CN108589393A - A kind of grass environment-friendly pulping recovery process - Google Patents
A kind of grass environment-friendly pulping recovery process Download PDFInfo
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- CN108589393A CN108589393A CN201810465039.9A CN201810465039A CN108589393A CN 108589393 A CN108589393 A CN 108589393A CN 201810465039 A CN201810465039 A CN 201810465039A CN 108589393 A CN108589393 A CN 108589393A
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- machine
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- fiber
- enters
- slurry
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Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/02—Pretreatment of the raw materials by chemical or physical means
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/06—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods
- D21B1/061—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods using cutting devices
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/18—De-watering; Elimination of cooking or pulp-treating liquors from the pulp
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/20—Methods of refining
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
- D21D5/02—Straining or screening the pulp
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Abstract
The invention discloses a kind of grass environment-friendly pulping recovery process, bundled cornstalk is mainly subjected to first spacing segment, then it is cleaned using dust removal machine, cornstalk after removal of impurities carries out microwave treatment, the machinery of microwave treatment is decomposing machine, using microwave so that raw molecule friction generates thermal energy, stalk after cracking combs extension set separating lignin and fiber as conveyer belt enters, the fiber of separation enters high-density paste mill, treated that slurries can enter torrent separator for fiberizer, torrent separator is rubbed using the convection current of water and preferably handles fiber and lignin separation, finally it is separated by solid-liquid separation using squeezing dewatering machine, solid, that is, fiber of separation can be shipped for other industrial plants and be used.The present invention is without using chemistry and boiling, and means are more environmentally-friendly, and conversion ratio is more preferable, and the utilization rate higher of stalk a, technique can stimulate the development of other multiple fields.
Description
Technical field
The present invention relates to environmental protection to recycle, specifically a kind of grass environment-friendly pulping recovery process.
Background technology
China is large agricultural country, and staple crops have corn etc., is having a good harvest simultaneously, is bringing stalk and handle this problem.
In general, peasant cleans stalk after collecting, scene is burned, and this method is simple, easy to implement.But it burns and brings greatly
Problem of environmental pollution, smog, exhaust gas and the particle of generation, extremely affects air quality, harmful to the health of people,
Also have an impact to aviation etc..When environmental protection is increasingly taken seriously and pays close attention to, handling stalk how more environmentally-friendlyly becomes
One very crucial problem.
Invention content
Technical solution provided by the invention is in order to solve the above problem：A kind of grass environment-friendly pulping recovery process,
Include the following steps；
A. bundled cornstalk is first put into conveyer, is transported to brokenly in bundle machine and carries out brokenly bundle processing；
B. it breaks bundle machine to be torn using tooth shaft, bundled raw material be separated, material is fed from upper side, and bottom goes out
Material, works continuously；
C. the material after detaching enters chaffcutter, and material is cut into 2~10 centimeters or so of length；
D. the material come out from chaffcutter enters dust removal machine, and surface of material sludge and dust are detached, while also can
Remove the tiny material in part；
E. the material after dedusting enter sorting machine carry out material sorting, by material proportion it is different in the way of, in raw material
Leaf blown off using wind-force, leaf does animal feed processing；
F. pass through the stalk elected in assorting room and enter decomposing machine, decomposing machine utilizes microwave heating, raw molecule to rub
It wipes and generates thermal energy, temperature reaches 180 degree, keeps the temperature 10~50 minutes, then discharges, due to molecular friction, decomposing machine can make fiber
And lignin separation, the material of release, which fully enters, receives storehouse；
G. the separation of material come out from reception storehouse enters comb extension set, and comb extension set is using axis tooth material scattering, axis tooth appearance
Have sieve plate, the flesh in granular lignin and cornstalk can separate, 600 revs/min of comb extension set rotating speed, the lignin of separation and
Flesh makees feed, and fiber out enters high-density paste mill from equipment one end；
H. it combs the fiber branched away and enters high-density paste mill progress defibrination process, highly concentrated mill uses hydraulic feed, rotating speed
1400 revs/min, into slurry concentration 30~35%, carry out preliminary defibrination；
I. the slurry after defibrination enters torrent separator, and the principle of torrent current divider is the pressure friction using water, equipment
Pressure for sealing state, circulating pump is 2 megapascal, and flow is set according to production capacity, and slurry enters torrent current divider and adds water, material dense
Degree 4%, circulating pump extract material out from device bottom, then throw into the middle part of equipment and top, slurry pass through 10~120 minutes height
Pressure cycle friction, can be the sordid lignin of comb point and flesh preferably with fiber separation；
J. the material for passing through the processing of torrent separator is diluted with water into screening machine while slurry enters, material concentration
2%, flesh and lignin with fiber separation are removed by screening, are carried out dehydrating addition feed, water reuse；
K. the slurry screened carries out middle concentrated jordaning, concentration 4~8%, and 2 series connection of fiberizer reach the mark of papermaking needs
Standard, general beating degree are 28~32；
L. the slurry ground is carried out dehydrating, and is separated by solid-liquid separation using squeezing dewatering machine, the slurry taken off aqueous 60%,
It can transport for long-distance to paper mill, water progress reuse.
