17results about How to "Reduce coagulation" patented technology

The invention discloses a preparation method and application of carbonized resin grafted with arginine, and belongs to the technical field of adsorption resin. The method comprises the following steps: (1) preparing a water phase; (2) preparing an oil phase; (3) synthesizing resin white balls; (4) carbonizing the resin; (5) coating with resin; and (6) grafting arginine. The arginine-grafted carbonized resin disclosed by the invention has good biocompatibility and the performance of adsorbing creatinine and uric acid.

The utility model discloses an ultrasonic crystallization kettle for folic acid production. The ultrasonic crystallization kettle comprises a crystallization kettle tank body, and a top cover, an ultrasonic power supply, an ultrasonic vibration rod and a power supply device which are arranged at the top of the crystallization kettle tank body, the ultrasonic crystallization kettle comprises at least two ultrasonic vibration rods, and the ultrasonic vibration rods are arranged in the scraper and are connected with an ultrasonic power supply through signal lines; the ultrasonic power supply and the power supply device are arranged in the top cover, the power supply device comprises a control switch and a metal ring piece, and the ultrasonic power supply further comprises a metal elastic piece; the elastic sheet is in contact with the metal ring sheet; the reaction kettle comprises a stirrer for mixing materials, and the stirrer is used for stirring the materials in the reaction kettle; a high-heat-conduction ceramic layer is arranged in the crystallizing tank body, an interlayer is arranged between the high-heat-conduction ceramic layer and the side wall of the crystallizing kettle tank body, and a heat-conduction liquid inlet and a heat-conduction liquid outlet are formed in a cavity of the interlayer. According to the crystallization kettle disclosed by the invention, the particle size distribution of crystallized chemical raw material particles is more uniform.

The utility model relates to the technical field of edible mushroom planting, and discloses an edible mushroom constant-temperature moisturizing planting box which comprises a planting box body and a humidifying assembly. By arranging the planting box, the base, the box body, the placing plate, the humidifying assembly and other structural components, edible mushrooms are planted through the planting box, the humidity in the box body is kept through the humidifying assembly, the planting box is heated through the heating lamp, and the surface of the heating lamp is cleaned through the cleaning assembly; a placing plate is kept stable in the box body through a fixing assembly, condensed water is filtered through a filter screen, and the filtered water is collected through a water collecting opening, so that the effects of conveniently adjusting the humidity in the planting box and reducing condensed water drops on the surface of a heating lamp are achieved; the problems that water mist in a planting box is condensed on the surface of a heating lamp, transmission of light rays of the heating lamp is affected, and water drops condensed on the surface of a placement plate cause local overwet of edible mushroom bags are solved.

The invention relates to an acellular matrix material with biological functional activity and a preparation method thereof. The preparation method comprises the following steps: 1) providing an acellular matrix material subjected to crosslinking treatment; 2) reacting the crosslinked acellular matrix material with a biocompatible polymer, wherein the biocompatible polymer has a reactive group and a first subject and / or guest molecule; the reactive group is covalently bonded to a functional group on the acellular matrix material; and 3) reacting the acellular matrix material obtained in the step 2) with a second subject and / or guest molecule modified by a biological functional active substance through subject-guest interaction. Through the mode, the anti-calcification performance and the biological activity of the acellular matrix material can be improved at the same time, and the acellular matrix material is flexibly endowed with various biological function activities.

The present invention discloses a large-space high-efficiency oil fume purification device, and relates to the technical field of oil fume treatment. The large-space high-efficiency oil fume purification device comprises a fixed shell, a smoke exhaust port is provided on the upper side of the fixed shell, an exhaust pipe is fixedly connected to the inner wall of the smoke exhaust port, an oil box is connected to the lower inner wall of the fixed shell through a self-locking device, a filter is fixedly connected to the inner wall of the fixed shell, a fixed pile is fixedly connected to the upper side of the inner wall of the fixed shell, and a motor is fixedly connected to the inner wall of the fixed pile. When the large-space high-efficiency oil fume purification device is in use, the oil fume is finally discharged from the inside of the wind wheel and attached to the outer wall of the exhaust plate, and the air is discharged from the upper side of the wind wheel, so as to achieve the purpose of filtering and purifying the oil fume. Since the oil and water thrown out by the wind wheel can flow into the inside of the oil box through the outer wall of the exhaust plate and the oil discharge bottom plate, it can work continuously with high intensity, so as to achieve the purpose of purifying large-space oil fume.

The utility model relates to fender mold technical field, concretely is a fender mold, including bottom plate, bottom plate top setting lower mould, upper mould, mounting bracket, hydraulic pressure rod and lift plate, lift plate bottom even fixed mounting has a plurality of fixed links, and fixed link bottom terminal is fixedly connected with upper mould top, still fixed mounting has material box on the lift plate, and material box bottom fixed mounting has the discharge pipe, still fixed mounting has the discharge gate on the discharge pipe, and the discharge gate is fixedly connected with the injection port on the upper mould. The device can stably and evenly convey the raw materials in the material box to the injection port of the upper mould through the auger conveying disc arranged in the discharge pipe, ensures the efficiency of feeding, improves the forming quality of the fender, at the same time, the stirring shaft, stirring rod and stirring blade arranged on the cover plate can fully stir the raw materials in the material box, reduces the occurrence of raw material solidification phenomenon, reduces the raw material waste.

This invention discloses a low-temperature dry dust removal device for phosphorus furnace gas, comprising: two sets of series-connected metal felt filter screens, filter screen electric heaters, a backflushing system, a dust collection funnel, a spiral dust collector, and a fan. The outlet pipe of the yellow phosphorus furnace gas is connected to the inlet of the series-connected metal felt filter screens. Each metal felt filter screen is equipped with an electric heater. The backflushing system achieves dust removal by adjusting the valve switch to reverse the gas flow. The filter cake outlet of the metal felt filter screen is connected to the inlet of the dust collection funnel. The outlet of the metal felt filter screen is connected to the inlet of the fan. The dust outlet at the bottom front side of the metal felt filter screen and the dust collection funnel are sealed and connected to the dust inlet of the closed spiral dust collector. The outlet of the fan is the exhaust port of the device. This device can solve the problem of yellow phosphorus furnace gas condensation clogging and corrosion of equipment, achieve low-temperature and high-efficiency dust removal of yellow phosphorus furnace gas, and improve filtration efficiency and phosphorus yield.

Provided is a powder discharge device for a secondary battery, comprising: a hopper having an accommodating space for accommodating a powder and a discharge port for discharging the powder; a mesh plate disposed inside the hopper; and a vibration transmission unit that transmits vibration to the mesh plate. According to the powder discharging device for the secondary battery, the agglomeration of the powder can be reduced, and the powder can be smoothly discharged.

The invention provides a 1, 2-butadiene rectification preparation device and process, and relates to the field of petrochemical industry. The device comprises a 1, 3-butadiene concentration unit and a 1, 2-butadiene product unit, the 1, 3-butadiene concentration unit comprises a 1, 3-butadiene concentration tower, a first tower kettle reboiler, a first tower top condenser and a first reflux tank; and the 1, 2-butadiene product unit comprises a 1, 2-butadiene product tower, a second tower kettle reboiler, a second tower top condenser and a second reflux tank. The process comprises the steps of light component removal rectification and heavy component removal rectification. According to the method, heavy components of a butadiene extraction unit of an ethylene device are used as raw materials, a continuous rectification mode of removing light components first and then removing heavy components is combined with a pasteurization treatment technology, a 1, 2-butadiene product with the purity being larger than or equal to 97.5 wt% can be obtained, 1, 3-butadiene is recycled, the overall utilization rate of resources is increased, and meanwhile energy conservation and emission reduction of enterprises are facilitated.

The utility model relates to a novel transfusion bag capable of filtering and flushing cells, which comprises a soft bag body in which a liquid containing cavity is arranged, and is characterized in that a cleaning tube is arranged on one side of the top of the soft bag body, and an input tube, a transfusion tube and an output tube are arranged at the bottom of the soft bag body; the cleaning pipe, the input pipe, the liquid conveying pipe and the output pipe are all communicated with the liquid containing cavity, and filtering devices are arranged on the cleaning pipe, the input pipe, the liquid conveying pipe and the output pipe. By arranging the filtering device and the cleaning pipe, normal saline is injected into the infusion bag, residual cells in the liquid containing cavity are cleaned and re-infused, a filtering membrane in the filtering device reduces the risk that impurities exist in the normal saline, the cells in the liquid containing cavity are prevented from being polluted, waste of the cells is reduced by cleaning the cells, and the effect of full utilization is achieved.

The invention relates to the technical field of paint mist flocculants, in particular to a paint mist flocculant for water-based paint and a preparation method thereof, functional groups such as amino and hydroxyl in modified chitosan can more effectively interact with paint mist particles in the water-based paint after being specifically treated, so that the agglomeration and sedimentation of the paint mist particles are promoted, and the water-based paint mist flocculant is prepared. The enhanced flocculation effect is beneficial to reduction of suspended matters and turbidity in the wastewater and improvement of wastewater treatment efficiency and quality; moreover, the modified chitosan is used as a part of a flocculating agent, so that the removal process of paint mist particles in the water-based paint wastewater can be accelerated, and the wastewater treatment time is shortened; secondly, aldehyde groups in the modified carboxymethyl cellulose and an introduced melamine structure can more effectively interact with paint mist particles in the water-based paint, and agglomeration and sedimentation of the paint mist particles are promoted in modes of chemical adsorption, physical entanglement and the like.

The invention provides a self-initiating high-power high-energy liquid fuel and a preparation method thereof. The self-initiating high-power high-energy liquid fuel comprises the following components in percentage by weight: 10-50wt% of aluminum alkyl; 40 to 75 wt% of a main fuel; 10 to 35 wt% of an oxygenated fuel; the main fuel is one or more of chain hydrocarbon compounds and cyclic hydrocarbon compounds; the oxygen-containing fuel is polyoxymethylene dialkyl ether. According to the high-energy liquid fuel provided by the invention, the aluminum alkyl is used for providing detonation temperature, the aluminum alkyl is dissolved in the main fuel and does not settle, aggregate or deteriorate after long-term storage, and the high-energy liquid fuel has good storage stability; and the aluminum alkyl has lower detonation energy and higher combustion energy, so that the detonation temperature of the high-energy liquid fuel can be effectively ensured. The polyoxymethylene dialkyl ether not only ensures the oxygen content of the fuel, but also can improve the burning and explosion rate of the high-energy liquid fuel, better exerts the energy of the high-energy liquid fuel, and further improves the burning and explosion performance of the high-energy liquid fuel.

The invention provides a multifunctional convenient-to-disassemble protective fence for road and bridge construction and a use method of the multifunctional convenient-to-disassemble protective fence, and belongs to the technical field of construction protective fences. The baffle is mounted at the top of the base through an inserting mechanism, and a plurality of nozzles are mounted at the top of the baffle; the turning plate is arranged on one side of the baffle and connected with the baffle through a connecting rod mechanism, laser emitted by the color laser device can form different color light-emitting patterns on the ground by swinging the color laser device up and down and left and right, and meanwhile a sound generator is arranged in the infrared camera to play warning words to the side end of the baffle. Pedestrians and non-motor vehicles are prevented from approaching the protective fence, approaching of the pedestrians and the non-motor vehicles to potential safety hazards is avoided, the pedestrians and the non-motor vehicles are guided to run outside dust-falling water mist, the dust-falling water mist is prevented from blocking sight lines of the pedestrians and the non-motor vehicles, and potential safety hazards of collision between the pedestrians and the non-motor vehicles are prevented. Therefore, the avoidance guidance of pedestrians and non-motor vehicles is realized.

The invention provides a high-energy liquid fuel suitable for a high-altitude environment and a preparation method of the high-energy liquid fuel. The high-energy liquid fuel comprises the following components: 15-55 wt% of chain ether; 5 to 75 wt% of an alkylene oxide; and 10-40 wt% of an organic aluminum compound. According to the invention, the organic aluminum compound can be well dissolved in chain ether and alkylene oxide, can effectively prolong the preservation time, can be stored for a long time under the condition of air isolation without sedimentation, aggregation or deterioration, and has good storage stability; and the organic aluminum compound has relatively low detonation energy and relatively high combustion energy, so that the detonation temperature of the high-energy liquid fuel is ensured. Therefore, the high-energy liquid fuel provided by the invention has the advantages that the stability and the combustion performance are well balanced, the burning and explosion rate of the high-energy liquid fuel can be improved in a plain area, and the energy of the high-energy liquid fuel can be better exerted; in a high-altitude area, the detonation effect in a high-altitude oxygen-deficient environment can be enhanced, and the detonation performance of high-energy liquid fuel is improved.

The utility model provides a rice bran oil lifting type oil storage tank which comprises an installation base body, a limiting groove is formed in the inner wall of the middle of the installation base body, an electric telescopic rod is arranged on the inner wall of the middle of the limiting groove, an oil storage tank is arranged on the inner wall of the top of the electric telescopic rod, and a stirring motor is arranged on the inner wall of the top of the middle of a sealing cover plate. A limiting rod is arranged on the inner wall of the top of the mounting plate, and limiting holes are formed in the inner walls of the two ends of the limiting plate. According to the rice bran oil lifting type oil storage tank, through the arranged limiting plate, when the height of the device is adjusted, the device can be limited and supported, the phenomenon that the device falls off due to position deviation in the lifting process is prevented, the stability of the device is improved, and in the daily use process of the device, the device is not prone to falling off. And in order to conveniently discharge the substance liquid, through the arranged stirring rod, substances in the device can be stirred, the solidification phenomenon of the substances is reduced, and the practicability of the device is improved.

The present invention belongs to the technical field of wax discharge structures, and discloses a wax discharge structure for preventing wax blockage, comprising a wax discharge pipe, wherein the wax discharge pipe has at most two elbows; a pneumatic ball valve installed at one end of the wax discharge pipe; a multi-way pipe nozzle assembly installed at the other end of the wax discharge pipe, wherein the multi-way pipe nozzle assembly is used for dispersing wax discharge; a water jacket assembly covering the outside of the wax discharge pipe, wherein the water jacket assembly is used for heat-insulating wax flowing through the wax discharge pipe, wherein the multi-way pipe nozzle assembly comprises a four-way connector and a two-way connector. The present invention changes a traditional wax discharge pipe with multiple elbows into a structure with at most two elbows, and by adding a multi-way pipe nozzle assembly, after the wax liquid enters from the four-way connector, the wax liquid can flow upward, downward and upward, and at the upper end, and the concentrated wax liquid can be dispersed, which can effectively reduce the obstruction in the wax liquid circulation process, thereby effectively improving the fluidity of the wax discharge.

The utility model discloses a low-noise hydraulic oil cylinder, which belongs to the technical field of hydraulic oil cylinders and comprises a cylinder body, a lug is mounted on the inner side of the cylinder body, a piston rod is arranged on the cylinder body and positioned on one side of the lug, and a piston component is mounted on the outer side of one end, close to the lug, of the piston rod and positioned on the inner side of the cylinder body. A first oil conveying pipe is installed below the cylinder body, a second oil conveying pipe is installed below the cylinder body and located on the outer side of the first oil conveying pipe, and a temperature adjusting device is installed at the position, close to the outer side, of the cylinder body. According to the oil cylinder, the temperature adjusting device is arranged, so that the interior of the cylinder body can be cooled through the refrigerating rods when needed, the possibility that the oil cylinder is damaged due to overheating is reduced, the interior of the cylinder body can be heated through the electric heating wires when the oil cylinder is in low-temperature weather, and the service life of the oil cylinder is prolonged. Therefore, the possibility of solidification of the hydraulic oil is reduced, and the working capacity of the oil cylinder is improved.