CN105690568A - Automatic proportioning system of concrete mixing station - Google Patents

Automatic proportioning system of concrete mixing station Download PDF

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Publication number
CN105690568A
CN105690568A CN201610136895.0A CN201610136895A CN105690568A CN 105690568 A CN105690568 A CN 105690568A CN 201610136895 A CN201610136895 A CN 201610136895A CN 105690568 A CN105690568 A CN 105690568A
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CN
China
Prior art keywords
silo
raw
belt conveyer
concrete mixing
conveying
Prior art date
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Granted
Application number
CN201610136895.0A
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Chinese (zh)
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CN105690568B (en
Inventor
叶伟然
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaanxi Hengsheng Concrete Co., Ltd.
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Huzhou Zhong Chen Construction Co Ltd
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Priority to CN201610136895.0A priority Critical patent/CN105690568B/en
Publication of CN105690568A publication Critical patent/CN105690568A/en
Application granted granted Critical
Publication of CN105690568B publication Critical patent/CN105690568B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B28C5/10Mixing in containers not actuated to effect the mixing
    • B28C5/12Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
    • B28C5/14Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a horizontal or substantially horizontal axis
    • 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
    • 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
    • B28C7/0404Proportioning
    • B28C7/0418Proportioning control systems therefor
    • 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
    • B28C7/0422Weighing predetermined amounts of ingredients, e.g. for consecutive delivery
    • B28C7/0431Weighing predetermined amounts of ingredients, e.g. for consecutive delivery using a weighing belt or the like
    • 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
    • B28C7/0454Volumetric measuring devices, e.g. for consecutively delivering predetermined volumes of ingredients
    • B28C7/0472Volumetric measuring devices, e.g. for consecutively delivering predetermined volumes of ingredients for continuous feeding, e.g. by controlling the velocity of a transporting belt or the thickness of the ingredients on the belt or by regulating the outlet of a hopper
    • 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
    • B28C7/06Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
    • B28C7/068Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors having means to elevate or hoist a charging-bin or container
    • 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
    • B28C7/06Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
    • B28C7/10Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors by means of rotary members, e.g. inclinable screws
    • 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
    • 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
    • B28C7/16Discharge means, e.g. with intermediate storage of fresh concrete
    • B28C7/162Discharge means, e.g. with intermediate storage of fresh concrete by means of conveyors, other than those comprising skips or containers, e.g. endless belts, screws, air under pressure
    • B28C7/167Discharge means, e.g. with intermediate storage of fresh concrete by means of conveyors, other than those comprising skips or containers, e.g. endless belts, screws, air under pressure by means of a screw conveyor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C9/00General arrangement or layout of plant
    • B28C9/02General arrangement or layout of plant for producing mixtures of clay or cement with other materials

Abstract

The invention discloses an automatic proportioning system of a concrete mixing station. The automatic proportioning system comprises a raw material storage system, a raw material weighing system, a mixer system, a raw material conveying system and a control system, wherein the raw material storage system comprises three silos which are arranged side by side; the raw material conveying system is composed of a belt conveyor and a bucket elevator; and the raw material weighing system comprises three belt weighers which are positioned above the belt conveyor, and are positioned below the openings of the silos. The automatic proportioning system can meet a large-scale concrete manufacturing process, can be used for precisely weighing and conveying various raw materials, and further can realize precise control and efficient management on a concrete proportioning process while the product quality is guaranteed, so that the problems such as a complex and out-of-order procedure in a convention producing and proportioning process, confused record management in a proportioning process, severe proportioning resource waste and the like are obviously avoided.

