CN118189161A - Low-nitrogen energy-saving energy-gathering combustor - Google Patents
Low-nitrogen energy-saving energy-gathering combustor Download PDFInfo
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- CN118189161A CN118189161A CN202410530168.7A CN202410530168A CN118189161A CN 118189161 A CN118189161 A CN 118189161A CN 202410530168 A CN202410530168 A CN 202410530168A CN 118189161 A CN118189161 A CN 118189161A
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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
- F23D14/46—Details
- F23D14/62—Mixing devices; Mixing tubes
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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
- F23D14/66—Preheating the combustion air or 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
- F23D14/46—Details
- F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
- F23D14/78—Cooling burner parts
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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 invention relates to the technical field of combustors, in particular to a low-nitrogen energy-saving energy-gathering combustor which comprises a blower, wherein an air outlet of the blower is connected with an air inlet pipe, the tail end of the air inlet pipe is connected with an air outlet pipe, the tail end of the air outlet pipe is connected with a plurality of combustion spray pipes, and a heat circulation mechanism is arranged between the air inlet pipe and the air outlet pipe; the heat circulation mechanism comprises a circulation pump, a liquid outlet ring, a liquid inlet ring and a main radiating pipe, wherein the liquid outlet ring and the liquid inlet ring are fixed on the outer side of the air outlet pipe, the main radiating pipe is fixed inside the air inlet pipe, and two ends of the main radiating pipe are connected with a connecting pipe a and a connecting pipe b, which extend to the outer part of the air inlet pipe. According to the invention, the cooling liquid in the gas flame is driven to continuously circulate through the heat circulation mechanism, and after the cooling liquid absorbs the heat of the gas flame, the flame can be cooled to a certain extent, so that the gas combustion is more stable and better in uniformity, the local high temperature of the flame is avoided, the reaction degree of oxygen and nitrogen is reduced, and the emission of nitrogen oxides is reduced.
Description
Technical Field
The invention relates to the technical field of combustors, in particular to a low-nitrogen energy-saving energy-gathering combustor.
Background
The burner takes natural gas as fuel, produces fewer pollutants, but still produces certain nitrogen oxides, which can cause certain pollution to the atmosphere, and various improved low-nitrogen burners are appeared on the market along with the importance of people on the environment.
The bulletin number is: CN105972596B, chinese patent, discloses a low nitrogen burner, comprising a cylinder and a gas inlet, wherein the front end of the cylinder is provided with an inner cylinder and a combustion air swirl plate on the inner wall of the inner cylinder, the end of the inner cylinder near the back side of the inlet is provided with an air inlet cylinder on the back side of the combustion air swirl plate along the air inlet direction, the air inlet cylinder, the inner cylinder and the inner wall of the cylinder are connected in a sealing way to form a gas sub-cavity, and the air inlet cylinder is provided with an inclined flow guide hole; the cylinder body is internally provided with a primary rotational flow impeller at the rear side of the air inlet of the inner cylinder, and the primary rotational flow impeller and the air inlet cylinder form a primary mixing chamber.
Based on the above search and in combination with the real problem discovery: the existing burner usually achieves the effect of reducing the emission of nitrogen oxides by improving the mixing degree of air and fuel gas, but the partial temperature of flame is too high due to the main reason of the generation of the nitrogen oxides, so that the oxygen and nitrogen react to generate the nitrogen oxides, and the existing mode of improving the mixing degree of air and fuel gas is difficult to achieve better emission reduction effect.
Disclosure of Invention
The invention aims to provide a low-nitrogen energy-saving energy-gathering burner so as to solve the problems in the background technology.
