CN205980281U - Biomass boiler - Google Patents

Abstract

The utility model provides a biomass boiler, relate to the heat transfer device field, this biomass boiler includes combustion chamber and heat transfer room, combustion chamber is provided with the feed inlet, water inlet and first exhaust port, the heat transfer room includes an ash removing room, the 2nd ash removing room and multiunit heat exchange tube, the heat transfer room is provided with the second exhaust port, an ash removing room and heat exchange tube intercommunication, the 2nd ash removing room and heat exchange tube intercommunication, a plurality of heat exchange tube intervals set up and form the heat transfer clearance, the heat exchange tube and first exhaust port intercommunication that are close to combustion chamber, keep away from combustion chamber's heat exchange tube and second exhaust port intercommunication, heat transfer clearance and water inlet intercommunication. Through set up an ash removing room and the 2nd ash removing room on the heat exchange tube, the main deposit of cigarette ash is in an ash removing room and the 2nd ash removing room, and is more convenient to an ash removing room and the 2nd ash removing room's washing, avoids cigarette ash to stop up the heat exchange tube to guarantee the circulation of the interior flue gas of heat exchange tube, be favorable to improving heat exchange efficiency, improved the utilization ratio of fuel.

Description

A kind of biomass boiler

Technical field

This utility model is related to heat-exchanger rig field, in particular to a kind of biomass boiler.

Background technology

With expanding economy, the progress of society, energy conservation has become as certainty and social consensus.Various boilers are more next More develop towards save energy, direction that is easy to use, saving the features such as space, safe and efficient, one-machine-multi-function.Biomass boiler No exception as small-sized heating equipment.Generally biomass boiler is made up of a few part such as combustor, heating pipe, water tank, The heat exchange efficiency of biomass boiler is relatively low, leads to the utilization rate of fuel low.

Utility model content

The purpose of this utility model is to provide a kind of biomass boiler, and it can clear up the dust of smoke exhaust pipe, smoke exhaust pipe Interior flue gas circulation is more smooth, is conducive to improving heat transfer effect.

Embodiment of the present utility model is realized in：

A kind of biomass boiler, including main chamber and Heat Room, main chamber is provided with charging aperture, water inlet and first Exhaust opening, Heat Room includes the first deashing chamber, the second deashing chamber and multigroup heat exchanger tube, and Heat Room is provided with the second exhaust opening, the One deashing chamber is connected with heat exchanger tube, and the second deashing chamber is connected with heat exchanger tube, multiple heat exchanger tube interval settings and formed heat exchange gap, Heat exchanger tube near main chamber is connected with the first exhaust opening, and the heat exchanger tube away from main chamber is connected with the second exhaust opening, changes Temperature gap is connected with water inlet.

Further, in preferred embodiment of the present utility model, above-mentioned first deashing chamber includes multiple separate One deashing unit, the second deashing chamber includes multiple the second separate deashing units, the first deashing unit and the second deashing list Unit is crisscross arranged, and is connected by heat exchanger tube, and it is single that the first deashing unit, heat exchanger tube and the second deashing unit form the smoke evacuation of " U " type Unit, multiple " U " type fume extraction unit joins end to end, and forms snakelike discharge flue.

Further, in preferred embodiment of the present utility model, near the first deashing unit and the of above-mentioned main chamber One exhaust opening connection, the first deashing unit away from main chamber is connected with the second exhaust opening.

Further, in preferred embodiment of the present utility model, above-mentioned multiple first deashing units spaced and for point Body structure, multiple second deashing units spaced and be Split type structure.

Further, in preferred embodiment of the present utility model, above-mentioned first deashing chamber is provided with multiple through holes and multiple Baffle plate, multiple baffle plates and multiple through hole correspond, and multiple first deashing units are connected with each other, and isolate first by multiple baffle plates Deashing chamber is formed, and baffle plate includes hole baffle plate and imperforate baffle, has hole baffle plate and imperforate baffle all detachable with the first deashing chamber Connect.