Description

A kind of automatic batching system of concrete mixing plant
Technical field:
The present invention relates to technical field of concrete production, be specifically related to the automatic batching system of a kind of concrete mixing plant。
Background technology:
Concrete mixing plant is used to the concrete combined unit of concentrated compactness, also known as concrete prefabricated field。Owing to its mechanization, automaticity are higher, so productivity ratio is also significantly high, and can guarantee that concrete quality and save cement, being usually used in the engineerings such as concrete works amount is big, long in time limit, building site is concentrated large and medium-sized water conservancy, electric power, bridge。Along with the development of urban construction, adopt concentrated compactness, provide the concrete mixing plant tool of commodity to have an enormous advantage, thus developed rapidly, and for promoting Concrete Pumping Construction, it is achieved stir, carry, build machinery integration of operation and create conditions。
At present, in concrete production industry, the production process of major part medium-sized and small enterprises relies on artificial means to carry out dispensing and dispensing management, and dispensing personnel manually calculate each raw material weight according to charger sheet, select suitable container and weighing-appliance to carry out dispensing。Such dispensing pattern exists that product quality is uneven, precision controlling difficulty is big, work efficiency is low, production routine loaded down with trivial details unordered, blending process record management chaotic and the problem such as dispensing serious waste of resources。
Summary of the invention:
The purpose of the present invention is aiming at the deficiency of prior art, and the automatic batching system of a kind of concrete mixing plant is provided, this automatic batching system disclosure satisfy that large-scale concrete for making process, carry out multiple raw material accurately weighing and conveying, while guaranteeing product quality, accurately controlling and high-efficiency management of concrete batching process can also be realized, it will be apparent that avoid the problems such as loaded down with trivial details unordered, the blending process record management confusion of traditional mode of production blending process program and dispensing serious waste of resources。
The technology solution of the present invention is as follows:
A kind of automatic batching system of concrete mixing plant, including raw material storage system, raw material Weighing system, mixer system, raw material induction system and control system, raw material storage system includes three silos being arranged side by side, in three silos, storage has sandstone respectively, powder and cement, the upper inside wall of three silos is provided with the high-order level-sensing device electrically connected with control system, the bottom of each silo is mounted on electrically operated valve, raw material induction system is made up of belt conveyor and bucket elevator, belt conveyor is positioned at the space, underface of three silos, bucket elevator is positioned at the afterbody of belt conveyor, raw material Weighing system includes three belt conveyer scales, belt conveyer scale is positioned on belt conveyor, and it is positioned under silo opening, bottom equipped with sandstone and the silo of powder is additionally provided with vibrosieve, vibrosieve is positioned on belt conveyer scale, electrically operated valve and belt conveyer scale all electrically connect with control system, belt conveyer is by sandstone, the mixture of powder and cement is delivered to bucket elevator, via bucket elevator by sandstone, the mixture of powder and cement sends into mixer system。
Preferred as technique scheme, the structure of three silos and equivalently-sized, each silo all includes cylindrical body and lower taper bucket, the height of the cylindrical body of silo is 5 meters, the diameter of cylindrical body is 1 meter, silo is supported on ground by silo support, ground has the building foundation of fixing silo support, taper bucket and the cylindrical body junction of silo are additionally provided with low level level-sensing device, the top of silo has the magnetic filter screen of band, and feeding trolley can be poured into the raw material of silo and be removed metal impurities by filter screen。
Preferred as technique scheme, silo support is additionally provided with and walks on stage or ladder, maintenance for each maintenance portion provides manipulation space, bucket elevator includes lifting wheel and lifting chain, lifting chain is fixedly connected with lifting hopper, it is square for promoting hopper cross section, promotes hopper and has multiple, and multiple lifting hoppers are evenly distributed on lifting chain。
