33results about How to "Mitigate the urban heat island effect" patented technology

The invention relates to an outdoor ceramic permeable brick and a preparation method thereof. The ceramic permeable brick is made from the components with the following weight content of 90-95wt percent ceramic wastes which are broken into particles that are larger than 0 and smaller than 200 order and 5-10wt percent of adhesive which is bentonite. The ceramic waste particles include mixed particles which are screened from the broken ceramic waste particles. The mixed particles include particles of 0-8 order, the content of which is larger than zero and smaller than 5 percent; particles of 8-30 order, the content of which is 85-90 percent; particles of 30-100 order, the content of which is 5-15 percent. The preparation method includes: firstly, breaking the ceramic waste materials into the particles of 8-30 order; secondly, adding adhesive and water in proportion in the particle ceramic waste materials to obtain a mixture; thirdly, filling the mixture slurry in a die to press into a water permeable brick shape under the 90-110pa / mm<2> pressure of a press machine; fourthly, firing at the temperature of 1160-1220 DEG C.

The invention discloses an outdoor ceramic water permeable brick which comprises a backing material and a surface layer, wherein the backing material comprises the following components in percentage by weight: 90-95wt% of ceramic waste particles which are crushed to be greater than 0 mesh but smaller than 200 meshes and 5-10wt% of a binder which is bentonite; and the surface layer comprises colored ceramic waste particles which are crushed to be greater than 0 mesh but smaller than 200 meshes and the binder, or a mixture of pigments, ceramic waste particles which are crushed to be greater than 0 mesh but smaller than 200 meshes and the binder; weight of the surface layer accounts for 20% of the weight of the backing material; and the pigments are common ceramic industrial raw materials.

The invention provides a colored asphalt cement which is characterized by comprising the following components in parts by weight: 100 parts of petroleum resin, 80-120 parts of extract oil, 5-10 parts of polyethylene wax, 20-30 parts of light-accumulative luminescent material and 20-30 parts of reflecting material. Since the luminescent material and the reflecting material are simultaneously added into the colored asphalt cement, the colored asphalt pavement formed by the colored asphalt cement is colorful at daytime and can achieve a favorable vision promotion effect at night, thereby enhancing the recognition capabilities of drivers and improving the traffic capacity and traffic safety of roads. Besides, the invention can reduce the radiant heat of the roads, decrease the heat island effect of the city and effectively save the energy.

The invention belongs to the field of asphalt concrete pavements and relates to a composite asphalt cooling pavement top layer and a construction method thereof. The construction method comprises following steps: S1, a thermal-resistant asphalt mixture is spread on the top layer of a pavement and then rolled; S2, after the thermal-resistant asphalt mixture rolled in S1 is cured, the upper surface of the thermal-resistant asphalt mixture is coated with a coating; S3, after the thermal-resistant asphalt mixture and the coating are cured, the composite asphalt cooling pavement top layer is formed. Pavement ruts, the urban heat island effect and permafrost subgrade defects can be overcome.

The invention relates to a vehicle-mounted composite solar energy and tail gas waste heat recovery absorption refrigeration system which comprises a condenser, an evaporator, an absorber and a generator. A liquid state refrigerating fluid outlet of the condenser is connected with a liquid state refrigerating fluid inlet of the evaporator, a gas state refrigerating fluid outlet of the evaporator is connected with a gas state refrigerating fluid inlet of the absorber, a mixed liquid outlet of the absorber is connected with a mixed liquid inlet of the generator, an absorbent inlet of the absorber is connected with an absorbent outlet of the generator, a gas state refrigerating fluid outlet of the generator is connected with a gas state refrigerating fluid inlet of the condenser, a heat exchange pipe which is used for conducting heat exchange with mixed liquid in the generator is arranged in the generator, and the heat exchange pipe in the generator is connected with a heat generation device through a water inlet-outlet pipe arranged outside the generator. According to the vehicle-mounted composite solar energy and tail gas waste heat recovery absorption refrigeration system, before a vehicle is started, energy sources are provided by the solar energy, and after the vehicle is started, the energy sources are provided by the tail gas waste heat of the vehicle. Therefore, the energy resources are saved, the heat pollution of the tail gas of the vehicle to the atmosphere is avoided, and the requirement of human bodies for comfort of the heat environment is met.

