CN202144575U

CN202144575U - Environment-friendly pulping system of mechanical pulp and chemically-mechanical pulp by using non-wood crops

Info

Publication number: CN202144575U
Application number: CN201120202086U
Authority: CN
Inventors: 李刚荣; 李军
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-06-14
Filing date: 2011-06-14
Publication date: 2012-02-15
Anticipated expiration: 2021-06-14

Abstract

The utility model provides an environment-friendly pulping system of mechanical pulp and chemically-mechanical pulp by using non-wood crops. The pulping system includes a cutting-off machine, a silk hammering dust remover, a dipping scrubber, a section I crushing dipping machine, a section II crushing dipping machine, a storage reaction bin, a high-concentration dipping disc refiner, a section III storage reaction bin, as well as a pulping machine and screening and purification concentration equipment which are used in the rear-segment procedures, wherein a steaming screw conveyor, the section I storage reaction bin, the section II storage reaction bin and the section III storage reaction bin are provided with vapor filler pipelines; and liquid medicine filler pipelines are arranged in a pump-in dipping scrubber, at the crushing tail end of the section I crushing dipping machine, at the crushing tail end of the section II crushing dipping machine, and at the input of the high-concentration dipping disc refiner. The market pulp can be obtained through the following pulping methods: raw material preparation, presteaming spiral delivery, two serially-connected physical fibrillating treatment sections, high-concentration disc-type dipping fibrillating treatment, and finally the high-concentration defibrination, screening, purification and dehydration. The technical scheme of the utility model has the technical advantages of high yield, zero contamination, low consumption, etc.

Description

Environmental protection machinery slurry pulping system and the chemi-mechanical pulp pulping system of non-woody crops

Technical field

The utility model relates to mechanical pulp, chemi-mechanical pulp pulping system; It is more remarkable that this pulping system is applied to mechanical pulp, the chemi-mechanical pulp effects on slurry making of annual non-woody agronomic crop fibre raw materials such as straw, straw, can also be applied to pulping and make processing industries such as reconstituted tobacoo.

Background technology

China is the production and consumption big country of paper and cardboard; But timber resources serious lack; And there is the technical problem that environmental pollution is serious, pulp quality is low in annual non-woody crops such as resourceful straw, straw as the pulping technique of fibrous raw material, therefore have to rely on for a long time the external commodity paper pulp of a large amount of imports.Be accompanied by the reinforcement of the whole world to ecological environmental protection consciousness, the import cost of timber and goods thereof is also more and more high, and in addition, dependence on import paper pulp and goods thereof have seriously jeopardized the sound development of China's paper industry for many years.Chemical pulping, chemical-mechanical pulping and machinery pulping technology that the various woody fibre plants of present application are raw material are comparatively ripe; But annual non-woody fibre plant; Comprise agronomic crop fibre resources such as resourceful stalk, straw; With how making full use of them, realizing that the low-carbon environment-friendly utilization of resources is the big technical barrier that slurrying industry, especially paper-making pulping industry face; Particularly strengthen the proportion of stalk fibre in the paper making pulp, agronomic crop fibre slurry at present, become the inexorable trend of China's pulping and paper-making industry development, so aspects such as the yield of non-woody fibre plant slurry and quality all need big technological improvement.

Environment friendly pulping process is the main direction of field of papermaking research always; Technical scheme like Deutsche Bundespatent NO.19730486 is flooded wood chip 20min with liquefied ammonia under 20bar pressure; Feed steam blasting again and handle, handle the back fibrous raw material and enter in the container, use ethanol: the solution of water=1: 1 is the extracting fibrous raw material repeatedly; Stripping lignin and hemicellulose contain 85% lignin and 90% hemicellulose in its ethanol water.It is the chemi-mechanical pulp slurrying production method of raw material with pinus sylvestris var. mongolica, kahikatea, poplar that Chinese patent CN101880977A discloses a kind of; Its technical scheme only limits to leaf wood and reaches with the needlebush composite material; But for non-woody fiber of stalk and crops; Adopt said method can not realize high yield, meet index request physical strength and high degree of bleaching, realize more being difficult to the technical purpose of cleaning pulping process the high and middle and high shelves of degree of bleaching finished product and starching.

The various places that spread all over the country, paper mill, non-woody fibre plant slurrying still major part stays in alkaline pulping method.Crops and grass fiber characteristic and morphological element and lumber fibre have very big-difference; Crops and straw fiber raw material have dark, non-fiber compositions such as ash is big, silicone content is high, the heteroproteose cell characteristics how of self color; These all are unfavorable factors in pulping process, especially soda pulping process technology; The high alkalinity process is removed compositions such as ash, lignin, produces the sewage pollution environment of a large amount of difficult conversion processing during removal, and reagent consumption such as water consumption and alkalescence is all higher in the technology.High in addition alkaline boiling; The centre must be provided with washing and screening, operations such as dehydration pulping etc., and boiling independently carry out with the bleaching process need, and black liquor, middle discharging of waste liquid amount are big; The fibre stream vector is also very big; Become that pulp yield is low, suspended matter in the sewage, organic concentration is high, color and luster is dark, its acid or alkalescence are big, biodegradability is poor, bring great pollution pressure to environment.

Summary of the invention

The goal of the invention of the utility model is to provide the environmental protection machinery slurry pulping system of the non-woody crops that technical indicator such as a kind of high yield, slurry physical strength and woody fibrous raw material slurry maintain an equal level, also provides the degree of bleaching height, can reach the chemi-mechanical pulp pulping systems of the non-woody crops of middle and high shelves pulping technical indicator.

The environmental protection machinery slurry pulping system of the non-woody crops that the utility model provides; Form by material operation traffic direction, its system and to comprise raw material cutting machine, a hammer silk dust removal machine, conveying equipment, dipping washer, drainage carries and decatize conveying worm, I section are squeezed and split impregnator and conveying equipment thereof, I section and store reaction warehouse and conveying equipment thereof, II section and squeeze and split that impregnator and conveying equipment thereof, II section are stored reaction warehouse and conveying equipment, high dense dip pan grinding machine and conveying equipment thereof, the III section is stored reaction warehouse and conveying equipment thereof; Purify concentrator with fiberizer, the screening of back segment operation, wherein decatize conveying worm, I section are stored reaction warehouse, the II section stores reaction warehouse and III section storage reaction warehouse is provided with the steam filling line.

On the basis of above-mentioned non-woody crops environmental protection machinery slurry pulping system; The utility model also provides the chemi-mechanical pulp pulping system of non-woody crops; Form by material operation traffic direction, its system and to comprise raw material cutting machine, a hammer silk dust removal machine, conveying equipment, dipping washer, drainage carries and decatize conveying worm, I section are squeezed and split impregnator and conveying equipment thereof, I section and store reaction warehouse and conveying equipment thereof, II section and squeeze and split that impregnator and conveying equipment thereof, II section are stored reaction warehouse and conveying equipment, high dense dip pan grinding machine and conveying equipment thereof, the III section is stored reaction warehouse and conveying equipment thereof; Purify concentrator with fiberizer, the screening of back segment operation; Wherein decatize conveying worm, I section are stored reaction warehouse, II section and are stored reaction warehouse and III section and store reaction warehouse and be provided with the steam filling line, feed dipping washer, I section and squeeze and split impregnator and squeeze and split end, II section and squeeze and split impregnator and squeeze and split end and input place of high dense dip pan grinding machine is provided with the soup filling line.

