80results about How to "To achieve the purpose of heat preservation" patented technology

The invention discloses new nanometer ceramic high temperature resistant heat preservation paint and the preparing method and use. Its components part by weight are as follows: film forming matter 10-35, filling 50-75, ceramic micro-balloon 8-50, and modified nanometer material 3-12. The produced nanometer ceramic high temperature resistant heat preservation paint can prevent solid heat transfer and radiant heat transfer, thus it can greatly improve heat preservation effect. And its high temperature resistant can reach 1000 degree centigrade.

The invention discloses a vacuum heat insulation plate for building outer walls, the vacuum heat insulation plate comprises a high resistance thin film bag and heat preservation core materials wrapped in the high resistance thin film bag, and the heat preservation core materials comprise basalt fibers. The vacuum heat insulation plate has the advantages of being simple in structure, low in cost, energy-saving and environmental, secure, fireproof, and good in heat preservation property. The invention further discloses a preparation method of the vacuum heat insulation plate. The preparation method of the vacuum heat insulation plate comprises: (1) preparing materials, (2) compression molding, (3) drying, and (4) packaging. The problems of bag swelling, air leakage, core material degradation, and durability of vacuum degree of a traditional vacuum heat insulation plate are solved, meanwhile the defects of using silicon dioxide and other powdery materials and difficult composite filling plating of the silicon dioxide and other powdery materials and fibers are overcome. The preparation method is simple and easy to operate, and saves both time and labor.

The invention relates to a hanging solar energy electric water heater that includes cold water intake, hot water outlet, discharge outlet, tank body and electric water heater. The feature is that it also includes vacuum tube heat collector and heat exchanger. The wall of tank body is set hot air heat exchange interlayer. A water level indicator is connected at the outlet of hot medium. The heat collector is made up of solar energy collecting pipe. The heat guide pipe is made up of two layer coaxial pipes and the interlayer is vacuum layer. The invention makes full of solar energy, hot air, and electric. Electric heating is the assistant method. It is easy to use and is energy conservation.

The invention provides a solar water heater water tank with an automatic balance heat insulation valve. The automatic balance heat insulation valve is arranged in a ventilation port of the water tank, the valve body is flaky or consists of a fixed piece and a moving piece between which a movement gap is formed; or the valve body consists of the moving piece and a connector for the moving piece and the inner wall of the ventilation port, and the movement gap is formed between the moving piece and the inner wall of the ventilation port. The heat insulation valve of the invention has an excellent function of automatic balance and the degree of opening/closing of the moving piece of the heat insulation valve is controlled by pressure difference; and self-regulation on flow section area of theventilation port can be realized. The operation of the water tank for water feeding and discharging is smooth, and when no pressure difference presents in the water tank, the heat insulation valve isunder an original static state and the pressure inside and outside the water tank is balanced only by micro gap, thus the formation of convection mass can be effectively prevented, the convectional heat exchange loss at the ventilation port is reduced significantly, and the heat insulation effect of the water tank is improved; the valve is simple in structure and low in manufacturing difficulty, and has low material consumption and strong practicability.

The invention relates to an out-of-season straw mushroom cultivation method. The method specifically includes when straw mushrooms are cultivated in autumn and winter, additionally arranging a small shed on a mushroom cultivation bed frame to achieve the objective of heat insulation, and additionally arranging an electric heating wire in a culture material to achieve the objective of temperature increase. By implementing the method, the defect that existing out-of-season cultivation methods are high in infrastructure input, complex and tedious in process, large in difficulty in management, high in cost and the like is overcome, and a novel out-of-season straw mushroom cultivation way which is more investment saving and higher in efficiency is provided. By implementing the method, temperature most suitable for growing of the straw mushrooms can be acquired by adjusting, so that mycelia are quick in germinating, good in growing, quick and dense in squaring, high in fruiting yield, high in quality, low in defective rate and sufficient in late-stage growing. In addition, by out-of-season cultivation of the straw mushrooms in autumn and winter, requirements of people on the straw mushrooms can be met, and the characteristic of low air temperature in autumn and winter can be utilized, so that microbial contamination is reduced, opening of the straw mushrooms after being picked is delayed, and transportation and freshness preservation are facilitated.

