CN203307242U - Device used for manufacturing livestock and poultry excrement compost into organic fertilizer - Google Patents
Device used for manufacturing livestock and poultry excrement compost into organic fertilizer Download PDFInfo
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- CN203307242U CN203307242U CN2012203961045U CN201220396104U CN203307242U CN 203307242 U CN203307242 U CN 203307242U CN 2012203961045 U CN2012203961045 U CN 2012203961045U CN 201220396104 U CN201220396104 U CN 201220396104U CN 203307242 U CN203307242 U CN 203307242U
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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
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- 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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Abstract
The utility model discloses a device used for manufacturing livestock and poultry excrement compost into an organic fertilizer. The device comprises an open composting chamber used for piling livestock excrement and fermenting, an activated nutrient solution supply unit used for supplying an activated nutrient solution to the composting chamber, a rotary drying unit used for receiving and screening high-temperature livestock excrement discharged from a discharge port of the composting chamber, a cooling and screening unit used for cooling, a spiral discharging unit connected at the back of the cooling and screening unit, and a fertilizer efficiency adjusting unit, wherein the discharge port of the composting chamber is connected to the rotary drying unit. By adopting the livestock excrement quick composting device, the livestock excrement can be quickly composted and manufactured into a quality organic fertilizer within a short time, and the mechanical operation effectively saves the labor cost and time, therefore, the composting efficiency can be effectively improved; and the device is valuable for wide application.
Description
Technical field
The utility model relates to a kind of organic fertilizer preparation facilities, especially a kind of for the farm animal excrement compost being made to the technical field of the device of organic fertilizer.
Background technology
A large amount of farm animal excrements that the livestock and poultry breeding industries such as foster duck industry, pig industry produce contain the organic matters such as a large amount of nitrogen, phosphorus, if directly utilize or the footpath self-discharging without dealing carefully with, certainly will cause serious impact to environmental ecology, wherein, more especially with the waste water containing pig excrement environmental pollution that pig industry was produced, have the greatest impact.Yet; the contained organic matter of farm animal excrement is but the required nutrient of plant-growth; add that Organic farming is extensively advocated in recent years; the nutrient source of organic agronomic crop is to rely on composting production fully; therefore; the farm animal excrement compost is made into to organic fertilizer, can reaches the effect that environment protection and recycling etc. are killed two birds with one stone.
And process with the waste water containing pig excrement of pig industry, first pig manure urine to be processed via solid-liquid separation, mainly via stages such as first deep gouge, anaerobism groove and final filtering tanks by waste water containing pig excrement, and separate to obtain pig manure urine mud two portions of producing of waste water and concentrating and precipitating, wherein, pig manure urine sludge part is namely further made the fertilizer recycling through compost treatment.
With tradition air-supply compost treatment, pig manure urine mud needs first via sludge dewatering equipment dehydration, exposure in sunshine or interpolation, to adjust as wood chip, rice husk or bagasse moisture the means such as material, its water ratio is adjusted to approximately to 65%, then, is stacked in fermenter the decomposition of fermenting.In process, cooperative mechanical formula air-supply, manually regularly turn over push away, the composting conditionses such as temperature, moisture and pH value control to continue to ferment decomposition, whole yeast phase is about 60-90 days, after pig manure urine mud becomes thoroughly decomposed into organic fertilizer, can be applied to Crops in Applying Fertilizer.Yet there are problems in traditional animal manure compost: distribute stench, affect the environmental health quality: the fermentation condition of dunghill fertilizer is difficult to control, and causes fermentation time long, and it is low that the practitioner processes wish; Moreover, if it is improper that moisture is adjusted, cause its water ratio too high (more than 68%), leavening temperature can occur only can maintain 30-40 ℃, cause the situations such as relative prolongation of compost fermentation time, must repeatedly animal manure be cleared out again in fermenter even and exposure in sunshine in addition, carry out to maintain follow-up normal fermentative action.Therefore, because fermentation condition is difficult to control, yeast phase is long, and need manually turn over the factor such as push away, must expend a large amount of manpowers to monitor and process with field, and obviously increasing pig manure urine mud in the consuming time and fussy degree of compost maturity process, the relative reduce dealer is for the wish of animal manure compost treatment.
