CN208308788U - A kind of biomass baking system of organic heat carrier heating - Google Patents
A kind of biomass baking system of organic heat carrier heating Download PDFInfo
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- CN208308788U CN208308788U CN201820579370.9U CN201820579370U CN208308788U CN 208308788 U CN208308788 U CN 208308788U CN 201820579370 U CN201820579370 U CN 201820579370U CN 208308788 U CN208308788 U CN 208308788U
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- organic heat
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- baking
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- 239000002028 Biomass Substances 0.000 title claims abstract description 62
- 238000010438 heat treatment Methods 0.000 title claims abstract description 42
- 239000007789 gas Substances 0.000 claims abstract description 43
- 239000012159 carrier gas Substances 0.000 claims abstract description 30
- 239000007788 liquid Substances 0.000 claims description 18
- 238000000197 pyrolysis Methods 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 16
- 239000003610 charcoal Substances 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 8
- 230000006978 adaptation Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 36
- 239000000463 material Substances 0.000 description 12
- 238000003756 stirring Methods 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- -1 solar energy Substances 0.000 description 4
- 239000012075 bio-oil Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000036760 body temperature Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000002803 fossil fuel Substances 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 1
- 230000036983 biotransformation Effects 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- ZCILODAAHLISPY-UHFFFAOYSA-N biphenyl ether Natural products C1=C(CC=C)C(O)=CC(OC=2C(=CC(CC=C)=CC=2)O)=C1 ZCILODAAHLISPY-UHFFFAOYSA-N 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The utility model discloses a kind of biomass baking systems of organic heat carrier heating, and carrier gas supply system, the organic heat carrier heating system for heating curing range, the temperature control system for controlling baking system temperature and the tail gas collection system being connected with baking system of gas are provided including baking system, for baking system；The organic heat carrier heating system includes oil storage tank and oil heater；The air inlet of the carrier gas supply system is connected to by the carrier gas inlet with the cylinder；The air inlet of the tail gas collection system is connected to the gas outlet.The utility model is the external source for using organic heat carrier to bake as biomass, has the characteristics that baking process temperature control is accurate, biomass undergoes adaptation is strong, charcoal stay in grade, heat carrier can be recycled and the thermal efficiency is high.
Description
Technical field
The utility model relates to a kind of baking system, in particular to a kind of biomass of organic heat carrier heating bakes system
System.
Background technique
A large amount of utilize of fossil fuel causes environmental pollution and the CO of global range2Greenhouse effects caused by discharging etc. one
Series of problems also greatlys restrict global economy and social development.Since 20 middle of century, the mankind are to the energy, environment and warp
Ji development problem is re-recognized, Devoting Major Efforts To Developing with substitute the conventional fossil fuel energy using renewable energy and be considered
It is current control SO2、NOxEqual pollutants and greenhouse gases CO2The important countermeasure of discharge.Renewable energy mainly include it is flammable can
The non-fossils energy such as the renewable sources of energy and waste, solar energy, water energy, wind energy, biomass energy, geothermal energy and ocean energy.All
In renewable energy, biomass energy has the unrivaled advantage of other renewable energy.Biomass resource is abundant in the world, kind
There are many class, various informative, mainly there is fuel wood, farm-forestry crop, water plant, municipal solid wastes, domestic sludge, fowl and animal excrement
Deng.Biomass energy accounts for the 14% of world energy sources wastage in bulk or weight, is only second to petroleum, coal and natural gas, occupies the 4th.Although biomass
Can have the burnt activity of low-sulfur, low nitrogen, high-volatile, high ash, zero CO2Many advantages, such as net discharge, but its distribution extremely disperses, shape
State is different, and energy density is low, biggish challenge is brought to collection, transport, storage and utilization, therefore, it is necessary to take certain
Pretreatment measure or path for transformation are to promote the economy that it is utilized.
