CN104594090A - Water-free explosion pulping process - Google Patents
Water-free explosion pulping process Download PDFInfo
- Publication number
- CN104594090A CN104594090A CN201510023660.6A CN201510023660A CN104594090A CN 104594090 A CN104594090 A CN 104594090A CN 201510023660 A CN201510023660 A CN 201510023660A CN 104594090 A CN104594090 A CN 104594090A
- Authority
- CN
- China
- Prior art keywords
- expanded
- raw material
- pulping process
- anhydrous
- described step
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/36—Explosive disintegration by sudden pressure reduction
-
- 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
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/14—Disintegrating in mills
- D21B1/16—Disintegrating in mills in the presence of chemical agents
-
- 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds
-
- 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
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
Abstract
The invention relates to a water-free explosion pulping process, in particular to an energy-saving and water-saving clean pulping process without waste water, waste gas and waste residue discharge; the process is obtained by adopting an oxygen-alkaline explosion manner. In the oxygen-alkaline explosion pulping process, fibers are dissociated through the combination of an oxygen-alkaline technology and an explosion technology, and a weak mechanical treatment manner is adopted at a rear end, so that the fiber strength is guaranteed, the energy consumption is reduced, and high-yield pulping is realized.
Description
Technical field
The present invention relates to anhydrous expanded pulping process, obtain a kind of energy-saving and water-saving clean pulping process without waste water,waste gas and industrial residue discharge in particular to a kind of expanded mode of oxonium base that adopts.
Background technology
Pulping and paper-making COD pollutant emission accounts for about 20% of China's industrial wastewater discharge total amount, is the maximum emission source of China industrial wastewater COD.Alkali recovery process is complicated, equipment investment is large, and has the generation of the foul smell such as hydrogen sulfide, mercaptan.COD (COD or CODcr) refers under necessarily strict condition, and the reducing substances in water is under the effect of additional strong oxidizer, and the quantity of oxidized decomposition time institute's oxygen consumed agent, represents with the mg/L of oxygen.COD reflects in water by the degree that reducing substances pollutes, these materials comprise organic matter, nitrite, ferrous salt, sulfide etc., but the quantity of inorganic reduction material is relatively little in general water and waste water, and be very general by Organic Pollution, therefore, COD can be used as a composite target of organic substance relative amount.
In addition, in traditional pulping process, adopt chlorine bleach, produce POPS persistence organic pollutant.What persistence organic pollutant (Persistent Organic Pollutants, be called for short POPs) referred to that the mankind synthesize can be present in lastingly in environment, by Food chain (net) accumulation and human health is caused to the chemical substance of adverse effect.It possesses four kinds of characteristics: high poison, lasting, biological accumulation, lipophilic hydrophobicity, and is positioned at the mankind on biological chain top, then these toxicity have been amplified to 70,000 times.
Such as Authorization Notice No. is the Chinese invention patent of CN100510246C, it discloses the method for the brewed pulping of a kind of cold soaking for papermaking, first paper grade (stock) raw material is twisted into filament; Prepare activating agent respectively, soak main liquid and soak auxiliary liquid for subsequent use, activating agent is put into the mixed liquor soaking main liquid and soak auxiliary liquid, obtain soak; Filament is added in soak, soak at room temperature 36-72 hour; Paper pulp after soaking is ground, pulled an oar, makes pulp hardness be 12-18.The method soak time is longer, and production efficiency is low, and uses a large amount of water in immersion process, causes water high cost.
Based on the problem that there is water resource waste in above-mentioned prior art, application number is the Chinese invention patent of 201110422507.2, it discloses a kind of pulping method by dry process, comprise and biomass material is added oxidant carry out oxidation pre-treatment, raw material cell wall broken wall is made by high pressure exploding technology, make fiber fluffy, separation, lignin degradation, under oxidant effect, utilize grinder that fluffy fibre bundle is separated completely, and deviate from lignin, make raw material reach use whiteness, then select fiber by negative pressure wind optional equipment.Solve pulp production in prior art and use water problem in a large number.Slurry after quick-fried to sudden strain of a muscle in the method carries out thread rolling again, and the surface tension of raw material is reduced, and oxidative bleaching agent is not easy to permeate fully in the feed, and bleaching effect is bad.
