CN220143939U - Aggregate screen cloth with spray dust removal - Google Patents

Abstract

The utility model belongs to the field of engineering construction equipment, and particularly relates to an aggregate screen with spraying dust removal, which aims to solve the problem that the existing herringbone screen is large in dust emission in the screening process and improve the dust emission condition during screening. The aggregate screen cloth includes the support, sets up screen cloth and spray set on support upper portion, and spray set is including setting up the shower around screen cloth top both sides and bottom, and the shower sprays water smoke to the screen cloth from screen cloth both sides top and bottom all around to reduce the raise dust of screening. The utility model improves and adds the water supply spraying device on the basis of the existing herringbone aggregate screen, sprays and removes dust through the spraying pipes arranged at the two sides of the top of the screen and at the bottom of the screen, sprays in the screening process of the earthwork and the granules, reduces the dust generated in the screening process, and can spray according to the water content of the backfill of the on-site screening, adjust the water content and further improve the construction efficiency of the earthwork of an airport.

Description

Aggregate screen cloth with spray dust removal

Technical Field

The utility model belongs to the field of engineering construction equipment, and particularly relates to an aggregate screen with spray dust removal.

Background

In the airport construction process, the construction engineering quantity of the earth and stone is huge and can reach more than ten millions of cubic meters, the earth and stone construction of the airport follows the earth and stone backfilling principle, a large amount of earth and stone backfilling construction is required to be carried out in the implementation process, strict requirements are provided for the related specifications of the particle size of backfilled earth and stone, how to quickly obtain backfilled earth and stone meeting the requirements of the standard particle size directly influences the implementation progress of airport construction, and particularly, the airport with a large number of stones with different specifications in the construction area is very important for controlling the particle size of the backfilled earth and stone and a large number of screens are required to be used.

The inventor applies for a herringbone aggregate screen with the patent number of CN202221055357.6, and can screen stone rapidly to meet the particle size requirement of backfilled stone. In the implementation process, the earthwork and the granules are accompanied with larger dust in the screening process, the lower the water content of the backfill is, the larger the dust is, the more strict the control of the dust is for airport construction with higher environmental protection requirements, and the screening speed can only be reduced in the construction process to reduce the site dust, so that the site construction efficiency is affected.

Disclosure of Invention

The utility model aims to solve the problem that the existing herringbone screen cloth has larger dust in the screening process, and provides an aggregate screen cloth with spray dust removal function, so as to improve the dust-raising condition in the screening process.

In order to achieve the technical purpose, the technical scheme of the utility model is as follows: the aggregate screen cloth with spray dust removal, it includes support, screen cloth, and the screen cloth sets up in support upper portion, and its main points lie in still including spray set, spray set is including setting up the shower around screen cloth bottom in screen cloth top both sides, and the shower sprays water smoke to the screen cloth from screen cloth both sides top and screen cloth bottom all around, forms upper and lower two-layer spraying to reduce the raise dust of screening.

Spray water smoke from screen cloth top and bottom all around through the shower to reduce the raise dust that produces when sieving from the root to can maintain screening speed on satisfying the basis of environmental protection requirement, guarantee the efficiency of construction.

Further, spray set still includes the water supply person in charge, and the water supply person in charge is connected shower and water supply container, and the water supply person in charge sets up in support one side, and the shower contains top chevron shape branch pipe and bottom annular branch pipe two parts that sprays altogether, and top chevron shape branch pipe that sprays is the chevron shape and installs in the baffle both sides, and bottom annular branch pipe that sprays is the annular and installs on screen cloth bottom support, and the water supply person in charge is connected with the shower, and the water supply person in charge is used for supplying the shower branch pipe on the support with the water supply container, spouts by the shower again.

The water is led into the spray pipe through the water supply main pipe, and then sprayed out from the spray pipe to form water mist so as to achieve the aim of dust removal.

Further, the screen cloth is the chevron, and top chevron sprays the branch pipe and is the chevron arrangement along screen cloth both sides baffle top, and the shower is the herringbone pipe that the pipe steel welding formed, with bottom annular spray branch pipe intercommunication, top shower and bottom shower constitute the annular spraying system of intercommunication, are connected with the water supply main pipe again.

Further, a baffle is arranged above the side surface of the screen, and the spray pipe is fixedly connected with the upper part of the side plate through a spray pipe bracket.

The spray pipe support can increase the spray height of the top herringbone spray pipe, so that a certain height difference exists between the spray pipe and the screen mesh, and water mist falling from top to bottom can be formed conveniently.

Further, spraying holes are formed in the spraying pipe at intervals, the spraying holes are round holes perpendicular to the axis of the pipeline and are directly 1.5mm, and an included angle of 30-60 degrees is formed between the axial direction of each spraying hole and the screen.

The axial direction of the spraying hole and the screen form a certain included angle, so that the spraying direction of the water mist is inclined upwards, the contact area of the water mist and the screen is enlarged, and a better dust removing effect is achieved.

