CN205821264U - Biomass circulating fluidized bed dry type gasification station - Google Patents
Biomass circulating fluidized bed dry type gasification station Download PDFInfo
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- CN205821264U CN205821264U CN201620710544.1U CN201620710544U CN205821264U CN 205821264 U CN205821264 U CN 205821264U CN 201620710544 U CN201620710544 U CN 201620710544U CN 205821264 U CN205821264 U CN 205821264U
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Abstract
This utility model relates to biomass energy and manufactures device, and specifically a kind of biomass circulating fluidized bed dry type gasification station, including the feed system being successively set on pipeline, circle fluidized-bed gasification furnace, burnt oil removal system, blower fan and load or air accumulator；Wherein: on the pipeline between circle fluidized-bed gasification furnace and burnt oil removal system, be disposed with dry whirlwind type dust cleaner, hot precipitator and indirect cooler.This utility model has the advantage, that due to described structure and reduces pollutant emission, is beneficial to extract by-product, reduces the manufacturing cost of biomass energy.
Description
Technical field
This utility model relates to biomass energy manufacture device, especially one and reduces pollutant emission, is beneficial to extract by-product
Thing, the biomass circulating fluidized bed dry type gasification station of reduction biomass energy manufacturing cost.
Background technology
Existing biomass energy manufactures device and generally comprises feed system, the recirculating fluidized bed gasification being successively set on pipeline
Stove, water wash system, burnt oil removal system, blower fan and load or air accumulator, so-called load refers to be used for biological fuel gas to generate electricity,
Bake bricks or other commercial production is used.The water wash system of this class formation is i.e. to the coarse biometric matter produced in circle fluidized-bed gasification furnace
Combustion gas carries out depositing dust cooling, the most of flying dust in coarse biometric matter combustion gas, tar, and wood vinegar enters in the water of water wash system, makes
The secondary pollution of Cheng Shui, in making station, environment is poor, frowziness, and water processes more complicated, and operating cost is high.Tar, wood vinegar is originally
Valuable by-product, also because washing after with flying dust, water mix, be difficult to separate, it is impossible to as by-product utilized.
Due to the characteristic of raw material self, the coarse biometric matter combustion gas produced contains tar, carries a large amount of flying dust, dust secretly, if directly
Connecing use dry type cooling system, tar and flying dust are bonded together, and will result in heating surface wear, cooler or heat exchanger blocking,
Causing systemic breakdown, therefore the biomass fluidized bed gasification furnace on market the most all uses above-mentioned water wash system, i.e. uses spray
Scrubbing tower washing coarse biometric matter combustion gas carries out cooling and dedusting temperature reduction technology and produces biomass energy.
In sum, the biomass energy of prior art manufactures device and cooling water is caused serious secondary pollution, pollutes ring
Border, is unfavorable for the extraction of by-product, manufactures the high expensive of biomass energy.
Utility model content
The purpose of this utility model is to provide a kind of reduction pollutant emission, is beneficial to extract by-product, reduce biomass energy
The biomass circulating fluidized bed dry type gasification station of manufacturing cost.
Employed technical scheme comprise that such for achieving the above object, i.e. a kind of biomass circulating fluidized bed dry type gasification
Stand, including the feed system being successively set on pipeline, circle fluidized-bed gasification furnace, burnt oil removal system, blower fan and load or
Air accumulator；Wherein:
Be disposed with on pipeline between circle fluidized-bed gasification furnace and burnt oil removal system dry whirlwind type dust cleaner,
Hot precipitator and indirect cooler；
The air inlet at described dry whirlwind type dust cleaner top is by the gas outlet of pipeline with circle fluidized-bed gasification furnace top
Connection, the gas outlet at dry whirlwind type dust cleaner top connects with the air inlet of hot precipitator, is positioned at the bottom of dry whirlwind type dust cleaner
The scum pipe in portion and the inner space of circle fluidized-bed gasification furnace；The gas outlet of described hot precipitator is entered with indirect cooler
QI KOU connects, and the gas outlet of this indirect cooler connects with the air inlet of burnt oil removal system；
Tar collecting pipe and wood vinegar collecting pipe, described tar collecting pipe and wood vinegar it is provided with on described indirect cooler
Collecting pipe is connected with collection vessel by two connecting tubes, is provided with suction pump in these two connecting tubes；
Ajutage and spiral ash removal equipment it is provided with, on this ajutage at the combustor of described circle fluidized-bed gasification furnace
It is provided with aerator.
This utility model have the advantage, that due to said structure reduce pollutant emission, be beneficial to extract by-product,
Reduce the manufacturing cost of biomass energy.
Accompanying drawing explanation
This utility model can be further illustrated by the nonlimiting examples that accompanying drawing is given.
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings:
Seeing accompanying drawing 1, the biomass circulating fluidized bed dry type gasification station in figure, including the charging being successively set on pipeline
System 1, circle fluidized-bed gasification furnace 2, burnt oil removal system 3, blower fan 4 and load or air accumulator；It is characterized in that:
It is disposed with dry whirlwind type dust cleaner on pipeline between circle fluidized-bed gasification furnace and burnt oil removal system
5, hot precipitator 6 and indirect cooler 7；
The air inlet at described dry whirlwind type dust cleaner 5 top is given vent to anger by pipeline and circle fluidized-bed gasification furnace 2 top
Mouth connection, the gas outlet at dry whirlwind type dust cleaner 5 top connects with the air inlet of hot precipitator 6, is positioned at dry type cyclone dust removal
Scum pipe 8 bottom device 5 and the inner space of circle fluidized-bed gasification furnace 2；The gas outlet of described hot precipitator 6 is with the coldest
But the air inlet connection of device 7, the gas outlet of this indirect cooler 7 connects with the air inlet of burnt oil removal system 3；
Tar collecting pipe 9 and wood vinegar collecting pipe 10, described tar collecting pipe 9 He it is provided with on described indirect cooler 7
Wood vinegar collecting pipe 10 is connected with collection vessel 12 by two connecting tubes 11, is provided with suction in these two connecting tubes 11
Pump 13；
Being provided with ajutage 14 and spiral ash removal equipment 15 at the combustor of described circle fluidized-bed gasification furnace 2, this send
Aerator 16 it is provided with on airduct 14.
For reducing further the temperature of biological fuel gas, in above-described embodiment, preferably: described hot precipitator 6 and
Connect and on the pipeline between cooler 7, be provided with air cooler 17, the air inlet of this air cooler 17 and gas outlet respectively with
The gas outlet of hot precipitator 6 connects with the air inlet of indirect cooler 7.
For further reducing dust content in biological fuel gas, it is to avoid dust blocking subsequent processing device, above-mentioned enforcement
In example, preferably: described dry whirlwind type dust cleaner 5 is at least two, near the dry type cyclone dust removal of circle fluidized-bed gasification furnace 2
The air inlet of device 5 is connected with the gas outlet at circle fluidized-bed gasification furnace 2 top by pipeline, near the dry type of hot precipitator 6
The gas outlet of cyclone dust extractor 5 connects with the air inlet of hot precipitator 6；The top of adjacent two dry whirlwind type dust cleaners 5 leads to
Piping connection forms multistage dedusting ash disposal.
For ease of maintenance, in above-described embodiment, preferably: the described dry whirlwind type dust cleaner 5 near hot precipitator 6
Outlet port is provided with a bypass pipe 18, and the outlet side of this bypass pipe 18 cools down with air inlet or the air of indirect cooler 7
The air inlet connection of device 17, the gas outlet of this air cooler 17 connects with the air inlet of indirect cooler 7；Bypass pipe 18 He
It is all provided with on the pipeline between gas outlet and the air inlet of hot precipitator of the dry whirlwind type dust cleaner 5 of hot precipitator 6
It is equipped with control valve 19.
In the above-described embodiments, gasifying agent available air, steam or the oxygen-enriched air in ajutage 14, passes through aerator
In 16 combustor blasting circle fluidized-bed gasification furnace 2, gasifying agent is by the biomass in the inner chamber of circle fluidized-bed gasification furnace 2
Raw material so that it is be in suspended state pyrolytic gasification, lime-ash is discharged outside circle fluidized-bed gasification furnace 2 by spiral ash removal equipment 15,
Coarse biometric matter combustion gas is carried flying dust secretly and is discharged from the gas outlet on circle fluidized-bed gasification furnace 2 top.Gone out by circle fluidized-bed gasification furnace 2
The coarse biometric matter combustion gas that QI KOU is discharged enters dry whirlwind type dust cleaner 5, and bulky grain separates return circle fluidized-bed gasification furnace 2
Continuing reaction, the coarse biometric matter combustion gas of 350 DEG C is directly entered hot precipitator 6.Dust-laden thick combustion gas biogas enters high temperature and removes
The filter air inlet pipe of dirt device 6, after gas distributor, is entered filter bag by filter bag surface, and isolated solid phase particles is attached to
Filter bag surface, obtains clean biological fuel gas, and clean biological fuel gas enters after being enriched with by filter bag hollow channel and cleans room, then by
The gas outlet of hot precipitator 6 is discharged.
The clean biological fuel gas that the gas outlet of hot precipitator 6 is discharged sequentially enters air cooler 17, indirectly cools down
Device 7 is lowered the temperature, to meet the follow-up load requirement to fuel gas temperature.Biological fuel gas dust-laden after hot precipitator 6
Amount is few, will not result in blockage air cooler 17, indirect cooler 7.Indirect cooler 7 is provided with tar collecting pipe 9
With wood vinegar collecting pipe 10, described tar collecting pipe 9 and wood vinegar collecting pipe 10 by two connecting tubes 11 and collection vessel 12
Connection, is beneficial to collect by-product, increases bioenergy output kind.
The burnt oil removal system 3 arranged behind the gas outlet of indirect cooler 7 can be electrical tar precipitator, tar filter
Deng, reach the purpose of clean biological fuel gas.
It is provided with blower fan 4 behind the gas outlet of burnt oil removal system 3, biological fuel gas is carried out supercharging, and can also be on side
Road arranges Safety water seal pressure relief device, and the diffusion mouth at Safety water seal pressure relief device arranges residual air burner, makes the residual air of discharge
It is then exhausted from after burning, meets environmental requirement further.
The advantage of said structure is: complete dust removal process more than tar dew point temperature, does not has in making hot precipitator 6
Tar bonds, can be with continuous and steady operation；In follow-up cooling procedure, dustiness is few, will not be with dust adhering after tar condensing
Knot, so having good mobility, will not result in blockage to the heat-transfer surface of air cooler 17, indirect cooler 7；Cooling
Process water is not directly contacted with combustion gas, does not has sewage to produce, does not results in secondary pollution；Cooling procedure can be collected tar and wood vinegar
Liquid is as by-product；Reduce gasification station floor space, reduce operating cost.
In above-described embodiment, described parts are market products.
Obviously, above-mentioned all embodiments are a part of embodiment of the present utility model rather than whole embodiments.Based on
Embodiment described in the utility model, those skilled in the art obtained under not making creative work premise all other
Embodiment, broadly falls into the category of this utility model protection.
In sum, due to said structure, reduce pollutant emission, be beneficial to extract by-product, reduce biomass energy
Manufacturing cost.
Claims (4)
1. a biomass circulating fluidized bed dry type gasification station, including the feed system being successively set on pipeline, ciculation fluidized
Bed gasification furnace, burnt oil removal system, blower fan and load or air accumulator；It is characterized in that:
It is disposed with dry whirlwind type dust cleaner, high temperature on pipeline between circle fluidized-bed gasification furnace and burnt oil removal system
Cleaner unit and indirect cooler；
The air inlet at described dry whirlwind type dust cleaner top is connected with the gas outlet at circle fluidized-bed gasification furnace top by pipeline,
The gas outlet at dry whirlwind type dust cleaner top connects with the air inlet of hot precipitator, is positioned at the row bottom dry whirlwind type dust cleaner
Slag pipe and the inner space of circle fluidized-bed gasification furnace；The gas outlet of described hot precipitator connects with the air inlet of indirect cooler
Logical, the gas outlet of this indirect cooler connects with the air inlet of burnt oil removal system；
It is provided with tar collecting pipe and wood vinegar collecting pipe, described tar collecting pipe and wood vinegar on described indirect cooler to collect
Pipe is connected with collection vessel by two connecting tubes, is provided with suction pump in these two connecting tubes；
It is provided with ajutage and spiral ash removal equipment at the combustor of described circle fluidized-bed gasification furnace, this ajutage is arranged
There is aerator.
Biomass circulating fluidized bed dry type gasification station the most according to claim 1, it is characterised in that: described dry type whirlwind removes
Being provided with hot precipitator on pipeline between dirt device and indirect cooler, the air inlet of this hot precipitator and gas outlet are respectively
Connect with the gas outlet of dry whirlwind type dust cleaner and the air inlet of air cooler.
Biomass circulating fluidized bed dry type gasification station the most according to claim 1, it is characterised in that: described dry type whirlwind removes
Dirt device is at least two, and the air inlet near the dry whirlwind type dust cleaner of circle fluidized-bed gasification furnace passes through pipeline with ciculation fluidized
The gas outlet connection at bed gasification furnace top, the gas outlet of the dry whirlwind type dust cleaner of close hot precipitator and hot precipitator
Air inlet connects；The top of adjacent two dry whirlwind type dust cleaners forms multistage dedusting ash disposal by pipeline communication.
Biomass circulating fluidized bed dry type gasification station the most according to claim 3, it is characterised in that: described close high temperature removes
The outlet port of the dry whirlwind type dust cleaner of dirt device is provided with a bypass pipe, the outlet side of this bypass pipe and indirect cooler
The air inlet connection of air inlet or air cooler, the gas outlet of this air cooler connects with the air inlet of indirect cooler；
At bypass pipe with near the pipe between gas outlet and the air inlet of hot precipitator of the dry whirlwind type dust cleaner of hot precipitator
Control valve it is provided with on line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620710544.1U CN205821264U (en) | 2016-07-07 | 2016-07-07 | Biomass circulating fluidized bed dry type gasification station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620710544.1U CN205821264U (en) | 2016-07-07 | 2016-07-07 | Biomass circulating fluidized bed dry type gasification station |
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| CN205821264U true CN205821264U (en) | 2016-12-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460582A (en) * | 2020-11-03 | 2021-03-09 | 广东奥鑫新能源科技有限公司 | Biomass gasification stove co-combustion system |
-
2016
- 2016-07-07 CN CN201620710544.1U patent/CN205821264U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460582A (en) * | 2020-11-03 | 2021-03-09 | 广东奥鑫新能源科技有限公司 | Biomass gasification stove co-combustion system |
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