CN207422652U - A kind of biomass boiler of small-sized plate-type heat-exchange reverse combustion - Google Patents
A kind of biomass boiler of small-sized plate-type heat-exchange reverse combustion Download PDFInfo
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- CN207422652U CN207422652U CN201721387893.5U CN201721387893U CN207422652U CN 207422652 U CN207422652 U CN 207422652U CN 201721387893 U CN201721387893 U CN 201721387893U CN 207422652 U CN207422652 U CN 207422652U
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- Prior art keywords
- heat
- smoke chamber
- rectangle
- heat exchanger
- smoke
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 34
- 239000002028 Biomass Substances 0.000 title claims abstract description 21
- 239000000779 smoke Substances 0.000 claims abstract description 50
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000003546 flue gas Substances 0.000 claims abstract description 15
- 125000006850 spacer group Chemical group 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000005338 heat storage Methods 0.000 claims description 14
- 238000003860 storage Methods 0.000 claims description 12
- 238000009826 distribution Methods 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 7
- 239000011810 insulating material Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000011490 mineral wool Substances 0.000 claims description 2
- 239000000446 fuel Substances 0.000 abstract description 15
- 239000003344 environmental pollutant Substances 0.000 abstract description 5
- 231100000719 pollutant Toxicity 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003500 flue dust Substances 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 6
- 239000000428 dust Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010338 mechanical breakdown Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Solid-Fuel Combustion (AREA)
Abstract
A kind of biomass boiler of small-sized plate-type heat-exchange reverse combustion, it belongs to boiler heat supplying field.The problem of it solves existing biomass boiler unreasonable structure, incomplete combustion, and pollutant concentration severely exceeds, and heat exchange property is bad.The Heat Room of the utility model is made of rectangle flue gas passage, upper smoke chamber, lower smoke cavity, smoke chamber upper spacer, smoke chamber lower clapboard, rectangle heat exchanger, heat exchanger upper cover and induced fan interface, rectangle flue gas passage is alternatively arranged with rectangle heat exchanger, upper smoke chamber is located at the arranged on left and right sides of smoke chamber upper spacer, lower smoke cavity is located at the lower section of smoke chamber lower clapboard, smoke chamber upper spacer is located at the upper end of water jacket inner wall and right rectangular heat exchanger, and smoke chamber lower clapboard level is located at the lower section of high temperature resistant reflecting plate and left side rectangle heat exchanger.The advantages of the utility model：Burning is abundant, and flue dust good separating effect solves the problems, such as that pollutant is exceeded；Fuel is extensive, can use cheap low-density biomass fuel, safe, efficiently.
Description
Technical field
The utility model is related to boiler heat supplying fields, and in particular to a kind of biomass pot of small-sized plate-type heat-exchange reverse combustion
Stove.
Background technology
At present, in order to substitute the fossil energy of increasingly depleted and improve the serious present situation of atmosphere pollution, country advocates energetically
Using new energy, including fuel oil, combustion gas and biomass, wherein with biomass new energy economically feasible the most, at present conventional life
Substance boiler is in the prevalence of following point：First, fuel limits to：High-quality wooden particle can only be used, fuel is single, can not ensure steady
Fixed supply；2nd, structure, complex process, manufacture are of high cost；3rd, high failure rate：Standard biologic matter boiler feed, igniting are uneven,
Cigarette tempering is returned, mechanical breakdown is more, and heat-transfer surface bed clinkering, fire grate is yielding, and the easy crock of multitubular boiler blocks, and water-tube boiler holds
Easy fouling booster, it is inconvenient to safeguard；4th, operating cost is high：Standard biologic matter boiler thermal efficiency is low, and high energy consumption is used at the same time
High density granular fuel production is of high cost, causes biomass boiler operating cost high；5th, pollutant is exceeded：Standard biologic matter pot
The problem of pollutants such as flue dust, the nitrogen oxides of stove severely exceed.
