CN111662110A - A multistage utilization of resources device for organic solid waste - Google Patents
A multistage utilization of resources device for organic solid waste Download PDFInfo
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- CN111662110A CN111662110A CN202010427014.7A CN202010427014A CN111662110A CN 111662110 A CN111662110 A CN 111662110A CN 202010427014 A CN202010427014 A CN 202010427014A CN 111662110 A CN111662110 A CN 111662110A
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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
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/90—Apparatus therefor
- C05F17/964—Constructional parts, e.g. floors, covers or doors
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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
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/20—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation using specific microorganisms or substances, e.g. enzymes, for activating or stimulating the treatment
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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
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/90—Apparatus therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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- Tropical Medicine & Parasitology (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a multistage resource utilization device for organic solid waste, which comprises a device shell, a primary treatment device and a secondary treatment device, wherein the primary treatment device is arranged in the device shell and is used for pretreating the organic solid waste, and the secondary treatment device is arranged in the device shell and is used for retreating the pretreated organic solid waste; the invention has reasonable integral structure design, adopts primary treatment equipment to crush and compress the mailing solid waste aiming at a little water content in the organic solid waste, so that the water content of the organic solid waste is suddenly reduced, and then utilizes secondary treatment equipment to specifically treat two different wastes generated by the treatment equipment, thereby being more efficient; the device can realize the mass production of the organic solid waste, avoids the problems of land occupation and odor influence on the air quality of composting treatment, and is suitable for mass popularization.
Description
Technical Field
The invention relates to the technical field of organic matter treatment equipment, in particular to a multistage resource utilization device for organic solid waste.
Background
Solid waste is divided into organic and inorganic wastes.
The organic solid waste generally refers to organic waste with water content of less than 85% -90% and can be biochemically degraded, and the organic solid waste generally has biodegradability. The organic waste treatment refers to the physical, chemical and biological treatment of organic waste and pollutants thereof, so that the pollution to the environment is reduced and even the waste is changed into valuable.
The prior art treatment method for organic solids is composting organic solid waste. However, as society develops, the accumulation of organic solid wastes in large quantities has a great adverse effect on the environment; the mass compost not only occupies a large area of field, but also causes damage to the air quality to a certain extent. Therefore, there is a need for a comprehensive and integrated treatment facility for organic solid waste produced in cities to replace the composting treatment of organic solid waste.
Disclosure of Invention
Aiming at the existing problems, the invention provides a multistage resource utilization device for organic solid wastes, which can be used for carrying out batch treatment on the organic solid wastes, effectively shortens the treatment time and avoids the problem of pollution and damage of compost to the environment.
The technical scheme of the invention is as follows: a multi-stage resource utilization device for organic solid waste comprises a device shell, a primary treatment device and a secondary treatment device, wherein the primary treatment device is arranged in the device shell and used for pretreating the organic solid waste, and the secondary treatment device is arranged in the device shell and used for retreating the pretreated organic solid waste; the primary treatment equipment is characterized by comprising an equipment shell, a crushing unit, a separation unit and a power unit, wherein the crushing unit is arranged in the equipment shell and used for crushing, the separation unit is arranged in the equipment shell and used for carrying out solid-liquid separation, and the power unit is used for providing power for the crushing unit and the separation unit;
the equipment shell comprises a first equipment shell, a second equipment shell and a third equipment shell, wherein the first equipment shell and the second equipment shell are arranged in parallel up and down, and the third equipment shell is arranged at the lower end of the second equipment shell; the first equipment shell, the second equipment shell and the third equipment shell are communicated;
the crushing unit comprises a first belt seat bearing capable of being arranged on the side wall of a first equipment shell, 2 crushing cutter shafts capable of being arranged inside the first equipment shell through the belt seat bearing, a plurality of crushing blades uniformly arranged on the crushing cutter shafts, and a spacer ring arranged between every two adjacent crushing blades;
the separation unit comprises 2 push plates which are relatively placed in the second equipment shell, 2 telescopic rods which are respectively arranged on the 2 push plates and penetrate through the side wall of the second equipment shell, a blanking bobbin which is arranged on the side wall of the second equipment shell and is vertical to the telescopic rods, a second bearing with a seat which is arranged on the side wall of the second equipment shell, rotary slurry which is arranged on the side wall of the second equipment shell through the second bearing with a seat and can penetrate through the second equipment shell and the blanking bobbin, and a liquid leakage plate which is arranged at the lower end of the second equipment shell;
the power unit comprises a first motor for providing power for the crushing cutter shaft, 2 second motors for providing power for 2 telescopic rods respectively and a third motor for providing power for the rotary propeller;
the secondary treatment equipment comprises first treatment equipment connected with the blanking bobbin for solid treatment and second treatment equipment connected with the third equipment shell for liquid treatment.
