Spraying device for aggregate screening surface

Abstract

The utility model discloses a spraying device for an aggregate screening screen surface, belongs to the technical field of gravel aggregate screening, and can solve the problems that an existing screen surface spraying device is unreasonable in spray head layout and cannot fully cover the screen surface, so that part of the screen surface cannot effectively spray, water resources are wasted, and aggregate is not fully washed. The spraying device comprises a supporting frame arranged on the periphery of the vibrating screen, and a gap exists between the supporting frame and the vibrating screen; the supporting face of the supporting frame is located over the screen face of the vibrating screen and keeps consistent with the screen face of the vibrating screen in gradient. The plurality of spraying branch pipes are distributed on the whole supporting surface of the supporting frame in rows; a plurality of spray heads are arranged on each spray branch pipe, the included angle between the water outlet direction of each spray head and the screen surface of the vibrating screen is an acute angle, and the spray branch pipes are used for providing spray water for the spray heads; and the water supply main pipe is communicated with the plurality of spraying branch pipes and is used for supplying water to the spraying branch pipes. The aggregate screen surface spraying device is used for spraying of aggregate screen surfaces.

Description

Technical Field

[0001] This utility model relates to a spraying device for the screen surface of aggregate screening, belonging to the field of sand and gravel aggregate screening technology. Background Technology

[0002] During aggregate screening, impurities such as mud and stone powder carried by the aggregate adhere to the aggregate surface, causing excessive mud content and methylene blue value. Furthermore, the mud and powder carried during screening can easily clog the screen openings, reducing screening efficiency and quality. Existing screen surface spraying devices suffer from problems such as unreasonable nozzle layout, inability to fully cover the screen surface, resulting in ineffective spraying of parts of the screen surface, water waste, and insufficient aggregate washing. Summary of the Invention

[0003] This utility model provides a spraying device for the screen surface of aggregate screening, which can solve the problems of unreasonable nozzle layout in existing screen surface spraying devices, which cannot fully cover the screen surface, resulting in some screen surfaces not being effectively sprayed, causing water waste and insufficient aggregate washing.

[0004] This utility model provides a spraying device for the screen surface of an aggregate screening, the spraying device comprising:

[0005] A support frame is disposed around the vibrating screen and there is a gap between the support frame and the vibrating screen; the support surface of the support frame is located directly above the screen surface of the vibrating screen and has the same inclination as the screen surface of the vibrating screen.

[0006] Multiple spray branch pipes are arranged in a row on the entire support surface of the support frame; each spray branch pipe is equipped with multiple nozzles, and the water outlet direction of the nozzles forms an acute angle with the screen surface of the vibrating screen. The spray branch pipes are used to supply spray water to the nozzles.

[0007] The main water supply pipe is connected to multiple sprinkler branch pipes and is used to supply water to the sprinkler branch pipes.

[0008] Optionally, the support frame includes:

[0009] Multiple support rods are vertically arranged around the perimeter of the vibrating screen in a rectangular pattern; the height of the support rod at one end of the rectangle is higher than the height of the support rod at the opposite end of the rectangle.

[0010] A rectangular frame is connected to the top of multiple support rods to form an inclined support surface; one end of each spray branch pipe is fixed to the edge of the rectangular frame, and the other end is connected to the main water supply pipe.

[0011] Optionally, the support frame further includes:

[0012] Multiple connecting ribs correspond one-to-one with multiple support rods, and the connecting ribs are fixed to the top of the corresponding support rods; the rectangular frame is fixed to the connecting ribs.

[0013] Optionally, the connecting rib includes:

[0014] The base plate is fixed to the top of the support rod;

[0015] Multiple stiffening plates are fixed vertically in a row on the base plate; the rectangular frame is fixed to the end of the stiffening plates away from the base plate.

[0016] Optionally, the water supply main pipe includes:

[0017] The first pipe section is connected to an external water supply device at one end;

[0018] The second pipe section is T-shaped and connected to the end of the first pipe section away from the water supply equipment, and is located within the support surface of the support frame; the second pipe section is connected to all the spray branch pipes.

[0019] Optionally, a blind plate is provided at one end of each spray branch pipe near the edge of the rectangular frame. The blind plate is used to seal the end of the spray branch pipe, and the edge of the rectangular frame is fixed to the blind plate.

[0020] Optionally, the nozzle is a tapered nozzle.

[0021] Optionally, the angle between the nozzle and the screen surface of the vibrating screen is 30°~45°.

[0022] Optionally, the spacing between two adjacent spray branch pipes is 400mm~600mm;

[0023] The spacing between two adjacent nozzles is 400mm to 600mm.

[0024] Optionally, the support rod is an H-beam; the rectangular frame is a steel frame.

