CN109486502A - A kind of two-stage type biomass continuous pyrolysis devices and methods therefor - Google Patents
A kind of two-stage type biomass continuous pyrolysis devices and methods therefor Download PDFInfo
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- CN109486502A CN109486502A CN201811511250.6A CN201811511250A CN109486502A CN 109486502 A CN109486502 A CN 109486502A CN 201811511250 A CN201811511250 A CN 201811511250A CN 109486502 A CN109486502 A CN 109486502A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/02—Multi-step carbonising or coking processes
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Abstract
The invention belongs to biomass energy thermal transitions to utilize technical field, and in particular to a kind of two-stage type biomass continuous pyrolysis devices and methods therefor.The two-stage type biomass continuous pyrolysis device includes pyrolysis installation, the pyrolysis installation includes roller, inlet port and outlet port, the inner wall of rotary drum is uniformly laid with insulating layer, roller is divided into low-temperature zone and high temperature section, the first cylinder is arranged in the insulating layer of low-temperature zone, biomass channel is set in the insulating layer of high temperature section, biomass channel is the circular channel enclosed by several flue gas tubules, one end of flue gas tubule is fixed by fixed plate, the connection of the inner sidewall of fixed plate and insulating layer, fixed plate is equipped with the high-temperature flue gas import that high-temperature flue gas is passed through for flue gas tubule, one end of the first cylinder is protruded into biomass channel, the present invention is easy to use, energy conservation and environmental protection.
Description
Technical field
The invention belongs to biomass energy thermal transitions to utilize technical field, and in particular to a kind of two-stage type biomass continuous pyrolysis
Devices and methods therefor.
Background technique
With the high speed development of world economy, energy consumption is continuously increased, and traditional fossil energy is increasingly depleted, renewable energy
The exploitation in source is become the important research direction of countries in the world by attention both domestic and external.Biomass is unique reproducible because of it
Containing carbon resource and high-quality fuels and chemicals can be converted by heat chemistry or biochemistry means and receive extensive pass
Note.
The common charing method of biomass is low temperature pyrogenation charing and high temperature pyrolysis charing, and low temperature pyrogenation charing is also referred to as dried
Roasting refers to and carries out thermochemical treatment to biomass under conditions of low temperature, anoxic (or anaerobic) and the lower rate of heat addition, to obtain
Moisture content is low, calorific value and energy density are high, is readily transported, the high-quality fuel stored and processed；High temperature pyrolysis charing can be with
Charcoal, bio oil and biogas are converted by environmental-friendly, low-cost mode by biomass, however no matter using low
Warm pyrolysis charring or high temperature pyrolysis charing method, the prior art and equipment require the pre- place such as biomass to be dried, forms
Reason, technique is cumbersome, therefore the prior art needs further improve.
Summary of the invention
The purpose of the present invention is to provide the strong two-stage type biomass of a kind of easy to use, energy conservation and environmental protection, adaptability to raw material
Continuous pyrolysis devices and methods therefor.
Based on above-mentioned purpose, the present invention is adopted the following technical scheme that:
A kind of two-stage type biomass continuous pyrolysis device, including pyrolysis installation, the pyrolysis installation include roller, feed inlet and discharging
Mouthful, the inner wall of rotary drum is uniformly laid with insulating layer, and roller is divided into low-temperature zone and high temperature section, and the is arranged in the insulating layer of low-temperature zone
One cylinder sets biomass channel in the insulating layer of high temperature section, and biomass channel is that the circle enclosed by several flue gas tubules is led to
The one end in road, flue gas tubule is fixed by fixed plate, and the inner sidewall connection of fixed plate and insulating layer, fixed plate is equipped with small for flue gas
Pipe is passed through the high-temperature flue gas import of high-temperature flue gas, and one end of the first cylinder is protruded into biomass channel, the other end of the first cylinder
It is connected to feed inlet, biomass channel is connected to discharge port, and roller both ends pass through seal of rotary kiln plate and feed inlet and discharging respectively
Mouth connection, roller middle part are also arranged gear ring, and gear ring has gear used in conjunction with, and the shaft of gear connects motor；
Further, the feed inlet is connected to first pipe, sets feeding packing auger in first pipe, be also connected in first pipe into
Funnel, the first cylinder are connected to dust-extraction unit by second pipe, and discharge port is connected to third pipeline, and third pipeline passes through the 4th pipe
Road is connected to biomass carbon storage device, and the 4th pipeline is equipped with condenser, and third pipeline is connected to gas hot-air by the 5th pipeline
Furnace, third pipeline are also arranged the 6th pipeline outside, and the 6th pipeline one end is connected to the high-temperature flue gas import of flue gas tubule, the 6th pipeline
The other end is connected to fuel gas hot-blast stove by the 7th pipeline, and the 7th pipeline is connected to by the 8th pipeline with second pipe.
