CN104441251B - A kind of valve control feed proportioning system, mixing plant and valve control distribution - Google Patents

A kind of valve control feed proportioning system, mixing plant and valve control distribution Download PDF

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Publication number
CN104441251B
CN104441251B CN201410667931.7A CN201410667931A CN104441251B CN 104441251 B CN104441251 B CN 104441251B CN 201410667931 A CN201410667931 A CN 201410667931A CN 104441251 B CN104441251 B CN 104441251B
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China
Prior art keywords
valve control
dispensing
thick
pipeline
dispensing pipeline
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CN104441251A (en
Inventor
李丹丹
徐飞
张贺
周小三
马近晗
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Xuzhou XCMG Schwing Machinery Co Ltd
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Xuzhou XCMG Schwing Machinery Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/04Supplying or proportioning the ingredients
    • B28C7/12Supplying or proportioning liquid ingredients

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Accessories For Mixers (AREA)
  • Multiple-Way Valves (AREA)

Abstract

The present invention relates to a kind of valve control feed proportioning system, mixing plant and valve control distribution, wherein valve control feed proportioning system includes charging aperture, thick dispensing pipeline, smart dispensing pipeline and discharging opening, thick dispensing pipeline and smart dispensing pipeline are in parallel, it is provided with slightly to match somebody with somebody on thick dispensing pipeline and essence is provided with butterfly valve, smart dispensing pipeline with angle pedestal valve.Mixing plant includes the valve control feed proportioning system.Valve control distribution includes:Thick dispensing is carried out first with thick dispensing pipeline, then accurate dosing is carried out using smart dispensing pipeline, wherein thick dispensing pipeline and smart dispensing pipeline are in parallel, and blending process realizes the switching between thick dispensing and accurate dosing by being arranged on thick on thick dispensing pipeline with butterfly valve and the essence being arranged on smart dispensing pipeline with angle pedestal valve.The present invention on the basis of the thick dispensing of existing big flow by increasing the flow of accurate dosing so that the proportioning accuracy of valve control feed proportioning system is higher.

