CN212157155U - Low-emission heat accumulating type burner - Google Patents

Low-emission heat accumulating type burner Download PDF

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Publication number
CN212157155U
CN212157155U CN202020652535.8U CN202020652535U CN212157155U CN 212157155 U CN212157155 U CN 212157155U CN 202020652535 U CN202020652535 U CN 202020652535U CN 212157155 U CN212157155 U CN 212157155U
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pipe
gas
nozzle
flue gas
burner
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胡向阳
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Shineng (Tianjin) thermal Technology Co.,Ltd.
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胡向阳
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    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14Thermal energy storage

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Abstract

The utility model provides a low heat accumulation formula nozzle that discharges, include furnace, install in the nozzle of furnace both sides and connect the trachea mechanism on locating the nozzle, the nozzle includes the nozzle main part and connects the spout brick of establishing between furnace lateral wall and nozzle main part through the flange, be equipped with cylindric burning chamber in the spout brick, the spout brick is equipped with the annular gas pipe of circle outward, be equipped with the gas interface on the gas pipe, the gas is managedThe gas pipe is evenly divided into at least 2 gas branch pipes, the diameters of the gas branch pipes are smaller than those of the gas pipe, and the outlet ends of the gas branch pipes are connected with the combustion chamber. Utilize the utility model discloses a low heat accumulation formula nozzle that discharges of technical scheme preparation has improved the gas and hot mist's mixed degree, reduces oxygen concentration and mist's among the mist temperature, makes the gas fully burn, restraines NOXThe waste gas treatment system is also arranged, so that the treatment cost is reduced while the waste gas treatment efficiency is improved.

Description

Low-emission heat accumulating type burner
Technical Field
The utility model belongs to the technical field of the industrial furnace, especially, relate to a low heat accumulation formula nozzle that discharges.
Background
The heat accumulating burner is a burner which can preheat air by recovering heat from the smoke of a kiln through a heat accumulating ball so as to achieve the aim of alternately burning and uniformly heating, is another great technical progress after the self preheating burner, and is applied to a forging furnace, a heat treatment furnace, a metal melting furnace, a glass tank furnace and the like. One set of heat accumulation formula nozzle system includes two nozzles at least, and when a nozzle utilized the hot-air in the heat accumulator to burn, another nozzle played the function of a smoke vent, when discharging fume, the heat accumulation ball was heat accumulation, and after the heat accumulation was accomplished, the operating condition interconversion of two nozzles to this circulation is reciprocal.
In the 90 s of the 20 th century, the technology of the heat accumulating type burner is continuously improved, and the application is more and more extensive, but under the great situation of energy conservation and environmental protection nowadays, the traditional heat accumulating type burner has obvious defects: the gas and the air are difficult to be fully mixed, the combustion is insufficient, and a large amount of NO is generatedXPollutants and low energy utilization rate, and the treatment of the pollutants is obviously insufficient, so that pollution is caused while the cost is consumed, and therefore, a new technology is urgently needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem, a low discharge heat accumulation type burner is designed.
Realize above-mentioned purpose the technical scheme of the utility model be, a low discharge heat accumulation formula nozzle, include furnace, install in the nozzle of furnace both sides and connect the tracheal mechanism of locating on the nozzle, the nozzle includes the nozzle main part and connects the spout brick of establishing between furnace lateral wall and nozzle main part through the flange, be equipped with cylindric burning chamber in the spout brick, the spout brick is equipped with the annular gas pipe of circle outward, be equipped with the gas interface on the gas pipe, evenly divide on the gas pipe to be equipped with the gas branch pipe that is 2 at least, the diameter of gas branch pipe is less than the diameter of gas pipe, the exit end and the burning chamber of gas branch pipe meet, contained angle an between gas branch pipe axis and the burning chamber axis is 50-60.
The heat storage ball is filled in the middle of the burner body, the bottom in the burner body is an air inlet cavity, the top in the burner body is a mixing cavity, and the mixing cavity is communicated with the combustion cavity.
