CN115007627A - Polluted soil improvement device - Google Patents
Polluted soil improvement device Download PDFInfo
- Publication number
- CN115007627A CN115007627A CN202210740215.1A CN202210740215A CN115007627A CN 115007627 A CN115007627 A CN 115007627A CN 202210740215 A CN202210740215 A CN 202210740215A CN 115007627 A CN115007627 A CN 115007627A
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- crushing
- contaminated soil
- material distribution
- soil improvement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002689 soil Substances 0.000 title claims abstract description 80
- 230000006872 improvement Effects 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 30
- 238000007790 scraping Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000003607 modifier Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/17—Stirrers with additional elements mounted on the stirrer, for purposes other than mixing
- B01F27/171—Stirrers with additional elements mounted on the stirrer, for purposes other than mixing for disintegrating, e.g. for milling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
- B01F27/906—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms with fixed axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
- B02C13/16—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters hinged to the rotor
-
- 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
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/58—Construction or demolition [C&D] waste
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention provides a polluted soil improvement device, which comprises a device main body; the device main body comprises a machine shell and a crushing and mixing mechanism in the machine shell; the machine shell comprises a contaminated soil feeding hole and an improver feeding hole which are positioned above the crushing and mixing mechanism, and an improved soil discharging hole which is positioned below the crushing and mixing mechanism; the crushing and mixing mechanism comprises a rotating shaft, a crushing cutter connected with the rotating shaft and a driving device for driving the rotating shaft to rotate. In the actual implementation process, the polluted soil enters from the first feeding hole, the modifying agent enters from the second feeding hole, the polluted soil and the modifying agent are converged in the modifying device, and the polluted soil is crushed by the crushing and mixing mechanism and then is uniformly mixed with the modifying agent, so that the polluted soil is modified and is converted into the modified soil which can be utilized; the device can continuously manufacture the improved soil and efficiently produce the improved soil.
Description
Technical Field
The invention relates to the technical field of contaminated soil improvement, in particular to a contaminated soil improvement device.
Background
In the process of city development, no matter in-building engineering or road engineering, a large amount of construction waste soil is generated, generally, the soil cannot be directly used, so the soil is transported to marginal zones for accumulation treatment or filled into the sea, but the soil has certain pollution, random treatment can cause harm to the environment and future development of cities, and the soil needs to be improved and treated for reuse. The improved soil can be reused, so that the stacking problem can be solved, raw materials can be provided for new buildings, and the problem of insufficient raw materials is solved.
Accordingly, the present inventors have made extensive studies to solve the above problems and have made the present invention.
Disclosure of Invention
The invention aims to provide a polluted soil improving device which is easy to manufacture so as to solve the problems in the background art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a contaminated soil improvement apparatus includes an apparatus main body; the device main body comprises a machine shell and a crushing and mixing mechanism in the machine shell; the machine shell comprises a first feeding hole and a second feeding hole which are positioned above the crushing and mixing mechanism and an improved soil discharging hole which is positioned below the crushing and mixing mechanism; the crushing and mixing mechanism comprises a rotating shaft, a crushing cutter connected with the rotating shaft and a driving device for driving the rotating shaft to rotate.
The crushing cutter comprises a weight and a chain; the chain includes a first end connected to the rotating shaft and a second end connected to the weight.
The rotating shaft comprises a rotating shaft and at least one mounting seat which is axially arranged along the rotating shaft and is used for connecting a crushing cutter.
The mounting seat comprises a lantern ring sleeved on the rotating shaft; the lantern ring comprises more than two connecting holes for connecting the chain.
And the four connecting holes are uniformly distributed on the lantern ring.
The crushing and mixing mechanism also comprises a scraping arm fixedly connected with the rotating shaft; the scraping arm comprises an arm section connected with the rotating shaft and an elastic scraping section connected to the tail end of the arm section.
The device main body further comprises a supporting frame for supporting the shell; the machine shell comprises a cylinder main body connected with the supporting frame and an upper end wall connected to the upper end of the cylinder main body; the rotating shaft is rotatably connected between the upper end wall and the supporting frame; the rotating shaft is coaxially arranged with the cylinder main body.
The first feed inlet is formed in the upper end wall; the casing still includes with upper end wall swing joint and the first feed inlet of activity closed striker plate.
The second feed inlet is formed in the upper end wall; the second feed inlet comprises a first material distribution hole and a second material distribution hole; the shell also comprises a material guide device; the material guide device comprises a collecting hopper, a first material distribution pipe and a second material distribution pipe, wherein the first material distribution pipe and the second material distribution pipe are connected with the collecting hopper; the inner hole of the first material distribution pipe is communicated with the first material distribution hole; and the inner hole of the second material distribution pipe is communicated with the second material distribution hole.
The device main body also comprises a spiral conveyor for conveying the modifying agent into the collecting hopper, a first conveying belt for conveying the polluted soil into the modified soil inlet, and a second conveying belt positioned below the modified soil outlet.
After adopting above-mentioned technical scheme, a pollute soil improvement device has following beneficial effect at least:
in the actual implementation process, the polluted soil enters from the first feeding hole, the modifying agent enters from the second feeding hole, the polluted soil and the modifying agent are converged in the modifying device, and the polluted soil is crushed by the crushing and mixing mechanism and then is uniformly mixed with the modifying agent, so that the polluted soil is modified and is converted into the modified soil which can be utilized; the device can continuously manufacture the improved soil and efficiently produce the improved soil.
Drawings
FIG. 1 is a schematic structural view of a contaminated soil improvement apparatus according to an embodiment of the present invention;
FIG. 2 is a sectional view of a contaminated soil improvement device according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a crushing and mixing mechanism according to an embodiment of the invention;
FIG. 4 is a top view of a chassis according to an embodiment of the invention;
in the figure:
a housing 1; a crushing and mixing mechanism 2; a first feed port 11; a second feed port 12; an improved soil discharge port 13; a rotating shaft 21; a crushing cutter 22; a drive device 23; a weight 221; a chain 222; a rotating shaft 211; a mount 212; a scraper arm 24; an arm segment 241; an elastomeric scraper segment 242; a support frame 3; a cartridge body 14; an upper end wall 15; a striker plate 16; a material guide 17; a collection hopper 171; a first branch pipe 172; a second branch pipe 173; a screw conveyor 4; a first conveyor belt 5; a second conveyor belt 6.
Detailed Description
To further explain the technical solution of the present invention, the following detailed description will be made of specific embodiments as shown in fig. 1-4.
A contaminated soil improvement apparatus includes an apparatus main body; the device main body comprises a machine shell 1 and a crushing and mixing mechanism 2 in the machine shell 1; the machine shell 1 comprises a first feeding hole 11 and a second feeding hole 12 which are positioned above the crushing and mixing mechanism 2 and an improved soil discharging hole 13 which is positioned below the crushing and mixing mechanism 2; the crushing and mixing mechanism 2 includes a rotating shaft 21, a crushing cutter 22 connected to the rotating shaft 21, and a driving device 23 that drives the rotating shaft 21 to rotate. In the actual implementation process, the contaminated soil enters from the first feeding hole 11, the modifying agent enters from the second feeding hole 12, the contaminated soil and the modifying agent are converged in the modifying device, and the contaminated soil is crushed by the crushing and mixing mechanism 2 and then is uniformly mixed with the modifying agent, so that the contaminated soil is modified and is converted into modified soil which can be utilized; the device can continuously manufacture the improved soil and efficiently produce the improved soil. Wherein the drive means 23 comprise a drive motor.
Optionally, the crushing cutter 22 comprises a weight 221 and a chain 222; the chain 222 includes a first end connected to the rotating shaft 21 and a second end connected to the weight 221. After the rotating shaft 21 rotates, the chain 222 and the weight 221 rotate along with the rotating shaft 21, and the weight 221 at the end of the chain 222 can effectively impact the contaminated soil under the action of centrifugal force, so that the contaminated soil is broken. In the actual implementation process, hard impurities are easily mixed in the polluted soil, the polluted soil can be efficiently crushed by using the weight 221, and the conditions of cutter damage and cutter blocking can be effectively reduced.
Optionally, the rotating shaft 21 comprises a rotating shaft 211 and at least one mounting 212 arranged axially along the rotating shaft 211 and adapted to connect the crushing tool 22. In the practical implementation process, set up a plurality of mount pads 212 along pivot 211 axial, mountable multilayer crushing cutter 22, contaminated soil and modifier are at the whereabouts in-process, through broken the mixture many times for mix more evenly, the improvement effect is better.
Optionally, the mounting seat 212 includes a collar sleeved on the rotating shaft 211; the collar includes more than two attachment holes for attaching the chain 222. In the implementation process in fact, connect a plurality of broken cutters 22 through setting up a plurality of connecting holes, improve broken cutter 22's striking frequency, mix through broken many times for it is more even to mix, and improvement effect is better.
Optionally, four connecting holes are uniformly distributed on the lantern ring. The four connecting holes are arranged, so that the impact frequency can be effectively improved, and the manufacturing is convenient.
Wherein the four crushing cutters 22 connected to the same mount 212 are arranged at 90 ° to each other, and the crushing cutters 22 connected to the next mount 212 are also arranged at 90 ° to each other, whereas the crushing cutters 22 arranged between the two layers are arranged at 45 °. The impact frequency of the crushing cutter 22 can be effectively improved, and the crushing and mixing are carried out for multiple times, so that the mixing is more uniform, and the improvement effect is better.
Optionally, the crushing and mixing mechanism 2 further comprises a scraper arm 24 fixedly connected with the rotating shaft 21; the scraper arm 24 includes an arm section 241 connected to the rotating shaft 21 and an elastic scraper section 242 connected to an end of the arm section 241. In practical implementation, the polluted soil is easy to adhere to the inner wall of the machine shell 1 during crushing and mixing, and the soil adhered to the inner wall can be removed through the scraping arm 24, so that the polluted soil falls down to participate in mixing. The elastic scraping section 242 is made of rubber resin or plastic, and the elastic scraping section 242 is tightly attached to the inner wall of the machine shell 1 through elastic deformation in the scraping stage, so that soil adhered to the inner wall can be conveniently hung.
Optionally, the apparatus main body further includes a support frame 3 supporting the casing 1; the cabinet 1 includes a cylinder main body 14 connected with the supporting frame 3 and an upper end wall 15 connected to the upper end of the cylinder main body 14; the rotating shaft 21 is rotatably connected between the upper end wall 15 and the support frame 3; the rotation shaft 21 is disposed coaxially with the cylinder main body 14. In actual implementation, a section of thick bamboo main part 14 can carry on spacingly to contaminated soil and modifier, supports rotation axis 21 through upper end wall 15 and support frame 3 for rotation axis 21 rotates more steadily high-efficient.
Optionally, the first feed opening 11 is provided in the upper end wall 15; the casing 1 further comprises a striker plate 16 movably connected with the upper end wall 15 and movably closing the first feed opening 11. In the practical implementation process, the polluted soil can fall into the first feeding hole 11 through the material baffle 16, and the polluted soil is prevented from scattering due to the inertia effect.
Optionally, the second feed opening 12 is provided in the upper end wall 15; the second feed port 12 includes a first dispensing orifice and a second dispensing orifice; the casing 1 further comprises a material guide 17; the material guide 17 includes a collection hopper 171, a first branch pipe 172 and a second branch pipe 173 connected to the collection hopper 171; the inner hole of the first distributing pipe 172 is communicated with the first distributing hole; the inner hole of the second branch pipe 173 is communicated with the second branch hole. In practical implementation, the modifier is separately conveyed through the first distributing pipe 172 and the second distributing pipe 173 after entering the collecting hopper 171 and falls into different positions of the cylinder main body 14, so that the modifier and the contaminated soil can be uniformly mixed.
