CN202497919U - Double-screw extruder for biomass preprocessing - Google Patents
Double-screw extruder for biomass preprocessing Download PDFInfo
- Publication number
- CN202497919U CN202497919U CN 201220067861 CN201220067861U CN202497919U CN 202497919 U CN202497919 U CN 202497919U CN 201220067861 CN201220067861 CN 201220067861 CN 201220067861 U CN201220067861 U CN 201220067861U CN 202497919 U CN202497919 U CN 202497919U
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- Prior art keywords
- twin
- screw extruder
- main shafts
- extruder
- area
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- 239000002028 Biomass Substances 0.000 title claims abstract description 21
- 238000007781 pre-processing Methods 0.000 title description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 239000003638 chemical reducing agent Substances 0.000 claims 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 10
- 239000000126 substance Substances 0.000 abstract description 9
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 239000001913 cellulose Substances 0.000 abstract description 2
- 229920002678 cellulose Polymers 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- 230000003028 elevating effect Effects 0.000 description 10
- 238000001125 extrusion Methods 0.000 description 9
- 239000000835 fiber Substances 0.000 description 8
- 239000012530 fluid Substances 0.000 description 8
- 239000010902 straw Substances 0.000 description 7
- 238000005201 scrubbing Methods 0.000 description 6
- 239000000446 fuel Substances 0.000 description 4
- 241000609240 Ambelania acida Species 0.000 description 3
- 241000209140 Triticum Species 0.000 description 3
- 235000021307 Triticum Nutrition 0.000 description 3
- 240000008042 Zea mays Species 0.000 description 3
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 description 3
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 3
- 239000010905 bagasse Substances 0.000 description 3
- 235000009973 maize Nutrition 0.000 description 3
- 235000000346 sugar Nutrition 0.000 description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 230000036983 biotransformation Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical class CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003225 biodiesel Substances 0.000 description 1
- 206010061592 cardiac fibrillation Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002600 fibrillogenic effect Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
本实用新型涉及生物质预处理的设备，具体是一种用于生物质预处理的双螺旋挤压机，包括上料系统、挤压机主体及电动机，其中挤压机主体包括壳体及两根相互平行的主轴，所述两根平行的主轴设在壳体内，每根主轴上均安装有多个正、反交替设置的正向螺旋和反向螺旋，两根主轴上相对应的螺旋旋向相同、并相互咬合；所述两根主轴的两端均伸出所述壳体，其中两根主轴的一端转动安装在支撑箱内，另一端均与所述电动机相连接；所述挤压机主体的一端开有上料口，所述上料系统与该上料口相连通。本实用新型结构简单、操作方便、占地面积小、用水量少、能耗低，是纤维素乙醇、生物基化学品生产中的理想设备。
The utility model relates to biomass pretreatment equipment, in particular to a twin-screw extruder for biomass pretreatment, including a feeding system, an extruder main body and a motor, wherein the extruder main body includes a shell and two The two parallel main shafts are arranged in the housing, and each main shaft is equipped with a plurality of positive and reverse alternately arranged forward helixes and reverse helixes, and the corresponding helical helixes on the two main shafts The two ends of the two main shafts protrude from the housing, one end of the two main shafts is rotatably installed in the support box, and the other end is connected with the motor; the extruding One end of the main body of the machine is provided with a feeding port, and the feeding system communicates with the feeding port. The utility model has the advantages of simple structure, convenient operation, small occupied area, less water consumption and low energy consumption, and is ideal equipment in the production of cellulose ethanol and bio-based chemicals.
Description
Technical field
The utility model relates to the living beings equipment of pretreatment, specifically a kind of pretreated double-screw extrusion machine of living beings that is used for.
Background technology
Along with day being becoming tight of petrochemical industry resource, with living resources, agriculture and forestry organic waste material particularly, for example: lignocellulose raw material bio-transformations such as maize straw, straw, wheat straw, bagasse, timber are that the development and use of liquid fuel become the research focus.These discarded object bio-transformations are reproducible liquid fuels such as ethanol, butanols, biodiesel; Not only can solve problem of environmental pollution; Can also alleviate the energy crisis and the discharge capacity that reduces greenhouse gases of growing tension, significant for the recycling economy pattern of creating sustainable development.
Cellulose series biomass is converted into biological liquid fuel, and crucial step is the process that is converted into fermentable sugars through physics or chemical action preliminary treatment lignocellulose raw material.Because lack economically viable method and equipment, the cost of preliminary treatment saccharifying unit is high always, becomes and hinders its obstacle to commercialized development.Present pre-processing device mainly contains pulverizer, the vibratory milling that is used for mechanical treatment; Be used for chemically treated agitated reactor, digester etc.; These device processes energy consumptions are high, the chemical cost amount causes preliminary treatment saccharifying cost too high greatly, so invention novel and effective lignocellulosic preliminary treatment equipment and method are significant for the suitability for industrialized production that the realization lignocellulosic is converted into biological liquid fuel.
The utility model content
To the problems referred to above, the purpose of the utility model is to provide a kind of pretreated double-screw extrusion machine of living beings that is used for.This double-screw extrusion machine is simple in structure, easy to operate, floor space is little, water consumption is few, energy consumption is low, is the ideal equipment in cellulosic ethanol, the bio-based chemicals production.
To achieve these goals, the utility model adopts following technical scheme:
A kind of pretreated double-screw extrusion machine of living beings that is used for; Comprise feeding system, extruder main body and motor; Wherein the extruder main body comprises housing and two main shafts that are parallel to each other; Said two parallel main shafts are located in the housing, and a plurality of positive and negative transport screws that are arranged alternately and reverse acting spiral all are installed on the every main shaft, identical, the also interlock each other of corresponding rotary orientation on two main shafts; Said housing is all stretched out at the two ends of said two main shafts, and wherein an end of two main shafts is rotatably installed in and supports in the case, and the other end all is connected with said motor; One end of said extruder main body has feeding port, and said feeding system is connected with this feeding port.
A wherein end of said two main shafts is installed in through bearing and supports in the case; The output shaft of said motor is connected with decelerator; The output of decelerator is provided with two parallel output shafts, also is connected with the other end of two main shafts respectively, drives two main shafts and rotates in the same way.
All have a plurality of skewed slots on said each reverse acting spiral.
Said feeding system comprises feeder and elevating hopper, and wherein elevating hopper is positioned at the top of said feeding port, and said feeder is connected with elevating hopper.
Said elevating hopper is taper, is provided with the spiral conveying blade of taper in it.
The housing of said extruder main body is divided into upper shell and lower house, and wherein upper shell is provided with a plurality of inlets.
Said extruder main body comprises delivery area, scrubbing section, pretreating zone and discharge zone; Wherein the delivery area corresponding shell is provided with said feeding port; The spiral of installing on two main shafts of corresponding shell inside, said delivery area is transport screw, and said discharge zone corresponding shell bottom is provided with discharging opening.
Said scrubbing section corresponding shell bottom is provided with leakage fluid dram, and said pretreating zone corresponding shell bottom is provided with lining tile.
Said scrubbing section corresponding shell bottom removably is equipped with sieve plate, has a plurality of said leakage fluid drams on the said sieve plate, and said leakage fluid dram is a bellmouth.
Be equipped with temperature sensor in the said pretreating zone corresponding shell and in the discharge zone corresponding shell.
The advantage and the beneficial effect of the utility model are: the utility model adapts to and is used for the preprocessing process that lignocellulose-like biomass such as maize straw, wood chip, bagasse, wheat straw, reed are converted into sugar; It is simple in structure, easy to operate, floor space is little, water consumption is few, energy consumption is low, is the ideal equipment in cellulosic ethanol, the bio-based chemicals production.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the vertical profile structural representation of the extruder main body of the utility model;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is the structural representation of the sieve plate of the utility model;
Fig. 5 is the enlarged drawing of leakage fluid dram among Fig. 4;
Wherein: 1 is decelerator, and 2 is motor, and 3 is the extruder main body, and 4 is temperature sensor, and 5 is upper shell, and 6 is lower house; 7 is main shaft, and 8 is feeding port, and 9 is inlet, and 10 is leakage fluid dram, and 11 is feeder; 12 is feed hopper, and 13 is spiral conveying blade, and 14 is transport screw, and 15 is reverse acting spiral, and 16 is sieve plate; 17 is skewed slot, and A is the delivery area, and B is a scrubbing section, and C is a pretreating zone, and D is a discharge zone.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
Shown in Fig. 1～3; The utility model comprises feeding system, extruder main body 3 and motor 2; Wherein extruder main body 3 comprises housing and two main shafts that are parallel to each other 7, and its middle shell is divided into upper shell 5 and lower house 6, on upper shell 5, is provided with a plurality of inlets 9.Said two main shafts that are parallel to each other 7 are located in the housing; A plurality of positive and negative transport screws that are arranged alternately 14 and reverse acting spiral 15 all are installed on the every main shaft 7; Identical, the also interlock each other of corresponding rotary orientation on two main shafts 7; Said housing is all stretched out at the two ends that have 17, two main shafts 7 of skewed slot on the reverse acting spiral 15, and wherein an end of two main shafts 7 is rotatably installed in through bearing and supports in the case; The output shaft of motor 2 is connected with decelerator 1, and the output of decelerator 1 is provided with two parallel output shafts, and these two parallel output shafts are connected with the other end of two main shafts 7 respectively, and decelerator 1 drives two parallel main shafts 7 simultaneously and rotates in the same way.Motor 2 links to each other with frequency converter (or adopting variable-frequency motor), can governing speed and direction of rotation.
Extruder main body 3 comprises delivery area A, scrubbing section B, pretreating zone C and discharge zone D, and wherein A corresponding shell in delivery area is provided with feeding port 8, and A corresponding shell spiral inner, that on two main shafts 7, install in delivery area is transport screw; Discharge zone D corresponding shell bottom is provided with discharging opening; Scrubbing section B corresponding shell bottom removably is equipped with sieve plate 16, has a plurality of leakage fluid drams 10 on this sieve plate 16, and leakage fluid dram 10 is the bellmouth of aperture 0.8～1.5mm, to prevent to handle in the living beings process obstruction to the hole, like Fig. 4, shown in Figure 5.In the biomass processes process, can add clear water or chemical assistant through inlet 9, to realize washing or chemical reaction process.The waste water of washing flows out through leakage fluid dram 10.Sieve plate 16 changed when not needing discharge opeing into the lining tile of atresia when adding chemical assistant; Pretreating zone C corresponding shell bottom is provided with lining tile.
Said feeding system comprises feeder 11 and elevating hopper 12; Wherein elevating hopper 12 is positioned on the said feeding port 8; Feeder 11 is the belt-type feeder; The metering of material loading is to realize the adjusting of material loading speed through regulating the material loading motor speed, thereby regulates the metering of material loading, and this belt-type feeder is a prior art.Feeder 11 is connected with elevating hopper 12.Feed hopper 12 is taper, is provided with cone-type spiral conveying blade 13 in the feed hopper 12, and this spiral conveying blade 13 drives through a small size motor.Biomass material is transported in the taper elevating hopper 12 by the below of belt-type feeder, is transported in the delivery area A corresponding shell of extruder main body 3 by the cone-type spiral conveying blade 13 in the elevating hopper 12.The motor of the motor of feeding system belt filled machine and elevating hopper 12 inner conical spiral conveying blades 13 and the motor 2 of extruder main body 3 are associated; Feeding system slows down automatically or stops feed when the double-screw extrusion machine overload operation, so that double-screw extrusion machine is protected.All associations all realize through prior art PLC (programmable logic controller (PLC)) control.
The operation principle of the utility model is: in the living beings preprocessing process, at first actuating motor 2, and two parallel main shafts 7 that drive in the extruder main body 3 through decelerator 1 rotate in the same way.Biomass material is sent into by taper feed hopper 12; Transport screw 14 promotes material and moves forward; Reverse acting spiral 15 stops material to advance, and forms powerful frictional force and shearing force between spiral and the material and makes fibrous biomass microfibreization and cut-out, because transport screw 14 squeezing actions are bigger; The compelled skewed slot 17 from reverse acting spiral 15 of material passes through to get into next crush zone, so repeatedly.In extrusion process, produce very big frictional force between fiber and the spiral, between fiber and the fiber, cause fiber generation conquassation, break and the fibrillation effect.In order fully to make biomass fiber accomplish fragmentation and fibrillating, skewed slot 17 openings on the reverse acting spiral 15 are designed to pursue the arrangement that group reduces.
Living beings in double helix extrusion process between fiber and the spiral and between fiber and the fiber fricative mechanical heat energy enough reach about 100 ℃; Like this under the state that does not need extra-heated; The chemical assistant of adding is evenly mixed and fast reaction with broken living beings; In order to monitor the temperature in the extruder main body 3 better; In pretreating zone C corresponding shell with in the discharge zone D corresponding shell, assemble abrasion resistant thermocouple formula temperature sensor 4, and go up online displays temperature at switch board (prior art).Temperature in the extruder main body 3 can be regulated and control through feed liquor amount and inlet amount.
The utility model adapts to and is used for the preprocessing process that lignocellulose-like biomass such as maize straw, wood chip, bagasse, wheat straw, reed are converted into sugar; It is simple in structure, easy to operate, floor space is little, water consumption is few, energy consumption is low, is the ideal equipment in cellulosic ethanol, the bio-based chemicals production.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220067861 CN202497919U (en) | 2012-02-28 | 2012-02-28 | Double-screw extruder for biomass preprocessing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220067861 CN202497919U (en) | 2012-02-28 | 2012-02-28 | Double-screw extruder for biomass preprocessing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202497919U true CN202497919U (en) | 2012-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220067861 Expired - Fee Related CN202497919U (en) | 2012-02-28 | 2012-02-28 | Double-screw extruder for biomass preprocessing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202497919U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103790056A (en) * | 2012-10-31 | 2014-05-14 | 中国科学院青岛生物能源与过程研究所 | Method for pretreating cellulosic biomass |
| CN106076567A (en) * | 2016-07-29 | 2016-11-09 | 衢州市煜鑫农产品加工技术开发有限公司 | A kind of elastic press type biomass milling device |
-
2012
- 2012-02-28 CN CN 201220067861 patent/CN202497919U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103790056A (en) * | 2012-10-31 | 2014-05-14 | 中国科学院青岛生物能源与过程研究所 | Method for pretreating cellulosic biomass |
| CN106076567A (en) * | 2016-07-29 | 2016-11-09 | 衢州市煜鑫农产品加工技术开发有限公司 | A kind of elastic press type biomass milling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121024 Termination date: 20200228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |