CN206304866U - A kind of house refuse RDF preparation systems - Google Patents
A kind of house refuse RDF preparation systems Download PDFInfo
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- CN206304866U CN206304866U CN201621161565.9U CN201621161565U CN206304866U CN 206304866 U CN206304866 U CN 206304866U CN 201621161565 U CN201621161565 U CN 201621161565U CN 206304866 U CN206304866 U CN 206304866U
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- 238000002360 preparation method Methods 0.000 title claims abstract description 45
- 239000000463 material Substances 0.000 claims abstract description 93
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 55
- 238000012216 screening Methods 0.000 claims abstract description 24
- 230000006835 compression Effects 0.000 claims abstract description 17
- 238000007906 compression Methods 0.000 claims abstract description 17
- 230000006698 induction Effects 0.000 claims abstract description 5
- 238000000926 separation method Methods 0.000 claims description 29
- 239000010791 domestic waste Substances 0.000 claims description 19
- 238000001035 drying Methods 0.000 claims description 13
- 239000006148 magnetic separator Substances 0.000 claims description 13
- 239000000126 substance Substances 0.000 claims description 12
- 239000000725 suspension Substances 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- 239000003473 refuse derived fuel Substances 0.000 description 39
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The utility model discloses a kind of house refuse RDF preparation systems.The house refuse RDF preparation systems include：Boulder crusher；Rotary screen；Compression dewaterer；Physics anhydration system；Aidr bells blast system；Fine crusher；Dryer；Doffer screening machine；Induction system, the induction system includes multiple belt conveyors, belt conveyor is used to that boulder crusher, rotary screen, compression dewaterer, physics anhydration system, aidr bells blast system, fine crusher, dryer, doffer screening machine be interconnected respectively, forms a pipeline stopped from boulder crusher, through rotary screen, compression dewaterer, physics anhydration system, aidr bells blast system, fine crusher, dryer, doffer screening machine.In house refuse RDF preparation systems of the present utility model, worked by turns by boulder crusher, dewaterer, aidr bells blast system, fine crusher and dryer, the various materials that can be produced in whole RDF preparation flows are processed, efficiency is increased, it is therefore prevented that other secondary rubbish infringements.
Description
Technical Field
The utility model relates to a RDF prepares technical field, especially relates to a domestic waste RDF preparation system.
Background
Along with the development of Chinese economy, the annual output of domestic garbage in China is rapidly increased by about 5-10% per year, and the domestic garbage becomes a great environmental pollution source if the domestic garbage can not be harmlessly and resource-recycled. The invention discloses a RDF preparation system for domestic garbage, which is characterized in that the domestic garbage is crushed, screened by a roller, compressed and dehydrated, physically dried, winnowed, finely crushed, dried and screened by the roller again, and combustible components (such as plastics, rubber, wood, fabrics, fibers and the like) in the domestic garbage are prepared into the RDF with low water content, high heat value and stability. Decomposing and composting the rest perishable organic matters; recycling the iron; the soil, sand and the like are treated by landfill. The RDF prepared by the method can be recycled into oil and carbon, so that the pollution of domestic garbage to the environment is solved, and the RDF can be harmlessly and resourcefully utilized, and therefore, the development of the preparation method and equipment of the RDF of the domestic garbage has remarkable economic and social benefits.
In the prior art, in a household garbage RDF preparation system, only simple primary crushing is usually performed, or other materials which cannot support RDF in the whole system are directly thrown away, so that resource waste is caused.
Accordingly, a technical solution is desired to overcome or at least alleviate at least one of the above-mentioned drawbacks of the prior art.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to provide a domestic waste RDF preparation system that overcomes or at least alleviates at least one of the above-mentioned deficiencies in the prior art.