The invention belongs to the technical field of thermal radiation, and particularly relates to a dynamic thermal radiation refrigeration device based on phase change material vanadium dioxide. According to the dynamic thermal radiation refrigeration device based on the phase change material vanadium dioxide, on the basis of the classic metal-medium-metal metasurface structural design, a transition medium layer is introduced to effectively improve the adhesive force of a phase change material vanadium dioxide film; and the whole device is adjusted and controlled to correspond to the peak value of the black body radiance at the room temperature through selection of the medium layer material, and therefore, the technical problem that an existing heat radiation refrigeration device is relatively poor in refrigeration effect is effectively solved. According to the dynamic thermal radiation refrigeration device based on the phase change material vanadium dioxide, when the temperature is higher, energy is radiated outwards through an intermediate infrared 8-14 micron atmosphere window, and sunlight is reflected; when the temperature is lower, energy is hardly radiated outwards, so that the functions of intelligent temperature control and dynamic refrigeration are achieved; the device has the characteristics of intelligent dynamic temperature control, simple structure, convenience in large-area preparation, zero energy consumption, polarization insensitivity and the like; and the device is of great significance in solving the problem of excessive refrigeration and relieving the urban heat island effect, and has application potential in the fields of infrared camouflage and the like.

The invention discloses an urban road surface cooling and dust-reducing system and a construction method thereof. The urban road surface cooling and dust-reducing system comprises a road surface, wherein the road surface is provided with a plurality of inspection wells; the inspection wells are close to a curbstone of a sidewalk; a sealed equipment chamber is formed in the inner wall of each inspection well; a water pump and control equipment are placed in each equipment chamber; an output end of each water pump is connected with a water spraying header pipe through a pipe; and the water spraying header pipe is connected with a plurality of sprayers parallel to the road surface. The water spraying header pipe is paved in the sidewalk, the sprayers which are parallel to the road surface are arranged on the water spraying header pipe, cooling water is sprayed out from the sprayers and cools down the road surface, heat absorption of the road surface is controlled, so that the temperature of radiation of the road surface on air is reduced, and the urban temperature is reduced. The urban road surface cooling and dust-reducing system plays an important role in an urban heat island effect, and a comfortable environment can be provided for urban citizens.

The invention discloses an active snow melting and deicing pavement structure comprising a roadbed, a plastic base layer is laid on the roadbed, a steel plate layer is laid on the plastic base layer,and an asphalt mixture surface layer is laid on the steel plate layer; a heating cable and heat-conducting metal are arranged between the plastic base layer and the steel plate layer, one end of the heat-conducting metal is located between the plastic base layer and the steel plate layer, and the other end extends into the roadbed; a temperature sensor is buried in the bituminous mixture surface layer and used for collecting the temperature of the bituminous mixture surface layer and sending the collected temperature to a controller, and the controller is used for comparing the temperature ofthe bituminous mixture surface layer with a preset freezing point temperature threshold value and controlling whether the heating cable is put into work or not according to the comparison result. Snowand ice on the road surface can be rapidly removed, road smoothness and driving safety are guaranteed in time, a large number of manpower and material resources are saved, the road performance and durability are good, the structure is reasonable, and durability is achieved.

The invention provides a light roof system suitable for regions hot in summer and warm in winter and regions hot in summer and cold in winter. The light roof system comprises a sloping layer and / or a leveling layer, an interface agent coating arranged outside the sloping layer and / or the leveling layer, a waterproof layer arranged outside the interface agent coating and a heat insulation coating arranged outside the waterproof layer, wherein the waterproof layer is a waterproof roll layer and / or a waterproof coating. According to the light roof system, the sloping layer and / or the leveling layer are / is arranged on a cast-in-place concrete roof floor slab base layer so that the interface agent coating, the waterproof layer and the heat insulation coating can be laid successfully later. The light roof system greatly reduces building loads, lowers the construction cost and is high in building safety; the energy saving effect is obvious when the light roof system is used in the regions hot in summer and warm in winter; due to the fact that heat accumulation of the roof system is lowered, the urban heat island effect is relieved obviously, and the environmental comfort level of the indoor temperature of a building is increased; a roof is resistant to water, not prone to leakage and easy and convenient to maintain.

A prefabricated modified bitumen waterproofing membrane includes a middle layer formed of a non-woven polyester and / or fiberglass reinforcement fabric, an upper layer and a bottom layer of modified bitumen asphalt, aluminum flakes on a top surface of the upper layer, and polyolefin film covering the bottom layer. A process for manufacturing the prefabricated modified bitumen waterproofing membrane includes modifying the asphalt with SBS (Styrene-Butadiene-Styrene), APP (Attic Polypropylene) or TPO (Thermoplastic Polyolefin) polymers, saturating the top and bottom sides of the middle layer of reinforcement fabric with the modified asphalt, applying the aluminum flakes to the top surface, and applying a polyethylene film to the bottom surface.

The invention discloses a gray heat-reflecting cooling coating, an application thereof in asphalt pavements, and a preparation method of the coating. The coating comprises, by weight, 100 parts of a water-based polyurethane polymerization emulsion, 1-20 parts of a metal oxide mixed phase pigment, 2-15 parts of a heat reflection filler, 1-10 parts of inorganic hollow micro-particles, 0.1-5 parts ofa dispersant, 1-30 parts of a flatting agent, 0.1-5 parts of a defoaming agent, 1-10 parts of a leveling agent, 3-20 parts of a plasticizer, 0.2-6 parts of an anti-sagging agent and 0.05-2 parts of agel. The gray heat-reflecting cooling coating can reflect 80% or above of near-infrared lights, can be applied to the surfaces of pavements, house buildings and various steel structures, and can reduce the temperature by 10-20 DEG C in summer. When the coating is used for asphalt pavements, the pavement temperature can be greatly reduced, and damages such as ruts and burst caused by high temperature are reduced; and the coating is especially used for urban main roads, the urban heat island effect can be effectively relieved, and the living environment is greatly improved.

The invention relates to the field of air conditioning technologies, in particular to an air conditioning device with a function of producing cold air by the aid of waste heat and salt solution by means of indirect evaporative cooling. The air conditioning device comprises solution dehumidifying units, solution regenerating units and an indirect evaporative cooling device. The solution is cooled and dehumidified by the solution dehumidifying units by the aid of external cooling water; the solution is heated and regenerated by the solution regenerating units by the aid of external industrial hot-water; high concentration of the salt solution of the dehumidifying units is kept by the aid of a solution circulating pipeline between a core of each dehumidifying unit and a core of the corresponding regenerating unit, and fresh air sequentially flows through the solution dehumidifying units and the two-stage indirect evaporative cooling device and is delivered into indoor environments via the dehumidifying and two-stage indirect evaporation. The air conditioning device has the advantages that the current surplus industrial waste heat is utilized, and accordingly the problem of incapability of effectively utilizing industrial waste heat can be solved; the fresh air can be produced and dried in non-dry regions by the aid of solution dehumidifying technologies, and obvious energy conservation effects can be realized.

An asphalt mixture for a color porous pavement upper layer and a preparation method are disclosed. The asphalt mixture comprises following raw materials: decolorized asphalt, aggregate having a size of 3-5 mm, aggregate having a size of 5-10 mm, composite modified mineral powder, particle lignin fibers and iron oxide red. The asphalt mixture is prepared mainly by dispersing the particle lignin fibers in a manner of blending all the small-particle-size aggregate (3-5 mm) and a part of the large-particle-size aggregate (5-10 mm), and mixing the composite modified mineral powder with raw materials. The asphalt mixture has functions integrating water permeability and beauty, and is proved by related performance index tests to have good pavement performance and durability. The asphalt mixture is of great significance to construction of a sponge city water-permeable system, and the construction goal of benign hydrological cycles and ecological energy conservation.

The invention discloses a construction method of an urban road surface cooling and dedusting system. The method involves a pavement, a plurality of inspection wells are arranged on the road surface, the inspection wells are close to a curb of a sidewalk, sealed equipment chambers are arranged on the inner walls of the inspection wells, water pumps and control devices are placed in the equipment chambers, the output ends of the water pumps are connected with a water spraying main pipe through pipelines, and the water spraying main pipe is connected with a plurality of nozzles parallel to the road surface. The water spraying main pipe is laid in the sidewalk and the nozzles parallel to the road surface are installed on the water spraying main pipe, so that cooling water is sprayed out through the nozzles to cool the road surface, the road surface is controlled to absorb heat, accordingly radiation temperature of the road surface to air is lowered, and urban temperature is further lowered. The method has great significance in alleviating the urban heat island effect, and a comfortable environment can be provided for citizens living in a city.

The invention provides a pavement waterproof layer with the effect of reducing an urban heat island effect. The pavement waterproof layer is characterized by being prepared from emulsified asphalt and infrared thermal radiation functional cooling powder mixed into the emulsified asphalt, wherein the weight of the infrared thermal radiation functional cooling powder accounts for 4%-6% of that of the emulsified asphalt. The pavement waterproof layer has the following advantages that composition is simple, the waterproof layer can be located on a pavement structure in any form and has the high emissivity in the wave band ranging from 3 micrometers to 5 micrometers and the wave band ranging from 8 micrometers to 14 micrometers in an atmospheric infrared window under sunlight irradiation, therefore, an obvious pavement cooling effect is achieved, the urban heat island effect can be relieved, and high-temperature damage of an asphalt pavement can be reduced; meanwhile, the pavement waterproof layer is a thin oil-enriched layer rich in asphalt, therefore, surface gathered water can be obstructed on the road surface to be gathered into a drainage system, and then the surface gathered water cannot permeate into the pavement structure.

The invention provides cooling powder having an infrared heat radiation function and used for reducing the temperature of a bituminous pavement. The cooling powder having the infrared heat radiation function is prepared from the following raw materials in parts by weight: 5-10 parts of TiO2, 20-30 parts of ZnO and 60-70 parts of MgO. The cooling powder having the infrared heat radiation function has the following beneficial effects: the cooling powder having the infrared heat radiation function is ZnTiO2 and MgTiO2 mixed crystals prepared by sintering the raw materials including TiO2, ZnO and MgO; and unique substance composition and lattice form ensure that the cooling powder having the infrared heat radiation function has a relatively high infrared emission rate. The cooling powder having the infrared heat radiation function can be used for preparing a pavement waterproof layer with a bituminous pavement structure or an effect for reducing the urban heat island effect.

The invention discloses a thermoelectric power generation bituminous pavement structure and a paving process thereof. The process comprises the following steps of paving a rigid base layer on a subgrade; arranging a bonding layer on the rigid base layer; paving a heat insulation layer on the bonding layer; arranging an epoxy asphalt bonding layer on the heat insulation layer; arranging a heat conduction plate on the epoxy asphalt bonding layer; paving a asphalt mixture surface layer on the heat conduction plate; arranging an energy conversion module on the heat conduction plate; arranging a cooling module on the energy conversion module; and arranging a protection device on the cooling module. According to the structure and the process, the integration of the pavement performance and the power generation function of a pavement is achieved, the service life of the pavement is prolonged, the pavement temperature is effectively reduced, the urban heat island effect is relieved, the pavement high-temperature disease is relieved, a large amount of heat which is not easy to release by the bituminous pavement is utilized, thermal energy is converted into electric energy, the structure issimple, and the paving process is simple and convenient.

The invention discloses a drainage-retaining pavement structure for reducing the urban heat island effect, and a construction method thereof. The drainage-retaining pavement structure sequentially comprises an asphalt stabilized crushed stone base layer (6), a low water seal layer (5), a water-storing crushed stone layer (4), a macroporous water-retaining concrete layer (3), a water-permeable stress absorbing layer (2) and a macroporous water-permeable asphalt concrete layer (1) arranged from the bottom layer to the top layer thereof. A drainage curb structure (7) is arranged on one side of the macroporous water-permeable asphalt concrete layer (1) near the curb, and a drainage filter screen (8) is arranged on the side of the macroporous water-permeable asphalt concrete layer (1) adjacentto the pavement, and drainage pipes (9) are installed below the drainage curb structure (7); And a drainage curb structure (7) with a drainage filter net (8) is installed on the drainage conduit (9) which is pre-buried at the curb band. On the one hand, the invention ensures no accumulated water on the road surface in rainy season and improves driving safety; on the other hand, the collected watercan gradually absorb heat and evaporate, thus lowering the surface temperature of the road and alleviating the heat island effect of the city.

An insulating glazing system may include: at least two glass panes and a spacer element, wherein the at least two glass panes and the spacer element define a closed volume; a light ray shielding device within the closed volume, defining: transparent areas allowing passage of incident light rays with a given angle of incidence, whereas light rays having other angles of incidence are unable to pass through the transparent areas; and non-transparent areas configured to block the passage of the incident light rays, the non-transparent areas defining first and second surfaces; and a support means connected to the spacer element and operably associated with the shielding device. The shielding device may include a layer having retroreflective properties. The layer may at least partially cover one or both of the first and second surfaces of at least one of the areas of the non-transparent areas of the shielding device.

The invention provides a dark green thermal resistance material. The dark green thermal resistance material is prepared from the following components, in parts by weight: 20-30 parts of epoxy resin, 8-12 parts of polyamide curing agent, 36-50 parts of pigment filler, 5.3-6.5 parts of dark green coloring filler, 18-28 parts of diluents and 0.5-0.6 part of film-forming assistant agent, wherein the pigment filler is diatomite and rutile titanium dioxide, and the film-forming assistant agent is a defoaming agent, a leveling agent and a dispersing agent. Epoxy resin is taken as a main body and usedby cooperating with the pigment filler, diatomite and rutile titanium dioxide, the dark green coloring filler is added, and under the effects of the film-forming assistant agent, the diluents and thepolyamide curing agent, the dark green thermal resistance material is obtained. The dark green thermal resistance material is good in thermal resistance effect and convenient to construct, has the effect of beautifying the environment, and is suitable for being applied and popularized in greenways, park pavements, scenic area roads, urban roads, highways and the like.

The invention relates to an outdoor ceramic permeable brick and a preparation method thereof. The ceramic permeable brick is made from the components with the following weight content of 90-95wt percent ceramic wastes which are broken into particles that are larger than 0 and smaller than 200 order and 5-10wt percent of adhesive which is bentonite. The ceramic waste particles include mixed particles which are screened from the broken ceramic waste particles. The mixed particles include particles of 0-8 order, the content of which is larger than zero and smaller than 5 percent; particles of 8-30 order, the content of which is 85-90 percent; particles of 30-100 order, the content of which is 5-15 percent. The preparation method includes: firstly, breaking the ceramic waste materials into the particles of 8-30 order; secondly, adding adhesive and water in proportion in the particle ceramic waste materials to obtain a mixture; thirdly, filling the mixture slurry in a die to press into a water permeable brick shape under the 90-110pa / mm<2> pressure of a press machine; fourthly, firing at the temperature of 1160-1220 DEG C.

The invention provides a chicken red thermal resistance material, which is prepared from the following components in parts by weight: 20-30 parts of epoxy resin, 8-12 parts of polyamide curing agent,36-50 parts of pigment and filler, 5.8-8 parts of chicken red coloring filler, 18-28 parts of diluent and 0.5-0.6 part of coalescing agents, wherein diatomaceous earth and rutile type titanium dioxideare used as the pigment and filler; the coalescing agents comprise a defoaming agent, a flatting agent and a dispersing agent. The chicken red thermal resistance material is prepared by taking the epoxy resin as a main body, cooperatively using the pigment and the filler, i.e., the diatomaceous earth and rutile type titanium dioxide, and adding the chicken red coloring filler; under the actions of the film-forming auxiliary agents, the diluent and the polyamide curing agent, the obtained chicken red thermal resistance material is good in thermal resistance effect and convenient for construction and has a function of beautifying the environment, thus being suitable for being popularized and applied to greenways, park walkways, scenic roads, urban roads, highways, and the like.

The invention discloses a waste heat recovery hot water device. The waste heat recovery hot water device comprises an exhaust pipe heating device, a one-way water valve, a heat preservation hot watertank, a cold water tank, a water pump, an engine exhaust pipe and a spiral water pipe, the exhaust pipe heating device is sleeved with the engine exhaust pipe, the spiral water pipe is arranged on theexhaust pipe heating device, and the exhaust pipe heating device is connected with one end of the cold water tank. According to the waste heat recovery hot water device, the cold water is directly heated through the waste heat of an automobile, the proportion of waste heat elimination is reduced, the urban heat island effect caused by automobile tail gas is effectively relieved, and the waste heat recovery hot water device is widely applicable to automobiles and related industries.

The invention discloses a water penetration pavement structure in a sponge city. The water penetration pavement structure comprises an upper plate, a lower plate and a supporting structure arranged between the upper plate and the lower plate for supporting the upper plate, wherein the upper plate and the lower plate are separated through the supporting structure to form a hydrophobic space; the supporting structure comprises a supporting block and penetration blocks; the upper end of the supporting block abuts against the lower surface of the upper plate; the lower end of the supporting blockabuts against the upper surface of the lower plate; each penetration block comprises water release parts and water penetration parts; installation sites for installing the water release parts are formed at the supporting block; and the water release parts are exposed to the interior of the hydrophobic space. The upper plate is made of a concrete material, and the structure of the whole body can beof greater bearing capacity through the supporting of the supporting structure; and moreover, second openings are formed in the upper plate, gathered water on a pavement can be discharged through thewater penetration parts inside the openings and permeates the hydrophobic space within a certain period of time, groundwater resources are supplemented, and an urban heat island effect is relieved.

The invention belongs to the technical field of heat radiation, in particular to a dynamic heat radiation cooling device based on phase change material vanadium dioxide. The present invention is based on the classic metal-dielectric-metal metasurface structure design, introduces a transition medium layer to effectively improve the adhesion of the vanadium dioxide film of the phase change material, and regulates the entire device and the blackbody radiation rate at room temperature through the selection of the medium layer material. The corresponding peak value effectively solves the technical problem that the cooling effect of the current thermal radiation cooling device is relatively poor. The present invention radiates energy through the mid-infrared 8-14μm atmospheric window when the temperature is high, and reflects sunlight, but hardly radiates energy when the temperature is low, achieving the functions of intelligent temperature control and dynamic refrigeration; it has intelligent dynamic control temperature, simple structure, convenient for large-area preparation, zero energy consumption, and polarization insensitivity; it is of great significance to solve the problem of excessive cooling and alleviate the urban heat island effect, and it also has application potential in infrared camouflage and other fields.

The invention discloses an asphalt mixture for the upper layer of colored permeable pavement and a preparation method thereof. The asphalt mixture involved in the invention includes the following raw materials: decolorized asphalt, 3-5mm aggregate, 5-10mm aggregate, composite modified mineral powder, particles Lignin fiber, iron red; mainly disperse granular lignin fiber by mixing all small particle size aggregates (3-5mm) and some larger particle size aggregates (5-10mm), and use composite modified ore The asphalt mixture is prepared by mixing powder and raw materials; the asphalt mixture has the functions of water permeability and aesthetic integration, and it has been proved by relevant performance index tests that it has good road performance and durability. "It is of great significance to realize the construction goals of benign hydrological cycle and ecological energy saving.

The invention provides a grass green thermal resistance material which is prepared from the following components in parts by weight: 20-30 parts of epoxy resin, 8-12 parts of a polyamide curing agent,36-50 parts of pigment and filler, 5-7.5 parts of grass green colouring filler, 18-28 parts of diluent and 0.5-0.6 part of film-forming additive, wherein the pigment and filler is diatomite and rutile titanium pigment; and the film-forming additive is a defoamer, a flatting agent and a dispersant. By taking the epoxy resin as a main body, using the diatomite and the rutile titanium pigment as thepigment and filler in a matching manner and adding the grass green colouring filler, under the effects of the film-forming additive, the diluent and the polyamide curing agent, the obtained grass green thermal resistance material is good in thermal resistance effect, is convenient in construction, has the effect of beautifying the environment and is suitable for being popularized and applied to greenways, park sidewalks, scenic spot roads, urban roads, highways and the like.