Further, the first thermocouple is equipped in described the first cylinder, the first thermocouple is adjacent with high temperature section, the 7th pipe
Road is equipped with the second thermocouple, and the second thermocouple is adjacent with high-temperature flue gas import.
Further, the second pipe be equipped with the first air-introduced machine, the 5th pipeline be equipped with the second air-introduced machine, the 7th
Pipeline is equipped with third air-introduced machine, and the suction air volume of the first air-introduced machine is greater than the suction air volume of the second air-introduced machine, the suction of third air-introduced machine
Air quantity is greater than the suction air volume of the first air-introduced machine, and radio temperature sensor, wireless temperature sensing are equipped in the biomass channel
Device is adjacent with the first cylinder.
Further, the roller two sides are arranged roller circle respectively, and roller circle has the carrying roller for cooperating it to use.
Further, shovelling plate is uniformly laid in described the first cylinder.
Further, the height on drum-inclined setting, feed inlet and ground is greater than the height of discharge port and ground.
A method of using the two-stage type biomass continuous pyrolysis device, which is characterized in that by following steps group
At:
(1) motor is opened, roller starts turning, biomass is put into loading hopper and enters the first cylinder by feeding packing auger
In, high-temperature flue gas is passed through in flue gas tubule by fuel gas hot-blast stove from the 7th pipeline；
(2) low-temperature zone: the high-temperature flue gas in flue gas tubule is passed through the first cylinder, and the first cylinder endogenous substance is dried by high-temperature flue gas
Dry, the biomass after drying enters biomass channel；
(3) high temperature section: flue gas tubule is heated by high-temperature flue gas, and the biomass after drying is contacted with flue gas tubule occurs pyrolytic reaction
And generate biomass carbon and biogas；
(4) high-temperature flue gas in low-temperature zone in the first cylinder is pumped into dust-extraction unit by the first air-introduced machine, and biomass is logical in high temperature section
Biogas in road is pumped into fuel gas hot-blast stove burning by the second air-introduced machine, and radio temperature sensor detects that temperature is greater than 160
DEG C when, reduce the second air-introduced machine suction air volume；
(5) the first thermocouple and the second thermocouple are opened, the first thermocouple and the second thermocouple detect in low-temperature zone and high temperature section
When flue-gas temperature is excessively high, the high-temperature flue-gas that fuel gas hot-blast stove is passed through flue gas tubule, the first thermocouple and the second thermoelectricity are reduced
When flue-gas temperature is too low in even detection low-temperature zone and high temperature section, increase the high-temperature flue gas temperature that fuel gas hot-blast stove is passed through flue gas tubule
Degree, while the mixed flue gas a part for entering second pipe is mixed by the 8th pipeline with the high-temperature flue gas in the 7th pipeline
In flue gas tubule.
The heat for the high-temperature flue gas that the present invention can make full use of fuel combustion to generate saves the energy.In low-temperature zone, from
The high-temperature flue gas come out in flue gas tubule, which enters in the first cylinder, directly to carry out caloic friendship with the biomass in the first cylinder
It changes, the moisture evaporation of the biomass in the first cylinder completes the drying of biomass in low-temperature zone into being discharged in second pipe,
The biomass being oven-dried enters in high temperature section, since high temperature section uses rotary array-pipe technology, comes out in fuel gas hot-blast stove
High-temperature flue gas is by flue gas tubule, and flue gas tubule is contacted with the biomass in high temperature section occurs pyrolytic reaction, in high temperature section
Biomass fermentation gives birth to pyrolytic reaction, realizes the coproduction of biogas, charcoal, and the biogas after high temperature section pyrolysis can enter combustion gas heat
The burner hearth of wind furnace is used as fuel, realizes recycling for the energy, and the invention low-temperature zone and high temperature section are rotatable portion
Point, each stage heat exchange can be made uniformly, using the form of indirect heat exchange, temperature is easily controllable, prevents from sending out because local temperature is excessively high
Raw combustion phenomena, also, in high temperature section biomass pyrolytic process, biomass do not contact directly with high-temperature flue gas, can make height
The heat of warm flue gas is fully utilized, and also uses dust-extraction unit, the high-temperature flue gas finally discharged can be made nontoxic, Er Qiegao
The pyrolysis temperature of temperature section is not too high, improves the quality for guaranteeing biomass carbon.
