CN220610520U - Building rubbish recycling and screening device - Google Patents
Building rubbish recycling and screening device Download PDFInfo
- Publication number
- CN220610520U CN220610520U CN202321547221.1U CN202321547221U CN220610520U CN 220610520 U CN220610520 U CN 220610520U CN 202321547221 U CN202321547221 U CN 202321547221U CN 220610520 U CN220610520 U CN 220610520U
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- CN
- China
- Prior art keywords
- dust
- row
- filter
- construction waste
- discharge
- 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.)
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- 238000012216 screening Methods 0.000 title claims abstract description 26
- 238000004064 recycling Methods 0.000 title claims abstract description 15
- 239000000428 dust Substances 0.000 claims abstract description 78
- 238000010276 construction Methods 0.000 claims abstract description 21
- 239000002699 waste material Substances 0.000 claims abstract description 21
- 238000001914 filtration Methods 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 239000011148 porous material Substances 0.000 claims abstract description 8
- 239000011324 bead Substances 0.000 claims abstract description 6
- 238000010521 absorption reaction Methods 0.000 claims abstract description 3
- 238000009825 accumulation Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 22
- 230000000694 effects Effects 0.000 abstract description 6
- 239000012634 fragment Substances 0.000 description 15
- 239000004567 concrete Substances 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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
- Y02W30/58—Construction or demolition [C&D] waste
Landscapes
- Working Measures On Existing Buildindgs (AREA)
Abstract
The utility model discloses a construction waste recycling and screening device, and belongs to the technical field of screening equipment; the utility model provides a construction waste retrieves screening plant, includes the crushing case, the left end intercommunication of crushing case has the feeder hopper, the right-hand member intercommunication of crushing case has first row of material grooves, first filtration pore has been seted up to the bottom of first row of material grooves, the inboard top of crushing case is provided with the clamp plate, the below of clamp plate is provided with the filter, the second filtration pore has been seted up on the filter, the bottom of filter is provided with the second row of material grooves, the left end intercommunication of second row of material grooves has dust absorption mechanism, the direction of extension of second row of material grooves is the same with first row of material grooves, be provided with dust collection hopper between second row of material grooves and the first row of material grooves, the exit end of second row of material grooves is provided with the deep bead, be provided with the bin outlet between the bottom of deep bead and the second row material groove; the utility model has the advantages of reducing dust flying and improving the dust removing effect.
Description
Technical Field
The utility model relates to the technical field of screening equipment, in particular to a construction waste recycling and screening device.
Background
Concrete with reinforced bars is an important classification of construction waste, the reinforced bars are used for steel recovery, and concrete blocks are reprocessed after being crushed to be used as construction materials, so that the recovery value is high, and the screening devices for recovering the construction waste in the prior art are more and have various functions.
In the Chinese patent document with the authority of CN217140504U, a screening device for recycling construction waste is provided, and after the construction waste is extruded and crushed by the cooperation of a pressing plate and a filtering plate, reinforced steel bars and concrete are respectively rolled and discharged from a first discharge groove and a second discharge groove, so that continuous screening operation is realized, and the screening efficiency is improved. Meanwhile, the dust removing box is arranged at the lower end of the screening box, so that dust generated in the screening process is sucked into the dust removing box, the influence of dust suction by workers on the health is avoided, and the environmental protection performance of the equipment is greatly improved. The scheme has the following defects: 1. when the concrete fragments and dust discharged from the first discharge groove fall into the second discharge groove, the dust can still be stimulated to fly; 2. the upper end and the side end of the lower part of the second discharge groove are both openings, air entering the dust removing box mainly comes from the openings, and the air entering the dust removing box through the filter plate is less, so that the dust collecting effect above the filter plate is affected.
Disclosure of Invention
The utility model aims to solve the problem that the dust collection effect of a building rubbish screening device in the prior art is common in the use process, and provides the building rubbish recycling screening device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a screening plant is retrieved to construction waste, includes the crushing case, the left end intercommunication of crushing case has the feeder hopper, crushing case right-hand member intercommunication has first row of material groove, first filtration pore has been seted up to the bottom of first row of material groove, the inboard top of crushing case is provided with the clamp plate, the below of clamp plate is provided with the filter, the second filtration pore has been seted up on the filter, the bottom of filter is provided with the second row of material groove, the left end intercommunication of second row of material groove has dust absorption mechanism, the direction of extension of second row of material groove is the same with first row of material groove, be provided with dust collection hopper between second row of material groove and the first row of material groove, the exit end of second row of material groove is provided with the deep bead, be provided with the bin outlet between the bottom of deep bead and the second row material groove.
Further, the length of the second discharge groove is smaller than that of the first discharge groove, so that the outlet end of the second discharge groove is positioned right below the first discharge groove.
Further, the dust collecting hopper is of a hopper-shaped structure with a large upper part and a small lower part.
Further, the height value of the discharge hole is equal to the aperture value of the second filter hole.
Further, the diameter of the first filter hole is not larger than the height value of the discharge hole.
Further, the dust collection mechanism comprises a dust collection box, a blower is arranged at the top of the dust collection box, a dust filtering net is arranged at the upper part of the inner side of the blower, and the lower part of the dust filtering net is communicated with the second discharge groove through a dust collection pipe.
Further, one end of the dust collection pipe, which is close to the second discharge groove, is of a horn-shaped structure with a small left side and a big right side, and the width value of the horn-shaped structure is equal to that of the second discharge groove.
Compared with the prior art, the utility model provides a construction waste recycling and screening device, which has the following beneficial effects:
when the construction waste recycling and screening device is used, reinforced concrete construction waste is put into a feed hopper, the construction waste is crushed under the action of the pressing plate, large fragments, reinforced bars and part of small fragments in crushed particles are discharged from the first discharge groove, the other part of small fragments fall into the second discharge groove from the second filter hole to be discharged, external air mainly enters the dust collection mechanism from the first filter hole, the second filter hole and the discharge hole to drive dust in the first discharge groove and the crushing box to enter the dust collection mechanism, and compared with the prior art, the dust collection mechanism is communicated with the first discharge groove and the second discharge groove through the dust collecting hopper, so that dust in the first discharge groove is reduced, meanwhile, the air inlet quantity of the outlet end of the second discharge groove is reduced through the wind shield, and the external air mainly enters the dust collection mechanism from the first filter hole and the second filter hole, so that dust flying is reduced, and the dust collection effect is improved.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows; and will be apparent to those skilled in the art in part based upon a review of the following; alternatively, the teachings may be directed to practice of the present utility model.
Drawings
FIG. 1 is a schematic cross-sectional view of the overall structure of the present utility model.
In the figure:
1. a feed hopper; 2. a crushing box; 3. a pressing plate; 4. a first filter hole; 5. a first discharge chute; 6. a wind deflector; 7. a discharge port; 8. a filter plate; 9. a second filter hole; 10. a blower; 11. a dust removal box; 12. a second discharge chute; 13. a dust collection pipe; 14. dust collecting hopper.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1, the utility model relates to a construction waste recycling and screening device, which comprises a crushing box 2, wherein the left end of the crushing box 2 is communicated with a feed hopper 1, the right end of the crushing box 2 is communicated with a first discharge groove 5, the bottom of the first discharge groove 5 is provided with a first filtering hole 4 for filtering small concrete blocks, and air is introduced into a dust collection mechanism for dust removal;
the top of the inner side of the crushing box 2 is provided with a pressing plate 3, the top of the pressing plate 3 is connected with a working section of a hydraulic cylinder, a concrete block is crushed by driving of the hydraulic cylinder, a filter plate 8 is arranged below the pressing plate 3, the filter plate 8 is an inclined thick steel plate, a second filter hole 9 is processed on the filter plate 8, and the second filter hole 9 is used for falling into a small concrete block in a second discharge groove and air and dust entering into a dust collection mechanism;
the bottom of the filter plate 8 is provided with a second discharge groove 12, the left end of the second discharge groove 12 is communicated with a dust collection mechanism, the extending direction of the second discharge groove 12 is the same as that of the first discharge groove 5, so that the size and the length of a dust collecting hopper 14 are reduced, the ventilation effect is guaranteed, a dust collecting hopper 14 is arranged between the second discharge groove 12 and the first discharge groove 5, small fragments and dust falling from a first filter hole 4 enter the second discharge groove 12 from the dust collecting hopper 14, the outlet end of the second discharge groove 12 is provided with a wind screen 6, a discharge opening 7 is arranged between the bottom of the wind screen 6 and the second discharge groove 12, the small fragments entering the second discharge groove 12 are discharged from the discharge opening 7, and the dust entering the second discharge groove 12 is sucked through the dust collection mechanism to achieve the dust collection effect;
the present application is an improvement over the prior art, and does not mention in part the use of prior art solutions;
the length of the second discharge groove 12 is smaller than that of the first discharge groove 5, so that steel bars falling from the outlet end of the first discharge groove 5 are prevented from falling on the second discharge groove 12, the outlet end of the second discharge groove 12 is positioned right below the first discharge groove 5, and small fragments in the first discharge groove 5 can conveniently fall into the second discharge groove 12;
the dust collecting hopper 14 is of a hopper-shaped structure with a large top and a small bottom, the upper end of the dust collecting hopper 14 of the hopper-shaped structure is greatly convenient for increasing the air inlet quantity according to the Bernoulli principle, when air flows to the bottom of the dust collecting hopper 14, the air flow cross-sectional area is reduced, the air flow speed is accelerated, a low-pressure area relative to the top of the dust collecting hopper 14 is conveniently formed at the bottom of the dust collecting hopper 14, and the air is facilitated to enter the second discharge groove 12 from the first filter hole 4, so that dust on the first discharge groove 5 is sucked into the second discharge groove 12 by virtue of the air flow, and then enters the dust collection mechanism;
the height value of the discharge hole 7 is equal to the aperture value of the second filter hole 9, so that the discharge hole 7 can smoothly discharge small fragments leaked from the second filter hole 9, and meanwhile, the size of the discharge hole is reduced as much as possible, and the air inlet quantity from the discharge hole 7 is reduced;
the diameter of the first filtering holes 4 is not larger than the height value of the discharge hole 7, so that small fragments entering the second discharge groove 12 from the first filtering holes 4 can be smoothly discharged from the discharge hole 7;
the dust collection mechanism comprises a dust collection box 11, wherein a blower 10 is arranged at the top of the dust collection box 11, a dust filtering net is arranged at the upper part of the inner side of the blower 10, and the lower part of the dust filtering net is communicated with a second discharge groove 12 through a dust collection pipe 13;
the dust collection pipe 13 is a horn-shaped structure (not shown in the figure) with a small left and a big right, wherein the end, close to the second discharge groove 12, of the horn-shaped structure is equal to the width of the second discharge groove 12, so that air can conveniently enter the dust collection pipe 13 from the whole transverse width (front-back direction in fig. 1) of the second discharge groove 12, the air inlet quantity is ensured, and the dead angle encountered in the dust collection pipe 13 by the air in the second discharge groove 12 is reduced.
Working principle: when the device is used, concrete construction waste with reinforcing steel bars is put into a feed hopper 1, the construction waste is crushed under the pressure of a pressing plate 3, large fragments, reinforcing steel bars and part of small fragments in crushed particles are discharged from a first discharge groove 5, the other part of small fragments fall into a second discharge groove 12 from a second filter hole to be discharged, the small fragments in the first discharge groove 5 fall into a dust hopper 14 from the first filter hole 4 and then fall into the second discharge groove 12, and the small fragments and the other part of small fragments are discharged from a discharge hole 7 together;
outside air mainly enters the dust removal box 11 from the first filtering holes 4, the second filtering holes 9 and the discharge hole 7, and drives dust in the first discharge groove 5 and the crushing box 2 to enter the dust removal box 11.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (7)
1. The utility model provides a screening plant is retrieved to building rubbish, includes broken case (2), the left end intercommunication of broken case (2) has feeder hopper (1), broken case (2) right-hand member intercommunication has first row silo (5), first filtration pore (4) have been seted up to the bottom of first row silo (5), the inboard top of broken case (2) is provided with clamp plate (3), the below of clamp plate (3) is provided with filter (8), second filtration pore (9) have been seted up on filter (8), the bottom of filter (8) is provided with second row silo (12), the left end intercommunication of second row silo (12) has dust absorption mechanism, its characterized in that, the extension direction of second row silo (12) is the same with first row silo (5), be provided with dust accumulation hopper (14) between second row silo (12) and the first row silo (5), the exit end of second row silo (12) is provided with deep bead (6), be provided with between deep bead (12) and second row silo (7).
2. A construction waste recycling screening arrangement according to claim 1, characterized in that the length of the second discharge chute (12) is smaller than the length of the first discharge chute (5) such that the outlet end of the second discharge chute (12) is located directly below the first discharge chute (5).
3. A construction waste recycling screening apparatus according to claim 2, wherein the dust hopper (14) is of a hopper-like structure with a large top and a small bottom.
4. A construction waste recycling screening arrangement according to claim 1, characterized in that the height value of the discharge opening (7) is equal to the pore size value of the second filter pores (9).
5. A construction waste recycling screening arrangement according to claim 4, characterized in that the diameter of the first filter openings (4) is not larger than the height value of the discharge opening (7).
6. A construction waste recycling screening arrangement according to claim 1, characterized in that the dust suction means comprises a dust box (11), the top of the dust box (11) is provided with a blower (10), the upper part of the inner side of the blower (10) is provided with a dust filter net, and the lower part of the dust filter net is communicated with the second discharge chute (12) through a dust suction pipe (13).
7. The construction waste recycling and screening device according to claim 6, wherein one end of the dust suction pipe (13) close to the second discharge groove (12) is of a horn-shaped structure with a small left and a large right, and the width value of the horn-shaped structure is equal to that of the second discharge groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321547221.1U CN220610520U (en) | 2023-06-16 | 2023-06-16 | Building rubbish recycling and screening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321547221.1U CN220610520U (en) | 2023-06-16 | 2023-06-16 | Building rubbish recycling and screening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220610520U true CN220610520U (en) | 2024-03-19 |
Family
ID=90226431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321547221.1U Active CN220610520U (en) | 2023-06-16 | 2023-06-16 | Building rubbish recycling and screening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220610520U (en) |
-
2023
- 2023-06-16 CN CN202321547221.1U patent/CN220610520U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |