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 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 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 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 discloses an electromechanical time fuze for an anti-aircraft gun hail-proof and rain-increasing bomb, which comprises an upper body 1, a wind cap 2, an electromechanical timing firing mechanism 3, a fuze body 4, a ball rotor safety and release safety mechanism 5, and a detonator tube 7. The hood 2 covers the front end of the upper body 1, and its bottom opening is fixed in the outer annular groove of the upper body 1. The electromechanical timing ignition mechanism 3 includes a magnetic recoil power supply and an electronic timing and firing module, located inside the cavity of the upper body 1 , the rear end is adjacent to the non-priming detonator 17, the ball rotor safety and release mechanism 5 is located in the inner cavity of the fuze body 4, the top is adjacent to the non-priming detonator 17, and the front end of the detonator 7 protrudes Part is adjacent to the ball rotor safety and disengagement mechanism 5, and the rear end is used as the fuze output end for detonating the projectile charge. The electromechanical time fuze of the anti-aircraft artillery hail-proof and rain-increasing bullet of the invention has accurate timing, good productivity and high reliability.

The invention discloses a skid-mounted pump set device comprising a housing and a skid-mount base. A door and a ventilation window are arranged on the housing. An exhaust fan is arranged in the housing. An electric control cabinet and an instrument cabinet are arranged in the housing. Pump set units are arranged in the housing. The skid-mount base is an I-shaped steel part. The pump set units are fixed on the I-shaped steel part through bolts. A lug is fixed on the skid-mount base. In the device provided by the invention, the skid-mount base and the housing are integrated through bolts, and the pump set units are fixed on the skid-mount base. When in use, the housing or the skid-mount base is suspended, such that the movement of the entire device can be realized. Compared with prior arts, only one time of mounting is needed. The device has the advantages of small land occupation, and can be subjected to centralized management. Explosion-proof safety is increased.

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 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 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.