CN105928595B - Weighing-up wave acquisition method - Google Patents
Weighing-up wave acquisition method Download PDFInfo
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- CN105928595B CN105928595B CN201610257515.9A CN201610257515A CN105928595B CN 105928595 B CN105928595 B CN 105928595B CN 201610257515 A CN201610257515 A CN 201610257515A CN 105928595 B CN105928595 B CN 105928595B
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- transmission belt
- weight
- storage silo
- transferring band
- moment
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G11/00—Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
In order to make up the above-mentioned shortcoming of the prior art, there are the working conditions of the weighing precision of the material of adhesive aggregation phenomenon and material transferring for raising, and the present invention provides a kind of weighing-up wave acquisition methods, including：Determine the volume of material that transmission belt is fallen into from storage silo；It determines the weight for putting into the material of the density, adhesive aggregation of equipment for treating materials in transmission belt from transmission belt, and determines therefrom that the weight of the cohesiveness material transferred out by material transferring band.Operation is launched for the high-precision of granular material to require, improve the intelligence degree that material is launched and weighs in producing present invention accomplishes modernization industry.
Description
Technical field
The present invention relates to material metering technical fields, more particularly, to a kind of weighing-up wave acquisition method.
Background technology
In construction machinery industry, many places will use weighing to material (i.e. raw material), such as in manufacture of cement
The Weighing control of flyash addition, and in the Weighing control etc. of Modern New building materials superfine powder and additive, to these powder
The Weighing control of body material, none does not play a crucial role 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 Weighing 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 influenced 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 adhesion, its bigger adhesion 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 center portion forms material
Stream, and the powder in other regions or stream sequence it is disorderly or stagnate it is motionless, generate flow out after the material being first added " after advanced
Go out " the phenomenon that, this liquid form is known 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 weighing precision.On the other hand, granular material dry or with air-flow
Mobility is extremely strong, shows as material and tends to from overflowing (self drainage), air content is bigger, and mobility is stronger.
In the prior art, for example, the Chinese invention patent application application No. is CN201310035535.8 discloses one kind
The dynamic weighing method and its system of fluid liquid material, belong to fluid weighing field, dynamic weighing method by fluid impingement force,
The principal element of the two influence measuring accuracies of drop amount and speed participates in the dosage compensation calculating of fluid foods, with metering
The false weight of master scale output considers, and carries out the calculating of fluid actual weight；Dynamic weighing system goes out inlet valve
The output end connection metering units of setting speed sensor, speed sensor, human-computer interaction module pass through the ports I/O and meter at mouthful
Unit connection is measured, metering units connect dosage compensation unit, the output end connection of dosage compensation unit with the output end of weigher
Controller.
However, this scheme can not still solve the problems, such as the correct amount for cohesiveness material.
Invention content
In order to make up the above-mentioned shortcoming of the prior art, correct amount is there are the material of adhesive aggregation phenomenon and determines material
The working condition of relevant device in transmission process, the present invention provides a kind of weighing-up wave acquisition methods, pass through object for determination
The weight for the cohesiveness material that material transmission belt transfers out, this method include：
Determine the volume of material that transmission belt is fallen into from storage silo；
Determine the weight that the material of the density, adhesive aggregation of equipment for treating materials in transmission belt is put into from transmission belt, and accordingly
Determine the weight of the cohesiveness material transferred out by material transferring band.
Further, it is determined that the volume of material for falling into transmission belt from storage silo includes：
Determine the density p for the material for falling into transmission belt：If density of the material when entering storage silo is ρ0, material storing
The time span stored in storehouse is TStorageHour, then
Detect the pressure change, elta G of material storage silo；
The total volume V for being passed to the material in transmission belt is obtained, wherein
Further, the determination puts into the material of the density, adhesive aggregation of equipment for treating materials in transmission belt from transmission belt
Weight, and determine therefrom that the weight of the cohesiveness material transferred out by material transferring band includes：
(1) the M different location of material storage silo outwardly and inwardly is surrounded, storage silo interior environment temperature is detectedAmbient temperatureInterior humidityAnd outer moisture
(2) along N number of different location of the material transferring with fixed frame bottom, the temperature of material transmission belt local environment is detectedAnd humidityWherein M, N are the natural number more than 1.
