CN108722819A - Large area quick particle sowing apparatus - Google Patents

Abstract

The invention relates to the technical field of mechanical equipment, and discloses a large-area rapid particle spreading device, including a safety cover (1), an operating module (2), a membrane rupture lever (3), a membrane clamping mechanism (4), and an energy storage tank ( 5), launch tube (6), particle sealing tube (7) and support (8); the two ends of the operation module are respectively connected to the safety cover and the energy storage tank; the clamping mechanism with a diaphragm in the middle is installed in the storage tank Inside the energy tank; the membrane rupture rod passes through the through hole of the operation module in the axial direction; the launch tube and the bracket with a particle sealing tube inside are installed on the energy storage tank; based on the principle of shock tube membrane rupture, the high pressure The high-pressure and high-speed jet flow generated by the gas in a short period of time enables the particle cluster to obtain an initial velocity, and achieves a large area of coverage to the target area; the operation preparation procedure is simple, no sparks are generated, the spreading distance is long, the area is large, and the distribution is uniform, and the operation is simple and fast. It can meet the requirements of single-person long-distance operation and emergency.

Description

Large area fast particle spreading device

technical field

The invention relates to the technical field of mechanical equipment, in particular to a large-area rapid particle spreading device.

Background technique

Liquid dangerous chemicals are poisonous, flammable, explosive, volatile and easy to spread. In the process of processing, storage, and transshipment, when a large area is leaked due to an accident, remedial measures need to be taken quickly. For the leakage of ground-flowing liquid hazardous chemicals, porous media particles are generally used to spread and cover the adsorption method. For large-scale regional leakage, if a purely manual spreading method is used, nearby operations are required, which will endanger the health of on-site operators. At the same time, the workload is heavy, the efficiency is low, and it takes a long time to meet the timeliness requirements. The use of electric or fuel-powered auxiliary methods requires a variety of auxiliary equipment on the one hand, the system is complex, and there are many procedures for use. On the other hand, there is a risk of sparks causing secondary disasters such as combustion and explosion, and requires personnel to work nearby. high.

Contents of the invention

The object of the present invention is to overcome the shortcomings of the above-mentioned prior art and provide a large-area rapid particle spreading device. The large-area rapid particle spreading device has simple operation preparation procedures, no sparks, long spreading distance, large area, and distributed Uniform, simple and rapid operation, which can meet the requirements of single-person long-distance operation and emergency.

In order to achieve the above object, the present invention provides a large-area rapid particle spreading device, including a safety cover, an operating module, a membrane rupture lever, a membrane clamping mechanism, an energy storage tank, a launch tube, a particle sealing tube and a bracket;

Both ends of the operation module are respectively connected to a safety cover and an energy storage tank;

The clamping mechanism is installed inside the energy storage tank, and is close to the operation module, and a diaphragm is arranged in the middle of the clamping mechanism;

The membrane breaking rod passes through the through hole of the operating module in the axial direction, and is used to break the membrane;

The launch tube is installed on the energy storage tank to provide a particle ejection track;

The particle sealing tube is arranged in the launch tube for storing particle coatings;

The bracket is installed on the outer surface of the energy storage tank for fixing the energy storage tank and adjusting the projecting angle.

Preferably, a radial protruding structure I is provided inside the operating module, and the inner diameter of the radial protruding structure I matches the outer diameter of the relative position of the rupture rod to limit the radial movement of the rupture rod.

Preferably, an elastic member is sleeved on the membrane rupture rod to prevent the membrane rupture rod from moving freely in the axial direction.

Preferably, a circular tube is provided inside the energy storage tank, and a cavity is formed between the circular tube and the outer wall of the energy storage tank for storing high-pressure gas and providing kinetic energy for particle ejection; the clamping mechanism is installed in the energy storage tank Inside the round tube, the inner diameter of the clamping mechanism is larger than the inner diameter of the round tube; the round tube is evenly distributed with ventilation holes I along the circumference at the position between the clamping mechanism and the port of the energy storage tank.

Preferably, the operating module is provided with a vent hole II at a position corresponding to the vent hole I on the circular tube.

Preferably, a radial protruding structure II is provided inside the launch tube, one end of the particle sealing tube is in close contact with the radial protruding structure II, and the other end is flush with the port of the launch tube.

Preferably, the port of the launching tube away from the energy storage tank is tapered, which is used to continue to expand and accelerate the supersonic airflow formed in the launching tube, and form a certain diffusion angle.

Preferably, an air charging valve, a safety relief valve and a pressure gauge are installed on the outer surface of the energy storage tank.

Preferably, the inside of the connection end between the energy storage tank and the launch tube is provided with a radial protrusion structure III, which is used to limit the movement of the particle sealing tube in the axial direction.

Preferably, the rod end of the membrane rupture rod is provided with a membrane rupture head.