Description

A kind of valve control feed proportioning system, mixing plant and valve control distribution
Technical field
The present invention relates to technical field of engineering machinery, more particularly to a kind of valve control feed proportioning system, mixing plant and valve control dispensing Method.
Background technology
Water and additive are the essential two kind liquid that can be used in mixing plant, if mixing plant is in the process of dispensing In there is deviation, especially additive configuration there is deviation, very big influence can be caused to the quality of concrete, if do not had The mass change of the concrete is found in time, and serious consequence can be brought to engineering.
Mixing plant in the market typically carries out the thick dispensing of big flow using dosing pump by dispensing pipeline, works as dosing pump During work, burden process is opened, and when dosing pump is stopped, burden process terminates, the proportioning accuracy of this distribution compared with Difference.The discharging opening of existing mixing plant typically uses horn mouth formula structure, and liquid vertical drop can produce impact to metering bucket body, Cause metering inaccurate.
The content of the invention
The purpose of the present invention is to propose to a kind of valve control feed proportioning system, mixing plant and valve control distribution, solve as possible existing The problem of proportioning accuracy is not high in technology.
To achieve the above object, the invention provides a kind of valve control feed proportioning system, including thick dispensing pipeline (2) and smart dispensing Pipeline (3), wherein being provided with charging aperture (1) and discharging opening (4) on the thick dispensing pipeline (2), the smart dispensing pipeline (3) is simultaneously It is associated on the thick dispensing pipeline (2), the part that the smart dispensing pipeline (3) is parallel with the thick dispensing pipeline (2) is set Have slightly to match somebody with somebody and essence is provided with butterfly valve (5), the smart dispensing pipeline (3) with angle pedestal valve (6).
Further, manual ball valve (7) is additionally provided with the smart dispensing pipeline (3), the manual ball valve (7) can Adjust the flow of the smart dispensing pipeline (3).
Further, the valve control feed proportioning system is additionally provided with flushing line (8), the flushing line (8) with it is described enter Material mouth (1) is connected, and flushing angle pedestal valve (9) is provided with the flushing line (8).
Further, the valve control feed proportioning system is additionally provided with buffer unit (10), and the buffer unit (10) is arranged on Discharging opening (4) place, the buffer unit (10) can enter row buffering to the material at the discharging opening (4) place.
Further, the end of buffer unit (10) connecting line is provided with inclined opening structure (11), in the angle The centre position of structure (11) is provided with striker plate (12).
Further, the side wall of the buffer unit (10) is provided with overfall (13) close to the position on top.
Further, two pieces are provided with below the buffer unit (10) and is oriented to bending plate (14), two pieces of guiding Bending plate (14) docking forms triangular structure.
To achieve the above object, present invention also offers a kind of mixing plant, including above-mentioned valve control feed proportioning system.
To achieve the above object, present invention also offers a kind of valve control distribution based on above-mentioned mixing plant, including:It is first Thick dispensing is carried out first with thick dispensing pipeline, then accurate dosing is carried out using smart dispensing pipeline, wherein the thick dispensing pipeline In parallel with the smart dispensing pipeline, the distribution is by being arranged on slightly matching somebody with somebody butterfly valve and being arranged on the thick dispensing pipeline Essence on the smart dispensing pipeline realizes the switching between the thick dispensing and the accurate dosing with angle pedestal valve.
Further, the valve control distribution is also adjusted using manual ball valve to the flow of smart dispensing pipeline Section.
Further, the valve control distribution is also controlled using dispensing instrument and controller to blending process.
Further, the valve control distribution also includes being rinsed using flushing line after the mixing plant is shut down.
Based on above-mentioned technical proposal, valve control feed proportioning system of the invention on the basis of the thick dispensing of existing big flow by increasing Plus the flow of accurate dosing, while thick with butterfly valve and the essence being arranged on smart dispensing pipeline on thick dispensing pipeline using being arranged on With angle pedestal valve, thick blending process and smart blending process are switched over so that the proportioning accuracy of valve control feed proportioning system is higher.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair Bright schematic description and description is used to explain the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of valve control feed proportioning system one embodiment of the present invention.
Fig. 2 is Fig. 1 left view schematic diagram.
In figure:1- charging apertures, the thick dispensing pipelines of 2-, 3- essence dispensing pipelines, 4- discharging openings, 5- slightly matches somebody with somebody butterfly valve, 6- essence supporting roles Seat valve, 7- manual ball valves, 8- flushing lines, 9- rinses angle pedestal valve, 10- buffer units, 11- inclined opening structures, 12- striker plates, 13- Overfall, 14- is oriented to bending plate.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in embodiment is clearly and completely retouched State.Obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on this hair Bright embodiment, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made Example, belongs to the scope of protection of the invention.
In the description of the invention, it is to be understood that term " " center ", " transverse direction ", " longitudinal direction ", "front", "rear", The orientation or position relationship of the instruction such as "left", "right", " on ", " under ", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicate or dark Specific orientation must be had, with specific azimuth configuration and operation by showing the device or element of meaning, therefore it is not intended that right The limitation of the scope of the present invention.
