CN203429142U - Device for preparing combustible gas by employing biomass - Google Patents
Device for preparing combustible gas by employing biomass Download PDFInfo
- Publication number
- CN203429142U CN203429142U CN201320342749.5U CN201320342749U CN203429142U CN 203429142 U CN203429142 U CN 203429142U CN 201320342749 U CN201320342749 U CN 201320342749U CN 203429142 U CN203429142 U CN 203429142U
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- CN
- China
- Prior art keywords
- salt reactor
- molten salt
- biomass
- combustible gas
- melting salt
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002028 Biomass Substances 0.000 title claims abstract description 32
- 150000003839 salts Chemical class 0.000 claims abstract description 65
- 238000002844 melting Methods 0.000 claims description 41
- 230000008018 melting Effects 0.000 claims description 38
- 239000004744 fabric Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 13
- 238000002309 gasification Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 230000015271 coagulation Effects 0.000 abstract 1
- 238000005345 coagulation Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 32
- 238000011946 reduction process Methods 0.000 description 3
- 239000012620 biological material Substances 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 150000005323 carbonate salts Chemical class 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to a device for preparing a combustible gas by employing biomass, and belongs to the technical field of energy chemistry. A device body is a molten salt reactor, wherein a gas outlet is formed in the top end of the device body; a molten salt outlet and a gasified gas outlet are formed in the bottom end of the molten salt reactor; a molten salt reactor grid of which the porosity of a screen is smaller than 0.02 microns is arranged inside the molten salt reactor; a feeding device is also arranged on the molten salt reactor; the molten salt reactor grid is horizontally arranged at any position which is less than 1/3 from the gas outlet and between the molten salt reactor and the molten salt outlet; the feeding device is arranged at the side of the molten salt reactor and arranged above the molten salt reactor grid; a screw feeder is arranged inside the feeding device. By adopting the device for preparing the combustible gas by employing the biomass, molten salt coagulation can be prevented; heat energy released in reaction can be effectively stored, so that the thermal efficiency of the overall biomass gasification process is improved.
Description
Technical field
The utility model relates to the device that a kind of biomass are produced combustible gas, belongs to energy technical field of chemistry.
Background technology
Along with exhaustion and the concern of the mankind to global environmental problem of fossil energy, biomass energy substitutes the research and development that fossil energy is utilized, and has become the focus of lot of domestic and foreign scholar's research and concern.
Traditional biomass gasification is produced combustible gas process and is divided into dry, pyrolysis, oxidation and reduction four-stage:
(1) drying process: biomass enter after vapourizing furnace is separated out surface-moisture under the effect of heat, in the time of 200～300 ℃, is main drying stage;
(2) pyrolytic reaction: start to carry out pyrolytic reaction when temperature is elevated to more than 300 ℃.In the time of 300～400 ℃, biomass just can discharge the volatile matter of 70% left and right, and coal to 800 ℃ just can discharge approximately 30% volatile matter.The volatile matter that pyrolytic reaction is separated out mainly comprises water vapour, H
2, CO, CH
4, tar and other hydrocarbon polymers;
(3) oxidizing reaction: the residue charcoal of pyrolysis and the air of introducing react, temperature of reaction is about 800～900 ℃;
(4) reduction process: reduction process does not have oxygen, in the products of combustion in zone of oxidation and water vapour and reducing zone, charcoal reacts, and generates H
2with CO etc.These gases and volatile component inflammable gas, completed the conversion process of solid biomass to geseous fuel.
The problem existing in combustible gas process is produced in above-mentioned traditional biomass gasification to be had: in four main phase of gasification, the oxidizing reaction stage has discharged a large amount of heat energy, owing to failing to collect heat energy wherein in conventional production methods, has caused the waste of the energy; In reduction process, need to consume a large amount of heat energy, need the external world that corresponding energy is provided for this reason.Therefore, in reaction, a large amount of loss and the consumption of heat energy, reduces the thermo-efficiency of whole biomass gasification process greatly.
Summary of the invention
For overcoming the deficiencies in the prior art, the utility model provides a kind of biomass to produce the device of combustible gas, effectively raise the gasification efficiency of biomass and improved the GAS QUALITY of product combustible gas simultaneously, and the device that these biomass are produced combustible gas can prevent that fused salt from solidifying, effectively, by the thermal energy storage discharging in reaction, the thermo-efficiency of whole biomass gasification process is improved.
Biomass of the present utility model are produced the device of combustible gas, device body is melting salt reactor 2, its top has pneumatic outlet 1, bottom to have fused salt outlet 5 and gasifying gas entrance 6, inside to have melting salt reactor every sieve 7, and the melting salt reactor of melting salt reactor 2 is also provided with feeding device 3 every sieve 7 tops.
Described melting salt reactor is arranged on melting salt reactor 2 apart from the optional position below 1/3 and between fused salt outlet 5 of pneumatic outlet 1 every sieve 7 levels.
Described feeding device 3 is arranged on the side of melting salt reactor 2 and inner with feeding screw 4.
Described melting salt reactor is less than 0.02 μ m every the voidage of sieve 7 screen clothes.
Biomass of the present utility model are produced the using method of the device of combustible gas:
(1) by subcarbonate, add catalyzer 8 and fully mix after by the feeding screw 4 in feeding device 3, join in melting salt reactor 2, in melting salt reactor 2, be dried and obtain temperature and be subcarbonate melting salt 9 systems of 800～1200 ℃;
(2) biological material also joins in the subcarbonate melting salt system of 800～1200 ℃ in melting salt reactor 2 by the feeding screw 4 in feeding device 3, from gasifying gas entrance 6, continue to pass into gasifying gas reaction 1～3h, the gas constantly overflowing from pneumatic outlet 1 is and comprises CO simultaneously
2, CO, H
2, CH
4, C
2h
4and C
2h
6inflammable gas.After having reacted, remaining subcarbonate melting salt system is filtered every sieve 7 through being less than the melting salt reactor of 0.02 μ m, every sieve below, be the biological material after having reacted, every the upper remaining basic carbonate salt system that is of sieve, basic carbonate salt system is retained in device and uses for lower secondary response recirculation.
The beneficial effects of the utility model are:
(1) medium of fused salt in this device has accumulation of heat-heat transmission function, can storage reaction process liberated heat, and the effect of serving as thermal barrier and reaction medium, is rationally utilized chemical heat and outside heat;
(2) combustible gas in this device improves self gaseous constituent through melting salt, has improved the content of hydrogen and carbon monoxide in combustible gas, thus the quality of raising combustible gas.
(3) this device can prevent that fused salt from solidifying, and effectively by the thermal energy storage discharging in reaction, the thermo-efficiency of whole biomass gasification process is improved.
Accompanying drawing explanation
Fig. 1 is the setting drawing that the utility model biomass are produced combustible gas.
In figure, each label is: 1-pneumatic outlet, and 2-melting salt reactor, 3-feeding device, 4-feeding screw, 5-fused salt outlet, 6-gasifying gas entrance, 7-melting salt reactor is every sieve, 8-catalyzer, 9-melting salt.
Embodiment
Below in conjunction with accompanying drawing 1 and embodiment, the device of the utility model biomass being produced to combustible gas is described further.
Embodiment one: as Fig. 1 biomass are produced as described in the setting drawing of combustible gas, in present embodiment, to produce the device body of combustible gas be melting salt reactor 2 to biomass, it is that the melting salt reactor of 0.015 μ m is arranged on melting salt reactor 2 apart from pneumatic outlet 1/3 place every sieve 7(level that its top has pneumatic outlet 1, bottom to have fused salt outlet 5 and gasifying gas entrance 6, inside to have screen cloth porosity), the melting salt reactor of melting salt reactor 2 is also installed with the inner feeding device 3 with feeding screw 4 every sieve 7 tops.
Embodiment two: as Fig. 1 biomass are produced as described in the setting drawing of combustible gas, in present embodiment, to produce the device body of combustible gas be melting salt reactor 2 to biomass, it is that 0.019 μ m melting salt reactor is arranged on melting salt reactor 2 apart from pneumatic outlet 1/2 place every sieve 7(level that its top has pneumatic outlet 1, bottom to have fused salt outlet 5 and gasifying gas entrance 6, inside to have screen cloth porosity), the melting salt reactor of melting salt reactor 2 is also installed with the inner feeding device 3 with feeding screw 4 every sieve 7 tops.
Embodiment three: as Fig. 1 biomass are produced as described in the setting drawing of combustible gas, in present embodiment, to produce the device body of combustible gas be melting salt reactor 2 to biomass, the fused salt that the melting salt reactor that its top has pneumatic outlet 1, bottom to have fused salt outlet 5 and gasifying gas entrance 6, inside to have the porosity of screen cloth to be less than 0.02 μ m is arranged on melting salt reactor 2 every sieve 7(level exports 5 tops), the melting salt reactor of melting salt reactor 2 is also provided with feeding device 3 every sieve 7 tops.
Claims (4)
1. biomass are produced the device of combustible gas, this device body is melting salt reactor (2), the fused salt outlet (5) and the gasifying gas entrance (6) that comprise top pneumatic outlet (1), feeding device (3) and bottom, it is characterized in that: described device body inside is provided with melting salt reactor every sieve (7), the melting salt reactor of melting salt reactor (2) is also provided with feeding device (3) every sieve (7) upper outer.
2. biomass according to claim 1 are produced the device of combustible gas, it is characterized in that: described melting salt reactor is arranged on melting salt reactor (2) apart from the optional position below 1/3 and between fused salt outlet (5) of pneumatic outlet (1) every sieve (7) level.
3. biomass according to claim 1 are produced the device of combustible gas, it is characterized in that: described feeding device (3) is inner with feeding screw (4).
4. biomass according to claim 1 are produced the device of combustible gas, it is characterized in that: described melting salt reactor is every the porosity of sieve (7) screen cloth
be less than0.02 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320342749.5U CN203429142U (en) | 2013-06-17 | 2013-06-17 | Device for preparing combustible gas by employing biomass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320342749.5U CN203429142U (en) | 2013-06-17 | 2013-06-17 | Device for preparing combustible gas by employing biomass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203429142U true CN203429142U (en) | 2014-02-12 |
Family
ID=50058192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320342749.5U Expired - Fee Related CN203429142U (en) | 2013-06-17 | 2013-06-17 | Device for preparing combustible gas by employing biomass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203429142U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105838449A (en) * | 2016-05-23 | 2016-08-10 | 太原理工大学 | System and method for catalytic purification treatment on coal chemical industry crude synthesis gas |
-
2013
- 2013-06-17 CN CN201320342749.5U patent/CN203429142U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105838449A (en) * | 2016-05-23 | 2016-08-10 | 太原理工大学 | System and method for catalytic purification treatment on coal chemical industry crude synthesis gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20140617 |
|
| EXPY | Termination of patent right or utility model |