CN108838070A - A kind of river sand screening plant for concrete on construction site stirring - Google Patents
A kind of river sand screening plant for concrete on construction site stirring Download PDFInfo
- Publication number
- CN108838070A CN108838070A CN201810732497.4A CN201810732497A CN108838070A CN 108838070 A CN108838070 A CN 108838070A CN 201810732497 A CN201810732497 A CN 201810732497A CN 108838070 A CN108838070 A CN 108838070A
- Authority
- CN
- China
- Prior art keywords
- cabinet
- river sand
- screening plant
- concrete
- construction site
- 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.)
- Withdrawn
Links
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
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- 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
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/18—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs
- F26B17/20—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs the axis of rotation being horizontal or slightly inclined
-
- 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
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
- F26B23/06—Heating arrangements using electric heating resistance heating
-
- 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
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/14—Sand
Abstract
The invention discloses a kind of river sand screening plants for concrete on construction site stirring, the bottom of cabinet is equipped with support frame, the top of cabinet is equipped with feed inlet, the lower section for being internally located at feed inlet of cabinet is equipped with rectangular straight slot, the two sides of rectangular straight slot are equipped with vertical through slot, and fan-shaped box body is equipped in vertical through slot, and the interior lower section positioned at coarse filtration net of cabinet is equipped with second level screening plant, the bottom of cabinet is exported equipped with fine sand, and the top that the top of cabinet is located at feed inlet is equipped with drying conveying device.The present invention can be dried (wind and heating) before screening to river sand, to prevent river sand from blocking sieve in screening process, so that screening can be carried out smoothly；The present invention can first carry out coarse fraction to river sand line, by river sand big stone and impurity screen out, then river sand is sieved with thin filter screen is tilted again, so that the lesser river sand of granularity is screened out, to obtain the river sand of the excellent of median diameter.
Description
Technical field
The present invention relates to river sand screening plant technical field, specially a kind of river sand for concrete on construction site stirring
Screening plant.
Background technique
River sand be natural stone in its natural state, active force through water collides repeatedly for a long time, rubbing generates, composition
There are certain slickness, the non-metallic ore more than impurity content in complex, surface.In construction site, for economic benefit
The mode gathered materials on the spot often is taken, therefore sand used in ready-mixed concrete is not the packed mark to come from other places transport
Quasi- sand, but meet it by a series of processing river sand and be directly used in concrete using partial size and stir, but it is in reality
There are still following drawbacks during use：
1. these impurity can play the work of coarse aggregate there are more large granular impurity inside natural river sand if not removing
With to influence the proportion of concrete, and river sand passes through prolonged normal erosion and slacking, there are more for river sand the inside
Fine powder and fine sand, and the specific surface area of these fine powders and fine sand is larger, will increase the dosage of cement in concrete, thus
Reduce economic benefit；
2. natural river sand is mostly all moister, blocking sieve is easy in screening process, so that screening can not continue.
Summary of the invention
The purpose of the present invention is to provide a kind of river sand screening plants for concrete on construction site stirring, on solving
State the problem of proposing in background technique.
To achieve the above object, the present invention provides the following technical solutions：A kind of river for concrete on construction site stirring
Sand sieve separating device, including cabinet, support frame, feed inlet, fan-shaped box body, coarse filtration net, second level screening plant and drying conveying dress
It sets, the bottom of the cabinet is equipped with support frame, and the top of the cabinet is equipped with feed inlet, and the cabinet is internally located at feed inlet
Lower section be equipped with rectangular straight slot, the two sides of the rectangular straight slot are equipped with vertical through slot, fan-shaped box body are equipped in the vertical through slot,
The bottom of the sector box body is equipped with coarse filtration net, and the top of the sector box body and the rotating shaft transmission of servo motor connect, institute
It states in cabinet and is equipped with second level screening plant positioned at the lower section of coarse filtration net, the bottom of the cabinet is exported equipped with fine sand, the machine
The top that the top of case is located at feed inlet is equipped with drying conveying device, and the drying conveying device includes drying room, rotation pipe, spiral shell
Vane piece, internal lining pipe, electric heating wire, air inlet pipe, revoling tube and annular groove, the rotation pipe is located in drying room, described
The surface of rotation pipe is equipped with helical blade, and the left end of the rotation pipe and the rotating shaft transmission of driving motor connect, the rotation pipe
Inside be equipped with internal lining pipe.
Preferably, the second level screening plant includes tilting thin filter screen, servo motor, active Knucle-gear, longitudinal straight-tooth
The left end of wheel, driven Knucle-gear and fixed frame, the thin filter screen of inclination is fixedly connected with longitudinal spur gear, the longitudinal direction
Spur gear stretches out the longitudinal slide rail and active Knucle-gear engaged transmission, the central axis of the active Knucle-gear and fixation of case side wall
The rotating shaft transmission of servo motor on the supporting plate connects.
Preferably, the right end of the thin filter screen of inclination stretches out the tilt slide on cabinet right side wall, the tilt slide
Upper side wall be equipped with limit filter screen, the lower wall of the tilt slide is equipped with longitudinal chute, the bottom of the thin filter screen of inclination
Longitudinal spur gear that portion is equipped with is fixed on the engaged transmission of the driven Knucle-gear in longitudinal chute with by fixed frame.
Preferably, electric heating wire, the left side table of the rotation pipe are equipped in the interlayer between the rotation pipe and internal lining pipe
Face is equipped with annular groove, and the annular groove is interior to be equipped with revoling tube, and the revoling tube and air inlet pipe, which run through, to be connected, and described turn
The left end surface of dynamic pipe is located at the part in revoling tube equipped with venthole.
Preferably, the revoling tube is socketed in the shaft of driving motor, and the bottom right side of the revoling tube is equipped with
Ball, the ball are equipped with multiple groups, and multiple groups ball is arranged in the right lateral surface of revoling tube in equidistant ring.
Preferably, the helical blade is equipped with micropore, and the micropore is arranged on the surface of helical blade in isometric helix shape
Column.
Compared with prior art, the beneficial effects of the invention are as follows：Structure of the invention setting rationally, functional, have with
Lower advantage：
1. the present invention can be dried (wind and heating) before screening to river sand, to prevent river sand in screening process
Middle blocking sieve, so that screening can be carried out smoothly；
2. the present invention can first carry out coarse fraction to river sand line, by river sand big stone and impurity screen out, then again to river
Sand is sieved with thin filter screen is tilted, so that the lesser river sand of granularity is screened out, to obtain the excellent of median diameter
River sand.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is structural schematic diagram at A in Fig. 1；
Fig. 3 is structural schematic diagram at B in Fig. 2；
Fig. 4 is the structural schematic diagram of rectangular straight slot；
Fig. 5 is the connection status figure of rotation pipe and helical blade.
In figure：Cabinet 1, feed inlet 3, rectangular straight slot 4, driving motor 5, fan-shaped box body 6, coarse filtration net 7, inclines at support frame 2
Tiltedly thin filter screen 8, fine sand export 9, servo motor 10, support plate 11, active Knucle-gear 12, drying room 13, rotation pipe 14, spiral
Blade 15, internal lining pipe 16, electric heating wire 18, vertical through slot 19, air inlet pipe 20, revoling tube 21, annular groove 22, venthole
23, ball 24, tilt slide 25, longitudinal spur gear 26, driven Knucle-gear 27, longitudinal chute 28, fixed frame 29, micropore 30, limit
Position filter screen 31, longitudinal slide rail 32.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, the present invention provides a kind of technical solution：A kind of river sand sieve for concrete on construction site stirring
Separating device, including cabinet 1, support frame 2, feed inlet 3, fan-shaped box body 6, coarse filtration net 7, second level screening plant and drying conveying dress
It sets, the bottom of cabinet 1 is equipped with support frame 2, and the top of cabinet 1 is equipped with feed inlet 3, the lower section for being internally located at feed inlet 3 of cabinet 1
Equipped with rectangular straight slot 4, the two sides of rectangular straight slot 4 are equipped with vertical through slot 19, and fan-shaped box body 6, fan-shaped box are equipped in vertical through slot 19
The bottom of body 6 is equipped with coarse filtration net 7, and the top of fan-shaped box body 6 connect with the rotating shaft transmission of servo motor 10, is located in cabinet 1
The lower section of coarse filtration net 7 is equipped with second level screening plant, and the bottom of cabinet 1 is equipped with fine sand outlet 9, and the top of cabinet 1 is located at charging
The top of mouth 3 is equipped with drying conveying device, and drying conveying device includes drying room 13, rotation pipe 14, helical blade 15, internal lining pipe
16, electric heating wire 18, air inlet pipe 20, revoling tube 21 and annular groove 22, rotation pipe 14 are located in drying room 13, rotation pipe 14
Surface be equipped with helical blade 15, the left end of rotation pipe 14 connect with the rotating shaft transmission of driving motor 5, and the inside of rotation pipe 14 is set
There is internal lining pipe 16.
