阅读说明：本技术 焦炉无人化智能化控制系统及方法 (Unmanned intelligent control system and method for coke oven ) 是由 夏鹏飞 钱虎林 陈玉村 *** 方亮青 张英 何锦龙 张芳 李昊岭 方兴 高华 于 2020-05-12 设计创作，主要内容包括：本发明公开了一种焦炉车无人化智能化控制系统及方法,该系统包括：DCS控制器；机车,机车上设有控制柜,控制柜与DCS控制器通讯连接,DCS控制器上设有机车状态记录单元及生产计划制定单元,其中,机车状态记录单元记录机车的状态,机车状态包括：工作状态和非工作状态,非工作状态包括：空闲状态及检修状态；生产计划制定单元,基于设定目标工作量来制定推焦计划表,推焦计划表中定义了各类机车的连锁控制顺序及对应任务信息。基于推焦计划表来实现各类机车的自动连锁控制,实现焦炉机车的自动化控制。(The invention discloses an unmanned intelligent control system and method for a coke oven vehicle, wherein the system comprises the following components: a DCS controller; the locomotive is equipped with the switch board on the locomotive, and the switch board is connected with DCS controller communication, is equipped with locomotive state recording unit and production plan on the DCS controller and formulates the unit, and wherein, the state of locomotive state recording unit record locomotive, the locomotive state includes: the working state and the non-working state, the non-working state includes: an idle state and a maintenance state; and the production plan making unit is used for making a coke pushing plan table based on the set target workload, and the coke pushing plan table defines the linkage control sequence and the corresponding task information of various locomotives. Based on the coke pushing schedule, the automatic interlocking control of various locomotives is realized, and the automatic control of the coke oven locomotive is realized.)

1. An unmanned intelligent control system for a coke oven vehicle is characterized by comprising:

a DCS controller;

the locomotive is equipped with the switch board on the locomotive, and the switch board is connected with DCS controller communication, and the type of locomotive includes: coal pushing cars, coke quenching cars, coke guide cars and coal charging cars;

the DCS controller is provided with a locomotive state recording unit and a production plan making unit, wherein,

the locomotive state recording unit records and updates the state of the locomotive, and the locomotive state comprises: the working state and the non-working state, the non-working state includes: an idle state and a maintenance state;

and the production plan making unit is used for making a coke pushing plan table based on the set target workload, and the coke pushing plan table defines the linkage control sequence and the corresponding task information of various locomotives, including the task name, the task starting position and the task ending position.

2. The coke oven vehicle unmanned intelligent control system of claim 1, wherein the DCS controller is provided with:

the production correlation coefficient calculating unit calculates and displays the production correlation coefficient, and comprises: coke pushing planning coefficient, coke pushing execution coefficient, coke pushing total coefficient, stability coefficient, temperature uniformity coefficient and coal charging coefficient.

3. The coke oven vehicle unmanned intelligent control system of claim 1, wherein the DCS controller is further provided with:

and the coke pushing current display module displays the maximum coke pushing current of the locomotive in a working state and the furnace number corresponding to the maximum coke pushing current, and sends a prompt if the maximum coke pushing current exceeds a current threshold value.

4. The coke oven vehicle unmanned intelligent control system of claim 1, wherein the DCS controller is further provided with:

and the operation log generation module generates a report and outputs the report according to the planned furnace number, the actual furnace number, the coke pushing planning coefficient, the coke pushing execution coefficient, the coke pushing total coefficient, the coal charging maximum value, the minimum value and the average value, the maximum value and the average value of the coke pushing current and the coal charging coefficient of a single furnace or a plurality of furnaces of a daily or shift unit.

5. The coke oven vehicle unmanned intelligent control system of claim 1, wherein the DCS controller is further provided with:

and the real-time display module displays the coal charging furnace number and the coal charging time, and the coke discharging furnace number and the coke discharging time of each coke oven in real time.

6. The coke oven vehicle unmanned intelligent control system of claim 1, wherein the DCS controller is further provided with:

and a coal-charging automatic analysis unit which decomposes the target coal-charging amount and automatically generates a coal-charging table by taking the shift, day, month or year as a unit.

