CN101723524B - Biogas slurry pretreatment method and device for foliar fertilizer and drip irrigation fertilizer - Google Patents
Biogas slurry pretreatment method and device for foliar fertilizer and drip irrigation fertilizer Download PDFInfo
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- CN101723524B CN101723524B CN2009102311201A CN200910231120A CN101723524B CN 101723524 B CN101723524 B CN 101723524B CN 2009102311201 A CN2009102311201 A CN 2009102311201A CN 200910231120 A CN200910231120 A CN 200910231120A CN 101723524 B CN101723524 B CN 101723524B
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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Abstract
The invention relates to a biogas slurry pretreatment method for a foliar fertilizer and a drip irrigation fertilizer, and the biogas slurry pretreatment method comprises the steps of pumping biogas slurry in a biogas slurry collection tank to a water distribution pipe arranged in a cobblestone layer in a biogas slurry pretreatment tank through a self-control device, evenly distributing the biogas slurry in a small broken stone layer through the water distribution pipe, then leading the biogas slurry to sequentially pass through a coarse sand layer, a fine sand layer and the cobblestone layer for collection and finally draining the biogas slurry into a biogas slurry mixing tank through a water outlet pipe. A device for the pretreatment method mainly comprises four parts of the biogas slurry collection tank, the control device, the biogas slurry pretreatment tank and the biogas slurry mixing tank, and the device can overcome the problem that when the biogas slurry is directly used as the foliar fertilizer and the drip irrigation fertilizer, the device is blocked, thereby realizing the automation of the biogas slurry treatment, realizing the automation of biogas slurry application and achieving the purposes of saving water, saving fertilizer, saving medicine and saving labor force.
Description
Technical field
The present invention relates to a kind of biogas slurry pretreatment method and device that is used for foliage fertilizer and drip irrigation fertilizer, belong to organic fertilizer technique field, rural area.
Background technology
Natural pond liquid is that high concentrated organic wastewater, feces of livestock and poultry, agricultural crop straw etc. are through the residue behind the anaerobic fermentation; contain multiple bioactivator; as amino acid, trace element, plant growth substance, B family vitamin, some antibiotic etc.; as foliage fertilizer, can regulate the plant growth metabolism, supplement the nutrients; promote the growth balance; strengthen the photosynthesis ability, especially be applied to vegetables, the energy prevention and elimination of disease and pests; make the vegetables mouthfeel good; the output height is applied to fruit tree, helps bud differentiation; flower and fruit protecting; the fruit fast gaining, ripe consistent, advantages such as quality better.As fruit tree drip irrigation fertilizer, can reduce natural pond liquid course of conveying loss, improve natural pond liquid utilization rate, can realize simultaneously that rich water is with executing, natural pond liquid almost all infiltrates in the arable layer with water, effectively prevent nutrient loss in the liquid of natural pond, improved the utilization rate of natural pond liquid as fertilizer sources greatly, can also effectively prevent the salinization of soil and soil compaction.As vegetables drop irrigation fertilizer in the booth, can reduce humidity in the canopy, reduce disease and take place, promote vegetable growth, reduce pollution by chemical fertilizer, produce pollution-free vegetable, advantage such as easy to operate.
But natural pond liquid is as foliage fertilizer and the very difficult problem that solves of the fertile existence of drip irrigation at present, be exactly blockage problem, some relevant filter plants also arranged on the market now, but all cost an arm and a leg, the peasant be difficult for to accept, and this also is that present natural pond liquid is used for the reason that foliage fertilizer and drip irrigation fertilizer can't large tracts of land be promoted.
Summary of the invention
It is more and more to the present invention is directed to present domestic biogas engineering, and a large amount of natural ponds liquid can't be dissolved and be caused the problem of the severe contamination and the natural pond liquid wasting of resources, and natural pond liquid provides a kind of biogas slurry pretreatment method and device as the problem of foliage fertilizer and the fertile occluding device of drip irrigation.
The technical scheme that the present invention is adopted for achieving the above object is as follows:
A kind of biogas slurry pretreatment method that is used for foliage fertilizer and drip irrigation fertilizer is as follows:
By self-con-tained unit 2 the natural pond liquid in the natural pond liquid collecting pit 1 is evacuated in the natural pond liquid pretreatment pool 3, the bed of material purifies the back and discharges after filtration in pretreatment pool 3, natural pond liquid the filter material layer of process be that the 1st layer of particle diameter is 3-5cm successively, thickness is the cobblestone layer 7 of 5-10cm; The 2nd layer of particle diameter is 1-1.5cm, and thickness is the small crushed stone layer 8 of 20-25cm; The 3rd layer of particle diameter is 2.0-4.0mm, and thickness is the rough sand layer 9 of 20-25cm; The 4th layer of particle diameter is 0.1-2.0mm, and thickness is the fine sand layer 10 of 10-20cm; The 5th layer of particle diameter is 3-5cm, and thickness is the cobblestone layer 11 of 5-10cm; By water distributor 6 liquid even distribution the in natural pond entered the small crushed stone layer 8 of one deck down in the 1st layer of cobblestone layer, final natural pond liquid enters natural pond liquid preparing pool by the outlet pipe 12 discharge natural pond liquid pretreatment pools of bottom one side.
Above-mentioned biogas slurry pretreatment method: natural pond liquid enters the amount of pretreatment pool 3 and time by control device 2 controls, advances every day 4 times, and the amount of at every turn advancing natural pond liquid is 4-80L, and the feed liquor time is the 8:30 of every day, 11:30,14:30 and 17:30.
The effect of the 1st layer of cobblestone is the supports cloth water pipe, and making into, water is uniformly distributed on the small crushed stone layer by pipeline.
The effect of small crushed stone layer is to filter to remove some big foreign material in the liquid of natural pond, prevents from clogging to occur in coarse sands layer and fine sand layer.
All adhere to a large amount of microorganisms in coarse sands layer and the fine sand layer, some the big particle absorption, the branch that exist in the liquid of natural pond are taken off, avoid the clogging drip irrigation pipe.
The effect of the 5th layer of cobblestone is the water outlet of collecting after sand is filtered, and makes by outlet pipe and concentrates discharging or reuse.
A kind of the present invention of enforcement is used for the device of the biogas slurry pretreatment method of foliage fertilizer and drip irrigation fertilizer, comprises natural pond liquid collecting pit 1, self-con-tained unit 2, natural pond liquid pretreatment pool 3 and natural pond liquid preparing pool 4 four parts; Wherein self-con-tained unit 2 comprises does not have the submersible sewage pump of obstruction and distribution system, nothing obstruction submersible sewage pump is arranged in natural pond liquid collecting pit 1 and links to each other with natural pond liquid pretreatment pool 3 by water inlet pipe 5, described water inlet pipe 5 is annular closure tube of an end opening, and openend links to each other with natural pond liquid collecting pit 1; The other end of natural pond liquid pretreatment pool 3 links to each other with natural pond liquid preparing pool 4 by outlet pipe 12.
Described natural pond liquid pretreatment pool 3 is made up of 5 metafiltration material, and the 1st layer is cobblestone layer 7, and particle diameter is 3-5cm, and thickness is 5-10cm; The 2nd layer is small crushed stone layer 8, and particle diameter is 1-1.5cm, and thickness is 20-25cm; The 3rd layer is rough sand layer 9, and particle diameter is 2.0-4.0mm, and thickness is 20-25cm; The 4th layer is fine sand layer 10, and particle diameter is 0.1-2.0mm, and thickness is 10-20cm; The 5th layer is cobblestone layer 11, and particle diameter is 3-5cm, and thickness is 5-10cm; Be equipped with some water distributors 6 in the 1st layer of cobblestone layer 7, the two ends of every water distributor all are communicated with water inlet pipe, and the water distributor bottom surface evenly has some apopores 13 along its length, and natural pond liquid pretreatment pool bottom or close bottom one side set out water pipe.
Above-mentioned water distributor 6 is the 3-10 root, and internal diameter is 30-50mm, is parallel to each other, is arranged in the boulder bed equably.Sewage enters down the small crushed stone layer of one deck behind water distributor apopore water distribution uniformity.
Preferably, the apopore of above-mentioned water distributor 6 is two rows, 90 ° of spaces, aperture 2-3mm.As shown in Figure 4.
The bottom surface of above-mentioned natural pond liquid pretreatment pool 3 is domatic to lopsidedness 3-5 degree.Be beneficial to the discharge of handling back water.
