WO2019218373A1 - Lean-manufacturing method for evaluating and monitoring overall efficiency of main shaft lifting system - Google Patents
Lean-manufacturing method for evaluating and monitoring overall efficiency of main shaft lifting system Download PDFInfo
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- WO2019218373A1 WO2019218373A1 PCT/CN2018/087622 CN2018087622W WO2019218373A1 WO 2019218373 A1 WO2019218373 A1 WO 2019218373A1 CN 2018087622 W CN2018087622 W CN 2018087622W WO 2019218373 A1 WO2019218373 A1 WO 2019218373A1
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000011156 evaluation Methods 0.000 claims abstract description 50
- 238000004364 calculation method Methods 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 30
- 238000013210 evaluation model Methods 0.000 claims abstract description 7
- 239000003245 coal Substances 0.000 claims description 63
- 238000012423 maintenance Methods 0.000 claims description 21
- 238000012797 qualification Methods 0.000 claims description 8
- 230000015556 catabolic process Effects 0.000 claims description 7
- 238000007689 inspection Methods 0.000 claims description 5
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 229910052727 yttrium Inorganic materials 0.000 claims description 2
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 2
- 239000010879 coal refuse Substances 0.000 abstract 1
- 238000004458 analytical method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002354 daily effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0639—Performance analysis of employees; Performance analysis of enterprise or organisation operations
- G06Q10/06395—Quality analysis or management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/02—Agriculture; Fishing; Forestry; Mining
Definitions
- the invention relates to the field of efficiency evaluation and improvement of a production system of a coal mine enterprise, in particular to a comprehensive efficiency evaluation and monitoring method for a main well lifting system for lean production.
- the main well lifting system is the key equipment in the main coal flow transportation system of coal mine enterprises, and its lifting efficiency plays an important role in the comprehensive output efficiency of the coal mine main coal flow system. Studying the comprehensive efficiency assessment and monitoring methods of the main well hoisting system plays an important role in improving the overall efficiency of the coal enterprise production system.
- the overall efficiency and actual lifting capacity of the main shaft hoisting system are affected by the failure time of the main shaft hoisting system, the overhaul time, the empty position of the bottom coal bunker, the full warehouse time of the wellhead coal bunker, the single hook lifting amount during the main shaft start-up time, and the single hook lifting.
- the cycle and the effect of the meteorite content in the raw coal upgraded by the main well hoisting system Therefore, the comprehensive efficiency assessment of the main well hoisting system takes into account the impact of all the above factors and is a very complicated task. There is still a lack of an effective comprehensive efficiency assessment and monitoring method that can be used to characterize the operation of the main shaft lifting system of coal enterprises.
- the method of the invention comprehensively analyzes the influence of the main well lifting system failure time, the maintenance time, the bottom coal bunker empty warehouse time, the wellhead coal bunker full warehouse time, etc. on the operating rate of the main well lifting system; analyzes the main well single hook lifting amount to the main well lifting
- the influence of the system load rate and the influence of the meteorite content in the raw coal upgraded by the main well hoisting system on the quality pass rate of the main shaft hoisting system further comprehensively consider the main shaft hoisting system operating rate, the main shaft hoisting system load rate and the main shaft hoisting system quality.
- the method of the invention can comprehensively and accurately evaluate the comprehensive efficiency of the main well lifting system and can over-alarm the comprehensive efficiency of the main well lifting system, and is a scientific and effective comprehensive efficiency evaluation and monitoring method.
- the object of the present invention is to provide a method for real-time evaluation and monitoring of the comprehensive efficiency of the main well lifting system of a coal mine enterprise, and the comprehensive efficiency of the main well lifting system and the preset lower limit of the comprehensive efficiency of the main well lifting system.
- the values are compared to achieve an over-limit alarm for the overall efficiency of the main well hoisting system, so that the overall efficiency of the main well hoisting system is controlled within the required range.
- a comprehensive efficiency evaluation and monitoring method for a main well lifting system for lean production comprising the following steps:
- step 1 the planned upgrade time of the main well lifting system is obtained by subtracting the planned maintenance time of the main well lifting system from the planned maintenance time of the main well lifting system and the external influence time of the main well lifting system.
- Its calculation model is as follows:
- T plan T total -T planed_mt -T out
- T plan represents the planned lifting time of the main well lifting system
- T total represents the main well lifting system evaluation cycle time
- T planed_mt represents the planned maintenance time of the main well lifting system
- T out represents the external influence time of the main well lifting system.
- Step 2 by subtracting the entire evaluation cycle time of the main well lifting system, subtracting the actual maintenance time of the main well lifting system, the external influence time of the main well lifting system, the empty time of the coal well at the bottom of the main well, the full warehouse time of the coal well of the main well, The main well lifting system failure time and other influence time of the main well lifting system are obtained, and the actual lifting time of the main well lifting system is obtained.
- Its calculation model is as follows:
- T actual T total -T actual_mt -T out -T empty -T full -T breakdown -T other
- T actual represents the actual lifting time of the main well lifting system
- T total represents the main well lifting system evaluation cycle time
- T actual_mt represents the actual maintenance time of the main well lifting system
- T out represents the external influence time of the main well lifting system
- T empty represents the main Turo indicates the empty time of the coal bunker at the bottom of the well
- Tfull indicates the full bin time of the main wellhead
- T breakdown indicates the failure time of the main well hoisting system
- T other indicates the other influence time of the main well hoisting system.
- step 3 the actual lifting time of the main well lifting system obtained by the foregoing is divided by the planned lifting time of the main well lifting system, and the operating rate of the main well lifting system in the evaluation period is obtained.
- Its calculation model is as follows:
- ⁇ operating indicates the operating rate of the main shaft hoisting system
- T actual indicates the actual lifting time of the main shaft hoisting system
- T plan indicates the planned lifting time of the main shaft hoisting system.
- step 4 the actual lifting amount of the main well lifting system is obtained by accumulating the lifting amount of each hook raised by the main well lifting system during the evaluation period, and the calculation formula is as follows:
- L actual represents the actual lifting amount of the main well lifting system
- L hook represents the actual lifting amount of the i-hook of the main well lifting system
- N represents the total lifting number of the main well.
- Step 5 According to the actual lifting time of the obtained main well lifting system, combined with the single-hook theory of the main well lifting system to improve the cycle time and the single-hook theoretical lifting amount of the main well lifting system, the theoretical lifting amount of the main well lifting system in the evaluation period is calculated. Its calculation formula is as follows:
- L theory represents the theoretical lifting capacity of the main well lifting system
- T actual represents the actual lifting time of the main well lifting system
- T hook represents the single-hook theory lifting cycle time of the main well lifting system
- L hook represents the single-hook theoretical lifting amount of the main well lifting system.
- step 6 the actual lifting amount of the main well lifting system obtained by the foregoing is divided by the theoretical lifting amount of the main well lifting system, and the loading rate of the main well lifting system in the evaluation period is obtained.
- Its calculation model is as follows:
- ⁇ load represents the main shaft lifting system load rate
- L actual represents the main shaft lifting system actual lifting amount
- L theory represents the main shaft lifting system theoretical lifting amount
- Step 7 Obtain the main coal hoisting system to increase the raw coal enthalpy rate ⁇ refuse .
- the raw coal enthalpy rate is the weight per unit weight of the original coal hoisting system. proportion.
- step 8 based on the main well lifting system obtained above, the raw coal containing rate is increased, and the quality pass rate of the main well lifting system is calculated. Its calculation model is as follows:
- ⁇ quality indicates the quality improvement rate of the main shaft hoisting system
- ⁇ refuse indicates that the main shaft hoisting system improves the yttrium content of the raw coal.
- Step 9 Based on the obtained main shaft lifting system operating rate, main shaft lifting system load rate and main well lifting system quality qualification rate, a comprehensive efficiency evaluation model of the main well lifting system is established, and the calculation model is as follows:
- ⁇ hoist represents the overall efficiency of the main well hoisting system
- ⁇ operating represents the main well hoisting system operating rate
- ⁇ load represents the main well hoisting system load rate
- Step 10 the integrated efficiency of the main well lifting system ⁇ hoist in the obtained evaluation period and the preset comprehensive efficiency alarm lower limit value of the main well lifting system Compare if the relationship is satisfied It indicates that the main shaft lifting system improves the efficiency. If the relationship is satisfied The alarm indicates that the overall efficiency of the main well lifting system is abnormal, and the overall efficiency of the main well lifting system of the evaluation period and the corresponding main shaft lifting system operating rate, load rate and quality qualification rate are displayed on the display screen.
