CN110721844A - Spray repair device and control method thereof - Google Patents
Spray repair device and control method thereof Download PDFInfo
- Publication number
- CN110721844A CN110721844A CN201910916943.1A CN201910916943A CN110721844A CN 110721844 A CN110721844 A CN 110721844A CN 201910916943 A CN201910916943 A CN 201910916943A CN 110721844 A CN110721844 A CN 110721844A
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- Prior art keywords
- gunning
- control device
- pipeline
- branch pipe
- machine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/002—Manually-actuated controlling means, e.g. push buttons, levers or triggers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/085—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to flow or pressure of liquid or other fluent material to be discharged
- B05B12/087—Flow or presssure regulators, i.e. non-electric unitary devices comprising a sensing element, e.g. a piston or a membrane, and a controlling element, e.g. a valve
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/10—Handling in a vacuum
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention provides a spray repair device and a control method thereof, wherein the spray repair device comprises: at least one pipeline connected with the spray repair machine; the control device is connected with the spray repair machine; and the remote control device sends a signal to the control device so as to control the gunning machine to convey the material into the furnace body through the at least one pipeline. The spray repair device provided by the invention has high working efficiency and can reduce the potential safety hazard of workers.
Description
Technical Field
The invention relates to the technical field of metallurgy, in particular to a spray repair device and a control method thereof.
Background
In recent decades, RH vacuum refining technology has made great progress, and the technology develops from the original single degassing function to various functions of vacuum degassing, decarburization, oxygen blowing decarburization, powder spraying desulfurization, temperature compensation, impurity removal, uniform temperature and components and the like, and becomes the most common secondary refining metallurgy method for smelting fine steel at present. The RH refining furnace dip pipe is important equipment for vacuum treatment of molten steel, and as the RH refining furnace dip pipe continuously works in the molten steel, a refractory material layer of the RH refining furnace dip pipe is eroded by the molten steel for a long time to cause damage and falling off, if the RH refining furnace dip pipe is not repaired in time, the RH refining furnace dip pipe is quickly scrapped to cause loss to a steel mill, and the steel-making cost is increased.
In the past, spray repair of a spray repair machine is manually controlled and operated, after a trolley of the spray repair machine is driven to a position below a dip pipe which is just treated with molten steel, because the spray repair machine is far away from the position below the dip pipe by two or three meters, personnel are easily scalded by red slag falling from the dip pipe above in the process of manually opening and closing a water valve, a gas valve and a material valve, and great potential safety hazards exist. The manual operation sequence switching of the water, gas and material valves also causes a lot of misoperation (wrong switching sequence of the gas, the water and the material valves and the like), so that abnormal material blockage of the spray repair machine and efficiency reduction are caused, and each blockage removal of the spray repair machine needs nearly one hour and delays production.
Disclosure of Invention
In view of the defects of the prior art, the invention provides a spray repair device and a control method thereof, and the spray repair device is used for improving the working efficiency and reducing the potential safety hazard of workers.
To achieve the above and other objects, the present invention provides a gunning device, including:
at least one pipeline connected with the spray repair machine;
the control device is connected with the spray repair machine;
and the remote control device sends a signal to the control device so as to control the gunning machine to convey the material into the furnace body through the at least one pipeline.
In one embodiment, the at least one conduit comprises a first branch and a second branch, the second branch being connected at both ends to the first branch.
In one embodiment, a valve body is arranged on the first branch pipe and is positioned between two ends of the second branch pipe.
In one embodiment, the second branch pipe is provided with a flow control valve, a valve body and a flow meter in sequence.
In one embodiment, the control device comprises:
a box body;
the receiver is arranged on the box body and used for receiving signals sent by the remote control device;
a plurality of switches disposed on the case;
and the buttons are arranged on the box body.
In one embodiment, the control device further comprises a plurality of indicator lights, and the indicator lights are arranged on the box body.
In one embodiment, when the remote control device fails, the gunning machine sends the materials into the furnace body through the first branch pipe.
In one embodiment, when the remote controller works normally, the gunning machine sends the materials into the furnace body through a second branch pipe.
The invention provides a control method of a spray repair device, which comprises the following steps:
sending a signal to a control device through a remote control device;
according to the signal, the control device sends a corresponding action instruction to the gunning machine;
and according to the action instruction, the spray repair machine conveys the materials into the furnace body through at least one pipeline.
In one embodiment, when the remote control device works normally, the gunning machine sends the material into the furnace body through the second branch pipe of the at least one pipeline, and when the remote control device fails, the gunning machine sends the material into the furnace body through the first branch pipe of the at least one pipeline.
In summary, the invention provides a spray repair device and a control method thereof, which can automatically control the spray repair machine by arranging a remote control device, thereby improving the working efficiency and the repair quality, simultaneously enabling the workers to be operated far away from a furnace body, and reducing the labor intensity and the potential safety hazard of the workers.
Drawings
FIG. 1: the present embodiment provides a schematic diagram of a spray repair device.
FIG. 2: the brief schematic diagram of the gunning machine in this embodiment.
FIG. 3: a schematic diagram of the control device in this embodiment.
FIG. 4: the present embodiment controls a PLC program diagram of the apparatus.
FIG. 5: the present embodiment provides a flowchart of a control method for a spray repair device.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
Referring to fig. 1, the present embodiment provides a spray repair device 100, where the spray repair device 100 includes: a gunning machine 110, a control device 120 and a remote control device 130. The control device 120 is connected to the gunning machine 110, and the remote control device 130 is connected to the control device 120 and transmits a command or a signal to the control device 120.
Referring to fig. 1, in the embodiment, the gunning machine 110 is connected to the furnace body 140, and the gunning machine is connected to the furnace body 140 through at least one pipeline, in the embodiment, the gunning machine 110 is connected to the furnace body 140 through three pipelines, wherein a first pipeline 111 delivers powder to the furnace body 140, a second pipeline 112 delivers liquid (e.g., water) to the furnace body 140, and a third pipeline 113 delivers gas to the furnace body 140. The first pipeline 111, the second pipeline 112 and the third pipeline 113 are designed in the same manner, and the first pipeline 111 is only used as an example for the description in this embodiment. The furnace body 140 in this embodiment may comprise a blast furnace, a rotary furnace, a vacuum furnace, or an electric furnace.
In some embodiments, the powder conveyed by the first pipeline 111 comprises Al2O3The composite is formed by used refractory material reclaimed materials, refractory clay, crystalline flake graphite, silicon carbide, alumina homogeneous materials, kyanite, bonding agents and additives. Containing Al2O3The particle size of the used refractory material regeneration material is 0.1-5 mm, the particle size of the refractory clay is 0.044-0.088 mm, the particle size of the flake graphite is 0.044-0.088 mm, the particle size of the silicon carbide is 0.044-0.088 mm, the particle size of the alumina homogeneity material is 0.044-0.088 mm, the particle size of the kyanite is 0.09-0.11 mm, and the particle size of the metal silicon is 0.1-0.088 mm. The binding agent consists of a main binding agent and an auxiliary binding agent, wherein the main binding agent is solid aluminum dihydrogen phosphate powder or pure calcium aluminate cement, and the main binding agent is respectively pure calcium aluminate cement and solid aluminum dihydrogen phosphate powder according to different cold construction and hot construction; the auxiliary binder is water-soluble thermoplastic phenolic resin powder.
Referring to fig. 1, in the embodiment, the first pipeline 111 includes a first branch 1111 and a second branch 1112, two ends of the second branch 1112 are connected to the first branch 1111, and a valve 1113 is disposed on the first branch 1111 and located between two ends of the second branch 1112, the valve 1113 is, for example, a manual valve, and the first branch 1111 can be opened or closed by manually rotating the valve 1113. In this embodiment, one end of the first branch 1111 is connected to the gunning machine 110, and the other end of the first branch 1111 is connected to the furnace body 140. A flow control valve 1114, a valve body 1115 and a flow meter 1116 are sequentially arranged on the second branch pipe 1112, the flow control valve 1114 is a pneumatic flow control valve, the valve body 1115 is a pneumatic valve for example, the control valve 1114 can adjust the flow rate of the material, the valve body 1115 can open or close the second branch pipe 1112, and the flow meter 1116 can monitor the flow rate of the material in real time. In this embodiment, the diameters of the first branch pipe 1111 and the second branch pipe 1112 are the same or different, and the first branch pipe 1111 and the second branch pipe 1112 are, for example, seamless steel pipes.
Referring to fig. 1, in the present embodiment, the gunning device 100 further includes a remote control device 130, and the remote control device 130 sends a signal or a command to the control device 120, and performs a corresponding action after the control device 120 receives the signal or the command.
