212results about How to "Disaster reduction" patented technology

The invention relates to a directional hydraulic pressing penetration, permeability increase and outburst elimination method of a guide groove, which comprises the steps of (1) constructing a guide groove drill or the guide groove drill and control drills in a coal seam; (2) forming a guide groove in the guide groove drill in advance; (3) utilizing the guide groove drill or the control drills to perform hydraulic fractures, utilizing the guide groove and the control drills to perform directional control on the hydraulic fractures, enabling the coal body between the guide groove drill or the guide groove drill and the control drills to be pressed into penetration, forming multiple fractures among drills, and enabling a large amount of nickings to be brought out through the high-pressure water; and (4) after the fractures finish, enabling all the drills to be sealed and accessed into a drainage system, and beginning extraction. By means of the method, the number of pressing penetration of drills can be increased by 50%, the pressure relief scope of the coal seam is increased by over one time, the permeability of the coal seam is remarkably improved, gas extraction is increased by more than four times, measure drills can be reduced by about 60%, fore-pumping time is effectively reduced, area outburst elimination is achieved, and gas hazards can be reduced to the largest extent.

This invention relates to application technical field of satellite remote-sensing data, specifically a satellite remote-sensing monitoring method of daytime marine fog. This invention gradually eliminates cloudless marine region, ice-phase cloud system, large-particle cloud system, top coarse cloud system and lower cloud system through steps as cloud-ground separation, phase discrimination, particle size judgment, image characteristic analysis, height analysis and error correction based on physical characteristics and image characteristics of marine fog and according to type of fog as ground object and satellite image characteristics, thereby realizing satellite remote-sensing monitoring of daytime marine fog. As for channel settings of AVHRR3/NOAA17 satellite, according to monitoring result acquired by performing long-term monitoring to the Yellow sea and the Bohai sea in China, it proves that this invention is able to effectively and automatically monitor marine fog events, and clearly provide influence covering range of marine fog, thereby providing meterorological information service to naval navigation, fisheries production and coastal domestic use. In addition, this invention is applicable to other satellite sensors with similar channel settings.

The invention relates to a system for monitoring the temperature, the stress and the deformation of a frozen wall of a shaft in real time and a laying method thereof and belongs to the technical field of detection instrument equipment. The system is used for carrying out real-time automatic monitoring on the temperature, the stress and the deformation of the frozen wall of the shaft constructed by a freezing method. The system comprises the frozen wall of the shaft constructed by the freezing method, which needs to be monitored, an engineering monitoring position, a deformation monitoring sensing equipment and instrument and a monitoring data software analysis system. The invention solves the problem that the deformation of the frozen wall of the shaft constructed by the freezing method and the damage to the frozen wall directly relate to the normal construction of the shaft engineering constructed by the freezing method, so that how to find the symptom before the deformation of the frozen wall of the shaft constructed by the freezing method or the damage to the frozen wall exceeds the allowed deformation or damage is the key problem of reducing the disaster. The system and the laying method thereof have the advantage that the deformation monitoring system for carrying out real-time automatic monitoring on the temperature, the stress and the deformation of the frozen wall of the shaft can provide early warning and forecasting before the deformation of the frozen wall of the shaft constructed by the freezing method or the damage to the frozen wall exceeds the allowed deformation or damage so as to reduce the disaster and the loss.

The invention discloses ceramic flame-retardant and fireproof silicone rubber and a preparation method thereof. The silicone rubber contains the following components in parts by weight: 100 parts of raw silicone rubber, 10-50 parts of white carbon black, 10-100 parts of aluminum hydroxide, 10-50 parts of low-melting-point glass powder, 10-100 parts of sericite powder, 1-20 parts of hydroxyl silicone oil, 1-20 parts of hexamethyl disilazane, 0.1-3 parts of a platinum compound and 0.1-5 parts of a vulcanizing agent. The silicone rubber is good in flame retardance, excellent in mechanical property, safe and environmentally friendly, has good mechanical strength and insulating property after being ablated, is capable of preventing burnt objects from being damaged and keeping a circuit completefor a long time and can play a good fireproof role.

The invention discloses an urban rainfall flood preventing and treating intelligent control system and a control method. A road surface accumulated water level sensor, a river level sensor, a well and pond level sensor, a pipeline, a flow rate sensor and a flow sensor of a pump outlet and a speed adjusting frequency converter arranged on a pump are arranged. A central control unit is arranged and in signal and control connection with the road surface accumulating water level sensor, the river level sensor, the well and pond level sensor, the flow rate sensor, the flow sensor and the speed adjusting frequency converter. The central control unit is provided with a display with a big screen, a printer, an interface and a communication line, wherein the interface and the communication line transmit data with an upper controller. The control method includes the following steps that the control system is set and an initial value of the control system is set; a network line is opened, the central control unit is connected and the system operates; warning situations are dealt with in time; data is filed, settled and reported. The urban rainfall flood preventing and treating intelligent control system and the control method are suitable for monitoring, preventing and treating of urban drainage and rainfall floods, complete in structure, high in automaticity, easy to operate, timely and accurate in monitoring and capable of ensuring safety of urban drainage and flood control.

The invention relates to the technical field of agricultural cultivation, in particular to a planting method for high-yielding pepper. The method comprises the following steps of (1) raising seedlings: taking a nursery seedling plate, sterilizing, and putting a base fertilizer into the nursery seedling plate; (2) field planting: selecting sandy soil with thick soil layer, loose texture and no pollution to furrow; (3) managing after field planting: appropriately watering and spraying a foliage fertilizer to promote the pepper to grow one week after fielding plating; (4) harvesting and managing after harvesting: applying the base fertilizer again in autumn, and meanwhile, preventing and curing the leaf spot disease through 50% of topsin methyl-thiram wettable powder 800 to 1200 multiples liquid or ferrous sulfate 600 to 800 multiples liquid mist spray. The planting method for the pepper is high in pepper increase production, the root development is good, the plant diseases and insect pests are less, the pepper can be harvested in summer, autumn and winter, the planting method is simple, the cost is low, the economic benefit is obvious, not only the quality but also the yield are improved, and higher economic benefit is produced.

The invention discloses an experimental system for coupling of seepage and stress in a rock tensile state. The system comprises an oil pressure chamber, a tension device and a computer, wherein a top cover and a bottom cover are arranged on the oil pressure chamber, wherein positions of the bottom cover and the oil pressure chamber are fixed; the top cover can slide relative to the oil pressure chamber; the top cover is also used for clamping the upper end of a test sample as a test sample upper end cover; the bottom cover is used for clamping the lower end of the test sample as a test sample lower end cover and forms a sealed seepage chamber together with the lower end of the test sample; the sealed seepage chamber is communicated with a water inlet pipe; the top cover is communicated with a water outlet pipe; the oil pressure chamber is communicated with an oil pipe; the tension device is connected with the top cover; and the computer is used for controlling an oil pump, a water inlet pump and a water outlet pump as well as a flowmeter and extracting data information. The experimental system disclosed by the invention has the advantages as follows: variation process and rule of rocks under a tensile stress and seepage coupling effect can be studied; a seepage and stress coupling mathematical model capable of describing stress, strain and seepage coefficient evolution rules of the rocks is established; and a seepage failure mechanism of a project is studied from a microscopic angle.

The invention discloses a reservoir rock pore fracture three-dimensional visualization and gas flow simulation method, which comprises the following steps: carrying out three-dimensional CT scanning on a rock sample in a non-stress state to obtain rock sample model data, and carrying out 3D printing on a rock sample model by processing the scanned data and a 3D printing technology; carrying out mechanical seepage physical experiments and real-time CT scanning on the rock sample and the rock sample model in a stress state respectively, and carrying out seepage numerical simulation on the basisof establishing a 3D digital model; analyzing the difference between the result of the mechanical seepage physical experiment and the result of gas seepage numerical simulation after real-time CT scanning, and deducing the most suitable gas flow equation in numerical simulation software through the result of the mechanical seepage physical experiment. The method has the beneficial effects that theapplication range is wide; compared with the prior art, the method has the advantages that visualization and reality are achieved, reservoir optimization can be carried out in the exploration stage,formulating of a construction scheme can be guided, the disaster occurrence probability can be reduced, safe development is promoted, and basic data are provided for exploring an efficient method.

The invention discloses a self-resetting energy dissipation system with a fabricated frame structure and a construction method of the self-resetting energy dissipation system. The self-resetting energy dissipation system includes a prefabricated column connected with a foundation, a prefabricated reinforced concrete cross beam, a prefabricated reinforced concrete beam column sub-structure and dryconnection, and further includes a self-resetting energy dissipation device arranged between interbedded prefabricated frames; and the dry connection includes friction-type high-strength bolt connection between columns and pin shaft connection between beam-beam artificial plastic hinge connecting nodes. The invention further discloses the construction method for the self-resetting energy dissipation system with the fabricated frame structure. According to the self-resetting energy dissipation system with the fabricated frame structure and the construction method of the self-resetting energy dissipation system, the shortcomings of current prefabricated structural systems are overcome, and an anti-seismic target of 'strong column and weak beam, strong node and weak component' is realized; through reasonable arrangement of the self-resetting energy dissipation device, the energy dissipation capacity of the structural system is enhanced, residual deformation of the structure is effectivelyreduced or avoided, and the allimportant social value and economic significance for effectively mitigating earthquake disasters in high-intensity areas are achieved; and meanwhile, the construction process is simplified, the construction quality is guaranteed, practicality is high, and use and promotion are convenient.

The invention belongs to the field of coal mine filling mining rock layer control, and particularly relates to a filling mining overlying rock fault zone height determining method based on a plate and shell theory. The method comprises the following steps of firstly, judging the position of a hard rock layer; then, obtaining the critical load and the limit displacement of the hard rock layer; next, obtaining the free space height under the hard rock layer and the overlying load on the hard rock layer; and judging whether the fault zone develops or not by comparing the critical load with the overlying load on the hard rock layer and comparing the limit displacement with the free space height under the hard rock layer. Various basic parameters related in the method can be obtained after working face mining design completion by methods such as geological data and experiment tests. The method has the advantages that the theoretical and data basis can be provided for the overlying rock damage prevention and treatment measures adopted in the filling mining process; and the disaster due to filling mining working face overlying rock damage is reduced. The method provided by the invention has wide practicability on the analysis of the filling mining overlying rock activity rule.

The invention belongs to a method for water control and farmland building for environmental protection through water and soil separation and a water and soil separation structure. The method comprises the following steps of: setting a water control and farmland building area; building a dam body and internal and external dam slope body dam bodies in the water control and farmland building area, and taking the water control and farmland building area enclosed by an external dam slope body and a surrounding hill as a reservoir area; and simultaneously arranging water and soil separation structures at the inner bottom of a reservoir area enclosed by an internal dam slope body and the surrounding terrain and on the internal dam slope body to fast separate turbid water containing a lot of sediment in the reservoir area, leading separated water out of the reservoir area, storing the separated water in a downstream reservoir, and forming farmland by the precipitated sediment. The water and soil separation structure comprises a water permeable sand bed, a water permeable pipe, a water collecting channel and a water drainage channel. The invention can realize fast water and sediment separation for waterflood containing a large amount of sediment in the reservoir area, has double functions of farmland building and water storage to enable the precipitated sediment in the dam to be used for planting and production, and has the advantages of being less in investment and good in water and soil conservation, improving the ecological environment, preventing the occurrence of drought and flood, creating good conditions for the growth of crops, and increasing both production and income.

The invention discloses an oil and gas pipeline supervision system based on unmanned aerial vehicle aerial photography. The oil and gas pipeline supervision system comprises an unmanned aerial vehicle data access module, a geographic information system management module, a real-time monitoring module, a data analysis module, a high-definition image-based abnormity identification and analysis module, a historical inspection data comparison and analysis module, a multi-level multi-user cooperative operation module, an authority distribution module and other functional modules. WebGIS, the Internet of Things and a target detection and recognition technology are introduced into the system. The unmanned aerial vehicle is associated with the Internet and the GIS, and the real-time track and the monitoring video of the unmanned aerial vehicle are transmitted back to the client, so that the visualization of on-site inspection is ensured; through the Internet of Things technology, multi-unmanned aerial vehicle segmented monitoring and centralized data management are realized, so that inspection is more comprehensive, and the efficiency is higher; by means of the target detection and recognition technology, the situation that vehicles, geological disasters and the like damage pipelines can be quickly recognized, workers can take countermeasures on illegal pressure occupation, geological disasters and the like of the pipelines in time, and unnecessary disasters are reduced.

An intelligent disaster recovery configuration of the cloud computing network relates to Internet of Things system based on the multi-level disaster recovery. Four levels of configuration, including a load global scheduling layer, an area network access layer, a server farm layer and a database layer, and an area cloud computing network are included; the load global scheduling layer is connected with multiple area cloud computing networks, and the area cloud computing network comprises the area network access layer, the server farm layer and the database layer. Compared with the prior art, the intelligent disaster recovery configuration has the advantages that a multi-level disaster recovery mechanism is realized in the same area network, the local disaster recovery capability of the system is improved, and system disasters caused by local equipment faults are reduced; a global load regulator and an integrated gateway are monitored intelligently, and an automatic state monitoring and control mechanism for key devices of the cloud-computer network is provided creatively; and further long-distance network data synchronization method and realization scheme are provided, and the safety level of data is improved.

The invention discloses an integrated lightning early warning system and method. The system is composed of a lightning detection device, a database processing module and a lightning early warning module. The lightning detection device is used for detecting a lightning signal and sending the lighting signal to the database processing module; the data processing module is used for determining an early warning level of the received lightning signal and a lightning prevention measure corresponding to the early warning level based on combination of a pre-stored lightning level numerical table and a lightning prevention measure table, generating an early warning signal to the lightning early warning module when the early warning level is higher than a preset lightning early-warning threshold value, and generating a lightning prevention measure execution instruction; and the lightning early warning module is used for carrying out alarming based on an early warning signal. Therefore, the provided early warning system has high precision; the early warning time is sufficient; and full coverage of lightning monitoring of a protected area is guaranteed.

The invention discloses a kerf sand inclusion blasting cartridge and a blasting installation device and production technology thereof. The kerf sand inclusion blasting cartridge comprises a kerf pipe and a blasting cartridge installed in the kerf pipe, wherein the pipe wall of the kerf pipe is provided with four kerfs at equal interval in the mode of a ring array, and a sand inclusion cartridge case is arranged between the blasting cartridge and the kerf pipe; the blasting cartridge is arranged in the sand inclusion cartridge case; thus, when the kerf sand inclusion blasting cartridge is arranged in the blast hole arranged in a coal mine, the kerf sand inclusion blasting cartridge instantly forms a crack on the kerf direction and forms a radial crack net on other directions, thus manually improving coal layer crack communication network, increasing coal layer air permeability, and obtaining the purpose of improving gas pumping and discharging. The technical scheme of the invention carries out gas pumping and discharging to a coal mine with low air permeability; compared with the pumping and discharging result, the pumping and discharging amount of gas is 1.79-2.98 times of that of common gas.

The invention relates to an application of chitosan oligosaccharide and a composition thereof in resisting salinity for crops, and particularly provides a farm chemical composition for crops to resist saline-alkali-acid stress. The farm chemical composition contains the chitosan oligosaccharide, and the weight percentage of the chitosan oligosaccharide in the farm chemical composition is 0.011 to 0.024 percent or 0.005 to 0.019 percent. The farm chemical composition can alleviate the diseases of the crops caused by saline, alkali and acid. The chitosan oligosaccharide with a particular concentration has a positive adjusting action on the growth of the crops under the saline-alkali-acid condition so as to protect the normal growing development of the crops.

The invention discloses a microwave system facilitating coal mass gas desorption. The microwave system facilitating coal mass gas desorption mainly comprises a microwave generating device, a power line, a controller, a circulating water cooling device, a gas pipe, a front casing pipe, a slurry injecting bag and a drainage pipeline. The problems that the desorption speed of gas in a coal seam is low and the permeability of the coal seam is low are solved through the microwave system facilitating coal mass gas desorption. The microwave system facilitating coal mass gas desorption is characterized in that a controller emits a signal instruction, the signal is transmitted to the microwave generating device in a drilled hole through the power line, the microwave generating device emits microwaves after receiving the signal so as to generate an electromagnetic field and a temperature field which act on a surrounding coal mass, the desorption speed of gas in the surrounding coal mass is increased, the permeability of the coal seam is increased, then desorbed gas in the coal seam is drained out through the negative pressure drainage pipeline, the expected purpose of gas drainage is realized, and the circulating water bath cooling device is mainly used for cooling the gas subjected to microwave irradiation so as to prevent the temperature of the gas from being too high; and slurry is injected into the slurry injecting bag to achieve a hole sealing effect.

The invention relates to a hydrogen fuel engine protection system. The hydrogen fuel engine protection system comprises a hydrogen fuel engine, a high-pressure air pipeline, a fuel gas pipeline, a waste gas pipeline, an engine oil circulating pipeline, a cooling water circulating pipeline, a protection shell, a fuel pipeline protection casing and a waste gas pipeline protection casing. The hydrogen fuel engine is wrapped with the protection shell. A hydrogen storing unit is connected with the fuel gas pipeline through a fuel valve. A protection gas interlayer is formed between an engine shell of the hydrogen fuel engine and the protection shell. A protection gas storage tank communicates with the fuel pipeline protection casing through a valve. The fuel pipeline protection casing and the waste gas pipeline protection casing communicate with the protection gas interlayer, and pipeline connection sealing rubber sleeves are arranged at the joints. The protection gas interlayer is provided with a protection gas outlet which is connected to the fuel pipeline protection casing. By arranging the protection shell outside the engine, protection gas is used for protecting the engine, and leakage of hydrogen is reduced and even avoided; and the operation safety of the engine is advantageously protected, and unnecessary disasters are avoided.

The invention belongs to the technical field of energy development, and relates to a power generation device for converting ocean wave energy to power, in particular to a double-buoyancy-body pendulum type bidirectional turbine wave power generation device. The double-buoyancy-body pendulum type bidirectional turbine wave power generation device mainly consists of a base, a buoyancy pendulum supporting structure and a self-variable pitch horizontal-shaft tidal current energy power generator, wherein the tidal current energy power generator and a buoyancy pendulum reciprocally swing under the action of waves; during the process, a tidal current energy turbine absorbs the energy of incoming flows in two directions through rotating towards the same direction and changing the pitch, so that the efficiency of the complete machine is improved greatly; since an inflation-deflation valve is installed on the buoyancy pendulum, the posture of a power generation system can be adjusted for the lifting completion of the unit; and therefore, when the maximum wave energy on the sea surface is obtained, the whole machine simultaneously can sink into the sea so as not to be damaged by a disaster. The double-buoyancy-body pendulum type bidirectional turbine wave power generation device is simple in structure and easy to repair; and in addition, the technical difficulties such as excessive energy consumption and unavailable long-term reliable operation resulting from the three-level energy conversion of the traditional pendulum type power generation device are solved.

The invention discloses an early recognition method for ice-water debris flow, and belongs to the technical field of debris flow prevention and control engineering, the method comprises the followingsteps: a, determining gully bed gradients alpha of a formation area above an accumulation area and below a glacier and a snow accumulation area; b, respectively measuring the gully bed gradients alphaof different gradient sections, and taking a channel length larger than or equal to 10m as a standard to measure a channel gradient; c, carrying out early recognition on the ice-water debris flow ofdifferent gradient sections through the gully bed gradients alpha; d, according to the early recognition on the ice-water debris flow of different gradient sections, when gully bed gradients alpha aregreater than 14 degrees and smaller than 30 degrees, judging the region is an ice water flow drainage basin, and when all the gully bed gradients alpha are larger than or equal to 30 degrees or lessthan or equal to 14 degrees, judging the region is a non-ice-water-flow drainage basin. According to the method, the early recognition of the ice-water debris flow can be judged correctly, so that theice-water debris flow can be effectively evaluated, the corresponding prevention and early warning can be made, and the ice-water debris flow disaster can be reduced.

The present invention discloses a traffic data collection and processing system. The system comprises: a sensing module distributed on a measured road and capable of measuring road meteorological information; a processing center capable of receiving measurement data transmitted by the sensing module and a traffic volume module; and a server connected with the processing center to each other and capable of receiving traffic data transmitted from the processing center, distinguishing the data, transmitting the early warning information to an early warning module through the processing center andtransmitting real-time road conditions to a command center and a communication device. The traffic data collection and processing system and the control method thereof can perform timely understanding of the road capacity, can allow travelers to timely plan a traveling path and can avoid excessive traffic jamming, and moreover, the traffic command center understands the road capacity to timely perform avoidance of some emergency circumstances, timely adopt defensive measures and command means and reduce the disasters caused by traffic inconvenience.

The invention relates to ceramic silicone rubber. The ceramic silicone rubber is prepared from the following raw materials in parts by weight: 100 parts of silicone rubber, 3-5 parts of zinc oxide, 0.3-0.5 part of stearic acid, 1.0-2.0 parts of p-phenylenediamine, 1-5 parts of paraffin, 0.5-1.5 parts of white carbon black, 40-60 parts of talcum powder, 15 parts of white mica, 1.0 part of zinc borate, 0.8-1 part of a vulcanizing agent DCBP, 32-38 parts of calcium carbonate, 8-12 parts of 38# cylinder oil, 5.5-6.5 parts of dicumyl peroxide, 2-5 parts of aluminum hydroxide and 2-5 parts of magnesium hydroxide. Ceramic silicone rubber provided by the invention can effectively improve shell forming performance and flame and fire resistance of the silicone rubber, can keep the integrity of cables in a fire hazard, and can reduce disasters caused by a fire hazard.

The invention discloses an abelmoschus manihot planting method which comprises the steps of seedling growth, fertilizer collocation, transplanting and field management. According to the step of seedling growth, sterile tent arch seedling growth is adopted. Fertilizer is formed by matching specific camellia seed cakes in a mountainous area with dried poultry dung. According to the step of transplanting, special ridge-shaped transplanting is adopted in cooperation with leaf fertilizer and pymetrozine so that diseases can be effectively prevented. According to the step of field management, an E-shaped drainage ditch is dug deep, and the ridge distance and planting distance are reasonably arranged. Abelmoschus manihot planted through the abelmoschus manihot planting method is high in survival rate, the disease and pest disaster is small, the yield is greatly improved, the product quality is good, the high feasibility is achieved in the actual production application, and the abelmoschus manihot planting method is applicable to industrial abelmoschus manihot production.