Above-mentioned water inlet pipe and water distributor material can be optional according to the state of the art.
The material of above-mentioned natural pond liquid pretreatment pool 3 can be optional according to the state of the art, is preferably brick and mixes or glass fibre reinforced plastic structure.
The distribution system of above-mentioned self-con-tained unit 2 is made up of switch, electrothermal relay, contactor, change-over switch, microcomputer controller one cover, distribution box, is used for controlling the amount and the sample introduction number of times that enter natural pond liquid in the pretreatment pool every day.
The present invention's advantage compared to existing technology is:
The supporting use of the present invention and biogas engineering has simple to operately, and advantage such as cost is low, and pretreating effect is good can solve natural pond liquid secondary pollution problem.Success of the present invention, the one, overcome natural pond liquid directly as the problem of foliage fertilizer and the fertile occluding device of drip irrigation; The 2nd, realized natural pond liquid processing automation, natural pond liquid is used automation, has realized water saving, joint fertilizer, economizes medicine, has saved the labour; The 3rd, the different demands of fertile and various crops, vegetables according to foliage fertilizer and drip irrigation, various trace elements are used in collocation again, reach better application effect; The 4th, this device low price, the peasant easily accepts, and method is simple, promotes easily.
Description of drawings
Fig. 1 is a kind of schematic flow sheet that is used for the biogas slurry pretreatment method of foliage fertilizer and drip irrigation fertilizer of the present invention; Fig. 2 is a kind of apparatus structure schematic diagram that is used for the biogas slurry pretreatment method of foliage fertilizer and drip irrigation fertilizer of the present invention; Fig. 3 is water inlet pipe and water distributor structural representation; Fig. 4 is a water distributor section enlarged diagram;
Wherein: 1, natural pond liquid collecting pit, 2, self-con-tained unit, 3, natural pond liquid pretreatment pool, 4, natural pond liquid preparing pool, 5, water inlet pipe, 6, water distributor, 7, the cobblestone layer, 8, the small crushed stone layer, 9, coarse sands layer, 10, the fine sand layer, 11, the cobblestone layer, 12, outlet pipe; 13, apopore.
The specific embodiment
The present invention will be further described below in conjunction with embodiment and with reference to accompanying drawing, among the embodiment not in detail the explanation all by state of the art.
Embodiment 1: green house of vegetables is interior to be the 10m of raw material with the cow dung
3Underground water pressure type biogas digested liquor of biogas generating pit pretreatment unit
Extracted 1 natural pond liquid in per 2 months, each natural pond liquid extraction amount is 2m
3, concrete device design and method are as follows:
(1) natural pond liquid collecting pit 1 material is that brick mixes, and volume is 2m
3
(2) according to the amount 34L/d of natural pond liquid, design natural pond liquid pretreatment pool 3 is of a size of length * wide * height=1.0m * 0.85m * 0.8m, and volume is 0.68m
3, material is that brick mixes, and natural pond liquid enters the amount of pretreatment pool and time by the strict control of control device, advances every day 4 times, and the amount of at every turn advancing natural pond liquid is 8.5L, and the feed liquor time is the 8:30 of every day, 11:30,14:30 and 17:30.
This apparatus structure comprises natural pond liquid collecting pit 1, self-con-tained unit 2, natural pond liquid pretreatment pool 3 and natural pond liquid preparing pool 4 four parts as shown in Figure 1, 2; Wherein self-con-tained unit 2 comprises does not have the submersible sewage pump of obstruction and distribution system, nothing obstruction submersible sewage pump is arranged in natural pond liquid collecting pit 1 and links to each other with natural pond liquid pretreatment pool 3 by water inlet pipe 5, described water inlet pipe 5 is annular closure tube of an end opening, and openend links to each other with natural pond liquid collecting pit 1; The other end of natural pond liquid pretreatment pool 3 links to each other with natural pond liquid preparing pool 4 by outlet pipe 12.
