CN102817262A - High-yield environment-friendly papermaking and pulping process method and system - Google Patents

Abstract

The invention provides a high-yield environment-friendly papermaking and pulping process method which includes a raw material pre-processing section, a physical threading immersion processing section, an immersing, steaming and bleaching integrated pulping section and a thickening and dewatering processing section. A high-yield environment-friendly papermaking and pulping system for achieving the pulping process method sequentially comprises a stock cutter, a hammer thread screening deduster, a washing deduster, a dewatering conveying device, a steaming spiral conveyor, a squeezing cracking and thread squeezing impregnator, a disperse impregnating device, a high-concentration cooking and bleaching pulping all-in-one machine, a pulp bin, a concentration dewaterer, a high-concentration stuff grinder, a screening purifier and a concentration presser according to the process route, wherein a pump pipe is connected onto the high-concentration cooking and bleaching pulping all-in-one machine, a discharging pipe of the high-concentration cooking and bleaching pulping all-in-one machine is connected to the pulp bin, a pulp bin pump pipe is connected with the concentration dewaterer, the output end of the concentration dewaterer is connected onto the high-concentration stuff grinder, and the output end of the high-concentration stuff grinder is sequentially connected with the screening purifier and the concentration presser. The high-yield environment-friendly papermaking and pulping process method and system fundamentally solve problems of high pollution and energy consumption, shortage of papermaking raw materials and the like existing in the papermaking industry, and achieve the technical purposes of efficient bleaching, high yield, no black liquor and low energy consumption by using abundant plant fibers in the nature.

Description

High yield environmental protection paper-making pulping process method and pulping system thereof

Technical field

What application of the present invention related to is paper-making pulping process method and process system thereof, especially is suitable for the grass class of annual non-wood fiber, paper-making pulping process method and system's composition thereof of agricultural crop straw class plant material.

Background technology

Comprise cellulose, hemicellulose, lignin and pectin etc. in the plant material that paper-making pulping is used.The grass class of annual non-woody fiber, agricultural crop straw class are for xylophyta; Non-fibre fractionations such as fiber fines is many, silicone content is high, ash is big, pentosan content height, heteroproteose cell are many and complicated, self color is dark; Lignin structure wherein is complicated, content is high; The content of lignin and derivative thereof can reach 30-60%, in the paper-making pulping industry, is considered to not have the component of value, in pulping process is handled, must do the removal processing to lignin and derivative thereof.

Technical problems such as existing pulping technology for paper-making ubiquity yield is low, energy consumption is high, seriously polluted.Several big operations such as its alkaline paper-making pulping technique includes blank, dedusting, boiling, washing, screening and bleaching, concentrate.The core of soda pulping process is boiling and bleaching, and cooking process wherein is the most key.The quality of washing quality also can influence pulping yield.That prior art still generally adopts is high-alkali, high temperature, autoclaving method is lignin stripping as much as possible, and the liquid of extruding of boiling slurry is black liquor, is difficult to reclaim.The carrying out and the quality of operations such as boiling technology affects screening greatly, bleaches and concentrates.High-alkali, the boiling of high temperature and high pressure condition; Its conventional highly basic consumption is the 8-18% of plant material weight, and boiling temperature is 155-185 ℃, and pressure reaches 0.6-0.8MPa; The lignin of stripping exists with the alkali lignin form in the cooking waste liquor; Silicone content is high, causes that cooking waste liquor viscosity is big, color is dark, has increased the technology difficulty that bleaching, evaporation and concentration and alkali reclaim; High temperature, high pressure, high-alkali cooking schedule are in the stripping lignin; Also make more cellulose degradation and run off, cause boiling, washing, screening process to produce large amount of sewage, and the suspended matter in the sewage and organic concentration is high, viscosity is big, high-alkali, color and luster is dark, biodegradability is poor, the fibre stream vector is big.The operation between boiling operation in early stage, boiling and the bleaching of existing soda pulping process technology and boiling, the bleaching process of core almost do not have any relevance; They are just done some simple physics for core process and cut off and clean; Technostress all concentrates on this section of boiling operation, thereby is difficult to take into account multi-faceted specification requirement.Alkali recovery technology in the above-mentioned pulping process method is comparatively ripe for woody paper-making pulping black liquor; But then there is very big technology barrier for draft raw material paper-making pulping process black liquor; Its reason is that the silicon component content is high in the waste liquid of straw pulp, viscosity is big, filterability is poor, and when adopting the lime alkali reclaiming method, high content silicon can obviously reduce the availability of active lime; Moreover mobile poor, be difficult to conveying, also can cause the carrier pipe scale problems.

Summary of the invention

The goal of the invention of patent application of the present invention is to provide a kind of high yield environmental protection paper-making pulping process method and pulping system thereof, and it is that a kind of yield is high, energy consumption is low, pollution-free and is suitable for xylophyta, is more suitable for the paper-making pulping process method and the pulping system of nonwood plant raw material.

The high yield environmental protection paper-making pulping process method that patent application of the present invention provides; Its technical scheme is to the effect that: a kind of high yield environmental protection paper-making pulping process method comprises pretreatment of raw material section, physics silk impregnation process section, soaks to steam and float three sections one slurrying sections and thickening processing section; The percentage that medicament is wherein formed is to account for the percentage amounts that plant material is confirmed weight;

1., the pretreatment of raw material section: plant material through cut off, beat silkization and remove silt particle and the slag thing after, add the preimpregnation soup, be 60-80 ℃ of dipping 5-10 minute down in temperature, dewater, feed decatize enforcement again and softened 5-10 minute; Described preimpregnation soup comprises neopelex 0.02～0.08%, NaOH 0.3～0.8%, chelating agent 0.25～0.6%, bleeding agent AEO JFC0.025～0.1%, and wherein chelating agent is one of any among EDTA or the DTPA;

2., physics silk impregnation process section: 1. a section material is sent into to squeeze and is split machine, is ground, tears, crumples and be the staple shape by powerful squeezing, and when beginning to become the staple shape or having become the staple shape, injects and floods medicament; Described dipping medicament includes neopelex 0.02～0.15%, NaOH 2～3.5%, chelating agent 0.15～0.35%, wherein chelating agent be EDTA or in one of any;

3., soak steaming and float three sections one slurrying sections: 2. a section dipping material is sent into high-concentration boiling and bleaching slurrying all-in-one; By the 2. liquid matter of section in the material of filtering in the high-concentration boiling and bleaching slurrying all-in-one; Come into effect slaking successively, steam and float reaction and bleaching action; The slaking period: inject the slaking medicament to all-in-one, under 80-100 ℃ of temperature, 0.1-0.3MPa pressure condition slaking 60-90 minute; It is that oxygen floats delignification's reaction period that the reaction period is floated in steaming: inject to steam to all-in-one and float medicament, and aerating oxygen, under 80-100 ℃ of temperature, 0.3-0.5MPa pressure condition, steam and float reaction 30-90 minute; The bleaching action period; Need to divide two-four sections to inject oxygen successively and float medicament; Keep the 0.3-0.5MPa oxygen pressure, under 70-90 ℃ of temperature conditions bleaching action 30-60 minute; Be to be that power is drained slurry during discharge with the oxygen enrichment air pressure of putting aside in the all-in-one; Described slaking medicament includes NaOH 1.5～3%, magnesium sulfate 0.1～0.5%, sodium metasilicate 1～3.5%, sodium sulfite 0.5～1.5%, oxygen and floats agent 0.5～1.5%; Described steaming is floated medicament and is comprised that chelating agent 0.25～0.6%, NaOH 1～3%, magnesium sulfate 0.2～1%, sodium metasilicate 1.5～3.5%, oxygen float agent 2～4%; Chelating agent wherein be EDTA or in one of any, described oxygen floats medicament and comprises that magnesium sulfate 0.1～0.5%, sodium metasilicate 2～6%, oxygen float agent 3～5%, wherein to float agent be at least a in SODIUM PERCARBONATE, sodium peroxide, hydrogen peroxide, carbamide peroxide, the peracetic acid to oxygen;

4., the thickening processing section: by dehydration concentrator press dewatering, again through defibrination, screening, purification, adjust commercial pulp.

