[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

CN219433337U - Three-time cyclone air pushing furnace end - Google Patents

Three-time cyclone air pushing furnace end Download PDF

Info

Publication number
CN219433337U
CN219433337U CN202223477804.XU CN202223477804U CN219433337U CN 219433337 U CN219433337 U CN 219433337U CN 202223477804 U CN202223477804 U CN 202223477804U CN 219433337 U CN219433337 U CN 219433337U
Authority
CN
China
Prior art keywords
cyclone
combustion chamber
gas
whirlwind
shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202223477804.XU
Other languages
Chinese (zh)
Inventor
王鹏
汪巳博
王泉博
汪青
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202223477804.XU priority Critical patent/CN219433337U/en
Application granted granted Critical
Publication of CN219433337U publication Critical patent/CN219433337U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Abstract

The three-time cyclone air pushing furnace end comprises a cyclone combustion chamber shell and a cyclone cavity shell, wherein a bottom hole is formed in the bottom surface of the cyclone combustion chamber shell, a plurality of inclined through spiral assisting holes are formed in the side wall of the cyclone combustion chamber shell, the cyclone cavity shell is sleeved outside the cyclone combustion chamber shell, a cyclone cavity air channel is formed between the cyclone combustion chamber shell and the cyclone combustion chamber shell, the bottom of the cyclone cavity shell is fixedly connected with a gas-liquid nozzle, one end of an air inlet pipe of the cyclone cavity is connected with the side wall of the cyclone cavity shell, the other end of the air inlet pipe of the cyclone cavity is arranged in the cyclone cavity air channel, one side of a pipe orifice is closed, and the other side of the pipe orifice is communicated with the cyclone cavity air channel; the cyclone combustion chamber comprises a cyclone combustion chamber body, a gas-liquid nozzle, a cyclone flame distribution plate, a flame collecting ring, a gas-liquid nozzle, a cyclone fan blade or an internal rotator, wherein the cyclone fan blade or the internal rotator is fixedly arranged in a bottom hole of the cyclone combustion chamber body, a center hole of the cyclone fan blade or the internal rotator is opposite to the gas-liquid nozzle, the cyclone flame distribution plate is fixedly arranged at an upper opening of the cyclone combustion chamber body, and the flame collecting ring is arranged above the cyclone flame distribution plate. The burner can fully mix gas and liquid, can strengthen fire speed and firepower under the action of three times of whirlwind and auxiliary whirlwind, improves flame temperature, and is suitable for gas-liquid mixed fuel.

Description

Three-time cyclone air pushing furnace end
Technical Field
The utility model relates to a three-time cyclone air pushing furnace end, which belongs to a furnace suitable for gas-liquid mixed fuel.
Background
The traditional cyclone liquid fuel stove increases the oxygen supply amount by utilizing the air flow rotating at high speed, so that the combustion efficiency is improved, but the fuel is poor in dispersity after atomization because of entering a combustion chamber rapidly, and the high-efficiency full combustion is not facilitated. The liquid fuel of the secondary atomization rotary air-liquid stove can be fully combusted through secondary atomization, and the heat efficiency can be improved, but the fire speed, the firepower and the flame temperature are not ideal.
Disclosure of Invention
The utility model aims to provide a three-time cyclone gas pushing furnace end which can fully mix gas and liquid, and can strengthen fire speed, firepower and improve flame temperature under the action of three-time cyclone and auxiliary cyclone.
The technical scheme of the utility model is as follows: the utility model provides a cubic cyclone gas pushes away furnace end, includes whirlwind combustion chamber casing, whirlwind chamber shell, whirlwind combustion chamber casing bottom surface be equipped with the bottom opening, be equipped with a plurality of oblique circular opening on the lateral wall and help the spiral opening, whirlwind chamber shell cover in the outside of whirlwind combustion chamber casing, the top of whirlwind chamber shell is followed sealing connection on with whirlwind combustion chamber casing, is equipped with whirlwind chamber wind channel between the two shells, whirlwind chamber shell bottom links firmly with the gas-liquid nozzle, its characterized in that: one end of the cyclone chamber air inlet pipe is connected with the side wall of the cyclone chamber shell, the other end of the cyclone chamber air inlet pipe is arranged in the cyclone chamber air channel, one side of a pipe orifice of the cyclone chamber air inlet pipe in the cyclone chamber air channel is closed, and the other side of the pipe orifice is communicated with the cyclone chamber air channel; the cyclone combustion chamber comprises a cyclone combustion chamber body, a gas-liquid nozzle, a cyclone flame distribution plate, a flame collecting ring, a gas-liquid nozzle, a cyclone fan blade or an internal rotator, wherein the cyclone fan blade or the internal rotator is fixedly arranged in a bottom hole of the cyclone combustion chamber body, a center hole of the cyclone fan blade or the internal rotator is opposite to the gas-liquid nozzle, the cyclone flame distribution plate is fixedly arranged at an upper opening of the cyclone combustion chamber body, and the flame collecting ring is arranged above the cyclone flame distribution plate.
The inner ring of the fire gathering ring is designed into a horn shape with a small upper part and a large lower part, and the bottom surface of the fire gathering ring is connected with the cyclone combustion chamber shell.
The cyclone flame distribution plate is characterized in that the main body of the cyclone flame distribution plate is disc-shaped, a plurality of uniformly distributed inclined rotating blades are arranged on the periphery of the disc, and three cyclone and flame channels are arranged between every two adjacent blades.
The internal rotator is cylindrical, the upper part of the cylinder is arranged in the cyclone combustion chamber shell, the lower part of the cylinder is sleeved on the nozzle and is arranged in the cyclone cavity air duct, a plurality of circles of secondary cyclone channels which rotate obliquely are uniformly distributed on the circumferential wall of the cylinder, and a plurality of inclined rotary secondary cyclone channels are uniformly distributed on each circle of the cylinder.
The cyclone fan blade is characterized in that the main body of the cyclone fan blade is cylindrical, a plurality of uniformly distributed inclined rotating blades are arranged on the circumferential surface of the cylinder, and secondary cyclone channels are arranged between the adjacent blades.
The rotation direction of the oblique through rotation assisting hole is consistent with the rotation direction of the cyclone fan blade, the rotation direction of the oblique through hole of the internal rotator and the rotation direction of the flame channel of the cyclone flame distributing disc.
The gas-liquid nozzle is formed by sleeving an inner pipe and an outer pipe, the outer end of the inner pipe is a liquid fuel connector, and the outer end of the outer pipe is an air compressor connector.
And a time delay ignition needle connected with a time delay igniter is arranged in the combustion chamber shell.
The utility model relates to a three-time cyclone air pushing furnace end, which utilizes compressed air to push fuel into a cyclone combustion chamber through an air-liquid nozzle, and the sprayed fuel is atomized into gas-liquid so that the fuel is fully mixed and atomized; the cyclone chamber air inlet pipe is closed at one side of a pipe orifice in the cyclone chamber air duct, and the other side of the pipe orifice is communicated with the cyclone chamber air duct, so that the inlet of the air inlet pipe is larger than the outlet, and compressed and sprayed air flow can accelerate wind in the cyclone chamber air duct. The secondary cyclone entering from the internal rotator can rotate in the center and form a layered stable and urgent state with the inclined cyclone, which is beneficial to the primary ignition of liquid fuel with flash point above 65 ℃ and air temperature below 10 ℃ and is especially suitable for northeast and northwest winter. The fuel is fully mixed with the oblique-through auxiliary whirlwind and the secondary whirlwind after being ignited, and the tertiary rotation is obtained through the whirlwind flame distribution plate, so that the density of the flame and the whirlwind air flow is increased under the action of negative pressure, and the oblique-through auxiliary whirlwind hole at the upper end of the cyclone combustion chamber shell is communicated with the cast iron flame collecting ring, so that the oxygen supply amount is increased for the tertiary rotation again; the cast iron fire gathering ring has the function of gathering, compresses the air flow compressed by the whirlwind again, so that the density is higher, the oxygen content is higher, the outlet temperature of the furnace end is improved, the environmental protection and energy saving effects are enhanced, and the flame temperature is improved. Because of multiple cyclone and multiple oxygenation, the combustion efficiency is improved, the flame speed is enhanced, the firepower is strong, the flame temperature of the technology is up to 1005 ℃, and the temperature is 150-200 ℃ higher than the temperature of the existing furnace end.
Drawings
Fig. 1 is a schematic structural view of a third embodiment of a cyclone air-pushing burner of the present utility model.
Fig. 2 is a schematic structural view of a third embodiment of the cyclone air-pushing burner of the present utility model.
Figure 3 is a front view of the cyclone chamber housing.
Fig. 4 is a top view of fig. 3.
Fig. 5 is a right side view of fig. 3.
Fig. 6 is a front view of the cyclone burner housing.
Fig. 7 is a left side partial cross-sectional view of fig. 6.
FIG. 8 is a schematic illustration of the connection of the internal rotator to the combustion chamber housing.
Fig. 9 is a schematic structural view of a cyclone flame distributing plate.
Fig. 10 is a top view of fig. 9.
Fig. 11 is a schematic structural view of a cyclone blade.
Fig. 12 is a top view of fig. 11.
In the figure: the cast iron flame gathering ring comprises a cast iron flame gathering ring body, a cyclone combustion chamber shell body, a cyclone flame distribution plate, a cyclone chamber shell body, a delay ignition needle, a delay igniter, cyclone blades, a cyclone chamber air inlet, an air compressor connecting port, a liquid combustion connecting port, a gas-liquid nozzle, a 12 oblique through rotation assisting hole and a 13 internal rotator, wherein the cast iron flame gathering ring body is provided with a cast iron flame gathering ring body, the cyclone combustion chamber shell body is provided with a cyclone combustion chamber, the cyclone flame distribution plate is provided with a cyclone chamber shell body, the delay ignition needle is provided with a cyclone chamber shell body, the delay igniter is provided with a delay igniter, the cyclone blade is provided with a delay ignition needle, the cyclone chamber air inlet is provided with a delay ignition needle, the delay igniter is provided with a delay ignition needle, the delay.
Detailed Description
Example 1
The utility model relates to a three-cyclone air-pushing furnace end, the technical structure of which is shown in fig. 1 and 2, and the three-cyclone air-pushing furnace end is a furnace suitable for gas-liquid mixed fuel. The cyclone combustion chamber comprises a cyclone combustion chamber shell 2 and a cyclone cavity shell 4, wherein the bottom surface of the cyclone combustion chamber shell 2 is provided with bottom holes as shown in figures 6, 7 and 8, and the side wall is provided with a plurality of inclined through swirl-assisting holes 12 as shown in figures 1 and 2; the cyclone chamber shell 4 is sleeved outside the cyclone combustion chamber shell 2, the top of the cyclone chamber shell 4 is in sealing pressure connection with the upper edge of the cyclone combustion chamber shell 2, a cyclone chamber air duct is arranged between the two shells, the bottom of the cyclone chamber shell 4 is fixedly connected with the gas-liquid nozzle 11, one end of the cyclone chamber air inlet pipe 8 is connected with the side wall of the cyclone chamber shell 4, the other end of the cyclone chamber air inlet pipe is arranged in the cyclone chamber air duct, one side of a pipe orifice of the cyclone chamber air inlet pipe 8 in the cyclone chamber air duct is closed, and the other side of the pipe orifice is communicated with the cyclone chamber air duct as shown in figures 3, 4 and 5; the cyclone fan blade 7 is fixedly arranged in the bottom hole of the cyclone combustion chamber shell 2, and the central hole of the cyclone fan blade 7 is opposite to the gas-liquid nozzle 11 as shown in figure 1; the upper opening of the cyclone combustion chamber shell 2 is fixedly provided with a cyclone flame distribution plate 3, and the rotation direction of the inclined through swirl-assisting hole 12 is consistent with the rotation direction of the cyclone fan blade 7 and the cyclone rotation direction of the cyclone flame distribution plate 3. The upper part of the cyclone flame distribution plate 3 is provided with a cast iron fire gathering ring 1, the inner ring of the fire gathering ring is designed into a horn shape with a small upper part and a big lower part, the bottom surface of the fire gathering ring is connected with a cyclone combustion chamber shell 2, and an oblique through swirl assisting hole at the upper end of the cyclone combustion chamber shell is communicated with the cast iron fire gathering ring. The cyclone flame distribution plate 3 is disc-shaped, a plurality of uniformly distributed inclined rotating blades are arranged on the periphery of the disc, and three cyclone and flame channels are arranged between the adjacent blades as shown in figures 9 and 10; the cyclone fan blade 7 is cylindrical in main body, a plurality of uniformly distributed inclined rotating blades are arranged on the circumferential surface of the cylinder, and secondary cyclone channels are arranged between the adjacent blades, as shown in fig. 11-12; the gas-liquid nozzle 11 is formed by sleeving an inner pipe and an outer pipe, the outer end of the inner pipe is provided with a liquid fuel connector 10, and the outer end of the outer pipe is provided with an air compressor connector 9. As shown in fig. 1, a time delay ignition needle 5 is arranged in the combustion chamber shell 2, and the time delay ignition needle 5 is connected with a time delay igniter 6.
