CN100410445C - Dry feed preparation method for grass material - Google Patents
Dry feed preparation method for grass material Download PDFInfo
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- CN100410445C CN100410445C CNB2007101475652A CN200710147565A CN100410445C CN 100410445 C CN100410445 C CN 100410445C CN B2007101475652 A CNB2007101475652 A CN B2007101475652A CN 200710147565 A CN200710147565 A CN 200710147565A CN 100410445 C CN100410445 C CN 100410445C
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Abstract
The invention supplies grass series material dry process stocking method. It includes the following steps: using hammer crusher to process the grass series material; dust collecting; sieving. The invention inducts manner crusher in dry process stock to match the process, which can shorten steam boiling time, liquor dosage, greatly increase slurry quality and yield.
Description
Technical field
The present invention relates to the system that gets the raw materials ready of paper industry, specifically, what the present invention relates to is the dry raw material preparation system of grass raw material.
Background technology
The grass kind plant raw pulp, mainly utilize the more bar portion of cellulose, other is as containing the thin-walled heteroproteose cell that in a large number pulping and paper-making is not had what use value in leaf, joint, fringe and the sheath, it is high to cause chemicals to consume in the slurrying production process, and the refuse amount is big, slurry washing is difficult, degree of bleaching is low and the problem of easy brightness reversion.In addition, impurity such as the silt that is mingled with in the dogstail raw material, dust also can cause difficulty and paper quality is brought many bad influences to pulping and paper-making.Therefore, the link of getting the raw materials ready in the grass kind plant slurrying is most important.
The method of getting the raw materials ready can be divided into dry method, wet method, synthesis etc. by getting the raw materials ready of processing method grass raw material.Dry raw material preparation is meant that raw material (promptly storing moisture) under certain moisture carries out various necessary processing, to satisfy the requirement of pulping and paper-making production process and product quality.This method extensively adopts at home because flow process is simple, equipment is few, and is easy to operate, and energy consumption is low, and technology maturation.But the dry raw material preparation clean-up effect is poor.Getting the raw materials ready so long as the grass kind plant raw material is cut into the blade of certain-length (15-30mm) of dogstail purifies through screening and removes impurity such as root, leaf, fringe, grain, dust.
Mention in " pulping process and equipment " book 85-93 page or leaf of publishing Kuang Shoumin chief editor's in October, 2000, the process of rice wheat straw plant material dry raw material preparation generally comprises following step: (1) is delivered to the rice wheat straw raw material and carries out chaffcutter in the chaffcutter; (2) the blade wind that cuts is sent or conveyer belt is delivered to the screening cleaner, remove heavy seeds such as heavier sandstone and grain; (3) be delivered to and carry out boiling in the boiling vessel.And, adopt following steps for the getting the raw materials ready of raw materials such as reed, awns bar more, (1) is delivered to raw materials such as reed, awns bar to cut through conveyer belt and is cut off in the reed machine; (2) raw material that cuts is delivered to carried out dedusting in the cyclone dust removal machine; (3) raw material that will separate from cyclone separator is sent into screening machine and is screened; (4) raw material that has screened is delivered to and carries out boiling in the boiling vessel.
This shows, have the following disadvantages in the method for getting the raw materials ready of above-mentioned prior art: (1) through after the dry raw material preparation, delivers to the inside that grass material cooking liquid in the boiling vessel is not easy to infiltrate into the dogstail raw material, can cause the inhomogeneous of boiling; (2) this method of getting the raw materials ready has just been isolated sandstone, grain etc. than lighter impurity such as heavy seeds and smalls dust, can not well remove for the impurity such as wheat bran of steaming preparation that can consume in the digestion process in the raw material, therefore caused the consumption of cooking liquor in the follow-up digestion process, prolong the time of boiling, increased the production cost of enterprise.
Summary of the invention
The object of the present invention is to provide a kind of dry raw material preparation system of grass raw material.
To achieve these goals, the technical solution used in the present invention is:
A kind of dry raw material preparation method of grass raw material may further comprise the steps:
(1) the grass raw material is cut off rubbing under the effect of frictional force, impulsive force and grinding pressure and handle, obtain cutting off the raw material after the rubbing;
(2) raw material that will cut off after crumpling carries out dust removal process;
(3) will carry out Screening Treatment through the raw material of dust removal process.
Described step (1) is: with the grass raw material cut off crumple to length be 20-80mm.
Grass raw material described in the present invention cuts off in the process that rubbing handles, and the tubular of grass raw material is processed as sheet or strip.
Be distributed with slight crack on the described grass raw material that is processed as sheet or strip.
Described grass raw material cuts off the process of rubbing processing to carry out in hammer mill; Described hammer mill is preferably the hammer mill that ore dressing in the prior art or bark are pulverized usefulness.
The rotating speed of described hammer mill is 500-800rpm, and the rate of feeding when the grass raw material enters hammer mill is 0.5-1.0m/s.
Carry out dust removal machine that dust removal process adopted among the present invention and can comprise roll-type dust removal machine and cyclone dust removal machine for the used dust removal machine of getting the raw materials ready of grass raw material in the prior art; When carrying out dust removal process employing cyclone dust collectors, air quantity is 30000-38000m
3/ h, blast 200-230mm water column.
Described Screening Treatment is carried out in drum sieve, at drum sieve rotating speed 18-23r/min, the inclination angle is to carry out under 6-12 ° the condition, and the nexine sieve plate sieve aperture of drum sieve is that diameter is the circular hole of 30mm or the square hole of 30 * 30mm, and outer sieve plate sieve aperture is the circular hole of diameter 4-6mm.
Described Screening Treatment is carried out in drum sieve, comprises twice screening, and screening the drum sieve rotating speed for the first time is 18-20r/min, and the inclination angle is 10-12 °; The rotating speed of programmed screening drum sieve is 20-23r/min, and the inclination angle is 8-10 °; The nexine sieve plate sieve aperture of drum sieve is that diameter is the circular hole of 30mm or the square hole of 30 * 30mm, and outer sieve plate sieve aperture is the circular hole of diameter 4-6mm.
Grass raw material described in the present invention comprises wheat straw, straw, cotton stalk, reed and light leaf paper mulberry.
Described method also is included in step (1) and carries out pretreated process before.Described preliminary treatment is meant root, leaf, fringe, the processing partly of going rotten of removing in the forage as far as possible.Moisture is lower than 20% in the grass raw material among the present invention.
Specifically, dry raw material preparation method of the present invention comprises the steps:
(1) grass prepared using hammer mill is cut off rubbing and handle, obtain cutting off the raw material after the rubbing;
The grass raw material is delivered in the hammer mill by belt conveyor or other conveyer in this step, and described hammer mill comprises transportation section, fragmentation and rubbing section and breaks up and discharge section.The grass raw material at first enters the transportation section of hammer mill, this section mainly plays a part to carry, enter fragmentation and rubbing section again, the grass raw material effect of power and percussion power that is squeezed in this section, length is that the grass raw material of 300-800mm is hammered into shape disconnected when entering hammer mill, therefore this hammer mill has at first played the effect of chaffcutter, for boiling dress pot is afterwards got ready; Simultaneously, in this fragmentation and rubbing section, the effect of being squeezed of grass raw material, cross section makes the straw core segment separate with stalk for circular grass raw material is crushed, and separation rate is 70-90%.Discharge section from the grass raw material that hammer mill rubbing section is come through breaing up, in this section, the grass raw material that presses together is broken up, after boiling in, the dogstail raw material of being broken up is compared with the dogstail raw material that presses together, because the contact-making surface of itself and cooking liquor is big, therefore infiltrate into the inside of grass raw material easily, last grass raw material is discharged from the outlet of hammer mill.The 20-80mm of the grass raw material of being discharged.
