CN107931086B

CN107931086B - Sand washer

Info

Publication number: CN107931086B
Application number: CN201711219478.3A
Authority: CN
Inventors: 江晓丹; 林秋平
Original assignee: Shenzhen Jiangshi Enze Industrial Co ltd
Current assignee: Shenzhen Jiangshi Enze Industrial Co ltd
Priority date: 2017-11-28
Filing date: 2017-11-28
Publication date: 2024-03-29
Anticipated expiration: 2037-11-28
Also published as: CN107931086A

Abstract

The invention provides a sand washing machine which comprises a sand washing pool, a support frame fixedly connected to the sand washing pool, a rotating wheel rotatably connected to the support frame and a motor for driving the rotating wheel to rotate, wherein the rotating wheel comprises a rotating shaft erected on the support frame, a round screen connected to the rotating shaft through a support rod and a plurality of separation plates fixedly connected to the outer peripheral surface of the screen and arranged in parallel along the circumferential direction, a plurality of screen plates are fixedly connected between two adjacent separation plates, a first through hole is formed in the screen plate, and a second through hole is formed in the screen plate. According to the sand washing machine provided by the invention, the plurality of the partition plates and the screen plates are arranged, the first through holes are formed in the screen plates, and the second through holes are formed in the screen plates, so that when the rotating wheel rotates, the screen plates and the screen plates can enable mud in sand to pass through, sand washing is thorough, sand washing efficiency is improved, and reworking is not needed.

Description

Sand washer

Technical Field

The invention belongs to the technical field of sediment separation, and particularly relates to a sediment washing machine.

Background

There is a large amount of sand and mud in the construction waste, and the treatment of construction waste often involves separation of the mud from the sand to obtain purer sand and mud, respectively. The existing silt separation method generally comprises the steps of spraying water on sand, screening sand and stones by using a screen, and then filtering soil in the sand in a sand washing machine. However, the conventional sand washer still has the following problems: the sand washing machine is unreasonable in structure, so that the sand after sand washing has overlarge mud content, the sand washing efficiency is low, and reworking is needed.

Disclosure of Invention

The invention aims to provide a sand washer, which is improved in structure, thorough in sand washing, low in mud content after sand washing and high in sand washing efficiency.

In order to achieve the purpose of the invention, the invention provides the following technical scheme:

in a first aspect, the invention provides a sand washer, which comprises a sand washing pool, a support frame fixedly connected to the sand washing pool, a rotating wheel rotatably connected to the support frame, and a motor for driving the rotating wheel to rotate, wherein the rotating wheel comprises a rotating shaft erected on the support frame, a circular screen connected to the rotating shaft through a support rod, and a plurality of partition plates fixedly connected to the peripheral surface of the screen and arranged in parallel along the circumferential direction, a plurality of screen plates are fixedly connected between two adjacent partition plates, one end of each screen plate is connected to the screen, the other opposite end of each screen plate is arranged away from the screen plate and is inclined towards the moving direction of the rotating wheel, so that the included angle between the tangent line of the connecting point of each screen plate and the screen plate is an acute angle, the plurality of screen plates are distributed along the central array of the rotating shaft, a first through hole is formed in the screen plate, and a second through hole is formed in the screen plate.

In a first possible implementation manner of the first aspect, a plurality of flat plates are fixedly connected between two adjacent partition boards, the flat plates are arranged between two adjacent sieve boards, one end of each flat plate is connected to the screen, the opposite other end of each flat plate is far away from the screen, and the flat plates are inclined towards the moving direction of the rotating wheel, so that the tangent line of the connecting point of the flat plates and the screen is acute angle with the included angle of the flat plates, and the flat plates are arranged along the central array of the rotating shaft.

With reference to the first aspect and the first possible implementation manner of the first aspect, in a second possible implementation manner of the first aspect, the partition includes a first partition, a second partition, a third partition, a fourth partition and a fifth partition, an adjacent first screen plate and a first flat plate are disposed between the first partition and the second partition, an adjacent second screen plate and a second flat plate are disposed between the second partition and the third partition, an adjacent third screen plate and a third flat plate are disposed between the third partition and the fourth partition, an adjacent fourth screen plate and a fourth flat plate are disposed between the fourth partition and the fifth partition, the first screen plate is flush and coplanar with the third flat plate, and the first flat plate is flush and coplanar with the third screen plate.

