CN208362255U - A kind of biomass continuous pyrolysis control device - Google Patents
A kind of biomass continuous pyrolysis control device Download PDFInfo
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- CN208362255U CN208362255U CN201820960568.1U CN201820960568U CN208362255U CN 208362255 U CN208362255 U CN 208362255U CN 201820960568 U CN201820960568 U CN 201820960568U CN 208362255 U CN208362255 U CN 208362255U
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- pyrolysis
- heat exchanger
- tubular heat
- rotary furnace
- control device
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- 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
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Abstract
The utility model discloses a kind of biomass continuous pyrolysis control devices, belong to biomass pyrolytic field, and to solve the problems, such as existing apparatus processing biomass castoff, that there are treating capacities is not high.Including feeding hopper, pyrolysis rotary furnace, heat exchanger, feeding hopper connects pyrolysis rotary furnace, it further includes thermostatically-controlled equipment, pyrolysis gas purification automatic control device, pyrolysis rotary furnace is connected with warm feed bin 4 and cyclone dust collectors, insulation material position in storehouse is in the lower section of pyrolysis rotary furnace, it includes the first temperature sensor and tubular heat exchanger temperature and pressure transmitter that pyrolysis gas, which purifies automatic control device, is equipped with tubular heat exchanger temperature and pressure transmitter in the front and back end of first order tubular heat exchanger and the front and back end of second level tubular heat exchanger.The utility model utilizes biomass castoff resource on a large scale, and forms complete production line, realizes that engineering cleans coproduction using with charcoal gas and oil, charcoal gasoline product can be fully used.
Description
Technical field
The utility model belongs to biomass pyrolytic field, and in particular to a kind of biomass continuous pyrolysis control device.
Background technique
The wide area of China's farming and forestry distribution is big, while developing industry, also produces a large amount of agriculture and forestry organic waste material
Resource, largely discarded stalk is burned in field, and biomass utilization fails comprehensive industrialization, causes a large amount of biomass
The energy is wasted, and causes serious pollution to environment.Biomass thermal chemical conversion technology refers to useization in a heated condition
Learn to do the technology that biomass is converted into high-quality fuel by section.In recent years, biomass pyrolytic charing technology is in biomass comprehensive benefit
Powerful technical advantage is shown with aspect.Charcoal has good microstructure and physicochemical property, can make multiple product,
Charcoal base manure, soil conditioner and slow-release fertilizer for producing etc. can effectively promote farmland soil fertility;Biological fuel gas has compared with high fever
Value can be used as alternative energy source, alleviate energy demand problem.
Currently, the research of biomass pyrolytic engineering process has become one of world's forward position focus research.How using on a large scale
Biomass energy, formed biomass circulating utilize industry, become the major issue of biomass economy.Biomass continuous pyrolysis connection
Produce engineering process, refer to biomass material heat temperature raising in anoxybiotic or low-oxygen environment cause intramolecule be decomposed to form charcoal and
Biological fuel gas realizes biomass economy engineering, belongs to one kind of biomass thermal chemical conversion technology.
Existing pyrolysis charring technique using thick combustion gas after Pintsch process, the high-temperature fuel gas of generation as extra power,
Realize biomass continuous pyrolysis, the disadvantage is that the thick fuel gases calorific value generated is not high also to be needed to be further processed, biomass processes amount is not high.
Utility model content
The purpose of the utility model is to provide a kind of biomass continuous pyrolysis control devices, to solve existing apparatus processing life
Physical obsolescence object has that treating capacity is not high.
Technical solutions of the utility model are as follows: a kind of biomass continuous pyrolysis control device, including feeding hopper, are pyrolyzed back
Converter, heat exchanger, feeding hopper connect pyrolysis rotary furnace, it further includes thermostatically-controlled equipment, pyrolysis gas purification automatic control dress
It sets, pyrolysis rotary furnace is connected with warm feed bin 4 and cyclone dust collectors, and insulation material position in storehouse is in the lower section of pyrolysis rotary furnace, the heat exchange
Device includes the first order tubular heat exchanger and second level tubular heat exchanger being sequentially connected, and cyclone dust collectors connection first order tubulation changes
Hot device;Equipped with level-sensing device under level-sensing device on hopper and hopper in feeding hopper;Thermostatically-controlled equipment includes being arranged in pyrolysis rotary
Rotary furnace temperature sensor is distributed in furnace, it includes that the first temperature sensor and tubulation exchange heat that pyrolysis gas, which purifies automatic control device,
Device temperature and pressure transmitter, the pipeline between pyrolysis rotary furnace and cyclone dust collectors is equipped with the first temperature sensor, first
The front and back end of grade tubular heat exchanger and the front and back end of second level tubular heat exchanger are equipped with tubular heat exchanger temperature pressure sensing
Device.
The rotary furnace temperature sensor is 18 as a further improvement of the utility model, laterally homogeneous point respectively
It is distributed in external heat cabin upper and lower level each 9.
As a further improvement of the utility model, under the first order tubular heat exchanger and second level tubular heat exchanger
Side is connected separately with wind cooling blower.
Set in the heat preservation feed bin on feed bin as a further improvement of the utility model, material position in respect of with bin blanking position
Meter.
The second level tubular heat exchanger connects vinegar liquid holding vessel, vinegar liquid storage as a further improvement of the utility model,
Tank connection electrical tar precipitator is deposited, electrical tar precipitator connects Lodz blower;Electrical tar precipitator is equipped with second temperature pressure sensor,
Lodz blower is equipped with gas composition sensors.
The utility model utilizes biomass castoff resource on a large scale, and forms complete production line, realizes that engineering utilizes
Coproduction is cleaned with charcoal gas and oil, charcoal gasoline product can be fully used.
The advantages of the utility model, is as follows:
(1) by feeding automatic feedback control, realize that biomass material from feed bin to feeding hopper automatic charging, reduces people
Work operation and manipulation strength, feed processing capacity reach 300-500kg/h.
(2) it is pyrolyzed furnace temperature feedback control, realizes that biomass material is maintained under target temperature in pyrolysis rotary furnace and carries out
Pyrolysis charring effectively improves charcoal gas coproduction product quality, improves the economy of production system.Fuel gases calorific value reaches 18MJ/m3,
Tar content reaches 2.4mg/m in combustion gas3, energy conversion efficiency reaches 74.6%, and 30% or so, pyrolysis oil produces charcoal yield
Rate 1-4%, wood vinegar yield 10-25%, wood vinegar clarify free from admixture.
(3) going out charcoal automatic feedback control, realize pyrolytic carbon after heat preservation curing, tar component removes substantially in charcoal,
Charcoal quality is effectively improved, realizes clean manufacturing.
(4) gas purification pressure feedback control, system by multistage purification separation, efficiently separate out lime-ash in pyrolysis gas,
Tar, wood vinegar component, these products can be used as industrial chemicals, achieve the purpose that clean manufacturing.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of biomass continuous pyrolysis control device;
Fig. 2 is that the quality versus for the product that the utility model is obtained with the prior art schemes.
Appended drawing reference meaning is as follows: material conveyer on 1.;2. feeding hopper;3. pyrolysis rotary furnace;4. keeping the temperature feed bin;5. rotation
Wind deduster;6. first order tubular heat exchanger;7. tar holding vessel;8. second level tubular heat exchanger;9. vinegar liquid holding vessel;10.
Electrical tar precipitator;11. Lodz blower;12. pyrolysis gas gas storage gas tank;13. level-sensing device on hopper;14. level-sensing device under hopper;17.
Tar bucket;19. level-sensing device on feed bin;20. bin blanking position is counted;Material conveyer control switch on 102.;104. turning round furnace temperature
Sensor;105. combustor;107. going out charcoal screw conveyor;108. tubular heat exchanger temperature and pressure transmitter;First temperature passes
Sensor 106;Second temperature pressure sensor 109;110. wind cooling blower;112. gas composition sensors.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
A kind of biomass continuous pyrolysis control device, including feeding hopper 2, pyrolysis rotary furnace 3, heat exchanger, feeding hopper 2
Pyrolysis rotary furnace 3 is connected, it further includes thermostatically-controlled equipment, pyrolysis gas purification automatic control device, and pyrolysis rotary furnace 3 is connected with
Warm feed bin 4 and cyclone dust collectors 5, heat preservation feed bin 4 are located at the lower section of pyrolysis rotary furnace 3, and heat exchanger includes first be sequentially connected
Grade tubular heat exchanger 6 and second level tubular heat exchanger 8, cyclone dust collectors 5 connect first order tubular heat exchanger;In feeding hopper 2
Equipped with level-sensing device 14 under level-sensing device 13 on hopper and hopper;Thermostatically-controlled equipment includes that setting is distributed in pyrolysis rotary furnace 3
Rotary furnace temperature sensor 104, it includes the first temperature sensor 106 and tubular heat exchanger temperature that pyrolysis gas, which purifies automatic control device,
Pressure sensor 108 is spent, the pipeline between pyrolysis rotary furnace 3 and cyclone dust collectors 5 is equipped with the first temperature sensor 106,
The front and back end of first order tubular heat exchanger 6 and the front and back end of second level tubular heat exchanger 8 are equipped with tubular heat exchanger temperature pressure
Force snesor 108.The lower section of first order tubular heat exchanger 6 and second level tubular heat exchanger 8 is connected separately with wind cooling blower 110.
Material position is set on feed bin in heat preservation feed bin 4 in respect of 19 and bin blanking position meter 20.Second level tubular heat exchanger 8 connects vinegar
Liquid holding vessel 9, vinegar liquid holding vessel 9 connect electrical tar precipitator 10, and electrical tar precipitator 10 connects Lodz blower 11;Electrical tar precipitator 10
It is equipped with second temperature pressure sensor 109, Lodz blower 11 is equipped with gas composition sensors 112.
Embodiment 1
Raw material uses fruit tree beta pruning, carries out feeding, feed throughput 350kg/h by Belt Conveying after crushing.
One, Flow of Goods and Materials process is as follows:
(a) automatic charging: upper material conveyer (1) is equipped with upper material conveyer control switch 102,
The raw material crushed is transported in feeding hopper 2 by upper material conveyer (1), hopper is equipped in feeding hopper 2
Level-sensing device 14 under upper level-sensing device 13 and hopper, the conveying of control material and stopping;Material position plane reaches level-sensing device on hopper in feed bin
When 13, conveyor screw starting carries out out charcoal;When material position plane reaches level-sensing device 14 under hopper in feed bin, conveyor screw stops, and stops
Only go out charcoal;
(b) continuous pyrolysis carbonizes: material passes through helical feed into pyrolysis rotary furnace 3 in feeding hopper 2, defeated by being driven
It send, 30min is stopped in furnace and carries out pyrolysis charring, by external heating mode, carry out continuous pyrolysis charing, generate pyrolysis gas and life
Object charcoal;
(c) keep the temperature out charcoal: the pyrolytic carbon of pyrolysis is fallen into the heat preservation feed bin 4 of 3 lower section of pyrolysis rotary furnace, keep the temperature ripe
Change, the pyrolysis gas of generation enters gas cleaning plant;Pyrolytic carbon is further carbonized, and tar component in pyrolytic carbon is made to volatilize,
Pyrolytic carbon quality is promoted, realizes clean manufacturing.
(d) pyrolysis gas purify: pyrolysis gas from pyrolysis rotary furnace 3 come out after, sequentially enter cyclone dust collectors 5, the first order column
Heat exchange of heat pipe 6, second level tubular heat exchanger 8, electrical tar precipitator 10 are finally pumped into pyrolysis gas gas storage gas tank 12 by Lodz blower 11
In.Tar holding vessel 7 is equipped between first order tubular heat exchanger 6 and second level tubular heat exchanger 8.
(e) pyrolysis gas and tar store and reuse is burnt: being passed through pyrolysis gas gas storage gas tank 12 by purified pyrolysis gas
Middle storage, part carry out reuse burning, energize to pyrolysis rotary furnace 3.The tar isolated is isolated wherein by standing
Moisture, it is pyrolysis rotary furnace 3 that tar is burnt after oil storage barrel is full using heavy oil burner by concentrating storage to tar bucket 17
Energy supply.
Two, automatic control process is as follows:
TP indicates temperature and pressure transmitter in Fig. 1.Following rotary furnace temperature sensors 104 and temperature and pressure transmitter difference
Connect master control cabinet.By feeding process, pyrolysis furnace temperature, charcoal process and gas purification pressure are automatically fed to master control cabinet and carry out out
Control.
(1) continuous pyrolysis thermostatic control: 18 rotary furnace temperature sensors 104 are distributed in pyrolysis rotary furnace 3, divide respectively
It is distributed in external heat cabin or more, 9, upper layer, lower layer 9 monitors temperature in rotary furnace burner hearth in real time, controls pyrolysis temperature in furnace and exists
450-650℃;By setting control point temperature target, reaches target temperature afterburner in in-furnace temperature and stop igniting, into
Row heat preservation;Temperature declines 20 DEG C of afterburners and lights a fire again heating.In pyrolysis rotary furnace initial start stage, depending on pyrolysis gas gas storage gas tank
12 remaining tolerance carry out initial stage igniting heating using gasoline when insufficient, are switched to fuel gas buring after system continuous operation is stablized
Device is pyrolysis rotary stove heating using pyrolysis gas.
(2) it keeps the temperature out charcoal control: setting level-sensing device 19 and bin blanking position meter 20, two controls on feed bin in heat preservation feed bin 4
Point, when material position plane reaches level-sensing device 19 on feed bin in feed bin, charcoal screw conveyor 107 starts out, carries out out charcoal;In feed bin
When material position plane reaches bin blanking position meter 20, charcoal screw conveyor 107 stops out, stops charcoal out.
