CN210816682U - Rural domestic waste can pile rotten thing processing apparatus - Google Patents
Rural domestic waste can pile rotten thing processing apparatus Download PDFInfo
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- CN210816682U CN210816682U CN201921728973.1U CN201921728973U CN210816682U CN 210816682 U CN210816682 U CN 210816682U CN 201921728973 U CN201921728973 U CN 201921728973U CN 210816682 U CN210816682 U CN 210816682U
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Abstract
The utility model discloses a rural domestic waste can pile rotten thing processing apparatus. It includes: the device comprises a material feeding part, a fermentation bin part, a control system, a percolation pool and a deodorization device; wherein: the fermentation chamber is a closed stainless steel device, the material input part is positioned at the front end of the fermentation chamber, the fermentation chamber and the control system are integrated from the appearance, the middle part is connected by a push plate hydraulic rod, the percolation chamber and the deodorization device are positioned at the underground part behind the equipment, and the ventilation and percolation liquid pipeline is connected with the domestic garbage to form the fertilizer organic soil which can be used in the farmland after being thoroughly decomposed. In addition, the heavy metal detection amount of the organic soil reaches the standard, and the death rate of escherichia coli (negative) and ascaris ova reaches the standard (more than 98 percent).
Description
Technical Field
The utility model belongs to the technical field of rural domestic waste handles, concretely relates to can make rural domestic waste processing apparatus of rubbish energy, resourceization.
Background
The most of the garbage disposal in China is landfill and incineration. A classification treatment device or a kitchen waste treatment device is adopted and is mainly used for canteens of schools in units; or a large garbage disposal site, which has high investment cost and high transportation cost in the operation process and is not suitable for rural areas in scattered regions. At present, the rural garbage classification: can be a compostable object (barrel), a recyclable object (barrel) and a toxic and harmful object (net cage).
Wherein the compostable matter: in this classification, the organic soil is generally produced from domestic garbage through fermentation, decay, degradation and other biochemical processes under the action of microorganisms.
Recyclable materials: generally refers to waste materials that are convenient to separate, recycle, process and reuse.
Toxic and harmful substances: the toxic and harmful substances refer to substances which contain complex chemical components, heavy metals and the like, are easy to pollute the environment and harm and threaten the health of human bodies, and are easy to cause danger in the treatment process, increase the treatment difficulty and influence the quality of products formed by garbage treatment.
At present, the existing product is a continuous aerobic composting fermentation reactor, is suitable for livestock and poultry farms, garden waste treatment plants and kitchen waste treatment on various scales, and has the price of over 60 ten thousand. In addition, the kitchen waste treatment equipment available on the market has beautiful appearance and higher price (80-90 ten thousand yuan)
According to decision arrangement of the community center and the state academy about developing actions of three years of rural human living environment improvement, rural garbage treatment, sewage treatment, "toilet revolution", village cleaning actions and the like are actively promoted in recent years, the rural appearances are remarkably changed, but the classification and treatment of rural domestic garbage are only in the states of village collection, town transportation and regional treatment, and currently, most of rural domestic garbage is not classified, so that the development of a rural domestic garbage treatment device is also necessary. A rural domestic garbage treatment propulsion device developed by Tianjin city agricultural resource and environment research is designed aiming at the dispersed regions of the village, the domestic garbage can be treated and finished without going out of the village (or going out of the village) after being classified, and organic soil is produced and recycled in the farmland and greening.
The utility model discloses a rural domestic waste processing apparatus, the equipment outward appearance adopts container formula, utilize the static good fermentation technology of maintaining, can pile rotten domestic waste and pour into the fermentation box, utilize the propulsion board to push the fermentation storehouse with rubbish through hydraulic system in, the propulsion board returns the normal position, come and go every day and push away once, domestic waste is through the fermentation of a period in the fermentation storehouse, through indexes such as carbon-nitrogen ratio, the temperature, the air adjust, deodorization and filtration liquid are handled simultaneously, domestic waste becomes the organic soil of fertilizer that the farmland is available after rotten.
Disclosure of Invention
In order to achieve the above object, the present invention discloses the following technical contents:
a rural domestic waste can pile up rotten thing processing apparatus, its characterized in that it includes: the device comprises a material feeding part, a fermentation bin part, a control system, a percolation pool and a deodorization device; wherein: the fermentation chamber is a closed stainless steel device, the material input part is positioned at the front end of the fermentation chamber, the fermentation chamber and the control system are integrated from the appearance, the middle part is connected by a push plate hydraulic rod, the percolation chamber and the deodorization device are positioned at the rear underground part of the equipment and are connected by a ventilation and percolation liquid pipeline;
the material input part comprises: the garbage can comprises a garbage can lifting frame 1, a garbage feeding hole 2 and a pushing plate hydraulic rod 8; the garbage can lifting frame 1 is positioned on the front side of the fermentation bin and is connected with the garbage feeding hole 2 at the top end of the fermentation bin; the push plate hydraulic rod 8 is connected with the push plate 3 and the control part, the push plate 3 is pushed into the fermentation bin through the movement of the push plate hydraulic station 10, and then the push plate returns to the original position;
the fermentation storehouse include: the fermentation chamber comprises a fermentation chamber box body, a temperature sensor 4, a percolate drainage pipeline 5, a fermentation chamber air inlet pipeline 6 and a discharge port 7;
the temperature sensor 4 is positioned at the bin body 2/3 at the top end of the fermentation bin box body and is connected with the instrument control cabinet 14; the temperature in the fermentation bin is displayed on an instrument control cabinet 14, a percolate drainage pipeline 5 is positioned under a discharge hole 7 at the bottom of the fermentation bin box, and the percolate drainage pipeline 5 is provided with a drain hole which is connected with an inlet of a percolation pool; the fermentation chamber air inlet pipeline 6 is arranged at the bottom of the fermentation chamber box body and is provided with an air inlet hole and is connected with the instrument control cabinet 14; the air inlet nourishing is realized by starting the Roots blower 11; the discharge port 7 is positioned at the rear end of the fermentation bin box body, and the completely fermented materials are discharged from the discharge port 7;
the control system comprises: the garbage can lifting hydraulic device 9, the pushing plate hydraulic station 10, the Roots blower 11, the warming and heating device 12 and the instrument control cabinet 14;
the control system is positioned at the left end of the fermentation chamber box body and is divided into an upper layer and a lower layer, the Roots blower 11, the garbage can lifting hydraulic device 9 and the instrument control cabinet 14 are arranged at the upper layer, and the control cabinet is connected with an external power supply; a temperature-increasing heating device 12, a propulsion plate hydraulic station 10 and a pipeline are arranged on the lower layer; the garbage can lifting hydraulic device 9, the pushing plate hydraulic station 10, the temperature sensor 4, the fan 11, the water pump and the temperature-increasing heating device 12 are all connected with electric signals of the power distribution cabinet;
the infiltration pond and deodorizing device include: a filling port 15, an air inlet 16, a percolate inlet 17, an air outlet 18, a submersible pump 19, a percolate outlet 20, a filling 21 and a filling grate 22;
the filling opening 15 is positioned at the top end of the infiltration tank; the air inlet 16 is positioned at the left upper part of the percolation pool, and the other end of the air inlet is connected with the left upper part of the fermentation chamber box body; the percolate inlet 17 is positioned at the lower end of the air inlet of the percolation tank, and the other end of the percolate inlet is connected with a percolate outlet 20 at the bottom of the fermentation bin; the exhaust port 18 is positioned at the top end of the upper right part of the percolation pool; the submersible pump 19 is positioned at the bottom of the infiltration tank and is connected with an percolate outlet 20 in the tank, the filler 21 is directly laid on the filler grate 22 from a filler port at the top end of the infiltration tank, and the filler grate is supported by the bracket at a distance of 15 cm from the bottom of the infiltration tank.
The utility model further discloses a method for processing by adopting a non-rural domestic garbage processing device, which is characterized by comprising the following steps
(1) After being mixed with additives and fermentation inoculants, compostable matters in the household garbage enter the box body through the garbage can lifting frame; adjusting the carbon-nitrogen ratio to 25-30: 1, completely fermenting; the volume percentage of the compostable matters to the additives is 1:1, adding 200 g of fermentation inoculum in each cubic material;
the compostable matters refer to perishable substances in household garbage and agricultural wastes;
the zymophyte agent is a decomposing agent (commercially available) which has the effective viable count of more than 0.5 hundred million/gram and can quickly decompose protein and cellulose-containing organic materials such as livestock and poultry excrement, straws and the like;
(2) the push plate moves into the fermentation bin through a push plate hydraulic rod, and is pushed once after being added every time, and the pushing is controlled by a push plate hydraulic station; fermenting the materials in a fermentation bin for 20-30 days at 50-60 ℃, wherein the addition amount of the fermentation microbial inoculum is 200 g per cubic material; discharging through a discharge port after fermentation;
(3) the leachate enters the inlet of the percolation tank from a leachate outlet of the fermentation bin, reaches the bottom of the percolation tank through deodorization fillers, and is added with 5-10 kilograms of fermentation inoculum according to each cubic filler, and the leachate exceeds a set height, and a submersible pump is started to discharge through the leachate outlet;
(4) setting the temperature, oxygen introduction amount and air exhaust amount of a fermentation bin; the temperature of the fermentation chamber is 45-55 ℃, and the oxygen introduction amount is set when the temperature is less than 40 ℃ or more than 65 ℃ (for example, when the fermentation temperature is 35 ℃, the fan is started, the heating device is started to increase the temperature, when the temperature reaches 40 ℃, the fan and the heating device automatically stop working, when the fermentation temperature is 70 ℃, the air is started to exhaust, the fan starts to reduce the temperature, when the temperature reaches 60 ℃, the fan and the air exhaust stop working), the fan is started to supply oxygen for the fermentation pile body; the garbage can is lifted, oxygen is introduced, air is exhausted, a water pump in the infiltration tank operates, and a manual control button is arranged in the instrument control cabinet.
The utility model further discloses the application of the method for processing by the rural domestic garbage processing device in the aspect of preparing the organic soil of the available fertilizer in the farmland. The experimental results show that the organic soil has the effects of promoting growth and improving yield in both landscaping and farmland planting (see example 4 and example 5).
The indexes that the rural domestic garbage can pile up the rotten objects are as follows:
(1) the color is dark brown, no odor exists, the pH value is 6.5-8.5, and the water content is 30-35%.
(2) The death rate of roundworm eggs is 98-100%; coliform bacteria are negative (meeting the requirement of GB 8172).
(3) The indexes of heavy metal content all reach the standard (vice table 4).
The utility model discloses a rural domestic garbage compostable waste treatment device and a treatment method, which adopts a container type treatment device and occupies less land; the problem of locally treating and recycling the household garbage is solved; reduce the transportation cost and improve the environmental management efficiency.
The utility model discloses a size of the volume design fermentation storehouse of calculating rubbish guarantees the fermentation time, obtains unanimous fermentation product. The daily produced household garbage is classified and then enters the fermentation bin, the propulsion system ensures that the fermentation time of the new garbage and the old garbage in the fermentation bin is the same, and the properties of the obtained fermentation product 'organic soil' are basically consistent. The equipment mainly solves the problem of no field for treating the garbage in rural areas, occupies less land, has less investment (1 ton per day and 20 ten thousand yuan investment), is simple to operate, can realize the local treatment of the household garbage, reduces the transportation cost and improves the environmental management efficiency.
Compared with the prior art, the utility model discloses a rural domestic waste processing apparatus has positive effect lie in:
(1) the utility model discloses a rural domestic waste processing apparatus: the compostable matters are treated and fermented to produce organic soil which can be used for farmland or greening.
(2) And the transportation cost is reduced by local treatment.
(3) The detected amount of heavy metal in organic soil reaches the standard (shown in table 1), and the death rate of escherichia coli (negative) and ascaris ova reaches the standard (more than 98 percent);
drawings
FIG. 1 is a schematic structural view of a rural domestic garbage compostable waste treatment device;
FIG. 2 is a schematic view of the construction of a percolating chamber and a deodorizing device;
FIG. 3 is a compostable waste processing flow diagram;
wherein
1. Garbage can lifting frame 2, garbage feeding hole 3, pushing plate 4 and temperature sensor
5. A percolate drainage pipeline 6 is a fermentation bin air inlet pipeline; 7. discharge port 8, propulsion plate hydraulic rod
9. Garbage can lifting hydraulic device 10, pushing plate hydraulic station 11, Roots blower 12, temperature-increasing heating device
13. A percolate outlet 14 of the fermentation bin is provided with an instrument control cabinet; 15 filling opening 16. air inlet
17. Leachate inlet 18, exhaust port 19, submersible pump 20, leachate outlet 21, filler 22 and filler grate.
Detailed Description
The invention is described below by means of specific embodiments. Unless otherwise specified, the technical means used in the present invention are well known to those skilled in the art. Additionally, the embodiments should be considered illustrative, and not restrictive, of the scope of the invention, which is defined solely by the claims. It will be apparent to those skilled in the art that various changes and modifications can be made in these embodiments without departing from the spirit and scope of the invention.
Example 1
A rural domestic waste compostable thing processing apparatus, it includes: the device comprises a material feeding part, a fermentation bin part, a control system, a percolation pool and a deodorization device; wherein: the fermentation chamber is a closed stainless steel device, the material input part is positioned at the front end of the fermentation chamber, the fermentation chamber and the control system are integrated from the appearance, the middle part is connected by a push plate hydraulic rod, the percolation chamber and the deodorization device are positioned at the rear underground part of the equipment and are connected by a ventilation and percolation liquid pipeline;
the material input part comprises: the garbage can comprises a garbage can lifting frame 1, a garbage feeding hole 2 and a pushing plate hydraulic rod 8; the garbage can lifting frame 1 is positioned on the front side of the fermentation bin and is connected with the garbage feeding hole 2 at the top end of the fermentation bin; the push plate hydraulic rod 8 is connected with the push plate 3 and the control part, the push plate is pushed into the fermentation bin through the movement of the push plate hydraulic station 10, and then the push plate returns to the original position;
the fermentation storehouse include: the fermentation chamber comprises a fermentation chamber box body, a temperature sensor 4, a percolate drainage pipeline 5, a fermentation chamber air inlet pipeline 6 and a discharge port 7;
the temperature sensor 4 is positioned at the bin body 2/3 at the top end of the fermentation bin box body and is connected with the instrument control cabinet 14; the temperature in the fermentation bin is displayed on an instrument control cabinet, a percolate drainage pipeline 5 is positioned under a discharge hole 7 at the bottom of the fermentation bin box, and the percolate drainage pipeline 5 is provided with a drain hole which is connected with an inlet of a percolation pool; the fermentation chamber air inlet pipeline 6 is arranged at the bottom of the fermentation chamber box body and is provided with an air inlet hole and is connected with the instrument control cabinet 14; the air inlet nourishing is realized by starting the Roots blower 11; the discharge port 7 is positioned at the rear end of the fermentation bin box body, and the completely fermented materials are discharged from the discharge port 7;
the control system comprises: the garbage can lifting hydraulic device 9, the pushing plate hydraulic station 10, the Roots blower 11, the warming and heating device 12 and the instrument control cabinet 14;
the control system is positioned at the left end of the fermentation chamber box body and is divided into an upper layer and a lower layer, the Roots blower 11, the garbage can lifting hydraulic device 9 and the instrument control cabinet 14 are arranged at the upper layer, and the control cabinet is connected with an external power supply; a temperature-increasing heating device 12, a propulsion plate hydraulic station 10 and a pipeline are arranged on the lower layer; the garbage can lifting hydraulic device 9, the pushing plate hydraulic station 10, the temperature sensor 4, the fan 11, the water pump and the temperature-increasing heating device 12 are all connected with electric signals of the power distribution cabinet;
the infiltration pond and deodorizing device include: a filling port 15 and a gas inlet 16) are arranged on the filter liquor inlet 17, a gas outlet 18, a submersible pump 19, a filter liquor outlet 20, a filling material 21 and a filling grate 22;
the filling opening 15 is positioned at the top end of the infiltration tank; the air inlet 16 is positioned at the left upper part of the percolation pool, and the other end of the air inlet is connected with the left upper part of the fermentation chamber box body; the percolate inlet 17 is positioned at the lower end of the air inlet of the percolation tank, and the other end of the percolate inlet is connected with a percolate outlet 20 at the bottom of the fermentation bin; the exhaust port 18 is positioned at the top end of the upper right part of the percolation pool; the submersible pump 19 is positioned at the bottom of the infiltration tank and is connected with an percolate outlet 20 in the tank, the filler 21 is directly laid on the filler grate 22 from a filler port at the top end of the infiltration tank, and the filler grate is supported by the bracket at a distance of 15 cm from the bottom of the infiltration tank.
Example 2
The method for treating the non-rural domestic garbage by adopting the non-rural domestic garbage treatment device comprises the following steps
(1) After being mixed with additives and fermentation inoculants, compostable matters in the household garbage enter the box body through the garbage can lifting frame; adjusting the carbon-nitrogen ratio to 25-30: 1, completely fermenting; the volume percentage of the compostable matters to the additives is 1:1, adding 200 g of fermentation inoculum in each cubic material;
the compostable matters refer to perishable substances in household garbage and agricultural planting wastes
The zymophyte agent is a decomposing agent (commercially available) which has the effective viable count of more than 0.5 hundred million/gram and can quickly decompose protein and cellulose-containing organic materials such as livestock and poultry excrement, straws and the like;
(2) the push plate moves into the fermentation bin through a push plate hydraulic rod, and is pushed once after being added every time, and the pushing is controlled by a push plate hydraulic station; fermenting the materials in a fermentation bin for 20-30 days at 50-600 ℃, wherein the addition amount of the fermentation microbial inoculum is 200 g per cubic meter of the materials; discharging through a discharge port after fermentation;
(3) the leachate enters the inlet of the percolation tank from a leachate outlet of the fermentation bin, reaches the bottom of the percolation tank through deodorization fillers, and is added with 5-10 kilograms of fermentation inoculum according to each cubic filler, and the leachate exceeds a set height, and a submersible pump is started to discharge through the leachate outlet;
(4) setting the temperature, oxygen introduction amount and air exhaust amount of a fermentation bin; the temperature of the fermentation chamber is 45-55 ℃ (preferably 45 ℃), the oxygen supply amount is set when the temperature is less than 40 ℃ or more than 65 ℃ (for example, when the fermentation temperature is 35 ℃, the fan is started, the heating device is started to increase the temperature, when the temperature reaches 40 ℃, the fan and the heating device automatically stop working, when the fermentation temperature is 70 ℃, the exhaust air is started, the fan starts to reduce the temperature, and when the temperature reaches 60 ℃, the fan and the exhaust air stop working), the fan is started to supply oxygen to the fermentation stack body; the garbage can is lifted, oxygen is introduced, air is exhausted, a water pump in the infiltration tank operates, and a manual control button is arranged in the instrument control cabinet.
Example 3
The device runs in an ecological station of Guojia ditch in Tianjin city, Ji, and can treat compostable parts in domestic garbage generated in the village. The microbial inoculum is a commercial organic material decomposing agent, and the auxiliary material is a crushed material of crop corn or rice straw.
Only 1 clearing man is needed for the garbage transportation and equipment operation in the village at present. And (4) collecting compostable matters from farmers every morning and afternoon, transporting the compostable matters to an ecological station, pouring the garbage into a fermentation bin according to an operation instruction, observing whether a control instrument ventilates and exhausts air, and checking the material quantity of a discharge hole. And (4) discharging the materials out of the fermentation bin, and then releasing the materials to a ecological station for stabilization, so that the materials are applied to organic soil farmlands. And (3) control indexes: the water content is 30-35%, the pH value is 6.5-8.5, and the death rate of roundworm eggs is more than 95%; coliform bacteria are negative (meeting the requirement of GB 8172). The material source is the compostable matter of the household garbage and the crop waste, and no channel for heavy metal to enter exists, so the indexes of the heavy metal content reach the standard.
Example 4
Practical examples of organic soils in greening applications:
and 4, in 2018, 4-9 months, applying organic soil on the hibiscus syriacus seedlings (40 cm high), and observing whether the organic soil influences the survival and growth of the seedlings. Arrange experiment cultivated in a pot, 3 plants per pot use the different proportions of native soil + turfy soil + organic soil to set up 7 and handle, and the unified management of each processing sees from the test result: the survivors can be obtained by 7 treatments, wherein the growth vigor of the treatment 2 (original soil: turfy soil: organic soil =1:1: 3) is the most vigorous.
Example 5
Practical examples of organic soil utilization in agricultural fields:
in 2018, the organic soil is planted on broccoli and the test is divided into 1000, 1500 and 2000 kg/mu 3 treatments by applying the organic soil. And (3) test results: the yield of the broccoli is 1032-1214 kg/mu, and compared with the method without applying organic soil, the yield increase amplitude is 4.7-23.1%. The application amount of the organic soil is 2000 kg/mu, and the yield of the broccoli is the highest and reaches 1214 kg/mu.
Claims (1)
1. A rural domestic waste can pile up rotten thing processing apparatus, its characterized in that it includes: the device comprises a material feeding part, a fermentation bin, a control system, a percolation pool and a deodorization device; wherein: the fermentation chamber is a closed stainless steel device, the material input part is positioned at the front end of the fermentation chamber, the fermentation chamber and the control system are integrated from the appearance, the middle part is connected by a push plate hydraulic rod, the percolation chamber and the deodorization device are positioned at the rear underground part of the equipment and are connected by a ventilation and percolation liquid pipeline;
the material input part comprises: the garbage can comprises a garbage can lifting frame (1), a garbage feeding hole (2) and a pushing plate hydraulic rod (8); the garbage can lifting frame (1) is positioned on the front side of the fermentation bin and is connected with the garbage feeding port (2) at the top end of the fermentation bin; the push plate hydraulic rod (8) is connected with the push plate (3) and the control part to enable the push plate to move back and forth in the fermentation bin;
the fermentation storehouse include: the fermentation chamber comprises a fermentation chamber box body, a temperature sensor (4), a percolate drainage pipeline (5), a fermentation chamber air inlet pipeline (6) and a discharge hole (7);
the temperature sensor (4) is positioned at the bin body 2/3 at the top end of the fermentation bin box body and is connected with the instrument control cabinet (14); the percolate drainage pipeline (5) is positioned under the discharge hole (7) at the bottom of the fermentation chamber box body, and the percolate drainage pipeline (5) is provided with a drainage hole connected with the inlet of the percolation chamber; the fermentation chamber air inlet pipelines (6) are arranged at the bottom of the fermentation chamber box body and are provided with air inlet holes and connected with the instrument control cabinet (14); the discharge hole (7) is positioned at the rear end of the fermentation chamber box body, and the completely fermented materials are discharged from the discharge hole (7);
the control system comprises: the garbage can lifting hydraulic device (9), a pushing plate hydraulic station (10), a Roots blower (11), a temperature-increasing heating device (12) and an instrument control cabinet (14);
the control system is positioned at the left end of the fermentation chamber box body and is divided into an upper layer and a lower layer, the Roots blower (11), the garbage can lifting hydraulic device (9) and the instrument control cabinet (14) are arranged at the upper layer, and the control cabinet is connected with an external power supply; a temperature-increasing heating device (12), a propulsion plate hydraulic station (10) and a pipeline are arranged on the lower layer; the garbage can lifting hydraulic device (9), the pushing plate hydraulic station (10), the temperature sensor (4), the fan (11), the water pump and the temperature-increasing heating device (12) are all connected with electric signals of the power distribution cabinet;
the infiltration pond and deodorizing device include: a filling port (15), an air inlet (16), a percolate inlet (17), an air outlet (18), a submersible pump (19), a percolate outlet (20), a filling (21) and a filling grate (22);
the filling opening (15) is positioned at the top end of the infiltration tank; the air inlet (16) is positioned at the left upper part of the percolation pool, and the other end of the air inlet is connected with the left upper part of the fermentation chamber box body; the percolate inlet (17) is positioned at the lower end of the air inlet of the percolation pool, and the other end of the percolate inlet is connected with a percolate outlet (20) at the bottom of the fermentation bin; the exhaust port (18) is positioned at the top end of the upper right part of the percolation pool; the submerged pump (19) is positioned at the bottom of the infiltration tank and is connected with an percolate outlet (20) in the tank, the filler (21) is directly laid on the filler grate (22) from a filler port at the top end of the infiltration tank, and the filler grate is 15 cm away from the bottom of the infiltration tank and is supported by a support.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110624939A (en) * | 2019-10-16 | 2019-12-31 | 天津市农业资源与环境研究所 | Rural domestic garbage compostable rotten matter treatment device and treatment method |
| CN112430142A (en) * | 2020-11-17 | 2021-03-02 | 玉林市博睿农牧科技有限公司 | Raw material mixing fermentation equipment |
-
2019
- 2019-10-16 CN CN201921728973.1U patent/CN210816682U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110624939A (en) * | 2019-10-16 | 2019-12-31 | 天津市农业资源与环境研究所 | Rural domestic garbage compostable rotten matter treatment device and treatment method |
| CN112430142A (en) * | 2020-11-17 | 2021-03-02 | 玉林市博睿农牧科技有限公司 | Raw material mixing fermentation equipment |
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Effective date of registration: 20210112 Address after: 300192, 26 Nankai District Aerospace Road, Tianjin Patentee after: Tianjin Academy of Agricultural Sciences Address before: 300384 17 kilometers, Jin Jing Road, Xiqing District, Tianjin Patentee before: TIANJIN INSTITUTE OF AGRICULTURAL RESOURCES AND ENVIRONMENT SCIENCE |
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