Such as application number is the Chinese invention patent of 201210145965.0 again, it discloses a kind of low-carbon (LC) papermaking process, agricultural crop straw is utilized to produce sub-high pressure steam-electric power as energy source and power, isolate slurry and pollutant black liquor and bleaching effluent as raw material by slurrying, to be manufactured paper with pulp out various paper by slurry, prepare sodium lignin sulfonate by black liquor, prepare anhydrous calcium chloride by chlorine bleach sewage.In this papermaking process, use chlorine bleaches will certainly produce POPS persistence organic pollutant like this, even chlorine bleach sewage has been changed into anhydrous calcium chloride, will inevitably production cost be increased.In addition, in the method, links all uses a large amount of water, adds water cost.
Summary of the invention
Based on the problems referred to above, the invention provides a kind of anhydrous expanded pulping process, be intended to solve the problems such as production efficiency in prior art is low, seriously polluted, water resource waste.
The anhydrous expanded pulping process of one according to the present invention, it adopts the method for the expanded slurrying of oxonium base, and namely to be combined defibrating by oxonium base and puffing technique, the mode of weak mechanical treatment is taked in rear end.
In anhydrous expanded pulping process of the present invention, the method for the expanded slurrying of oxonium base comprises the following steps:
Step one, prepares raw material, Raw material processing is become satisfactory shape;
Step 2, adds preimpregnation medicament by the raw material after processing by liquid proportion, and stirs 1-5 minute, pass into steam, and immersion a period of time makes the material after soaking become swollen, reaches one section of pretreating effect simultaneously;
Step 3, soaked raw material carries out extrusion dehydration through tape transport to thread rolling machine, discongests, and after extruding, material water ratio controls at 35%-45%;
Step 4, is transported to the material after extrusion thread-rolling machine process in preliminary treatment tank through conveying worm and gives compacting filling, fill the charging aperture of rear enclosed preliminary treatment tank;
Step 5, is dropping to normal pressure instantaneously by the pressure in preliminary treatment tank, thus the histocyte of raw material is torn, cell membrane loosens, and spray from the discharging opening jet of preliminary treatment tank, enter into expanding apparatus and carry out expanded, thus obtain the semi-finished product of the fluffy softness of floccule;
Step 6, processes paramount for semi-finished product slurry transferring dense refining system it, adds hydrogen peroxide simultaneously;
Step 7, the slurry after defibrination enters reaction warehouse, liquid and slurry is fully reacted, reaches bleaching effect;
Step 8, to disappear from reaction warehouse slurry out latent, low dense defibrination, screening, purification, concentration, obtains paper pulp;
Step 9, turns back to high consistency refining system by screenings, and through latent, low dense defibrination, screening, the purified treatment of disappearing, obtains qualified products.
Preferably, the raw material of described step one is wood chip, stalk, reed, the branch of poplar, slab, small wood.
In above-mentioned either a program preferably, when described step one Raw is wood chip, strand length is 2-4cm, wide 3cm; When raw material is stalk, the length of stalk is 2-5cm.
In above-mentioned either a program preferably, the liquid in described step 2 is NaOH, and its concentration is 18-20g/l, and chemical feeding quantity is 50kg/t.
In above-mentioned either a program preferably, in described step 4, the charging aperture of preliminary treatment tank first inputs oxygen before closing in preliminary treatment tank, and then pass into steam, by temperature adjusting in preliminary treatment tank at 190-210 DEG C, pressure controlling is at 1.9-2.2MPa, and heat-insulation pressure keeping 20-200 second, liquid and oxygen is made to enter in tablet, allow the institutional framework of raw material infiltrate liquid at short notice, the partial interior institutional framework of raw material is oxidized simultaneously, reaches two sections of pretreated effects.
In above-mentioned either a program preferably, contain hydrogen peroxide in reaction warehouse in described step 7, its concentration is 28%-35%, and consumption is 200kg/t.
