CN101290110B - Boiler - Google Patents
Boiler Download PDFInfo
- Publication number
- CN101290110B CN101290110B CN2008100933427A CN200810093342A CN101290110B CN 101290110 B CN101290110 B CN 101290110B CN 2008100933427 A CN2008100933427 A CN 2008100933427A CN 200810093342 A CN200810093342 A CN 200810093342A CN 101290110 B CN101290110 B CN 101290110B
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- China
- Prior art keywords
- heat
- water pipe
- inboard
- transfer pipe
- fin
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
- F24H1/40—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes
- F24H1/403—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes the water tubes being arranged in one or more circles around the burner
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B21/00—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically
- F22B21/02—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially straight water tubes
- F22B21/04—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially straight water tubes involving a single upper drum and a single lower drum, e.g. the drums being arranged transversely
- F22B21/06—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially straight water tubes involving a single upper drum and a single lower drum, e.g. the drums being arranged transversely the water tubes being arranged annularly in sets, e.g. in abutting connection with drums of annular shape
- F22B21/065—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially straight water tubes involving a single upper drum and a single lower drum, e.g. the drums being arranged transversely the water tubes being arranged annularly in sets, e.g. in abutting connection with drums of annular shape involving an upper and lower drum of annular shape
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B21/00—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically
- F22B21/34—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from water tubes grouped in panel form surrounding the combustion chamber, i.e. radiation boilers
- F22B21/348—Radiation boilers with a burner at the top
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/10—Water tubes; Accessories therefor
- F22B37/101—Tubes having fins or ribs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
- F24H1/40—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes
- F24H1/406—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes the tubes forming a membrane wall
Abstract
The invention provides a boiler having a plurality of heat-transfer tubes arranged between the upper tube collecting piece and lower tube collecting piece in cylindrical shape to compose the heat-transfer tubes array; a plurality of vertical fins not connecting the heat-transfer tubes but blocking the clearance between the heat-transfer tubes except an end at upper and lower direction of the heat-transfer tubes or a part of circumferential direction.
Description
Technical field
The present invention relates to comprise the various boilers of steam boiler, Lukewarm water boiler, heating agent boiler and waste heat boiler and exhaust-gas boiler.Be particularly related to the multibarrel boiler that possesses tank body, this tank body has with cylindric arrangement and with the vertical fin in a plurality of vertical heat-transfer pipe that links between upper header part and the lower header part and the gap that is located at adjacent vertical heat-transfer pipe on the circumferential at least a portion with a plurality of vertical heat-transfer pipes of cylindric arrangement.
The application advocates priority 2007-112228 number to the Japan's special permission application that proposes on April 20th, 2007, quotes its content here.
Background technology
As multibarrel boiler, known have open clear 62-155401 communique the spy (hurdle, the 19th row～lower-left, the 3rd page of upper left hurdle the 14th row, Fig. 1～Fig. 3) and spy open disclosed structure in the 2004-225944 communique.In the tank body of this boiler, between upper header part that forms with ring-type and lower header part, be provided with a plurality of water pipes.These a plurality of water pipes upwards disposed with inside and outside double concentric circles in the week of upper header part and lower header part.The a plurality of water pipes that constitute inboard water pipe row are called inboard water pipe, a plurality of water pipes that constitute the water pipe row in the outside are called outside water pipe.On each inboard water pipe, be provided with from the vertical fin in the inboard that the upper header part extends downwards, on each outside water pipe, be provided with from the vertical fin in the outside that the lower header part extends upward.
In the boiler that possesses such tank body, with the inside of inboard water pipe row as the combustion chamber, between inboard water pipe row are listed as with outside water pipe as the burning gases stream.And the combustion chamber is communicated with the burning gases stream via the inboard water pipe gap each other that is formed on the part that inboard vertical fin is not set in the bottom of inboard water pipe row.In addition, the burning gases stream is communicated with flue via the outside water pipe gap each other that is formed on the part that the vertical fin in the outside is not set on the top of outside water pipe row.
If make fuel combustion in the combustion chamber, to produce flame from the burner that is arranged on tank body top, then burning gases are in the counter-rotating of the bottom of combustion chamber, water pipe row by the inboard are mobile upward with the burning gases stream between the water pipe row in the outside, discharged to flue from tank body top as exhaust.During this period, the hydrothermal exchange in burning gases and each water pipe heats the water in each water pipe thus.
In tank body in the past, for example as the spy open express in the clear 62-155401 communique, the both ends of the width of inboard vertical fin are welded on respectively on the outer peripheral face of adjacent inboard water pipe.That is, adjacent inboard water pipe links via the vertical fin in inboard each other.
Open in the clear 62-155401 communique like that openly as the spy, under the adjacent inboard water pipe situation that vertical fin links via the inboard each other, the both sides of vertical fin are restrained, so can not avoid inboard water pipe that the burning in the combustion chamber brings and the thermal expansion of indulging fin.Particularly, inboard water pipe produces higher thermal stress owing to burning gas temperature is higher.
In order to relax such thermal stress, open in the 2004-225944 communique in the invention disclosed the spy, make the height and position difference of the bottom of the vertical fin in adjacent inboard.But in the case, the situation that the both ends of the width of inboard vertical fin are welded on respectively on the outer peripheral face of adjacent inboard water pipe does not change yet, and does not realize not being used for the basic solution that thermal stress relaxes.And, because varying in size of fin indulged in the inboard, so can not realize the generalization of parts.
And then in any prior art, the both ends of the width of inboard vertical fin all are welded on respectively on the outer peripheral face of adjacent inboard water pipe, so number becomes many easily during the Welder.And, for the both ends that all will indulge fin in arbitrary water pipe inboard, the outside is listed as are welded on the outer peripheral face of water pipe, need at first inboard water pipe and outside water pipe are being set between upper header part and the lower header part, follow and on inboard water pipe and outside water pipe, weld vertical fin respectively.Thereby, can not constitute the vertical fin of the inboard water pipe of inboard water pipe row from stove outside welding, can not constitute the vertical fin of the outside water pipe of outside water pipe row from the inboard welding welding of stove.As a result, can not water pipe and vertical fin is integrated securely, thereby from vertical fin to having room for improvement aspect the conductivity of heat of water pipe and the installation strength.
Summary of the invention
The thermal stress that the problem to be solved in the present invention is an abirritation on water pipe and vertical fin and realize the parts of inboard vertical fin generalization, tank body assembling operation improvement, from vertical fin to the improvement of the conductivity of heat of water pipe, vertical fin improvement to the installation strength of water pipe.
