CN105132031A - Positive-pressure type downdraft biomass gasifier - Google Patents
Positive-pressure type downdraft biomass gasifier Download PDFInfo
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- CN105132031A CN105132031A CN201510603553.0A CN201510603553A CN105132031A CN 105132031 A CN105132031 A CN 105132031A CN 201510603553 A CN201510603553 A CN 201510603553A CN 105132031 A CN105132031 A CN 105132031A
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- stove cylinder
- inner stove
- pipe
- pressure type
- heater
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Abstract
The invention discloses a positive-pressure type downdraft biomass gasifier. The positive-pressure type downdraft biomass gasifier comprises a furnace body, an inner furnace barrel, an ash discharge device and an air inlet tube, wherein the furnace body tightly covers the outer side of the inner furnace barrel, a feeding tube is arranged at the top of the inner furnace barrel, an airtight water steam chamber and a combustible gas chamber are formed in the upper part of the inner furnace barrel from top to bottom sequentially, a water inlet pipe and water steam pipes are arranged in the water steam chamber, a combustible gas outlet tube and gas making manifolds are arranged at the combustible gas chamber, the air inlet tube extends into the inner furnace barrel, an annular confined space formed by an annular groove is formed in each of two positions, located at the middle part and the middle-lower part of the inner furnace barrel, of the inner surface of the furnace body, exhaust holes communicated with the annular confined spaces are formed in the side wall of the inner furnace barrel, and the two annular confined spaces are communicated with the combustible gas outlet tube. The positive-pressure type downdraft biomass gasifier has the benefits as follows: water vapor is prepared from heat of the gasifier without an additional water vapor generation device, and the structure of the gasifier is simplified; multiple combustible gas output channels are arranged, so that combustible gas is timely, rapidly and completely output.
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
Gasifying biomass utilizes gasification installation biomass to be burnt under the state of anoxic, makes most of combustiblesubstance be converted into inflammable gas, for generating or cooking after cooling and purifying.According to the difference of combustion system, gasification installation has various ways, the most commonly fixed bed down-draft type gasifying furnace in prior art, it has the features such as structure is simple, cheap, easy operation, be well suited for China's national situation, especially China rural area is applicable in order to process agricultural waste material, such as stalk, rice husk, branch, weeds etc.Vapourizing furnace is with air and steam for vaporized chemical, and existing vapourizing furnace all needs to configure the steam-generating installation providing steam, adds the complexity of equipment cost and device structure.
Summary of the invention
The object of the invention is to the shortcoming overcoming prior art, a kind of lower suction positive-pressure type biomass gasifying furnace being prepared the steam being used as vaporized chemical by body of heater itself is provided.
Object of the present invention is achieved through the following technical solutions: lower suction positive-pressure type biomass gasifying furnace, comprise body of heater, be arranged at the Inner stove cylinder in body of heater, ash-discharging device and the blast pipe being communicated with Inner stove cylinder, the inside of Inner stove cylinder is followed successively by raw material district along direction from top to bottom, combustion zone and grieshoch district, body of heater is closely coated on the outside of Inner stove cylinder, the top of Inner stove cylinder and bottom all pass upper surface and the lower surface of body of heater, the top of Inner stove cylinder is provided with the feed-pipe being communicated with Inner stove cylinder internal space, the top of Inner stove cylinder is disposed with airtight steam chamber and flammable air chamber along direction from top to bottom, water steam chamber is provided with water inlet pipe is communicated with Inner stove cylinder internal space water vapour pipe with at least one, the upper end of steam pipe exceeds the bottom surface of water steam chamber, flammable air chamber is provided with combustible gas outlet pipe is communicated with Inner stove cylinder internal space gas header processed with at least one, the lower end of steam pipe and gas header processed all extends to the middle and lower part of Inner stove cylinder, feed-pipe runs through water steam chamber and flammable air chamber successively, it is inner that blast pipe stretches into Inner stove cylinder, one end that blast pipe stretches into Inner stove cylinder extends to the middle and lower part of Inner stove cylinder, body of heater internal surface is positioned in the middle part of Inner stove cylinder and two positions of middle and lower part are respectively arranged with an annular recesses, the outer wall of two annular recessess and Inner stove cylinder form respectively two annular sealed spaces, be positioned at the Inner stove cylinder sidewall at two annular sealed space places on be provided with the venting hole being communicated with described annular sealed space, two annular sealed spaces all connect induced exhaust by pipeline, take out to be in charge of and be communicated with combustible gas outlet pipe, the pipeline of two annular sealed space connection induced exhausts is all provided with air register, ash-discharging device is connected with the ash discharging hole of the bottom of Inner stove cylinder.
Preferably, the part that blast pipe stretches into Inner stove cylinder inside comprise the level pipe that connects successively and from level pipe end to the vertical tube of downward-extension, preferably, the coaxial setting of vertical tube and Inner stove cylinder, and the end of vertical tube has the baffle plate of the shutoff mouth of pipe, the sidewall of vertical tube end is circumferentially evenly arranged exhaust outlet.Thus can ensure that air intake circumference can blow to material uniformly.
Preferably, the quantity of steam pipe and gas header processed is two or more, and steam pipe and gas header processed are uniformly distributed circumferentially.
Preferably, steam pipe is positioned at the inside of gas header processed.
Preferably, the sidewall that gas header processed is positioned at the part of combustible gas indoor is evenly laid with multiple venting hole, the sidewall that gas header processed is positioned at the part of Inner stove cylinder is evenly laid with multiple air inlet port.
Preferably, upper part of described Inner stove cylinder is the cone barrel increased gradually along orient diameter from top to bottom, and lower part of Inner stove cylinder is the cone barrel reduced gradually along orient diameter from top to bottom.Thus road leads to that mid diameter is comparatively large and two ends diameter is less.
Preferably, described body of heater is provided with multiple leg for supporting body of heater.
The present invention has the following advantages:
By importing water in water steam chamber, water forms water vapour and enters in body of heater from steam pipe under the heating of the indoor high-temperature gas of combustible gas, thus prepare water vapour by vapourizing furnace self heat, and without the need to arranging water vapor generation device in addition, simplify gasification furnace structure.
By arranging gas header processed and two annular bleed spaces, make combustible gas derive passage many, be conducive to inflammable gas timely, derive fast, completely, organic efficiency is high.
Accompanying drawing explanation
Fig. 1 is perspective view of the present invention;
Fig. 2 is main TV structure schematic diagram of the present invention;
Fig. 3 is right TV structure schematic diagram of the present invention;
Fig. 4 is the sectional view of Fig. 3 along A-A cross section.
In figure, 1-body of heater, 2-Inner stove cylinder, 3-ash-discharging device, 4-blast pipe, 5-feed-pipe, 6-steam chamber, 7-is flammable air chamber, 8-water inlet pipe, 9-water vapour pipe, 10-combustible gas outlet pipe, 11-gas header, 12-induced exhaust, 13-air register, 14-leg.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described:
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, lower suction positive-pressure type biomass gasifying furnace, comprise body of heater 1, be arranged at the Inner stove cylinder 2 in body of heater 1, ash-discharging device 3 and the blast pipe 4 being communicated with Inner stove cylinder 2, the inside of Inner stove cylinder 2 is followed successively by raw material district along direction from top to bottom, combustion zone and grieshoch district, body of heater 1 is closely coated on the outside of Inner stove cylinder 2, the top of Inner stove cylinder 2 and bottom all pass upper surface and the lower surface of body of heater 1, the top of Inner stove cylinder 2 is provided with the feed-pipe 5 being communicated with Inner stove cylinder 2 internal space, the top of Inner stove cylinder 2 is disposed with airtight steam chamber 6 and flammable air chamber 7 along direction from top to bottom, water steam chamber is provided with water inlet pipe 8 is communicated with Inner stove cylinder 2 internal space water vapour pipe 9 with at least one, the upper end of steam pipe exceeds the bottom surface of water steam chamber, flammable air chamber 7 is provided with combustible gas outlet pipe 10 is communicated with Inner stove cylinder 2 internal space gas header 11 processed with at least one, the lower end of steam pipe and gas header 11 processed all extends to the middle and lower part of Inner stove cylinder 2, feed-pipe 5 runs through water steam chamber and flammable air chamber 7 successively, it is inner that blast pipe 4 stretches into Inner stove cylinder 2, one end that blast pipe 4 stretches into Inner stove cylinder 2 extends to the middle and lower part of Inner stove cylinder 2, body of heater 1 internal surface is positioned in the middle part of Inner stove cylinder 2 and two positions of middle and lower part are respectively arranged with an annular recesses, the outer wall of two annular recessess and Inner stove cylinder 2 form respectively two annular sealed spaces, be positioned at Inner stove cylinder 2 sidewall at two annular sealed space places on be provided with the venting hole being communicated with described annular sealed space, two annular sealed spaces all connect induced exhaust 12 by pipeline, take out to be in charge of and be communicated with combustible gas outlet pipe 10, the pipeline of two annular sealed space connection induced exhausts 12 is all provided with air register 13, ash-discharging device 3 is connected with the ash discharging hole of the bottom of Inner stove cylinder 2.
Preferably, the part that blast pipe 4 stretches into Inner stove cylinder 2 inside comprise the level pipe that connects successively and from level pipe end to the vertical tube of downward-extension, preferably, the coaxial setting of vertical tube and Inner stove cylinder 2, and the end of vertical tube has the baffle plate of the shutoff mouth of pipe, the sidewall of vertical tube end is circumferentially evenly arranged exhaust outlet.Thus can ensure that air intake circumference can blow to material uniformly.
Preferably, the quantity of steam pipe and gas header 11 processed is two or more, and steam pipe and gas header 11 processed are uniformly distributed circumferentially.
Preferably, steam pipe is positioned at the inside of gas header 11 processed.
The sidewall that gas header 11 processed is positioned at the part of flammable air chamber 7 is evenly laid with multiple venting hole, the sidewall that gas header 11 processed is positioned at the part of Inner stove cylinder 2 is evenly laid with multiple air inlet port.
Preferably, upper part of described Inner stove cylinder 2 is the cone barrel increased gradually along orient diameter from top to bottom, and lower part of Inner stove cylinder 2 is the cone barrel reduced gradually along orient diameter from top to bottom.Thus road leads to that mid diameter is comparatively large and two ends diameter is less.
Preferably, described body of heater 1 is provided with multiple leg 14 for supporting body of heater 1.
Claims (6)
1. time suction positive-pressure type biomass gasifying furnace, it is characterized in that: comprise body of heater (1), be arranged at the Inner stove cylinder (2) in body of heater (1), ash-discharging device (3) and the blast pipe (4) being communicated with Inner stove cylinder (2), body of heater (1) is closely coated on the outside of Inner stove cylinder (2), the top of Inner stove cylinder (2) and bottom all pass upper surface and the lower surface of body of heater (1), the top of Inner stove cylinder (2) is provided with the feed-pipe (5) being communicated with Inner stove cylinder (2) internal space, the top of Inner stove cylinder (2) is disposed with airtight steam chamber (6) and flammable air chamber (7) along direction from top to bottom, water steam chamber is provided with water inlet pipe (8) is communicated with Inner stove cylinder (2) internal space water vapour pipe (9) with at least one, the upper end of steam pipe exceeds the bottom surface of water steam chamber, flammable air chamber (7) is provided with combustible gas outlet pipe (10) is communicated with Inner stove cylinder (2) internal space gas header (11) processed with at least one, the lower end of steam pipe and gas header (11) processed all extends to the middle and lower part of Inner stove cylinder (2), feed-pipe (5) runs through water steam chamber and flammable air chamber (7) successively, it is inner that blast pipe (4) stretches into Inner stove cylinder (2), one end that blast pipe (4) stretches into Inner stove cylinder (2) extends to the middle and lower part of Inner stove cylinder (2), two positions that body of heater (1) internal surface is positioned at Inner stove cylinder (2) middle part and middle and lower part are respectively arranged with an annular recesses, the outer wall of two annular recessess and Inner stove cylinder (2) form respectively two annular sealed spaces, be positioned at Inner stove cylinder (2) sidewall at two annular sealed space places on be provided with the venting hole being communicated with described annular sealed space, two annular sealed spaces all connect induced exhaust (12) by pipeline, take out to be in charge of and be communicated with combustible gas outlet pipe (10), the pipeline of two annular sealed spaces connection induced exhaust (12) is all provided with air register (13), ash-discharging device (3) is connected with the ash discharging hole of the bottom of Inner stove cylinder (2).
2. lower suction positive-pressure type biomass gasifying furnace according to claim 1, it is characterized in that: blast pipe (4) stretch into the inner part of Inner stove cylinder (2) comprise the level pipe that connects successively and from level pipe end to the vertical tube of downward-extension, preferably, the coaxial setting of vertical tube and Inner stove cylinder (2), and the end of vertical tube has the baffle plate of the shutoff mouth of pipe, the sidewall of vertical tube end is circumferentially evenly arranged exhaust outlet.
3. lower suction positive-pressure type biomass gasifying furnace according to claim 1, it is characterized in that: the quantity of described steam pipe and gas header (11) processed is two or more, 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, is characterized in that: described steam pipe is positioned at the inside of gas header (11) processed.
5. lower suction positive-pressure type biomass gasifying furnace according to claim 1, it is characterized in that: the sidewall that described gas header (11) processed is positioned at the part of flammable air chamber (7) is evenly laid with multiple venting hole, the sidewall that gas header (11) processed is positioned at the part of Inner stove cylinder (2) is evenly laid with multiple air inlet port.
6. lower suction positive-pressure type biomass gasifying furnace according to claim 1, is characterized in that: described body of heater (1) is provided with multiple leg (14) for supporting 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 true CN105132031A (en) | 2015-12-09 |
| CN105132031B CN105132031B (en) | 2018-03-06 |
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| 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 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106047416A (en) * | 2016-03-11 | 2016-10-26 | 郭宾 | Multifunctional gasifier and combined-cycle energy system |
| CN108614077A (en) * | 2018-04-28 | 2018-10-02 | 中国科学院过程工程研究所 | Microreactor and miniature gas-solid thermal response 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106047416A (en) * | 2016-03-11 | 2016-10-26 | 郭宾 | Multifunctional gasifier and combined-cycle energy system |
| CN108614077A (en) * | 2018-04-28 | 2018-10-02 | 中国科学院过程工程研究所 | Microreactor and miniature gas-solid thermal response on-line analysis device |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN105132031B (en) | 2018-03-06 |
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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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Granted publication date: 20180306 Termination date: 20180921 |
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| CF01 | Termination of patent right due to non-payment of annual fee |