CN105132031B - Lower suction positive-pressure type biomass gasifying furnace - Google Patents
Lower suction positive-pressure type biomass gasifying furnace Download PDFInfo
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- CN105132031B CN105132031B CN201510603553.0A CN201510603553A CN105132031B CN 105132031 B CN105132031 B CN 105132031B CN 201510603553 A CN201510603553 A CN 201510603553A CN 105132031 B CN105132031 B CN 105132031B
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- Prior art keywords
- pipe
- furnace tubes
- inner furnace
- heater
- tubes
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- 239000002028 Biomass Substances 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000007599 discharging Methods 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 abstract description 31
- 238000002309 gasification Methods 0.000 abstract description 9
- 239000002737 fuel gas Substances 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000002154 agricultural waste Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
- Solid-Fuel Combustion (AREA)
Abstract
The invention discloses lower suction positive-pressure type biomass gasifying furnace, including body of heater, Inner furnace tubes, ash-discharging device and blast pipe, body of heater is closely coated on the outside of Inner furnace tubes, feed pipe is provided with the top of Inner furnace tubes, the top of Inner furnace tubes is disposed with closed steam chamber and flammable air chamber along direction from top to bottom, water steam chamber is provided with water inlet pipe and vapor pipe, flammable air chamber is provided with combustible gas outlet and gas header processed, blast pipe is stretched into inside Inner furnace tubes, two opening positions that body of heater inner surface is located in the middle part of Inner furnace tubes and middle and lower part are respectively arranged with an annular groove formation annular sealed space, the steam vent of connection annular sealed space is provided with Inner furnace tube side walls, two annular sealed spaces connect combustible gas outlet.The beneficial effects of the invention are as follows：Vapor is prepared by gasification furnace self heat, without setting water vapor generation device in addition, simplifies gasification furnace structure；Combustible gas export passage is more, is advantageous to timely, quick, the complete export of fuel gas.
Description
Technical field
The present invention relates to solid fuel ignition equipment technical field, particularly a kind of lower suction positive-pressure type biomass gasifying furnace.
Background technology
Gasification of biomass is that biomass is burnt in the state of anoxic using gasification installation, makes most of combustible
Matter is converted into fuel gas, for generating or cooking after cooling and purifying.According to the difference of combustion system, gasification installation has a variety of
Form, most commonly seen is fixed bed down-draft type gasifying furnace in the prior art, and it has simple in construction, cheap, easy behaviour
The features such as making, it is well suited for China's national situation, is especially suitable for China rural area to handle agricultural waste material, such as stalk, rice husk, tree
Branch, weeds etc..For gasification furnace using air and steam as gasifying agent, existing gasification furnace is both needed to the steam generation dress of configuration provides steam
Put, add equipment cost and the complexity of device structure.
The content of the invention
The shortcomings that it is an object of the invention to overcome prior art, there is provided a kind of to be prepared in itself as gasifying agent by body of heater
The lower suction positive-pressure type biomass gasifying furnace of steam.
The purpose of the present invention is achieved through the following technical solutions：Lower suction positive-pressure type biomass gasifying furnace, including body of heater, set
Inner furnace tubes, ash-discharging device and the blast pipe for connecting Inner furnace tubes being placed in body of heater, the inside of Inner furnace tubes is along direction from top to bottom
Raw material area, combustion zone and grieshoch area are followed successively by, body of heater is closely coated on the outside of Inner furnace tubes, and the top and bottom of Inner furnace tubes are worn
Go out the upper surface and lower surface of body of heater, the feed pipe of connection Inner furnace tubes inner space is provided with the top of Inner furnace tubes, Inner furnace tubes
Top is disposed with closed steam chamber and flammable air chamber along direction from top to bottom, water steam chamber be provided with water inlet pipe and
The vapor pipe of at least one connection Inner furnace tubes inner space, the upper end of steam pipe exceeds the bottom surface of water steam chamber, flammable
Air chamber is provided with combustible gas outlet and at least one gas header processed for connecting Inner furnace tubes inner space, and steam pipe and gas processed converge
The lower end of pipe all extends to the middle and lower part of Inner furnace tubes, and feed pipe sequentially passes through water steam chamber and flammable air chamber, and blast pipe stretches into Inner
Inside furnace tube, one end that blast pipe stretches into Inner furnace tubes extends to the middle and lower parts of Inner furnace tubes, and body of heater inner surface is located in the middle part of Inner furnace tubes
An annular groove is respectively arranged with two opening positions of middle and lower part, two annular grooves and the outer wall of Inner furnace tubes are formed respectively
Two annular sealed spaces, the connection annular is provided with Inner furnace tube side walls at two annular sealed spaces
The steam vent of confined space, two annular sealed spaces connect exhaust column by pipeline, take out and are in charge of connection combustible gas outlet,
Air register is mounted on the pipeline of two annular sealed space connection exhaust columns；Ash-discharging device and the ash discharge of the bottom of Inner furnace tubes
Mouth connection.