In above-mentioned either a program preferably, the production of produced waste water for light body wall brick is extruded in described step 3.
In above-mentioned either a program preferably, the product of described step 8 is divided into two parts: qualified slurry enters new reaction warehouse and carries out reaction treatment; Thick fibre bundle is got back to fiberizer and is again processed.
In above-mentioned either a program preferably, the product in the reaction warehouse of described step 9 is divided into two parts: qualified paper pulp is processed into the packing of finished product paper pulp; Defective product is got back to thread rolling machine and is carried out second time thread rolling, and reaction warehouse waste water out leads to the production of light body wall brick.
Accompanying drawing explanation
To describe according to preferred but nonrestrictive embodiment of the present invention now, these and other features of the present invention, aspect and advantage will become apparent when reading following detailed description in detail with reference to accompanying drawing, wherein:
Fig. 1 is the flow chart according to anhydrous expanded pulping process of the present invention.
Detailed description of the invention
The following description is only exemplary and be not to limit the disclosure, application or purposes in essence.
Anhydrous expanded pulping process of the present invention, before oxygen alkali pulping, carry out alkali steeping preliminary treatment have active influence to the good effects on slurry making of acquisition: through one section of alkali treatment, activity on the one hand in grass as raw material can have quite a few and is removed in advance by lower lignin, turn increase the free phenolic hydroxyl group of lignin on the other hand, reduce the activation energy of residual lignin, for removing further of lignin creates advantage; Simultaneously also with half fiber and cellulose degraded in various degree, because alkali steeping temperature is generally below 100 DEG C, peeling reaction and alkaline bleach liquor degradation almost do not occur, and therefore particularly cellulose degradation is little for carbohydrate.In the mass transport process of alkali lye, a small amount of carbohydrate of the lignin fragments deviate from and degraded is by continuous stripping, finally make grass as raw material structure more loose, the increase of mass transfer channel, increase from the surface tension of raw material, the oxygen of cooking liquor and dissolving is more easily permeated in the feed, for the rapid stripping of next section of oxygen alkali pulping process mid-deep strata lignin provides passage, improve mass-transfer efficiency, for oxygen alkali cooking creates favourable condition.
Consult Fig. 1, anhydrous expanded pulping process of the present invention, it adopts the method for the expanded slurrying of oxonium base, and namely to be combined defibrating by oxonium base and puffing technique, the mode of weak mechanical treatment is taked in rear end.
In anhydrous expanded pulping process of the present invention, the method for the expanded slurrying of oxonium base comprises the following steps:
Step one, prepares raw material, Raw material processing is become satisfactory shape;
Step 2, adds preimpregnation medicament by the raw material after processing by liquid proportion, and stirs 1-5 minute, pass into steam, and immersion a period of time makes the material after soaking become swollen, reaches one section of pretreating effect simultaneously;
Step 3, soaked raw material carries out extrusion dehydration through tape transport to thread rolling machine, discongests, and after extruding, material water ratio controls at 35%-45%;
Step 4, is transported to the material after extrusion thread-rolling machine process in preliminary treatment tank through conveying worm and gives compacting filling, fill the charging aperture of rear enclosed preliminary treatment tank;
Step 5, is dropping to normal pressure instantaneously by the pressure in preliminary treatment tank, thus the histocyte of raw material is torn, cell membrane loosens, and spray from the discharging opening jet of preliminary treatment tank, enter into expanding apparatus and carry out expanded, thus obtain the semi-finished product of the fluffy softness of floccule;
Step 6, processes paramount for semi-finished product slurry transferring dense refining system it, adds hydrogen peroxide simultaneously;
Step 7, the slurry after defibrination enters reaction warehouse, liquid and slurry is fully reacted, reaches bleaching effect;
Step 8, to disappear from reaction warehouse slurry out latent, low dense defibrination, screening, purification, concentration, obtains paper pulp;
Step 9, turns back to high consistency refining system by screenings, and through latent, low dense defibrination, screening, the purified treatment of disappearing, obtains qualified products.
In the present embodiment, the raw material of described step one is wood chip, stalk, reed, the branch of poplar, slab, small wood.
