CN-122022680-A - Intelligent storage dynamic management and control system for coal

CN122022680ACN 122022680 ACN122022680 ACN 122022680ACN-122022680-A

Abstract

The invention discloses an intelligent storage dynamic control system for coal, which relates to the technical field of dynamic control for coal, and comprises a control system, wherein the control system comprises a multi-mode dust-resistant sensing layer, a dust self-cleaning airflow device is configured by integrating a microwave moisture meter, a thermal infrared imager and a laser sulfur analyzer, coal moisture, temperature and sulfur data are acquired in real time, and a coal quality-transportation double-factor decision layer comprises a dynamic storage mapping model and is used for calculating a storage priority index The invention has the advantages that the real-time collection of the moisture, the temperature and the sulfur content of the coal pile is realized through the multi-mode dust-resistant sensing layer, and the problems of long detection period and dust interference precision of the traditional manual sampling are solved by matching with the track type inspection robot and the dust self-cleaning air flow device, so that the coverage rate of the coal pile is ensured to reach 100%, and the sensor fault response is rapid.

Inventors

HUO DONG
ZHAO XINSHENG
YUAN SHUAI
KONG XIANGYU

Assignees

中煤华晋集团有限公司

Dates

Publication Date: 20260512
Application Date: 20260123

Claims (7)

1. The utility model provides a coal intelligent storage developments management and control system, includes management and control system, its characterized in that, management and control system includes: the multi-mode dust-resistant sensing layer is integrated with a microwave moisture meter, an infrared thermal imager and a laser sulfur analyzer, is provided with a dust self-cleaning air flow device, and acquires the moisture, temperature and sulfur data of coal in real time; The coal quality-transportation double-factor decision layer comprises a dynamic storage mapping model, and a storage priority index is calculated Then Is distributed to the common storage area when And then is distributed to the priority storage area: ; Wherein, the Is the value of the volatile component coefficient, Is the value of the sulfur coefficient, To take the value of the transport urgency factor, when the volatile factor is >30%, Taking the value of 1, when the volatile component coefficient is 15% -30%, The value of 0.5, when the volatile coefficient is less than 15 percent, The value of 0.2, when the sulfur coefficient is more than 2 percent, Taking a value of 1, when the sulfur content coefficient is less than or equal to 2 percent, The value is 0.3, when the transport is carried out within 24 hours, Takes a value of 1.0, and when transported within 48 hours, The value of the material is 0.6, when the material is transported for more than 72 hours, The value is 0.2; the non-contact execution layer consists of a pneumatic conveying system, a hydraulic driving telescopic blanking pipe and a tail end rotary distributor; The closed loop cooperative transportation interface is communicated with an external transportation system through an industrial Ethernet to acquire the hourly transportation quantity of the belt flow machine And set a threshold value When the flow of the belt conveyor And automatically starting the emergency storage area.
2. The intelligent storage dynamic management and control system for coal is characterized in that the multi-mode dust-resistant sensing layer further comprises a track type inspection robot, the track type inspection robot carries a microwave moisture meter, an infrared thermal imager and a laser sulfur analyzer to move along a circular track at the top of a storage area, a scanning period is set, coal pile data are obtained through the scanning period, a coal pile surface area of which a scanning path is not covered is obtained through a formula, and the specific formula is as follows: ; The sensor fault self-diagnosis function is provided, the coverage rate of the coal pile is ensured to be more than or equal to 98 percent, The curvature correction rate is used.
3. The intelligent storage dynamic control system of coal according to claim 1, wherein a coal sulfur isolation control method is set in the dynamic storage mapping model, a coal sulfur fraction value is obtained in a multi-mode dust-resistant sensing layer, and the percentage of the coal sulfur fraction is calculated When the percentage of sulfur in the coal is more than 3%, calculating according to 3%, and obtaining the safety interval distance of the low-sulfur coal storage position through a formula, wherein the specific formula is as follows: ; Wherein, the Is the safe interval distance of the low sulfur coal storage position, The environmental coefficient is analyzed according to the humidity and the wind speed of the storage area, the environmental coefficient is 5-8, Is the percentage of sulfur in coal, and the safety interval distance safety threshold value of the low sulfur coal storage position is And providing an impermeable film in the safe distance When the sulfur coal storage position is in the process of the sulfur coal storage position, the safety interval distance calculation between the sulfur coal storage positions is canceled, and the safety threshold between the sulfur coal storage positions is set to be 5 Meanwhile, an impermeable film is arranged between the coal storage positions.
4. The intelligent storage dynamic management and control system for coal is characterized in that the dynamic storage mapping model is combined with a coal pile spontaneous combustion risk early warning model, and the coal pile spontaneous combustion risk early warning model calculates spontaneous combustion risk indexes by fusing multiple parameters, wherein the specific formula is as follows: ; Wherein, the As an index of the risk of spontaneous combustion, Is the value of the temperature coefficient of the coal pile, when the temperature of the coal pile is more than or equal to 60 ℃, The value is 1.0, when the temperature of the coal pile is 50-60 ℃, The value is 0.7, the temperature of the coal pile is less than or equal to 50 ℃, The value of the water-based paint is 0.2, Takes the value of the humidity coefficient, when the humidity ratio is more than or equal to 15 percent, Takes a value of 1.0, the humidity ratio is 10 percent to 15 percent, Takes a value of 0.5, the humidity ratio is less than or equal to 10 percent, The value of the water-based paint is 0.1, For the value of the storage day coefficient, when the storage day is more than or equal to 30 days, The value is 1.0, when the storage days are 15-30 days, The value is 0.6, when the storage days are less than or equal to 15 days, Take a value of 0.2, when When the number of the coal pile is more than or equal to 0.8, triggering the current coal pile to give priority to the warehouse-out instruction, simultaneously starting the coal pile to spray and cool down, and transporting the emergency coefficient To 1.5 times the original value, i.e When (when) If the value of (2) is less than 0.8, the priority ex-warehouse command of the coal pile is not triggered.
5. The intelligent storage dynamic control system of coal according to claim 4, wherein the dynamic storage mapping model comprises a self-learning correction method of heat value attenuation rate, the self-learning correction method of heat value attenuation rate dynamically corrects the heat value attenuation rate through a formula, and the specific formula is as follows: ; Wherein, the For the corrected decay rate of the heating value, Obtaining the actual measured statistical attenuation rate for the actual measured statistical attenuation rate based on the scanning data of the coal pile calorific value every week, Is the theoretical attenuation rate in the initial state, and updates the thermal value attenuation rate every week, and The acquisition is performed by a contactless execution layer.
6. The intelligent storage dynamic control system for coal according to claim 5, wherein the pneumatic conveying system obtains energy consumption through a formula, and the specific formula is as follows: ; Wherein, the Is the energy consumption in the pneumatic conveying system, Is the energy consumption coefficient of the pneumatic conveying system, For the contactless execution of the actual transport quantity of the layer, Is the conveying height of the pneumatic conveying system, For the efficiency of the equipment in the pneumatic conveying system, Is a density coefficient.
7. The intelligent storage dynamic control system of coal according to claim 6, wherein a digital twin model is arranged in the pneumatic conveying system, and the digital twin model obtains cost through a formula, and the specific formula is as follows: ; Wherein, the As a total cost of the product, For transportation cost by The energy consumption efficiency of the pneumatic conveying system is obtained, In order to store the cost of the product, For cost loss by Cost per unit heat loss is obtained, and a threshold value is set in the digital twin model at the same time when When > threshold, then raise by 10% To preferentially distribute high volatile coal to reduce storage losses.

