5results about How to "Solve the problem of airtightness" patented technology

The present application relates to the field of new energy and hydrogen energy technology, and more particularly to a micro-tube type ammonia-hydrogen conversion system, which forms a micro-tube array integrated ammonia decomposition device by arranging a plurality of micro-pipes inside a reaction cavity, utilizes partial hydrogen generated by ammonia decomposition to provide heat through catalytic oxidation inside the micro-pipe catalytic reactor, simultaneously in-situ heats the ammonia catalytic decomposition reaction outside the micro-pipe catalytic reactor, synchronously couples the catalytic oxidation heat release and the catalytic decomposition heat absorption together through system integration and structure design, fully utilizes the self heat of the reaction, and does not need external heating, thereby greatly improving the energy utilization efficiency, and has no harmful pollutant emission and no carbon emission; and the micro-tube type ammonia-hydrogen conversion system has the advantages of small volume and high safety, and provides a feasible scheme for the application of mobile occasions and high space utilization rate scenarios of zero-carbon hydrogen energy power.

The utility model provides a battery aluminum shell and a battery, the battery aluminum shell comprises an aluminum shell main body having an inner cavity and a mounting port, the inner cavity is used for accommodating battery internal components, the mounting port is located in the outer wall surface of the aluminum shell main body, and the mounting port is communicated with the inner cavity; and the explosion-proof valve covers the mounting opening, the explosion-proof valve and the aluminum shell main body are formed in an integrated stretching and stamping mode, and the explosion-proof valve is used for blasting when the pressure of the inner cavity reaches a preset threshold value. As the explosion-proof valve and the aluminum shell main body are formed in an integrated stretching and stamping manner, the explosion-proof valve and the aluminum shell main body are integrally formed, and a welding process is avoided, so that the production process is simplified, and the production steps and cost are reduced; secondly, the explosion-proof valve and the aluminum shell main body are integrally formed, so that the welding process is avoided, the negative influence of the welding temperature on the performance of the explosion-proof valve is eliminated, and the stability and the reliability of the explosion value of the explosion-proof valve are ensured; in addition, the explosion-proof valve and the aluminum shell main body are integrally formed, so that the air tightness problem possibly caused by welding is reduced.

The utility model relates to a vehicle-mounted CNG gas cylinder connecting gas pipe road leakproofness detection subassembly, it includes gas path subassembly, gas path subassembly includes gas pump and with the gas path channel of gas pump connection, the one -way pressure regulating valve, solenoid valve spare and pipe joint part that are electrically connected in proper order on the gas path channel, the barometer is provided with in the solenoid valve spare export, there is air filter part on the gas path channel, the pipe joint part is connected with the jar body joint through the extension pipe road, the utility model discloses reasonable in design, compact structure and convenient to use.

The invention relates to the technical field of electric propulsion tests, and provides an iodine gas collecting and removing device and method.The iodine gas collecting and removing device comprises a collecting pipeline, a front valve, a rear valve and a cooling structure; the collecting pipeline is of a tubular structure, the cooling structure is arranged in the collecting pipeline in the circumferential direction of the collecting pipeline or arranged in the collecting pipeline, and the front valve and the rear valve are arranged at the front end and the rear end of the collecting pipeline respectively. And the collecting pipeline is provided with a degassing port. The cavity is formed in the outer wall or the interior of the collection pipeline, the pipeline is cooled, the collection pipeline is heated through the additional heating mechanism, and the valve and the waste gas collection mechanism are supplemented, so that the collection and removal functions of the iodine gas in the collection pipeline are realized, the iodine adsorption and removal method of the iodine gas collection device is simplified, and the collection efficiency is improved. And emission of harmful gas is avoided, and wide applicability is achieved.

The utility model discloses a double-layer detection tube device for leak detection and a vacuum box, and belongs to the technical field of workpiece sealing detection. The technical key points are as follows: a box body two-way joint and a box body two-way flange are connected with each other and jointly form two gas passages, namely an inner pipe gas passage and an interlayer gas passage; one end of the interlayer gas passage is connected with the interlayer exhaust joint, and the other end of the interlayer gas passage is communicated with a gap part between the box body two-way joint and the inner hose; one end of the interlayer gas channel is connected with the inner pipe inflation and exhaust connector, and the other end of the interlayer gas channel is communicated with the first fastening lock nut. The utility model aims to provide the double-layer detection tube device for leak detection and the vacuum box, which have excellent sealing performance, the sealing mode is simple to operate, the one-time installation qualification rate is high, and excellent detection precision and use stability can be ensured.