CN201525084U - Continuous type cement concrete mixing plant with controllable mixing time - Google Patents
Continuous type cement concrete mixing plant with controllable mixing time Download PDFInfo
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- CN201525084U CN201525084U CN2009201947840U CN200920194784U CN201525084U CN 201525084 U CN201525084 U CN 201525084U CN 2009201947840 U CN2009201947840 U CN 2009201947840U CN 200920194784 U CN200920194784 U CN 200920194784U CN 201525084 U CN201525084 U CN 201525084U
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Abstract
The utility model relates to a continuous type cement concrete mixing plate with controllable mixing time, which comprises a mixer, a batching delivery system and a computer control system. A feed inlet is arranged on the novel mixer, an opening adjustable discharge door is arranged at a mixer outlet, a weighing sensor is arranged on a mixer supporting leg, the computer system controls opening degree of the discharge door to realize controllable time according to preset requirements on mixing time and weight of materials in the mixer, the delivery system comprises stone and sand batching machines, cement and powder storage bins, an admixture tank, an adjusting control valve, an admixture metering tank, a flow meter, cement and powder batching machines, a belt conveyor and stone and sand batching belts, and the computer control system controls the batching delivery system to realize automatic batching according to set requirements of batching ratio and simultaneously adjusts feeding speed automatically and delivers the batched materials to an inlet of the mixer uniformly according to a set requirement of mixing time. The continuous type cement concrete mixing plate with controllable mixing time is energy-saving and high efficient and is low in cost, reasonable in design and convenient in use.
Description
Technical field
The utility model is a kind of mixing time controllable type continuous concrete mixing plant, belongs to the renovation technique of continuous concrete mixing plant.
Background technology
China stirs the equipment of producing cement concrete in enormous quantities at present two classes: one, clearance-type Cement Concrete Mixing (building) the 2nd, continous way coagulating cement mixing plant (building), this two classes production equipment all has advantage (gesture) separately, and shortcoming (inferior position) is separately also arranged.Its cement concrete of clearance-type Cement Concrete Mixing can be adjusted control in the scope at 15 seconds～120 seconds in the clean mixing time in a mixing bowl (promptly not containing to adding non-cutting times such as water and discharging in a mixing bowl), be applicable to the cement concrete of producing various labels and type, and ensure the quality of products, but power consumption is big, production efficiency is low, many costs of the tall and big occupation of land of equipment height.And its clean mixing time of continuous concrete mixing plant can not be regulated and control, and is 15 seconds to 20 seconds for the clean mixing time of this kind equipment that has in the market.But power consumption less, production efficiency height, compact equipment cost be low.
The continuous concrete mixing plant is the domestic nearly 30 years just novel concrete concrete batch plants of development, it has changed clearance-type tradition stirring technique pattern, have many advantages that meet modern policy guidance, the hardware of continous way mixing plant is made up of three parts, the one, continous way dispensing material system, the 2nd, continuous mixer, the 3rd, computer control system.Wherein continous way dispensing material system, computer control system are ripe, can not regulate and control again but the mixing time of original continuous mixer is short, the continous way mixing plant scope of application is very limited, the many advantages that meet development trend can not get performance, and obvious key is stuck in the mixing time of mixer and lacks uncontrollable again.
The utility model content
The purpose of this utility model be to consider the problems referred to above and provide a kind of energy-conservation, efficiently, mixing time controllable type continuous concrete mixing plant cheaply.The utility model just is to put into the melting pot old mixer, make its mixing time reach the same level of clearance-type mixer, can adjust control in the scope at 15 seconds to 120 seconds, thereby make the continous way mixing plant expand the scope of application greatly, the many advantages that meet development trend have obtained fully playing.
