7results about How to "Optimizing the Reaction Temperature" patented technology

The utility model discloses a kind of for waste desulfurizer's calcination environmental protection processing equipment, including boiling roasting furnace, boiling roasting furnace inside is provided with combustion cavity, combustion cavity is wide on top and narrow on bottom, multiple temperature measuring devices are fixedly installed in combustion cavity inner wall;Boiling roasting furnace is annular fixed and is communicated with multiple combustion-supporting pipes and multiple gas burners, gas burner and combustion-supporting pipe are all inclined to set, multiple gas burners and multiple combustion-supporting pipes are one-to-one correspondence, combustion-supporting pipe is close to the low side of combustion cavity center, and one end of gas burner in combustion cavity is close to combustion-supporting pipe.The utility model in the present application, the cooperation of gas burner, combustion-supporting pipe and component, can accurately heat the middle or top position in boiling roasting furnace, avoid that temperature gradient is too large, ensure that all waste desulfurizer is at optimum reaction temperature, reduce the incomplete reaction caused by insufficient temperature, improve reaction efficiency.

The application belongs to the technical field of rubber additive synthesis, and particularly relates to a method for continuously preparing 4,4'-dithiodimorpholine. The method uses sulfur monochloride, morpholine, 32wt% liquid alkali (sodium hydroxide solution) and 120# solvent oil as raw materials, and generates 4,4'-dithiodimorpholine in a dynamic tubular reactor. After the reaction is completed, the material flowing out of the dynamic tubular reactor is collected, and the product is obtained through static layering, washing, filtering and drying. The method uses the dynamic tubular reactor for reaction, and the mass transfer and heat transfer efficiency are extremely high. The material is instantaneously and uniformly mixed, so that the morpholine and the sulfur monochloride are rapidly contacted and reacted, the reaction heat can be instantaneously removed, the optimal reaction temperature can be accurately maintained, the continuous production can be realized, the production capacity is greatly improved, the reaction time of the traditional kettle reactor is shortened from 2-7h to 10min, the raw material conversion rate is as high as 99% or more, and the goals of cost reduction and efficiency improvement, green safety are finally achieved.

The invention relates to the technical field of flue gas treatment, in particular to a flue gas ultra-low emission system and method based on chemical looping combustion, and the flue gas ultra-low emission system comprises an in-furnace in-situ desulfurization unit, a cyclone separator, a nitrogen oxide removal unit, a dust removal unit, an out-furnace desulfurization unit and a recirculation unit which are connected in sequence in the flue gas flowing direction; wherein the nitrogen oxide removal unit is arranged in a flue between the cyclone separator and the dust removal unit; and part of recycled flue gas treated by the dust removal unit and / or the recycling unit is at least used for diluting or atomizing a denitration reducing agent in the nitrogen oxide removal unit, and / or returns to a chemical looping coal feeding system. According to the invention, through creative connection relations and medium circulation paths among the units, the beneficial effects of ensuring carbon capture advantages, efficiently purifying special pollutants, realizing internal circulation integration of the system, having good economy and the like are generated.

The utility model discloses a kind of green soil material production systems based on calcium sulfite and sodium sulfite, comprising: reaction kettle shell, a pair of side bearing seat and kettle inner seat;The utility model relates to the technical field of green soil production and processing, the production system is realized by material pushing and stirring structure of accurate calcium sulfite and sodium sulfite with quantitative mixing: two raw materials are proportionally conveyed to reaction kettle shell by independent metering module, ensure uniform mixing by multidimensional continuous turning over after, cooperate with electric auxiliary heating layer and maintain optimum reaction temperature, then catalyst spraying release structure starts, atomizing spray nozzle will catalytic component with droplet form evenly cover material surface, make catalytic reaction efficiently, from process can completely eliminate raw material cross-contamination.

The application provides a MOFs derived copper fiber composite film and a preparation method and application thereof, and comprises the following steps: (1) adding copper nitrate trihydrate and trimesic acid into a solvent 1 to obtain a MOFs precursor solution; (2) performing a solvothermal reaction on the MOFs precursor solution to obtain a HK solid; (3) dispersing the HK solid and polyacrylonitrile into a solvent 2 to obtain an electrospinning precursor solution; (4) performing electrospinning on the electrospinning precursor solution to obtain a fiber film HK-1 / PAN; (5) immersing the HK-1 / PAN into a solution containing copper nitrate trihydrate and trimesic acid to perform a solvothermal reaction, and obtaining HK-2 / PAN; and (6) pre-oxidizing and calcining the HK-2 / PAN to obtain a MOFs derived copper-based composite film. The application utilizes a secondary growth strategy to improve the loading amount and uniformity of MOFs particles on the fiber film, and to enhance the catalytic activity and conductivity thereof, and is used for visual detection and efficient degradation of PFOA.

The invention discloses an efficient cooling tower with a quick scale removal function, which comprises a tower body, a heat exchange assembly, a circulating water spraying system and a steam exhaust fan, and a scale removal device for performing segmented soaking and scale removal on the outer surface of a heat exchange pipe is arranged in the tower body; the descaling device comprises a medicine dipping box driven by a walking driving mechanism, first round holes allowing the heat exchange pipes to penetrate through are formed in the two sides of the medicine dipping box, movable sealing plates with second round holes are movably arranged on the two sides of the medicine dipping box, and a conical sealing element is arranged at the end, facing the medicine dipping box, of each second round hole. The movable sealing plate is driven through cooperation of the magnetic attraction assembly and the spring and can be rapidly switched between the sealing position and the opening position, and rapid sealing and releasing of the medicine soaking box are achieved. The device realizes thorough removal of stubborn dirt on the surface of the heat exchange tube through segmented sealed soaking, and has the characteristics of thorough dirt removal, no damage to the tube, high automation degree and recyclable liquid medicine.

The invention relates to the technical field of yellow phosphorus tail gas treatment, and particularly discloses a yellow phosphorus tail gas purification device which comprises a magnetization pretreatment unit and a deep catalytic oxidation unit which are sequentially arranged in the tail gas flowing direction and communicate with each other. The deep catalytic oxidation unit comprises an electric heating catalytic reactor, a plurality of layers of electric heating catalytic nets which are arranged at intervals are arranged in the electric heating catalytic reactor, the electric heating catalytic nets are perpendicular to the flow direction of the tail gas, and all the layers of electric heating catalytic nets are electrically connected through conductive structures. The yellow phosphorus tail gas treatment device is optimized and improved, absolute dependence of traditional spraying washing on liquid drop atomization quality can be effectively avoided, the problems that a nozzle is blocked and a flow field is uneven are solved, and deep removal of difficult-to-treat components such as PH3 is achieved.