Sand screening machine with dust raising prevention function for constructional engineering

Abstract

The utility model relates to the technical field of sand screening machines, in particular to a building engineering sand screening machine with a dust raising prevention function, which reduces the diffusion of dust raising, improves the dust raising prevention effect and reduces the pollution of sand screening work to the environment. Comprising a support and a screen cylinder, and the screen cylinder is rotationally installed on the support and is arranged to be at an inclined angle; the cover body is installed on the outer side wall of the support and covers the upper portion of the screen barrel, multiple sets of through holes are formed in the inner side wall of the cover body, the top end of the cover body communicates with the collecting device, the collecting device is used for sucking air into the cover body, the first water pipe is installed at the left end of the cover body, and the second water pipe is installed at the right end of the cover body. The multiple sets of first sprayers are arranged on the outer side wall of the first water pipe in a communicating mode, and a driving device is arranged on the support and used for driving the screen barrel to rotate.

Description

Technical Field

[0001] The utility model relates to the technical field of sand screening machines, in particular to a sand screening machine for construction engineering with a dust prevention function. Background Art

[0002] With the rapid development of construction projects, sand screening machines, as an important mechanical equipment, play an indispensable role in material screening, dust removal, filtration and other processing processes. Since sand screening machines are often accompanied by dust problems during use, the development of a sand screening machine for construction projects with anti-dust function is of great significance to ensure the cleanliness and safety of the working environment.

[0003] As in the patent with prior art authorization announcement number CN214234909U, the application involves a small sand screening machine, involving the technical field of sand screening machines, including a sand screening machine body, the sand screening machine body includes a support frame, a hollow sand screening cylinder is rotatably connected to the support frame, a motor for driving the sand screening cylinder to rotate is fixedly connected to one end of the support frame, a guide plate is fixedly connected to the support frame at a position below the motor, a containing frame for containing fine sand is detachably connected to the support frame, the containing frame is located directly below the sand screening cylinder, the containing frame includes a bottom plate, the containing frame includes a first side plate parallel to the axis of the sand screening cylinder, a discharge port is opened on the first side plate, a closing door for closing the discharge port is provided on the discharge port, and the bottom plate is inclined downward toward the discharge port.

[0004] However, during the use of the sand screening machine, it was found that the dust generated during the operation of the sand screening machine was difficult to handle, which increased the pollution of the dust to the environment and reduced the environmental protection effect of the equipment. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a sand screening machine for construction projects with dust prevention function, which can reduce the diffusion of dust, improve the dust prevention effect, and reduce the pollution of sand screening work to the environment.

[0006] The utility model discloses a sand screening machine for construction engineering with dust prevention function, comprising a bracket and a screen drum, the screen drum is rotatably mounted on the bracket, and the screen drum is set at an inclined angle; it also comprises a collecting device, a driving device, a cover body, a first water pipe and a plurality of first nozzle groups, the cover body is mounted on the outer wall of the bracket, and the cover body cover is mounted on the upper part of the screen drum, a plurality of through holes are arranged on the inner wall of the cover body, the top of the cover body is connected with the collecting device, the collecting device is used for sucking air into the cover body, the first water pipe is mounted on the left end of the cover body, a plurality of first nozzle groups are connected and arranged on the outer wall of the first water pipe, a driving device is arranged on the bracket, and the driving device is used for driving the screen drum to rotate; the sand to be screened is passed through the screen The opening at the right end of the mesh cylinder is placed inside the screen cylinder, and then the screen cylinder is driven to rotate by the driving device, so that the screen cylinder uses its own inclination angle to screen the sand and transport it to the left during the rotation. The screened sand passes through the screen cylinder and falls to the bottom, and the stones in the sand are discharged through the left end of the screen cylinder. During the screening process, air is sucked into the cover body through the collecting device, so that the cover body sucks air into the screen cylinder through multiple groups of through holes, so that the dust generated in the sand screening process is collected and processed by the collecting device, and water is transported to the inside of the first water pipe through the water supply equipment, and then the water is sprayed to the opening at the left end of the screen cylinder through the first nozzle to reduce the diffusion of dust, thereby improving the anti-dust effect of the sand screening machine and reducing pollution to the environment.

