57results about How to "Good high pressure" patented technology

The electrolyte includes solvent, solute, additive for corrosion resistance and property modifying additive. The additive for corrosion resistance includes 8-hydroxy quinoline, mannitol, phosphate monoester and one or more matters selected from organic acids. Compositions of property modifying additive include polyvinyl alcohol and/or carbowax, boracic acid and/or ammonium pentaborate, and glycol etc. Moreover, the electrolyte also includes dehydrogenation agent and waterproof mixture. The electrolyte improves capabilities of high temperature and high pressure resistant, and corrosion proof for aluminum electrolytic capacitor, reduces generation of hydrogen so as to prevent capacitor from blowing up, and hydration causing invalidation of capacitor. The invention also discloses the aluminum electrolytic capacitor of using the electrolyte. The capacitor is operable under rated operational voltage 315V-500V, and temperature 125 deg.C as upper limit.

The invention discloses a system and a method for simulating water inrush from coal mining floor above artesian water aquifers. The system is composed of a two-dimensional similar simulation experimental device, a loading device, a rising guide device and a data acquisition device, wherein the two-dimensional similar simulation experimental device comprises a test bed; the rising guide device comprises a sac body, a board guard trough, a U-shaped groove and a rising guide pipe positioned on the upper surface of the sac body, the U-shaped groove is disposed on the bottom plate of the test bed, the sac body is fixed in the U-shaped groove, the board guard trough is arranged at two sides of the bottom plate, a plurality of holes are formed on the inner wall of the board guard trough, a plurality of branched pipes are arranged on the rising guide pipe at uniform intervals in a vertical direction, and are disposed at the outer side of a model when the model is laid. The system can monitor the formation process of the water inrush channel of the coal mining floor above artesian water aquifers and the rising guide position of artesian water, thereby having a certain guiding significance on simulation of water inrush from coal mining floor above artesian water aquifers.

The invention discloses a hydrogenated butadiene-acrylonitrile rubber vulcanized rubber with high strength, high pressure resistance and hydrogen sulfide corrosion resistance. The hydrogenated butadiene-acrylonitrile rubber vulcanized rubber with high strength, high pressure resistance and hydrogen sulfide corrosion resistance consists of the following raw materials in parts by mass: 100 parts of hydrogenated butadiene-acrylonitrile rubber, 5-20 parts of heat-resisting active agent, 1-4 parts of age resister, 60-120 parts of reinforcing filler, 2-10 parts of plasticizer, 6-10 parts of vulcanization accelerator, 1-4 parts of grapheme and 1-2 parts of processing aid. The vulcanized rubber disclosed by the invention has high tensile strength and hardness and good high-pressure resistance and hydrogen sulfide corrosion resistance.

The invention relates to a ball float type liquidometer with vernier display. The ball float type liquidometer comprises a ball float chamber and a ferromagnetic spherical floating ball arranged therein, a vernier outside the ball float chamber, a calibrated scale and a vernier guide rail. The vernier comprises magnetic steel, a frame and a rolling system which is horizontally fixed and sleeved in the frame; the rolling system comprises rolling wheels which are provided with radial grooves along a circumferential surface, rolling bearings and shafts; the magnetic steel is disposed between the ball float chamber and the frame and is fixed outside one side surface close to the ball float chamber on the frame, and the magnetic pole of the magnetic steel is right oriented towards the floating ball; the vernier guide rail is sleeved in the frame and is disposed between the magnetic steel and the rolling system; and the rolling system enables the rolling wheels to roll vertically along the vernier guide rail at groove positions through a magnetic coupling force between the magnetic steel and the floating ball. The ball float type liquidometer is simple and scientific in structure, reliable in application performance, easy to manufacture and low in cost, reduces defects in the prior art and effectively meets needs in correlation fields.

The invention discloses a treatment method for paraformaldehyde wastewater, and belongs to the technical field of sewage treatment and environment protection .The method comprises the three steps of A, carrier preparation; B, catalyst preparation; C, wastewater treatment .The activity of a catalyst is high, losses are small after the catalyst is used, the using time is long, and the problems that secondary pollution is caused by transition metal salt adopted in the prior art and a static bed is blocked due to the adoption of a powdery carrier are solved .In addition, a trickle bed is adopted for catalytic oxidation for treatment, operation is convenient, air is adopted as an oxidizing agent in the oxidation treatment process, the cost is low, the efficiency is high, and the method is particularly suitable for industrial continuous treatment; the method is used for treating wastewater produced by production of paraformaldehyde, the COD removal rate can reach 95% or above, the ammonia nitrogen content is lower than 30 mg/L, and the formaldehyde content is lower than 10 mg/L.

The invention provides a high-temperature-resistant polypropylene pipe material and a preparation method thereof. The high-temperature-resistant polypropylene pipe material is prepared by comprising the following raw materials in parts by weight: 75 to 80 parts of polypropylene, 4 to 15 parts of glass fiber, 10 to 15 parts of an antistatic agent, 3 to 5 parts of a compatibilizing agent, 2 to 10 parts of a nanoscale inorganic filling material, 0.1 to 2 parts of a coupling agent, 0.5 to 1 part of an antioxidant and 0.5 to 1 part of PE wax. The high-temperature-resistant polypropylene pipe material provided by the invention has excellent physical and mechanical properties, especially has good high-temperature resistance, high-pressure resistance and corrosion resistance, can be used for a long time at a temperature of about 150 DEG C, and does not deform and crack; meanwhile, the preparation method is simple, has low cost and is applicable to industrial production.

The invention relates to an electrical penetration piece sealed by ceramics and metal and used for a nuclear reactor, which belongs to the technical field of a nuclear reactor structure and comprises a plurality of groups of conductor assemblies, a barrel, a pressure monitoring and air charging device and the like. The conductor assemblies are arranged in the barrel, two ends of the conductor assemblies extend out of end plates at two ends of the barrel and fixed on the end plates through pressing nuts, and the pressure monitoring and air charging device is connected with the barrel. The conductor assemblies are composed of metal sheath tubes, a plurality of leads and porcelain tubes. The plurality of leads are arranged in the metal sheath tubes, sealing insulation media are arranged among the leads in the metal sheath tubes, sealing insulation porcelain plates are arranged among the leads at the ends of the metal sheath tubes, ceramic insulation coating is coated on the surfaces of the leads extending out of the ends of the metal sheath tubes, and the insulation porcelain tubes are sleeved on the surfaces of the leads extending out of the ends of the metal sheath tubes. The penetration piece has the advantages of being irradiation resisting, ageing resisting, corrosion resisting, high temperature resisting, vibration resisting and high voltage resisting and the like, simple in manufacture, low in cost and long in service life cycle.

The invention provides a detachable condenser, which comprises a barrel, a heat exchange tube, a cover plate, a first fixing part, a tubular plate, a sealing device, a seal and a second fixing part. The barrel is used for storing heat exchange materials, the heat exchange tube is mounted in the barrel, the cover plate is arranged on the barrel, the first fixing part is used for fixing the barrel with the cover plate, the center of the tubular plate is connected with the heat exchange tube, the sealing device is arranged between the tubular plate and the cover plate and used for reinforcing sealing effect between the tubular plate and the cover plate, the seal is connected with one side of the tubular plate and used for connection with an external pipeline system, and the second fixing part is used for fixing the cover plate with the seal to enable the cover plate to be more firmly connected with the seal. Using the detachable condenser solves the problem that replacing deformed or corroded parts in the prior art is extremely difficult.

The invention discloses a temperature motoring system based on a fiber Bragg grating sensor, wherein the temperature monitoring system is used for monitoring electric power equipment. The system comprises the components of a fiber Bragg grating sensor which is mounted on a monitoring point, a light source module, a first signal transmitting unit which is used for transmitting a first light wave signal that is output from the light source module to the fiber Bragg grating sensor, a demodulating module, and a second signal transmitting unit which is used for transmitting a second light wave signal that is output from the fiber Bragg grating sensor to the demodulating module. The demodulating module is used for converting the second light wave signal to a temperature signal of the monitoringpoint. The temperature monitoring system further comprises a signal receiving module for receiving a temperature signal, and a display module which is used for displaying the temperature signal received from the signal receiving module. The temperature monitoring system based on the fiber Bragg grating sensor can well monitor heat generation amount change in an operation process of the electric power equipment, and furthermore performs a good safety warning function on production and operation of the electric power equipment.

The invention relates to a silicon carbide graphite tube heat exchanger, which comprises a jacket, including an upper head, a middle sleeve and a lower head which are sequentially connected from top to bottom; Lining, including the upper tube sheet arranged between the upper head and the middle sleeve, the lower tube sheet between the lower head and the middle sleeve, and the silicon carbide heat exchanger arranged in parallel between the upper tube sheet and the lower tube sheet Tubes, and the silicon carbide heat exchange tubes are connected with the upper tube sheet and the lower tube sheet with static seals. The advantages of the present invention are: by using silicon carbide heat exchange tubes, the heat exchange tubes have good high temperature resistance, high thermal conductivity, small thermal expansion coefficient, and good wear resistance by utilizing the characteristics of silicon carbide with stable chemical properties, high thermal conductivity, small thermal expansion coefficient, and good wear resistance. High pressure resistance, suitable for heat exchange in high temperature and high pressure media.

The invention discloses an impact resistant hyperelastic plastic runway, which includes a runway body. The runway body includes a gravel cushion layer, a concrete foundation layer, an asphalt reinforcement layer and a plastic surface layer, the concrete foundation layer is poured on the upper surface of the gravel cushion layer, the asphalt reinforcement layer is laid on the upper surface of the concrete foundation layer, and the plastic surface layer is laid on the upper surface of the asphalt reinforcement layer; and the plastic surface layer includes MC nylon, a D3O gel, a wear-resistant rubber, polytetrafluoroethylene, a filler, a crosslinking agent, a coupling agent, a mildew preventive, an anti-aging agent and an ultraviolet adsorbent. According to the impact resistant hyperelastic plastic runway, it is ensured that the plastic surface layer has impact resistance, wear resistance, corrosion resistance, high pressure resistance and other properties at the same time, and the plastic surface layer further has the good ability to absorb impact force; and when people do strenuous exercise on the plastic runway, the plastic surface layer can absorb the impact force produced by people on the plastic runway, and the plastic surface layer is prevented from deformation due to the impact force.

Disclosed is an integral type clutch piston for a transmission. The integral type clutch piston is in a disc shape and comprises a skeleton and a sealing body. The skeleton is provided with an outer die side end, an outer protruding part, an oil storage cavity, an inner friction end and an inner protruding part. A friction part of the skeleton is composed of two annular end faces of the inner friction end and the outer die side end; the outer die side end is arranged on one side of the oil storage cavity, and the inner friction end is arranged on the other side of the oil storage cavity; the inner protruding part is located between the inner friction end and the outer die side end and connected with the outer die side end and the inner friction end, and protrudes towards the oil side; theouter protruding part is located at the outer die side end for bearing the pressure of a return part; and the sealing body wraps the outer protruding part, the inner friction end and the inner protruding part. The integral type clutch piston is good in strength, resistant to abrasion, resistant to high temperature and high pressure, resistant to impact, high in airtightness, low in self-weight, good in assembling ability, high in reliability, wide in application range, long in service life and good for large-batch production.

The invention discloses a production process for a KPF structure single-face coating backboard. The process includes the following steps that (1) one surface of a PET material is coated with high-performance polyurethane glue with the thickness being 10 microns after low-temperature plasma treatment is conducted on the surface of the PET material and the PET material is delivered into an oven to be dried; (2) a PVDF film with the thickness being 12 microns is compounded to the glue face coated with the glue of the PET material; (3) after the material is rolled, low-temperature plasma treatment is conducted on the other surface of the PET material, the other surface is coated with the high-performance polyurethane glue with the thickness being 10 microns, and the material is delivered into the oven to be dried; (4) modified PE paint with the thickness being 4 microns is compounded to the other glue face coated with the glue of the PET material; (5) after being rolled, the material is cured in the oven for 40 hours at the 40 DEG C so that the backboard can be manufactured. According to the production process, manufacturing cost is reduced, a compounding working procedure is omitted, the rate of finished products is effectively increased, cost is saved, and a manufacturing method is simple.

The invention relates to a sludge deep dehydration method which has favorable dehydration effect, saves energy and is environmental friendly. In the method, a dehydrating agent adding system, an air filtration and treatment system and a filtration dehydration system are provided. A charge pump is arranged between the dehydrating agent adding system and the air filtration and treatment system which are communicated by a pipeline; the air filtration and treatment system and the filtration dehydration system are communicated by a pipeline; a guide bucket and a water outlet are arranged at the bottom of a dehydrater in the filtration dehydration system, and the guide bucket is mounted on a conveyer. The invention has the following advantages that, firstly, the sludge dehydration rate is high, and the water content of the sludge can reach 50-58%; secondly, the filtering efficiency is high, and the filtering cycle can be shortened to less than 20 min; thirdly, the filtered water can be recycled, and the water resource is saved; fourthly, the dehydrater is utilized, the high pressure resistance, the antiseptic performance and the sealing performance are favorable, the dehydration ratio of a filter cake is high, the washing is uniform and thorough and the dehydration speed is fast; fifthly, the automatic degree is high; and sixthly, the operation is safe.

The invention relates to an all-solid-state pH sensor and a preparation method thereof, and belongs to the technical field of pH sensors. The all-solid-state pH sensor comprises an electrode protection shell (7); a pH sensor fixed by a packaging material (5) and a sealing and packaging material (8) for solid sealing are arranged in the electrode protection shell (7); and a protection cover (9) is arranged at the lower end. The pH sensor comprises an all-solid-state iridium oxide pH response electrode (3) and an all-solid-state Ag/AgX reference electrode (4), wherein the all-solid-state iridium oxide pH response electrode (3) comprises an iridium metal core (2) and a layer of iridium oxide film (1) wrapping the outer surface of the iridium metal core (2); the iridium oxide film (1) is prepared and generated by adopting a high-temperature thermal oxidation method; and the all-solid iridium oxide pH response electrode (3) and the all-solid Ag/AgX reference electrode (4) are respectively connected with a lead (6). The sensor device has the characteristics of high pressure resistance, high stability, small size and the like, and can be applied to a deep sea high-pressure environment.

The invention discloses a manufacturing method of a high-temperature-resistant, high-pressure-resistant and self-adaptive nonmetal composite sealing ring, and belongs to the technical field of sealing rings, and the composite sealing ring manufactured by the method is composed of two parts: a high-temperature-resistant resin outer layer and a high-elasticity rubber inner layer. The nonmetal composite sealing ring manufactured by the invention has excellent high temperature resistance, high pressure resistance and self-adaptability, and the multiple sleeved resin layers are combined with various rubbers, so that the sealing ring has excellent explosion-proof performance, can work for more than 300 hours under the working conditions of 400 DEG C and 200 MPa, can replace a metal sealing ring, greatly reduces the installation difficulty of a sealing assembly, and is suitable for large-scale popularization and application. The problem that no high-temperature-resistant, high-pressure-resistant and self-adaptive nonmetal sealing ring exists under the high-temperature and high-pressure working conditions is solved, and the sealing ring has wide application prospects in high-temperature and high-pressure equipment in the industries of military industry, petrochemical industry, new energy and the like.