CN109964088A

CN109964088A - Smoke tube boiler

Info

Publication number: CN109964088A
Application number: CN201780070818.2A
Authority: CN
Inventors: 朴焌圭; 朴德植; 金政禹
Original assignee: Kyungdong Navien Co Ltd
Current assignee: Kyungdong Navien Co Ltd
Priority date: 2016-12-30
Filing date: 2017-12-29
Publication date: 2019-07-02
Anticipated expiration: 2037-12-29
Also published as: KR102136170B1; CA3047961C; CN109964088B; CA3047961A1; KR20180079205A; RU2737576C1

Abstract

Mixed gas can be prevented the purpose of the present invention is to provide one kind and the smoke tube boiler for the gap leakage that gas passes through mixing chamber between rod assembly of lighting a fire is discharged.Smoke tube boiler of the invention for accomplishing this includes: the mixing chamber being arranged on the upside of combustion chamber, equipped with the blending space and plate shaped burner for mixing burning gas and air；Igniting rod assembly, penetrates through a side of the mixing chamber and is assembled, and crosses the top of the combustion chamber and extend to the downside of the plate shaped burner；And sealing unit, for block the blending space mixed gas and the combustion chamber discharge gas by the gap leakage between the mixing chamber and the igniting rod assembly to external.

Description

Smoke tube boiler

Technical field

The present invention relates to a kind of smoke tube boiler more particularly to a kind of smoke tube boilers being configured to such as flowering structure: inciting somebody to action When igniting rod assembly penetrates through the side equipped with the mixing chamber of plate shaped burner and is combined, mixed gas is prevented And the leakage of discharge gas, and the thermal damage of igniting rod assembly is prevented, while preventing corrosion caused by gathering as condensed water, And reliably block the leakage of condensed water.

Background technique

In general, boiler is equipped with the warm for making to carry out heat exchange between burning gases and heating agent caused by fuel combustion Exchanger, to execute heating or hot-water supply using the heating agent after heating.Such boiler may include: heat exchange department, interior Portion is equipped with heat exchanger；Burner is assembled in the top of heat exchange department；Combustion chamber, between burner and heat exchanger, Inside is supplied with burning gas and air to burn.

Fig. 1 is the figure for schematically showing the composition of existing smoke tube boiler.

Existing smoke tube boiler includes: pressure fan 10, supplies burning gas and air；Cylindrical combustor 20, makes The mixed gas of burning gas and air is burnt；Combustion chamber 30 carries out the burning of mixed gas by the burner 20；Heat Exchanger 40 makes to carry out heat exchange between the burning gases and heating agent that combustion chamber 30 generates；Heat-barrier material 50, for preventing The upside around heat transfer to cylindrical combustor 20 that combustion chamber 30 generates；And fire rod 60, penetrate through the heat-insulated material Expect 50 and be arranged, for lighting the mixed gas.

The heat exchanger 40 may include: outer cylinder 41；Multiple pipes 42, are provided to inside outer cylinder 41, and in combustion chamber 30 burning gases generated pass through inside multiple pipes 42；Sink 43 accommodates heating agent in the outside of the pipe 42.

According to the composition of existing smoke tube boiler same as above, equipped with the cylinder of form longer along the vertical direction Shape burner 20 so that the height of boiler entirety greatly increases, therefore can not manufacture small-sized boiler, bring installation space therewith Limited problem.

Also, in existing smoke tube boiler, it is provided between pressure fan 10 and cylindrical combustor 20 in perforation Combustion chamber lid 12 and in the case that fire rod 60 is set, be thermally conducted to fire rod 60 in order to prevent, used heat-barrier material 50.

However, the heat-barrier material 50 occurs rupture due to heated during burning or is broken for little particle form, So as to cause blocking heat-exchanger 40 pipe 42 as burning gases access the problems such as, and in order to repair and will combustion In the case that burning chamber cap 12 is decomposed with the mixing chamber 11 for including cylindrical combustor 20, has and inevitably result in heat-insulated material The problem of 50 damage of material.

In addition, in the case where fire rod 60 is set to 40 side of heat exchanger, due to the unnecessary process of addition and portion Part causes manufacturing process to increase, and the risk for bringing heating agent to sew therewith.

Korean granted patent the 10-0575187th discloses in Korean granted patent the 10-0581580th and ibid institute The relevant prior art of structure of fire rod is assembled in combustion chamber lid with stating.

Also, it in the case where application combustibility is better than the plate shaped burner of cylindrical combustor 20, is being combined with The mixing chamber of plate shaped burner and mixing chamber side are combined with heat exchanger, thus mixing chamber and heat exchanger it Between form combuster.At this point, the case where a side of rod assembly perforation mixing chamber of lighting a fire is incorporated into mixing chamber Under, it may occur however that the mixed gas of unburned state passes through the gap leakage between mixing chamber and rod assembly of lighting a fire to outside The problem of.In the case where the mixed gas (unburned gas) of unburned state same as above is leaked to outside, to human body structure At fatal danger.

In the case where the sealing unit for preventing mixed gas same as above from revealing is arranged, due to the height of combustion chamber Warm amount is transferred to sealing unit, therefore sealing unit may be easy to damaged due to thermalization, thus in the presence of preventing because of thermalization And the problem of sealing unit is not easy to is set in the case where breakage.

In addition, being disclosed in EP Published Patent bulletin EP 2508834, EP Published Patent bulletin EP2437022 Fume tube type heat exchanger in equipped with outer cylinder, for being equipped with the sink of receiving heating agent in the outside of pipe.In the upper end of the pipe Portion is combined with the upper surface of composition sink and supports the upper perforated plate of the upper end of outer cylinder, is combined with composition in the lower end of the pipe The base surface of sink and support outer cylinder lower end lower perforated plate.

For the fume tube type heat exchanger constituted same as abovely, be contained in the heating agent of sink to lower perforated plate effect compared with High hydraulic pressure, therefore, in order to keep the durability of the lower perforated plate, it is desirable to be able to bear the water pressure resistance performance of high hydraulic pressure.

However, the lower perforated plate for being provided to existing fume tube type heat exchanger does not have the composition that can disperse hydraulic pressure, therefore With the problem that durability is poor.

Also, existing smoke tube boiler is configured to such as flowering structure: condensate receiver is provided under the lower perforated plate Side, equipped with the seal member for preventing condensed water from revealing between the edge of lower perforated plate and the edge of condensate receiver. The seal member is configured to support the lower end of the side surface part of lower perforated plate.

However, the structure between lower perforated plate and condensate receiver is incorporated into according to seal member, in fume tube type heat exchange Between the lower end and seal member of the side surface part that the condensed water that device generates accumulates in lower perforated plate, lower perforated plate is brought to corrode therewith Problem, in the case where seal member is configured to generally well-known form, condensed water leakage phenomenon can not reliably be blocked by existing Limitation.The sealing structure disclosed with existing condensate receiver such as KR published patent the 10-2005-0036152nd The relevant prior art.

Summary of the invention

Technical problem

The present invention proposes that its purpose is to provide one kind can prevent mixed gas and discharge to solve the above-mentioned problems The smoke tube boiler that gas passes through the gap leakage between mixing chamber and rod assembly of lighting a fire.

Another object of the present invention is to provide a kind of following smoke tube boilers: igniting is arranged in perforation mixing chamber When rod assembly, the size of heat-barrier material is greatly reduced to prevent the passage blockage as caused by the damage of heat-barrier material, and Equipped with the cooling transmitted for fire rod sealing unit of the intercept heat near igniting rod assembly and rod assembly of lighting a fire Unit.

Another object of the present invention is to provide a kind of smoke tube boiler being configured to such as flowering structure: can be improved lower perforated plate Water pressure resistance performance, prevent from accumulating in lower perforated plate as condensed water and caused by corrode and reliably condensed water blocked to reveal.

Another object of the present invention is to provide a kind of height and raising that can reduce boiler compared to existing boiler The smoke tube boiler of heat exchanger effectiveness.

Technical solution

Smoke tube boiler of the invention for realizing purpose same as above includes: the mixing being arranged on the upside of combustion chamber Chamber, equipped with the blending space and plate shaped burner for mixing burning gas and air；Igniting rod assembly, is passed through Lead to a side of the mixing chamber and assembled, and cross the top of the combustion chamber and to the plate shaped burner Downside extend；And sealing unit, for blocking the mixed gas of the blending space and the discharge gas of the combustion chamber Pass through the gap leakage between the mixing chamber and the igniting rod assembly to outside.

It, can be convex equipped with mixing chamber's flange and burner in a manner of connecting in a side of the mixing chamber Edge, so that the blending space is closed, the igniting rod assembly is described in the position perforation separated with the blending space Mixing chamber's flange and burner flange and assembled.

The sealing unit may include: the first seal member, be provided to mixing chamber's flange and burner flange The part to connect, for preventing the leakage of the mixed gas.

It can be equipped with for blocking the calory burning generated in the combustion chamber on the top of first seal member Carry out the heat-barrier material of hot transmitting.The heat-barrier material unlike the prior art, makes the heat-barrier material for being substantially reduced its size.

It can be equipped with the knot for making the igniting rod assembly penetrate through and combine on the top of one side of mixing chamber Plywood, the sealing unit include: the second seal member, be provided to one side of mixing chamber top and the board Between, for preventing the leakage of the discharge gas.

In the lateral surface of second seal member, protrude outward formation multiple abutting protrusions can with indwelling it is predetermined between Every and formed.