As an improvement, the material after the dust removal machine dust removal process utilizes magnetic force in material in by transmission process
Metallics remove, the material of removal of impurities is then transported to decomposing machine.
As an improvement, material is divided into three parts by dust removal machine, a part is the material for retaining clean, and a part is to be divided
From magazine and the tiny material that is partially separated out, tiny boring and separation the part come at separation it is miscellaneous
Will carries out organic fertilizer processing.
As an improvement, the torrent separator utilizes water pressure friction, the mode for generating friction is convection current, pair
Stream is the friction convection current on three convection current directions.
Technological merit provided by the invention is：This technique is that the substance other than the fiber in cornstalk is gradually divided
From, Boiler Steam is not used, chemical industry is not had to, it can be simple since isolate is entirely that solid state exists using environmentally friendly means
Separation, water can be with reuse.Thermal energy is generated using microwave molecular friction when cracking, such lignin can independent individual and fiber point
From solving the problem of that traditional approach lignin is dissolved in water and pollutes.Torrent segregation section is to generate friction using high-pressure hydraulic,
The lignin separation of fiber surface adhesion, does not destroy fiber.
Description of the drawings
Fig. 1 is a kind of flow chart of grass environment-friendly pulping recovery process of the present invention；
Specific implementation mode
Present invention will be described in further detail below with reference to the accompanying drawings.
Embodiment one
A kind of grass environment-friendly pulping recovery process, includes the following steps；
A. bundled cornstalk is first put into conveyer, is transported to brokenly in bundle machine and carries out brokenly bundle processing；
B. it breaks bundle machine to be torn using tooth shaft, bundled raw material be separated, material is fed from upper side, and bottom goes out
Material, works continuously；
C. the material after detaching enters chaffcutter, and material is cut into 2~10 centimeters or so of length；
D. the material come out from chaffcutter enters dust removal machine, and surface of material sludge and dust are detached, while also can
Remove the tiny material in part；
E. the material after dedusting enter sorting machine carry out material sorting, by material proportion it is different in the way of, in raw material
Leaf blown off using wind-force, leaf does animal feed processing；
F. pass through the stalk elected in assorting room and enter decomposing machine, decomposing machine utilizes microwave heating, raw molecule to rub
It wipes and generates thermal energy, temperature reaches 180 degree, keeps the temperature 10~50 minutes, then discharges, due to molecular friction, decomposing machine can make fiber
And lignin separation, the material of release, which fully enters, receives storehouse；
G. the separation of material come out from reception storehouse enters comb extension set, and comb extension set is using axis tooth material scattering, axis tooth appearance
Have sieve plate, the flesh in granular lignin and cornstalk can separate, 600 revs/min of comb extension set rotating speed, the lignin of separation and
Flesh makees feed, and fiber out enters high-density paste mill from equipment one end；
H. it combs the fiber branched away and enters high-density paste mill progress defibrination process, highly concentrated mill uses hydraulic feed, rotating speed
1400 revs/min, into slurry concentration 30~35%, carry out preliminary defibrination；
I. the slurry after defibrination enters torrent separator, and the principle of torrent current divider is the pressure friction using water, equipment
Pressure for sealing state, circulating pump is 2 megapascal, and flow is set according to production capacity, and slurry enters torrent current divider and adds water, material dense
Degree 4%, circulating pump extract material out from device bottom, then throw into the middle part of equipment and top, slurry pass through 10~120 minutes height
Pressure cycle friction, can be the sordid lignin of comb point and flesh preferably with fiber separation；
J. the material for passing through the processing of torrent separator is diluted with water into screening machine while slurry enters, material concentration
2%, flesh and lignin with fiber separation are removed by screening, are carried out dehydrating addition feed, water reuse；
K. the slurry screened carries out middle concentrated jordaning, concentration 4~8%, and 2 series connection of fiberizer reach the mark of papermaking needs
Standard, general beating degree are 28~32；
L. the slurry ground is carried out dehydrating, and is separated by solid-liquid separation using squeezing dewatering machine, the slurry taken off aqueous 60%,
It can transport for long-distance to paper mill, water progress reuse.
