CN209323246U - A kind of double helix fiberizer - Google Patents

Abstract

The utility model provides a kind of double helix fiberizer, including casing and three catheters, three sections of double helix mechanisms being successively connected are equipped in the casing from left to right, every section of double helix mechanism is successively arranged the right-handed screw section with conveying effect from left to right, extrusion spiral section with dehydration and the backpitch section with cutting action, the casing is equipped with inlet port and outlet port, the top of the right-handed screw section of the double helix mechanism of left end is arranged in the feed inlet, the right of the backpitch section of the double helix mechanism of right end is arranged in the discharge port；The top of the casing is equipped with three spray heads, three spray heads, the three right-handed screw sections and three catheters correspond, one end of each catheter connects spray tank, and the other end is connected with the corresponding spray head, and the medical fluid in the spray tank is the mixed liquor of hydrogen peroxide, buck and soft water；The bottom of the casing is equipped with three leakage fluid drams, the liquid for being discharged in the casing.

Description

A kind of double helix fiberizer

Technical field

The utility model relates to paper making equipment technical field more particularly to a kind of double helix fiberizers.

Background technique

Double-screw pulp-milling, also known as double screwy roller grinded-paste machine, twin-screw rub pulp grinder, are a kind of the novel of resource-conserving Refining equipment, pulping material such as poplar piece, cotton stalk etc. is processed into certain length threadiness using extruding and incision principle by it Paper pulp, core component are double-screw pulp-milling mechanisms.Double-screw pulp-milling mechanism is to be parallel to each other, be engaged with each other by two, turned to The mechanism of identical special screw rod and machine barrel engaged therewith composition, the forward and reverse alternating of spiral on special screw rod, and it is mutually flat Corresponding spiral on capable two screw rods is mutually staggered, is intermeshed, and several skewed slots are provided on reverse acting spiral.In defibrination process In, pulping material is sent by feed inlet, and the helicla flute along transport screw moves forward, and reverse acting spiral is pushed to, in forward and reverse spiral shell Material is compressed under rotation squeezing action, and since transport screw squeezing action is larger, material is forced to pass through from the skewed slot of reverse acting spiral And be torn and rub broken, into next crush zone, repeatedly, paper pulp is milled into discharge port material.And it is squeezed in different Pressure area carries out different washings respectively, to realize cleaning, desulfurization and bleaching.

But existing double-screw pulp-milling is only used for make common paper mashing, but it is not higher for quality requirement Paper (such as currency paper) mashing, reason be currency paper using short cotton down as raw material, and cannot by addition fluorescer come It brightens, to need that the fiber of cotton is more fully cut off and washed, and needs that there is discharging mass dryness fraction higher It is required that.

Utility model content

In view of this, the embodiments of the present invention provide a kind of double helix fiberizer, has and more fully cut off cotton Flower fiber more thoroughly cleans cotton fiber, desulfurization and bleaching.

The embodiments of the present invention provide a kind of double helix fiberizer, including casing and three catheters, in the casing It is equipped with three sections of double helix mechanisms being successively connected from left to right, every section of double helix mechanism is successively arranged from left to right with defeated The right-handed screw section of effect, the extrusion spiral section with dehydration and the backpitch section with cutting action are sent, on the casing Equipped with inlet port and outlet port, the upper of the right-handed screw section of the double helix mechanism of left end is arranged in the feed inlet The right of the backpitch section of the double helix mechanism of right end is arranged in side, the discharge port；The top of the casing Equipped with three spray heads, three spray heads, the three right-handed screw sections and three catheters are corresponded, and the one of each catheter End connection spray tank, the other end are connected with the corresponding spray head, and the medical fluid in the spray tank is hydrogen peroxide, buck and soft water Mixed liquor；The bottom of the casing is equipped with three leakage fluid drams, and three leakage fluid drams are located at three extrusion spirals correspondingly The lower section of section.

Further, be equipped in the casing with three one-to-one three adjusting rings of extrusion spiral section, it is each described Adjusting ring is tensioned the adjustable periphery for being set in the corresponding extrusion spiral section of radius, by adjusting the adjusting ring Radius is tensioned to adjust the spacing between the adjusting ring and the corresponding extrusion spiral section, and the adjusting ring is equipped with net Hole.

Further, each right-handed screw Duan Jun includes fine pitch conveying section, positioned at the double helix machine of left end The right-handed screw section of structure further includes big screw pitch conveying section, and the big screw pitch conveying section is defeated by the corresponding fine pitch Section is sent to connect the extrusion spiral section in the double helix mechanism；Spacing in the big screw pitch conveying section between adjacent two spiral Greater than the spacing between adjacent two spiral in the fine pitch conveying section；The feed inlet is being located at the big screw pitch conveying section just Top.

Further, the spiral in the extrusion spiral section is several splines, offers at least one on each spline Skewed slot, the spacing between adjacent two spline are less than the spacing in the fine pitch conveying section between adjacent two spiral.

Further, the radial height of each spline is less than the diameter of each right-handed screw in each right-handed screw section To height, it is also smaller than the radial height of each backpitch in each backpitch section；And each spline is axial wide Degree is less than the axial width of each right-handed screw in each right-handed screw section, is also smaller than in each backpitch section and every The axial width of one backpitch.

Further, each double helix mechanism includes rotatable screw rod, the right-handed screw section, extrusion spiral section The corresponding screw rod is sequentially arranged in backpitch section；In the same double helix mechanism, the spline and the screw rod Angle between axial rotary is greater than the angle between the right-handed screw and the backpitch and the rotary shaft of the screw rod；Described in three Double helix mechanism shares screw rod, and the screw rod is connected to motor and can be rotated by the motor driven.

Further, each backpitch includes two sides and the top between the two sides in the backpitch section Face passes through the corner angle connection as cutter between the top surface and the two sides.

Further, the axial width of each right-handed screw in the right-handed screw section is less than every in the backpitch section The axial width of one backpitch；It is set between the backpitch section and the discharge port of the double helix mechanism of right end There is strainer, the mesh of the strainer is 0.8 ± 0.2mm.

Further, in each double helix mechanism, the length of the extrusion spiral section is most short.

Further, it is set in the casing there are three temperature control device, three temperature control devices correspond three described pairs Screw mechanism installation.

The technical solution that the embodiments of the present invention provide has the benefit that double helix described in the utility model Fiberizer, the effect of the extrusion spiral section mainly squeeze out the liquid in cotton, can be improved by medical fluid washing, take off The mass dryness fraction of cotton after sulphur and bleaching, facilitates it to be shredded by the backpitch section, the effect of the backpitch section in addition to it is described The cooperation tearing of right-handed screw section is rubbed outside broken cotton fiber, is also used to cut cotton fiber, cotton fiber is enable further to be shredded. In the medical fluid, buck is used for desulfurization, and hydrogen peroxide is for bleaching, and soft water is for rinsing, the medical fluid sprayed by each spray head, Desulfurization, bleaching and cleaning can be carried out to cotton simultaneously.Because setting, there are three the spray heads, it is thus possible to different chopping states Under cotton be carried out continuously desulfurization three times, bleaching and cleaning, compared with the prior art in successively cotton or material are cleaned, For desulfurization and bleaching, not only desulfurization is more thorough, bleaching effect also can be improved greatly, natural from having the paper pulp produced Pure white color；Because not simplifying the structure of technique with the machine simplified using more catheters and spray head.

Detailed description of the invention

Fig. 1 is the cross-sectional view of the utility model double helix fiberizer；

Fig. 2 is right-handed screw schematic diagram；

Fig. 3 is backpitch schematic diagram.

Specific embodiment

It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer Type embodiment is further described.

Referring to FIG. 1, the embodiments of the present invention provide a kind of double helix fiberizer, including casing 1 and three drains It manages, is equipped with three sections of double helix mechanisms 2,3,4 being successively connected in the casing 1 from left to right and (is located in the middle double helix in figure Omit 3 part of mechanism), it sets at the top of the casing 1 there are three spray head 13, each spray head 13 is directed at a double helix mechanism 2,3,4, three spray heads 13 are connected to spray tank respectively by three catheters, and the medical fluid in the spray tank passes through described Catheter and the spray head 13 spray.

Specifically, be equipped with the two screw rods 24 being parallel to each other in the casing 1, each screw rod 24 is equipped with spiral, two Spiral on the screw rod 24 is corresponded and is mutually staggered, and the spiral on two screw rods 24 and two screw rods 24 is by from a left side Three sections of double helix mechanisms 2,3,4 are divided into the right side.It is described to the three shared screw rods 24 of the double helix mechanism 2,3,4 Screw rod 24 is connected to motor and can be rotated by the motor driven, angle when then the three double helix mechanisms 2,3,4 rotate The size of speed is identical.

Fig. 1, Fig. 2 and Fig. 3 are please referred to, every section of double helix mechanism 2,3,4 is successively arranged from left to right, and there is conveying to make Right-handed screw section 21, the extrusion spiral section 22 with dehydration and the backpitch section 23 with cutting action, it is each described Right-handed screw section 21 includes fine pitch conveying section 212.The right-handed screw section 21 positioned at the double helix mechanism 2 of left end is gone back Including big screw pitch conveying section 211, the big screw pitch conveying section 211 is connected by the corresponding fine pitch conveying section 212 The extrusion spiral section 22 in the double helix mechanism 2.In the big screw pitch conveying section 211 between adjacent two spiral 213 between Away from about 120mm, the spacing in the fine pitch conveying section 212 between adjacent two spiral 213 is about 80mm, the big spiral shell Away from the spacing between two spiral 213 adjacent in conveying section 211 be greater than the fine pitch conveying section 212 in adjacent two spiral 213 it Between spacing.

Spiral in the extrusion spiral section 22 is several splines 221, offers an at least skewed slot on each spline 222, the spacing between adjacent two spline 221 is less than the spacing in the fine pitch conveying section 212 between adjacent two spiral. The radial height of each spline 221 is less than the radial height of each right-handed screw 213 in each right-handed screw section 21, also Less than the radial height of each backpitch 231 in each backpitch section 23.And each spline 221 is axial wide Degree is less than the axial width of each right-handed screw 213 in each right-handed screw section 21, is also smaller than each backpitch section 23 In and the axial width of each backpitch 231.

Each backpitch 231 includes two sides and the top surface between the two sides, institute in the backpitch section 23 It states by the connection of corner angle 232 as the edge of a knife between the top surface and the two sides in backpitch 231, thus described anti- When spiral 231 rotates, the cotton positioned at the backpitch section 23, can be by the corner angle 232 when rotating with the backpitch 231 Cut staple.Each right-handed screw 213 and each spline 221 are also including two sides and between the two sides Top surface, the connection smooth by rounded corner of the top surface and the two sides in the right-handed screw 213 and the spline 221. The axial width A of each right-handed screw 213 in the right-handed screw section 21 is less than each described anti-in the backpitch section 23 The axial B width of spiral 231.In the same double helix mechanism 2,3,4, the rotation of the spline 221 and the screw rod 24 Angle between axial direction is greater than the angle between the right-handed screw 213 and the backpitch 231 and the rotary shaft of the screw rod 24. In the present embodiment, rotary shaft of the spline 221 approximately perpendicular to the screw rod 24.

The casing 1 be equipped with feed inlet 11 and discharge port 12, the feed inlet 11 be located at the top of the casing 1 and Positioned at the surface of the big screw pitch conveying section 211.The institute of the double helix mechanism 4 of right end is arranged in the discharge port 12 State the right of backpitch section 23, and the backpitch section 23 of the double helix mechanism 4 of right end and the discharge port 12 it Between be equipped with strainer 5, the mesh of the strainer 5 is 0.8 ± 0.2mm.

Three spray heads 13 are set to the top of the casing 1, are set to the three fine pitch conveying sections 212 correspondingly Top, the bottom of the casing 1 is equipped with three leakage fluid drams 14, and three leakage fluid drams 14 are located at the three extruding spiral shells correspondingly Revolve the lower section of section 22.Medical fluid in the spray tank is the mixed liquor of hydrogen peroxide, buck and soft water, and buck is used to carry out cotton Desulfurization, for bleaching to cotton, soft water is used to remove the water-solubility impurity in cotton hydrogen peroxide.It is equipped in the casing 1 Three temperature control devices, three temperature control devices correspond the three double helix mechanisms 2,3,4 and install.By corresponding described Temperature control device is anti-to control chemical reaction velocity in washing process and chemistry to control temperature when medical fluid washing cotton Answer degree.

It is equipped with and three one-to-one three adjusting rings 25 of the extrusion spiral section 22, each adjusting in the casing 1 The 25 tensioning adjustable periphery for being set in the corresponding extrusion spiral section 22 of radius of circle, by adjusting the adjusting ring 25 Tensioning radius adjust the spacing between the adjusting ring 25 and the corresponding extrusion spiral section 22, thus described to adjust The extruding degree of extrusion spiral section 22, and the adjusting ring 25 is equipped with mesh.The adjusting ring 25 cooperates the extrusion spiral Section 22 squeezes the cotton for being located at the extrusion spiral section 22.

When work, cotton enters in the casing 1 from the feed inlet 11, falls into the double helix machine of left end first The big screw pitch conveying section 211 of structure 2, due to the big screw pitch conveying section 211 have biggish spiral spacing, thus have compared with Fast conveying speed can prevent cotton to be deposited in the feed inlet 11.Then the big screw pitch conveying section 211 conveys cotton To the fine pitch conveying section 212, the spiral spacing in the fine pitch conveying section 212 is smaller, therefore its conveying speed is slower, Medical fluid to spray out from the corresponding spray head 13 can be adequately sprayed at positioned at the fine pitch conveying section 212 Cotton in, and the medical fluid is made to have time enough to react with the impurity in cotton, so as to maximized right Cotton carries out desulfurization, bleaching and cleaning.Then cotton is transported to the extrusion spiral section 22, and is wrapped by the adjusting ring 25 Enclose, under the positive force of the right-handed screw section 21 and the reaction force of the backpitch section 23, cotton in the axial direction by It extruding and kneading and tears, under the position-limiting action of the adjusting ring 25, cotton is extruded rubbing in radial directions and tears, by The spline 221 in the extrusion spiral section 22 is equipped with skewed slot 222, and the skewed slot 222 increases in a circumferential direction Rubbing to cotton and tear dynamics；Medical fluid of fiber while shortening, in cotton in 22 cotton of extrusion spiral section It is discharged because being extruded, the medical fluid and extra medical fluid being extruded away are discharged by the leakage fluid dram 14.Due to the positive spiral shell The breaking-out that the positive force of rotation 213 is greater than the backpitch 231 is exerted oneself, and in each double helix mechanism 2,3,4, described to squeeze Press the length of spiral section 22 most short, final cotton is transported to the backpitch section 23, Mei Yisuo from the extrusion spiral section 22 The backpitch 231 stated in backpitch section 23 has corner angle 232, and the corner angle 232 have the function of cutter, in cotton with respect to institute When stating the movement of backpitch 231, the corner angle 232 can further cut off the fiber in cotton, keep the fiber in cotton shorter.By In be located in the middle the double helix mechanism 3 and positioned at right end the double helix mechanism 4 without the big screw pitch conveying section 211, cotton leaves to be transferred directly to described in next double helix mechanism 3 after the double helix mechanism 21 of left end Fine pitch conveying section 212 (not shown), repeats the above process, and then cotton is transported to the double helix positioned at right end again Mechanism 4, still repeats the above process, and finalization passes through the strainer 5 at slurries, exports from the discharge port 12.

The technical solution that the embodiments of the present invention provide has the benefit that double helix described in the utility model The effect of fiberizer, the extrusion spiral section 22 mainly squeezes out liquid in cotton, can be improved by medical fluid washing, The mass dryness fraction of cotton after desulfurization and bleaching, facilitates it to be shredded by the backpitch section 23, the effect of the backpitch section 23 in addition to With the right-handed screw section 21 cooperation tearing rub outside broken cotton fiber, be also used to cut cotton fiber, enable cotton fiber by into The chopping of one step.In the medical fluid, buck is used for desulfurization, and hydrogen peroxide is for bleaching, and soft water is for rinsing, by each spray head 13 The medical fluid of sprinkling can carry out desulfurization, bleaching and cleaning to cotton simultaneously.Because setting, there are three the spray heads 13, it is thus possible to Desulfurization three times, bleaching and cleaning are carried out continuously to the cotton under different chopping states, compared with the prior art in successively to cotton or Person's material cleans, for desulfurization and bleaching, not only desulfurization more thoroughly, bleaching effect also can greatly be improved, from making to make Paper pulp out has natural pure white color；Because not simplifying technique using more catheters and spray head 13 and simplifying The structure of machine.

Herein, the nouns of locality such as related front, rear, top, and bottom are to be located in figure with components in attached drawing and zero Part mutual position defines, only for the purpose of expressing the technical solution clearly and conveniently.It should be appreciated that the noun of locality Use should not limit the claimed range of the application.

In the absence of conflict, the feature in embodiment and embodiment herein-above set forth can be combined with each other.

The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims (10)

1. a kind of double helix fiberizer, it is characterised in that: including casing and three catheters, be equipped with three in the casing from left to right The double helix mechanism of Duan Yici linking, every section of double helix mechanism are successively arranged the right-handed screw with conveying effect from left to right Section, the extrusion spiral section with dehydration and the backpitch section with cutting action, the casing are equipped with feed inlet and go out The top of the right-handed screw section of the double helix mechanism of left end is arranged in material mouth, the feed inlet, and the discharge port is set It sets in the right of the backpitch section of the double helix mechanism of right end；The top of the casing is equipped with three spray heads, three institutes It states spray head, the three right-handed screw sections and three catheters to correspond, one end of each catheter connects spray tank, separately One end is connected with the corresponding spray head, and the medical fluid in the spray tank is the mixed liquor of hydrogen peroxide, buck and soft water；The machine The bottom of shell is equipped with three leakage fluid drams, and three leakage fluid drams are located at the lower section of the three extrusion spiral sections correspondingly.

2. double helix fiberizer as described in claim 1, it is characterised in that: be equipped with and three extrusion spirals in the casing One-to-one three adjusting ring of section, radius is adjustable is set in the corresponding extrusion spiral for each adjusting ring tensioning The periphery of section, adjusted by adjusting the tensioning radius of the adjusting ring adjusting ring and the corresponding extrusion spiral section it Between spacing, and the adjusting ring be equipped with mesh.

3. double helix fiberizer as described in claim 1, it is characterised in that: each right-handed screw Duan Jun includes that fine pitch is defeated Section is sent, the right-handed screw section positioned at the double helix mechanism of left end further includes big screw pitch conveying section, and the big screw pitch is defeated Section is sent to connect the extrusion spiral section in the double helix mechanism by the corresponding fine pitch conveying section；The big spiral shell It is greater than the spacing in the fine pitch conveying section between adjacent two spiral away from the spacing between two spiral adjacent in conveying section；It is described Feed inlet is located at the surface of the big screw pitch conveying section.

4. double helix fiberizer as claimed in claim 3, it is characterised in that: if the spiral in the extrusion spiral section is dried flower Key offers an at least skewed slot on each spline, and the spacing between adjacent two spline is conveyed less than the fine pitch Spacing in section between adjacent two spiral.

5. double helix fiberizer as claimed in claim 4, it is characterised in that: the radial height of each spline is less than each The radial height of each right-handed screw in the right-handed screw section is also smaller than the diameter of each backpitch in each backpitch section To height；And the axial width of each spline is less than the axial width of each right-handed screw in each right-handed screw section, It is also smaller than the axial width of in each backpitch section and each backpitch.

6. double helix fiberizer as claimed in claim 4, it is characterised in that: each double helix mechanism includes rotatable Screw rod, the right-handed screw section, extrusion spiral section and backpitch section are sequentially arranged in the corresponding screw rod；In same double spiral shells It revolves in mechanism, the angle between the spline and the axial rotary of the screw rod is greater than the right-handed screw and the backpitch and is somebody's turn to do Angle between the rotary shaft of screw rod；The three double helix mechanisms share screw rod, and the screw rod is connected to motor and can be by institute State motor driven rotation.

7. double helix fiberizer as described in claim 1, it is characterised in that: each backpitch includes two in the backpitch section Side and the top surface between the two sides pass through the corner angle company as cutter between the top surface and the two sides It connects.

8. double helix fiberizer as described in claim 1, it is characterised in that: each right-handed screw in the right-handed screw section Axial width be less than the backpitch section in each backpitch axial width；The double helix mechanism of right end Strainer is equipped between the backpitch section and the discharge port, the mesh of the strainer is 0.8 ± 0.2mm.

9. double helix fiberizer as described in claim 1, it is characterised in that: in each double helix mechanism, the extruding The length of spiral section is most short.

10. double helix fiberizer as described in claim 1, it is characterised in that: temperature control device there are three being set in the casing, three A temperature control device corresponds the three double helix mechanism installations.