CN113251442A - Intelligent combustion flame detection device - Google Patents
Intelligent combustion flame detection device Download PDFInfo
- Publication number
- CN113251442A CN113251442A CN202110550208.0A CN202110550208A CN113251442A CN 113251442 A CN113251442 A CN 113251442A CN 202110550208 A CN202110550208 A CN 202110550208A CN 113251442 A CN113251442 A CN 113251442A
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- Prior art keywords
- fixedly connected
- shell
- detection device
- damping spring
- flame
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/42—Continuous combustion chambers using liquid or gaseous fuel characterised by the arrangement or form of the flame tubes or combustion chambers
- F23R3/60—Support structures; Attaching or mounting means
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Combustion (AREA)
Abstract
The invention discloses an intelligent detection device for combustion flame, which is fixedly connected with a shell through a glass plate, a detection probe is fixedly connected with the shell, a flame amplifier is electrically connected with the detection probe, a communication module is electrically connected with the flame amplifier, a first inner cylinder is fixedly connected with the shell, a first limiting block is fixedly connected with the first inner cylinder, a first damping spring is fixedly connected with the first limiting block, a first outer cylinder is fixedly connected with a first damping spring, a mounting plate is fixedly connected with a first outer cylinder, a connecting rod is fixedly connected with the mounting plate, the mounting frame is rotatably connected with the connecting rod, a second inner cylinder is rotatably connected with the connecting rod, a second limiting block is fixedly connected with the second inner cylinder, a second damping spring is fixedly connected with a second limiting block, a second outer cylinder is fixedly connected with a second damping spring, a sliding block is fixedly connected with the second outer cylinder, and the sliding block is slidably connected with the mounting frame, so that the problem that the vibration generated by the work of large-sized equipment or the activity of field personnel can influence the intelligent detection device for combustion flame The detection effect on the flame is problematic.
Description
Technical Field
The invention relates to the technical field of electronic measurement and control, in particular to an intelligent combustion flame detection device.
Background
When single flame or multiple flames burn, the power station and the industrial boiler carry out high-safety monitoring on the burning flames, and the stability of the intelligent burning flame detection device can be influenced by vibration generated by the work of large-scale equipment on an installation site or the activities of field personnel, so that the detection effect of the intelligent burning flame detection device on the flames is influenced.
Disclosure of Invention
The invention aims to provide an intelligent combustion flame detection device, and aims to solve the problem that vibration generated by the work of large-scale equipment on an installation site or the activity of site personnel can influence the detection effect of the intelligent combustion flame detection device on flame.
In order to achieve the above object, the present invention provides an intelligent detection device for combustion flame, comprising a housing, a glass plate, a detection probe, a flame amplifier, a communication module, a heat dissipation assembly, a cleaning assembly, a first inner tube, a first limiting block, a plurality of first damping springs, a first outer tube, a mounting plate, a connecting rod, a mounting frame, a second inner tube, a second limiting block, a second damping spring, a second outer tube and a slider, wherein the glass plate is fixedly connected with the housing and penetrates through the housing, the detection probe is fixedly connected with the housing and is located inside the housing, the flame amplifier is electrically connected with the detection probe and is located inside the housing, the communication module is electrically connected with the flame amplifier and is located inside the housing, the housing has a heat dissipation port, the heat dissipation assembly is fixedly connected with the housing and is located at the heat dissipation port, the cleaning component is fixedly connected with the shell and positioned on one side close to the glass plate, the first inner tube is fixedly connected with the shell and positioned on the outer side wall of the shell, the first limiting block is fixedly connected with the other side of the first inner tube, the first damping springs are respectively fixedly connected with the other side of the first limiting block, the first outer tube is fixedly connected with the other sides of the first damping springs and positioned around the first damping springs and the first limiting block, the mounting plate is fixedly connected with the first outer tube and positioned on one side far away from the first damping springs, the connecting rod is fixedly connected with the other side of the mounting plate, the mounting frame is rotatably connected with the other side of the connecting rod, the second inner tube is rotatably connected with the connecting rod and positioned on the outer side wall of the connecting rod, the second stopper with the opposite side fixed connection of second inner tube, second damping spring with the opposite side fixed connection of second stopper, the second urceolus with the opposite side fixed connection of second damping spring, just the second urceolus is located second damping spring with around the second stopper, the mounting bracket has the spout, one side of slider with the outer section of thick bamboo fixed connection of second to be located and keep away from one side of second damping spring, the opposite side of slider with mounting bracket sliding connection, and be located on the spout.
The intelligent combustion flame detection device further comprises two fixing pins, wherein the fixing pins are detachably connected with the mounting frame respectively and are located on the sliding grooves.