The technical scheme of the invention is as follows: the low-nitrogen energy-saving energy-gathering burner comprises a blower, wherein an air outlet of the blower is connected with an air inlet cylinder, the tail end of the air inlet cylinder is connected with an air outlet pipe, the tail end of the air outlet pipe is connected with a plurality of combustion spray pipes, and a heat circulation mechanism is arranged between the air inlet cylinder and the air outlet pipe; the heat circulation mechanism comprises a circulation pump, a liquid outlet ring, a liquid inlet ring and a main radiating pipe, wherein the liquid outlet ring and the liquid inlet ring are fixed on the outer side of the air outlet pipe, the main radiating pipe is fixed inside the air inlet cylinder, two ends of the main radiating pipe are connected with a connecting pipe a and a connecting pipe b, the liquid outlet end of the circulation pump is communicated with the connecting pipe a, the liquid inlet end of the circulation pump is communicated with the inner side of the liquid outlet ring through a connecting pipe c, one end of the connecting pipe b is connected with an auxiliary radiating pipe, one end of the auxiliary radiating pipe is communicated with the inner side of the liquid inlet ring through a connecting pipe d, a plurality of U-shaped heat exchange pipes are arranged between the liquid outlet ring and the liquid inlet ring, and two waste heat radiating devices are symmetrically arranged at two ends of the auxiliary radiating pipe.
Preferably, each U-shaped heat exchange tube is located at one side of each combustion spray tube, and two ends of each U-shaped heat exchange tube are communicated with the inside of the liquid outlet ring and the inside of the liquid inlet ring respectively.
Preferably, four spiral blades which are circumferentially arranged are arranged on the outer side of the main radiating pipe.
Preferably, a gas ring is fixed at a position, close to the connecting pipe a, of the inner side of the air inlet barrel, a gas inlet pipe extending to the outer part of the air inlet barrel is inserted at the outer side of the gas ring, branch pipes are communicated at end positions, corresponding to each helical blade, of the inner side of the gas ring, and a plurality of gas spray heads are arranged at equal intervals on one side of each branch pipe.
Preferably, a plurality of inner heat collecting plates which are circumferentially arranged are fixed on the inner side of the main radiating pipe.
Preferably, a plurality of first blades and second blades which are arranged circumferentially are fixed at the position, close to the air outlet pipe, of the inner side of the air inlet pipe, a plurality of first blades and second blades are arranged in a crossing manner, and the first blades and the second blades are mutually perpendicular.
Preferably, expansion pistons are slidably arranged at two ends of the inner side of the auxiliary radiating pipe, and the two expansion pistons are respectively and elastically connected with two ends of the inner side of the auxiliary radiating pipe through compression springs.
Preferably, a plurality of outer radiating plates which are circumferentially arranged are fixed on the outer side of the auxiliary radiating pipe.
Preferably, the waste heat dissipation device comprises a motor fixed at the tail end of the auxiliary radiating pipe, an air duct is fixed at the outer side of the motor, a plurality of fan blades are fixed at the outer side of the driving end of the motor, and a spraying mechanism is arranged at the tail end of the driving end of the motor.
Preferably, the spraying mechanism comprises a water storage tank fixed at the tail end of the motor driving end, one end of the water storage tank is provided with a filling pipe, a plurality of centrifugal push plates are fixed on the inner side of the water storage tank, a plurality of water outlet pipes which are circumferentially arranged are arranged on the outer side of the water storage tank, water absorbing cotton is arranged on the inner side of each water outlet pipe, a baffle plate is arranged on one end of the inner side of each water outlet pipe, and a plurality of water outlet holes are formed in the inner side of each baffle plate.
The invention provides a low-nitrogen energy-saving energy-gathering burner through improvement, and compared with the prior art, the low-nitrogen energy-saving energy-gathering burner has the following improvement and advantages:
The method comprises the following steps: according to the invention, the cooling liquid in the cooling liquid circulation mechanism is driven to circulate continuously, after the cooling liquid absorbs the heat of the gas flame, the flame can be cooled to a certain degree, so that the local high temperature of the flame is avoided, the reaction degree of oxygen and nitrogen is reduced, the emission of nitrogen oxides is reduced, and meanwhile, after the cooling liquid absorbing the heat circulates to the inner side of the air inlet cylinder, the heat can be emitted to heat the pumped air, the thermal movement of air molecules is improved, the collision frequency of the air molecules and the gas molecules is improved, so that the mixing degree of the air molecules and the gas molecules is further improved, the gas combustion is more stable, the uniformity is better, the local high temperature is avoided, and the emission of the nitrogen oxides is further reduced.
And two,: according to the invention, the auxiliary radiating pipe and the two waste heat radiating devices at the two ends of the auxiliary radiating pipe are used for further radiating heat of the flowing cooling liquid, so that the radiating efficiency of the cooling liquid is improved, and the cooling liquid can be ensured to stably absorb the flame temperature of the combustion gas.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present invention;
fig. 4 is a schematic cross-sectional view of a main radiating pipe according to the present invention;
FIG. 5 is a schematic diagram of a waste heat dissipating device according to the present invention;
FIG. 6 is an enlarged schematic view of the structure of FIG. 5B according to the present invention;
FIG. 7 is a schematic diagram of a distribution structure of a plurality of U-shaped heat exchange tubes according to the present invention;
Fig. 8 is a schematic cross-sectional view of a secondary radiating pipe according to the present invention;
FIG. 9 is a schematic view of an arrangement of four helical blades according to the present invention;
FIG. 10 is a schematic view of a disassembled structure of four helical blades according to the present invention.
Reference numerals:
1. A blower; 2. an air inlet cylinder; 3. an air outlet pipe; 5. a combustion nozzle; 6. a first blade; 7. a second blade; 101. a liquid outlet ring; 102. a liquid inlet ring; 103. a main radiating pipe; 104. taking over the pipe a; 105. taking over b; 106. a circulation pump; 107. c, connecting pipe; 108. an auxiliary radiating pipe; 109. taking over the d; 110. u-shaped heat exchange tubes; 111. a helical blade; 112. an inner heat collecting plate; 113. an outer heat dissipation plate; 114. an expansion piston; 115. a compression spring; 201. a gas ring; 202. a branch pipe; 203. a gas nozzle; 204. a fuel gas inlet pipe; 301. an air duct; 302. a motor; 303. a fan blade; 304. a water storage tank; 305. a filling pipe; 306. a centrifugal push plate; 307. a water outlet pipe; 308. a water-absorbing cotton; 309. a baffle; 310. and a water outlet hole.
Detailed Description
The following detailed description of the present invention clearly and fully describes the technical solutions of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a low-nitrogen energy-saving energy-gathering burner by improving the energy-saving energy-gathering burner, which has the following technical scheme:
As shown in fig. 1 to 10, the embodiment of the invention provides a low-nitrogen energy-saving energy-gathering burner, which comprises a blower 1, wherein an air outlet of the blower 1 is connected with an air inlet tube 2, the tail end of the air inlet tube 2 is connected with an air outlet tube 3, the tail end of the air outlet tube 3 is connected with a plurality of combustion spray tubes 5, and a heat circulation mechanism is arranged between the air inlet tube 2 and the air outlet tube 3; the heat circulation mechanism comprises a circulation pump 106, a liquid outlet ring 101 and a liquid inlet ring 102 which are fixed on the outer side of the air outlet pipe 3, and a main radiating pipe 103 which is fixed inside the air inlet pipe 2, wherein two ends of the main radiating pipe 103 are connected with a connecting pipe a104 and a connecting pipe b105 which extend to the outer side of the air inlet pipe 2, a liquid outlet end of the circulation pump 106 is communicated with the connecting pipe a104, a liquid inlet end of the circulation pump 106 is communicated with the inner side of the liquid outlet ring 101 through a connecting pipe c107, one end of the connecting pipe b105 is connected with an auxiliary radiating pipe 108, one end of the auxiliary radiating pipe 108 is communicated with the inner side of the liquid inlet ring 102 through a connecting pipe d109, a plurality of U-shaped heat exchange pipes 110 are arranged between the liquid outlet ring 101 and the liquid inlet ring 102, and two waste heat radiating devices are symmetrically arranged at two ends of the auxiliary radiating pipe 108.
Further, each U-shaped heat exchange tube 110 is located at one side of each combustion nozzle 5, and two ends of each U-shaped heat exchange tube 110 are respectively communicated with the inside of the liquid outlet ring 101 and the liquid inlet ring 102;
The flame generated by the combustion spray pipe 5 uniformly contacts with the U-shaped heat exchange tube 110, and the heat of the flame is conducted to the cooling liquid in the U-shaped heat exchange tube 110, so that the local temperature of the flame is effectively reduced, and the generation of nitrogen oxides is reduced.
Further, four spiral blades 111 are circumferentially arranged on the outer side of the main radiating pipe 103;
The spiral gaps are formed among the four spiral blades 111, so that the travel of air flowing through the air inlet barrel 2 can be greatly prolonged, and meanwhile, the contact area between the spiral blades 111 and the air can be increased, so that heat of the main radiating pipe 103 and the spiral blades 111 can be more efficiently conducted to the air, the air is preheated, and the mixing efficiency of the air and fuel gas is improved.
Further, a gas ring 201 is fixed at a position of the inner side of the air inlet barrel 2 close to the connecting pipe a104, a gas inlet pipe 204 extending to the outer part of the air inlet barrel 2 is inserted at the outer side of the gas ring 201, branch pipes 202 are communicated at the inner side of the gas ring 201 corresponding to the end positions of each helical blade 111, and a plurality of gas spray heads 203 are arranged at equal intervals on one side of each branch pipe 202;
The gas is introduced into the inner side of the gas ring 201 through the gas inlet pipe 204, then uniformly flows into the inner sides of the four branch pipes 202, finally flows into the inner side of the air inlet cylinder 2 through the gas spray nozzles 203 at one side of each branch pipe 202, and after the air flows out from the gaps between the spiral blades 111, the air collides with the gas flowing out from the gas spray nozzles 203 at the corresponding positions, and preliminary mixing is performed, because the position of each branch pipe 202 corresponds to one end of each spiral blade 111.
Further, a plurality of inner heat collecting plates 112 arranged in a circumference are fixed to the inner side of the main radiating pipe 103;
The inner heat collecting plate 112 increases the contact area of the main radiating pipe 103 and the coolant, and improves the conduction efficiency of the coolant heat to the main radiating pipe 103.
Further, a plurality of first blades 6 and second blades 7 which are arranged in a circumference manner are fixed at the position, close to the air outlet pipe 3, of the inner side of the air inlet cylinder 2, the plurality of first blades 6 and the plurality of second blades 7 are arranged in a crossed manner, and the plurality of first blades 6 and the plurality of second blades 7 are mutually perpendicular;
The mixed gas sequentially collides with the plurality of first blades 6 and the plurality of second blades 7, and as the first blades 6 and the second blades 7 are arranged in a crossed manner and the plurality of first blades 6 and the plurality of second blades 7 are mutually perpendicular, the mixed gas and the plurality of first blades 6 and the plurality of second blades 7 can collide for a plurality of times, so that the mixed gas is further mixed, and air molecules and gas molecules are mixed more uniformly.
Further, expansion pistons 114 are slidably arranged at both ends of the inner side of the auxiliary radiating pipe 108, and the two expansion pistons 114 are respectively and elastically connected with both ends of the inner side of the auxiliary radiating pipe 108 through compression springs 115;
After the cooling liquid is heated, a certain expansion is generated, and the expansion force of the cooling liquid can push the two expansion pistons 114 to move towards two ends, and the two compression springs 115 are respectively compressed, so that the pressure in the pipeline of the heat circulation mechanism is kept stable, and the pipeline is prevented from bursting.
Further, a plurality of outer heat dissipation plates 113 arranged in a circumference are fixed to the outer side of the sub heat dissipation tube 108;
The outer heat dissipation plate 113 is used to increase the contact area between the auxiliary heat dissipation pipe 108 and the outside air, and to improve the heat dissipation efficiency of the auxiliary heat dissipation pipe 108.
Further, the waste heat dissipation device comprises a motor 302 fixed at the tail end of the auxiliary heat dissipation tube 108, an air duct 301 is fixed at the outer side of the motor 302, a plurality of fan blades 303 are fixed at the outer side of the driving end of the motor 302, and a spraying mechanism is arranged at the tail end of the driving end of the motor 302;
The motor 302 of the waste heat dissipation device operates to drive the fan blades 303 to rotate, the fan blades 303 rotate to pump external air into the inner side of the air duct 301, and under the guiding action of the air duct 301, high-speed flowing air flows through the surfaces of the auxiliary heat dissipation tube 108 and the outer heat dissipation plate 113, so that the dissipation speed of hot air on the surfaces of the auxiliary heat dissipation tube 108 and the outer heat dissipation plate 113 is increased.
Further, the spraying mechanism comprises a water storage tank 304 fixed at the tail end of the driving end of the motor 302, a filling pipe 305 is arranged at one end of the water storage tank 304, a plurality of centrifugal push plates 306 are fixed at the inner side of the water storage tank 304, a plurality of water outlet pipes 307 which are circumferentially arranged are arranged at the outer side of the water storage tank 304, absorbent cotton 308 is arranged at the inner side of each water outlet pipe 307, a baffle 309 is arranged at one end of the inner side of each water outlet pipe 307, and a plurality of water outlet holes 310 are formed in each baffle 309;
The filling pipe 305 of the spraying mechanism is used for filling cooling water into the inner side of the water storage tank 304 of the spraying mechanism, the spraying mechanism is driven to integrally rotate when the driving end of the motor 302 rotates, the cooling water is permeated into the inner side of the absorbent cotton 308 under the action of centrifugal force, the cooling water is split into fine water droplets through the plurality of water outlets 310 in the baffle 309 and then is thrown outwards, the thrown water droplets cover the surfaces of the auxiliary radiating pipe 108 and the outer radiating plate 113 along with high-speed air flow, the radiating efficiency of the auxiliary radiating pipe 108 and the outer radiating plate 113 is further improved, and the radiating efficiency of the cooling liquid is further improved, so that the flame temperature of the combustion gas can be stably absorbed by the cooling liquid.
Working principle: when the air conditioner is used, the air blower 1 is operated to pump air into the inner side of the air inlet cylinder 2, the air pumped into the air inlet cylinder 2 flows to one end of the air inlet cylinder 2 along the spiral gaps among the four spiral blades 111, meanwhile, fuel gas is introduced into the inner side of the fuel gas ring 201 through the fuel gas inlet pipe 204 and uniformly flows into the inner side of the four branch pipes 202, finally, the air flows into the inner side of the air inlet cylinder 2 through the fuel gas spray heads 203 on one side of each branch pipe 202, as the position of each branch pipe 202 corresponds to one end of each spiral blade 111 respectively, after the air flows out from the gaps among the spiral blades 111, the air collides with the fuel gas flowing out from the fuel gas spray heads 203 at the corresponding positions, primary mixing is carried out, then, the mixed gas continuously flows, and sequentially collides with the first blades 6 and the second blades 7, and the mixed gas is mutually perpendicular to each other between the first blades 6 and the second blades 7, so that the mixed gas and the first blades 6 and the second blades 7 can collide for a plurality of times, further mixing is carried out, after the air molecules and the fuel gas are mixed uniformly, the fuel gas can be fully combusted, the fuel gas can flow into the air conditioner is discharged through the air conditioner 5 through the air inlet pipe 5, the air conditioner is fully combusted, and the air conditioner is discharged through the air inlet pipe 5;
The gas outlet on one side of each combustion nozzle 5 generates high temperature when being combusted, each U-shaped heat exchange tube 110 of the heat circulation mechanism is positioned on one side of each combustion nozzle 5, so that gas flame on one side of the combustion nozzle 5 heats the U-shaped heat exchange tube 110, cooling liquid is filled in the main heat exchange tube 103, the connecting tube a104, the connecting tube b105, the connecting tube c107, the auxiliary heat exchange tube 108, the connecting tube d109 and the U-shaped heat exchange tube 110, the gas flame heats the cooling liquid in the plurality of U-shaped heat exchange tubes 110, the circulating pump 106 is operated to pump the high-temperature cooling liquid in the plurality of U-shaped heat exchange tubes 110 to the inner side of the liquid outlet ring 101, then the high-temperature cooling liquid is pumped to the inner side of the main heat exchange tube 103 through the connecting tube c107 and the connecting tube a104, when the high-temperature cooling liquid flows through the inner side of the main heat exchange tube 103, heat is conducted to the main heat exchange tube 103 and the plurality of helical blades 111 on the outer side of the main heat exchange tube, so that the temperature of the high-temperature cooling liquid is reduced, meanwhile, the plurality of spiral blades 111 radiate heat into the air flowing through the plurality of spiral blades 111, heat the flowing air, improve the thermal motion of air molecules, improve the collision frequency of molecules, further improve the mixing degree of air molecules and gas molecules, ensure that the gas combustion is more stable and better in uniformity, avoid local high temperature, thereby better reducing the emission of nitrogen oxides, the cooling liquid radiates heat and flows into the auxiliary radiating pipe 108 through the connecting pipe b105 at the other end of the main radiating pipe 103, then flows into the liquid inlet ring 102 through the connecting pipe d109, finally flows back to the inner side of each U-shaped heat exchange pipe 110 uniformly through the liquid inlet ring 102, and continuously and circularly flows along with the continuous circulation of the cooling liquid by the heat circulation mechanism, so that the temperature of the gas combustion flame can be continuously transferred, the temperature of the flame is effectively reduced, and the emission of the nitrogen oxides is further reduced, the environmental protection performance of the burner is improved;
After the cooling liquid flows out from the main radiating pipe 103 and then flows into the inner side of the auxiliary radiating pipe 108, a certain amount of waste heat is stored in the cooling liquid, the waste heat can be conducted to the auxiliary radiating pipe 108 and the outer radiating plate 113 on the outer side of the auxiliary radiating pipe 108, the cooling liquid is further cooled through the auxiliary radiating pipe 108 and the outer radiating plate 113, meanwhile, motors 302 of two waste heat radiating devices at two ends of the auxiliary radiating pipe 108 operate to drive a plurality of fan blades 303 to rotate, the fan blades 303 rotate to pump external air into the inner side of the air duct 301, under the guiding effect of the air duct 301, the air flowing at high speed flows through the surfaces of the auxiliary radiating pipe 108 and the outer radiating plate 113, and the radiating speed of the hot air on the surfaces of the auxiliary radiating pipe 108 and the outer radiating plate 113 is increased, so that the radiating speed of the heat in the auxiliary radiating pipe 108 and the outer radiating plate 113 is increased;
Meanwhile, cooling water is filled into the inner side of a water storage tank 304 of the spraying mechanism through a filling pipe 305 of the spraying mechanism, the spraying mechanism is driven to integrally rotate when the driving end of a motor 302 rotates, a centrifugal push plate 306 in the spraying mechanism can drive the cooling water to rotate at a high speed, the cooling water rotating at a high speed generates larger centrifugal force, the cooling water permeates into the inner side of a water absorbing cotton 308 under the action of the centrifugal force, the cooling water is split into fine water drops through a plurality of water outlet holes 310 in a baffle 309 and is thrown outwards, the thrown water drops cover the surfaces of the auxiliary radiating pipe 108 and the outer radiating plate 113 along with high-speed air flow, and therefore the radiating efficiency of the auxiliary radiating pipe 108 and the outer radiating plate 113 is further improved, and the radiating efficiency of the cooling liquid is further improved, so that the cooling liquid can be ensured to stably absorb flame temperature of combustion gas.
The previous description is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The low-nitrogen energy-saving energy-gathering burner comprises a blower (1), wherein an air outlet of the blower (1) is connected with an air inlet cylinder (2), the tail end of the air inlet cylinder (2) is connected with an air outlet pipe (3), and the tail end of the air outlet pipe (3) is connected with a plurality of combustion spray pipes (5), and the low-nitrogen energy-saving energy-gathering burner is characterized in that a heat circulation mechanism is arranged between the air inlet cylinder (2) and the air outlet pipe (3);
The heat circulation mechanism comprises a circulation pump (106), a liquid outlet ring (101) and a liquid inlet ring (102) which are fixed on the outer side of the air outlet pipe (3), and a main radiating pipe (103) which is fixed inside the air inlet pipe (2), wherein two ends of the main radiating pipe (103) are connected with a connecting pipe a (104) and a connecting pipe b (105) which extend to the outer side of the air inlet pipe (2), a liquid outlet end of the circulation pump (106) is communicated with the connecting pipe a (104), a liquid inlet end of the circulation pump (106) is communicated with the inner side of the liquid outlet ring (101) through a connecting pipe c (107), one end of the connecting pipe b (105) is connected with a secondary radiating pipe (108), one end of the secondary radiating pipe (108) is communicated with the inner side of the liquid inlet ring (102) through a connecting pipe d (109), a plurality of U-shaped heat exchange pipes (110) are arranged between the liquid outlet ring (101) and the liquid inlet ring (102), and two ends of the secondary radiating pipe (108) are symmetrically provided with two waste heat radiating devices.
2. A low nitrogen energy saving energy gathering burner as set forth in claim 1 wherein: each U-shaped heat exchange tube (110) is located at one side of each combustion spray tube (5) respectively, and two ends of each U-shaped heat exchange tube (110) are communicated with the inside of the liquid outlet ring (101) and the inside of the liquid inlet ring (102) respectively.
3. A low nitrogen energy saving energy gathering burner as set forth in claim 1 wherein: four spiral blades (111) which are circumferentially arranged are arranged on the outer side of the main radiating pipe (103).
4. A low nitrogen energy saving energy concentrating burner according to claim 3 wherein: the gas inlet pipe (204) extending to the outside of the air inlet pipe (2) is inserted in the outer side of the gas ring (201), branch pipes (202) are communicated at the end positions of the inner side of the gas ring (201) corresponding to each helical blade (111), and a plurality of gas spray heads (203) are arranged at equal intervals on one side of each branch pipe (202).
5. A low nitrogen energy saving energy concentrating burner according to claim 3 wherein: a plurality of inner heat collecting plates (112) which are circumferentially arranged are fixed on the inner side of the main radiating pipe (103).
6. A low nitrogen energy saving energy gathering burner as set forth in claim 1 wherein: the inside of an air inlet cylinder (2) is close to a position of an air outlet pipe (3) and is fixedly provided with a plurality of first blades (6) and second blades (7) which are circumferentially arranged, the first blades (6) and the second blades (7) are alternately arranged, and the first blades (6) and the second blades (7) are mutually perpendicular.
7. A low nitrogen energy saving energy gathering burner as set forth in claim 1 wherein: expansion pistons (114) are slidably arranged at the two ends of the inner side of the auxiliary radiating pipe (108), and the two expansion pistons (114) are respectively and elastically connected with the two ends of the inner side of the auxiliary radiating pipe (108) through compression springs (115).
8. A low nitrogen energy saving energy gathering burner as set forth in claim 1 wherein: a plurality of outer radiating plates (113) which are circumferentially arranged are fixed on the outer side of the auxiliary radiating tube (108).
9. The low nitrogen energy saving energy gathering burner as set forth in claim 8, wherein: the waste heat dissipation device comprises a motor (302) fixed at the tail end of the auxiliary radiating pipe (108), an air duct (301) is fixed at the outer side of the motor (302), a plurality of fan blades (303) are fixed at the outer side of the driving end of the motor (302), and a spraying mechanism is arranged at the tail end of the driving end of the motor (302).
10. The low nitrogen energy saving energy gathering burner as set forth in claim 9, wherein: the spraying mechanism comprises a water storage tank (304) fixed at the tail end of a driving end of a motor (302), a filling pipe (305) is arranged at one end of the water storage tank (304), a plurality of centrifugal pushing plates (306) are fixed on the inner side of the water storage tank (304), a plurality of water outlet pipes (307) which are circumferentially arranged are arranged on the outer side of the water storage tank (304), absorbent cotton (308) is arranged on the inner side of each water outlet pipe (307), a baffle (309) is arranged at one end of the inner side of each water outlet pipe (307), and a plurality of water outlet holes (310) are formed in each baffle (309).
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| CN202410530168.7A CN118189161B (en) | 2024-04-29 | 2024-04-29 | Low-nitrogen energy-saving energy-gathering combustor |
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| CN202410530168.7A CN118189161B (en) | 2024-04-29 | 2024-04-29 | Low-nitrogen energy-saving energy-gathering combustor |
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| CN118189161A true CN118189161A (en) | 2024-06-14 |
| CN118189161B CN118189161B (en) | 2024-08-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| Publication number | Publication date |
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| CN118189161B (en) | 2024-08-20 |
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