CN1371791A - Cold aggregate batching treatment method and device for continuous bituminous concrete mixing equipment - Google Patents
Cold aggregate batching treatment method and device for continuous bituminous concrete mixing equipment Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 70
- 239000004567 concrete Substances 0.000 title claims abstract description 48
- 238000002156 mixing Methods 0.000 title claims description 54
- 239000000463 material Substances 0.000 claims description 26
- 239000004615 ingredient Substances 0.000 claims description 21
- 238000012216 screening Methods 0.000 claims description 14
- 238000005303 weighing Methods 0.000 claims description 11
- 210000004027 cell Anatomy 0.000 claims description 9
- 230000003028 elevating effect Effects 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 3
- 239000010426 asphalt Substances 0.000 abstract description 13
- 238000010276 construction Methods 0.000 abstract description 8
- 230000008929 regeneration Effects 0.000 abstract description 2
- 238000011069 regeneration method Methods 0.000 abstract description 2
- 238000007873 sieving Methods 0.000 abstract description 2
- 238000003756 stirring Methods 0.000 abstract 2
- 239000004576 sand Substances 0.000 description 14
- 239000000203 mixture Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 238000003672 processing method Methods 0.000 description 5
- 239000011384 asphalt concrete Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000026676 system process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The present invention relates to a cold aggregate batching treatment method for continuous-stirring equipment of bituminous concrete for highroad surface construction and asphalt parement regeneration engineering, and is characterized by that before the cold aggregate is continuously metered, firstly, said cold aggregate is passed through sieving machine to implement pregradation, then continuously metered by means of metering device then fed into continuous bituminous concrete stirring equipment and its next stoving procedure.
Description
Technical field
The present invention relates to be used for the cold aggregate batching treatment method and the device of the continuous bituminous concrete mixing equipment of highway pavement construction and asphalt pavement regeneration engineering, pre-classification processing method of particularly cold aggregate and device.
Background technology
In the asphalt pavement construction, the equipment that is used for the formed asphalt compound has two types, continuous bituminous concrete mixing equipment and intermittent asphalt concrete mixing plant.Continous way is compared with the intermittent asphalt concrete mixing plant, and the efficient height, output is big, energy consumption is low, reliability is high, is widely used in advanced national highway pavement engineering.Since the nineties, the continuous asphalt mixing plant replaces batch (-type) pitch facilities of mix storied building in foreign highway engineering become irreversible trend.But, also run into impassable difficulty even resemble the use of continuous bituminous concrete mixing equipment in China's asphalt pavement of highway construction that U.S. ASTEC company has a this outstanding patent of " twin-roll " (DOUBLE BRAL).Its reason is, because most suppliers of the aggregate that China's pavement engineering is used, many descriptions of the strict demand of grating are not classified according to bituminous paving, and existing continuous bituminous concrete mixing equipment since with the difference of the operation principle of intermittent asphalt concrete mixing plant, the metering system of its aggregate all is arranged at the feed link (aggregate that requirement enters before the facilities of mix storied building has been that specification is suitable) of aggregate, not as the intermittent asphalt concrete mixing plant, after the aggregate baking operation, weighing again after sieving.Therefore, existing continuous bituminous concrete mixing equipment (as more well-known U.S. ASTEC, the product of companies such as French ERMOMNT, Italian MARENE), all can not guarantee when using the bad aggregate of those specifications, still can mix and make good, the colory compound of grating.For this reason, all have to stipulate without exception about the clause of " system of mixing of hot-mix asphalt mixture " among China standard GB 50092-96 " Code for constrution and acceptance of asphat pavement ", the ministry standard JTJ 032-94 of Ministry of Communications " asphalt highway construction technique normalizing ": " when engineering material source or quality instability, must not adopt the continuous mixer system of mixing ".
