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359results about How to "With high pressure" patented technology

Simulation experimental device for natural hydrate geological stratification

The invention discloses a simulation experimental device for natural hydrate geological stratification. The device comprises a three-dimensional model, wherein the three-dimensional model is a stainless steel reaction kettle which has the pressure resistance of between 5 and 40Mpa, and the cavity volume of between 50 and 500L; the three-dimensional model comprises a barrel, and an upper flange and a lower flange respectively arranged above and below the barrel; a seal cavity among the barrel, the upper flange and the lower flange forms a closed simulation cavity; and the upper flange and the barrel as well as the lower flange and the barrel are connected and fixed through a plurality of bolts respectively. A semipermeable clapboard layer adopted by the device has the characteristics of high pressure resistance, corrosion resistance, high-temperature resistance and the like; the simulation cavity in the high-pressure three-dimensional model can be assembled and disassembled freely; specific numbers, sizes and the like can be selected flexibly; and the semipermeable clapboard layer having corresponding characteristics can be adopted conveniently aiming at different types of natural hydrate geological stratification conditions.
Owner:GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI

Method for enhancing wear resistant and corrosion resistant performance of over current component of water pump

The invention provides an abrasion resistant and corrosion resisting method for water pump over-current components. The method comprises the following steps: (1) blank casting, (2) blank surface treatment, (3) glaze slip preparation, (4) enameling, and (5) firing after drying. In the step (3), the mass ratio of the main components of the frit for preparing the glaze slip is that: 40-60 of monox , 0.1-5 of alumina, 1- 10 of boron oxide, 0.1- 5 of potassium oxide, 6-17 of sodium oxide, 0.5-5 of lithium oxide, 1.5-7 of calcium fluoride, 2-6 of sodium fluosilicate, 1-10 of titanium oxide, and 0-2 of others. Relative to the mass of the frit, 5-6% of clay, 0-5% of quartz powder, 0.5-0.8% of boron sand, 0.2-0.3% of sodium nitrate, 2-5% of melanin, and 50-55% of water are added into the frit, and are put into a ball mill to grind to obtain the glaze slip in colloid state. The thickness of the enamel layer attached on the water pump over-current component after firing is between 300 and 700 mu m. The enamel layer is attached on the surface of the water pump over-current component, and has the characteristics of corrosion resistance, abrasion resistance, high pressure resistance, high temperature resistance, and smooth surface with no adhered materials.
Owner:山东颜山泵业有限公司

Semiconductor direct current photoelectric transformer

The invention provides a semiconductor direct current photoelectric transformer which comprises an isolating layer, a plurality of electrooptical conversion structures and a plurality of photoelectric conversion structures, wherein the electrooptical conversion structures are formed at one side of the isolating layer; the electrooptical conversion structures are mutually connected in series; eachelectrooptical conversion structure comprises a first electrode layer, an electrooptical conversion layer formed on the first electrode layer and a second electrode layer formed on the electroopticalconversion layer; the photoelectric conversion structures are formed at the other side of the isolating layer; the photoelectric conversion structures are mutually connected in series; each photoelectric conversion structure comprises a third electrode layer, a photoelectric conversion layer formed on the third electrode layer and a fourth electrode layer formed on the photoelectric conversion layer; and the isolating layer, the second electrode layer and the third electrode layer are transparent to working light rays emitted by the electrooptical conversion layer. The semiconductor direct current photoelectric transformer of the embodiment of the invention has the advantages of high-voltage resistance, no electromagnetic radiation, no coil structure, no influence by solar radiation, and the like.
Owner:郭磊

