CN107541977A - A kind of multiscrew high concentration displacement washing defibrination discongests device and slurry washing system - Google Patents
A kind of multiscrew high concentration displacement washing defibrination discongests device and slurry washing system Download PDFInfo
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- CN107541977A CN107541977A CN201710924178.9A CN201710924178A CN107541977A CN 107541977 A CN107541977 A CN 107541977A CN 201710924178 A CN201710924178 A CN 201710924178A CN 107541977 A CN107541977 A CN 107541977A
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- 239000002002 slurry Substances 0.000 title claims abstract description 117
- 238000005406 washing Methods 0.000 title claims abstract description 89
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 69
- 239000007788 liquid Substances 0.000 claims abstract description 35
- 238000012545 processing Methods 0.000 claims description 17
- 230000018044 dehydration Effects 0.000 claims description 7
- 238000006297 dehydration reaction Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 230000008719 thickening Effects 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 238000011282 treatment Methods 0.000 description 13
- 238000005265 energy consumption Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 239000003814 drug Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229940079593 drug Drugs 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention discloses a kind of highly concentrated displacement washing defibrination of multiscrew to discongest device,Including the internal cylinder with chamber,To slurry extrude the first motor that the extruding rubbing part of rubbing and driving extruding rubbing part rotate,Extruding rubbing part is installed in chamber,Along the axial direction of the chamber of cylinder,Extruding rubbing part is divided at least two extruding rubbing areas,Each extruding rubbing area includes a positive-pressure spiral area and a back-pressure helical region,Area junction, which is crumpled, per two neighboring extruding is provided with gap,Some high pressure liquid filling holes are provided with corresponding to the cylinder in the circumferential direction of gap,Also include the lining tile between being arranged on the inside of extruding rubbing member outside and cylinder,Lining tile offers some through holes along the axial and circumferential directions,Some outages are provided with cylinder,The liquid that at least two extruding rubbing areas squeeze out is discharged on the outside of cylinder by some through holes and some outages.When the device handles high consistency stock, production capacity can be improved, saves slurry, while power consumption can be reduced to reduce cost.
Description
Technical field
The present invention relates to pulp industry technical field, and in particular to a kind of multiscrew high concentration displacement washing defibrination discongests dress
Put and discongested including the multiscrew high concentration displacement washing defibrination slurry washing system of device.
Background technology
At present, quickly, associated technology is also more and more concerned for slurrying industry development, such as in paper-making process,
Often take and displacement washing is carried out to high concentration slurry, be because to high concentration slurry clean ratio directly to low concentration slurry
The effect cleaned is more preferable, but how to carry out displacement washing to high concentration slurry, i.e., which kind of equipment to remove the slurry using
In contained some moisture and some chemical agents, it to reach the standard required by technique, is related skill that its concentration, which is lifted,
Art problem.
In view of the above-mentioned problems, in the prior art, people are usually located using belt filter press or double rod press masters
Reason, but the extruding that single belt filter press or double rod press masters can only be carried out once to slurry is washed, after single treatment, slurry
Concentration can only achieve 30% or so, it does not often reach the standard required by technique, therefore, firstly the need of the slurry to low concentration
Material carries out the extrusion process of single, and the slurry less to obtained moisture carries out processing several times again afterwards, up to standard to obtain
High concentration slurry, it is handled often through following two modes：
1st, need the slurry Jing Guo single treatment being repeated several times by the belt filter press or double rod press masters to enter
The multiple extruding washing of row is handled to complete the displacement washing of high concentration slurry；
2nd, need more belt filter presses or double rod press masters being together in series uses, to carry out repeatedly slurry
Washing is handled to complete the displacement washing of high concentration slurry.
Above two processing mode be present, a certain amount of when handling firstly, for the first processing mode
During slurry, the required time is longer, and production capacity is less, and treatment effeciency is relatively low, and secondly, for second of processing mode, required is dynamic
Power energy consumption is larger, and equipment manufacturing costs are higher.
Therefore, when carrying out displacement washing to the slurry of high concentration, it is higher while consume less how to provide a kind of production capacity
Power is become in order to which the technology that those skilled in the art are badly in need of solving is asked with reducing the high concentration slurry displacement washing device of cost
Topic.
The content of the invention
Present invention solves the technical problem that being, the equipment used in the prior art is entered line replacement to the slurry of high concentration and washed
When washing, treatment effeciency is relatively low, and power consumption is larger, and cost is higher, in order to solve the above technical problems, thus providing a kind of slurry
The highly concentrated displacement washing defibrination of material washing system discongests device.
The highly concentrated displacement washing defibrination of the slurry washing system of the present invention discongests device, including the internal cylinder with chamber
The first motor that body, the extruding rubbing part for slurry extrude rubbing and the driving extruding rubbing part rotate, it is described
Extruding rubbing part is installed in the chamber, and along the axial direction of the chamber of the cylinder, the extruding rubbing part is divided at least
Two extruding rubbing areas, each described extruding rubbing area includes a positive-pressure spiral area and a back-pressure helical region, per adjacent
Two extruding rubbing area junctions are provided with gap, are provided with corresponding to the cylinder in the gap circumferential direction some
High pressure liquid filling hole, in addition to the lining tile being arranged between the extruding rubbing member outside and cylinder inner side, the lining tile
Some through holes are offered along the axial and circumferential directions, and some outages, at least two extruding rubbing area are provided with the cylinder
The liquid squeezed out is discharged on the outside of the cylinder by some through holes and some outages.
Preferably, the percent opening of the lining tile is 12-28%, in the through-hole diameter on the lining tile be 0.7-
1.2mm。
Preferably, being bellmouth in the through hole on the lining tile, part is crumpled in small openend towards the extruding,
Big opening end is towards the cylinder.
Preferably, when the cylinder is horizontal positioned, corresponding on the side of the cylinder in the gap circumferential direction
Side is provided with some high pressure liquid filling holes.
Preferably, the lining tile by some unit lining tiles splicing form, some unit lining tiles removably with
The cylinder is connected.
Preferably, the extruding rubbing part includes at least two parallel to each other, rotating Vortex screw rods, every
The screw rod includes mandrel and some first screw-casings coaxial with mandrel, some first screw-casings include it is at least one just
The first screw-casing and the screw-casing of at least one back-pressure first are pressed, some first screw-casings are socketed in the core vertically successively
On axle；The corresponding axial location at least on two screw rods is socketed the screw-casing of malleation first and the spiral of malleation first
Space between set be present to form positive-pressure spiral area, the corresponding axial location at least on two screw rods is socketed described anti-
Press between the first screw-casing and the screw-casing of back-pressure first and space be present to form back-pressure helical region.
Preferably, the screw-casing of malleation first be reducing displacement either with footpath with the spiral away from or with footpath displacement
Set, the screw-casing of back-pressure first are reducing displacement either with footpath with the screw-casing away from or with footpath displacement.
Preferably, between two adjacent extruding rubbing areas, baffle ring is socketed on the every mandrel and forms institute
State gap.
Preferably, also include circumferential bistrique, one or the part back-pressure helical region are by described at least on two screw rods
Corresponding axial location be socketed and space be present between the circumferential bistrique and circumferential bistrique and formed.
Preferably, along the feedstock direction of slurry, the front end of first screw-casing of the every mandrel also set up into
Expect screw-casing, the feed auger set is more than the pitch of the screw-casing of malleation first for positive-pressure spiral set and its pitch.
Preferably, the cylinder includes upper shell and lower shell, the upper shell and the lower shell removably connect
Connect the composition cylinder, axial and circumferential distribution of the outage along the cylinder.
Preferably, also include the sealed bundle sealing shroud spread on the outside of the cylinder and the row being connected with the sealing shroud
Liquid disposable box, the liquid that at least two extruding rubbing area squeezes out pass through some through holes on the lining tile, the discharge opeing
Hole is discharged on the outside of cylinder and enters the discharge opeing disposable box.
The present invention also provides a kind of slurry washing system, successively including low concentration slurry in conveying in the horizontal direction and to it
Carry out the horizontal feed device of thickening processing, the vertical feeding device of vertically conveying dehydration disposed slurry and to dehydration
The highly concentrated displacement washing defibrination of multiscrew that disposed slurry is washed discongests device, and the highly concentrated displacement washing defibrination of multiscrew is discongested
Device is that the highly concentrated displacement washing defibrination of multiscrew described above discongests device.
Preferably, the horizontal feed device includes horizontal positioned housing, the top of the housing is provided with low concentration
Slurry import, the lower section connection drainpipe of the housing, installation settings has the cylinder screen cylinder of some sieve apertures in the housing, described
The second screw-casing is provided with cylinder screen cylinder, second screw-casing is connected as it and provides the second motor of power.
Preferably, second screw-casing be reducing displacement or with footpath with away from screw-casing.
Preferably, the vertical feeding device includes cylinder and the 3rd screw-casing that is arranged in the cylinder, the 3rd
Screw-casing is connected as it and provides the 3rd motor of power.
