CN109423905A - A kind of paper pulp production line system of no discharging of waste liquid - Google Patents

A kind of paper pulp production line system of no discharging of waste liquid Download PDF

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Publication number
CN109423905A
CN109423905A CN201710759368.XA CN201710759368A CN109423905A CN 109423905 A CN109423905 A CN 109423905A CN 201710759368 A CN201710759368 A CN 201710759368A CN 109423905 A CN109423905 A CN 109423905A
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CN
China
Prior art keywords
shove
press master
production line
pond
paper pulp
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Pending
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CN201710759368.XA
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Chinese (zh)
Inventor
刘长如
钱月起
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Heilongjiang Like Technology Co Ltd
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Heilongjiang Like Technology Co Ltd
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Priority to CN201710759368.XA priority Critical patent/CN109423905A/en
Publication of CN109423905A publication Critical patent/CN109423905A/en
Pending legal-status Critical Current

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    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21BFIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00Fibrous raw materials or their mechanical treatment
    • D21B1/04Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30Defibrating by other means
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00Regeneration of pulp liquors or effluent waste waters
    • D21C11/0007Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00Regeneration of pulp liquors or effluent waste waters
    • D21C11/0021Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/18De-watering; Elimination of cooking or pulp-treating liquors from the pulp
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21DTREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20Methods of refining

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)

Abstract

The invention discloses a kind of paper pulp production line systems of no discharging of waste liquid, it includes the multiple reaction members and Duo Tai press master along production line flow direction setting, the slurry that the reaction member is used to be blended with medicament is softened and/or is cured, and the press master is used to carry out grinding, washing, extruding, and/or rubbing to slurry to handle;Wherein, an at least press master is provided between two adjacent reaction members;Every press master is each equipped with shove pond, and with the shove liquid for receiving press master discharge, the shove pond is configured with pump assembly, for being at least delivered to the shove liquid in shove pond in the reaction member and/or press master of upstream.Paper pulp production line system of the invention can farthest realize recycling for the waste material generated in pulp production, achieve the effect that no waste mine is discharged.

Description

A kind of paper pulp production line system of no discharging of waste liquid
Technical field
The present invention relates to paper making equipment technical fields, and in particular to a kind of paper pulp production line system of no discharging of waste liquid.
Background technique
In the prior art, pulp production is the Main Stage that pollution is generated in paper industry, can not only be generated a large amount of Exhaust gas, waste liquid, while various digesting technoloys used by it are also needed using a large amount of steam, thus it is a large amount of to have to use up The resources such as water, electricity, coal.For example, a large amount of black liquor generated during shove, often cause the principal element of environmental pollution One of.Therefore, people refer to paper technology, and when especially referring to pulp production technology, what is often expected first is all its environment Disagreeableness one side.
For this purpose, exploitation cleaning pulping equipment and technology, can be always especially this without the pulp production technology of discharging of waste liquid One of the main target that the technical staff in field lays siege to.
Summary of the invention
Based on above-mentioned status, the main purpose of the present invention is to provide a kind of paper pulp production line system of no discharging of waste liquid, It can farthest realize recycling for the waste material generated in pulp production, achieve the effect that no waste mine is discharged.
To achieve the above object, The technical solution adopted by the invention is as follows:
A kind of paper pulp production line system of no discharging of waste liquid, including multiple reaction members and more along production line flow direction setting Platform press master, the reaction member are used to be blended with the slurry of medicament to be softened and/or cured, the press master for pair Slurry carries out grinding, washing, extruding, and/or rubbing processing;Wherein, at least one is provided between two adjacent reaction members Platform press master;Every press master is each equipped with shove pond, with the shove liquid for receiving press master discharge, the shove pond configuration There is pump assembly, for being at least delivered to the shove liquid in shove pond in the reaction member and/or press master of upstream.
Preferably, every press master is configured with independent shove pond, and each shove pond is configured with independent pump assembly.
Preferably, the multiple reaction member includes the first reaction member for being located at most upstream side along production line flow direction, institute Stating more press masters includes the first press master that first reaction member downstream is arranged in, and first press master is configured with the One shove pond, first shove pond be configured with the first pump assembly, first pump assembly include the first outlet tube, described first The liquid outlet of outlet tube, which leads to the raw material mixed zone that first reaction member upstream is arranged in, and/or leads to, to be arranged described Shove liquid outside paper pulp production line recycles area.
Preferably, the more press masters further include the second press master that first press master downstream is arranged in, described Second press master is configured with the second shove pond, and second shove pond is configured with the second pump assembly, and second pump assembly includes Second outlet tube,
The liquid outlet of second outlet tube leads to the slurry conveying dress that the first press master feeding inlet upstream is arranged in It sets or the feeding inlet of first press master;And/or
The liquid outlet of second outlet tube leads to the raw material mixed zone that first reaction member upstream is arranged in;With/ Or,
The liquid outlet of second outlet tube leads to the shove liquid being arranged in outside the paper pulp production line and recycles area.
Preferably, the more press masters further include the third press master that second press master downstream is arranged in, described Third press master is configured with third shove pond, and third shove pond is configured with third pump assembly, and the third pump assembly includes Third outlet tube,
The liquid outlet of the third outlet tube leads to the slurry conveying dress that the second press master feeding inlet upstream is arranged in It sets or the feeding inlet of second press master;And/or
The liquid outlet of the third outlet tube leads to the slurry conveying dress that the first press master feeding inlet upstream is arranged in It sets or the feeding inlet of first press master;And/or
The liquid outlet of the third outlet tube leads to the raw material mixed zone that first reaction member upstream is arranged in;With/ Or,
The liquid outlet of the third outlet tube leads to the shove liquid being arranged in outside the paper pulp production line and recycles area.
