Sky curtain spraying system for foundation pit dust prevention

Abstract

The utility model discloses a backdrop spraying system for foundation pit dust prevention, which comprises a plurality of groups of base towers and a spraying mechanism which are arranged on the two sides of a foundation pit side by side, each group of base tower comprises two backdrop bases which are symmetrically arranged on the two sides of the foundation pit, and a dust detection mechanism is arranged on the outer side of the foundation pit; the spraying mechanism comprises a first spraying pipe erected between the two awning bases and a second spraying pipe hung on the upper portion of the fence, the water tank is communicated with a water supply main pipe, the water supply main pipe is connected with a first water supply branch pipe and a second water supply branch pipe, the first water supply branch pipe is provided with a first adjusting valve, and the second water supply branch pipe is provided with a second adjusting valve; the dust detection mechanism comprises a dust detector and a control box. By arranging the dust detection mechanism, the dust concentration around the foundation pit can be conveniently detected in real time, then the first spraying pipe or the second spraying pipe or the first spraying pipe and the second spraying pipe are adopted in time to spray the upper portion of the foundation pit at the same time according to the dust degree, and dustproof operation covering the whole foundation pit is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of foundation pit dust prevention, and in particular relates to a canopy spraying system for foundation pit dust prevention. Background Art

[0002] Dust pollution is an unavoidable problem in the field of construction environmental protection technology, particularly during excavation and soil-related operations. Traditionally, sprinkler pipes have been installed around the perimeter of the pit for spraying. However, this approach suffers from a small spray area, ineffective coverage of the pit interior, and significant water waste. Therefore, it is crucial to develop a dust-proof device that can cover the entire pit and control the spraying according to dust levels. Utility Model Content

[0003] The technical problem to be solved by the present invention is to provide a canopy spray system for foundation pit dust prevention in view of the deficiencies in the above-mentioned prior art. The system has a simple structure and a reasonable design. By setting up a dust detection mechanism, it is convenient to detect the dust concentration around the foundation pit in real time. Then, according to the dust level, the first spray pipe or the second spray pipe or both are used in time to spray the top of the foundation pit, thereby realizing dust prevention operations covering the entire foundation pit. The system has accurate data and strong practicality.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a canopy spray system for foundation pit dust prevention, wherein the foundation pit is surrounded by enclosures, and is characterized in that: the canopy spray system includes multiple groups of base towers arranged side by side on both sides of the foundation pit, and spray mechanisms arranged on the base towers and the enclosures, each group of the base towers includes two canopy bases symmetrically arranged on both sides of the foundation pit, and a dust detection mechanism is provided on the outside of the foundation pit;

[0005] The spray mechanism includes a first spray pipe mounted between the two canopy bases and a second spray pipe mounted on the upper portion of the enclosure. A water tank is provided outside the foundation pit. The water tank is connected to a water supply main. The water supply main is connected to a first water supply branch pipe connected to the first spray pipe and a second water supply branch pipe connected to the second spray pipe. The first water supply branch pipe is provided with a first regulating valve, and the second water supply branch pipe is provided with a second regulating valve.

[0006] The dust detection mechanism includes a dust detector and a control box. An electronic circuit board is provided in the control box. The electronic circuit board integrates a microcontroller and a wireless communication module connected to the microcontroller and used to communicate with a computer. The receiving end of the microcontroller is electrically connected to the dust detector, and the output end of the microcontroller is electrically connected to the first regulating valve and the second regulating valve.

[0007] The above-mentioned canopy sprinkler system for foundation pit dust prevention is characterized in that: a support seat for supporting the first sprinkler pipe is provided at the upper end of the canopy base, a first steel wire rope for hanging the first sprinkler pipe is erected between the two relatively canopy bases, and a second steel wire rope for hanging the second sprinkler pipe is provided on the upper part of the enclosure.

[0008] The above-mentioned canopy sprinkler system for foundation pit dust prevention is characterized in that a water pump is also connected to the water supply main.

[0009] The above-mentioned canopy sprinkler system for foundation pit dust prevention is characterized in that a plurality of sprinkler heads are installed on both the first sprinkler pipe and the second sprinkler pipe.

[0010] Compared with the prior art, the present invention has the following advantages:

[0011] 1. The utility model is easy and quick to operate. By setting up a dust detection mechanism, it is convenient to detect the dust concentration around the foundation pit in real time. Then, according to the total dust concentration and respirable dust concentration collected, especially the PM10 index and PM2.5 index, the microcontroller opens the first regulating valve and the second regulating valve when the dust concentration is higher than the threshold value, so that the spray mechanism starts to work. When the dust concentration drops to a reasonable range, the first regulating valve and the second regulating valve are closed. That is, the spraying operation can be carried out in time according to the real-time dust concentration around the foundation pit. The data is accurate and the practicability is strong.

[0012] 2. The utility model is provided with a spraying mechanism, which makes it convenient to use the first spraying pipe or the second spraying pipe or both to spray the top of the foundation pit according to the dust level, and to carry out dust prevention operations covering the entire foundation pit to achieve the purpose of reducing construction dust.

[0013] To sum up, the utility model has a simple structure and a reasonable design. By setting up a dust detection mechanism, it is convenient to detect the dust concentration around the foundation pit in real time. Then, according to the degree of dust, the first spray pipe or the second spray pipe or both are used in time to spray the top of the foundation pit, thereby realizing dust prevention operations covering the entire foundation pit, with accurate data and strong practicality.

[0014] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the present utility model.

[0016] Figure 2 for Figure 1 Enlarged view of point A.

[0017] Figure 3 This is a circuit principle block diagram of the utility model.

[0018] Explanation of reference signs:

[0019] 1 - foundation pit; 2 - tent base; 3 - support base;

[0020] 4 - water tank; 5 - water pump; 6 - water supply main pipe;

[0021] 7 - first water supply branch pipe; 8 - second water supply branch pipe; 9 - first regulating valve;

[0022] 10 - second regulating valve; 11 - first spray pipe; 12 - second spray pipe;

[0023] 13 - spray head; 14 - first steel wire rope; 15 - second steel wire rope;

[0024] 16 - fence; 17 - dust detector; 18 - control box;

[0025] 19 - microcontroller. DETAILED DESCRIPTION

[0026] As shown in Figure 1 , Figure 2 and Figure 3 , the fence 16 is arranged around the foundation pit 1, the tent spray system of the utility model comprises multiple groups of base towers arranged side by side on both sides of the foundation pit 1, and a spray mechanism arranged on the base tower and the fence 16, each group of the base tower comprises two symmetrical tent bases 2 arranged on both sides of the foundation pit 1, and a dust detection mechanism is arranged outside the foundation pit 1.

[0027] The spray mechanism comprises a first spray pipe 11 erected between the two tent bases 2 and a second spray pipe 12 hung on the upper part of the fence 16, a water tank 4 is arranged outside the foundation pit 1, a water supply main pipe 6 is communicated with the water tank 4, a first water supply branch pipe 7 communicated with the first spray pipe 11 and a second water supply branch pipe 8 communicated with the second spray pipe 12 are connected to the water supply main pipe 6, a first regulating valve 9 is arranged on the first water supply branch pipe 7, and a second regulating valve 10 is arranged on the second water supply branch pipe 8.

[0028] The dust detection mechanism comprises a dust detector 17 and a control box 18, an electronic circuit board is arranged in the control box 18, a microcontroller 19 and a wireless communication module connected with the microcontroller 19 and used for communicating with a computer are integrated on the electronic circuit board, a receiving end of the microcontroller 19 is electrically connected with the dust detector 17, and output ends of the microcontroller 19 are electrically connected with the first regulating valve 9 and the second regulating valve 10.

[0029] In the embodiment, a water pump 5 is further connected to the water supply main pipe 6.

[0030] In this embodiment, a plurality of spray heads 13 are installed on each of the first spray pipe 11 and the second spray pipe 12 .

[0031] In actual use, by setting up a dust detection mechanism, it is convenient to detect the dust concentration around the foundation pit 1 in real time, and then the microcontroller 19 is based on the collected total dust concentration and respirable dust concentration, especially the PM10 index and PM2.5 index. When the dust concentration is higher than the threshold, the microcontroller 19 opens the first regulating valve 9 and the second regulating valve 10 to start the spraying mechanism. When the dust concentration drops to a reasonable range, the first regulating valve 9 and the second regulating valve 10 are closed. That is, the spraying operation can be carried out in time according to the real-time dust concentration around the foundation pit 1, and the data is accurate and practical.

[0032] In actual use, by setting up a spraying mechanism, it is convenient to use the first spraying pipe 11 or the second spraying pipe 12 or both to spray the top of the foundation pit 1 according to the dust level, and perform dust prevention operations covering the entire foundation pit to achieve the purpose of reducing construction dust.

[0033] It should be noted that the microcontroller is a 19-bit PLC controller, and the model of the dust detector 17 is preferably TH-BX08 dust concentration detector.

[0034] In this embodiment, a support base 3 for supporting the first spray pipe 11 is provided at the upper end of the canopy base 2, a first steel wire rope 14 for hanging the first spray pipe 11 is erected between the two canopy bases 2, and a second steel wire rope 15 for hanging the second spray pipe 12 is provided on the upper part of the enclosure 16.

[0035] In actual use, the enclosure 16 is provided with a plurality of L-shaped pins, the second steel wire rope 15 is fixed on the plurality of L-shaped pins, the first spray pipe 11 is fixed on the first steel wire rope 14 by a plurality of tying belts, and the second spray pipe 12 is fixed on the second steel wire rope 15 by a plurality of tying belts, and the tying belts need to avoid the position of the nozzle 13, so that the connection is stable.

[0036] When the present invention is used, the dust concentration around the foundation pit 1 is detected in real time by the dust detector 17, and then the microcontroller 19 determines whether spraying dust prevention operations are needed based on the collected total dust concentration and respirable dust concentration, especially the PM10 index and PM2.5 index; when the dust concentration is higher than the first-level threshold, the microcontroller 19 opens the first regulating valve 9 and first uses the first spray pipe 11 to spray the top of the foundation pit 1; when the dust concentration is higher than the second-level threshold, the microcontroller 19 opens the second regulating valve 10 and then uses the second spray pipe 12 to spray the four sides of the foundation pit 1 at the same time, thereby realizing dust prevention operations covering the entire foundation pit; when the dust detector 17 detects that the dust concentration is reduced to a reasonable range, the first regulating valve 9 and the second regulating valve 10 are closed to stop the spraying dust prevention operations.

[0037] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any way. Any simple modification, change and equivalent structural change made to the above embodiment based on the technical essence of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A canopy sprinkler system for preventing dust in a foundation pit, wherein a foundation pit (1) is surrounded by enclosures (16), characterized in that: The canopy spray system comprises a plurality of groups of base towers arranged side by side on both sides of a foundation pit (1), and a spray mechanism arranged on the base towers and the enclosure (16), each group of the base towers comprises two canopy bases (2) symmetrically arranged on both sides of the foundation pit (1), and a dust detection mechanism is arranged on the outside of the foundation pit (1); The spray mechanism comprises a first spray pipe (11) erected between the two canopy bases (2) and a second spray pipe (12) mounted on the upper portion of the enclosure (16); a water tank (4) is provided outside the foundation pit (1); the water tank (4) is connected to a water supply main (6); the water supply main (6) is connected to a first water supply branch pipe (7) connected to the first spray pipe (11) and a second water supply branch pipe (8) connected to the second spray pipe (12); a first regulating valve (9) is provided on the first water supply branch pipe (7), and a second regulating valve (10) is provided on the second water supply branch pipe (8); The dust detection mechanism includes a dust detector (17) and a control box (18). An electronic circuit board is provided in the control box (18). A microcontroller (19) and a wireless communication module connected to the microcontroller (19) and used for communicating with a computer are integrated on the electronic circuit board. The receiving end of the microcontroller (19) is electrically connected to the dust detector (17), and the output end of the microcontroller (19) is electrically connected to the first regulating valve (9) and the second regulating valve (10).

2. The canopy spray system for foundation pit dust prevention according to claim 1, characterized in that: A support base (3) for supporting a first spray pipe (11) is provided at the upper end of the canopy base (2), a first steel wire rope (14) for hanging the first spray pipe (11) is arranged between two relatively opposite canopy bases (2), and a second steel wire rope (15) for hanging the second spray pipe (12) is arranged on the upper part of the enclosure (16).

3. The canopy spray system for foundation pit dust prevention according to claim 1, characterized in that: The water supply main (6) is also connected to a water pump (5).

4. The canopy spray system for foundation pit dust prevention according to claim 1 is characterized in that: A plurality of spray heads (13) are installed on each of the first spray pipe (11) and the second spray pipe (12).

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