CN209523054U - Efficient pulp washing system for paper pulp production line - Google Patents
Efficient pulp washing system for paper pulp production line Download PDFInfo
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- CN209523054U CN209523054U CN201822277652.6U CN201822277652U CN209523054U CN 209523054 U CN209523054 U CN 209523054U CN 201822277652 U CN201822277652 U CN 201822277652U CN 209523054 U CN209523054 U CN 209523054U
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Abstract
The utility model discloses a kind of efficient pulp washing systems for paper pulp production line, are related to pulping technology for paper-making field；Its washing system includes one section of two series connection vacuum pulp washing machine, one section of Var-nip press, oxygen delignification system, two section of two series connection vacuum pulp washing machine, intermediate slurry tower and the two sections of Var-nip press of the flow direction setting along production line；The discharge port of one section of Var-nip press and two sections of Var-nip press is equipped with acroll press washer structure, and acroll press washer structure is used to carry out grinding, washing and extrusion process, the serum outlet of two acroll press washer structures to slurry to be equipped with slurries conveying mechanism.By implementing the technical program, the paper pulp after washing is carried out dehydration with waste liquid and separated, formed the lower paper pulp intermediate product of moisture content and carry out pulp washing again by sectional, the dosage for being conducive to the pulp washing efficiency for improving pulp washing system and reducing slurry.
Description
Technical field
The utility model relates to pulping technology for paper-making fields, more particularly to a kind of for the efficient of paper pulp production line
Pulp washing system.
Background technique
Modern paper technique is mainly made of two links: including pulping section and papermaking section.Slurrying is the first step of papermaking,
The method for generally converting wood into paper pulp has mechanical pulping method, chemical pulping method and three kinds of semichemical pulping method；And currently, big
The paper making raw material that type paper mill uses is substantially the waste paper of manufactured wood pulp and recycling, is also had panda blueness group and bamboo is residual
The technology that slag recycles, can not only energy saving and protection environment, the environmentally protective requirement of positive respective country also can
Economic cost expenditure is reduced for enterprise and brings huge economic benefit.
The process flow of manufacture paper pulp includes: that stock, boiling, screening, washing, bleaching, deposit are manufactured paper with pulp.Pulping section is to make
Paper production process generates the Main Stage of pollution, can generate a large amount of exhaust gas and waste liquid.Wherein, the purpose of pulp washing is will to steam
The fiber dissociated after boiling is separated with cooking waste liquor, obtains clean paper pulp；And the waste liquid for washing generation in the prior art will be with
Waste water discharge, people refer to paper technology, and when especially referring to pulp washing production technology, what is often associated is that environment is not friendly
Good one side；Pulp washing efficiency how is improved as a result, is improved washing effect and is reduced the generation of waste liquid in washing process and will mention
It takes waste liquid to be comprehensively utilized, realizes the slurrying production technology without discharging of waste liquid, be those skilled in the art's urgent need to resolve
Technical problem.
Utility model content
The technical issues of in order to solve slurry wash low efficiency in existing pulping production line pulp washing system, the utility model
It is designed to provide a kind of efficient pulp washing system for paper pulp production line, sectional takes off the paper pulp after washing with waste liquid
Water separation, formed the lower paper pulp intermediate product of moisture content carry out pulp washing again, be conducive to improve pulp washing system pulp washing efficiency and
Reduce the dosage of slurry.
The utility model specifically uses following technical scheme to achieve the goals above:
For the efficient pulp washing system of paper pulp production line, the washing system includes one section of the flow direction setting along production line
Two series connection vacuum pulp washing machines, one section of Var-nip press, oxygen delignification system, two section of two series connection vacuum pulp washing machine, it is intermediate starch tower with
And two sections of Var-nip press；The discharge port of one section of Var-nip press and two sections of Var-nip press is equipped with acroll press washer
Structure, the acroll press washer structure are used to carry out slurry grinding, washing and extrusion process, and two acroll press washer structures
Serum outlet is equipped with slurries conveying mechanism, and the slurries conveying mechanism is for mentioning the slurry obtained through acroll press washer structure
Liquid is taken to be delivered to the washing unit of line production system upstream.
The washing unit of above-mentioned line production system upstream refers to one section of two series connection vacuum of the flow direction setting along production line
Wash engine or two section of two series connection vacuum pulp washing machine.
