CN114167913A - Intelligent furnace lining temperature control system and method - Google Patents

Intelligent furnace lining temperature control system and method Download PDF

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Publication number
CN114167913A
CN114167913A CN202111498758.9A CN202111498758A CN114167913A CN 114167913 A CN114167913 A CN 114167913A CN 202111498758 A CN202111498758 A CN 202111498758A CN 114167913 A CN114167913 A CN 114167913A
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temperature
furnace lining
control system
value
layer
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CN202111498758.9A
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Chinese (zh)
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李泽忠
窦立丽
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Jiayan Qingdao Technology Service Co ltd
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Jiayan Qingdao Technology Service Co ltd
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Priority to CN202111498758.9A priority Critical patent/CN114167913A/en
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00Control of temperature
    • G05D23/19Control of temperature characterised by the use of electric means
    • G05D23/20Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)

Abstract

The invention relates to the technical field of furnace linings, in particular to an intelligent furnace lining temperature control system and a method, wherein the intelligent furnace lining temperature control system comprises a furnace lining body and a control system, the furnace lining body comprises a refractory layer, a fiber layer is fixedly connected outside the refractory layer, a semi-vacuum layer is fixedly connected outside the fiber layer, and a shell is fixedly connected outside the semi-vacuum layer; the fiber layer is made of fibrous materials with good heat insulation performance, a semi-vacuum chamber is formed in the semi-vacuum layer, and a plurality of temperature sensors are fixedly arranged on the fire-resistant layer, the fiber layer, the semi-vacuum layer and the shell; control system includes temperature monitoring module, temperature comparison module and temperature feedback module, and this application has effective isolated stove interior high temperature, can find the effect of damaged position fast.

Description

Intelligent furnace lining temperature control system and method
Technical Field
The invention relates to the technical field of furnace linings, in particular to an intelligent furnace lining temperature control system and method.
Background
The current furnace lining refers to the wall of a furnace used for refining metals and is made of refractory ceramics. Refractory bricks can be laid on the inner side of the high-temperature resistant ceramic to serve as heat-insulating and fireproof materials, and a hard protective layer is usually wrapped on the outer side of the high-temperature resistant ceramic. Besides maintaining the temperature in the furnace, the possibility of scalding the outer people can be reduced. At present, a system for monitoring the internal and external temperatures of a furnace lining generally gives an alarm when the internal and external temperatures of the furnace lining are abnormal.
Among the above-mentioned technical scheme, the furnace lining all causes the outside temperature of furnace lining too high easily when different positions take place to damage because of there is multilayer structure, but difficult to detect the damaged concrete position of furnace lining, has caused the difficulty to the maintenance.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides an intelligent furnace lining temperature control system and method.
The technical scheme of the invention is as follows:
on one hand, the invention provides an intelligent furnace lining temperature control system which comprises a furnace lining body and a control system, wherein the furnace lining body comprises a fire-resistant layer, a fiber layer is fixedly connected outside the fire-resistant layer, a semi-vacuum layer is fixedly connected outside the fiber layer, and a shell is fixedly connected outside the semi-vacuum layer;
the fiber layer is made of fibrous materials with good heat insulation performance, a semi-vacuum chamber is formed in the semi-vacuum layer, and a plurality of temperature sensors are fixedly arranged on the fire-resistant layer, the fiber layer, the semi-vacuum layer and the shell;
the control system comprises a temperature monitoring module, a temperature comparison module and a temperature feedback module;
the temperature monitoring module receives temperature values and relative position information detected by all the temperature sensors;
the temperature comparison module calls a temperature value and relative position information of the temperature monitoring module, the temperature comparison module divides the temperature value into a first temperature value, a second temperature value, a third temperature value and a fourth temperature value according to the relative position information, the first temperature value is compared with a first temperature preset range, the second temperature value is compared with a second temperature preset range, the third temperature value is compared with a third temperature preset range, the fourth temperature value is compared with a fourth temperature preset range, the first temperature preset range, the second temperature preset range, the third temperature preset range and the fourth temperature preset range are gradually reduced, and when any temperature value exceeds the corresponding temperature preset range, the temperature comparison module outputs an alarm signal;
the temperature feedback module receives the temperature value, the relative position information and the alarm signal, and displays the relative position information of the temperature value corresponding to the alarm signal according to the received information.
The invention achieves the following beneficial effects: the furnace lining is designed through four layers, the heat insulation performance is effectively enhanced, the fibrous structure of the fiber layer can effectively block heat, the quality is light, the heat insulation performance is further improved through vacuum heat insulation on the semi-vacuum layer, the control system monitors the temperature condition of each position of the furnace lining through a plurality of temperature sensors, automatic alarm is given when the temperature is abnormal, the alarm position is displayed, and the user can maintain the furnace lining in time.
Further, the relative position information of temperature sensor is preset to the temperature monitoring module, the detected value that sets firmly in the temperature sensor of flame retardant coating is first temperature value, the detected value that sets firmly in the temperature sensor of fibrous layer is the second temperature value, the detected value that sets firmly in the temperature sensor of semi-vacuum layer is the third temperature value, the detected value that sets firmly in the temperature sensor of shell is the fourth temperature value.
Through the scheme, the temperature of the refractory layer in the furnace lining is highest, the temperature of the shell is lowest, the temperature change between every two layers is extremely large, and the temperature value and the temperature range can be matched conveniently by the system through grouping the temperature values.
Further, the control system also comprises a data storage module, wherein the data storage module stores the temperature value, the relative position information and the alarm signal in real time and arranges the temperature value, the relative position information and the alarm signal according to a time sequence.
Through the scheme, the system stores and arranges all historical data, so that the temperature state change of the furnace lining in a period of time can be conveniently checked by a worker, the condition of the furnace lining can be conveniently judged by the worker, and the worker can timely carry out maintenance work.
Further, control system still includes colour judgement module, colour judgement module is preset has the colour contrast table, and the colour contrast table includes the corresponding relation of colour and temperature range two, and colour judgement module receives the temperature value and calculates the colour that the temperature value corresponds according to the colour contrast table, transmits the corresponding relation of temperature value and colour for temperature feedback module, and temperature feedback module shows the temperature value to use the colour that corresponds as the demonstration background colour of temperature value.
Through the scheme, the system can display the temperature values of the current positions, a user can conveniently know the state of the furnace lining, and meanwhile, the temperature values can be represented by colors in the approximate range, so that a worker can more quickly know the approximate range of each temperature value of the furnace lining.
Further, the colors in the color comparison table include red, yellow and green, the temperature range corresponding to red is larger than the temperature range corresponding to yellow, and the temperature range corresponding to yellow is larger than the temperature range corresponding to green.
By the scheme, the approximate range of the temperature value is easier to distinguish for a user by using the three primary colors.
Further, the fiber layer is made of ceramic fibers.
Through the scheme, the ceramic fiber has the advantages of light weight, good heat insulation performance, good thermal stability, good chemical stability, easy processing and convenient construction.
Further, the fiber layer is made of alumina fibers.
Through the scheme, the alumina fiber has the advantages of high tensile strength and good heat insulation performance, is more suitable for being used in a furnace lining, and effectively increases the overall strength of the furnace lining.
On the other hand, the invention provides an intelligent furnace lining temperature control method, which is based on any intelligent furnace lining temperature control system and comprises the following steps:
presetting the relative positions of all temperature sensors and the temperature range corresponding to each layer of furnace lining;
acquiring a temperature value detected by a temperature sensor and a relative position corresponding to the temperature sensor;
judging the furnace lining layer to which the temperature value belongs according to the relative position and selecting a corresponding temperature range;
comparing the detected temperature value with a preset temperature range;
when any temperature value exceeds the corresponding temperature range, an alarm is sent out, and the temperature value and the relative position are displayed.
The invention achieves the following beneficial effects: the temperature conditions of all positions of the furnace lining can be monitored through the plurality of temperature sensors, automatic alarm is given when the temperature is abnormal, the alarm position is displayed, and the furnace lining maintenance is convenient for users to maintain in time.
The intelligent furnace lining temperature control system has the following advantages:
1. the fibrous structure of fibrous layer can effectively obstruct the heat, and the quality is light, and the semi-vacuum layer has further improved heat-proof quality through vacuum insulation.
2. The control system monitors the temperature condition of each position of the furnace lining through a plurality of temperature sensors, automatically alarms when the temperature is abnormal, displays the alarm position and is convenient for users to maintain in time.
Drawings
FIG. 1 is a schematic overall structure diagram of a first embodiment of the present invention;
