CN205480916U - Vertical natural circulation condensation boiler body for boiler - Google Patents
Vertical natural circulation condensation boiler body for boiler Download PDFInfo
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- CN205480916U CN205480916U CN201620117454.1U CN201620117454U CN205480916U CN 205480916 U CN205480916 U CN 205480916U CN 201620117454 U CN201620117454 U CN 201620117454U CN 205480916 U CN205480916 U CN 205480916U
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Abstract
The utility model discloses a vertical natural circulation condensation boiler body for boiler, include furnace and the flue gas chamber that is located the radial outside of furnace, be equipped with the exhanst gas outlet on the external circumferential wall in flue gas chamber, leave the flue gas entry on the interior circumference wall in flue gas chamber, the angle of deflecting between exhanst gas outlet and flue gas enter the mouth is greater than 90 degrees, and the upper and lower both ends in flue gas chamber are equipped with annular collection case and lower annular collection case respectively, go up between annular collection case and the lower annular collection case, through concentrating rise tube bank and common downcomer bundle intercommunication, common downcomer restraints including the common downcomer of round along flue gas chamber circular, concentrate and rise the tube bank including two rings at the common downcomer beam diameter to the inboard, the coaxial concentrated tedge of arranging of circumference along the flue gas chamber, it all leaves just to the exhanst gas outlet to concentrate ascending outer lane of restraining and common downcomer to restraint, the flue gas discharge clearance of vertical setting, the inner circle that it rises to concentrate restrained is equipped with and just enters the mouth to the flue gas, the flue gas of vertical setting gets into the clearance.
Description
Technical field
This utility model relates to a kind of vertical Natural Circulation condensing boiler boiler body.
Background technology
At present, gas fired-boiler is broadly divided into horizontal boiler and vertical boiler.Horizontal boiler mainly uses gas radiation and parallel baffled to carry out heat exchange, and heat exchange efficiency is relatively low, needs to arrange a large amount of heat-transfer surface.Part vertical gas boiler takes parallel baffled, result in exhaust gas temperature too high or because the boiler body temperature that causes of a large amount of heat-transfer surfaces is higher, another part vertical gas boiler then uses the form of transversal flow, but what in boiler body, water circulation was taked is forced circulation, causes often having booster phenomenon to occur.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of vertical Natural Circulation condensing boiler boiler body is provided, it expands burner hearth, the swept area of Heat Transfer in Furnace is greatly improved, accelerate flue gas flow rate and improve the speed of convection heat transfer' heat-transfer by convection, the danger of booster is there is, so that the operation of vertical Natural Circulation condensing boiler is more stable in greatly reducing this boiler body.
A kind of technical scheme realizing above-mentioned purpose is: a kind of vertical Natural Circulation condensing boiler boiler body, including burner hearth and the flue gas chamber being positioned at described burner hearth radial outside, the outer circle wall in described flue gas chamber is provided with exhanst gas outlet, and the inner peripheral wall in described flue gas chamber leaves smoke inlet；
Between described exhanst gas outlet and described smoke inlet, the angle of deflection is more than 90 degree, described flue gas chamber be respectively arranged at two ends with annular header and lower annular header up and down；
Between described upper annular header and described lower annular header, tube bank and common downcomer Shu Liantong is risen by concentrating, described common downcomer bundle includes the circle common downcomer along described flue gas chamber circumference, described concentration rises tube bank and includes that two circles are at described common downcomer bundle radially inner side, along the concentration tedge that the circumference in described flue gas chamber is coaxially arranged, the described outer ring concentrating rising tube bank and described common downcomer Shu Jun leave just to described exhanst gas outlet, the flue gas delivery space being vertically arranged, the described inner ring concentrating rising tube bank is provided with just to described smoke inlet, the flue gas being vertically arranged enters gap.
Further, between described exhanst gas outlet and described smoke inlet, the angle of deflection is 180 degree.
Further, it is provided with the most a set of water separator in described upper annular header, described water separator includes steam-water separation sheet group, described steam-water separation sheet group includes some steam-water separation sheets arranged in parallel along the diametric(al) of described upper annular header, forms steam-water separation passage between the described steam-water separation sheet that any two panels is adjacent.
Further, the two ends of described steam-water separation sheet group are provided with fixing bar fixing in annular header on described for described steam-water separation sheet group.
Further, the two ends of described fixing bar are respectively fixing end and free end, and the outer circle wall of described fixing end and described upper annular header is fixed.
