Water-saving environment-friendly dust falling device for construction engineering construction

Abstract

This invention provides a water-saving and environmentally friendly dust suppression device for construction engineering, belonging to the technical field of construction dust suppression equipment. It includes a base, a cylinder, a nozzle, a water supply pipe, and a pressure regulating component. The cylinder is oscillatingly mounted on the base, the nozzle is located at the end of the cylinder, and the water supply pipe is mounted on the base. One end of the water supply pipe is connected to the nozzle, and the other end is used to connect to a water supply unit. The pressure regulating component includes a pressure regulating shell and a pressure regulating ring. The pressure regulating shell is connected in series to the water supply pipe, and the pressure regulating ring is slidably disposed within the pressure regulating shell. One end of the pressure regulating shell is connected to the upstream water supply pipe, and the other end is connected to the downstream water supply pipe via a pressure regulating hole. The pressure regulating ring can slide with the oscillation of the cylinder, thereby reducing or increasing the particle size of the droplets sprayed from the nozzle. This invention provides a water-saving and environmentally friendly dust suppression device for construction engineering, which can more effectively suppress dust at different heights on the construction site by automatically adjusting the droplet particle size according to the characteristics of dust at different heights.

Description

Technical Field

[0001] This invention belongs to the technical field of construction dust suppression equipment, specifically, it relates to a water-saving and environmentally friendly dust suppression device for building construction. Background Technology

[0002] Construction projects inevitably have some impact on the environment, with dust pollution being a particularly prominent issue. Dust not only reduces air quality at and around construction sites, affecting residents' daily lives and health, but it can also have long-term negative impacts on the atmospheric environment, disrupting the balance of the entire ecosystem. Therefore, controlling construction dust is of paramount importance for protecting the environment, safeguarding residents' health, and achieving sustainable development.

[0003] Dust distribution at construction sites exhibits unique characteristics, with different characteristics at different altitudes. Dust at lower altitudes primarily originates from material loading, unloading, dumping, and ground dust generation activities. These dust particles are relatively large and settle quickly. To suppress this type of dust, larger droplets are needed because they have better wetting properties, allowing them to contact larger dust particles more quickly and cause them to settle, thus achieving dust suppression. Dust at higher altitudes, however, becomes increasingly fine and lightweight, allowing it to remain suspended in the air for longer periods. For this fine dust, smaller droplets are required to increase the contact area and probability of contact, making it easier for the droplets to adsorb dust and achieve dust suppression.

[0004] Traditional dust suppression devices cannot adjust droplet size to suit the characteristics of dust at different heights on construction sites. In practical applications, a single droplet size is insufficient to meet the dust suppression needs of both high and low-lying areas. This means that when dealing with high-altitude dust, using larger droplets results in insufficient contact area with fine dust particles, leading to ineffective dust adsorption and wasted water. Excess water falling to the ground creates mud, impacting the construction environment and schedule. Conversely, when dealing with large particles of dust at lower altitudes, using smaller droplets fails to provide sufficient gravity and wetting capacity, hindering dust settling and resulting in poor dust suppression.

[0005] In conclusion, it is urgent to develop a water-saving and environmentally friendly dust suppression device for construction projects that can adaptively adjust droplet size based on height. This is of significant practical importance for improving dust suppression efficiency, conserving water resources, and improving the construction environment. Summary of the Invention

[0006] The purpose of this invention is to provide a water-saving and environmentally friendly dust suppression device for construction engineering, which solves the technical problem in related technologies that traditional dust suppression devices are unable to adjust the droplet size according to the characteristics of dust at different heights.

