CN206625080U - A kind of paper production line pulping system - Google Patents
A kind of paper production line pulping system Download PDFInfo
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- CN206625080U CN206625080U CN201720341632.3U CN201720341632U CN206625080U CN 206625080 U CN206625080 U CN 206625080U CN 201720341632 U CN201720341632 U CN 201720341632U CN 206625080 U CN206625080 U CN 206625080U
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Abstract
The utility model discloses a kind of paper production line pulping system, belong to pulp technology for making paper.It includes size degradation part, screening purification part and is dispersed into slurry part；Described size degradation part includes chain scraper conveyor, hydrabrusher and the one section of high concentration desanding device being sequentially connected；The screening purification portion point includes discharging tower, pressurized screen, desander and the classifying screen being sequentially connected, one section of high concentration desanding device connection discharging tower of size degradation part；It is described be dispersed into slurry part include be sequentially connected polydisc thickener, screw extruder, rapid heater, heat dispersion machine, mill forebay, mill machine and into slurry tower, screening purification part classifying screen connection polydisc thickener.Tthe utility model system point three parts are refined to pulping process, and under the premise of paper pulp slurry yield is ensured, paper pulp is also preferably purified and is classified, and obtain quality pulp, meet the production requirement of different paperys.
Description
Technical field
The utility model belongs to pulp technology for making paper, more specifically to a kind of paper production line pulping system.
Background technology
Papermaking apparatus is the joint equipment of paper making, is mainly made up of the part such as net, squeezing and drying.Mesh portions cylinder
With two kinds of fourdrinier wire, press section is made up of pressure roller and papermaker's felt etc., and drying section is made up of one or several drying cylinders.Some fourdrinier wires
Machine is also equipped with calender, to improve the smoothness of paper and tightness etc..The type of papermaking apparatus is a lot, such as manufactures one-side glazed paper
MG. machine, the thin-paper machine of the more drying cylinder paper machines of fourdrinier wire, manufacture typing paper and cigarette paper etc. of the general paper of manufacture, system
Lap machine of papermaking plate etc..
Modern Paper making procedure such as is generally divided into slurrying, modulates, manufactures paper with pulp, processing at the key step, and the process of slurrying is papermaking
The first step, be to convert wood into paper pulp, modulation includes dissipating slurry, mashing, plus glue and stowing operation.The preparation of slurry is copy paper
Premise, the quality of slurry the quality of finished paper is influenceed it is very big, influence slurry key issue be its clean level,
Contained spacing length in slurry, and slurry yield, existing paper making pulp technique tend not to consider above mentioned problem, or
Gained slurry cleanliness factor is higher, but slurry yield is relatively low, and production efficiency is low, and it is spacing to distinguish length very well；So, have
Higher slurry yield, but gained slurry cleanliness factor is not high.How relation between each factor of balance influence pulp quality, be worth
Go to the direction of research.
The existing much technique on paper making pulp in the prior art, as Chinese Patent Application No. is：
201420675155.0 publication date is：The patent document on March 25th, 2015, a kind of paper technology pulping system is disclosed, wrapped
Include raw material pulper, the first sand removing machine, the first stock tank, scalping machine, the second stock tank, the second sand removing machine, classification screen(ing) machine, long fine fine screen
Machine, long fine thickener, heat dispersion machine, the 3rd stock tank, underlying material preparation portion, lining material preparation portion and capstock preparation portion；Wherein,
The scalping machine is further connected with scalping tailings pond, and the scalping tailings pond is connected with a defibrator, the fiber point
Disembark and be connected with a slag draining and separating machine；The defibrator and the slag draining and separating machine are connected with first stock tank respectively.
The system of the program has mainly accessed defibrator and slag draining and separating machine after scalping machine, will be remaining after tailings is drained
Good slurry flows back to the first stock tank, realizes the recycling of slurries.