Further, every steam-water separation sheet in described steam-water separation sheet group is all obliquely installed, described steam-water separation sheet is near the height of the outer circle wall side of described upper annular header, higher than the described steam-water separation sheet height near the inner peripheral wall side of described upper annular header.
Have employed one of the present utility model vertical Natural Circulation condensing boiler boiler body, including burner hearth and the flue gas chamber being positioned at described burner hearth radial outside, the outer circle wall in described flue gas chamber is provided with exhanst gas outlet, and the inner peripheral wall in described flue gas chamber leaves smoke inlet；Between described exhanst gas outlet and described smoke inlet, the angle of deflection is more than 90 degree, described flue gas chamber be respectively arranged at two ends with annular header and lower annular header up and down；Between described upper annular header and described lower annular header, tube bank and common downcomer Shu Liantong is risen by concentrating, described common downcomer bundle includes the circle common downcomer along described flue gas chamber circumference, described concentration rises tube bank and includes that two circles are at described common downcomer bundle radially inner side, along the concentration tedge that the circumference in described flue gas chamber is coaxially arranged, the described outer ring concentrating rising tube bank and described common downcomer Shu Jun leave just to described exhanst gas outlet, the flue gas delivery space being vertically arranged, the described inner ring concentrating rising tube bank is provided with just to described smoke inlet, the flue gas being vertically arranged enters gap.It has the technical effect that it expands burner hearth, the swept area of Heat Transfer in Furnace is greatly improved, accelerate flue gas flow rate and improve the speed of convection heat transfer' heat-transfer by convection, the danger of booster occurring, so that the operation of vertical Natural Circulation condensing boiler is more stable in greatly reducing this boiler body.
Accompanying drawing explanation
Fig. 1 is the front view of vertical Natural Circulation condensing boiler.
Fig. 2 is the left view of vertical Natural Circulation condensing boiler.
Fig. 3 is the top view of vertical Natural Circulation condensing boiler.
Fig. 4 is the front view of a kind of vertical Natural Circulation condensing boiler boiler body of the present utility model.
Fig. 5 is the top view of a kind of vertical Natural Circulation condensing boiler boiler body of the present utility model.
Fig. 6 is the top view of soft-drink-preparing equipment in a kind of vertical Natural Circulation condensing boiler boiler body of the present utility model.
Fig. 7 is the front view of the burner of vertical Natural Circulation condensing boiler.
Fig. 8 is the front view of the burner of kind of vertical Natural Circulation condensing boiler.
Fig. 9 is the front view of the energy-saving appliance of vertical Natural Circulation condensing boiler.
Figure 10 is the cut-away view of the energy-saving appliance of vertical Natural Circulation condensing boiler.
Figure 11 is the right figure of the energy-saving appliance of vertical Natural Circulation condensing boiler.
Figure 12 is the fundamental diagram of the energy-saving appliance of vertical Natural Circulation condensing boiler.
Detailed description of the invention
Referring to Fig. 1, inventor of the present utility model is in order to enable preferably to understand the technical solution of the utility model, below by specifically embodiment, and combines accompanying drawing and is described in detail:
Referring to Fig. 1, one of the present utility model vertical Natural Circulation condensing boiler, including boiler body 1, boiler body 1 is divided into the burner hearth 11 and flue gas chamber 12 being coaxially disposed.The outer circle wall in flue gas chamber 12 is provided with exhanst gas outlet 13.Flue gas chamber 12 be respectively arranged at two ends with annular header 16 and lower annular header 17 up and down.By concentrating rising tube bank 14 to connect with common downcomer bundle 15 between upper annular header 16 and lower annular header 17.Wherein, common downcomer bundle 15 is made up of along the common downcomer of the circumference in flue gas chamber 12 circle, concentrates and rises tube bank 14 and concentrated tedges to form by two circles that the circumference along flue gas chamber 12 is coaxially arranged.Common downcomer bundle 15 is positioned at concentrates the radial outside rising tube bank 14, wherein concentrates the outer ring of rising tube bank 14 and common downcomer bundle 15 all to leave just to exhanst gas outlet 13, discharges from exhanst gas outlet 13 for flue gas, the flue gas delivery space being vertically arranged.Leaving smoke inlet 121 on the inner peripheral wall in flue gas chamber 12, concentrate the inner ring rising tube bank 14 to be provided with just to smoke inlet 121, make flue gas enter flue gas chamber 12, the flue gas being vertically arranged enters gap.Between exhanst gas outlet 13 and smoke inlet 121, the angle of deflection is less than or equal to 180 degree more than 90 degree.
So purpose of design is: define ω transversal flow Natural Circulation in flue gas chamber 12, upper annular header 16 and lower annular header 17 correspondence are positioned at common downcomer bundle 15 and concentrate the two ends up and down rising tube bank 14, so that common downcomer bundle 15 and the two ends up and down concentrating rising to restrain 14 are drawn in, and form annular arrangement.This design expands burner hearth 11, and the swept area of the heat transfer of burner hearth 11 is greatly improved, the flow velocity of flue gas in quickening boiler body 1, and improves the speed of convection heat transfer' heat-transfer by convection.Fume balanced ground is separated in concentrating rising tube bank 14, then the exhanst gas outlet 13 at rear portion is flowed to, and steam water interface is after the water separator 18 in upper annular header 16 separates, water is flow to lower annular header 17 by common downcomer bundle 15, form Natural Circulation, the steam steam (vapor) outlet 161 from upper annular header 16 top is discharged, it is achieved the steam-water separation in boiler body 1.
Flue gas is concentrated by two circles concentrating rising tube bank 14 in flue gas chamber 12 and is passed through between tedges, two circles rising tube bank 14 are concentrated to concentrate tedge because by flue gas transversal flow heat exchange, internal water heat volumetric expansion, density diminishes and rises to annular header 16, and the water of lower annular header 17 flows to annular header 16 by concentrating rising tube bank 14.Common downcomer bundle 15 is owing to being not directly contacted with flue gas, and water flows to lower annular header 17 via upper annular header 16, forms Natural Circulation.
Wherein, being disposed with the most a set of water separator 18 in upper annular header 16, often set water separator 18 includes steam-water separation sheet group 181, and often set steam-water separation sheet group 181 includes some steam-water separation sheets arranged in parallel along the diametric(al) of upper annular header 16.Steam-water separation passage is formed between any two pieces of adjacent steam-water separation sheets.Steam-water separation sheet group 181 be respectively arranged at two ends with a fixing bar 182, make steam-water separation sheet group 181 fixing in upper annular header 16.The two ends of fixing bar 182 are respectively fixing end and free end, and the fixing fixing end of bar 182 is fixed with the outer circle wall of upper annular header 16.Every piece of steam-water separation sheet in steam-water separation sheet group 181 is all in tilted layout simultaneously, in the present embodiment, the height near upper annular header 16 outer circle wall side of the every piece of steam-water separation sheet in steam-water separation sheet group 181 is higher than its height near upper annular header 16 inner peripheral wall side.So purpose of design is advantageously in the circulation in boiler body 1 of its aqueous mixtures.
The principle of water separator 18 is similar to the impeller in steam turbine, after steam passes through from the steam-water separation passage of water separator 18, flowing out boiler body 1 from the steam (vapor) outlet 161 at the top of upper annular header 16, the water separated is back in lower annular header 17 from common downcomer bundle 15.This water separator 18 makes vertical gas boiler need not install the outer water separator of independent stove, and good separation, it is also possible to obtain the steam of high-quality.This water separator 18, greatly reduces the floor space of boiler.Comparing the outer water separator of stove, separating effect is more preferable, obtains more preferable steam quality.
In sum, boiler body 1 is concentrated by multitube transversal flow and is risen tube bank 14, this condensing boiler, while the operational efficiency of existing horizontal gas-fired boiler can be reached, solve the problems such as horizontal gas-fired boiler floor space is big, water capacity is big, solve the technical problems such as the operation stability of vertical boiler, operational efficiency, the outer steam-water separation of stove the most well.
Additionally, be designed with heat-insulation layer 19 inside and outside the flue gas chamber 12 of boiler body 1.
The top of burner hearth 11 is provided with the burner 2 for flame in burner hearth 11.Burner 2 includes mixed fan housing 21, premixer 22 and the bellows 23 the most sequentially coaxially arranged.Wherein scribble fire resistant coating on the inwall of premixer 22 and mixed fan housing 21.
Wherein bellows 23 are fixed on the top of burner hearth 11, premixer 22 and mixed fan housing 21 and stretch into burner hearth 11.Connecting on the outer circle wall of bellows 23 and have horizontally disposed combustion air blast pipe 24, combustion air blast pipe 24 is provided with the air door regulation servomotor 241 being vertically arranged.The center of bellows 23 end face is plugged with a vertical main fuel gas inlet pipe 25, and main fuel gas inlet pipe 25 is a bend pipe, is divided into the horizontal segment being positioned at outside bellows 23 and stretches into the vertical section of premixer 22 and mixed fan housing 21 straight down.A premixed swirl device 26 being vertically arranged it is provided with between vertical section and the combustion air blast pipe 24 of main fuel gas inlet pipe 25.The top of premixed swirl device 26 is fixed with bellows 23, and bottom is stretched into mixed fan housing 21, i.e. premixed swirl device 26 straight down and is off setting in bellows 23.Being provided with the burning torch 27 stretching into burner 2 from bellows 23 end face straight down between premixed swirl device 26 and combustion air blast pipe 24, mixed fan housing 21 is stretched in the bottom of burning torch 27, and higher than the bottom of premixed swirl device 26.The bottom of burning torch 27 is provided with flame holder 271.It is additionally provided with one piece of vertical deflection plate 231 with combustion air blast pipe 24 junction in bellows 23.Also it is plugged with ion bar 232, reflective flame-observing hole 233 and lighter 234, lighter 234 junction point firelock 27 on the end face of bellows 23 simultaneously.
Burner 2; by lighter 234 and burning torch 27 automatic ignition; by combustion air blast pipe 24 automatic blowing before igniting; fire defector and blowout protection is carried out by burning torch 27; carry out blast protection, combustion gas high-low pressure, burnt gas valve leak detection by main fuel gas inlet pipe 25, thus ensure the safe operation of burner 2.Burner 2 is provided with connection air door regulation servomotor 241, main fuel gas inlet pipe 25 and the PID controller (not shown) of burning torch 27, realize the two-part of fuel and air distribution is dynamically regulated, realize the accurate regulation of burning load regulation and flame, and follow the trail of the heating-up temperature in boiler, it is achieved the energy-conserving and environment-protective of burning.
Burner 2 uses the admission pressure of main fuel gas inlet pipe 25 to be 8-15kPa, it is 4-7kPa blower fan 4 that combustion air blast pipe 24 connects aspiration pressure, can effectively overcome burner hearth 11 high back pressure, prevent that burner hearth 11 back pressure is too high causes heat supply not enough and burner hearth 11 surge, it is ensured that the even running of whole boiler.Premixed swirl device 26 is off arranging in bellows 23, effectively raises burner hearth 11 thermal efficiency, extends fire stroke, it is to avoid imperfect combustion, can adapt to greatest extent burner hearth 11 less time needs.Described PID controller uses full-automatic proportion adjustment, beneficially timing monitoring, interlock protection, and intelligent operation adjusts with automatic, has stopped maloperation, has prevented accident potential to occur, it is ensured that the safe handling of whole boiler.Burner 2 uses the air through air preheater preheating to carry out combustion-supporting, and the thermal efficiency of boiler can be made to improve further.Scribbling fire resistant coating on the inwall of premixer 22 and mixed fan housing 21, can effectively strengthen the heat intensity of boiler body 1 and the adpting flange of bellows 23 junction, extend the use cycle of this boiler boiler, burner 2 is suitable for vertical and horizontal installation product simultaneously.Burner 2 achieves 90% partly-premixed burning of air and combustion gas by premixed swirl device 26 and described PID controller, can effectively reduce the discharge of nitrogen oxides.
The afterbody of boiler is provided with energy-saving appliance 3, and energy-saving appliance 3 in the vertical direction is divided into flue gas cooling chamber 31 and the superposed hotair chamber 32 being positioned at bottom, is separated by gas baffle 33 between flue gas cooling chamber 31 and hotair chamber 32.The bottom of hotair chamber 32 connects air intake passage 321, and air-out passage 322 connecting fan 4 is passed through on top, and blower fan 4 connects the combustion air blast pipe 24 of burner 2, and the combustion air entering burner 2 is preheated by hotair chamber 32.
The center of gas baffle 33 is one piece of comb plate, comb joint 34, and comb plate, comb joint 34 is fixed with a vertical heat exchanger 35, and heat exchanger 35 includes some gravity-type heat exchanger tubes 351 being vertically arranged, and every gravity-type heat exchanger tube 351 all runs through comb plate, comb joint 34.Therefore heat exchanger 35 is divided into two parts by comb plate, comb joint 34, and wherein top half is positioned at hotair chamber 32, and the latter half is positioned at flue gas cooling chamber 31.
