Flying dust control device for building construction site

Abstract

The utility model discloses a raising dust control device for a building construction site, and belongs to the technical field of building raising dust control. The dust removal device mainly comprises a rack, a dust storage box is fixedly connected to the rack, a dust removal box is fixedly connected to the upper end of the dust storage box, a separation device and a filtering water tank are arranged in the dust removal box, the separation device comprises a separation barrel, and an air inlet is connected to the position, close to the side wall, of the separation barrel and communicated with a dust suction pipeline. The bottom of the separation barrel is communicated with the dust storage box, the top of the separation barrel is communicated with the filtering water tank through a separation air outlet pipe, a fan is arranged at the top of the filtering water tank, a filtering mechanism matched with the separation air outlet pipe is arranged in the filtering water tank, and the side, away from the separation air outlet pipe, of the filtering water tank is communicated with a clean air outlet pipe. The separating device and the filtering water tank are additionally arranged, the separating device separates most dust, the filtering water tank filters tiny dust through rotational flow formed in the filtering mechanism, a filtering net does not need to be arranged, and the filtering effect is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the building dust control technical field, concretely, especially relate to a dust control device for building construction site. BACKGROUND

[0002] When outdoor building construction such as earthwork excavation, backfilling and building demolition is carried out, wet operation methods such as water spraying and mist spraying are mainly adopted to reduce dust pollution. For indoor construction of buildings, such as wall plastering, leveling and slotting, dust phenomenon is also very large. Wet operation in the indoor environment will cause the ground to be wet and muddy, and it is extremely inconvenient to clean. Therefore, dry methods are mainly used for dust treatment in the indoor environment. Dry dust control devices usually use multiple filter screens for filtration. The filter screens need to be cleaned regularly, and extremely fine dust can easily block the filter screens, resulting in frequent replacement of the filter screens and high cost.

[0003] Patent No. CN219615202U discloses a construction dust control device. Dust is sucked into the collection box by multiple air suction machines. The dust in the collection box eventually falls into the water tank at the bottom of the collection box for unified treatment. The device achieves dust control while avoiding making the site wet and slippery. However, the above-mentioned device still has the following defects during use: 1. Dust enters the collection box through the screen holes on the shell, which cannot achieve directional treatment of the dust, and the screen holes are easily blocked. Even if a cleaning device is used, the screen holes cannot be completely cleaned; 2. Dust forms sludge in the water tank, which is time-consuming and laborious to clean. UTILITY MODEL CONTENTS

[0004] The utility model wants to solve the technical problem: overcome the prior art's insufficient, provide a dust control device for building construction site, its add separation device and filter water tank, separation device separates most of the dust, filter water tank passes through the cyclone formed in the filter mechanism to filter extremely fine dust, need not set up filter screen, greatly improve the filtration effect.

[0005] The dust control device for building construction site, including the frame, the frame is fixedly connected with the dust storage box, the upper end of the dust storage box is fixedly connected with the dust removal box, the dust removal box is equipped with separation device and filter water tank, the separation device includes separation cylinder, the separation cylinder is connected with the air inlet near the position of the side wall, the air inlet is connected with the dust suction pipeline, the bottom of the separation cylinder is communicated with the dust storage box, the top of the separation cylinder is communicated with the filter water tank through the separation air outlet pipe, the top of the filter water tank is equipped with the fan, the filter water tank is equipped with the filter mechanism matched with the separation air outlet pipe, the side away from the separation air outlet pipe of the filter water tank is communicated with the clean air outlet pipe.

[0006] Preferably, the lower end of the separation cylinder is provided with a conical cylinder, and the bottom of the conical cylinder is communicated with a dust outlet pipe; the inner top of the dust storage box is fixedly connected with a supporting cylinder matched with the conical cylinder, and the bottom of the supporting cylinder is fixedly connected with a dustproof soft pad two matched with the dust outlet pipe.

[0007] Preferably, the inner side walls of the four peripheries of the dust storage box are respectively provided with dust falling guide plates, and the dust falling guide plates are obliquely arranged towards the interior of the dust storage box, the upper ends of the dust falling guide plates are fixedly connected with the inner side walls of the dust storage box, and the dust falling guide plates are arranged below the supporting cylinder.

[0008] Preferably, dust collecting boxes are arranged below the dust falling guide plates, and the inner side walls of the two sides of the dust storage box are respectively fixedly connected with sliding rails in sliding cooperation with the dust collecting boxes, and the outer part of each dust collecting box is fixedly connected with a handle.

[0009] Preferably, the filter water tank comprises a tank body, a sealing cover is arranged at the upper part of the tank body, the sealing cover is sealingly connected with the tank body through a lock buckle, a mounting hole corresponding to the fan is formed in the sealing cover, the fan is fixedly installed in a protective cover, and the protective cover is fixedly connected with the sealing cover.

[0010] Preferably, a plurality of heat dissipation holes are formed in the top of the protective cover.

[0011] Preferably, an air inlet hole communicated with the separation air outlet pipe is formed in the tank body, the filter mechanism comprises an upper fixed plate arranged above the air inlet hole and fixedly connected with the inner side wall of the tank body, a vertical side wind baffle is fixedly connected to one end of the upper fixed plate, the bottom of the side wind baffle is bent away from the air inlet hole, a filter guide plate is fixedly connected to the side of the side wind baffle away from the air inlet hole, the bottom of the filter guide plate is bent towards the side of the side wind baffle, the bottom of the filter guide plate is lower than the side wind baffle, and a water baffle fixedly connected with the side wind baffle is arranged above the filter guide plate.

[0012] Preferably, the end of the water baffle away from the side wind baffle is in an arc structure, and the arc structure is bent towards the side of the filter guide plate.

[0013] Preferably, a downwardly inclined upper wind baffle is arranged below the fan and fixedly connected with the tank body.

[0014] Preferably, moving wheels are fixedly connected to the four peripheries of the bottom of the rack.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The separation device is additionally arranged, dust can automatically fall into the dust storage box under the action of centrifugal force and gravity, the dust storage box does not need to be disassembled, dust can be quickly cleaned through the dust collecting box, and the utility model is convenient to use.

[0017] 2. The filter water tank is additionally arranged, the gas separated by the separating device is introduced into the filter water tank, at this time, the dust content in the gas is low, only a small amount of extremely fine dust, the water in the filter water tank forms a cyclone in the filter mechanism under the negative pressure of the fan, so that the extremely fine dust can be fully combined with the cyclone, avoiding the extremely fine dust being discharged with the clean air outlet pipe, greatly improving the filtering effect, and the sewage in the filter water tank is not easy to produce sediment and sludge, cleaning is more convenient, and the cleaning period is prolonged.

[0018] 3. The separating device and the filter water tank are arranged in the dust removal tank, the dust removal tank plays the role of protecting the separating device and the filter water tank on the one hand, and has the role of noise reduction on the other hand. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the utility model;

[0020] Figure 2 It is an internal overhead structural schematic view of the utility model;

[0021] Figure 3 It is an installation schematic view of the dust removal tank and the dust storage tank;

[0022] Figure 4 It is a cooperation structural schematic view of the separating device, the filter water tank and the dust storage tank;

[0023] Figure 5 It is a structural schematic view of the protective cover;

[0024] Figure 6 It is a structural schematic view of the separating device;

[0025] Figure 7 It is an internal structural schematic view of the filter water tank and the dust storage tank;

[0026] Figure 8 It is an installation schematic view of the fan and the protective cover;

[0027] Figure 9 It is a cooperation schematic view of the dust storage tank and the dust collecting box.

[0028] In the diagram: 1. Frame; 101. Push handle; 102. Suction pipe; 2. Casters; 3. Dust collection box; 301. Support cylinder; 302. Dustproof pad II; 303. Dust guide plate; 304. Slide rail; 4. Dust collection box; 401. Handle; 5. Dust removal box; 501. Protective cover; 502. Dustproof pad I; 6. Separation device; 601. Air inlet; 602. Separation outlet duct; 603. Separation cylinder; 604. Conical cylinder; 605. Dust outlet pipe; 7. Filter water tank; 701. Protective cover; 702. Sealing cover; 703. Heat dissipation hole; 704. Fan; 705. Upper baffle plate; 706. Upper fixing plate; 707. Air inlet; 708. Side baffle plate; 709. Filter guide plate; 710. Water baffle plate; 711. Clean air outlet pipe; 712. Locking buckle. Detailed Implementation

[0029] The present invention will be further described below with reference to the accompanying drawings:

[0030] The directional terms used in the detailed description paragraphs are only for the convenience of those skilled in the art to understand the technical solutions described in this application based on the visual orientation shown in the accompanying drawings. Unless otherwise expressly specified and limited, the terms "setting," "installation," "connection," etc., should be interpreted broadly, and those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0031] like Figures 1 to 9 As shown, a dust control device for construction sites includes a frame 1, which provides support. Four casters 2 are fixedly connected to the four corners of the frame 1. A push handle 101 is fixedly connected to the top of the frame 1, allowing the device to be moved. A dust collection box 3 is fixedly connected to the frame 1, used to hold the collected dust and waste. A dust removal box 5 is fixedly connected to the upper end of the dust collection box 3. The dust removal box 5 contains a separation device 6 and a filter water tank 7, serving to protect the separation device 6 and the filter water tank 7, and to reduce noise.

[0032] like Figure 6As shown, the separation device 6 includes a separation cylinder 603, the lower part of the separation cylinder 603 is funnel-shaped structure, the upper part of the separation cylinder 603 is connected with the air inlet 601 near the side wall, the air inlet 601 enters the inside of the separation cylinder 603 along the inside wall of the separation cylinder 603, the air inlet 601 is communicated with the dust suction pipe 102 in use, the dust suction pipe 102 is provided with a horn-shaped dust suction port at the end, which is used for directional cleaning of dust during construction; the lower end of the separation cylinder 603 is provided with a conical cylinder 604, the bottom of the conical cylinder 604 is communicated with the dust outlet pipe 605, the dust outlet pipe 605 at the bottom of the separation cylinder 603 is communicated with the dust storage box 3, the top of the separation cylinder 603 is communicated with the air inlet hole 707 on the filter water tank 7 through the separation air outlet pipe 602, the top of the filter water tank 7 is provided with a fan 704, the filter water tank 7 is provided with a filter mechanism matched with the separation air outlet pipe 602, and the side of the filter water tank 7 away from the separation air outlet pipe 602 is communicated with the clean air outlet pipe 711.

[0033] The utility model discloses a fan 704 generates negative pressure and processes dust, dust-containing gas enters the separation device 6 through the dust suction pipe 102, the separation device 6 adopts centrifugal force to make dust fall into the dust storage box 3 under the action of gravity, very small dust enters the filter water tank 7 through the separation air outlet pipe 602, the water in the filter water tank 7 forms a cyclone in the filter mechanism under the negative pressure of the fan 704, so that very small dust can combine with the cyclone fully, avoids very small dust from being discharged through the clean air outlet pipe 711, greatly improves the filtering effect, and the sewage in the filter water tank 7 is not easy to produce sediment and sludge, is more convenient to clean, prolongs the cleaning period, and is more convenient to use.

[0034] As shown in the figure, Figure 9 The dust storage box 3 is fixedly connected with the support cylinder 301 matched with the conical cylinder 604 at the top, and the dustproof soft pad two 302 matched with the dust outlet pipe 605 is fixedly connected at the bottom of the support cylinder 301, which plays a blocking role to avoid dust overflow when falling.

[0035] The inner side wall of the dust storage box 3 is provided with a falling dust guide plate 303, the upper end of the falling dust guide plate 303 is fixedly connected with the inner side wall of the dust storage box 3, the bottom of the falling dust guide plate 303 is inclinedly arranged to the inside of the dust storage box 3, the falling dust guide plate 303 is arranged below the support cylinder 301, which plays a guiding role for dust falling, so that the dust can be concentrated and fallen into the dust collection box 4, and unified cleaning is facilitated.

[0036] The dust guide plate 303 is provided below with a dust collecting box 4 capable of being pulled out. Specifically, the inner side walls of the two sides of the dust storage box 3 are respectively fixedly connected with slide rails 304 in sliding cooperation with the dust collecting box 4. The dust collecting box 4 is externally fixedly connected with a pull handle 401. Most of the dust is collected into the dust collecting box 4. When the construction is completed, the dust collecting box 4 can be periodically cleaned without the need to disassemble the dust storage box 3, and the cleaning process is quick and convenient.

[0037] As shown in Figure 4 and Figure 7 The filter water tank 7 comprises a tank body. The upper portion of the tank body is provided with a sealing cover 702. The sealing cover 702 is sealingly connected with the tank body through a plurality of buckles 712. The sealing cover 702 can be opened to inject water into the tank body. The bottom of the tank body is provided with a sewage outlet (not shown in the figure), and a sewage valve is installed at the sewage outlet. A plurality of mounting holes corresponding to the fan 704 are formed in the sealing cover 702. The fan 704 is fixedly installed in a protective cover 701. The protective cover 701 is fixedly connected with the sealing cover 702. A plurality of heat dissipation holes 703 are formed in the top of the protective cover 701. The negative pressure can be formed in the filter water tank 7 by starting the fan 704.

[0038] The dust removal tank 5 is provided above with a detachable protective cover 501. The protective cover 501 is provided with a ventilation hole corresponding to the protective cover 701. The inner peripheral wall of the ventilation hole is provided with a dustproof soft pad 502. The dustproof soft pad 502 cooperates with the protective cover 701 to prevent dust from entering the dust removal tank 5.

[0039] The tank body is provided below the fan 704 with an upwardly inclined upper wind baffle 705. The upper wind baffle 705 is fixedly connected with the tank body. The upper wind baffle 705 narrows the airflow channel and prevents water flow from entering the fan 704.

[0040] The box is provided with an air inlet hole 707 communicated with the separation air outlet pipe 602, and the filtering mechanism comprises an upper fixed plate 706 arranged above the air inlet hole 707, and the three sides of the upper fixed plate 706 are fixedly connected with the inner side walls of the box. One end of the upper fixed plate 706 is fixedly connected with a vertical side baffle 708, the bottom of the side baffle 708 is bent away from the air inlet hole 707, and the side baffle 708 away from the air inlet hole 707 is fixedly connected with a filtering guide plate 709 which is a bent plate. The lower part of the filtering guide plate 709 is arranged to be inclined away from the air inlet hole 707, the bottom of the filtering guide plate 709 is bent to the side of the side baffle 708, and the bottom of the filtering guide plate 709 is lower than the side baffle 708. The filtering guide plate 709 is provided with a water baffle 710 fixedly connected with the side baffle 708, and the end of the water baffle 710 away from the side baffle 708 is in an arc shape and is bent to the side of the filtering guide plate 709. In use, under the action of negative pressure, the water flow can form a cyclone under the action of the bottom of the side baffle 708, the filtering guide plate 709 and the water baffle 710, so that the dust gas can be fully mixed with the cyclone, thereby playing a filtering role.

[0041] Working principle:

[0042] In use, water is injected into the filtering water tank 7, and the water passes over the bent section of the bottom of the side baffle 708. In construction, the horn-shaped dust suction port at the end of the dust suction pipe 102 can be aligned with the position to be dedusted, the fan 704 is started, the rotation of the fan 704 forms a local negative pressure in the filtering water tank 7, under the action of the negative pressure, a cyclone is formed at the filtering mechanism, the air inlet hole 707 is communicated with the separation device 6, a strong suction is formed at the horn-shaped dust suction port, the dust enters the dust suction pipe 102 through the horn-shaped dust suction port, and then enters the separation device 6 along the inner side wall of the separation cylinder 603 through the air inlet 601. Under the action of centrifugal force and gravity, the dust spirally moves downward, finally enters the dust storage tank 3 through the conical cylinder 604 and the dust outlet pipe 605, and finally falls into the dust collection box 4 under the guidance of the ash guide plate 303.

[0043] The dust gas separated by the separation device 6 also contains some very fine dust, and the very fine dust enters the filtering water tank 7 through the separation air outlet pipe 602. In the flow process, the gas flows along the cyclone direction in the filtering mechanism formed by the side baffle 708, the filtering guide plate 709 and the water baffle 710, and in this process, the very fine dust is fully mixed with the cyclone, so that the mixed dust is filtered out. The filtered gas is discharged through the clean air outlet pipe 711.

[0044] The utility model discloses filter out multifold filter screen, and the dust control effect is greatly improved, avoids the problem that the filter screen is blocked by the very small dust in the prior art, and is inconvenient to clean up, simultaneously, most of the dust is collected by dust storage box 3 after separating through the separating device, does not need to disassemble dust storage box 3, and can clean up quickly through dust collecting box 4, convenient to use, a small part of very small dust is fully filtered through filter water tank 7, and under the action of cyclone, the filtering effect is good, and it is not easy to produce the deposit, and it is convenient to clean up, and can be discharged through the pollution outlet, convenient to use.

[0045] Finally, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A device for dust control in construction sites, comprising a frame (1), characterized in that: The rack (1) is fixedly connected with a dust storage box (3), the upper end of the dust storage box (3) is fixedly connected with a dust removal box (5), the dust removal box (5) is provided with a separation device (6) and a filter water tank (7), the separation device (6) comprises a separation cylinder (603), the separation cylinder (603) is connected with an air inlet (601) near the side wall, the air inlet (601) is communicated with a dust suction pipeline (102), the bottom of the separation cylinder (603) is communicated with the dust storage box (3), the top of the separation cylinder (603) is communicated with the filter water tank (7) through a separation air outlet pipe (602), the top of the filter water tank (7) is provided with a fan (704), the filter water tank (7) is provided with a filter mechanism matched with the separation air outlet pipe (602), and the side of the filter water tank (7) away from the separation air outlet pipe (602) is communicated with a clean air outlet pipe (711).

2. A fugitive dust control device for a construction site according to claim 1, wherein: The lower end of the separation cylinder (603) is provided with a conical cylinder (604), and the bottom of the conical cylinder (604) is communicated with a dust outlet pipe (605); the top of the dust storage box (3) is fixedly connected with a supporting cylinder (301) matched with the conical cylinder (604), and the bottom of the supporting cylinder (301) is fixedly connected with a dustproof soft pad (302) matched with the dust outlet pipe (605).

3. A device for controlling dust raising in a construction site according to claim 2, characterized in that: The inner side walls of the four peripheries of the dust storage box (3) are respectively provided with ash falling guide plates (303), and the ash falling guide plates (303) are inclinedly arranged towards the inside of the dust storage box (3), the upper ends of the ash falling guide plates (303) are fixedly connected with the inner side walls of the dust storage box (3), and the ash falling guide plates (303) are arranged below the supporting cylinder (301).

4. A device for controlling dust raising in a construction site according to claim 3, characterized in that: The lower end of the separation cylinder (603) is provided with a conical cylinder (604), and the bottom of the conical cylinder (604) is communicated with a dust outlet pipe (605); the top of the dust storage box (3) is fixedly connected with a supporting cylinder (301) matched with the conical cylinder (604), and the bottom of the supporting cylinder (301) is fixedly connected with a dustproof soft pad (302) matched with the dust outlet pipe (605).

5. A device for controlling dust raising in a construction site according to claim 1, characterized in that: The filter water tank (7) comprises a box body, the upper portion of the box body is provided with a sealing cover (702), the sealing cover (702) is sealingly connected with the box body through a lock buckle (712), an installation hole corresponding to the fan (704) is formed in the sealing cover (702), the fan (704) is fixedly installed in a protective cover (701), and the protective cover (701) is fixedly connected with the sealing cover (702).

6. A device for controlling dust raising from a construction site according to claim 5, characterized in that: A plurality of heat dissipation holes (703) are formed in the top of the protective cover (701).

7. A device for controlling dust raising in a construction site according to claim 6, characterized in that: The box is provided with an air inlet hole (707) communicated with the separated air outlet pipe (602), the filtering mechanism comprises an upper fixed plate (706) arranged above the air inlet hole (707), and the upper fixed plate (706) is fixedly connected with the inner side wall of the box; one end of the upper fixed plate (706) is fixedly connected with a vertically arranged side baffle (708), the bottom of the side baffle (708) is bent away from the air inlet hole (707), the side away from the air inlet hole (707) of the side baffle (708) is fixedly connected with a filtering guide plate (709), the bottom of the filtering guide plate (709) is bent to one side of the side baffle (708), and the bottom of the filtering guide plate (709) is lower than the side baffle (708); a water baffle (710) fixedly connected with the side baffle (708) is arranged above the filtering guide plate (709).

8. A device for controlling dust raising in a construction site according to claim 7, characterized in that: The end of the water baffle (710) away from the side baffle (708) is in an arc-shaped structure, and the arc-shaped structure is bent to one side of the filtering guide plate (709).

9. A device for controlling dust raising from a construction site according to claim 8, characterized in that: A downwardly inclined upper baffle (705) is arranged below the fan (704), and the upper baffle (705) is fixedly connected with the box.

10. A device for controlling dust raising in a construction site according to claim 1, characterized in that: The bottom of the rack (1) is fixedly connected with a plurality of movable wheels (2) around the periphery.

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