WO2013040898A1 - Procédé et système pour détecter la teneur en ciment dans un agitateur principal et agitateur principal - Google Patents

Procédé et système pour détecter la teneur en ciment dans un agitateur principal et agitateur principal Download PDF

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Publication number
WO2013040898A1
WO2013040898A1 PCT/CN2012/074311 CN2012074311W WO2013040898A1 WO 2013040898 A1 WO2013040898 A1 WO 2013040898A1 CN 2012074311 W CN2012074311 W CN 2012074311W WO 2013040898 A1 WO2013040898 A1 WO 2013040898A1
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WO
WIPO (PCT)
Prior art keywords
resistance
cement
content
mixing
detecting
Prior art date
Application number
PCT/CN2012/074311
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English (en)
Chinese (zh)
Inventor
周翔
彭清祥
刘立新
Original Assignee
湖南三一智能控制设备有限公司
三一重工股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by 湖南三一智能控制设备有限公司, 三一重工股份有限公司 filed Critical 湖南三一智能控制设备有限公司
Publication of WO2013040898A1 publication Critical patent/WO2013040898A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
    • G01N11/10—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material
    • G01N11/14—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material by using rotary bodies, e.g. vane
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
    • G01N33/383—Concrete or cement
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
    • G01N2011/0046—In situ measurement during mixing process

Definitions

  • the invention relates to the technical field of concrete mixing equipment, in particular to a method for detecting the cement content in a mixing main machine.
  • the invention also relates to a system for detecting the amount of cement in a mixing plant and a mixing machine having the system.
  • various materials are input into the mixing host according to a certain ratio.
  • the mixing host stirs the mixed materials according to the preset mixing time of the control program, and then discharges after the stirring.
  • the weight sensor is installed on the mixing host, and it is detected whether the total material weight value in the mixing host is consistent with the standard total material weight value. If the detected actual material weight value is less than the standard total material weight value, then it is judged Lack of cement.
  • the weight value collected by the stirring host is inaccurate, which makes it impossible to accurately judge whether the cement is lacking.
  • the weight of the installed weight sensor is high, and the installation is not convenient.
  • a first object of the present invention is to provide a method for detecting the cement content in a mixing mainframe, which is capable of accurately detecting the presence or absence of cement in the mixing mainframe.
  • a second object of the present invention is to provide a system for detecting the cement content in a mixing mainframe, which is capable of accurately detecting the presence or absence of cement in the mixing mainframe.
  • a third object of the present invention is to provide a water having the above-mentioned detection mixing host The mixing unit of the mud content system.
  • the present invention provides a method for detecting the amount of cement in a mixing mainframe, comprising the steps of:
  • Step A detecting the resistance caused by the material in the stirring state in the stirring host;
  • Step B comparing the detected resistance with the preset resistance range, and if the detected resistance is less than the preset resistance range, determining The cement content in the mixing host is less than the standard content; if the detected resistance is within the preset resistance range, it is judged that the cement content in the mixing host meets the requirements; if the detected resistance is greater than the preset resistance range, it is determined that the cement in the mixing host is The content is greater than the standard content.
  • the method further includes:
  • step C the cement content corresponding to the detected resistance is determined according to the resistance value corresponding to the different cement content previously calibrated.
  • the detected resistance is less than the preset resistance range, it is judged that the cement content in the mixing host is less than the standard content, and the cement lacks an alarm signal.
  • the detected resistance is greater than the predetermined resistance range, it is determined that the cement content in the mixing host is greater than the standard content, and a cement over-standard warning signal is issued.
  • the consistency of the concrete will vary greatly, and the resistance of the material in the mixing machine will vary greatly with the consistency; and each type of concrete has various materials.
  • the ratio is constant, the density and consistency are also certain, and the resistance brought by the mixing machine is also certain.
  • the resistance range of the various materials of the standard proportioning concrete can be preset in the mixing machine. The range of resistance, during the actual mixing process, the resistance of the material can be detected, and the detected resistance is compared with the preset resistance range. If the detected resistance is less than the preset resistance range, the mixing host is judged.
  • the internal cement content is less than the standard content; if the detected resistance is within the preset resistance range, it is judged that the cement content in the mixing host meets the requirement; if the detected resistance is greater than the preset resistance range, it is determined that the cement content in the mixing host is greater than Standard content.
  • the present invention also provides a system for detecting the cement content in a stirring main machine, comprising a detecting unit and a controller, wherein the detecting unit is used for detecting materials in a stirring state in the stirring main body.
  • the controller receives the resistance signal, and compares the detected resistance with a preset resistance range, and if the detected resistance is less than the predetermined resistance range, determining the inside of the mixing host The cement content is less than the standard content; if the detected resistance is within the preset resistance range, it is judged that the cement content in the mixing host meets the requirement; if the detected resistance is greater than the predetermined resistance range, the cement content in the mixing host is determined Greater than the standard content.
  • the controller is further configured to determine a cement content corresponding to the detected resistance according to a resistance value corresponding to different cement contents which are pre-calibrated.
  • the first alarm unit is further included. If the detected resistance is less than the preset resistance range, it is determined that the cement content in the mixing host is less than the standard content, and the first alarm unit emits a cement lacking alarm signal.
  • the second alarm unit further comprises: if the detected resistance is greater than the preset resistance range, determining that the cement content in the mixing host is greater than a standard content, and the second alarm unit emits a cement over-alarm warning signal.
  • a display unit is further included, wherein the display unit is configured to display a cement content determined by the controller corresponding to the detected resistance.
  • the detecting unit is a force sensor
  • the force sensor is installed in the stirring host, and the force sensor detects the resistance brought by the material in the stirring host along the stirring direction or the reverse stirring direction, and sends a resistance signal.
  • the signal processing unit further comprises: a signal receiving end of the signal processing unit is connected to the resistance signal output end of the detecting unit, and a signal output end of the signal processing unit is connected to the resistance signal receiving end of the controller.
  • the system for detecting the cement content in the mixing main machine comprises a detecting unit and a controller, wherein the detecting unit is configured to detect the resistance caused by the material in the stirring state in the stirring main body, and emit a resistance signal; the controller receives the a resistance signal, and comparing the detected resistance with a preset resistance range, if the detected resistance is less than the predetermined resistance range, determining that the cement content in the mixing host is less than a standard content; if the detected resistance is in the Within the resistance range, it is judged that the cement content in the mixing host meets the requirements; if the detected resistance is greater than the predetermined resistance range, Then it is determined that the cement content in the mixing host is greater than the standard content.
  • the present invention also provides a stirring main machine which detects the content of cement in the agitating main body by using the above-described system for detecting the cement content in the agitating main body. Since the above system for detecting the cement content of the agitating host has the above technical effects, the mixing host having the system should also have the corresponding technical effects.
  • FIG. 1 is a flow chart showing a specific embodiment of a method for detecting a cement content in a stirring main body provided by the present invention
  • FIG. 2 is a schematic block diagram of a specific embodiment of a system for detecting cement content in a mixing mainframe provided by the present invention
  • FIGS. 1 to 3 is a schematic structural view of the mounting position of the detecting unit in the stirring main body of FIG. 2; wherein, in FIGS. 1 to 3:
  • FIG. 1 is a flow chart of a specific embodiment of a method for detecting cement content in a mixing mainframe provided by the present invention.
  • the method for detecting the cement content in a stirring main body provided by the present invention is used for detecting whether the cement in the mixing host is lacking, and the method specifically comprises the following steps.
  • Step S101 detecting the resistance caused by the material in the stirring state in the stirring main body.
  • the force sensor can be arranged in the mixing host, and the stirring main body rotates in a certain direction during the working process, and the force sensor can detect the stirring state in the mixing host in the stirring direction or against the stirring direction. The resistance caused by the material and the resistance signal.
  • Step S102 comparing the detected resistance with a preset resistance range, if the detected resistance If the force is less than the predetermined resistance range, it is determined that the cement content in the mixing host is less than the standard content; if the detected resistance is within the preset resistance range, it is determined that the cement content in the mixing host meets the requirement; if the detected resistance is greater than The preset resistance range determines that the cement content in the mixing main unit is greater than the standard content.
  • the consistency of the concrete will vary greatly, and the resistance of the material in the mixing machine will vary greatly with the consistency; and each type of concrete has various materials.
  • the ratio is constant, the density and consistency are also certain, and the resistance brought by the mixing machine is also certain.
  • the resistance range of the various materials of the standard proportioning concrete can be preset in the mixing machine.
