87results about How to "Reduce production pressure" patented technology

The invention relates to an automatic feeding and discharging robot unit for automatic machining equipment and method. The equipment comprises a equipment frame, cargo material trolleys, a tray servoassembly, a station tray rollway, a double-triaxial robot assembly, a feeding and discharging conveyor belt and a total controller, wherein the two cargo material trolleys are provided and connected to the front side of the equipment frame in a buckled, left-and-right side by side mode, the tray servo assembly is mounted in the front lower portion of the equipment frame, the station tray rollway is mounted in the middle of the equipment frame, the double-triaxial robot assembly is mounted in the rear upper portion of the equipment frame, the feeding and discharging conveyor belt is fixedly connected to the rear side of the equipment frame, and the total controller is electrically connected with and controls the tray servo assembly, the station tray rollway, the double-triaxial robot assembly and the feeding and discharging conveyor belt; a machining material is placed in a material tray, and is conveyed to the front of the equipment frame from the cargo material trolley on the left side, and after the cargo material trolleys are connected with the equipment frame in a buckled mode, the tray servo assembly brings and conveys the material to the feeding and discharging conveyor beltby the double-triaxial robot assembly through tray rollways; and machined finished products are reversely conveyed to the cargo material trolley on the right to complete feeding and discharging. According to the automatic feeding and discharging robot unit and the method, full automation of workshop production can be realized, and the production efficiency is improved.

The invention relates to a production method of austenitic stainless steel, which comprises the following steps of: a, mixing different low-grade nickel-chromium pig iron in an electric furnace, blowing, desiliconizing and decarbonizing to obtain a stainless steel mother liquor; preparing Cr to be about half of a finished product according to the content requirement of a stainless steel finished product, and properly preparing Ni in the stainless steel mother liquor in the electric furnace by using a grade high-carbon ferrochrome; b, adding the stainless steel mother liquor obtained in the step a to an AOD furnace, adding the high-carbon ferrochrome, laterally blasting air, oxidizing by using a gun and flowing out slag; c, adding metallurgical lime, high-carbon ferrochrome, ferronickel and waste steel to carry out primary decarbonization and secondary decarbonization, adjusting carbon content to the level required by the finished product; and e, finely adjusting components and adjusting temperature in an LF furnace to obtain the austenitic stainless steel. The invention has the advantages of low energy consumption, low cost and stable product quality.

The invention relates to the technical field of electronics, and discloses an array substrate, a display module and electronic equipment. The array substrate comprises a substrate body and first basic points which are in matrix arrangement on the substrate body; the first basic points comprise M display pixels, M infrared sensing units and N infrared light emitting units which are arranged together, wherein M and N are both positive integers, and M is greater than or equal to N; and the substrate body also has signal circuits of the display pixels, the infrared light emitting units and the infrared sensing units. According to the embodiments, by integrating the infrared light emitting units, the infrared sensing units and the display pixels of the display apparatus together, the structural design difficulty of the electronic equipment can be lowered and open pores can be reduced; in addition, the infrared sensing units can be used for fingerprint identification as well as iris identification, so that multifunction is realized and cost can be lowered; and meanwhile, the fingerprint identification function is realized in a display region, so that fingerprint identification flexibility is improved, and convenience in use of a user can be achieved.

The invention discloses an oil field oil-water well fracturing craft method of biological enzyme agent, which is characterized by the following: building the mixed biological enzyme agent and water or biological acid or antisludging agent or liquid nitrogen as fracturing fluid; forcing the fracturing fluid into the oil well or water well through the fracturing vehicle; pressing the fracturing fluid into the crack; opening the well after 72 hours. The biological enzyme agent penetrates the hole throat then enters into the microscopic hole gap, which attaches the rock surface and denudes the raw oil to improve the earth penetration factor. The method improves the water wet effect and washes the spalling oil film, which improves the recovery factor of raw oil.

The invention provides a removal method for calcium and strontium impurity irons in a rare earth feed liquid. The removal method comprises the following steps: kalifying and performing a reaction; performing an ageing reaction; performing centrifuge dripping; and performing high-temperature calcining. The rare earth feed liquid is a lanthanum chloride, cerium chloride or lanthanum cerium chloridefeed liquid containing calcium chloride and strontium chloride, wherein the concentration of lanthanum chloride, cerium chloride or lanthanum cerium chloride are 100 g/L-150 g/L, and the sum of concentrations of calcium oxide and strontium oxide is 0.5 g/L-15 g/L. By controlling the conditions such as reaction temperature, stirring time, pH value and settling time in a reaction process of sodium carbonate and a rare earth chloride solution, rare earth elements in the feed liquid are settled fully, and meanwhile, calcium and strontium ions are left in the solution, so that rare earth and calcium and strontium impurities are separated efficiently; and the removal method is stable in process and economical and environment-friendly.

The invention relates to 100 mm-120 mm Q460D extra-thick high-strength steel which comprises the following chemical components including, by mass, 0.10% to 0.13% of C, 0.30% to 0.50% of Si, 1.40% to 1.60% of Mn, less than or equal to 0.0070% of P, less than or equal to 0.0020% of S, 0.020% to 0.050% of Nb, 0.008% to 0.020% of Ti, 0.020% to 0.040% of Al, 0.10% to 0.20% of Cu, 0.10% to 0.20% of Cr, 0.10% to 0.20% of Ni and the balance Fe and inevitable impurity elements. The production process flow comprises the following steps of converter smelting, LF refining, RH vacuum degassing, Ca treatment, continuous casting, casting blank dehydrogenation treatment, heating, normalizing rolling, air cooling, steel plate stacking and slow cooling and unstacking. The yield strength of a steel plate ranges from 430 MPa to 470 MPa, the tensile strength ranges from 550 MPa to 570 MPa, the ductility is larger than or equal to 20%, and the Charpy impact energy at the 1/4 position and the 1/2 position of the thickness of -20 DEG C is larger than or equal to 200 J. The flaw detection result meets the ASTM A 578C level requirement, and the surface of the steel plate has no defect.

The invention discloses an avibactam intermediate, and a preparation method of the avibactam intermediate. The preparation method comprises the steps of allowing a compound II to react with a sulfonation reagent in the presence of an alkaline agent and then react with the alkaline agent to form the avibactam intermediate, wherein the alkaline agent is trialkylamine, pyridine, alkylpyridine, N-alkylpiperidine, dialkyl phenylamine or dialkyl benzylamine; alkyl in trialkyl amine is C5-8 alkyl; alkyl in alkyl pyridine in C1-4 alkyl; alkyl in N-alkylpiperidine is C1-4 alkyl; alkyl in dialkyl phenylamine is C1-4 alkyl; and alkyl in dialkyl benzylamine is C1-4 alkyl. Compared with the traditional method, the method adopts the alkaline agent with appropriate alkalinity to substitute the traditional alkaline agent; the alkaline agent can react with the compound II in a step directly with the sulfonation reagent; the post-treatment is simple; and the method is more suitable for industrial mass production.

The invention provides an underground oil and gas nozzle and relates to a high-pressure oil and gas well throttling device working under the ground. The underground oil and gas nozzle comprises a hollow cylindrical main body; an oil nozzle is formed at one end of the main body and is a hollow cone; and lock blocks are also obliquely arranged on the main body. The underground oil and gas nozzle has the benefits that the production pressure is reduced, the wellhead temperature is improved, the generation conditions of hydrates are damaged, and the hydrates can be effectively prevented; and in addition, the minimum discharge rate of a wellhead of a gas well is reduced, and the liquid-carrying capacity of the gas well self is enhanced, so that the production of the gas well with lower liquid yield tends to be more stable.

The invention discloses a catenary-chain type cross-linked cable production die and a production method, and belongs to the technical field of wire and cable manufacturing. The die comprises a basic die body, and the interior of the basic die body is provided with a wire-bearing circular hole and an incoming wire tapered hole. The die also comprises a first inner die body and a second inner die body, wherein the inner die bodies are in an integrated structure. The first inner die body is disposed in the basic die body in a sleeved manner, and the second inner die body is disposed in the first inner die body in a sleeve manner. One end of the first inner die body and one end of the second inner die body are respectively provided with a first incoming wire hole and a second incoming wire hole, and the other ends of the first and second inner die bodies are respectively provided with a first bushing and a second bushing. The conical degree of the first incoming wire hole is consistent with the conical degree of the incoming wire tapered hole. The conical degree of the second incoming wire hole is consistent with the conical degree of the first incoming wire hole. The production method needs to produce different types of cable conductors, and enables the corresponding first inner die body to be inserted into the basic die body or enables the second inner die body to be inserted into the first inner die body. The die and method are quick and convenient in die replacement, improve the production efficiency, and achieve the continuous production of adjacent types of conductors.

The invention discloses a method for efficiently using converter precipitator dust, belongs to the technical field of converter steel making methods, and is used for efficient reuse of the precipitator dust. The method is characterized in that the precipitator dust is added along with a chute in the process of extracting vanadium to discharge from semisteel; when the vanadium is extracted to discharge from the semisteel by 1/5, a secondary dust removing valve is opened; the chute rotates to add the precipitator dust by one time or two times; after the precipitator dust is added, the precipitator dust is accelerated to melt through front-back movement; the dust removing valve is recovered to a normal state; and after the semisteel is discharged, the iron mixing for converter steel making is prepared. The precipitator dust totally covers the liquid surface of the semisteel to achieve the effect of inhibiting the smoke discharge; the pecipitator dust is molten in a semisteel ladle to form slag to improve the difficulties of making steel slag by the semisteel; and the problems of non-ignition of a converter and explosion venting of an electric field in direct returning of the precipitator dust along with waste steel are solved. The method is an initiate in converter steel making, solves the problem, of capability of effectively using the precipitator dust, not thoroughly solved for a long time, and has the advantages of short flow, high metal yield and low cost.

The invention discloses a gangue pre-discharging process for selecting coking coal as raw coal and a screening device thereof. The gangue pre-discharging process comprises the processes of crushing, screening grading, separating and discharging gangue, performing screen underflow treatment and performing gangue discharging on second-stage screen underflow; the screening device comprises a first supporting frame; a polyurethane screen body is arranged on the first supporting frame; supporting feet which are distributed in arrays are arranged below the first supporting frame; elastic pieces which are distributed symmetrically are arranged on the supporting feet; a second supporting frame is arranged below the first supporting frame; and a first belt conveyor and a second belt conveyor are arranged on the second supporting frame. According to the gangue discharging process disclosed by the invention, the ash content of the raw coal of a mine is reduced; part gangue is discharged; the production pressure of a coal preparation plant for the coking coal is lightened; the transportation expense and the expense for re-screening are reduced; the screening device is skillfully provided withtwo stages of different screen holes, so that materials with three grain grades are graded by single equipment; the plant layout height is reduced; the investment in infrastructure is reduced; and a process flow is simplified.

The invention discloses a novel LED lamp comprising a lamp shell. The lamp shell is internally and fixedly connected with an LED driver and LED lamp bar plates. The LED lamp bar plates are of a multi-segment structure. The LED lamp bar plates are connected in an end-to-end manner to form a round or a rectangle or are arranged side by side. The LED lamp bar plates can surround the outer side of theLED driver. The head and the tail of each LED lamp bar plate are both provided with connection joints, the connection joints can be rapidly connected with a power line so that the multiple LED lamp bar plates can form a current loop to be lightened. The LED driver comprises a shell and a drive circuit contained in the shell. The shell is provided with a notch. The drive circuit is provided with apower source and a grounding wiring terminal. The power source and the grounding wiring terminal can be exposed through the notch. The LED lamp bar plates are designed in a multi-segment combinationmanner and can be spliced and assembled according to different LED lamp shells to adapt to various lamp shells, an enterprise does not need to design the LED lamp bar plates to correspond to the lampshells one by one, the production pressure is reduced for the enterprise, and meanwhile, the lamp cost is reduced.

The invention discloses a dying method of jeans fabric which relates to a pre-spinning dying process of the fiber materials of jeans fabric. The dying process comprises the steps of pretreating, dying and post-treating steps. The fiber materials of the jeans fabric is the high strength low stretch viscose fiber with dry breaking strength of 2.8 to 3.1 CN/DTEX and dry elongation rate of 11% to 15%. The method provided by the invention is the dying process of the fiber materials for the jeans fabric manufacturing which uses the high strength low stretch viscose fiber with dry breaking strength of 2.8 to 3.1 CN/DTEX and dry elongation rate of 11% to 15% as the fiber materials. The materials undergo the fiber dying process and spinning process and the like to become the jeans fabric. The method is helpful to solve the problems of low yielding rate and non-fulfillment of environment protection requirements which at present is prevailing in the prior art of jeans fabrics manufacturing process. The method can be widely applied and promoted.