CN-117742413-B - Multi-point digital heating system of heating furnace and heating method thereof

CN117742413BCN 117742413 BCN117742413 BCN 117742413BCN-117742413-B

Abstract

The invention discloses a heating furnace multipoint digital heating system and a heating method thereof, in particular to the technical field of digital control, the invention judges whether the heating furnace needs to be regulated and controlled or abnormally maintained based on the heating furnace parameter data processing result, an intelligent regulation and control module is arranged to regulate and control the heating furnace parameters after receiving a regulation and control instruction, the regulation and control success records the time required by regulation and control, the regulation and control failure sends a regulation and control abnormal instruction to an operation abnormal maintenance module, the invention sets the equipment update judging module to compare the calculated operation quality index of the heating furnace with the preset operation quality index critical value of the heating furnace so as to judge whether the equipment needs to be updated or not, thereby avoiding production loss and production risk caused by the excessive use of the heating furnace.

Inventors

WANG FEI
LI GUOHUA
ZHU XIANWEI
ZHU XUAN
KE GUOQUAN
WANG JUN
ZHANG TAO

Assignees

洛阳蔚蓝能源科技发展有限公司

Dates

Publication Date: 20260512
Application Date: 20231228

Claims (6)

1. A multi-point digital heating system of a heating furnace is characterized by comprising: the heating furnace parameter real-time monitoring module is used for monitoring the data of the heating furnace in real time based on the arranged sensors; the heating furnace parameter data processing module is used for processing the heating furnace data received in real time to calculate average furnace wall temperature, average hearth temperature, average furnace wall pressure, average furnace gas pressure and real-time power; the heating furnace operation judging module judges whether the heating furnace needs to be regulated or not and whether the heating furnace operation is abnormal or not based on the data calculated by the heating furnace parameter data processing module, and outputs a judging result; The intelligent regulation and control module is used for regulating and controlling parameters of the heating furnace after receiving the regulation and control instruction, recording the time length required by regulation and control if the regulation and control is successful, sending a regulation and control abnormal instruction to the operation abnormal maintenance module if the regulation and control is failed, and automatically backing up regulation and control data in the application of the heating furnace; The operation abnormality maintenance module is used for suspending the operation of the heating furnace after receiving the operation abnormality instruction of the heating furnace or the regulation abnormality instruction, arranging maintenance personnel of the heating furnace for maintenance, recording the total equipment maintenance duration and the total equipment operation duration in the application of the heating furnace and sending the total equipment maintenance duration and the total equipment operation duration to the heating furnace operation data processing module; The heating furnace operation data processing module is used for calculating the average matching degree of the discharged gas according to the discharged gas composition data of the heating furnace and the expected discharged gas composition data, calculating the average regulation and control time rate and the regulation and control effective rate according to the regulation and control data, and calculating the effective utilization rate of the equipment according to the equipment maintenance total time length and the equipment operation total time length; The heating furnace operation data processing module comprises a data receiving unit, a data calling unit, a discharging gas average matching degree calculating unit, an average regulation and control time rate calculating unit, a regulation and control effective rate calculating unit, an equipment effective utilization rate calculating unit and a data output unit, wherein the data receiving unit is used for receiving a discharging gas component type Z ai detected by an ith discharging hole setting gas component detector of the heating furnace, a j detected gas concentration ratio C aij , a time period t ki required by successful regulation, a regulating and control front-back deviation coefficient difference value sigma xi , a regulating and control success number m c , a regulating and control failure number m s , an equipment maintenance total time length t w and an equipment operation total time length t g , the data calling unit is used for calling a preset ith discharging hole discharging gas component type Z asi , a preset deviation coefficient sigma Casj corresponding to the j th gas concentration, and the discharging gas average matching degree calculating unit calculates a discharging gas average matching degree beta xe according to a specific calculation formula: N L is the number of discharge ports of the heating furnace, beta xi is the matching degree of the discharge gas information of the ith discharge port of the heating furnace, and the specific calculation formula is as follows: Beta Zi is the matching degree of the components of the discharged gas of the ith discharge port of the heating furnace, and the specific calculation formula is as follows: M Zgi、 m Zasi is the number of the same gas component types of the actual discharge gas component types of the ith discharge port of the heating furnace and the preset discharge gas component types, beta Ci is the concentration matching degree of the discharge gas of the ith discharge port of the heating furnace, and a specific calculation formula is as follows: The average regulation and timing rate calculating unit calculates the regulation and timing rate X tki of the ith successful regulation according to the length tki required by the ith successful regulation and the difference value sigma xi of the deviation coefficients before and after the regulation, and the specific calculation formula is as follows: The average regulation and control time rate X tke is calculated by summarizing the regulation and control time rate X tki of each successful regulation and control, and the specific calculation formula is as follows: The specific calculation formula for calculating the regulation effective rate X ya by the regulation effective rate calculation unit based on the regulation success times m c and the regulation failure times m s is as follows: The specific calculation formula for calculating the equipment effective utilization rate X Ls by the equipment effective utilization rate calculation unit based on the equipment maintenance total time length t w and the equipment operation total time length t g is as follows: The data output unit is used for sending the calculated average matching degree, average regulation and control time rate, regulation and control effective rate and equipment effective utilization rate of the discharged gas to the heating furnace operation quality comprehensive evaluation module; The heating furnace operation quality comprehensive evaluation module is used for calculating the heating furnace operation quality index based on the average matching degree, the average regulation and control time rate, the regulation and control effective rate and the equipment effective utilization rate of the discharged gas; The heating furnace operation quality comprehensive evaluation module comprises a data receiving unit, a heating furnace operation quality index calculating unit and a data output unit, wherein the data receiving unit is used for receiving the calculated average matching degree, average regulation and control time rate, regulation and control effective rate and equipment effective utilization rate of discharged gas; The specific calculation formula for calculating the operation quality index QY of the heating furnace by the heating furnace operation quality index calculation unit based on the average matching degree beta xe , the average regulation and control time rate X tke , the regulation and control effective rate X ya and the equipment effective utilization rate X Ls of the discharged gas is as follows: The data output unit is used for sending the calculated operation quality index of the heating furnace to the equipment updating judging module; and the equipment updating judging module is used for comparing the calculated operation quality index of the heating furnace with a preset operation quality index critical value, and if the calculated value is larger than or equal to the preset value, equipment does not need to be updated, and if the calculated value is smaller than the preset value, equipment needs to be updated.
2. A heating furnace multipoint digital heating system according to claim 1, wherein the heating furnace parameter real-time monitoring module comprises an in-furnace multipoint data detection unit, a multipoint detection data real-time output unit, a heating furnace operation monitoring unit and a heating furnace operation parameter real-time output unit, wherein the in-furnace multipoint data detection unit detects a furnace wall temperature T bij detected by a j-th temperature detection site of an I-th temperature detection section of the heating furnace and a hearth temperature T ai detected by a center site of the I-th temperature detection section of the heating furnace through a set temperature sensor, detects a furnace wall pressure P bij detected by a j-th pressure detection site of the I-th pressure detection section of the heating furnace and a furnace gas pressure P ai detected by a center site of the I-th pressure detection section of the heating furnace through a set pressure sensor, detects a heating furnace I-th discharge port gas component Z ai through a set gas component detector, the detected j-th gas concentration ratio C aij , the multipoint detection data real-time output unit sends detected real-time temperature and pressure data to the heating furnace through the set pressure sensor, the heating furnace operation monitoring module obtains the heating furnace current data by the heating furnace operation monitoring module, and obtains the real-time data to the heating furnace current processing module, and obtains the heating furnace operation parameter data by the heating furnace current processing module, and obtains the real-time data by the heating furnace current processing module and obtains the real-time data.
3. The multi-point digital heating system of a heating furnace according to claim 1, wherein the heating furnace parameter data processing module comprises a data receiving unit, a data fluctuation time line integrating unit, a furnace inner data processing unit and a data output unit, the data receiving unit is used for receiving data sent by the heating furnace parameter real-time monitoring module, the data fluctuation time line integrating unit is used for arranging data fluctuation time in sequence and marking furnace wall temperature and furnace chamber temperature, furnace wall pressure and furnace inner gas pressure, current, voltage and heating time at the same time of each fluctuation time point as time point data, and the furnace inner data processing unit is used for calculating a k fluctuation time point average furnace wall temperature T bek , an average furnace wall temperature T aek , an average furnace wall pressure P bek , an average furnace inner gas pressure P aek and a real-time power P rk , and the specific calculation formula is as follows: n 1 is the number of temperature detection sites set on the temperature detection section, n a is the number of temperature detection sections set, , N 2 is the number of pressure detection sites set on the pressure detection section, n b is the number of pressure detection sections set, , And the data output unit is used for sending the calculated data to the heating furnace operation judging module.
4. A multi-point digital heating system of a heating furnace according to claim 1, wherein the heating furnace operation judging module comprises a data receiving unit, a data calling unit, a heating furnace parameter deviation coefficient calculating unit, a heating furnace regulation judging unit, a heating furnace operation data processing unit, a heating furnace operation abnormality judging unit and a judging result output unit, wherein the data receiving unit is used for receiving a kth fluctuation time point average furnace wall temperature T bek , a heating furnace parameter data processing module and a heating furnace parameter deviation coefficient calculating unit, Average furnace temperature T aek , average furnace wall pressure P bek , The data acquisition unit is used for acquiring the preset furnace wall temperature T bs and the preset deviation coefficient sigma Tbs , preset furnace temperature T as and preset deviation coefficient σ Tas , preset furnace wall pressure P bs and preset deviation coefficient σ Pbs , The heating furnace parameter deviation coefficient calculating unit calculates the furnace wall temperature deviation coefficient sigma Tbvk , the hearth temperature deviation coefficient sigma Tavk at the kth fluctuation time point, The furnace wall pressure deviation coefficient sigma Pbvk and the furnace internal air pressure deviation coefficient sigma Pavk are specifically calculated as follows: 、、、 The heating furnace regulation and control judging unit compares the calculated k fluctuation time point furnace wall temperature deviation coefficient sigma Tbvk , furnace temperature deviation coefficient sigma Tavk , furnace wall pressure deviation coefficient sigma Pbvk , and furnace internal air pressure deviation coefficient sigma Pavk with a preset corresponding parameter deviation coefficient, judges that regulation and control are needed to be carried out on the parameters in the heating furnace when the calculated deviation value is larger than the preset deviation value, judges that regulation and control are not needed when the deviation value is smaller than or equal to the preset value, and the heating furnace operation data processing unit acquires the shortest time ta when the deviation value of the parameters in the heating furnace is smaller than the corresponding preset value, compares the shortest time ta with the expected time ts to calculate a heating time delay coefficient alpha ta , wherein the specific calculation formula is as follows: The accumulated electric energy consumption W rz of the heating furnace is calculated, and the specific calculation formula is as follows: The heating furnace operation abnormality judging unit judges that the heating furnace is abnormal when the heating delay coefficient is larger than 1 or the accumulated electric energy consumption is larger than the preset electric energy consumption W rs , and the judging result output unit sends a judging instruction needing to be regulated to the intelligent regulation module and sends the judging instruction of the heating furnace operation abnormality to the operation abnormality maintenance module.
5. The multi-point digital heating system of a heating furnace according to claim 1, wherein the intelligent regulation module comprises an instruction receiving unit, a regulation result judging unit, a regulation data recording unit and a data output unit, the instruction receiving unit is used for receiving a regulation instruction, the regulation unit regulates parameters of the heating furnace based on the regulation instruction, the regulation result judging unit judges that regulation is successful when the parameters of the heating furnace meet preset operation requirements after regulation is completed, otherwise judges that regulation is failed, the regulation data recording unit is used for recording time t ki required by successful regulation, a difference value sigma xi between a coefficient before and after regulation, m c of the regulation success times and m s of the regulation failure times, and the data output unit is used for sending recorded regulation data to the heating furnace operation data processing module.
6. A method for heating a heating furnace by multi-point digital heating, which is characterized by comprising the following steps of: S1, monitoring furnace wall temperatures and hearth temperatures at different positions of a heating furnace, furnace wall pressures and furnace inner gas pressures, and the concentration proportion of gas components of feeding and discharging of the heating furnace and different types of gases in real time based on arranged sensors, and acquiring real-time current, voltage and heating time of the heating furnace by utilizing a camera; S2, processing the temperature, pressure, current and voltage data received in real time to calculate average furnace wall temperature, average hearth temperature, average furnace wall pressure, average furnace gas pressure and real-time power; S3, judging whether the heating furnace needs to be regulated and controlled or not and whether the heating furnace operates abnormally or not based on the data obtained by calculation of the heating furnace parameter data processing module, and outputting a judging result; s4, after receiving the regulation instruction, regulating and controlling the parameters of the heating furnace, recording the time length required by regulation and controlling successfully, and sending a regulation abnormal instruction to an operation abnormal maintenance module when the regulation and controlling fail, and automatically backing up the regulation and controlling data in the application of the heating furnace; s5, suspending the operation of the heating furnace after receiving an abnormal operation instruction or an abnormal regulation instruction of the heating furnace, arranging maintenance personnel of the heating furnace for maintenance, and recording the total equipment maintenance duration and the total equipment operation duration in the application of the heating furnace; s6, calculating the average matching degree of the discharged gas based on the received discharged gas composition data of the heating furnace and the expected discharged gas composition data, calculating the average regulation time rate and the regulation effective rate according to the regulation data, and calculating the equipment effective utilization rate according to the equipment maintenance total duration and the equipment operation total duration; s7, calculating the operation quality index of the heating furnace based on the average matching degree, average regulation and control time rate, regulation and control effective rate and equipment effective utilization rate of the discharged gas; and S8, comparing the calculated operation quality index of the heating furnace with a preset operation quality index critical value of the heating furnace, wherein equipment is not required to be updated if the calculated value is larger than or equal to the preset value, and equipment is required to be updated if the calculated value is smaller than the preset value.

Description

Multi-point digital heating system of heating furnace and heating method thereof Technical Field The invention relates to the technical field of digital control, in particular to a multi-point digital heating system of a heating furnace and a heating method thereof. Background Along with the wide application of the intelligent age, traditional heating manual control modes of a heating furnace are gradually eliminated, an existing heating furnace heating control system is provided with a temperature sensor module for measuring temperatures of different positions in the furnace, a data transmission module is arranged for transmitting data acquired by the sensor module to a control system, a control system module presets operation parameters before the heating furnace is applied, whether the heating furnace reaches preset operation conditions is identified according to the data of the temperature sensor, the heating furnace is converted into a maintenance mode after the preset operation parameters are reached, early warning is sent when actual parameters of the heating furnace are not matched with the preset operation parameters, a manager regulates and controls the operation parameters of the heating furnace according to early warning information, the heating furnace is closed after the preset operation time is ended, a large number of manual control steps are reduced, the control accuracy of the heating furnace can be improved, and the application quality of the heating furnace is improved. However, the system still has some problems that when the early warning that the actual parameters of the heating furnace are not matched with the preset operation parameters is received in the actual application of the heating furnace, the manager can immediately regulate the actual parameters under ideal conditions, and the regulation and control operation of the manager under non-ideal conditions can have time delay, so that the produced substances of the heating furnace deviate from the preset produced substances, the quality of the produced substances cannot be ensured, and the error should be avoided as much as possible. Disclosure of Invention In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide a multi-point digital heating system of a heating furnace and a heating method thereof, so as to solve the above-mentioned problems of the prior art. In order to achieve the purpose, the invention provides a multi-point digital heating system of a heating furnace, which comprises the following technical scheme: the heating furnace parameter real-time monitoring module is used for monitoring the data of the heating furnace in real time based on the arranged sensors; the heating furnace parameter data processing module is used for processing the heating furnace data received in real time to calculate average furnace wall temperature, average hearth temperature, average furnace wall pressure, average furnace gas pressure and real-time power; the heating furnace operation judging module judges whether the heating furnace needs to be regulated or not and whether the heating furnace operation is abnormal or not based on the data calculated by the heating furnace parameter data processing module, and outputs a judging result; The intelligent regulation and control module is used for regulating and controlling parameters of the heating furnace after receiving the regulation and control instruction, recording the time length required by regulation and control if the regulation and control is successful, sending a regulation and control abnormal instruction to the operation abnormal maintenance module if the regulation and control is failed, and automatically backing up regulation and control data in the application of the heating furnace; The operation abnormality maintenance module is used for suspending the operation of the heating furnace after receiving the operation abnormality instruction of the heating furnace or the regulation abnormality instruction, arranging maintenance personnel of the heating furnace for maintenance, recording the total equipment maintenance duration and the total equipment operation duration in the application of the heating furnace and sending the total equipment maintenance duration and the total equipment operation duration to the heating furnace operation data processing module; The heating furnace operation data processing module is used for calculating the average matching degree of the discharged gas according to the discharged gas composition data of the heating furnace and the expected discharged gas composition data, calculating the average regulation and control time rate and the regulation and control effective rate according to the regulation and control data, and calculating the effective utilization rate of the equipment according to the equipment maintenance total time length and the equipment operation total time length; The