Without using Boiler Steam, chemical industry is not had to, means more environmentally-friendly environmental protection generates heat when cracking using microwave molecular friction
Can, such lignin meeting independent individual and fiber separation solve the problem of that traditional approach lignin is dissolved in water and pollutes.
Have an apparent difference with prior art, prior art using the boiling means not only high energy consumption but also rate of recovery is low,
Also part uses chemical breakdown means, decomposing pool post-processing difficulty is big, and the water pollution in decomposing pool is serious, and discharge can influence
Environment cannot accomplish the effect of environmental protection recycling in turn.This product uses physics and mechanical engagement that can effectively coordinate environmental protection substantially
Means separating lignin.
Embodiment two
Basic step is identical as embodiment one.
Material after the dust removal machine dust removal process utilizes magnetic force the metal object in material in by transmission process
Matter is removed, and the material of removal of impurities is then transported to decomposing machine.
To remove the larger metal of some quality, it can be attracted by magnetic force, bulky grain metal impurities are removed, after convenient
The working process in face and the service life and product processing effect for protecting processing equipment.
Embodiment three
Basic step is identical as embodiment one.
Material is divided into three parts by dust removal machine, and a part is the material for retaining clean, and a part is the magazine detached
And the tiny material for being partially separated out, it is described to be had by tiny boring and separation the part magazine come at separation
The processing of machine fertilizer.
The torrent separator utilizes water pressure friction, and the mode for generating friction is convection current, and the convection current is three
Friction convection current on convection current direction.
It can accomplish to make the best use of everything by recycling impurity and tiny material, and promote the development of other field, into one
Step increases the utilization rate of stalk, gives full play to the environment protecting of this technique.
The present invention and its embodiments have been described above, this description is no restricted, and actual structure is not
It is confined to this.All in all if those skilled in the art are enlightened by it, in the feelings for not departing from the invention objective
Under condition, frame mode similar with the technical solution and embodiment are not inventively designed, the guarantor of the present invention should all be belonged to
Protect range.
Claims (4)
1. a kind of grass environment-friendly pulping recovery process, it is characterised in that：Include the following steps；
A. bundled cornstalk is first put into conveyer, is transported to brokenly in bundle machine and carries out brokenly bundle processing；
B. it breaks bundle machine to be torn using tooth shaft, bundled raw material is separated, material is fed from upper side, bottom discharge, even
Continuous operation；
C. the material after detaching enters chaffcutter, and material is cut into 2~10 centimeters or so of length；
D. the material come out from chaffcutter enters dust removal machine, and surface of material sludge and dust are detached, while can also remove
The tiny material in part；
E. the material after dedusting enter sorting machine carry out material sorting, by material proportion it is different in the way of, the leaf in raw material
Son is blown off using wind-force, and leaf does animal feed processing；
F. pass through the stalk elected in assorting room and enter decomposing machine, decomposing machine utilizes microwave heating, raw molecule friction production
Heat energy, temperature reach 180 degree, keep the temperature 10~50 minutes, then discharge, due to molecular friction, decomposing machine can make fiber and wood
Quality detaches, and the material of release, which fully enters, receives storehouse；
G. the separation of material come out from reception storehouse enters comb extension set, and for comb extension set using axis tooth material scattering, axis tooth appearance has sieve
Plate, the flesh in granular lignin and cornstalk can separate, and 600 revs/min of comb extension set rotating speed, the lignin and flesh of separation are done
Feed, fiber out enter high-density paste mill from equipment one end；
H. it combs the fiber branched away and enters high-density paste mill progress defibrination process, highly concentrated grind uses hydraulic feed, 1400 turns of rotating speed/
Point, into slurry concentration 30~35%, carry out preliminary defibrination；
I. the slurry after defibrination enters torrent separator, and the principle of torrent current divider is the pressure friction using water, and equipment is close
The pressure of envelope state, circulating pump is 2 megapascal, and flow is set according to production capacity, and slurry enters torrent current divider and adds water, material concentration
4%, circulating pump extracts material out from device bottom, then throws into the middle part of equipment and top, slurry pass through 10~120 minutes high pressures
Cycle friction, can be the sordid lignin of comb point and flesh preferably with fiber separation；
J. the material for passing through the processing of torrent separator is diluted with water into screening machine while slurry enters, material concentration 2%,
Flesh and lignin with fiber separation are removed by screening, are carried out dehydrating addition feed, water reuse；
K. the slurry that screens carries out middle concentrated jordaning, concentration 4~8%, 2 series connection of fiberizer, reaches the standard of papermaking needs, and one
As beating degree be 28~32；
L. the slurry ground is carried out dehydrating, and is separated by solid-liquid separation using squeezing dewatering machine, the slurry taken off aqueous 60%, can be with
It transports for long-distance to paper mill, water progress reuse.
2. a kind of grass environment-friendly pulping recovery process according to claim 1, it is characterised in that：The dedusting
Material after machine dust removal process removes the metallics in material using magnetic force in by transmission process, then by removal of impurities
Material is transported to decomposing machine.
3. a kind of grass environment-friendly pulping recovery process according to claim 1, it is characterised in that：Material is by removing
Dirt machine is divided into three parts, and a part is the material that retains clean, and a part is by the magazine detached and is partially separated out
Tiny material, tiny boring and separation the part magazine come at separation carries out organic fertilizer processing.
4. a kind of grass environment-friendly pulping recovery process according to claim 1, it is characterised in that：The torrent
Separator utilizes water pressure friction, and the mode for generating friction is convection current, and the convection current is the friction pair on three convection current directions
Stream.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810465039.9A CN108589393A (en) | 2018-05-16 | 2018-05-16 | A kind of grass environment-friendly pulping recovery process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810465039.9A CN108589393A (en) | 2018-05-16 | 2018-05-16 | A kind of grass environment-friendly pulping recovery process |
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| Publication Number | Publication Date |
|---|---|
| CN108589393A true CN108589393A (en) | 2018-09-28 |
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ID=63631200
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810465039.9A Pending CN108589393A (en) | 2018-05-16 | 2018-05-16 | A kind of grass environment-friendly pulping recovery process |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109499726A (en) * | 2018-11-28 | 2019-03-22 | 安徽天马环保装备有限公司 | A kind of stalk crushes preprocess method and system |
| CN110804890A (en) * | 2019-07-23 | 2020-02-18 | 黑龙江如柏科技有限公司 | Physical pulse broken wall slurrying device |
| CN110804891A (en) * | 2019-07-23 | 2020-02-18 | 黑龙江如柏科技有限公司 | Combined treatment process for papermaking pulp |
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| CN101591864A (en) * | 2009-06-17 | 2009-12-02 | 刘长如 | A kind of environment friendly pulping process |
| CN102720083A (en) * | 2012-06-11 | 2012-10-10 | 中国科学院过程工程研究所 | Method for pretreating biomass by ball milling coupled with microwave |
| CN104611084A (en) * | 2015-01-19 | 2015-05-13 | 天津市天人世纪科技有限公司 | Method for producing clean energy material from agricultural and forestry waste |
| CN205134089U (en) * | 2015-10-22 | 2016-04-06 | 岳阳市天成植物制浆技术研发有限公司 | Straw paper -making pulping equipment |
| CN106702798A (en) * | 2017-03-23 | 2017-05-24 | 东北林业大学 | Method of utilizing waste liquid and waste residue of corn pulping to prepare fertilizer |
-
2018
- 2018-05-16 CN CN201810465039.9A patent/CN108589393A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101591864A (en) * | 2009-06-17 | 2009-12-02 | 刘长如 | A kind of environment friendly pulping process |
| CN102720083A (en) * | 2012-06-11 | 2012-10-10 | 中国科学院过程工程研究所 | Method for pretreating biomass by ball milling coupled with microwave |
| CN104611084A (en) * | 2015-01-19 | 2015-05-13 | 天津市天人世纪科技有限公司 | Method for producing clean energy material from agricultural and forestry waste |
| CN205134089U (en) * | 2015-10-22 | 2016-04-06 | 岳阳市天成植物制浆技术研发有限公司 | Straw paper -making pulping equipment |
| CN106702798A (en) * | 2017-03-23 | 2017-05-24 | 东北林业大学 | Method of utilizing waste liquid and waste residue of corn pulping to prepare fertilizer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109499726A (en) * | 2018-11-28 | 2019-03-22 | 安徽天马环保装备有限公司 | A kind of stalk crushes preprocess method and system |
| CN110804890A (en) * | 2019-07-23 | 2020-02-18 | 黑龙江如柏科技有限公司 | Physical pulse broken wall slurrying device |
| CN110804891A (en) * | 2019-07-23 | 2020-02-18 | 黑龙江如柏科技有限公司 | Combined treatment process for papermaking pulp |
| CN110804891B (en) * | 2019-07-23 | 2021-08-03 | 黑龙江如柏科技有限公司 | Combined treatment process for papermaking pulp |
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Application publication date: 20180928 |