627results about How to "Guaranteed insulation effect" patented technology

The invention discloses a flame-retardant high-strength composite cable material and a preparation method thereof, belongs to the technical field of cable material processing, and is used for solving the technical problem that the mechanical strength and flame retardance of a composite cable material need to be further improved when the composite cable material in the prior art is reinforced by using expandable graphite. The low-density polyethylene composite material is prepared from the following components in parts by weight: 100 parts of low-density polyethylene, 20 to 30 parts of ethylene-octylene copolymer, 25 to 35 parts of composite polysiloxane, 1 to 1.5 parts of dicumyl peroxide, 3 to 5 parts of auxiliary additive and 10 to 14 parts of modified magnesium hydroxide. The low-density polyethylene and the ethylene-octylene copolymer are reinforced to prepare the composite cable material, so that the flame retardant property of the composite cable material is effectively improved, and the mechanical property of the composite cable material is also improved.

The invention discloses a wear-resistant and corrosion-resistant butterfly valve, and relates to the field of butterfly valves, the wear-resistant and corrosion-resistant butterfly valve comprises a butterfly valve and an electric controller mounted on the butterfly valve, the electric controller is used for controlling opening and closing of the butterfly valve, connecting pipelines are mounted on two sides of the butterfly valve, and the butterfly valve and the two connecting pipelines are sleeved with two heat insulation boxes. It needs to be explained that in the embodiment of the invention, through the arrangement of the heat preservation boxes and the light-transmitting plate, in the using process of the butterfly valve, the two heat preservation boxes seal and protect the butterfly valve and the electric controller as well as the connecting position of the butterfly valve and the two connecting pipelines, and the problem that the butterfly valve is corroded by being exposed to the sun and rain for a long time is avoided; meanwhile, a light-transmitting plate is installed on the heat preservation box, the interior of the heat preservation box is heated by transmitting sunlight, the heat preservation function is achieved, normal use of the butterfly valve is guaranteed, and freezing is avoided; in addition, when the sunlight intensity is high, the folding shielding cloth is unfolded to shield the light-transmitting plate, and the problem that the electric controller is damaged due to the fact that the temperature is too high is avoided.

The invention discloses a traditional Chinese medicine hot compress towel heating and fumigating device, and belongs to the technical field of clinical traditional Chinese medicine hot compress treatment.The traditional Chinese medicine hot compress towel heating and fumigating device comprises a manpower plate trailer, a supporting frame fixed to the top end of the manpower plate trailer, a traditional Chinese medicine liquid barrel and a storage battery, and the supporting frame is fixed to the middle of the top end of the manpower plate trailer; the traditional Chinese medicine liquid barrel is fixed to one side of the top end of the manpower plate trailer, the storage battery is fixed to the other side of the top end of the manpower plate trailer, the steamer is fixedly installed on the supporting frame, the bracket is fixedly installed in the steamer, and the stainless steel spin-drying barrel is arranged on the bracket. The towel steaming and boiling device can effectively save time for steaming and boiling towels, avoids the process of manually twisting the towels by an operator, reduces the risk that the operator or a patient is scalded, reduces labor consumption for steaming and boiling the towels, saves time for steaming and boiling the towels, and saves time for taking and using the towels back and forth.

The invention relates to the technical field of building materials, and discloses fire-resistant decoration waste exterior wall external thermal insulation mortar and a preparation method thereof. The fire-resistant decoration waste exterior wall external thermal insulation mortar comprises the following raw material components in parts by weight: 60-410 parts of cement; 120 to 550 parts of decoration waste recycled aggregate; 36 to 75 parts of SiO2 aerogel; 8 to 17 parts of a silane coupling agent; 1.3 to 2.1 parts of dispersible latex powder; 0.5 to 1.0 part of methyl cellulose; 7-15 parts of a water reducing agent; 0.2 to 0.4 part of an air entraining agent; and 120 to 180 parts of water. According to the invention, the low-cost and high-strength decoration waste recycled aggregate is used for partially replacing expensive and low-strength aerogel, so that the thermal insulation performance of the mortar is ensured, and the material cost is greatly reduced; the decoration garbage exterior wall external thermal insulation mortar can resist high-intensity fire disasters with the highest temperature of 1000 DEG C and the fire receiving time of 2.5 h, and can be applied to exterior wall external thermal insulation systems of high-rise and super high-rise buildings with high fire extinguishing difficulty.