The present invention is in order to solve concrete mixing plant liquid dispensing precision problem, it is proposed that a kind of valve control feed proportioning system, such as Shown in Fig. 1, the valve control feed proportioning system includes thick dispensing pipeline 2 and smart dispensing pipeline 3, wherein being set on the thick dispensing pipeline 2 There are charging aperture 1 and discharging opening 4, the smart dispensing pipeline 3 is connected in parallel on the thick dispensing pipeline 2, on the thick dispensing pipeline 2 simultaneously The part for being associated with the smart dispensing pipeline 3 is provided with and slightly matches somebody with somebody butterfly valve 5, and essence is provided with the smart dispensing pipeline 3 and matches somebody with somebody angle pedestal valve 6.
By increasing smart dispensing pipeline in existing feed proportioning system, accurate dosing is increased after the thick blending process of big flow Flow, can improve proportioning accuracy, meet different dispensing requirements.
The valve control feed proportioning system of the present invention is not it is further an advantage that thick dispensing flow and smart dispensing flow are interfere with each other, slightly Dispensing pipeline and smart dispensing pipeline are in parallel, by controlling the thick with butterfly valve and control essence batching pipe of thick dispensing pipeline opening and closing The essence that road is opened and closed matches somebody with somebody angle pedestal valve, and the system can not only realize the switching of thick dispensing and accurate dosing, can also realize The function that different types of material is added by different pipelines.
Smart dispensing pipeline in the valve control feed proportioning system needs in the short time frequent starting and closed down, in order to adapt to this work Condition, one embodiment of the invention matches somebody with somebody angle pedestal valve using essence, and angle pedestal valve has the features such as being quick on the draw, act accurate, coordinates electromagnetism Valve is used, and can control the flow of liquid exactly with pneumatic control, it is ensured that the accuracy of dispensing, and angle pedestal valve fault rate It is low, long lifespan, it is ensured that the reliability of valve control feed proportioning system.
In one embodiment, manual ball valve 7, the manual ball valve 7 are also provided with the smart dispensing pipeline 3 The flow of the smart dispensing pipeline 3 can be adjusted.
The manual ball valve can adjust the flow of smart dispensing pipeline in real time as needed, further improve proportioning accuracy.When So manual ball valve can also be set on thick dispensing pipeline as needed, the flow of blending process is manually controlled.
Preferably, the valve control feed proportioning system is also provided with flushing line 8, the flushing line 8 and the charging Mouth 1 is connected, and flushing angle pedestal valve 9 is provided with the flushing line 8.
While dispensing, the valve control feed proportioning system can also complete to rinse process, can be controlled by rinsing angle pedestal valve The opening and closing of flushing line.
In another embodiment, the valve control feed proportioning system is also provided with buffer unit 10, the buffer unit 10 are arranged at the discharging opening 4, and the buffer unit 10 can enter row buffering to the material at the discharging opening 4.
The structure of horn mouth formula being used discharge outlet in the prior art, this structure causes the liquid flowed out from discharging opening more Very big impact is caused to the metering device for being arranged on discharge outlet, the precision of metering is influenceed.Buffer unit energy in the present invention The enough liquid to discharge outlet enters row buffering, reduces the impulsive force to metering device, improves measuring accuracy.
Preferably, the end of the connecting line of buffer unit 10 is provided with inclined opening structure 11, in the inclined opening structure 11 Centre position be provided with striker plate 12.
The structure of buffer unit has many kinds, as long as can realize that it is acted on.Such as, buffer unit can include slow Punching bucket, the pipeline with inclined opening structure so that liquid, which goes out pipeline rear portion, can rush at buffering bucket side wall, another part can edge Striker plate rushes at top, and the process can form a certain degree of buffering to liquid, and this is buffered for the first order.
Preferably, close to the position on top it is also provided with overfall 13 in the side wall of the buffer unit 10.For That a part of liquid of buffering bucket is rushed at, can be spilt out by overfall, the overfall can ensure in buffering bucket will not be because Liquid increases and produces pressure again, and the setting of overfall constitutes the buffering of the second level to liquid.
Preferably, the lower section of the buffer unit 10 is also provided with two pieces of guiding bending plates 14, two pieces of guiding The docking of bending plate 14 forms triangular structure.As shown in Fig. 2 liquid is fallen under gravity on bending plate, led due to two pieces Dock to form triangle to bending plate, therefore liquid will not vertically fall, but be changed to disperse to periphery, constitute the 3rd Level buffering.
Above-mentioned three-level buffering can be used separately, that is to say, that only used and also may be used between first-level buffer therein, certain three In any combination, its operation principle is illustrated in case of the comprehensive use of three-level buffering below:
High-speed liquid is in the end of dispensing pipeline, because pipeline is cut open an angle, is set in the centre position of angle There is one piece of striker plate, liquid is after dispensing pipeline comes out, and a part can rush at buffering bucket side wall, and another part can be rushed along striker plate To top, this is first-level buffer;Buffering bucket moment is filled, and the position on top is provided with overfall in buffering bucket side wall, The overfall can ensure will not be because liquid increases and produces pressure again in buffering bucket, and this is level 2 buffering;Below buffering bucket Two pieces of guiding bending plates are additionally provided with, liquid is fallen under gravity on bending plate, due to two pieces of guiding bending plate docking shapes Triangularity, therefore liquid will not vertically fall, but be changed to disperse to periphery, this is three-level buffering.The buffering is filled The three-level buffer protection put can farthest reduce impulsive force of the material to the scale body of discharge outlet, the interference to metering Small, metering is more stablized, and measuring accuracy is higher.