The technical solution of the utility model is: mixing time controllable type continuous concrete mixing plant of the present utility model, include the building stones proportioning machine, sand material proportioning machine, the cement storage bin, the powder storage bin, the additive case, water pump, adjusting control valve, the additive batch meter, control valve, water pump, flowmeter, water tank, the finished product bucket, mixer, the cement ingredient machine, belt conveyor, the powder proportioning machine, the building stones proportioning belt, sand material proportioning belt, building stones proportioning machine wherein, sand material proportioning machine, the cement storage bin, the powder storage bin is arranged on the top of belt conveyor respectively by the sequencing of lay material, and building stones proportioning machine, sand material proportioning machine is failed successively by building stones proportioning belt and sand material proportioning belt respectively and is expected to belt conveyor, the cement storage bin, the powder storage bin is failed successively by cement ingredient machine and powder proportioning machine respectively and is expected to belt conveyor, the material outlet of belt conveyor is corresponding with the material inlet of mixer, and the material inlet of mixer top also is provided with additive case and water tank, material in the additive case is sent to mixer by water pump, water in the water tank is sent to mixer by suction pump, wherein mixer includes a mixing bowl, be provided with first shaft that is connected with stirring motor in a mixing bowl, first shaft is provided with mixing arm, mixing arm is equipped with the single stirring vane with the parallel consistent and/or not parallel unanimity of working face, the upper front end of a mixing bowl is provided with feeding mouth, a mixing bowl is provided with LOAD CELLS on the pillar of its underpart, exit, its underpart is provided with the rotary type Dump gate.
Above-mentioned rotary type Dump gate and drive it and close with the drive unit of opening and be connected.
The drive unit that above-mentioned driving rotary type Dump gate is closed and opened is a fluid pressure drive device, includes hydraulic cylinder and movable link rod, or is pneumatic actuating device, or is Vidacare corp.
Above-mentioned rotary type Dump gate is provided with 3～7 different apertures that cement concrete can be adjusted from this quantity that draws off, or the aperture of continuous stepless increasing.
Also be provided with second shaft parallel with first shaft but switched in opposite in a mixing bowl of above-mentioned mixer, be equiped with mixing arm respectively on first shaft and second shaft, mixing arm is vertically installed with the single stirring vane with the parallel consistent and/or not parallel unanimity of working face.
Above-mentioned second shaft is connected with stirring motor by transmission mechanism or directly is connected with another stirring motor, and speed of agitator is not more than 40 rev/mins.
Also be provided with adjusting control valve and additive batch meter between above-mentioned additive case and the water pump.
Also be provided with control valve between above-mentioned water tank and the suction pump.
The above-mentioned delivery side of pump that draws water also is provided with flowmeter.
Above-mentioned building stones proportioning machine is continous way building stones proportioning machines, and sand material proportioning machine is a continous way sand material proportioning machine; Above-mentioned cement ingredient machine is a continous way cement ingredient machine, and the powder proportioning machine is a continous way powder proportioning machine.
The utility model compared with prior art has following advantage:
1, clean mixing time can be regulated and control in the scope at 15～120 seconds, was widely used in stirring all types of cement concretes;
2, stirring efficiency; The highest, mixing quality; Best, have stronger extruding and rubbing stirring dynamics in all round process mixer, there is not the stub bar consume;
3, production capacity is big, power consumption is low, production efficiency height, remarkable in economical benefits;
4, the used steel of device fabrication are few, and the steel construction cost is low;
5, occupation area of equipment is few, and equipment handover charge is low.
The utility model is that a kind of design is ingenious, function admirable, convenient and practical mixing time controllable type continuous concrete mixing plant.
Description of drawings
Fig. 1 is the structural representation of the utility model mixing time controllable type continuous concrete mixing plant;
Fig. 2 is the structural representation of the utility model single horizontal shaft type mixing time controllable type continuous concrete mixing plant;
Fig. 3 is the structural representation of the utility model dual horizontal shaft type mixing time controllable type continuous concrete mixing plant;
Fig. 4 is in the structural representation of full closing state in the rotary type Dump gate for the utility model dual horizontal shaft type mixing time controllable type continuous concrete mixing plant;
Fig. 5 is in the structural representation of full open state in the rotary type Dump gate for the utility model dual horizontal shaft type mixing time controllable type continuous concrete mixing plant.
