CN110642654A - Urban kitchen waste anaerobic fermentation biogas residue aerobic composting stirring system - Google Patents
Urban kitchen waste anaerobic fermentation biogas residue aerobic composting stirring system Download PDFInfo
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- CN110642654A CN110642654A CN201911135553.7A CN201911135553A CN110642654A CN 110642654 A CN110642654 A CN 110642654A CN 201911135553 A CN201911135553 A CN 201911135553A CN 110642654 A CN110642654 A CN 110642654A
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- stirring
- anaerobic fermentation
- aerobic treatment
- treatment box
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F9/00—Fertilisers from household or town refuse
- C05F9/02—Apparatus for the manufacture
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F9/00—Fertilisers from household or town refuse
- C05F9/04—Biological compost
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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
Abstract
The invention discloses an anaerobic fermentation biogas residue aerobic composting stirring system for urban kitchen waste, which comprises a supporting plate and a supporting leg assembly, wherein the supporting leg assembly is arranged on the lower wall surface of the supporting plate, a material conveying and feeding structure is arranged on the supporting plate, and a fine stirring structure and an oxygen introducing and controlling structure are arranged on the material conveying and feeding structure; the device is researched and improved on the structure and the idea, the conveying pipe is added to be matched with the conveying pump, so that the device can directly convey the anaerobic fermentation biogas residues of the municipal kitchen waste to an aerobic treatment device, the manual transfer procedure is reduced, the device has the capability of adjusting the height of the stirring teeth by adding the electric push rod, the stirring is sufficient and more sufficient, the device is also provided with the oxygen bottle, the device has the capability of sufficient oxygen supply, the reproduction of aerobic bacteria is promoted, the composting working efficiency is integrally improved, the conversion rate is improved, and the better processing work of the aerobic composting of the anaerobic fermentation biogas residues of the municipal kitchen waste is promoted.
Description
Technical Field
The invention relates to the technical field of processing equipment for anaerobic fermentation and aerobic composting of biogas residues of municipal kitchen waste, in particular to a stirring system for anaerobic fermentation and aerobic composting of biogas residues of municipal kitchen waste.
Background
As is known, compost is an organic fertilizer, contains rich nutrient substances, has long and stable fertilizer effect, is beneficial to promoting the formation of a soil solid particle structure, can increase the water retention, heat preservation, air permeability and fertilizer preservation capability of soil, can make up the defect of single nutrient contained in the fertilizer when being mixed with the fertilizer, and has the defects of soil hardening and water and fertilizer preservation performance reduction caused by single use of the fertilizer for a long time.
When urban kitchen waste is used as a composting raw material, the organic fertilizer can be obtained by performing aerobic treatment and anaerobic treatment on the urban kitchen waste to perform decomposition composting treatment, in recent years, the organic fertilizer is also obtained by performing aerobic treatment on biogas residues obtained by anaerobic fermentation of the urban kitchen waste, substances such as catalysts, bactericide catalysts and the like need to be added in the processing process, so that the composting and fertilizing effects are better, the conventional equipment can only perform single stirring, the stirring effect is not good, the working efficiency is lower, the conventional equipment cannot reasonably supply oxygen, anaerobic bacteria are easy to breed, the aerobic treatment work is influenced, in addition, the conventional equipment needs to manually transfer and convey the anaerobic fermentation biogas residues of the urban kitchen waste into the device during working, the energy of workers is wasted, the working efficiency is influenced, and therefore, the problems are deeply researched, the method is used for generating the same.
Disclosure of Invention
The invention aims to solve the problems, designs an aerobic composting and stirring system for anaerobic fermentation biogas residues of municipal kitchen waste, and solves the technical problems that the existing equipment can only carry out single stirring, the stirring effect is not good, the working efficiency is low, the existing equipment can not reasonably supply oxygen, anaerobic bacteria are easily bred, the aerobic treatment work is influenced, and in addition, the existing equipment needs to transfer and convey the anaerobic fermentation biogas residues of the municipal kitchen waste into the device manually during working, the energy of workers is wasted, and the working efficiency is influenced.
The technical scheme of the invention for realizing the aim is as follows: an anaerobic fermentation biogas residue aerobic compost stirring system for urban kitchen waste comprises a supporting plate and a supporting leg assembly, wherein the supporting leg assembly is arranged below the supporting plate, a material conveying and feeding structure is arranged on the supporting plate, and a fine stirring structure and an oxygen introducing and controlling structure are arranged on the material conveying and feeding structure;
defeated material reinforced structure includes: the anaerobic fermentation component, the aerobic treatment box, the rubber ring and the material conveying and feeding part;
the anaerobic fermentation assembly is arranged above the supporting plate, the aerobic treatment box is embedded on the supporting plate and is positioned on the right side of the anaerobic fermentation box, the rubber ring is sleeved on the aerobic treatment box and is connected to the supporting plate, and the material conveying and feeding part is arranged on the aerobic treatment box;
defeated material feeding portion includes: the device comprises a connecting pipe, a conveying pump and a material conveying and feeding assembly; one end of the connecting pipe is arranged on the anaerobic fermentation assembly, the other end of the connecting pipe is inserted on the upper wall surface of the aerobic treatment box, the conveying pump is arranged on the upper wall surface of the aerobic treatment box and is arranged on the connecting pipe, and the material conveying and feeding assembly is arranged on the aerobic treatment box;
the fine stirring structure comprises a telescopic rod protection box, an electric telescopic rod, a moving box, a rotating rod and a fine stirring part; the telescopic rod protection box is arranged on the upper wall surface of the aerobic treatment box, the electric telescopic rod is arranged in the telescopic rod protection box, the telescopic end of the electric telescopic rod passes through the upper wall surface of the telescopic rod protection box and extends outwards, the moving box is arranged on the telescopic end of the electric telescopic rod, the rotary rod is movably connected to the moving box and is movably connected to the aerobic treatment box, and the fine stirring part is arranged on the aerobic treatment box;
the oxygen introducing and controlling structure comprises: the oxygen supplying and controlling part is arranged on the oxygen supplying and controlling part; the control panel is arranged on the side wall surface of the aerobic treatment box body, the pair of fixing belts are arranged on the side wall surface of the aerobic treatment box body and positioned on the right side of the control panel, and the oxygen introducing control part is arranged on the aerobic treatment box body.
Preferably, the feeding and conveying assembly comprises a feeding box, a pair of clamping plates with the same structure and a baffle; the charging box is arranged on the right side wall surface of the aerobic treatment box, the clamping plates are arranged on the inner wall surface of the charging box and correspond to each other, and the baffle is inserted in the clamping plates.
Preferably, the fine stirring part comprises a plurality of first stirring rods with the same structure, a plurality of second stirring rods with the same structure and a fine stirring assembly; a plurality of first puddler equidistance is installed on the rotary rod, and is a plurality of second puddler equidistance is installed on the rotary rod, and is located a plurality of first puddler downside, meticulous stirring subassembly install in a plurality of on the first stirring tooth.
Preferably, the fine stirring assembly comprises: the device comprises a plurality of first stirring teeth with the same structure, a plurality of second stirring teeth with the same structure, a servo motor, a first gear and a second gear; a plurality of first stirring tooth equidistance respectively install in a plurality of on the first puddler, it is a plurality of second stirring tooth equidistance respectively installs in a plurality of on the second puddler, servo motor installs on the wall on the removal case, first gear movable mounting is in the removal case, second gear movable mounting is in the removal case, and is located first gear left side to with first gear engagement.
Preferably, the oxygen supply and control assembly includes: an oxygen pipe, a discharge pipe and a control valve; one end of the oxygen pipe is arranged on the oxygen bottle, the other end of the oxygen pipe is inserted into the aerobic treatment box, the discharge pipe is arranged at the lower end of the aerobic treatment box, and the control valve is embedded on the discharge pipe.
Preferably, the rubber sleeve is installed on the supporting leg assembly, and the motor protective sleeve is installed on the servo motor.