In the present embodiment, when described step one Raw is wood chip, strand length is 2-4cm, wide 3cm; When raw material is stalk, the length of stalk is 2-5cm.
Embodiment 1:
Liquid in above-mentioned steps two is NaOH, and its concentration is 18g/l, and chemical feeding quantity is 50kg/t.
In the present embodiment, in described step 4, the charging aperture of preliminary treatment tank first inputs oxygen before closing in preliminary treatment tank, and then pass into steam, by temperature adjusting in preliminary treatment tank at 190 DEG C, pressure controlling is at 1.9MPa, and heat-insulation pressure keeping 20 seconds, liquid and oxygen is made to enter in tablet, allow the institutional framework of raw material infiltrate liquid at short notice, the partial interior institutional framework of raw material is oxidized simultaneously, reaches two sections of pretreated effects.
In the present embodiment, contain hydrogen peroxide in reaction warehouse in described step 7, its concentration is 28%%, and consumption is 200kg/t.
In the present embodiment, the production of produced waste water for light body wall brick is extruded in described step 3.
In the present embodiment, the product of described step 8 is divided into two parts: qualified slurry enters new reaction warehouse and carries out reaction treatment; Thick fibre bundle is got back to fiberizer and is again processed.
In the present embodiment, the product in the reaction warehouse of described step 9 is divided into two parts: qualified paper pulp is processed into the packing of finished product paper pulp; Defective paper pulp turns back in raw material soaking, and reaction warehouse waste water out leads to the production of light body wall brick.
Embodiment 2:
Liquid in above-mentioned steps two is NaOH, and its concentration is 19g/l, and chemical feeding quantity is 50kg/t.
In the present embodiment, in described step 4, the charging aperture of preliminary treatment tank first inputs oxygen before closing in preliminary treatment tank, and then pass into steam, by temperature adjusting in preliminary treatment tank at 200 DEG C, pressure controlling is at 2.1MPa, and heat-insulation pressure keeping 90 seconds, liquid and oxygen is made to enter in tablet, allow the institutional framework of raw material infiltrate liquid at short notice, the partial interior institutional framework of raw material is oxidized simultaneously, reaches two sections of pretreated effects.
In the present embodiment, contain hydrogen peroxide in reaction warehouse in described step 7, its concentration is 30%, and consumption is 200kg/t.
In the present embodiment, the production of produced waste water for light body wall brick is extruded in described step 3.
In the present embodiment, the product of described step 8 is divided into two parts: qualified slurry enters new reaction warehouse and carries out reaction treatment; Thick fibre bundle is got back to fiberizer and is again processed.
In the present embodiment, the product in the reaction warehouse of described step 9 is divided into two parts: qualified paper pulp is processed into the packing of finished product paper pulp; Defective paper pulp turns back in raw material soaking, and reaction warehouse waste water out leads to the production of light body wall brick.
Embodiment 3:
Liquid in above-mentioned steps two is NaOH, and its concentration is 20g/l, and chemical feeding quantity is 50kg/t.
In the present embodiment, in described step 4, the charging aperture of preliminary treatment tank first inputs oxygen before closing in preliminary treatment tank, and then pass into steam, by temperature adjusting in preliminary treatment tank at 210 DEG C, pressure controlling is at 2.2MPa, and heat-insulation pressure keeping 200 seconds, liquid and oxygen is made to enter in tablet, allow the institutional framework of raw material infiltrate liquid at short notice, the partial interior institutional framework of raw material is oxidized simultaneously, reaches two sections of pretreated effects.
In the present embodiment, contain hydrogen peroxide in reaction warehouse in described step 7, its concentration is 35%, and consumption is 200kg/t.
In the present embodiment, the production of produced waste water for light body wall brick is extruded in described step 3.
In the present embodiment, the product of described step 8 is divided into two parts: qualified slurry enters new reaction warehouse and carries out reaction treatment; Thick fibre bundle is got back to fiberizer and is again processed.
In the present embodiment, the product in the reaction warehouse of described step 9 is divided into two parts: qualified paper pulp is processed into the packing of finished product paper pulp; Defective paper pulp turns back in raw material soaking, and reaction warehouse waste water out leads to the production of light body wall brick.
