63results about How to "Speed up mining" patented technology

The invention relates to an in-situ submarine natural gas hydrate exploiting device and a method thereof, and belongs to the technical field of exploitation of natural gas hydrates. The exploiting device comprises a solar and wind power generating system, a rotary telescopic water gun, an insulating pipeline, a conveying pipeline, a sleeve pipe, an ocean platform, a sea water pump, an electric heater, a CO2 liquid storing tank, a decomposition accelerator storing tank, a high-pressure pump, a pressure gauge, a filtering device, a water storing tank, a gas-liquid separator and a gas recovering device. A thermal activation method and a chemical reagent catalyzing method are utilized to trigger a decomposition reaction of the natural gas hydrate, and then the high-pressure CO2 jetting technology is utilized to enable the natural gas hydrate to be cut while a substitution reaction occurs. According to the invention, the natural gas hydrate is exploited by fully utilizing rich solar power and wind power in ocean areas, so that the effects of cleaning and environmental protection are realized; the thermal activation method and the chemical reagent catalyzing method are matched with the CO2 substitution method, and therefore the exploitation rate is improved, the dosage of a chemical reagent is reduced, the stability of submarine geology is protected effectively, and meanwhile the greenhouse gas is treated to a certain extent.

The invention discloses a coal bed methane exploring method belonging to the field of coal bed methane exploring, and in particular relates to a coal bed methane exploring method. In the coal bed methane exploring method, a continuous oil pipe with a high pressure fluid jet gun is used after hole enlargement of a vertical well in a coal bed well section. By means of a radial guide tool, high pressure gas-water mixed liquid is adopted to spray and drill out one group of radial horizontal holes with certain diameter and length or a plurality of groups of vertically distributed radial horizontal holes with the certain diameter and length in a coal bed at different azimuthal angles and along the radial direction. High-strength polyvinyl chloride (PVC) sieve tubes provided with diversion holes are arranged into the radial horizontal holes to form a quincunx radial horizontal well with support and diversion functions, a group or a plurality of groups of (multiple coal beds) quincunx radial horizontal wells and well patterns formed by the radial horizontal wells.

The invention relates to a mining method for coal bed gas in the field of mining of the coal bed gas, in particular to a mining method for a coal bed gas of a radial well. A directional radial guide tool is placed from an oil pipe on a coal bed well after chambering of a vertical well, then a steel wire rope is used to combine and place a support pipe following spraying and drilling tool into the oil pipe and the directional radial guide tool, a group or a plurality of groups (multiple coal bed) of radial horizontal holes are sprayed and drilled along the radial direction in a coal bed by high pressure air water mixed liquid. Meanwhile, when the radial holes are drilled, high-strength polyvinyl chloride (PVC) kerf sieve pipe is automatically followed to form the radial horizontal holes with a support function and a river diversion function, and underbalance drilling and negative pressure reinforced coal bed are achieved.

The invention belongs to a uranium ore exploration method and particularly discloses a method for combined tracing exploration on a hydrothermal uranium ore through geochemical elements. The method comprises the following steps of: measuring a uranium component in soil in an exploration area; measuring 210Po; drawing a plane isoline graph of the uranium component and the 210Po element; judging whether an ore-induced uranium component is abnormal or not according to the ratio between the uranium component and uranium total amount; if the ore-induced uranium component is abnormal, further judging (1) whether the uranium component has an abnormal concentration center or not according to a uranium component isoline graph, judging (2) whether the uranium component and the 210Po are abnormally combined or not according to a 210Po isoline graph, and judging (3) whether a uranium component abnormal area and a beneficial ore-forming fracture structure alteration zone correspondingly compound asection; and if at least two results of the steps (1) to (3) are positive, judging that the hydrothermal uranium ore exists. The hydrothermal uranium ore of which the covering layer is 10 meters to several hundred meters can be detected by extracting and measuring the uranium component and the 210Po in a surface soil sample.

The invention discloses a large efficient screening-type double-toothed roll crusher provided with a distribution device. The double-toothed roll crusher comprises a crushing device and the distribution device. The crushing device comprises a crushing drive motor, a fluid coupling, a reducer, a double-drum gear coupling, a crushing box, a base support, a left toothed roll, a right toothed roll and a lubricating grease pump, wherein the crushing drive motor, the fluid coupling, the reducer and the double-drum gear coupling form two sets of crushing drive units; and the two sets of crushing drive units are connected wit the left toothed roll and the right toothed roll inside the crushing box respectively. The distribution device comprises a distribution chute, an adjustable distribution stick, a movable connecting bracket, a distribution seat and a fixed connecting bracket, wherein the fixed connecting bracket and the distribution seat are fixed on the crushing box of the crushing device, the distribution chute is fixed at a discharge port of a material output belt machine head, and the distribution chute is connected with the crushing box through the movable and fixed connecting brackets. According to the large efficient screening-type double-toothed roll crusher, the problems of capital investment, equipment movement and the like of crushing equipment combined by a plurality of devices are solved fundamentally, the labor intensity of daily equipment maintenance is reduced, and the mining of surface mine materials is accelerated.

The invention provides a fireflooding and flue gas reinjection gravity driving collaborative exploitation method for a high-inclination-angle thick oil reservoir. The exploitation method comprises the following steps: selecting a production block, and respectively arranging a fireflooding linear flooding well pattern and a flue gas reinjection gravity driving well pattern at the middle part and the top of the production block; installing a ground facility, and paving a conveying pipeline; injecting air from a fireflooding gas injection well to an oil layer and igniting, extracting hot oil and flue gas which are generated by combustion from a fireflooding production well, separating and filtering the flue gas, then reinjecting the filtered flue gas into a flue gas injection well, and producing and extracting oil through a gas driving production well. The exploitation method can avoid the shortcomings of non-uniform fire line boosting and small use area due to single fireflooding, and the use area of the oil reservoir is enlarged; under the collaborative action of the fireflooding and flue gas reinjection gravity driving, the oil recovery ratio can be increased; furthermore, through the flue gas generated by the fireflooding, a stable gas source can be supplied to top gas injection; by reinjection of the flue gas, discharge of tail gas can be reduced, the operation cost is reduced, the air pollution is relieved, and the environment is protected.

A method for mining hydrate based on multilateral wells is provided. The method includes the following steps: deploying a vertical well in a target measure area and two horizontal multilateral wells in a natural gas hydrate reservoir, wherein one of the horizontal multilateral wells is deployed at the upper third of the natural gas hydrate reservoir, and the other horizontal multilateral well is deployed at the lower third of the gas hydrate reservoir; installing a gas-water separation device and a pump at the junction of the vertical well and the lower third horizontal well; deploying the vertical well to the top of a high-temperature and high-pressure water-bearing gas reservoir; performing perforation to open the high-temperature and high-pressure water-bearing gas reservoir and the hydrate reservoir; separating the mined mixture into natural gas and high-temperature water by the gas-water separation device, wherein separated natural gas enters an oil pipe and the high-temperature water is pumped into a hydrate reservoir by the gas-water separation device; at the same time, mining the hydrate reservoir in horizontal wells located at the upper third of the natural gas hydrate reservoir, and mining horizontal well groups of the hydrate reservoir by injecting high-temperature water under the formation of the natural gas hydrate reservoir. According to the present invention, thenatural gas hydrate reservoir is mined by heating and depressurizing, thereby achieving the cyclic utilization of formation energy.

The invention discloses a blockchain system based on Beidou RDSS (Radio Determination Satellite Service) and an implementation method thereof. The system comprises a plurality of Beidou RDSS terminalsconnected with a blockchain node, and a Beidou satellite. When a packaging node generates a block, the complete block is broadcasted through the Internet, and is transmitted to the Beidou satellite via the packaging node through the Beidou RDSS terminals. After the Beidou satellite receives the data, the Beidou satellite broadcast the block head to other nodes at the superframe format; the BeidouRDSS terminals of other nodes resolve the block head and the precise time of broadcasting, and record the Beidou broadcast time in the TimeStamp field of a new block structure, thereby obtaining theBeidou block head. According to the invention, the system can broadcast the abstract information of the block through the Beidou RDSS, and solves the above problems in a conventional blockchain systemthrough the characteristic that the Beidou satellite can provide a clock with the high time service precision.

The invention belongs to the technical field of uranium exploration and discloses a method for identifying deep uranium mineralization information in particular. The method for identifying deep uranium mineralization information comprises the following steps: (1) determining the measuring position in the measuring area; (2) taking the soil sample from the measuring position determined in the above step (1); (3) measuring the gamma spectrum of uranium content in the pit after taking the soil sample in the above step (2); (4) drying, grinding, and sieving the retrieved soil sample; (5) drying the sieved soil samples in the above steps (4); (6) extracting component uranium from the soil sample after drying by step (5) by using a medicament; (7) determining the component uranium extracted in the above steps (6); (8) making a plane contour map; (9) delineating abnormal areas; (10) according to energy spectrum uranium, component uranium, component uranium/energy spectrum abnormal uranium ratio, identifying deep uranium mineralization information. The method for identifying deep uranium mineralization information can greatly improve work efficiency and shorten the prospecting period.

The invention discloses an unmanned aerial vehicle flight path planning method based on an improved clustering algorithm, and aims to solve the problems of low accuracy and large calculation amount caused by clustering of each flight path in an existing multi-target route planning method. The method comprises the steps of 1, setting a differential evolution operator control parameter, a maximum clustering number and a mating limit probability, generating an initial population and calculating a target value, and establishing an external document; 2, setting the number of iterations to be T, andenabling t to be equal to 1; 3, finding a neighbor path point of each path point; 4, setting the number of flight paths, and enabling i to be equal to 1; 5, generating a new flight path; 6, calculating a target value of the new flight path; 7, storing the better flight path in the external document; 8, enabling i to be equal to i+1, and repeating the steps 4-8 until i is equal to N; and 9, updating the population, setting t to be equal to t+1, and repeatedly executing the steps 2-9 until t is equal to T. The method is applied to the field of unmanned aerial vehicle flight path planning.

The invention discloses a method for enhancing shale gas exploitation through a large-temperature-difference freeze-thaw cycle. The method comprises the following steps of firstly, injecting magnetized water into a shale gas exploitation pipe of a shale gas well through pulsation; secondly, driving the magnetized water to move into shale as much as possible through high-pressure nitrogen, and thenconducting liquid-nitrogen freezing and high-temperature nitrogen melting on the magnetized water several times to fully utilize the permeability of the magnetized water, the driving property of thehigh-pressure nitrogen, the expansion force of the frozen magnetized water and an ultra-large-temperature-difference freeze-thaw cycle formed by the liquid nitrogen and the high-temperature nitrogen in order to cause complete cracking of the shale. Moreover, the high-temperature nitrogen can also provide energy for the shale gas to be separated from the shale, correspondingly the cracking effect of the shale can be effectively improved, the crack expansion range of the shale can be effectively expanded, and the shale permeability is increased, so that large-flow, high-concentration and long-time exploitation of the shale gas is improved.

The invention discloses a coal digging robot, which relates to the field of robots and includes an operation box (1), a control module (2), a water tank (3), a water inlet pipe (4), a water inlet (5), a motor (6), a A connection valve (7), a support rod (8), a second connection valve (9), a connection arm (10), a water pipe (11), a shower nozzle (12), a drill bit (13) and a pulley (14). The invention provides a coal digging robot. The drill bit is used for digging coal, and the spray nozzle installed sprays water on the coal base to make the coal soft, accelerate the speed of coal digging, and reduce the damage caused by gas explosion and mine subsidence. Accidents endanger the life of underground workers.

The invention provides a seabed combustible ice filling mining device and a mining method thereof. The seabed combustible ice filling mining device comprises a mining platform and a grouting platform,wherein the mining platform is arranged on the sea surface of a combustible ice reservoir; a mining pipeline is arranged in a mining well; a mining device is arranged at the front end of the mining pipeline; one end of the mining device is provided with a high-pressure hot flow sprayer; and the other end of the mining device is provided with a grouting sieve pipe. The mining method of the seabedcombustible ice filling mining device comprises the following steps of Step 1, performing drilling operation by marine oil and natural gas drilling equipment; Step 2, performing well cementation and well completion on the mining well; Step 3, transforming a pre-mining face; Step 4, filling a goaf area; and Step 5, recovering the mining equipment. The combustible ice mining and the grouting platform grouting filling are performed at the same time; through filling, the underground pressure can be increased, and the natural gas extraction is promoted; and in addition, a filling material can achieve the support effect, so that the mining and the use of the combustible ice are convenient.

The invention discloses a shale gas directional fracturing yield-increasing method. The method comprises the following steps of a, drilling a vertical shaftway, and utilizing a casing pipe for well cementation; b, drilling several fine branch radial shaftways in different radial directions at different flat layers; c, implementing a fracturing technology in all the fine branch radial shaftways insequence, and adopting a coiled tube for drainage. According to the method, by drilling the directional fine branch radial shaftways, the direction randomness of fracturing gaps generated by traditional fracturing modes can be avoided, exploitation on directional parcels is promoted, the construction efficiency is improved, and the exploitation amount is also increased. Carbon dioxide in a super-critical state is adopted in fractured prepad liquid so that carbon dioxide can quickly permeate into tiny pores, and shale gas in the pores is replaced; meanwhile, carbon dioxide serves as acid gas tocorrode a shale bed, communication among the adjacent pores is promoted, and the development of the pores can also be promoted; besides, added powder ceramsite can block the tiny pores, the loss of the fracturing liquid is reduced, and the development of large pores is promoted.

The invention discloses a grain production and water environment protection circulation system for modern agriculture and belongs to the technical field of agriculture and environment. A large livestock breeding base and a large slaughter deep processing base convey livestock manure and offal into a large industrial biogas center; the large industrial biogas center is combined with an urban waste processing center to send biogas slurry and biogas residue to a biogas slurry processing center and a biogas residue processing center, and then converts the biogas slurry and the biogas residue and sends the biogas slurry and the biogas residue to an organic fertilizer production base; produced organic fertilizers are sent into a modern pollution-free agricultural production base; and fuel and raw materials which are processed through the large industrial biogas center are sent to a biodiesel raw material center and a biogas and ethanol fuel raw material center. The agricultural circulation can be developed towards targets of two zero growths which are agricultural resource and agricultural energy consumption zero growth and agroecological environment degradation rate zero growth zero growth, and thus an agricultural development model of efficient sustainable use of the agricultural resources and virtuous circle of the ecological environment is adopted positively.