CN114653745B - Degradation equipment that soil polycyclic aromatic hydrocarbon pollution treatment used - Google Patents
Degradation equipment that soil polycyclic aromatic hydrocarbon pollution treatment used Download PDFInfo
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- CN114653745B CN114653745B CN202210329201.0A CN202210329201A CN114653745B CN 114653745 B CN114653745 B CN 114653745B CN 202210329201 A CN202210329201 A CN 202210329201A CN 114653745 B CN114653745 B CN 114653745B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/10—Reclamation of contaminated soil microbiologically, biologically or by using enzymes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
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- Life Sciences & Earth Sciences (AREA)
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- Mycology (AREA)
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- Environmental & Geological Engineering (AREA)
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Abstract
The invention discloses a degradation device for processing polycyclic aromatic hydrocarbon pollution in soil, which comprises: the device comprises a device bracket, a first crushing device, a second crushing device and stirring blades, wherein the device bracket is horizontally placed on the ground, the upper end of the device bracket is coaxially fixed with a device shell, the inside of the device shell is fixedly provided with the first crushing device, the second crushing device and the stirring blades from top to bottom in sequence, and the inside of the device shell is divided into a first crushing area, a second crushing area and a degradation area; the first motor is coaxially fixed on the upper surface of the equipment shell, and the right side of the first motor is fixedly provided with a soil inlet; the hard material collecting box is fixed at the upper end of the middle of the outer cylindrical surface of the equipment shell by a bolt; the agent inlet pipe is fixed at the middle lower end of the outer cylindrical surface of the equipment shell by bolts; and the second motor is coaxially fixed on the lower surface of the equipment shell, and the right side of the second motor is fixedly provided with a soil outlet pipe.
Description
Technical Field
The invention relates to the field of soil degradation, in particular to degradation equipment for soil polycyclic aromatic hydrocarbon pollution treatment.
Background
Polycyclic aromatic hydrocarbons refer to aromatic hydrocarbons containing two or more benzene rings, referred to as PAHs for short. PAHs are toxic, genotoxic, mutagenic and carcinogenic, can cause various hazards to human bodies, and PAHs released into the atmosphere due to incomplete combustion of fuel are generally bonded with various types of solid particles and aerosol. Particles with a diameter of less than 1 μm in the atmosphere of the lower layer can be retained for several days to several weeks, while particles with a diameter of 1-10 μm can only be retained for a maximum of several days, and PAHs in the atmosphere enter soil, water and sediments through dry and wet sedimentation and enter biospheres, so that degradation treatment of contaminated soil is usually required to prevent PAHs in the soil from entering the human body through plants.
The existing degradation device usually directly adds polluted soil into the device, degrades polycyclic aromatic hydrocarbon in the device through a chemical or physical mode, and then discharges the device, however, under normal conditions, the soil contains stones, plant debris and large-volume soil blocks, the substances are not treated, the degradation effect of the device is influenced, the device is damaged to a certain extent, and the degradation efficiency of the polycyclic aromatic hydrocarbon is reduced.
Therefore, there is a need to provide a degradation apparatus for polycyclic aromatic hydrocarbon pollution treatment of soil to solve the above problems.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme that the degradation equipment for the soil polycyclic aromatic hydrocarbon pollution treatment comprises:
the equipment support is horizontally placed on the ground, an equipment shell is coaxially fixed at the upper end of the equipment support, a first crushing device, a second crushing device and stirring blades are fixedly assembled in the equipment shell from top to bottom in sequence, and the interior of the equipment shell is divided into a first crushing area, a second crushing area and a degradation area;
the first motor is coaxially fixed on the upper surface of the equipment shell, and the right side of the first motor is fixedly provided with a soil inlet;
the hard material collecting box is fixed at the upper end of the middle of the outer cylindrical surface of the equipment shell by a bolt;
the agent inlet pipe is fixed at the middle lower end of the outer cylindrical surface of the equipment shell by bolts;
and the second motor is coaxially fixed on the lower surface of the equipment shell, and the right side of the second motor is fixedly provided with a soil outlet pipe.
