Movable intelligent treatment device for roadway tunneling blasting smoke dust

Abstract

The utility model discloses a movable roadway tunneling blasting smoke dust intelligent treatment device which comprises a remote control trolley, an arc-shaped spraying module, an air-water injection nozzle, a pressurized air supply device, a water supply device and the like. The remote control trolley is moved to a proper position near a smoke dust generation area; then, a small water pump of the water supply device conveys liquid containing the blasting fume eliminating agent in a liquid storage tank to the gas-water inlet end of a gas-water injection nozzle connecting pipeline through a water supply pipe; a compressed air bag of the pressurized air supply device sends compressed air to all connecting sections of an air supply space of the air-water injection nozzle through an air supply pipe, the diameters of the connecting sections are sequentially reduced in the water supply direction so as to regulate and control pressure, a connecting pipeline is communicated with the air supply space through an air inlet, and an air inlet one-way valve ensures that air is introduced in order to achieve sufficient air-water mixing. And the mixed gas-water fluid is conveyed to the injection end through the connecting pipeline, and is injected after being pressurized by the pressurizing injectors at the three nozzle openings.

Description

Technical Field

[0001] The utility model relates to the technical field of intelligent processing of blasting smoke and dust, and in particular to a mobile intelligent processing device for blasting smoke and dust during tunneling. Background Art

[0002] Traditional dust control methods, such as ventilation and watering, can reduce dust concentrations, but they have significant limitations. Ventilation is energy-intensive, and its effectiveness is affected by multiple factors, including tunnel length, cross-sectional shape, and wind speed. Watering can make tunnels slippery, endangering workers.

[0003] Among current technologies, foam dust removal is attracting significant attention. This technique involves injecting a foaming agent into the dust in the tunnel, causing dust particles to adhere to the foam. The foam's collapse and flow then carry the dust away from the working face. This method offers significant dust reduction effectiveness and low energy consumption. There are two main types of foaming: chemical and physical. The preferred method depends on specific operating conditions and the nature of the dust.

[0004] However, this method still faces two major challenges: First, if the foam does not completely collapse, the excess foam will interfere with vision and the work environment. This is especially true during cutting operations, where if the foam fails to collapse in time, it will obscure contours and increase operational difficulty. Second, existing foam dust removal systems mostly remove dust from one side, making it difficult to achieve comprehensive and effective dust removal. Utility Model Content

[0005] In response to the problems existing in the above-mentioned prior art, the utility model provides a mobile intelligent device for processing smoke and dust from tunnel excavation and blasting. It adopts a multi-angle nozzle structure to realize multi-angle spraying of the tunnel during the operation of the remote-controlled vehicle. At the same time, the nozzle adopts an air-water injection nozzle to form atomized spray dust reduction, further enhancing the dust reduction effect.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts a mobile intelligent treatment device for blasting smoke from tunnel excavation, including a remote-controlled trolley, a slot is provided in the middle section of the remote-controlled trolley, an arc-shaped spray module is placed in the slot, the arc-shaped spray module is semi-circular, and a plurality of air-water injection nozzles are evenly installed along the arc line of the top of the arc of the arc spray module, the air-water injection nozzle has a connecting pipe inside, one end of the connecting pipe is an air-water inlet end and the other end is an injection end, the air-water inlet end is connected to a pressurized air providing device and a water supply device respectively, the injection end has a first nozzle opening, a second nozzle opening and a third nozzle opening, wherein the first nozzle opening is coaxially arranged with the connecting pipe, and along the axial direction of the connecting pipe, the second nozzle opening is located on one side of the connecting pipe and the third nozzle opening is located on the other side of the connecting pipe.

[0007] Preferably, an air supply space is formed between the air-water injection nozzle and the connecting pipe, and the air supply space is provided with at least three independent connecting sections in sequence along the straight direction of the connecting pipe, and each connecting section is connected to the pressurized air providing device. The connecting pipe passes through the above-mentioned connecting sections in sequence along the water supply direction and the interior of the connecting pipe is in a through-state, and the tube body of the connecting pipe located in each connecting section has an air inlet for pressurized gas to enter.

[0008] Preferably, the air inlet is provided with a one-way valve for allowing gas to pass from the connecting section into the connecting pipe.

[0009] Preferably, the diameter of the connecting section decreases successively along the water supply direction; by successively decreasing the diameter of the connecting section, it is ensured that the connecting pipe has sufficient pressure to achieve a pressurization effect, thereby improving the atomization effect of the spray from the injection port.

[0010] Preferably, in the present invention, a pressurized injector is installed at each of the first nozzle opening, the second nozzle opening and the third nozzle opening.

[0011] Preferably, the water supply device of the present invention includes a large-capacity liquid storage tank arranged at the rear of the remote-controlled vehicle, a water supply pipe connected between the connecting pipe and the liquid storage tank, and a small water pump connected to the water supply pipe, and a multi-component gun smoke eliminator is stored inside the liquid storage tank.

[0012] Preferably, the pressurized air providing device of the present invention includes a compressed air bag and an air supply pipe connecting the compressed air bag and each connecting section.

[0013] Preferably, the front end cross section of the remote control vehicle is provided with a gun smoke concentration sensor and a signal receiving device.

[0014] Preferably, the front of the arc-shaped spray module is equipped with an air and liquid control valve, which is connected to a gun smoke concentration sensor. The valve is automatically controlled by the concentration transmitted back by the gun smoke sensor to adjust the air and liquid flow rate, control the rate and dosage of the eliminater spraying, increase the flow rate when the concentration of toxic and harmful gases and dust is high, and reduce the flow rate when the concentration is low, to ensure that the whole set of equipment is economical and environmentally friendly.

[0015] Preferably, the remote-controlled vehicle moves toward the tunnel face after blasting to prevent damage to the equipment.

[0016] Compared with the existing technology, the mobile intelligent treatment device for blasting smoke and dust from tunnel excavation in this utility model has the following beneficial effects:

[0017] 1. The utility model utilizes an arc-shaped spray module, and opens a first nozzle opening on the front of the air-water injection device, opens a second nozzle opening at the top front end of the air-water injection nozzle, and opens a third nozzle opening at the bottom front end of the air-water injection nozzle, so that the foam is more diffused during spraying. The first nozzle opening, the second nozzle opening, and the third nozzle opening on the air-water injection device can spray the blasting smoke in all directions, thereby improving the effect and speed of smoke cleaning.

[0018] 2. The air-water injection device increases the injection speed by arranging the first, second and third pressurized injectors at the first, second and third nozzle openings, and ensures that the connecting pipe has sufficient pressure to achieve the pressurization effect by successively reducing the diameter of the connecting section. This not only improves the atomization effect of the spray from the injection port, but also improves the cleaning effect and efficiency of the blasting smoke and dust, saving a large amount of water resources.

[0019] 3. A blast smoke concentration sensor and signal receiver are positioned in the vehicle's forward direction, connected to air and hydraulic control valves. Advanced sensor technology and intelligent control algorithms enable real-time monitoring and precise control of blast smoke concentrations. This device possesses strong adaptability, automatically adjusting dust removal parameters and strategies to varying operating environments and geological conditions. By integrating advanced sensors and control systems, it enables real-time monitoring and rapid response to environmental changes, ensuring optimal dust removal performance at all times. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the internal structure of the air-water injection nozzle of the utility model;

[0022] Figure 3 For this utility model Figure 2 Schematic diagram of the enlarged structure at A in the middle;

[0023] Figure 4 For this utility model Figure 2 Schematic diagram of the enlarged structure at point B in the middle.

[0024] Among them, 1. Remote control car; 2. Card slot; 3. Arc spray module; 4. Air-water injection nozzle; 41. Connecting pipe; 42. Air supply space; 411. Air-water inlet end; 412 Injection end; 413. First nozzle opening; 414. Second nozzle opening; 415. Third nozzle opening; 5. Pressurized air supply device; 51. Compressed air bag; 52 Air supply pipe; 6. Water supply device; 421 Connecting section; 416 Air inlet; 7. Pressurized ejector; 61 Liquid storage tank; 62. Water supply pipe; 63. Small water pump; 8. Cannon smoke concentration sensor; 9. Signal receiving device; 10. Air and liquid control valve. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the present invention more clear, the present invention is further described in detail below through the accompanying drawings and embodiments. However, it should be understood that the specific embodiments described herein are only used to illustrate the present invention and are not intended to limit the scope of the present invention.

[0026] like Figure 1-4 As shown, the utility model provides a mobile intelligent device for processing smoke and dust from tunnel excavation blasting, the specific details of which are as follows:

[0027] The remote control car 1 includes a card slot 2 in the middle section of the remote control car 1, an arc spray module 3 is placed in the card slot 2, the arc spray module 3 is semicircular, and a plurality of air-water injection nozzles 4 are evenly installed along the arc line of the top of the arc of the arc spray module 3, and the air-water injection nozzle 4 has a connecting pipe 41 inside, one end of the connecting pipe 41 is an air-water inlet end 411 and the other end is an injection end 412, the air-water inlet end 411 is connected to the pressurized air providing device 5 and the water supply device 6 respectively, the injection end 412 has a first nozzle opening 413, a second nozzle opening 414 and a third nozzle opening 415, wherein the first nozzle opening 413 is coaxially arranged with the connecting pipe 41, and along the axial direction of the connecting pipe 41, the second nozzle opening 414 is located on one side of the connecting pipe 41 and the third nozzle opening 415 is located on the other side of the connecting pipe 41.

[0028] Furthermore, an air supply space 42 is formed between the air-water injection nozzle 4 and the connecting pipe 41. The air supply space 42 is provided with at least three independent connecting sections 421 in sequence along the straight direction of the connecting pipe 41. Each connecting section 421 is connected to the pressurized air providing device 5. The connecting pipe 41 passes through the above-mentioned connecting sections 421 in sequence along the water supply direction and the interior of the connecting pipe 41 is in a through-state. The tube body of the connecting pipe 41 located in each connecting section 421 has an air inlet 416 for pressurized gas to enter.

[0029] Furthermore, a one-way valve is provided in the air inlet 416 for allowing gas to pass from the connecting section 421 into the connecting pipe 41 .

[0030] Furthermore, the diameter of the connecting section 421 decreases successively along the water supply direction; by successively decreasing the diameter of the connecting section, it is ensured that the connecting pipe has sufficient pressure to achieve a pressurization effect, thereby improving the atomization effect of the spray nozzle.

[0031] Furthermore, the first nozzle opening 413 , the second nozzle opening 414 and the third nozzle opening 415 are all equipped with pressurized injectors 7 .

[0032] Furthermore, the water supply device 6 includes a large-capacity liquid storage tank 61 arranged at the rear of the remote-controlled vehicle 1, a water supply pipe 62 connected between the connecting pipe 41 and the liquid storage tank 61, and a small water pump 63 connected to the water supply pipe 62. The liquid storage tank 61 stores a multi-component gun smoke eliminator.

[0033] Furthermore, the pressurized air providing device 5 includes a compressed air bag 51 and an air supply pipe 52 connecting the compressed air bag 51 and each connecting section 421 .

[0034] Furthermore, a gun smoke concentration sensor 8 and a signal receiving device 9 are respectively provided on the front cross section of the remote control vehicle 1 .

[0035] Furthermore, an air and liquid control valve 10 is installed at the front of the arc-shaped spray module 3. The air and liquid control valve 10 is connected to the gun smoke concentration sensor 8. The concentration is transmitted back by the gun smoke sensor 7 to automatically control the valve, adjust the gas and liquid flow, and control the rate and dosage of the elimination agent spraying. When the concentration of toxic and harmful gases and dust is high, the flow is increased, and when the concentration is low, the flow is reduced, so as to ensure that the whole set of equipment is economical and environmentally friendly.

[0036] Furthermore, the remote-controlled vehicle 1 moves toward the tunnel face only after blasting to prevent equipment from being damaged.

[0037] Working Principle: This mobile intelligent smoke and dust treatment device for tunnel excavation and blasting primarily consists of a remote-controlled vehicle 1, an arc-shaped spray module 3, an air-water injection nozzle 4, a pressurized air supply device 5, and a water supply device 6. During operation, the remote-controlled vehicle 1 is first moved to a suitable location near the smoke and dust generation area. Next, the small water pump 63 of the water supply device 6 delivers liquid containing blasting smoke eliminator from a liquid storage tank 61 via a water supply pipe 62 to the air-water inlet port 411 of the connecting pipe of the air-water injection nozzle 4. The compressed air bag 51 of the pressurized air supply device 5 delivers compressed air via the air supply pipe 52 to the various connecting sections of the air supply space of the air-water injection nozzle 4. The diameter of the connecting sections decreases along the water supply direction to regulate pressure. The connecting pipe 41 communicates with the air supply space 42 via an air inlet 416. A one-way valve at this inlet ensures orderly air flow and thorough mixing of air and water. The mixed gas-water fluid flows through connecting pipe 41 to injection port 412, where it is pressurized by three pressurized injectors 7 at the nozzle openings, creating a multi-angle spray that covers the smoke area. During the spray, the water aggregates the smoke particles, while the smoke eliminator chemically reacts with them. High-speed airflow turbulence aids in the effective removal of smoke and improves the working environment.

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements or improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A mobile intelligent device for processing smoke and dust from tunnel excavation and blasting, characterized in that: The invention comprises a remote control car (1), wherein a slot (2) is provided in the middle section of the remote control car (1), an arc-shaped spray module (3) is placed in the slot (2), the arc-shaped spray module (3) is in a semicircular shape, and a plurality of air-water injection nozzles (4) are evenly installed along the arc line of the top of the arc of the arc-shaped spray module (3), and a connecting pipe (41) is provided inside the air-water injection nozzle (4), one end of the connecting pipe (41) is an air-water inlet end (411) and the other end is an injection end (412), and the air-water inlet end is provided with a plurality of air-water injection nozzles (4) arranged on the top of the arc of the arc-shaped spray module (3). (411) is respectively connected to the pressurized air providing device (5) and the water supply device (6), and the injection end (412) has a first nozzle opening (413), a second nozzle opening (414) and a third nozzle opening (415), wherein the first nozzle opening (413) is coaxially arranged with the connecting pipe (41), and along the axial direction of the connecting pipe (41), the second nozzle opening (414) is located on one side of the connecting pipe (41) and the third nozzle opening (415) is located on the other side of the connecting pipe (41).

2. The mobile intelligent device for processing smoke and dust from tunnel excavation and blasting according to claim 1 is characterized in that: An air supply space (42) is formed between the air-water injection nozzle (4) and the connecting pipe (41). The air supply space (42) is provided with at least three mutually independent connecting sections (421) in sequence along the straight direction of the connecting pipe (41). Each connecting section (421) is connected to the pressurized air providing device (5). The connecting pipe (41) passes through the connecting sections (421) in sequence along the water supply direction, and the interior of the connecting pipe (41) is in a through-state. The pipe body of the connecting pipe (41) located in each connecting section (421) has an air inlet (416) for the pressurized gas to enter.

3. The mobile intelligent device for processing smoke and dust from tunnel excavation and blasting according to claim 2 is characterized in that: A one-way valve is provided in the air inlet (416) for allowing gas to pass from the connecting section (421) into the connecting pipe (41).

4. The mobile intelligent device for processing smoke and dust from tunnel excavation and blasting according to claim 3 is characterized in that: The diameter of the connecting section (421) decreases sequentially along the water supply direction.

5. The mobile intelligent device for processing smoke and dust from tunnel excavation and blasting according to claim 4 is characterized in that: The first nozzle opening (413), the second nozzle opening (414) and the third nozzle opening (415) are all equipped with pressurized ejectors (7).

6. The mobile intelligent device for processing smoke and dust from tunnel excavation and blasting according to claim 5, characterized in that: The water supply device (6) comprises a large-capacity liquid storage tank (61) arranged at the rear of the remote-controlled vehicle (1), a water supply pipe (62) connected between the connecting pipe (41) and the liquid storage tank (61), and a small water pump (63) connected to the water supply pipe (62); the liquid storage tank (61) stores a multi-component gun smoke eliminator.

7. The mobile intelligent device for processing smoke and dust from tunnel excavation and blasting according to claim 6, characterized in that: The pressurized air providing device (5) comprises a compressed air bag (51) and an air supply pipe (52) connecting the compressed air bag (51) and each connecting section (421).

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