35results about How to "Fully exploited" patented technology

The invention relates to an application of a non-coal pillar roadway layout in the under-protected stratum exploitation. The non-coal pillar roadway layout comprises a stagger arrangement or gob-side entry driving roadway layout, the non-coal pillar roadway layout is adopted in the under-protected stratum exploitation of a dynamic disaster coal stratum, and a coal pillar supporting overlying strata between adjacent work surfaces is removed, so the inclined continuous recovery of a stope is realized; and a fracture zone above the stope ascends and the arrangement of the protected coal stratum in the fracture zone descends with the increase of the exploitation range, so the application range of the under-protected stratum exploitation is widened, the mining is full, the destressing effect is obvious, and the protected stratum is not influenced by the installation of the coal pillar in the protected stratum, thereby the safe and economic exploitation of the protected stratum is realized.

The invention relates to the field of geothermal exploitation and provides a well completion method for reinforcing a hydrothermal type geothermal system. According to the method, a geothermal reservoir stratum is drilled through firstly, a microseism technology is utilized to conduct stratum microresistivity scanning imaging and dip angle combination logging, the stratum crack growing direction is recognized, then a branch hole is dilled in the perpendicular direction of crack growing, a hydraulic fracturing technology is adopted for fracturing a branch well section, thus a high-permeability geothermal reservoir stratum is constructed so as to enable a stratum fluid to enter a well drum along a fractured crack, the fluid is exploited to the ground through the well drum, and then power generation is conducted. According to the method, a branch well, microseism detection, a treatment system and the hydraulic fracturing technology are sufficiently utilized, the geothermal reservoir stratum crack is effectively recognized, the reservoir stratum is opened at a largest limitation, geothermal energy of the geothermal reservoir stratum is sufficiently utilized, and hydrothermal type geothermal energy exploitation efficiency is greatly improved.

The invention relates to an alzheimer disease resistance composition containing an active extract of semen malaniae oleifen. The alzheimer disease resistance composition is prepared from the following components in parts by mass: 0 to 5 parts of nervonic acid, 0 to 10 parts of semen malaniae oleifen polyphenol, 0 to 10 parts of semen malaniae oleifen water-soluble protein and 1 to 80 parts of accessories, wherein the parts of the first to the third components cannot be equal to 0 simultaneously. Semen malaniae oleifen is used as a raw material; the plant nervonic acid, the semen malaniae oleifen polyphenol and the semen malaniae oleifen water-soluble protein are extracted from kernels of the malania oleifen by adopting a plant chemical separation purification means and form the alzheimer disease resistance medicinal composition. The alzheimer disease resistance composition is respectively prepared into health care foods, middle-aged and old-aged nutritious foods and brain-strengthening replenishers for application.

The invention relates to a rock breaking rod used for generating shock waves and a manufacturing method of the rock breaking rod, and aims to solve the problem that mining of mineral resources is restricted due to the defect that the electric energy storage density is low when the mineral resources are mined through metal wire electric explosion. The rock breaking rod for generating the shock waves comprises a shell which is a hollow straight pipe with two closed ends; a metal wire is arranged along an axis of the shell, and two ends of the metal wire extend out of the shell and are fixed andmounted; an energetic material is filled between the metal wire and the shell, wherein the energetic material is solid, and comprises 70%-80% by mass of polytetrafluoroethylene and 20%-30% by mass ofaluminum powder; and a groove is formed in an outer surface of a straight pipe. The manufacturing method of the rock breaking rod for generating the shock waves comprises the steps of machining an endcover and the straight pipe, and machining a longitudinal groove and an annular groove in an outer surface of the straight pipe; fixing the metal wire to one end cover to penetrate through the straight pipe, and then firmly binding the end cover and the straight pipe; manufacturing the energetic material and filling the energetic material into the straight pipe; and mounting another end cover.

A compressive vapor impellent high-heated packer belongs to packer type of thick oil fill into underground well. This invention is advanced than the existing technologies, which is composed of upper adapter, central tube, tube of rubber, control ring, claw of support, cone, spring, liquid vat, back bonnet etc. When switch-in the underground well filler pipe, gas expand which is in the liquid vat of the outside of the central tube and the rubber tube expand into casing which is impelled by cone and claw of support, then rubber tube expand to the inside wall of the casing to achieve the sealed-off. The technology can avoid accessories drop into the well, save fund etc. The equipment can be used for improving series of packers in diameters of 102-150mm with casing of 5, 7 or 9 inch.

The invention provides a self-adaptive pump stroke adjusting method for an oil well pump of a underground linear motor. The method comprises the following steps that S1, the time T is taken as a period, in the first period T, pump strokes per minute of an oil extraction device is N0, the oil extraction device starts from the second cycle T, the pump strokes per minute of the oil extraction devicein each period T are all up-regulated by a certain amount, and the oil well is evacuated until an oil well is evacuated in the certain period T, when the oil well is evacuated, the pump strokes per minute of the oil extraction device in each period T is recorded as N1, and then the oil extraction device stops mining; S2, when the stop time of the oil extraction device reaches the T1, the oil extraction device is restarted, and the oil extraction device extracts oil with N1 pump strokes per minute, the time length T2 used for evacuating the oil well again is recorded, and then mining of the oilextraction device is stopped; S3, after the stop time of the oil extraction device reaches the T1 again, the oil extraction device is restarted, and the oil extraction device extracts oil with Nnew pump strokes per minute, wherein the Nnew is equal to N1T2/(T1 + T2 ). The self-adaptive pump stroke adjusting method for the oil well pump of the underground linear motor has the beneficial effects ofsimple in process, high in precision and high in practicability.

A mining machine (20) for combined entry and retraction cutting of subterranean seam material, comprising: a movable main frame (21); a wing (50, 51) extending forwardly of the movable main frame; a cutter assembly (100) positionable near the end of the wing to drill holes in the material when the direction of travel of the wing and main frame is in line; a pivotal connection (130) between the main frame and wing ) for positioning the wings at an angle to the direction of movement of the main frame; and a mechanism (80) for moving the knife assembly along the wings during retraction of cutting material to cut material adjacent the wings.

A separating reacting pulverizer comprises a housing and a transmission device, the transmission device is arranged on the housing, a housing chamber is arranged in the housing, a vortex wheel is arranged in the housing chamber, the transmission device is connected with the vortex wheel, one end of the housing chamber is provided with a housing chamber inlet, and the other end of the housing chamber is provided with a housing chamber outlet. The separating reacting pulverizer is widely applicable to dust removal, desulfurization, denitrification, smoke removal, deodorization, vehicular and marine emission purification, lampblack suction, air purification, oil gas recycling, garbage treatment, nuclear waste treatment, powder separation, mineral separation, sea water desalination, wastewatertreatment, water purification, oil refining, oxygen production, reactors, boilers, combustors, pulverizing equipment and other fields, can provide deep purification for flue gas, can solve air pollution and water pollution, can eliminate haze, and allows water resource shortage, water pollution and environmental pollution to be thoroughly solved. The separating reacting pulverizer is suitable forproducing various powders, including nano powder, can provide low-temperature full combustion for fuels without producing nitric oxides, can provide intra-furnace dry desulfurization and dedusting, and allows a boiler to be completely green.

The invention discloses a vortex machine. The vortex machine includes a shell body and a transmission device; the transmission device is arranged on the shell body, a vortex current cavity is formed in the shell body, a transmission body with a working face of the outer periphery is arranged in the vortex current cavity, the transmission device is connected with the transmission body, when the transmission device drives the transmission body to rotate, the outer periphery of the transmission body drives a working medium to rotate and flow in the vortex current cavity at the periphery of the transmission body, and a vortex current cavity inlet is formed in one end of the vortex current cavity; and a vortex current cavity outlet is formed in the other end of the vortex current cavity, the inner diameter of at least one section of the vortex current cavity is gradually reduced towards the vortex current cavity outlet end, and at least one discharging opening is formed in the periphery ofthe vortex current cavity. The vortex machine can be widely used in the fields such as dust removal, desulfurization, de-nitrification, smoke removal, deodorization, vehicle and ship exhaust purification, oil smoke extraction, air purification, oil and gas recovery, waste disposal, nuclear waste treatment, powder selection, mineral processing, seawater desalination, sewage treatment, water purification, refining, oxygen production, reactors, boilers, burners, and grinding equipment, can achieve high degree purification of flue, can solve the air pollution and water pollution, and can prepare avariety of powders such as ultrafine powder and nano-powder.

The invention discloses a blasting method for mining. The method comprises the following steps of model building, equal-height cutting, determination of a mining direction, determination of the numberof mining roadways, and determination of a mining mode. During ore mining, mining is conducted from bottom to top along an ore body and from inside to outside along an ore receiving roadway. The mining roadways are mined one by one, each mining roadway adopts a two-step mining mode, a three-dimensional space formed by each cutting rectangle and the corresponding contour line is a mining space, and each mining space adopts a fan-shaped deep hole full-lateral blasting method for mining. According to the method, the ore body forms a 3D model, the model is subjected to equal-height cutting to form multiple sets of mining heights, the ore body part in each height is projected, and the mining area at each height is determined through a transverse cutting line and a longitudinal cutting line. Therefore, ore depletion is reduced under the condition of ensuring ordered ore mining, the mining cost is reduced, and the ore body is fully mined.

The invention discloses a branch horizontal well exploitation method based on the Green's function. The branch horizontal well exploitation method based on the Green's function specifically includes the following steps that firstly, a theoretical value of the shale gas yield of a branch horizontal well is calculated; secondly, according to the theoretical value, production at the daily practical yield of the branch horizontal well is conducted, and a curve chart of the daily practical yield of the branch horizontal well and time is drawn; when a jump point occurs in the curve chart, the daily practical yield of the branch horizontal well is adjusted until no jump point occurs in the curve chart; and when the accumulated water yield is equal to the critical water yield, the branch horizontal well is scrapped. According to the branch horizontal well exploitation method based on the Green's function, adjustment is carried out after the jump point occurs, so that shale gas better carries produced water in a horizontal well shaft in time, the danger that a gas-water mixture returns to the well bottom is reduced, and gathering of the produced water at the well bottom is reduced; and accordingly, maintenance cost is lowered, and efficiency is high.

The invention discloses a branch horizontal well exploitation method based on the Bessel function. The method specifically includes the following steps that firstly, the theoretical value of the shale gas yield of a branch horizontal well is calculated; secondly, according to the theoretical value, the branch horizontal well goes into operation according to daily actual yield, a curve chart of the daily actual yield and time of the branch horizontal well is drawn, when trip points appear in the curve chart, the curve chart is adjusted till no trip points appear in the curve chart, and when cumulative water yield is equal to critical water yield, the branch horizontal well is scrapped. Adjustment is conducted after trip points are generated, shale gas can conveniently carry produced water in a horizontal well shaft, damage caused when gas and water mixtures go back to the well bottom is reduced, and accumulation of the produced water at the well bottom is reduced, so that maintenance expenses are reduced, efficiency is high, and maintenance cost is saved.

The invention discloses a multi-branch hydrate displacement mining method. A mining well is drilled in a hydrate reservoir in the horizontal direction, so that the situation that a large number of resources are repeatedly consumed to penetrate through a compact overlying layer of hydrate is avoided; initial mining is conducted, pressure reduction mining is conducted on the horizontal mining well through a pressure reduction means, then fracturing and soaking pressure building are conducted on the horizontal mining well through a displacement substance, so that the displacement substance makes full contact with and reacts with the hydrate; and meanwhile, a next horizontal mining well is drilled in the same-layer deflection position or the upper-layer position of the horizontal mining well, hydrate mining can be conducted in other positions while displacement operation is achieved, thus mining and displacement are conducted simultaneously, the time cost needed by displacement operation is saved, a plurality of layers of branch wells in the vertical depth direction and the plane direction can exist simultaneously, the combination form of the branch wells is not limited, and hydrate displacement mining of the whole reservoir is effectively achieved only by fully considering the factors such as the thickness and range of the mined hydrate reservoir, the geological characteristics and the drilling and mining process safety.