104results about How to "Adapt to a wide temperature range" patented technology

The present invention relates to a multipath voltage stabilizing isolated digital DC / DC electric power source and a control method thereof. The DC / DC electric power source comprises the following components: a main power topological, an isolated transformer, an primary controller, a secondary controller, a driving circuit, a voltage and current detecting channel, a feedback and sampling channel, a primary accessory electric power source, a secondary accessory electric power source, a parameter memorizer and a communication interface. In the DC / DC electric power source control method, the DC / DC electric power source is leaded to start to operate with a soft starting mode through the primary controller, and the fixed duty ratio of the dead zone of the complementary belt is outputted when the soft starting has finished to control the main switch component of the converter. The secondary controller does setting according to the prearranged parameter. The electrifying time-delay of each path is set according to the starting time sequence, and a mode of soft starting is adopted for outputting the voltage of each path. The invention relates to a full-digitally controlled DC / DC electric power source, wherein the hardware compensation network is replaced by the software code, and the electric power source according to the invention has the advantages of broad range of the adapting temperature and strong interference resistance. And at the same time the controller parameter, the electrifying time sequence, the protecting threshold and the like can be modified flexibly.

The invention discloses a preparation method of an SCR (Selective Catalytic Reduction) flue gas denitrification catalyst. The preparation method comprises the following steps: (1) firstly preparing a mixed solution of titanium sulfate and amino carboxylate, adding powdered molecular sieve into the mixed solution for dipping, and carrying out drying and roasting to prepare a TiO2-molecular sieve composite carrier; (2) dipping the TiO2-molecular sieve composite carrier prepared in the step (1) into dipping liquid containing an active component and an adjuvant precursor, and carrying out drying and roasting to obtain denitrification catalyst powder; (3) mixing the denitrification catalyst powder obtained in the step (2) with glass fiber, wood pulp, polyacrylamide, carboxymethyl cellulose, ammonia water and deionized water, and carrying out kneading, aging, extrusion, drying and roasting to obtain a cellular denitrification catalyst. The preparation method is simple in preparation process and low in cost; the obtained denitrification catalyst is wide in active temperature range, high in denitrification activity and high in SO2 and H2O poisoning resistance.

The invention relates to a composite polymer waterproof board, which is prepared from the following components in part by weight: 30 to 90 parts of ethylene-vinyl acetate (EVA) copolymer, 20 to 50 parts of linear low density polyethylene (LLDPE) and 0.5 to 1.5 parts of antioxidant. The composite polymer waterproof board has high seepage resistance, high barrier property, high puncture resistance, no chemical pollution, and resistance to acid, alkali and various chemical substances. The invention discloses a synthetic resin polymer waterproof board with high elongation and wear resistance and a preparation method thereof. The waterproof board is suitable for water and seepage resistance of civil engineering such as various tunnels, underground civil engineering, urban subways, water conservation, artificial lakes, refuse landfills, petrochemical plant waste residue treatment sites, sewage regulating tanks and the like.

The invention discloses a method for joint coating on pipeline by heat-shrinkable tape, which comprises the following process flows of: polarization treatment on the heat-shrinkable tape, blasting treatment on a surface of the joint coating, gas treatment on the surface of the joint coating, preservative treatment on the surface of the joint coating, wrapping the heat-shrinkable tape on the surface of the joint coating and other procedures. The method has the advantages of simple process, simple and convenient operation, strong bond strength, high anti-corrosive property, long service life, wide adaptive temperature range, and convenient construction, and is beneficial to popularization and application.

The invention discloses an endoglucanase coding gene, a recombinase and application, belonging to the technical field of biology. The sequence of the endoglucanase coding gene is shown as SEQ ID NO.1; and the sequence of the recombinase of the endoglucanase is shown as SEQ ID NO.2. Experiment proves that the recombinant endoglucanase provided by the invention has high carboxymethyl cellulose enzyme activity (up to 2245U / mL) and the transparent circle diameter of a colony is 30 times larger than that of the initial strain. The endoglucanase coding gene and the recombinase provided by the invention can be widely used in the degradation of celluloses.

