CN101701161B - Device and method for producing combustible gas by adopting waste residue of yam or traditional Chinese medicinal material - Google Patents
Device and method for producing combustible gas by adopting waste residue of yam or traditional Chinese medicinal material Download PDFInfo
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- CN101701161B CN101701161B CN 200910272464 CN200910272464A CN101701161B CN 101701161 B CN101701161 B CN 101701161B CN 200910272464 CN200910272464 CN 200910272464 CN 200910272464 A CN200910272464 A CN 200910272464A CN 101701161 B CN101701161 B CN 101701161B
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Abstract
The invention discloses a device and a method for producing combustible gas by adopting waste residues of yellow gingers or traditional Chinese medicinal materials. The device comprises a gasification furnace consisting of a bed material bin, a boiling segment and a suspension segment, wherein the boiling segment is connected with a feeding device, and the device is characterized in that a pipeline air inlet device is arranged at the lower end of the boiling segment of the gasification furnace, a secondary rotary air pipe is arranged on the suspension segment of the gasification furnace, the feeding device is provided with a vibration device, the pipeline air inlet device comprises an air inlet pipe, the air inlet pipe is connected with an annular air chamber arranged at the lower end of the boiling segment of the gasification furnace, horizontal air pipes are arranged in parallel at the top of the annular air chamber, and air inlet pipes of the boiling segment of the gasification furnace are arranged at intervals on the horizontal air pipes. The device can crack tar as much as possible, increase the sectional area of the suspension segment so as to decrease the airflow speed and reduce the takeout amount of flying ashes, can conveniently clean impurities and residue blocks in fuel away, and can ensure the long-term safe operation of the gasification furnace.
Description
Technical field
The invention belongs to biomass waste gasification process technology, be specifically related to the apparatus and method that a kind of yellow ginger waste residue or Chinese medicinal materials waste residue are produced combustible gas.
Background technology
Saponin industry is a novel industry that grows up on the basis that the yellow ginger artificial growth is succeeded in developing in recent years, mainly extracts from Dioscoreaceae plant foundation such as yellow ginger.The yellow ginger waste residue is the waste residue that produces in the saponin leaching process.As the waste of saponin enterprise, the yellow ginger waste residue has that quality is light, volume greatly, easily fly upward, the difficult characteristic of rotting, easily catch fire, have pollution, do not add and handle arbitrarily pollution from dumping environment of ground, processing yellow ginger waste residue is the problem of saponin enterprise headache always.The yellow ginger waste residue that produces in the saponin leaching process all discharges arbitrarily as solid waste at present, not only causes energy dissipation, but also produces environmental pollution.If it can be gasified heat supply, can turn waste into wealth, both saved the energy, reduced the pollution to environment again.
For this reason, Chinese invention patent 200410061463.5 provides a kind of method of utilizing the yellow ginger waste residue to prepare combustible gas, this method is by screw feeder the yellow ginger waste residue to be joined in a kind of gasification installation, by additional proportion and the residence time of yellow ginger waste residue in gasification installation of control air and yellow ginger waste residue, make the pyrolysis at high temperature of yellow ginger waste residue produce combustible gas, combustible gas enters directly burning in the industrial furnace after by ash handling equipment.
This method is extracted waste residue behind the saponin with yellow ginger and is made inflammable gas and be used, and has both reduced energy dissipation, has solved again because of the yellow ginger waste residue and has abandoned the problem of environmental pollution that produces.But in actual application, exist gasification efficiency not high, shortcomings such as carbon content of fly ash height.
Summary of the invention
The object of the present invention is to provide a kind of device that adopts yellow ginger waste residue or Chinese medicinal materials waste residue to produce combustible gas, and the method for producing combustible gas based on yellow ginger waste residue or the Chinese medicinal materials waste residue of this device, to address the above problem.
The technical scheme that realizes one of the object of the invention is: adopt yellow ginger waste residue or Chinese medicinal materials waste residue to produce the device of combustible gas, it comprises by the bed feed bin, the vapourizing furnace that boiling section and suspension section constitute, connect feeding unit on the boiling section, be provided with the pipeline air inlet device in vapourizing furnace boiling section lower end, be provided with the secondary rotating air-duct at the suspension section of vapourizing furnace, described feeding unit is provided with vibrating device, described pipeline air inlet device comprises blast pipe, blast pipe connects the annular air compartment that establish vapourizing furnace boiling section lower end, the annular air compartment top horizontal airduct that be arranged in parallel is arranged at intervals with vapourizing furnace boiling section air intake airduct on the horizontal airduct.
Described vibrating device comprises the horizontal rail that feeding unit is divided into, the slider-crank mechanism that feeding unit connects.
The aspect ratio of described boiling section and suspension section is 1: 2.5～1: 3.5; Boiling section is 1: 1.5～1: 2.5 with the ratio of the diameter of section of suspension section.
The aspect ratio of boiling section and suspension section is preferably 1: 3; Boiling section is preferably 1: 2 with the ratio of the diameter of section of suspension section.
Two the technical scheme that realizes the object of the invention is: adopt yellow ginger waste residue or Chinese medicinal materials waste residue to produce the method for combustible gas, air passes through annular air compartment, being arranged at intervals with vapourizing furnace boiling section air intake airduct on horizontal airduct and the horizontal airduct enters in the fluidized-bed gasification furnace, air void tower cross section speed of boiling section in vapourizing furnace is 0.22-0.8m/s, yellow ginger waste residue or Chinese medicinal materials waste residue enter vapourizing furnace by feeding unit, the gas-solid high temperature fluid that is acutely mixed in vapourizing furnace heats rapidly, combustible gas gas is produced in the fugitive constituent generation pyrolysis of yellow ginger waste residue and Chinese medicinal materials waste residue and the reaction of the incomplete combustion of fixed carbon; Temperature is between 700-800 ℃ in the vapourizing furnace.Operation gasification equivalence ratio is between 0.25-0.45, suspension section feeds the air of total blast volume 8%-15% as secondary air, its airflow pattern is swirling eddy, described vapourizing furnace comprises a feed bin, boiling section and suspension section, suspension section be provided with the secondary rotating air-duct, the pipeline air inlet device of boiling section lower end comprises blast pipe, blast pipe connects the annular air compartment that establish vapourizing furnace boiling section lower end, the annular air compartment top horizontal airduct that be arranged in parallel is arranged at intervals with vapourizing furnace boiling section air intake airduct on the horizontal airduct.
Suspension section feeds the air of the preferred 10-12% of total blast volume as secondary air; Operation gasification equivalence ratio is between preferred 0.33-0.38.
, volume light at yellow ginger waste residue and Chinese medicinal materials waste residue quality greatly, easily fly upward, the difficult characteristic of rotting, easily catch fire, have pollution.When this two classes waste residue was heated, because the initial temperature of its decomposition is lower, separating out of volatile matter and constitution water thereof made biomass be easy to gluing together, causes the charging under hot operating mode to be worse off.In the gasification system that the present invention proposes, for guaranteeing that gasification system is not subjected to the pollution of outer gas stream, reactive system is in slight positive pressure state, heat rapidly for the gas-solid fluid that can acutely be mixed after making yellow ginger waste residue or Chinese medicinal materials waste particle in entering vapourizing furnace simultaneously, avoid the interior hot gas of vapourizing furnace to move back to feeding system, the yellow ginger waste residue of feed system is heated.
Vapourizing furnace divides boiling section and suspension section, and furnace binding adopts variable section structure.Less at yellow ginger waste residue and Chinese medicinal materials waste particle degree. light specific gravity, in problems such as residing time in furnace weak points, the suspension section of this device adopts the secondary swirling eddy, with separate part cinder particle during gasification, prolong the residence time of coke granule in stove, pyrolysis fuel oil as much as possible; Strengthen the suspension section sectional area, in order to reduce gas velocity, reduce the flying dust drag-out.The cloth wind system adopts annular air compartment, horizontal bar shaped air channel to combine with vertical airduct, can remove impurities from fuel and quarrel piece very easily, can guarantee that vapourizing furnace can the long-term safety operation.
Description of drawings
Fig. 1 yellow ginger waste residue or Chinese medicinal materials waste residue are produced the device synoptic diagram of combustible gas.
Fig. 2 pipeline air inlet device structural representation I.
Fig. 3 pipeline air inlet device structural representation II.
Fig. 4 feeding unit and vibrating device structural scheme of mechanism.
Embodiment
As shown in Figure 1, the device that adopts yellow ginger waste residue or Chinese medicinal materials waste residue to produce combustible gas comprises vapourizing furnace 30, and vapourizing furnace 30 is by bed feed bin 31, and boiling section 2 and suspension section 8 constitute; Suspension section 8 is provided with secondary rotating air-duct 7, and suspension section top connects the combustible gas cyclone separator.Boiling section 2 epimeres are provided with feeding unit, and feeding unit comprises body feed tank 5 and spiral conveyer 4; Be provided with pipeline air inlet device 1 in vapourizing furnace boiling section 2 lower ends, pipeline air inlet device 1 is connected UNICOM with gas blower 3.Boiling section on the vapourizing furnace is provided with reliever 6, and reliever 6 comprises relief pipe 6.1, and relief pipe is provided with decompression film 6.2.
The combustible gas cyclone separator comprises combustible gas cyclonic separator 9, connects purifying gas output tube 11 on the combustible gas cyclonic separator 9, and combustible gas cyclonic separator 9 has ash bucket 10.
Shown in Fig. 2,3, pipeline air inlet device 1 comprises blast pipe 12, and blast pipe 12 connects the annular air compartment 13 that establish vapourizing furnace boiling section lower ends, the annular air compartment 13 tops horizontal airduct 14 that be arranged in parallel, and horizontal airduct 14 is rectangular section tube; Be arranged at intervals with vapourizing furnace boiling section air intake airduct 15 on the horizontal airduct 14, vapourizing furnace boiling section air intake airduct 15 is vertical with horizontal airduct 14.
As shown in Figure 4, feeding unit comprises body feed tank 5, establishes material case lid 20 on the body feed tank 5, and body feed tank 5 bottoms are provided with spiral conveyer 4, adopts the variable-pitch propeller blade (preventing that the spiral feed system from producing the plug material) with scraper plate in the spiral conveyer 4.Body feed tank 5 connects vibrating device; The present embodiment vibrating device comprises that body feed tank 5 has horizontal rail 18, establishes slide block 16 (also can be roller) in the present embodiment on the horizontal rail 18, and slide block 16 is connected with body feed tank 5.The slider-crank mechanism 19 that body feed tank 5 connects.
The aspect ratio of boiling section 2 and suspension section 8 is 1: 2.5～1: 3.5; Boiling section is 1: 1.5～1: 2.5 with the ratio of the diameter of section of suspension section.
The aspect ratio of boiling section and suspension section is preferably 1: 3 in the present embodiment; Boiling section is preferably 1: 2 with the ratio of the diameter of section of suspension section.
Other structures in the vapourizing furnace are same as the prior art, no longer this tired stating.
Utilize above-mentioned gasification to yellow ginger waste residue or Chinese medicinal materials waste residue to be: air passes through annular air compartment, being arranged at intervals with vapourizing furnace boiling section air intake airduct on horizontal airduct and the horizontal airduct enters in the fluidized-bed gasification furnace, air void tower cross section speed of boiling section in vapourizing furnace is 0.22-0.8m/s, (crank is by electric motor driving by feeding unit for yellow ginger waste residue or Chinese medicinal materials waste residue, body feed tank 5 is under connecting rod drives, horizontal guide rail 18 below body feed tank 5 is done the vibration back and forth of horizontal direction, the material that is vibrated is running through the open spiral conveyer 4 of body feed tank 5) effect under be transported into vapourizing furnace boiling section 2 and enter vapourizing furnace, the gas-solid high temperature fluid that is acutely mixed in vapourizing furnace heats rapidly, combustible gas gas is produced in the fugitive constituent generation pyrolysis of yellow ginger waste residue and Chinese medicinal materials waste residue and the reaction of the incomplete combustion of fixed carbon; Temperature is between 700-800 ℃ in the vapourizing furnace.Operation gasification equivalence ratio is preferably moved between the equivalence ratio 0.33-0.38 between 0.25-0.45.Suspension section feeds the air of total blast volume 8%-15% as the rotation secondary air, preferred secondary air flow 10-12%.Its airflow pattern is swirling eddy, described vapourizing furnace comprises a feed bin, boiling section and suspension section, suspension section be provided with the secondary rotating air-duct, the pipeline air inlet device of boiling section lower end comprises blast pipe, blast pipe connects the annular air compartment that establish vapourizing furnace boiling section lower end, and the annular air compartment top horizontal airduct that be arranged in parallel is arranged at intervals with vapourizing furnace boiling section air intake airduct on the horizontal airduct.The inflammable gas that comes out from vapourizing furnace can directly can be used as cooking fuel gas as industrial inflammable gas or after further purifying by the downstream purification system after the suspension section on vapourizing furnace top enters the cyclone separator rough purification.
Claims (7)
1. device that adopts the Chinese medicinal materials waste residue to produce combustible gas, it comprises by the bed feed bin, the vapourizing furnace that boiling section and suspension section constitute, connect feeding unit on the boiling section, it is characterized in that being provided with the pipeline air inlet device in vapourizing furnace boiling section lower end, be provided with the secondary rotating air-duct at the suspension section of vapourizing furnace, described feeding unit is provided with vibrating device, described pipeline air inlet device comprises blast pipe, blast pipe connects the annular air compartment that establish vapourizing furnace boiling section lower end, the annular air compartment top horizontal airduct that be arranged in parallel is arranged at intervals with vapourizing furnace boiling section air intake airduct on the horizontal airduct; The aspect ratio of boiling section and suspension section is 1: 2.5～1: 3.5; Boiling section is 1: 1.5～1: 2.5 with the ratio of the diameter of section of suspension section; Vibrating device comprises the horizontal rail that feeding unit is divided into, the slider-crank mechanism that feeding unit connects.