The burner body comprises a steel structure shell, an aluminum carbonate fiber layer and a mullite pouring layer which are sequentially arranged from outside to inside, and a cover plate brick layer is further arranged on the top end of the burner body on the inner side of the mullite pouring layer.
The bottom of the heat storage ball is provided with a steel grate, a steel wire mesh is additionally arranged between the steel grate and the heat storage ball, and the top of the burner body is provided with an igniter.
The heat storage ball cleaning port is formed in the outer side of the middle of the burner body, the heat storage ball adding port is formed in the top of the burner body, the gas guide port is formed in the bottom of the burner body, and the smoke port is formed in the outer side of the top of the burner body.
The heat storage ball adding port is in an isosceles trapezoid shape with a wide upper part and a narrow lower part, a sealing plug is arranged on the heat storage ball adding port, and the sealing plug is a brick plug and is matched with the heat storage ball adding port in shape and size.
The tracheal mechanism includes the flue gas pipe and connects air pipe and the flue gas pipe of locating on the flue gas pipe, be provided with the flue gas valve on the flue gas pipe, be provided with the air valve on the air pipe, be provided with the flue gas valve on the flue gas pipe.
One end of the flue gas pipe is connected with a flue gas port of a burner positioned on one side of the hearth, the other end of the flue gas pipe is connected with a gas guide port of a burner positioned on the other side of the hearth, one end of the waste gas pipe is connected with the flue gas pipe, and the other end of the waste gas pipe is connected with a waste gas treatment system.
Waste gas treatment system by the shunt tubes that meet with the exhaust-gas line, connect respectively and locate No. 1 processing tube and No. 2 processing tubes on the shunt tubes, connect and locate No. 1 processing chamber of No. 1 processing tube exit end, connect and locate No. 2 processing chambers of No. 2 processing tube exit ends, constitute jointly with the blast pipe that No. 1 processing chamber and No. 2 processing chambers meet.
Be provided with temperature sensor on the shunt tubes, 1 number is handled and is provided with the solenoid valve No. 1 on the pipe, 2 numbers are handled and are provided with the solenoid valve No. 2 on the pipe.
Utilize the utility model discloses a low heat accumulation formula nozzle that discharges of technical scheme preparation, its beneficial effect is:
1. the traditional mode of arranging the gas pipe on the central axis of the burner is changed into the mode of annularly sleeving the gas pipe on the spout brick, and meanwhile, the gas branch pipe is arranged to convey gas, so that the mixing degree between the gas and hot air is improved, the combustion of the gas is more sufficient, and NO is effectively inhibitedXThe generation of contaminants;
2. the flue gas pipe is arranged, so that the flue gas generated by combustion can quantitatively flow back, the hot air can be diluted while the secondary combustion is carried out, the fuel can be subjected to low-oxygen combustion, and NO is further inhibitedXThe generation of contaminants;
3. be provided with exhaust treatment system, can adopt different treatment methods to waste gas according to the temperature of waste gas, when practicing thrift the cost, can improve the treatment effeciency of waste gas, reduce the production of pollutant in the waste gas, reduce the pollution to atmosphere.
Drawings
FIG. 1 is an overall structure of the present invention;
FIG. 2 is a structural view of a burner;
FIG. 3 is a schematic view of an exhaust treatment system configuration;
fig. 4 is a working state diagram of the present invention.
In the figure: 1. a hearth; 2. burning a nozzle; 3. a burner body; 4. a spout brick; 5. a combustion chamber; 6. a gas pipe; 7. a gas interface; 8. a gas branch pipe; 9. a heat storage ball; 10. an air inlet cavity; 11. a mixing chamber; 12. a steel structure shell; 13. an aluminum carbonate fiber layer; 14. a mullite pouring layer; 15. a cover plate brick layer; 16. A fine-toothed comb; 17. steel wire mesh; 18. an igniter; 19. a heat storage ball cleaning port; 20. a heat storage ball addition port; 21. an air guide port; 22. a flue gas port; 23. a sealing plug; 24. a flue gas pipe; 25. an air tube; 26. an exhaust gas pipe; 27. a flue gas valve; 28. an air valve; 29. an exhaust gas valve; 30. an exhaust gas treatment system; 31. A shunt tube; 32. treatment tube No. 1; 33. treatment tube No. 2; 34. a processing chamber No. 1; 35. a processing chamber No. 2; 36. an exhaust pipe; 37. a temperature sensor; 38. a No. 1 electromagnetic valve; 39. solenoid valve No. 2.
