72results about How to "Good thermal insulation function" patented technology

The invention relates to an external insulating system for a thinly plastered external wall of an extruded polystyrene board, which comprises a wall structure layer. The external insulating system is characterized in that the wall structure layer consists of extruded board adhesive cement, the extruded polystyrene board, extruded board anti-cracking mortar, a hot galvanizing steel mesh, a tray anchor bolt, ceramic tile binder and a ceramic tile in turn, the extruded board adhesive cement and the extruded polystyrene board are hard boards manufactured by the continuous extruding-foaming-shaping technology and provided with closed hole honeycomb structures; and an extruded board interface agent is coated on two surfaces of the boards. The external insulating system has the advantages that the problem that the extruded polystyrene board with two smooth surfaces is stuck with other insulating building materials is solved, and the external insulating system has excellent insulating function; the energy consumption of heating and cooling for living is greatly reduced; no clear thermal bridge exists; the phenomena of dewing and freezing at lower temperature in winter are avoided; the water-proof and damp-proof functions of the wall are increased so as to effectively protect the building main body structure; the system has good living comfort level and does not affect the actual using area of the house; the application range is broad; and the system is applied to various new and old buildings.

The invention discloses a thermal coating special for a building exterior wall. The thermal coating is prepared from, by weight, 20-30 parts of acrylic emulsion, 15-25 parts of novolac epoxy, 12-18 parts of modified talc powder, 4-9 parts of attapulgite, 5-11 parts of titanium dioxide, 3-7 parts of hollow glass beads, 6-10 parts of silicon dioxide gel, 2-4 parts of nano titanium dioxide, 1-3 partsof lignocellulose, 2-3 parts of dispersing agent, 1-4 parts of coalescing agent and 30-40 parts of deionized water. The thermal coating is excellent in performance, saves energy and protects the environment, can form effective protection on the surface of a coated base material, and is high in decoration property, low in energy consumption, resistant to fire and combustion, capable of insulatingand preserving heat and long in service life.

The invention relates to a hollow laminated glass assembly for a photovoltaic curtain wall. The hollow laminated glass assembly (1) comprises dual-glass-laminated silicon-base thin film photovoltaic cell panel (3) serving as outer glass, inner glass (2), a photovoltaic terminal box (5) and a hollow layer (4) formed between the photovoltaic cell panel (3), wherein aluminum spacing bars (6) encapsulated with a drying agent (7) is combined with the photovoltaic cell panel (3) and the inner glass (2) together in the hollow layer (4), and the hollow laminated glass assembly (1) has a heat insulation function and is suitable for the field of building-integrated photovoltaics buildings. The invention further provides a manufacturing method of the hollow laminated glass assembly for the photovoltaic curtain wall.

The invention provides an anti-knocking steel box beam bridge deck paving structure and a paving method and belongs to the technical field of traffic transportation and the field of protection of bridge engineering. In the structure, the upper layer is an asphalt concrete wearing layer and the lower layer is a GFRP (Glass Fiber Reinforced Polymer)-composite concrete anti-knocking pavement layer, namely, a waterproof layer (2) is arranged on a steel box beam orthotropic bridge deck slab (1); a lower adhesive layer (3) is arranged on the waterproof layer (2); the GFRP-composite concrete anti-knocking pavement layer (4) is arranged on the lower adhesive layer (3); an upper adhesive layer (5) is arranged on the GFRP-composite concrete anti-knocking pavement layer (4); the asphalt concrete wearing layer (6) is arranged on the upper adhesive layer (5). The paving method comprises the following steps: (a) derusting a steel bridge deck by sandblasting; (b) performing anticorrosive coating on the steel bridge deck slab, and arranging the waterproof layer in a sprinkling way; (c) forming the lower adhesive layer on the waterproof layer in a coating mode; (d) strapping a GFRP glass fiber reinforced bar net, and then pouring high-strength high-toughness light composite concrete; (e) carrying out vibrating and maintaining, and afterwards adhering a GFRP glass fiber reinforced sheet on the upper surface of the concrete layer; (f) laying coarse sand on a contact surface between the GFRP sheet and the asphalt pavement layer, and arranging the upper adhesive layer in a sprinkling way; and (g) laying the asphalt concrete wearing layer.

The invention discloses thermal insulation and waterproof paint based on silica aerogel modification. The paint is prepared from the following raw materials in percentage by weight: 55%-70% of aerogelacrylic emulsion mixed slurry, 25%-40% of functional filler, 1% of a wetting agent, 3% of a coalescing agent and 1% of a defoaming agent, wherein the aerogel acrylic emulsion mixed slurry is formed by mixing aerogel powder and acrylic emulsion, and aerogel is silica aerogel with water glass as a silicon source. The cheap and easily available water glass is used as the silicon source of the aerogel, and the silica aerogel is prepared in a normal temperature and normal pressure mode, so that the cost is low, the product has excellent thermal insulation performance, and popularization and application of the aerogel are facilitated. Therefore, the mixture of the aerogel powder and the acrylic emulsion is used as a water-based base material and matched with the wetting agent, the coalescing agent and the defoaming agent for preparation. The thermal insulation and waterproof paint with good thermal insulation and waterproof functions is prepared.

The invention provides a dry-hang joint for an external wall of a fabricated building and a prefabricated external wall with the dry-hang joint. The dry-hang joint comprises a pre-buried box, a hook seat and a connecting bolt which are pre-buried in a prefabricated external wall board, wherein the side surface, facing the hook seat, of the pre-buried box is open; the hook seat is connected and fastened with a pre-buried sleeve in a building main body through the connecting bolt; the hook seat penetrates through the opening in the side surface of the pre-buried box, so as to support the whole prefabricated external wall board; the building main body comprises a prefabricated beam or a shear wall. The dry-hang joint and the prefabricated external wall have the advantages that the construction procedures are simplified; the construction progress is improved; lick bricks and decorations are prevented from flaking off from the external wall board, so that the safety performance is high; the external wall board and the decorations of the external wall board can be produced integrally in a factory, so that high-altitude decoration operation of a worker is avoided; the dry-hang bonding strength of the external wall is high; the water resistance is good; the building quality is excellent.

The invention discloses a thin-layer heat-preserving insulation coating material in the field of a building material. The thin-layer heat-preserving insulation coating material comprises the following ingredients: 25 to 45 parts of hollow glass beads, 10 to 25 parts of titanium dioxide, 3 to 10 parts of a defoaming agent, 5 to 10 parts of a thickening agent, 5 to 10 parts of a dispersing agent, 5 to 10 parts of a curing agent, 30 to 50 parts of acrylic emulsion, 10 to 25 parts of a nano sizing agent, 3 to 10 parts of a flatting agent and 3 to 8 parts of a flame retardant agent. The thin-layer heat-preserving insulation coating material has the beneficial effects that the heat conduction coefficient of a coating film is relatively low, and the comprehensive performance of the coating film is optimum; the heat reflection rate of the coating film can be improved by adding an appropriate nano material; the heat-preserving coating material is good in heat-preserving insulation function and can be smeared in a thin layer; fluorosilicone-modified acrylic emulsion is selected as a film forming matter in the coating material, and the nano material is provided, so that the artificial aging resistance of the coating film can be greatly improved.

The invention relates to the field of thermal insulation materials and provides a preparation method of polyimide aerogel. The method is characterized by comprising the following steps: step 1, preparing polyamide acid hydrogel; step 2, freezing the polyamide acid hydrogel at low temperature, and performing freeze drying and thermal imidization to obtain the polyimide aerogel. The prepared polyimide aerogel has low density, high strength and high flame retardant capacity, isotropic and anisotropic thermal insulation materials can be obtained, various application scenarios can be met, the preparation process is simple and easy to operate, shorter time is needed, cost is low, environmental protection is realized, toxic solvents are not used, and the potential of large-scale application is provided.

The invention discloses a fabric concrete composite building block and a preparation method. The concrete building block is not prone to cracking, the frost resistance is good, the compressive strength of the building block is high, no hole or pitted surface exists, the appearance is smooth, wall cracks are inhibited, and the service life of a wall body to is enabled to be matched with the servicelife of a main structure. The composite building block comprises four upright posts which are arranged to form corners of a rectangular cylinder, a fabric cylinder which is wound and fixed on the upright posts to form a rectangular cylinder structure in a tensioned mode and a filler filling a fabric shell, the cross section of each upright post is rectangular, and the four upright posts are fixedrelative to each other to form a lattice type core cage. The preparation method comprises the following steps that step 1, the core cage is prepared; step 2, the fabric cylinder is prepared; step 3,the fabric cylinder is filled with the filler, pressing and vibrating for compaction are carried out, so that fabric adheres to the inner wall of a steel mold; and step 4, curing and molding are carried out, curing is carried out until the filler is initially set, the steel mold is removed, curing is carried out continuously until the filler is completely solidified, and the fabrication of the composite building block is completed.

The invention discloses a gypsum-based internal wall plastering material with heat preservation and heat insulation function. The plastering material has light weight, high bond strength, strong water resistance, significant heat preservation and heat insulation function and good air permeability, can be applied for plastering various internal walls, leveling the internal walls and providing excellent heat preservation and heat insulation function. The plastering material has the following formula by weight percent: 0.30-0.50 percent of building gypsum powder, 0.05-0.15 percent of finely milled high-strength cement clinker, 0.40-0.60 percent of vitrification microsphere, 0.02-0.06 percent of polyphenyl particles, 0.08-0.16 percent of powdery starch adhesive and 0.01-0.02 percent of methylcellulose. The principle of the plastering material is as follows: two heat preservation and heat insulation construction aggregates of the vitrification microsphere and the polyphenyl particles are utilized to provide the heat preservation and heat insulation function; the finely milled high-strength cement clinker is utilized to provide strength and water resistance for the plastering material; and the powdery starch adhesive with high adding amount is utilized to improve the bonding strength of the plastering material.

The invention provides a large-span and mid-span hollow roof heat-insulating structure and a construction method thereof, the structure includes an upper structural layer and a lower structural layer; the upper structural layer is an upper chord ribbed plate layer which consists of a first prefabricated slab that is taken as an upper chord rib and a second prefabricated slab that is taken as an upper chord slab; the lower structural layer is a lower chord ribbed layer which consists of a lower chord rib and a lower chord slab. The upper chord ribbed plate layer and the lower chord ribbed plate layer are connected into a cancelled structure by a shear key. The structure provided by the invention not only keeps the construction energy saving effect of the heat preservation in the overhead house surface but also improves the rigidity and carrying capacity of the roof structure; the structure also has double waterproof and anti-seepage lines in the view of waterproof and anti-seepage effect.

The invention discloses a composite metal heat-preservation layer filled with shielding materials at two sides. The composite metal heat-preservation layer comprises a heat preservation outer box, andinner-side neutron shielding layers, outer-side neutron shielding layers, reflecting metal foil sheets, an inner-side gamma shielding layer and an outer-side gamma shielding layer which fill the heatpreservation outer box, wherein the neutron shielding layers and the gamma shielding layers are inorganic shielding materials with metal characteristics; the filling sequence on the thickness sectionof the heat preservation layer is as the follows in sequence: an inner shell plate of the heat preservation outer box, the inner-side neutron shielding layer, the inner-side gamma shielding layer, the metal reflection foil sheets, the outer-side gamma shielding layer, the outer-side neutron shielding layer and an outer shell plate of the heat preservation outer box; and the metal reflection foilsheets are in a corrugated shape of forward-reverse double ball sockets which are vertically and horizontally arranged at regular intervals, or a regularly changed forward-reverse triangular corrugated shape or a chocolate corrugated shape, wherein two adjacent layers of the metal reflection foil sheets are stacked in a back-to-back staggered mode that the top point of one forward ball socket faces the top point of one corresponding reverse ball socket. The invention provides the composite metal heat-preservation layer with a heat-preservation and heat-insulation function and a radiation shielding function, and the composite metal heat-preservation layer can be used in a high-temperature radiation environment for a long time without needing of replacement.

The present invention discloses a waterproof environmentally-friendly floor comprising the following raw material components by weight: 50 parts of waste plastic, 12-15 parts of a crushed plant material, 3-5 parts of an oxide premix, 10-15 parts of wood ship powder, 3-5 parts of diatomaceous earth, 15-20 parts of peat, 8-12 parts of a filler, 4-6 parts of methacrylate, 2-4 parts of cellulose acetate, 4-5 parts of an interfacial modifier, 2-4 parts of magnesium oxide powder, 3-4 parts of bamboo fiber, 3-4 parts of stearic acid, 0.3-0.5 part of ferrous sulfate and 3-6 parts of a binder; by use of the waste plastic, waste is used, and turned into treasure, and the purpose of energy conservation and environmental protection can be achieved. By synergies of the oxide premix and the crushed plant material, the compressive strength and the flexibility of the material can be increased, the obtained material is difficult to age, and has waterproof, fireproof and soundproof functions, the interfacial modifier can adapt to climate changes in temperature, cracks are not easy to produce, the waterproof environmentally-friendly floor does not cause water leakage, and has strong acid and base resistance and shock resistance and good thermal insulation function.

The invention discloses a method for preparing building insulation materials using shell powder, wherein the building insulation materials are obtained by mixing the following raw materials and admixtures by mass percentage and stirring for slurrying, granulation by spray and high temperature firing: 50-60% of shale, 10-15% of feldspar, 10-13% of sandstone, 0-3% of limestone, 5-8% of magnesite and 10-16% of shell powder.The method for preparing building insulation materials not only utilizes the mine raw material and the waste shell powder to achieve the comprehensive utilization of the resources, and the product has fairly good mechanical property and heat preservation performance with low manufacturing cost and little environmental pollution.

The invention discloses nuclear-grade equipment and a single-side shielding material filling insulation layer for pipelines. A insulation outer box, a neutron shielding layer, a gamma shielding layerand metal reflective foils are included, the neutron shielding layer, the gamma shielding layer and the metal reflective foils are contained inside the insulation outer box, and the neutron shieldinglayer and the gamma shielding layer are both made of an inorganic shielding material with metallic properties; the sequence of filling in the thickness section of the insulation layer is an inner shell plate of the insulation outer box, the neutron shielding layer, the gamma shielding layer, the metal reflective foils and an outer shell plate of the insulation outer box; and the metal reflective foils are in shapes of waves of positive and negative circular cone bosses regularly arranged vertically and horizontally at intervals, and every two adjacent layers of the metal reflective foils are stacked in a back staggered manner with the peak of one positive and negative circular cone boss abutting against the peak of the other positive and negative circular cone boss. The composite metal insulation layer with the insulation and heat isolation functions and the screen radiation shielding function is provided, the insulation layer can be used in a high temperature radiation environment fora long time without replacement, and the requirements of nuclear grade equipment and the insulation layer for the pipelines are met

The invention relates to a heat preservation graphene decorative sheet in a building outer wall and a production flow thereof. The graphene decorative sheet comprises an aluminum-magnesium alloy hardness layer (3) used as a basic layer, a decorative layer (2) is composited onto the outer surface of the aluminum-magnesium alloy hardness layer (3), a nano ultraviolet protective layer (1) is composited onto the outer surface of the decorative layer (2), a polyurethane heat preservation layer (4) is composited onto the inner surface of the aluminum-magnesium alloy hardness layer (3), an aluminum-foil anticorrosion layer (5) is composited onto the inner surface of the polyurethane heat preservation layer (4), the nano ultraviolet protective layer (1), the decorative layer (2), the aluminum-magnesium alloy hardness layer (3), the polyurethane heat preservation layer (4) and the aluminum-foil anticorrosion layer (5) are sequentially composited into a whole body from top to bottom, and the decorative layer (2) is a decorative film or a coating. Compared with the prior art, the heat preservation graphene decorative sheet is not only good in heat preservation effect, energy-saving, environment-friendly and high in practicability, but also durable, long in service life and good in flame retardancy and corrosion resistance.

The invention provides a density conditioning agent for a high polymer and a preparation method of the density conditioning agent. The preparation method comprises the following steps of: modifying the coal ash which is taken as a raw material by an alkaline modifier and an acid modifier sequentially, and activating by a coupling reagent. The prepared density conditioning agent for high polymer is used for the high polymer products, and has the advantages of being high in applicability and high in compression strength, improving the flowability, the abrasive resistance, the carving resistance, the corrosion resistance, the pollution resistance and the weather fastness, being good in gloss controllability and flexibility, improving the high temperature-resistant fireproof performance, having the functions of heat preservation and heat insulation, being good in rubbing property, improving the work efficiency, being low in cost and the like; and the oil value can be reduced, the processability can be improved, the loading level can be increased, and the production cost of the high polymer product producing enterprises can be obviously reduced, so that the density conditioning agent is wide in application prospect in the industries, i.e. the plastics, the rubber, the asphalt and the like.

The invention relates to a seal primer specially used for heat-insulating and waterproof coating, and a preparation method of the seal primer, in particular to a seal primer specially used for heat-insulating and waterproof coating of an aging asphalt roofing, and a preparation method of the seal primer, aiming at solving the problems that as a roof water-proofing material, the existing asphalt felt waterproof coiled material has phenomena of premature aging and cracking, so that a waterproof layer loses efficacy and roofing leakage is further caused. The seal primer is prepared from deionized water, a dispersing agent, a defoaming agent I, filler, pigment, polymer emulsion, a defoaming agent II, a film-forming agent, a mildew preventive and a thickening agent component, wherein the thickening agent component is prepared from a thickening agent and a solvent of the thickening agent. The preparation method comprises the steps of 1, preparing slurry; 2, preparing primer. The seal primer specially used for the heat-insulating and waterproof coating of the aging asphalt roofing is high in strength and elongation, high and low temperature-resistant, aging-resistant, strong in binding power and good in extensibility.

The invention belongs to the technical field of coatings, and concretely relates to a water-based heat-insulation coating and a preparation method thereof. The coating is prepared from the following raw materials in parts by weight: 18 to 25 parts of water glass, 12 to 20 parts of sodium metaaluminate, 35 to 55 parts of silica solution, 5 to 8 parts of aluminum sulfate, 2 to 4 parts of sodium hydroxide, 10 to 15 parts of calcium sulfate, 8 to 12 parts of bentonite, 1 to 3 parts of pigment, and 80 to 130 parts of water. The water-based heat-insulation coating prepared by the method provided bythe invention adopts pure inorganic materials as the raw materials and water as a solvent so as to be economic and environmentally-friendly, and cannot harm a human body and an environment; the coating prepared by the method provided by the invention contains a nanometer material with a certain mesoporous so as to have an excellent heat insulation function; in the formula, the bentonite and the calcium sulfate are compositely used, so that the coating has an excellent coating performance and is not easy to fall off.

The invention discloses heat preservation type inner wall plastering anhydrite and a method. The heat preservation type inner wall plastering anhydrite is prepared from the following matters in partsby weight: 400 to 450 parts of alpha type hemihydrates gypsum, 200 to 300 parts of a microcapsule phase-change material, 50 to 100 parts of calcium triple superphosphate, 20 to 70 parts of quartz sand, 50 to 60 parts of glass beads, 15 to 20 parts of redispersible emulsion powder, 0.5 part of starch ether, 2.5 parts of cellulose ether and 0.4 part of retarder. A preparation method of the heat preservation type inner wall plastering anhydrite comprises the following steps: weighing all raw materials in parts by mass, sequentially adding the raw materials in weightlessness dry blending equipment, and starting the weightlessness dry blending equipment for blending after completing addition of all the raw materials; discharging and packaging after uniformly stirring. The heat preservation typeinner wall plastering anhydrite disclosed by the invention is mainly applied to inner wall plastering, the thickness which is 1 to 2 cm can be achieved through one-time construction, and the heat preservation type inner wall plastering anhydrite has a good heat preservation and heat insulation function except the technical effects of common plastering anhydrite construction.

The invention relates to a fabric concrete block and a preparation method. The block has high crush resistance strength, no holes and pitted surfaces, good appearance quality and strong wall adhesionability, and can restrain wall cracks and prolong wall life to enable the block is matched with the service life of a main structure. The block comprises four L-shaped angle shafts arranged to form arectangular barrel corner angle, a fabric shell which is fixed outside the L-shaped angle shafts in tension winding mode and form a rectangular barrel structure and filler, wherein the fabric shell isfilled with the filler.. The preparation method comprises the steps that 1, the preparation of the fabric shell is carried out; 2, the fabric shell is filled with the filler, pressing and concrete vibrating are carried out to enable the filler to be compact, so that the fabric adheres to the inner wall of a steel mould; and 3, maintenance is carried out for molding, maintenance is carried out until the initial solidification of the filler is completed, the steel mould is removed, maintenance is carried out until the filler is fully solidified, and the block production is completed.

The invention discloses a corrosion-resistant sound insulation type building decorative wall structure, aiming at solving the problems that in the prior art, the sound insulation effect of walls is poorer; furthermore, acid rain easily seeps into the walls, so that the strength of the walls corroded by the acid rain is also slowly reduced. The corrosion-resistant sound insulation type building decorative wall structure is characterized by comprising a wall body; the wall body is formed by pouring polypropylene fiber fly ash expansive concrete; the wall body is internally provided with an alkali-resistant fiberglass mesh fabric or alkali-resistant fiberglass fabric layer; the wall body is provided with a first waterproof layer; the first waterproof layer is provided with a bonding layer and a sound insulation layer; the sound insulation layer is stuck on the first waterproof layer by means of the bonding layer. The corrosion-resistant sound insulation type building decorative wall structure has good acid rain erosion resistance and is better in sound insulation effect.

The invention discloses a waterproof environment-friendly floor comprising the following raw material components in parts by weight: 50 parts of waste plastics, 12-15 parts of a plant crushed material, 3-5 parts of an oxidized premixed material, 10-15 parts of a wood chip powder, 3-5 parts of diatomite, 15-20 parts of peat, 8-12 parts of a packing, 4-6 parts of metacrylic acid ester, 2-4 parts of cellulose acetate, 4-5 parts of an interface modifier, 2-4 parts of a magnesium oxide powder, 3-4 parts of a bamboo fiber, 3-4 parts of stearic acid, 0.3-0.5 part of ferrous sulfate, and 3-6 parts of an adhesive. With utilization of the waste plastics, the wastes are utilized and turned into treasure, and the purposes of energy saving and environmental protection are achieved. The oxidized premixed material and the plant crushed material are in synergistic effect, so that the compressive strength and toughness of the material can be improved, and the obtained material is not easy to age and has the waterproof, fireproof and sound insulation functions; the interfacial modification agent can adapt to changes in weather temperatures, so that cracks are not easily produced, water leakage is not caused, and the floor has strong acid and alkali resistance, strong impact resistant ability, and good heat-preservation heat-insulation functions.

The invention provides a casting method of a thermal insulation pipeline. The casting method comprises the following steps: 1, taking and fully mixing silicon powder, attapulgite and crosslinking polyvingypyrrolidone (PVPP) uniformly to obtain a granular material, performing low temperature drying on the granular material to obtain a mixture I; 2, taking aggregate, a heating material, a thermal insulation material and a binder, mixing for 10-25 min to obtain a slurry; 3, filling a pipeline die with the mixture I and the slurry by using a core shooter for forming, and demolding, wherein the pipeline wall thickness is 6-10 mm; 4, placing the pipeline material after forming and demolding into a continuous drying kiln, drying for 30-40 min at the rate of 1-2 cm / s and at the temperature of 320-450 DEG C, solidifying, drying, and clearing the corners of the pipeline, so as to obtain the finished product. According to the casting method of the thermal insulation pipeline, the pipeline casting time is shortened, the pipeline casting temperature is reduced, and the overall thermal insulation effect of the pipeline is obviously improved; besides, the process is simple, complex and dangerous operation steps are avoided, the material cost is low, the production efficiency is high, and the industrial mass production is facilitated.

The invention discloses a frozen soil area roadbed heat preservation structure, a construction method and application. A sand cushion layer is laid on the roadbed, a polyurethane heat preservation layer is sprayed or a polyurethane gravel mixture layer is laid on the sand cushion layer, geotechnical cloth is laid on the polyurethane heat preservation layer or the polyurethane gravel mixture layer,a sand / gravel cushion layer is laid on the geotechnical cloth, and railway ballasts are arranged on the sand / gravel cushion layer; polyurethane heat preservation layers are sprayed on side slopes onthe two sides of the roadbed or polyurethane gravel mixture layers are paved on the side slopes on the two sides of the roadbed, geotechnical cloth is laid on the polyurethane heat preservation layersor the polyurethane gravel mixture layers, and a sand / gravel cushion layer is laid on the geotechnical cloth; and the frozen soil area roadbed heat preservation structure is used for treating frost heaving and thaw collapse diseases of railway beds in seasonal frozen soil areas. According to the roadbed heat preservation structure and the construction method, the good heat preservation and heat insulation functions are achieved, the influence of external atmospheric temperature changes on a frozen layer in the roadbed can be reduced, the frost heaving and thaw collapse problems of the roadbedcan be solved, and thus the smoothness of a track line can be effectively kept.

The invention discloses a ceramic heat exchanger and heat pump water heating device. The water heating device comprises a water tank, a ceramic heat exchanger and a casing, wherein a second flue gas inlet pipe is arranged at one end of the top of the ceramic heat exchanger; the top end of the second flue gas inlet pipe is provided with a first flue gas inlet pipe; a first flange plate is arrangedat the top end of the first flue gas inlet pipe; a flue gas discharge pipe is arranged at one end of the bottom of the ceramic heat exchanger; a second heat exchange pipe is arranged in the ceramic heat exchanger; both ends of the second heat exchange pipe penetrate through the sidewall of the ceramic heat exchanger; one end of the second heat exchange pipe is provided with an intake pipe; and thetop end of the intake pipe is provided with a third flange plate. Through the arrangement of the ceramic heat exchanger, the casing, the first heat exchange pipe, the second heat exchange pipe, a water pump and a temperature sensor, the better temperature control heating function of the water heating device is achieved, the functionality of the device is enhanced, and the various needs of users are met.

The invention discloses a multifunctional liner for a tundish, a preparation method thereof and an application in a tundish. The multifunctional lining of the tundish, in terms of mass percentage, consists of raw materials: 15% to 50% of carbon black, 1.5% to 65% of film-forming substances, 7% to 70% of water and / or organic solvents, and 0.2% of additives ~15%; the tundish multifunctional lining is located between the permanent layer and the working layer of the tundish. The preparation method comprises steps: (1) dispersing and dissolving the film-forming substance in water and / or an organic solvent to obtain a film-forming substance solution; (2) adding carbon black and additives to the film-forming substance under stirring (3) The multifunctional lining coating is applied on the permanent layer of the tundish by hand coating and / or spraying, and formed into a film and baked to form the multifunctional lining of the tundish.

The invention discloses a down production cleaning device with a disinfection function. The device comprises a cleaning box and a cover plate, wherein the cover plate is detachably connected to the top end of the cleaning box; a stirring mechanism is mounted in the middle of the bottom end of the interior of the cleaning box; an electric heating sheet is fixedly connected to the inner wall of thecleaning box; the outer wall of the cleaning box is coated with a heat preservation mechanism; the right side wall of the cleaning box is detachably connected with a temperature sensor through a supporting mechanism; and a liquid injection mechanism is fixedly connected to the surface of the cover plate. The cleaning device is novel in design; through the liquid injection mechanism, a disinfectantis convenient to store; a booster pump is started for uniformly spraying the quantitative disinfectant into water liquid from a spray head according to the requirement of the proportion, and the operation is convenient; cleaning liquid is heated through the electric heating sheet; the temperature is detected and controlled through the temperature sensor; the heat preservation mechanism is used for reducing the loss of heat, so that heat energy is fully utilized; and down is protected by the stirring mechanism, so that the crushing damage is reduced and the down quality is improved.

The invention specifically discloses a novel multifunctional inorganic paint, and a preparation method and application thereof, belonging to the technical field of paints. The novel multifunctional inorganic paint comprises, on the basis of 100% by mass of dry inorganic paint powder, 10 to 20% of a photocatalyst, 3 to 10% of plant extract, 15 to 25% of diatom ooze, 15 to 25% of calcium carbonate,18 to 25% of high-aluminum white cement, 16 to 22% of quartz sand and 0.1 to 1.0% of amylase. The paint provided by the invention has excellent water resistance and scrubbing resistance and good dehumidifying, sound-absorbing, thermal-insulating and fireproof functions; due to addition of the photocatalyst and the plant extract, the paint is capable of removing formaldehyde, ammonia, benzene and other harmful gases and has wide-spectrum high-efficiency sterilization capability; meanwhile, interaction between the diatom ooze and the amylase greatly improves the water retention capability of thenovel multifunctional inorganic paint, so the novel multifunctional inorganic paint can adjust indoor air humidity.