The igniting rod assembly may include fire rod and flame sensing bar, on the top of one side of mixing chamber Equipped with penetrate through the fire rod and in conjunction with fire rod board and the fire that makes the flame sensing bar penetrate through and combine Flame sensing bar board, the sealing unit be provided to one side of mixing chamber top and the fire rod board it Between and the top and the flame sensing bar board of one side of the mixing chamber between.

The smoke tube boiler can also include: cooling unit, for blocking the calory burning generated in the combustion chamber C Hot transmitting is carried out to the sealing unit.

The cooling unit may include air-cooled cooling unit and water-cooled cooling unit.

It, can be convex equipped with mixing chamber's flange and burner in a manner of connecting in a side of the mixing chamber Edge, so that the blending space is closed, the igniting rod assembly penetrates through mixing chamber's flange and the burner is convex Edge and assembled, the air-cooled cooling unit passes through the cooling mixing chamber of the mixed gas for flowing into the blending space Flange and the burner flange.

It, can be convex equipped with mixing chamber's flange and burner in a manner of connecting in a side of the mixing chamber Edge, so that the blending space is closed, the igniting rod assembly penetrates through mixing chamber's flange and the burner is convex Edge and assembled, in the water-cooled cooling unit, be provided to the heat exchanger of the downside of the combustion chamber and heating agent The upper tube plate flange of contact is equipped in a manner of with the burner Hp contacts, thus the cooling burner flange.

In a side of the mixing chamber for being assembled with igniting rod assembly, can match around the igniting rod assembly Have multiple cooling fins.

The smoke tube boiler may include: outer cylinder, be provided to the periphery of the internal pipe for passing through burning gases, thus The outside of the pipe constitutes the outer wall of the sink of receiving heating agent；The lower perforated plate of hardboard structure, including horizontal part, vertical component effect and arc Portion, the horizontal part support the lower end of the pipe and constitute the base surface of the sink, and the vertical component effect is incorporated into described outer The lateral surface of the lower end of cylinder, the curved portion connect the outboard end of the horizontal part and the lower end of the vertical component effect and composition For the shape being convexly curved outward, to disperse the hydraulic pressure of the heating agent.

The lateral surface for being incorporated into the lower end of the outer cylinder can be inserted in the vertical component effect of the lower perforated plate.

It could be formed with the flange part of definite length extended outward in the upper end of the vertical component effect of the lower perforated plate, it is described convex Edge is between the lateral surface of the outer cylinder in conjunction with welding.

The smoke tube boiler may include: condensate receiver, is provided to the downside of the lower perforated plate and collects in institute State the condensed water of lower perforated plate generation；And leakproof wet part, the edge part and the condensed water for being located in the lower perforated plate receive Between the edge part of device, for preventing the leakage of condensed water.

The leakproof wet part can be provided as surrounding the form of the lower part of the curved portion of the lower perforated plate and vertical component effect, coagulate Gather the condensed water in the horizontal part of the lower perforated plate by the leakproof wet part transverse barriers, so that the movement along side direction is hindered Break and can be fallen to downside.

The side wall of the condensate receiver can be provided as the boundary of horizontal part and curved portion positioned at the lower perforated plate Near, to guide falling for condensed water.

It could be formed in the medial surface of the leakproof wet part towards the direction of the lateral surface of lower perforated plate protrusion It is close to protrusion.

The abutting protrusion can be formed as multiple in the position that the medial surface of the leakproof wet part vertically separates.

It can be equipped in the edge part of the condensate receiver: the first flange part, from the side wall of condensate receiver Upper end extend and support the lower part of the leakproof wet part outward, in the leakproof wet part and the first flange part shape At have the fastening for being mutually anchored on corresponding position protrusion and binding groove.

It can also include: extension in the edge part of the condensate receiver, from the outboard end of first flange part Extend and be tightly attached to the lateral surface of the leakproof wet part to upside；And second flange part, from the end of the extension to Outside extend, the top of the leakproof wet part and second flange part be formed be mutually inserted corresponding position insertion it is convex It rises and insertion groove, to block the leakage of condensed water, while the position of the fixed leakproof wet part.

Can be equipped with exhaust guiding piece in the inside of the condensate receiver, the exhaust guiding piece is formed with multiple Punching, so as to be arranged by the whole region that the burning gases of the heat exchanger are distributed evenly in the condensate receiver Out.

It could be formed with stage portion in the base surface of the condensate receiver, the stage portion guidance passes through the exhaust The burning gases of guiding piece are flowed to the condensed water discharge outlet side, to make described cold inside the condensate receiver The discharge direction identical with the flow direction of the burning gases of condensate carries out.

The mixing chamber may include mixing chamber's main body of flat pattern and be arranged in the burning in the horizontal direction The plate shaped burner of the upside of room.

It the bottom surface of mixing chamber's main body can be with shape with the space of the upper surface of the plate shaped burner being spaced apart As flat disc.

The smoke tube boiler can also include: heat exchanger, between the calory burning and heating agent of the combustion chamber Carry out heat exchange, the heat exchanger includes: outer cylinder, constitute for make heating agent flow into and be discharged and accommodates heating agent sink outside Wall；The upper perforated plate of hardboard structure is incorporated into the inside of the outer cylinder, to form heating agent stream between upper perforated plate and the outer cylinder Road, and form the combustion chamber；Multiple pipes, are configured to flat pattern, the burning gases edge for generating in the combustion chamber Multiple pipe internal flows simultaneously carry out heat exchange in external heating agent with flowing；Turbulator is incorporated into the inside of the pipe and in institute It states guidance in the flowing of burning gases and turbulent flow occurs；The diaphragm of multistage is provided between the outer cylinder and the pipe, and then is guided It is alternately converted to the inside of radial direction and outside the flow direction of heating agent；The lower perforated plate of hardboard structure supports under the pipe End and the bottom surface for constituting the sink.

The flange of the upper perforated plate can protrude to be formed in the upper end of the curved portion outward, the flange of the upper perforated plate Outer diameter and the curved portion lower end internal diameter between flange of the diameter difference relative to the upper perforated plate outer diameter ratio structure As 20% or less.

The height being inserted between the bottom surface of the plate shaped burner of the upper perforated plate and the bottom surface of the upper perforated plate can Pre- spacing is separated in the end of flame that the plate shaped burner generates and the base surface of the upper perforated plate to be set so that From preferably can be set as the height of 80mm or so.

The turbulator may include: top turbulator, is incorporated into a manner of with the pipe face contact close to the combustion The upper inner of the pipe of room is burnt, to improve pyroconductivity, and rapids occurs for guidance in the flowing of the burning gases Stream；And lower part turbulator, the inside of the pipe is incorporated on the downside of the top turbulator, thus in the burning gases Flowing in guidance occur turbulent flow.

Beneficial effect

Smoke tube boiler according to the present invention, in order to which application manufactures easy and productivity for cylindrical combustor Superior plate shaped burner can prevent gaseous mixture when fire rod assembly is arranged in a side of perforation mixing chamber Body and the leakage that gas is discharged.

Also, in plate shaped burner more broader than cylindrical combustor using combustion zone, by means of being flowed into combustion Burn the gas and air and the igniting rod assembly that is conducive to the side for perforation mixing chamber and is combined in region Cooling structure, and can prevent as thermalization and caused by damage, to improve durability.

Also, by by lower perforated plate be configured to surround outer cylinder lateral surface, and connection lower perforated plate horizontal part with it is vertical The corner in portion forms the curved portion being convexly curved outward, to be configured to disperse the hydraulic pressure of heating agent, hereby it is possible to improve down The water pressure resistance performance of tube sheet and minimize deformation, so as to improve durability.

Also, by the way that the lower perforated plate of fume tube type heat exchanger is configured to surround the lateral surface of outer cylinder, and by preventing water leakage portion Part is configured to surround the lower part of the vertical component effect of the lower perforated plate and the form of curved portion, while making the side wall cloth of condensate receiver Be set to positioned at lower perforated plate horizontal part and curved portion boundary near, to guide falling for condensed water, hereby it is possible to prevent due to Corrode caused by the accumulation of condensed water.

Also, it is formed by the medial surface in leakproof wet part convex towards the abutting of the direction of the lateral surface of lower perforated plate protrusion It rises, accordingly when effect has hydraulic pressure, is close to protrusion along the leakproof wet part protruded with the contrary direction of hydraulic pressure effect It is tightly attached to the lateral surface of lower perforated plate, so as to prevent the leakage phenomenon of condensed water.If also, will be close to protrusion vertically every The position opened is formed as multiple, then can be more reliably prevented from condensed water leakage.

Also, mixing chamber's main body by being equipped with flat pattern and plate shaped burner, and it is formed into hardboard knot The height of the upper perforated plate of structure is reduced to mixed gas to be capable of the minimum altitude of completely burned and improves the heat exchange effect of heat exchanger Rate can reduce the height of boiler accordingly compared to existing heat exchanger, so as to provide efficient small-sized fume tube type Boiler.

Detailed description of the invention

Fig. 2 is the stereoscopic figure of the smoke tube boiler of an embodiment according to the present invention.

Fig. 3 is the bottom surface side perspective view of mixing chamber shown in Fig. 2.

Fig. 4 is the exploded perspective view for showing the structure that igniting rod assembly is incorporated into mixing chamber.

Fig. 5 is the amplification stereogram of igniting rod assembly engaging portion.

Fig. 6 is the sectional view of Fig. 2.

Fig. 7 is the partial cutaway perspective view intercepted along the line A-A of Fig. 6.