The urban kitchen waste anaerobic fermentation biogas residue aerobic composting stirring system manufactured by the technical scheme is researched and improved in structure and concept, the urban kitchen waste anaerobic fermentation biogas residue can be directly conveyed to aerobic treatment equipment by adding a material conveying and feeding structure, manual transfer procedures are reduced, the device has the capability of adjusting the height of stirring teeth by adding a fine stirring structure, stirring is sufficient and sufficient, the device is also provided with an oxygen bottle, the device has the capability of supplying sufficient oxygen, aerobic bacteria propagation is promoted, composting working efficiency is integrally improved, conversion rate is improved, and the urban kitchen waste anaerobic fermentation biogas residue aerobic composting processing work is better promoted.
Drawings
FIG. 1 is a schematic structural diagram of a main view of an anaerobic fermentation biogas residue aerobic composting stirring system for municipal kitchen waste.
FIG. 2 is a schematic diagram of a main-view appearance structure of the anaerobic fermentation biogas residue aerobic composting stirring system for municipal kitchen waste.
FIG. 3 is a schematic side view of the anaerobic fermentation biogas residue aerobic composting stirring system for municipal kitchen waste.
FIG. 4 is a schematic top view of the anaerobic fermentation biogas residue aerobic composting stirring system for municipal kitchen waste.
FIG. 5 is a schematic view of a partially enlarged structure at a position a of the anaerobic fermentation biogas residue aerobic composting stirring system for municipal kitchen waste shown in FIG. 1.
FIG. 6 is a schematic diagram of a partial enlarged structure at a position b of the stirring system for anaerobic fermentation of biogas residues and aerobic composting of municipal kitchen waste according to the invention and FIG. 4.
FIG. 7 is a schematic diagram of a partial enlarged structure at a position c of the stirring system for anaerobic fermentation of biogas residues and aerobic composting of municipal kitchen waste shown in FIG. 2.
In the figure: 1-a support plate; 2-a leg assembly; 3-an anaerobic fermentation component; 4-aerobic treatment box; 5-rubber ring; 6-connecting pipe; 7-a delivery pump; 8-a feed box; 9-clamping plate; 10-a baffle plate; 11-telescopic rod protection box; 12-an electric telescopic rod; 13-a mobile box; 14-rotating the bar; 15-a first stirring rod; 16-a second stirring rod; 17-a first rabble tooth; 18-a second rabble tooth; 19-a servo motor; 20-a first gear; 21-a second gear; 22-a control panel; 23-fixing the belt; 24-an oxygen cylinder; 25-pressure gauge; 26-an oxygen tube; 27-a discharge pipe; 28-a control valve; 29-rubber sleeve; 30-motor protective sleeve.
Detailed Description
The invention is described in detail with reference to the accompanying drawings, and as shown in fig. 1-7, an aerobic composting stirring system for anaerobic fermentation of biogas residues of municipal kitchen waste comprises a support plate 1 and a leg assembly 2, wherein the support plate 1 and the leg assembly 2 are matched with each other to integrally support, a holding device is stable, the leg assembly 2 is arranged on the lower wall surface of the support plate 1, a material conveying and feeding structure is arranged on the support plate 1, and a fine stirring structure and an oxygen introducing and controlling structure are arranged on the material conveying and feeding structure;
in the specific implementation process, it is worth focusing on explaining that the material conveying and feeding structure in the scheme comprises: anaerobic fermentation subassembly 3, aerobic treatment case 4, rubber circle 5 and defeated material feeding portion, its relation of connection and position relation are as follows:
the anaerobic fermentation component 3 is arranged on the upper wall surface of the supporting plate 1, the aerobic treatment box 4 is embedded on the supporting plate 1 and is positioned on the right side of the anaerobic fermentation box, the rubber ring 5 is sleeved on the aerobic treatment box 4 and is connected on the supporting plate 1, and the material conveying and feeding part is arranged on the aerobic treatment box 4;
according to the above content, the anaerobic fermentation component 3 is used for carrying out anaerobic fermentation treatment on the municipal kitchen waste, and the municipal kitchen waste is converted into anaerobic fermentation biogas residue materials required by aerobic composting treatment through the process, the device focuses on research and improvement on anaerobic fermentation biogas residue aerobic composting of the municipal kitchen waste, the anaerobic fermentation component 3 is introduced in the prior art, and is not described herein any more, and the aerobic treatment tank 4 is used for providing space for composting when being used for aerobic processing;
foretell defeated material feeding portion includes: connecting pipe 6, delivery pump 7 and defeated material reinforced subassembly, its relation of connection and position relation are as follows:
one end of a connecting pipe 6 is arranged on the anaerobic fermentation component 3, the other end is inserted on the upper wall surface of the aerobic treatment box 4, a delivery pump 7 is arranged on the upper wall surface of the aerobic treatment box 4 and is arranged on the connecting pipe 6, a material conveying and feeding component is arranged on the aerobic treatment box 4,
according to the above, biogas residues generated by the anaerobic fermentation component 3 during operation are conveyed to the aerobic treatment tank 4 by the connecting pipe 6, the conveying pump 7 provides power for conveying operation, and biogas residues are directly conveyed to the container for aerobic composting treatment, so that manual transportation operation is reduced, labor expenditure is reduced, and meanwhile composting efficiency is improved;
foretell reinforced defeated material subassembly includes: the feed box 8, a pair of cardboard 9 and baffle 10 that the structure is the same, its relation of connection and positional relationship are as follows:
the charging box 8 is arranged on the right side wall surface of the aerobic treatment box 4, the pair of clamping plates 9 are arranged on the inner wall surface of the charging box 8 and are mutually corresponding, and the baffle plate 10 is inserted on the pair of clamping plates 9;
the fine stirring structure comprises: the telescopic rod protection box 11, the electric telescopic rod 12, the moving box 13, the rotating rod 14 and the fine stirring part are connected and positioned as follows:
the telescopic rod protection box 11 is arranged on the upper wall surface of the aerobic treatment box 4, the electric telescopic rod 12 is arranged in the telescopic rod protection box 11, the telescopic end penetrates through the upper wall surface of the telescopic rod protection box 11 and extends outwards, the moving box 13 is arranged on the telescopic end of the electric telescopic rod 12, the rotating rod 14 is movably connected to the moving box 13 and movably connected to the aerobic treatment box 4, and the fine stirring part is arranged on the aerobic treatment box 4;
preferably, the fine stirring section includes: the connection and position relationships of the first stirring rods 15 with the same structure, the second stirring rods 16 with the same structure and the fine stirring assembly are as follows:
the plurality of first stirring rods 15 are equidistantly arranged on the rotating rod 14, the plurality of second stirring rods 16 are equidistantly arranged on the rotating rod 14 and are positioned at the lower sides of the plurality of first stirring rods 15, and the fine stirring assembly is arranged on the plurality of first stirring teeth 17;
preferably, the fine stirring member further includes: a plurality of first stirring teeth 17 with the same structure, a plurality of second stirring teeth 18 with the same structure and a servo motor 19, wherein the connection relation and the position relation are as follows:
a plurality of first stirring teeth 17 are respectively and equidistantly arranged on a plurality of first stirring rods 15, a plurality of second stirring teeth 18 are respectively and equidistantly arranged on a plurality of second stirring rods 16, a servo motor 19 is arranged on the upper wall surface of the moving box 13, a first gear 20 is movably arranged in the moving box 13, and a second gear 21 is movably arranged in the moving box 13, is positioned on the left side of the first gear 20 and is meshed with the first gear 20.
The above-mentioned oxygen and control structure includes: the control panel 22, a pair of fixing belts 23 with the same structure and an oxygen supplying and controlling part have the following connection relationship and position relationship:
a control panel 22 is arranged on the side wall surface of the body of the aerobic treatment box 4, a pair of fixing belts 23 are arranged on the side wall surface of the aerobic treatment box and are positioned at the right side of the control panel 22, and an oxygen introducing control part is arranged on the aerobic treatment box 4;
preferably, the oxygen supply and control unit further includes: the oxygen cylinder 24, the pressure gauge 25 and the oxygen introducing and controlling component are connected and positioned as follows:
an oxygen cylinder 24 is arranged on the aerobic treatment box 4 through a pair of fixing belts 23, a pressure gauge 25 is arranged on the oxygen cylinder 24, and an oxygen introducing and controlling component is arranged on the aerobic treatment box 4;
preferably, the oxygen supply and control unit further comprises: the connection and position relationship among the oxygen pipe 26, the discharge pipe 27 and the control valve 28 are as follows:
one end of an oxygen pipe 26 is arranged on the oxygen bottle 24, the other end is inserted on the aerobic treatment box 4, a discharge pipe 27 is arranged at the lower end of the aerobic treatment box 4, and a control valve 28 is embedded on the discharge pipe 27;
according to the above overall description, when the device is used for anaerobic fermentation biogas residue aerobic composting of municipal kitchen waste, a worker is required to manually switch on a power supply, a switch is turned on, the device enters a working state, the delivery pump 7 works to deliver biogas residue produced by anaerobic fermentation component 3 into the aerobic treatment box 4 through the delivery pipe for composting, when materials such as additives and catalysts are added, the worker is required to manually pull the baffle plate to enable the baffle plate 10 to slide along the clamping plate 9, the materials to be added are placed into the feeding box 8, the materials can enter the aerobic treatment box 4 through the opening at the baffle plate 10, then the baffle plate 10 is pressed down to close the opening, at the moment, the servo motor 19 is controlled by the control panel 22 to operate, the servo motor 19 is driven to drive the rotating rod 14 to rotate through the transmission of the first gear 20 and the second gear 21, and the stirring rod rotates along with the rotating rod 14, stirring the biogas residue materials in the aerobic treatment tank 4 to be uniformly stirred, stirring compost by stirring during working, preventing caking and contact of the compost materials with oxygen, introducing oxygen into the device by a worker at regular time to increase the activity of aerobic bacteria and reduce the breeding influence of anaerobic bacteria, and introducing oxygen to enable the worker to adjust through the control panel 22, so that oxygen is added into the aerobic treatment tank 4 from the oxygen bottle 24 through the oxygen pipe 26, the oxygen is fully utilized by matching with stirring, and the oxygen meter is used for indicating the oxygen storage capacity and prompting replacement, so that the aerobic composting work of anaerobic fermentation biogas residue of the municipal kitchen waste can be better promoted by using the device;
preferably, the leg assembly 2 is provided with a rubber sleeve 29 for preventing the device from sliding, and the servo motor 19 is provided with a motor protective sleeve 30 for protecting the servo motor 19 so as to promote the composting.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (7)
1. An aerobic compost stirring system for anaerobic fermentation biogas residues of municipal kitchen waste comprises a supporting plate (1) and a supporting leg assembly (2), and is characterized in that the supporting leg assembly (2) is arranged below the supporting plate (1), a material conveying and feeding structure is arranged on the supporting plate (1), and a fine stirring structure and an oxygen introducing and controlling structure are arranged on the material conveying and feeding structure;
defeated material reinforced structure includes: the anaerobic fermentation component (3), the aerobic treatment box (4), the rubber ring (5) and the material conveying and feeding part;
the anaerobic fermentation component (3) is arranged above the supporting plate (1), the aerobic treatment box (4) is embedded on the supporting plate (1) and is positioned at the right side of the anaerobic fermentation box, the rubber ring (5) is sleeved on the aerobic treatment box (4) and is connected to the supporting plate (1), and the material conveying and feeding part is arranged on the aerobic treatment box (4);
the material conveying and feeding part comprises a connecting pipe (6), a conveying pump (7) and a material conveying and feeding assembly; one end of the connecting pipe (6) is arranged on the anaerobic fermentation component (3), the other end of the connecting pipe is inserted on the upper wall surface of the aerobic treatment box (4), the conveying pump (7) is arranged on the upper wall surface of the aerobic treatment box (4) and is arranged on the connecting pipe (6), and the material conveying and feeding component is arranged on the aerobic treatment box (4);
the fine stirring structure comprises a telescopic rod protection box (11), an electric telescopic rod (12), a moving box (13), a rotating rod (14) and a fine stirring part; the telescopic rod protection box (11) is arranged on the upper wall surface of the aerobic treatment box (4), the electric telescopic rod (12) is arranged in the telescopic rod protection box (11), the telescopic end penetrates through the upper wall surface of the telescopic rod protection box (11) to extend outwards, the moving box (13) is arranged on the telescopic end of the electric telescopic rod (12), the rotary rod (14) is movably connected to the moving box (13) and is movably connected to the aerobic treatment box (4), and the fine stirring part is arranged on the aerobic treatment box (4);
the oxygen introducing and controlling structure comprises: a control panel (22), a pair of fixing belts (23) with the same structure and an oxygen supply and control part; the control panel (22) is arranged on the side wall surface of the body of the aerobic treatment box (4), the fixing belts (23) are arranged on the side wall surface of the aerobic treatment box and positioned on the right side of the control panel (22), and the oxygen introducing control part is arranged on the aerobic treatment box (4).
2. The aerobic composting stirring system for anaerobic fermentation biogas residues of municipal kitchen waste according to claim 1, wherein the feeding and conveying component comprises a feeding box (8), a pair of clamping plates (9) with the same structure and a baffle (10);
the feeding box (8) is arranged on the right side wall surface of the aerobic treatment box (4), the clamping plates (9) are arranged on the inner wall surface of the feeding box (8) and correspond to each other, and the baffle plates (10) are inserted into the clamping plates (9).
3. The stirring system for anaerobic fermentation and aerobic composting of biogas residues in municipal kitchen waste according to claim 1, wherein the fine stirring part comprises: a plurality of first stirring rods (15) with the same structure, a plurality of second stirring rods (16) with the same structure and a fine stirring component;
a plurality of first puddler (15) equidistance is installed on rotary rod (14), and is a plurality of second puddler (16) equidistance is installed on rotary rod (14), and is located a plurality of first puddler (15) downside, meticulous stirring subassembly install in a plurality of on first stirring tooth (17).
4. The stirring system for anaerobic fermentation and aerobic composting of biogas residues in municipal kitchen waste according to claim 3, wherein the fine stirring component comprises: a plurality of first stirring teeth (17) with the same structure, a plurality of second stirring teeth (18) with the same structure, a servo motor (19), a first gear (20) and a second gear (21);
a plurality of first stirring tooth (17) equidistance respectively install in a plurality of on first puddler (15), a plurality of second stirring tooth (18) equidistance respectively install in a plurality of on second puddler (16), servo motor (19) are installed on removing case (13) the wall, first gear (20) movable mounting is in removing case (13), second gear (21) movable mounting is in removing case (13), and is located first gear (20) left side to mesh with first gear (20).
5. The system for stirring the anaerobic fermentation biogas residue and the aerobic compost of the municipal kitchen waste according to claim 1, wherein the oxygen supply and control part comprises: an oxygen cylinder (24), a pressure gauge (25) and an oxygen introducing and controlling component;
the oxygen cylinder (24) is arranged on the aerobic treatment box (4) through the pair of fixing belts (23), the pressure gauge (25) is arranged on the oxygen cylinder (24), and the oxygen introducing and controlling assembly is arranged on the aerobic treatment box (4).
6. The system for stirring the anaerobic fermentation biogas residue and the aerobic compost of the municipal kitchen waste according to claim 5, wherein the oxygen supply and control assembly comprises: an oxygen pipe (26), a discharge pipe (27), and a control valve (28);
one end of the oxygen pipe (26) is arranged on the oxygen bottle (24), the other end of the oxygen pipe is inserted into the aerobic treatment box (4), the discharge pipe (27) is arranged at the lower end of the aerobic treatment box (4), and the control valve (28) is embedded on the discharge pipe (27).
7. The stirring system for anaerobic fermentation and aerobic composting of biogas residues in municipal kitchen waste according to claim 4, wherein a rubber sleeve (29) is installed on the leg assembly (2), and a motor protective sleeve (30) is installed on the servo motor (19).
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| CN111466589A (en) * | 2020-04-28 | 2020-07-31 | 青岛宏瑞特食品有限公司 | Pretreatment systems of kiwi fruit preserved fruit production |
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