First technical scheme of boiler of the present invention possesses: a plurality of heat-transfer pipes, be arranged between upper header part and the lower header part with cylindric, and constitute the heat-transfer pipe row; A plurality of vertical fins are except an end of the above-below direction of above-mentioned heat-transfer pipe or a circumferential part, that adjacent above-mentioned heat-transfer pipe is connected to each other and above-mentioned heat-transfer pipe gap is each other stopped up.
According to first technical scheme of boiler of the present invention, because can't help to indulge fin each other, adjacent heat-transfer pipe links, so can relax the thermal stress that on heat-transfer pipe and vertical fin, produces.And, because adjacent heat-transfer pipe gap each other is by vertical fin obstruction, so can prevent the short pass (short pass) of burning gases.
In first technical scheme of boiler of the present invention, also can be, above-mentioned heat-transfer pipe is listed as by a plurality of two fin heat transfer pipes and a plurality of non-finned heat-transfer pipe and constitutes, the mode that described two fin heat transfer pipes stop up with the gap of each heat-transfer pipe that will be adjacent with both sides is provided with above-mentioned vertical fin in both sides, described non-finned heat-transfer pipe is not provided with above-mentioned vertical fin; Alternate configurations alternately between one of above-mentioned a plurality of two fin heat transfer pipes and above-mentioned a plurality of non-finned heat-transfer pipe; The combustion chamber of the inboard of above-mentioned heat-transfer pipe row is communicated with via the part that above-mentioned vertical fin is not set in an end of the above-below direction of above-mentioned heat-transfer pipe row with the burning gases stream in the outside of above-mentioned heat-transfer pipe row.
According to first technical scheme of boiler of the present invention, because by constituting heat-transfer pipe and be listed as alternately arranging alternately between one of two fin heat transfer pipes and non-finned heat-transfer pipe, so can make the parts generalization, and can improve assembling operation.In addition, also can after fixing vertical fin on the heat-transfer pipe, be configured between upper header part and the lower header part, so the operation raising when assembling.And, be not only the stove outside, also can on heat-transfer pipe, weld vertical fin in advance in the stove inboard.Thereby not only vertical fin improves to the installation strength of heat-transfer pipe, because heat-transfer pipe and vertical fin are integrated securely, so also can improve from the conductivity of heat of vertical fin to heat-transfer pipe.
In first technical scheme of boiler of the present invention, also can be, above-mentioned heat-transfer pipe is listed as by a plurality of single fin heat transfer pipes and constitutes, and described single fin heat transfer pipe is provided with above-mentioned vertical fin in the mode that will stop up with the gap of one-sided adjacent heat-transfer pipe one-sided; The combustion chamber of the inboard of above-mentioned heat-transfer pipe row is communicated with via the part that above-mentioned vertical fin is not set in an end of the above-below direction of above-mentioned heat-transfer pipe row with the burning gases stream in the outside of above-mentioned heat-transfer pipe row.
According to first technical scheme of boiler of the present invention, owing to constitute the heat-transfer pipe row by being arranged in order single fin heat transfer pipe, thus can make the parts generalization, and can improve assembling operation.In addition, also can after fixing vertical fin on the heat-transfer pipe, be configured between upper header part and the lower header part, so the operation raising when assembling.And, be not only the stove outside, also can on heat-transfer pipe, weld vertical fin in advance in the stove inboard.Thereby not only vertical fin improves to the installation strength of heat-transfer pipe, and because vertical fin and heat-transfer pipe are integrated securely, so also can improve from the conductivity of heat of vertical fin to heat-transfer pipe.
In first technical scheme of boiler of the present invention, also can be that above-mentioned vertical fin is the size of adjacent above-mentioned heat-transfer pipe gap each other being stopped up by the thermal expansion that burning gases or exhaust bring.
According to first technical scheme of boiler of the present invention, adjacent heat-transfer pipe gap is each other stopped up by thermal expansion owing to indulge fin, so can prevent the short pass of burning gases more reliably.
Second technical scheme of boiler of the present invention possesses a plurality of heat-transfer pipes of disposed adjacent and is located at vertical fin between the adjacent above-mentioned heat-transfer pipe; One end of above-mentioned vertical fin is fixed on of adjacent above-mentioned heat-transfer pipe, and the thermal expansion that the burning of the other end of above-mentioned vertical fin by fuel in the combustion chamber brings is with another butt of adjacent heat-transfer pipe.
According to second technical scheme of boiler of the present invention, because adjacent heat-transfer pipe is each other by vertical fin binding, so can relax the thermal stress that produces on heat-transfer pipe or vertical fin.And adjacent heat-transfer pipe gap is each other stopped up reliably by the thermal expansion of vertical fin on the part that is provided with vertical fin.
According to boiler of the present invention, can the thermal stress of abirritation on vertical fin and heat-transfer pipe.In addition, can realize inboard vertical fin component generalization, tank body assembling operation improvement, from vertical fin to the improvement of the conductivity of heat of heat-transfer pipe, vertical fin improvement to the installation strength of heat-transfer pipe.
Description of drawings
Fig. 1 is the summary longitudinal section of the embodiment 1 of expression boiler of the present invention.
Fig. 2 is the II-II cutaway view of Fig. 1.
Fig. 3 amplifies the summary sectional elevation of expression with the part of the inboard water pipe row of the boiler of Fig. 1, when representing the cold conditions of boiler.
Fig. 4 amplifies the summary sectional elevation of expression with the part of the inboard water pipe row of the boiler of Fig. 1, when representing the burning of boiler.
Fig. 5 amplifies the summary sectional elevation of expression with the part of the inboard water pipe row of the boiler of Fig. 1, and expression is configured in state on the straight line that the center of adjacent inboard water pipe is connected to each other with the vertical fin in the inboard of two fin water pipes.
Fig. 6 amplifies the summary sectional elevation of expression with the part of the outside water pipe row of the boiler of Fig. 1.
Fig. 7 is the summary sectional elevation of variation of inboard water pipe row of the boiler of presentation graphs 1.
Fig. 8 is the summary longitudinal section of the embodiment 2 of expression boiler of the present invention.
Fig. 9 is the summary sectional elevation of the embodiment 3 of expression boiler of the present invention.
The specific embodiment
Then, embodiments of the present invention are described.
Boiler of the present invention is not particularly limited its kind, for example is steam boiler, Lukewarm water boiler, heating agent boiler, waste heat boiler or exhaust-gas boiler.Under which kind of situation, boiler all is a multitubularboiler, typically the small-sized through-flow boiler of multitube.
Particularly, boiler possess and have the upper header part, lower header part and with the tank body of a plurality of heat-transfer pipes of being connected between upper header part and the lower header part.Upper header part and lower header part are separated up and down and configuration abreast, are the circular of hollow respectively.A plurality of heat-transfer pipes are configuration vertically all, is configured between upper header part and the lower header part.That is, the upper end of each heat-transfer pipe is connected on the upper header part, and the bottom is connected on the lower header part.Each heat-transfer pipe by along the circumferential array of upper header part and lower header part between upper header part and lower header part, constitute heat-transfer pipe cylindraceous and be listed as.
Heat-transfer pipe row are not limited to row, also can be two row or three row or more than it.For example, tank body possesses inboard heat-transfer pipe row and outside heat-transfer pipe row.In the case, inboard heat-transfer pipe is listed as by constituting with the cylindric a plurality of inboard heat-transfer pipe that is arranged between upper header part and the lower header part.In addition, outside heat-transfer pipe is listed as by constituting with the cylindric a plurality of outsides heat-transfer pipe that is arranged between upper header part and the lower header part, surrounds inboard heat-transfer pipe row.Heat-transfer pipe is classified as under a plurality of situations, and each heat-transfer pipe is listed as with the concentric circles tubular and arranges.
Tank body seals a side of above-below direction usually, and is provided with burner the opposing party of above-below direction.Like this, the inside that is arranged in the most inboard heat-transfer pipe row becomes the combustion chamber, can make fuel combustion to produce flame from burner in this combustion chamber.But under the situation of waste heat boiler or exhaust-gas boiler, tank body seals a side of above-below direction, and the opposing party of above-below direction peristome is set, and exhaust is imported in the boiler from this peristome.That is, under the situation of waste heat boiler or exhaust-gas boiler, exhaust is imported in the space of the inside that is arranged in the most inboard heat-transfer pipe row.Under which kind of situation, the peripheral part of tank body is all covered by the tank body cover.
The tank body cover is to surround each heat-transfer pipe row and be located at parts cylindraceous between upper header part and the lower header part.Seamlessly sealed between the upper end of tank body cover and the upper header part, also seamlessly sealed between the bottom of tank body cover and the lower header part.On the tank body cover, be connected with flue.From the burning gases (being exhaust under the situation of waste heat boiler or exhaust-gas boiler) of combustion chamber with each heat-transfer pipe in after heating agent (water etc.) heat exchange of flowing, discharged from flue as exhaust.
Burning gases circulate in space between outside heat-transfer pipe row and the inboard heat-transfer pipe row and the space between heat-transfer pipe row and the tank body cover by set path, so that effectively carry out with the heat exchange of heating agent mobile in heat-transfer pipe.Perhaps, by set path, circulate in space between outside heat-transfer pipe row and inboard heat-transfer pipe row or any of the space between heat-transfer pipe row and the tank body cover.In order to stipulate this path, the inboard that is used for except an end of its above-below direction or a circumferential part, will adjacent inboard heat-transfer pipe gap each other stops up also can be set in part or all inboard heat-transfer pipe row indulge fin.And then, list the vertical fin in the outside that is provided with except an end of its above-below direction or a circumferential part, adjacent outside heat-transfer pipe gap is each other stopped up at part or all outside heat-transfer pipe.
Here, the vertical fin of part or all is provided with in mode that adjacent above-mentioned heat-transfer pipe is not connected to each other.As the structure that is used to realize this set, can enumerate three following embodiments.
In the first embodiment, heat-transfer pipe is listed as that a plurality of two fin heat transfer pipes and a plurality of non-finned heat-transfer pipe of alternate configurations constitute alternately between one.So-called two fin heat transfer pipes are to have the heat-transfer pipe of vertical fin stopping up with the gap of each heat-transfer pipe adjacent in both sides in both sides.So-called non-finned heat-transfer pipe is the heat-transfer pipe with vertical fin.The leading section of the vertical fin of two fin heat transfer pipes approaches the outer peripheral face setting of other heat-transfer pipes of adjacency.In the present embodiment, be provided with under the situation of vertical fin at the complete cycle that spreads all over the heat-transfer pipe row, if consider a plurality of two fin heat transfer pipes and a plurality of non-finned heat-transfer pipe alternately are provided with, then the heat-transfer pipe row preferably are made of even number root heat-transfer pipe.But,, then also can constitute the heat-transfer pipe row by odd number root heat-transfer pipe if a part is used single fin heat transfer pipe of narrating below.
In second embodiment, heat-transfer pipe is listed as by a plurality of single fin heat transfer pipes and constitutes.So-called single fin heat transfer pipe, be one-sided have vertical fin with will with the heat-transfer pipe that stops up in the gap of one-sided adjacent heat-transfer pipe.The leading section of the vertical fin of single fin heat transfer pipe approaches the outer peripheral face of other adjacent heat-transfer pipes and is provided with.
In the 3rd embodiment, heat-transfer pipe is listed as by a plurality of two fin heat transfer pipes and constitutes.In the case, the leading section of the vertical fin of two fin heat transfer pipes approaches the leading section setting of the vertical fin of other adjacent heat-transfer pipes.That is, two adjacent fin heat transfer pipes are configured to, and the leading section of vertical fin docks each other.
In which kind of embodiment, all thermal expansion is preferably the size of just in time adjacent heat-transfer pipe gap each other being stopped up to each vertical fin by burned gas heating.That is vertical fin was accompanied by the elongation of temperature rising when, the leading section that is located at vertical fin and adjacent heat-transfer pipe main body or the gap between its vertical fin were preferably and are substantially equal to the boiler running.Thus, in the first embodiment, the vertical fin of each of two fin heat transfer pipes is connected on the outer peripheral face of other adjacent heat-transfer pipes.In addition, in second embodiment, the vertical fin of single fin heat transfer pipe is connected on the outer peripheral face of other adjacent heat-transfer pipes.And then in the 3rd embodiment, the vertical fin of each of two fin heat transfer pipes is connected on the vertical fin of other adjacent two fin heat transfer pipes.
Under situation about the heat-transfer pipe of such structure row being applied in the inboard heat-transfer pipe row, the burning gases stream in the combustion chamber of the inboard of these heat-transfer pipe row and the outside of these heat-transfer pipe row is in above-below direction one end of these heat-transfer pipe row or circumferentially be communicated with via the part of indulging fin is not set on the part.
About two fin heat transfer pipes and single fin heat transfer pipe, also can form vertical fin and heat-transfer pipe main body, but common finned heat-transfer pipe constitutes the square rod of vertical fin, square rod is welded on the pipe forms by the axial arrangement along above-mentioned pipe on the outer peripheral face of the pipe that constitutes the heat-transfer pipe main body by extrusion molding.Which kind of, can after being set on the heat-transfer pipe main body, vertical fin be located between upper header part and the lower header part no matter be heat-transfer pipe.That is, when heat-transfer pipe being arranged between upper header part and the lower header part, be not only the heat-transfer pipe in the stove outside, can also will indulge on the heat-transfer pipe that fin is welded on the stove inboard in advance.Thus, not only installation strength improves, and because vertical fin quilt is integrated on heat-transfer pipe securely, so can also improve from the conductivity of heat of vertical fin to heat-transfer pipe.
Each the vertical fin that is located on two fin heat transfer pipes or the single fin heat transfer pipe is provided with highlightedly to the radial outside of heat-transfer pipe main body typically.At this moment, as long as be configured on the straight line that the center of adjacent heat-transfer pipe is connected to each other, just can adjacent heat-transfer pipe gap each other be stopped up with beeline.But, also each vertical fin can be staggered outside stove inboard or stove and is provided with.In addition, each vertical fin might not radially giving prominence to the heat-transfer pipe main body.
(embodiment 1)
Below, explain specific embodiment of the present invention based on accompanying drawing.
Fig. 1 is the summary longitudinal section of the embodiment 1 of expression boiler of the present invention, and Fig. 2 is its II-II cutaway view.The boiler 1 of present embodiment is the small-sized through-flow boiler of multitube that possesses tank body 2 cylindraceous.Tank body 2 possesses upper header part 3, lower header part 4 and a plurality of water pipes (heat-transfer pipe) 5,6 that are connected with lower header part 4 with cylindric arrangement, with upper header part 3.
A plurality of water pipes 5 vertically dispose, and the upper end of each water pipe 5 is connected on the upper header part 3, and the bottom is connected on the lower header part 4.Each water pipe 5 is by to circumferentially being arranged in order of upper header part 3 and lower header part 4, and constitutes to be water pipe row cylindraceous.On the other hand, a plurality of water pipes 6 are configuration vertically also, and the upper end of each water pipe 6 is connected on the upper header part 3, and the bottom is connected on the lower header part 4.Each water pipe 6 is by in the lateral upper header part 3 of each water pipe 5 and circumferentially being arranged in order of lower header part 4 with cylindric arrangement, constitutes to be water pipe row cylindraceous.In the present embodiment, inboard water pipe row 7 that constitute by a plurality of water pipes 5 and dispose with concentric circles by the outside water pipe row 8 that a plurality of water pipes 6 constitute.That is, outside water pipe row 8 surround the configuration of inboard water pipe row 7 ground.In addition, water pipe 5 is called inboard water pipe, water pipe outside water pipe 6 is called below.
On inboard water pipe row 7, be provided with inboard vertical fin 9, except the set zone of bottom, adjacent inboard water pipe 5 gap is each other stopped up.That is, adjacent inboard water pipe 5 gap is each other stopped up by inboard vertical fin 9 except the set zone of bottom.On the part that inboard vertical fin 9 is not set of inboard water pipe row 7, leave adjacent inboard water pipe 5 gap each other.This gap forms the interconnecting part that the inner space that is used for inboard water pipe row 7 is communicated with outer space (below be called interior row interconnecting part) 10.
Fig. 3 and Fig. 4 are the summary sectional elevations that the part of inboard water pipe row 7 is amplified expression, when Fig. 3 represents the cold conditions of boiler 1, when Fig. 4 represents the burning of boiler 1.As shown in Figure 3, a plurality of two fin water pipes 11 and a plurality of non-finned water pipe 12 of alternate configurations constitute inboard water pipe row 7 alternately between one.Two fin water pipes 11 are by the inboard water pipe 5 of the pipe shape that constitutes the water pipe main body with along radial direction water pipe 5 two side-prominent and the vertical fin 9 in two inboards that be provided with constitutes inwards.On the other hand, non-finned water pipe 12 is made of the inboard water pipe 5 of the pipe shape that forms the water pipe main body, and inboard vertical fin 9 is not set.
The inboard vertical fin 9 of each of two fin water pipes 11 is arranged to respectively, and the two fin water pipes 11 and the gap of two adjacent non-finned water pipes 12 in circumferential both sides are stopped up.Typically, two of two fin water pipes 11 the vertical fin 9 in inboard outstanding settings in the radial direction outside of water pipe 5 to the inside.At this moment, also the diametric(al) two side-prominent settings of each inboard vertical fin 9 to the inboard water pipe 5 that they are set also can be able to be located on the straight line that the center of adjacent inboard water pipe 5 is connected to each other.Perhaps, also each inboard vertical fin 9 can be staggered outside stove inboard or stove and is provided with.
Each inboard vertical fin 9 is made of the elongated bar of cross section rectangle, and it is parallel with the axis of inboard water pipe 5 to be configured to length direction.And, be connected at the base end part (width one end) that makes inboard vertical fin 9 under the state on the outer peripheral face of inboard water pipe 5 and be welded on (weld part 13) on the inboard water pipe 5.At this moment, if the both sides that fin 9 is welded on inboard water pipe 5 are simultaneously indulged in two inboards, then be difficult on inboard water pipe 5, warpage taking place.In addition, the base end part of each inboard vertical fin 9 the inboard of stove and the outside will and inboard water pipe 5 between spread all over the whole regional angle welding welding of length direction.Thus, inboard water pipe 5 is integrated securely with the vertical fin 9 in each inboard, thus can improve inboard vertical fin 9 installation strength of water pipe 5 to the inside, and fin 9 conductivity of heat of water pipe 5 is to the inside indulged in raising from the inboard.