The expanded pulping process of oxonium base of the present invention has following features:
1. environmental protection
Pulping and paper-making COD pollutant emission accounts for about 20% of China's industrial wastewater discharge total amount, is the maximum emission source of China industrial wastewater COD.Alkali recovery process is complicated, equipment investment is large, adopts the expanded pulping technique of oxonium base, does not produce cooking waste liquor, only have two drainage points in raw material pre-soaking and extrusion process, for the production of materials for wall after waste liquid circulation utilizes.Chlorine-free bleaching is adopted not have POPS persistence organic pollutant to produce.Akali sulphide is not used not have the generation of the foul smell such as hydrogen sulfide, mercaptan.The screenings of process obtains pulp product through regrinding, and solid waste resource recovery utilizes.
2. achieve grass as raw material high yield cooking
The employing oxonium base of the expanded slurrying of oxonium base and puffing technique combine defibrating, and the mode of weak mechanical treatment is taked in rear end, ensure that fibre strength, reduces energy consumption, achieves high yield cooking, is the breakthrough of grass as raw material pulping process.
3, concise in technology, is conducive to suiting measures to local conditions to found the factory
Adopt chemical pulping, equipment is huge, complex process.Adopt the expanded pulping technique of oxonium base, floor space is little, concise in technology.
Table one:
Table two:
Drawn by upper table contrast: chemical pulping process adds Na in digestion process
2s will certainly produce COD pollutant like this; To chlorine bleach be carried out after screening, POPS pollutant will certainly be produced like this; Also needed to carry out alkali collection before making pulpboard, the increase of production cost will certainly be caused.On the contrary, the present invention adopts the step of the expanded slurrying of oxonium base simple, and can not produce the discharge of COD and POPS pollutant.
Table three:
Can be drawn by table three: COD and BOD that the expanded pulping process of rice oxonium base of the present invention produces
5be 0, and in chemical pulp method of the prior art, COD is 5.4kg/t, the COD in reducing rules method is 1.8kg/t; BOD in chemical pulp method
5for 1.5kg/t, the BOD in reducing rules method
5for 0.72kg/t.As can be seen here, the present invention adopts the method for the expanded pulping process of oxonium base to be better than chemical pulp method and reducing rules method.
Table four:
| Title | The expanded slurrying of oxonium base | Chemical pulp | Reducing rules |
| Raw materials consumption (t) | 1.08 | 2.3 | 1.2 |
| Water (t) | 2 | 60 | 20 |
| Alkali (kg/t) | 32 | 53 | 58 |
| Steam (t) | 0.2 | 2.2 | 0.6 |
| Electricity (KWh/t) | 500 | 350 | 1200 |
Drawn by table four: the present invention adopt the consumption of oxonium base expanded pulping process Raw, water, alkali, steam consumption be all far smaller than chemical pulp method and reducing rules method in prior art.Although the electric consumption of the present invention is slightly larger than chemical pulp method, the consumption of other material is far smaller than chemical pulp method, and therefore the expanded pulping process of oxonium base of the present invention is totally still better than chemical pulp method and reducing rules method.
Table five:
| Title | The expanded slurrying of oxonium base | Chemical pulp | Reducing rules |
| Raw materials consumption | 100％ | 212％ | 111％ |
| Water consumption | 100％ | 3000％ | 1000％ |
| Alkali consumes | 100％ | 164％ | 181％ |
| Electric consumption | 100％ | 70％ | 240％ |
| COD discharges | 0 | 540 | 180 |
| BOD discharges | 0 | 150 | 72 |
| Cost compare | 100％ | 172％ | 132％ |
Drawn by table five: the present invention adopt the consumption of oxonium base expanded pulping process Raw, water, alkali, steam consumption be all far smaller than chemical pulp method and reducing rules method in prior art.Although the electric consumption of the present invention is slightly larger than chemical pulp method, the consumption of other material is far smaller than chemical pulp method.In addition, in the present invention, there is the discharge of COD, BOD, can not pollute.Therefore, the expanded pulping process of oxonium base of the present invention is totally still better than chemical pulp method and reducing rules method.
Water-free environment-friendlyurinal pulping technique of the present invention confirms to have good economic benefit, social benefit and ecological benefits through promoting.Estimate that the five-year slurrying production capacity reaches 3,000,000 tons; annual value of production more than 10,000,000,000 yuan can be realized; the relevant vertical industry such as equipment manufacturing, new material is driven to invest more than 30,000,000,000 yuan; our company's project plan about 3 years listing; carry out large-scale development by capital operation, international environmental protection industry leading enterprise will be become.
Although disclose in detail the present invention with reference to accompanying drawing, it should be understood that these descriptions are only exemplary, be not used for limiting application of the present invention.Protection scope of the present invention by appended claims, and can be included in the various modification made for the present invention of pin when not departing from scope and spirit, remodeling and equivalents.
Claims (10)
1. an anhydrous expanded pulping process, it adopts the method for the expanded slurrying of oxonium base, and namely to be combined defibrating by oxonium base and puffing technique, the mode of weak mechanical treatment is taked in rear end.
2. anhydrous expanded pulping process as claimed in claim 1, is characterized in that, the method for the expanded slurrying of described oxonium base comprises the following steps:
Step one, prepares raw material, Raw material processing is become satisfactory shape;
Step 2, adds preimpregnation medicament by the raw material after processing by liquid proportion and soaks, and stir 1-5 minute, pass into steam, and immersion a period of time makes the material after soaking become swollen, reaches one section of pretreating effect simultaneously;
Step 3, soaked raw material carries out extrusion dehydration through tape transport to thread rolling machine, discongests, and after extruding, material water ratio controls at 35%-45%;
Step 4, is transported to the material after extrusion thread-rolling machine process in preliminary treatment tank through conveying worm and gives compacting filling, fill the charging aperture of rear enclosed preliminary treatment tank;
Step 5, is dropping to normal pressure instantaneously by the pressure in preliminary treatment tank, thus the histocyte of raw material is torn, cell membrane loosens, and spray from the discharging opening jet of preliminary treatment tank, enter into expanding apparatus and carry out expanded, thus obtain the semi-finished product of the fluffy softness of floccule;
Step 6, processes paramount for semi-finished product slurry transferring dense refining system it, adds hydrogen peroxide simultaneously;
Step 7, the slurry after defibrination enters reaction warehouse, liquid and slurry is fully reacted, reaches bleaching effect;
Step 8, to disappear from reaction warehouse slurry out latent, low dense defibrination, screening, purification, concentration, obtains paper pulp;
Step 9, turns back to high consistency refining system by screenings, and through latent, low dense defibrination, screening, the purified treatment of disappearing, obtains qualified products.
3. anhydrous expanded pulping process as claimed in claim 2, is characterized in that, the raw material of described step one is wood chip, stalk, reed, the branch of poplar, slab, small wood.
4. anhydrous expanded pulping process as claimed in claim 2, is characterized in that, when described step one Raw is wood chip, strand length is 2-4cm, wide 3cm; When raw material is stalk, the length of stalk is 2-5cm.
5. anhydrous expanded pulping process as claimed in claim 2, is characterized in that, the liquid in described step 2 is NaOH, and its concentration is 18-20g/l, and chemical feeding quantity is 50kg/t.
6. anhydrous expanded pulping process as claimed in claim 2, it is characterized in that, in described step 4, the charging aperture of preliminary treatment tank first inputs oxygen before closing in preliminary treatment tank, and then pass into steam, by temperature adjusting in preliminary treatment tank at 190-210 DEG C, pressure controlling is at 1.9-2.2MPa, and heat-insulation pressure keeping 20-200 second, liquid and oxygen is made to enter in tablet, allow the institutional framework of raw material infiltrate liquid at short notice simultaneously, the partial interior institutional framework of raw material is oxidized, reaches two sections of pretreated effects.
7. anhydrous expanded pulping process as claimed in claim 2, is characterized in that, contain hydrogen peroxide in reaction warehouse in described step 7, its concentration is 28%-35%, and consumption is 200kg/t.