[0025] The beneficial effects that this utility model can produce include:

[0026] The aggregate screening screen surface spraying device provided by this utility model features a support frame around the vibrating screen. Multiple spraying branch pipes and nozzles are installed on the entire support surface of the frame. The evenly distributed nozzles effectively wash the entire screen surface. Furthermore, the acute angle between the nozzles and the screen surface allows the water mist sprayed from the nozzles to form a water film on the screen, reducing the probability of screen clogging. Simultaneously, because the spraying device is non-contact with the vibrating screen, it avoids the problem of structural damage to the spraying device caused by the high-frequency vibration of the vibrating screen, thus extending its service life. Attached Figure Description

[0027] Figure 1 Side view of the spraying device for the aggregate screening screen surface provided in this embodiment of the utility model;

[0028] Figure 2 A top view of the spraying device for the aggregate screening screen surface provided in an embodiment of this utility model;

[0029] Figure 3 This is a schematic diagram of the structure of the spray branch pipe and the spray head provided in the embodiment of this utility model.

[0030] Figure label:

[0031] 1. Vibrating screen; 2. Support rod; 3. Rectangular frame; 4. Connecting rib plate; 5. Main water supply pipe; 6. Spray branch pipe; 7. Spray head. Detailed Implementation

[0032] The present invention will be described in detail below with reference to the embodiments, but the present invention is not limited to these embodiments.

[0033] This utility model embodiment provides a spraying device for the screen surface of an aggregate screening, such as... Figures 1 to 3 As shown, the spraying device includes:

[0034] The support frame is set on the periphery of the vibrating screen 1 and there is a gap between it and the vibrating screen 1; the support surface of the support frame is located directly above the screen surface of the vibrating screen 1 and the inclination of the screen surface of the vibrating screen 1 is consistent.

[0035] Multiple spray branch pipes 6 are arranged in a row on the entire support surface of the support frame; each spray branch pipe 6 is equipped with multiple nozzles 7, and the water outlet direction of the nozzles 7 forms an acute angle with the screen surface of the vibrating screen 1. The spray branch pipes 6 are used to supply spray water to the nozzles 7.

[0036] The main water supply pipe 5 is connected to multiple sprinkler branch pipes 6 and is used to supply water to the sprinkler branch pipes 6.

[0037] The supporting framework includes:

[0038] Multiple support rods 2 are vertically arranged around the perimeter of the vibrating screen 1 in a rectangular pattern; the height of the support rod 2 at one end of the rectangle is higher than the height of the support rod 2 at the opposite end of the rectangle.

[0039] A rectangular frame 3 is connected to the top of multiple support rods 2 to form an inclined support surface; one end of each spray branch pipe 6 is fixed to the edge of the rectangular frame 3, and the other end is connected to the main water supply pipe 5.

[0040] Specifically, support rod 2 is an H-beam; rectangular frame 3 is a steel frame.

[0041] In this embodiment of the invention, the support frame includes eight support rods 2. Since the screen surface of the vibrating screen 1 is generally tilted at 20° to 25°, there is a certain height difference between adjacent support rods 2 to ensure that the support surface of the rectangular frame 3 is parallel to the screen surface of the vibrating screen 1.

[0042] The rectangular frame 3 is formed by connecting four channel steels. The size of the rectangular frame 3 is determined according to the screen frame area of ​​the vibrating screen 1. The connection between the rectangular frame 3 and the spray branch pipe 6 can improve the overall structural stability.

[0043] Furthermore, the supporting framework also includes:

[0044] Multiple connecting ribs 4 correspond one-to-one with multiple support rods 2, and the connecting ribs 4 are fixed to the top of the corresponding support rods 2; the rectangular frame 3 is fixed on the connecting ribs 4.

[0045] Specifically, the connecting rib 4 includes:

[0046] The base plate is fixed to the top of the support rod 2;

[0047] Multiple stiffening plates are fixed vertically in a row on the base plate; rectangular frame 3 is fixed at the end of the stiffening plates away from the base plate.

[0048] In this utility model, reference Figure 1 As shown, each connecting rib 4 consists of one base plate and three stiffening plates. The stiffening plates effectively connect the support rod 2 to the rectangular frame 3, increasing the effective contact area between the two and preventing the structure from buckling or becoming locally unstable under load.

[0049] refer to Figure 2 As shown, the main water supply pipe 5 includes:

[0050] The first pipe section is connected to an external water supply device at one end;

[0051] The second pipe section is T-shaped and connected to the end of the first pipe section away from the water supply equipment, and is located within the support surface of the support frame; the second pipe section is connected to all the spray branch pipes 6.

[0052] The distance between two adjacent spray branch pipes 6 is 400mm~600mm.

[0053] Specifically, the main water supply pipe 5 is a T-shaped structure with a diameter of DN100. One end is connected to a flange, which can be used to connect to external water supply equipment. Several spray branch pipes 6 are connected sequentially on the other side, with a spacing of 500mm between the spray branch pipes 6.

[0054] In this utility model, a blind plate is provided at one end of each spray branch pipe 6 near the edge of the rectangular frame 3. The blind plate is used to block the end of the spray branch pipe 6, and the edge of the rectangular frame 3 is fixed to the blind plate.