Fig. 8 is the enlarged fragmentary cross section intercepted along the line A-A of Fig. 6.

The partial perspective that Fig. 9 is equipped with the boiler of the fume tube type heat exchanger of an embodiment according to the present invention is three-dimensional Figure.

The major part that Figure 10 is equipped with the boiler of the fume tube type heat exchanger of an embodiment according to the present invention is decomposed Perspective view.

(a) of Figure 11 is the plan view of leakproof wet part, and (b) of Figure 11 is the section intercepted along the line B-B of Figure 11 (a) Figure and enlarged drawing.

Figure 12 is the sectional view of the part Fig. 1 " A ".

Figure 13 is the stereoscopic figure of smoke tube boiler according to another embodiment of the present invention.

Figure 14 is the perspective view of mixing chamber.

Figure 15 is the bottom surface side perspective view of mixing chamber.

Figure 16 is fire rod and flame sensing bar be incorporated into mixing chamber structure exploded perspective view.

Figure 17 is the plan view of mixing chamber and heat exchanger.

Figure 18 is the partial cutaway perspective view intercepted along the line C-C of Fig. 7.

Figure 19 is the partial cutaway view intercepted along the line C-C of Fig. 7.

Figure 20 is the sectional view for showing the integrated structure of upper perforated plate and burner.

Figure 21 is the perspective elevation of heat exchanger.

Figure 22 is the exploded perspective view of heat exchanger.

Figure 23 is the sectional view for the case where pipe assembly is in conjunction with multistage diaphragm.

(a) of Figure 24 is the plan view of Figure 23, is (b) sectional view intercepted along the line D-D of Figure 23, is (c) along Figure 23 The sectional view of E-E line interception.

Figure 25 is the plan view of heat exchanger.

Figure 26 is the sectional stereogram intercepted along the F-F line of Figure 25.

Figure 27 is the perspective elevation for showing an embodiment of pipe assembly.

Figure 28 is the exploded perspective view of pipe assembly.

Figure 29 is the front elevation of top turbulator and lower part turbulator.

Figure 30 is the amplification stereogram of top turbulator shown in Figure 29.

Figure 31 is the plan view of Figure 30.

(a) of Figure 32 is the sectional view intercepted along the G-G line of Figure 31, is (b) broken isometric intercepted along the G-G line of Figure 31 Figure.

Figure 33 is the left side view of Figure 30.

Figure 34 is the perspective elevation of smoke tube boiler according to another embodiment of the present invention.

Figure 35 is the exploded perspective view of smoke tube boiler according to another embodiment of the present invention.

(a) of Figure 36 is the plan view of leakproof wet part, and (b) of Figure 36 is the section intercepted along the H-H line of Figure 36 (a) Figure and enlarged drawing.

Figure 37 is the sealing structure and condensed water discharge knot for showing smoke tube boiler according to another embodiment of the present invention The sectional view of structure.

Symbol description

10: pressure fan 11: mixing chamber

12: combustion chamber lid 20: cylindrical combustor

30: combustion chamber 40: heat exchanger

41: outer cylinder 42: pipe

43: sink 50: heat-barrier material

60: fire rod 1,1': smoke tube boiler

100: mixing chamber 110: mixed gas inflow entrance

120: mixing chamber's flange 130: plate shaped burner

131: flame orifice plate 131a: flame hole

132: metallic fiber 133: burner flange

140: igniting 141: the first fire rod of rod assembly

142: the second fire rodes 143: flame sensing bar

141a, 142a, 143a: insulator 141b, 142b, 143b: bushing

144: board 144a, 144b, 144c: combined hole

150: igniting rod assembly engaging portion 151: board placement portion

152: the second seal member placement portions 153: openings

154: 160: the first seal member of cooling fin

170: 180: the second seal member of heat-barrier material

181: being close to protrusion 190: seal member

200: heat exchanger 210: outer cylinder

220: upper perforated plate 221: pipe is inserted into hole

222: upper tube plate flange 230: pipe

240: sink 300: condensate receiver

400: exhaust pipe 500: leakproof wet part

510: main body 510a: the medial surface of leakproof wet part

520,521,522,523,524: being close to protrusion 530: the lower part of leakproof wet part

531: binding groove 540: the top of leakproof wet part

541: insertion protrusion 1000: mixing chamber

1100: mixing chamber's main body 1110: mixing chamber's flange

1200: mixed gas inflow entrance 1300: plate shaped burner

1310: flame orifice plate 1330: burner flange

1400: igniting rod assembly 1410: fire rod

1420: flame sensing bar 1500: igniting rod assembly engaging portion

1600: the first seal member, 1700: the second seal member

1800: third seal member 1900: seal member

2000: heat exchanger 2100: outer cylinder

2110: heating agent inflow entrance 2120: heating agent outlet

2200: upper perforated plate 2240: curved portion

2300: pipe 10000: pipe assembly

2400: top turbulator 2500: lower part turbulator

2610: top diaphragm 2620: middle part diaphragm

2630: lower diaphragm 2640: supporting table

2700: lower perforated plate 3000: condensate receiver

3100: condensed water discharge outlet 3200: leakproof wet part

3300: exhaust guiding piece 3310: punching

4000: exhaust pipe 5000: premixing cavity

6000: mixed gas adjustment portion 7000: pressure fan

Specific embodiment

Hereinafter, referring to attached drawing to about the preferred embodiment of the present invention composition and effect be described in detail it is as follows.

Referring to Fig. 2 to Fig. 8, the smoke tube boiler 1 of an embodiment according to the present invention includes: be arranged in combustion chamber C upper The mixing chamber 100 of side, equipped with blending space S and plate shaped burner 130, the blending space S is for making to pass through connection Make to mix in the combustion air and gas mixing, the plate shaped burner 130 of the supply of mixed gas inflow entrance 110 of pressure fan Close gas burning；Heat exchanger 200 carries out heat exchange for making between heating agent and burning gases；Condensate receiver 300 is received Vapor included in collection burning gases condenses condensed water generated by the heat exchanger 200；Exhaust pipe 400, It is connected to the side of condensate receiver 300, so that the burning gases by the heat exchanger 200 are discharged.

And, comprising: fire rod assembly 140 penetrates through a side of the mixing chamber 100 and is assembled, and It crosses the top of the combustion chamber C and extends to the downside of the plate shaped burner 130；And sealing unit, for blocking The discharge gas of the mixed gas of the blending space S and the combustion chamber C pass through the mixing chamber 100 and the fire rod Gap leakage between assembly 140 is to outside.

Burner applied by the present invention is plate shaped burner 130, comprising: the flame orifice plate 131 of writing board shape is formed with Multiple flame hole 131a；And metallic fiber 132, it is incorporated into the flame orifice plate 131.Due to plate shaped burner same as above 130 across blending space S whole region and be equipped with, therefore the gas due to flowing into plate shaped burner 130 and air are to wind Cold type structure extends combustion zone and reduces the load of per unit area than advantageous, so as to reduce the dirts such as CO, NOx The discharge of substance is contaminated, and then improves combustibility.

Igniting rod assembly 140 penetrates through a side of the mixing chamber 100 and is assembled.The igniting rod assembly 140 may include the first fire rod 141, the second fire rod 142 and flame sensing bar 143.In the first fire rod 141, second point The lateral surface of lighted torch 142 and flame sensing bar 143 is combined with insulator 141a, 142a, the 143a constituted using megohmite insulant, The lateral surface of described insulator 141a, 142a, 143a are combined with for keeping airtight bushing 141b, 142b, 143b.

First fire rod 141, the second fire rod 142 and flame sensing bar 143 and it is incorporated into the exhausted of its lateral surface Edge 141a, 142a, 143a and bushing 141b, 142b, 143b be formed through combined hole 144a, 144b in board 144, 144c and be combined.

Described insulator 141a, 142a, 143a are for preventing the exhausted of the spark due to caused by being powered when igniting Edge unit, described bushing 141b, 142b, 143b are the lateral surface and the combination for sealing insulator 141a, 142a, 143a The composition in the gap between hole 144a, 144b, 144c.

Referring to Fig. 4 and Fig. 5, in a side of the mixing chamber 100 equipped with for assembling igniting rod assembly 140 Igniting rod assembly engaging portion 150.The igniting rod assembly engaging portion 150 includes: board placement portion 151, is configured to slot Form, to dispose the board 144；Second seal member placement portion 152 is formed in the interior of the board placement portion 151 Side is to dispose the second seal member 180；Openings 153 are sensed by first fire rod 141, the second fire rod 142 and flame Stick 143 penetrates through.Also, equipped with more for calory burning to shed around the igniting rod assembly engaging portion 150 A cooling fin 154.

Referring to Fig. 6 to Fig. 8, in a side of the mixing chamber 100, equipped with mixing chamber's flange in a manner of connecting 120 and support and connect plate shaped burner 130 edge portion burner flange 133, so that the mixing is empty Between S it is closed, it is described igniting rod assembly 140 separated with the blending space S position perforation mixing chamber's flange 120 and combustion Burner flange 133 and assembled.

The sealing unit includes: the first seal member 160, is provided to mixing chamber's flange 120 and burner flange 133 The part to connect, for preventing the mixed gas for flowing into the blending space S to be leaked to outside.First seal member 160 can use heat resistance graphite material composition.Also, on the top of first seal member 160 equipped with for blocking The heat-barrier material 170 of the heat transmitting for the calory burning that combustion chamber C is generated.

