CN103528646A - Calculating method of coal-conveying programmed control system individual warehouse metering - Google Patents
Calculating method of coal-conveying programmed control system individual warehouse metering Download PDFInfo
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- CN103528646A CN103528646A CN201310017054.4A CN201310017054A CN103528646A CN 103528646 A CN103528646 A CN 103528646A CN 201310017054 A CN201310017054 A CN 201310017054A CN 103528646 A CN103528646 A CN 103528646A
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Abstract
The invention provides a calculating method of coal-conveying programmed control system individual warehouse metering. The calculating method is characterized by comprising the following steps: shifting unit time is set, and a belt is simulated as a material element array; after the belt is operated, time T of a cycle timer is started, and the belt material element array is shifted; and position signals of coal plough devices on coal warehouses are judged in turn, and individual warehouse metering statistics is performed by extracting corresponding units, which are provided with coal marks and belt scale metering units, of the belt material element array on which the position signals are located. Existing coal-conveying programmed control platform software and hardware resources are utilized by the calculating method, coal loading amount accumulative calculation of each coal warehouse can be realized and consumption state of coal amount of the coal warehouses can be mastered without extra hardware investment so that basic data are provided for calculation of boiler economic indicators, and thus the calculating method has a relatively high cost performance ratio.
Description
Technical field
The present invention relates to a kind of computing method of defeated coal stored program controlled individual metering, belong to defeated coal program control technology field.
Background technology
The coal quantity metering device of general coal handling system only has belt conveyer scale, and installation site is distant from coal bunker.Coal bunker, due to its work characteristics and site environment restriction, cannot be installed measuring apparatus and directly measure inlet amount on the other hand, causing accurately knowing the accumulative total inlet amount of coal bunker, cannot be equipment control then, energy-saving and cost-reducing calculating, energy-saving and cost-reducing, the informationization of coal amount provides data basis.
Summary of the invention
The object of this invention is to provide a kind of method that calculates the inlet amount of each feed bin material.
In order to achieve the above object, principle of the present invention is the metrical pulse signal that utilizes belt to claim, by the operating state signal of belt conveyor and the signal that lifts or fall of coal bunker coal plough, the inlet amount that more accurately calculates each feed bin material in the mode of programming, has reached the object of measuring a plurality of feed bin material amounts with an electronic scales.
Concrete technical scheme of the present invention has been to provide a kind of computing method of defeated coal stored program controlled individual metering, wherein, coal charge is sent into different coal bunkers by different coal ploughs after N bar belt, N >=2, belt claims to be arranged on the porch of the 1st belt, each coal plough is arranged on the diverse location place of N bar belt, it is characterized in that, step is:
The first step, according to belt, claim the length of each belt between coal bunker and the travelling speed of belt, set suitable shift unit time T
s, by shift unit time T
sthe coal charge amount that the belt of flowing through claims is designated as a material unit, the material unit array of every corresponding one dimension of belt, and the material unit array that i bar belt is corresponding is designated as M
i, expect first array M
iin total K element, K=|T
i/ T
s|+1, T
i=L
i/ V
i, L
ibe the length of i bar belt, V
iit is the travelling speed of i bar belt;
Second step, when coal charge is through belt while claiming, belt claims to produce a metrical pulse signal, by the weight assignment of coal charge, gives the 1st the corresponding material array M of unit of belt
1in first element M
1[1], the 1st belt is defined as to current belt p, next belt adjacent with current belt p is defined as to adjacent belt n;
The 3rd step, judge whether adjacent belt n stops, and if so, enters the 4th step, otherwise, wait for;
The 4th step, startup cycle timer start timing, until timing time T>T
s, enter the 5th step;
The 5th step, by the array M of the corresponding material of current belt p unit
pin first element M
p[1] start shift unit time T of the every operation of current belt p
s, by M
pthe value of [k] is given M
p[k+1], until expect first array M
pin last element M
p[K] obtains assignment, and current belt p stops, and enters the 6th step;
The 6th step, will expect first array M
pmiddle M
pthe value of [K] is given the corresponding material array M of unit of adjacent belt n
nin first element M
n[1], if adjacent belt n is not last root belt in N bar belt, adjacent belt n is defined as to new current belt p, the belt adjacent with adjacent belt n is defined as to new adjacent belt n, return to and carry out the 3rd step, otherwise, adjacent belt n is defined as to belt conveyor s, enter the 7th step;
The 7th step, belt conveyor s bring into operation, by the corresponding material array M of unit of belt conveyor s
sin first element M
s[1] start, when shift unit time T of the every operation of belt conveyor s
s, by M
sthe value of [k] is given M
s[k+1], in operational process, comes the coal bunker of coal direction to start by the most close, judges successively the full state signal of the corresponding coal plough of each coal bunker, if i coal plough falls,, before i coal plough falls, expects first array M
sthe metering material unit that the middle the last element definition that obtains assignment is i corresponding i the coal bunker of coal plough, at i coal bunker, stop before coal storage, all values that is endowed of metering material unit and be multiplied by the storehouse that measurement unit that belt claims is i coal bunker and measure.