  • the resistance range can be used to detect the resistance of the concrete with the cement content as a standard ratio during the mixing process.
  • the resistance is the standard resistance value, and the standard resistance value can be defined as the preset resistance range.
  • the predetermined resistance range may be a resistance range having a certain upper and lower floating range.
  • the detected resistance is less than the preset resistance range, indicating that the consistency of the material in the mixing host is low, it is judged that the cement content in the mixing host is less than the standard content, and the mixing host is The amount of cement added or added cement is small; if the detected resistance is within the preset resistance range, it is judged that the cement content in the mixing host meets the requirements; if the detected resistance is greater than the preset resistance range, then the determination is made.
  • the cement content in the mixing machine is greater than the standard content.
  • the detected resistance is less than the preset resistance range, it is judged that the cement content in the mixing host is less than the standard content, and the cement lacks an alarm signal, prompting the operator to stir the concrete in the concrete in the main machine, and the production should be stopped or suspended. Discharge into the transport vehicle.
  • the detected resistance is greater than the predetermined resistance range, it is determined that the cement content in the mixing host is greater than the standard content, and the cement exceeds the warning alarm signal, prompting the operator to stir the concrete in the concrete in the host to be excessive. Stop production or suspend discharge to the transport vehicle.
  • step S103 in order to detect the accurate content of the cement in the mixing host, step S103 may be further included after step S102. Step S103, determining the cement content corresponding to the detected resistance according to the resistance value corresponding to the different cement content calibrated in advance.
  • the resistance of concrete with different content of cement is different. It is possible to detect in advance the resistance caused by concrete with different content of cement during the mixing process, and the resistance values corresponding to different cement contents are different.
  • the standard value the resistance detected by the mixing machine during operation, is compared with the corresponding standard value to obtain the cement content relative to the detected resistance.
  • This kind of scheme can accurately detect the content of cement in the mixing host. If the cement of the mixing machine is lacking, according to the determined amount of cement water in the mixing machine, the amount of cement missing in the mixing host can be calculated, and the mixing host is added. The cement lacking amount makes the cement content meet the standard; Similarly, if the cement content in the mixing main unit is greater than the standard content, the amount of the remaining materials can be calculated, and the amount of the corresponding remaining materials is added accordingly to obtain the standard concrete. .
  • the present invention also provides a system for detecting the cement content in the mixing mainframe.
  • FIG. 2 is a schematic block diagram of a specific embodiment of a system for detecting the cement content in the mixing mainframe provided by the present invention
  • FIG. 3 is a schematic structural view of the mounting position of the detecting unit in the stirring host in FIG. 2.
  • the system includes a detecting unit 1 and a controller 2, and the detecting unit 1 is configured to detect the resistance caused by the material in the stirring state in the stirring main body, and emit a resistance signal;
  • the controller 2 receives the resistance signal, and compares the detected resistance with a preset resistance range. If the detected resistance is less than the predetermined resistance range, it is determined that the cement content in the mixing host 10 is less than the standard content; If the detected resistance is within the preset resistance range, it is determined that the cement content in the mixing host 10 meets the requirement; if the detected resistance is greater than the predetermined resistance range, it is determined that the cement content in the mixing host 10 is greater than the standard content.
  • the detecting unit 1 may be a force sensor disposed in the mixing host 10, and during the working process, the stirring impeller 11 rotates the material in a certain direction, and the force sensor can be in the stirring direction or against the stirring direction. Detects the resistance caused by the material in the mixing state of the mixing machine and sends a resistance signal.
  • the consistency of the concrete will vary greatly, and the resistance of the material in the mixing machine 10 will vary greatly with the consistency; and each type of concrete has various materials.
  • the ratio of the ratio is certain, the density and consistency are also certain, the resistance brought by the mixing machine 10 is also certain, and the various materials of the standard proportion of concrete can be pre-calibrated in the mixing host.
  • the resistance range brought by stirring within 10 is the preset resistance range, and the resistance of the concrete with the cement content as the standard proportion during the mixing process can be detected.
  • the resistance is the standard resistance value, and the standard resistance value can be Defined as the preset resistance range, in the preferred solution, considering the impact of the impact during concrete mixing, the predetermined resistance range may be a resistance range having a certain upper and lower floating range.
  • the preset resistance range is stored in the storage unit of the controller 2.
  • the calculating unit of the controller 2 compares the detected resistance with the preset resistance range. If the detected resistance is less than the preset resistance range, indicating that the consistency of the material in the mixing host 10 is low, the cement in the mixing host 10 is judged. If the content is less than the standard content, the amount of cement added or the added cement in the mixing machine 10 is less; if the detected resistance is within the preset resistance range, it is judged that the cement content in the mixing host 10 meets the requirements; If the resistance is greater than the preset resistance range, it is determined that the cement content in the mixing host 10 is greater than the standard content.
  • the first alarm unit 3 is further included. If the detected resistance is less than the preset resistance range, it is determined that the cement content in the mixing host 10 is less than the standard content, and the first alarm unit 3 sends out a cement lacking an alarm signal. The operator is prompted to agitate the concrete in the concrete in the main machine 10, and the production should be stopped or the discharge should be suspended in the transport vehicle.
  • the second alarm unit 4 is further included. If the detected resistance is greater than the preset resistance range, it is determined that the cement content in the mixing host 10 is greater than the standard content, and the second alarm unit 4 sends a cement over-standard warning signal. The operator is prompted to stir the concrete in the concrete 10 to have too much cement, and the production should be stopped or the discharge should be suspended in the transport vehicle.
  • the controller 2 is further configured to determine the cement content corresponding to the detected resistance according to the resistance value corresponding to the different cement contents which are pre-calibrated.
  • the resistance of concrete with different content of cement is different. It is possible to detect in advance the resistance caused by concrete with different content of cement during the mixing process, and the resistance values corresponding to different cement contents are different. Standard value, different standard values are stored in the storage unit of the controller 2, and the calculation unit of the controller 2 detects the mixing host 10 during the working process. The resistance obtained is compared with the corresponding standard value to obtain the cement content relative to the detected resistance. The solution can accurately detect the content of cement in the mixing machine 10. If the cement in the mixing machine 10 is lacking, the amount of cement in the mixing machine 10 can be calculated according to the determined amount of cement in the mixing machine 10.
  • the mixing host 10 adds the amount of cement to make the cement content meet the standard; Similarly, if the cement content in the mixing machine 10 is greater than the standard content, the amount of the remaining materials to be added can be calculated, and the amount of the corresponding remaining materials is correspondingly added. In order to get standard concrete.
  • a display unit 5 for displaying the cement content determined by the controller 2 corresponding to the detected resistance is further included. Through the display unit 5, the operator can visually observe the exact content of the cement in the mixing machine 10.
  • the signal processing unit 6 is further included; the signal receiving end of the signal processing unit 6 is connected to the resistance signal output end of the detecting unit 1, and the signal output end of the signal processing unit 6 and the resistance of the controller 2 The signal receiving end is connected.
  • the signal processing unit 6 can process the resistance signal collected by the detecting unit 1 to eliminate the deviation.
  • the present invention also provides a stirring main machine which detects the cement content in the mixing main body by using the above-mentioned system for detecting the cement content in the mixing main machine. Since the above system for detecting the cement content of the mixing main machine has the above technical effects, the mixing host having the system should also have corresponding technical effects, and will not be described in detail herein.

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Ceramic Engineering (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)

Abstract

L'invention porte sur un procédé pour détecter la teneur en ciment dans un agitateur principal, lequel procédé comprend : l'étape A, consistant à détecter la résistance à partir d'un matériau dans un état d'agitation dans un agitateur principal (10) ; l'étape B, consistant à comparer la résistance détectée à la plage de résistance pré-établie et à prendre une décision du fait que la teneur en ciment dans l'agitateur principal est inférieure à une teneur normalisée quand la résistance détectée est inférieure à la plage de résistance pré-établie, que la teneur en ciment dans l'agitateur principal satisfait aux exigences quand la résistance détectée est comprise dans la plage de résistance pré-établie, et que la teneur en ciment dans l'agitateur principal est supérieure à la teneur normalisée quand la résistance détectée est supérieure à la plage de résistance pré-établie. Il peut être détecté avec précision s'il manque ou non du ciment dans l'agitateur principal à l'aide du procédé. L'invention porte également sur un système pour détecter la teneur en ciment dans un agitateur principal et sur un agitateur principal comprenant le système.
PCT/CN2012/074311 2011-09-23 2012-04-18 Procédé et système pour détecter la teneur en ciment dans un agitateur principal et agitateur principal WO2013040898A1 (fr)

Applications Claiming Priority (2)

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CN201110286834XA CN102445405A (zh) 2011-09-23 2011-09-23 检测搅拌主机内水泥含量的方法、系统及搅拌主机
CN201110286834.X 2011-09-23

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WO2013040898A1 true WO2013040898A1 (fr) 2013-03-28

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CN106093357B (zh) * 2016-06-13 2018-06-26 山东建泽混凝土有限公司 混凝土中浆体用料配比的检验方法
CN108340485A (zh) * 2018-03-13 2018-07-31 来安县塔鑫建材有限公司 一种混凝土泥浆搅拌效率提升系统
CN108556136A (zh) * 2018-03-13 2018-09-21 来安县塔鑫建材有限公司 一种基于阻力分析的混凝土泥浆搅拌控制方法
CN114100427B (zh) * 2021-12-01 2023-11-24 永城煤电控股集团有限公司 一种煤矿地质开采用捣浆机

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TW200532181A (en) * 2003-12-19 2005-10-01 Grace W R & Co Rheomixer device
KR20070120838A (ko) * 2006-06-20 2007-12-26 충주대학교 산학협력단 용융금속 회전저항 계측시스템 및 그 방법
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