With reference to the first aspect and the second possible implementation manner of the first aspect, in a third possible implementation manner of the first aspect, the second screen plate is flush with the fourth flat plate Ji Gongmian, and the second flat plate is flush with the fourth screen plate.

With reference to the first aspect and the third possible implementation manner of the first aspect, in a fourth possible implementation manner of the first aspect, the second screen plate is disposed at a middle position between the first screen plate and the first flat plate, and the second flat plate is disposed at a middle position between the first flat plate and the spaced first screen plate.

With reference to the first aspect and the second possible implementation manner of the first aspect, in a fifth possible implementation manner of the first aspect, the first partition plate and the fifth partition plate are located at an outermost side of the rotating wheel, and saw teeth distributed along a circumferential direction are provided on outer edges of the first partition plate and the fifth partition plate.

In a sixth possible implementation manner of the first aspect, the first through hole and the second through hole have the same structure, and a size of the first through hole is 1-10 mm.

In a seventh possible implementation manner of the first aspect, the sand washer further includes a water outlet, where the water outlet is disposed near an upper edge of the sand washing pool.

In an eighth possible implementation manner of the first aspect, a supporting platform is further connected to the sand washing pool, and the motor is disposed on the supporting platform.

In a ninth possible implementation manner of the first aspect, a feeding end is provided in a direction perpendicular to an axial direction of the rotating shaft, and the feeding end is obliquely arranged, so that sediment enters the sand washing pool under the action of gravity.

The invention has the beneficial effects that:

according to the sand washing machine provided by the invention, the plurality of the partition plates and the screen plates are arranged, the first through holes are formed in the screen plates, and the second through holes are formed in the screen plates, so that when the rotating wheel rotates, the screen plates and the screen plates can enable mud in sand to pass through, sand washing is thorough, sand washing efficiency is improved, and reworking is not needed.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from them without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of a sand washer according to one embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of the wheel of the sand washer of FIG. 1;

FIG. 3 is a schematic view of a screen deck structure of the sand washer of FIG. 1;

FIG. 4 is a schematic view of the flat plate structure of the sand washer of FIG. 1;

fig. 5 is a schematic view of the sand washer of fig. 1 in use.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, are intended to fall within the scope of the present invention.

Referring to fig. 1 to 5, a sand washer according to a preferred embodiment of the present invention includes a sand washer 1, a support frame 2 fixedly connected to the sand washer 1, a rotating wheel 10 rotatably connected to the support frame 2, and a motor 3 for driving the rotating wheel 10 to rotate, wherein the rotating wheel 10 includes a rotating shaft 4 erected on the support frame 2, a circular screen 6 connected to the rotating shaft 4 through a support rod 5, and a plurality of partition plates 11 fixedly connected to an outer peripheral surface of the screen 6 and disposed in parallel along a circumferential direction, a plurality of screen plates 12 are fixedly connected between two adjacent partition plates 11, one end of each screen plate 12 is connected to the screen 6, the opposite end of each screen plate 12 is disposed away from the screen 6 and is inclined toward a moving direction of the rotating wheel 10, so that an included angle a between a tangent line of a connection point of each screen plate 12 and the screen 6 and the screen plate 12 is an acute angle, the screen plates 12 are arranged in a central array along the rotating shaft 4, a first through hole (not shown in the figure) is formed in the screen plate 6, and a second through hole 121 is formed in the screen plate 12.

In this embodiment, through setting up a plurality of baffles 11 and sieve 12 to set up first through-hole on screen cloth 6, set up second through-hole 121 on sieve 12, make runner 10 when rotating, screen cloth 6 and sieve 12 can both make the mud in the sand pass through, wash the sand thoroughly, have improved and have washed sand efficiency, do not need to do the rework.

Specifically, the structures of the first through hole and the second through hole 121 may be different, for example, the first through hole is circular, the second through hole 121 is a strip-shaped hole, preferably, the structures of the first through hole and the second through hole 121 are the same, for example, both are through holes or are strip-shaped holes, and the size of the first through hole is 1-10 mm, where when the first through hole is a circular hole, the size refers to the diameter of the circle, and when the first through hole is a strip-shaped hole, the size refers to the size of the largest object that can pass through the hole. Further preferably, the size of the first through hole is 3-7 mm, and further preferably, the size of the first through hole is 4-6 mm.

Specifically, the support frame 2 sets up on the sand washing pond 1 on opposite both sides edge for runner 10 connects when on the support frame 2, the part of runner 10 is located sand washing pond 1, holds silt mixture in the sand washing pond 1, and the silt mixture's in a portion mud melts into water and forms muddy water after sand washing pond 1 lets in water, because sand is insoluble in water and general particle diameter is great, can not pass through first through-hole and second through-hole 121, and mud structure is unstable, and in the runner 10 rotation process, the mud of part particle diameter great is along with the friction with sand and runner 10 breaks down into the mud of little particle diameter, leaks down from first through-hole and second through-hole 121 and gets into sand washing pond 1 and contact with water and dissolve in water, accomplishes the sand washing.

Set up and offer the second through-hole 121 on the screen plate 12, compare the scheme that screen plate 12 did not offer the hole, because the mud that the particle diameter is great can leak down through first through-hole, also can leak on screen cloth 6 through the second through-hole 121, the rethread first through-hole leaks to wash sand pool 1 in mix with water, make mud decomposition rate faster, make the particle diameter of the mud that gets into in washing sand pool 1 smaller, more easily dissolve in water, make washing sand speed faster.

In this embodiment, the mud dissolved in water is located at the upper layer of the muddy water in the sand washing pool 1, and the separation of the mud in the sand is realized by pumping away the muddy water at the upper layer, so that the mud can be separated out by using a sedimentation process later, and the mud with higher purity is obtained.

In order to remove the muddy water in the sand washing pool 1, a water outlet 103 can be arranged on the sand washing pool 1, the water outlet 103 is arranged near the upper edge of the sand washing pool 1, the muddy water in the sand washing pool 1 can overflow out, and the water outlet 103 can be connected through a pipeline or a canal so as to carry away the muddy water. It will be appreciated that a plurality of water outlets 103 may be provided on the sand washing tank 1 for speed.

In this embodiment, the sand washing pool 1 is further connected with a supporting platform 7, and the motor 3 is disposed on the supporting platform 7. The supporting platform 7 comprises a supporting inclined plate 8, and the supporting platform 7 is arranged on the sand washing pool 1 to set the motor 3, so that the motor 3 is not required to be arranged on the site in a space-finding mode, the occupied space of equipment is optimized, and the production line is more compact.

In this embodiment, a feeding end 101 is disposed in a direction perpendicular to the axial direction of the rotating shaft 4, and the feeding end 101 is obliquely disposed, so that sediment enters the sand washing pool 1 under the action of gravity.

Specifically, the feeding end 101 may be one side of the sand washing tank 1, or an inclined plate structure may be separately arranged on the sand washing tank 1.

Further, a discharging end 102 may be disposed on the other side of the sand washing pool 1 opposite to the feeding end 101, and the discharging end 102 may also be disposed in an inclined manner, so that the sand washing pool 1 is boat-shaped.

In one embodiment, referring to fig. 1 and fig. 2, a plurality of flat plates 13 are fixedly connected between two adjacent partition boards 11, the flat plates 13 are arranged between two adjacent sieve plates 12, one end of each flat plate 13 is connected to the screen 6, the opposite other end is far away from the screen 6, and the flat plates are inclined towards the moving direction of the rotating wheel 10, so that the tangent line of the connection point of the flat plates 13 and the screen 6 and the included angle b of the flat plates 13 are acute angles, and a plurality of flat plates 13 are arranged along the central array of the rotating shaft 4.

In particular, the screen panels 12 and the flat panels 13 are staggered between two adjacent baffles 11, in a preferred embodiment the screen panels 12 and the flat panels 13 being inclined at the same angle on the screen 6. In a further preferred embodiment the distance between the screen plate 12 and two adjacent flat plates 13 is equal and the distance between a flat plate 13 and two adjacent screen plates 12 is equal.

Because the sediment mixture also contains sand with smaller grain size, the sand with smaller grain size can leak down through the screen plate 12 and the screen 6, so that the sand pushed forward when the rotating wheel 10 rotates is less, the flat plate 13 is arranged, no holes are formed in the flat plate 13, the sand with smaller grain size is received by the flat plate 13 after leaking down through the screen plate 12, and then the sand is pushed forward along with the rotation of the rotating wheel 10, so that the discharging speed of the sand is improved.

Further, the partition boards comprise a first partition board 11, a second partition board 21, a third partition board 31, a fourth partition board 41 and a fifth partition board 51, a first sieve board 12 and a first flat board 13 which are adjacent are arranged between the first partition board 11 and the second partition board 21, a second sieve board 22 and a second flat board 23 which are adjacent are arranged between the second partition board 21 and the third partition board 31, a third sieve board 32 and a third flat board 33 which are adjacent are arranged between the third partition board 31 and the fourth partition board 41, a fourth sieve board 42 and a fourth flat board 43 which are adjacent are arranged between the fourth partition board 41 and the fifth partition board 51, the first sieve board 12 and the third flat board 33 are flush and coplanar, and the first flat board 13 and the third sieve board 32 are flush and coplanar.

Through the arrangement, the partition plates are increased, so that the effective use area of the rotating wheel 10 is increased, and through the arrangement that the first sieve plate 12 is flush and coplanar with the third sieve plate 33, the first flat plate 13 is flush and coplanar with the third sieve plate 32, the sand pushing speed between the partition plates is different, and the discharge end 102 can obtain a relatively continuous sand discharging speed, so that the layout of the subsequent process is facilitated.

Further, the second screening deck 22 is flush and coplanar with the fourth flat panel 43, and the second flat panel 23 is flush and coplanar with the fourth screening deck 42. Further maintaining the sand discharge rate continuous.

Further, the second screen 22 is disposed at a middle position between the first screen 12 and the first plate 13, and the second plate 23 is disposed at a middle position between the first plate 13 and the first screen 12. So set up, the advantage of the maximize has utilized a plurality of baffles, compares the scheme that a baffle or a plurality of baffles but the whole parallel and level of sieve wherein set up, and the ejection of compact is continuous stable, and the required driving force on the runner 10 is comparatively stable all the time in addition, has also saved the consumption of motor 3.

Wherein, the first partition plate 11 and the fifth partition plate 51 are located at the outermost side of the rotating wheel 10, and the outer edges of the first partition plate 11 and the fifth partition plate 51 are provided with saw teeth 52 distributed along the circumferential direction. The purpose of the serrations 52 is to loosen the silt mixture on the side of the basin 1 and to avoid seizing the wheel 10.

Referring to fig. 5, a schematic diagram of the sand washer in the practical use process of the present embodiment is shown, wherein 4 sand washers are serially connected, wherein a feeding end 101 enters a silt mixture 01, water is introduced to form muddy water, a rotating wheel 10 rotates clockwise, the muddy water and sand in the silt mixture 01 are fully stirred and are driven to rotate, the muddy water and sand are frictionally decomposed with the rotating wheel 10, and the muddy water leaks from a screen and a sieve plate in the rotating wheel 10 into a sand washing pool and is dissolved in the water, a structure for pumping muddy water on the upper layer in the sand washing pool is omitted, and washed sand is discharged from a discharging end 102 to complete the sand washing process.