The intelligent combustion flame detection device further comprises two pull ropes, wherein the two pull ropes are fixedly connected with the two fixing pins respectively and are located on one side far away from the sliding block.
The intelligent combustion flame detection device further comprises an optical filter, one side of the optical filter is electrically connected with the detection probe and is positioned inside the shell, and the other side of the optical filter is electrically connected with the flame amplifier.
The heat dissipation assembly comprises a fixing frame, a motor and fan blades, the fixing frame is fixedly connected with the shell and located at the position of the heat dissipation opening, the motor is fixedly connected with the fixing frame and located inside the shell, and the fan blades are fixedly connected with the output end of the motor.
The heat dissipation assembly further comprises a protective cover, and the protective cover is fixedly connected with the shell and located at the position of the heat dissipation opening.
The intelligent combustion flame detection device further comprises a dust collection box, wherein the dust collection box is detachably connected with the shell and is positioned on one side close to the cleaning component.
The invention relates to an intelligent combustion flame detection device, which is fixedly connected with a shell through a glass plate and penetrates through the shell, a detection probe is fixedly connected with the shell and is positioned in the shell, a flame amplifier is electrically connected with the detection probe and is positioned in the shell, a communication module is electrically connected with the flame amplifier and is positioned in the shell, the shell is provided with a heat dissipation opening, a heat dissipation component is fixedly connected with the shell and is positioned at the heat dissipation opening, a cleaning component is fixedly connected with the shell and is positioned at one side close to the glass plate, a first inner cylinder is fixedly connected with the shell and is positioned on the outer side wall of the shell, a first limit block is fixedly connected with the other side of the first inner cylinder, and a plurality of first damping springs are respectively and fixedly connected with the other side of the first limit block, the first outer barrel is fixedly connected with the other side of the first damping springs, the first outer barrel is positioned around the first damping springs and the first limiting block, the mounting plate is fixedly connected with the first outer barrel and positioned at one side far away from the first damping springs, the connecting rod is fixedly connected with the other side of the mounting plate, the mounting frame is rotatably connected with the other side of the connecting rod, the second inner barrel is rotatably connected with the connecting rod and positioned at the outer side wall of the connecting rod, the second limiting block is fixedly connected with the other side of the second inner barrel, the second damping springs are fixedly connected with the other side of the second limiting block, the second outer barrel is fixedly connected with the other side of the second damping springs, and the second outer barrel is positioned around the second damping springs and the second limiting block, the mounting bracket has the spout, one side of slider with the outer section of thick bamboo fixed connection of second to be located and keep away from one side of second damping spring, the opposite side of slider with mounting bracket sliding connection, and be located on the spout, the produced vibrations of work or the activity of on-the-spot personnel of the large-scale apparatus of installation scene have been solved and the problem of the detection effect of burning flame intellectual detection system device to flame can be influenced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an intelligent detection device for combustion flame;
FIG. 2 is a cross-sectional view of a combustion flame intelligent detection device;
fig. 3 is a partially enlarged view a of fig. 2.
1-shell, 2-glass plate, 3-detection probe, 4-flame amplifier, 5-communication module, 6-heat dissipation port, 7-heat dissipation component, 8-cleaning component, 9-first inner cylinder, 10-first limiting block, 11-first damping spring, 12-first outer cylinder, 13-mounting plate, 14-connecting rod, 15-mounting rack, 16-second inner cylinder, 17-second limiting block, 18-second damping spring, 19-second outer cylinder, 20-sliding block, 21-sliding chute, 22-fixing pin, 23-pull rope, 24-optical filter, 25-fixing rack, 26-motor, 27-fan blade, 28-protective cover, 29-dust collecting box, 30-cylinder, 31-piston rod, piston rod, 32-cleaning plate, 33-scraper, 34-cleaning sponge.