The invention relates to a novel two-stage absorption solar air conditioning system. In the technical scheme, a vacuum tube heat collector with a compound parabolic reflector is used as a solar heat collector, and hot water generated by the solar heat collector heats a solution in a two-stage lithium bromide absorption refrigerator by separate heat pipes to drive the refrigerator to refrigerate a room for air conditioning. An auxiliary gas heat source is arranged in the system, and when the heat of a solar heat source is insufficient, a gas heater is started for auxiliary heating. The system adopts the design of two pipelines, one part of generated hot water drives the refrigerator directly by heat pipes to refrigerate a room to reduce pipeline waste, and the other part is stored in a water tank for later use when hot water in heat pipes is insufficient. According to the measures, the utilization of solar energy can be improved synthetically, the energy is saved; and by using the novel heat pipe technology, heat exchange efficiency is increased, and high efficiency and energy saving can be obtained by the solar air conditioning system.

The invention relates to the technical field of well drilling tools, and in particular relates to a high-sealing roller bit, comprising a roller cone and a palm shaft, wherein the opening position of a roller cone shaft hole near the roller cone is provided with a sealing groove. The high-sealing roller bit is characterized in that a sealing part is arranged in the sealing groove, and the sealing part comprises a sealing jacket and an energy storage spring and is sleeved on the energy storage spring. The high-sealing roller bit has a simple and compact structure. A spring energy-storage sealing ring of the roller bit has elasticity and excellent deformation ability. A rubber ring of the traditional metal end face sealing device is not needed as the functional ring and auxiliary sealing element, a small sealing space is needed, and the adaptability to high speed is high. As the sealing jacket of the spring energy-storage sealing ring is made of polyfluortetraethylene, the high-sealing roller bit has the advantages of low friction coefficient and high adaptability to high speed compared with the roller bit with the sealing jacket made of traditional rubber sealing material hydrogenated nitrile.

The invention discloses a discharge reducing and resourcing method of coal-burning power station flue gas carbon dioxide, which is characterized by the following: adopting amino material as adsorbent; injecting amino material solution as ammonium salt pattern into the flue gas of carbon dioxide adsorbing system after pre-dedusting the tail part of coal-burning stove to reduce 20-95% carbon dioxide in the flue gas; separating and purifying to obtain high-purity carbon oxide; fitting for industrial, chemical, food manufacturing, oil extracting oil displacement and so on; making the escape rate of ammonium in the clean gas discharged by defroster not more than 15mg / Nm3. The invention simplifies the flow path technique with obvious kind and quantity of manufacturing equipment, which has more widely using prospect.

The invention discloses a novel self-lubricating material for a high-speed parallel robot. The novel self-lubricating material comprises the following components in parts by weight: 15-20 parts of molybdenum disulfide, 5-8 parts of fluoridized graphite, 3-7 parts of boron nitride, 2-5 parts of polytetrafluoroethylene, 55-85 parts of nylon, 10-15 parts of polyformaldehyde, 8-12 parts of ekonol and 4-6 parts of zinc-tin alloys. By adopting the mode, the novel self-lubricating material for the high-speed parallel robot, which is disclosed by the invention, has the advantages of the traditional self-lubricating material, and also has the advantages of less friction damping and larger operating temperature range, thus greatly prolonging the service life of the high-speed parallel robot and enlarging the application range of the high-speed parallel robot.

The invention provides a drive joint suitable for deep-space high-low-temperature environment. The drive joint is characterized by comprising a step motor, a short cup type harmonic reducer, a rotary transformer, a housing end cover, a housing, an output shaft, an angular contact bearing, a disc spring, an inner shaft sleeve, an outer shaft sleeve, a stop nut and a bearing end cover. After being amplified by the reducer, motor torque drives a performing mechanism to rotate through the output shaft, the rotary transformer is mounted on the output shaft for directly detecting an output angle of the drive joint, the torque transmission path is the shortest and connecting links are fewest, so that the drive joint has the advantages of being wide in applicable temperature range, high in reliability, small in return difference, small in axial jump, great in transmitted torque and the like.

The invention discloses a passive replaceable solid oxygen generating device which comprises a generating rectifying device, a multi-gear option switch, a plurality of solid oxygen generators, a filtering device and an oxygen use device, wherein the generating rectifying device comprises a generating device and a rectifying device; the generating device is connected with the rectifying device through a wire; the generating rectifying device is connected with the plurality of solid oxygen generators through the multi-gear option switch; the solid oxygen generators are connected with the filtering device through gas pipes; the filtering device is connected with the oxygen use device. The passive replaceable solid oxygen generating device can be used under the condition of extreme temperature; power supply need not be replaced; the device is small in volume, is simple for operation and is free from maintenance.

The invention discloses a novel flame-retardant cable material. The cable material is prepared from raw materials in parts by weight as follows: 15-35 parts of polyvinyl chloride, 3-8 parts of an ethylene-octylene copolymer, 13-18 parts of ethylene-vinyl acetate, 18-33 parts of high impact polypropylene, 7-18 parts of nitrile rubber, 1-2 parts of stearic acid, 12-23 parts of filler, 1.5-3.3 parts of a heat stabilizer, 0.7-1.2 parts of an antioxidant, 1-2 parts of an antibacterial agent, 4-8 parts of a plasticizer, 3-5 parts of a compatilizer and 1-3 parts of a flame retardant. The novel flame-retardant cable material has excellent performance, good physical performance, wide temperature adaptation range, high-temperature resistance, good flame-retardant performance, antibacterial and anti-corrosion capacity and long service life.

The invention relates to a gallium-lanthanum silicate serial crystal high-temperature zero-temperature compensating cut type and application. As for a gallium-lanthanum silicate serial crystal of 32 point groups, a positive d11 direction is taken as the positive direction of x, y and z directions are determined according to a right-hand screw rule; the thickness direction of the crystal is Y, the length direction is X, an alpha angle is rotated in the X direction according to the right-hand screw rule and is marked as YXltw(alpha), the alpha is larger than -90 degrees and smaller than 20 degrees, the alpha is anticlockwise rotated, and the -alpha is clockwise rotated; and the dimensional proportion of the thickness, the width and the length of the cut type is 0.2-2:6-12:6-12. The gallium-lanthanum silicate serial crystal high-temperature zero-temperature compensating cut type and a frequency device of the invention have the characteristics of high frequency stability, wide adaptive temperature range, simple wafer processing and the like.

The invention provides a decomposing agent and a decomposing application thereof to manure of a laying hen. The decomposing agent comprises the following components by weight: 2 to 4% of a composite microbial agent, 40 to 60% of an organic material and 40 to 60% of a mineral substance, wherein the composite microbial agent comprises bacteria and fungi; the content of active bacteria in the composite microbial agent is no less than 200 million CFU / g of the compound microbial agent; the content of active fungi in the composite microbial agent is no less than 25 million CFU / g of the composite microbial agent; the bacteria are one or a mixture of more selected from the group consisting of Bacillus subtilis, Bacillus thermophilus, Bacillus licheniformis, Bacillus megaterium and Lactobacillus plantarum; and the fungi are one or a mixture of more selected from the group consisting of Trichoderma reesei, Trichoderma viride, Aspergillus oryzae, Aspergillus niger, saccharomycetes, white rot fungi, Geotrichum candidum, Mucor racemosus, Trichoderma koningii and Thermophilic sporotrichum. The decomposing agent provided by the invention can quickly decompose the manure of the laying hen and reduces the loss of nutrients in the process of decomposing.

The invention discloses a coaxial three-reflection telescope objective for a planar view field without secondary blocking. The telescope objective comprises a main lens, a secondary lens, a tertiary lens, a deflection mirror, a foldable plane mirror and a focal plane. Rotation symmetric axes of the main lens, the secondary lens and the tertiary lens coincide with a main optical axis, and an aperture diaphragm is placed on the main lens. The main lens and the tertiary lens are both ellipsoid faces, and the secondary lens is a hyperboloid. The deflection mirror is arranged on an emergent light path of the tertiary lens, the normal of the deflection mirror inclines relative to the main optical axis, and an image surface is led out of the optical axis. By reasonably arranging the position of an exit pupil, secondary blocking is not generated on the deflection mirror. The problems that in an existing coaxial three-reflection system, a detector is difficult to install and secondary blocking exists in the planar view field are solved. The telescope objective has the advantages of being long in focal length, large in aperture, little in blocking, small in size, low in weight, simple in structure, wide in work waveband and good in imaging quality, and is suitable for staring cameras, video cameras, front lens of imaging spectrographs and other optical imaging fields.

A gas corrosion characteristic testing apparatus is characterized in that a gas mixing zone (1) and a hanger zone (9) are sequentially arranged between a gas inlet (2) and a gas outlet (7) along a gas flow direction, hangers are installed in the hanger zone in a direction vertical to the gas flow direction, a cover plate (6) is installed over the hanger zone, and the hangers hang on the bottom surface of the cover plate. The apparatus has the characteristics of simple structure, convenient processing and operation, wide adaptation temperature range, convenient testing of the comprehensive effects of a plurality of factors comprising the composition, temperature and flow velocity, especially the cooperative corrosion effects of different gases, and easy popularization and application.

The invention provides an ultrahigh-strength tough cement slurry system for well cementation and preparation and application thereof. The ultrahigh-strength tough cement slurry system for well cementation comprises the following raw materials: 100 parts by weight of cement, 20-40 parts by weight of a high-temperature reinforcing material, 0.5-6 parts by weight of an inorganic toughening material, 0.5-4 parts by weight of a suspension stabilizer, 2-6 parts by weight of micro silicon, 0.5-1.5 parts of a dispersing agent, 2-6 parts of a fluid loss agent, 1-8 parts of a retarder, 0.2-1 part of a defoaming agent and 40-60 parts of clear water. The cement paste system is good in flowability and sedimentation stability, low in water loss, adjustable in thickening time and wide in adaptive temperature range; the set cement has the characteristics of ultrahigh strength and the like, well cementation requirements of deep shale gas, high-temperature deep wells and the like can be well met, set cement strength decline caused by high-temperature strength can be avoided, and the service lifetime of an oil-gas well can be further prolonged.

The invention discloses an insulating heat-conducting cable material. The insulating heat-conducting cable material is prepared from, by weight, 20-30 parts of high-density polyethylene, 10-20 parts of graphene modified polypropylene, 15-25 parts of ethylene-vinyl acetate copolymer, 7-11 parts of arabic gum, 3-6 parts of montmorillonoid, 4-8 parts of light calcium carbonate, 3-7 parts of glass fibers, 2-4 parts of polyethylene wax, 1-3 parts of calcium stearate, 6-9 parts of a flame retardant, 2-5 parts of a plasticizer and 2-4 parts of a reinforcing agent. The insulating heat-conducting cablematerial has advantages of high heat conductivity, great insulating performance, high tensile strength, high toughness and convenience in processing.

The invention discloses an electrodeless ultraviolet germicidal lamp which comprises a frame-shaped lamp tube, two power couplers and a high-frequency excitation source; a heat radiator comprises a base and a top cover and the upper end of the base is combined together with the top cover to form a complete circle; a magnetic ring comprises an upper semicycle and a lower semicycle which can be combined into a complete circle; the magnetic ring is arranged in the heat radiator and fixed through buckles on the base and the top cover of the heat radiator; a coil is wound at the bottom of the lower semi-circular magnetic ring, and the number of turns of the coil is set according to the demand of output powder; output ends of the high-frequency excitation source are respectively connected at the both ends of the coil, input ends of the high-frequency excitation source are connected with a power supply; blind pipes at the both ends of the lamp tube are loaded with amalgam, the lamp tube is filled with inert gas and the two short sides of the lamp tube are clipped in the upper semi-circular magnetic ring and the lower semi-circular magnetic ring of the power couplers. The invention solves the contradiction which cannot be solved by the electrode ultraviolet germicidal lamp and has the advantages of high efficiency, high power, wide power range, long service life, instant start, environmental-protection, wide applicable temperature range, simple manufacturing process, lower processing cost, and the like.

The invention discloses an improved hybrid energy-storage single tank. The improved hybrid energy-storage single tank comprises a phase-change heat accumulator, a thermocline heat-storage single tank,molten salt, phase-change heat-accumulation materials, shell and tube heat exchanger pipelines, a large quantity of porous medium filler, an upper air diffuser and a lower air diffuser. The phase-change heat accumulator is tightly connected with the thermocline heat-storage single tank in the vertical direction. The thermocline heat-storage single tank is filled with the porous medium filler. Theshell and tube heat exchanger pipelines and the phase-change heat-accumulation materials are evenly arranged in the phase-change heat accumulator. The interior of each shell and tube heat exchanger pipeline is of a corrugated pipe structure. The upper air diffuser is mounted on the upper portion of the phase-change heat accumulator and is externally connected with a top inlet of a tank body. Thelower air diffuser is mounted on the lower portion of the thermocline heat-storage single tank and is externally connected with a bottom outlet of the tank body. The heat storage and release efficiency of the heat-storage tank is improved, and the effective heat storage and release capacity of the heat-storage tank is improved; and compared with a double-tank heat-storage system, the improved hybrid energy-storage single tank has the advantages of being simple in structure and low in investment cost.

The invention relates to an enhanced type efficient nitrogen and phosphorus-removing sewage treatment system. A structure thereof comprises the following units: 1) a biochemical treatment unit, 2) a membrane treatment unit, 3) a backflow unit, 4) filling units and 5) a control unit, wherein the membrane treatment unit is connected with a water outlet end of the biochemical treatment unit; backflowsludge of the membrane treatment unit is connected with a water inlet end of an aerobiotic tank of the biochemical treatment unit, and the backflow rate is 300%-400%; the water outlet end of the aerobiotic tank flows back to the water inlet end of an anoxic tank through a backflow pipeline and a backflow device, the water outlet end of the aerobiotic tank and the water outlet end of an anaerobictank are jointly connected with the anoxic tank, and the backflow rate is 100%-200%; the water outlet end of the anoxic tank flows back to the water inlet end of the anaerobic tank through the backflow pipeline and the backflow device, the water outlet end of the anoxic tank and a pretreated water outlet end are jointly connected with the anaerobic tank, and the backflow rate is 100%-200%; the filling units are arranged in the anoxic tank and the aerobiotic tank. In the invention, a filler is added in a traditional A / A / O technical reactor, the backflow position and the backflow rate are adjusted, the carbon source is efficiently utilized, the nitrogen and phosphorus removal effect is enhanced, the reaction rate is effectively increased and the effluent index can be guaranteed.

The invention discloses a biological preparation for remedying oily soil and a remediation method and application thereof. Soil from three different regions is mixed with three kinds of oil to form oily soil with the oil content of 10%, soil pH is detected, and if the soil pH is alkaline, the soil pH is adjusted to 6-8. The biological preparation is prepared by mixing microbial strains a, b and c according to a bacterial count ratio of 1: 1: 1. The biological preparation is diluted by using water according to different proportions, and at a room temperature and at the temperature of 40 DEG C, the oily soil with the pH value of 6-8 and the original pH is treated. After treatment for 48 hours to 4 weeks, the oil content of a soil sample is detected. The remediation method is simple in process, simple in required equipment, low in cost and environment-friendly; the biological preparation is high in oily soil remedying efficiency and can achieve efficient oil-lowering rate within a relatively short time. The remediation method is an efficient method for remedying the oily soil by using the biological preparation, and has a very good application prospect.

The invention relates to an efficient static fracturing agent and a preparation technology thereof. The efficient static fracturing agent is mainly used for concrete structures, silent crush and removal of rock, and exploitation of precious rocks such as marble, granite and the like. The efficient static fracturing agent is prepared from calcium oxide, limestone, alumina, amino silicone and ettringite in parts by weight. The invention has the advantages of big expansibility, short reaction time, wide adaptive temperature range, low cost, short preparation time, good mobility, reliable performance and is simple to operate in construction and safe to use, the work efficiency is improved, the efficient work time is utilized greatly, and the broken shape of the rock can be controllable.

The invention belongs to the technical field of fracturing fluid preparation and discloses recoverable biological composite emulsion fracturing fluid and a preparation method and a utilization method.The fracturing fluid is prepared from, by weight, 6%-12% of acrylate, 3%-8% of acrylamide, 8%-15% of alkyl acrylamide, 15%-30% of an emulsifying agent, 4%-8% of 2-sodium propanesulfonate in mass fraction of 18%, 0.2%-0.7% of an initiator, 5%-10% of methylene bisacrylamide, 2%-5% of EDTA, 2%-5% of quaternary ammonium salt cationic monomers, 0.2%-0.8% of fluorine-containing polyfunctional acrylic ester and the balance water. The preparation method includes steps: A, mixed liquid preparation; B, reaction liquid preparation; C composite emulsion fracturing fluid preparation. The utilization method includes a step of adjusting a mixing weight ratio of the composite emulsion fracturing fluid to water according to a reservoir temperature to prepare working solution. The recoverable biological composite emulsion fracturing fluid has advantages of wide adaptive temperature range and high temperature resistance.

The invention relates to an ethylene-propylene-diene monomer (EPDM) material for a super high and low temperature resistant sealing element and a preparation method of the EPDM material. The EPDM material comprises the following components in parts by weight: 40 parts of EPDM 578f, 30 parts of EPDM 8340A, 30 parts of EPDM 4045, 1-5 parts of HAY organic zinc, 10-50 parts of carbon black N330, 5-20 parts of paraffin oil, 1-10 parts of vulcanizing agent, 1-8 parts of assistant crosslinker and 1-5 parts of peroxide. By adopting different matching technologies and special auxiliaries, the characters of the EPDM material can be improved and optimized, the obtained EPDM material can be used within the temperature range from 50 DEG C below zero to 150 DEG C for a long term, and a sealing product made of the EPDM material can keep an excellent sealing effect within the temperature range from 50 DEG C below zero to 150 DEG C.

The invention relates to the technical field of unmanned aerial vehicles, in particular to a high-sensitivity triaxial unmanned aerial vehicle. The high-sensitivity triaxial unmanned aerial vehicle comprises a bottom frame, a vehicle body is mounted on the base frame, three vehicle arms with the same specification are arranged around the vehicle body at equal intervals, and a rotor wing is arranged on one end of each vehicle arm. According to the high-sensitivity triaxial unmanned aerial vehicle, a Cortex-M4 core processor is adopted to process command data, the response time of the unmanned aerial vehicle is shortened, and meanwhile, the mounting structure of propellers of the unmanned aerial vehicle is changed; only three rotor wings are required to drive the unmanned aerial vehicle to fly, the transmission efficiency of the unmanned aerial vehicle is improved, and the steering radius of the unmanned aerial vehicle reaches the smallest; through the streamlined shell structure, the wind resistance of the unmanned aerial vehicle is the smallest, and the flying parameters can be quickly read by adopting an OSD module of MAX7456 series and are displayed on a displaying screen so thata user can know the flying dynamic state of the unmanned aerial vehicle in real-time; and through cooperated using of a plurality of sensors, and the stability performance and environment adapting performance of the unmanned aerial vehicle are greatly improved.

The invention provides a facultative marine fungi repairing agent modified by double amidoxime groups and a method for repairing uranium-polluted water body. According to the facultative marine fungirepairing agent and the method, the facultative marine fungus Fusarium sp.#ZZF51 is adopted as the substrate, and the facultative marine fungi repairing agent is prepared through condensation, nucleophilic substitution and nitrile group amidoximation reaction. The facultative marine fungi repairing agent is used for repairing the uranium-polluted water body, the specific repairing steps are as follows: A, adding 0.05-0.25 g of the facultative marine fungi repairing agent modified by the double amidoxime groups according to the ratio that each litre contains 20-60 mg of uranyl ions, wherein thepH value of the uranium-polluted water body is controlled to be 3.0-7.0; B, carrying out vibration stirring by adopting a vibration stirring device, wherein the stirring rotation speed is 120-180 rpm, the stirring time is 30-150 min, and the temperature is 18-32 DEG C; and C, after repairing, fishing out the facultative marine fungi repairing agent modified by the double amidoxime groups, transferring the facultative marine fungi repairing agent modified by the double amidoxime groups to a safe place for drying and incineration, and finally, carrying out centralized landfill treatment.

The invention belongs to the field of microbial agents, and particularly relates to a denitrifying bacterium and application thereof in sewage treatment, especially in denitrifying biofilter reinforcement. A strain of the denitrifying bacterium was deposited in CGMCC on September 18, 2017 with the preservation number of CGMCC No. 14620. The application comprises the following steps: preparing an enhanced bacterial liquid; adding distributed water or sewage into a filter tank, and smoldering; draining the distributed water or the sewage, and adding the sewage into the filter tank; stopping theaddition of the sewage, adding the enhanced bacterial liquid into the filter tank, mixing after standing still, and continually adding the sewage. By adopting the method provided by the invention, thestart-up time of a denitrifying biofilter can be greatly shortened, nitrate nitrogen in water can be completely degraded, and the treated water can reach the first-class A standard of a urban sewagetreatment plant; the denitrifying bacterium is wide in application range, good in temperature tolerance and pH tolerance and low in demand for carbon sources, greatly reduces the application costs, and has a great promotional value.

The invention relates to a compositing and compounding process for a bactericide for oilfield wastewater reinjection treatment. The compositing and compounding process comprises steps as follows: (1), hexamethylenediamine is added to a reaction kettle, the temperature is raised in a stirring state, and iminourea hydrochloride is added; (2), the temperature is raised continuously, a thermostatic reaction is performed, and meanwhile, hydrochloric acid is added dropwise to serve as a catalyst; (3), the temperature is raised continuously, and a thermostatic reaction is performed; (4), after the reaction is finished, water and hydrochloric acid are added and uniformly stirred, and a product generated in the reaction is polyhexamethyleneguanidine chloride; (5), polyhexamethyleneguanidine chloride, tetrakis hydroxymethyl phosphonium sulfate, a biquaternary ammonium salt bactericide, nonylphenol polyoxyethylene ether-10, methylisothiazolinone and water are added to a preparation kettle and fully stirred; (6), a sodium hydroxide solution is added, and a pH (potential of hydrogen) value is adjusted to range from 7 to 9. The process has the beneficial effects that the character is stable; adding is simple; various agents are compounded, so that the problem of bacterial resistance is solved; the purpose of quickly killing bacteria in waste through the bactericide with lower concentration is achieved.

The present invention discloses a cable briaded bushing and its production method. It is made up by using diamagnetic metal fibre through the processes of cylinder-making, balling, braiding, winding-forming and packaging, etc.