CN100451235C - Paper pulp manufacturing process and equipment - Google Patents

Paper pulp manufacturing process and equipment Download PDF

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Publication number
CN100451235C
CN100451235C CNB2006100813765A CN200610081376A CN100451235C CN 100451235 C CN100451235 C CN 100451235C CN B2006100813765 A CNB2006100813765 A CN B2006100813765A CN 200610081376 A CN200610081376 A CN 200610081376A CN 100451235 C CN100451235 C CN 100451235C
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water
paper pulp
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pond
pipeline
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CN1844563A (en
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李国林
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李国林
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Abstract

The present invention relates to a paper pulp production technology and a device thereof. The technology comprises the following steps: preparing raw materials used for the production of paper pulp; adding 2500 parts by weight of the raw materials to a spherical digester; adding 10000 parts by weight of water in which 320 parts by weight of caustic soda dissolves to the spherical digester; leading steam generated by a steam boiler into the spherical digester till the raw materials used for the production of paper pulp are steamed to pulp-shaped materials. Because waste water generated in a plurality of procedures is directly returned to be used for other procedures after treated during a production process of a paper pulp paper article, waste water quantity which needs to be treated is greatly decreased, and waster water treatment cost is reduced. As for waste materials generated in a waster water treatment process, which is also be comprehensively used, and a treatment technology of the waste materials completely meet an environmental protection requirement. With the special device of the present invention, the waste water can be effectively put away so as to meet the environmental protection requirement. The present invention has the purpose that a paper pulp production technology and a device are to be provided, wherein the paper pulp production technology and the device have the advantages of less investment, environmental protection and energy saving, and can make water discharge reach standard or zero discharge.

Description

Paper pulp fabrication process and equipment
Technical field
The present invention relates to a kind of paper pulp fabrication process and equipment.
Background technology
Existing paper pulp fabrication process and equipment are in the process of producing the paper pulp paper product, can produce a large amount of trade effluents, if these trade effluents are directly discharged, the meeting serious environment pollution is if adopt existing paper pulp manufacturing industry sewage treatment process to handle, because sewage load is bigger, its equipment investment meeting is very high, often make middle-size and small-size paper pulp paper product enterprise be difficult to bear, its treatment effect is also not ideal, is difficult to reach the sewage disposal discharge standard of national regulation.
Summary of the invention
The object of the present invention is to provide a kind of small investment, environmental protection and energy saving can make the paper pulp fabrication process and the equipment of the up to standard or zero-emission of sewage discharge.
Paper pulp fabrication process of the present invention, it comprises the steps:
(A) preparation is used to make the raw material of paper pulp, with weight portion is that 2500 ± 200 raw material joins in the rotary spherical digester, the weight portion that will be dissolved with the caustic soda of weight portion 320 ± 10 again is that 10000 ± 2000 water joins in the rotary spherical digester, feed the steam that produces by steam boiler to rotary spherical digester then, be steamed into pasty material until the raw material that will be used to make paper pulp;
(B) pasty material in the rotary spherical digester is transported in the spraying pot release ejection by pipeline after, pasty material is transported in the press master (1) again and carries out shove, add water, shove again, obtain yellow slurry after adding the repeatedly circulation of water again, the black liquor that each shove is discharged is transported to be made burn processing and/or enters the black liquor pond in the described steam boiler of step (A) to carry out precipitation process, after the precipitation process of black liquor through the black liquor pond, be put into again in the black liquor dewater unit and dewater, the resulting black slag in back that will dewater is used as fuel or is processed into charcoal, the water that spins off enters the filter cloth filtering ponds and carries out filtration treatment, what filtration treatment was come out contains buck after the chemical examination alkalinity and the part that calculates the weight, and turns back to the weight portion that is used for replacing the water that contains caustic soda in the required adding rotary spherical digester of step (A) in the described rotary spherical digester of step (A);
(C) after the Huang that step (B) obtained slurry is sent into one-level underflow kitchen sink and is added the dilution of water agitator treating, deliver in the dewatering centrifuge of one-level dewater unit and dewater, the water that spins off enters the cinder filtration pond and filters, again water is entered neutralization pond after the filtration, by chemically examining the alkalescence of determining water, add an amount of hydrochloric acid again, after the residual caustic soda in the neutralization pond water is neutralized, enter again in the circulation cistern;
(D) after the dehydration of the slurry of the Huang in the dewatering centrifuge of one-level dewater unit finished, the paper pulp fiber that will dewater was again put into the water of secondary agitator treating tube, and it is carried out stirring and washing;
(E) the paper pulp fiber stirring and washing is finished after, again the paper pulp fiber in the secondary agitator treating tube is delivered in the dewatering centrifuge of secondary dewater unit and dewatered, a water part that spins off is transported to described in the step (B) in the press master, be used for the pasty material in the press master is added water, another part is transported in the described cinder filtration pond and filters;
(F) after the slurry of the Huang in centrifugal filtration tube second dehydration finished, the paper pulp fiber that will dewater was again put into the water of three grades of agitator treating tubes, and it is carried out stirring and washing;
(G) the paper pulp fiber stirring and washing is finished after, again the paper pulp fiber liquid in three grades of agitator treating tubes is delivered to the vibrating screen place and screens, remove the inside useless thick slag;
(H) the paper pulp fiber liquid that step (G) is obtained is bleached according to existing bleaching process, and the used water of bleaching process comprises from the water in the circulation cistern described in the step (C);
(I) the paper pulp fiber liquid that step (H) is obtained enters control blowing pond, handles according to existing control blowing technology;
(J) the paper pulp fiber liquid that step (I) is obtained is sent into dryer, dries according to existing stoving process, obtains pulp goods, then pulp goods is packed.
Paper pulp fabrication process of the present invention, the vapor (steam) temperature that feeds to rotary spherical digester in the wherein said step (A) is 105 ℃-150 ℃, and steam pressure is 0.3MPa-0.5MPa, and the steam feeding time is 4-6 hour; Utilize in the described step (B) press master with pasty material carry out shove, Jia Shui, again shove, obtain yellow slurry after adding 3-6 circulation of water again; The weight that adds entry when yellow slurry is sent into one-level underflow kitchen sink thin up in the described step (C) is 3 times of yellow slurry weight, and the time of stirring is 12 minutes-16 minutes.