And for example, Chinese Patent Application No. is：201420117450.4 publication date is：The patent text on June 25th, 2014
Offer, disclose a kind of classification slurrying paper production system, including Bales Off induction system, size degradation system, highly concentrated desanding device, scalping
System, low dense matter scummer, polydisc inspissator and slurry tower are selected, the Bales Off induction system connects size degradation system, described thick
One section of classifying screen is installed, the short stock of one section of classifying screen is gone out by chopped fiber between screening system and low dense matter scummer
Mouth is transported to chopped fiber feeding system；Two sections of classifying screens of long fibre outlet connection of one section of classifying screen, two sections of classifying screens will be long
Fibre pulp screening is exported respectively for long stuff and the class of middle fibre stuff two, and long stuff is exported by long fibre and conveyed
To long fibre feeding system, middle fibre stuff is transported to middle fiber feeding system by middle fiber outlet.The program is in slurrying
Increase power screen sizing apparatus in journey, carry out classification working process after body paper is starched into scalping, the processing for different size paper product makes
With.
Above two scheme be all for it is local in pulping process the problem of account for, not solve slurry cleaning journey
Fibre length distinguishes the equilibrium relation between three in degree, slurry yield and slurry, needs further to be optimized.
The content of the invention
1st, to solve the problems, such as
For in the pulping process of existing papermaking for influence slurry cleanliness factor, slurry yield and slurry classification etc. factor can not
The problem of Comprehensive Control, the utility model provide a kind of paper production line pulping system, divide three parts to carry out pulping process thin
Change, under the premise of paper pulp slurry yield is ensured, paper pulp is also preferably purified and is classified, and is obtained quality pulp, is met different paper
The production requirement of matter.
2nd, technical scheme
To solve the above problems, the utility model adopts the following technical scheme that.
A kind of paper production line pulping system, including size degradation part, screening purify part and are dispersed into slurry part；Described
Size degradation part includes chain scraper conveyor, hydrabrusher and the one section of high concentration desanding device being sequentially connected；The screening purification part
Including discharging tower, pressurized screen, desander and the classifying screen being sequentially connected, one section of high concentration desanding device connection discharging of size degradation part
Tower；Polydisc thickener, screw extruder, rapid heater, heat dispersion machine, the mill for being dispersed into slurry part and including being sequentially connected
Forebay, mill machine and into slurry tower, screening purification part classifying screen connection polydisc thickener.
As a further improvement, the slurry of the hydrabrusher outflow of the size degradation part by dreg collecting slot, discongest pump and enter
After entering impurity separator, drum sieve is passed through；The good slurry of the impurity separator outflow returns to hydrabrusher, and drum sieve filters out
Good slurry also return to hydrabrusher.
As a further improvement, the slurry of one section of high concentration desanding device outflow of the size degradation part enters two sections through sediment pot
High concentration desanding device, the good slurry of two sections of high concentration desanding device outflows return to hydrabrusher；The sediment pot and two sections of high concentration desanding devices
Connection slag extracting machine is removed the gred.
As a further improvement, pressurized screen has a level Four in the screening purification part, respectively one section of pressurized screen, two sections
Pressurized screen, three sections of pressurized screens and four sections of pressurized screens, the pulp-inlet pipe of one section of pressurized screen of outlet connection of discharging tower, one section of pressurized screen
The pulp-inlet pipe of two sections of pressurized screens of weight slag outlet connection, the pulp-inlet pipe of three sections of pressurized screens of weight slag outlet connection of two sections of pressurized screens, three
Four sections of screening reject grooves of weight slag outlet connection of section pressurized screen, four sections of screening reject grooves connect the pulp-inlet pipe of four sections of pressurized screens, four sections of pressurized screens
Heavy slag outlet connection filter press；The light cinder notch of one section of pressurized screen, two sections of pressurized screens and three sections of pressurized screens is connected to four sections of screening reject grooves；
The slurry inlet connection of good the slurry pipe and desander of level Four pressurized screen.
