37results about How to "Avoid poisoning accidents" patented technology

The invention relates to a gas leakage detector which comprises a smell sensor (1), a comparison amplifier (2), a control part (3) and an alarm (4), wherein the smell sensor receives and transmits gas smell; the comparison amplifier receives signals transmitted by the smell sensor (1) and carries out comparative amplification on the weak signals; the control part analyzes the signals transmitted by the comparison amplifier (2), and then sends an alarm signal to the alarm (4) in case of abnormal smell or sends a non-alarm signal to the alarm (4) in case of normal smell; and the alarm gives an alarm according to the signals sent by the control part (3). The gas leakage detector can achieve convenient installation and wiring and automatic routing inspection, locking and setting; and when concentration of the detected gas in an environment reaches or exceeds a preset alarm value, the alarm can give out a sound-light alarm immediately to remind a user of taking safety measures. The detector can be widely applied to hazardous sites where inflammable, explosive and toxic gas exists in gas, petroleum, chemical industry, metallurgy and other fields.

The invention discloses a smoke sensing alarm system based on GSM short message technology and an operation method thereof. The smoke sensing alarm system and the operation method belong to the technical field of automotive instruments. The smoke sensing alarm system comprises the components of a smoke sensor, a single-chip microcomputer module, a state display module, a buzzer alarm module, a GSM communication module and a power supply. The smoke sensor is used for detecting the smoke concentration in an automobile. The smoke sensor is connected with the single-chip microcomputer module. The state display module is connected with the single-chip microcomputer module and is used for displaying the data processing result of the single-chip microcomputer module. The buzzer alarm module is mounted in the automobile and is connected with the single-chip microcomputer module and generates an audio alarm according to the output instruction of the single-chip microcomputer module. The GSM communication module is connected with the single-chip microcomputer module and is used for transmitting an alarm signal to a contact person. The smoke sensing alarm system settles problems of in-automobile person injury by an overhigh gas concentration in the automobile and incapability of finding in time. The smoke sensing alarm system has advantages of detecting the gas concentration in the automobile in real time, generating an alarm signal when the gas concentration exceeds a safe range, and transmitting alarm information to the mobile phones of an automobile owner and a preset contact person.

The invention discloses a gas leakage treatment method and apparatus of a gas cooker. The gas leakage treatment method comprises the following steps: acquiring the gas leakage amount of the gas cooker; judging whether the gas leakage amount is more than a first preset threshold value; if the gas leakage amount is more than the first preset threshold value, controlling the gas cooker to stop outputting the gas, and controlling a ventilation device to be opened; in a preset time after the ventilation device is opened, if the gas leakage amount is greater than a second preset threshold value, controlling all household appliances to be powered off. By adopting the gas leakage treatment method, when the gas leakage happens, the gas can be prevented from being leaked continuously, the content of gas inside a room can be effectively reduced, in addition, when the content of indoor gas is continuously increased, all household appliances are controlled to be powered off, so that the accidents such as gas poisoning, fire and the like can be effectively prevented.

The invention discloses a fertilizer, in particular an iodine accumulation seaweed fertilizer and a manufacture method thereof. The iodine accumulation seaweed fertilizer has the special aspects that the iodine accumulation seaweed fertilizer is a solid preparation made of the material and auxiliary materials by weight parts as follows: iodine is 1 to 35 parts, benzoate is 110 to 160 parts, compound sodium nitrophenolate is 1 to 8 parts, alcohol is 300 to 800 parts, water is 60 to 120 parts, and alkali is 1 to 2 parts. The solid preparation is granula, which has the particle size range that the diameter ranges from 2 to 3mm. The iodine accumulation seaweed fertilizer effectively improves the root environments of planting crops, and restrains the proliferation rate and the survival rate of nematodes, thereby restricting the quantity and the epidemic degree of the nematodes and promoting the well-developed root system of the planting crops. The iodine accumulation seaweed fertilizer not only provides microelement nutrition to the nutrient deficiency of plants, but also has restraining and repellent effects on the root knot nematode, and is the ideal preparation for producing harmless agricultural products.

