CN217288783U - Aggregate screening system for preparing recycled aggregate pervious concrete - Google Patents
Aggregate screening system for preparing recycled aggregate pervious concrete Download PDFInfo
- Publication number
- CN217288783U CN217288783U CN202220892964.1U CN202220892964U CN217288783U CN 217288783 U CN217288783 U CN 217288783U CN 202220892964 U CN202220892964 U CN 202220892964U CN 217288783 U CN217288783 U CN 217288783U
- Authority
- CN
- China
- Prior art keywords
- rotary drum
- aggregate
- screening
- box
- pervious concrete
- 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.)
- Active
Links
- 238000012216 screening Methods 0.000 title claims abstract description 81
- 239000011380 pervious concrete Substances 0.000 title claims abstract description 16
- 239000002699 waste material Substances 0.000 claims abstract description 47
- 238000002360 preparation method Methods 0.000 claims abstract description 17
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 239000011148 porous material Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 11
- 238000004064 recycling Methods 0.000 claims description 7
- 239000008187 granular material Substances 0.000 abstract description 13
- 239000002245 particle Substances 0.000 abstract description 12
- 239000004567 concrete Substances 0.000 abstract description 9
- 239000002994 raw material Substances 0.000 abstract description 8
- 230000007480 spreading Effects 0.000 abstract description 2
- 238000003892 spreading Methods 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 description 19
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
Classifications
-
- 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
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model provides an aggregate screening system of recycled aggregate pervious concrete preparation, including the base, be equipped with the rotary drum of slope on the base, be equipped with a plurality of filtration pores on the rotary drum, the rotary drum is equipped with the annulus of slope outward, annulus parcel rotary drum, and annulus one side is equipped with the screening plant of slope, and screening plant includes the waste material box, is equipped with the filter on the waste material box, and rotary drum one end is equipped with the collection box, and the rotary drum other end is equipped with feed hopper, collection box and feed hopper intercommunication. The rotary drum rotates with the annulus, can carry out preliminary screening, and large granule aggregate enters into the collection box, smashes once more and sieves through screw conveyer and collector tube to accomplish the function that the circulation was sieved, the continuity is stronger, and screening efficiency is high, practices thrift concrete aggregate preparation time. The large-particle aggregate can be recycled, and waste of raw materials cannot be caused. The filter makes during less aggregate falls the waste material box, realizes the screening function of tiny particle aggregate, has great spreading value.
Description
Technical Field
The utility model belongs to the technical field of aggregate screening and specifically relates to an aggregate screening system that recycled aggregate concrete that permeates water was prepared is related to.
Background
Along with the development of the urbanization process of China, the discharge amount of construction waste is increased year by year, and the proportion of renewable components is also continuously improved. However, most of the construction waste is not treated at all and is transported to the suburbs or the periphery of cities for simple landfill or open-air stockpiling, which not only wastes land and resources, but also pollutes the environment; for a long time, as the sandstone aggregate is wide in source, easy to obtain and low in price, the sandstone aggregate is regarded as an inexhaustible raw material and is randomly mined, and the waste of resources is caused. The pervious concrete has strict requirements on the particle size of aggregates, the particle size is required to be 5-10mm, and large-particle aggregates beyond the particle size cannot be used. Concrete preparation among the prior art, the screening precision is relatively poor, can not smash and carry out simultaneously with the screening, and the continuity is relatively poor, leads to screening efficiency lower, can not be simultaneously to the surplus large granule aggregate reuse after the screening, can not carry out effective collection to unqualified fine aggregate. To this end we propose an aggregate screening system for recycled aggregate pervious concrete preparation to solve the above problems.
Chinese patent document CN214974360U describes a concrete aggregate crushing and screening device, package feeder hopper, breaker, drive arrangement, screening plant and vibrating device, the feeder hopper is fixed on strutting arrangement, drive arrangement and vibrating device set up in strutting arrangement one end outside, breaker sets up in the feeder hopper bottom, crushing roller including a pair of relative motion, drive arrangement is connected with the crushing roller axle, screening plant sets up in the crushing roller below, including the stock guide that the slant set up, be equipped with the sieve material hole on the stock guide, vibrating device is connected with the stock guide upside. The utility model discloses a concrete aggregate crushing and screening device can accomplish the preparation and the screening of aggregate in step, improves production efficiency, reduction in production cost. But the device screening precision is relatively poor, can not smash the limit screening, and the continuity is relatively poor, leads to screening efficiency lower, can not be simultaneously to remaining large granule aggregate reuse after the screening, can not effectively collect unqualified fine aggregate, uses and has the defect, needs the improvement.
SUMMERY OF THE UTILITY MODEL
The utility model provides an aggregate screening system of recycled aggregate concrete preparation that permeates water solves the screening precision relatively poor, can not smash the limit screening while, and the continuity is relatively poor, leads to screening efficiency lower, can not carry out the problem of effective collection to unqualified fine aggregate to remaining large granule aggregate reuse behind the screening simultaneously.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: aggregate screening system of recycled aggregate pervious concrete preparation, including the base, be equipped with the rotary drum of slope on the base, be equipped with a plurality of filtration pores on the rotary drum, the rotary drum is equipped with the annulus of slope outward, annulus parcel rotary drum, and annulus one side is equipped with the screening plant of slope, and screening plant includes the waste material box, is equipped with the filter on the waste material box, and rotary drum one end is equipped with the collection box, and the rotary drum other end is equipped with feed hopper, collection box and feed hopper intercommunication.
In the preferred scheme, the feeding funnel is positioned at the top of the base, the feeding funnel is communicated with a feeding hole of the rotary drum, the rotary drum inclines towards a discharging hole, and two ends of the rotary drum are respectively connected with the recovery box and the base in a rotating mode.
In the preferred scheme, a gear ring is arranged on the rotary drum, a gear is arranged on one side of the gear ring and meshed with the gear ring, and a second motor is arranged at one end of the gear and mounted on the base.
In the preferred scheme, a crushing device is arranged in the rotary drum, a first motor is arranged at one end of the crushing device, an output shaft of the first motor is connected with the crushing device, and the first motor is installed on the base.
In the preferred scheme, the inclination angles of the annular sleeve and the rotary drum are the same, the inclination angles of the waste box body and the annular sleeve are the same, and one end of the waste box body is attached to the annular sleeve.
In the preferred scheme, be equipped with the spout on the waste material box, be equipped with the spring between filter and the waste material box, the filter supports and leans on the spout, and waste material box one end is equipped with the arc terminal surface.
In the preferred scheme, a material receiving box is arranged on one side of the screening device, a conveying plate is arranged between the material receiving box and the screening device, and the conveying plate is abutted against the material receiving hole.
In the preferred scheme, collection box and pipeline intercommunication, pipeline and recovery tube intercommunication are equipped with screw conveyer in the pipeline, and the screw conveyer top is equipped with conveying motor.
In the preferred scheme, the recovery tube inclines towards the discharge port, the feed inlet of the recovery tube is communicated with the conveying pipeline, and the discharge port of the recovery tube is positioned above the feed hopper.
The utility model has the advantages that: the first motor of drive, can smash the raw materials in the rotary drum, drive the second motor simultaneously, so that the rotary drum rotates, so that the less aggregate in crushing back falls on the ring sleeve through filtering the hole, carry out the prefilter, remaining large granule aggregate that exceeds 10mm enters into the collection box, carry the charge-in funnel again through screw conveyer and recovery tube, smash and filter again at the rotary drum, so that overall structure can go on simultaneously with smashing and filtering, accomplish the function of circulation screening, the continuity is stronger, screening efficiency is high, accelerate overall efficiency, practice thrift concrete aggregate preparation time. Meanwhile, the residual large-particle aggregate after screening can be recycled, and the waste of raw materials can not be caused.
The rotary drum of slope can make inside aggregate from the other end of rotary drum one end self-sliding to rotary drum, and the screening is accomplished to the in-process of motion to make the aggregate of large granule enter into the collection box, make things convenient for recycle, drive second motor, so that the rotary drum rotates, so that the quick through-filter-hole screening of large granule aggregate is to the annular sleeve on.
On the aggregate through preliminary screening slides the screening plant from the ring barrel, the aggregate is behind the filter, during less unqualified aggregate falls the waste material box, realize the screening function of tiny particle aggregate, qualified aggregate slides to receiving the workbin through the transport plate, is equipped with a plurality of springs between filter and the waste material box, on the gliding aggregate falls the filter from the ring barrel, the filter slides from top to bottom under the effect of spring to avoid the filter to block up. Waste material box one end is equipped with the arc terminal surface, can make waste material box and annular sleeve laminating, avoids the aggregate landing to the screening plant outside, has great spreading value.
Drawings
The present invention will be further explained with reference to the drawings and examples;
FIG. 1 is an isometric view of the overall structure of the present invention;
FIG. 2 is a sectional view of the overall structure of the present invention;
figure 3 is a cross-sectional view of the screening device of the present invention;
figure 4 is an enlarged view of a in figure 2 of the present invention;
FIG. 5 is an isometric view of the waste bin of the present invention;
FIG. 6 is a front view of the drum of the present invention;
in the figure: a base 1; a rotating drum 2; a filter aperture 201; an annular sleeve 3; a screening device 4; a waste bin 401; an arcuate end face 402; a filter plate 403; a spring 404; a chute 405; a toothed ring 5; a gear 6; a transport plate 7; a material receiving box 8; a receiving hole 801; a recovery tank 9; a delivery duct 10; a conveying motor 11; a recovery pipe 12; a feed hopper 13; a support column 14; a first motor 15; a second electric machine 16; a crushing device 17; a screw conveyor 18.
Detailed Description
Example 1:
as shown in fig. 1-6, the aggregate screening system for preparing recycled aggregate pervious concrete comprises a base 1, a tilted rotary drum 2 is arranged on the base 1, a plurality of filter holes 201 are arranged on the rotary drum 2, a tilted annular sleeve 3 is arranged outside the rotary drum 2, the rotary drum 2 is wrapped by the annular sleeve 3, a tilted screening device 4 is arranged on one side of the annular sleeve 3, the screening device 4 comprises a waste tank 401, a filter plate 403 is arranged on the waste tank 401, a recycling bin 9 is arranged at one end of the rotary drum 2, a feeding funnel 13 is arranged at the other end of the rotary drum 2, and the recycling bin 9 is communicated with the feeding funnel 13. From this structure, drive first motor 15, can smash the raw materials in the rotary drum 2, drive second motor 16 simultaneously, so that rotary drum 2 rotates, so that the less aggregate in crushing back falls on the ring bush 3 through filtering hole 201, carry out preliminary filtration, remaining large granule aggregate that exceeds 10mm enters into collection box 9, carry the charging hopper 13 again in through screw conveyer 18 and recovery tube 12, smash and filter at rotary drum 2 once more, so that overall structure can go on crushing and filtering simultaneously, the function of accomplishing the circulation screening, the continuity is stronger, screening efficiency is high, accelerate overall efficiency, practice thrift concrete aggregate preparation time. Meanwhile, the residual large-particle aggregate after screening can be recycled, and the waste of raw materials can not be caused.
The inside aggregate can be made to the rotary drum 2 of slope from the other end of rotary drum 2 one end self-sliding to rotary drum 2, and the screening is accomplished to the in-process of motion to make the aggregate of large granule enter into collection box 9, make things convenient for recycle, drive second motor 16, so that rotary drum 2 rotates, so that the quick through-filter-hole 201 screening of large granule aggregate is to the annulus 3 on.
Aggregate through preliminary screening slides to screening plant 4 from annulus 3 on, the aggregate is through filter 403 back, during less unqualified aggregate falls waste tank 401, realize the screening function of tiny particle aggregate, qualified aggregate slides to receiving case 8 through transport plate 7, be equipped with a plurality of springs 404 between filter 403 and the waste tank 401, gliding aggregate falls on filter 403 from annulus 3, filter 403 slides from top to bottom under the effect of spring 404, in order to avoid filter 403 to block up. One end of the waste box body 401 is provided with an arc-shaped end face 402, so that the waste box body 401 and the annular sleeve 3 can be attached to each other, and aggregates are prevented from sliding to the outside of the screening device 4.
In a preferred scheme, the feeding funnel 13 is positioned at the top of the base 1, the feeding funnel 13 is communicated with a feeding hole of the rotary drum 2, the rotary drum 2 inclines towards a discharging hole, and two ends of the rotary drum 2 are respectively and rotatably connected with the recovery box 9 and the base 1. By this structure, the other end of rotary drum 2 can make inside aggregate follow 2 one end autoslide of rotary drum 2 to the rotary drum 2 of rotary drum 2, and the screening is accomplished to the in-process of motion to make during the aggregate of large granule enters into collection box 9, make things convenient for recycle, drive second motor 16, so that rotary drum 2 rotates, so that the quick filtration pore 201 that passes through of large granule aggregate sieves on the annulus 3.
In a preferred scheme, a gear ring 5 is arranged on the rotary drum 2, a gear 6 is arranged on one side of the gear ring 5, the gear 6 is meshed with the gear ring 5, a second motor 16 is arranged at one end of the gear 6, and the second motor 16 is installed on the base 1. From this structure, drive first motor 15, can smash the raw materials in the rotary drum 2, drive second motor 16 simultaneously, so that rotary drum 2 rotates, so that the less aggregate in crushing back falls on the ring bush 3 through filtering hole 201, carry out preliminary filtration, remaining large granule aggregate that exceeds 10mm enters into collection box 9, carry the charging hopper 13 again in through screw conveyer 18 and recovery tube 12, smash and filter at rotary drum 2 once more, so that overall structure can go on crushing and filtering simultaneously, the function of accomplishing the circulation screening, the continuity is stronger, screening efficiency is high, accelerate overall efficiency, practice thrift concrete aggregate preparation time. Meanwhile, the residual large-particle aggregate after screening can be recycled, and the waste of raw materials can not be caused.
In a preferred scheme, a crushing device 17 is arranged in the rotary drum 2, a first motor 15 is arranged at one end of the crushing device 17, an output shaft of the first motor 15 is connected with the crushing device 17, and the first motor 15 is installed on the base 1.
In a preferred scheme, the inclination angle of the annular sleeve 3 is the same as that of the rotary drum 2, the inclination angle of the waste box body 401 is the same as that of the annular sleeve 3, and one end of the waste box body 401 is attached to the annular sleeve 3. With this structure, the waste box 401 and the annular sleeve 3 can be attached to each other, and the aggregates are prevented from sliding outside the screening device 4.
In a preferred scheme, a sliding groove 405 is formed in the waste material box body 401, a spring 404 is arranged between the filter plate 403 and the waste material box body 401, the filter plate 403 abuts against the sliding groove 405, and an arc-shaped end face 402 is arranged at one end of the waste material box body 401. From this structure, aggregate through preliminary screening slides to screening plant 4 from annulus 3 on, the aggregate is after filter 403, during waste material box 401 is fallen to less unqualified aggregate, realize the screening function of tiny particle aggregate, qualified aggregate slides to the receipts workbin 8 through transport plate 7, be equipped with a plurality of springs 404 between filter 403 and the waste material box 401, on gliding aggregate falls to filter 403 from annulus 3, filter 403 slides from top to bottom under the effect of spring 404, in order to avoid filter 403 to block up. One end of the waste box body 401 is provided with an arc-shaped end face 402, so that the waste box body 401 and the annular sleeve 3 can be attached to each other, and aggregates are prevented from sliding to the outside of the screening device 4.
In the preferred scheme, a material receiving box 8 is arranged on one side of the screening device 4, a conveying plate 7 is arranged between the material receiving box 8 and the screening device 4, and the conveying plate 7 abuts against the material receiving hole 801. With this structure, the transport plate 7 can transport the qualified aggregate to the receiving box 8 for collection.
In a preferable scheme, the recovery tank 9 is communicated with a conveying pipeline 10, the conveying pipeline 10 is communicated with a recovery pipe 12, a spiral conveyor 18 is arranged in the conveying pipeline 10, and a conveying motor 11 is arranged at the top of the spiral conveyor 18. With this configuration, large granular aggregates exceeding 10mm enter the recovery tank 9, are re-conveyed into the feed hopper 13 by the screw conveyor 18 and the recovery pipe 12, and are crushed and filtered again in the rotary drum 2.
In a preferred scheme, the recovery pipe 12 inclines towards the discharge port, the feed port of the recovery pipe 12 is communicated with the conveying pipeline 10, and the discharge port of the recovery pipe 12 is positioned above the feed hopper 13. With the structure, the aggregates conveyed by the screw conveyor 18 can be automatically and conveniently slid into the feeding funnel 13 when being fed to the feeding hole of the recovery pipe 12.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (9)
1. Aggregate screening system of recycled aggregate pervious concrete preparation, characterized by: including base (1), be equipped with rotary drum (2) of slope on base (1), be equipped with a plurality of filtration pores (201) on rotary drum (2), rotary drum (2) are equipped with the annulus (3) of slope outward, annulus (3) parcel rotary drum (2), annulus (3) one side is equipped with screening plant (4) of slope, screening plant (4) are including waste material box (401), be equipped with filter (403) on waste material box (401), rotary drum (2) one end is equipped with collection box (9), rotary drum (2) other end is equipped with feed hopper (13), collection box (9) and feed hopper (13) intercommunication.
2. The aggregate screening system for recycled aggregate pervious concrete preparation according to claim 1, characterized in that: feed hopper (13) are located base (1) top, and feed hopper (13) communicate with the feed inlet of rotary drum (2), and rotary drum (2) are towards the discharge gate slope, and rotary drum (2) both ends rotate with collection box (9) and base (1) respectively and are connected.
3. The aggregate screening system for recycled aggregate pervious concrete preparation according to claim 1, characterized in that: be equipped with ring gear (5) on rotary drum (2), ring gear (5) one side is equipped with gear (6), and gear (6) and ring gear (5) meshing, the one end of gear (6) is equipped with second motor (16), and second motor (16) are installed on base (1).
4. The aggregate screening system for recycled aggregate pervious concrete preparation according to claim 1, characterized in that: the inside reducing mechanism (17) that is equipped with of rotary drum (2), reducing mechanism (17) one end is equipped with first motor (15), and the output shaft and the reducing mechanism (17) of first motor (15) are connected, and first motor (15) are installed on base (1).
5. The aggregate screening system for recycled aggregate pervious concrete preparation according to claim 1, characterized in that: the inclination angles of the annular sleeve (3) and the rotary drum (2) are the same, the inclination angles of the waste box body (401) and the annular sleeve (3) are the same, and one end of the waste box body (401) is attached to the annular sleeve (3).
6. The aggregate screening system for recycled aggregate pervious concrete preparation according to claim 1, characterized in that: be equipped with spout (405) on the waste material box (401), be equipped with spring (404) between filter (403) and waste material box (401), filter (403) support and lean on spout (405), and waste material box (401) one end is equipped with arc terminal surface (402).
7. The aggregate screening system for recycled aggregate pervious concrete preparation according to claim 1, characterized in that: a material receiving box (8) is arranged on one side of the screening device (4), a conveying plate (7) is arranged between the material receiving box (8) and the screening device (4), and the conveying plate (7) is abutted against the material receiving hole (801).
8. The aggregate screening system prepared from recycled aggregate pervious concrete as claimed in claim 1, wherein: the recycling box (9) is communicated with the conveying pipeline (10), the conveying pipeline (10) is communicated with the recycling pipe (12), the conveying pipeline (10) is internally provided with a spiral conveyor (18), and the top of the spiral conveyor (18) is provided with a conveying motor (11).
9. The aggregate screening system prepared from recycled aggregate pervious concrete as claimed in claim 8, wherein: the recycling pipe (12) inclines towards the discharge hole, the feed inlet of the recycling pipe (12) is communicated with the conveying pipeline (10), and the discharge hole of the recycling pipe (12) is positioned above the feed hopper (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220892964.1U CN217288783U (en) | 2022-04-18 | 2022-04-18 | Aggregate screening system for preparing recycled aggregate pervious concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220892964.1U CN217288783U (en) | 2022-04-18 | 2022-04-18 | Aggregate screening system for preparing recycled aggregate pervious concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217288783U true CN217288783U (en) | 2022-08-26 |
Family
ID=82915546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220892964.1U Active CN217288783U (en) | 2022-04-18 | 2022-04-18 | Aggregate screening system for preparing recycled aggregate pervious concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217288783U (en) |
-
2022
- 2022-04-18 CN CN202220892964.1U patent/CN217288783U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203541064U (en) | Complete construction waste treatment equipment | |
| CN111871521A (en) | Crushing apparatus for recycling building rubbish with automatic screening function | |
| CN211838110U (en) | Crushing and screening device for road and bridge construction | |
| CN109127670A (en) | A kind of separation system and its method for separating using cement kiln synergic processing domestic waste | |
| CN218423065U (en) | Evaporate and press grinder for aerated concrete block production | |
| CN103586260A (en) | Classification auger for impurity removal and classification of construction wastes and complete construction waste processing equipment | |
| CN111841766A (en) | System is selected separately to stale refuse treatment back different particle size building stones | |
| CN116889914A (en) | Solid-powder separation-based garbage recycling device for building construction | |
| CN113600601A (en) | Construction waste sorting and treating system | |
| CN102836828B (en) | Mould cloth garbage sorting system | |
| CN114870980A (en) | Construction waste classifying, crushing, screening, sorting and recycling equipment | |
| CN114870940A (en) | Pulverized coal processing is with grinding screening plant | |
| CN217288783U (en) | Aggregate screening system for preparing recycled aggregate pervious concrete | |
| CN209020723U (en) | A kind of building waste screening machine | |
| CN207899732U (en) | A kind of high efficiency roller sand sieving machine | |
| CN216499932U (en) | Construction waste treatment production line | |
| CN212040678U (en) | Rock wool recycling device | |
| CN210097809U (en) | Commercial site transformation waste treatment coupling resource recycling device | |
| CN210411444U (en) | A screening shaking table for recycled concrete production | |
| CN112170186A (en) | Screening system of cement production based on environmental protection | |
| CN112453032A (en) | Core material waste recovery device and production process thereof | |
| CN221268501U (en) | Discharging device for mineral powder production | |
| CN221062880U (en) | Multifunctional pulverizer | |
| CN104511356B (en) | A kind of sandstone chopping sorting unit | |
| CN220310549U (en) | Construction waste crushing and conveying device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: The aggregate screening system for the preparation of permeable concrete with recycled aggregates Effective date of registration: 20231124 Granted publication date: 20220826 Pledgee: Wujia sub branch of Hubei Three Gorges Rural Commercial Bank Co.,Ltd. Pledgor: YICHANG XINDAXING CONCRETE Co.,Ltd. Registration number: Y2023980067363 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |