32results about How to "Avoid flash explosion" patented technology

The invention relates to a strengthened cooling crystal scraping device for a naphthalene tank breather valve. The strengthened cooling crystal scraping device comprises screen plates, scrapers, a cylinder, a main shaft, a gear ring, a gear and a speed reduction motor. A needle bearing is arranged at the bottom of the cylinder. The main shaft is arranged in the needle bearing. The screen plates and the scrapers are arranged on the main shaft in a staggered and sleeving manner to form a multi-layer structure. An embedding structure is arranged between each scraper and the main shaft. A clamping structure is arranged between the edge of each screen plate and the inner wall of the cylinder. The speed reduction motor is arranged on the outer wall of the cylinder, the gear is arranged on a speed reduction motor shaft and engaged with the gear ring, and the gear ring and the scraper on the topmost layer are connected into a whole and installed on the main shaft. The strengthened cooling crystal scraping device is simple in structure and easy to achieve, the strengthened cooling crystal scraping device only needs to be installed between the breather valve and the top of a naphthalene storage tank, naphthalene tank breather valve crystallizing blockage, harmful gas emission and flash explosion can be effectively prevented, and it is guaranteed that the breather valve on the top of the naphthalene tank can normally work around the clock.

The invention relates to a jacketed multi-loop naphthalene forced crystallization and recycling apparatus, comprising a barrel, a multi-layer screen tube, a grid plate, a needle bearing, an O-shaped belt, a pulley, and a reduction motor; the needle bearing is mounted at the bottom of the barrel, a shaft lever of the grid plate is mounted in the needle bearing, the grid plate and the multi-layer screen tube are nested in a staggered manner to form a multi-loop structure; a fastening structure is provided between the bottom of the multi-layer screen tube and a bottom stand of the barrel to fix the barrel and the multi-layer screen tube; the reduction motor drives the grid plate to rotate through the o-shaped belt; the grid plate is fitted with a brush, the brush comes in frictional contact with the surface of the multi-layer screen tube when the grid plate rotates to scrape off crystal that falls into a tank. The jacketed multi-loop naphthalene forced crystallization and recycling apparatus as an auxiliary device to a naphthalene tank breather valve and is mounted between a naphthalene tank and the breather valve through a reducing flange to carry out naphthalene forced cooling and crystallization and scrape off the crystal into the tank; the jacketed multi-loop naphthalene forced crystallization and recycling apparatus is simple in structure and is easy to implement, and the problem of the prior art that naphthalene crystal blocks the top breather valve of a naphthalene storage tank is solved.

The invention relates to an electrolytic cell interlock parking system and method, comprising a control unit, a first height sensor, a second height sensor, an anolyte high level tank, a catholyte high level tank, an electrolytic cell and a piping system, wherein the anolyte high level tank The tank and the catholyte high-level tank are respectively connected to the electrolytic cell through the pipeline system; the control unit is respectively connected to the first height sensor and the second height sensor, and is used to determine the current liquid level height of the anolyte high-level tank and the catholyte high-level tank according to the current liquid level of the catholyte high-level tank. Level height and low liquid level alarm value, determine whether to send an alarm signal or an interlock shutdown signal, and cut off the power supply of the electrolyzer according to the interlock shutdown signal. The invention ensures the safety of the electrolyzer when the interlock is triggered to stop.

The invention discloses a precise control method for an industrial combustion furnace and belongs to the technical field of combustion of industrial combustion furnaces. The precise control method comprises the following steps: firstly, preparing a tubular combustion chamber of which the front end is opened and a plurality of nozzles used for blowing a fuel into the combustion chamber, wherein the spraying direction of each nozzle is consistent with the tangential direction of the internal circumference of the combustion chamber; then arranging a three-dimensional temperature field monitoring point, an oxygen concentration monitoring point and a fuel gas concentration monitoring point in the directions, right opposite to each nozzle, in the combustion chamber; and finally, controlling flow controllers on combustion-supporting gas sleeves, fuel gas sleeves and combustion-supporting gas manifolds through data conveyed by the three-dimensional temperature field monitoring points, the oxygen concentration points and the fuel gas concentration monitoring points. As the combustion-supporting gas manifolds are additionally arranged in the fuel gas sleeves, the contact area of a combustion-supporting gas and a fuel gas is increased to a great extent, and the mixing degree and the combustion speed are improved; and as the flow controllers are mounted on the combustion-supporting gas manifolds, the gas flow can be controlled according to the data provided by the monitoring points.

The invention discloses a chlorosilane-containing silane tail gas treatment method, comprising the steps of (1) subjecting chlorosilane to primary condensation; (2) subjecting chlorosilane to secondary condensation; (3) performing separating to obtain chlorosilane; (4) stabilizing pressure with a gas pressure stabilizer tank; (5) combusting silane gas. The chlorosilane-containing silane tail gas treatment method has the advantages that chlorosilane in silane tail gas is recycled, the recycled chlorosilane is reusable for silane production systems, material loss is reduced, and production costis reduced; a combustion system herein has multiple combustion heads, the combustion system has positive pressure, the combustion heads are exposed in air, an anti-irradiation heat-insulating hood isarranged above, and air around a combustor is gathered around the combustor via the chimney effect; compared with traditional combustors, the combustion system allows silane tail gas and air to be mixed more sufficiently, so that combustion efficiency is significantly improved and silane tail gas treatment quantity is increased.