A kind of organic fertilizer and its production method using sludge production
Technical field
The present invention relates to field of organic fertilizer production, specially a kind of organic fertilizer and its producer produced using sludge
Method.
Background technology
For guarantee, we have clean domestic water, basic each city Dou You sewage treatment plants.However, sewage
The domestic sludge that treatment plant generates, always is the problem of allowing environmental protection administration's headache, because these sludge are rich in large amount of organic
Matter and pathogen, worm's ovum, ruderal species are also easy to produce the raw mosquitos and flies of stench, evil, pollution environment.It is main at present to use landfill, fill out sea and burn
Three kinds of processing methods are burnt, the processing method of the prior art easily causes secondary environmental pollution and wastes a large amount of organic manure resource,
Sludge yield is huge and complicated component, how to sludge treatment with using having become the problem of concerned.Sludge is that have
Living resources, as can rationally utilizing can not only then turn waste into wealth, moreover it is possible to increase economic benefit, at present both at home and abroad at each sewage
The method for sludge treatment of reason factory mainly has drying, digestion, compost, burning, utilizes.These methods are continuous in engineering practice
Expose some shortcoming and defect:
1st, sludge digestion, sludge digestion technology mainly have two kinds of aerobic sigestion and anaerobic digestion.Anaerobic digestion methane phase can
To offset the processing cost of partial sludge, aerobic sigestion operating cost is higher, and application is less.Self-heating developed in recent years
Aerobic sigestion technology is a kind of beneficial trial, but the technology only has small-scale engineer application in America and Europe, but need to there are still residue
It handles, the country not yet reports.
2nd, sludge sanitary landfills, it is aqueous for the sludge of landfill with the appearance of new sludge blended landfill shale standard
Rate must be down to less than 60%.It is individually added unlike PAM with traditional chemical conditioning process, in order to ensure dehydration efficiency, this sets
The medicament that standby pre-conditioning adds is inorganic, such as lime, aluminium salt and molysite, this technology take up an area it is big, there are secondary pollution,
It can not later-stage utilization.
3rd, sludge composting is agricultural, there is agricultural difficult point after sludge composting, and compost treatment needs certain technical conditions, cost
It is high;Product difficulty touches the mark requirement and market product sales difficulty after compost treatment.Mainly there are anaerobic composting and aerobic compost two
Kind.Due to using aerobic compost mode, sludge organic matter degradation is more efficient, and foul gas is less, and the period is short, therefore most of heap
Fertile engineering system is all using aerobic compost, and this technology is taken up an area greatly, and still secondary pollution is of high cost.
4th, pyrolyzing sludge is that sludge is sent into pyrolysis oven, and the gas come out from drier is in cooling column through cooling down condensing go
It can in a combustion chamber be used as combustion gas after water.It is pyrolyzed the gas generated recyclable oil or heat after cooling.Gas imports
It burns at 800 DEG C or more combustion chamber.The high-temperature gas that combustion chamber generates generates steam for drying in waste heat boiler, if energy
Can be in combustion chamber auxiliary fuel when insufficient, this technology operation cost is excessively high, and market is beyond affordability.
Invention content
In order to overcome the shortcomings of prior art, the present invention provides a kind of organic fertilizer using sludge production and its production
Method carries out chemical breakdown by the pernicious gas for generating sludge, ingredient useful in sludge is adequately tied with organic fertilizer
It closes, can effectively solve the problem that the problem of background technology proposes.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of organic fertilizer produced using sludge, according to parts by weight, is made of the following raw material:
300-600 parts of sludge drying particles, 60-80 parts of turf mixtures, 1-2 parts of calcium phosphate, potassium chloride and ammonium chloride with
And 15-25 parts of the mixture of calcium nitrate, 20-60 parts of fowl and animal excrement mixture, sawdust and stalk comminuted material mixture 30-80
Part.
Further, 450 parts of particle of sludge drying, 70 parts of turf mixture, 1 part of calcium phosphate, potassium chloride and ammonium chloride with
And 20 parts of nitric acid calcium compound, 50 parts of fowl and animal excrement mixture, sawdust and stalk comminuted material 70 parts of mixture.
Further, the turf mixture includes the mixture of powders after weeds, straw, stalk and branch burning.
Further, the mixture of the potassium chloride and ammonium chloride and calcium nitrate is 1 according to mass ratio:4:20.
In addition, the present invention also provides a kind of production method of the organic fertilizer using sludge production, include the following steps:
S100, sludge is put into sludge container and is fermented, fermentation time is 3-7 days, completes later in fermentation
Then gas in sludge container adds in turf mixture, chlorine by the sodium hydroxide solution that purity is 20% in sludge
The mixture for changing potassium and the mixture of ammonium chloride and calcium nitrate, sawdust and stalk comminuted material is stirred;
S200, sludge is sent into evaporation tank, is toasted by hot-air by the moisture evaporation in sludge to 15%-30%,
And squeeze and form solid soil block shape, soil block is then crushed to a diameter of 3mm-5mm's by block-like soil by pulverizer
Particle, and high-temperature sterilization is carried out to grogs;
S300, fowl and animal excrement mixture are by after being exposed to the sun, forming solid-state, and carry out high-temperature sterilization, later in outdoor
It places 2-3 days and is air-dried;
S400, grogs and the fowl and animal excrement mixture mixing after drying, and stir evenly.
Further, in the step s 100, the gas in sludge container passes through the specific of 20% sodium hydroxide solution
Step is:
S101, sludge container bottom by pressing upwards on the volume-diminished of sludge container, by sludge container
The gas of upper part is discharged to the tank body equipped with 20% sodium hydroxide solution by the discharge line at top;
S102, sodium hydroxide solution is concentrated, and using the sodium hydroxide solution after concentration as PH regulated values to dirt
Mud carries out acid-base value adjusting.
Further, in step s 200, the concrete mode of grogs high-temperature sterilization is heat-flash air, wherein disappearing by high temperature
The time of poison is 5-8 minutes, and the temperature sterilized is 150-180 DEG C.
Compared with prior art, the beneficial effects of the invention are as follows:
(1) present invention, by the combination with organic fertilizer, adds in micro inorganic fertilizer by the way that sludge is carried out storage fermentation
So that the nutrient of the fertilizer is more sufficient, do not need to apply chemical fertilizer again, and the exhaust gas for generation of fermenting is comprehensively utilized, pass through
Sodium hydroxide solution fixes nutritional ingredient therein, comprehensively utilizes again into fertilizer;
(2) present invention is different with common fertilizer, and general fertilizer needs are buried in beneath or need to be exposed to soil
Surface, and the fertilizer can be mixed with soil, property is directly sprinkling upon near the root of plant i.e. closer to the property of soil
Can, it can directly be absorbed by root system of plant, and soil texture will not be had an impact, reduce its nutritional ingredient structure, had
The standby ability that can be recycled.
Description of the drawings
Fig. 1 is the overall flow schematic diagram of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of organic fertilizer produced using sludge, according to parts by weight, is made of the following raw material:
300-600 parts of sludge drying particles, 60-80 parts of turf mixtures, 1-2 parts of calcium phosphate, potassium chloride and ammonium chloride with
And 15-25 parts of the mixture of calcium nitrate, 20-60 parts of fowl and animal excrement mixture, sawdust and stalk comminuted material mixture 30-80
Part.
Further, 450 parts of particle of sludge drying, 70 parts of turf mixture, 1 part of calcium phosphate, potassium chloride and ammonium chloride with
And 20 parts of nitric acid calcium compound, 50 parts of fowl and animal excrement mixture, sawdust and stalk comminuted material 70 parts of mixture.
Further, the turf mixture includes the mixture of powders after weeds, straw, stalk and branch burning.
Further, the mixture of the potassium chloride and ammonium chloride and calcium nitrate is 1 according to mass ratio:4:20.
In addition, the present invention also provides a kind of production method of the organic fertilizer using sludge production, include the following steps:
Step S100, sludge is put into sludge container and fermented, fermentation time is 3-7 days, is completed in fermentation
Afterwards then the gas in sludge container is added in into turf mixing by the sodium hydroxide solution that purity is 20% in sludge
The mixture of the mixture of object, potassium chloride and ammonium chloride and calcium nitrate, sawdust and stalk comminuted material is stirred.
In above-mentioned steps, the adjusting of sludge acid-base value is further included, the wherein gas in sludge container passes through 20%
Sodium hydroxide solution the specific steps are:
Step S101, the bottom of sludge container is by pressing upwards on the volume-diminished of sludge container, by sludge collection
The gas of part is discharged to the tank body equipped with 20% sodium hydroxide solution by the discharge line at top in vanning.
The gas that sludge generally generates mainly has methane, carbon dioxide and hydrogen sulfide, and hydrogen sulfide is main polluted gas,
And this 3 kinds of gases can then be neutralized to hydrogen sulfide by sodium hydroxide solution, and sodium hydroxide solution and carbon dioxide can be anti-
Sodium carbonate or sodium bicarbonate should be obtained, sodium carbonate and sodium bicarbonate can also recycle.
Step S102, sodium hydroxide solution is concentrated, and using the sodium hydroxide solution after concentration as PH regulated values
Acid-base value adjusting is carried out to sludge.
It is in addition, after the turf mixture fully burns including weeds, part straw, stalk and branch and inabundant
Ash behind part after burning, fully burning is then mixed with sludge, and the opportunity of mixing is is preferred when sludge can also stir dynamic.
It may further be preferable that potassium chloride, ammonium chloride and nitric acid calcium compound are added to make the nutrient of fertilizer more to fill
Foot more comprehensively, does not need to carry out again to add chemical fertilizer, can need progress dosage, Ke Yifen according to plant when adding these types of substance
Class, some can add, some can be not added with.
S200, sludge is sent into evaporation tank, is toasted by hot-air by the moisture evaporation in sludge to 15%-30%,
And squeeze and form solid soil block shape, soil block is then crushed to a diameter of 3mm-5mm's by block-like soil by pulverizer
Particle, and high-temperature sterilization is carried out to grogs;
S300, fowl and animal excrement mixture are by after being exposed to the sun, forming solid-state, and carry out high-temperature sterilization, later in outdoor
It places 2-3 days and is air-dried.
Wherein, fowl and animal excrement mixture carries out drying of being exposed to the sun first, and the degree of drying is also required to grasp, be pinched with hand,
Firmly can pinching then just, should not be too dry, also unsuitable overly wet, fowl and animal excrement mixture has further included part great soil group impurity.
S400, grogs and the fowl and animal excrement mixture mixing after drying, and stir evenly.
Further, in step s 200, the concrete mode of grogs high-temperature sterilization is heat-flash air, wherein disappearing by high temperature
The time of poison is 5-8 minutes, and the temperature sterilized is 150-180 DEG C.
Due to containing many machine substance and pathogen, worm's ovum, ruderal species etc. in sludge, these substances are for fertilizer
It does not act on then, grass and crops contention nutrient will be grown after germinateing as ruderal species, it is therefore desirable to by 150-180 DEG C
High-temperature process, eliminate a part of unwanted substance to reach.
It should be further noted that during entire stirring and heating, it is straight that a part of energy can be first filtered in sludge
The sewage under filter is taken over, is directly discharged to the processing that cesspool carries out sewage, remaining soil block includes after reducing sludge evaporation
Some objectionable impurities are excessive, so as to influence the actual effect of fertilizer.
For the technical program, by the way that sludge carried out storage fermentation, and with the combination of organic fertilizer, add in micro
Inorganic fertilizer so that the nutrient of the fertilizer is more sufficient, does not need to apply chemical fertilizer again, and the exhaust gas for generation of fermenting is carried out comprehensive profit
With, nutritional ingredient therein is fixed by sodium hydroxide solution, is comprehensively utilized again into fertilizer, the fertilizer can and soil
Mixing, closer to the property of soil, the root for being directly sprinkling upon plant nearby, can directly be inhaled property by root system of plant
It receives, and soil texture will not be had an impact, reduce its nutritional ingredient structure, have the ability that can be recycled.
It is obvious to a person skilled in the art that the present invention is not limited to the details of above-mentioned exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requirement rather than above description limit, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.