49results about How to "Reduce secondary disasters" patented technology

The invention relates to a lightweight energy-saving insulating concrete, belonging to building materials. The invention comprises the master batches and accessories in accordance with the following parts by weight: master batches: 30-70 parts of cementing materials, 25-60 parts of fillers, 5-10 parts of strength activators, and accessories: 1-3 parts of waterproof agents, 2.0-3.0 parts of bleeding agents, 2.0-5.0 parts of suspending agents, 0.1-0.5 part of foam stabilizer, 38-60 parts of honeycomb agents, 0.5-1.5 parts of rusty retardant agents, 0.02-10 parts of reinforcing agents, 1.2-4.2 parts of early strength agents and expanding agents and 0.6-1.4 parts of acid and alkali resistant fibers. The concrete has the advantages of high early tensile and compressive strength, no decrease and crack of later strength and simple manufacturing process. According to the requirement of the building structure, the technical target of the concrete can be realized by regulating the mixing proportion. The concrete can be used for manufacturing various products at normal temperature and is widely applied to insulating and self-waterproof building engineering.

The invention discloses a lightning early warning system based on lightning monitoring devices arranged in a distributed mode. The lightning early warning system comprises a background server or a cloud server, the lightening monitoring devices and a communication module, wherein the lightning monitoring devices are arranged in a region in the distributed mode, and each lightning monitoring device transmits lightning monitoring data to the background server or the cloud server through the communication module. The background server or the cloud server stores and analyzes the lightning monitoring data and generates lightning early warning information. The invention further discloses a lightning early warning method based on the lightning monitoring devices arranged in the distributed mode. By means of the lightning early warning method and system, accurate forecasting can be achieved for the local thunder cloud expected direction and the possible thunderstorm occurrence time, the rate of false forecast and the rate of missing forecast are effectively decreased, the background server or the cloud server of the early warning system can be further checked and modified, and furthermore, the lightning early warning and forecasting accuracy is unceasingly perfected and improved.

The invention discloses a global earthquake geomagnetic anomaly big data monitoring and early warning system and a monitoring and early warning method based on a mobile Internet. The system provided by the invention comprises a mobile terminal. The mobile terminal is in bidirectional connection with an intermediate layer. The intermediate layer is in bidirectional connection with a main control cloud end. The intermediate layer comprises a distributed cloud computation unit, a distributed mass storage unit, an automatic structured distribution unit and a data filtering unit. The main control cloud end comprises a comprehensive analysis unit, a decision-making unit and a management subsystem. The global earthquake geomagnetic anomaly big data monitoring and early warning method based on the mobile Internet is characterized in that the mobile Internet is used to collect data collected by an intelligent mobile phone or a tablet personal computer, the main control cloud end is used to analyze the data, and a magnetic field abnormal value is obtained and fed back to the intelligent mobile phone or the tablet personal computer for visually displaying a magnetic field abnormity distribution state. Through the analysis of the main control cloud end, a user is enabled to obtain data of great reference value.

The invention relates to a thunder and lightening prewarning system with a honeycomb layout, and the system mainly solves the problem of prewarning precision in the prior art. According to the thunder and lightening prewarning system with the honeycomb layout, single-point thunder and lightening prewarning devices are networked according to the honeycomb layout to perform data integration; the thunder and lightening prewarning system with the honeycomb layout comprises at least three single-point thunder and lightening prewarning devices, a background server and a client terminal; the single-point thunder and lightening prewarning devices are provided with sensors which can monitor physical parameters of the atmospheric electric field value size, direction and change rate within a certain area range and physical parameters of light, electricity, magnetism and sound when thunder and lightening occur and wireless and wire communication function modules. The thunder and lightening prewarning system with the honeycomb layout better solves the problem and can be applied to thunder and lightening prewarning.

The invention discloses a method and a device for mobile treatment on plasma dangerous waste. The method and the device solve the technical problem of treatment on dispersed organic pollutants. The method comprises that dangerous waste in a dangerous waste field is fed into a plasma reactor in a container of a lorry trailer, and then is cracked and gasified into cracked gas and carbon black in microseconds. The device for mobile treatment on plasma dangerous waste comprises a feeding system, the plasma reactor and a flue gas cleaning system arranged in the container of the lorry trailer. Compared with the prior art, the method and the device realize mobile treatment on dangerous waste, have high treatment efficiency and a low cost, realize effective on-site treatment on dispersed, high-toxicity, small-batch and high-concentration liquid organic pollutants and gaseous pollutants, avoid transfer of dangerous waste, improve economical efficiency and safety, and are suitable for emergency treatment on a scene suffering from a dangerous waste environmental accident.

