CN219486095U - Dust recovery device for special concrete collecting hopper - Google Patents
Dust recovery device for special concrete collecting hopper Download PDFInfo
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- CN219486095U CN219486095U CN202320521737.2U CN202320521737U CN219486095U CN 219486095 U CN219486095 U CN 219486095U CN 202320521737 U CN202320521737 U CN 202320521737U CN 219486095 U CN219486095 U CN 219486095U
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Abstract
The application discloses dust recovery device for a special concrete collecting hopper relates to the field of concrete production devices, and comprises a dust collecting cover which surrounds and is arranged at the opening of the top of a hopper body of the collecting hopper in a ring shape, wherein an opening at one side of the dust collecting cover is obliquely upwards distributed towards the inner side of the hopper body, the bottom of the dust collecting cover is connected with an air extraction assembly for extracting gas and dust in the dust collecting cover and collecting the extracted dust, and a first filter screen is detachably connected at the opening of the dust collecting cover; dust cage, bleed subassembly and first filter screen in this application can be at the bucket body open-top department of collecting hopper to the dust that upwards spreads by the collecting hopper bucket body suction and collect, adopts the dust material loss in the material lightweight concrete of aggregate process when effectively reducing material lightweight concrete such as pumice powder, set gray rock powder, fly ash haydite, coal gangue powder, slags in the concrete mixing plant to improve the dust pollution problem of production scene.
Description
Technical Field
The application relates to the field of concrete production devices, in particular to a dust recovery device for a special concrete collecting hopper.
Background
Special concrete refers to cement concrete with special purposes, which is made of novel materials, industrial waste or by a novel process, such as: lightweight aggregate concrete (lightweight concrete, lightweight aggregate concrete), fiber reinforced concrete (FRC for short), polymer concrete, and the like. Among them, the industrial solid waste materials currently applied to special concrete mainly include the following types: 1. preparing concrete with sound insulation, heat insulation, shock absorption and crack resistance by taking waste rubber tires as one of the aggregates; 2. preparing anti-cracking and anti-folding concrete by adopting various waste plastic fibers, polyester fibers, steel fibers and the like; 3. preparing lightweight concrete by using pumice powder, tuff powder, fly ash ceramsite, gangue powder, slag and the like; 4. etc.
At present, in the process of preparing lightweight concrete by using pumice powder, tuff powder, fly ash ceramsite, gangue powder, slag and the like, a concrete collecting hopper is generally adopted to collect, aggregate and discharge the pumice powder, tuff powder, fly ash ceramsite, gangue powder, slag and the like. The concrete collecting hopper structure in the related art is generally shown in the utility model patent with the application number of 201910885391.2, and comprises a hopper body, an air cylinder, a clamping roller device and a rubber cylinder body, wherein one end of the air cylinder is hinged on the hopper body, and the other end of the air cylinder is hinged on the clamping roller device; when the collecting hopper collects materials, the air cylinder stretches out to drive the roller clamping device to compress the rubber cylinder body so as to achieve the aim of sealing the materials; when the collecting hopper discharges, the air cylinder is retracted, and the compressed rubber cylinder is opened for discharging.
Along with the process that materials such as pumice powder, tuff powder, fly ash haydite, gangue powder, slag and the like are put into a bucket body from the opening at the top of the bucket body, more dust diffusion exists in the opening of the bucket body, and most of collecting hoppers in the related art do not have dust recovery modules, a large amount of dust materials are scattered in the collecting process, and meanwhile, the problem of dust pollution of a production site is caused.
Disclosure of Invention
In order to solve the problems of dust material scattering and dust pollution in the aggregate process of the aggregate hopper, the application provides a dust recycling device for a special concrete aggregate hopper.
The application provides a special concrete is dust recovery device for collecting hopper adopts following technical scheme:
the utility model provides a special concrete is dust recovery device for collecting hopper, is including being annular around, locating the dust cage of the bucket body top opening part of collecting hopper, dust cage one side opening and its opening are the slant upwards to lay towards the bucket body inboard, the dust cage bottom is connected with and is used for extracting gas and dust in the dust cage and carries out the extraction subassembly that collects to the dust that obtains, dust cage opening part still can dismantle and be connected with first filter screen.
By adopting the technical scheme, in the process of producing the lightweight concrete by adopting materials such as pumice powder, tuff powder, fly ash ceramsite, gangue powder, slag and the like, and concrete aggregate and powder, the dust collecting cover surrounds the opening of the top of the bucket body of the collecting bucket. As the materials such as pumice powder, tuff powder, fly ash haydite, gangue powder, slag and the like are put into the bucket body from the top opening of the bucket body, more dust is easy to diffuse upwards at the opening of the bucket body, and the air extraction component can be used for sucking gas and dust in the dust collection cover; in the process, the first filter screen can intercept solid matters with relatively large volume outside the dust collection cover, and the opening arrangement direction of the dust collection cover can expand the suction range of the suction end of the suction assembly as much as possible, so that the suction assembly can suck and collect the scattered dust at the opening of the hopper body as much as possible, thereby effectively reducing the loss of dust materials in the aggregate process and improving the dust pollution problem of the production site.
Optionally, the bleed subassembly includes air exhauster and dust collecting bag, the bleed end and the dust collecting hood of air exhauster are linked together, the end of giving vent to anger of air exhauster is linked together with the dust collecting bag entry, just the dust collecting bag can dismantle the end of giving vent to anger of connecting in the air exhauster.
By adopting the technical scheme, the on-off of the exhaust fan and the running power of the exhaust fan are controlled, so that whether the air extraction assembly extracts air or not and the suction force of the air extraction assembly can be controlled more conveniently, and the scattered dust at the opening of the bucket body can be sucked and collected into the dust collecting bag more conveniently; and when the dust collecting bag is full of the dust-like materials, an operator can replace the dust collecting bag and recycle the collected dust-like materials.
Optionally, still install the division board in the dust cage, be located filter screen and dust cage and exhaust end intercommunication department of air exhauster between, evenly offered a plurality of air vents along its length extending direction on the division board, air vent department is connected with the second filter screen, the mesh size of second filter screen is less than the mesh size of first filter screen.
Through adopting above-mentioned technical scheme, division board and second filter screen can be on the basis of first filter screen, further filter the relatively great solid matter of volume in the obtained air of interception suction to reduce the card of solid matter to the air exhauster, stop up.
Optionally, the first filter screen is connected with and connects the material bounding wall towards one side lower part of dust cage, connect and be formed with the opening between material bounding wall and the first filter screen and up connect the silo, just connect one side that the material bounding wall kept away from first filter screen and laminating mutually with the division board.
Through adopting above-mentioned technical scheme, the relatively great solid matter of volume that second filter screen and division board interception obtained can be intercepted between second filter screen and division board, and the majority in this part solid matter is adhered to the second filter screen under the suction effect of bleed subassembly, and the minority slides along the division board and drops to connect in the silo to collect to reduce the filtration burden of second filter screen.
Optionally, a plurality of connectors for detachably connecting the first filter screen and the dust collection cover are arranged on one side of the first filter screen, which faces the dust collection cover, or on the inner side wall of the dust collection cover, a plurality of inserting grooves corresponding to the positions of the connectors are correspondingly formed on one side of the first filter screen, which faces the dust collection cover, of the inner side wall of the dust collection cover, and the connectors are matched and inserted with the corresponding inserting grooves.
Through adopting above-mentioned technical scheme, aim at plug connector and jack-in groove to make the plug connector peg graft get into one side of first filter screen orientation dust cage/in the jack-in groove that corresponds on the dust cage, can load and unload first filter screen and dust cage comparatively conveniently, thereby clear up the dust class material of adhesion on the first filter screen and the dust class material of receiving in the material groove.