In existing patented technology, as U.S. Pat 5957302, two kinds of aggregate sieve powder treating apparatus that US5120433 proposes are the equipment that a kind of self-propelled is used for constructing on the spot.Chinese patent CN87208676U, CN2307675Y, CN2308496Y, CN2111176U etc. have all designed the aggregate batching device that is used for cement concrete, and are not used in the screening machine of aggregate gradation.Though the screening plant and the aggregate batching device of the aggregate that above-mentioned disclosed document is designed can make up, the requirement of field that they were suitable for and the concrete mixing plant of heated bitumen differs greatly.
Summary of the invention
The present invention is in order to solve continuous bituminous concrete mixing equipment and to be used to mix those engineering materials of system source or the unsettled aggregate of quality, can guarantee that still the grating that obtains correct compound designs.The design's principle is the technological process that changes asphalt mixing plant, starting end in the technological process of the feed proportioning system of existing continuous bituminous concrete mixing equipment, increase the pre-classification treating apparatus of aggregate, the function of continuous bituminous concrete mixing equipment is promoted, regrading function with aggregate, thereby can under engineering material source or the unsettled rough sledding of quality, mix the strict demand that the grating of making the asphalt that comes can satisfy any standard.
Technical scheme of the present invention is a kind of cold aggregate batching treatment method device of continuous bituminous concrete mixing equipment, and its processing method is characterised in that cold aggregate carried out pre-classification by screening machine earlier before carrying out continuous metering.The pre-classification of cold aggregate is to be realized by the screening machine of a multilayer or many single or multiple lifts.Cold aggregate branch specification after pre-screening a plurality of cold aggregate bins of directly packing into through carrying out continuous metering with the corresponding cold aggregate metering device of specification separately, are delivered to following one baking operation of continuous bituminous concrete mixing equipment then again.The continuous metering mode of cold aggregate has three kinds: (1) every kind of cold aggregate volumetric method continuous metering, and the gross weight flow of cold aggregate claims to carry out the gravimetric method continuous metering with belt; (2) various cold aggregates claim to carry out the gravimetric method continuous metering with decrement method hopper alone; (3) various cold aggregates claim to carry out the gravimetric method continuous metering with belt alone.
The equipment of realizing this method comprises a plurality of (such as 4 that use always) cold aggregate bin and ingredients belt, Weighing device, gather materials belt conveyer and frame, it is characterized in that: vibratory sieve and flash groove are arranged above cold aggregate bin, between vibratory sieve and cold aggregate bin the aggregate bin demarcation strip is arranged, it also comprises cold aggregate elevating hopper and cold aggregate charging belt machine.Vibratory sieve is one three and half or four layers a multi-deck screen extension set, or 2 above individual layers or double deck screen extension set, is used for the pre-classification of aggregate and handles.Thereby no matter whether cold aggregate had divided good level in advance before this equipment of entering, whether perhaps classified particle diameter meets the demands, all to before batching metering, be sent to and presort level on the screening machine, thereby guarantee that cold aggregate obtains good grating when measuring.When adopting volumetric method to carry out the aggregate metering, the discharge end of the belt conveyer that gathers materials is furnished with the belt electronic scale.When adopting gravimetric method to carry out the aggregate metering, between each cold aggregate bin and its ingredients belt, be equipped with continuous metering bucket scale and LOAD CELLS thereof respectively.
The invention has the beneficial effects as follows, existing continuous bituminous concrete mixing equipment adopts the pre-classification processing method of cold aggregate of the present invention's design, can overcome the deficiency of existing continuous bituminous concrete mixing equipment, break through above-mentioned standard (GB 50092-96, JTJ 032-94) restriction of clause, make those building sites in " engineering material source or quality instability ", the asphalt of mixing system with continuous bituminous concrete mixing equipment just can be applied to the construction of asphalt pavement of highway fully, make the existing outstanding continuous bituminous concrete mixing equipment of performance also can overcome the disadvantage that specification of aggregate mixes in the highway in China construction, the bituminous concrete of guaranteeing to process " grating is reasonable; superior in quality " is applicable to the construction of highway.
Description of drawings
Fig. 1 is existing continuous bituminous concrete mixing equipment process chart.
Fig. 2 is the continuous bituminous concrete mixing equipment technological process of having adopted the pre-classification processing method of the cold aggregate of the present invention.The continuous metering mode of its cold aggregate adopts various cold aggregates to claim to carry out the gravimetric method continuous metering with decrement method hopper alone.
Fig. 3 is the continuous bituminous concrete mixing equipment technological process of having adopted the pre-classification processing method of the cold aggregate of the present invention.The continuous metering mode of its cold aggregate adopts every kind of cold aggregate volumetric method continuous metering, and the gross weight flow of cold aggregate claims to carry out the gravimetric method continuous metering with belt.And use natural sand to make fine aggregate.
Fig. 4 is the structural representation of the cold aggregate batching device of the continuous bituminous concrete mixing equipment of realization the inventive method.The continuous metering mode of its cold aggregate adopts various cold aggregates to claim to carry out the gravimetric method continuous metering with decrement method hopper alone.
Fig. 5 is the side view of cold aggregate batching device shown in Figure 4.
Fig. 6 is the structural representation of the cold aggregate batching device of the continuous bituminous concrete mixing equipment of realization the inventive method.The continuous metering mode of its cold aggregate adopts every kind of cold aggregate volumetric method continuous metering, and the gross weight flow of cold aggregate claims to carry out the gravimetric method continuous metering with belt.And use natural sand to make fine aggregate.
Fig. 7 is the side view of cold aggregate batching device shown in Figure 6.
Wherein: the cold aggregate elevating hopper of 1-; The cold aggregate charging belt of 2-machine; The 3-vibratory sieve; The cold aggregate bin of 4-; 5-continuous metering bucket scale; 6-aggregate bin demarcation strip; The cold aggregate bin sluice gate of 7-; The 8-LOAD CELLS; The 9-ingredients belt; The 10-belt conveyer that gathers materials; The 11-flash groove; The 12-frame; 13-belt electronic scale; 14-natural sand batch hopper.
The specific embodiment
As shown in Figure 1, in the frame of broken lines be the cold aggregate batching system process of existing widely used continuous bituminous concrete mixing equipment.Aggregate is to be loaded into respectively on several " cold aggregate batching storehouses " from classified good stockpile district, prepare burden via every cover proportioner (if preparing burden) with the aggregate of 4 kinds of specifications, the metering method of blending process adopts " volumetric method " usually, promptly the cold aggregate of four kinds of specifications is concentrated after preparing burden and is delivered on the belt feeder that gathers materials, the gross weight that the unit interval of several aggregates is flow through by one " belt electronic scale " detects again, carries out the foundation of proportion control during as later pitch metering and breeze metering.The batching flow process of Fig. 1 is: many cold aggregate batching storehouse-cold aggregate continuous meterings (total amount to aggregate is measured).As seen from Figure 1, the prior classification of cold aggregate batching system requirements aggregate of existing continuous bituminous concrete mixing equipment is good, otherwise each aggregate batching bin is if the specification of the aggregate of self adorning mixes, no matter how accurate metering separately is, and the grating of gathering materials that the aggregate bin that is mixed by 4 kinds of specifications is prepared can not reach predefined requirement certainly.The limitation place of the continous batching metering process flow process of the cold aggregate of Here it is traditional continuous bituminous concrete mixing equipment.
As shown in Figure 2, the present invention is improved the technological process of traditional continuous bituminous concrete mixing equipment, before the continous batching measurement process of cold aggregate, has increased " the pre-classification of aggregate is handled " operation.Compare with the cold aggregate batching system of traditional continuous bituminous concrete mixing equipment, increased a cover " the pre-classification of aggregate is handled " device.Cold aggregate batching system process shown in Fig. 2 frame of broken lines is: the cold aggregate continuous metering of the pre-classification processing-a plurality of cold aggregate bins-many of aggregate.The flow process of Fig. 3 is: the pre-classification processing-a plurality of cold aggregate batchings of aggregate storehouse-cold aggregate continuous metering (total amount to aggregate is measured).This shows, no matter whether cold aggregate classification in advance, whether perhaps classified particle diameter meets the demands, all will be before entering batching metering, at first be sent on the multi-deck screen extension set and presort level, thereby guarantee that cold aggregate obtains good grating when measuring.
As a kind of special case,,, must not sieve again just and can prepare burden owing to when the water content of natural sand is higher, can influence the screening efficiency of reciprocating sieve, and the particle diameter of natural sand is very good for using natural sand to make the occasion of fine aggregate.For adapting to this situation, a kind of design of the present invention is the natural sand that particle diameter is the good sand batch hopper of directly packing into separately, and must sieve in advance through vibratory sieve, as shown in Figure 3.
Shown in Fig. 4-7, the device of realizing this method comprises cold aggregate elevating hopper 1 and cold aggregate charging belt machine 2, four cold aggregate bins 4 and four ingredients belts 9 thereof, gather materials belt conveyer 10 and frame 12, vibratory sieve 3 and flash groove 11 are arranged above cold aggregate bin 4, and 4 of vibratory sieve 3 and cold aggregate bins have aggregate bin demarcation strip 6.Cold aggregate was wanted to carry out pre-classification by screening machine earlier before carrying out continuous metering.The pre-classification treatment process of its aggregate can be with a multi-deck screen extension set (such as 3 layers half or 4 layer), also can be used by the screening machine of several 1 layer or 2 layers, the aggregate prescreening is become four kinds of (or more than four kinds) particle diameter grades, and it is stand-by to be respectively charged into four (or more than four) aggregate bins.Shown in Fig. 4-7, aggregate whether (no matter classification) is loaded onto cold aggregate elevating hopper 1, by cold aggregate charging belt machine 2, deliver on the vibratory sieve 3 that four layers of (or three and half) screen cloth are arranged, obtain the aggregate of four kinds of specifications after the screening, by minute storehouse dividing plate 6 aggregate is stored into respectively in four aggregate bins 4, the aggregate of super-size is abandoned useless from flash groove 11, handles thereby finished the pre-classification of aggregate.
The continuous metering mode of cold aggregate has three kinds, every kind of cold aggregate volumetric method continuous metering of the first, the gross weight flow of cold aggregate carries out the gravimetric method continuous metering with belt conveyer scale, pass through the discharge door aperture and the proportioning belt linear velocity of each aggregate bin of adjustment continuous bituminous concrete mixing equipment aggregate batcher during metering, the volumetric flow rate of the aggregate stream that control is flowed out, reach the batching requirement, various aggregates are wandered on the belt feeder that gathers materials, and are detected the gross weight flow of aggregate stream by the belt conveyer scale of the belt feeder discharge end that gathers materials.It two is, various cold aggregates carry out the gravimetric method continuous metering with decrement method bunker scale alone, when beginning to measure, open the discharge door of each aggregate bin of continuous bituminous concrete mixing equipment aggregate batcher, every kind of cold aggregate flows out from feed bin separately, fill the weigh-hatching plant that is positioned at its below fast, each weigh-hatching plant is by three or four LOAD CELLSs supports, LOAD CELLS in time detects the gross weight (the hopper deadweight adds the weight of aggregate) of hopper, close discharge door then, start the ingredients belt below each weigh-hatching plant, aggregate flows out from each weigh-hatching plant, falls on the belt feeder that gathers materials, along with ingredients belt is sent aggregate from weigh-hatching plant, the weight of weigh-hatching plant will reduce gradually, by the speed that robot control system(RCS) is regulated ingredients belt, the accuracy that assurance batching speed can satisfy the continuous flow of this kind aggregate reaches requirement, when the aggregate of weigh-hatching plant arrives material level, once more the discharge door of aggregate bin is opened to the weigh-hatching plant charging, so gone round and begun again.It three is, various cold aggregates claim to carry out the gravimetric method continuous metering with belt alone, and the ingredients belt of each aggregate bin of continuous bituminous concrete mixing equipment aggregate batcher all disposes a belt conveyer scale, detects the weight of every kind of aggregate stream respectively.
Shown in Fig. 4,5, when employing decrement method hopper claims to carry out the continous batching metering of the cold aggregate of gravimetric method, between each cold aggregate bin sluice gate 7 and its ingredients belt 9, be equipped with continuous metering bucket scale 5 and LOAD CELLS 8 thereof respectively.When beginning to measure, open the sluice gate 7 of corresponding aggregate bin, the aggregate in this storehouse is filled continuous metering bucket scale 5 fast, starts the ingredients belt 9 below the weighing hopper, and aggregate flows out from weighing hopper, falls on the belt feeder 10 that gathers materials.Each weighing hopper is by three or four LOAD CELLSs 8 supports, in time detect the gross weight of hopper, along with ingredients belt 9 is sent aggregate from weighing hopper, the weight of weighing hopper will reduce gradually, by the speed that robot control system(RCS) is regulated ingredients belt 9, the accuracy that assurance batching speed can satisfy the continuous flow of this kind aggregate reaches requirement.When the aggregate of continuous metering bucket scale 5 arrives material level, once more the sluice gate 7 of aggregate bin 4 is opened to the weighing hopper charging, so go round and begin again.Every kind of aggregate all has so independently continuous aggregate metering system, and the belt feeder 10 that gathers materials has been delivered to the oven dry tube through the aggregate of continuous metering with four kinds.This scheme is that various aggregates are carried out consecutive weighings separately, that is each aggregate all is through than " volumetric method " more accurate " gravimetric method " (decrement method electronic scale or belt electronic scale) continuous metering, thereby makes the grating of aggregate meet the requirements more.
When using natural sand to make fine aggregate, for gravimetric method, also be equipped with a natural sand weighing hopper scale and an ingredients belt thereof that comprises LOAD CELLS, for volumetric method, also be equipped with a natural sand batch hopper and ingredients belt thereof.
Shown in Fig. 6,7, when aggregate continous batching metering method adopts volumetric method, a belt electronic scale 13 is housed at the discharge end of the belt conveyer 10 that gathers materials.The cold aggregate of 4 kinds of specifications is prepared burden earlier with volumetric method, concentrates to deliver on the belt conveyor 10 again to be detected by the total flow of a belt electronic scale 13 with aggregate, carries out the foundation of proportion control during as later pitch metering and breeze metering.When beginning to measure, start the ingredients belt 9 of corresponding aggregate bin, the aggregate in this storehouse flows out in the storehouse, adjust bin gate and proportioning belt linear velocity, " volume " flow velocity that guarantees the aggregate stream of outflow meets the requirements, and various aggregates are wandered on the belt conveyer 10 that gathers materials after the volumetric method batching, belt electronic scale 13 in time detects the gross weight flow of several aggregate streams, and the belt conveyer 10 that gathers materials has been delivered to the oven dry tube through the aggregate of continous batching and total flow detection with four kinds.And as the natural sand of fine aggregate, directly install among the natural sand batch hopper 14, because the particle diameter of natural sand is very good, must just can not prepare burden through screening.
Claims (10)
1. the cold aggregate batching treatment method of a continuous bituminous concrete mixing equipment is characterized in that, cold aggregate carried out pre-classification by screening machine earlier before carrying out continuous metering.
2. the cold aggregate batching treatment method of continuous bituminous concrete mixing equipment according to claim 1 is characterized in that, the pre-classification of cold aggregate is to be realized by the screening machine of a multilayer or many single or multiple lifts.
3. the cold aggregate batching treatment method of continuous bituminous concrete mixing equipment according to claim 1 and 2, it is characterized in that, cold aggregate branch specification after pre-screening a plurality of cold aggregate bins of directly packing into, through carrying out continuous metering, deliver to following one baking operation of continuous bituminous concrete mixing equipment more then with the corresponding cold aggregate metering device of specification separately.
4. the cold aggregate batching treatment method of continuous bituminous concrete mixing equipment according to claim 3, it is characterized in that, the continuous metering mode of cold aggregate is, every kind of cold aggregate volumetric method continuous metering, the gross weight flow of cold aggregate carries out the gravimetric method continuous metering with belt conveyer scale, pass through the discharge door aperture and the proportioning belt linear velocity of each aggregate bin of adjustment continuous bituminous concrete mixing equipment aggregate batcher during metering, the volumetric flow rate of the aggregate stream that control is flowed out, reach the batching requirement, various aggregates are wandered on the belt feeder that gathers materials, and are detected the gross weight flow of aggregate stream by the belt conveyer scale of the belt feeder discharge end that gathers materials.
5. the cold aggregate batching treatment method of continuous bituminous concrete mixing equipment according to claim 3, it is characterized in that, the continuous metering mode of cold aggregate is, various cold aggregates carry out the gravimetric method continuous metering with decrement method bunker scale alone, when beginning to measure, open the discharge door of each aggregate bin of continuous bituminous concrete mixing equipment aggregate batcher, every kind of cold aggregate is filled the weigh-hatching plant that is positioned at its below fast from feed bin outflow separately, each weigh-hatching plant is by three or four LOAD CELLSs supports, in time detect the gross weight of hopper, close discharge door, start the ingredients belt below each weigh-hatching plant, aggregate flows out from each weigh-hatching plant, fall on the belt feeder that gathers materials, along with ingredients belt is sent aggregate from weigh-hatching plant, the weight of weigh-hatching plant will reduce gradually, regulate the speed of ingredients belt by robot control system(RCS), the accuracy that assurance batching speed can satisfy the continuous flow of this kind aggregate reaches requirement, when the aggregate of weigh-hatching plant arrives material level, once more the discharge door of aggregate bin is opened to the weigh-hatching plant charging, so gone round and begun again.
6. the cold aggregate batching treatment method of continuous bituminous concrete mixing equipment according to claim 3, it is characterized in that, the continuous metering mode of cold aggregate is, various cold aggregates claim to carry out the gravimetric method continuous metering with belt alone, the ingredients belt of each aggregate bin of continuous bituminous concrete mixing equipment aggregate batcher all disposes a belt conveyer scale, detects the weight of every kind of aggregate stream respectively.
7. the cold aggregate batching device of the continuous bituminous concrete mixing equipment of a method of implementing claim 1, comprise 4 cold aggregate bins (4) and ingredients belt (9) thereof, Weighing device, the belt conveyer that gathers materials (10) and frame (12), it is characterized in that: vibratory sieve (3) and flash groove (11) are arranged in the top of cold aggregate bin (4), between vibratory sieve (3) and cold aggregate bin (4) aggregate bin demarcation strip (6) is arranged, it also comprises cold aggregate elevating hopper (1) and cold aggregate charging belt machine (2).
8. the cold aggregate batching device of continuous bituminous concrete mixing equipment according to claim 7 is characterized in that vibratory sieve (3) is one three and half or four layers a multi-deck screen extension set, or 2 above individual layers or double deck screen extension set.
9. according to the cold aggregate batching device of claim 7 or 8 described continuous bituminous concrete mixing equipments, it is characterized in that the discharge end of its belt conveyer that gathers materials (10) is furnished with belt electronic scale (13).
10. according to the cold aggregate batching device of claim 7 or 8 described continuous bituminous concrete mixing equipments, it is characterized in that between each cold aggregate bin sluice gate (7) and its ingredients belt (9), being equipped with respectively continuous metering bucket scale (5) and LOAD CELLS (8) thereof.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021168296A CN1173813C (en) | 2002-04-10 | 2002-04-10 | Cold aggregate batching treatment method and device for continuous bituminous concrete mixing equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021168296A CN1173813C (en) | 2002-04-10 | 2002-04-10 | Cold aggregate batching treatment method and device for continuous bituminous concrete mixing equipment |
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| Publication Number | Publication Date |
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| CN1371791A true CN1371791A (en) | 2002-10-02 |
| CN1173813C CN1173813C (en) | 2004-11-03 |
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| CNB021168296A Expired - Fee Related CN1173813C (en) | 2002-04-10 | 2002-04-10 | Cold aggregate batching treatment method and device for continuous bituminous concrete mixing equipment |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100411840C (en) * | 2007-03-15 | 2008-08-20 | 南京理工大学 | Asphalt concrete mixing equipment termination product car-loading control system |
| CN100487196C (en) * | 2002-04-09 | 2009-05-13 | 穆罕默德·纳齐尔·根杰尔 | Asphalt concrete aggregate storage and classification mechanism and method thereof |
| CN101549529B (en) * | 2009-05-13 | 2010-10-13 | 河南通和高速公路养护工程有限责任公司 | Mix-in-place train for bituminous pitch cold second birth cement fragmental stone |
| CN102431093A (en) * | 2011-10-19 | 2012-05-02 | 江苏永钢集团有限公司 | Proportioning device |
| CN102730436A (en) * | 2012-07-13 | 2012-10-17 | 山东建设机械股份有限公司 | Finished product bin capable of finishing material receiving with no need of displacement of material receiving car |
| CN1683715B (en) * | 2004-04-14 | 2013-07-17 | 卡尔·根纳·奥尔森 | Method and apparatus for increasing the viscosity of asphalt pavement mixed by intermittent operation device |
| CN103612331A (en) * | 2013-11-25 | 2014-03-05 | 三一汽车制造有限公司 | Wet-mixed mortar mixing station |
| CN103935741A (en) * | 2014-04-11 | 2014-07-23 | 中交机电工程局有限公司 | Controllable discharging device system and discharge control method |
| CN104044205A (en) * | 2014-06-27 | 2014-09-17 | 华北水利水电大学 | Production system and vibration control system for prefabricated concrete plate |
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- 2002-04-10 CN CNB021168296A patent/CN1173813C/en not_active Expired - Fee Related
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| CN100487196C (en) * | 2002-04-09 | 2009-05-13 | 穆罕默德·纳齐尔·根杰尔 | Asphalt concrete aggregate storage and classification mechanism and method thereof |
| CN1683715B (en) * | 2004-04-14 | 2013-07-17 | 卡尔·根纳·奥尔森 | Method and apparatus for increasing the viscosity of asphalt pavement mixed by intermittent operation device |
| CN100411840C (en) * | 2007-03-15 | 2008-08-20 | 南京理工大学 | Asphalt concrete mixing equipment termination product car-loading control system |
| CN101549529B (en) * | 2009-05-13 | 2010-10-13 | 河南通和高速公路养护工程有限责任公司 | Mix-in-place train for bituminous pitch cold second birth cement fragmental stone |
| CN102431093A (en) * | 2011-10-19 | 2012-05-02 | 江苏永钢集团有限公司 | Proportioning device |
| CN102431093B (en) * | 2011-10-19 | 2013-10-23 | 江苏永钢集团有限公司 | Proportioning device |
| CN102730436A (en) * | 2012-07-13 | 2012-10-17 | 山东建设机械股份有限公司 | Finished product bin capable of finishing material receiving with no need of displacement of material receiving car |
| CN103612331B (en) * | 2013-11-25 | 2015-12-09 | 三一汽车制造有限公司 | Wet mixing mortar mixing plant |
| CN103612331A (en) * | 2013-11-25 | 2014-03-05 | 三一汽车制造有限公司 | Wet-mixed mortar mixing station |
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