Biomass energy path for transformation mainly includes direct combustion method, thermochemical study method, biotransformation method, chemical transformation
With physical transformations method.Biomass bakes (also referred to as low temperature pyrogenation) as a kind of important thermochemical study technology, obtains in recent years
More concern.It, which refers to, turns biomass under anaerobic or anoxic, 200 ~ 300 DEG C and lower heating rate (< 50 DEG C/min)
It turns to based on solid product (charcoal), while the hot chemical treatment method of a small amount of liquids and gases product of association.At baking
Reason can reduce the moisture content and water imbibition of biomass, significantly improve the calorific value and energy density of biomass, improve its grindability
With rotting property, to be suitable for long-term storage.The research baked at present about biomass focuses primarily upon biomass and bakes spy
Property and its dynamics in terms of, and for the research of curing range report it is less.It can be divided according to the baking of heat source supply mode biomass
For external-heat, internal heat type and three kinds of self-burning type.External-heat mainly uses heat carrier (air, flue gas, superheated steam, conduction oil
Deng) or the modes such as electric heating material is heated indirectly；Internal heat type is former by heat carrier (flue gas or air) and biomass
Material directly contact is heated；And the heat that self-burning type is released generally by part biological matter own combustion is to biomass original
Material is directly heated.According to the operating condition of baking process material, mainly there are three kinds of fixed bed, moving bed and fluidized bed shapes
Formula.Fixed bed is the baking mode that laboratory research generallys use, but it is small in the presence of processing inventory, temperature distribution evenness is poor
Defect.Currently, commercialization curing range primarily focuses on moving bed and fluidization, wherein moving bed includes multi-compartment bed, spiral shell again
The forms such as rotating, rotary kiln, but these devices are in the research and development starting stage, need to be further improved.
Utility model content
Purpose of utility model: the utility model should not control to solve temperature in biomass baking process, at biomass
Reason amount is small and existing curing range there are the problem of, provide a kind of biomass baking system of organic heat carrier heating.
Technical solution: the biomass baking system of organic heat carrier heating described in the utility model, including baking system,
The carrier gas supply system of gas, the organic heat carrier heating system for heating curing range are provided, for controlling for baking system
The temperature control system of baking system temperature processed and the tail gas collection system being connected with baking system；
The baking system include cylinder, the discharge port for being opened on cylinder lower end, positioned at cylinder lower end carrier gas inlet with
And the pyrolysis gas outlet positioned at cylinder upper end；
The organic heat carrier heating system includes oil storage tank, oil heater, sets with what the oil storage tank liquid outlet was connected
It is equipped with the first connecting tube of the first shut-off valve, being provided with of being connected with the oil storage tank inlet the second of the second shut-off valve connect
Pipe, the third connecting tube for being provided with third shut-off valve being connected with the oil heater liquid outlet and the oil heater feed liquor
Connected the 4th connecting tube for being provided with the 4th shut-off valve of mouth and the coiled pipe that the cylinder periphery is surrounded in shape of threads；Institute
The inlet for stating coiled pipe is connected to first connecting tube with third connecting tube respectively；The liquid outlet of the coiled pipe respectively with
Second connecting tube is connected to the 4th connecting tube；
The air inlet of the carrier gas supply system is connected to by carrier gas inlet with the cylinder；The tail gas collection system
Air inlet is connected to the gas outlet of the baking system.
The carrier gas supply system, including gas cylinder (generally nitrogen), pressure reducing valve, suspended body flowmeter and its corresponding connection
Pipeline and valve.
In order to prevent oil storage fill loop and oil reheat loop switching is sensitiveer and anti-loops in organic heat carrier go out
The 5th shut-off valve is arranged in the inlet of the coiled pipe in the situation now to flow back, and the liquid outlet of coiled pipe is provided with the 6th cut-off
Valve.
In order to enable the temperature of baking system is constant, lagging casing, the coiled pipe position are enclosed in the cylinder body outer wall
Between the lagging casing and cylinder, when organic heat carrier flows through coiled pipe, efficiently baking system can be heated,
And lagging casing is used for the heat preservation of curing range.
The utility model is arranged temperature control system and carries out real-time monitoring to the temperature in whole system at any time, in order to obtain system
The temperature data of interior different location, above-mentioned temperature control system include the first temperature detector and second temperature detector；Described
One temperature detector is set to the inner barrel；The second temperature detector is set to the lagging casing and the cylinder
Between.
The inlet of the oil heater is in series with oil pump and oil filter by the 4th connecting tube, and oil pump is carried for organic heat
Circulation of the body in system, oil filter can guarantee the quality of the organic heat carrier recycled in system.The organic heat carrier packet
Biphenyl-biphenyl ether type, alkyl biphenyl type, alkyl biphenyl ether type etc. are included, there is preferable thermal stability, thermal conductivity and peace and quiet dispersion
Property.
In order to enable the organic heat carrier in system cools down rapidly, the oil storage tank periphery is provided with cooler.
Above-mentioned tail gas collection system is used for the collection and purification of pyrolysis gas, including biological oil interceptor, gas collector
And emptier, the bio oil collection device are the short wide-mouth bottle out of progress being immersed in condensed water, the gas collection
Device is the collection airbag or air collector for being connected to device end.
Above-mentioned baking system further includes such as flowering structure:
The inner barrel lower end is provided with netted more plate hole components for placing biomass, and mesh structural porous board group part can
To reduce the moisture of final charcoal finished product.
The cylinder upper end is provided with motor and is connected to the motor the agitating device positioned at inner barrel, and the motor is logical
Shaft coupling is crossed to be connected with the agitating device.
In order to further illustrate the curing range of the utility model, the specific structure of curing range are as follows: including variable-frequency motor,
Ellipse head, cylinder, agitating device, mesh structural porous board group part, rack kit etc..The ellipse head feeds equipped with biomass
Valve, pyrolysis gas outlet, the thermocouple interface for being provided with feeding chamber at mouth, feed opening, being arranged between feeding chamber and feed opening
And upper lower flange；The cylinder top is equipped with upper flange, and bottom is equipped with charcoal discharge port, carrier gas inlet and curing range branch
Support arrangement；The agitating device is made of agitating shaft and several layers (3-5 layers) stirring blade, and wherein piece can be used in stirring blade
The different types such as shape, zigzag, twisted shape, stirring blade length can be adjusted flexibly according to the difference of biomass material type；
The mesh structural porous board group part is composed of the steel wire of porous plate and different meshes, and is set to the bottom of inner barrel,
Play the role of supporting biomass material and uniformly distributed carrier gas.Frequency modulation motor is fixed on the top of rack kit, the bottom of rack kit
Portion is connected with ellipse head upper flange；Ellipse head bottom is connected at the top of cylinder by flange；Frequency modulation motor central axis is logical
Shaft coupling is crossed to be connected with agitating shaft.
The working method of the biomass baking system of the utility model are as follows:
1) according to system operation requirements, assemble and connect each subsystem, the relevant air tightness test of finishing device.
2) globe valve for closing biomass feed opening excludes the intracorporal air of cylinder using biggish carrier gas flux in advance；It is logical
After about 20 min of gas, suspended body flowmeter flow is adjusted to 2-10L/min.
3) open biomass feeding chamber imported valve and a certain amount of biomass material be added to inner barrel, charging it is same
Shi Qidong frequency modulation motor, and mixing speed (generally 15-120rpm) is adjusted according to biomass type, life is closed after charging
Substance feeding chamber imported valve.
4) using the oxygen content in flue gas analyzer detection pyrolysis gas outlet pipeline, when the oxygen content in gas meets
When baking test requires (less than 0.5%), electric heater is opened, sets heating rate (20-50 DEG C/min), stoving temperature (200-
300 DEG C) and soaking time (10-240min), organic heat carrier heating system exits and entrances valve is opened, it is peripheral using cylinder is located at
Coiled pipe as heat exchanger, indirect heating is carried out to the intracorporal biomass of cylinder, at this point, cylinder endogenous substance raw material is in external warm
It is uniformly baked under the collective effect in source, stirring and carrier gas.In baking process to organic heat carrier inlet and outlet, coiled pipe and
The temperature of inner barrel etc. carries out real-time monitoring, and passes through the automatic adjustment of oil heater power and organic heat carrier flow,
Realize the accurate control to heating rate and cylinder body temperature.Steam, bio oil and the on-condensible gas generated in baking process exists
Tail gas collection system is entered by pyrolysis gas outlet under carrier gas carrying, liquid is obtained respectively after condensing and gaseous state bakes product.
