CN102381550B - 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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- CN102381550B CN102381550B CN201110325495.1A CN201110325495A CN102381550B CN 102381550 B CN102381550 B CN 102381550B CN 201110325495 A CN201110325495 A CN 201110325495A CN 102381550 B CN102381550 B CN 102381550B
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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 the higher real training of degree of automation and research and develop device with teaching, be mainly used in each industrial enterprise, graininess, bulk or the various loose unpacked material such as Powdered needed for producing it carry out the device that remote vertical or slope is carried.
Background technology
Along with improving constantly of automatization level in modern scientist process and degree, and control accuracy constantly accurately with correct.This just has higher requirement and level to the process of analog signals, and current many instructional devices compare the process biasing toward on-off model, to the process and method of analog signals process consider few; Existing teaching method and approach are also difficult to allow student understand the data acquisition and controlling process concrete with grasping analog signals in addition.Student generally passes through the abstract explanation of teacher or watches specific product and the picture of analog module, carry out the mode of operation it being formed to a simple surface understanding and oneself illusion, and its concrete using method and process are not understood, the analysis of actual operation and controlling effect can not be carried out to analog module, these factors weaken the effect of total teaching and the scope of reality teaches pattern greatly, also reduce the learning initiative of student.Simultaneously in material conveying process, carry out computer heating control to material, control accuracy is not high, often causes front and back heating material uneven, brings great inconvenience to follow-up processing.
Summary of the invention
In order to make up the deficiency and shortcoming that exist in existing instructional device, also in order to better promote the application of electromechanical integration technology, the invention provides the analog signals processing equipment that a teaching can use with real training, i.e. blast furnace material metage variable-speed conveying system, there is temperature control precision high, the advantage such as easy to use, substantially increases learning interest and the practice ability of student, makes student have a ratio to be more comprehensively familiar with and grasp to electromechanical technology.
In order to solve the problem, the technical solution used in the present invention is:
A kind of blast furnace material metage variable-speed conveying system, comprise device frame, feed bin and device for transporting objects, feed bin is provided with in device frame, described device for transporting objects discharging opening is corresponding with feed bin import, it is characterized in that: the control housing also comprising PLC and be connected with PLC, A/D module, AD-PT module, LOAD CELLS, photoelectric switch, temperature sensor and material heater, the bottom of feed bin is provided with LOAD CELLS, temperature sensor and material heater is provided with in feed bin, the sidewall of feed bin is provided with photoelectric switch, device frame is provided with control housing, PLC, A/D module and AD-PT module.
Aforesaid a kind of blast furnace material metage variable-speed conveying system, it is characterized in that: described device for transporting objects comprises electrical motor, retarder, belt and two belt pulleys, a belt pulley is respectively arranged with at device frame top and bottom, described two belt pulleys are obliquely installed and are connected by belt, the bottom part down of device frame is provided with electrical motor, and described electrical motor is taken turns rotating shaft by retarder and bottom belt and is connected.
Aforesaid a kind of blast furnace material metage variable-speed conveying system, is characterized in that: in device frame, be provided with mesh sheet, is provided with PLC, A/D module and AD-PT module in mesh sheet.
Aforesaid a kind of blast furnace material metage variable-speed conveying system, is characterized in that: the top of device frame is provided with control housing, control housing is provided with touch-screen.
Aforesaid a kind of blast furnace material metage variable-speed conveying system, is characterized in that: in feed bin, be provided with fan.
Aforesaid a kind of blast furnace material metage variable-speed conveying system, is characterized in that: be provided with the castor being convenient to movement in the bottom of device frame.
Aforesaid a kind of blast furnace material metage variable-speed conveying system, it is characterized in that: in mesh sheet, be provided with frequency converter, described inverter input is connected with PLC, and inverter output terminal is connected with electrical motor.
Aforesaid a kind of blast furnace material metage variable-speed conveying system, is characterized in that: have Bearing with wheel in the arranged outside of belt pulley.
The invention has the beneficial effects as follows:
The advantages such as blast furnace material metage speed change course of conveying can complete and show and embody by the present invention preferably, has temperature control precision high, easy to use.In teaching, electromechanical integration technology is comprehensively embodied simultaneously, its principal benefits have following some.
