CN111121921B - Device and method for detecting material level of head and tail coke hoppers on coke oven ground - Google Patents
Device and method for detecting material level of head and tail coke hoppers on coke oven ground Download PDFInfo
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- CN111121921B CN111121921B CN201911368366.3A CN201911368366A CN111121921B CN 111121921 B CN111121921 B CN 111121921B CN 201911368366 A CN201911368366 A CN 201911368366A CN 111121921 B CN111121921 B CN 111121921B
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- 239000000571 coke Substances 0.000 title claims abstract description 128
- 239000000463 material Substances 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title abstract description 12
- 238000004891 communication Methods 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims description 10
- 101100190618 Arabidopsis thaliana PLC3 gene Proteins 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 4
- 239000011335 coal coke Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
- G01F23/292—Light, e.g. infrared or ultraviolet
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B33/00—Discharging devices; Coke guides
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B33/00—Discharging devices; Coke guides
- C10B33/08—Pushers, e.g. rams
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B41/00—Safety devices, e.g. signalling or controlling devices for use in the discharge of coke
- C10B41/02—Safety devices, e.g. signalling or controlling devices for use in the discharge of coke for discharging coke
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
- G01S17/32—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/89—Lidar systems specially adapted for specific applications for mapping or imaging
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
Abstract
The invention provides a device and a method for detecting the material level of a head-tail coke hopper on the ground of a coke oven, wherein the device comprises the following components: the system comprises a furnace number positioning system, an on-board Programmable Logic Controller (PLC), a server, a laser radar scanner and a data server; the laser radar scanner scans and collects the residual coke state in the head and tail coke hopper of the ground; the server receives the collected data of the material level of the head and tail coke hoppers transmitted by the laser radar scanner, and processes and integrates the data information of the collected data into a complete 3D graph; the on-board programmable controller PLC receives the acquisition data of the material levels of the head and tail coke hoppers transmitted by the server, the furnace number positioning system and the on-board programmable controller PLC provide furnace number and running distance data for the coke pusher through data exchange, and the data are combined with the acquisition data of the material levels of the head and tail coke hoppers to form state information of the head and tail coke hoppers at specific positions; the data server receives and stores the state information of the head and tail coke hoppers at specific positions through wireless communication equipment on the vehicle and the ground and transmits the state information to the forklift dispatching system.
Description
Technical Field
The invention relates to the technical field of large-scale coke oven mechanical coke pushing machines and ground head-tail coke hoppers, in particular to a device and a method for detecting the material level of a coke oven ground head-tail coke hopper.
Background
The detection of whether the coke oven ground head and tail coke hoppers are full is always a constraint factor that the realization of the mechanical unmanned coke oven is difficult to overcome. In the prior art, after the head and tail coke hoppers are fully filled, a transport vehicle is informed to empty the head and tail coke hoppers and then return to the original position, and cart equipment is informed to put the residual coke into the head and tail coke hoppers again.
Disclosure of Invention
According to the technical problems, the device and the method for detecting the material level of the head-tail coke hopper on the ground of the coke oven are provided. According to the invention, the laser radar scanner arranged on the coke pusher is used for detecting the material level condition of the head and tail coke hoppers on the ground, the furnace number positioning system and the PLC on the coke pusher are used for providing the furnace number and the running distance data for the coke pusher through data exchange, the data are combined with the head and tail coke hopper material level acquisition data to form the state information of the head and tail coke hoppers at specific positions, the result is sent to the central control data server for storage and calling, the plan is more reasonably distributed to the next link system, the efficiency and the production automation level are improved, and great economic benefit is brought to enterprises.