Utility model content
The utility model causes incomplete combustion, the pollution of smoke evacuation to solve existing biomass boiler unreasonable structure
Object concentration severely exceeds, and heat exchange property is bad, and high fume temperature, the thermal efficiency is low, cumbersome, complicated various events easily occur
Barrier, can not continuous-stable use, fuel has the problems such as limitation, provides a kind of biomass boiler of plate-type heat-exchange reverse combustion,
Solve the problems, such as that this specific technical solution is as follows：
The biomass boiler of a kind of small-sized plate-type heat-exchange reverse combustion of the utility model, by furnace body, combustion chamber and heat exchange
Room forms,
The furnace body is made of peripheral board, atmospheric communicating pipe, blow-off connection and fire door, and atmospheric communicating pipe is located at furnace body
The upper left quarter of rear side, blow-off connection are located at the right lower quadrant on rear side of furnace body, and fire door is located at the front of furnace body；
The combustion chamber is by storage cavity, high temperature resistant heat storage fire grate, high temperature resistant reflecting plate, air distribution partition plate, secondary smoke exhaust pipe, stove
Door and feed bin upper cover composition, storage cavity are located above high temperature resistant heat storage fire grate, and high temperature resistant reflecting plate is located at high temperature resistant heat storage fire grate
Lower section, air distribution partition plate is located at the left side of storage cavity, and secondary smoke exhaust pipe is located at the top of storage cavity；
The Heat Room is changed by rectangle flue gas passage, upper smoke chamber, lower smoke cavity, smoke chamber upper spacer, smoke chamber lower clapboard, rectangle
Hot device, heat exchanger upper cover and induced fan interface composition, rectangle flue gas passage are alternatively arranged with rectangle heat exchanger, and upper smoke chamber is located at cigarette
The arranged on left and right sides of chamber upper spacer, lower smoke cavity are located at the lower section of smoke chamber lower clapboard, and smoke chamber upper spacer is located at water jacket inner wall and right side square
The upper end of needle recuperator, smoke chamber lower clapboard level are located at the lower section of high temperature resistant reflecting plate and left side rectangle heat exchanger.
A kind of the advantages of biomass boiler of plate-type heat-exchange reverse combustion of the utility model：First, it is environmentally friendly：Burning is abundant,
Flue dust good separating effect solves the problems, such as that pollutant is exceeded；2nd, it is economical：Cheap low-density biomass fuel can be used,
Operating cost can be less than fire coal, solve the problems, such as that biomass boiler operating cost is high；3rd, fuel is extensive：The fuel used is more
Memberization solves the problems, such as that fuel is secure an adequate supply；4th, safety：Super large feed bin can disposably fill fuel, long-time continuous stable
Burning, due to not having power feed device, there is no the mechanical breakdowns such as auger, motor；Because being reverse combustion mode, do not return
The security risks such as cigarette tempering；5th, efficiently：Heat exchange area is greatly added using plate heat exchanger structure, the thermal efficiency is significantly
It improves, while plate heat exchanger is made of multiple backhauls, flue gas is all separated very clean dust by repeatedly turning back.This reality
It is suitable for miniature boiler with new.
Description of the drawings
Fig. 1 is the front view of the utility model, and Fig. 2 is the rearview of Fig. 1, and Fig. 3 is the sectional view of A-A in Fig. 1, and Fig. 4 is
The sectional view of B-B in Fig. 2.23 be outlet pipe in figure, and 24 be return pipe, and 26 be water jacket samdwich,
Specific embodiment
Specific embodiment one：Present embodiment is described with reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4.Present embodiment by furnace body 1,
Combustion chamber 2 and Heat Room 3 form,
The furnace body 1 is made of peripheral board 7, atmospheric communicating pipe 22, blow-off connection 25 and fire door 12, atmospheric communicating pipe
22 are located at the upper left quarter of 1 rear side of furnace body, and blow-off connection 25 is located at the right lower quadrant of 1 rear side of furnace body, and multiple fire doors 12 are located at furnace body
1 front；
The combustion chamber 2 is by storage cavity 8, high temperature resistant heat storage fire grate 9, high temperature resistant reflecting plate 10, air distribution partition plate 11, secondary row
Smoke pipe 5, multiple fire doors 12 and feed bin upper cover 13 form, and storage cavity 8 is located at the top of high temperature resistant heat storage fire grate 9, high temperature resistant reflection
Plate 10 is located at the lower section of high temperature resistant heat storage fire grate 9, and air distribution partition plate 11 is located at the right side of storage cavity 8, and secondary smoke exhaust pipe 5 is located at storage cavity
8 top；
The Heat Room 3 by under rectangle flue gas passage 6, upper smoke chamber 14, lower smoke cavity 15, smoke chamber upper spacer 16, smoke chamber every
Plate 17, rectangle heat exchanger 18, heat exchanger upper cover 20 and induced fan interface 4 form, and rectangle flue gas passage 6 is vertical with rectangle heat exchanger 18
To being alternatively arranged, upper smoke chamber 14 is located at the arranged on left and right sides of smoke chamber upper spacer 16, and lower smoke cavity 15 is located under smoke chamber lower clapboard 17
Side, smoke chamber upper spacer 16 are located at the upper end of water jacket inner wall and right rectangular heat exchanger 18, and 17 level of smoke chamber lower clapboard is located at resistance to height
The lower section of warm reflecting plate 10 and left side rectangle heat exchanger 18.
Combustion chamber is divided into two combustion chambers, solid combustion room and gas combustion chamber by fire grate 9.Make gas solid separation, air distribution is more
Rationally, burn more abundant.
High temperature reflecting plate 10 is located at the lower section of fire grate, and 2 lower part of combustion chamber is divided into gas combustion chamber and dust separation room.Change
Become flow of flue gas direction, flue dust separation, while make gas combustion chamber temperature higher, combustion efficiency is more preferable.
One or more smoke chamber partition plates 16 are equipped in upper smoke chamber 14, heat exchanger is divided into multiple flue gas backhauls.Extend flue gas
Stroke, heat transfer effect is more preferable, and ash separation is more thorough.
Specific embodiment two：Present embodiment is described with reference to Fig. 1 and Fig. 4.Rectangle heat exchanger described in present embodiment
18 be multiple.Make heat exchange area bigger.
Specific embodiment three：Present embodiment is described with reference to Fig. 1 and Fig. 4.Rectangle heat exchanger described in present embodiment
18 height-to-breadth ratios are 2~20:1.
Specific embodiment four：Present embodiment is described with reference to Fig. 1 and Fig. 4.High temperature resistant heat storage described in present embodiment
Fire grate 9 uses one or more layers structure.
Specific embodiment five：Present embodiment is described with reference to Fig. 1 and Fig. 4.Feed bin upper cover 13 described in present embodiment,
Heat preserving and insulating material 21 is equipped in heat exchanger upper cover 20, heat preserving and insulating material 21 is using rock wool, alumina silicate or ceramic beaverboard.
Operation principle：
Biomass fuel is transported to from charge door on high temperature resistant heat storage fire grate 9, is lighted fuel and is opened air-introduced machine 4, fuel
Primary combustion is carried out on high temperature resistant heat storage fire grate 9, quickly forms high-temperature region, condition is created for continuous-stable burning, is drawing
Under 4 suction function of wind turbine, the fugitive constituent that fuel is precipitated by high temperature resistant heat storage fire grate 9, flame downwardly into gas combustion chamber,
It mixes with Secondary Air, fully burns under 10 barrier effect of high temperature resistant reflecting plate, the flue gas after completely burned sequentially enters ash
Storehouse, rectangle flue gas passage 6, upper smoke chamber 14, rectangle flue gas passage 6, lower smoke cavity 15 pass through air-introduced machine after multiple-pass is repeatedly turned back
Interface 4 discharges outdoor.It is less than the uncombusted particle in upper fire-grating gap in combustion process, under the action of air-introduced machine and gravity,
It burns while drop downwards, falls and burn away on the very high lower floor's fire grate of temperature or high temperature resistant reflecting plate 10, make gas
The environment temperature higher of combustion chamber, combustion efficiency are more preferable.Change the direction of air-flow simultaneously, the particle dust in afterburnt passes through resistance to
Ash cellar is fallen under the action of gravity and air-introduced machine during high temperature reflecting plate 10, reduces the dust stratification of convection heating surface, improves biography
The thermal efficiency.
Claims (5)
1. a kind of biomass boiler of small-sized plate-type heat-exchange reverse combustion, it is made of furnace body, combustion chamber and Heat Room, feature
It is：
The furnace body is made of peripheral board, atmospheric communicating pipe, blow-off connection and fire door, and atmospheric communicating pipe is located on rear side of furnace body
Upper left quarter, blow-off connection is located at the right lower quadrant on rear side of furnace body, and fire door is located at the front of furnace body；
The combustion chamber by storage cavity, high temperature resistant heat storage fire grate, high temperature resistant reflecting plate, air distribution partition plate, secondary smoke exhaust pipe, fire door and
Feed bin upper cover forms, and storage cavity is located above high temperature resistant heat storage fire grate, and high temperature resistant reflecting plate is located under high temperature resistant heat storage fire grate
Side, air distribution partition plate are located at the left side of storage cavity, and secondary smoke exhaust pipe is located at the top of storage cavity；
The Heat Room is exchanged heat by rectangle flue gas passage, upper smoke chamber, lower smoke cavity, smoke chamber upper spacer, smoke chamber lower clapboard, rectangle
Device, heat exchanger upper cover and induced fan interface composition, rectangle flue gas passage and the longitudinally spaced arrangement of rectangle heat exchanger, upper smoke chamber are located at
The arranged on left and right sides of smoke chamber upper spacer, lower smoke cavity are located at the lower section of smoke chamber lower clapboard, smoke chamber upper spacer be located at water jacket inner wall with from left to right
The upper end of second rectangle heat exchanger, smoke chamber lower clapboard level are located at high temperature resistant reflecting plate and second rectangle heat exchanger from right to left
Lower end.
2. a kind of biomass boiler of small-sized plate-type heat-exchange reverse combustion according to claim 1, it is characterised in that：It is described
Rectangle heat exchanger to be multiple.
3. a kind of biomass boiler of small-sized plate-type heat-exchange reverse combustion according to claim 1, it is characterised in that：It is described
Rectangle heat exchanger height-to-breadth ratio be 2~20:1.
4. a kind of biomass boiler of small-sized plate-type heat-exchange reverse combustion according to claim 1, it is characterised in that：It is described
High temperature resistant heat storage fire grate use one or more layers structure.
5. a kind of biomass boiler of small-sized plate-type heat-exchange reverse combustion according to claim 1, it is characterised in that：It is described
Feed bin upper cover and heat exchanger upper cover in be equipped with heat preserving and insulating material, heat preserving and insulating material is fine using rock wool, alumina silicate or ceramics
Tie up plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721387893.5U CN207422652U (en) | 2017-10-26 | 2017-10-26 | A kind of biomass boiler of small-sized plate-type heat-exchange reverse combustion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721387893.5U CN207422652U (en) | 2017-10-26 | 2017-10-26 | A kind of biomass boiler of small-sized plate-type heat-exchange reverse combustion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207422652U true CN207422652U (en) | 2018-05-29 |
Family
ID=62308839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721387893.5U Expired - Fee Related CN207422652U (en) | 2017-10-26 | 2017-10-26 | A kind of biomass boiler of small-sized plate-type heat-exchange reverse combustion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207422652U (en) |
-
2017
- 2017-10-26 CN CN201721387893.5U patent/CN207422652U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180529 |