1, the functional module of student to PLC has had a substantial understanding and grasp.Student can grasp the using method of the functional modules such as AD, DA, AD-PT and the compiling procedure of its corresponding function instruction preferably on the basis of grasping on-off model, and can realize other device and the patching operations of functional module and the real time modifying of field control process.
2, the performance of student to frequency converter has had a brand-new understanding and grasp.Student by carry out understanding to the external cabling of frequency converter and parameter setting procedure with grasp after, make it obtain further raising to the using method of frequency converter.
3, student's effect to touch-screen has had one better to understand and has grasped.Student, by touching use and the operation of picture design software to the setting of touch-screen communications parameter and its, improves student greatly to the understanding of touch-screen using method and grasp.
4, this device can the well manipulative ability of exercise student ' and the coordination ability of team because each part in device be can dismounting while dismounting have order and requirement.
5, in this device, the major control element such as PLC, A/D module, AD-PT module, frequency converter, touch-screen, LOAD CELLS, temperature sensor, temperature booster, electrical motor and belt are combined, compensate for the deficiency in theory and practice teaching in the past and shortcoming greatly, student can be very vivid understanding with grasp analog quantity be how in corresponding module collected with export, and be how to realize communication connection between each device.Solve the knowledge of Students ' Learning
6, abstract knowledge is become vivid content by this device, and single control is become adjustable control, preferably resolves Problems existing in conventional teaching.Which greatly enhances learning interest and the practice ability of student, also this expertise that student learns has been carried out good serial connection and lifting simultaneously, made student have a ratio to be more comprehensively familiar with and grasp to electromechanical technology.
Accompanying drawing explanation
Fig. 1 is blast furnace material metage variable-speed conveying system integral structure schematic diagram of the present invention.
Fig. 2 is blast furnace material metage variable-speed conveying system front view of the present invention.
Fig. 3 is feed bin generalized section of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As Figure 1-3, a kind of blast furnace material metage variable-speed conveying system, comprises device frame 2, feed bin 3 and device for transporting objects, is provided with feed bin 3 in device frame 2, and described device for transporting objects discharging opening is corresponding with feed bin 3 import.Device for transporting objects comprises electrical motor 1, retarder, belt 4 and two belt pulleys 5, is respectively arranged with a belt pulley 5, and has Bearing with wheel 13 in the arranged outside of belt pulley 5 at device frame 2 top and bottom.During design, two belt pulleys 5 are obliquely installed and are connected by belt 4, and the bottom part down of device frame 2 is provided with electrical motor 1, and the rotating shaft that electrical motor 1 takes turns 5 by retarder and bottom belt is connected.This device is by belt 4 convey materials, and electrical motor 1 makes belt pulley 5 rotate after being slowed down by retarder, thus drives belt 4 convey materials.
Control housing 6,2AD module 10,4AD-PT module 11, LOAD CELLS 14, photoelectric switch 15, temperature sensor 19 and material heater 18 that blast furnace material metage variable-speed conveying system also comprises PLC9 and is connected with PLC9.The bottom of feed bin 3 is provided with LOAD CELLS 14, and whether the material that LOAD CELLS 14 is used for detecting conveying reaches setting weight, and is controlled the transportation speed of belt 4 by PLC according to the size of weight of material.Mesh sheet 12 is provided with in device frame 2, be provided with in mesh sheet 12 and export to corresponding receiving element after PLC9,2AD module 10 and 4AD-PT module 11, PLC mainly process with analog signals the respective switch amount signal in material conveying process with A/D module and receive.
Device frame 2 adopts aluminum section frame shelf structure, has so both been easy to processing, also mitigates device deadweight simultaneously.The top of device frame 2 is provided with control housing 6, control housing 6 is provided with touch-screen 7, touch-screen 7, except the parameters in display material conveying process, also can be modified to its parameter and the corresponding operating of device.The castor being convenient to movement is installed in the bottom of device frame 2.
Described feed bin 3 comprises feed bin cavity 17 and is arranged on the feed bin cover plate 16 at feed bin cavity 17 top, is provided with material heater 18, temperature sensor 19 and fan 20, the sidewall of feed bin cavity 17 is provided with photoelectric switch 15 in feed bin cavity 17.The heating-up temperature that temperature sensor 19 of the present invention is used for detecting material is transferred to PLC9, and PLC9 disconnects according to the height of Temperature numerical or connects material heater 18, thus keeps material to be in thermostatic control, and temperature control precision significantly improves.
In mesh sheet 12, be provided with frequency converter 8, frequency converter 8 input end is connected with PLC9, and frequency converter 8 mouth is connected with electrical motor 1, the rotating speed of the change electrical motor 1 that the corresponding signal that just can send here according to PLC9 of such frequency converter 8 is corresponding.
When blast furnace works with material metage variable-speed conveying system, first time is time reinforced, after pressing start button, electrical motor 1 is slowed down by retarder, drive belt pulley 5 low speed rotation, material is rendered on belt 4 simultaneously, after a period of time, frequency converter 8 regulates the rotating speed of electrical motor, electrical motor 1 drives belt 4 high-speed cruising, a certain amount of material is joined at short notice after in feed bin cavity 17, then, when slow-addition is to original set amount, LOAD CELLS 14 sends signal and stops operating to PLC9, PLC9 control electrical motor 1.While feeding in raw material, material heater 18 is started working in addition, and when being heated to design temperature to full material, temperature sensor 19 sends signal and controls material heater 18 stopping heating to PLC9, PLC9 and change thermostatic control into.Material after thermostatic control completes is exported by corresponding passage, and then electrical motor 1 starts voluntarily, restarts feeding, so circulates.After the epicycles such as the present invention needs after pressing stop button circulation terminates, could stop.
Abstract explanation or viewing analog module picture are become vivid content by native system, single control is become adjustable control, substantially increase learning interest and the practice ability of student, also this expertise that student learns has been carried out good serial connection and lifting simultaneously, made student have a ratio to be more comprehensively familiar with and grasp to electromechanical technology.
More than show and describe 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; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (1)
1. a blast furnace material metage variable-speed conveying system, comprise device frame, feed bin and device for transporting objects, feed bin is provided with in device frame, described device for transporting objects discharging opening is corresponding with feed bin import, the control housing also comprising PLC and be connected with PLC, A/D module, AD-PT module, LOAD CELLS, photoelectric switch, temperature sensor and material heater, the bottom of feed bin is provided with LOAD CELLS, it is characterized in that: in feed bin, be provided with temperature sensor and material heater, the sidewall of feed bin is provided with photoelectric switch, device frame is provided with control housing, PLC, A/D module and AD-PT module, mesh sheet is provided with in device frame, PLC is provided with in mesh sheet, A/D module and AD-PT module, frequency converter is provided with in mesh sheet, described inverter input is connected with PLC, inverter output terminal is connected with electrical motor, the top of device frame is provided with control housing, control housing is provided with touch-screen
,described device for transporting objects comprises electrical motor, retarder, belt and two belt pulleys, a belt pulley is respectively arranged with at device frame top and bottom, described two belt pulleys are obliquely installed and are connected by belt, the bottom part down of device frame is provided with electrical motor, and described electrical motor is taken turns rotating shaft by retarder and bottom belt and is connected
,fan is provided with in feed bin
,the castor being convenient to movement is installed in the bottom of device frame
,bearing with wheel is had in the arranged outside of belt pulley.
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 CN102381550A (en) | 2012-03-21 |
| CN102381550B true CN102381550B (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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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| CN101476010A (en) * | 2009-01-21 | 2009-07-08 | 沈阳东方钢铁有限公司 | Method and apparatus for reducing metallic pellet by using coal dust in high furnace |
| 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 for anhydrous stemming |
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2011
- 2011-10-24 CN CN201110325495.1A patent/CN102381550B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| 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 |
| CN1850439A (en) * | 2006-05-15 | 2006-10-25 | 浙江大学 | Automatic sequencing feeding machine |
| CN2917313Y (en) * | 2006-06-28 | 2007-07-04 | 深圳卷烟厂 | Wind speed controlled unit of shredded tobacco air supply duct |
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| CN201756507U (en) * | 2010-06-25 | 2011-03-09 | 鞍钢股份有限公司 | Production device for anhydrous stemming |
| CN201999220U (en) * | 2011-01-25 | 2011-10-05 | 常州市荣创自动化设备有限公司 | Feeding machine for weighing bucket |
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| Publication number | Publication date |
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| CN102381550A (en) | 2012-03-21 |
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Granted publication date: 20141224 Termination date: 20181024 |