(3) the first moment of material transferring band will be transferred to from storage silo in material, detects the input work of transmission belt
RateAnd the pressure that the L different location detection transmission belt in transmission belt bottom is subject toAnd transmission belt
The thickness of the transmission belt surface substance of predetermined positionWherein L is the natural number more than 1；
(4) will the output of transmission belt be detected by the second moment before putting into rotary kiln from material transferring band in material
PowerAnd the pressure that the L different location detection transmission belt in transmission belt bottom is subject to
(5) weight of material at above-mentioned second moment is determined：
(6) weight of the transmission belt surface residuals at above-mentioned first moment is determinedIts
Middle P0Indicate transmission belt it is upper it is primary be cleaned after the pressure value that detects；
(7) material by from material transferring band put into rotary kiln after, material transferring band turn again to material will by from
Storage silo is transferred to the third moment of material transferring band, the pressure that the L different location detection transmission belt in transmission belt bottom is subject to
PowerAnd the thickness of the transmission belt surface substance of the predetermined position of transmission beltDetermine transmission belt table
The weight of face residuals
(8) weight of material with input rotary kiln is transmitted between the second moment and third moment
(9) it determines
Whether more than predetermined threshold value stop the work of above-mentioned material transferring band if being more than, 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 is 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 a large number of experiments, research
Expect by temperature, humidity and the variable density on material transferring band in transmission process for installing environment, and in turn 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, to meet in modernization industry production for the high-precision of cohesiveness granular material
Degree is launched operation and is required, and the intelligence degree that material is launched and weighs is improved.
Description of the drawings
Fig. 1 shows the flow chart of weighing-up wave acquisition method according to the present invention.
Specific implementation mode
As shown in Figure 1, the weighing-up wave acquisition method of the present invention, including：
Determine the volume of material that transmission belt is fallen into from storage silo；
Determine the weight that the material of the density, adhesive aggregation of equipment for treating materials in transmission belt is put into from transmission belt, and accordingly
Determine the weight of the cohesiveness material transferred out by material transferring band.
Wherein it is determined that the volume of material for falling into transmission belt from storage silo includes：
Determine the density p for the material for falling into transmission belt：If density of the material when entering storage silo is ρ0, material storing
The time span stored in storehouse is TStorageHour, then
Detect the pressure change, elta G of material storage silo；Here pressure change is examined by using such as pressure sensor
Survey what material storage silo obtained the pressure change on ground.
The total volume V for being passed to the material in transmission belt is obtained, wherein
According to a preferred embodiment of the invention, the determination is from transmission belt puts into the density of equipment for treating materials, adhesive aggregation exists
The weight of material in transmission belt, and determine therefrom that the weight of the cohesiveness material transferred out by material transferring band includes：
(1) the M different location of material storage silo outwardly and inwardly is surrounded, storage silo interior environment temperature is detectedAmbient temperatureInterior humidityAnd outer moisture
(2) along N number of different location of the material transferring with fixed frame bottom, the temperature of material transmission belt local environment is detectedAnd humidityWherein M, N are the natural number more than 1.