Optionally, the acroll press washer structure includes the drive of casing and the main shaft being mounted in casing, driving spindle rotation
Dynamic component, the flexible axle sleeve being set on main shaft and the helical blade being arranged on telescopic shaft set, two neighboring helical blade
Between be crush zone, and flexible axle sleeve is provided with compliant section in each crush zone, and the main shaft is close to feed inlet one
End is provided with the hydraulic-driven part rotated synchronously with main shaft, and the hydraulic-driven part is for pushing flexible axle sleeve along the flexible shifting of main shaft
It is dynamic；It is provided in the stretching region of each compliant section close to discharge port for being carried out between corresponding two helical blades
The water injecting mechanism of water filling.Slurry is pushed by the extruding of helical blade repeatedly simultaneously with the process of screw propulsion, can further be mentioned
The filter-press dehydration effect of high paper pulp obtains the lower paper pulp intermediate product of moisture content after Var-nip press dehydration, is conducive to improve
The pulp washing efficiency of pulp washing system；And mobile squeeze of helical blade can also form mixing effect to slurry with the flowing of strengthening slurry
Property, there is stuck phenomenon and can get more uniform slurry in prevention.
Optionally, the main shaft is variable diameter axis body, the diameter of the main shaft from feed inlet one end along discharge port one end gradually
Increase, and is mounted on telescopic shaft and covers between the upper two neighboring helical blade screw pitch from feed inlet one end along discharge port one end
It is gradually reduced.Filter-press dehydration effect is improved to be gradually increased the extruding force of shove mechanism back segment, by acroll press washer structure
It is designed to the filter-press arrangement of variable-diameter variable-pitch, can further be improved paper by the mixing power of helical blade in extrusion process
Filters pressing effect is starched, is prepared for subsequent pulp washing operation, cleaner paper pulp is obtained.
Optionally, the water injecting mechanism is mounted on the upside of casing, and the water injecting mechanism includes multiple water filling ports and multiple notes
The filling pipe and water injecting pump of mouth of a river connection, are provided on the filling pipe and fill the water along shell for controlling water injecting mechanism
Check valve.Filling pipe is connect with existing water pump, for being filled the water into chassis chamber body, the optional prior art of water injecting pump；And
Oil control water injecting mechanism is set on filling pipe and fills the water check valve along shell, can effectively prevent pressure change in chassis chamber body and
Black liquor is flowed into filling pipe, polluted source and prevents filling pipe from blocking.
Optionally, filter screen is equipped on each water filling port, the internal side of shell is additionally provided with and each water filling
The outlet conduit of mouth connection.During hydraulic-driven part pushes helical blade extruding slurry, the black liquor that slurry is squeezed out can be same
When flowed out along outlet conduit, and flexible axle sleeve tensile coil blade and increase when squeezing space, check valve can be started and can be to machine
Injected clear water in shell, such hydraulic-driven part, which drives helical blade to repeatedly extrude slurry, can reach preferable cleaning effect, and anti-
Only there is the phenomenon that spiral conveying mechanism is stuck by excessive compression in slurry.
Optionally, the helical blade close to discharge port one end is provided with gap structure, and the gap structure penetrates through phase
The thickness of helical blade is answered, the bottom of the gap structure is at curved shape.The design of gap structure can be to shove on helical blade
The slurry formation of mechanism back segment, which is scraped, cuts through broken effect, can get the paper pulp fiber more refined, promotes revolving helical-blade
Piece not only can promote slurry mobility and black liquor it is aqueous, can also make refinement after paper pulp fiber enter oxygen delignification system
It obtains the de- effect of better oxygen and enters in two sections of pulp washing operations and obtain better pulp washing effect, to improve entire pulp washing system
Slurry washing efficiency.
Optionally, corrugated pipe sleeve, pipe sleeve both ends and flexible axle sleeve is made using corrosion-resistant elastic material in the compliant section
It is fixedly connected.Corrosion-resistant elastic bellows made of corrosion resistant elastic alloy material in the prior art specifically can be used in compliant section
Shape set, the end of pipe sleeve are fixedly connected with flexible axle sleeve, and the mode of welding or snapping or threaded connection can be used, so that hydraulic drive
Moving part can drive the axle sleeve that entirely stretches along main shaft Telescopic movable, and corresponding slurry can be formed between two neighboring helical blade
Crush zone.
Optionally, pressure sensor is provided between two neighboring helical blade, the pressure sensor is connected to
Controller, the output end of the controller are connect with the hydraulic-driven part；Including for controlling opening for discharge port openings of sizes
Component is closed, the switch block is connect with controller.The mountable non-flexible section of region or card in flexible axle sleeve of pressure sensor
It connects on the side wall of helical blade, slurry is squeezed convenient for control, prevent excessive compression or squeeze insufficient phenomenon, material
It discharges after being extruded sufficiently, improves slurry filter-press dehydration effect, on the one hand switch block passes through hydraulic-driven part can drive
Helical blade repeatedly extrudes slurry, on the other hand can control the discharge port size of slurry, and then is detecting discharge port
It is controlled and is discharged by controller when slurry concentration is suitable for.
Optionally, the flexible axle sleeve is connected with and chassis cavity diameter phase in the end close to hydraulic-driven part output shaft
Matched expeller, the expeller are used to push the slurry for entering chassis cavity from feed inlet along discharge port one end.Pusher
Block can scrape the slurry of casing cavity inner wall, avoid the slurry adhesion close to feed inlet in casing inner wall；And expeller and machine
Shell intracavity diameter matches, and as expeller is promoted from feed inlet along discharge port direction, can effectively increase shove process in casing
Internal pressure obtain better black liquor abjection effect conducive to the discharge of shove liquid.
Optionally, equidistant offer is slided for flexible axle sleeve along the dovetail shaped that main shaft slides along the periphery of the main shaft
Rail is evenly arranged with and the matched dovetail shaped protrusion of the dovetail shaped sliding rail on the inside of the flexible axle sleeve.The periphery of main shaft
On can open up and be angularly uniformly distributed three or six dovetail shaped sliding rails along the central axial line direction of main shaft so that flexible axle sleeve
Can be with main shaft stable rotation during the telescopic moving of main shaft axial direction, and the design of dovetail shaped sliding rail can effectively improve its connection surely
It is qualitative.
As described above, the utility model at least has the following beneficial effects:
1. the utility model pulp washing system is set as spaced apart pulp washing section and dewatering period, and is equipped with after dewatering period
Paper fiber slurry after pulp washing can be carried out thoroughly dehydration with black liquor after shove and separated, formed by acroll press washer structure
The low paper pulp intermediate product of black liquor rate content, and then enter the slurry cleannes with higher of two sections of pulp washings operation, compared to straight
It connects and pulp washing is carried out to the fibre stuff of high-moisture percentage, can save water and reduce on the whole traditional pulp washing number, be conducive to mention
The pulp washing efficiency of high entire pulp washing system.
2. being provided with the flexible axle sleeve being reciprocally moveable on the variable diameter main shaft of the utility model acroll press washer structure, and flexible
Design has the compliant section made of elastic material between two neighboring helical blade on axle sleeve, and slurry squeezes same with screw propulsion
When pushed by helical blade extruding repeatedly, can further improve the filter-press dehydration effect of paper pulp；And helical blade is mobile crowded
Pressure can also form mixing effect to slurry with the mobility of strengthening slurry, and the slurry prevented in chassis cavity is excessively stiff.
3. the acroll press washer structure in the utility model is used to carry out grinding, washing and extruding to the slurry after dehydration
Processing, improves the grinding efficiency of slurry, pulp fiber enters back into oxygen delignification system after being refined, and obtains pulp fiber
Abundant oxygen delignification reaction, improves oxygen and takes off efficiency, so that lignin content is lower in the slurry after oxygen delignification reacts, into
And reduce the dosage of bleaching system bleaching agent and reduce the dosage of slurry, reduce the processing difficulty of waste water after washing, drop
Low enterprise's production cost and energy conservation and environmental protection.
4. the utility model is extracted through slurry liquid conveying mechanism after dewatering period is handled all toward production line upstream washing section
It catches up with, and the biggish shove liquid of upstream concentration can be recycled to area is recycled, sediment is formed with fermentation waste after precipitation process
Organic fertilizer, being dehydrated isolated shove liquid conducive to environmental protection can be used for being delivered in line production system positioned at corresponding dewatering unit
The washing unit of upstream is washed, and realizes the recycling of shove liquid, avoids generating in washing process in the prior art a large amount of
Waste water and pollute environment, manufacture paper pulp in a manner of high-efficiency environment friendly, and then improve the pulp washing efficiency of pulp washing system.
5. the utility model needle acroll press washer structure is provided between two neighboring helical blade for detecting correspondence
The pressure sensor and pressure sensor for the extruding force that position slurry is subject to are connected with controller, and combine on existing main shaft
Torque detecting unit specific aim is monitored to stuck specific extrusion position is accordingly likely to occur, and specific aim eliminates corresponding filters pressing
The problem of position transition squeezes prevention excessive compression squeezes insufficient phenomenon, and material discharges after being extruded sufficiently, improves
Slurry filter-press dehydration effect.
