CN110240919A - A kind of stalk progressive solution extracts wood vinegar device and production technology - Google Patents
A kind of stalk progressive solution extracts wood vinegar device and production technology Download PDFInfo
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- CN110240919A CN110240919A CN201910638712.9A CN201910638712A CN110240919A CN 110240919 A CN110240919 A CN 110240919A CN 201910638712 A CN201910638712 A CN 201910638712A CN 110240919 A CN110240919 A CN 110240919A
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- 239000000052 vinegar Substances 0.000 title claims abstract description 69
- 235000021419 vinegar Nutrition 0.000 title claims abstract description 69
- 239000002023 wood Substances 0.000 title claims abstract description 68
- 230000000750 progressive effect Effects 0.000 title claims abstract description 36
- 239000000284 extract Substances 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- 238000005516 engineering process Methods 0.000 title claims abstract description 13
- 239000003610 charcoal Substances 0.000 claims abstract description 79
- 238000001035 drying Methods 0.000 claims abstract description 72
- 238000000197 pyrolysis Methods 0.000 claims abstract description 55
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 238000003763 carbonization Methods 0.000 claims description 65
- 230000008676 import Effects 0.000 claims description 35
- 239000002994 raw material Substances 0.000 claims description 23
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 239000011276 wood tar Substances 0.000 claims description 12
- 238000002485 combustion reaction Methods 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000010902 straw Substances 0.000 abstract description 16
- 239000012075 bio-oil Substances 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 52
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- 239000000047 product Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 238000010000 carbonizing Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 239000002737 fuel gas Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 235000013162 Cocos nucifera Nutrition 0.000 description 2
- 244000060011 Cocos nucifera Species 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 244000144972 livestock Species 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 244000144977 poultry Species 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229920002488 Hemicellulose Polymers 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000002296 pyrolytic carbon Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
Classifications
-
- 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
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/02—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of cellulose-containing material
-
- 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
- C10B57/08—Non-mechanical pretreatment of the charge, e.g. desulfurization
- C10B57/10—Drying
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
- C10C5/00—Production of pyroligneous acid distillation of wood, dry distillation of organic waste
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Coke Industry (AREA)
Abstract
A kind of stalk progressive solution extracts wood vinegar device and production technology, including drying unit, low temperature pyrogenation unit, high temperature cabonization unit, charcoal cooling storage unit, thermal energy generates and allocation unit；The low temperature pyrogenation furnace volume for wherein including in low temperature pyrogenation unit, it is 1.5-3 times of the high temperature cabonization furnace volume that high temperature cabonization unit includes, so that stalk increased resident time in low temperature pyrogenation furnace, straw low temperature pyrolysis is more abundant, to produce more high quality wood vinegar products；It is provided with the different two-stage series connection pipe heat exchanger of operating temperature in low temperature pyrogenation unit simultaneously, is separated bio-oil with wood vinegar using temperature difference, to further improve wood vinegar quality.
Description
Technical field
The present invention relates to agricultural crop straw charring process fields, and in particular to a kind of stalk progressive solution extraction wood vinegar dress
It sets and production technology.
Background technique
Existing agricultural crop straw carbonizing apparatus mainly includes drying oven, retort, and agricultural crop straw adds in retort
For heat to certain temperature, crude fibre, cellulose, hemicellulose, lignin thermal decomposition in stalk generate wood vinegar, methanol, biology
The output objects such as matter oil, methane, ethylene, carbonic oxide, charcoal；Wherein methane, ethylene, carbonic oxide introduce combustor burning,
Heat source is provided for agricultural crop straw carbonizing apparatus；Wood vinegar, bio-oil, charcoal are the main production after agricultural crop straw charing
Product；To reach higher major product output capacity and production efficiency, retort optimum temperature is generally set in 450~600 DEG C,
At a temperature of this, while under the effect of the oxygen, impurity content height, the poor quality of wood vinegar, bio-oil；In addition, in this temperature
The charcoal type of lower output is single, therefore affects the overall economic efficiency of agricultural crop straw charing；
Application No. is the national inventing patent of CN201811142541.2, disclose a kind of feces of livestock and poultry classification charing system and
Retort is divided into low-temperature carbonization furnace and high temperature carbonization furnace by method, for carbon dioxide packing, vapor to be separated with fuel gas,
To improve the calorific value of fuel gas；The invention is high mainly for feces of livestock and poultry moisture content, carbonization process carbon dioxide packing content is high,
Combustion gas is mainly designed the characteristics of high temperature carbonization furnace generates, for the high dust, low moisture, carbonization process of agricultural crop straw
The characteristics of middle low-temperature carbonization furnace and high temperature carbonization furnace equal output fuel gas, it is clear that the charing of agricultural crop straw can not be suitable for；
The utility model patent of application number 2019207064695.5 discloses a kind of stalk classification carbonizing apparatus, by retort point
At low-temperature pyrolysis carbonizing furnace, high temperature pyrolysis retort, by the way that stalk is pyrolyzed carbonization, final production by low temperature, high temperature twice
The charcoal product of high quality out；The production technology of this device is to guarantee the continuity of production, low temperature, high temperature pyrolytic carbon twice
It is essentially identical to change the time, therefore there are low temperature pyrogenation carbonization time is shorter, the wood vinegar yield as byproduct is lower, while high
The wood vinegar impurity content that warm solution carbonization generates is high, finally affects the yield and quality of wood vinegar；And the practical tool of wood vinegar
It is widely used and market prospects, can be used for the fields such as agricultural, food processing, cosmetics, therefore improve straw-carbonized process
The yield and quality of middle wood vinegar has important economic value；In addition the pyrolysis gas that this device generates in process of production is through firing
The thermal energy that the burning of burning machine generates actually is far longer than thermal energy needed for device produces, therefore has a large amount of thermal energy direct emissions, no
The waste of the energy is only caused, while also increasing CO2 emission.
Summary of the invention
In order to overcome the shortcomings in the background art, the invention discloses a kind of stalk progressive solution extract wood vinegar device and
Production technology, including drying unit, low temperature pyrogenation unit, high temperature cabonization unit, charcoal cooling storage unit, thermal energy generate and
Allocation unit；The low temperature pyrogenation furnace volume for wherein including in low temperature pyrogenation unit, the high temperature cabonization for including for high temperature cabonization unit
1.5-3 times of furnace volume, so that stalk increased resident time in low temperature pyrogenation furnace, straw low temperature pyrolysis is more abundant, thus
Produce more high quality wood vinegar products；The different two-stage series connection pipe of operating temperature is provided in low temperature pyrogenation unit simultaneously
Formula heat exchanger is separated bio-oil with wood vinegar using temperature difference, to further improve wood vinegar quality.
In order to realize the goal of the invention, the present invention adopts the following technical scheme: a kind of stalk progressive solution extracts the wooden vinegar
Liquid device, including drying unit, low temperature pyrogenation unit, high temperature cabonization unit, charcoal cooling storage unit, thermal energy generate and divide
With unit；The drying unit, low temperature pyrogenation unit, high temperature cabonization unit are connected by pipeline with device for transporting objects；It is described
Low temperature pyrogenation unit, high temperature cabonization unit are generated with thermal energy and allocation unit is connect by pipeline；The high temperature cabonization unit with
Charcoal cooling storage unit passes through device for transporting objects and connects；The charcoal cooling storage unit and drying unit pass through pipe
Road connection；It is characterized in that: the drying unit includes drying oven；The low temperature pyrogenation unit includes low temperature pyrogenation furnace；The height
Warm carbonation unit includes high temperature carbonization furnace；The low temperature pyrogenation furnace volume is 1.5-3 times of high temperature carbonization furnace volume.
Further, the drying unit includes drying oven, deduster；The drying oven is to be obliquely installed, on drying oven
It is provided with stalk import, hot air inlet, cold air outlet, stalk outlet, stalk inlet height is greater than stalk outlet height；Stalk
Import is provided with device for transporting objects；Hot air inlet is dropped by pipeline and low temperature pyrogenation unit, high temperature cabonization unit, charcoal
Gentle storage unit connection；Cold air outlet connects deduster by pipeline；Stalk outlet is provided with device for transporting objects；Deduster is set
It sets and is connected with chimney.
Further, the low temperature pyrogenation unit includes that low temperature pyrogenation furnace, the first tubular heat exchanger, the second shell and tube change
Hot device, wood tar storage tank, wood vinegar storage tank；The low temperature pyrogenation furnace is provided with stalk import, low temperature gas exports, pyrolysis gas goes out
Mouth, the outlet of low temperature charcoal；Stalk import is connected by device for transporting objects and the outlet of drying oven stalk；The outlet of low temperature gas passes through pipeline
It is connect with deduster；Pyrolysis gas outlet is connect by pipeline with the first tubular heat exchanger；First tubular heat exchanger passes through pipe
Road is connect with the second tubular heat exchanger；The outlet of low temperature charcoal is provided with device for transporting objects；
First tubular heat exchanger is provided with pyrolysis gas entrance A, wood tar outlet, pyrolysis gas outlet A, inlet of cold air A
With hot air outlet A；Pyrolysis gas entrance A is connect by pipeline with the pyrolysis gas outlet of low temperature pyrogenation furnace；Wood tar outlet passes through
Pipeline is connect with wood tar storage tank；Pyrolysis gas outlet A is connect by pipeline with the second tubular heat exchanger；Inlet of cold air A is set
It sets and is connected with blower A；Hot air outlet A connects the hot air inlet of drying oven by pipeline；
Second tubular heat exchanger be provided with pyrolysis gas entrance B, wood vinegar outlet, pyrolysis gas outlet B, inlet of cold air B,
Hot air outlet B；Pyrolysis gas entrance B is connect by pipeline with pyrolysis gas outlet A；It is stored up by pipeline and wood vinegar wood vinegar outlet
Tank connection；Pyrolysis gas outlet B is generated by pipeline with thermal energy and allocation unit is connect；Inlet of cold air B setting is connected with blower
B；Hot air outlet B is connect by pipeline with chimney；
First tubular heat exchanger is provided with temperature measuring equipment A, and the second tubular heat exchanger is provided with temperature measuring equipment B；It is described
Blower A driving device is variable-frequency motor A, and variable-frequency motor A is electrically connected with frequency converter A；The blower B driving device is variable-frequency electric
Machine B, variable-frequency motor B are electrically connected with frequency converter B；Temperature measuring equipment A and frequency converter A are electrically connected；Temperature measuring equipment B and frequency converter B
It is electrically connected；The output frequency of the frequency converter A, the actual temperature measured by temperature measuring equipment A are set with the first tubular heat exchanger
The operating temperature difference set is controlled；The output frequency of the frequency converter B, the actual temperature and second measured by temperature measuring equipment B
The operating temperature difference of tubular heat exchanger setting is controlled.
Further, the high temperature cabonization unit includes high temperature carbonization furnace；The high temperature carbonization furnace be provided with charcoal into
Mouth, pyrolysis gas outlet and charcoal outlet；Charcoal import is exported by the low temperature charcoal of device for transporting objects and low temperature pyrogenation furnace
Connection；Pyrolysis gas outlet is generated by pipeline with thermal energy and allocation unit is connect；Charcoal outlet is provided with device for transporting objects.
Further, the charcoal cooling storage unit includes dividing wall type heat exchanger, charcoal storage tank；The partition
Formula heat exchanger is provided with charcoal import, charcoal outlet, inlet of cold air, hot air outlet；Charcoal import passes through material
The charcoal of conveying device and high temperature carbonization furnace outlet connection；Charcoal outlet passes through device for transporting objects and charcoal storage tank
Connection；Inlet of cold air setting is connected with blower；Hot air outlet connects the hot air inlet of drying oven by pipeline.
Further, the thermal energy generates and allocation unit includes combustor, and combustible gas import is provided on combustor, is divided
Flow control set for adjusting；Combustor is connect by pipeline with the pyrolysis gas outlet B of the second tubular heat exchanger；The shunt regulating
Control device is provided with high temperature hot gas outlet A, high temperature hot gas outlet B.
Further, the low temperature pyrogenation furnace, high temperature carbonization furnace are double-layer furnace body, and outer layer furnace body is fixed structure, internal layer
Furnace body is rotational structure, and high temperature hot gas entrance, low temperature heat outlet are provided on outer layer furnace body；Low temperature pyrogenation furnace, pyrocarbon
Changing is heating space between the outer layer furnace body and internal layer furnace body of furnace；The high temperature hot gas entrance of the low temperature pyrogenation furnace by pipeline with
The high temperature hot gas of shunt regulating control device exports A connection on combustion furnace；The high temperature hot gas entrance of the high temperature carbonization furnace passes through
Pipeline is connect with the high temperature hot gas outlet B of shunt regulating control device on combustion furnace；The low temperature pyrogenation furnace, high temperature carbonization furnace
Low temperature heat outlet is connected by the hot air inlet of pipeline and drying oven.
Further, the device for transporting objects of the drying oven stalk import is that net belt type elevator, screw conveyor are multiple
It attaches together and sets；The device for transporting objects of the low temperature pyrogenation furnace stalk import is net belt type elevator, screw conveyor set composite；
The device for transporting objects of charcoal import, the charcoal outlet of the high temperature carbonization furnace is pipeline furnace apparatus.
Further, the low temperature pyrogenation furnace, be provided with temperature measuring equipment in high temperature carbonization furnace, temperature measuring equipment by conducting wire with
The shunt regulating control device of combustion furnace connects.
The stalk progressive solution extracts the production technology of wood vinegar device, is described as follows:
S1: the stalk progressive solution extracts wood vinegar device as continuous feed production；Raw material uses continuous feed mode successively
It is transported to drying oven, low temperature pyrogenation furnace, high temperature carbonization furnace；
S2: drying oven technological parameter: Temperature Control of Drying Oven is at 100~120 DEG C；Raw material is 40~50 in the drying oven residence time
Minute；
S3: low temperature pyrogenation furnace technology parameter: low temperature pyrogenation furnace temperature is controlled at 200~250 DEG C, and raw material is in low temperature pyrogenation furnace
Residence time is 60~150 minutes；
S4: high temperature carbonization furnace technological parameter: high temperature carbonization furnace temperature is controlled at 600~900 DEG C, and raw material is in high temperature carbonization furnace
Residence time is 40~50 minutes；
S5: the first tubular heat exchanger technological parameter: the first tubular heat exchanger temperature is controlled at 110~130 DEG C；
S6: the second tubular heat exchanger technological parameter: the first tubular heat exchanger temperature is controlled at 85~110 DEG C.
Due to the adoption of the technical scheme as described above, the invention has the following beneficial effects: a kind of straw disclosed by the invention
Stalk progressive solution extracts wood vinegar device and production technology, including drying unit, low temperature pyrogenation unit, high temperature cabonization unit, life
Object charcoal cooling storage unit, thermal energy generates and allocation unit；The low temperature pyrogenation furnace volume for wherein including in low temperature pyrogenation unit is
1.5-3 times of the high temperature cabonization furnace volume that high temperature cabonization unit includes, so that stalk increased resident time in low temperature pyrogenation furnace,
Keep straw low temperature pyrolysis more abundant, to produce more good wood vinegar products；It is arranged simultaneously in low temperature pyrogenation unit
The different two-stage series connection pipe heat exchanger of operating temperature, using temperature difference is separated bio-oil with wood vinegar, thus
Further improve wood vinegar purity；Stalk progressive solution of the invention extracts wood vinegar device because straw low temperature pyrolysis is more filled
Point, thus high temperature cabonization unit can the ash content of the better charcoal product to final output control, improve indirectly
The quality of charcoal product；Stalk progressive solution of the invention simultaneously extracts the pyrolysis that wood vinegar device generates in process of production
Destiny amount reduces, and thermal energy needed for the thermal energy that pyrolysis gas is generated through combustor burning is produced with device is in a basic balance, reduces thermal energy
Waste, while decreasing the discharge of carbon dioxide；In addition stalk progressive solution of the invention extracts wood vinegar device, will be traditional
Straw-carbonized output become the mode using wood vinegar as major product by the mode of major product of charcoal, can produce simultaneously
The wood vinegar of high quality and charcoal product out, therefore greatly improve straw-carbonized economic value.
Detailed description of the invention
Fig. 1 is that stalk progressive solution extracts wood vinegar device connection schematic diagram.
In figure: 1, drying unit；2, low temperature pyrogenation unit；3, high temperature cabonization unit；4, charcoal cooling storage unit；5,
Thermal energy generates and allocation unit.
Specific embodiment
By the following examples can the detailed explanation present invention, the open purpose of the present invention is intended to protect model of the present invention
Enclose all interior technological improvements.
A kind of stalk progressive solution extraction wood vinegar device, including drying unit 1, low temperature pyrogenation unit 2, high temperature cabonization list
Member 3, charcoal cooling storage unit 4, thermal energy generates and allocation unit 5；The drying unit 1, low temperature pyrogenation unit 2, high temperature
Carbonation unit 3 is connected by pipeline with device for transporting objects；The low temperature pyrogenation unit 2, high temperature cabonization unit 3 and thermal energy generate
And allocation unit 5 is connected by pipeline；The high temperature cabonization unit 3 is conveyed by material with charcoal cooling storage unit 4 and is filled
Set connection；The charcoal cooling storage unit 4 is connect with drying unit 1 by pipeline；It is characterized in that: the drying unit 1
Including drying oven；The low temperature pyrogenation unit 2 includes low temperature pyrogenation furnace；The high temperature cabonization unit 3 includes high temperature carbonization furnace；Institute
State 1.5-3 times that low temperature pyrogenation furnace volume is high temperature carbonization furnace volume；
The drying unit 1 includes drying oven, deduster；The drying oven be obliquely installed, be provided on drying oven stalk into
Mouth, hot air inlet, cold air outlet, stalk outlet, stalk inlet height are greater than stalk outlet height；Stalk import is provided with object
Material conveying device；Hot air inlet passes through pipeline and low temperature pyrogenation unit 2, high temperature cabonization unit 3, charcoal cooling storage unit
4 connections；Cold air outlet connects deduster by pipeline；Stalk outlet is provided with device for transporting objects；Deduster setting is connected with
Chimney；
The low temperature pyrogenation unit 2 includes low temperature pyrogenation furnace, the first tubular heat exchanger, the second tubular heat exchanger, wood tar
Storage tank, wood vinegar storage tank；The low temperature pyrogenation furnace is provided with stalk import, the outlet of low temperature gas, pyrolysis gas outlet, low temperature charcoal go out
Mouthful；Stalk import is connected by device for transporting objects and the outlet of drying oven stalk；The outlet of low temperature gas is connected by pipeline and deduster
It connects；Pyrolysis gas outlet is connect by pipeline with the first tubular heat exchanger；First tubular heat exchanger passes through pipeline and secondary series
Pipe heat exchanger connection；The outlet of low temperature charcoal is provided with device for transporting objects；
First tubular heat exchanger is provided with pyrolysis gas entrance A, wood tar outlet, pyrolysis gas outlet A, inlet of cold air A
With hot air outlet A；Pyrolysis gas entrance A is connect by pipeline with the pyrolysis gas outlet of low temperature pyrogenation furnace；Wood tar outlet passes through
Pipeline is connect with wood tar storage tank；Pyrolysis gas outlet A is connect by pipeline with the second tubular heat exchanger；Inlet of cold air A is set
It sets and is connected with blower A；Hot air outlet A connects the hot air inlet of drying oven by pipeline；
Second tubular heat exchanger be provided with pyrolysis gas entrance B, wood vinegar outlet, pyrolysis gas outlet B, inlet of cold air B,
Hot air outlet B；Pyrolysis gas entrance B is connect by pipeline with pyrolysis gas outlet A；It is stored up by pipeline and wood vinegar wood vinegar outlet
Tank connection；Pyrolysis gas outlet B is generated by pipeline with thermal energy and allocation unit 5 is connect；Inlet of cold air B setting is connected with blower
B；Hot air outlet B is connect by pipeline with chimney；
First tubular heat exchanger is provided with temperature measuring equipment A, and the second tubular heat exchanger is provided with temperature measuring equipment B；It is described
Blower A driving device is variable-frequency motor A, and variable-frequency motor A is electrically connected with frequency converter A；The blower B driving device is variable-frequency electric
Machine B, variable-frequency motor B are electrically connected with frequency converter B；Temperature measuring equipment A and frequency converter A are electrically connected；Temperature measuring equipment B and frequency converter B
It is electrically connected；
The high temperature cabonization unit 3 includes high temperature carbonization furnace；The high temperature carbonization furnace is provided with charcoal import, pyrolysis gas outlet
It is exported with charcoal；Charcoal import is exported by the low temperature charcoal of device for transporting objects and low temperature pyrogenation furnace and is connected；Pyrolysis gas goes out
Mouth is generated by pipeline with thermal energy and allocation unit 5 is connect；Charcoal outlet is provided with device for transporting objects；
The charcoal cooling storage unit 4 includes dividing wall type heat exchanger, charcoal storage tank；The dividing wall type heat exchanger setting
There are charcoal import, charcoal outlet, inlet of cold air, hot air outlet；Charcoal import passes through device for transporting objects and height
The charcoal of warm retort exports connection；Charcoal outlet is connect by device for transporting objects with charcoal storage tank；Cold air
Import setting is connected with blower；Hot air outlet connects the hot air inlet of drying oven by pipeline；
The thermal energy generates and allocation unit 5 includes combustor, and combustible gas import, shunt regulating control dress are provided on combustor
It sets；Combustor is connect by pipeline with the pyrolysis gas outlet B of the second tubular heat exchanger；The shunt regulating control device setting
There are high temperature hot gas outlet A, high temperature hot gas outlet B；
The low temperature pyrogenation furnace, high temperature carbonization furnace are double-layer furnace body, and outer layer furnace body is fixed structure, and internal layer furnace body is rotation knot
Structure, and high temperature hot gas entrance, low temperature heat outlet are provided on outer layer furnace body；The outer layer furnace of low temperature pyrogenation furnace, high temperature carbonization furnace
It is heating space between body and internal layer furnace body；The high temperature hot gas entrance of the low temperature pyrogenation furnace on pipeline and combustion furnace by shunting
The high temperature hot gas of control set for adjusting exports A connection；The high temperature hot gas entrance of the high temperature carbonization furnace passes through pipeline and combustion furnace
The high temperature hot gas of upper shunt regulating control device exports B connection；The low temperature heat outlet of the low temperature pyrogenation furnace, high temperature carbonization furnace
It is connected by the hot air inlet of pipeline and drying oven；
The device for transporting objects of the drying oven stalk import is net belt type elevator, screw conveyor set composite；It is described low
The device for transporting objects of warm pyrolysis oven stalk import is net belt type elevator, screw conveyor set composite；The high temperature carbonization
The device for transporting objects of charcoal import, the charcoal outlet of furnace is pipeline furnace apparatus；
Temperature measuring equipment is provided on the low temperature pyrogenation furnace, high temperature carbonization furnace, temperature measuring equipment passes through the shunting of conducting wire and combustion furnace
Control set for adjusting connection.
The stalk progressive solution extracts the production technology of wood vinegar device, is described as follows:
S1: the stalk progressive solution extracts wood vinegar device as continuous feed production；Raw material uses continuous feed mode successively
It is transported to drying oven, low temperature pyrogenation furnace, high temperature carbonization furnace；
S2: drying oven technological parameter: Temperature Control of Drying Oven is at 100~120 DEG C；Raw material is 40~50 in the drying oven residence time
Minute；
S3: low temperature pyrogenation furnace technology parameter: low temperature pyrogenation furnace temperature is controlled at 200~250 DEG C, and raw material is in low temperature pyrogenation furnace
Residence time is 60~150 minutes；
S4: high temperature carbonization furnace technological parameter: high temperature carbonization furnace temperature is controlled at 600~900 DEG C, and raw material is in high temperature carbonization furnace
Residence time is 40~50 minutes；
S5: the first tubular heat exchanger technological parameter: the first tubular heat exchanger temperature is controlled at 110~130 DEG C；
S6: the second tubular heat exchanger technological parameter: the second tubular heat exchanger temperature is controlled at 85~110 DEG C.
The stalk progressive solution extracts wood vinegar device when it is implemented, its production cycle and drying oven, low temperature pyrogenation
Furnace, the volume setting of high temperature carbonization furnace are directly related:
When the volumetric ratio of drying oven, low temperature pyrogenation furnace, high temperature carbonization furnace is set as 1:1.5:1, i.e. low temperature pyrogenation furnace volume is
At 1.5 times of high temperature carbonization furnace volume, the production cycle that stalk progressive solution extracts wood vinegar device is 140~175 minutes, straw
Stalk is basically completed low temperature pyrogenation, production efficiency with higher in low temperature pyrogenation furnace；
When the volumetric ratio of drying oven, low temperature pyrogenation furnace, high temperature carbonization furnace is set as 1:2:1, i.e., low temperature pyrogenation furnace volume is height
When temperature carbonizes 2 times of furnace volume, the production cycle that stalk progressive solution extracts wood vinegar device is 160~200 minutes, and stalk exists
Low temperature pyrogenation is more abundant in low temperature pyrogenation furnace, the balance with preferable wood vinegar yield and production efficiency；
When the volumetric ratio of drying oven, low temperature pyrogenation furnace, high temperature carbonization furnace is set as 1:3:1, i.e., low temperature pyrogenation furnace volume is height
When temperature carbonizes 3 times of furnace volume, the production cycle that stalk progressive solution extracts wood vinegar device is 200~250 minutes, and stalk exists
Low temperature pyrogenation furnace is properly completed low temperature pyrogenation, and wood vinegar yield is high, but production efficiency is relatively low.
The stalk progressive solution extracts wood vinegar device in production, the temperature parameter root of drying oven, low temperature pyrogenation furnace
Be configured according to the difference of raw material: when raw material is agricultural crop straw, the temperature setting of drying oven is 100 DEG C, low temperature pyrogenation furnace
Temperature setting is 200 DEG C；When raw material is dry fruit shell, cocoanut shell, the temperature setting of drying oven is 120 DEG C, low temperature pyrogenation furnace
Temperature setting is 250 DEG C.
The stalk progressive solution extracts wood vinegar device in production, and the temperature parameter of high temperature carbonization furnace is according to producing
Charcoal purposes be configured: when the charcoal produced is used for fuel combustion, the temperature setting of high temperature carbonization furnace is 500
℃；For the charcoal produced for filtering, when adsorbing contaminant, the temperature setting of high temperature carbonization furnace is 750 DEG C；The biology produced
When charcoal is improved for farmland, the temperature setting of high temperature carbonization furnace is 900 DEG C.
The stalk progressive solution extraction wood of 1:2:1 is set as with the volumetric ratio of drying oven, low temperature pyrogenation furnace, high temperature carbonization furnace
For vinegar liquid device, biological activated carbon of the production for farmland improvement, technological parameter when raw materials for production are agricultural crop straw are as follows:
Temperature Control of Drying Oven is at 100 DEG C；Raw material is 40 minutes in the drying oven residence time；Low temperature pyrogenation furnace temperature is controlled at 200 DEG C,
Residence time of the raw material in low temperature pyrogenation furnace is 80 minutes；High temperature carbonization furnace temperature is controlled at 900 DEG C, and raw material is in high temperature carbonization
Residence time in furnace is 40 minutes.
The stalk progressive solution extraction wood of 1:2:1 is set as with the volumetric ratio of drying oven, low temperature pyrogenation furnace, high temperature carbonization furnace
It for vinegar liquid device, produces for filtering, the biological activated carbon of adsorbing contaminant, raw materials for production are the technological parameter of cocoanut shell are as follows:
Temperature Control of Drying Oven is at 120 DEG C；Raw material is 50 minutes in the drying oven residence time；Low temperature pyrogenation furnace temperature is controlled at 250 DEG C,
Residence time of the raw material in low temperature pyrogenation furnace is 100 minutes；High temperature carbonization furnace temperature is controlled at 750 DEG C, and raw material is in pyrocarbon
Changing the residence time in furnace is 50 minutes.
The stalk progressive solution extracts wood vinegar device in production, and the first tubular heat exchanger temperature is set in 120
DEG C, the second tubular heat exchanger temperature is set in 90 DEG C.
Part not in the detailed description of the invention is the prior art.
Claims (10)
1. a kind of stalk progressive solution extracts wood vinegar device, including drying unit (1), low temperature pyrogenation unit (2), high temperature cabonization
Unit (3), charcoal cooling storage unit (4), thermal energy generates and allocation unit (5)；The drying unit (1), low temperature pyrogenation
Unit (2), high temperature cabonization unit (3) are connected by pipeline with device for transporting objects；The low temperature pyrogenation unit (2), pyrocarbon
Change unit (3) and is connect with thermal energy generation and allocation unit (5) by pipeline；The high temperature cabonization unit (3) and charcoal cool down
Storage unit (4) is connected by device for transporting objects；Charcoal cooling storage unit (4) and drying unit (1) passes through pipe
Road connection；It is characterized in that: the drying unit (1) includes drying oven；The low temperature pyrogenation unit (2) includes low temperature pyrogenation furnace；
The high temperature cabonization unit (3) includes high temperature carbonization furnace；The low temperature pyrogenation furnace volume is the 1.5-3 of high temperature carbonization furnace volume
Times.
2. stalk progressive solution extracts wood vinegar device according to claim 1, it is characterized in that: the drying unit (1) wraps
Include drying oven, deduster；The drying oven is to be obliquely installed, and stalk import is provided on drying oven, hot air inlet, cold air go out
Mouth, stalk outlet, stalk inlet height are greater than stalk outlet height；Stalk import is provided with device for transporting objects；Hot-air enters
Mouth is connect by pipeline with low temperature pyrogenation unit (2), high temperature cabonization unit (3), charcoal cooling storage unit (4)；Cold air goes out
Mouth connects deduster by pipeline；Stalk outlet is provided with device for transporting objects；Deduster setting is connected with chimney.
3. stalk progressive solution extracts wood vinegar device according to claim 1, it is characterized in that: the low temperature pyrogenation unit
It (2) include low temperature pyrogenation furnace, the first tubular heat exchanger, the second tubular heat exchanger, wood tar storage tank, wood vinegar storage tank；Institute
It states low temperature pyrogenation furnace and is provided with stalk import, the outlet of low temperature gas, pyrolysis gas outlet, the outlet of low temperature charcoal；Stalk import passes through material
Conveying device and the outlet of drying oven stalk connect；The outlet of low temperature gas is connect by pipeline with deduster；Pyrolysis gas outlet passes through pipe
Road is connect with the first tubular heat exchanger；First tubular heat exchanger is connect by pipeline with the second tubular heat exchanger；Low temperature
Charcoal outlet is provided with device for transporting objects；
First tubular heat exchanger is provided with pyrolysis gas entrance A, wood tar outlet, pyrolysis gas outlet A, inlet of cold air A
With hot air outlet A；Pyrolysis gas entrance A is connect by pipeline with the pyrolysis gas outlet of low temperature pyrogenation furnace；Wood tar outlet passes through
Pipeline is connect with wood tar storage tank；Pyrolysis gas outlet A is connect by pipeline with the second tubular heat exchanger；Inlet of cold air A is set
It sets and is connected with blower A；Hot air outlet A connects the hot air inlet of drying oven by pipeline；
Second tubular heat exchanger be provided with pyrolysis gas entrance B, wood vinegar outlet, pyrolysis gas outlet B, inlet of cold air B,
Hot air outlet B；Pyrolysis gas entrance B is connect by pipeline with pyrolysis gas outlet A；It is stored up by pipeline and wood vinegar wood vinegar outlet
Tank connection；Pyrolysis gas outlet B is generated by pipeline with thermal energy and allocation unit (5) is connect；Inlet of cold air B setting is connected with wind
Machine B；Hot air outlet B is connect by pipeline with chimney；
First tubular heat exchanger is provided with temperature measuring equipment A, and the second tubular heat exchanger is provided with temperature measuring equipment B；It is described
Blower A driving device is variable-frequency motor A, and variable-frequency motor A is electrically connected with frequency converter A；The blower B driving device is variable-frequency electric
Machine B, variable-frequency motor B are electrically connected with frequency converter B；Temperature measuring equipment A and frequency converter A are electrically connected；Temperature measuring equipment B and frequency converter B
It is electrically connected.
4. stalk progressive solution extracts wood vinegar device according to claim 1, it is characterized in that: the high temperature cabonization unit
It (3) include high temperature carbonization furnace；The high temperature carbonization furnace is provided with charcoal import, pyrolysis gas outlet and charcoal outlet；Biology
Charcoal import is exported by the low temperature charcoal of device for transporting objects and low temperature pyrogenation furnace and is connected；Pyrolysis gas outlet is produced by pipeline and thermal energy
The connection of raw and allocation unit (5)；Charcoal outlet is provided with device for transporting objects.
5. stalk progressive solution extracts wood vinegar device according to claim 1, it is characterized in that: charcoal cooling storage
Unit (4) includes dividing wall type heat exchanger, charcoal storage tank；The dividing wall type heat exchanger is provided with charcoal import, charcoal
Outlet, inlet of cold air, hot air outlet；Charcoal import is exported by device for transporting objects and the charcoal of high temperature carbonization furnace
Connection；Charcoal outlet is connect by device for transporting objects with charcoal storage tank；Inlet of cold air setting is connected with blower；Heat
Air outlet slit connects the hot air inlet of drying oven by pipeline.
6. stalk progressive solution extracts wood vinegar device according to claim 1, it is characterized in that: the thermal energy generates and distribution
Unit (5) includes combustor, and combustible gas import, shunt regulating control device are provided on combustor；Combustor by pipeline with
The pyrolysis gas outlet B connection of second tubular heat exchanger；The shunt regulating control device is provided with high temperature hot gas outlet A, height
Warm heat outlet B.
7. stalk progressive solution extracts wood vinegar device according to claim 1, it is characterized in that: the low temperature pyrogenation furnace, height
Warm retort is double-layer furnace body, and outer layer furnace body is fixed structure, and internal layer furnace body is rotational structure, and is provided with height on outer layer furnace body
Warm hot gas inlet, low temperature heat outlet；Low temperature pyrogenation furnace, high temperature carbonization furnace outer layer furnace body and internal layer furnace body between for heating it is empty
Between；The high temperature hot gas entrance of the low temperature pyrogenation furnace is gone out by the high temperature hot gas of pipeline and shunt regulating control device on combustion furnace
Mouth A connection；The high temperature that the high temperature hot gas entrance of the high temperature carbonization furnace passes through shunt regulating control device on pipeline and combustion furnace
Heat outlet B connection；The low temperature pyrogenation furnace, high temperature carbonization furnace low temperature heat outlet pass through the hot-air of pipeline and drying oven
Entrance connection.
8. stalk progressive solution extracts wood vinegar device according to claim 1, it is characterized in that: the drying oven stalk import
Device for transporting objects be net belt type elevator, screw conveyor set composite；The material of the low temperature pyrogenation furnace stalk import
Conveying device is net belt type elevator, screw conveyor set composite；The charcoal import of the high temperature carbonization furnace, charcoal go out
The device for transporting objects of mouth is pipeline furnace apparatus.
9. stalk progressive solution extracts wood vinegar device according to claim 1, it is characterized in that: the low temperature pyrogenation furnace, height
Temperature measuring equipment is provided on warm retort, temperature measuring equipment is connected by the shunt regulating control device of conducting wire and combustion furnace.
10. stalk progressive solution described in a kind of claim 1 extracts the production technology of wood vinegar device, it is characterized in that:
S1: the stalk progressive solution extracts wood vinegar device as continuous feed production；Raw material uses continuous feed mode successively
It is transported to drying oven, low temperature pyrogenation furnace, high temperature carbonization furnace；
S2: drying oven technological parameter: Temperature Control of Drying Oven is at 100~120 DEG C；Raw material is 40~50 in the drying oven residence time
Minute；
S3: low temperature pyrogenation furnace technology parameter: low temperature pyrogenation furnace temperature is controlled at 200~250 DEG C, and raw material is in low temperature pyrogenation furnace
Residence time is 60~150 minutes；
S4: high temperature carbonization furnace technological parameter: high temperature carbonization furnace temperature is controlled at 600~900 DEG C, and raw material is in high temperature carbonization furnace
Residence time is 40~50 minutes；
S5: the first tubular heat exchanger technological parameter: the first tubular heat exchanger temperature is controlled at 110~130 DEG C；
S6: the second tubular heat exchanger technological parameter: the first tubular heat exchanger temperature is controlled at 85~110 DEG C.
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| CN114651836A (en) * | 2022-04-08 | 2022-06-24 | 山东农业大学 | Preparation method and application of straw-source tobacco water |
| CN115261043A (en) * | 2022-08-29 | 2022-11-01 | 山东建筑大学 | A processing system for saw-dust discarded object resourceization |
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