CN201738178U - Co-rotating superimposed twin screw pulping machine - Google Patents
Co-rotating superimposed twin screw pulping machine Download PDFInfo
- Publication number
- CN201738178U CN201738178U CN2010202575180U CN201020257518U CN201738178U CN 201738178 U CN201738178 U CN 201738178U CN 2010202575180 U CN2010202575180 U CN 2010202575180U CN 201020257518 U CN201020257518 U CN 201020257518U CN 201738178 U CN201738178 U CN 201738178U
- Authority
- CN
- China
- Prior art keywords
- screw
- pulp
- coupler
- milling
- shaft coupling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Paper (AREA)
Abstract
The utility model discloses a co-rotating superimposed twin screw pulping machine, comprising a motor, a first coupler, a gearbox, a second coupler and a main shell, wherein the first coupler is arranged between the motor and the gearbox; the output end of the gearbox is connected with the second coupler; a feed port, a liquid outlet and a discharge box are arranged on the main shell, the main shell is internally provided with two co-rotating screws which are vertically superposed and parallel to and engaged with each other; and the screws are connected with the second coupler. Due to the adoption of two vertically superposed screws, fiber raw materials are axially and dynamically extruded under high concentration and high pressure during transportation; plant fiber raw materials are repeatedly ground, kneaded and disconnected between the two co-rotating superposed screws through the friction among fibers; primary walls and secondary walls of the fibers are squashed and separated to finally obtain high-concentration pulp with longer fibers and sufficient fibrillation; in addition, the pulp has low specific energy consumption and small water consumption and emissions.
Description
Technical field
The present invention relates to a kind of fiberizer, especially a kind of eclipsed form double-screw pulp-milling that rotates in the same way with plant fiber material production paper making pulps.
Background technology
Produce paper making pulps with plant fiber material, adopt the method for chemical treatment, mechanical treatment or both combinations usually.The pulping process that chemical treatment combines with mechanical treatment is called chemical-mechanical pulping.Chemical-mechanical pulping is considered to the process for cleanly preparing of 21 century paper industry, and the contaminant capacity that produces in this production process only reaches 1/10～1/6 of chemical pulping pollution, and the chemi-mechanical pulp that makes also has unique physical property and optical property.Therefore, pulping technique by chemical-mechanical method has obtained fast development in various countries in recent years.
Fiberizer is the nucleus equipment of modern chemistry machinery pulping factory energy-saving and emission-reduction, and it not only directly has influence on the quality of just starching product, and is related to the energy consumption and the cost of production.The thirties in 20th century, western countries begin the disc mill that system flour is used is referred to the pulping and paper-making industry, and it makes the serialization of defibrination process, and the slurry quality of wherethrough reason is homogeneous comparatively.This occupation area of equipment is little, reduces about 20% than trough-style pulp beater (first generation beating equipment) energy consumption.Disc mill, tapered jordan, cylinder fiberizer all are called second generation mill (beating) pulp grinder.The 1950's, double screw extruder is brought into use in external plastics and food industry.1975, French Clectral company at first carried on technical development to double screw extruder, tries hard to be used for pulping and papermaking industry.After this, be prototype with the double screw extruder, Sweden, U.S.'s paper industry also begin one's study and develop the double-screw pulp-milling that is exclusively used in slurrying.Double-screw pulp-milling is considered to third generation fiberizer, it integrates conveying, chemical treatment, defibrination, washing and bleaches contour dense operation process, utilize the extruding and the kneading action of its two long bolts, once finish each technical process expeditiously, so it is very remarkable to save water, electricity, vapour and medicine, the concern of papermaking circle extremely both at home and abroad.Nineteen eighty-three, C-E Bauer company is used for double-screw pulp-milling the pilot production of pulp industry first, and the raw material of processing is south pine and poplar wood chip, than under the low energy consumption, produces the slurry of performance classes like thermomechanical pulp TMP.Up to the beginning of the nineties in last century, the twin-screw pulper that French Clectral company produces has just successfully been finished commercial Application in the pulping and paper-making industry, and this equipment is referred to as Bivis (Bi-couple, the Vis-screw rod).Sweden KMW Inc. utilizes the twin-screw press master as blender, is used for the high dense mixing of slurry and bleaching liquor, and Here it is is referred to as not have the double-screw pulp-milling of the third generation refining equipment of cutter formula.Operations such as the twin-screw pulper is used to also that paper industry slag slurry is regrinded, Waste Paper Handling, slurry bleaching and washing." double-screw pulp-milling " of people such as De Choudens C invention applied for patent in states such as the U.S., France and Japan, " use double-screw pulp-milling pulping process " of its invention in European application patent, " use double-screw pulp-milling produce bank-note paper pulping process " of its invention at U. S. application patent, " pulping process and the device continuously " of its invention in french application patent.
1991, wangdan was introduced the earliest at home with the high whiteness CTMP of Bivis legal system.1992, Dong's equality people studied the design of the theory of engagement and the screw rod parameter of Twin Screw Refiner.1997, the Chen Qiao mirror was at length introduced the Bivis method production procedure of paper mill, Tianjin, and Bivis legal system pulp grinder reason is inquired into.1997, Liu Changen declared utility model patent-double-screw type fiberizer, and cooperated with the east molding machine company of professional production double screw extruder, development and production the double-screw pulp-milling of domestic first diameter 76mm.The big patent transfer contract of having signed of east molding machine and northeast woods afterwards, two units carry out the research and development of this product respectively.Calendar year 2001, the diameter 76mm double-screw pulp-milling experiment type of east molding machine production has passed through technical acceptance.In June in the same year, they cooperate with the University Of Science and Technology Of Tianjin, develop diameter 120mm SM120 type double-screw pulp-milling.With the northeast woods greatly the Heilungkiang bounties company of technical backstopping the 76mm double-screw pulp-milling is improved, develop series of products, and declare patent of invention " a kind of chemical mechanical pulp-making method and equipment " in September, 1999.2004, king's equality people obtained patent of invention " parallel rotary spiral paste mill ".2005, king's equality people obtained patent of invention " double-screw pulp-milling of band toothed disc ".2006, king's equality people obtained patent of invention " transmission case of parallel rotary spiral paste mill " again.
But the research of China's twin-screw press master is also at the early-stage, and is bigger with the advanced foreign technology gap.Technologies such as the twin-screw press master can be used for that the production and the slag slurry of the contour yield slurry of chemi-mechanical pulp and semi-chemical pulp are regrinded, Waste Paper Handling, slurry bleaching and washing, the twin-screw press master can substitute present widely used disc mill or cooperate disc mill to improve the quality of mechanical pulp, and twin-screw shove technology has a wide range of applications.Therefore,, strengthen the research and extension of twin-screw press master and use dynamics, not only can promote the tooling device of China's enterprises in pulp and paper industry and the progress of technology, and can improve the economic benefit of enterprises in pulp and paper industry and the competitiveness in market in conjunction with China's national situation.
Domestic and international existing double-screw pulp-milling, two screw rods are the adjacent placements of horizontal parallel, at an end of two screw rods the desk-top feeding warehouse of back taper are installed.Fibrous raw material is packed into behind the feeding warehouse, relies on the raw material self gravitation to enter twin-screw defibrination district from top to bottom.Because fibrous raw material is crude, fluffy, irregular, in feeding warehouse, very easily build bridge, make charging intermittently not smooth, cause defibrination discontinuous, energy consumption raises, the size performance instability behind the defibrination.
Summary of the invention
The purpose of this invention is to provide a kind of eclipsed form double-screw pulp-milling that rotates in the same way, its adopts two overlapping, parallel up and down, engagements and homodromal module combined type helical axis, make that fibrous raw material is dense at height when carrying, be subjected to axial dynamic extruding under the high pressure, rely on interfibrous friction, make plant fiber material be rolled repeatedly, rub, discongest, fiber primary wall (p layer) and secondary wall (S rotating in the same way between the eclipsed form twin-screw
1Layer) by conquassation and disassociation, finally obtain fiber length, the sufficient high concentration paper pulp of brooming, and the defibrination specific energy consumption is low, water consumption and blowdown flow rate are few.