Detailed description of the invention
Fig. 1 is according to a kind of flow diagram of the efficient pulp washing system for paper pulp production line of the utility model；
Fig. 2 is the schematic diagram of acroll press washer structure in Fig. 1；
Fig. 3 is the schematic diagram of helical blade in Fig. 2.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: 1- casing, 2- feeding inlet, 3- discharge port, 4- main shaft, 5- driving group
The flexible axle sleeve of part, 51- stepper motor, 52- driving gear, 53- driven gear, 54- silent chain, 6-, 7- helical blade, 8- pipe
Set, 9- switch block, 91- cylinder, 92- material blocking block, 93- containing cavities, 94- link block, 10- water filling port, 11- filling pipe, 12-
Check valve, 13- outlet conduit, 14- filter screen, 15- dovetail shaped protrusion, 16- expeller, 17- gap structure, 18- hydraulic-driven
Part.
The present embodiment provides a kind of efficient pulp washing system for paper pulp production line, washings as shown in Figure 1: substantially for embodiment
System include along production line flow direction setting one section of two series connection vacuum pulp washing machine, one section of Var-nip press, oxygen delignification system,
Two section of two series connection vacuum pulp washing machine, intermediate slurry tower and two sections of Var-nip press；One section of Var-nip press and two sections of double roller shoves
The discharge port 3 of machine is equipped with acroll press washer structure, and acroll press washer structure is used to carry out at grinding, washing and extruding slurry
Reason, and the serum outlet of two acroll press washer structures is equipped with slurries conveying mechanism, slurries conveying mechanism is used for will be through spiral
The Pulp Extract that shove mechanism obtains is delivered to the washing unit of line production system upstream, and slurries conveying mechanism includes pump assembly
With with the conduit assembly for conveying slurries, model specification of pump assembly and outlet tube component etc. is all in accordance with existing slurries conveyer
Specification of structure etc. carries out type selecting, and selection method belongs to selection method in the prior art, and the application does not carry out the selection method
It improves, so it will not be repeated.
One section of two series connection vacuum pulp washing machine and two section of two series connection vacuum pulp washing machine in the present embodiment are selected from the auspicious public affairs of Shandong Min
The forth generation vacuum pulp washing machine of production is taken charge of, one section of two series connection vacuum pulp washing machine and two section of two series connection vacuum pulp washing machine include two
Sequentially connected vacuum pulp washing machine, vacuum pulp washing machine are the suction forces using negative pressure of vacuum generation as motive force, and waste liquid is penetrated
Pulp layer, which filters out, to be separated, and to obtain preferable pulp washing effect, often four groups of series connection or more than four groups of vacuum pulp washing machine are washed
Slurry, and the technical program uses and can overcome every section of pulp washing that need to connect four vacuum pulp washing machine and the spaced apart design of dewatering unit
Group or more than four groups of vacuum pulp washing machine carry out pulp washing, can effectively reduce pulp washing step, can will be after pulp washing after a shove
Paper fiber slurry carries out thoroughly dehydration with black liquor and separates, and forms the low paper pulp intermediate product of black liquor rate content, and then enter two
The slurry cleannes with higher of section pulp washing operation, carry out pulp washing compared to the fibre stuff directly to high-moisture percentage, can be from whole
Traditional pulp washing number is saved water and reduced on body, is conducive to the pulp washing efficiency for improving entire pulp washing system.
One section of Var-nip press and two sections of Var-nip press model specifications etc. are all in accordance with existing double roller shove in the present embodiment
Specification of machine etc. carries out type selecting, and selection method belongs to selection method in the prior art, and the application does not carry out the selection method
It improves, so it will not be repeated, and Var-nip press carries out extrusion dehydration to paper pulp, pulp concentration is about by the opposite operating of two rollers
30%；And the paper pulp after Var-nip press press dewatering enters acroll press washer structure grinding, washing and extruding, washes through grinding
Fibre stuff pulp concentration after washing can reach 46% or so, and the fiber after extracting refinement carries out oxygen delignification reaction again, into
And make lignin content in the slurry after oxygen delignification reacts lower, it can get good pulp fiber.