[0007] Preferably, the collecting device includes a tank body, a fan, a delivery pipe, a water pump, a second water pipe and multiple groups of second nozzles, the fan is connected and arranged at the top of the tank body, the top of the delivery pipe is connected with the top of the cover body, the bottom of the delivery pipe is connected and arranged at the lower part of the outer wall of the tank body, a filtering device is arranged in the tank body, and the filtering device is used to filter the water in the tank body, the water pump input end is connected with the tank body, the second water pipe is connected and arranged on the water pump output end, the multiple groups of second nozzles are all connected and arranged on the second water pipe, and the multiple groups of second nozzles are all arranged in the upper part of the tank body; by turning on the fan to exhaust air in the tank body, the tank body exhausts air in the cover body through the delivery pipe, so that the dust is transported to the inside of the tank body through the delivery pipe, and the dust-containing air entering the tank body flows from bottom to top. At this time, the water in the lower part of the tank body is extracted by the water pump, and the extracted water is sprayed into the tank body through the second nozzle from top to bottom and convects with the dust-containing air, so that the water mist filters the dust in the air and reduces the dust, thereby improving the dust removal effect and reducing the pollution of dust to the environment.

[0008] Preferably, it also includes a first filter, a paddle, a first motor and a drain outlet, the first filter is installed at the lower part of the inner wall of the tank body, and the first filter is arranged above the water pump input end, the paddle is rotatably installed at the lower part of the tank body, and the outer wall of the paddle is in contact with the top of the first filter, the first motor is installed on the outer wall of the bottom end of the tank body, the output end of the first motor is connected to the bottom end of the paddle, and the drain outlet is connected and arranged on the outer wall of the tank body; water sprayed by multiple groups of second nozzles falls on the top of the first filter, and the water is filtered through the first filter, so that the filtered water flows into the bottom of the tank body for recycling, and the mud and dirt in the water are deposited on the top of the first filter, and by turning on the drain outlet and the first motor, the first motor drives the paddle to rotate after being turned on, and the paddle rotates to scrape and clean the mud and dirt deposited on the top of the first filter, and then the mud and dirt are discharged through the drain outlet, thereby improving the convenience of automatic cleaning and maintenance inside the tank body.

[0009] Preferably, the driving device includes a second motor, a gear and a gear ring, the second motor is mounted on the outer wall of the bracket, the gear is mounted on the output end of the second motor, the gear ring is mounted on the outer side of the screen cylinder, and the gear ring is meshed with the gear; the gear is driven to rotate by the second motor, and the gear drives the screen cylinder to rotate through meshing with the gear ring, so that the screen cylinder screens the sand, thereby improving the convenience of using the sand screening machine.

[0010] Preferably, it also includes multiple groups of guide plates, which are installed in staggered positions on the inner wall of the tank body; the dust-laden air is guided and transported by the multiple groups of guide plates, thereby increasing the air flow distance, increasing the contact time between the air and the water mist, and improving the air purification effect.

[0011] Preferably, it also includes a collecting trough, which is arranged below the opening at the left end of the screen cylinder; the screened stones are collected through the collecting trough, thereby improving the convenience of using the sand screening machine.

[0012] Preferably, it also includes an exhaust pipe and a second filter screen, the exhaust pipe is connected and arranged on the output end of the fan, and the second filter screen is installed on the exhaust pipe; the air discharged by the fan is filtered and processed through the second filter screen, thereby further improving the purification effect of the dust-containing air.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the sand to be screened is put into the screen cylinder through the opening at the right end of the screen cylinder, and then the screen cylinder is driven to rotate by the driving device, so that the screen cylinder uses its own inclination angle to screen the sand and transport it to the left during the rotation process, and the screened sand passes through the screen cylinder and falls to the bottom, and the stones in the sand are discharged through the left end of the screen cylinder. During the screening process, air is sucked into the cover body through the collecting device, so that the cover body sucks air into the screen cylinder through multiple groups of through holes, so that the dust generated during the sand screening process is collected and processed by the collecting device, and at the same time, water is transported to the inside of the first water pipe through the water supply equipment, and then the water is sprayed to the opening at the left end of the screen cylinder through the first nozzle, so as to reduce the diffusion of dust, thereby improving the anti-dust effect of the sand screening machine and reducing pollution to the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the axonometric local structure of the connection between the bracket and the screen cylinder;

[0016] Figure 3 It is an axonometric structural diagram of the connection between the fan and the conveying pipe, etc.;

[0017] Figure 4 is an axonometric partial structural diagram of the connection between the second water pipe and the second sprinkler head;

[0018] Figure 5 It is an axonometric structural diagram of the connection between the cover body and the conveying pipe.

[0019] Markings in the attached drawings: 1. bracket; 2. screen cylinder; 3. cover body; 4. first water pipe; 5. first nozzle; 6. tank body; 7. fan; 8. delivery pipe; 9. water pump; 10. second water pipe; 11. second nozzle; 12. first filter; 13. paddle; 14. first motor; 15. sewage outlet; 16. second motor; 17. gear; 18. gear ring; 19. guide plate; 20. collecting trough; 21. exhaust pipe; 22. second filter. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] Example 1

[0022] like Figures 1 to 5As shown, the utility model is a sand screening machine for construction engineering with anti-dust function, including a bracket 1 and a screen drum 2, the screen drum 2 is rotatably mounted on the bracket 1, and the screen drum 2 is set at an inclined angle; it also includes a collecting device, a driving device, a cover body 3, a first water pipe 4 and a plurality of first nozzles 5, the cover body 3 is mounted on the outer wall of the bracket 1, and the cover body 3 is mounted on the upper part of the screen drum 2, a plurality of through holes are arranged on the inner wall of the cover body 3, the top of the cover body 3 is connected with the collecting device, the collecting device is used to suck air into the cover body 3, the first water pipe 4 is installed at the left end of the cover body 3, and the plurality of first nozzles 5 are all connected and arranged on the outer wall of the first water pipe 4, and a driving device is arranged on the bracket 1, and the driving device is used to drive the screen drum 2 to rotate;

[0023] like Figure 3 As shown, the collecting device includes a tank body 6, a fan 7, a delivery pipe 8, a water pump 9, a second water pipe 10 and a plurality of second nozzles 11. The fan 7 is connected and arranged at the top of the tank body 6, the top of the delivery pipe 8 is connected with the top of the cover body 3, and the bottom of the delivery pipe 8 is connected and arranged at the lower part of the outer wall of the tank body 6. A filtering device is arranged in the tank body 6, and the filtering device is used to filter the water in the tank body 6. The input end of the water pump 9 is connected with the tank body 6, and the second water pipe 10 is connected and arranged on the output end of the water pump 9. The plurality of second nozzles 11 are all connected and arranged on the second water pipe 10, and the plurality of second nozzles 11 are all arranged at the upper part of the tank body 6.

[0024] In this embodiment, the sand to be screened is placed into the screen cylinder 2 through the opening at the right end of the screen cylinder 2, and then the screen cylinder 2 is driven to rotate by the driving device, so that the screen cylinder 2 uses its own inclination angle to screen the sand and transport it to the left during the rotation. The screened sand passes through the screen cylinder 2 and falls to the bottom, and the stones in the sand are discharged through the left end of the screen cylinder 2. During the screening process, the cover body 3 is sucked by the collecting device, so that the cover body 3 sucks air into the screen cylinder 2 through multiple groups of through holes, so that the dust generated in the sand screening process is collected and processed by the collecting device, and at the same time, water is transported to the inside of the first water pipe 4 through the water supply equipment, and then the water is sprayed to the opening at the left end of the screen cylinder 2 through the first nozzle 5, so as to reduce the diffusion of dust, thereby improving the dust prevention effect of the sand screening machine and reducing pollution to the environment.

[0025] Example 2

[0026] On the basis of Example 1, Figure 4As shown, the utility model is a sand screening machine for construction engineering with anti-dust function, which also includes a first filter 12, a paddle 13, a first motor 14 and a sewage outlet 15. The first filter 12 is installed at the lower part of the inner wall of the tank body 6, and the first filter 12 is arranged above the input end of the water pump 9. The paddle 13 is rotatably installed at the lower part of the tank body 6, and the outer wall of the paddle 13 is in contact with the top of the first filter 12. The first motor 14 is installed on the outer wall of the bottom end of the tank body 6, and the output end of the first motor 14 is connected to the bottom end of the paddle 13. The sewage outlet 15 is connected and arranged on the outer wall of the tank body 6;

[0027] like Figure 2 As shown, the driving device includes a second motor 16, a gear 17 and a gear ring 18, the second motor 16 is mounted on the outer wall of the bracket 1, the gear 17 is mounted on the output end of the second motor 16, the gear ring 18 is mounted on the outer side of the screen cylinder 2, and the gear ring 18 is meshed with the gear 17;

[0028] like Figure 4 As shown, it also includes a plurality of guide plates 19, and the plurality of guide plates 19 are staggeredly installed on the inner wall of the tank body 6;

[0029] like Figure 3 As shown, it also includes a collecting tank 20, which is arranged below the left end opening of the screen cylinder 2;

[0030] like Figure 1 As shown, it also includes an exhaust pipe 21 and a second filter screen 22, the exhaust pipe 21 is connected and arranged on the output end of the fan 7, and the second filter screen 22 is installed on the exhaust pipe 21;

[0031] In this embodiment, the fan 7 is turned on to exhaust air in the tank body 6, so that the tank body 6 exhausts air in the cover body 3 through the conveying pipe 8, so that the dust is transported to the inside of the tank body 6 through the conveying pipe 8, and the dust-containing air entering the tank body 6 flows from bottom to top. At this time, water at the bottom of the tank body 6 is extracted by the water pump 9, and the extracted water is sprayed into the tank body 6 through the second nozzle 11 from top to bottom and convects with the dust-containing air, so that the water mist filters the dust in the air and reduces the dust, thereby improving the dust removal effect and reducing the pollution of dust to the environment. The water sprayed by the head 11 falls on the top of the first filter screen 12, and is filtered by the first filter screen 12, so that the filtered water flows into the bottom of the tank body 6 for recycling, and the dirt in the water is deposited on the top of the first filter screen 12. By turning on the drain outlet 15 and the first motor 14, the first motor 14 drives the paddle 13 to rotate. After the paddle 13 rotates, the dirt deposited on the top of the first filter screen 12 is scraped off and cleaned, and then the dirt is discharged through the drain outlet 15, thereby improving the convenience of automatic cleaning and maintenance inside the tank body 6.

[0032] The utility model discloses a sand screening machine for construction projects with a dust prevention function. When working, the sand to be screened is put into the screen cylinder 2 through the opening at the right end of the screen cylinder 2, and then the screen cylinder 2 is driven to rotate by a driving device, so that the screen cylinder 2 uses its own inclination angle to screen the sand and transport it to the left during the rotation process, and the screened sand passes through the screen cylinder 2 and falls to the bottom, and the stones in the sand are discharged through the left end of the screen cylinder 2. During the screening process, air is sucked into the cover body 3 through the collecting device, so that the cover body 3 sucks air into the screen cylinder 2 through multiple groups of through holes, so that the dust generated during the sand screening process is collected and processed by the collecting device, and at the same time, water is transported to the inside of the first water pipe 4 through the water supply equipment, and then the water is sprayed to the opening at the left end of the screen cylinder 2 through the first nozzle 5.

