CN215557436U - Double-auger sand-stone separator - Google Patents

Abstract

The utility model discloses a double-auger sand-stone separator, which comprises a main frame, wherein a screen stone separating device and two sand conveying devices are arranged on the main frame, the screen stone separating device comprises a first driving motor and a screen drum, the first driving motor is connected with the screen drum, the screen drum is rotatably connected with the main frame, a first auger is arranged on the inner wall of the screen drum, a first drum section and a second drum section are arranged on the screen drum, the diameter of a sieve pore on the first drum section is larger than that of the sieve pore on the second drum section, the sand conveying device comprises a second driving motor and a conveying shaft, the second driving motor is connected with the conveying shaft, the conveying shaft is rotatably connected with the main frame, the conveying shaft is provided with a second auger, the two conveying shafts are respectively positioned under the first drum section and the second drum section, the bottom of the screen drum is provided with two mortar bins, the two conveying shafts are respectively positioned in the two mortar bins, realize more meticulous grit separation, and separation efficiency is high, and separation effect is good.

Description

Double-auger sand-stone separator

Technical Field

The utility model belongs to the field of waste concrete treatment equipment, and particularly relates to a double-auger sand-stone separator.

Background

With the vigorous development of the building industry in China, concrete is widely applied to various buildings. The concrete mixing and conveying vehicle, the concrete mixing plant, the concrete mixing building and other equipment need to be cleaned and maintained after the operation of one day is finished. On the general site, only there are car wash place and a certain volume thick liquid pond, above-mentioned equipment all is washd everywhere, and sand, stone and thick liquid water are not separated, can cause groundwater source to pollute and urban sewer pipe blockage firstly, do not accord with the environmental protection requirement, secondly the waste material of a large amount of caking piles up like the mountain, causes the waste in a large number of grit resources. At present, waste concrete of domestic mixing plants is mainly separated and recycled by a sand-stone separator after being cleaned by a sand-stone cleaning machine, which is very troublesome. In addition, the existing sand-stone separator needs to feed materials through a guide chute, a long slope platform is required to be arranged on a foundation field of the waste concrete recovery system in a matched mode to assist the concrete truck to feed materials, the occupied area is large, great trouble is brought to the overall arrangement of the whole waste concrete recovery system, and even if the waste concrete recovery system is arranged reluctantly, great interference is caused to the travelling directions of a mixer truck, a forklift truck and the like.

The patent with publication number CN206824002U discloses a sand-stone separator, be equipped with branch stone machine case and grit conveyor in its frame, divide the incasement of stone machine to be provided with the screen cloth and divide stone device, grit conveyor is located the one side of dividing the stone machine case, be provided with the overflow box in the frame, the overflow is to connecting screen cloth branch stone device and grit conveyor respectively, in using, send the abandonment concrete into the screen cloth and divide the stone device, divide the stone device through the screen cloth and separate stone and slurry water and grit, slurry water falls into the overflow box with the grit, the grit separation in the overflow box is carried to rethread grit conveyor to realize the integration separation of stone, sand and slurry water.

However, the existing concrete uses gravels with different sizes, and the patent only can simply separate larger stones from smaller gravels, so that the effect of separating the gravels is poor.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a double-auger sand-stone separator which can realize more fine sand-stone separation and has high separation efficiency.

In order to achieve the purpose, the utility model provides the following technical scheme: a double-auger sand-stone separator comprises a main frame, wherein a screen stone separating device and two sand conveying devices are arranged on the main frame, the screen stone separating device comprises a first driving motor and a screen drum, the first driving motor is connected with the screen drum, the screen drum is rotationally connected with the main frame, a first auger is arranged on the inner wall of the screen drum, a first drum section and a second drum section are arranged on the screen drum, the diameter of a sieve pore on the first drum section is larger than that of a sieve pore on the second drum section, the sand conveying devices comprise a second driving motor and a conveying shaft, the second driving motor is connected with the conveying shaft, the conveying shaft is rotationally connected with the main frame, the second auger is arranged on the conveying shaft, the two conveying shafts are respectively positioned under the first drum section and the second drum section, two mortar bins are arranged at the bottom of the screen drum, the two conveying shafts are respectively positioned in the two mortar bins.

Furthermore, inclined material guide plates are arranged on two sides of the mortar bin, and the two adjacent material guide plates are connected with each other.

Furthermore, a transition section is arranged between the first roller section and the second roller section and is positioned above the connecting ends of the two material guide plates.

Further, be provided with the stone outlet on the host computer frame, the stone outlet is located the below of the discharge gate of first cylinder section, and the stone outlet is located two sand conveyor's same one side simultaneously.

Further, the bottom of the mortar bin is arc-shaped.

Compared with the prior art, the utility model has the beneficial effects that: when the waste concrete is separated, the waste concrete is firstly sent to the first roller section, the screen roller is driven to rotate by the first driving motor, fine sand and most of muddy water in the waste concrete fall into a mortar bin below the screen hole of the first roller section, the fine sand is deposited at the bottom of the mortar bin, then the second driving motor drives the conveying shaft to rotate, a second auger on the conveying shaft lifts and conveys the fine sand at the bottom of the mortar bin, the waste concrete after the fine sand is separated is conveyed to a second roller section by a first auger, when the coarse sand passes through the sieve pores on the second roller section, the coarse sand falls into a mortar bin and is conveyed by a second auger, the rest stones are accumulated below the main frame through a stone outlet on the main frame, thereby realize carrying out more meticulous separation to the grit of equidimension not in the abandonment concrete, and the separation efficiency of grit is high, and separation effect is good.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of a double-auger sand-stone separator according to the present invention;

FIG. 2 is a schematic side view of a double auger sand separator;

fig. 3 is a schematic sectional view taken along the line a-a in fig. 2.

Reference numerals: 1. a host frame; 2. a screen stone separating device; 21. a first drive motor; 22. a first auger; 23. a first drum segment; 24. a second drum segment; 25. a transition section; 26. a stone outlet; 3. a sand conveying device; 31. a second drive motor; 32. a delivery shaft; 33. a second auger; 34. a mortar bin; 35. a material guide plate.

Detailed Description

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the utility model, "a number" or "a number" means two or more unless explicitly specified otherwise.

The present invention is further explained with reference to fig. 1 to 3.

A double-auger sand-stone separator comprises a main frame 1, a screen stone separating device 2 and two sand conveying devices 3 are arranged on the main frame, the screen stone separating device 2 comprises a first driving motor 21 and a screen drum, the first driving motor 21 is connected with the screen drum, the screen drum is rotatably connected with the main frame 1, a first auger 22 is arranged on the inner wall of the screen drum, a first drum section 23 and a second drum section 24 are arranged on the screen drum, the sieve pore diameter on the first drum section 23 is larger than that of the second drum section 24, the sand conveying devices 3 comprise a second driving motor 31 and a conveying shaft 32, the second driving motor 31 is connected with the conveying shaft 32, the conveying shaft 32 is rotatably connected with the main frame 1, a second auger 33 is arranged on the conveying shaft 32, the two conveying shafts 32 are respectively positioned under the first drum section 23 and the second drum section 24, the bottom of the screen drum is provided with two mortar bins 34, and the two conveying shafts 32 are respectively positioned in the two mortar bins 34.

Preferably, the main frame 1 is provided with a feeding pipe, and one end of the feeding pipe extends into the second roller section 24.

