CN115479510A

CN115479510A - Rain-increasing hail-suppression rocket spreader

Info

Publication number: CN115479510A
Application number: CN202211151543.4A
Authority: CN
Inventors: 段佳宁; 封锋; 李丹丹; 孙胜凡
Original assignee: Nanjing Libang Special Equipment Co ltd; Nanjing University of Science and Technology
Current assignee: Nanjing Libang Special Equipment Co ltd; Nanjing University of Science and Technology
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2022-12-16

Abstract

The invention belongs to the technical field of a rain-increasing hail-suppression rocket, and particularly relates to a rain-increasing hail-suppression rocket spreader. Comprises a sealing cover, a wire catalytic assembly, a scattering bin, a catalyst igniter assembly and a sub-ammunition assembly; a plurality of linear catalysis assemblies are embedded in the inner wall of the scattering bin at intervals along the axis, a plurality of stepped through holes are uniformly arranged on the side wall of the scattering bin between the adjacent linear catalysis assemblies in the circumferential direction, the through hole with the larger diameter of the stepped through hole is positioned on one side of the outer surface of the scattering bin, and the sub-ammunition assembly is arranged in the through hole with the larger diameter of the stepped through hole; the bottom of the scattering bin is provided with a catalyst igniter assembly, the top of the scattering bin is provided with a sealing cover, a time schedule controller is arranged in the sealing cover, and a lead is arranged in the scattering bin. The seeding device has simple structure and assembly, does not influence ignition loops, and has uniform seeding state.

Description

Rain-increasing hail-suppression rocket spreader

Technical Field

The invention belongs to the technical field of a rain-increasing hail-suppression rocket, and particularly relates to a rain-increasing hail-suppression rocket spreader.

Background

The weather is one of the important means for preventing and reducing the disasters in the meteorological science and technology, and the rain-increasing and hail-preventing rocket has the advantages of large amount of carried catalyst, high nucleation rate, high launching height, convenient operation and the like, thereby being rapidly popularized and applied in the whole country. The rain-increasing hail-suppression rocket seeding devices mostly adopt a shrapnel casting technology to realize linear seeding and circumferential three-dimensional seeding of the catalyst.

Patent CN 102524004A provides a hail-suppression and rain-enhancement body catalyst sowing device, which adopts a central delay grain to ignite sub-ammunition propellant, and along with more and more sub-ammunitions being thrown away, the linear sowing nozzle is larger and larger, the sowing state is changed greatly, and the sowing is not uniform.

The patent CN 202890102U provides a civil hail suppression and rain enhancement rocket catalyst spreader, a spreader projectile body, a spreader shell and a nozzle are sequentially connected through threads to form the spreader, the number of parts is large, the processing procedure is complex, the assembly flow is complex, and the problem of uneven spreading state exists.

Disclosure of Invention

The invention aims to solve the problems of various parts, complex processing procedures, complex assembly flow, uneven sowing state and the like of the existing rain-increasing and hail-suppression rocket primary-secondary type sowing device, and provides a rain-increasing and hail-suppression rocket sowing device.

The technical solution for realizing the purpose of the invention is as follows: a rain-increasing hail-suppression rocket spreader comprises a sealing cover, a wire catalytic assembly, a spreading bin, a catalyst igniter assembly and a sub-ammunition assembly;

a plurality of linear catalysis assemblies are embedded in the inner wall of the spreading bin at intervals along the axis, a plurality of stepped through holes are uniformly arranged on the side wall of the spreading bin between the adjacent linear catalysis assemblies in the circumferential direction, the through hole with the larger diameter of the stepped through hole is positioned on one side of the outer surface of the spreading bin, and the sub-ammunition assembly is arranged in the through hole with the larger diameter of the stepped through hole; the bottom of the scattering bin is provided with a catalyst igniter assembly, the top of the scattering bin is provided with a sealing cover, a time schedule controller is arranged in the sealing cover, and a lead is arranged in the scattering bin;

the time sequence controller outputs a catalyst ignition signal to ignite the linear catalysis assembly at the bottom and the sub-ammunition propellant in the sub-ammunition assembly, the linear catalyst in the linear catalysis assembly burns and linearly spreads the catalyst to a cloud layer from a through hole (namely a nozzle) with a smaller diameter of a step through hole of the spreading bin, the sub-ammunition assembly spatially and stereoscopically spreads the sub-ammunition catalyst, the ignition propellant of the linear catalysis assembly is ignited when the catalyst of the linear catalysis assembly at the bottom burns out, the ignition propellant ignites the catalyst of the linear catalysis assembly adjacent to the ignition propellant, and the processes are repeated until the work is finished.