Also, the sealing unit includes: the second seal member 180, be provided to the top of 100 1 side of mixing chamber with Between board 144, for preventing the discharge gas leakage generated in the combustion chamber C to external.Second sealing Part 180 can use rubber material composition.Also, in the lateral surface of second seal member 180, protrusion is formed outward Multiple abuttings protrusion 181 can be formed with indwelling predetermined space, it is described be close to protrusion 181 be tightly attached to board 144 bottom surface and The upper surface of second seal member placement portion 152, so as to further increase leakproofness.

Also, it is same as above, it is combined in the lateral surface of insulator 141a, 142a, 143a of the igniting rod assembly 140 There are bushing 141b, 142b, 143b, so as to block discharge gas or mixed gas to pass through the combination of board 144 again Hole 144a, 144b, 144c leakage.

Hereinafter, referring to Fig. 7 and Fig. 8, to for blocking calory burning to be transferred to the sealing unit and radiating cold But the composition of unit and effect are illustrated.

The cooling unit is the composition that intercept heat is transmitted to sealing unit, may include air-cooled cooling unit and Water-cooled cooling unit, wherein the sealing unit is used to prevent the calory burning generated in combustion chamber C from passing through the mixing chamber Gap leakage between room 100 and igniting rod assembly 140

It is same as above, in a side of the mixing chamber 100, equipped with mixing chamber's flange 120 in a manner of connecting And burner flange 133, so that the blending space S is closed, it is convex that the igniting rod assembly 140 penetrates through the mixing chamber Edge 120 and burner flange 133 and assembled, the air-cooled cooling unit is configured to by flowing into mixing sky Between the mixed gas by convection mode of S cool down mixing chamber's flange 120 and burner flange 133.

It in addition, the heat exchanger 200 is configured to fume tube type heat exchanger, and may include: outer cylinder 210；On Tube sheet 220 constitutes the base surface of combustion chamber C and the upper surface of heat exchanger 200；Multiple pipes 230, upper end penetrate through and are integrated to It is formed in the pipe insertion hole 221 of the upper perforated plate 220, and burning gases pass through flowing inside multiple pipes；Sink 240, Heating agent is contained in the inside of outer cylinder 210 by the outside of the pipe 230.The heating agent can be heating heating or as hot water Water or hot water.

For the water-cooled cooling unit, be provided to the heat exchanger 200 on the downside of the combustion chamber C and heating agent The upper tube plate flange 222 of contact is provided as contacting with the burner flange 133, so as to be configured to the burner flange 133 and seal member 190 be cooled by conduction pattern.

Also, it is same as above, in a side of the mixing chamber 100 for being assembled with the igniting rod assembly 140, along described Equipped with multiple cooling fins 154 around igniting rod assembly 140, the cooling fin 154 can also be used as cooling unit and send out Wave function.

It is same as above, according to the present invention, penetrate into igniting rod assembly 140 equipped with plate shaped burner 130 One side of mixing chamber 100 and when being assembled, by being equipped with sealing unit and cooling unit, so as to block gaseous mixture Body and the leakage that gas is discharged, and can prevent sealing unit from thermal damage occurs due to calory burning.Further, it is possible to prevent The problem of heat-barrier material due to being set to existing mixing chamber's lower end area side leads to blockage, and due to only in point A part of 140 lower end of lighted torch assembly uses heat-barrier material 170, therefore can minimize the use of heat-barrier material, while energy Enough safely assembling igniting rod assemblies 140, and can prevent the damage due to sealing unit from causing mixed gas and discharge Gas leakage.

Referring to Fig. 9 to Figure 12, the smoke tube boiler 1 of an embodiment according to the present invention further include: leakproof wet part 500, It is incorporated into the interconnecting piece of above-mentioned heat exchanger 200 and condensate receiver 300, for preventing the leakage of condensed water.

Referring to Fig. 9, the heat exchanger 200 includes: outer cylinder 210, constitutes heating agent stream into and out and accommodates the heating agent Sink S (referring to Fig.1 2) outer wall；Multiple pipes 220, so that being generated in the mixing chamber 100 by lighting for burner Burning gases along multiple pipe internal flows and with the heating agent carry out heat exchange；Upper perforated plate 230 supports the upper of the pipe 220 End and the upper surface for constituting sink S；Lower perforated plate 240 supports the lower end of the pipe 220 and constitutes the base surface of sink S；With And support plate 250, the position that vertically separates is incorporated into the position of fixing pipe 220 in the lateral surface of the pipe 220, and shape At the mobile access of heating agent.

Referring to Fig.1 0, the lower perforated plate 240 is configured to outside lower part of the open shape in top to surround and combine outer cylinder 210 Side, and include: horizontal part 241, it is formed with the multiple pipes penetrated through by the lower end of the pipe 220 and is inserted into hole 241a, thus The lower end of support tube 220 and the base surface for constituting the sink S；Vertical component effect 242 is incorporated into the lower end of the outer cylinder 210 Lateral surface；Curved portion 243 connects the outboard end of the horizontal part 241 and the lower end of the vertical component effect 242, be configured to The shape that outside is convexly curved, so that dispersion is contained in the hydraulic pressure of the heating agent inside the sink S.

Referring to Fig.1 2, the vertical component effect 242 of the lower perforated plate 240 is configured to outer with the lower end of the cylinder 210 Side insertion combines, and the upper end of the vertical component effect 242 in the lower perforated plate 240 can form definite length extended outward Flange part 244, the flange part 244 can be with welding between the lateral surface of the outer cylinder 210 in conjunction with.

The heat exchanger 200 is combined in such a way that lower perforated plate 240 surrounds the lower outside face of outer cylinder 210, and The arc for the shape being convexly curved outward is formed in the horizontal part 241 of connection lower perforated plate 240 and the corner of vertical component effect 242 The water pressure resistance performance of lower perforated plate 240 so as to disperse the hydraulic pressure of heating agent, and then improves in shape portion 243, thus under by minimizing The deformation of tube sheet 240, can be improved durability.

Hereinafter, to the knot of the heat exchanger 200, condensate receiver 300 and the leakproof wet part 500 that constitute same as abovely Structure is closed to be illustrated.

1 and Figure 12 referring to Fig.1, the leakproof wet part 500 are located in edge part and the condensate receiver of lower perforated plate 240 Play the role of preventing condensed water from revealing between 300 edge part.The main body 510 of the leakproof wet part 500 is provided as wrapping The form of the curved portion 243 of lower perforated plate 240 and the lower part of vertical component effect 242 is enclosed, to condense upon the horizontal part of the lower perforated plate 240 241 condensed water CW can by 530 transverse barriers of lower part of the main body 510, thus the movement along side direction be blocked and to Downside is fallen.

The side wall 310 of the condensate receiver 300 can be provided as horizontal part 241 positioned at the lower perforated plate 240 with Near the boundary of curved portion 243, to guide falling for condensed water.

Same as above, 530 inner end of lower part of leakproof wet part 500 and the side wall 310 of condensate receiver 300 are configured to Near the horizontal part 241 of lower perforated plate 240 and the boundary of curved portion 243, to condense upon the horizontal part 241 of lower perforated plate 240 Even if the condensed water CW of bottom surface is mobile to side direction, can also be connect along 530 inner end of the lower part of leakproof wet part 500 and condensed water The side wall 310 for receiving device 300 flows downwards, and then is collected into condensate receiver 300, so as to prevent condensed water CW's Accumulation phenomena and the thus corrosion of caused lower perforated plate 240.

In addition, could be formed in the medial surface 510a of the leakproof wet part 500 towards the lateral surface of lower perforated plate 240 The abutting protrusion 520 of direction protrusion.It is described be close to protrusion 520 can the leakproof wet part 500 medial surface 510a along upper Under the position that separates be formed as multiple abuttings protrusions 521,522,523,524.

According to the composition of abutting protrusion 520 same as above, when effect has hydraulic pressure, along contrary with hydraulic pressure effect Direction protrusion leakproof wet part 500 the lateral surfaces of being tightly attached to lower perforated plate 240 of abutting protrusion 520, so as to effectively The gap that prevents condensed water CW to be impregnated between lower perforated plate 240 and leakproof wet part 500 and the phenomenon that leak.Also, it will be close to Protrusion 520 can be more reliably prevented from condensed water CW leakage in the case where the position vertically separated is formed as multiple.

In addition, in the edge part of the condensate receiver 300 equipped with first flange part 320, from condensate receiver The upper end of 300 side wall 310 extends outward and supports the lower part 530 of leakproof wet part 500.In the leakproof wet part 500 Lower part 530 and the first flange part 320 be formed with the fastening protrusion 321 and binding groove 531 for being mutually anchored on corresponding position, thus The leakage of condensed water CW, while the position of fixed leakproof wet part 500 can be blocked.

It also, include: extension 330 in the edge part of the condensate receiver 300, from first flange part 320 Outboard end extend to upside and be tightly attached to the lateral surface of leakproof wet part 500；And second flange part 340, from the extension The end in portion 330 extends outward.It is formed with and is mutually inserted pair on the top of leakproof wet part 500 540 and the second flange part 340 The insertion protrusion 541 and insertion groove 341 of position are answered, so as to block the leakage of condensed water CW, while fixed leakproof wet part 500 position.

It is same as above, in the smoke tube boiler 1 of an embodiment according to the present invention, pass through lower perforated plate 240 and outer cylinder 210 Between integrated structure and the structure of the lower perforated plate 240 including curved portion 243 can be improved pressure-resistant performance and durability, pass through It closes position between the leakproof wet part 500 of the edge part for the edge part and condensate receiver 300 for being located in lower perforated plate 240 System can prevent the accumulation phenomena of condensed water CW, and the abutting protrusion 520 by being formed in leakproof wet part 500 has been configured to Prevent to effect the leakage phenomenon of condensed water CW.

Hereinafter, referring to Fig.1 3 to Figure 37, to the composition and work of smoke tube boiler 1' according to another embodiment of the present invention With being illustrated.

Smoke tube boiler 1' according to another embodiment of the present invention includes mixing chamber 1000, heat exchanger 2000 and cold Condensate receiver 3000.Wherein, the mixing chamber 1000 is empty equipped with the mixing mixed with air of burning gas is made Between S, mixing chamber's main body 1100 of flat pattern and the plate shaped burner that is arranged on the upside of the C of combustion chamber in the horizontal direction 1300.The heat exchanger 2000 is constituted equipped with outer cylinder 2100 for making heating agent flow into and be discharged and accommodate the sink of heating agent The outer wall of B；The upper perforated plate 2200 of hardboard structure is incorporated into the inside of the outer cylinder 2100, with shape between the outer cylinder 2100 At heating agent flow path, and form the combustion chamber C；Multiple pipes 2300, are configured to flat pattern, so that producing in the combustion chamber C Raw burning gases carry out heat exchange along multiple 2300 internal flows of pipe and with the heating agent in flows outside；Turbulator 2400, 2500, it is incorporated into the inside of the pipe 2300 and is guided in the flowing of the burning gases and turbulent flow occurs；The diaphragm of multistage 2610,2620,2630, it is provided between the outer cylinder 2100 and the pipe 2300, and then guide the flow direction of heating agent to half The inside in diameter direction and outside are alternately converted；The lower perforated plate 2700 of hardboard structure supports the lower end of the pipe 2300 and composition The base surface of the sink B.The condensate receiver 3000 is collected the condensed water CW generated in the lower perforated plate 2700 and is drawn It is directed at 310 side of condensed water discharge outlet for being formed in side, and will be guided by the burning gases of the pipe 2300 to being connected to It states the upside of condensed water discharge outlet 3100 and is provided to 4000 side of exhaust pipe of the side of the outer cylinder 2100.

Also, the invention also includes premixing cavity 5000, make the combustion air supplied to the mixing chamber 1000 with Gas is pre-mixed；Mixed gas adjustment portion 6000, the flowing that opening and closing passes through the air and gas of the premixing cavity 5000 Access is to adjust the supply flow of mixed gas.

Referring to Fig.1 3 to Figure 19, the mixing chamber 1000 includes: mixing chamber's main body 1100, protrudes and constitutes to upside For flat pattern；Igniting rod assembly 1400, penetrates through a side of mixing chamber's main body 1100 and is assembled, and horizontal It wears the top of the combustion chamber C and extends to the downside of the plate shaped burner 1300；And sealing unit 1600,1700, 1800, for block the blending space S mixed gas and the combustion chamber C discharge gas by the mixing chamber Gap leakage between 1000 and the igniting rod assembly 1400 is to external.

Burner applied by the present invention is plate shaped burner 1300, comprising: the flame orifice plate 1310 of writing board shape is formed There are multiple flame hole 1310a；And metallic fiber 1320, it is incorporated into the flame orifice plate 1310.1100 bottom of mixing chamber's main body The blending space S-shaped separated between face and 1300 upper surface of plate shaped burner becomes flat disc, so as to Enough be formed as reducing the height of mixing chamber 1000.

Also, different from existing cylindrical combustor, the plate shaped burner 1300 is across the entire of blending space S Region and be equipped with, therefore the gas and air supply that flow into plate shaped burner 1300 are to the edge part of plate shaped burner 1300 Position portion, the i.e. position mutually close with the position equipped with sealing unit 1600,1700,1800, thus by the gas and Air realizes the air-cooled cooling of sealing unit 1600,1700,1800, extends combustion zone and reduces the negative of per unit area Lotus so as to reduce the discharge of the polluters such as CO, NOx, and then improves combustibility.

The igniting rod assembly 1400 for penetrating through a side of the mixing chamber 1000 and being assembled may include igniting Stick 1410 and flame sensing bar 1420, the fire rod 1410 include the first fire rod 1410-1 and the second fire rod 1410-2. The lateral surface of the fire rod 1410 and flame sensing bar 1420 be combined with the insulator 1410a constituted using megohmite insulant, 1420a is combined in the lateral surface of described insulator 1410a, 1420a for keeping airtight bushing 1410b, 1420b.

The fire rod 1410, insulator 1410a and bushing 1410b are fixed on fire rod board 1430, the flame Sensing bar 1420, insulator 1420a and bushing 1420b are fixed on flame sensing bar board 1440.The insulator 1410a, 1420a is for preventing from producing pyrophoric insulating unit due to being powered when igniting, and described bushing 1410b, 1420b are for close Gap between the lateral surface and fire rod board 1430 and flame sensing bar board 1440 of sealed insulator 1410a, 1420a Composition.

Referring to Fig.1 6, in a side of the mixing chamber 1000 equipped with the point for assembling igniting rod assembly 1400 Lighted torch assembly engaging portion 1500.The igniting rod assembly engaging portion 1500 includes: the second seal member placement portion 1510, structure As flute profile state, to dispose the fire rod board 1430 and combine the second seal member 1700 on the downside of it；Third sealing Component placement portion 1520 is configured to flute profile state, to dispose the flame sensing bar board 1440 and combine the third on the downside of it Seal member 1800.Also, equipped with for calory burning to shed around the igniting rod assembly engaging portion 1500 Multiple cooling fins 1530.

Referring to Fig.1 7 to Figure 19, in a side of mixing chamber's main body 1100, equipped with mixing in a manner of connecting Chamber ledge 1110 and support and connect plate shaped burner 1300 edge portion burner flange 1330, thus will The blending space S is closed, and the igniting rod assembly 1400 penetrates through mixing chamber in the position separated with the blending space S Flange 1110 and burner flange 1330 and assembled.

The sealing unit includes: the first seal member 1600, is provided to mixing chamber's flange 1110 and burner flange 1330 parts to connect are for preventing the mixed gas for flowing into the blending space S to be leaked to outside.First sealing Part 1600 can use heat resistance graphite material composition.

Also, the sealing unit includes: the second seal member 1700, is provided to mixing chamber's flange 1110 and fire rod For preventing the discharge gas leakage generated in the combustion chamber C to external between board 1430；Third seal member 1800, it is provided between mixing chamber's flange 1110 and flame sensing bar board 1440 for preventing in the combustion chamber C The discharge gas leakage of generation to outside.Second seal member 1700 and third seal member 1800 can use rubber material Material is constituted, and the second seal member 1700 and third seal member 1800 separate manufacture using independent component and carry out group Dress, so as to minimize the deformation of rubber material caused by high temperature.

Also, in the lateral surface of second seal member 1700 and the lateral surface of third seal member 1800, outward Multiple abutting protrusions 1710 that protrusion is formed can be formed with indwelling predetermined space, and the abutting protrusion 1710 is tightly attached to fire rod The bottom surface of the upper surface and flame sensing bar board 1440 of the bottom surface of board 1430 and the second seal member 1700 and The upper surface of three seal members 1800, so as to further increase leakproofness.

Also, it is same as above, it is combined in the lateral surface of insulator 1410a, 1420a of the igniting rod assembly 1400 Bushing 1410b, 1420b, so as to block mixed gas and mixed gas to be leaked to outside mixing chamber 1000 again.

Hereinafter, 8 and Figure 19 referring to Fig.1, to for blocking calory burning to be transferred to the sealing unit and radiating The composition of cooling unit and effect are illustrated.

The cooling unit is the composition that intercept heat is transmitted to sealing unit, may include air-cooled cooling unit and water Cold type cooling unit, wherein the sealing unit is used to prevent the calory burning generated in combustion chamber C from passing through the mixing chamber Gap leakage between 1000 and igniting rod assembly 1400.

It is same as above, in a side of the mixing chamber 1000, equipped with mixing chamber's flange in a manner of connecting 1110 and burner flange 1330, so that the blending space S is closed, the igniting rod assembly 1400 penetrates through the mixing Chamber ledge 1110 and burner flange 1330 and assembled, the air-cooled cooling unit be configured to by flow into institute The mixed gas by convection mode of blending space S is stated to cool down mixing chamber's flange 1110 and burner flange 1330.

It in addition, the heat exchanger 2000 is configured to fume tube type heat exchanger, and may include: outer cylinder 2100； Upper perforated plate 2200 constitutes the base surface of combustion chamber C and the upper surface of heat exchanger 2000；Multiple pipes 2300, upper end penetrate through simultaneously It is integrated to the pipe insert port 2210a for being formed in the upper perforated plate 2200, and burning gases are flowed by multiple 2300 inside of pipe It is dynamic；Heating agent is contained in the inside of outer cylinder 2100 in the outside of the pipe 2300 by sink B.The heating agent can be it is heating or Heating water or hot water as hot water.

For the water-cooled cooling unit, be provided to the heat exchanger 2000 on the downside of the combustion chamber C with heat Matchmaker contact upper tube plate flange 2230 be provided as with 1330 face contact of burner flange, so as to be configured to the burning Device flange 1330 and seal member 1600,1700,1800 are cold by means of the conduction pattern from the heating agent for being stored in sink B But.

Also, it is same as above, be assembled with it is described igniting rod assembly 1400 mixing chamber's main body 1100 a side, Equipped with multiple cooling fins 1530 around the igniting rod assembly 1400, the cooling fin 1530 can also be used as cooling Unit and function.

It is same as above, according to the present invention, by mixing chamber 1000 is provided as include flat pattern mixing chamber master Body 1100 and plate shaped burner 1300, to can be substantially reduced compared to the existing structure for being equipped with cylindrical combustor The height of mixing chamber 1000.

Also, mixing chamber's main body equipped with plate shaped burner 1300 is penetrated into the rod assembly 1400 that will light a fire 1100 side and when being assembled, sealing unit and cooling unit are equipped with, so as to block mixed gas and discharge gas The leakage of body, and can prevent sealing unit from thermal damage occurs due to calory burning.Therefore, equipped with plate shaped burning The mixing chamber 1000 of device 1300 can safely assemble igniting rod assembly 1400, and energy in the case of not using heat-barrier material The thermal damage of sealing unit is prevented, enough so as to block mixed gas and discharge gas leakage.

In addition, upper perforated plate 2000 includes: base plate 2210 referring to Figure 20, the bottom surface of combustion chamber C is formed；Sidewall portion 2220, Form the side wall of combustion chamber C；Upper tube plate flange 1330 disposes the burner flange 1330；Curved portion 2240 connects the side The inner end of the upper end of wall portion 2220 and the upper tube plate flange 1330；Curved portion 2250 connects the outer of the base plate 2210 The lower end of side and the sidewall portion 2220.

Same as above, upper perforated plate 2000 includes curved portion 2240,2250, so as to disperse to be stored in the heating agent of sink B Hydraulic pressure, and then improve upper perforated plate 2000 durability.The outside diameter d 1 of the upper tube plate flange 2230 and the curved portion 2240 Diameter difference between the internal diameter d2 of lower end is preferably constructed to relative to the ratio of the outside diameter d 1 of the upper tube plate flange 2230 20% or less.In the case where being configured to diameter difference ratio same as above, it can equably control and be contained in inside sink B The flow and temperature of water.

Also, be inserted into the plate shaped burner 1300 of the upper perforated plate 2200 bottom surface and upper perforated plate 2200 base surface it Between height h be set so that the end of the flame generated in the plate shaped burner 1300 and the bottom of the upper perforated plate 2200 Plate face is spaced a predetermined distance from, and when considering the length of flame of plate shaped burner 1300, the height h is preferably set to The size of 80mm or so.The base surface of the end and the upper perforated plate 2200 that are set so that flame as described above separates predetermined Apart from the reasons why be, in the end for the flame that the plate shaped burner 1300 generates and the base surface of the upper perforated plate 2200 Between be necessary to ensure that the item that predetermined space can ensure to minimize nitrogen oxides (NOx) and carbon monoxide (CO) experimentally Part.

Also, by the way that the height h of upper perforated plate 2200 is designed lower as described above, so that the height of combustion chamber C drops It is low, and then have the effect of that smoke tube boiler 1' whole height can be reduced.That is, in the feelings of the existing cylindrical combustor of application Under condition, the height between the bottom surface of burner and the base surface of upper perforated plate is 190mm or so, on the contrary, in the present invention, can incite somebody to action Its height is reduced to the size of 80mm or so, so that compared with the prior art, about 40% can be reduced for its height by having Advantage.

In addition, in the present embodiment, the igniting rod assembly 1400 is formed close to be supplied with to mixing chamber 1000 The position of the side for the mixed gas inflow entrance 1200 that the pressure fan 7000 of mixed gas connects.In this case, operator It is readily able to through mixed gas inflow entrance 1200 close to igniting rod assembly 1400, therefore improves the convenience of maintenance.

As another embodiment, as shown in earlier figures 2, the igniting rod assembly 1400 can also be provided to be mixed with described Close the opposite side of gas inflow entrance 1200.In this case, since the mixed gas supplied from pressure fan 7000 directly supplies Should extremely be lighted a fire rod assembly 1400, therefore have the effect of that late ignition can be prevented.

Referring to Figure 21 to Figure 26, the heat exchanger 2000 includes: outer cylinder 2100, is formed with heating agent inflow entrance 2110 and heat Matchmaker's outlet 2120 is so that heating agent flows into and discharge；Upper perforated plate 2200 is incorporated into the inside of the outer cylinder 2100, with it is described outer The flow path of heating agent is formed between cylinder 2100, and disposes plate shaped burner 1300, and then form combustion chamber C；Pipe assembly 10000, equipped with multiple pipes 2300 and turbulator 2400,2500, the multiple pipe 2300 is configured to flat shape, so that The burning gases that the combustion chamber C is generated carry out heat exchange along the multiple 2300 internal flow of pipe and with the heating agent, described Turbulator 2400,2500 is incorporated into the inside of the pipe 2300 and guides in the flowing of the burning gases and turbulent flow occurs；Under Tube sheet 2700 supports the pipe assembly 10000 and is incorporated into condensate receiver 3000.

In the lateral surface of the pipe 2300, the diaphragm 2610,2620,2630 equipped with multistage is separated along the vertical direction, is used Convert the flow direction of heating agent alternately towards the inside of radial direction and outside in the flow direction of guidance heating agent, the multistage Diaphragm 2610,2620,2630 be supported the fixed support of platform 2640.The multiple pipe 2300 is arranged along the vertical direction, so that The burning gases that the combustion chamber C is generated flow downwards, and spaced apart in the circumferential direction and be arranged as radial.

In the present embodiment, the diaphragm of the multistage include the top diaphragm 2610 of plate, middle part diaphragm 2620 and under Portion's diaphragm 2630.Referring to (a) of Figure 24, the pipe insert port for being inserted into pipe 2300 is formed in the top diaphragm 2610 2610a, and the opening portion 2610b for passing through heating agent is formed in center.Referring to (b) of Figure 24, in the middle part diaphragm The lateral surface indwelling interval of 2620, pipe insert port 2620b and pipe 2300 and formed, so that heating agent will be by being formed in pipe insert port Interval flowing between 2620b and pipe 2300.The central portion 2620b of middle part diaphragm 2620 is configured to the structure of blocking.As One embodiment, the pipe insert port 2620b are configured to two pipes 2300 in the structure that two sides separate and are inserted into.Referring to Figure 24 (c), the lower diaphragm 2630 be formed with the mutually isostructural pipe insert port 2630a of top diaphragm 2610, and in center It is formed with opening portion 2630b.

Passed through as shown in arrow in Figure 25 and Figure 26 according to 2610,2620,2630 structure of multistage diaphragm same as above The heating agent direction that heating agent inflow entrance 2110 flows into inside outer cylinder 2100 is formed in the opening portion 2630b of 2630 central portion of lower diaphragm It flows on the inside of radial direction, then, is dispersed to by the heating agent flowed on the upside of the opening portion 2630b to the lower part diaphragm 2630 It is flowed outward with the clearance space of the radial pipe insert port 2620b for being formed in middle part diaphragm 2620 along radial direction, Then, by the pipe insert port 2620b to the heating agent flowed on the upside of middle part diaphragm 2620 towards being formed in top diaphragm The opening portion 2610b in 2610 centers flows on the inside of radial direction, later, outer from being formed in by the opening portion 2610b The heating agent outlet 2120 of the top side of cylinder 2100 is discharged.

Same as above, the flow direction of heating agent is alternately converted to the inside of radial direction and outside, therefore the flowing of heating agent Apart from elongated, so as to improve the heat exchanger effectiveness of heat exchanger 2000, compared to existing heat exchanger, even if reducing Height can also obtain efficient heat exchange performance, to have the effect of can reduce 2000 height of heat exchanger.Also, The flow velocity for increasing heating agent, boiling phenomenon caused by the hot-spot that may cause when so as to prevent heating agent to stagnate.

Hereinafter, being illustrated referring to Figure 27 to Figure 33 to the composition and effect of pipe assembly 10000.

The pipe assembly 10000 of an embodiment according to the present invention includes: pipe 2300, is configured to flat pattern, so that The burning gases that combustion chamber C is generated carry out heat exchange along 2300 internal flow of pipe and with the heating agent in flows outside；Top turbulent flow Device 2400 is incorporated into the upper inner of the pipe 2300 close to the combustion chamber in a manner of with 2300 face contact of pipe, To improve pyroconductivity, and turbulent flow occurs for guidance in the combustion gas flow；And lower part turbulator 2400, in institute The downside for stating top turbulator 2400 is incorporated into the inside of the pipe 2300, and then hair is guided in the flowing of the burning gases Raw turbulent flow.

The top turbulator 2400 includes: pipe contact surface 2410:2410a, 2410b, is tightly attached to the medial surface of pipe 2300； Pressure support portion 2420:2420a, 2420b, described pipe contact surface 2410:2410a, 2410b cutting section 2430:2430a, 2430b bends and is formed.

In the pipe contact surface 2410, be tightly attached to the first pipe contact surface 2410a of the medial surface of a side of pipe 2300 with And it is tightly attached to the second pipe contact surface 2410b of the medial surface of the other side of pipe 2300 and is configured to symmetrical structure.

The pressure support portion 2420 is the deformation and breakage for preventing the pipe 2300 as caused by the hydraulic pressure of heating agent It constitutes, comprising: a part of curved in first pressure support portion 2420a, the first cutting section 2430a of the first pipe contact surface 2410a It rolls over and protrudes and formed towards the second pipe contact surface 2410b；The of second pressure support portion 2420b, the second pipe contact surface 2410b A part bending and the first pipe contact surface 2410a of direction in two cutting section 2430b are protruded and are formed.

The incision area of the first cutting section 2430a is formed larger than the incision area of the second cutting section 2430b, described The end of the protrusion of first pressure support portion 2420a is contacted with the second pipe contact surface 2410b, if pressure support portion 2420 is inserted into The inside of pipe 2300, then the end of the protrusion of the second pressure support portion 2420b penetrates through the first cutting section 2430a and connects It touches in the medial surface of pipe 2300.

According to such composition, when effect has hydraulic pressure, the first pressure support portion 2420a supports the first pipe contact surface 2410a and the second pipe contact surface 2410b and so that it is firmly held form, the second pressure support portion 2420b is further more It is firmly supported the pipe 2300 supported by the first pipe contact surface 2410a and the second pipe contact surface 2410b.

Also, as shown in figure 33, the first pressure support portion 2420a and second pressure support portion 2420b are along front and back To and up and down direction separate and be provided as it is multiple, positioned at upside first pressure support portion 2420a' be located at downside first pressure Power support portion 2420a " is provided to position nonoverlapping along the vertical direction, positioned at the second pressure support portion 2420b' of upside and position Second pressure support portion 2420b " in downside is also provided to position nonoverlapping along the vertical direction.According to such composition, lead to It crosses and is provided as supporting in the entire area of top turbulator 2400 along the first pressure that front and back and up and down direction constitute zigzag state Portion 2420a and second pressure support portion 2420b can make the hydraulic pressure for acting on pipe 2300 evenly dispersed, to be effectively prevented pipe 2300 deformation and breakage.

Also, the first pressure support portion 2420a and second pressure support portion 2420b are configured to plate, and constitute To make the wider two sides of area be arranged as the structure parallel with the flow direction of burning gases, thus arrow in (a) of such as Figure 32 Shown in head, when combustion gas flow, it can minimize and pass through first pressure support portion 2420a and second pressure in burning gases Flow resistance during support portion 2420b.

Referring to Figure 29, the lower part turbulator 2500 may include: planar portions 2510, and the inner space of pipe 2300 is divided into Two sides, and arranged along the length direction of the pipe 2300；First guide plate 2520 and the second guide plate 2530, in the plane The two sides in portion 2510 separate along its length and alternately obliquely protrusion is formed.

First guide plate 2520 obliquely arranges that described second draws in the one side of the planar portions 2510 along side Guide card 2530 is obliquely arranged in the another side of the planar portions 2510 along the other side.Therefore, first guide plate is flowed into 2520 and second the heating agent of guide plate 2530 be successively transferred to the opposite sides for being closely arranged in the planar portions 2510 respectively The second guide plate 2530 and the first guide plate 2520 and alternately in the two sides spatial flow of the planar portions 2510.

The heating agent of first guide plate 2520 flows into end and is connected to the planar portions 2510 by the first connection sheet 2520a A side, meanwhile, match between a side and the first connection sheet 2520a and the first guide plate 2520 for the planar portions 2510 Have the first communication port 2520b that fluid can be made to circulate to the two sides space of planar portions 2510.

The heating agent of second guide plate 2530 flows into end and is connected to the planar portions 2510 by the second connection sheet 2530a Another side, meanwhile, another side of the planar portions 2510 and the second connection sheet 2530a and the second guide plate 2530 it Between equipped with the second communication port 2530b that fluid can be made to circulate to the two sides space of planar portions 2510.

First guide plate 2520 and the second guide plate 2530 are configured to as follows: cutting the planar portions 2510 A part and bent respectively to the two sides of the planar portions 2510, and made by the part of the planar portions 2510 being cut open Fluid can circulate to the two sides space of above-mentioned planar portions 2510.Also, the two sides of turbulator 2500 are formed with point in lower part Supporting table 2530:2530a, 2530b do not protruded and connected with the opposite medial surface of the pipe 2300 in outward direction.And And it is respectively formed in the upper end of lower part turbulator 2500 with lower end: the first support portion 2550 and the second support portion 2560, Vertically separated in a manner of being connected on the two sides of the pipe 2300 and forwards and rear protrude and vertically separate and cloth It sets.

In addition, the smoke tube boiler 1' includes: condensate receiver 3000 referring to Figure 34 to Figure 37, combustion gas is collected Vapor included in body condenses condensed water generated by the heat exchanger 2000, and discharges it；Preventing water leakage Component 3200 is incorporated into the lower perforated plate 2700 of the heat exchanger 2000 and the interconnecting piece of condensate receiver 3000, to be used for Prevent the leakage of condensed water.

Together referring to Figure 22, the lower perforated plate 2700 is configured to hardboard structure, and includes: horizontal part 2710, is formed with The multiple pipes penetrated through by the lower end of the pipe 2300 are inserted into hole 2710a, thus described in the lower end of support tube 2300 and composition The base surface of sink B；Vertical component effect 2720 is incorporated into the lower end of the outer cylinder 2100；Curved portion 2730 connects the horizontal part The lower end of 2710 outboard end and the vertical component effect 2720, is configured to the shape being convexly curved outward, to disperse institute State the hydraulic pressure of heating agent.

It is same as above, it is formed with outward in the horizontal part 2710 of connection lower perforated plate 2700 and the corner of vertical component effect 2720 The curved portion 2730 for the shape being convexly curved so as to disperse the hydraulic pressure of heating agent, and then improves the water-fast of lower perforated plate 2700 Performance is pressed, to can be improved durability by the deformation for minimizing lower perforated plate 2700.

Hereinafter, being illustrated to condensate receiver 3000 and the integrated structure of leakproof wet part 3200.

Referring to Figure 36 and Figure 37, the leakproof wet part 3200 is located in the edge part of lower perforated plate 2700 and condensed water receives Play the role of preventing condensed water from revealing between the edge part of device 3000.The main body 3210 of the leakproof wet part 3200 is equipped with For surround lower perforated plate 2700 curved portion 2730 and vertical component effect 2720 lower part form, to condense upon the lower perforated plate 2700 Horizontal part 2710 base plate 2330 from the lower part of the main body 3210 to side that can be extended to form from of condensed water CW it is horizontal To blocking, so that the movement along side direction is blocked and falls to downside.

In addition, could be formed with the outside towards lower perforated plate 2700 in the medial surface 3210a of the leakproof wet part 3200 The abutting protrusion 3220 of the direction protrusion in face.The abutting protrusion 3220 can be in the medial surface of the leakproof wet part 3200 The position that 3210a is vertically separated is formed as multiple abutting protrusion 3220a, 3220b, 3220c, 3220d, 3220e, 3220f.

According to the composition of abutting protrusion 3220 same as above, when effect has hydraulic pressure, along the direction phase with hydraulic pressure effect The abutting protrusion 3220 of the leakproof wet part 3200 of anti-direction protrusion is tightly attached to the lateral surface of lower perforated plate 2700, so as to have The gap that effect condensed water CW is prevented to be impregnated between lower perforated plate 2700 and leakproof wet part 3200 and the phenomenon that leak.Also, It will be close to protrusion 3220 in the case where the position vertically separated is formed as multiple, condensed water CW can be more reliably prevented from and let out Dew.

In the edge part of the condensate receiver 3000 equipped with the first flange for supporting the leakproof wet part 3200 Portion 3010 is formed with the fastening protrusion for being mutually anchored on corresponding position in the leakproof wet part 3200 and the first flange part 3010 3010a and binding groove 3230a.It also, include: extension 3020 in the edge part of the condensate receiver 3000, from described The outboard end of first flange part 3010 extends to upside and is tightly attached to the lateral surface of leakproof wet part 3200；And second flange part 3030, extend outward from the end of the extension 3020.Top and second flange part in leakproof wet part 3200 3030 are formed with the insertion protrusion 3240a and insertion groove 3240b for being mutually inserted corresponding position.According to composition same as above, energy The leakage of condensed water CW is enough blocked, while the position of leakproof wet part 3200 can be firmly fixed.

In addition, referring to Figure 35, in the inside of the condensate receiver 3000 equipped with exhaust guiding piece 3300, the row Gas guiding piece 3300 is formed with multiple punching 3310:3310a, 3310b, so that the burning gases by heat exchanger 2000 are uniform Ground is distributed in the whole region of the condensate receiver 3000 and is discharged.Combustion gas can be considered in the size of the punching 3310 The flow direction of body is formed as mutually different size.

Also, it is formed with stage portion 3040 in the base surface of the condensate receiver 3000, the stage portion 3040 is drawn The burning gases that the exhaust guiding piece 3300 was connected are arranged to the condensed water for being formed in 3,000 1 side lower part of condensate receiver The flowing of 3100 sides is exported, as indicated the dotted arrow of condensed water discharge direction in Figure 37 and indicated combustion gas flow direction Shown in solid arrow, inside condensate receiver 3000, the discharge and the flow direction of the burning gases of the condensed water Identical direction carries out.According to such composition, along flow of exhaust move direction guide condensed water, so as to prevent due to The corrosion of lower perforated plate 2700 caused by the accumulation phenomena of condensed water, and condensed water can be guided to condensed water discharge outlet 3100 Side and be smoothly discharged out.

As described above, the present invention is not limited to the above embodiments, claimed in not departing from claims In the case where the technical idea of invention, the personnel for having basic knowledge in technical field belonging to the present invention can be realized obviously Deformation implementation, these deformation implementations are within the scope of the present invention.

Claims

1. a kind of smoke tube boiler characterized by comprising

The mixing chamber being arranged on the upside of combustion chamber equipped with the blending space for mixing burning gas and air and puts down Plate shape burner；

Igniting rod assembly, penetrates through a side of the mixing chamber and is assembled, and cross the top of the combustion chamber And extend to the downside of the plate shaped burner；And

Sealing unit, mixed gas and the discharge gas of the combustion chamber for blocking the blending space pass through the mixing Gap leakage between chamber and the igniting rod assembly is to external.

2. smoke tube boiler according to claim 1, which is characterized in that

In a side of the mixing chamber, equipped with mixing chamber's flange and burner flange in a manner of connecting, thus will The blending space is closed,

The igniting rod assembly penetrates through mixing chamber's flange in the position separated with the blending space and burner is convex Edge and assembled.

3. smoke tube boiler according to claim 2, which is characterized in that

The sealing unit includes: the first seal member, is provided to the portion that mixing chamber's flange connects with burner flange Point, for preventing the leakage of the mixed gas.

4. smoke tube boiler according to claim 3, which is characterized in that

On the top of first seal member equipped with for blocking the calory burning generated in the combustion chamber to carry out hot biography The heat-barrier material passed.

5. smoke tube boiler according to claim 3, which is characterized in that

On the top of one side of mixing chamber equipped with making the igniting rod assembly board that penetrates through and combine,

The sealing unit includes: the second seal member, be provided to one side of mixing chamber top and the board Between, for preventing the leakage of the discharge gas.

6. smoke tube boiler according to claim 5, which is characterized in that

In the lateral surface of second seal member, multiple abutting protrusion indwelling predetermined spaces of formation are protruded outward and shape At.

7. smoke tube boiler according to claim 1 or 3, which is characterized in that

The igniting rod assembly includes fire rod and flame sensing bar,

One side of mixing chamber top equipped with make the fire rod penetrate through and the fire rod board that combines and The flame sensing bar board for penetrating through the flame sensing bar and combining,

The sealing unit is provided between the top and the fire rod board of one side of mixing chamber and described Between the top of one side of mixing chamber and the flame sensing bar board.

8. smoke tube boiler according to claim 1, which is characterized in that further include:

Cooling unit, for blocking the calory burning generated at the combustion chamber (C) to carry out hot transmitting to the sealing unit.

9. smoke tube boiler according to claim 8, which is characterized in that

The cooling unit includes air-cooled cooling unit and water-cooled cooling unit.

10. smoke tube boiler according to claim 9, which is characterized in that

The igniting rod assembly penetrates through mixing chamber's flange and the burner flange and is assembled,

The air-cooled cooling unit passes through the cooling mixing chamber's flange of the mixed gas for flowing into the blending space and institute State burner flange.

11. smoke tube boiler according to claim 9, which is characterized in that

In the water-cooled cooling unit, it is provided to the upper tube of the heat exchanger of the downside of the combustion chamber contacted with heating agent Plate flange is equipped in a manner of with the burner Hp contacts, thus the cooling burner flange.

12. smoke tube boiler according to claim 8, which is characterized in that

In a side of the mixing chamber for being assembled with igniting rod assembly, equipped with multiple around the igniting rod assembly Cooling fin.

13. smoke tube boiler according to claim 1 characterized by comprising

Outer cylinder is provided to the periphery of the internal pipe for passing through burning gases, to constitute receiving heating agent in the outside of the pipe The outer wall of sink；

The lower perforated plate of hardboard structure, including horizontal part, vertical component effect and curved portion, the horizontal part support the lower end of the pipe simultaneously The base surface of the sink is constituted, the vertical component effect is incorporated into the lateral surface of the lower end of the outer cylinder, the curved portion connection The lower end of the outboard end of the horizontal part and the vertical component effect is simultaneously configured to the shape being convexly curved outward, to disperse The hydraulic pressure of the heating agent.

14. smoke tube boiler according to claim 13, which is characterized in that

The vertical component effect insertion of the lower perforated plate is incorporated into the lateral surface of the lower end of the outer cylinder.

15. smoke tube boiler according to claim 13, which is characterized in that

It is formed with the flange part of definite length extended outward in the upper end of the vertical component effect of the lower perforated plate,

The flange part is between the lateral surface of the outer cylinder in conjunction with welding.

16. smoke tube boiler according to claim 13 characterized by comprising

Condensate receiver is provided to the downside of the lower perforated plate and collects the condensed water generated in the lower perforated plate；And

Leakproof wet part is located between the edge part of the lower perforated plate and the edge part of the condensate receiver, to be used for Prevent the leakage of condensed water.

17. smoke tube boiler according to claim 16, which is characterized in that

The leakproof wet part is provided as surrounding the form of the lower part of the curved portion of the lower perforated plate and vertical component effect,

The condensed water of the horizontal part of the lower perforated plate is condensed upon by the leakproof wet part transverse barriers, thus along the shifting of side direction It is dynamic to be blocked and fallen to downside.

18. smoke tube boiler according to claim 17, which is characterized in that

The side wall of the condensate receiver is provided as near the horizontal part of the lower perforated plate and the boundary of curved portion, thus Guidance condensed water is fallen.

19. smoke tube boiler according to claim 16, which is characterized in that

The abutting protrusion towards the direction of the lateral surface of lower perforated plate protrusion is formed in the medial surface of the leakproof wet part.

20. smoke tube boiler according to claim 19, which is characterized in that

The abutting protrusion is formed as multiple in the position that the medial surface of the leakproof wet part vertically separates.

21. smoke tube boiler according to claim 19, which is characterized in that

In the edge part of the condensate receiver equipped with first flange part, from the upper end of the side wall of condensate receiver to Outside extends and supports the lower part of the leakproof wet part,

The fastening protrusion and fastening for being mutually anchored on corresponding position are formed in the leakproof wet part and first flange part Slot.

22. smoke tube boiler according to claim 21, which is characterized in that

In the edge part of the condensate receiver further include: extension prolongs from the outboard end of first flange part to upside Stretch and be tightly attached to the lateral surface of the leakproof wet part；And second flange part, extend outward from the end of the extension,

The top of the leakproof wet part and second flange part be formed be mutually inserted corresponding position insertion protrusion and Insertion groove, to block the leakage of condensed water, while the position of the fixed leakproof wet part.

23. smoke tube boiler according to claim 13, which is characterized in that

In the inside of the condensate receiver equipped with exhaust guiding piece, the exhaust guiding piece is formed with multiple punchings, with The whole region that the condensate receiver is distributed evenly in by the burning gases of the heat exchanger is discharged.

24. smoke tube boiler according to claim 23, which is characterized in that

It is formed with stage portion in the base surface of the condensate receiver, the stage portion guidance passes through the exhaust guiding piece Burning gases are flowed to the condensed water discharge outlet side, to make the row of the condensed water inside the condensate receiver Direction identical with the flow direction of the burning gases carries out out.

25. smoke tube boiler according to claim 1, which is characterized in that

The mixing chamber includes mixing chamber's main body of flat pattern and the upside for being arranged in the combustion chamber in the horizontal direction The plate shaped burner.

26. smoke tube boiler according to claim 25, which is characterized in that

The bottom surface of mixing chamber's main body is formed as flat with the space of the upper surface of the plate shaped burner being spaced apart Disc.

27. smoke tube boiler according to claim 1, which is characterized in that further include:

Heat exchanger, for carrying out heat exchange between the calory burning and heating agent of the combustion chamber,

The heat exchanger includes: outer cylinder, constitute for make heating agent flow into and be discharged and accommodate heating agent sink outer wall；Hardboard The upper perforated plate of structure is incorporated into the inside of the outer cylinder, so that heating agent flow path is formed between upper perforated plate and the outer cylinder, and Form the combustion chamber；Multiple pipes, are configured to flat pattern, and the burning gases for generating in the combustion chamber are along multiple pipes Portion's flowing simultaneously carries out heat exchange in external heating agent with flowing；Turbulator is incorporated into the inside of the pipe and in the combustion gas Turbulent flow occurs for guidance in the flowing of body；The diaphragm of multistage is provided between the outer cylinder and the pipe, and then guides the stream of heating agent It is alternately converted to the inside of radial direction and outside in dynamic direction；The lower perforated plate of hardboard structure supports the lower end of the pipe and structure At the bottom surface of the sink.

28. smoke tube boiler according to claim 27, which is characterized in that

The flange of the upper perforated plate protrudes to be formed in the upper end of the curved portion outward,

Diameter difference between the outer diameter of the flange of the upper perforated plate and the internal diameter of the curved portion lower end is relative to the upper perforated plate Flange outer diameter ratio be 20% or less.

29. smoke tube boiler according to claim 27, which is characterized in that

The height setting being inserted between the bottom surface of the plate shaped burner of the upper perforated plate and the base surface of the upper perforated plate It is spaced a predetermined distance from the end of the flame of the plate shaped burner generation and the base surface of the upper perforated plate to make.

30. smoke tube boiler according to claim 27, which is characterized in that

The turbulator includes: top turbulator, and the institute close to the combustion chamber is incorporated into a manner of with the pipe face contact The upper inner of pipe is stated, to improve pyroconductivity, and turbulent flow occurs for guidance in the flowing of the burning gases；And

Lower part turbulator is incorporated into the inside of the pipe on the downside of the top turbulator, thus in the burning gases Turbulent flow occurs for guidance in flowing.