CN114281043A - Production control system of strontium ferrite pre-sintering material - Google Patents
Production control system of strontium ferrite pre-sintering material Download PDFInfo
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Abstract
The invention discloses a production control system of a strontium ferrite pre-sintering material, which comprises a human-computer interface, a central control processing center, a pre-sintering parameter control system, a material reactivity online detection system and a raw material automatic batching system, wherein the human-computer interface, the pre-sintering parameter control system, the material reactivity online detection system and the raw material automatic batching system are respectively connected with the central control processing center. The invention solves the problem that the strontium ferrite production line in the prior art is difficult to control manually during presintering, can automatically integrate an optimal parameter adjusting scheme and carry out real-time monitoring and control.
Description
Technical Field
The invention relates to the field of strontium ferrite production control systems, in particular to a production control system for a strontium ferrite pre-sintering material.
Background
In the production process of the strontium ferrite pre-sintering material, the pre-sintering process is the most important one, and the real-time parameter is easy to change when being controlled, for example, the atmosphere, the material quantity, the temperature and the like in a rotary kiln used for pre-sintering affect the quality of products, particularly, the high-performance pre-sintering material has strict requirements on molar ratio, accurate sintering temperature and stable kiln atmosphere, in the manual control, operators need to accumulate experience for a long time to be mastered, the personnel cost is high, the parameter adjustment cannot be carried out in real time, the difficulty is increased for the quality control of the products, and the problem which needs to be solved urgently is how to realize the automatic real-time control of the products.
Disclosure of Invention
The invention aims to provide a production control system of a strontium ferrite pre-sintering material, which aims to solve the problem that the pre-sintering process in the prior art is difficult to control manually.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a production control system for a strontium ferrite pre-sintering material comprises a human-computer interface, a central control processing center, a pre-sintering control parameter command output, a pre-sintering parameter control system, a material reactivity online detection system, a raw material automatic batching system, system alarm information setting and alarm information output.
In the invention, the material reactivity online detection system detects the current material reactivity on a production line, the material reactivity online detection system is connected with the central control processing center, and the detected current material reactivity is transmitted to the central control processing center by the material reactivity online detection system.
In the invention, man-machine interaction is carried out with a central control processing center through a man-machine interface, and the man-machine interface can be used for limiting the target value of the reactivity of the input materials, setting ingredients and pre-burning control parameters; the central control processing center program is provided with a database, and the database stores corresponding curve relation data of material reactivity, ingredient information of raw materials and pre-burning control parameters; the central control processing center carries out data matching on the current material reactivity fed back by the batching setting, the pre-burning control parameter limiting and the material reactivity on-line detection system 6 and the data stored in the database 3 based on the material reactivity target value, integrates the optimal pre-burning control parameter reaching the material reactivity target value, then outputs the optimal pre-burning control parameter to the pre-burning parameter control system by the central control processing center, and controls the production line to carry out pre-burning by the pre-burning parameter control system.
The pre-burning parameter control system comprises a negative pressure control system, a feeding flow control system and a combustion control system, and the optimal pre-burning control parameters output by the central control processing center comprise 3 parameters: and the control parameters of the negative pressure control system, the control parameters of the feed flow control system and the control parameters of the combustion control system respectively control the negative pressure control system, the feed flow control system and the combustion control system to automatically adjust the system to required parameters. And the field production data information of the pre-burning parameter control system is fed back to the central control processing center for command comparison.
The central control processing center sends information to the automatic raw material batching system according to batching setting, and the automatic raw material batching system controls the production line to carry out automatic batching according to batching information.
The central control processing center is also connected with system alarm information setting and alarm information output, the system alarm information setting is used for a user to input a triggering alarm condition, the system alarm information setting transmits the triggering alarm condition to the central control processing center, and the central control processing center controls the alarm information output to output alarm information outwards when the triggering alarm condition is reached.
The invention solves the problem that the production line of the strontium ferrite in the prior art is difficult to control manually during presintering, and provides a production control system of a self-controllable strontium ferrite presintering material, which can automatically integrate an optimal parameter adjusting scheme according to a set material quality target and carry out real-time monitoring and control.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
The embodiment comprises the following steps: the system comprises a human-computer interface 1, a central control processing center 2, a database 3, a pre-burning control parameter command output 4, a pre-burning parameter control system 5, a material reactivity online detection system 6, a raw material automatic batching system 7, system alarm information setting 8 and an alarm information output 9.
