73results about How to "With high temperature and high pressure resistance" patented technology

The present invention discloses a preparation method and application of Bacillus coagulans and a spore preparation cultured in high density, and belongs to the microbe technical field. A Bacillus coagulans strain is classified and named Bacillus coagulans JSSW-LA-07 and is preserved as CGMCC No.2602 in China General Microbiological Culture Collection Center. The Bacillus coagulans strain JSSW-LA-07 can produce spore under an aerobic condition and produce a small amount of L-lactic acid in the metabolism during a course of fermentation. The Bacillus coagulans strain can produce L-lactic acid with a higher purity under an anaerobic condition. The strain does not produce substances which can be harmful to human and cultured animals, has the characteristics of innocuity, on residue, no side effect and the like, has a great significance for production of green and safe livestock, fowls and marine products and improvement of cultivation ecological environment, and can be widely applied in the cultivation production of high yield, high quality, high efficiency, synusiologic and safe livestock, fowls and marine products, and the regulation and control of the ecological environment of cultivation.

The invention discloses an internal-combustion engine variable geometry turbocharger nozzle ring component, comprising forks(1), a mounting plate(2) and a blade(3), wherein the side surface of the mounting plate(2) is provided with a plurality of groups of blades(3) which are evenly spaced and arranged on the same circumference and are in the same direction, each group of blades which consists of at least three blades(3) and can be mutually opened and folded simultaneously; the other side of the mounting plate is provided with forks(1) which are connected with corresponding blades; because the blades are the three dimensional curved surface, air inlet passages for blades are continuously changed, the air input of the turbocharger is also continuously changed according to the working condition of the engine, thereby the engine can get proper amount of pressurized air under all conditions, which makes that the engine always runs under a reasonable condition, thereby realizing that the turbocharger increases the output power of the engine by 30 to 100 percent, reducing the emission of harmful gas by more than 10 percent, realizing that the fume emission reaches the emission standard of the European IV, lowering oil consumption by 5 to 10 percent and improving the economical efficiency of the automobile.

Provided is a plant tissue culture bacteriostatic (antiseptic) agent containing botanical fungicide. The bacteriostatic (antiseptic) agent comprises isothiazolinone, nisin and aqueous extracts of the Chinese herbal medicines of terminalia, groundsel and aromatic madder. When the bacteriostatic (antiseptic) agent is applied in plant tissue culture, 0.35 to 0.5% of the bacteriostatic (antiseptic) agent is added into a medium, which enables fungal and bacterial contamination to a culture to be effectively reduced or prevented and poses little adverse influence on plant growth, thereby enhancing the success rate of plant tissue culture; the bacteriostatic (antiseptic) agent can also be applied in open type plant culture, e.g., in the rooting phase of sound seedlings during a late plant culture stage, the bacteriostatic (antiseptic) agent is directly added into a medium, and the medium can be inoculated in indoor environment with bacteria or a few bacteria without undergoing the step of autoclaving or operating on a superclean bench, thereby simplifying seedling culture in plant tissue culture, enhancing working efficiency, saving a great amount of energy and reducing production cost for plant tissue culture seedlings; therefore, the bacteriostatic (antiseptic) agent has a critical actual application value.

The invention discloses a sulfur deposition device based on a magnetic suspension balance. The sulfur deposition device comprises a displacement system, a stratum condition simulation system, a magnetic suspension balance measuring system and a data collecting and processing system. The sulfur deposition device based on the magnetic suspension balance has the beneficial effects that a high-temperature, high-pressure and high-sulfur-content stratum environment can be truly simulated, the measuring accuracy of the sulfur deposit amount is greatly improved, the viscosity, bulk coefficients and deviation factors of gas are calculated in real time, and the dynamic change of the rock core permeability due to sulfur deposition is measured online in real time. The sulfur deposition device based on the magnetic suspension balance has the advantages of good security, high measuring accuracy, high temperature resistance, high pressure resistance, strong corrosion resistance and the like and further has the important significance to the evaluation of the dynamic influence of the sulfur deposition of a high sulfur gas reservoir to the exploitation.

The invention discloses a plate-shell type middle fluid type gasifier which is small in size, light in weight and capable of effectively reducing equipment cost, improving the reliability of the equipment and prolonging the service life of the equipment. The gasifier consists of a full-liquid type evaporator, a plate-shell type heat exchanger A and a plate-shell type heat exchanger B, wherein a plate travel runner inlet of the plate-shell type heat exchanger is used for inputting a medium to be gasified; the plate travel runner inlet is connected with a shell travel runner inlet of the plate-shell type heat exchanger B; the gasified medium is output from the shell travel outlet of the plate-shell type heat exchanger B; the plate travel runner inlet of the plate-shell type heat exchanger B is communicated with seawater; the plate travel runner outlet of the plate-shell type heat exchanger B is connected with the plate travel runner inlet of the full-liquid type evaporator; the plate travel runner outlet of the full-liquid type evaporator is communicated with the seawater; the shell travel runner inlet is connected with the shell travel runner outlet of the plate-shell type heat exchanger A; the shell travel runner outlet is connected with the shell travel runner inlet of the plate-shell type heat exchanger A.

The present invention provides a senor device based on a fiber miniature Fabry-Perot cavity. The device comprises a broadband light source, a circulator, a sensing head and a spectrum analyzer, the sensing head is composed of corrosion multi-mode fiber, microballoon and coating glue, and the coating glue is ultraviolet glue or high-temperature glue. The a multi-mode fiber end face is subjected to corrosion to obtain a taper chamber, a microballoon is inserted into the taper chamber of the corrosion multi-mode fiber, the taper chamber is sealed by using the coating glue which has one part penetrating into the taper chamber, and the microballoon and the coating glue end face form a Fabry-Perot cavity. The circulator receives light from the broadband light source and transmits the light to the sensing head, the sensing head reflects the light to the circulator, and the light is transmitted to the spectrum analyzer through the circulator to form a similar Fabry-Perot interferometer for measuring the wavelength drift of the reflection spectral signature and calculate the values of the measured enviromental parameters. The structure is compact, the manufacturing is simple and the cost is low.

The invention provides an all-fiber weak magnetic field measuring device. According to the measuring device, an all-fiber FBG F-P cavity is formed in a magnetic sensitive module. When a surrounding magnetic field changes, cavity length of the all-fiber FBG F-P cavity is enabled to change by the scaling effect of magnetostrictive components and the spectral characteristics of interference signals reflected by the all-fiber FBG F-P cavity are enabled to change, and magnetic field intensity can be accurately calculated via spectral characteristic data analysis of the interference signals. With application of the mode, magnetic field intensity of a weak magnetic field can be accurately measured.

The invention relates to a high temperature and high pressure-resistant type graphene-modified phenolic heavy-duty anti-corrosive coating for an oil pipe. The high temperature and high pressure-resistant type graphene-modified phenolic heavy-duty anti-corrosive coating consists of a primer and a topcoat, wherein the primer consists of a component A and a component B; the topcoat consists of a component A and a component B; the component A of the topcoat is prepared from the following components in percentage by mass: 20 to 60% of epoxy resin, 10 to 20% of organic solvent, 0 to 1.5% of graphene, 2 to 10% of pigment, 10 to 30% of filler, and 0 to 2% of adjuvant, and the sum of mass percentages of the components of the component A of the topcoat is 100%; the component B of the topcoat is an epoxy curing agent; the mass of the component B of the topcoat accounts for 8 to12% of the total mass of the component A of the topcoat. The high temperature and high pressure-resistant type graphene-modified phenolic heavy-duty anti-corrosive coating has the excellent properties of strong adhesion force, strong abrasion-resistant property, chemical medium-resistant property, high temperature and high pressure-resistant property, and the like.

The invention provides a method for preparing a fluid loss agent. The method comprises the following steps of: a) mixing phenol, sulphuric acid, trimethylamine and a first solvent, and reacting to generate cation phenol; b) mixing an alkaline aqueous solution, lignite and a second solvent, and reacting to obtain sodium humate slurry; and c) mixing the sodium humate slurry with cation phenol, sodium sulfite and a third solvent, and carrying out polymerization to obtain the fluid loss agent. The fluid loss agent provided by the invention is obtained by firstly carrying out cationization on phenol, mixing with the sodium humate slurry and carrying out polymerization, both a humic acid group and a sulfonated phenol group are contained in the molecule of the fluid loss agent, a molecular chainis longer, and a sulfonic acid group has strong inhibition and tolerance effects to various metal ions in soil, thus mud viscosity can not be improved, a mud cake formed by a drilling fluid and soil is compact and is difficult to collapse. Besides, a benzene ring exists, thus the fluid loss agent prepared by the preparation method provided by the invention also has the characteristics of high-temperature resistance and high-pressure resistance.

The invention discloses an anticorrosive coating, a preparation method and applications of the anticorrosive coating, wherein the anticorrosive coating comprises an A component and a B component, wherein the mass ratio of the A component to the B component is 100:20-35, and the A component comprises the following components by weight: 35-50 parts of novolac epoxy resin F51; 12-14 parts of xylene; 10-12 parts of 1,4-butanediol diglycidyl ether; 6-8 parts of quartz powder; 7-9 parts of mica powder; 5-8 parts of talc powder; 8-10 parts of titanium dioxide; 1-2 parts of defoaming agent dimethyl silicone; and 1-2 parts of coupling agent KH570; and the B component is modified polyether amine-1784. The anticorrosive coating prepared by adopting the technical scheme has the advantages of resistance to wear, resistance to acid and alkali corrosion, and resistance to high temperature and high pressure, and can meet the requirements of corrosion protection of oil drill pipe for exploitation.

The invention discloses a ceramic membrane prepared by using 3d (three-dimensional) printing technology and a preparation method thereof. The ceramic membrane comprises the following raw materials: vermiculite, quartz, calcium silicate, active carbon, zeolite, attapulgite, carbon fiber, tetrabutyl titanate, methyl isobutyl ketone, glass fiber, graphene, an initiator, a catalyst, a tackifier, a flexibilizer, a flocculation agent and a stabilizer; and the ceramic membrane is prepared through the steps of decontamination, drying, mixing, laser scanning molding, cooling and the like. The ceramic membrane prepared by using the 3d printing technology contains mixing elements such as graphene and silicate, and has the characteristics of high temperature and high pressure resistance, corrosion resistance, good anti-seismic property and the like; and the ceramic membrane prepared by using the 3d printing technology is high in efficiency of absorbing poisonous gases such as VOCs, simple in process and low in preparation cost.

The invention discloses weak grating based single-component and three-component fiber grating vibration sensors and a three-component fiber grating vibration sensing array. The three-component fiber grating vibration sensor comprises three single-component fiber grating vibration sensors, as in Claims 1-3, in orthogonal combination, a sensing fiber comprises four weak gratings, and 3 blank fibers among the 4 adjacent weak gratings are wound around a connecting rack of the three single-component fiber grating vibration sensors. The structure of the single-component sensor is designed, the horizontal sensitivity is reduced greatly, the three-component vibration sensor is formed in a modularized packaging manner, and the disadvantages that the three-component fiber grating vibration sensor is sensitive in the intersection direction is overcome.

The invention discloses a ceramic membrane for sewage treatment prepared by 3D printing technology and a preparation method thereof. The ceramic membrane comprises the following raw materials: diatomite, montmorillonite, calcium silicate, activated carbon, zeolite, attapulgite, carbon fiber , polyhydroxyvalerate, polybutylene succinate, titanium dioxide particles, alumina powder, magnesium oxide powder, glass fiber, initiator, catalyst, tackifier, toughener, coagulant, stabilizer, The ceramic membrane is made through the steps of decontamination, drying, mixing, and laser scanning sintering under the established three-dimensional file model. The sewage treatment ceramic membrane prepared by 3D printing technology in the present invention is rich in activated carbon, attapulgite, zeolite, etc., which can effectively absorb heavy metal ions, isolate non-beneficial bacteria and a large number of pollutants, etc., and only some trace elements and water molecules can pass through. The formed water indicators all meet the national "Drinking Water Sanitation Standard" (GB5749‑2006).

The invention relates to a microwave high pressure extraction container, which takes silicon nitride ceramic material as a tank body to realize microwave high pressure supercritical fluid synchronous coupling extraction of different organic compounds in samples inside the tank. The microwave high pressure extraction container mainly consists of a tank body, an upper cover, a connecting bolt and a sealing pad. The upper cover is provided with a high pressure fluid inlet, a high pressure fluid outlet, a pressure monitoring mouth and a safety valve connector. The tank body is connected into a whole with the upper cover by the connecting bolt, a connecting nut and the sealing pad. The high pressure fluid inlet and the high pressure fluid outlet are respectively communicated with the internal chamber of the tank body. The microwave high pressure extraction container of the invention has the function of realizing effectively extracting different organic compounds in microwave supercritical fluid synchronous coupling extraction samples, is beneficial for the high efficiency purification extraction and preparation of different organic compounds in the fields of environmental monitoring, chemicals, pharmacy, etc., and is especially suitable for the high efficiency extraction of different organic compounds in solid/ half-solid samples.

The invention discloses a 3D printing membrane for absorbing ether organic compounds and a preparation method thereof. The 3D printing membrane comprises the following raw materials: sepiolite, hydrotalcite, calcium silicate, activated carbon, kaolin, zeolite, calcium oxide, anhydrous calcium chloride, anhydrous cupric sulfate, carbon fibers, isopropyl titanate, methyl isobutyl ketone, glass fibers, graphene, an initiator, a plasticizer, a coagulant and a stabilizer, and the 3D printing membrane is prepared by the steps of decontamination, drying, mixing, laser scanning forming and cooling. As the 3D printing membrane for absorbing ether organic compounds disclosed by the invention contains graphene, silicate and other mixed components, the 3D printing membrane has the characteristics of high temperature and high pressure resistance, corrosion resistance, good seismic performance and the like; and the 3D printing membrane provided by the invention can effectively absorb VOCs and other toxic gases, and the absorption rate is higher than 99%.

The invention discloses a phenolic foam thermal-insulation material and a preparation method thereof. The material is prepared from raw materials in parts by weight as follows: 80-90 parts of phenolicresin, 10-15 parts of glass fiber, 2-4 parts of expansible graphite, 7-12 parts of a silane coupling agent, 10-15 parts of a foaming agent and 8-12 parts of a curing agent. The phenolic foam thermal-insulation material is mainly applied to thermal insulation materials of flat-plate solar collectors and has good heat resistance, insulativity, corrosion resistance, wide work temperature range and lower production cost; the brittleness of phenolic foam is improved and the compressive strength and mechanical performance of the phenolic foam are improved to a certain extent by the aid of the addedglass fiber and expansible graphite, the service life of the flat-plate solar collectors can be prolonged, and the quality stability of the flat-plate solar collectors can be improved.

The invention provides a preparation method of a water treatment agent. The preparation method comprises the following steps: preparing the following raw materials: phosphonate, polyquaternary ammonium salt, polycarboxylate, organic phosphonate and a sulfonate copolymer; adding phosphonate, polyquaternary ammonium salt and water to a reaction kettle and fully stirring the raw materials; heating the raw materials at a certain temperature to dissolve phosphonate and polyquaternary ammonium salt to form a colloid; cooling a colloidal mixture obtained in the step III, adding polycarboxylate and organic phosphonate while stirring the colloidal mixture, raising the temperature at the same time and stirring the materials at the temperature; cooling a mixture obtained in the step IV, adding the sulfonate copolymer while stirring the mixture at the same time and continuously stirring the materials after completing adding the sulfonate copolymer; discharging, cooling, drying and grinding a mixture, thus obtaining the water treatment agent. The water treatment agent has the characteristics of high efficiency, low cost, wide application range, no corrosion and no toxicity, and not only can be used for removing heavy metals in sewage but also can play a good role in removing the pollutants except the heavy metals.

The invention discloses high-elasticity sponge applied to a child safety seat and a making method of the sponge, and belongs to the technical field of high-elasticity sponge. The high-elasticity sponge comprises sponge foaming materials, activated carbon, carbon fibrin, toluene diisocyanate, polysiloxane, flexible foam silicon oil, chlorinated paraffin, elastin, rubber threads, latex threads, elastic threads and acrylate adhesives. The making method is simple, low in making cost and capable of fully mixing component materials to prevent caking and cracking; added activated carbon and carbon fibrin can achieve antibacterial and bacteriostatic effects, chemical toxin generated by volatilization of the sponge itself can be effectively inhibited or removed, and other harmful substances in in-vehicle air can be adsorbed correspondingly and effectively; the sponge made by the method is high in super-elasticity and strength and resistant to high temperature and high pressure and can improve safety of the safety seat.

The invention discloses a warp beam dyeing system and a warp beam dyeing method. The warp beam dyeing system comprises a dyeing vat, a pump, a creel, a plurality of beams and water drain barrels, wherein the water drain barrels are sealed, the creel is arranged in the dyeing vat, the plurality of beams are connected onto the creel, the beams are hollow shafts, chambers of the beams are formed inside the hollow shafts, a plurality of through holes for a dyeing liquid to pass are formed in side walls of the beams, and the water drain barrels are arranged in the chambers of the beams. By the aid of the warp beam dyeing system, water consumption, steam consumption and chemical material consumption can be reduced.