The specific embodiment
Embodiment:
The process structure process of the utility model mixing time controllable type continuous concrete mixing plant has diverse very excellent characteristics than the clearance-type mixing plant:
The structural representation of the utility model mixing time controllable type continuous concrete mixing plant as shown in Figure 1, among the figure 1,2 are respectively single or multiple continous way building stones, sand material proportioning machine, general structure is identical, batching outlet sluice gate and weighing system thereof by hopper and its underpart are formed, once can be with loading machine etc. with the building stones of some tons (as ten tons), the sand material is put into respectively in separately the proportioning machine hopper, and often keep that enough stone is arranged in the hopper, the sand material, the LOAD CELLS that hopper is provided with as calculated the machine automatic control system by predefined each raw material proportioning value, accurately measure each sand with the decrement method, the building stones expense, be respectively equipped with proportioning belt 18 in each hopper bottom, 19, stone, the sand material is by proportioning belt 18,19 continuously uniformly by ratio requirement with certain speed accurately consumption deliver to respectively on the belt conveyor 16 and (also can directly import mixer).Belt conveyor 16 will carry the ground floor building stones of even lay on it, second layer sand material to New agitator 14 feedings.
Among Fig. 13,4 are respectively single or multiple cement and powder (flyash) storage bin, cement and powder are sent into continous way cement automatically from storage bin respectively, powder proportioning machine 17 and 15, both operation principles are consistent with structure, the continous batching machine is by hopper, weighing sensor is formed, its hopper lower part outlet place is provided with the rotation plate washer of driven by motor, cement that plate washer is sent when motor speed increases or powder quantity just increase, otherwise reduce, computer automatic control system is according to predefined raw material ratio requirement, calculate cement in the proportioning machine hopper with the decrement method, the weight change of powder, the self-regulation motor rotating speed, accurate with the quantity delivered that guarantees its cement and powder, evenly, stable.Cement, powder can be by gathering materials spiral or directly raw material is delivered on the conveyer belt 16 that carries two-layer raw material as shown in the figure, and belt conveyor is connected to the inlet of New agitator 14.
At belt conveyor when a mixing bowl feeds intake, water and additive also press the raw material ratio requirement with stable speed to the mixer feed: 5 is the additive case among Fig. 1,6 is that water pump, 8 is the additive batch meter, this batch meter is provided with LOAD CELLS, adopt decrement method metered flow by automatic control system, by predefined ratio requirement, by the flow in water pump 6 and its input mixer of adjusting control valve 7 controls.12 is water tank, and 11 is flowmeter, and automatic control system is according to predefined water requirement, and process suction pump 10 and control valve 9 control and regulation are to the water supply flow of 14 li in mixer.
It is emphasized that the most important breakthrough of the utility model patent is to have adopted New agitator 14, New agitator 14 is being accepted with stable flow velocity (per second flow), equally distributed all raw materials of proportioning accurately, continuous stirs, forming raw material continuously flows through and produces the process of working continuously of cement concrete behind the mixer, the time of feed stream through stopping in a mixing bowl in the mixer is exactly clean mixing time, because the label difference of cement, raw material are different with the proportioning value, when producing cement concrete in mixer the difference of required clean mixing time change greatly, the utility model patent can satisfy this requirement fully, and can adjust control because of product variations changes clean mixing time.This New agitator is that mixing time controllable type, low speed are forced the continuous concrete New agitator, can be single horizontal shaft type, also can be the dual horizontal axle, and its operation principle and structural representation are as each shown in 2,3,4,5.
Fig. 2 is a single horizontal shaft type, and Fig. 3 is a dual horizontal shaft type mixer, and the dual horizontal axle is the combination of 2 single horizontal axis, and principle is consistent with single structure, and dual horizontal shaft type mixer output is bigger, and the stirring dynamics is also strengthened to some extent.Be that example describes with the dual horizontal axle now: 21 is a mixing bowl among Fig. 3, also be provided with parallel in a mixing bowl 21 with shaft 22A, but the shaft of switched in opposite (22B), the vertical respectively mixing arm (23) that the single stirring vane (24) that parallel unanimity of working face or not parallel unanimity are housed is set on shaft (22A) and (22B), the quantity of mixing arm 23 is selected according to cement concrete design output, adjacent mixing arm 23 and on stirring vane 24 circumferentially evenly staggering mutually along shaft 22A, 22B.And the center line of adjacent mixing arm 23 evenly distributes along the axial spacing distance of shaft 22A, 22B, and the rotating speed of shaft 22A, 22B adopts the slow-speed of revolution below 40 seconds/minute, but rubbing between the evidence strength imparting material and stirring and easy break-down not.
For material is promoted forward under stirring vane stirs automatically, the cement concrete that stirs is sent from discharging opening automatically, keep certain included angle between the axial line of the working face of stirring vane 24 and shaft 22A, 22B.