The environmental protection machinerys of the disclosed non-woody crops of the utility model slurry pulping system and chemi-mechanical pulp pulping system, what be directed against especially is crops such as annual non-woody fibre stalk, rice wheat straw and designing, it also is suitable for woody cellulosic plant material.The technical scheme of the utility model cooperates pulping process to flood reaction, the progressive PROCESS FOR TREATMENT means of gradually going of bleaching action successively at the pulping system composition, just will flood swollen, the softening fusion of decatize in the removal of impurities washing procedure wherein, in the physics silk process of three sections different modes; On the one hand powerfully remove the non-fiber composition that disturbs slurrying, until even refinement pulping, especially in two sections physics silk section operations the non-fiber composition that influences reacting and pulping and bleaching in straw and the grass fiber is extruded disengaging fully, in this step; The present technique scheme is not like preceding prior art; Be simple material physics is squeezed pine, squeezes and loose, but extremely squeeze split broken refinement in, brute forces such as liquid matter, air in lignin, pectin, tannin, heteroproteose cell, ash, resin and the fiber in the tissue are extruded; And with partially liq disengaging, discharge; It is the same that clout then becomes the sponge that is similar to by extremely compression, at this moment injects required soup, the absorption soup that this compressed velvet material can be rapid, deep, make the soup rapid osmotic be impregnated into fibrous inside, in cell membrane; Trickle of fibrous raw material all can obtain medicament and fully reaction; Lignin and hemicellulose are not dissolved, and its a whole set of operation has also been saved the pulp washing step, and material or slurry all maintain in 15～40% high concentration states and move; Middle-stage wastewater contamination index is extremely low; Filtrate and middle-stage wastewater can pass through conventional deposition, filtration, air supporting, anaerobism, aerobic water treatment technology, reach environmental emission standard, but fully recovering pulping system required water; The slag of deviating from can be given regeneration through biomass gasification system, and water saving, energy-saving effect is remarkable.This mechanical pulp, chemi-mechanical pulp pulping system have been realized the high yield cooking purpose; Paper pulp yield all can reach 80～88%; The whiteness physical strength index of its chemi-mechanical pulp all reaches even has exceeded the technical indicator of leaf wood chemi-mechanical pulps such as poplar, sees also following table.Application technical scheme of the present invention has solved present pulping and papermaking industry high pollution, high energy consumption, technical barrier that paper making raw material is in short supply, for the cycling and reutilization of agricultural resource, sustainable development, the ecological environment of preserving our planet of slurrying industry have been opened up a technological approaches.

Description of drawings

The successive environmental protection machinery slurry pulping system of these non-woody crops and the system's composition diagram of chemi-mechanical pulp pulping system formed of Fig. 1 and Fig. 2

Fig. 3 is the general assembly structural representation of hammer silk dust removal machine

Fig. 4 is the transversary sketch map of Fig. 3

Fig. 5 squeezes the exterior structure figure that splits impregnator

Fig. 6 is the cut-away view that cuts open except that behind the anterior casing

Fig. 7 is that two rollers cooperates pie graph

Fig. 8 is the sectional structure chart that rolls the dish section

Fig. 9 is a general assembly structural map of storing reaction warehouse

Figure 10 is the structure chart of warehouse base

Figure 11 is the D structure figure that dials the material wheel

Figure 12 is its whole structure figure of high dense dip pan grinding machine

Figure 13 and Figure 14 are respectively the disk structure figure and the two mill matching charts of mill.

The specific embodiment

Shown in accompanying drawing; The basic composition of environmental protection machinery slurry pulping system of these non-woody crops and the chemi-mechanical pulp pulping system of non-woody crops is identical; Form by material operation traffic direction, its pulping system and to comprise that raw material cutting machine 1, a hammer silk dust removal machine 2, conveying equipment 3, dipping washer 4,5, drainage conveying equipment 7 and decatize conveying worm 8, I section are squeezed and split impregnator 9 and conveying equipment 10 thereof, I section and store reaction warehouse 11 and conveying equipment 12 thereof, II section and squeeze and split that impregnator 13 and conveying equipment 14 thereof, II section are stored reaction warehouse 15 and conveying equipment 16, high dense dip pan grinding machine 17 and conveying equipment 19 thereof, the III section is stored reaction warehouse 20 and conveying equipment 21 thereof; With the fiberizer 22 of back segment operation, latency chest 23, low dense fiberizer 25, reserve pit 26, screening clearing machine 28, slurry squeezing thickener 29, carry the finished product slurries through conveying equipment 30 again.Wherein decatize conveying worm 8, I section are stored reaction warehouse 11, the II section stores reaction warehouse 15 and III section storage reaction warehouse 20 is provided with the steam filling line; Drainage conveying equipment 7, slurry squeezing thickener 29 filtering water send wastewater treatment recycling system; The filtering water of slurry squeezing thickener 29 also can be sent into the multi roll sandstone metal collectors of dipping washer 4, replenishes its slurry.Described wastewater treatment recycling system is conventional deposition, filtration, air supporting, anaerobism, aerobic water treatment technology; Form by coarse rack, flotation tank, screen, preliminary sedimentation tank, the preparatory acidification pool of adjusting, IC anaerobic reactor, aerobic aeration tank and second pond, treated purify waste water can reuse supplementary copy pulping system in water; Foreign material, the drainage conveying equipment 7 that the broken thin waste material slag bits that sift out in the hammer silk dust removal process, dipping washer 4 soak discharge, squeeze and split that impregnator 9,13 is discharged organic substances and wastewater treatment utilizes waste residues such as precipitating sludge in the system, high concentration press filtration thickened sludge again; Send the living beings gasification comprehensively to utilize system again; Promptly mix through double roller mixer; Send into biomass fuel feed bin, biomass gasifying furnace system; Produce biological fuel gas and be stored in the gas tank, or the burning heat release is used or combustion power generation is used.Be to realize the chemi-mechanical pulp pulping process, feed dipping washer 4, I section and squeeze and split impregnator 9 and squeeze and split end, II section and squeeze and split impregnator 13 and squeeze and split end and high dense dip pan grinding machine 17 inputs place are provided with the soup filling line.

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

Hammer silk dust removal machine wherein can be to increase on the architecture basics of railroad duster, bipyramid dust removal machine, cyclopneumatic separator to beat mechanism and form, and can also select multi-functional minute bolting silk blanking dirt all-in-one for use.Formation such as Fig. 3 and shown in Figure 4 of this multi-functional minute bolting silk blanking dirt all-in-one: the some beaming rollers 30 that are supported with by horizontal parallel rotation 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, and the gasification of connection living beings comprehensively utilizes in the system again to be handled.Evenly be set with the pin thorn 34 of some quantity on beaming roller 30 surfaces, being evenly arranged between the pin thorn 34 is to be hinged on the hammer cutter 35 on the beaming roller 30, and 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, following sieve plate 36 have with beaming roller on the cambered surface that is provided with of pin thorn 34 and hammer cutter 35 maximal margin circular trace spacings, 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 dipping washer 4,5 can be selected drum-type rinsing machine, waterpower material washing machine for use, and dipping washer 4 and 5 is wherein selected multi roll sandstone metal collectors and waterpower impregnator respectively for use.

Described two sections crowded impregnators that split; Its structure such as Fig. 5 are to shown in Figure 8; 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 feed auger section A, A1 and the section of rolling A2; The section of rolling A2 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 groove depth 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 groove depth 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 8; 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, equally met soup by the material of extremely compression as compressed sponge and then absorb rapidly and be impregnated into fibrous inside in cell membrane, make fibrous raw material obtain the rapid osmotic action-reaction.

Store reaction warehouse for described three sections, its structure such as Fig. 9 and shown in Figure 10 are up-small and down-big storage slurry container.In this enforcement structure; It is to be fixedly connected or to weld through flange with warehouse 101 by upper shed base 102 to constitute, and charging aperture 108 is arranged at warehouse 101 tops, and the warehouse base is provided with discharge gate 115 on 102 bottom surfaces; Steam ascending pipe 112 feeds warehouse 101 buffer storage area positions; The buffer storage area position also is provided with manhole 119 and form 118, is convenient to observe slurry reactiveness in the warehouse, and warehouse 101 tops are provided with steam (vapor) outlet 109.Discharging channel 106 is communicated with discharge gate 115, is provided with load displacing screw in the discharging channel 106.The central line shaft of warehouse base 102 central authorities is provided with dials material wheel 104, and group material wheel 104 is driven by motor 114, decelerator 105, central line shaft and rotates, and discharge gate is arranged at dialling in the warehouse bottom surface district that is covered in the rotation of material cantilever of group material wheel 104.Described group of material wheel can be the multiple-blade wheel; Or the structure that evenly is provided with some groups of material blades on the multiple tracks concentric circles frame is constructed; Or the material wheel construction of dialling shown in figure 11: dial material wheel 104 and be by dialling the material cantilever and being fixed in some material-setting bodies 117 of dialling the material cantilever and constituting, the cross section of material-setting body 117 is that leg-of-mutton column type body is implemented structure, and the triangle cusped edge of this material-setting body 117 all is arranged on to be dialled the material wheel and meet dialling the material direction of rotation in rotating; The column type body is vertically fixed on to be dialled on the material cantilever; Material-setting body 117 is when rotating with group material cantilever, and the hypotenuse face of its corner post has improved promotion and dialled the efficient of expecting, the top and bottom of material-setting body 117 all are the angle, pinnacle; Can effectively the fiber bridging be dialled and leave, dial and loose, and from level to level, continuously push quiet storage slurry to discharge gate jointly with group material cantilever; Improve to dial dialling the material effect, increasing the active length of dialling the material cantilever of material cantilever, the outer cantilever 137 of dialling the material cantilever is bent angle α with relative interior cantilever 127, and this bent angle α should be greater than 90 ° and be not more than 180 ° of angular ranges.Material-setting body can also be the type body of other structure; Like the cross section is other deformed sections close with triangle; Like the face at semi circular surface, semiellipse face, half parabolic edge, trapezoidal shape face etc., narrow fin of these type bodies meets that the material direction of rotation is fixing to be dialled on the material cantilever to dialling.Be positioned at charging aperture 108 belows, rotate and to be assemblied in warehouse 101 center of top and to be provided with dispersal of feed dish 111.The upper surface of this dispersal of feed dish 111 is provided with taper surface.Dispersal of feed dish 111 rotation in the input slurry falls, and can dispersed paste, slurry is uniformly distributed in the warehouse 101; Feed steam, provide to steam and float heating-up temperature, after the stop reaction of a period of time; Dial material wheel 104 and be driven in rotation, slurry is discharged warehouse continuously.

Shown in figure 12; The structure structure of the dense dip pan grinding machine 17 of described height is: the casing formation comprises feeding-passage 208, mill chamber 203 and main shaft bearing support 202; Fixed millstone 214 is fixed on the one side cover 213 of mill chamber, and feeding-passage 208 feeds mill chamber 203 by the pit of the stomach in the fixed millstone 214, is provided with feed auger 211 by bearing 212 supports in the feeding-passage 208; Main shaft 206 horizontally rotates support setting by bearing support 202; Feed auger 211 and main shaft 206 coaxial lines, rotating disk 216 are fixedly mounted on main shaft 206 and penetrate 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, make two mills be mill and separate cooperation.Shown in figure 14; High mill is separated the fixed millstone 214 and movable grinding disc 215 that the type mill comprises relative engagement; On the card of fixed millstone 214 and movable grinding disc 215 from the inside to the outside correspondence be provided with sub-material mill district L, dispersion mill district M and fine grinding district N, sub-material mill district L and fine grinding district N can be hook radial pattern roll flute districts as shown in the figure, also can be the roll flute districts of the parallel distribution in oblique angle; Sub-material mill district L roll flute distribution density is less than fine grinding district N, and the sub-material of two mills mill district L and fine grinding district N are the plane clearance mill and separate cooperation.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; As shown in the figure; 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 tooth, and promptly groove width of rebate and ring gear width are slow convergent trend from the inside to the outside.In order to realize that material grinds the dipping of realizing required soup when separating, 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, by the material-distributing action of locking wing wheel 217; The material of dipping mixing is brought into the mill district of two mills; 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, final qualified slurry is discharged by the bottom discharge gate in fibrillating is handled.

