CN114472158A

CN114472158A - A grit screening installation for construction

Info

Publication number: CN114472158A
Application number: CN202210147965.8A
Authority: CN
Inventors: 谢东海
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-05-13

Abstract

The invention discloses gravel screening equipment for building construction, which comprises a screening box, a screening assembly, a cleaning assembly and a screening residue processing mechanism, wherein the cleaning assembly is arranged at the top of the upper end of the screening box, a motor unit is arranged at the bottom end inside the screening box, the screening assembly is arranged at the top of the upper end of the motor unit, the screening residue processing mechanism is arranged at the top of the upper end of the screening assembly, and the screening assembly comprises a main screening plate, a side screening plate, a plastic layer, a discharge chute, a hydraulic rod and an auxiliary support frame. This a grit screening installation for construction to the main part structure of filter plate as the grit screening makes the grit of filter plate upper end be in the active state under two kinds of external force modes of lifting transmission and rotatory operation to pass the filter plate and accomplish grit screening operation, and at the screening process, wash the grit, so that in subsequent construction, mix with cement, adhesiveness when increasing its building.

Description

A grit screening installation for construction

Technical Field

The invention relates to the technical field of building construction, in particular to sand screening equipment for building construction.

Background

Nowadays, sand and stones are widely used as high-quality building materials and concrete raw materials in the fields of houses, roads, highways, railways, engineering and the like due to good hardness and stable chemical properties. With the requirements of infrastructure construction technology and the development of high technology, higher requirements are made on the quantity and quality of sand. Sandstone is loose material, but the granule is generally hard and stable in chemical property under the surface environment. Sandstone generally has stronger weather resistance, and particularly, siliconized quartz sandstone has hardness higher than granite. The sandstone is a basic material in national economic construction, is mainly used for basic engineering, concrete, mortar and corresponding products, and is an indispensable and irreplaceable aggregate material for building of basic facilities such as buildings, roads, railways, bridges, municipal engineering, hydraulic engineering, hydroelectric engineering, nuclear power station engineering, airports, wharfs and the like.

At present, the cement concrete and the asphalt concrete are most widely applied in engineering construction, and the polymer concrete is less in use amount. Concrete is a composite material and sand is one of the major component materials in the largest proportion. In a concrete structure, the sand and stone mainly play a role of a skeleton, stabilize the volume of concrete, transfer stress, inhibit shrinkage and prevent cracking. Play extremely important effect in building and infrastructure, say there is not grit, just do not have concrete building and foundation engineering yet, but have different effects to the grit of different sizes, when the construction, need screen the grit of suitable size according to the processing demand.

The screen cloth that current grit screening is general adopts supports in ground, the people utilizes the shovel to filter, and the grit screening installation that other adopted needs a large amount of staff to carry out the auxiliary operation at the scene mostly, this kind of grit screening mode workman's intensity of labour is big, the workman feels the health tired after screening a period of time, the arm is aching, there is workman intensity of labour big, the problem that degree of automation is low, finally can lead to screening work efficiency low, influence engineering construction cycle, and the grit is stained with earth on the surface, can't be filtered, can influence subsequent construction, lead to the grit to be stained with not strong.

Disclosure of Invention

The invention aims to provide sand screening equipment for building construction, and the sand screening equipment is used for solving the problems that the existing sand screening method in the background art generally adopts a screen supported on the ground, people screen sand by using a shovel, and most other adopted sand screening equipment needs a large amount of workers to perform auxiliary operation on site, the sand screening mode has high labor intensity of workers, the workers feel tired after screening for a period of time and have aching arms, the problems of high labor intensity of the workers and low automation degree exist, the screening work efficiency is low, the engineering construction period is influenced, and the clay adhered to the surface of the sand cannot be screened, the subsequent construction is influenced, and the sand adhesion is not strong.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a grit screening installation for construction, remains processing mechanism including screening case, screening subassembly, clean subassembly and screening, the upper end top of screening case is provided with clean subassembly, the inside bottom of screening case is provided with motor unit, and motor unit's upper end top is provided with the screening subassembly to the upper end top of screening subassembly is provided with the screening and remains processing mechanism, the screening subassembly includes main screening board, side screening board, plastic layer, blown down tank, hydraulic stem and auxiliary stay frame, the outside department of main screening board is provided with the side screening board, and the edge of side screening board is provided with the plastic layer, the blown down tank has been seted up to the inside symmetry of main screening board, the lower extreme bottom of main screening board is provided with auxiliary stay frame, and auxiliary stay frame's inboard is provided with the hydraulic stem.

Further, the screening case includes box apron, observation window, box bottom plate and gomphosis groove, the upper end top of screening case is provided with the box apron, and outside one side of screening case is provided with the observation window, the lower extreme bottom of screening case is provided with the box bottom plate, and the gomphosis groove has been seted up to the inner wall upper end of box bottom plate.

Furthermore, screening case, box apron and box bottom plate constitute detachable construction, and the screening case passes through the gomphosis groove and the mutual gomphosis of box bottom plate size.

Furthermore, main screening board and side screening board are integral structure, and the side screening board is the symmetrical form along the axis department of main screening board and distributes.

Furthermore, the cross section of the side screening plate is distributed in an inclined shape, and the side screening plate and the plastic layer form a fixing structure.

Further, clean subassembly is including defeated material passageway, water delivery pipe mouth, clean water tank and clean shower nozzle, the inside middle-end of clean water tank is provided with defeated material passageway, and is provided with water delivery pipe mouth on the inside of clean water tank, the lower extreme bottom of clean water tank is provided with clean shower nozzle.

Furthermore, the water delivery pipe opening, the cleaning water tank and the cleaning spray head are communicated with each other, and the cleaning spray head is uniformly distributed along the central axis of the cleaning water tank.

Further, screening residual processing mechanism includes support column, supporting disk, lifter and lifter plate, the upper end top of support column is provided with the supporting disk, and the lower extreme both sides of supporting disk are provided with the lifter, the lower extreme bottom of lifter is provided with the lifter plate.

Furthermore, support column, supporting disk and main screening board constitute fixed knot and construct, and the supporting disk passes through lifter and lifter plate and constitutes lift transmission structure to lifter plate and blown down tank size are mutually supported.

Compared with the prior art, the invention has the beneficial effects that: the sandstone screening device for building construction adopts the mutual matching among a plurality of mechanisms, has strong functionality, takes the filter plate as a main structure for screening sandstone, and is provided with lateral filter plates extending outwards at the edges of the upper end and the lower end of the filter plate main body, the whole screening component takes the liquid rod at the bottom end and the motor unit as transmission parts, so that the sandstone at the upper end of the filter plate is in a movable state under two external force modes of lifting transmission and rotating operation, the sandstone screening operation can be conveniently finished by penetrating the filter plate, the lateral filter plates can play a role in limiting the rotating position of the sandstone, the sandstone on the lateral filter plates can be subjected to auxiliary screening along the cambered surface, and the plastic at the outer ring of the lateral filter plates is utilized, the condition of clamping the sandstone can be avoided, the stability of the whole sandstone screening process can be ensured, and when the lifting operation can be carried out up and down, the plastic material can be utilized to scrape and clean the inner wall of the screening box, guarantee the inside cleanness of its equipment, avoid grit or earth to attach in equipment for a long time and influence the normal use of equipment to in the screening process, the water shower nozzle on accessible top washes the grit, washes earth in the grit, reduces earth on the one hand and blocks up the filtration pore, and on the other hand still can make the grit be in relative clean state, so that in subsequent construction, mixes with cement, in order to increase the adhesiveness of its when building.

1. The screening assembly comprises a main screening plate, side screening plates, plastic layers, discharge chutes, hydraulic rods and auxiliary support frames, wherein the side screening plates are arranged at the outer sides of the main screening plates, the plastic layers are arranged at the edges of the side screening plates, the discharge chutes are symmetrically formed in the main screening plates, the auxiliary support frames are arranged at the bottoms of the lower ends of the main screening plates, the hydraulic rods are arranged at the inner sides of the auxiliary support frames, the screening residue processing mechanism comprises support columns, support disks, lifting rods and lifting plates, a support disk is arranged at the top of the upper ends of the support columns, the lifting rods are arranged on two sides of the lower ends of the support disks, and the lifting plates are arranged at the bottoms of the lower ends of the lifting rods. The supporting column, the supporting disk and the main screening plate form a fixed structure, the supporting disk forms a lifting transmission structure through the lifting rod and the lifting plate, the lifting plate and the discharge chute are mutually matched in size, the main screening plate and the side screening plate are used as screening parts of the screening equipment, gravels with proper specification and size can pass through screening holes of the screening components to meet the screening precision of the screening equipment, a hydraulic rod at the bottom end of the screening component is used for enabling the screening component to carry out lifting operation, the lifting function of the screening component is used, the up-down lifting is used for achieving auxiliary vibration screening, the screening efficiency is improved, the volume of the upper space and the lower space of the screening component can be regulated and controlled to better meet the screening operation, the screening efficiency is improved, the storage volume of the screening equipment is regulated and controlled, the side screening plate at the edge of the main screening plate is used for limiting the rotating position of the gravels at the inner side, and the gravels on the side filtering plate are enabled to be positioned on the side filtering plate, can assist the screening along the cambered surface, and utilize the plastic of side filter plate outer lane department, can avoid appearing the grit block condition, guarantee the stability of whole grit screening process, and when the lift of cooperation side screening board, can assist the grit to discharge and arrange the material, can be when going up and down to go up and down to carry out the operation, can utilize its plastic material, come to scrape the inner wall department of screening case and get cleanly, guarantee the cleanness of its equipment inside, avoid grit or earth to be attached for a long time and influence the normal use of equipment in the equipment, make the lifter drive two lifters of bottom shift up, make the lifter rise from the blown down tank, make the blown down tank expose, at the rotation of supplementary main screening board, come to discharge the grit of screening rejection.

2. According to the invention, the cleaning assembly comprises a material conveying channel, a water conveying pipe opening, a cleaning water tank and a cleaning spray head, the material conveying channel is arranged at the middle end in the cleaning water tank, the water conveying pipe opening is arranged at the upper end in the cleaning water tank, and the cleaning spray head is arranged at the bottom of the lower end of the cleaning water tank. The water delivery pipe orifice, the clean water tank and the clean spray head are communicated with each other, the clean spray head is uniformly distributed along the central axis of the clean water tank, the whole screening box is a screening place of the sand and stone screening equipment, the box cover plate at the upper end and the box bottom plate at the bottom are utilized to keep the whole screening box in a relatively sealed state, the safety in the screening process is ensured, the sand and stone are prevented from being splashed to cause damage, the disassembly function of the screening box is utilized, the maintenance of the interior of the equipment can be well ensured, the exposed large-area opening at the bottom can facilitate the discharge of materials, the convenience of a user in the screening process of using the sand and stone is improved, the cleaning component is arranged at the box cover plate at the top, the cleaning water tank connected at the top is utilized to spray and clean the sand and stone at the lower end through the clean spray head at the bottom of the cleaning water tank, the soil in the sand and stone is washed, on the one hand, the blockage of the soil filtering hole is reduced, on the other hand, the sand and stone can be kept in a relatively clean state so as to be mixed with cement in subsequent building construction, thereby increasing the adhesiveness of the sand and stone during building.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic perspective view of a screening assembly according to the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1;

FIG. 4 is a schematic perspective view of the present invention;

FIG. 5 is a schematic perspective view of the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 1 at B according to the present invention;

fig. 7 is a schematic top view of the motor assembly of the present invention.

In the figure: 1. a screening box; 101. a cover plate of the box body; 102. an observation window; 103. a box body bottom plate; 104. a fitting groove; 2. a screening component; 201. a primary screening plate; 202. a side screening plate; 203. a plastic layer; 204. a discharge chute; 205. a hydraulic lever; 206. an auxiliary support frame; 3. a motor unit; 4. a cleaning assembly; 401. a material conveying channel; 402. a water delivery pipe orifice; 403. cleaning the water tank; 404. cleaning the spray head; 5. a screening residue processing mechanism; 501. a support pillar; 502. a support disc; 503. a lifting rod; 504. a lifting plate.

Detailed Description

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, the present invention provides a technical solution: a grit screening apparatus for building construction, comprising: screening case 1, screening subassembly 2, clean subassembly 4 and screening residual processing mechanism 5, the upper end top of screening case 1 is provided with clean subassembly 4, the inside bottom of screening case 1 is provided with motor group 3, and the upper end top of motor group 3 is provided with screening subassembly 2, and the upper end top of screening subassembly 2 is provided with screening residual processing mechanism 5, screening subassembly 2 includes main screening board 201, side screening board 202, plastic layer 203, blown down tank 204, hydraulic stem 205 and auxiliary stay 206, the outside department of main screening board 201 is provided with side screening board 202, and the edge of side screening board 202 is provided with plastic layer 203, blown down tank 204 has been seted up to the inside symmetry of main screening board 201, the lower extreme bottom of main screening board 201 is provided with auxiliary stay 206, and the inboard of auxiliary stay 206 is provided with hydraulic stem 205. Screening residual processing mechanism 5 includes support column 501, supporting disk 502, lifter 503 and lifter plate 504, and the upper end top of support column 501 is provided with supporting disk 502, and the lower extreme both sides of supporting disk 502 are provided with lifter 503, and the lower extreme bottom of lifter 503 is provided with lifter plate 504. The supporting column 501, the supporting disk 502 and the main screening plate 201 form a fixed structure, the supporting disk 502 forms a lifting transmission structure through the lifting rod 503 and the lifting plate 504, the lifting plate 504 and the discharge chute 204 are mutually matched in size, the main screening plate 201 and the side screening plate 202 are used as screening parts of the screening equipment, sand stones with proper specification and size can pass through screening holes of the screening component 2 to meet screening precision of the screening equipment, the hydraulic rod 205 at the bottom end of the screening component 2 is used for enabling the screening component 2 to carry out lifting operation, the lifting function of the lifting component is utilized, the lifting component is used for achieving auxiliary vibration screening, screening efficiency is improved, the volume of an upper space and a lower space of the screening component 2 can be regulated and controlled, screening operation is better met, screening efficiency is improved, storage volume of the screening equipment is regulated and controlled, and the side screening plate 202 at the edge of the main screening plate 201 is utilized, come the rotational position of the inboard grit of restriction, make the grit on being in the side filter plate, can assist the screening along the cambered surface, and utilize the plastic of side filter plate outer lane department, can avoid the grit block condition to appear, guarantee the stability of whole grit screening process, and when the lift of cooperation side screening board 202, can assist the grit to discharge and arrange the material, still can be when going up and down the operation, can utilize its plastic material, come to scrape the inner wall department of screening case 1 and get the cleanness, guarantee the cleanness of its equipment inside, avoid grit or earth to be attached for a long time and influence the normal use of equipment in the equipment, make lifter 503 drive two lifters 504 of bottom move up, make lifter 504 rise from the blown down tank 204, come to make blown down tank 204 expose, at the rotation of supplementary main screening board 201, come to discharge the grit of screening rejection.

As shown in fig. 4-7, the present invention provides a technical solution: the utility model provides a grit screening installation for construction, screening case 1 includes box apron 101, observation window 102, box bottom plate 103 and gomphosis groove 104, and the upper end top of screening case 1 is provided with box apron 101, and outside one side of screening case 1 is provided with observation window 102, and the lower extreme bottom of screening case 1 is provided with box bottom plate 103, and gomphosis groove 104 has been seted up to the inner wall upper end of box bottom plate 103. The screening box 1, the box cover plate 101 and the box bottom plate 103 constitute a detachable structure, and the screening box 1 is fitted to the box bottom plate 103 through the fitting groove 104. The main screening plate 201 and the side screening plate 202 are of an integrated structure, and the side screening plate 202 is symmetrically distributed along the central axis of the main screening plate 201. The cross-section of the side screening plate 202 is distributed in an oblique shape, and the side screening plate 202 and the plastic layer 203 constitute a fixed structure. Cleaning assembly 4 includes defeated material passageway 401, raceway mouth 402, clean water tank 403 and clean shower nozzle 404, and the inside middle-end of clean water tank 403 is provided with defeated material passageway 401, and the inside upper end of clean water tank 403 is provided with raceway mouth 402, and the lower extreme bottom of clean water tank 403 is provided with clean shower nozzle 404. The water delivery pipe port 402, the cleaning water tank 403 and the cleaning spray head 404 are communicated with each other, the cleaning spray head 404 is uniformly distributed along the central axis of the cleaning water tank 403, the whole screening box 1 is a screening place of the sand screening equipment, the upper box cover plate 101 and the bottom box bottom plate 103 are utilized to keep the whole screening box 1 in a relatively sealed state, the safety in the screening process is ensured, the sand is prevented from being splashed to cause damage, the maintenance of the interior of the equipment can be well ensured by utilizing the dismounting function of the screening box, the material can be conveniently discharged by utilizing the bottom exposed large-area opening, the convenience of a user in the sand screening process is improved, the cleaning component 4 is arranged at the top box cover plate 101, the upper cleaning water tank 403 is utilized to spray and clean the sand at the lower end through the cleaning spray head 404 at the bottom of the cleaning water tank, wash earth in the grit, reduce earth on the one hand and block up the filtration pore, on the other hand still can make the grit be in relative clean state to in subsequent construction, mix with cement, adhesiveness when increasing its building.

To sum up, this a grit screening installation for building construction, when using, the user starts inside motor unit 3 at first, make inside motor drive, thereby drive the hydraulic stem 205 on its top and rotate, drive the screening subassembly 2 on top and rotate, later will need the grit that screens to put into through the defeated material passageway 401 of top department, come into the upper end department of main sieve plate 201, utilize rotatory screening subassembly 2, make suitable specification size grit, can pass the screening hole of screening subassembly 2, carry out the screening precision that accords with screening installation, make whole screening case 1 keep a relatively sealed state, security in the assurance screening process, avoid the grit to splash and cause the damage, and utilize the hydraulic stem 205 that the model of screening subassembly 2 bottom is SC100 x 500TC, make screening subassembly 2 go up and down the operation, utilize its liftable function, the utility model has the advantages of achieving auxiliary vibration screening by using the up-and-down lifting, improving the screening efficiency, enabling the gravels at the upper end of the filter plate to be in a movable state under two external force modes of lifting transmission and rotation operation so as to pass through the filter plate to complete the gravel screening operation, enabling the side filter plate to be at the rotation position for limiting the gravels so as to enable the gravels on the side filter plate to be screened in an auxiliary way along the cambered surface, enabling the screening component 2 to be lifted according to the screening requirement, regulating and controlling the volume of the upper space and the lower space of the screening component 2 to better meet the screening operation, remaining in the bottom plate 103 of the box body for temporary storage after the gravel is screened, directly observing the screening process of the gravels through the observation window 102 at the outer side during the screening process, utilizing the water pipe port 402 externally connected at the top end to inject water into the clean water tank 403, and using the clean nozzle 404 at the bottom end, to spray water downwards uniformly, thereby flushing the gravels in the screening box 1, flushing the soil in the gravels, and draining the muddy water downwards under gravity operation, on one hand, reducing the blockage of the filtering holes by the soil, on the other hand, enabling the gravels to be in a relatively clean state, so that the gravels can be mixed with cement in the subsequent building construction, thereby increasing the adhesiveness of the gravels during the building construction, after the screening and cleaning operation is completed, the box bottom plate 103 at the bottom can be taken down, the gravels at the lower end of the main screening plate 201 can be dropped out, so as to be collected for the building construction, and the whole main screening plate 201 is pressed downwards, the side screening plate 202 at the outer side can be used for scraping the gravels accumulated at the bottom end, thereby draining the gravels, so as to ensure the internal gravels to be discharged, after the bottom is completed, the lifting rod 503 in the screening residue processing mechanism 5 can be started, so that the lifting rod 503 can drive the two lifting plates 504 at the bottom end to move upwards, make the lifter plate 504 rise from the blown down tank 204 in, make blown down tank 204 expose, at the rotation of supplementary main screening board 201, come to filter the grit of rejecting and discharge, drop in the inside department of blown down tank 204, transmit to the bottom department of main screening board 201, so that carry out grit screening operation next time, be in the plastic layer 203 that side screening board 202 outside edge is fixed simultaneously, can utilize its plastic material when going up and down to go on scraping the inner wall department of screening case 1 and getting clean, guarantee the inside cleanness of its equipment, avoid long-time attached normal use that influences equipment in the equipment of grit or earth.