Preferably, the multiple reaction member further includes the second reaction member that third press master downstream is arranged in, The more press masters further include the 4th press master that second reaction member downstream is arranged in, the 4th press master configuration There is the 4th shove pond, the 4th shove pond is configured with the 4th pump assembly, and the 4th pump assembly includes the 4th outlet tube,
The liquid outlet of 4th outlet tube leads to the slurry conveying dress that the third press master feeding inlet upstream is arranged in It sets or the feeding inlet of the third press master;And/or
The liquid outlet of 4th outlet tube leads to the slurry conveying dress that the second press master feeding inlet upstream is arranged in It sets or the feeding inlet of second press master;And/or
The liquid outlet of 4th outlet tube leads to the slurry conveying dress that the first press master feeding inlet upstream is arranged in It sets or the feeding inlet of first press master;And/or
The liquid outlet of 4th outlet tube leads to the raw material mixed zone that first reaction member upstream is arranged in;With/ Or
The liquid outlet of 4th outlet tube leads to the shove liquid being arranged in outside the paper pulp production line and recycles area.
Preferably, each outlet tube is equipped with switch valve, with the on-off for controlling each liquid outlet.
Preferably, further include control unit, at least one shove pond be equipped with liquid level detection unit, described control unit with The liquid level detection unit is connected, for controlling corresponding pump assembly according to the testing result of the liquid level detection unit.
Preferably, it is additionally provided with sediment feeding device at least part shove pond, for sinking shove bottom of pond portion Starch is transported to outside shove pond.
Preferably, the sediment feeding device includes spiral conveying mechanism.
It preferably, further include that waste material recycles area, the sediment feeding device is used for the sediment of shove bottom of pond portion It is transported to the waste material and recycles area.
Preferably, the waste material recycles area to be also configured with non-fiber dry matter feeding device, to be used for the waste material Area is recycled to transport non-fiber dry matter.
Preferably, slurry conveying device is connected at the feeding inlet of the reaction member and/or press master, the slurry is defeated Device is sent to be equipped with medicament adding mouth, the pump assembly is by the corresponding medicament adding mouth of piping connection, to realize shove liquid It is delivered in the reaction member and/or press master of upstream.
Paper pulp production line system of the invention is transmitted back in upstream equipment by the shove liquid for generating press master, can be most It realizes recycling for production waste material to big degree, achievees the effect that no waste liquid discharge;Compared to traditional paper pulp production line, originally The paper pulp production line of invention has achieved the effect that no pollution, zero-emission, solves paper industry and there is substantial pollution all the time Problem.
Detailed description of the invention
Hereinafter reference will be made to the drawings is described the preferred embodiment of paper pulp production line system according to the present invention.Figure In:
Figure 1A is a kind of functional block diagram of paper pulp production line system according to the present invention;
Figure 1B is a kind of total arrangement schematic diagram of the paper pulp production line system of preferred embodiment according to the present invention;
Fig. 2 is a kind of structural schematic diagram of preferred embodiment of the reactor tank in Figure 1B;
Fig. 3 is the partial enlarged view of a-quadrant in Fig. 2;
Fig. 4 is a kind of structural schematic diagram of preferred embodiment of the press master in Figure 1B;
Fig. 5 is the schematic top plan view of Fig. 4;
Fig. 6 is the A-A schematic cross-sectional view in Fig. 5;
Fig. 7 is the B-B schematic cross-sectional view in Fig. 5;
Fig. 8 is the C-C schematic cross-sectional view in Fig. 5;
Fig. 9 is a kind of principle signal of paper pulp production line shove liquid recovery system of preferred embodiment according to the present invention Figure.
Specific embodiment
For various drawbacks in the presence of pulp production in the prior art, the invention proposes a kind of new paper pulp Line production system can be realized cleaning pulping technology, can contain fibre with a variety of stalks, wheat straw, shrub, timber, bamboo etc. The material of dimension element is raw material, obtains finished product paper pulp in pollution-free and energy saving mode.
Paper pulp production line without discharging of waste liquid of the invention include along production line flow direction setting multiple reaction members and More press masters, the slurry that the reaction member is used to be blended with medicament are softened and/or are cured, and the press master is used for Grinding, washing, extruding, and/or rubbing processing are carried out to slurry, wherein be provided at least between two adjacent reaction members One press master, every press master are each equipped with shove pond, and with the shove liquid for receiving press master discharge, the shove pond is matched It is equipped with pump assembly, for being at least delivered to the shove liquid in shove pond in the reaction member and/or press master of upstream.
Paper pulp production line system of the invention is transmitted back in upstream equipment by the shove liquid for generating press master, can be most It realizes recycling for production waste material to big degree, achievees the effect that no waste liquid discharge;Compared to traditional paper pulp production line, originally The paper pulp production line of invention has achieved the effect that no pollution, zero-emission, solves paper industry and there is substantial pollution all the time Problem.
Preferably, every press master is configured with independent shove pond, and each shove pond is configured with independent pump assembly.When So, multiple press masters share shove pond or multiple shove ponds and share pump assembly and feasible.
Specifically, slurry conveying device, the slurry can connect at the feeding inlet of the reaction member and/or press master Material conveying device is equipped with medicament adding mouth, and the pump assembly can be by the corresponding medicament adding mouth of piping connection, to realize Shove liquid is delivered in the reaction member and/or press master of upstream
Specifically, referring first to Figure 1A, paper pulp production line system of the invention includes successively setting along the flow direction of production line The first reaction member 100, the first shove unit 200, the second reaction member 300, the second shove unit 400, defibrination unit set 500 and third reaction member 600.That is, in the preferred embodiment, paper pulp production line system includes three reaction members, two A shove unit and a defibrination unit.