Furthermore, a first spiral feeding device is arranged inside the device shell, and a feeding notch is formed in the outer side wall of the device shell; a feeding port of the spiral feeding equipment is connected with the feeding port, and a discharging port of the spiral feeding equipment is connected with a feeding port of the first equipment shell; the amount of labour when utilizing first spiral feeding equipment and feed notch collocation to use can alleviate the material loading effectively, and the practicality is stronger in the in-service use.
Furthermore, the first processing device comprises a feeding unit and a fermentation unit connected with the feeding device; the feeding unit comprises a second spiral feeding device which can be connected with the discharging bobbin, and a feeding device which can feed materials into the fermentation unit; utilize second spiral charging equipment can directly transport the solid slag charge of the organic solid waste material after primary treatment equipment handles to fermentation unit and handle, can realize intelligent control.
Further, the fermentation unit comprises a protective shell, a first fermentation tank arranged inside the protective shell, a first stirring unit arranged inside the first fermentation tank and used for stirring, a first heating unit arranged at the bottom of the first fermentation tank and used for heating the first fermentation tank, and a first tail gas treatment unit arranged inside the protective shell and connected with the top end of the first fermentation tank; utilize first heating element can realize the control to the inside temperature variation of fermentation cylinder, can make the decomposition efficiency of fermentation more thorough in the use of reality, in addition, utilize first tail gas treatment facility can absorb, handle the tail gas that produces in the fermentation cylinder effectively.
Furthermore, the fermentation unit comprises a protective shell, 3-5 second fermentation tanks which are arranged in the protective shell and connected in sequence, 3-5 second stirring units which are respectively arranged in the second fermentation tanks and used for stirring, 3-5 second heating units which are respectively arranged at the bottoms of the second fermentation tanks and used for heating the second fermentation tanks, and a second tail gas treatment unit which is arranged in the protective shell and connected with the second fermentation tanks at the top ends; the first fermentation tank is connected with a first spiral feeding device, and the second fermentation tank is connected with a second feeding device; the mode that a plurality of fermentation tanks are arranged in sequence is adopted, so that the fermentation time is prolonged, and the fermentation can be more thorough; the microorganism needed in the fermentation is added into the 2 nd fermentation tank by utilizing the feeding equipment, so that the method has higher efficiency in actual use.
Further, the second treatment equipment comprises an oil-water separation unit, a first collection cavity box connected with the oil-water separation unit and used for collecting waste water, and a second collection cavity box connected with the oil-water separation unit and used for collecting waste oil; the oil-water separation unit is used for separating the separated liquid from the waste water and the waste oil, and the later treatment is facilitated.
