CN209198928U - A kind of blast furnace loading and unloading control system based on PLC - Google Patents
A kind of blast furnace loading and unloading control system based on PLC Download PDFInfo
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- CN209198928U CN209198928U CN201920170540.2U CN201920170540U CN209198928U CN 209198928 U CN209198928 U CN 209198928U CN 201920170540 U CN201920170540 U CN 201920170540U CN 209198928 U CN209198928 U CN 209198928U
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- sinter
- lump ore
- hopper
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- feeding
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Abstract
The blast furnace loading and unloading control system based on PLC that the utility model discloses a kind of, including sinter conveying assembly, lump ore conveying assembly, mixed-hopper, loading assemblies, blast furnace, controller and host computer；Sinter electric gate valve, sinter weigh hopper and the feeder motor of sinter conveying assembly, the lump ore electric gate valve of lump ore conveying assembly, lump ore weigh hopper and feeder motor, the stirring motor of mixed-hopper and hybrid electrically gate, loading assemblies feeding motor connect respectively with controller, controller is communicated with host computer.The utility model gives controller to send control command in host computer, controls the start and stop of each motor and the opening and closing of each electric gate valve, and mixed-hopper is arranged to realize stirring evenly before conveying, is reacted after mixing evenly being transported in blast furnace.And feeding block is arranged on charging belt prevents mineral aggregate from falling, and improves charging of blast furnace system loading efficiency and safety coefficient.The utility model feeding process realized by controller, high degree of automation.
Description
Technical field
The utility model belongs to blast furnace in metallurgical industry ironmaking feeding technical field, and in particular to a kind of blast furnace automatic charging dress
It sets.
Background technique
Currently, the reduction of domestic blast furnace construction land, blast furnace construction is gradually enlarged, and with the raising of rate of driving
And the anxiety of blast furnace process resource, the use ratio for improving imported lump ore of blast fumance all without exception.And it passes at present
The mine slot process for layout of system using " Yuan Douxian open, is from beginning to end, successively in-line arrangement " marker method, cannot by sinter, lump ore,
Blast furnace is entered back into after the mixing of the raw materials such as pelletizing, flux, nut coke, lump ore and sinter is made to be unable to fully hand in blast furnace high-temperature region
Mutual reactance limits the use ratio of imported lump ore, constrains the promotion of blast furnace technical-economic index.It is " from beginning to end, successively suitable simultaneously
The marker method of row " because when discharge can only monobucket discharge, the discharge time is partially long, is unfavorable for blast furnace and catches up with material when losing and expecting.
On the other hand since the blast furnace of blast furnace is very high, to the conveyer belt of charging of blast furnace generally require to climb it is very high away from
From that raw material could be sent into furnace roof, iron ore, coke used due to ironmaking etc. is often block-like, on the conveyor belt once
It is shaken and is just possible to slide, the life of the iron ore stone fallen from eminence the personnel in face over the ground causes safely very big
It threatens, and raw material slides, also influences the efficiency of conveyer belt conveying.
Utility model content
For above-mentioned deficiency described in the prior, the utility model provides a kind of blast furnace loading and unloading based on PLC
Control system.
In order to solve the above technical problems, technical solution used by the utility model is as follows:
A kind of blast furnace loading and unloading control system based on PLC, including it is sinter conveying assembly, lump ore conveying assembly, mixed
Close hopper, loading assemblies, blast furnace, controller and host computer；Sinter electric gate valve, the sinter of sinter conveying assembly claim
Heavy burder bucket and feeder motor, the lump ore electric gate valve of lump ore conveying assembly, lump ore weigh hopper and feeder motor, mixed-hopper
The feeding motor of stirring motor and hybrid electrically gate, loading assemblies is connect with controller respectively, and controller is communicated with host computer.
Host computer gives controller to send control instruction, controls the movement of whole system, and controller is by the shape of each motor and each electric gate valve
State signal is transmitted to host computer, observes for host computer.The setting of mixed-hopper be exactly in order to which sinter and lump ore are uniformly mixed,
To improve the utilization rate of imported lump ore, molten iron cost is reduced.