The present invention utilizes the program control platform software and hardware resources of existing defeated coal, without extra hardware investment, just realize the upper coal amount cumulative calculation of each coal bunker, grasp the Expenditure Levels of the coal amount of coal bunker, for boiler economic target, calculate basic data is provided, there is higher cost performance.
Accompanying drawing explanation
Fig. 1 is individual metering model schematic diagram.
Embodiment
For the present invention is become apparent, hereby with preferred embodiment, and coordinate accompanying drawing to be described in detail below.
The invention provides a kind of computing method of defeated coal stored program controlled individual metering, wherein, as shown in Figure 1, coal charge is sent into different coal bunker 4 by different coal ploughs 5 after 2 belts, belt claims 3 to be arranged on the porch of the 1st belt, and each coal plough 5 is arranged on the diverse location place of the 2nd belt.The steps include:
The first step, according to belt, claim that 3 to the length of each belt between coal bunker and the travelling speed of belt, sets suitable shift unit time T
s, by shift unit time T
sthe belt of flowing through claims 3 coal charge amount to be designated as a material unit, the material unit array of every corresponding one dimension of belt, and the material unit array that i bar belt is corresponding is designated as M
i, expect first array M
iin total K element, K=|T
i/ T
s|+1, T
i=L
i/ V
i, L
ibe the length of i bar belt, V
iit is the travelling speed of i bar belt;
Second step, when coal charge is through belt while claiming 3, belt claims 3 generation a metrical pulse signal, by the weight assignment of coal charge, gives the 1st the corresponding material array M of unit of belt
1in first element M
1[1], the 1st belt is defined as to current belt p, next belt adjacent with current belt p is defined as to adjacent belt n;
The 3rd step, judge whether adjacent belt n stops, and if so, enters the 4th step, otherwise, wait for;
The 4th step, startup cycle timer start timing, until timing time T>T
s, enter the 5th step;
The 5th step, by the array M of the corresponding material of current belt p unit
pin first element M
p[1] start shift unit time T of the every operation of current belt p
s, by M
pthe value of [k] is given M
p[k+1], until expect first array M
pin last element M
p[K] obtains assignment, and current belt p stops, and enters the 6th step;
The 6th step, will expect first array M
pmiddle M
pthe value of [K] is given the corresponding material array M of unit of adjacent belt n
nin first element M
n[1], because adjacent belt n is last root belt in 2 belts, adjacent belt n is defined as to belt conveyor s, enters the 7th step;
The 7th step, belt conveyor s bring into operation, by the corresponding material array M of unit of belt conveyor s
sin first element M
s[1] start, when shift unit time T of the every operation of belt conveyor s
s, by M
sthe value of [k] is given M
s[k+1], in operational process, comes the coal bunker of coal direction to start by the most close, judges successively the full state signal of the corresponding coal plough 5 of each coal bunker, if i coal plough 5 falls,, before i coal plough 5 falls, expects first array M
sthe middle the last element definition that obtains assignment is the metering material unit of i coal plough 5 corresponding i coal bunkers 4, at i coal bunker 4, stop before coal storage, all values that is endowed of metering material unit and be multiplied by the storehouse that belt claims 3 measurement unit to be i coal bunker 4 and measure.