The invention belongs to the technical field of application of coal mining equipment and coal mining methods, and particularly relates to an end slope mining process by using an open-air end slope orecontinuous miner. The end slope mining process comprises the following steps that 101, a mining face is arranged; 102, an equipment mounting and preparation area is arranged; 103, equipment is arranged and mounted; 104, a ventilation system is arranged; and 105, mining is conducted by using the continuous miner. The end slope mining process adopts continuous miner complete set mining equipment, the requirement of mechanized mining of end slope ore is met, the mechanization level of mining of the end slope ore is improved, the production efficiency is greatly improved, the labor intensity of workers is reduced, the stripping volume of rock and soil is reduced, and damage and disturbance to the environment is reduced.

A steel pipe constrained high-strength steel section-concrete column with high axial pressure ratio and high earthquake-proof and fire-proof performance is composed of several longitudinal reinforcing bars, several reinforcing hoops for fixing said longitudinal reinforcing bars, the steel sections in said reinforcing hoops, the steel pipe surrounding said reinforcing hoops and with both open ends, and concrete cast in said steel pipe.

The invention provides a high-strength low-heat-conductivity superhydrophobic polymer matrix noninflammable aerogel material, comprising, by weight, 0.5-10.0 parts of inorganic particles, 0.03-2.0 parts of a branched polymer binder, 0-2.0 parts of a crosslinkable polymer, 0-1.0 part of a crosslinking agent, and 0-3 parts of a surfactant. The invention also discloses a preparation method of the material; the material has the density of 5-100 kg / m<3>, specific modulus of 10-150 MP cm<3> / g, heat conductivity coefficient of 0.010-0.070 W / (m K), extreme oxygen index of higher than 50%, combustion heat value of 1.0-4.0 MJ / kg, good superhydrophobicity and water contact angle of greater than 150.0 DEG. Before and after combustion, the material has high strength and structural stability, and secondary damage possibly caused by shrinking or collapse after burning is decreased to maximum extent.

The invention relates to a pipeline leakage control device for implementing control after products pipelines leaked, which is composed of a pedrail walking system [4], an exerting system, a barrier clearance supporting system [8], a leaked oil recover device [1], a cable take-up and payoff system [10], a supporting platform system [9], a hydraulic system [6], an electrical control system [7], a remote control system [11] and a monitoring system [5]. The pedrail walking system [4] is positioned below the supporting platform system, above which, the hydraulic system [6], the electrical control system [7], the cable take-up and payoff system [10], the leaked oil recover device [1], the barrier clearance supporting system [8] and the exerting system are respectively arranged; wherein, the hydraulic system [6] is connected with the cable take-up and payoff system [10] through cables; signals of the remote control system [11] are sent to the electrical control system [7] controlling the hydraulic system [6], the pedrail walking system [4], a small movable arm [2] and a big movable arm [3] as well as the leaked oil recover device [7]; while signals of the monitoring system [5] is transferred to the remote control system [11] through the cable of the cable take-up and payoff system [10].

The invention discloses a high-pressure gas mist linkage automatic fire extinguishing system. A high-pressure water supply system comprises a water path connecting a water source, a filter, a first electric control valve and a water tank in sequence; a primary water supply pipeline is connected to the bottom of the water tank and connected with a secondary water supply pipeline through a pipeline provided with a high-pressure pump and a check valve; the secondary water supply pipeline provided with a pressure sensor is connected with a main pipeline of a flow sensor through a second electric control valve; a high-pressure nitrogen system comprises a gas path connecting a high-pressure gas source, a pressure regulating valve, a third electric control valve and a mass flow meter in sequence; the tail end of the gas path is connected with the main pipeline; a plurality of nozzles are connected to the tail end of the main pipeline through a plurality of branch pipes; a smoke sensor and a temperature sensor which are connected with an alarming device are mounted at the tail end of the main pipeline; and a drain valve and a liquidometer are mounted in the water tank. Large-particle-size water drops are prevented from being formed when fire extinguishing with high-pressure fine water mist is completed, secondary disasters to protected substances are reduced, and the environment pollution is avoided.

The invention discloses an anti-seismic support and hanger online monitoring device based on the Internet of Things, which comprises a support hanger arranged on a wall body, a support is arranged between the support hanger and a wall body connecting surface, and a consolidation piece is correspondingly connected with a first support rod and a second support rod through fasteners. One end of the first support rod and one end of the second support rod are perpendicularly arranged on a wall through supports respectively, the two ends of the cross arm are detachably connected with the other end of the first support rod and the other end of the second support rod through screws respectively, a pipe bundle is fixedly arranged on the cross arm through a hoop, one end of a diagonal draw bar is fixed on the cavity through the support, the other end of the diagonal draw bar is detachably connected with the lower part of the second support rod through a screw, a loosening amount detection deviceis arranged between the upper and lower end surfaces of the support; and deformation quantity detection devices are arranged on the consolidation piece and the diagonal draw bar. According to the scheme, the looseness condition of the mounting part of the support and hanger and the deformation damage degree of the bracket can be detected, targeted maintenance of managers is facilitated, and the labor cost is greatly saved.

The invention discloses a bridge falling prevention constraint damper, and belongs to the technical field of structural damping. A main body comprises a fixing unit and a syringe-like energy consumption unit. When the damper is subjected to elongation deformation under the earthquake action in an acceptable range, a piston is forced to move, and at the moment, liquid in an oil cavity is pumped into a piston cavity to achieve the energy dissipation effect. When the damper is subjected to compression deformation under the earthquake action in the acceptable range, the piston is forced to move, and at the moment, the viscous liquid in the piston cavity is squeezed into the oil cavity to achieve the energy dissipation effect. When the damper bears excessively high earthquake action, the pistoncollides with the wall of the piston cavity, and at the moment, the structure is locked to achieve the effect of preventing a bridge from falling is achieved. The damper achieves the effective energydissipation effect under the condition of small displacement, the anti-falling effect is achieved through structure locking under the condition of large displacement, the damper is convenient to disassemble and disassemble after strong earthquakes, and rapid repair of the main body structure is facilitated.

The invention discloses a novel urban bus body, belongs to the technical field of traffic safety, and relates to an urban public transport means. The bus body is mainly used for solving the problems that when a fire or a traffic accident happens to an urban bus, passenger escape is difficult, and injuries and deaths are large. Walls on the left side and the right side of the bus body are designed into a plurality of paired side wall blocks, the upper side wall blocks and the lower side wall blocks are combined together through side wall locks, all the side wall blocks are combined, and therefore closed space is formed in the bus body. When an accident happens suddenly, rotary knobs are rotated, the corresponding paired upper side wall blocks and lower side wall blocks can be unlocked and opened, and passengers can fast leave the bus in accident. The novel urban bus body is simple in structure and flexible in operation, a pure mechanical structure is adopted, and therefore high reliability is achieved. After the paired upper side wall block and lower side wall blocks are opened, the passengers can escape conveniently, the phenomena of congestion and the like can be avoided, and casualties are reduced.

Provided is a pipeline seismic mitigation and absorption device. The device comprises a structural hoop, an upper pipe support, a lower connecting part and an energy-consuming assembly, wherein the upper pipe support is connected with the structural hoop and fixes a pipeline through the structural hoop, the lower connecting part is fixed with a pipeline support, a longitudinal side and a lateral side which are adjacent to the pipeline seismic mitigation and absorption device are provided with a displacement scale and an intelligent displacement acquisition system respectively, a laser displacement sensor is connected with a collector, and the collector is connected to a monitoring center in a wire mode or a wireless mode. The pipeline seismic mitigation and absorption device has a wide application range and is suitable for installation of horizontal and sloped pipelines; the upper pipe support is firmly connected with the pipeline, and the energy-consuming assembly has certain rigidity, yielding force, flexible energy consumption, resetting and carrying capacity, can achieve various ductile deformations and reduce the seismic response of an upper pipeline, have an obvious seismic mitigation effect, and can remotely observe and monitor the pipeline; the structure is simple, the installation and disassembly are convenient, the construction method is operated easily and conveniently, and the implement is easy.

The invention discloses a mobile phone remote control water lifesaving system based on the Z-Wave technology. The system comprises a mobile phone control part and a life buoy system. A mobile phone APP communicates with the life buoy system through the Z-Wave wireless technology. Power is supplied to the life buoy system through a lithium battery in solar real-time charging design. A life buoy master control panel is used for controlling a life buoy power system and the turning angle of a steering engine in the advancing direction of a life buoy, and meanwhile a GSM module and a GPS module in the system communicate with the mobile phone APP through a Z-Wave module. The mobile phone APP communicates with the intelligent water lifesaving system through Z-Wave signals, the system efficiency is improved, the life buoy is effectively controlled to be quickly moved to the position of a person falling into water, so that the person falling into water is rescued, and an accident is prevented from happening to a rescue person. The whole lifesaving system is quick in response, accurate in positioning and high in reliability.

The invention discloses a grape mixed plantation three-dimensional cultivation desertification control method which aims at solving the problem of grapery damage caused by a windstorm in a wind desert area. The grape mixed plantation three-dimensional cultivation desertification control method comprises the steps of flattening sandy badlands, and planting grapes, asparagus and andorra creeping juniper. The three-dimensional cultivation mode is adopted, so that quicksand movement is effectively controlled, the wind speed is decreased, damage caused by a windstorm and surface evaporation are reduced, expenses are saved, and the income is increased; the ground coverage is increased, water and fertilizer competition is reduced, the three-dimensional screen can be effectively formed, and the area of bare sand is decreased. The method efficiently utilizes sand resources, improves soil, improves the desertification prevention and control efficiency, organically combines sand stabilization, vegetation increase and growth space control, and achieves the purposes that sand grapes effectively utilizes sand resources, the vegetation coverage is increased, the environment is improved, and the water and fertilizer competition is reduced. The vegetation coverage rate of a sand grapery can be increased by 30-50% in winter, the wind speed is reduced by 18-30%, and the sand blocking effect is improved by 50-70% compared with a pure grapery.

The anti-seismic support hanger state data acquisition system comprises a measurement node unit, an acquisition node unit, a transmission node unit, a data server and terminal equipment. The purpose of improving the safety performance of the anti-seismic support hanger is achieved by conducting collection, transmission, region division, regularization data formation, state judgment, early warningand display on state parameter signals of the stress state, the deformation condition and the swing rule of the anti-seismic support hanger. Intelligent sensing, Internet of Things and big data technologies are comprehensively applied; data such as the stress state, the deformation condition and the swing rule of the anti-seismic support hanger in an application site of a building are collected, processed and stored; a big data platform is formed, real data support is provided for follow-up optimization, production, installation, detection and the like of the anti-seismic support hanger, the safety performance of the anti-seismic support hanger is improved, secondary disasters of earthquakes are effectively reduced, the system structure is simple, and the method is easy to implement.

The invention provides an implementation method of an intelligent life-saving system in a lake district. The intelligent life-saving system in the lake district comprises a shore-based subsystem used for searching a person to be rescued and obtaining the position of the person to be rescued and an intelligent life buoy used for rescuing the person to be rescued, and the shore-based subsystem comprises a high-definition camera, a radar and an industrial personal computer which are arranged on the shore; the radar is electrically connected with the high-definition camera, the high-definition camera is electrically connected with the industrial personal computer, the industrial personal computer is in wireless communication with the 2.4 G communication base station through the wireless communication module, and the 2.4 G communication base station is in wireless communication with the intelligent life buoy. The lake area water surface life-saving system can be intelligently operated and can be used for complex water surface rescue.

The invention relates to a solar allopatric switch control device, which comprises a solar cell panel, a photovoltaic storage battery, a main control system apparatus, a voltage-stabilizing inverter and an electricity load end. The photovoltaic storage battery is electrically connected with the main control system apparatus. The main control system apparatus is electrically connected with the solar cell panel and the voltage-stabilizing inverter. The output end of the voltage-stabilizing inverter is connected with the electricity load end. According to the technical scheme of the invention, an energy-saving and environment-friendly product can be operated more efficiently, and the cost of relevant devices and manual operation is reduced. The working strength of administrators is lowered, and administrators can conveniently manage the time and control the operation condition of the device. In emergency situations, problems can be solved within the shortest time and the occurrence possibility of corresponding secondary disasters is reduced. Meanwhile, the device is wide in the range of application fields and is strong in practicality.

The embodiment of the invention relates to a battery thermal runaway explosion hazard assessment method. According to the embodiment of the invention, the battery monomers are placed in the closed container; thermal runaway triggering is conducted on the battery monomers; after the thermal runaway of the battery monomeris finished, the type and component proportion of the combustible gas in the closed container are tested; combustible mixed gas with equal types and equal component proportions is prepared according to the types and the component proportions of the combustible gas; the combustible mixed gas is filled into the battery system to be tested until the specific percentage of the opening pressure of the explosion-proof valve of the battery system to be tested is reached; the combustible mixed gas in the battery system is ignited; and the explosion shock wave pressure of the combustible mixed gas is tested. According to the embodiment of the invention, an explosion scene under an open fire ignition condition after a large amount of combustible gas is gathered due to thermal runaway of the battery in the battery system can be quickly and accurately simulated, and manual accurate control of the explosion moment can be realized, so that safe and controllable testing of the explosion intensity and secondary disasters of the battery system is realized.

An automatic resetting device for a spare anti-explosion well lid of a mining air well belongs to mining machinery and is mainly used for ensuring that the spare anti-explosion well lid can be automatically reset quickly after explosive blast of an anti-explosion well lid is released. The device is characterized by comprising a spare anti-explosion well lid trolley, a triggering mechanism, a sliding device and a guide rail. The spare anti-explosion well lid trolley is arranged on the guide rail, the triggering mechanism is in contact connection with the spare anti-explosion well lid trolley, and the sliding device is arranged on the guide rail. By means of the automatic resetting device, ventilation can be quickly restored, and a secondary disaster is reduced.

The invention discloses a real-time fire alarm device for gardens. The real-time fire alarm device comprises a fixed base and a storage tank arranged at the upper end of the fixed base; a protection box which is arranged at the top of the storage tank, a second servo motor being installed in the protection box, a control box being installed below the second servo motor, and storage batteries being installed on the two sides of the control box; a rack which is arranged in the middle of the top of the protection box, a lead screw being mounted in the rack, and a mounting frame being mounted on one side of the rack; a camera which is arranged below the end, far away from the rack, of the mounting frame; a detection mechanism which is arranged on the other side of the rack; a solar panel which is arranged at the top of the rack; and an alarm which is arranged on one side of the top of the protection box. The diversity of functions of the alarm device is realized, and the problems that an alarm device cannot meet actual working requirements and the practicability is reduced are solved.

The invention discloses a construction technology of tunnel penetrating through an overlapping section of a rockburst section and a low-gas area, which adopts an upper and lower step excavation method and comprises the following steps: 1, before a main tunnel of the tunnel is excavated, advanced geological forecast verification is performed by adopting an advanced drilling method; 2, stress release is conducted on the unexcavated rockburst section through an advanced exploding hole, a portable gas detector is used for detecting the gas concentration of the tunnel face and the working position, and high-pressure water spraying is conducted on the tunnel face and the tunnel wall before normal excavation; 3, eleven ultra-deep shot holes are drilled at first; 4, gas detection is conducted through the ultra-deep shot holes, and after the requirements are met, the eleven ultra-deep shot holes and the common shot holes are charged with explosives for blasting; 5, after the tunnel face is excavated, primary supporting is conducted; 6, a gas isolation layer is constructed; and 7,secondary lining is performed on the inner surface of the gas isolation layer by adopting C35 concrete doped with an airtight agent. The risk of accidents can be effectively reduced, and safe construction is ensured.

The invention discloses a method for disaster prevention and rescue of extra-long railway tunnels by using a road-rail dual-purpose vehicle. The accident train drives into the emergency rescue station, and the rescue train transports at least one public-rail combined shuttle bus to the tunnel opening and leaves the road-railway. The shared shuttle bus, the public-rail combined shuttle bus runs along the main line tunnel in railway mode, and converts to the road mode after driving outside the emergency rescue station, enters the safety tunnel through the cross passage, and reaches the vicinity of the evacuation area for the trapped people. The highway-rail combined ferry transports the trapped persons to the hole and is connected to the rescue train, and the rescue train drives out of the accident area to complete the rescue and evacuation. The air fluidity is low in the super-long tunnel, resulting in rapid consumption of oxygen content in the air and difficulty in moving people. The use of the public-rail combined shuttle bus avoids long-distance travel of passengers, ensures the effectiveness of evacuation, and protects the lives of passengers.

The invention discloses an on-line monitoring system for seismic performance of a building seismic bracing. The on-line monitoring system comprises a wall body, a first support, a second support and a third support, the first support, the second support and the third support are connected with the wall body, crossed elastic support plates are arranged between the first support and the second support, the bottom of the first support and the bottom of the second support are connected with supporting rods through connecting rods, a supporting plate is arranged between the supporting rods, a fixing frame is arranged on the surface of the supporting plate, and movement amount detecting devices are arranged at the left end and the right end of an elastic supporting plate. The device is provided with a special support structure, so that the support structure is more stable, meanwhile, the detection effect of the bracing is more real-time and accurate, damage to the support in the long-term operation and maintenance process and secondary disasters during earthquakes are reduced, targeted maintenance of managers is facilitated, the labor cost is greatly saved, and an alarm lamp is arranged so that the workers can be visually reminded in real time when the bracing is damaged.

The invention relates to a method for controlling blasting and slope cutting of road cutting shallow hole steps under a complex environment. The method comprises the following steps that (1) the road cutting slope cutting excavation range and workload are checked; (2) the surrounding environment of a slope cutting and blasting area is surveyed on side and actually measured; (3) a reasonable blasting scheme and blasting devices are selected; (4) blasting control parameters are designed and calculated; (5) blasting safety distance estimation and safety checking are carried out; (6) blasting safety protection of the complex environment is carried out; and (7) the blasting effect is checked. According to the method for blasting and slope cutting of a road cutting, a reserved partition and longitudinal pull trench excavation is adopted; a town shallow hole multi-row millisecond blasting control method is adopted in partitions and partition stonework; the process is carried out layer by layer from top to bottom; a layer-by-layer pull through manner is adopted in longitudinal pull trenches so as to facilitate muck removal and accelerate the construction progress; and smooth blasting is adopted in the positions close to last slope lines so as to protect the integrity and stability of slope surrounding rock. The method is high in economic performance, safety and systematicness and can provide reliable method support for highway and railway road cutting slope cutting and blasting excavation under the complex environment.

The invention discloses a method for identification and disaster prevention of residual detachment layers, which comprises the following steps: according to the lithology of the overlying rock and its combination characteristics, and based on the principle of "composite beams", the positions of all detachment layers in the overburden rock are determined; Detachment; calculate the maximum detachment volume and maximum residual detachment volume of catastrophic detachment; determine the position of the maximum residual detachment; prevent and control residual detachment disasters. The beneficial effect of the present invention is to find all the separation layers in the overlying rock through calculation, to determine the disastrous separation layer, to determine the maximum residual separation layer amount, to determine the position of the residual separation layer, to realize the disaster prevention and control of the residual separation layer, and to reduce the The occurrence of disasters ensures the safety of coal mines. And the calculation parameters can be found in the coal mine technical data files, without adding additional workload; the calculation is convenient, and the on-site engineering and technical personnel can master it after a little training.

The invention belongs to the technical field of application of coal mining equipment and coal mining methods, and particularly relates to an end slope mining process by using an open-air end slope orecontinuous miner. The end slope mining process comprises the following steps that 101, a mining face is arranged; 102, an equipment mounting and preparation area is arranged; 103, equipment is arranged and mounted; 104, a ventilation system is arranged; and 105, mining is conducted by using the continuous miner. The end slope mining process adopts continuous miner complete set mining equipment, the requirement of mechanized mining of end slope ore is met, the mechanization level of mining of the end slope ore is improved, the production efficiency is greatly improved, the labor intensity of workers is reduced, the stripping volume of rock and soil is reduced, and damage and disturbance to the environment is reduced.