Optionally, the apparatus body further comprises a screw conveyor 4 for conveying the improving agent into the collecting hopper 171, a first conveyor belt 5 for conveying contaminated soil into the improved soil inlet, and a second conveyor belt 6 under the improved soil outlet 13. In actual implementation, the modifying agent is conveyed by the screw conveyor 4, the polluted soil is conveyed by the first conveying belt 5, the modified soil is mixed and improved by the crushing and mixing device in the cylinder main body 14, and the modified soil falls into the second conveying belt 6 under the action of gravity and is conveyed outwards by the second conveying belt 6. Specifically, the first feed opening 11 is semicircular and wider than the first conveyor belt 5, so that contaminated soil can be ensured to completely enter the first feed opening 11.
The conveying speed of spiral conveying and the rotating speed of a driving motor can be controlled through a controller, and the material mixing speed is adjusted to enable the material mixing to be uniform.
The product form of the present invention is not limited to the embodiments and examples shown in the present application, and any suitable changes or modifications of the similar ideas should be made without departing from the patent scope of the present invention.
Claims (10)
1. A contaminated soil improvement device, its characterized in that: comprises a device main body; the device main body comprises a machine shell and a crushing and mixing mechanism in the machine shell; the machine shell comprises a first feeding hole and a second feeding hole which are positioned above the crushing and mixing mechanism and an improved soil discharging hole which is positioned below the crushing and mixing mechanism; the crushing and mixing mechanism comprises a rotating shaft, a crushing cutter connected with the rotating shaft and a driving device for driving the rotating shaft to rotate.
2. The contaminated soil improvement device according to claim 1, wherein: the crushing cutter comprises a weight and a chain; the chain includes a first end connected to the rotating shaft and a second end connected to the weight.
3. The contaminated soil improvement device according to claim 2, wherein: the rotating shaft comprises a rotating shaft and at least one mounting seat which is axially arranged along the rotating shaft and is used for connecting a crushing cutter.
4. The contaminated soil improvement device according to claim 3, wherein: the mounting seat comprises a lantern ring sleeved on the rotating shaft; the lantern ring comprises more than two connecting holes for connecting the chain.
5. The contaminated soil improvement device according to claim 4, wherein: and the four connecting holes are uniformly distributed on the lantern ring.
6. The contaminated soil improvement device according to any one of claims 1 to 5, wherein: the crushing and mixing mechanism also comprises a scraping arm fixedly connected with the rotating shaft; the scraping arm comprises an arm section connected with the rotating shaft and an elastic scraping section connected to the tail end of the arm section.
7. The contaminated soil improvement device according to claim 6, wherein: the device body further comprises a support frame supporting the casing; the machine shell comprises a cylinder main body connected with the supporting frame and an upper end wall connected to the upper end of the cylinder main body; the rotating shaft is rotatably connected between the upper end wall and the supporting frame; the rotating shaft is coaxially arranged with the cylinder main body.
8. The contaminated soil improvement device of claim 7, wherein: the first feed inlet is formed in the upper end wall; the casing still includes with upper end wall swing joint and the first feed inlet of activity closed striker plate.
9. The contaminated soil improvement device according to claim 8, wherein: the second feed port is arranged on the upper end wall; the second feed inlet comprises a first material distribution hole and a second material distribution hole; the shell also comprises a material guide device; the material guide device comprises a collecting hopper, a first material distribution pipe and a second material distribution pipe, wherein the first material distribution pipe and the second material distribution pipe are connected with the collecting hopper; the inner hole of the first material distribution pipe is communicated with the first material distribution hole; and the inner hole of the second material distribution pipe is communicated with the second material distribution hole.
10. The contaminated soil improvement device of claim 9, wherein: the device main body also comprises a spiral conveyor for conveying the modifying agent into the collecting hopper, a first conveying belt for conveying the polluted soil into the modified soil inlet, and a second conveying belt positioned below the modified soil outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210740215.1A CN115007627A (en) | 2022-06-28 | 2022-06-28 | Polluted soil improvement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210740215.1A CN115007627A (en) | 2022-06-28 | 2022-06-28 | Polluted soil improvement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115007627A true CN115007627A (en) | 2022-09-06 |
Family
ID=83077376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210740215.1A Pending CN115007627A (en) | 2022-06-28 | 2022-06-28 | Polluted soil improvement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115007627A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007090323A (en) * | 2005-09-05 | 2007-04-12 | Nakaken:Kk | Pulverizing apparatus and pulverizing method |
| CN200957363Y (en) * | 2006-09-05 | 2007-10-10 | 任志国 | Chain large-pelletizing crusher |
| CN203886924U (en) * | 2014-05-12 | 2014-10-22 | 福建工程学院 | Vertical non-clogging breaking and mixing restoration equipment for polluted soil |
| CN107803396A (en) * | 2017-11-14 | 2018-03-16 | 郑州艾莫弗信息技术有限公司 | Contaminated soil crushes dosing and mixes controlling device |
| CN109013690A (en) * | 2018-07-11 | 2018-12-18 | 甘灿琼 | A kind of linkage pretreatment prosthetic device of contaminated soil |
| CN109513490A (en) * | 2018-12-29 | 2019-03-26 | 厦门市环境能源投资发展有限公司 | A kind of rubbish from cooking chain type crushing device |
| CN208975923U (en) * | 2018-09-03 | 2019-06-14 | 郑州鼎力新能源技术有限公司 | Three-in-one dregs of a decoction Special grinder for disintegrating |
| CN209034515U (en) * | 2018-08-24 | 2019-06-28 | 江苏华宏科技股份有限公司 | The rotating assembly mechanism of standing crusher |
| CN209697704U (en) * | 2019-03-06 | 2019-11-29 | 袁力 | Moveable-type soil repair machine |
| CN210729701U (en) * | 2019-08-30 | 2020-06-12 | 湖北源丰化工有限公司 | Novel vertical crusher for controlled-release blended fertilizer |
-
2022
- 2022-06-28 CN CN202210740215.1A patent/CN115007627A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007090323A (en) * | 2005-09-05 | 2007-04-12 | Nakaken:Kk | Pulverizing apparatus and pulverizing method |
| CN200957363Y (en) * | 2006-09-05 | 2007-10-10 | 任志国 | Chain large-pelletizing crusher |
| CN203886924U (en) * | 2014-05-12 | 2014-10-22 | 福建工程学院 | Vertical non-clogging breaking and mixing restoration equipment for polluted soil |
| CN107803396A (en) * | 2017-11-14 | 2018-03-16 | 郑州艾莫弗信息技术有限公司 | Contaminated soil crushes dosing and mixes controlling device |
| CN109013690A (en) * | 2018-07-11 | 2018-12-18 | 甘灿琼 | A kind of linkage pretreatment prosthetic device of contaminated soil |
| CN209034515U (en) * | 2018-08-24 | 2019-06-28 | 江苏华宏科技股份有限公司 | The rotating assembly mechanism of standing crusher |
| CN208975923U (en) * | 2018-09-03 | 2019-06-14 | 郑州鼎力新能源技术有限公司 | Three-in-one dregs of a decoction Special grinder for disintegrating |
| CN109513490A (en) * | 2018-12-29 | 2019-03-26 | 厦门市环境能源投资发展有限公司 | A kind of rubbish from cooking chain type crushing device |
| CN209697704U (en) * | 2019-03-06 | 2019-11-29 | 袁力 | Moveable-type soil repair machine |
| CN210729701U (en) * | 2019-08-30 | 2020-06-12 | 湖北源丰化工有限公司 | Novel vertical crusher for controlled-release blended fertilizer |
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|---|
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Application publication date: 20220906 |