The circumferential wall of flue gas cooling chamber 31 is provided with off-gas recovery mouth 311 and fume emission mouth 312.Off-gas recovery mouth 311 connects the exhanst gas outlet 13 of boiler body 1.
Condensation heating surface 36 and non-condensing heating surface 37 it is provided with in flue gas cooling chamber 31.Wherein condensation heating surface 36 is between heat exchanger 35 and fume emission mouth 312, and non-condensing heating surface 37 is between heat exchanger 35 and off-gas recovery mouth 311.
Wherein, condensation heating surface 36 includes bottom first header 362, intermediate header 363 and top header 364 bottom header 361, second.If being provided with first time condensation hoop fin tube layer 365 of dried layer level bottom first between header 361 and intermediate header 363, if being provided with second time condensation hoop fin tube layer 366 of dried layer level bottom second between header 361 and intermediate header 363, if being equipped with the upper condensation hoop fin tube layer 367 of dried layer level between intermediate header 363 and top header 364.
Every layer of first time condensation hoop fin tube layer 365 and every layer of upper condensation hoop fin tube layer 367 all have the condensation hoop finned tube that quantity is equal and arranged in parallel, adjacent first time condenses hoop fin tube layer 365, and adjacent upper condensation hoop fin tube layer 367 is all that staggered floor is arranged.nullBottom first between header 361 and first time condensation hoop fin tube layer 365 of lowermost end，Between first time adjacent condensation hoop fin tube layer 365，Between intermediate header 363 and first time condensation hoop fin tube layer 365 of top，Between intermediate header 363 and the upper condensation hoop fin tube layer 367 of lowermost end，Between adjacent upper condensation hoop fin tube layer 367，All by connecting with the condensation bend pipe 368 condensing hoop finned tube quantity equal in 367 or arbitrary first times condensation hoop fin tube layer 365 of arbitrary upper condensation hoop fin tube layer between top header 364 and the upper condensation hoop fin tube layer 367 of top，With condensing in arbitrary first time condensation hoop fin tube layer 365 or arbitrary, hoop fin tube layer 367 condenses the warm water flow channels that hoop finned tube quantity is equal to be formed between top header 364 with header bottom first 361，The warm water in this warm water flow channels flow direction in adjacent first time condensation hoop fin tube layer 365 of any two-layer or upper condensation hoop fin tube layer 367 that arbitrarily two-layer is adjacent is contrary，So extend warm water flow process in condensation heating surface 36，Realize the abundant heat exchange with flue gas.And first time condensation hoop fin tube layer 365 that arbitrarily two-layer is adjacent, and the upper condensation hoop fin tube layer 367 that arbitrarily two-layer is adjacent is all that staggered floor is arranged, condensation bend pipe 368 is made to be obliquely installed, the most also can extend the length of condensation bend pipe 368, thus extend warm water flow process in condensation heating surface 36 further.In the present embodiment, the quantity of this warm water flow channels is three.
Every layer of second time condensation hoop fin tube layer 366 all has the condensation hoop finned tube that quantity is equal and arranged in parallel, and second time condensation hoop fin tube layer 366 of adjacent two-layer is that staggered floor is arranged.Bottom second between header 362 and second time condensation hoop fin tube layer 366 of lowermost end, between second time adjacent condensation hoop fin tube layer 366, all connected by the condensation bend pipe 368 equal with hoop finned tube quantity in arbitrary second time condensation hoop fin tube layer 366 between intermediate header 363 with the second of top time condensation hoop fin tube layer 366, condense, in arbitrary second time condensation hoop fin tube layer 366, the warm water flow channels that hoop finned tube quantity is equal to be formed between header 362 and intermediate header 363 bottom second, warm water flow direction in second time condensation hoop fin tube layer 366 that any two-layer is adjacent is contrary, so extend warm water flow process in condensation heating surface 36, realize the abundant heat exchange with flue gas.And second time condensation hoop fin tube layer 366 that arbitrarily two-layer is adjacent is also that staggered floor is arranged, make condensation bend pipe 368 be obliquely installed, the most also can extend the length of condensation bend pipe 368, thus extend warm water flow process in condensation heating surface 36 further.In the present embodiment, the quantity of this warm water flow channels is four.
The bottom of condensation heating surface 36 is provided with condensed water base.
