CN208526760U - Sieve the broken scraper bowl of impurity - Google Patents
Sieve the broken scraper bowl of impurity Download PDFInfo
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- CN208526760U CN208526760U CN201820998936.1U CN201820998936U CN208526760U CN 208526760 U CN208526760 U CN 208526760U CN 201820998936 U CN201820998936 U CN 201820998936U CN 208526760 U CN208526760 U CN 208526760U
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- fixedly connected
- sieve
- bucket shell
- scraper bowl
- pulley
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Abstract
The utility model discloses a kind of broken scraper bowls for sieving impurity, belong to soil treatment field, its key points of the technical solution are that including bucket shell, multiple breaker rolls are equipped in bucket shell, breaker roll one end is fixedly connected with gear, adjacent gear intermeshing, driving motor is fixedly connected in bucket shell, driving single machine is fixedly connected with driving pulley, breaker roll one end is fixedly connected with driven pulley, it is arranged with belt jointly on driving pulley and driven pulley, driving pulley is arranged in belt, driving pulley is fixedly connected with cam, elliptical ring is arranged with outside cam, drive rod is fixedly connected with outside elliptical ring, sieve is slidably connected in bucket shell, drive rod is fixedly connected on one end of sieve, solve the problems, such as that the bulk pollutant in soil is difficult to separate with soil, reach and has first screened out bulk pollutant before being broken The effect gone.
Description
Technical field
The utility model relates to soil treatment field, in particular to a kind of broken scraper bowl for sieving impurity.
Background technique
Broken scraper bowl be it is a kind of common scraper bowl bottom be provided with discharge port, in scraper bowl equipped with breaker roll for broken or
The scraper bowl of person's mixed soil, soil can be broken when breaker roll rotation, and roller is broken or then mixing is arranged from discharge port
Out, identical with the effect of common scraper bowl without being crushed scraper bowl when turning in breaker roll.
The prior art can refer to the Chinese utility model patent that Authorization Notice No. is CN202148548U, and it discloses one kind
Scraper bowl.It is asked with solving existing have a single function with matching used scraper bowls of Hydraulically Operated Equipments such as loading machine, hydraulic press, excavators
Topic.The both ends of girder communicate and affixed with chain-wheel box, and the trailing flank of striker plate and girder and two chain-wheel boxs is affixed, bottom plate and gear
Flitch and shovel board are affixed, and two side plate settings are on bottom plate and shovel board and affixed with bottom plate, shovel board and chain-wheel box；Two motors are equal
It is packed in the inner cavity of girder, the first sprocket wheel and two ~ tri- chain wheel sets is provided in each chain-wheel box, which is set with admittedly
On the output shaft of motor, each chain wheel set is sleeved on admittedly in corresponding short axle, and axis is housed between each short axle and bearing block
It holds, the both ends of each broken roller assembly are fixedly connected with two short axles, the second corresponding sprocket wheel on the first sprocket wheel and chain wheel set
Between and two neighboring chain wheel set respectively pass through driving belt connect.
Broken scraper bowl usually only needs when processing does not contain the soil of bulk hard impurity by the fritter in soil
Impurity or soil block are smashed, or soil is mixed with drug, carry out repairing polluted soil, during processing, are often contained in soil
There is bulk pollutant, smashes the pollution being mixed into soil as the needs such as bulk plastic, glass remove the scraper bowl that is still easy to be broken
Object, it is more difficult to be separated with soil.
Utility model content
The purpose of the utility model is to provide a kind of broken scraper bowls for sieving impurity, before being broken first by bulk pollutant
Screening is gone out, and separates bulk pollutant with soil under the premise of not influencing broken scraper bowl and normally handling soil.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of broken scraper bowl sieving impurity, including bucket shell offer discharge port in bucket housing bottom, in bucket shell
Equipped with multiple breaker rolls arranged side by side, breaker roll covers discharge port, and each breaker roll one end is fixedly connected to gear, adjacent
Gear intermeshing, bucket shell in be fixedly connected with driving motor, drive be fixedly connected on the output shaft of single machine actively
Belt wheel is fixedly connected with driven pulley in breaker roll one end close to driving pulley, covers jointly on driving pulley and driven pulley
Equipped with belt, driving pulley is arranged in belt, driving pulley is fixedly connected with cam, and cam is concentric with driving pulley,
It is arranged with elliptical ring outside cam, drive rod is fixedly connected with outside elliptical ring, cam can drive elliptical ring along the length of short radius
Do linear reciprocating motion in degree direction；It is corresponded in bucket shell and slidably connects sieve at breaker roll top position, drive rod is fixed
It is connected to one end of sieve.
