CN102676223A - Internal circulation type biomass grain pyrolysis apparatus - Google Patents
Internal circulation type biomass grain pyrolysis apparatus Download PDFInfo
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- CN102676223A CN102676223A CN2012101227526A CN201210122752A CN102676223A CN 102676223 A CN102676223 A CN 102676223A CN 2012101227526 A CN2012101227526 A CN 2012101227526A CN 201210122752 A CN201210122752 A CN 201210122752A CN 102676223 A CN102676223 A CN 102676223A
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Abstract
The invention discloses an internal circulation type biomass grain pyrolysis apparatus which comprises a spiral feeding device, a grate, a pyrolysis chamber and a de-dusting device, wherein one end of the pyrolysis chamber is communicated with the spiral feeding device while the other end is connected with the de-dusting device; the grate is arranged in the pyrolysis chamber and divides the pyrolysis chamber into a pyrolysis cavity and a de-dusting cavity; the pyrolysis apparatus further comprises a gasifying agent guiding device; the gasifying agent guiding device is arranged in the pyrolysis chamber; the upper end of the gasifying agent guiding device is funnel-shaped and a small hole is formed on a funnel-shaped surface; and the lower end of the gasifying agent guiding device is tube-shaped, passes through the grate and extends to the bottom end of the pyrolysis chamber. In such a mode, the internal circulation type biomass grain pyrolysis apparatus increases a contact area of a gasifying agent and a biomass grain fuel and has the advantages of high pyrolysis efficiency, relative thorough pyrolysis process, better de-dusting effect, and the like.
Description
Technical field
The present invention relates to biological particles cracker field, particularly relate to a kind of internal-circulation type biological particles cracker.
Background technology
Present most of biomass combustion machine utilization half integrated gasification combined combustion system; Employing Pintsch process technology; The generation inflammable gas carries out the secondary air distribution again and fully burns; Device mainly comprises: support, be arranged on half gasification cracking chamber of base inner, and be arranged on base outer and the feeding unit that is connected with this half gasification cracking chamber, be divided into the fire grate in cracking chamber and deashing chamber in the inside of half gasification combustion chamber; Have advantages such as use cost is low, reliable and stable, be widely used in the supporting and reducing energy consumption of other heating installations such as boiler, pressure die-casting machine, industrial furnace, drying plant, drying plant.
But react insufficient between the vaporized chemical of existence importing and the biomass granule fuel simultaneously, lysis efficiency is not high, the splitting gas decontamination effect improving is not good etc. yet.
Summary of the invention
The technical problem that the present invention mainly solves provides a kind of internal-circulation type biological particles cracker, shortcoming such as can solve that existing biological particles cracker lysis efficiency is not high, the splitting gas utilising efficiency is not high and the splitting gas decontamination effect improving is not good.
For solving the problems of the technologies described above; The technical scheme that the present invention adopts is: a kind of internal-circulation type biological particles cracker is provided, comprises: helixes feed equipment, fire grate, cracking room and fly-ash separator, and said cracking room one end is connected with said helixes feed equipment; The other end is connected with fly-ash separator; Said fire grate is arranged on cracking room inside and is divided into cracking chamber and deashing chamber two portions, and said cracker also comprises: lead the vaporized chemical device, the said vaporized chemical device of leading is arranged in the cracking room; Saidly lead that vaporized chemical device upper end is funnel-form and funnel surface is provided with aperture, the lower end in a tubular form and pass fire grate and stretch to the cracking room bottom.
In preferred embodiment of the present invention, the said above tube wall left and right sides of vaporized chemical device lower end fire grate of leading is respectively arranged with aperture.
In preferred embodiment of the present invention, said grate surface is a concave surface, is provided with ventilation hole above.
In preferred embodiment of the present invention, said cracking room upper end is provided with automatic safety device.
In preferred embodiment of the present invention, said fly-ash separator is funnel-form, and the lower end is connected with cracking chamber or deashing chamber through pipeline, and the tangential is sewed up between said pipeline upper end and the fly-ash separator, and the other end is the splitting gas output terminal after the dedusting.
In preferred embodiment of the present invention, be coated with one deck Irish touchstone enhancement type ceramic composite on the said cracking room inwall.
The invention has the beneficial effects as follows: internal-circulation type biological particles cracker of the present invention has following advantage:
(1) gas operated device upper end is funnel-form, has increased the contact area of vaporized chemical and biomass granule fuel, has advantages such as lysis efficiency height, cracking be more thorough.
(2) low-carbon environment-friendly reduces the discharging of flue dust, and sulphur is nitrogen discharged low, carbon dioxide zero discharge.
(3) simple to operate, be convenient to safeguard and control.
Description of drawings
Fig. 1 is the perspective view of internal-circulation type biological particles cracker of the present invention one preferred embodiment;
Fig. 2 is the two dimensional structure synoptic diagram of internal-circulation type biological particles cracker of the present invention one preferred embodiment;
The mark of each parts is following in the accompanying drawing: 1, helixes feed equipment, 2, cracking room, 21, the cracking chamber, 22, the deashing chamber, 3, fire grate, 4, lead the vaporized chemical device, 5, fly-ash separator, 6, automatic safety device.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is set forth in detail, thereby protection scope of the present invention is made more explicit defining so that advantage of the present invention and characteristic can be easier to it will be appreciated by those skilled in the art that.
See also Fig. 1 and Fig. 2; The embodiment of the invention comprises: helixes feed equipment 1, fire grate 3, cracking room 2, fly-ash separator 5 and lead vaporized chemical device 4; Cracking room 2 one ends are connected with helixes feed equipment 1, and the other end is connected with fly-ash separator 5, and fire grate 3 is arranged on cracking room 2 inside and is divided into cracking chamber 21 and deashing chamber 22 two portions; Leading vaporized chemical device 4 is arranged in the cracking room 2; Lead that vaporized chemical device 4 upper ends are funnel-form and funnel surface is provided with aperture, be used for the vaporized chemical that feeds from the bottom fully contacted with biological particles and react, the lower end in a tubular form and pass fire grate and stretch to cracking room 2 bottoms.
Further, lead the above tube wall left and right sides of vaporized chemical device 4 lower end fire grates and be respectively arranged with aperture, also be used for vaporized chemical imported to and carry out the Pintsch process reaction in the cracking room 2.
Further, 3 of fire grates are concave surface, are provided with ventilation hole above, and the sediment of being convenient to produce after the cracking is discharged to the deashing chamber through ventilation hole.
Further, cracking room 2 upper ends are provided with automatic safety device 6, and when cracking room 2 internal gas pressures were big, automatic safety device 6 was opened automatically, and the discharge section splitting gas reduces cracking room 2 internal gas pressures, has improved the safety index of whole device.
Further, fly-ash separator 5 is funnel-form, and the lower end is connected with cracking chamber 21 or deashing chamber 22 through pipeline, and the tangential is sewed up between pipeline upper end and the fly-ash separator 5, and the other end is the splitting gas output terminal after the dedusting, better dust removal effect.
Further, be coated with one deck Irish touchstone enhancement type ceramic composite on cracking room 2 inwalls, this material resistance to elevated temperatures is better, has prolonged the work-ing life of cracker.
Internal-circulation type biological particles cracker principle of work of the present invention: biomass granule fuel gets into Pintsch process chamber 2 through spiral autofeed device 1; Vaporized chemical infeeds from the bottom of leading vaporized chemical device 4; The Pintsch process reaction takes place rapidly in the Pintsch process chamber produce high-temperature fuel gas; The lime-ash that the reaction back produces gets into deashing chamber 22 through the aperture on the fire grate 3; High-temperature fuel gas gets into dust settling chamber 5 through gas jet to carry out entering into aerobic space or high temperature combustors perfect combustion after the dedusting of tangential, produces heat energy and is fully utilized, and sedimentary lime-ash gets in cracking chamber 21 or the deashing chamber 22 through ash guiding pipe in the dust settling chamber 5.
The above is merely embodiments of the invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes specification sheets of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (6)
1. internal-circulation type biological particles cracker; Comprise: helixes feed equipment, fire grate, cracking room and fly-ash separator, said cracking room one end is connected with said helixes feed equipment, and the other end is connected with fly-ash separator; Said fire grate is arranged on cracking room inside and is divided into cracking chamber and deashing chamber two portions; It is characterized in that said cracker also comprises: lead the vaporized chemical device, the said vaporized chemical device of leading is arranged in the cracking room; Saidly lead that vaporized chemical device upper end is funnel-form and funnel surface is provided with aperture, the lower end in a tubular form and pass fire grate and stretch to the cracking room bottom.
2. internal-circulation type biological particles cracker according to claim 1 is characterized in that, the said above tube wall left and right sides of vaporized chemical device lower end fire grate of leading is respectively arranged with aperture.
3. internal-circulation type biological particles cracker according to claim 1 is characterized in that said grate surface is a concave surface, is provided with ventilation hole above.
4. internal-circulation type biological particles cracker according to claim 1 is characterized in that, said cracking room upper end is provided with automatic safety device.
5. internal-circulation type biological particles cracker according to claim 1; It is characterized in that said fly-ash separator is funnel-form, the lower end is connected with cracking chamber or deashing chamber through pipeline; The tangential is sewed up between said pipeline upper end and the fly-ash separator, and the other end is the splitting gas output terminal after the dedusting.
6. internal-circulation type biological particles cracker according to claim 1 is characterized in that, is coated with one deck Irish touchstone enhancement type ceramic composite on the said cracking room inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101227526A CN102676223A (en) | 2012-04-25 | 2012-04-25 | Internal circulation type biomass grain pyrolysis apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101227526A CN102676223A (en) | 2012-04-25 | 2012-04-25 | Internal circulation type biomass grain pyrolysis apparatus |
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| Publication Number | Publication Date |
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| CN102676223A true CN102676223A (en) | 2012-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012101227526A Pending CN102676223A (en) | 2012-04-25 | 2012-04-25 | Internal circulation type biomass grain pyrolysis apparatus |
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| CN (1) | CN102676223A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106635177A (en) * | 2017-02-27 | 2017-05-10 | 周广砥 | High-efficiency low-consumption high-hydrogen coal gas generation system |
-
2012
- 2012-04-25 CN CN2012101227526A patent/CN102676223A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106635177A (en) * | 2017-02-27 | 2017-05-10 | 周广砥 | High-efficiency low-consumption high-hydrogen coal gas generation system |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120919 |