A mixing bowl 21 upper front end are provided with a feeding mouth, are provided with LOAD CELLS 26 on lower posts, and exit, its underpart is provided with rotary type Dump gate 27.As shown in Figure 4, rotary type Dump gate 27 can be made as single fan, two fans or many fans, with two fan rotary type Dump gate is example: its Dump gate 27 can be through hydraulic unit 29, movable link rod 28 drives, respectively rotate same angle synchronously to the left and right, make it closely close and open, there be 3-7 aperture rank available when opening, make its rotary type Dump gate 27 that the aperture of 3-7 different stage be arranged, also can be set as the step-less adjustment aperture, what can have level or stepless adjustment from this quantity that draws off to make cement concrete in a word, and Fig. 4 is the structural representation of full closing state, Fig. 5 is the structural representation of full open state, this Fig. 4, Fig. 5 is that the A of Fig. 3 is to view.
When Dump gate is closed, the raw material volume (weight) of input a mixing bowl must not surpass the maximum stirring raw material volume that allows and limit the quantity of, at any time automatic control system is all strict is controlling the raw material total measurement (volume) (or weight) of importing a mixing bowl and must not surpass this scope of limiting the quantity of, it is above-mentioned that to have mentioned clean mixing time be exactly raw material time of staying in a mixing bowl, after mixer starts, Dump gate should be in off position, this moment, automatic control system began to clock to the moment that a mixing bowl feeds intake at defeated material belt, up to the moment that Dump gate is opened is exactly the time that material stops in mixer, be the clean mixing time of raw material, after Dump gate is opened, cement concrete draws off from Dump gate with certain speed, the aperture of automatic control system rapid adjustment Dump gate to be keeping discharge rate consistent with charging rate, kept stablizing constant thereby make Dump gate open the clean mixing time that moment writes down.
The foundation of the selected aperture size of automatic control system is: open moment in Dump gate, computer automatic control system is write down whole mixer weight by LOAD CELLS 26, and deduct mixer deadweight, note the weight of interior all materials of this moment a mixing bowl, and be pivot weight as regulating intermediary with this weight, aperture size with Dump gate keeps its pivot weight constant, owing to open and to have set the capacity (or weight) that productivity ratio is promptly per hour produced cement concrete before the stirring system work, the continous way stirring system has been determined charging rate with regard to corresponding, automatic control system is with the uniform charging of velocity-stabilization that keeps setting, when pivot weight reduces, illustrate that the Dump gate aperture is excessive, the material that draws off is too many, automatic control system just reduces the aperture of Dump gate, otherwise illustrate that the material that draws off very little, the material that enters in a mixing bowl is long-pending to some extent folded, automatic control system just strengthens the Dump gate aperture, after the trace adjustment, reach dynamic equilibrium rapidly, it is stable that pivot weight can keep, the raw material total amount that therefore just can guarantee to enter a mixing bowl is consistent with the cement concrete total amount that draws off, be charging rate and discharge rate basically identical, and remain on the level that Dump gate is opened moment, therefore time of stopping in a mixing bowl of the material of flow path a mixing bowl just can remain on the clean mixing time that Dump gate is opened moment, and automatic control system has enough sensitivity to keep clean mixing time to stablize.
Clean mixing time desired control accuracy rating broad, evidence the utility model mixing plant clean mixing time that can keep setting is enough to satisfy the work on the spot needs in ± 5% error range after tested.
The factor that influences clean mixing time is more, and the principal element of the clean mixing time of regulation and control has two in production practices, and the relational expression between them is:
T＝Q/η
T=stirs (minute, second) only
Q=is stirred raw material total measurement (volume) (m in a mixing bowl
3) or weight (kilogram)
η=productivity ratio is the raw material total amount (m of (or dividing or second) input a mixing bowl per hour
3, kilogram) or the cement concrete output (m of (or divide or second) output per hour
3, the kilogram).
Its Q and η maximum limit value are also just determined after the utility model patent one model is determined, in use whenever should not surpass its limit value.
Now be 240m with the peak performance
3/ hour mixing time controllable type continous way mixing plant be example, illustrate that it is in the clean mixing time of minimum 15 seconds and 120 seconds the stirring system course of work of maximum net mixing time.
This kind of mixing plant performance data regulation: it is 3m that the raw material volume is stirred in its maximum permission
3, peak performance is per minute 4m
3, starting stirring system needs to set this production stirring output to computer automatic control system before, clean mixing time, and require to produce with great productivity ratio.When setting these parameters, in operating process, whenever should not exceed any data in above-mentioned two performance datas regulation, can only be in above-mentioned performance data scope with interior running, simultaneously should be when setup parameter according to clean mixing time T, productivity ratio η and send into relation character between the raw material capacity that the is stirred Q of a mixing bowl and close and state relational expression promptly:
Now setting this output is 300m
3, clean mixing time is 15 seconds, sets productivity ratio and should be maximum permissible value 4m
3/ minute below, if selected maximum is 4m
3/ minute produce, so for the continous way stirring system, its raw material is sent into a mixing bowl, and must to adopt maximum feed velocity be 4m
3/ minute, start mixing plant after, automatic control system closes Dump gate, make delivery material system by the raw material ratio requirement with per minute 4m
3Speed feed intake to a mixing bowl, and clock in the moment that feeds intake to a mixing bowl, reaching the certain aperture discharging of Dump gate unlatching in the time of 15 seconds of clean mixing time, the raw material that enters a mixing bowl this moment also has been stirred 15 seconds and has reached outlet successively, has formed the cement concrete qualified products.Therefore form the technical process that continuous feed goes out product continuously, under the regulation and control of automatic control system, the aperture of Dump gate always guarantees that the raw material weight (capacity) in a mixing bowl is exactly to open the Dump gate weight of moment, and keep this pivot weight constant, thereby guarantee the discharge rate and charging rate (the per minute 4m of Dump gate with the change of Dump gate aperture
3) consistent, material will be that 15 seconds requirement continuous operation can be finished cement concrete production after 75 minutes 15 seconds by clean mixing time.By the above-mentioned relation formula in process of production the raw material total amount in a mixing bowl 1m is arranged all the time
3Raw material stirring.If set productivity ratio is per minute 3m
3, clean mixing time is 15 seconds, and 0.75m is arranged in a mixing bowl so all the time
3Raw material after stirring 100 minutes 15 seconds, finish cement concrete production.
If adopted the maximum net mixing time 120 seconds: be no more than 3m in order to guarantee the raw material total amount in Dump gate is opened moment input a mixing bowl
3, can select less productivity ratio for use, set productivity ratio 1.5m this moment
3/ be divided into rationally.Also can set productivity ratio is 1m
3/ minute, but this is arranged on clean mixing time and reaches 120 seconds, and Dump gate is opened moment, and 2m is only arranged in a mixing bowl
3Raw material is stirring, obviously not performance fully of this production efficiency.So selected 1m
3/ minute productivity ratio is not preferred plan, use in the operation in reality, the parameter that is provided with to computer automatic control system is (in the preferred plan scope) in the reasonable scope, when the user sets value unreasonable or is not the best, the automatic control system of the utility model mixing plant can be sent warning signal, assists the user correctly to select each parameter for use.Under above-mentioned setting, can finish 300m in 202 minutes 15 seconds
3The cement concrete production task.
As above-mentioned with 1.5m
3/ minute the charging rate continous-stable uniformly to a mixing bowl feeding, when the moment that reaches 120 seconds clean mixings time, the material volume in the cylinder is whole to be reached maximum and allows to be stirred raw material capacity 3m
3, this moment, automatic control system was opened Dump gate, and kept in a mixing bowl 3m being arranged all the time by regulating and control its aperture
3Material, the cement concrete that draws off from Dump gate are all the time according to 120 seconds clean mixings time are arranged.When the stirring task was finished, the apolegamy system quit work, and a mixing bowl inlet stops feed, and clout is also stirring in a mixing bowl, and Dump gate is still in discharging, and the raw material weight in a mixing bowl descends.Dump gate should turn down aperture automatically even can close this moment, finished for the material tail is stirred smoothly, and automatic control system stops moment of charging at a mixing bowl, keeps Dump gate to have certain aperture unlikely to the closed position automatically, during whole end-of-job it was closed.
What be worth emphasizing is that production method that clean mixing time is controlled in the adjustment of the utility model patent has also overcome in the past the nonadjustable continuous mixer of clean mixing time when the continuous stirring cement concrete, stub bar appears, shortcoming off quality, old continuous mixer is when starting stirring work, discharging opening is opened all the time, discharging opening is without any control and adjustment automatically, when beginning to start stirring work, raw material just can fill up a mixing bowl after having one section space to need charging a period of time in a mixing bowl, so when beginning to stir, do not form extruding and rubbing in a mixing bowl between each raw material, stub bar does not also stir fully and just is pushed out, thereby it is off quality to form stub bar, new mixer is after startup work, Dump gate is closed, just open reaching predefined clean mixing time, and be to keep the total amount of the interior raw material of this moment a mixing bowl not change, its Dump gate is constantly changing aperture, keep charging rate consistent with discharge rate, can not form between each raw material very sparse and do not form the extruding and the rubbing phenomenon, thereby guaranteed all raw material mixing qualities.
Original continuous concrete mixing plant over nearly 30 years the scope of application be restricted, many advantages of policy guidance that meet now can not get performance, root problem is in that to do its clean mixing time little and non-adjustable, the utility model prolongs the clean mixing time of continuous concrete mixing plant and is adjustable, reaches the on all four level of gap mixing plant now.The various advantages of continous way mixing plant are fully played.This is the important breakthrough of cement concrete production Technology, it is the great achievement of cement concrete production equipment development and production industry, the birth of mixing time controllable type continuous concrete mixing plant (building) and promoting the use of, the looks of China's cement concrete production industry will thoroughly be changed, create the cement concrete low energy consumption in the world, efficiently, the ground zero of low-cost production, the new situation.
Claims (10)
1. mixing time controllable type continuous concrete mixing plant, include building stones proportioning machine (1), sand material proportioning machine (2), cement storage bin (3), powder storage bin (4), additive case (5), water pump (6), adjusting control valve (7), additive batch meter (8), control valve (9), water pump (10), flowmeter (11), water tank (12), finished product bucket (13), mixer (14), cement ingredient machine (17), belt conveyor (16), powder proportioning machine (15), building stones proportioning belt (19), sand material proportioning belt (18), building stones proportioning machine (1) wherein, sand material proportioning machine (2), cement storage bin (3), powder storage bin (4) is arranged on the top of belt conveyor (16) respectively by the sequencing of lay material, and building stones proportioning machine (1), sand material proportioning machine (2) is failed successively by building stones proportioning belt (19) and sand material proportioning belt (18) respectively and is expected to belt conveyor (16), cement storage bin (3), powder storage bin (4) is failed successively by cement ingredient machine (17) and powder proportioning machine (15) respectively and is expected to belt conveyor (16), the material outlet of belt conveyor (16) is corresponding with the material inlet of mixer (14), and the material inlet of mixer (14) top also is provided with additive case (5) and water tank (12), material in the additive case (5) is sent to mixer (14) by water pump (6), water in the water tank (12) is sent to mixer (14) by suction pump (10), it is characterized in that mixer (14) includes a mixing bowl (21), be provided with first shaft (22A) that is connected with stirring motor (30) in a mixing bowl (21), first shaft (22A) is provided with mixing arm (23), mixing arm (23) is equipped with the single stirring vane (24) with the parallel consistent and/or not parallel unanimity of working face, the upper front end of a mixing bowl (21) is provided with feeding mouth, a mixing bowl (21) is provided with LOAD CELLS (26) on the pillar of its underpart, exit, its underpart is provided with rotary type Dump gate (27).
2. mixing time controllable type continuous concrete mixing plant according to claim 1 is characterized in that above-mentioned rotary type Dump gate (27) and drives it closing with the drive unit of opening and being connected.
3. mixing time controllable type continuous concrete mixing plant according to claim 2, it is characterized in that the drive unit that above-mentioned driving rotary type Dump gate (27) is closed and opened is a fluid pressure drive device, include hydraulic cylinder (29) and movable link rod (28), or be pneumatic actuating device, or be Vidacare corp.
4. mixing time controllable type continuous concrete mixing plant according to claim 3, it is characterized in that above-mentioned rotary type Dump gate (27) is provided with 3～7 different apertures that cement concrete can be adjusted from this quantity that draws off, or the aperture of continuous stepless increasing.
5. mixing time controllable type continuous concrete mixing plant according to claim 4, it is characterized in that also being provided with second shaft (22B) parallel with first shaft (22A) but switched in opposite in a mixing bowl (21) of above-mentioned mixer (14), be equiped with mixing arm (23) respectively on first shaft (22A) and second shaft (22B), mixing arm (23) is vertically installed with the single stirring vane (24) with the parallel consistent and/or not parallel unanimity of working face.
6. mixing time controllable type continuous concrete mixing plant according to claim 5, it is characterized in that above-mentioned second shaft (22B) is connected with stirring motor (30) or directly is connected with another stirring motor by transmission mechanism, speed of agitator is not more than 40 rev/mins.
7. according to each described mixing time controllable type continuous concrete mixing plant of claim 1 to 6, it is characterized in that also being provided with between above-mentioned additive case (5) and the water pump (6) adjusting control valve (7) and additive batch meter (8).
8. mixing time controllable type continuous concrete mixing plant according to claim 7 is characterized in that also being provided with control valve (9) between above-mentioned water tank (12) and the suction pump (10).
9. mixing time controllable type continuous concrete mixing plant according to claim 8 is characterized in that the outlet of above-mentioned suction pump (10) also is provided with flowmeter (11).
10. mixing time controllable type continuous concrete mixing plant according to claim 9 is characterized in that above-mentioned building stones proportioning machine (1) is a continous way building stones proportioning machine, and sand material proportioning machine (2) is a continous way sand material proportioning machine; Above-mentioned cement ingredient machine (17) is a continous way cement ingredient machine, and powder proportioning machine (15) is a continous way powder proportioning machine.
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|---|---|---|---|---|
| CN102008919A (en) * | 2010-10-11 | 2011-04-13 | 章志华 | Composite material automatic stirring system |
| CN102615711A (en) * | 2012-03-31 | 2012-08-01 | 三一重工股份有限公司 | Powder material metering and conveying device of mixing plant and control method of powder material metering and conveying device |
| CN102909790A (en) * | 2012-09-28 | 2013-02-06 | 山推楚天工程机械有限公司 | Novel powder feeding method for mixing plant/station |
| CN102909790B (en) * | 2012-09-28 | 2014-08-20 | 山推楚天工程机械有限公司 | Novel powder feeding method for mixing plant/station |
| CN103448145A (en) * | 2012-11-12 | 2013-12-18 | 飞翼股份有限公司 | Continuous-stirring feeding method and device thereof |
| CN103448145B (en) * | 2012-11-12 | 2016-02-17 | 飞翼股份有限公司 | A kind of stirring method of feeding and device thereof continuously |
| CN103707418A (en) * | 2013-12-14 | 2014-04-09 | 郑州市长城机器制造有限公司 | Powder loading transition bin |
| CN105947706A (en) * | 2016-06-01 | 2016-09-21 | 合肥雄鹰自动化工程科技有限公司 | BB fertilizer batching system |
| CN106626075A (en) * | 2016-11-04 | 2017-05-10 | 重庆华耀混凝土有限公司 | Control device,capable of controlling temperature, for concrete manufacturing system |
| CN107498706A (en) * | 2017-08-30 | 2017-12-22 | 王荣忠 | A kind of concrete mixing plant |
| CN108312333A (en) * | 2018-02-11 | 2018-07-24 | 重庆富皇建材有限公司 | A kind of baiting method of ready-mixed concrete |
| CN108407097A (en) * | 2018-05-11 | 2018-08-17 | 郑涛涛 | A kind of Full automatic feed and dynamic stock control system and method |
| CN109407580A (en) * | 2018-10-22 | 2019-03-01 | 中联重科股份有限公司 | Aggregate feeds intake control system and mixing plant and control method |
| CN109407580B (en) * | 2018-10-22 | 2020-07-31 | 中联重科股份有限公司 | Aggregate feeding control system, stirring station and control method |
| CN110000925A (en) * | 2019-05-09 | 2019-07-12 | 青岛黄海学院 | A kind of build concrete fining mixing plant |
| CN114425820A (en) * | 2021-12-29 | 2022-05-03 | 贵州互惠混凝土机械服务有限公司 | Work efficient level four concrete mixing plant |
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