Patent application of the present invention also provides the high yield environmental protection paper-making pulping of realizing above-mentioned high yield environmental protection paper-making pulping process method system; This system by the technology circuit include successively that stock-cutter, hammer bolting silk select dust removal machine, clean dust removal machine, dehydration conveying equipment, decatize conveying worm, squeeze split machine, disperse impregnating equipment, conveying is connected to high-concentration boiling and bleaching slurrying all-in-one, drainage conduit is connected to pulp bin again; The pulp bin pump line connects the thickening machine; The thickening machine exports high-density paste mill to; High-density paste mill output connects screening clearing machine and concentration squeezing machine successively; The preimpregnation drug liquid tube feed to clean dust removal machine and decatize conveying worm, and dipping medicament pipe feeds to squeeze and splits machine, and slaking medicament, steaming are floated medicament and oxygen and floated the medicament pipe and feed high-concentration boiling and bleaching slurrying all-in-one at times.

In the above-mentioned high yield environmental protection paper-making pulping system, hammer bolting silk wherein selects dust removal machine can select railroad duster, bipyramid dust removal machine or cyclopneumatic separator for use, can also select multi-functional minute bolting silk blanking dirt all-in-one for use.Some roads beaming roller that this multi-functional minute bolting silk blanking dirt all-in-one had by parallel horizontal rotational support in the tunnel passage in the casing of charging aperture to discharging opening; Evenly be set with the pin thorn of some quantity on the beaming roller surface; Be articulated in interspersed being distributed in the middle of the pin thorn of hammer cutter of beaming roller; The beaming roller top is provided with sieve plate; The below is provided with down sieve plate, and following sieve plate has the cambered surface of stinging and hammer into shape the setting of cutter maximal margin circular trace spacing with the beaming roller pin, and cambered surface is provided with some roads and is the bed plate that shearing cooperates with pin thorn and hammer cutter.

In the above-mentioned high yield environmental protection paper-making pulping system, the crowded machine that splits wherein can be selected screw extrusion shredder, double helix fiberizer, kneading or grinding leaser, twin-screw roller type paste mill for use, can also adopt to squeeze to split impregnator.This squeezes, and rotational support is provided with two parallel engagement beaming rollers in the casing that splits impregnator; Charging aperture and discharging opening are separately positioned on the beaming roller two ends, select at least work section one, work section two and work one of in the section three and the quantity that is selected the work section be at least one group vertically assembled arrangement be arranged on each beaming roller; Described work section one is made up of the feed auger section and the section of rolling jointly; The section of rolling is that axial multiple tracks rolls the dish composition; Roll dish for having the cam that rolls arc outline; Multiple tracks rolls disc radial and is crisscross arranged and constitutes the section of rolling, and the spiral section clearance meshing of two rollers cooperates, each respective shaft position of the section of rolling roll the staggered cooperation of dish; Described work section two is made up of feed auger section and grinding tooth dish section jointly, and the grinding tooth dish is the multi-groove type sheave, and respectively encircling of grinding tooth dish evenly offers some skewed slots on the tooth, two rollers spiral section and the intersegmental crack of grinding tooth dish engagement fit; Described work section three is made up of feed auger section and reverse acting spiral section jointly; Evenly be provided with some skewed slots on the reverse thread tooth of reverse acting spiral section with respect to axioversion; The intersegmental crack of two rollers spiral section and reverse acting spiral engagement fit, medicament mouth or steam inlet are arranged at the segment ends of respectively working.

In above-mentioned high yield environmental protection paper-making pulping system, disperseing impregnating equipment can be that waterpower stirs impregnator, hydrabrusher, waterpower grass washing machine, stirs impregnation bin.Disperseing impregnating equipment can also be the dip pan grinding machine; This dip pan grinding machine comprises main shaft bearing support, mill portion and material promotion part; The charging screw feeder of material promotion part is rotated by bearing and is arranged in the body feeding-passage; Be rotatably installed on the main shaft bearing support by bearing with the main shaft of charging screw feeder coaxial line; Feeding-passage feeds the mill chamber, and the casing of the end cap of feeding-passage and main shaft bearing support fixedly spiral-lock forms described mill chamber, and the movable grinding disc of main-axis end is separated with the fixed millstone mill that is fixed on end cap and cooperated; Corresponding from inside to outside sub-material mill district L, dispersion mill district M and the fine grinding district N of being furnished with on the card of fixed millstone and movable grinding disc; Dispersion mill district M wherein is that the multiple tracks concentric teeth of two mill convex-concaves engagements is periphery and puts the district, evenly offers the current groove of some materials on the per pass engagement ring gear, feeds feeding-passage and is provided with soup inlet pipe and steam inlet tube.

In the above-mentioned high yield environmental protection paper-making pulping system; It is the horizontal pulping tank of sealing with closed sandwich for described high-concentration boiling and bleaching slurrying all-in-one; Having with the horizontal central line is the rotary drive mechanism of axis, and the pulping tank upper center is provided with feeding-passage, and the pulping tank inside of feeding-passage is arranged with the threeway of the mouth of pipe towards both sides; The pulping tank below is provided with leakage fluid dram, is laid on the pulping tank below and is provided with sieve plate; Pulping tank one end is provided with the laterally disposed discharge nozzle of the mouth of pipe; Pulping tank one end axis place is provided with the multichannel rotary valve; The multichannel rotary valve includes valve body and the rotary spool formation that rotatory sealing cooperates; Spool is fixed on the pulping tank, and the soup cavity connects spool central authorities, and is communicated with drug liquid tube in pulping tank; Be evenly equipped with aperture on the drug liquid tube; Be provided with the thermal source parallel with medicine liquid channel in the spool and introduce cavity and draw cavity, the valve wall that valve body cooperates with valve core rotation is provided with thermal source and introduces annular groove and draw annular groove, corresponding with the corresponding annular groove respectively connection of each cavity; Valve body is provided with the external pipeline that communicates with each annular groove, and the thermal source of external pipeline is gone into pipe and introduced through thermal source successively that cavity, input pipe, pulping tank interlayer, return pipe, thermal source are drawn cavity, external pipeline constitutes boiling and adds heat passage.

High yield environmental protection paper-making pulping process method and pulping system thereof that patent application of the present invention provides; Change the technological prejudice of the discarded object that traditional alkaline paper-making pulping technique is regarded as lignin must removing; Each step of its a whole set of process technology scheme is all linked with one another; Earlier stage treatment process has all been made substantive contribution for the core processing section: 1. the section the pretreatment of raw material section; Beaten the raw material of silkization by the washing of preimpregnation soup dipping, preimpregnation; By penetrating agent JFC, surfactant neopelex and low-concentration sodium hydroxide aqueous solution swollen raw fiber, improve infiltration efficient, fortifying fibre wettability and the uniformity, be the 2. crowded condition of having created of handling of splitting of section physics silk impregnation process section.In physics silk impregnation process section; Squeeze and to split machine is unfavorable for raw material inside slurrying in the silk material non-fibre composition; Comprise also that like lignin, pectin, tannin, heteroproteose cell, ash, resin etc. air is extruded, removes; Eliminate the adverse effect of non-fibre fractionation to greatest extent, squeezed and split silkization material and equally have the ability that medicament is flooded in strong absorption as compressed sponge to pulping process, flood medicament rapid, deep be impregnated into fibrous inside, in cell membrane; Be exactly before the core pulping process; The mass transport process of chemical reaction, specific area, permeability, the uniformity etc. are all accomplished optimization, these all be the 3. the step soak to steam and float three sections one slurrying sections and made sufficient preparation, digestion process also is the beginning of bleaching; Float the degraded loss that treatment process has significantly reduced hydrocarbon in low alkali, low temperature and steaming, improved the bleachability of slurry to a certain extent.Soak steam float three sections one slurrying sections should be with lignin from fully stripping between cellulose; When guaranteeing the quality of cellulose own, the lignin of stripping is easy in pulping process by process modification and polymerization, polymerization becomes the slurry functional component or becomes copies the slurry papermaking filler; Thereby utilize each type organic in the material to greatest extent; Especially account for the lignin of total amount of organic 30-60%, after the slurrying of draft material, the negative effect that the pulp-making waste-water that no longer exerts an influence reclaims; And the dissolution rate of silicon also is significantly less than traditional soda pulping process technology, realizes the efficiently technical purpose of bleaching, high yield, no black liquor, low energy consumption.Lignin between string mainly is made up of base substances such as methoxyl group-OCH3, hydroxyl-OH and carbonyl-CO, and this paper-making pulping process method is to the reaction of free radical deep oxidation, with each group modified monomer molecule that becomes of lignin under the temperate condition of a kind of low alkalinity, 70-100 ℃; And activation becomes hydroxyl radical free radical HOO-and hydrophilic active oxygen radical O2-etc., the chromophoric group in the destruction lignin, the color development system in the oxidation pigment; Reaching the technical purpose of colour killing bleaching, meanwhile, is under the condition of 9-10.5 at low alkalinity pH; Also cause oxygen and float agent such as H2O2 and generate OH ° of free radical and carry out the deep oxidation reaction, destroy the two keys in pectic substance, wax and the nitrogen substance molecular structure, make between its minimizing cellulose active force and remove; Quickened phenylpropyl alcohol alkanes construction unit and combined with carbon/carbon or ehter bond, made the monomer macromolecular compound lignin and the hemicellulose fully stripping from fibre wall that contain methoxyl group, the big molecule lignin of monomer contains two keys or covalent bond mostly; Under medicament effects such as low alkalinity and surfactant; Radical polymerization or free radical type copolyreaction take place, and generate new lignin polyester, the lignin of while stripping mainly with lignosulphonates, be that the sulfonated lignin form exists in solution; Sulfonated lignin is compared with the alkali lignin of traditional highly basic high temperature pulping process stripping; Its good water solubility, surface-activity is strong, under the media environment condition that is softened; More increased probability with other ion complexation, polymerization and modification; Become the sulfonated lignin condensate, and be trapped in the slurry, reach the technical purpose that improves pulp yield.Lignin polymers or lignosulfonate condensate, copy the slurry papermaking in as " adhesive " perhaps " stuffing " be used effectively.Compositions such as not chloride in each medicament in the present technique scheme, sulphur; For environmentally friendly oxygen floats medicament; Steaming is floated to separate out in the disposed slurry and is not contained organic chloride in the waste liquid, and like poisonous and harmful carcinogens such as bioxin, and the lignin that has kept hemicellulose and modification, polymerization to greatest extent is not dissolved; Chromophoric group changes colourless group into; Thereby the middle-stage wastewater contamination index that produces low, be easy to handle, load is little, its part can be used for the material washing and diluted slurry water of pretreatment of raw material section after simple filtering, remain middle-stage wastewater and send into wastewater treatment and utilize system again; Processing cost is low, but water qualified discharge after the processing or fully recovering are in pulping system.The low alkali oxygen of the employing of present technique scheme floats medicament, normal pressure or low-pressure, low temperature steams and floats reaction, and its paper pulp yield can reach 50-70%, whiteness 70-80%ISO.The present technique scheme has solved especially that the nonwood plant slurrying difficulty that always perplexs people is big, wastewater flow rate is many, be difficult for reclaiming clean treatment technology problem; Technical problem like annual straw fiber raw material paper-making pulping; The finished product paper pulp physical index of producing can meet and exceed the index of leaf wood chemical pulp, and fracture length can reach 6.94km.The present technique scheme has fundamentally solved problems such as present pulping and papermaking industry high pollution, high energy consumption, paper making raw material be in short supply; Utilize the abundant string of occurring in nature; Particularly annual straw or like vegetable fiber can promote the cycling and reutilization and the sustainable development of agricultural resource.

The contrast table of the high yield environmental protection of the present invention paper-making pulping process method simultaneous interpretation controlling paste-making method is following:

High yield environmental protection paper-making pulping process method and traditional pulping process relevant parameter contrast table of application of the present invention are following:

Description of drawings

Fig. 1 and Fig. 3 are successive, successive two of this high yield environmental protection paper-making pulping system that forms respectively of Fig. 2 and Fig. 3 implements pie graphs

Fig. 4 and Fig. 5 are the main sectional structure chart of multi-functional minute bolting silk blanking dirt all-in-one and sectional structure chart radially

Fig. 6 and Fig. 7 squeeze front view and the vertical view that splits impregnator

Fig. 8 and Fig. 9 squeeze the radial cross-section of splitting the impregnator section of rolling

Figure 10 and Figure 11 squeeze the structure chart that splits impregnator grinding tooth section and reverse acting spiral section

Figure 12 is the structure chart of high-concentration boiling and bleaching slurrying all-in-one

Figure 13 and Figure 14 are respectively the main cutaway view and the radial cross-section of the multichannel rotary valve of high-concentration boiling and bleaching slurrying all-in-one

Figure 15 is dip pan grinding machine its whole structure figure

Figure 16 and Figure 17 are respectively mill card and two mill cooperation figure.

The specific embodiment

Disclosed high yield environmental protection paper-making pulping process method of patent application of the present invention and pulping system thereof; Wherein realize the high yield environmental protection paper-making pulping system of high yield environmental protection paper-making pulping process method; By the setting of technology circuit include successively stock-cutter 1, the hammer bolting silk select dust removal machine 2; Send into cleaning dust removal machine 4 by conveying equipment 3; Through dehydration conveying equipment 5, decatize conveying worm 6, squeeze and split machine 7, send material to disperseing impregnating equipment through conveying equipment 8, carry and be connected to high-concentration boiling and bleaching slurrying all-in-one 11, drainage conduit is connected to pulp bin 12 again, pulp bin 12 pump lines connect thickening machine 14; Thickening machine 14 exports high-density paste mill 16 to, and high-density paste mill 16 output is sent into low dense fiberizer 19, screening clearing machine 22 and concentration squeezing machine 23 adjustment slurry concentrations successively through latency chest 10 and got commercial pulp.Clean and add the preimpregnation medicament in the dust removal machine 4; Preimpregnation medicament pipe feeds decatize conveying worm 6; Dipping medicament pipe feeds to squeeze and splits machine 7, and the dipping medicament adds and stirs impregnation bin 9, the slaking medicament, steams and floats medicament and oxygen and float the medicament pipe and feed high-concentration boiling and bleaching slurrying all-in-one at times.Wherein clean dust removal machine 4, dehydration conveying equipment 5, decatize conveying worm 6, stir impregnation bin 9 genus wet method preimpregnation.

Stock-cutter wherein can be rotor formula chaffcutter, disk chipper or cut reed machine etc.

Hammer bolting silk wherein selects dust removal machine can on the architecture basics that is railroad duster, bipyramid dust removal machine, cyclopneumatic separator, increase hammering mechanism composition, can also select multi-functional minute bolting silk blanking dirt all-in-one for use.The formation of this multi-functional minute bolting silk blanking dirt all-in-one such as Fig. 4 are with shown in Figure 5: the some roads beaming roller 30 that is had by parallel horizontal rotational support in the tunnel passage in the casing of charging aperture 31 to discharging opening 32; Be provided with eight road beaming rollers in the present embodiment; Constitute dust-collecting cavity 33 between the sieve plate of beaming roller 30 tops and the upper housing, dust-collecting cavity 33 is communicated with negative pressure mechanism.Evenly be set with the pin thorn 34 of some quantity on beaming roller 30 surfaces, the interspersed pin thorn 4 middle hammer cuttves 35 that are hinged on the beaming roller 30 that evenly are provided with that are distributed in, the top of described pin thorn 34 can be a spine, also can be the blunt top of circle.Beaming roller 30 belows are provided with down sieve plate 36, and following sieve plate 36 has and beaming roller pin thorn 34 and the cambered surface of hammering the setting of cutter 35 maximal margin circular trace spacings into shape, and cambered surface is provided with some roads and is the bed plate 37 that shearing cooperates with pin thorn 34 and hammer cutter 35.From charging aperture 31 to the rotation at a high speed that raises of going forward one by one successively of each beaming roller rotating speeds of discharging opening 32 directions.Raw material is advanced by a lot of beaming roller; 37 effects are broken, cut silk, beat, separate with bed plate by the hammer cutter 35 of each road beaming roller 30, pin thorn 34; The plaster of lightweight, the broken foam of leaf etc. are siphoned away by dust-collecting cavity 33 negative pressure on top; Sieve aperture through sieve plate such as the rhabdion of bulk, marrow, slag, stone falls into outside slag trapping chamber 38 and the discharge machine, is long filament shape coarse fiber bundles clean, the size homogeneous by discharging opening 32 outputs finally.

Described cleaning dust removal machine 4 can be selected drum-type rinsing machine, waterpower material washing machine for use, preferably selects multi roll sandstone metal collectors for use.

Described squeezing split machine; Can be screw extrusion shredder, double helix fiberizer, kneading or grinding leaser, twin-screw roller type paste mill, what select for use in this implementation system be to squeeze to split impregnator, extremely shown in Figure 11 like Fig. 6; Agent structure comprises casing; Casing fixedly is made up of upper and lower two halves casing 84,85 make-ups, and rotational support is provided with two-parallel axis roller 80a, 80b in the casing, and charging aperture 86 is separately positioned on the upper and lower side direction in beaming roller two ends with discharging opening 87.Beaming roller is axially gone up by different order or quantity permutation and combination has work section one or work section two or work section three.Work section one is made up of with the section of rolling A2 the feed auger section; The section of rolling A1 is that axial multiple tracks rolls dish 81 stacked compositions; Roll dish 81 for having the cam that rolls arc outline; Multiple tracks rolls dish and is crisscross arranged diametrically successively and constitutes the section of rolling, and from charging to the discharging direction, the radially stagger angle that multiple tracks rolls dish is by dwindling setting greatly gradually; Work section two is made up of feed auger section B1 and grinding tooth dish section B2; Grinding tooth dish 82 is the multi-groove type sheave, and respectively encircling of grinding tooth dish 82 evenly offers some skewed slots 83 on the tooth, and the height of skewed slot 83 is identical with the tooth depth of grinding tooth dish 82; Its notch is rectangular, and is 15～25 ° angle with the beaming roller axis; Work section three is made up of feed auger section C1 and reverse acting spiral section C2; Evenly be provided with some skewed slots 89 on the reverse thread tooth 88 of reverse acting spiral section; The height of skewed slot 89 is identical with the tooth depth of reverse thread tooth 88, and its notch is rectangular, and is 30～45 ° of angles with axis.Raw material is sent into this crowded impregnator that splits by decatize conveying worm 6; The physics extruding is implemented in two rollers engagement, raw material is torn into thread, and the heat that discharges simultaneously raises built-in temperature significantly and produces boil-off gas; The raw material cell wall extruding is split; The moisture content of fibrous inside, air and non-fibre composition are come out by a certain amount of extruding like materials such as lignin, pectin, tannin, heteroproteose cell, ash, resins, are sifted out by screen cloth in the machine and drain; Raw material extremely is squeezed into the velvet shape; In the adding medicine mouth or steam inlet 84a adding machine of dipping medicament by each work segment ends, material equally is impregnated into fibrous inside rapidly in cell membrane with soup as the sponge of extremely compression, makes fibrous raw material obtain the rapid osmotic action-reaction.

Described dispersion impregnating equipment is for stirring impregnation bin 9; Like hydrabrusher, waterpower grass washing machine; Preferably select for use waterpower to stir impregnator, pump line is connected to high-concentration boiling and bleaching slurrying all-in-one 11, and this equipment one is the slurrying that is more suitable in the more loose rice wheat straw raw material of fiber; The 2nd, dense former slip in being suitable for; The concentration range of dense former slip is generally 5-10% in described, for then more be applicable in wooden stalk kind raw material of laying particular stress on such as the higher cotton stalk of density, beans bar, rattan and the high dense former slip pulping system dip pan grinding machine 9 ', the concentration range of the dense former slip of described height is generally 10-40%.Shown in figure 15; Dip pan grinding machine 9 ' comprise main shaft bearing support 202, mill portion and expect the promotion part; The charging screw feeder 211 of material promotion part is rotated by bearing 212 and is arranged in the body feeding-passage 208, is rotatably installed on the main shaft bearing support 202 by bearing with the main shaft 206 of charging screw feeder 211 coaxial lines, and feeding-passage 208 feeds mill chambers 203; The end cap 213 of feeding-passage and the casing of main shaft bearing support fixedly spiral-lock form described mill chamber 203; Be installed with fixed millstone 214 on the end cap 213, rotating disk 216 is fixedly mounted on main shaft 206 and penetrates on the axle head in the mill chamber 203, and this rotating disk 216 is fixed on main-axis end by the locking wing wheel 217 that plays material-distributing action; Movable grinding disc 215 bolt are installed on the rotating disk 216, movable grinding disc 215 is separated with fixed millstone 214 mills cooperated.Corresponding from inside to outside sub-material mill district L, dispersion mill district M and the fine grinding district N of being furnished with on the card of fixed millstone 214 and movable grinding disc 215; Sub-material mill district L and fine grinding district N can be the arc radial pattern roll flute districts of revolving shown in figure 16; It also can be the roll flute district of the parallel distribution in oblique angle; Sub-material mill district L roll flute distribution density is lower than fine grinding district N, and the sub-material mill district L of two mills and fine grinding district N are the plane clearance mill and separate cooperation.Shown in figure 17; Dispersion mill district M is that the concavo-convex chimeric multiple tracks concentric teeth of two mills is periphery and puts the district; Evenly offer the current groove of some materials on the per pass engagement ring gear; The inner ring of dispersion mill district M has the groove of larger slot mouth with respect to the outer ring, and the ring gear width between two grooves is also greater than outer ring ring gear width, and promptly groove width of rebate and ring gear width are slow convergent trend from the inside to the outside.Realize the dipping of required soup when separating in order to realize the material mill; Feed feeding-passage 208 and be provided with soup inlet pipe 209 and steam inlet tube 210, during charging, dipping soup and steam are respectively by in soup inlet pipe 209 and steam inlet tube 210 injecting feedings; Material and soup mix through feed auger and send into; In fully mixing,, the material of dipping mixing is brought into the mill district of two mills by the material-distributing action of locking wing wheel 217; Material is clamp-oned dispersion mill district M and fine grinding district N under the powerful progradation of sub-material mill district L; With the reaction of medicament dipping, slurry is discharged by the bottom discharge gate, sends into high-concentration boiling and bleaching slurrying all-in-one 11 by conveying worm 13 in fibrillating is handled.