Further, in preferred embodiment of the present utility model, above-mentioned first deashing chamber is in the part setting positioned at through hole Chute, has hole baffle plate and imperforate baffle to be all connected with slide.

Further, in preferred embodiment of the present utility model, above-mentioned any one group of heat exchanger tube includes being arranged by multiple tubing element First row pipe fitting and second row pipe fitting that row are formed, first row pipe fitting and second row pipe fitting are crisscross arranged, and the section of pipe fitting is circle Shape or hexagon.

Further, in preferred embodiment of the present utility model, the outside of above-mentioned main chamber is provided with preheating cylinder, preheating Jacket casing is connected located at the outside of main chamber and with the outer wall of main chamber, and water inlet is arranged on preheating cylinder, preheats cylinder and master There is gap between the outer wall of combustor, and form preheating water channel, the connection in preheating water channel and heat exchange gap.

Further, in preferred embodiment of the present utility model, above-mentioned biomass boiler also includes reclaiming combustor, transmission Band and the drive mechanism for driving conveyer belt, drive mechanism is connected with conveyer belt, and the bottom of main chamber is provided with out Material mouth, conveyer belt is located at and reclaims burning interior, and one end of conveyer belt is stretched out the lower section reclaimed combustor and be located at discharging opening, reclaimed Combustor is located at the bottom of Heat Room, and contacts with Heat Room.

Further, in preferred embodiment of the present utility model, above-mentioned biomass boiler also includes aerator, main chamber Bottom be additionally provided with the first air compartment, the lower section of described conveyer belt is provided with the second air compartment, described first air compartment and described second Air compartment is connected with described aerator respectively, and described first air compartment is provided with the first tap hole, institute near the side of described combustor State the second air compartment and the side of described main chamber is provided with the second tap hole.

The beneficial effect of this utility model embodiment is：By the first deashing chamber and the second deashing are arranged on heat exchanger tube Many heat exchanger tubes are connected by room, the first deashing chamber and the second deashing chamber, flue gas in heat exchange Bottomhole pressure, in the first deashing chamber and Second deashing interior steering, easily deposits dust, the design of the first deashing chamber and the second deashing chamber, is avoided that flue dust in heat exchanger tube Interior deposition, and the first deashing chamber and the second deashing are indoor to make flue dust mainly be deposited on, to the first deashing chamber and the second deashing chamber Easy to clean, cleaning in time is avoided that flue dust blocking heat exchanger tube, thus ensure that the circulation of heat exchange inner tube smoke, is conducive to Improve heat exchange efficiency, improve the utilization rate of fuel.

Brief description

In order to be illustrated more clearly that the technical scheme of this utility model embodiment, below will be to use required in embodiment Accompanying drawing be briefly described it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should be by Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used To obtain other related accompanying drawings according to these accompanying drawings.

The structural representation of the biomass boiler that Fig. 1 provides for this utility model first embodiment；

The structural representation of the Heat Room of the biomass boiler that Fig. 2 provides for this utility model first embodiment；

The sectional view of the heat exchanger tube of the biomass boiler that Fig. 3 provides for this utility model first embodiment；

The structural representation of the Heat Room of the biomass boiler that Fig. 4 provides for this utility model second embodiment；

The first deashing chamber of biomass boiler and the connection signal of baffle plate that Fig. 5 provides for this utility model second embodiment Figure.

In figure：

Biomass boiler 100；

Main chamber 110；Charging aperture 111；Discharging opening 112；Water inlet 113；First air compartment 114；First exhaust opening 115； Preheating cylinder 116；Preheating water channel 117；First tap hole 118；

Feeding mechanism 120；Hopper 121；Automatic charging auger 122；

Aerator 130；

Heat Room 140,240；First deashing chamber 141,241；First deashing unit 141a, 241a；Second deashing chamber 142, 242；Second deashing unit 142a, 242a；Heat exchanger tube 143；First group of heat exchanger tube 143a；Second group of heat exchanger tube 143b；3rd group Heat exchanger tube 143c；4th group of heat exchanger tube 143d；Heat exchange gap 144；Second exhaust opening 145；Pipe fitting 146；First row pipe fitting 146a； Second row pipe fitting 146b；Through hole 247；Baffle plate 248；There is hole baffle plate 248a；Imperforate baffle 248b；

Recovering mechanism 150；Reclaim combustor 151；Conveyer belt 152；Drive mechanism 153；Reclaim drawer 154；Second air compartment 155；Second tap hole 156；

Tail gas processing mechanism 160；Separator 161；Flue dust drawer 162.

Specific embodiment

Purpose, technical scheme and advantage for making this utility model embodiment are clearer, new below in conjunction with this practicality Accompanying drawing in type embodiment, is clearly and completely described it is clear that being retouched to the technical scheme in this utility model embodiment The embodiment stated is a part of embodiment of this utility model, rather than whole embodiments.Generally described in accompanying drawing herein and The assembly of this utility model embodiment illustrating can be arranged with various different configurations and design.

Therefore, below requirement is not intended to limit to the detailed description of the embodiment of the present utility model providing in the accompanying drawings The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in this utility model Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, all Belong to the scope of this utility model protection.

It should be noted that：Similar label and letter represent similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined in individual accompanying drawing, then do not need it to be defined further and explains in subsequent accompanying drawing.

First embodiment

Refer to Fig. 1, the present embodiment provides a kind of biomass boiler 100, and it includes main chamber 110, feeding mechanism 120th, aerator 130, Heat Room 140, recovering mechanism 150 and tail gas processing mechanism 160.

Main chamber 110 is used for heating burning fuel, using the high-temperature flue gas that fuel combustion produces, water is heated. Main chamber 110 is tubular structure, and main chamber 110 is provided with charging aperture 111, discharging opening 112, water inlet 113, the first air compartment 114 and first exhaust opening 115.Its middle charging aperture 111 and the first exhaust opening 115 are close to the top setting of main chamber 110, and Discharging opening 112 and the first air compartment 114 may be contained within the bottom of main chamber 110.Charging aperture 111 is connected with feeding mechanism 120, goes out Material mouth 112 is connected with recovering mechanism 150, and the first air compartment 114 is connected with aerator 130, water inlet 113 and the first exhaust opening 115 It is connected with Heat Room 140 respectively.

Preheating cylinder 116 is used for being connected with main chamber 110, and water is preheated, by preheating cylinder 116 is set in master The outside of combustor 110, water inlet 113 is arranged on the gap shape on preheating cylinder 116, between preheating cylinder 116 and main chamber 110 Become preheating water channel 117, preheating water channel 117 is connected with Heat Room 140.The water being entered by water inlet 113, flows through preheating water channel 117, because fuel burns in main chamber 110, produce substantial amounts of heat, this partial heat can pass through main chamber 110 Side wall carry out conduction of heat, thus heating the water in preheating water channel 117, the water after preheating enters back into Heat Room 140 and carries out Further heat exchange.

Feeding mechanism 120 is used for connecting with the charging aperture 111 of main chamber 110, the feed into main chamber 110, its bag Include hopper 121 and automatic charging auger 122, the feed end of automatic charging auger 122 is connected with hopper 121, discharge end and charging Mouthfuls 111 connections, carry out feed by automatic charging auger 122 to main chamber 110, its can according to needed for detection boiler fuel How much automatically add, more intelligently.

Aerator 130 is used for connecting with the first air compartment 114 of main chamber 110, is passed through excessive into main chamber 110 Air, the first air compartment 114 of main chamber 110 is arranged at the bottom of main chamber 110, and the bottom in main chamber 110 It is provided with multiple first tap holes 118, the first tap hole 118 is annularly arranged, and is located on the outside of discharging opening 112, first The two ends of tap hole 118 inner space with the first air compartment 114 and main chamber 110 respectively.Gas enters through the first air compartment 114 Enter the first tap hole 118, the first tap hole 118 will enter the air flow of main chamber 110, admit air into more uniform, The fuel of close first tap hole 118, under the drive of the gas that the first tap hole 118 sprays, forms fluidized-bed layer, fluid bed The formation of layer makes fuel and air mixing more uniform, burns more abundant.

Please refer to Fig. 1 and Fig. 2, Heat Room 140 is used for connecting with main chamber 110, and using in main chamber 110 The high-temperature flue gas producing heat to water.Heat Room 140 includes the first deashing chamber 141, the second deashing chamber 142 and multigroup heat exchange Pipe 143, Heat Room 140 is provided with the second exhaust opening 145.

Heat exchanger tube 143 is tubulose, and is straight tube, and heat exchanger tube 143 is vertically arranged in Heat Room 140, multiple heat exchanger tubes 143 Interval setting and form heat exchange gap 144, the first deashing chamber 141 is arranged at the top of heat exchanger tube 143, and with heat exchanger tube 143 Top connects, and the second deashing chamber 142 is arranged at the bottom of heat exchanger tube 143, and connects with the bottom of heat exchanger tube 143, wherein, first Deashing chamber 141 or the second deashing chamber 142 the first exhaust opening 115 near the side of main chamber 110 and main chamber 110 connects Logical, heat exchange gap 144 is connected with preheating water channel 117；First deashing chamber 141 or the second deashing chamber 142 are away from main chamber 110 Side is connected with the second exhaust opening 145.

First deashing chamber 141 or the second deashing chamber 142 can be an overall or multiple independent split knot Structure.First deashing chamber 141 and the second deashing chamber 142 is dismountable is connected with heat exchanger tube 143.In order that flue gas is in heat exchanger tube 143 The interior stop longer time, thus lifting heat transfer effect, in the present embodiment, the preferably first deashing chamber 141 includes multiple mutually only The first vertical deashing unit 141a, the second deashing chamber 142 includes multiple the second separate deashing unit 142a, the first deashing Unit 141a and the second deashing unit 142a is crisscross arranged, and is connected by heat exchanger tube 143.First deashing unit 141a, heat exchange Pipe 143, the second deashing unit 142a, heat exchanger tube 143 and the first deashing unit 141a are sequentially connected, and form " U " type fume extraction unit, Multiple " U " type fume extraction unit joins end to end, and forms snakelike discharge flue.The setting of first deashing chamber 141 and the second deashing chamber 142 Put, be easy to clear up the flue dust being piled up in the first deashing chamber 141 and the second deashing chamber 142 in time, it is to avoid flue dust blocks heat exchanger tube 143.Gas circulation in heat exchanger tube 143 is more smooth, and circulation increases, and is conducive to strengthening in heat exchanger tube 143 and heat exchange gap 144 Water heat transfer effect.

The first deashing unit 141a near main chamber 110 is connected with the first exhaust opening 115, away from main chamber 110 The first deashing unit 141a connect with the second exhaust opening 145.

Multiple first deashing unit 141a can be completely independent, and forms split-type structural it is also possible to by dividing plate by first Deashing chamber 141 cut-off forms multiple first deashing unit 141a, the set-up mode of the second deashing unit 142a and the first deashing list First 141a is identical, no longer illustrates here.In the present embodiment, preferably multiple first deashing unit 141a are spaced and for split type Structure, multiple second deashing unit 142a are also spaced simultaneously.

Specifically, there are 4 groups of heat exchanger tubes 143, respectively first group heat exchanger tube 143a, second group of heat exchanger tube in the present embodiment 143b, the 3rd group of heat exchanger tube 143c and the 4th group of heat exchanger tube 143d, 4 groups of heat exchanger tubes 143 are arranged side by side, accordingly, the first deashing Unit 141a is 3, and the second deashing unit 142a is 2.The top of wherein first group of heat exchanger tube 143a is provided with one first Deashing unit 141a, this first deashing unit 141a is also connected with the first exhaust opening 115, second group heat exchanger tube 143b and the 3rd group The top of heat exchanger tube 143c shares second the first deashing unit 141a, and the top of the 4th group of heat exchanger tube 143d is used alone the 3rd Individual first deashing unit 141a, the 3rd the first deashing unit 141a is also connected with the second exhaust opening 145.And, first group is changed The bottom of heat pipe 143a and second group of heat exchanger tube 143b shares a second deashing unit 142a, the 3rd group of heat exchanger tube 143c and the The bottom of four groups of heat exchanger tube 143d shares another second deashing unit 142a.

By being crisscross arranged of 3 the first deashing unit 141a and 2 the second deashing unit 142a, form snakelike smoke evacuation logical Road, makes flue gas sequentially enter first the first deashing unit 141a, first group of heat exchanger tube 143a, first second deashing unit 142a, second group of heat exchanger tube 143b, second the first deashing unit 141a, the 3rd group of heat exchanger tube 143c, second second deashing Unit 142a, the 4th group heat exchanger tube 143d and the 3rd the first deashing unit 141a, and discharge from the second exhaust opening 145.Snakelike Discharge flue makes motion path in heat exchanger tube 143 for the flue gas elongated, extends its movement time, thus increasing its heat transfer effect.

Certainly, in other embodiments, the first deashing unit 141a, the second deashing unit 142a and heat exchanger tube 143 is individual Number and arrangement mode can also be increased or decreased according to the actual requirements, and are not limited to number and the row provide in the present embodiment Mode for cloth.

In order to strengthen the time of contact of flue gas and water, generally using extending flowing time in heat exchanger tube 143 for the flue gas, that is, Extend the flow path of flue gas.In the present embodiment, realize increasing the flow path of flue gas by way of snakelike discharge flue.Cigarette When gas turns in snakelike discharge flue, flue gas, under effect of inertia, can clash into heat exchanger tube 143, thus depositing dust, this enforcement In example, the first deashing chamber 141 and the second deashing chamber 142 are arranged by the position turning to heat exchanger tube 143, so that flue gas was both enabled Serpentine locomotion, simultaneously when turning to, clashes into the first deashing chamber 141 and the second deashing chamber 142, it is to avoid pile up in heat exchanger tube 143 Flue dust and lead to heat exchanger tube 143 to block, the setting of the first deashing chamber 141 and the second deashing chamber 142, significantly reduce heat exchanger tube The probabilities of 143 blockings, thus ensure flue gas circulation in heat exchanger tube 143 it is ensured that heat transfer effect.

Refer to Fig. 3, multigroup heat exchanger tube 143 is included by the first row pipe fitting 146a and of multiple tubing element 146 arrangement form Two comb part 146b, first row pipe fitting 146a and second row pipe fitting 146b are crisscross arranged, and multiple rows of pipe fitting 146 carries out heat exchange simultaneously, Heat exchange area is bigger, and heat transfer effect is more preferable.The section of pipe fitting 146 can be circle, tetragon, pentagon, hexagon etc., this reality The section applying preferred pipe fitting 146 in example is circle.

Please continue to refer to Fig. 1, recovering mechanism 150 includes reclaiming combustor 151, conveyer belt 152, drive mechanism 153, reclaims Drawer 154, the second air compartment 155 and the second tap hole 156.

Reclaim the bottom that combustor 151 is located at Heat Room 140, and contact with Heat Room 140.Drive mechanism is used for driving biography Send band 152 motion, thus realizing driving the fuel on conveyer belt 152 towards the direction motion reclaiming combustor 151.Conveyer belt 152 are located in recovery combustor 151, and the lower section reclaimed combustor 151 and be located at discharging opening 112 is stretched out in one end of conveyer belt 152, For transmitting the fuel after burning in main chamber 110, completely, fuel continues on conveyer belt 152 fuel unburned now Burning, the heat of generation can enter recovery combustor 151, contacts with the bottom of Heat Room 140 due to reclaiming combustor 151, Reclaim combustor 151 and its internal partial heat can be passed to Heat Room 140 by way of heat transfer, thus right further Water in Heat Room 140 is heated, and more preferably, the utilization rate of fuel is higher for heats, reclaims more complete.Reclaim drawer 154 one end away from discharging opening 112 being located at conveyer belt 152, unburnt fuel, in the conveyer belt 152 upper afterburnt, enters back Receive drawer 154, be easy to subsequently be uniformly processed.

In the present embodiment, conveyer belt 152 is loop configuration, and the second air compartment 155 is arranged at the interior of the conveyer belt 152 of annular Side, that is to say, is disposed in proximity to the lower section of the conveyer belt 152 of main chamber 110, and this second air compartment 152 is with aerator 130 even Logical, in the second air compartment 152, the side of main chamber 110 is provided with multiple second tap holes 156, aerator 130 is to second It is passed through substantial amounts of wind, the wind in the second air compartment 152 is discharged from the second tap hole 156, and gas flows up, and makes biography in air compartment 152 Send and form fluid bed with the unburnt fuel on 152 in conveyer belt 152, so that unburnt fuel is on conveyer belt 152 Fully after-flame, the utilization rate of fuel is higher.

Tail gas processing mechanism 160 includes separator 161 and flue dust drawer 162.

Separator 161 is connected with the second exhaust opening 145 of Heat Room 140, separator 161 and the second exhaust opening 145 it Between be additionally provided with air exhauster, the flue gas in heat exchanger tube 143 is taken out by air exhauster towards the direction of separator 161, flue gas enter separate Device 161, the harmful components in flue gas can be adsorbed by separator 161, makes flue gas reach discharge standard.

Flue dust drawer 162 is arranged at the lower section of separator 161, and connects with separator 161, and flue gas is through separator 161 During absorption, understand deposition fraction flue dust, now flue dust is fallen in flue dust drawer 162, is easy to subsequently be uniformly processed.

The operation principle of biomass boiler 100 is：Feeding mechanism 120 feeds into main burning, and fuel is in main chamber 110 Interior burning, releases substantial amounts of heat, the setting of the first air compartment 114, makes fuel form fluid bed in main chamber 110, fuel Burning is more abundant.Additionally, by the preheating cylinder 116 being set in main chamber 110 outside, can achieve and water preheated, burning The flue gas producing enters Heat Room 140 by the first exhaust opening 115, and Heat Room 140 utilizes its heat exchanger tube 143 to many heat exchanger tubes Water in 143 gap is heated, in the present embodiment, clear by arranging the first deashing chamber 141 and second on heat exchanger tube 143 Grey room 142, for clearing up the flue dust that flue gas deposits in heat exchanger tube 143, it is to avoid flue dust blocks heat exchanger tube 143, leads to heat exchanger tube The ground that exhaust gas volumn minimizing in 143, the first deashing chamber 141 and the second deashing chamber 142 are turned during being respectively arranged at flow of flue gas Side, can collect flue dust effectively, thus ensure that the flue gas circulation in heat exchanger tube 143, improve the heat exchange effect of heat exchanger tube 143 Rate.After fuel combustion, can be discharged by discharging opening 112, the fuel uncombusted part of discharge can continue combustion on conveyer belt 152 Burn, conveyer belt 152 is located at and reclaims in combustor 151, and the heat that unburnt fuel combustion produces can be by reclaiming combustor 151 Pass to Heat Room 140, Heat Room 140 can heat the water in Heat Room 140 using this portion of energy, reclaims combustor 151 Setting, is conducive to realizing reclaiming completely by the heat of fuel, capacity usage ratio is higher, and heat transfer effect is more preferable.Meanwhile, the second air compartment 155 setting, makes fuel also form fluid bed on conveyer belt 152, unburnt fuel abundant after-flame on conveyer belt 152, It is effectively improved the utilization rate of fuel.