Detailed Description
Referring to the drawings, the embodiment of the invention will be described in detail, as shown in fig. 1 and 2, a low-emission regenerative burner includes a furnace 1, burners 2 installed on both sides of the furnace 1, and a gas pipe mechanism connected to the burners 2, the burner 2 comprises a burner main body 3 and a spout brick 4 connected between the side wall of the hearth 1 and the burner main body 3 through a flange, a cylindrical combustion chamber 5 is arranged in the nozzle brick 4, a circular ring-shaped gas pipe 6 is arranged outside the nozzle brick 4, the gas pipe 6 is provided with a gas interface 7, the gas pipe 6 is evenly provided with at least 2 gas branch pipes 8, the diameter of the gas branch pipe 8 is smaller than that of the gas pipe 6, the outlet end of the gas branch pipe 8 is connected with the combustion chamber 5, the included angle a between the central axis of the gas branch pipe 8 and the central axis of the combustion cavity 5 is 50-60 degrees.
One set of heat accumulation formula nozzle system includes two nozzles 2 at least, divide and locate 1 both sides of furnace, one of them nozzle 2 is used for preheating the air, mix hot-air and gas afterwards, spout burning in furnace 1 after the ignition, and the flue gas that the combustion product rises then gets into another nozzle 2 through furnace 1, get rid of behind heat accumulation ball 9, when passing through heat accumulation ball 9, heat in the flue gas can be absorbed and stored to heat accumulation ball 9, wait until the heat storage completion after, the operating condition of two nozzles 2 exchanges, make the abundant nozzle 2 of heat preheat the air through heat accumulation ball 9, another nozzle 2 then begins the storage heat.
The utility model discloses in, different from prior art, the gas pipe 6 with input gas changes annular pipe into, and surround outside spout brick 4, and simultaneously, evenly be provided with 2 at least gas branch pipes 8 on gas pipe 6, gas branch pipe 8 runs through spout brick 4 and communicates to in the burning chamber 5 in spout brick 4, and, contained angle a between 8 axis of gas branch pipe and the burning chamber 5 axis is 50-60, when the hot-air after being preheated by heat accumulation ball 9 flows in the burning chamber 5 of spout brick 4, the gas passes through gas interface 7 on the gas pipe 6 and gets into gas pipe 6, mix with the hot-air flow in getting into burning chamber 5 through gas branch pipe 8, in this process, because gas branch pipe 8's the little diameter is littleIn the diameter of gas pipe 6, so the gas is when getting into gas branch pipe 8 from gas pipe 6, and the velocity of flow increases, and high-speed gas flows mixes with the hot-air with the form around the hot-air, has improved the degree of mixing of gas and hot-air greatly, improves the sufficiency of gas burning to reduce NOXMeanwhile, as the gas pipe 6 is arranged outside the spout brick 4, when the burner 2 changes the working state, the gas pipe 6 cannot be burnt by high-temperature flue gas, so that compressed air for cooling is not required to be configured, and the energy is saved.
Researches show that NO in the heat accumulating type burner does not enter the hearth 1 in time after the gas and the hot air are mixed, so that NO in the heat accumulating type burner is generatedXMost of the gas is generated at the nozzle brick 4, therefore, in the utility model, the inclined design of the gas branch pipe 8 can not only fully mix the gas with the hot air, but also accelerate the flow rate of the mixed gas to quickly enter the hearth 1, however, the smaller the inclination angle of the gas branch pipe 8 is, the slower the flow rate of the mixed gas is relatively; the larger the inclination angle of the gas branch pipe 8 is, the more difficult it is to ensure the full mixing of the gas and the air in the nozzle brick 4, so after the experiment, when the included angle between the central axis of the gas branch pipe 8 and the central axis of the combustion chamber 5 is between 50 degrees and 60 degrees, the mixing effect and the accelerating effect can be ensured, and the NO is further reducedXIs generated.