Described natural pond liquid pretreatment pool 3 is made up of 5 metafiltration material, and the 1st layer is cobblestone layer 7, and particle diameter is 3-5cm, and thickness is 5-10cm; The 2nd layer is small crushed stone layer 8, and particle diameter is 1-1.5cm, and thickness is 20-25cm; The 3rd layer is rough sand layer 9, and particle diameter is 2.0-4.0mm, and thickness is 20-25cm; The 4th layer is fine sand layer 10, and particle diameter is 0.1-2.0mm, and thickness is 10-20cm; The 5th layer is cobblestone layer 11, and particle diameter is 3-5cm, and thickness is 5-10cm; Be equipped with 3 water distributors 6 in the 1st layer of cobblestone layer 7, internal diameter is 30mm, is parallel to each other, is arranged in the boulder bed equably.The two ends of every water distributor all are communicated with water inlet pipe, and the water distributor bottom surface evenly has two along its length and discharges water hole 13,90 ° of spaces, aperture 2mm.Liquid pretreatment pool bottom, natural pond or close bottom one side set out water pipe.
The bottom surface of above-mentioned natural pond liquid pretreatment pool 3 is domatic to lopsidedness 3 degree.Be beneficial to the discharge of handling back water.
By self-con-tained unit 2 the natural pond liquid in the natural pond liquid collecting pit 1 is evacuated in the natural pond liquid pretreatment pool 3, the bed of material purifies the back and discharges after filtration in pretreatment pool 3, natural pond liquid the filter material layer of process be that the 1st layer of particle diameter is 3-5cm successively, thickness is the cobblestone layer 7 of 5-10cm; The 2nd layer of particle diameter is 1-1.5cm, and thickness is the small crushed stone layer 8 of 20-25cm; The 3rd layer of particle diameter is 2.0-4.0mm, and thickness is the rough sand layer 9 of 20-25cm; The 4th layer of particle diameter is 0.1-2.0mm, and thickness is the fine sand layer 10 of 10-20cm; The 5th layer of particle diameter is 3-5cm, and thickness is the cobblestone layer 11 of 5-10cm; By water distributor 6 liquid even distribution the in natural pond entered the small crushed stone layer 8 of one deck down in the 1st layer of cobblestone layer, final natural pond liquid enters natural pond liquid preparing pool by the outlet pipe 12 discharge natural pond liquid pretreatment pools of bottom one side.
(3) natural pond liquid preparing pool 4 materials are that brick mixes or fiberglass, and volume is 5m
3, mainly different vegetables are made the different demands of drip irrigation fertilizer or foliage fertilizer according to natural pond liquid, the natural pond liquid that leaches is diluted or adds an amount of trace element, simple and convenient.
Embodiment 2: green house of vegetables is interior to be the 20m of raw material with the cow dung
3Underground water pressure type biogas digested liquor of biogas generating pit pretreatment unit
Extracted 1 natural pond liquid in per 2 months, each natural pond liquid extraction amount is 4m
3, concrete device design and method are as follows:
(1) natural pond liquid collecting pit 1 material is a fiberglass, and volume is 4m
3
(2) according to the amount 67L/d of natural pond liquid, design natural pond liquid pretreatment pool 3 is of a size of length * wide * height=1.0m * 1.7m * 0.8m, and volume is 1.36m
3, material is a glass fibre reinforced plastic structure, and natural pond liquid enters the amount of pretreatment pool and time by the strict control of control device, advances every day 4 times, and the amount of at every turn advancing natural pond liquid is 16.75L, and the feed liquor time is the 8:30 of every day, 11:30,14:30 and 17:30.
Apparatus structure is as described in the embodiment 1, and different is to be equipped with 4 water distributors 6 in the 1st layer of cobblestone layer, and internal diameter is 35mm.
(3) natural pond liquid preparing pool 4 materials are that brick mixes or fiberglass, and volume is 8m
3, mainly different vegetables are made the different demands of drip irrigation fertilizer or foliage fertilizer according to natural pond liquid, the natural pond liquid that leaches is diluted or adds an amount of trace element, simple and convenient.
Embodiment 3: green house of vegetables is interior to be the 50m of raw material with the cow dung
3Underground water pressure type biogas digested liquor of biogas generating pit pretreatment unit
Extracted 1 natural pond liquid in per 2 months, each natural pond liquid extraction amount is 10m
3, concrete device design and method are as follows:
(1) natural pond liquid collecting pit 1 material is that brick mixes or fiberglass, and volume is 10m
3
(2) according to the amount 167L/d of natural pond liquid, design natural pond liquid pretreatment pool 3 is of a size of the wide X height=2.5mX1.68mX0.8m of long X, and volume is 3.36m
3, material is that brick mixes or glass fibre reinforced plastic structure, and natural pond liquid enters the amount of pretreatment pool and time by the strict control of control device, advances every day 4 times, and the amount of at every turn advancing natural pond liquid is 41.75L, and the feed liquor time is the 8:30 of every day, 11:30,14:30 and 17:30.
Apparatus structure is as described in the embodiment 1, and different is to be equipped with 5 water distributors 6 in the 1st layer of cobblestone layer, and internal diameter is 40mm.
(3) natural pond liquid preparing pool 4 materials are that brick mixes or fiberglass, and volume is 10m
3, mainly different vegetables are made the different demands of drip irrigation fertilizer or foliage fertilizer according to natural pond liquid, the natural pond liquid that leaches is diluted or adds an amount of trace element, simple and convenient.
Claims (7)
1. biogas slurry pretreatment method that is used for foliage fertilizer and drip irrigation fertilizer, it is characterized in that, by self-con-tained unit (2) the natural pond liquid in the natural pond liquid collecting pit (1) is evacuated in the natural pond liquid pretreatment pool (3), the bed of material purifies the back discharge after filtration in pretreatment pool (3), natural pond liquid the filter material layer of process be that the 1st layer of particle diameter is 3-5cm successively, thickness is the cobblestone layer (7) of 5-10cm; The 2nd layer of particle diameter is 1-1.5cm, and thickness is the small crushed stone layer (8) of 20-25cm; The 3rd layer of particle diameter is 2.0-4.0mm, and thickness is the rough sand layer (9) of 20-25cm; The 4th layer of particle diameter is 0.1-2.0mm, and thickness is the fine sand layer (10) of 10-20cm; The 5th layer of particle diameter is 3-5cm, and thickness is the cobblestone layer (11) of 5-10cm; By water distributor (6) liquid even distribution the in natural pond entered the small crushed stone layer (8) of one deck down in the 1st layer of cobblestone layer, final natural pond liquid enters natural pond liquid preparing pool by outlet pipe (12) the discharge natural pond liquid pretreatment pool of bottom one side.
2. the described a kind of biogas slurry pretreatment method that is used for foliage fertilizer and drip irrigation fertilizer of claim 1, it is characterized in that, natural pond liquid enters the amount of pretreatment pool (3) and time by self-con-tained unit (2) control, advance every day 4 times, the amount of at every turn advancing natural pond liquid is 4-80L, the feed liquor time is the 8:30 of every day, 11:30,14:30 and 17:30.
3. the described device that is used for the biogas slurry pretreatment method of foliage fertilizer and drip irrigation fertilizer of claim 1 comprises natural pond liquid collecting pit (1), self-con-tained unit (2), natural pond liquid pretreatment pool (3) and natural pond liquid preparing pool (4) four parts; Wherein self-con-tained unit (2) comprises does not have the submersible sewage pump of obstruction and distribution system, nothing obstruction submersible sewage pump is arranged in natural pond liquid collecting pit (1) and links to each other with natural pond liquid pretreatment pool (3) by water inlet pipe (5), described water inlet pipe (5) is the annular closure tube of an end opening, and openend links to each other with natural pond liquid collecting pit (1); The other end of natural pond liquid pretreatment pool (3) links to each other with natural pond liquid preparing pool (4) by outlet pipe (12); It is characterized in that described natural pond liquid pretreatment pool (3) is made up of 5 metafiltration material, the 1st layer is cobblestone layer (7), and particle diameter is 3-5cm, and thickness is 5-10cm; The 2nd layer is small crushed stone layer (8), and particle diameter is 1-1.5cm, and thickness is 20-25cm; The 3rd layer is rough sand layer (9), and particle diameter is 2.0-4.0mm, and thickness is 20-25cm; The 4th layer is fine sand layer (10), and particle diameter is 0.1-2.0mm, and thickness is 10-20cm; The 5th layer is cobblestone layer (11), and particle diameter is 3-5cm, and thickness is 5-10cm; Be equipped with some water distributors (6) in the 1st layer of cobblestone layer (7), the two ends of every water distributor all are communicated with water inlet pipe, and the water distributor bottom surface evenly has some apopores (13) along its length, and natural pond liquid pretreatment pool bottom or close bottom one side set out water pipe.
