CN107266138B - Jujun grass compost and preparation method thereof - Google Patents

Jujun grass compost and preparation method thereof Download PDF

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Publication number
CN107266138B
CN107266138B CN201710538358.3A CN201710538358A CN107266138B CN 107266138 B CN107266138 B CN 107266138B CN 201710538358 A CN201710538358 A CN 201710538358A CN 107266138 B CN107266138 B CN 107266138B
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compost
animal excrement
pennisetum hydridum
mixture
water content
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CN107266138A (en
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朱冬梅
潘锐进
周兵
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Guangzhou Rizhijian Ecological Environment Technology Co ltd
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    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F3/00Fertilisers from human or animal excrements, e.g. manure
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/40Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

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  • Organic Chemistry (AREA)
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Abstract

The invention relates to a Jujun grass compost and a preparation method thereof. The Jujun grass compost is prepared from a mixture; the mixture comprises the following components in parts by weight: 2-5: 2-8 of animal excrement, pennisetum hydridum and wood chips; the water content of the mixture is 50-65%. The giant fungus grass compost mainly takes animal excrement, giant fungus grass and wood dust as raw materials, greatly shortens the decay time of the animal excrement, improves the decay speed of the animal excrement and the fermentation temperature of a compost body, effectively shortens the composting time and improves the decay degree of the excrement, and meanwhile, the giant fungus grass compost is rich in nutrition.

Description

Jujun grass compost and preparation method thereof
Technical Field
The invention relates to compost, in particular to giant bacterium grass compost and a preparation method thereof.
Background
The compost is an organic fertilizer, contains more nutrient substances than the chemical fertilizer, has long and stable fertilizer effect, is beneficial to promoting the formation of a soil solid particle structure, can increase the water-retaining, heat-insulating, air-permeable and fertilizer-retaining capabilities of soil, and can make up the defects that the nutrient contained in the chemical fertilizer is single, the soil is hardened by singly using the chemical fertilizer for a long time, and the water-retaining and fertilizer-retaining performances are reduced when the compost is mixed with the chemical fertilizer.
At present, straw compost is mainly used for composting, but straw nutrient substances are low, the temperature rise process of the compost is long, the temperature is low, and the substances are decomposed slowly and at a low degree.
Disclosure of Invention
Based on the above, the need is to provide a Jujun grass compost which has rich nutrition, short material decay time, high degree, fast fermentation temperature rise and high temperature.
A Jujun grass compost is prepared from mixture; is prepared from a mixture; the mixture comprises the following components in parts by weight: 2-5: 2-8 of animal excrement, pennisetum hydridum and wood chips;
the water content of the mixture is 50-65%.
In one embodiment, the mixture comprises, by weight, 4-6: 2-4: 4-6 animal excrement, pennisetum hydridum and wood chips.
In one embodiment, the moisture content of the mixture is 58-62%.
In one embodiment, the water content of the Jujun grass is 10-90%, the water content of the sawdust is 10-20%, and the water content of the animal excrement is 20-70%.
In one embodiment, the particle size of the wood chips is less than 1 cm.
In one embodiment, the animal waste is swine waste.
The invention also provides a preparation method of the pennisetum hydridum compost, which comprises the following steps:
crushing the pennisetum hydridum;
mixing the crushed pennisetum sinese roxb with the animal excrement and the wood chips, piling, covering a film on the surface, and fermenting.
In one embodiment, the natural fermentation comprises the following steps:
(1) naturally fermenting for 4-6 days, and turning to obtain compost semi-finished product;
(2) covering a film on the surface of the compost semi-finished product, and performing secondary natural fermentation; during the period, the pile is turned once every 5 to 6 days, and the pile is covered by a thin film after each turning.
In one embodiment, the method for breaking the pennisetum hydridum comprises the following steps: crushing the pennisetum hydridum to a length of less than 4 centimeters.
Compared with the prior art, the invention has the following beneficial effects:
the giant fungus grass compost provided by the invention mainly takes animal excrement, giant fungus grass and wood chips as raw materials, fully utilizes the high-calorific-value characteristic formed by abundant lignin, carbohydrates, proteins, sugar and the like contained in the giant fungus grass, and combines loose and porous wood chips to improve the heat-insulating property of the compost, so that the decay time of the animal excrement is greatly shortened, the decay speed of the animal excrement and the fermentation temperature of the compost are improved, the composting time is effectively shortened, the decay degree of the excrement is improved, and meanwhile, the compost is rich in nutrition.
Wherein the time for raising the temperature of the piled body to the highest temperature is shortened by more than 60 percent compared with the time for raising the temperature of the piled body to the highest temperature without containing the giant-fungus grass compost, and the highest temperature of the piled body is 30 to 40 percent higher than the time for raising the temperature of the piled body to the highest temperature without containing the giant-fungus grass compost. Due to the high temperature of the compost, the animal excrement is decomposed quickly and highly, and the compost finished product is loose and has little peculiar smell.
The preparation method of the Jujun grass compost is simple and easy, has mild conditions, is easy to operate, does not pollute the environment, improves the utilization efficiency of biological resources, solves the problems of long composting time of organic fertilizers, low temperature of compost and low degree of decomposition, and has extremely profound social significance and economic value.
Detailed Description
The pennisetum sinese roxb compost and the preparation method thereof according to the present invention will be described in further detail with reference to the following examples.
The water content of the Jujun grass adopted in the embodiment of the invention is 10-90%, the water content of the sawdust is 10-20%, and the water content of the animal excrement is 20-70%, and the water content can be specifically adjusted according to the water content required by the mixture.
Example 1
The pennisetum hydridum compost is prepared from a mixture, wherein the mixture comprises the following components in a weight ratio of 5: 3: 5 animal excrement, pennisetum hydridum and wood chips (the particle size is less than 1 cm). The water content of the mixture is 60%.
The preparation method of the pennisetum hydridum compost comprises the following steps:
step 1, pretreating the Jujun grass: crushing the Jujun grass to below 4 cm;
step 2, mixing and piling the crushed pennisetum sinese roxb, the animal excrement and the wood chips according to a weight ratio to form a cone, and covering a thin film with good air permeability on the surface of a pile body;
step 3, naturally fermenting the pile for 4-6 days, turning the pile and covering the pile with a breathable film to form a compost semi-finished product; wherein, the adopted breathable film has the main function of heat preservation, but not oxygen isolation, and the specific type can be a plastic woven bag (snakeskin bag);
and 4, performing secondary fermentation, wherein the pile is turned once every 5 to 6 days, and the pile is covered by a breathable film after each pile turning until the compost is fermented into a finished product, which reaches the standard of organic fertilizers (NY520 to 2012) and is generally 15 to 20 days.
Example 2
The pennisetum hydridum compost is prepared from a mixture; the mixture comprises the following components in percentage by weight: 2: 8 animal excrement, pennisetum hydridum and wood chips. The water content of the mixture is 60%.
The preparation method of the pennisetum hydridum compost is the same as that of the example 1.
Example 3
The pennisetum hydridum compost is prepared from a mixture; the mixture comprises the following components in percentage by weight 3: 5: 2 animal excrement, pennisetum hydridum and wood chips. The water content of the mixture is 60%.
The preparation method of the pennisetum hydridum compost is the same as that of the example 1.
Example 4
The pennisetum hydridum compost is prepared from a mixture; the mixture comprises the following components in percentage by weight: 3: 5 animal excrement, pennisetum hydridum and wood chips. The water content of the mixture is 50%.
The preparation method of the pennisetum hydridum compost is the same as that of the example 1.
Example 5
The pennisetum hydridum compost is prepared from a mixture; the mixture comprises the following components in percentage by weight: 3: 5 animal excrement, pennisetum hydridum and wood chips. The water content of the mixture is 65%.
The preparation method of the pennisetum hydridum compost is the same as that of the example 1.
Comparative example 1
This comparative example is a compost, the raw materials and preparation method of which are similar to example 1, except that: the Jujun grass was not used.
Comparative example 2
This comparative example is a compost, the raw materials and preparation method of which are similar to example 1, except that: the wood chips were not used.
Comparative example 3
This comparative example is a compost, the raw materials and preparation method of which are similar to example 1, except that: the weight ratio of the animal excrement, the pennisetum hydridum and the wood chips is 5: 8: 5.
the preparation of the compost of examples 1 to 5 and comparative examples 1 to 3 was recorded and the results are shown in table 1:
TABLE 1
Figure BDA0001341207760000041
Figure BDA0001341207760000051
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (4)

1. A preparation method of Jujun grass compost is characterized in that the Jujun grass compost is prepared from a mixture; the mixture comprises the following components in a weight ratio of 4-6: 2-4: 4-6 animal excrement, pennisetum hydridum and wood chips;
the water content of the mixture is 58-62%;
the animal excrement is pig manure;
the preparation method of the Jujun grass compost comprises the following steps:
crushing the pennisetum hydridum;
mixing the crushed pennisetum sinese roxb with the animal excrement and the wood chips, piling, covering a film on the surface, and fermenting;
the fermentation comprises the following steps:
(1) naturally fermenting for 4-6 days, and turning to obtain compost semi-finished product;
(2) covering a film on the surface of the compost semi-finished product, and performing secondary natural fermentation; during the period, the pile is turned once every 5 to 6 days, and the pile is covered by a thin film after each turning.
2. The method for preparing the pennisetum hydridum compost according to claim 1, wherein the particle size of the wood chips is less than 1 cm.
3. The method for preparing the pennisetum hydridum compost according to claim 1, wherein the water content of the pennisetum hydridum is 10-90%; the water content of the sawdust is 10-20%; the water content of the animal excrement is 20-70%.
4. The method for preparing the pennisetum hydridum compost according to claim 1, wherein the method for crushing the pennisetum hydridum comprises the following steps: crushing the pennisetum hydridum to a length of less than 4 centimeters.
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CN109160832A (en) * 2018-08-30 2019-01-08 安顺市平坝区三习生态农业有限公司 A kind of production method of the organic farmyard manure of microorganism
CN112661369A (en) * 2020-12-25 2021-04-16 云南龙氏肥业有限公司 Method for treating municipal sludge by using pennisetum hydridum and sludge in synergistic circulating manner
CN115322023A (en) * 2022-08-16 2022-11-11 恩施硒圣植物科技有限公司 Biological selenium fertilizer with high organic selenium conversion rate and preparation method thereof

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Publication number Priority date Publication date Assignee Title
CN105272411A (en) * 2015-10-19 2016-01-27 江苏江达生态科技有限公司 Composting method for submerged plant
CN105432320A (en) * 2015-11-27 2016-03-30 李军 Method for cultivating edible/medicinal fungi by utilizing Juncao
CN105777231A (en) * 2016-03-17 2016-07-20 李军 Method of utilizing mushroom bran to make organic mushroom fertilizer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105272411A (en) * 2015-10-19 2016-01-27 江苏江达生态科技有限公司 Composting method for submerged plant
CN105432320A (en) * 2015-11-27 2016-03-30 李军 Method for cultivating edible/medicinal fungi by utilizing Juncao
CN105777231A (en) * 2016-03-17 2016-07-20 李军 Method of utilizing mushroom bran to make organic mushroom fertilizer

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