As a further improvement, desander has level Four, respectively one section of desander, two in described screening purification part
Section desander, three sections of desanders and four sections of desanders, the slurry inlet connection of the good slurry Guan Yuyi section desanders of level Four pressurized screen, one
The sediment ejection opening of section desander connects the slurry inlet of two sections of desanders, and the slurry of sediment ejection opening three sections of desanders of connection of two sections of desanders enters
Mouthful, the sediment ejection opening of three sections of desanders connects the slurry inlet of four sections of desanders, the sediment ejection opening connection thickener of four sections of desanders, concentration
Machine connects sludge squeezer.
As a further improvement, the slurry entrance of one section of desander of slurry outlet connection of two sections of desanders, three sections of desanding
The slurry entrance of two sections of desanders of slurry outlet connection of device, the slurry entrance of three sections of desanders of slurry outlet connection of four sections of desanders.
As a further improvement, classifying screen has two-stage, respectively one section of classifying screen and two in the screening purification part
Section classifying screen, the import of one section of classifying screen of slurry outlet connection of one section of desander, one section of classifying screen and two sections of classification sieves separate
Slurries enter different polydisc thickeners.
As a further improvement, along the circumferential direction offer multiple uniform intervals on the screen cylinder body of one section of pressurized screen
The rectangle screen slot of setting, one or more helicla flutes are along the circumferential direction opened up from top to bottom on the inwall of screen cylinder body；Described two
Round sieve is opened up on the screen cylinder body of section pressurized screen, three sections of pressurized screens and four sections of pressurized screens.
As a further improvement, the surface smear of the screen cylinder body of the pressurized screen has wearing layer.
As a further improvement, the width of rectangle screen slot is 0.6mm on the screen cylinder body of one section of pressurized screen, described two
A diameter of 2.6mm of sieve aperture on the screen cylinder body of section pressurized screen, sieve aperture is a diameter of on the screen cylinder body of three sections of pressurized screens
2.5mm, a diameter of 2.4mm of sieve aperture on the screen cylinder body of four sections of pressurized screens.
3rd, beneficial effect
Compared to prior art, the beneficial effects of the utility model are：
(1) the utility model paper production line pulping system, it is divided into three parts and processing slurrying is carried out to waste paper, is respectively
Size degradation part, screening purify part and are dispersed into slurry part, and waste paper is delivered into waterpower by size degradation part by chain scraper conveyor
Pulper forms preliminary slurries, then after being removed the gred by one section of high concentration desanding device, is passed through the discharging tower of screening purification part, further passes through
Excess pressure is screened, and more clean slurry is obtained after desander further cleans, into classifying screen to slurry
It is classified, the slurries after classification are concentrated into the polydisc thickener for being dispersed into slurry part, improve concentration, then squeeze through spiral
The further press dewatering of press, then obtain required slurry by heat partition and mill and be stored in into slurry tower；Size degradation part is main
For being broken into slurry and slurries preliminary purification to waste paper, screening purification part is substantially carried out further purification and classification, is dispersed into
Main raising concentration of slurry and slurries shaping is starched, is handled by the three parts of the system, can obtain cleanliness factor height and grading effect
Good slurry, and whole system slurry yield is higher, production efficiency is high；
(2) the utility model paper production line pulping system, the slurry that hydraulic pulping flows out in size degradation part is also by miscellaneous
Matter seperator and drum sieve are further handled, the good slurry of recovery section, improve slurry yield；The slurry of one section of high concentration desanding device discharge
Good slurry is reclaimed further across two sections of high concentration desanding device processing, also improves slurry yield；And the good slurry reclaimed is not directly to enter
Enter discharging tower, but be all passed through hydrabrusher and handle again, can effectively reduce impurity in paper pulp and flow back.
(3) the utility model paper production line pulping system, part is purified in screening, the base of scalping is carried out using pressurized screen
On plinth, scalping disposed slurry is further removed the gred, improves the cleanliness factor of slurry, reaches the requirement of follow-up fine screen, desanding
The dregs that device obtains enter thickener and sludge squeezer formed sludge can as the raw material of low grade products, reduce cost of transportation with
Production cost；And using the pressurized screen of level Four, by layering, remove larger dregs in slurry, its good separating effect, slagging-off
Efficiency high, meanwhile, the light slag that the pressurized screen of preceding three-level obtains, which is first passed through in four sections of screening reject grooves, to be stored, and after slag precipitation, is entered back into
Four sections of pressurized screens carry out last and filtering, so as to reduce stock losses, improve slurry yield, the slag quilt after four sections of pressurized screens
Filter press compression is condensed into a blob of slag for required concentration, byproduct sources can be used as to improve income；
(4) the utility model paper production line pulping system, part is purified in screening, is progressively entered using the desander of level Four
Row screening reject, and the slurry that next stage obtains returns to upper level postsearch screening, on the premise of with higher slurry yield, also can
Dregs depth more are screened out, further improve the cleanliness factor of gained slurry；
(5) the utility model paper production line pulping system, part is purified in screening, is exported out from the slurry of one-level desander
The slurry come carries out classification processing into classifying screen, the gradable slurry for filtering out required different fibre lengths, meets that papery is given birth to
Produce the different demands of surface layer, sandwich layer and bottom；
(6) the utility model paper production line pulping system, in screening purifies part, the screen cylinder body of one section of pressurized screen
Using rectangle screen slot, increase the overall percent opening of sieve, increase slurry through amount, substantially increase the quality of screening the pulp, reduce pressurized screen fortune
Row energy consumption；
(7) the utility model paper production line pulping system, in screening purifies part, starched according to crossing for pressurized screens at different levels
Situation, gap size on optimization design screen cylinder body, use the width of rectangle screen slot on the screen cylinder body of one section of pressurized screen for
0.6mm, a diameter of 2.6mm of sieve aperture on the screen cylinder body of two sections of pressurized screens, sieve aperture is straight on the screen cylinder body of three sections of pressurized screens
Footpath is 2.5mm, a diameter of 2.4mm of sieve aperture on the screen cylinder body of four sections of pressurized screens, is obtained between slurry yield and screening reject preferable
Equalization point, be advantageous to improve equipment overall operation efficiency；
(8) the utility model paper production line pulping system, in screening purifies part, the table of the screen cylinder body of pressurized screen
Face is coated with wearing layer, and this structure design causes screen cylinder body to can adapt to the slurry more than bits, and wear rate is relatively low.
Brief description of the drawings
Fig. 1 is the FB(flow block) of the utility model paper production line pulping system size degradation part；
Fig. 2 is the FB(flow block) of the utility model paper production line pulping system screening purification part；
Fig. 3 is the FB(flow block) that the utility model paper production line pulping system is dispersed into slurry part；
Fig. 4 is the structural representation of the screen cylinder of one section of pressurized screen in screening purification part.
In figure：1st, screen cylinder body；2nd, rectangle screen slot；3rd, helicla flute.
Embodiment
The utility model is further described below with reference to specific embodiments and the drawings.
Embodiment 1
As shown in Figure 1, Figure 2, Figure 3 shows, the present embodiment provides a kind of paper production line pulping system, including size degradation part, sieve
Choosing purifies part and is dispersed into slurry part；Wherein, described size degradation part includes chain scraper conveyor, the hydraulic pulping being sequentially connected
Machine and one section of high concentration desanding device；The screening purification portion point includes discharging tower, pressurized screen, desander and the classification being sequentially connected
Sieve, one section of high concentration desanding device connection discharging tower of size degradation part；The polydisc concentration for being dispersed into slurry part and including being sequentially connected
Machine, screw extruder, rapid heater, heat dispersion machine, mill forebay, mill machine and into slurry tower, screening purification part classifying screen
Connect polydisc thickener.
The system is divided into three parts and processing slurrying is carried out to waste paper, and size degradation part is conveyed waste paper by chain scraper conveyor
Preliminary slurries are formed into hydrabrusher, then after being removed the gred by one section of high concentration desanding device, are passed through the discharging tower of screening purification part,
Screened further across pressurized screen, and more clean slurry is obtained after desander further cleans, into classification
Sieve is classified to slurry, and the slurries after classification are concentrated into the polydisc thickener for being dispersed into slurry part, improves concentration, then
Through the further press dewatering of screw extruder, then obtain required slurry by heat partition and mill and be stored in into slurry tower；Size degradation
Part is mainly used in being broken into waste paper slurry and slurries preliminary purification, screens purification part and is substantially carried out further purification and divides
Level, is dispersed into that slurry is main to improve concentration of slurry and slurries shaping, is handled by the three parts of the system, can obtain cleanliness factor it is high and
The good slurry of grading effect, and whole system slurry yield is higher, production efficiency is high.
In the present embodiment, the slurry of the hydrabrusher of size degradation part outflow by dreg collecting slot, discongest pump enter it is miscellaneous
After matter seperator, drum sieve is passed through；The good slurry of the impurity separator outflow returns to hydrabrusher, and drum sieve filters out good
Slurry also returns to hydrabrusher.The slurry that hydraulic pulping flows out further is handled using impurity separator and drum sieve, reclaimed
The good slurry in part, improve slurry yield.Also, the slurry of one section of high concentration desanding device outflow enters two sections of high concentration desanding devices through sediment pot,
The good slurry of two sections of high concentration desanding device outflows returns to hydrabrusher, also improves slurry yield.Herein, the good slurry of recovery is not direct
Into discharging tower, but all it is passed through hydrabrusher and handles again, can effectively reduces impurity in paper pulp and flow back.Sediment pot and two sections
High concentration desanding device connection slag extracting machine can be removed the gred.
It should be noted that pressurized screen has level Four, respectively one section of pressurized screen, two sections of pressures in the screening purification part
Power sieve, three sections of pressurized screens and four sections of pressurized screens, the pulp-inlet pipe of one section of pressurized screen of outlet connection of discharging tower, the weight of one section of pressurized screen
The pulp-inlet pipe of two sections of pressurized screens of slag outlet connection, the pulp-inlet pipe of three sections of pressurized screens of weight slag outlet connection of two sections of pressurized screens, three sections
Four sections of screening reject grooves of weight slag outlet connection of pressurized screen, four sections of screening reject grooves connect the pulp-inlet pipe of four sections of pressurized screens, four sections of pressurized screens
Weight slag outlet connection filter press；The light cinder notch of one section of pressurized screen, two sections of pressurized screens and three sections of pressurized screens is connected to four sections of screening reject grooves；Four
The slurry inlet connection of good the slurry pipe and desander of stage pressure sieve.On the basis of carrying out scalping using pressurized screen, to scalping disposed slurry
Further removed the gred, improve the cleanliness factor of slurry, reach the requirement of follow-up fine screen, the dregs that desander obtains enter concentration
Machine and sludge squeezer, which form sludge, to reduce cost of transportation and production cost as the raw material of low grade products；And using four
The pressurized screen of level, by layering, larger dregs in slurry being removed, its good separating effect, remove the gred efficiency high, meanwhile, first three
The light slag that the pressurized screen of level obtains, which is first passed through in four sections of screening reject grooves, to be stored, and after slag precipitation, is entered back into four sections of pressurized screens and is carried out most
Afterwards and filtering, so as to reduce stock losses, slurry yield is improved, the slag after four sections of pressurized screens is condensed into by filter press compression
A blob of slag for required concentration, byproduct sources can be used as to improve income.
Further, desander also has a level Four in screening purification part, respectively one section of desander, two sections of desanders,
Three sections of desanders and four sections of desanders, the slurry inlet connection of the good slurry Guan Yuyi section desanders of level Four pressurized screen, one section of desander
Sediment ejection opening connect the slurry inlets of two sections of desanders, the sediment ejection opening of two sections of desanders connects the slurry inlet of three sections of desanders, three sections
The sediment ejection opening of desander connects the slurry inlet of four sections of desanders, the sediment ejection opening connection thickener of four sections of desanders, thickener connection
Sludge squeezer.The slurry entrance of one section of desander of slurry outlet connection of two sections of desanders, the slurry outlet connection two of three sections of desanders
The slurry entrance of section desander, the slurry entrance of three sections of desanders of slurry outlet connection of four sections of desanders.Using level Four desander by
Step carries out screening reject, and the slurry that next stage obtains returns to upper level postsearch screening, on the premise of with higher slurry yield,
Dregs depth more can be screened out, further improve the cleanliness factor of gained slurry.
Classifying screen has two-stage, respectively one section of classifying screen and two sections of classifying screens in the screening purification part, and one section is removed
The import of one section of classifying screen of slurry outlet connection of sand device, the slurries that one section of classifying screen and two sections of classification sieves separate enter different
Polydisc thickener, the gradable slurry for filtering out required different fibre lengths, meet papery production surface layer, sandwich layer and bottom not
Same demand.
Embodiment 2
The present embodiment provides a kind of paper production line pulping system, and substantially the same manner as Example 1, difference is：Sieve
In choosing purification part, the structure of the screen cylinder body 1 of one section of pressurized screen on screen cylinder body 1 as shown in figure 4, along the circumferential direction offer
The rectangle screen slot 2 that multiple uniform intervals are set, one or more is along the circumferential direction opened up from top to bottom on the inwall of screen cylinder body 1
Helicla flute 3, screen slot width are 0.6mm；And opened on the screen cylinder body 1 of two sections of pressurized screens, three sections of pressurized screens and four sections of pressurized screens
If round sieve, and on the screen cylinder body 1 of two sections of pressurized screens sieve aperture a diameter of 2.6mm, on the screen cylinder body 1 of three sections of pressurized screens
A diameter of 2.5mm of sieve aperture, a diameter of 2.4mm of sieve aperture on the screen cylinder body 1 of four sections of pressurized screens.These parameters are according to pressures at different levels
The pulpous state condition of crossing of power sieve is summarized to obtain by long-term production, and preferable equalization point is obtained between slurry yield and screening reject, is advantageous to
Improve equipment overall operation efficiency.Traditional scalping, round sieve is also used in one section of pressurized screen, its aperture reaches 1.6mm, single
Platform screens area at 3.14/0.46 square metres, and energy consumption is larger, and pressurized screen running current load is up to 92%, equipment fluctuation of service,
Seriously constrain slurry through amount；And the present embodiment uses rectangle screen slot 2, gap can be reduced to 0.6mm, increase the overall perforate of sieve
Rate, increase slurry through amount, substantially increase the quality of screening the pulp, reduce pressurized screen operation energy consumption；And the spiral on the inwall of screen cylinder body 1
Groove was used as stock tank so that the slurry up and down of sieve is uniform.Meanwhile the surface smear of the screen cylinder body 1 of pressurized screen has wearing layer, this
Structure design causes screen cylinder body to can adapt to the slurry more than bits, and wear rate is relatively low.
Schematically the utility model and embodiments thereof are described above, this describes no restricted, accompanying drawing
Shown in be also one of embodiment of the present utility model, actual structure is not limited thereto.So if this area
Those of ordinary skill enlightened by it, do not depart from the utility model create objective in the case of, without creativeness design
The frame mode similar to the technical scheme and embodiment, the scope of protection of the utility model all should be belonged to.
Claims (10)
1. a kind of paper production line pulping system, including size degradation part, screening purify part and be dispersed into slurry part, its feature exists
In：Described size degradation part includes chain scraper conveyor, hydrabrusher and the one section of high concentration desanding device being sequentially connected；The screening
Purification portion point includes discharging tower, pressurized screen, desander and the classifying screen being sequentially connected, and one section of high concentration desanding device of size degradation part connects
Unload and expect tower；The polydisc thickener starched part and include being sequentially connected, screw extruder, rapid heater, the heat of being dispersed into is divided
Dissipate machine, grind forebay, mill machine and into slurry tower, screening purifies the classifying screen connection polydisc thickener of part.
A kind of 2. paper production line pulping system according to claim 1, it is characterised in that：The waterpower of the size degradation part
The slurry of pulper outflow by dreg collecting slot, discongest pump into after impurity separator, be passed through drum sieve；The impurity separator stream
The good slurry gone out returns to hydrabrusher, and the good slurry that drum sieve filters out also returns to hydrabrusher.
A kind of 3. paper production line pulping system according to claim 2, it is characterised in that：One section of the size degradation part
The slurry of high concentration desanding device outflow enters two sections of high concentration desanding devices through sediment pot, and the good slurry of two sections of high concentration desanding device outflows returns to water
Power pulper；The sediment pot and two sections of high concentration desanding device connection slag extracting machines are removed the gred.
A kind of 4. paper production line pulping system according to claim 1 or 2 or 3, it is characterised in that：The screening purification
Pressurized screen has level Four, respectively one section of pressurized screen, two sections of pressurized screens, three sections of pressurized screens and four sections of pressurized screens, discharging in part
The pulp-inlet pipe of one section of pressurized screen of outlet connection of tower, the pulp-inlet pipe of two sections of pressurized screens of weight slag outlet connection of one section of pressurized screen, two
The pulp-inlet pipe of three sections of pressurized screens of weight slag outlet connection of section pressurized screen, four sections of screening reject grooves of weight slag outlet connection of three sections of pressurized screens,
Four sections of screening reject grooves connect the pulp-inlet pipe of four sections of pressurized screens, the heavy slag outlet connection filter press of four sections of pressurized screens；One section of pressurized screen, two
The light cinder notch of section pressurized screen and three sections of pressurized screens is connected to four sections of screening reject grooves；The slurry inlet of good the slurry pipe and desander of level Four pressurized screen
Connection.
A kind of 5. paper production line pulping system according to claim 4, it is characterised in that：Described screening purification part
Middle desander has level Four, respectively one section of desander, two sections of desanders, three sections of desanders and four sections of desanders, four stage pressures
The slurry inlet connection of the good slurry Guan Yuyi section desanders of sieve, the sediment ejection opening of one section of desander connect the slurry inlet of two sections of desanders,
The sediment ejection opening of two sections of desanders connects the slurry inlet of three sections of desanders, and the sediment ejection opening of three sections of desanders connects the slurry of four sections of desanders
Import, the sediment ejection opening connection thickener of four sections of desanders, thickener connection sludge squeezer.
A kind of 6. paper production line pulping system according to claim 5, it is characterised in that：The slurry of two sections of desanders
The slurry entrance of one section of desander of outlet connection, the slurry entrance of two sections of desanders of slurry outlet connection of three sections of desanders, four sections of desanding
The slurry entrance of three sections of desanders of slurry outlet connection of device.
A kind of 7. paper production line pulping system according to claim 5, it is characterised in that：In the screening purification part
Classifying screen has two-stage, respectively one section of classifying screen and two sections of classifying screens, one section of classifying screen of slurry outlet connection of one section of desander
Import, the slurries that one section of classifying screen and two sections of classification sieves separate enter different polydisc thickeners.
A kind of 8. paper production line pulping system according to claim 4, it is characterised in that：The sieve of one section of pressurized screen
Rouse and the rectangle screen slot (2) that multiple uniform intervals are set along the circumferential direction is offered on body (1), on the inwall of screen cylinder body (1)
One or more helicla flutes (3) are along the circumferential direction opened up from top to bottom；Two sections of pressurized screens, three sections of pressurized screens and four sections of pressure
Round sieve is opened up on the screen cylinder body (1) of sieve.
A kind of 9. paper production line pulping system according to claim 8, it is characterised in that：The screen cylinder sheet of the pressurized screen
The surface smear of body (1) has wearing layer.
A kind of 10. paper production line pulping system according to claim 8, it is characterised in that：One section of pressurized screen
The width of rectangle screen slot (2) is 0.6mm on screen cylinder body (1), the diameter of sieve aperture on the screen cylinder body (1) of two sections of pressurized screens
For 2.6mm, a diameter of 2.5mm of sieve aperture on the screen cylinder body (1) of three sections of pressurized screens, on the screen cylinder body (1) of four sections of pressurized screens
A diameter of 2.4mm of sieve aperture.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108004822A (en) * | 2017-11-29 | 2018-05-08 | 犍为三环纸业有限责任公司 | A kind of corrugated paper paper pulp processing system |
| CN108411676A (en) * | 2018-05-30 | 2018-08-17 | 山东杰锋机械制造有限公司 | Energy-efficient paper pulp coarse sizing system |
| CN108677583A (en) * | 2018-07-17 | 2018-10-19 | 玖龙纸业(重庆)有限公司 | Annular screen and its application in pressurized screen |
| CN110093802A (en) * | 2019-06-13 | 2019-08-06 | 中国轻工业长沙工程有限公司 | A kind of waste paper pulp-making fiber classification and fine-screening system |
| CN110396848A (en) * | 2019-08-02 | 2019-11-01 | 郑州磊展科技造纸机械有限公司 | A kind of waste paper pulp-making system |
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| CN108004822A (en) * | 2017-11-29 | 2018-05-08 | 犍为三环纸业有限责任公司 | A kind of corrugated paper paper pulp processing system |
| CN108411676A (en) * | 2018-05-30 | 2018-08-17 | 山东杰锋机械制造有限公司 | Energy-efficient paper pulp coarse sizing system |
| CN108411676B (en) * | 2018-05-30 | 2023-07-18 | 山东杰锋机械制造有限公司 | High-efficiency energy-saving pulp coarse screening system |
| CN108677583A (en) * | 2018-07-17 | 2018-10-19 | 玖龙纸业(重庆)有限公司 | Annular screen and its application in pressurized screen |
| CN108677583B (en) * | 2018-07-17 | 2023-09-05 | 玖龙纸业(重庆)有限公司 | Annular screen and application thereof in pressure screen |
| CN110093802A (en) * | 2019-06-13 | 2019-08-06 | 中国轻工业长沙工程有限公司 | A kind of waste paper pulp-making fiber classification and fine-screening system |
| CN110093802B (en) * | 2019-06-13 | 2024-05-28 | 中国轻工业长沙工程有限公司 | Fiber classification and fine screening system for waste paper pulping |
| CN110396848A (en) * | 2019-08-02 | 2019-11-01 | 郑州磊展科技造纸机械有限公司 | A kind of waste paper pulp-making system |
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Address after: 243000 Anhui city in Ma'anshan Province, Huashan district and Road No. 3 Patentee after: Eagle International Holdings Ltd. Address before: 243000 Anhui city in Ma'anshan Province, Huashan district and Road No. 3 Patentee before: Anhui Shanying Paper Industry Co., Ltd. |
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Assignee: Shanying Huazhong Paper Co., Ltd. Assignor: Eagle International Holdings Ltd. Contract record no.: 2019340000003 Denomination of utility model: Pulping system of papermaking production line Granted publication date: 20171110 License type: Exclusive License Record date: 20190307 |
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