A dust purification device for construction sites
By using a dust purification device with a combination of atomizing nozzles and fan blades at construction sites, the shortcomings of existing devices in terms of dust suppression and resource recovery have been solved, achieving wider dust coverage and more efficient dust suppression, and adapting to the dust treatment needs at different heights.
Patent Information
- Application Number
- CN202522762327.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-26
- Publication Date
- 2026-11-06
- Estimated Expiration
- 2035-12-26
AI Technical Summary
Existing dust control devices at construction sites are inadequate in terms of dust suppression and resource recovery. In particular, their dust suppression effect is poor when the water curtain coverage area is limited, making it difficult to meet the needs of efficient dust suppression and flexible operation.
A dust purification device for construction sites was designed, which adopts a combination structure of atomizing nozzles, fan blades and dust collection chamber. The spray range is expanded by rotating the atomizing nozzles, and the suction force generated by the fan blades is used to collect dust. The dust is collected and recycled through the dust collection chamber. The multi-angle adjustment and rotation of the atomizing nozzles are realized by using a motor to drive the cross linkage shaft and the adjustment frame, thereby enhancing the dust reduction effect.
It achieves wider dust coverage and more efficient dust suppression, reduces the re-diffusion of dust, improves resource recycling efficiency, and adapts to the dust treatment needs at different altitudes.
Smart Images

Figure CN224937904U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of building construction technology, specifically a dust purification device for building construction sites. Background Technology
[0002] With the rapid development of the construction industry, dust pollution has become an increasingly prominent issue. To reduce the impact of construction site dust on the environment and worker health, various dust purification devices have been developed and applied. However, existing technologies still have some shortcomings in practical use, making it difficult to fully meet the needs of construction sites for efficient dust suppression, flexible operation, and resource recovery.
[0003] According to our research, existing technologies for dust purification and removal in construction sites mainly rely on rotating sprayers to achieve water spraying for dust suppression. Water curtain nozzles form a water curtain barrier to intercept and adsorb dust. Although this design has certain advantages in dust suppression and wastewater recycling, its dust suppression effect mainly depends on the coverage area of the water curtain. However, the formation of the water curtain is limited by water flow pressure and nozzle arrangement density, which may lead to poor dust suppression in some areas. Therefore, we propose a dust purification device for construction sites. Utility Model Content
[0004] This invention provides a dust purification device for construction sites, which solves the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: a dust purification device for construction sites, including an installation base, a top cover on the top of the installation base, an atomizing nozzle between the installation base and the top cover, a connecting ring frame rotatably arranged on the outer periphery between the installation base and the top cover, and the atomizing nozzle vertically rotatably arranged on the outer periphery of the connecting ring frame; The bottom of the mounting base is connected to a dust collection bin, and a dust collection port is opened on the outer periphery of the bottom of the mounting base. A dust collection chamber is opened inside the mounting base at the top of the dust collection bin. A fan blade is rotatably installed on the top of the dust collection chamber, and a conical filter screen is installed between the fan blade and the dust collection bin in the dust collection chamber. The dust collection chamber has an air outlet at the top, located below the atomizing nozzle.
[0006] Preferably, one end of the atomizing nozzle extends into the interior of the mounting base and the top cover, and an adjustment bracket is hinged to the end of the nozzle. An adjustment frame is hinged to one end of the adjustment bracket, and the adjustment frame can be vertically raised, lowered, and rotated.
[0007] Preferably, an external threaded positioning post is installed in the middle of the bottom of the top cover, and a lifting sleeve is threadedly connected to the outer side of the external threaded positioning post. The outer side of the bottom end of the lifting sleeve is rotatably connected to the top of the adjusting frame.
[0008] Preferably, a transfer chamber is installed in the middle of the top of the mounting base, and a water supply hose for connecting the atomizing nozzle and the transfer chamber is installed between the outer periphery of the transfer chamber and the atomizing nozzle. A water inlet hose extending out of the mounting base is installed on the outer side of the transfer chamber, and the water inlet hose supplies water by pumping.
[0009] Preferably, a motor is installed inside the mounting base, and the output shaft of the motor is vertically connected to a cross linkage shaft. The top end of the cross linkage shaft extends into the external threaded positioning post and is rotatably connected to the external threaded positioning post. The top end of the cross linkage shaft passes through the center of the adjusting frame and is slidably inserted into the adjusting frame.
[0010] Preferably, the top end of the cross linkage shaft passes through the fan blade, the transfer chamber, and the adjustment frame in sequence; The cross-shaped linkage shaft is rotatably connected to the transfer chamber in the middle, and the fan blades are inserted into the cross-shaped linkage shaft.
[0011] Preferably, the top of the top cover and the top of the mounting base are spherical, and the bottom of the mounting base is cylindrical, with the bottom radius of the mounting base being smaller than the radius of the sphere.
[0012] Preferably, the connecting ring frame is composed of two halves joined together. The two halves of the connecting ring frame are joined together by bolts to enclose the rotation of the atomizing nozzle. The top and bottom of the connecting ring frame are provided with ring grooves. The cross-section of the ring groove is T-shaped. T-shaped threaded columns are slidably connected in the ring grooves. The threaded columns pass through the mounting base and the top cover respectively and are connected with nuts. Magnets that attract each other are connected between the mounting base and the top cover.
[0013] This utility model has the following beneficial effects: 1. The dust purification device at the construction site can collect and concentrate dust through the rotation of the fan blades, and with the cooperation of the atomizing nozzles, the dust treatment is more thorough and the treatment effect is better.
[0014] 2. The dust purification device at the construction site can blow the water mist sprayed by the atomizing nozzle further through the air outlet of the dust collection chamber, thereby improving the dust treatment effect. It also sucks in the dust in the dust collection chamber and collects it in the dust collection bin, preventing the dust from drying and forming dust again, thus reducing the dust pollution. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a cross-sectional structural diagram of the present invention; Figure 3 This is a schematic diagram of the connecting ring frame structure of this utility model; Figure 4 This is a schematic diagram of the structure of the adjustment frame connection of this utility model; Figure 5 This is a cross-sectional structural diagram of the segment connection of this utility model; Figure 6 This is a schematic diagram of the cross linkage shaft of this utility model.
[0016] In the diagram: 1. Mounting base; 101. Dust collection port; 2. Top cover; 201. External thread positioning post; 3. Dust collection chamber; 4. Atomizing nozzle; 401. Transfer chamber; 402. Water supply hose; 403. Water inlet hose; 5. Connecting ring frame; 6. Motor; 7. Conical filter screen; 8. Adjusting frame; 9. Fan blade; 10. Cross linkage shaft; 11. Adjusting bracket; 12. Lifting sleeve. Detailed Implementation
[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0018] Please see Figures 1 to 6 A dust purification device for construction sites includes a mounting base 1, a top cover 2 on the top of the mounting base 1, an atomizing nozzle 4 between the mounting base 1 and the top cover 2, a connecting ring frame 5 rotatably arranged on the outer periphery between the mounting base 1 and the top cover 2, and the atomizing nozzle 4 rotatably arranged on the outer periphery of the connecting ring frame 5. The bottom of the mounting base 1 is connected to a dust collection chamber 3. A dust collection port 101 is opened on the outer periphery of the bottom of the mounting base 1. A dust collection chamber is opened inside the mounting base 1 at the top of the dust collection chamber 3. A fan blade 9 is rotatably installed on the top of the dust collection chamber. A conical filter screen 7 is provided between the fan blade 9 and the dust collection chamber 3. An air outlet is provided at the top of the dust collection chamber, located below the atomizing nozzle 4.
[0019] The rotation of the connecting ring 5 drives the atomizing nozzle 4 to rotate, thus widening its spray range. Adjusting the rotation of the atomizing nozzle 4 changes its elevation angle, allowing it to adapt to different levels of dust. It can effectively treat high-level dust. The rotation of the fan blades 9 generates suction through the dust collection port 101, drawing in and collecting surrounding dust. This concentrates the dust within the device, improving its dust-handling effect even when the spray range of the atomizing nozzle 4 is limited. The water mist sprayed by the atomizing nozzle 4 is blown further through the air outlet, further enhancing the dust-handling effect. Dust collected in the dust collection chamber is deposited in the dust collection bin 3 for collection, preventing the dust from drying and re-forming into dust, thus reducing dust pollution.
[0020] Please see Figures 1 to 6 One end of the atomizing nozzle 4 extends into the interior of the mounting base 1 and the top cover 2, and the end is hinged to an adjustment bracket 11. One end of the adjustment bracket 11 is hinged to an adjustment frame 8, which can be vertically raised, lowered, and rotated.
[0021] Under the action of the lifting and lowering of the adjusting frame 8, the atomizing nozzle 4 can be rotated vertically through the transmission of the adjusting bracket 11, thereby adjusting the elevation angle of the atomizing nozzle 4. Under the action of the rotation of the adjusting frame 8, the atomizing nozzle 4 and the connecting ring frame 5 can also be rotated.
[0022] Please see Figures 1 to 6 An external threaded positioning post 201 is installed in the middle of the bottom of the top cover 2. The outer side of the external threaded positioning post 201 is threadedly connected to a lifting sleeve 12. The outer side of the bottom end of the lifting sleeve 12 is rotatably connected to the top of the adjusting frame 8.
[0023] The rotation of the lifting sleeve 12 enables the adjusting frame 8 to rise and fall. The rotation of the lifting sleeve 12 and the adjusting frame 8 ensures the smooth rotation of the adjusting frame 8 after adjustment, thus achieving the effect of adjusting the height of the adjusting frame 8.
[0024] Please see Figures 1 to 6 A transfer chamber 401 is installed in the middle of the top of the mounting base 1. A water supply hose 402 for connecting the atomizing nozzle 4 and the transfer chamber 401 is installed between the outer periphery of the transfer chamber 401 and the atomizing nozzle 4. A water inlet hose 403 extending out of the mounting base 1 is installed on the outer side of the transfer chamber 401. The water inlet hose 403 supplies water by pumping.
[0025] Water is supplied to the transfer chamber 401 through the water inlet hose 403, and the water is transferred to each atomizing nozzle 4 through the transfer chamber 401.
[0026] Please see Figures 1 to 6The motor 6 is installed inside the mounting base 1. The output shaft of the motor 6 is vertically connected to the cross linkage shaft 10. The top end of the cross linkage shaft 10 extends into the external thread positioning post 201 and is rotatably connected to the external thread positioning post 201. The top end of the cross linkage shaft 10 passes through the center of the adjusting frame 8 and is slidably inserted into the adjusting frame 8.
[0027] Driven by the output shaft of motor 6, the cross linkage shaft 10 can rotate, which in turn drives the adjustment frame 8 to rotate. The adjustment frame 8 can slide vertically on the cross linkage shaft 10, ensuring that while the cross linkage shaft 10 transmits power to the adjustment frame 8, the adjustment frame 8 can also be vertically raised and lowered.
[0028] Please see Figures 1 to 6 The top of the cross linkage shaft 10 passes through the fan blade 9, the transfer chamber 401 and the adjustment frame 8 in sequence; The cross linkage shaft 10 is rotatably connected to the transfer chamber 401, and the fan blade 9 is inserted into the cross linkage shaft 10.
[0029] The rotation of the cross linkage shaft 10 enables the fan blades 9 to rotate, generating negative pressure to collect dust.
[0030] Please see Figures 1 to 6 The top of the top cover 2 and the top of the mounting base 1 are spherical, and the bottom of the mounting base 1 is cylindrical, with the bottom radius of the mounting base 1 being smaller than the radius of the sphere.
[0031] The spherical design effectively protects the device, cushions external impacts, and reduces dust accumulation.
[0032] Please see Figures 1 to 6 The connecting ring frame 5 is composed of two halves joined together. The two halves of the connecting ring frame 5 are joined together by bolts to enclose the rotation of the atomizing nozzle 4. The top and bottom of the connecting ring frame 5 are provided with ring grooves. The cross-section of the ring groove is T-shaped. T-shaped threaded columns are slidably connected in the ring groove. The threaded columns pass through the mounting base 1 and the top cover 2 respectively and are connected with nuts. Magnets that attract each other are connected between the mounting base 1 and the top cover 2.
[0033] In summary, when the dust purification device at the construction site is in use, the cross linkage shaft 10 rotates under the drive of the output shaft of the motor 6, which in turn drives the fan blades 9 and the adjusting frame 8 to rotate. The rotation of the fan blades 9 creates a negative pressure, which causes the dust collection port 101 to generate suction, thus drawing in and concentrating the surrounding dust and bringing it closer to the device. Under the action of the rotation of the adjusting frame 8, the adjusting bracket 11 drives the atomizing nozzle 4, causing the atomizing nozzle 4 and the connecting ring frame 5 to rotate together, achieving rotating spraying and covering a wider area. Under the action of the rotating lifting sleeve 12, the adjusting frame 8 can be raised and lowered, and through the transmission of the adjusting bracket 11, the atomizing nozzle 4 can be vertically angled. Water is pumped from the inlet hose 403 into the transfer chamber 401 and then transferred to the atomizing nozzle 4 via the water delivery hose 402.
[0034] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not 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 therefore should not be construed as a limitation of this utility model; the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In addition, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances. Moreover, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A dust purification device for construction sites, comprising a mounting base (1), a top cover (2) provided on the top of the mounting base (1), and an atomizing nozzle (4) provided between the mounting base (1) and the top cover (2), characterized in that: A connecting ring frame (5) is rotatably provided on the outer periphery between the mounting base (1) and the top cover (2), and the atomizing nozzle (4) is rotatably provided on the outer periphery of the connecting ring frame (5); The bottom of the mounting base (1) is connected to a dust collection chamber (3). A dust collection port (101) is opened on the outer periphery of the bottom of the mounting base (1). A dust collection chamber is opened inside the mounting base (1) at the top of the dust collection chamber (3). A fan blade (9) is rotatably installed on the top of the dust collection chamber. A conical filter screen (7) is provided between the fan blade (9) and the dust collection chamber (3). The dust collection chamber has an air outlet located below the atomizing nozzle (4) at the top.
2. The dust purification device for construction sites according to claim 1, characterized in that: One end of the atomizing nozzle (4) extends into the interior of the mounting base (1) and the top cover (2), and an adjustment bracket (11) is hinged to the end. An adjustment frame (8) is hinged to one end of the adjustment bracket (11), and the adjustment frame (8) can be vertically raised, lowered, and rotated.
3. The dust purification device for construction sites according to claim 2, characterized in that: An external threaded positioning post (201) is installed in the middle of the bottom of the top cover (2). The outer side of the external threaded positioning post (201) is threadedly connected to a lifting sleeve (12). The outer side of the bottom end of the lifting sleeve (12) is rotatably connected to the top of the adjusting frame (8).
4. The dust purification device for construction sites according to claim 3, characterized in that: A transfer chamber (401) is installed in the middle of the top of the mounting base (1). A water supply hose (402) for connecting the atomizing nozzle (4) and the transfer chamber (401) is installed between the outer periphery of the transfer chamber (401) and the atomizing nozzle (4). A water inlet hose (403) extending out of the mounting base (1) is installed on the outside of the transfer chamber (401). The water inlet hose (403) supplies water by pumping.
5. The dust purification device for construction sites according to claim 4, characterized in that: The mounting base (1) is equipped with a motor (6). The output shaft of the motor (6) is vertically connected to a cross linkage shaft (10). The top end of the cross linkage shaft (10) extends into the external thread positioning post (201) and is rotatably connected to the external thread positioning post (201). The top end of the cross linkage shaft (10) passes through the center of the adjusting frame (8) and is slidably inserted into the adjusting frame (8).
6. The dust purification device for construction sites according to claim 5, characterized in that: The top of the cross linkage shaft (10) passes through the fan blade (9), the transfer chamber (401) and the adjustment frame (8) in sequence. The cross linkage shaft (10) is rotatably connected to the transfer chamber (401), and the fan blade (9) is inserted into the cross linkage shaft (10).
7. The dust purification device for construction sites according to claim 6, characterized in that: The top of the top cover (2) and the top of the mounting base (1) are spherical, and the bottom of the mounting base (1) is cylindrical. The bottom radius of the mounting base (1) is smaller than the radius of the sphere.
8. The dust purification device for construction sites according to claim 7, characterized in that: The connecting ring frame (5) is composed of two halves joined together. The two halves of the connecting ring frame (5) are joined together by bolts to enclose the rotation of the atomizing nozzle (4). The top and bottom of the connecting ring frame (5) are provided with ring grooves. The cross-section of the ring groove is T-shaped. T-shaped threaded columns are slidably connected in the ring groove. The threaded columns pass through the mounting base (1) and the top cover (2) respectively and are connected with nuts. Magnets that attract each other are connected between the mounting base (1) and the top cover (2).