Described high-concentration boiling and bleaching slurrying all-in-one; It is the horizontal pulping tank of sealing with closed sandwich A, and having with the horizontal central line is the rotary drive mechanism of axis, and the pulping tank both sides are rotated through bearing 150 and are provided with; Its central authorities are set with gear wheel 30, drive through worm and gear and rotate.The pulping tank upper center is provided with feed pipe 100; The pulping tank inside of feed pipe 100 is arranged with the threeway 170 of the mouth of pipe towards two side direction; Slurry pours in pulping tank by threeway 170 to both sides, and the distribution in pulping tank is comparatively even, and the pulping tank below is provided with a plurality of leakage fluid drams 80; Be laid on the pulping tank below and be provided with sieve plate B, discharged pulping tank by leakage fluid dram 80 by the liquid matter of filtering; Pulping tank one side bottom is provided with the laterally disposed discharge nozzle of the mouth of pipe 90, after slurrying finishes, has accumulated suitable oxygen enrichment air pressure in jar, and this air pressure is initiatively arranged form slurry and outwards spurted, and has reached the technical purpose of smooth and easy blowdown.Run through axially to support being provided with drug liquid tube 101 in the pulping tank, be evenly equipped with aperture on the drug liquid tube 101 by stay pipe 120.Be set with on the pulping tank tank skin and dial tablet 110, in the pulping tank rotation, strengthen even stirring and mixing effect.Pulping tank one end axial location is provided with the multichannel rotary valve; Like Fig. 4 and shown in Figure 5; The multichannel rotary valve includes the valve body 41 and rotary spool 42 formations that rotatory sealing cooperates; Spool 42 is fixed on the pulping tank; The soup cavity 43 that is connected by spool central authorities is communicated with pulping tank inner liquid medicine pipe 101; The spool 42 interior parallel thermals source that also are provided with medicine liquid channel are introduced cavity 44 and are drawn cavity 45 and compressed air introducing cavity and draw cavity, low-temperature receiver introducing cavity and draw cavity; The valve wall that valve body 41 and spool 42 are rotatably assorted is provided with thermal source and introduces annular groove 144 and draw annular groove 145 and compressed air introducing annular groove 140 and draw annular groove 141, low-temperature receiver introducing annular groove and draw annular groove; Corresponding with the corresponding annular groove respectively connection of each cavity, valve body 41 is provided with the external pipeline that communicates with each annular groove, and thermal source or low-temperature receiver external pipeline 46 are introduced cavity 44 or low-temperature receiver is introduced cavity, input pipe 50, pulping tank interlayer A, return pipe 60, thermal source draws cavity 45 or low-temperature receiver is drawn cavity, external pipeline 47 constitutes boiling heating or cooling channels through thermal source successively.

High-concentration boiling and bleaching slurrying all-in-one discharge gate is communicated to pulp bin 12; The pulp bin pump line connects thickening machine 14; Described thickening machine is thickening equipment such as single Double screw pulp extruder, belt filter press, Var-nip press, pressafiner; Implement the operation of squeezing delignified pulp middle-stage wastewater, its discharging concentration is controlled at 25-30%, its waste water recovery rate >=90%.Be delivered to high middle-density refiner by conveying equipment, dilution, low dense fiberizer, screening, slurry squeezing thickener output concentration are the commercial pulp of 25-30%.

The disclosed high yield environmental protection paper-making pulping process method of application of the present invention; Include pretreatment of raw material section, physics silk impregnation process section, soak to steam and float three sections one slurrying sections and thickening processing section, below the percentage formed of each medicament be the percentage amounts that accounts for plant material weight;

1., pretreatment of raw material section: plant material is through cutting off and the hammering silkization; Remove the preimpregnation soup that silt particle and slag thing add softening swollen raw material simultaneously, be 60-80 ℃ in temperature and flooded 5-10 minute down, cleaning residual silt particle, chip in the raw material; Thereafter dehydration, softening raw material 5-10 minute of decatize; Described preimpregnation soup includes neopelex 0.02～0.08%, NaOH 0.3～0.8%, chelating agent 0.25～0.6%, bleeding agent AEO JFC 0.025～0.1%; Described chelating agent is one of any among EDTA or the DTPA;

2., physics silk impregnation process section: will handle a raw material through 1. section and send into to squeeze and split machine; Implementing powerful the squeezing of physics grinds, tears, crumples and be the staple shape; Split machine work segment ends adding dipping medicament in squeezing, in steeper, stir dipping, make medicament fully impregnated in fibrous inside; Described dipping medicament includes neopelex 0.02～0.15%, NaOH 2～3.5%, chelating agent 0.15～0.35%, and described chelating agent is one of any among EDTA or the DTPA;

3., soak to steam and float three sections one slurrying sections: 2. section dipping raw material is sent into high-concentration boiling and bleaching slurrying all-in-one, and filter screen filters the 2. liquid matter composition of section raw material, in same mash vessel, implements slaking successively, steams and float reaction and bleaching action; The slaking period: run through drug liquid tube by central authorities in the all-in-one and add the slaking medicament, under the pressure condition of 80-100 ℃ of temperature and 0.1-0.3MPa slaking 60-90 minute; It is that oxygen floats delignification's reaction period that the reaction period is floated in steaming: added to steam by drug liquid tube and float medicament, again by the drug liquid tube aerating oxygen, under the pressure condition of 80-100 ℃ of temperature and 0.3-0.5MPa, steam and float reaction 30-90 minute; The bleaching action period; Need to divide two-four periods to add oxygen successively and float medicament by drug liquid tube; Keep the 0.3-0.5MPa oxygen pressure, under 70-90 ℃ of temperature conditions bleaching action 30-60 minute, at last by the oxygen enrichment gas pressure discharging slurry of putting aside in the all-in-one space; Described slaking medicament includes NaOH 1.5～3%, magnesium sulfate 0.1～0.5%, sodium metasilicate 1～3.5%, sodium sulfite 0.5～1.5%, oxygen and floats agent 0.5～1.5%; Described steaming is floated medicament and is comprised that chelating agent 0.25～0.6%, NaOH 1～3%, magnesium sulfate 0.2～1%, sodium metasilicate 1.5～3.5%, oxygen float agent 2～4%; Described oxygen floats medicament and comprises that magnesium sulfate 0.1～0.5%, sodium metasilicate 2～6%, oxygen float agent 3～5%; It is at least a in SODIUM PERCARBONATE, sodium peroxide, hydrogen peroxide, carbamide peroxide, the peracetic acid that oxygen wherein floats agent;

4., thickening processing section:,, get commercial pulp again through defibrination, screening, purification by dehydration concentrator press dewatering.

Below will combine specific embodiment, and the aforementioned techniques scheme is given to launch and specify, but the technical scheme of patent application of the present invention not limited to by following embodiment.

Embodiment 1

Raw material: paddy and wheat grass

Raw material gets into through rotor formula chaffcutter chaffcutter and divides in the bolting silk blanking dirt all-in-one, and the waste residue bits that filter out are delivered to the waste residue biomass gasification system, shown in the frame of broken lines structure of Fig. 1; The raw material that broken silk is handled is sent into multi roll sandstone metal gathering machine, adds the preimpregnation medicament, and the preimpregnation medicament includes neopelex 0.05%, bleeding agent AEO JFC0.05%, NaOH 0.5%, DTPA0.5%; Liquor ratio 1: 20, through the effect that multiple roll is dialled tablet and current, raw material is through pre-wash; Washing, dipping temperature are 75 ℃, quicken infiltration, the swollen raw fiber; With bulk sandstone of carrying secretly in the raw material or the great foreign bodies removal of metal sundries geometric ratio, fall into outside the bottom collection slag ladle timing discharge machine, washing material is flow in the inclined screw Water Extraction Machinery by the effect of current certainly; Raw material is made progress by the bottom and carries the gravity effect of leaning on, and the free water that is mingled with in the raw material is discharged from the spiral sieve aperture, and the raw material dehydration is after the decatize screw machine is sent into crowded splitting in the impregnator; 100 ℃ of steam temperatures, through squeezing the extruding and tearing of splitting impregnator and the impregnation process of flooding soup, raw material changes crude fibre into; Described dipping medicament comprises neopelex 0.05%, NaOH 3%, DTPA0.2%, presses transportation concentration 6% and calculates its liquor ratio, is delivered in the high-concentration boiling and bleaching slurrying all-in-one through waterpower preimpregnation machine and raw material pump line; By the dipping soup of waterpower preimpregnation machine as delivery vehicles; 70 ℃ of temperature, transportation concentration 6%, the dipping soup leaches in the gravity flow backwater power preimpregnation machine and recycles when high-concentration boiling and bleaching slurrying all-in-one is reinforced; Thereafter add the slaking medicament, temperature is that 100 ℃, pressure are that 0.2MPa, reaction time are 60 minutes; Add steaming by drug liquid tube and float medicament and oxygen, keep oxygen to press to 0.35MPa, reaction temperature are 80 ℃, the reaction time is 60min; And then divide two-four sections to add oxygen successively by drug liquid tube and float medicament, and temperature is 80 ℃, the reaction time is 60min; Bleaching finishes the back and slurry is sprayed into to pulp bin above-mentioned slaking kit sulfur acid magnesium 0.5%, sodium sulfite 1.5% by discharge gate; NaOH 3%, SODIUM PERCARBONATE 1.5%, sodium metasilicate 2.5%; Steaming is floated medicament and is comprised NaOH 2.5%, magnesium sulfate 0.5%, sodium metasilicate 3%, hydrogen peroxide 4%; Oxygen floats kit and contains sodium metasilicate 4%, magnesium sulfate 0.5%, hydrogen peroxide 4%, carbamide peroxide 1%.

Spurting two senior middle school's concentration fiberizers that the slurry that sends into series connection through conveying worm after through the acroll press washer press dewatering pulls an oar successively; Beating consistency 25%; Mill disposed slurry gravity flow falling into the pond 10 of diving of disappearing and disappearing to dive and handle, and delivers to pressurized screen through stock pump again and screens, and good slurry is admitted to belt filter press; Pass through filter-press dehydration; Obtain the wet shape market pulp of concentration 25-30%, also can send into the online of sizing mixing of paper machine system and copy paper, the slag slurry in the pressure screening process is sent into defibrination system reslurry again.

Spurt the slurry that after floating and float the back waste residue through what acroll press washer was deviate from; Wherein a part is back to the wet method preimpregnation behind simple and easy sedimentation and filtration; Be used as and wash material preimpregnation water and pulp bin circulation dilution water; The water that removes of remaining most middle-stage wastewater and dehydration conveying equipment 5 is sent into wastewater treatment jointly and is utilized in the system again; Through coarse rack filtration, flotation tank deposition, flocculation, air supporting, through screen, preliminary sedimentation tank, the preparatory acidification pool of adjusting, IC anaerobic reactor, aerobic aeration tank and second pond, the processing water of output is back in the pulping system.

At chaffcutter, divide the broken thin waste material slag bits that sift out in the bolting silk blanking dirt process, foreign material that the wet method preimpregnation is discharged, squeeze and split impregnator and discharge organic substance and wastewater treatment and utilize waste residues such as sediment in the systematic procedure, high concentration press filtration mud again; Abundant mixing through double roller mixer; Send into biomass fuel feed bin, biomass gasifying furnace system successively; Producing biological fuel gas is stored in the gas tank; Produce electric energy through the gas electricity generator system and be back in the system equipment and use, the heat release of can also burning is used.

Embodiment 2

Raw material: reed

Raw material is through the disk chipper blank, gets in multi-functional minute bolting silk blanking dirt all-in-one, and the waste material slag that filters out is considered to be worth doing to the waste residue biomass gasification system; The raw material that broken silk is handled is sent in the multi roll sandstone metal gathering machine, adds the preimpregnation medicament, and the preimpregnation medicament comprises neopelex 0.05%, bleeding agent AEO JFC0.05%, NaOH 0.5%, DTPA0.5%; Liquor ratio 1: 20, through the effect that multiple roll is dialled tablet and current, raw material is through pre-wash; Washing, dipping temperature are 75 ℃, quicken infiltration, the swollen raw fiber; With bulk sandstone of carrying secretly in the raw material or the great foreign bodies removal of metal sundries geometric ratio, fall into outside the bottom collection slag ladle timing discharge machine, washing material is flow in the inclined screw Water Extraction Machinery by the effect of current certainly; Raw material is upwards carried the gravity effect of leaning on by the bottom, and the free water that is mingled with in the raw material is discharged from the spiral sieve aperture, and raw material dehydration back is sent into to squeeze through the decatize spiral and split in the impregnator; 100 ℃ of steam temperatures, through squeezing the extruding and tearing of splitting impregnator and the impregnation process of flooding soup, raw material changes crude fibre into; The dipping medicament comprises neopelex 0.05%, NaOH 3%, DTPA0.2%, presses transportation concentration 6% and calculates its liquor ratio, is delivered to high-concentration boiling and bleaching slurrying all-in-one through waterpower preimpregnation machine and feedstock pump; Waterpower preimpregnation machine uses the dipping soup as delivery vehicles, and temperature is 70 ℃, when high-concentration boiling and bleaching slurrying all-in-one is reinforced, leaches in the dipping soup gravity flow backwater power preimpregnation machine to recycle; Thereafter add the slaking medicament, temperature is 100 ℃, pressure 0.3MPa, 60 minutes reaction time, is added to steam by drug liquid tube thereafter and floats medicament and oxygen; Keeping oxygen to press being 0.5MPa, reaction temperature is that 80 ℃, reaction time are 60 minutes, divides two-four sections to add oxygen successively by drug liquid tube and float medicament again; Reaction temperature is that 90 ℃, reaction time are 60 minutes, and bleaching finishes the back and slurry sprayed into to pulp bin its matured kit sulfur acid magnesium 0.5% by discharge gate; Sodium sulfite 1.5%; NaOH 3%, SODIUM PERCARBONATE 2%, sodium metasilicate 2.5%; Steaming is floated kit and is contained NaOH 3%, magnesium sulfate 0.5%, sodium metasilicate 3%, hydrogen peroxide 4%; Oxygen floats kit and contains sodium metasilicate 5%, magnesium sulfate 0.5%, hydrogen peroxide 4%, carbamide peroxide 1%.

Spurting two senior middle school's concentration fiberizers that the slurry that sends into series connection through conveying worm after through the acroll press washer press dewatering pulls an oar successively; High consistency beating disposed slurry gravity flow falling into the pond of diving of disappearing and disappearing to dive and handle, and is pumped to 1 DFSP awl flat double disc refiner correct grinding again, refining concentration 3.5%; Sending into pressurized screen again screens; Good slurry is admitted to belt filter press, through filter-press dehydration, obtains the wet shape market pulp of concentration 25-30%.Slag in pressure screening process slurry is refluxed again to be sent into the DFSP fiberizer and finish grindes making beating again.

The slurry that floats back ejection floats the back waste residue through what acroll press washer was deviate from; Wherein a part is back to the wet method preimpregnation behind simple and easy sedimentation and filtration; Be used as and wash material preimpregnation water and pulp bin circulation dilution water; The water that removes of remaining most middle-stage wastewater and dehydration conveying equipment 5 is sent into wastewater treatment jointly and is utilized in the system again; Through coarse rack filtration, flotation tank deposition, flocculation, air supporting, through screen, preliminary sedimentation tank, the preparatory acidification pool of adjusting, IC anaerobic reactor, aerobic aeration tank and second pond, the processing water of output is back in the pulping system.

At chaffcutter, divide the broken thin waste material slag bits that sift out in the bolting silk blanking dirt process, foreign material that the wet method preimpregnation is discharged, squeeze and split impregnator and discharge organic substance and wastewater treatment and utilize waste residues such as sediment in the systematic procedure, high concentration press filtration mud again; Abundant mixing through double roller mixer; Send into biomass fuel feed bin, biomass gasifying furnace system successively; Producing biological fuel gas is stored in the gas tank; Produce electric energy through the gas electricity generator system and be back in the system equipment and use, the heat release of can also burning is used.

Embodiment 3

Raw material: Chinese holly trees sheet

Raw material gets into chip screen through chipping machine, and accepted chips is sent in the multi roll sandstone metal gathering machine through belt conveyor, adds the preimpregnation medicament; The preimpregnation medicament comprises neopelex 0.05%, bleeding agent AEO JFC0.05%, NaOH 0.5%, DTPA0.5%, liquor ratio 1: 20, and washing, dipping temperature are 80 ℃; Quicken infiltration, swollen raw fiber, the effect of dialling tablet and current through multiple roll; Raw material, falls into outside the bottom collection slag ladle timing discharge machine bulk sandstone of carrying secretly in the raw material or the great foreign bodies removal of metal sundries geometric ratio through pre-wash; From flowing in the inclined screw Water Extraction Machinery, upwards carried by the bottom and lean on the gravity effect by raw material under the effect of current for washing material, and the free water that is mingled with in the raw material is discharged from the spiral sieve aperture; Raw material dehydration back is sent into to squeeze through the decatize spiral and is split in the impregnator, and 100 ℃ of steam temperatures are sent into the crowded extruding and tearing effect of impregnator and the impregnation process of dipping soup split; Raw material changes crude fibre into, and its dipping medicament comprises neopelex 0.05%, NaOH 3%, DTPA0.2%, delivers in the high-concentration boiling and bleaching slurrying all-in-one through waterpower preimpregnation pump; Waterpower preimpregnation machine uses the dipping soup as delivery vehicles, transportation concentration 6%, 70 ℃ of temperature; Recycle in the dipping soup gravity flow backwater power preimpregnation machine that when high-concentration boiling and bleaching slurrying all-in-one is reinforced, leaches, add the slaking medicament thereafter, temperature is 100 ℃, pressure 0.3MPa, reaction time 70min; Added to steam by drug liquid tube again and float medicament and oxygen, keep oxygen to press to 0.5MPa, reaction temperature are 90 ℃, the reaction time is 80 minutes; Two-four sections add oxygen successively by drug liquid tube and float medicament again, and reaction temperature is that 90 ℃, reaction time are 80 minutes, and bleaching finishes the back and by discharge gate slurry sprayed into to pulp bin; Its matured kit sulfur acid magnesium 0.5%, sodium sulfite 1.5%, NaOH 3%; SODIUM PERCARBONATE 2%, sodium metasilicate 2.5%; Steaming is floated kit and is contained NaOH 3%, magnesium sulfate 0.5%, sodium metasilicate 3%, hydrogen peroxide 4%; Oxygen floats kit and contains sodium metasilicate 5%, magnesium sulfate 0.5%, hydrogen peroxide 3.5%, carbamide peroxide 1.5%.

Spurting the slurry that sends into two senior middle school's concentration fiberizers of series connection through conveying worm after through the acroll press washer press dewatering and pulls an oar successively; High consistency beating disposed slurry gravity flow falling into the pond of diving of disappearing and disappearing to dive and handle, and delivers to 2 DFSP awl flat double disc refiners correct grindings, refining concentration 3.5% through stock pump again; Getting into pressurized screen again screens; Good slurry is admitted to belt filter press, through filter-press dehydration, obtains the wet shape market pulp of concentration 25-30%.Slag in pressure screening process slurry is refluxed again to be sent into the DFSP fiberizer and finish grindes making beating again.

Spurt the slurry that after floating and float the back waste residue through what acroll press washer was deviate from; Wherein a part is back to the wet method preimpregnation behind simple and easy sedimentation and filtration; Be used as and wash material preimpregnation water and spurt pulp bin circulation dilution water; Remaining most middle-stage wastewater and dehydration conveying equipment 5 remove water and send into wastewater treatment jointly and utilize in the system again; Through coarse rack filtration, flotation tank deposition, flocculation, air supporting, through screen, preliminary sedimentation tank, the preparatory acidification pool of adjusting, IC anaerobic reactor, aerobic aeration tank and second pond, the processing water of output is back in the pulping system.

At chaffcutter, divide the broken thin waste material slag bits that sift out in the bolting silk blanking dirt process, foreign material that the wet method preimpregnation is discharged, squeeze and split impregnator and discharge organic substance and wastewater treatment and utilize waste residues such as sediment in the systematic procedure, high concentration press filtration mud again; Abundant mixing through double roller mixer; Send into biomass fuel feed bin, biomass gasifying furnace system successively; Producing biological fuel gas is stored in the gas tank; Produce electric energy through the gas electricity generator system and be back in the system equipment and use, the heat release of can also burning is used.

Claims (7)

1. one kind high yield environmental protection paper-making pulping process method is characterized in that this method comprises pretreatment of raw material section, physics silk impregnation process section, soaks to steam and float three sections one slurrying sections and thickening processing section; The percentage that medicament is wherein formed is the percentage amounts that accounts for plant material weight;

1., the pretreatment of raw material section: plant material through cut off, beat silkization and remove silt particle and the slag thing after, add the preimpregnation soup, be 60-80 ℃ of dipping 5-10 minute down in temperature, dewater, feed decatize enforcement again and softened 5-10 minute; Described preimpregnation soup comprises neopelex 0.02～0.08%, NaOH 0.3～0.8%, chelating agent 0.25～0.6%, bleeding agent AEO JFC 0.025～0.1%, and wherein chelating agent is one of any among EDTA or the DTPA;

2., physics silk impregnation process section: 1. a section material is sent into to squeeze and is split machine, is ground, tears, crumples and be the staple shape by powerful squeezing, and when beginning to become the staple shape or having become the staple shape, injects and floods medicament; Described dipping medicament includes neopelex 0.02～0.15%, NaOH 2～3.5%, chelating agent 0.15～0.35%, wherein chelating agent be EDTA or in one of any;

