56results about How to "Achieve fire prevention" patented technology

The invention discloses a mine dust grading combined dust fall device. A primary dust fall system is formed by an inner spraying device and an outer spraying device which are arranged in a coal cutter or a heading machine. The mine dust grading combined dust fall device comprises a secondary haze transform system formed by an ultrasonic wave dry haze generator and a tertiary drizzle wall haze fall system formed by a drizzle generating device. By means of the mine dust grading combined dust fall method and device, conventional instantaneous point dust fall is changed into segmental process dust fall, mine dust different size fraction can be inhibited and reduced by forming water mist particles or gas water mist particles different in particle diameter, and particle diameter grading, segmental inhibition and reduction and process transformation of mine dust in wind current of mining ports are achieved. The mine dust grading combined dust fall device can move along with pushing of the mining points and has functions of automatic control and rain stopping when people go out, dust fall efficiency is high, and dust inhibition, dust fall, explosion protection, fire protection, temperature reduction and drag reduction of return current are achieved by humidifying dirty wind. Compared with the conventional dust fall method, dust fall effect is obvious.

The invention discloses a farmland intelligent monitoring control system based on Internet of Things high-definition camera shooting integrated gateways. The farmland intelligent monitoring control system comprises multiple groups of Internet of Things high-definition camera shooting integrated gateways, multiple groups of data acquiring modules, multiple groups of electrical control modules, and a total control table. The data acquiring module comprise a temperature sensor, a humidity sensor, a wind speed sensor, a PH value sensor, an illumination sensor, and a PH2.5 tester. The electrical control module comprises a fireproof safety alarm, a temperature controller, a humidity controller. The Internet of Things high-definition camera shooting integrated gateway comprises a processor and a high-definition camera. The total control table is a computer. The farmland intelligent monitoring control system may effectively detect various data of agricultural products in growth processes, the data including illumination, temperature, humidity, wind speed, soil acility and alkalinity, and soil water content or the like, and pertinently adjusts the agricultural products with a microprocessor according to the various data in order to maximize and optimize production effect.

The invention provides a charging station energy storage cabinet and an energy storage system. The charging station energy storage cabinet comprises a cabinet body, a power distribution cabin and a plurality of battery cabins, wherein the power distribution cabin and the battery cabins are arranged in the cabinet body; each battery cabin comprises a battery pack; the output end of the battery packin one energy storage branch is connected with a high-voltage box in the energy storage branch; a high-voltage box in each energy storage branch is connected with the direct-current side of an energystorage converter in the energy storage branch; and the alternating-current sides of the energy storage converters of the branches are connected to an alternating-current confluence terminal in parallel. The plurality of energy storage converters are adopted; each battery pack is connected to the alternating current confluence terminal through the independent energy storage converter; and therefore, the problem that current impact is generated due to the fact that the multiple battery packs are connected in parallel is avoided. The charging station energy storage system is topologically splitinto multiple branch distributed energy storage systems, and therefore, the problems of centralized multi-battery-pack parallel impact, inter-pack imbalance and the like are avoided. Economic lossescaused by the fact that multiple groups of centralized batteries are excessively centralized and some batteries are on fire to influence other batteries are avoided.

The invention provides a safe and intelligent energy-saving lighting system which comprises a collection system, a central control system, a communication system, a power system, an output system, and a safety system. The safe and intelligent energy-saving lighting system of the invention is an intelligent and safe energy-saving platform, and can be used for household lighting, shopping mall lighting, underground parking lot lighting, street lamp lighting, and any other lighting. By using the safe and intelligent energy-saving lighting system, the purposes of fire-proofing, explosion-proofing, safe electricity use and electricity saving can be achieved, the service life of lamps can be increased, the lighting range can be monitored, and the personal safety of people can be protected.

The invention provides a library bookshelf with fire-preventing and fire-fighting functions, comprising a cabinet body and a cabinet door, wherein the inside of the cabinet door and the door frame ofthe cabinet body are provided with sealing rings. A plurality of transverse partitions are equally spaced in the cabinet, a transmission cavity is arranged in the cabinet top plate and the transversepartitions, the fire extinguishing device is arranged on the upper surface of the cabinet top plate, and the fire extinguishing device is communicated with the transmission cavity. A plurality of fireextinguishing air outlets communicating with the transmission cavity are arranged on the lower surfaces of the top plate and the transverse partition of the cabinet body, and the fire extinguishing air outlets are provided with air guide assemblies capable of automatically steering. Under the condition that the temperature is too high and no smoke and dust, an inactivation tank filled with liquidcarbon dioxide and a carbon dioxide collecting device are controlled to deliver carbon dioxide to the inside of the cabinet. The inactivation tank filled with liquid carbon dioxide and the inactivation tank filled with liquid hexafluoromethane are controlled to convey mixed fire extinguishing gas to the inside of the cabinet to realize fire extinguishing in the case of smoke and dust.

The invention discloses a fire-resistant lightweight particles and polyurethane filled wall panel. The wall panel comprises support frames, a first edge, a second edge, a wall panel and a heat-insulating layer; two support frames are parallelly arranged up and down as a top surface and a base surface of the wall panel; two ends of the first edge and the second edge are fixed at two ends of the two support frames as two connecting surfaces of the wall panel; adjacent wall panels are spliced through the first edge and the second edge and a fold line sound insulation and heat insulation path is formed; the support frames, the first edge and the second edge are spliced to form a wall panel skeleton; the wall panel boards are installed at two sides of the wall panel skeleton and are spliced to form a hollow structure; fire-resistant lightweight particles and polyurethane are used as heat insulation material which the hollow structure is filled with. The invention also discloses a method for producing the above wall panel, comprising following steps: splicing a square box structure, spraying and filling and mounting reserved panels. The invention relates to the field of buildings. The invention provides a reused wall panel which has good heat insulation and sound insulation and high fire-resistance and production method.

The invention discloses an assembled polyurethane heat insulation wall body, which comprises two support frames, a first connecting element, a second connecting element, wall faceplates and a polyurethane filling material, wherein the two support frames are long strip-shaped sectional materials, are in parallel arrangement at top and bottom, and are used as a wall body top surface and a wall body bottom surface; the first connecting element and the second connecting element are fixed at the two ends of the support frames and are used as two connecting surfaces of the wall body; the first connecting element and the second connecting element are mutually matched; the two support frames, the first connecting element and the second connecting element are assembled into a wall body framework; the wall faceplates are arranged at the two sides of a wall body framework and are used as two side surfaces of the wall body; a hollow structure is assembled; and the hollow structure is fully filled with the polyurethane filling material. The invention also discloses a production method of the wall body. The production method has the main steps of hollow structure assembling, mold fixing, gun insertion filling, and shaping and demolding. The invention relates to the field of building, and provides the assembled polyurethane heat insulation wall body with the advantages that the heat insulation and sound isolation performance is good; stability and firmness are high; the wall body can be cyclically used; and the mechanized production can be realized.

The invention provides a formaldehyde hunting wood door, and relates to the technical field of wood door manufacturing. The formaldehyde hunting wood door comprises a door leaf, a lower door plate and an upper door plate, wherein the upper side and the lower side of the door leaf are respectively provided with the upper door plate and the lower door plate, the door leaf consists of an inner frame and an outer frame, the inner frame is arranged in the outer frame, a foam diatom ooze excess material region is arranged between the inner frame and the outer frame, a foam diatom ooze filling layer is arranged in the inner frame, and a plurality of open holes are formed in the inner frame. The formaldehyde hunting wood door has the advantages that the structure is simple, the design is reasonable, the manufacturing process is simple, and a suit door can achieve air purification, sound isolation and fire prevention effects through change fillings inside the door leaf.

The invention discloses an inorganic fiber composite thermal insulation board for an exterior wall. The thermal insulation board is fixed on an exterior wall of a building and comprises transverse edge strips, vertical edge strips, a shingle, an inner wallboard and filling material; the two transverse edge strips are parallelly arranged up and down as a top surface and a bottom surface of the heat insulation board; the two vertical edge strips are respectively fixed at two ends of the transverse edge strips as two side surfaces of the heat insulation board; the transverse edge strips and the vertical edge strips are spliced to form a main skeleton; the shingle and the inner wallboard are installed at two sides of the main skeleton to splice into a hollow structure; the filling material is inorganic fiber filling material and inorganic fiber spraying adhesive; the inorganic fiber filling material and the inorganic fiber spraying adhesive are synchronously sprayed and fills the hollow structure. The invention also discloses a production method of the heat insulation board; the method mainly comprises following steps: splicing a box body structure, fixing dies, spraying and filling, setting and dismounting dies. The invention relates to the field of buildings and provides an inorganic fiber composite thermal insulation board having better heat insulation performance for exterior walls and a production method of moulding spraying and filling.

The invention relates to an air conditioner vent pipe cleaning method. At least one layer of paint is sprayed on the inner surface of an air conditioner vent pipe, a paint covering layer is formed on the inner surface of the air conditioner vent pipe, paint forms a coating film after a solvent of the paint is dried naturally, and original dust and dirt on the inner surface of the air conditioner vent pipe are fixed in the coating film and prevented from entering an air conditioner vent system again; or the coating film and the dust and dirt covered by the coating the film are peeled off from the inner surface of the air conditioner vent pipe and moved out from the air conditioner vent pipe, and the cleaning of the inner surface of the vent pipe is achieved. The method has the advantages of being thorough in cleaning, free of dead angles and secondary pollution, simple in device, convenient to operate and the like. Meanwhile, air resistance of the air conditioner vent pipe can be reduced. The paint is sprayed on the inner surface of the air conditioner vent pipe by using a fixed sprayer or a movable sprayer. Various auxiliaries are added into the paint, and effects of sterilizing, corrosion prevention, fire prevention, mould prevention and the like are further achieved.

The invention belongs to the field of electric power auxiliary equipment, and in particular relates to an exterior wall panel with a waterproof structure for a substation. It includes an upper prefabricated slab and a lower prefabricated slab that are set up and down with each other. The bottom of the upper prefabricated slab is provided with a protrusion for inserting into the lower prefabricated slab, and the lower prefabricated slab is provided with a groove for matching the protrusion. The protrusion is in the shape of a trapezoid The bottom of the groove is provided with a drain pipe, and the drain pipe is arranged downward from the inside to the outside. Both the upper and lower prefabricated panels include a base layer in the middle and reinforcement layers on both sides of the base layer. The side of the reinforcement layer is far away from the base layer. A waterproof mortar layer is provided, and the outer surface of the upper prefabricated board and the lower prefabricated board is also provided with an antistatic coating layer. The present invention provides an upper prefabricated board and a lower prefabricated board arranged in cooperation with each other, and utilizes its layered structure and The mutual cooperation structure can effectively achieve the purpose of waterproofing, and at the same time, achieve the purposes of heat preservation, sound insulation, fire prevention, earthquake resistance and antistatic.

The invention discloses a fire-resistant inorganic fiber composite ceiling board. The adjacent ceiling boards are in lap joint on a T-shaped keel. The fire-resistant inorganic fiber composite ceiling board comprises a main body, a concave connecting element, a convex connecting element and support frames, wherein the main body comprises a filling material layer, an upper face plate and a lower face plate; the filling material layer is formed by inorganic fiber filling materials and inorganic fiber spray coating bonding agents through matched synchronous spray coating filling; the two support frames are respectively embedded between the upper face plate and the lower face plate; the convex connecting element and the concave connecting element are also embedded between the upper face plate and the lower face plate; and the convex connecting element and the concave connecting element are provided with installing grooves. The invention also discloses a production method of the ceiling board. The production method comprises the major steps of reserved splicing, mould installing, spray coating filling and installation reservation. The invention relates to the field of building and provides the fire-resistant inorganic fiber composite ceiling board and the mould pressing spray coating filling production method thereof. The fire-resistant inorganic fiber composite ceiling board has the advantages that the heat insulation and sound isolation performance is high; the fire-resistant performance is high; the mounting and the dismounting are convenient; and the cyclic utilization can be realized.

The invention discloses an assembly-type cement core insulation wall. The assembly-type cement core insulation wall comprises two bracing frames, a first connecting piece, a second connecting piece, a wall panel, and a cement core filling material; two bracing frames are the elongated section bars which are arranged as a wall end face and a bottom up and down in a parallel mode; the first connecting piece and the second connecting piece are respectively fixed on the two ends of the bracing frame as two connection surfaces of the wall, the first connecting piece and the second connecting piece are mutually coupled; two bracing frames, the first connecting piece and the second connecting piece are assembled to a wall frame; the wall panel is arranged at two sides of the wall frame as two side surfaces of the wall to assembly a hollow structure, and the hollow structure is filled with the cement core filling material. The invention also provides a production method for the above wall, and comprises the main steps of assembling the hollow structure, fixing a mold, filling with the cement core, and fixing and removing the mold. The insulation wall and the method relate to the field of building, and the assembly-type cement core insulation wall has the advantages of good heat insulation and sound insulation, recyclable performance, and mechanization production.

The invention discloses a multifunctional intelligent home security and protection system, which comprises a warning processing controller, an emergency rescue press button, a security and protection detection unit, a property main control unit, a remote control unit and an automatic fire extinguishing unit, wherein the emergency rescue press button is connected with the warning processing controller through an electric signal transmission module; the security and protection detection unit is connected with the warning processing controller through a data transmission and signal conversion module; the warning processing controller is connected with the property main control unit through the data processing and electric signal transmission module; the warning processing controller is connected with the remote control unit through the signal conversion and data transmission module; the warning processing controller is connected with the automatic fire extinguishing unit through the electric signal transmission and control module. Through the design of the security and protection detection unit, the multifunctional application of a fireproof function, an explosion-proof function, an anti-theft function, a waterproof function and a damage-proof function can be realized; the system belongs to a set of complete security and protection system; the intelligent home function requirements are met; the requirements of people in aspects of convenience and comfort are met.

The invention discloses a fireproof firefighting vehicle which comprises a vehicle body. The vehicle body is provided with a power cabin, a driving cabin, a firefighting equipment cabin and a chassis traveling system, the power cabin is provided with an engine air inlet and a cooling air inlet, the engine air inlet or the cooling air inlet is provided with a grid, and a grid plate capable of close or open the air inlet under action of a driving part is arranged on the grid. An autonomous closing structure is arranged through the engine air inlet or the cooling air inlet, so that damage to an engine caused by smoke smudge, radiation heat and dust in a fire scene can be avoided effectively. In addition, by means of arranging a self-spraying device, arranging a fireproof coating on the vehicle body, using fireproof anti-explosion tires and fireproof smashing-proof bilayer heat-insulating glass and coating exposed pipelines, an oil cylinder and a cylinder with aluminum foil glass fiber protective jackets, fire resistance of the whole vehicle is realized. The fireproof firefighting vehicle can go deeply into the fire scene for monitoring and firefighting.

The invention discloses an assembled flame-retardant heat-insulation wall body unit for a cold storage warehouse. The assembled flame-retardant heat-insulation wall body unit for the cold storage warehouse comprises a core layer, a surface layer and support frames, wherein the surface layer covers four side surfaces of the square core layer; the two support frames are respectively embedded into the surface layer from the upper and lower bottom surfaces of the core layer and are fixed with the surface layer; the core layer is formed by inorganic fiber filling materials and inorganic fiber spray coating bonding agents through matched synchronous spray coating filling; the surface layer is jointly defined by a wall face plate and a semi-enclosure metal frame; the metal frame comprises a metal face plate, a first connecting plate and a second connecting plate; the first connecting plate and the second connecting plate are respectively arranged at the two ends of the metal face plate; and the metal frame is used for the splicing joint of adjacent wall body units for the cold storage warehouse. The invention also discloses a production method of the wall body unit. The production method has the major steps of splicing a box-shaped structure; fixing a mold; performing spray coating filling; and forming shaping and mould removal. The invention relates to the field of building, and provides the assembled flame-retardant heat-insulation wall body unit for the cold storage warehouse and a mould pressing spray coating filling production method thereof. The assembled flame-retardant heat-insulation wall body unit for the cold storage warehouse has the advantages of high integral intensity, high heat insulation performance and obviously enhanced flame-retardant performance.

The invention discloses an optical fiber energy transmission system interlocking protection device. The output end of a driving circuit is connected with the input end of a laser, the output end of the laser is connected with the input end of a first directional coupler, the first output end of the first directional coupler is connected with the input end of a second directional coupler through an optical fiber, the second output end of the first directional coupler is connected with the input end of a control circuit, the output end of the control circuit is connected with the input end of the driving circuit, the output end of the second directional coupler is connected with the input end of a photovoltaic battery, the output end of the photovoltaic battery is connected with the input end of a detecting circuit, and the output end of the detecting circuit is connected with the input end of the second directional coupler. The invention further discloses an achieving method of the interlocking protection device. A laser power source is automatically turned off when an energy transmission optical path is broken off, accidents caused by high-power laser leakage are prevented, the electricity generation network can be effectively protected, and the purposes of preventing fire and explosion and protecting personal safety and property safety are achieved.

The invention provides a sacrificial burning device used for burning lead sacrificial offerings; the sacrificial burning device comprises a combustion furnace, more than one burning chamber, torching devices matched in number with the burning chambers, and gas supply systems matched in number with the torching devices; the burning chambers are arranged in the combustion furnace; each torching device is arranged in the corresponding burning chamber, and connected with the corresponding gas supply system. The sacrificial burning device can be applied to a public cemetery or a main cross road, so people can pray at any time. Melted lead can be recovered for remaking, thus saving resources, and filial duty culture can be inherited in a long time; the sacrificial burning device can burn the lead sacrificial offerings, can recover the burned lead, thus providing environmental protection, energy saving and fireproofing purposes.

The invention discloses an integrally-formed type modular wall of a fabricated integrated house and a construction method thereof. The integrally-formed type modular wall comprises an externally-installed plate, an internally-installed plate, two wall body frames and a filling layer. The externally-installed plate includes an exterior finish coat, an insulating fire-retardant coating and a first connecting piece, and the first connecting piece is arranged on the exterior finish coat and the insulating fire-retardant coating in an inserting mode. The internally-installed plate comprises an inner finish coat, a structure layer and a second connecting piece, and the second connecting piece is arranged on the inner finish coat and the structure layer in an inserting mode. The two wall body frames are separately arranged between two side edges of the externally-installed plate and the internally-installed plate. The filling layer is arranged between the two wall body frames, an inner wall decorative layer and an outer wall decorative layer are arranged on two side faces of the filling later, the inner wall decorative layer is composed of an insulation layer, a waterproof layer and a decorative layer, and the outer wall decorative layer is composed of an insulation layer, a waterproof layer and a self-adhered reflecting layer.

The invention discloses a high-strength scratch-resisting fireproof veneer. The high-strength scratch-resisting fireproof veneer aims to solve the problems that in the prior art, a great number of veneers used in building materials are easy to crack, crimp and scratch, and the like. The high-strength scratch-resisting fireproof veneer comprises a bottom layer, a middle layer and a surface layer, wherein the bottom layer is made of special-grade solid-wood fireproof single boards or E1-grade fireproof high-density boards, the middle layer is made of melamine impregnated paper, and the surface layer is made of aluminum oxide; the high-strength scratch-resisting fireproof veneer is manufactured in the cold-hot-cold hot-pressing process, the temperature of a hot press ranges from 50 DEG C to 135 DEG C, the time range from 2 minutes to 5 minutes, and the pressure ranges from 13mpa to 15mpa. The high-strength scratch-resisting fireproof veneer has the advantages of preventing cracking and crimping, resisting to deformation and scratch, and preventing fire.

The invention discloses an installation method for a stainless steel anti-explosion and fireproof all-welded honeycomb core inner floating disc. The inner floating disc comprises a girder and multiplefloating disc modules. Each floating disc module comprises an upper cover plate, a lower cover plate and a honeycomb core located between the upper cover plate and the lower cover plate, wherein theupper cover plate and the lower cover plate are made of stainless steel, the honeycomb core is made of an aluminum alloy material, the upper cover plate and the top of the honeycomb core are welded tobe sealed, and the lower cover plate and the bottom of the honeycomb core are welded to be sealed. Every two adjacent floating disc modules are connected in a welded manner to be sealed. The girder is in an n shape, and the girder and the floating disc modules are connected in a welded manner to be sealed. Sealing connection between the adjacent floating disc modules and sealing connection between the floating disc modules and the girder are achieved in sequence. By means of the installation method for the stainless steel anti-explosion and fireproof all-welded honeycomb core inner floating disc, the problem of potential safety hazards and the problem of oil-gas leakage existing in an existing floating disc technology are governed and solved.

The invention discloses a method for manufacturing an integrated lightweight structured wallboard by imitating form and structure of organisms. The method comprises the following steps: stirring and mixing materials uniformly in a machinery mixer to obtain a powder mixture, uniformly dispersing a water reducer and a quick-drying agent in water and then adding the above powder mixture, continuouslystirring to obtain mixed slurry, adding reinforced fibers into the mixed slurry, uniformly stirring to obtain a castable material of the lightweight structured wallboard, pouring the castable material into a mold until reaching 1 / 5 of the mold, and placing a pretreated lightweight or hollow module into the mold until fully filling the mold. By the method for manufacturing the integrated lightweight structured wallboard by imitating form and structure of organisms, a built-in overhead part in the produced cast-in-place precast part, wall body, floor or precast partition board can help reduce use of materials. By combining the imitation of the form and structure of organisms, the integrated structure is stable. In addition, the use of materials is reduced, specific gravity is lowered, but performance is not reduced, and the fireproof and sound insulation effect can be achieved.

The invention provides a precast fabricated type beam wall combination member, and relates to the technical field of a fabricated type beam wall combination member. The precast fabricated type beam wall combination member integrally consists of three parts of a precast fabricated type beam, a light-steel light-concrete wall body and connecting pieces between the precast fabricated type beam and the light-steel light-concrete wall body, wherein the precast fabricated type beam can be a precast fabricated type member in any other form, such as a precast fabricated type steel beam, a concrete superposed beam, or a concrete flat beam and the like; the light-steel light-concrete wall body is a light-steel light-concrete composite wall body which is integrally formed by light steel, light concrete and other components, wherein the light steel is used as a framework of the wall body; the light concrete is used as a filling material of the wall body; the connecting pieces between the precast fabricated type beam and the light-steel light-concrete wall body are connecting members between the precast fabricated type beam and the light-steel light-concrete wall body, and comprise a rear anchor fastener required by the connection between a light-steel framework and a precast fabricated type concrete beam, and a welding member between the light-steel light-concrete composite wall body and a precast steel beam. The precast fabricated type beam wall combination member disclosed by the invention is light in dead weight and low in rigidity, has favorable mechanical performance, and meets the requirements of buildings for filling wall bodies.

The invention discloses a production method of lightweight concrete prefabricated big panels. The method comprises the following steps: 1, selecting raw materials according to a case that every cubic meter of lightweight concrete prefabricated big panels contains 450-550kg of cement, 65-195kg of stone flour, 3.25-9.75kg of a water reducer and 0.01-0.05kg of a foaming agent, foaming the foaming agent, uniformly mixing cement, the stone flour and the water reducer to prepare a cement mortar, adding the foamed foaming agent to the cement mortar, and uniformly stirring the foamed foaming agent and the cement mortar to prepare lightweight concrete; and 2, pouring the lightweight concrete in a die, and carrying out demolding treatment and curing to produce the lightweight concrete prefabricated big panels. The method solves the problem of adverseness of too large weight of common prefabricated big panels to transportation and hoisting installation, the weight of the lightweight concrete prefabricated big panels produced in the invention is about 50% lower than that of common concrete prefabricated big panels, and the construction efficiency of prefabricated wallboards is effectively increased.

The invention provides a multifunctional IPTV set top box system based on an LINUX. The multifunctional IPTV set top box system comprises an embedded processor based on an LINUX operation system, a remote communication module, an area communication module, an intelligent terminal and a plurality of control devices, wherein the remote communication module, the area communication module, the intelligent terminal and the control devices are connected with the embedded processor. The intelligent terminal sends control signals to the remote communication module, the remote communication module enables the control signals to be analyzed through the embedded processor to generate execution signals and sends the execution signals to the area communication module, the area communication module sends the execution signals to the control devices, and the control devices receive the execution signals and carry out corresponding operations. The multifunctional IPTV set top box system based on the LINUX can achieve remote video communication and remote monitoring through a camera, a microphone and a large-screen liquid crystal display television, and a user can perform control on devices of household doors, household windows and the like by the utilization of the intelligent terminal.

The invention belongs to an enterprise management information release device having a remote monitoring function. The enterprise management information release device comprises a wall and a supporting frame. The shape of the supporting frame has a laterally arranged convex-shaped long side opening structure. The short edge side of the supporting frame is internally provided with a storage battery and an electric cylinder. The telescopic rod of the electric cylinder is connected with a threaded sleeve of the rear surface of an installing baseplate. The installing baseplate is internally provided with a control device. The top part and the bottom part of the installing baseplate are flexibly provided with an upper L-shaped guide plate and a lower L-shaped guide plate. The top part of the long side of the supporting frame is connected with the L-shaped guide plate through a first guide support plate. The bottom part of long side of the supporting frame is connected with the lower L-shaped guide plate through a second guide support plate. The upper L-shaped guide plate and the lower L-shaped guide plate are connected with a respective corresponding rotating motor through a threaded rod. The control device comprises a central processor, an RAM memory, a wireless transceiver module, a voice prompt module and an alerter. The enterprise management information release device has the advantages of realizing attendance, fire prevention, theft prevention and monitoring the situation of the enterprise access personnel.

The invention discloses a fabricated inorganic fiber wall unit which is used for splicing to form a building partition wall. The wall unit comprises supports, a first connecting part, a second connecting part, shingles and filling material; the two supports are used as a top surface and a bottom surface of the wall unit; the first connecting part and the second connecting part are fixed at two ends of the supports as two connecting surfaces of the wall unit; a fold line sound insulation and heat insulation path is formed in adjacent wall units; the two supports, the first connecting part and the second connecting part are spliced to form a wall skeleton; the shingles are installed at two sides of the wall skeleton and are spliced to form a hollow structure; the filling material is inorganic fiber filling material and inorganic fiber spray binder which are used for spraying and filling in the hollow structure. The invention also discloses two production methods comprising following steps: reserving and splicing, die mounting, spraying and filling and mounting and reserving. The invention relates to the field of buildings and provides a fabricated inorganic fiber wall unit having high heat insulation and heat insulation and fire resistance performance and production methods of die spraying and filling.

The invention discloses a PVC stone-plastic floor capable of resisting to machining deformation, and belongs to the field of PVC stone-plastic floors. The PVC stone-plastic floor sequentially comprises a decorative layer, a PVC stone-plastic base layer and a balance layer from top to bottom; and thermal insulating layers are correspondingly arranged on the upper surface and the lower surface of the PVC stone-plastic base layer; the thermal insulating layers are made of materials which resist to the temperature of 100 DEG C or above for 10 seconds or above; and the thickness of each thermal insulating layer is greater than or equal to 0.2 mm. The PVC stone-plastic base layer is made of a PVC stone-plastic base material, and the PVC stone-plastic base material is prepared by adopting the following steps of a, raw material mixing and heating, b, pore generating, c, extrusion molding, and d, cooling molding. The PVC stone-plastic floor capable of resisting to machining deformation aims toovercome the defect of the product defect of deformation warping prone to occurring in a PVC stone-plastic floor produced by using an existing hot-pressing technology; and the PVC stone-plastic floorcapable of resisting to machining deformation effectively avoids the product defect of deformation warping caused by the excessively high temperature of the PVC stone-plastic base layer during hot pressing, and the product pass rate is increased.