32results about How to "Facilitate large-scale continuous production" patented technology

The invention is concerned with the film electrode preparation method for the proton exchanging film fuel battery, it is: the organic multi-hole film is the electrode supporter, the thickness of the multi-hole film is 1-20 mu meter, the hole rate is 50%-99%, adheres the activator to the multi-hole film directly, prepares the electrode catalyzing layer; combines the catalyzing layer and the electrolyzing film to be the film electrode groupware by heat pressure. The activator of the invention is high using rate, better active, higher intensity.

The invention relates to a method for modifying a lubricating oil additive by using thioacetic acid. The mixed fatty acid ester of epoxy polyisobutylene is functionally modified to obtain the extreme pressure anti-wear and anti-oxidative lubricating oil additive by using the thioacetic acid, wherein the pour point is lowered from -2 to -5 DEG C before modification to -10 to -20 DEG C after modification. A process is clean, the method is safe in implementation and convenient to operate, and large-scale production is facilitated.

The invention discloses a single-screw extrusion cavity with a high mixing effect. The extrusion cavity comprises an extrusion rod combined by different screw threads, a seal cavity shell body, a cooling cavity shell body, an extrusion port close plate and a material guiding baffle plate; the seal cavity shell body is internally provided with a cylindrical seal cavity, and the inner side of the seal cavity shell body is provided with four groups of pin structures; the screw-thread extrusion rod is provided with two extrusion screw threads formed by combining different shapes; the outlet end of the seal cavity shell body is provided with the extrusion port close plate; the diameter of an extrusion port of the extrusion port close plate is 1.1-1.3 cm. Through shrinking the pore diameter of an extrusion port of a cavity body of a conventional commonly-used single-screw extruder, the pressure between the extrusion cavity internal screw-thread extrusion rod and mixed materials is improved, and at the same time, with cooperation of the multiple groups of pin structures inside an extrusion cavity, uniform stress between different materials at positions in the extruder seal cavity is ensured, and the mixing effect of whole powder coating raw materials is improved; and a produced product is high in density and high in glossiness, the materials are convenient to discharge by the intermittent extrusion screw threads, and large-scale continuity production of enterprises is convenient.

The invention discloses a preparation method of a nitrogen-doped ferrous sulfide (N-FeS) flower-shaped microsphere material and its electrocatalytic oxygen reduction application. In the method, diethyl dithiocarbamate is used as a sulfur source to react with ferrous chloride in an aqueous solution to obtain the precipitation of a sulfur-containing iron-based precursor. The FeS obtained after the sulfidation reaction has a stable morphology, and the flakes are combined to form flower-like microspheres with uniform sizes. The material can be used as an electrocatalyst to catalyze the oxygen reduction reaction, and has high catalytic activity and stability. This synthesis method provides a great possibility for the synthesis of oxygen-reducing electrocatalytic materials with controllable composition and structure, high specific surface area and good durability. At the same time, the synthesis method is simple and easy, the cost is low, it is suitable for large-scale production, and it shows excellent activity and stability in the electrochemical oxygen reduction reaction, and has a good industrial application prospect.

The invention discloses a preparation method and application of a three-dimensional (3D) hierarchical porous nitrogen-doped carbon clad silicon composite material. The method comprises the following steps of mixing an organic metal framework with nano silicon and polyacrylonitrile by utilizing a high-pressure sputtering method, roasting and carbonizing at high temperature in a protective atmosphere, then removing a metal oxide in the organic metal framework by using hydrochloric acid, washing, and drying, so that the 3D hierarchical porous nitrogen-doped carbon clad silicon composite material(3D NPC@Si) is prepared. The method is used for providing great feasibility for the synthesis of a material for a negative electrode of a lithium-ion battery, which is controllable in component, controllable in structure, high in specific surface area and favorable in structural stability. The method is simple, easy and feasible and is low in cost; the prepared composite material has a higher specific surface area, favorable electron conductivity and better structural stability, and the composite material shows extremely good electromechanical performance in the material for the negative electrode of the lithium-ion battery and has a quite good industrial application prospect.

A mixed biomass briquette and its molding method, a mixed biomass briquette, using oil plant fruit press cake, or a mixture of oil plant fruit press cake and oil plant fruit oil cracking solid phase products and fibers Vegetarian biomass scraps are mixed and pressed into shape. The molding method includes the following steps: (1) pretreatment of raw materials; (2) mixing and molding; that is, mixed biomass molding fuel is obtained. The mixed biomass briquette fuel of the present invention has a high combustion rate, which can solve the problem of oil plant fruit processing waste waste disposal; the molding process has low energy consumption, low equipment loss, and is convenient for large-scale continuous production, and is convenient for transportation and storage; high strength, convenient Transportation and use; The molding method of the mixed biomass briquette fuel of the present invention is a deep utilization of industrial oil waste, and the production process of biomass fuel is optimized by using oil waste. It is easy to operate, low in pollution, small in investment, and easy to scale up Production, less loss of equipment.

The invention discloses a production process for a seafood extract. The production process comprises the following steps of: preparing meat slurry; screening enzymic preparations; preparing an enzymolysis reactor; performing enzymolysis on the meat slurry and filtering by using a filter membrane; performing Maillard reaction; embedding the seafood extract; and performing spray drying. The enzymicpreparations A and B are immobilized, so that the enzymic preparations can be repeatedly used and are not required to be inactivated at high temperature, and nutrient substances in a hydrolysate are prevented from being damaged; the seafood extract has high quality, and is easy to store and widely applied; the processing process is simple, the seafood extract is suitable for large-scale continuous production, and the production cost is reduced; and raw materials of the meat slurry can be leftovers of aquatic products, and the waste of aquatic resources is avoided.