[0007] According to one aspect, at least one embodiment of the present invention provides a water-saving and environmentally friendly dust suppression device for construction engineering, including a base, a cylinder, a nozzle, a water supply pipe and a pressure regulating component. The cylinder is oscillatingly mounted on the base, the nozzle is located at the air outlet end of the cylinder, and the water supply pipe is located on the base. One end of the water supply pipe is connected to the nozzle, and the other end is used to connect to a water supply unit. The pressure regulating assembly includes a pressure regulating housing and a pressure regulating ring. The pressure regulating housing is connected in series to the water supply pipe. The pressure regulating ring is slidably disposed inside the pressure regulating housing and is slidably engaged with the inner wall of the downstream water supply pipe. The pressure regulating ring has an opening facing the downstream water supply pipe and a pressure regulating hole is provided on the peripheral wall of the pressure regulating ring. One end of the pressure regulating housing is connected to the upstream water supply pipe, and the other end is connected to the downstream water supply pipe through the pressure regulating hole. The pressure regulating ring is capable of sliding as the cylinder body swings. When the cylinder swings upward, the pressure regulating ring can slide towards the downstream water supply pipe, reducing the communication area between the pressure regulating hole and the downstream water supply pipe to increase the water pressure and make the droplet size of the nozzle smaller. When the cylinder swings downward, the pressure regulating ring can slide away from the downstream water supply pipe and increase the communication area between the pressure regulating hole and the downstream water supply pipe to reduce the water pressure, thereby increasing the particle size of the droplets sprayed from the nozzle.

[0008] According to an exemplary embodiment of this disclosure, a rotating shaft is provided on the outer wall of the cylinder, the rotating shaft is rotatably mounted on the base, the rotating shaft passes through the pressure regulating housing and has a crank at its end, a sliding column is slidably disposed inside the pressure regulating housing, a connecting rod is hinged between the crank and the sliding column, and the pressure regulating ring is disposed on the sliding column. After the rotating shaft rotates, it can drive the pressure regulating ring to slide by means of the crank and the connecting rod.

[0009] According to an exemplary embodiment of this disclosure, a flow guide shroud is provided inside the pressure regulating housing at the end of the sliding column away from the pressure regulating assembly. The flow guide shroud has an opening facing the sliding column for accommodating the sliding column and slidingly engaging with it. A receiving tube is connected between the pressure regulating housing and the flow guide shroud. The rotating shaft passes through the pressure regulating housing and the flow guide shroud and is rotatably disposed within the receiving tube. The crank and the connecting rod are both located inside the flow guide shroud. The outer wall of the sliding column is in a sealing sliding engagement with the inner wall of the flow guide shroud to prevent water from entering the flow guide shroud.

[0010] According to an exemplary embodiment of this disclosure, the peripheral wall of the flow guide has an opening, and a flexible airbag is provided on the outer wall of the flow guide. The flexible airbag covers the outside of the opening and can deform when the sliding column slides to maintain normal air pressure inside the flow guide.

[0011] According to an exemplary embodiment of this disclosure, the air outlet end of the cylinder is provided with an annular water pipe, and there are multiple nozzles spaced apart on the annular water pipe. A flexible hose is connected between the annular water pipe and the water supply pipe. The flexible hose can deform when the cylinder swings to maintain the connection between the annular water pipe and the water supply pipe.

[0012] According to an exemplary embodiment of this disclosure, a drive motor, a fan, and guide vanes are provided inside the cylinder. The fan is rotatably disposed inside the cylinder and is driven and connected to the drive motor. The guide vanes are disposed at the air outlet end of the cylinder, and there are multiple guide vanes that are spaced apart circumferentially.

[0013] According to an exemplary embodiment of this disclosure, the air inlet end of the cylinder is provided with an annular support frame, and an annular filter screen is sleeved on the support frame for filtering the air entering the cylinder.

[0014] According to an exemplary embodiment of this disclosure, the support frame is rotatably disposed at the air inlet end of the cylinder, and a dust collection box corresponding to the support frame is disposed below the cylinder. A brush is disposed inside the dust collection box, and the brush can scrape the outer surface of the filter screen when the support frame rotates, so as to clean the accumulated dust into the dust collection box.

[0015] According to an exemplary embodiment of this disclosure, the drive motor is a dual-axis motor, and the output shafts on both sides of the dual-axis motor are respectively connected to the fan and the support frame for driving the fan and the support frame to rotate.

[0016] According to an exemplary embodiment of this disclosure, a horizontal rotating seat is rotatably disposed on the base, the cylinder is oscillatingly disposed on the horizontal rotating seat, and the water supply pipe is disposed on the horizontal rotating seat.