Furthermore, the oil-water separation unit comprises a liquid collecting tank, a flow dividing head which can be movably arranged at the upper end of the liquid collecting tank, an oil filter screen which can be clamped at the lower end of the flow dividing head, and a liquid discharging funnel which can penetrate through the flow dividing head, can be inserted into the liquid collecting tank and is connected with the third equipment shell through a guide pipe; the flow distribution head comprises a water leakage cover and an oil leakage head arranged at the upper end of the water leakage cover, the water leakage cover is communicated with the oil leakage head, the oil filter screen is positioned between the water leakage cover and the oil leakage head, and a lower liquid port of the lower liquid funnel is positioned at the lower end of the interior of the liquid collection tank; the water leakage cover is connected with the first collection cavity box, and the oil leakage head is connected with the second collection cavity box; by adopting the structure, the oil and water can be separated more thoroughly in actual use.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention has reasonable integral structure design, adopts primary treatment equipment to crush and compress the mailing solid waste aiming at a little water content in the organic solid waste, so that the water content of the organic solid waste is suddenly reduced, and then utilizes secondary treatment equipment to specifically treat two different wastes generated by the treatment equipment, thereby being more efficient;
2. the primary treatment equipment adopted by the invention can effectively reduce the water content of the organic solid waste to be lower than 5%, and the organic solid waste can be directly used for fertilization of farmlands after the fermentation treatment in the later period, so that the resource can be effectively recycled;
3. the device can realize the mass production of the organic solid waste, avoids the problems of land occupation and odor influence on the air quality of composting treatment, and is suitable for mass popularization.
Drawings
FIG. 1 is a schematic structural view of embodiment 1 of the present invention;
FIG. 2 is an exploded view of a primary treatment apparatus according to embodiment 1 of the present invention;
FIG. 3 is a schematic view of the structure of a fermentation unit according to example 1 of the present invention;
FIG. 4 is a partial sectional view of a second treating apparatus according to embodiment 2 of the present invention;
FIG. 5 is an exploded view of an oil-water separation unit according to example 2 of the present invention;
FIG. 6 is a schematic structural view of embodiment 3 of the present invention;
FIG. 7 is a schematic diagram of the structure of a fermentation unit according to example 3 of the present invention;
wherein, 1-device shell, 11-first spiral feeding device, 12-feeding notch, 2-first-stage treatment device, 21-device shell, 211-first device shell, 212-second device shell, 213-third device shell, 22-crushing unit, 221-first bearing with seat, 222-crushing cutter shaft, 223-crushing blade, 224-spacer ring, 23-separation unit, 231-push plate, 232-telescopic rod, 233-blanking bobbin, 234-second bearing with seat, 235-rotary slurry, 236-liquid leakage plate, 24-power unit, first motor, 242-second motor, 243-third motor, 3-first treatment device, 31-feeding unit, 311-second spiral feeding device, 312-feeding equipment, 32-fermentation unit, 321-first fermentation tank, 3210-second fermentation tank, 322-first stirring unit, 3220-second stirring unit, 323-first heating unit, 3230-second heating unit, 324-first tail gas treatment unit, 3240-second tail gas treatment unit, 4-second treatment equipment, 41-oil-water separation unit, 411-liquid collecting tank, 412-flow dividing head, 4121-water leakage cover, 4122-oil leakage head, 413-oil filter screen, 414-lower liquid funnel, 42-first collection cavity box and 43-second collection cavity box.