The sinter conveying assembly, including sinter feed bin, sinter electric gate valve, sinter sieve, sinter claim
The exit of heavy burder bucket and supply unit, sinter feed bin is equipped with sinter electric gate valve, is equipped with and burns below sinter feed bin
Mine screen net is tied, sinter weigh hopper is equipped with below sinter sieve, supply unit, conveying are equipped with below sinter weigh hopper
Unit is connected to by auxiliary duct road I with mixed-hopper.Add auxiliary duct road I, I one end of auxiliary duct road and conveying
The conveyor belt of unit is corresponding, the other end is corresponding with the sinter import of mixed-hopper, and the sinter in conveyor belt is conveyed
Into mixed-hopper.
The lump ore conveying assembly, including lump ore feed bin, lump ore electric gate valve, lump ore sieve, lump ore weigh hopper and defeated
Send unit, the exit of lump ore feed bin is equipped with lump ore electric gate valve, lump ore sieve is equipped with below lump ore feed bin, under lump ore sieve
Side is equipped with lump ore weigh hopper, is equipped with supply unit below lump ore weigh hopper, supply unit by auxiliary duct road II with
Mixed-hopper connection.Equally add auxiliary duct road II, the conveyor belt pair of auxiliary duct road II one end and supply unit
Answer, the other end it is corresponding with the lump ore import of mixed-hopper, the lump ore in conveyor belt is transported in mixed-hopper.
The supply unit, including feeder motor, conveyor belt, conveyance axis, conveyor belt are set in two conveyings biography
Between moving axis, and conveyance axis is sequentially connected by shaft coupling and feeder motor.
The mixed-hopper, including hopper ontology, stirring motor, stirring rod, paddle and hybrid electrically gate；Hopper sheet
Body is located at below sinter feed bin and lump ore feed bin, and is equipped with sinter feed inlet and lump ore feed inlet in hopper body upper part,
Auxiliary duct road I is corresponding with sinter feed inlet, and auxiliary duct road II is corresponding with lump ore feed inlet；Stirring motor is pacified vertically
It is connect by shaft coupling with stirring rod after the output shaft of hopper body upper part and stirring motor passes through hopper ontology, stirring rod position
In in hopper ontology, and stirring rod is equipped with paddle；Mineral aggregate delivery outlet is equipped with below hopper ontology, mineral aggregate delivery outlet is equipped with
Hybrid electrically gate, and mineral aggregate delivery outlet is corresponding with the charging belt of loading assemblies.The mine stirred evenly in mixed-hopper
Material is discharged on charging belt from mineral aggregate delivery outlet, and charging belt is transported in blast furnace.
The loading assemblies, including charging belt, feeding transmission shaft, feeding motor, feeding baffle, baffle shaft, baffle
Block；Feeding transmission shaft is obliquely installed, and charging belt is set between feeding transmission shaft, and is cooperated with supply unit；In feeding
The side of belt is equipped with through-hole, and baffle shaft is in through-hole, and feeding baffle is positioned in baffle shaft by bearing, baffle block
It is located at the feeding baffle side opposite with charging belt conveying direction.The setting of feeding baffle is exactly iron ore or coke in order to prevent
Fourth high-altitude is fallen, and improves the loading efficiency and safety coefficient of charging of blast furnace system.
The utility model gives controller to send control command in host computer, control each motor start and stop and each electric gate valve
Opening and closing, and mixed-hopper is set to realize stirring evenly before conveying, it is reacted after mixing evenly being transported in blast furnace.
And feeding block is arranged on charging belt prevents mineral aggregate from falling, and improves the loading efficiency and safety coefficient of charging of blast furnace system.
The utility model feeding process realized by controller, high degree of automation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the utility model mixed-hopper.
Fig. 3 is the cooperation schematic diagram of the utility model charging belt, feeding block.
Fig. 4 is the control principle block diagram of the utility model.