(3) the first moment of material transferring band will be transferred to from storage silo in material, detects the input work of transmission belt
RateAnd the pressure that the L different location detection transmission belt in transmission belt bottom is subject toAnd transmission belt
The thickness of the transmission belt surface substance of predetermined positionWherein L is the natural number more than 1；
(4) will the output of transmission belt be detected by the second moment before putting into rotary kiln from material transferring band in material
PowerAnd the pressure that the L different location detection transmission belt in transmission belt bottom is subject to
(5) weight of material at above-mentioned second moment is determined：
(6) weight of the transmission belt surface residuals at above-mentioned first moment is determinedIts
Middle P0Indicate transmission belt it is upper it is primary be cleaned after the pressure value that detects；
(7) material by from material transferring band put into rotary kiln after, material transferring band turn again to material will by from
Storage silo is transferred to the third moment of material transferring band, the pressure that the L different location detection transmission belt in transmission belt bottom is subject to
PowerAnd the thickness of the transmission belt surface substance of the predetermined position of transmission beltDetermine transmission belt table
The weight of face residuals
(8) weight of material with input rotary kiln is transmitted between the second moment and third moment
(9) it determines
Whether more than predetermined threshold value stop the work of above-mentioned material transferring band if being more than, 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 are all made of 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
Herein detect during material transferring band carrying material one side should essentially toward top (i.e. during dispensing) rather than
Downward (i.e. during primary dispensing finishes preparation and launches next time).
It should be noted that the thickness of the surface mass of transmission belt is not in terms of thickness unit (such as mm) 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
It is detected to cross infrared sensor.Specifically, the fixed position of transmission belt be provided with the preferable structure of translucency (such as thoroughly
The good flexible fiber of photosensitiveness, flexible rubber etc.), side is fixed with infrared emission probe under this structure, is needing to detect thickness
It is provided with infrared receiver probe above the transmission belt of position, 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, so-called material is primarily referred to as the graininess such as cement, is easily influenced and generated by temperature and humidity in the application
The material of adhesive aggregation phenomenon.
It is above the purpose to illustrate for narration made by presently preferred embodiments of the present invention, and is not intended to limit essence of the invention
It is really disclosed form, learns and make an amendment or change to be possible based on above introduction or from the embodiment of the present invention
, embodiment is to explain the principle of the present invention and those skilled in the art being allowed to exist using the present invention with various embodiments
It is selected in practical application and narration, technological thought of the invention attempt is determined by claim and its equalization.
Claims (3)
1. a kind of weighing-up wave acquisition method, the weight for determining the cohesiveness material transferred out by material transferring band,
This method includes：
Determine the volume of material that transmission belt is fallen into from storage silo；
It determines the weight for putting into the material of the density, adhesive aggregation of equipment for treating materials in transmission belt from transmission belt, and determines therefrom that
By the weight for the cohesiveness material that material transferring band transfers out,
It is characterized in that, determining that the volume of material for falling into transmission belt from storage silo includes：
Determine the density p for the material for falling into transmission belt：If density of the material when entering storage silo is ρ0, material is in storage silo
The time span of storage is TStorageHour, then
Detect the pressure change, elta G of material storage silo；
The total volume V for being passed to the material in transmission belt is obtained, wherein
In the formula, storage silo interior environment temperature is represented asAmbient temperature is represented asIt is internal
Humidity is represented asOuter moisture is represented as
2. according to the method described in claim 1, it is characterized in that, the determination puts into the close of equipment for treating materials from transmission belt
The weight of degree, material of the adhesive aggregation in transmission belt, and determine therefrom that the cohesiveness material transferred out by material transferring band
Weight includes：
(1) the M different location of material storage silo outwardly and inwardly is surrounded, storage silo interior environment temperature is detectedOutside
Portion's environment temperatureInterior humidityAnd outer moisture
(2) along N number of different location of the material transferring with fixed frame bottom, the temperature of material transmission belt local environment is detectedAnd humidityWherein M, N are the natural number more than 1；
(3) the first moment of material transferring band will be transferred to from storage silo in material, detects the input power of transmission beltAnd the pressure that the L different location detection transmission belt in transmission belt bottom is subject toAnd transmission belt is pre-
If the thickness of the transmission belt surface substance at positionWherein L is the natural number more than 1；
(4) will the output power of transmission belt be detected by the second moment before putting into rotary kiln from material transferring band in materialAnd the pressure that the L different location detection transmission belt in transmission belt bottom is subject to
(5) weight of material at above-mentioned second moment is determined：
(6) weight of the transmission belt surface residuals at above-mentioned first moment is determinedWherein P0Table
Show transmission belt it is upper it is primary be cleaned after the pressure value that detects；
(7) after material is put into rotary kiln from material transferring band, material transferring band turns again to material will be by from storage
Storehouse is transferred to the third moment of material transferring band, the pressure that the L different location detection transmission belt in transmission belt bottom is subject toAnd the thickness of the transmission belt surface substance of the predetermined position of transmission beltDetermine transmission belt surface
The weight of residuals
(8) weight of material with input rotary kiln is transmitted between the second moment and third moment
(9) it determines
Whether stops the work of above-mentioned material transferring band if being more than more than predetermined threshold value, 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.