In the present embodiment after one section of Var-nip press of dewatering period and acroll press washer structure dehydration connected to it
Extracting solution is all caught up with toward one section of two series connection vacuum pulp washing machine water inlet of production line upstream washing section through slurry liquid conveying mechanism, and on
The trip biggish shove liquid of concentration can be recycled to area is recycled, and squeeze through two sections of Var-nip press of dewatering period and spiral connected to it
Extracting solution is all washed toward one section of two series connection vacuum of production line upstream washing section through slurry liquid conveying mechanism after pulp grinder structure dehydration
The water inlet of pulp grinder and two section of two series connection vacuum pulp washing machine is caught up with；And the pulp washing water of two section two of washing section series connection vacuum pulp washing machine is synchronous
It is all caught up with toward one section of two series connection vacuum pulp washing machine water inlet of production line upstream washing section through slurries conveying mechanism, slurries conveying mechanism
Type selecting is carried out according to existing pump assembly and conduit assembly；Correspondingly, the slurry in washing system is by slurry supply pump and conduit assembly group
At can be recycled for conveying slurry, and by the biggish shove liquid of concentration to recycling area, the sediment and useless after precipitation process
Material fermentation forms organic fertilizer, is conducive to environmental protection.The technical program can be completely used for being delivered to life through being dehydrated isolated shove liquid
The washing section for being located at corresponding dewatering unit upstream in producing line system is washed, and is realized the recycling of shove liquid, is avoided existing
A large amount of waste water is generated in washing process in technology and pollutes environment, and pulp washing is carried out in a manner of high-efficiency environment friendly.
As shown in Figures 2 and 3, acroll press washer structure includes casing 1 and the acroll press washer structure that is arranged in casing 1, machine
1 left upper end of shell offers feeding inlet 2；And discharge port 3 is offered in the bottom righthand side of casing 1, it is uniformly opened up on the inner wall of casing 1
There is filter hole (not shown), filter hole is located at the lower section of acroll press washer structure, to be filtered to the paper pulp of extruding, is discharged black
Liquid.Acroll press washer structure include main shaft 4, the driving assembly 5 rotated of driving spindle 4, the flexible axle sleeve 6 that is set on main shaft 4 with
And the helical blade 7 on flexible axle sleeve 6 is set, flexible axle sleeve 6 is provided with scalable between two neighboring helical blade 7
Compliant section, corrugated pipe sleeve 8 is made using corrosion-resistant elastic material in compliant section, 8 both ends of pipe sleeve and flexible axle sleeve 6 is fixed connects
It connects.Corrosion-resistant elastic corrugated tubulose set made of corrosion resistant elastic alloy material in the prior art specifically can be used in compliant section,
The end of pipe sleeve 8 is fixedly connected with flexible axle sleeve 6, and the mode of welding or snapping or threaded connection can be used, so that hydraulic can drive
Moving part 18 drives the axle sleeve 6 that entirely stretches along 4 Telescopic movable of main shaft, and can be formed between two neighboring helical blade 7 corresponding
Slurry crush zone, the both ends of main shaft 4 pass through bearing and are mounted on casing 1, and the right end of main shaft 4 extends casing 1 and driving
Component 5 connects.
To rotate 4 stability of driving spindle, driving assembly 5 includes stepper motor 51 and 51 output shaft of stepper motor
The driving gear 52 of connection fixes the driven gear 53 being set on main shaft 4 and for so that driving gear 52 and driven tooth
Wheel 53 transmission connection silent chains 54, the power that it is acted on main shaft 4 and bearing using gear teeth chain conveyer is smaller, adapt to compared with
The transmission of big load, practicability are good.
Helical blade 7 is fixedly connected with flexible axle sleeve 6, such as is welded, is threadedly coupled or passes through snap lock, and main shaft 4 leans on
The left end of nearly feed inlet is fixedly installed the hydraulic-driven part 18 rotated synchronously with main shaft 4, for pushing flexible axle sleeve 6 along discharging
3 sides of mouth move back and forth, and hydraulic-driven part 18 is specifically mounted on the fixed block on main shaft 4, and hydraulic-driven part 18 is three
A, identical at a distance from the main shaft 4 and central axial line along main shaft 4 of three hydraulic-driven parts 18 is angularly uniformly arranged；And it is
Avoiding the slurry adhesion of two sides above and below in 1 cavity of casing influences filters pressing effect on 1 cavity inner wall of casing；Flexible axle sleeve 6 exists
The end of 18 one end of hydraulic-driven part is provided with the expeller 16 to match with 1 intracavity diameter of casing, with for will from into
Material mouth enters the slurry of 1 inner cavity of casing and pushes along 3 one end of discharge port, and the end of three hydraulic-driven parts 18 with expeller 16
Clamping, expeller 16 can scrape the slurry of 1 cavity inner wall of casing, and can effectively improve efficiency of press filtering.
Equidistant along the periphery of main shaft 4 to offer the dovetail shaped sliding rail slided for flexible axle sleeve 6, stretch axle sleeve 6
Inside be evenly arranged with the matched dovetail shaped protrusion 15 of sliding rail, can angularly be uniformly distributed three along the central axial line of main shaft 4
Item or six dovetail shaped sliding rails, the present embodiment preferably provide six dovetail shaped sliding rails, and correspondence is provided with six on the inside of flexible axle sleeve 6
Dovetail shaped protrusion 15, so that flexible axle sleeve 6 can will be slided along 4 axial stretching moving process of main shaft with 4 stable rotation of main shaft
Rail is designed to that dovetail shaped can effectively improve its connective stability.
Close to discharge port 3 each compliant section stretching region be provided with for corresponding two helical blades it
Between the water injecting mechanism that is filled the water, water injecting mechanism is mounted on the upside of casing, for filling the water into chassis chamber body；And in filling pipe
Upper setting oil control water injecting mechanism fills the water check valve along shell, can effectively prevent pressure change in chassis chamber body and by black liquor stream
Enter in filling pipe, polluted source and prevent filling pipe from blocking, the stretching region close to each compliant section of discharge port 3 is respectively provided with
There is water filling port 10, for being filled the water between corresponding two helical blades 7, and is respectively provided between two neighboring helical blade 7
There is a pressure sensor, pressure sensor is mountable at non-flexible section of flexible axle sleeve 6 or to be connected on the side wall of helical blade 7,
The prior art can be used in pressure sensor model, specific mounting means and mounting structure, and therefore not to repeat here；Pressure sensor
It is connected to the digital display controller (not shown) for being equipped with alarm module, and water injecting mechanism includes multiple water filling ports 10 and multiple notes
The filling pipe and water injecting pump that the mouth of a river 10 is connected to are provided on filling pipe and fill the water along shell for controlling water injecting mechanism
Check valve, filling pipe connect with existing water pump, and the check valve 12 being arranged on filling pipe 11 can effectively prevent 1 chamber of casing
Internal pressure change and black liquor is flowed into filling pipe 11, polluted source and prevent filling pipe 11 from blocking.
It is equipped with filter screen 14 on each water filling port 10, is additionally provided on the inside of casing 1 and is connected to each water filling port 10
Outlet conduit 13；During hydraulic-driven part 18 pushes 7 extruding slurry of helical blade, black liquor that slurry is squeezed out can edge simultaneously
Outlet conduit 13 flows out, and flexible 6 tensile coil blade 7 of axle sleeve and increase when squeezing space, can start check valve 12 and can be to
Injected clear water in casing 1, such hydraulic-driven part 18, which drives helical blade 7 to repeatedly extrude slurry, can reach preferable cleaning effect
Fruit, it can also be used to which acroll press washer structure itself is cleaned.
Check valve 12, stepper motor 51, three hydraulic-driven parts 18 and pressure sensings in the present embodiment above structure
Device is electrically connected with digital display controller, and is all made of power module in the prior art and is powered；Acroll press washer structure its
The prior art can be directly used in structure in terms of him, will be without specifically in this specification.
Filter-press dehydration effect is improved to be gradually increased the extruding force of shove mechanism back segment, the spiral of the present embodiment is squeezed
Main shaft 4 is designed as variable diameter axis body by pulp grinder structure, and the diameter of main shaft 4 is gradually increased from feed inlet one end along 3 one end of discharge port, and is pacified
Screw pitch is gradually reduced from feed inlet one end along 3 one end of discharge port between two neighboring helical blade 7 on flexible axle sleeve 6,
Acroll press washer structure is designed to the filter-press arrangement of variable-diameter variable-pitch, in extrusion process can by the mixing power of helical blade 7,
Improve paper pulp filters pressing effect；At the same time, as shown in figure 3, the helical blade 7 close to 3 one end of discharge port is provided with gap knot
Structure 17, gap structure 17 penetrate through the thickness of corresponding helical blade 7, and the bottom of gap structure 17 is at curved shape；On helical blade 7
The design of gap structure 17 can form to scrape to the slurry of shove mechanism back segment cuts crushing effect, promotes the mobility and black liquor of slurry
It is aqueous；The phenomenon that prevented also from shove back segment by excessive compression, further discharge effect at night.
To discharge after being extruded slurry sufficiently, slurry filter-press dehydration effect is improved, the spiral of the present embodiment is squeezed
Pulp grinder structure further includes the switch block 9 for controlling 3 openings of sizes of discharge port, specifically, as shown in Fig. 2, switch block 9 includes
Cylinder 91, material blocking block 92 identical with 3 opening size size of discharge port and the link block for being fixedly connected on 92 bottom of material blocking block
94；The right side of discharge port 3 is provided with the containing cavities 93 for storing material blocking block 92, cylinder 91 exports the tip of the axis and link block
94 clampings, with material blocking block 92 stretches out along containing cavities 93 or folding and unfolding, cylinder 91 are connect with digital display controller for driving, one side
Helical blade 7 can be driven to repeatedly extrude slurry by hydraulic-driven part 18, on the other hand can be controlled and be starched by cylinder 91
3 size of discharge port of material, and then controlled and discharged by controller when detecting that 3 slurry concentration of discharge port is suitable for；This reality
Applying the slurry concentration that example is exported through spiral pulper is that can reach about 46%, and do not occur equipment stuck phenomenon.
The specific embodiment of acroll press washer structure are as follows: slurry from the inner cavity that feed inlet enters acroll press washer structure, and
It is pushed during being promoted with the rotation of helical blade 7 by the extruding of hydraulic-driven part 18 repeatedly, pipe sleeve 8 is in hydraulic-driven part
Extend under 18 motive force and shrink, so that the helical blade 7 being arranged on flexible axle sleeve 6 stirs extruding slurry, telescopic shaft back and forth
Two neighboring helical blade 7 can squeeze slurry on set 6, can effectively improve filter-press dehydration effect and strengthening slurry
Mobility, the prevention intracorporal slurry of chamber are excessively stiff；And then during to slurry filter-press dehydration, pressure sensor will be corresponding
Pressure information is transmitted to digital display controller, and when being transmitted in controller pressure value and being greater than preset value, controller is hydraulic to three
Actuator 18 issues instruction to drive flexible axle sleeve 6 to draw high, and controller is used for the list into corresponding compliant section stretching region
Instruction is issued to valve 12 and water injecting mechanism, specific aim eliminates the problem of corresponding filters pressing position transition squeezes, and then eliminates the extruding
Position is hardened and the stuck phenomenon of entire acroll press washer structure occurs, which will not squeeze acroll press washer structure
Inadequate region is filled the water to adjust the mobility of slurry, and then can prevent the non-uniform situation of paper pulp discharge concentration, effectively
Improve the filter-press dehydration effect of paper pulp.
The above, the only preferred embodiment of the utility model, are not intended to limit the utility model, the utility model
Scope of patent protection be subject to claims, it is equivalent made by all specifications and accompanying drawing content with the utility model
Structure change similarly should be included in the protection scope of the utility model.
Claims (10)
1. being used for the efficient pulp washing system of paper pulp production line, it is characterised in that: one section two including the flow direction setting along production line
Connect vacuum pulp washing machine, one section of Var-nip press, oxygen delignification system, two section of two series connection vacuum pulp washing machine, it is intermediate starch tower and
Two sections of Var-nip press；The discharge port of one section of Var-nip press and two sections of Var-nip press is equipped with acroll press washer
Structure, the acroll press washer structure are used to carry out slurry grinding, washing and extrusion process, and two acroll press washer structures
Serum outlet is equipped with slurries conveying mechanism, and the slurries conveying mechanism is for mentioning the slurry obtained through acroll press washer structure
Liquid is taken to be delivered to the washing unit of line production system upstream.
2. the efficient pulp washing system according to claim 1 for paper pulp production line, it is characterised in that: the spiral shove
Mechanism includes casing and the main shaft being mounted in casing, the driving assembly that driving spindle rotates, the telescopic shaft being set on main shaft
The helical blade on telescopic shaft set is covered and be arranged in, is crush zone between two neighboring helical blade, and flexible axle sleeve exists
Compliant section is provided in each crush zone, the main shaft is provided with hydraulic with main shaft synchronous rotation in close feed inlet one end
Actuator, the hydraulic-driven part is for pushing flexible axle sleeve along main shaft telescopic moving；In each compliant section close to discharge port
Stretching region be provided with for the water injecting mechanism filled the water between corresponding two helical blades.
3. the efficient pulp washing system according to claim 2 for paper pulp production line, it is characterised in that: the main shaft is to become
The diameter of diameter axis body, the main shaft is gradually increased from feed inlet one end along discharge port one end, and is mounted on telescopic shaft and is covered upper phase
Screw pitch is gradually reduced from feed inlet one end along discharge port one end between adjacent two helical blades.
