CN102381550A - Material weighing and variable-speed conveying system for blast furnace - Google Patents
Material weighing and variable-speed conveying system for blast furnace Download PDFInfo
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- CN102381550A CN102381550A CN2011103254951A CN201110325495A CN102381550A CN 102381550 A CN102381550 A CN 102381550A CN 2011103254951 A CN2011103254951 A CN 2011103254951A CN 201110325495 A CN201110325495 A CN 201110325495A CN 102381550 A CN102381550 A CN 102381550A
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- blast furnace
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- delivery system
- speed change
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Abstract
The invention discloses a material weighing and variable-speed conveying system for a blast furnace, which is well applied in the fields of new energy and energy-saving low carbon. The material weighing and variable-speed conveying system comprises a device frame, a bin and a material conveying device and is characterized by also comprising a PLC (Programmable Logic Controller) as well as a control cabinet, an AD (Analog-Digital) module, an AD-PT module, a weighing sensor, an optoelectronic switch, a temperature sensor and a material heater which are coencted with the PLC, wherein the weighing sensor is arranged at the bottom of the bin; the temperature sensor and the material heater are arranged inside the bin; the optoelectronic switch is arranged on the side wall of the bin; and the control cabinet, the PLC, the AD module and the AD-PT module are arranged on the device frame. The invention provides an analog quantity signal processing device which can be used for both teaching and practical training, i.e., the material weighing and variable-speed conveying system for the blast furnace has the advantages of being high in precision of temperature control, convenient to use and the like and greatly improves the learning interest and the actual operation capability of students, thus enabling the students to comprehensively know and master the integrated techniques of mechanics and electronics.
Description
Technical field
The present invention relates to electromechanical integration technology area; Particularly relate to a degree of automation than higher real standard and teaching research and development device; Be mainly used in each industrial enterprise, it is produced the device that required graininess, bulk or various loose unpacked materials such as Powdered carry out remote vertical or slope conveying.
Background technology
Along with improving constantly of automatization level and degree in the modern control process, and control accuracy is constantly accurate and correct.This just has higher requirement and level to the processing of analog signals, and present many instructional devices relatively bias toward the switching value Signal Processing, and it is few that the process and method that analog signals is handled is considered; Existing in addition teaching method and approach also be difficult to let students understand with grasp concrete collection and the control process of analog signals.The generally abstract explanation through the teacher or watch the specific product and the picture of analog module of student; Come it is formed a mode of operation of simple surface understanding and own illusion; And its concrete method of application and process are not understood; Can not carry out actual operation and control effect Analysis to analog module, these factors have weakened the scope of total teaching effect and real standard content greatly, have also reduced Students'learning enthusiasm.In material conveying process, material is carried out warm-up control simultaneously, control accuracy is not high, and material heating inequality has brought great inconvenience for follow-up processing before and after often causing.
Summary of the invention
In order to remedy deficiency and the shortcoming that exists in the existing instructional device; Also for the better electrical integrated The Application of Technology of gig, the invention provides the analog signals processing equipment that a teaching and real standard can both be used, promptly blast furnace is with material metage speed change delivery system; Has the temperature control precision height; Advantage such as easy to use has improved students'interest in learning and practical operation ability greatly, make the student to the electromechanical technology have a ratio more comprehensively understanding with grasp.
In order to address the above problem, the technical scheme that the present invention taked is:
A kind of blast furnace is with material metage speed change delivery system; Comprise device frame, feed bin and device for transporting objects; In device frame, be provided with feed bin, said device for transporting objects discharging opening is corresponding with the feed bin import, it is characterized in that: also comprise PLC and with PLC bonded assembly control housing, AD module, AD-PT module, LOAD CELLS, photoelectric switch, temperature sensor and material temperature booster; Bottom at feed bin is provided with LOAD CELLS; Be provided with temperature sensor and material temperature booster in the feed bin, the sidewall of feed bin is provided with photoelectric switch, and device frame is provided with control housing, PLC, AD module and AD-PT module.
Aforesaid a kind of blast furnace is with material metage speed change delivery system; It is characterized in that: said device for transporting objects comprises electrical motor, retarder, belt and two belt pulleys; Be respectively arranged with a belt pulley at device frame top and bottom; Said two belt pulleys are obliquely installed and are connected through belt, below the bottom of device frame, are provided with electrical motor, and said electrical motor is connected with the rotating shaft of bottom belt wheel through retarder.
Aforesaid a kind of blast furnace is characterized in that with material metage speed change delivery system: in device frame, be provided with mesh sheet, in mesh sheet, be provided with PLC, AD module and AD-PT module.
Aforesaid a kind of blast furnace is characterized in that with material metage speed change delivery system: the top at device frame is provided with control housing, and control housing is provided with touch-screen.
Aforesaid a kind of blast furnace is characterized in that with material metage speed change delivery system: in feed bin, be provided with fan.
Aforesaid a kind of blast furnace is characterized in that with material metage speed change delivery system: be equipped with in the bottom of device frame and be convenient to move caster wheel.
Aforesaid a kind of blast furnace is characterized in that with material metage speed change delivery system: in mesh sheet, be provided with frequency converter, said frequency converter input end is connected with PLC, and inverter output terminal is connected with electrical motor.
Aforesaid a kind of blast furnace is characterized in that with material metage speed change delivery system: the arranged outside at belt pulley has Bearing with wheel.
The invention has the beneficial effects as follows:
Advantages such as the present invention can accomplish blast furnace displaying and embody with material metage speed change course of conveying preferably, has the temperature control precision height, and is easy to use.In teaching, electromechanical integration technology is comprehensively embodied simultaneously, its principal benefits have following some.
1, the student has had substantial understanding and grasp to the functional module of PLC.The student can grasp the method for application of functional modules such as AD, DA, AD-PT and the compiling procedure of its corresponding function instruction preferably on the basis of grasping the switching value signal, and can realize the wiring operation of other device and functional module and the real time modifying of field control process.
2, the student has had a brand new understanding and has grasped the performance of frequency converter.The student through the external cabling of frequency converter and parameter setting up procedure are understood with grasp after, make its method of application obtain further raising to frequency converter.
3, the student has had one better to understand and grasp to the effect of touch-screen.The student has promoted understanding and the grasp of student to the touch-screen method of application greatly through setting and its use and operation that touches the picture design software to the touch-screen communications parameter.
4, the well manipulative ability and the coordination ability of team of exercise student ' of this device is because each part in the device all is that dismounting has order and requirement can dismounting the time.
5, in this device with major control combination of elements such as PLC, AD module, AD-PT module, frequency converter, touch-screen, LOAD CELLS, temperature sensor, temperature booster, electrical motor and belts together; Deficiency and shortcoming in the theory and practice teaching have in the past been remedied greatly; How the student very understanding and the grasp analog quantity of image is gathered in cooresponding module and is exported, and is how to realize the bonded assembly of communicating by letter between each device.Solved the knowledge of student's study
6, this device becomes vivid content with abstract knowledge, and single control is become adjustable control, preferably resolves the problem that exists in the conventional teaching.This has improved students'interest in learning and practical operation ability greatly, also this expertise that the student learned has been carried out good serial connection and lifting simultaneously, makes the student to the electromechanical technology ratio more comprehensively understanding and grasp arranged.
Description of drawings
Fig. 1 is that blast furnace of the present invention is with material metage speed change delivery system integral structure scheme drawing.
Fig. 2 is that blast furnace of the present invention is with material metage speed change delivery system front view.
Fig. 3 is a feed bin generalized section of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is done further description.
Shown in Fig. 1-3, a kind of blast furnace comprises device frame 2, feed bin 3 and device for transporting objects with material metage speed change delivery system, in device frame 2, is provided with feed bin 3, and said device for transporting objects discharging opening is corresponding with feed bin 3 imports.Device for transporting objects comprises electrical motor 1, retarder, belt 4 and two belt pulleys 5, is respectively arranged with a belt pulley 5 at device frame 2 tops and bottom, and in the arranged outside of belt pulley 5 Bearing with wheel 13 is arranged.During design, two belt pulleys 5 are obliquely installed and are connected through belt 4, below the bottom of device frame 2, are provided with electrical motor 1, and electrical motor 1 is connected through the rotating shaft of retarder and bottom belt wheel 5.This device makes belt pulley 5 rotations after electrical motor 1 slows down through retarder, thereby drives belt 4 convey materials through belt 4 convey materials.
Said feed bin 3 comprises feed bin cavity 17 and the feed bin cover plate 16 that is arranged on feed bin cavity 17 tops, in feed bin cavity 17, is provided with material temperature booster 18, temperature sensor 19 and fan 20, and the sidewall of feed bin cavity 17 is provided with photoelectric switch 15.The heating-up temperature that temperature sensor 19 of the present invention is used for detecting material is transferred to PLC9, and PLC9 breaks off according to the height of Temperature numerical or connects material temperature booster 18, thereby keeps material to be in the thermostatic control, and temperature control precision significantly improves.
In mesh sheet 12, be provided with frequency converter 8, frequency converter 8 input ends are connected with PLC9, and frequency converter 8 mouths are connected with electrical motor 1, and frequency converter 8 just can be according to the rotating speed of the cooresponding change electrical motor 1 of the corresponding signal that PLC9 sends here like this.
When blast furnace is worked with material metage speed change delivery system, when for the first time reinforced, press start button after; Electrical motor 1 slows down through retarder, drives belt pulley 5 low speed rotation, and material is rendered on the belt 4 simultaneously; Frequency converter 8 is regulated the rotating speed of electrical motor after a period of time; Electrical motor 1 drives belt 4 high-speed cruising, join a certain amount of material in the feed bin cavity 17 at short notice after, when being fed to original set amount at a slow speed then; LOAD CELLS 14 sends signal and gives PLC9, and PLC9 control motor 1 stops operating.Material temperature booster 18 is started working in reinforced in addition, and when full material was heated to design temperature, temperature sensor 19 sent signal and gives PLC9, and PLC9 control material temperature booster 18 stops heating and changes thermostatic control into.Material after thermostatic control is accomplished is through corresponding passage output, and electrical motor 1 starts voluntarily then, restarts feeding, so circulation.The present invention presses behind the stop button after the epicycle loop ends such as need, just can stop.
Native system is with abstract explanation or watch the analog module picture to become vivid content; Single control is become adjustable control; Students'interest in learning and practical operation ability have been improved greatly; Simultaneously also this expertise that the student learned has been carried out good serial connection and lifting, made the student ratio more comprehensively understanding and grasp arranged the electromechanical technology.
More than show and described groundwork of the present invention, principal character and advantage.The technical personnel of the industry should be understood; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification sheets just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (8)
1. a blast furnace is with material metage speed change delivery system; Comprise device frame, feed bin and device for transporting objects; In device frame, be provided with feed bin, said device for transporting objects discharging opening is corresponding with the feed bin import, it is characterized in that: also comprise PLC and with PLC bonded assembly control housing, AD module, AD-PT module, LOAD CELLS, photoelectric switch, temperature sensor and material temperature booster; Bottom at feed bin is provided with LOAD CELLS; Be provided with temperature sensor and material temperature booster in the feed bin, the sidewall of feed bin is provided with photoelectric switch, and device frame is provided with control housing, PLC, AD module and AD-PT module.
2. a kind of blast furnace according to claim 1 is with material metage speed change delivery system; It is characterized in that: said device for transporting objects comprises electrical motor, retarder, belt and two belt pulleys; Be respectively arranged with a belt pulley at device frame top and bottom; Said two belt pulleys are obliquely installed and are connected through belt, below the bottom of device frame, are provided with electrical motor, and said electrical motor is connected with the rotating shaft of bottom belt wheel through retarder.
3. a kind of blast furnace according to claim 2 is characterized in that with material metage speed change delivery system: in device frame, be provided with mesh sheet, in mesh sheet, be provided with PLC, AD module and AD-PT module.
4. a kind of blast furnace according to claim 3 is characterized in that with material metage speed change delivery system: the top at device frame is provided with control housing, and control housing is provided with touch-screen.
5. a kind of blast furnace according to claim 4 is characterized in that with material metage speed change delivery system: in feed bin, be provided with fan.
6. a kind of blast furnace according to claim 5 is characterized in that with material metage speed change delivery system: be equipped with in the bottom of device frame and be convenient to move caster wheel.
7. a kind of blast furnace according to claim 6 is characterized in that with material metage speed change delivery system: in mesh sheet, be provided with frequency converter, said frequency converter input end is connected with PLC, and inverter output terminal is connected with electrical motor.
8. a kind of blast furnace according to claim 7 is characterized in that with material metage speed change delivery system: the arranged outside at belt pulley has Bearing with wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110325495.1A CN102381550B (en) | 2011-10-24 | 2011-10-24 | Material weighing and variable-speed conveying system for blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110325495.1A CN102381550B (en) | 2011-10-24 | 2011-10-24 | Material weighing and variable-speed conveying system for blast furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102381550A true CN102381550A (en) | 2012-03-21 |
| CN102381550B CN102381550B (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110325495.1A Expired - Fee Related CN102381550B (en) | 2011-10-24 | 2011-10-24 | Material weighing and variable-speed conveying system for blast furnace |
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| CN (1) | CN102381550B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102910302A (en) * | 2012-09-24 | 2013-02-06 | 安徽永成电子机械技术有限公司 | Belt conveying feeding electronic ration package scale |
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| CN201400692Y (en) * | 2009-04-17 | 2010-02-10 | 上海宝钢设备检修有限公司 | Special equipment carbon gel pump for blast furnace maintenance |
| CN201756507U (en) * | 2010-06-25 | 2011-03-09 | 鞍钢股份有限公司 | Production device of anhydrous stemming |
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2011
- 2011-10-24 CN CN201110325495.1A patent/CN102381550B/en not_active Expired - Fee Related
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2088902U (en) * | 1991-01-31 | 1991-11-20 | 张春智 | Full automatic powder supply device |
| CN2556402Y (en) * | 2001-11-12 | 2003-06-18 | 浙江上风实业有限公司 | Intelligent control device for ventilation equipment |
| CN2817209Y (en) * | 2005-07-26 | 2006-09-13 | 天津市天锻压力机有限公司 | Frequency conversion start hydraulic press multi motor device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102910302A (en) * | 2012-09-24 | 2013-02-06 | 安徽永成电子机械技术有限公司 | Belt conveying feeding electronic ration package scale |
| CN102910302B (en) * | 2012-09-24 | 2014-06-04 | 安徽永成电子机械技术有限公司 | Belt conveying feeding electronic ration package scale |
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| Publication number | Publication date |
|---|---|
| CN102381550B (en) | 2014-12-24 |
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Granted publication date: 20141224 Termination date: 20181024 |