones sieving technology, under ensureing sand material quality and producing prerequisite that consumption requires, cost saving, reduces costs, and will be the important channel improving natural sand building stones field productive capacity.
in order to overcome above-mentioned deficiency, the first screening device of has been installed in the present invention as shown in Figure 3 additional on dumping truck wagon box two side box plate.First screening device as depicted in figs. 1 and 2, comprises the angle steel 1 of one group of equidistant oblique arrangement, and its inclined angle alpha is 38 ° ~ 42 °, and its spacing is slightly larger than the maximum particle diameter requirement of accept.Angle steel 1 welds with channel-section steel 2 respectively near two limits of end positions, and the channel-section steel 2 of angle steel 1 one end is welded with one group short column 3, the channel-section steel 2 of angle steel 1 other end is welded with group leader's column 4, the bottom of short column 3 and long column 4 is provided with fixed orifice 5.The angle steel 1 of angle steel 1, one group of equidistant oblique arrangement of one group of equidistant oblique arrangement, its spacing is slightly larger than the maximum particle diameter requirement of accept.
angle steel adopts equilateral standard angle steel; the length of angle steel should consider that the boxboard of truck both sides can be stretched out in two; can play protection automobile wagon box, angle steel stretches out certain distance and oversize stone can be avoided in the in-plant accumulation in automobile side in short column one end, to such an extent as to affects the traveling of vehicle.Short column and long column also adopt channel-section steel to make.Sandstone aggregate Particle size requirements needed for spacing between angle steel and angle steel can need according to scene carries out adjustment and determines.Consider that the stroke that woollen sieves is shorter, part accept also can be disallowable, so the distance D between two fixing gratings should be slightly larger than the minimum grain size of the oversize material of rejecting.Short column and long column are fixed respectively by stud nut and dumping truck wagon box two side box plate.The compass screen surface inclined angle alpha that angle steel is formed according to the actual sandstone aggregate character in scene and should require that the maximum diameter of aggrogate of rejecting is determined to obtain through in-place test.Rule of thumb, the friction angle of sandy gravel is generally between 38 ° ~ 42 °, so the setting angle α of compass screen surface can determine with reference to this scope and on-the-spot sandy gravel character.The present invention is for sufficient material source, and the nature aggregate stock ground particularly suitable that oversize particle is more.
have the following advantages after adopting method of the present invention and device:
(1) transportation volume of oversize particle (grating rejected material) is decreased
unnecessary oversize particle is rejected, especially for sufficient material source or do not need, by the nature aggregate system of processing of oversize Particle Breakage, the quality of the woollen being transported to screening plant can be improved when can be exploited in sandy gravel stock ground by vehicle-mounted just screening device.
(2) reduce the useless doses at screening building place, decrease and the special-use heaps without materials is saved as this.
due to by vehicle-mounted gravity flow screen, weeded out by a large amount of oversize gravel when entrucking exploited by woollen, the rejected material amount at screening building place reduces, and what save screening building aggregate stores up place, decreases and transports the input of storing up by carrying out secondary without materials.
(3) improve the screening efficiency of screening plant
due to when the entrucking of woollen excavation, weeded out by a large amount of oversize gravel by vehicle-mounted just screening device, the woollen grating entering screening plant is more reasonable, and screening woollen decreases the obstruction of oversize particle, the processing load of screening plant can more effectively utilize, and screening efficiency improves.
(4) the maintenance rate of screening plant is reduced.
the vehicle-mounted just screening device of dumping truck can greatly reduce the quantity that oversize particle enters screening plant, and actv. protects the compass screen surface of screening plant, reduces repair rate, and device processes ability and degree of utilization are improved.
Claims (7)
1. one kind is improved the method for natural sand building stones conveying efficiency, it is characterized in that: the method fixes screening device at the beginning of on dumping truck wagon box two side box plate transporting natural sand building stones, first screening device is made up of one group of screening bar of equidistant oblique arrangement, the nonconformity material surpassing particle diameter during entrucking is slipped to outside car along the screening bar tilted, and satisfactory accept falls in wagon box from the gap between the screening bar arranged at equal intervals; By improve accept ratio in dumping truck wagon box to the primary election of natural sandstone, thus improve natural sand building stones conveying efficiency.
2. improve the method for natural sand building stones conveying efficiency according to claim 1, it is characterized in that: described screening bar is equal angle product, the square edge of equal angle upwards, weld with two channel-section steels being parallel to dumping truck wagon box two side box plate by the two other limit of equal angle; These two channel-section steels, a channel-section steel welds three short columns, and another channel-section steel welds three long columns; Short column and long column bottom are provided with fixed orifice, and short column is connected with dumping truck wagon box two side box plate by fixed orifice with long column, thus by the screening bar inclined shore of equal angle above dumping truck wagon box; By the length adjusting short column and long column, the leaning angle of screening bar and horizontal surface is remained between 38 ° ~ 42 °.
3. improve the method for natural sand building stones conveying efficiency according to claim 1, it is characterized in that: dumping truck wagon box two side box plate is stretched out at described screening bar two ends, the nonconformity building stones tumbled to avoid when filling with substance smash dumping truck or affect dumping truck and travel.
4. improve the method for natural sand building stones conveying efficiency according to claim 1, it is characterized in that: the gap between the described screening bar arranged at equal intervals is determined sandstone aggregate Particle size requirements according to building stones Fabricating machinery; Consider that the stroke that natural sand building stones tumble on the screening bar tilted is shorter, the gap between two screening bars should require particle diameter slightly larger than the maximum of accept; To avoid too much accept disallowable.
5. the device for the raising natural sand building stones conveying efficiency of method described in the arbitrary claim of claim 1-4, it is characterized in that: this device comprises the angle steel (1) of one group of equidistant oblique arrangement, angle steel (1) welds with channel-section steel (2) respectively near two limits of end positions, the channel-section steel (2) of angle steel (1) one end is welded with one group of short column (3), the channel-section steel (2) of angle steel (1) other end is welded with group leader's column (4), the bottom of short column (3) and long column (4) is provided with fixed orifice (5).
6. improve the device of natural sand building stones conveying efficiency according to claim 5, it is characterized in that: the angle steel (1) of described one group of equidistant oblique arrangement, its leaning angle (α) is 38 ° ~ 42 °.
7. improve the device of natural sand building stones conveying efficiency according to claim 5, it is characterized in that: the angle steel (1) of described one group of equidistant oblique arrangement, its spacing is slightly larger than the maximum particle diameter requirement of accept.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510339942.7A CN105110041A (en) | 2015-06-18 | 2015-06-18 | Method and device for raising transport efficiency of natural sandstone material |
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| CN201510339942.7A CN105110041A (en) | 2015-06-18 | 2015-06-18 | Method and device for raising transport efficiency of natural sandstone material |
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| CN201510339942.7A Pending CN105110041A (en) | 2015-06-18 | 2015-06-18 | Method and device for raising transport efficiency of natural sandstone material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107899937A (en) * | 2017-12-19 | 2018-04-13 | 中国葛洲坝集团第三工程有限公司 | Simple natural sand stone screening separator and preparation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5816336A (en) * | 1997-01-30 | 1998-10-06 | Underhill; Kenneth R. | Apparatus and method for destroying wet/dry aeration cores |
| CN1211473A (en) * | 1998-08-15 | 1999-03-24 | 陈敦强 | Sand and stone separating screen device |
| CN202345493U (en) * | 2011-12-16 | 2012-07-25 | 梁建东 | Mining truck with screen sieves |
| CN202828861U (en) * | 2012-08-08 | 2013-03-27 | 天津港散货物流有限责任公司 | Funnel grate steel structure |
| CN103447223A (en) * | 2013-09-12 | 2013-12-18 | 湖南省科辉墙材有限公司 | Rough and fine material automatic sieving device |
| CN204208776U (en) * | 2014-08-20 | 2015-03-18 | 攀枝花钢城集团有限公司 | Strontium ferrite powder ball screening separator |
| CN204751569U (en) * | 2015-06-18 | 2015-11-11 | 中国电建集团贵阳勘测设计研究院有限公司 | Efficiency of transportation of natural sand building stones is improved device |
-
2015
- 2015-06-18 CN CN201510339942.7A patent/CN105110041A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5816336A (en) * | 1997-01-30 | 1998-10-06 | Underhill; Kenneth R. | Apparatus and method for destroying wet/dry aeration cores |
| CN1211473A (en) * | 1998-08-15 | 1999-03-24 | 陈敦强 | Sand and stone separating screen device |
| CN202345493U (en) * | 2011-12-16 | 2012-07-25 | 梁建东 | Mining truck with screen sieves |
| CN202828861U (en) * | 2012-08-08 | 2013-03-27 | 天津港散货物流有限责任公司 | Funnel grate steel structure |
| CN103447223A (en) * | 2013-09-12 | 2013-12-18 | 湖南省科辉墙材有限公司 | Rough and fine material automatic sieving device |
| CN204208776U (en) * | 2014-08-20 | 2015-03-18 | 攀枝花钢城集团有限公司 | Strontium ferrite powder ball screening separator |
| CN204751569U (en) * | 2015-06-18 | 2015-11-11 | 中国电建集团贵阳勘测设计研究院有限公司 | Efficiency of transportation of natural sand building stones is improved device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107899937A (en) * | 2017-12-19 | 2018-04-13 | 中国葛洲坝集团第三工程有限公司 | Simple natural sand stone screening separator and preparation method thereof |
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Application publication date: 20151202 |