In order to achieve the above object, the utility model provides a domestic waste RDF preparation system, domestic waste RDF preparation system includes: a coarse crusher for shredding domestic waste to form shredded material; the drum screen is used for screening the shredded materials so as to screen the shredded materials into oversize materials and undersize materials; a compression dewaterer for dewatering oversize material to form a dewatered material; a physical drying system for further dehydrating the dehydrated material to form a re-dehydrated material; a winnowing system for winnowing the re-dehydrated material to winnow the re-dehydrated material into a thoroughly decomposed material, a light material and a heavy material; a fine crusher for finely crushing the light matter, thereby forming a finely crushed matter; a dryer for drying the finely divided material; the small drum screening machine is used for screening the dried fine crushed substances to obtain the RDF material; conveying system, conveying system includes a plurality of conveyor belts, conveyor belt is used for communicating coarse crusher, drum sieve, compression hydroextractor, physics mummification system, air classification system, fine crusher, drying-machine, little cylinder screening machine in proper order respectively to form one certainly the coarse crusher plays, through the conveying line that drum sieve, compression hydroextractor, physics mummification system, air classification system, fine crusher, drying-machine, little cylinder screening machine end.
Preferably, the domestic garbage RDF preparation system further comprises a grab bucket machine, the grab bucket machine is connected with the coarse crusher through a conveying belt, and the grab bucket machine is used for providing domestic garbage for the coarse crusher.
Preferably, the household garbage RDF preparation system further comprises a hermetic compressor, wherein the hermetic compressor is connected with the drum screen and is used for compressing the undersize materials.
Preferably, the domestic garbage RDF preparation system further comprises a magnetic separator, the magnetic separator is connected with the air separation system, and the magnetic separator is used for magnetically separating magnetic induction substances in the heavy substances.
Preferably, the grab bucket machine comprises a suspension rail, a grab bucket and a grab bucket machine body, the grab bucket machine body is connected with the coarse crusher through the conveying belt, and the grab bucket is arranged on the suspension rail and can move along the suspension rail.
Preferably, the household garbage RDF preparation system further comprises a household garbage storage pit, the household garbage storage pit is used for storing household garbage, the household garbage storage pit is arranged close to the coarse crusher, and the suspension rail is arranged above the household garbage storage pit.
Preferably, the household garbage RDF preparation system further comprises an alarm system, wherein the alarm system is arranged at the household garbage storage pit and used for detecting the gas concentration at the household garbage storage pit and giving an alarm when the gas concentration exceeds a preset threshold value.
Preferably, the air classification system comprises an air classification chamber for receiving the articles to be classified; the wind power source is connected into the air separation chamber through a pipeline and is close to the air separation chamber to receive the articles to be classified; the negative pressure chamber is internally provided with negative pressure and is provided with a suction inlet, and the suction inlet is connected with the air separation chamber; wherein, the wind source is used for providing wind power for the articles to be classified entering the air separation chamber; the negative pressure chamber is used for providing suction force entering the negative pressure chamber for the articles to be classified entering the air separation chamber; the articles to be classified respectively have different movement tracks under the combined action of the gravity of the articles to be classified, the wind power and the suction force, so that the articles to be classified respectively enter the negative pressure chamber or fall in the air separation chamber.
The utility model discloses an among the domestic waste RDF preparation system, through the operation in turn of coarse crusher, hydroextractor, air classification system, fine crusher and drying-machine to all handle the material that various in the whole RDF preparation flow can produce, increased efficiency, prevented other secondary waste harm. And this application adopts the kibbling mode of two-stage, can make crushing efficiency higher.
Drawings
Fig. 1 is a system diagram of a domestic waste RDF preparation system according to an embodiment of the present invention.
Fig. 2 is a partial schematic diagram of the domestic waste RDF preparation system in the embodiment shown in fig. 1.
Fig. 3 is a schematic structural diagram of an air separation system in the domestic garbage RDF preparation system shown in fig. 1.
Reference numerals:
| 1 | coarse crusher | 9 | Conveying belt |
| 2 | Drum screen | 10 | Grab bucket machine |
| 3 | Compression dehydrator | 11 | Closed compressor |
| 4 | Physical drying system | 12 | Magnetic separator |
| 5 | Winnowing system | 51 | Winnowing chamber |
| 6 | Fine crusher | 52 | Negative pressure chamber |
| 7 | Drying machine | ||
| 8 | Small drum sieving machine |
Detailed Description
In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the invention.
Crushers typically comprise a knife roll and a box wall with a gap between them.
Fig. 1 is a system diagram of a domestic waste RDF preparation system according to an embodiment of the present invention. Fig. 2 is a partial schematic diagram of the domestic waste RDF preparation system in the embodiment shown in fig. 1. Fig. 3 is a schematic structural diagram of an air separation system in the domestic garbage RDF preparation system shown in fig. 1.