Paper pulp fabrication process of the present invention, the raw material that is used to make paper pulp in the wherein said step (A) is wheat straw or reed or timber or Chinese alpine rush, with weight portion is that 2500 ± 100 wheat straw or reed or timber or Chinese alpine rush join in the rotary spherical digester, the weight portion that will be dissolved with the caustic soda of weight portion 320 ± 10 again is that 10000 ± 1000 water joins in the rotary spherical digester, for utilizing pulp absorbing pump that pasty material is extracted in the conveying worm, the shove station of pasty material being sent into press master by conveying worm carries out shove again in the described step (B).
Paper pulp manufacturing equipment of the present invention, comprise the rotary spherical digester that links to each other with steam boiler by pipeline, rotary spherical digester links to each other with spraying pot by pipeline, spraying pot links to each other with conveying worm by the pipeline that is in series with pulp absorbing pump, conveying worm links to each other with the charging aperture of press master, the discharging opening of described press master links to each other with one-level underflow kitchen sink by the pipeline that is in series with pulp absorbing pump, the leakage fluid dram of press master links to each other with the black liquor pond, one-level underflow kitchen sink links to each other with the centrifugal filtration tube of the dewatering centrifuge of one-level dewater unit by the pipeline that is in series with pulp absorbing pump, the centrifugal filtration tube of the dewatering centrifuge of one-level dewater unit links to each other with secondary agitator treating tube by the pipeline that is in series with pulp absorbing pump, secondary agitator treating tube links to each other with the centrifugal filtration tube of the dewatering centrifuge of secondary dewater unit by the pipeline that is in series with pulp absorbing pump, the centrifugal filtration tube of the dewatering centrifuge of secondary dewater unit links to each other with three grades of agitator treating tubes by the pipeline that is in series with pulp absorbing pump, three grades of agitator treating tubes link to each other with the charging aperture of vibrating screen by the pipeline that is in series with pulp absorbing pump, the discharging opening of vibrating screen links to each other with the charging aperture of bleaching system, the discharging opening of bleaching system links to each other with the charging aperture in control blowing pond, and the discharging opening in control blowing pond links to each other with the charging aperture of dryer.
Paper pulp manufacturing equipment of the present invention, wherein said black liquor pond links to each other with the black liquor dewater unit by the pipeline that is in series with pulp absorbing pump, the black liquor dewater unit links to each other with the inlet of filter cloth filtering ponds by the pipeline that is in series with pulp absorbing pump, and the liquid outlet of filter cloth filtering ponds links to each other with described rotary spherical digester by the pipeline that is in series with pulp absorbing pump; The leakage fluid dram of one-level dewater unit links to each other with the water inlet pipe in cinder filtration pond, the gutter in cinder filtration pond links to each other with neutralization pond, the gutter of neutralization pond links to each other with the circulation cistern, the circulation cistern links to each other with described bleaching system by the pipeline that is in series with pulp absorbing pump, and the leakage fluid dram of secondary dewater unit links to each other with described press master with the water inlet pipe in described cinder filtration pond and by the pipeline that is in series with water pump.
Paper pulp manufacturing equipment of the present invention, wherein said one-level dewater unit and secondary dewater unit comprise at least one water bucket respectively, be respectively equipped with at least one dewatering centrifuge in each water bucket, each dewatering centrifuge comprises the support that is fixed on water bucket inner bottom part, vertically vertical shaft can be installed rotationally on each support, the bottom of each vertical shaft is dragged by motor via reducer, the top of each vertical shaft is equipped with pallet, the centrifugal filtration tube is convenient to be equipped with removably in the middle part of each pallet upper end, the middle part that each pallet upper end is positioned at described centrifugal filtration tube is provided with taper sheath, each centrifugal filtration tube is up-thin-low-thick taper shape, be evenly equipped with a plurality of through holes on the sidewall of each centrifugal filtration tube, each centrifugal filtration tube inside surface of side wall is provided with filter cloth, and the top of each centrifugal filtration tube is provided with the end cap of annular.
Paper pulp manufacturing equipment of the present invention, wherein said black liquor dewater unit comprises at least one water butt, be provided with at least one black liquor dewatering centrifuge in each water butt, each black liquor dewatering centrifuge comprises frame and main shaft, the middle and lower part of main shaft can be installed on the frame rotationally, the bottom of main shaft is dragged by the main shaft reductor by motor, the top of each main shaft is equipped with disk, each disk upper end adopts ship and resell on another market axle and alignment pin to be convenient to be equipped with turningly filter vat, each filter vat is upper coarse and lower fine taper shape, be evenly equipped with a plurality of through holes on the sidewall of each filter vat, each filter vat inside surface of side wall is provided with filter cloth.
Paper pulp manufacturing equipment of the present invention, wherein said secondary agitator treating tube and described three grades of agitator treating tubes comprise water storage barrel respectively, middle part in each water storage barrel vertically can be provided with central shaft respectively rotationally, radially be provided with a plurality of scraper plates on each central shaft, the outer side edges of each scraper plate matches with the madial wall of described centrifugal filtration tube, vertically be provided with a plurality of shafts in each water storage barrel around central shaft, each shaft is provided with at least one paddle, and each described central shaft links to each other with the output shaft transmission of motor respectively with each shaft.
Paper pulp manufacturing equipment of the present invention, wherein said cinder filtration pond comprises the pond groove, bottom in the groove of pond is equipped with the following cinder layer that the thick cinder by particle diameter 50mm ± 20mm of 300mm ± 100mm is formed, middle part in the groove of pond is equipped with the middle cinder layer that the thick cinder by below the particle diameter 5mm of 1000mm-1600mm is formed, top in the groove of pond is equipped with the last cinder layer that the thick cinder by particle diameter 50mm ± 20mm of 300mm-400mm is formed, bottom in the groove of pond is provided with the gutter, the top of pond groove is provided with a plurality of nozzles that link to each other with water inlet pipe, the middle and upper part along continuous straight runs of described filter cloth filtering ponds is provided with 2-6 metafiltration cloth, and the side of filter cloth is fixed on the madial wall of filter cloth filtering ponds.
Paper pulp manufacturing equipment of the present invention, wherein be respectively equipped with 2-6 dewatering centrifuge in each described water bucket, be provided with 2-6 black liquor dewatering centrifuge in the described water butt, the top of each described centrifugal filtration tube is provided with a plurality of suspension ring, the bottom of centrifugal filtration tube is connected with the connecting plate of rectangle, the middle part of described pallet is provided with the rectangular channel that matches with the rectangle connecting plate, connecting plate is inserted in the rectangular channel at pallet middle part and adopts bolt or pin or have contact with and interconnects, be provided with a plurality of balls between the lower surface of described pallet and the upper end of described support, be provided with 2-6 black liquor dewatering centrifuge in the described water butt, vertically be provided with 2-6 shaft in each described water storage barrel around central shaft, on the described shaft, following two ends can be installed in respectively rotationally, on the lower support frame, each shaft is provided with 2-8 paddle, the middle part of described central shaft can be installed on the lower support frame rotationally, the bottom of central shaft can be installed on the end bracing frame rotationally, the bottom of central shaft is set with small conical gear, small conical gear is meshed with large conical gear, large conical gear is sleeved on the inner end of transverse axis, transverse axis can be installed in the bottom of described water storage barrel rotationally, and its outer end along continuous straight runs links to each other with the output shaft of motor after passing the sidewall of water storage barrel.