By the pulping process that the environmental protection machinery slurry pulping system of above-mentioned non-woody crops is accomplished, concrete implementation method is:

Embodiment 1

With the straw is raw material system machinery natural color pulp

Raw material passes through rotor formula chaffcutter 1 chaffcutter and gets in the hammer silk dust removal machine 2, and the waste material slag bits that filter out are delivered to the gasification of waste residue living beings by the collection conveying equipment and comprehensively utilized system again, and raw material is sent in the multi roll sandstone metal collectors as dipping washer 4 through conveying equipment 3 again; Through the effect that multiple roll is dialled tablet and current, raw material washs 75 ℃ of water temperatures through pre-wash; 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, material is flow in the waterpower preimpregnation machine as dipping washer 5 by the effect of current certainly; Through the effect of quick runner, raw material is by acutely being rolled up and down, is attached to the earth, sand etc. on raw material surface fine impurities is separated to come; Then raw material and washings are delivered in the drainage conveying equipment 7 by feedstock pump, and raw material is upwards carried by the bottom and leaned on the gravity effect, 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 the I section through decatize conveying worm 8 and is squeezed and split in the impregnator 9; 100 ℃ of steam temperatures, through extruding and tearing effect in the machine, raw material is become the filamentary fibers bundle by a minute silk; And high temperature and steam in the extruding and tearing process, have been produced; Fiber has obtained softening fully, slurry concentration 35% in the adjustment machine, 80 ℃ of temperature.Send into the I section through conveying equipment 10 then and store reaction warehouse 11, the steam that time of staying 30min, pulp fiber feed at the bottom of by the storehouse is further softening, 80 ℃ of temperature; Concentration 30% is sent into the II section through conveying equipment 12 then and is squeezed and to split in the impregnator 13, and slurry has passed through extruding and tearing again and rubbed the mill effect with the hands, pulp fiber by further refinement with softening; Slurry concentration 35% in the adjustment machine, 80 ℃ of temperature are sent into the II section through conveying equipment 14 then and are stored reaction warehouse 15,80 ℃ of temperature; Concentration 30%, time of staying 30min is after after a while; The high dense dip pan grinding machine that pulp fiber is sent into two series connection through conveying equipment 16 is pulled an oar, and beating consistency 25% screens through pressurized screen behind the pulping; Good slurry is admitted to belt filter press, through filter-press dehydration, obtains the wet shape commodity true qualities paper pulp of concentration 25-30%.Slag slurry in the pressure screening process is sent into defibrination system reslurry again.

Through the waste liquid that belt filter press is deviate from, send into wastewater treatment utilize in the system again filter, precipitate, the processing of flocculation, air supporting, anaerobism, process equipment such as aerobic, the water after the processing is back in the pulping system.

The organic substance that foreign material of discharging when broken thin waste material slag bits that in chaffcutter, hammer silk dust removal process, sift out and wet method preimpregnation and the crowded pulp fiber inside of splitting the impregnator discharge are extruded; And the sediment in the water treatment procedure; Waste residues such as high concentration press filtration mud; Send into the living beings gasification after the abundant mixing through double roller mixer and comprehensively utilize system again, produce biological fuel gas thus, be back in the system equipment through fuel gas generation unit generation electric energy and use.

Embodiment 2:

