Simple and flexible-to-operate dustproof spraying device
By setting up three layers of spray pipes and multiple sprinkler heads on the spray equipment, a multi-layer water mist barrier is formed, which solves the problem of dust escape caused by gaps in the spray equipment, and achieves efficient PM2.5 control and flexible construction adaptability.
Patent Information
- Application Number
- CN202423085349.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-13
AI Technical Summary
The existing spraying equipment has spray gaps, which cause some dust to escape from the side gaps, making it impossible to form a multi-faceted three-dimensional spraying effect and affecting the PM2.5 control effect.
The system adopts a three-layer spray pipe design, including top, middle and bottom spray pipes, each equipped with horizontal, diffuser and vertical sprinkler heads to form a multi-layer water mist barrier, covering the top, sides and middle space of the construction area. Water pressure and spray range are adjusted by separate control valves.
It effectively prevents dust from escaping through the gaps in the spray equipment, improves PM2.5 control, adapts to the changing environment of construction sites, and reduces equipment investment and operational complexity.
Smart Images

Figure CN223570332U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to construction dust fall prevention equipment field, concretely is a dust spray device of simple and easy flexible operation. BACKGROUND
[0002] In the process of urban construction of building engineering, the high standard civilized construction requirement of adjacent residential area, building engineering dust fall prevention is an important work, and it is required to set up dust online monitoring instrument, and 24h monitoring PM2.5 value must satisfy control standard.
[0003] Although waterwheel, fog cannon spray equipment and fixed spray system have appeared, but mobile waterwheel, fog cannon need special person to operate equipment, and dust is gradually reduced from a point and surface, and a large number of equipment need to be equipped to operate comprehensively, which has large investment and low efficiency, and the more equipment running in the narrow urban construction area is not conducive to effective construction, which can easily affect construction progress, and greatly reduce the civilized construction standard;Fixed spray system is more suitable for factory long-term fixed place, and the cost is relatively high compared with the short construction period of building engineering, and it is not suitable for the characteristics of variable building site operation environment.Not only this, in the construction scene of high concentration dust, in order to avoid the diffusion of dust from the construction area, the number of spray equipment is generally increased, and water mist is sprayed from the side through the nozzle to suppress the dust from top to bottom, however, there is a spray gap between each spray equipment, which can easily cause part of the dust to escape from the gap of the side of the spray equipment, resulting in the increase of PM2.5 value in part of the area, so that a multi-faceted three-dimensional spray effect for the construction area cannot be formed. CONTENT OF UTILITY MODEL
[0004] In order to solve the above-mentioned problems in the prior art that there is a spray gap between each spray equipment, which can easily cause part of the dust to escape from the gap of the side of the spray equipment, the utility model provides a dust spray device of simple and easy flexible operation.
[0005] The purpose of the utility model can be realized by the following technical schemes:
[0006] The dust spray device of simple and easy flexible operation of the utility model, including water supply assembly and spray assembly, the spray assembly is communicated to the water supply assembly, the spray assembly includes spray main pipe, the spray main pipe is sequentially connected with top spray branch pipe, middle spray branch pipe and bottom spray branch pipe from top to bottom, a plurality of horizontal water spraying heads are communicated on the top spray branch pipe for horizontal water mist spraying, a plurality of diffusion water spraying heads are communicated on the middle spray branch pipe for diffusion water mist spraying, a plurality of vertical water spraying heads are communicated on the bottom spray branch pipe for vertical water mist spraying.
[0007] Further, the horizontal sprinkling head, the diffusion sprinkling head and the vertical sprinkling head are all cylindrical, and the spray hole of the horizontal sprinkling head is arranged on the side surface for spraying water mist horizontally, the spray hole of the diffusion sprinkling head is arranged on the side surface and is an enlarged hole for spraying water mist diffusely, and the spray hole of the vertical sprinkling head is arranged on the rim surface for spraying water mist vertically along the circumference.
[0008] Further, the top sprinkling branch pipe, the middle sprinkling branch pipe and the bottom sprinkling branch pipe are respectively connected with a branch control valve between the sprinkling main pipe.
[0009] Further, the vertical sprinkling head is horizontally connected on the bottom sprinkling branch pipe, the diffusion sprinkling head is upwardly and obliquely connected on the middle sprinkling branch pipe, and the horizontal sprinkling head is horizontally connected on the top sprinkling branch pipe.
[0010] Further, the top sprinkling branch pipe, the middle sprinkling branch pipe and the bottom sprinkling branch pipe are detachably connected on the sprinkling main pipe through a three-way movable joint.
[0011] Further, the water supply assembly comprises a fire-fighting water tank, a power distribution box, a fire-fighting booster pump, a fire-fighting main pipe and a main control valve, the fire-fighting main pipe is connected to the fire-fighting water tank, the fire-fighting main pipe is communicated with the sprinkling main pipe, the fire-fighting booster pump is connected on the fire-fighting main pipe, a sprinkling pressure gauge is arranged on the sprinkling main pipe, a fire-fighting pressure gauge is arranged on the fire-fighting main pipe, and the power distribution box is electrically connected with the fire-fighting booster pump.
[0012] The utility model discloses the beneficial effects are: through setting up three layers of sprinkling branch pipes on the sprinkling main pipe, the water mist of several horizontal sprinkling heads on the top sprinkling branch pipe sprays along the horizontal direction, and because the horizontal sprinkling head is in the most top, therefore the water mist that sprays through the horizontal sprinkling head forms the partition of the top of a construction area, makes dust difficult to escape from the top of the construction area, the water mist of several vertical sprinkling heads on the bottom sprinkling branch pipe in the most bottom sprays along the vertical direction, makes the water mist that sprays through the vertical sprinkling head form the partition of the side of a construction area, and the water mist that sprays through the top and bottom sprinkling heads makes the space of dust difficult to escape in the middle, through the diffusion sprinkling head of several on the middle sprinkling branch pipe in the middle to carry out dust fall, makes dust difficult to escape from the gap of the side of the sprinkling equipment. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to facilitate the person skilled in the art to understand, the utility model makes further explanation in combination with the drawings below.
[0014] Figure 1 It is the overall front view of the utility model;
[0015] Figure 2The present utility model is flexible installation spraying pipe schematic diagram;
[0016] Figure 3 The present utility model is using existing fire-fighting water supply schematic diagram;
[0017] Figure 4 The present utility model is atomization spray nozzle space arrangement schematic diagram.
[0018] Legend: 1, fire-fighting water tank;2, distribution box;3, fire-fighting booster pump;4, fire-fighting main pipe;5, main control valve;6, spraying pressure gauge;7, fire-fighting pressure gauge;8, spraying main pipe;9, three-way movable joint;10, sub-control valve;11, fixed clamp;12, diffusion sprinkler. DETAILED DESCRIPTION
[0019] In order to further illustrate the technical means and effects adopted by the present utility model to achieve the predetermined utility model purposes, the specific embodiments, structures, features and effects according to the present utility model are described in detail as follows in combination with the drawings and preferred embodiments.
[0020] As Figures 1-4 shown, the present utility model discloses a dustproof spraying device of simple and flexible operation, which comprises a water supply assembly and a spraying assembly, the spraying assembly is connected to the water supply assembly, the spraying assembly comprises a spraying main pipe 8, the spraying main pipe 8 is sequentially and horizontally connected with a top spraying branch pipe, a middle spraying branch pipe and a bottom spraying branch pipe from top to bottom, the top spraying branch pipe is connected with a plurality of horizontal sprinklers for horizontal spraying of water mist, the middle spraying branch pipe is connected with a plurality of diffusion sprinklers 12 for diffusion spraying of water mist, and the bottom spraying branch pipe is connected with a plurality of vertical sprinklers for vertical spraying of water mist.
[0021] In the construction scene of high-concentration dust, in order to avoid the diffusion of dust from the construction area, the number of spraying devices is generally increased, water mist is sprayed from the side through the nozzle to suppress the dust from top to bottom, however, there are spraying gaps between each spraying device, which can easily cause part of the dust to escape from the gap on the side of the spraying device, resulting in an increase in PM2.5 value in part of the area, therefore, by arranging three layers of spraying branch pipes on the spraying main pipe 8, the water mist of the plurality of horizontal sprinklers on the top spraying branch pipe is sprayed along the horizontal direction, at the same time, since the horizontal sprinklers are located at the topmost part, the water mist sprayed by the horizontal sprinklers forms a partition at the top of the construction area, so that the dust is difficult to escape from the top of the construction area, the water mist of the plurality of vertical sprinklers on the bottom spraying branch pipe located at the bottommost part is sprayed along the vertical direction, so that the water mist sprayed by the vertical sprinklers forms a partition at the side of the construction area, and the water mist sprayed by the top and bottom nozzles forms a space in the middle, which is difficult for the dust to escape, and the plurality of diffusion sprinklers 12 on the middle spraying branch pipe in the middle are used for dust suppression.
[0022] Specifically, the spray main pipe 8 is arranged along the edge protection frame or wall of the construction area, and one spray head is preferably arranged every 2.5 m on the top spray sub-pipe, the middle spray sub-pipe and the bottom spray sub-pipe. The spray head is fixed by the fixed clamp 11. The vertical water spraying head is 1.8 m away from the ground, and the spraying width of the vertical water spraying head is 2 m.
[0023] In order to enable the horizontal water spraying head, the diffusion water spraying head 12 and the vertical water spraying head to respectively spray horizontal, diffusion and vertical water mist effects, in an embodiment, the horizontal water spraying head, the diffusion water spraying head 12 and the vertical water spraying head are all cylindrical, the spray hole of the horizontal water spraying head is arranged on the side surface for spraying water mist horizontally, the spray hole of the diffusion water spraying head 12 is arranged on the side surface and is an enlarged hole for spraying water mist diffusely, and the spray hole of the vertical water spraying head is arranged on the rim surface for spraying water mist vertically along the circumference. The size of the spray hole of the horizontal water spraying head is small and arranged horizontally, so that the water mist sprayed by the horizontal water spraying head has greater pressure and a farther distance, the size of the spray hole of the diffusion water spraying head 12 is slightly larger and has an enlarged shape and an outwardly inclined state based on the axis of the spray head, so that the water mist sprayed by the diffusion water spraying head 12 is in a diffusion state, and the spray hole of the vertical water spraying head is arranged on the rim surface of the spray head, so that the water mist is sprayed diffusely and vertically along the circumference. Adjacent vertical water spraying heads can spray water mist overlapping each other, so as to reduce the gap and avoid dust diffusion.
[0024] In order to adjust the spraying range according to the size of the construction area space, the control valve 10 is connected between the top spray sub-pipe, the middle spray sub-pipe and the bottom spray sub-pipe and the spray main pipe 8, respectively, and the size of the valve opening of the control valve 10 is adjusted to adjust the range of the water mist sprayed by the horizontal water spraying head, the diffusion water spraying head 12 and the vertical water spraying head, and the water pressure of each spray sub-pipe can also be adjusted according to the specific construction requirements.
[0025] In order to increase the spraying distance of the water mist, in an embodiment, the vertical water spraying head is horizontally connected to the bottom spray sub-pipe, the diffusion water spraying head 12 is upwardly inclined and connected to the middle spray sub-pipe, the horizontal water spraying head is upwardly inclined and connected to the top spray sub-pipe, and the horizontal water spraying head is horizontally connected to the top spray sub-pipe.
[0026] Further, the top spray sub-pipe, the middle spray sub-pipe and the bottom spray sub-pipe are detachably connected to the spray main pipe 8 through the three-way movable joint 9; since the fixed spray system is more suitable for factory long-term fixed place, the cost is relatively high for short construction period of the construction engineering, and is not suitable for the variable characteristics of the construction site operation environment, the detachable three-way movable joint 9 is arranged on the spray main pipe 8, the top spray sub-pipe, the middle spray sub-pipe and the bottom spray sub-pipe can be quickly detached, and the use flexibility can be realized.
[0027] Further, the water supply assembly comprises a fire water tank 1, a distribution box 2, a fire booster pump 3, a fire main pipe 4 and a main control valve 5, the fire main pipe 4 is connected to the fire water tank 1, the fire main pipe 4 is communicated with the spray main pipe 8, the fire booster pump 3 is connected to the fire main pipe 4, the spray main pipe 8 is provided with a spray pressure gauge 6, the fire main pipe 4 is provided with a fire pressure gauge 7, and the distribution box 2 is electrically connected with the fire booster pump 3.
[0028] The existing fire water supply equipment such as the fire water tank 1, the distribution box 2 and the fire booster pump 3 is connected with the spray main pipe 8. The spray main pipe 8 is connected to the outlet of the fire booster pump 3, the main control valve 5 is arranged on the spray main pipe 8, the fire pressure gauge 7 and the spray pressure gauge 6 are arranged on the two sides of the main control valve 5 to monitor the water pressure, and the main control valve 5 is used for controlling the water on-off of the whole spray main pipe 8.
[0029] The existing fire water supply equipment is used, and the spray sub-pipe which is simple, flexible and easy to operate is dynamically installed according to the needs of changing the dust control point horizontally or vertically along with the progress of the construction engineering. The spray sub-pipe is mainly a Φ2.5cm PVC spray pipe.
[0030] The spray angle of the diffusion sprinkler 12 is uniformly controlled at about 45° horizontally through the fixed-angle elbow and the fixed clamp 11, and the interval is preferably 2.5m, and the spray range can cover a 6m wide road.
[0031] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above with a preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above-mentioned equivalent embodiments without departing from the technical solution of the present application. Any modification, equivalent change and modification of the above-mentioned embodiments according to the technical essence of the present application still belong to the scope of the technical solution of the present application.
Claims
1. A simple and flexible dust suppression spraying device, characterized in that: The system includes a water supply assembly and a spray assembly. The spray assembly is connected to the water supply assembly. The spray assembly includes a main spray pipe, on which a top spray branch pipe, a middle spray branch pipe, and a bottom spray branch pipe are horizontally connected from top to bottom. The top spray branch pipe is connected to several horizontal sprinkler heads for horizontal water mist spraying. The middle spray branch pipe is connected to several diffuser sprinkler heads for diffuse water mist spraying. The bottom spray branch pipe is connected to several vertical sprinkler heads for vertical water mist spraying.
2. The dust suppression spraying device according to claim 1, characterized in that: The horizontal sprinkler head, the diffuser sprinkler head, and the vertical sprinkler head are all cylindrical. The nozzles of the horizontal sprinkler head are located on the side for horizontal water mist spraying. The nozzles of the diffuser sprinkler head are located on the side and are enlarged holes for diffuse water mist spraying. The nozzles of the vertical sprinkler head are located on the rim surface for vertical water mist spraying in the circumferential direction.
3. The dust suppression spraying device according to claim 1, characterized in that: Each of the top spray pipe, middle spray pipe, and bottom spray pipe is connected to a separate control valve from the main spray pipe.
4. The dust suppression spraying device according to claim 2, characterized in that: The vertical sprinkler head is horizontally connected to the bottom sprinkler branch pipe, the diffuser sprinkler head is inclined upward and connected to the middle sprinkler branch pipe, and the horizontal sprinkler head is horizontally connected to the top sprinkler branch pipe.
5. The dust suppression spraying device according to claim 1, characterized in that: The top spray pipe, middle spray pipe, and bottom spray pipe are detachably connected to the main spray pipe via a tee connector.
6. The dust suppression spraying device according to claim 1, characterized in that: The water supply assembly includes a fire water tank, a distribution box, a fire booster pump, a fire main pipe, and a main control valve. The fire main pipe is connected to the fire water tank and is connected to the sprinkler main pipe. The fire booster pump is connected to the fire main pipe. A sprinkler pressure gauge is installed on the sprinkler main pipe, and a fire pressure gauge is installed on the fire main pipe. The distribution box is electrically connected to the fire booster pump.