3. according to the method described in claim 2, it is characterized in that, the thickness of the surface mass of the transmission belt passes through infrared biography
The characterization that sensor detection is obtained and detected by infrared sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610257515.9A CN105928595B (en) | 2016-04-22 | 2016-04-22 | Weighing-up wave acquisition method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610257515.9A CN105928595B (en) | 2016-04-22 | 2016-04-22 | Weighing-up wave acquisition method |
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| Publication Number | Publication Date |
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| CN105928595A CN105928595A (en) | 2016-09-07 |
| CN105928595B true CN105928595B (en) | 2018-08-24 |
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| CN201610257515.9A Active CN105928595B (en) | 2016-04-22 | 2016-04-22 | Weighing-up wave acquisition method |
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| CN109335721A (en) * | 2018-10-19 | 2019-02-15 | 巴彦淖尔西部铜业有限公司 | A kind of measuring hoper glues mine processing method and system |
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| CN201425503Y (en) * | 2009-06-10 | 2010-03-17 | 北京中盛博方环保工程技术有限公司 | Miscellaneous material pile measuring system |
| CN102224399A (en) * | 2008-12-02 | 2011-10-19 | 尤尼威蒂恩技术有限责任公司 | Polymer finishing process |
| CN202126301U (en) * | 2011-06-24 | 2012-01-25 | 长沙盛泓机械有限公司 | Belt weigher adopting addition and subtraction weighing for burdening of concrete material |
| DE102014101558A1 (en) * | 2013-11-08 | 2015-05-13 | Sartorius Lab Instruments Gmbh & Co. Kg | Precision balance with removable climate module |
| CN104697616A (en) * | 2015-04-03 | 2015-06-10 | 武汉一冶钢结构有限责任公司 | Industrial fuel gas quality measurement device and method based on LabVIEW |
| 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 |
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2016
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102224399A (en) * | 2008-12-02 | 2011-10-19 | 尤尼威蒂恩技术有限责任公司 | Polymer finishing process |
| CN201425503Y (en) * | 2009-06-10 | 2010-03-17 | 北京中盛博方环保工程技术有限公司 | Miscellaneous material pile measuring system |
| CN202126301U (en) * | 2011-06-24 | 2012-01-25 | 长沙盛泓机械有限公司 | Belt weigher adopting addition and subtraction weighing for burdening of concrete material |
| 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 |
| CN104697616A (en) * | 2015-04-03 | 2015-06-10 | 武汉一冶钢结构有限责任公司 | Industrial fuel gas quality measurement device and method based on LabVIEW |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20180713 Address after: 074200 Yuanyan Village, Dalonghua Township, Yixian County, Baoding City, Hebei Province Applicant after: Hebei Jing Lan India Cements Limited Address before: 610041 No. 220, Zhong Bai Road, Zhong He street, hi tech Zone, Chengdu, Sichuan Applicant before: Chengdu Rui Tu Electronics Co., Ltd. |
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