169results about How to "Avoid explosive situations" patented technology

The invention provides a robot, a fire-extinguishing system and a fire-extinguishing method. A body of the robot is provided with a mobile module, a first control module and a fire-extinguishing module, wherein the mobile module is connected with a rail and used for driving the body of the robot to move along the rail; the rail is arranged inside a preset place which comprises at least one fire-extinguishing subarea; the first control module is connected with the mobile module and used for driving the body of the robot to move to the fire occurrence subarea of the preset place by controlling the mobile module; and the fire-extinguishing module is used for executing fire-extinguishing operation after the body of the robot moves to the fire occurrence subarea. The invention can realize quick, long-distance, wide-range and automatically controlled fire-extinguishing.

The invention discloses a device and method capable of increasing the synthesizing stability of cadmium zinc telluride polycrystals and aims to solve the problem that quartz tube explosion occurs easily during the synthesizing of cadmium zinc telluride, and the tube cracking accident is caused. The device and method is characterized in that protective gas is filled into a pressure-maintaining inner container, the internal and external pressure difference of a quartz crucible is balanced or lowered by regulating the gas filling pressure in the pressure-maintaining inner container, raw materialreaction rate is controlled by crystal material distribution, temperature gradient setting or furnace tube ascending and descending, and crystal growth is performed through the temperature gradient setting and the furnace tube ascending and descending. The device and method has the advantages that crucible explosion can be avoided effectively, reaction conditions are mild, phenomena such as tube cracking are avoided effectively, corresponding preparation requirements can be satisfied, and the device and method is promising in application prospect.

The invention discloses a coal mine dust monitoring system and method. The system comprises a light absorption type concentration sensor, a data processing system and a control system, wherein the light absorption type concentration sensor is used for collecting real-time dust concentration data, when the real-time dust concentration data is an abnormal value, the data processing system generates warning eliminating signals, when the real-time dust concentration data is changed from an abnormal value to a normal value, the data processing system generates warning elimination signals, and the control system is used for controlling a spraying dust reducing unit to start or stop the spraying processing. In the system disclosed by the embodiment of the invention, the collected dust concentration data is real-time dust concentration data, the condition that the dust explosion can be caused since the real-time performance of the dust concentration data is poor in the prior art is avoided, and the dust explosion possibility is reduced; in addition, the control system can control the spraying dust reducing unit to stop the spraying processing, the condition that the spraying device is in the spraying state for a long time due to the personnel negligence in the prior art is avoided, and the utilization rate of water resources is improved.

The invention relates to the technical field of thermal management of batteries, in particular to a liquid cooling device and a battery module. The liquid cooling device comprises radiating plates, aliquid inlet and a liquid outlet, wherein the radiating plates are rubber plates and are separately and internally provided with a liquid flow channel; the liquid inlet and the liquid outlet are respectively communicated with the two ends of the liquid flow channels; each radiating plate is arranged between very two adjacent battery packs and is separately in contact with batteries in the two adjacent battery packs, so that the batteries between the two adjacent battery packs can be cooled in a process that cooling liquid is input through the liquid inlet, flows through the liquid flow channels and then flows out from the liquid outlet. By adopting the structure, the phenomenon that an explosion occurs under the squeezing of the adjacent liquid cooling devices when the batteries are thermally expanded can be effectively avoided.

The invention discloses a smelting furnace for producing aluminum or aluminum alloy. The smelting furnace comprises a first smelting cavity, a first driving motor, a second driving motor, a hot air machine, a first filter screen and a second filter screen, wherein a feeding hopper is arranged at the upper end of the first smelting cavity, the first driving motor is installed on the left side of the first smelting cavity, the upper end and the lower end of a second stirring shaft are provided with a first grinding shaft and a second grinding shaft respectively, a heat collecting plate is arranged at the outer end of an electric heating wire placing groove, and an anti-sticking layer is sprayed on the outer layer of the heat collecting plate. The first rotating shaft and the second rotatingshaft in the smelting furnace for producing the aluminum or the aluminum alloy are in rotating motion in the same direction, so that raw materials for producing the aluminum or the aluminum alloy canbe stirred, grinding and cutting of fine particles and larger particles in the raw materials for producing the aluminum or the aluminum alloy are facilitated; and the raw materials used for producingthe aluminum or the aluminum alloy are prevented from being adhered to the side wall of the smelting furnace in the melting process of the raw materials for producing the aluminum or the aluminum alloy.

The invention is applied to the technical field of communications, and provides a terminal with an application safety alarm function, and an alarm method thereof. The terminal comprises a temperature measuring module for measuring the temperature of a terminal heating part and sending a first alarm signal after the temperature of the heating part reaches a first temperature threshold; a control module for receiving the first alarm signal and sending a control instruction; and an alarm module for receiving the control instruction and giving a prompt about alarm information, such that the terminal can be prevented from possible exploration caused by continuous work under the condition of too high temperature, and the application safety of the terminal is maintained.

The invention discloses a converter dry dedusting and waste heat recycling device and method. The device comprises a smoke gas ingredient concentration intervention section component, a high-temperature smoke gas cooling section component, a gravity dedusting component, a cloth bag dust remover, a low-temperature smoke gas cooling section component and a mixer. An evaporative cooling flue outlet of a converter smoke outlet is sequentially connected with the smoke gas ingredient concentration intervention section component and the high-temperature smoke gas cooling section component and then isconnected with an inlet of the gravity dust removal component, an outlet of the gravity dust removal component is connected with an inlet of the cloth bag dust remover, an outlet of the cloth bag dust remover is connected with an inlet of the low-temperature smoke gas cooling section component through a pipeline, and an outlet of the low-temperature smoke gas cooling section component is connected with a smoke gas recycling mechanism. Smoke gas produced in a converter can be quite effectively purified, the temperature of smoke gas entering a cloth bag for dust removal can be controlled withina certain range, smoke gas waste heat can be absorbed, and the low-temperature waste heat recycling problem is solved.

The invention discloses a power supply work personnel outdoor stove which comprises a stove body, wherein the stove body is provided with a solar power generation device and a self-extinguishing device, the solar power generation device comprises a collecting lens, a solar energy panel, a support rod, a rotary regulation part, a support frame, an output line and a photoelectric converter, the collecting lens is arranged on the solar energy panel by virtue of the support rod, and the rear part of the solar energy panel is connected wit the support frame by virtue of the rotary regulation part; one end of the output line is connected with the solar energy panel, the other end of the output line is connected with the photoelectric converter; and the self-extinguishing device comprises an extingiushment box, an inductor and a controller, the extingiushment box is internally provided with an extinguishant, and the inductor is connected with the extingiushment box by virtue of the controller. Solar power generation is adopted by the power supply work personnel outdoor stove disclosed by the invention, the condition that a gas tank explodes easily due to jolt in a transportation process is avoided, the power supply work personnel outdoor stove has a self-extinguishing function, and can be used for putting out an ignited weeds in time.

The invention discloses a method for welding a well ground pipeline for gas extraction in a mining area. The method comprises the specific steps that A, a water stop isolation strip is installed at the extending-in end of a gas guiding pipe (6); B, the extending-in end of the gas guiding pipe (6) is inserted into a mining well casing (1), the water stop isolation strip is made to be tightly attached to the mining well casing, and the length of the portion, led out of the ground, of the gas guiding pipe (6) is not smaller than 5 m; C, slurry or water is fed into the mining well casing (1) from an end port of the mining well casing (1), it is guaranteed that the depth of the slurry or the water above the water stop isolation strip is not smaller than 2 m, and then a liquid blocking layer (4) is formed; D, a flange (5) is welded to the end port of the mining well casing (1); E, the depth of the slurry or the water above the water stop isolation strip is kept not smaller than 2 m in the welding process; F, after welding of the flange, the gas guiding pipe (6) is taken out of the mining well casing (1). By the adoption of the method for welding the well ground pipeline for gas extraction in the mining area, the safety of welding of the ground well mouth pipeline is guaranteed in the presence of gas in the mining area, and the method is suitable for maintenance or refitting of the well mouth pipeline in the mining area.

The invention discloses a camera installing mechanism convenient to move. The camera installing mechanism comprises an anti-explosion protective guard, an anti-explosion professional electrical platform, a junction box, an installing support, double-rollers and slide bars, wherein the anti-explosion protective guard is arranged at the top part of the anti-explosion professional electrical platform; the bottom part of the anti-explosion professional electrical platform is located on the installing support; the front end of the anti-explosion protective guard is also provided with a windshield wiper; a fixed steel plate is also welded to the side face of the installing support; the junction box is fixedly arranged on the fixed steel plate; the two double-rollers are connected below the installing support through a connecting plate; each double-roller is clamped on the corresponding slide bar; anti-explosion flexible pipes are respectively connected between the anti-explosion protective guard and the junction box and between the anti-explosion professional electrical platform and the junction box. Through the structure, the camera installing mechanism disclosed by the invention has anti-explosion ability, and is also suitable for places with explosive mixtures; meanwhile, after the mechanism is installed, the position of the camera installing mechanism can also be changed without taking down for reinstallation, and therefore the phenomenon that the mechanism is damaged due to the fact that the mechanism is repeatedly disassembled and assembled is avoided, and the aesthetic property of the wall is kept.

The invention discloses an electric vehicle battery safety protection integrated system. The electric vehicle battery safety protection integrated system comprises a temperature information acquisition module, an electric power information acquisition module, a data receiving module, a data processing module, a master control module, a battery protection module and an alarm. The temperature information acquisition module is used for monitoring temperature information Ct of a battery of an electric vehicle in real time, the electric power information acquisition module is used for acquiring voltage fluctuation information during power supply and charging of the electric vehicle, the voltage fluctuation information during charging is Dt, and the voltage fluctuation information during power supply is Pt; and the data receiving module is used for receiving the temperature information and the voltage fluctuation information and sending the temperature information and the voltage fluctuationinformation to the data processing module, and the data processing module is used for processing the received data. According to the invention, better protection can be provided for the battery of the electric vehicle, accidents caused by an over-high temperature and an unstable voltage of the battery of the electric vehicle are avoided, and meanwhile, a user can use the system more conveniently.

The invention discloses a camera installation mechanism with the anti-explosion function. The camera installation mechanism with the anti-explosion function comprises an anti-explosion shield, an anti-explosion electrical platform, a junction box, an installation base plate, an installation support and a windshield wiper, wherein the anti-explosion shield is installed on the top of the anti-explosion electrical platform, the bottom of the anti-explosion electrical platform is installed on the installation support, and the windshield wiper is further installed on the end face of the anti-explosion shield; a fixed steel plate is further welded to the side face of the installation support, the junction box is fixedly installed on the fixed steel plate, the installation base plate is arranged on the side wall of the lower portion of the installation support, and the installation support can rotate around the connecting end of the installation base plate; anti-explosion flexible pipes are installed between the anti-explosion shield and the junction box and between the anti-explosion electrical platform and the junction box; an illumination sensor is installed on the bottom of the anti-explosion shield, multiple infrared lamps are arranged on the inner wall of the anti-explosion shield, all the infrared lamps are connected with the illumination sensor, and the illumination sensor is connected to the junction box through the anti-explosion flexible pipes. By the adoption of the structure, the camera installation mechanism has the anti-explosion capacity and is quite suitable for the places containing combustible gas or an explosive mixture of steam and air or containing combustible dust mixtures, and the excellent monitoring effect can also be guaranteed at night by the adoption of the mechanism.

The invention discloses a solar photovoltaic panel with an anti-explosion protective net on the surface, which comprises a bottom plate and a mounting bin. A mounting cavity is formed in the mounting bin, two sliding grooves are formed in the two sides of the inner side of the mounting cavity, two sliding blocks are slidably connected in the two sliding grooves respectively, a photovoltaic panel body is fixedly connected between the two sliding blocks, the photovoltaic panel body comprises an aluminum alloy frame fixedly connected between the two sliding blocks, and the interior of the aluminum alloy frame is divided into a plurality of mounting notches by a plurality of aluminum alloy plates. A protective net cover is arranged in the photovoltaic panel body, a cavity is formed in the protective net cover, and heat dissipation of a battery is facilitated. A heat dissipation assembly is arranged in the mounting cavity, when the temperature of a temperature sensor reaches a threshold, a first motor is started, a fan is driven to rotate, the interior of the mounting cavity is cooled, the temperature condition of the working environment of the photovoltaic panel body is guaranteed, and potential safety hazards are further reduced. Through double protection, the phenomenon of battery explosion can be effectively avoided , and the protection performance is more comprehensive.

The invention discloses a smelting apparatus and method for smelting metal materals. The present invention discloses a smelting apparatus including a crucible for accommodating plural metal materials, a main furnace, a cooling mechanism, a mold and a burning stove. The burning stove heats the crucible such that the plural metal materials are formed as an alloy soup. The main furnace may be rotated and makes the alloy soup flow into the mold from the crucible, such that the cooled alloy soup is formed an alloy material in the mold. The main furnace has a sealing element for sealing the crucible and the main furnace that is disposed between the crucible and the main furnace. The cooling mechanism is disposed on the crucible and the main furnace and it may cool the sealing element to prevent from damage of the sealing element.