Summary of the invention
The utility model is for the prior art present situation, the purpose of this utility model is to be to provide a kind of for the farm animal excrement compost being made to the device of organic fertilizer, make animal manure can within the short period of time, become thoroughly decomposed into rapidly good matter organic fertilizer, save human cost and time, and the animal manure that effectively promotes the efficiency of the becoming thoroughly decomposed device that becomes thoroughly decomposed rapidly.
The utility model solves its technical problem and takes following technical scheme to realize:
The utility model is a kind of for the farm animal excrement compost being made to the device of organic fertilizer by having designed, this device comprises the chamber of becoming thoroughly decomposed of banking up to ferment for animal manure, also the promising chamber of becoming thoroughly decomposed provides the activation nutritive medium feeding unit of activation nutritive medium, the chamber discharge port that becomes thoroughly decomposed leads to the rotary furnace drying unit, the rotary furnace drying unit lead to accept the high temperature animal manure of this rotary furnace drying unit discharging and to animal manure sieve, the cooling, screening unit of cooling down effect, after the cooling, screening unit, connect the spiral discharging unit.
It is a kind of for the farm animal excrement compost being made to the device of organic fertilizer that the utility model specifically provides, this device by the opening of fermenting become thoroughly decomposed chamber, activate nutritive medium feeding unit, rotary furnace drying unit, cooling, screening unit, spiral discharging unit and fertilizer efficiency adjustment unit and form.
Described activation nutritive medium feeding unit comprises the two-stage resonant activation device, first step resonant activation device comprises water inlet pipe and the rising pipe be placed in this first casing, be arranged at first heating unit at this water inlet pipe place, the first resonance base that can be emitting far-infrared is serially connected between water inlet pipe and rising pipe, is placed in this first casing and can supplies the doser of strengthening liquid; The aqueduct be communicated with rising pipe in the first casing is arranged in the resonant activation device casing of the second stage, a plurality of the second electrothermal tubes that are placed in this second casing and are arranged at this aqueduct place, the the second strengthening resonance base that is connected with aqueduct and can be emitting far-infrared, and a water service pipe be connected with the second strengthening resonance base.
Described rotary furnace drying unit has the animal manure charging groove drum that can accept from the chamber discharge port that becomes thoroughly decomposed, one conveying member connects between charging groove drum and rotation outer tube, and one can continue the supplying high temperature hot blast to the hot blast feeding device of this rotation in outer tube, this conveying member of mat carries animal manure in this rotation outer tube by this charging groove drum, animal manure overturns and rolls in this rotation outer tube when, the hyperthermia drying effect that can bear simultaneously hot blast.
Described cooling, screening unit comprises cyclonic separator, the opening for feed of cyclonic separator is connected with the rotation outer tube of rotary furnace drying unit, there is the pipe connecting that leads to bag filter formula particle collector the upper end of this cyclonic separator, the lower end outlet of cyclonic separator and bag filter formula particle collector connects the spiral discharging unit, adjusting material can be sprayed in addition to the fertilizer efficiency adjustment unit of the animal manure that is arranged in this spiral discharging unit.
The animal manure of discharging from this cooling, screening unit can be accepted in described spiral discharging unit, it has an outer tube, the entrance communicated with cyclonic separator and bag filter formula particle collector is arranged on outer tube, and the built-in rotating screw spindle of this outer tube, this screw spindle of mat can allow animal manure continue upset and roll forward.
The device for the farm animal excrement compost being made to organic fertilizer provided according to above-mentioned utility model has following characteristics: by the device that uses the utility model to provide, can improve the rate of decomposition of animal manure microorganism for organism, allow animal manure be become thoroughly decomposed rapidly; Activation nutritive medium feeding unit has the multiple nutrient substance that can supply the microorganism growth element, and a resonance activating apparatus; This resonant activation device can produce out the activation water body of resonance absorption far-infrared ray power, and activation water body and nutrient substance can be allocated and form in order to be added into the activation nutritive medium of animal manure ox; This rotary furnace drying unit have one can accept from the animal manure of this chamber discharging of becoming thoroughly decomposed advance to tremble groove drum, a rotation outer tube, is connected in the conveying member between this charging groove drum and this rotation outer tube, and one can continue the supplying high temperature hot blast and rotates the hot blast feeding spare in outer tube to this; This conveying member of mat carries animal manure in this rotation outer tube by this charging groove drum, animal manure overturns and rolls in this rotation outer tube when, and the hyperthermia drying effect that can bear simultaneously hot blast; The high temperature animal manure from this rotary furnace drying unit discharge can be accepted in this cooling, screening unit, and utilizes the eddy effect of whirlwind that the too small person of particle in animal manure is screened out, and reaches simultaneously the effect of cooling down; The animal manure from this cooling, screening unit discharge can be accepted in this spiral discharging unit, and has an outer tube, and a screw spindle be placed through rotationally in this outer tube; This screw spindle of mat can allow animal manure continue upset and roll into; This fertilizer efficiency adjustment unit has taken up the adjusting material that can adjust the animal manure fertilizer efficiency, adjusting material can be sprayed into to the animal manure that is arranged in this spiral discharging unit; This novel effect is that the activation nutritive medium that utilizes this activation nutritive medium feeding unit to be modulated into by the activation water body of resonance absorption far-infrared ray power is added in animal manure, to improve the organic substance decomposing metabolic rate of microorganism in animal manure; Coordinate again that follow-up high heat is dried, cooled, the mechanized such as volume screening and fertilizer efficiency adjustment, animal manure can become thoroughly decomposed into rapidly good matter organic fertilizer within the short period of time, save human cost and time, thereby the effective lifting efficiency of becoming thoroughly decomposed.
The accompanying drawing explanation
Fig. 1 is activation nutritive medium feeding unit of the present utility model and the cell structure schematic diagram that becomes thoroughly decomposed.
Fig. 2 is rotary furnace drying modular construction schematic diagram of the present utility model.
Fig. 3 is the annexation figure of cooling, screening of the present utility model unit, spiral discharging unit and fertilizer efficiency adjustment unit.
In Fig. 1-3, 1-opening chamber of becoming thoroughly decomposed, 2-activation nutritive medium feeding unit, 3-rotary furnace drying unit, 4-cooling, screening unit, 5-spiral discharging unit, 6-fertilizer efficiency adjustment unit, 7-appearance machine, 8-wrapping machine, 10-animal manure, 11-the chamber discharge port becomes thoroughly decomposed, 20-activation nutritive medium, 21-nutrient substance, 22-resonance activated water apparatus, the 23-the first casing, 23'-second casing, 24-water inlet pipe, 24'-aqueduct, 25-rising pipe, 25'-water service pipe, the 26-the first heating unit, 26'-second heating unit, 261, three electrothermal tubes of 261'-heating, 27-resonantron, 27'-strengthening resonantron, 28-dosing unit, 281-reinforcement liquid, 31-charging groove drum, 32-rotation outer tube, 33-conveying member, 34-hot blast feeding spare, 35-outlet, 41-cyclonic separator, 42-bag filter formula particle collector, 51-outer tube, 52-screw spindle, 61-adjusting material.
Embodiment
Below in conjunction with drawings and Examples, the utility model is done further and described in detail.
Shown in accompanying drawing 1-3, for the farm animal excrement compost being made to the device of organic fertilizer, this device by the opening that comprises fermentation become thoroughly decomposed chamber (1), activate nutritive medium feeding unit (2), rotary furnace drying unit (3), cooling, screening unit (4), spiral discharging unit (5) and fertilizer efficiency adjustment unit (6) and form.
Referring to accompanying drawing 1, this activation nutritive medium feeding unit (2) has the multiple nutrient substance (21) that can supply the microorganism growth element, comprises two-stage resonant activation device (22), wherein, this resonance activated water apparatus (22) has one first casing (23), one is arranged at the water inlet pipe (24) in this first casing (23), one is arranged at the rising pipe (25) in this first casing (23), one is placed in this first casing (23) and is arranged at the first heating unit (26) that this water inlet pipe (24) is located, the emitting far-infrared resonantron (27) of one energy, one is placed in this first casing (23) and can supplies the dosing unit (28) of strengthening liquid, one second casing (23'), one is arranged at the aqueduct (24') that this second casing (23') is upper and be communicated with this rising pipe (25), one is placed in this second casing (23') and is arranged at the second heating unit (26') that this aqueduct (24') is located, one is connected with this aqueduct (24') and strengthening resonantron (27') that can be emitting far-infrared, and the water service pipe (25') be connected with this strengthening resonantron (27'), wherein, this first and second heating unit (26,26') has respectively three electrothermal tubes that can heat water body (261,261'), because the means such as three electrothermal tubes that utilize heating (261,261') heat are common heating technique, its principle of heating and related mechanism no longer describe in detail.
And in the present embodiment, this resonance base (27) and the far infrared rays that strengthening resonantron (27') is produced, be mainly utilize high-temperature calcination to contain the ore of trace element and produce; Wherein, far infrared rays is to belong to the physical property ray, has extremely strong seepage force and can deeply be passed to subcutis, and warm deep layer biomass cells is to intensify its physiological function activity; In addition, the reinforcement liquid (281) of this dosing unit (28) is to have to maintain the stable characteristic of molecular structure water, is mainly in the activation water body that produces resonant absorption effects via far-infrared radiation, is added into a little trace element and is modulated into.
Yet; the activation water body is in continuing to carry in process; may reduce and cause the part small water molecule to be reduced into large water molecules by Yin Wendu; therefore; the delivery of above-mentioned activation water body is entered in this aqueduct (24'), utilize the second heating unit (26') to be heated, then coordinate again the far-infrared radiation of this strengthening resonantron (27'); allow large water molecules that activation reduces in water body again because resonant interaction cuts into small water molecule, effectively be maintained at by be allowed the activation water body and have active condition; And activate by this allotment of water body and nutrient substance (21), form activation nutritive medium (20); Animal manure (10) is sent by the chamber discharge port (11) that becomes thoroughly decomposed.
Referring to accompanying drawing 2; rotary furnace drying unit (3) has one can accept charging groove drum (31) from the animal manure (10) that this chamber discharge port (11) that becomes thoroughly decomposed is sent, a rotation outer tube (32), is connected in the conveying member (33) between this charging groove drum (31) and this rotation outer tube (32), and one can continue the supplying high temperature hot blast and rotates the interior hot blast feeding spare (34) of outer tube (32) to this; In the present embodiment, this hot blast feeding spare (34) is the diesel combustion machine; This conveying member of mat (33) carries animal manure (10) in this rotation outer tube (32) by this charging groove drum (31), animal manure (10) overturns and rolls in this rotation outer tube (32) when, and the hyperthermia drying effect that can bear simultaneously hot blast.The animal manure of drying is sent by outlet (35).
Referring to accompanying drawing 3, cooling, screening unit (4) have a cyclonic separator (41) be connected with rotation outer tube (32) outlet (35) of this rotary furnace drying unit (3), and a bag filter formula particle collector (42) be connected with this cyclonic separator (41); Animal manure (10) is subject to the eddy effect of whirlwind in this cyclonic separator (41); particle is large and the matter severe one can fall into bottom along its inwall in animal manure (10), and in animal manure (10), the little and matter the lighter of particle can be separated in this bag filter formula particle collector (42) and screens out and throw aside; Simultaneously, this cyclonic separator (41) is to animal manure (10) while screening, and the whirlwind in it also can produce the cooling down effect to the animal manure (10) of high temperature, allow animal manure (10) be cooled to room temperature; And with the start theory of machines of bag filter formula particle collector (42), be general common separation dust collector equipment due to cyclonic separator (41), in this, no longer describe in detail.
The lower end outlet of cyclonic separator and bag filter formula particle collector connects spiral discharging unit (5), the animal manure (10) from this cooling, screening unit (4) discharge can be accepted in this spiral discharging unit (5), has an outer tube (51), on outer tube (51), there is mouth to communicate with the lower end outlet (35) of cyclonic separator (41) and bag filter formula particle collector (42), one is placed through the rotatable screw spindle (52) in this outer tube (51), and this screw spindle (52) can allow animal manure (10) continue upset and roll into.
Fertilizer efficiency adjustment unit (6) is equipped with the adjusting material (61) that can adjust animal manure (10) fertilizer efficiency, and adjusting material (61) can be sprayed into to the animal manure (10) that is arranged in this spiral discharging unit (5); In the present embodiment, this fertilizer efficiency adjustment unit (6) is a hydrojet bucket.
When carrying out the compost maturity operation of animal manure (10), animal manure (10) is stacked in to opening and becomes thoroughly decomposed in chamber (1), with the compost maturity of preparing to carry out approximately seven days, process; At first, to activate nutritive medium (20) is added in animal manure (10), the recycling compressor gives animal manure (10) with the amount of oxygen of 12-15 tons of supplies in continuous ten minutes, to allow microorganism under aerobic environment, carry out the metabolism decomposition to the organic substance in animal manure (10), then give capping standing.
When becoming thoroughly decomposed second day, the temperature of becoming thoroughly decomposed of animal manure (10) approximately reaches 60-80 ℃; During this time, because the membrane permeability ability of water molecules in activation nutritive medium (20) is strong, can accelerate the required nutrient supply of microbe inner cell and waste output, and can from the thermal energy transfer of far-infrared ray power, give microorganism by transforming, be able to warm, activation and organize microorganism cells, promote the whole metabolism of microorganism, and supply with enough nutritive ingredients so that the breeding of microorganism Fast Growth, thereby effectively promote it for the organic decomposition efficiency in animal manure (10), cause animal manure (10) can within the short period of time of seven days, be rapidly the state of becoming thoroughly decomposed.The animal manure become thoroughly decomposed (10) be complete odorless and slightly woody odor, slight alkalinity, organic content 90%, color be brown, and the C/N ratio is about 15-20 state.
Then; the animal manure (10) that is the state of becoming thoroughly decomposed is continued to carry in this rotary furnace drying unit (3) and carry out heat and dry operation; by the high-temperature hot-air in it; animal manure (10) in advancing to upset carries out high temperature and uniform hot drying functions, and the water ratio that makes into the animal manure (10) of the state of becoming thoroughly decomposed is about 35%; Then, high temperature animal manure (10) delivery of spinning drying unit (3) discharge is entered to cooling, screening unit (4) and carry out cooling and screening operation; Then, animal manure (10) row that will be stored in this cyclonic separator (41) bottom falls within this spiral discharging unit (5), and when its lasting spiral is advanced, adjusting material (61) in this fertilizer efficiency adjustment unit (6) is sprayed thereon, to adjust the fertile matter effect of this animal manure (10), now, the compost that namely completes good matter organic fertilizer is made.
Finally, fertile matter effect and range of application according to organic fertilizer that animal manure forms, and utilize an appearance machine (7) to give respectively appearance powdering organic fertilizer, granular organic fertilizer material, or bar-shaped organic fertilizer etc., input a wrapping machine (8) again and packed, namely completing can be for the organic fertilizer finished product utilized.
From the above, utilize the activation water body modulation activation nutritive medium (20) after resonance is processed, can intensify and promote microorganism metabolic rate for organism under aerobic environment, allow animal manure (10) become thoroughly decomposed within the short period of time, and coordinate follow-up heat to dry, cooling, screening, the mechanical work such as fertilizer efficiency is modified, be able to saving of work and time ground and obtain the organic fertilizer for the diversification application, thereby can obviously improve traditional animal manure compost the time, can produce stench, fermentation condition is difficult to control and needs manually regularly turn over and the complicated processes such as pushes away, the problem such as not good and compost phase of the effect that causes fermenting is long.
Conclude above-mentioned, the utility model animal manure device that becomes thoroughly decomposed rapidly, animal manure can become thoroughly decomposed into rapidly good matter organic fertilizer within the short period of time, mechanized can effectively be saved human cost and time, and then effectively promotes the efficiency of becoming thoroughly decomposed, therefore really can reach the purpose of the utility model.
As mentioned above; can realize preferably the utility model; the above embodiments are only that preferred implementation of the present utility model is described; not scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that the common engineering technical personnel in this area make the technical solution of the utility model, all should fall in the definite protection domain of the utility model.
Claims (1)
1. one kind for making the device of organic fertilizer to the farm animal excrement compost, by become thoroughly decomposed chamber, activation nutritive medium feeding unit, rotary furnace drying unit, cooling, screening unit, spiral discharging unit and fertilizer efficiency adjustment unit of the opening of fermenting, formed, it is characterized in that:
Described activation nutritive medium feeding unit comprises the two-stage resonant activation device, first step resonant activation device comprises water inlet pipe and the rising pipe be placed in this first casing, be arranged at first heating unit at this water inlet pipe place, the first resonance base that can be emitting far-infrared is serially connected between water inlet pipe and rising pipe, is placed in this first casing and can supplies the doser of strengthening liquid; The aqueduct be communicated with rising pipe in the first casing is arranged in the resonant activation device casing of the second stage, a plurality of the second electrothermal tubes that are placed in this second casing and are arranged at this aqueduct place, the the second strengthening resonance base that is connected with aqueduct and can be emitting far-infrared, and a water service pipe be connected with the second strengthening resonance base;
Described rotary furnace drying unit has the animal manure charging groove drum that can accept from the chamber discharge port that becomes thoroughly decomposed, one conveying member connects between charging groove drum and rotation outer tube, and one can continue the supplying high temperature hot blast to the hot blast feeding device of this rotation in outer tube, this conveying member carries animal manure in this rotation outer tube by this charging groove drum, animal manure overturns and rolls in this rotation outer tube when, the hyperthermia drying effect that can bear simultaneously hot blast;
Described cooling, screening unit comprises cyclonic separator, the opening for feed of cyclonic separator is connected with the rotation outer tube of rotary furnace drying unit, there is the pipe connecting that leads to bag filter formula particle collector the upper end of this cyclonic separator, the lower end outlet of cyclonic separator and bag filter formula particle collector connects the spiral discharging unit, adjusting material can be sprayed in addition to the fertilizer efficiency adjustment unit of the animal manure that is arranged in this spiral discharging unit;
The animal manure of discharging from this cooling, screening unit can be accepted in described spiral discharging unit, it has an outer tube, the entrance communicated with cyclonic separator and bag filter formula particle collector is arranged on outer tube, and the built-in rotating screw spindle of this outer tube, this screw spindle can allow animal manure continue upset and roll forward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203961045U CN203307242U (en) | 2012-08-12 | 2012-08-12 | Device used for manufacturing livestock and poultry excrement compost into organic fertilizer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203961045U CN203307242U (en) | 2012-08-12 | 2012-08-12 | Device used for manufacturing livestock and poultry excrement compost into organic fertilizer |
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| Publication Number | Publication Date |
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| CN203307242U true CN203307242U (en) | 2013-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012203961045U Expired - Fee Related CN203307242U (en) | 2012-08-12 | 2012-08-12 | Device used for manufacturing livestock and poultry excrement compost into organic fertilizer |
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| CN (1) | CN203307242U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107954766A (en) * | 2017-12-18 | 2018-04-24 | 朱兆明 | A kind of natural organic fertilizer preparation system and its method of work |
| CN109650984A (en) * | 2017-10-11 | 2019-04-19 | 陆志宏 | Light wave ecological organic fertilier and preparation method thereof |
-
2012
- 2012-08-12 CN CN2012203961045U patent/CN203307242U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109650984A (en) * | 2017-10-11 | 2019-04-19 | 陆志宏 | Light wave ecological organic fertilier and preparation method thereof |
| CN107954766A (en) * | 2017-12-18 | 2018-04-24 | 朱兆明 | A kind of natural organic fertilizer preparation system and its method of work |
| CN107954766B (en) * | 2017-12-18 | 2021-06-25 | 恩施神力生物科技有限公司 | Natural organic fertilizer preparation system and working method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20140812 |
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