The utility model provides a supporting structure for a hot water insulation pipe, which comprises a supporting piece, a sliding seat, a buffer piece and a holding assembly, and the supporting piece is arranged on the ground along the vertical direction; the sliding base is slidably connected to the top of the supporting piece in the horizontal direction. The buffering piece is arranged on the sliding seat and comprises a guide cylinder, an elastic piece and a connecting table, the guide cylinder is connected to the upper portion of the sliding seat and provided with an upward opening, the elastic piece is arranged in the guide cylinder and extends upwards, and the connecting table is connected to the upper end of the elastic piece and is in sliding fit with the guide cylinder; the enclasping assembly is connected to the upper end of the connecting table, the main shaft is parallel to the sliding direction of the sliding base, and the enclasping assembly is used for enclasping the periphery of the pipeline. The supporting structure for the hot water heat preservation pipe can quickly adapt to changes of the length of the pipeline when the pipeline generates axial displacement or radial vibration, buffer the radial vibration, avoid breakage of the outer wall of the pipeline and guarantee the heat preservation performance of the hot water heat preservation pipe.

The invention relates to a flame-retardant cellulose composite film and a preparation method thereof, belongs to the field of flame-retardant materials, and aims to solve the problems that a cellulose film is inflammable, poor in compatibility with an inorganic flame retardant, relatively low in mechanical property and the like. The main components of the composite membrane comprise nanocellulose, titanate nanofibers, carbon dots and a cross-linking agent. The preparation method comprises the following steps: firstly, enabling the carbon dots to react with the nanocellulose under the action of an initiator; secondly, adding titanate nanofibers into the carbon dot modified nanocellulose suspension, and uniformly mixing; then, adding a cross-linking agent and uniformly dispersing to obtain a mixed solution; and finally, casting the solution into a culture dish, and curing in a vacuum drying oven to prepare the flame-retardant cellulose composite film. According to the preparation method, the compatibility of the flame retardant and the nano cellulose is remarkably improved, the mechanical property is enhanced, and the composite film has excellent flame retardance, smoke suppression and heat insulation characteristics and is suitable for preparing the flame-retardant cellulose composite film.

The invention discloses a blood sampling heat preservation device for animal epidemic disease detection, which comprises a storage box, a heat preservation cavity is arranged in the storage box, a plurality of groups of heating rods are arranged in the heat preservation cavity, an annular conveying belt is arranged in the heat preservation cavity, a plurality of groups of bottle placing seats which are arrayed at equal intervals are arranged on the annular conveying belt, and the bottle placing seats are rotatably connected with the annular conveying belt; sampling bottles are placed in the multiple sets of bottle placing bases, taking and placing holes matched with the sampling bottles are formed in the upper portion of the heat preservation cavity, and sealing plates hinged to the inner walls of the taking and placing holes are installed in the taking and placing holes. The device has the beneficial effects that a second gear at the power output end of a motor is matched with a first gear to drive a bottle placement seat to rotate so as to drive a sampling bottle to rotate, so that sampled blood in the sampling bottle is fully mixed with an anticoagulant, and meanwhile, the sampling bottle is in a heat preservation environment in a heat preservation cavity in the whole process of rotation; blood in the sampling bottle is prevented from going bad when being cooled to influence a subsequent detection result.

The invention relates to the field of campus energy-saving management, and discloses a smart campus energy-saving management method and system based on the Internet of Things, and the method comprises the following steps: transmitting collected power utilization data to a cloud server for storage; ultrasonic signals of the campus building are obtained and transmitted to the cloud server; defects existing in the campus building are recognized, and defect repairing is carried out; formulating energy-saving strategies of classes and public places; if the daily power consumption of the class or the public place exceeds the daily energy-saving power consumption target power, feeding back to a manager; the system comprises a power utilization data acquisition module, an ultrasonic data acquisition module, a model construction module, a power utilization equipment adjustment module and an energy-saving feedback module. The defects of the building structure can be found and repaired in time, potential safety hazards can be prevented, the thermal insulation performance of the campus building can be guaranteed by repairing the campus building, the place where water possibly leaks can be found in time, and energy consumption of the campus building is reduced.