The RDF preparation system for the household garbage shown in figure 1 comprises a coarse crusher 1, a drum screen 2, a compression dehydrator 3, a physical drying system 4, an air separation system 5, a fine crusher 6, a dryer 7, a small drum screening machine 8 and a conveying system.
The conveying system comprises a plurality of conveying belts 9, and the conveying belts 9 are used for sequentially communicating the coarse crusher, the rotary screen, the compression dehydrator, the physical drying system, the winnowing system, the fine crusher, the dryer and the small roller screening machine respectively, so that a conveying line from the coarse crusher to the rotary screen, the compression dehydrator, the physical drying system, the winnowing system, the fine crusher, the dryer and the small roller screening machine is formed. Specifically, each conveyor belt of the conveying system plays a role of conveyance for transferring the discharge of each apparatus.
In the present embodiment, the coarse crusher 1 is used for shredding domestic waste, thereby forming shredded materials; the drum screen 2 is used for screening the shredded materials so as to screen the shredded materials into oversize materials and undersize materials; the compression dehydrator is used for dehydrating the oversize product so as to form a dehydrated material; the physical drying system is used for further dehydrating the dehydrated material so as to form dehydrated material; the air separation system is used for air separating the re-dehydrated materials so as to wind separate the re-dehydrated materials into decomposed materials, light materials and heavy materials; specifically, the decomposed materials are undersize materials with the diameter of less than 40mm, and the diameters of the light materials and the heavy materials are both more than 40 mm. A fine crusher for finely crushing the light material to form a finely crushed material; the dryer is used for drying the finely-divided substances; and the small drum screening machine is used for screening the dried fine crushed substances so as to obtain the RDF material.
The utility model discloses an among the domestic waste RDF preparation system, through the operation in turn of coarse crusher, drum sieve, hydroextractor, physics mummification system, little drum sieve extension, air separation system, fine crusher and drying-machine to all handle the material that various in the whole RDF preparation flow can produce, increased efficiency, prevented other secondary rubbish harm. And this application adopts the kibbling mode of two-stage, can make crushing efficiency higher.
Referring to fig. 1 and 2, in the present embodiment, the household garbage RDF preparation system further includes a grab machine 10, the grab machine 10 is connected to the coarse crusher 1 through a conveying belt, and the grab machine 10 is used for providing the household garbage for the coarse crusher. Specifically, the grapple machine 10 includes a suspension rail, a grapple, and a grapple machine body that is connected with the coarse crusher through a conveyor belt, the grapple being disposed on the suspension rail and being capable of moving along the suspension rail.
Referring to fig. 1, in the present embodiment, the RDF preparation system further includes a hermetic compressor 11 connected to the drum screen for compressing the undersize. By adopting the structure, the undersize can be treated and then sent to be thoroughly decomposed, thereby preventing the undersize from being polluted as secondary garbage.
Referring to fig. 1, in this embodiment, the household garbage RDF preparation system further includes a magnetic separator 12, the magnetic separator 12 is connected to the air separation system, the magnetic separator is used for magnetically separating magnetic induction substances in the heavy substances, and the magnetic separator is used for recycling iron in the heavy substances in the air separation system after recovering the iron.
Referring to fig. 1, in this embodiment, the household garbage RDF preparation system further includes a household garbage storage pit, the household garbage storage pit is used for storing household garbage, the household garbage storage pit is arranged near the coarse crusher, and a suspension rail is arranged above the household garbage storage pit.
In an alternative embodiment, the RDF preparation system further comprises a collection system connected with the hermetic compressor for collecting the undersize after the compression treatment.
In an alternative embodiment, the household garbage RDF preparation system further comprises an alarm system, wherein the alarm system is arranged at the household garbage storage pit and used for detecting the gas concentration at the household garbage storage pit and giving an alarm when the gas concentration exceeds a preset threshold value.
Referring to fig. 3, in the present embodiment, the air classification system includes an air classification chamber 51 for receiving articles to be classified, an air source, and a negative pressure chamber 52; the wind power source is connected into the air separation chamber 51 through a pipeline and is close to the air separation chamber for receiving the articles to be classified; the negative pressure chamber 52 is internally provided with negative pressure and is provided with a suction inlet which is connected with the air separation chamber; the wind power source is used for providing wind power for the articles to be classified entering the air separation chamber; the negative pressure chamber is used for providing suction force entering the negative pressure chamber for the articles to be classified entering the air separation chamber; the articles to be classified respectively have different movement tracks under the combined action of the gravity of the articles to be classified, the wind power and the suction force, so that the articles to be classified respectively enter the negative pressure chamber or fall in the air separation chamber.
The present application is further described below by way of examples, it being understood that the examples do not constitute any limitation of the invention.
The working process is as follows: as shown in fig. 1, after being transported by a municipal garbage truck, the household garbage is unloaded to a storage pit for household garbage to be treated, then the household garbage is thrown into a conveying belt 9 by a grab machine 10, the conveying belt 9 conveys the household garbage to a household garbage coarse crusher 1, the household garbage coarse crusher 1 shreds the household garbage to about 300X80mm, then the shredded material is conveyed to a drum screen 2 by the conveying belt 9, the drum screen 2 divides the material into two materials, namely oversize material with the size of more than 40mm and undersize material with the size of less than 40mm, wherein the undersize material mainly comprises undersize material containing perishable organic matters, the undersize material is conveyed to a closed compressor 11 by the conveying belt 9, then the undersize material is conveyed to a designated place to be thoroughly decomposed by the closed compressor 11, and the undersize material is made into nutrient soil for reuse.
The oversize materials are conveyed to a compression dehydrator 3 through a conveying belt 9, the compression dehydrator 3 extrudes about 15% of water in the oversize materials by adopting an extrusion method (the extruded water is separately collected and then conveyed to a leachate treatment device for treatment), then the materials are conveyed to a physical drying system through the conveying belt 9, the materials are temporarily stored in the physical drying system for about 3-7 days, 10% -20% of water is removed, then the materials are conveyed to a winnowing system 5, the winnowing system 5 adopts a three-stage combination process, firstly, the materials are subjected to bounce screening, the materials which are not completely screened out by the rotary screen 2 and are smaller than 40mm are screened out again, and the materials are conveyed out by the conveying belt below the bounce screening and then conveyed to rotten treatment. And then the remaining materials after the bouncing screening are subjected to large light material separation by the winnowing system, the light materials with larger particle sizes (mainly comprising cotton, hemp, plastic bags and the like) are selected out and then conveyed to the fine crusher 6 by the belt conveyor for fine crushing, the remaining materials after the large light material separation enter the winnowing system to be separated into light materials and heavy materials by positive and negative pressure wind power, the light materials after the large light material separation also fall into the fine crusher 6 for fine crushing, the heavy materials are conveyed out by the conveying belt, and the magnetic separator 12 is arranged in the middle of the conveying belt conveying process, and the magnetic separator separates out iron and then recycles the iron.
The fine crusher 6 finely crushes the light materials to 20X100mm, the light materials fall into the conveying belt 9, the conveying belt 9 conveys the light materials to the dryer 7, the dryer 7 dries the light materials (the moisture content is lower than 15%), the light materials are conveyed to the small drum screening machine 8 through the conveying belt 9, the small drum screening machine 8 screens out the materials (the main components are inorganic substances such as soil, sandstone and the like) with the size smaller than 10mm in the light materials, and the rest materials are RDF with high heat value, low moisture content and good stability.
Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. A domestic waste RDF preparation system, characterized in that the domestic waste RDF preparation system comprises:
a coarse crusher (1), the coarse crusher (1) being used for shredding domestic waste, thereby forming shredded material;
the rotary screen (2) is used for screening the shredded materials, so that the shredded materials are screened into oversize materials and undersize materials;
a compression dewaterer (3) for dewatering oversize material to form dewatered material;
a physical drying system (4) for further dewatering the dewatered material to form a re-dewatered material;
a winnowing system (5) for winnowing the re-dewatered material, thereby winnowing the re-dewatered material into a thoroughly decomposed material, a light material and a heavy material;
a fine crusher (6) for finely crushing the light matter, thereby forming a finely crushed matter;
a dryer (7) for drying the finely divided substance;
a small drum screening machine (8) for screening the dried finely-divided material to obtain RDF material;
conveying system, conveying system includes a plurality of conveyor belt (9), conveyor belt (9) are used for respectively with coarse crusher, drum sieve, compression hydroextractor, physics mummification system, air classification system, fine crusher, drying-machine, little cylinder screening machine intercommunication in proper order to form one certainly the coarse crusher plays, through the transfer chain that drum sieve, compression hydroextractor, physics mummification system, air classification system, fine crusher, drying-machine, little cylinder screening machine ended.
2. The RDF preparation system for domestic refuse according to claim 1, characterized in that the RDF preparation system for domestic refuse further comprises a grab (10), the grab (10) being connected to the coarse crusher (1) by means of a conveyor belt, the grab (10) being adapted to supply the coarse crusher with domestic refuse.
3. The RDF preparation system for consumer waste according to claim 2, further comprising a hermetic compressor (11) connected to the drum screen for compressing the undersize.
4. The RDF preparation system for domestic garbage according to claim 3, further comprising a magnetic separator (12), wherein the magnetic separator (12) is connected with the air separation system, and the magnetic separator is used for magnetically separating magnetic induction substances in the heavy substances.
5. The RDF preparation system for household refuse according to claim 4, characterized in that the grab (10) comprises a suspension rail, a grab and a grab body, the grab body is connected with the coarse crusher by the conveyor belt, the grab is arranged on the suspension rail and can move along the suspension rail.
6. The RDF preparation system for domestic garbage according to claim 5, further comprising a domestic garbage storage pit for storing domestic garbage, wherein the domestic garbage storage pit is disposed adjacent to the coarse crusher, and wherein the suspension rail is disposed above the domestic garbage storage pit.
7. The RDF preparation system for domestic waste according to claim 6, further comprising an alarm system, wherein said alarm system is arranged at said domestic waste storage pit for detecting a gas concentration at said domestic waste storage pit, and wherein an alarm is given when said gas concentration exceeds a predetermined threshold.
8. A domestic waste RDF preparation system as claimed in claim 1 wherein said air classification system comprises an air classification chamber (51) for receiving articles to be classified;
a wind source connected to the air separation chamber (51) through a duct and adjacent to the air separation chamber for receiving the articles to be sorted;
the negative pressure chamber (52), negative pressure has in the negative pressure chamber (52), the said negative pressure chamber has suction inlets, the said suction inlet is connected with said winnowing chamber; wherein,
the wind power source is used for providing wind power for the articles to be classified entering the air separation chamber; the negative pressure chamber is used for providing suction force entering the negative pressure chamber for the articles to be classified entering the air separation chamber; the articles to be classified respectively have different movement tracks under the combined action of the gravity of the articles to be classified, the wind power and the suction force, so that the articles to be classified respectively enter the negative pressure chamber or fall in the air separation chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621161565.9U CN206304866U (en) | 2016-10-25 | 2016-10-25 | A kind of house refuse RDF preparation systems |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621161565.9U CN206304866U (en) | 2016-10-25 | 2016-10-25 | A kind of house refuse RDF preparation systems |
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| Publication Number | Publication Date |
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| CN206304866U true CN206304866U (en) | 2017-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621161565.9U Active CN206304866U (en) | 2016-10-25 | 2016-10-25 | A kind of house refuse RDF preparation systems |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108800139A (en) * | 2018-05-03 | 2018-11-13 | 陕西理工大学 | A kind of house refuse full-automation processing system and method |
| CN115608485A (en) * | 2022-11-05 | 2023-01-17 | 嵊州市德沓科技有限公司 | A small storage medium destruction machine |
-
2016
- 2016-10-25 CN CN201621161565.9U patent/CN206304866U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108800139A (en) * | 2018-05-03 | 2018-11-13 | 陕西理工大学 | A kind of house refuse full-automation processing system and method |
| CN108800139B (en) * | 2018-05-03 | 2020-07-14 | 陕西理工大学 | Full-automatic treatment system and method for household garbage |
| CN115608485A (en) * | 2022-11-05 | 2023-01-17 | 嵊州市德沓科技有限公司 | A small storage medium destruction machine |
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