82results about How to "Effective fire prevention" patented technology

The invention provides a special double-layer temperature-controllable steel frame pleurotus geesteranus greenhouse and a thermoregulation fruiting stimulating cultivation method thereof. The special double-layer temperature-controllable steel frame pleurotus geesteranus greenhouse comprises an outer bracket canopy used as an outer layer and an inner shelf canopy used as an inner layer, wherein the outer bracket canopy comprises a canopy frame, a roof and a canopy frame outer surface covering, the outer bracket canopy and the inner shelf canopy positioned in the inner layer are two sealed canopy frames independent from each other, and the inner shelf canopy is wrapped in the outer bracket canopy; a ventilation opening is formed in the roof of the outer bracket canopy; the inner shelf canopy comprises a shelf canopy roof, a shelf and a shelf canopy outer surface covering, and cooling and humidifying devices are arranged in both the outer bracket canopy and the inner shelf canopy. The special double-layer temperature-controllable steel frame pleurotus geesteranus greenhouse has the characteristics that thermoregulation, humidification, heat insulation and ventilation can be achieved, the convenient regulation of whole micro-climate environment in the pleurotus geesteranus greenhouse can be realized, and pleurotus geesteranus fungus bags can be effectively and conveniently stimulated by temperature differences on site, so that labor cost can be reduced, and both the yield and quality of edible fungi can be improved.

A JP cabinet is a distribution transformer comprehensive power distribution cabinet designed for meeting requirements of standardization, miniaturization and outdoor type of rural low-voltage power distribution equipment. The JP cabinet integrates power distribution, measurement, protection and capacitance reactive compensation. The JP cabinet can be affected with damp easily to conduct electricity when encountering rainy and snowy weathers, has great potential safety hazards, has a short service life, is low in intelligence and can be stolen easily. The invention relates to the field of electric equipment, and specifically provides a JP cabinet comprising a measurement monitoring incoming-line module, an electric energy distribution module, a reactive compensation module, a temperature control module, a fire protection module, an anti-theft module, a moisture-proof module, a GPRS (General Packet Radio Service) communication module, and an outgoing-line module. The JP cabinet provided by the invention can effectively prevent fire, theft and moisture, and achieves intelligent management control by virtue of communication between the GPRS communication module and a background power distribution management control system.

The invention relates to a method for producing bricks and prefabricated parts used for a building and a civilian building by utilizing weeds, crop straw and a polyurethane foam adhesive. The method comprises the following steps of: processing raw materials: cutting the weeds and straw into segments with the length of 20-40cm by utilizing a straw cutter, disorganizing the weed and crop straw segments by adopting a waste wheel machine to eliminate stress, and drying by adopting a drying machine; mixing grass rubber: mixing in a glue mixer, then carrying out compression moulding, injecting rubber into a grass base by adopting a high-pressure pump so as to be subjected to extrusion moulding, eliminating stress of the weeds and the crop straw and spraying the polyurethane foam adhesive into the waste wheel machine so as to be subjected to impact moulding; performing mould pressing, extruding and stamping, wherein hot pressing is adopted; and postprocessing: naturally cooling, placing embedded parts in a rotating aperture manner or directly placing the embedded parts during mould pressing. The products have the advantages of good heat preservation, energy conservation and earthquake-proof effects, strong antiflaming and insect prevention effects and high compression resistance, bending resistance and impact resistance. When the products are used for building a wall, cement is used for smearing a wall surface to prevent grass bricks and prefabricated parts from being damaged, thus the aim of fire protection is achieved.

The invention discloses a fire-fighting door device. The fire-fighting door device comprises a door plate and a door frame arranged in the circumferential direction of the door plate, the outer side of the door frame is arranged in a pre-arranged installation door hole on a wall in a matched mode, and one side of the door plate is hinged to the side wall of the door frame. A rotating shaft is arranged at the position, near the door plate, in the top cavity of the door frame in the width direction of the door frame, a reset spring and an mounting cylinder sleeve the rotating shaft in sequence,one end of the reset spring is connected with the rotating shaft, and the other end of the reset spring is connected with the mounting cylinder. A fire-proof screen is arranged on the outside of the mounting cylinder in a rolling mode, an iron block is arranged at the end part of the outermost layer of the fire-proof screen, and a passageway for the iron block to pass through is arranged at the top of the door frame. An electromagnetic coil is arranged in the top cavity of the door frame, and the electromagnetic coil is electrically connected with preset uninterruptible power supply in the wall. According to the fire-proof door structure, the fire-proof screen is additionally arranged on the outside of the door plate, and the transfer of fire can be blocked for a longer time.

The invention provides a fireproof door. The fire proof door comprises a fireproof doorframe, a first fireproof door, a second fireproof door, a vertical track, a horizontal track and a fireproof connecting plate. The second fireproof door is installed on the fireproof doorframe via the vertical track and the first fireproof door is installed on the fireproof doorframe via the horizontal track; and a closed space is formed between the first fireproof door and the second fireproof door via the fireproof connecting plate. The fireproof door is further connected with a fireproof system and the fireproof system comprises a central controller, a temperature sensor, a smoke sensor, a portrait recognizing unit and a signal receiver; the central controller is connected with the temperature sensorand the smoke sensor; the portrait recognizing unit is connected with a portrait monitoring device and receives recognition information and monitoring information from the portrait monitoring device;the central controller controls whether an oxygen maker, a fire extinguishing liquid device and an air jet device are in operation; the central controller controls a first motor to operate or a secondmotor to rotate or the first motor and the second motor to rotate simultaneously; and the central controller is connected with a switch lock via signals.

A disclosed foam gel preparing apparatus for mine fire preventing and extinguishing comprises a shell (9), a liquid inlet (1) and a foam gel outlet (8) respectively arranged at the two ends of the shell, a foaming device arranged in the shell, and an air inlet pipe (4) arranged on the outer wall of the shell and communicated with the foaming device. The foam gel preparing apparatus also comprises a gelatinizing agent charging pipe (6) and a gelatinizing agent adding device (12); the gelatinizing agent adding device (12) mainly consists of a peripheral-direction charging groove (24), a discharging hole (25) and a positioning barrel (26); the positioning barrel is fixedly disposed on the inner wall of the shell and at the rear of the foaming device; the inner circle of the positioning barrel forms the peripheral-direction charging groove which is communicated with the gelatinizing agent charging pipe; and the discharging hole is arranged on the peripheral-direction charging groove. The apparatus enables a large amount of liquid on a foam wall to form gel in the premise of no damage to foam structure, and by taking foams as a carrier, the diffusion scope of the gel in the fire preventing and extinguishing area is substantially improved, and also a large amount of water is concreted in gel and does not run off.

The invention discloses a multi-core-layer inorganic mineral insulation flexible fireproof cable and a preparation method thereof, belonging to the technical field of power cables. The multi-core-layer inorganic mineral insulation flexible fireproof cable comprises cable cores, inorganic mineral insulation layers, filling layers, inorganic mineral wrapping tapes, a metal tube composite layer, an oxygen barrier layer and a flame-retardant outer sheath, wherein each cable core is formed by twisting a plurality of groups of conductive cores, the outer side of each cable core is coated with the inorganic mineral wrapping tape, and the filling layers are arranged between the cable cores coated with the inorganic mineral insulating layers and the inorganic mineral wrapping tapes. The cable has good flexibility and flame retardance, and is excellent in mechanical shock resistance and waterproof performance under the condition of fire.

A spraying environment-friendly energy-saving anti-explosion fan based on a shaft sump water source comprises a water tank substrate; a water wheel device is arranged on the water tank substrate and is connected with a wind wheel device by a belt; a high-pressure water spraying device is connected with the water wheel device and the wind wheel device; the technical scheme of taking the shaft sump water source as a power source and combining the functions of wind feeding and spraying of a high-pressure water spraying device, the water wheel device and the wind wheel device is adopted; the defects of high frequency of gas and coal dust explosion caused by electric sparks of a motor, high investment cost, complete demand on the system auxiliary project, large machine noise, poor radiating performance, short service life, low production efficiency, severe production labor environment, easily caused occupational diseases of operation staff and severe coal source waste of the existing coal-mining equipment used for the high-gas shaft are overcome; and the spraying environment-friendly energy-saving anti-explosion fan based on the shaft sump water source is suitable for various ventilation equipment for mine excavation, particularly the ventilation equipment for excavation of the high-gas protruded shaft coal layer.

The invention discloses a curved-surface film pressure sensor and a manufacturing method thereof, wherein the curved-surface film pressure sensor is used for a moving part and comprises an elastic curved-surface shell and a splitting type mesh film switch formed on the curved-surface shell, the side, opposite to the curved-surface shell, of the splitting type mesh film switch is coupled to a cutting board shell of the moving part, and the splitting type mesh film switch is used for sensing whether pressure is applied to the curved-surface shell. The curved-surface film pressure sensor can meet appearance requirements of the moving part and sense touch effectively to prevent a detected object from being damaged, and can also effectively resist fire and water.

The invention discloses an outdoor multifunctional novel power distribution cabinet. The outdoor multifunctional novel power distribution cabinet comprises a connecting frame; a motor is arranged at the upper end of the interior of the connecting frame; a lead screw is arranged on the lower side of the motor; an inner thread bushing is arranged on the lead screw; a supporting plate is arranged outside the inner thread bushing; an outer shell is arranged on the upper side of the supporting plate; hollow cavities are formed in the left and right ends in the shell; a water connecting cover is arranged on the upper side of the outer shell; connecting pipes are arranged on the left and right sides of the water connecting cover; an inner shell is arranged on the inner sides of the hollow cavities; a connecting cavity is formed in the lower end between the inner shell and the outer shell; a drain pipe is arranged in the connecting cavity; a cabinet door is arranged on the front sides of the inner shell and the outer shell; a digital coded lock is arranged at the right end of the front side of the cabinet door; an alarm is arranged on the upper side of the left end of the cabinet door; a concave opening is formed in the upper side of the inner shell; a drying cavity is formed in the concave opening; and an air exhausting pipe and a drain pipe are arranged on the left and right sides ofthe drying cavity. According to the outdoor multifunctional novel power distribution cabinet, ventilation, heat dissipation and dry state maintaining of the power distribution cabinet can be realizedeffectively, and stealing of the equipment and rainwater entrance can be prevented effectively, thereby ensuring safe use of the equipment.

The invention discloses a fireproof door with a fire extinguishing function. The fireproof door comprises a rectangular casing internally provided with a rectangular cavity and is characterized by further comprising an upper fixed beam and a lower fixed beam which are arranged at the top end and the bottom end in the rectangular casing and a fireproof wall body and a material containing box which are arranged between the upper fixed beam and the lower fixed beam. Fire extinguishing dry powder is filled in the material containing box, a powder outlet is arranged on the rectangular casing, the material containing box is provided with a butt connection opening connected with the powder outlet in a butting mode, and a baffle is embedded at the position of the powder outlet of the rectangular casing. The fireproof door has the advantages of being capable of preventing fire effectively, having the capability of extinguishing fire and being low in cost.

The invention relates to a fireproof electrical cabinet. The fireproof electrical cabinet includes a cabinet body and a control case. The cabinet body is provided with a cabinet door on the front sidethereof. The cabinet door is provided with a buckle thereon. The cabinet body is provided with fixing levers on the side surface which leans against the wall. The fixing levers are provided with threaded holes thereon. The bottom part of the cabinet body is provided with conical foot pads. The internal walls of the cabinet body are horizontally provided with baffle plates thereon. Each baffle plate is provided with leakage holes thereon. The internal walls of the cabinet body are provided with an electric appliance master switch and a temperature sensor thereon. The electrical appliance master switch and the temperature sensor are both in connection to the control case. The control case is connected to an inert gas case. According to the invention, the fireproof electrical cabinet has theadvantages of fire resistance, slippery resistance and easy usage.

The invention relates to a fire control prevention method and device, a storage medium and computer equipment. The fire control prevention method is executed through a first terminal, and comprises the steps that a patrolling signal is sent to a corresponding fire control facility; the situation fed back by the fire control facility according to the patrolling signal is obtained; and the fed-backsituation is analyzed, and corresponding fire control prevention measures are taken according to the analysis result. According to the fire control prevention method and device, the storage medium andthe computer equipment, patrolling can be regularly conducted on the fire control facility, accordingly, effective fire disaster prevention work can be conducted, the fire disaster hidden danger canbe eliminated, the fire disaster happening probability is reduced, harm caused by the fire disaster is reduced, and effectiveness of the fire control work is improved.

The invention relates to a low smoke zero halogen composite material with functions of water resistance, fire protection and flame retardance. The material comprises the following raw materials in percentage by weight: 70-80 polyethylene (PE) resin, 10-20 plasticizer, 2-5 stabilizing agent, 2-3 lubricant, 5-10 flame retardant, 1-2 PE (Polyethylene) foaming agent, 2-3 hydrophobing agent, 10-20 carbonizing agent, 1-3 elastomer (TPE) and 10-20 PE synthesizing agent. The composite material can be produced to corresponding products or functional structure layers of the products through the extrusion moulding, and is mainly applied in the products or the functional structure layers, such as outer sheath layers of electric cables and electric wires, floors, wall plates, ceilings, fire resisting shutters and the like. The composite material has the advantages of excellent water resistance, fire protection, heat insulation, smoke prevention, ageing resistance, corrosion resistance and the like.

The invention discloses water-based paint which has high heat dissipation and is applied to a wooden door. The water-based paint is prepared from, in parts by weight, 50-70 parts of a main material, 1-2 parts of C9 petroleum resin, 0.1-0.2 part of a catalyst, 1-2 parts of a water-based curing agent, 0.2-0.8 part of cocamidopropyl betaine, 0.4-0.6 part of octylphenol polyoxyethylene ether, 1-4 parts of a composite flame retardant, 2-8 parts of illite, 3-5 parts of quartz sand, 1-4 parts of diatomaceous earth, 1-2 parts of heavy calcium carbonate, 2-8 parts of coal gangue powder, 1-4 parts of hollow glass microbeads, 1-3 parts of an anti-settling agent, 1-3 parts of a dispersant, 0.5-2 parts of a leveling agent and 1-2 parts of a defoamer. A coating of the water-based paint has strong adhesion, a full paint film, no yellowing and brittleness, no organic solvent, a good thermal dissipation effect, excellent flame-retardant performance, superior comprehensive performance and a good protection effect on the wooden door, no peeling emerges on the surface after long-term use of the wooden door, and fire can also be prevented effectively when a fire occurs.

A JP cabinet is a distribution transformer comprehensive power distribution cabinet designed for meeting requirements of standardization, miniaturization and outdoor type of rural low-voltage power distribution equipment. The JP cabinet integrates power distribution, measurement, protection and capacitance reactive compensation. The JP cabinet can be affected with damp easily to conduct electricity when encountering rainy and snowy weathers, has great potential safety hazards, has a short service life, is low in intelligence and can be stolen easily. The invention relates to the field of electric equipment, and specifically provides a JP cabinet comprising a measurement monitoring incoming-line module, an electric energy distribution module, a reactive compensation module, a temperature control module, a fire protection module, an anti-theft module, a moisture-proof module, a GPRS (General Packet Radio Service) communication module, and an outgoing-line module. The JP cabinet provided by the invention can effectively prevent fire, theft and moisture, and achieves intelligent management control by virtue of communication between the GPRS communication module and a background power distribution management control system.

The invention relates to the field of wires and cables, in particular to a PVC electronic connection line. A layer of fire-resistant mica tape is arranged between a conductor and an insulated layer, the outside of the insulated layer is provided with an outer insulated layer, and a fire-resistant oxygen separation layer is arranged between the insulated layer and the outer insulated layer. The PVC electronic connection line has the advantages that the fire-resistant mica tape is arranged between the conductor and the insulated layer, the fire-resistant mica tape is a high-performance mica insulated product and has good high-temperature-resistant performance and combustion-resistance performance, and the single-face synthesis fire-resistant mica tape has good softness and cannot volatilize harmful smoke when combusting in an open fire; the fire-resistant oxygen separation layer is arranged between the insulated layer and the outer insulated layer, and a PVC protection sleeve can be effectively prevented from generating acid gas during combustion; the fire-resistant mica tape and the fire-resistant oxygen separation layer are arranged in the PVC electronic connection line, the fire-resistant effect is good, water-resistant gauze is arranged, and accordingly the PVC electronic connection line is resistant to water and fire.

The invention provides a building insulation material prepared by mixing organic high-molecular composition materials, in particular to a polyurethane foam insulation adhesive cement prepared by dissolving waste foam in thinner containing additives and adding pearl shell powder. The invention adopts the waste foam as a raw material for performing environmental protection effect with reducing pollution and good insulation effect, and adopts the pearl shell powder as a fire retardant for effective fireproofing. The polyurethane foam insulation adhesive cement is an excellent fireproofing and insulation material of construction walls, capable of being used as insulation and waterproofing material of roof layers, and used for cooling in stadiums or public plazas with a wide use. Because of the toughness and sunscreen function of the appearance, heat can not be accumulated on the surface of cement, so as to achieve a cooling effect. Simultaneously, the product prepared by the invention is a white adhesive cement, so that labor saving and time saving can be achieved in color mixing or painting.

The invention relates to a translation-opened automatic hydraulic manhole cover comprising a base (1), a variable angle mechanism (3), a translation mechanism (4), a manhole cover direction control mechanism (5), a manhole cover upper cover (6) and a hydraulic oil cylinder (7). Opening and closing can be achieved in a translation mode, and time and labor are saved.

The invention provides a curvilinear tunnel critical wind speed computing method. The curvilinear tunnel critical wind speed is computed by the following formula: Vcurve=(a+br-cr<2>+dr<3>), and value ranges of letters in the formula are as follows: 0.363<a<0.985, 3.714*10<-3><b<10.08*10<-3>, 4.628*10<-6><c<12.562*10<-6>, 1.788*10<-9><d<4.853*10<-9>. The Vcurve represents critical wind speed (m / s) under different curve radiuses, the r represents the radius (m) of a tunnel curve, wherein 400m<r<1500m. Backflow of smoke is prevented under the minimum longitudinal air supply velocity which is the critical wind speed, the smoke only can spread and extend towards the side of a fire source, personnel evacuating and fire safety are facilitated, and meanwhile the comburent dangerousness is lowered to the minimum by the critical wind speed.

The invention discloses a compound silicate board with a fireproof function, which comprises a first board layer (1) and a second board layer (2), wherein the surfaces of the first board layer (1) and the second board layer (2) are coated with insulation layers, an adhesive layer is coated between contact surfaces of the first board layer (1) and the second board layer (2), and the first board layer (1) and the second board layer (2) are bonded together through the adhesive; the first board layer (1) is provided with a pit (11); and a fireproof layer is coated in the pit (11), so that under the condition that effective insulation is achieved, an effective fireproof function can be achieved, and unnecessary loss can be avoided. The compound silicate board is intelligent and safe.

The invention provides an indoor flame-retardant fire-fighting blanket. The indoor flame-retardant fire-fighting blanket comprises a fire-fighting blanket main body, wherein the fire-fighting blanket main body comprises a first base layer and a second base layer, wherein an air bag is arranged between the first base layer and the second base layer, air guide pipelines are vertically arranged on the upper side and the lower side, close to the outer edge, of the air bag, one ends, far away from the air bag, of the two air guide pipelines penetrate through the first base layer and the second base layer, the first base layer and the second base layer comprise textile layers, adsorption layers are connected to the outer sides of the two textile layers in a bonding mode, heat insulation layers are connected to the outer sides of the two adsorption layers in a bonding mode, flame-retardant layers are connected to the outer sides of the two heat insulation layers in a bonding mode, and the outer walls of the first base layer and the second base layer are coated with first fireproof layers. According to the indoor flame-retardant fire-fighting blanket, inert gas in the air bag, the flame-retardant layers and the heat insulation layers are arranged, so that the fireproof and oxygen-insulation effects of the fire-fighting blanket are improved, and the oxygen-insulation effect is good.

The invention discloses a calcium carbonate mesh gel foam mud fire prevention and extinguishing agent. The key point of the technical scheme adopted by the invention lies in that the calcium carbonate mesh gel foam mud fire prevention and extinguishing agent is composed of a calcium carbonate composite flame retardant foaming agent, attapulgite pottery clay powder with an air purifying function, inorganic fiber spray coating cotton, light calcium carbonate, coal gangue powder, expanded perlite powder, sodium alginate and water. The ingredients of the calcium carbonate mesh gel foam mud fire prevention and extinguishing agent are input into a rake type mixing machine to undergo high-speed stirring, thus obtaining the calcium carbonate mesh gel foam mud fire prevention and extinguishing agent. The mesh gel foam mud is sprayed to a burning coal layer by an inorganic fiber spray coating machine, thus facilitating generating an integral mesh gel foam mud film in a fire prevention and extinguishing process. The film can always cover and adhere to an ore bed surface to rapidly isolate the burning coal layer from air, prevent coal mine from keeping burning and avoid reburning of the coal layer, thus reaching the purposes of flame retardance and fire prevention and extinguishing. The calcium carbonate mesh gel foam mud fire prevention and extinguishing agent is suitable for fire prevention and extinguishing of coal mines, mine operation areas and forests.

The invention relates to an assembling structure of an air conditioner indoor unit electric control box. The assembling structure comprises a square fireproof box, a supporting plate, and wire passingclamping parts arranged on the wall of the fireproof box; multiple clamping holes are symmetrically distributed in the bottom face of the fireproof box along the edge, the supporting plate is arranged in the fireproof box and is provided with a circuit board mounting area used for mounting of a circuit board, multiple clamping parts which extend in the bottom face direction of the fireproof box and are clamped with the clamping holes in a one-to-one corresponding manner and multiple wire hooking clamping parts extending in the opening face direction of the fireproof box are arranged on the edge of the supporting plate, the wire hooking clamping parts are provided with clamping hook parts capable of being bent towards the wall of the fireproof box so as to limit wires in space defined by the wire hooking clamping parts and the wall of the fireproof wall, and the fire passing clamping parts are provided with first wire passing holes allowing wires to penetrate. The safety property is improved, the wires can be fixed in order, connection of the wires and the circuit board is facilitated, and in the transport or moving process, loosening is not prone to happening even if collision happens.

The invention belongs to the field of outdoor backpacks and manufacturing processes thereof and discloses a functional fabric for the outdoor backpacks and a manufacturing process of the functional fabric for the outdoor backpacks. The functional fabric is prepared from, by weight, 50-80 parts of basic fibers, 110-200 parts of fireproof fibers, 100-180 parts of wear-proof fibers and 90-155 parts of PTFE (polytetrafluoroethylene) microparticles. The manufacturing process includes steps of raw material preparation, yarn spinning, dyeing, weaving, impregnating, drying, sintering and the like. Since the provided fabric raw materials include the fireproof fibers, the wear-proof fibers and the PTFE microparticles, the wear-proof fibers can make up shortcomings of the fireproof fibers, and strength and wear resistance of the fabric are greatly improved on the basis of normal fabrics; by adoption of the appropriate process for manufacturing the fabric, evident effective fireproof, wear-proof and waterproof performances of the fabric are achieved, the adoption rate of the fabric applied to the outdoor backpacks is further increased, the use value of the outdoor backpacks made of the fabric is increased, and market competitiveness is improved.

The invention discloses an acrylamide particle hydrogel fire extinguishing agent, and belongs to the technical field of fire extinguishing agent production. The hydrogel fire extinguishing agent is prepared from acrylamide, a cross-linking agent, an initiator, a catalyst and water; the cross-linking agent is any one of N,N'-methylenebisacrylamide and N,N'-methylenebismethacrylamide; the initiatoris any one of ammonium persulfate, potassium persulfate and sodium persulfate; and the catalyst is any one of tetramethylethylenediamine and N,N-dimethyl-1,3-propanediamine. The prepared hydrogel fireextinguishing agent has the advantages of good solubility, suitableness for various water qualities, cheap production raw materials, high water-retaining property, high adhesion and high mechanical properties, and can be simply and conveniently operated in practical application.

The invention provides a fireproof coating for wooden furniture and a preparation method thereof. The coating comprises the following components in parts by weight: 30-42 parts of water, 0.3-1 part of sodium dodecylbenzene sulfonate, 90-110 parts of ammonium polyphosphate, 1-4 parts of diethylene glycol methyl ethyl ether acetate, 1-4.8 parts of melamine formaledehyde resin, 10-22 parts of trimerization oxygen phosphorus, 8-16 parts of chlorohydrin, 2.8-6 parts of chlorcosane, 1.5-2.9 parts of dioctyl phthalate, 2-5 parts of sodium fluorosilicate, 0.15-0.25 part of turpentine, 4-10 parts of cobalt naphthenate, and 5-12 parts of silica. The coating provided by the invention has good protective effects on the wooden furniture, the drying speed of coatings is high, the coating has high fireproof performance and high corrosion prevention performance. When fire happens, the coating can effectively prevent fire and can stop the erosion of chemicals.

The invention provides a volcanic cinder lightweight porous sound-absorbing wallboard and a preparation method thereof. Carbon nanotubes are taken as the carrier. Nano titanium dioxide and nano zinc oxide are taken as the photocatalytic elements. Rare earth elements (lanthanum and europium) and graphene are reactants of catalytic photochemical reactions. The quantum lead effect of carbon nanotubesis utilized to effectively enhance the photoelectron capturing performance of rare earth elements; graphene is used to catalyze the photocatalytic degradation of harmful gas; volcanic cinder has excellent micro-activity and a good adsorbing performance and can absorb and isolate sound and prevent fire; the provided sound-absorbing wallboard can effectively absorb photocatalysts, is capable of effectively absorbing and isolating sound waves, and can modulate indoor temperature and humidity.

The invention discloses an intelligent archives management device. The intelligent archives management device comprises a main device body (1) and a core control part (2), wherein the core control part (2) comprises a power module (4), a display module (5), an alarm notice module, a recognition module (7), an automatic sorting module (8), a query module (9), a look-up error arrangement alarm module (10), an anti-theft module (11), a statistic analysis module (12) and a smoke and temperature sensing module (13). The intelligent archives management device are complete in function, convenient to use, safe and effective, reduces the working difficulty of an archives management worker and can meet the requirement for cooperative management of gradually increasing archives data and a software system.