Further, second level screening plant includes tilting thin filter screen 8, servo motor 10, active Knucle-gear 12, Zong Xiangzhi
Gear 26, driven Knucle-gear 27 and fixed frame 29, the left end for tilting thin filter screen 8 are fixedly connected with longitudinal spur gear 26,
Longitudinal spur gear 26 stretches out 12 engaged transmission of longitudinal slide rail 32 and active Knucle-gear of 1 side wall of cabinet, in active Knucle-gear 12
Mandrel is connect with the rotating shaft transmission for the servo motor 10 being fixed in support plate 11；
Further, the tilt slide 25 on right end stretching 1 right side wall of cabinet of thin filter screen 8, tilt slide 25 are tilted
Upper side wall be equipped with limit filter screen 31, the lower wall of tilt slide 25 is equipped with longitudinal chute 28, tilts the bottom of thin filter screen 8
The longitudinal spur gear 26 being equipped with and 27 engaged transmission of driven Knucle-gear being fixed on by fixed frame 29 in longitudinal chute 28；
Further, electric heating wire 18, the left side of rotation pipe 14 are equipped in the interlayer between rotation pipe 14 and internal lining pipe 16
Surface is equipped with annular groove 22, and revoling tube 21, revoling tube 21 and air inlet pipe 20 are equipped in annular groove 22 through connection, is turned
The left end surface of dynamic pipe 14 is located at the part in revoling tube 21 equipped with venthole 23；
Further, revoling tube 21 is socketed in the shaft of driving motor 5, and the bottom right side of revoling tube 21 is equipped with rolling
Pearl 24, ball 24 are equipped with multiple groups, and multiple groups ball 24 is arranged in the right lateral surface of revoling tube 21 in equidistant ring, and ball 24 can subtract
Frictional resistance between small revoling tube 21 and rotation pipe 14, so that the rotation of rotation pipe 14 is more smooth；
Further, helical blade 15 is equipped with micropore 30, and micropore 30 is in isometric helix shape on the surface of helical blade 15
Arrangement can spray outward hence into the air in internal lining pipe 16 from micropore 13, for air-drying for river sand.
Working principle：River sand in actual use, can be added in drying room 13, then be dried by being located at by the present invention
The port that feed inlet 3 is transported under the conveying effect of helical blade 15 in dry chamber 13 in rotation pipe 14 is simultaneously located at
18 pairs of electric heating wire between rotation pipe 14 and internal lining pipe 16 river sands entered in drying rooms 13 carry out heating, dryings, at the same from into
The wind that tracheae 20 enters in revoling tube 21 enters the inside of rotation pipe 14 from the venthole 23 in the left side of rotation pipe 14, and from being located at
Micropore 30 on helical blade 15 is discharged, and for drying river sand, the river sand after drying at this time enters in cabinet 1 from feed inlet 3,
Enter in fan-shaped box body 6 into the river sand in cabinet 1 through rectangular straight slot 4, and the coarse filtration net by being located at 6 bottom of fan-shaped box body
7 are filtered the impurity removing of bulky grain, and the top sidewall of fan-shaped box body 6 is connect with the rotating shaft transmission of servo motor 10,
So as to drive fan-shaped box body 6 to swing back and forth, so that the screening efficiency of coarse filtration net 7 is improved, the river leaked down from coarse filtration net 7
Under screening of the sand through tilting thin filter screen 8, the thinner river sand for being unsatisfactory for requirement in part is leaked out from fine sand outlet 9, and is expired
The river sand of sufficient Particle size requirements is then flowed out from the right end for tilting thin filter screen 8 through limit filter screen 31, tilts the left side of thin filter screen 8
12 engaged transmission of longitudinal spur gear 26 and active Knucle-gear being fixed with, to carry out backswing before and after pushing the thin filter screen 8 of inclination
It is dynamic, the screening efficiency for tilting thin filter screen 8 is improved, is suitble to promote.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of river sand screening plant for concrete on construction site stirring, including cabinet (1), support frame (2), feed inlet
(3), fan-shaped box body (6), coarse filtration net (7), second level screening plant and drying conveying device, it is characterised in that：The cabinet (1)
Bottom be equipped with support frame (2), the top of the cabinet (1) is equipped with feed inlet (3), and the cabinet (1) is internally located at charging
The lower section of mouth (3) is equipped with rectangular straight slot (4), and the two sides of the rectangular straight slot (4) are equipped with vertical through slot (19), the vertical through slot
(19) fan-shaped box body (6) is equipped in, the bottom of the sector box body (6) is equipped with coarse filtration net (7), the sector box body (6)
Top is connect with the rotating shaft transmission of servo motor (10), and the lower section in the cabinet (1) positioned at coarse filtration net (7) is sieved equipped with second level
The bottom of separating device, the cabinet (1) is equipped with fine sand outlet (9), and the top of the cabinet (1) is located at the top of feed inlet (3)
Equipped with drying conveying device, the drying conveying device includes drying room (13), rotation pipe (14), helical blade (15), liner
Pipe (16), electric heating wire (18), air inlet pipe (20), revoling tube (21) and annular groove (22), the rotation pipe (14) are located at
In drying room (13), the surface of the rotation pipe (14) is equipped with helical blade (15), the left end of the rotation pipe (14) and driving
The rotating shaft transmission of motor (5) connects, and the inside of the rotation pipe (14) is equipped with internal lining pipe (16).
2. a kind of river sand screening plant for concrete on construction site stirring according to claim 1, it is characterised in that：
The second level screening plant includes tilting thin filter screen (8), servo motor (10), active Knucle-gear (12), longitudinal spur gear
(26), driven Knucle-gear (27) and fixed frame (29), the left end of the thin filter screen (8) of inclination and longitudinal spur gear (26)
It is fixedly connected, the longitudinal slide rail (32) that the longitudinal direction spur gear (26) stretches out cabinet (1) side wall is engaged with active Knucle-gear (12)
Transmission, the central axis of the active Knucle-gear (12) and the rotating shaft transmission for the servo motor (10) being fixed on support plate (11) connect
It connects.
3. a kind of river sand screening plant for concrete on construction site stirring according to claim 2, it is characterised in that：
The right end of the thin filter screen (8) of inclination stretches out the tilt slide (25) on cabinet (1) right side wall, the tilt slide (25)
Upper side wall is equipped with limit filter screen (31), and the lower wall of the tilt slide (25) is equipped with longitudinal chute (28), and the inclination is thin
Longitudinal spur gear (26) that the bottom of filter screen (8) is equipped with by fixed frame (29) be fixed on it is driven in longitudinal chute (28)
Knucle-gear (27) engaged transmission.
4. a kind of river sand screening plant for concrete on construction site stirring according to claim 1, it is characterised in that：
Electric heating wire (18) are equipped in interlayer between the rotation pipe (14) and internal lining pipe (16), the left side table of the rotation pipe (14)
Face is equipped with annular groove (22), and revoling tube (21), the revoling tube (21) and air inlet are equipped in the annular groove (22)
(20) are managed through connection, the left end surface of the rotation pipe (14) is located at the part in revoling tube (21) equipped with venthole
(23)。
5. a kind of river sand screening plant for concrete on construction site stirring according to claim 4, it is characterised in that：
The revoling tube (21) is socketed in the shaft of driving motor (5), and the bottom right side of the revoling tube (21) is equipped with ball
(24), the ball (24) is equipped with multiple groups, and multiple groups ball (24) is arranged in the right lateral surface of revoling tube (21) in equidistant ring.
6. a kind of river sand screening plant for concrete on construction site stirring according to claim 1, it is characterised in that：
The helical blade (15) is equipped with micropore (30), and the micropore (30) is arranged on the surface of helical blade (15) in isometric helix shape
Column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810732497.4A CN108838070A (en) | 2018-07-05 | 2018-07-05 | A kind of river sand screening plant for concrete on construction site stirring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810732497.4A CN108838070A (en) | 2018-07-05 | 2018-07-05 | A kind of river sand screening plant for concrete on construction site stirring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108838070A true CN108838070A (en) | 2018-11-20 |
Family
ID=64201454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810732497.4A Withdrawn CN108838070A (en) | 2018-07-05 | 2018-07-05 | A kind of river sand screening plant for concrete on construction site stirring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108838070A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110773296A (en) * | 2019-10-31 | 2020-02-11 | 杭州鑫赐贸易有限公司 | Sand accelerated drying screening plant based on cam transmission structure |
| CN113019512A (en) * | 2021-03-16 | 2021-06-25 | 中国科学院西北生态环境资源研究院 | Soil reducing mechanism for ecological remediation |
| CN115121475A (en) * | 2022-08-31 | 2022-09-30 | 海门晟宇新材料科技有限公司 | Pretreatment equipment for processing and producing synthetic materials |
-
2018
- 2018-07-05 CN CN201810732497.4A patent/CN108838070A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110773296A (en) * | 2019-10-31 | 2020-02-11 | 杭州鑫赐贸易有限公司 | Sand accelerated drying screening plant based on cam transmission structure |
| CN113019512A (en) * | 2021-03-16 | 2021-06-25 | 中国科学院西北生态环境资源研究院 | Soil reducing mechanism for ecological remediation |
| CN115121475A (en) * | 2022-08-31 | 2022-09-30 | 海门晟宇新材料科技有限公司 | Pretreatment equipment for processing and producing synthetic materials |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181120 |
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| WW01 | Invention patent application withdrawn after publication |