The invention relates to a salivary flow ice prevention and management structure in a cold zone. The structure is characterized in that heat-insulation plates are laid below an earth filling layer of a slope crest and on a slope surface and the upper middle portion of a drainage ditch, the corresponding heat-insulation plate is connected with the slope surface by anchor rods, a buffering layer is formed in the middle of the drainage ditch by geotextile and fine sand, a surface permeable layer is formed on the top of the drainage ditch by hexagonal hollow bricks and crushed stone, soil with grass seeds is placed in the hexagonal hollow bricks of the slope surface, and an ecological side slope is formed. The heat-insulation plates are laid below the earth filling layer of the slope crest and on the slope surface and the upper middle portion of the drainage ditch, shallow water in an upslope direction flows down along the inner side of the heat-insulation plate of the slope surface, is gathered in the drainage ditch and is drained by the drainage ditch. Surface water is drained via the surface permeable layer. Accordingly, the salivary flow ice prevention and management structure guarantees that an underground drainage line cannot be completely frozen in winters, and salivary flow ice is prevented.

The invention relates to a high-temperature preheating device used for 3D printing equipment. The high-temperature preheating device is used for laser additive manufacturing equipment (which is mentioned before as additive manufacturing, and should be consistent). A system comprises a vertical heating device, a working cavity heat insulation and preservation device, and a working bench air flow circulating device. A vertical heating system can adopt a single-layer heating pipe according to needs and can also adopt a double-layer heating pipe. The distance between heating layers and the distance between the heating layers and the working bench can be adjusted freely according to needs. The working cavity heat insulation and preservation device effectively plays a role of heat insulation and preservation, avoids damage of other working parts of the additive manufacturing equipment caused by overhigh heating temperature, centralizes heat in a heat insulation and preservation cavity and heats the working bench. The working bench air flow circulating device allows the surface air on the working bench to form circulation and drives the surface air on the working bench to flow, thus allowing the temperature distribution of the working bench to be uniform, and ensuring excellent formation quality of components.

The invention discloses a continuous closed after-ripening fermentation production technology of a Pixian thick broad-bean sauce. The production technology is characterized by comprising the followingsteps of step 1, adding fermented mature hot pepper semi-finished products and fermented broad beans in the mass ratio of the fermented mature hot pepper semi-finished products to the fermented broadbeans being 7 to (2-3) to a fermenter I; step 2, raising the temperature of the fermenter I to 24-30 DEG C, performing heat preservation fermentation for 12-24h, and adding table salt to a reactor; step 3, transporting 1/2-2/3 of the total mass of a thick broad-bean sauce in the fermenter I to a fermenter II, and performing 8-14-period fermentation in the fermenter II; step 4, transporting 1/2-2/3 of the total mass of a thick broad-bean sauce in the fermenter II to a fermenter III, and performing 8-10-period fermentation in the fermenter III; and step 5, transporting 1/2-2/3 of the total massof a thick broad-bean sauce in the fermenter III to a fermenter IV, and performing 8-10-period fermentation in the fermenter IV. Through the adoption of the technology provided by the invention, products of which the flavor and the mouth feel meet requirements of the Pixian thick broad-bean sauce can be produced, and besides, the fermentation time is shortened.

The invention discloses a thermal-insulating sponge production process, which is characterized by sequentially comprising the following steps of: I, preparing raw materials, including polyester, ceramic powder, a binding agent and a blowing promoter; II, washing a foaming cylinder by using a cleaning agent, then washing twice with pure water, and drying; III, mixing the polyester, the ceramic powder, the binding agent and the blowing promoter in a ratio of 6 to 1 to 1 to 2; stirring a mixture for 30-50 minutes by using a stirring machine; adding the foaming cylinder by dividing the mixture for three times; paving a plastic thin film layer when the mixture is added to a position of 1/3 of the foaming cylinder for a first time; paving another plastic thin film layer when the mixture is added to a position of 2/3 of the foaming cylinder for a second time; and filling the foaming cylinder for a third time, and sealing in a vacuum manner; and IV, foaming the mixture in the foaming cylinder for 10-12 hours at a foaming temperature of 30-40 DEG C. The thermal-insulating sponge production process provided by the invention has the advantages of simplicity and convenience in operation, high stability and convenience in popularization.