The human-computer interface 1 is connected with the central control processing center 2, the human-computer interface 1 carries out human-computer interaction, the target value of the material reactivity is 1-1, the batching is set to be 1-2, and the information of the pre-burning control parameter limit 1-3 is transmitted to the central control processing center 2 after being set through the human-computer interface 1. Wherein:
the target material reactivity value 1-1 is the target value for the reactivity of the input produced material and is the final regulation target of the system.
The material proportioning setting 1-2 is the formula information input of raw materials, the automatic raw material proportioning system 7 is connected with the central control processing center 2, and the functional block of the automatic raw material proportioning system 7 automatically weighs and proportiones the raw materials according to the formula information input, wherein the raw materials comprise one or a mixture of iron oxide red, strontium carbonate, calcium carbonate, silicon dioxide, lanthanum oxide, cobalt oxide and boric acid.
The pre-burning control parameter limitation 1-3 is used for limiting the parameter range and the parameter adjustment priority in the pre-burning process, the pre-burning control parameters comprise negative pressure, feeding amount and temperature, the priority is divided into 1,2,3 and 1, and the parameters are adjusted according to the priority;
the central control processing center 2 is used for receiving the information fed back by each functional block, matching the information with the database, and outputting an information command to each functional block to realize automatic control of production.
The database set by the internal program of the central control processing center 2 stores the corresponding curve relation data of the material reactivity, the ingredient information of the raw materials and the pre-burning control parameters, and the curve relation data is established by accumulating a large amount of experimental data and is used as the basis of automatic control;
the central control processing center 2 obtains the optimal pre-burning control parameters 4 according to the matching with the database, and transmits the optimal pre-burning control parameters to the pre-burning parameter control system 5 through the communication network, and the central control processing center 2 stores the information.
The pre-burning parameter control system 5 consists of 3 parameter control system function blocks including a negative pressure control system 5-1, a feed flow control system 5-2 and a combustion control system 5-3, and the parameters include negative pressure, feed amount and temperature.
The negative pressure control system 5-1 is composed of a combustion-supporting fan, a kiln tail fan, 2 negative pressure meters and a flow meter, and the operation of the combustion-supporting fan and the kiln tail fan is controlled through frequency, so that the air pressure and the air quantity are changed, and the free control of the negative pressure is realized.
The feeding flow control system 5-2 is composed of a slurry delivery pump and a flow meter, and realizes free control of feeding flow.
The combustion control system 5-3 is composed of a combustion burner, an electric actuator, a combustion fan, an infrared temperature controller, an intelligent flowmeter and an intelligent pressure gauge, and realizes free control of the pre-burning temperature.
The material reactivity online detection system 6 consists of an automatic material sampling and sample feeding device, a reactivity tester and a microcomputer, and a detection result is fed back to the central control processing center 2 through a communication network.
The automatic raw material proportioning system 7 comprises a raw material storage tank, a weighing tank, a conveying dragon and a weight controller, and is used for automatically weighing raw materials according to formula information, wherein the raw materials comprise one or a mixture of iron red, strontium carbonate, calcium carbonate, silicon dioxide, lanthanum oxide, cobalt oxide and boric acid. The automatic material batching system 7 is controlled by the central control processing center 2.
The system alarm information setting 8 is a setting for inputting various trigger alarm conditions to the central control processing center 2, and the central control processing center 2 determines when each function block reaches the alarm trigger conditions. The alarm information output 9 is controlled to output alarm information.