When the gunning device normally carries out gunning work, the gunning machine sends the material into the furnace body through the second branch pipe, the valve body 1113 is in a closed state, and the valve body 1114 is in an open state. When the gunning machine cannot work normally, for example, when the remote control device breaks down, the gunning machine can adopt manual operation to send materials into the furnace body through the first branch pipe, and at the moment, the valve body 1113 is in an open state, and the valve body 1114 is in a closed state.
Referring to fig. 2, in the embodiment, the sprayer 110 is, for example, a wet sprayer or a semi-dry sprayer, and the sprayer 110 includes a mobile cart 110a, a housing 110b and a charging bucket 110 c. Wherein, the housing 110b is arranged on the movable trolley 110a, and the material pipe 110c is positioned in the housing 110 b. In this embodiment, the movable trolley 110a drives the housing 110b to move, and a material delivery pipe is further connected to the bottom of the material tank 110c, and the material delivery pipe is connected to the first pipeline to deliver the material into the corresponding furnace body.
Referring to fig. 3, in the present embodiment, the control device 120 includes a box 121, a receiver 122, a plurality of switches 123 and a plurality of buttons 124. The receiver 122 is disposed on the box 121, and the receiver 122 is configured to receive a signal transmitted by the remote control device, and when the receiver 122 receives the signal transmitted by the remote control device, the signal is transmitted to the PLC program of the control device 120, and then corresponding operations are performed. The receiver 122 is, for example, a wireless receiver. In this embodiment, the receiver 122 may include, for example, an antenna connected to the connector and used for receiving signals or commands, and a connector connected to the box 121.
Referring to fig. 3, in the present embodiment, a plurality of switches 123, for example, two switches, such as a first switch 1231 and a second switch 1232, are further disposed on the box body 121, and the first switch 1231 and the second switch 1232 both protrude from the box body 121. Wherein when the first switch 1231 is turned to one side, it indicates that the first switch 1231 selects the remote control, and when the first switch 1231 is turned to the other side, it indicates that the first switch 1231 selects the proximity control. When the second switch 1232 is turned to one side, it indicates that the second switch 1232 selects the automatic control, and when the second switch 1232 is turned to the other side, it indicates that the second switch 1232 selects the manual control. The remote control and the automatic control mean that the current control device adopts remote control, and the short-range control and the manual control mean that the current control device adopts manual control. The housing 121 is further provided with a plurality of buttons 124, for example, two buttons, such as a first button 1241 and a second button 1242, where the first button 1241 and the second button 1242 protrude from the housing 121. The first button 1241 is, for example, a start button, and the second button 1242 is, for example, a stop button. When the first button 1241 is pressed, it indicates that the control device 120 is activated, and when the second button 1242 is pressed, it indicates that the control device 120 is deactivated. In this embodiment, the box 120 may be disposed near the gunning machine 110 to save operating space.
In some embodiments, a display may be further disposed on the housing 121, and the operating state of the control device 120 can be known through the display. The housing 121 may further be provided with a plurality of indicator lights having different colors, and the operating state of the control device 120 may be determined according to the colors of the indicator lights.
Referring to fig. 4, the present embodiment explains a working flow of the control device 100:
the starting process comprises the steps of realizing circuit conduction through a power switch MO, pressing a starting button X004, opening and self-locking a gas pipe electromagnetic valve Y001, simultaneously enabling a gas pipe indicator lamp Y004 to light, starting time delay of a time relay T1, delaying time of a time relay T1 for 5 seconds, delaying time of a time relay T1 for 5 seconds, closing a normally open point of the time relay T1, opening and self-locking a water pipe electromagnetic valve Y002, simultaneously enabling a water pipe indicator lamp Y005 to light, starting time delay of a time relay T2, delaying time of a time relay T2 for 10 seconds, closing a normally open point of the time relay T2 after delaying time of a time relay T2 for 10 seconds, opening and self-locking a material pipe electromagnetic valve Y003, simultaneously enabling a material pipe indicator lamp Y006 to light, and accordingly completing sequential starting of a gas pipe, a water pipe and a material pipe.
The closing process comprises the steps that a closing button X005 is pressed, a relay M1 is started, a normally closed point of a relay M1 is disconnected, a material pipe electromagnetic valve Y003 and a material pipe indicator lamp Y006 are closed, a time relay T3 starts to delay, a time relay T3 delays for 5 seconds, a water pipe electromagnetic valve Y002 and a water pipe indicator lamp Y005 are closed after the time relay T3 delays for 5 seconds, a time relay T4 starts to delay, a time relay T4 delays for 10 seconds, and a gas pipe electromagnetic valve Y001 and a gas pipe indicator lamp Y004 are closed after the time relay T4 delays for 10 seconds, so that a gas pipe, a water pipe and a material pipe are sequentially closed.