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must be constructed and operated in a specific orientation and thus should not be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 3, the present invention provides an intelligent detection device for combustion flame, including a housing 1, a glass plate 2, a detection probe 3, a flame amplifier 4, a communication module 5, a heat dissipation assembly 7, a cleaning assembly 8, a first inner cylinder 9, a first stopper 10, a plurality of first damping springs 11, a first outer cylinder 12, a mounting plate 13, a connecting rod 14, a mounting frame 15, a second inner cylinder 16, a second stopper 17, a second damping spring 18, a second outer cylinder 19, and a slider 20, wherein the glass plate 2 is fixedly connected to the housing 1 and penetrates through the housing 1, the detection probe 3 is fixedly connected to the housing 1 and is located inside the housing 1, the flame amplifier 4 is electrically connected to the detection probe 3 and is located inside the housing 1, the communication module 5 is electrically connected to the flame amplifier 4 and is located inside the housing 1, the shell 1 is provided with a heat dissipation port 6, the heat dissipation assembly 7 is fixedly connected with the shell 1 and is positioned at the heat dissipation port 6, the cleaning assembly 8 is fixedly connected with the shell 1 and is positioned at one side close to the glass plate 2, the first inner tube 9 is fixedly connected with the shell 1 and is positioned at the outer side wall of the shell 1, the first limit block 10 is fixedly connected with the other side of the first inner tube 9, the first damping springs 11 are respectively fixedly connected with the other side of the first limit block 10, the first outer tube 12 is fixedly connected with the other side of the first damping springs 11, the first outer tube 12 is positioned around the first damping springs 11 and the first limit block 10, the mounting plate 13 is fixedly connected with the first outer tube 12 and is positioned at one side far away from the first damping springs 11, the connecting rod 14 is fixedly connected with the other side of the mounting plate 13, the mounting bracket 15 with the opposite side of connecting rod 14 rotates to be connected, the second inner tube 16 with connecting rod 14 rotates to be connected, and is located connecting rod 14 lateral wall, the second stopper 17 with the opposite side fixed connection of second inner tube 16, second damping spring 18 with the opposite side fixed connection of second stopper 17, the second outer tube 19 with the opposite side fixed connection of second damping spring 18, just the second outer tube 19 is located second damping spring 18 with second stopper 17 is all around, mounting bracket 15 has spout 21, one side of slider 20 with the second outer tube 19 fixed connection, and be located keep away from one side of second damping spring 18, the opposite side of slider 20 with mounting bracket 15 sliding connection, and be located on the spout 21.
In this embodiment, the detecting probe 3 in the housing 1 is aligned to the flame burning part during installation, when there is fire burning, the detecting probe 3 senses the infrared ray or ultraviolet ray in the flame through the glass plate 2 and transmits the infrared ray or ultraviolet ray to the flame amplifier 4, the flame amplifier 4 processes the data and then establishes communication with the computer through the communication module 5, the heat dissipation assembly 7 discharges the heat generated when the detecting probe 3, the flame amplifier 4 and the communication module 5 in the housing 1 work from the heat dissipation port 6, the cleaning assembly 8 scrapes off the dust and the residue generated by burning attached to the glass plate 2, thereby preventing the detecting probe 3 from influencing the detecting effect due to the dust attached to the glass plate 2, and the housing 1 is installed through the mounting bracket 15 during installation, the included angle between the connecting rod 14 and the mounting frame 15 can be further adjusted by adjusting the sliding condition of the sliding block 20 on the second outer cylinder 19 in the sliding groove 21 on the mounting frame 15, the position of the detection probe 3 in the housing 1 on the connecting rod 14 can be further adjusted, the connecting rod 14, the mounting frame 15, the second inner cylinder 16 and the second outer cylinder 19 are connected with each other to form a triangle, the stability of the housing 1 is increased, the damping spring between the first inner cylinder 9 and the first outer cylinder 12 of the housing 1 and the second damping spring 18 between the second inner cylinder 16 and the second outer cylinder 19 can absorb the vibration generated when the large-scale equipment is installed or the field personnel moves, in order to prevent the first inner cylinder 9 from being ejected out of the first outer cylinder 12 by the first damping spring 11, therefore, the first limiting blocks 10 are arranged on the first inner cylinder 9, the diameter between the first limiting blocks 10 is larger than that of the first outer cylinder 12, and the second limiting blocks 17 solve the problem that the vibration generated by the work of large-scale equipment on the installation site or the activity of site personnel can influence the flame detection effect of the intelligent combustion flame detection device.
Further, the intelligent detecting device for combustion flame further comprises two fixing pins 22, wherein the two fixing pins 22 are detachably connected with the mounting frame 15 and located on the sliding groove 21.
In the present embodiment, the fixing pins 22 are attached to the slide grooves 21 on both sides of the slider 20, so that the slider 20 can be locked to the slide grooves 21 to fix the slider 20.
Further, the intelligent detecting device for the combustion flame further comprises two pull ropes 23, wherein the two pull ropes 23 are respectively fixedly connected with the two fixing pins 22 and are located on one side far away from the sliding block 20.
In the present embodiment, the anchor pin 22 can be removed from the housing 1 by the pull cord 23 of the anchor pin 22, and the force applied to the anchor pin 22 is concentrated, thereby increasing the convenience of the anchor pin 22 in use.
Further, the intelligent detection device for the combustion flame further comprises an optical filter 24, one side of the optical filter 24 is electrically connected with the detection probe 3 and is positioned inside the shell 1, and the other side of the optical filter 24 is electrically connected with the flame amplifier 4.
In the present embodiment, the filter 24 filters the flame detected by the detection probe 3, so as to prevent the flame amplifier 4 from being interfered by unnecessary data in the flame and generating errors when processing the data transmitted from the detection probe 3.
Further, the heat dissipation assembly 7 includes a fixing frame 25, a motor 26 and fan blades 27, the fixing frame 25 is fixedly connected to the housing 1 and located at the heat dissipation opening 6, the motor 26 is fixedly connected to the fixing frame 25 and located inside the housing 1, and the fan blades 27 are fixedly connected to an output end of the motor 26.
In this embodiment, the motor 26 on the fixing frame 25 drives the fan blades 27 to rotate, so as to discharge heat generated when the detection probe 3, the optical filter 24, the flame amplifier 4 and the communication module 5 in the casing 1 operate, from the heat dissipation port 6.
Further, the heat dissipation assembly 7 further comprises a protective cover 28, and the protective cover 28 is fixedly connected with the housing 1 and located at the heat dissipation port 6.
In the present embodiment, in order to prevent external foreign objects from blocking the fan blades 27 of the heat dissipating module 7 through the heat dissipating port 6 and affecting the heat dissipating effect of the heat dissipating module 7, the protecting cover 28 is disposed at the heat dissipating port 6.
Further, the intelligent combustion flame detection device further comprises a dust collection box 29, and the dust collection box 29 is detachably connected with the housing 1 and is positioned at one side close to the cleaning component 8.
In this embodiment, the dust box 29 is used for receiving the dust and the residue cleaned by the cleaning assembly 8 from the glass plate 2, so as to prevent the dust and the residue from polluting the environment.
Further, the cleaning assembly 8 comprises a cylinder 30, a piston rod 31, a cleaning plate 32 and a scraper 33, the cylinder 30 is fixedly connected with the housing 1 and is located near one side of the glass plate 2, the piston rod 31 is fixedly connected with an output end of the cylinder 30, the cleaning plate 32 is fixedly connected with the other side of the piston rod 31, and the scraper 33 is fixedly connected with the cleaning plate 32 and is located between the cleaning plate 32 and the glass plate 2.
In this embodiment, the cylinder 30 drives the piston rod 31 to drive the cleaning plate 32 to descend, and when the cleaning plate 32 descends, the scraper 33 on the cleaning plate 32 scrapes the dust and residue attached to the glass plate 2 into the dust collecting box 29, so as to prevent the detection probe 3 from influencing the detection effect due to the dust attached to the glass plate 2.
Further, the cleaning assembly 8 further comprises a cleaning sponge 34, and the cleaning sponge 34 is detachably connected with the cleaning plate 32 and is located between the cleaning plate 32 and the glass plate 2.
In the present embodiment, after the scraper 33 scrapes off dust and residue on the glass plate 2, the cleaning sponge 34 performs secondary cleaning on the glass plate 2, so that the cleaning effect of the cleaning assembly 8 is increased.
The invention relates to an intelligent combustion flame detection device, wherein a detection probe 3 in a shell 1 is aligned to a flame combustion part during installation, when a fire burns, the detection probe 3 senses infrared rays or ultraviolet rays in flame through a glass plate 2 and transmits the infrared rays or the ultraviolet rays to a flame amplifier 4, the flame amplifier 4 performs data processing on the flame amplifier and then establishes communication with a computer through a communication module 5, a heat dissipation component 7 discharges heat generated when the detection probe 3, the flame amplifier 4 and the communication module 5 in the shell 1 work from a heat dissipation port 6, a cleaning component 8 scrapes dust and residues generated by combustion attached on the glass plate 2 so as to prevent the detection probe 3 from influencing the detection effect of the dust attached on the glass plate 2, and the shell 1 is installed through an installation frame 15 during installation, the included angle between the connecting rod 14 and the mounting frame 15 can be further adjusted by adjusting the sliding condition of the sliding block 20 on the second outer cylinder 19 in the sliding groove 21 on the mounting frame 15, the position of the detection probe 3 in the housing 1 on the connecting rod 14 can be further adjusted, the connecting rod 14, the mounting frame 15, the second inner cylinder 16 and the second outer cylinder 19 are connected with each other to form a triangle, the stability of the housing 1 is increased, the damping spring between the first inner cylinder 9 and the first outer cylinder 12 of the housing 1 and the second damping spring 18 between the second inner cylinder 16 and the second outer cylinder 19 can absorb the vibration generated when the large-scale equipment is installed or the field personnel moves, in order to prevent the first inner cylinder 9 from being ejected out of the first outer cylinder 12 by the first damping spring 11, therefore, the first limiting blocks 10 are arranged on the first inner cylinder 9, the diameter between the first limiting blocks 10 is larger than that of the first outer cylinder 12, and the second limiting blocks 17 solve the problem that the vibration generated by the work of large-scale equipment on the installation site or the activity of site personnel can influence the flame detection effect of the intelligent combustion flame detection device.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. The utility model provides a burning flame intellectual detection system device, its characterized in that, including shell, glass board, test probe, flame amplifier, communication module, radiator unit, clean subassembly, first inner tube, first stopper, a plurality of first damping spring, first urceolus, mounting panel, connecting rod, mounting bracket, second inner tube, second stopper, second damping spring, second urceolus and slider, the glass board with shell fixed connection to run through the shell, test probe with shell fixed connection to be located inside the shell, flame amplifier with the test probe electricity is connected, and is located inside the shell, communication module with the flame amplifier electricity is connected, and is located inside the shell, the shell has the thermovent, radiator unit with shell fixed connection, and be located thermovent department, the cleaning component is fixedly connected with the shell and positioned on one side close to the glass plate, the first inner tube is fixedly connected with the shell and positioned on the outer side wall of the shell, the first limiting block is fixedly connected with the other side of the first inner tube, the first damping springs are respectively fixedly connected with the other side of the first limiting block, the first outer tube is fixedly connected with the other sides of the first damping springs and positioned around the first damping springs and the first limiting block, the mounting plate is fixedly connected with the first outer tube and positioned on one side far away from the first damping springs, the connecting rod is fixedly connected with the other side of the mounting plate, the mounting frame is rotatably connected with the other side of the connecting rod, the second inner tube is rotatably connected with the connecting rod and positioned on the outer side wall of the connecting rod, the second stopper with the opposite side fixed connection of second inner tube, second damping spring with the opposite side fixed connection of second stopper, the second urceolus with the opposite side fixed connection of second damping spring, just the second urceolus is located second damping spring with around the second stopper, the mounting bracket has the spout, one side of slider with the outer section of thick bamboo fixed connection of second to be located and keep away from one side of second damping spring, the opposite side of slider with mounting bracket sliding connection, and be located on the spout.
2. The intelligent combustion flame detection device as claimed in claim 1, further comprising two fixing pins, wherein the two fixing pins are detachably connected to the mounting frame respectively and are located on the sliding groove.
3. The intelligent combustion flame detection device as claimed in claim 2, further comprising two pull ropes, wherein the two pull ropes are respectively and fixedly connected with the two fixing pins, and are located on one side away from the sliding block.
4. The intelligent combustion flame detection device as recited in claim 1, further comprising an optical filter, one side of said optical filter being electrically connected to said detection probe and located inside said housing, the other side of said optical filter being electrically connected to said flame amplifier.
5. The intelligent combustion flame detection device as claimed in claim 1, wherein the heat dissipation assembly comprises a fixing frame, a motor and fan blades, the fixing frame is fixedly connected with the housing and located at the heat dissipation opening, the motor is fixedly connected with the fixing frame and located inside the housing, and the fan blades are fixedly connected with the output end of the motor.
6. The intelligent combustion flame detection device of claim 1, wherein the heat dissipation assembly further comprises a protective cover fixedly attached to the housing and positioned at the heat dissipation opening.
7. The intelligent combustion flame detection device as recited in claim 1, further comprising a dust collection box removably connected to said housing and located adjacent to a side of said cleaning assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110550208.0A CN113251442A (en) | 2021-05-20 | 2021-05-20 | Intelligent combustion flame detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110550208.0A CN113251442A (en) | 2021-05-20 | 2021-05-20 | Intelligent combustion flame detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113251442A true CN113251442A (en) | 2021-08-13 |
Family
ID=77182934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110550208.0A Withdrawn CN113251442A (en) | 2021-05-20 | 2021-05-20 | Intelligent combustion flame detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113251442A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115046220A (en) * | 2022-05-06 | 2022-09-13 | 河北邯峰发电有限责任公司 | Full-automatic flame television decoking device |
-
2021
- 2021-05-20 CN CN202110550208.0A patent/CN113251442A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115046220A (en) * | 2022-05-06 | 2022-09-13 | 河北邯峰发电有限责任公司 | Full-automatic flame television decoking device |
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Application publication date: 20210813 |
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