It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.

Claims

1. A gravel screening device for building construction comprises a screening box (1), a screening assembly (2), a cleaning assembly (4) and a screening residue processing mechanism (5), and is characterized in that the cleaning assembly (4) is arranged at the top of the upper end of the screening box (1), a motor unit (3) is arranged at the bottom of the interior of the screening box (1), the screening assembly (2) is arranged at the top of the upper end of the motor unit (3), the screening residue processing mechanism (5) is arranged at the top of the upper end of the screening assembly (2), the screening assembly (2) comprises a main screening plate (201), a side screening plate (202), a plastic layer (203), a discharge chute (204), a hydraulic rod (205) and an auxiliary support frame (206), the side screening plate (202) is arranged at the outer side of the main screening plate (201), and the plastic layer (203) is arranged at the edge of the side screening plate (202), discharge chutes (204) are symmetrically formed in the main screening plate (201), an auxiliary support frame (206) is arranged at the bottom of the lower end of the main screening plate (201), and a hydraulic rod (205) is arranged on the inner side of the auxiliary support frame (206).

2. A sand screening apparatus for use in building operations as claimed in claim 1, wherein: the screening box (1) comprises a box cover plate (101), an observation window (102), a box bottom plate (103) and an embedding groove (104), the box cover plate (101) is arranged at the top of the upper end of the screening box (1), the observation window (102) is arranged on one side of the outside of the screening box (1), the box bottom plate (103) is arranged at the bottom of the lower end of the screening box (1), and the embedding groove (104) is formed in the upper end of the inner wall of the box bottom plate (103).

3. A sand screening apparatus for use in building operations as claimed in claim 2, wherein: screening case (1), box apron (101) and box bottom plate (103) constitute detachable construction, and screening case (1) through gomphosis groove (104) and box bottom plate (103) size mutual gomphosis.

4. A sand screening apparatus for use in building operations as claimed in claim 1, wherein: the main screening plate (201) and the side screening plate (202) are of an integrated structure, and the side screening plate (202) is symmetrically distributed along the central axis of the main screening plate (201).

5. A sand screening apparatus for use in building operations as claimed in claim 1, wherein: the cross section of the side screening plate (202) is distributed in an inclined shape, and the side screening plate (202) and the plastic layer (203) form a fixed structure.

6. A sand screening apparatus for use in building operations as claimed in claim 1, wherein: clean subassembly (4) are including defeated material passageway (401), raceway mouth (402), clean water tank (403) and clean shower nozzle (404), the inside middle-end of clean water tank (403) is provided with defeated material passageway (401), and is provided with defeated water pipe mouth (402) on the inside of clean water tank (403), the lower extreme bottom of clean water tank (403) is provided with clean shower nozzle (404).

7. A sand screening apparatus for use in building operations according to claim 6, wherein: the water delivery pipe port (402), the cleaning water tank (403) and the cleaning spray head (404) are communicated with each other, and the cleaning spray head (404) is uniformly distributed along the central axis of the cleaning water tank (403).

8. A sand screening apparatus for use in building operations as claimed in claim 1, wherein: screening remains processing apparatus (5) and includes support column (501), supporting disk (502), lifter (503) and lifter plate (504), the upper end top of support column (501) is provided with supporting disk (502), and the lower extreme both sides of supporting disk (502) are provided with lifter (503), the lower extreme bottom of lifter (503) is provided with lifter plate (504).

9. A sand screening apparatus for use in building operations according to claim 8, wherein: the supporting column (501), the supporting disc (502) and the main screening plate (201) form a fixed structure, the supporting disc (502) forms a lifting transmission structure through a lifting rod (503) and a lifting plate (504), and the lifting plate (504) is matched with the discharge chute (204) in size.