The invention adopts the following technical means:
detecting device of coke oven ground head and tail coke hopper material level includes: the system comprises a furnace number positioning system, an on-board Programmable Logic Controller (PLC), a server, a laser radar scanner and a data server; the PLC is connected with the furnace number positioning system, the server and the laser radar scanner through hard wires; the PLC is connected with the data server through wireless communication equipment on the vehicle and the ground;
the laser radar scanner is arranged at the bottom of the coke pusher and is opposite to the head and tail coke hoppers on the ground; the device is used for scanning and collecting the residual coke state in the head and tail coke hopper of the ground;
the server is used for receiving the collected data of the material level of the head-to-tail coke hopper transmitted by the laser radar scanner and processing and integrating the data information of the collected data into a complete 3D graph;
the on-board programmable controller PLC receives the collected data of the material level of the head-to-tail coke hopper transmitted by the server, the furnace number positioning system and the on-board programmable controller PLC provide the coke pusher with the furnace number and the travelling distance data through data exchange, and the data are combined with the collected data of the material level of the head-to-tail coke hopper to form the state information of the head-to-tail coke hopper at a specific position;
the data server receives and stores the state information of the head and tail coke hoppers at specific positions through wireless communication equipment on the vehicle and the ground and transmits the state information to the forklift dispatching system.
Further, the laser radar scanner, the furnace number positioning system and the on-board programmable controller PLC are all powered by a DC24V power supply.
Further, the on-board programmable controller PLC comprises an I/O substation, a power supply, a CPU and a high-speed counting module, wherein the I/O substation is connected with the CPU through a PN bus.
Further, the detection system further comprises an encoder, and the encoder is connected with the high-speed counting module.
Further, the lidar scanner may be a single line lidar scanner.
The invention also provides a method for detecting the material level of the head-tail coke hopper on the ground of the coke oven, which comprises the following steps:
s1, scanning and collecting the residual coke state in a head-tail coke hopper of the ground by a laser radar scanner arranged at the bottom of a coke pusher and opposite to the head-tail coke hopper of the ground;
s2, receiving collected data of the material level of the head-to-tail coke hopper transmitted by the laser radar scanner through a server, and processing and integrating data information of the collected data into a complete 3D graph;
s3, receiving acquisition data of the material levels of the head and tail coke hoppers transmitted by the server through a Programmable Logic Controller (PLC) on the cart, providing the furnace number and the travelling distance data for the coke pushing cart through data exchange by a furnace number positioning system and the PLC on the cart, and combining the data with the acquisition data of the material levels of the head and tail coke hoppers to form state information of the head and tail coke hoppers at specific positions;
and S4, the data server receives and stores the state information of the head and tail coke hoppers at specific positions through wireless communication equipment on the vehicle and the ground and transmits the state information to the forklift dispatching system.
Compared with the prior art, the invention has the following advantages:
1. the detection device provided by the invention is applied to the coke pusher of the coke oven mobile equipment, can detect the material level condition of the head and tail coke hoppers on the ground, provides key data for the residual coke transporting system, and improves the automation level of the whole production link. Therefore, the use of the control method can significantly improve the market competitiveness of the product, and the economic benefit is immeasurable.
2. According to the ground head-tail coke bucket material level condition detected by the device, an advanced production management scheduling system is combined. And further, the production is improved as follows: 1) Reducing personnel and enhancing efficiency; 2) The production efficiency is improved; 3) Is convenient for realizing unmanned production in the future.
For the reasons, the invention can be widely popularized in the fields of large-scale coke oven mechanical coke pushing machines, ground head-tail coke hoppers and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to the drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic view of the structure of the device of the present invention;
fig. 2 is a wiring diagram of the device of the present invention.
FIG. 3 is a layout of the apparatus of the present invention;
FIG. 4 is a flow chart of the detection method of the present invention;
in the figure: 1. a laser radar scanner; 2. a server; 3. an onboard programmable controller PLC; 4. a furnace number positioning system; 5. an encoder; 6. wireless communication devices on board and on the ground; 7. a data server; 8. DC24V power supply.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present invention. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be clear that the dimensions of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention: the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.
As shown in FIG. 1, the invention provides a device for detecting the material level of a head-tail coke hopper on the ground of a coke oven, which comprises the following components: the system comprises a positioning system 4, an on-board programmable controller PLC3, a server 2, a laser radar scanner 1 and a data server 7; the on-board programmable controller PLC3 is connected with the furnace number positioning system 4, the server 2 and the single-line laser radar scanner 1 through hard wires; the on-board programmable controller PLC3 is connected with the data server 7 through wireless communication equipment 6 on the automobile and the ground;
further, as a preferred embodiment of the present invention, as shown in fig. 2, the lidar scanner 1, the positioning system 4, and the on-board programmable controller PLC3 are all powered by a DC24V power supply 8. The laser radar scanner 1 can be a single-line laser radar scanner, and the on-board programmable controller PLC comprises an I/O substation, a power supply, a CPU and a high-speed counting module, wherein the I/O substation is connected with the CPU through a PN bus.
Further, as a preferred embodiment of the present invention, the detection system further includes an encoder, and the encoder 5 is connected to the high-speed counting module.
The device is applied to a Baohan Zhanjiang 7-meter coke pusher and a follow-up large-sized top-loading coal coke pusher device:
in specific implementation, the laser radar scanner 1 is arranged at the bottom of the coke pusher and is opposite to the head and tail coke hoppers on the ground; the device is used for scanning and collecting the residual coke state in the head and tail coke hopper of the ground; the server 2 receives the collected data of the material level of the head and tail coke hoppers transmitted by the laser radar scanner 1, and processes and integrates the data information of the collected data into a complete 3D graph; the on-board programmable controller PLC3 receives the collected data of the material level of the head-to-tail coke hopper transmitted by the server 2, the furnace number positioning system 4 and the on-board programmable controller PLC3 provide the coke pusher furnace number and the travelling distance data through data exchange, and the data are combined with the collected data of the material level of the head-to-tail coke hopper to form the state information of the head-to-tail coke hopper at a specific position; the data server 7 receives and stores the state information of the head and tail coke hoppers at specific positions through the wireless communication equipment 6 on the vehicle and the ground, and transmits the state information to the forklift dispatching system. As shown in fig. 3, the positioning system 4 and the laser radar scanner 1 are installed on site, the on-board programmable controller PLC3 and the server 2 are arranged in a cart electric room, and the data server 7 is arranged in a central control room.
The detection method based on the coke oven ground head-tail coke hopper material level detection device comprises the following steps as shown in fig. 4:
s1, scanning and collecting the residual coke state in a head-tail coke hopper of the ground through a laser radar scanner 1 arranged at the bottom of a coke pusher and opposite to the head-tail coke hopper of the ground;
s2, receiving collected data of the material level of the head-to-tail coke hopper transmitted by the laser radar scanner 1 through the server 2, and processing and integrating the data information into a complete 3D graph;
s3, receiving acquisition data of the material level of the head and tail coke hoppers transmitted by the server 2 through a programmable controller PLC3 on the cart, providing the furnace number and running distance data for the coke pusher through data exchange by a furnace number positioning system 4 and the programmable controller PLC3 on the cart, and combining the data with the acquisition data of the material level of the head and tail coke hoppers to form state information of the head and tail coke hoppers at specific positions;
and S4, the data server 7 receives and stores the state information of the head and tail coke hoppers at specific positions through the wireless communication equipment 6 on the vehicle and the ground, and transmits the state information to the forklift dispatching system. The forklift scheduling system described herein is a prior art, and therefore will not be described in detail herein.
The specific working principle is as follows:
the first stage: the laser radar scanner 1 continuously scans the head and tail coke hoppers passing by the ground along with the movement of the coke pusher, and processes and integrates the scanned result into a complete 3D graph through the server 2. In practice, the single-line lidar scanner 1 scans N single-sided images, and integrates the single-sided images into a 3D image, and since the vehicles move at different speeds, the smaller the distance between the images formed by the two scanning periods of the scanner is required to be, the better, but the speed of the device cannot be reduced to meet the production, the shorter the time of the scanning period of the scanner is required to be, the better, and the following formula s=v is required max t, where V max The time of scanning period of the scanner is selected to be 10 ms-40 ms, the interval distance between two planes is 15 mm-60 mm, and the formed 3D effect graph can basically draw the whole 3D shape of the head and tail coke hopper. The embodiment uses a single-line laser radar, and can also be realized by using a multi-line laser radar.
And a second stage: the on-vehicle programmable controller PLC3 receives the acquisition data of the material level of the head and tail coke hoppers transmitted by the server 2, and combines the real-time position information recorded by the furnace number positioning system 4 with the acquisition data of the material level of the head and tail coke hoppers to form the state information of the head and tail coke hoppers at specific positions, so that the material level condition of the coke hoppers with which numbers can be accurately judged.
And a third stage: the state information of the head and tail coke hoppers at specific positions is received through the wireless communication equipment 6 on the vehicle and the ground, and the information is stored in the data server 7 and is transmitted to the forklift dispatching system.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the technical solutions according to the embodiments of the present invention.
Claims (6)
1. The utility model provides a detection device of coke oven ground head and tail coke hopper material level which characterized in that includes: the system comprises a furnace number positioning system, an on-board Programmable Logic Controller (PLC), a server, a laser radar scanner and a data server; the PLC is connected with the furnace number positioning system, the server and the laser radar scanner through hard wires; the PLC is connected with the data server through wireless communication equipment on the vehicle and the ground;
the laser radar scanner is arranged at the bottom of the coke pusher and is opposite to the head and tail coke hoppers on the ground; the device is used for scanning and collecting the residual coke state in the head and tail coke hopper of the ground;
the server is used for receiving the collected data of the material level of the head-to-tail coke hopper transmitted by the laser radar scanner and processing and integrating the data information of the collected data into a complete 3D graph;
the on-board programmable controller PLC receives the collected data of the material level of the head-to-tail coke hopper transmitted by the server, the furnace number positioning system and the on-board programmable controller PLC provide the coke pusher with the furnace number and the travelling distance data through data exchange, and the data are combined with the collected data of the material level of the head-to-tail coke hopper to form the state information of the head-to-tail coke hopper at a specific position;
the data server receives and stores the state information of the head and tail coke hoppers at specific positions through wireless communication equipment on the vehicle and the ground and transmits the state information to the forklift dispatching system.
2. The device for detecting the material level of the head-to-tail coke hopper on the coke oven floor according to claim 1, wherein the laser radar scanner, the oven number positioning system and the on-board programmable controller PLC are all powered by a DC24V power supply.
3. The device for detecting the material level of the head-to-tail coke hopper on the coke oven floor according to claim 1, wherein the on-board programmable controller PLC comprises an I/O substation, a power supply, a CPU and a high-speed counting module, and the I/O substation is connected with the CPU through a PN bus.
4. The apparatus for detecting the level of a coke oven floor head-to-tail coke hopper of claim 3, further comprising an encoder coupled to the high-speed counting module.
5. The apparatus for detecting the level of a coke oven floor head-to-tail hopper of claim 1, wherein the lidar scanner is a single-line lidar scanner.
6. A detection method of a detection apparatus according to any one of claims 1 to 5, comprising the steps of:
s1, scanning and collecting the residual coke state in a head-tail coke hopper of the ground by a laser radar scanner arranged at the bottom of a coke pusher and opposite to the head-tail coke hopper of the ground;
s2, receiving collected data of the material level of the head-to-tail coke hopper transmitted by the laser radar scanner through a server, and processing and integrating data information of the collected data into a complete 3D graph;
s3, receiving acquisition data of the material levels of the head and tail coke hoppers transmitted by the server through a Programmable Logic Controller (PLC) on the cart, providing the furnace number and the travelling distance data for the coke pushing cart through data exchange by a furnace number positioning system and the PLC on the cart, and combining the data with the acquisition data of the material levels of the head and tail coke hoppers to form state information of the head and tail coke hoppers at specific positions;
and S4, the data server receives and stores the state information of the head and tail coke hoppers at specific positions through wireless communication equipment on the vehicle and the ground and transmits the state information to the forklift dispatching system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911368366.3A CN111121921B (en) | 2019-12-26 | 2019-12-26 | Device and method for detecting material level of head and tail coke hoppers on coke oven ground |
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| CN201911368366.3A CN111121921B (en) | 2019-12-26 | 2019-12-26 | Device and method for detecting material level of head and tail coke hoppers on coke oven ground |
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| CN112779027A (en) * | 2020-12-24 | 2021-05-11 | 大连华锐重工焦炉车辆设备有限公司 | Coke oven head and tail coke unmanned transfer control system |
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| CA3009822C (en) * | 2015-12-28 | 2023-08-22 | Suncoke Technology And Development Llc | Method and system for dynamically charging a coke oven |
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