[0017] This invention provides a water-saving and environmentally friendly dust suppression device for construction engineering. By automatically adjusting the droplet size according to the characteristics of dust at different heights, it can more effectively suppress dust at different heights on the construction site. Fine dust at higher altitudes can be fully adsorbed by fine droplets, while larger dust particles at lower altitudes can be quickly wetted and settled by larger droplets, improving dust suppression efficiency and air quality at the construction site. Compared with traditional dust suppression devices, it avoids water waste caused by mismatch between droplet and dust particle sizes, reduces the generation of excess water droplets, and avoids problems such as muddy ground, thus saving water resources and protecting the construction environment. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of a water-saving and environmentally friendly dust suppression device for construction engineering provided in an embodiment of the present invention. Figure 2 This is a schematic diagram of the structure of a water-saving and environmentally friendly dust suppression device for construction engineering in another aspect of an embodiment of the present invention; Figure 3 This is an embodiment of the present invention. Figure 1 Schematic diagram of the internal structure of the middle cylinder; Figure 4 This is an embodiment of the present invention. Figure 1 Schematic diagram of the external structure of the pressure regulating housing; Figure 5 This is an embodiment of the present invention. Figure 1 A schematic diagram of the internal structure of the pressure regulating housing at one angle; Figure 6 This is an embodiment of the present invention. Figure 1 A schematic diagram of the internal structure of the pressure regulating housing from another angle.

[0020] In the diagram: 1. Base, 2. Cylinder, 3. Nozzle, 4. Water supply pipe, 5. Pressure regulating component, 501. Pressure regulating housing, 502. Pressure regulating ring, 503. Pressure regulating hole, 6. Shaft, 7. Crank, 8. Sliding column, 9. Connecting rod, 10. Flow guide, 11. Receiving tube, 12. Flexible airbag, 13. Annular water pipe, 14. Hose, 15. Drive motor, 16. Fan, 17. Flow guide plate, 18. Support frame, 19. Filter screen, 20. Dust collection box, 21. Brush, 22. Horizontal rotating seat. Detailed Implementation

[0021] The specific embodiments of this disclosure will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit this disclosure. For ease of understanding, the English abbreviations and related technical terms involved in the embodiments of this disclosure will be explained and described below.

[0022] It should be understood that the described embodiments are merely some, not all, of the embodiments disclosed herein. All other embodiments obtained by those skilled in the art based on the embodiments of this disclosure without inventive effort are within the scope of protection of this disclosure.

[0023] The terminology used in the embodiments of this disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of this disclosure. The singular forms “a,” “the,” and “the” as used in the embodiments of this disclosure and the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise.

[0024] It should be understood that the term "and / or" used in this article is merely a way of describing the logical relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this article generally indicates that the preceding and following related objects have an "or" relationship.

[0025] Depending on the context, the word "if" as used here can be interpreted as "when" or "when" or "in response to determination" or "in response to detection." Similarly, depending on the context, the phrase "if determination" or "if detection (of the stated condition or event)" can be interpreted as "when determination" or "in response to determination" or "when detection (of the stated condition or event)" or "in response to detection (of the stated condition or event)."

[0026] It should be understood that the terms "first," "second," etc., used in this disclosure are for distinguishing purposes only and should not be construed as indicating or implying relative importance or order.

[0027] In the description of this disclosure, the terms “center,” “upper,” “lower,” “front,” “back,” “left,” “right,” “vertical,” “horizontal,” “top,” “bottom,” “inner,” and “outer,” etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this disclosure and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and should not be construed as a limitation of this disclosure.

[0028] In the description of this disclosure, it should be noted that, unless otherwise expressly specified and limited, the terms "installation", "connection" and "joining" should be interpreted broadly, for example, they can be fixed connections, detachable connections, mating connections or integral connections; those skilled in the art can understand the specific meaning of the above terms in this disclosure according to the specific circumstances.

[0029] like Figures 1-6 As shown, this invention illustrates a water-saving and environmentally friendly dust suppression device for construction engineering, comprising a base 1, a cylinder 2, a nozzle 3, a water supply pipe 4, and a pressure regulating component 5. The base 1 serves as the supporting foundation for the entire device. The cylinder 2 is oscillatingly mounted on the base 1, allowing for flexible adjustment of the spray angle to cover areas at different heights, thus meeting the needs for dust suppression at varying heights. The nozzle 3 is installed at the end of the cylinder 2. The water supply pipe 4 is located on the base 1, with one end connected to the nozzle 3 and the other end connected to an external water supply unit to provide a continuous water source for the nozzle 3.

[0030] The pressure regulating assembly 5 includes a pressure regulating housing 501 and a pressure regulating ring 502. The pressure regulating housing 501 is connected in series with the water supply pipe 4 via a flange, dividing the water supply pipe 4 into upstream and downstream sections. The pressure regulating ring 502 is slidably disposed within the pressure regulating housing 501 and slides against the inner wall of the downstream water supply pipe 4. The pressure regulating ring 502 has a pressure regulating hole 503 along its extension direction. One end of the pressure regulating housing 501 is connected to the upstream water supply pipe 4, and the other end is connected to the downstream water supply pipe 4 via the pressure regulating hole 503.

[0031] The pressure regulating ring 502 slides against the inner wall of the downstream water supply pipe 4. Therefore, the portion of the pressure regulating hole 503 in contact with the inner wall of the water supply pipe 4 is blocked, preventing water flow. Thus, when the pressure regulating ring 502 slides within the pressure regulating housing 501, it changes the size of the connection area between the pressure regulating hole 503 and the downstream water supply pipe 4. When the pressure regulating ring 502 slides away from the downstream water supply pipe 4, the portion blocked by the inner wall of the water supply pipe 4 decreases, increasing the connection area between the pressure regulating hole 503 and the downstream water supply pipe 4. According to fluid dynamics principles, this leads to a decrease in water pressure. Conversely, when the pressure regulating ring 502 slides closer to the downstream water supply pipe 4, the connection area between the pressure regulating hole 503 and the downstream water supply pipe 4 decreases, and the water pressure increases accordingly.

[0032] The higher the water pressure, the finer the droplets sprayed from nozzle 3. When cylinder 2 swings upward, pressure regulating ring 502 slides closer to downstream water supply pipe 4, reducing the connection area between pressure regulating hole 503 and downstream water supply pipe 4, thus increasing water pressure and reducing the droplet size of nozzle 3. This allows for the generation of finer droplets when spraying water mist upward, meeting the dust suppression needs of fine dust at higher altitudes, increasing the contact area and probability with fine dust, and effectively adsorbing dust to achieve dust suppression. When cylinder 2 swings downward, pressure regulating ring 502 slides away from downstream water supply pipe 4, increasing the connection area between pressure regulating hole 503 and downstream water supply pipe 4, thus decreasing water pressure, and increasing the droplet size of nozzle 3. This results in better gravity settling and wetting ability, suitable for treating larger dust particles at lower altitudes, enabling faster contact with large dust particles and causing them to settle, achieving the purpose of dust suppression.

[0033] By automatically adjusting the droplet size according to the characteristics of dust at different heights, dust suppression at construction sites can be more effective. Fine dust particles at higher altitudes are fully adsorbed by the fine droplets, while larger dust particles at lower altitudes are quickly wetted and settled by the larger droplets, improving dust suppression efficiency and air quality at the construction site. Compared to traditional dust suppression devices, this method avoids water waste caused by mismatches between droplet and dust particle sizes, reduces the generation of excess water droplets, and prevents muddy ground, thus conserving water resources and protecting the construction environment.

[0034] In a specific embodiment, a rotating shaft 6 is installed on the outer wall of the cylinder 2. This shaft 6 is rotatably mounted in a horizontal rotating seat 22 on the base 1, allowing the cylinder 2 to swing around the shaft 6, thereby adjusting the spray angle. A water supply pipe 4 is also installed on the horizontal rotating seat 22, ensuring that the water supply pipe 4 rotates synchronously when the horizontal rotating seat 22 drives the cylinder 2 to rotate. To enable the swinging operation of the cylinder 2, a telescopic cylinder is installed between the horizontal rotating seat 22 and the cylinder 2. The two ends of the telescopic cylinder are hinged to the horizontal rotating seat 22 and the cylinder 2, respectively. When the telescopic cylinder extends or retracts, it causes the cylinder 2 to swing up and down around the shaft 6, thereby adjusting the spray angle to better cover areas at different heights and meet the dust suppression requirements for dust at different heights. The horizontal rotating seat 22 can be driven by a rotating drive (such as a motor with a reducer) to rotate horizontally on the base 1, increasing the spray coverage area and enabling the dust suppression device to treat a larger construction site area.

[0035] A rotating shaft 6 passes through the pressure regulating housing 501, and a crank 7 is installed at the end of the rotating shaft 6 located inside the pressure regulating housing 501. A sliding column 8 is slidably disposed inside the pressure regulating housing 501. The crank 7 and the sliding column 8 are connected by a connecting rod 9, with both ends of the connecting rod 9 hinged to the crank 7 and the sliding column 8, respectively. The pressure regulating ring 502 is mounted on the sliding column 8. When the cylinder 2 rotates, the rotating shaft 6 rotates synchronously, driving the crank 7 to rotate. The crank 7 pulls or pushes the sliding column 8 to slide within the pressure regulating housing 501 via the connecting rod 9, thereby driving the pressure regulating ring 502 mounted on the sliding column 8 to slide, thus realizing the linkage between the swing of the cylinder 2 and the sliding of the pressure regulating ring 502.

[0036] When the spray angle needs to be adjusted, the telescopic cylinder is controlled to extend or retract. When the telescopic cylinder extends, it pushes the cylinder 2 to swing upward around the rotating shaft 6, causing the nozzle 3 to lift upward and increasing the spray angle, which can suppress dust at higher locations. When the telescopic cylinder retracts, the cylinder 2 swings downward around the rotating shaft 6, the nozzle 3 tilts downward, and the spray angle decreases, which is suitable for suppressing dust at lower locations. To adjust the spray range, the rotating drive is activated, which in turn drives the horizontal rotating seat 22 to rotate horizontally on the base 1. The cylinder 2, connected to the horizontal rotating seat 22, also rotates horizontally, thereby expanding the spray coverage area and enabling dust suppression at different locations on the construction site. At the same time, the water supply pipe 4 also rotates horizontally synchronously with the horizontal rotating seat 22 to ensure the stability of the water supply.

[0037] When the cylinder 2 rotates around the shaft 6, the shaft 6 rotates synchronously, and the crank 7 installed at the end of the shaft 6 performs circular motion accordingly. Since the crank 7 is hinged to the connecting rod 9, and the connecting rod 9 is hinged to the sliding column 8, the circular motion of the crank 7 is converted into linear sliding of the sliding column 8 within the pressure regulating housing 501 through the connecting rod 9. Because the pressure regulating ring 502 is mounted on the sliding column 8, the sliding of the sliding column 8 drives the pressure regulating ring 502 to slide within the pressure regulating housing 501.

[0038] When the cylinder 2 swings upward, the rotating shaft 6 drives the crank 7 to rotate, and through the connecting rod 9, the sliding column 8 drives the pressure regulating ring 502 to slide towards the downstream water supply pipe 4, reducing the connection area between the pressure regulating hole 503 and the downstream water supply pipe 4, increasing the water pressure, and causing the nozzle 3 to spray out finer droplets to meet the dust suppression needs of fine dust at high altitudes; when the cylinder 2 swings downward, the opposite is also true.

[0039] The linkage between the swing of the cylinder 2 and the sliding of the pressure regulating ring 502 is achieved by means of the rotating shaft 6, crank 7, connecting rod 9, and sliding column 8. The position of the pressure regulating ring 502 can be adjusted according to the swing angle of the cylinder 2, thereby controlling the droplet size. This allows the droplet size to match the characteristics of dust at different heights, improving the dust suppression effect and avoiding water waste caused by unsuitable droplet size.

[0040] As a specific embodiment, a flow guide shroud 10 is provided inside the pressure regulating housing 501. One end of the flow guide shroud 10 is closed, and the other end is open. The closed end faces the upstream water supply pipe 4, and the open end faces the downstream water supply pipe 4. A receiving pipe 11 connects the pressure regulating housing 501 and the flow guide shroud 10. The rotating shaft 6 passes through the regulating housing and the flow guide shroud 10 and is located inside the receiving pipe 11. The receiving pipe 11 provides independent space for the rotating shaft 6, preventing water flow from contacting the rotating shaft 6. The outer wall of the sliding column 8 and the inner wall of the flow guide shroud 10 are sealed and slidingly fitted, similar to a piston structure. A conventional sliding sealing structure in the prior art can be configured between them.

[0041] When water enters the pressure regulating housing 501 from the upstream water supply pipe 4, it first impacts the closed end of the flow guide shroud 10. Due to the obstruction of the closed end of the flow guide shroud 10, the water flow spreads outwards along the outer wall of the flow guide shroud 10, enters the space between the pressure regulating housing 501 and the flow guide shroud 10, and then enters the downstream water supply pipe 4 through the pressure regulating hole 503.

[0042] During the oscillation of the cylinder 2, which drives the rotating shaft 6 to rotate, the rotating shaft 6 drives the sliding column 8 to slide within the guide shroud 10 via the crank 7 and connecting rod 9. Because the outer wall of the sliding column 8 is in a sealed sliding fit with the inner wall of the guide shroud 10, the isolation between the inside of the guide shroud 10 and the external water flow is ensured, preventing water from entering the guide shroud 10. This protects the crank 7, connecting rod 9, and bearings, shaft seals, and other components located within the guide shroud 10, as well as the rotating shaft 6 and the pressure regulating housing 501 and guide shroud 10. This allows the transmission structure to operate in a dry environment, avoiding problems such as rust, corrosion, aging, and water leakage that may occur due to water contact, thus ensuring the long-term reliability of the device.

[0043] As a specific embodiment, an annular opening is provided on the side wall of the flow guide shroud 10, and a flexible airbag 12 is installed on the outer wall of the flow guide shroud 10, covering the outside of the annular opening. Compared with the end of the flow guide shroud 10 facing the upstream water supply pipe 4, placing the flexible airbag 12 on the side wall can avoid the water flow from directly impacting it, ensuring its stable operation.

[0044] When the sliding column 8 slides inside the deflector 10, it changes the internal volume of the deflector 10. When the sliding column 8 reduces the internal volume of the deflector 10, the internal air pressure increases. The flexible airbag 12, under the pressure of the gas inside the deflector 10, expands and deforms outward, thereby increasing the external space, alleviating the increase in internal air pressure, and avoiding resistance to the sliding of the sliding column 8. Conversely, when the sliding column 8 increases the internal volume of the deflector 10 and the air pressure decreases, the flexible airbag 12 contracts and deforms inward, reducing the external space, causing the air pressure inside the deflector 10 to rise again. The deformation of the flexible airbag 12 balances the air pressure inside the deflector 10, ensuring that the sliding column 8 can slide normally and smoothly.

[0045] In a specific embodiment, an annular water pipe 13 is installed at the air outlet end of the cylinder 2, and multiple nozzles 3 are spaced apart on the annular water pipe 13. The annular water pipe 13 is connected to the water supply pipe 4 via a flexible hose 14. The flexible hose 14 has good flexibility and can deform when the cylinder 2 swings, while maintaining the connection between the annular water pipe 13 and the water supply pipe 4. A drive motor 15, a fan 16, and guide vanes 17 are installed inside the cylinder 2. The fan 16 is rotatably installed inside the cylinder 2 and is driven by the drive motor 15. When the drive motor 15 starts, it drives the fan 16 to rotate and generate airflow. The airflow blows the droplets sprayed from the nozzles 3 to the desired position, increasing the coverage and diffusion effect of the droplets. The guide vanes 17 are installed on the inner wall of the air outlet end of the cylinder 2, and multiple guide vanes 17 are arranged circumferentially at intervals. Their function is to guide the airflow to be blown out evenly and stably, avoiding turbulence or uneven distribution of the airflow.

[0046] Multiple nozzles 3 are spaced apart on the annular water pipe 13. Each nozzle 3 converts water into mist droplets under pressure and sprays them out. The nozzles 3 are evenly distributed in the annular area, and the sprayed mist droplets form a relatively uniform mist curtain, which can cover dust within a certain range, increase the probability of contact with dust, and thus improve the dust suppression effect.

[0047] When the cylinder 2 swings, the hose 14 connected to the annular water pipe 13 will deform accordingly with the swing direction and angle of the cylinder 2 to adapt to various swing conditions of the cylinder 2, and always maintain the connection between the annular water pipe 13 and the water supply pipe 4, so that the nozzle 3 can continuously receive water from the water supply pipe 4 no matter how the cylinder 2 swings.

[0048] The drive motor 15 drives the fan 16 to rotate, and the airflow generated by the rotation of the fan 16 flows inside the cylinder 2. The droplets sprayed from the nozzle 3 are carried out of the cylinder 2 by the airflow and diffused to a wider area. The guide vane 17 guides the airflow, adjusting its direction and speed as it passes through the guide vane 17, making the flow more uniform and stable.

[0049] As a specific embodiment, an annular support frame 18 is installed at the air inlet end of the cylinder 2, and an annular filter 19 is tightly fitted onto the support frame 18. The air at construction sites often contains various dust and debris. If this debris enters the cylinder 2, it may damage internal components such as the fan 16, affecting the normal operation of the device. The filter 19 can effectively intercept this debris, ensuring that the air entering the cylinder 2 is relatively clean, providing a good working environment for components such as the fan 16, and also ensuring the cleanliness of the inside of the cylinder 2.

[0050] The support frame 18 is rotatably mounted at the air inlet end of the cylinder 2. A dust collection box 20 is provided on the outer wall of the cylinder 2, and a brush 21 is installed inside the dust collection box 20. The drive motor 15 in this design is a dual-shaft motor. One of its output shafts is connected to the fan 16, driving the fan 16 to rotate and providing power for the diffusion of mist droplets; the other output shaft is driven and connected to the support frame 18 via a reducer. When the drive motor 15 operates, it drives the support frame 18 to rotate, and the filter screen 19 fitted on the support frame 18 rotates accordingly. During the rotation of the filter screen 19, it is always in contact with the brush 21 inside the dust collection box 20. The brush 21 continuously scrapes the outer surface of the filter screen 19, scraping off the dust accumulated on the filter screen 19 and causing it to fall into the dust collection box 20, preventing the filter pores of the filter screen 19 from being blocked by dust accumulation, thus maintaining a good filtration effect.

[0051] The dust collection box 20 can adopt a detachable sliding structure with a sliding rail, which makes it easy to disassemble the dust collection box 20. When a lot of dust accumulates in the dust collection box 20, the dust collection box 20 can be pulled out from the outer wall of the cylinder 2 along the slide, the dust can be emptied, and then it can be inserted back into its original position to complete the cleaning work. The operation is simple and improves the maintenance efficiency of the device.

[0052] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A water-saving and environmentally friendly dust suppression device for construction engineering, characterized in that, It includes a base (1), a cylinder (2), a nozzle (3), a water supply pipe (4), and a pressure regulating component (5). The cylinder (2) is swayed on the base (1). The nozzle (3) is located at the air outlet of the cylinder (2). The water supply pipe (4) is located on the base (1). One end of the water supply pipe (4) is connected to the nozzle (3), and the other end is used to connect to the water supply unit. The pressure regulating assembly (5) includes a pressure regulating housing (501) and a pressure regulating ring (502). The pressure regulating housing (501) is connected in series to the water supply pipe (4). The pressure regulating ring (502) is slidably disposed in the pressure regulating housing (501). The pressure regulating ring (502) is slidably engaged with the inner wall of the downstream water supply pipe (4). The pressure regulating ring (502) has an opening facing the downstream water supply pipe (4). The pressure regulating ring (502) has a pressure regulating hole (503) on its peripheral wall. One end of the pressure regulating housing (501) is connected to the upstream water supply pipe (4), and the other end is connected to the downstream water supply pipe (4) through the pressure regulating hole (503). The pressure regulating ring (502) can slide as the cylinder (2) swings; When the cylinder (2) swings upward, the pressure regulating ring (502) can slide towards the downstream water supply pipe (4) and reduce the communication area between the pressure regulating hole (503) and the downstream water supply pipe (4) to increase the water pressure and make the droplet size of the nozzle (3) smaller. When the cylinder (2) swings downward, the pressure regulating ring (502) can slide away from the downstream water supply pipe (4) and increase the communication area between the pressure regulating hole (503) and the downstream water supply pipe (4) to reduce the water pressure, so that the droplets sprayed by the nozzle (3) become larger.

2. The water-saving and environmentally friendly dust suppression device for construction engineering as described in claim 1, characterized in that, The outer wall of the cylinder (2) is provided with a rotating shaft (6), which is rotatably mounted on the base (1). The rotating shaft (6) passes through the pressure regulating housing (501) and has a crank (7) at its end. A sliding column (8) is slidably mounted inside the pressure regulating housing (501). A connecting rod (9) is hinged between the crank (7) and the sliding column (8). The pressure regulating ring (502) is mounted on the sliding column (8). After the rotating shaft (6) rotates, it can drive the pressure regulating ring (502) to slide by means of the crank (7) and the connecting rod (9).

3. The water-saving and environmentally friendly dust suppression device for construction engineering as described in claim 2, characterized in that, The pressure regulating housing (501) is provided with a flow guide (10) located at the end of the sliding column (8) away from the pressure regulating assembly (5). The flow guide (10) has an opening facing the sliding column (8) for accommodating the sliding column (8) and slidingly engaging with the sliding column (8). A receiving tube (11) is connected between the pressure regulating housing (501) and the flow guide (10). The rotating shaft (6) passes through the pressure regulating housing (501) and the flow guide (10) and is rotatably disposed in the receiving tube (11). The crank (7) and the connecting rod (9) are both located inside the flow guide (10). The outer wall of the sliding column (8) is in a sealed sliding engagement with the inner wall of the flow guide (10) to prevent water from entering the flow guide (10).

4. A water-saving and environmentally friendly dust suppression device for construction engineering as described in claim 3, characterized in that, The flow guide (10) has an opening on its peripheral wall, and a flexible airbag (12) is provided on the outer wall of the flow guide (10). The flexible airbag (12) covers the outside of the opening and can deform when the sliding column (8) slides to maintain the normal air pressure inside the flow guide (10).

5. A water-saving and environmentally friendly dust suppression device for construction engineering as described in claim 1, characterized in that, The air outlet of the cylinder (2) is provided with an annular water pipe (13). There are multiple nozzles (3) and they are spaced apart on the annular water pipe (13). A flexible hose (14) is connected between the annular water pipe (13) and the water supply pipe (4). The flexible hose (14) can deform when the cylinder (2) swings to maintain the connection between the annular water pipe (13) and the water supply pipe (4).

6. A water-saving and environmentally friendly dust suppression device for construction engineering according to claim 5, characterized in that, The cylinder (2) is equipped with a drive motor (15), a fan (16) and a guide vane (17). The fan (16) is rotatably disposed inside the cylinder (2) and is driven and connected to the drive motor (15). The guide vane (17) is disposed at the air outlet of the cylinder (2). There are multiple guide vanes (17) and they are spaced apart along the circumference.

7. A water-saving and environmentally friendly dust suppression device for construction engineering according to claim 6, characterized in that, The air inlet of the cylinder (2) is provided with an annular support frame (18), and an annular filter screen (19) is fitted on the support frame (18). The filter screen (19) is used to filter the air entering the cylinder (2).

8. A water-saving and environmentally friendly dust suppression device for construction engineering according to claim 7, characterized in that, The support frame (18) is rotatably mounted at the air inlet end of the cylinder (2). A dust collection box (20) corresponding to the support frame (18) is provided below the cylinder (2). A brush (21) is provided inside the dust collection box (20). The brush (21) can scrape the outer surface of the filter screen (19) when the support frame (18) rotates, so as to clean the accumulated dust into the dust collection box (20).

9. A water-saving and environmentally friendly dust suppression device for construction engineering according to claim 8, characterized in that, The drive motor (15) is a dual-axis motor. The output shafts on both sides of the dual-axis motor are respectively connected to the fan (16) and the support frame (18) for driving the fan (16) and the support frame (18) to rotate.

10. A water-saving and environmentally friendly dust suppression device for construction engineering according to claim 1, characterized in that, A horizontal rotating seat (22) is rotatably mounted on the base (1), the cylinder (2) is oscillatingly mounted on the horizontal rotating seat (22), and the water supply pipe (4) is mounted on the horizontal rotating seat (22).

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