Compare with existing paper pulp fabrication process and equipment, advantage and good effect of the present invention are: because it adopts distinctive processing step of the present invention and special equipment, in the process of producing the paper pulp paper product, the sewage that a plurality of operations are produced directly returns after treatment and is used in other operations, thereby greatly reduced the sewage water yield of required processing, saved water consumption, reduced cost of sewage disposal, for the waste material that in sewage disposal process, is produced, also done comprehensive utilization, the complete compliance with environmental protection requirements of its treatment process.Adopt special equipment of the present invention, can dispose sewage expeditiously, make it satisfy environmental requirement.Owing to can accomplish zero-emission, environment is not polluted.
Be described in further detail below in conjunction with the specific embodiment of accompanying drawing paper pulp fabrication process of the present invention and equipment.
Fig. 1 is press master, black liquor pond, black liquor dewater unit, filter cloth filtering ponds and the one-level dewater unit of paper pulp fabrication process of the present invention, the structural representation of secondary dewater unit part;
Fig. 2 is the main pseudosection of cinder filtration pond, neutralization pond and the circulation cistern structural representation partly of paper pulp fabrication process of the present invention;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is the main pseudosection of the structural representation of the interior dewatering centrifuge of the water bucket of one-level dewater unit and secondary dewater unit;
Fig. 5 is Fig. 4 vertical view;
Fig. 6 is the C-C profile of Fig. 4;
Fig. 7 is the main pseudosection of the structural representation of the interior black liquor dewatering centrifuge of the water butt of black liquor dewater unit;
Fig. 8 is the B-B cross sectional plan view of Fig. 7;
Fig. 9 is the main pseudosection of the water storage barrel structural representation partly of secondary agitator treating tube and three grades of agitator treating tubes;
Figure 10 is Fig. 9 vertical view.
The specific embodiment
As shown in Figure 1, paper pulp manufacturing equipment of the present invention, comprise the rotary spherical digester (not drawing among the figure) that links to each other with steam boiler (not drawing among the figure) by pipeline, rotary spherical digester links to each other with spraying pot (not drawing among the figure) by pipeline, spraying pot links to each other with conveying worm 17 by the pipeline that is in series with pulp absorbing pump, conveying worm 17 links to each other with the charging aperture of press master 1, the discharging opening of press master 1 links to each other with one-level underflow kitchen sink 14 by the pipeline that is in series with pulp absorbing pump, the leakage fluid dram of press master 1 links to each other with black liquor pond 2, one-level underflow kitchen sink 14 links to each other with the centrifugal filtration tube 7 of the dewatering centrifuge 6 of one-level dewater unit 5 by the pipeline that is in series with pulp absorbing pump, the centrifugal filtration tube 7 of the dewatering centrifuge 6 of one-level dewater unit 5 links to each other with secondary agitator treating tube 11 by the pipeline that is in series with pulp absorbing pump, secondary agitator treating tube 11 links to each other with the centrifugal filtration tube of the dewatering centrifuge 13 of secondary dewater unit 12 by the pipeline that is in series with pulp absorbing pump, the centrifugal filtration tube of the dewatering centrifuge 13 of secondary dewater unit 12 links to each other with three grades of agitator treating tubes 15 with the water inlet pipe in cinder filtration pond 8 and by the pipeline that is in series with pulp absorbing pump, three grades of agitator treating tubes 15 link to each other with the charging aperture of vibrating screen by the pipeline that is in series with pulp absorbing pump, the discharging opening of vibrating screen (not drawing among the figure) links to each other with the charging aperture of bleaching system (not drawing among the figure), the discharging opening of bleaching system links to each other with the charging aperture in control blowing pond (not drawing among the figure), and the discharging opening in control blowing pond links to each other with the charging aperture of dryer (not drawing among the figure).
Black liquor pond 2 links to each other with black liquor dewater unit 3 by the pipeline that is in series with pulp absorbing pump, black liquor dewater unit 3 links to each other with the inlet of filter cloth filtering ponds 4 by the pipeline that is in series with pulp absorbing pump, the middle and upper part along continuous straight runs of filter cloth filtering ponds 4 is provided with 2 layers or 3 layers or 4 layers or 5 layers or 6 metafiltration cloth, the side of filter cloth is fixed on the madial wall of filter cloth filtering ponds 4, and the liquid outlet of filter cloth filtering ponds 4 links to each other with rotary spherical digester (not drawing among the figure) by the pipeline that is in series with pulp absorbing pump; The leakage fluid dram of one-level dewater unit 5 links to each other with the water inlet pipe in cinder filtration pond 8, the gutter in cinder filtration pond 8 links to each other with neutralization pond 9, the gutter of neutralization pond 9 links to each other with circulation cistern 10, circulation cistern 10 links to each other with bleaching system (not drawing among the figure) by the pipeline that is in series with pulp absorbing pump, and the leakage fluid dram of secondary dewater unit 12 links to each other with press master 1 by the pipeline that is in series with water pump.
As Fig. 4, Fig. 5 and shown in Figure 6, one-level dewater unit 5 is the same on mechanical structure with secondary dewater unit 12, it comprises 4 or 1 or 2 or 3 or 5 or 6 or 8 water buckets respectively, be respectively equipped with 4 or 1 or 2 or 3 or 5 or 6 or 8 dewatering centrifuges 6 in each water bucket, 13, each dewatering centrifuge 6 comprises the support 19 that is separately fixed at water bucket inner bottom part, vertically vertical shaft 21 can be installed rotationally on each support 19, the bottom of each vertical shaft 21 is dragged by motor via reducer 51, the top of each vertical shaft 21 is equipped with pallet 23, centrifugal filtration tube 7 is convenient to be equipped with removably in the middle part of each pallet 23 upper end, the middle part that each pallet 23 upper end is positioned at described centrifugal filtration tube 7 is provided with taper sheath 25, each centrifugal filtration tube 7 is up-thin-low-thick taper shape, be evenly equipped with a plurality of through holes 27 on the sidewall of each centrifugal filtration tube 7, each centrifugal filtration tube 7 inside surface of side wall is provided with filter cloth 28, and the top of each centrifugal filtration tube 7 is provided with the end cap 29 of annular.The top of each centrifugal filtration tube 7 is provided with a plurality of suspension ring 58, is used for centrifugal filtration tube 7 is sling.The bottom of centrifugal filtration tube 7 is connected with the connecting plate 59 of rectangle, the middle part of pallet 23 is provided with the rectangular channel that matches with rectangle connecting plate 59, connecting plate 59 is inserted in the rectangular channel at pallet 23 middle parts and adopts bolt or pin or have contact with and interconnects, when needs are unloaded centrifugal filtration tube 7 down, can open bolt or pin or have contact with, between the upper end of the lower surface of pallet 23 and support 19, be provided with a plurality of balls.Ball is used to support pallet 23, reduces the frictional resistance of pallet 23 when rotating.In use, can utilize pulp absorbing pump the Huang in one-level underflow kitchen sink 14 or the secondary agitator treating tube 11 to be starched the dewatering centrifuge 6 that replaces in each water bucket of suction, 13 centrifugal filtration tube 7, start the motor that drags reductor 51 simultaneously, make vertical shaft 21 rotation at a high speed, the vertical shaft 21 of rotation can drive pallet 23 rotations at a high speed, pallet 23 drives 7 rotations of centrifugal filtration tube again, the Huang slurry that enters in the centrifugal filtration tube 7 will rotate thereupon, water in the yellow slurry can under action of centrifugal force, pass centrifugal filtration tube 7 sidewalls on a plurality of through holes 38 and filter cloth 28, dehydration paper pulp fiber in the yellow slurry then can be filtered by filter cloth 28, stays in the centrifugal filtration tube 7.After the dehydration paper pulp fiber in the centrifugal filtration tube 7 accumulates certain quantity, can stop to drag the motor of reductor 51, utilize crane gear that centrifugal filtration tube 7 is hung in the secondary agitator treating tube 11 then or three grades of agitator treating tubes 15 in, the dehydration paper pulp fibers in the centrifugal filtration tube 7 are discharged in the secondary agitator treating tube 11 or three grades of agitator treating tubes 15 in.
As shown in Figure 7 and Figure 8, black liquor dewater unit 3 comprises 4 or 1 or 2 or 3 or 5 or 6 or 8 water butts 31, be provided with 4 or 1 or 2 or 3 or 5 or 6 or 8 black liquor dewatering centrifuges 32 in each water butt 31, each black liquor dewatering centrifuge 32 comprises frame 33 and main shaft 34, the middle and lower part of main shaft 34 can be installed on the frame 33 rotationally, the bottom of main shaft 34 is dragged by main shaft reductor 35 by motor, the top of each main shaft 34 is equipped with disk 36, each disk 36 upper end adopts ship and resell on another market axle 20 and alignment pin 18 to be convenient to be equipped with turningly filter vat 37, each filter vat 37 is upper coarse and lower fine taper shape, be evenly equipped with a plurality of through holes 38 on the sidewall of each filter vat 37, each filter vat 37 inside surface of side wall is provided with filter cloth 40.In use, can utilize pulp absorbing pump the black liquor in the black liquor pond 2 to be replaced the filter vat 37 of each black liquor dewatering centrifuge 32 of suction, start the motor that drags main shaft reductor 35 simultaneously, make main shaft 34 rotation at a high speed, 34 on the main shaft of rotation can drive disk 36 rotations at a high speed, disk 36 drives filter vat 37 rotations again, the black liquor that enters in the filter vat 37 will rotate thereupon, water in the black liquor can under action of centrifugal force, pass lauter tub 37 sidewalls on a plurality of through holes 38 and filter cloth 40, suspended particulate substance in the black liquor then can be filtered cloth 40 and filter, and stays in the filter vat 37.After being filtered thing and accumulating certain quantity in the filter vat 37, can stop to drag the motor of main shaft reductor 35, open the fixedly alignment pin 18 of filter vat 37 then, be rotating shaft upset filter vat 37 with the axle 20 of shipping and reselling on another market, clean out its interior thing that is filtered.
As Fig. 9 and shown in Figure 10, secondary agitator treating tube 11 and three grades of agitator treating tubes 15 comprise water storage barrel 41 respectively, middle part in each water storage barrel 41 vertically can be provided with central shaft 42 respectively rotationally, radially be provided with a plurality of scraper plates 43 on each central shaft 42, the outer side edges of each scraper plate 43 matches with the madial wall of centrifugal filtration tube 7, vertically be provided with 2 or 3 or 4 or 6 shafts 44 in each water storage barrel 41 around central shaft, each shaft 44 is provided with 2 or 3 or 4 or 6 paddles 45, and central shaft 42 links to each other with the output shaft transmission of motor respectively with each shaft 44.
On the shaft 5, following two ends can be installed in respectively rotationally, lower support frame 52, on 53, each shaft 44 is provided with 2-8 paddle 45, the middle part of central shaft 42 can be installed on the lower support frame 53 rotationally, the bottom of central shaft 42 can be installed on the end bracing frame 54 rotationally, the bottom of central shaft 42 is set with small conical gear 56, small conical gear 56 is meshed with large conical gear 57, large conical gear 57 is sleeved on the inner end of transverse axis 55, transverse axis 55 can be installed in the bottom of described water storage barrel 41 rotationally, and its outer end along continuous straight runs links to each other with the output shaft of motor after passing the sidewall of water storage barrel 41.In use, when crane gear centrifugal filtration tube 7 is hung in the secondary agitator treating tube 11 or three grades of agitator treating tubes 15 in, after being enclosed within the centrifugal filtration tube 7 that the dehydration paper pulp fiber is housed on the central shaft 42, can start the motor that drags central shaft 42, make central shaft 42 be with scraper plate 43 rotations, scraper plate 43 will stir the water in the centrifugal filtration tube 7, the current that produce can wash away the dehydration paper pulp fiber in the centrifugal filtration tube 7 get off, and then utilize crane gear that centrifugal filtration tube 7 is hung secondary agitator treating tube 11 or three grades of agitator treating tubes 15, utilize motor to drag each shaft 44 again, utilize water that the paper pulp fiber in secondary agitator treating tube 11 and the three grades of agitator treating tubes 15 is cleaned.
As shown in Figures 2 and 3, cinder filtration pond 8 comprises pond groove 46, bottoms in the pond groove 46 are equipped with the following cinder layer 47 that 200mm or 250mm or 300mm or 350mm or the thick cinder by particle diameter 50mm ± 20mm of 400mm form, middle parts in the pond groove 46 are equipped with the middle cinder layer 48 that 1000mm or 1100mm or 1200mm or 1300mm or 1400mm or 1500mm or the thick cinder by below the particle diameter 5mm of 1600mm form, top in the pond groove 46 is equipped with the last cinder layer 49 that the thick cinder by particle diameter 50mm ± 20mm of 300mm or 350mm or 400mm is formed, bottom in the pond groove 46 is provided with gutter 50, and the top of pond groove 46 is provided with a plurality of nozzles 22 that link to each other with water inlet pipe 24.In use, water in the water inlet pipe 24 can become vaporific water droplet earlier after spraying by a plurality of nozzles 22, drops on the surface of cinder layer 49 again, through after the filtration of last cinder layer 49, middle cinder layer 48 and following cinder layer 47, flow to neutralization pond 9 by gutter 50 more then.After the filtration of each layer cinder through a stage, a large amount of black lignin can be adhered in its surface, has adsorbed saturated each layer cinder and can be transported to the non-burning brick raw material of non-burning brick station-service do manufacturing.
Embodiment 1
As Fig. 1, Fig. 2 and shown in Figure 3, paper pulp fabrication process of the present invention, it comprises the steps:
(A) preparation is used to make the raw material of paper pulp, the raw material that is used to make paper pulp is wheat straw or reed or timber or Chinese alpine rush, with weight portion is that 2300 or 2400 or 2500 or 2600 or 2700 raw material joins in the rotary spherical digester, the weight portion that will be dissolved with the caustic soda of weight portion 310 or 320 or 330 again is that 8000 or 9000 or 10000 or 11000 or 12000 water joins in the rotary spherical digester, feed the steam that produces by steam boiler to rotary spherical digester then, the vapor (steam) temperature that feeds to rotary spherical digester is 105 ℃ or 110 ℃ or 115 ℃ or 120 ℃ or 125 ℃ or 130 ℃ or 135 ℃ or 140 ℃ or 145 ℃ or 150 ℃, steam pressure is 0.3MPa or 0.35MPa or 0.4MPa or 0.45MPa or 0.5MPa, and the steam feeding time is 4 hours or 5 hours or 6 hours; Be steamed into pasty material until the raw material that will be used to make paper pulp;
(B) pasty material in the rotary spherical digester is transported in the spraying pot release ejection by pipeline after, with pulp absorbing pump pasty material is extracted in the conveying worm 17 again, the shove station of pasty material being sent into press master 1 by conveying worm 17 carries out shove again, spray adds water, shove again, spray obtains yellow slurry after adding 4 times of water or 3 times or 5 times or 6 times or 8 circulations again, the combustion chamber that the black liquor that utilizes pulp absorbing pump that the each shove of pasty material is discharged is transported in the described steam boiler of step (A) is made burn processing and/or enters black liquor pond 2 to carry out precipitation process, after the precipitation process of black liquor through black liquor pond 2, again sediment is put in the black liquor dewater unit 3 and dewaters, the resulting black slag in back that will dewater is used as fuel or is processed into charcoal, the water that spins off enters filter cloth filtering ponds 4 and carries out filtration treatment, what filtration treatment was come out contains buck after the chemical examination alkalinity and the part that calculates the weight, and turns back to the weight portion that is used for the water that contains caustic soda in the required adding rotary spherical digester of alternative steps (A) in the described rotary spherical digester of step (A);
(C) the Huang slurry that step (B) is obtained is sent into one-level underflow kitchen sink 14 and is added the dilution of water agitator treating, yellow slurry adds entry when sending into one-level underflow kitchen sink 14 thin ups weight is yellow 3 times of starching weight, the time of stirring is 12 minutes-16 minutes, agitation and dilutions in the one-level underflow kitchen sink 14 are crossed in the centrifugal filtration tube 7 of the dewatering centrifuge that is extracted into one-level dewater unit 56 of yellow slurry with pulp absorbing pump then and dewatered, the water that spins off enters cinder filtration pond 8 and filters, again water is entered neutralization pond 9 after the filtration, by chemically examining the alkalescence of determining water, add an amount of hydrochloric acid again, after residual caustic soda in neutralization pond 9 water neutralized, enter again in the circulation cistern 10;
(D) after the dehydration of the slurry of the Huang in the centrifugal filtration tube 7 of the dewatering centrifuge 6 of one-level dewater unit 5 finishes, again the centrifugal filtration tube 7 of the dewatering centrifuge 6 of one-level dewater unit 5 is put into the water of secondary agitator treating tube 11 together together with keeping within it dehydration paper pulp fiber, after the paper pulp fiber in the centrifugal filtration tube 7 of the dewatering centrifuge 6 of one-level dewater unit 5 falls into the water, take out the centrifugal filtration tube 7 of the dewatering centrifuge 6 of one-level dewater unit 5 again, and the paper pulp fiber that falls in the secondary agitator treating tube 11 is carried out stirring and washing; The centrifugal filtration tube 7 of the dewatering centrifuge 6 of above-mentioned one-level dewater unit 5 adopts crane gear to hang in or hang out in the secondary agitator treating tube 11.
(E) the paper pulp fiber stirring and washing is finished after, paper pulp fibers in the secondary agitator treating tube 11 are extracted in the centrifugal filtration tube of dewatering centrifuge 13 of secondary dewater unit 12 with pulp absorbing pump again and dewater, a water part that spins off is transported in the middle press master 1 of step (B), be used for the pasty material in the press master 1 is added water, another part is transported in the cinder filtration pond 8 and filters;
(F) after the slurry of the Huang in centrifugal filtration tube second dehydration finishes, again the centrifugal filtration tube of the dewatering centrifuge 13 of secondary dewater unit 12 is put into the water of three grades of agitator treating tubes 15 together together with keeping within it dehydration paper pulp fiber, after the paper pulp fiber in the centrifugal filtration tube of the dewatering centrifuge 13 of secondary dewater unit 12 falls into the water, take out the centrifugal filtration tube of the dewatering centrifuge 13 of secondary dewater unit 12 again, and the paper pulp fiber that falls in three grades of agitator treating tubes 15 is carried out stirring and washing; The centrifugal filtration tube of the dewatering centrifuge 13 of above-mentioned secondary dewater unit 12 adopts crane gear to hang in or hang out in three grades of agitator treating tubes 15.
(G) the paper pulp fiber stirring and washing is finished after, with pulp absorbing pump the paper pulp fiber liquid in three grades of agitator treating tubes 15 are extracted into the vibrating screen place again and screen, remove the useless thick slag of the inside;
(H) the paper pulp fiber liquid that step (G) is obtained is bleached according to existing bleaching process, and the used water of bleaching process comprises from the water in the circulation cistern 10 in the step (C);
(I) the paper pulp fiber liquid that step (H) is obtained enters control blowing pond (not drawing among the figure), handles according to existing control blowing technology;
(J) the paper pulp fiber liquid that step (J) is obtained is sent into dryer (not drawing among the figure), dries according to existing stoving process, obtains pulp goods, then pulp goods is packed.
Embodiment 2
As Fig. 1, Fig. 2 and shown in Figure 3, paper pulp fabrication process of the present invention, it comprises the steps:
(A) preparation is used to make the raw material of paper pulp, the raw material that is used to make paper pulp is wheat straw or reed or timber or Chinese alpine rush, with weight portion is that 2350 or 2450 or 2140 or 2650 or 2690 raw material joins in the rotary spherical digester, the weight portion that will be dissolved with the caustic soda of weight portion 315 or 325 or 328 again is that 8500 or 9500 or 10500 or 11500 or 12000 water joins in the rotary spherical digester, feed the steam that produces by steam boiler to rotary spherical digester then, the vapor (steam) temperature that feeds to rotary spherical digester is 102 ℃ or 112 ℃ or 116 ℃ or 126 ℃ or 128 ℃ or 132 ℃ or 135 ℃ or 142 ℃ or 147 ℃ or 150 ℃, steam pressure is 0.3MPa or 0.36MPa or 0.41MPa or 0.46MPa or 0.5MPa, and the steam feeding time is 4.5 hours or 5.5 hours or 6 hours; Be steamed into pasty material until the raw material that will be used to make paper pulp;
(B) pasty material in the rotary spherical digester is transported in the spraying pot release ejection by pipeline after, with pulp absorbing pump pasty material is extracted in the conveying worm 17 again, the shove station of pasty material being sent into press master 1 by conveying worm 17 carries out shove again, spray adds water, shove again, spray obtains yellow slurry after adding 4 times of water or 3 times or 5 times or 6 times or 8 circulations again, the combustion chamber that the black liquor that utilizes pulp absorbing pump that the each shove of pasty material is discharged is transported in the described steam boiler of step (A) is made burn processing and/or enters black liquor pond 2 to carry out precipitation process, after the precipitation process of black liquor through black liquor pond 2, again sediment is put in the black liquor dewater unit 3 and dewaters, the resulting black slag in back that will dewater is used as fuel or is processed into charcoal, the water that spins off enters filter cloth filtering ponds 4 and carries out filtration treatment, what filtration treatment was come out contains buck after the chemical examination alkalinity and the part that calculates the weight, and turns back to the weight portion that is used for the water that contains caustic soda in the required adding rotary spherical digester of alternative steps (A) in the described rotary spherical digester of step (A);
(C) the Huang slurry that step (B) is obtained is sent into one-level underflow kitchen sink 14 and is added the dilution of water agitator treating, the Huang slurry adds entry when sending into one-level underflow kitchen sink 14 thin ups weight is yellow 2-4 times of starching weight, the time of stirring is 13 minutes-15 minutes, agitation and dilutions in the one-level underflow kitchen sink 14 are crossed in the centrifugal filtration tube 7 of the dewatering centrifuge that is extracted into one-level dewater unit 56 of yellow slurry with pulp absorbing pump then and dewatered, the water that spins off enters cinder filtration pond 8 and filters, again water is entered neutralization pond 9 after the filtration, by chemically examining the alkalescence of determining water, add an amount of hydrochloric acid again, after residual caustic soda in neutralization pond 9 water neutralized, enter again in the circulation cistern 10;
(D) after the dehydration of the slurry of the Huang in the centrifugal filtration tube 7 of the dewatering centrifuge 6 of one-level dewater unit 5 finishes, again the centrifugal filtration tube 7 of the dewatering centrifuge 6 of one-level dewater unit 5 is put into the water of secondary agitator treating tube 11 together together with keeping within it dehydration paper pulp fiber, after the paper pulp fiber in the centrifugal filtration tube 7 of the dewatering centrifuge 6 of one-level dewater unit 5 falls into the water, take out the centrifugal filtration tube 7 of the dewatering centrifuge 6 of one-level dewater unit 5 again, and the paper pulp fiber that falls in the secondary agitator treating tube 11 is carried out stirring and washing; The centrifugal filtration tube 7 of the dewatering centrifuge 6 of above-mentioned one-level dewater unit 5 adopts crane gear to hang in or hang out in the secondary agitator treating tube 11.
(E) the paper pulp fiber stirring and washing is finished after, paper pulp fibers in the secondary agitator treating tube 11 are extracted in the centrifugal filtration tube of dewatering centrifuge 13 of secondary dewater unit 12 with pulp absorbing pump again and dewater, a water part that spins off is transported in the middle press master 1 of step (B), be used for the pasty material in the press master 1 is added water, another part is transported in the cinder filtration pond 8 and filters;
(F) after the slurry of the Huang in centrifugal filtration tube second dehydration finishes, again the centrifugal filtration tube of the dewatering centrifuge 13 of secondary dewater unit 12 is put into the water of three grades of agitator treating tubes 15 together together with keeping within it dehydration paper pulp fiber, after the paper pulp fiber in the centrifugal filtration tube of the dewatering centrifuge 13 of secondary dewater unit 12 falls into the water, take out the centrifugal filtration tube of the dewatering centrifuge 13 of secondary dewater unit 12 again, and the paper pulp fiber that falls in three grades of agitator treating tubes 15 is carried out stirring and washing; The centrifugal filtration tube of the dewatering centrifuge 13 of above-mentioned secondary dewater unit 12 adopts crane gear to hang in or hang out in three grades of agitator treating tubes 15.
(G) the paper pulp fiber stirring and washing is finished after, with pulp absorbing pump the paper pulp fiber liquid in three grades of agitator treating tubes 15 are extracted into the vibrating screen place again and screen, remove the useless thick slag of the inside;
(H) the paper pulp fiber liquid that step (G) is obtained is bleached according to existing bleaching process, and the used water of bleaching process comprises from the water in the circulation cistern 10 in the step (C);
(I) the paper pulp fiber liquid that step (H) is obtained enters control blowing pond (not drawing among the figure), handles according to existing control blowing technology;
(J) the paper pulp fiber liquid that step (I) is obtained is sent into dryer (not drawing among the figure), dries according to existing stoving process, obtains pulp goods, then pulp goods is packed.
Embodiment recited above is described preferred implementation of the present invention, is not that design of the present invention and scope are limited.The content that the present invention asks for protection is documented in claims.

Claims (10)

1. paper pulp fabrication process is characterized in that it comprises the steps:
(A) preparation is used to make the raw material of paper pulp, with weight portion is that 2500 ± 200 raw material joins in the rotary spherical digester, the weight portion that will be dissolved with the caustic soda of weight portion 320 ± 10 again is that 10000 ± 2000 water joins in the rotary spherical digester, feed the steam that produces by steam boiler to rotary spherical digester then, be steamed into pasty material until the raw material that will be used to make paper pulp;
(B) pasty material in the rotary spherical digester is transported in the spraying pot release ejection by pipeline after, pasty material is transported in the press master (1) again and carries out shove, add water, shove again, obtain yellow slurry after adding the repeatedly circulation of water again, the black liquor that each shove is discharged is transported to be made burn processing in the described steam boiler of step (A) and/or enters black liquor pond (2) to carry out precipitation process, after the precipitation process of black liquor through black liquor pond (2), be put into again in the black liquor dewater unit (3) and dewater, the resulting black slag in back that will dewater is used as fuel or is processed into charcoal, the water that spins off enters filter cloth filtering ponds (4) and carries out filtration treatment, what filtration treatment was come out contains buck after the chemical examination alkalinity and the part that calculates the weight, and turns back to the weight portion that is used for replacing the water that contains caustic soda in the required adding rotary spherical digester of step (A) in the described rotary spherical digester of step (A);
(C) after the Huang that step (B) obtained slurry is sent into one-level underflow kitchen sink (14) and is added the dilution of water agitator treating, deliver in the dewatering centrifuge (6) of one-level dewater unit (5) and dewater, the water that spins off enters cinder filtration pond (8) and filters, again water is entered neutralization pond (9) after the filtration, by chemically examining the alkalescence of determining water, add an amount of hydrochloric acid again, after the residual caustic soda in neutralization pond (9) water is neutralized, enter again in the circulation cistern (10);
(D) after the dehydration of the slurry of the Huang in the dewatering centrifuge (6) of one-level dewater unit (5) finished, the paper pulp fiber that will dewater was again put into the water of secondary agitator treating tube (11), and it is carried out stirring and washing;
(E) the paper pulp fiber stirring and washing is finished after, again the paper pulp fiber in the secondary agitator treating tube (11) is delivered in the dewatering centrifuge (13) of secondary dewater unit (12) and dewatered, a water part that spins off is transported to described in the step (B) in the press master (1), be used for the pasty material in the press master (1) is added water, another part is transported in the described cinder filtration pond (8) and filters;
(F) after the slurry of the Huang in centrifugal filtration tube second dehydration finished, the paper pulp fiber that will dewater was again put into the water of three grades of agitator treating tubes (15), and it is carried out stirring and washing;
(G) the paper pulp fiber stirring and washing is finished after, again the paper pulp fiber liquid in three grades of agitator treating tubes (15) is delivered to the vibrating screen place and screens, remove the useless thick slag of the inside;
(H) the paper pulp fiber liquid that step (G) is obtained is bleached according to existing bleaching process, and the used water of bleaching process comprises from the water in the cistern (10) that circulates described in the step (C);
(I) the paper pulp fiber liquid that step (H) is obtained enters control blowing pond, handles according to existing control blowing technology;
(J) the paper pulp fiber liquid that step (I) is obtained is sent into dryer, dries according to existing stoving process, obtains pulp goods, then pulp goods is packed.
2. a kind of paper pulp fabrication process according to claim 1 is characterized in that the vapor (steam) temperature that feeds to rotary spherical digester in the described step (A) is 105 ℃-150 ℃, and steam pressure is 0.3MPa-0.5MPa, and the steam feeding time is 4-6 hour; Utilize in the described step (B) press master (1) with pasty material carry out shove, Jia Shui, again shove, obtain yellow slurry after adding 3-6 circulation of water again; The weight that adds entry when yellow slurry is sent into one-level underflow kitchen sink (14) thin up in the described step (C) is 3 times of yellow slurry weight, and the time of stirring is 12 minutes-16 minutes.
3. a kind of paper pulp fabrication process according to claim 2, the raw material that it is characterized in that being used in the described step (A) making paper pulp is wheat straw or reed or timber or Chinese alpine rush, with weight portion is that 2500 ± 100 wheat straw or reed or timber or Chinese alpine rush join in the rotary spherical digester, the weight portion that will be dissolved with the caustic soda of weight portion 320 ± 10 again is that 10000 ± 1000 water joins in the rotary spherical digester, for utilizing pulp absorbing pump that pasty material is extracted in the conveying worm (17), the shove station of pasty material being sent into press master (1) by conveying worm (17) carries out shove again in the described step (B).
4. paper pulp manufacturing equipment, comprise the rotary spherical digester that links to each other with steam boiler by pipeline, rotary spherical digester links to each other with spraying pot by pipeline, spraying pot links to each other with conveying worm (17) by the pipeline that is in series with pulp absorbing pump, conveying worm (17) links to each other with the charging aperture of press master (1), the discharging opening that it is characterized in that described press master (1) links to each other with one-level underflow kitchen sink (14) by the pipeline that is in series with pulp absorbing pump, the leakage fluid dram of press master (1) links to each other with black liquor pond (2), one-level underflow kitchen sink (14) links to each other with the centrifugal filtration tube (7) of the dewatering centrifuge (6) of one-level dewater unit (5) by the pipeline that is in series with pulp absorbing pump, the centrifugal filtration tube (7) of the dewatering centrifuge (6) of one-level dewater unit (5) links to each other with secondary agitator treating tube (11) by the pipeline that is in series with pulp absorbing pump, secondary agitator treating tube (11) links to each other with the centrifugal filtration tube of the dewatering centrifuge (13) of secondary dewater unit (12) by the pipeline that is in series with pulp absorbing pump, the centrifugal filtration tube of the dewatering centrifuge (13) of secondary dewater unit (12) links to each other with three grades of agitator treating tubes (15) by the pipeline that is in series with pulp absorbing pump, three grades of agitator treating tubes (15) link to each other with the charging aperture of vibrating screen by the pipeline that is in series with pulp absorbing pump, the discharging opening of vibrating screen links to each other with the charging aperture of bleaching system, the discharging opening of bleaching system links to each other with the charging aperture in control blowing pond, and the discharging opening in control blowing pond links to each other with the charging aperture of dryer.
5. a kind of paper pulp manufacturing equipment according to claim 4, it is characterized in that described black liquor pond (2) links to each other with black liquor dewater unit (3) by the pipeline that is in series with pulp absorbing pump, black liquor dewater unit (3) links to each other with the inlet of filter cloth filtering ponds (4) by the pipeline that is in series with pulp absorbing pump, and the liquid outlet of filter cloth filtering ponds (4) links to each other with described rotary spherical digester by the pipeline that is in series with pulp absorbing pump; The leakage fluid dram of one-level dewater unit (5) links to each other with the water inlet pipe of cinder filtration pond (8), the gutter in cinder filtration pond (8) links to each other with neutralization pond (9), the gutter of neutralization pond (9) links to each other with circulation cistern (10), circulation cistern (10) links to each other with described bleaching system by the pipeline that is in series with pulp absorbing pump, and the leakage fluid dram of secondary dewater unit (12) links to each other with described press master (1) with the water inlet pipe in described cinder filtration pond (8) and by the pipeline that is in series with water pump.
6. a kind of paper pulp manufacturing equipment according to claim 5, it is characterized in that described one-level dewater unit (5) and secondary dewater unit (12) comprise at least one water bucket respectively, be respectively equipped with at least one dewatering centrifuge (6 in each water bucket, 13), each dewatering centrifuge (6,13) comprise the support (19) that is separately fixed at each water bucket inner bottom part, vertically vertical shaft (21) can be installed rotationally on each support (19), the bottom of each vertical shaft (21) is dragged by motor via reducer (51), the top of each vertical shaft (21) is equipped with pallet (23), centrifugal filtration tube (7) is convenient to be equipped with removably in the middle part of each pallet (23) upper end, the middle part that each pallet (23) upper end is positioned at described centrifugal filtration tube (7) is provided with taper sheath (25), each centrifugal filtration tube (7) is up-thin-low-thick taper shape, be evenly equipped with a plurality of through holes (27) on the sidewall of each centrifugal filtration tube (7), each centrifugal filtration tube (7) inside surface of side wall is provided with filter cloth (28), and the top of each centrifugal filtration tube (7) is provided with the end cap (29) of annular.
7. a kind of paper pulp manufacturing equipment according to claim 6, it is characterized in that described black liquor dewater unit (3) comprises at least one water butt (31), be provided with at least one black liquor dewatering centrifuge (32) in each water butt (31), each black liquor dewatering centrifuge (32) comprises frame (33) and main shaft (34), the middle and lower part of main shaft (34) can be installed on the frame (33) rotationally, the bottom of main shaft (34) is dragged by main shaft reductor (35) by motor, the top of each main shaft (34) is equipped with disk (36), the employing of each disk (36) upper end is shipped and resell on another market spool (20) and alignment pin (18) is convenient to be equipped with turningly filter vat (37), each filter vat (37) is upper coarse and lower fine taper shape, be evenly equipped with a plurality of through holes (38) on the sidewall of each filter vat (37), each filter vat (37) inside surface of side wall is provided with filter cloth (40).
8. a kind of paper pulp manufacturing equipment according to claim 7, it is characterized in that described secondary agitator treating tube (11) and described three grades of agitator treating tubes (15) comprise water storage barrel (41) respectively, middle part in each water storage barrel (41) vertically can be provided with central shaft (42) respectively rotationally, radially be provided with a plurality of scraper plates (43) on each central shaft (42), the outer side edges of each scraper plate (43) matches with the madial wall of described centrifugal filtration tube (7), vertically be provided with a plurality of shafts (44) in each water storage barrel (41) around central shaft, each shaft (44) is provided with at least one paddle (45), and each described central shaft (42) links to each other with the output shaft transmission of motor respectively with each shaft (44).
9. a kind of paper pulp manufacturing equipment according to claim 8, it is characterized in that described cinder filtration pond (8) comprises pond groove (46), bottom in the pond groove (46) is equipped with the following cinder layer (47) that the thick cinder by particle diameter 50mm ± 20mm of 300mm ± 100mm is formed, middle part in the pond groove (46) is equipped with the middle cinder layer (48) that the thick cinder by below the particle diameter 5mm of 1000mm-1600mm is formed, top in the pond groove (46) is equipped with the last cinder layer (49) that the thick cinder by particle diameter 50mm ± 20mm of 300mm-400mm is formed, bottom in the pond groove (46) is provided with gutter (50), the top of pond groove (46) is provided with a plurality of nozzles (22) that link to each other with water inlet pipe (24), the middle and upper part along continuous straight runs of described filter cloth filtering ponds (4) is provided with 2-6 metafiltration cloth, and the side of filter cloth is fixed on the madial wall of filter cloth filtering ponds (4).
10. a kind of paper pulp manufacturing equipment according to claim 9, it is characterized in that being respectively equipped with 2-6 dewatering centrifuge (6 in each described water bucket, 13), the top of each described centrifugal filtration tube (7) is provided with a plurality of suspension ring (58), the bottom of centrifugal filtration tube (7) is connected with the connecting plate (59) of rectangle, the middle part of described pallet (23) is provided with the rectangular channel that matches with rectangle connecting plate (59), connecting plate (59) is inserted in the rectangular channel at pallet (23) middle part and adopts bolt or pin or have contact with and interconnects, be provided with a plurality of balls between the upper end of the lower surface of described pallet (23) and described support (19), be provided with 2-6 black liquor dewatering centrifuge (32) in the described water butt (31), vertically be provided with 2-6 shaft (44) in each described water storage barrel (41) around central shaft, on the described shaft (44), following two ends can be installed in respectively rotationally, lower support frame (52,53) on, each shaft (44) is provided with 2-8 paddle (45), the middle part of described central shaft (42) can be installed on the lower support frame (53) rotationally, the bottom of central shaft (42) can be installed on the end bracing frame (54) rotationally, the bottom of central shaft (42) is set with small conical gear (56), small conical gear (56) is meshed with large conical gear (57), large conical gear (57) is sleeved on the inner end of transverse axis (55), transverse axis (55) can be installed in the bottom of described water storage barrel (41) rotationally, and its outer end along continuous straight runs links to each other with the output shaft of motor after passing the sidewall of water storage barrel (41).
CNB2006100813765A 2006-05-22 2006-05-22 Paper pulp manufacturing process and equipment Expired - Fee Related CN100451235C (en)

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CN101328692B (en) * 2007-06-22 2011-07-06 李国林 Paper pulp fabrication process and system
CN107366172A (en) * 2017-07-11 2017-11-21 横县东糖糖业有限公司纸业分公司 A kind of method that slurrying even steam spraying pot tail vapour recycles

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