Specific embodiment
As shown in Figs 1-4, a kind of blast furnace loading and unloading control system based on PLC, including sinter conveying assembly 1, block
Mine conveying assembly 2, mixed-hopper 3, loading assemblies 4, blast furnace 5, controller and host computer；The sintering of sinter conveying assembly 1
Mine electric gate valve, sinter weigh hopper 104 and feeder motor, the lump ore electric gate valve of lump ore conveying assembly 2, lump ore weighing material
The feeding motor difference of bucket 204 and feeder motor, the stirring motor 301 of mixed-hopper 3 and hybrid electrically gate, loading assemblies 4
It is connect with controller, controller is communicated with host computer.Host computer sends control instruction to controller, controls the dynamic of whole system
Make, controller observes the status signal transmission of each motor and each electric gate valve to host computer for host computer.Mixed-hopper is set
It sets exactly in order to which sinter and lump ore to be uniformly mixed, to improve the utilization rate of imported lump ore, reduces molten iron cost.
The sinter conveying assembly 1, including sinter feed bin 100, sinter electric gate valve, sinter sieve 102, burning
Mine weigh hopper 104 and supply unit are tied, the exit of sinter feed bin 100 is equipped with sinter electric gate valve, in sintered ore materials
It is equipped with sinter sieve 102 below storehouse 100, sinter weigh hopper 104, sinter weighing are equipped with below sinter sieve 102
Supply unit is equipped with below hopper 104, supply unit is connected to by auxiliary duct road I 103 with mixed-hopper 3.Add auxiliary
Conveyance conduit I 103, I 103 one end of auxiliary duct road is corresponding with the conveyor belt of supply unit, the other end and mixed-hopper
Sinter import is corresponding, and the sinter in conveyor belt is transported in mixed-hopper.
The lump ore conveying assembly 2, including lump ore feed bin 200, lump ore electric gate valve, lump ore sieve 202, lump ore weighing material
The exit of bucket 204 and supply unit, lump ore feed bin 200 is equipped with lump ore electric gate valve, and lump ore is equipped with below lump ore feed bin 200
Sieve 202 is equipped with lump ore weigh hopper 204 below lump ore sieve 202, and supply unit is equipped with below lump ore weigh hopper 204, defeated
Unit is sent to be connected to by auxiliary duct road II 203 with mixed-hopper 3.Equally add auxiliary duct road II 203, auxiliary conveying
II 203 one end of pipeline is corresponding with the conveyor belt of supply unit, the lump ore import of the other end and mixed-hopper is corresponding, will convey skin
The lump ore taken is transported in mixed-hopper.
The supply unit, including feeder motor, conveyor belt 600, conveyance axis 601, conveyor belt 600 are set in
Between two conveyance axis 601, and conveyance axis 601 is sequentially connected by shaft coupling and feeder motor.
The mixed-hopper 3, including hopper ontology 300, stirring motor 301, stirring rod 302, paddle 303 and mixing electricity
Dynamic gate；Hopper ontology 300 is located at 200 lower section of sinter feed bin 100 and lump ore feed bin, and is equipped on 300 top of hopper ontology
Sinter feed inlet and lump ore feed inlet, auxiliary duct road I 103 is corresponding with sinter feed inlet, auxiliary duct road II 203
It is corresponding with lump ore feed inlet；Output shaft of the stirring motor 301 vertically positioned on 300 top of hopper ontology and stirring motor 301 passes through
It is connect by shaft coupling with stirring rod 302 after hopper ontology 300, stirring rod 302 is located in hopper ontology 300, and stirring rod 302
It is equipped with paddle 303；Mineral aggregate delivery outlet 304 is equipped with below hopper ontology 300, mineral aggregate delivery outlet 304 is equipped with hybrid electrically
Gate, and mineral aggregate delivery outlet 304 is corresponding with the charging belt 400 of loading assemblies 4.The mineral aggregate stirred evenly in mixed-hopper
It is discharged on charging belt from mineral aggregate delivery outlet, charging belt is transported in blast furnace.
The loading assemblies 4, including charging belt 400, feeding transmission shaft 401, feeding motor, feeding baffle 404, baffle
Shaft 406, baffle block 405；Feeding transmission shaft 401 is obliquely installed, and charging belt 400 is set between feeding transmission shaft 401,
And cooperate with supply unit；It is equipped with through-hole in the side of charging belt 400, baffle shaft 406 is in through-hole, feeding baffle
404 are positioned in baffle shaft 406 by bearing, and baffle block 405 is located at feeding baffle 404 and 400 conveying direction of charging belt
Opposite side.The setting of feeding baffle be exactly in order to prevent iron ore or nut coke high-altitude fall, improve charging of blast furnace system it is upper
Expect efficiency and safety coefficient.
In the present embodiment, the communication module is GPRS module, the model of the GPRS module are as follows: FIT-GPRS-
Ⅱ_SIM900AV1.0.The controller be PLC controller, model AFPX0L14R.
Working principle: host computer sends control instruction according to production requirement, to controller, and controller is according to instruction, control
Sinter electric gate valve is opened, and sinter enters sinter sieve 102 out of sinter feed bin 100 and tentatively screened out, and is sieved
Sinter after removing enters in sinter weigh hopper 104, the weight that the weighing sensor detection of sinter weigh hopper 104 enters
Amount, when reaching setting value, controller controls sinter electric gate valve and closes, feeder motor starting, sinter weigh hopper
Electric gate valve is opened, and the sinter after weighing enters in conveyor belt, and enters mixed-hopper 3 from auxiliary duct road I 103
Interior, equally, control lump ore electric gate valve is opened, and lump ore enters lump ore sieve 202 out of lump ore feed bin 200 and tentatively sieved
It removes, the lump ore after screening out enters in lump ore weigh hopper 204, the weight that the weighing sensor detection of lump ore weigh hopper 204 enters
Amount, when reaching setting value, controller control lump ore electric gate valve close, feeder motor starting, lump ore weigh hopper it is electronic
Gate opening, the lump ore after weighing enter in conveyor belt, and enter in mixed-hopper 3 from auxiliary duct road I 203, according to
Weight information in sinter weigh hopper and lump ore weigh hopper, controller control the electric gate valve and block of sinter weigh hopper
The electric gate valve of mine weigh hopper is closed, and starts stirring motor, and the mineral aggregate in mixed-hopper is stirred mixing, is mixed into
After setting time, controller controls stirring motor by the time relay and shuts down, and opens hybrid electrically gate opening, feeding electricity
Machine starting, mixed mineral aggregate enter on charging belt, and feeding motor drives charging belt rotation to convey mixed mineral aggregate
Into blast furnace.
Claims (6)
1. a kind of blast furnace loading and unloading control system based on PLC, it is characterised in that: including sinter conveying assembly (1), lump ore
Conveying assembly (2), mixed-hopper (3), loading assemblies (4), blast furnace (5), controller and host computer；Sinter conveying assembly
(1) the lump ore electric brake of sinter electric gate valve, sinter weigh hopper (104) and feeder motor, lump ore conveying assembly (2)
The stirring motor (301) and hybrid electrically gate, feeding of door, lump ore weigh hopper (204) and feeder motor, mixed-hopper (3)
The feeding motor of component (4) is connect with controller respectively, and controller is communicated with host computer.
2. the blast furnace loading and unloading control system according to claim 1 based on PLC, it is characterised in that: the sinter
Conveying assembly (1), including sinter feed bin (100), sinter electric gate valve, sinter sieve (102), sinter weigh hopper
(104) and supply unit, the exit of sinter feed bin (100) is equipped with sinter electric gate valve, under sinter feed bin (100)
Side is equipped with sinter sieve (102), is equipped with sinter weigh hopper (104) below sinter sieve (102), sinter weighing material
(104) lower section struggle against equipped with supply unit, supply unit is connected to by auxiliary duct road I (103) with mixed-hopper (3).
3. the blast furnace loading and unloading control system according to claim 1 based on PLC, it is characterised in that: the lump ore is defeated
Sending component (2), including lump ore feed bin (200), lump ore electric gate valve, lump ore sieve (202), lump ore weigh hopper (204) and defeated
Unit is sent, the exit of lump ore feed bin (200) is equipped with lump ore electric gate valve, lump ore sieve is equipped with below lump ore feed bin (200)
(202), lump ore weigh hopper (204) are equipped with below lump ore sieve (202), it is single that conveying is equipped with below lump ore weigh hopper (204)
Member, supply unit are connected to by auxiliary duct road II (203) with mixed-hopper (3).
4. the blast furnace loading and unloading control system according to claim 2 or 3 based on PLC, it is characterised in that: the conveying
Unit, including feeder motor, conveyor belt (600), conveyance axis (601), conveyor belt (600) are set in two conveyances
Between axis (601), and conveyance axis (601) is sequentially connected by shaft coupling and feeder motor.
5. the blast furnace loading and unloading control system according to claim 4 based on PLC, it is characterised in that: the mixture
It struggles against (3), including hopper ontology (300), stirring motor (301), stirring rod (302), paddle (303) and hybrid electrically gate；
Hopper ontology (300) is located at below sinter feed bin (100) and lump ore feed bin (200), and is equipped on hopper ontology (300) top
Sinter feed inlet and lump ore feed inlet, auxiliary duct road I (103) is corresponding with sinter feed inlet, auxiliary duct road II
(203) corresponding with lump ore feed inlet；Stirring motor (301) is vertically positioned on hopper ontology (300) top and stirring motor (301)
Output shaft passes through hopper ontology (300) and is connect afterwards by shaft coupling with stirring rod (302), and stirring rod (302) is located at hopper ontology
(300) in, and stirring rod (302) is equipped with paddle (303)；Mineral aggregate delivery outlet is equipped with below hopper ontology (300)
(304), mineral aggregate delivery outlet (304) is equipped with hybrid electrically gate, and the feeding skin of mineral aggregate delivery outlet (304) and loading assemblies (4)
Band (400) is corresponding.
6. the blast furnace loading and unloading control system based on PLC according to claim 1 or 5, it is characterised in that: the feeding
Component (4), including charging belt (400), feeding transmission shaft (401), feeding motor, feeding baffle (404), baffle shaft
(406), baffle block (405)；Feeding transmission shaft (401) is obliquely installed, and charging belt (400) is set in feeding transmission shaft
(401) between, and cooperate with supply unit；It is equipped with through-hole in the side of charging belt (400), baffle shaft (406) is positioned on logical
In hole, for feeding baffle (404) through bearing on baffle shaft (406), baffle block (405) is located at feeding baffle (404)
The side opposite with charging belt (400) conveying direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920170540.2U CN209198928U (en) | 2019-01-31 | 2019-01-31 | A kind of blast furnace loading and unloading control system based on PLC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920170540.2U CN209198928U (en) | 2019-01-31 | 2019-01-31 | A kind of blast furnace loading and unloading control system based on PLC |
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| Publication Number | Publication Date |
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| CN209198928U true CN209198928U (en) | 2019-08-02 |
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| CN201920170540.2U Active CN209198928U (en) | 2019-01-31 | 2019-01-31 | A kind of blast furnace loading and unloading control system based on PLC |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116536465A (en) * | 2023-06-13 | 2023-08-04 | 石棉鑫汇环保科技有限公司 | Preparation system and preparation process of high-purity pig iron |
-
2019
- 2019-01-31 CN CN201920170540.2U patent/CN209198928U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116536465A (en) * | 2023-06-13 | 2023-08-04 | 石棉鑫汇环保科技有限公司 | Preparation system and preparation process of high-purity pig iron |
| CN116536465B (en) * | 2023-06-13 | 2024-02-20 | 石棉鑫汇环保科技有限公司 | Preparation system and preparation process of high-purity pig iron |
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