A heat preservation and aeration sewage treatment dam comprises four or more fixing columns, a treatment dam frame, an upstream baffle, a downstream baffle, a pedestrian floating board, a floating bed body, a plastic thin film, a straw roller shutter, an upstream arresting barrier, a downstream arresting barrel, a suspension packing string, an aeration system and a photovoltaic wind power generating system. The fixing columns are vertically erected in water and made of wood piles or bamboo rods or hard plastic or reinforcing steel bars. The treatment dam frame is fixed to the fixing columns and made of wood or formed by welding stainless steel material. The lower half portion of the treatment dam frame is of a cuboid structure. The upper half portion of the treatment dam frame is of an arch-shaped structure. The upstream baffle is arranged on one side of the upstream of a river. The downstream baffle is arranged on one side of the downstream of the river. The water surface surrounded by the upstream baffle and the downstream baffle is covered with the floating bed body. The aeration system comprises an aeration pump, a gas inlet pipe, a gas distributing pipe and an aeration head. The floating bed body is made of wood, bamboo rods, nylon ropes and steel wires.

The invention discloses a leakage-proof heat preservation take-out packing box, and relates to the technical field of packaging boxes. The leakage-proof heat preservation take-out packing box comprises a first box cover, heat preservation plates are fixed to the inner surface of the first box cover, a second box cover is fixed to the inner surface of the first box cover, a plurality of baffles arefixed to one surface of the second box cover, a groove is formed in one surface of the first box cover, a fixing rod is fixed to the surface of the first groove, a pull ring is fixed to the peripheral side face of the fixing rod, a plurality of heat preservation plates are fixed to the inner surface of a first box body, and a second box body is fixed to one surface of the first box body. According to the leakage-proof heat preservation take-out packing box, the heat preservation plates are fixed between the first box cover and the second box cover, the multiple baffles are fixed to one surface of the second box cover and are clamped to the inner wall of the second box body, and the first box cover and the second box cover can be pulled to be opened through the pull ring. The problems thatan existing take-out box cannot achieve heat preservation, the leakproofness is not good, and opening is not easy are solved.

The invention relates to the technical field of production of ceramic tiles of building materials, and particularly relates to a preparation method of a thermal insulation easy-to-cut ceramic tile. Arecycled foam sheet particle is added in the ceramic tile, and EPS in the foam sheet particle produces a foaming effect in the sintering process of the ceramic tile. Sodium lignosulphonate extracted from a corncob reduces the surface energy of the ceramic tile, the stain is prevented from invading into a micropore to cause blockage, and the purpose of thermal insulation is fulfilled. The main rawmaterial is red mud, aluminum oxide exists in the red mud in the form of a crystal fiber, the crystal fiber is longitudinally oriented in the ceramic tile after being compressed and sintered, the direction of cutting stress and the orientation direction of the crystal fiber are the same when the crystal fiber is cut by a cutting machine, the breakage of the crystal fiber is avoided in the cutting,the expansiveness of the foam sheet particle is good, the wear degree of a cutting tool is also reduced in the cutting, and the purpose that the ceramic tile is easy to cut is fulfilled.

The invention discloses a winter-heating vacuum greenhouse without supports, stand columns and quilts. The greenhouse comprises a greenhouse body and a warming greenhouse disposed in the inner side of the greenhouse body, wherein a plurality of inflating cylinders are arranged on the greenhouse body; inflating holes are formed on each inflating cylinder; an extending direction of each inflating cylinder is a spanning direction of the greenhouse; pumping holes are formed on the warming greenhouse; the two sides of the warming greenhouse are tightly pressed; the edges are connected with edges of the greenhouse body; then the warming greenhouse is pumped to form a vacuum layer; with the inflating cylinders mounted on the greenhouse body, the greenhouse interior can be separated from the external, so heat conduction can be slowed; air are pumped via the pumping holes, so air between the warming greenhouse and the greenhouse body is thinned and become vacuum; the warming greenhouse is absorbed, so the vacuum layer is formed between the greenhouse body and the warming greenhouse; the vacuum layer further isolates heat conduction and heat radiation, so the greenhouse can be further warmed; and arrangements of supporting skeletons, stand columns and quilts, the greenhouse can be warmed.

The invention discloses a magnetofluid external wall structure composed of a plurality of wall modules which can be spliced. The wall modules are of a cube structure, and the top of each wall module is connected with an upper conduction pipeline through an upper fluid inlet and outlet; the bottom of each wall module is connected with a lower conduction pipeline through a lower fluid inlet and outlet, and rotatable rods are vertically connected with the top and bottom of each wall mould; and magnet assemblies are arranged on the rotatable rods. According to the magnetofluid external wall structure, the wall structure can reflect solar rays in summer greatly, and the wall is prevented from absorbing excessive heat; meanwhile, solar afterheat absorbed by the magnetofluid external wall structure can be converted into required energy for the interior of a building; and in summer, through replacement of functional materials dispersed in magnetofluid in the energy-saving wall, the solar heatis absorbed efficiently, and supplemented for the wall. Indoor heat loss is avoided, so that the purpose of keeping the interior of a room warm in summer is achieved.

The invention relates to a building filler and a building structure. The building filler is made by recycling industrial waste. The building structure is located at the site and comprises at least a protection unit and a heat preservation component, and each protection unit has a pipe body and a base layer. The base layer is disposed in the tube body, the protection component is disposed outside the protection unit and located on the site, the heat preservation component comprises a pollution prevention unit and a building filling unit, and the pollution prevention unit is disposed outside thesite Covering the protection unit, the building filling unit is disposed between the pollution prevention unit and the protection unit, and includes a building filler made by recycling industrial waste, and the building filler and the building structure are industrially discarded. The material is reused and blocked by the pollution prevention unit in the building structure to prevent contamination of soil, groundwater and plants, and the insulation component can provide insulation, safety and sound insulation.

The invention relates to a centralized water supply and intelligent hot water discharge device and a control method thereof in the technical field of hot water supply equipment. The device comprises awater storage tank arranged in a higher place; a main water pump and a water outlet electromagnetic valve are arranged on a water outlet pipeline; a water return electromagnetic valve is arranged ona water return pipeline; the water outlet pipeline is connected with a water outlet branch pipe; a micro water pump, a water outlet water flow sensor and a one-way valve are arranged on the water outlet branch pipe; an inlet end of the one-way valve is connected with the water storage tank; a water return branch pipe is arranged on the water return pipeline; a water return water flow sensor and awater return branch pipe electromagnetic valve are arranged on a pipeline of the water return branch pipe; the two ends of the water return branch pipe are bridged and connected to the two ends of thewater return electromagnetic valve; and the effective through-flow cross sectional area of the water outlet branch pipe is 5-20% of the effective through-flow cross sectional area of the water outletpipeline. The device can insulate the pipes under the condition of low energy consumption, and can quickly switch an insulation state and a water use state.

The invention discloses an intelligent blade lead screw spring supporting leg type vacuum sampler. The intelligent blade lead screw spring supporting leg type vacuum sampler comprises blades (5), a blade shaft (6), a battery (10), a one-way valve (12), an air storing tank bin (13), an air storing tank (14), a plug (16), an upper valve body (17), a spring sheet (18), a stroke recorder (21), blade groove bodies (25), a blade motor (28), a control panel (29), a threaded moving frame (30), a lead screw (31), a supporting motor (33), etc., wherein the blade motor (28) is rotated to drive the blades(5) to rotate so as to control the airing area, and the sampler is accordingly controlled to lift; the rotating movement of the supporting motor (33) is converted into linear movement through screw threads, and the spring sheet (18) is compressed and released to stabilize the sampler at a target layer; and the stroke recorder (21) is used for determining the location of the target layer of the sampler. The sampler has the advantages of being simple in structure, low in cost, and novel in ideal.