(3) pyrolysis gas purification automatically controls: in the front end of cyclone dust collectors 5, the front and back end of first order tubular heat exchanger 6,
The front and back end of second level tubular heat exchanger 8, the front end of Lodz blower 11 carries out temperature and pressure controls, and pyrolysis gas first passes through whirlwind
Deduster carries out high-temperature dust removal, then passes to two-stage tubular heat exchanger, cools to 100 DEG C and 70 after two heat exchangers respectively
DEG C, it respectively is isolated by tar and wood vinegar, the pyrolysis gas after isolation of purified is passed through electrical tar precipitator and further separates gas
Middle tar component;Temperature control point temperature control in two-stage tubular heat exchanger front and back end feeds back to wind cooling blower 110, wind cooling blower peace
Below tubular heat exchanger, wind cooling blower uses frequency conversion fan.Pyrolysis gas from the tubulation inside tubular heat exchanger on to
Lower flowing, wind cooling blower 110 are flowed out on the outside of tubulation by sucking air, so that pyrolysis gas is cooled down in heat exchanging part, pass through
Adjustment fan delivery makes to be pyrolyzed temperature to target temperature in real time.5 front-end control point pressure of cyclone dust collectors is maintained at micro-positive pressure, needle
Throughput variation is produced to different moments, blower 11 Real-time frequency conversion in Lodz adjusts air quantity, keeps the pyrolysis gas outlet of pyrolysis rotary furnace 3
It is constant to locate pressure.Gas composition sensors 112, when combustible gas components reach 70%, Lodz blower are equipped at Lodz blower 11
11 by pyrolysis gas input pyrolysis gas gas storage gas tank 12, pyrolysis gas carries out reuse to the energy supply of pyrolysis rotary furnace and life respectively after purification
Energy supply living.
Fig. 2 shows the quality versus's figures for the product that the utility model and the prior art obtain, the result is that the utility model
The purified gas tar oil content of pyrolysis gas is low, and the calorific value of combustion gas is high, and energy conversion efficiency is high.
Claims (5)
1. a kind of biomass continuous pyrolysis control device, including feeding hopper, pyrolysis rotary furnace, heat exchanger, the connection of feeding hopper
Pyrolysis rotary furnace, it is characterised in that: it further includes thermostatically-controlled equipment, pyrolysis gas purification automatic control device, pyrolysis rotary furnace
(3) heat preservation feed bin (4) and cyclone dust collectors (5) are connected with, heat preservation feed bin (4) is located at the lower section of pyrolysis rotary furnace (3), described to change
Hot device includes the first order tubular heat exchanger (6) and second level tubular heat exchanger (8) being sequentially connected, cyclone dust collectors (5) connection
First order tubular heat exchanger;Equipped with level-sensing device (14) under level-sensing device (13) on hopper and hopper in feeding hopper (2);Thermostatic control
Device includes that setting is distributed with rotary furnace temperature sensor (104) in pyrolysis rotary furnace (3), and pyrolysis gas purification automatically controls dress
It sets including the first temperature sensor (106) and tubular heat exchanger temperature and pressure transmitter (108), pyrolysis rotary furnace (3) and whirlwind
Pipeline between deduster (5) is equipped with the first temperature sensor (106), the front and back end of first order tubular heat exchanger (6) with
And the front and back end of second level tubular heat exchanger (8) is equipped with tubular heat exchanger temperature and pressure transmitter (108).
2. a kind of biomass continuous pyrolysis control device according to claim 1, it is characterised in that: the revolution furnace temperature
Sensor (104) is 18, laterally uniform 9 each in external heat cabin upper and lower level respectively.
3. a kind of biomass continuous pyrolysis control device according to claim 1 or 2, it is characterised in that: the first order
Wind cooling blower (110) are connected separately with below tubular heat exchanger (6) and second level tubular heat exchanger (8).
4. a kind of biomass continuous pyrolysis control device according to claim 3, it is characterised in that: the heat preservation feed bin
(4) material position is set on feed bin in respect of (19) and bin blanking position meter (20).
5. a kind of biomass continuous pyrolysis control device according to claim 4, it is characterised in that: the second level tubulation
Heat exchanger (8) connects vinegar liquid holding vessel (9), and vinegar liquid holding vessel (9) connects electrical tar precipitator (10), electrical tar precipitator (10) connection
Lodz blower (11);Electrical tar precipitator (10) is equipped with second temperature pressure sensor (109), and Lodz blower (11) is equipped with gas
Body component sensor (112).
Priority Applications (1)
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CN201820960568.1U CN208362255U (en) | 2018-06-21 | 2018-06-21 | A kind of biomass continuous pyrolysis control device |
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CN201820960568.1U CN208362255U (en) | 2018-06-21 | 2018-06-21 | A kind of biomass continuous pyrolysis control device |
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CN201820960568.1U Expired - Fee Related CN208362255U (en) | 2018-06-21 | 2018-06-21 | A kind of biomass continuous pyrolysis control device |
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Granted publication date: 20190111 Termination date: 20210621 |