Integrated structure of fuel tank and urea tank, material and process

The invention discloses an integrated structure of a fuel tank and a urea tank, a material and a process, and solves the problem that an existing fuel cavity and a urea cavity are separately arranged,the occupied area in a vehicle is large, the fuel cavity is easy to deform, and the cost of the urea cavity is relatively high. The integrated structure of the fuel tank and the urea tank, the material and the process have the beneficial effects that the fuel cavity and the urea cavity are organically unified, the space is saved, and the quality of the fuel cavity and the urea cavity is reduced.According to the scheme, the integrated structure of the fuel tank and the urea tank comprises a shell, wherein the shell is formed through an injection molding process, and the shell is provided witha length direction and a width direction; a separation plate fixing part and an anti-surge partition plate fixing part are arranged in the shell along the width direction of the shell, the separationplate fixing part and the anti-surge partition plate fixing part are subjected to injection molding together with the shell, and a separation plate is fixedly arranged at the separation plate fixingpart to divide the shell into at least two parts so as to form the urea cavity and the fuel cavity in the shell; an anti-surge partition plate is fixedly arranged at the anti-surge partition plate fixing part, the separation plate and the anti-surge partition plate are both connected with two opposite side walls in the width direction of the shell.
Owner:山东统亚模塑科技实业有限公司

Dispersion material for bottom blowing composite air brick of steel ladle and preparation method of dispersion material

The invention discloses a dispersion material for a bottom blowing composite air brick of a steel ladle and a preparation method of the dispersion material. The dispersion material is mainly prepared from the following raw materials in percentage by weight: 80 to 85 percent of corundum spheres, 5 to 10 percent of alumina micro powder, 1 to 5 percent of chromium oxide green powder, 1 to 5 percent of magnesia-alumina spinel with 200 meshes, and a binding agent accounting for 2.5 to 3.5 percent of total weight of the raw materials. The preparation method comprises the following steps: firstly, adding the weighed raw materials into a forced sand mixer for premixing to obtain a mixed material; secondly, putting the mixed material into an assembled mold and then carrying out compression moulding to obtain a green brick; thirdly, putting the green brick into a dryer for drying, and putting the dried product into a high-temperature kiln for firing; after the firing is ended, carrying out natural cooling to obtain a product, namely the dispersion material. The dispersion material prepared by the technical scheme adopted by the invention has the characteristics endowed by a traditional dispersion breathable material, as well as the characteristics of relatively-high strength, erosion resistance, permeation resistance, high thermal shock property and the like.
Owner:TONGDA REFRACTORY TECH CO LTD +1

Precise high-voltage current mutual inductor and error testing system and method thereof

ActiveCN104330760AEliminate error variationGuaranteed accuracyVoltage/current isolationInductorEngineering
The invention discloses a precise high-voltage current mutual inductor. A multi-winding multi-tap compensating coil winds an outer layer of an iron core; a first insulating layer is arranged between the multi-winding multi-tap compensating coil and the outer layer of the iron core; a multi-winding multi-tap secondary coil winds the outer layer of the multi-winding multi-tap compensating coil; a second insulating layer is arranged between the multi-winding multi-tap compensating coil and the multi-winding multi-tap secondary coil; a multi-winding multi-tap primary coil winds the exterior of the multi-winding multi-tap secondary coil; a first shielding layer and a third insulating layer are arranged between the multi-winding multi-tap secondary coil and the multi-winding multi-tap primary coil; the second shielding layer winds the exterior of the multi-winding multi-tap primary coil; a fourth insulating layer is arranged between the multi-winding multi-tap primary coil and the second shielding layer; the first shielding layer and the second shielding layer are provided with extension lines. The precise high-voltage current mutual inductor can directly and accurately measure the error of a high-voltage current mutual inductor under actual high-voltage environment.
Owner:STATE GRID CORP OF CHINA +1

In-situ high flux culture apparatus for sea microbe

The invention discloses an in-situ high flux culture apparatus for sea microbe, which comprises a seawater cabin and an independent culture chamber; the seawater cabin comprises a base plate fixed by bolts, a liquid storage layer, a partition plate and a culture layer from down to up, a reservoir is opened at intermediate part of the liquid storage layer, the circular holes with same size and relative position are opened on the partition plate and the culture layer; a layer of filter membrane is arranged between the partition plate and the culture layer, and the culture chamber is positioned in the circular hole on the culture layer and positioned on the filter membrane. When the apparatus is used for simulating in-situ environment in a laboratory, the apparatus is placed in a constant temperature oscillator, the base plate is a sealing base plate, the culture chamber is sealed by using an independent top cover connected to a conduit; when the apparatus is used for in-situ culture, the base plate is the base plate with sieve apertures, and the top of the culture chamber is sealed with a light transmission top board. The apparatus has the characteristics of integral disinfection, high pressure resistance, temperature difference resistance, and bump resistance. The apparatus can keep stable in-situ culture environment in laboratory and sea environment, and damage on the microbe due to environment change can be reduced.
Owner:OCEAN UNIV OF CHINA

Tensile RTP and manufacturing method thereof

The invention relates to a tensile RTP and a manufacturing method of the tensile RTP. The pipe comprises an inner pipe and a reinforcing layer wound on the inner pipe, the reinforcing layer is wrapped by a protective layer, the reinforcing layer is composed of two winding straps which are wound on the outer wall of the inner pipe in the opposite directions of turning at preset winding angles, a tensile layer is arranged between the reinforcing layer and the protective layer, and the tensile layer is composed of a set of fiber ropes which are evenly distributed in the circumferential direction and are pre-tensioned in the axial direction. Raw materials are placed into an inner pipe extruder to be extruded and cooled for being sized to form the inner pipe, the two high-strength winding straps are wound on the outer wall of the inner pipe in the opposite directions of turning according to the preset winding angles to form the reinforcing layer, the set of fiber ropes are evenly arranged on the outer surface of the reinforcing layer in the direction of the axis of the pipeline after being pre-tensioned to form the tensile layer, raw materials are placed into an outer pipe extruder to be extruded so as to wrap the tensile layer to form the protective layer, and then online continuous production is achieved through coiling. The tensile RTP has the advantages of being high in tensile property and in flexibility, resistant to high temperature and corrosion, safe, reliable and the like, the RTP is formed at one time according to the manufacturing technology, the production period is short, and the production efficiency is high.
Owner:NANJING CHENGUANG COMPOSITE PIPE ENG CO LTD

Experimental device and method for measuring solubility of overflowed gas

The invention relates to an experimental device and an experimental method for measuring solubility of overflowed gas. A measuring device comprises a reaction unit and a measuring unit. Core equipment comprises an intermediate container, a high-temperature high-pressure sample preparer, a separation bottle, a gasometer flask and a constant pressure pump. The method comprises the following steps: filling the high-temperature high-pressure sample preparer with a certain amount of drilling fluid; injecting excessive gas into the high-temperature high-pressure sample preparer through the intermediate container; controlling the temperature and pressure of the high-temperature high-pressure sample preparer by means of a heating element and the constant pressure pump; continuously rotating the high-temperature high-pressure sample preparer, wherein gas and the drilling fluid are in full contact; when dissolving balance is achieved, reversing the high-temperature high-pressure sample preparer; taking out a proper amount of dissolved saturated drilling fluid for gas-liquid separation and separately metering the gas volume and the mass of the drilling fluid; and calculating the solubility at the temperature and pressure condition. The device and method provided by the invention have the beneficial effects that a dissolving reaction of the overflowed gas in the drilling fluid in a wellbore flow condition can be simulated, multiple times of measurement can be realized by sample transferring at a single time, and the testing efficiency is increased.
Owner:SOUTHWEST PETROLEUM UNIV

Distributed optical fiber temperature monitoring system

ActiveCN101221693ANo need to increase additional networking costsRF resistantNon-electrical signal transmission systemsTransceiverRemote control
The invention relates to a distribution type optical fiber temperature monitoring system, which comprises a monitoring center master station, and at least one remote controlled substation connected with the monitoring center master station through optical fiber, wherein the remote controlled substation at least comprises a temperature sensor module. The invention is characterized in that: the remote controlled substation at least comprises two optical fiber transceivers; the electric ports of the two optical fiber transceivers are both connected with the temperature sensor module; the optical port of a first optical fiber transceiver of a first remote controlled substation is connected with the first communication port of the monitoring center master station, the optical port of a second optical fiber transceiver of a last remote controlled substation is connected with the second communication port of the monitoring center master station, and each two adjacent remote controlled substations are connected through optical fiber. The invention does not need extra networking cost; signal transmission is sent to the monitoring center master station through a two-way loop, and when the optical fiber at one side of one remote controlled substation encounters abnormality, the signal is transmitted to the monitoring center master station through the optical fiber at the other side.
Owner:浙江振东光电科技有限公司
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