CN112009978B - Method for controlling flow of converter ferroalloy feeding belt - Google Patents
Method for controlling flow of converter ferroalloy feeding belt Download PDFInfo
- Publication number
- CN112009978B CN112009978B CN201910469510.6A CN201910469510A CN112009978B CN 112009978 B CN112009978 B CN 112009978B CN 201910469510 A CN201910469510 A CN 201910469510A CN 112009978 B CN112009978 B CN 112009978B
- Authority
- CN
- China
- Prior art keywords
- belt
- feeding
- receiving
- encoder
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
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
- 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
- B65G37/00—Combinations of mechanical conveyors of the same kind, or of different kinds, of interest apart from their application in particular machines or use in particular manufacturing processes
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/466—Charging device for converters
Abstract
The method for controlling the flow of the converter ferroalloy feeding belt comprises the following steps: a) a first encoder is coaxially arranged on a receiving driven roller of the receiving belt conveyor; a second encoder is coaxially arranged on the feeding driven roller of the feeding belt conveyor; at least two vibration feeders are arranged on the receiving belt at intervals, and a belt weighing machine is arranged below the receiving belt; b) when a system issues a feeding instruction, a receiving driving roller of a receiving belt conveyor is driven by a driving motor to enable a receiving belt to start feeding, the receiving belt drives a receiving driven roller to rotate, and the receiving driven roller drives a first encoder to operate; meanwhile, a feeding driving roller of the feeding belt machine is driven by a driving motor to enable a feeding belt to start feeding, the feeding belt drives a feeding driven roller to rotate, and the feeding driven roller drives a second encoder to operate; the first encoder and the second encoder calculate the position of the alloy material on the receiving belt conveyor, and the material weight of the corresponding position on the receiving belt is obtained by combining the data of the belt weighing machine.
Description
Technical Field
The invention relates to a transportation technology, in particular to a method for controlling the flow of a converter ferroalloy feeding belt.
Background
The converter alloy feeding system has the function of conveying various ferroalloy raw materials required by converter smelting to a furnace top bin, and adding ferroalloy into molten steel according to different steel requirements to adjust the components of the molten steel in production. The converter ferroalloy automatic feeding control system consists of 5 parts: underground storage bin, conveyor belt, weighing device, tripper, furnace roof storage bin.
And the DCS automatically and reasonably arranges the feeding sequence and the feeding amount according to the internal volume of the furnace top bin. However, automatic feeding systems also find disadvantages in use:
alloy material has the belt to transport to the furnace roof feed bin by underground storage bin, because alloy material proportion is big, often takes place to incline on the belt (underground storage bin to furnace roof) alloy material weight and too big to lead to the trouble of driving motor overload, and the motor can't start after the trouble takes place, needs the artifical alloy material clearance most back with oblique belt, and oblique belt just can start smoothly, causes serious influence for producing the commodity circulation. Although the adjustment is made through the bin flow control valve, because the alloy material is various, 15 materials need to be fed through the standby bin and cannot be adjusted to a proper state, and the overload fault is caused.
Disclosure of Invention
The invention aims to design a flow control method for a converter ferroalloy feeding belt, which avoids overload faults of the alloy feeding belt, reduces personnel compliance and improves system stability.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a flow control method for a converter ferroalloy feeding belt comprises the following steps:
a) a first coupling is coaxially arranged on a receiving driven roller of the receiving belt conveyor, and the first coupling is connected with a first encoder through a first elastic catcher; a second coupling is coaxially installed on a feeding driven roller of the obliquely arranged feeding belt conveyor, and the second coupling is connected with a second encoder through a second elastic connector; at least two vibration feeders are arranged on a receiving belt of the receiving belt conveyor at intervals along the movement direction of the belt, and a belt weighing machine is arranged below the receiving belt on the receiving driving roller side of the receiving belt conveyor; a chute for leading the alloy material to flow from the receiving belt to the feeding belt is arranged between the receiving belt and the feeding belt; the first encoder, the second encoder, the vibrating feeder, the belt weighing machine and the driving motors respectively driving the receiving driving roller and the feeding driving roller are electrically connected with a controller;
b) when a system issues a feeding instruction, a receiving driving roller of a receiving belt conveyor is driven by a driving motor to enable a receiving belt to start feeding, the receiving belt drives a receiving driven roller to rotate, and the receiving driven roller drives a first encoder to operate; meanwhile, a feeding driving roller of the feeding belt machine is driven by a driving motor to enable a feeding belt to start feeding, a feeding belt drives a feeding driven roller to rotate, and the feeding driven roller drives a second encoder to operate; calculating the position of the alloy material on the receiving belt conveyor by a first encoder on the side of the receiving driven roller and a second encoder of the feeding driven roller, and obtaining the material weight of the corresponding position on the receiving belt by combining the data of a belt weighing machine;
firstly, calculating the maximum load weight M allowed by a feeding belt, wherein the unit kg:
m ═ (9550 × P × N × 2/niD) - (G +9.8 × q × L × sinB); wherein the content of the first and second substances,
d: drive wheel diameter, unit, meter;
g: the weight of the driving wheel is kg;
n: efficiency; i: a reduction ratio; p: motor power, unit kilowatt;
n: the motor rotating speed is in unit r/min; q: weight of the belt per meter in kg;
l: belt length, unit meter; the sinB feeding belt is inclined;
then, respectively setting the full-length counting pulse of the receiving belt as Y and the full-length counting pulse of the feeding belt as Z; the length counting pulse from the first vibration feeder close to the head of the receiving belt to the tail of the receiving belt is X1, and along the running direction of the receiving belt, the length counting pulse from the rest vibration feeders to the tail of the receiving belt is X2, X3, X4 and so on;
when the receiving belt conveyor starts to feed materials, after the first vibration feeder operates, the controller starts to read data of a first encoder corresponding to the receiving belt, the accumulated output value Q1 of the first encoder is compared with the length counting pulse from the first vibration feeder to the tail part of the receiving belt, which is X1, and the corresponding position of the receiving belt where the materials operate is determined in percentage form through the ratio of X1 to Y;
when Q1 is more than or equal to X1, the alloy materials are conveyed to the tail of the receiving belt, the accumulated output value Q1 of the first encoder is X1, the counting pulses of the lengths from the vibration feeder to the tail of the receiving belt during feeding of different vibration feeders are X1, X2 and X3, and by analogy, the alloy materials enter the feeding belt through the receiving belt and the chute; the weight of the alloy material on the receiving belt is delta A, unit: kg;
the delta A is the instantaneous quantity of the belt weighing machine multiplied by the accumulated output value Q1 of the first encoder/pulse frequency F1, and the pulse frequency F1 corresponds to a receiving belt;
instantaneous quantity of belt weigher, unit: kg/s; cumulative output value of the first encoder, unit: a plurality of; pulse frequency, unit: per second.
When the alloy material passes through the receiving belt and enters the feeding belt through the chute, the controller starts to read second encoder data Q2, Q2 of a feeding driven roller of the feeding belt and compares the data with full-length counting pulses Z of the feeding belt, and determines the corresponding position of the feeding belt where the material runs in percentage through the ratio of Q2 to Z;
when Q2< Z, the pulse variable L ═ Q2;
delta B is the instantaneous quantity of the belt weighing machine multiplied by the accumulated output value Q2 of the second encoder/pulse frequency F2, and the pulse frequency F2 corresponds to the feeding belt;
instantaneous quantity of belt weigher, unit: kg/s; cumulative output value of the second encoder, unit: a plurality of; pulse frequency, unit: per second.
When Q2 is more than or equal to Z, the alloy material is conveyed to the tail of the feeding belt, the alloy material passes through the feeding belt, and the weight of the alloy material on the feeding belt is delta B, unit: kg;
Δ B is the instantaneous quantity x pulse Z/pulse frequency F2 of the belt weigher;
instantaneous quantity of belt weigher, unit: kg; pulse Z, unit: a plurality of; pulse frequency, unit: per second.
Preferably, the weight of the material U ═ Δ A × 90% + [ delta ] B allowed to be transported on the feeding belt;
when the U is more than or equal to 95 percent M, the vibration feeder stops and the belt conveyor continues to operate;
and when the U is less than or equal to 50 percent of M, starting the vibration feeder and continuously feeding.
The invention has the beneficial effects that:
according to the invention, through controlling the flow of the converter ferroalloy feeding belt, the weight of the alloy material on the feeding belt is ensured to be within the bearing capacity of the driving motor, the continuity and stability of feeding are ensured, the occurrence of faults is avoided, and unattended automatic feeding is realized. The incidence of alloy belt material pressing faults is reduced, and the orderly production operation is ensured.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
Referring to fig. 1, the method for controlling the flow of the feeding belt of the converter ferroalloy comprises the following steps:
a) a first coupling 2 is coaxially arranged on a receiving driven roller 11 of a receiving belt conveyor 1, and the first coupling 2 is connected with a first encoder 4 through a first elastic connector 3; a second coupling 6 is coaxially arranged on a feeding driven roller 51 of the obliquely arranged feeding belt conveyor 5, and the second coupling 6 is connected with a second encoder 8 through a second elastic connector 7; at least two vibration feeders 9, 9' are arranged on the receiving belt of the receiving belt conveyor 1 at intervals along the moving direction of the belt, and a belt weighing machine 10 is arranged below the receiving belt 13 at the receiving driving roller 12 side of the receiving belt conveyor 1; a chute 15 for leading the alloy material to flow from the receiving belt 13 to the feeding belt 53 is arranged between the receiving belt 13 and the feeding belt 53; the first encoder 4, the second encoder 8, the vibrating feeders 9 and 9', the belt weighing machine 10 and the driving motors 14 and 54 respectively driving the receiving driving roller 12 and the feeding driving roller 52 are electrically connected with a controller;
b) when a system issues a feeding instruction, a receiving driving roller of a receiving belt conveyor is driven by a driving motor to enable a receiving belt to start feeding, the receiving belt drives a receiving driven roller to rotate, and the receiving driven roller drives a first encoder to operate; meanwhile, a feeding driving roller of the feeding belt machine is driven by a driving motor to enable a feeding belt to start feeding, a feeding belt drives a feeding driven roller to rotate, and the feeding driven roller drives a second encoder to operate; calculating the position of the alloy material on the receiving belt conveyor by a first encoder on the side of the receiving driven roller and a second encoder of the feeding driven roller, and obtaining the material weight of the corresponding position on the receiving belt by combining the data of a belt weighing machine;
firstly, calculating the maximum load weight M allowed by a feeding belt, wherein the unit kg:
m ═ G +9.8 × q × L × sinB (TL × 2/iD) — (9550 × P × N × 2/niD) - (G +9.8 × q × L × sinB); wherein the content of the first and second substances,
TL: drive moment, unit, nm; d: drive wheel diameter, unit, meter;
g: the weight of the driving wheel is kg;
n: efficiency; i: a reduction ratio; p: motor power, unit kilowatt;
n: the motor rotating speed is in unit r/min; q: weight of the belt per meter in kg;
l: belt length, unit meter; the sinB feeding belt is inclined;
then, respectively setting the full-length counting pulse of the receiving belt as Y and the full-length counting pulse of the feeding belt as Z; the length counting pulse from the first vibration feeder close to the head of the receiving belt to the tail of the receiving belt is X1, and along the running direction of the receiving belt, the length counting pulse from the rest vibration feeders to the tail of the receiving belt is X2, X3, X4 and so on;
when the receiving belt conveyor starts to feed materials, after the first vibration feeder operates, the controller starts to read data of a first encoder corresponding to the receiving belt, the accumulated output value Q1 of the first encoder is compared with the length counting pulse from the first vibration feeder to the tail part of the receiving belt, which is X1, and the corresponding position of the receiving belt where the materials operate is determined in percentage form through the ratio of X1 to Y;
when Q1 is more than or equal to X1, the alloy materials are conveyed to the tail of the receiving belt, the accumulated output value Q1 of the first encoder is X1, the counting pulses of the lengths from the vibration feeder to the tail of the receiving belt during feeding of different vibration feeders are X1, X2 and X3, and by analogy, the alloy materials enter the feeding belt through the receiving belt and the chute; the weight of the alloy material on the receiving belt is delta A, unit: kg;
the delta A is the instantaneous quantity of the belt weighing machine multiplied by the accumulated output value Q1 of the first encoder/pulse frequency F1, and the pulse frequency F1 corresponds to a receiving belt;
instantaneous quantity of belt weigher, unit: kg/s; cumulative output value of the first encoder, unit: a plurality of; pulse frequency, unit: per second.
When the alloy material passes through the receiving belt and enters the feeding belt through the chute, the controller starts to read second encoder data Q2, Q2 of a feeding driven roller of the feeding belt and compares the data with full-length counting pulses Z of the feeding belt, and determines the corresponding position of the feeding belt where the material runs in percentage through the ratio of Q2 to Z;
when Q2< Z, the pulse variable L ═ Q2;
delta B is the instantaneous quantity of the belt weighing machine multiplied by the accumulated output value Q2 of the second encoder/pulse frequency F2, and the pulse frequency F2 corresponds to the feeding belt;
instantaneous quantity of belt weigher, unit: kg/s; cumulative output value of the second encoder, unit: a plurality of; pulse frequency, unit: per second.
When Q2 is more than or equal to Z, the alloy material is conveyed to the tail of the feeding belt, the alloy material passes through the feeding belt, and the weight of the alloy material on the feeding belt is delta B, unit: kg;
Δ B is the instantaneous quantity x pulse Z/pulse frequency F2 of the belt weigher;
instantaneous quantity of belt weigher, unit: kg; pulse Z, unit: a plurality of; pulse frequency, unit: per second.
Preferably, the weight of the material U ═ Δ A × 90% + [ delta ] B allowed to be transported on the feeding belt;
when the U is more than or equal to 95 percent M, the vibration feeder stops and the belt conveyor continues to operate; and when the U is less than or equal to 50 percent of M, starting the vibration feeder and continuously feeding.
Examples
The feeding system has the driving motor with the power of 150KW, the rotating speed of 1480r/min, the efficiency of 0.95, the reduction ratio of 100:1, the diameter of the driving wheel of 1 meter, the weight of the driving wheel of 1000kg, the weight of the belt per meter of 20kg and the inclination angle of the feeding belt of 45 degrees.
Available from the public:
M＝(9550×P×N×2/niD)－(G+9.8×q×L×sinB)
＝(9550*150*1000*0.95*2/1480*60*1)-(1000+9.8*20*200*0.707)
＝1963kg
the feeding instantaneous flow of the No. 1 vibration feeder is 30 tons/hour, the length counting pulse X1 from the No. 1 vibration feeder to the tail part of the receiving belt is 1000, the full-length counting pulse Y of the receiving belt is 1500, and the pulse frequency F1 is 10 Hz; the full length of the loading belt was 2000 counting pulses Z and the pulse frequency F2 was 8 Hz.
When the feeding system receives a feeding instruction of the No. 1 bin, the feeding belt and the receiving belt start to operate in sequence, and then the No. 1 vibrating feeder operates to start feeding.