Wherein, first reaction member 100 be used for be blended with medicament cellulosic material (such as in advance by size degradation at Suitably sized specification, as 2-3cm long) carries out softening and preliminary maturation process;Wherein, soften medicament used for example including alkali (such as NaOH) and hydrogen peroxide.
The slurry that the first shove unit 200 is used to export first reaction member 100 carry out grinding, washing, It squeezes, and/or rubbing is handled, refine the fiber in slurry gradually.
Second reaction member 300 is for further being cured the slurry that the first shove unit 200 exports And/or sofening treatment.
The slurry that the second shove unit 400 is used to export second reaction member 300 carry out grinding, washing, It squeezes, and/or rubbing is handled, refine the fiber in slurry further.
The defibrination unit 500 is washed for grinding the slurry that the second shove unit 400 exports It washs.
The third reaction member 600 is used to carry out in the slurry that the defibrination unit 500 exports last softening and ripe Change processing, or bleaching is carried out simultaneously, finished product paper pulp can be obtained.
Paper pulp production line system of the invention during extracting good fiber quality, can be realized slurrying, bleaching, mill paddle, Dissociation, the synchronous optimum efficiency carried out of curing, make stalk slurrying have many advantages, such as at low cost, good product quality.
Compared with traditional pulp production plant, paper pulp production line system of the invention water during producing paper pulp It is few, do not have to any external heat source (including boiler, steam etc.), power saving, saves the energy at water-saving, effectively prevents due to conventional boil The drawbacks of waste water and gas that pulping process generates pollutes soil, river, air etc..
Preferably, paper pulp production line system of the invention can also include that raw material storage element (such as will be discussed later Feed bin 4 or similar devices), the upstream of first reaction member 100 is arranged in the raw material storage element, for store close Desired cellulosic material (such as screening by crusher 2 size degradation and by bolter 3, or directly outsourcing), institute State be provided between raw material storage element and first reaction member 100 first helix transporting device (such as below will retouch The helix transporting device 18 stated).
Preferably, first helix transporting device includes feeding inlet and discharge port, and in the feeding inlet and described Medicament adding mouth is additionally provided between discharge port, such as on the shell being arranged in, for medicament and water etc. to be added.
Preferably, first helix transporting device includes the first conveying screw rod, wherein the spiral shell of first conveying screw rod Vane on piece is at least equipped with stirrer gear on the part for being located at medicament adding mouth downstream, thus to the first helical feed After medicament and water is added in device, first helix transporting device can on one side convey material, while be directed at material and be stirred, with Make material, medicament and water energy are enough to be sufficiently mixed when reaching the first reaction member 100 uniformly.Specifically, stirrer gear can be set On the radially outward edge of helical blade.
Preferably, as shown in Figure 1B, first reaction member 100 includes the first reactor tank 5, second reaction member 300 include the second reactor tank 9, and the third reaction member 600 includes third reactor tank 12;And/or the first shove unit 100 include three press masters, that is, the first press master 6, the second press master 7 and the third press master 8 set gradually;And/or institute Stating the second shove unit 400 includes a press master, i.e. the 4th press master 10.
Preferably, the defibrination unit 500 includes high-density paste mill 11.
Above-mentioned each press master is preferably all twin-screw press master.
The paper pulp production line system of preferred embodiment shown in Figure 1B is when using stalk production paper pulp, cellulose separation It is very good to obtain, and wherein non-cellulose content is than tradition TMP (preheat grinding machine pulp) few 30%;After high-density paste mill, Its size performance is then similar to TMP, but can save refining energy consumption 30%.
Preferably, the revolving speed of first press master 6, second press master 7 and the third press master 8 is successively passed Subtract, such as respectively 18-22rpm, 14-17rpm and 8-12rpm.By the way that the shove revolving speed to successively decrease is arranged, can be better achieved The gradually purpose of the fiber in refined pulp.
Preferably, in a preferred embodiment, as shown in Figure 1B, paper pulp production line system of the invention further includes setting Set the feed bin 4 in 5 upstream of the first reactor tank, bolter 3, crusher 2 and raw material (such as forage) transporter 1, thus can realize from Continuous production process of the natural material to finished product paper pulp.It is carried out for example, the forages such as stalk are delivered in crusher 2 by transporter 1 Size degradation, such as size degradation is at the forage section of 2-3cm long, after be transported in bolter 3 and screened through helix transporting device 15, sieve Cellulosic material after choosing is transported in feed bin 4 through helix transporting device 17, then by transporting in feed bin 4 through helix transporting device 18 Into the first reactor tank 5.And the non-fibrous material after the screening of bolter 3 is then transported to non-fiber through helix transporting device 16 Substance memory block, for Fodder making or organic fertilizer etc..
It preferably, can thereto uniformly during cellulosic material is transported to the first reactor tank 5 from feed bin 4 The medicaments such as alkali and hydrogen peroxide and water is added in ground, and preferably stirs evenly, and is subsequently transported in the first reactor tank 5, cellulose Autothermal reaction occurs in the first reactor tank 5 for raw material and medicament, carries out first of softening and preliminary maturation process.Specifically, example As shown in Fig. 2, material adding mouth 181 is provided on helix transporting device 18, for medicament and water etc. to be added.
Preferably, as shown in Fig. 2, the first reactor tank 5 is horizontal reacting tank, spiral conveying mechanism is vertically arranged in tank 51, there are two effects for the helicoidal gear 51 tool, first is that slurry is slowly transported to outlet by arrival end (being left end in figure) End (being right end in figure), second is that slurry is sufficiently mixed with medicament and is adequately reacted, slurry is in the first reactor tank 5 It is interior to go out tank after conveying and reaction after a period of time, complete first of softening and preliminary maturing process.
