CN105731027B - A kind of automatic batching system - Google Patents

A kind of automatic batching system Download PDF

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Publication number
CN105731027B
CN105731027B CN201610257508.9A CN201610257508A CN105731027B CN 105731027 B CN105731027 B CN 105731027B CN 201610257508 A CN201610257508 A CN 201610257508A CN 105731027 B CN105731027 B CN 105731027B
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CN
China
Prior art keywords
transmission belt
storage silo
weight
transferring band
moment
Prior art date
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Expired - Fee Related
Application number
CN201610257508.9A
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Chinese (zh)
Other versions
CN105731027A (en
Inventor
刘立峰
芮立国
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Chengdu Rui Tu Electronics Co Ltd
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Chengdu Rui Tu Electronics Co Ltd
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Filing date
Publication date
Application filed by Chengdu Rui Tu Electronics Co Ltd filed Critical Chengdu Rui Tu Electronics Co Ltd
Priority to CN201610257508.9A priority Critical patent/CN105731027B/en
Publication of CN105731027A publication Critical patent/CN105731027A/en
Application granted granted Critical
Publication of CN105731027B publication Critical patent/CN105731027B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
    • B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J4/00—Feed or outlet devices; Feed or outlet control devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G65/00—Loading or unloading
    • B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
    • B65G65/34—Emptying devices
    • B65G65/40—Devices for emptying otherwise than from the top
    • B65G65/42—Devices for emptying otherwise than from the top using belt or chain conveyors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for
    • G01D21/02—Measuring two or more variables by means not covered by a single other subclass
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/22—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for apportioning materials by weighing prior to mixing them
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/04—Bulk
    • B65G2201/042—Granular material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
    • B65G2203/02—Control or detection
    • B65G2203/0208—Control or detection relating to the transported articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
    • B65G2203/04—Detection means
    • B65G2203/042—Sensors

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  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)

Abstract

In order to make up the above-mentioned weak point of prior art, the measuring accuracy of material and the working condition of material transferring that adhesive aggregation phenomenon be present are improved, the invention provides a kind of automatic batching system, including：Material storage silo, for storing the material to be transmitted to rotary kiln；Material transferring band, for receiving material waiting for transmission from material storage silo；Automatic blending information acquisition device, for the weight of material information as dispensing, and the work information of the material storage silo and material transferring band to be detected and obtained to the material storage silo and material transferring band；Equipment for treating materials, material therein is put into for handling the material transferring band.Operation requirement is launched for the high-precision of granular material in being produced present invention accomplishes modernization industry, improves the intelligence degree that material is launched and measured.