Detailed Description
Example 1: a multi-stage resource utilization apparatus for organic solid waste as shown in fig. 1, comprising an apparatus housing 1, a primary treatment device 2 disposed inside the apparatus housing 1 for pretreating organic solid waste, and a secondary treatment device disposed inside the apparatus housing 1 for re-treating pretreated organic solid waste; the device is characterized in that a first spiral feeding device 11 is arranged inside the device shell 1, and a feeding notch 12 is arranged on the outer side wall of the device shell 1;
as shown in fig. 2, the primary treatment apparatus 2 includes an apparatus casing 21, a crushing unit 22 provided inside the apparatus casing 21 for crushing, a separation unit 23 provided inside the apparatus casing 21 for solid-liquid separation, and a power unit 24 for powering the crushing unit 22 and the separation unit 23;
the equipment housing 21 includes a first equipment housing 211, a second equipment housing 212, and a third equipment housing 213 disposed at a lower end of the second equipment housing 212; the first device housing 211, the second device housing 212 and the third device housing 213 are communicated;
the crushing unit 22 comprises a first seated bearing 221 capable of being disposed on a side wall of the first equipment housing 211, 2 crushing cutter shafts 222 capable of being disposed inside the first equipment housing 211 through the seated bearing 221, a plurality of crushing blades 223 uniformly disposed on the crushing cutter shafts 222, and a spacer ring 224 disposed between adjacent two crushing blades 223;
the separation unit 23 comprises 2 push plates 231 oppositely arranged inside the second device shell 212, 2 telescopic rods 232 respectively arranged on the 2 push plates 231 and penetrating through the side wall of the second device shell 212, a feeding bobbin 233 arranged on the side wall of the second device shell 212 and perpendicular to the telescopic rods 232, a second seated bearing 234 arranged on the side wall of the second device shell 212, and a propeller 235 arranged on the side wall of the second device shell 212 through the second seated bearing 234 and capable of penetrating through the second device shell 212 and the feeding bobbin 233, and a leakage plate 236 arranged at the lower end of the second device shell 212;
the power unit 24 comprises a first motor 241 for providing power for the crushing cutter shaft 222, 2 second motors 242 for providing power for the 2 telescopic rods 232 respectively, and a third motor 243 for providing power for the rotary propeller 235;
a feeding port of the spiral feeding device 11 is connected with the feeding slot port 12, and a discharging port of the spiral feeding device 11 is connected with a feeding port of the first device shell 211;
the secondary treatment equipment comprises a first treatment equipment 3 connected with the blanking bobbin 233 for solid treatment and a second treatment equipment 4 connected with the third equipment shell 213 for liquid treatment; wherein, the second treatment equipment 4 adopts organic wastewater treatment equipment produced by Beijing Baijidi environmental engineering technology, Inc.;
as shown in fig. 1 and 3, the first processing device 3 includes a feeding unit 31, and a fermentation unit 32 connected to the feeding unit; the feeding unit 31 comprises a second spiral feeding device 311 which can be connected with the blanking bobbin 233, and a feeding device 312 which can feed materials into the fermentation unit 32; the fermentation unit 32 comprises a protective shell, a first fermentation tank 321 arranged inside the protective shell, a first stirring unit 322 arranged inside the first fermentation tank 321 and used for stirring, a first heating unit 323 arranged at the bottom of the first fermentation tank 321 and used for heating the first fermentation tank 321, and a first tail gas treatment unit 324 arranged inside the protective shell and connected with the top end of the first fermentation tank 321.
Example 2: the difference from example 1 is: as shown in fig. 4 and 5, the second treatment apparatus 4 includes an oil-water separation unit 41, a first collection chamber 42 connected to the oil-water separation unit 41 for collecting waste water, and a second collection chamber 43 connected to the oil-water separation unit 41 for collecting waste oil; the oil-water separation unit 41 comprises a liquid collecting tank 411, a flow dividing head 412 which can be movably arranged at the upper end of the liquid collecting tank 411, an oil filter screen 413 which can be clamped at the lower end of the flow dividing head 412, and a liquid discharging funnel 414 which can penetrate through the flow dividing head 412 and can be inserted into the liquid collecting tank 411 and connected with the third equipment shell 213 through a guide pipe; the diversion head 412 comprises a water leakage cover 4121 and an oil leakage head 4122 arranged at the upper end of the water leakage cover 4121, the water leakage cover 4121 is communicated with the oil leakage head 4122, the oil filter screen 413 is positioned between the water leakage cover 4121 and the oil leakage head 4122, and the lower liquid port of the lower liquid funnel 414 is positioned at the lower end inside the liquid collecting tank 411; the water leakage cover 4121 is connected to the first collection chamber 42, and the oil leakage head 4122 is connected to the second collection chamber 43.
Example 3: the difference from example 1 is: as shown in fig. 6 and 7, the fermentation unit 32 includes a protective casing, 3 second fermenters 3210 disposed inside the protective casing and connected in sequence, 3 second stirring units 3220 disposed inside the second fermenters 3210 respectively for stirring, 3 second heating units 3230 disposed at the bottom of the second fermenters 3210 respectively for heating the second fermenters 3210, and a second off-gas treatment unit 3240 disposed inside the protective casing and connected to each of the second fermenters 3210 at the top end; and the first second fermentation tank 3210 is connected with a second spiral feeding device 311, and the second fermentation tank 3210 is connected with a feeding device 312.
Claims (7)
1. A multi-stage resource utilization device for organic solid wastes comprises a device shell (1), a primary treatment device (2) which is arranged in the device shell (1) and is used for pretreating the organic solid wastes, and a secondary treatment device which is arranged in the device shell (1) and is used for retreating the pretreated organic solid wastes; the primary treatment equipment (2) is characterized by comprising an equipment shell (21), a crushing unit (22) arranged in the equipment shell (21) for crushing, a separation unit (23) arranged in the equipment shell (21) for solid-liquid separation, and a power unit (24) for providing power for the crushing unit (22) and the separation unit (23);
the equipment shell (21) comprises a first equipment shell (211) and a second equipment shell (212) which are arranged in parallel up and down, and a third equipment shell (213) arranged at the lower end of the second equipment shell (212); the first equipment shell (211), the second equipment shell (212) and the third equipment shell (213) are communicated;
the crushing unit (22) comprises a first bearing with a seat (221) which can be arranged on the side wall of the first equipment shell (211), 2 crushing cutter shafts (222) which can be arranged inside the first equipment shell (211) through the bearing with a seat (221), a plurality of crushing blades (223) which are uniformly arranged on the crushing cutter shafts (222), and a spacer ring (224) which is arranged between two adjacent crushing blades (223);
the separation unit (23) comprises 2 push plates (231) which are relatively placed inside the second equipment shell (212), 2 telescopic rods (232) which are respectively arranged on the 2 push plates (231) and penetrate through the side wall of the second equipment shell (212), a blanking bobbin (233) which is arranged on the side wall of the second equipment shell (212) and is perpendicular to the telescopic rods (232), a second seated bearing (234) which is arranged on the side wall of the second equipment shell (212), and a rotary propeller (235) which is arranged on the side wall of the second equipment shell (212) through the second seated bearing (234) and can penetrate through the second equipment shell (212) and the blanking bobbin (233), and a liquid leakage plate (236) which is arranged at the lower end of the second equipment shell (212);
the power unit (24) comprises a first motor (241) for providing power for the crushing cutter shaft (222), 2 second motors (242) for providing power for 2 telescopic rods (232) respectively, and a third motor (243) for providing power for the rotary propeller (235);
the secondary treatment device comprises a first treatment device (3) connected with the blanking bobbin (233) for solid treatment and a second treatment device (4) connected with the third device shell (213) for liquid treatment.
2. The multistage resource utilization device for organic solid wastes according to claim 1, wherein the device housing (1) is internally provided with a first spiral feeding device (11), and the outer side wall of the device housing (1) is provided with a feeding notch (12); the feeding port of the spiral feeding device (11) is connected with the feeding port (12), and the discharging port of the spiral feeding device (11) is connected with the feeding port of the first device shell (211).
3. The multistage resource utilization device for organic solid waste according to claim 1, wherein the first treatment means (3) comprises a feeding unit (31), and a fermentation unit (32) connected with the feeding means; the feeding unit (31) comprises a second spiral feeding device (311) which can be connected with a discharging bobbin (233) and a feeding device (312) which can feed materials into the fermentation unit (32).
4. The multi-stage resource utilization device for the organic solid waste according to claim 1, wherein the fermentation unit (32) comprises a protective casing, a first fermentation tank (321) arranged inside the protective casing, a first stirring unit (322) arranged inside the first fermentation tank (321) for stirring, a first heating unit (323) arranged at the bottom of the first fermentation tank (321) for heating the first fermentation tank (321), and a first tail gas treatment unit (324) arranged inside the protective casing and connected with the top end of the first fermentation tank (321).
5. The multi-stage resource utilization device for organic solid waste according to claim 1, wherein the second treatment equipment (4) comprises an oil-water separation unit (41), a first collection chamber (42) connected with the oil-water separation unit (41) for waste water collection, and a second collection chamber (43) connected with the oil-water separation unit (41) for waste oil collection.
6. The multi-stage resource utilization device for the organic solid waste according to claim 1, wherein the oil-water separation unit (41) comprises a liquid collection tank (411), a flow dividing head (412) movably arranged at the upper end of the liquid collection tank (411), an oil filter screen (413) clamped at the lower end of the flow dividing head (412), and a lower liquid hopper (414) which can penetrate through the flow dividing head (412) and can be inserted into the liquid collection tank (411) to be connected with the third equipment shell (213) through a guide pipe; the flow dividing head (412) comprises a water leakage cover (4121) and an oil leakage head (4122) arranged at the upper end of the water leakage cover (4121), the water leakage cover (4121) is communicated with the oil leakage head (4122), the oil filter screen (413) is positioned between the water leakage cover (4121) and the oil leakage head (4122), and a lower liquid port of the lower liquid funnel (414) is positioned at the lower end inside the liquid collecting tank (411); the water leakage cover (4121) is connected with the first collection cavity box (42), and the oil leakage head (4122) is connected with the second collection cavity box (43).
7. The multistage resource utilization device for organic solid waste according to claim 1, wherein the 2 pushing plates (231) are oppositely disposed inside the second apparatus housing (212).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010427014.7A CN111662110A (en) | 2020-05-19 | 2020-05-19 | A multistage utilization of resources device for organic solid waste |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010427014.7A CN111662110A (en) | 2020-05-19 | 2020-05-19 | A multistage utilization of resources device for organic solid waste |
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| CN102887734A (en) * | 2012-09-14 | 2013-01-23 | 东莞市杰美电器有限公司 | Kitchen waste recycling automatic treating all-in-one machine and treatment process thereof |
| CN204058286U (en) * | 2014-06-05 | 2014-12-31 | 福建省春天园林工程有限公司 | A kind of nursery stock bio-feritlizer fermentation unit |
| CN206828240U (en) * | 2017-06-28 | 2018-01-02 | 吴紫珠 | A kind of food and drink oil-water separator |
| CN107556063A (en) * | 2017-09-20 | 2018-01-09 | 神雾科技集团股份有限公司 | A kind of feces of livestock and poultry dewatering system and method |
| CN110725374A (en) * | 2019-11-22 | 2020-01-24 | 上海工程技术大学 | Household kitchen garbage treatment device |
| CN210287042U (en) * | 2019-06-28 | 2020-04-10 | 安徽永昌新材料有限公司 | Oil-water separator |
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2020
- 2020-05-19 CN CN202010427014.7A patent/CN111662110A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102887734A (en) * | 2012-09-14 | 2013-01-23 | 东莞市杰美电器有限公司 | Kitchen waste recycling automatic treating all-in-one machine and treatment process thereof |
| CN204058286U (en) * | 2014-06-05 | 2014-12-31 | 福建省春天园林工程有限公司 | A kind of nursery stock bio-feritlizer fermentation unit |
| CN206828240U (en) * | 2017-06-28 | 2018-01-02 | 吴紫珠 | A kind of food and drink oil-water separator |
| CN107556063A (en) * | 2017-09-20 | 2018-01-09 | 神雾科技集团股份有限公司 | A kind of feces of livestock and poultry dewatering system and method |
| CN210287042U (en) * | 2019-06-28 | 2020-04-10 | 安徽永昌新材料有限公司 | Oil-water separator |
| CN110725374A (en) * | 2019-11-22 | 2020-01-24 | 上海工程技术大学 | Household kitchen garbage treatment device |
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