CN114276173A - Method and equipment for preparing fertilizer from kitchen waste - Google Patents
Method and equipment for preparing fertilizer from kitchen waste Download PDFInfo
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- CN114276173A CN114276173A CN202210077937.3A CN202210077937A CN114276173A CN 114276173 A CN114276173 A CN 114276173A CN 202210077937 A CN202210077937 A CN 202210077937A CN 114276173 A CN114276173 A CN 114276173A
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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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Abstract
The invention discloses a method and equipment for preparing a fertilizer from kitchen waste, and belongs to the technical field of organic fertilizer production. A method for preparing a fertilizer from kitchen waste comprises the following steps: s1, standing the kitchen waste for a period of time, and removing upper grease after oil and water are separated; s2, reducing the salt content of the kitchen waste by utilizing translucence; s3, removing undegradable substances such as garbage bags and the like in the kitchen garbage; s4, stirring and crushing the kitchen waste; s5, filtering water in the kitchen waste, and only keeping solid matters; and S6, fermenting the residual substances to obtain the organic fertilizer. The invention effectively solves the problems that the oil content and the salt content of the traditional kitchen waste are high, and the plastic waste has adverse effect on fermentation.
Description
Technical Field
The invention relates to the technical field of organic fertilizer production, in particular to a method and equipment for preparing a fertilizer from kitchen waste.
Background
Zero carbon is currently one of the most popular words worldwide with the goal of mitigating climate change. The zero carbon is not discharged carbon dioxide, but the carbon footprint is reduced and the carbon discharge is reduced by calculating the greenhouse gas discharge through the design scheme, so that the zero carbon is realized, namely the zero discharge of the carbon. Let us from low carbon doing, the clothes and food rows approach 'zero carbon' gradually.
The preparation of the kitchen waste into the organic fertilizer is a good way for reducing carbon emission. The kitchen waste is also called swill or swill, is the most main one of food waste, mainly comprises rice and flour food residues, vegetables, grease, bones and the like, mainly comprises starch, cellulose, protein, lipid, bones and calcium organic salt in chemical composition, and is characterized by having dual characteristics of rich organic matter resources and organic pollutants, easily causing adverse effects on the environment and human health and having great resource utilization value. The yield of the kitchen waste is on the trend of increasing year by year, the daily treatment capacity of China is about 3 ten thousand tons at present, and the effect is obvious.
The grease and sodium salt contained in the kitchen waste have adverse effects in the waste production process, and the kitchen waste can also contain plastic bags and other substances which cannot be decomposed, so that a lot of adverse factors exist in the organic fertilizer production process of the kitchen waste.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to provide a method and equipment for preparing a fertilizer from kitchen waste, which aim to solve the problems in the background technology:
the oil content and the salt content of the traditional kitchen waste are high, and the plastic waste has adverse effect on fermentation.
2. Technical scheme
A method for preparing a fertilizer from kitchen waste comprises the following steps:
s1, standing the kitchen waste for a period of time, and removing upper grease after oil and water are separated;
s2, reducing the salt content of the kitchen waste by utilizing translucence;
s3, removing undegradable substances such as garbage bags and the like in the kitchen garbage;
s4, stirring and crushing the kitchen waste;
s5, filtering water in the kitchen waste, and only keeping solid matters;
and S6, fermenting the residual substances to obtain the organic fertilizer.
A device for preparing fertilizer from kitchen waste comprises a primary cleaning chamber, a salting-out chamber, a stirring chamber and a fermentation chamber;
an oil filter is arranged on the outer side of the upper part of the preliminary cleaning chamber, and a plastic bag cleaning device is arranged inside the preliminary cleaning chamber;
the salting-out chamber is arranged on one side of the preliminary cleaning chamber, which is far away from the oil filter port;
the stirring chamber is positioned at the bottom of the primary cleaning chamber, and a control device is arranged in the stirring chamber;
the fermentation chamber is positioned below the salting-out chamber.
Preferably, the top of oil filter is provided with electric gate A, the inside demountable installation in one side that preliminary clearance room is close to the room of salting out has the filter screen, the room of salting out is close to one side opening and the inside electric gate B that is provided with of preliminary clearance room, the indoor portion of salting out can be dismantled in one side that is close to electric gate B and is provided with the pellicle.
Preferably, plastic bag cleaning device includes locker room and moving motor, locker room and moving motor are located preliminary front and back end of clearing up the room respectively, moving motor's output fixedly connected with lead screw, the outside threaded connection of lead screw has the removal post, remove the vertical placing of post, the horizontal clearance pole of side fixedly connected with several of removal post, several cleaning roller has been placed to the inside level of locker room, just cleaning roller sets up with the clearance pole is crisscross, the one end fixedly connected with control wheel of cleaning roller, the several through belt friction transmission, bottom between the control wheel and rotating motor's output fixed connection.
Preferably, the control device comprises a control motor, the control motor is installed at the bottom of the stirring chamber in a threaded manner, the output end of the control motor is fixedly connected with a turntable, the central position of the turntable is connected with a central shaft, the outer edge of the turntable is fixedly connected with an eccentric shaft, a bearing is sleeved on the outer side of the eccentric shaft, the outer side of the bearing is connected with an eccentric ring through a fixed frame, and the top of the eccentric ring is provided with a plurality of rotating columns;
preferably, controlling means still includes the chuck, the fixed gomphosis of chuck is inside the bottom of teeter chamber, the inside fluting of chuck and inslot are provided with several arc recess, the center disk has been placed to the inside of chuck, the outside of center disk is provided with the circular arch of several, the column spinner is inserted and is established in the gap between center disk and the chuck.
Preferably, the circular protrusion of the central disc is provided with 8, the rotating columns are provided with 9, and the arc-shaped grooves are provided with 10.
Preferably, the top fixedly connected with eccentric disc of removal post, the eccentric disc is located the inside of teeter chamber, the top fixedly connected with churn of eccentric disc, the top of center pin is connected with the (mixing) shaft, the (mixing) shaft is inserted and is established the inside at the churn, the outside of (mixing) shaft is provided with the puddler, the bottom outside of churn is provided with the surplus export in kitchen.
Preferably, the bottom of the fermentation chamber is provided with a water leakage opening, a small-sized filter screen is arranged above the water leakage opening, an extrusion plate is vertically arranged in the fermentation chamber, and the extrusion plate is driven by an electric push rod.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
1. according to the method, the contents of grease and sodium salt in the kitchen waste are reduced through multiple filtering and screening of the kitchen waste, then the kitchen waste is stirred and smashed, the contact area between the kitchen waste and yeast colonies is increased, the fermentation efficiency is improved, and therefore the high-quality organic fertilizer is obtained.
2. According to the invention, before the kitchen waste is fermented, unnecessary components are removed in the primary cleaning chamber, so that the quality of the prepared organic fertilizer is improved.
3. The invention has high stirring efficiency and good fermentation effect.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the preliminary cleaning chamber and salting chamber of the present invention;
FIG. 3 is a schematic view of the interior of the preliminary cleaning chamber of the present invention;
FIG. 4 is a schematic view of a stir chamber of the present invention;
FIG. 5 is a detail view of the control device of the present invention;
FIG. 6 is a top view of the control device of the present invention;
FIG. 7 is a sectional view of the fermenting chamber of the present invention.
The reference numbers in the figures illustrate: 1. a preliminary cleaning chamber; 101. an oil filter; 102. an electric gate A; 103. filtering with a screen; 2. a plastic bag cleaning device; 201. a storage chamber; 202. a moving motor; 203. a screw rod; 204. moving the column; 205. cleaning the rod; 206. cleaning the roller; 207. a control wheel; 208. a rotating electric machine; 209. a belt; 3. a salting-out chamber; 301. an electric gate B; 302. a semi-permeable membrane; 4. a stirring chamber; 401. a mixing drum; 402. a kitchen waste outlet; 403. a stirring shaft; 404. a stirring rod; 405. an eccentric disc; 5. a fermentation chamber; 501. a water leakage port; 502. an electric push rod; 503. a pressing plate; 6. a control device; 601. controlling the motor; 602. a turntable; 603. an eccentric shaft; 604. a central shaft; 605. an eccentric ring; 606. a spin column; 607. a chuck; 608. an arc-shaped groove; 609. a central disk.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
a method for preparing a fertilizer from kitchen waste comprises the following steps:
s1, standing the kitchen waste for a period of time, and removing upper grease after oil and water are separated;
s2, reducing the salt content of the kitchen waste by utilizing translucence;
s3, removing undegradable substances such as garbage bags and the like in the kitchen garbage;
s4, stirring and crushing the kitchen waste;
s5, filtering water in the kitchen waste, and only keeping solid matters;
and S6, fermenting the residual substances to obtain the organic fertilizer.
According to the method, the contents of grease and sodium salt in the kitchen waste are reduced through multiple filtering and screening of the kitchen waste, then the kitchen waste is stirred and smashed, the contact area between the kitchen waste and yeast colonies is increased, the fermentation efficiency is improved, and therefore the high-quality organic fertilizer is obtained.
Example 2:
referring to fig. 1-3, an apparatus for preparing fertilizer from kitchen waste comprises a preliminary cleaning chamber 1, a salting-out chamber 3, a stirring chamber 4 and a fermentation chamber 5;
an oil filter 101 is arranged on the outer side of the upper part of the preliminary cleaning chamber 1, and a plastic bag cleaning device 2 is arranged inside the preliminary cleaning chamber 1;
the salting-out chamber 3 is arranged on one side of the preliminary cleaning chamber 1 far away from the oil filter port 101;
the stirring chamber 4 is positioned at the bottom of the primary cleaning chamber 1, and a control device 6 is arranged in the stirring chamber 4;
the fermentation chamber 5 is located below the salting-out chamber 3.
Electric gate A102 is arranged above oil filter opening 101, filter screen 103 is detachably mounted inside one side of preliminary cleaning chamber 1 close to salting-out chamber 3, electric gate B301 is arranged inside one side opening of salting-out chamber 3 close to preliminary cleaning chamber 1, and semipermeable membrane 302 is detachably mounted inside one side of salting-out chamber 3 close to electric gate B301.
After the kitchen waste is kept stand for a period of time, grease can float above water, the oil filtering port 101 is opened at the moment, the grease in the kitchen waste is skimmed, and after the grease is removed, the plastic waste is removed by the plastic bag cleaning device 2.
Contain the pure water in the inside of room 3 of salting out, open electric gate B301, the high salt solution among the kitchen garbage can pass through pellicle 302 and the inside moisture mixture of room 3 of salting out, then reduces the salt content among the kitchen garbage, and solid-state rubbish among the kitchen garbage is filtered by filter screen 103 and can't contact pellicle 302, improves pellicle 302's life.
Plastic bag cleaning device 2 includes locker room 201 and moving motor 202, locker room 201 and moving motor 202 are located preliminary clearing room 1's front and back end respectively, moving motor 202's output fixedly connected with lead screw 203, the outside threaded connection of lead screw 203 has removal post 204, remove the vertical placing of post 204, the horizontal clearance pole 205 of side fixedly connected with several of removal post 204, several cleaning roller 206 has been placed to locker room 201's inside level, and cleaning roller 206 sets up with clearance pole 205 is crisscross, the one end fixedly connected with control wheel 207 of cleaning roller 206, through belt 209 friction drive between the several control wheel 207, bottom control wheel 207 and rotating motor 208's output fixed connection.
Drive clearance pole 205 through lead screw 203 during the use and remove, take away plastic refuse, plastic refuse is after removing to locker room 201, and clearance roller 206 rotates, convolutes plastic refuse around self to clearance pole 205 carries out a lot of work, when needing clearance roller 206 surface rubbish, opens locker room 201, utilizes the cutter to cut clearance roller 206 surface plastic refuse and can clear up.
According to the invention, before the kitchen waste is fermented, unnecessary components are removed in the primary cleaning chamber 1, so that the quality of the prepared organic fertilizer is improved.
Example 3:
referring to fig. 4-7, the difference between the embodiments 1 and 2 is that the control device 6 includes a control motor 601, the control motor 601 is installed at the bottom of the stirring chamber 4 through a screw thread, a rotating disc 602 is fixedly connected to an output end of the control motor 601, a central shaft 604 is connected to a central position of the rotating disc 602, an eccentric shaft 603 is fixedly connected to an outer edge of the rotating disc 602, a bearing is sleeved on an outer side of the eccentric shaft 603, an outer side of the bearing is connected to an eccentric ring 605 through a fixing frame, and a plurality of rotating columns 606 are disposed at a top of the eccentric ring 605;
the control device 6 further comprises a chuck 607, the chuck 607 is fixedly embedded in the bottom of the stirring chamber 4, the inside of the chuck 607 is grooved, a plurality of arc grooves 608 are arranged in the grooves, a central disk 609 is arranged in the chuck 607, a plurality of circular protrusions are arranged on the outer side of the central disk 609, and the rotating column 606 is inserted in a gap between the central disk 609 and the chuck 607.
The circular protrusions of the central disk 609 are provided with 8, the rotary columns 606 are provided with 9, and the arc-shaped grooves 608 are provided with 10.
When the control motor 601 is started, the turntable 602 rotates, and at this time, the central shaft 604 and the eccentric shaft 603 both rotate around the central shaft 604, and the eccentric ring 605 revolves around the central shaft 604 under the combined action of the rotary column 606, the arc-shaped groove 608 and the circular protrusion of the central disk 609, and rotates around itself under the action of the bearing.
The top of the rotary column 606 is fixedly connected with an eccentric disc 405, the eccentric disc 405 is located inside the stirring chamber 4, the top of the eccentric disc 405 is fixedly connected with a stirring barrel 401, the top of the central shaft 604 is connected with a stirring shaft 403, the stirring shaft 403 is inserted into the stirring barrel 401, a stirring rod 404 is arranged outside the stirring shaft 403, a kitchen waste outlet 402 is arranged outside the bottom of the stirring barrel 401, and the kitchen waste outlet 402 is controlled by a controller on the outer surface of the fermentation chamber 5 only when being close to the fermentation chamber 5.
The eccentric disc 405 and the eccentric ring 605 have the same motion track, and the mixing drum 401 and the eccentric disc 405 rotate simultaneously, so that the mixing drum 401 revolves around the central shaft 604 and rotates automatically, the shaking frequency of the kitchen waste in the mixing drum 401 is greatly improved, and meanwhile, the mixing rod 404 rotates around the mixing shaft 403 to mix and crush the kitchen waste.
A water leakage port 501 is formed in the bottom of the fermentation chamber 5, a small-sized filter screen is arranged above the water leakage port 501, an extrusion plate 503 is vertically arranged inside the fermentation chamber 5, and the extrusion plate 503 is driven by an electric push rod 502.
The crushed kitchen waste enters the fermentation chamber 5 for fermentation, the internal water is extruded by the extrusion plate 503, and then yeast colonies are added for fermentation.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The method for preparing the fertilizer from the kitchen waste is characterized by comprising the following steps of:
s1, standing the kitchen waste for 10-12 hours, and removing the grease on the upper layer after oil and water are separated;
s2, reducing the salt content of the kitchen waste;
s3, removing non-decomposable substances in the kitchen waste;
s4, stirring and crushing the kitchen waste;
s5, filtering water in the kitchen waste, and only keeping solid matters;
and S6, fermenting the residual substances to obtain the organic fertilizer.
2. An apparatus for preparing fertilizer from kitchen waste, which is used in the method of claim 1, characterized in that: comprises a preliminary cleaning chamber (1), a salting-out chamber (3), a stirring chamber (4) and a fermentation chamber (5);
an oil filter (101) is formed in the outer side of the upper part of the primary cleaning chamber (1), and a plastic bag cleaning device (2) is arranged in the primary cleaning chamber (1);
the salting-out chamber (3) is arranged on one side of the primary cleaning chamber (1) far away from the oil filter opening (101);
the stirring chamber (4) is positioned at the bottom of the primary cleaning chamber (1), and a control device (6) is arranged in the stirring chamber (4);
the fermentation chamber (5) is positioned below the salting-out chamber (3).
3. The equipment for preparing fertilizer from kitchen waste according to claim 2, characterized in that: the top of straining oil mouth (101) is provided with electric gate A (102), the inside demountable installation in one side that preliminary cleaning chamber (1) is close to salting out room (3) has filter screen (103), one side opening and the inside electric gate B (301) that are close to preliminary cleaning chamber (1) are provided with to salting out room (3), the inside one side that is close to electric gate B (301) of room (3) of salting out can be dismantled and be provided with pellicle (302).
4. The equipment for preparing fertilizer from kitchen waste according to claim 2, characterized in that: the plastic bag cleaning device (2) comprises a storage chamber (201) and a moving motor (202), the storage chamber (201) and the moving motor (202) are respectively positioned at the front end and the rear end of the primary cleaning chamber (1), the output end of the moving motor (202) is fixedly connected with a screw rod (203), the outer side of the screw rod (203) is in threaded connection with a moving column (204), the movable column (204) is vertically arranged, a plurality of horizontal cleaning rods (205) are fixedly connected to the side surface of the movable column (204), a plurality of cleaning rollers (206) are horizontally arranged in the storage chamber (201), and the cleaning rollers (206) and the cleaning rods (205) are arranged in a staggered mode, one end of each cleaning roller (206) is fixedly connected with a control wheel (207), the control wheels (207) are in friction transmission through a belt (209), and the control wheels (207) are fixedly connected with the output end of the rotating motor (208).
5. The equipment for preparing fertilizer from kitchen waste according to claim 2, characterized in that: the control device (6) comprises a control motor (601), the control motor (601) is installed at the bottom of the stirring chamber (4) in a threaded mode, the output end of the control motor (601) is fixedly connected with a rotary table (602), the center of the rotary table (602) is connected with a central shaft (604), the outer edge of the rotary table (602) is fixedly connected with an eccentric shaft (603), a bearing is sleeved on the outer side of the eccentric shaft (603), the outer side of the bearing is connected with an eccentric ring (605) through a fixing frame, and a plurality of rotating columns (606) are arranged at the top of the eccentric ring (605);
controlling means (6) still include chuck (607), inside the fixed gomphosis of chuck (607) in the bottom of teeter chamber (4), the inside fluting of chuck (607) and inslot are provided with several arc recess (608), center plate (609) have been placed to the inside of chuck (607), the outside of center plate (609) is provided with the circular arch of several, rotating column (606) are inserted and are established in the gap between center plate (609) and chuck (607).
6. The equipment for preparing fertilizer from kitchen waste according to claim 5, characterized in that: the circular protrusions of the central disc (609) are provided with 8, the rotating columns (606) are provided with 9, and the arc-shaped grooves (608) are provided with 10.
7. The equipment for preparing fertilizer from kitchen waste according to claim 5, characterized in that: the top fixedly connected with eccentric disc (405) of column spinner (606), eccentric disc (405) are located the inside of teeter chamber (4), the top fixedly connected with churn (401) of eccentric disc (405), the top of center pin (604) is connected with (mixing) shaft (403), the inside of establishing in churn (401) is inserted in (mixing) shaft (403), the outside of (mixing) shaft (403) is provided with puddler (404), the bottom outside of churn (401) is provided with kitchen residue outlet (402).
8. The equipment for preparing fertilizer from kitchen waste according to claim 2, characterized in that: the bottom of fermentation chamber (5) is provided with hourglass mouth (501), the top of leaking mouth (501) is provided with small-size filter screen, the inside of fermentation chamber (5) is vertically provided with stripper plate (503), stripper plate (503) are through electric putter (502) transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210077937.3A CN114276173B (en) | 2022-01-24 | 2022-01-24 | Method and equipment for preparing fertilizer from kitchen waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210077937.3A CN114276173B (en) | 2022-01-24 | 2022-01-24 | Method and equipment for preparing fertilizer from kitchen waste |
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| Publication Number | Publication Date |
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| CN114276173A true CN114276173A (en) | 2022-04-05 |
| CN114276173B CN114276173B (en) | 2022-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210077937.3A Active CN114276173B (en) | 2022-01-24 | 2022-01-24 | Method and equipment for preparing fertilizer from kitchen waste |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002346517A (en) * | 2001-05-28 | 2002-12-03 | Matsushita Electric Ind Co Ltd | Garbage disposer |
| JP2006142298A (en) * | 2004-11-23 | 2006-06-08 | E-Gmtech Co Ltd | Fermenting, decomposing and abolishing method of residual food garbage and apparatus therefor |
| CN1858027A (en) * | 2005-04-30 | 2006-11-08 | 厦门闽星环境工程服务有限公司 | Method for changing kitchen garbage into fertilizer |
| CN210261769U (en) * | 2019-07-09 | 2020-04-07 | 杭路 | Novel integrated kitchen waste degradation device |
| CN111269035A (en) * | 2020-03-19 | 2020-06-12 | 河北九知农业科技有限公司 | Integrated intelligent kitchen waste treatment equipment |
| CN113305135A (en) * | 2021-06-19 | 2021-08-27 | 廖威 | Kitchen waste biological treatment system |
| CN214639023U (en) * | 2020-12-23 | 2021-11-09 | 天津市滨海新区环境创新研究院 | Kitchen garbage dehydration desalination system |
-
2022
- 2022-01-24 CN CN202210077937.3A patent/CN114276173B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002346517A (en) * | 2001-05-28 | 2002-12-03 | Matsushita Electric Ind Co Ltd | Garbage disposer |
| JP2006142298A (en) * | 2004-11-23 | 2006-06-08 | E-Gmtech Co Ltd | Fermenting, decomposing and abolishing method of residual food garbage and apparatus therefor |
| CN1858027A (en) * | 2005-04-30 | 2006-11-08 | 厦门闽星环境工程服务有限公司 | Method for changing kitchen garbage into fertilizer |
| CN210261769U (en) * | 2019-07-09 | 2020-04-07 | 杭路 | Novel integrated kitchen waste degradation device |
| CN111269035A (en) * | 2020-03-19 | 2020-06-12 | 河北九知农业科技有限公司 | Integrated intelligent kitchen waste treatment equipment |
| CN214639023U (en) * | 2020-12-23 | 2021-11-09 | 天津市滨海新区环境创新研究院 | Kitchen garbage dehydration desalination system |
| CN113305135A (en) * | 2021-06-19 | 2021-08-27 | 廖威 | Kitchen waste biological treatment system |
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| CN114276173B (en) | 2022-12-06 |
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