Preferably, the part that blast pipe is stretched into inside Inner furnace tubes include the horizontal tube that is sequentially connected and from horizontal pipe end to
The vertical tube of lower extension, it is preferred that vertical tube is coaxially disposed with Inner furnace tubes, and the end of vertical tube has the gear of the closure mouth of pipe
Plate, exhaust outlet has circumferentially been evenly arranged in the side wall of vertical pipe end.So as to ensure that air intake circumferentially uniform can blow
To material.
Preferably, the quantity of steam pipe and gas header processed is two or more, steam pipe and gas header processed
It is uniformly distributed circumferentially.
Preferably, steam pipe is located at the inside of gas header processed.
Preferably, gas header processed, which is located in the side wall of the part in combustible gas room, is uniformly laid with multiple steam vents, gas processed
Header, which is located in the side wall of the part in Inner furnace tubes, is uniformly laid with multiple air admission holes.
Preferably, the top half of described Inner furnace tubes is along the cone barrel that orient diameter gradually increases from top to bottom, Inner
The latter half of furnace tube is along the cone barrel that orient diameter is gradually reduced from top to bottom.So as to road leads to that mid diameter is larger and both ends
Diameter is smaller.
Preferably, multiple legs for being used to support body of heater are provided with described body of heater.
The present invention has advantages below：
By importing water into water steam chamber, water form vapor under the heating of high-temperature gas in combustible gas room and from water
Steam pipe enters in body of heater, so as to prepare vapor by gasification furnace self heat, without setting water vapor generation device in addition,
Simplify gasification furnace structure.
By setting gas header processed and two annular bleed spaces so that combustible gas export passage is more, is advantageous to flammable
Timely, quick, the complete export of gas, organic efficiency are high.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention；
Fig. 2 is the main structure diagram of the present invention；
Fig. 3 is the right side structural representation of the present invention；
Fig. 4 is sectional views of the Fig. 3 along Section A-A.
In figure, 1- bodies of heater, 2- Inner furnace tubes, 3- ash-discharging devices, 4- blast pipes, 5- feed pipes, 6- steam chamber, 7- combustible gases
Room, 8- water inlet pipes, 9- vapor pipes, 10- combustible gas outlets, 11- gas headers, 12- exhaust columns, 13- air registers, 14- branch
Pin.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings：
As shown in Figure 1, Figure 2, Figure 3, Figure 4, lower suction positive-pressure type biomass gasifying furnace, including body of heater 1, be arranged in body of heater 1
Inner furnace tubes 2, ash-discharging device 3 and the blast pipe 4 for connecting Inner furnace tubes 2, the inside of Inner furnace tubes 2 is followed successively by along direction from top to bottom
Raw material area, combustion zone and grieshoch area, body of heater 1 are closely coated on the outside of Inner furnace tubes 2, and the top and bottom of Inner furnace tubes 2 pass
The upper surface and lower surface of body of heater 1, the top of Inner furnace tubes 2 are provided with the feed pipe 5 of the inner space of connection Inner furnace tubes 2, Inner furnace tubes 2
Top be disposed with closed steam chamber 6 and flammable air chamber 7 along direction from top to bottom, water steam chamber is provided with into water
Pipe 8 and at least one vapor pipe 9 for connecting the inner space of Inner furnace tubes 2, the upper end of steam pipe exceed the bottom of water steam chamber
Face, flammable air chamber 7 are provided with combustible gas outlet 10 and at least one gas header 11 processed for connecting the inner space of Inner furnace tubes 2, water
The lower end of steam pipe and gas header 11 processed all extends to the middle and lower part of Inner furnace tubes 2, and feed pipe 5 sequentially passes through water steam chamber and flammable
Air chamber 7, blast pipe 4 are stretched into inside Inner furnace tubes 2, and one end that blast pipe 4 stretches into Inner furnace tubes 2 extends to the middle and lower parts of Inner furnace tubes 2, stove
The inner surface of body 1 is located at the middle part of Inner furnace tubes 2 and two opening positions of middle and lower part are respectively arranged with an annular groove, and two annulars are recessed
Groove and the outer wall of Inner furnace tubes 2 form respectively two annular sealed spaces, the side of Inner furnace tubes 2 at two annular sealed spaces
The steam vent for connecting the annular sealed space is provided with wall, two annular sealed spaces connect exhausting by pipeline
Pipe 12, take out and be in charge of connection combustible gas outlet 10, be mounted on adjusting on the pipeline of two annular sealed space connection exhaust columns 12
Air door 13；Ash-discharging device 3 is connected with the ash discharging hole of the bottom of Inner furnace tubes 2.
Preferably, the part that blast pipe 4 is stretched into inside Inner furnace tubes 2 includes the horizontal tube that is sequentially connected and from horizontal pipe end
The vertical tube extended downwardly, it is preferred that vertical tube is coaxially disposed with Inner furnace tubes 2, and the end of vertical tube has the closure mouth of pipe
Baffle plate, be circumferentially evenly arranged exhaust outlet in the side wall of vertical pipe end.So as to ensure that air intake can be circumferentially uniform
Blow to material.
Preferably, the quantity of steam pipe and gas header 11 processed is two or more, and steam pipe and gas processed converge
Pipe 11 is uniformly distributed circumferentially.
Preferably, steam pipe is located at the inside of gas header 11 processed.
Gas header 11 processed, which is located in the side wall of the part in flammable air chamber 7, is uniformly laid with multiple steam vents, gas header processed
Multiple air admission holes are uniformly laid with the side wall of 11 part in Inner furnace tubes 2.
Preferably, the top half of described Inner furnace tubes 2 is along the cone barrel that orient diameter gradually increases from top to bottom, Inner
The latter half of furnace tube 2 is along the cone barrel that orient diameter is gradually reduced from top to bottom.So as to road lead to mid diameter it is larger and two
Hold diameter smaller.
Preferably, multiple legs 14 for being used to support body of heater 1 are provided with described body of heater 1.
Claims (6)
1. lower inhale positive-pressure type biomass gasifying furnace, it is characterised in that：Including body of heater (1), the Inner furnace tubes being arranged in body of heater (1)
(2), ash-discharging device (3) and the blast pipe (4) for connecting Inner furnace tubes (2), body of heater (1) are closely coated on the outside of Inner furnace tubes (2), Inner
The top and bottom of furnace tube (2) pass the upper surface and lower surface of body of heater (1), and connection Inner is provided with the top of Inner furnace tubes (2)
The feed pipe (5) of furnace tube (2) inner space, the top of Inner furnace tubes (2) are disposed with closed water along direction from top to bottom
Steam chamber (6) and flammable air chamber (7), water steam chamber are provided with water inlet pipe (8) and connect Inner furnace tubes (2) inner space with least one
Vapor pipe (9), the upper end of steam pipe exceeds the bottom surface of water steam chamber, and flammable air chamber (7) is provided with combustible gas outlet
Manage (10) and at least one gas header (11) processed for connecting Inner furnace tubes (2) inner space, steam pipe and gas header (11) processed
Lower end all extends to the middle and lower part of Inner furnace tubes (2), and feed pipe (5) sequentially passes through water steam chamber and flammable air chamber (7), blast pipe
(4) it is internal that Inner furnace tubes (2) are stretched into, one end that blast pipe (4) stretches into Inner furnace tubes (2) extends to the middle and lower parts of Inner furnace tubes (2), body of heater
(1) two opening positions that inner surface is located in the middle part of Inner furnace tubes (2) with middle and lower part are respectively arranged with an annular groove, two annulars
Groove and the outer wall of Inner furnace tubes (2) form respectively two annular sealed spaces, the Inner stoves at two annular sealed spaces
The steam vent for connecting the annular sealed space is provided with cylinder (2) side wall, two annular sealed spaces pass through pipeline
Exhaust column (12) is connected, takes out and is in charge of connection combustible gas outlet (10), the pipe of two annular sealed space connection exhaust columns (12)
Air register (13) is mounted on road；Ash-discharging device (3) is connected with the ash discharging hole of the bottom of Inner furnace tubes (2).
2. lower suction positive-pressure type biomass gasifying furnace according to claim 1, it is characterised in that：Blast pipe (4) stretches into Inner stoves
The internal part of cylinder (2) includes the horizontal tube being sequentially connected and the vertical tube extended downwardly from horizontal pipe end, vertical tube and Inner
Furnace tube (2) are coaxially disposed, and baffle plate of the end of vertical tube with the closure mouth of pipe, circumferentially equal in the side wall of vertical pipe end
It is even to be disposed with exhaust outlet.
3. lower suction positive-pressure type biomass gasifying furnace according to claim 1, it is characterised in that：Described steam pipe and system
The quantity of gas header (11) is two or more, and steam pipe and gas header (11) processed are uniformly distributed circumferentially.
4. the lower suction positive-pressure type biomass gasifying furnace according to claim 1 or 3, it is characterised in that：Described steam pipe
Positioned at the inside of gas header (11) processed.
5. lower suction positive-pressure type biomass gasifying furnace according to claim 1, it is characterised in that：Described gas header (11) processed
Multiple steam vents are uniformly laid with the side wall of part in flammable air chamber (7), gas header (11) processed is located at Inner furnace tubes (2)
Multiple air admission holes are uniformly laid with the side wall of interior part.
6. lower suction positive-pressure type biomass gasifying furnace according to claim 1, it is characterised in that：Set on described body of heater (1)
It is equipped with multiple legs (14) for being used to support body of heater (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510603553.0A CN105132031B (en) | 2015-09-21 | 2015-09-21 | Lower suction positive-pressure type biomass gasifying furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510603553.0A CN105132031B (en) | 2015-09-21 | 2015-09-21 | Lower suction positive-pressure type biomass gasifying furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105132031A CN105132031A (en) | 2015-12-09 |
| CN105132031B true CN105132031B (en) | 2018-03-06 |
Family
ID=54717612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510603553.0A Expired - Fee Related CN105132031B (en) | 2015-09-21 | 2015-09-21 | Lower suction positive-pressure type biomass gasifying furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105132031B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105713678A (en) * | 2016-03-11 | 2016-06-29 | 郭宾 | Multifunctional gasifier and combined cycle energy system |
| CN108614077B (en) * | 2018-04-28 | 2023-03-03 | 中国科学院过程工程研究所 | Miniature reactor and miniature gas-solid thermal reaction on-line analysis device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103555373A (en) * | 2013-07-31 | 2014-02-05 | 余式正 | Garbage dry distillation-gasification furnace with no dioxin and waste gas emission |
| CN205046066U (en) * | 2015-09-21 | 2016-02-24 | 山东惠农生物新能源股份有限公司 | Downdraught positive pressure biomass gasification stove |
-
2015
- 2015-09-21 CN CN201510603553.0A patent/CN105132031B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103555373A (en) * | 2013-07-31 | 2014-02-05 | 余式正 | Garbage dry distillation-gasification furnace with no dioxin and waste gas emission |
| CN205046066U (en) * | 2015-09-21 | 2016-02-24 | 山东惠农生物新能源股份有限公司 | Downdraught positive pressure biomass gasification stove |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105132031A (en) | 2015-12-09 |
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| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CI01 | Publication of corrected invention patent application |
Correction item: Applicant Correct: SHANDONG HUINONG BIOLOGICAL ENERGY CO., LTD. False: SHANDONG HUINONG BIOLOGICAL ENERGY CO., LTD. Number: 49 Volume: 31 |
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| CI02 | Correction of invention patent application |
Correction item: Applicant Correct: SHANDONG HUINONG BIOLOGICAL ENERGY CO., LTD. False: SHANDONG HUINONG BIOLOGICAL ENERGY CO., LTD. Number: 49 Page: The title page Volume: 31 |
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| ERR | Gazette correction | ||
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180306 Termination date: 20180921 |
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| CF01 | Termination of patent right due to non-payment of annual fee |