289results about How to "Simple on-site operation" patented technology

The invention discloses a heat-resisting interpenetrating polymer network plural gel profile control agent. The heat-resisting interpenetrating polymer network plural gel profile control agent is characterized by being composed of the following components including (a) sodium silicate, (b) cross-linking agent which is a hydrolysable ester compound, (c) cross-linking agent which is selected from compounds of phenolic resin cross-linking agent, chromium lactic, aluminum citrate or zirconium citrate, (d) polymers which are selected from hydrolytic polyacrylamide, xanthan gum or cellulose, (e) additive I which is selected from sodium bentonite, calcium bentonite or nano silica, (f) additive II which is selected from diatomite or silicate, and (g) water. The invention also provides a preparation method of the heat-resisting interpenetrating polymer network plural gel profile control agent.

The invention discloses a convenient apparatus for sampling water bodies having different depths from underground/surface water, and a method thereof. The apparatus comprises a telescopic connecting rod, and the bottom of the telescopic connecting rod is provided with a plurality of detachable sampling bottles; a reel is arranged at the fixed end at the top of the telescopic connecting rod, and a wheel skidding fixed device is arranged at the extension end at the bottom of the telescopic connecting rod; a plurality of rails are respectively arranged on the reel and the wheel skidding fixed device, a lifting rope is wound on every rail, and the quantity of the lifting ropes is same to that of the sampling bottles; and the top of every sampling bottle is provided with a sampling bottle cap and a check valve device, and the bottom of the lifting ropes are respectively connected with the check valves. The sampling apparatus is placed in the water, the lifting ropes corresponding to the sampling bottles are respectively stretched, and the corresponding check valve devices are opened to collect the water bodies. The apparatus and the method have the advantages of manpower saving, great reduction of the interference of disturbance of the water bodies, caused by repeated water collection in the sampling process, to the components of the water bodies, and provision of a strong technical foundation for the water environment investigation work.

The present invention discloses water treating agent containing methoxy naphthalene as fluorescent marker. The water treating agent is prepared through the first reaction of 4-chloro-1, 8-naphthalic anhydride, glacial acetic acid and 3-dimethylamino propylamine to obtain 4-chloro-N-3-dimethylamino propyl-naphthyl imide; the subsequent reaction with sodium methoxide to introduce methoxy group and obtain 4, 4-methoxyl-N-3-dimethylamino propyl-naphthyl imide, which is reacted with allyl chloride to obtain quaternary ammonium salt of 4-methoxyl-N-3-dimethylamino propyl-naphthyl imide allyl chloride as fluorescent monomer with fluorescent characteristic and double bond; and the final polymerization with phosphorus containing compound, acrylic acid and other monomer to obtain the multifunctional water treating agent with corrosion retarding, scale inhibiting, dispersing and fluorescent tracing functions.

The present invention discloses a fluorescence labeled acroleic acid-sodium allylsulfonate copolymer and a method for preparing the same. The method comprises the following steps: 4-bromine-1,8-naphthalic anhydride, methylamine, N-methyl diethylenediamine, and the like are used as material and is subject to amidation reaction, amination reaction, and quaternization reaction to be synthesized, and a novel fluorescence monomer 4-(N'-methyl-1-diethylenediamine)-N-methyl-1,8-naphthalimide allyl chloride quaternary ammonium salt is obtained by synthesis; and then the fluorescence monomer is copolymerized with sodium hypophosphite, acroleic acid and sodium allylsulfonate to obtain the FC-AA-SAS product. The raw materials for synthesizing the fluorescence monomer and the polymer are easy to obtain and the reaction conditions are mild. When the product is used in circulating water, the thickness of a medicament in a circulating water system can be accurately, duly and quickly measured through the variation of the fluorescence intensity, and the on-line medicine addition and the quantitative control are realized. Therefore, the on-site operation is largely simplified, and the management level is improved. The functional groups, such as sulfonic group, phosphino group and the like, are introduced into molecules, and thus the polymer has a plurality of functions, such as fluorescent tracing, anti-precipitation, disgregation and the like.

A phosphino-based mapropyl copolymer containing fluorescent group and its production are disclosed. The process is carried out by taking 4-bromine-1,8-naphthalic anhydride, glacial acetic acid and N, N-dimethyl-ethylenediamine as raw materials to obtain 4-bromine-N-(2-N,, N,-dimethylbenzidine-ethyl)naphthalimide, reacting it with sodium methoxide to induce methoxy-group to obtain 4-methoxy-N-(2-N,, N,- dimethylbenzidine-ethyl)naphthalimide, reacting it with allyl chloride to obtain fluorescent monomer 4-methoxy-N-(2-N,, N,- dimethylbenzidine-ethyl)naphthalimide allyl ammonia chloride with fluorescent characteristic and double-bond, polymerizing it with sub-sodium phosphate, maleic anhydride, acroleic acid and propenyl-sodium sulfate to obtain the final product. It has fluorescent tracting, corrosion-inhibting, scale-inhibiting and dispersion functions.

The invention discloses a drain-type pipe piece for tunnel lining. The drain-type pipe piece comprises a reinforced concrete pipe piece (1), a slurry injection hole (or a hoist hole) (1a) in the pipe piece (1), a load bearing steel bar (1b), and a concrete protective layer (1c) on the outer side; a water stop rubber block (2) capable of being expanded when being in contact with water is preburied in the concrete protective layer (1c) right opposite to one or two slurry injection holes (1a) of the pipe piece (1); a self-advancing type hollow anchor rod (3) is inserted in the slurry injection holes (or the hoist hole) (1a) of the pipe piece (1), then penetrates the water stop rubber block (2), and shoots out of the concrete protective layer (1c); and drain holes (3a) are formed in the rod wall of the outer end of the self-advancing type hollow anchor rod (3), and a filter column (4) used for filtering sand is plugged in the inner cavity of the self-advancing type hollow anchor rod (3). Lining built with the pipe pieces has a reliable drain function, and can reduce water pressure around the structure to ensure tunnel safety; and construction is convenient, small damage is caused to the pipe piece lining structure, and construction cost of the pipe piece lining is low.

The invention mainly aims to provide an in-situ remediation method aiming at dispersible petroleum-contaminated soil, which is used for remediating dispersible non-uniformly petroleum-contaminated soil. By means of adjusting the operation technical parameters such as adding amount and adding frequency of an agent and changing the technical parameters according to different positions and different contamination degrees, in-situ remediation is performed on petroleum contamination at an oil well site. A movable integral agent adding device is adopted and is internally provided with an H2O2 and catalyst iron solution tank. H2O2 is sprinkled by using a spray head; and the H2O2 utilization efficiency is higher in a low-dosage multiple H2O2 adding mode, so that the remediation of the dispersible petroleum-contaminated soil is realized. The in-situ remediation method has the advantages of simple treatment process, flexible operation mode, high H2O2 utilization rate, low process and engineering operation cost, high treatment efficiency, contribution to subsequent biological remediation process and obvious economic benefit and environmental benefit.

The invention discloses a device for calibrating the lineup of a dragging linear array. The hardware of the device mainly comprises a calibration sound source, a receiving hydrophone array, a signal acquisition transmission module array and a data processing module. The lineup calibration process mainly comprises the following steps: (1) calibrating a sound source to transmit a calibrated submarine sound signal in a system synchronous clock; (2) according to the system synchronous clock, enabling the signal acquisition transmission module array to start work while the sound signal is transmitted, that is, a timer starts timing and hydrophones acquires data; (3) recording the timing time of the timer while the signal acquisition transmission module array acquires the transmitted calibrated submarine sound signal, and transmitting the timing time to the data processing module; (4) estimating the distances between the hydrophones and the calibrated sound source according to the timing time; (5) estimating the coordinates of hydrophones through the data processing unit according to the estimation results in combination with depth sensor data, thereby realizing lineup calibration. By adopting the device and the method, position calibration of array elements of a dragging array can be conveniently achieved.

The invention discloses a method for treating landslide of a tunneling working face with pipe penetration combined lagging jacks. The method comprises the steps that lantern ring lagging jacks (2) are installed in a safe area (1) of a tunnel one by one, wherein a certain number of lantern rings (3) are welded to the outer sides of the lantern ring lagging jacks (2); a steel pipe (4) penetrates through the lantern rings (3) of the lantern ring lagging jacks (2) in sequence and finally extends to the working face (5); sectional support lagging jacks (7) are installed on the portion, in a landslide area (6), of the steel pipe (4), wherein the adjacent lagging jacks are connected through horizontal pull rods (8), and a metal net (9) is laid above each sectional support lagging jack (7); a concrete pumping pipe (10) and an exhaust pipe (11) are reserved at the deepest landslide position. The invention discloses the specific method for combining and using the pipe penetration combined lagging jacks during treatment of landslide of the tunneling working face. The method effectively solves the problems of existing tunnel landslide treating methods that period is too long, the number of procedures is large, cost is high, and risk is high.

The invention discloses an oil base drilling fluid parameter design method. The oil base drilling fluid parameter design method sequentially includes the following steps: physical properties and structure properties of stratum rock are tested though tests; according to the physical properties and the structure properties of the stratum rock, pore structures of typical mineral and the stratum rock are built, a combined characterization model of oil base drilling fluid parameters to wettability of the stratum rock and an oil base drilling fluid system is built, and a relational graph between the oil base drilling fluid parameters and the wettability is drawn; a well wall stable fixed mechanics model of the stratum rock and the oil base drilling fluid system under the wettability condition is built, and a relational graph between the oil base drilling fluid parameters and the well wall stability is drawn; according to the relational graph between the oil base drilling fluid parameters and the well wall stability, the oil base drilling fluid parameters are determined. According to the oil base drilling fluid parameter design method, a window of the designed oil base drilling fluid parameters is accurate and reachable, the effect of the oil base drilling fluid on keeping the well wall stability can be evaluated in a quantitative mode, underground complex conditions are prevented, and the cost of the oil base drilling fluid is reasonably controlled.

The invention discloses an initiation controller of an electronic detonator and a control method thereof. According to the initiation controller, a photoelectric coupler is used in a communication unit, so that electric signals are isolated, and the safety and reliability of communication are increased; the PC (Personal Computer) communication unit is used, so that two-way communication between the initiation controller and a PC is realized, and the blasting sequence is designed in advance by virtue of the PC, so that automatic setting is realized, thereby simplifying spot operation; a communication module of the electronic detonator is used, so that two-way communication between the initiation controller and the electronic detonator is realized, and accurate management and control of the initiation controller over the electronic detonator in an initiation process are guaranteed; an authorizing device and a locking device are used in a human-computer interaction unit for double insurance, so that the safety of the initiation controller is greatly increased; positioning information is obtained by a positioning unit on the basis of a Beidou positioning chip, so that the electronic detonator is accurately positioned, thereby guaranteeing an automatic setting function that the delay time is intelligently distributed according to position information of the electronic detonator.

The invention relates to a method for reinforcement repair of a metal pipeline with the defect, which is particularly suitable for on-site operations under the condition of continuous transmission of the pipeline. The method is characterized in that: after the surface of a pipe body is treated by using sand blast (recommended) or an electric angle grinder, the defect 2 is filled and leveled up by hot spraying metal alloy, and the surface of the integral circle of the pipe body 1 is sprayed to form a metal alloy basement layer 3, wherein the metal alloy basement layer has the excellent compression strength; a fiber resin composite 4 formed by fibers and an epoxy bonder is wound on the basement layer, the cured fiber resin composite has the high tensile strength and elastic modulus, so the fiber resin composite limits the radial dilatational strain at the defect, and reduces the stretching stress and stretching strain at the defect through the metal alloy basement layer to realize the reinforcement repair on the defect of the pipeline.

The invention provides a channel section steel production system and a production method thereof. The channel section steel production system comprises a feeding device, a heating device, a hot-rolling unit, a roll-bending unit and a fixed-length cutting device which are sequentially arranged. Flat steel blank raw materials are selected, heated through an electric induction heating device and then are fed into rolling mills of two machine frames to be subjected to rolling deformation, a first pass is used for thickness decrease, a second pass is used for plate shape forming of cross sections of rolled pieces before hot bending, and the two machine frames conducts deformation rolling on the raw materials simultaneously in a continuous-rolling state. By the adoption of simplified two-pass hot rolling, the thickness and plate shapes all cross section of flattened and spread channel section steel are rolled, waste heat is utilized to conduct hot bending forming on the continuous roll-bending unit, and fixed-length sawing, cooling and finishing are performed to obtain channel section steel products. The production method is simplified, hole type rolling pass is simplified, production difficulty is reduced, and the production success rate and finished material rate are improved. The number of the rolling mills is decreased, a production line is shortened, short-process production is achieved, and investment and follow-up maintenance cost are reduced.

The invention relates to a dressing method for high-phosphor-content oolitic hematite. The dressing method has the technical scheme that the method comprises the following steps that 1, high-phosphor-content oolitic hematite ore with the crushing granularity smaller than 20mm to 30mm is fed into an ore grinding machine, and the high-phosphor-content oolitic hematite is subjected to continuous two-section ore milling until the ore with the ore fineness smaller than 0.074 accounts for about more than 90 weight percent; 2, the milled ore pulp passes through a pulp removing hopper for removing sludge smaller than 0.020m, and the removed sludge is directly subjected to tail-escaping; 3, the ore pulp subjected to the sludge removal is subjected to twice continuous wet type strong magnetic sorting, tailings in the first strong magnetic sorting and tailings in the second strong magnetic sorting are directly discharged into a tailing storage pool; 4, the hematite ore pulp subjected to the strong magnetic sorting is subjected to re-sorting by a table concentrator to obtain coarse particle hematite concentrate; 5, the re-sorted table concentrator middlings and tailings after the coarse particle hematite concentrate sorting are mixed, then, a one-coarse one-sweep and three-concentration floatation process is adopted, fine particle hematite concentrate is obtained, the two parts of hematite concentrate including the coarse hematite concentrate and the fine hematite concentrate are mixed, dephosphorizing agents are added for stirring treatment, and the final oolitic hematite concentrate is obtained. The method has the characteristics that the process flow is simple, the in-site operation is simple, the cost is low, the grade of the oolitic hematite concentrate is high, and the recovery rate is high. The TFe grade of the obtained oolitic hematite concentrate is higher than 58 weight percent, P is less than 0.12 weight percent, and the recovery rate is higher than 70 weight percent.

The invention discloses a method for testing initial position angle of a motor rotor and solves the technical problem that the prior art is high in requirements on initial position angle testing conditions of the motor rotor and difficult in actual operation. The method includes following steps: step 1, applying a current i on a to-be-tested motor to enable the same to run; step 2, after the motor runs, enabling the current i to be zero; step 3, measuring voltage ud and uq of a shaft d and a shaft q of a motor stator; step 4, calculating according to a triangular function relation between ud and uq to acquire initial position angle deviation theta err of the motor rotor. The initial position angle deviation of the motor rotor is calculated by directly using the voltage of the d shaft and the q shaft of the motor stator, and corresponding relation between voltage at the motor end in a motor controller and the initial rotor position angle is made clear; the method is simple and suitable for engineering site operation; online fault diagnosis and error correction control can be realized, and system function safety can be improved.

The invention discloses a novel plugging material, comprising the following components in percentage by weight: 0.1-0.4 parts of fiber, 0.5-2.5 parts of shell, 2-4 parts of saw dust, 3-6 parts of rubber powder, 1-5 parts of mica, and 1-5 parts of roseite. The plugging material has the advantages that the plugging effect is obvious, the plugging material is made without other complex process; the cement slurry with the plugging material is good in liquidity and easy to confect in the field without other rigorous requirements to ground construction apparatus; the cement strength is developed fast and is proper, so as to avoid new borehole in drilling and plugging processes, thus completely satisfying the field needs.