CN111036538B - Coarse sand screening and drying device for constructional engineering - Google Patents
Coarse sand screening and drying device for constructional engineering Download PDFInfo
- Publication number
- CN111036538B CN111036538B CN201911417587.5A CN201911417587A CN111036538B CN 111036538 B CN111036538 B CN 111036538B CN 201911417587 A CN201911417587 A CN 201911417587A CN 111036538 B CN111036538 B CN 111036538B
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- Prior art keywords
- screen
- drum
- sand
- feeding pipe
- roller
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
- B02C15/16—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs with milling members essentially having different peripheral speeds and in the form of a hollow cylinder or cone and an internal roller or cone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/0012—Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain)
- B02C19/0018—Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain) using a rotor accelerating the materials centrifugally against a circumferential breaking surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a coarse sand screening and drying device for constructional engineering, which comprises a screen box and a screen cylinder; a rotary screen drum is nested in the screen box, and a feeding pipe is arranged on the left side of the screen drum; a spiral feeding roller is arranged in the feeding pipe, the tail end of the feeding pipe is communicated with a scattering cover, and an impeller plate is nested in the scattering cover; a rotary drum is arranged in the screen drum, and spray heads distributed at equal intervals are arranged on the rotary drum. According to the sand-screening machine, the spiral feeding roller, the scattering cover and the impeller plate are arranged, so that sand is scattered and dispersed while being uniformly fed, sand blocks are crushed by impact, the sand is fully dispersed, and subsequent drying and screening are facilitated; through being equipped with a pivoted sieve section of thick bamboo and being reverse circular motion with a sieve section of thick bamboo roll roller, rotary drum and shower nozzle, realize further the crushing that rolls to the sand lump, drive simultaneously and blow through driving shower nozzle circumference, improve dry homogeneity and efficiency, with roll the roller cooperation, the sand lump is broken with higher speed, further improves screening efficiency.
Description
Technical Field
The invention relates to the field of constructional engineering, in particular to a coarse sand screening and drying device for constructional engineering.
Background
In the building engineering work progress, need carry out the fine screen to the husky material of transportation to building site to make husky material accord with the construction raw materials requirement, traditional screening sand device adopts vibration screen's mode to filter husky material, the hardened sand block of clearance that can not be fine, and moist husky material makes husky material glue easily in addition, blocks up the screen cloth, influences screening efficiency.
Disclosure of Invention
The invention aims to provide a coarse sand screening and drying device for constructional engineering, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a coarse sand screening and drying device for constructional engineering comprises a screen box and a screen cylinder; a rotary screen drum is nested in the screen box, and a feeding pipe is arranged on the left side of the screen drum; a spiral feeding roller is arranged in the feeding pipe, the tail end of the feeding pipe is communicated with a scattering cover, an impeller plate is nested in the scattering cover, and the impeller plate is fixedly connected with the tail end of the spiral feeding roller; a rotary drum is arranged in the screen drum, and spray heads distributed at equal intervals are arranged on the rotary drum.
As a further scheme of the invention: the circumference surface evenly distributed of a sieve section of thick bamboo has the sieve mesh, and a sieve section of thick bamboo is the hollow toper section of thick bamboo of level setting.
As a further scheme of the invention: the sieve section of thick bamboo passes through the bearing housing and is connected with sieve incasement wall rotation, and sieve section of thick bamboo end cup joints and is fixed with the ring gear, and the meshing has drive gear in the ring gear upper end, and drive gear fixedly connected with transmission shaft, transmission shaft extend to the sieve incasement side and rotate with the sieve case and be connected, and the transmission shaft is connected with the second motor through first drive belt, and the second motor passes through bolt fastening's mode and sieve case roof fixed connection.
As a further scheme of the invention: the inlet pipe extends to in a sieve section of thick bamboo, and the inlet pipe rotates with a sieve section of thick bamboo to be connected, and inlet pipe upper end intercommunication has feeding hopper, and feeding hopper is upper end open-ended uncovered box.
As a further scheme of the invention: the spiral feeding roller extends to the inlet pipe outside and is connected with first motor, and first motor passes through bolt fastening's mode and inlet pipe tip fixed connection.
As a further scheme of the invention: the scattering cover is fixedly connected with the feeding pipe and is a circular pipe with an opening at the upper part.
As a further scheme of the invention: the rotary drum extends to the outside of the screen box, and the rotary drum is respectively connected with the screen drum and the screen box in a rotating manner.
As a further scheme of the invention: the tail end of the rotary drum is communicated with a hot air pipe through a rotary joint, and the hot air pipe is communicated with an air outlet pipe of the air heater.
As a further scheme of the invention: the outer side of the rotary drum is provided with grinding rollers which are distributed in the circumferential direction, and the grinding rollers are abutted and connected with the inner wall of the screen drum in a sliding manner; the rolling roller is rotatably connected with a roller frame, the roller frame is fixedly connected with a rotary drum, and the rotary drum is connected with the transmission shaft through a second transmission belt.
Compared with the prior art, the invention has the beneficial effects that: according to the sand-screening machine, the spiral feeding roller, the scattering cover and the impeller plate are arranged, so that sand is scattered and dispersed while being uniformly fed, sand blocks are crushed by impact, the sand is fully dispersed, and subsequent drying and screening are facilitated; through being equipped with a pivoted sieve section of thick bamboo and being reverse circular motion with a sieve section of thick bamboo roll roller, rotary drum and shower nozzle, realize further the crushing that rolls to the sand lump, drive simultaneously and blow through driving shower nozzle circumference, improve dry homogeneity and efficiency, with roll the roller cooperation, the sand lump is broken with higher speed, further improves screening efficiency.
Drawings
FIG. 1 is a schematic view of the internal structure of a coarse sand screening and drying apparatus for construction engineering;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a perspective view of a screen drum in a coarse sand screening and drying device for construction engineering;
FIG. 4 is a perspective view of a throwing cover in the coarse sand screening and drying apparatus for construction engineering;
fig. 5 is a right perspective view of a scattering cover in the coarse sand screening and drying apparatus for construction work.
In the figure: 1-a sieve box; 2-a screen cylinder; 3-bearing sleeve; 4-a feed pipe; 5-a spiral feed roll; 6-a first motor; 7-a feeding hopper; 8-scattering a cover; 9-impeller plate; 10-a gear ring; 11-a transmission gear; 12-a drive shaft; 13-a first drive belt; 14-a second electric machine; 15-rolling roller; 16-a roller frame; 17-a rotating drum; 18-a second drive belt; 19-a spray head; 20-hot air pipe; 21-a hot air blower; 22-a collection hood; 23-a sand discharge pipe; 24-an opening; 25-slag discharge pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-5, in an embodiment of the present invention, a coarse sand screening and drying apparatus for building engineering includes a screen box 1 and a screen drum 2; the screen cylinder 2 is nested in the screen box 1, screen holes are uniformly distributed on the circumferential surface of the screen cylinder 2, and the screen cylinder 2 is a hollow conical cylinder which is horizontally arranged, so that sand and waste residues can conveniently move along with the rotation of the screen cylinder 2; the screen drum 2 is rotatably connected with the inner wall of the screen box 1 through a bearing sleeve 3, the tail end of the screen drum 2 is fixedly sleeved with a gear ring 10, the upper end of the gear ring 10 is meshed with a transmission gear 11, the transmission gear 11 is fixedly connected with a transmission shaft 12, the transmission shaft 12 extends to the outer side of the screen box 1 and is rotatably connected with the screen box 1, the transmission shaft 12 is connected with a second motor 14 through a first transmission belt 13, and the second motor 14 is fixedly connected with the top plate of the screen box 1 in a bolt fixing mode; during operation, the second motor 14 drives the transmission gear 11 to rotate through the transmission shaft 12, and the transmission gear 11 drives the gear ring 10 and the screen drum 2 to rotate, so that coarse sand is screened in a rotating mode.
A feeding pipe 4 is arranged on the left side of the screen drum 2, the feeding pipe 4 extends into the screen drum 2, the feeding pipe 4 is rotatably connected with the screen drum 2, the upper end of the feeding pipe 4 is communicated with a feeding hopper 7, the feeding hopper 7 is an open box body with an open upper end, and coarse sand raw materials are fed from the feeding hopper 7; a spiral feeding roller 5 is arranged in the feeding pipe 4, the spiral feeding roller 5 extends to the outer side of the feeding pipe 4 and is connected with a first motor 6, and the first motor 6 is fixedly connected with the end part of the feeding pipe 4 in a bolt fixing mode; during the operation, first motor 6 drive spiral feed roller 5 rotates for the coarse sand raw materials is at the uniform velocity entering into a sieve section of thick bamboo 2, avoids husky material to form in a sieve section of thick bamboo 2 and piles up, avoids increasing actuating mechanism load and screening the degree of difficulty, guarantees the screening quality.