Detailed description of the invention
Fig. 1 the structural representation of present invention；
Fig. 2 is the partial enlarged view of A in Fig. 1；
Fig. 3 is the location diagram of the first thermocouple and the first cylinder；
Fig. 4 is the location diagram of the first cylinder and biomass channel in high temperature section；
Fig. 5 is the location diagram of the first cylinder and shovelling plate in low-temperature zone.
Specific embodiment
A kind of two-stage type biomass continuous pyrolysis device as shown in Figs. 1-5, including pyrolysis installation, the pyrolysis installation include
Roller 1, feed inlet 2 and discharge port 3,1 inner wall of roller are uniformly laid with insulating layer 4, and insulating layer 4 is by composite silicate thermal insulation
Coating is made, and roller 1 divides for low-temperature zone 101 and high temperature section 102, is arranged the first cylinder 5 in the insulating layer 4 of low-temperature zone 101,
Biomass channel 6 is set in the insulating layer 4 of high temperature section 102, biomass channel 6 is the circle enclosed by several flue gas tubules 601
The one end in channel, flue gas tubule 601 is fixed by fixed plate 602, and fixed plate 602 is connect with the inner sidewall of insulating layer 4, fixed plate
602 are equipped with the high-temperature flue gas import 6011 that high-temperature flue gas is passed through for flue gas tubule 601, and biology is protruded into one end of the first cylinder 5
In matter channel 6, the other end of the first cylinder 5 is connected to feed inlet 2, and biomass channel 6 is connected to discharge port 3,1 both ends of roller difference
It is connect by seal of rotary kiln plate with feed inlet 2 and discharge port 3,1 middle part of roller is also arranged gear ring 7, and gear ring 7 has matches with it
The gear used is closed, the shaft of gear connects motor 8；
The feed inlet 2 is connected to first pipe 9, and feeding packing auger 10, also connection charging in first pipe 9 are set in first pipe 9
Funnel 11, the first cylinder 5 are connected to dust-extraction unit 13 by second pipe 12, and the dust-extraction unit 13 is deduster, discharge port 3
It is connected to third pipeline 14, third pipeline 14 is connected to biomass carbon storage device 16 by the 4th pipeline 15, sets on the 4th pipeline 15
There is condenser 17, third pipeline 14 is connected to fuel gas hot-blast stove 19 by the 5th pipeline 18, and the 6th pipe is also arranged outside third pipeline 14
Road 20,20 one end of the 6th pipeline are connected to the high-temperature flue gas import 6011 of flue gas tubule 601, and the other end of the 6th pipeline 20 passes through the
Seven pipelines 21 are connected to fuel gas hot-blast stove 19, and the 7th pipeline 21 is connected to by the 8th pipeline 22 with second pipe 12, and described first
The first thermocouple 23 is equipped in cylinder 5, the first thermocouple 23 is adjacent with high temperature section 102, and the 7th pipeline 21 is equipped with the second thermoelectricity
Even 24, the second thermocouple 24 is adjacent with high-temperature flue gas import 6011, and the second pipe 12 is equipped with the first air-introduced machine 25, the
Five pipelines 18 are equipped with the second air-introduced machine 26, and the 7th pipeline 21 is equipped with third air-introduced machine 27, the suction air volume of the first air-introduced machine 25
Greater than the suction air volume of the second air-introduced machine 26, the suction air volume of third air-introduced machine 27 is greater than the suction air volume of the first air-introduced machine 25, described
Radio temperature sensor 28 is equipped in biomass channel 6, radio temperature sensor 28 is adjacent with 5 side of the first cylinder, described
1 two sides of roller are arranged roller circle 29 respectively, and roller circle 29 has its carrying roller 30 for using of cooperation, in described the first cylinder 5 uniformly
It is laid with shovelling plate 31, the roller 1 is obliquely installed, and the height on feed inlet 2 and ground is greater than the height of discharge port 3 and ground.
Using the method for the two-stage type biomass continuous pyrolysis device, comprise the steps of:
(1) motor is opened, roller 1 starts turning, and biomass is put into loading hopper 11 and enters first by feeding packing auger 10
In cylinder, high-temperature flue gas is passed through in flue gas tubule 601 by fuel gas hot-blast stove 19 from the 7th pipeline 21；
(2) low-temperature zone 101: the high-temperature flue gas in flue gas tubule 601 is passed through the first cylinder 5, and 5 endogenous substance of the first cylinder is by high temperature
Flue gas drying, the biomass after drying enter biomass channel 6；
(3) high temperature section 102: flue gas tubule 601 is heated by high-temperature flue gas, and the biomass after drying contacts hair with flue gas tubule 601
Raw pyrolytic reaction simultaneously generates biomass carbon and biogas；；
(4) high-temperature flue gas in low-temperature zone 101 in the first cylinder 5 is pumped into dust-extraction unit 13, high temperature section 102 by the first air-introduced machine 25
Biogas in middle biomass channel 6 is pumped into fuel gas hot-blast stove 19 by the second air-introduced machine 26 and burns, radio temperature sensor 28
When detecting that temperature is greater than 160 DEG C, reduce 26 suction air volume of the second air-introduced machine；
(5) the first thermocouple 23 and the second thermocouple 24 are opened, the first thermocouple 23 and the second thermocouple 24 detect low-temperature zone 101
With when flue-gas temperature is excessively high in high temperature section 102, reduction fuel gas hot-blast stove 19 is passed through the high-temperature flue-gas of flue gas tubule 601, the
When flue-gas temperature is too low in one thermocouple 23 and the second thermocouple 24 detection low-temperature zone 101 and high temperature section 102, increase gas hot-air
Furnace 19 is passed through the high-temperature flue-gas of flue gas tubule 601, while the mixed flue gas a part for entering second pipe 12 passes through the 8th
High-temperature flue gas in pipeline 22 and the 7th pipeline 21 is mixed into flue gas tubule 601.
Claims (7)
1. a kind of two-stage type biomass continuous pyrolysis device, which is characterized in that including pyrolysis installation, which includes rolling
Cylinder, inlet port and outlet port, the inner wall of rotary drum are uniformly laid with insulating layer, and roller is divided into low-temperature zone and high temperature section, low-temperature zone
Insulating layer in be arranged the first cylinder, biomass channel is set in the insulating layer of high temperature section, biomass channel is small by several flue gases
One end of the circular channel that pipe encloses, flue gas tubule is fixed by fixed plate, the inner sidewall connection of fixed plate and insulating layer, fixed
Plate is equipped with the high-temperature flue gas import that high-temperature flue gas is passed through for flue gas tubule, and one end of the first cylinder is protruded into biomass channel,
The other end of the first cylinder is connected to feed inlet, and biomass channel is connected to discharge port, and roller both ends pass through seal of rotary kiln respectively
Plate is connect with inlet port and outlet port, is also arranged gear ring in the middle part of roller, gear ring has gear used in conjunction with, gear
Shaft connects motor；
The feed inlet is connected to first pipe, sets feeding packing auger in first pipe, loading hopper is also connected in first pipe, the
One cylinder is connected to dust-extraction unit by second pipe, and discharge port is connected to third pipeline, and third pipeline passes through the connection life of the 4th pipeline
Substance charcoal storage device, the 4th pipeline are equipped with condenser, and third pipeline is connected to fuel gas hot-blast stove, third pipe by the 5th pipeline
The 6th pipeline is also arranged outside road, the 6th pipeline one end is connected to the high-temperature flue gas import of flue gas tubule, and the other end of the 6th pipeline is logical
The 7th pipeline connection fuel gas hot-blast stove is crossed, the 7th pipeline is connected to by the 8th pipeline with second pipe.
2. two-stage type biomass continuous pyrolysis device according to claim 1, which is characterized in that in described the first cylinder
Equipped with the first thermocouple, the first thermocouple is adjacent with high temperature section, and the 7th pipeline is equipped with the second thermocouple, the second thermocouple and height
Warm gas inlet is adjacent.
3. two-stage type biomass continuous pyrolysis device according to claim 2, which is characterized in that on the second pipe
Equipped with the first air-introduced machine, the 5th pipeline is equipped with the second air-introduced machine, and the 7th pipeline is equipped with third air-introduced machine, the first air-introduced machine
Suction air volume is greater than the suction air volume of the second air-introduced machine, and the suction air volume of third air-introduced machine is greater than the suction air volume of the first air-introduced machine, described
Radio temperature sensor is equipped in biomass channel, radio temperature sensor is adjacent with the first cylinder.