Description

A kind of automatic batching system
Technical field
The present invention relates to industrial production line field of measuring techniques, more particularly, to a kind of automatic batching system.
Background technology
In construction machinery industry, many places will use the metering to material (i.e. raw material), such as in manufacture of cement The measure control of flyash addition, and in Modern New building materials superfine powder and the measure control of additive etc., to these powder The measure control of body material, none does not play vital effect to the Yield and quality of cement industry product.Therefore how to protect Stability, quick responding ability and shot and long term precision of the granular material during measure control are demonstrate,proved, is cement industry development So far it must face and solve the problems, such as always.
The mobility of most of granular materials is influenceed by moisture and inflation.It is typically due to material and hoards adsorption moisture to make The mobility for obtaining powder material is deteriorated, and shows that material tends to adhesive aggregation and has larger tack, its bigger tack of moisture is more By force, mobility is poorer so that funnel-form is usually presented in the flow region of powder layer in storehouse, i.e., only feed bin middle body forms material Stream, and the powder in other regions or stream order it is disorderly or stagnate it is motionless, produce flow out after the material first added " after advanced Go out " phenomenon, this liquid form is referred to as funnel stream.Funnel stream can cause segregation, slug, caking, blanking changing bulk density etc. no Good phenomenon, these phenomenons can cause the maximum error of measuring accuracy.On the other hand, dry or the granular material with air-flow Mobility is extremely strong, and showing as material tends to from overflowing (self drainage), and air content is bigger, and its mobility is stronger.
In the prior art, for example, Application No. CN201110023400.0 Chinese invention patent application discloses one kind Material metering control method and material measuring controller, wherein, the material metering control method comprises the following steps：Metering is opened Beginning step, material bin measuring gate is opened, the material in material bin is fallen to weighing balance, and start recording Dose times (t)；Material The determination step of storehouse measuring gate shut-in time point, by PLC target weight of material (mB) as needed, using linear or Non-linear regression method, the now time point (tA) of calculating determination material bin measuring gate closing and the weight of material in weighing balance (mA)；Material bin measuring gate closes step, as Dose times arrival time tA, or when the weight of material in weighing balance is equal to During mA, material bin measuring gate is closed.
In modernization industry production process, it may be desirable to which ingredients by weight can be automated, is accurately determined.However, For these reasons, it can not still solve the accurate metering of the weight of the material for above-mentioned poor fluidity.
The content of the invention
In order to make up the above-mentioned weak point of prior art, the measuring accuracy and thing of the material that adhesive aggregation phenomenon be present are improved Expect the working condition of transmission, so that industrial production possesses the automatic blending ability for this material, the invention provides one Kind automatic batching system, including：Automatic batching system, it is characterised in that including：
Material storage silo, for storing the material to be transmitted to rotary kiln；
Material transferring band, for receiving material waiting for transmission from material storage silo；
Automatic blending information acquisition device, for being detected to the material storage silo and material transferring band and obtaining work For the weight of material information of dispensing, and the work information of the material storage silo and material transferring band；
Equipment for treating materials, material therein is put into for handling the material transferring band.
Further, the automatic blending information acquisition device includes：
Temperature and humidity detection unit, for the temperature and humidity information according to material storage silo；
Pressure sensing cell, for detecting the pressure information received in material transmission belt；
Weight determining unit, for the information according to temperature and humidity detection unit and pressure sensing cell detection, it is determined that The weight of the material passed out by above-mentioned transmission belt.
Further, temperature and humidity detection unit includes：
Material storage silo detection sub-unit, for the M diverse location around material storage silo outwardly and inwardly, detection is deposited Warehouse interior environment temperatureAmbient temperatureInterior humidityAnd outer moistureWherein M, N are the natural number more than 1；
Material transferring band detection sub-unit, for along N number of diverse location of the material transferring with fixed mount bottom, detecting material The temperature of transmission belt local environmentAnd humidity
Further, the weight determining unit includes：
The material density determination subelement of transmission belt is fallen into, the density p of the material for determining to fall into transmission belt：If material Density when entering storage silo is ρ0It is T in the time span of storage silo memory storageStorageHour, then
Material storage silo pressure change detection sub-unit, for detecting the pressure change, elta G of material storage silo；
The cumulative volume V determining units of material on material transferring band, for obtaining the material being passed in transmission belt Cumulative volume V, wherein
First detection sub-unit, for the first moment of material transferring band will to be transferred to from storage silo in material, inspection Survey the input power of transmission beltAnd the pressure that the L diverse location detection transmission belt in transmission belt bottom is subject toAnd the thickness of the transmission belt surface material of the predetermined position of transmission beltWherein L is the natural number more than 1；
Second detection sub-unit, for material will by from material transferring band put into rotary kiln before the second moment, Detect the power output of transmission beltAnd the pressure that the L diverse location detection transmission belt in transmission belt bottom is subject to Power
Second moment weight of material determination subelement, for determining the weight of material at above-mentioned second moment：
First moment transmission belt surface residuals weight determination subelement, for determining the transmission belt at above-mentioned first moment The weight of remained on surface materialWherein P0Represent transmission belt it is upper be once cleaned after detection Pressure value；
3rd detection sub-unit, for material by from material transferring band put into rotary kiln after, material transferring band again The 3rd moment of material transferring band will be transferred to from storage silo by returning to material, and the L diverse location in transmission belt bottom is examined Survey the pressure that transmission belt is subject toAnd the thickness of the transmission belt surface material of the predetermined position of transmission beltIt is determined that The weight of transmission belt surface residuals
Put into weight of material and confirm subelement, for being transmitted band input rotary kiln between the second moment and the 3rd moment Weight of material
Material transferring operating mode determination subelement, for determining
Whether exceed predetermined threshold value, if exceeding, stop the work of above-mentioned material transferring band, material transferring band is carried out clear Reason, and whether the working condition for detecting the above-mentioned pressure of measurement, the equipment of the value of temperature and humidity or device is normal.
Further, the thickness of the surface mass of the transmission belt is detected by infrared sensor and obtained and by infrared sensing The characterization that device detects.
The beneficial effects of the invention are as follows：The present invention has obtained the cohesiveness granular substance such as cement by lot of experiments, research Expect by the temperature, humidity and the variable density on material transferring band in transmitting procedure for taking up environment, and and then according to work( The factors such as the thickness of rate, density and transmission belt residue determine whether material transferring operating mode is normal, if need to overhaul material biography The sensor of defeated band and material storage silo, launched so as to meet the high accuracy in modernization industry production for granular material Operation requires, improves the intelligence degree that material is launched and measured.
Brief description of the drawings
Fig. 1 shows the composition structured flowchart of the automatic batching system according to the present invention.
Fig. 2 shows the composition structured flowchart of the automatic blending information acquisition device according to the present invention.
Embodiment
As shown in Fig. 2 the automatic batching system of the present invention, including：
Material storage silo, for storing the material to be transmitted to rotary kiln；
Material transferring band, for receiving material waiting for transmission from material storage silo；
Automatic blending information acquisition device, for being detected to the material storage silo and material transferring band and obtaining work For the weight of material information of dispensing, and the work information of the material storage silo and material transferring band；
Equipment for treating materials, material therein is put into for handling the material transferring band.
According to the present invention, as shown in Fig. 2 the automatic blending information acquisition device includes：
Temperature and humidity detection unit, for the temperature and humidity information according to material storage silo；
Pressure sensing cell, for detecting the pressure information received in material transmission belt；
Weight determining unit, for the information according to temperature and humidity detection unit and pressure sensing cell detection, it is determined that The weight of the material passed out by above-mentioned transmission belt.
Wherein, temperature and humidity detection unit includes：
Material storage silo detection sub-unit, for the M diverse location around material storage silo outwardly and inwardly, detection is deposited Warehouse interior environment temperatureAmbient temperatureInterior humidityAnd outer moistureWherein M, N are the natural number more than 1；