As shown in Figure 1B, the outlet end of the first reactor tank 5 connects the pan feeding of the first press master 7 by helix transporting device 19 Mouthful, so as to which the slurry for passing through first of softening and preliminary maturation process to be transported in the first press master 7, to carry out pair Slurry carries out the processing such as grinding, washing, extruding, and/or rubbing.
However, during slurry is conveyed and reacted in the first reactor tank 5, it is easy to be condensed into and sticks together, causes to be discharged The speed of first reactor tank 5 is uneven, thus influences the pan feeding uniformity of the first press master 7.
Thus, it is preferable that as shown in Figures 2 and 3, the outlet end of the first reactor tank 5 of the invention is additionally provided with filling device 52, which has the function of to break up at the slurry that sticks together, to make slurry that can equably be sent into next process.Specifically Ground, filling device 52 include motor 521, transmission mechanism 522, bearing assembly 523 and dnockout knife 524, wherein motor 521 is fixed It is installed on the inside of the first reactor tank 5, such as is mounted on tank skin, transmission mechanism 522 is preferably chain-drive mechanism, and being used for will be electric It is transmitted on dnockout knife 524 after the rotation speed change of machine 521, so that dnockout knife 524 can carry out under the driving of motor 521 Spiral conveying mechanism 51 is conveyed the slurry to come and equably broken up by rotation.
Specifically, for 524 empty set of dnockout knife on the main shaft 53 of the first reactor tank 5, which is spiral conveying mechanism 51 central axis, bearing assembly 523 are mounted on main shaft 53, and 523 bearing inner race of bearing assembly is relative to the main shaft 53 Fixed, the bearing outer ring of bearing assembly 523 and the dnockout knife 524 are relatively fixed, and the sprocket wheel of 522 end of transmission mechanism is equally empty Cover it is on main shaft 53 and equally relatively fixed with the bearing outer ring of bearing assembly 523, thus just realize dnockout knife 524 by Driving rotation.
The structure of second reactor tank 9 and third reactor tank 12 is similar with the first reactor tank 5.
After slurry is fallen from the outlet end of the first reactor tank 5, the first press master 6 can be entered through helix transporting device 19, After the grinding of the first press master, washing, extruding, and/or rubbing, crude fibre is obtained.Discharging of the slurry from the first press master 6 After mouth discharge, then through helix transporting device 20 into the second press master 7, grinding, washing, extruding, and/or rubbing are carried out again Afterwards, fiber further refines.Slurry enters third after the discharge of the discharge port of the second press master 7, then through helix transporting device 21 Press master 8 comes out, through spiral transferring after carrying out grinding, washing, extruding, and/or rubbing again from the discharge port of third press master 8 Device 22 is sent to enter the second reactor tank 9, to carry out second softening reaction and further maturation process.
As the first reactor tank 5, the second reactor tank 9 is also horizontal reacting tank, is equally vertically arranged with spiral in tank Conveying mechanism, and outlet end is again provided with filling device.Slurry discharge second in the second reactor tank 9 after the reaction was completed After reactor tank 9, the 4th press master 10 can be entered through helix transporting device 23, again pass by the grinding of press master, washing, extruding, And/or after rubbing, fiber has been refined.
After slurry after refinement leaves the discharge port of the 4th press master 10, high consistency refining can be entered through helix transporting device 24 The medicament (such as hydrogen peroxide) for bleaching can be preferably added in machine 11 simultaneously.High-density paste mill 11 is in higher-pressure region equipped with effective Filter washs while can carrying out grinding to slurry, and high extruding force and effective kneading action can be completed to paper The bleaching of slurry can also carry out again slurry in the case where carrying out high speed grinding at high-temperature maturing processing and grinding refinement Reason, while can also be achieved and save clear water, clean cleaning.
Slurry from the discharge port of high-density paste mill 11 come out after, can through helix transporting device 25 enter third reactor tank 12, To carry out last softening and maturation process.
As the first reactor tank 5, third reactor tank 12 is also horizontal reacting tank, is equally vertically arranged with spiral in tank Conveying mechanism, and outlet end is again provided with filling device.Slurry discharge the in third reactor tank 12 after the reaction was completed After three reactor tanks 12, specified region, such as finished product paper pulp storage pool 13 can be transported to through helix transporting device 26, after carrying out The operations such as continuous finished product packing so far complete the overall production process of paper pulp.
For the ease of medicament is added in due course in production line, paper pulp production line system of the invention can also be deposited including medicament Storage portion 14 is respectively used to store various necessary medicaments for example including multiple medicament buckets.
Illustrate the press master structure in paper pulp production line system of the invention by taking the first press master 6 as an example below.Other are squeezed The structure of pulp grinder is similar.
Referring to fig. 4 and Fig. 5, the first press master 6 are the twin-screw press master comprising casing 601 and setting are described The first helical axis 602 and the second helical axis 603 in 601 inner cavity of casing.Wherein, first helical axis 602 includes first axle Core 604 and the first helical blade 605 being arranged in first central spindle 604;Second helical axis 603 includes the second central spindle 606 and the second helical blade 607 for being arranged in second central spindle 606, first helical blade 605 and second spiral shell Vane piece 607 is intermeshed.Wherein, as shown in Figure 7 and Figure 8, first helical blade 605 and second helical blade At least one of 607 radially outward edge is equipped with gap structure 608, and the gap structure 608 penetrates through corresponding helical blade Thickness.
For example, in Fig. 7 and embodiment shown in Fig. 8, first helical blade 605 and second helical blade 607 radially outward edge is designed with gap structure 608, since these gap structures 608 penetrate through 605 He of the first helical blade The thickness of second helical blade 607 transports slurry via gap structure 608 from the side of corresponding helical blade It moves to the other side, avoids the excessive increase of extruding force.That is, gap structure 608 can play Unloading Effect.
Then, in 6 course of work of the first press master, between the first helical axis 602 and the second helical axis 603 Gap constantly reduces, and slurry is constantly extruded, however, a part of slurry can be in extruding force due to the presence of gap structure 608 The rear side of helical blade is returned under effect, from the front side of helical blade via gap structure 608 so as to avoid slurry quilt Excessive compression and dry out and be hardened, and then can prevent press master from bored vehicle phenomenon occurs, thereby guarantee that the entirety of paper pulp production line system Run rhythm.
Preferably, when being equipped with the gap structure on first helical blade 605 and second helical blade 607 The gap structure 608 in gap structure 608 and second helical blade 607 when 608, on first helical blade 605 It corresponds, as shown in Figure 7 and Figure 8.
That is, the gap structure 608 in order to preferably play the Unloading Effect of gap structure 608, on two helical blades It can be configured in couples.
Preferably, as shown in Figure 7 and Figure 8, the shape of the gap structure 608 is semicircle or half elliptic.In addition, slitting The dimensions of mouth structure 608 can determine as the case may be, for example, the number of gap structure 608 is more, then each gap The size of structure 608 can be smaller.
Preferably, the gap structure 608 is arranged within the scope of adjacent multiple screw pitch.That is, can be only corresponding Gap structure 608 is set in a part of helical blade, for example, being provided only on the back segment of helical blade, because slurry is squeezed Contained moisture significantly reduces when being pressed onto back segment, extruding force often significantly increases, and it is also more to cause press master bored vehicle phenomenon occur It is because helical blade back segment occurs caused by the slurry excessively extracted.For this purpose, the leading portion of each helical blade does not need setting gap Structure, as shown in Figure 6.
In general, the feeding inlet and discharge port of press master are located at the both ends of shell, as shown in figure 4, feeding inlet 611 Positioned at left end, discharge port (not shown) is located at right end.Therefore, in the application, leading portion refers to close to the part of press master feeding inlet, Back segment then refers to close to the part of press master discharge port.Similarly, the front side of helical blade and rear side are also to respectively refer to direction to enter The helicoid of material mouth one end and helicoid towards discharge port one end.
Preferably, the setting quantity of gap structure 608 may is that within the scope of each screw pitch, set uniformly in the circumferential direction It is equipped with 2-4 gap structure 608, it is possible thereby to preferably realize Unloading Effect.
Preferably, the first press master 6 using variable-diameter variable-pitch helical axis, that is, first central spindle 604 and described The back segment diameter of second central spindle 606 becomes larger.In this case, the gap structure 608 can be set with it is described straight On the corresponding spiraling vane portions of central spindle back segment that diameter becomes larger.
Cause the back segment extruding force of press master insufficient after gap structure 608 to prevent from being arranged, it is preferable that in the present invention, institute At least one of the first central spindle 604 and second central spindle 606 are stated equipped with axle sleeve structure 609, the axle sleeve structure 609 is set Set the back segment that the diameter in corresponding central spindle becomes larger.For example, as shown in figure 5, first central spindle 604 and second axis Axle sleeve structure 609 is equipped on the back segment that the diameter of core 606 becomes larger.Axle sleeve structure 609 can further increase accordingly Thus the diameter of central spindle back segment increases the dynamics laterally extracted to reduce the radial clearance between two helical axis.
In the presence of gap structure 608, the increase for laterally extracting dynamics not will cause slurry in two helical axis Between be hardened, and slurry can be made to maintain preferably to extract degree.
Preferably, the axle sleeve structure 609 with a thickness of 10-20mm.
Preferably, the axle sleeve structure 609 includes multi-disc bearing bush structure (not shown), the multi-disc bearing shell and corresponding axis Core is integrally welded.
Preferably, correspond on the casing 601 at the position of the axle sleeve structure 609 and be equipped with the note for leading to chassis cavity Water hole 610.When the excessive situation of extruding force (bored vehicle phenomenon as will appear) occurs in press master, water injection hole 610 can be passed through It is filled the water into the inner cavity of press master, especially to the slurry water filling being hardened that drying out, is allowed to soften again and restore mobility, So as to further ensure that bored vehicle phenomenon does not occur for press master.
Preferably, every press master in the first shove unit and the second shove unit is configured with shove pond, For receiving the shove liquid of corresponding press master discharge.
Specifically, as shown in figure 9, the discharge port of the first press master 6 is correspondingly arranged on the first shove pond 61, the second press master 7 discharge port is correspondingly arranged on the second shove pond 71, and the discharge port of third press master 8 is correspondingly arranged on third shove pond 81, the The discharge port of four press masters 10 is correspondingly arranged on the 4th shove pond 101.
Preferably, at least one (preferably each) shove pond is also configured with crowded size delivery device, such as pump assembly, with In the shove liquid in the shove pond is delivered in the upstream units and/or equipment of the paper pulp production line system, for example, it is defeated It send into other press masters for being located at corresponding press master upstream or in the first reaction member 100 (i.e. the first reactor tank 5).By Shove liquid in each shove pond mainly includes water and unexhausted medicament, by the way that crowded size delivery device accordingly, energy is arranged It is enough to reuse water and medicament, to realize the saving of water resource and the saving of medicament, while the discharge of waste water is also eliminated, Protect environment.
Specifically, the first shove pond 61 is configured with the first pump assembly 62, and the second shove pond 71 is configured with the second pump assembly 72, Third shove pond 81 is configured with third pump assembly 82, and the 4th shove pond 101 is configured with the 4th pump assembly 102.These pump assemblies Outlet end connects outlet tube, and the end of each outlet tube extends to filler and/or the dosing mouth of corresponding units.
Simultaneously as can also be comprising the non-fibrous material isolated from slurry in shove liquid in each shove pond, these Non-fibrous material is unwanted for pulp production, however is the suitable feedstock of organic fertilizer or feed.For this purpose, it is preferred that Ground, at least one (preferably all) shove pond are also configured with sediment feeding device, the spiral conveying mechanism of bottom of pond are such as arranged in, It is transported to outside shove pond, such as can transport with the sediment (such as non-fibrous material) for shove bottom of pond portion to precipitate The non-fibrous material memory block being noted above, together with the non-fiber dry matter after the screening of bolter 3, for Fodder making or Organic fertilizer etc..
Preferably, crowded paper pulp production line system of the invention further includes that waste material recycles area's (such as mentioned-above non-fibre Tie up substance memory block), the sediment feeding device is used to for the sediment of shove bottom of pond portion to be transported to the waste material and recycle Area.
As previously mentioned, the non-fibrous material memory block (waste material i.e. herein recycles area) is also configured with non-fiber dry Matter feeding device, such as helix transporting device 16, for recycling area to transport non-fiber dry matter to the waste material.
Paper pulp production line of the invention can farthest realize recycling for production waste material, no discharge as a result,.Phase Than in traditional paper pulp production line, paper pulp production line of the invention has achieved the effect that no pollution, zero-emission, has solved paper maker There is the problem of substantial pollution all the time in industry.
Referring to the preferred embodiment of the shove liquid recovery system of Fig. 9 paper pulp production line that the present invention will be described in detail.
First pump assembly 62 includes the first outlet tube, and the liquid outlet of first outlet tube leads to setting described the The raw material mixed zone (the material adding mouth 181 of such as helix transporting device 18) of one reaction member (such as the first reactor tank 5) upstream, And/or the shove liquid being arranged in outside the paper pulp production line recycles area.In the preferred embodiment shown in Fig. 9, First outlet tube includes two branched pipes, the two branched pipes lead to above-mentioned raw materials mixed zone and above-mentioned shove liquid again respectively Utilize area.
Since the chemical content in the shove liquid of the first press master 6 discharge is relatively high, by this part, shove liquid is back to Medicine component therein can be preferably recycled in first reactor tank 5, so that save the cost, reduces waste.
Second pump assembly 72 includes the second outlet tube, and the liquid outlet of second outlet tube leads to setting described the The slurry conveying device (or feeding inlet of first press master 6) of one press master, 6 feeding inlet upstream, setting are anti-described first The shove liquid answering the raw material mixed zone of unit upstream, and/or being arranged in outside the paper pulp production line recycles area.In Fig. 9 In shown preferred embodiment, second outlet tube includes three branched pipes, these three branched pipes lead to first respectively Feeding inlet, above-mentioned raw materials mixed zone and the above-mentioned shove liquid of press master 6 recycle area.
The medicament in shove liquid that chemical content in the shove liquid of second press master 7 discharge is discharged compared with the first press master 6 Content is low, but still has higher recycling to be worth, therefore is back in the first reactor tank 5 and can preferably recycle medicine therein Agent ingredient.Certainly, by these shove liquid return the first press master 5 feeding inlet be similarly it is economical and practical, in addition to save use Outside water, medicine component therein can also also play emollescence during shove.
The third pump assembly 82 includes third outlet tube, and the liquid outlet of the third outlet tube leads to setting described the The slurry conveying device (or feeding inlet of second press master 7) of two press masters, 7 feeding inlet upstream, setting are squeezed described first The slurry conveying device (or feeding inlet of first press master 6) of 6 feeding inlet upstream of pulp grinder, setting are single in first reaction The raw material mixed zone of first upstream, and/or the shove liquid being arranged in outside the paper pulp production line recycle area.
In the shove liquid that the chemical content in shove liquid that third press master 8 is discharged is discharged compared to the second press master 7 Chemical content further decreases, therefore can return in any one unit of upstream, while saving water, remaining medicine Agent ingredient can still play emollescence.
4th pump assembly 102 includes the 4th outlet tube, and the liquid outlet of the 4th outlet tube, which leads to, to be arranged described The slurry conveying device (or feeding inlet of the third press master 8) of 8 feeding inlet upstream of third press master is arranged described second The slurry conveying device (or feeding inlet of second press master 7) of 7 feeding inlet upstream of press master is arranged in first shove The slurry conveying device (or feeding inlet of first press master 6) of 6 feeding inlet upstream of machine is arranged in first reaction member The raw material mixed zone of upstream, and/or the shove liquid being arranged in outside the paper pulp production line recycle area.
Since the 4th press master 10 is located at the direct downstream of the second reaction member (i.e. the second reactor tank 9), in the second reaction Added in the case where medicament in unit, the chemical content in the shove liquid of the 4th press master 10 discharge is relatively high, therefore returns Returning in any one unit of upstream further to be recycled, and saved water simultaneously.
According to the actual situation, the shove liquid in corresponding shove pond can be discharged to paper by the outlet tube of each pump assembly Starching the shove liquid outside production line recycles area, such as waste material to recycle area, non-in area so as to recycle with the waste material Fiber dry matter, sediment etc. carry out fermentation process together, to form organic fertilizer.
Particularly, the shove liquid because medicine component content therein is higher, in the first shove pond 61 and the second shove pond 62 It can also lead in the sedimentation basin being arranged outside production line, for example storage has dry matter (such as non-fiber dry in the sedimentation basin Matter), after the two mutually stirs, it can be used for manufacturing low-quality paper, such as wrapping paper.
Preferably, the outlet tube of above-mentioned each pump assembly is equipped with switch valve, with the on-off for controlling each liquid outlet, So as to open or close corresponding liquid outlet as needed, selectively to control the shove liquid in each shove pond To realization is most reasonable to be recycled.
Preferably, the shove fluid circulation of paper pulp production line of the invention further includes control unit (not shown), and It is additionally provided with liquid level detection unit (not shown) at least one (preferably all) shove pond, described control unit and the liquid level are examined It surveys unit to be connected, for controlling corresponding pump assembly according to the testing result of the liquid level detection unit and/or controlling each Switch valve for example, starting corresponding pump assembly automatically when shove pit level rises to the first predetermined altitude, and declines in liquid level Corresponding pump assembly is automatically closed when to the second predetermined altitude.
For example, liquid level detection unit can be using any suitable liquid level sensor in the prior art, including but not limited to Float-ball type, float-type, dry-reed etc..
By setting liquid level detection unit and control unit, the recycling to shove liquid can be realized automatically, to exempt from Except the troublesome operation of manual operation pump assembly, working efficiency is improved.
Paper pulp production line system of the invention particularly suitable for using stalk as raw material, can will be discarded crops straw Stalk is turned waste into wealth, and not only protects environment, but also saved the energy and resource.
Paper pulp production line system of the invention mainly produces paper pulp in such a way that multistage grinds paddle, segmentation reaction, by medicine The technical process of multiple complexity such as product dipping, washing, bleaching and the cutting of fiber and paper pulp fiber separation pools together.By The disposition of three sections of reactor tanks and the curing again and bleaching of high-density paste mill so that the softening and curing of fiber obtain adequately from Solution and reaction, improve the quality of paper pulp.
Paper pulp production line system of the invention simplifies complicated process, with mill paddle is high-quality, low energy consumption, uses water Amount less, without blowdown, be conducive to the advantages that environmental protection.
For example, even being boiled using batch cooking, even steam in the prior art, sulphate cook, ammonia process boiling or solvent boiling etc. Paper pulp production line, produce one ton of paper pulp, 3.5 tons of steam, with 140 cubes of water, electricity consumption 1800kwh, and consume a large amount of coals Charcoal.In contrast, paper pulp production line system of the invention, which revolutionizes traditional papermaking, to use boiler to carry out various boilings Mode, do not have to boiler and external any thermal energy, for using stalk slurrying, producing one ton of paper pulp only needs to be used with 5 cubes of water Electric 400kwh, very water-saving, power saving, the energy is saved.
Meanwhile paper pulp production line in the prior art can generate a large amount of waste water and gas in pulping process and pollute environment, And paper pulp production line system of the invention generates in pulping process without waste water and gas, shove liquid caused by each press master Recycling, because that can manufacture paper pulp in a manner of clean, efficiently avoid waste water and gas to soil without blowdown The drawbacks of ground, river, air etc. pollute.
Those skilled in the art will readily recognize that above-mentioned each preferred embodiment can be free under the premise of not conflicting Ground combination, superposition.
It should be appreciated that above-mentioned embodiment is merely exemplary, and not restrictive, without departing from of the invention basic In the case where principle, those skilled in the art can be directed to the various apparent or equivalent modification or replace that above-mentioned details is made It changes, is all included in scope of the presently claimed invention.

Claims (13)

1. a kind of paper pulp production line system of no discharging of waste liquid, which is characterized in that including along the multiple anti-of production line flow direction setting Unit and Duo Tai press master are answered, the slurry that the reaction member is used to be blended with medicament is softened and/or cured, described to squeeze Pulp grinder is used to carry out grinding, washing, extruding, and/or rubbing to slurry to handle;Wherein, it is set between two adjacent reaction members It is equipped with an at least press master;Every press master is each equipped with shove pond, described with the shove liquid for receiving press master discharge Shove pond be configured with pump assembly, with for by the shove liquid in shove pond be at least delivered to positioned at upstream reaction member and/or In press master.
2. paper pulp production line system according to claim 1, which is characterized in that every press master is configured with independent shove Pond, each shove pond are configured with independent pump assembly.
3. paper pulp production line system according to claim 1, which is characterized in that the multiple reaction member includes along production Line flow direction is located at the first reaction member of most upstream side, and the more press masters include being arranged in first reaction member downstream The first press master, first press master be configured with the first shove pond, first shove pond be configured with the first pump assembly, institute Stating the first pump assembly includes the first outlet tube, and the liquid outlet of first outlet tube, which leads to, to be arranged on first reaction member The raw material mixed zone of trip, and/or area is recycled towards the shove liquid that is arranged in outside the paper pulp production line.
4. paper pulp production line system according to claim 3, which is characterized in that the more press masters further include that setting exists Second press master in first press master downstream, second press master are configured with the second shove pond, second shove pond Configured with the second pump assembly, second pump assembly includes the second outlet tube,
The liquid outlet of second outlet tube lead to be arranged in the first press master feeding inlet upstream slurry conveying device or The feeding inlet of first press master;And/or
The liquid outlet of second outlet tube leads to the raw material mixed zone that first reaction member upstream is arranged in;And/or
The liquid outlet of second outlet tube leads to the shove liquid being arranged in outside the paper pulp production line and recycles area.
5. paper pulp production line system according to claim 4, which is characterized in that the more press masters further include that setting exists The third press master in second press master downstream, the third press master are configured with third shove pond, third shove pond Configured with third pump assembly, the third pump assembly includes third outlet tube,
The liquid outlet of the third outlet tube lead to be arranged in the second press master feeding inlet upstream slurry conveying device or The feeding inlet of second press master;And/or
The liquid outlet of the third outlet tube lead to be arranged in the first press master feeding inlet upstream slurry conveying device or The feeding inlet of first press master;And/or
The liquid outlet of the third outlet tube leads to the raw material mixed zone that first reaction member upstream is arranged in;And/or
The liquid outlet of the third outlet tube leads to the shove liquid being arranged in outside the paper pulp production line and recycles area.
6. paper pulp production line system according to claim 5, which is characterized in that the multiple reaction member further includes setting The second reaction member in third press master downstream, the more press masters further include being arranged in second reaction member 4th press master in downstream, the 4th press master are configured with the 4th shove pond, and the 4th shove pond is configured with the 4th pump group Part, the 4th pump assembly include the 4th outlet tube,
The liquid outlet of 4th outlet tube lead to be arranged in the third press master feeding inlet upstream slurry conveying device or The feeding inlet of the third press master;And/or
The liquid outlet of 4th outlet tube lead to be arranged in the second press master feeding inlet upstream slurry conveying device or The feeding inlet of second press master;And/or
The liquid outlet of 4th outlet tube lead to be arranged in the first press master feeding inlet upstream slurry conveying device or The feeding inlet of first press master;And/or
The liquid outlet of 4th outlet tube leads to the raw material mixed zone that first reaction member upstream is arranged in;And/or
The liquid outlet of 4th outlet tube leads to the shove liquid being arranged in outside the paper pulp production line and recycles area.
7. the paper pulp production line system according to one of claim 3-6, which is characterized in that each outlet tube is equipped with switch Valve, with the on-off for controlling each liquid outlet.
8. paper pulp production line system described in one of -6 according to claim 1, which is characterized in that further include control unit, at least Liquid level detection unit is equipped in one shove pond, described control unit is connected with the liquid level detection unit, for according to institute The testing result for stating liquid level detection unit controls corresponding pump assembly.
9. paper pulp production line system described in one of -6 according to claim 1, which is characterized in that at least part shove pond also Equipped with sediment feeding device, for the sediment of shove bottom of pond portion to be transported to outside shove pond.
10. paper pulp production line system according to claim 9, which is characterized in that the sediment feeding device includes spiral shell Revolve conveying mechanism.
11. paper pulp production line system according to claim 9, which is characterized in that it further include that waste material recycles area, it is described heavy Starch feeding device, which is used to for the sediment of shove bottom of pond portion to be transported to the waste material, recycles area.
12. paper pulp production line system according to claim 11, which is characterized in that the waste material recycles area to be also configured with Non-fiber dry matter feeding device, for recycling area to transport non-fiber dry matter to the waste material.
13. paper pulp production line system according to claim 1 or 2, which is characterized in that the reaction member and/or shove Slurry conveying device is connected at the feeding inlet of machine, the slurry conveying device is equipped with medicament adding mouth, and the pump assembly is logical The corresponding medicament adding mouth of piping connection is crossed, to realize the reaction member and/or press master that shove liquid are delivered to positioned at upstream In.
CN201710759368.XA 2017-08-30 2017-08-30 A kind of paper pulp production line system of no discharging of waste liquid Pending CN109423905A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112431056A (en) * 2020-09-25 2021-03-02 烟台南山学院 Recycling process of papermaking deposition slag
CN115674388A (en) * 2022-11-23 2023-02-03 浙江森林生物科技有限公司 Superfine bamboo powder impact mill

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101200862A (en) * 2007-05-30 2008-06-18 山东华林环保科技有限公司 Clean pulping process
CN101343122A (en) * 2008-08-19 2009-01-14 贾向东 Regeneration treatment method and device for black liquor of papermaking
US20110232853A1 (en) * 2010-03-23 2011-09-29 International Paper Company BCTMP Filtrate Recycling System and Method
CN103088689A (en) * 2013-01-28 2013-05-08 钟立福 Zero discharging and recycling technology for waste paper or raw stock board papermaking wastewater
CN104169492A (en) * 2012-03-12 2014-11-26 芬欧汇川集团 Method and system for treating liquid flows at chemical pulp mill
CN204738171U (en) * 2015-05-18 2015-11-04 昆明旭邦机械有限公司 Crowded pulp grinder of high -efficient double helix
CN105463892A (en) * 2014-09-12 2016-04-06 青岛百键城环保科技有限公司 Environment-friendly pulping technology
CN106044083A (en) * 2016-08-24 2016-10-26 铜陵东晟生态农业科技有限公司 Screw feeder
CN106245393A (en) * 2016-09-14 2016-12-21 黑龙江秀泉科技有限公司 Pulp production device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101200862A (en) * 2007-05-30 2008-06-18 山东华林环保科技有限公司 Clean pulping process
CN101343122A (en) * 2008-08-19 2009-01-14 贾向东 Regeneration treatment method and device for black liquor of papermaking
US20110232853A1 (en) * 2010-03-23 2011-09-29 International Paper Company BCTMP Filtrate Recycling System and Method
CN104169492A (en) * 2012-03-12 2014-11-26 芬欧汇川集团 Method and system for treating liquid flows at chemical pulp mill
CN103088689A (en) * 2013-01-28 2013-05-08 钟立福 Zero discharging and recycling technology for waste paper or raw stock board papermaking wastewater
CN105463892A (en) * 2014-09-12 2016-04-06 青岛百键城环保科技有限公司 Environment-friendly pulping technology
CN204738171U (en) * 2015-05-18 2015-11-04 昆明旭邦机械有限公司 Crowded pulp grinder of high -efficient double helix
CN106044083A (en) * 2016-08-24 2016-10-26 铜陵东晟生态农业科技有限公司 Screw feeder
CN106245393A (en) * 2016-09-14 2016-12-21 黑龙江秀泉科技有限公司 Pulp production device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
詹怀宇: "《制浆原理与工程》", 中国轻工业出版社, pages: 371 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112431056A (en) * 2020-09-25 2021-03-02 烟台南山学院 Recycling process of papermaking deposition slag
CN115674388A (en) * 2022-11-23 2023-02-03 浙江森林生物科技有限公司 Superfine bamboo powder impact mill
CN115674388B (en) * 2022-11-23 2023-09-19 浙江森林生物科技有限公司 Superfine bamboo powder impact mill

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