61results about How to "Achieve fire performance" patented technology

The invention relates to an alarm escape indication system and method, particularly to an intelligent automatic fire alarm escape indication system and method thereof. The system is composed of intelligent terminal equipment, an intelligent smoke detector, an intelligent heat detector, manual alarm equipment, an intelligent fire automatic alarm escape controller, and a remote firefighting monitoring center. According to the method, the intelligent smoke detector and the intelligent heat detector detect that the smoke concentration or temperature reaches an alarm value, an alarm signal is sent out and transmit fire information to the intelligent fire automatic alarm escape controller; the controller calculates escape and self-rescue guide information; the information is displayed and broadcasted to the intelligent terminal equipment by an Wi-Fi unit and is also transmitted to the remote firefighting monitoring center simultaneously; and the remote firefighting monitoring center organizes multiple units instantly to rush to the spot so as to carry out rescue or evacuation. According to the invention, the intelligent degree is high; functions of infinite long-distance fire-proof alarm, linked rescue, intelligent escape and evacuation, network service, and wireless internet access service are realized; the system is simple; the cost is low; the operation is convenient; and the system and method can be popularized and used conveniently.

A light-weight acoustical substrate is disclosed. In one embodiment, the substrate includes a substantially open core and outer facing layers. The core is comprised of a plurality of open, cells which extend between the facing layers. The cells may have numerous configurations, including honeycomb. The facing layers may be non-woven or woven glass scrims in some embodiments, A multi-layered acoustical structure is provided which in one non-limiting embodiment is comprised of two cores with outer facing layers and an interlayer between the cores.

The invention discloses a fire prevention device for a front feed device of a biomass electricity generation furnace. The fire prevention device comprises a storage bin bracket and a storage bin body, wherein one side of the storage bin bracket is provided with a staircase, a closed conveying device is arranged on the storage bin bracket and is communicated with a shaftless screw conveyer by an articulated chute, and the front feed device is arranged on the storage bin body and is matched with the closed conveying device. The fire prevention device is characterized in that a fire prevention device body is arranged on the articulated chute. Furthermore, the fire prevention device body comprises a valve body, the upper end and the lower end of the valve body are respectively an inlet and an outlet, a bearing is arranged on one side surface at the upper part of the valve body, a rotating shaft is arranged on the bearing, and a normally closed type closing device is arranged on the rotating shaft. According to the fire prevention device, the effects of fire prevention and automatic unloading are achieved all the time, no resource is consumed in the running process, and economical efficiency and energy conservation are achieved. In addition, the fire prevention device is simple in structure, convenient to manufacture and low in maintenance cost.

The invention discloses a full-automatic early warning security epidemic prevention system. An automatic control door I and an automatic control door II with different entering directions are arrangedon one side of a detection channel; a microprocessor module and a communication module, a temperature measurement module, an identity recognition module, a power supply module, an air quality detection module, a sterilization module, an illumination module, a fire alarm module and an alarm module which are connected with the microprocessor module are arranged in the detection channel; the microprocessor module is connected with the automatic control door I and the automatic control door II and controls opening and closing of the automatic control door I and the automatic control door II. Themicroprocessor module is in two-way communication with a client through the communication module. According to the full-automatic early warning security epidemic prevention system, body temperature measurement can be performed, the user identity is verified through the identity identification module before going out, the system can monitor air quality, sterilize, prevent fire and burglary and is high in safety coefficient and integrates early warning, security, deposit and health care and can be applied to communities, schools, kindergartens, government functional departments, banks, public ticketing stations, high-end CBD property management, office building gate posts and the like.

The invention discloses an outdoor machine and an air conditioner. The outdoor machine comprises an outdoor shell, a heat exchanger, a partition plate and an electric control device, wherein the outdoor shell is provided with an air inlet and an air outlet; the heat exchanger is located between the air inlet and the air outlet; an accommodating space is defined between the heat exchanger and one side, close to the air outlet, of the outdoor shell; the partition plate is arranged in the accommodating space to partition the accommodating space into a compressor cavity and a fan cavity; the electric control device comprises an electric control box, a circuit board, a heating element and a radiator; the electric control box is located in the compressor cavity and roughly vertically arranged on the side wall of the partition plate; one side, toward the partition plate, of the electric control box is open; the circuit board is roughly vertically arranged in the electric control box and one side, with the heating element, of the circuit board is arranged opposite to the parturition plate through the open side of the electric control box; the radiator is in contact with the heating element; and a cooling fin of the radiator sequentially passes through the side wall of the electric control box and the partition plate to extend into the fan cavity. The outdoor machine is simple in structure and low in cost.

A rainproof fireproof socket comprises an outer shell, an upper sealing layer, a lower layer sealing layer, a conversion layer, an O-shaped ring and a tail accessory. The conversion layer is evenly provided with a plurality of separation springs and separation sleeves in the circumferential direction. A fixing rod is arranged in the outer shell. An upper base seat and a lower base seat are fixed though a nut and a gasket. The front end is provided with a jack assembly, a guide sleeve A, a jack, a sealing sleeve, the O-shaped ring, and the guide sleeve A and the upper base seat. The O-shaped ring is arranged in the groove of the sealing sleeve and is sealed with a locking sleeve. Contact pins A and B and sealant are arranged in the upper base seat and the lower base seat and are fixed through the nut and the gasket. The tail part of the outer shell is provided with the tail accessory. The invention realizes the sealing of the socket under 10 atmospheric pressures, meets the use requirements of preventing rain and fire and sealing and has the advantages of compact structure, reliable connection, good electric property and strong practicality.

The invention relates to a top-mounted ball valve. The top-mounted ball valve comprises a fixer positioned between a ball body and a valve body, wherein the fixer is sealed together with the ball body; a sealing element is arranged between the fixer and the valve body; a limiting piece is arranged between the valve body and the fixer; the outer circumferential surface of the limiting piece is in threaded connection with the valve body; the limiting piece is connected with the fixer in an anti-rotation way. By rotating the fixer and moving the limiting piece towards the fixer, a sealing gap can be formed between the limiting piece and the fixer for preventing the sealing element from moving. The distance between the fitting surface of the fixer and the sealing element and the axis of the valve body is smaller than the distance between the sealing surface of a sealing material and the axis of the valve body, and the distance between the fitting surface of the valve body and the sealing element and the axis of the valve body is larger than the distance between the center of the sealing surface of the sealing material and the axis of the valve body. Pressure is introduced into the end of the ball valve, the fixer is pressed against the ball body through the pressure difference between both sides of the fixer, pressure is introduced into a middle cavity, the fixer is pressed against the ball body through the pressure difference between both sides of the fixer, and the sealing element is prevented from moving, thereby realizing a reliable bidirectional sealing effect between the fixer and the valve body.

The invention discloses a new type low voltage power transmission cable which belongs to the technical field of power transmission cables. The transmission cable is used for the construction of underground routes of a residential place or a factory. The cable comprises conductors, a support framework, a fire retardant layer, an armor layer, and a water resisting layer. The conductors are wrapped in insulation layers. The insulation layers are wrapped in shielding layers. The support framework comprises support frames and bow shaped frames. The conductors are located in the filler between the adjacent support frames. Between the hollow cavity and the shielding layers is a buffering layer. The fire retardant layer is arranged at the outer side of the bow shaped frames of the support framework. The outer side of the fire retardant layer is provided with the armor layer. The outer side of the armor layer is provided with the water resisting layer. With such technical schemes, the cable of the invention can effectively help resolve various problems arising from the laying of underline pipes and the service lifetime of the cable can be effectively prolonged.

The invention discloses an explosion-proof shell for a cable. The explosion-proof shell comprises an outer shell, an explosion-proof cavity formed in the outer shell and a cable connector, and an explosion vibration sensor, an explosion pressure sensor, an aerosol fire extinguisher and a temperature sensor are arranged on the inner wall of the outer shell. The explosion-proof shell is reasonable in structural design and convenient to disassemble and assemble, has fireproof, flame-retardant, explosion-proof and intelligent acquisition and monitoring functions at the same time, can obtain and monitor the internal state of the explosion-proof shell in real time without manual regular inspection, and realizes the intelligence of the explosion-proof shell. The aerosol fire extinguisher arranged in the outer shell can be triggered to extinguish fire in time when explosion occurs, and damage caused by cable explosion can be reduced from the source. The outer shell and the internal cable connector are respectively provided with an explosion-proof structure to form a double explosion-proof mechanism, so that the whole shell has excellent explosion-proof and fire-proof functions, fire accidents caused by cable faults can be prevented, and the situation that the outer shell is directly punctured and exploded to damage the surrounding environment is avoided.

The invention discloses a multipurpose low-humidity fireproof storage device. The multipurpose low-humidity fireproof storage device comprises an inner container, a shell and an upper cover. The inner container and the shell are both barrels with the upper ends opened, the inner container is arranged in the shell, an aluminum silicate barrel with the upper end opened is arranged between the inner container and the shell, the upper end face of the aluminum silicate barrel is flush with or basically flush with the upper end face of the inner container, and the upper end face of the aluminum silicate barrel and the upper end face of the inner container are both lower than the upper end face of the shell. The upper cover comprises cover body and an aluminum silicate cylinder located below the cover body, the lower surface of the cover body is connected with the upper end face of the shell in a sealed mode, the aluminum silicate cylinder is arranged in the shell, and the lower surface of the aluminum silicate cylinder and the upper end face of the aluminum silicate barrel are sealed. Because an aluminum silicate layer is arranged on all over the outer side of the inner container of the multipurpose storage device, the multipurpose low-humidity fireproof storage device has very good fireproof, waterproof and humidity resisting performance; because of the sealed structure, a dry environment is kept in the inner container for a long time, and the quality of articles stored in the inner container can be guaranteed for a long time easily; the multipurpose low-humidity fireproof storage device further has the advantages of being small in size, light in weight and convenient to carry.

The invention discloses a high-ductility seismic insulation rubber support fireproof protection structure and a construction process thereof. The periphery of a seismic insulation rubber support and the periphery of a flexible fireproof heat insulation material are further provided with a high-ductility fireproof structure layer, and the high-ductility fireproof structure layer comprises a connecting fixing plate and an extensible fireproof heat insulation layer; two fireproof composite layers are formed by the extensible fireproof heat insulation layer in the normal state to achieve fireproofprotection, when large deformation stretching displacement is generated during medium and violent earthquakes, the outer fireproof composite layer obliquely stretches relative to the inner fireproofcomposite layer, and due to the fact that the outer fireproof composite layer and the inner fireproof composite layer have an overlapping area, even if the stretching displacement is too large, the outer fireproof composite layer and the inner fireproof composite layer cannot fall off or be disconnected; adaptive extension is effectively carried out according to the deformation displacement degree, and the seismic insulation rubber support on the inner side is still wrapped in the whole process. Due to the improvement of the ductility, it is guaranteed that the fireproof composite layer on theouter side is not deformed, torn and damaged when the medium and violent earthquakes and large displacement offset occur, complete fireproof protection is continuously provided, and the fireproof effect under extreme conditions is achieved.

The present invention discloses a building composite material processed by using waste textile products, and belongs to the field of building materials, wherein the building composite material comprises the following raw materials by weight: 30-50 parts of waste textile products, 10-20 parts of diatomaceous earth, 5-10 parts of titanium gypsum, 15-18 parts of an aqueous polyester resin, 10-14 parts of an epoxy resin, 1-3 parts of glass fiber, 1-3 parts of nanometer silica, 2-6 parts of sodium hydrogen carbonate, 1-3 parts of a titanate coupling agent, and 2-4 parts of mineral oil. According to the present invention, the waste textile fibers are reasonably used to turn the waste into treasure so as to reduce the manufacturing cost, reduce the environmental protection pressure, and achieve the comprehensive utilization of the resources; the process is simple, the raw material source is wide, and the energy source consumption during the production process is low; and the prepared plate has characteristics of light weight, sound insulation, heat insulation, water resistance, fire resistance, good toughness, high fracture strength, and the like.

The invention discloses a multifunctional multi-rotor unmanned aerial vehicle. The multifunctional multi-rotor unmanned aerial vehicle comprises a stander and a remote controller. The stander is provided with a projector, a camera portion and a flight control portion, wherein a redundant gyroscope and a GPS module are arranged in a flight control system, the camera portion comprises a self-stabilizing holder, a camera and an image transmission system. The self-stabilizing holder is installed on the lower portion of the stander, and the self-stabilizing holder is provided with the camera. By adopting the multifunctional multi-rotor unmanned aerial vehicle, the flight form can be automatically adjusted, a forest fireproof function, an article feeding function, a rescue patrol thermal imagingfunction and an image displaying function are integrated, and the problems that in the traditional forest fireproof rescue consumes time and manpower, dangerourness is relatively high, and investmentis large can be solved.

The invention discloses a rotational flow suction type dust haze charged dust removal device. The device comprises a dust capture assembly, a dust corona charge assembly and an electrostatic sprayingdust removal assembly; the dust capture assembly is used for generating a rotary suction air flow, and dust particles in the working area are captured through the rotary suction air flow; the dust corona charge assembly is used for charging the non-charged dust particles; and the electrostatic spraying dust removal assembly is used for carrying out dust removal purification on the air flow containing the charged dust particles. According to the device, suspended dispersed dust particles can be captured by the rotary suction air flow, the captured dust particles can generate corona charges, thecharged dust can be thoroughly cleaned through electrostatic spraying, the dust removal efficiency is effectively improved, and the sewage generated in the dust removal process can be collected, so that pollution to the environment caused by the sewage is avoided; and secondary dust raising can be avoided in the dust removal process, and the water utilization rate in the dust removal process is high, dust parameters can be automatically detected, the dust removal parameters can be automatically adjusted, fire prevention and fire control can be realized, and the safety of the working area canbe guaranteed.

The invention discloses a panel structure of a wall-mounted air conditioner, which comprises a panel rack and an aluminium alloy panel matched with the former in shape and size, wherein a folded edge is arranged at the periphery of the aluminium alloy panel to form a panel rack accommodating position; a plurality of buckles are arranged on the folded edge of the aluminium alloy panel, and gaps corresponding to the buckles are formed in the periphery of the panel rack; the panel rack is fixed in the panel rack accommodating position through matching between the gaps and the buckles; a display window hole is formed in the aluminium alloy panel; and a transparent display window corresponding to the display window hole is mounted on the panel rack. According to the invention, with the aluminium alloy plate subjected to anodic oxidation and wire drawing processing, the panel structure with folded edge formed through die punch forming, and the especially designed buckles and gaps, the aluminium alloy panel can be accurately and steadily mounted on the panel rack, so as to realize weatherability, fire resistance and electromagnetic interference resistance of the panel.

The invention relates to a pneumatic opening scheme of a transformer fault oil drainage pipeline. A pneumatic valve, a bursting disc assembly and a pneumatic control system are included; when a transformer has a serious fault and needs to drain oil, a bursting disc is opened at first through the pneumatic control system; then, the pneumatic valve is opened; remote manual or electric transformer oil drainage in a security area is realized; simultaneously, the pneumatic control system can open the pneumatic valve arranged on a flame retardant gas pipeline so as to inject flame retardant gas intothe transformer; therefore, fire protection and fire fighting are realized; simultaneously, oil conservator cut-off and directional oil drainage also can be realized; meanwhile, necessary conditionsof light detection and pressure detection of transformer fault oil drainage and nitrogen injection are increased; and the scheme solves the problems that the existing equipment cannot perform securityoil drainage when the transformer is dangerous, the existing oil drainage and nitrogen injection system is unreliable to start and the like.

The invention discloses a mass production method of an automobile composite material battery box sandwich structure. By using high-performance fiber fabric and reasonable structural layer laying design, the light weight of a battery box body can be realized to a great extent; meanwhile, when an upper pressing plate and a lower pressing plate of a composite material are molded, a sandwich layer, afireproof layer and / or an electromagnetic shielding layer, rapid curing resin and the high-performance fiber fabric are combined to be cured and molded at one time, so that better flame-retarding, fireproof and heat-insulation effects and good electromagnetic shielding performance are realized; a one-time rapid curing and molding manner is adopted through a wet-process mould pressing process, so that the takt time is short and process steps are simplified; the requirements on the light weight of the battery box body, the fireproof performance of the battery box and the electromagnetic shielding performance are met and the production cost is greatly reduced.

The invention discloses a building wall module, a movable house with the same and a manufacturing method of the module. The building wall module comprises a truss-type steel structure, an inner layerand an outer layer, wherein the inner layer, the truss-type steel structure and the outer layer are sequentially stacked and assembled. The inner layer comprises at least one of an inner wall keel frame layer and an inner wall decorative plate layer. The outer layer comprises at least one of an outer wall waterproof layer, an outer wall thermal insulating layer and an outer wall decorative plate layer. According to the building wall module, the construction period of the movable house can be shortened, and the construction efficiency is improved. In addition, requirements of different buildingspaces for walls can be met, so that the building wall module has high enough strength, and the safety of a building is improved.

The invention relates to an installation process of a fireproof smoke exhaust valve and the fireproof smoke exhaust valve, and relates to the technical field of fireproof adjusting valve products. The installation process comprises the steps of construction preparation, air pipe connecting pipe installation, vertical air pipe and horizontal air pipe installation, fireproof smoke exhaust valve installation, inspection and debugging, air pipes include an air pipe connecting pipe, a vertical air pipe and a horizontal air pipe, and humidifiers are installed in the vertical air pipe and the horizontal air pipe correspondingly. By means of the installation process and the fireproof smoke exhaust valve, the installation of the fireproof smoke exhaust valve and the air pipes connected with the fireproof smoke exhaust valve can be completed, and the air humidity in the air pipes can also be increased.

A fabricated heat-preservation and decoration combined external wall board comprises a heat-preservation board, an inorganic light-weight filling block layer, a mesh structure and a connecting rod, wherein heat-preservation board grooves are formed in the left side and the right side of the heat preservation board, light-weight filling blocks and mold shells are arranged on the left and right sides of the heat-preservation board, and the heat-preservation board grooves are arranged crosswise on the side surfaces of the heat-preservation board in the transverse direction and the longitudinal direction, and the side surfaces of the heat-preservation board are divided into a plurality of independent units. The inorganic light-weight filling block layer comprises the inorganic light-weight filling blocks, the inorganic light-weight filling blocks are correspondingly adhered to the units, filling block gaps are arranged between the adjacent inorganic light-weight filling blocks, and the width of each heat-preservation board grooves is larger than the width of each filling block gap. The mesh structure comprises a first mesh and a second mesh. The fabricated heat-preservation and decoration combined external wall board can be used not only for building external walls but also for various types of walls such as internal walls, the construction speed is high, heat preservation and durability are achieved, and a decorative layer of a wall surface can save decoration materials and construction cost.

The invention discloses an environmental-protection heat-insulation medium-voltage crosslinked flexible fireproof cable with a metal steel sheath, and aims at providing the cable high in fireproof performance, small in approximate external diameter, low in structural weight, convenient to install and lay, free of maintenance and provided with simple rapid intermediate and termination joints. The cable comprises conductors, each conductor is wrapped in an insulation layer to form an insulated core, the insulated cores are combined to form a cable core, gaps in the cable core are filled with a filling layer, and the cable core is wrapped in a fireproof isolation layer, a thermal insulation layer, a lining layer, a protective layer and an oversheath layer. Compared with the prior art, there is no mica wrapping fireproof layer arranged outside the conductor cores of the cable, instead, the flame-retardant fireproof structure is arranged outside the cable core, requirements of spraying prevention and mechanical collision prevention are reached, and a fireproof capability is realized.

The invention relates to a radiation protection door with a fireproof function and a manufacturing technology of the radiation protection door. The radiation protection door comprises a protection door leaf which comprises a framework and a protection lead plate, wherein the framework is stuck and wrapped with the protection lead plate. The outer surfaces of a front face plate and a rear face plate of the protection lead plate are each provided with a veneer which is composited through a hot-pressing technology, and a space formed by the framework inside the protection lead plate is filled with a fireproof material. According to the radiation protection door, the structural design is reasonable, leakproofness of protection and fireproof functions is ensured, mounting is easy and convenient, the construction period is greatly shortened, meanwhile, the invest cost is also saved, and the safety property is improved.

The invention discloses a fireproof heat preservation curtain wall and a manufacturing method thereof. The fireproof heat preservation curtain wall comprises a curtain wall layer (1), a curtain wall core block (2) and a connecting piece (3). The curtain wall layer (1) is fixed into an outer fireproof layer (4) of the curtain wall core block (2), and the curtain wall core block (2) is fixed to a wall body through the connecting piece (3). The manufacturing method comprises the steps that a prefabricated part of the outer fireproof layer (4) is prepared; a prefabricated part of a first heat preservation layer (6) is prepared, and a second heat preservation layer (7) is prepared; an inner fireproof layer (5) is prepared; sequential installation is conducted; the fireproof heat preservation curtain wall is installed on the wall body through the connecting piece (3); a groove (8) formed in the prefabricated part of the outer fireproof layer (4) is internally provided with an automatic spraying device (9), and finally the groove (8) is covered with a protection film (10). Environment-friendly fireproof heat preservation materials are adopted in the fireproof heat preservation curtain wall, the dual functions of fire prevention and heat preservation are achieved, and the resource is saved. The manufacturing method is simple in technology, and the manner is rapid.

The invention provides a double-layer rubber spring and an air spring using the double-layer rubber spring, and belongs to the field of air springs. The double-layer rubber spring comprises an upper-layer outer sleeve, an upper-layer partition plate, an upper-layer core shaft, an upper-layer rubber, a lower-layer outer sleeve, a lower-layer partition plate, a lower-layer core shaft and a lower-layer rubber, a limiting ring is arranged at the upper end of the lower-layer separation plate, the limiting ring can contain the lower end of the upper-layer partition plate, a circle of boss is arranged on the outer side of the lower-layer outer sleeve, a circle of groove is formed in the outer side of the upper-layer outer sleeve, a boss of the lower-layer outer sleeve can be contained in the groove of the upper-layer outer sleeve, a circle of boss is arranged on the outer side of the lower core shaft, a circle of groove is formed in the outer side of the upper core shaft, a groove of the upper-layer core shaft can contain a boss of the lower-layer core shaft, a circle of gap interval with an oval cross section is arranged between the upper-layer rubber and the lower-layer rubber, the upper rubber is made of natural rubber, and the lower rubber adopts modified chloroprene rubber. The double-layer rubber spring has the beneficial effects that the requirement of the air spring for stress is met, the requirement for the fireproof performance of the EN45545 by the air spring is met, and the installation and the maintenance are convenient.

The invention discloses a fireproof shock-resistant alternating-current low-voltage power distribution cabinet which comprises a cabinet body. A high-voltage bottle is connected into the cabinet bodythrough bolts, a valve is connected to a bottle opening of the high-voltage bottle through threads, a connecting pipe is connected to the top of the valve through threads, and a fire-fighting spray head is connected to the end, away from the valve, of the connecting pipe through threads. A damping base is arranged at the bottom of the cabinet body, guide columns are connected to the outer wall ofthe bottom of the cabinet body through bolts, the bottoms of the guide columns penetrate through the outer wall of the top of the damping base to be welded with connecting plates located in the damping base, and guide rods are welded to the inner wall of the bottom of the damping base. Through the arrangement of the high-pressure bottle, the connecting pipe and the fire-fighting spray head, compressed carbon dioxide is contained in the high-pressure bottle, and the fire-fighting spray head is burst and opened at high temperature, so that the carbon dioxide in the high-pressure bottle is sprayed out from the fire-fighting spray head through the connecting pipe to extinguish fire in the cabinet body, and the fireproof effect of the power distribution cabinet is realized.

The invention discloses a charging system, which belongs to the technical field of electronics, and comprises a plurality of charging sockets, a control host, a server and a mobile phone, wherein the plurality of charging sockets are in wireless connection with the control host, the control host is in wired or wireless connection with the server, and the mobile phone is in wireless connection with the server. The gateway and the electric piles form a personal area network for data communication in a wireless networking mode, the charging equipment performs uplink and downlink data transmission with a rear-end server through a network, and the charging system is convenient to install, low in cost and not limited by the terrain and the number of sockets; the use requirements of most installation scenes can be met; maintenance is easy; fault of a single charging socket does not affect communication of the whole network; the socket is convenient to use and good in waterproof performance and waterproof effect, and the functions of offline charging, power-off continuous charging, automatic stop after full charging and hardware self-inspection are achieved; and the system has the functions of dust prevention, water prevention, insulation, fire prevention, time-limited protection, overload protection, short-circuit protection, power sudden change protection, overvoltage protection and undervoltage protection.

The invention relates to the technical field of hinges, in particular to a novel fireproof door and window system. The novel fireproof door and window system comprises a door frame mounting part and a door leaf mounting part, wherein the door frame mounting part comprises a door framework formed by surrounding mounting units, each mounting unit comprises a galvanized square pipe, fireproof heat insulation materials arranged on the two sides of the galvanized square pipe, and a galvanized steel plate which is arranged at one end, far away from the galvanized square pipe, of the fireproof heat insulation materials and is fixedly connected with the galvanized square pipe through a bolt; the door leaf mounting part comprises a leaf framework formed by surrounding of the mounting units and a glass mounting part arranged on the inner side of the leaf framework and used for mounting fireproof glass on the leaf framework. According to the novel fireproof door and window system, the production cost is low, the on-demand customization capability is high, and the visual surface of a finished product is thin, bright and attractive.

The invention discloses a cooking fume purification device and a control method of the cooking fume purification device. The cooking fume purification device comprises an extractor hood body and a spraying device. The extractor hood body comprises a smoke gathering hood provided with an air inlet. A smoke guiding plate is arranged below the air inlet. and the spraying device comprises a spraying pipe, and the spraying pipe is provided with spraying holes capable of spraying liquid to the upper surface of the smoke guiding plate. Compared with the prior art, the cooking fume purification deviceand the control method have the advantages that through the arrangement of the spraying device, condensation, fire extinguishing and fire prevention are achieved, and the effects of safety and filtration are combined through one device; through the liquid spraying manner, the smoke guiding plate can be cooled in time, the surface temperature of the smoke guiding plate is reduced, when the cookingfume makes contact with the surface, rapid condensation is achieved, the purpose of purification is achieved, and when the fire behavior happens, the spraying speed can be increased, and accordinglythe functions of fire extinguishing and fire preventing are achieved.

An intelligent fireproof network cabinet disclosed by the present invention comprises a first cabinet body, a second cabinet body, a lifting assembly, a mounting frame, an adjusting assembly and a spraying assembly, the first cabinet body is welded to the top of the second cabinet body, a notch is formed in the bottom of the first cabinet body, the lifting assembly is welded to the middle of the second cabinet body, and the mounting frame is arranged in the notch. By adjusting the mounting rack into the second cabinet, the cover plate can block the notch, a closed space is formed in the second cabinet body, fire is prevented from entering the second cabinet body to damage network equipment, the second cabinet body can protect the network equipment on the mounting rack, unnecessary economic loss is avoided, and the service life of the second cabinet body is prolonged. Meanwhile, unnecessary damage to the network equipment due to other fire extinguishing modes is also avoided, secondly, the height of the mounting frame is conveniently adjusted by adjusting the lifting assembly, mounting and overhauling of the network equipment for people with different heights are further facilitated, and the flexibility of the network mechanism in use is achieved.

The invention relates to a gap sealing structure between a curtain wall and a floor structure and a construction method thereof. The surface is bent and formed, and a rubber-plastic insulation board is arranged between the cantilevered galvanized steel plate, the curtain wall glass and the curtain wall window frame, and the cantilevered galvanized steel plate is successively laid with building layers and decorative surfaces layer, and a transparent silicone sealant is provided between the decorative layer and the curtain wall glass. The present invention utilizes cantilevered and folded galvanized steel sheets, rubber-plastic insulation boards, and transparent silicone seals to separate the curtain wall glass, curtain wall window frame from the building layer and decorative surface layer of the finely decorated ground, and the curtain wall glass and curtain wall window frame do not directly bear load to ensure the safety of the curtain wall.