5) after baking, the exits and entrances valve of oil heater and organic heat carrier heating system is closed, and opens it
His bypass valve, closes oil pump after organic heat carrier natural cooling.Meanwhile under conditions of continuously stirring and being passed through carrier gas,
Charcoal is cooled to room temperature, is finally taken out by charcoal discharge port, is placed in spare in sealing container.
The utility model has the advantages that compared with prior art, (1) the utility model is using organic heat carrier, coiled pipe, inner barrel etc.
The temperature control method that multiple spot monitoring combines improves the control precision of biomass stoving temperature；(2) circulation of organic heat carrier makes
With enhancing heat transfer effect, save external source, improve system thermal efficiency；(3) the utility model is made using organic heat carrier
For the external source that biomass bakes, have that baking process temperature control is accurate, biomass undergoes adaptation is strong, charcoal stay in grade, heat
The features such as carrier can be recycled and the thermal efficiency is high；(4) presence of agitating device enhances biomass material and wall in cylinder
Heat exchange between face, gas-solid and solid particle improves baking quality and biology so that the temperature of solid material is more uniform
Charcoal quality；(5) system temperature control is convenient for using external-heat heating system, and product will not be baked to biomass and is impacted.
Detailed description of the invention
Fig. 1 is 1 structural schematic diagram of embodiment.
Specific embodiment
The utility model is described in more detail with reference to the accompanying drawing.
Embodiment 1: as shown in Figure 1, the biomass baking system of organic heat carrier described in the utility model heating, including
The carrier gas supply system 1 of gas is provided for baking system, the organic heat carrier heating system 2 for heating curing range, is used for
Control temperature control system 3, baking system 4 and the tail gas collection system 5 being connected with baking system of baking system temperature.
Carrier gas supply system 1, including nitrogen gas cylinder 101, suspended body flowmeter 102 and pressure reducing valve 103, carrier gas supply system
Air inlet is connected to by carrier gas inlet 303 with cylinder 404, and nitrogen enters 4 bottom of curing range, for for test provide anaerobic or
The environment of anoxic.
Organic heat carrier heating system 2 includes oil storage tank 201, oil filter 202, oil pump 203, oil heater 204 and setting
Cooler 213 in 201 periphery of oil storage tank, what 201 liquid outlet of oil storage tank was connected is provided with the first connection of the first shut-off valve 210
Pipe, the second connecting tube for being provided with the second shut-off valve 205 being connected with oil storage tank inlet and 204 liquid outlet phase of oil heater
The third connecting tube for being provided with third shut-off valve 207 even is provided with the 4th shut-off valve with what 204 inlet of oil heater was connected
206 the 4th connecting tube and be surrounded on curing range the periphery of cylinder 404 coiled pipe 411, the inlet point of coiled pipe 411
Be not connected to the first connecting tube with third connecting tube, the liquid outlet of coiled pipe 411 respectively with the second connecting tube and the 4th connecting tube
The 5th shut-off valve 208 is arranged in the inlet of connection, coiled pipe 411, and the liquid outlet of coiled pipe is provided with the 6th shut-off valve 209.
The utility model is arranged temperature control system 3 and carries out real-time monitoring to the temperature in whole system at any time, is to obtain
The temperature data of different location in uniting, temperature control system 3 include the first temperature detector 301 and second temperature detector 302, this reality
Applying the first temperature detector 301 and second temperature detector 302 in example is probe-type thermometer, passes through having in cylinder 404
The thermocouple interface of threaded hole be inserted into respectively its it is internal and its in 211 interlayer of lagging casing, for detect 404 inside of cylinder with
The temperature change of interlayer realizes accurate temperature control.