The production control system of the strontium pre-sintered material of the invention is explained below with reference to specific examples:
(1) the recipe information for the raw materials was determined as shown in table 1:
table 1 raw material recipe information table
| Recipe number | Iron oxide red weight (kg) | Strontium carbonate weighing (kg) | Calcium carbonate weighing (kg) |
| 1 | 1296 | 205 | 7.5 |
Inputting the formula information of the raw materials into the ingredient setting 1-2 through the human-computer interface 1;
(2) the original material reactivity target value and the real-time pre-burning parameter control value are shown in table 2:
TABLE 2 reactivity target and real-time burn-in parameter control table
| The target value of the reactivity of the material (Oe) is originally set | Negative pressure real time value (Pa) | Real-time value of feeding amount (T/Hr) | Temperature real-time value (. degree. C.) |
| 3000±20 | -20 | 1.5 | 1280 |
(3) Determining a target material reactivity value: 3300 + -20 (Oe), inputting the target value of the material reactivity to the target value of the material reactivity through the human-computer interface 1 to set 1-1;
(4) burn-in control parameters are defined as shown in table 3:
table 3 burn-in control parameter limiting table
| Negative pressure regulation priority | Negative pressure limit value (Pa) | Priority of feed rate adjustment | Limiting value of feed rate (T/Hr) | Temperature adjustment priority | Temperature limit (. degree. C.) |
| Stage 2 | （-40）–0 | |
1.4-1.6 | |
1250-1300 |
Inputting the limiting information to the limitation 1-3 of the burn-in control parameters through a human-computer interface 1;
(5) the central control processing center 2 of the system of the invention matches and selects the corresponding curve relation data chart of the material reactivity, the ingredient information of the raw material and the pre-burning control parameters stored in the database 3 according to the 4 steps of information, and outputs the pre-burning parameter control information as shown in the table 4:
table 4 burn-in control parameter limiting table
| Negative pressure regulating value (Pa) | Feed rate regulation (T/Hr) | Temperature control value (. degree. C.) |
| -10 | 1.5 | 1250 |
(6) Step (5) obtaining a pre-burning parameter control information command to a pre-burning parameter control system 5 to adjust and control the pre-burning parameters;
(7) and (3) the material reactivity online detection system 6 detects the material reactivity after the step (6) is completed to obtain a value 3302(Oe), the detection information is fed back to the central control processing center 2 through a communication network to carry out target comparison, the target value is met, and the system stably operates according to the preburning parameter control information.
The above description is not intended to limit the present invention in any way on the structure and shape thereof. Any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the scope of the technical solution of the present invention.
Claims (4)
1. A production control system of strontium ferrite material that burns in advance which characterized in that: including human-computer interface, central control processing center, parameter control system, material reactivity on-line measuring system, raw materials automatic blending system of preburning, wherein:
the human-computer interface is connected with the central control processing center, a user inputs a material reactivity target value, a batching setting and a pre-burning control parameter limitation, and the material reactivity target value, the batching setting and the pre-burning control parameter limitation are respectively sent to the central control processing center through the human-computer interface;
the material reactivity online detection system detects the current material reactivity on the production line, is connected with the central control processing center and transmits the detected current material reactivity to the central control processing center;
the pre-burning parameter control system is used for controlling the production line to carry out pre-burning, and the central control processing center is connected with the pre-burning parameter control system; the central control processing center receives the material setting, the pre-burning control parameter limitation, the current material reactivity and the material reactivity target value, and matches the material setting, the pre-burning control parameter limitation and the current material reactivity with curve relation data stored in the database to obtain the corresponding curve relation data when the material reactivity target value is reached, so as to obtain the optimal pre-burning control parameter; transmitting the optimal pre-burning control parameters to a pre-burning parameter control system by a central control processing center, wherein the pre-burning parameter control system controls a production line to pre-burn based on the optimal pre-burning control parameters;
the automatic raw material batching system is used for controlling the production line to carry out automatic batching, and the central control processing center is connected with the automatic raw material batching system; the central control processing center sets the ingredients to be transmitted to the automatic ingredient system of the raw materials, and the automatic ingredient system of the raw materials controls the production line to carry out automatic ingredient based on the ingredient setting.
2. The production control system of strontium ferrite pre-sintered material of claim 1, wherein: the system alarm information setting and the alarm information output are respectively connected with the central control processing center, the system alarm information setting is used for a user to input a triggering alarm condition, the triggering alarm condition is set by the system alarm information and is transmitted to the central control processing center, and the central control processing center controls the alarm information to output alarm information outwards when the triggering alarm condition is reached.
3. The production control system of strontium ferrite pre-sintered material of claim 1, wherein: and the pre-burning parameter control system also transmits field production data information generated when the production line is pre-burned to the central control processing center.
4. The production control system of strontium ferrite pre-sintered material of claim 1, wherein: the pre-burning parameter control system comprises a negative pressure control system, a feeding flow control system and a combustion control system, the pre-burning control parameter limit comprises a control limit of the negative pressure control system, a control limit of the feeding flow control system and a control limit of the combustion control system, and the optimal pre-burning control parameter comprises a control parameter of the negative pressure control system, a control parameter of the feeding flow control system and a control parameter of the combustion control system.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117075568A (en) * | 2023-10-18 | 2023-11-17 | 绵阳沃思测控技术有限公司 | Batching control system based on continuous monitoring |
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