The utility model belongs to the technical field of battery packs, and provides a battery pack box body connecting and sealing integrated structure which comprises a battery pack box body, and the battery pack box body comprises a bottom protection plate, a liquid cooling plate and a box body frame; the box body frame and the liquid cooling plate are riveted and locked through a sealing rivet nut; and the bottom protection plate is connected with the sealing rivet nuts through bolts. According to the utility model, the bottom protection plate, the liquid cooling plate and the box body frame in the battery pack box body are tightly connected by adopting the bolts and the sealing rivet nuts, so that reliable connection and sealing performance are provided, meanwhile, the bolts and the sealing rivet nuts can be used on a large scale, are uniform in model and are beneficial to reducing the cost, and the bolts are matched with the sealing rivet nuts, so that the sealing effect is good. In the assembling process, the liquid cooling plate and the box body frame are riveted and locked through the specific sealing rivet nuts, a box body connecting and sealing integrated structure is formed, compared with the scheme that hot melting self-tapping screws and glue are added or rivet nuts are connected in a screwed mode and a sealing ring is added, the process is higher in efficiency, and the cost is further reduced.

A heat preservation assembly comprises a plurality of installation lantern rings and a plurality of heat preservation pipes, during installation, the installation lantern rings are arranged on an aluminum-plastic pipe body in a sleeved mode, then through grooves of the heat preservation pipes are opened, and the heat preservation pipes are arranged on the aluminum-plastic pipe body in a sleeved mode; the two ends of the heat preservation pipe are embedded into annular embedded pipes of the mounting sleeves to achieve connection, and then by locking countersunk bolts, the arc-shaped pressing pieces abut against the peripheral side of the aluminum-plastic pipe body to be fixed; and finally, the heat preservation pipe is divided into multiple sections and matched with the through grooves in the heat preservation pipe, the two ends of the aluminum-plastic pipe body are fixed through the installation sleeves, and the effect of conveniently installing the heat preservation assembly is achieved.

The invention relates to a constant-temperature type ultra-clean bubbler and a control method thereof, and relates to the technical field of mixing equipment, the bubbler comprises a bubbling tank, the open end of the bubbling tank is connected with a sealing cover, the sealing cover is provided with a liquid inlet pipe, an air inlet pipe and a discharging pipe, the liquid inlet pipe and the air inlet pipe both extend into the bubbling tank, and the discharging pipe is connected with the bubbling tank. The liquid inlet pipe, the air inlet pipe and the discharging pipe are all communicated with the bubbling tank; one end of the air inlet pipe is communicated with a bubble generator; a heat preservation mechanism is arranged on the outer side of the bubbling tank and comprises a heat preservation tank, the bubbling tank is sleeved with the heat preservation tank, and a sealing cover is arranged at the opening end of the heat preservation tank and seals the opening end of the heat preservation tank; a heat preservation interlayer is formed between the inner wall of the heat preservation tank and the outer wall of the bubbling tank, and a first pipe and a second pipe are arranged on the sealing cover and both communicated with the heat preservation interlayer. The heat preservation mechanism is arranged on the outer side of the bubbling tank and is difficult to damage, the heat preservation effect of the heat preservation interlayer on the raw material liquid can be guaranteed, and then the efficiency of taking away the raw material liquid by gas is improved.

The utility model provides a hot-rolled strip steel heat preservation device which comprises a power device, a supporting column, a Z-shaped plate and a heat preservation cover. The movable end of the power device is hinged to one end of the Z-shaped plate, and the middle position of the Z-shaped plate is rotationally connected with the supporting column through a rotating shaft. The heat preservation cover is installed at the other end of the Z-shaped plate, and the Z-shaped plate is driven by the power device to rotate around the rotating shaft so as to control the heat preservation cover to be opened or closed. The heat preservation cover has the advantages that the heat preservation cover can be rapidly opened or closed through the power device, the supporting base, the rotating shaft and the Z-shaped plate, the Z-shaped plate only rotates on the same plane around the rotating shaft, namely, the heat preservation cover only can move upwards or downwards and cannot move left and right, the accuracy of the position of the heat preservation cover when the heat preservation cover is closed is effectively guaranteed, and the heat preservation cover can be rapidly opened or closed. And the opening or closing efficiency of the heat preservation cover is greatly improved.

