CN114034038B - Underwater torch carried by robot - Google Patents
Underwater torch carried by robot Download PDFInfo
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- CN114034038B CN114034038B CN202111161786.1A CN202111161786A CN114034038B CN 114034038 B CN114034038 B CN 114034038B CN 202111161786 A CN202111161786 A CN 202111161786A CN 114034038 B CN114034038 B CN 114034038B
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- oxygen
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- gas
- communicated
- premixed
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/26—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid with provision for a retention flame
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/28—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid in association with a gaseous fuel source, e.g. acetylene generator, or a container for liquefied gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/38—Torches, e.g. for brazing or heating
- F23D14/44—Torches, e.g. for brazing or heating for use under water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/60—Devices for simultaneous control of gas and combustion air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
- F23D14/64—Mixing devices; Mixing tubes with injectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/70—Baffles or like flow-disturbing devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/14—Special features of gas burners
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/21—Burners specially adapted for a particular use
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The application provides an underwater torch carried by a robot, which comprises a torch shell arranged on the robot; an oxygen splitter, a flow regulating distributor, a premixing strengthening device and a burner which are arranged in the torch shell; the oxygen splitter is used for splitting the oxygen introduced into the oxygen splitter into protection oxygen and combustion-supporting oxygen, the flow regulating distributor is communicated with the oxygen splitter, the premixing strengthening device is connected with the flow regulating distributor, the burner is communicated with the premixing strengthening device, the oxygen splitter and the flow regulating distributor, so that premixed gas is introduced into the burner for combustion, the strengthening oxygen is introduced into the burner for strengthening flame for combustion-supporting, and the protection oxygen is introduced into the burner for discharging water in the burner. The torch is carried by the robot to move underwater for transmission, and in the transmission process, oxygen is introduced into the torch burner to discharge water in the torch burner, so that the torch is favorable for combustion in an anoxic environment.
Description
Technical Field
The application relates to the technical field of mechanical devices and transportation, in particular to an underwater torch carried by a robot.
Background
In the torch delivery activities of the calendar olympic games and other large events, solid fuel torches are used for the only few underwater torch deliveries. The solid fuel torch combustion products are not environment-friendly; when burning in the atmosphere, the flame has high rigidity, no drift, large smoke yield and poor visual effect; underwater combustion can contaminate the water; the solid torch is limited by the solid medicine volume, the working time is limited, the combustion process is uncontrolled, and the extinguishing time of the torch cannot be interfered.
Meanwhile, in the transfer process of the underwater torch, the torch is in an anoxic environment, so that flame combustion in the torch is unstable, the effect is influenced, and in winter, fuel output is unstable easily because a fuel tank is directly arranged in cold water, so that the combustion stability of the torch is influenced.
Disclosure of Invention
The present application aims to solve, at least to some extent, one of the technical problems in the related art.
Therefore, the purpose of this application provides the underwater torch that a robot carried, this torch carries and removes under water through the robot and conveys to through letting in oxygen among the torch combustor at the transmission in-process, and then be favorable to the burning of anoxic environment, set up the combustion jar in assisting hot jar simultaneously, realize the heating of heat conduction liquid to the fuel in the combustion jar through heating the heat conduction liquid in assisting hot jar, and then the fuel can stabilize the output under the content condition, ensured the stability that the torch burns.
In order to achieve the above object, the present application provides an underwater torch carried by a robot, comprising: a robot;
the auxiliary heat integrated fuel gas cylinder, the oxygen gas cylinder and the torch shell are arranged on the robot;
an oxygen splitter, a flow regulating distributor, a premixing strengthening device and a burner which are arranged in the torch shell;
the oxygen splitter is communicated with the oxygen cylinder and is used for splitting the oxygen introduced into the oxygen splitter into protective oxygen and combustion-supporting oxygen;
the flow regulating distributor is communicated with the oxygen splitter and the auxiliary heat integrated fuel gas cylinder so that the combustion-supporting oxygen is split into premixed oxygen and intensified oxygen through the flow regulating distributor, and the fuel gas in the auxiliary heat integrated fuel gas cylinder controls the flow through the flow regulating distributor;
the premixing strengthening device is connected with the flow regulating distributor so that the premixed oxygen and the fuel gas with the controlled flow are led into the premixing strengthening device to be premixed to obtain premixed gas;
the burner is communicated with the premixing strengthening device, the oxygen splitter and the flow regulating distributor, so that the premixed gas is introduced into the burner for combustion, the strengthening oxygen is introduced into the burner for strengthening flame of combustion which is burning, and the protecting oxygen is introduced into the burner for discharging water in the burner.
Further, the burner includes: the central oxygen inlet pipe is communicated with the flow regulating distributor so that the intensified oxygen is introduced into the central oxygen inlet pipe; the air inlet protection outer tube is sleeved outside the central oxygen inlet tube, a mixed gas channel is formed between the central oxygen inlet tube and the air inlet protection outer tube, and the mixed gas channel is communicated with the premixing strengthening device so that the premixed gas is introduced into the mixed gas channel; the cover is established the outside combustion chamber of air inlet protection outer tube, the combustion chamber lateral wall below is provided with the shielding gas intake pipe, the shielding gas intake pipe with the oxygen shunt is linked together, so that the shielding oxygen passes through the shielding gas intake pipe lets in the combustion chamber, in order to discharge the water in the combustion chamber.
The burner also comprises a plurality of turbulence-resistant flame sheets;
the turbulence-resistant flame sheets are fixedly connected between the top end of the central oxygen inlet pipe and the top end of the air inlet protecting outer pipe, and are positioned above the air outlet of the mixed gas channel;
and gaps are arranged between two adjacent turbulence-resistant flame sheets and are used for discharging mixed gas of fuel and oxygen in the mixed gas channel.
Further, the premixing reinforcement device comprises a jet mixing nozzle;
one end surface of the jet mixing nozzle is provided with a mixing jet channel, the other end surface of the jet mixing nozzle is provided with a premixed oxygen nozzle channel communicated with the mixing jet channel, the premixed oxygen nozzle channel is communicated with the flow regulating distributor so that the premixed oxygen is sprayed into the mixing jet channel through the premixed oxygen nozzle channel, and the mixing jet channel is communicated with the combustor;
the side wall of the jet mixing nozzle is provided with a fuel spray hole communicated with the mixed jet channel, and the fuel spray hole is communicated with the flow regulating distributor so that the fuel gas with the controlled flow is sprayed into the mixed jet channel through the fuel spray hole.
Further, the premixing strengthening device further comprises a fixing piece, wherein a premixing gas channel communicated with the mixing jet channel is formed in the fixing piece, so that the mixed gas is led into the premixing gas channel for secondary mixing, and the premixing gas is obtained;
the premixed gas channel is communicated with the mixed gas channel so that the premixed gas is led into the mixed gas channel;
The fixing piece is provided with a mounting groove, a fixing ring is arranged in the middle of the outer surface of the side wall of the jet mixing nozzle, and the fixing ring is in sealing connection with the side wall of the mounting groove;
the side wall of the jet mixing nozzle positioned at one end of the mixed jet channel, the side wall of the mounting groove and the fixing ring enclose a gas interlayer channel, and the fuel spray hole is communicated with the gas interlayer channel;
the fixing piece is provided with a fuel air inlet channel communicated with the fuel gas interlayer channel, and the fuel air inlet channel is communicated with the flow regulating distributor so that the fuel gas with the controlled flow is led into the fuel gas interlayer channel through the fuel air inlet channel.
Further, the premixed oxygen nozzle passage includes:
the oxygen inlet channel is of a conical channel structure; and (3) with
The oxygen flow limiting channel is connected with the narrow-mouth end of the conical channel structure at one end, and is communicated with the oxygen inlet channel through the narrow-mouth end, and is communicated with the mixed jet channel at the other end;
the inner diameter of the oxygen flow limiting channel is smaller than that of the mixed jet channel.
Further, the flow regulating distributor is provided with an oxygen conveying main channel, and a premixed oxygen conveying channel and a reinforced oxygen conveying channel which are communicated with the oxygen conveying main channel;
the oxygen delivery main channel is communicated with the oxygen splitter so as to split combustion-supporting oxygen introduced into the oxygen delivery main channel into premixed oxygen passing through the premixed oxygen delivery channel and intensified oxygen passing through the intensified oxygen delivery channel;
the premixed oxygen conveying channel is communicated with the premixed oxygen nozzle channel and is used for introducing the premixed oxygen into the premixed oxygen nozzle channel;
the flow regulating distributor is provided with a fuel gas flow regulating needle valve, and the flow regulating distributor is provided with a fuel gas conveying channel so as to control the flow of the fuel gas passing through the fuel gas conveying channel by using the fuel gas flow regulating needle valve;
the fuel gas delivery passage communicates with the fuel intake passage.
Further, an oxygen main air inlet pipeline, a protection oxygen conveying channel and a combustion oxygen supply channel are formed in the oxygen splitter, wherein the protection oxygen conveying channel and the combustion oxygen supply channel are communicated with the oxygen main air inlet pipeline, so that oxygen passing through the oxygen main air inlet pipeline is split into protection oxygen passing through the protection oxygen conveying channel and combustion-supporting oxygen passing through the combustion oxygen supply channel;
The combustion oxygen supply channel is communicated with the oxygen conveying main channel so that the combustion-supporting oxygen is introduced into the oxygen conveying main channel;
the oxygen diverter is provided with a protective oxygen flow regulating needle valve for controlling the flow of oxygen introduced into the protective oxygen conveying channel.
Further, the method further comprises the following steps: a protective oxygen delivery pipe, which is communicated with the protective oxygen delivery channel; the annular communicating pipe is communicated with the protecting oxygen conveying pipe, one end of the protecting gas inlet pipe is communicated with the annular communicating pipe, and the annular communicating pipe is sleeved outside the burner.
Further, the device also comprises an oxygen gas cylinder and an auxiliary heat integrated fuel gas cylinder which are arranged on the robot;
the oxygen splitter is connected with the oxygen cylinder through a first conveying pipe, an oxygen pressure reducing valve and an oxygen electromagnetic valve are arranged on the first conveying pipe, and the oxygen electromagnetic valve is used for controlling the opening and closing of oxygen passing through the first conveying pipe;
the auxiliary heat integrated fuel gas cylinder is connected with the flow regulating distributor through the second conveying pipe, a fuel gas pressure reducing valve and a fuel gas electromagnetic valve are arranged on the second conveying pipe, and the fuel gas electromagnetic valve is used for controlling the opening and closing of fuel gas passing through the second conveying pipe.
Additional aspects and advantages of the application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic view of a structure of an underwater torch carried by a robot according to an embodiment of the present application;
FIG. 2 is a partial schematic view of FIG. 1 of the present application;
FIG. 3 is a cross-sectional view of FIG. 1 of the present application;
FIG. 4 is a partial cross-sectional view of FIG. 1 of the present application;
FIG. 5 is a partial schematic view of a burner;
FIG. 6 is a partial schematic view of the structure of FIG. 3 of the present application;
FIG. 7 is a partial schematic view of the structure of FIG. 3 of the present application;
FIG. 8 is a partial schematic view of the structure of FIG. 3 of the present application;
fig. 9 is a schematic diagram of the auxiliary heat integrated fuel gas cylinder structure of the present application.
In the figure, 1, an auxiliary heat integrated fuel gas cylinder; 11. a gas pressure reducing valve; 12. a gas solenoid valve; 13. a fuel tank; 14. an auxiliary heating tank; 15. a heating element; 16. a temperature controller; 2. an oxygen cylinder; 21. an oxygen pressure reducing valve; 22. an oxygen solenoid valve; 3. a torch housing; 4. an oxygen diverter; 41. an oxygen main intake duct; 42. protecting the oxygen delivery channel; 421. a first oxygen delivery channel; 422. a second oxygen delivery channel; 43. a combustion oxygen supply channel; 44. protecting an oxygen flow regulating needle valve; 5. a flow rate adjustment dispenser; 51. an oxygen delivery main channel; 511. a first channel; 512. a second channel; 52. a premixed oxygen delivery passage; 521. a third channel; 522. a fourth channel; 53. strengthening the oxygen delivery channel; 54. a primary flow regulating needle valve; 55. a secondary flow regulating needle valve; 56. gas flow regulating needle valve; 57. a fuel gas delivery passage; 571. a first fuel passage; 572. a second fuel passage; 6. a premixing strengthening device; 61. a jet blending nozzle; 611. a fixing ring; 62. a mixed jet channel; 63. a premix oxygen nozzle passage; 631. an oxygen intake passage; 632. an oxygen flow restricting passage; 64. a fuel injection hole; 65. a fixing member; 66. a premix gas passage; 67. a gas sandwich channel; 68. a fuel intake passage; 7. a burner; 71. a central oxygen inlet pipe; 72. an intake air protecting outer tube; 73. a mixed gas passage; 74. a combustion chamber; 75. a shielding gas inlet pipe; 76. turbulence stabilized flame sheets; 8. protecting the oxygen delivery tube; 9. an annular communicating pipe.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application. On the contrary, the embodiments of the present application include all alternatives, modifications, and equivalents as may be included within the spirit and scope of the appended claims.
Fig. 1-9 are schematic structural views of an underwater torch carried by a robot according to an embodiment of the present application.
Referring to fig. 1, an underwater torch carried by a robot includes a robot, an auxiliary heat integrated fuel gas cylinder 1 provided on the robot, an oxygen gas cylinder 2, and a torch housing 3; the robot is a device in the prior art, can move underwater, and the specific structure thereof is not described in detail here, and the auxiliary heat integrated fuel gas cylinder 1, the oxygen gas cylinder 2 and the torch shell 3 are carried by the robot to move in water.
An oxygen splitter 4, a flow regulating distributor 5, a premixing strengthening device 6 and a burner 7 which are arranged in the torch shell 3;
The oxygen splitter 4 is communicated with the oxygen cylinder 2 and is used for splitting the oxygen introduced into the oxygen splitter 4 into protective oxygen and combustion-supporting oxygen;
the flow regulating distributor 5 is communicated with the oxygen splitter 4 so that combustion-supporting oxygen is split into premixed oxygen and intensified oxygen through the flow regulating distributor 5, and meanwhile, the flow regulating distributor 5 is communicated with the auxiliary heat integrated fuel gas cylinder 1 so that fuel gas in the auxiliary heat integrated fuel gas cylinder 1 controls the flow of the fuel gas through the flow regulating distributor 5;
from this, the oxygen in the oxygen cylinder 2 is divided into two oxygen flows of the protective oxygen and the combustion-supporting oxygen by the oxygen splitter 4, wherein one oxygen flow of the combustion-supporting oxygen is split into two oxygen flows of the premixed oxygen and the intensified oxygen by the flow-regulating distributor 5, so that the oxygen in the oxygen cylinder 2 is divided into three oxygen flows of the protective oxygen, the premixed oxygen and the intensified oxygen by the split action of the oxygen splitter 4 and the flow-regulating distributor 5;
the premixing and strengthening device 6 is connected with the flow regulating distributor 5 so that the premixed oxygen and the fuel gas with the controlled flow are introduced into the premixing and strengthening device 6 for premixing to obtain premixed gas;
the combustor 7 is communicated with the premixing strengthening device 6, so that premixed gas mixed by the premixing strengthening device 6 is introduced into the combustor 7 for combustion, meanwhile, the combustor 7 is communicated with the flow regulating distributor 5, strengthening oxygen obtained after being distributed by the flow regulating distributor 5 is introduced into the combustor 7 for strengthening flame of combustion in combustion, so that flame combustion is more stable, meanwhile, the combustor 7 is communicated with the oxygen splitter 4, and protecting oxygen obtained through the distribution of the oxygen splitter 4 is introduced into the combustor 7 for discharging water in the combustor 7.
In summary, the auxiliary heat integrated fuel gas cylinder 1, the oxygen gas cylinder 2 and the torch shell 3 are integrated on the robot, so that the robot moves in the underwater moving process, and simultaneously, the auxiliary heat integrated fuel gas cylinder 1 and the oxygen gas cylinder 2 supply gas, and meanwhile, the oxygen in the oxygen gas cylinder 2 is divided into three oxygen of protecting oxygen, premixing oxygen and strengthening oxygen through the split flow action of the oxygen splitter 4 and the flow regulating distributor 5, wherein the protecting oxygen is introduced into the combustor 7, water entering the combustor 7 in the underwater moving process can be discharged, an oxygen-enriched environment is formed in the combustor 7, the premixing gas cannot be extinguished due to the action of the water when the premixed oxygen and the fuel gas are combusted in the combustor 7, and the premixed oxygen and the fuel gas are introduced into the combustor 7 for combustion after being premixed in advance, so that the premixed oxygen and the fuel gas can be ensured to be uniformly supplied, the combustion flame in the combustion process is more stable, and simultaneously, the combustion of the flame of the premixed gas which is being combusted in the combustor 7 can be strengthened through the forced oxygen gas cylinder by introducing the strengthening oxygen, the flame of the oxygen is protected, and the premixed oxygen and the strengthening oxygen are supplied to the same system 2.
In one embodiment of the present application, the burner 7 includes a central oxygen intake pipe 71, an intake protecting outer pipe 72 sleeved outside the central oxygen intake pipe 71, and a combustion chamber 74 sleeved outside the intake protecting outer pipe 72, the central oxygen intake pipe 71 is communicated with the flow regulating distributor 5 so as to enable intensified oxygen to be introduced into the central oxygen intake pipe 71, a mixed gas channel 73 is formed between the central oxygen intake pipe 71 and the intake protecting outer pipe 72, and the mixed gas channel 73 is communicated with the premixing enhancing device 6 so as to enable premixed gas to be introduced into the mixed gas channel 73; a shielding gas inlet pipe 75 is arranged below the side wall of the combustion chamber 74, and the shielding gas inlet pipe 75 is communicated with the oxygen splitter 4 so that shielding oxygen is led into the combustion chamber 74 through the shielding gas inlet pipe 75 to drain water in the combustion chamber 74.
Specifically, the air inlet protecting outer tube 72 is used for introducing oxygen into the combustion chamber 74, so that the water in the combustion chamber 74 can be discharged, and further an oxygen-enriched cavity environment is formed in the combustion chamber 74, the combustion is convenient, a core flame nozzle is formed between the central oxygen inlet tube 71 and the air inlet protecting outer tube 72 sleeved outside the central oxygen inlet tube 71, when the combustion chamber 74 is sleeved outside the air inlet protecting outer tube 72, the head of the core flame nozzle is positioned in the combustion chamber 74, the air outlets of the central oxygen inlet tube 71 and the mixed gas channel 73 are positioned in the combustion chamber 74, the premixed gas is combusted in the combustion chamber 74 when being ignited at the air outlet of the mixed gas channel 73, the oxygen-enriched cavity environment is formed in the combustion chamber 74, the stable combustion of the premixed gas is convenient, because the mixed gas channel 73 surrounds the periphery of the central oxygen inlet tube 71, therefore, the premixed gas sprayed from the mixed gas channel 73 burns on the peripheral side of the central oxygen inlet pipe 71, and meanwhile, in the burning process, the intensified oxygen sprayed from the central oxygen inlet pipe 71 is positioned at the center of the core flame of the premixed gas combustion, so as to support and intensify the combustion and stability of the core flame, under the action of the secondary intensified combustion of the oxygen introduced by the air inlet protecting outer pipe 72 to the core flame, the intensity of the core flame can be effectively intensified, the burning and heat release process of the core flame in the combustion chamber 74 is quicker and more sufficient, meanwhile, the high-efficiency heat release can improve the cavity pressure of the combustion chamber 74, the water discharging capability is further improved, the stability of the gas cavity of the combustion chamber 74 is intensified, so that the high-temperature and high-pressure premixed gas burnt at the head of the nozzle structure of the core flame can still maintain a certain distance of effective jet flow at the outlet of the combustion chamber 74, the visibility of flame is ensured; meanwhile, the high-temperature premixed gas capable of efficiently releasing heat effectively counteracts heat loss in water environment and maintains flame stability.
In one embodiment of the present application, the shielding gas inlet pipe 75 is provided with two or more, the two or more shielding gas inlet pipes 75 are equiangularly disposed on the circumference side of the side wall of the combustion chamber 74, and the combustion chamber 74 is of a cylindrical structure, and the inlet direction of the shielding gas inlet pipe 75 is tangential to the side wall of the combustion chamber 74, so that the oxygen entering the combustion chamber 74 through the shielding gas inlet pipe 75 forms a pneumatic swirl in the combustion chamber 74.
Specifically, two or more than two protection gas inlet pipes 75 which are equiangularly arranged on the side wall of the combustion chamber 74 are tangentially arranged with the cylindrical combustion chamber 74, so that after the protection oxygen is flushed into the combustion chamber 74 through the protection gas inlet pipes 75, a plurality of strands of protection oxygen collide with the combustion chamber 74 to form pneumatic rotational flow in the combustion chamber 74, and then water in the combustion chamber 74 is effectively discharged, so that an oxygen-enriched cavity environment is formed in the combustion chamber 74.
In addition, the supply pressure of the protective oxygen in the protective gas inlet pipe 75 is greater than the water pressure when the burner 7 is in an operating state, so that a cavity environment adapting to combustion is formed in the combustion chamber 74, when the pressure of the protective oxygen is greater than the pressure of water in the combustion chamber 74, water in the combustion chamber 74 can be quickly discharged, the supply pressure of the premixed gas which is introduced into the combustion chamber 74 through the premixing strengthening device 6 is greater than the water pressure when the burner 7 is in an operating state, and then the jetting and flame jet effect can be ensured.
In one embodiment of the present application, the air outlet of the mixed gas channel 73 and the air outlet of the central oxygen inlet pipe 71 are both located above the air outlet of the shielding gas inlet pipe 75 in the combustion chamber 74, so that the shielding oxygen sprayed from the shielding gas inlet pipe 75 can be prevented from directly impacting on flame being burned at the air outlet of the mixed gas channel 73, and unstable flame is caused.
In one embodiment of the present application, the combustor 7 further includes a plurality of turbulence-reducing flame plates 76, and the plurality of turbulence-reducing flame plates 76 are fixedly connected between the top end of the central oxygen inlet pipe 71 and the top end of the air inlet protecting outer pipe 72, and the turbulence-reducing flame plates 76 are located above the air outlet of the mixed gas channel 73; a gap is provided between two adjacent turbulence-damping flame plates 76 for the exit of the mixed gas of fuel and oxygen in the mixed gas channel 73. That is, since the premixed gas is directly introduced into the combustion chamber 74 through the premixed enhancing apparatus 6 and is ignited at the gas outlet for combustion, by providing a plurality of turbulent flow flame plates 76, the premixed gas jet in the mixed gas channel 73 is partially blocked by the plurality of turbulent flow flame plates 76 to create a low-speed flame stabilizing effect, and the stability and the heat release rate of the core flame are improved, so that when the premixed gas passes through the turbulent flow flame plates 76 at the gas outlet of the mixed gas channel 73 at a high speed, a plurality of small low-speed flame backflow flame stabilizing areas are formed at the leeward side of the premixed gas, and after ignition, the premixed gas is stabilized at the head of the core flame nozzle for combustion.
In one embodiment of the present application, the premixing and reinforcing device 6 includes a jet mixing nozzle 61, one end surface of the jet mixing nozzle 61 is provided with a mixing jet channel 62, the other end surface is provided with a premixing oxygen nozzle channel 63 communicated with the mixing jet channel 62, the premixing oxygen nozzle channel 63 is communicated with the flow adjusting distributor 5, so that the premixing oxygen is injected into the mixing jet channel 62 through the premixing oxygen nozzle channel 63, and the mixing jet channel 62 is communicated with the burner 7; the side wall of the jet mixing nozzle 61 is provided with a fuel spray hole 64 communicated with the mixed jet channel 62, and the fuel spray hole 64 is communicated with the flow regulating distributor 5 so that the fuel gas with the controlled flow rate is sprayed into the mixed jet channel 62 through the fuel spray hole 64.
It should be noted in detail that, the end of the jet mixing nozzle 61 is provided with the mixing jet channel 62 and the premixed oxygen nozzle channel 63, so that the premixed oxygen is directly sprayed into the mixing jet channel 62 along the axial direction of the jet mixing nozzle 61 through the premixed oxygen nozzle channel 63, meanwhile, the side wall of the jet mixing nozzle 61 is provided with the fuel spray hole 64, so that the fuel gas is sprayed into the mixing jet channel 62 through the fuel spray hole 64 on the side wall, and then the spraying direction of the fuel gas and the spraying direction of the premixed gas have a certain included angle, so that the fuel gas and the premixed gas collide in the mixing jet channel 62, the fuel gas and the oxygen are dispersed in the mixing jet channel 62 after being impacted, the dispersed fuel gas and the premixed oxygen are mixed more uniformly, and the fuel gas and the oxygen are mixed for the first time in the mixing jet channel 62.
In addition, two or more fuel injection holes 64 are provided, and two or more fuel injection holes 64 are equiangularly provided on the side wall peripheral side of the jet mixing nozzle 61; and then the fuel evenly enters the mixed jet flow channel 62 through the fuel jet holes 64, and because the fuel jet holes 64 are arranged at equal angles, the fuel gas is evenly sprayed into the mixed jet flow channel 62, and when the fuel gas and the premixed oxygen are introduced into the mixed jet flow channel 62, the fuel gas is evenly sprayed on the circumferential side of the premixed oxygen and then collides with the premixed oxygen, and the fuel gas is split through the fuel jet holes 64 in advance, so that the fuel gas and the premixed oxygen are more evenly dispersed when colliding and dispersing.
In one embodiment of the present application, the premixing and reinforcing device 6 further includes a fixing member 65, where a premixed gas channel 66 that is communicated with the mixing jet channel 62 is formed on the fixing member 65, so that the mixed gas is led into the premixed gas channel 66 to be secondarily mixed, and a premixed gas is obtained; the premix gas passage 66 communicates with the premix gas passage 73 such that the premix gas is introduced into the premix gas passage 73 while the inner diameter of the mixing jet passage 62 is smaller than the inner diameter of the premix gas passage 66. That is, after the oxygen and the fuel gas are mixed once in the mixing jet channel 62 and then introduced into the premixed gas channel 66, the primary mixed gas introduced into the premixed gas channel 66 can be rapidly dispersed due to the large inner diameter of the premixed gas channel 66, so that the contact between the primary mixed gas and the premixed gas channel 66 is increased, the dispersibility is improved, the primary mixed gas is further mixed secondarily in the premixed gas channel 66, and the mixing is more uniform.
In one embodiment of the present application, the premixed oxygen nozzle passage 63 includes an oxygen inlet passage 631 and an oxygen restrictor passage 632, the oxygen inlet passage 631 being a tapered passage structure; one end of the oxygen flow limiting channel 632 is connected with the narrow mouth end of the conical channel structure, the oxygen flow limiting channel 632 is communicated with the oxygen inlet channel 631 through the narrow mouth end, and the other end is communicated with the mixed jet channel 62; the inner diameter of the oxygen-restricting channel 632 is smaller than the inner diameter of the mixed jet channel 62. By arranging the premixed oxygen nozzle channel 63 as the oxygen inlet channel 631 and the oxygen flow limiting channel 632, the flow of the premixed oxygen entering the mixed jet channel can be controlled after the flow limiting in order to limit the flow of the premixed oxygen entering the mixed jet channel 62, so that the premixed oxygen and the fuel gas are more uniformly mixed, and meanwhile, the inner diameter of the mixed jet channel 62 is larger than the inner diameter of the oxygen flow limiting channel 632, so that the introduced oxygen and the fuel gas enter the mixed jet channel 62 with larger volume, the oxygen and the fuel gas are dispersed and contacted in space, and the mixing of the oxygen and the fuel gas is more uniform when the oxygen and the fuel gas are mixed for the first time. However, since the oxygen flow-restricting channel 632 has a smaller inner diameter, the oxygen is not easily introduced into the oxygen flow-restricting channel 632 through the oxygen inlet channel 631 by providing the oxygen inlet channel 631 with a tapered channel structure.
In one embodiment of the present application, the fixing member 65 is provided with a mounting groove, the middle part of the outer surface of the side wall of the jet mixing nozzle 61 is provided with a fixing ring 611, and the fixing ring 611 is in sealing connection with the side wall of the mounting groove; a fuel gas interlayer channel 67 is enclosed between the side wall of the jet mixing nozzle 61 and the side wall of the mounting groove and the fixing ring 611 at one end of the mixing jet channel 62, and the fuel spray hole 64 is communicated with the fuel gas interlayer channel 67; the fixing member 65 is provided with a fuel inlet channel 68 which is communicated with the fuel interlayer channel 67, the fuel inlet channel 68 is communicated with the flow regulating distributor 5, so that the fuel gas with controlled flow is introduced into the fuel interlayer channel 67 through the fuel inlet channel 68, in detail, after the fuel gas is introduced into the fuel interlayer channel 67, the fuel gas is uniformly dispersed in the annular interlayer due to the annular interlayer structure of the fuel interlayer channel 67 around the periphery of the jet mixing nozzle 61, and the fuel gas in the annular interlayer is sprayed into the mixed jet channel 62 through the fuel spray holes 64 on the periphery of the side wall of the jet mixing nozzle 61, and the flow of the fuel gas passing through each fuel spray hole 64 is uniform, so that the fuel gas is more uniform after entering the mixed jet channel 62.
In one embodiment of the present application, the flow regulating distributor 5 is provided with an oxygen delivery main channel 51, and a premixed oxygen delivery channel 52 and a reinforced oxygen delivery channel 53 which are communicated with the oxygen delivery main channel 51; the oxygen delivery main passage 51 communicates with the oxygen splitter 4 so that the combustion-supporting oxygen introduced into the oxygen delivery main passage 51 is split into premixed oxygen passing through the premixed oxygen delivery passage 52 and enriched oxygen passing through the enriched oxygen delivery passage 53; by providing the flow rate adjustment distributor 5 with the two branch passages, the premixed oxygen delivery passage 52 and the enhanced oxygen delivery passage 53, the oxygen introduced into the oxygen splitter 4 can be further divided into two flows of enhanced oxygen and premixed oxygen, and the premixed oxygen delivery passage 52 communicates with the premixed oxygen nozzle passage 63 for introducing the premixed oxygen into the premixed oxygen nozzle passage 63 and mixing with the fuel gas in the premixed oxygen nozzle passage 63.
In addition, the device further comprises a primary flow regulating needle valve 54 arranged on the flow regulating distributor 5, wherein the primary flow regulating needle valve 54 is used for controlling the flow of oxygen passing through the oxygen conveying main channel 51, and when the oxygen is introduced into the flow regulating distributor 5 for diversion, the flow of oxygen before diversion can be regulated by controlling the primary flow regulating needle valve 54, and after the flow of oxygen after diversion is regulated, the regulation and control of the flow of oxygen after diversion can be further realized. In addition, a secondary flow rate adjustment needle valve 55 is provided on the flow rate adjustment distributor 5, and the secondary flow rate adjustment needle valve 55 is used for controlling the flow rate of oxygen flowing into the premixed oxygen delivery passage 52.
It should be noted that, the primary flow rate adjusting needle valve 54 and the secondary flow rate adjusting needle valve 55 are devices in the prior art, and are not described in detail herein, in addition, the oxygen delivery main channel 51 may include a first channel 511 and a second channel 512 formed on the flow rate adjusting distributor 5, while the premixed oxygen delivery channel 52 may include a third channel 521 and a fourth channel 522, the third channel 521 is connected to the second channel 512, the primary flow rate adjusting needle valve 54 and the secondary flow rate adjusting needle valve 55 are both installed on the flow rate adjusting distributor 5, and the needle valve of the primary flow rate adjusting needle valve 54 is inserted into the first channel 511 after passing through the second channel 512, so as to realize the flow rate of oxygen passing from the first channel 511 into the second channel 512 by the position of the needle valve inserted into the first channel 511, and here the position adjustment of the needle valve 511 realizes the flow rate adjustment of oxygen passing through the first channel 511, and in addition, the needle valve 55 is inserted into the first channel 521 from one end of the third channel 521, and the needle valve seat 52 is connected to the premixed oxygen valve seat 5 by adjusting the needle valve plug 55, so as to prevent the air leakage.
In this embodiment, the adjusting action of the primary flow adjusting needle valve 54 adjusts the flow of oxygen passing through the oxygen conveying main channel 51, so that the flow of oxygen entering the premixed oxygen conveying channel 52 and the intensified oxygen conveying channel 53 is adjusted, the action of the secondary flow adjusting needle valve 55 can adjust the flow of premixed oxygen flowing into the premixed oxygen conveying channel 52, and then the combined action of the primary flow adjusting needle valve 54 and the secondary flow adjusting needle valve 55 can adjust the flow of the premixed oxygen flowing into the premixed oxygen conveying channel 52, and meanwhile, due to the flow limiting adjusting action of the oxygen flow limiting channel 632, further flow limiting of the premixed oxygen can be achieved, that is, if the flow of the premixed oxygen flowing into the mixed jet channel 62 is larger after the flow is divided, the flow of the premixed oxygen flowing into the mixed jet channel 62 is directly adjusted through the mixed jet channel 62 when the flow of the premixed oxygen flowing into the premixed oxygen is smaller after the flow is divided, and then the flow of the premixed oxygen flowing into the mixed jet channel 62 can be adjusted through the combined action of the secondary flow adjusting needle valve 55 and the oxygen flow limiting channel 632, so that the premixed oxygen and the fuel gas can be fully mixed.
In one embodiment of the present application, a gas flow rate adjusting needle valve 56 may be further disposed on the flow rate adjusting dispenser 5, and a fuel gas delivery passage 57 is opened on the flow rate adjusting dispenser 5 to control the flow rate of the fuel gas passing through the fuel gas delivery passage 57 by using the gas flow rate adjusting needle valve 56, the fuel gas delivery passage 57 being in communication with the fuel gas intake passage 68; the flow rate of the fuel gas injected into the mixed jet passage 62 can be adjusted by the gas flow rate adjusting needle valve 56, thereby achieving sufficient mixing of the fuel gas and the premixed oxygen. The valve seats of the gas flow rate adjustment needle valve 56 are in sealing contact with the flow rate adjustment distributor 5, thereby preventing oxygen leakage.
In addition, it will be understood that the gas flow rate adjusting needle valve 56 has the same structure and principle as the primary flow rate adjusting needle valve 54, the fuel gas delivery channel 57 may include a first fuel channel 571 and a second fuel channel 572 which are in communication, while the gas flow rate adjusting needle valve 56 is mounted on the flow rate adjusting distributor 5, the needle valve plug of the gas flow rate adjusting needle valve 56 is inserted into the second fuel channel 572 from one end of the second fuel channel 572 after passing through the first fuel channel 571, and the position of the needle valve plug in the second fuel channel 572 is adjusted, so that the flow rate of the fuel gas passing through the fuel gas delivery channel 57 can be adjusted, in addition, as described in the above embodiment, two or more fuel injection holes 64 are provided on the jet mixing nozzle 61, and at this time, the flow rate adjustment of the fuel gas injected into the premixed oxygen nozzle channel 63 by the fuel injection holes 64 can be achieved by setting the aperture sizes of the fuel injection holes 64, so that the flow rate adjustment of the fuel gas can be achieved by the combined action of the gas flow rate adjusting needle valve 56 and the fuel injection holes 64.
In some embodiments, the oxygen splitter 4 is provided with an oxygen main air inlet pipeline 41 and a protection oxygen conveying channel 42 and a combustion oxygen supply channel 43 which are communicated with the oxygen main air inlet pipeline 41, so that the oxygen passing through the oxygen main air inlet pipeline 41 is split into protection oxygen passing through the protection oxygen conveying channel 42 and combustion-supporting oxygen passing through the combustion oxygen supply channel 43, and the protection oxygen conveying channel 42 is communicated with the oxygen cylinder 2; the oxygen flow divider 4 divides the oxygen flowing into the protective oxygen supply passage 42, and the combustion oxygen supply passage 43 communicates with the oxygen supply main passage 51 so that the combustion-supporting oxygen flows into the oxygen supply main passage 51.
In addition, it should be noted in detail that the oxygen diverter 4 may be provided with a protective oxygen flow regulating needle valve 44 for controlling the flow of oxygen into the protective oxygen delivery channel 42, specifically, the protective oxygen delivery channel 42 may include a first delivery oxygen channel 421 and a second delivery oxygen channel 422, the protective oxygen flow regulating needle valve 44 is mounted on the oxygen diverter 4, a needle-shaped valve plug of the protective oxygen flow regulating needle valve 44 is inserted into the first delivery oxygen channel 421 through one end of the first delivery oxygen channel 421 through the second delivery oxygen channel 422, and the regulation of the flow of protective oxygen diverted into the protective oxygen delivery channel 42 is achieved by adjusting the position of the needle-shaped valve plug in the first delivery oxygen channel 421, and the valve seat of the protective oxygen flow regulating needle valve 44 is in sealing contact with the oxygen diverter 4, so that oxygen leakage can be prevented.
In some embodiments, the underwater torch further comprises a protective oxygen delivery pipe 8 and an annular communicating pipe 9, the protective oxygen delivery pipe 8 is communicated with the protective oxygen delivery channel 42, the annular communicating pipe 9 is communicated with the protective oxygen delivery pipe 8, so that the protective oxygen distributed into the protective oxygen delivery channel 42 is delivered into the annular communicating pipe 9 through the protective oxygen delivery pipe 8, one end of a protective gas inlet pipe 75 is communicated with the annular communicating pipe 9, the protective oxygen introduced into the annular communicating pipe 9 is introduced into the combustion chamber 74 through two or more protective gas inlet pipes 75, the annular communicating pipe 9 is sleeved outside the burner 7, and further the protective oxygen is uniformly dispersed at the periphery of the burner 7, so that the flow rate of the protective oxygen introduced into the combustion chamber 74 through each protective gas inlet pipe 75 is consistent.
In some embodiments, the oxygen diverter 4 is connected to the oxygen cylinder 2 through a first conveying pipe, an oxygen pressure reducing valve 21 and an oxygen solenoid valve 22 are disposed on the first conveying pipe, the oxygen solenoid valve 22 is used for controlling the opening and closing of oxygen passing through the first conveying pipe, in addition, the oxygen solenoid valve 22 can be electrically connected with a robot, and further the opening and closing of the oxygen solenoid valve 22 are controlled by the robot, so that the on-off of oxygen is realized, for example, a controller can be disposed on the robot, and the opening and closing of the oxygen solenoid valve 22 are controlled by the controller.
In addition, the auxiliary heat integrated fuel gas cylinder 1 is connected with the flow regulating distributor 5 through a second conveying pipe, a fuel gas pressure reducing valve 11 and a fuel gas electromagnetic valve 12 are arranged on the second conveying pipe, the fuel gas electromagnetic valve 12 is used for controlling the opening and closing of fuel gas passing through the second conveying pipe, the fuel gas electromagnetic valve 12 is electrically connected with a controller arranged on the robot, the opening and closing of the fuel gas electromagnetic valve 12 is controlled through the controller, and the controller controls the oxygen electromagnetic valve 22 and the fuel gas electromagnetic valve 12 in the prior art.
In some embodiments, the auxiliary heat integrated fuel gas cylinder 1 includes a fuel tank 13, an auxiliary heat tank 14, a heating element 15, and a thermostat 16; the auxiliary heat tank 14 is sleeved outside the fuel tank 13 and is in sealing connection with the fuel tank 13, the auxiliary heat tank 14 is filled with heat conducting liquid, the fuel tank 13 is further immersed in the heat conducting liquid, and the heating element 15 is arranged on the auxiliary heat tank 14 and extends into the heat conducting liquid for heating the heat conducting liquid; the heated heat conducting liquid is in contact with the fuel tank 13 to heat the fuel in the fuel tank 13, stable output of the fuel in a low-temperature environment is maintained, the heat conducting liquid is an automobile antifreeze liquid acting heat conducting liquid at-45 ℃ and can maintain liquid phase heat conduction in an extremely cold environment, in addition, the temperature controller 16 is arranged on the auxiliary heat tank 14, the temperature controller 16 is electrically connected with the heating element 15, the temperature of the heat conducting liquid is detected through the temperature controller 16, then the starting and stopping of the heating element 15 are controlled according to the temperature of the heat conducting liquid, meanwhile, the temperature controller 16 and the heating element 15 are electrically connected with a power supply in the robot and are used for supplying power to the heating element 15 and the temperature controller 16, the heating element 15 is automatically turned off to supply power when the temperature of the heat conducting liquid reaches a set value in the use process, and potential safety hazards caused by overtemperature of the fuel tank 13 are avoided; when the temperature of the heat conducting liquid is reduced, the temperature controller 16 actively resumes the power supply of the heating element 15 without manual intervention.
It should be noted that in the description of the present application, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, in the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and further implementations are included within the scope of the preferred embodiment of the present application in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present application.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.
Claims (9)
1. An underwater torch carried by a robot, comprising:
a robot;
a torch housing disposed on the robot;
an oxygen splitter, a flow regulating distributor, a premixing strengthening device and a burner which are arranged in the torch shell;
the oxygen splitter is used for splitting the oxygen introduced into the oxygen splitter into protective oxygen and combustion-supporting oxygen;
the flow regulating distributor is communicated with the oxygen splitter so that the combustion-supporting oxygen is split into premixed oxygen and intensified oxygen through the flow regulating distributor, and the fuel gas controls the flow through the flow regulating distributor;
the premixing strengthening device is connected with the flow regulating distributor so that the premixed oxygen and the fuel gas with the controlled flow are led into the premixing strengthening device to be premixed to obtain premixed gas;
The burner is communicated with the premixing strengthening device so that the premixed gas is introduced into the burner for combustion, and the burner is communicated with the oxygen splitter so that the strengthening oxygen is introduced into the burner to strengthen flame for combustion;
the burner comprises a central oxygen inlet pipe, an air inlet protection outer pipe sleeved outside the central oxygen inlet pipe and a combustion chamber sleeved outside the air inlet protection outer pipe, wherein the central oxygen inlet pipe is communicated with the flow regulation distributor, so that intensified oxygen is introduced into the central oxygen inlet pipe, a mixed gas channel is formed between the central oxygen inlet pipe and the air inlet protection outer pipe, the mixed gas channel is communicated with the premixing strengthening device, premixed gas is introduced into the mixed gas channel, a protective gas inlet pipe is arranged below the side wall of the combustion chamber, the protective gas inlet pipe is communicated with the oxygen splitter, and the supply pressure of protective oxygen in the protective gas inlet pipe is larger than the water pressure of the burner in a working state, so that the protective oxygen is introduced into the combustion chamber through the protective gas inlet pipe, and water in the combustion chamber is discharged.
2. The robot-carried underwater torch of claim 1 wherein the burner further comprises a plurality of turbulent flame lobes;
the turbulence-resistant flame sheets are fixedly connected between the top end of the central oxygen inlet pipe and the top end of the air inlet protecting outer pipe, and are positioned above the air outlet of the mixed gas channel;
and gaps are arranged between two adjacent turbulence-resistant flame sheets and are used for discharging mixed gas of fuel and oxygen in the mixed gas channel.
3. A robotic-carried underwater torch as in claim 2 wherein said premix enhancing means comprises a jet blending nozzle;
one end surface of the jet mixing nozzle is provided with a mixing jet channel, the other end surface of the jet mixing nozzle is provided with a premixed oxygen nozzle channel communicated with the mixing jet channel, the premixed oxygen nozzle channel is communicated with the flow regulating distributor so that the premixed oxygen is sprayed into the mixing jet channel through the premixed oxygen nozzle channel, and the mixing jet channel is communicated with the combustor;
the side wall of the jet mixing nozzle is provided with a fuel spray hole communicated with the mixed jet channel, and the fuel spray hole is communicated with the flow regulating distributor so that the fuel gas with the controlled flow is sprayed into the mixed jet channel through the fuel spray hole.
4. The underwater torch carried by the robot as claimed in claim 3, wherein the premixing reinforcement device further comprises a fixing member, wherein a premixing gas channel communicated with the mixing jet channel is formed on the fixing member, so that the mixed gas is introduced into the premixing gas channel for secondary mixing to obtain the premixing gas;
the premixed gas channel is communicated with the mixed gas channel so that the premixed gas is led into the mixed gas channel;
the fixing piece is provided with a mounting groove, a fixing ring is arranged in the middle of the outer surface of the side wall of the jet mixing nozzle, and the fixing ring is in sealing connection with the side wall of the mounting groove;
the side wall of the jet mixing nozzle positioned at one end of the mixed jet channel, the side wall of the mounting groove and the fixing ring enclose a gas interlayer channel, and the fuel spray hole is communicated with the gas interlayer channel;
the fixing piece is provided with a fuel air inlet channel communicated with the fuel gas interlayer channel, and the fuel air inlet channel is communicated with the flow regulating distributor so that the fuel gas with the controlled flow is led into the fuel gas interlayer channel through the fuel air inlet channel.
5. A robotic-carried underwater torch as in claim 3 wherein said premixed oxygen nozzle passage comprises:
the oxygen inlet channel is of a conical channel structure; and (3) with
The oxygen flow limiting channel is connected with the narrow-mouth end of the conical channel structure at one end, and is communicated with the oxygen inlet channel through the narrow-mouth end, and is communicated with the mixed jet channel at the other end;
the inner diameter of the oxygen flow limiting channel is smaller than that of the mixed jet channel.
6. The underwater torch carried by a robot as in claim 4, wherein the flow regulating distributor is provided with an oxygen delivery main channel, and a premixed oxygen delivery channel and a reinforced oxygen delivery channel which are communicated with the oxygen delivery main channel;
the oxygen delivery main channel is communicated with the oxygen splitter so as to split combustion-supporting oxygen introduced into the oxygen delivery main channel into premixed oxygen passing through the premixed oxygen delivery channel and intensified oxygen passing through the intensified oxygen delivery channel;
the premixed oxygen conveying channel is communicated with the premixed oxygen nozzle channel and is used for introducing the premixed oxygen into the premixed oxygen nozzle channel;
The flow regulating distributor is provided with a fuel gas flow regulating needle valve, and the flow regulating distributor is provided with a fuel gas conveying channel so as to control the flow of the fuel gas passing through the fuel gas conveying channel by using the fuel gas flow regulating needle valve;
the fuel gas delivery passage communicates with the fuel intake passage.
7. The underwater torch carried by the robot as set forth in claim 6, wherein the oxygen diverter is provided with an oxygen main inlet pipe, a protective oxygen delivery channel and a combustion oxygen supply channel which are communicated with the oxygen main inlet pipe, so that the oxygen passing through the oxygen main inlet pipe is diverted into the protective oxygen passing through the protective oxygen delivery channel and the combustion oxygen passing through the combustion oxygen supply channel;
the combustion oxygen supply channel is communicated with the oxygen conveying main channel so that the combustion-supporting oxygen is introduced into the oxygen conveying main channel;
the oxygen diverter is provided with a protective oxygen flow regulating needle valve for controlling the flow of oxygen introduced into the protective oxygen conveying channel.
8. An underwater torch carried by a robot as recited in claim 7, further comprising:
A protective oxygen delivery pipe, which is communicated with the protective oxygen delivery channel; and (3) with
The annular communicating pipe is communicated with the protecting oxygen conveying pipe, one end of the protecting gas inlet pipe is communicated with the annular communicating pipe, and the annular communicating pipe is sleeved outside the burner.
9. The robotic portable underwater torch of claim 1 further comprising an oxygen cylinder and an auxiliary heat integrated fuel cylinder disposed on the robot;
the oxygen splitter is connected with the oxygen cylinder through a first conveying pipe, an oxygen pressure reducing valve and an oxygen electromagnetic valve are arranged on the first conveying pipe, and the oxygen electromagnetic valve is used for controlling the opening and closing of oxygen passing through the first conveying pipe;
the auxiliary heat integrated fuel gas cylinder is connected with the flow regulating distributor through a second conveying pipe, a fuel gas pressure reducing valve and a fuel gas electromagnetic valve are arranged on the second conveying pipe, and the fuel gas electromagnetic valve is used for controlling the opening and closing of fuel gas passing through the second conveying pipe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111161786.1A CN114034038B (en) | 2021-09-30 | 2021-09-30 | Underwater torch carried by robot |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111161786.1A CN114034038B (en) | 2021-09-30 | 2021-09-30 | Underwater torch carried by robot |
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| CN114034038A CN114034038A (en) | 2022-02-11 |
| CN114034038B true CN114034038B (en) | 2023-08-01 |
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| EP0482432A2 (en) * | 1990-10-23 | 1992-04-29 | Messer Griesheim Gmbh | Method for underwater cutting |
| CN101033856A (en) * | 2007-04-18 | 2007-09-12 | 航天科工海鹰集团有限公司 | Solid fuel torch |
| JP2010019450A (en) * | 2008-07-09 | 2010-01-28 | Daikin Ind Ltd | Combustion device |
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| CN108458339A (en) * | 2017-02-22 | 2018-08-28 | 气体产品与化学公司 | Twin-stage oxy-fuel burner |
| CN209857043U (en) * | 2019-04-02 | 2019-12-27 | 北京北燃环能科技发展有限公司 | Fire-transferring combustion device in water |
| CN213334432U (en) * | 2020-07-03 | 2021-06-01 | 山东省天然气管道有限责任公司 | Premixing type ground torch burner |
| CN113154391A (en) * | 2021-04-27 | 2021-07-23 | 西安航天动力研究所 | Oxygen-methane torch ignition device and torch generation method thereof |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0482432A2 (en) * | 1990-10-23 | 1992-04-29 | Messer Griesheim Gmbh | Method for underwater cutting |
| CN101033856A (en) * | 2007-04-18 | 2007-09-12 | 航天科工海鹰集团有限公司 | Solid fuel torch |
| JP2010019450A (en) * | 2008-07-09 | 2010-01-28 | Daikin Ind Ltd | Combustion device |
| CN204026725U (en) * | 2014-07-14 | 2014-12-17 | 华中科技大学 | The oxygen-enriched combustion system of the empty minute technology of a kind of coupled solar and chemical chain |
| CN108458339A (en) * | 2017-02-22 | 2018-08-28 | 气体产品与化学公司 | Twin-stage oxy-fuel burner |
| CN209857043U (en) * | 2019-04-02 | 2019-12-27 | 北京北燃环能科技发展有限公司 | Fire-transferring combustion device in water |
| CN213334432U (en) * | 2020-07-03 | 2021-06-01 | 山东省天然气管道有限责任公司 | Premixing type ground torch burner |
| CN113154391A (en) * | 2021-04-27 | 2021-07-23 | 西安航天动力研究所 | Oxygen-methane torch ignition device and torch generation method thereof |
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| Publication number | Publication date |
|---|---|
| CN114034038A (en) | 2022-02-11 |
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