[0033] The water pump 9, the first motor 14 and the second motor 16 of the sand screening machine for construction engineering with anti-dust function of the utility model are purchased on the market. The technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in this field to make creative labor.

[0034] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A sand screening machine for construction engineering with dust prevention function, comprising a support (1) and a screen drum (2), wherein the screen drum (2) is rotatably mounted on the support (1), and the screen drum (2) is set at an inclined angle; characterized in that: The invention also comprises a collecting device, a driving device, a cover body (3), a first water pipe (4) and a plurality of first nozzles (5); the cover body (3) is mounted on the outer wall of the bracket (1), and the cover body (3) is mounted on the upper part of the screen cylinder (2); a plurality of through holes are arranged on the inner wall of the cover body (3); the top end of the cover body (3) is connected to the collecting device; the collecting device is used to suck air from the cover body (3); the first water pipe (4) is mounted on the left end of the cover body (3); the plurality of first nozzles (5) are all connected and arranged on the outer wall of the first water pipe (4); a driving device is arranged on the bracket (1); the driving device is used to drive the screen cylinder (2) to rotate.

2. A sand screening machine for construction engineering with dust prevention function as claimed in claim 1, characterized in that: The collecting device comprises a tank body (6), a fan (7), a delivery pipe (8), a water pump (9), a second water pipe (10) and a plurality of second nozzles (11); the fan (7) is arranged in communication with the top of the tank body (6); the top of the delivery pipe (8) is connected to the top of the cover body (3); the bottom of the delivery pipe (8) is arranged in communication with the lower part of the outer wall of the tank body (6); a filtering device is arranged in the tank body (6) for filtering water in the tank body (6); the input end of the water pump (9) is connected to the inside of the tank body (6); the second water pipe (10) is arranged in communication with the output end of the water pump (9); the plurality of second nozzles (11) are all arranged in communication with the second water pipe (10), and the plurality of second nozzles (11) are all arranged in communication with the upper part of the tank body (6).

3. A sand screening machine for construction engineering with dust prevention function as claimed in claim 2, characterized in that: The invention also comprises a first filter screen (12), a paddle (13), a first motor (14) and a sewage outlet (15); the first filter screen (12) is mounted on the lower part of the inner wall of the tank body (6), and the first filter screen (12) is arranged above the input end of the water pump (9); the paddle (13) is rotatably mounted on the lower part of the inner part of the tank body (6), and the outer wall of the paddle (13) contacts the top of the first filter screen (12); the first motor (14) is mounted on the outer wall of the bottom end of the tank body (6), the output end of the first motor (14) is connected to the bottom end of the paddle (13), and the sewage outlet (15) is arranged on the outer wall of the tank body (6) in communication.

4. A sand screening machine for construction engineering with dust prevention function as claimed in claim 1, characterized in that: The driving device comprises a second motor (16), a gear (17) and a gear ring (18); the second motor (16) is mounted on the outer wall of the bracket (1); the gear (17) is mounted on the output end of the second motor (16); the gear ring (18) is mounted on the outer side of the screen cylinder (2); and the gear ring (18) is meshed with the gear (17).

5. A sand screening machine for construction engineering with dust prevention function as claimed in claim 2, characterized in that: It also includes a plurality of groups of guide plates (19), which are respectively installed on the inner wall of the tank body (6) in a staggered manner.

6. A sand screening machine for construction engineering with dust prevention function as claimed in claim 1, characterized in that: It also comprises a collecting trough (20), which is arranged below the left end opening of the screen cylinder (2).

7. A sand screening machine for construction engineering with dust prevention function as claimed in claim 2, characterized in that: It also includes an exhaust pipe (21) and a second filter screen (22). The exhaust pipe (21) is connected to the output end of the fan (7), and the second filter screen (22) is installed on the exhaust pipe (21).

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