CN115214017A - Large-water-volume sand-coated stone concrete production equipment and production method - Google Patents

Large-water-volume sand-coated stone concrete production equipment and production method Download PDF

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Publication number
CN115214017A
CN115214017A CN202210928735.5A CN202210928735A CN115214017A CN 115214017 A CN115214017 A CN 115214017A CN 202210928735 A CN202210928735 A CN 202210928735A CN 115214017 A CN115214017 A CN 115214017A
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Prior art keywords
water
stirring
sand
powder
bin body
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CN202210928735.5A
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Chinese (zh)
Inventor
姜跃杰
谢永强
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Zhengzhou Haorong Hydraulic Machinery Co ltd
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Zhengzhou Haorong Hydraulic Machinery Co ltd
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Priority to CN202210928735.5A priority Critical patent/CN115214017A/en
Publication of CN115214017A publication Critical patent/CN115214017A/en
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    • 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
    • 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
    • B28C7/0046Storage or weighing apparatus for supplying ingredients
    • B28C7/0053Storage containers, e.g. hoppers, silos, bins
    • B28C7/0069Storage containers, e.g. hoppers, silos, bins having compartments
    • 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
    • B28C7/0046Storage or weighing apparatus for supplying ingredients
    • B28C7/0053Storage containers, e.g. hoppers, silos, bins
    • B28C7/0076Parts or details thereof, e.g. opening, closing or unloading means
    • 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
    • B28C7/12Supplying or proportioning liquid ingredients

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)

Abstract

The invention relates to a large-water-volume sand-coated stone concrete production device and a production method, wherein the production method comprises the following steps: 1) The sand is put into the conveyer belt, and stones are put into the conveyer belt at intervals of specific time after the sand is discharged; 2) After the sand enters the lower bin body, closing the overturning discharging door and blocking stones in the upper bin body; 3) Simultaneously opening the flap gate and the water butterfly valve to enable the sand and the water to enter the stirring host machine simultaneously to start stirring; 4) After waiting for a period of time, open the upset and unload the bin gate, make the stone fall into the stirring host computer. According to the production method, after the sand, the powder and the water are stirred by the stirring main machine, the stone is added for stirring, and the feeding node is controlled, so that the production efficiency is improved, the stirring moment of the stirring main machine is reduced, the impact on a power supply system is reduced, and the equipment maintenance cost of the stirring station is reduced.