Two fin water pipes 11 are configured to, and the leading section that makes two inboards that are welded on both sides indulge fin 9 approaches the outer peripheral face of adjacent non-finned water pipe 12.At this moment, according to circumstances, the leading section that also can make inboard vertical fin 9 is butt or only partly be connected on the outer peripheral face of non-finned water pipe 12 gently.Inboard vertical fin 9 was accompanied by the elongation α (with reference to Fig. 5) of the rising of temperature when here, the distance of the outer peripheral face of the leading section of each inboard vertical fin 9 and non-finned water pipe 12 was set at boiler 1 burning.For example, Fig. 5 is the figure that expression is configured in the vertical fin 9 in the inboard of two fin water pipes 11 state on the straight line that the center of adjacent inboard water pipe 5 is connected to each other.In the figure, be L if establishing adjacent inboard water pipe 5 gap each other is δ, establish the inboard width of indulging fin 9, then gap delta equates with L+ α.Here, the width L of inboard vertical fin 9 also has special qualification, but is preferably below the 10mm in order to prevent scaling loss, for example is set at 6mm.In addition, the normally about 50mm of the external diameter of inboard water pipe 5.
Under the situation of present embodiment, on inboard water pipe row 7, spread all over complete cycle and be provided with inboard vertical fin 9, except the set zone of bottom, adjacent inboard water pipe 5 is got jammed within each other.And, as mentioned above, inboard water pipe row 7 by with between 12 1 in two fin water pipes 11 and non-finned water pipe alternately alternate configurations constitute.Thereby inboard water pipe row 7 preferably are made of the inboard water pipe 5 of even number root.But,, then also can constitute inboard water pipe row 7 by the inboard water pipe of odd number root if a part is used single fin water pipe 14 described later (with reference to Fig. 7).
As present embodiment, between 12 1 in two fin water pipes 11 and non-finned water pipe alternately under the situation of alternate configurations, promptly under situation about adjacent inboard water pipe 5 not being welded to one another, the both sides that can be produced on inboard water pipe 5 have in advance been welded two fin water pipes 11 of two vertical fins 9 in inboard, this two fins water pipe 11 have been arranged between upper header part 3 and the lower header part 4.That is, when heat-transfer pipe being arranged between upper header part 3 and the lower header part 4, be not only, on the heat-transfer pipe of stove inboard, also can weld vertical fin in advance in the stove outside.Thus, not only installation strength improves, and on inboard water pipe 5 the vertical fin 9 in integrated securely inboard, so can improve from the inboard vertical fin 9 conductivity of heat of water pipe 5 to the inside.
On outside water pipe row 8, be provided with the vertical fin 15 in the outside, except the set zone of upper end, adjacent outside water pipe 6 gap is each other stopped up.That is, outside water pipe 6 gap is each other stopped up by the vertical fin 15 in the outside except the set zone of upper end.On the part that the vertical fin 15 in the outside is not set of outside water pipe row 8, leave adjacent outside water pipe 6 gap each other.This gap forms the interconnecting part that the inner space that is used for outside water pipe row 8 is communicated with outer space (below be called outer row interconnecting part) 16.
Fig. 6 is the summary sectional elevation that the part of outside water pipe row 8 is amplified expression.The outside water pipe row 8 and the inboard water pipe row 7 of present embodiment are same, and a plurality of two fin water pipes 11 and a plurality of non-finned water pipe 12 of alternate configurations constitute alternately between one.The vertical fin 15 in two outsides both sides of water pipe 6 outside being located at constitutes two fin water pipes 11 by the outside water pipe 6 of the pipe shape that forms the water pipe main body with along radial direction is outstanding.The vertical fin 15 in the outside is welded on the water pipe 6 of the outside with the main points identical with inboard water pipe row 7, but the width of the vertical fin 15 in the outside also can be bigger than the width of the vertical fin 9 in inboard.On the other hand, non-finned water pipe 12 is made of the outside water pipe 6 of the pipe shape that forms the water pipe main body, and the vertical fin 15 in the outside is not set.
Outside water pipe row 8 are also same with inboard water pipe row 7, can constitute, and the leading section of the thermal expansion that the burning by boiler 1 brings, the vertical fin 15 in two outsides that makes two fin water pipes 11 is connected on the outer peripheral face of the adjacent non-finned water pipe 12 in both sides.But, under the situation of outside water pipe row 8, also can after on the outer peripheral face that burning gases or exhaust sealing is connected in advance non-finned water pipe 12 at front end that will each vertical fin 15 in the outside by outside water pipe row 8, weld.
Outside water pipe row 8 are also same with inboard water pipe row 7, and the both sides that can be produced on outside water pipe 6 have in advance been welded two fin water pipes 11 of two vertical fins 15 in the outside, this two fins water pipe 11 is arranged between upper header part 3 and the lower header part 4.That is, when heat-transfer pipe being arranged between upper header part 3 and the lower header part 4, not only in the stove outside, on the heat-transfer pipe of stove inboard, also can weld vertical fin in advance.Thus, not only installation strength improves, and owing to integrated securely on outside water pipe 6 the vertical fin 15 in the outside is arranged, so can improve from the outside vertical fin 15 conductivity of heat of water pipe 6 laterally.As mentioned above, under for the situation on the outer peripheral face that burning gases or exhaust sealing is welded in advance non-finned water pipe 12 at front end that will each vertical fin 15 in the outside by outside water pipe row 8, as long as just can (as long as be provided with weld part 18 just can) from the welding of the stove outside.
On each inboard water pipe 5,, also can also be provided with from the outstanding inboard horizontal fin sheet of its outer peripheral face (diagram is omitted) according to hope.Each inboard horizontal fin sheet can be separated up and down and be provided with a plurality of on each inboard water pipe 5.In addition, each inboard horizontal fin sheet usually to the radial outside of each inboard water pipe 5 with flange shape extension setting.Equally, on each outside water pipe 6,, also can also be provided with from the outstanding outside horizontal fin sheet of its outer peripheral face (diagram is omitted) according to hope.Each outside horizontal fin sheet can be separated up and down and be provided with a plurality of on each outside water pipe 6.In addition, each outside horizontal fin sheet usually to the radial outside of each outside water pipe 6 with flange shape extension setting.At this moment, by making each horizontal fin sheet, burning gases are produced curl up stream with respect to the angle that horizontal direction tilts to wish.The having or not of the setting of horizontal fin sheet, setting area and the position is set, sheet number, shape and size etc. are set suitably set.
And then, between upper header part 3 and lower header part 4, be provided with tank body cover 17 cylindraceous, so that it surrounds outside water pipe row 8.Seamlessly sealed between the upper end of tank body cover 17 and the upper header part 3, also seamlessly sealed between the bottom of tank body cover 17 and the lower header part 4.Top at all sidewalls of tank body cover 17 is connected with flue 19.But outside water pipe row 8 can double as be the part of tank body cover 17 also.In the case, tank body cover 17 is set to, and its outside water pipe row 8 that will be provided with the part of the vertical fin 15 in the outside are connected with upper header part 3.
On the lower surface of upper header part 3, be provided with refractory part 20, make it cover upper header part 3 and the connecting portion of each inboard water pipe 5 and the connecting portion of upper header part 3 and each outside water pipe 6.On the upper surface of lower header part 4, also be provided with refractory part 20, it is covered and the connecting portion of each inboard water pipe 5 and the connecting portion of upper header part 3 and each outside water pipe 6.The refractory part 20 of lower header part 4 sides is set to, and the central portion of lower header part 4 is also stopped up.At the central portion of the refractory part 20 of lower header part 4 sides, be formed with the recess of cylindric or circular cone shape.
In illustrated example, on the bottom of each inboard water pipe 5, be formed with the minor diameter part 21 littler than other section diameters.Minor diameter part 21 is in order to guarantee that the flow of wishing is provided with by the burning gases of interior row interconnecting part 10.Thereby even minor diameter part 21 is not set, under can be with situation about guaranteeing by the burning gases of interior row interconnecting part 10 for the flow of hope, minor diameter part 21 not necessarily.The size of interior row interconnecting part 10 also exists with ... adjacent inboard water pipe 5 gap each other and inboard short transverse position of indulging the bottom of fin 9.So, also can replace minor diameter part 21 is set and the size of regulating them.In addition, in illustrated example, on the upper end of each outside water pipe 6, do not form minor diameter part 21, but can similarly form minor diameter part 21 yet with each inboard water pipe 5.
On the central portion of upper header part 3, be provided with towards below generation flame burning device 22.This burner 22 is supplied with fuel and supplied with combustion air.By making burner 22 actions, in tank body 2, carry out the burning of fuel.At this moment, the inboard of inboard water pipe row 7 is as combustion chamber 23 performance functions.
The burning gases that produce by the fuel combustion in the combustion chamber 23 via interior row interconnecting part 10 by burning gases stream 24 derivation between water pipe row 7 to the inside and the outside water pipe row 8.Then, these burning gases are discharged to the outside as exhaust via the flue 19 of outer row interconnecting part 16 and tank body cover 17.During this period, water in burning gases and each the inboard water pipe 5 and the hydrothermal exchange in each outside water pipe 6 heat the water in each water pipe thus.Heated water becomes steam, can take out from upper header part 3.The steam that is removed uses equipment (diagram is omitted) to transmit via moisture trap quilts such as (diagram are omitted) to steam.
In the present embodiment, on inboard water pipe row 7, be provided with inboard vertical fin 9, it is stopped up adjacent inboard water pipe 5 gap each other.On outside water pipe row 8, be provided with the vertical fin 15 in the outside, so that it stops up adjacent outside water pipe 6 gap each other.Thus, can realize burning gases water pipe 5 gap each other and the inflow in outside water pipe 6 gap each other to the inside, prevent that this gap from becoming dead space.And then, by the vertical fin 15 of the vertical fin 9 in inboard and the outside, can improve from the burning gases heat transfer efficiency of water pipe 5 and outside water pipe 6 to the inside.In addition, from the complete cycle of outside water pipe row 8 with radial burning gases are discharged after, via the gap of outside water pipe row 8 exhaust is guided to flue 19, so can in the circumferential whole zone of outside water pipe row 8, realize flowing of uniform exhaust with tank body cover 17.
Fig. 7 is the summary sectional elevation of the variation of the inboard water pipe row 7 of expression.As shown in Figure 7, inboard water pipe row 7 also can not be by between one alternately a plurality of two fin water pipes 11 and a plurality of non-finned water pipe 12 of alternate configurations constitute, and constitute by a plurality of single fin water pipe 14 of configuration successively.Single fin water pipe 14 is by the inboard water pipe 5 of the pipe shape that constitutes the water pipe main body with at the one-sided outstanding along radial direction of inboard water pipe 5 and the vertical fin 9 in an inboard that be provided with constitutes.Single fin water pipe 14 is configured to, and makes the leading section that is welded on the vertical fin 9 in an one-sided inboard approach the outer peripheral face of adjacent single fin water pipe 14.In the case, when the burning of boiler 1, inboard water pipe 5 gap is each other stopped up fully by the thermal expansion of the vertical fin 9 in inboard.
Inboard water pipe row 7 also can not be that the single fin water pipe 14 by configuration successively constitutes but is made of two fin water pipes 11 of configuration successively.In the case, two fin water pipes 11 are configured to, and the leading section of the vertical fin 9 in inboard of two adjacent with both sides respectively fin water pipes 11 of the leading section of the vertical fin 9 in two inboards that are welded on both sides is docked.In the case, when the burning of boiler 1, also inboard water pipe 5 gap is each other stopped up fully by the thermal expansion of the vertical fin 9 in inboard.
Such variation is not limited to inboard water pipe row 7, also can be applied to equally in the outside water pipe row 8.Water pipe row 8 double as are under the situation of tank body cover 17 in the outside, and the leading section of each vertical fin 15 in the outside is welded on adjacent other outside water pipes 6 and vertical fin 15 thereof too.In addition, under the situation of which variation, all be in that vertical fin 9 is welded on the inboard water pipe 5 or vertical fin 15 is welded on back on the water pipe 6 of the outside, is set between upper header part 3 and the lower header part 4 with the outside with the inboard, so the assembling operation raising, and can improve from conductivity of heat of each vertical fin 9,15 etc.
(embodiment 2)
Fig. 8 is the summary longitudinal section of the embodiment 2 of expression boiler of the present invention.The boiler of present embodiment 2 is also same with the boiler 1 of the foregoing description 1 basically.So, below be that the center describes with both different points, describe for the position identical Reference numeral of mark of correspondence.
In the boiler 1 of the foregoing description 1, row interconnecting part 10 on the bottom of inboard water pipe row 7, being provided with, row interconnecting part 16 outside the upper end of outside water pipe row 8 is provided with.Thus, flow into to burning gases stream 24, discharge to tank body cover 17 from the outer row interconnecting part 16 of the upper end of outside water pipe row 8 from the burning gases of the burner 22 on tank body 2 tops interior row interconnecting part 10 from the bottom of inboard water pipe row 7.On the other hand, in the boiler 1 of present embodiment 2, row interconnecting part 10 in the upper end of inboard water pipe row 7 is provided with, row interconnecting part 16 outside the bottom of outside water pipe row 8 is provided with.Thus, flow into to burning gases stream 24, discharged to tank body cover 17 by outer row interconnecting part 16 from the bottom of outside water pipe row 8 from the burning gases of the burner 22 on tank body 2 tops interior row interconnecting part 10 from the upper end of inboard water pipe row 7.
Under the situation of present embodiment 2, inboard at least water pipe row 7 are same with the foregoing description 1, by two fin water pipes 11 and the alternate configurations of non-finned water pipe 12 or the formations such as configuration successively of single fin water pipe 14 or two fin water pipes 11.And when the cold conditions of boiler 1, the leading section of inboard vertical fin 9 approaches adjacent inboard water pipe 5, when the burning of boiler 1, the gap of 5,5 in adjacent inboard water pipe is stopped up.Other structures and the foregoing description 1 are same, so omit explanation.
(embodiment 3)
Fig. 9 is the summary sectional elevation of the embodiment 3 of expression boiler of the present invention.The boiler of present embodiment 3 is also same with the boiler 1 of the foregoing description 1 grade basically.So, below be that the center describes with both different points, describe for the position identical Reference numeral of mark of correspondence.
In the various embodiments described above, row interconnecting part 10 on above-below direction one end (top or bottom) of inboard water pipe row 7, being provided with.In present embodiment 3, row interconnecting part 10 on the circumferential part of inboard water pipe row 7, being provided with.Promptly, in Fig. 9, in the set zone of all sides, a left side, inboard vertical fin 9 (according to circumstances also having inboard water pipe 5) is not set on inboard water pipe row 7, on other positions, the whole zone of above-below direction that spreads all over inboard water pipe 5,5 gap each other is provided with inboard vertical fin 9.
In addition, in the various embodiments described above, row interconnecting part 16 outside on above-below direction the other end (bottom or top) of outside water pipe row 8, being provided with.And in present embodiment 3, row interconnecting part 16 outside on circumferential another part of outside water pipe row 8, being provided with.That is, as shown in Figure 9, in the set zone of all sides, the right side, the vertical fin 15 in the outside (according to circumstances also having outside water pipe 6) is not set on outside water pipe row 8, on other positions, the whole zone of above-below direction that spreads all between the water pipe of the outside is provided with the vertical fin 15 in the outside.
In present embodiment 3, the position that is provided with inboard vertical fin 9 is also same with the foregoing description 1, by with between 12 1 in two fin water pipes 11 and non-finned water pipe alternately alternate configurations or single fin water pipe 14 or two fin water pipes 11 are disposed successively constitute.And when the cold conditions of boiler 1, the leading section of inboard vertical fin 9 approaches the adjacent inboard water pipe 5 in both sides, and when the burning of boiler 1, the inboard water pipe 5 that both sides are adjacent gap is each other stopped up.
Under the situation of present embodiment 3, between outside water pipe row 8 and the tank body cover 17, lean on the part of outer circumferential side by refractory part 20 and heat insulating member or their any obstruction than the vertical fin 15 in the outside.Thus, from the burning gases of combustion chamber 23 interior row interconnecting part 10 by a circumferential end (being the left side in Fig. 9), by the burning gases stream 24 of inboard water pipe row 7 with outside water pipe row 8, by from circumferential the other end the flue 19 of (being the right side among Fig. 9) discharge.Because the stream of such burning gases is horizontal ω shapes, so be called ω stream tank body.Other structures and the foregoing description 1 are same, so omit explanation.
Boiler 1 of the present invention is not limited to the structure of the various embodiments described above and can suitably changes.For example, in the various embodiments described above, be provided with inboard water pipe row 7 and outside water pipe row 8, but also can suitably increase and decrease the quantity of water pipe row.In addition, in the various embodiments described above, the bottom of tank body 2 is stopped up, burner 22 is located at the top of tank body 2, but also can in contrast the top of tank body 2 be stopped up, and burner 22 is located at the bottom of tank body 2.
In addition, in the various embodiments described above, to the example of boiler applications of the present invention in steam boiler is illustrated, but can be applied in too in Lukewarm water boiler and the heating agent boiler.And then, in the various embodiments described above, also can replace burner 22 is set and exhaust is imported to the inboard of inboard water pipe row 7, with boiler applications of the present invention in waste heat boiler or exhaust-gas boiler.
In addition, in the various embodiments described above, two fin water pipes 11 and single fin water pipe 14 are vertical fin (inboard vertical fin 9, the vertical fin 15 in the outside) to be welded on the water pipe main body (inboard water pipe 5, outside water pipe 6) of pipe shape form, but water pipe main body and vertical fin also can be integrally formed.For example, also can pass through extrusion molding and integrally formed water pipe main body and vertical fin.
In addition, in the various embodiments described above, two fin water pipes 11 and single fin water pipe 14 also can be pre-formed base end part or leading section circular-arc into along the outer peripheral face of inboard water pipe 5 (or outside water pipe 6), so that inboard vertical fin 9 (or the vertical fin 15 in the outside) contacts smoothly on the outer peripheral face of inboard water pipe 5 (or outside water pipe 6).
And then, in the various embodiments described above, can certainly suitably change height, width and the thickness of each vertical fin 5,6 and also can suitably change the radical of each water pipe 5,6 that constitutes each water pipe row 7,8.
Claims (4)
1. boiler is characterized in that possessing:
A plurality of heat-transfer pipes are arranged between upper header part and the lower header part with cylindric, constitute the heat-transfer pipe row;
A plurality of vertical fins are except an end of the above-below direction of above-mentioned heat-transfer pipe or a circumferential part, that adjacent above-mentioned heat-transfer pipe is connected to each other and by the thermal expansion that burning gases or exhaust bring above-mentioned heat-transfer pipe gap is each other stopped up.
2. boiler as claimed in claim 1 is characterized in that,
Above-mentioned heat-transfer pipe is listed as by a plurality of two fin heat transfer pipes and a plurality of non-finned heat-transfer pipe and constitutes, the mode that described two fin heat transfer pipes stop up with the gap of each heat-transfer pipe that will be adjacent with both sides is provided with above-mentioned vertical fin in both sides, described non-finned heat-transfer pipe is not provided with above-mentioned vertical fin;
Alternate configurations alternately between one of above-mentioned a plurality of two fin heat transfer pipes and above-mentioned a plurality of non-finned heat-transfer pipe;
The combustion chamber of the inboard of above-mentioned heat-transfer pipe row is communicated with via the part that above-mentioned vertical fin is not set in an end of the above-below direction of above-mentioned heat-transfer pipe row with the burning gases stream in the outside of above-mentioned heat-transfer pipe row.
3. boiler as claimed in claim 1 is characterized in that,
Above-mentioned heat-transfer pipe is listed as by a plurality of single fin heat transfer pipes and constitutes, and described single fin heat transfer pipe is provided with above-mentioned vertical fin in the mode that will stop up with the gap of one-sided adjacent heat-transfer pipe one-sided;
The combustion chamber of the inboard of above-mentioned heat-transfer pipe row is communicated with via the part that above-mentioned vertical fin is not set in an end of the above-below direction of above-mentioned heat-transfer pipe row with the burning gases stream in the outside of above-mentioned heat-transfer pipe row.
4. a boiler is the boiler that possesses a plurality of heat-transfer pipes of disposed adjacent and be located at the vertical fin between the adjacent above-mentioned heat-transfer pipe, it is characterized in that,
One end of above-mentioned vertical fin is fixed on of adjacent above-mentioned heat-transfer pipe, and the thermal expansion that the burning of the other end of above-mentioned vertical fin by fuel in the combustion chamber brings is with another butt of adjacent heat-transfer pipe.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007112228A JP5119720B2 (en) | 2007-04-20 | 2007-04-20 | boiler |
| JP2007-112228 | 2007-04-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101290110A CN101290110A (en) | 2008-10-22 |
| CN101290110B true CN101290110B (en) | 2011-01-26 |
Family
ID=39876375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100933427A Expired - Fee Related CN101290110B (en) | 2007-04-20 | 2008-04-18 | Boiler |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20090025659A1 (en) |
| JP (1) | JP5119720B2 (en) |
| KR (1) | KR101456903B1 (en) |
| CN (1) | CN101290110B (en) |
| CA (1) | CA2629479A1 (en) |
| TW (1) | TW200905137A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034019B (en) * | 2014-06-05 | 2016-09-14 | 上海应用技术学院 | Internal heat type multitube sleeve gas heater |
| CN108266712B (en) * | 2017-12-23 | 2019-06-28 | 江苏唯绿环境科技有限公司 | A kind of boiler plant of multiloop heat exchange |
| KR20190093477A (en) * | 2018-02-01 | 2019-08-09 | 주식회사 하이낸드 | Heat exchanger |
| KR102229911B1 (en) * | 2019-01-03 | 2021-03-22 | 한국에너지기술연구원 | A Once-through Boiler Equipped with a Porous Medium Burner and its Operation Method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1272605A (en) * | 1999-04-30 | 2000-11-08 | 三浦工业株式会社 | Watertube boiler |
| CN1282848A (en) * | 1999-08-02 | 2001-02-07 | 三浦工业株式会社 | Watertube boiler |
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|---|---|---|---|---|
| US2029437A (en) * | 1924-05-23 | 1936-02-04 | Metropolitan Eng Co | Heat conducting tube |
| US1702058A (en) * | 1924-05-29 | 1929-02-12 | Thomas E Murray | Superheater |
| US1849158A (en) * | 1925-05-21 | 1932-03-15 | Int Comb Eng Corp | Coke cooling apparatus |
| US2167901A (en) * | 1936-02-29 | 1939-08-01 | Jr Thomas E Murray | Tubular element for boiler walls |
| US2089001A (en) * | 1936-03-02 | 1937-08-03 | Jr Thomas E Murray | Boiler wall and part thereof |
| US2336339A (en) * | 1940-11-12 | 1943-12-07 | Bennis Alfred William | Water tube wall of steam generator furnaces |
| DK111688B (en) * | 1965-01-13 | 1968-09-30 | Burmeister & Wains Mot Mask | Pipe wall for water pipe boilers and consisting of parallel pipes, located mainly in the same plane. |
| JPS5822803A (en) * | 1981-08-01 | 1983-02-10 | 三浦工業株式会社 | Multitubular type once-through boiler |
| JPS63109804U (en) * | 1987-01-12 | 1988-07-15 | ||
| JPH08562Y2 (en) * | 1990-08-24 | 1996-01-10 | 株式会社サムソン | Multi-tube once-through boiler |
| JPH09203501A (en) * | 1996-01-26 | 1997-08-05 | Nippon Furnace Kogyo Kaisha Ltd | Small-sized once-through boiler |
| CA2211983C (en) * | 1997-02-28 | 2006-03-14 | Miura Co., Ltd. | Water-tube boiler |
| JPH1130401A (en) * | 1997-07-08 | 1999-02-02 | Samson Co Ltd | Boiler having fin for heat absorption crossing combustion gas flow |
| JPH11132404A (en) * | 1997-10-31 | 1999-05-21 | Miura Co Ltd | Water-tube boiler |
| JP4086186B2 (en) * | 2003-01-20 | 2008-05-14 | 株式会社サムソン | Fin structure for blockage between water tubes in boiler water tube wall |
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2007
- 2007-04-20 JP JP2007112228A patent/JP5119720B2/en active Active
-
2008
- 2008-02-12 TW TW097104809A patent/TW200905137A/en unknown
- 2008-04-11 US US12/081,178 patent/US20090025659A1/en not_active Abandoned
- 2008-04-16 KR KR1020080035175A patent/KR101456903B1/en active IP Right Grant
- 2008-04-18 CA CA002629479A patent/CA2629479A1/en not_active Abandoned
- 2008-04-18 CN CN2008100933427A patent/CN101290110B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1272605A (en) * | 1999-04-30 | 2000-11-08 | 三浦工业株式会社 | Watertube boiler |
| CN1282848A (en) * | 1999-08-02 | 2001-02-07 | 三浦工业株式会社 | Watertube boiler |
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| JP特开2000-329305A 2000.11.30 |
| JP特开2001-343101A 2001.12.14 |
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| JP特开平9-178104A 1997.07.11 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20080094577A (en) | 2008-10-23 |
| CN101290110A (en) | 2008-10-22 |
| US20090025659A1 (en) | 2009-01-29 |
| CA2629479A1 (en) | 2008-10-20 |
| TW200905137A (en) | 2009-02-01 |
| JP5119720B2 (en) | 2013-01-16 |
| KR101456903B1 (en) | 2014-10-31 |
| JP2008267712A (en) | 2008-11-06 |
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