Optionally, the division board is equipped with a plurality of connecting plates along its length direction's both sides protrusion respectively, the connecting hole has been run through to be seted up on the connecting plate, connecting hole department activity wears to be equipped with the screw thread spare, a plurality of screw holes that are suitable for being linked together with the connecting hole have been seted up to the correspondence on the dust collecting cover inside wall, screw thread spare and screw hole thread adaptation.
Through adopting above-mentioned technical scheme, aim at the connecting hole on the connecting plate and the screw hole on the dust collecting cover inside wall to insert the connecting hole and the screw hole that are linked together with the screw member, can be comparatively convenient and stably be fixed in the dust collecting cover on the bucket body, and comparatively convenient and stably with division board fixed mounting to the dust collecting cover simultaneously.
Optionally, the mesh size of the second filter screen gradually decreases from the side close to the first filter screen to the side far away from the first filter screen.
Through adopting above-mentioned technical scheme, guarantee division board and second filter screen and carry out effective interception to solid impurity, enlarge suction and the suction scope of pumping subassembly as far as possible.
Optionally, the air extraction end of the exhaust fan is connected to the middle part of the dust hood.
By adopting the technical scheme, the suction force and the suction range of the air suction component are ensured to the greatest extent while the energy consumption is reduced.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the dust hood, the air extraction component and the first filter screen, dust which is diffused upwards by the bucket body of the collecting hopper can be sucked and collected at the opening of the top of the bucket body of the collecting hopper, so that the dust materials in the aggregate process when lightweight concrete is produced by adopting materials such as pumice powder, tuff powder, fly ash ceramsite, gangue powder, slag and the like and concrete aggregates and powder in a concrete mixing station are effectively reduced, and the dust pollution problem of a production site is improved;
2. the suction fan, the dust collection cover, the dust collection bag and the first filter screen are matched, so that the opening and closing of the suction fan and the running power of the suction fan are controlled, dust at the opening of the hopper body can be sucked more conveniently, after the dust collection bag is full of dust materials, the dust collection bag is replaced, and the collected dust materials are recycled;
3. through making first filter screen and second filter screen detachable connection on the dust cage, can be convenient for operating personnel comparatively conveniently load and unload first filter screen and second filter screen, clear up, guarantee dust recovery unit is to the recovery effect of dust class material.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application corresponding to a square bucket;
FIG. 2 is a schematic overall structure of an embodiment of the present disclosure corresponding to a circular bucket;
FIG. 3 is a partial schematic view of the embodiment of the present application corresponding to FIG. 1;
FIG. 4 is a schematic exploded view of a partial structure corresponding to the embodiment of the present application in FIG. 1;
fig. 5 is a schematic view illustrating an internal structure of the dust hood according to the embodiment of fig. 1.
Reference numerals: 1. a bucket body; 2. a dust collection cover; 21. a plug-in component; 3. an exhaust fan; 4. a dust collecting bag; 5. a first filter screen; 51. a plug-in groove; 52. receiving coaming plates; 53. a receiving groove; 6. a partition plate; 61. a connecting plate; 62. a screw; 7. and a second filter screen.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
The embodiment of the application discloses a dust recovery device for special concrete collecting hopper relates to the field of concrete production devices.
Referring to fig. 1, a dust recycling device for a special concrete collecting hopper comprises dust hoods 2 arranged at the top opening of a hopper body 1 of the collecting hopper, wherein the hopper body 1 of the collecting hopper is commonly provided with square hopper bodies 1 with square openings and round hopper bodies 1 with round openings, each square hopper body 1 can be correspondingly rectangular and strip-shaped, four groups of dust hoods 2 are correspondingly arranged on each square hopper body 1, and the four groups of dust hoods 2 respectively correspond to four sides of the square hopper body 1 and are square and encircle the opening of the hopper body 1; referring to fig. 2, the dust collecting covers 2 may be semi-circular, and each circular bucket body 1 is correspondingly provided with two groups of dust collecting covers 2, and the two groups of dust collecting covers 2 are butted with each other and encircle the opening of the bucket body 1 in a circular shape. The dust collecting cover 2 is opened on one side, and the dust collecting cover 2 is formed by two rectangular and strip-shaped plate bodies which are integrally connected and mutually perpendicular, in order to solve the problems of dust material scattering and dust pollution in the dust collecting process of the collecting hopper, the opening of the dust collecting cover 2 is obliquely upwards distributed towards the inner side of the hopper body 1, the bottom of the dust collecting cover 2 is connected with an air extraction assembly for extracting gas and dust in the dust collecting cover 2 and collecting the extracted dust, and a first filter screen 5 for intercepting the solid material with a larger volume is detachably connected at the opening of the dust collecting cover 2.