4. the described device that is used for the biogas slurry pretreatment method of foliage fertilizer and drip irrigation fertilizer of claim 3 is characterized in that described water distributor (6) is the 3-10 root, and internal diameter is 30-50mm, is parallel to each other, is arranged in equably in the cobblestone layer; Sewage enters down the small crushed stone layer of one deck behind water distributor apopore water distribution uniformity.
5. the described device that is used for the biogas slurry pretreatment method of foliage fertilizer and drip irrigation fertilizer of claim 3 is characterized in that the apopore of described water distributor (6) is two rows, 90 ° of spaces, aperture 2-3mm.
6. the described device that is used for the biogas slurry pretreatment method of foliage fertilizer and drip irrigation fertilizer of claim 3 is characterized in that, the bottom surface of described natural pond liquid pretreatment pool (3) is domatic to lopsidedness 3-5 degree.
7. the described device that is used for the biogas slurry pretreatment method of foliage fertilizer and drip irrigation fertilizer of claim 3, it is characterized in that, the distribution system of described self-con-tained unit (2) is made up of switch, electrothermal relay, contactor, change-over switch, microcomputer controller one cover, distribution box, is used for controlling the amount and the sample introduction number of times that enter natural pond liquid in the pretreatment pool every day.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2009102311201A CN101723524B (en) | 2009-12-10 | 2009-12-10 | Biogas slurry pretreatment method and device for foliar fertilizer and drip irrigation fertilizer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009102311201A CN101723524B (en) | 2009-12-10 | 2009-12-10 | Biogas slurry pretreatment method and device for foliar fertilizer and drip irrigation fertilizer |
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| CN101723524A CN101723524A (en) | 2010-06-09 |
| CN101723524B true CN101723524B (en) | 2011-06-08 |
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| CN2009102311201A Expired - Fee Related CN101723524B (en) | 2009-12-10 | 2009-12-10 | Biogas slurry pretreatment method and device for foliar fertilizer and drip irrigation fertilizer |
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Families Citing this family (4)
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| CN103265337A (en) * | 2013-06-08 | 2013-08-28 | 十堰市果茶研究所 | Special leaf fertilizer for tea and topdressing method thereof |
| CN112640759B (en) * | 2020-12-07 | 2023-08-18 | 内蒙古蒙草土壤科技有限责任公司 | Method for improving secondary saline-alkali soil and restoring grassland ecology by sand column |
| CN113896572A (en) * | 2021-09-08 | 2022-01-07 | 浙江华东工程建设管理有限公司 | Drainage and aeration system suitable for large perishable garbage machine fertilizer forming equipment |
| CN113748792B (en) * | 2021-10-08 | 2023-06-16 | 平顶山学院 | Tomato biogas slurry fertilizer application device and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008111804A1 (en) * | 2007-03-13 | 2008-09-18 | Seok Tae Lee | Fermentation equipment of livestock excretion |
| CN101343134A (en) * | 2008-08-26 | 2009-01-14 | 浙江林学院 | Ecological treatment apparatus and method for contamination biogas slurry of livestock and poultry cultivation |
| CN101428908A (en) * | 2008-12-12 | 2009-05-13 | 赵光圣 | Ecological green space for treating feces of toilet |
| CN201587908U (en) * | 2009-12-10 | 2010-09-22 | 山东省农业科学院土壤肥料研究所 | Biogas slurry pretreatment device for foliar fertilizer and drip irrigation fertilizer |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008111804A1 (en) * | 2007-03-13 | 2008-09-18 | Seok Tae Lee | Fermentation equipment of livestock excretion |
| CN101343134A (en) * | 2008-08-26 | 2009-01-14 | 浙江林学院 | Ecological treatment apparatus and method for contamination biogas slurry of livestock and poultry cultivation |
| CN101428908A (en) * | 2008-12-12 | 2009-05-13 | 赵光圣 | Ecological green space for treating feces of toilet |
| CN201587908U (en) * | 2009-12-10 | 2010-09-22 | 山东省农业科学院土壤肥料研究所 | Biogas slurry pretreatment device for foliar fertilizer and drip irrigation fertilizer |
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