Hammer mill among the present invention is the beater grinder that ore dressing or bark are pulverized usefulness in the prior art.The rotating speed of described hammer mill is 500-800rpm, the speed that the grass raw material enters hammer mill is 0.5-1.0m/s, the too big or slow excessively words of charging of rotating speed, the extruding force that causes the grass raw material to be subjected in beater grinder easily is excessive and stop up, thereby cause the damage of grass raw fiber, and the wearing and tearing of equipment are also strengthened, and rotating speed is crossed words low or that charging is too fast, can cause some grass raw materials not crumpled fully, the infiltration of cooking liquor after the influence, and then influence pulp quality.
Grass raw material skin has one deck wax, and there is one deck marrow its bar inside, and in the general method of getting the raw materials ready, when skin was flooded by cooking liquor, wax can be removed soon, but because the internal layer of its bar has air, so cooking liquor is difficult to enter.And after among the present invention standing grain dish class prepared using hammer mill being cut off and crumple, just overcome above-mentioned defective of the prior art.Grass raw material described in the present invention cuts off in the process of rubbing processing, the tubular of grass raw material is processed as sheet or strip, the cylindrical shape that is meant grass raw material hollow is crushed under the effect of frictional force, impulsive force and grinding pressure, because raw material is inequality in the stressed size of all angles, so in the crackled existence in stressed big position, grass fiber raw material slabbing; At the position that has even be broken into strip.
(2) raw material that will cut off after the fragmentation carries out dust removal process;
Carry out dust removal process through the raw material after the cut-out fragmentation, this is that through dust removal process, above-mentioned impurity major part is removed owing to contain impurity such as dust, sandstone, blade of grass, careless fringe in the blade after cutting off, so in the digestion process after getting the raw materials ready, the chemicals consumption in the time of can reducing boiling.Simultaneously, owing to cut off the effect that broken grass raw material is crumpled by hammer mill, make that cooking liquor is easier in the process of boiling to infiltrate into grass raw material inside, so the time of boiling also can shorten accordingly.
Carrying out dust removal machine that dust removal process adopted among the present invention can comprise roll-type dust removal machine, double cone dust removal machine and cyclone dust removal machine for the used dust removal machine of getting the raw materials ready of grass raw material in the prior art, and preferred described dust removal machine is the cyclone dust removal machine.Air quantity is 30000-38000m when carrying out dust removal process in cyclone dust collectors
3/ h, blast 210mmHgO.Because grass raw fiber chemical composition is pentosan content height, generally all about 20%, NaOH extract content height, lignin content is all lower, but content of ashes than higher, so dust removal process seems particularly important.Dust removal process can adopt in the prior art dedusting method in the grass raw material dry raw material preparation.When carrying out dust removal process with cyclone dust collectors, air quantity is 30000-38000m
3/ h, blast 200-230mm water column, under such condition, can guarantee to remove in a large number dust contained in the dogstail raw material, alleviate the burden of follow-up boiling, simultaneously, the dogstail raw material is owing to be cut off flattening in hammer mill, blade is low weight, air quantity and blast are excessive to make needed blade be discharged by cyclone dust collectors with dust easily, makes consumption of raw materials big, and cost increases.(3) will carry out Screening Treatment through the raw material of dust removal process.
The grass raw material often has foreign material such as thick blade and broken end through after the dust removal process, and in digestion process, these foreign material have is difficult for being permeated by cooking liquor, thus generation steaming separate thing; Though react with cooking liquor at the broken end that has, but black liquor viscosity is increased, influence the circulation of cooking liquor, cause half steaming, cause operating difficulties, influence the amount of black liquor extraction and the wash degree of slurry, so this step of Screening Treatment is a crucial step in the grass raw material dry raw material preparation.
Drum sieve of the present invention is the drum sieve that is used for grass raw material dry raw material preparation in the prior art.The rotating speed of described drum sieve is 18-23r/min, the inclination angle is 6-12 °, drum sieve of the present invention is a double-layer cylinder screen, the nexine sieve plate sieve aperture 30 * 30mm of drum sieve, the diameter 4-6mm of outer sieve plate sieve aperture, in the process of this Screening Treatment, big blade and other tiny impurity such as silt, dust etc. are screened to come out, and paper pulp is clean after having guaranteed.Under the many situation of contained dust or other impurity and big blade, can carry out twice screening in raw material, promptly for the first time screening the drum sieve rotating speed is 18-20r/min, and the inclination angle is 10-12 °; The rotating speed of programmed screening drum sieve is 20-23r/min, and the inclination angle is 8-10 °.Described drum sieve is with once to screen selected drum sieve identical.
The impurity such as dust of from roll-type deduster or cyclone dust collectors, discharging among the present invention, and the fine impurities of sifting out in screening process such as dust, earth etc. are not directly to come in the atmosphere, handle but these impurity wind are delivered to the fluid bed deduster.Described sulfuration bed deduster is the deduster that is used for reed end dust removal process in the prior art, described fluid bed deduster body, be the hollow baton round of 50-60mm and form the dust absorber by three layers of diameter with top-down shower water, the plastics sphere has the thin water layer of one deck, the gas that has impurity is delivered to fluid bed deduster body baton round surface by blower fan and has been adsorbed dust in a large number, after the enough travel fatigue of baton round surface absorption, form water droplet and drip, reach the purpose of clean air.The carrying out of this step improved the operating environment of preparation room greatly.
The invention has the beneficial effects as follows: in the middle of dry raw material preparation method of the present invention is got the raw materials ready the hammer mill introducing, make the dogstail raw material in hammer mill, be cut off, and the stalk of dogstail raw material is crushed, therefore after digestion process in cooking liquor be easy to infiltrate into raw material inside, so digestion time shortening.Because this method cooperates deduster to carry out dedusting again and drum sieve screens, after process the method is got the raw materials ready and is handled, the edulcoration rate of dogstail raw material reaches more than 90%, and general method to carry out the edulcoration rate of dry raw material preparation be 80%, so not only reduced the dust that can reduce in the slurry, made that prepared slurry is clean, the yield height, yield improves 1-3% than general method, reduces 0.5-2% with method production cost of the present invention.
The specific embodiment
Embodiment 1
Wheat straw raw material is removed leaf, the fringe in the forage, the part of going rotten, length is the 300-500mm wheat straw raw material, and to be 0.8m/s with the rate of feeding by belt conveyor enter from the inlet of hammer mill, the rotating speed of described hammer mill is 500rpm, through after cutting off the rubbing processing, length was that the wheat straw raw material of 20-40mm is discharged from the outlet of hammer mill when raw material entered hammer mill.Described hammer mill is the hammer mill of ore dressing or bark in the prior art.The wheat straw raw material of discharging from hammer mill enters in the cyclone dust removal machine, is 30000m at air quantity
3/ h, blast carry out dust removal process under the condition of 200mm water column.The wheat straw raw material that comes out from dust removal machine enters in the drum sieve and screens, drum sieve rotating speed 19r/min during screening, and the inclination angle is 8 °.Described drum sieve is the double-layer cylinder screen that plays the screening effect in the prior art in the getting the raw materials ready in making grass pulp.At last, the wheat straw raw material that comes out from the discharging opening of drum sieve enters and carries out boiling in the boiling vessel.The method edulcoration rate of getting the raw materials ready of the present invention reaches 90%.
Embodiment 2
Straw raw material is removed leaf, the fringe in the forage, the part of going rotten, length is the 500-800mm straw raw material, and to be 0.6m/s with the rate of feeding by belt conveyor enter from the inlet of hammer mill, the rotating speed of described hammer mill is 600rpm, after process when raw material enters hammer mill was cut off the rubbing processing, length was that the straw raw material of 30-50mm is discharged from the outlet of hammer mill.Described hammer mill is the hammer mill that ore dressing or bark are used in the prior art.The straw raw material of discharging from hammer mill enters in the cyclone dust removal machine, is 35000m at air quantity
3/ h, blast carry out dust removal process under the condition of 220mm water column.The straw raw material that comes out from dust removal machine enters in the drum sieve and screens, drum sieve rotating speed 20r/min during screening, and the inclination angle is 10 °.Described drum sieve is the double-layer cylinder screen that plays the screening effect in the prior art in the getting the raw materials ready in making grass pulp.The square sieve aperture 30 * 30mm of the nexine sieve plate of drum sieve, the diameter 4-6mm of outer sieve plate sieve aperture.At last, the straw raw material that comes out from the discharging opening of drum sieve enters and carries out boiling in the boiling vessel.Adopt this method to carry out the dry raw material preparation edulcoration rate and reach 92%.
Embodiment 3
Be the cotton stalk raw material of 400-700mm being 0.5m/s with the rate of feeding by belt conveyor with length enters from the inlet of hammer mill, the rotating speed of described hammer mill is 700rpm, after process when raw material enters hammer mill was cut off and crumpled and handles, length was that the cotton stalk raw material of 25-35mm is discharged from the outlet of hammer mill.Described hammer mill is the hammer mill that bark is pulverized usefulness in the prior art.The cotton stalk raw material of discharging from hammer mill enters in the cyclone dust removal machine, is 32000m at air quantity
3/ h, blast carry out dust removal process under the condition of 210mm water column.The cotton stalk raw material that comes out from dust removal machine enters in the drum sieve and screens, drum sieve rotating speed 23r/min during screening, and the inclination angle is 12 °.Described drum sieve is the double-layer cylinder screen that plays the screening effect in the prior art in the getting the raw materials ready in making grass pulp.The nexine sieve plate sieve diameter of drum sieve is 30mm, and the diameter 4-6mm of outer sieve plate sieve aperture is last, and the cotton stalk raw material that comes out from the discharging opening of drum sieve enters and carries out boiling in the boiling vessel.Adopt the method to carry out the dry raw material preparation edulcoration rate and reach 91.5%.
Embodiment 4
Be 600-800mm reed raw material being 0.9m/s with the rate of feeding by belt conveyor with length enters from the inlet of hammer mill, the rotating speed of described hammer mill is 800rpm, after process when raw material enters hammer mill was cut off the rubbing processing, length was that the reed raw material of 35-50mm is discharged from the outlet of hammer mill.Described hammer mill is the hammer mill that ore dressing is used in the prior art.The reed raw material of discharging from hammer mill enters in the cyclone dust removal machine, is 38000m at air quantity
3/ h, blast carry out dust removal process under the condition of 230mm water column.The reed raw material that comes out from dust removal machine enters in the drum sieve and screens, drum sieve rotating speed 21r/min during screening, and the inclination angle is 11 °.Described drum sieve is the double-layer cylinder screen that plays the screening effect in the prior art in the getting the raw materials ready in making grass pulp.The nexine sieve plate sieve aperture 30 * 30mm of drum sieve, the diameter 4-6mm of outer sieve plate sieve aperture.At last, the reed raw material that comes out from the discharging opening of drum sieve enters and carries out boiling in the boiling vessel.
Embodiment 5
Be 300-450mm light leaf paper mulberry raw material being 0.7m/s with the rate of feeding by belt conveyor with length enters from the inlet of hammer mill, the rotating speed of described hammer mill is 650rpm, after process cut-out when raw material enters hammer mill, rubbing were handled, length was that the light leaf paper mulberry raw material of 20-35mm is discharged from the outlet of hammer mill.Described hammer mill is the RAZORBACKTM hammer mill that Austrian RADER company produces.The light leaf paper mulberry raw material of discharging from hammer mill enters in the double cone dust removal machine cyclone dust removal machine, is 36000m at air quantity
3/ h, blast carry out dust removal process under the condition of 220mm mercury column.The light leaf paper mulberry raw material that comes out from dust removal machine enters in the drum sieve and screens, drum sieve rotating speed 19r/min during screening, and the inclination angle is 11 °.Described drum sieve is the double-layer cylinder screen that plays the screening effect in the prior art in the getting the raw materials ready in making grass pulp.Drum sieve of the present invention is a double-layer cylinder screen, and the nexine sieve plate sieve diameter of drum sieve is 30mm, the diameter 4-6mm of outer sieve plate sieve aperture.At last, the light leaf paper mulberry raw material that comes out from the discharging opening of drum sieve enters and carries out boiling in the boiling vessel.Adopt the method to carry out the dry raw material preparation edulcoration rate and reach 90.5%.
Embodiment 6
Be the 500-800mm wheat straw raw material being 0.65m/s with the rate of feeding by belt conveyor with length enters from the inlet of hammer mill, the rotating speed of described hammer mill is 750rpm, after process when raw material enters hammer mill was cut off break process, length was that the wheat straw raw material of 50-80mm is discharged from the outlet of hammer mill.Described hammer mill is the hammer mill described in the patent WO2002092229.The wheat straw raw material of discharging from hammer mill enters in the cyclone dust removal machine, is 34000m at air quantity
3/ h, blast carry out dust removal process under the condition of 225mm water column.The wheat straw raw material that comes out from dust removal machine enters in the drum sieve and screens, and screening the drum sieve rotating speed for the first time is 18r/min, and the inclination angle is 10 °; The rotating speed of programmed screening drum sieve is 21r/min, and the inclination angle is 9 °.Described drum sieve is the double-layer cylinder screen that plays the screening effect in the prior art in the getting the raw materials ready in making grass pulp.Drum sieve of the present invention is a double-layer cylinder screen, and the nexine sieve plate sieve diameter of drum sieve is 30mm, the diameter 4-6mm of outer sieve plate sieve aperture.At last, the wheat straw raw material that comes out from the discharging opening of drum sieve enters and carries out boiling in the boiling vessel.Adopt the method to carry out the dry raw material preparation edulcoration rate and reach 93%.
Embodiment 7
Be the 300-500mm straw raw material being 0.5m/s with the rate of feeding by belt conveyor with length enters from the inlet of hammer mill, the rotating speed of described hammer mill is 720rpm, after process when raw material enters hammer mill was cut off the rubbing processing, length was that the straw raw material of 20-35mm is discharged from the outlet of hammer mill.Described hammer mill is the RAZORBACKTM hammer mill that Austrian RADER company produces.The straw raw material of discharging from hammer mill enters in the roll-type dust removal machine, and the sieve plate diameter of roll-type dust removal machine is 5-8mm, and rotating speed is to carry out dust removal process under the 300r/min condition.The straw raw material that comes out from dust removal machine enters in the drum sieve and screens, and screening the drum sieve rotating speed for the first time is 20r/min, and the inclination angle is 10 °; The rotating speed of programmed screening drum sieve is 22r/min, and the inclination angle is 9 °.Described drum sieve is the double-layer cylinder screen that plays the screening effect in the prior art in the getting the raw materials ready in making grass pulp.Drum sieve of the present invention is a double-layer cylinder screen, and the nexine sieve plate sieve aperture of drum sieve is the square hole of 30 * 30mm, the diameter 4-6mm of outer sieve plate sieve aperture.At last, the straw raw material that comes out from the discharging opening of drum sieve enters and carries out boiling in the boiling vessel.Adopt the method to carry out the dry raw material preparation edulcoration rate and reach 94%.
Embodiment 8
Be the 300-500mm wheat straw raw material being 1.0m/s with the rate of feeding by belt conveyor with length enters from the inlet of hammer mill, the rotating speed of described hammer mill is 720rpm, after process when raw material enters hammer mill was cut off the rubbing processing, length was that the straw raw material of 20-35mm is discharged from the outlet of hammer mill.Described hammer mill is the RAZORBACKTM hammer mill that Austrian RADER company produces.The wheat straw raw material of discharging from hammer mill enters in the cyclone dust removal machine, is 36500m at air quantity
3/ h, blast carry out dust removal process under the condition of 215mm water column.The wheat straw raw material that comes out from dust removal machine enters in the drum sieve and screens, and screening the drum sieve rotating speed for the first time is 19r/min, and the inclination angle is 12 °; The rotating speed of programmed screening drum sieve is 22r/min, and the inclination angle is 10 °.Described drum sieve is the double-layer cylinder screen that plays the screening effect in the prior art in the getting the raw materials ready in making grass pulp.Drum sieve of the present invention is a double-layer cylinder screen, and the nexine sieve plate sieve aperture of drum sieve is the square hole of 30 * 30mm, the diameter 4-6mm of outer sieve plate sieve aperture.At last, the wheat straw raw material that comes out from the discharging opening of drum sieve enters and carries out boiling in the boiling vessel.Adopt the method to carry out the dry raw material preparation edulcoration rate and reach 95%.
Claims (9)
1. the dry raw material preparation method of a grass raw material is characterized in that may further comprise the steps:
(1) the grass raw material is cut off rubbing under the effect of frictional force, impulsive force and grinding pressure and handle, obtain cutting off the raw material after the rubbing; With the grass raw material cut off crumple to length be 20-80mm; The rotating speed of described hammer mill is 500-800rpm, and the rate of feeding when the grass raw material enters hammer mill is 0.5-1.0m/s;
(2) raw material that will cut off after crumpling carries out dust removal process;
(3) will carry out Screening Treatment through the raw material of dust removal process.
2. method according to claim 1 is characterized in that described grass raw material cuts off in the process that rubbing handles, and the tubular of grass raw material is processed as sheet or strip.
3. method according to claim 2 is characterized in that being distributed with slight crack on the described grass raw material that is processed as sheet or strip.
4. method according to claim 1 and 2 is characterized in that described grass raw material cuts off the process of crumpling processing and carries out in hammer mill.
5. method according to claim 4 is characterized in that described hammer mill is the hammer mill that ore dressing or bark are pulverized usefulness in the prior art.
6. method according to claim 1 is characterized in that carrying out dust removal machine that dust removal process adopted and can comprise roll-type dust removal machine and cyclone dust removal machine for the used dust removal machine of getting the raw materials ready of grass raw material in the prior art; When carrying out dust removal process employing cyclone dust collectors, air quantity is 30000-38000m
3/ h, blast 200-230mm water column.
7. method according to claim 1, it is characterized in that described Screening Treatment carries out in drum sieve, at drum sieve rotating speed 18-23r/min, the inclination angle is to carry out under 6-12 ° the condition, the nexine sieve plate sieve aperture of drum sieve is that diameter is the circular hole of 30mm or the square hole of 30 * 30mm, and outer sieve plate sieve aperture is the circular hole of diameter 4-6mm.
8. method according to claim 1 is characterized in that described Screening Treatment carries out in drum sieve, comprise twice screening, and screening the drum sieve rotating speed for the first time is 18-20r/min, and the inclination angle is 10-12 °; The rotating speed of programmed screening drum sieve is 20-23r/min, and the inclination angle is 8-10 °, and the nexine sieve plate sieve aperture of drum sieve is that diameter is the circular hole of 30mm or the square hole of 30 * 30mm, and outer sieve plate sieve aperture is the circular hole of diameter 4-6mm.