The invention discloses an explosion-protection rapid purging device for natural gas systems, which comprises a shell, a gas pipe and an gas-guide pipe both arranged outside the shell and respectively provided with a gas ball valve and a natural gas ball valve, a fire-extinguishing gas pipe connected with the other end of the gas ball valve, and a natural gas pipeline connected with the other endof the natural gas ball valve. The invention is characterized in that a partition is arranged inside the shell, and a gas-guide moving interface mechanism and a gas-guiding static interface mechanismtogether with linked ball valve control mechanisms thereof are arranged at two sides of the partition. The invention has the advantages of reasonable design, good effect, and strong function of automatic rapid purging; and is particularly incorporated in the PLC automatic control system together with the rapid cut-off valve, thereby realizing the rapid purging with capability of automatic safety control of natural gas.

The invention discloses a gas continuous releasing device and a coal mine air leakage volume detection method using the same, and relates to the technical field of coal mine mining. A gas storage cylinder for storing sulfur hexafluoride gas is arranged in a box body; the air outlet end of the gas storage cylinder communicates with an air delivery pipe; the tail end of the air delivery pipe is connected with an inlet section of a decompression device; an outlet section of the decompression device communicates with the air inlet end of a pressure stabilizing valve; the air inlet end of the pressure stabilizing valve communicates with the air inlet end of a flow measuring device; the air outlet end of the flow measuring device is connected with an air outlet pipe; the air outlet pipe extendsout of the box body; and a drying oven with a desiccant is also arranged in the box body. The air leakage condition of a working face can be found in time, the basis is provided for coal mine ventilation control technicians to manage the air volume of the working face, reduce the air leakage of the working face, and prevent coal spontaneous combustion and gas accumulation, the technical guaranteeis provided for the safe production of a coal mine, the hidden danger of spontaneous combustion during the mining of the working face can be eliminated, and the safe and smooth mining of the working face is ensured.

The invention discloses a wireless sensor network (WSN)-based staff tracking and monitoring system for a petrochemical sulfur-containing device. A sulfur-containing device monitoring area is divided into a plurality of monitoring cells (2). A plurality of sensor nodes (1) and a sink node (6) of the sensor nodes (1) are deployed in each monitoring cell (2). The sink node (6) is connected with an intra-plant computer network (5) through a gateway node (4). A portable hydrogen sulfide (H2S) detector capable of acquiring the concentration of H2S at the position of the detector and performing positioning and information transmission through wireless communication modules of the sensor nodes (1) is provided. By the system, the concentration of the H2S and the position and safety of staff on the scene can be monitored in a centralized way, and H2S poisoning accidents can be effectively prevented.

The invention relates to a particle type suffocation-preventing emergency mask capable of releasing water and oxygen. The emergency mask comprises a mask body and hangers. The hangers are arranged on the two sides of the mask body which comprises a wrapping gauze layer, a filtering layer, an oxygen-supply moisturizing layer and a breathable soft pad layer, wherein the filtering layer, the oxygen-supply moisturizing layer and the breathable soft pad layer are sequentially arranged in the wrapping gauze layer from outside to inside. The filtering layer is used for filtering poisonous gas and smoke generated in a fire hazard, so that air is purified, and poisoning accidents are avoided; the oxygen-supply moisturizing layer can release water to keep the cotton pad layer wet, high-temperature dry air is cooled and humidified, and therefore intense stimulation on the respiratory tract is avoided; oxygen particles are decomposed by water to generate a large quantity of oxygen, so that oxygen in air sucked in by a human body is supplemented, deaths by suffocation due to oxygen deprivation in the fire hazard are avoided, and the first-aid effect in the fire hazard is achieved. Besides, the mask is light in structure, low in price and easy to wear and can be popularized in hospitals, schools, factories, office buildings and all families.

The invention provides a method for intelligently controlling the SO2 concentration of an iron pyrite downhole working face. According to the method, an observation station is built on the downhole working face and comprises a sampling ore heap formed through accumulation of high-grade iron pyrite in the working face, and the observation station further comprises a controller, an SO2 concentrationsensor and a temperature sensor; and the controller collects SO2 concentration data of the position of the observation station through the SO2 concentration sensor and collects temperature data of the position of the observation station through the temperature sensor, and a ventilation bureau fan and an accident alarm on the working face are controlled according to monitor data. The method is simple, efficient, safe, intelligent and reliable, the effect is good, the concentration and temperature of SO2 of the downhole working face can be automatically monitored, and the SO2 concentration canbe safely controlled.

The invention discloses an offshore oil platform cabin tank circulating stirring flushing method and a stirring flushing system of the offshore oil platform cabin tank circulating stirring flushing method. The offshore oil platform cabin tank circulating stirring flushing method and the stirring flushing system are used in the cleaning and stirring construction of an offshore oil platform cabin tank. The cabin tank, a power pump and a manifold valve set in an offshore oil platform are utilized and connected with a hydraulic jet stirring and cleaning device arranged in the cabin tank through water pipelines to form the stirring flushing system. Each cabin tank outlet gate is connected with a flushing gate in parallel, a stirring flushing gate and a stirring flushing pipeline are additionally arranged on the manifold valve set, the flushing gates of the cabin tank are connected with the hydraulic jet stirring cleaning device fixedly arranged in the cabin tank, and a stirring cleaning loop is formed. Outlet gates, the flushing gates and the manifold valve set are inverted and replaced, and stirring and cleaning work is implemented. The system is good in use effect, a cabin cleaning effect is ideal, meanwhile, the storage condition of workover fluid is improved, and no deposit exists in the cabin at ordinary times. The method and the system have the advantages of protecting the environment, saving energy, reducing consumption and achieving cleaner production.

The invention discloses a power electrical cabinet with a temperature standard-exceeding alarm function and a using method thereof. The power electrical cabinet belongs to the technical field of electrical fire prevention and comprises a power electrical cabinet body and an intelligent control system arranged on one side of the power electrical cabinet body, a thermocouple sensor is arranged on the inner side wall of the power electrical cabinet body, and a carbon dioxide fire extinguisher is arranged at the bottom of the inner side wall of the power electrical cabinet body. In the present invention, a thermocouple sensor, a microcontroller, a fire extinguishing drive circuit, an electromagnetic control valve, a carbon dioxide fire extinguisher, an electric push rod, a voice drive circuit,a voice player, an SIM card circuit, a monitoring alarm device and an intelligent terminal are matched with one another; the carbon dioxide fire extinguisher is used for extinguishing fire, automaticand timely fire extinguishing in the electric power electrical cabinet body is achieved, the fireproof performance is good, huge losses caused by fire disasters are reduced, multiple alarm protectionis achieved, and more losses caused by chain reaction due to the fact that the temperature in the electric power electrical cabinet body is too high are further reduced.

The present invention is a nitrogen valve group for safety protection, which includes a first valve, a second valve, and the first valve and the second valve are sealed and communicated, and is characterized in that it also includes a one-way valve, a nitrogen branch line and a third Valve, the one-way valve is sealingly connected between the second valve and the first valve, one end of the nitrogen branch line is placed in sealing communication between the second valve and the one-way valve, and the other end is sealingly connected with the third valve. When using, first open the first valve, then open the third valve, after a large amount of nitrogen is discharged from the third valve, close the third valve, and at the same time, open the second valve, the nitrogen system passes through the first valve, one-way valve and the second valve in sequence. The second valve feeds nitrogen into the accident pipeline or equipment of the production system, quickly and effectively dilutes or replaces the flammable and explosive medium in the leaking part, and effectively controls the deterioration of the accident.

The invention discloses a gas cooker capable of avoiding gas poisoning. The gas cooker capable of avoiding gas poisoning comprises a cooker bench and a cooker frame, wherein a gas inlet channel is formed in the cooker bench, an igniter is arranged at the joint of the gas inlet channel and the outside, the cooker frame and the cooker bench are jointly provided with a vent hole, a sliding cavity communicating with the vent hole is formed in the cooker bench, a separating plate is slidably connected in the sliding cavity in a sealed mode, the side, close to the vent hole, of the separating plateis fixedly connected with a reaction layer and a supporting rod, the supporting rod penetrates through the side wall of the sliding cavity and communicates with the gas inlet channel, an outlet is formed in the side, away from the supporting rod, of the sliding cavity and communicates with the outside, an impeller is connected to the side, close to the outlet, of the separating plate, and an exhaust channel is formed in the separating plate in a penetrating mode. The gas cooker has the advantages that through detection for gas after combustion, strong reducing gas CO reacts with ferric oxide at high temperature to generate iron, an electromagnet attracts the separating plate, then a valve of the gas cooker is closed, and thus poisoning is avoided.

The present invention proposes a kind of intelligent control pyrite mine underground working face SO 2 Concentration method, the method is by establishing a measuring station at the underground working face; the measuring station includes a sampling ore pile formed by stacking high-grade pyrite in the working face, and also includes a controller, SO 2 Concentration sensor, temperature sensor; The controller passes SO 2 The concentration sensor collects the station position SO 2 Concentration data, temperature data at the location of the station are collected by the temperature sensor, and the ventilation fan and the accident alarm at the working face are controlled according to the monitoring data. 2 concentration and temperature, it is safe for SO 2 concentration is controlled.

Factor substances which influence a human body or factor substances generated from a human body are acquired in an indoor space, and the environment of the indoor space is efficiently monitored. Disclosed are an air cleaning device and an air cleaning monitoring system using the air cleaning device. The air cleaning device is comprised of a cleaning device body (2) in which an air passage (3) is formed; a suction means (4) which introduces an air (A) to the air passage (3) of the cleaning device body (2); a cleaning member (5) which cleans the air (A) introduced to the air passage (3); and an acquisition member (6) provided in an area through which the air (A) that has been introduced to the air passage (3) but is not cleaned by the cleaning member (5) passes, wherein gaseous or suspended particulate factor substances which are contained in the air (A) that is not cleaned, and influence a human body are acquired so as to be monitored, at least before the factor substances increases beyond the allowable range, or gaseous or suspended particulate factor substances which are contained in the air (A) that is not cleaned, and are generated from a human body are acquired so as to be monitored.

The invention discloses a coke oven partial combustion chamber gas exchange and heating method. The method includes the steps that firstly, when an oven wall of an Nth coking chamber needs to be repaired, gas inflow of the Nth row, the (N+1)th row and the (N+2)th row of blast furnaces is shut off, and gas inflow of the (N-1)th row, the Nth row, the (N+1)th row and the (N+2)th row of coke ovens is started; secondly, the cover plate opening degree of air inlet doors of an Nth, an (N+1)th and an (N+2)th exchange opening and closing devices of a flue is increased, and the turning plate opening degree of an (N-1)th, the Nth, the (N+1)th, the (N+2)th and an (N+3)th exchange opening and closing devices of the flue is reduced; thirdly, after flame on the top of the furnaces is normal, a four-way small porous plate needing to be cooled and corresponding to a fire path is taken off and replaced with a blind plate, and the oven wall of the Nth coking chamber is repaired; fourthly, after the oven wall is repaired, the doors are heated, and after the temperature of the fire path reaches the kindling point, the blind plate is taken off and replaced with the original small porous plate; fifthly, gas inflow of the coke ovens in the first step is shut off, the cover plate opening degree of the air inlet doors of the exchange opening and closing devices and the turning plate opening degree of the exchange opening and closing devices in the second step are restored, and gas inflow of the blast furnaces in the first step is restored. The method has the advantages of being safe and convenient to use.

The invention discloses an efficient alloy baking device and a baking method thereof in the field of alloy baking. The efficient alloy baking device comprises a hot-blast stove, the hot-blast stove isconnected with an air inducing mechanism through a hot-blast pipeline, a temperature adjusting mechanism is further arranged between the air inducing mechanism and the hot-blast stove, the air inducing mechanism is connected with a baking bin, and the baking bin is arranged on a rack. The hot-blast stove is arranged on one side of the rack, a weighing and discharging mechanism is arranged below the baking bin, the baking bin is further provided with a feeding mechanism in a matched mode, and the hot-blast stove is controlled by an intelligent detection control system. The hot-blast stove andthe baking bin are of a separated structure, coal gas can be fully combusted, carbon monoxide poisoning accidents are avoided, safety measures are complete, the hot-blast stove is controlled by the intelligent detection control system, the hot-blast stove and the baking bin can be monitored in real time, and the heat energy utilization efficiency is greatly improved through the air inducing mechanism and the temperature adjusting mechanism. The efficient alloy baking device and the baking method thereof can be used for iron alloy baking.

The invention relates to a pipeline type suffocation-preventing emergency mask capable of releasing water and oxygen. The emergency mask comprises a mask body and hangers. The hangers are arranged on the two sides of the mask body which comprises a wrapping gauze layer, a filtering layer, an oxygen-supply moisturizing layer and a breathable soft pad layer, wherein the filtering layer, the oxygen-supply moisturizing layer and the breathable soft pad layer are sequentially arranged in the wrapping gauze layer from outside to inside. The filtering layer is used for filtering poisonous gas and smoke generated in a fire hazard, so that air is purified, and poisoning accidents are avoided; the oxygen-supply moisturizing layer can release water to keep the cotton pad layer wet, high-temperature dry air is cooled and humidified, and therefore intense stimulation on the respiratory tract of a human body is avoided; oxygen particles are decomposed by water to generate a large quantity of oxygen, so that oxygen in air sucked in by the human body is supplemented, deaths by suffocation due to oxygen deprivation in the fire hazard are avoided, and the first-aid effect in the fire hazard is achieved. Besides, the mask is light in structure, low in price and easy to wear and can be popularized in hospitals, schools, factories, office buildings and all families.

The invention discloses an exhaust pipe buffer tank of a phosphorus diffusion furnace. The exhaust pipe buffer tank comprises a square buffer tank body, wherein a furnace pipe opening is formed in the rear side wall of the buffer tank body; a furnace pipe of the phosphorus diffusion furnace extends into a buffer tank through the furnace pipe opening; a furnace cap is arranged on the furnace pipe mouth part; the furnace cap comprises a cylindrical quartz cap body with a sealed bottom; an outward-protruding opening extension mouth is arranged at the bottom of the cap body; a quartz clamp ring is welded on the inner wall of the bottom of the cap body; the opening extension mouth is arranged between the bottom surface of the clamp ring and the bottom wall of the cap body; the front side of the buffer tank body is open, and a sealing door is arranged; a locking structure is arranged between the left side of the sealing door and the buffer tank body; a guide structure is arranged on the sealing door; and an exhaust pipe opening is formed in the right side wall of the buffer tank body. According to the invention, a guide structure is arranged on the sealing door of the buffer tank to guide air in, and thus the tail gas discharged by the furnace pipe can be cooled and dispersed by natural air; and the furnace cap can guide phosphorus oxychloride gas to prevent the buffer tank from dispersing the harmful gas phosphorus oxychloride to air.

The invention provides a wellhead discharge device and an exhaust method of an SAGD production well and the SAGD production well. The SAGD production well comprises a sleeve and a liquid discharge pipe arranged in the sleeve. The wellhead discharge device comprises a first pipeline communicating with the liquid discharge pipe, a second pipeline and a first throttle device arranged on the second pipeline. The first end of the second pipeline communicates with the sleeve, and the second end of the second pipeline is connected to the first pipeline. The first throttle device comprises a one-way valve and a first valve which are arranged in a spaced mode. The conducting direction of the one-way valve is from the second end of the second pipeline to the first end of the second pipeline. By adoption of the technical scheme, the problems that an operator is prone to poisoning during exhaust operation of an SAGD production well exhaust device, and exhaust operation pollutes the environment are solved.

The invention discloses an offshore oil platform cabin tank circulating stirring flushing method and a stirring flushing system of the offshore oil platform cabin tank circulating stirring flushing method. The offshore oil platform cabin tank circulating stirring flushing method and the stirring flushing system are used in the cleaning and stirring construction of an offshore oil platform cabin tank. The cabin tank, a power pump and a manifold valve set in an offshore oil platform are utilized and connected with a hydraulic jet stirring and cleaning device arranged in the cabin tank through water pipelines to form the stirring flushing system. Each cabin tank outlet gate is connected with a flushing gate in parallel, a stirring flushing gate and a stirring flushing pipeline are additionally arranged on the manifold valve set, the flushing gates of the cabin tank are connected with the hydraulic jet stirring cleaning device fixedly arranged in the cabin tank, and a stirring cleaning loop is formed. Outlet gates, the flushing gates and the manifold valve set are inverted and replaced, and stirring and cleaning work is implemented. The system is good in use effect, a cabin cleaning effect is ideal, meanwhile, the storage condition of workover fluid is improved, and no deposit exists in the cabin at ordinary times. The method and the system have the advantages of protecting the environment, saving energy, reducing consumption and achieving cleaner production.

Factor substances which influence a human body or factor substances generated from a human body are acquired in an indoor space, and the environment of the indoor space is efficiently monitored. Disclosed are an air cleaning device and an air cleaning monitoring system using the air cleaning device. The air cleaning device is comprised of a cleaning device body (2) in which an air passage (3) is formed; a suction means (4) which introduces an air (A) to the air passage (3) of the cleaning device body (2); a cleaning member (5) which cleans the air (A) introduced to the air passage (3); and an acquisition member (6) provided in an area through which the air (A) that has been introduced to the air passage (3) but is not cleaned by the cleaning member (5) passes, wherein gaseous or suspended particulate factor substances which are contained in the air (A) that is not cleaned, and influence a human body are acquired so as to be monitored, at least before the factor substances increases beyond the allowable range, or gaseous or suspended particulate factor substances which are contained in the air (A) that is not cleaned, and are generated from a human body are acquired so as to be monitored.