7 results about "Nuclear explosion" patented technology

The application discloses a preparation method of a near-range nuclear explosion-resistant large antenna cover, and comprises the following steps: cutting prepreg into a preset shape to ensure that the fiber extension directions of all the cut prepregs are consistent; laying up materials on an antenna cover mold, wherein the materials are determined according to an antenna cover structure to be prepared, and the antenna cover structure comprises a sacrificial isolation structure, a stepped resistance structure or an interpenetrating integral defense structure; and curing and forming to obtain the near-range nuclear explosion-resistant large antenna cover. The application enhances the nuclear explosion resistance of the antenna cover and guarantees the environmental adaptability requirement of equipment.

The invention provides a partition collaborative sealing system for a civil air defense engineering pipeline through-wall hole and a working method of the partition collaborative sealing system, and solves the problem of how to realize full-automatic and passive pipeline through-wall hole sealing which can reliably cope with multiple threats such as nuclear explosion, conventional weapon attack and biochemical weapon penetration at the same time. And finally, through the design of double independent sealing barriers, high reliability and wartime survivability of the system are realized. The sleeve is fixed with a reinforced concrete wall body; the outer side sealing block is arranged in an outer side port of the sleeve; the pressing ring is arranged in the sleeve in a sliding mode and connected with the outer side sealing block. The hot melting block is arranged in the sleeve and is adjacent to the pressing ring; the pre-pressing spring is connected with the sleeve and the hot melting block; the thermal triggering shear pin is fixed on the pressing ring and is connected with the hot melting block; the flange is fixedly connected with the reinforced concrete wall body; the inner side end cover is in threaded connection with the flange and the inner side sealing block; and the inner side sealing block is arranged in an inner side port of the sleeve.

A structure for generating power through high-pressure gas generated by hydrogen explosion in non-nuclear explosion is formed by connecting a water pool with a safe explosion chamber and connecting a heat preservation high-pressure tank with a high-temperature high-pressure pipe, and is characterized in that the safe explosion chamber is connected with the heat preservation high-pressure tank, and a multifunctional valve is arranged between the safe explosion chamber and the heat preservation high-pressure tank. According to the method, the high-pressure energy of the nuclear power station is taken for conversion power generation, the subsequent processes and links are separated from one another and show other conditions, and the storage cost to be converted is increased due to the fact that nuclear elements cannot be leaked, so that the nuclear elements cannot be leaked. According to the method, the hydrogen element can be recycled conveniently and reused, waste is turned into wealth, and the cost is greatly reduced.

The utility model relates to the technical field of nuclear tests, and discloses a nuclear explosion test field radiation residue solid decontamination device which comprises a main shell, a waste liquid collecting tank is arranged outside the main shell, and a fixing frame, a first suction pump and a stirring motor are fixedly installed on the top of the main shell. And a stirring barrel is fixedly installed at the top of the fixing frame, a second controller is fixedly installed on the outer wall of the main shell, and a warning lamp is fixedly installed on the outer wall of the second controller. A first motor is started, then the first motor drives a first threaded rod to rotate, the first threaded rod drives a transverse plate to move, then the transverse plate drives a sealing plate to move, the sealing plate enters a main shell, at the moment, a second motor is started, and then the second motor drives a second threaded rod to rotate; the threaded rod II drives a rack to slide on the inner wall of the main shell, so that the rack drives a rotating shaft to rotate, the rotating shaft drives a gear to rotate, the gear drives the rotating shaft to rotate, and the rotating shaft drives a filter plate to rotate.

This application relates to a nuclear explosion-proof coaxial communication cable and its manufacturing method, belonging to the field of coaxial communication cables. It includes an inner core, comprising an inner conductor and a high-density insulation layer. The high-density insulation layer wraps around the outer surface of the inner conductor. A steel tape wrapping layer is fitted onto the outer surface of the high-density insulation layer. A sheath layer is fitted onto the outer surface of the steel tape wrapping layer. A steel wire wrapping armor layer is fitted onto the outer surface of the sheath layer. An outer sheath is fitted onto the outer surface of the steel wire wrapping armor layer. This application, through the synergistic effect of multiple protective structures, particularly the reinforced design of the steel tape wrapping layer and the double-layer steel wire armor layer, enables the cable to withstand enormous impact loads without damage. The magnetic permeability of the steel tape wrapping layer, combined with the metallic shielding layer and the tight structural design between the layers, forms a multiple electromagnetic shielding barrier.

The utility model relates to the technical field of radiation residual particle collection, and discloses a nuclear explosion test field radiation residual particle collection device which comprises an operation frame, a radiation object is installed on the outer side of the operation frame, a protective cover is fixedly assembled on the outer wall of the operation frame, and a cleaning roller is rotationally connected to the inner wall of the operation frame. A protection cover is fixedly assembled on the outer wall of the operation frame. According to the nuclear explosion test field radiation residual particle collecting device, a protective cover and a lifting plate are arranged on the outer wall of an operation frame, and radiation residual particles can be scraped off in the rotating process of a cleaning roller, so that the radiation residual particles attached to a radiation object can enter the lifting plate under the action of the cleaning roller; according to the radiation residual particle collecting device, the radiation residual particles can be collected through the falling opening and enter the collecting bin along the falling opening, in the whole process, a user only needs to hold the operation frame with the hand, the radiation residual particles do not need to be manually shoveled, and therefore the use safety of the device is improved.

The application provides a steel structure test section for a nuclear explosion shock wave simulation test system, which comprises, from left to right, a charging test section, a first test section, a first reducing section, a second test section, a second reducing section and a third test section; the first test section, the second test section and the third test section are all straight wall circular arch tubular structures; the right end of the charging test section is connected with the first test section through the first reducing section; the right end of the first test section is connected with the second test section through the second reducing section; and the right end of the second test section is connected with the third reducing section. The application can be combined into different structure states according to test requirements, meets more test requirements, improves energy utilization rate, and the test environment state is consistent with the actual situation of an underground tunnel; the combination of the test section can avoid repeated construction of the whole system, and reduce the test construction cost; the test section can build a test section explosion shock wave stitching technology, and energy density is improved.