The burner body 3 comprises a steel structure shell 12, an aluminum carbonate fiber layer 13 and a mullite pouring layer 14 which are sequentially arranged from outside to inside, a cover plate brick layer 15 is further arranged on the top end of the burner body 3 on the inner side of the mullite pouring layer 14, a heat storage ball 9 is filled in the middle of the burner body 3, a steel grate 16 is arranged at the bottom of the heat storage ball 9, and a steel wire mesh 17 is additionally arranged between the steel grate 16 and the heat storage ball 9.
Burner main part 3 is used for preheating and air delivery, the structure outside-in of burner main part 3 is steel structure shell 12 in proper order, aluminium carbonate fibrous layer 13 and mullite pour layer 14, wherein the cellosilk of aluminium carbonate fibrous layer 13 is longer, coefficient of heat conductivity is very little, consequently, good thermal insulation performance has, mullite's heat resistance is good, high strength, coefficient of heat conductivity is little, cooperation steel constructs shell 12, can guarantee the firm of 3 overall structures of burner main part, can completely cut off inside high temperature again, avoid appearing thermal dissipation, cause the energy extravagant.
What pack in the middle part of nozzle main part 3 is heat accumulation ball 9, heat in the flue gas is produced after heat accumulation ball 9 can absorb the burning, retrieve and save energy, after the energy storage is accomplished, can heat the air through heat accumulation ball 9, improve the temperature of air, guarantee that the air preheats the back and mixes with the gas and burn, consequently, be provided with steel grate 16 in the bottom of nozzle main part 3, be provided with wire net 17 between steel grate 16 and heat accumulation ball 9, when supporting heat accumulation ball 9, guarantee the permeability of air.
The outer side at the middle part of the burner main body 3 is provided with a heat storage ball cleaning port 19, the top of the burner main body 3 is provided with a heat storage ball adding port 20, the heat storage ball adding port 20 is an isosceles trapezoid with a wide upper part and a narrow lower part, a sealing plug 23 is arranged on the heat storage ball adding port 20, and the sealing plug 23 is a brick plug and is matched with the heat storage ball adding port 20 in shape and size.
The working performance of the burner 2 has a great relationship with the heat storage ball 9, so the structural design of the burner main body 3 needs to clean the waste heat storage ball 9 and add a new heat storage ball 9, therefore, in the utility model, a heat storage ball cleaning port 19 is arranged at the outer side of the middle part of the burner main body 3, which is convenient for cleaning the waste heat storage ball 9, meanwhile, the outer side port of the heat storage ball cleaning port 19 is provided with aluminum carbonate fiber, and the connecting position with the inner part of the burner main body 3 is built by clay bricks, the clay bricks can prevent fire, insulate heat, insulate sound and absorb moisture, and are durable, low in price, and the inner part of the burner main body 3 is prevented from being influenced while the framework is stable; the heat storage ball adding port 20 at the top of the burner main body 3 is used for adding the heat storage ball 9, a sealing plug 23 made of bricks is arranged in the heat storage ball adding port 20, the heat storage ball adding port 20 and the sealing plug 23 are in an isosceles trapezoid shape with the upper part wide and the lower part narrow and are mutually matched, and good heat insulation and sealing effects can be achieved.
The bottom in the nozzle main part 3 is an air inlet cavity 10, the top in the nozzle main part 3 is a mixing cavity 11, the mixing cavity 11 is communicated with the combustion cavity 5, an air guide opening 21 is formed in the bottom of the nozzle main part 3, a smoke opening 22 is formed in the outer side of the top of the nozzle main part 3, and an igniter 18 is arranged at the top of the nozzle main part 3.
When the burner body 3 is in combustion operation, air enters the air inlet cavity 10 from the air guide port 21 at the bottom of the burner body 3, passes through the heat storage ball 9, absorbs heat in the heat storage ball 9 in the process, the temperature is raised, then hot air enters the mixing cavity 11, the mixing cavity 11 is communicated with the combustion cavity 5, therefore, the hot air enters the combustion cavity 5 along with the hot air to be mixed with gas for combustion, and in the process, the following 2 points influence NOXThe factors that arise are:
1. after the hot air is mixed with the fuel gas, the higher the oxygen content in the mixed gas is, the higher the NO yield isXThe more;
2. after the hot air is mixed with the fuel gas, the higher the temperature is during ignition combustion, the NO is generatedXThe more.
Therefore, the utility model discloses in, flue gas port 22 has been seted up in the outside at 3 tops of nozzle main part, the flue gas that produces the burning passes through flue gas port 22 and carries into nozzle main part 3's hybrid chamber 11, after the air heaies up in heat absorption of heat accumulation ball 9 department, at first can mix with the flue gas, in the air current after the mixture, the concentration of oxygen can reduce, and the temperature of mist also can fall, at this moment, the mist lies in the further mixture of gas and burns, such flue gas backward flow, can make flue gas reutilization, can reduce NO after the burning againXIs generated.
Trachea mechanism includes flue gas pipe 24 and connects air pipe 25 and the flue gas pipe 26 of locating on flue gas pipe 24, be provided with flue gas valve 27 on the flue gas pipe 24, be provided with air valve 28 on the air pipe 25, be provided with waste gas valve 29 on the flue gas pipe 26, an end connection of flue gas pipe 24 is established on the flue gas mouth 22 that lies in 1 one side nozzle 2 of furnace, another termination of flue gas pipe 24 is established on the air guide mouth 21 that lies in 1 opposite side nozzle 2 of furnace, one end connection of flue gas pipe 26 is located on flue gas pipe 24, another end connection of flue gas pipe 26 is equipped with exhaust-gas treatment system 30.
The gas pipe mechanism is used for conveying various gases, wherein one end of a flue gas pipe 24 is connected with a flue gas port 22 of the burner 2 which is positioned on one side of the hearth 1 and used for mixed combustion, and the other end of the flue gas pipe is connected with a gas guide port 21 of the burner 2 which is positioned on the other side of the hearth 1 and used for exhausting and storing heat, so that the backflow of the flue gas is realized; the air pipe 25 and the waste gas pipe 26 are connected to the flue gas pipe 24, the other end of the waste gas pipe 26 is connected to a waste gas treatment system 30, a flue gas valve 27 is arranged on the flue gas pipe 24, an air valve 28 is arranged on the air pipe 25, and a waste gas valve 29 is arranged on the waste gas pipe 26 for controlling the movement of various gases, so that when the burner 2 is in operation, the movement states of various air flows in the air pipe mechanism are as shown in fig. 4:
the combustion produces the flue gas in furnace 1, the flue gas can get into in the nozzle 2 that is used for exhaust heat accumulation on one side of furnace 1, at this moment, connect and locate air valve 28 on each pipeline air pipe 25 on the air guide port 21 of exhaust heat accumulation nozzle 2 and be closed, exhaust valve 29 on exhaust pipe 26 and flue gas valve 27 on flue gas pipe 24 are open therefore, high temperature flue gas gets into wherein after, can flow through heat accumulation ball 9 and release heat, subsequently, low temperature flue gas gets into in flue gas pipe 24 from air guide port 21, afterwards, these low temperature flue gases can take place to shunt: a portion enters the flue gas treatment system 30 along flue gas duct 26 and a portion continues along flue gas duct 24;
meanwhile, in the burner 2 for mixed combustion on the other side of the furnace 1, the air valve 28 on the air pipe 25 in each pipe connected to the air guide port 21 of the mixed combustion burner 2 is opened, the exhaust gas valve 29 on the exhaust gas pipe 26 and the flue gas valve 27 on the flue gas pipe 24 are closed, so that air can enter the air inlet cavity 10 of the burner 2 along the air pipe and absorb heat to raise temperature when passing through the heat storage ball 9, while a part of flue gas coming out of the exhaust heat storage burner 2 on the other side enters the flue gas port 22 of the mixed combustion burner 2, and the low-temperature flue gas is mixed with high-temperature air to reduce the temperature of the mixed gas and the concentration of oxygen therein, and then the mixed gas enters the combustion cavity 5 to be mixed with gas and combusted.
It should be noted that the flue gas valve 27 on the flue gas pipe 24 and the flue gas valve 29 on the flue gas pipe 26 are flow valves, and can control the pipeline switch and the flow rate of the gas therein, and as the heat of the heat storage balls 9 is continuously released, the heat quantity thereof is also reduced, and the temperature of the air after heat absorption is also reduced, so that the amount of the low-temperature flue gas flowing back needs to be reduced, and the insufficient combustion caused by the low temperature of the mixed gas is avoided.
As shown in fig. 3, the exhaust gas treatment system 30 includes a bypass pipe 31 connected to the exhaust gas pipe 26, a number 1 treatment pipe 32 and a number 2 treatment pipe 33 connected to the bypass pipe 31, respectively, a number 1 treatment chamber 34 connected to an outlet end of the number 1 treatment pipe 32, a number 2 treatment chamber 35 connected to an outlet end of the number 2 treatment pipe 33, and an exhaust pipe 36 connected to the number 1 treatment chamber 34 and the number 2 treatment chamber 35, wherein the bypass pipe 31 is provided with a temperature sensor 37, the number 1 treatment pipe 32 is provided with a number 1 solenoid valve 38, and the number 2 treatment pipe 33 is provided with a number 2 solenoid valve 39.
In the treatment of exhaust gases, it is primarily the NO present therein that is treatedXThe pollutant, in the actual production, often uses the mode of selective reduction to handle to this kind of compound, and when the reductant that adopts is different, the temperature of suitable reaction is also different, and the temperature of exhaust gas is undulant, and along with heat accumulation ball 9 absorbs thermal gradual saturation, the temperature of exhaust gas also can rise along with it, consequently in the utility model discloses an among the exhaust gas treatment system, possess selectively, its work flow as follows:
the flue gas flowing in through the waste gas pipe 26 enters the shunt pipe 31, then the temperature sensor 37 on the shunt pipe 31 can detect the temperature of the flue gas, when the temperature of the flue gas is lower, the No. 1 electromagnetic valve 39 is opened, the flue gas enters the No. 1 processing chamber 34 through the No. 1 processing pipe 32, and is discharged from the exhaust pipe 36 after being reduced; similarly, when the temperature of the flue gas is higher, the electromagnetic valve 39 No. 2 is opened, and the flue gas enters the treatment chamber No. 2 35 through the treatment pipe No. 2 33, passes through the reduction reaction hand, and is discharged from the exhaust pipe 36.
The selective treatment mode can increase the utilization rate of the reducing agent, improve the treatment efficiency of the waste gas and reduce the cost of waste gas treatment.
Utilize the utility model discloses a low heat accumulation formula nozzle that discharges of technical scheme preparation sets up the gas pipe into the ring form to install the gas branch pipe additional, improve mixing of gas and heatThe degree of mixing of the resultant gases; the burner body is provided with the smoke port to enable smoke to flow back, so that the oxygen concentration in the mixed gas and the temperature of the mixed gas are reduced, the gas can be fully combusted, and NO is inhibitedXThe selective waste gas treatment system is arranged, so that the waste gas treatment efficiency is improved, and the treatment cost is reduced.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims (10)

1. The utility model provides a low heat accumulation formula nozzle that discharges, includes furnace (1), installs in nozzle (2) of furnace (1) both sides and connects the trachea mechanism of locating on nozzle (2), its characterized in that: nozzle (2) include nozzle main part (3) and establish spout brick (4) between furnace (1) lateral wall and nozzle main part (3) through flange joint, be equipped with cylindric combustion chamber (5) in spout brick (4), spout brick (4) are equipped with annular gas pipe (6) outward, be equipped with gas interface (7) on gas pipe (6), gas pipe (6) are gone up evenly to divide and are equipped with gas branch pipe (8) that are 2 at least, the diameter of gas branch pipe (8) is less than the diameter of gas pipe (6), the exit end and the combustion chamber (5) of gas branch pipe (8) meet mutually, contained angle an between gas branch pipe (8) axis and combustion chamber (5) axis is 50-60.
2. A low-emission regenerative burner as claimed in claim 1, wherein: the heat storage ball (9) is filled in the middle of the burner main body (3), the bottom in the burner main body (3) is an air inlet cavity (10), the top in the burner main body (3) is a mixing cavity (11), and the mixing cavity (11) is communicated with the combustion cavity (5).
3. A low-emission regenerative burner as recited in claim 2, wherein: the burner body (3) comprises a steel structure shell (12), an aluminum carbonate fiber layer (13) and a mullite pouring layer (14) which are sequentially arranged from outside to inside, and a cover plate brick layer (15) is further arranged on the top end of the burner body (3) on the inner side of the mullite pouring layer (14).
4. A low-emission regenerative burner as recited in claim 2, wherein: the bottom of heat storage ball (9) is provided with steel grate (16), still add between steel grate (16) and heat storage ball (9) and be equipped with wire net (17), the top of nozzle main part (3) is equipped with some firearm (18).
5. A low-emission regenerative burner as recited in claim 2, wherein: heat accumulation ball clearance mouth (19) have been seted up in the outside at nozzle main part (3) middle part, heat accumulation ball interpolation mouth (20) have been seted up at the top of nozzle main part (3), gas guide port (21) have been seted up to the bottom of nozzle main part (3), flue gas port (22) have been seted up in the outside at nozzle main part (3) top.
6. A low-emission regenerative burner as claimed in claim 5, wherein: the heat storage ball adding port (20) is in an isosceles trapezoid shape with a wide upper part and a narrow lower part, a sealing plug (23) is arranged on the heat storage ball adding port (20), and the sealing plug (23) is a brick plug and is matched with the heat storage ball adding port (20) in shape and size.
7. A low-emission regenerative burner as claimed in claim 1, wherein: trachea mechanism includes flue gas pipe (24) and connects air pipe (25) and exhaust gas pipe (26) of locating on flue gas pipe (24), be provided with flue gas valve (27) on flue gas pipe (24), be provided with air valve (28) on air pipe (25), be provided with exhaust gas valve (29) on exhaust gas pipe (26).
8. A low-emission regenerative burner as recited in claim 7, wherein: one end of flue gas pipe (24) connects and establishes on flue gas mouth (22) that lie in furnace (1) one side nozzle (2), another termination of flue gas pipe (24) is established on leading gas port (21) that lie in furnace (1) opposite side nozzle (2), one end of flue gas pipe (26) connects and locates on flue gas pipe (24), the other end termination of flue gas pipe (26) is equipped with exhaust-gas treatment system (30).
9. A low-emission regenerative burner as recited in claim 8, wherein: the waste gas treatment system (30) is composed of a shunt pipe (31) connected with the waste gas pipe (26), a No. 1 treatment pipe (32) and a No. 2 treatment pipe (33) which are respectively connected with the shunt pipe (31), a No. 1 treatment chamber (34) connected with the outlet end of the No. 1 treatment pipe (32), a No. 2 treatment chamber (35) connected with the outlet end of the No. 2 treatment pipe (33), and an exhaust pipe (36) connected with the No. 1 treatment chamber (34) and the No. 2 treatment chamber (35).
10. A low-emission regenerative burner as recited in claim 9, wherein: be provided with temperature sensor (37) on shunt tubes (31), be provided with No. 1 solenoid valve (38) on No. 1 processing pipe (32), be provided with No. 2 solenoid valve (39) on No. 2 processing pipe (33).
CN202020652535.8U 2020-04-26 2020-04-26 Low-emission heat accumulating type burner Active CN212157155U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112797408A (en) * 2021-01-27 2021-05-14 保定安保能冶金设备有限公司 Intelligent self-cleaning heat accumulating type combustor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112797408A (en) * 2021-01-27 2021-05-14 保定安保能冶金设备有限公司 Intelligent self-cleaning heat accumulating type combustor

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