CN206467499U - A kind of composite pressure sieve - Google Patents
A kind of composite pressure sieve Download PDFInfo
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- CN206467499U CN206467499U CN201621423508.3U CN201621423508U CN206467499U CN 206467499 U CN206467499 U CN 206467499U CN 201621423508 U CN201621423508 U CN 201621423508U CN 206467499 U CN206467499 U CN 206467499U
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- 239000002131 composite material Substances 0.000 title claims abstract description 22
- 238000012216 screening Methods 0.000 claims abstract description 134
- 239000002002 slurry Substances 0.000 claims abstract description 42
- 241000628997 Flos Species 0.000 claims description 18
- 230000015556 catabolic process Effects 0.000 claims description 18
- 238000006731 degradation reaction Methods 0.000 claims description 18
- 238000009955 starching Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000002893 slag Substances 0.000 claims description 13
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 238000010790 dilution Methods 0.000 claims description 8
- 239000012895 dilution Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 229920002472 Starch Polymers 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 235000019698 starch Nutrition 0.000 claims description 4
- 239000008107 starch Substances 0.000 claims description 4
- 238000009499 grossing Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 22
- 229920001131 Pulp (paper) Polymers 0.000 abstract description 10
- 239000000835 fiber Substances 0.000 description 17
- 230000000694 effects Effects 0.000 description 13
- 230000018044 dehydration Effects 0.000 description 11
- 238000006297 dehydration reaction Methods 0.000 description 11
- 238000005406 washing Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 229940085805 fiberall Drugs 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000013528 metallic particle Substances 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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Abstract
The utility model discloses a kind of composite pressure sieve, it includes pressurized screen housing and the screening structure being placed in pressurized screen housing, pressurized screen housing including setting gradually one-level screening housing, transitional shell and two grades of screening housings, one-level screening housing, transitional shell and two grades of coaxial settings of screening housings from the bottom to top；Screening structure includes the two grades of screening rotors for being placed in the one-level screening rotor in one-level screening housing with being placed in two grades of screening housings, one-level screening rotor and two grades of coaxial settings of screening rotors, and its axis is overlapped with the axis of pressurized screen housing；One-level screening rotor is that the sieve plate being matched therewith is provided with below board-like rotor, board-like rotor, and two grades of screening rotors are to be arranged with the cylinder screen frame being matched therewith outside cylindrical rotor, cylindrical rotor.The utility model realizes two-stage screening, and it can effectively remove the big specification impurity in paper pulp in the thick slurry stage.
Description
Technical field
The utility model is related to pressure sieve apparatus, more particularly to a kind of composite pressure sieve.
Background technology
Pressurized screen is the equipment that a kind of dependence pressure pulse is screened, and it is widely used in the slurrying stream of paper industry
Journey, the contaminant filters such as the silt particle in paper pulp, metallic particles, plastics, rubber can be come out, while filtering out qualified fiber, be
A kind of wide variety of slurrying screening cleaning equipment.
At this stage, pressurized screen is as in domestic paper industry Pulping Line, most popular screening cleaning equipment, its skill
Art is increasingly ripe, the technology transfer of domestic manufacturer also since most, technological innovation is gradually transitions, in all its bearings to pressure
Power sieve makes the adjustment for being more suitable for domestic papermaking enterprise.
Because current China largely uses the large granular impurity content in waste paper pulp-making, raw material high, increase to slurrying
The abrasion of equipment, reduces the service life of equipment.Therefore it is as early as possible to separate impurity from paper pulp, for improving
The key indexs such as service life of equipment, reduction installed power, guarantee quality of finished paper play an important role.
Utility model content
The utility model sieves to solve the problems of the prior art there is provided a kind of composite pressure, realizes two-stage screening,
It can effectively remove the big specification impurity in paper pulp in the thick slurry stage.