Because the modern production line requires high sand washing efficiency and large sand discharge amount, in actual production, although a single sand washer can achieve a good sand washing effect, the sand content in washed sand can be very low, but the sand discharge amount of the single sand washer is small, and a mode that a plurality of sand washers are connected in series is adopted, wherein the technical requirement of each sand washer is slightly lower than that of the case of using the single sand washer, so that the aim of discharging a large amount of sand is fulfilled, and 4 sand washers connected in series are taken as an example: the discharge end 102 of the first sand washer is tightly abutted against the feed end 201 of the second sand washer, the discharge end 202 of the second sand washer is tightly abutted against the feed end 301 of the third sand washer, the discharge end 302 of the third sand washer is tightly abutted against the feed end 401 of the fourth sand washer, the discharge end 402 of the fourth sand washer is connected with a discharge structure 02, such as a conveyor belt, and the like, so that the first rotating wheel 10, the second rotating wheel 20, the third rotating wheel 30 and the fourth rotating wheel 40 rotate clockwise to stir sediment mixtures in respective sand washing pools and push the sand forwards respectively, mud flows away from the muddy water in the respective sand washing pools, and the purity of the finally obtained sand at the discharge structure 02 is high through the sand washing of the 4 sand washers, and the mud content is low.

The above disclosure is only a preferred embodiment of the present invention, and it should be understood that the scope of the invention is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent modifications of the claims, and still fall within the scope of the present invention.

Claims

1. The sand washing machine is characterized by comprising a sand washing pool, a support frame fixedly connected to the sand washing pool, a rotating wheel rotationally connected to the support frame and a motor for driving the rotating wheel to rotate, wherein the rotating wheel comprises a rotating shaft erected on the support frame, a round screen connected to the rotating shaft through a support rod and a plurality of partition boards fixedly connected to the peripheral surface of the screen and arranged in parallel along the circumferential direction, a plurality of screen boards are fixedly connected between two adjacent partition boards, one end of each screen board is connected to the screen, the other opposite end of each screen board is far away from the screen board and is inclined towards the moving direction of the rotating wheel, so that the tangential line of the connecting point of each screen board and the screen board is an acute angle, the screen boards are distributed along the central array of the rotating shaft, a first through hole is formed in each screen board, and a second through hole is formed in each screen board;

a plurality of flat plates are fixedly connected between two adjacent baffle plates, the flat plates are arranged between two adjacent screen plates, one end of each flat plate is connected to the screen, the opposite other end of each flat plate is far away from the screen and inclines towards the moving direction of the rotating wheel, so that the included angle between the tangent line of the connecting point of each flat plate and the screen and the flat plate is an acute angle, and the flat plates are arranged in an array along the center of the rotating shaft;

the distance between the sieve plate and the two adjacent flat plates is equal, and the distance between the flat plates and the two adjacent sieve plates is equal.

2. The sand washer of claim 1, wherein the separator comprises a first separator, a second separator, a third separator, a fourth separator, and a fifth separator, wherein adjacent first screen panels and first flat panels are disposed between the first separator and the second separator, adjacent second screen panels and second flat panels are disposed between the second separator and the third separator, adjacent third screen panels and third flat panels are disposed between the third separator and the fourth separator, adjacent fourth screen panels and fourth flat panels are disposed between the fourth separator and the fifth separator, the first screen panels are flush with the third flat panels, and the first flat panels are flush with the third screen panels.

3. The sand washer of claim 2 wherein the second screen is flush with the fourth screen plane Ji Gongmian, the second screen being flush and coplanar with the fourth screen plane.

4. The sand washer of claim 3, wherein the second screen is disposed at a mid-position between the first screen and the first plate, and the second plate is disposed at a mid-position between the first plate and the spaced first screen.

5. The sand washer of claim 2, wherein the first and fifth baffles are located outermost of the wheel, and the outer edges of the first and fifth baffles are provided with circumferentially distributed serrations.

6. The sand washer of claim 1, wherein the first through hole has the same structure as the second through hole, and the size of the first through hole is 1-10 mm.

7. The sand washer of claim 1, further comprising a water outlet disposed near an upper edge of the sand washing tank.

8. The sand washer of claim 1, wherein the sand washing tank is further connected with a support platform, and the motor is arranged on the support platform.

9. The sand washer of claim 1, wherein a feed end is provided in a direction perpendicular to an axial direction of the rotating shaft, the feed end being inclined so that silt enters the sand washing tank by gravity.