The tail end of the feeding pipe 4 is communicated with a scattering cover 8, the scattering cover 8 is fixedly connected with the feeding pipe 4, and the scattering cover 8 is a circular pipe with an open upper part; an impeller plate 9 is nested in the scattering cover 8, and the impeller plate 9 is fixedly connected with the tail end of the spiral feeding roller 5; during operation, along with the rotation of the spiral feeding roller 5, coarse sand raw materials are conveyed into the scattering cover 8 from the feeding hopper 7 through the feeding pipe 4, the impeller plate 9 rotates along with the spiral feeding roller 5, the impeller plate 9 is matched with the inner wall of the scattering cover 8 to centrifugally throw out the coarse sand raw materials, the block masses in the coarse sand raw materials are large, the received centrifugal force is large, the block masses are thrown to the inner wall of the screen drum 2 and collide with the inner wall of the screen drum 2, the block masses are favorably crushed, the subsequent screening is facilitated, meanwhile, sand materials entering from the feeding pipe 4 are sufficiently dispersed, and the rapid screening of the screen drum 2 is facilitated.
A collecting cover 22 is arranged below the screen drum 2, the lower end of the collecting cover 22 is communicated with a sand discharge pipe 23, and the sand discharge pipe 23 extends to the lower part of the screen box 1; the end of the screen cylinder 2 is provided with an opening 24 which is circumferentially distributed, the opening 24 is an arc-shaped through groove, a bottom plate of the screen box 1 is provided with a slag discharge pipe 25 matched with the opening 24, and the slag discharge pipe 25 extends to the lower part of the screen box 1.
In order to avoid the moisture of the sand, the sand is adhered and accumulated on the inner wall of the screen cylinder 2, a rotary cylinder 17 is arranged in the screen cylinder 2, the rotary cylinder 17 extends to the outer side of the screen box 1, and the rotary cylinder 17 is respectively connected with the screen cylinder 2 and the screen box 1 in a rotating manner; the rotary drum 17 is provided with spray heads 19 which are distributed at equal intervals, the tail end of the rotary drum 17 is communicated with a hot air pipe 20 through a rotary joint, and the hot air pipe 20 is communicated with an air outlet pipe of an air heater 21; during operation, hot air generated by the air heater 21 enters the rotary drum 17 through the hot air pipe 20 and is sprayed out from the spray head 19 to dry sand in the screen drum 2 in a hot air mode, the exhaust pipe is arranged at the upper end of the screen box 1, moisture can be conveniently taken away from the screen box 1, and drying efficiency is improved.
Example 2
This example differs from example 1 in that: in order to improve the drying effect; the outer side of the rotary drum 17 is provided with grinding rollers 15 which are distributed circumferentially, and the grinding rollers 15 are abutted and slidably connected with the inner wall of the screen drum 2; the rolling roller 15 is rotatably connected with a roller frame 16, the roller frame 16 is fixedly connected with a rotating drum 17, and the rotating drum 17 is connected with the transmission shaft 13 through a second transmission belt 18; during operation, the transmission shaft 13 drives the rotary drum 17 to rotate through the second transmission belt 18, the rotary drum 17 drives the rolling roller 15 to do circular motion in the screen cylinder 2 through the roller frame 16, and the rolling roller 15 is matched with the inner wall of the screen cylinder 2 to roll and crush sand blocks; meanwhile, the rotary drum 17 drives the spray head 19 to rotate, so that hot air sprayed by the spray head 19 blows the inner wall of the screen drum 2 comprehensively, drying uniformity and drying efficiency are improved, and screen holes of the screen drum 2 are prevented from being blocked.
The following are specifically mentioned: in the application, a feeding hopper, a spiral feeding roller, a screen drum, a rotary drum and a spray head are in the prior art; the spreading cover, the impeller plate and the grinding roller are innovation points of the application; by arranging the spiral feeding roller, the scattering cover and the impeller plate, the sand is scattered and dispersed while being uniformly fed, so that sand blocks are crushed by impact, the sand is sufficiently dispersed, and subsequent drying and screening are facilitated; through being equipped with a pivoted sieve section of thick bamboo and being reverse circular motion with a sieve section of thick bamboo roll roller, rotary drum and shower nozzle, realize further the crushing that rolls to the sand lump, drive simultaneously and blow through driving shower nozzle circumference, improve dry homogeneity and efficiency, with roll the roller cooperation, the sand lump is broken with higher speed, further improves screening efficiency.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A coarse sand screening and drying device for constructional engineering comprises a screen box (1) and a screen cylinder (2); the sieve box is characterized in that a rotary sieve drum (2) is nested in the sieve box (1), and a feeding pipe (4) is arranged on the left side of the sieve drum (2); a spiral feeding roller (5) is arranged in the feeding pipe (4), the tail end of the feeding pipe (4) is communicated with a scattering cover (8), an impeller plate (9) is nested in the scattering cover (8), and the impeller plate (9) is fixedly connected with the tail end of the spiral feeding roller (5); a rotary drum (17) is arranged in the screen drum (2), spray heads (19) distributed at equal intervals are arranged on the rotary drum (17), the rotary drum (17) extends to the outer side of the screen box (1), the rotary drum (17) is respectively in rotary connection with the screen drum (2) and the screen box (1), the tail end of the rotary drum (17) is communicated with a hot air pipe (20) through a rotary joint, the hot air pipe (20) is communicated with an air outlet pipe of a hot air blower (21), rolling rollers (15) distributed circumferentially are arranged on the outer side of the rotary drum (17), and the rolling rollers (15) are abutted to and slidably connected with the inner wall of the screen drum (2); the rolling roller (15) is rotatably connected with a roller frame (16), the roller frame (16) is fixedly connected with a rotating drum (17), and the rotating drum (17) is connected with the transmission shaft (12) through a second transmission belt (18).
2. The coarse sand screening and drying device for the building engineering as claimed in claim 1, characterized in that the screen holes are uniformly distributed on the circumferential surface of the screen cylinder (2), and the screen cylinder (2) is a hollow conical cylinder which is horizontally arranged.
3. The coarse sand screening and drying device for the building engineering according to claim 2, wherein the screen drum (2) is rotatably connected with the inner wall of the screen box (1) through a bearing sleeve (3), a gear ring (10) is fixedly sleeved at the tail end of the screen drum (2), a transmission gear (11) is meshed at the upper end of the gear ring (10), the transmission gear (11) is fixedly connected with a transmission shaft (12), the transmission shaft (12) extends to the outer side of the screen box (1) and is rotatably connected with the screen box (1), the transmission shaft (12) is connected with a second motor (14) through a first transmission belt (13), and the second motor (14) is fixedly connected with the top plate of the screen box (1) in a bolt fixing manner.
4. The coarse sand screening and drying device for the building engineering according to claim 1, wherein the feeding pipe (4) extends into the screen drum (2), the feeding pipe (4) is rotatably connected with the screen drum (2), the upper end of the feeding pipe (4) is communicated with a feeding hopper (7), and the feeding hopper (7) is an open box body with an open upper end.
5. The coarse sand screening and drying device for the building engineering according to claim 1, characterized in that the spiral feeding roller (5) extends to the outer side of the feeding pipe (4) and is connected with a first motor (6), and the first motor (6) is fixedly connected with the end of the feeding pipe (4) in a bolt fixing mode.
6. The coarse sand screening and drying device for the building engineering according to claim 1, characterized in that the scattering cover (8) is fixedly connected with the feeding pipe (4), and the scattering cover (8) is a circular pipe with an open upper part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911417587.5A CN111036538B (en) | 2019-12-31 | 2019-12-31 | Coarse sand screening and drying device for constructional engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911417587.5A CN111036538B (en) | 2019-12-31 | 2019-12-31 | Coarse sand screening and drying device for constructional engineering |
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| Publication Number | Publication Date |
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| CN111036538A CN111036538A (en) | 2020-04-21 |
| CN111036538B true CN111036538B (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911417587.5A Active CN111036538B (en) | 2019-12-31 | 2019-12-31 | Coarse sand screening and drying device for constructional engineering |
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| CN114433328A (en) * | 2022-02-13 | 2022-05-06 | 新沂市恒盛石英制品厂 | Quartz sand rotary screening equipment |
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| CN117884349A (en) * | 2024-03-13 | 2024-04-16 | 徐州科建环保科技有限公司 | Slag micropowder screening equipment |
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