In order to solve the above technical problems, the utility model is adopted the following technical scheme that：A kind of composite pressure sieve, it includes pressure
Power screen shell body and the screening structure being placed in pressurized screen housing, the pressurized screen housing include setting gradually one-level sieve from the bottom to top
Housing, transitional shell and two grades of screening housings are selected, one-level screening housing, transitional shell and two grades screen the coaxial setting of housings, and
The diameter of one-level screening housing is more than the diameter of two grades of screening housings, and transitional shell is that one-level is screened into housing and two grades of screening shells
Body taper type structure in smoothing junction；
The screening structure includes being placed in the one-level screening rotor in one-level screening housing and is placed in two grades of screening housings
Two grades of screening rotors, one-level screening rotor and two grades of screening rotors are coaxial sets, and in its axis and pressurized screen housing
Axis is overlapped；One-level screening rotor is to be provided with the sieve plate being matched therewith below board-like rotor, board-like rotor, and sieve plate is fixed
Screened located at one-level and be equipped with one-level sieve aperture on the bottom of housing, sieve plate；The board-like rotor is tied with sieve plate formation one-level screening
Structure, forms one-level screening areas between the two；
Two grades of screening rotors are to be arranged with the cylinder screen frame being matched therewith, cylinder screen frame outside cylindrical rotor, cylindrical rotor
It is fixedly connected with two grades of screening housings, two grades of sieve apertures is equipped on cylinder screen frame；The cylindrical rotor and cylinder screen frame formation two
Level screening structure, forms secondary screening area domain between the two；
The lower section of one-level screening housing is provided with bottom Liang Jiang rooms, and bottom Liang Jiang rooms pass through the one-level sieve aperture and one-level on sieve plate
Screening areas is connected；It is respectively equipped with stock inlet and weight slag floss hole on one-level screening housing, the bottom of two grades of screening housings and upper
Portion is respectively arranged with two grades of good slurry mouths and tailings floss hole.
The open taper regulation lid of upper and lower ends is installed with the transitional shell, what taper regulation was covered radially inside sets
Put one group of size degradation blade, the size degradation insert ring is uniformly arranged around the central axis that taper adjusts lid, each size degradation blade with
Taper regulation lid is fixedly connected.
It is detachably fixed at the open topped of the taper regulation lid and is connected with starching regulation ring, the top of taper regulation lid
Opening is connected by the through hole in starching regulation ring with secondary screening area domain；Liquid level observation is provided with two grades of screenings housing
Window.
The board-like rotor is board-like disc structure, and its circumferencial direction is evenly equipped with cambered blade；The sieve plate is disc
Structure, sieve plate upper side is fixed with the wear-resisting tool section of length and short wear-resisting tool section of radial direction, and long wear-resisting tool section and short wear-resisting tool section are equal
Uniformly arranged around the axis of sieve plate, and long wear-resisting tool section and short wear-resisting tool section arranged for interval.
The cylindrical rotor includes cylinder and uniform in the shape of a spiral blade on the outer tube wall of cylinder, blade and Cylindorical rod
Line has certain angle；Two grades of sieve apertures are uniformly distributed on the barrel of cylinder screen frame.
The blade is the inverted l-shaped structure being made up of traversing section and vertical section connection, and the vertical section has one with cylinder axis
Clamp angle, the direction of the traversing section is opposite with the direction of rotation of cylindrical rotor and is inclined upwardly.
Dilution water pipe is additionally provided with the transitional shell, dilution water pipe sequentially passes through transitional shell and taper regulation lid.
Two grades of good slurry mouths and tailings floss hole are located at the opposite sides of two grades of screening housings respectively；
The stock inlet enter to starch direction and one-level screening enclosure interior slurry stream direction it is tangent；At the heavy slag floss hole
It is provided with regulating gate；
The good slurry mouth of one-level is arranged on the bottom Liang Jiang rooms.
Power set are provided with below the bottom Liang Jiang rooms, power set include final drive shaft and the company being coaxially disposed
Spindle, final drive shaft sequentially passes through bottom Liang Jiang rooms, two grades of screening housings and sieve plate and is connected with board-like rotor, board-like rotor
It is connected between cylindrical rotor by connecting shaft；Final drive shaft and connecting shaft are integral type structure.
The final drive shaft and the connecting portion of bottom Liang Jiang rooms, two grades of screening housings and sieve plate coordinate close provided with anti-leak
Envelope.
The beneficial effects of the utility model：
The utility model realizes that two-stage is screened, and the big specification impurity in paper pulp can be effectively removed in the thick slurry stage, reduces
Loss to follow-up equipment.Composite pressure sieve of the present utility model can realize the height that coarse sizing and impurity dehydration are carried out to slurry
Operation is imitated, the tailings of discharge is dense, without other enrichment equipment.The utility model improves place utilization rate, reduction
The installed power of integral device, while reduce the fiber loss of slag removal, and only needs to regulation feed pressure and just can
Realize simple control.
Operation principle of the present utility model is：The stock inlet that paper pulp is screened above housing bottom sieve plate from one-level tangentially enters
Enter, in the presence of board-like rotor, the first order it is good slurry by sieve plate enter bottom Liang Jiang rooms, as it is good slurry discharge, heavy seeds from
The floss hole discharge of weight slag.
Board-like rotor produces centrifugal action cleaning one-level sieve aperture, and with the tool section that is arranged on sieve plate（Long resistance to sharpening
Bar and short wear-resisting tool section）Effect, makes paper pulp obtain the effect of discongesting.The fiber stayed on sieve plate-impurity mixed liquor is acted in pressure
Under continuously rise to the second level screening areas on top, in the rotary course of cylindrical rotor part, fiber-impurity mixed liquor quilt
Washing and dehydration, acceptable fiber and washings are used as good slurry discharge by cylinder screen frame, and impurity continues up conveying, from tailings row
Mouth is put to discharge as tailings.
The board-like rotor and sieve plate formation one-level screening structure, form one-level screening areas, slurry is one between the two
Level screening areas screens the screening effect of structure by one-level, and qualified fiber and a part of water are sieved by the one-level on sieve plate
Hole, into bottom Liang Jiang rooms through the good slurry mouth discharge of one-level, it is impossible to which the heavy seeds passed through, such as stone, iron wire are discharged by weight slag
The continuous discharge of mouth, does not enter back into screening process, reduces the loss to follow-up equipment.
Board-like rotor is board-like disc structure, and its circumferencial direction is evenly equipped with cambered blade, and the blade is right in rotary course
Slurry plays the preferable effect of discongesting, while fragmentation will not be produced to the fragment in slurry, large granular impurity, it is ensured that miscellaneous
Integrality when matter is discharged, reduces the load of follow-up equipment.
The wear-resisting tool section of length and short wear-resisting tool section that the sieve plate upper side is fixed with radial direction, grow wear-resisting tool section and short wear-resisting
Tool section is uniformly arranged around the axis of sieve plate, and long wear-resisting tool section and short wear-resisting tool section arranged for interval, and above-mentioned design is in sieve plate
Screening areas in form wear-resisting tool section different in size, in the rotary course of board-like rotor, blade and wear-resisting tool section are mutual
Effect cutting long fibre, makes it be more easy to by sieve aperture；Simultaneously because the pressure that board-like rotor is produced, screens the one-level of composite screen
Obtain higher throughput.
Two grades of screening structures of the cylindrical rotor and the formation of cylinder screen frame, form secondary screening area domain, one-level between the two
The slurry that part is not discharged by one-level sieve aperture in screening areas is moved into secondary screening area domain under pressure, upwards,
Into the slurry in secondary screening area domain, by the dehydration of cylindrical rotor, most water and fiber all pass through drum sieve
Two grades of sieve apertures of frame are drained through two grades of good slurry mouths, and the impurity water content after residue dehydration is extremely low, can be very easily from tailings
Floss hole is discharged.
Described to be evenly equipped with blade in the shape of a spiral on the outer tube wall of cylindrical rotor, blade has certain angle, blade with axis
For the inverted l-shaped structure being made up of traversing section and vertical section connection, the vertical section has certain angle with cylinder axis, the traversing section
Direction is opposite with the direction of rotation of cylindrical rotor and is inclined upwardly, above-mentioned to be designed to the higher impurity of mass dryness fraction being delivered up.
Elongated screen slot is uniform-distribution with the barrel of screen frame, under the dehydration of cylindrical rotor, qualified fiber and washings passes through
Screen slot, through two grades of good slurry mouth discharges.
The open taper regulation lid of upper and lower ends is installed with the transitional shell, what taper regulation was covered radially inside sets
Put one group of size degradation blade, the size degradation knife is uniformly arranged around the central axis that taper adjusts lid, each size degradation blade with cone
Shape regulation lid is fixedly connected, and size degradation blade plays preferable size degradation to the pockets of fibre bundle of wadding collection and acted on.Set in this place simultaneously
Dilution water pipe, booster action is played to the size degradation of fibre bundle.
Detachable at the open topped of the taper regulation lid to be fixedly connected with starching regulation ring, it is upper that taper regulation is covered
Portion's opening is connected by the through hole in starching regulation ring with secondary screening area domain, can be according to the content of impurity in raw material and dense
Degree, changes the starching regulation ring of different size（Through-hole diameter in starching regulation ring is different）, adjust and be transported to secondary screening area
The slurry velocity in domain, makes the dehydration rate of cylindrical rotor remain in suitable scope, has no effect on one-level screening areas
Normal operation.For auxiliary adjustment function, screened at two grades on housing and be provided with observation window of liquid level, two grades can be observed directly
The height of liquid level of housing is screened, and starching regulation ring is adjusted in time.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
The structural representation of board-like rotor in Fig. 2 the utility model；
Fig. 3 is the structural representation of sieve plate in the utility model；
Fig. 4 is the structural representation of cylindrical rotor in the utility model；
Fig. 5 is the structural representation of cylinder screen frame in the utility model；
Fig. 6 is the structural representation of taper regulation lid in the utility model.
Embodiment
Embodiment of the present utility model is elaborated below in conjunction with accompanying drawing, the arrow in Fig. 2 represents board-like
Arrow in the direction of rotation of rotor, Fig. 4 represents the direction of rotation of cylindrical rotor.
As shown in Figures 1 to 6, a kind of composite pressure sieve of the present utility model, it includes pressurized screen housing and is placed in pressure
Screening structure in screen shell body, a kind of composite pressure sieve of pressure, it includes pressurized screen housing and is placed in pressurized screen housing
Screening structure, the pressurized screen housing include set gradually from the bottom to top one-level screening housing 1, transitional shell 3 and two grades sieve
Housing 2, one-level screening housing 1, transitional shell 3 and two grades of coaxial settings of screening housings 2 are selected, and one-level screens the diameter of housing 1
The diameter of more than two grades screening housings 2, transitional shell 3 is that one-level is screened into housing 1 and two grades of cones in smoothing junction of screening housing 2
Platform shape structure.
The screening structure includes being placed in the one-level screening rotor in one-level screening housing 1 and is placed in two grades of screening housings
Two grades of screening rotors, one-level screening rotor and two grades of screening rotors are coaxial sets, and in its axis and pressurized screen housing
Axis is overlapped.
One-level screening rotor is board-like rotor 11, and the lower section of board-like rotor 11 is provided with the sieve plate 12 being matched therewith, and sieves
Plate 12 is fixed on the bottom that one-level screens housing 1, sieve plate 12 and is equipped with one-level sieve aperture；The board-like rotor 11 and sieve plate 12
One-level screening structure is formed, one-level screening areas is formed between the two.
The board-like rotor 11 is board-like disc structure, and its circumferencial direction is evenly equipped with high inclination-angle cambered blade.The blade exists
The preferable effect of discongesting is played in rotary course to slurry, while will not be produced to the fragment in slurry, large granular impurity broken
Effect, it is ensured that integrality when impurity is discharged, reduces the load of follow-up equipment.
The sieve plate 12 is disc-shaped structure, and the upper side of sieve plate 12 is fixed with the wear-resisting tool section 15 of length of radial direction and short wear-resisting
Tool section 16, long wear-resisting tool section 15 and short wear-resisting tool section 16 are uniformly arranged around the axis of sieve plate 12, and it is long it is resistance to whet a knife 15 with
The short arranged for interval of wear-resisting tool section 16.Above-mentioned design forms wear-resisting tool section different in size in the screening areas of sieve plate 12, in plate
In the rotary course of formula rotor, blade interacts with wear-resisting tool section and cuts long fibre, it is more easy to by sieve aperture；Simultaneously because
The pressure that board-like rotor 11 is produced, screens the one-level of composite screen and obtains higher throughput.
Two grades of screening rotors are to be arranged with the cylinder screen frame 22 being matched therewith outside cylindrical rotor 21, cylindrical rotor 21, circle
Shaft screen frame 22 is fixedly connected with two grades of screening housings 2, and two grades of sieve apertures are equipped on cylinder screen frame 22；The cylindrical rotor 21 and circle
Two grades of screening structures of the formation of shaft screen frame 22, form secondary screening area domain between the two.
The cylindrical rotor 21 includes cylinder 25 and uniform in the shape of a spiral blade 26 on the outer tube wall of cylinder 25, blade
26 have certain angle with cylinder axis.The blade 26 is the inverted l-shaped structure being made up of traversing section and vertical section connection, and this is vertical
Section has certain angle with cylinder axis, and the direction of the traversing section is opposite with the direction of rotation of cylindrical rotor and is inclined upwardly.It is above-mentioned
Blade is designed to the higher impurity of mass dryness fraction being delivered up.
Two grades of sieve apertures are uniformly distributed on the barrel of cylinder screen frame 22, under the dehydration of cylindrical rotor 21, are closed
The fiber and washings of lattice are discharged by two grades of sieve apertures through two grades of good slurry mouths 23.
The open taper regulation lid 5 of upper and lower ends is installed with the transitional shell 3, taper adjusts the upper and lower ends of lid 5
Portion sets sealing ring with transitional shell 3, it is to avoid slurry enters gap between the two.Taper adjusts radially inside setting for lid 5
One group of size degradation blade 51 is put, the size degradation blade 51 is uniformly arranged around the central axis that taper adjusts lid 5, each size degradation blade
51 are fixedly connected with taper regulation lid 5.Size degradation blade plays preferable size degradation to the pockets of fibre bundle of wadding collection and acted on.
It is detachably fixed at the open topped of the taper regulation lid 5 and is connected with starching regulation ring 52, taper regulation lid 5
Open topped is connected by the through hole in starching regulation ring 52 with secondary screening area domain, can according to the content of impurity in raw material and
Concentration, changes the starching regulation ring 52 of different size（Through-hole diameter in starching regulation ring is different）, adjust and be transported to two grades of sieves
The slurry velocity of favored area, makes the dehydration rate of cylindrical rotor 21 remain in suitable scope, has no effect on one-level screening
The normal operation in region.For auxiliary adjustment function, screened at two grades on housing 2 and be provided with observation window of liquid level 8, can directly seen
The height of liquid level of two grades of screening housings 2 is observed, and starching regulation ring 52 is adjusted in time.
Dilution water pipe 53 is additionally provided with the transitional shell 3, dilution water pipe 53 sequentially passes through transitional shell 3 and taper is adjusted
Lid 5 is saved, the dilution water pipe 53 set in this place plays booster action to the size degradation of fibre bundle.
The lower section of one-level screening housing 1 is provided with bottom Liang Jiang rooms 4, and bottom Liang Jiang rooms 4 pass through the one-level sieve aperture on sieve plate 12
Connected with one-level screening areas, bottom Liang Jiang rooms 4 arrange the good slurry mouth 41 of one-level.
On one-level screening housing 1 it is respectively equipped with stock inlet 13 and weight slag floss hole 14, stock inlet 13 enters to starch direction and one
Slurry stream direction inside level screening housing 1 is tangent；Weight slag floss hole 14 is provided with regulating gate 17 in regulating gate, the present embodiment
For the pneumatic discharge gate of batch (-type) folding, consecutive intervals discharge weight slag is realized.
The bottom and top of two grades of screening housings 2 are respectively arranged with two grades of good slurry mouths 23 and tailings floss hole 24, and two grades good
Starch the opposite sides that mouth 23 and tailings floss hole 24 are located at two grades of screening housings respectively.
Be provided with power set 6 below the bottom Liang Jiang rooms, power set 6 include the final drive shaft being coaxially disposed and
Connecting shaft, final drive shaft sequentially passes through bottom Liang Jiang rooms 4, two grades of screening housings 2 and sieve plate 12 and is connected with board-like rotor 11,
It is connected between board-like rotor 11 and cylindrical rotor 21 by connecting shaft；Power transmission shaft and connecting shaft are integral type structure.
The final drive shaft and the connecting portion of bottom Liang Jiang rooms 4, two grades of screening housings 2 and sieve plate 12 coordinate to be let out provided with anti-
Leakage sealing, leak-tight seal is using existing mature technologies such as mechanical seals, and the present embodiment and accompanying drawing are no longer described in detail.
In this implementation, whole pressurized screen housing is supported on ground by plant bottom case 7.
Operation principle of the present utility model is：The stock inlet 13 that paper pulp screens the top of 1 extraction plate of housing 12 from one-level is cut
To entrance, in the presence of board-like rotor 11, the good slurry of the first order enters bottom Liang Jiang rooms 4 by sieve plate 12, is discharged as good slurry,
Heavy seeds are discharged from weight slag floss hole 14.
Board-like rotor 11 produces centrifugal action cleaning one-level sieve aperture, and with the tool section that is arranged on sieve plate 12（Length is resistance to
Sharpening bar 15 and short wear-resisting tool section 16）Effect, makes paper pulp obtain the effect of discongesting.The fiber stayed on sieve plate-impurity mixed liquor exists
The second level screening areas on top, in the rotary course of the part of cylindrical rotor 21, fiber-miscellaneous are continuously risen under pressure effect
Matter mixed liquor is washed and is dehydrated, and acceptable fiber and washings are used as good slurry discharge by cylinder screen frame 22, and impurity is continued up
Conveying, is discharged from tailings floss hole 24 as tailings.
The board-like rotor 11 and the formation one-level screening structure of sieve plate 12, form one-level screening areas, slurry between the two
The screening effect of structure is screened by one-level in one-level screening areas, qualified fiber and a part of water pass through one on sieve plate 11
Level sieve aperture, is discharged, it is impossible to which the heavy seeds passed through, such as stone, iron wire pass through weight into bottom Liang Jiang rooms 4 through the good slurry mouth 41 of one-level
Slag floss hole 14 is continuously discharged, and does not enter back into screening process, reduces the loss to follow-up equipment.
Two grades of screening structures of the cylindrical rotor 21 and the formation of cylinder screen frame 22, form secondary screening area domain between the two,
The slurry that part is not discharged by one-level sieve aperture in one-level screening areas under pressure, is moved into secondary screening area upwards
Domain, into the slurry in secondary screening area domain, by the dehydration of cylindrical rotor 21, most water and fiber all pass through circle
Two grades of sieve apertures of shaft screen frame 22 are drained through two grades of good slurry mouths 23, and the impurity water content after residue dehydration is extremely low, can be very convenient
Discharged from tailings floss hole 24.
The utility model realizes two-stage screening, and it can effectively remove the big specification impurity in paper pulp in the thick slurry stage,
Reduce the loss to follow-up equipment.Composite pressure sieve of the present utility model, which can be realized, carries out coarse sizing and impurity dehydration to slurry
High-efficient homework, the tailings of discharge is dense, without other enrichment equipment.The utility model improves place utilization rate,
The installed power of integral device is reduced, while reducing the fiber loss of slag removal, and only needs to adjust feed pressure
Just simple control can be realized.
Above example is only used to illustrative and not limiting the technical solution of the utility model, although with reference to above-described embodiment pair
The utility model is described in detail, it will be understood by those within the art that：The utility model can still be entered
Row modification or equivalent substitution, without departing from any modification or partial replacement of spirit and scope of the present utility model, it all should
Cover among right of the present utility model.
Claims (10)
1. a kind of composite pressure sieve, it includes pressurized screen housing and the screening structure being placed in pressurized screen housing, it is characterised in that：
The pressurized screen housing includes setting gradually one-level screening housing, transitional shell and two grades of screening housings, one-level sieve from the bottom to top
Housing, transitional shell and two grades of coaxial settings of screening housings are selected, and the diameter of one-level screening housing screens housings more than two grades
Diameter, transitional shell is that one-level is screened into housing and two grades of screening housings taper type structure in smoothing junction；
The screening structure includes two for being placed in the one-level screening rotor in one-level screening housing and being placed in two grades of screening housings
Level screening rotor, one-level screening rotor and two grades of coaxial settings of screening rotors, and its axis and the axis of pressurized screen housing
Overlap；One-level screening rotor is to be provided with the sieve plate being matched therewith below board-like rotor, board-like rotor, and sieve plate is fixed at
One-level is screened and is equipped with one-level sieve aperture on the bottom of housing, sieve plate；The board-like rotor and sieve plate formation one-level screening structure, two
One-level screening areas is formed between person；
Two grades of screening rotors are to be arranged with the cylinder screen frame being matched therewith, cylinder screen frame and two outside cylindrical rotor, cylindrical rotor
Level screening housing is fixedly connected, and two grades of sieve apertures are equipped on cylinder screen frame；Two grades of sieves of the cylindrical rotor and the formation of cylinder screen frame
Structure is selected, secondary screening area domain is formed between the two；
The lower section of one-level screening housing is provided with bottom Liang Jiang rooms, and bottom Liang Jiang rooms are screened by the one-level sieve aperture on sieve plate and one-level
Regional connectivity；Stock inlet and weight slag floss hole, the bottom and upper part of two grades of screening housings are respectively equipped with one-level screening housing
Two grades of good slurry mouths and tailings floss hole are not provided with.
2. composite pressure sieve according to claim 1, it is characterised in that：Upper and lower ends are installed with the transitional shell to open
The taper regulation lid of mouth, one group of size degradation blade of radially inside setting of taper regulation lid, the size degradation insert ring is around taper tune
The central axis of section lid is uniformly arranged, and each size degradation blade is fixedly connected with taper regulation lid.
3. composite pressure sieve according to claim 2, it is characterised in that：It is removable at the open topped of the taper regulation lid
The formula of unloading is fixedly connected with starching regulation ring, and the open topped of taper regulation lid is screened by the through hole in starching regulation ring and two grades
Regional connectivity；Observation window of liquid level is provided with two grades of screenings housing.
4. the composite pressure sieve according to claim any one of 1-3, it is characterised in that：The board-like rotor is board-like disk
Structure, its circumferencial direction is evenly equipped with cambered blade；The sieve plate is disc-shaped structure, and sieve plate upper side is fixed with the length of radial direction
Wear-resisting tool section and short wear-resisting tool section, long wear-resisting tool section and short wear-resisting tool section are uniformly arranged around the axis of sieve plate, and length is wear-resisting
Tool section and short wear-resisting tool section arranged for interval.
5. composite pressure sieve according to claim 4, it is characterised in that：The cylindrical rotor includes cylinder and in cylinder
Blade uniform in the shape of a spiral on outer tube wall, blade has certain angle with cylinder axis；Two grades of sieve apertures are in cylinder screen frame
It is uniformly distributed on barrel.
6. composite pressure sieve according to claim 5, it is characterised in that：The blade is to be connected by traversing section and vertical section
The inverted l-shaped structure of composition, the vertical section has certain angle, the direction of the traversing section and the rotation side of cylindrical rotor with cylinder axis
To opposite and be inclined upwardly.
7. composite pressure sieve according to claim 5, it is characterised in that：Dilution water is additionally provided with the transitional shell
Pipe, dilution water pipe sequentially passes through transitional shell and taper regulation lid.
8. composite pressure sieve according to claim 5, it is characterised in that：Two grades of good slurry mouth and tailings floss hole difference
Positioned at the opposite sides of two grades of screening housings；
The stock inlet enter to starch direction and one-level screening enclosure interior slurry stream direction it is tangent；Set at the heavy slag floss hole
There is regulating gate；
The good slurry mouth of one-level is arranged on the bottom Liang Jiang rooms.
9. composite pressure sieve according to claim 5, it is characterised in that：The lower section of the bottom Liang Jiang rooms sets dynamic
Device, power set include final drive shaft and the connecting shaft being coaxially disposed, and final drive shaft sequentially passes through bottom Liang Jiang rooms, two grades of sieves
Select housing and sieve plate to be connected with board-like rotor, be connected between board-like rotor and cylindrical rotor by connecting shaft；It is main to pass
Moving axis and connecting shaft are integral type structure.
10. composite pressure sieve according to claim 9, it is characterised in that：The final drive shaft and bottom Liang Jiang rooms, one-level
The connecting portion for screening housing and sieve plate coordinates provided with leak-tight seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621423508.3U CN206467499U (en) | 2016-12-23 | 2016-12-23 | A kind of composite pressure sieve |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621423508.3U CN206467499U (en) | 2016-12-23 | 2016-12-23 | A kind of composite pressure sieve |
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| CN206467499U true CN206467499U (en) | 2017-09-05 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106480770A (en) * | 2016-12-23 | 2017-03-08 | 郑州运达造纸设备有限公司 | A kind of composite pressure sieve |
| CN111335062A (en) * | 2020-03-23 | 2020-06-26 | 郑州磊展科技造纸机械有限公司 | Medium-concentration hydraulic pulper |
-
2016
- 2016-12-23 CN CN201621423508.3U patent/CN206467499U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106480770A (en) * | 2016-12-23 | 2017-03-08 | 郑州运达造纸设备有限公司 | A kind of composite pressure sieve |
| CN111335062A (en) * | 2020-03-23 | 2020-06-26 | 郑州磊展科技造纸机械有限公司 | Medium-concentration hydraulic pulper |
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| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170905 Effective date of abandoning: 20181204 |