To achieve the above object, present invention also offers a kind of mixing plant, including above-mentioned valve control feed proportioning system.
To achieve the above object, present invention also offers a kind of valve control distribution, including:First with thick dispensing pipeline Thick dispensing is carried out, then accurate dosing is carried out using smart dispensing pipeline, wherein the thick dispensing pipeline and the smart dispensing pipeline Parallel connection, the distribution is by being arranged on slightly matching somebody with somebody butterfly valve and being arranged on the smart dispensing pipeline on the thick dispensing pipeline Essence realize the switching between the thick dispensing and the accurate dosing with angle pedestal valve.
In above-mentioned valve control distribution, in most cases, thick blending process is first carried out, then carry out smart dispensing mistake Journey, it is possible to complete whole blending process.But also occur sometimes and first carry out smart dispensing, thick dispensing is then carried out again, or Thick dispensing and smart dispensing alternately, as long as can finally realize dispensing requirements.
In one embodiment, the valve control distribution is also entered using manual ball valve to the flow of smart dispensing pipeline Row regulation.
Preferably, the valve control distribution is also controlled using dispensing instrument and controller to blending process.Match somebody with somebody Expect that instrument can be for detecting the weight of total dispensing in thick blending process, when the weight of total dispensing reaches default desired value (such as Weight needed for reaching 90%) when, when the weight that controller receives total dispensing reaches the signal of default desired value, to slightly matching somebody with somebody Butterfly valve and essence send instruction with angle pedestal valve, make slightly to match somebody with somebody butterfly valve closing, essence is opened with angle pedestal valve, and valve control feed proportioning system proceeds by essence Blending process.
In addition, the valve control distribution can also include being rinsed using flushing line after the mixing plant is shut down. After blending process is finished, controller to slightly with butterfly valve, essence is with angle pedestal valve and rinses angle pedestal valve and sends instruction, make slightly to match somebody with somebody butterfly valve with Essence is closed with angle pedestal valve, is rinsed angle pedestal valve and is opened, valve control feed proportioning system proceeds by flushing process.
As shown in figure 1, be the structural representation of valve control feed proportioning system one embodiment of the present invention, including the valve control dispensing system The operation principle of the mixing plant of system is:
When mixing plant is started working, liquid feeding pump with butterfly valve with slightly being opened simultaneously, and remaining valve is turned off, and is now carried out big The thick dispensing of flow, when the registration of dispensing instrument reaches desired value (desired value refers to the formula value that concrete mixing plant system is set) During preset ratio (such as 90%), slightly closed with butterfly valve, essence is opened with angle pedestal valve, caliber diminishes, and liquid dispensing flow diminishes, but Outlet caliber is constant, so pressure diminishes, the impact that hydraulic pressure is brought also diminishes.Now small-flow precise dispensing and control system are carried (lead refers to that the liquid level for having matched somebody with somebody material to liquid meter scale from dispensing tube outlet also has a segment distance, and this section aerial for preceding amount Material, referred to as lead) cooperate, while coordinating the buffer unit of discharging opening end, make dispensing more accurate, measure more steady It is fixed.Manual ball valve is additionally provided with essence dispensing pipeline in addition, the size that essence matches somebody with somebody flow can be adjusted according to the weight of required liquid.
When mixing plant, which is shut down, carries out matting, feeding water pump and flushing angle pedestal valve are opened simultaneously, and remaining valve is closed, this When tubule road is changed into from extra heavy pipe road, although flow diminishes, but can provide enough pressure to the flushing of main frame and platform, makes Rinse more clean, thorough.
, can be with by the explanation of multiple embodiments to valve control feed proportioning system of the present invention, mixing plant and valve control distribution Seeing the embodiment of valve control feed proportioning system of the present invention, mixing plant and valve control distribution at least has one or more of excellent Point:
1st, valve-regulated variable-flow dispensing structure, relative to existing not variable-flow, big flow dispensing formula structure, this hair always Bright feed proportioning system action response is fast, proportioning accuracy is higher, better reliability.
2nd, buffer unit can realize three-level protecting against shock pooling feature, relative to former horn mouth formula structure, make material Impact to scale body is smaller, and the interference to metering is smaller, and metering is more stablized, and farthest ensures measuring accuracy.
Finally it should be noted that:The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof;To the greatest extent The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that:Still The embodiment of the present invention can be modified or equivalent substitution is carried out to some technical characteristics;Without departing from this hair The spirit of bright technical scheme, it all should cover among claimed technical scheme scope of the invention.