The object of the present invention is achieved like this:
A kind of eclipsed form double-screw pulp-milling that rotates in the same way, comprise motor, first shaft coupling, gear-box, second shaft coupling and main casing, described first shaft coupling is arranged between described motor and the gear-box, output at described gear-box connects described second shaft coupling, described main casing is provided with charging aperture, leakage fluid dram and goes out magazine, it is characterized in that: in described main casing, be provided with two overlapping up and down, be parallel to each other, Nie He homodromal screw rod each other, described screw rod is connected with second shaft coupling.
End side surface level at main casing connects described charging aperture, and charging aperture is communicated with the inner chamber of main casing.
Described screw rod is made up of helical axis and the screw thread that is arranged on the helical axis, described helical axis is from feed end, be disposed with conveyor screw, compression spiral, grading ring, squeezing mill uncoiling cover and discharging spiral, described conveyor screw, compression spiral and discharging spiral are forward, and described squeezing mill uncoiling cover is for reverse.
Thisly rotating the intermeshing homodromal metal screw that the eclipsed form double-screw pulp-milling is had in the same way, is to be made by carbon steel or stainless steel material, and handle to improve the hardness of screw rod through nitriding on the surface of carbon steel screw rod.Helical axis by splined shaft and by internal spline be installed on conveyor screw cover on the axle, module components such as compression screw casing, squeezing mill uncoiling cover (oppositely) and homogenizing ring constitute; Have slot on squeezing mill uncoiling cover (oppositely) the spiral shell rib, the section configuration of slot is fan-shaped for radially radiating, and slot adopts the transport screw line to open system vertically; Sealing ring (polytetrafluoroethylene (PTFE) or other plastics) all is equipped with in helical axis module component end face junction.
End side surface level at this parallel rotary spiral paste mill housing is connected with horizontal positive feed groove, and feed well is communicated with the inner chamber of housing.Feed worm is arranged in the feed well, and this screw rod is connected with the motor of a smaller power.Uncovered feeding bin is equipped with on the top of feed well.The screw rod of this horizontal positive feed groove links to each other with the motor of a smaller power, and this motor is the adjustable speed direct current generator, by the adjustable speed direct current generator, the rotating speed of feed well screw rod can be controlled at 30-160r/min.
Advantage of the present invention and good effect are:
Half formula splitting machine tube inner chamber is equipped with removable die change piece combination lining tile and press strip, can adopt the lining tile module (sealing, injection liquid or gas and installation filter) of different structure to realize different functions according to the pulping process requirement; Be convenient to local replacing according to abrasion condition, reduce use cost.
Two are parallel to each other, mesh and present down vertical the installation and homodromal cylindrical module combined type helical axis, can simplify feeding manner, are convenient to and being connected of upstream equipment; The module combined type helical structure can require to form a plurality of different functional sections with the machine barrel cooperation according to pulping process, and realization is carried, extruding is concentrated, mill is separated, washed and flood mixed function.Helical axis adopts the project organization of two ends by bearings, can improve helical axis running accuracy and dependability.Have slot on squeezing mill uncoiling cover (oppositely) the spiral shell rib, the cross sectional shape of slot is fan-shaped for radially radiating, and slot adopts the transport screw line to open system vertically, can prevent that stress is concentrated, improves the root intensity of squeezing mill uncoiling cover (oppositely) spiral shell rib; Resistance when reducing material by slot reduces refining energy consumption, makes the paper pulp that fiber is long, intensity is good.Sealing ring (polytetrafluoroethylene (PTFE) or other plastics) all is equipped with in helical axis module component end face junction, can prevent that waste liquid or gas from entering space between screw casing and the splined shaft and corrode splined shaft and be easy to dismounting maintenance, prolongs the service life of splined shaft.
Description of drawings
Fig. 1 is that this rotates total attachment structure figure of eclipsed form double-screw pulp-milling operation principle in the same way.
Fig. 2 is this cross-sectional schematic diagram that rotates eclipsed form double-screw pulp-milling machine barrel and helical axis in the same way.
Fig. 3 rotates eclipsed form double-screw pulp-milling double helix axle construction to concern schematic diagram in the same way.
Fig. 4 is the sealing ring mounting structure schematic diagram of Fig. 3.
Fig. 5 is Fig. 3 squeezing mill uncoiling cover (oppositely) slot end face structure schematic diagram.
The specific embodiment
Below in conjunction with accompanying drawing the enforcement that this rotates the eclipsed form double-screw pulp-milling in the same way is further described:
Basis shown in Figure 1 is rotated the eclipsed form double-screw pulp-milling in the same way, by motor 1, first shaft coupling 2, gear-box 3, second shaft coupling 4, thrust metal 5, charging aperture 6, leakage fluid dram 7, main casing, helical axis 15, go out magazine 8, floating bearing bracket 9 and support 10 and form.Motor provides the power of system, drives the helical axis rotation by shaft coupling, gear-box.Main casing is made of left machine barrel 11 and right machine barrel 14, the left and right machine barrel of sole plate supports, the machine barrel side has charging aperture, liquid (or gas) hand-hole and filtrate outlet, and helical axis is collected discharge by going out magazine by thrust metal and floating bearing seat supports behind the mill disposed slurry extruder barrel.
Fig. 2 is the cross-sectional schematic diagram of machine barrel and helical axis, install by modes of installing such as bolts between left machine barrel 11 among the figure, the right machine barrel 14, and module components such as press strip 12, lining tile 13 being housed at the cavity inner wall of its formation lining, two root architectures are identical, be parallel to each other, be engaged with each other and homodromal module combinations helical axis 15 goes to upper and lower structure and is installed in the machine barrel chamber.
Fig. 3 is that originally rotating eclipsed form double-screw pulp-milling double helix axle construction in the same way concerns schematic diagram, and two helical axis module component structures are identical, axis is parallel up and down, be meshing with each other and turn to identical.Every helical axis is by splined shaft 16, conveyor screw 17, compression spiral 18, homogenizing ring 19, squeezing mill uncoiling cover (oppositely) 20, squeezing mill uncoiling cover (oppositely) 21, squeezing mill uncoiling cover (oppositely) 22, discharging spiral 23, cover 24, nut 25 and sealing ring 26 composition module combining structures, and each module component is compressed by nut 25 and installs.
The module combinations helical axis can be formed the different work functions district of 2-5 section by compression spiral 18, homogenizing ring 19 respectively with squeezing mill uncoiling cover (oppositely) according to the pulping process requirement.
Fig. 4 is the sealing ring mounting structure schematic diagram of Fig. 3, sealing ring 26 is installed on each helical axis module component and connects between the end face, can prevent from waste liquid or gas from entering space between screw casing and the splined shaft and corrode splined shaft and be easy to dismounting to keep in repair, prolong the service life of splined shaft.
Fig. 5 is Fig. 3 squeezing mill uncoiling cover (oppositely) slot end face structure schematic diagram, have slot on squeezing mill uncoiling cover (oppositely) the spiral shell rib, the cross sectional shape of slot is fan-shaped for radially radiating, slot adopts the transport screw line to open system vertically, can prevent that stress is concentrated, improve the root intensity of squeezing mill uncoiling cover (oppositely) spiral shell rib; Resistance when reducing material by slot reduces refining energy consumption, makes the paper pulp that fiber is long, intensity is good.The physical dimension of slot and quantity can require to change according to pulping process.