Further, preferably, the first pulverization region includes:
the annular track is coaxially fixed at the upper end of the inner cylindrical surface of the equipment shell, a rotating frame is assembled on the annular track in a sliding mode, and two groups of soil shifting plates are arranged at two ends of the rotating frame;
the filter plate is coaxially and rotatably assembled on the inner cylindrical surface of the equipment shell, and the upper surface of the filter plate is tangent to the rotating frame;
the collecting plate is placed at the lower end of the filter plate and is coaxially fixed on the inner cylindrical surface of the equipment shell;
the grinding roller is coaxially and rotatably assembled in the middle of the rotating frame and is tangent to the filter plate;
the fixed shaft is coaxially and fixedly assembled on the output shaft of the first motor, and two extending shafts are vertically arranged on the side surface of the fixed shaft and coaxially fixed on the rotating frame;
and the transmission box is fixed at the middle part of the upper surface of the collecting plate by bolts, and four groups of vibration devices are fixedly assembled on the extending shafts on the four side surfaces.
Further, preferably, the grinding roller includes:
the axis of rotation sets up to two sets ofly, and coaxial rotation assembly is in respectively the rotating turret both ends all are coaxial fixed with solid fixed ring on it, every group gu the circumference array is equipped with eight groups on the fixed ring expanding spring is equipped with the roller in the middle of sixteen groups expanding spring.
Further, preferably, the transmission case includes:
the driving shell is fixed at the middle part of the upper surface of the collecting plate by bolts, the lower end of each side surface of the driving shell is provided with a supporting rod, and the upper surface of the driving shell is provided with a planetary wheel set;
the driving gear is horizontally placed in the transmission shell, and a fixed shaft at the upper end of the driving gear is coaxially fixed on the fixed shaft;
the four groups of transmission gears are vertically arranged in the transmission shell, the extending shafts of the transmission gears are rotatably assembled on the side wall of the transmission shell, and the four groups of transmission gears are meshed with the driving gear simultaneously.
Further, preferably, the planetary gear set includes:
the gear ring is coaxially fixed in the middle of the filter plate;
the sun wheel is coaxially fixed on the fixed shaft;
the planet carrier, the bolt fastening is in the transmission housing upper surface, it is equipped with a set of planet wheel to rotate respectively on its three angles, just the planet wheel meshes with ring gear and sun gear mutually simultaneously.
Further, preferably, the vibration device includes:
the vibration shell is fixed on the far-end of the supporting rod through a bolt;
the cam is arranged on the inner near-center side of the vibration shell and is coaxially fixed on an extending shaft of the transmission gear;
compression spring, bolt fastening are in on the bottom inner wall of vibrations shell heart far away side, and its top bolt fastening has briquetting, slide bar and rubber head down in proper order, and the nearly heart end of briquetting is located down under the cam.
Compared with the prior art, the invention provides degradation equipment for soil polycyclic aromatic hydrocarbon pollution treatment, which has the following beneficial effects:
according to the invention, two-stage crushing devices are arranged, the first crushing device is utilized to preliminarily crush soil to be treated, meanwhile, stones and plant debris which cannot be crushed are discharged out of the device and then injected into the second crushing device to be further crushed, the 'purity' of the soil is ensured to the greatest extent, the relative surface area of the soil is increased, the degradation efficiency and the degradation effect of polycyclic aromatic hydrocarbons are improved, the device is protected from being damaged to a certain extent, meanwhile, in order to prevent stones, plant debris and large-volume soil blocks in the soil from being clamped on a filter plate of the first crushing device to influence the crushing efficiency, a vibration device is additionally arranged, the fixed position of the filter plate is periodically subjected to striking treatment to generate vibration, clamped substances are popped out, and the working efficiency of the device is further improved.
Drawings
FIG. 1 is a schematic view of a degradation apparatus for treating soil polycyclic aromatic hydrocarbon pollution;
FIG. 2 is a sectional view of a casing of a degradation apparatus for treating soil polycyclic aromatic hydrocarbon pollution;
FIG. 3 is a schematic view of a first crushing apparatus of a degradation device for processing polycyclic aromatic hydrocarbon pollution of soil;
FIG. 4 is a cross-sectional view of a degradation apparatus grinding roll for soil polycyclic aromatic hydrocarbon pollution treatment;
FIG. 5 is a partial cross-sectional view of a degradation apparatus transmission box for soil polycyclic aromatic hydrocarbon pollution treatment;
FIG. 6 is a partial cross-sectional view of a vibration device of a degradation apparatus for treating soil polycyclic aromatic hydrocarbon pollution;
FIG. 7 is a schematic view of a cam structure of a degradation apparatus for polycyclic aromatic hydrocarbon pollution treatment of soil;
in the figure: 1. an equipment support; 2. an equipment housing; 3. a first motor; 4. a soil inlet; 5. a hard material collection box; 6. a feeding pipe; 7. a second motor; 8. a soil outlet pipe; 9. a first crushing device; 10. a second crushing device; 11. stirring blades; 91. an annular track; 92. a filter plate; 93. a soil collecting plate; 94. a rotating frame; 95. a grinding roller; 96. c, soil shifting plate; 97. a fixed shaft; 98. a transmission box; 99. a vibration device; 951. a roller; 952. a rotating shaft; 953. a fixing ring; 954. a tension spring; 981. a drive housing; 982. a driving gear; 983. a transmission gear; 984. a drive shaft; 985. a ring gear; 986. a sun gear; 987. a planet wheel; 988. a planet carrier; 991. vibrating the shell; 992. a cam; 993. a compression spring; 994. pressing a block; 995. a slide bar; 996. a rubber head.
Detailed Description
Referring to fig. 1 to 7, the present invention provides a degradation apparatus for polycyclic aromatic hydrocarbon pollution treatment of soil, comprising:
the equipment support 1 is horizontally placed on the ground, an equipment shell 2 is coaxially fixed at the upper end of the equipment support, a first crushing device 9, a second crushing device 10 and a stirring blade 11 are fixedly assembled inside the equipment shell 2 from top to bottom in sequence, and the inside of the equipment shell 2 is divided into a first crushing area, a second crushing area and a degradation area;
the first motor 3 is coaxially fixed on the upper surface of the equipment shell 2, and the right side of the first motor is fixedly provided with a soil inlet 4;
the hard material collecting box 5 is fixed at the middle upper end of the outer cylindrical surface of the equipment shell 2 through bolts;
the agent inlet pipe 6 is fixed at the middle lower end of the outer cylindrical surface of the equipment shell 2 through bolts;
the second motor 7 is coaxially fixed on the lower surface of the equipment shell 2, and the right side of the second motor is fixedly provided with a soil outlet pipe 8;
as a preferred embodiment, the second motor 7 directly drives the stirring blade 11 to rotate, so as to stir the soil in the degradation area to rotate, thereby improving the degradation efficiency of the microorganisms, and simultaneously providing sufficient oxygen for the degradation of the microorganisms, the soil crushed by the first crushing device 9 can directly fall into the second crushing device 10 positioned right below the first crushing device to be further crushed, the total surface area of the soil is increased to the maximum extent, and the degradation efficiency of the microorganisms is improved.
Further, the first crushing zone 9 includes:
the annular rail 91 is coaxially fixed at the upper end of the inner cylindrical surface of the equipment shell 2, a rotating frame 94 is assembled on the annular rail in a sliding mode, and two groups of soil shifting plates 96 are arranged at two ends of the rotating frame 94;
a filter plate 92 coaxially and rotatably mounted on the inner cylindrical surface of the apparatus casing 2, and having an upper surface tangent to the rotary frame 94;
a collecting plate 93 which is placed at the lower end of the filter plate 92 and coaxially fixed on the inner cylindrical surface of the equipment housing 2, wherein the collecting plate 93 collects the soil crushed by the first crushing device 9 and accurately sends the soil to the crushing roller of the second crushing device 10 through a lower opening of the collecting plate 93;
the grinding roller 95 is coaxially and rotatably assembled in the middle of the rotating frame 94 and is tangent to the filter plate 92;
a fixed shaft 97 coaxially and fixedly assembled on the output shaft of the first motor 3, two protruding shafts are vertically arranged on the side surface of the fixed shaft 97, and the fixed shaft is coaxially fixed on the rotating frame 94;
the transmission box 98 is fixed at the middle part of the upper surface of the collecting plate 93 by bolts, and four groups of vibration devices 99 are fixedly arranged on the projecting shafts at the four sides of the transmission box;
in a preferred embodiment, the first motor 3 rotates to drive the rotating rack 94 and the filter plate 92 to rotate in opposite directions, the filter plate 92 rotates to uniformly lay the soil entering from the soil inlet 4 on the surface of the filter plate, meanwhile, the rotating rack 94 rotating in opposite directions is used for grinding the soil on the surface of the filter plate, the soil shifting plate 96 positioned on the front side of the rotating rack 94 is coaxial with the inner wall of the equipment housing 2, the soil which cannot be ground at the edge of the filter plate 92 is shifted to the position below the grinding roller 95 to be ground, the end of the soil shifting plate 96 positioned on the rear side of the rotating rack 94 is always tangent to the inner wall of the equipment housing 2, the soil blocks which cannot be ground and plant debris are pushed to rotate, and gradually approach the inner wall of the equipment housing 2 under the action of centrifugal force, and finally enter the hard material collection box 5.
