8results about How to "Improve environmental standards" patented technology

The present application relates to a kind of methods and devices for preparing anhydrous hydrogen fluoride and sulfuric acid.The method comprises the following steps: removing impurities from industrial waste fluorosulfuric acid, mixing it with concentrated sulfuric acid to form a pretreated mixture; using microwave heating to rapidly heat the reactor, a static bed is arranged in the reactor; the pretreated mixture is passed into the upper surface of the static bed in the preheated reactor, the pretreated mixture is heated by microwave, and hydrogen fluoride and sulfur trioxide gas are generated by the decomposition of the pretreated mixture; hydrogen fluoride and sulfur trioxide are mixed and passed into low-temperature concentrated sulfuric acid to absorb sulfur trioxide gas; then passed into low-temperature condensing equipment, and liquid hydrogen fluoride is collected; the liquid hydrogen fluoride is purified by rectification; and the concentrated sulfuric acid that absorbs sulfur trioxide is evaporated and concentrated.The advantages are: using a "static bed + material" double-wave absorption system, achieving more uniform and stable temperature field distribution in the liquid layer of industrial waste fluorosulfuric acid, making the pyrolysis of industrial waste fluorosulfuric acid more efficient and stable.

The utility model belongs to the technical field of environmental monitoring and water treatment, and particularly relates to an automatic chemical oxygen demand analyzer for industrial water treatment, which comprises a support base, two electric push rods, a mounting frame, a driving motor and the like, the two electric push rods are mounted at the top end of the support base side by side, the telescopic end of each electric push rod faces upwards, and the mounting frame is mounted on the support base. The mounting frame is mounted between the telescopic ends of the two electric push rods, the driving motors are distributed in two rows and two columns and mounted on the periphery of the mounting frame, and an output shaft of each driving motor faces downwards. Through cooperative work of an electric push rod, a mounting frame, a driving motor, a stirring rod, a sealing cover, a heating rod and a liquid adding assembly, automation and intelligence of a water quality analysis process are realized, the operation process is simplified, manual intervention is reduced, a more stable and reliable analysis result is provided, an enterprise is helped to better monitor and improve the sewage treatment process, and the sewage treatment efficiency is improved. And a higher environmental protection standard is achieved.

The present application relates to electroplating water treatment technical field, specifically to a kind of new energy battery busbar's electroplating water treatment device, including support, sleeve mechanism, filter assembly, rotating mechanism, sealing cover and drive machine;The support is installed on ground, the sleeve mechanism is installed on support, transition cavity is opened in the inside of sleeve mechanism for the water that will be collected after processing is completed, then is discharged from drain outlet;The filter assembly is installed in the inside of sleeve mechanism, electroplating wastewater is filtered by filter material placed in filter groove filter plate and carries out preliminary filtration;The rotating mechanism is installed in the middle of sleeve mechanism, and the stirring fan blade in rotating mechanism drives electroplating wastewater to rotate, after centrifugal layering treatment, the water in the middle is passed through overflow port and enters sleeve mechanism;The sealing cover is installed on the top of sleeve mechanism;The drive machine is installed at the top of rotating mechanism, and the drive machine drives rotating mechanism to rotate or move up and down.

The utility model relates to flue gas purification device technical field, concretely relates to a kind of air quenching flue gas purification system, the flue gas outlet of air quenching is connected the flue gas inlet of the flue gas cleaning chamber, the discharge port of the flue gas cleaning chamber is connected the feed inlet of the gas-liquid separator;The flue gas outlet of the gas-liquid separator is connected the input end of the fan, and the output end of the fan is connected the chimney;The liquid outlet of the gas-liquid separator is connected the liquid inlet of the liquid collecting tank, and the liquid outlet of the liquid collecting tank is connected the liquid inlet of the water reservoir, and the steam outlet of the liquid collecting tank is connected the gas-liquid separator;The liquid outlet of the water reservoir is connected the input end of the solution pump, and the output end of the solution pump is connected circulation liquid pipeline, and the first branch is connected the liquid collecting tank, and the second branch is connected the flue gas cleaning chamber, and the third branch is connected the air quenching slag chamber.The utility model improves the capture efficiency to dust and gas pollutant in flue gas.

The utility model discloses an organic fertilizer fermentation tail gas cyclone purification tower relates to organic fertilizer fermentation technical field. The organic fertilizer fermentation tail gas cyclone purification tower, including purification tower one and detection component, one side of purification tower one is provided with purification tower no.

The utility model belongs to the technical field of tail gas purification, and particularly relates to a purification device for chemical tail gas component analysis, which comprises a purification cabinet body, a cabinet door is hinged on the front surface of the purification cabinet body, a gas inlet is fixedly connected above the purification cabinet body, and a gas outlet is fixedly connected on the side surface of the purification cabinet body. A tail gas purification mechanism is arranged in the purification cabinet body and comprises a filtering unit and an adsorption unit; the filter unit comprises mounting seats, supporting pieces, a filter screen plate I and a filter screen plate II, and the mounting seats are fixedly connected to the two sides of the inner wall of the purification cabinet body in pairs respectively. According to the purification device for chemical tail gas component analysis, the two groups of adsorption units are connected in series, so that the tail gas is equivalently adsorbed twice, the contact time of the tail gas and the activated carbon is prolonged, the adsorption area is increased, gaseous pollutants with complex components are removed, and the purified tail gas is ensured to reach a higher environmental protection standard.

The utility model discloses energy-saving waste gas dust-removing environment-friendly equipment, and relates to the technical field of dust-removing environment-friendly equipment, the energy-saving waste gas dust-removing environment-friendly equipment comprises a dust-removing box body, the upper end of the dust-removing box body is provided with a dust-removing device, and one side of the dust-removing box body is connected with an adsorption device; the other side of the adsorption device is connected with the discharge device; according to the utility model, the activated carbon filter plates in the adsorption device are arranged in a rectangular array manner, so that the contact area and the contact time of waste gas and the activated carbon filter plates are increased, residual harmful gas and fine particles in the waste gas can be fully adsorbed, deep purification of the waste gas is realized, and the waste gas emission reaches a higher environmental protection standard; a plurality of top maintenance doors are arranged on the filter box, so that workers can conveniently check, replace and maintain the activated carbon filter plate, and the normal operation of the equipment is ensured.

The present application relates to the field of environmental protection technology, especially to the field of IPC B01J20, further to a process for regenerating waste coconut shell activated carbon using green high-temperature plasma method, comprising the following steps: S1, introducing waste coconut shell activated carbon into a vertical fluidized bed and introducing gas for heating, so that the waste coconut shell activated carbon reaches a fluidized state; S2, carrying out plasma heating treatment on the waste coconut shell activated carbon in the fluidized state; S3, discharging the gas generated by heating into a combustion chamber for combustion; S4, passing the waste coconut shell activated carbon treated by plasma heating into water for reactivation, cooling and drying to obtain regenerated coconut shell activated carbon. The present application can clean the polymers attached to the surface and cavities of the waste coconut shell activated carbon, and can also avoid the destruction of the structure.