7. The control method of the coke oven car unmanned intelligent control system based on any one of claims 1 to 6 is characterized by comprising the following steps:

s1, after the task of the current locomotive is finished, changing the state of the current locomotive into a non-working state;

and S2, determining the next executive locomotive based on the coke pushing schedule, and changing the state of the next executive locomotive into the working state.

8. The coke oven car unmanned intelligent control method of claim 7, wherein the state updating method after the current locomotive mission is finished is specifically as follows:

s21, detecting whether the current locomotive is in a normal running state, if not, setting the state of the locomotive to be a maintenance state, and if so, executing the step S22;

s22, whether the detected accumulated working time reaches a time threshold or not is judged, if yes, the working state of the current locomotive is set to be a maintenance state, and if not, the working state of the current locomotive is set to be an idle state;

after the locomotive in the overhaul state is overhauled, the state of the locomotive is changed from the overhaul state to the idle state.

9. The coke oven vehicle unmanned intelligent control method of claim 7, wherein the method for determining the next locomotive to be executed comprises the steps of:

s31, determining the locomotive type of the next executive locomotive;

s32, obtaining the locomotive in an idle state in the locomotive type;

and S33, acquiring the locomotive closest to the task starting position in the idle state locomotives, and changing the type of the locomotive from the idle state to the working state.

Technical Field

The invention belongs to the technical field of coke oven vehicle control, and particularly relates to an unmanned intelligent control system and method for a coke oven.

Background

With the increasingly strict requirements of the national environmental protection law and the shortage of land resources, the coke oven is developed in large scale, and the large coke oven with the same yield is more environment-friendly, has longer service life and saves land. The requirement on the coke oven locomotive after the coke oven is large-sized is greatly improved, the large coke oven locomotive has heavy weight and large inertia, and the manual operation is difficult to achieve the expected accuracy. Therefore, the automatic positioning of the locomotive and the automation based on the automatic positioning are urgently needed to be realized, and finally, the unmanned and intelligent effects are realized. Therefore, the traditional coking industry realizes clean production, high-efficiency production and stable production without the unmanned and intelligent production of coke oven locomotives, 2 thousand seats of large and small coke ovens exist in China at present, the proportion of novel coke ovens is small, and the automation level of the coke oven locomotives is generally low.

Disclosure of Invention

The invention provides an unmanned intelligent control system of a coke oven vehicle, aiming at realizing the automatic control of the coke oven vehicle.

The invention is realized in this way, a coke oven car unmanned intelligent control system, the system includes:

a DCS controller;

the locomotive is equipped with the switch board on the locomotive, and the switch board is connected with DCS controller communication, and the type of locomotive includes: coal pushing cars, coke quenching cars, coke guide cars and coal charging cars;

the DCS controller is provided with a locomotive state recording unit and a production plan making unit, wherein,

the locomotive state recording unit records and updates the state of the locomotive, and the locomotive state comprises: the working state and the non-working state, the non-working state includes: an idle state and a maintenance state;

and the production plan making unit is used for making a coke pushing plan table based on the set target workload, and the coke pushing plan table defines the linkage control sequence and the corresponding task information of various locomotives, including the task name, the task starting position and the task ending position.

Further, the DCS controller is provided with:

the production correlation coefficient calculating unit calculates and displays the production correlation coefficient, and comprises: coke pushing planning coefficient, coke pushing execution coefficient, coke pushing total coefficient, stability coefficient, temperature uniformity coefficient and coal charging coefficient.

Further, still be equipped with on the DCS controller:

and the coke pushing current display module displays the maximum coke pushing current of the locomotive in a working state and the furnace number corresponding to the maximum coke pushing current, and sends a prompt if the maximum coke pushing current exceeds a current threshold value.

Further, still be equipped with on the DCS controller:

and the operation log generation module generates a report and outputs the report according to the planned furnace number, the actual furnace number, the coke pushing planning coefficient, the coke pushing execution coefficient, the coke pushing total coefficient, the coal charging maximum value, the minimum value and the average value, the maximum value and the average value of the coke pushing current and the coal charging coefficient of a single furnace or a plurality of furnaces of a daily or shift unit.

Further, still be equipped with on the DCS controller:

and the real-time display module displays the coal charging furnace number and the coal charging time, and the coke discharging furnace number and the coke discharging time of each coke oven in real time.

Further, still be equipped with on the DCS controller:

and a coal-charging automatic analysis unit which decomposes the target coal-charging amount and automatically generates a coal-charging table by taking the shift, day, month or year as a unit.