fig. 2 is a block diagram of a control system according to an embodiment of the present invention.
In the figure, 1, a furnace lining body; 11. a refractory layer; 12. a fibrous layer; 13. a semi-vacuum layer; 131. a chamber; 14. a housing; 15. a temperature sensor; 2. a control system; 21. a temperature monitoring module; 22. a temperature comparison module; 23. a temperature feedback module; 24. a data storage module; 25. and a color judgment module.
Detailed Description
To facilitate an understanding of the present invention by those skilled in the art, specific embodiments thereof are described below with reference to the accompanying drawings.
In the description of the present application, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The first embodiment of the invention provides an intelligent furnace lining temperature control system, as shown in fig. 1, which includes a furnace lining body 1, wherein the furnace lining body 1 includes a refractory layer 11, a fiber layer 12 is fixedly connected to the outside of the refractory layer 11, a semi-vacuum layer 13 is fixedly connected to the outside of the fiber layer 12, an outer shell 14 is fixedly connected to the outside of the semi-vacuum layer 13, the fiber layer 12 surrounds the refractory layer 11, the semi-vacuum layer 13 surrounds the fiber layer 12, and the outer shell 14 surrounds the semi-vacuum layer 13. The refractory layer 11 is made of refractory bricks and serves as an innermost layer of the lining to insulate heat and support the lining. The fiber layer 12 is made of ceramic fibers or alumina fibers, and polycrystalline alumina fibers may be used as the alumina fibers. The ceramic fiber has the advantages of light weight, good heat insulation performance, good thermal stability, good chemical stability, easy processing and convenient construction, and can effectively insulate heat. The alumina fiber has the advantages of high tensile strength and good heat insulation performance, is more suitable for being used in a furnace lining, and effectively increases the integral strength of the furnace lining. Semi-vacuum layer 13 is made by hard materials such as metal, has seted up cavity 131 in semi-vacuum layer 13 to evacuation in cavity 131 makes to be in semi-vacuum environment in cavity 131, utilizes vacuum thermal-insulated to improve heat-proof quality, and semi-vacuum cavity 131 is also than vacuum cost low simultaneously, and the effect gap is not big. The housing 14 is made of a high-strength material such as metal.
As shown in fig. 1 and fig. 2, the furnace lining body 1 is connected with a control system 2, and a plurality of temperature sensors 15 are fixedly arranged on the refractory layer 11, the fiber layer 12, the semi-vacuum layer 13 and the outer shell 14. The control system 2 comprises a temperature monitoring module 21, a temperature comparison module 22, a temperature feedback module 23, a data storage module 24 and a color judgment module 25.
As shown in fig. 1 and 2, the temperature monitoring module 21 is preset with relative position information of the temperature sensor 15, the temperature monitoring module 21 receives temperature values and relative position information detected by all the temperature sensors 15, a detection value of the temperature sensor 15 fixed to the refractory layer 11 is a first temperature value, a detection value of the temperature sensor 15 fixed to the fiber layer 12 is a second temperature value, a detection value of the temperature sensor 15 fixed to the semi-vacuum layer 13 is a third temperature value, and a detection value of the temperature sensor 15 fixed to the outer shell 14 is a fourth temperature value.
As shown in fig. 1 and 2, the temperature comparison module 22 calls the temperature value and the relative position information of the temperature monitoring module 21, where the relative position information is coordinate information in the same three-dimensional coordinate system. The temperature comparison module 22 divides the temperature value into a first temperature value, a second temperature value, a third temperature value and a fourth temperature value according to the relative position information, compares the first temperature value with a first temperature preset range, compares the second temperature value with a second temperature preset range, compares the third temperature value with a third temperature preset range, compares the fourth temperature value with a fourth temperature preset range, the first temperature preset range, the second temperature preset range, the third temperature preset range and the fourth temperature preset range are gradually reduced, and when any temperature value exceeds the corresponding temperature preset range, the temperature comparison module 22 outputs an alarm signal.
As shown in fig. 1 and 2, the color determination module 25 is preset with a color comparison table, the color comparison table includes a corresponding relationship between a color and a temperature range, the color determination module 25 receives the temperature value and calculates a color corresponding to the temperature value according to the color comparison table, the color in the color comparison table includes red, yellow and green, the red in the color comparison table corresponds to more than 70 degrees celsius, the yellow corresponds to 50 to 70 degrees celsius, and the green corresponds to less than 50 degrees celsius. The temperature of 50 ℃ to 70 ℃ can scald the contact person, and the temperature of more than 70 ℃ can scald the contact person instantly. The color judgment module 25 transmits the corresponding relationship between the temperature value and the color to the temperature feedback module 23.
As shown in fig. 1 and 2, the temperature feedback module 23 receives the temperature value, the relative position information, and the alarm signal, displays the relative position information of the temperature value corresponding to the alarm signal according to the received information, and the temperature feedback module 23 generates a temperature chart by using all the received temperature values to display the temperature chart, and uses the corresponding color as the display background color of the temperature value. The data storage module 24 stores the temperature values, the relative position information and the alarm signals in real time and arranges the temperature values, the relative position information and the alarm signals according to a time sequence.
The invention provides an implementation principle of an intelligent furnace lining temperature control system, which comprises the following steps: the furnace lining is designed by four layers, the heat insulation performance is effectively enhanced, the fibrous structure of the fiber layer 12 can effectively block heat, the weight is light, and the semi-vacuum layer 13 further improves the heat insulation performance through vacuum heat insulation. The control system 2 monitors the temperature condition of each position of the furnace lining through a plurality of temperature sensors 15, automatically alarms when the temperature is abnormal, displays the alarm position and is convenient for users to maintain in time. Meanwhile, the control system 2 can store and arrange all historical data, so that the temperature state change of the furnace lining in a period of time can be conveniently checked by a worker, the condition of the furnace lining can be conveniently judged by the worker, and the worker can timely carry out maintenance work. The control system 2 can also display the current temperature values of all positions in the form of a temperature chart, so that a user can conveniently know the state of the furnace lining, and meanwhile, the temperature values can be represented by the approximate range of the temperature values in colors, so that a worker can more quickly know the approximate range of the temperature values of all positions of the furnace lining.
The second embodiment of the invention provides an intelligent furnace lining temperature control method, based on the intelligent furnace lining temperature control system of the first embodiment, the specific steps are as follows:
and S1, presetting the relative positions of all the temperature sensors 15 and the corresponding temperature range of each layer of furnace lining. The relative position is a coordinate under the same three-dimensional coordinate system.
And S2, acquiring the temperature value detected by the temperature sensor 15 and the corresponding relative position of the temperature sensor 15. The temperature values correspond to the relative positions one to one.
And S3, judging the furnace lining to which the temperature value belongs according to the relative position and selecting a corresponding temperature range. The temperature ranges of the refractory layer 11, the fiber layer 12, the semi-vacuum layer 13 and the outer shell 14 are gradually decreased in value.
And S4, comparing the detected temperature value with a preset temperature range. And making a temperature chart by using the detected temperature value and storing the temperature chart.
And S5, when any temperature value exceeds the corresponding temperature range, giving an alarm and displaying the temperature value and the relative position.
The method can monitor the temperature condition of each position of the furnace lining through a plurality of temperature sensors 15, automatically alarm when the temperature is abnormal, display the alarm position and facilitate the timely maintenance of users.
The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (8)

1. The utility model provides an intelligence furnace lining temperature control system which characterized in that: the furnace lining comprises a furnace lining body (1) and a control system (2), wherein the furnace lining body (1) comprises a fire-resistant layer (11), a fiber layer (12) is fixedly connected outside the fire-resistant layer (11), a semi-vacuum layer (13) is fixedly connected outside the fiber layer (12), and a shell (14) is fixedly connected outside the semi-vacuum layer (13);
the fiber layer (12) is made of fibrous materials with good heat insulation performance, a semi-vacuum chamber (131) is formed in the semi-vacuum layer (13), and a plurality of temperature sensors (15) are fixedly arranged on the fire-resistant layer (11), the fiber layer (12), the semi-vacuum layer (13) and the shell (14);
the control system (2) comprises a temperature monitoring module (21), a temperature comparison module (22) and a temperature feedback module (23);
the temperature monitoring module (21) receives temperature values and relative position information detected by all the temperature sensors (15);
the temperature comparison module (22) calls the temperature value and the relative position information of the temperature monitoring module (21), the temperature comparison module (22) divides the temperature value into a first temperature value, a second temperature value, a third temperature value and a fourth temperature value according to the relative position information, the first temperature value is compared with a first preset temperature range, the second temperature value is compared with a second preset temperature range, the third temperature value is compared with a third preset temperature range, the fourth temperature value is compared with a fourth preset temperature range, the first preset temperature range, the second preset temperature range, the third preset temperature range and the fourth preset temperature range are gradually reduced, and when any temperature value exceeds the corresponding preset temperature range, the temperature comparison module (22) outputs an alarm signal;
the temperature feedback module (23) receives the temperature value, the relative position information and the alarm signal, and displays the relative position information of the temperature value corresponding to the alarm signal according to the received information.
2. The intelligent furnace lining temperature control system according to claim 1, characterized in that: the relative position information of temperature sensor (15) is preset in temperature monitoring module (21), the detected value that sets firmly in temperature sensor (15) of flame retardant coating (11) is first temperature value, the detected value that sets firmly in temperature sensor (15) of fibrous layer (12) is the second temperature value, the detected value that sets firmly in temperature sensor (15) of semi-vacuum layer (13) is the third temperature value, the detected value that sets firmly in temperature sensor (15) of shell (14) is the fourth temperature value.
3. The intelligent furnace lining temperature control system according to claim 1, characterized in that: the control system (2) further comprises a data storage module (24), and the data storage module (24) stores the temperature values, the relative position information and the alarm signals in real time and arranges the temperature values, the relative position information and the alarm signals according to a time sequence.
4. The intelligent furnace lining temperature control system according to claim 1, characterized in that: the control system (2) further comprises a color judgment module (25), a color comparison table is preset in the color judgment module (25), the color comparison table comprises a corresponding relation between colors and temperature ranges, the color judgment module (25) receives the temperature values, calculates the colors corresponding to the temperature values according to the color comparison table, transmits the corresponding relation between the temperature values and the colors to the temperature feedback module (23), and the temperature feedback module (23) displays the temperature values and uses the corresponding colors as display background colors of the temperature values.
5. The intelligent furnace lining temperature control system according to claim 4, characterized in that: the colors in the color comparison table comprise red, yellow and green, the temperature range corresponding to the red is larger than that corresponding to the yellow, and the temperature range corresponding to the yellow is larger than that corresponding to the green.
6. The intelligent furnace lining temperature control system according to claim 1, characterized in that: the fiber layer (12) is made of ceramic fibers.
7. The intelligent furnace lining temperature control system according to claim 1, characterized in that: the fiber layer (12) is made of alumina fibers.
8. An intelligent furnace lining temperature control method based on any intelligent furnace lining temperature control system of claims 1 to 6 is characterized by comprising the following steps:
presetting the relative positions of all temperature sensors (15) and the corresponding temperature range of each layer of furnace lining;
acquiring a temperature value detected by a temperature sensor (15) and a corresponding relative position of the temperature sensor (15);
judging the furnace lining layer to which the temperature value belongs according to the relative position and selecting a corresponding temperature range;
comparing the detected temperature value with a preset temperature range;
when any temperature value exceeds the corresponding temperature range, an alarm is sent out, and the temperature value and the relative position are displayed.
CN202111498758.9A 2021-12-09 2021-12-09 Intelligent furnace lining temperature control system and method Pending CN114167913A (en)

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Application Number Priority Date Filing Date Title
CN202111498758.9A CN114167913A (en) 2021-12-09 2021-12-09 Intelligent furnace lining temperature control system and method

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Application Number Priority Date Filing Date Title
CN202111498758.9A CN114167913A (en) 2021-12-09 2021-12-09 Intelligent furnace lining temperature control system and method

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CN114167913A true CN114167913A (en) 2022-03-11

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206146221U (en) * 2016-10-26 2017-05-03 重庆蔡氏液压设备有限公司 But annealing stove of temperature in real -time detection furnace body
CN106871633A (en) * 2017-04-18 2017-06-20 中冶京诚工程技术有限公司 A kind of method and system of the furnace bottom outside wall temperature for monitoring electric arc furnaces
CN108151536A (en) * 2017-12-14 2018-06-12 湖北鄂信钻石科技股份有限公司 A kind of method for prejudging intermediate frequency furnace bottom pour ladle
CN110669896A (en) * 2019-09-11 2020-01-10 山东钢铁股份有限公司 Converter body multipoint temperature measurement method
CN212006717U (en) * 2020-01-21 2020-11-24 天津市通达广源科技发展有限公司 Miniature crucible furnace capable of heating up at highest speed
CN113310324A (en) * 2021-05-25 2021-08-27 中国恩菲工程技术有限公司 Metallurgical furnace monitoring system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206146221U (en) * 2016-10-26 2017-05-03 重庆蔡氏液压设备有限公司 But annealing stove of temperature in real -time detection furnace body
CN106871633A (en) * 2017-04-18 2017-06-20 中冶京诚工程技术有限公司 A kind of method and system of the furnace bottom outside wall temperature for monitoring electric arc furnaces
CN108151536A (en) * 2017-12-14 2018-06-12 湖北鄂信钻石科技股份有限公司 A kind of method for prejudging intermediate frequency furnace bottom pour ladle
CN110669896A (en) * 2019-09-11 2020-01-10 山东钢铁股份有限公司 Converter body multipoint temperature measurement method
CN212006717U (en) * 2020-01-21 2020-11-24 天津市通达广源科技发展有限公司 Miniature crucible furnace capable of heating up at highest speed
CN113310324A (en) * 2021-05-25 2021-08-27 中国恩菲工程技术有限公司 Metallurgical furnace monitoring system

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