CN114042628A

CN114042628A - Sand-powder separating device

Info

Publication number: CN114042628A
Application number: CN202111364555.0A
Authority: CN
Inventors: 张裕豪
Original assignee: Ziyang Guangwei Intelligent Equipment Co ltd
Current assignee: Ziyang Guangwei Intelligent Equipment Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-02-15

Abstract

The invention discloses a sand-powder separating device, which comprises a machine body, wherein a vibration cavity is arranged in the machine body, a floating vibration support is arranged in the vibration cavity, the vibration support is provided with a vibration mechanism, the vibration support is provided with a screening mechanism, and the screening mechanism is provided with a sand-stone collecting mechanism; the machine body is provided with a feeding port, and a dispersing mechanism used for dispersing the sand powder to the screening mechanism is arranged below the feeding port; the machine body is provided with a stone powder collecting mechanism and an air supply mechanism, and a feed inlet of the stone powder collecting mechanism and an air outlet of the air supply mechanism are communicated with the vibration cavity. According to the invention, through the action of the air supply mechanism and the stone powder collection mechanism, the separation effect of the sand stone and the stone powder can be greatly improved, the stone powder in the sand stone is reduced, the quality of the sand stone is improved, the content of the stone powder in the building material produced by taking the machine sand as the raw material is reduced, and the quality of the building material is more stable.

Description

Sand-powder separating device

Technical Field

The invention relates to the technical field of stone processing equipment, in particular to a sand-powder separating device.

Background

Because of the increasing scarcity of natural sand resources, industrial structures are adjusted and transformed to machine-made gravels, and the machine-made gravels become the main direction of industry development. The natural sand resources are exhausted day by day, the national protection on the natural sand resources is stricter and stricter, and on the contrary, the rapid development of urban construction accelerates the demand of raw materials such as sand stones and the like. On the other hand, the characteristics of high and large modern buildings and the improvement of the shockproof requirement obviously improve the requirements of quality, energy conservation and environmental protection of engineering building materials, and particularly important engineering projects of some countries, such as: the requirements of projects such as bridges, tunnels, highways, light rail subways and the like on gravels are very strict, but the quality of natural gravels is unstable, the mud content is high, and the construction requirements can not be met. Therefore, the machine-made sand replaces natural sand and has become the inevitable trend of the development of the concrete building material market, and the three-dimensional sand making line in the market has small floor area and low energy consumption and is more and more accepted by the market.

The screening of prior art to mechanism sand mainly realizes through the shale shaker, and to single-deck sieve as an example, building stones get into the shale shaker through the entry, through the screen cloth, exports the small powder through the small powder delivery outlet, and the big powder is exported through the big powder delivery outlet, and at this in-process, utilizes the dust remover with dust follow dust removal mouth suction. When the existing vibrating screen is used for screening materials, because the sand stone and the stone powder are wrapped together, only a small part of the stone powder in the sand stone can be removed by a dust remover, the sand-powder separation efficiency is low, and the finally screened finished materials also need to enter a powder concentrator for secondary treatment; in addition, the existing vibrating screen is difficult to realize the sand-stone proportioning screening of different-diameter grains, and the structure is usually complex, the sand-stone screening efficiency is low, the occupied area is large, and the energy consumption is high.

Disclosure of Invention

The invention aims to provide a sand-powder separating device, which solves the problems that a vibrating screen in the prior art can only remove a small part of stone powder in sand and stone, and the sand-powder separating efficiency is low.

In order to achieve the purpose, the invention adopts the following technical scheme: a sand-powder separating device comprises a machine body, wherein a vibration cavity is arranged in the machine body, a floating vibration support is arranged in the vibration cavity, the vibration support is provided with a vibration mechanism in a matching manner, a screening mechanism is arranged on the vibration support, and the screening mechanism is provided with a sand-stone collecting mechanism in a matching manner; the machine body is provided with a feeding port, and a dispersing mechanism used for dispersing the sand powder to the screening mechanism is arranged below the feeding port; the machine body is provided with a mountain flour collecting mechanism and an air supply mechanism, and a feed inlet of the mountain flour collecting mechanism and an air outlet of the air supply mechanism are communicated with the vibration cavity.

As an alternative of the invention, a stone powder collecting channel is arranged between the air supply mechanism and the stone powder collecting mechanism, and the wind direction of the stone powder collecting channel is opposite to the sand powder flow direction of the screening mechanism.

As an alternative of the present invention, the screening mechanism includes a discharging plate and a plurality of layers of screening plates, the plurality of layers of screening plates are disposed above the discharging plate, and the discharging plate and the plurality of layers of screening plates are both obliquely disposed on the vibration support.

As an alternative scheme of the invention, the sand and stone collecting mechanism comprises a first sand and stone collecting bin and a second sand and stone collecting bin, the first sand and stone collecting bin is arranged at the bottom end of the screening plate, the second sand and stone collecting bin is arranged at the bottom end of the discharging plate, and the first sand and stone collecting bin and the second sand and stone collecting bin are both connected with conveying screws.

As an alternative scheme of the invention, a first air supply gap is formed between the discharge plate and the second sand and stone collecting bin, a second air supply gap is formed between the screening plate and the first sand and stone collecting bin, and fresh air of the air supply mechanism passes through the first air supply gap and the second air supply gap and supplies powder in the vibration cavity to the stone powder collecting mechanism.

As an alternative of the invention, the mountain flour collecting mechanism comprises a mountain flour collecting bin, the mountain flour collecting bin is arranged at the top of the machine body, and the mountain flour collecting bin is provided with an air draft mechanism and a re-removing mechanism.

As an alternative of the invention, the feeding hole of the mountain flour collecting bin is located at the top of the uppermost screening plate in the screening mechanism.

As an alternative of the invention, the dispersing mechanism comprises two obliquely arranged dispersing plates, the top ends of the two dispersing plates are connected, the joint of the two dispersing plates is positioned below the material inlet, the bottom ends of the two dispersing plates are respectively provided with a screening mechanism, and two sides of the material inlet are respectively provided with a stone powder collecting mechanism.

As an alternative of the invention, the dispersion plate is mounted on the vibration cradle.

As an alternative of the invention, a spring is connected between the inner wall of the vibration chamber and the vibration support.

The invention has the beneficial effects that:

1. the invention provides a sand-powder separating device, wherein a machine body is provided with a stone powder collecting mechanism and an air supply mechanism, and a feeding hole of the stone powder collecting mechanism and an air outlet of the air supply mechanism are both communicated with a vibration cavity. According to the invention, through the action of the air supply mechanism and the stone powder collection mechanism, the separation effect of the sand stone and the stone powder can be greatly improved, the stone powder in the sand stone is reduced, the quality of the sand stone is improved, the content of the stone powder in the building material produced by taking the machine sand as the raw material is reduced, and the quality of the building material is more stable.

2. The screening mechanism comprises a discharge plate and a plurality of layers of screening plates, the screening plates can realize the function of screening the gravels with different particle sizes, and under the action of the air supply mechanism and the mountain flour collecting mechanism, fresh air passes through the sieve pores of the screening plates to drive the mountain flour to move upwards along the screening plates and finally enter the mountain flour collecting mechanism. The sand-stone separation device can obtain the sand-stone proportions of different particle sizes, not only realizes sand-powder separation, but also realizes sand-stone classification, and has the advantages of simple structure, high sand-stone screening efficiency and higher practicability.

3. The dispersing mechanism comprises two obliquely arranged dispersing plates, and under the action of the two dispersing plates, the sand powder moves downwards along the two dispersing plates and then enters the screening mechanism. The invention can realize the high-efficiency screening of the sand and stone, and has small occupied area, low energy consumption and higher practicability.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention.

In the figure: 1-body; 2-vibrating the support; 3-a feeding port; 4-an air supply mechanism; 5-discharging the material plate; 6-upper screening plate; 7-lower screening plate; 8-a first sand collection bin; 9-a second sand collection bin; 10-stone powder collecting bin; 11-a re-removing mechanism; 12-dispersing plate.

Detailed Description

Examples

As shown in fig. 1, this embodiment provides a sand-powder separator, including organism 1, be equipped with the vibration chamber in the organism 1, be equipped with unsteady vibration support 2 in the vibration chamber, vibration support 2 sets vibrating mechanism, adopts the flexible coupling between vibration support 2 and the organism 1, and concrete accessible spring coupling, all adopt the spring to be connected with the inner wall in vibration chamber around top, the bottom of vibration support 2 promptly, make vibration support 2 float about can going up and down in the vibration chamber, realize the vibration function of vibration support 2, vibrating mechanism can adopt the structure of motor cooperation eccentric wheel, vibrating mechanism is used for driving vibration support 2 and takes place the vibration.

Be equipped with screening mechanism on the vibration support 2, screening mechanism sets and has set grit collection mechanism. Screening mechanism is used for screening not unidimensional grit, and the grit that obtains is collected through grit collection mechanism. The top of the machine body 1 is provided with a feeding port 3, a dispersing mechanism used for dispersing sand powder on the screening mechanism is arranged below the feeding port 3, and the dispersing mechanism is used for dispersing the sand powder of the feeding port 3 and enhancing the work efficiency of sand powder separation. The machine body 1 is provided with a stone powder collecting mechanism and an air supply mechanism 4, and a feeding hole of the stone powder collecting mechanism and an air outlet of the air supply mechanism 4 are communicated with the vibration cavity. The air supply mechanism 4 supplies fresh air to the vibration cavity to promote the movement of the sand, and the stone powder collection mechanism collects the sand separated in the vibration cavity. According to the invention, through the action of the air supply mechanism 4 and the stone powder collection mechanism, the separation effect of the sand stone and the stone powder can be greatly improved, the stone powder in the sand stone is reduced, the quality of the sand stone is improved, the content of the stone powder in the building material produced by taking the machine sand as the raw material is reduced, and the quality of the building material is more stable.

In this embodiment, dispersion mechanism includes the dispersion board 12 that two slopes set up, and the top of two dispersion boards 12 links to each other and the two junction is located the below of pan feeding mouth 3, the bottom of two dispersion boards 12 all is equipped with screening mechanism, and the both sides of pan feeding mouth 3 all are equipped with the mountain flour and collect the mechanism. The two dispersion plates 12 are positioned at two sides of the bottom of the feeding port 3, sand powder enters the feeding port 3, and under the action of the two dispersion plates 12, the sand powder moves downwards along the two dispersion plates 12 and then enters the screening mechanism. Preferably, the dispersion plate 12 is mounted on the vibration support 2, and the dispersion plate 12 can vibrate along with the vibration support 2, so as to facilitate the dispersion of the sand powder. The dispersion board 12 and the screening mechanism of 3 both sides of pan feeding mouth are symmetrical to be set up, can realize the high efficiency screening of grit, and its area is little moreover, and the energy consumption is low, has higher practicality.

Specifically, a stone powder collecting channel is arranged between the air supply mechanism 4 and the stone powder collecting mechanism, and the wind direction of the stone powder collecting channel is opposite to the flow direction of the sand powder of the screening mechanism. In the vibration intracavity, the sand powder moves from the top down, and upward movement is down followed to the new trend of air supply mechanism 4, and the wind direction that the passageway was collected to the mountain flour is opposite with the sand powder flow direction of screening mechanism, and the sand powder is at the vibration in-process, collects the effect of mechanism through air supply mechanism 4 and mountain flour, can improve grit and mountain flour separation effect greatly, improves the quality of grit.

Screening mechanism includes play flitch 5 and a plurality of layer screening board, and a plurality of layers screening board sets up in the top of going out flitch 5, goes out flitch 5 and a plurality of layers screening board and all inclines to set up on the vibration support 2. In this embodiment, the screening board has two, be upper screening board 6 and lower floor screening board 7 respectively, lower floor screening board 7 is located between upper screening board 6 and the play flitch 5, the sieve mesh of upper screening board 6 is 2.5mm, the sieve mesh of lower floor screening board 7 is 1.18mm, the separable footpath of upper screening board 6 is greater than the coarse grit of 2.5mm, the separable footpath of lower floor screening board 7 is greater than the medium grit of 1.18mm and is less than 2.5mm, the fine grit that the footpath granule is less than 1.18mm falls on going out flitch 5, the grit of different footpath granule is collected through grit collection mechanism. Because play flitch 5, upper screen plate 6 and lower floor's screen plate 7 all incline to set up on vibration bracket 2, vibration bracket 2 takes place to vibrate under vibration mechanism's effect, go out flitch 5, upper screen plate 6 and lower floor's screen plate 7 vibrate along with vibration bracket 2 together, realize the grit screening function of different footpath grains, and simultaneously, under the effect that air supply mechanism 4 and mountain flour collected the mechanism, the sieve mesh of screen plate is worn to the new trend, take the mountain flour along the screen plate upward movement, finally get into in the mountain flour collects the mechanism. The sand-stone separation device can obtain the sand-stone proportions of different particle sizes, not only realizes sand-powder separation, but also realizes sand-stone classification, and has the advantages of simple structure, high sand-stone screening efficiency and higher practicability.

Storehouse 8 and second grit collection storehouse 9 are collected to grit collection mechanism includes first grit, the bottom of upper strata screening board 6 and lower floor's screening board 7 all sets up first grit and collects storehouse 8, the bottom that goes out flitch 5 sets up storehouse 9 is collected to the second grit, storehouse 8 is collected to first grit and storehouse 9 is collected to the second grit all is connected with conveyor screw, delivers off the grit through conveyor screw, selects suitable ratio to use as required.

Go out that flitch 5 and second grit are collected and are equipped with first air supply clearance between the storehouse 9, it is equipped with second air supply clearance to screen board and first grit to collect between the storehouse 8, the new trend of air supply mechanism 4 passes first air supply clearance and second air supply clearance to send the powder in the vibration chamber to the mountain flour is collected the mechanism. When the grit that goes out flitch 5 passed first air supply clearance and falls into second grit and collect storehouse 9, when the grit of screening board passed second air supply clearance and falls into first grit and collect storehouse 8, during air supply mechanism 4's new trend got into the vibration chamber, at first the local high-speed new trend passed first air supply clearance and second air supply clearance, realized the strong separation of sand powder, was favorable to collecting the mountain flour.

The mountain flour is collected the mechanism and is included mountain flour collection bin 10, mountain flour collection bin 10 sets up at 1 top of organism, and mountain flour collection bin 10 is equipped with exhaust mechanism and heavily removes mechanism 11. The feed inlet of the stone powder collecting bin 10 is positioned at the top of the upper screening plate 6 in the screening mechanism. A small amount of sand and stone can be collected in the stone powder collecting bin 10, and the excessive fine sand and stone in the stone powder collecting bin 10 can be recovered by the heavy-duty removing mechanism 11, so that sand-powder separation is realized. The specific structure of the removing mechanism 11 is prior art and will not be described in detail herein.

Air supply mechanism 4 sets up in organism 1 bottom, and the new trend gets into to change from high-speed new trend, intermediate speed new trend and low-speed new trend in the vibration chamber gradually. A third gap exists between the dispersion plate 12 and the upper-layer screening plate 6, when sand falls from the dispersion plate 12 to the upper-layer screening plate 6, low-speed fresh air of the air supply mechanism 4 passes through the third air supply gap, so that preliminary separation of sand and stone powder can be realized, and the separated stone powder directly enters the stone powder collecting bin 10; the gravel moves from top to bottom along the upper-layer screening plate 6, the lower-layer screening plate 7 and the discharging plate 5, the medium-speed fresh air moves from bottom to top along the discharging plate 5, the upper-layer screening plate 6 and the lower-layer screening plate 7, and meanwhile the medium-speed fresh air passes through the sieve pores of the upper-layer screening plate 6 and the lower-layer screening plate 7, so that the stone powder in the gravel can be further separated; when the grit of play 5 bottoms of flitch passes first air supply clearance and falls into second grit and collect storehouse 9, when the grit of screening board bottom passes the second air supply clearance and falls into first grit and collect storehouse 8, high-speed new trend passes first air supply clearance and second air supply clearance, realizes the strong separation of grit and mountain flour, can detach most mountain flour in the grit. The method can effectively remove the stone powder in the sand, can obtain clean and high-quality sand and stone material for concrete, and ensures the quality of the prepared concrete.

In the description of the present invention, the terms "mounted," "connected," "fixed," and the like are to be understood broadly and may be fixedly connected, detachably connected, or integrated; may be a mechanical or electrical connection; either directly or indirectly through intervening media, either internally or in any other relationship. Those skilled in the art will understand the specific meaning of the above terms in the present invention. Furthermore, the particular features, structures, etc. described in the examples can be included in at least one implementation and can be combined by one skilled in the art without conflicting therewith. The protection scope of the present invention is not limited to the above specific examples, and embodiments that can be imagined by those skilled in the art without creative efforts based on the basic technical concept of the present invention belong to the protection scope of the present invention.

Claims

1. A sand-powder separation device comprises a machine body (1) and is characterized in that a vibration cavity is arranged in the machine body (1), a floating vibration support (2) is arranged in the vibration cavity, the vibration support (2) is provided with a vibration mechanism, a screening mechanism is arranged on the vibration support (2), and the screening mechanism is provided with a sand-stone collection mechanism; the machine body (1) is provided with a feeding port (3), and a dispersing mechanism used for dispersing sand powder onto the screening mechanism is arranged below the feeding port (3); the machine body (1) is provided with a stone powder collecting mechanism and an air supply mechanism (4), and a feeding hole of the stone powder collecting mechanism and an air outlet of the air supply mechanism (4) are communicated with the vibration cavity.

2. The sand-powder separating device as claimed in claim 1, wherein a stone powder collecting channel is arranged between the air supply mechanism (4) and the stone powder collecting mechanism, and the wind direction of the stone powder collecting channel is opposite to the sand powder flow direction of the screening mechanism.

3. The sand-powder separating device according to claim 2, wherein the screening mechanism comprises a discharge plate (5) and a plurality of layers of screening plates, the plurality of layers of screening plates are arranged above the discharge plate (5), and the discharge plate (5) and the plurality of layers of screening plates are obliquely arranged on the vibrating bracket (2).

4. The sand-powder separating device according to claim 3, wherein the sand-stone collecting mechanism comprises a first sand-stone collecting bin (8) and a second sand-stone collecting bin (9), the bottom end of the screening plate is provided with the first sand-stone collecting bin (8), the bottom end of the discharging plate (5) is provided with the second sand-stone collecting bin (9), and the first sand-stone collecting bin (8) and the second sand-stone collecting bin (9) are both connected with conveying screws.

5. The sand-powder separating device according to claim 4, wherein a first air supply gap is arranged between the discharging plate (5) and the second sand-stone collecting bin (9), a second air supply gap is arranged between the screening plate and the first sand-stone collecting bin (8), and fresh air of the air supply mechanism (4) passes through the first air supply gap and the second air supply gap and supplies powder in the vibration cavity to the stone powder collecting mechanism.

6. The sand-powder separating device as claimed in claim 1, wherein the stone powder collecting mechanism comprises a stone powder collecting bin (10), the stone powder collecting bin (10) is arranged at the top of the machine body (1), and the stone powder collecting bin (10) is provided with an air draft mechanism and a heavy removing mechanism (11).

7. The sand-powder separating device as claimed in claim 6, wherein the feeding port of the stone powder collecting bin (10) is positioned at the top of the uppermost screening plate in the screening mechanism.

8. The sand-powder separating device according to claim 1, wherein the dispersing mechanism comprises two dispersing plates (12) which are obliquely arranged, the top ends of the two dispersing plates (12) are connected, the joint of the two dispersing plates is positioned below the feeding port (3), the bottom ends of the two dispersing plates (12) are provided with the screening mechanism, and the two sides of the feeding port (3) are provided with the stone powder collecting mechanism.

9. Sand-powder separation device according to claim 8, characterised in that the dispersion plate (12) is mounted on the vibration cradle (2).

10. The sand-powder separating device according to claim 1, characterized in that a spring is connected between the inner wall of the vibration cavity and the vibration bracket (2).