The invention is realized in such a way that a control method of an unmanned intelligent control system of a coke oven vehicle specifically comprises the following steps:

s1, after the task of the current locomotive is finished, changing the state of the current locomotive into a non-working state;

and S2, determining the next executive locomotive based on the coke pushing schedule, and changing the state of the next executive locomotive into the working state.

Further, the state updating method after the current locomotive mission is finished specifically comprises the following steps:

s21, detecting whether the current locomotive is in a normal running state, if not, setting the state of the locomotive to be a maintenance state, and if so, executing the step S22;

s22, whether the detected accumulated working time reaches a time threshold or not is judged, if yes, the working state of the current locomotive is set to be a maintenance state, and if not, the working state of the current locomotive is set to be an idle state;

after the locomotive in the overhaul state is overhauled, the state of the locomotive is changed from the overhaul state to the idle state.

Further, the method for determining the next locomotive to be executed specifically includes the following steps:

s31, determining the locomotive type of the next executive locomotive;

s32, obtaining the locomotive in an idle state in the locomotive type;

and S33, acquiring the locomotive closest to the task starting position in the idle state locomotives, and changing the type of the locomotive from the idle state to the working state.

The invention realizes automatic interlocking control of various locomotives based on the coke pushing schedule and realizes automatic control of the coke oven locomotive.

Drawings

FIG. 1 is a schematic structural diagram of an unmanned intelligent control system of a coke oven vehicle according to an embodiment of the invention;

FIG. 2 is a flow chart of an unmanned intelligent control method for a coke oven vehicle provided by the embodiment of the invention.

Detailed Description

The following detailed description of the embodiments of the present invention will be given in order to provide those skilled in the art with a more complete, accurate and thorough understanding of the inventive concept and technical solutions of the present invention.

Fig. 1 is a schematic structural diagram of an unmanned intelligent control system for a coke oven vehicle according to an embodiment of the present invention, and for convenience of description, only relevant parts of the embodiment of the present invention are shown.

The system comprises: a DCS controller;

the locomotive is equipped with the switch board on the locomotive, and the switch board is connected with DCS controller communication, and the type of locomotive includes: coal pushing cars, coke quenching cars, coke guide cars and coal charging cars;

the DCS controller is provided with a locomotive state recording unit and a production plan making unit, wherein,

the locomotive state recording unit records and updates the state of the locomotive, and the locomotive state comprises: the working state and the non-working state, the non-working state includes: an idle state and a maintenance state;

and the production plan making unit is used for making a coke pushing plan table based on the set target workload, and the coke pushing plan table defines the linkage control sequence and the corresponding task information of various locomotives, including the task name, the task starting position and the task ending position.

In the embodiment of the invention, the DCS controller is provided with:

the production correlation coefficient calculating unit calculates and displays the production correlation coefficient, and comprises: a coke pushing plan coefficient, a coke pushing execution coefficient, a coke pushing total coefficient, a stability coefficient, a temperature uniformity coefficient and a coal charging coefficient;

the coke pushing schedule explains the calculation of the production correlation coefficient in units of shift, day, or week, assuming that the explanation is made in units of shift, one day is divided into 2 shifts or 3 shifts, wherein,

coke pushing plan coefficient K₁：K₁＝(M-A₁) (ii) a/M; in the formula: m is the number of coke ovens pushed on the schedule, A₁The number of furnaces with the difference between the planned coking time and the specified coking time larger than +/-10 minutes;

coke pushing execution coefficient K₂：K₂＝(N-A₂) (ii) a/M; in the formula: n is the actual coke oven number of the shift plan, A₂The number of the coke oven with the difference between the actual coke pushing time and the planned coke pushing time larger than +/-10 minutes, wherein M is the number of the coke pushing oven of the shift plan;

total coefficient of coke pushing K₃：K₃＝K₁*K₂；

Stability factor K_An：K_An＝[2N₁-(A_ji+A_jo)]/2N₁(ii) a In the formula: k_AnIs the stability coefficient of the average temperature of the standard flame path of the coke oven every day and night, N₁For the number of direct temperature measurements of the coke oven every day and night, A_jiThe number of times that the difference between the average temperature of the coke oven side and the standard temperature specified by the heating system is +/-7 ℃ every time is A_joThe number of times that the coke side average temperature is different from the specified standard temperature by +/-7 ℃ is determined;

temperature uniformity coefficient K_{Are all made of}：K_{Are all made of}＝[(M₁-A_ji)+(M₁-A_j0)]/2M₁(ii) a In the formula: k_{Are all made of}Is the uniform coefficient of the temperature measuring flame path of the coke oven, M₁The number of combustion chambers of a coke oven (excluding two end combustion chambers and a buffer oven), A_jiThe temperature difference of the temperature measuring flame path at the machine side is more than +/-20 ℃ than the average temperatureNumber of combustion chambers (side furnace. + -. 30 ℃ C.), A_joThe difference between the temperature of the coke side temperature measuring flame path and the average temperature is more than +/-20 ℃ (side furnace +/-30 ℃) combustion chamber number; the maintenance furnace and the buffer furnace are excluded during calculation.

Coal loading coefficient: and the coal charging coefficient is (coal charging furnace number-unqualified furnace number)/coal charging furnace number, wherein the deviation of the coal charging amount (dry basis) of each hole and the designed coal charging amount is +/-600 kg, otherwise, the coal charging coefficient is an unqualified furnace number, when the coal charging amount is less than 1500kg of the designed coal charging amount, the coal charging needs to be supplemented within 30 minutes, no unfilled corner is required for the coal charging, and the coke on the furnace door is slightly lower and has a height less than 500 mm.

In the embodiment of the present invention, the DCS controller is further provided with:

the coke pushing current display module displays the maximum coke pushing current of the locomotive in a working state and a furnace number corresponding to the maximum coke pushing current, and sends a prompt if the maximum coke pushing current exceeds a current threshold;

in the embodiment of the present invention, the DCS controller is further provided with:

and the operation log generation module generates a report and outputs the report according to the planned furnace number, the actual furnace number, the coke pushing planning coefficient, the coke pushing execution coefficient, the coke pushing total coefficient, the coal charging maximum value, the minimum value and the average value, the maximum value and the average value of the coke pushing current and the coal charging coefficient of a single furnace or a plurality of furnaces of a daily or shift unit.

In the embodiment of the present invention, the DCS controller is further provided with:

and the real-time display module displays the coal charging furnace number and the coal charging time, and the coke discharging furnace number and the coke discharging time of each coke oven in real time.

In the embodiment of the present invention, the DCS controller is further provided with:

and the coal charging automatic analysis unit is used for decomposing the target coal charging amount, automatically generating a coal charging table by taking the shift, day, month or year as a unit, and calculating the dry-basis coal charging amount and the wet-basis coal charging amount in real time. The residual coal can be accurately counted, and the maximum value, the minimum value and the mean value of the coal charging in the time period are calculated.

Fig. 2 is a flowchart of an unmanned intelligent control method for a coke oven vehicle, which comprises the following steps:

s1, after the task of the current locomotive is finished, changing the state of the current locomotive into a non-working state;

and S2, determining the next execution locomotive based on the coke pushing schedule, and updating the state of the next execution locomotive to be the working state.

In the embodiment of the present invention, the state updating method after the current locomotive finishes working specifically includes:

s21, detecting whether the current locomotive is in a normal running state, if not, setting the state of the locomotive to be a maintenance state, and if so, executing the step S22;

s22, whether the detected accumulated working time reaches a time threshold or not is judged, if yes, the working state of the current locomotive is set to be a maintenance state, and if not, the working state of the current locomotive is set to be an idle state;

after the locomotive in the overhaul state is overhauled, the state of the locomotive is changed into an idle state from the overhaul state, the locomotive in the inspection state cannot execute the task, the locomotive in the idle state is the task to be executed, and the locomotive in the working state is determined to execute the task or is executing the task.

In an embodiment of the present invention, the method for determining the next locomotive specifically includes the following steps:

s31, determining the locomotive type of the next executive locomotive;

s32, obtaining the locomotive in an idle state in the locomotive type;

s33, obtaining the locomotive nearest to the task starting position in the idle state locomotives, and changing the type of the locomotive from the idle state to the working state

The invention realizes automatic interlocking control of various locomotives based on the coke pushing schedule and realizes automatic control of the coke oven locomotive.

The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to apply the inventive concept and solution to other applications without substantial modification.