CN214714979U - Sand and stone separator with filtering capability - Google Patents

Abstract

The utility model relates to a sand and stone separator with filtering capability belongs to the sand and stone separator field, which comprises a bracket, support one end fixedly connected with shell, fixedly connected with drum in the shell, first logical groove has been seted up to drum one end, the drum is kept away from first logical groove one side and has been seted up a plurality of filtration holes, the shell has set gradually first settling zone along drum length direction, second settling zone and filtering area, the shell corresponds filtering area position department and has placed first filter element and second and filter the core, first filtration hole of filtering the core is through being greater than the filtration aperture of second filter element, first filter element is close to first logical groove, the second filters the core and keeps away from first logical groove. This application has the impurity among the sediment and the filtration waste water, waste water among the cyclic utilization concrete production process, resources are saved environmental protection's effect.

Description

Sand and stone separator with filtering capability

Technical Field

The application relates to the sand and stone separator field, especially relates to a sand and stone separator with filtering capability.

Background

At present, premixed concrete refers to a concrete mixture which is sold by metering and mixing cement, aggregate, water, an additive and a mineral admixture according to a certain proportion in a mixing station and is transported to a use place within a specified time by adopting a transport vehicle. According to the calculation, 1 cubic meter of common concrete contains 1700-2000 kilograms of sandstone aggregate, a 30-ten thousand square concrete enterprise produces annually, only slurry formed by a concrete mixer truck is cleaned, the slurry reaches 80-120 cubic meters per day, the physical pollution of the slurry is mainly concrete aggregate adsorbed on the wall of a tank, cement, sandstone particles and the like generated after water washing are generated, and the particles are difficult to dissolve in water and easy to precipitate.

In view of the above-mentioned related art, the inventor believes that the direct discharge of wastewater generated by washing a mixer truck causes serious pollution and wastes a large amount of water resources.

SUMMERY OF THE UTILITY MODEL

In order to retrieve the waste water reuse of wasing the trucd mixer, this application provides a sand and stone separator with filtering capability.

The application provides a sand and stone separator with filtering capability adopts following technical scheme:

the utility model provides a sand and stone separator with filtering capability, which comprises a bracket, support one end fixedly connected with shell, fixedly connected with drum in the shell, first logical groove has been seted up to drum one end, the drum is kept away from first logical groove one side and has been seted up a plurality of filtration pores of crossing, the shell has set gradually first settling zone along drum length direction, second settling zone and filtering area, the shell corresponds filtering area position department and has placed first filtration core and second and cross the filter element, first filtration core cross the filtration pore diameter of filter element through being greater than the second, first filtration core is close to first logical groove, the second is crossed the filter element and is kept away from first logical groove.

By adopting the scheme, the concrete wastewater entering the cylinder flows into the first settling zone through the sand and the slurry after being filtered by the filtering holes, the sand and the slurry gradually settle in the first settling zone, the slurry enters the second settling zone to be continuously filtered, and finally the slurry is recycled through the filtering of the filtering zone.

Preferably, the shell is fixedly connected with a first partition plate at a position close to the filtering hole, and the first settling zone is enclosed by the first partition plate and the shell.

Through adopting above-mentioned scheme, the concrete waste water that gets into the drum flows into first sedimentation zone with sand and thick liquid after the filtration of filtration pore, and sand and thick liquid deposit gradually in first sedimentation zone, and the thick liquid after the sediment overflows to the second sedimentation zone from first division board top gradually.

Preferably, the shell is far away from the fixedly connected with second division board of filtration pore position department, and the second settling zone is enclosed by second division board, first division board and shell, and the shell corresponds second settling zone position department fixedly connected with polylith shutter plate.

Through adopting above-mentioned scheme, the thick liquid enters into behind the second settling zone and collides with the shutter plate of second settling zone, and the granule impurity in the thick liquid deposits the second settling zone bottom after the collision of shutter plate slows down gradually, and the thick liquid obtains further sediment in this region, and impurity in the thick liquid is showing and is reducing.

Preferably, shell one end just keeps away from support one side fixedly connected with feed hopper, and feed hopper communicates in the shell, corresponds a plurality of first deflectors of feed hopper position fixedly connected with of department in the shell, and feed hopper one end is kept away from to first deflector is close to the setting each other.

Through adopting above-mentioned scheme, wash in the waste water of concrete enters into the shell from feed hopper, the stone that the concrete mix with through the buffering of first deflector in the more gentle shell that falls, first deflector reduces the stone and falls down the possibility of damage equipment from the eminence.

Preferably, the cylinder is fixedly connected with a plurality of second guide plates corresponding to the first through grooves, one end, far away from the cylinder, of each second guide plate is fixedly connected to the shell, and the second guide plates incline downwards from one end, close to the shell, to one end, close to the first through grooves.

Through adopting above-mentioned scheme, the in-process that the second deflector will pour into concrete waste water into splashes the thick liquid and the stone on the shell and guide to first logical groove position department, reduces the stone and directly enters into the possibility in first settling zone through filtering.

Preferably, the drum is kept away from first logical groove one end opening setting, and the drum internal rotation is connected with the pivot, and the pivot sets up along drum length direction, and pivot fixed surface is connected with helical blade, and the pivot is close to first logical groove one end and stretches out drum and shell setting, and the extension of pivot is connected with the drive assembly who drives the pivot rotation, and feed hopper one end fixedly connected with bearing is kept away from to the drum, and first logical groove one end is kept away from in the pivot and is pegged graft in the bearing.

Through adopting above-mentioned scheme, transmission assembly drives the pivot and helical blade is rotatory, and helical blade drives remaining stone in the concrete and transmits to the drum tip along pivot length direction, and helical blade is with the sand and the thick liquid separation in stone and the concrete waste water.

Preferably, the transmission assembly comprises a driven synchronizing wheel fixedly connected to the extending portion of the rotating shaft, the shell is close to the driven synchronizing wheel and fixedly connected with a speed reducing motor, an output shaft of the speed reducing motor is arranged along the length direction of the cylinder, an output shaft of the speed reducing motor is fixedly connected with a driving synchronizing wheel, and a synchronous belt is sleeved on the driving synchronizing wheel and the driven synchronizing wheel together.

Through adopting above-mentioned scheme, gear motor drives the hold-in range through initiative synchronizing wheel and rotates, and the hold-in range drives driven synchronizing wheel and pivot then and rotates, and the transmission structure of hold-in range effectively reduces gear motor and takes place the possibility of skidding at the transmission in-process, improve equipment's transmission efficiency.

Preferably, the part of the rotating shaft extending out of the cylinder is fixedly connected with a separation blade close to the cylinder, the part of the rotating shaft extending out of the cylinder is sleeved with a spring, one end of the spring abuts against one side, close to the cylinder, of the shell, the other end of the spring abuts against the separation blade, and the spring provides force for the separation blade to keep away from the driven synchronizing wheel.

Through adopting above-mentioned scheme, when helical blade met stone piece card in the rotary conveying process and went into or during the gravity strikes, the pivot can be followed self length direction and stepped down to driven synchronizing wheel position department, and the spring gives the separation blade and keeps away from the power of driven synchronizing wheel, and spring buffering helical blade gives the interference force of transmission assembly, ensures transmission assembly's steady operation.

Preferably, the shell corresponds first sedimentation zone position department and has seted up the second and lead to the groove, the shell corresponds second and leads to groove position department and rotates and be connected with first access door, first access door can cover the second and lead to the groove, first access door is kept away from the first stationary blade of shell one end fixedly connected with, first fixed logical groove has been seted up to first stationary blade, the shell corresponds the first fixed first fixing bolt of leading to groove position department fixedly connected with, first fixing bolt threaded connection has first fixation nut, first fixation nut is close to shell one side butt in first stationary blade.

Through adopting above-mentioned scheme, after equipment operation certain time, a large amount of sands have been deposited in the first settling zone, and the workman opens first access door this moment, returns the stirring station to recycle after collecting the clearance with the sand in the first settling zone, reduces the waste to raw and other materials, protects ecological environment.

Preferably, the shell corresponds second sedimentation zone position department and has seted up the third and lead to the groove, the shell corresponds third and leads to groove position department and rotates and be connected with the second access door, the second access door can cover the third and lead to the groove, the second access door is kept away from shell one end fixedly connected with second stationary blade, the fixed logical groove of second has been seted up to the second stationary blade, the shell corresponds the fixed logical groove position department fixedly connected with second fixing bolt of second, second fixing bolt threaded connection has second fixation nut, second fixation nut is close to shell one side butt in the second stationary blade.

Through adopting above-mentioned scheme, after equipment operation certain time, deposited the mud class impurity that a large amount of concrete mix with in the second settling zone, the workman opens the second access door this moment, collects the clearance with the mud of siltation in the second settling zone, and the workman is unified with the mud of siltation and is handled, avoids among the direct natural environment who discharges of mud, reduces the pollution of concrete production to the environment.

In conclusion, the invention has the following beneficial effects:

1. the sand-stone separator can precipitate and filter impurities in the waste water, and the waste water in the concrete production process is recycled, so that the effects of saving resources and protecting the environment are achieved;

2. the first access door and the second access door are convenient for workers to clear sand and slurry sediments in the first sedimentation area and the second sedimentation area;

3. the spring gives the separation blade and keeps away from the power of driven synchronizing wheel, and spring buffering helical blade gives transmission assembly's interference force, ensures transmission assembly's steady operation.

Drawings

FIG. 1 is a schematic structural view of a sand separator with a filtering function according to an embodiment of the present disclosure;

FIG. 2 is a cross-sectional view of a sand separator with a filtering function according to an embodiment of the present application;

FIG. 3 is a cross-sectional view of a protruding bearing of a sand separator with a filtering function according to an embodiment of the present application;

FIG. 4 is a schematic structural view of a protruded driving assembly of a sand separator having a filtering function according to an embodiment of the present application;

FIG. 5 is an enlarged view of a portion A of a sand separator having a filtering function according to an embodiment of the present application;

FIG. 6 is a cross-sectional view of a protruding first access door of a sand separator with filtering capability according to an embodiment of the present application;

FIG. 7 is an enlarged view of a portion B of a sand separator having a filtering function according to an embodiment of the present application;

FIG. 8 is a sectional view of a protruding second access door of a sand separator with filtering function according to an embodiment of the present application;

fig. 9 is an enlarged view of a portion C of a sand separator having a filtering function according to an embodiment of the present application.

Description of reference numerals: 1. a housing; 11. a support; 12. a feed hopper; 13. a first guide plate; 14. a cylinder; 141. a first through groove; 142. a second guide plate; 143. a filtration pore; 144. a third guide plate; 15. a second through groove; 16. a third through groove; 17. a sealing gasket; 2. a first settling zone; 21. a first partition plate; 3. a second precipitation zone; 31. a second partition plate; 32. a louver board; 4. a filtration zone; 41. a first filter element; 42. a second filter element; 43. a drain pipe; 5. a rotating shaft; 51. a helical blade; 52. a bearing; 53. a baffle plate; 54. a spring; 6. a transmission assembly; 61. a driven synchronizing wheel; 62. a reduction motor; 63. a driving synchronizing wheel; 64. a synchronous belt; 7. a first access door; 71. a first fixing sheet; 72. a first fixed through slot; 73. a first fixing bolt; 74. a first fixing nut; 8. a second access door; 81. a second fixing sheet; 82. a second fixed through groove; 83. a second fixing bolt; 84. and a second fixing nut.

Detailed Description

The present application is described in further detail below with reference to figures 1-9.

The embodiment of the application discloses sand and stone separator with filtering capability. Referring to fig. 1 and 2, including support 11, support 11 one end fixedly connected with shell 1, 1 one end fixedly connected with feed hopper 12 of shell, feed hopper 12 is located shell 1 and keeps away from support 11 one side, feed hopper 12 communicates in shell 1, corresponds a plurality of first deflectors 13 of feed hopper 12 position department fixedly connected with in the shell 1, and feed hopper 12 one end is kept away from to first deflector 13 and is close to the setting each other. In the waste water that washs the concrete enters into shell 1 from feed hopper 12, the stone that the concrete mix with reduces the stone and falls down the possibility of damage equipment from the eminence in the more gentle shell 1 that falls of crisscross buffering of first deflector 13.

Referring to fig. 1 and 2, a cylinder 14 is fixedly connected in the housing 1, the cylinder 14 is tilted downward toward the end close to the feed hopper 12 from the end far away from the feed hopper 12, the cylinder 14 is opened at the end far away from the feed hopper 12, a first through groove 141 is formed at the position of the cylinder 14 corresponding to the feed hopper 12, a plurality of second guide plates 142 are fixedly connected at the position of the cylinder 14 corresponding to the first through groove 141, one end of the second guide plate 142 far away from the cylinder 14 is fixedly connected to the housing 1, and the second guide plates 142 are tilted downward toward the end close to the first through groove 141 from the end close to the housing 1. The second guide plate 142 is connected to the cylinder 14 of the casing 1, and the second guide plate 142 concentrates the concrete scattered when falling into the casing 1 toward the first through groove 141, so that the probability that the concrete is accidentally scattered into the casing 1 without being separated and the pollution in the sand separated in the casing 1 is reduced.

Referring to fig. 1 and 2, a plurality of filtering holes 143 are formed in the position of the cylinder 14 corresponding to the first through groove 141, a first partition plate 21 is fixedly connected to the position of the housing 1 close to the filtering holes 143, a first settling area 2 is formed between the first partition plate 21 and the housing 1, a second partition plate 31 is fixedly connected to the position of the housing 1 far away from the filtering holes 143, a second settling area 3 is formed among the second partition plate 31, the first partition plate 21 and the housing 1, and a plurality of louvers 32 are fixedly connected to the position of the housing 1 corresponding to the second settling area 3. The concrete wastewater entering the cylinder 14 is filtered by the filter holes 143 and flows into the first settling zone 2 with sand and slurry, the sand and slurry gradually settle in the first settling zone 2, and the settled slurry gradually overflows from the top of the first partition plate 21 to the second settling zone 3. The thick liquid enters into behind the second settling zone 3 and collides with the shutter plate 32 of second settling zone 3, and the granule impurity in the thick liquid deposits to the bottom of second settling zone 3 after the collision speed reduction of shutter plate 32 gradually, and the thick liquid obtains further precipitation in this region, and impurity in the thick liquid is showing and is reducing.

Referring to fig. 2 and 3, a filtering area 4 is formed between the second partition plate 31 and the housing 1, a first filtering core 41 and a second filtering core 42 are placed at a position of the housing 1 corresponding to the filtering area 4, a filtering hole 143 of the first filtering core 41 has a diameter larger than that of a filtering hole 143 of the second filtering core 42, the first filtering core 41 is close to the feeding funnel 12, the second filtering core 42 is far from the feeding funnel 12, a drain pipe 43 is fixedly connected to the housing 1 corresponding to the second filtering core 42, and the drain pipe 43 is communicated with the inside of the housing 1. After the first settling zone 2 and the second settling zone 3 are settled for a plurality of times, the existing particle impurities in the slurry are lighter in weight and are not easy to settle naturally, and at the moment, the impurities in the slurry are adsorbed on the surfaces of the first filter element 41 and the second filter element 42 after being filtered by the first filter element 41 and the second filter element 42.

Referring to fig. 2 and 3, a rotating shaft 5 is rotatably connected in the cylinder 14, the rotating shaft 5 is arranged along the length direction of the cylinder 14, a helical blade 51 is fixedly connected to the surface of the rotating shaft 5, one end of the rotating shaft 5, which is close to the feeding hopper 12, extends out of the cylinder 14 and the housing 1, the extending part of the rotating shaft 5 is connected with a transmission assembly 6, one end of the cylinder 14, which is far away from the feeding hopper 12, is fixedly connected with a bearing 52, and one end of the rotating shaft 5, which is far away from the feeding hopper 12, is inserted into the bearing 52. The transmission assembly 6 drives the rotating shaft 5 and the spiral blades 51 to rotate, the spiral blades 51 drive the residual stones in the concrete to be transmitted to the end part of the cylinder 14 along the length direction of the rotating shaft 5, and the spiral blades 51 separate the stones from sand and slurry in the concrete wastewater.

