133 results about "Production engineering" patented technology

The invention discloses a method for managing multisource-isomerism aviation remote sensing data, which comprises the following steps: (1) using geographic regions and production engineering as units so as to realize aviation remote sensing data storage and management; and realizing high-efficient data storage and management served for aviation remote sensing data products by technologies such as tiles and the like; and (2) using a method for dynamically generating a continuous detail level model, establishing a corresponding high-efficient mechanism, and realizing three-dimensional visual issuing and sharing of the aviation remote sensing data products automatically and high-efficiently. According to the invention, the method effectively solves integrated storage and management problems of multisource, multi-time-phase, isomerism aviation remote sensing data in a digital aviation photography measurement producing system.

The invention relates to a serial data bus (10) comprising a data line (12) for transmitting electrical signals representing bit states and a plurality of multi-master subscribers (14, 16) between which messages can be exchanged via the data line (12) in an event-driven manner according to the broadcast principle. At least two subscribers (14, 16) have a transceiver head (18), inductively connected to the data line (12), via which contactless electrical signals (50) are picked up from the data line or transferred thereto. An amplifier (36) is galvanically connected to the data line (12) and is adapted to receive electrical signals (48) that have been inductively transferred by the at least two subscribers (14, 16) to the data line (12) and to feed them back to the data line (12) once amplified. Due to its inductive connection, the data bus is especially low-maintenance and also suitable for hazardous surroundings. The contactless connection makes the data bus (10) especially suitable for use in transport systems in production engineering and generally for use in systems comprising parts that are mobile relative one another and between which a data exchange is desired.

A high-temperature high-pressure tubular-flow erosion corrosion experiment device mainly includes: a high-temperature high-pressure kettle, a first pressure meter, a temperature meter, a sample test tube, an actual object test tube, a sample trough, a magnetic pump, a liquid transporting pipe, and an ultrasonic flow rate meter. The high-temperature high-pressure kettle is used for providing a fluid at certain temperature and under certain pressure. The actual object test tube is connected to a third joint and a fourth joint of the liquid transporting pipe through a second flange. An actual object tube is fixed in the actual object test tube through a first corrosion-resistant sealing ring. The sample test tube is connected to a first joint and a second joint of the liquid transporting pipe through a first flange. The sample trough, in which a sample is hung, is formed in the sample test tube. The magnetic pump is used for providing power to the experiment device for driving fluid circulation. The ultrasonic flow rate meter is used for testing the speed of the circulated fluid. The whole experiment device is made of corrosion-resistant alloy and a heat insulation layer covers external walls of all parts, so that temperature loss is avoided. The device is suitable for drilling production engineering of petroleum and natural gas.

The invention discloses a method for improving biosynthesis of levodopa. The method comprises the following steps of: (1) using SEQ ID No.1 and SEQ ID No.2 as the primers, using an E.coli BL21 strain as the template, amplifying and recycling so as to obtain a hpaBC gene segment, conducting double digestion on a pCDFDuet-1 plasmid and the hpaBC gene segment, connecting and preparing a recombinant plasmid pBET1; (2) introducing the recombinant plasmid pBET1 into host escherichia coli so as to obtain transformed host cells; and (3) selecting the transformed host cells so as to obtain a levodopa production engineering bacteria single colony, taking 1ml of the levodopa production engineering bacteria single colony and putting into 100ml of a first culture medium, cultivating and measuring OD600, adding an isopropyl-beta-D-sulfo-pyran galactoside water solution and ascorbic acid, continuing cultivating and measuring the content of the levodopa. By utilizing the method disclosed by the invention, the output of the levodopa is increased, the production cost is lowered, and the operation process is simplified.

The invention discloses an on-site mixed explosive charging vehicle monitoring device and an on-site mixed explosive charging vehicle monitoring method and belongs to the technical field of industrial control. The monitoring device comprises a microcontroller, a mainboard, a camera, a wireless communication module and a wireless communication antenna, wherein the mainboard reads programmable logic controller (PLC) charging parameters, generates a project file, controls the explosive preparing process and starts the camera; video images provided by the PLC charging parameters and the camera are uploaded through the wireless communication module and the wireless communication antenna in turn; and PLC production data generated in the explosive preparing process is analyzed by the microcontroller, transmitted to the mainboard and uploaded through the wireless communication module and the wireless communication antenna in turn. In addition, global position system (GPS) data provided by a GPS module is resolved by the microcontroller, transmitted to the mainboard and uploaded through the wireless communication module and the wireless communication antenna in turn. By the device, the mixed explosive charging vehicle construction process is remotely monitored and accurately positioned.

A microwave geodimeter relates to a distance measuring device, in particular to a high-accuracy noncontact distance measuring device with microwave method, mainly suitable for measuring material lever or liquid lever in containers or storehouses in industrial production engineering. The invention provides a microwave geodimeter which can realize a high-resolution distance measuring by using the prior electric elements. The invention comprises a transmitting device, a receiving device and a signal processing device. The transmitting device is provided with a first clock signal generator, a second clock signal generator, a pulse generator, a local oscillator, a switch, a power amplifier, a ring coupled circuit and an antenna. The receiving device is provided with an antenna, a ring coupled circuit and a low-noise amplifier; the input of the low-noise amplifier is connected with the output of the ring coupled circuit of the receiving device. The signal processing device is provided with a receiving/transmitting switch unit, a filter, a second clock signal generator, a pulse generator, a sampling smoothing circuit, a peak value testing circuit, a microprocessor and a display device.

The invention provides a gelled material for soil solidification, belonging to the technical field of gelled materials. The gelled material comprises the following raw materials in percentage by mass: 20-40% of aluminum dreg micropowder, 30-50% of slag micropowder, 5-20% of fly ash, 10-15% of desulfurized gypsum and 1-5% of additive. The aluminum dreg micropowder adopted by the gelled material disclosed by the invention is aluminum-containing solid waste generated during production engineering of electrolytic aluminum, so that the waste is reused, the cost is saved, and the environment can be protected.

The invention discloses an annular pressure downhole control valve, and belongs to the technical field of oil-gas well engineering. The annular pressure downhole control valve is designed to solve theproblem of annular pressure anomaly in an oil-gas well. The annular pressure downhole control valve comprises a coupling and an outer cylinder which is in fit connection with the coupling; the coupling and the outer cylinder are matched to form a first accommodating cavity and a second accommodating cavity, the first accommodating cavity communicates with a casing pipe, and the second accommodating cavity communicates with the exteriors of the first accommodating cavity and the casing pipe to form a one-way flow channel; and the second accommodating cavity is internally provided with a valvecore which can move along the inner wall of the second accommodating cavity to open or close the one-way flow channel. According to the annular pressure downhole control valve, the abnormal annular pressure in oil-gas well completion and production engineering can be alleviated, integrity and production safety of a wellbore are ensured, the structure is simple, the machining cost is low, and the cost of controlling the annular pressure can be effectively reduced.

The invention provides new genetic engineering bacteria used for producing beta-alanine, having strong synthetic ability and having higher enzyme activity, construction, expression and purification of the high-production engineering bacteria, and methods for synthesis of beta-alanine respectively through whole cell transformation and fermentation liquid direct transformation. A synthetic method comprises the steps: an L-aspartic-alpha-alanine decarboxylase (PanD) gene of lactobacillus plantarum is obtained by a gene engineering method and has the gene sequence number of NC-004567.2, the gene is constructed into a high-efficiency expression vector, then the high-efficiency expression vector is transformed into recipient bacteria, and thus the genetic engineering bacteria for producing beta-alanine are obtained. The genetic engineering bacteria are subjected to fermentation culture, 80 g/L of a substrate can be transformed by whole cells, and the beta-alanine content reaches 59.7 g/L; and the substrate is directly added into a fermentation liquid, the transformation concentration can reach 10 g/L, the beta-alanine content reaches 6.8 g/L, and the synthetic ability is higher than that of conventional reported genetic engineering bacteria.

The invention relates to a design method of a middle blank and a prefabricating blank during a nuclear power and hydrogenation reaction chamber conical shell forgeable piece forming process, which belongs to the filed of forging and is suitable for the production engineering and a manufacturing process of nuclear power and hydrogenation reaction chamber conical shell forgeable piece forming. The invention adopts a method of combining an analysis method and finite element modeling to develop a dimension relational expression of the prefabricating blank, the middle blank and a final forgeable piece during the nuclear power and hydrogenation reaction chamber conical shell forgeable piece forming process and provides the design method of the middle blank and the prefabricating blank. The design method and a design formula of the middle blank and the prefabricating blank during the nuclear power and hydrogenation reaction chamber conical shell forgeable piece forming process are suitable for producing significant parts, such as megawatt nuclear power conical shells, large-sized hydrogenation reaction chamber conical shells, and the like; when the middle blank and the prefabricating blank designed by the design method are adopted to produce conical shell forgeable pieces, the middle blank and the prefabricating blank designed by the design method can nicely control the conicity of the conical shell forgeable pieces, thereby solving the problem of the difficult forming and the unreliable machining dimension precision of traditional conical shell forgeable pieces.

The invention discloses a pipe making machine which comprises an unwinding area, a forming area, a welding area, a polishing area, a straightening area and a cutting area. The unwinding area, the forming area, the welding area, the polishing area, the straightening area and the cutting area are sequentially arranged along a roll material steel plate conveying direction. An unwinding shelf is placed in the unwinding area and is used for placing roll material steel plates; multiple groups of pipe fitting forming mechanisms are placed in the forming area and are used for gradually forming the steel plates into round pipes; and a welding mechanism is placed in the welding area and is used for welding gaps on the round pipes. The pipe making machine has the beneficial effects that (1) by applying the unwinding shelf to the pipe making machine, materials can be conveniently unwinded and winded, so that the material unwinding and winding efficiency is high, and the 'zero' time for replacementcan be realized by adopting double-station unwinding; and (2) by adopting the side wheel seat forming mechanism, a right-and-left threaded screw rod drives two slide block nuts to gather together toward the middle or be separated toward two sides at the same time, so that the position of a forming mould is quickly adjusted; and the positions of the upper ends of two fixed shafts are adjusted andlimited through an adjusting assembly, so that the position stability of the forming mould in production engineering is ensured.

The invention describes a construction method of arginase production engineering bacteria and application of the arginase production engineering bacteria in production of L-ornithine by transformation of L-arginine, and belongs to the technical field of biological engineering. According to the method, by means of molecular biology, thermophilic bacteria Bacillus caldovelox (DSM411) is cloned to obtain arginase gene, a constructed expression plasmid is transfected into E.coli BL21 (DE3), and expression vector high-copy recombine ant arginase-containing engineering bacteria pET28a-ARG is obtained by kanamycin resistance plate screening. The enzyme can still show high activity after induced expression in E.coli. The bacteria obtained by fermentation can be directly used for transformation without breaking, in the condition of 60 DEG C, the engineering bacteria has higher permeability, and is more conducive to the substrate uptake and product release, the reaction speed is greatly improved, the transformation period is only 2-4h, the ornithine yield can reach 120.1g/L, and the transformation rate is 98.9%.

The present invention provides a test device for the flexible life of a coiled tubing. The device comprises a motor, a crank, a first rotating hinge, a connecting rod, a first hydraulic rod, second rotating hinges, a coiled tubing, a clamp, an air inlet, a second hydraulic rod, a first support, a second support, a third support, a crossbeam and a connection shaft. The crank, the connecting rod and the coiled tubing form a crank and rocker mechanism; the first hydraulic rod and the second hydraulic rod which are configured to apply tension load to the coiled tubing are able to rotate around the second rotating hinges and drive the coiled tubing to rotate back and forth along the swing locus; the air inlet is configured to apply internal pressure to the coiled tubing; the motor is started, the crank is configured to drive the coiled tubing under the action of internal pressure and the tension load to do reciprocating motion along the swing locus, and the degree of crook and the angle of the swing locus of the coiled tubing are changed by changing the length of the crank, so that the flexural fatigue characteristic test of the coiled tubing in different conditions are realized. The test device for the flexible life of a coiled tubing is suitable for the field of the petroleum and natural gas drilling and production engineering technology.

The invention provides an oil-gas well tubular column annulus extreme pressure prediction method. The method includes the steps of obtaining tubular column pressure state information, obtaining the safest tubular column external pressure model when the given tubular column internal pressure value is included in the tubular column pressure state information, obtaining the safest modulator tube internal pressure model when the given tubular column external pressure value is included in the tubular column pressure state information, comparing the tubular column external pressure model and/or the tubular column internal pressure model with the tubular column external pressure value and/or the tubular column internal pressure value in the tubular column pressure state information, and judging whether a current tubular column is safe or not according to the comparison result. In this way, by predicating the minimum allowable pressure, the maximum allowable pressure and the safest pressure of the gas-well tubular column annulus, the gas production engineering scheme design and the gas well safe production management and control are guided; by predicting the balance pressure of the oil-gas well fracturing tubular column annulus, safety of fracturing tubular columns is ensured.

The invention discloses a preparing method to produce engineering plastics on line modify, which comprises the following steps: getting finite molecular weight molten state polymer through continuous polymerization; delivering to twin-screw extruder on line directly; adding right amount auxiliary agent based on the demand of product; mixing evenly through twin-screw extruder; squeezing; getting the product. This invention possesses merits of low power, low preparing cost and stable quality, which can be used to produce engineering plastics product.

The invention discloses a biomass tar combustion system and method, belongs to the technical field of biomass pyrolysis, and aims to solve the problem that pyrolysis oil of pyrolytic carbon gas-oil co-production engineering. The biomass tar combustion system comprises a pyrolysis reaction furnace, a gas-liquid separator, an oil-water separator, a pyrolysis gas buffer tank and a combustor, whereinthe pyrolysis reaction furnace is connected with the gas-liquid separator; the lower end of the gas-liquid separator is connected with the oil-water separator; the upper end of the gas-liquid separator is connected with the pyrolysis gas buffer tank; the oil-water separator is connected with the combustor; and the output end of the combustor is connected with the pyrolysis reaction furnace. The centralized biomass pyrolysis tar combustion system in an embodiment of the invention is simple in technological process and is convenient to operate. A continuous pyrolysis oil-gas cofiring system in another embodiment takes pyrolysis gas as a main combustion material, tar only serves as a combustion-supporting material and is sprayed into the system, combustion is sufficient, fire cut can be avoided, and flue gas discharge reaches the standard easily.

The invention provides a communication module detection method and system based on NB-IOT Internet of Things.. The method comprises the following steps of: at a telecommunication NB-IOT platform, a mobile device identification code of the communication module is registered, and after the registered communication module is loaded on the whole machine, the mobile device identification code of the registered communication module and the product serial number of the whole machine are pasted on the surface of the whole machine; A complete machine is placed on a conveyor belt, when the complete machine reaches a fixed position, a code scanner collects a mobile device identification code of a registered communication module and a product serial number of the complete machine, and sends the mobiledevice identification code of the registered communication module and the product serial number of the complete machine to a testing device; the Telecommunications NB-IOT platform writes the productserial number of the whole machine into a registered communication module and determines a writing result; And the test device marks and processes the writing result. According to the scheme providedby the invention, the whole machine production project is tested, and meanwhile, the test efficiency can be effectively improved.

The invention disclose an assembling-type ink-jet printer ink box which comprises an outer shell and an ink box body, wherein the outer shell and the ink box body are matched with each other after formed independently, the outer shell is provided with an opening which is used for placing of the ink box body, the ink box body is provided with an ink containing portion, an ink supply portion, an ink supply path, a snake-shaped groove and the like, the ink containing portion stores ink, the ink supply portion ensures continuous supply of the ink, the ink supply path ensures the stable ink supply, and the snake-shaped groove is arranged for injection of air. Compared with the prior art, the assembling-type ink-jet printer ink box is an epoch-making high-quality ink box product, a porous body is not used, production engineering is reduced, production efficiency is improved, quality of the ink box is stabilized, the residual ink is reduced, and production cost is lowered. Meanwhile, when the outer shell and the ink box body are assembled, any tools and equipment are not needed, operators only need easy operation and assembly of the outer shell and the ink box body can be finished, the outer shell and the ink box body have different functions, components are simple in structure, the functions are integrated, and working hours are reduced. Due to the fact that production and assembly are easy, quality and efficiency are improved by a large margin.

The invention belongs to the technical field of oilfield production engineering, relates to a horizontal well no-throttle straddle-type double-sealing single-grip fracturing process, and solves the technical field of the existing technology that the throttle construction emission is small and the pressure bearing index is low, and can satisfy the large-scale fracturing construction requirements. A well-connected device is put into a sleeve 2 and then a fracturing layer, a Y211 packer 8 is set, and then a pipe pole is pressed down and then a Y111 packer 6 is set, and a large sand-amount sand spraying device 7 works and fracturing is started. After fracturing, the pipe pole is lifted upwards, a pressure balance valve 3 opens, the device is continuously lifted upwards and the Y211 packer 8 and the Y111 packer 6 are released. The setting and the releasing adopt the mechanical way, the construction efficiency is high, the pressure bearing index is high, and the horizontal well no-throttle straddle-type double-sealing single-grip fracturing process is more suitable for large-scale multi-stage multi-group fracturing construction.

The invention belongs to the technical field of oil and gas exploration and development, and particularly relates to a method and device for prediction while drilling of gas reservoir output. The method for prediction while drilling of the gas reservoir output, namely the natural gas output, comprises the steps of establishing a gas reservoir output prediction model according to gas reservoir dataof a drilled well; predicting the gas reservoir output of a drilling well according to the established gas reservoir output prediction model through the gas reservoir data of the drilling well; and analyzing the potential capacity of the drilling well. The device for prediction while drilling of the gas reservoir output comprises a prediction model establishing module and a prediction analysis module. The natural gas content in broken rock is recovered through the drilling data, logging data and the like, the recoverable gas content index is figured out, and on this basis, the well natural gas output is predicted according to the total volume of a reservoir stratum within the gas production radius range. The method can be applied to assessment of the overall mining potential of the natural gas drilling well and a gas reservoir in the development stage and provides a basis for completion program design and gas production engineering ground construction.

A circuit arrangement includes a bit line (10), a reference bit line (12), a sense amplifier with two cross-coupled CMOS inverters, which in each case comprise an n-channel transistor (20, 22) and a p-channel field-effect transistor (30, 32), and also, at the respective source terminals, two voltage sources (40, 42), of which the voltage source (40) linked to the n-channel field-effect transistors can be driven from a lower through to an upper potential and the voltage source (42) linked to the p-channel field-effect transistors (30, 32) can be driven from the upper through to the lower potential. With this circuit arrangement, it is possible to store three different charge states in the memory cell (4) on the bit line (10) if the threshold voltages (U_TH1, U_TH2) at the transistors are chosen to be greater than half the voltage difference between the lower and upper voltage potentials. This can be achieved by production engineering or, for example, by changing the substrate bias voltage. The third charge state can be utilized for binary logic or for detecting a defect in the memory cell (4).

The invention discloses a novel pressure calibrator for engineering production, which includes an oil pipe, a piston cavity and a stepping motor. The oil pipe is connected with a measuring tube, and a pressure valve is arranged under the measuring tube, and one of the measuring tubes is connected with a pressure gauge to be calibrated. , the measuring tube on the left side of the pressure gauge to be calibrated is provided with an oil cup, and the measuring tube on the left side of the oil cup is provided with a piezoelectric sensor. The motor is connected with the coupling through the gear transmission mechanism, the coupling is connected with the lead screw, the right side of the stepping motor is connected with the manual crank, and the sliding guide rail is set under the stepping motor, and the pressurized piston is connected with the lead screw. This device is equipped with a precision pressure gauge on the oil pipe to realize the comparison between the calibration instrument and the instrument to be calibrated. The calibration accuracy is high, and the standard pressure can be generated by electric and manual methods. It is flexible, light, and has high work efficiency. Cost saving, safe and reliable.

A production installation having at least two process modules (P1, . . . , Pn) that can be connected to one another for production engineering purposes and a communication network (2), wherein each process module (P1, . . . , Pn) has an electronic device by means of which the respective process module (P1, . . . , Pn) can be connected to the communication network (2) for communications engineering purposes and is set up to control and/or regulate the respective process module (P1, . . . , Pn) to independently carry out a particular process section of the production.

The invention discloses a method and a device for determining the influence degree, and a storage medium, belonging to the field of oil production and gas production engineering of the petroleum industry. The invention respectively determines a fitting straight line corresponding to each production parameter by acquiring system efficiency of each oil and gas well in a plurality of oil and gas wells, and neutralizing production data of each oil and gas well and a plurality of production data corresponding to a plurality of production parameters one by one. Since the slope of the fitting straight line corresponding to each production parameter can reflect the variation trend between each production parameter and the system efficiency of the oil and gas well, the influence degree of each production parameter on the system efficiency of the oil and gas well can be determined based on the fitting straight lines corresponding to the plurality of production parameters respectively. The invention avoids the malpractice that the field workers only take measures against the specific production parameters which affect the system efficiency of oil and gas wells in the process of adjusting oiland gas wells, and thus improves the adjustment efficiency of oil and gas wells.

The invention relates to an automatic collecting and water-circulating device suitable for finished materials discharged from a sorter in the diamond fine powder production engineering and a use method thereof. The automatic collecting and water-circulating device comprises a main settling tube and an auxiliary settling tube connected with the main settling tube through a connecting tube; a built-in tube is arranged at the center of the main settling tube and is arranged in the axial direction, the lower end of the built-in tube is in sealing contact with the bottom surface of the main settling tube, the upper end of the built-in tube is flush with the top surface of the main settling tube, and a feeding port is formed at the upper part of the built-in tube, and a discharging port is formed at the lower part of the built-in tube; a connecting tube connector is respectively arranged at the upper part of the main settling tube and that of the auxiliary settling tube; one end of the connecting tube between the main settling tube and the auxiliary settling tube is communicated with the connecting tube connector in the upper part of the main settling tube, and the other end of the connecting tube extends into the bottom part of the auxiliary settling tube through the connecting tube connector in the auxiliary settling tube. The invention has the beneficial effects that a sensing detection and control device is not required, the automatic collecting and water-circulating device has the advantages of simple structure, easiness for function realization and low resource consumption, and the purified water circulation can be realized.