The silent Salmonella of a kind of Tangshan Lay mattress and prepare the method for textile fibres with it
Technical field
The present invention relates to a kind of textile fiber, relate in particular to the silent Salmonella of a kind of Tangshan Lay mattress and prepare the method for textile fibres with it.
Background technology
In recent years, day by day exhausted along with the petrochemical industry resource, bast-fibre enjoys doting on of human consumer because of having the good characteristics such as ecology, environmental protection, and its demand is at increase year after year, global natural fiber speedup 8% in every year.The maximum characteristics of bast-fibre raw material are that fibre content is high, and elongated being conducive to of fiber interweaves, and intensity is good; The fiber cell is little, cell wall is thick, wall chamber ratio is large; Because the bast-fibre lumen is thin, fiber trivial matter opaqueness is high.But its shortcoming is fiber is not easy wire-dividing broom purification, makes the fabric air-permeability degree of making low.
From the crudefiber crop raw material, prepare fiber in the prior art, how by chemical process, the waste liquor contamination sublimity that produces during chemical process is produced, damage to land, polluted air, and also power consumption is high, and power consumption and water consumption are large.Do not meet national energy-saving and reduce discharging policy.Material can not reach the Efficient Cycle recycling.Chemicals can't separate from waste liquid, and organism and chemicals mix, and organism also can't be reused, and causes a large amount of losses.
Therefore, be necessary to develop biological fibre technology processed, fundamentally solve an above-mentioned pollution difficult problem, energy-saving and emission-reduction, water-saving reduces production costs and improves the rate of utilization of material.
Summary of the invention
The objective of the invention is to overcome the defects of the chemical legal system fiber of prior art, a kind of new preparation fiber biological bacteria is provided.The contriver has obtained to be suitable for preparing the biological bacteria that can realize the foregoing invention purpose of fiber by long screening operation.
Particularly, biological bacteria provided by the invention is the silent Salmonella (Rheinheimera tangshanensis) of a kind of Tangshan Lay mattress, and its preserving number is CGMCC No.5972.
Lay mattress silent Salmonella in described Tangshan can be used in the preparation textile fibres.
The present invention also provides a kind of method for preparing textile fibres, and it mainly comprises step:
1) configuration of bacterium liquid: the silent Salmonella of above-mentioned Tangshan Lay mattress is mixed with water, form bacterium liquid;
2) raw material is processed: the crudefiber crop raw material is cut into chunks, and raw material is put into the fermentation vat swollen;
3) preparation of fiber, it comprises step:
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;
Obtaining of fiber: the raw material after will sterilizing carries out one section corase grind, becomes fibrous bundle; Above-mentioned one section corase grind is carried out two sections fine grindings, make fibrous bundle disperse into single fiber; Screening, filter through the fibrous bundle in the slurries after one section corase grind and the two sections fine grindings, defibrination makes it make single fiber again;
Dry, combing: the above-mentioned fiber that makes is soaked in warm water, and then oven dry, combing is for the preparation of textile fibres.
The density of the bacterium liquid that wherein, forms in the step 1) be 6,000 ten thousand/more than the ml bacterium.
Wherein, step 2) in, described crudefiber crop raw material is flax, ramie, yellow bluish dogbane or sisal hemp.The described swollen time is 10-12h.
Wherein, the described biological degradation temperature of step 3) remains on 35-40 ℃, time 34-36 hour.The mass ratio of the raw material after discongesting and bacterium liquid is 1:7-9.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 that biological method provided by the invention prepares fiber is: 1) free from environmental pollution: waste liquid directly changes into organic fertilizer, reaches zero release, and zero pollutes.2) biological method 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 yield.3) biological method is degraded under normal pressure, energy-conservation, reduction of discharging, low-carbon (LC).4) production cost is low, and economic benefit is high.
Byproduct of the present invention is transported to settling tank flocculation, precipitation, and supernatant liquor returns second stage employ, remakes presoak and uses.Contain the nutrient for plants such as abundant gas chromatography and N, P, K 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 bacteria of the present invention by providing above-mentioned contriver to obtain through long creation work, the further perfect cellulosic technology of existing preparation, 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 degrading plant obtains fiber, and the byproduct twice transformation becomes biogas, and 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 chemical preparation fiber of the prior art.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.
Description of drawings
Fig. 1 is the schema according to the preparation textile fiber of one embodiment of the invention.
Embodiment
The configuration of embodiment 1 bacterium liquid
The biological bacteria 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 is CGMCC No.5972 number the silent Salmonella (Rheinheimera tangshanensis) of Tangshan Lay mattress for preserving number.
Above-mentioned biological bacteria is mixed with water, forms bacterium liquid, the density of the bacterium liquid of formation be 6,000 ten thousand/more than the ml bacterium, for subsequent use.
Embodiment 2 prepares fiber from flax
Take flax as raw material, specify the preparation method of fiber.
Specifically please refer to Fig. 1, the preparation method's of fiber flow process is divided into three phases: preparatory stage, fiber workshop section and byproduct workshop section.
(1) preparatory stage: 1,4
Flax that harvesting is returned immerse 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 10-12 hour.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) fiber workshop section: 6-12
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 1:7-9, and temperature remains on 35-40 ℃, time 34-36 hour.Under the condition of biological bacteria DeR occuring, 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) obtaining of fiber: the raw material after will sterilizing carries out one section corase grind, becomes fibrous bundle.
9) above-mentioned one section corase grind is carried out two sections fine grindings, make fibrous bundle disperse into single fiber.
10) multiple sieve: screening, filter through the fibrous bundle in the slurries after one section corase grind and the two sections fine grindings, defibrination makes it make single fiber again.
11) dry, combing: the above-mentioned fiber that makes is soaked in warm water, then oven dry, combing, drawing-off, it is parallel that fiber is further stretched.
12) preparation textile fiber: adopt further Technology to prepare textile fiber the fiber of above-mentioned acquisition.
(3) byproduct stage: A-C
Isolated raw material residuum 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.
The physical performance index measurement result of the fiber that obtains please see table 1 for details.
Embodiment 3 prepares Mierocrystalline cellulose from ramie
Concrete preparation technology is with embodiment 2.When difference was biological degradation, the mass ratio of the raw material after discongesting and bacterium liquid was 1:7.
The physical performance index measurement result of the fiber that obtains please see table 1 for details.
Embodiment 4 prepares Mierocrystalline cellulose from yellow bluish dogbane
Concrete preparation technology is with embodiment 2.When difference was biological degradation, the mass ratio of the raw material after discongesting and bacterium liquid was 1:8.
The physical performance index measurement result of the fiber that obtains please see table 1 for details.
Embodiment 5 prepares Mierocrystalline cellulose from sisal hemp
Concrete preparation technology is with embodiment 2.When difference was biological degradation, the mass ratio of the raw material after discongesting and bacterium liquid was 1:9.
The fiber physical property index determining result who obtains please see table 1 for details.
Table 1
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.