The related supporting facilities comprise a fuel balance auxiliary box, a tubular heater, an air compressor, a transfusion tube, a gas transmission tube, a gas filter, a regulating valve and a relay switch, and the components have better supporting use effect with the furnace end.
Example 2
As shown in fig. 2, the cyclone blade 7 in embodiment 1 is replaced by an internal rotator 13, the center hole of the internal rotator is opposite to the gas-liquid nozzle 11, the internal rotator 13 is cylindrical, the upper part of the cylinder is arranged in the cyclone combustion chamber shell, the lower part of the cylinder is arranged in the cyclone cavity air duct, and the cylinder is sleeved on the gas-liquid nozzleCircumference of circumferenceThe wall is uniformly distributed with a plurality of circles, and each circle is uniformly distributed with a plurality of inclined rotating secondary cyclone passage holes. The wind holes on the cylinder are arranged in a staggered way, and the pore diameters of the wind holes in each circle are sequentially enlarged from bottom to top. Other structures of this embodiment 2 are the same as those of embodiment 1.
When the three-time cyclone air pushing furnace end works, liquid fuel enters the tubular heater from the balance auxiliary box through the infusion tube, one part of the liquid fuel is preheated in the tubular heater, the other part of the liquid fuel is gasified to form a vaporific air-liquid and air-liquid mixture, the vaporific air-liquid and the air-liquid mixture are jetted into the combustion chamber through the air-liquid nozzle under the action of the air compressor, and the air compressor has the effect that the generated compressed air can absorb the fuel and can provide the compressed gas for the fuel. The sprayed vaporous gas-liquid and the gas-liquid mixture are ignited by the delay ignition needle 5 in the combustion chamber. Meanwhile, the fan is started in advance, wind provided by the fan moves forwards along the inner wall of the cyclone cavity shell through the cyclone cavity air inlet 8 to form primary cyclone, the primary cyclone enters the cyclone blade 7 or the internal rotator 13, secondary cyclone is formed at the outlet of the cyclone blade or the internal rotator, mist gas and liquid are mixed with the secondary cyclone in the combustion chamber, the cyclone blade and the internal rotator rotate at the center of the combustion chamber due to the effect of the cyclone blade and the cyclone, the cyclone layers are one more layer, the strength is different, the cyclone blade and the internal rotator are sources for forming the secondary cyclone, and the wind of the internal rotator does not directly enter the bottom outer wall of the cyclone combustion chamber but forms cyclone in the cyclone cavity due to the difference of the source mode of wind. Meanwhile, the primary cyclone passes through the inclined swirl-assisting holes 12 along the outer wall of the fuel chamber shell and enters the combustion chamber to form a confluence and mutual assistance of the swirl-assisting gas and the secondary cyclone, and the primary cyclone and the secondary cyclone are mixed together to form a powerful cyclone, so that the flame combustion force is enhanced, and the secondary cyclone plays roles of supporting combustion and enhancing the cyclone force; the flame, the secondary whirlwind and the whirlwind-assisting and running-assisting whirlwind flame distribution plate 3 forms a third whirlwind in a rotating channel of the flame distribution plate to enter the cast iron fire gathering ring, the whirlwind flame distribution plate strengthens the fire speed, so that the fire power is strong, the inclined through whirlwind-assisting hole at the upper end of the cyclone combustion chamber shell is communicated with the cast iron fire gathering ring, and the oxygen supply amount is increased for the third whirlwind flame in the cast iron fire gathering ring and the third whirlwind flame is gathered; the air compressor of the technology is consistent with the wind direction generated by the three-time cyclone and the oblique-through auxiliary cyclone, the air compressor is required to rotate left, the air compressor is required to rotate right, the strong synthetic rotary airflow is formed in the cyclone combustion chamber, the liquid fuel is atomized to form gas-liquid and gas-liquid effects are better, the high-speed cyclone airflow increases the air density of the same volume, so that the content of oxygen is increased, the combustion is more sufficient, and the combustion temperature is higher. Under the action of three times of whirlwind and oblique-through auxiliary whirlwind, powerful whirlwind flame is realized, the flame temperature is increased to 1005 ℃, and the temperature is 150-200 ℃ higher than that of other furnace heads. Thus, the lean combustion is realized, the heat efficiency is improved, the energy is further saved, the liquid fuel consumption is reduced, and the method has considerable economic benefit.

Claims (8)

1. The utility model provides a three-time cyclone gas pushes away furnace end, includes whirlwind combustion chamber casing (2), whirlwind chamber shell (4), whirlwind combustion chamber casing (2) bottom surface be equipped with the bottom opening, be equipped with a plurality of on the lateral wall and lead to helping the spiral hole (12) to one side, whirlwind chamber shell (4) cover in the outside of whirlwind combustion chamber casing (2), the top of whirlwind chamber shell (4) is followed sealing connection on whirlwind combustion chamber casing (2), is equipped with whirlwind chamber wind channel between the two shells, whirlwind chamber shell (4) bottom links firmly with gas-liquid nozzle (11), its characterized in that: one end of a cyclone chamber air inlet pipe (8) is connected with the side wall of the cyclone chamber shell (4), the other end of the cyclone chamber air inlet pipe is arranged in the cyclone chamber air channel, one side of a pipe orifice of the cyclone chamber air inlet pipe (8) in the cyclone chamber air channel is closed, and the other side of the pipe orifice is communicated with the cyclone chamber air channel; the cyclone burner is characterized in that a cyclone fan blade (7) or an internal rotator (13) is fixedly arranged in a bottom hole of the cyclone burner housing (2), a central hole of the cyclone fan blade (7) or the internal rotator (13) is opposite to the gas-liquid nozzle (11), a cyclone flame distribution plate (3) is fixedly arranged at an upper opening of the cyclone burner housing (2), and a fire collecting ring (1) is arranged above the cyclone flame distribution plate (3).
2. The triple cyclone gas-push burner of claim 1 wherein: the inner ring of the fire gathering ring (1) is designed into a horn shape with a small upper part and a big lower part, and the bottom surface of the fire gathering ring is connected with the cyclone combustion chamber shell (2).
3. The triple cyclone gas-push burner of claim 1 wherein: the cyclone flame distribution disc (3) is characterized in that the main body is disc-shaped, a plurality of uniformly distributed inclined rotating blades are arranged on the periphery of the disc, and three cyclone and flame channels are arranged between every two adjacent blades.
4. The triple cyclone gas-push burner of claim 1 wherein: the internal rotator (13) is cylindrical, the upper part of the cylinder is arranged in the cyclone combustion chamber shell, the lower part of the cylinder is sleeved on the nozzle and is arranged in the cyclone cavity air duct, a plurality of circles of secondary cyclone channels which rotate obliquely are uniformly distributed on the circumferential wall of the cylinder, and a plurality of inclined rotating secondary cyclone channels are uniformly distributed on each circle of the cylinder.
5. The triple cyclone gas-push burner of claim 1 wherein: the cyclone fan blade (7) is cylindrical in main body, a plurality of uniformly distributed inclined rotating blades are arranged on the circumferential surface of the cylinder, and secondary cyclone channels are arranged between the adjacent blades.
6. The triple cyclone gas-push burner of claim 1 wherein: the rotation direction of the oblique through rotation assisting holes (12) is consistent with the rotation direction of the cyclone fan blades (7), the rotation direction of the oblique through holes of the internal rotator (13) and the rotation direction of the flame channels of the cyclone flame distribution plate (3).
7. The triple cyclone gas-push burner of claim 1 wherein: the gas-liquid nozzle (11) is formed by sleeving an inner pipe and an outer pipe, the outer end of the inner pipe is a liquid fuel connector (10), and the outer end of the outer pipe is an air compressor connector (9).
8. The triple cyclone gas-push burner of claim 1 wherein: a time delay ignition needle (5) is arranged in the combustion chamber shell (2).
CN202223477804.XU 2022-12-26 2022-12-26 Three-time cyclone air pushing furnace end Active CN219433337U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223477804.XU CN219433337U (en) 2022-12-26 2022-12-26 Three-time cyclone air pushing furnace end

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223477804.XU CN219433337U (en) 2022-12-26 2022-12-26 Three-time cyclone air pushing furnace end

Publications (1)

Publication Number Publication Date
CN219433337U true CN219433337U (en) 2023-07-28

Family

ID=87333490

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223477804.XU Active CN219433337U (en) 2022-12-26 2022-12-26 Three-time cyclone air pushing furnace end

Country Status (1)

Country Link
CN (1) CN219433337U (en)

Similar Documents

Publication Publication Date Title
CN207049921U (en) A kind of burner of gas-cooker
CN103939943B (en) A kind of double-cyclone dual fuel nozzle for chemical regenerative cycle
CN205137451U (en) Force to draw low NOx gas combustion ware of penetrating flue gas backward flow
CN114526497B (en) Double-necking combined spiral-flow type center-grading high-temperature-rise combustion chamber
CN107575891A (en) A kind of dual-fuel gas turbine low pollution combustor head construction
CN107084388B (en) Mixed atomization cracking burner and mixed combustion method thereof
CN201344535Y (en) Multi-nozzle, high-flow and fully-upper-inlet-air embedded household gas stove burner
CN202002097U (en) Oil gun air distributor and oil gun sparking device
CN104154566B (en) gas turbine dual fuel nozzle structure
CN201062790Y (en) Blast type gas burner
CN219433337U (en) Three-time cyclone air pushing furnace end
CN203501170U (en) Atmospheric burner
CN205939146U (en) Novel low NOx gas combustion ware
CN205955853U (en) Directly spout vortex top land combustion chamber
CN209399411U (en) A kind of nozzle of combustion chamber, combustion chamber and miniature gas turbine
CN204313313U (en) Gas-turbine combustion chamber nozzle
CN203413631U (en) Full upper air inlet three-nozzle burner provided with multiple injection systems
CN2672494Y (en) Complete top air inlet double nozzle burner
CN206556008U (en) A kind of combination burner
CN203464277U (en) A kind of burner
CN102588969B (en) Commercial kitchen range furnace end
CN212537832U (en) Gas distribution blast structure and gas-cooker
CN108870391B (en) High-efficiency energy-saving burner
CN207247203U (en) The more level air-distributions of industrial combustion gas kiln are oxygen-enriched with burning burner special
CN208750709U (en) A kind of more spray heads mix by force low NO

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant