CN208261198U - A kind of integrated multistage screening plant for contaminated soil remediation - Google Patents
A kind of integrated multistage screening plant for contaminated soil remediation Download PDFInfo
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- CN208261198U CN208261198U CN201820420736.8U CN201820420736U CN208261198U CN 208261198 U CN208261198 U CN 208261198U CN 201820420736 U CN201820420736 U CN 201820420736U CN 208261198 U CN208261198 U CN 208261198U
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- layer screen
- screen drum
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- screening plant
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Abstract
The utility model discloses a kind of integrated multistage screening plant for contaminated soil remediation, main body includes rack, rotary screen and driving motor；The rotary screen is obliquely installed on the rack, and rotary screen includes internal layer screen drum and outer layer screen drum；It is equipped with central rotating shaft at the axle center of the internal layer screen drum, is vertically equipped with several support rods for fixed outer layer screen drum and internal layer screen drum on central rotating shaft；One end of the central rotating shaft is fixed on the rack by axle center fixing piece, and the other end is connect with driving motor；Inner layer screen shaft screen face, outer layer screen drum lower end and upper end are respectively equipped with the different sieve pore in aperture, which may be implemented soil particle multi-stage screening, and screening efficiency is high, and occupied area is small, and low energy consumption, and Operation and Maintenance is simple, is easy to be engineered application.
Description
Technical field
The utility model relates to a kind of screening plants, and in particular to one kind is for soil particle during contaminated soil remediation
The integrated multistage screening plant of grain size grading, belongs to soil remediation equipment field.
Background technique
According to " the national Soil Pollution Investigation bulletin " of publication in 2014, Chinese soil environmental aspect is not allowed totally to find pleasure in
It sees, national soil pollution exceeding standard rate is up to 16.1%.In face of the severe situation of soil pollution, national legislation speed is obviously accelerated, ring
Other than increasing the content of soil remediation in new " Law on Environmental Protection ", " farming land standard of soil environment quality " " is built in guarantor portion
If land used soil pollution risk screen standard " and " soil environment quality assessment technical specification " disclose for the third time consult on
Original text discloses " Soil Pollution Control action plan " (referred to as " ten, soil ") on May 28th, 2017 again.Soil large-scale pollution is super
Mark adds the promotion of national legislation, in the industry the estimated soil remediation market that will expedite the emergence of tera-scale.
Contaminated soil remediation has in-situ treatment, the processing of original place dystopy and strange land to handle three kinds of reparation modes, at the dystopy of original place
Reason and strange land processing are required to excavate contaminated soil and be handled, and are required before being repaired to the soil excavated
Earth carries out the pretreatment such as crushing and screening, is able to achieve separating for different-grain diameter soil particle by sieving, and a large number of studies show that, it is dirty
Dye soil particle is thinner, and pollutant concentration is higher, is more difficult to administer, and most of pollutant is all attached on fine grained, passes through screening
The soil particle of different-grain diameter is separated, takes different restorative procedures for the soil of different-grain diameter, weight dirt can be greatly reduced
Soil treatment amount is contaminated, rehabilitation cost is reduced.In the prior art, structure is complicated for existing screening plant, and generally require by
Repeatedly to obtain the soil of different-grain diameter, screening efficiency is low for screening, and energy consumption is high.Chinese patent (CN206519438U) discloses one
Device of the kind for soil remediation screening, including cabinet, the cabinet run through structure, the upper part inner inclination of cabinet above and below
It is provided with the first sieving plate, lower part inner inclination is provided with the second sieving plate, and offers out respectively on box bilateral wall
Expect channel, although which is able to achieve soil multi-stage screening, but device structure design is complicated, and screening efficiency is low.
Utility model content
In view of the problems of the existing technology, the purpose of the utility model is to provide one kind, that soil particle may be implemented is more
Grade screening, and screening efficiency is high, occupied area is small, and low energy consumption, and Operation and Maintenance is simple, is easy to be engineered the integrated soil of application
Repair multistage screening plant.
In order to achieve the above technical purposes, the utility model provides a kind of integrated multistage for contaminated soil remediation
Screening plant, main body include rack, rotary screen and driving motor；The rotary screen is obliquely installed on the rack；The roller
Sifter device has double deck screen barrel structure, including outer layer screen drum and internal layer screen drum；Central rotating shaft is equipped at the axle center of the internal layer screen drum, in
Several support rods for being used for fixed outer layer screen drum and internal layer screen drum are vertically equipped in heart shaft；One end of the central rotating shaft is logical
It crosses axle center fixing piece to be fixed on the rack, the other end is connect with driving motor；It is equal that inner layer screen shaft screen face is equipped with aperture
The compass screen surface of even sieve pore, the outer layer screen drum lower end and upper end sieve pore different equipped with aperture, and inner layer screen shaft screen face sieve pore
The aperture of the aperture > outer layer screen drum upper end compass screen surface sieve pore of aperture > outer layer screen drum lower end compass screen surface sieve pore.
Preferred scheme, the tilt angle of the relative level of the rotary screen are 5 °~8 ° rotary screen relative level masks
There is certain inclination angle, in rotary screen rolling process, soil particle material is made to generate one tangentially along inclined-plane under the effect of gravity
Power, particulate matter are moved along inclined-plane.
Preferred scheme, the lower end end of the rotary screen are equipped with discharge port, and upper end end is equipped with feeding inlet；The discharging
In the rack for the lower end outside that mouth is fixed on rotary screen.The feeding inlet is fixed in the rack on the outside of the upper end of rotary screen, is entered
Material mouth is between rotary screen and driving motor.
More preferably scheme, the charging port of the feeding inlet protrude into inside internal layer screen drum, can avoid soil particle material
It is directly entered outer layer screen drum and leaks sieve.
The bottom of preferred scheme, the rotary screen lower end and upper end is respectively equipped with collection material mouth I sum aggregate material mouth II, the collection
Material mouth I sum aggregate material mouth II is each attached in the rack of rotary screen bottom.Collection material mouth I sum aggregate material mouth II is respectively used to collect different grains
The soil particle of diameter size.
Preferred scheme, the driving motor are fixed in the rack on the outside of rotary screen upper end.
Preferred scheme, 3~5 groups of support rods are arranged on the central rotating shaft, and every group of support rod quantity is 3.More preferably
Scheme, each group support rod is equally spaced along central rotating shaft；On the same cross section of every group of centrally disposed shaft of support rod, and
Angle is 120 ° between adjacent supports bar, and the length of each support rod is identical as the radius of outer layer screen drum.Support rod is mainly used for
Concentric structure is presented in the section of resting barrel sieve, the outer layer screen drum and internal layer screen drum that make rotary screen.The radius of support rod and outer
The radius of layer screen drum is identical, and support rod passes through internal layer screen drum, contacts with outer layer inboard wall of riddle drum.Support rod and internal layer screen drum and outer layer
The contact surface of screen drum is fixed by welding or screw.
Preferred scheme, the aperture of inner layer screen shaft screen face sieve pore are 10mm；The aperture of outer layer screen drum upper end compass screen surface sieve pore is
1mm, the aperture of outer layer screen drum lower end compass screen surface sieve pore are 5mm.The grade of soil particle can be divided into three grades, be separated
Processing.Coming out from discharge port is soil particle material of the partial size greater than 5mm, and the soil particle partial size collected from collection material mouth I is small
In 5mm, collects the soil particle partial size that material mouth II is collected and be less than 1mm.
Integrated multistage screening plant provided by the utility model, rack are welded using carbon steel, and the sieve uses
Stainless steel steel wire is made.
Compared with the prior art, the utility model has the beneficial effects that
1) multi-stage screening may be implemented in integrated multistage screening plant provided by the utility model, can be easily by contaminated soil
It realizes grain size grading, avoids secondary sorting, greatly improve screening efficiency；
2) integrated multistage screening plant provided by the utility model has structure design simple, and occupied area is small, energy consumption
Lower advantage；
3) integrated multistage screening plant provided by the utility model is easy to use, is particularly suitable at the showering of soil
Reason, operation and maintenance is simple, is easy to be engineered application.
Detailed description of the invention
[Fig. 1] is the structural schematic diagram of screening plant provided by the utility model；
[Fig. 2] is the section view for the screening plant that Fig. 1 is provided；
Wherein, 1 is rack, and 2 be rotary screen, and 20 be center shaft, and 21 be internal layer screen drum, and 22 be outer layer screen drum, 23 be into
Material mouth, 24 be discharge port, and 25 be collection material mouth II, and 26 be collection material mouth I, and 27 be support rod, and 28 be outer layer screen drum lower end, and 29 be outer layer
Screen drum upper end, 3 be axle center fixing piece, and 4 be driving motor.
Specific embodiment
In order to illustrate more clearly of the technical solution of the utility model, with reference to the accompanying drawing to the utility model relates to dress
Set further description, it is clear that described embodiment is only some embodiments of the utility model, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The all other embodiment obtained, belongs to the protection scope of the utility model.
Integrated multistage screening plant structure such as Fig. 1 provided by the utility model for contaminated soil grain size grading and
Shown in Fig. 2.Integrated multistage screening plant main structure includes rack 1, the rotary screen 2 being arranged on the rack.Rotary screen is along water
Plane is obliquely installed, and tilt angle is 6 °.Rotary screen has double-layer structure, including internal layer screen drum 21 and outer layer screen drum 22, roller
The section of sieve is concentric structure.Two groups of different sieves of screen-aperture are distributed on the outer layer screen drum, upper end sieve 29 sieves
Hole aperture is smaller, and sieve 28 screen-aperture in lower end is greater than upper end mesh size, but is less than inner layer screen cylinder screen-aperture (general internal layer
The aperture of screen drum compass screen surface sieve pore is 10mm, and the aperture of outer layer screen drum upper end compass screen surface sieve pore is 1mm, outer layer screen drum lower end compass screen surface sieve
The aperture in hole is 5mm).It is equipped with central rotating shaft 20 at the axle center of internal layer screen drum, several are vertically equipped on central rotating shaft for solid
Determine the support rod 27 of outer layer screen drum and internal layer screen drum；Support rod is arranged 5 groups in total, and every group of support rod quantity is 3, each group branch
Strut is equally spaced along central rotating shaft；On the same cross section of every group of centrally disposed shaft of support rod, and adjacent supports bar it
Between angle be 120 °, the length of each support rod is identical as the radius of outer layer screen drum, support rod pass through internal layer screen drum, with outer layer screen drum
Inner wall contact, support rod is with the contact surface of internal layer screen drum and outer layer screen drum by being welded and fixed.The lower end end of central rotating shaft is logical
It crosses axle center fixing piece 3 to be fixed on the rack, central rotating shaft is mainly flexibly connected by axle center fixing piece, and central rotating shaft can edge
Axis rotation, central rotating shaft other end end are connect with driving motor 4, are driven central rotating shaft by driving motor, are driven rotary screen
Rotation.Driving motor is fixed in the rack on the outside of rotary screen upper end.The lower end end of the rotary screen is equipped with discharge port 24, on
End is held to be equipped with feeding inlet 23；The feeding inlet is fixed in the rack on the outside of the upper end of rotary screen, between rotary screen and driving
Between motor, the feed end of feeding inlet gos deep into inside internal layer screen drum, and the discharge port is fixed on the machine of the lower end outside of rotary screen
On frame, the bottom of the rotary screen lower end and upper end is respectively equipped with collection material mouth I sum aggregate material mouth II, the collection material mouth I sum aggregate material mouth
II is fixed in the rack on the downside of rotary screen.Discharge port, collection material mouth I sum aggregate material mouth II are respectively used to collect different-grain diameter size
Soil particle.
It is in carrying out contaminated soil screening process, contaminated soil is dry, broken, enter internal layer screen drum from feed inlet,
Internal layer screen drum carries out preliminary screening, and oversize is by under gravity and rotation tangential force collective effect, into discharge port, screenings into
Enter outer layer screen drum, outer layer screen drum oversize, which passes through, enters discharge port under gravity and rotation tangential force collective effect, on outer layer screen drum
End sieve screenings enters collection material mouth II, and outer layer screen drum lower end sieve screenings enters collection material mouth I, to obtain carse, medium and small three
The soil particle of kind different-grain diameter.
Claims (9)
1. a kind of integrated multistage screening plant for contaminated soil remediation, it is characterised in that: main body includes rack (1), rolling
Shaft screen (2) and driving motor (4)；The rotary screen is obliquely installed on the rack；
The rotary screen has double deck screen barrel structure, including internal layer screen drum (21) and outer layer screen drum (22)；The internal layer screen drum
Central rotating shaft (20) are equipped at axle center, several supports for fixed outer layer screen drum and internal layer screen drum are vertically equipped on central rotating shaft
Bar (27)；One end of the central rotating shaft is fixed on the rack by axle center fixing piece (3), the other end and driving motor
(4) it connects；
The compass screen surface of sieve pore of the inner layer screen shaft screen face equipped with uniform pore diameter, outer layer screen drum lower end and upper end is equipped with aperture not
Same sieve pore, and the aperture outer layer screen drum upper end the > sieve of the aperture > outer layer screen drum lower end compass screen surface sieve pore of inner layer screen shaft screen face sieve pore
The aperture of face sieve pore.
2. a kind of integrated multistage screening plant for contaminated soil remediation according to claim 1, it is characterised in that:
The tilt angle of the relative level of the rotary screen is 5 °~8 °.
3. a kind of integrated multistage screening plant for contaminated soil remediation according to claim 1, it is characterised in that:
The lower end end of the rotary screen is equipped with discharge port (24), and upper end end is equipped with feeding inlet (23)；The discharge port (24) is fixed
In the rack of the lower end outside of rotary screen；The feeding inlet (23) is fixed in the rack on the outside of the upper end of rotary screen.
4. a kind of integrated multistage screening plant for contaminated soil remediation according to claim 3, it is characterised in that:
The charging port of the feeding inlet protrudes into inside internal layer screen drum.
5. a kind of integrated multistage screening plant for contaminated soil remediation according to claim 1, it is characterised in that:
The bottom of the rotary screen lower end and upper end is respectively equipped with collection material mouth I sum aggregate material mouth II, and collection material mouth I sum aggregate material mouth II is each attached to
In the rack of rotary screen bottom.
6. a kind of integrated multistage screening plant for contaminated soil remediation according to claim 1, it is characterised in that:
The driving motor is fixed in the rack on the outside of rotary screen upper end.
7. a kind of integrated multistage screening plant for contaminated soil remediation according to claim 1, it is characterised in that:
3~5 groups of support rods are set on the central rotating shaft, and every group of support rod quantity is 3.
8. a kind of integrated multistage screening plant for contaminated soil remediation according to claim 6, it is characterised in that:
Each group support rod is equally spaced along central rotating shaft；On the same cross section of every group of centrally disposed shaft of support rod, and adjacent branch
Angle is 120 ° between strut, and the length of each support rod is identical as the radius of outer layer screen drum.
9. a kind of integrated multistage screening plant for contaminated soil remediation according to claim 1, it is characterised in that:
The aperture of inner layer screen shaft screen face sieve pore is 10mm；The aperture of outer layer screen drum upper end (29) compass screen surface sieve pore is 1mm, outer layer screen drum lower end
(28) aperture of compass screen surface sieve pore is 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820420736.8U CN208261198U (en) | 2018-03-27 | 2018-03-27 | A kind of integrated multistage screening plant for contaminated soil remediation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820420736.8U CN208261198U (en) | 2018-03-27 | 2018-03-27 | A kind of integrated multistage screening plant for contaminated soil remediation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208261198U true CN208261198U (en) | 2018-12-21 |
Family
ID=64674151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820420736.8U Expired - Fee Related CN208261198U (en) | 2018-03-27 | 2018-03-27 | A kind of integrated multistage screening plant for contaminated soil remediation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208261198U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102463A (en) * | 2019-05-30 | 2019-08-09 | 徐州巨旋重型机械有限公司 | Flexible rotary screen, roller pelletizer and its screening and the method for handling viscous material |
| CN110201993A (en) * | 2019-06-05 | 2019-09-06 | 崔启军 | A kind of self-propelled garden soil continuous repair device |
| CN115069757A (en) * | 2022-06-13 | 2022-09-20 | 中国矿业大学(北京) | Drum mud-making and screening integrated machine |
-
2018
- 2018-03-27 CN CN201820420736.8U patent/CN208261198U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102463A (en) * | 2019-05-30 | 2019-08-09 | 徐州巨旋重型机械有限公司 | Flexible rotary screen, roller pelletizer and its screening and the method for handling viscous material |
| CN110201993A (en) * | 2019-06-05 | 2019-09-06 | 崔启军 | A kind of self-propelled garden soil continuous repair device |
| CN115069757A (en) * | 2022-06-13 | 2022-09-20 | 中国矿业大学(北京) | Drum mud-making and screening integrated machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181221 |