9. method according to claim 1 is characterized in that described grass raw material comprises wheat straw, straw, cotton stalk, reed and light leaf paper mulberry.
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| CNB2007101475652A CN100410445C (en) | 2007-08-27 | 2007-08-27 | Dry feed preparation method for grass material |
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| CNB2007101475652A CN100410445C (en) | 2007-08-27 | 2007-08-27 | Dry feed preparation method for grass material |
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| CN100410445C true CN100410445C (en) | 2008-08-13 |
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| CN107460755A (en) * | 2017-09-05 | 2017-12-12 | 临颍路得生物科技有限公司 | Grass raw material dry dust removal equipment and the stock method using the cleaner |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87211194U (en) * | 1987-07-30 | 1988-05-11 | 赣南有色矿山机械厂 | Bamboo crusher |
| CN2034870U (en) * | 1988-05-17 | 1989-03-29 | 吉林省梨树县曙光造纸厂 | Straw skin and pith separator |
| CN2122882U (en) * | 1992-04-09 | 1992-11-25 | 山东省诸城市人造板厂 | Cotton stalk shredder |
| CN2131891Y (en) * | 1992-03-20 | 1993-05-05 | 江西省赣南有色矿山机械厂 | Fabre tearing-slicing machine for paper-making |
| CN1076743A (en) * | 1992-03-22 | 1993-09-29 | 诸城市造纸厂 | Crack cotton stalk removing black bark and marrow core system news and papers for books and periodicals method with slurry |
| CN2334788Y (en) * | 1997-07-17 | 1999-08-25 | 吴和岭 | Wheat stem mill |
| CN2703023Y (en) * | 2004-04-28 | 2005-06-01 | 四川升泰科技开发有限公司 | Efficient energy-saving divider for dividing fibre into threadlike thing |
| CN2740649Y (en) * | 2004-07-02 | 2005-11-16 | 朱晓平 | Straw peeling and rubbing machine |
| CN1821485A (en) * | 2006-03-21 | 2006-08-23 | 潍坊扬帆机械有限公司 | Cotton stalk crusher |
| CN101109155A (en) * | 2006-07-18 | 2008-01-23 | 金荣孝 | Novel papermaking feed-preparing combined equipment system and technique |
-
2007
- 2007-08-27 CN CNB2007101475652A patent/CN100410445C/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87211194U (en) * | 1987-07-30 | 1988-05-11 | 赣南有色矿山机械厂 | Bamboo crusher |
| CN2034870U (en) * | 1988-05-17 | 1989-03-29 | 吉林省梨树县曙光造纸厂 | Straw skin and pith separator |
| CN2131891Y (en) * | 1992-03-20 | 1993-05-05 | 江西省赣南有色矿山机械厂 | Fabre tearing-slicing machine for paper-making |
| CN1076743A (en) * | 1992-03-22 | 1993-09-29 | 诸城市造纸厂 | Crack cotton stalk removing black bark and marrow core system news and papers for books and periodicals method with slurry |
| CN2122882U (en) * | 1992-04-09 | 1992-11-25 | 山东省诸城市人造板厂 | Cotton stalk shredder |
| CN2334788Y (en) * | 1997-07-17 | 1999-08-25 | 吴和岭 | Wheat stem mill |
| CN2703023Y (en) * | 2004-04-28 | 2005-06-01 | 四川升泰科技开发有限公司 | Efficient energy-saving divider for dividing fibre into threadlike thing |
| CN2740649Y (en) * | 2004-07-02 | 2005-11-16 | 朱晓平 | Straw peeling and rubbing machine |
| CN1821485A (en) * | 2006-03-21 | 2006-08-23 | 潍坊扬帆机械有限公司 | Cotton stalk crusher |
| CN101109155A (en) * | 2006-07-18 | 2008-01-23 | 金荣孝 | Novel papermaking feed-preparing combined equipment system and technique |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101100816A (en) | 2008-01-09 |
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