The baking system 4 include positioned at cylinder upper end variable-frequency motor 401, be used to support variable-frequency motor rack 405,
The motor center axis 406 being connected to the motor, the agitating device being connected by shaft coupling 407 with motor center axis 406, cylinder 404,
The discharge port 409 that is opened on cylinder lower end, the pyrolysis positioned at the carrier gas inlet of 404 lower end of cylinder and positioned at 404 upper end of cylinder
Gas outlet, the mesh structural porous board group part 408 positioned at inner barrel lower end, 404 upper end of cylinder are ellipse head, are set on ellipse head
The ball valve for having biomass feed opening, being provided with feeding chamber 402, be arranged between feeding chamber 402 and feed opening at feed opening
403, pyrolysis gas outlet 412, thermocouple interface and upper lower flange, cylinder lower end are provided with curing range support device；
Stirring blade length can be adjusted flexibly according to the difference of biomass material type, the agitating device in the present embodiment
It is made of agitating shaft and 3 lamellar stirring blades.
Mesh structural porous board group part 408 is composed of the steel wire of porous plate and different meshes, and is set to inner barrel
Bottom, play the role of supporting biomass material and uniformly distributed carrier gas.
Tail gas collection system 5 is used for the collection and purification of pyrolysis gas, including biological oil interceptor 501, gas collector
505 and emptier 506, bio oil collection device 501 be the progress that is immersed in condensed water it is short go out wide-mouth bottle, bottom leaching
Not in ice water tank 507, input end is connected by screwing valve 502 with baking system 4, and gas collector 505 is to be connected to device
The air collector of end, outlet end connect gas collector 505 and emptier by screwing valve 503 and screwing valve 504 respectively
506, the tar and gaseous product generated for collecting experiment.
The working method of the biomass baking system of the utility model are as follows:
1) according to system operation requirements, assemble and connect each subsystem, the relevant air tightness test of finishing device.
2) globe valve for closing biomass feed opening excludes the intracorporal air of cylinder using biggish carrier gas flux in advance；It is logical
After about 20 min of gas, suspended body flowmeter flow is adjusted to 2-10 L/min.
3) by the biomass material after preprocessed (shearing, air-dried etc.) through biomass feeding chamber 402 and ball valve 403
Into cylinder 404, carrier gas enters 404 bottom of cylinder by pipeline, and enters cylinder after mesh structural porous plate 408 is uniformly distributed.And root
Mixing speed (generally 15-120rpm) is adjusted according to biomass type, biomass feeding chamber imported valve is closed after charging,
Frequency modulation motor 401 is opened, globe valve 403 is closed, the gradually oxygen in drain tank in carrier gas stowing operation.
4) using the oxygen content in flue gas analyzer detection pyrolysis gas outlet pipeline, when the oxygen content in gas meets
Baking test requirement when less than 0.5%, is opened electric heater and is heated to organic heat carrier, setting heating rate (20-50 DEG C/
Min), stoving temperature (200-300 DEG C) and soaking time (10-240 min), and after closing all shut-off valves, pass through pouring orifice
The second shut-off valve 205, the 4th shut-off valve 206, third shut-off valve 207, the 5th shut-off valve are opened in 211 oilings into oil storage tank 201
208, the first shut-off valve 210, and 212 registration of liquid level meter is observed, when liquid level meter is constant, then prove that conduction oil has been covered with dress dress
It sets.Shut-off valve 209 is opened simultaneously, after closing the second shut-off valve 205 and the first shut-off valve 210, then opens oil pump 203 and oil heating
Device 204, organic carrier realize circulation heating.At this point, biomass material is under agitating device 4, carrier gas and the collective effect of heating
It is uniformly baked, steam, tar and the on-condensible gas generated in baking process is entered under carrier gas carrying by pyrolysis gas outlet
Tail gas collection system 5 obtains liquid after cooling respectively and gaseous state bakes product；Organic heat carrier is passed in and out in baking process
The temperature of mouth, coiled pipe and inner barrel etc. carries out real-time monitoring, and passes through oil heater power and organic heat carrier stream
The accurate control to heating rate and cylinder body temperature is realized in the automatic adjustment of amount.