By using above scheme, scraper bowl is crushed when handling soil, soil enters bucket enclosure interior from feed inlet,
Sieve is first passed through, driving motor drives driving pulley rotation, and driving pulley drives driven pulley and driving pulley to turn by belt
Dynamic, so that breaker roll and cam be driven to rotate, cam drives sieve to do straight reciprocating motion, reaches in not shadow during rotation
The effect for separating bulk pollutant with soil under the premise of being fallen on breaker roll under sound soil is normal；Sieve does linear reciprocation fortune
Kinetic energy enough prevents sieve to be plugged, and influences soil across sieve；And the power resources of screen movement are in the dynamic of breaker roll itself
Power does not need waste additional energy source, reduces under treated the contaminated function of soil realizing, additionally it is possible to reduce the money used
Source achievees the effect that protect environment.
It is fixedly connected with connection frame at sieve top position preferably, corresponding in bucket shell, rotates and connects in sieve upper surface
Multiple stirring rods are connected to, stirring rod can stretch, and each stirring rod other end is rotationally connected on connection frame.
By using above scheme, sieve will drive stirring rod while continuous movement and swing back and forth, and reach stirring soil
The effect of earth makes soil by becoming softer before sieve, soil is made to more easily pass sieve, also make soil be easier with it is big
Block separated from contaminants.
Preferably, being fixedly connected to two blades on every stirring rod, each blade is each perpendicular to stirring rod setting,
Angle setting at an acute angle between two blades on every stirring rod.
By using above scheme, blade can enhance the mixing effect of stirring rod, and the angle between two blades is in sharp
Angle setting makes two blade cooperations be easier stirring soil.
Preferably, corresponding to sieve far from sliding slot is offered at one end position of drive rod in bucket shell, sieve is slidably connected to
In sliding slot, sieve is fixedly connected with U-shaped bar close to sliding slot one end, and the both ends of U-shaped bar are fixedly connected on sieve, U-shaped bar and sieve
It is formed with empty slot between net, is corresponded in bucket shell and is fixedly connected with baffle at empty slot position, baffle can be moved to most in sieve
Stop U-shaped bar mobile to sieve direction when close to cam.
By using above scheme, U-shaped bar can prevent sieve because unexpected separate with bucket shell, while can enhance sieve
The stability of net makes sieve be not easy to be damaged by pressure by soil.
Preferably, drive rod is fixedly connected on the side of sieve, fixed company at another side position of sieve is corresponded in bucket shell
It is connected to guide post, guide post is arranged along screen movement direction, and sieve is slidably connected on guide post far from drive rod side.
By using above scheme, guide post can to sieve far from drive rod side to guide, make the motion profile of sieve
It is more stable.
Multiple sparge pipes are installed at breaker roll position preferably, corresponding in bucket shell.
By using above scheme, broken scraper bowl often has many soil and floating dust on surface after hours, need into
Row cleaning, and the soil on breaker roll does not often allow easy to clean, staff can be by sparge pipe directly to bucket enclosure interior
Water spray facilitates staff to clean broken scraper bowl to rinse the soil on breaker roll.
Preferably, being fixedly connected with water tank far from breaker roll one end in sparge pipe, it is fixedly connected on water tank into water
Pipe, water inlet pipe stretch out bucket shell setting.
By using above scheme, some water can be retained in water tank, need simple cleaning in broken scraper bowl or broken
Soil in broken scraper bowl can be sprayed water by sparge pipe into bucket shell in the case where needing to humidify, staff can by into
Water pipe comes into water tank plus water.
Movable pulley is slidably connected at sparge pipe position preferably, corresponding in bucket shell, corresponds to movable pulley position in sparge pipe
The place of setting offers strip groove, and strip groove is arranged along sparge pipe length direction, and movable pulley slides along strip groove and can adjust spray
Angle between water pipe and bucket shell.
By using above scheme, movable pulley slides up and down the water spray angle of i.e. controllable sparge pipe along strip groove, reaches
The effect that all breaker rolls can be flushed to.
In conclusion the utility model has the following beneficial effects:
1. broken scraper bowl is when handling soil, soil enters bucket enclosure interior from feed inlet, first passes through sieve, drives
Dynamic motor drives driving pulley rotation, and driving pulley drives driven pulley and driving pulley to rotate by belt, to drive broken
Broken roller and cam rotation, cam drives sieve to do straight reciprocating motion during rotation, reach do not influence soil it is normal under
The effect for separating bulk pollutant with soil under the premise of falling on breaker roll；Sieve does straight reciprocating motion and can prevent from sieving
Net is plugged, and influences soil across sieve；And the power resources of screen movement do not need to waste in the power of breaker roll itself
Additional energy source is reduced under treated the contaminated function of soil, additionally it is possible to reduce the resource used, reach protection ring realizing
The effect in border；
2. sieve will drive stirring rod while continuous movement and swing back and forth, achievees the effect that stir soil, make soil
Become softer before by sieve, soil is made to more easily pass sieve, is easier soil and bulk separated from contaminants；
3. blade can enhance the mixing effect of stirring rod, the setting at an acute angle of the angle between two blades makes two leaves
Piece cooperation is easier stirring soil.
Detailed description of the invention
Fig. 1 is the overall structure diagram of embodiment；
Fig. 2 is the cross-sectional view of structure in prominent bucket shell in embodiment；
Fig. 3 is the schematic diagram of prominent broken roll structure in embodiment；
Fig. 4 is the explosive view of prominent mesh structure in embodiment；
Fig. 5 is the schematic diagram of prominent stirring rod structure in embodiment；
Fig. 6 is the cross-sectional view of protruding baffle and sliding groove structure in embodiment；
Fig. 7 is the schematic diagram of prominent sparge pipe structure in embodiment；
Fig. 8 is the explosive view of prominent movable pulley structure in embodiment.
In figure, 1, bucket shell；11, feed inlet；12, discharge port；13, connecting substrate；14, sliding slot；141, baffle；15, it breaks
Broken roller；151, gear；152, driven pulley；16, driving motor；161, driving pulley；162, belt；17, through slot；2, sieve；
21, drive rod；211, elliptical ring；22, driving pulley；221, cam；23, U-shaped bar；231, empty slot；24, guide post；25, it connects
Frame；251, stirring rod；2511, blade；3, sparge pipe；31, water tank；311, water inlet pipe；32, movable pulley；321, pulley spindle；
33, small cylinder；331, U-shaped frame；34, connecting plate；341, strip groove.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.The wherein identical attached drawing of identical components
Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to
It is the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from particular elements geometry
The direction at center.
Embodiment: a kind of broken scraper bowl sieving impurity, as depicted in figs. 1 and 2, including bucket shell 1, on bucket shell 1
Side offers feed inlet 11, offers discharge port 12 below bucket shell 1, and multiple arranged side by side break is equipped in bucket shell 1
Broken roller 15, breaker roll 15 cover discharge port 12.Soil enters inside bucket shell 1 from feed inlet 11, by breaker roll 15 it is broken or
It is discharged after person's mixing from discharge port 12.It is hinged with connecting substrate 13 in bucket 1 one end of shell, connecting substrate 13 is used for broken scraper bowl
It is connect with loading machine.
As shown in figures 1 and 3, each 15 one end of breaker roll is fixedly connected to gear 151, and adjacent gear 151 is mutual
Engagement.It is fixedly connected with driving motor 16 outside bucket shell 1, is fixedly connected with driving pulley on the output shaft of driving motor 16
161；Driven pulley 152, driving pulley 161 and driven pulley are fixedly connected on the gear 151 close to driving pulley 161
Belt 162 is arranged on 152 jointly.Driving motor 16 drives driving pulley 161 to rotate, and driving pulley 161 passes through 162 band of belt
Dynamic driven pulley 152 rotates, and driven pulley 152 drives all gears 151 to rotate, and starts turning breaker roll 15, is crushed or mixed
Close soil.
As shown in Figure 3 and Figure 4, driving pulley 22 is also arranged in belt 162, driving pulley 22 is fixedly connected with cam
221, cam 221 and driving pulley 22 are concentric, and elliptical ring 211 is arranged with outside cam 221, fixed outside elliptical ring 211 to connect
It is connected to drive rod 21, is offered through slot 17 (referring to Fig. 1) at corresponding 211 position of elliptical ring of bucket shell 1, drive rod 21 passes through logical
Slot 17 is arranged, and protrudes into one end in bucket shell 1 in drive rod 21 and is fixedly connected with sieve 2, sieve 2 is slidably connected in bucket shell 1.
Driving motor 16 drives driving pulley 161 to rotate, and driving pulley 161 is rotated by 162 belt wheel driving pulley 22 of belt, drives band
22 band moving cam 221 of wheel rotates, and the constantly rotation of cam 221 pushes elliptical ring 211 to do reciprocating linear along the length direction of short radius
Movement, elliptical ring 211 drive sieve 2 to slide back and forth in bucket shell 1, sieve to soil by drive rod 21.
As shown in Figure 4 and Figure 5, it is fixedly connected with connection frame 33125 at corresponding 2 top position of sieve of bucket shell 1, sieved
2 upper surface of net is rotatably connected to multiple stirring rods 251, and stirring rod 251 can stretch, and each 251 other end of stirring rod rotates
It is connected on connection frame 33125.Two blades 2511 are fixedly connected on every stirring rod 251, each blade 2511 is
It is arranged perpendicular to stirring rod 251, the angle setting at an acute angle between two blades 2511 on every stirring rod 251.Sieve 2
It drives stirring rod 251 to swing back and forth during sliding back and forth in the shell 1 that struggles against, so that stirring rod 251 is stirred soil, soil is made to exist
By becoming softer before sieve 2, it is easier soil and bulk separated from contaminants.Blade 2511 can enhance stirring rod
251 mixing effect increases the contact area of stirring rod 251 and soil indirectly.
As shown in Figure 4 and Figure 6, guide post 24, guide post 24 are fixedly connected at the corresponding another side position of sieve 2 of bucket shell 1
It is arranged along 2 direction of motion of sieve, sieve 2 is slidably connected on guide post 24 far from 21 side of drive rod.Guide post 24 can make sieve 2
Sliding motion it is more stable, it is not easy to misplace.
As shown in Figure 4 and Figure 6, sieve 2 is fixedly connected with U-shaped bar 23 far from 221 one end of cam, U-shaped bar 23 and sieve 2 it
Between be formed with empty slot 231；In the corresponding sieve 2 of bucket shell 1 far from sliding slot 14 is offered at 21 1 end position of drive rod, sieve 2 is sliding
It is dynamic to be connected in sliding slot 14, baffle 141 is fixedly connected at corresponding 231 position of empty slot of bucket shell 1.Baffle 141 can sieve
Net 2 stops U-shaped bar 23 mobile to 2 direction of sieve when being moved near cam 221, playing prevents sieve 2 to be detached from bucket shell 1
Effect.
As shown in Figure 7 and Figure 8, water tank 31, water tank 31 are fixedly connected with close to 13 one end of connecting substrate in bucket shell 1
It stretches out bucket shell 1 to be arranged, stretches out bucket 1 part of shell in water tank 31 and be fixedly connected with water inlet pipe 311, protrude into bucket in water tank 31
1 part of shell is fixedly connected with multiple sparge pipes 3, and the water in water tank 31 can be sprayed on breaker roll 15 by sparge pipe 3, convenient
Staff cleans breaker roll 15.Water tank 31 can play the role of temporary water resource, need simple cleaning in broken scraper bowl
Or the soil in broken scraper bowl needs to spray water by sparge pipe 3 into bucket shell 1 in the case where humidification.Water tank 31 passes through
The moisturizing into water tank 31 of water inlet pipe 311.
As shown in Figure 7 and Figure 8, movable pulley 32, fixed company in each movable pulley 32 are equipped with below each sparge pipe 3
It is connected to pulley spindle 321,321 both ends of pulley spindle are stretched out movable pulley 32 and are arranged.At corresponding each 321 position of pulley spindle of bucket shell 1
Two connecting plates 34 are fixedly connected to, the connecting plate 34 that one group of every two is all set in the both ends of pulley spindle 321.In each company
Fishplate bar 34 offers strip groove 341 at corresponding 321 position of pulley spindle, and strip groove 341 is arranged along 3 length direction of sparge pipe, sliding
Wheel shaft 321 is slidably connected in strip groove 341.It is fixedly connected at corresponding each 32 position of movable pulley of bucket shell 1 small-sized
Cylinder 33, the cylinder body of each small cylinder 33 are fixedly connected in bucket shell 1 at an end position of strip groove 341, each
The piston rod of small cylinder 33 is fixedly connected to U-shaped frame 331, and each pulley spindle 321 is fixedly connected in corresponding U-shaped frame
In 331.Small cylinder 33 can pull movable pulley 32 to slide along strip groove 341, and movable pulley 32 can change spray in slipping
The water spraying direction of water pipe 3.Staff only needs to control the water spraying direction of the i.e. controllable sparge pipe 3 of small cylinder 33, to make to spray
Water pipe 3 can rinse all breaker rolls 15, guarantee rinsing quality.
Usage mode: broken scraper bowl driving motor 16 after scooping up soil drives the rotation of breaker roll 15 and sieve 2 back and forth
Sliding, soil first pass through sieve 2 screening, large-scale pollutant is separated with soil, the soil after screening be broken again roller 15 be crushed
Or stirring.It is finally recycled bulk pollutant is unified, guaranteeing that treated, soil will not be secondary polluted.Sieve 2 moves
Power resources in the power of breaker roll 15 itself, do not need waste additional energy source, reduce that treated realizing soil is dirty
Under the function of dye, additionally it is possible to avoid consuming the additional energy.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of broken scraper bowl for sieving impurity, including bucket shell (1) offer discharge port (12) in bucket shell (1) bottom,
Struggling against, shell (1) is interior to be equipped with multiple breaker rolls (15) arranged side by side, and breaker roll (15) covers discharge port (12), it is characterised in that:
Each breaker roll (15) one end is fixedly connected to gear (151), adjacent gear (151) intermeshing, in bucket shell (1)
It is fixedly connected with driving motor (16), driving pulley (161) is fixedly connected on the output shaft of driving motor (16), close to main
Breaker roll (15) one end of movable belt pulley (161) is fixedly connected with driven pulley (152), driving pulley (161) and driven pulley
(152) it is arranged with belt (162), is arranged with driving pulley (22) in belt (162), driving pulley (22) is fixedly connected jointly on
Have cam (221), cam (221) and driving pulley (22) are concentric, elliptical ring (211) are arranged with outside cam (221), ellipse
It is fixedly connected with drive rod (21) outside annulus (211), cam (221) can drive elliptical ring (211) along the length side of short radius
To doing linear reciprocating motion；
It corresponds in bucket shell (1) and is slidably connected sieve (2) at breaker roll (15) top position, drive rod (21) is fixedly connected
In one end of sieve (2).
2. the broken scraper bowl of screening impurity according to claim 1, it is characterised in that: corresponding sieve (2) in bucket shell (1)
It is fixedly connected with connection frame (25) at top position, is rotatably connected to multiple stirring rods (251) in sieve (2) upper surface, stirs
Bar (251) can stretch, and each stirring rod (251) other end is rotationally connected on connection frame (25).
3. the broken scraper bowl of screening impurity according to claim 2, it is characterised in that: on every stirring rod (251)
It is fixedly connected there are two blade (2511), each blade (2511) is each perpendicular to stirring rod (251) setting, every stirring rod
(251) the angle setting at an acute angle between two blades (2511) on.
4. the broken scraper bowl of screening impurity according to claim 1, it is characterised in that: corresponding sieve (2) in bucket shell (1)
Far from offering sliding slot (14) at (21) one end position of drive rod, sieve (2) is slidably connected in sliding slot (14), and sieve (2) leans on
Nearly sliding slot (14) one end is fixedly connected with U-shaped bar (23), and the both ends of U-shaped bar (23) are fixedly connected on sieve (2), U-shaped bar
(23) it is formed between sieve (2) empty slot (231), is fixedly connected with baffle at corresponding empty slot (231) position of bucket shell (1)
(141), baffle (141) can stop U-shaped bar (23) to sieve (2) direction when sieve (2) are moved near cam (221)
It is mobile.
5. the broken scraper bowl of screening impurity according to claim 1, it is characterised in that: drive rod (21) is fixedly connected on sieve
The side of net (2) is fixedly connected with guide post (24) at corresponding sieve (2) another side position of bucket shell (1), and guide post (24) is along sieve
The setting of net (2) direction of motion, sieve (2) are slidably connected on guide post (24) far from drive rod (21) side.
6. the broken scraper bowl of screening impurity according to claim 1, it is characterised in that: in the corresponding breaker roll of bucket shell (1)
(15) multiple sparge pipes (3) are installed at position.
7. the broken scraper bowl of screening impurity according to claim 1, it is characterised in that: in sparge pipe (3) far from breaker roll
(15) one end is fixedly connected with water tank (31), is fixedly connected on water tank (31) water inlet pipe (311), and water inlet pipe (311) is stretched
Bucket shell (1) setting out.
8. the broken scraper bowl of screening impurity according to claim 1, it is characterised in that: in the corresponding sparge pipe of bucket shell (1)
(3) movable pulley (32) are slidably connected at position, offer strip groove at sparge pipe (3) corresponding movable pulley (32) position
(341), strip groove (341) is arranged along sparge pipe (3) length direction, and movable pulley (32) slides along strip groove (341) and can
Adjust the angle between sparge pipe (3) and bucket shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820998936.1U CN208526760U (en) | 2018-06-26 | 2018-06-26 | Sieve the broken scraper bowl of impurity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820998936.1U CN208526760U (en) | 2018-06-26 | 2018-06-26 | Sieve the broken scraper bowl of impurity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208526760U true CN208526760U (en) | 2019-02-22 |
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ID=65380830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820998936.1U Active CN208526760U (en) | 2018-06-26 | 2018-06-26 | Sieve the broken scraper bowl of impurity |
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| Country | Link |
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| CN (1) | CN208526760U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113235680A (en) * | 2021-05-31 | 2021-08-10 | 张桂莲 | Excavator screening hopper |
| CN114260306A (en) * | 2021-12-28 | 2022-04-01 | 王峰 | Contaminated soil remediation device and remediation method in land reclamation |
| CN115283421A (en) * | 2022-08-30 | 2022-11-04 | 山东福航新能源环保股份有限公司 | Aerobic fermentation equipment and process for organic waste |
-
2018
- 2018-06-26 CN CN201820998936.1U patent/CN208526760U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113235680A (en) * | 2021-05-31 | 2021-08-10 | 张桂莲 | Excavator screening hopper |
| CN114260306A (en) * | 2021-12-28 | 2022-04-01 | 王峰 | Contaminated soil remediation device and remediation method in land reclamation |
| CN114260306B (en) * | 2021-12-28 | 2022-11-18 | 王峰 | Contaminated soil remediation device and remediation method in land reclamation |
| CN115283421A (en) * | 2022-08-30 | 2022-11-04 | 山东福航新能源环保股份有限公司 | Aerobic fermentation equipment and process for organic waste |
| CN115283421B (en) * | 2022-08-30 | 2023-11-28 | 山东福航新能源环保股份有限公司 | Organic waste aerobic fermentation equipment and process |
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