4. two-stage type biomass continuous pyrolysis device according to claim 3, which is characterized in that the roller two sides point
It is not arranged roller circle, roller circle has the carrying roller for cooperating it to use.
5. two-stage type biomass continuous pyrolysis device according to claim 4, which is characterized in that in described the first cylinder
Uniformly it is laid with shovelling plate.
6. two-stage type biomass continuous pyrolysis device according to claim 5, which is characterized in that the drum-inclined is set
It sets, the height on feed inlet and ground is greater than the height of discharge port and ground.
7. a kind of method using any two-stage type biomass continuous pyrolysis device of claim 1-6, which is characterized in that
It comprises the steps of:
(1) motor is opened, roller starts turning, biomass is put into loading hopper and enters the first cylinder by feeding packing auger
In, high-temperature flue gas is passed through in flue gas tubule by fuel gas hot-blast stove from the 7th pipeline；
(2) low-temperature zone: the high-temperature flue gas in flue gas tubule is passed through the first cylinder, and the first cylinder endogenous substance is dried by high-temperature flue gas
Dry, the biomass after drying enters biomass channel；
(3) high temperature section: flue gas tubule is heated by high-temperature flue gas, and the biomass after drying is contacted with flue gas tubule occurs pyrolytic reaction
And generate biomass carbon and biogas；；
(4) high-temperature flue gas in low-temperature zone in the first cylinder is pumped into dust-extraction unit by the first air-introduced machine, and biomass is logical in high temperature section
Biogas in road is pumped into fuel gas hot-blast stove burning by the second air-introduced machine, and radio temperature sensor detects that temperature is greater than 160
DEG C when, reduce the second air-introduced machine suction air volume；
(5) the first thermocouple and the second thermocouple are opened, the first thermocouple and the second thermocouple detect in low-temperature zone and high temperature section
When flue-gas temperature is excessively high, the high-temperature flue-gas that fuel gas hot-blast stove is passed through flue gas tubule, the first thermocouple and the second thermoelectricity are reduced
When flue-gas temperature is too low in even detection low-temperature zone and high temperature section, increase the high-temperature flue gas temperature that fuel gas hot-blast stove is passed through flue gas tubule
Degree, while the mixed flue gas a part for entering second pipe is mixed by the 8th pipeline with the high-temperature flue gas in the 7th pipeline
In flue gas tubule.
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| CN201811511250.6A CN109486502A (en) | 2018-12-11 | 2018-12-11 | A kind of two-stage type biomass continuous pyrolysis devices and methods therefor |
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| CN201811511250.6A CN109486502A (en) | 2018-12-11 | 2018-12-11 | A kind of two-stage type biomass continuous pyrolysis devices and methods therefor |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102010730A (en) * | 2010-12-19 | 2011-04-13 | 昆明理工大学 | Biomass spiral pyrolytic process and antipyretic device |
| CN104927889A (en) * | 2015-06-03 | 2015-09-23 | 陕西煤业化工集团神木天元化工有限公司 | Integrated complete system and process for coal pyrolysis and upgrading |
| CN205382125U (en) * | 2016-01-14 | 2016-07-13 | 王崇峰 | Dry distillation system is divided to well low temperature coal temperature |
| CN107022364A (en) * | 2017-05-10 | 2017-08-08 | 河南省科学院能源研究所有限公司 | Biomass pyrogenation gasification power generating simultaneously activated carbon process and key equipment |
| CN107189795A (en) * | 2017-07-26 | 2017-09-22 | 刘胜军 | Two-part multistage sludge carbonization treatment system |
-
2018
- 2018-12-11 CN CN201811511250.6A patent/CN109486502A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102010730A (en) * | 2010-12-19 | 2011-04-13 | 昆明理工大学 | Biomass spiral pyrolytic process and antipyretic device |
| CN104927889A (en) * | 2015-06-03 | 2015-09-23 | 陕西煤业化工集团神木天元化工有限公司 | Integrated complete system and process for coal pyrolysis and upgrading |
| CN205382125U (en) * | 2016-01-14 | 2016-07-13 | 王崇峰 | Dry distillation system is divided to well low temperature coal temperature |
| CN107022364A (en) * | 2017-05-10 | 2017-08-08 | 河南省科学院能源研究所有限公司 | Biomass pyrogenation gasification power generating simultaneously activated carbon process and key equipment |
| CN107189795A (en) * | 2017-07-26 | 2017-09-22 | 刘胜军 | Two-part multistage sludge carbonization treatment system |
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Application publication date: 20190319 |