Non-condensing heating surface 37 includes the first header 371 and the second header 372.First header 371 is positioned at the top of the second header 372.If being provided with the non-condensing hoop fin tube layer 373 of dried layer level between the first header 371 and the second header 372.nullEvery layer of non-condensing hoop fin tube layer 373 is equipped with the non-condensing hoop finned tube that quantity is equal and arranged in parallel，Between the non-condensing hoop fin tube layer 373 of the second header 372 and lowermost end，Between the two-layer non-condensing hoop fin tube layer 373 of arbitrary neighborhood，All connected by the non-condensing bend pipe 374 equal with non-condensing hoop finned tube quantity in arbitrary non-condensing hoop fin tube layer 373 between non-condensing hoop fin tube layer 373 and first header 371 of top，To form the hot water flow channels equal with non-condensing hoop finned tube quantity in arbitrary non-condensing hoop fin tube layer 373 between the second header 372 and the first header 371，Hot water flow direction in the two-layer non-condensing hoop fin tube layer 373 of arbitrary neighborhood is contrary，So extend hot water flow process in non-condensing heating surface 37，Realize the abundant heat exchange with flue gas.And the non-condensing hoop fin tube layer 373 that arbitrarily two-layer is adjacent is also staggered floor layout.Make non-condensing bend pipe 374 be obliquely installed, the most also can extend the length of non-condensing bend pipe 374, thus extend hot water flow process in non-condensing heating surface 37 further.In the present embodiment, the quantity of this hot water flow channels is three.
The bottom of non-condensing heating surface 37 is provided with non-condensing water tube base.
Bottom first, bottom header 361 and second, the entrance point of header 362 connects 5 water pumps, and bottom first, bottom header 361 and second, the warm water in header 362, along warm water flow channels, flows up through intermediate header 363, eventually enters into top header 364.Top header 364 connects the second header 372, warm water in top header 364 enters the second header 372, warm water in second header 372 is along the hot water flow channels in non-condensing heating surface 37, flow upwardly into the first header 371 and entered flue gas and be heated to be hot water further, first header 371 connects the lower annular header 17 of boiler body 1, and the hot water in the first header 371 flows into the lower annular header 17 of boiler body 1.
Wherein, the condensation hoop finned tube employed in condensation heating surface 36 should be higher than that the non-condensing hoop finned tube employed in non-condensing heating surface 37 and the corrosion resistance of non-condensing bend pipe with the corrosion resistance of condensation bend pipe.This is because the water temperature ratio in condensation heating surface 36 is relatively low, condensation heating surface 36 produces a large amount of condensed waters with the smoke contacts of low temperature, selects resistant material.Water in non-condensing heating surface 37 has carried out heat exchange with high-temperature flue gas and water temperature is higher, and non-condensing heating surface 37 contacts with high-temperature flue gas and will not produce any condensate corrosion phenomenon, can use the steel of less expensive.After water is further heated in non-condensing heating surface 37, enter the lower annular header 17 of boiler body 1.
By non-condensing heating surface 37, heat exchanger 35 and the combination of condensation heating surface 36, being both possible to prevent energy-saving appliance 3 to corrode, safety and reliability simultaneously, service life is longer.
The gravity-type heat exchanger tube 351 of heat exchanger 35 utilize from non-condensing heating surface 37 flue gas heat in hotair chamber 32 cold air heat after, make again heated after enter burner 2 by blower fan 4, the wall temperature that the character of gravity-type heat exchanger tube 351 itself determines gravity-type heat exchanger tube 351 is higher, it is to avoid condensation occur on gravity-type heat exchanger tube 351.
Energy-saving appliance 3, heating simultaneously enters temperature and the inflow temperature of the air of burner 2, solve the defect that conventional vertical gas boiler only heats the temperature of the air entering burner 2 breakthroughly, maximize and reclaim heat, also solve the shortcomings such as the single condensation of tradition horizontal gas-fired boiler reclaims that the rolled steel dosage that caused is excessive and floor space is big.
Energy-saving appliance 3 is air preheater, is again flue gas cooling device, is also into water heater.
A kind of Natural Circulation condensing boiler of the present utility model also includes base 7, platform staircase 71 and switch board 6.
Those of ordinary skill in the art will be appreciated that, above embodiment is intended merely to this utility model is described, and it is not used as to restriction of the present utility model, as long as in spirit of the present utility model, change, the modification of embodiment described above all will be fallen in Claims scope of the present utility model.
Claims (6)
1. a vertical Natural Circulation condensing boiler boiler body, including burner hearth and the flue gas chamber being positioned at described burner hearth radial outside, the outer circle wall in described flue gas chamber is provided with exhanst gas outlet, the inner peripheral wall in described flue gas chamber leaves smoke inlet；It is characterized in that:
Between described exhanst gas outlet and described smoke inlet, the angle of deflection is more than 90 degree, described flue gas chamber be respectively arranged at two ends with annular header and lower annular header up and down；
Between described upper annular header and described lower annular header, tube bank and common downcomer Shu Liantong is risen by concentrating, described common downcomer bundle includes the circle common downcomer along described flue gas chamber circumference, described concentration rises tube bank and includes that two circles are at described common downcomer bundle radially inner side, along the concentration tedge that the circumference in described flue gas chamber is coaxially arranged, the described outer ring concentrating rising tube bank and described common downcomer Shu Jun leave just to described exhanst gas outlet, the flue gas delivery space being vertically arranged, the described inner ring concentrating rising tube bank is provided with just to described smoke inlet, the flue gas being vertically arranged enters gap.
One the most according to claim 1 vertical Natural Circulation condensing boiler boiler body, it is characterised in that: between described exhanst gas outlet and described smoke inlet, the angle of deflection is 180 degree.
One the most according to claim 1 vertical Natural Circulation condensing boiler boiler body, it is characterized in that: in described upper annular header, be provided with the most a set of water separator, described water separator includes steam-water separation sheet group, described steam-water separation sheet group includes some steam-water separation sheets arranged in parallel along the diametric(al) of described upper annular header, forms steam-water separation passage between the described steam-water separation sheet that any two panels is adjacent.
One the most according to claim 3 vertical Natural Circulation condensing boiler boiler body, it is characterised in that: the two ends of described steam-water separation sheet group are provided with fixing bar fixing in annular header on described for described steam-water separation sheet group.
One the most according to claim 4 vertical Natural Circulation condensing boiler boiler body, it is characterised in that: the two ends of described fixing bar are respectively fixing end and free end, and the outer circle wall of described fixing end and described upper annular header is fixed.
One the most according to claim 3 vertical Natural Circulation condensing boiler boiler body, it is characterized in that: every steam-water separation sheet in described steam-water separation sheet group is all obliquely installed, described steam-water separation sheet is near the height of the outer circle wall side of described upper annular header, higher than the described steam-water separation sheet height near the inner peripheral wall side of described upper annular header.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620117454.1U CN205480916U (en) | 2016-02-05 | 2016-02-05 | Vertical natural circulation condensation boiler body for boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620117454.1U CN205480916U (en) | 2016-02-05 | 2016-02-05 | Vertical natural circulation condensation boiler body for boiler |
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| Publication Number | Publication Date |
|---|---|
| CN205480916U true CN205480916U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620117454.1U Active CN205480916U (en) | 2016-02-05 | 2016-02-05 | Vertical natural circulation condensation boiler body for boiler |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107781800A (en) * | 2016-08-31 | 2018-03-09 | 上海扬诺锅炉制造有限公司 | A kind of multipurpose exempts from the vertical water-tube Natural Circulation steam boiler of pot inspection |
| CN110207086A (en) * | 2019-06-25 | 2019-09-06 | 江苏科诺锅炉有限公司 | Circulating condensing boiler |
-
2016
- 2016-02-05 CN CN201620117454.1U patent/CN205480916U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107781800A (en) * | 2016-08-31 | 2018-03-09 | 上海扬诺锅炉制造有限公司 | A kind of multipurpose exempts from the vertical water-tube Natural Circulation steam boiler of pot inspection |
| CN110207086A (en) * | 2019-06-25 | 2019-09-06 | 江苏科诺锅炉有限公司 | Circulating condensing boiler |
| CN110207086B (en) * | 2019-06-25 | 2024-03-08 | 江苏科诺锅炉有限公司 | Circulation condensing boiler |
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Address after: 201114 Room 101 and 201, 4 building, 138 new Chun Ring Road, Minhang District, Shanghai. Patentee after: SHANGHAI INDUSTRIAL BOILER RESEARCH INSTITUTE Co.,Ltd. Address before: 200071 Shanghai city Zhabei District Baochang Road No. 297 Patentee before: SHANGHAI INDUSTRIAL BOILER Research Institute |
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