Summary of the invention
The objective of the invention is to overcome the chemical pulping method of prior art and the defects of bio-pulping method, a kind of new slurrying biological bacteria is provided.The contriver has obtained to be suitable for the biological bacteria that can realize the foregoing invention purpose of bio-pulping by long screening operation.
Particularly, the invention provides a kind of composite flora, it comprises the silent Salmonella (Rheinheimera tangshanensis) of Tangshan Lay mattress that preserving number is CGMCC No.5972, preserving number is the acinetobacter lwoffii (Acinetobacter lwoffii) of CGMCC No.5973, preserving number be this Wickerhamomyces anomalus bacterium of Wickerhamomyces anomalus(of CGMCC No.5975 in malt juice liquid medium 25 ℃ cultivated three days, cell is spherical, avette, sausage shape, size is (4.8-14.4) * (3.6-7.2) μ m, has precipitation to form.25 ℃ of cultivations in wort agar inclined-plane one month, bacterium colony cheese shape, oyster white, surface smoothing, not reflective, edge root shape.Corn Meal Agar Dalmau is dull and stereotyped to be cultivated, and produces pseudohypha).
Described composite flora can be used in the slurrying of biological bacteria liquid.
The present invention also provides a kind of biological bacteria liquid pulping method, and it mainly comprises step:
1) configuration of bacterium liquid: above-mentioned composite flora is configured to the composite bacteria aqueous solution according to following mass ratio, is bacterium liquid:
The Tangshan Lay mattress Salmonella of writing from memory: acinetobacter lwoffii: Wickerhamomyces anomalu
sBe 1-3:1-2:2-3;
2) raw material is processed: woody raw material is removed the peel rear segment or section, or the draft raw material is cut into chunks, the raw material that cuts is put into the fermentation vat swollen;
3) slurrying, it comprises step:
Discongest: with raw material thread rolling and/or crowded stone roller of swollen;
Biological degradation: the raw material soaking after will discongesting is in the bacterium liquid that configures;
Wet sterilization: with the raw material after the above-mentioned biological degradation from bacterium liquid, pull out, draining, pass into water vapor sterilization;
The corase grind slurry: the raw material after will sterilizing carries out one section corase grind slurry, becomes fibrous bundle;
Fine grinding slurry: above-mentioned one section corase grind slurry is carried out two sections fine grinding slurries, make fibrous bundle disperse into single fiber;
Slurry screening: screening, filter through the fibrous bundle in the slurry behind one section corase grind slurry and the two sections fine grindings slurries, defibrination makes it make single fiber again;
Latent, pulp washing disappears: the above-mentioned paper pulp that makes is soaked in warm water, be used for cardboard processed.
The density of the bacterium liquid that wherein, forms in the step 1) is 6 * 10
7Individual/more than the ml bacterium.
Wherein, step 2) in, the woody raw material length that cuts is 3-4cm, the draft raw material length that cuts is 4-5cm.The described swollen time is 10-12h.
Wherein, the described biological degradation temperature of step 3) remains on 35-40 ℃, time 32-36 hour.The mass ratio of the raw material after discongesting and bacterium liquid is 1:6-8.Described steam sterilizing is water at atmospheric pressure steam sterilizing 10-30 minute.
Further, the soak solution step 2) behind the immersion raw material is through flocculating, precipitate, supernatant liquor recycling, throw out input methane-generating pit fermentation generation biogas.
The advantage of biological bacteria liquid pulping method provided by the invention is: 1) free from environmental pollution: waste liquid directly changes into organic fertilizer, reaches zero release, and zero pollutes.2) bio-pulping can play a protective role to fiber, compares with traditional chemical process, and present method can all reclaim full fiber and half fiber, has therefore improved slurry yield.Reduce energy consumption 30% than traditional slurrying; Paper pulp yield improves 20-25%.3) bio-pulping is to carry out lignin degradation under normal pressure, energy-conservation, reduction of discharging, low-carbon (LC).4) production cost is low, and economic benefit is high.Adopt the cardboard of this biological bacteria liquid pulping method preparation to reach the above level of AA level.
Byproduct of the present invention is transported to settling tank flocculation, precipitation, and supernatant liquor returns second stage employ, remakes presoak and uses.Contain gas chromatography and the nutrient for plants such as N, P, K such as abundant xylogen in the throw out, throw out mixes with old bacterium liquid (the raw material thickness bacterium liquid of repeatedly degrading also contains N, P, K, Fe and trace element) again, acidifying, then together enter in the marsh gas fermentation pool, produce biogas.With the Boiler Ash mixing granulation of natural pond slag, natural pond liquid and pulverizing, the granulation fertilizer dispatches from the factory at last, realizes zero release.
The biological flora of the present invention by providing above-mentioned contriver to obtain through long creation work, further perfect existing bio-pulping technology, this technology reduced the reaction times, improved the purity and the yield that make fiber, so that can be applied in actual production on a large scale.Applying biological bacterium of the present invention at short notice in the degrading plant body xylogen produce paper pulp, papermaking, the byproduct twice transformation becomes biogas, biogas coal supply, gas boiler for dual purpose combustion heating are saved coal consumption.At last, the natural pond slag is made organic fertilizer, has formed the economic circulation new model of " material organic transformation ", reaches the no waste discharging, namely zero release.Fundamentally solved the pollution difficult problem of pulping and papermaking industry.Energy-saving and emission-reduction, water-saving has reduced production cost, has improved the rate of utilization of material.
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and cooperation accompanying drawing are described in detail below.
Embodiment
The configuration of embodiment 1 bacterium liquid
The biological flora that adopts among the present invention on April 6th, 2012 at the common micro-organisms center (CGMCC of China Committee for Culture Collection of Microorganisms, No. 3, Yard 1, BeiChen xi Road, Chaoyang District, Beijing City) preservation, it comprises the silent Salmonella (Rheinheimera tangshanensis) of Tangshan Lay mattress that preserving number is CGMCC No.5972, acinetobacter lwoffii (Acinetobacter lwoffii), the preserving number that preserving number is CGMCC No.5973 is the Wickerhamomyces anomalus of CGMCC No.5975.
Above-mentioned composite flora is configured to the composite bacteria aqueous solution according to following mass ratio, is bacterium liquid:
The Tangshan Lay mattress Salmonella of writing from memory: acinetobacter lwoffii: Wickerhamomyces anomalus is 1-3:1-2:2-3; The density of the bacterium liquid that forms is 6 * 10
7Individual/more than the ml bacterium, for subsequent use.
The biological bacteria liquid slurrying of embodiment 2 woody raw materials
Take caragana microphylla as raw material, specify the biological bacteria liquid pulping method when adopting woody raw material.All the other woody raw materials, for example the bio-pulping method of willow, eucalyptus can be carried out with reference to this technique.
When wherein adopting caragana microphylla, composite flora is configured according to following mass ratio:
The Tangshan Lay mattress Salmonella of writing from memory: acinetobacter lwoffii: Wickerhamomyces anomalus is 1:2:2;
When adopting willow, composite flora is configured according to following mass ratio:
The Tangshan Lay mattress Salmonella of writing from memory: acinetobacter lwoffii: Wickerhamomyces anomalus is 2:1:2;
When adopting eucalyptus, composite flora is configured according to following mass ratio:
The Tangshan Lay mattress Salmonella of writing from memory: acinetobacter lwoffii: Wickerhamomyces anomalus is 2:1:3.
Specifically please refer to Fig. 1, the flow process of biological bacteria liquid pulping method is divided into three phases: preparatory stage, slurrying workshop section and byproduct workshop section.
(1) preparatory stage: 1-4
1)-2): the caragana microphylla that harvesting is returned carries out the separation of skin bar.Adopt winnowing machine or other mechanical separation all can.After the skin bar separates, skin is inputted organic feed workshop processing feed, the bar after the decortication is inputted next program.
3) with bar segment on cutting machine, length is 3-4 ㎝, and angle is for well, to increase infiltrating area.
4) the branch section input after will peeling soak in storehouse or the fermentation vat wash, cold soaking, at first with foreign material flush awaies such as raw material appearance earth, soak simultaneously, water temperature is natural temperature, the time with soak into, swollen is as the criterion 10-12h.After the liquid muddiness after repeatedly soaking, supernatant liquor can also reuse after flocculating, precipitating.Biogas is produced in the fermentation of throw out input methane-generating pit.
More than four the step can be that intermittent type also can be linkage type.
(2) slurrying workshop section: 5-12
5) discongest: with the branch section input thread-rolling machine of swollen or squeeze grind, kneading machine comes the innovation wood segment structure, makes it loose one-tenth wood wool shape, is conducive to the biological bacteria infiltration, brings into play its Degradation.
6) biological degradation: in the raw material input biological bacteria degraded storehouse or tank after will discongesting, be immersed in the bacterium liquid of embodiment 1 preparation, the mass ratio of the raw material after discongesting and bacterium liquid is 1:6, and temperature remains on 35-40 ℃, time 32-36 hour.The xylogen degradation reaction occurs under the condition of biological bacteria, brings into play its single-minded effect.
7) wet sterilization: after raw materials pretreatment is finished, with raw material from bacterium liquid, pull out, draining, be input in the steam storehouse, pass into water at atmospheric pressure steam 10-30 minute sterilization.Paste roller mill is inputted with raw material in the lower end.
8) corase grind slurry: carry out one section corase grind slurry in the raw material input high-density paste mill after will sterilizing, become coarse fiber bundle.
9) fine grinding slurry: enter again high-density paste mill from the coarse particles of above-mentioned output and carry out the fine grinding slurry, make fibrous bundle disperse into single fiber.
10) slurry screening: in the slurry behind two sections defibrinations, contain the minority fibrous bundle, need through screening, filter tow, defibrination has reached single fiber again.
11) latent, the pulp washing that disappears: the paper pulp behind corase grind slurry and fine grinding slurry, be subjected to mechanical friction, major part is bended, torsional deformation, soaks the fiber deflection that the elimination defibrination causes in warm water, makes it to unfold.
12) cardboard processed: with the pulping liquor of above-mentioned preparation input paper machine, cardboard processed after copying the technical process such as paper.
(3) byproduct stage: A-C
Isolated caragana microphylla skin contains abundant nutritive ingredient among the A, 3, and fermentation changes into ox, sheep feed.
After the liquid muddiness through repeatedly soaking, washing among the B, 4, through flocculation, precipitation, the supernatant liquor recycling, the fermentation of throw out input methane-generating pit produces biogas, passes into the coal gas boiler for dual purpose and does fuel, can play effect of energy.
C, biological organic fertilizer: natural pond slag, natural pond liquid after the methane-generating pit fermentation are the biological organic fertilizers that enriches, and liquid topdresses as farm crop and flower nutrient solution uses, and the solid granulation is made base manure and used, and all is green fertilizers.
Paper physical property index determining result please see following table 1 for details behind the defibrination, and every data have all reached excellent fluting board AA level level (table 3):
Table 1
The biological bacteria liquid slurrying of embodiment 3 draft raw materials
Take wheat straw as raw material, specify the biological bacteria liquid pulping method when adopting the draft raw material.All the other draft raw materials, for example the bio-pulping method of wheat straw, straw, cornstalk can be carried out with reference to this technique.
When wherein adopting wheat straw, composite flora is configured according to following mass ratio:
The Tangshan Lay mattress Salmonella of writing from memory: acinetobacter lwoffii: Wickerhamomyces anomalu
sBe 2:1:3;
When adopting straw, composite flora is configured according to following mass ratio:
The Tangshan Lay mattress Salmonella of writing from memory: acinetobacter lwoffii: Wickerhamomyces anomalu
sBe 3:1:3;
When adopting cornstalk, composite flora is configured according to following mass ratio:
The Tangshan Lay mattress Salmonella of writing from memory: acinetobacter lwoffii: Wickerhamomyces anomalu
sBe 2:2:3.
Specifically please refer to Fig. 2, the flow process of biological bacteria liquid pulping method is divided into three phases: preparatory stage, slurrying workshop section and byproduct workshop section.
(1) preparatory stage: 1,4
The segment that wheat straw is cut into 4-5cm, input soak in storehouse or the fermentation vat wash, cold soaking, at first with foreign material flush awaies such as raw material appearance earth, soak simultaneously, water temperature is natural temperature, the time with soak into, swollen is as the criterion 10-12h.After the liquid muddiness after repeatedly soaking, supernatant liquor can also reuse after flocculating, precipitating.Biogas is produced in the fermentation of throw out input methane-generating pit.
(2) slurrying workshop section: 5-12 and (three) byproduct stage: A-C are with embodiment 2, and wherein employed biological bacteria such as embodiment 1 do not repeat them here, and wherein during biological degradation, the mass ratio of the raw material after discongesting and bacterium liquid is 1:8.
Paper physical property index determining result please see following table 2 for details behind the defibrination.
Table 2
The quality index of table 3 Corrugating Base Paper
Although the present invention discloses as above with preferred embodiment; so it is not to limit the present invention; any person of ordinary skill in the field; without departing from the spirit and scope of the present invention; when can doing a little change and improvement, so protection scope of the present invention is as the criterion when looking the claim person of defining.