Through the above-mentioned technical scheme, the beneficial effect of the present invention is that the large-area rapid particle spreading device is based on the principle that the shock tube ruptures the membrane to generate a high-pressure supersonic impact jet, and uses the high-pressure high-speed jet generated by the short-term release of high-pressure gas to impact the particle coating, Make the particle cluster acquire the initial velocity, after leaving the launch tube, shoot to the high altitude at a certain dispersion angle, and then achieve a large-area coverage of the target area with a parabolic trajectory. Since the high-pressure gas is stored in standby in the energy storage tank, during emergency operation, the operation preparation procedure is simple, no sparks are generated, the spreading distance is long, the area is large, the distribution is uniform, the operation is simple and fast, and it can meet the requirements of single-person long-distance operation and emergency .

Description of drawings

Fig. 1 is a schematic sectional view of an embodiment of the present invention;

Fig. 2 is a partial enlarged view of part A in Fig. 1;

Fig. 3 is a schematic cross-sectional view of a launch tube of the present invention;

Fig. 4 is a schematic diagram of the circular tube in the energy storage tank of the present invention.

Explanation of reference signs

1 insurance cover

2 operation module

21 Air vent II 22 Radial protrusion structure I

3 rupture rods

31 rupture head

4 clamping mechanism

5 storage tanks

51 Radial convex structure Ⅲ

6 launch tubes

61 Radial convex structure II

7 Particle seal tube 8 Holder

9 Ventilation hole Ⅰ 10 Elastic member

Detailed ways

In the present invention, unless stated to the contrary, the used orientation words such as "upper, lower, left, right" usually refer to the structural positional relationship in the drawings.

As shown in Figures 1, 2, 3, and 4, the present invention provides a large-area rapid particle spreading device, including a safety cover 1, an operating module 2, a membrane rupture lever 3, a membrane clamping mechanism 4, an energy storage tank 5, and a launch tube 6. Particle sealed tube 7 and bracket 8;

Both ends of the operation module 2 are respectively connected to the insurance cover 1 and the energy storage tank 5;

The clamping mechanism 4 with a diaphragm in the middle is installed inside the energy storage tank 5 and is close to the operation module 2;

The rupture rod 3 passes through the through hole of the operation module 2 in the axial direction, one end is placed in the cavity of the safety cover 1, and the other end is close to the clamping mechanism 4, for breaking the diaphragm;

The launch tube 6 is installed on the energy storage tank 5 at an end away from the operating module 2, and is used to provide a particle ejection track;

The particle sealing tube 7 is arranged in the launch tube 6 for storing particle coatings;

The bracket 8 is installed on the outer surface of the energy storage tank 5 for fixing the energy storage tank 5 and adjusting the projecting angle.

The connection mode between the safety cover 1 and the operation module 2, the operation module 2 and the energy storage tank 5, and the energy storage tank 5 and the launch tube 6 is screw connection.

The operating module 2 is provided with a radial protruding structure I22 inside, and the inner diameter of the radial protruding structure I22 matches the outer diameter of the relative position of the rupture rod 3 to restrict the radial movement of the rupture rod 3 .

The membrane rupture rod 3 is covered with an elastic member 10 for preventing the membrane rupture rod 3 from moving freely in the axial direction.

The energy storage tank 5 is provided with a circular tube, and a cavity is formed between the circular tube and the outer wall of the energy storage tank 5 for storing high-pressure gas and providing kinetic energy for particle ejection.

Described clamping mechanism 4 is installed in the inside of the circular pipe in energy storage tank 5, and clamping mechanism 4 internal diameters are greater than circular tube internal diameter; Ventilation hole I9 is arranged, and the high-pressure air rushes into the round tube in the energy storage tank 5 through the vent hole I9 after the diaphragm ruptures.

The operating module 2 is provided with a vent hole II21 at a position corresponding to the vent hole I9 on the circular tube.

The launch tube 6 is provided with a radial protrusion structure II61, one end of the particle sealing tube 7 is in close contact with the radial protrusion structure II61, and the other end is flush with the port of the launch tube 6 .

The inner diameter of the particle sealing tube 7 is consistent with the inner diameter of the radial protrusion structure II61 in the launch tube 6 .

The port of the launch tube 6 away from the energy storage tank 5 is tapered.

The outer surface of the energy storage tank 5 is equipped with an inflation valve, a safety release valve and a pressure gauge.

The inside of the connecting end between the energy storage tank 5 and the launch tube 6 is provided with a radial protrusion structure III51, which is used to limit the movement of the particle sealing tube in the axial direction.

The rod end of the membrane breaking rod 3 is provided with a membrane breaking head 31, which is in the shape of a cross triangular blade, which is convenient for breaking the membrane.

Among them, the sprayed particles are solid particles, and the radius and density are similar to those of rice; the large-area rapid particle spreading device adopts pressure accumulation pneumatic, and the weight of the particles that can be carried at one time does not exceed 5 kg, and the operating radius is not less than 5 meters. No less than 300 square meters, covering 300 square meters, the operation time does not exceed 8 minutes, the parts are easy to replace and maintain, the weight is not more than 20 kg, and one person can move it.

When in use, firstly put columnar particles covered with fragile tinfoil paper or other materials into the particle sealing tube 7, and then fill high-pressure gas into the energy storage tank 5 through the inflation valve, and after the pressure gauge shows that the pressure requirement is reached, Close the inflatable valve; according to the distance and size of the target area, adjust the angle of the projectile particles through the bracket 8, and fix the device; then, rotate the safety cover 1, push the rupture rod 3 to hit the diaphragm, and the diaphragm only needs to Slightly damaged to form a stress concentration point, it can be completely broken under the action of high-pressure gas. The high-pressure gas enters the launch tube through the vent hole on the round tube in the operation module 2 and the energy storage tank 5, and generates a shock in the launch tube 6. The reflection and propagation of the wave forms a supersonic airflow to impact the particle coating. The particle obtains an acceleration along the axis of the launch tube 6 under the impact. The track achieves large-scale coverage of the target area.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, however, the present invention is not limited thereto. Within the scope of the technical concept of the present invention, various simple modifications can be made to the technical solution of the present invention, including combinations of specific technical features in any suitable manner. In order to avoid unnecessary repetition, various possible combinations are not further described in the present invention. However, these simple modifications and combinations should also be regarded as the content disclosed by the present invention, and all belong to the protection scope of the present invention.

Claims (10)

1. A large-area fast particle spreading device, characterized in that it includes a safety cover (1), an operating module (2), a membrane rupture lever (3), a membrane clamping mechanism (4), an energy storage tank (5), a launcher Tube (6), particle sealing tube (7) and support (8); Both ends of the operation module (2) are respectively connected to the insurance cover (1) and the energy storage tank (5); The clamping mechanism (4) is installed inside the energy storage tank (5), and is close to the operation module (2), and a diaphragm is arranged in the middle of the clamping mechanism (4); The membrane breaking rod (3) passes through the through hole of the operating module (2) in the axial direction, and is used to break the membrane; The launch tube (6) is installed on the energy storage tank (5) to provide a particle ejection track; The particle sealing tube (7) is arranged in the launch tube (6) for storing particle coatings; The bracket (8) is installed on the outer surface of the energy storage tank (5) for fixing the energy storage tank (5) and adjusting the projecting angle. 2. The large-area rapid particle spreading device according to claim 1, characterized in that, the inside of the operating module (2) is provided with a radial protruding structure I (22), and the radial protruding structure I (22) ) matches the outer diameter of the relative position of the rupture rod (3), limiting the radial movement of the rupture rod (3). 3. The large-area rapid particle spreading device according to claim 1, characterized in that an elastic member (10) is set on the membrane rupture rod (3) to prevent the membrane rupture rod (3) from being free in the axial direction. move. 4. The large-area rapid particle spreading device according to claim 1, characterized in that, a circular tube is arranged inside the energy storage tank (5), and a cavity is formed between the circular tube and the outer wall of the energy storage tank (5) , used to store high-pressure gas and provide particle ejection kinetic energy; the clamping mechanism (4) is installed inside the circular tube in the energy storage tank (5), and the internal diameter of the clamping mechanism (4) is greater than the internal diameter of the circular tube; the circular tube is in Ventilation holes I (9) are evenly distributed along the circumference at the position between the clamping mechanism (4) and the port of the energy storage tank (5). 5. The large-area rapid particle spreading device according to claim 4, characterized in that the operating module (2) is provided with a ventilation hole II (21) at a position corresponding to the ventilation hole I (9) on the circular tube . 6. The large-area rapid particle spreading device according to claim 1, characterized in that, the launch tube (6) is provided with a radial convex structure II (61), and one end of the particle sealing tube (7) is connected to the radial direction The raised structure II (61) is close to each other, and the other end is flush with the port of the launch tube (6). 7. The large-area rapid particle spreading device according to claim 1, characterized in that, the port of the launch tube (6) away from the energy storage tank (5) is tapered, for continuing the supersonic airflow formed in the launch tube Expansion accelerates, and a certain diffusion angle is formed. 8. The large-area rapid particle spreading device according to claim 1, characterized in that, an air charging valve, a safety relief valve and a pressure gauge are installed on the outer surface of the energy storage tank (5). 9. The large-area fast particle spreading device according to claim 1, characterized in that, the inside of the connection end between the energy storage tank (5) and the launch tube (6) is provided with a radially raised structure III (51), which is used to To limit the movement of the particle seal tube (7) in the axial direction. 10. The large-area rapid particle spreading device according to claim 1, characterized in that, the rod end of the membrane rupture rod (3) is provided with a membrane rupture head (31).