11 results about "Prill" patented technology

The invention relates to the technical field of wastewater treatment and ash conveying equipment, in particular to ash conveying equipment based on a spray drying tower wastewater evaporation treatment technology. The machine body is provided with a mounting rod, the mounting rod is provided with a water outlet pipe, the water outlet pipe is provided with a plurality of branch pipes, the branch pipes are provided with mist nozzles, the machine body is provided with a reciprocating screw rod, the rotating cylinder is provided with rotating blades, and the reciprocating screw rod is sleeved with a sliding plate in a threaded mode. Flue gas can be pretreated before entering the bag-type dust remover, water is sprayed out from the mist spray head in a mist shape by utilizing the cooperation of the high passing speed of the flue gas when the flue gas is introduced into the gas inlet channel and the rotating blades, fine metal particle dust in the flue gas can sink by the sprayed water, and the effect of filtering the particle dust in the machine body is achieved; and the phenomenon that a filter bag is damaged when the flue gas is directly introduced into the bag-type dust collector due to a large amount of metal particle dust in the flue gas is avoided.

The present invention discloses a dust removal device, which includes a first dust removal mechanism, the first dust removal mechanism is provided with an air inlet and an air outlet, the first dust removal mechanism separates dust in the air by centrifugal force, the first dust removal mechanism is provided with a first collecting chamber; the first dust removal mechanism is provided with a first flushing assembly for cleaning the first collecting chamber; a second dust removal mechanism, the second dust removal mechanism is connected with the air outlet, a filter assembly is provided in the second dust removal mechanism, the filter assembly is used to filter air, the second dust removal mechanism is provided with a second flushing assembly, the second flushing assembly is used to flush the filter assembly; a separation mechanism, the separation mechanism includes a vertical separation cylinder, the first flushing assembly and the second flushing assembly are both connected with the separation cylinder, a third flushing assembly is provided at the bottom of the separation cylinder, and the third flushing assembly at least flushes the separation cylinder. A dust removal device provided by the present invention can improve the separation effect of metal particles and dust particles.

The present disclosure provides a prilling tower comprising a vertical body, a spraying device for forming droplets from a molten composition, one or more air inlets for drawing outside air into the prilling tower, one or more air outlets, wherein the prilling tower comprises one or more water sprayers for spraying water droplets into the outside air drawn in the prilling tower via the one or more air inlets, wherein the one or more water sprayers are configured to be activated when the relative humidity of outside air decreases below a critical value.

The utility model relates to the technical field of waste gas recovery, and discloses a safe and environment-friendly waste gas recovery device for spheroidizing agent production, which comprises a bottom plate, a water treatment box and a fixing block are fixedly mounted at the top of the bottom plate, a purification box is movably arranged at the top of the bottom plate, and a collection box is slidably mounted on the inner wall of the water treatment box. And a sponge plate is movably mounted on the inner wall of the collecting box. According to the safe and environment-friendly waste gas recovery device for spheroidizing agent production, impurities and water-soluble harmful gas in waste gas can be thoroughly treated through water circulation on the basis that the sponge plate adsorbs the impurities for the first time, the effect of thoroughly removing the impurities in the waste gas is achieved, and then subsequent use of the device can be facilitated; the device solves the problems that an existing device is poor in treatment effect on impurities such as metal particles and dust in waste gas, water-soluble gas in the waste gas cannot be treated, residual impurities and the waste gas possibly reach other structures of the device, and the device is damaged after long-term use.

The present disclosure provides a prilling tower comprising a vertical body, a spraying device for forming droplets from a molten composition, one or more air inlets for drawing outside air into the prilling tower, one or more air outlets, wherein the prilling tower comprises one or more water sprayers for spraying water droplets into the outside air drawn in the prilling tower via the one or more air inlets, wherein the one or more water sprayers are configured to be activated when the relative humidity of outside air decreases below a critical value.

The utility model relates to the technical field of slag treatment, in particular to a water reducing box for a slag wet separation process, which comprises a box body, the box body comprises a plurality of sub-box bodies which are sequentially connected, and the bottom wall of the box body is an inclined surface which is inclined downwards; a communicating hole is formed in the bottom of each sub-box body, and each sub-box body is communicated with the adjacent sub-box body through the corresponding communicating hole; the box body comprises a water inlet, an overflow port and a water outlet; the water inlet located in the top of the box body is used for conveying water flow into the box body, the water outlet located in the bottom of the box body is used for conveying treated water flow to the outside of the box body, and the water inlet and the water outlet are arranged in a staggered mode, so that the flowing path of the water flow is changed; the overflow opening is formed in the top of the box body, and when the liquid level exceeds the preset height, redundant water flow is discharged out of the box body through the overflow opening. The water reducing box can improve water flow control, reduce water flow impact and turbulence phenomena, and improve the precipitation efficiency and recovery rate of metal particles and sand grains.

A fertilizer comprises an intermediate-release source of phosphorus. The intermediate-source of phosphorus may be schertelite. In one embodiment, the intermediate-source of phosphorus may consist substantially all of the phosphorous content in the fertilizer. In other embodiments, the fertilizer further comprises one or both of a slow-release and fast-release source of phosphorus. The fertilizer may be in the form of a homogenous prill. A number of methods may be used to make such fertilizers.

The invention discloses molybdenum concentrate hydrometallurgy waste gas treatment equipment, and relates to the technical field of waste gas treatment. The filtering mechanism is used for filtering particles in the hydrometallurgy waste gas, and the connecting frame is fixedly connected to the outer side face of the filtering mechanism, due to the fact that MoO-containing dust, mineral powder which does not completely react or other metal oxide particles can be generated when molybdenum concentrate MoS is roasted, the MoO-containing dust, the mineral powder which does not completely react or other metal oxide particles can be generated when the molybdenum concentrate hydrometallurgy waste gas is treated. According to the molybdenum concentrate hydrometallurgy waste gas treatment device, solid particles and dust in waste gas need to be filtered, the waste gas can be preliminarily filtered when molybdenum concentrate hydrometallurgy waste gas is treated by arranging the filtering mechanism, large-particle metal oxide particles and mineral powder generated in the waste gas due to roasting are collected, and the waste gas is recycled. And the preliminarily filtered waste gas flows to the next treatment step, so that the effect of recycling metal particles and mineral powder in the molybdenum concentrate hydrometallurgy waste gas is achieved.

A process and a device for preparing ultra-clean high-purify ammonia water are provided. The ultra-pure high-purity ammonia water is obtained by heating and gasifying, pressurizing to remove impurities, washing with ultrapure water to remove impurities, purifying with a molecular sieve adsorption column, absorbing with ultrapure water and filtering with an ultrafiltration membrane. The obtained ultra-pure high-purity ammonia water has high product quality and simple process. The obtained ultra-pure high-purity ammonia water has lower contents of metals and particles, the process is safe and reliable, and has low energy consumption. The process has no waste discharge, and is environmentally friendly and practical.

Phase-stabilized ammonium nitrate (PSAN) explosives containing PSAN prills and a fuel are provided. The PSAN prills contain ammonium nitrate, a potassium salt, and an inorganic porosity enhancing agent.

The utility model relates to plate pickling treatment technical field discloses a kind of pickling spray production line for plate, including bottom plate, the top of the bottom plate is fixedly connected with pickling spray tank, the both sides of pickling spray tank are fixedly connected with conveying roller stand and discharge roller stand in the top of the bottom plate, so that the device can filter the metal particles in waste liquid by filter plate, then the filtered waste liquid is pumped into the inside of circulating recovery tank by pumping, and the acidity of waste liquid in the inside of circulating recovery tank is detected using PH sensor, when acidity is too low, it can add acidic solution with higher concentration to the inside of circulating recovery tank by liquid supplementing tank, so that the acidity of solution in the inside of circulating recovery tank can be kept in suitable pickling range, finally, pickling and spraying treatment of plate can be quickly carried out using high-pressure atomizing nozzle at the bottom of spray pipe, so that the acid liquor recovery rate of the device is greatly improved.