Further, the grinding roller 95 includes:
two groups of rotating shafts 952 which are coaxially and rotatably assembled at two ends of the rotating frame 94 respectively are coaxially fixed with fixing rings 953, eight groups of telescopic springs 954 are circumferentially assembled on each group of fixing rings 953 in an array manner, and rollers 951 are assembled in the middle of sixteen groups of telescopic springs 954;
as a preferred embodiment, when the device is in operation, the roller 951 rotates along its axial direction under the friction force with the filter plate 92, so as to perform primary crushing on the soil on the filter plate 92, when the soil crushed during rotation passes through the filter plate and falls onto the collecting plate 93, and then accurately falls onto the crushing roller of the second crushing device 10 through the collection of the collecting plate 93, when the roller 951 encounters materials which are not easy to crush, such as stones and plant debris, during crushing, under the action of stones or plant debris, sixteen groups of expansion springs 954 contract or extend to different degrees, and the roller 951 adaptively lifts and continues to rotate along the outer contour of the stones or plant debris, so as to protect the device from damage.
Further, the transmission case 98 includes:
a driving shell 981 which is fixed at the middle part of the upper surface of the collecting plate 93 by bolts, wherein the lower end of each side surface of the driving shell is provided with a supporting rod 984, and the upper surface of the driving shell is provided with a planetary wheel set;
a driving gear 982 horizontally placed inside the transmission housing 981, and a fixed shaft at the upper end thereof is coaxially fixed on the fixed shaft 97;
four groups of transmission gears 983 are vertically arranged in the transmission shell 981, extending shafts of the transmission gears 983 are rotatably assembled on the side wall of the transmission shell 981, and the four groups of transmission gears 983 are meshed with the driving gear 982 simultaneously;
in a preferred embodiment, the collecting plate 93 is provided with a plurality of protruding shafts on the upper surface thereof, and the driving housing 981 is fixed at the middle portion thereof without affecting the falling of the soil, so that when the first motor 3 rotates, the driving gear 982 is driven to rotate, and the driving gear 983 is driven to rotate, and the vibrating device 99 is driven to operate through the protruding shafts of the driving gear 983.
Further, the planetary gear set includes:
the gear ring 985 is coaxially fixed in the middle of the filter plate 92;
a sun gear 986 coaxially fixed to the fixed shaft 97;
a planet carrier 988 fixed on the upper surface of the transmission housing 981 through bolts, wherein a group of planet wheels 987 are respectively and rotatably assembled on three corners of the planet carrier 988, and the planet wheels 987 are simultaneously meshed with the gear ring 985 and the sun wheel 986;
in a preferred embodiment, the first motor 3 rotates counterclockwise, the sun wheel 986 fixed coaxially with the output shaft rotates counterclockwise, because the planet carrier 988 is fixed, the planet wheel 987 rotates clockwise, and the ring gear 985 engaged therewith rotates clockwise, so as to drive the filter plate 92 to rotate clockwise, so that the soil entering the device is uniformly laid on the upper surface of the filter plate 92, and the filter plate 92 rotates opposite to the rotating frame 94, thereby accelerating the grinding efficiency of the grinding roller 95 to a certain extent.
Further, the vibration device 99 includes:
the vibration shell 991 is fixed on the far end of the support rod 984 through bolts;
a cam 992 which is disposed inside the vibration shell 991 on the proximal side and is coaxially fixed on the extending shaft of the transmission gear 983;
the compression spring 993 is fixed on the inner wall of the bottom of the telecentric side of the vibration shell 991 through bolts, a lower pressing block 994, a sliding rod 995 and a rubber head 996 are sequentially fixed on the upper portion of the compression spring 993 through bolts, the proximal end of the lower pressing block 994 is positioned right below a point right below the cam 992, and the rubber head 996 is made of rubber materials so as to prevent the sliding rod 995 from damaging the filter plate 92 in the rebound process;
in a preferred embodiment, when a point right below the cam 992 is located at a section a, the radius of the cam is unchanged, the lower pressing block 994 is located right below a point right below the cam 992, and is in an initial state, the compression spring 993 is compressed under the action of the filter plate 92, the rubber head 996 is tangent to the lower surface of the filter plate 92, when a point right below the cam 992 is located at a section B, the radius of the cam is gradually increased, the compression amount of the compression spring 993 is kept unchanged, the lower pressing block 994 is tangent to a point right below the cam 992 at the point where the section B is ended at the point right below the cam 992, when a point right below the cam 992 is located at a section C, the radius of the cam is continuously increased, and the compression amount of the compression spring 993 is gradually increased, rubber head 996 leaves filter 92, and the distance increases gradually, it is tangent all the time to keep down the briquetting 994 and the point under cam 992, the point under cam 992 is filtered the A section by the C section in the twinkling of an eye, the diameter of the point under cam 992 becomes the minimum by the biggest, compression spring 993 is kick-backed in the twinkling of an eye, rubber head 996 impairs filter 92 violently, make filter 92 shake, and then pop out the stone or the plant piece of card above that, then get back to initial position and participate in the circulation again, and the initial state of four groups of vibrator 99 is all inequality, each group vibrator 99 all is equivalent to the cam 992 rotation 90 of last group vibrator 99.
When in specific implementation, the method comprises the following steps: the method comprises the steps of injecting polluted soil into a soil inlet 4, starting a first motor 3 and a second crushing device 10, primarily crushing the soil in a first crushing area, picking out stones and plant debris in the soil and sending the stones and the plant debris into a hard matter collecting box 5, enabling the soil meeting the requirements of primary crushing to pass through a filter plate 92 and fall into a second crushing area after gathering of a soil gathering plate 93, crushing the soil in the second crushing area, enabling the soil to fall into a degradation area, stopping soil feeding after the soil in the degradation area reaches a certain degree, starting the first motor 3 and the second crushing device 10, starting a second motor 7, enabling a microbial reagent to fall into the degradation area through an agent inlet pipe 6, enabling microbes to fully react with polycyclic aromatic hydrocarbons in the soil under the stirring of a stirring blade 11, starting a soil outlet pipe 8 after the reaction is completed, enabling the treated soil to be quickly discharged out under the action of the stirring blade 11, closing the second motor 7 and the soil outlet pipe 8 after the soil is completely discharged, and starting the first motor 3 and the second crushing device 10 to continue to treat the soil.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (4)
1. The utility model provides a degradation equipment that soil polycyclic aromatic hydrocarbon pollution treatment used which characterized in that: the method comprises the following steps:
the equipment comprises an equipment support (1) which is horizontally placed on the ground, wherein an equipment shell (2) is coaxially fixed at the upper end of the equipment support, a first crushing device (9), a second crushing device (10) and a stirring blade (11) are fixedly assembled in the equipment shell (2) from top to bottom in sequence, and the inside of the equipment shell (2) is divided into a first crushing area, a second crushing area and a degradation area;
the first motor (3) is coaxially fixed on the upper surface of the equipment shell (2), and the right side of the first motor is fixedly provided with a soil inlet (4);
the hard material collecting box (5) is fixed at the middle upper end of the outer cylindrical surface of the equipment shell (2) through bolts;
the feeding pipe (6) is fixed at the middle lower end of the outer cylindrical surface of the equipment shell (2) through bolts;
the second motor (7) is coaxially fixed on the lower surface of the equipment shell (2), and the right side of the second motor is fixedly provided with a soil outlet pipe (8);
the first crushing device (9) comprises an annular rail (91), the annular rail (91) is coaxially fixed at the upper end of the inner cylindrical surface of the equipment shell (2), a rotating frame (94) is assembled on the annular rail in a sliding mode, and two groups of soil shifting plates (96) are arranged at two ends of the rotating frame (94);
the filter plate (92) is coaxially and rotatably assembled on the inner cylindrical surface of the equipment shell (2), and the upper surface of the filter plate is tangent to the rotating frame (94);
a collecting plate (93) placed at the lower end of the filtering plate (92) and coaxially fixed to the inner cylindrical surface of the apparatus casing (2);
the grinding roller (95) is coaxially and rotatably assembled in the middle of the rotating frame (94) and is tangent to the filter plate (92);
the fixed shaft (97) is coaxially and fixedly assembled on the output shaft of the first motor (3), two extending shafts are vertically arranged on the side surface of the fixed shaft, and the fixed shaft is coaxially fixed on the rotating frame (94);
the transmission box (98) is fixed at the middle part of the upper surface of the collecting plate (93) by bolts, and four groups of vibration devices (99) are fixedly assembled on the extending shafts at the four side surfaces of the transmission box;
the vibration device (99) includes:
the vibration shell (991) is fixed on the far end of the support rod (984) through bolts;
the cam (992) is placed on the inner near-center side of the vibration shell (991) and is coaxially fixed on an extending shaft of the transmission gear (983);
compression spring (993), the bolt fastening is in on the bottom inner wall of vibrations shell (991) telecentric side, its top bolt fastening has down briquetting (994), slide bar (995) and rubber head (996) in proper order, and just down briquetting (994) nears the heart end and is located under cam (992).
2. The degradation equipment of claim 1, wherein the equipment comprises: the grinding roller (95) includes:
the rotating shafts (952) are arranged into two groups, and are respectively coaxially and rotatably assembled at two ends of the rotating frame (94), fixing rings (953) are coaxially fixed on the rotating shafts, eight groups of telescopic springs (954) are circumferentially assembled on each fixing ring (953) in an array manner, and roller columns (951) are assembled in the middle of sixteen groups of telescopic springs (954).
3. The degradation equipment of claim 2, wherein the equipment comprises: the transmission case (98) includes:
the driving shell (981) is fixed at the middle part of the upper surface of the collecting plate (93) by bolts, the lower end of each side surface is provided with a supporting rod (984), and the upper surface of the driving shell is provided with a planetary wheel set;
the driving gear (982) is horizontally placed in the transmission shell (981), and a fixed shaft at the upper end of the driving gear is coaxially fixed on the fixed shaft (97);
the four groups of transmission gears (983) are vertically arranged in the transmission shell (981), the extending shafts of the transmission gears are rotatably assembled on the side wall of the transmission shell (981), and the four groups of transmission gears (983) are meshed with the driving gear (982) at the same time.
4. The degradation equipment of claim 3, wherein the equipment comprises: the planetary gear set includes:
the gear ring (985) is coaxially fixed in the middle of the filter plate (92);
a sun gear (986) coaxially fixed to the fixed shaft (97);
planet carrier (988), the bolt fastening be in transmission shell (981) upper surface, it is equipped with a set of planet wheel (987) to rotate respectively in its three angles, just planet wheel (987) mesh with ring gear (985) and sun gear (986) simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210329201.0A CN114653745B (en) | 2022-03-30 | 2022-03-30 | Degradation equipment that soil polycyclic aromatic hydrocarbon pollution treatment used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210329201.0A CN114653745B (en) | 2022-03-30 | 2022-03-30 | Degradation equipment that soil polycyclic aromatic hydrocarbon pollution treatment used |
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| Publication Number | Publication Date |
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| CN114653745A CN114653745A (en) | 2022-06-24 |
| CN114653745B true CN114653745B (en) | 2023-04-18 |
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| CN202210329201.0A Active CN114653745B (en) | 2022-03-30 | 2022-03-30 | Degradation equipment that soil polycyclic aromatic hydrocarbon pollution treatment used |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB264324A (en) * | 1926-01-20 | 1927-01-20 | David John Rees | Improvements in or relating to grinding, crushing, pulverizing, mixing and separating machines |
| JP3420949B2 (en) * | 1997-12-25 | 2003-06-30 | キヤノン株式会社 | Soil purification device and method for repairing contaminated soil |
| CN106363016B (en) * | 2016-09-12 | 2018-11-23 | 河海大学 | Integrated soil remediation photo catalysis reactor |
| CN111822091B (en) * | 2020-07-15 | 2021-12-21 | 陈守中 | Grinder for bio-pharmaceuticals with multilayer separation purification function |
| CN213409811U (en) * | 2020-08-02 | 2021-06-11 | 杨开福 | Soil pollution treatment equipment |
| CN214585396U (en) * | 2021-01-28 | 2021-11-02 | 青岛环境工程设计院有限公司 | Ecological protection edge definition quantity evaluation equipment for wetland |
| CN214427097U (en) * | 2021-03-03 | 2021-10-19 | 云南省农业科学院农业环境资源研究所 | Blending device for soil sample collection |
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