In this embodiment, X001 and X002 act as pressure or flow protection switches, and when the flow value or pressure value is smaller than a set value, for example, a water cut-off occurs in the water pipe, X001 or X002 acts, and the air pipe, the water pipe and the material pipe are sequentially closed.
In this embodiment, X000 is used as an emergency stop switch, and when the control device 120 fails, the emergency stop switch X000 is activated to protect the control device.
In this embodiment, the material pipe is, for example, a first pipeline, the water pipe is, for example, a second pipeline, the air pipe is, for example, a third pipeline, and any one of the three pipelines can be arbitrarily selected from the material pipe, the water pipe, and the air pipe, and are completely different.
Referring to fig. 5, the present embodiment further provides a method for controlling a spray repairing apparatus, including:
s1: sending a signal to a control device through a remote control device;
s2: according to the signal, the control device sends a corresponding action instruction to the gunning machine;
s3: and according to the action instruction, the spray repair machine conveys the materials into the furnace body through at least one pipeline.
In step S1, before the furnace body is maintained, the operating states of the remote control device, the control device and the gunning machine are checked, then the gunning machine is moved to a designated position, the first pipeline (material pipe), the second pipeline (water pipe) and the third pipeline (air pipe) are respectively connected to corresponding positions, then the first button on the control device grid is selected for remote control, the second button is selected for automatic control, and then the remote control button is pressed to send an instruction or a signal to the control device.
In step S2, after the control device receives the signal or the command, the control device performs a corresponding action command, for example, the solenoid valve of the third pipeline is turned on and the yellow indicator light is turned on, then the valve body (pneumatic valve) on the third pipeline is turned on, after 5 seconds, the solenoid valve of the second pipeline is turned on and the blue indicator light is turned on, then the valve body (pneumatic valve) on the second pipeline is turned on, after 5 seconds, the gunning machine is turned on and the solenoid valve of the first pipeline is turned on and the green indicator light is turned on, and then the valve body (pneumatic valve) on the first pipeline is turned on.
In step S3, after the first, second and third pipelines are opened, the gunning machine automatically transports the powder material, water and gas into the furnace body through the first, second and third pipelines, respectively. After the gunning work is finished, after the remote control stop button is turned off, all actions and at least lamps are turned off in the opposite sequence, the first pipeline (material pipe), the second pipeline (water pipe) and the third pipeline (air pipe) are disassembled, and the gunning machine is conveyed to the original position.
It should be noted that, in the automatic feeding process of the gunning machine, the flow of the material can be adjusted by adjusting the pneumatic flow control valves on the pipelines, so as to achieve a better gunning effect.
It should be noted that, in the automatic feeding process of the gunning machine, the material enters the furnace body through the second branch pipes of each pipeline, and the first branch pipes on each pipeline are in a closed state.
When the remote control device has a fault, manual operation can be adopted, and the method comprises the following specific steps: firstly, moving the gunning machine to a known position, then connecting the first pipeline, the second pipeline and the third pipeline to the gunning machine, then selecting short-range control by the first button, selecting manual control by the second button, then manually opening the manual valves on the pipelines, and starting the gunning machine to realize manual gunning. And after the spray repair work is finished, all actions during closing are closed in the reverse order.
When the manual operation is performed, the gunning machine sends the materials into the furnace body through the first branch pipes on the pipelines.
In conclusion, the invention provides the spray repair device and the control method thereof, the spray repair device can automatically perform spray repair work on the furnace body, the work efficiency is improved, the safety risk of workers is greatly reduced, and meanwhile, the problems of misoperation, complex operation and the like of manual operation of the spray repair machine are solved. The gunning device provided by the invention is not limited to gunning machine equipment, and can also be suitable for the forward start and reverse stop of multiple pipelines.
The above description is only a preferred embodiment of the present application and a description of the applied technical principle, and it should be understood by those skilled in the art that the scope of the present invention related to the present application is not limited to the technical solution of the specific combination of the above technical features, and also covers other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept, for example, the technical solutions formed by mutually replacing the above features with (but not limited to) technical features having similar functions disclosed in the present application.
Other technical features than those described in the specification are known to those skilled in the art, and are not described herein in detail in order to highlight the innovative features of the present invention.
Claims (10)
1. A gunning device, comprising:
at least one pipeline connected with the spray repair machine;
the control device is connected with the spray repair machine;
and the remote control device sends a signal to the control device so as to control the gunning machine to convey the material into the furnace body through the at least one pipeline.
2. The gunning device according to claim 1, wherein: the at least one pipeline comprises a first branch pipe and a second branch pipe, and two ends of the second branch pipe are connected to the first branch pipe.
3. The gunning device according to claim 2, wherein: the first branch pipe is provided with a valve body, and the valve body is located between two ends of the second branch pipe.
4. The gunning device according to claim 3, wherein: and the second branch pipe is sequentially provided with a flow control valve, a valve body and a flow meter.
5. The gunning device according to claim 4, wherein the control device comprises:
a box body;
the receiver is arranged on the box body and used for receiving signals sent by the remote control device;
a plurality of switches disposed on the case;
and the buttons are arranged on the box body.
6. The gunning device according to claim 5, wherein: the control device also comprises a plurality of indicator lights which are arranged on the box body.
7. The gunning device according to claim 6, wherein: when the remote control device breaks down, the gunning machine sends the material into the furnace body through the first branch pipe.
8. The gunning device according to claim 7, wherein: when the remote control normally works, the gunning machine sends the materials into the furnace body through a second branch pipe.
9. A control method of a gunning device is characterized by comprising the following steps:
sending a signal to a control device through a remote control device;
according to the signal, the control device sends a corresponding action instruction to the gunning machine;
and according to the action instruction, the spray repair machine conveys the materials into the furnace body through at least one pipeline.
10. The control method according to claim 9, characterized in that: when the remote control normally works, the gunning machine sends the material into the furnace body through the second branch pipe of the at least one pipeline, and when the remote control device breaks down, the gunning machine sends the material into the furnace body through the first branch pipe of the at least one pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910916943.1A CN110721844A (en) | 2019-09-26 | 2019-09-26 | Spray repair device and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910916943.1A CN110721844A (en) | 2019-09-26 | 2019-09-26 | Spray repair device and control method thereof |
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| CN110721844A true CN110721844A (en) | 2020-01-24 |
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| CN201910916943.1A Pending CN110721844A (en) | 2019-09-26 | 2019-09-26 | Spray repair device and control method thereof |
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| DE2053420A1 (en) * | 1969-11-04 | 1971-08-12 | Glaverbel | Method and device for shaping refractory masses, in particular for the repair of warm, refractory masses in a furnace |
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| CN101555152A (en) * | 2009-05-15 | 2009-10-14 | 佘成明 | Single iron-port blast furnace tapping main channel gunning material and gunning technology |
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| CN202932018U (en) * | 2012-11-30 | 2013-05-15 | 南昌正大畜禽有限公司 | Automatic feeding control system of feed particle granulator |
| CN205024753U (en) * | 2015-08-13 | 2016-02-10 | 北京安期生技术有限公司 | Underground scraper remote manual control allies oneself with locking control device |
| WO2019133893A1 (en) * | 2017-12-28 | 2019-07-04 | Ppg Architectural Finishes, Inc. | Pneumatic material spray gun |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2053420A1 (en) * | 1969-11-04 | 1971-08-12 | Glaverbel | Method and device for shaping refractory masses, in particular for the repair of warm, refractory masses in a furnace |
| CN201225828Y (en) * | 2008-04-30 | 2009-04-22 | 鞍山赛拉美克热陶瓷工程有限公司 | Spray repair machine with single-spray gun structure for vacuum cyclic fining furnace soaking tube |
| CN101555152A (en) * | 2009-05-15 | 2009-10-14 | 佘成明 | Single iron-port blast furnace tapping main channel gunning material and gunning technology |
| CN102322741A (en) * | 2011-08-08 | 2012-01-18 | 北京联合荣大工程材料有限责任公司 | Remote control converter wet spraying process method and device |
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| CN202932018U (en) * | 2012-11-30 | 2013-05-15 | 南昌正大畜禽有限公司 | Automatic feeding control system of feed particle granulator |
| CN205024753U (en) * | 2015-08-13 | 2016-02-10 | 北京安期生技术有限公司 | Underground scraper remote manual control allies oneself with locking control device |
| WO2019133893A1 (en) * | 2017-12-28 | 2019-07-04 | Ppg Architectural Finishes, Inc. | Pneumatic material spray gun |
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Application publication date: 20200124 |