Preferred as technique scheme, mixer system includes stirring main body, stirring main body is positioned at the sidepiece of bucket elevator, the top of stirring main body offers charging aperture near the lifting chain place of bucket elevator, charging aperture has blanking ramp, blanking ramp upper surface is coated with high-abrasive material, the sidepiece of stirring main body is additionally provided with intake pump, intake pump is connected with controlling system, that stirs main body is internally provided with agitator, agitator is crutcher, it has shaft and is positioned at the agitating auger on shaft top, agitator arranging are equipped with six, the bottom of stirring main body is provided with discharging opening, discharging opening is connected with conveying body, the concrete conveyance that conveying body is used for being stirred is to the scene of building。
Preferred as technique scheme, conveying body includes conveying worm, conveying worm is driven by drive motor, conveying worm is internally provided with conveyor screw, conveyor screw is contraction-like, is gradually reduced towards conveying direction size, and the end of conveying worm is connected to transfer pipeline, the top of conveying worm is fixed with the material receiving port docked with discharging opening, and material receiving port is horn-like。
Preferred as technique scheme, electrically operated valve includes valve body and flap, valve body two ends are welded with adpting flange, adpting flange offers bolt hole, the cavity holding rotating shaft is offered in the middle of flap, flap is integrally welded with rotating shaft, rotating shaft is connected by key with outer gear, the part that rotating shaft exposes is arranged with sleeve, outer gear is connected with driving gear by connecting belt, driving gear is driven by valve driving machine, and the output shaft of valve driving machine is connected with driving shaft by shaft coupling, and driving shaft is connected with driving gear by connecting key。
Preferred as technique scheme, in concrete production process, what workmen calculated sandstone, powder, cement and water in advance makes consumption, and make consumption input control system by what calculate, control system makes consumption adjust three silo electrically operated valve unit interval loads according to the default of calculating, to obtain precalculated mixed raw material。The belt conveyer scale of each silo bottom weighs the discharge quantity of corresponding silo constantly, and carry out temporal cumulative calculation, draw total weight, and by the gross weight recorded with precalculated make consumption compare, when the gross weight that belt conveyer scale records more than precalculated make consumption time, control the load with the electrically operated valve corresponding to this belt conveyer scale is reduced;When the gross weight that belt conveyer scale records less than precalculated make consumption time, control the load with the electrically operated valve corresponding to this belt conveyer scale is increased。
The beneficial effects of the present invention is: this automatic batching system disclosure satisfy that large-scale concrete for making process, carry out multiple raw material accurately weighing and conveying, while guaranteeing product quality, accurately controlling and high-efficiency management of concrete batching process can also be realized, it will be apparent that avoid the problems such as loaded down with trivial details unordered, the blending process record management confusion of traditional mode of production blending process program and dispensing serious waste of resources。
Accompanying drawing illustrates:
The following drawings is only intended to, in the present invention being schematically illustrated and explaining, not delimit the scope of the invention。Wherein:
Fig. 1 is the structural representation of the present invention;
Fig. 2 is electrically operated valve perspective view;
Fig. 3 is the top view of electrically operated valve。
Detailed description of the invention:
As shown in Figure 1, the automatic batching system of concrete mixing plant includes raw material storage system, raw material Weighing system, mixer system, raw material induction system and control system, raw material storage system includes three silos being arranged side by side 12, in three silos 12, storage has sandstone respectively, powder and cement, the upper inside wall of three silos 12 is provided with the high-order level-sensing device 11 electrically connected with control system, the bottom of each silo 12 is mounted on electrically operated valve 13, raw material induction system is made up of belt conveyor 32 and bucket elevator 33, belt conveyor 32 is positioned at the space, underface of three silos 12, bucket elevator 33 is positioned at the afterbody of belt conveyor 32, raw material Weighing system includes three belt conveyer scales 31, belt conveyer scale 31 is positioned on belt conveyor 32, and it is positioned under silo 12 opening, bottom equipped with the silo 12 of sandstone and powder is additionally provided with vibrosieve 21, vibrosieve 21 is positioned on belt conveyer scale 31, electrically operated valve 13 and belt conveyer scale 31 all electrically connect with control system, belt conveyer 32 is by sandstone, the mixture of powder and cement is delivered to bucket elevator 33, via bucket elevator 33 by sandstone, the mixture of powder and cement sends into mixer system。
The structure of three silos 12 and equivalently-sized, each silo 12 all includes cylindrical body and lower taper bucket, the height of the cylindrical body of silo 12 is 5 meters, the diameter of cylindrical body is 1 meter, silo 12 is supported on ground by silo support, ground has the building foundation of fixing silo support, taper bucket and the cylindrical body junction of silo 12 are additionally provided with low level level-sensing device, the top of silo 12 has the magnetic filter screen of band, and feeding trolley 20 can be poured into the raw material of silo 12 and be removed metal impurities by filter screen。
Being additionally provided with on silo support and walk on stage or ladder, the maintenance for each maintenance portion provides manipulation space。
Bucket elevator 33 includes lifting wheel 332 and lifting chain 331, and lifting chain 331 is fixedly connected with lifting hopper 333, and it is square for promoting hopper 333 cross section, promotes hopper 333 and has multiple, and multiple lifting hoppers 333 are evenly distributed on lifting chain 331。
Mixer system includes stirring main body 41, stirring main body 41 is positioned at the sidepiece of bucket elevator 33, the top of stirring main body 41 offers charging aperture 42 near the lifting chain place of bucket elevator 33, charging aperture 42 has blanking ramp, blanking ramp upper surface is coated with high-abrasive material, the sidepiece of stirring main body 41 is additionally provided with intake pump 50, intake pump 50 is connected with controlling system, that stirs main body 41 is internally provided with agitator 43, agitator 43 is crutcher, it has shaft and is positioned at the agitating auger 431 on shaft top, agitator 43 arranging are equipped with six, the bottom of stirring main body 41 is provided with discharging opening 44, discharging opening 44 is connected with conveying body, the concrete conveyance that conveying body is used for being stirred is to the scene of building。
Conveying body includes conveying worm 61, conveying worm 62 is driven by drive motor 60, conveying worm 62 is internally provided with conveyor screw 621, conveyor screw 621 is contraction-like, it is gradually reduced towards conveying direction size, the end of conveying worm 62 is connected to transfer pipeline 63, and the top of conveying worm 62 is fixed with the material receiving port 61 docked with discharging opening 44, and material receiving port is horn-like。
As Figure 2-3, electrically operated valve includes valve body 135 and flap 133, valve body 135 two ends are welded with adpting flange 131, adpting flange 131 offers bolt hole 134, the cavity 132 holding rotating shaft 138 is offered in the middle of flap 133, flap 133 is integrally welded with rotating shaft 138, rotating shaft 138 is connected by key 143 with outer gear 141, the part that rotating shaft 138 exposes is arranged with sleeve 139, outer gear 141 is connected with driving gear 142 by connecting belt 145, driving gear is driven by valve driving machine 130, the output shaft of valve driving machine 130 is connected with driving shaft 137 by shaft coupling 136, driving shaft 137 is connected with driving gear 142 by connecting key 144。
In concrete production process, what workmen calculated sandstone, powder, cement and water in advance makes consumption, and make consumption input control system by what calculate, control system makes consumption adjust three silo electrically operated valve unit interval loads according to the default of calculating, to obtain precalculated mixed raw material。The belt conveyer scale of each silo bottom weighs the discharge quantity of corresponding silo constantly, and carry out temporal cumulative calculation, draw total weight, and by the gross weight recorded with precalculated make consumption compare, when the gross weight that belt conveyer scale records more than precalculated make consumption time, control the load with the electrically operated valve corresponding to this belt conveyer scale is reduced;When the gross weight that belt conveyer scale records less than precalculated make consumption time, control the load with the electrically operated valve corresponding to this belt conveyer scale is increased。
Described embodiment is in order to the illustrative present invention, not for the restriction present invention。Described embodiment all under the spirit and category of the present invention, can be modified, therefore the scope of the present invention by any those skilled in the art, should as listed by the claim of the present invention。