This operation principle of rotating the eclipsed form double-screw pulp-milling in the same way is:
Fibrous raw material enters charging aperture 6 through side continuous flow rate device, advances to the direction extruding that goes out magazine 8 under the effect of spiral.Conveyor screw 17 pitch are bigger, are convenient to feeding and forward feeding fast; Compression spiral 18 pitch reduce, and extruding force increases, and material is compressed, and is full of screw channel gradually; Entering reverse crush zone, is homogenizing ring 19 places before the squeezing mill uncoiling cover 20, and it is maximum that extruding force reaches, and material is compressed strongly, and the material contained humidity is extruded and discharges by machine barrel filter castor and filtrate drain drilling; Under the effect of forward extrusion power, material is forced through the slot on squeezing mill uncoiling cover (oppositely) the 20 spiral shell ribs, is squeezed, crumples and the material physical dimension of high dense mixing diminishes and refinement;
Material is the different operating functional areas b by being made up of respectively compression spiral 18, homogenizing ring 19 and squeezing mill uncoiling cover (oppositely) 20,21,22 successively
1, b
2, b
3, last material is extruded mill and separates pulping.
Simultaneously, can be according to the pulping process requirement, add clear water (or other chemicals, steam) by machine barrel liquid (or gas) metering hand-hole in that the forward discharging of squeezing mill uncoiling cover (oppositely) 20,21 is terminal, realize functions such as dipping, washing and high dense mixing.Fibre material in the higher-pressure region, axially be subjected to very big extruding force (〉=10MPa) and produce frictional heat, under the dense state of height, the pressure and temperature factor has more been strengthened soup and has been soaked into and the fiber dissociation.
This rotates the eclipsed form double-screw pulp-milling in the same way and adopts modularization composite structure, one-machine-multi-function when the high dense mill of fibre material is separated, is finished pulping process operations such as boiling, washing, dipping and high density bleaching mixing, can simplify the slurrying production procedure, reduce equipment investment; Reduce water, electricity, vapour and chemical cost, reduce blowdown flow rate, reduce production costs.
Claims (3)
1. one kind is rotated the eclipsed form double-screw pulp-milling in the same way, comprise motor (1), first shaft coupling (2), gear-box (3), second shaft coupling (4) and main casing, described first shaft coupling (2) is arranged between described motor (1) and the gear-box (3), output at described gear-box (3) connects described second shaft coupling (4), described main casing is provided with charging aperture (6), leakage fluid dram (7) and go out magazine, it is characterized in that: overlapping about in described main casing, being provided with two, be parallel to each other, Nie He homodromal screw rod each other, described screw rod is connected with second shaft coupling (4).
2. the eclipsed form double-screw pulp-milling that rotates in the same way according to claim 1 is characterized in that: the end side surface level at main casing connects described charging aperture (6), and charging aperture (6) is communicated with the inner chamber of main casing.
3. the eclipsed form double-screw pulp-milling that rotates in the same way according to claim 1, it is characterized in that: described screw rod is made up of helical axis (15) and the screw thread that is arranged on the helical axis, described helical axis is from feed end, be disposed with conveyor screw (17), compression spiral (18), grading ring (19), squeezing mill uncoiling cover (20,21,22) and discharging spiral (23), described conveyor screw (17), compression spiral (18) and discharging spiral (23) are forward, and described squeezing mill uncoiling cover (20,21,22) is reverse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202575180U CN201738178U (en) | 2010-07-13 | 2010-07-13 | Co-rotating superimposed twin screw pulping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202575180U CN201738178U (en) | 2010-07-13 | 2010-07-13 | Co-rotating superimposed twin screw pulping machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201738178U true CN201738178U (en) | 2011-02-09 |
Family
ID=43553457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202575180U Expired - Lifetime CN201738178U (en) | 2010-07-13 | 2010-07-13 | Co-rotating superimposed twin screw pulping machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201738178U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493241A (en) * | 2011-12-16 | 2012-06-13 | 中国林业科学研究院林产化学工业研究所 | Wood chip extrusion method and equipment for chemimechanical pulping |
| CN102864669A (en) * | 2012-09-11 | 2013-01-09 | 江苏金沃机械有限公司 | Double-screw impregnator |
| CN103005658A (en) * | 2011-09-21 | 2013-04-03 | 湖北中烟工业有限责任公司 | New technology for improving tobacco stalk pulping quality |
| CN105463899A (en) * | 2015-12-16 | 2016-04-06 | 云南昆船环保技术有限公司 | Defibering machine for paper-making reconstituted tobacco |
| CN108126625A (en) * | 2017-12-21 | 2018-06-08 | 佛山市金银河智能装备股份有限公司 | A kind of mix conveying appliance |
| CN113897812A (en) * | 2021-10-19 | 2022-01-07 | 南京林业大学 | Low-energy-consumption high-strength high-yield pulping process |
| CN115488977A (en) * | 2021-06-17 | 2022-12-20 | 山鹰纸业(吉林)有限公司 | Method for separating skin and pith of corn straw and removing skin and pith together with leaves |
-
2010
- 2010-07-13 CN CN2010202575180U patent/CN201738178U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103005658A (en) * | 2011-09-21 | 2013-04-03 | 湖北中烟工业有限责任公司 | New technology for improving tobacco stalk pulping quality |
| CN103005658B (en) * | 2011-09-21 | 2015-04-01 | 湖北中烟工业有限责任公司 | New technology for improving tobacco stalk pulping quality |
| CN102493241A (en) * | 2011-12-16 | 2012-06-13 | 中国林业科学研究院林产化学工业研究所 | Wood chip extrusion method and equipment for chemimechanical pulping |
| CN102493241B (en) * | 2011-12-16 | 2014-12-03 | 中国林业科学研究院林产化学工业研究所 | Wood chip extrusion method and equipment for chemimechanical pulping |
| CN102864669A (en) * | 2012-09-11 | 2013-01-09 | 江苏金沃机械有限公司 | Double-screw impregnator |
| CN105463899A (en) * | 2015-12-16 | 2016-04-06 | 云南昆船环保技术有限公司 | Defibering machine for paper-making reconstituted tobacco |
| CN108126625A (en) * | 2017-12-21 | 2018-06-08 | 佛山市金银河智能装备股份有限公司 | A kind of mix conveying appliance |
| CN115488977A (en) * | 2021-06-17 | 2022-12-20 | 山鹰纸业(吉林)有限公司 | Method for separating skin and pith of corn straw and removing skin and pith together with leaves |
| CN113897812A (en) * | 2021-10-19 | 2022-01-07 | 南京林业大学 | Low-energy-consumption high-strength high-yield pulping process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201738178U (en) | Co-rotating superimposed twin screw pulping machine | |
| CN101586314B (en) | Mechanical method for making pulp by extruding sunflower stems | |
| CN104842577B (en) | single-screw extruder | |
| CN102864669A (en) | Double-screw impregnator | |
| CN209523054U (en) | Efficient pulp washing system for paper pulp production line | |
| CN202247504U (en) | Novel high-concentration hydraulic power resolving refiner | |
| CN201530946U (en) | Slurrying device for regenerating waste paper | |
| CN212128653U (en) | Shredding spiral with steam preheating function | |
| US3886035A (en) | Process for separating knots from pulp | |
| CN1064899C (en) | Cocurrent double helix concentrator | |
| CN206614825U (en) | The screw extruder being dehydrated for gas-explosive material | |
| CN202766895U (en) | Double screw rod impregnator | |
| CN204712493U (en) | single-screw extruder | |
| CN2666978Y (en) | Homodromy double-screw paper pulp mill | |
| CN111235931A (en) | Low-energy-consumption decorative base paper continuous production process and device | |
| CN104499327A (en) | Anhydrous pulping and puffing device | |
| CN201835170U (en) | Wood chip screw extruding and tearing machine | |
| CN103061189B (en) | Cylindrical pulping machine with double pulping areas | |
| CN103437229B (en) | Modularization incongruous double screw continous mode plant fibre steam explosion reforming apparatus | |
| CN1320206C (en) | Double-screw fiberizer with tooth-shape disc | |
| CN207498719U (en) | A kind of multiscrew high concentration displacement washing defibrination discongests device and slurry washing system | |
| CN102493250A (en) | Biomass waste residue squeezer | |
| CN106739087A (en) | For the screw extruder of gas-explosive material dehydration | |
| CN212077482U (en) | Pre-dewatering screen frame for plug screw | |
| CN109629300B (en) | Efficient pulping system for paper pulp production line and pulp washing process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110209 |