Specifically, referring to fig. 1 and 2, the air extraction assembly includes an air extraction fan 3 and a dust collecting bag 4, each bucket body 1 is correspondingly provided with two groups of air extraction assemblies, the two groups of air extraction assemblies are oppositely arranged at two sides of the bucket body 1, the air extraction fan 3 is fixedly arranged on the outer side wall of the bucket body 1, the air extraction end of the air extraction fan 3 is communicated with the middle part of the dust collecting cover 2 through a pipeline, and the pipeline is preferably a soft circular pipe with a smooth inner wall; the air outlet end of the exhaust fan 3 is also communicated with the inlet of the dust collecting bag 4 through a pipeline, an internal thread and a circular lantern ring are fixedly arranged at the inlet of the dust collecting bag 4, a threaded sleeve which is suitable for being assembled with the circular lantern ring in a threaded manner is fixedly connected at the air outlet end of the exhaust fan 3, the dust collecting bag 4 is assembled and hermetically connected at the air outlet end of the exhaust fan 3 through the circular lantern ring in a threaded manner, and a plurality of fine air holes which are communicated with the inside and the outside of the dust collecting bag 4 and used for balancing the air pressure inside and outside the dust collecting bag 4 are formed at the top of the dust collecting bag 4.
The opening and closing of the exhaust fan 3 and the running frequency of the exhaust fan 3 are controlled, so that whether the air extraction component extracts air or not and the suction force of the air extraction component can be controlled more conveniently, and the scattered dust at the opening of the bucket body 1 can be sucked and collected into the dust collecting bag 4 more conveniently; and when the dust collecting bag 4 is full of dust-like materials, an operator can grip the threaded sleeve and screw the round sleeve ring at the inlet of the dust collecting bag 4 to replace the dust collecting bag 4, and the collected dust-like materials are recycled.
Further, referring to fig. 3 and 4, in order to guarantee the recovery processing effect of the dust recovery device on dust, the separation plate 6 is detachably mounted in the dust collection cover 2 and between the filter screen and the connection position of the suction end of the dust collection cover 2 and the suction fan 3, a plurality of vent holes are uniformly formed in the separation plate 6 along the length extending direction of the separation plate, the vent holes are connected with the second filter screen 7, the mesh size of the second filter screen 7 is smaller than that of the first filter screen 5, and the mesh size of the second filter screen 7 is gradually reduced from one side close to the first filter screen 5 to one side far away from the first filter screen 5, so that the separation plate 6 and the second filter screen 7 can effectively intercept solid impurities on the basis of the first filter screen 5.
Specifically, referring to fig. 4 and 5, the extending direction of the partition plate 6 is consistent with that of the dust hood 2, a plurality of connecting plates 61 for detachably fixing the partition plate 6 to the dust hood 2 are outwards protruded from both sides of the partition plate 6 along the length direction of the partition plate, each connecting plate 61 is provided with a connecting hole in a penetrating manner, a threaded piece 62 for fixing the partition plate 6 and the dust hood 2 is movably arranged at the connecting hole (in the embodiment of the present application, the threaded pieces 62 can be bolts, screws and the like), a plurality of threaded holes suitable for communicating with the connecting holes in a one-to-one correspondence manner are correspondingly formed in the inner side walls of both sides of the dust hood 2 and the top opening of the bucket body 1, and the threaded pieces 62 are in threaded fit with the threaded holes.
The lower side edge of the dust hood 2 is attached to the bucket body 1, and two side edges of the partition plate 6 are respectively connected with two side edges of the dust hood 2 and form a triangular long cavity, and the air extraction end of the air exhauster 3 is communicated with the cavity; the connecting holes on the connecting plate 61 aligned with the lower side of the separation plate 6, the threaded holes on the lower side of the dust hood 2 and the threaded holes at the opening of the top of the bucket body 1 are used for locking the separation plate 6, the dust hood 2 and the bucket body 1 by adopting the threaded piece 62, so that an operator can conveniently fix the dust hood 2 on the bucket body 1 and simultaneously conveniently and stably fix the separation plate 6 in the dust hood 2.
Further, referring to fig. 4 and 5, in order to facilitate the subsequent cleaning of the first filter screen 5 and the second filter screen 7 by the operator and the cleaning of the solid material between the first filter screen 5 and the second filter screen 7, a plurality of connectors 21 for detachably connecting the first filter screen 5 with the dust collection cover 2 are protruded on the inner side wall of the dust collection cover 2, the connectors 21 are in a barb shape, the cross-sectional area of one side of the connectors 21 away from the inner side wall of the dust collection cover 2 is larger than the cross-sectional area of one side of the connectors 21 close to the inner side wall of the dust collection cover 2, a plurality of inserting grooves 51 corresponding to the positions of the connectors 21 are correspondingly formed on one side of the first filter screen 5 facing the dust collection cover 2, and the connectors 21 are matched with the corresponding inserting grooves 51; in other embodiments, the arrangement of the socket 51 and the plug 21 can also be exchanged.
Aligning the plug connector 21 with the plug groove 51, and enabling the plug connector 21 to be plugged into the corresponding plug groove 51 on one side of the first filter screen 5 facing the dust collection cover 2/on the dust collection cover 2, so that the first filter screen 5 and the dust collection cover 2 can be assembled and disassembled conveniently, and dust materials adhered on the first filter screen 5 are cleaned; and the lower part of one side of the first filter screen 5 facing the dust hood 2 is also connected with a receiving coaming 52, an upward opening receiving trough 53 is formed between the receiving coaming 52 and the first filter screen 5, and one side of the receiving coaming 52 far away from the first filter screen 5 is attached to the partition plate 6.
Referring to fig. 3 and 4, the solid matter having a relatively large volume, which is intercepted by the second filter screen and the partition plate 6, can be intercepted between the second filter screen 7 and the partition plate 6, and a large part of the solid matter adheres to the second filter screen 7 under the suction force of the air extraction assembly, and a small part slides along the partition plate 6 and falls into the receiving groove 53 to be collected, so that the filtering burden of the second filter screen 7 is reduced.
The implementation principle of the dust recycling device for the special concrete collecting hopper is as follows: in the process of producing lightweight concrete by using materials such as pumice powder, tuff powder, fly ash ceramsite, gangue powder, slag and the like and concrete aggregate and powder, the dust hood 2 surrounds the top opening of the bucket body 1 of the collecting bucket. Along with the materials such as pumice powder, tuff powder, fly ash haydite, gangue powder, slag and the like are thrown into the bucket body 1 from the top opening of the bucket body 1, more dust is easy to diffuse upwards at the opening of the bucket body 1, in the process, the exhaust fan 3 is started and the operation power of the exhaust fan 3 is controlled, the exhaust fan 3 can suck the diffused dust at the edge of the opening of the bucket body 1 to the dust collection cover 2, and gas and dust sequentially pass through the first filter screen 5 and the second filter screen 7 and are sucked into the dust collection bag 4 by the exhaust fan 3 for collection; after the dust recovery device is used for a period of time, an operator can detach the dust collecting bag 4 from the air outlet end of the exhaust fan 3, pour out dust materials in the dust collecting bag 4 and clean and replace the dust collecting bag 4. The dust material loss in the aggregate process is effectively reduced, and the dust pollution problem of the production site is favorably improved.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. The utility model provides a special concrete is dust recovery unit for collecting hopper which characterized in that: including being cyclic annular around, locating dust cage (2) of the bucket body (1) open-top department of collecting hopper, dust cage (2) one side opening and its opening are the slant towards bucket body (1) inboard and upwards lay, dust cage (2) bottom is connected with and is used for extracting gas and dust in dust cage (2) and carries out the subassembly of bleeding of collecting to the dust that the extraction obtained, dust cage (2) open-top still can dismantle and be connected with first filter screen (5).
2. The dust recycling apparatus for a special concrete aggregate bin according to claim 1, wherein: the dust collection device comprises a dust collection bag (4) and is characterized in that the air extraction assembly comprises an exhaust fan (3), an air extraction end of the exhaust fan (3) is communicated with a dust collection cover (2), an air outlet end of the exhaust fan (3) is communicated with an inlet of the dust collection bag (4), and the dust collection bag (4) is detachably connected to the air outlet end of the exhaust fan (3).
3. A dust recycling apparatus for a special concrete aggregate bin according to claim 1 or 2, characterized in that: still install division board (6) in dust cage (2), be located filter screen and dust cage (2) and exhaust end of air exhauster (3) between being connected department, a plurality of air vents have evenly been seted up along its length extending direction on division board (6), air vent department is connected with second filter screen (7), the mesh size of second filter screen (7) is less than the mesh size of first filter screen (5).
4. A dust recycling apparatus for a special concrete aggregate bin according to claim 3, wherein: the dust collection device is characterized in that a receiving coaming (52) is connected to the lower portion of one side of the first filter screen (5) facing the dust collection cover (2), an upward-opening receiving groove (53) is formed between the receiving coaming (52) and the first filter screen (5), and one side, far away from the first filter screen (5), of the receiving coaming (52) is attached to the partition plate (6).
5. The dust recycling apparatus for a special concrete aggregate bin according to claim 1, wherein: the dust collection device is characterized in that a plurality of plug connectors (21) used for detachably connecting the first filter screen (5) with the dust collection cover (2) are arranged on one side of the first filter screen (5) facing the dust collection cover (2) or on the inner side wall of the dust collection cover (2) in a protruding mode, a plurality of plug grooves (51) corresponding to the plug connectors (21) in position are correspondingly formed in one side of the first filter screen (5) facing the dust collection cover (2), and the plug connectors (21) are matched and plugged with the corresponding plug grooves (51).
6. A dust recycling apparatus for a special concrete aggregate bin according to claim 3, wherein: the dust collection device is characterized in that a plurality of connecting plates (61) are respectively arranged on two sides of the partition plate (6) along the length direction in a protruding mode, connecting holes are formed in the connecting plates (61) in a penetrating mode, threaded pieces (62) are movably arranged in the connecting holes in a penetrating mode, a plurality of threaded holes which are suitable for being communicated with the connecting holes are correspondingly formed in the inner side wall of the dust collection cover (2), and the threaded pieces (62) are in threaded fit with the threaded holes.
7. A dust recycling apparatus for a special concrete aggregate bin according to claim 3, wherein: the mesh size of the second filter screen (7) gradually decreases from one side close to the first filter screen (5) to one side far away from the first filter screen (5).
8. A dust recycling apparatus for a special concrete aggregate bin according to claim 3, wherein: the air extraction end of the air extractor (3) is connected with the middle part of the dust collection cover (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320521737.2U CN219486095U (en) | 2023-03-14 | 2023-03-14 | Dust recovery device for special concrete collecting hopper |
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| CN202320521737.2U CN219486095U (en) | 2023-03-14 | 2023-03-14 | Dust recovery device for special concrete collecting hopper |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117383272A (en) * | 2023-10-13 | 2024-01-12 | 香河永泰电子器件有限公司 | Preparation device and preparation method of copper paste metal alumina ceramic substrate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117383272A (en) * | 2023-10-13 | 2024-01-12 | 香河永泰电子器件有限公司 | Preparation device and preparation method of copper paste metal alumina ceramic substrate |
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