Description

Intelligent storage dynamic management and control system for coal Technical Field The invention relates to the technical field of dynamic control of coal, in particular to an intelligent storage dynamic control system of coal. Background In traditional coal storage management, coal quality monitoring relies on manual sampling and laboratory analysis, the problems of long detection period, easiness in interference of sensor precision under dust environment and the like exist, real-time dynamic management and control are difficult to realize, meanwhile, storage allocation is dependent on empirical judgment, and coal quality characteristics (such as volatile matters and sulfur components) and transportation urgency are not fully combined, so that the storage period of high-risk coal (such as high-volatile coal) is overlong, the spontaneous combustion hidden danger is increased, or high-sulfur coal and low-sulfur coal are mixed to cause cross pollution; The existing warehouse system has insufficient linkage performance of an execution layer and a decision layer, lacks a dynamic optimization mechanism for energy consumption and storage loss, for example, the real-time change of a heat value attenuation rate is not considered in energy consumption calculation of a pneumatic conveying system, the cost control is dependent on a static model, and complex variables (such as conveying capacity fluctuation and environmental humidity change) in the coal warehouse process are difficult to adapt to, so that resource waste and management efficiency are reduced, and therefore, a set of dynamic management and control system integrating multi-mode sensing, intelligent decision making, accurate execution and collaborative optimization is needed to be constructed, so that the safety, economy and intelligent level of coal warehouse are improved. Disclosure of Invention The invention aims to provide a dynamic management and control system for intelligent storage of coal. In order to achieve the purpose, the invention provides the following technical scheme that the intelligent coal warehouse dynamic management and control system comprises a management and control system, wherein the management and control system comprises: The multi-mode dust-resistant sensing layer is formed by integrating a microwave moisture meter (working frequency of 24GHz +/-0.5 GHz), an infrared thermal imager (detection distance of 5-30 m) and a laser sulfur analyzer (detection lower limit of 0.1%), configuring a dust self-cleaning air flow device (air flow speed of 15-20m/s and cleaning period of 30 minutes/time), and collecting coal moisture (error of less than or equal to 0.5%), temperature (resolution of less than or equal to 0.05 ℃) and sulfur data in real time; The coal quality-transportation double-factor decision layer comprises a dynamic storage mapping model, and a storage priority index is calculated ThenIs distributed to the common storage area whenAnd then is distributed to the priority storage area: ; Wherein, the Is the value of the volatile component coefficient,Is the value of the sulfur coefficient,To take the value of the transport urgency factor, when the volatile factor is >30%,Taking the value of 1, when the volatile component coefficient is 15% -30%,The value of 0.5, when the volatile coefficient is less than 15 percent,The value of 0.2, when the sulfur coefficient is more than 2 percent,Taking a value of 1, when the sulfur content coefficient is less than or equal to 2 percent,The value is 0.3, when the transport is carried out within 24 hours,Takes a value of 1.0, and when transported within 48 hours,The value of the material is 0.6, when the material is transported for more than 72 hours,The value is 0.2; The non-contact execution layer consists of a pneumatic conveying system (wind pressure is 0.6-0.8 MPa), a hydraulic driving telescopic blanking pipe (adjusting stroke is 0-8 m) and a tail end rotary distributor (rotating speed is 10-30 rpm); The closed loop cooperative transportation interface is communicated with an external transportation system through an industrial Ethernet, and the conveyer capacity of the belt flow machine per hour is obtained through the communication of the industrial Ethernet and the external transportation system And set a threshold valueWhen the flow of the belt conveyorAnd automatically starting the emergency storage area. The multi-mode dust-resistant sensing layer further comprises a track type inspection robot, the track type inspection robot carries a microwave moisture meter, a thermal infrared imager and a laser sulfur analyzer to move along a circular track at the top of a storage area, a scanning period is set, coal pile data is obtained through the scanning period, a coal pile surface area of which a scanning path is not covered is obtained through a formula, and the specific formula is as follows: ; The sensor fault self-diagnosis function is provided, the coverage rate of the coal pile