The invention discloses an energy-saving and environment-friendly waste heat recovery type heat exchange system, and relates to the technical field of heat exchange, a heat-insulation shell is provided with a heat exchange dust removal assembly, the outer side of a heat exchange water pipe assembly is uniformly sleeved with fixed heat exchange sheets, and the side, close to the fixed heat exchange sheets, of a movable heat exchange sheet is fixedly clamped with a scraper; the electric push rod pushes the sliding block to slide along the sliding rail, the scraping plate can scrape off dust adhering between the fixed heat exchange pieces, the movable sleeve pushes the fixed lead screw to move upwards, the movable lead screw can move upwards, the movable lead screw can move upwards, the movable lead screw can move upwards, and therefore the dust can be removed, and the dust can be removed. The protruding plates and the movable heat exchange pieces which are connected with the lifting plates are pushed to penetrate through the guide scraping holes, the scraping plates penetrate through the scraping plate holes, the movable heat exchange pieces are also cleaned, cleaning is easy while the large heat exchange area of the internal structure is guaranteed, the heat exchange efficiency is guaranteed, and the cleaning difficulty is greatly reduced.

The utility model provides an assembly type light steel wallboard module unit integrating heat preservation and decoration. The assembly type light steel wallboard module unit comprises a module framework, a light wallboard, an inner and outer wall decorative plate and a groove type metal cover plate. The light wallboard is reasonable and reliable in structural design, through the modular design of the wallboard framework, the light wallboard can be rapidly assembled in the vertical direction and the horizontal direction, the number of on-site installation procedures is reduced, the construction efficiency is improved, the construction difficulty is reduced, and on the basis that the requirement for rapid assembly and rapid disassembly of wall decoration boards is met, the construction cost is reduced. And the waterproof, heat-insulating and attractive appearance of the joints of the wallboards is ensured. The inner wall face decoration panel and the outer wall face decoration panel are arranged in a quick-assembly and quick-disassembly structure, the wall face decoration working procedure is simplified, the sealing and waterproof functions and the like of the wall plate joints are guaranteed, and meanwhile personalized customization and convenient replacement of wall face decoration can be achieved for a user in the later using process.

The utility model relates to a waste heat boiler, and relates to the technical field of waste heat recovery, the waste heat boiler comprises a boiler barrel and a flue gas radiation box, the flue gas radiation box is provided with an inlet flue, an outlet flue and a membrane type water cooling wall, and the boiler barrel communicates with the membrane type water cooling wall through a downcomer and is used for providing water for the membrane type water cooling wall; the flue gas radiation box is communicated with the boiler barrel through an ascending pipe and is used for introducing a steam-water mixture generated by water heated by flue gas at high temperature in the membrane water cooling wall into the boiler barrel; a flue gas staying piece is further arranged in the flue gas radiation box and used for prolonging the staying time of flue gas in the flue gas radiation box so as to prolong the heat exchange time. Compared with the prior art, the waste heat boiler is better in sealing performance through the arrangement of the membrane type water cooling wall, the problem of high-temperature flue gas leakage can be solved, the manufacturing period can be shortened, and the boiler manufacturing cost can be reduced.

The invention discloses a low-absorption high-emission thermal control coating resistant to an aerodynamic thermal environment and a preparation method of the low-absorption high-emission thermal control coating. The coating comprises a base material and a coating body. The coating is of a bottom surface layer structure, an organic silicon resin functional group modified phenyl methyl silicon resin component A and an organic silicon resin functional group modified phenyl methyl silicon resin component B serve as a binding agent, a resin component A comprises basic resin and a crosslinking catalyst, and a resin component B comprises basic resin and a crosslinking agent; the bottom surface layer structure comprises a bottom layer and a surface layer; mixed powder of boron nitride, aluminum oxide and hollow glass microspheres is used as filler in the bottom layer; zinc titanate powder and aluminum oxide whiskers are used as fillers in the surface layer. Aiming at various harsh working conditions such as maintaining a heat balance state required by the spacecraft in complex environments such as raining, high-temperature and high-speed pneumatic scouring, high-low temperature alternation and space radiation, the operation stability of a cabin of the spacecraft after experiencing various environments is improved, and the in-orbit space application environment requirements of the subsequent spacecraft are met.

The invention provides a building integrated photovoltaic panel curtain wall installation construction method, and belongs to the technical field of photovoltaic panel curtain wall construction, and the building integrated photovoltaic panel curtain wall installation construction method comprises the steps that the surface of an embedded part is cleaned; a three-dimensional coordinate control system is used for measuring, setting out and positioning; a heat insulation cushion block is installed between the consolidation piece and the adapter piece, and foam glue is applied in a gap to insulate heat loss; mounting and adjusting the adapting piece, and firmly positioning and connecting the adapting piece and the consolidation piece; the vertical keels and the transverse keels are installed and connected in a welding mode; constructing a thermal insulation layer, and fixing the fiber felt composite rock wool board by using a special thermal bridge breaking rock wool anchor bolt; cement boards are installed and fixed, and weather-proof sealant is injected into joints; a photovoltaic curtain wall system rooting supporting steel framework is installed, and the optimal supporting structure layout is calculated through an optimization algorithm so that the stability and the bearing capacity of the whole structure can be ensured; a photovoltaic panel unit plate is installed, a photovoltaic panel circuit and a control device are connected, system debugging is carried out, and the problem that in the prior art, the optimization degree is not enough due to experience is solved.

The invention relates to an efficient reboiler and a rectifying tower, and belongs to the technical field of reboilers. Comprising a shell and a U-shaped heat exchange tube arranged in the shell, a shell pass inlet and a shell pass outlet are formed in the shell, a liquid inlet cavity and a liquid outlet cavity are formed in one end of the shell, and the two ends of the U-shaped heat exchange tube are communicated with the liquid inlet cavity and the liquid outlet cavity respectively. The shell is provided with a tube pass inlet and a tube pass outlet corresponding to the liquid inlet cavity and the liquid outlet cavity respectively, the U-shaped heat exchange tubes are sleeved with cleaning plates, the cleaning plates are provided with through holes corresponding to the U-shaped heat exchange tubes in a one-to-one mode, and cleaning pieces are arranged in the through holes. The shell is provided with a driving piece used for driving the cleaning plate to reciprocate in the length direction of the shell. According to the invention, the problem that the internal structure of the reboiler is difficult to clean in the prior art is solved.

The invention discloses a low-energy-consumption outer wall enclosure system and a construction method, and particularly relates to the technical field of energy-saving construction, and the low-energy-consumption outer wall enclosure system comprises a concrete column beam composed of frame columns and frame beams. The self-heat-preservation function of an outer wall enclosure system is achieved, an outer heat preservation layer does not need to be additionally arranged, the engineering construction cost is remarkably reduced, composite self-heat-preservation building blocks are adopted for the wallboards, the continuity of the heat preservation layer is ensured through an ingenious meshing connection mode, and therefore the excellent heat preservation performance of the wall is ensured, and meanwhile, the wall has the good heat preservation effect. Lightweight aggregate concrete with self-heat-preservation performance is adopted in key parts such as constructional columns, frame-embracing columns, lintels and coping, the overall heat preservation effect is further improved, foam mortar and waterproof mortar are elaborately filled in the top of the wallboard and the side faces of the columns, and the heat preservation, waterproof and fireproof performance of cold and hot bridge parts of a wall body is effectively guaranteed. The wall plates are connected through the convenient U-shaped clamping pieces, and compared with a traditional fixing mode, construction is easier, more convenient and faster.

A growth layer I and a germination layer I are laid on the closed beach face of the tailing pond, a plurality of vegetation bags are embedded in the closed beach face of the tailing pond at intervals, each vegetation bag is of an inner-layer and outer-layer bag-shaped structure with the top open, and a growth cavity with the top open is formed in the inner face layer of each vegetation bag. The outer surface layer of the vegetation bag surrounds the inner surface layer, the bottom edge of the outer surface layer is fixedly connected with the bottom edge of the inner surface layer, a moisturizing and heat insulation cavity is formed between the outer surface layer and the inner surface layer of the vegetation bag, the growth cavity is filled with a growth layer II and a germination layer II from bottom to top, and the moisturizing and heat insulation cavity is filled with moisturizing cotton. The beach face is covered with the growth layer I and the germination layer I, the vegetation bags are buried on the beach face at intervals, the vegetation coverage rate is guaranteed, meanwhile, the vegetation bags can avoid loss of base materials, and the defects that an existing vegetation bag is single in function and poor in moisture preservation and heat insulation performance are overcome through the composite structure and filler configuration of the vegetation bags. The device has the advantages of being simple in structure, good in moisture preservation and heat insulation performance, high in vegetation coverage rate after restoration and long in service life.

The invention discloses a high-performance warm-keeping core-spun yarn and a preparation method thereof. The preparation method comprises the following steps: S1, preparing a cellulose fiber spinning solution from a 1-allyl-3-methylimidazole chloride solution, absorbent cotton and sodium alginate; s2, performing wet spinning on the cellulose fiber spinning solution, and obtaining cellulose porous structure fibers by adopting a supercritical drying method; s3, introducing an SEBS solution into the cellulose porous structure fibers, and carrying out incomplete curing to obtain yarns; s4, performing compact siro spinning on the basis of the yarns and the aramid short fibers to obtain the core-spun yarns. The core-spun yarn has the beneficial effects that the heat insulation property and the heat retention property of the core-spun yarn are improved, and meanwhile, the core-spun yarn also has softness and good mechanical properties.

The present invention relates to the field of liquid level measurement technology, and specifically discloses a liquid level measuring instrument for a cryogenic container, comprising a superconductor float, a magnetic track, a float position measuring device and a display device. The superconductor float is locked by the magnetic flux of the magnetic track, the magnetic track is fixed on the display device, the float position measuring device is respectively installed on the conductor float and the magnetic track, and the float position measuring device is connected to the display device by signal to display the liquid level information. The superconductor in the superconductor float of the present invention is made of superconducting materials in the prior art, and the material can be adjusted according to the temperature in the cryogenic container; in the present invention, the magnetic flux locking effect of the superconductor in the magnetic field is utilized, so that the position of the superconductor float is controllable, while reducing the friction caused by fixation or measurement, and also solving the problem of mechanical failure or measurement failure caused by frost.

The invention provides a heat recovery device of an air preheater, relates to the field of heat recovery of air preheaters, and aims to solve the problems of flue gas heat loss and insufficient heat recovery in the prior art. The device comprises an air preheater body, a flue gas filter, a fan, a preheating outer frame body, a heat preservation shell plate and the like. The air preheater body is provided with an air inlet pipe opening, an air outlet pipe opening and a heat exchange cavity, and a two-stage filter screen plate of the flue gas filter ensures that the flue gas is clean. The fan drives the spiral blades to make smoke flow spirally, and the circulation path is increased. A spiral liquid guide channel of the preheating outer frame body is communicated with a heat exchange pipeline, and heat exchange between water and smoke and heat exchange between the water and the smoke and the outer shell body are achieved through a booster pump. The heat preservation shell plate reduces heat loss. All the components work cooperatively, heat loss of the shell is effectively reduced, heat recovery efficiency is improved, and the heat exchanger is suitable for the fields of industrial boilers and the like and has remarkable energy-saving and environment-friendly significance.

The invention discloses an integrated unit type elastic aluminum plate waterproof structure used for a deformation joint and integrated with a curtain wall, and belongs to the technical field of building construction. The aluminum alloy curtain wall comprises rock wool filled in a deformation joint, the deformation joint is covered with a V-shaped stainless steel plate, an EPDM rubber plate, a fold line type aluminum plate and a U-shaped aluminum plate are mounted between aluminum alloy curtain wall keels, and a rubber plug is arranged between overlapped sections of the fold line type aluminum plate and the U-shaped aluminum plate. The structure is scientific in structural design, ingenious in structure, easy to construct and good in protection and deformation resistance, the deformation joint water stop component and the deformation joint outer curtain wall decoration structure are designed in an integrated unit mode and integrally installed with the curtain wall, the structure is simple, erecting is convenient, and the construction cost is low. The problems of exterior cracking and damage of deformation joints caused by thermal expansion and cold contraction, differential settlement, earthquakes and the like are solved, the functions of water resistance, heat preservation, fire prevention, lightning protection and the like are ensured, the service life is prolonged, and meanwhile the overall decoration effect of the outer vertical face is improved.

The invention discloses a processing device and a processing method for recycling a multi-layer heat insulation foaming material, and relates to the technical field of foaming material processing. A control assembly is arranged on the left side of the outer wall of the mixing barrel. A conveying assembly is arranged on the right side of the mixing barrel and communicates with the interior of the mixing barrel. A discharging assembly is arranged on the right side of the device body. A forming frame is arranged on the top of the discharging assembly. A telescopic die is arranged in the die pressing assembly; and an anti-degradation device is arranged in the mixing barrel. Different kinds of raw materials are promoted to be better mixed with one another by means of the stirring plate, a multi-layer structure is formed through alternate foaming by means of the characteristics of the different materials, the problems of foaming ratio and foam hole spacing are solved by taking an unfoamed layer as a support, the compatibility difficulty between different kinds of foaming materials is reduced, and the heat insulation effect and the use strength of a finished product are guaranteed.

The invention relates to the technical field of curtain wall plates, and discloses an assembled sound insulation curtain wall plate which comprises a curtain wall plate frame, a waterproof sealing strip is fixedly connected to one side of the curtain wall plate frame, a compression cavity is formed in the inner side of the waterproof sealing strip, the curtain wall plate frame is provided with a detachable heat preservation and sound insulation assembly, and the detachable heat preservation and sound insulation assembly is arranged on one side of the curtain wall plate frame. Comprising a sound insulation plate and a heat preservation filling layer located between the sound insulation plate and a curtain wall plate frame, and the sound insulation plate and the heat preservation filling layer jointly act to provide sound insulation and heat preservation performance; each fixing assembly is arranged between every two adjacent curtain wall plate frames and comprises a fixing frame, a clamping block, a clamping groove and a clamping base, and the curtain wall plate frames are firmly connected and the whole curtain wall plate is stably fixed to the wall through cooperation of the clamping blocks and the clamping grooves and connection of the fixing frames and the clamping bases; by arranging the fixing assembly, the curtain wall plate can be disassembled by separating the clamping rod from the clamping seat during disassembly, so that the curtain wall plate is convenient to mount and disassemble, and later maintenance is facilitated.

The utility model provides a landscaping nursery stock anti-freezing device, and relates to the field of nursery stock anti-freezing, the landscaping nursery stock anti-freezing device comprises a tree trunk, the outer side of the tree trunk is symmetrically sleeved with protection plates, and a protection mechanism is arranged between the two protection plates and the tree trunk; under the action of the protection mechanism, anti-freezing protection can be carried out on nursery stocks with different diameter sizes, the heat preservation cotton is always kept to be attached to the outer wall of the trunk of a tree, the heat preservation effect is ensured, and the anti-freezing capacity is high; the situation that the protection plate slides off from the outer wall of the trunk of the tree is avoided, the stability of the anti-freezing device in the protection process is ensured, the structure is simple, and practicability is high.

The present invention provides a cold-region tunnel tunnel junction drainage and cold-proof system, comprising a drainage ditch arranged beside an existing roadbed side ditch and extending along the tunnel from the tunnel tunnel junction, a heat preservation structure is arranged on both sides of the drainage ditch along the tunnel, the upper part of the drainage ditch is covered by a cover plate assembly with a heat preservation material, a temperature sensor is arranged on the cover plate assembly and at least one section extending along the tunnel from the tunnel tunnel junction, an electric heating panel is also arranged in the drainage ditch and at least one section extending along the tunnel from the tunnel tunnel junction, the temperature sensor is used to detect the temperature in the drainage ditch, and the electric heating panel is indirectly controlled to work through the detected temperature signal. The present invention can ensure smooth drainage of the tunnel structure and safe use.

The invention discloses a preparation method of silicon dioxide composite thermal insulation aerogel. According to the invention, o-phthalaldehyde is used as a cross-linking agent to prepare the silicon dioxide composite thermal insulation aerogel with thermal insulation function, high skeleton strength and good adsorption capacity, and on the basis, sodium lauroyl glutamate is used as an air template to prepare the new silicon dioxide composite thermal insulation aerogel. On the premise that the whole gelation process is not damaged, the pore volume of the aerogel is increased, the separation effect in oil-water separation is further improved, the excellent flame-retardant capability is shown, and finally, the flame-retardant aerogel can be used for preparing oil-water separation oil-water separation oil-water separation oil-water separation oil-water separation oil-water separation oil-water separation oil-water separation. Chitosan is selected to be subjected to quaternization modification and then is directly compounded with hydrophobized silicon dioxide aerogel powder to obtain the improved silicon dioxide composite heat preservation type aerogel, the improved silicon dioxide composite heat preservation type aerogel not only has a more complex and slender framework structure, but also increases the overall surface area and surface roughness of the gel, and the adsorption capacity of the aerogel is further enhanced.