When the receiving belt conveyor starts to feed materials, after the 1# vibration feeder operates, the controller starts to read first encoder data corresponding to the receiving belt, the accumulated output value Q1 of the first encoder is compared with a length counting pulse X1 from the 1# vibration feeder to the tail of the receiving belt, and the corresponding position of the receiving belt where the materials operate is determined in percentage mode through the ratio of X1 to Y;
when Q1 is more than or equal to 1000, the alloy material is conveyed to the tail of the receiving belt, the accumulated output value Q1 of the first encoder is 1000, and the alloy material enters the feeding belt through the receiving belt through the chute; the weight of the alloy material on the receiving belt is delta A, unit: kg;
Δ a is the instantaneous quantity of the belt weigher multiplied by the cumulative output Q1 of the first encoder/pulse frequency F1
＝30*1000/3600*1000/10
＝833kg
When the alloy material passes through the receiving belt and enters the feeding belt through the chute, the controller starts to read second encoder data Q2, Q2 of a feeding driven roller of the feeding belt and compares the data with full-length counting pulses Z of the feeding belt, and determines the corresponding position of the feeding belt where the material runs in percentage through the ratio of Q2 to Z;
when Q2 is <2000, the pulse variable L is Q2 is 500 (Q2 is 500);
Δ B is the instantaneous quantity of the belt weigher multiplied by the cumulative output Q2 of the second encoder/pulse frequency F2
＝30*1000/3600*500/8
＝520kg
In this case, U ═ Δ a +/Δ B ═ 833+520 ═ 1353kg
95％M＝95％*1963＝1864kg
The belt conveyor continues feeding as U is less than 95% M;
when the belt conveyor continues to operate, when Q2 is less than 2000, the pulse variable L is Q2 is 1000 (Q2 is 1000)
Δ B is the instantaneous quantity of the belt weigher multiplied by the cumulative output Q2 of the second encoder/pulse frequency F2
＝30*1000/3600*1000/8
＝1140kg
In this case, U ═ Δ a +/Δ B ═ 833+1140 ═ 1973kg
95％M＝95％*1963＝1864kg
And the U is more than or equal to 95 percent M, the vibration feeder stops, and the belt conveyor continues to operate.
After the 1# vibration feeder stops, the instantaneous quantity of the belt weighing machine gradually decreases to 0, the numerical value of U continuously decreases along with the operation of the belt conveyor, and when the U is less than or equal to 50% M, the vibration feeder starts to continue feeding, so that the alloy material on the feeding belt cannot exceed the allowable load quantity of the feeding belt.
Claims (2)
1. A flow control method for a converter ferroalloy feeding belt is characterized by comprising the following steps: the method comprises the following steps:
a) a first coupling is coaxially arranged on a receiving driven roller of the receiving belt conveyor, and the first coupling is connected with a first encoder through a first elastic catcher; a second coupling is coaxially installed on a feeding driven roller of the obliquely arranged feeding belt conveyor, and the second coupling is connected with a second encoder through a second elastic connector; at least two vibration feeders are arranged on a receiving belt of the receiving belt conveyor at intervals along the movement direction of the belt, and a belt weighing machine is arranged below the receiving belt on the receiving driving roller side of the receiving belt conveyor; a chute for leading the alloy material to flow from the receiving belt to the feeding belt is arranged between the receiving belt and the feeding belt; the first encoder, the second encoder, the vibrating feeder, the belt weighing machine and the driving motors respectively driving the receiving driving roller and the feeding driving roller are electrically connected with a controller;
b) when a system issues a feeding instruction, a receiving driving roller of a receiving belt conveyor is driven by a driving motor to enable a receiving belt to start feeding, the receiving belt drives a receiving driven roller to rotate, and the receiving driven roller drives a first encoder to operate; meanwhile, a feeding driving roller of the feeding belt machine is driven by a driving motor to enable a feeding belt to start feeding, a feeding belt drives a feeding driven roller to rotate, and the feeding driven roller drives a second encoder to operate; calculating the position of the alloy material on the receiving belt conveyor by a first encoder on the side of the receiving driven roller and a second encoder of the feeding driven roller, and obtaining the material weight of the corresponding position on the receiving belt by combining the data of a belt weighing machine;
firstly, calculating the maximum load weight M allowed by a feeding belt, wherein the unit kg:
m ═ (9550 × P × N × 2/niD) - (G +9.8 × q × L × sinB); wherein the content of the first and second substances,
d: drive wheel diameter, unit, meter;
g: the weight of the driving wheel is kg;
n: efficiency; i: a reduction ratio; p: motor power, unit kilowatt;
n: the motor rotating speed is in unit r/min; q: weight of the belt per meter in kg;
l: belt length, unit meter; the sinB feeding belt is inclined;
then, respectively setting the full-length counting pulse of the receiving belt as Y and the full-length counting pulse of the feeding belt as Z; the length counting pulse from the first vibration feeder close to the head of the receiving belt to the tail of the receiving belt is X1, and along the running direction of the receiving belt, the length counting pulse from the rest vibration feeders to the tail of the receiving belt is X2, X3, X4 and so on;
when the receiving belt conveyor starts to feed materials, after the first vibrating feeder runs, the controller starts to read data of a first encoder corresponding to the receiving belt, the accumulated output value Q1 of the first encoder is compared with the length counting pulse from the first vibrating feeder to the tail of the receiving belt, which is X1, and the corresponding position of the receiving belt where the materials run is determined in percentage form through the ratio of X1 to Y;
when Q1 is more than or equal to X1, the alloy materials are conveyed to the tail of the receiving belt, the accumulated output value Q1 of the first encoder is X1, the counting pulses of the lengths from the vibration feeder to the tail of the receiving belt during feeding of different vibration feeders are X1, X2 and X3, and by analogy, the alloy materials enter the feeding belt through the receiving belt and the chute; the weight of the alloy material on the receiving belt is delta A, unit: kg;
the delta A is the instantaneous quantity of the belt weighing machine multiplied by the accumulated output value Q1 of the first encoder/pulse frequency F1, and the pulse frequency F1 corresponds to a receiving belt;
instantaneous quantity of belt weigher, unit: kg/s; cumulative output value of the first encoder, unit: a plurality of; pulse frequency, unit: per s;
when the alloy material passes through the receiving belt and enters the feeding belt through the chute, the controller starts to read second encoder data Q2, Q2 of a feeding driven roller of the feeding belt and compares the data with full-length counting pulses Z of the feeding belt, and determines the corresponding position of the feeding belt where the material runs in percentage through the ratio of Q2 to Z;
when Q2< Z, the pulse variable L ═ Q2;
delta B is the instantaneous quantity of the belt weighing machine multiplied by the accumulated output value Q2 of the second encoder/pulse frequency F2, and the pulse frequency F2 corresponds to the feeding belt;
instantaneous quantity of belt weigher, unit: kg/s; cumulative output value of the second encoder, unit: a plurality of; pulse frequency, unit: per second.
When Q2 is more than or equal to Z, the alloy material is conveyed to the tail of the feeding belt, the alloy material passes through the feeding belt, and the weight of the alloy material on the feeding belt is delta B, unit: kg;
Δ B is the instantaneous quantity x pulse Z/pulse frequency F2 of the belt weigher;
instantaneous quantity of belt weigher, unit: kg; pulse Z, unit: a plurality of; pulse frequency, unit: per second.
2. The method for controlling the flow of the converter ferroalloy feeding belt according to claim 1, wherein: the weight U of the material allowed to be transported on the feeding belt is equal to delta A multiplied by 90% + [ delta ] B;
when the U is more than or equal to 95 percent M, the vibration feeder stops and the belt conveyor continues to operate;
and when the U is less than or equal to 50 percent of M, starting the vibration feeder and continuously feeding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910469510.6A CN112009978B (en) | 2019-05-31 | 2019-05-31 | Method for controlling flow of converter ferroalloy feeding belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910469510.6A CN112009978B (en) | 2019-05-31 | 2019-05-31 | Method for controlling flow of converter ferroalloy feeding belt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112009978A CN112009978A (en) | 2020-12-01 |
| CN112009978B true CN112009978B (en) | 2021-12-17 |
Family
ID=73501570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910469510.6A Active CN112009978B (en) | 2019-05-31 | 2019-05-31 | Method for controlling flow of converter ferroalloy feeding belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112009978B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005272044A (en) * | 2004-03-23 | 2005-10-06 | Jfe Steel Kk | Operation method of belt conveyor |
| CN101544306B (en) * | 2009-04-10 | 2012-10-03 | 上海市东方海事工程技术有限公司 | System and method for intelligently controlling electronic weighing type coal feeder |
| CN101692006B (en) * | 2009-08-21 | 2011-12-07 | 上海大和衡器有限公司 | Belt conveyor based multi-material belt weighing system |
| CN201548057U (en) * | 2009-10-15 | 2010-08-11 | 宝山钢铁股份有限公司 | Automatic control device for vibration feeder |
| CN103818703B (en) * | 2014-03-19 | 2016-04-13 | 龙岩烟草工业有限责任公司 | The control method that a kind of belt is quantitatively carried and device |
| JP6478835B2 (en) * | 2015-06-25 | 2019-03-06 | 大和製衡株式会社 | Fixed quantity supply system |
| CN105858132A (en) * | 2016-05-12 | 2016-08-17 | 天地（常州）自动化股份有限公司 | Coal flow conveying system with conveyor load distribution detection function and energy-saving control method of coal flow conveying system |
| CN205813554U (en) * | 2016-06-24 | 2016-12-21 | 九江七所精密机电科技有限公司 | A kind of tobacco processing line constant flux control system |
| CN108609408B (en) * | 2018-03-20 | 2020-11-10 | 曹妃甸港矿石码头股份有限公司 | Ship unloaders and belt conveyor process overload control method |
-
2019
- 2019-05-31 CN CN201910469510.6A patent/CN112009978B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112009978A (en) | 2020-12-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102951428B (en) | Energy-saving control method of energy saving system of belt conveyor | |
| CN102275730A (en) | Beverage bottle conveying system | |
| CN114803382A (en) | Conveying control method, system, device, conveyor equipment and readable storage medium | |
| CN113895910B (en) | Optimal control method for multi-stage serial rubber belt conveyor transportation system | |
| CN112009978B (en) | Method for controlling flow of converter ferroalloy feeding belt | |
| JP3336712B2 (en) | Belt conveyor speed controller | |
| CN201354252Y (en) | Long-distance downward belt conveyer with high strength and large conveying capacity | |
| CN103466284A (en) | Belt conveyor centralized control method and system | |
| CN202621138U (en) | Automatic feeding system used in production processes of ball milling and prilling | |
| CN218369908U (en) | Automatic feeder of coal pulverizer | |
| CN202029240U (en) | Powder metering equipment | |
| CN113879866B (en) | Coal flow conveying method based on traffic flow | |
| CN202464643U (en) | Chain-bucket conveying system | |
| CN206939762U (en) | A kind of belt conveyor speed adaptive control system | |
| CN115321210A (en) | Method for controlling speed of carriage loading and feeding belt of loading station | |
| CN212892848U (en) | Constant-current transportation automatic control system for unloading of ship unloader | |
| CN111891765B (en) | Feeding control system of blending ore for sintering | |
| CN112607448B (en) | Feeding equipment, control method and system | |
| CN205700952U (en) | A kind of ore dressing crushes approach system | |
| CN111689171B (en) | Automatic speed regulation method of lower-level conveyor based on variable-frequency output torque of upper-level conveyor | |
| CN202657264U (en) | Automatic tracking feeding device for solid can filling machine | |
| CN102745486A (en) | Servo control distribution system of battery weighing machine | |
| JP2002240957A (en) | Reclaimer hopper level control system | |
| CN201010312Y (en) | Improvement of medium-sized plate feeder driving structure | |
| CN220431198U (en) | Production line control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |