CN105890723B - Material metering information collecting method - Google Patents
Material metering information collecting method Download PDFInfo
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- CN105890723B CN105890723B CN201610255622.8A CN201610255622A CN105890723B CN 105890723 B CN105890723 B CN 105890723B CN 201610255622 A CN201610255622 A CN 201610255622A CN 105890723 B CN105890723 B CN 105890723B
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- China
- Prior art keywords
- conveyor
- storage silo
- moment
- pressure
- weight
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Classifications
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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, the measuring accuracy of material and the working status of material transferring there are adhesive aggregation phenomenon are improved, the present invention provides a kind of material metering information collecting method, including：According to the temperature and humidity information of material storage silo；The pressure information received in detection material conveyor；Determine the weight of material passed out by above-mentioned conveyor.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
Technical field
The present invention relates to industrial production line field of measuring techniques, more particularly, to a kind of material metering information collection side
Method.
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 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 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 influenced be subject to 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 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 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 measuring accuracy.On the other hand, granular material dry or with air-flow
Mobility is extremely strong, and showing as material tends to from overflowing (self drainage), and air content is bigger, its mobility is stronger.
In the prior art, for example, the Chinese invention patent application of Application No. CN201110023400.0 discloses one kind
Material metering control method and material measuring controller, wherein, which comprises the following steps：Metering is opened
Beginning step, opens material bin measuring gate, the material in material bin is fallen to weighing balance, and start recording Dose times (t)；Material
The definite step of storehouse measuring gate shut-in time point, by PLC controller target weight of material (mB) as needed, using linear or
Non-linear regression method, the at this time time point (tA) of the definite material bin measuring gate closing of calculating 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.However, for these reasons, it can not still solve the material for above-mentioned poor fluidity
Weight accurate metering.
The content of the invention
In order to make up the above-mentioned shortcoming of the prior art, the measuring accuracy and thing of the material there are adhesive aggregation phenomenon are improved
Expect the working status of transmission, the present invention provides a kind of material metering information collecting method, including：
According to the temperature and humidity information of material storage silo；
The pressure information received in detection material conveyor；
Determine the weight of material passed out by above-mentioned conveyor.
Further, included according to the temperature and humidity information of material storage silo：
Around the M diverse location of material storage silo outwardly and inwardly, storage silo interior environment temperature is detected
Ambient temperatureInterior humidityAnd outer moisture
Along N number of diverse location of the material transferring with fixed frame bottom, the temperature of detection material conveyor local environmentAnd humidityWherein M, N are the natural number more than 1.
Further, the weight of the material for determining to be passed out by above-mentioned conveyor includes：
(1) determine to fall into the density p of the material of conveyor：If density of the material when entering storage silo is ρ0In storage silo
The time span of memory storage is TStorageHour, then
(2) the pressure change, elta G of material storage silo is detected；
(3) the cumulative volume V for the material being passed in conveyor is obtained, wherein
(4) the first moment of material transferring band will be transferred to from storage silo in material, detects the input work of conveyor
RateAnd the pressure that the L diverse location detection conveyor in conveyor bottom is subject toAnd conveyor
The thickness of the transmission belt surface material of predetermined positionWherein L is the natural number more than 1；
(5) conveyor will be detected by the second moment before putting into equipment for treating materials from material transferring band in material
Output powerAnd the pressure that the L diverse location detection conveyor in conveyor bottom is subject to
(6) weight of material at above-mentioned second moment is determined：
(7) weight of the transmission belt surface residuals at above-mentioned first moment is determinedIts
Middle P0Represent conveyor it is upper be once cleaned after the pressure value that detects；
(8) material by from material transferring band put into equipment for treating materials after, material transferring band turn again to material i.e.
The 3rd moment of material transferring band will be transferred to from storage silo, conveyor bottom L diverse location detection conveyor by
The pressure arrivedAnd the thickness of the transmission belt surface material of the predetermined position of conveyorDetermine transmission belt surface
The weight of residuals
(9) equipment for treating materials with input including rotary kiln is transmitted between the second moment and the 3rd moment
Weight of material
(10) determine
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 status 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 conveyor 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 a large number of experiments, research
Material is subject to take up the temperature of environment, humidity and the variable density on material transferring band in transmitting procedure, and and then according to work(
The factors such as the thickness of rate, density and conveyor residue determine whether material transferring operating mode is normal, if need to overhaul material biography
The sensor of defeated band and material storage silo, so that the high accuracy met in modernization industry production for granular material is launched
Operation requires, and improves the intelligence degree that material is launched and measured.
Brief description of the drawings
Fig. 1 shows the flow chart of material metering information collecting method according to the present invention.
Embodiment
As shown in Figure 1, the material metering information collecting method of the present invention, including：
According to the temperature and humidity information of material storage silo；
The pressure information received in detection material conveyor；
Determine the weight of material passed out by above-mentioned conveyor.
The above-mentioned temperature and humidity information according to material storage silo includes：
Around the M diverse location of material storage silo outwardly and inwardly, storage silo interior environment temperature is detected
Ambient temperatureInterior humidityAnd outer moisture
Along N number of diverse location of the material transferring with fixed frame bottom, the temperature of detection material conveyor local environmentAnd humidityWherein M, N are the natural number more than 1.
The weight of the material for determining to be passed out by above-mentioned conveyor includes：
(1) according to the temperature and humidity information of material storage silo, variable density of the acquisition there are the material of adhesive aggregation phenomenon；
(2) pressure that detection conveyor is subject to；
(3) determine to leave the weight of the material of conveyor and the quality of transmission belt surface residuals；
(4) when the transmission belt surface residuals thickness detected exceedes predetermined threshold value, material transmission operation is stopped simultaneously
Clear up conveyor.
Specifically, according to a preferred embodiment of the invention, the weight of the material for determining to be passed out by above-mentioned conveyor
Including：
(1) determine to fall into the density p of the material of conveyor：If density of the material when entering storage silo is ρ0In storage silo
The time span of memory storage is TStorageHour, then
(2) the pressure change, elta G of material storage silo is detected.Here pressure change is by detecting material storage silo over the ground
The pressure change in face obtains.
(3) the cumulative volume V for the material being passed in conveyor is obtained, wherein
(4) the first moment of material transferring band will be transferred to from storage silo in material, detects the input work of conveyor
RateAnd the pressure that the L diverse location detection conveyor in conveyor bottom is subject toAnd conveyor
The thickness of the transmission belt surface material of predetermined positionWherein L is the natural number more than 1；
(5) when material will be by second before putting into equipment for treating materials (such as rotary kiln) from material transferring band
Carve, detect the output power of conveyorAnd the L diverse location in conveyor bottom detects what conveyor was subject to
Pressure
(6) weight of material at above-mentioned second moment is determined：
(7) weight of the transmission belt surface residuals at above-mentioned first moment is determinedIts
Middle P0Represent conveyor it is upper be once cleaned after the pressure value that detects；
(8) material by after material transferring band input equipment for treating materials (such as rotary kiln), material transferring band again
The secondary material that returns to will be transferred to the 3rd moment of material transferring band, the L diverse location in conveyor bottom from storage silo
The pressure that detection conveyor is subject toAnd the thickness of the transmission belt surface material of the predetermined position of conveyorReally
Determine the weight of transmission belt surface residuals
(9) material with input equipment for treating materials (such as rotary kiln) is transmitted between the second moment and the 3rd moment
Weight
(10) determine
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 status 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 conveyor, which is not, in the present invention
The physical quantity of amount, but the physical quantity of the strong and weak characterization 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 conveyor
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 conveyor 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 influenced 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 the embodiment of the present 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 material metering information collecting method, including：
According to the temperature and humidity information of material storage silo, variable density of the acquisition there are the material of adhesive aggregation phenomenon；
The pressure information received in detection material conveyor；
Determine the weight of material passed out by above-mentioned conveyor；
Included according to the temperature and humidity information of material storage silo：
Around the M diverse location of material storage silo outwardly and inwardly, storage silo interior environment temperature is detectedIt is exterior
Environment temperatureInterior humidityAnd outer moisture
Along N number of diverse location of the material transferring with fixed frame bottom, the temperature of detection material conveyor local environmentWith
HumidityWherein M, N are the natural number more than 1；
The weight of the material for determining to be passed out by above-mentioned conveyor includes：
(1) determine to fall into the density p of the material of conveyor：If density of the material when entering storage silo is ρ0, material is in storage silo
The time span of memory storage is TStorageHour, then
(2) the pressure change, elta G of material storage silo is detected；
(3) the cumulative volume V for the material being passed in conveyor is obtained, wherein
(4) the first moment of material transferring band will be transferred to from storage silo in material, detects the input power of conveyorAnd the pressure that the L diverse location detection conveyor in conveyor bottom is subject toAnd conveyor is pre-
If the thickness of the transmission belt surface material at positionWherein L is the natural number more than 1；
(5) the defeated of conveyor will be detected by the second moment before putting into equipment for treating materials from material transferring band in material
Go out powerAnd the pressure that the L diverse location detection conveyor in conveyor bottom is subject to
(6) weight of material at above-mentioned second moment is determined：
(7) weight of the transmission belt surface residuals at above-mentioned first moment is determinedWherein P0Table
Show conveyor it is upper be once cleaned after the pressure value that detects；
(8) after material is put into equipment for treating materials from material transferring band, material transferring band turns again to material will be by
The 3rd moment of material transferring band is transferred to from storage silo, what the L diverse location detection conveyor in conveyor bottom was subject to
PressureAnd the thickness of the transmission belt surface material of the predetermined position of conveyorDetermine conveyor
The weight of remained on surface material
(9) weight of material with input equipment for treating materials is transmitted between the second moment and the 3rd moment
(10) determine
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 status 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 conveyor detects the letter for obtaining and being detected by infrared sensor by infrared sensor
Number characterization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610255622.8A CN105890723B (en) | 2016-04-22 | 2016-04-22 | Material metering information collecting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610255622.8A CN105890723B (en) | 2016-04-22 | 2016-04-22 | Material metering information collecting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105890723A CN105890723A (en) | 2016-08-24 |
| CN105890723B true CN105890723B (en) | 2018-04-27 |
Family
ID=56704480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610255622.8A Expired - Fee Related CN105890723B (en) | 2016-04-22 | 2016-04-22 | Material metering information collecting method |
Country Status (1)
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101807062A (en) * | 2010-03-11 | 2010-08-18 | 中钢集团鞍山热能研究院有限公司 | Stock bin control system |
| DE102014101558A1 (en) * | 2013-11-08 | 2015-05-13 | Sartorius Lab Instruments Gmbh & Co. Kg | Precision balance with removable climate module |
| CN104609212A (en) * | 2014-12-08 | 2015-05-13 | 徐州徐工筑路机械有限公司 | Powder residual amount monitoring method and device |
| 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 |
-
2016
- 2016-04-22 CN CN201610255622.8A patent/CN105890723B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101807062A (en) * | 2010-03-11 | 2010-08-18 | 中钢集团鞍山热能研究院有限公司 | Stock bin control system |
| 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 |
| CN104609212A (en) * | 2014-12-08 | 2015-05-13 | 徐州徐工筑路机械有限公司 | Powder residual amount monitoring method and device |
| 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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| Publication number | Publication date |
|---|---|
| CN105890723A (en) | 2016-08-24 |
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Granted publication date: 20180427 Termination date: 20190422 |