Claims (1)
1. the computing method of a defeated coal stored program controlled individual metering, wherein, coal charge is sent into different coal bunker (4) by different coal ploughs (5) after N bar belt, N >=2, belt claims (3) to be arranged on the porch of the 1st belt, each coal plough (5) is arranged on the diverse location place of N bar belt, it is characterized in that, step is:
The first step, according to belt, claim (3) to the length of each belt between coal bunker and the travelling speed of belt, set suitable shift unit time T
s, by shift unit time T
sthe belt of flowing through claims the coal charge amount of (3) to be designated as a material unit, the material unit array of every corresponding one dimension of belt, and the material unit array that i bar belt is corresponding is designated as M
i, expect first array M
iin total K element, K=|T
i/ T
s|+1, T
i=L
i/ V
i, L
ibe the length of i bar belt, V
iit is the travelling speed of i bar belt;
Second step, when coal charge is through belt while claiming (3), belt claims (3) to produce a metrical pulse signal, by the weight assignment of coal charge, gives the 1st the corresponding material array M of unit of belt
1in first element M
1[1], the 1st belt is defined as to current belt p, next belt adjacent with current belt p is defined as to adjacent belt n;
The 3rd step, judge whether adjacent belt n stops, and if so, enters the 4th step, otherwise, wait for;
The 4th step, startup cycle timer start timing, until timing time T > T
s, enter the 5th step;
The 5th step, by the array M of the corresponding material of current belt p unit
pin first element M
p[1] start shift unit time T of the every operation of current belt p
s, by M
pthe value of [k] is given M
p[k+1], until expect first array M
pin last element M
p[K] obtains assignment, and current belt p stops, and enters the 6th step;
The 6th step, will expect first array M
pmiddle M
pthe value of [K] is given the corresponding material array M of unit of adjacent belt n
nin first element M
n[1], if adjacent belt n is not last root belt in N bar belt, adjacent belt n is defined as to new current belt p, the belt adjacent with adjacent belt n is defined as to new adjacent belt n, return to and carry out the 3rd step, otherwise, adjacent belt n is defined as to belt conveyor s, enter the 7th step;
The 7th step, belt conveyor s bring into operation, by the corresponding material array M of unit of belt conveyor s
sin first element M
s[1] start, when shift unit time T of the every operation of belt conveyor s
s, by M
sthe value of [k] is given M
s[k+1], in operational process, comes the coal bunker of coal direction to start by the most close, judge successively the full state signal of the corresponding coal plough of each coal bunker (5), if i coal plough (5) falls,, before i coal plough (5) falls, expect first array M
sthe metering material unit that the middle the last element definition that obtains assignment is i coal plough (5) corresponding i coal bunkers (4), at i coal bunker (4), stop before coal storage, all values that is endowed of metering material unit and be multiplied by the storehouse that measurement unit that belt claims (3) is i coal bunker (4) and measure.
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Cited By (7)
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| CN105203194A (en) * | 2015-09-25 | 2015-12-30 | 上海外高桥发电有限责任公司 | As-fired coal separate bin metering system of coal conveying system |
| CN105758503A (en) * | 2016-04-07 | 2016-07-13 | 远光共创智能科技股份有限公司 | Coal handling system firing coal sub-warehouse metering system and metering method thereof |
| CN106768219A (en) * | 2016-12-19 | 2017-05-31 | 国核电力规划设计研究院 | A kind of as-fired coal Weighing system and its weighing technique, method of calibration |
| CN109323739A (en) * | 2018-11-13 | 2019-02-12 | 贵州金元茶园发电有限责任公司 | Separate unit boiler coal input quantity calculation method |
| CN110286608A (en) * | 2019-06-06 | 2019-09-27 | 上海蓝箭实业发展有限公司 | Run coal bin dynamic compensation deals system and method |
| CN110542081A (en) * | 2019-08-20 | 2019-12-06 | 中国能源建设集团江苏省电力设计院有限公司 | Continuous bed material adding system of circulating fluidized bed boiler |
| CN115371780A (en) * | 2020-12-31 | 2022-11-22 | 贵州西电电力股份有限公司黔北发电厂 | Method for realizing accurate warehouse-dividing metering of materials |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203194A (en) * | 2015-09-25 | 2015-12-30 | 上海外高桥发电有限责任公司 | As-fired coal separate bin metering system of coal conveying system |
| CN105758503A (en) * | 2016-04-07 | 2016-07-13 | 远光共创智能科技股份有限公司 | Coal handling system firing coal sub-warehouse metering system and metering method thereof |
| CN106768219A (en) * | 2016-12-19 | 2017-05-31 | 国核电力规划设计研究院 | A kind of as-fired coal Weighing system and its weighing technique, method of calibration |
| CN109323739A (en) * | 2018-11-13 | 2019-02-12 | 贵州金元茶园发电有限责任公司 | Separate unit boiler coal input quantity calculation method |
| CN109323739B (en) * | 2018-11-13 | 2021-06-18 | 贵州西能电力建设有限公司 | Method for calculating coal feeding amount of single boiler |
| CN110286608A (en) * | 2019-06-06 | 2019-09-27 | 上海蓝箭实业发展有限公司 | Run coal bin dynamic compensation deals system and method |
| CN110286608B (en) * | 2019-06-06 | 2021-09-21 | 上海蓝箭实业发展有限公司 | Dynamic compensation processing system and method for raw coal bunker |
| CN110542081A (en) * | 2019-08-20 | 2019-12-06 | 中国能源建设集团江苏省电力设计院有限公司 | Continuous bed material adding system of circulating fluidized bed boiler |
| CN115371780A (en) * | 2020-12-31 | 2022-11-22 | 贵州西电电力股份有限公司黔北发电厂 | Method for realizing accurate warehouse-dividing metering of materials |
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Application publication date: 20140122 |