In sum, the biomass boiler 100 that the present embodiment provides, by arranging the first deashing chamber on heat exchanger tube 143 141 and second deashing chamber 142, many heat exchanger tubes 143 are connected with the second deashing chamber 142 by the first deashing chamber 141, flue gas exists In heat exchanger tube 143 during flowing, turn in the first deashing chamber 141 and the second deashing chamber 142, easily deposit dust, the first deashing Room 141 and the design of the second deashing chamber 142, are avoided that flue dust deposits in heat exchanger tube 143, and are mainly deposited on the first deashing chamber 141 and second in deashing chamber 142, and the cleaning to the first deashing chamber 141 and the second deashing chamber 142 is convenient, it is to avoid flue dust blocks up Plug heat exchanger tube 143, thus ensure that the circulation of flue gas in heat exchanger tube 143, being conducive to improving heat exchange efficiency, improving the profit of fuel With rate.

Second embodiment

Refer to Fig. 4 and Fig. 5, the present embodiment provides a kind of biomass boiler 100, its biomass pot with first embodiment Stove 100 is roughly the same, and the difference of the two is that the Heat Room 240 of the biomass boiler 100 of the present embodiment is different from the first enforcement Heat Room 140 in example；In the present embodiment, the first deashing chamber 241 of Heat Room 240 is an entirety, the second deashing chamber 242 For an entirety.

In the present embodiment, in the first deashing chamber 241, it is provided with multiple through holes 247 and multiple baffle plate 248, multiple baffle plates 248 Correspond with multiple through holes 247, the first deashing chamber 141 is separated the multiple first deashing unit 241a of formation by multiple baffle plates 248, Multiple first deashing unit 241a form an entirety, and are connected with each other.By the setting of baffle plate 248, effectively by first Deashing chamber 241 cut-off forms multiple first deashing unit 241a, connects and does not but connect, make between multiple first deashing unit 241a Flue gas can be flowed with the snakelike type of flow.

Baffle plate 248 includes hole baffle plate 248a and imperforate baffle 248b, have hole baffle plate 248a and imperforate baffle 248b all with First deashing chamber 241 is detachably connected, and achievable replacing has hole baffle plate 248a and imperforate baffle 248b, simultaneously can also be to there being hole The position of baffle plate 248a and imperforate baffle 248b is adjusted, to realize the synchronous heat exchange of different heat exchanger tubes 143.

The mode being detachably connected has multiple, for example, clamping, is slidably connected and threaded etc..

The part passing through in the present embodiment to be located at through hole 247 in the first deashing chamber 241 arranges chute (not shown), has hole to keep off Plate 248a and imperforate baffle 248b is all connected with slide, has hole baffle plate 248a and imperforate baffle 248b to slide and is embedded and through hole In 247, play the effect of cut-off the first deashing chamber 241, pass through to adjust the position having hole baffle plate 248a and imperforate baffle 248b simultaneously Put relation, be capable of the different connected relation of pipeline, make the flowing of flue gas more diversified.

The set-up mode of the set-up mode of the second deashing chamber 242 and the first deashing chamber 241 is identical, repeats no more here.

In the present embodiment, by the first deashing chamber 241 and the second deashing chamber 242 are passed through baffle plate 248 by the first deashing chamber 241 separate into multiple first deashing unit 241a, and the second deashing chamber 242 is separated into multiple second deashing lists by baffle plate 248 simultaneously First 242a, the multiple first deashing unit 241a in the present embodiment and multiple second deashing unit 242a remain as and are crisscross arranged, Make the serpentine-like flowing of flue gas, flow path is long, and flowing time is long, and heat transfer effect is more preferable.

The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this For the technical staff in field, this utility model can have various modifications and variations.All of the present utility model spirit and principle Within, any modification, equivalent substitution and improvement made etc., should be included within protection domain of the present utility model.

Claims (10)

1. it is characterised in that including main chamber and Heat Room, described main chamber is provided with charging to a kind of biomass boiler Mouthful, water inlet and the first exhaust opening, described Heat Room includes the first deashing chamber, the second deashing chamber and multigroup heat exchanger tube, described changes Hot cell is provided with the second exhaust opening, and described first deashing chamber is connected with described heat exchanger tube, described second deashing chamber and described heat exchange Pipe connection, multiple described heat exchanger tube interval settings and formation heat exchange gap, near described heat exchanger tube and the institute of described main chamber State the first exhaust opening connection, the described heat exchanger tube away from described main chamber is connected with described second exhaust opening, between described heat exchange Gap is connected with described water inlet.

2. biomass boiler according to claim 1 it is characterised in that described first deashing chamber include multiple separate The first deashing unit, described second deashing chamber includes multiple the second separate deashing units, described first deashing unit Be crisscross arranged with described second deashing unit, and connected by described heat exchanger tube, described first deashing unit, described heat exchanger tube and Described second deashing unit forms " U " type fume extraction unit, and multiple described " U " type fume extraction unit joins end to end, and forms snakelike smoke evacuation Passage.

3. biomass boiler according to claim 2 it is characterised in that near described main chamber described first deashing Unit is connected with described first exhaust opening, and described first deashing unit and described second exhaust opening away from described main chamber connect Logical.

4. biomass boiler according to claim 3 it is characterised in that multiple described first deashing unit spaced and For Split type structure, multiple described second deashing units are spaced and be Split type structure.

5. biomass boiler according to claim 3 it is characterised in that described first deashing chamber be provided with multiple through holes and Multiple baffle plates, multiple described baffle plates and multiple described through hole correspond, and multiple described first deashing units are connected with each other, and by Multiple described baffle plates are isolated described first deashing chamber and are formed, and described baffle plate includes hole baffle plate and imperforate baffle, and described have hole to keep off Plate and described imperforate baffle are all detachably connected with described first deashing chamber.

6. biomass boiler according to claim 5 is it is characterised in that described first deashing chamber is positioned at described through hole Part setting chute, described have hole baffle plate and described imperforate baffle to be all connected with described slide.

7. biomass boiler according to claim 1 is it is characterised in that heat exchanger tube described in any one group includes being managed by many The first row pipe fitting of part arrangement form and second row pipe fitting, described first row pipe fitting and described second row pipe fitting are crisscross arranged, institute The section stating pipe fitting is circular or hexagon.

8. biomass boiler according to claim 1 is it is characterised in that the outside of described main chamber is provided with preheating Cylinder, described preheating jacket casing is connected located at the outside of described main chamber and with the outer wall of described main chamber, and described water inlet sets It is placed on described preheating cylinder, between described preheating cylinder and the outer wall of described main chamber, there is gap, and form preheating water channel, institute State the connection of preheating water channel and described heat exchange gap.

9. biomass boiler according to claim 1 is it is characterised in that described biomass boiler also includes reclaiming burning Room, conveyer belt and the drive mechanism for driving described conveyer belt, described drive mechanism is connected with described conveyer belt, described The bottom of main chamber is provided with discharging opening, and described conveyer belt is located at described recovery burning interior, and one end of described conveyer belt is stretched Go out the described lower section reclaimed combustor and be located at described discharging opening, described recovery combustor is located at the bottom of described Heat Room, and Contact with described Heat Room.

10. biomass boiler according to claim 9 is it is characterised in that described biomass boiler also includes aerator, institute The bottom stating main chamber is additionally provided with the first air compartment, and the lower section of described conveyer belt is provided with the second air compartment, described first air compartment Connect with described aerator respectively with described second air compartment, described first air compartment is provided with first near the side of described combustor Tap hole, described second air compartment is provided with the second tap hole near the side of described main chamber.