Furthermore, the sowing bin is formed by buckling two same sowing half-bins, when the sowing half-bins are buckled, a gap for arranging a lead is reserved, and step parts sleeved with other components are respectively arranged at two ends of the sowing half-bins; broadcast half-bin lock plane one side and be equipped with rectangular form arch, the opposite side is opened flutedly, and rectangular form arch width is less than the recess width, broadcasts half-bin inner wall and is equipped with a plurality of recesses that are used for the mounting line catalysis subassembly.

Further, the catalyst igniter assembly comprises an ignition seat, a conductive nut, a conductive screw, a gasket, a catalyst igniter, a catalyst ignition powder and a catalyst ignition medicine box;

the ignition seat is a stepped cylinder with cavities at two ends and a partition plate in the middle, the shape of the ignition seat is matched with the inner profile of the scattering bin, a wire through hole is formed in the side wall surface of the bottom cavity, a catalyst ignition medicine box and catalyst ignition medicine pressed in the catalyst ignition medicine box are placed in the cavity at the other side, a conductive screw through hole is formed in the partition plate in the middle of the ignition seat, the catalyst ignition tool is embedded into the catalyst ignition medicine, a conductive nut is arranged on the conductive screw, and a conductive gasket is arranged on the conductive screw and the conductive nut.

Furthermore, the sealing cover is bowl-shaped, the outer profile of the sealing cover is matched with the inner profile of the scattering bin, two wire through holes are formed in the side wall surface of the sealing cover, the two wires are respectively connected with a catalyst ignition end and an engine ignition end of the timing controller, a groove is formed in the outer wall surface of the sealing cover, a sealing ring is arranged in the groove and used for achieving sealing between the sealing cover and the scattering bin, and the timing controller and the wires in the sealing cover are prevented from being burnt by fire channeling during combustion of a wire catalyst in the wire catalytic assembly.

Furthermore, an engine ignition end of the time schedule controller is connected to an engine ignition tool through a wire which sequentially penetrates through a wire through hole on the side wall of the sealing cover, a reserved gap when the two spreading half bins are buckled and a wire through hole of the ignition seat, so that an engine ignition loop is formed;

the catalyst ignition end of the time schedule controller is connected to the gasket, the conductive nut and the conductive screw through the wire which sequentially passes through the wire through hole on the side wall of the sealing cover, the reserved gap when the spreading half-bin is buckled and the wire through hole of the ignition seat, and is conducted to the catalyst ignition tool, so that a catalyst ignition loop is formed.

Further, the wire catalysis component comprises a wire catalysis ignition medicine box, a wire catalysis ignition powder, a wire catalysis powder shell, a wire catalysis sealing ring, a wire catalyst and a wire catalysis powder cover;

the linear catalytic explosive shell is a stepped cylinder with cavities at two ends and a partition board in the middle, and the middle partition board is provided with a fire transfer through hole; the cavity with smaller diameter is positioned at the upper part and is internally provided with a wire catalytic ignition medicine box and a wire catalytic ignition medicine pressed in the wire catalytic ignition medicine box, and the cavity with larger diameter is internally provided with a wire catalyst through a wire catalytic medicine cover.

Furthermore, one end of the cavity with the larger diameter of the wire catalytic chemical shell is assembled in a groove of the spreading half-bin, the outer wall surface of the wire catalytic chemical shell is provided with the groove, and a wire catalytic sealing ring is arranged in the groove to prevent flame cross fire from igniting the next wire catalytic component in advance when the current wire catalytic component works;

the outer wall surface of one end of the wire catalysis medicine shell assembled with the wire catalysis medicine cover is provided with an annular step, and the wire catalysis medicine cover is bonded with the wire catalysis medicine shell and is positioned at the step position on the outer surface of the wire catalysis medicine shell.

Further, the ammunition sub-assembly comprises an ammunition sub-shell, an ammunition sealing ring, a bullet catalyst and a bullet propellant;

the bullet ammunition shell is a cylinder with one end sealed and a cavity in the cylinder, a bullet catalyst is pressed in the cavity in the ammunition shell, the bullet catalyst is assembled into the shape of the cylinder with the cavity in one end, and a bullet propellant is pressed in the cavity.

Furthermore, a groove is formed in the outer surface of the sowing half-bin, a protrusion matched with the groove in the outer surface of the sowing half-bin is arranged at the closed end of the sub-ammunition shell, and the sub-ammunition component does not protrude out of the outer circular surface of the sowing bin after being assembled;

the outer side wall surface of the sub ammunition shell is provided with a groove for placing a sub ammunition sealing ring so as to ensure good sealing of the sowing bin.

A method for spreading a catalyst by using the spreader comprises the following specific processes:

before the raining hail-suppression rocket is launched, the time schedule controller enters a working state, and the ignition time of an engine and the ignition time of a catalyst are set according to the local temperature, the air pressure, the altitude and the cloud layer height of launching by simultaneously utilizing time and height information to wirelessly bind the time schedule controller;

the time schedule controller outputs an engine ignition signal, and the engine igniter receives the signal and then ignites an engine explosive column to provide flying power for the rocket;

the time schedule controller outputs a catalyst ignition signal at preset time, the catalyst igniter receives the signal to ignite and simultaneously ignites the linear catalyst and the sub-ammunition propellant, the linear catalyst burns and is scattered to a cloud layer linearly from a spraying nozzle of the scattering half-bin, after the sub-ammunition assembly is thrown out under the action of gunpowder gas generated by the sub-ammunition propellant, the sub-ammunition propellant ignites the sub-ammunition catalyst, and the sub-ammunition catalyst is scattered in a space three-dimensional manner;

after the wire catalyst burns for a preset time, the wire catalyst burns until the wire catalyst is completely burnt, and simultaneously the wire catalytic ignition powder is ignited, and the wire catalytic ignition powder ignites the next group of sub-ammunition propellant powder and the next wire catalyst;

and repeating the process until all the linear catalysts are completely combusted and all the sub-ammunition components are completely thrown, and finishing the working process.

Compared with the prior art, the invention has the remarkable advantages that:

the rain-increasing hail-suppression rocket spreader provided by the invention has the advantages that the spreading half-bins are formed by die pressing, two identical spreading half-bins are buckled into the spreading bin, only one set of die is needed, the cost is lower, meanwhile, the spreading half-bins have the functions of sub-ammunition ejection and catalyst linear spreading with nozzles, the number of parts is reduced, the design of the spreading half-bins simplifies the assembly difficulty of a linear catalytic assembly, and the structure is simple and the manufacturability is good.

According to the rain-increasing hail-suppression rocket spreader, only one fire transfer through hole is communicated between two adjacent linear catalysis assemblies, the spreading state of each linear catalysis assembly is guaranteed to be almost consistent to the maximum extent, loop wires are prevented from being independently arranged in each linear catalysis assembly, the structure is simple, and the spreading state is uniform and consistent.

According to the rain-increasing hail-suppression rocket spreader, the grooves for placing the wires are reserved on the buckling plane of the spreading half-bin, the wires are hidden inside the spreading bin after the two half-spreading half-bins are buckled, the wires are not easy to burn due to fire jumping, and no influence is caused on the assembly process of other parts.

Drawings

Fig. 1 is a cross-sectional view of a spreader.

Fig. 2 is a partial cross-sectional view of a spreader.

Fig. 3 is a schematic view of a seeding half-bin.

Fig. 4 is a cross-sectional view of a wire catalytic assembly.

Fig. 5 is a cross-sectional view of a catalyst igniter assembly.

Fig. 6 is a cross-sectional view of a sub-cartridge assembly.

Description of the reference numerals:

1-sealing cover, 2-linear catalytic assembly, 3-spreading bin, 4-catalyst igniter assembly, 5-sub-ammunition assembly, 6-spreading half bin, 7-linear catalytic charge shell, 8-linear catalytic ignition charge, 9-linear catalytic charge shell, 10-linear catalytic sealing ring, 11-linear catalyst, 12-linear catalytic charge cover, 13-ignition seat, 14-conductive nut, 15-conductive screw, 16-gasket, 17-catalyst igniter, 18-catalyst ignition charge, 19-catalyst ignition charge box, 20-sub-ammunition shell, 21-sub-ammunition sealing ring, 22-sub-ammunition catalyst and 23-sub-ammunition propellant.

Detailed Description

The present invention is described in further detail below with reference to the attached drawing figures.

As shown in attached figures 1 and 2, the rain-increasing hail-suppression rocket spreader comprises a sealing cover 1, a line catalysis component 2, a spreading bin 3, a catalyst igniter component 4 and a sub-ammunition component 5, wherein the spreading bin 3 is a stepped cylinder, the diameters of two ends of the spreading bin are smaller than the diameter of the middle part of the spreading bin so as to be sleeved with other components, a plurality of stepped through holes (48 in the embodiment) are formed in the outer circular surface, holes with larger diameters of the stepped through holes are used for placing the sub-ammunition components 5, holes with smaller diameters are used as nozzles for spreading a line catalyst 11 to a preset cloud layer by the line catalysis component 2, and grooves are formed in two sides of the top end of each stepped through hole; the sealing cover 1 is bowl-shaped, and the outer profile of the sealing cover 1 is the same as the inner profile of the sowing bin 3; the line catalysis assemblies 2 are stepped cylinders, and a plurality of line catalysis assemblies 2 are arranged in grooves in the sowing bin 3; the catalytic bin igniter assembly 4 is a stepped cylinder, and the outer profile of the catalytic bin igniter assembly is the same as the inner profile of the sowing bin 3; the sub-ammunition component 5 is a cylinder, the top end of the sub-ammunition component is provided with a bulge, and the outer molded surface of the sub-ammunition component 5 is the same as the inner molded surface of the stepped through hole on the outer circular surface of the sowing bin 3;

as shown in fig. 1, 2 and 3, the rain-increasing hail-suppression rocket spreader of the invention is characterized in that a spreading bin 3 is formed by buckling two identical spreading half-bins 6, the spreading half-bins 6 are semi-cylindrical, the inner circular surface of the spreading half-bin 6 is provided with a plurality of grooves (5 in the embodiment), the outer circular surface is provided with a plurality of step through holes (24 in the embodiment), the holes with larger diameter are used for placing sub-ammunition components 5, the holes with smaller diameter are used as nozzles for spreading a line catalyst 11 to a preset cloud layer by a line catalytic component 2, two sides of the top end of each step through hole are provided with grooves, one side of the buckling plane of the spreading half-bin 6 is provided with a strip-shaped bulge, the other side is provided with a groove, the width of the strip-shaped bulge is smaller than that of the groove, and a preset gap is reserved for arranging a lead after the two identical spreading half-bins 6 are matched; the sowing half-bin 6 is formed by mould pressing of FX-501 and other common mould pressing materials.

As shown in the attached drawings 1, 2 and 4, the wire catalytic assembly 2 of the rain-enhancing hail-suppression rocket spreader comprises a wire catalytic ignition medicine box 7, a wire catalytic ignition powder 8, a wire catalytic medicine shell 9, a wire catalytic sealing ring 10, a wire catalyst 11 and a wire catalytic medicine cover 12; wherein, the wire catalytic ignition charge 8 is pressed in the wire catalytic ignition charge box 7; the wire catalytic explosive shell 9 is a stepped cylinder with cavities at two ends, a wire catalytic ignition explosive box 7 and a wire catalytic ignition explosive 8 are placed in the cavity at one end, a wire catalyst 11 is pressed in the cavity at the other end, a fire transfer through hole is formed between the cavities at two ends, a groove is formed in the middle of the outer surface of the wire catalytic explosive shell 9 and is used for placing a wire catalytic sealing ring 10 for preventing flame cross fire from igniting the next wire catalytic assembly in advance when the current wire catalytic assembly 2 works; the wire catalysis medicine cover 12 is bonded with the wire catalysis medicine shell and is positioned at the step position of the outer surface of the wire catalysis medicine shell 9.

As shown in fig. 1 and 5, the rain-enhancing hail-suppression rocket spreader of the invention comprises a catalyst igniter assembly 4, a catalyst igniter assembly and a catalyst igniter, wherein the catalyst igniter assembly 4 comprises an igniter base 13, a conductive nut 14, a conductive screw 15, a gasket 16, a catalyst igniter 17, a catalyst igniter charge 18 and a catalyst igniter case 19; the ignition seat 13 is a stepped cylinder with cavities at two ends, the shape of the ignition seat 13 is matched with the inner profile of the spreading bin, a catalyst ignition medicine box 19 and catalyst ignition medicine 18 are placed in the cavity at one end, a through hole is formed in the side wall surface of the cavity at the other end to serve as a conducting wire through hole, and a through hole is formed in the middle plane of the ignition seat 13 to serve as a conducting screw 15 through hole; the igniter 17 is embedded inside the catalyst ignition charge 18.

As shown in the attached figures 1, 2 and 6, the rain-enhancing hail-suppression rocket spreader comprises a sub-ammunition assembly 5, a sub-ammunition shell 20, a sub-ammunition sealing ring 21, a bullet catalyst 22 and a bullet propellant 23, wherein the sub-ammunition assembly 5 is assembled in a stepped through hole on the outer circular surface of a spreading bin 3; wherein, the ammunition sub-shell 20 is a cylinder with a cavity inside, the top end of the ammunition sub-shell 20 is provided with a bulge, the ammunition sub-assembly 5 does not protrude out of the outer circular surface of the spreading bin 3 after the bulge at the top end of the ammunition sub-shell 20 is matched with the groove at the top end of the stepped through hole of the spreading bin 3, the side surface of the ammunition sub-shell 20 is provided with a groove for placing an ammunition sealing ring 21 so as to ensure that the spreading bin 3 is well sealed, and the cavity inside the ammunition sub-shell 20 is pressed with a bullet catalyst 22; the bullet catalyst 22 is a cylinder with a cavity at one end, and a bullet propellant 23 is filled in the cavity.

As shown in figures 1 and 2, the rain-increasing and hail-preventing rocket spreader of the invention is characterized in that a timing controller is arranged in a sealing cover 1, the timing controller can wirelessly bind ignition time and catalyst ignition time of a rain-increasing and hail-preventing rocket engine and output ignition signals to an engine igniter and a catalyst igniter assembly 4 according to preset time, a groove is formed in the outer surface of the sealing cover 1 to arrange a sealing ring for preventing the timing controller and wires in the sealing cover 1 from being burnt by fire fleeing caused by combustion of a wire catalyst 11, and a wire through hole is formed in the side surface of the sealing cover 1.

As shown in figures 1, 2, 3 and 5, the rain-increasing hail-suppression rocket spreader is connected with an engine ignition end of a time schedule controller through a lead via hole on the side wall surface of a sealing cover 1, a buckling plane groove of a spreading half-bin 6 and a lead via hole on the side wall surface of an ignition seat 13, and is connected to an engine ignition tool to form an engine ignition loop.

As shown in figures 1, 2, 3 and 5, the rain-increasing hail-suppression rocket spreader of the invention is characterized in that a wire is connected with a catalyst ignition end of a time schedule controller, the wire is connected to a gasket 15 through a wire through hole on the side wall surface of a sealing cover 1, a buckling plane groove of a spreading half-bin 6 and a wire through hole on the side wall surface of an ignition seat 13, and the gasket 16, a conductive nut 14 and a conductive screw 15 are conducted to a catalyst igniter 17 to form a catalyst ignition loop.

The working process is as follows:

firstly, before the precipitation hail-suppression rocket is launched, the time schedule controller enters a working state, and the time schedule controller is wirelessly bound by using time and height information according to the information such as the local temperature, air pressure, altitude, cloud layer height and the like of launching to set the ignition time of an engine and the ignition time of a catalyst; the time schedule controller outputs an engine ignition signal, and the engine igniter receives the signal and then ignites an engine explosive column to provide flying power for the rocket; the time schedule controller outputs a catalyst ignition signal at a preset time, the catalyst ignition device 17 receives the signal to ignite and simultaneously ignites the linear catalyst 11 and the sub-ammunition propellant 23, the linear catalyst 11 burns and linearly spreads the catalyst to a cloud layer from a nozzle of the spreading half-bin 6, after the sub-ammunition component 5 is ejected out under the action of gunpowder gas generated by the sub-ammunition propellant 23, the sub-ammunition propellant 23 ignites the sub-ammunition catalyst 22, and the sub-ammunition catalyst 22 is spread in a spatial solid manner; the wire catalyst 11 burns at a certain burning rate for a preset time and then burns until the wire catalyst is completely burnt and the wire catalytic ignition powder 8 is ignited, the wire catalytic ignition powder 8 ignites the next group of the sub-ammunition propellant powder 23 and the next wire catalyst 11, the process is repeated until all the wire catalysts 11 burn and all the sub-ammunition assemblies 5 are thrown, and the working process of the spreading bin 3 is finished.

Claims

1. A rain-enhancement hail-suppression rocket spreader is characterized by comprising a sealing cover (1), a wire catalytic assembly (2), a spreading bin (3), a catalyst igniter assembly (4) and an ammunition sub-assembly (5);

a plurality of linear catalysis assemblies (2) are embedded in the inner wall of the scattering bin (3) at intervals along the axis, a plurality of stepped through holes are uniformly arranged on the side wall of the scattering bin (3) between adjacent linear catalysis assemblies (2) in the circumferential direction, the through hole with the larger diameter of the stepped through hole is positioned on one side of the outer surface of the scattering bin (3), and the sub-ammunition assembly (5) is arranged in the through hole with the larger diameter of the stepped through hole; a catalyst igniter assembly (4) is arranged at the bottom of the scattering bin (3), a sealing cover (1) is arranged at the top of the scattering bin, a time schedule controller is arranged in the sealing cover (1), and a lead is arranged in the scattering bin (3);

the time sequence controller outputs a catalyst ignition signal to ignite the linear catalysis assembly (2) at the bottom and the sub-ammunition propellant in the sub-ammunition assembly (5), the linear catalyst in the linear catalysis assembly (2) burns and is scattered to cloud layers from a through hole (namely a nozzle) with a small step through hole diameter in the scattering bin (3) in a linear mode, the sub-ammunition assembly (5) scatters the sub-ammunition catalyst in space in a three-dimensional mode, the ignition propellant of the linear catalysis assembly is ignited when the catalyst of the linear catalysis assembly at the bottom burns out, the ignition propellant ignites the catalyst of the linear catalysis assembly adjacent to the ignition propellant, and the process is repeated until the work is finished.

2. A spreader according to claim 1, characterized in that the spreading bin (3) is formed by two identical spreading half-bins (6) which are fastened together, when the spreading half-bins (6) are fastened together, a gap for arranging wires is left, and two ends of the spreading half-bins (6) are respectively provided with a step part which is sleeved with other components; one side of the buckling plane of the sowing half-bin (6) is provided with a strip-shaped bulge, the other side of the buckling plane of the sowing half-bin is provided with a groove, the width of the strip-shaped bulge is smaller than the width of the groove, and the inner wall of the sowing half-bin (6) is provided with a plurality of grooves for installing the line catalytic assemblies (2).

3. A dispenser according to claim 2, wherein the catalyst igniter assembly (4) comprises an igniter seat (13), a conductive nut (14), a conductive screw (15), a gasket (16), a catalyst igniter (17), a catalyst ignition charge (18) and a catalyst igniter cartridge (19);

the ignition seat (13) is a stepped cylinder with cavities at two ends and a partition plate in the middle, the shape of the ignition seat (13) is matched with the inner profile of the spreading bin (3), a wire through hole is formed in the side wall surface of the cavity at the bottom, a catalyst ignition medicine box (19) and catalyst ignition medicine (18) pressed in the catalyst ignition medicine box (19) are placed in the cavity at the other side, a conductive screw (15) through hole is formed in the partition plate in the middle of the ignition seat (13), a catalyst ignition tool (17) is embedded in the catalyst ignition medicine (18), a conductive nut (14) is arranged on the conductive screw (15), and a conductive gasket (16) is arranged on each of the conductive screw (15) and the conductive nut (14).

4. A spreader as claimed in claim 3, wherein the sealing cap (1) is bowl-shaped, the outer surface of the sealing cap (1) is adapted to the inner surface of the spreading chamber (3), the side wall of the sealing cap (1) is provided with two wire through holes, the two wires are respectively connected with the catalyst ignition end and the engine ignition end of the timing controller, the outer surface of the sealing cap (1) is provided with a groove, and a sealing ring is arranged in the groove for sealing between the sealing cap (1) and the spreading chamber (3) to prevent the wire catalyst (11) in the wire catalytic assembly (2) from being burned out to burn the timing controller and the wires in the sealing cap (1).