- step 11 the production personnel makes targeted adjustments to the main well lifting system according to the alarm prompt of step 10, so that the overall efficiency of the main well lifting system is increased to a normal range.
- step 4 the actual lift per hook of the main shaft hoist system is obtained from the weight sensor installed in the main well bucket.
- step 7 the main well hoisting system upgrades the raw coal enthalpy rate ⁇ refuse data obtained from the coal quality inspection data of the corresponding coal quality monitoring department of the mine.
- the present invention has the following beneficial effects:
- the method of the invention comprehensively considers the failure time of the main well lifting system, the inspection time, the empty warehouse time of the bottom hole, the full warehouse time of the wellhead, and the like, and the impact of the main well lifting system on the operating rate of the main well lifting system, and the main well single lifting amount is raised to the main well
- the influence of the system load rate and the influence of the meteorite content in the raw coal upgraded by the main well hoisting system on the quality pass rate of the main shaft hoisting system, and the comprehensive efficiency evaluation model of the main shaft hoisting system was constructed. Based on the above evaluation model, the overall efficiency of the main well hoisting system was Monitoring and overrun alarms.
- the method of the invention not only considers the influence of the operating rate of the main well lifting system on the overall efficiency, but also comprehensively considers the load utilization of the main well lifting system and the influence of the meteorite content of the upgraded raw coal on the overall efficiency of the main well lifting system, and the method of the invention is
- the comprehensive efficiency evaluation of the well lifting system is more scientific and comprehensive, and it is a very effective comprehensive efficiency assessment and monitoring method for the main well lifting system.
- the method of the invention is scientific and practical and can be extended to other subsystems in the main coal flow system of a coal enterprise, such as a belt transport system.
- Figure 1 is a schematic flow chart of the method of the present invention
- FIG. 2 is a schematic diagram of a device configuration of the method of the present invention.
- the invention provides a comprehensive efficiency evaluation and monitoring method for a main well lifting system for lean production.
- the schematic diagram of the process of the present invention is shown in FIG. 1.
- the evaluation data of the main well lifting system such as the cycle time, the scheduled maintenance time, the actual maintenance time, and the failure time
- the planned lifting time and the actual lifting time of the main well lifting system are obtained, according to The actual lifting time and planned lifting time of the main shaft lifting system are obtained, and the operating rate of the main well lifting system is calculated.
- the lifting amount of each hook in the evaluation period of the main well lifting system the actual lifting amount of the main well lifting system is accumulated; according to the actual lifting time in the evaluation period of the main shaft lifting system and the single hook theoretical cycle and the single hook theoretical lifting amount, the calculation is performed.
- the theoretical lifting amount of the main well lifting system is obtained; according to the obtained actual lifting quantity and theoretical lifting quantity of the main well lifting system, the load rate of the main well lifting system is calculated. According to the main well hoisting system, the raw coal enthalpy rate is increased, and the quality pass rate of the raw coal hoisting system to improve the raw coal is further calculated. Considering the operating rate, load rate and quality pass rate of the main shaft lifting system, the comprehensive efficiency evaluation model of the main shaft lifting system is constructed. Based on the above evaluation model, the overall efficiency monitoring of the main well lifting system is carried out and the over-limit alarm function is realized, so that the overall efficiency of the main well lifting system is controlled within the required range.
- the device configuration involved in the present invention mainly includes: a weight sensor, a ZigBee wireless transmission module, a database server, a switch, an application server, and a display screen.
- the weight sensor is used to obtain the actual lifting amount of each hook of the main well bucket.
- the weight sensor has an RS-485 interface for data communication.
- the weight sensor is connected to the ZigBee terminal node through the RS-485 interface, and further connects to ZigBee through ZigBee routing.
- the master node performs data communication; the ZigBee master node is connected to the database server through the RS-485/RS-232 interface.
- the database server is installed with SQL Server or Oracle server, which is used to store the actual lifting amount of each hook of the collected main well lifting system.
- the database server communicates with the application server through the switch using the TCP/IP protocol, and the application server is used to run the software programs required by the system for the main maintenance system such as import/input, such as planned maintenance time, actual maintenance time, and failure time.
- the main maintenance system such as import/input, such as planned maintenance time, actual maintenance time, and failure time.
- the comprehensive efficiency evaluation period of each main shaft lifting system is one day (24 hours), and the single-hook theory lifting amount of the main well lifting system is 25 tons, and the single hook theory lifting period is The time is 89 seconds.
- the method of the invention is used to carry out the comprehensive efficiency evaluation and monitoring of the main well lifting system, and the overall efficiency overrun condition is alarmed.
- T plan represents the planned lifting time of the main well lifting system, the unit is hour (h); T total represents the evaluation period of the main well lifting system, the unit is hour (h); T planed_mt represents the planned maintenance time of the main well lifting system, unit It is hour (h); T out represents the external influence time of the main well lifting system, and the unit is hour (h).
- T actual T total -T actual_mt -T out -T empty -T full -T breakdown -T other .
- T actual represents the actual lifting time of the main well lifting system
- the unit is hour (h)
- T total represents the main well lifting system evaluation cycle time
- the unit is hour (h)
- T actual_mt represents the actual maintenance time of the main well lifting system
- unit It is hour (h)
- T out represents the external influence time of the main well lifting system
- the unit is hour (h)
- T empty represents the empty time of the bottom coal bunk of the main well, the unit is hour (h);
- T full represents the main well well coal Warehouse full time, the unit is hour (h);
- T breakdown indicates the main well lifting system failure time, the unit is hour (h);
- T other indicates the other impact time of the main well lifting system, the unit is hour (h).
- the calculation rate of the main well lifting system is calculated.
- the actual lift per hook of the main shaft hoisting system is obtained by the weight sensor installed in the main shaft bucket. Still taking June 28 as an example, the main well lifting system raised a total of 780 hooks. According to the main well bucket weight sensor, the actual lifting amount of each hook of the measured 780 hook is shown in Table 1.
- L theory represents the theoretical lifting capacity of the main well lifting system, the unit is tons (t); T actual represents the actual lifting time of the main well lifting system, the unit is hour (h); T hook represents the single-hook theoretical lifting period of the main well lifting system Time, in seconds (s); L hook represents the theoretical lifting amount of the main well lifting system, in tons (t);
- the load rate of the main shaft lifting system is calculated, and the calculation model is
- ⁇ load represents the main shaft hoisting system load rate
- L actual represents the main shaft hoisting system actual lifting amount
- the unit is ton (t)
- L theory represents the theoretical lifting amount of the main shaft hoisting system
- the unit is ton (t).
- the raw coal enthalpy rate is increased, and the quality qualification rate of the main well hoisting system is calculated.
- ⁇ quality indicates that the main well hoisting system improves the quality pass rate
- ⁇ refuse indicates that the main well hoisting system improves the raw coal enthalpy rate.
- the overall efficiency of the main shaft lifting system can be calculated.
- ⁇ hoist ⁇ operating ⁇ ⁇ load ⁇ ⁇ quality
- the main well lifting system comprehensive efficiency alarm lower limit Set to 75% then satisfy the relationship At this time, the alarm indicates that the overall efficiency of the main well lifting system is abnormal, which is lower than the lower limit of the overall efficiency of the main well lifting system.
- the production personnel make targeted adjustments to the main well lifting system, so that the overall efficiency of the main well lifting system is increased to the normal range.
- the method of the invention can be used for the scientific evaluation and monitoring of the comprehensive efficiency of the main well lifting system of the coal enterprise, so that the comprehensive efficiency of the main well lifting system is controlled within the required range, and the high efficiency operation of the main well lifting system is realized.
- the method of the invention provides an effective method and technical support for realizing lean production of coal enterprises.
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Abstract
Disclosed is a lean-manufacturing method for evaluating and monitoring the overall efficiency of a main shaft lifting system. In the method, a planned lift time and an actual lift time within an evaluation period of the main shaft lifting system are first obtained, and calculation is performed to obtain the operation rate of the main shaft lifting system. Then, by means of obtaining a theoretical lift amount and an actual lift amount within the evaluation period of the main shaft lifting system, calculation is performed to obtain the load rate of the main shaft lifting system. Further, by means of obtaining the raw-coal refuse rate of the main shaft lifting system, calculation is performed to obtain the quality pass rate of the main shaft lifting system. On the basis of the described obtained operation rate, load rate, and quality pass rate of the main shaft lifting system, the overall efficiency of the main shaft lifting system is calculated and evaluated. On the basis of the described evaluation model, the overall efficiency of the main shaft lifting system is monitored and an alarm is activated if a limit is exceeded. In the method of the present invention, the overall efficiency of the main shaft lifting system is evaluated, and it is possible to control the overall efficiency of the main shaft lifting system within a required range; the method is practical and effective.
Description
本发明涉及煤矿企业生产系统效率评估与提升领域，尤其是一种精益生产用主井提升系统综合效率评估与监测方法。The invention relates to the field of efficiency evaluation and improvement of a production system of a coal mine enterprise, in particular to a comprehensive efficiency evaluation and monitoring method for a main well lifting system for lean production.
主井提升系统是煤矿企业主煤流运输系统中的关键设备，其提升效率对煤矿主煤流系统的综合产出效率起着十分重要的影响作用。研究主井提升系统的综合效率评估与监测方法对于煤炭企业生产系统整体效率提升具有重要作用。The main well lifting system is the key equipment in the main coal flow transportation system of coal mine enterprises, and its lifting efficiency plays an important role in the comprehensive output efficiency of the coal mine main coal flow system. Studying the comprehensive efficiency assessment and monitoring methods of the main well hoisting system plays an important role in improving the overall efficiency of the coal enterprise production system.
主井提升系统的综合效率和实际提升能力受主井提升系统的故障时间、检修时间、井底煤仓空仓时间、井口煤仓满仓时间、主井开机时间内的单勾提升量和单勾提升周期以及主井提升系统所提升的原煤中矸石含量的影响。因此，主井提升系统的综合效率评估要考虑上述所有要素的影响，是一项非常复杂的工作。当前仍然缺乏一种有效的能够针对煤炭企业主井提升系统运行特点的综合效率评估与监测方法。本发明方法通过综合分析主井提升系统故障时间、检修时间、井底煤仓空仓时间、井口煤仓满仓时间等对主井提升系统开机率的影响；分析主井单勾提升量对主井提升系统负荷率的影响以及主井提升系统所提升的原煤中矸石含量对主井提升系统质量合格率的影响，进一步综合考虑主井提升系统开机率、主井提升系统负荷率和主井提升系统质量合格率对主井提升系统综合效率的影响，构建主井提升系统综合效率评估与监测方法。本发明方法能够全面准确地评估主井提升 系统的综合效率并能对主井提升系统综合效率进行超限报警，是一种科学有效的综合效率评估与监测方法。The overall efficiency and actual lifting capacity of the main shaft hoisting system are affected by the failure time of the main shaft hoisting system, the overhaul time, the empty position of the bottom coal bunker, the full warehouse time of the wellhead coal bunker, the single hook lifting amount during the main shaft start-up time, and the single hook lifting. The cycle and the effect of the meteorite content in the raw coal upgraded by the main well hoisting system. Therefore, the comprehensive efficiency assessment of the main well hoisting system takes into account the impact of all the above factors and is a very complicated task. There is still a lack of an effective comprehensive efficiency assessment and monitoring method that can be used to characterize the operation of the main shaft lifting system of coal enterprises. The method of the invention comprehensively analyzes the influence of the main well lifting system failure time, the maintenance time, the bottom coal bunker empty warehouse time, the wellhead coal bunker full warehouse time, etc. on the operating rate of the main well lifting system; analyzes the main well single hook lifting amount to the main well lifting The influence of the system load rate and the influence of the meteorite content in the raw coal upgraded by the main well hoisting system on the quality pass rate of the main shaft hoisting system, further comprehensively consider the main shaft hoisting system operating rate, the main shaft hoisting system load rate and the main shaft hoisting system quality. The impact of the qualification rate on the overall efficiency of the main shaft lifting system, and the construction of the overall efficiency evaluation and monitoring method of the main shaft lifting system. The method of the invention can comprehensively and accurately evaluate the comprehensive efficiency of the main well lifting system and can over-alarm the comprehensive efficiency of the main well lifting system, and is a scientific and effective comprehensive efficiency evaluation and monitoring method.
发明内容Summary of the invention
本发明的目的在于提供一种能够对煤矿企业主井提升系统综合效率进行实时评估和监测的方法，将评估得到的主井提升系统综合效率与预先设定的主井提升系统综合效率报警下限值进行对比，从而实现主井提升系统综合效率的超限报警，使主井提升系统的综合效率控制在要求的范围之内。The object of the present invention is to provide a method for real-time evaluation and monitoring of the comprehensive efficiency of the main well lifting system of a coal mine enterprise, and the comprehensive efficiency of the main well lifting system and the preset lower limit of the comprehensive efficiency of the main well lifting system. The values are compared to achieve an over-limit alarm for the overall efficiency of the main well hoisting system, so that the overall efficiency of the main well hoisting system is controlled within the required range.
一种精益生产用主井提升系统综合效率评估与监测方法，包括如下步骤：A comprehensive efficiency evaluation and monitoring method for a main well lifting system for lean production, comprising the following steps:
步骤1，通过将主井提升系统整个评估周期时间减去主井提升系统计划检修时间和主井提升系统外部影响时间，得到主井提升系统计划提升时间。其计算模型如下：In step 1, the planned upgrade time of the main well lifting system is obtained by subtracting the planned maintenance time of the main well lifting system from the planned maintenance time of the main well lifting system and the external influence time of the main well lifting system. Its calculation model is as follows:
T
plan＝T
total-T
planed_mt-T
out
T plan =T total -T planed_mt -T out
其中：T
plan表示主井提升系统计划提升时间，T
total表示主井提升系统评估周期时间，T
planed_mt表示主井提升系统计划检修时间，T
out表示主井提升系统外部影响时间。
Among them: T plan represents the planned lifting time of the main well lifting system, T total represents the main well lifting system evaluation cycle time, T planed_mt represents the planned maintenance time of the main well lifting system, and T out represents the external influence time of the main well lifting system.
步骤2，通过将主井提升系统整个评估周期时间减去减去主井提升系统实际检修时间、主井提升系统外部影响时间、主井井底煤仓空仓时间、主井井口煤仓满仓时间、主井提升系统故障时间和主井提升系统其它影响时间，得到主井提升系统实际提升时间。其计算模型如下：Step 2, by subtracting the entire evaluation cycle time of the main well lifting system, subtracting the actual maintenance time of the main well lifting system, the external influence time of the main well lifting system, the empty time of the coal well at the bottom of the main well, the full warehouse time of the coal well of the main well, The main well lifting system failure time and other influence time of the main well lifting system are obtained, and the actual lifting time of the main well lifting system is obtained. Its calculation model is as follows:
T
actual＝T
total-T
actual_mt-T
out-T
empty-T
full-T
breakdown-T
other
T actual =T total -T actual_mt -T out -T empty -T full -T breakdown -T other
其中：T
actual表示主井提升系统实际提升时间，T
total表示主井提升系统评估周期时间，T
actual_mt表示主井提升系统实际检修时间，T
out表示主井提升系统外部影响时间，T
empty表示主井井底煤仓空仓时间，T
full表示主井井口煤仓满仓时间，T
breakdown表示主井提升系统故障时间，T
other表示主井提升系统其它影响时间。
Where: T actual represents the actual lifting time of the main well lifting system, T total represents the main well lifting system evaluation cycle time, T actual_mt represents the actual maintenance time of the main well lifting system, T out represents the external influence time of the main well lifting system, T empty represents the main Turo indicates the empty time of the coal bunker at the bottom of the well, Tfull indicates the full bin time of the main wellhead, T breakdown indicates the failure time of the main well hoisting system, and T other indicates the other influence time of the main well hoisting system.
步骤3，将前述得到主井提升系统实际提升时间和主井提升系统计划提升时间相除，得到主井提升系统在评估周期内的开机率。其计算模型如下：In step 3, the actual lifting time of the main well lifting system obtained by the foregoing is divided by the planned lifting time of the main well lifting system, and the operating rate of the main well lifting system in the evaluation period is obtained. Its calculation model is as follows:
其中：η
operating表示主井提升系统开机率，T
actual表示主井提升系统实际提升时间，T
plan表示主井提升系统计划提升时间。
Among them: η operating indicates the operating rate of the main shaft hoisting system, T actual indicates the actual lifting time of the main shaft hoisting system, and T plan indicates the planned lifting time of the main shaft hoisting system.