With wheat straw or straw is raw material system bleached pulp

Raw material passes through rotor formula chaffcutter 1 chaffcutter, gets into then in the hammer silk dust removal machine 2, and the waste material slag bits that filter out are delivered to the living beings gasification by the collection conveying equipment and comprehensively utilized system again; Raw material is sent in the multi roll sandstone metal collectors as dipping washer 4 through conveying equipment 3 again, and through the effect that multiple roll is dialled tablet and current, raw material is through pre-wash; Add the preimpregnation medicament in the washings, this preimpregnation kit contains JFC0.05%, neopelex 0.05% and NaOH 0.3%, liquor ratio 1: 20; 75 ℃ of washing water temperatures are quickened infiltration, the swollen raw fiber; And 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 waterpower preimpregnation machine as dipping washer 5 by the effect of current certainly; Through the effect of quick runner, raw material is by acutely being rolled up and down, is attached to the earth, sand etc. on raw material surface fine impurities is separated to come; Then raw material and washings are delivered in the drainage conveying equipment 7 by feedstock pump; 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 the I section through decatize conveying worm 8 and squeezed and split in the impregnator 9; Steam temperature 100; Rub the effect of mill and dipping soup with the hands through squeezing the extruding and tearing split impregnator, raw material changes coarse fiber bundle into, and begin to soften, oxidation, decolouring.Wherein I section dipping kit contains DTPA 0.5%, calcium hydroxide 3%, SODIUM PERCARBONATE 1%, sodium metasilicate 2%, magnesium sulfate 0.5% and neopelex 0.1%, dipping sizing agent concentration 28% in the machine, 88 ℃ of temperature.

The I section is squeezed the slurry split behind the dipping and is sent into the I section through conveying equipment 10 spirals and store reaction warehouse 11; 85 ℃ of reaction temperatures, reaction density 25%, reaction time 30min; Conveying equipment 12 is sent into the II section and is squeezed and to split in the impregnator 13 then; Slurry has passed through the maceration of extruding and tearing effect and soup again, and pulp fiber is by further refinement and bleaching, and wherein II section dipping kit contains DTPA0.5%, NaOH 2%, sodium metasilicate 4%, magnesium sulfate 0.5%, neopelex 0.1% and hydrogen peroxide 4%; Dipping concentration 28%, 88 ℃ of temperature.Send into the II section through conveying equipment 14 then and store reaction warehouse 15,85 ℃ of reaction temperatures, reaction density 25%, reaction time 60min.Sent in the high dense dip pan grinding machine 17 of III section by conveying equipment 16 then, carry out fibrillating and brighten impregnation process, the bleaching soup that slurry is sent into medicine system at the charging aperture place is mixed by spiral agitator; Through the effect of the dense dipping mill of height and the high-temperature steam of generation, pulp fiber is wherein brightened kit and contains sodium metasilicate 2%, magnesium sulfate 0.5% and hydrogen peroxide 2% by further refinement, softening and brighten processing with the stable slurry whiteness; Send into by conveyor screw then and store reaction pulp bin 20; 90 ℃ of reaction temperatures, reaction density 22%, reaction time 60min; After reaction, the whole oxidized decolouring bleachings of chromophoric group in the pulp fiber.Send into 22 2 of senior middle school's concentration fiberizers series connection making beating through conveying equipment 21 then, beating consistency 22%, the gravity flow of mill disposed slurry falls into latency chest 23 and disappears to dive and handle; Deliver to pressurized screen through stock pump again and screen, good slurry is admitted to belt filter press, through filter-press dehydration; Obtain whiteness 75%ISO; The concentration 25-30% shape market pulp that wets also can be sent into the online of sizing mixing of paper machine system and copy paper, and the slag slurry in the pressure screening process is sent into defibrination system reslurry again.

The waste liquid of deviating from through belt filter press; 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; Remaining most middle-stage wastewater send into wastewater treatment utilize in the system again filter, precipitate, the processing of flocculation, air supporting, anaerobism, process equipment such as aerobic, the water after the processing is back in the pulping system.

The broken thin waste material slag bits that in chaffcutter, branch bolting silk blanking dirt process, sift out; Foreign material of discharging during the wet method preimpregnation and the crowded pulp fiber inside of splitting the impregnator discharge are by the organic substance of extracting; And the sediment in the water treatment procedure, waste residues such as high concentration press filtration mud are sent into biomass gasification system after the abundant mixing through double roller mixer; Produce biological fuel gas thus, be back in the system equipment through fuel gas generation unit generation electric energy and use.