4. the efficient pulp washing system according to claim 3 for paper pulp production line, it is characterised in that: the water injecting mechanism
It is mounted on the upside of casing, the water injecting mechanism includes multiple water filling ports, the filling pipe being connected to multiple water filling ports and water filling
It pumps, is provided with the check valve filled the water along shell for controlling water injecting mechanism on the filling pipe.
5. the efficient pulp washing system according to claim 4 for paper pulp production line, it is characterised in that: each water filling
Filter screen is equipped on mouth, the internal side of shell is additionally provided with the outlet conduit being connected to each water filling port.
6. the efficient pulp washing system according to claim 3 for paper pulp production line, it is characterised in that: close to discharge port one
The helical blade at end is provided with gap structure, and the gap structure penetrates through the thickness of corresponding helical blade, the gap knot
The bottom of structure is at curved shape.
7. the efficient pulp washing system according to claim 3 for paper pulp production line, it is characterised in that: the compliant section is adopted
Corrugated pipe sleeve is made with corrosion-resistant elastic material, pipe sleeve both ends are fixedly connected with flexible axle sleeve.
8. the efficient pulp washing system according to claim 3 for paper pulp production line, it is characterised in that: in two neighboring spiral shell
Be provided with pressure sensor between vane piece, the pressure sensor is connected to controller, the output end of the controller with
The hydraulic-driven part connection；Including the switch block for controlling discharge port openings of sizes, the switch block and controller
Connection.
9. the efficient pulp washing system according to claim 8 for paper pulp production line, it is characterised in that: the flexible axle sleeve
It is connected with the expeller to match with chassis cavity diameter in the end close to hydraulic-driven part output shaft, the expeller is used for
The slurry for entering chassis cavity from feed inlet is pushed along discharge port one end.
10. the efficient pulp washing system according to claim 3 for paper pulp production line, it is characterised in that: along the main shaft
Periphery on it is equidistant offer the dovetail shaped sliding rail slided for flexible axle sleeve along main shaft, the inside of the flexible axle sleeve is uniform
It is provided with and the matched dovetail shaped protrusion of the dovetail shaped sliding rail.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822277652.6U CN209523054U (en) | 2018-12-28 | 2018-12-28 | Efficient pulp washing system for paper pulp production line |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822277652.6U CN209523054U (en) | 2018-12-28 | 2018-12-28 | Efficient pulp washing system for paper pulp production line |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485439A (en) * | 2020-06-01 | 2020-08-04 | 河南大学 | Reverse circulation washing method for fiber pulp |
| CN114797436A (en) * | 2022-04-02 | 2022-07-29 | 梁明志 | Thermal power generation flue gas pollution treatment system and method |
| CN115463597A (en) * | 2022-08-31 | 2022-12-13 | 马鞍山同杰良生物材料有限公司 | Starch size mixing system and size mixing method |
| CN115748289A (en) * | 2023-01-03 | 2023-03-07 | 陕西东方环保产业集团东鹏再生资源利用有限公司 | Method for improving paper seed changing efficiency in papermaking |
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2018
- 2018-12-28 CN CN201822277652.6U patent/CN209523054U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485439A (en) * | 2020-06-01 | 2020-08-04 | 河南大学 | Reverse circulation washing method for fiber pulp |
| CN114797436A (en) * | 2022-04-02 | 2022-07-29 | 梁明志 | Thermal power generation flue gas pollution treatment system and method |
| CN115463597A (en) * | 2022-08-31 | 2022-12-13 | 马鞍山同杰良生物材料有限公司 | Starch size mixing system and size mixing method |
| CN115463597B (en) * | 2022-08-31 | 2023-07-25 | 马鞍山同杰良生物材料有限公司 | Starch size mixing system and size mixing method |
| CN115748289A (en) * | 2023-01-03 | 2023-03-07 | 陕西东方环保产业集团东鹏再生资源利用有限公司 | Method for improving paper seed changing efficiency in papermaking |
| CN115748289B (en) * | 2023-01-03 | 2023-12-08 | 陕西东方环保产业集团东鹏再生资源利用有限公司 | Method for improving efficiency of paper seed replacement in papermaking |
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Address after: No.2, group 9, Yongping village, Xiaogu Town, Qianwei County, Leshan City, Sichuan Province Patentee after: Sichuan Fengsheng Paper Technology Co., Ltd Address before: 614405 Nine Formations of Yongping Village, Xiaogu Town, Qianwei County, Sichuan Province Patentee before: SICHUAN QIANWEI FENGSHENG PAPER LLC |
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