步骤4，将主井提升系统在评估周期内所提升的每一勾的提升量累加得到主井提升系统实际提升量，其计算公式如下：In step 4, the actual lifting amount of the main well lifting system is obtained by accumulating the lifting amount of each hook raised by the main well lifting system during the evaluation period, and the calculation formula is as follows:
其中：L
actual表示主井提升系统实际提升量，L
hook,i表示主井提升系统提升第i勾的实际提升量，N表示主井提升总勾数。
Among them: L actual represents the actual lifting amount of the main well lifting system, L hook, i represents the actual lifting amount of the i-hook of the main well lifting system, and N represents the total lifting number of the main well.
步骤5，根据已得到的主井提升系统实际提升时间，结合主井提升系统单勾理论提升周期时间和主井提升系统单勾理论提升量，计算得到评估周期内主井提升系统理论提升量。其计算公式如下：Step 5: According to the actual lifting time of the obtained main well lifting system, combined with the single-hook theory of the main well lifting system to improve the cycle time and the single-hook theoretical lifting amount of the main well lifting system, the theoretical lifting amount of the main well lifting system in the evaluation period is calculated. Its calculation formula is as follows:
其中：L
theory表示主井提升系统理论提升量，T
actual表示主井提升系统实际提升时间，T
hook表示主井提升系统单勾理论提升周期时间，L
hook表示主井提升系统单勾理论提升量。
Among them: L theory represents the theoretical lifting capacity of the main well lifting system, T actual represents the actual lifting time of the main well lifting system, T hook represents the single-hook theory lifting cycle time of the main well lifting system, and L hook represents the single-hook theoretical lifting amount of the main well lifting system. .
步骤6，将前述得到主井提升系统实际提升量和主井提升系统理论提升量相除，得到主井提升系统在评估周期内的负荷率。其计算模型如下：In step 6, the actual lifting amount of the main well lifting system obtained by the foregoing is divided by the theoretical lifting amount of the main well lifting system, and the loading rate of the main well lifting system in the evaluation period is obtained. Its calculation model is as follows:
其中：η
load表示主井提升系统负荷率，L
actual表示主井提升系统实际提升量，L
theory表示主井提升系统理论提升量。
Among them: η load represents the main shaft lifting system load rate, L actual represents the main shaft lifting system actual lifting amount, and L theory represents the main shaft lifting system theoretical lifting amount.
步骤7，获得主井提升系统提升原煤含矸率ξ
refuse，原煤含矸率是主井提升系统所提升的单位重量的原煤中，未能拣除的块度大于50毫米的矸石重量所占的比重。
Step 7. Obtain the main coal hoisting system to increase the raw coal enthalpy rate ξ refuse . The raw coal enthalpy rate is the weight per unit weight of the original coal hoisting system. proportion.
步骤8，基于上述得到的主井提升系统提升原煤含矸率，计算获得主井提升系统质量合格率。其计算模型如下：In step 8, based on the main well lifting system obtained above, the raw coal containing rate is increased, and the quality pass rate of the main well lifting system is calculated. Its calculation model is as follows:
η
quality＝1-ξ
refuse
η quality =1-ξ refuse
其中：η
quality表示主井提升系统提升质量合格率，ξ
refuse表示主井提升系统提升原煤含矸率。
Among them: η quality indicates the quality improvement rate of the main shaft hoisting system, and ξ refuse indicates that the main shaft hoisting system improves the yttrium content of the raw coal.
步骤9，基于已得到的主井提升系统开机率、主井提升系统负荷率和主井提升系统质量合格率，建立主井提升系统综合效率评估模型，其计算模型如下：Step 9. Based on the obtained main shaft lifting system operating rate, main shaft lifting system load rate and main well lifting system quality qualification rate, a comprehensive efficiency evaluation model of the main well lifting system is established, and the calculation model is as follows:
η
hoist＝η
operating×η
load×η
quality
η hoist =η operating ×η load ×η quality
其中：η
hoist表示主井提升系统综合效率，η
operating表示主井提升系统开机率，η
load表示主井提升系统负荷率，η
quality主井提升系统质量合格率。
Among them: η hoist represents the overall efficiency of the main well hoisting system, η operating represents the main well hoisting system operating rate, η load represents the main well hoisting system load rate, and η quality main well hoist system quality pass rate.
步骤10，将所得到的评估周期内的主井提升系统综合效率η
hoist与预先设定的主井提升系统综合效率报警下限值
进行比较，若满足关系式
则表明主井提升系统提升效率正常。若满足关系式
则报警提示主井提升系统综合效率异常，同时将该评估周期的主井提升系统综合效率以及对应的主井提升系统开机率、负荷率和质量合格率显示在显示屏上。
Step 10, the integrated efficiency of the main well lifting system η hoist in the obtained evaluation period and the preset comprehensive efficiency alarm lower limit value of the main well lifting system Compare if the relationship is satisfied It indicates that the main shaft lifting system improves the efficiency. If the relationship is satisfied The alarm indicates that the overall efficiency of the main well lifting system is abnormal, and the overall efficiency of the main well lifting system of the evaluation period and the corresponding main shaft lifting system operating rate, load rate and quality qualification rate are displayed on the display screen.
步骤11，生产人员根据步骤10的报警提示，对主井提升系统进行有针对性的调整，使得主井提升系统综合效率提高至正常范围。In step 11, the production personnel makes targeted adjustments to the main well lifting system according to the alarm prompt of step 10, so that the overall efficiency of the main well lifting system is increased to a normal range.
在步骤4中，主井提升系统每勾的实际提升量根据安装在主井箕斗的重量传感器获得。In step 4, the actual lift per hook of the main shaft hoist system is obtained from the weight sensor installed in the main well bucket.
在步骤7中，主井提升系统提升原煤含矸率ξ
refuse数据从矿相应的煤质监测部门的煤质检验数据中获得。
In step 7, the main well hoisting system upgrades the raw coal enthalpy rate ξ refuse data obtained from the coal quality inspection data of the corresponding coal quality monitoring department of the mine.
与现有技术相比，本发明具有如下有益效果：Compared with the prior art, the present invention has the following beneficial effects:
本发明方法通过综合考虑主井提升系统的故障时间、检修时间、井底煤仓空仓时间、井口煤仓满仓时间等对主井提升系统开机率的影响，主井单勾提升量对主井提升系统负荷率的影响以及主井提升系统所提升原煤中矸石含量对主井提升系统质量合格率的影响，构建了主井提升系统综合效率评估模型，基于上述评估模型对主井提升系统综 合效率进行监测与超限报警。本发明方法不仅考虑主井提升系统开机率对综合效率影响，还全面地考虑主井提升系统的负荷利用情况以及所提升原煤的矸石含量对主井提升系统综合效率的影响，本发明方法对主井提升系统综合效率的评估更加科学和全面，是一种十分有效的主井提升系统综合效率评估和监测方法。本发明方法科学实用且可以推广至煤炭企业主煤流系统中的其它的子系统，如皮带运输系统。The method of the invention comprehensively considers the failure time of the main well lifting system, the inspection time, the empty warehouse time of the bottom hole, the full warehouse time of the wellhead, and the like, and the impact of the main well lifting system on the operating rate of the main well lifting system, and the main well single lifting amount is raised to the main well The influence of the system load rate and the influence of the meteorite content in the raw coal upgraded by the main well hoisting system on the quality pass rate of the main shaft hoisting system, and the comprehensive efficiency evaluation model of the main shaft hoisting system was constructed. Based on the above evaluation model, the overall efficiency of the main well hoisting system was Monitoring and overrun alarms. The method of the invention not only considers the influence of the operating rate of the main well lifting system on the overall efficiency, but also comprehensively considers the load utilization of the main well lifting system and the influence of the meteorite content of the upgraded raw coal on the overall efficiency of the main well lifting system, and the method of the invention is The comprehensive efficiency evaluation of the well lifting system is more scientific and comprehensive, and it is a very effective comprehensive efficiency assessment and monitoring method for the main well lifting system. The method of the invention is scientific and practical and can be extended to other subsystems in the main coal flow system of a coal enterprise, such as a belt transport system.
图1为本发明方法的流程示意图；Figure 1 is a schematic flow chart of the method of the present invention;
图2为本发明方法的设备配置示意图。2 is a schematic diagram of a device configuration of the method of the present invention.
现结合实施例及附图对本发明进行详细解释。The invention will now be explained in detail in connection with the embodiments and the accompanying drawings.
本发明提出一种精益生产用主井提升系统综合效率评估与监测方法。本发明方法的流程示意图如图1所示，首先，根据主井提升系统评估周期时间、计划检修时间、实际检修时间、故障时间等数据计算获得主井提升系统计划提升时间和实际提升时间，根据所得到的主井提升系统实际提升时间和计划提升时间，计算得到主井提升系统开机率。根据主井提升系统在评估周期内每勾的提升量，累加得到主井提升系统实际提升量；根据主井提升系统评估周期内实际提升时间和单勾理论循环周期和单勾理论提升量，计算得到主井提升系统理论提升量；根据所得到的主井提升系统实际提升量和理论提升量，计算得到主井提升系统负荷率。根据主井提升系统提升原煤含矸率，进一步计算得到主井提升系统提升原煤的质量合格率。综合考虑主井提升系 统开机率、负荷率、质量合格率，构建主井提升系统综合效率评估模型。基于上述评估模型进行主井提升系统综合效率监测并实现超限报警功能，使主井提升系统的综合效率控制在要求的范围之内。The invention provides a comprehensive efficiency evaluation and monitoring method for a main well lifting system for lean production. The schematic diagram of the process of the present invention is shown in FIG. 1. First, according to the evaluation data of the main well lifting system, such as the cycle time, the scheduled maintenance time, the actual maintenance time, and the failure time, the planned lifting time and the actual lifting time of the main well lifting system are obtained, according to The actual lifting time and planned lifting time of the main shaft lifting system are obtained, and the operating rate of the main well lifting system is calculated. According to the lifting amount of each hook in the evaluation period of the main well lifting system, the actual lifting amount of the main well lifting system is accumulated; according to the actual lifting time in the evaluation period of the main shaft lifting system and the single hook theoretical cycle and the single hook theoretical lifting amount, the calculation is performed. The theoretical lifting amount of the main well lifting system is obtained; according to the obtained actual lifting quantity and theoretical lifting quantity of the main well lifting system, the load rate of the main well lifting system is calculated. According to the main well hoisting system, the raw coal enthalpy rate is increased, and the quality pass rate of the raw coal hoisting system to improve the raw coal is further calculated. Considering the operating rate, load rate and quality pass rate of the main shaft lifting system, the comprehensive efficiency evaluation model of the main shaft lifting system is constructed. Based on the above evaluation model, the overall efficiency monitoring of the main well lifting system is carried out and the over-limit alarm function is realized, so that the overall efficiency of the main well lifting system is controlled within the required range.
如图2所示，本发明涉及的设备配置主要包括：重量传感器、ZigBee无线传输模块、数据库服务器、交换机、应用程序服务器和显示屏。重量传感器用于获取主井箕斗每勾实际提升量，重量传感器带有RS-485接口，用于数据通信；重量传感器通过RS-485接口与ZigBee终端节点相连，进一步通过ZigBee路由的衔接与ZigBee主节点进行数据通信；ZigBee主节点通过RS-485/RS-232接口与数据库服务器连接。数据库服务器安装有SQL Server或Oracle服务器，用于存储采集到的主井提升系统每勾实际提升量。数据库服务器通过交换机以TCP/IP协议与应用程序服务器进行通讯，应用程序服务器用于运行系统所需的软件程序，用于导入/录入等主井提升系统计划检修时间、实际检修时间、故障时间等基本信息，并进行主井提升系统综合效率计算和分析。As shown in FIG. 2, the device configuration involved in the present invention mainly includes: a weight sensor, a ZigBee wireless transmission module, a database server, a switch, an application server, and a display screen. The weight sensor is used to obtain the actual lifting amount of each hook of the main well bucket. The weight sensor has an RS-485 interface for data communication. The weight sensor is connected to the ZigBee terminal node through the RS-485 interface, and further connects to ZigBee through ZigBee routing. The master node performs data communication; the ZigBee master node is connected to the database server through the RS-485/RS-232 interface. The database server is installed with SQL Server or Oracle server, which is used to store the actual lifting amount of each hook of the collected main well lifting system. The database server communicates with the application server through the switch using the TCP/IP protocol, and the application server is used to run the software programs required by the system for the main maintenance system such as import/input, such as planned maintenance time, actual maintenance time, and failure time. Basic information, and comprehensive efficiency calculation and analysis of the main well lifting system.
本发明实施例以某煤矿主井提升系统为例，每个主井提升系统综合效率评估周期为一天(24小时)，该主井提升系统单勾理论提升量为25吨，单勾理论提升周期时间为89秒。采用本发明方法进行主井提升系统综合效率评估和监测，并对综合效率超限情况进行报警提示。In the embodiment of the present invention, taking a coal mine main shaft lifting system as an example, the comprehensive efficiency evaluation period of each main shaft lifting system is one day (24 hours), and the single-hook theory lifting amount of the main well lifting system is 25 tons, and the single hook theory lifting period is The time is 89 seconds. The method of the invention is used to carry out the comprehensive efficiency evaluation and monitoring of the main well lifting system, and the overall efficiency overrun condition is alarmed.
1.获取主井提升系统计划提升时间1. Obtain the promotion time of the main well lifting system plan
对主井提升系统综合效率的评估周期为一天(24小时)，该煤矿 主井提升系统的每天的计划检修时间为2小时。近期，主井提升系统外部因素对主井提升系统影响时间很小，基本可以忽略不计。因此，以6月28日为例，在该评估周期内，主井提升系统评估周期时间T
total＝24小时，主井提升系统计划检修时间T
planed_mt＝2小时，主井提升系统外部影响时间为T
out＝0小时。主井提升系统计划提升时间的计算模型为T
plan＝T
total-T
planed_mt-T
out。其中：T
plan表示主井提升系统计划提升时间，单位为小时(h)；T
total表示主井提升系统评估周期时间，单位为小时(h)；T
planed_mt表示主井提升系统计划检修时间，单位为小时(h)；T
out表示主井提升系统外部影响时间，单位为小时(h)。将3月17日的数据T
total＝24，T
planed_mt＝2和T
out＝0代入公式，可以得到该评估周期的主井提升系统计划提升时间T
plan＝T
total-T
planed_mt-T
out＝24-2-0＝22小时。
The evaluation period for the overall efficiency of the main shaft lifting system is one day (24 hours), and the daily planned maintenance time of the main shaft lifting system of the coal mine is 2 hours. Recently, the external factors of the main well lifting system have little impact on the main well lifting system, which is basically negligible. Therefore, taking June 28 as an example, during the evaluation period, the main well lifting system evaluation cycle time T total = 24 hours, the main well lifting system planned maintenance time T planed_mt = 2 hours, and the main well lifting system external influence time is T out =0 hours. The calculation model for the planned promotion time of the main well lifting system is T plan =T total -T planed_mt -T out . Where: T plan represents the planned lifting time of the main well lifting system, the unit is hour (h); T total represents the evaluation period of the main well lifting system, the unit is hour (h); T planed_mt represents the planned maintenance time of the main well lifting system, unit It is hour (h); T out represents the external influence time of the main well lifting system, and the unit is hour (h). T total data of March 17 = 24, T planed_mt = 2 and T out = 0 into the formula, it is possible to obtain the evaluation period main shaft hoisting system plan to raise the time T plan = T total -T planed_mt -T out = 24 -2-0 = 22 hours.
2.获取主井提升系统实际提升时间2. Obtain the actual lifting time of the main shaft lifting system
机电工区人员对主井提升系统各类型的影响时间每天进行记录，仍以6月28日为例，主井提升系统评估周期时间T
total＝24小时，主井提升系统实际检修时间T
actual_mt＝2小时，主井提升系统外部影响时间为T
out＝0小时，主井井底煤仓空仓时间T
empty＝0.93小时，主井井口煤仓满仓时间T
full＝0.17小时，主井提升系统故障时间T
breakdown＝0小时，主井提升系统其它影响时间T
other＝0.8小时。主井提升系统实际提升时间计算模型为T
actual＝T
total-T
actual_mt-T
out-T
empty-T
full-T
breakdown-T
other。其中，T
actual表示主井提升系统实际提升时间，单位为小时(h)；T
total表示主井提升系统评估周期时间，单位为小时(h)；T
actual_mt表示主井 提升系统实际检修时间，单位为小时(h)；T
out表示主井提升系统外部影响时间，单位为小时(h)；T
empty表示主井井底煤仓空仓时间，单位为小时(h)；T
full表示主井井口煤仓满仓时间，单位为小时(h)；T
breakdown表示主井提升系统故障时间，单位为小时(h)；T
other表示主井提升系统其它影响时间，单位为小时(h)。将上述数据代入公式可得到主井提升系统实际提升时间T
actual＝24-2-0-0.93-0.17-0-0.8＝20.1小时。
The electrician area personnel recorded the impact time of each type of main shaft lifting system every day, still taking June 28 as an example, the main well lifting system evaluation cycle time T total = 24 hours, the main well lifting system actual maintenance time T actual_mt = 2 Hours, the external influence time of the main shaft hoisting system is T out =0 hours, the empty position time of the main well bottom coal bunker T empty = 0.93 hours, the full well position of the main well coal bunker T full =0.17 hours, the main well hoisting system failure time T The breakdown =0 hours, the other influence time of the main well lifting system T other = 0.8 hours. The actual lifting time calculation model of the main well lifting system is T actual =T total -T actual_mt -T out -T empty -T full -T breakdown -T other . Where T actual represents the actual lifting time of the main well lifting system, the unit is hour (h); T total represents the main well lifting system evaluation cycle time, the unit is hour (h); T actual_mt represents the actual maintenance time of the main well lifting system, unit It is hour (h); T out represents the external influence time of the main well lifting system, the unit is hour (h); T empty represents the empty time of the bottom coal bunk of the main well, the unit is hour (h); T full represents the main well well coal Warehouse full time, the unit is hour (h); T breakdown indicates the main well lifting system failure time, the unit is hour (h); T other indicates the other impact time of the main well lifting system, the unit is hour (h). Substituting the above data into the formula can obtain the actual lifting time of the main well lifting system T actual =24-2-0-0.93-0.17-0-0.8=20.1 hours.
3.获取主井提升系统开机率3. Obtain the operating rate of the main well lifting system
根据已获得的主井提升系统计划提升时间和实际提升时间，计算获得主井提升系统开机率，其计算模型为
其中，η
operating表示主井提升系统开机率，T
actual表示主井提升系统实际提升时间，单位为小时(h)；T
plan表示主井提升系统计划提升时间，单位为小时(h)。仍以6月28日为例，已获得该评估周期内的主井提升系统实际提升时间T
actual＝20.1小时，主井提升系统计划提升时间T
plan＝22小时，将上述数据代入公式
计算获得主井提升系统开机率η
operating＝91.4％。
According to the planned upgrade time and actual lifting time of the main well lifting system, the calculation rate of the main well lifting system is calculated. The calculation model is Among them, η operating represents the operating rate of the main well lifting system, T actual represents the actual lifting time of the main well lifting system, the unit is hour (h); T plan represents the planned lifting time of the main well lifting system, the unit is hour (h). Taking June 28 as an example, the actual lifting time of the main well lifting system during the evaluation period has been T actual = 20.1 hours, and the main well lifting system planned lifting time T plan = 22 hours, and the above data is substituted into the formula. The calculation obtained the main well lifting system operating rate η operating = 91.4%.
4.获取主井提升系统实际提升量4. Obtain the actual lifting capacity of the main shaft lifting system
通过安装在主井箕斗的重量传感器得到主井提升系统的每勾的实际提升量。仍以6月28日为例，主井提升系统共提升780勾，根据主井箕斗重量传感器，测量得到的780勾的每勾实际提升量如表1所示。The actual lift per hook of the main shaft hoisting system is obtained by the weight sensor installed in the main shaft bucket. Still taking June 28 as an example, the main well lifting system raised a total of 780 hooks. According to the main well bucket weight sensor, the actual lifting amount of each hook of the measured 780 hook is shown in Table 1.
表1Table 1
将评估周期内主井提升系统所提升的每一勾的提升量累加得到主井提升系统实际提升量，其计算公式为
其中，L
actual表示主井提升系统实际提升量，单位为吨(t)；L
hook,i表示主井提升系统提升第i勾的实际提升量，单位为吨(t)；N表示主井提升总勾数。由前述分析可知，主井提升总勾数N＝780，将780组测量得到的每勾实际提升量代入公式，可获取得到主井提升系统的实际提升量
吨。
The actual lifting amount of the main well lifting system is obtained by accumulating the lifting amount of each hook raised by the main well lifting system during the evaluation period, and the calculation formula is Among them, L actual represents the actual lifting capacity of the main well lifting system, the unit is tons (t); L hook, i represents the actual lifting amount of the i-hook of the main well lifting system, the unit is tons (t); N represents the main well lifting Total number of hooks. It can be seen from the above analysis that the total number of hooks of the main well is N=780, and the actual lifting amount of each hook measured by 780 sets is substituted into the formula, and the actual lifting amount of the main well lifting system can be obtained. Ton.
5.获取主井提升系统理论提升量5. Acquire the theoretical lifting amount of the main well lifting system
仍以6月28日为例，已经获得主井提升系统实际提升时间T
actual＝20.1小时，进一步结合主井提升系统单勾理论提升周期时间和主井提升系统单勾理论提升量，可计算得到评估周期内主井提升系统理论提升量。其计算公式为
其中，L
theory表示主井提升系统理论提升量，单位为吨(t)；T
actual表示主井提升系统实际提升时间，单位为小时(h)；T
hook表示主井提升系统单勾理论提升周期时间，单位为秒(s)；L
hook表示主井提升系统单勾理论提升量，单位为吨(t)；。本实施例所使用的主井提升系统单勾理论提升量为25吨，单勾理论提升周期时间为89秒。因此，T
hook＝89秒， L
hook＝25吨。将上述数据代入公式，可计算得到主井提升系统理论提升量
吨。
Still taking June 28 as an example, the actual lifting time of the main shaft lifting system has been obtained T actual = 20.1 hours, and combined with the single-hook theory lifting cycle time of the main well lifting system and the single-hook theoretical lifting amount of the main well lifting system, it can be calculated. The theoretical boost of the main well hoisting system during the assessment period. Its calculation formula is Among them, L theory represents the theoretical lifting capacity of the main well lifting system, the unit is tons (t); T actual represents the actual lifting time of the main well lifting system, the unit is hour (h); T hook represents the single-hook theoretical lifting period of the main well lifting system Time, in seconds (s); L hook represents the theoretical lifting amount of the main well lifting system, in tons (t); The single-hook theory of the main well lifting system used in this embodiment has a lifting capacity of 25 tons, and the single-hook theory lifting cycle time is 89 seconds. Therefore, T hook = 89 seconds and L hook = 25 tons. By substituting the above data into the formula, the theoretical lifting amount of the main well lifting system can be calculated. Ton.
6.获取主井提升系统负荷率6. Acquire the main shaft lifting system load rate
根据已获得的主井提升系统实际提升量和理论提升量，计算获得主井提升系统负荷率，其计算模型为
其中，η
load表示主井提升系统负荷率，L
actual表示主井提升系统实际提升量，单位为吨(t)；L
theory表示主井提升系统理论提升量，单位为吨(t)。仍以6月28日为例，已获得该评估周期内的主井提升系统实际提升量L
actual＝19402吨，主井提升系统理论提升量L
theory＝20325.8吨，将上述数据代入公式
计算获得主井提升系统负荷率η
load＝95.5％。
According to the obtained actual lifting capacity and theoretical lifting amount of the main shaft lifting system, the load rate of the main shaft lifting system is calculated, and the calculation model is Where η load represents the main shaft hoisting system load rate, L actual represents the main shaft hoisting system actual lifting amount, the unit is ton (t); L theory represents the theoretical lifting amount of the main shaft hoisting system, the unit is ton (t). Still taking June 28 as an example, the actual lifting capacity of the main well lifting system in the evaluation period has been obtained L actual = 19,402 tons, and the theoretical lifting amount of the main well lifting system is L theory = 20325.8 tons, and the above data is substituted into the formula. Calculate the main shaft lifting system load rate η load = 95.5%.
7.获取主井提升系统提升原煤含矸率7. Acquire the main well lifting system to increase the rate of raw coal
从矿相应的煤质监测部门的煤质检验数据中可获得主井提升系统提升原煤含矸率ξ
refuse数据。仍以6月28日为例，煤质监测部门的煤质检验数据中得到主井提升系统提升原煤含矸率ξ
refuse＝16.3％。
From the coal quality inspection data of the corresponding coal quality monitoring department of the mine, the main well lifting system can be used to increase the raw coal enthalpy rate ξ refuse data. Still taking June 28 as an example, the coal quality inspection data of the coal quality monitoring department obtained the main well lifting system to increase the raw coal enthalpy rate ξ refuse = 16.3%.
8.获取主井提升系统质量合格率8. Obtain the quality pass rate of the main well lifting system
根据已经获得的主井提升系统提升原煤含矸率，计算得到主井提升系统质量合格率，其计算公式为η
quality＝1-ξ
refuse。其中，η
quality表示主井提升系统提升质量合格率，ξ
refuse表示主井提升系统提升原煤含矸率。仍以6月28日为例，主井提升系统提升原煤含矸率 ξ
refuse＝16.3％，将ξ
refuse＝16.3％代入公式，计算得到主井提升系统质量合格率η
quality＝1-16.3％＝83.7％。
According to the obtained main well lifting system, the raw coal enthalpy rate is increased, and the quality qualification rate of the main well hoisting system is calculated. The calculation formula is η quality =1-ξ refuse . Among them, η quality indicates that the main well hoisting system improves the quality pass rate, and ξ refuse indicates that the main well hoisting system improves the raw coal enthalpy rate. Taking June 28 as an example, the main well lifting system will increase the raw coal enthalpy rate ξ refuse = 16.3%, and ξ refuse = 16.3% into the formula, and calculate the quality qualification rate of the main well hoisting system η quality = 1-16.3% = 83.7%.
9.获取主井提升系统综合效率9. Acquire the overall efficiency of the main well lifting system
根据已得到的主井提升系统开机率、主井提升系统负荷率和主井提升系统质量合格率，可计算得到主井提升系统综合效率，其计算模型为η
hoist＝η
operating×η
load×η
quality，其中，η
hoist表示主井提升系统综合效率，η
operating表示主井提升系统开机率，η
load表示主井提升系统负荷率，η
quality主井提升系统质量合格率。仍以6月28日为例，已获取得到主井提升系统开机率η
operating＝91.4％，主井提升系统负荷率η
load＝95.5％和主井提升系统质量合格率η
quality＝83.7％，将上述数据代入公式η
hoist＝η
operating×η
load×η
quality，计算得到主井提升系统综合效率η
hoist＝91.4％×95.5％×83.7％＝73.1％。
According to the obtained main shaft lifting system operating rate, main shaft lifting system load rate and main shaft lifting system quality qualification rate, the overall efficiency of the main shaft lifting system can be calculated. The calculation model is η hoist =η operating ×η load ×η Quality , where η hoist represents the overall efficiency of the main well hoisting system, η operating represents the operating rate of the main well hoisting system, η load represents the main well hoisting system load rate, and η quality main well hoist system quality pass rate. Still taking June 28 as an example, the operating rate of the main well lifting system is η operating = 91.4%, the load rate of the main shaft lifting system is η load = 95.5%, and the quality of the main shaft lifting system is η quality = 83.7%. The above data is substituted into the formula η hoist = η operating × η load × η quality , and the overall efficiency of the main well hoisting system is calculated as η hoist = 91.4% × 95.5% × 83.7% = 73.1%.
10.进行主井提升系统综合效率监测及超限报警10. Conduct comprehensive efficiency monitoring and over-limit alarm for main shaft lifting system
将所得到的评估周期内的主井提升系统综合效率η
hoist与预先设定的主井提升系统综合效率报警下限值
进行比较。本发明中的主井提升系统综合效率报警下限
根据主井综合效率历史数据统计分析并结合管理者的经验确定。若实施例中主井提升系统综合效率报警下限
仍以6月28日为例，已得到评估周期内的主井提升系统综合效率η
hoist＝73.1％，则满足关系式
表明主井提升系统提升综合效率正常。承接前例，若将主井提升系统综合效率报警下限
设为75％，则满足关系式
此时报警提示主井提升系统综合效率异常， 低于主井提升系统综合效率下限，同时将该评估周期内的主井提升系统综合效率(η
hoist＝73.1％)以及对应的主井提升系统开机率(η
operating＝91.4％)、负荷率(η
load＝95.5％)和质量合格率(η
quality＝83.7％)显示在显示屏上。
The overall efficiency of the main well lifting system η hoist in the evaluation period obtained and the pre-set overall efficiency alarm lower limit value of the main well lifting system Compare. The lower limit of the comprehensive efficiency alarm of the main well lifting system in the invention According to the statistical analysis of the historical data of the main well comprehensive efficiency and combined with the experience of the manager. If the main shaft lifting system comprehensive efficiency alarm lower limit in the embodiment Taking June 28 as an example, the overall efficiency of the main well lifting system in the evaluation period has been η hoist = 73.1%, then the relationship is satisfied. It shows that the main well lifting system improves the overall efficiency. Undertake the previous example, if the main well lifting system comprehensive efficiency alarm lower limit Set to 75%, then satisfy the relationship At this time, the alarm indicates that the overall efficiency of the main well lifting system is abnormal, which is lower than the lower limit of the overall efficiency of the main well lifting system. At the same time, the overall efficiency of the main well lifting system in the evaluation period (η hoist = 73.1%) and the corresponding main well lifting system are turned on. The rate (η operating = 91.4%), the load rate (η load = 95.5%), and the quality yield (η quality = 83.7%) are shown on the display.
11.根据报警提示，调整主井提升系统使其综合效率提高至正常范围11. According to the alarm prompt, adjust the main shaft lifting system to improve the overall efficiency to the normal range.
生产人员根据步骤10的报警提示，对主井提升系统进行有针对性的调整，使得主井提升系统综合效率提高至正常范围。According to the alarm prompt of step 10, the production personnel make targeted adjustments to the main well lifting system, so that the overall efficiency of the main well lifting system is increased to the normal range.
本发明方法可以用于煤炭企业主井提升系统综合效率的科学评估与监测，使得主井提升系统综合效率控制在要求的范围之内，实现主井提升系统的高效率运行。本发明方法为实现煤炭企业精益生产提供有效方法和技术支持。The method of the invention can be used for the scientific evaluation and monitoring of the comprehensive efficiency of the main well lifting system of the coal enterprise, so that the comprehensive efficiency of the main well lifting system is controlled within the required range, and the high efficiency operation of the main well lifting system is realized. The method of the invention provides an effective method and technical support for realizing lean production of coal enterprises.
最后说明的是，以上实施案例仅用以说明本发明的技术方案而非限制，对本发明的技术方案进行修改或者等同替换，而不脱离本发明方法的宗旨和范围，其均应涵盖在本发明的权利要求范围当中。It is to be understood that the above embodiments are merely illustrative of the technical solutions of the present invention, and are not intended to limit the scope of the present invention. Within the scope of the claims.
Claims (3)
- 一种精益生产用主井提升系统综合效率评估与监测方法，其特征在于，包括如下步骤：A comprehensive efficiency evaluation and monitoring method for a main well lifting system for lean production, characterized in that the method comprises the following steps:步骤1，通过将主井提升系统整个评估周期时间减去主井提升系统计划检修时间和主井提升系统外部影响时间，得到主井提升系统计划提升时间。其计算模型如下：In step 1, the planned upgrade time of the main well lifting system is obtained by subtracting the planned maintenance time of the main well lifting system from the planned maintenance time of the main well lifting system and the external influence time of the main well lifting system. Its calculation model is as follows:T plan＝T total-T planed_mt-T out T plan =T total -T planed_mt -T out其中：T plan表示主井提升系统计划提升时间，T total表示主井提升系统评估周期时间，T planed_mt表示主井提升系统计划检修时间，T out表示主井提升系统外部影响时间。 Among them: T plan represents the planned lifting time of the main well lifting system, T total represents the main well lifting system evaluation cycle time, T planed_mt represents the planned maintenance time of the main well lifting system, and T out represents the external influence time of the main well lifting system.步骤2，通过将主井提升系统整个评估周期时间减去减去主井提升系统实际检修时间、主井提升系统外部影响时间、主井井底煤仓空仓时间、主井井口煤仓满仓时间、主井提升系统故障时间和主井提升系统其它影响时间，得到主井提升系统实际提升时间。其计算模型如下：Step 2, by subtracting the entire evaluation cycle time of the main well lifting system, subtracting the actual maintenance time of the main well lifting system, the external influence time of the main well lifting system, the empty time of the coal well at the bottom of the main well, the full warehouse time of the coal well of the main well, The main well lifting system failure time and other influence time of the main well lifting system are obtained, and the actual lifting time of the main well lifting system is obtained. Its calculation model is as follows:T actual＝T total-T actual_mt-T out-T empty-T full-T breakdown-T other T actual =T total -T actual_mt -T out -T empty -T full -T breakdown -T other其中：T actual表示主井提升系统实际提升时间，T total表示主井提升系统评估周期时间，T actual_mt表示主井提升系统实际检修时间，T out表示主井提升系统外部影响时间，T empty表示主井井底煤仓空仓时间，T full表示主井井口煤仓满仓时间，T breakdown表示主井提升系统故障时间，T other表示主井提升系统其它影响时间。 Where: T actual represents the actual lifting time of the main well lifting system, T total represents the main well lifting system evaluation cycle time, T actual_mt represents the actual maintenance time of the main well lifting system, T out represents the external influence time of the main well lifting system, T empty represents the main Turo indicates the empty time of the coal bunker at the bottom of the well, Tfull indicates the full bin time of the main wellhead, T breakdown indicates the failure time of the main well hoisting system, and T other indicates the other influence time of the main well hoisting system.步骤3，将前述得到主井提升系统实际提升时间和主井提升系统计划提升时间相除，得到主井提升系统在评估周期内的开机率。其计 算模型如下：In step 3, the actual lifting time of the main well lifting system obtained by the foregoing is divided by the planned lifting time of the main well lifting system, and the operating rate of the main well lifting system in the evaluation period is obtained. The calculation model is as follows:
其中：η operating表示主井提升系统开机率，T actual表示主井提升系统实际提升时间，T plan表示主井提升系统计划提升时间。 Among them: η operating indicates the operating rate of the main shaft hoisting system, T actual indicates the actual lifting time of the main shaft hoisting system, and T plan indicates the planned lifting time of the main shaft hoisting system.步骤4，将主井提升系统在评估周期内所提升的每一勾的提升量累加得到主井提升系统实际提升量，其计算公式如下：In step 4, the actual lifting amount of the main well lifting system is obtained by accumulating the lifting amount of each hook raised by the main well lifting system during the evaluation period, and the calculation formula is as follows:
其中：L actual表示主井提升系统实际提升量，L hook,i表示主井提升系统提升第i勾的实际提升量，N表示主井提升总勾数。 Among them: L actual represents the actual lifting amount of the main well lifting system, L hook, i represents the actual lifting amount of the i-hook of the main well lifting system, and N represents the total lifting number of the main well.步骤5，根据已得到的主井提升系统实际提升时间，结合主井提升系统单勾理论提升周期时间和主井提升系统单勾理论提升量，计算得到评估周期内主井提升系统理论提升量。其计算公式如下：Step 5: According to the actual lifting time of the obtained main well lifting system, combined with the single-hook theory of the main well lifting system to improve the cycle time and the single-hook theoretical lifting amount of the main well lifting system, the theoretical lifting amount of the main well lifting system in the evaluation period is calculated. Its calculation formula is as follows:
其中：L theory表示主井提升系统理论提升量，T actual表示主井提升系统实际提升时间，T hook表示主井提升系统单勾理论提升周期时间，L hook表示主井提升系统单勾理论提升量。 Among them: L theory represents the theoretical lifting capacity of the main well lifting system, T actual represents the actual lifting time of the main well lifting system, T hook represents the single-hook theory lifting cycle time of the main well lifting system, and L hook represents the single-hook theoretical lifting amount of the main well lifting system. .步骤6，将前述得到主井提升系统实际提升量和主井提升系统理论提升量相除，得到主井提升系统在评估周期内的负荷率。其计算模型如下：In step 6, the actual lifting amount of the main well lifting system obtained by the foregoing is divided by the theoretical lifting amount of the main well lifting system, and the loading rate of the main well lifting system in the evaluation period is obtained. Its calculation model is as follows:
其中：η load表示主井提升系统负荷率，L actual表示主井提升系统实际提升量，L theory表示主井提升系统理论提升量。 Among them: η load represents the main shaft lifting system load rate, L actual represents the main shaft lifting system actual lifting amount, and L theory represents the main shaft lifting system theoretical lifting amount.步骤7，获得主井提升系统提升原煤含矸率ξ refuse，原煤含矸率是主井提升系统所提升的单位重量的原煤中，未能拣除的块度大于50毫米的矸石重量所占的比重。 Step 7. Obtain the main coal hoisting system to increase the raw coal enthalpy rate ξ refuse . The raw coal enthalpy rate is the weight per unit weight of the original coal hoisting system. proportion.步骤8，基于上述得到的主井提升系统提升原煤含矸率，计算获得主井提升系统质量合格率。其计算模型如下：In step 8, based on the main well lifting system obtained above, the raw coal containing rate is increased, and the quality pass rate of the main well lifting system is calculated. Its calculation model is as follows:η quality＝1-ξ refuse η quality =1-ξ refuse其中：η quality表示主井提升系统提升质量合格率，ξ refuse表示主井提升系统提升原煤含矸率。 Among them: η quality indicates the quality improvement rate of the main shaft hoisting system, and ξ refuse indicates that the main shaft hoisting system improves the yttrium content of the raw coal.步骤9，基于已得到的主井提升系统开机率、主井提升系统负荷率和主井提升系统质量合格率，建立主井提升系统综合效率评估模型，其计算模型如下：Step 9. Based on the obtained main shaft lifting system operating rate, main shaft lifting system load rate and main well lifting system quality qualification rate, a comprehensive efficiency evaluation model of the main well lifting system is established, and the calculation model is as follows:η hoist＝η operating×η load×η quality η hoist =η operating ×η load ×η quality其中：η hoist表示主井提升系统综合效率，η operating表示主井提升系统开机率，η load表示主井提升系统负荷率，η quality主井提升系统质量合格率。 Among them: η hoist represents the overall efficiency of the main well hoisting system, η operating represents the main well hoisting system operating rate, η load represents the main well hoisting system load rate, and η quality main well hoist system quality pass rate.步骤10，将所得到的评估周期内的主井提升系统综合效率η hoist与预先设定的主井提升系统综合效率报警下限值进行比较，若满足关系式
则表明主井提升系统提升效率正常。若满足关系式
则报警提示主井提升系统综合效率异常，同时将该评估周期的主井提升系统综合效率以及对应的主井提升系统开 机率、负荷率和质量合格率显示在显示屏上。 Step 10, the integrated efficiency of the main well lifting system η hoist in the obtained evaluation period and the preset comprehensive efficiency alarm lower limit value of the main well lifting system
Compare if the relationship is satisfiedIt indicates that the main shaft lifting system improves the efficiency. If the relationship is satisfiedThe alarm indicates that the overall efficiency of the main well lifting system is abnormal, and the overall efficiency of the main well lifting system of the evaluation period and the corresponding main shaft lifting system operating rate, load rate and quality qualification rate are displayed on the display screen.步骤11，生产人员根据步骤10的报警提示，对主井提升系统进行有针对性的调整，使得主井提升系统综合效率提高至正常范围。In step 11, the production personnel makes targeted adjustments to the main well lifting system according to the alarm prompt of step 10, so that the overall efficiency of the main well lifting system is increased to a normal range. - 如权利要求1所述面向精益生产的主井提升系统综合效率评估与监测方法，其特征在于，在步骤4中，主井提升系统每勾的实际提升量根据安装在主井箕斗的重量传感器获得。The method for comprehensive efficiency evaluation and monitoring of a main well lifting system for lean production according to claim 1, wherein in step 4, the actual lifting amount of each hook of the main shaft lifting system is based on a weight sensor installed in the main well bucket. obtain.
- 如权利要求1所述面向精益生产的主井提升系统综合效率评估与监测方法，其特征在于，在步骤7中，主井提升系统提升原煤含矸率ξ refuse数据从矿相应的煤质监测部门的煤质检验数据中获得。 The lean claim 1 for evaluation and monitoring of the overall efficiency of the method of production of the main shaft system, wherein, in step 7, main shaft hoisting system upgrade coal mine coal from the corresponding monitoring unit Refuse data rate ξ refuse Obtained in the coal quality inspection data.
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