CN101968316B - Automatic loading control device of lime preheater - Google Patents
Automatic loading control device of lime preheater Download PDFInfo
- Publication number
- CN101968316B CN101968316B CN 201010509366 CN201010509366A CN101968316B CN 101968316 B CN101968316 B CN 101968316B CN 201010509366 CN201010509366 CN 201010509366 CN 201010509366 A CN201010509366 A CN 201010509366A CN 101968316 B CN101968316 B CN 101968316B
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- preheater
- material loading
- absolute value
- truck
- programmable logic
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Abstract
The invention relates to an automatic loading control device particularly suitable for loading the lime preheater of a metallurgical system and adjusting the material level of preheater raw materials in real time. The automatic loading control device comprises an industrial computer, a loading and weighting control instrument, a preheater radar material level meter, an absolute value encoder for detecting a skip position and an electrical cabinet, wherein the industrial computer is mounted on a console of a control chamber and connected with a programmable controller in the electrical cabinet through an industrial Ethernet; an air switch, a contactor, an input reactor, a kip driving transducer, a transducer brake unit, a brake resistor and the programmable controller as well as an input interface and an output interface thereof are mounted in the electrical cabinet, and the input interface and the output interface of the programmable controller are respectively connected with the loading and weighting control instrument, the preheater radar material level meter and the absolute value encoder for detecting the skip position. The invention can be used for automatically loading materials at any material level according to the process requirements and is accurate and stable to set.
Description
Technical field
The present invention relates to a kind of automatically control feeding device, be specially adapted to metallurgical system lime preheater material loading, realize the Adjustable real-time of preheater raw material material level.
Background technology
At present, in the rotary kiln lime production technology, the control of preheater material level is the execute-in-place worker manually controls truck according to the level-sensing device signal operation.Shortcoming: labour intensity is big, can not be according to technological requirement real-time regulated preheater material level.
Summary of the invention
In order to overcome the shortcoming of prior art, the present invention provides a kind of lime preheater automatically control feeding device.It can realize the automatic charging of any material level according to technological requirement, and setting is accurate, stable.
It is that it comprises that the present invention solves the technical scheme that its technical problem takes:
Industrial computer: be installed on the operating desk in control room; Be connected with Programmable Logic Controller in the regulator cubicle through EPA; Show actual material level in the preheater, truck drive motors operation conditions, motor operating current, speed actual value, skip position, each material loading amount and material loading cumulant, and set the material level and each truck material loading amount of preheater according to producing actual needs;
The material loading controller of weighing: be used for detecting each actual material loading amount;
Preheater radar level gauge: be installed in the preheater top, be used to detect actual material level in the preheater, realize the automatic control of material loading;
Absolute value encoder: be installed in a side of the output shaft of truck elevator motor, be used for detecting the physical location of truck;
And regulator cubicle: air switch, contactor, input reactance device, truck drive variable frequency device, frequency converter brake unit and braking resistor, Programmable Logic Controller and input and output interface thereof are installed in the regulator cubicle; The input interface of said Programmable Logic Controller connects weigh controller, preheater radar level-sensing device and skip position of material loading respectively and detects and use absolute value encoder; The communication interface of Programmable Logic Controller connects truck drive variable frequency device through the Profibus-DP fieldbus; The operation of control truck frequency converter is through the Push And Release of digital quantity output port control batcher operation and hopper door.
The present invention can realize the automatic charging of any material level according to technological requirement, and setting is accurate, stable.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Accompanying drawing is a calcspar of the present invention.
The specific embodiment
Shown in accompanying drawing, the present invention includes industrial computer, material loading weigh controller, absolute value encoder, radar level gauge and regulator cubicle.
Described industrial computer is installed on the operating desk in control room; Be connected with Programmable Logic Controller (PLC) in the regulator cubicle through EPA; Show actual material level in the preheater, truck drive motors operation conditions, motor operating current, speed actual value, skip position, each material loading amount and material loading cumulative amount, and set the material level and each truck material loading amount of preheater according to producing actual needs.
The described material loading controller of weighing is used for detecting each actual material loading amount.
The preheater radar level gauge is installed in the preheater top, is used to detect actual material level in the preheater, realizes the automatic control of material loading.
Skip position detects and uses absolute value encoder: be installed in a side of truck drive speed reducer output shaft, be used for detecting the physical location of truck.
Air switch, contactor, input reactance device, truck drive variable frequency device, frequency converter brake unit and braking resistor, Programmable Logic Controller and input and output interface thereof are installed in the described regulator cubicle; The input interface of said Programmable Logic Controller connects weigh controller, preheater radar level-sensing device and skip position of material loading respectively and detects and use absolute value encoder; The communication interface of Programmable Logic Controller connects truck drive variable frequency device through the Profibus-DP fieldbus; The operation of control truck frequency converter is through the Push And Release of digital quantity output port control batcher operation and hopper door.
Described absolute value encoder adopts the absolute value encoder of band Profibus-DP agreement, replaces the traditional mechanical master controller.
Described PLC adopts the S7-300 of Siemens Company.Described truck drive variable frequency device adopts the digital AC converter of 6ES70 of Siemens Company.
According to production requirement; On industrial computer, set raw material controlling level and each material loading amount in the preheater; The on-the-spot material loading controller of weighing detects raw material weight in real time; Outputting standard 4～20mA signal gets into the PLC system, and computing draws real-time weight in the PLC system, relatively exports the operation of switching value signal controlling oscillating feeder and the switching of hopper door in the back with set amount.The PLC system is arrived through the Profibus-DP bus transfer in the position of absolute value encoder real-time detecting material car, after the PLC system confirms the truck particular location through computing, through the operation and the velocity transformation of the total line traffic control truck of Profibus-DP.Radar level gauge detects material level situation in the preheater in real time, relatively controls the operation of truck with the material level setting value.Show material level situation, truck motor actual motion electric current, speed, skip position and each material loading weight and cumulative weight in the preheater on the industrial computer in real time, and can regulate material level and each material loading amount in the preheater according to producing actual needs.Can significantly improve operating efficiency through the present invention, reduce labour intensity.
Claims (4)
1. lime preheater automatically control feeding device, it is characterized in that: it comprises:
Industrial computer: be installed on the operating desk in control room; Be connected with Programmable Logic Controller in the regulator cubicle through EPA; Show actual material level in the preheater, truck drive motors operation conditions, motor operating current, speed actual value, skip position, each material loading amount and material loading cumulant, and set the material level and each truck material loading amount of preheater according to producing actual needs;
The material loading controller of weighing: be used for detecting each actual material loading amount;
Preheater radar level-sensing device: be installed in the preheater top, be used to detect actual material level in the preheater, realize the automatic control of material loading;
Skip position detects and uses absolute value encoder: be installed in a side of truck drive speed reducer output shaft, be used for detecting the physical location of truck;
And regulator cubicle: air switch, contactor, input reactance device, truck drive variable frequency device, frequency converter brake unit and braking resistor, Programmable Logic Controller and input and output interface thereof are installed in the regulator cubicle; The input interface of said Programmable Logic Controller connects weigh controller, preheater radar level-sensing device and skip position of material loading respectively and detects and use absolute value encoder; The communication interface of Programmable Logic Controller connects truck drive variable frequency device through the Profibus-DP fieldbus; The operation of control truck drive variable frequency device is through the Push And Release of digital quantity output port control batcher operation and hopper door.
2. lime preheater automatically control feeding device according to claim 1 is characterized in that: described absolute value encoder adopts the absolute value encoder of band Profibus-DP agreement.
3. lime preheater automatically control feeding device according to claim 1 is characterized in that: described Programmable Logic Controller adopts the S7-300 of Siemens Company.
4. lime preheater automatically control feeding device according to claim 1 is characterized in that: described truck drive variable frequency device adopts the digital AC converter of 6ES70 of Siemens Company.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010509366 CN101968316B (en) | 2010-10-14 | 2010-10-14 | Automatic loading control device of lime preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010509366 CN101968316B (en) | 2010-10-14 | 2010-10-14 | Automatic loading control device of lime preheater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101968316A CN101968316A (en) | 2011-02-09 |
| CN101968316B true CN101968316B (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010509366 Expired - Fee Related CN101968316B (en) | 2010-10-14 | 2010-10-14 | Automatic loading control device of lime preheater |
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| CN (1) | CN101968316B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102806134A (en) * | 2012-08-13 | 2012-12-05 | 新兴河北工程技术有限公司 | Internal material layer thickness automatic control device for vertical mill |
| CN104097876B (en) * | 2014-07-07 | 2017-04-05 | 三一汽车制造有限公司 | The real-time detecting system of powder tank material position and method and mixing plant |
| CN104568098B (en) * | 2015-01-16 | 2016-09-14 | 厦门帮众科技有限公司 | A kind of accurate measuring device of rapidly pre-warming |
| CN105607662B (en) * | 2016-02-25 | 2018-07-20 | 天津华通自动化控制有限公司 | A kind of intelligence control system and control method loading granular material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1776338A (en) * | 2005-11-24 | 2006-05-24 | 广东韶钢松山股份有限公司 | Sintering automatic distributing method |
| CN101575718A (en) * | 2009-06-01 | 2009-11-11 | 中国铝业股份有限公司 | Automatic charging control method of aluminum electrolysis multifunctional machine unit stock bin |
| CN101723183A (en) * | 2008-10-31 | 2010-06-09 | 宝山钢铁股份有限公司 | Scattered material storage tank tankful detection and control method |
| CN201819561U (en) * | 2010-10-14 | 2011-05-04 | 新兴河北工程技术有限公司 | Automatic loading control device of lime preheater |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06347178A (en) * | 1993-06-04 | 1994-12-20 | Shinko Electric Co Ltd | Furnace raw material charge controlling system using lifting magnet |
-
2010
- 2010-10-14 CN CN 201010509366 patent/CN101968316B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1776338A (en) * | 2005-11-24 | 2006-05-24 | 广东韶钢松山股份有限公司 | Sintering automatic distributing method |
| CN101723183A (en) * | 2008-10-31 | 2010-06-09 | 宝山钢铁股份有限公司 | Scattered material storage tank tankful detection and control method |
| CN101575718A (en) * | 2009-06-01 | 2009-11-11 | 中国铝业股份有限公司 | Automatic charging control method of aluminum electrolysis multifunctional machine unit stock bin |
| CN201819561U (en) * | 2010-10-14 | 2011-05-04 | 新兴河北工程技术有限公司 | Automatic loading control device of lime preheater |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平6-347178A 1994.12.20 |
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| CN101968316A (en) | 2011-02-09 |
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