A kind of biodegradable fermentation bed and its application
Technical field
The invention belongs to environmental treatment field, and in particular to a kind of biodegradable fermentation bed and its application.
Background technology
In recent years, aquaculture industry of China fast development, cultivation level improve year by year.But scale raising is even modernized,
There are still a number of poultry of dying of illness.East China rivers float the report of dead pig, and arbitrarily abandoning sick dead pig, this shows
As making public.Dead livestock and poultry corpse not only has the phenomenon arbitrarily abandoned, or even has illegal retailer by dead livestock and poultry list marketing.
By taking pig as an example, according to statistics, Qinzhou City's live pig death toll 56900 in 2013.It is innoxious due to lacking spoil
Still there is the phenomenon for abandoning sick dead pig treatment technology, Qinzhou City surrounding area.Sick dead pig is hidden multiple pathogenic microorganisms, particularly people
Ill opportunistic pathogen, people easily cause morbidity to poultry altogether after contacting, or even dead.Therefore, sick dead pig is often that effective place is propagated and expanded to epidemic disease
Reason.It is also to ensure the important measure of public safety to animals died of illness harmless treatment.
In East Coastal developed regions, scale raising burns the method processing animal of spoil using large-scale incinerator
Corpse.Incinerator harmless treatment spoil, there is efficient quick, burning is thorough, can effectively kill the excellent of pathogenic microorganism
Point, also it is avoided that sick dead pig list marketing.But because burning facility price is high, maintenance is not easy, it is difficult to is pushed away in middle-size and small-size plant
It is wide to use.
Some large-scale plant that raises are in order to reduce cost, usually using the method processing spoil filled on the spot.It is but natural
Under the conditions of spoil degradation speed it is slower, and need a large amount of soils and excavator to be filled, this method is not at spoil
The long-term plan of reason.
Therefore, a kind of biodegradable fermentation bed, society is needed badly.
The content of the invention
It is right existing for prior art to solve the technical problem to be solved in the present invention is to provide a kind of biodegradable fermentation bed
The problem of spoil treatment effeciency is low.
The present invention also technical problems to be solved are to provide above-mentioned biodegradable fermentation bed answering in spoil of degrading
With
In order to solve the above technical problems, the technical solution adopted by the present invention is as follows:
A kind of biodegradable fermentation bed, it includes fermentation bed bed body, cement layer, padding layer, hypothallus and adsorption layer;Its
In, cement layer, padding layer, hypothallus and adsorption layer set gradually from bottom to up with fermentation bed bed body.
Wherein, described cement layer thickness is 10~20cm.
Wherein, described padding layer thickness is 20~50cm.
Wherein, described padding layer is mixed after the material block being pressed into swager by wooden chaff, bagasse and stalk powder
Laying forms;Wherein, the weight ratio of wooden chaff, bagasse and stalk powder is 1~3:1~3:1~3.
Wherein, described hypothallus thickness is 50~100cm.
Wherein, described hypothallus by methane slag, saccharomycete, bacillus subtilis and edible fungi residues mix after lay and
Into;Wherein, the weight ratio of methane slag, saccharomycete, bacillus subtilis and edible fungi residues is 30~50:2:1:20~30.
Wherein, 1~5 layer of mesh yarn of individual layer 50~100 is respectively provided between padding layer and hypothallus and hypothallus and adsorption layer
Cloth,
Wherein, described adsorbent layer thickness is 30~50cm.
Wherein, described adsorption layer is laid after being mixed by pulverized limestone, stalk powder and activated carbon and formed;Wherein, pulverized limestone,
The weight of stalk powder and activated carbon ratio is 2~5:3~5:1.
Application of the above-mentioned biodegradable fermentation bed in spoil of degrading is also within protection scope of the present invention.
Wherein, the operating procedure using product of the present invention degraded spoil is as follows:
(1) it is standby after crushing by methane slag and edible fungi residues exposure 7~10 days;
(2) methane slag after the crushing that will be obtained in saccharomycete freeze-dried powder, bacillus subtilis freeze-dried powder, step (1) and
It is standby that edible fungi residues after the crushing obtained in step (1) obtain matrix degradation after being sufficiently mixed;
(3) by step (2) to matrix degradation insert the hypothallus of fermentation bed of the present invention, and it is each to set remaining
Layer;After being ready to complete, ripener is sprayed into fermentation bed, after 5~10 days, the biodegradable fermentation bed can be used to animal of degrading
Corpse;
(4) after the spoil surface for needing to degrade being sprayed into upper oxalic acid aqueous solutions of potassium, it is embedded to after step (3) processing
In fermentation bed matrix degradation, degraded is completed after 7~12 days.
In step (3), the solvent of described ripener is water, and solute is glucose and ethanol;Wherein, the body of solute ethanol
Fraction is 15%, and the mass fraction of solute glucose is 5~9%.
In step (3), the weight ratio of ripener and matrix degradation is 1:10~15.
In step (3), described gauze is water-soluble in the ethanol of 20% volume fraction before matrix degradation surface is covered in
10~20s is soaked in liquid.
In step (4), in described oxalic acid aqueous solutions of potassium, the concentration of solute potassium oxalate is 0.5~1mol/L.
Beneficial effect:
Compared with prior art, product energy efficient degradation spoil of the present invention and other materials.Meanwhile product of the present invention
Degraded fall ill spoil when because the presence of adsorption layer, can effectively avoid disseminating for stench and epidemic disease disease.
Embodiment
According to following embodiments, the present invention may be better understood.It is however, as it will be easily appreciated by one skilled in the art that real
Apply the content described by example and be merely to illustrate the present invention, without should be also without limitation on sheet described in detail in claims
Invention.
The preparation of the fermentation bed of embodiment 1
Biodegradable fermentation bed, it includes fermentation bed bed body, cement layer, padding layer, hypothallus and adsorption layer;Wherein, water
Mud layer, padding layer, hypothallus and adsorption layer set gradually from bottom to up with fermentation bed bed body.
Wherein,
Cement layer thickness is 15cm;
Padding layer thickness is 30cm;It is mixed after the material being pressed into swager by wooden chaff, bagasse and stalk powder
Block laying forms;Wherein, the weight ratio of wooden chaff, bagasse and stalk powder is 1:1:1;
Hypothallus thickness is 75cm;It by methane slag, saccharomycete, bacillus subtilis and edible fungi residues mix after lay and
Into;Wherein, the weight ratio of methane slag, saccharomycete, bacillus subtilis and edible fungi residues is 40:2:1:25.
Adsorbent layer thickness is 40m;It lays after being mixed by pulverized limestone, stalk powder and activated carbon and formed;Wherein, lime
The weight ratio of powder, stalk powder and activated carbon is 5:3:1.
Wherein, 4 layers of mesh gauze of individual layer 100, gauze are respectively provided between padding layer and hypothallus and hypothallus and adsorption layer
Before matrix degradation surface is covered in, 10s is soaked in the ethanol water of 20% volume fraction.
Embodiment 2
Prepare the biodegradable fermentation bed described in 3 steps (1).Ripener is sprayed into fermentation bed, and (solvent is water, molten
Matter is glucose and ethanol;Wherein, the volume fraction of solute ethanol is 15%, the mass fraction of solute glucose for 6%), 5~
Spoil of degrading can be started after 10 days;Wherein, in step (3), the weight ratio of ripener and matrix degradation is 1:12.
The sick pig corpse for choosing 3 30kg or so is embedded in the hypothallus of biodegradable fermentation bed respectively, after burying daily
With temperature in pin type thermometer measure hypothallus.Each day temperature is as shown in the table (to be taken 3 groups of average value, is dropped in advance if any 1/2 group
It has been solved that, then calculate remaining several groups average value).When the temperature measured declines, open hypothallus and check whether to have degraded
Into.
Wherein, in 3 groups of experiments, sick pig corpse has two to decompose completion at the 7th day, has 1 to be decomposed at the 8th day and completes.With
Prior art is compared, and efficiency is very high.Meanwhile in degradation process, almost free from extraneous odour sheds.