Material transferring band detection sub-unit, for along N number of diverse location of the material transferring with fixed mount bottom, detecting material The temperature of transmission belt local environmentAnd humidity
According to a preferred embodiment of the invention, the weight determining unit includes：
The material density determination subelement of transmission belt is fallen into, the density p of the material for determining to fall into transmission belt：If material Density when entering storage silo is ρ0It is T in the time span of storage silo memory storageStorageHour, then
Material storage silo pressure change detection sub-unit, for detecting the pressure change, elta G of material storage silo；Here pressure Power change is to detect material storage silo to the pressure change on ground by using such as pressure sensor to obtain.
The cumulative volume V determining units of material on material transferring band, for obtaining the material being passed in transmission belt Cumulative volume V, wherein
First detection sub-unit, for the first moment of material transferring band will to be transferred to from storage silo in material, inspection Survey the input power of transmission beltAnd the pressure that the L diverse location detection transmission belt in transmission belt bottom is subject toAnd the thickness of the transmission belt surface material of the predetermined position of transmission beltWherein L is the natural number more than 1；
Second detection sub-unit, for material will by from material transferring band put into rotary kiln before the second moment, Detect the power output of transmission beltAnd the pressure that the L diverse location detection transmission belt in transmission belt bottom is subject to Power
Second moment weight of material determination subelement, for determining the weight of material at above-mentioned second moment：
First moment transmission belt surface residuals weight determination subelement, for determining the transmission belt at above-mentioned first moment The weight of remained on surface materialWherein P0Represent transmission belt it is upper be once cleaned after detection Pressure value；
3rd detection sub-unit, for material by from material transferring band put into rotary kiln after, material transferring band again The 3rd moment of material transferring band will be transferred to from storage silo by returning to material, and the L diverse location in transmission belt bottom is examined Survey the pressure that transmission belt is subject toAnd the thickness of the transmission belt surface material of the predetermined position of transmission beltIt is determined that The weight of transmission belt surface residuals
Put into weight of material and confirm subelement, for being transmitted band input rotary kiln between the second moment and the 3rd moment Weight of material
Material transferring operating mode determination subelement, for determining
Whether exceed predetermined threshold value, if exceeding, stop the work of above-mentioned material transferring band, material transferring band is carried out clear Reason, and whether the working condition for detecting the above-mentioned pressure of measurement, the equipment of the value of temperature and humidity or device is normal.
Temperature, humidity and pressure in the present invention use corresponding temperature sensor, humidity sensor and pressure sensing Device detects.Wherein, when detecting pressure, it should be ensured that pressure sensor receives pressure substantially downwardly during detection, that is, ensures During detecting herein the one side of material transferring band carrying material should essentially toward top (i.e. during dispensing) rather than Downward (i.e. during once dispensing finishes preparation dispensing next time).
It should be noted that it is in terms of thickness unit (such as mm) that the thickness of the surface mass of transmission belt, which is not, in the present invention The physical quantity of amount, but the strong and weak physical quantity characterized of the signal detected by infrared probe, i.e., thickness of the invention is logical Cross what infrared sensor detection obtained.Specifically, it is (such as saturating that the preferable structure of translucency is provided with the fixed position of transmission belt The good flexible fiber of photosensitiveness, flexible rubber etc.), side is fixed with infrared emission probe under this structure, is needing to detect thickness Above the transmission belt of position, with being provided with infrared receiver probe on the infrared emitting direction of the infrared emission probe.It is infrared to connect Probe is received according to the infrared signal intensity received, characterizes above-mentioned thickness.
In addition, material alleged in the application is primarily referred to as the graininess such as cement, is easily influenceed and produced by temperature and humidity The material of adhesive aggregation phenomenon.
The narration made above for presently preferred embodiments of the present invention is the purpose to illustrate, and is not intended to limit essence of the invention It is really disclosed form, based on teaching above or learns from embodiments of the invention and make an amendment or change to be possible , embodiment is to explain the principle of the present invention and allowing those skilled in the art to exist with various embodiments using the present invention Selected in practical application and narration, technological thought of the invention attempt to be determined by claim and its equalization.

Claims (1)

  1. A kind of 1. automatic batching system, it is characterised in that including：
    Material storage silo, for storing the material to be transmitted to rotary kiln；
    Material transferring band, for receiving material waiting for transmission from material storage silo；
    Automatic blending information acquisition device, for being detected and being obtained to the material storage silo and material transferring band as matching somebody with somebody The weight of material information of material, and the work information of the material storage silo and material transferring band；
    Equipment for treating materials, material therein is put into for handling the material transferring band；
    The automatic blending information acquisition device includes：
    Temperature and humidity detection unit, for detecting the temperature and humidity information of material storage silo；
    Pressure sensing cell, for detecting the pressure information received in material transmission belt；
    Weight determining unit, for the information according to temperature and humidity detection unit and pressure sensing cell detection, it is determined that upper State the weight for the material that transmission belt passes out；
    Temperature and humidity detection unit includes：
    Material storage silo detection sub-unit, for the M diverse location around material storage silo outwardly and inwardly, detect storage silo Interior environment temperatureAmbient temperatureInterior humidityAnd outer moistureIts Middle M, N are the natural number more than 1；
    Material transferring band detection sub-unit, for along N number of diverse location of the material transferring with fixed mount bottom, detecting material transferring Temperature with local environmentAnd humidity
    The weight determining unit includes：
    The material density determination subelement of transmission belt is fallen into, the density p of the material for determining to fall into transmission belt：If material is entering Density when entering storage silo is ρ0It is T in the time span of storage silo memory storageStorageHour, then
    Material storage silo pressure change detection sub-unit, for detecting the pressure change, elta G of material storage silo；
    The cumulative volume V determining units of material on material transferring band, for obtaining the totality for the material being passed in transmission belt Product V, wherein
    First detection sub-unit, for that will be transferred to the first moment of material transferring band from storage silo in material, detection passes The input power of defeated bandAnd the pressure that the L diverse location detection transmission belt in transmission belt bottom is subject to And the thickness of the transmission belt surface material of the predetermined position of transmission beltWherein L is the natural number more than 1；
    Second detection sub-unit, for will be detected in material by the second moment before putting into rotary kiln from material transferring band The power output of transmission beltAnd the pressure that the L diverse location detection transmission belt in transmission belt bottom is subject to
    Second moment weight of material determination subelement, for determining the weight of material at above-mentioned second moment：
    First moment transmission belt surface residuals weight determination subelement, for determining the transmission belt surface at above-mentioned first moment The weight of residualsWherein P0Represent transmission belt it is upper be once cleaned after the pressure that detects Force value；
    3rd detection sub-unit, for after being put into rotary kiln from material transferring band in material, material transferring band turns again to Material will be transferred to the 3rd moment of material transferring band from storage silo, and the L diverse location in transmission belt bottom, which detects, to be passed The pressure that defeated band is subject toAnd the thickness of the transmission belt surface material of the predetermined position of transmission beltIt is determined that transmission The weight of belt surface residuals
    Put into weight of material and confirm subelement, for being transmitted the thing with input rotary kiln between the second moment and the 3rd moment Expect weight
    Material transferring operating mode determination subelement, for determining
    Whether exceed predetermined threshold value, if exceeding, stop the work of above-mentioned material transferring band, material transferring band is cleared up, And whether the working condition for detecting the above-mentioned pressure of measurement, the equipment of the value of temperature and humidity or device is normal；
    The thickness of the surface mass of the transmission belt detects the letter for obtaining and being detected by infrared sensor by infrared sensor Number characterize.
CN201610257508.9A 2016-04-22 2016-04-22 A kind of automatic batching system Expired - Fee Related CN105731027B (en)

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Application Number Priority Date Filing Date Title
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111123874B (en) * 2019-12-30 2020-12-11 杭州电子科技大学 Fractional-order LQG-reference-based method for determining performance of rotary cement kiln in firing process
CN115337849A (en) * 2022-06-29 2022-11-15 深圳市艾普生物科技有限公司 Tobacco tar automatic blending system and method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0349975A2 (en) * 1988-07-08 1990-01-10 Pfister GmbH Process for checking and controlling of a conveyor belt feeder or a conveyor belt weight feeder and processing apparatus
CN202245038U (en) * 2011-08-09 2012-05-30 重庆庆龙精细锶盐化工有限公司 Automatic weighing and transmitting device for distribution bin
DE102014101558A1 (en) * 2013-11-08 2015-05-13 Sartorius Lab Instruments Gmbh & Co. Kg Precision balance with removable climate module
CN104949748A (en) * 2014-03-31 2015-09-30 宝钢不锈钢有限公司 Method for self-testing of electronic belt weighing in real-time and online way
CN105217280A (en) * 2015-09-17 2016-01-06 苏州新协力特种工业模板有限公司 A kind of belted electronic balance automatic recipe maker

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0349975A2 (en) * 1988-07-08 1990-01-10 Pfister GmbH Process for checking and controlling of a conveyor belt feeder or a conveyor belt weight feeder and processing apparatus
CN202245038U (en) * 2011-08-09 2012-05-30 重庆庆龙精细锶盐化工有限公司 Automatic weighing and transmitting device for distribution bin
DE102014101558A1 (en) * 2013-11-08 2015-05-13 Sartorius Lab Instruments Gmbh & Co. Kg Precision balance with removable climate module
CN104949748A (en) * 2014-03-31 2015-09-30 宝钢不锈钢有限公司 Method for self-testing of electronic belt weighing in real-time and online way
CN105217280A (en) * 2015-09-17 2016-01-06 苏州新协力特种工业模板有限公司 A kind of belted electronic balance automatic recipe maker

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