Furthermore, the bottom annular spraying pipeline is arranged along the periphery of the screen support, the spraying pipe is formed by welding round pipe steel, one end of the spraying pipe is connected with the top herringbone spraying pipe through a tee joint, and the spraying pipe is connected with a main water supply pipe through a four-way joint.

Further, the axial direction of the spraying hole forms an included angle of 45 degrees with the screen.

The beneficial effects of the utility model include: on the basis of the existing herringbone aggregate screen, the improved water supply spraying device is added, water is pumped to a spraying branch pipe on the herringbone aggregate screen through a water supply main pipe, spraying dust is removed through a spraying pipe at the top of the screen, spraying is carried out in the screening process of the earth and stone and the granules, dust generated in screening is reduced, meanwhile, the water content can be adjusted according to the water content condition of the backfill of the on-site screening, and the construction efficiency of the earth and stone of an airport is further improved.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a front view of the present utility model.

Fig. 3 is a bottom shower path diagram.

Fig. 4 is a schematic top shower installation view.

Fig. 5 is a structural view of the shower pipe.

Wherein: 1 a bracket, 2 a screen, 30 a clean water tank, 31 a water supply main pipe, 32 annular spray branch pipes, 33 herringbone spray branch pipes, 34 spray pipe brackets, 331 spray holes and 4 baffles.

Detailed Description

The utility model will now be described in detail with reference to the drawings, the examples being given to enable one skilled in the art to make a better understanding of the utility model without limiting the utility model in any way.

As shown in figure 1, the utility model provides an aggregate screen capable of spraying and dedusting, which comprises a bracket 1, a screen 2 and a spraying device, wherein the bracket 1 is formed by welding steel pipes and comprises a rectangular bracket at the lower part and a herringbone bracket at the upper part, and the screen 2 is welded and fixed on the herringbone bracket so as to form the herringbone aggregate screen.

As shown in fig. 1 to 3, the spray device comprises a main water supply pipe 31, a bottom annular spray branch pipe 32, a top herringbone spray branch pipe 33, a spray pipe bracket 34, spray holes 331 and a baffle 4. The water supply main pipe 31, the bottom annular spraying branch pipe 32 and the top herringbone spraying branch pipe 33 are all welded round steel pipes and are fixed on the herringbone aggregate screen in a welding mode. The water supply main pipe 31 is laid along the ground, one end of the water supply main pipe 31 is connected with a water supply container, in this example, the water supply container is a clean water tank 30 arranged on a construction site, a water pump is arranged in the clean water tank 30, the water supply main pipe 31 is connected with the water pump, and the other end of the water supply main pipe 31 is connected with a bottom annular spray branch pipe 32. The water supply main pipe 31 and the bottom annular spray branch pipe 32 are connected through a four-way joint. The bottom annular spray branch pipe 32 is annular and installs around rectangular support top, be connected with top chevron shape spray branch pipe 33 through three way connection, top chevron shape spray branch pipe 33 is the chevron shape with the shape of screen cloth, top chevron shape spray branch pipe 33 is arranged along screen cloth both sides baffle top, screen cloth 2 side top is equipped with baffle 4, top chevron shape spray branch pipe 33 adopts welded fastening connection through shower support 34 with the upper portion of curb plate 4, make the shower fixed more reliable, through shower support 34, make top chevron shape spray branch pipe 33 and screen cloth 2 between have certain difference in height, be convenient for form from last decurrent water smoke, still enable water smoke more to be close to the middle part of screen cloth. The top herringbone spray branch pipe 33 is a herringbone pipe formed by welding round pipe steel, and one end of the herringbone pipe is connected with the bottom annular spray branch pipe 32. The bottom annular spraying branch pipe 32 and the top herringbone spraying branch pipe 33 are provided with spraying holes 331 at intervals, and the axial direction of the spraying holes 331 and the screen 2 form an included angle of 30-60 degrees, and in this example, the included angle is preferably 45 degrees. The axial direction of the spraying hole and the screen form a certain included angle, so that the spraying direction of the water mist is inclined upwards, the contact area of the water mist and the screen is enlarged, and a better dust removing effect is achieved. And the water mist falls from top to bottom, so that the water mist is prevented from drifting around, and a good dust removal effect is maintained. The spraying hole is a round hole perpendicular to the axis of the pipeline, and the diameter is 1.5mm.

The herringbone spray branch pipes 33 and the annular spray branch pipes 32 are respectively arranged on the upper side and the lower side of the herringbone screen, and two layers of water mist are formed on the upper side and the lower side of the screen. The water mist formed by the annular spraying branch pipes 32 at the bottom is lower in height, water mist can be formed around the screen and in the middle of the screen, while the water mist generated by the herringbone spraying branch pipes 33 at the upper part is higher, and falls to the position, close to the middle, of the screen from top to bottom, so that more water mist is formed around the middle of the screen. In the screening process, a large amount of earth and stone falls from the middle part of the screen, namely, larger dust is generated in the middle part of the screen. In addition, the spraying generated by the herringbone spraying branch pipe 33 arranged above the screen falls to the screen from top to bottom, and the spraying generated by the annular spraying branch pipe 32 arranged below the screen sprays from bottom to top, so that two layers of water mist are formed on the upper side and the lower side of the screen, and the screened stone can be sufficiently dedusted through the two layers of water mist.

The bottom annular spraying branch pipe 32 is annularly arranged around the top of the rectangular support, is connected with the top herringbone spraying branch pipe 33 through a three-way joint, is connected with the water supply main pipe 1 through a four-way joint, and forms an included angle of 30-60 degrees with the screen 2 in the axial direction of a spraying hole 331 on the bottom annular spraying branch pipe 32, and is preferably 45 degrees in the example.

The water supply main 31 is not limited to the both sides of the screen 2, and may be disposed along the side of the screen or may be disposed in the middle of the screen.

Through spray set, can reduce the raise dust that produces in the screening process, make the work progress satisfy the environmental protection requirement. The size of water smoke can also be adjusted according to the moisture content of screening building stones, the lower the moisture content of building stones is, the more easily produce the raise dust, and the lower the moisture content is, the raise dust that produces is bigger, and water supply main pipe 31 one end is connected with the water pump of clean water basin, consequently can reach good dust removal effect according to the flow of different building stones moisture content adjustment water pump to reduce the water consumption, make the work progress further satisfy the environmental protection requirement.

As shown in fig. 1, when in use, water is pumped to the bottom annular spraying branch pipe 32 and the top herringbone spraying branch pipe 33 on the herringbone screen through the water supply main pipe 31, and then the annular spraying branch pipe 32 at the top of the rectangular support and the herringbone spraying branch pipe 33 at the top of the screen are sprayed to remove dust, a sedimentation tank can be arranged on site, and the sedimentation tank and the clean water tank 30 are matched, so that the construction water is recycled, and the water is saved.

The remaining non-described parts are prior art.

The above embodiments are only for illustrating the technical idea of the present utility model, and the protection scope of the present utility model is not limited thereto, and any modifications and equivalent substitutions made on the basis of the technical scheme according to the technical idea of the present utility model fall within the protection scope of the present utility model.

Claims (8)

1. The utility model provides an aggregate screen cloth with spray dust removal, it includes support, screen cloth, and the screen cloth sets up in support upper portion, its characterized in that still includes spray set, and spray set is including setting up the shower around screen cloth top both sides and the screen cloth bottom, and the shower sprays water smoke to the screen cloth from screen cloth both sides top and screen cloth bottom all around, forms upper and lower two-layer spraying to reduce the raise dust of screening.

2. The aggregate screen with spray dust removal according to claim 1, wherein the spray device further comprises a water supply main pipe, the water supply main pipe is connected with the water supply container, the water supply main pipe is arranged on one side of the support, the water supply main pipe is further connected with the spray pipe, and the water supply main pipe is used for supplying water in the water supply container to the spray pipe on the support and then sprayed out by the spray pipe.

3. The aggregate screen with spray dust removal according to claim 2, wherein the screen is in a herringbone shape, baffles are arranged on two sides of the screen, the support of the screen comprises a herringbone support at the top and a rectangular support at the bottom, the spray pipe comprises two herringbone spray branch pipes arranged on two sides above the screen and annular spray branch pipes arranged on the periphery of the bottom of the screen, the two herringbone spray branch pipes are distributed above the baffles on two sides of the screen, the annular spray branch pipes are arranged on the top of the rectangular support in an annular mode on the periphery below the screen and are connected with the upper herringbone screen to form a closed ring shape, the water supply main pipe and the spray pipe are connected through a four-way joint, and the herringbone spray branch pipes at the upper part are connected with the annular spray branch pipes at the bottom through a three-way joint.

4. The aggregate screen with spray dust removal of claim 3, wherein the top chevron spray branches are chevron shaped, arranged along both sides of the screen, and the chevron spray branches are chevron shaped tubes formed by welding round tube steel.

5. The aggregate screen with spray dust removal according to claim 3, wherein the bottom annular spray branch pipes are arranged along the periphery of the screen support, and the spray pipes are formed by welding round pipe steel.

6. The aggregate screen with spray dust removal of claim 4, wherein the chevron spray manifold is fixedly connected to an upper portion of the baffle by a spray manifold bracket.

7. The aggregate screen with the function of spraying and dedusting according to claim 1, wherein spraying holes are formed in the spraying pipe at intervals, the spraying holes are round holes perpendicular to the axis of the pipeline, the diameter of each spraying hole is 1.5mm, and an included angle of 30-60 degrees is formed between the axial direction of each spraying hole and the screen.

8. The aggregate screen with spray dust removal of claim 7, wherein the axial direction of the spray holes forms an angle of 45 ° with the screen.