The highly concentrated displacement washing defibrination of multiscrew of slurry washing system provided by the present invention discongests device, has with following
Beneficial effect：
1st, the highly concentrated displacement washing defibrination of the multiscrew is discongested in device, including is internally provided with and is carried out extruding rubbing to slurry
Extruding rubbing part cylinder, and the extruding rubbing part be divided at least two rubbing crush zones, each extruding rubbing area
Including a positive-pressure spiral area and a back-pressure helical region, gap is provided with the junction for crumpling area per two neighboring extruding, should
Corresponding cylinder is provided with some high pressure liquid filling holes in the circumferential direction of gap, in addition to is arranged at extruding rubbing member outside and cylinder
The lining tile provided with some through holes between internal side, some outages is provided with cylinder, at least two extruding rubbing areas extrude
The liquid gone out is discharged on the outside of cylinder by some through holes and some outages.When the device works, slurry enters extruding and crumpled
Area, positive-pressure spiral area and back-pressure helical region are passed sequentially through, during being somebody's turn to do, the pressure suffered by slurry incrementally increases, and reaches one most
After big value, suffered pressure is gradually reduced again, and in the pressure area, i.e., slurry crumples the positive-pressure spiral area in area by first extruding
During with back-pressure helical region, extruding rubbing part applies extruding rubbing power to slurry, carries out extruding rubbing, removes moisture removal and some medicines
Thing impurity, while the junction in first extruding rubbing area and second extruding rubbing area has gap, so, slurry is transported to
During the junction in adjacent extruding rubbing area, suffered extruding rubbing dynamics reduces, and corresponding cylinder is provided with some high herein
Liquid filling hole is pressed, liquid is entered the gap location by some high pressure liquid filling holes, sufficiently washed with the slurry to puffy, it
Afterwards, then by next extruding area is crumpled, carries out the extruding rubbing to slurry, liquid is removed, consequently, it is possible to which slurry often passes through one
Individual extruding rubbing area, is just extruded by positive-pressure spiral area and back-pressure helical region, and slurry often crumples area by two neighboring extruding
Junction, can to complete to replace the once washing of slurry, according to production requirement, can will extruding rubbing part be divided into it is some
Extruding rubbing area, multiple extruding rubbing can be carried out to the slurry of conveying and washing is replaced, compared to the washing of prior art
Equipment and mode, after discongesting device using the highly concentrated displacement washing defibrination of the multiscrew, production capacity can be improved, while power can be reduced and disappeared
Consume to reduce cost.
The 2nd, lining tile is set, and the percent opening of lining tile is 12-28%, the through-hole diameter on lining tile is 0.7-1.2mm, first,
Lining tile is set, the intensity of the device is improved, can increase the service life, secondly lining tile is provided with the small type hole of some high density,
While can ensureing that the acceptable fiber in slurry will not be directly discharged to outside cylinder by the through hole.
3rd, some high pressure liquid filling holes are provided with above the side of cylinder, it is easy to operation.
4th, when screw rod is set, the first screw-casing is detachably arranged on mandrel, maintained easily, meanwhile, also can basis
Production needs the set-up mode of the first screw-casing of adjustment in time.
The 5th, circumferential bistrique is set, meanwhile, part back-pressure helical region can be replaced by circumferential bistrique, be easy to being rubbed with the hands by extruding
Slurry after rubbing is discongested, and is discongested the slurry after arranging and is convenient for cleaning, and cleaning performance is good.
Low concentration slurry and it is entered present invention also offers a kind of slurry washing system, including in conveying in the horizontal direction
Row thickening processing horizontal feed device, vertically conveying dehydration disposed slurry vertical feeding device and to dehydration after
The highly concentrated displacement washing defibrination of multiscrew that slurry is washed discongests device, wherein, the highly concentrated displacement washing defibrination of multiscrew is discongested
The highly concentrated displacement washing defibrination of device multiscrew described above discongests device.
The slurry washing system, including the highly concentrated displacement washing defibrination of above-mentioned multiscrew discongest device, can be compared with low energy
The washing displacement to high consistency stock is completed in the case of consumption, and production capacity is also larger, while there is provided low in conveying in the horizontal direction
Consistency pulp and the horizontal feed device that thickening processing is carried out to it, so the slurry washing system, as an entirety
Equipment, the slurry of middle low concentration is subjected to dewater treatment first, then the high consistency stock after dewater treatment is subjected to washing displacement, one
Platform equipment is to complete carrying out washing treatment to low underflow material, can save energy consumption, and can solve because being occupied processing equipment more compared with
The problem of big field of employment.
Brief description of the drawings
Fig. 1 is the extruding rubbing part that a kind of highly concentrated displacement washing defibrination of multiscrew provided by the present invention discongests device
A kind of structural representation of embodiment；
Fig. 2 is a kind of structural representation of a kind of embodiment of slurry washing system provided by the present invention；
Fig. 3 is the structural representation of the upper shell of Fig. 2 middle cylinder bodies；
Fig. 4 is Fig. 3 side view；
Fig. 5 is the structural representation of the lower shell of Fig. 2 middle cylinder bodies.
Reference in Fig. 1-5 is as follows：
1 extruding rubbing part, 11 extruding rubbing areas, 111 first extruding rubbing areas, 112 second extruding rubbing areas, 113 the
Three extruding rubbing areas, 114 the 4th extruding rubbing areas, 12 gaps, 13, mandrel, 14 the first screw-casings of malleation, 15 the first spirals of back-pressure
Set；
2 cylinders, 21 high pressure liquid filling holes, 22 upper shells, 23 lower shells；
3 circumferential bistriques；
4 lining tiles, 41 through holes；
5 horizontal feed devices, 51 housings, 52 slurry imports, 53 drainpipes, 54 cylinder screen cylinders, 55 second screw-casings, 56
Two motors；
6 vertical feeding devices, 61 the 3rd cylinders, 62 the 3rd motors.
Embodiment
The highly concentrated displacement washing defibrination of multiscrew of the present invention discongests device when being washed to slurry, can be in the device
The multiple washing displacement to high consistency stock is completed, while improving production capacity, also reduces the consumption of kinetic energy, it is cost-saved.
In order to enable those skilled in the art to be better understood from the present invention, with reference to the accompanying drawings and detailed description
The invention will be further described.
As Figure 1-5, Fig. 1 is that a kind of highly concentrated displacement washing defibrination of multiscrew provided by the present invention discongests squeezing for device
A kind of structural representation of embodiment of pressure rubbing part, Fig. 2 is a kind of slurry washing system provided by the present invention
A kind of embodiment structural representation, Fig. 3 is the structural representation of the upper shell of Fig. 2 middle cylinder bodies, and Fig. 4 is Fig. 3
Side view, Fig. 5 are the structural representation of the lower shell of Fig. 2 middle cylinder bodies.
A kind of multiscrew of slurry washing system highly concentrated displacement washing defibrination is provided in the invention and discongests device, including to height
The slurry of concentration extrude the extruding rubbing part 1 of rubbing, in addition to the first motor that driving extruding rubbing part 1 rotates,
Certainly, the power source of driving extruding rubbing part 1 is not limited to only motor；The device also includes the internal cylinder 2 with chamber,
Wherein, extruding rubbing part 1 is installed in cylinder 2, and the first motor is mountable in cylinder 2, or can also be arranged on cylinder 2
Outside；Along the axial direction of the chamber of cylinder 2, it is at least two extruding rubbing areas 11 that the extruding rubbing part 1 of the device, which divides, each
Individual extruding rubbing area 11 includes a positive-pressure spiral area and a back-pressure helical region, meanwhile, crumple area 11 per two neighboring extruding
Junction be provided with gap 12, the implication in gap 12, show to be not provided with positive-pressure spiral area or back-pressure helical region at this, and simultaneously
Be not at this no any part and the occurrence of the bottom that slurry is dropped in cylinder 2 may be made, i.e. slurry was by should
It can still be conveyed during gap 12 along before the axial direction of chamber, meanwhile, corresponding to corresponding cylinder in circumferential direction at the gap 12
Body 2 is provided with some high pressure liquid filling holes 21, it should be understood that when, positive-pressure spiral area and back-pressure helical region extrude to slurry
When, the pressure of extruding force, up to 70 kilograms that can be very big to slurry generation, so, liquid is typically by pressurized treatments
Area is discharged in pressure afterwards, could be entered by the high pressure medicine feeding hole 21 in chamber and slurry is washed, measuring pump pair can be selected
Liquid is pressurizeed, but not limited to this.Meanwhile in addition to it is arranged between the outside of extruding rubbing part 1 and the inner side of cylinder 2
Lining tile 4, the axial and circumferential of lining tile 4 are provided with some through holes 41, and cylinder 2 is provided with some outages, at least two extruding rubbings
The liquid that area 11 squeezes out is discharged into the outside of cylinder 2 by some through holes 41 and some outages.
When the device works, slurry enters extruding rubbing area 11, passes sequentially through positive-pressure spiral area and back-pressure helical region, the mistake
Cheng Zhong, the pressure suffered by slurry are incrementally increased, and after reaching a maximum, suffered pressure is gradually reduced again, in the pressure area,
When i.e. slurry crumples the positive-pressure spiral area and back-pressure helical region in area 11 by first extruding, extruding rubbing part 1 is applied to slurry
Add extruding rubbing power, carry out extruding rubbing, to remove moisture removal and some impurity of the drug, while area 11 and the are crumpled in first extruding
The junction in two extruding rubbing areas 11 has gap 12, so, when slurry is transported to the junction in adjacent extruding rubbing area 11,
Suffered extruding rubbing dynamics reduces, and corresponding cylinder 2 is provided with some high pressure liquid filling holes 21 herein, and liquid passes through some high
Press liquid filling hole 21 to enter at the gap 12, sufficiently washed with the slurry to puffy, and then pass through next extruding
Area 11 is crumpled, the extruding rubbing to slurry is carried out, removes liquid, consequently, it is possible to which slurry often crumples area 11 by an extruding, just
Being extruded by positive-pressure spiral area and back-pressure helical region, slurry often crumples the junction in area 11 by two neighboring extruding,
Replaced with the once washing completed to slurry, according to production requirement, extruding rubbing part 1 can be divided for some extruding rubbing areas
11, multiple extruding can be carried out to the slurry of conveying and crumple and wash displacement, washing facility and side compared to prior art
Formula, after discongesting device using the highly concentrated displacement washing defibrination of the multiscrew, production capacity can be improved, while power consumption can be reduced to reduce
Cost.
The liquid added by high pressure liquid filling hole 21 can be washings or washing decoction, can be needed to carry out according to production
Selection.
Preferably, the percent opening of lining tile 4 is 12-28%, in 41 a diameter of 0.7-1.2mm of through hole on lining tile 4.The present invention
In, first, lining tile 4 is set, the intensity of the device is improved, can increase the service life, secondly lining tile 4 is provided with some high density
Small type hole, it is ensured that the fiber in slurry will not be directly discharged to outside cylinder 2 by the through hole.
Preferably, it is bellmouth in the through hole 41 on lining tile 4, part 1 is crumpled in the small openend of bellmouth towards extruding, greatly
Openend is towards cylinder 2.Small opening is arranged such towards extruding rubbing part 1, the fiber in slurry can be avoided to be extruded stranding
Through hole 41 is squeezed into during rubbing, and then blocks through hole 41.
Further, it is circumferential corresponding to gap 12 when cylinder 2 is horizontal positioned as shown in figure 4, in present embodiment
Some high pressure liquid filling holes 21 are provided with above the side of cylinder 2 on direction.Some high pressure liquid filling holes 21 are provided with above the side of cylinder 2,
It is easy to filling operation.
In present embodiment, as shown in Figure 3 and Figure 5, lining tile 4 is made up of the splicing of some unit lining tiles, some units
Lining tile is removably connected with cylinder 2.It is arranged such, is easy to safeguard lining tile 4, also allows for the dismounting peace of integral device
Dress.
In present embodiment, extruding rubbing part 1 includes at least two parallel to each other, rotating Vortex screw rods, often
Root screw rod includes mandrel 13 and some first screw-casings coaxial with mandrel 13, and some first screw-casings include at least one malleation
First screw-casing 14 and the first screw-casing of at least one back-pressure 15, some first screw-casings are socketed in mandrel 13 vertically successively
On；Corresponding axial location at least on two screw rods is socketed between the first screw-casing of malleation 14 and the first screw-casing of malleation 14
Space be present to form positive-pressure spiral area, at least corresponding axial location on two screw rods is socketed the first screw-casing of back-pressure 15
And space be present between the first screw-casing of back-pressure 15 to form back-pressure helical region.
As shown in figure 1, being provided that two mandrels 13, two mandrels 13 are parallel, are arranged side by side, and carry out the rotation of equidirectional
Turn, in rotary course, mutually corresponding malleation the first screw-casing 14 by the slurry between screw-casing to being entered on two mandrels 13
Row extruding rubbing, equally, mutually corresponding back-pressure the first screw-casing 15 is to passing through the slurry between screw-casing on two mandrels 13
Carry out extruding rubbing, it is clear that more mandrels 13 can also be set.
Some first screw-casings, i.e., some the first screw-casings of malleation 14 and the first screw-casing of some back-pressures 15 are removably set
It is placed on mandrel 13, maintains easily, the set-up mode of the first screw-casing of adjustment in time can be needed according to production.
Thus, longer mandrel 13 can be selected, along the axial direction of mandrel 13, be easy to set more extruding to crumple area
11, washed with carrying out multiple extruding to slurry, after the device, the concentration of fiber can reach more than 45%, relative to
The processing of the equipment such as belt filter press of the prior art, the device, can be expeditiously in the case where consuming less energy consumption
Obtain the slurry of higher concentration, certainly, extruding rubbing part 1 shape not limited to this, as long as can on the conveying direction of slurry,
It is easy to divide extruding rubbing part 1 for some extruding scrubbing sections 11.
Preferably, the first screw-casing of malleation 14 be reducing displacement either with footpath with the screw-casing away from or with footpath displacement, instead
Press the first screw-casing 15 for reducing displacement either with footpath with the screw-casing away from or with footpath displacement.In same extruding rubbing area 11
In, the selection mode of the first screw-casing of malleation 14 can be differently configured from the selection mode of the first screw-casing of back-pressure 15, thus, either
Selection set-up mode for single the first screw-casing of malleation 14 or the first screw-casing of single back-pressure 15 is not unique.
In present embodiment, between two adjacent extruding rubbing areas, baffle ring shape is socketed on every mandrel
Into gap, baffle ring is set, on the one hand can be very good to fix the first screw-casing, secondly, baffle ring will extrude rubbing part 1 and separate
Come, form multiple extruding rubbing areas 11, and the position at baffle ring may be constructed the gap 12 between described extruding rubbing area 11.
The set-up mode, easily realize.
As shown in figure 1, in present embodiment, the quantity in extruding rubbing area 11 is four, the first extruding rubbing area 111
Some high pressure liquid filling holes 21, the second extruding rubbing area 112 and the 3rd extruding rubbing are provided with the second extruding rubbing junction of area 112
The junction of area 113 is provided with some high pressure liquid filling holes 21, and the 3rd extruding rubbing area 113 and the 4th extruding rubbing junction of area 114 is set
Have some high pressure liquid filling holes 21, quantity is not limited to may be only configured to 4, in practical operation, can according to the total amount of the slurry of processing,
Carry out the quantity in reasonable selection extruding rubbing area 11.
In the present invention, in addition to circumferential bistrique 3, one or part back-pressure helical region are as corresponding at least on two screw rods
Axial location, which is socketed between circumferential bistrique 3 and circumferential bistrique 3 and space be present, to be formed.
Circumferential bistrique 3 is set, meanwhile, part back-pressure helical region can be replaced by circumferential bistrique 3, be easy to being rubbed with the hands by extruding
Slurry after rubbing is discongested, and is discongested the slurry after arranging and is convenient for cleaning, and cleaning performance is good.
In present embodiment, as shown in figure 1, the caudal end in extruding rubbing area 11 is provided with circumferential bistrique 3, should
Understand, set-up mode not limited to this.
As shown in figure 1, in present embodiment, along the feedstock direction of slurry, the first screw-casing of every mandrel 13
Front end also sets up feed auger set, and feed auger set is more than the spiral shell of the first screw-casing of malleation 14 for positive-pressure spiral set and its pitch
Away from.It should be appreciated that the pitch not limited to this of feed auger set, as long as it can be along the axial direction conveying slurry of mandrel 13.
In present embodiment, cylinder 2 includes upper shell 22 and lower shell 23, and upper shell 22 and lower shell 23 are detachable
Connection composition cylinder 2, the axial and circumferential on cylinder 2 are provided with some outages.The split settings of cylinder 2, are easily installed and make
Maintenance and repair in, the set-up mode not limited to this of the outage on cylinder 2, as long as some through holes 41 can be excluded in time
Fluid removal is to the outside of cylinder 2.
The discharge opeing disposable box for also spreading on the sealing shroud in the outside of cylinder 2 including sealed bundle and being connected with sealing shroud, at least two
The liquid that individual extruding rubbing area 11 squeezes out is discharged into the outside of cylinder 2 by some through holes 41, the outage on lining tile 4 and entered
Discharge opeing disposable box.Sealing shroud and drainage collection box are set, to collect the liquid discharged after washing, avoid it from being discharged into outer
Boundary and pollute environment.
The highly concentrated displacement washing defibrination of multiscrew described above discongests device, be to low underflow material in after treatment i.e.
The processing of high consistency stock, in the prior art, the slurry of centering low concentration is needed to carry out drainage sunk well first, at this time, it may be necessary to have individually
Device is handled low dense slurry, after the completion of pending, then the high consistency stock formed after processing is carried out into washing displacement, single
The process of conveying transhipment slurry after the processing and processing of only device, can expend larger energy consumption, and cost is higher, thus,
To reduce the consumption of energy consumption, slurry is saved, to reduce cost, present invention also offers a kind of slurry washing system.
A kind of slurry washing system provided, include low concentration slurry in conveying in the horizontal direction successively and it is carried out
Thickening processing horizontal feed device 5, vertically conveying dehydration disposed slurry vertical feeding device 6 and to dehydration after
The highly concentrated displacement washing defibrination of multiscrew that slurry is washed discongests device, wherein, the highly concentrated displacement washing defibrination of multiscrew is discongested
Device is that the highly concentrated displacement washing defibrination of multiscrew described above discongests device.
The slurry washing system, including the highly concentrated displacement washing defibrination of above-mentioned multiscrew discongest device, can be compared with low energy
The washing displacement to high consistency stock is completed in the case of consumption, and production capacity is also larger, while there is provided low in conveying in the horizontal direction
Consistency pulp and the horizontal feed device 5 that dewater treatment is carried out to it, so the slurry washing system, sets as an entirety
It is standby, first in the slurry of low concentration is subjected to dewater treatment, then the high consistency stock after dewater treatment is subjected to washing displacement, one
Equipment is to complete the carrying out washing treatment of the low underflow material of centering, can save energy consumption, saves slurry, and can solve because processing is set
The problem of larger field of employment being occupied for more.
In a kind of embodiment, as shown in Fig. 2 horizontal feed device 5 includes horizontal positioned housing 51, housing
51 top is provided with middle low concentration slurry import 52, the lower section connection drainpipe 53 of housing 51, if there is installation settings in housing 51
Do the cylinder screen cylinder 54 in water hole, cylinder screen cylinder is provided with some sieve apertures, is provided with the second screw-casing 55 in cylinder screen cylinder 54, and second
Screw-casing 55 is connected as it and provides the second motor 56 of power.After the slurry of middle low concentration enters horizontal feed device 5,
In the presence of second screw-casing 55 and cylinder screen cylinder 54, while the slurry of middle low concentration is conveyed, also it is extruded, after extruding
Water enter drainpipe 53 by some sieve apertures, and then discharge, to obtain the slurry of high concentration.
Preferably, as shown in Fig. 2 the second screw-casing 55 be reducing displacement or with footpath with away from screw-casing.
Further, in the embodiment, as shown in Fig. 2 vertical feeding device 6 includes the 3rd cylinder 61 and set
The 3rd screw-casing (not shown) in the 3rd cylinder 61, the 3rd screw-casing are connected as it and provide the 3rd motor of power
62.The extruding of 3rd screw-casing promotes slurry to carry out the coupled highly concentrated displacement washing defibrination of logical multiscrew and discongests device.
Above example is only the exemplary embodiment of the present invention, is not used in the limitation present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art make various in the essence and protection domain of the present invention to the present invention
Modification or equivalent substitution are also within the scope of the present invention.
Claims (16)
1. a kind of highly concentrated displacement washing defibrination of multiscrew discongests device, it is characterised in that including the internal cylinder with chamber, right
The first motor that slurry extrude the extruding rubbing part of rubbing and drives the extruding rubbing part to rotate, the extruding are rubbed with the hands
Rub part to be installed in the chamber, along the axial direction of the chamber of the cylinder, the extruding rubbing part is divided at least two and squeezed
Pressure rubbing area, each described extruding rubbing area includes a positive-pressure spiral area and a back-pressure helical region, per two neighboring institute
State extruding rubbing area junction and be provided with gap, add corresponding to the cylinder in the gap circumferential direction provided with some high pressures
Fluid apertures, in addition to the lining tile being arranged between the extruding rubbing member outside and cylinder inner side, the lining tile is vertically
Some through holes are offered with circumferential, some outages are provided with the cylinder, at least two extruding rubbing area squeezes out
Liquid be discharged into by some through holes and some outages on the outside of the cylinder.
2. the highly concentrated displacement washing defibrination of multiscrew according to claim 1 discongests device, it is characterised in that the lining tile
Percent opening is 12-28%, in the through-hole diameter on the lining tile be 0.7-1.2mm.
3. the highly concentrated displacement washing defibrination of multiscrew according to claim 1 discongests device, it is characterised in that on the lining tile
The through hole be bellmouth, small openend is towards the extruding rubbing part, and big opening end is towards the cylinder.
4. the highly concentrated displacement washing defibrination of multiscrew according to claim 1 discongests device, it is characterised in that the cylinder water
During placing flat, some high pressure liquid filling holes are provided with corresponding to the side top of the cylinder in the gap circumferential direction.
5. the highly concentrated displacement washing defibrination of multiscrew according to claim 1 discongests device, it is characterised in that the lining tile by
Some unit lining tile splicing compositions, some unit lining tiles are removably connected with the cylinder.
6. the highly concentrated displacement washing defibrination of multiscrew according to claim 1 discongests device, it is characterised in that the extruding is rubbed with the hands
Rubbing part includes at least two parallel to each other, rotating Vortex screw rods, and the every screw rod includes mandrel and same with mandrel
Some first screw-casings of axle, some first screw-casings include at least one screw-casing of malleation first and at least one back-pressure
First screw-casing, some first screw-casings are socketed on the mandrel vertically successively；It is described at least on two screw rods
Corresponding axial location, which is socketed between the screw-casing of malleation first and the screw-casing of malleation first, has space to form malleation
Helical region, the corresponding axial location at least on two screw rods are socketed the screw-casing of back-pressure first and the spiral shell of back-pressure first
Space between rotation set be present to form back-pressure helical region.
7. the highly concentrated displacement washing defibrination of multiscrew according to claim 6 discongests device, it is characterised in that the malleation
One screw-casing is that reducing displacement either becomes with footpath with the screw-casing away from or with footpath displacement, the screw-casing of back-pressure first for reducing
Away from either with footpath with the screw-casing away from or with footpath displacement.
8. the highly concentrated displacement washing defibrination of multiscrew according to claim 6 discongests device, it is characterised in that positioned at adjacent
Between two extruding rubbing areas, it is socketed baffle ring on the every mandrel and forms the gap.
9. the highly concentrated displacement washing defibrination of multiscrew according to claim 6 discongests device, it is characterised in that also includes circumferential
Bistrique, one or the part back-pressure helical region are socketed the week by the corresponding axial location at least on two screw rods
Formed to space be present between bistrique and circumferential bistrique.
10. the highly concentrated displacement washing defibrination of multiscrew according to claim 6 discongests device, it is characterised in that along slurry
Feedstock direction, the front end of first screw-casing of the every mandrel also set up feed auger set, and the feed auger set is
Positive-pressure spiral covers and its pitch is more than the pitch of the screw-casing of malleation first.
11. the highly concentrated displacement washing defibrination of multiscrew according to claim 1 discongests device, it is characterised in that the cylinder
Including upper shell and lower shell, the upper shell and the lower shell removably connect the composition cylinder, the outage
It is distributed along the axial and circumferential of the cylinder.
12. the highly concentrated displacement washing defibrination of multiscrew according to claim 1 discongests device, it is characterised in that also including close
Sealing shroud that package is spread on the outside of the cylinder and the discharge opeing disposable box being connected with the sealing shroud, at least two extruding
The rubbing liquid that squeezes out of area be discharged into by some through holes on the lining tile, the outage on the outside of cylinder enter it is described
Discharge opeing disposable box.
13. a kind of slurry washing system, include low concentration slurry in conveying in the horizontal direction successively and thickening is carried out to it
The horizontal feed device of processing, vertically conveying are dehydrated the vertical feeding device of disposed slurry and dehydration disposed slurry are washed
The highly concentrated displacement washing defibrination of multiscrew washed discongests device, it is characterised in that the highly concentrated displacement washing defibrination of multiscrew is discongested
Device is that the highly concentrated displacement washing defibrination of multiscrew described in any one of claim 1-12 claim discongests device.
14. a kind of slurry washing system according to claim 13, it is characterised in that the horizontal feed device includes water
The housing of placing flat, the top of the housing are provided with middle low concentration slurry import, and the lower section connection drainpipe of the housing is described
Installation settings has the cylinder screen cylinder of some sieve apertures in housing, and the second screw-casing, second spiral are provided with the cylinder screen cylinder
Set is connected as it and provides the second motor of power.
15. a kind of slurry washing system according to claim 14, it is characterised in that second screw-casing becomes for reducing
Away from or with footpath with away from screw-casing.
16. a kind of slurry washing system according to claim 13, it is characterised in that the vertical feeding device includes the
Three cylinders and the 3rd screw-casing being arranged in the 3rd cylinder, the 3rd screw-casing are connected as it and provide the 3rd electricity of power
Machine.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710924178.9A CN107541977A (en) | 2017-09-30 | 2017-09-30 | A kind of multiscrew high concentration displacement washing defibrination discongests device and slurry washing system |
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| CN201710924178.9A CN107541977A (en) | 2017-09-30 | 2017-09-30 | A kind of multiscrew high concentration displacement washing defibrination discongests device and slurry washing system |
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| CN102864669A (en) * | 2012-09-11 | 2013-01-09 | 江苏金沃机械有限公司 | Double-screw impregnator |
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| CN207498719U (en) * | 2017-09-30 | 2018-06-15 | 河北天正筛选制浆设备有限公司 | A kind of multiscrew high concentration displacement washing defibrination discongests device and slurry washing system |
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|---|---|---|---|---|
| EP0070782A1 (en) * | 1981-07-20 | 1983-01-26 | Clextral | Method of making a cellulosic fibre pulp for non paperlike applications |
| CN2635714Y (en) * | 2003-08-29 | 2004-08-25 | 安丘汶瑞机械制造有限公司 | Pulping machine |
| CN2666978Y (en) * | 2003-12-30 | 2004-12-29 | 天津科技大学 | Homodromy double-screw paper pulp mill |
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| CN103306155A (en) * | 2012-03-09 | 2013-09-18 | 张宇 | Circumferential grinding head, multi-screw extrusion kneader and pulping method |
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