31results about How to "Reduce fire safety hazards" patented technology

The invention relates to the field of fire protection, and specifically relates to an intelligent wireless fire detection alarm system. The system comprises data acquisition devices used for acquiring the environment parameters of an installation site, a server used for storing, analyzing and processing data, an alarm used for sounding an alarm at the installation site, remote control terminals used for remote control, and a production management platform used for background management. The data acquisition devices and the alarm are installed on the site. Each data acquisition device comprises a temperature sensor used for detecting temperature, a smoke sensor used for detecting the concentration of smoke, and a combustible gas sensor used for detecting the concentration of combustible gas, wherein the temperature sensor, the smoke sensor and the combustible gas sensor are integrated as a whole. Each integrated data acquisition device is equipped with a bar code or a two-dimensional code. The data acquisition devices, the server, the alarm, the remote control terminals and the production management platform are connected wirelessly. With the intelligent wireless fire detection alarm system, remote control is realized, and measures can be taken to prevent fire accidents. The system has a high degree of intelligence.

The invention discloses a construction method for mounting a deformation joint template at double walls, comprising the following steps of: 1) fabricating a formed template on a plane; 2) fixing a deformation joint template; 3) placing and fixing cement support blocks according to the corresponding positions and the number of screws; and 4) lifting the template in place by a tower crane and lifting the template to the inner side of a deformation joint and placing the template on supporting reinforcing steel bars. According to the method provided by the invention, the operation is simple and the control is easy; the concrete formation quality is stable, so that stepwise construction on the two sides of the deformation joint can be conducted conveniently without influencing the construction of the next step; the temperate is transferred for a plurality of times and is not easy to deform; and fillers such as a polystyrene board does not need to be filled in the deformation joint, so that the economical benefit is improved and the potential safety hazards of the construction site are reduced.

Disclosed is a process for extracting solanesol from tobacco which comprises, using moldy cigarette with moisture percentage below 50%, minced cigarette or residue tobacco leaf after collection as raw material, return flow extracting with alcohol-containing solvent, obtaining extract liquid through filtration, charging hydrocarbon solvent and alkali into the extract for saponification reaction, isolating hydrocarbon solvent phase after end of reaction, then washing the hydrocarbon solvent phase with water and 80% ethanol in sequence, finally concentrating the extracted hydrocarbon solvent phase. The extracting process requires no drying procedure and less energy consumption, the saponification and abstraction can be completed simultaneously.

The invention discloses a turmeric saponin extraction method without waste emission, which comprises the following steps: 1) cleaning the turmeric dug out of farmland with clear water; performing purification treatment of the muddy water after the cleaning to separate mud from water; and returning the mud to the farmland, and circularly cleaning the turmeric with the water until the turmeric is clean; 2) grinding the clean turmeric and performing fermentation, hydrolysis, plate-frame pressure filtration, drying and hydrolysis; 3) adding gasoline into the hydrolysate to extract saponin residue; 4) performing concentration treatment on the SO4<2-> acid liquid after the plate-frame pressure filtration, applying the product to produce potassium sulfate fertilizer, and circularly applying the water to the hydrolysis of the fermented product; and 5) performing concentration, crystallization, diaphragm pressure filtration and drying of the solution after saponin residue extraction in the step 3) to obtain the saponin. The method reduces pollutants from the source and realizes treatment and resource utilization of the pollutants which cannot be reduced from the source in various ways.

The invention provides a semiconductor wafer cleaning and drying device and in particular relates to the technical field of semiconductor wafer cleaning. The semiconductor wafer cleaning and drying device comprises a device body, a water tank, a cover tank, a cover tank moving mechanism connected to the cover tank, a wafer placement basket movably disposed in the water tank, a up-down running mechanism, an IPA bottle and a control panel. The water tank is fixed the device body. The cover tank moving mechanism is located at the two ends of the water tank. An overflow tank is fixed to the outerside of the water tank. The water tank is provided with an overflow port communicating with the overflow tank. A basket fixing bracket is fixed in the water tank. A resistivity probe interface is arranged on the water tank. A drain valve is arranged at the bottom of the water tank. The up-down running mechanism includes a mechanical arm in the water tank and a mechanical arm driving mechanism fordriving the mechanical arm. The mechanical arm driving mechanism is located at a side of the cover tank moving mechanism. The IPA bottle communicates with the inside of the cover tank through a pipe.A nitrogen gas inlet pipe also communicates with the inside of the cover tank. The semiconductor wafer cleaning and drying device combines cleaning and dehydration, avoids heating treatment and reduces production cost.

The invention discloses an antistatic composite wood-plastic material which is prepared by mixing a component A, a component B and a component C. The component A comprises a wood fiber material, the component B comprises thermoplastic plastic, and the component C comprises a flame retardant, an antistatic agent, a coupling agent, a lubricant and an inorganic filler. According to the anti-static composite wood-plastic material and the preparation method thereof, the preparation process is simple, a large number of recycled raw materials are used, the cost of the raw materials is reduced, the wood-plastic composite material is endowed with good flame-retardant and anti-static properties by adding the anti-static agent and the flame retardant, and the flame-retardant property of the wood-plastic composite material can meet the fireproof grade requirement of decorative materials; and the potential safety hazard of fire is reduced, and the potential safety hazard of static electricity to human bodies and other aspects is reduced.

The invention relates to a monitoring system and a monitoring method of power distribution rooms of passenger train carriages and relates to the monitoring system and method. The system comprises an environmental parameter detection system, detection extension sets, a detection host and a terminal management system. The detection extension sets are used for monitoring state information in a real-time manner, displaying normal state information and sending normal state information to a detection host by timing, displaying abnormal state information, alarming and sending abnormal state information to the detection host. The detection host is used for displaying sent state information in a centralized mode and transferring state information to the terminal management system. The terminal management system is used for managing information transferred by the detection host in order to achieve remote centralized monitoring of all trains. The method comprises following steps: detecting environmental parameters of monitoring places; monitoring state information in a real-time mode; displaying state information in a centralized manner; and managing state information. The monitoring system and monitoring method of the power distribution rooms of the passenger train carriages have following beneficial effects: environmental state can be monitored in a real-time manner in order to avoid potential safety hazards of fire disasters; characteristics of convenient maintenance, flexible and convenient networking, convenient application and reliable information transmission are obtained; and the monitoring system and monitoring method are easy to promote and apply.

The invention discloses a fireproof safe type physical experiment table. The fireproof safe type physical experiment table comprises a first cabinet body and a second cabinet body located on one sideof the first cabinet body, wherein a fixed table is fixedly mounted between the tops of the sides, close to each other, of the first cabinet body and the second cabinet body; the tops of the first cabinet body, the second cabinet body and the fixed table are located at the same horizontal height; fireproof side plates are arranged on the sides, away from each other, of the first cabinet body and the second cabinet body. According to the fireproof safe type physical experiment table, fireproof packing and fireproof paint are arranged, fireproof and flame-retardant properties of a fireproof table board are improved, the fireproof paint is arranged on the whole surface layer of the overall physical experiment table, so that hidden safety hazards of fire disaster are reduced, and fireproof safety of the overall physical experiment table is higher; meanwhile, during actual using, the height of the fireproof table board can be adjusted conveniently and rapidly, therefore, follow-up physicalexperiment operation of students is convenient, and use demands of the students of different heights are met.

The invention discloses a low-smoke flame-retardant cable and a preparation method thereof, and relates to the technical field of wires and cables. The problem is solved that a large number of polluting fumes are easily generated as a cable is burning and thus the overall application effect of the cable is poor. The low-smoke flame-retardant cable includes a cable conductor and a cable material. The cable material includes, by weight, 90-110 parts of a PVC resin material, 6-10 parts of ammonium phosphomolybdate, 1-4 parts of calcium carbonate , 3-5 parts of hydrotalcite powder, 8-12 parts of aprocessing agent , 6-15 parts of a plasticizer, 1.5-2.5 parts of a char- forming agent, 5-10 parts of a stabilizer and 0.5-2 parts of color masterbatch. When the low-smoke flame-retardant cable is burning, few polluting fumes are generated, pollution to the environment is less, and thus the cable has a good application effect.

The invention discloses a fire fighting apparatus with an improved structure, and belongs to the field of fire fighting technical equipment. Specially, the fire fighting apparatus sequentially integrates various fire fighting facilities, so that fire fighting facilities can be timely and quickly provided, and therefore, fire is quickly extinguished, fire fighting construction is strengthened, and fire potential safety hazards are reduced. Universal wheels are arranged at the bottom end of a base; a fire fighting sand box is arranged on the upper surface of the base; the lower end of a supporting frame is fixedly connected on the fire fighting sand box; the upper end of the supporting frame is fixedly connected with the bottom end of a storage cabinet; a fire extinguisher placing barrel is fixedly connected to the upper surface of the base; an advertising column is fixedly connected to the outer side of the supporting frame; a protective cover is fixedly connected to the top end of the storage cabinet; and an illuminating lamp is arranged on the protective cover. A connecting frame is fixedly connected onto the supporting frame, a hanger and a buckle are fixedly connected onto the connecting frame, and the buckle is positioned below the hanger.

The invention provides a pretreatment ethanol extraction method of dihydroquercetin in larix gmelini wood powder. The pretreatment ethanol extraction method comprises the following steps: with larix gmelini wood powder as a raw material, firstly pretreating the larix gmelini wood powder: leaching the larix gmelini wood powder with water, wherein the water leaching temperature is room temperature, the water leaching extraction time is 2-5 hours, and the material-water ratio is 1:5 to 1:10; then, filtering water, retaining the wet larix gmelini wood powder, adding an ethanol solution with an ethanol volume fraction of 10-95% for extracting to obtain an ethanol extracting solution, wherein the ethanol extraction method is a soaking extraction method, a reflux method or a leakage method; then concentrating and drying the ethanol extracting solution to obtain a dihydroquercetin crude product, and recrystallizing the dihydroquercetin crude product to obtain fine dihydroquercetin. The pretreatment ethanol extraction method has the main characteristics that the operation process can be directly used without drying, is economic, environmentally friendly, high in yield and suitable for industrial large-scale production, and all the solvents are recycled.

The invention relates to a nine-type small place fire safety management system and a data transmission processing method, and belongs to the technical field of data processing analysis. According to the nine-type small place fire safety management system, front-end independent acquisition equipment is deployed inside nine-type small place owner units to implement fire information monitoring insidethe owner units, and fire information is transmitted to a dependent local police station by utilizing a wireless public mobile communication network or accessing an owner wireless router through an Internet network; the nine-type small place fire safety management system is deployed in a duty room of the police station, is connected with a current nine-type small place security and protection system, receives the fire information reported by nine types of small places, and can view and confirm a fire alarm condition by security and protection cameras and notify the fire information to property departments and owners of nine types of places; and the system can unify users related in the nine-type small place fire safety management process into one whole body and implements closed-loop management.

The invention discloses a fire-resistant composite floor slab and a fire-resistant performance test method thereof. The fire-resistant composite floor slab comprises a fire-resistant steel or fire-resistant weather-proof steel compression floor support plate, and concrete, wherein the fire-resistant steel or fire-resistant weather-proof steel compression floor support plate comprises shaped ribs with closed hollow parts; the concrete is poured on the floor support plate; the floor support plate is made of a base material without coating and films; after the concrete is poured, the upper surface is scraped and maintained; the concrete and the floor support plate are combined as a whole; the whole is used as the fire-resistant composite floor slab; in the initial stage of fire, the deformation of the fire-resistant composite floor slab is delayed, and the deformation amplitude is reduced; in the intermediate stage and high temperature stage, the fire-resistant composite floor slab does not collapse, and the deformation force and overall combination effect of the fire-resistant composite floor slab are maintained; after fire, the bonding performance between the concrete and the floorsupport slab is maintained, the fire-resistant composite floor slab does not fall apart, the deformation recovery degree and remaining bearing capacity of the fire-resistant composite floor slab are higher than 5%, and the fire-resistant composite floor slab still has a combination effect and integrity. The testing method comprises the following steps of: testing mechanical properties of materials, testing the shear-bonding performance and fire resistance of the fire-resistant composite floor slab, testing the residual load-bearing performance and shear-bonding performance after fire, synthesizing new shear adhesion-bonding coefficients, and summing up fire prevention safety factors.

The invention discloses a computer mainframe box with an ash pan. The computer mainframe box with the ash pan comprises a mainframe box body, wherein three expansion slot positions are formed in the front segment of the mainframe box, the ash pan which can automatically enter and exit is arranged on the third expansion slot position, the ash pan comprises a drawer for storing ash and an outer shell with an opening, the drawer and the outer shell are connected through an electric sliding channel, and when entering the outer shell, the drawer is completely closed. When a person smokes beside a computer, the drawer of the ash pan can automatically pop out by just pressing a button of the ash pan and the person can directly lay ash into the drawer of the ash pan. If the person does not finish smoking, a burning cigarette can be directly put into the drawer of the ash pan, the switch of the ash tray can be pressed and then the drawer of the ash pan enters the outer shell of the ash pan, and airtight sealing can be achieved, so that oxygen in the ash pan will be rapidly consumed and a burning cigarette automatically goes out. The ash tray is directly put into the computer mainframe box, the ash tray is convenient to use and saves space, and the ash is convenient to collect and is prevented from flying around so as to be beneficial to beautifying the environment and saving spaces; meanwhile, the automatic ash pan of the mainframe box has the function of automatically quenching the cigarette, and thus potential safety risks of firefighting are reduced.

The invention relates to a full-automatic fire-fighting emergency lamp. The full-automatic fire-fighting emergency lamp comprises an AC(alternating current) / DC(direct current) constant-voltage switch power supply, a charger, a battery, a P-MOS (P-channel metal oxide semiconductor) switch, a relay, a trigger, a voice announcer, an indicating projector, a buzzer and a lighting lamp. On the basis of a common fire-fighting emergency lamp, the full-automatic fire-fighting emergency lamp integrates a buzzer warning function, a voice announcer prompt function and an emergency exit indicating function of the indicating projector, integrates multiple functions, is intelligentized, can provide emergency lighting and give out buzzing to warn users during normal power outage, can start a high-brightness lighting mode when dangerous situations such as fire disasters happen so as to achieve certain visibility in smoke, projects the emergency exit indicating lamp and performs voice announcement to prompt the users of disasters and to pay attention to safety.

The invention discloses a fireproof safe type physical experiment table. The fireproof safe type physical experiment table comprises a first cabinet body and a second cabinet body located on one sideof the first cabinet body, wherein a fixed table is fixedly mounted between the tops of the sides, close to each other, of the first cabinet body and the second cabinet body; the tops of the first cabinet body, the second cabinet body and the fixed table are located at the same horizontal height; fireproof side plates are arranged on the sides, away from each other, of the first cabinet body and the second cabinet body. According to the fireproof safe type physical experiment table, fireproof packing and fireproof paint are arranged, fireproof and flame-retardant properties of a fireproof table board are improved, the fireproof paint is arranged on the whole surface layer of the overall physical experiment table, so that hidden safety hazards of fire disaster are reduced, and fireproof safety of the overall physical experiment table is higher; meanwhile, during actual using, the height of the fireproof table board can be adjusted conveniently and rapidly, therefore, follow-up physicalexperiment operation of students is convenient, and use demands of the students of different heights are met.

The invention discloses a construction method of an archaistic corbel bracket through concrete pouring. The construction method specifically comprises the following steps that A, a drawing of structures of the archaistic corbel bracket is drawn by utilizing computer software according to the requirements of building construction; B, by reference to the structural drawing, a sample plate is drawn; C, moulds of parts of the archaistic corbel bracket are manufactured according to the style of the sample plate; D, concrete is poured in the moulds and meanwhile pressurizing and heating are conducted; E, after poured raw materials in the moulds are solidified, demoulding and forming are conducted; and F, the formed parts of the archaistic corbel bracket are subjected to assembling and installing according to the construction drawing. According to the construction method of the archaistic corbel bracket through concrete pouring, the construction technology is simple, the structure is stable, and the archaistic effect is outstanding.

The invention discloses an arranging construction method for six types of wires of an IDC machine room. The method comprises the steps that the use number of horizontal wire fixing modules of a wire fixing device is selected, and the wire fixing device is composed of right-angled wire fixing modules, the horizontal wire fixing modules, wiring frame reinforcing members and module connecting sheets; multiple horizontal wire fixing modules are respectively installed in the vertical direction and the horizontal direction of a wiring frame to form the first layer of the wire fixing device; six types of wires are clamped in wire slots around the wire fixing device; and the rest six types of wires are arranged in the wire fixing device according to wire arranging routing so as to complete wire arrangement. The construction steps are simplified and construction time is shortened; future capacity expansion and maintenance are facilitated, and efficiency is enhanced; a cable heat radiation problem is effectively solved, and potential fire safety hazard can be reduced; and the wire fixing device can be randomly assembled to meet the requirements of wire arrangement so that adaptability is high.

The invention discloses a light durable wood-plastic composite material for trays. The wood-plastic composite material is prepared by mixing a component A, a component B and a component C. The component A comprises a wood fiber material, thermoplastic plastic and a lubricant; the component B comprises a flame retardant, an antistatic agent, a filler and an ACR modified toughening agent; and the component C comprises an expanding agent and a pigment. According to the light durable wood-plastic composite material for the trays and the preparation method of the light durable wood-plastic composite material, a preparation process is simple, raw material cost is low, environmental protection is achieved, the flame retardance and the antistatic property of the material are good, potential safetyhazards of fire disasters are reduced, potential safety hazards caused by static electricity to human bodies and other aspects are reduced, and high safety is realized; the ACR modified toughening agent is added for modification and toughening, so the toughness and wear resistance of the material are improved, the wear resistance is optimized, the service life is prolonged; and by using the expanding agent, the defects of internal gaps, cavities and surfaces are reduced, internal pressure is maintained, the material is expanded while the performance of the material is ensured, and the weightof the material is reduced.

Disclosed are a diffusion film and a production method. The diffusion film comprises an optical base film and a diffusion layer and an anti-sticking layer which are formed on the optical base film. Coating liquid which is prepared from, by weight, 40-80% water soluble resin emulsion, 10-50% diffusion particles and 1.6-14% functional additives is coated and fixed on the surface of the optical base film to form into the diffusion layer. Coating liquid which is prepared from, by weight, 60-90% water soluble resin emulsion, 0.5-5% diffusion particles and 1.6-14% functional additives is coated and fixed on the surface of the optical base film to form into the anti-sticking layer. Water-based coating liquid which is formed by compatibility of the water soluble resin emulsion, the diffusion particles, water-based crosslinking agents and the functional additives is utilized to perform coating, so that potential risks and human body harms caused by solvents can be avoided.

The invention discloses a production process of a grained pyrograph. The process includes the steps of: making a grained carrier; performing drying, and letting silicone rubber generate grains on thesurface of a PET rubber sheet; then applying screen printing waterborne polyurethane ink to the surface layer of the dried carrier, and using a dye blocking agent for screen printing at the back of the pattern to serve as a backing; then conducting screen printing of a transparent waterborne high elastic polyurethane resin layer by a screen printing plate larger by 0.18mm; and conducting drying bya 140DEG C tunnel furnace for about 2min to melt polyester powder and form a bonding layer on the surface. The process provided by the invention can reduce the production cost and improve productionefficiency, also can achieve personalized customization of any grain effect at will without increasing the cost, has no need of making any mold, after transfer printing, the color is bright, the product only needs 1-2min of drying every time in the production process, and the old production process generally needs hours of drying totally and consumes a lot of energy.

The embodiment of the invention provides a digital simulation temperature safety monitoring method, device and system and a storage medium, and can solve the problems that flame monitoring of an existing incinerator is not in place, and if the flame temperature is too high, a fire disaster is extremely likely to be caused. The digital simulation temperature safety monitoring method can comprise the following steps: acquiring the flame temperature of a hearth; and under the condition that the flame temperature of the hearth is larger than a preset temperature, sending an early warning temperature simulation instruction to a target mobile terminal, wherein the target mobile terminal is a mobile terminal associated with the hearth, and the early warning temperature simulation instruction is used for controlling a battery management system of the target mobile terminal, so as to enable the target mobile terminal to reach the target temperature to carry out fire disaster early warning.

The invention provides an online coating type modified biaxially stretched polyester film and its preparation method and application. The modified biaxially stretched polyester film is coated on one side or both sides of the polyester base film , the coating is obtained after the water-based coating liquid is coated on the surface of the polyester base film and then evaporated and dried. The water-based coating liquid includes water-based resins, curing agents, surfactants, chitosan, and functional additives, The water-soluble resin is obtained by copolymerizing the following monomers: vinylidene chloride, acrylic acid, alkyl (meth)acrylate, vinyl acetate and acrylic cellulose. The film provided by the invention has good barrier properties after aluminized, and is especially suitable for use as food packaging materials. At the same time, the adhesion between the film and the aluminum layer is high, and the peel strength is above 8.7N / 25mm. Due to the high fastness of the aluminum layer, even under high heat and high Dealumination will not occur under wet conditions, which greatly reduces fire safety hazards and harm to the human body, and has obvious environmental protection significance.

The invention discloses a construction method for mounting a deformation joint template at double walls, comprising the following steps of: 1) fabricating a formed template on a plane; 2) fixing a deformation joint template; 3) placing and fixing cement support blocks according to the corresponding positions and the number of screws; and 4) lifting the template in place by a tower crane and lifting the template to the inner side of a deformation joint and placing the template on supporting reinforcing steel bars. According to the method provided by the invention, the operation is simple and the control is easy; the concrete formation quality is stable, so that stepwise construction on the two sides of the deformation joint can be conducted conveniently without influencing the construction of the next step; the temperate is transferred for a plurality of times and is not easy to deform; and fillers such as a polystyrene board does not need to be filled in the deformation joint, so that the economical benefit is improved and the potential safety hazards of the construction site are reduced.

The invention discloses an arched bookshelf used in a library and belongs to the technical field of library devices. The arched bookshelf is composed of an arched shelf edge (1), an arched bookshelf cavity (2), an arched aisle (3), a bottom upwards-facing bookshelf body (4), a bottom supporting bookshelf body (5), book rack plates (6), a book rack body (7), a top connection part (8), an upper book baffle (9) and a lower book baffle (10), wherein the arched shelf edge (1) is the inner surface of the arched bookshelf used in the library, the cross section of the arched shelf edge (1) is arched, the arched shelf edge (1) is 2 m - 2.5 m high and 1 m - 2m wide, transverse supports are arranged at intervals of 30 cm - 50 cm from bottom to top and are used for supporting the book rack plates (6) and the upper book baffle (9), and the book rack plates (6) are plates used for supporting books in the arched bookshelf used in the library and can divide the arched bookshelf used in the library into multiple layers from bottom to top with the height of each layer being 30 cm - 50 cm. The arched bookshelf used in the library is simple in structure, low in manufacturing cost and high in operability.