Description

Large-water-volume sand-coated stone concrete production equipment and production method
Technical Field
The invention relates to the technical field of concrete production equipment, in particular to large-water-volume sand-coated stone concrete production equipment and a production method.
Background
In the current concrete production, when the material was thrown to the concrete, grit and stone were mixed together, exist in the storage storehouse together temporarily, when the ready-mixed concrete, grit and stone fall into the stirring host computer together, mix the stirring with the powder in the stirring host computer, spout water in to the stirring host computer through launching the water pipe simultaneously to make the concrete. The production method has the problems that sand and stones fall into the stirring main machine at the same time, so that the main machine current is very large when the stirring main machine feeds the sand and stones, the stirring torque required by the main machine is very large, the service lives of a motor and a speed reducer are influenced, and the energy consumption is high, meanwhile, as shown in figure 2, in the existing production equipment, the drainage water pipe 6 comprises a drainage pipe 61, a main machine internal distribution pipe 62 and a spiral spray head 63, when in drainage, water needs to pass through the drainage pipe 61, the main machine internal distribution pipe 62 and the rotary spray head 63, so that the water flow is slow, meanwhile, the rotary spray head 63 is easy to block in production, so that the drainage time is long, the consistency of materials inside the stirring main machine is large, the time required for uniform stirring is long, the stirring torque is large, and the production efficiency is low.
Disclosure of Invention
The invention aims to provide a large-water-content sand-coated stone concrete production device, which is used for solving the problems in the existing concrete production and also provides a production method.
In order to realize the purpose, the invention adopts the following technical scheme:
the large-water-volume sand-coated stone concrete production equipment comprises a middle storage bin, a stirring main machine and a water supply device, wherein the middle storage bin and the water supply device are both arranged above the stirring main machine, the middle storage bin comprises an upper bin body and a lower bin body, a turnover discharge door is arranged between the upper bin body and the lower bin body, a turnover door is arranged at the lower end of the lower bin body, and a conveying belt is arranged above the upper bin body; the water supply device comprises a water metering hopper and a sewer pipeline, the water metering hopper is arranged above the stirring host, and the sewer pipeline is arranged at the lower end of the water metering hopper and used for supplying water to the stirring host.
Further preferably, the conveying belt is provided with infrared material detection equipment.
Further preferably, the turnover discharging doors are two and are symmetrically arranged.
Preferably, a water butterfly valve is arranged between the sewer pipeline and the water measuring hopper.
Further preferably, the stirring device further comprises a powder supply device, the powder supply device is arranged above the stirring host machine, the powder supply device comprises a powder metering hopper and a powder pipeline, and the powder pipeline is arranged at the lower end of the powder metering hopper and is used for conveying powder into the stirring host machine; and a powder butterfly valve is arranged between the powder metering hopper and the powder pipeline.
A method of producing concrete comprising the steps of,
1) Sand is put into the conveyer belt, and stones are delivered to the conveyer belt at intervals of specific time after the sand is discharged;
2) After the sand enters the lower bin body, closing the overturning discharging door and blocking stones in the upper bin body;
3) Simultaneously opening the flap gate and the water butterfly valve to enable the sand and the water to enter the stirring host machine simultaneously to start stirring;
4) After waiting for a period of time, open the upset and unload the bin gate, make the stone fall into in the stirring host computer.
Further preferably, in the step 2), when the turnover discharging door is closed, the stones on the conveying belt just enter the upper bin body.
The invention has the beneficial effects that:
according to the large-water-volume sand-coated stone concrete production equipment and the production method, the overturning discharge door is arranged in the middle storage bin, so that stones and sands can be conveniently stored separately, the situation that the sands and the stones simultaneously fall into the stirring main machine to increase the stirring moment of the stirring main machine is avoided, and the water metering hopper and the sewer pipeline are arranged, so that water can be completely filled into the stirring main machine at one time, the stirring main machine can more smoothly stir the sands and the powders, the stirring moment is reduced, the energy consumption of the stirring main machine is reduced, the maintenance frequency of the stirring main machine is reduced, and the service life of the stirring main machine is prolonged. In production, now carry the grit to well storage bin in, then hold the node, close the upset discharge door after the grit gets into lower storehouse body for the stone falls into the upper storehouse body immediately, has improved material conveying efficiency, and then improves production efficiency.
Drawings
FIG. 1 is a schematic view of a high-volume sand-coated stone concrete production plant of the present invention;
FIG. 2 is a schematic view of a sewer pipe in a concrete production facility of the present invention.
Names corresponding to the marks in the figure:
1. the device comprises a middle storage bin, 11, an upper bin body, 12, a lower bin body, 13, a turnover discharge door, 14, a turnover plate door, 2, a stirring host, 3, a water supply device, 31, a water measuring hopper, 32, a sewer pipeline, 4, a conveying belt, 5, a powder supply device, 51, a powder measuring hopper, 52, a powder pipeline, 6, a sewer pipeline, 61, a sewer pipe, 62, a pipe in the host, 63 and a spiral nozzle.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1 of the invention:
the large-water-volume sand-coated stone concrete production equipment in the embodiment supplies water through the large-water-volume water supply device, and is matched with the middle storage bin provided with the partition plates to realize alternate stirring of sand and stones, so that the problems of high energy consumption and large equipment loss in the current concrete production link are solved.
Specifically, as shown in fig. 1, the large-water-content sand-coated stone concrete production equipment comprises a middle storage bin 1, a stirring main machine 2 and a water supply device 3, wherein the middle storage bin 1 and the water supply device 3 are both arranged above the stirring main machine 2, the middle storage bin 1 is used for storing aggregate such as sand and stone, the stirring main machine 2 is used for mixing and stirring the aggregate and powder, and the water supply device 3 is used for supplying water into the stirring main machine 2.
In this embodiment, well storage silo 1 includes the upper bin body 11 and the lower bin body 12, is equipped with the upset between the upper bin body 11 and the lower bin body 12 and unloads bin gate 13, unloads bin gate 13 through the upset, keeps apart the upper bin body 11 and the lower bin body 12, can realize the separate storage of grit and stone, is equipped with panel turnover door 14 at lower bin body 12 lower extreme, and panel turnover door 14 can the switching, and the aggregate in the control storage silo 1 falls into stirring host computer 2.
A conveyer belt 4 is arranged above the upper bin body 11 and used for conveying aggregates such as sand, stones and the like into the middle storage bin 1.
In this embodiment, the water supply device 3 includes a water measuring hopper 31 and a water drain 32, the water measuring hopper 31 is disposed above the stirring host 2, the water drain 32 is disposed at a lower end of the water measuring hopper 31 and used for supplying water to the stirring host 2, the water measuring hopper 31 is used for storing a certain amount of water according to different production requirements, and the water is discharged into the stirring host 2 through the water drain 32 at one time.
In this embodiment, be equipped with infrared material check out test set on conveyer belt 4, can detect whether there is the material in conveyer belt 4, be convenient for provide the signal for the control room.
As shown in fig. 1, in this embodiment, the two turnover discharge doors 13 are provided, and the two turnover discharge doors 13 are symmetrically arranged and can be opened and closed simultaneously, so that sand and stones can fall rapidly, and the blockage and the influence on the production efficiency are avoided.
Meanwhile, a water butterfly valve is arranged between the sewer pipe 32 and the water metering hopper 31, in the embodiment, the water butterfly valve is an electric or pneumatic butterfly valve, the control chamber can control the opening and closing of the water butterfly valve so as to control water to enter the stirring host machine 2 on a production node, and meanwhile, in the embodiment, the diameter of the pipe is 273-325mm, so that water can be quickly discharged into the stirring host machine 2.
In this embodiment, a powder supply device 5 is further disposed above the stirring main machine 2, the powder supply device 5 includes a powder weighing hopper 51 and a powder pipeline 52, and the powder pipeline 52 is disposed at a lower end of the powder weighing hopper 51 and is used for conveying powder such as cement, mineral powder, fly ash, and the like into the stirring main machine 2.
A powder butterfly valve is arranged between the powder metering hopper 51 and the powder pipeline 52, in the embodiment, the powder butterfly valve is an electric or pneumatic butterfly valve, and the control chamber can control the opening and closing of the powder butterfly valve so as to control the powder to enter the stirring main machine 2 on a production node.
Below by 3m 3 The concrete production method will be described in detail by taking the large-water-content sand-coated stone concrete production equipment of the mixing main machine 2 as an example.
Firstly, the background metering system firstly puts the sand into the conveyer belt 4, and after the sand discharging is finished, the stone is put again at an interval of about two seconds, in the embodiment, the speed of the conveyer belt 4 is about 2 meters per second, namely the feeding interval of the sand and the stone is about 5 meters, after the conveyer belt 4 conveys the sand into the middle storage bin 1, the turnover discharging door 13 is in an open state, the flap door 14 is in a closed state, and the sand directly falls into the lower bin body 12 and is temporarily stored in the lower bin body 12. The infrared material detection equipment on the conveyer belt 4 detects the grit and passes through completely the back, and the control room postpones 1 second control in the storehouse 1 upset discharge door 13 and closes, because grit and stone interval 5 meters, in the moment the upset discharge door 13 is closed, the stone just falls into in the storehouse 1, keeps in last storehouse body 11, just so separates the grit from the stone and comes.
In the sandstone feeding process, water and additives in the water metering hopper 31 are prepared, and meanwhile, powder materials such as cement, mineral powder and fly ash are also prepared.
When the stirring is to be carried out, the flap door 14 is opened, the water butterfly valve between the water metering hopper 31 and the sewer pipeline 32 is also opened, sand falls into the stirring host machine 2, water directly enters the stirring host machine 2 through the sewer pipeline 32, and after the water butterfly valve is opened for three seconds, the powder butterfly valve is opened to start powder feeding.
The grit, powder and water get into behind the stirring host computer 2, begin the stirring immediately, because this moment the stone does not get into stirring host computer 2, so stirring host computer 2 load is less, under the stirring resistance, can rapid mixing, very thin mortar just forms very fast, node at 21 seconds afterwards, the upset is unloaded bin gate 13 and is opened, the stone unloading gets into stirring host computer 2, because the mortar has formed earlier stage, after the stone drops into the mortar, through the short time stirring, just can wrap up the mortar in the stone surface effectively, form the concrete.
Figure BDA0003780730030000062
Description of the drawings: the units of the name numbers 1, 3, 5 are seconds. The current unit is ampere (a). Host capacity 3m 3 I.e. effective volume of 3m 3 Theory ofProductivity 180m 3 H is the ratio of the total weight of the catalyst to the total weight of the catalyst. 3-side mainframe motor 2 x 55kw.
TABLE 1
Figure BDA0003780730030000061
Description of the drawings: the units of the name numbers 1, 3, 5 are seconds. The current unit is amperes (a). Host capacity 3m 3 Existing effective volume of 3m 3 Theoretical productivity 180m 3 H is the ratio of the total weight of the catalyst to the total weight of the catalyst. 3-side mainframe motor 2 x 55kw.
TABLE 2
Table 1 shows a concrete production flow of the production method of this example, and Table 2 shows a general concrete production flow.
3m 3 Theoretical throughput of the stirring main unit is 180m 3 H, and in actual production, is basically 125m 3 /h-140m 3 H, while the throughput in this example, is increased to 160m 3 /h-180m 3 The production efficiency is improved by 28 percent.
As can be seen from tables 1 and 2, in the initial stage of feeding, the ordinary concrete production method has very large instantaneous current and is easy to cause the stuffy machine phenomenon.
Compared with the common concrete production method, the invention has the following advantages:
1. high production efficiency, 3m 3 The theoretical throughput of the stirring main machine is 180m 3 H, and in actual production, is basically 125m 3 /h-140m 3 H, while the throughput in this example, rises to 160m 3 /h-180m 3 The production efficiency is improved by 28 percent.
2. Energy conservation and consumption reduction, and because the productivity is obviously improved, the unit concrete production time is shortened, and the required energy consumption is reduced.
3. The impact of a power grid is reduced, the instantaneous current of a motor of a stirring main machine is very large in the initial feeding stage of common concrete, the impact on a power supply system is large, and the instantaneous current in the initial feeding stage of the concrete mixer is small and the impact on the power supply system is small.
4. The stirring device has low maintenance cost, and the service life of a corresponding motor and a corresponding speed reducer is correspondingly prolonged due to the reduction of stirring torque, so that the maintenance cost of the stirring station is reduced.
5. The maintenance cost is higher than that of other equipment at ordinary times, and maintenance personnel are correspondingly reduced due to the improvement of the process.

Claims (7)

1. The utility model provides a big water yield sand bag stone concrete production facility which characterized in that: the stirring device comprises a middle storage bin, a stirring main machine and a water supply device, wherein the middle storage bin and the water supply device are both arranged above the stirring main machine, the middle storage bin comprises an upper bin body and a lower bin body, a turnover discharge door is arranged between the upper bin body and the lower bin body, a turnover plate door is arranged at the lower end of the lower bin body, and a conveying belt is arranged above the upper bin body; the water supply device comprises a water metering hopper and a sewer pipeline, the water metering hopper is arranged above the stirring host, and the sewer pipeline is arranged at the lower end of the water metering hopper and used for supplying water to the stirring host.
2. The large water content gravel concrete production apparatus according to claim 1, characterized in that: and the conveying belt is provided with infrared material detection equipment.
3. The large-water-volume sand-coated stone concrete production equipment as claimed in claim 1, wherein: the upset is unloaded the bin gate and is equipped with two, two the upset is unloaded the bin gate symmetry and is set up.
4. The large-water-volume sand-coated stone concrete production equipment as claimed in claim 1, wherein: a water butterfly valve is arranged between the sewer pipeline and the water metering hopper.
5. The large water content gravel concrete production apparatus according to claim 1, characterized in that: the powder mixing device comprises a stirring host machine, a powder supply device and a powder mixing device, wherein the stirring host machine is used for mixing powder with the powder; and a powder butterfly valve is arranged between the powder metering hopper and the powder pipeline.
6. The method for producing concrete using the large water content sand-coated stone concrete production facility as recited in any one of claims 1 to 5, wherein: comprises the following steps of (a) carrying out,
1) Putting the sand into a conveyer belt, and after the sand is discharged, delivering stones to the conveyer belt at intervals of a certain time;
2) After the sand enters the lower bin body, closing the overturning discharging door and blocking stones in the upper bin body;
3) Opening a flap gate and a water butterfly valve simultaneously to enable the sand and the water to enter the stirring host machine simultaneously to start stirring;
4) After waiting for a period of time, open the upset and unload the bin gate, make the stone fall into in the stirring host computer.
7. The method of producing concrete according to claim 6, wherein: in the step 2), when the turnover discharging door is closed, stones on the conveying belt just enter the upper bin body.
CN202210928735.5A 2022-08-03 2022-08-03 Large-water-volume sand-coated stone concrete production equipment and production method Pending CN115214017A (en)

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CN202210928735.5A CN115214017A (en) 2022-08-03 2022-08-03 Large-water-volume sand-coated stone concrete production equipment and production method

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001105423A (en) * 1999-10-08 2001-04-17 Taiheiyo Kiko Kk Method and apparatus for manufacturing concrete
GB0422896D0 (en) * 2004-10-15 2004-11-17 Jones Graham A Mobile concrete mixer
CN103640092A (en) * 2013-11-19 2014-03-19 中联重科股份有限公司 Feeding control method, apparatus and system thereof, aggregate storage bin and stirring station
CN205364201U (en) * 2016-01-29 2016-07-06 中煤建筑安装工程集团有限公司 Concrete mixing pump sending all -in -one
CN108890887A (en) * 2018-07-04 2018-11-27 合肥欧语自动化有限公司 A kind of concrete automatic production device
CN109500996A (en) * 2017-09-15 2019-03-22 河南三和水工机械有限公司 The stirring means of concrete batch plant and concrete
CN214082115U (en) * 2020-11-16 2021-08-31 安福县三合商品混凝土有限公司 High-efficient agitated vessel is used to environmental protection concrete
CN216782275U (en) * 2021-12-31 2022-06-21 广东传鑫新型建材有限公司 Concrete mixing plant

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001105423A (en) * 1999-10-08 2001-04-17 Taiheiyo Kiko Kk Method and apparatus for manufacturing concrete
GB0422896D0 (en) * 2004-10-15 2004-11-17 Jones Graham A Mobile concrete mixer
CN103640092A (en) * 2013-11-19 2014-03-19 中联重科股份有限公司 Feeding control method, apparatus and system thereof, aggregate storage bin and stirring station
CN205364201U (en) * 2016-01-29 2016-07-06 中煤建筑安装工程集团有限公司 Concrete mixing pump sending all -in -one
CN109500996A (en) * 2017-09-15 2019-03-22 河南三和水工机械有限公司 The stirring means of concrete batch plant and concrete
CN108890887A (en) * 2018-07-04 2018-11-27 合肥欧语自动化有限公司 A kind of concrete automatic production device
CN214082115U (en) * 2020-11-16 2021-08-31 安福县三合商品混凝土有限公司 High-efficient agitated vessel is used to environmental protection concrete
CN216782275U (en) * 2021-12-31 2022-06-21 广东传鑫新型建材有限公司 Concrete mixing plant

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