As shown in fig. 1 to 3, the first driving motor 21 is started to drive the screen drum to rotate, then the exhaust gas concrete is sent into the second rolling section of the screen drum through the feeding pipe, along with the rotation of the screen drum, gravel (fine sand) with smaller diameter and most of muddy water fall into the corresponding mortar bin 34 below the second rolling section from the screen hole of the second rolling section 24 and are deposited to the bottom of the mortar bin 34, then the second driving motor 31 is started to drive the conveying shaft 32 to rotate, the second packing auger 33 takes up and conveys the fine sand at the bottom of the mortar bin 34 to the outside, gravel (coarse sand) with larger diameter and stones are conveyed into the first rolling section through the rotation of the first packing auger 22, then coarse sand and a small amount of muddy water fall into the mortar bin 34 below from the screen hole of the first rolling section, and then the coarse sand belt is conveyed to the outside through the corresponding conveying shaft 32 and second packing auger 33 below, thereby realize more meticulous grit separation, and separation efficiency is high, and separation effect is good.

As shown in fig. 3, the inclined material guiding plates 35 are disposed on two sides of the mortar bin 34, and the dropped gravels can be collected at the middle position of the bottom of the mortar bin 34 through the inclined material guiding plates 35, so that the gravels can be conveniently carried and conveyed by the second packing auger 33, and the adjacent two guiding plates between the two mortar bins 34 are connected with each other, so that the gravels can be prevented from dropping out of the mortar bin 34, and the gravel separation efficiency is not affected.

As shown in fig. 3, a transition section 25 is preferably disposed between the first drum section 23 and the second drum section 24, the transition section 25 is located above the connecting ends of the two material guiding plates 35, and no sieve holes are disposed on the transition section 25, that is, when coarse sand on the screen drum passes through the connecting ends of the two material guiding plates 35, the coarse sand cannot fall through the sieve holes, and the coarse sand and the fine sand are prevented from falling into the mortar bin 34 and affecting the separation effect of the coarse sand and the fine sand.

As shown in fig. 3, the host frame 1 preferred in this embodiment is provided with a stone outlet 26, the stone outlet 26 is located below the discharge port of the first roller section 23, and the stone outlet 26 is located at the same side of the two sand conveying devices 3, when coarse sand and fine sand in the waste concrete are separated from the screen roller, the stone with the largest diameter is discharged from the discharge port of the first roller section 23, falls from the stone outlet 26, and is accumulated at one side of the sand conveying device 3, so that the waste concrete is separated, and the separation efficiency is high and the separation effect is good.

As shown in fig. 3, in the present embodiment, the bottom of the mortar bin 34 is preferably arc-shaped, and the second packing auger 33 can transport most of gravel, thereby reducing the accumulation of gravel at the bottom of the mortar bin 34 and improving the efficiency of transporting gravel.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims (5)

1. The utility model provides a two auger sand and stone separators which characterized in that: comprises a main frame, a screen stone separating device and two sand conveying devices are arranged on the main frame, the screen stone separating device comprises a first driving motor and a screen drum, the first driving motor is connected with the screen drum, the screen drum is rotationally connected with the main frame, the inner wall of the screen drum is provided with a first packing auger, the screen drum is provided with a first drum section and a second drum section, and the diameter of the sieve pore on the first roller section is larger than that of the sieve pore on the second roller section, the sand conveying device comprises a second driving motor and a conveying shaft, the second driving motor is connected with the conveying shaft, the conveying shafts are rotationally connected with the main frame, the conveying shafts are provided with second packing augers, the two conveying shafts are respectively positioned under the first roller section and the second roller section, the bottom of the screen drum is provided with two mortar bins, and the two conveying shafts are respectively positioned in the two mortar bins.

2. The double auger sand separator according to claim 1, characterized in that: the two sides of the mortar bin are provided with inclined guide plates, and the two adjacent guide plates are connected with each other.

3. The double auger sand separator according to claim 2, characterized in that: and a transition section is arranged between the first roller section and the second roller section and is positioned above the connecting ends of the two material guide plates.

4. The double auger sand separator according to claim 3, characterized in that: the main frame is provided with a stone outlet which is positioned below the discharge port of the first roller section, and the stone outlet is positioned on the same side of the two sand conveying devices.

5. The double auger sand separator according to claim 4, characterized in that: the bottom of the mortar bin is arc-shaped.

Images