Claims (7)

1. the automatic batching system of a concrete mixing plant, it is characterized in that, the automatic batching system of concrete mixing plant includes raw material storage system, raw material Weighing system, mixer system, raw material induction system and control system, raw material storage system includes three silos being arranged side by side (12), in three silos, storage has sandstone respectively, powder and cement, the upper inside wall of three silos is provided with the high-order level-sensing device (11) electrically connected with control system, the bottom of each silo is mounted on electrically operated valve (13), raw material induction system is made up of belt conveyor (32) and bucket elevator (33), belt conveyor (32) is positioned at the space, underface of three silos (12), bucket elevator (33) is positioned at the afterbody of belt conveyor (32), raw material Weighing system includes three belt conveyer scales (31), belt conveyer scale (31) is positioned on belt conveyor (32), and it is positioned under silo (12) opening, bottom equipped with the silo (12) of sandstone and powder is additionally provided with vibrosieve (21), vibrosieve (21) is positioned on belt conveyer scale (31), electrically operated valve (13) and belt conveyer scale (31) all electrically connect with control system, belt conveyer (32) is by sandstone, the mixture of powder and cement is delivered to bucket elevator (33), via bucket elevator (33) by sandstone, the mixture of powder and cement sends into mixer system。
2. the automatic batching system of concrete mixing plant according to claim 1, it is characterized in that: the structure of three silos (12) and equivalently-sized, each silo (12) all includes cylindrical body and lower taper bucket, the height of the cylindrical body of silo (12) is 5 meters, the diameter of cylindrical body is 1 meter, silo (12) is supported on ground by silo support, ground has the building foundation of fixing silo support, taper bucket and the cylindrical body junction of silo (12) are additionally provided with low level level-sensing device, the top of silo (12) has the magnetic filter screen of band。
3. the automatic batching system of concrete mixing plant according to claim 1, it is characterized in that: silo support is additionally provided with and walks on stage or ladder, maintenance for each maintenance portion provides manipulation space, bucket elevator (33) includes lifting wheel (332) and lifting chain (331), lifting chain (331) is fixedly connected with lifting hopper (333), it is square for promoting hopper (333) cross section, promoting hopper (333) and have multiple, multiple lifting hoppers (333) are evenly distributed on lifting chain (331)。
4. the automatic batching system of concrete mixing plant according to claim 1, it is characterized in that: mixer system includes stirring main body (41), stirring main body (41) is positioned at the sidepiece of bucket elevator (33), the top of stirring main body (41) offers charging aperture (42) near the lifting chain place of bucket elevator (33), charging aperture (42) has blanking ramp, blanking ramp upper surface is coated with high-abrasive material, the sidepiece of stirring main body (41) is additionally provided with intake pump (50), intake pump (50) is connected with controlling system, that stirs main body (41) is internally provided with agitator (43), agitator (43) is crutcher, it has shaft and is positioned at the agitating auger (431) on shaft top, agitator (43) arranging are equipped with six, the bottom of stirring main body (41) is provided with discharging opening (44), discharging opening (44) is connected with conveying body。
5. the automatic batching system of concrete mixing plant according to claim 1, it is characterized in that: conveying body includes conveying worm (61), conveying worm (62) is driven by drive motor (60), conveying worm (62) is internally provided with conveyor screw (621), conveyor screw (621) is for contraction-like, it is gradually reduced towards conveying direction size, the end of conveying worm (62) is connected to transfer pipeline (63), the top of conveying worm (62) is fixed with the material receiving port (61) docked with discharging opening (44), material receiving port is horn-like。
6. the automatic batching system of concrete mixing plant according to claim 1, it is characterized in that: electrically operated valve includes valve body (135) and flap (133), valve body (135) two ends are welded with adpting flange (131), adpting flange (131) offers bolt hole (134), the cavity (132) holding rotating shaft (138) is offered in the middle of flap (133), flap (133) is integrally welded with rotating shaft (138), rotating shaft (138) is connected by key (143) with outer gear (141), the part that rotating shaft (138) exposes is arranged with sleeve (139), outer gear (141) is connected with driving gear (142) by connecting belt (145), driving gear is driven by valve driving machine (130), the output shaft of valve driving machine (130) is connected with driving shaft (137) by shaft coupling (136), driving shaft (137) is connected with driving gear (142) by connecting key (144)。
7. the automatic batching system of concrete mixing plant according to claim 6, it is characterized in that: in concrete production process, what workmen calculated sandstone, powder, cement and water in advance makes consumption, and make consumption input control system by what calculate, control system makes consumption adjust three silo electrically operated valve unit interval loads according to the default of calculating, to obtain precalculated mixed raw material。The belt conveyer scale of each silo bottom weighs the discharge quantity of corresponding silo constantly, and carry out temporal cumulative calculation, draw total weight, and by the gross weight recorded with precalculated make consumption compare, when the gross weight that belt conveyer scale records more than precalculated make consumption time, control the load with the electrically operated valve corresponding to this belt conveyer scale is reduced;When the gross weight that belt conveyer scale records less than precalculated make consumption time, control the load with the electrically operated valve corresponding to this belt conveyer scale is increased。
CN201610136895.0A 2016-03-10 2016-03-10 A kind of automatic batching system of concrete mixing plant Active CN105690568B (en)

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CN107253281A (en) * 2017-08-13 2017-10-17 唐云龙 A kind of build concrete mixer
CN108246609A (en) * 2018-01-16 2018-07-06 海安海太铸造有限公司 A kind of screening plant for cement production
CN109775328A (en) * 2018-12-12 2019-05-21 南京中电自动化有限公司 A kind of sludge transport control system and method
CN110355877A (en) * 2019-07-29 2019-10-22 王元珍 A kind of cement feeding machine
CN110626820A (en) * 2019-08-19 2019-12-31 包头钢铁(集团)有限责任公司 Optimization method for improving automatic coal blending accuracy of large-volume silo

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