3., soak steaming and float three sections one slurrying sections: 2. a section dipping material is sent into high-concentration boiling and bleaching slurrying all-in-one; By the 2. liquid matter of section in the material of filtering in the high-concentration boiling and bleaching slurrying all-in-one; Come into effect slaking successively, steam and float reaction and bleaching action; The slaking period: inject the slaking medicament to all-in-one, under 80-100 ℃ of temperature, 0.1-0.3MPa pressure condition slaking 60-90 minute; It is that oxygen floats delignification's reaction period that the reaction period is floated in steaming: inject to steam to all-in-one and float medicament, and aerating oxygen, under 80-100 ℃ of temperature, 0.3-0.5MPa pressure condition, steam and float reaction 30-90 minute; The bleaching action period; Need to divide two-four sections to inject oxygen successively and float medicament; Keep the 0.3-0.5MPa oxygen pressure, under 70-90 ℃ of temperature conditions bleaching action 30-60 minute; Be to be that power is drained slurry during discharge with the oxygen enrichment air pressure of putting aside in the all-in-one; Described slaking medicament includes NaOH 1.5～3%, magnesium sulfate 0.1～0.5%, sodium metasilicate 1～3.5%, sodium sulfite 0.5～1.5%, oxygen and floats agent 0.5～1.5%; Described steaming is floated medicament and is comprised that chelating agent 0.25～0.6%, NaOH 1～3%, magnesium sulfate 0.2～1%, sodium metasilicate 1.5～3.5%, oxygen float agent 2～4%; Chelating agent wherein be EDTA or in one of any, described oxygen floats medicament and comprises that magnesium sulfate 0.1～0.5%, sodium metasilicate 2～6%, oxygen float agent 3～5%, wherein to float agent be at least a in SODIUM PERCARBONATE, sodium peroxide, hydrogen peroxide, carbamide peroxide, the peracetic acid to oxygen;

4., the thickening processing section: by dehydration concentrator press dewatering, again through defibrination, screening, purification, adjust commercial pulp.

2. high yield environmental protection paper-making pulping system that realizes claim 1 paper-making pulping process method; It is characterized in that system by the technology circuit include successively that stock-cutter, hammer bolting silk select dust removal machine, clean dust removal machine, dehydration conveying equipment, decatize conveying worm, squeeze split machine, disperse impregnating equipment, conveying is connected to high-concentration boiling and bleaching slurrying all-in-one, drainage conduit is connected to pulp bin again; The pulp bin pump line connects the thickening machine; The thickening machine exports high-density paste mill to; High-density paste mill output connects screening clearing machine and concentration squeezing machine successively; The preimpregnation drug liquid tube feed to clean dust removal machine and decatize screw machine, and dipping medicament pipe feeds to squeeze and splits machine, and slaking medicament, steaming are floated medicament and oxygen and floated the medicament pipe and feed high-concentration boiling and bleaching slurrying all-in-one at times.

3. high yield environmental protection paper-making pulping according to claim 2 system; It is characterized in that hammering into shape bolting silk, to select dust removal machine be multi-functional minute bolting silk blanking dirt all-in-one; Its structure is: by some roads beaming roller that parallel horizontal rotational support in the tunnel passage in the casing of charging aperture to discharging opening has, evenly be set with the pin thorn of some quantity on the beaming roller surface, be articulated in interspersed being distributed in the middle of the pin thorn of hammer cutter of beaming roller; The beaming roller top is provided with sieve plate; The below is provided with down sieve plate, and following sieve plate has the cambered surface of stinging and hammer into shape the setting of cutter maximal margin circular trace spacing with the beaming roller pin, and cambered surface is provided with some roads and is the bed plate that shearing cooperates with pin thorn and hammer cutter.

4. high yield environmental protection paper-making pulping according to claim 2 system; It is characterized in that wherein crowded split the crowded impregnator that splits that extruding strings device is a twin shaft roller work structuring; Squeeze the interior rotational support of the casing that splits impregnator and be provided with two parallel engagement beaming rollers; Charging aperture and discharging opening are separately positioned on the beaming roller two ends, select at least work section one, work section two and work one of in the section three and the quantity that is selected the work section be at least one group vertically assembled arrangement be arranged on each beaming roller; Described work section one is made up of the feed auger section and the section of rolling jointly; The section of rolling is that axial multiple tracks rolls the dish composition; Roll dish for having the cam that rolls arc outline; Multiple tracks rolls disc radial and is crisscross arranged and constitutes the section of rolling, and the spiral section clearance meshing of two rollers cooperates, each respective shaft position of the section of rolling roll the staggered cooperation of dish; Described work section two is made up of feed auger section and grinding tooth dish section jointly, and the grinding tooth dish is the multi-groove type sheave, and respectively encircling of grinding tooth dish evenly offers some skewed slots on the tooth, two rollers spiral section and the intersegmental crack of grinding tooth dish engagement fit; Described work section three is made up of feed auger section and reverse acting spiral section jointly; Evenly be provided with some skewed slots on the reverse thread tooth of reverse acting spiral section with respect to axioversion; The intersegmental crack of two rollers spiral section and reverse acting spiral engagement fit, medicament mouth or steam inlet are arranged at the segment ends of respectively working.

5. high yield environmental protection paper-making pulping according to claim 2 system; It is characterized in that high-concentration boiling and bleaching slurrying all-in-one wherein is the horizontal pulping tank of sealing with closed sandwich; Having with the horizontal central line is the rotary drive mechanism of axis, and the pulping tank upper center is provided with feeding-passage, and the pulping tank inside of feeding-passage is arranged with the threeway of the mouth of pipe towards both sides; The pulping tank below is provided with leakage fluid dram, is laid on the pulping tank below and is provided with sieve plate; Pulping tank one end is provided with the laterally disposed discharge nozzle of the mouth of pipe; Pulping tank one end axis place is provided with the multichannel rotary valve; The multichannel rotary valve includes valve body and the rotary spool formation that rotatory sealing cooperates; Spool is fixed on the pulping tank, and the soup cavity connects spool central authorities, and is communicated with drug liquid tube in pulping tank; Be evenly equipped with aperture on the drug liquid tube; Be provided with the thermal source parallel with medicine liquid channel in the spool and introduce cavity and draw cavity, the valve wall that valve body cooperates with valve core rotation is provided with thermal source and introduces annular groove and draw annular groove, corresponding with the corresponding annular groove respectively connection of each cavity; Valve body is provided with the external pipeline that communicates with each annular groove, and the thermal source of external pipeline is gone into pipe and introduced through thermal source successively that cavity, input pipe, pulping tank interlayer, return pipe, thermal source are drawn cavity, external pipeline constitutes boiling and adds heat passage.

6. high yield environmental protection paper-making pulping according to claim 2 system, it is characterized in that disperseing impregnating equipment is to stir impregnation bin (9).

7. high yield environmental protection paper-making pulping according to claim 2 system; It is characterized in that disperseing impregnating equipment is dip pan grinding machine (9 '); This dip pan grinding machine comprises main shaft bearing support (202), mill portion and material promotion part; The charging screw feeder (211) of material promotion part is rotated by bearing and is arranged in the body feeding-passage (208); Be rotatably installed on the main shaft bearing support (202) by bearing with the main shaft (206) of charging screw feeder (211) coaxial line; Feeding-passage (208) feeds mill chamber (203), and the casing of end cap of feeding-passage (213) and main shaft bearing support fixedly spiral-lock forms described mill chamber (203), and the movable grinding disc (216) of main shaft (206) axle head is separated with the fixed millstone that is fixed on end cap (214) mill and cooperated; Corresponding from inside to outside sub-material mill district (L), dispersion mill district (M) and fine grinding district (N) of being furnished with on the card of fixed millstone and movable grinding disc; Dispersion mill district (M) wherein is that the multiple tracks concentric teeth of two mill convex-concaves engagements is periphery and puts the district, evenly offers the current groove of some materials on the per pass engagement ring gear, feeds feeding-passage (208) and is provided with soup inlet pipe and steam inlet tube.

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