[0055] refer to Figure 2 As shown, the diameter of the sprinkler branch pipe 6 is DN70. One side is connected to the second section of the main water supply pipe 5, and the other side is connected to the rectangular frame 3. The connection part is sealed with a blind flange.

[0056] Preferably, the nozzle 7 is a tapered nozzle. The angle between the nozzle 7 and the screen surface of the vibrating screen 1 is 30°~45°. The distance between two adjacent nozzles 7 is 400mm~600mm.

[0057] refer to Figure 2 and Figure 3 As shown, the nozzles 7 are evenly arranged on the spray branch pipe 6 with a spacing of 500mm. The number of nozzles is determined according to the screen surface size of the vibrating screen 1. Each nozzle 7 consists of a steel pipe with a diameter of DN25 and a length of 5cm and a nozzle. One side of the steel pipe is threaded to the nozzle, and the other side is connected to the spray branch pipe 6. The nozzles 7 form a 30° angle with the screen surface.

[0058] The beneficial effects of this utility model are as follows:

[0059] (1) This utility model provides a rigid support frame by utilizing the pipe body. The spraying device is not in contact with the vibrating screen 1, thus avoiding the problem of damage to the structural components of the spraying device and affecting its service life caused by the high-frequency vibration of the vibrating screen 1.

[0060] (2) The spraying device of this utility model achieves effective rinsing of the entire screen surface through uniformly arranged spray nozzles 7, which helps to disperse materials and improve screening efficiency, thereby effectively removing impurities such as mud and stone powder from the surface of aggregates and improving the cleanliness of the product.

[0061] (3) In the spraying device of this utility model, the nozzle 7 is set at an angle of 30° with the screen surface, so that a water film can be formed on the screen, thereby reducing the probability of screen hole blockage.

[0062] (4) In the spraying device of this utility model, the water mist formed by the nozzle 7 can effectively suppress dust pollution to the environment.

[0063] The above description is merely a few embodiments of this application and is not intended to limit this application in any way. Although this application discloses preferred embodiments as described above, it is not intended to limit this application. Any changes or modifications made by those skilled in the art without departing from the scope of the technical solution of this application using the disclosed technical content are equivalent to equivalent implementation cases and fall within the scope of the technical solution.

Claims

1. A spray device for aggregate sizing screens, characterized in that The spraying device includes: A support frame is disposed around the vibrating screen and there is a gap between the support frame and the vibrating screen; the support surface of the support frame is located directly above the screen surface of the vibrating screen and has the same inclination as the screen surface of the vibrating screen. Multiple spray branch pipes are arranged in a row on the entire support surface of the support frame; each spray branch pipe is equipped with multiple nozzles, and the water outlet direction of the nozzles forms an acute angle with the screen surface of the vibrating screen. The spray branch pipes are used to supply spray water to the nozzles. The main water supply pipe is connected to multiple sprinkler branch pipes and is used to supply water to the sprinkler branch pipes.

2. The spray device of claim 1, wherein The supporting framework includes: Multiple support rods are vertically arranged around the perimeter of the vibrating screen in a rectangular pattern; the height of the support rod at one end of the rectangle is higher than the height of the support rod at the opposite end of the rectangle. A rectangular frame is connected to the top of multiple support rods to form an inclined support surface; one end of each spray branch pipe is fixed to the edge of the rectangular frame, and the other end is connected to the main water supply pipe.

3. The spray device of claim 2, wherein The supporting framework also includes: Multiple connecting ribs correspond one-to-one with multiple support rods, and the connecting ribs are fixed to the top of the corresponding support rods; the rectangular frame is fixed to the connecting ribs.

4. The spray device of claim 3, wherein The connecting rib includes: The base plate is fixed to the top of the support rod; Multiple stiffening plates are fixed vertically in a row on the base plate; the rectangular frame is fixed to the end of the stiffening plates away from the base plate.

5. The spray device of claim 1, wherein The main water supply pipe includes: The first pipe section is connected to an external water supply device at one end; The second pipe section is T-shaped and connected to the end of the first pipe section away from the water supply equipment, and is located within the support surface of the support frame; the second pipe section is connected to all the spray branch pipes.

6. The spray device of claim 2, wherein Each spray branch pipe is provided with a blind plate at one end near the edge of the rectangular frame. The blind plate is used to seal the end of the spray branch pipe, and the edge of the rectangular frame is fixed to the blind plate.

7. The spray device of claim 1, wherein The nozzle is a tapered nozzle.

8. The spray device of claim 1, wherein The angle between the nozzle and the screen surface of the vibrating screen is 30°~45°.

9. The showerhead of claim 1, wherein The distance between two adjacent spray branch pipes is 400mm~600mm; The spacing between two adjacent nozzles is 400mm to 600mm.

10. The shower assembly of claim 2, wherein, The support rod is an H-beam; the rectangular frame is a steel frame.

Images