5. The spreader of claim 4, wherein the engine ignition end of the timing controller is connected to the engine igniter through the wires passing through the wire passing holes on the side wall of the sealing cover, the reserved gap when the two spreading half-bins (6) are buckled and the wire passing holes of the ignition seat (13) in sequence, so as to form an engine ignition loop;

the catalyst ignition end of the time schedule controller is connected to a gasket (16), a conductive nut (14) and a conductive screw (15) through a wire which sequentially passes through a wire through hole on the side wall of the sealing cover, a reserved gap when the spreading half bin (6) is buckled and a wire through hole of the ignition seat (13) to be conducted to a catalyst ignition tool (17) to form a catalyst ignition loop.

6. A dispenser as claimed in claim 5, characterised in that the string catalyst assembly (2) comprises a string catalyst igniter cartridge (7), a string catalyst igniter charge (8), a string catalyst charge housing (9), a string catalyst seal (10), a string catalyst (11) and a string catalyst charge cover (12);

the linear catalytic explosive shell (9) is a stepped cylinder with cavities at two ends and a partition board in the middle, and the middle partition board is provided with a fire transfer through hole; the cavity with the smaller diameter is positioned at the upper part and is internally provided with a wire catalytic ignition medicine box (7) and a wire catalytic ignition powder (8) pressed in the wire catalytic ignition medicine box (7), and the cavity with the larger diameter is internally provided with a wire catalyst (11) through a wire catalytic powder cover (12).

7. The spreader of claim 6, wherein one end of the cavity with larger diameter of the wire catalytic chemical shell (9) is assembled in a groove of the spreading half-bin (6), and the outer wall surface of the wire catalytic chemical shell (9) is provided with a groove in which a wire catalytic sealing ring (10) is arranged to prevent the flame cross fire from igniting the next wire catalytic component in advance when the front wire catalytic component (2) works;

the outer wall surface of one end of the wire catalysis medicine shell (9) assembled with the wire catalysis medicine cover (12) is provided with an annular step, and the wire catalysis medicine cover (12) is bonded with the wire catalysis medicine shell (9) and is positioned at the step position of the outer surface of the wire catalysis medicine shell (9).

8. A spreader according to claim 7, wherein the sub-cartridge assembly (5) comprises a sub-cartridge case (20), a sub-cartridge sealing ring (21), a cartridge catalyst (22) and a cartridge propellant (23);

the bullet ammunition shell (20) is a cylinder with one closed end and a cavity inside, a bullet catalyst (22) is pressed in the cavity inside the bullet ammunition shell (20), the bullet catalyst (22) is assembled into a cylinder with one end provided with a cavity, and a bullet propellant (23) is pressed in the cavity.

9. A spreader according to claim 7, wherein the stepped through-hole is provided with a groove on the outer surface of the spreading half-chamber (6), the closed end of the sub-cartridge case (20) is provided with a projection matching the groove on the outer surface of the spreading half-chamber (6), and the sub-cartridge assembly (5) does not protrude beyond the outer circumferential surface of the spreading chamber (3) after assembly;

the outer side wall surface of the sub ammunition shell (20) is provided with a groove for placing a sub ammunition sealing ring (21) so as to ensure that the spreading bin (3) is well sealed.

10. A method of spreading a catalyst using a spreader as claimed in any one of claims 1 to 9, characterised by the following steps:

the time schedule controller outputs a catalyst ignition signal at preset time, the catalyst igniter receives the signal to ignite and simultaneously ignites the linear catalyst (11) and the sub-ammunition propellant (23), the linear catalyst (11) burns and is spread to a cloud layer linearly from a nozzle of the spreading half-bin (6), after the sub-ammunition assembly (5) is ejected out under the action of gunpowder gas generated by the sub-ammunition propellant (23), the sub-ammunition propellant (23) ignites the sub-ammunition catalyst (22), and the sub-ammunition catalyst (22) is spread in a space three-dimensional manner;

the wire catalyst (11) burns until the end of combustion after a predetermined time and ignites the wire catalytic ignition charge (8), and the wire catalytic ignition charge (8) ignites the next group of ammunition propellant charges (23) and the next wire catalyst (11);

and repeating the process until all the linear catalysts (11) are burnt and all the ammunition sub-assemblies (5) are thrown, and finishing the working process.