8. anhydrous expanded pulping process as claimed in claim 2, is characterized in that, extrudes the production of produced waste water for light body wall brick in described step 3.
9. anhydrous expanded pulping process as claimed in claim 2, it is characterized in that, the product of described step 8 is divided into two parts: qualified slurry enters new reaction warehouse and carries out reaction treatment; Thick fibre bundle is got back to fiberizer and is again processed.
10. anhydrous expanded pulping process as claimed in claim 2, it is characterized in that, the product in the reaction warehouse of described step 9 is divided into two parts: qualified paper pulp is processed into the packing of finished product paper pulp; Defective product is got back to thread rolling machine and is carried out second time thread rolling, and reaction warehouse waste water out leads to the production of light body wall brick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510023660.6A CN104594090B (en) | 2015-01-19 | 2015-01-19 | Anhydrous puffing pulping process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510023660.6A CN104594090B (en) | 2015-01-19 | 2015-01-19 | Anhydrous puffing pulping process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104594090A true CN104594090A (en) | 2015-05-06 |
| CN104594090B CN104594090B (en) | 2018-10-12 |
Family
ID=53120121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510023660.6A Active CN104594090B (en) | 2015-01-19 | 2015-01-19 | Anhydrous puffing pulping process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104594090B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105543983A (en) * | 2016-02-19 | 2016-05-04 | 于锋 | Process and device for preparing modified leather fiber through high-pressure puffing |
| CN106400561A (en) * | 2016-11-11 | 2017-02-15 | 无限极（中国）有限公司 | Method for preparing paper pulp from waste traditional Chinese medicine dregs |
| CN106676924A (en) * | 2017-01-05 | 2017-05-17 | 新疆弘瑞达纤维有限公司 | Method of preparing coarse paper pulp by using plant straws |
| CN106835791A (en) * | 2017-01-05 | 2017-06-13 | 新疆弘瑞达纤维有限公司 | A kind of method that fibrous material is prepared with cotton stalk |
| CN109235096A (en) * | 2018-11-16 | 2019-01-18 | 李伟东 | A kind of process of the purely mechanic slurrying of stalk papermaking |
| CN110241660A (en) * | 2019-05-17 | 2019-09-17 | 合肥宜果科技服务有限公司 | A kind of processing method of waste and old wrapping paper recycling and reusing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1153240A (en) * | 1996-09-13 | 1997-07-02 | 王知和 | Pollution-free paper making method |
| CN2383868Y (en) * | 1999-08-14 | 2000-06-21 | 徐州华达机电设备有限公司 | Blast pulping complete equipment |
| CN1458334A (en) * | 2003-05-23 | 2003-11-26 | 江立 | Presteaming process for plant fiber material in steam explosion pulping |
| US20100032110A1 (en) * | 1999-03-23 | 2010-02-11 | Dynawave Corporation | Device and Method of Using Explosive Forces in a Contained Environment |
| CN102177293A (en) * | 2008-02-28 | 2011-09-07 | 安德里兹有限公司 | System and method for preextraction of hemicellulose through using a continuous prehydrolysis and steam explosion pretreatment process |
| CN102206926A (en) * | 2011-04-27 | 2011-10-05 | 北京中诺德瑞工业科技有限公司 | Method and equipment for producing paper pulp by oxidatively bursting wall of straw |
-
2015
- 2015-01-19 CN CN201510023660.6A patent/CN104594090B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1153240A (en) * | 1996-09-13 | 1997-07-02 | 王知和 | Pollution-free paper making method |
| US20100032110A1 (en) * | 1999-03-23 | 2010-02-11 | Dynawave Corporation | Device and Method of Using Explosive Forces in a Contained Environment |
| CN2383868Y (en) * | 1999-08-14 | 2000-06-21 | 徐州华达机电设备有限公司 | Blast pulping complete equipment |
| CN1458334A (en) * | 2003-05-23 | 2003-11-26 | 江立 | Presteaming process for plant fiber material in steam explosion pulping |
| CN102177293A (en) * | 2008-02-28 | 2011-09-07 | 安德里兹有限公司 | System and method for preextraction of hemicellulose through using a continuous prehydrolysis and steam explosion pretreatment process |
| CN102206926A (en) * | 2011-04-27 | 2011-10-05 | 北京中诺德瑞工业科技有限公司 | Method and equipment for producing paper pulp by oxidatively bursting wall of straw |
Non-Patent Citations (1)
| Title |
|---|
| 陈安江: ""年产25万吨P-RC APMP木浆工艺及设备"", 《中华纸业》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105543983A (en) * | 2016-02-19 | 2016-05-04 | 于锋 | Process and device for preparing modified leather fiber through high-pressure puffing |
| CN106400561A (en) * | 2016-11-11 | 2017-02-15 | 无限极（中国）有限公司 | Method for preparing paper pulp from waste traditional Chinese medicine dregs |
| CN106676924A (en) * | 2017-01-05 | 2017-05-17 | 新疆弘瑞达纤维有限公司 | Method of preparing coarse paper pulp by using plant straws |
| CN106835791A (en) * | 2017-01-05 | 2017-06-13 | 新疆弘瑞达纤维有限公司 | A kind of method that fibrous material is prepared with cotton stalk |
| CN109235096A (en) * | 2018-11-16 | 2019-01-18 | 李伟东 | A kind of process of the purely mechanic slurrying of stalk papermaking |
| CN110241660A (en) * | 2019-05-17 | 2019-09-17 | 合肥宜果科技服务有限公司 | A kind of processing method of waste and old wrapping paper recycling and reusing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104594090B (en) | 2018-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102817262B (en) | High-yield environment-friendly papermaking and pulping process method and system | |
| CN104594090A (en) | Water-free explosion pulping process | |
| CN102230285B (en) | Pulping system and pulping method for environment-friendly mechanical pulp and chemical mechanical pulp of non-woody crops | |
| CN103061181B (en) | Complex enzyme preparation and technique for preparing dissolving pulp by using same | |
| CN105696393B (en) | A kind of wet strong waste paper recycles chemical mechanical pulp-making method | |
| CN105544264B (en) | Wet strong waste paper recycles chemical-mechanical pulping system | |
| CN101148836B (en) | Paper-making-stage bamboo wood pulp plate denaturalization producing technique | |
| CN110004757A (en) | Plant raw material biological environmental production pulping process method | |
| CN105256630A (en) | Method for producing unbleached paper for daily use by using bio-enzyme pretreatment and alkali-process reed pulping | |
| CN105200835A (en) | Method for producing natural color life paper by means of bio-enzyme preprocessing and alkaline method wheat straw pulping | |
| CN101139804A (en) | Method for preparing environment-friendly paper pulp by utilizing biological enzyme and production technique thereof | |
| CN204039825U (en) | A kind of wet strong waste paper recycling chemical-mechanical pulping system | |
| CN105064110A (en) | Cotton linter pulping device and pulping method thereof | |
| CN101148834B (en) | Paper-making-stage broad-leaved wood pulp plate denaturalization producing technique | |
| CN112176750A (en) | P-RC APMP pulping method for hardwood mixed wood | |
| CN102677505A (en) | Steaming process for modifying bleaching bamboo paper pulp and bleaching wood paper pulp into dissolving pulp in compound way | |
| CN102373638B (en) | High-yield clean pulping method from oil palm EFB (empty fruit bunch) fiber through biological enzyme process | |
| CN204803675U (en) | Anhydrous slurrying device | |
| CN101435164B (en) | Modified production process of paper making level sulphate wood pulp plate | |
| CN104499327A (en) | Anhydrous pulping and puffing device | |
| CN104611971A (en) | A system and a method for bleaching bagasse pulp with chlorine dioxide | |
| CN101289818A (en) | Process for preparing dissolved pulp by oxidative degradation of linters | |
| CN101148832B (en) | Paper-making-stage high viscosity wood pulp plate denaturalization producing technique | |
| CN204825488U (en) | Linters slurrying device | |
| CN105648817B (en) | A kind of wet strong waste paper recycling pulping system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |