Wall groove type and bottom groove type porous spray

Abstract

The utility model discloses a wall groove type and bottom groove type porous sprayer, which is characterized in that a pipe with the diameter phi of 100mm is cut into a length of 80mm, two sides of the pipe are sealed by a steel plate with the diameter phi of 100mm and the diameter of 5mm to ensure tight sealing, a two-way pipe with the diameter phi of 13 and a two-way pipe with the diameter phi of 19 are welded on one side of the pipe, the two-way pipe with the diameter phi of 13 is connected with an underground static pressure water pipe, and the two-way pipe with the diameter phi of 19 is connected with a pressure ventilation pipe. The static pressure air pipe is additionally arranged to reduce the blocking condition of the spray head, the spray nozzle holes are evenly formed in the circumference of the pipeline and connected with the reducer pipe and the atomization spray head, the water outlet pressure is increased, blocking is reduced, a water curtain is formed, the water curtain can capture coal dust in a roadway by 360 degrees, the spray head is convenient to replace, and meanwhile the device is installed on the telescopic support. The height is changed through driving of a rotating gear so as to adapt to underground roadways of different heights, a multi-hole spray head of the device is installed on a supporting table through a ratchet shaft, the angle of the multi-hole spray head is adjusted according to the actual dust falling requirement, limiting is conducted through the ratchet shaft so as to maintain the atomization effect, and the device is installed in the underground roadways through ground insertion of a bottom plate and is convenient to install.

Description

Technical Field

[0001] The utility model relates to the technical field of underground dust removal equipment, in particular to a wall groove type and bottom groove type porous spray. Background Art

[0002] Underground mines and workplaces are often affected by large amounts of dust, which not only threatens the health and safety of workers, but may also cause serious accidents such as explosions and fires. Especially during face operations, the amount of dust in the tunnels is particularly significant. However, existing spray systems are expensive, difficult to maintain, and have frequent nozzle blockages. At the same time, the height of underground tunnels varies depending on the actual mining conditions, resulting in the need for atomization devices of different heights, which in turn require corresponding support devices, which brings inconvenience to the project. Utility Model Content

[0003] The purpose of the utility model is to provide a wall groove type and bottom groove type porous spray to solve the problem of nozzle clogging. The height of the underground tunnel varies according to the actual mining situation, resulting in the need for atomization devices of different heights, and then corresponding support devices are required, which brings inconvenience to the project.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wall groove type and bottom groove type porous spray, which is installed in an underground tunnel, and includes a bottom plate, a support rod, a telescopic rod, a porous nozzle and an adjusting device. The four corners of the bottom end of the bottom plate are provided with conical plugs installed in the underground tunnel. The bottom plate is fixedly connected to the support rod, and the telescopic rod is inserted in the support rod. The support rod is provided with a connecting groove, and the connecting groove is provided with an adjusting device. The top of the telescopic rod is fixedly connected to a support platform, and the support platform is a concave rectangular groove body. Ratchet shafts are respectively provided on the two vertical ends of the support platform, and a porous nozzle is provided between the two ratchet shafts. A plurality of nozzle holes are evenly provided on the circumference of the left end of the porous nozzle, and an atomizing nozzle is fixedly connected to the nozzle hole. A static pressure air duct and a static pressure water pipe are flange-connected to the porous nozzle.

[0005] The adjusting device comprises a housing, a hand wheel, a gear and a rack. The gear is arranged in the housing, the hand wheel is fixedly connected to the input shaft of the gear, a rack is meshed on one side of the gear, and the rack is fixedly connected to the telescopic rod.

[0006] Preferably, the other end flange of the static pressure air duct is connected to a φ19 two-way valve, which is controlled by a first stop valve.

[0007] Preferably, the other end of the static pressure water pipe is connected to a φ13 two-way valve, which is controlled by a second stop valve.

[0008] Preferably, a reducing pipe is provided between the atomizing nozzle and the nozzle hole to change the speed and pressure of the water flow and enhance the atomization effect.

[0009] Preferably, the atomizing port of the atomizing nozzle is φ1mm.

[0010] Preferably, the installation position of the atomizing nozzle exceeds the end facing the corresponding support platform to avoid blocking the atomizing nozzle and affecting the atomization effect.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] Cut a φ100mm diameter pipe into 80mm length, and then use φ100mm diameter 5mm thick steel plates to block both sides to ensure tight sealing. Weld φ13 and φ19 two-way pipes on one side, where the φ13 two-way pipe is connected to the underground static pressure water pipe, and the φ19 two-way pipe is connected to the pressure air pipe. Adding the static pressure air pipe can reduce the blockage of the nozzle. Evenly open the nozzle holes on the circumference of the pipe, and connect the reducer and the atomizing nozzle to increase the water pressure, reduce blockage, and form a water curtain. The water curtain can capture the 360° water in the tunnel. The device can reduce coal dust and is convenient and quick to move in daily life. On-site tests show that the dust rate has been reduced by 69.96%, which has greatly improved the excavation efficiency and the nozzle is easy to replace. At the same time, the device is installed on a retractable bracket and is driven by rotating gears to change the height to adapt to underground tunnels of different heights. The porous nozzle of the device is installed on the support table through a ratchet shaft. According to the actual dust reduction needs, the angle of the porous nozzle is adjusted and limited by the ratchet shaft to maintain the atomization effect. The device is installed in the underground tunnel through the ground plug of the bottom plate for easy movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0014] Figure 2 This is a schematic diagram of the structure of the porous nozzle of the utility model.

[0015] Figure 3 The utility model is a schematic diagram of the structure of the atomizing nozzle and the reducer tube cooperating with each other.

[0016] Figure 4 It is a schematic diagram of the structure of the regulating device of the utility model.

[0017] In the figure: 1. bottom plate; 2. support rod; 3. telescopic rod; 4. adjustment device; 401. gear; 402. rack; 5. support platform; 501. ratchet shaft; 6. multi-hole nozzle; 7. static pressure air duct; 8. static pressure water pipe; 9. reducer; 10. atomizing nozzle. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" 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 it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example 1: Please refer to Figure 1-3The utility model provides an embodiment: a wall groove type and bottom groove type porous spray, which is installed in an underground tunnel, including a bottom plate 1, a support rod 2, a telescopic rod 3, a porous nozzle 6 and an adjusting device 4. The bottom end of the bottom plate 1 is provided with conical ground plugs at the four corners and installed in the underground tunnel. The bottom plate 1 is located at the bottom of the device, and conical ground plugs are provided at the four corners for stable installation in the underground tunnel. The bottom plate 1 is fixedly connected to the support rod 2, and the support rod 2 is fixedly connected to the bottom plate 1 to provide a basic supporting structure of the device. The support rod 2 is inserted with a telescopic rod 3, and the telescopic rod 3 is inserted in the support rod 2. The height of the device 4 can be adjusted as needed to adapt to different In the underground tunnels at the same height, a connecting groove is provided on the support rod 2, and an adjusting device 4 is provided on the connecting groove. The top of the telescopic rod 3 is fixedly connected to a support platform 5, and the support platform 5 is a concave rectangular groove body. The support platform 5 is a concave rectangular groove body, which is fixedly connected to the top of the telescopic rod 3 and is used to install a porous nozzle 6 and other related components. Ratchet shafts 501 are respectively provided on the two vertical ends of the support platform 5, and a porous nozzle 6 is provided between the two ratchet shafts 501. The porous nozzle 6 is located on the support platform 5, and a plurality of nozzle holes are evenly provided on the circumference for releasing atomized water mist to capture coal dust, and the atomization angle of the porous nozzle 6 is changed according to actual conditions. When the angle of atomization is changed, the ratchet shaft 501 is rotated to drive the porous nozzle 6 to rotate, thereby changing the angle of atomization. A plurality of nozzle holes are evenly arranged on the circumference of the left end of the porous nozzle 6, and an atomizing nozzle 10 is fixedly connected to the nozzle hole. A static pressure air duct 7 and a static pressure water pipe 8 are flange-connected to the porous nozzle 6. The static pressure air duct 7 is used to provide compressed air to enhance the atomization effect, and the static pressure water pipe 8 is used to provide water to produce the atomization effect. A φ19 two-way valve is flange-connected to the other end of the static pressure air duct 7 and is controlled by the first stop valve. A φ13 two-way valve is connected to the other end of the static pressure water pipe 8 and is controlled by the second stop valve. A variable The diameter pipe 9 is used to change the speed and pressure of the water flow and increase the atomization effect. The atomization port of the atomizing nozzle 10 is φ1mm. The installation position of the atomizing nozzle 10 exceeds the end facing the corresponding support platform 5, which is used to avoid blocking the atomizing nozzle 10, affecting the atomization effect, and increasing the atomization effect. At the same time, the nozzle nozzle is prevented from being blocked by water jetting. At the same time, the atomizing nozzle 10 is threadedly connected to the reducer 9 for easy replacement. When in use, first connect a φ13 hose from the static pressure water pipe 8, and then connect it to the φ13 two-way of the porous nozzle 6 through the φ13 stop valve, and then connect a φ19 hose from the static pressure air pipe 7 to the φ19 two-way of the porous nozzle 6. Subsequently, the water flow enters the system, and the static pressure wind enters the system at the same time. With the continuous water flow injection, the water flow passes through the reducer 9, and the reducer 9 pressurizes the water flow, and then the atomizing nozzle 10 sprays water to achieve the dust reduction effect of coal dust.

[0023] Example 2: Please refer to Figure 4 , based on Example 1, it also has the following structure:

[0024] The adjusting device 4 includes a housing, a handwheel, a gear 401, and a rack 402. The gear 401 is arranged in the housing. The handwheel is fixedly connected to the input shaft of the gear 401. The rack 402 is meshed with one side of the gear 401. The rack 402 is fixedly connected to the telescopic rod 3. When in use, the handwheel is turned, the handwheel drives the gear 401 to rotate, and the gear 401 drives the rack 402 on the telescopic rod 3 to move, so that the height of the device is changed, so that it is suitable for different tunnel height conditions to change the height of the atomization.

Claims

1. A wall groove type and bottom groove type porous sprayer installed in an underground tunnel, characterized in that: The invention comprises a bottom plate (1), a support rod (2), a telescopic rod (3), a multi-hole nozzle (6) and an adjusting device (4), wherein the bottom end of the bottom plate (1) is provided with conical ground plugs installed in an underground tunnel, the bottom plate (1) is fixedly connected to the support rod (2), the telescopic rod (3) is inserted into the support rod (2), the support rod (2) is provided with a connecting groove, the connecting groove is provided with an adjusting device (4), the top end of the telescopic rod (3) is fixedly connected to a support platform (5), the support platform (5) is a concave rectangular groove body, ratchet shafts (501) are respectively provided on the two vertical ends of the support platform (5), a multi-hole nozzle (6) is provided between the two ratchet shafts (501), a plurality of nozzle holes are evenly provided on the circumference of the left end of the multi-hole nozzle (6), an atomizing nozzle (10) is fixedly connected to the nozzle hole, a static pressure air duct (7) and a static pressure water pipe (8) are flange-connected to the multi-hole nozzle (6), The adjusting device (4) comprises a housing, a hand wheel, a gear (401), and a rack (402); the gear (401) is arranged in the housing; the hand wheel is fixedly connected to the input shaft of the gear (401); the rack (402) is meshed on one side of the gear (401); and the rack (402) is fixedly connected to the telescopic rod (3).

2. The wall groove type and bottom groove type porous spray according to claim 1, characterized in that: The other end of the static pressure air duct (7) is flange-connected to a φ19 two-way valve, which is controlled by a first stop valve.

3. The wall groove type and bottom groove type porous spray according to claim 1, characterized in that: The other end of the static pressure water pipe (8) is connected to a φ13 two-way valve, which is controlled by a second stop valve.

4. The wall groove type and bottom groove type porous spray according to claim 1, characterized in that: A reducing pipe (9) is also provided between the atomizing nozzle (10) and the nozzle hole, for changing the speed and pressure of the water flow and increasing the atomization effect.

5. The wall groove type and bottom groove type porous spray according to claim 4, characterized in that: The atomizing port of the atomizing nozzle (10) is φ1 mm.

6. The wall groove type and bottom groove type porous spray according to claim 5, characterized in that: The installation position of the atomizing nozzle (10) exceeds the end facing the corresponding support platform (5), so as to avoid blocking the atomizing nozzle (10) and affecting the atomization effect.

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