12results about How to "Suitable for production" patented technology

This utility model discloses a pulverizing and grinding device for the production of ester raw materials, including a main support unit, a ball mill at the top of the main support unit, a secondary pulverizing device on one side of the main support unit, a material collection unit at the top feed end of the secondary pulverizing device, and the discharge end of the ball mill above the material collection unit, allowing the discharge from the ball mill to enter the material collection unit. Air nozzles and air outlets are provided on both side walls of the secondary pulverizing device, and sealed conveying units are provided at both the top feed end and the bottom discharge end of the secondary pulverizing device. This utility model addresses the problems of localized temperature rise in existing grinding equipment leading to thermal decomposition of ester raw materials and insufficient grinding precision. It employs multi-stage pulverization, coarsely pulverizing followed by ultrafine grinding, reducing the energy consumption of a single device. Furthermore, a low-temperature medium is introduced during the fine grinding process for cryogenic pulverization or low-temperature grinding, inhibiting the thermal degradation of esters, thus meeting the high standards required in the food, pharmaceutical, and other fields.

The present application provides a light cationic polymer fatliquor, the polymerized monomers of which comprise: unsaturated polyether, cationic monomer, single-end methacryloyloxypropyl polysiloxane and dodecyl acrylate. The light cationic polymer fatliquor prepared by the present application can be used in the chrome tanning process. In addition to the acid resistance, chrome salt resistance and good color fixing effect possessed by the cationic fatliquor, the light cationic polymer fatliquor also has excellent collagen fiber dispersing effect, can greatly reduce the use of subsequent oil fatliquor, effectively reduces the cost of leather making, and at the same time, gives the leather soft and light touch, and is very suitable for the production of light weight leather products.

The present application relates to the field of processing inferior residual oil, and discloses a method for processing inferior residual oil, which comprises the following steps: (1) performing a mild catalytic cracking reaction on inferior residual oil I to obtain a mild catalytic cracking reaction product; (2) separating the mild catalytic cracking reaction product to obtain catalytic cracking heavy oil; (3) performing a hydrodesulfurization reaction on the catalytic cracking heavy oil to obtain a hydrodesulfurization reaction product; and (4) separating the hydrodesulfurization reaction product to obtain hydrogenated heavy oil. The method for processing inferior residual oil provided by the present application combines catalytic cracking heavy oil hydroprocessing and catalytic cracking, can maximize the production of light oil and low-sulfur marine fuel oil from inferior residual oil, and thus reduces the production cost of the light oil and low-sulfur marine fuel oil prepared by the method.

The invention discloses a preparation method of an interpenetrating network solid electrolyte based on phosphoric acid modification PVA and PEO. The preparation method comprises the following steps: firstly, dissolving polyvinyl alcohol (PVA) in a first solvent, and adding alkali and an organic phosphonic acid modifier for grafting reaction to obtain phosphoric acid modified PVA; dissolving the phosphoric acid modified PVA and polyethylene oxide (PEO) in a second solvent, adding a lithium salt, and uniformly mixing; and finally, forming a membrane from the mixed slurry by a solution casting method, and drying to obtain the interpenetrating network polymer solid electrolyte membrane. The preparation method is simple to operate, low in cost, easy to control in preparation process and beneficial to safety production and equipment protection; according to the invention, a phosphate group is introduced through chemical grafting, and an interpenetrating network is constructed, so that the oxidation voltage of the system is improved, the original flammable PEO / PVA polymer system is successfully improved to flame retardance, and the safety performance of the system is remarkably improved, thereby realizing the application of the lithium ion battery with high ionic conductivity and high safety.

The invention discloses a dispersion liquid for serum-free suspension domestication of CRFK cells and a use method of the dispersion liquid. The dispersion liquid is composed of a liquid A and a liquid B, the liquid A is an enzyme active component (containing 0.1%-0.2% of trypsin), and the liquid B is a protective component (containing 1%-3% of a serum substitute and 0.01%-0.05% of Prusich F-68). The core of the invention is a dynamic proportion adjustment application method, wherein the ratio of the solution A to the solution B is 2.5: 1 in the initial stage of domestication (1-3 generations); the proportion in the middle stage of domestication (the fourth generation to the fifth generation) is reduced to 1.5: 1; at the later domestication stage (after the sixth generation), the proportion is reduced to 1: 1, and meanwhile, serum-free TransVA-03 is used as a culture medium for culture under the shaking table conditions of 36.5 DEG C, 7% CO2 and 110r / min. The method solves the problem of agglomeration in the serum-free suspension domestication process of the CRFK cells, the viability of the domesticated cells is greater than 95%, the agglomeration rate is less than 10%, and the method is suitable for serum-free suspension domestication of various adherent cells and has important industrial application value.

The utility model provides automatic welding equipment for a multi-interface fluid component branch pipe, and belongs to the field of welding equipment. The problems of low welding efficiency and low automation degree are solved. The multi-connector fluid component branch pipe automatic welding equipment comprises a control system, a workbench, a tool trolley, a conveying belt mechanism and a feeding mechanism, a sliding rail and a truss stretching across the sliding rail are arranged on the workbench, a clamping and conveying mechanism is installed on the truss, a pre-assembling mechanism is arranged between the feeding mechanism and the tool trolley, and a clamping and conveying mechanism is installed on the clamping and conveying mechanism. A welding mechanism is further installed on the truss and comprises a pressing assembly and a welding assembly, the pressing assembly ascends and descends through a driving air cylinder to press and position the pre-inserted branch pipe, and the welding assembly achieves multi-directional welding through a rotating device and an angle adjusting device. The welding device has the advantage of high welding efficiency.

The utility model relates to energy utilization technical field, concretely relates to a heat utilization system of liquid nitrogen production. The heat utilization system includes: air compression mechanism, is provided with air input end and air output end, and exports compressed air through air output end, liquid nitrogen production mechanism is provided with first end and second end, the first end of liquid nitrogen production mechanism is connected with air output end, the second end of liquid nitrogen production mechanism exports liquid nitrogen outward, heat exchange mechanism is provided with heat absorption side and heat exchange side, heat absorption side with air compression mechanism, liquid nitrogen production mechanism contact heat exchange, heat utilization mechanism with heat exchange side contact heat exchange. This embodiment sets up heat exchange mechanism, can collect the heat of air compression mechanism and liquid nitrogen production mechanism simultaneously, then the heat is transferred to heat utilization mechanism, thereby can utilize the heat released in the process of making nitrogen, avoids the waste of heat.

The utility model discloses a wall washing lamp with an integral waterproof structure, which comprises a profile lamp body, a light source groove arranged on the upper portion of the profile lamp body, a light source assembly arranged in the light source groove, a surface cover arranged on the upper portion of the profile lamp body, a power supply groove arranged on the lower portion of the profile lamp body, and a waterproof cover arranged on the lower portion of the profile lamp body. A power supply assembly is mounted in the power supply groove; the profile lamp body is installed in the fixing groove body, the end face of the fixing groove body is flush with the end face of the profile lamp body, and end covers are attached to the two ends of the profile lamp body, the two ends of the fixing groove body and the two ends of the face cover respectively. The light source groove and the power source groove are designed in the upper portion and the lower portion of the profile lamp body respectively, the fixing groove body and the face cover which are flush with the end faces of the profile lamp body are adopted, and therefore sealing can be completed by fixing one end cover at the two ends of the profile lamp body respectively, the assembling procedure of the wall washing lamp is simplified, and sealing waterproof control is facilitated.

The present application belongs to the technical field of metal processing, and particularly relates to a seamless steel pipe and a production method thereof. The present application provides a production method of a seamless steel pipe, which takes a round billet as a raw material and sequentially comprises a heating process, a piercing process, a pipe rolling process and a reducing process. The heating process comprises: heating the billet by using an annular heating furnace, and the billet sequentially passes through a low-temperature heating section, a strengthening heating section and a soaking section of the annular heating furnace; wherein the temperature of the low-temperature heating section is 600-1000 DEG C, the heating rate of the billet in the low-temperature heating section is 80-100 DEG C / h, the heating time of the low-temperature heating section is greater than or equal to 300 minutes, and the diameter of the billet is greater than or equal to 460 mm. The diameter of the round billet type steel billet is greater than or equal to 460 mm, and the billet is first preheated in a low-temperature zone and is heated for a sufficient time, thereby avoiding the problem that the harmful stress exists in the billet due to the large temperature difference between the inner layer and the outer layer caused by the excessively fast heating speed and the short time in the low-temperature section.

The utility model discloses an adjustable food racking machine, which relates to the technical field of food racking, and comprises a bottom frame, a top cover and a protective plate, the bottom of the protective plate is fixedly connected with a funnel-shaped feed opening, a mounting disc is arranged below the feed opening, a rotatable rotating disc is arranged in the middle of the interior of the mounting disc, and the top cover is fixedly connected with the top cover. A quantitative groove is fixedly formed in the inner wall of the rotating disc, the quantitative groove is matched with the discharging opening, a material blocking ring is fixedly mounted in the mounting disc, and a discharging opening is formed in the material blocking ring; according to the quantitative feeding device, the multiple quantitative grooves are arranged for quantitative rotation, so that the multiple quantitative grooves can sequentially receive food and sequentially put the food into the discharging opening, and compared with a traditional reciprocating volume cup for achieving quantitative feeding, the device is designed after being matched and optimized, the subpackaging speed can be greatly increased, meanwhile, feeding is kept stable, and the efficiency is improved. The method is suitable for large-scale food production.

This invention discloses a duck-derived recombinant infectious bronchitis virus and its applications, belonging to the field of viral isolation and application. The virus was deposited at the China Center for Type Culture Collection on December 26, 2024, with accession number CCTCC NO: V202503. The duck-derived recombinant infectious bronchitis virus of this invention is capable of infecting CEF and DEF cells, is convenient for in vitro culture, and is suitable for the production of high-quality inactivated vaccines with high antigen titers. The duck-derived recombinant infectious bronchitis virus DIBVSD2401 of this invention has excellent immunogenicity, and the inactivated vaccine prepared using the duck-derived recombinant infectious bronchitis virus DIBVSD2401 of this invention has good safety and excellent protective effect.

This invention discloses an installation device for constructing multi-curved curtain walls using a unitized frame, comprising arc-shaped support beams adapted to the curvature of the multi-curved curtain wall. Multiple arc-shaped support beams intersect to form a unitized frame, and each arc-shaped support beam has multiple columns of varying heights at its base according to its curvature. This invention also discloses an installation method for constructing multi-curved curtain walls using a unitized frame. This invention solves the installation problem of spatial curved curtain walls, offering not only simple and efficient installation but also high safety, and can be widely applied in the field of multi-dimensional spatial curved curtain wall construction technology.