Claims

1. a non-woody crops environmental protection machinery is starched pulping system; It is characterized in that forming by material operation traffic direction, system comprise raw material cutting machine (1), a hammer silk dust removal machine (2), conveying equipment (3), dipping washer (4,5), drainage carries and decatize conveying worm (7,8), I section are squeezed and split impregnator (9) and conveying equipment (10) thereof, I section and store reaction warehouse (11) and conveying equipment (12) thereof, II section and squeeze and split that impregnator (13) and conveying equipment (14) thereof, II section are stored reaction warehouse (15) and conveying equipment (16), high dense dip pan grinding machine (17) and conveying equipment (18) thereof, the III section is stored reaction warehouse (20) and conveying equipment (21) thereof; Purify concentrator with fiberizer (22), the screening of back segment operation, wherein decatize conveying worm, I section are stored reaction warehouse, the II section stores reaction warehouse and III section storage reaction warehouse is provided with the steam filling line.

2. starch pulping system according to the non-woody crops environmental protection machinery of claim 1; The casing that it is characterized in that high dense dip pan grinding machine has feeding-passage (208), mill chamber (203) and main shaft bearing support (202); Fixed millstone (214) is fixed on the cover; Feeding-passage feeds the mill chamber by the pit of the stomach in the fixed millstone; Main shaft is provided with by bearing support rotational support, and movable grinding disc (215) is fixed in the indoor axle head of mill of main shaft, on the card of fixed millstone and movable grinding disc from the inside to the outside correspondence be provided with the sub-material mill and distinguish (L), dispersion mill district (M) and fine grinding district (N); 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.

3. starch pulping system according to the non-woody crops environmental protection machinery of claim 1; It is characterized in that storage reaction warehouse wherein, charging aperture is arranged at the warehouse top, and the warehouse bottom surface is provided with discharge gate; Be provided with load displacing screw in the discharging channel that discharge gate is communicated with; The central line shaft of bottom is provided with and dials material wheel (104) in the warehouse, and group material wheel is to constitute by dialling the material cantilever and being fixed in some material-setting bodies (117) of dialling the material cantilever, and material-setting body is that the cross section is leg-of-mutton type body; The cusped edge of this material-setting body is met and is arranged on to, discharge gate and dials the material wheel and rotate the warehouse bottom surface that covers and dial place, material district dialling the material rotation.

4. the chemi-mechanical pulp pulping system that is made up of the non-woody crops environmental protection machinery slurry pulping system of claim 1 is characterized in that feeding dipping washer (4), I section and squeezes and split impregnator (9) and squeeze and split end, II section and squeeze and split impregnator (13) and squeeze and split terminal and high dense dip pan grinding machine (17) input place is provided with the soup filling line.

5. according to the non-woody crops environment protection chemical mechanical pulp pulping system of claim 4; The casing that it is characterized in that high dense dip pan grinding machine has feeding-passage (208), mill chamber (203) and main shaft bearing support (202); Fixed millstone (214) is fixed on the cover; Feeding-passage feeds the mill chamber by the pit of the stomach in the fixed millstone; Main shaft is provided with by bearing support rotational support, and movable grinding disc (215) is fixed in the indoor axle head of mill of main shaft, on the card of fixed millstone and movable grinding disc from the inside to the outside correspondence be provided with the sub-material mill and distinguish (L), dispersion mill district (M) and fine grinding district (N); 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.

6. according to the non-woody crops environment protection chemical mechanical pulp pulping system of claim 1; It is characterized in that storage reaction warehouse wherein, charging aperture is arranged at the warehouse top, and the warehouse bottom surface is provided with discharge gate; Be provided with load displacing screw in the discharging channel that discharge gate is communicated with; The central line shaft of bottom is provided with and dials material wheel (104) in the warehouse, and group material wheel is to constitute by dialling the material cantilever and being fixed in some material-setting bodies (117) of dialling the material cantilever, and material-setting body is that the cross section is leg-of-mutton type body; The cusped edge of this material-setting body is met and is arranged on to, discharge gate and dials the material wheel and rotate the warehouse bottom surface that covers and dial place, material district dialling the material rotation.