5) after baking, oil heater 204 is closed, opens the second shut-off valve 205, the first shut-off valve 210 and cooler
213, oil pump is closed after organic heat carrier natural cooling, under conditions of continuously stirring and being continually fed into carrier gas, by charcoal
It is cooled to room temperature, is finally placed in by the taking-up of charcoal discharge port 409 spare in sealing container.
This system has the advantages such as structure is simple, adaptability to raw materials is wide, temperature control is accurate, carbonization product quality is stablized.
Claims (10)
1. a kind of biomass baking system of organic heat carrier heating, which is characterized in that mentioned including baking system, for baking system
The carrier gas supply system of supplied gas, the organic heat carrier heating system for heating curing range, for controlling baking system temperature
The temperature control system of degree and the tail gas collection system being connected with baking system；
The baking system includes cylinder, the discharge port for being opened on cylinder lower end, the carrier gas inlet positioned at cylinder lower end and position
Pyrolysis gas outlet in cylinder upper end；
The organic heat carrier heating system includes oil storage tank, oil heater, is provided with what the oil storage tank liquid outlet was connected
First connecting tube of the first shut-off valve, the second connecting tube for being provided with the second shut-off valve being connected with the oil storage tank inlet,
The third connecting tube for being provided with third shut-off valve being connected with the oil heater liquid outlet and the oil heater inlet phase
The 4th connecting tube for being provided with the 4th shut-off valve even and the coiled pipe for being surrounded on the cylinder periphery；The coiled pipe into
Liquid mouth is connected to first connecting tube with third connecting tube respectively；The liquid outlet of the coiled pipe is connect with described second respectively
Pipe is connected to the 4th connecting tube；
The air inlet of the carrier gas supply system is connected to by the carrier gas inlet with the cylinder；The tail gas collection system
Air inlet is connected to the gas outlet of the baking system.
2. the biomass baking system of organic heat carrier heating according to claim 1, which is characterized in that the coiled pipe
Inlet the 5th shut-off valve is set, the liquid outlet of the coiled pipe is provided with the 6th shut-off valve.
3. the biomass baking system of organic heat carrier heating according to claim 1, which is characterized in that outside the cylinder
Wall is enclosed with lagging casing, and the coiled pipe is between the lagging casing and cylinder.
4. the biomass baking system of organic heat carrier heating according to claim 3, which is characterized in that the temperature control system
System includes the first temperature detector and second temperature detector；First temperature detector is set to the inner barrel；Institute
Second temperature detector is stated to be set between the lagging casing and the cylinder.
5. the biomass baking system of organic heat carrier heating according to claim 1, which is characterized in that the oil heating
The inlet of device is in series with oil pump and oil filter by the 4th connecting tube.
6. the biomass baking system of organic heat carrier heating according to claim 1, which is characterized in that the oil storage tank
Periphery is provided with cooler.
7. the biomass baking system of organic heat carrier heating according to claim 1, which is characterized in that exhaust collection system
System includes biological oil interceptor, gas collector and emptier.
8. the biomass baking system of organic heat carrier heating according to claim 1, which is characterized in that in the cylinder
Subordinate end is provided with netted more plate hole components for placing biomass.
9. the biomass baking system of organic heat carrier heating according to claim 1, which is characterized in that on the cylinder
End is provided with motor and is connected to the motor the agitating device positioned at inner barrel.
10. the biomass baking system of organic heat carrier heating according to claim 9, which is characterized in that the motor
It is connected by shaft coupling with the agitating device.
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| CN112391214A (en) * | 2019-08-13 | 2021-02-23 | 上海腾崛化工科技有限公司 | Gasoline cleaning synergist composition and preparation method thereof |
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