48results about How to "Increased explosion safety" patented technology

The invention relates to an energy saving explosion prevention electric heater for pots, which is provided with a heating device which extends into a pot from the outside of the pot and a flow jet and heat transfer device, wherein the flow jet and heat transfer device consists of a flow jet pump and a flow jet pipe which is connected with the flow jet pump and extends into the pot. A liquid inlet of the flow jet pump is communicated with a liquid storage pot through a liquid suction pipe, and the part of the flow jet pipe extending out of the pot is provided with an electromagnetic scale preventing and scale removing device. The heating device consists of a plurality of electric heating components, and is arranged in a lower position in the liquid storage pot parallel to the flow jet pipe, wherein the electric heating components and the part of the flow jet pipe extending out of the pot are coated with an explosion prevention box, and the inside of the explosion prevention box is provided with a heating monitoring device. The energy saving explosion prevention electric heater can prevent the surface of the electric heater from scaling and coking effectively, and has the advantages of high heat energy transfer speed, high electric heat efficiency, long service life, obvious energy saving effect, good explosion prevention safety performance, convenient operation and maintenance, and the like.

The invention discloses an electromechanical time fuse of an antiaircraft gun hail-mitigating cloud-seeding round. The fuse comprises an upper body 1, a wind cap 2, an electromechanical timing ignition mechanism 3, a fuse body 4, a ball rotor safety and arming mechanism 5 and a booster 7, wherein the wind cap 2 covers the front end of the upper body 1, the bottom of the wind cap 2 is closed and fixed in an annular groove in the outer side of the upper body 1, the electromechanical timing ignition mechanism 3 comprises a magnetic recoil power supply and an electronic timing and ignition module,and is positioned inside a cavity of the upper body 1, the rear end of the electromechanical timing ignition mechanism 3 is adjacent to a primary-explosive-free detonator 17, the ball rotor safety and arming mechanism 5 is located inside a cavity of the fuse body 4, the top end of the ball rotor safety and arming mechanism 5 is adjacent to the primary-explosive-free detonator 17, a bulge part ofthe front end of the booster 7 is adjacent to the ball rotor safety and arming mechanism 5, the rear end of the booster 7 serves as a fuse output end, and the the booster 7 is used for initiating projectile charges. According to the electromechanical time fuse of the antiaircraft gun hail-mitigating cloud-seeding round, the timing is accurate, the manufacturability is good, and the reliability ishigh.

The present invention discloses a gas tight test board of a hydraulic valve, belonging to the field of the hydraulic element testing technology. The gas tight test board of the hydraulic valve comprises a first station, the first station includes a testing unit and an installation unit, and the testing unit includes a valve block part sealing tool, a pneumatic two-position and four-way reversing valve, a first pneumatic pressure reducing valve and a gas glass rotameter; the installation unit includes a cylinder and a pneumatic three-position and five-way reversing valve; the valve block part includes a valve body installation part, a tool installation part, a cylinder installation part and a gas outlet; the cylinder includes a cylinder barrel and a piston rod; and the sealing tool includes a tool venting part, a tool fixing part, a tool intake part and the interior through hole of the tool. According to the invention, the gas tight test board of hydraulic valve is able to accurately detect gas pressure and the quantity of gas leakage, and is also able to rapidly change a measured valve body, therefore the work efficiency of the detection is improved.

The invention discloses an air-conditioning ventilation system for an anti-explosion place of a ship and a control method thereof. The air-conditioning ventilation system comprises an independent airconditioner external unit arranged outside a cabin of the anti-explosion place, an anti-explosion air conditioner internal unit, an air-entering electric ventilation door and an air exhausting mechanism which are arranged in the cabin; the independent air conditioner includes a refrigeration assembly and an electric control box, and the anti-explosion air conditioner internal unit includes an evaporator, a thermostatic expansion valve, an anti-explosion draught fan, an electric heater, and a temperature sensor for detecting the air-returning temperature in the cabin of the anti-explosion place; and the refrigeration assembly communicates with the evaporator through a refrigerant pipe penetrating through a bulkhead, and the thermostatic expansion valve is fixed at an entrance of the evaporator. The control method comprises two control modes including a manual operation mode and an automatic mode, through the combined control of air conditioning and ventilation, the requirement of the storage temperature of anti-explosion items is ensured, long-time accumulation of flammable and explosive gas is avoided, the safety of the anti-explosion cabin is ensured, and the control method is high in degree of automation, simple in logic setting, easy to operate and reliable in control.

The invention relates to a method for measuring mass flow rate of solid particles in a circulating fluidized bed lifting pipe and belongs to the petrochemical field. The method not only does not need to change the structure of a circulating fluidized bed, but also does not need to add any part, only pressure sensors are arranged at proper positions of a horizontal pipe I of a T-shaped elbow at the outlet of a catalytic cracking device lifting pipe and the lifting pipe G to obtain two measuring point pressure drop delta p, and then the particle mass flow rate G<s> of the lifting pipe is obtained through calculation by using lifting pipe gas speed U<g>. The method for measuring mass flow rate of solid particles in the circulating fluidized bed lifting pipe has higher anti-interference performance and time following performance, has the advantages that the measurement is convenient and quick to conduct, the feed of the lifting pipe and the materials in a circulating loop are not interrupted, the method is easy to realize in the existing traditional circulating fluidized bed system and the like, and is particularly applicable to real-time detection and control of the mass flow rate of the solid particles in the lifting pipe with a T-shaped outlet structure in a catalytic cracking device.

The invention discloses a base mechanical trigger fuze of a rifle gun grenade. A booster tube shell, booster explosive, a reinforcing cap, a gasket, a ball cover, an isolation ball, a needling detonator, a split ring, a ball seat, a firing pin, a ballistic spring, a firing pin sleeve, a self-destruction spring, an inertia body, a striking ball and a centrifugal ball are arranged in a fuze body, wherein the booster tube shell, the booster explosive, the reinforcing cap, the gasket, the ball cover, the isolation ball, the needling detonator, the split ring, the ball seat, the firing pin, the ballistic spring, the firing pin sleeve, the self-destruction spring, the inertia body and the striking ball are coaxially arranged from top to bottom, and the centrifugal ball is eccentrically arranged. The isolation ball serves as an explosion-proof piece and forms a ball rotor together with the needling detonator. At ordinary times, the ball rotor is locked at an explosion-proof position by the firing pin and the split ring, so that redundant insurance is realized. The firing pin and the split ring relieve the safety of the ball rotor by means of recoil and rotation environments during firing. The ball rotor also realizes a deferred safety release distance which is more than 20m. The fuze has the functions of floor blasting, large-angle ignition and centrifugal self-destruction, and when the fuze is applied to an antiaircraft gun grenade with the caliber of 35 mm, reliable triggering can be achieved when an aluminum alloy target plate with the thickness of 2 mm is vertically hit. Related requirements of the fuse safety design criterion GJB373B-2019 are met.

The invention discloses a netty anti-explosion gradual-change sheet resistance metalized safety film for a capacitor. The film comprises a polypropylene film dielectric layer and two metalized film layers plated on the polypropylene film dielectric layer in an evaporation way through uniformly mixed zinc aluminum, wherein the metalized film layers adopt netty structures and are segmented into conductive metal grids by X-shaped plating-free regions; the adjacent X-shaped plating-free regions are disconnected by micro fuses formed by the metalized film layers subjected to the evaporation plating; and the conductive metal grids are connected by the micro fuses. The film has the beneficial effects that the capacitor is high in voltage increment rate, high in high-frequency performance and high in energy storage density, and has very high sensitivity when being passed by a high current; and a self-recovery breakdown part can be effectively isolated during self recovery, so that other parts are prevented from being influenced, the internal safety quality of the whole dry anti-explosion capacitor is ensured, the capacitor is sensitive in response, reliable in self recovery and high in anti-explosion safety performance, and the problems of easy combustion and explosion, poor quality, low reliability, short service life and the like of an existing capacitor product are solved.

The invention discloses an obstructive explosionproof composite and a preparation method thereof. Honeycomb aluminum foil or honeycomb paper foil is used as a structural base material, and after the surface of the structural base material is coated with a coating having corrosion prevention and electric conduction function, the problems that existing metal obstructive explosionproof materials areeasy to corrode and short in use life, and cannot be used in dynamic fuel storage vessels are solved. When the honeycomb paper foil is used as the structural base material, production cost of an existing obstructive explosionproof material system can be substantially reduced, and the obtained obstructive explosionproof composite is suitably applied to large oil material storage vessels, and simultaneously the preparation method of the obstructive explosionproof composite facilitates large area popularization and usage of the obstructive explosionproof composite.

The invention discloses a fire-retardant, heat-resistant and explosion-proof cable. The fire-retardant, heat-resistant and explosion-proof cable comprises a cable core. The fire-retardant, heat-resistant and explosion-proof cable is characterized in that the cable core is formed through stranding at least one set of conductor; the peripheries of the conductor are wrapped with insulating layers; the cable core is wrapped with a wrapping tape layer; the periphery of the wrapping tape layer is wrapped with a shielding layer; the periphery of the shielding layer is wrapped with a tensile compressive layer; the periphery of the tensile compressive layer is wrapped with a heat-resistant and flame-retardant glass fiber tape; the periphery of the heat-resistant and flame-retardant glass fiber tape is wrapped with a protective layer; and a flame-retardant sealant is filled between the cable core and the wrapping tape layer. The fire-retardant, heat-resistant and explosion-proof cable of the invention is advantageous in simple structure, excellent mechanical performance, low cost, safe operation, convenient use, improved performance, low capacitance, low inductance, improved explosion-proof and safety performance as well as more convenient and reliable use. Influence on explosion-proof and safety performance of the cable, which is caused by an accident in construction and installation, can be avoided.

The invention discloses a hot melting alloy inertial composite rotor-type isolating mechanism and belongs to the technical field of fuse safety mechanisms. The isolating mechanism comprises a body provided with a rotor hole, and a rotor embedded into the rotor hole in a sleeved mode. Holes for containing a hot melting alloy pin push device, an inertial safety component, a lock pin, a converting switch, a fire transmitting component, an explosion transmitting component and the like are formed in the rotor and the body. By preferably selecting the structure components and optimizing the hole positions, the isolating mechanism is provided with a large isolation removal rotary angle, the states of the isolating mechanism can be accurately recognized and fed back, and it is ensured that the isolating mechanism can be locked at the states under all the states. According to the hot melting alloy inertial composite rotor-type isolating mechanism, through the arrangement, on the one hand, safety of the mechanism under the safe state is ensured, alignment of the detonating sequence under the due-out condition is ensured, and the detonating efficiency is greatly promoted; and on the other hand, through the components such as the converting switch, the states of the isolating mechanism can be effectively recognized and fed back to a control system, and thus safety and the detonating efficiency of the isolating mechanism can be further promoted.

The invention aims to disclose novel explosion-proof glass, comprising an impact layer (1) and a protective layer (2) which are sealed with a sealing part (3), wherein the impact layer (1) is explosion-proof compound glass (5) or reinforced explosion-proof compound glass (5); and the protective layer (2) is composed of sandwich glass (14) or a plastic sheet (6); and a closed buffering chamber (9) is formed between the impact layer (1) and the protective layer (2) through the intervals of arranged buffers (8). An impact wave is buffered for the first time by arranging a protective rubber sheet in the reinforced explosion-proof compound glass; and the impact wave caused by explosion is buffered for the second time through the buffering chamber; at the same time, spattering of veneering glass fragments is further prevented by additionally adding the rubber sheet behind the protective layer; so that explosion can be prevented fundamentally; and the novel explosion-proof glass has significant effect for safety protection of banks, financial and public places.

The invention discloses an inertia driving rotor isolation mechanism, and belongs to the technical field of fuse safety mechanism. The isolation mechanism comprises a main body provided with a rotor hole, and a rotor embedded in the rotor hole; the rotor and the main body are provided with holes for accommodating such parts as a manual pin pusher, an inert safety part, a lock pin, a conversion switch, a fire transfer part and an explosion propagation part; and through preferential structural parts and preferential hole positions, even if the isolation mechanism has a larger isolation relief turning angle, the state of the isolation mechanism can be precisely identified and returned, and the isolation mechanism can be locked in the state in each state. Through settings, on the one hand, the safety of the mechanism in the safety state is guaranteed, the alignment of detonation sequences in an arming state is guaranteed, and the detonation efficiency is greatly improved; and on the other hand, such parts as the conversion switch is applied to effectively identify the state of the isolation mechanism to return to the control system, so that the safety and the detonation efficiency of the isolation mechanism can be further improved.

The invention relates to an explosion-proof safety top cover for a battery. The explosion-proof safety top cover comprises a top cover substrate, wherein polar columns, metal cushion blocks and a liquid injecting hole are arranged on the top cover substrate; an explosion-proof assembly is also arranged on the top cover substrate; and the explosion-proof assembly comprises a gas collecting cover base fixed on the top cover substrate, a gas collecting cover connected with the gas collecting cover base, and a pressure release valve arranged in the center in the gas collecting cover base. By virtue of the technical scheme, the explosion-proof assembly can perform quick reaction to start the pressure release valve when the battery suffers from a severe gas reaction caused by overcharging, short circuit and the like, to release internal pressure of the battery in time so as to prevent from an explosion safety accident; meanwhile, the interior of the explosion-proof assembly has an electrolyte separating function, so that corrosion to an external flow-guiding electrode plate of the battery and possibly-caused personal injury by an electrolyte ejected from the interior of the battery at high temperature and high pressure can be avoided; and in addition, the explosion-proof safety performance of the battery can be improved without affecting the production yield and battery performance, so that the explosion-proof safety top cover has relatively high industrial application prospect.

The invention discloses an automatic reversing mechanism, and belongs to the technical field of oil cylinder control devices. The automatic reversing mechanism solves the technical problem and achieves automatic reversing through the motion of piston rods of oil cylinders. According to the technical scheme for solving the technical problem, the automatic reversing mechanism comprises the first oil cylinder, the second oil cylinder, the third oil cylinder, the first piston rod, the second piston rod, the third piston rod and a manual reversing valve, a cylinder body of the first oil cylinder, a cylinder body of the second oil cylinder and a cylinder body of the third oil cylinder are all fixedly arranged, the second oil cylinder is arranged between the first oil cylinder and the third oil cylinder, the bottom end of the manual reversing valve is fixed, the manual reversing valve is a two-position four-way valve, and the manual reversing valve controls the motion direction of a second piston. The automatic control over the automatic reversing mechanism is achieved through the motion of the piston rods of the oil cylinders, and the explosion-proof security of equipment used under a mine is increased.

The invention discloses an anti-explosion cable and a preparation method thereof. The anti-explosion cable sequentially comprises a cable conductor core, an insulating layer, a shielding layer, a phase change material layer, a waterproof layer, a first anti-explosion layer, a compression-resistant layer, a second anti-explosion layer, a flame-retardant layer and a jacket layer. An extrusion process is adopted to coat the insulating layer outside the cable conductor core, the shielding layer is formed by overlapped lapping, the phase change material layer is adhered outside the shielding layer, and the waterproof layer is coated on the phase change material layer; the extrusion process is adopted to coat the first anti-explosion layer on the waterproof layer, and the compression-resistant layer and the second anti-explosion layer are sequentially coated on the first anti-explosion layer; a double-extrusion process is adopted to coat the flame-retardant layer and the jacket layer on the second explosion layer to form the anti-explosion cable. The anti-explosion cable is reasonable in structure, good in flame-retardant performance, anti-explosion performance, anti-interference performance and mechanical performance, low in cost, safe to operate and quite convenient to use, performances of the cable are improved, anti-explosion safety of the cable is improved, and the anti-explosion cable is more convenient and more reliable to use.

The invention discloses a high-safety gas storage device. The high-safety gas storage device comprises a main body and a processing pipe, and in one main body of a gas supply and discharge manifold, the high-safety gas storage device further comprises a bundle of hollow capillary pipes, the tail ends of the tail ends are connected with the gas supply and discharge manifold, and on all the outer surfaces of the capillary pipes, except for the capillary pipes connected with a collector, the tail ends of the capillary pipes are coated with a material with higher plasticity than a capillary pipe material. By means of the high-safety gas storage device, the cost of a gas storage tank in the manufacturing and operating process is simplified and reduced, meanwhile, the explosion safety and the high specific gas content in the storage tank are increased, and the performance of the storage tank will be improved.

The invention provides a water-cooling water sealing type biomass gasifier and a gasifying method. The water-cooling water sealing type biomass gasifier comprises a furnace body, wherein a bracket used for fixing the furnace body is arranged on the exterior of the furnace body; the furnace body is connected with the bracket through a fixing pin; a feeding hole and a fuel gas outlet are formed in the upper part of the furnace body; a first air blowing hole and a secondary air blowing hole are formed in the lower part of the furnace body; a water cooling device and an explosion-proof device are arranged on the furnace body; a water-cooling tube is arranged as a water cooling device main body; the water-cooling tube is arranged on the upper part of the furnace body; the explosion-proof device comprises an upper explosion-proof device, a middle explosion-proof device and a lower explosion-proof device; the upper explosion-proof device is arranged on the upper part of the furnace body; the lower explosion-proof device is arranged on the lower part of the furnace body. The water-cooling water sealing type biomass gasifier provided by the invention has the advantages of simple structure, quick gasification reaction, excellent sealing property, high explosion-proof safety, excellent cooling effect and capability of thoroughly separating fuel gas, tar and residue.

The invention relates to a fiber-reinforced glass material. The fiber-reinforced glass material is prepared from the following components in parts by weight: 86-120 parts of silicon dioxide, 8-14 parts of strontium carbonate, 3-9 parts of aluminum sesquioxide, 12-15 parts of polypropylene fiber, 18-26 parts of glass fiber, 3-8 parts of lignin fiber, 0.3-1.5 parts of samarium oxide and 0.6-3 partsof neodymium oxide. The fiber-reinforced glass material is reasonable in component ratio and has excellent properties such as impact resistance, explosion resistance, mechanical damage resistance andresistance to low temperature and high temperature; the anti-explosion effect is achieved; the anti-explosion safety performance is improved.

The invention discloses an electromagnetic inertial composite rotor-type isolating mechanism and belongs to the technical field of fuse safety mechanisms. The isolating mechanism comprises a body provided with a rotor hole, and a rotor embedded into the rotor hole in a sleeved mode. Holes for containing an electromagnetic pin push device, an inertial safety component, a lock pin, a converting switch, a fire transmitting component, an explosion transmitting component and the like are formed in the rotor and the body. By preferably selecting the structure components and optimizing the hole positions, the isolating mechanism is provided with a large isolation removal rotary angle, the states of the isolating mechanism can be accurately recognized and fed back, and it is ensured that the isolating mechanism can be locked at the states under all the states. According to the electromagnetic inertial composite rotor-type isolating mechanism, through the arrangement, on the one hand, safety of the mechanism under the safe state is ensured, alignment of the detonating sequence under the due-out condition is ensured, and the detonating efficiency is greatly promoted; and on the other hand, through application of the components such as the converting switch, the states of the isolating mechanism can be effectively recognized and fed back to a control system, and thus safety and the detonating efficiency of the isolating mechanism can be further promoted.

The invention discloses an air supply explosion-proof marine air conditioning system and a control method thereof. The air conditioner ventilation system comprises an independent air conditioner outdoor unit arranged outside a cabin of an explosion-proof place, an explosion-proof air conditioner indoor unit, an air inlet electric air door and an air exhaust mechanism, wherein the explosion-proof air conditioner indoor unit, the air inlet electric air door and the air exhaust mechanism are arranged in the cabin; the independent air conditioner outdoor unit comprises a refrigeration assembly andan electrical control box. The explosion-proof air conditioner indoor unit comprises an evaporator, a thermostatic expansion valve, an explosion-proof fan, an electric heater and a temperature sensorused for detecting the temperature of return air in the cabin of the explosion-proof position, the refrigeration assembly is communicated with the evaporator through a refrigerant pipeline penetrating through the cabin wall, and the thermostatic expansion valve is fixed to an inlet of the evaporator. The control method comprises a manual control mode and an automatic control mode, through combined control of air conditioning and ventilation, the requirement for the storage temperature of the explosion-proof objects is met, long-time accumulation of flammable and explosive gas is avoided, thesafety of the explosion-proof cabin is guaranteed, and the control method is high in automation degree, simple in logic setting, easy to operate and reliable in control.

The invention discloses an inertial memory alloy composite rotor-type isolation mechanism, and belongs to the technical field of fuse safety mechanisms. The isolation mechanism comprises a body provided with a rotor hole, and a rotor nested in the rotor hole, wherein holes for accommodating a memory alloy pin pusher, an inertia safety component, a lock pin, a change-over switch, a fire propagation component, an explosion propagation component and other components are formed in the rotor and the body; and the isolation mechanism has a large isolation termination rotation angle through optimization for the structure components and optimization for the positions of the holes, the state of the isolation mechanism can be accurately identified and fed back, and locking for the isolation mechanism in each state in the state is ensured. According to the isolation mechanism disclosed by the invention, through the abovementioned arrangement, on one hand, the safety of the mechanism in a safe state is guaranteed, and the alignment of a detonation sequence in an arming state is ensured, so that the detonation efficiency is greatly increased; and on the other hand, the state of the isolation mechanism can be effectively identified and fed back to a control system by the change-over switch and other components, so that the safety of the isolation mechanism is further improved, and the detonation efficiency is further increased.

The invention discloses an explosion-proof plug for industrial aviation. The plug comprises a movable barrel head, a fixed base, a plug core, an explosion-proof self-outage piece, an electric leakage early-warning lamp and an explosion-proof cover, wherein the movable barrel head is mounted on the fixed base, the plug core and the explosion-proof self-outage piece are arranged in the fixed base, the electric leakage early-warning lamp is arranged outside the fixed base, and the explosion-proof cover is arranged on the movable barrel head. With the adoption of the mode, the explosion-proof self-outage piece, the electric leakage early-warning lamp and the explosion-proof cover are arranged, so that the plug is high in explosion-proof safety performance and good in durability.

A minor axis draught fan with a motor being rear-mounted comprises a guide vane, an impeller, a bearing seat, a motor cooling air pipe, an explosion-proof motor, a diffuser and a motor cooling air inlet. The minor axis draught fan is characterized in that the explosion-proof motor is arranged at the air inlet, and the components of the explosion-proof motor, the bearing seat, the impellor, the guide vane and the diffuser are arranged sequentially; the motor cooling air pipe is arranged above the explosion-proof motor, the motor cooling air inlet is formed below the explosion-proof motor, the explosion-proof motor is connected with the impellor through the bearing seat, the impellor is aligned with the guide vane, and the guide vane is connected with the diffuser. The minor axis draught fanhas the beneficial effects that wind current flowing in a motor sealing cavity can be located in fresh wind current, flammable and combustible gas and polluted air under a well cannot enter the motorsealing cavity under the negative pressure condition, the explosion-proof safety is high, the cooling system is unblocked, the temperature of the motor is stable, and the operation safety coefficientof the draught fan is high.

The invention discloses a swing type control valve. The swing type control valve comprises a swing reversing mechanism and a valve body sealing cover which are arranged in a mounting cavity, wherein the valve body sealing cover is arranged at the air outlet end of a valve body; the swing reversing mechanism comprises a speed reduction steering gear set; an input shaft of the speed reduction steering gear set is connected with a driving mechanism; an output shaft of the speed reduction steering gear set is in transmission connection with the valve body sealing cover and drives the valve body sealing cover to be opened and closed; a pilot pressure relief hole is formed in the valve body sealing cover; a pilot sealing cover matched with the pilot pressure relief hole is arranged on the valve body sealing cover; and when the control valve is opened, the swing reversing mechanism firstly opens the pilot sealing cover and then opens the valve body sealing cover. According to the swing type control valve, the valve body sealing cover can be quickly opened and closed, and a sealing surface of the valve body sealing cover and a valve body sealing opening are free of friction in the opening and closing process, so that the circumstance of damage of the sealing surface, leakage and venting are reduced, and the service life of the valve is prolonged; and pilot pressure relief is carried out through the pilot sealing cover, so that the torque required during opening is reduced, and the explosion-proof safety of a product is improved.

The invention relates to the technical field of steel bottle fittings, in particular to a novel firm steel bottle stable anti-explosion piece. The novel firm steel bottle stable anti-explosion piece comprises a spherical anti-explosion piece main body structure; a cylindrical pressing assembly fastening connection column, integrally molded, is arranged at the lower end of the anti-explosion piecemain body structure; and an anti-explosion spherical surface safety groove is formed in the lower end of the anti-explosion piece main body structure. The novel firm steel bottle stable anti-explosionpiece is characterized in that the anti-explosion spherical surface safety groove totally penetrates through the lower end surface of the pressing assembly fastening connection column; the inner sidesurface of the anti-explosion spherical surface safety groove is parallel to a spherical surface on the outer side of the anti-explosion piece main body structure; and a first arc safety anti-explosion groove is formed in the inner side, near the lower end, of the anti-explosion spherical surface safety groove. The novel firm steel bottle stable anti-explosion piece has the following advantages:the structural design of double safety anti-explosion grooves is adopted, so that the overall anti-explosion safety is improved, the connecting stability during pressing is better, and more reliable connecting firmness of the anti-explosion piece in the use process is guaranteed.

The invention discloses a hot-melting alloy constraining type isolating mechanism based on inertia, and belongs to the technical field of fuse safety mechanisms. The isolating mechanism comprises a body and a rotor, wherein a rotor hole is formed in the center of the body, and the rotor is coaxially embedded into the rotor hole in a sleeved mode and can rotate relative to the body; the rotor and the body are provided with corresponding holes used for containing a hot-melting alloy pin puller, an inertia safety part, a fire propagation part and a detonation propagation part; the isolating mechanism achieves a large isolating relieving rotation angle by optimizing the hole position relation, and through arrangement of a multi-stage safety mechanism, the isolating mechanism in a safe state and a due-out state can be locked at the corresponding positions. According to the hot-melting alloy constraining type isolating mechanism based on the inertia, on one hand, the part arranging mode of the isolating mechanism is optimized, the space size of the isolating mechanism is decreased, and the applicability of the isolating mechanism is improved; on the other hand, the safety of the isolating mechanism can be effectively improved through two-stage safety in the safe state, detonation sequence alignment can be effectively guaranteed through two-stage locking in the due-out state, and therefore the detonation efficiency is greatly improved.

The invention discloses an inertia-based memory alloy constrained isolation mechanism, and belongs to the technical field of fuse safety mechanisms. The isolation mechanism comprises a body provided with a rotor hole in the centre, and a rotor coaxially nested in the rotor hole and capable of rotating relative to the body, wherein corresponding holes for accommodating a memory alloy pin puller, an inertia safety component, a fire propagation component and an explosion propagation component are formed in the rotor and the body; and the isolation mechanism has a large isolation termination rotation angle through optimization for the position relationship of the holes, and the isolation mechanism in a safe state and an arming state can be locked at corresponding positions through the arrangement of a multi-stage safety mechanism. According to the isolation mechanism disclosed by the invention, through the abovementioned arrangement, on one hand, the component arrangement form of the isolation mechanism is optimized, the spatial dimensions of the isolation mechanism are reduced, and the applicability of the isolation mechanism is improved; and on the other hand, the safety of the isolation mechanism can be effectively improved through two-stage safety in the safe state, and the alignment of a detonation sequence can be effectively ensured through two-stage locking in the arming state, so that the detonation efficiency is greatly increased.