2. adopt the Chinese medicinal materials waste residue to produce the device of combustible gas according to claim 1, it is characterized in that the boiling section on the vapourizing furnace is provided with reliever.
3. produce the device of combustible gas as employing Chinese medicinal materials waste residue as described in the claim 2, it is characterized in that described reliever comprises relief pipe, relief pipe is provided with the decompression film.
4. adopt the Chinese medicinal materials waste residue to produce the device of combustible gas according to claim 1, it is characterized in that vapourizing furnace boiling section air intake airduct is vertical with horizontal airduct.
5. adopt the Chinese medicinal materials waste residue to produce the device of combustible gas according to claim 1, it is characterized in that the suspension section top of vapourizing furnace connects the combustible gas cyclone separator.
6. method that adopts the Chinese medicinal materials waste residue to produce combustible gas, it is characterized in that air enters in the fluidized-bed gasification furnace by being arranged at intervals with vapourizing furnace boiling section air intake airduct on annular air compartment, horizontal airduct and the horizontal airduct, air void tower cross section speed of boiling section in vapourizing furnace is 0.22-0.8m/s, the Chinese medicinal materials waste residue enters vapourizing furnace by feeding unit, the gas-solid high temperature fluid that is acutely mixed in vapourizing furnace heats rapidly, combustible gas gas is produced in the fugitive constituent generation pyrolysis of Chinese medicinal materials waste residue and the reaction of the incomplete combustion of fixed carbon; Temperature is between 700-800 ℃ in the vapourizing furnace; Operation gasification equivalence ratio is between 0.33-0.38, suspension section feeds the air of total blast volume 10-12% as secondary air, its airflow pattern is swirling eddy, described vapourizing furnace comprises a feed bin, boiling section and suspension section, suspension section be provided with the secondary rotating air-duct, the pipeline air inlet device of boiling section lower end comprises blast pipe, blast pipe connects the annular air compartment that establish vapourizing furnace boiling section lower end, the annular air compartment top horizontal airduct that be arranged in parallel, be arranged at intervals with vapourizing furnace boiling section air intake airduct on the horizontal airduct, the aspect ratio of boiling section and suspension section is 1: 2.5～1: 3.5; Boiling section is 1: 1.5～1: 2.5 with the ratio of the diameter of section of suspension section.
7. produce the method for combustible gas as employing Chinese medicinal materials waste residue as described in the claim 6, it is characterized in that producing combustible gas gas through the cyclonic separator isolation of purified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910272464 CN101701161B (en) | 2009-10-20 | 2009-10-20 | Device and method for producing combustible gas by adopting waste residue of yam or traditional Chinese medicinal material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910272464 CN101701161B (en) | 2009-10-20 | 2009-10-20 | Device and method for producing combustible gas by adopting waste residue of yam or traditional Chinese medicinal material |
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| CN101701161A CN101701161A (en) | 2010-05-05 |
| CN101701161B true CN101701161B (en) | 2013-07-17 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86105030A (en) * | 1985-09-02 | 1987-03-04 | 莱茵褐煤矿井股份公司 | The method for preparing synthesis gas with solid fuel |
| CN1385500A (en) * | 2002-05-12 | 2002-12-18 | 郑州永泰能源新设备有限公司 | Fluidized bed water gas production method equipped with auxiliary bed reactor and installation thereof |
| CN1648203A (en) * | 2004-12-30 | 2005-08-03 | 华中师范大学 | Method for preparing combustable gas using peltate yam waste slag |
| CN201553712U (en) * | 2009-10-20 | 2010-08-18 | 江汉大学 | Device adopting turmeric waste residue or Chinese herbal medicine waste residue for producing combustible gas |
-
2009
- 2009-10-20 CN CN 200910272464 patent/CN101701161B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86105030A (en) * | 1985-09-02 | 1987-03-04 | 莱茵褐煤矿井股份公司 | The method for preparing synthesis gas with solid fuel |
| CN1385500A (en) * | 2002-05-12 | 2002-12-18 | 郑州永泰能源新设备有限公司 | Fluidized bed water gas production method equipped with auxiliary bed reactor and installation thereof |
| CN1648203A (en) * | 2004-12-30 | 2005-08-03 | 华中师范大学 | Method for preparing combustable gas using peltate yam waste slag |
| CN201553712U (en) * | 2009-10-20 | 2010-08-18 | 江汉大学 | Device adopting turmeric waste residue or Chinese herbal medicine waste residue for producing combustible gas |
Non-Patent Citations (1)
| Title |
|---|
| 米铁等.流化床作为生物质气化反应器试验研究.《化学工程》.2003,第31卷(第5期),第26-30页. * |
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