Claims (8)

1. a kind of valve control feed proportioning system, it is characterised in that including thick dispensing pipeline (2) and smart dispensing pipeline (3), the thick dispensing The caliber of pipeline (2) is bigger than the caliber of the smart dispensing pipeline (3), wherein being provided with charging aperture on the thick dispensing pipeline (2) (1) and discharging opening (4), the smart dispensing pipeline (3) is connected in parallel on the thick dispensing pipeline (2), on the thick dispensing pipeline (2) The part for being parallel with the smart dispensing pipeline (3) is provided with and slightly matches somebody with somebody butterfly valve (5), and being provided with essence on the smart dispensing pipeline (3) matches somebody with somebody Angle pedestal valve (6);
The valve control feed proportioning system is additionally provided with buffer unit (10), and the buffer unit (10) is arranged on the discharging opening (4) Place, the buffer unit (10) can enter row buffering to the material at the discharging opening (4) place;
The end of buffer unit (10) connecting line is provided with inclined opening structure (11), the centre in the inclined opening structure (11) Position is provided with striker plate (12);
The side wall of the buffer unit (10) is provided with overfall (13) close to the position on top;
Two pieces are provided with below the buffer unit (10) and is oriented to bending plate (14), described two pieces are oriented to bending plate (14) docking Form triangular structure.
2. valve control feed proportioning system according to claim 1, it is characterised in that also set up on the smart dispensing pipeline (3) There is manual ball valve (7), the manual ball valve (7) can adjust the flow of the smart dispensing pipeline (3).
3. valve control feed proportioning system according to claim 1, it is characterised in that the valve control feed proportioning system is additionally provided with flushing Pipeline (8), the flushing line (8) is connected with the charging aperture (1), and flushing angle pedestal valve is provided with the flushing line (8) (9)。
4. a kind of mixing plant, including the valve control feed proportioning system as described in claim any one of 1-3.
5. a kind of valve control distribution based on mixing plant as claimed in claim 4, it is characterised in that including:First with thick Dispensing pipeline carries out thick dispensing, then accurate dosing is carried out using smart dispensing pipeline, wherein the thick dispensing pipeline and the essence Dispensing pipeline is in parallel, and the distribution is matched somebody with somebody by being arranged on slightly matching somebody with somebody butterfly valve and being arranged on the essence on the thick dispensing pipeline Essence on expects pipe road realizes the switching between the thick dispensing and the accurate dosing with angle pedestal valve.
6. valve control distribution according to claim 5, it is characterised in that the valve control distribution is also using hand The flow of smart dispensing pipeline is adjusted dynamic ball valve.
7. valve control distribution according to claim 5, it is characterised in that the valve control distribution also using with Material instrument and controller are controlled to blending process.
8. valve control distribution according to claim 5, it is characterised in that the valve control distribution also includes described stir Mix after station is shut down and be rinsed using flushing line.
CN201410667931.7A 2014-11-20 2014-11-20 A kind of valve control feed proportioning system, mixing plant and valve control distribution Active CN104441251B (en)

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CN104880240A (en) * 2015-06-26 2015-09-02 无锡市江达商品混凝土有限公司 Additive precise-preparation device
CN106738354A (en) * 2016-12-16 2017-05-31 三汽车制造有限公司 Liquid material essence weighing device, liquid-supplying system and concrete mixing plant
CN109519585B (en) * 2018-10-26 2020-12-29 武汉智能装备工业技术研究院有限公司 Valve opener and valve opening method
CN109910153A (en) * 2019-04-02 2019-06-21 哈尔滨创博智能装备有限公司 A kind of cast warge product automatic grouting mechanism

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US6361199B1 (en) * 2000-03-29 2002-03-26 Maxxon Corporation Cement mixing apparatus and method
CN100999110A (en) * 2006-12-31 2007-07-18 三一重工股份有限公司 Device and method for metering additive of mortar for high speed railway (high way)
CN202742529U (en) * 2012-08-01 2013-02-20 洛阳佳一机电设备有限公司 Liquid additive buffer control mechanism for concrete stirring station or building
CN102848474B (en) * 2012-09-04 2014-08-20 徐州徐工施维英机械有限公司 Additive metering hopper quantitative water flushing apparatus for concrete stirring station
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