Referring to fig. 2 and 4, the transmission assembly 6 includes a driven synchronizing wheel 61 fixedly connected to the extending portion of the rotating shaft 5, a speed reducing motor 62 is fixedly connected to a position of the housing 1 close to the driven synchronizing wheel 61, an output shaft of the speed reducing motor 62 is arranged along the length direction of the cylinder 14, an output shaft of the speed reducing motor 62 is fixedly connected with a driving synchronizing wheel 63, and a synchronous belt 64 is sleeved on the driving synchronizing wheel 63 and the driven synchronizing wheel 61 together. The gear motor 62 drives the synchronous belt 64 to rotate through the driving synchronous wheel 63, the synchronous belt 64 drives the driven synchronous wheel 61 and the rotating shaft 5 to rotate, the transmission structure of the synchronous belt 64 effectively reduces the possibility that the gear motor 62 slips in the transmission process, and the transmission efficiency of the device is improved.

Referring to fig. 2 and 5, a blocking piece 53 is fixedly connected to a position where a portion of the rotating shaft 5 extending out of the cylinder 14 is close to the cylinder 14, a spring 54 is sleeved on the portion of the rotating shaft 5 extending out of the cylinder 14, one end of the spring 54 abuts against one side of the housing 1 close to the cylinder 14, the other end of the spring 54 abuts against the blocking piece 53, and the spring 54 gives a force to the blocking piece 53 away from the driven synchronizing wheel 61. When the helical blade 51 encounters stone blocking or gravity impact in the rotary conveying process, the rotating shaft 5 can give way to the position of the driven synchronizing wheel 61 along the length direction of the rotating shaft, the spring 54 gives a force to the blocking piece 53 to be far away from the driven synchronizing wheel 61, and the spring 54 buffers the interference force of the helical blade 51 to the transmission assembly 6, so that the stable operation of the transmission assembly 6 is guaranteed.

Referring to fig. 2 and 3, a third guiding plate 144 is fixedly connected to an end of the housing 1 away from the feeding funnel 12 at a position corresponding to the cylinder 14, and the third guiding plate 144 is inclined downwards from an end close to the cylinder 14 to an end away from the cylinder 14. The stone that is carried through helical blade 51 is kept away from feed hopper 12 one end from drum 14 and is discharged, and the stone that discharges falls on third deflector 144, and third deflector 144 is concentrated the stone to unified direction, and the workman of being convenient for concentrates the stone of retrieving the separation.

Referring to fig. 6 and 7, the second through groove 15 has been seted up to the position department that shell 1 corresponds first precipitation zone 2, shell 1 corresponds second through groove 15 position department and rotates and is connected with first access door 7, first access door 7 can cover second through groove 15, first access door 7 is kept away from the first stationary blade 71 of shell 1 one end fixedly connected with, first fixed through groove 72 has been seted up to first stationary blade 71, shell 1 corresponds first fixed through groove 72 position department fixedly connected with first fixing bolt 73 of fixed through groove 72, first fixing bolt 73 threaded connection has first fixing nut 74, first fixing nut 74 is close to shell 1 one side butt in first stationary blade 71. After equipment operation certain time, a large amount of sand has settled in the first settling zone 2, and the workman opens first access door 7 this moment, returns the stirring station to recycle after collecting the clearance with the sand in the first settling zone 2, reduces the waste to raw and other materials, protection ecological environment.

Referring to fig. 8 and 9, the third through groove 16 has been seted up to 3 positions of the corresponding second settling zone of shell 1, the position department that the shell 1 corresponds the third through groove 16 rotates and is connected with the second access door 8, the second access door 8 can cover the third through groove 16, the shell 1 one end fixedly connected with second stationary blade 81 is kept away from to the second access door 8, the fixed through groove 82 of second has been seted up to second stationary blade 81, the shell 1 corresponds the fixed through groove 82 position department fixedly connected with second fixing bolt 83 of second, second fixing bolt 83 threaded connection has second fixing nut 84, second fixing nut 84 is close to shell 1 one side butt in second stationary blade 81. After equipment operation certain time, deposited the mud class impurity that a large amount of concrete mix with in the second settling zone 3, the workman opens second access door 8 this moment, collects the clearance with the mud of second settling zone 3 internal siltation, and the workman is unified with the mud of siltation and is handled, avoids among the direct natural environment who discharges of mud, reduces the pollution of concrete production to the environment.

Referring to fig. 7 and 9, a sealing gasket 17 made of an elastic material is fixedly connected to a position of the housing 1 corresponding to the second through groove 15, one side of the sealing gasket 17 away from the housing 1 abuts against the first access door 7, a position of the housing 1 corresponding to the third through groove 16 is fixedly connected to the sealing gasket 17, and one side of the sealing gasket 17 away from the housing 1 abuts against the second access door 8. Seal ring 17 butt is between shell 1 and first access door 7 and second access door 8, strengthens first access door 7 and second access door 8's leakproofness, reduces the probability that concrete waste water oozes from second through groove 15 and the logical 16 positions of third, reduces the probability that the operation environment is polluted by waste water.

The implementation principle of sand and stone separator with filtering capability of the embodiment of this application is: wash concrete mixer truck's waste water from feed hopper 12 enter into in the shell 1, the stone that the concrete was mingled with reduces the stone and falls down the possibility of damage equipment from the eminence in the more gentle shell 1 that falls of crisscross buffering of first deflector 13. Then, the transmission assembly 6 drives the rotating shaft 5 and the spiral blades 51 to rotate, the spiral blades 51 drive the residual stones in the concrete to be transmitted to the end part of the cylinder 14 along the length direction of the rotating shaft 5, and the spiral blades 51 separate the stones from sand and slurry in the concrete wastewater. The stone blocks conveyed by the helical blades 51 are discharged from one end of the cylinder 14 far away from the feeding hopper 12, the discharged stone blocks fall onto the third guide plate 144, and the third guide plate 144 concentrates the stone blocks to a uniform direction, so that workers can concentrate and recover the separated stone blocks

The sand and the slurry are gradually settled in the first settling zone 2, and the settled slurry gradually overflows from the top of the first partition plate 21 to the second settling zone 3. The thick liquid enters into behind the second settling zone 3 and collides with the shutter plate 32 of second settling zone 3, and the granule impurity in the thick liquid deposits to the bottom of second settling zone 3 after the collision speed reduction of shutter plate 32 gradually, and the thick liquid obtains further precipitation in this region, and impurity in the thick liquid is showing and is reducing.

After the first settling zone 2 and the second settling zone 3 are settled for a plurality of times, the existing particle impurities in the slurry are lighter in weight and are not easy to settle naturally, and at the moment, the impurities in the slurry are adsorbed on the surfaces of the first filter element 41 and the second filter element 42 after being filtered by the first filter element 41 and the second filter element 42. The filtered water is collected and recycled from the drain pipe 43.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides a sand and stone separator with filtering capability, includes support (11), its characterized in that: one end of the bracket (11) is fixedly connected with the shell (1), a cylinder (14) is fixedly connected in the shell (1), one end of the cylinder (14) is provided with a first through groove (141), one side of the cylinder (14) far away from the first through groove (141) is provided with a plurality of filtering holes (143), a first partition plate (21) and a second partition plate (31) are sequentially arranged in the shell (1) along the length direction, the first partition plate (21) and the second partition plate (31) are sequentially arranged in the shell (1) from the direction close to the first through groove (141) to the direction far away from the first through groove (141), the shell (1) is sequentially divided into a first settling zone (2), a second settling zone (3) and a filtering zone (4) by the first partition plate (21) and the second partition plate (31) along the length direction, a first filtering core (41) and a second filtering core (42) are placed at the position of the shell (1) corresponding to the filtering zone (4), the diameter of the filtering holes (143) of the first filtering core (41) is larger than that of the filtering holes (143) of the second filtering core (42), the first filtering core (41) is close to the first through groove (141), and the second filtering core (42) is far away from the first through groove (141).

2. A sand separator having a filtering function according to claim 1, wherein: the shell (1) is fixedly connected with a plurality of louver boards (32) at the position corresponding to the second settling zone (3).

3. A sand separator having a filtering function according to claim 1, wherein: shell (1) is close to first logical groove (141) one end fixedly connected with feed hopper (12), and feed hopper (12) are located shell (1) and keep away from support (11) one side, and feed hopper (12) communicate in shell (1), correspond a plurality of first deflector (13) of feed hopper (12) position department fixedly connected with in shell (1), and feed hopper (12) one end is kept away from in first deflector (13) and is close to the setting each other.

4. A sand separator having a filtering function according to claim 1, wherein: the position of the cylinder (14) corresponding to the first through groove (141) is fixedly connected with a plurality of second guide plates (142), one ends, far away from the cylinder (14), of the second guide plates (142) are fixedly connected to the shell (1), and the second guide plates (142) are inclined downwards from one end, close to the shell (1), to one end, close to the first through groove (141).

5. A sand separator having a filtering function according to claim 1, wherein: drum (14) are kept away from first logical groove (141) one end opening setting, drum (14) internal rotation is connected with pivot (5), drum (14) length direction setting is followed in pivot (5), pivot (5) fixed surface is connected with helical blade (51), pivot (5) are close to first logical groove (141) one end and stretch out drum (14) and shell (1) setting, the extension of pivot (5) is connected with drive assembly (6) that drive pivot (5) are rotatory, feed hopper (12) one end fixedly connected with bearing (52) are kept away from in drum (14), first logical groove (141) one end is kept away from in pivot (5) and is pegged graft in bearing (52).

6. The sand separator with a filtering function according to claim 5, wherein: the transmission assembly (6) comprises a driven synchronizing wheel (61) fixedly connected to the extending portion of the rotating shaft (5), the shell (1) is close to the driven synchronizing wheel (61) and is fixedly connected with a speed reducing motor (62), an output shaft of the speed reducing motor (62) is arranged along the length direction of the cylinder (14), an output shaft of the speed reducing motor (62) is fixedly connected with a driving synchronizing wheel (63), and a synchronous belt (64) is sleeved on the driving synchronizing wheel (63) and the driven synchronizing wheel (61) together.

7. The sand separator with a filtering function according to claim 6, wherein: the part of the rotating shaft (5) extending out of the cylinder (14) is fixedly connected with a blocking piece (53) close to the cylinder (14), the part of the rotating shaft (5) extending out of the cylinder (14) is sleeved with a spring (54), one end of the spring (54) is abutted to one side, close to the cylinder (14), of the shell (1), the other end of the spring (54) is abutted to the blocking piece (53), and the spring (54) provides force for the blocking piece (53) to be far away from the driven synchronizing wheel (61).

8. A sand separator having a filtering function according to claim 1, wherein: the second that has seted up in shell (1) corresponding first settling zone (2) position department leads to groove (15), shell (1) corresponds second and leads to groove (15) position department and rotates and be connected with first access door (7), first access door (7) can cover second and lead to groove (15), shell (1) one end fixedly connected with first stationary blade (71) are kept away from in first access door (7), first fixed logical groove (72) have been seted up in first stationary blade (71), shell (1) corresponds first fixed logical groove (72) position department fixedly connected with first fixing bolt (73), first fixing bolt (73) threaded connection has first fixation nut (74), first fixation nut (74) are close to shell (1) one side butt in first stationary blade (71).

9. A sand separator having a filtering function according to claim 1, wherein: the third that lead to groove (16) has been seted up in shell (1) corresponding second precipitation zone (3) position department, shell (1) corresponds third and leads to groove (16) position department and rotates and be connected with second access door (8), second access door (8) can cover third and lead to groove (16), shell (1) one end fixedly connected with second stationary blade (81) are kept away from in second access door (8), the fixed logical groove (82) of second has been seted up in second stationary blade (81), shell (1) corresponds fixed logical groove (82) position department fixedly connected with second fixing bolt (83) of second, second fixing bolt (83) threaded connection has second fixation nut (84), second fixation nut (84) are close to shell (1) one side butt in second stationary blade (81).

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