57results about How to "Efficient waterproof" patented technology

The invention relates to modified PET (Polyethylene terephthalate) polyester as well as a preparation method and application thereof, and belongs to the field of modified polyester. The modified PET polyester comprises aerogel particles and polyethylene terephthalate; the aerogel particles are dispersed between the molecular chains of the polyethylene terephthalate uniformly; the particle size of the aerogel particles is 2 to 3 microns; the content of the aerogel particles in the modified PET polyester is 1 to 10 percent by weight. Modified PET is prepared by the steps of adding the aerogel powder into glycol, putting into a grinding machine, grinding to prepare mixed slurry, mixing the mixed slurry and terephthalic acid, and performing esterification reaction and polymerization reaction. Modified PET fiber is prepared by slicing the modified PET, metering, spinning, cooling, applying oil, stretching, performing heat setting and performing winding formation. The aerogel particles are introduced before polymerization of the PET polyester, so the prepared PET has high spinnability, can produce modified PET fibers with various thickness, has wide application range and can meet the production requirement of various fabrics.

The invention relates to the technical field of lithium batteries and discloses a lithium battery for an electric forklift with the good heat dissipation effect. The lithium battery comprises a battery shell box. An air inlet is formed in the front surface of the battery shell box. A protective net is fixedly mounted on the inner wall of the air inlet. A fan is fixedly installed on the inner wallof the air inlet and located on the back face of the protective net. Heat dissipation holes penetrating through and extending into the battery shell box are formed in the left side and the right sideof the outer wall of the battery shell box. Installation holes penetrating through and extending into the battery shell box are formed in the top of the battery shell box. The lithium battery for theelectric forklift is good in heat dissipation effect. Through turning on the fan, the fan sucks external cold air into the battery shell box through the air inlet. Therefore, the heat on cooling finsis dispersed again. One part of the cold air brings the heat out of the battery shell box through the heat dissipation holes, so that the effect of efficient heat dissipation is achieved. As a result,the heat dissipation effect of the lithium battery is improved.

The invention discloses a concrete inorganic environmental waterproof expanding agent and its preparation method. The concrete inorganic environmental waterproof expanding agent comprises the following ingredients: 15-25wt% of cement, 0.1-0.5 wt% of aluminum sulfate, 3.5-6.5wt% of potassium aluminum sulfate, 1.0-2.5wt% of ferrous sulphate, 0.1-0.3wt% of sodium chloride, 0.1-0.3wt% of urea, 0.1-0.3wt% of sodium sulfate, 35-45wt% of gypsum and 25-35 wt% of coal ash. The preparation method comprises the steps of taking raw materials, making the raw materials into powder, mixing the powder, stirring uniformly and the like. The expanding agent disclosed in the invention has the functions of efficient waterproofing, damp-proofing, expansion, crack resistance, permeability resistance and the like, without corrosion effects on steel bars, with low cost, and is suitable for waterproofing of various concretes.

The invention provides a high-strength cement and a production method thereof. Raw materials of the high-strength cement comprise 10-20 parts of Portland cement, 10-30 parts of carbide slurry, 10-20 parts of lime mud, 20-25 parts of mine mud, 25-35 parts of red mud, 5-11 parts of diatomaceous earth, 5-25 parts of fly ash, 1-3 parts of pyrite slag powder, 1-5 parts of polypropylene fibers, 2-6 parts of a naphthalene series water reducer, 11-14 parts of desulfurized gypsum, 5-7 parts of dicyandiamide residues, 4-5 parts of metal magnesium reduction powder, 10-20 parts of quartz sands, 15-30 parts of quicklime, 12-30 parts of a stone breaker, 2-6 parts an inhibitor and 5-15 parts of a water reducer. The cement has the high-efficiency waterproofing, moisture proofing, expanding, crack preventing and permeation preventing functions, and is worth promoting and applying.

The invention relates to the technical field of outdoor tents, and discloses an inflatable outdoor tent with a heat insulation function convenient to fix and unfold. The inflatable outdoor tent with the heat insulation function convenient to fix and unfold comprises an outdoor tent body, an air inflation channel is fixedly installed on the right side of the outdoor tent body, ventilation windows are movably connected to the left side and the right side of the outdoor tent body through zippers, stabilizing rods are movably connected to the left side and the right side of the opposite sides of two connecting bases, and front faces and back faces of the left side and the right side of the outdoor tent body are each fixedly connected with a first bearing pedestal. According to the inflatable outdoor tent with the heat insulation function convenient to fix and unfold, the outdoor tent body is unfolded, the stress area during fixing is increased, a user can conveniently fix the outdoor tentbody, the fixing is stable, the outdoor tent body is prevented from being unfolded and scraped away by strong wind, the efficiency during fixing is improved, manpower and material resources are saved,the inflatable outdoor tent is convenient to use, and the inflatable outdoor tent is suitable for various situations.

The invention relates to outer wall composite nano paint. The outer wall composite nano paint consists of the following raw materials: nano composite material II, plasticizing agent, pure water, dispersant, antifreeze, defoaming agent, nano titanium dioxide, flatting agent, styrene-acrylic emulsion, fine particle calcium carbonate and coarse whiting, thickening agent and film forming additive, wherein based on the total weight of inner wall nano paint, the outer wall composite nano paint comprises 7.2 percent of the nano composite material II, 2.8 percent of the intensifier, 0.3 percent of the dispersant, 2.6 percent of the antifreeze, 0.3 percent of the defoaming agent, 26 percent of the nano titanium dioxide, 0.6 percent of the flatting agent, 33 percent of the styrene-acrylic emulsion, 8 percent of the fine particle calcium carbonate and coarse whiting, 1 percent of the thickening agent, 2.2 percent of the film forming additive, and the balance being pure water. The outer wall composite nano paint integrates the functions of heat insulation, fire retardation, heat preservation, environment protection, high elasticity and impact resistance.

The invention relates to inner wall composite nano paint. The paint consists of the following raw materials: nano composite material I, nano antibacterial powder, plasticizing agent, pure water, dispersant, antifreeze, defoaming agent, nano titanium dioxide, flatting agent, styrene-acrylic emulsion, filling, thickening agent and film forming additive, wherein based on the gross weight of the inner wall nano paint, the paint comprises 6.8 percent of the nano composite powder, 0.3 percent of the nano antibacterial powder, 2.8 percent of the intensifier, 0.3 percent of the dispersant, 2.5 percent of the antifreeze, 0.28 percent of the defoaming agent, 27 percent of the nano titanium dioxide, 0.5 percent of the flatting agent, 32 percent of the styrene-acrylic emulsion, 7 percent of the filling, 1 percent of the thickening agent, 2.2 percent of the film forming additive, and the balance being pure water; and the filling is fine particle calcium carbonate or coarse whiting. The inner wall antibacterial nano paint integrates the functions of heat insulation, fire retardation, heat preservation, environment protection, high elasticity and impact resistance.

The invention discloses an outdoor waterproof and dustproof miniature wireless repeater which comprises a repeater box body, the bottom of the repeater box body is fixedly provided with a mounting seat, the middle of the mounting seat is provided with a heat dissipating port which communicates with the inside of the repeater box body, an inner wall of the heat dissipating port is equipped with a heat dissipating fan, rectangular slots are distributed in vertical directions of two sides of the repeater box body, and heat dissipating plates are fixedly connected in horizontal directions of outerports of the rectangular slots. According to the outdoor waterproof and dustproof miniature wireless repeater, by installing the heat dissipating fan at the bottom of the repeater box body, the outerside of the heat dissipating fan with a clamped dustproof cover is blocked by the mounting seat and dust blocking plates, the dust prevention is efficient, a repeater box cover is closely connected to the repeater box body by the cooperation of the rectangular clamping blocks at the outer sides of a sealing port and a sealing groove at the inner side of the repeater box cover, rainwater is avoided from entering into the box body, the outer side of a connection port of the repeater box cover and the sealing port is blocked by a dustproof plate, and the use effect is good.

The invention discloses a preparation method of a plate for a building. The plate for the building is doped with composite minerals. The preparation method of the plate for the building is characterized by comprising the following steps: weighing raw materials, namely cement, the prepared cement composite mineral additive, sand, polypropylene fibers and a naphthalene water reducer, in ratio; and putting the raw materials into a conical double helix stirring machine in the ratio, and uniformly stirring for 50 minutes. The composite-mineral-doped plate for the building has efficient waterproof, dampproof, expansion, crack-proof and impervious functions and also has no rusting effect on reinforcing steel.

The invention discloses a special waterproof agent for buildings. The special waterproof agent is prepared from, by weight, 30-40 parts of n-octyl triethoxy silane, 15-25 parts of acrylic ester, 8-13parts of calcium stearate, 4-9 parts of chopped glass fibers, 7-13 parts of sodium dodecyl benzene sulfonate, 6-11 parts of sodium lignosulfonate, 5-12 parts of silicon dioxide colloidal solution, 3-6parts of aluminum sulfate, 8-14 parts of modified fly ash, 5-9 parts of lotus leaves, 1-2 parts of a bactericide, 2-3 parts of an antifoaming agent and 15-25 parts of water. By compounding of raw materials including n-octyl triethoxy silane, acrylic ester, calcium stearate, silicon dioxide colloidal solution, the lotus leaves and the like, the prepared special waterproof agent for buildings has advantages of great waterproof effects, high viscosity and high adhesiveness.

The invention discloses a waterproof and ultraviolet-proof camping tent, which is made from tent fabric that is produced from a waterproof layer, an ultraviolet-proof layer and a fiber cloth layer; wherein the ultraviolet-proof layer coats one surface of the fiber cloth layer while the waterproof layer coats the other one surface of same and the surface of the ultraviolet-proof layer. Compared with the prior art, the tent prepared from the material has high-effective waterproof function, can prevent permeation of water and can inhibit ultraviolet ray; a light-proof material is composed to prevent the ultraviolet ray, so that comfort of the tent is increased. The camping tent has the value of promotion and application.

The invention discloses an industrial explosion-proof camera and a work method thereof. The industrial explosion-proof camera is formed by explosion-proof glass, an explosion-proof housing, explosion-proof lines, a tail-end stopper, a support frame and an end stopper. One end of the support frame is provided with the tail-end stopper, and the other end thereof is provided with the end stopper; the explosion-proof housing is arranged on the support frame; the explosion-proof housing is hinged with the support frame; one end of the explosion-proof housing is provided with the explosion-proof glass, and the other end thereof is provided with the explosion-proof lines; and the explosion-proof glass is in threaded connection with the explosion-proof housing. The industrial explosion-proof camera is compact in structure and small in space requirement; an internal integrated module controller adopts advanced 3D digital noise reduction technology and increases noise reduction processing for an original signal, thereby greatly improving imaging effect; the device is wide in monitoring range, has a multi-angle and multi-azimuth monitoring function and provides mobile phone monitoring and computer remote monitoring; and the operation performance of the device is improved.

The invention discloses a method for preparing mortar. The method is characterized by comprising the following steps: weighing raw materials including 282 g of cement, 18 g of a cement composite additive, 750 g of sand, 4 g of polypropylene fiber and 3 g of a naphthalene water reducer; according to the ratio, putting the above raw materials into a conical double-helix stirrer for uniformly stirring for 50 minutes to obtain the mortar. The mortar has the functions of efficiently preventing water and damp, preventing swelling, resisting cracking and permeating and the like and does not has a corrosive effect on steel bars.

The invention discloses anti-corrosion and waterproof emulsified asphalt which is prepared from the following raw materials in parts by weight: 550 parts of matrix asphalt, 1-30 parts of an emulsifier, 2-50 parts of a modifier, 5-100 parts of a single-component waterborne epoxy emulsion, 0.1-5 parts of a stabilizer and a proper amount of distilled water. The invention provides high-performance emulsified asphalt. A high-performance water-based single-component epoxy emulsion and an imidazole asphalt emulsifier are adopted as raw materials and are matched with auxiliaries (such as a defoaming agent, a thickening agent, a dispersing agent, a stabilizer and the like) to obtain a water-based epoxy asphalt mortar product with efficient corrosion resistance and excellent waterproof and anti-seepage performance. The emulsified asphalt can be widely applied to water prevention and corrosion prevention of sewage pools and pipelines, can replace toxic and harmful products such as epoxy coal pitch and the like, is also widely applied to building waterproof engineering such as water prevention of toilets, roofs and basements, and is matched with hot-melt or self-adhesive asphalt coiled materials to be applied to coating and coiling composite waterproof engineering.

The invention belongs to the technical field of underground construction, and particularly relates to an assembly type waterproof double-layer circle-type non-node underground comprehensive pipe gallery. The assembly type waterproof double-layer circle-type non-node underground comprehensive pipe gallery comprises an arc-shaped pipe gallery wall I, an arc-shaped pipe gallery wall II, an end portion pipe gallery wall, an arc-shaped concrete shell, pipe gallery body connecting ribs, a gallery wall groove, a shell connecting rib, a waterproof rubber cushion layer, a U-type bolt, a high-strength bolt, a reserved bolt hole and a U-type bolt hole. The arc-shaped pipe gallery wall I and the arc-shaped pipe gallery wall II are symmetrically arranged on the upper and lower sides and left and rightsides of the comprehensive pipe gallery correspondingly to form an inner layer pipe gallery wall body which is round. The pipe gallery body connecting ribs on the arc-shaped pipe gallery wall I correspond to the pipe gallery body connecting ribs on the arc-shaped pipe gallery wall II, wherein the pipe gallery body connecting ribs on the arc-shaped pipe gallery wall I are arranged outwards, and thepipe gallery body connecting ribs on the arc-shaped pipe gallery wall II are arranged inwards. The assembly type waterproof double-layer circle-type non-node underground comprehensive pipe gallery has the advantages that waterproof measures are novel and comprehensive, the structure is simple, transportation is convenient to perform, a pipe gallery body is firm, the construction is simple, and the assembly type waterproof double-layer circle-type non-node underground comprehensive pipe gallery is suitable for assembly type development.

The invention discloses a concealed rainwater collection system arranged below a ground prefabricated cover plate. The system comprises a collection device arranged below the prefabricated cover plate and a drainage device connected with the collection device, wherein a trough which is provided with an opening towards the direction of the prefabricated cover plate is formed in the collection device; and the drainage device is respectively connected with the trough of the collection device and an urban underground rainwater discharging pipeline. The invention has the advantages that: the concealed rainwater collection system arranged below the ground prefabricated cover plate does not influence the ground function, is concealed, waterproof and high-efficiency, and the like. The concealed rainwater collection system has flexible extensibility and is suitable for an underground structure which has high requirement on surface water and rainwater prevention and of which the top plate is needed to be provided with a manhole.

An improved composite cement, which is made of the following raw materials in parts by weight: 30-45 parts of ordinary portland cement, 4-8 parts of hydrogen peroxide, 1-1.5 parts of polypropylene fiber, 0.6-0.9 parts of hydrochloric acid, wheat bran 5‑8 parts, cetyl ethoxy sultaine 3‑7 parts, sepiolite 2‑4 parts, river sand 12‑16 parts, styrene-butadiene rubber emulsion 2‑6 parts, tourmaline powder 7‑ 15 parts, 4-6 parts of fly ash, 2-4 parts of glass fiber powder, 1.5-3.2 parts of fluid loss reducer, 0.2-0.4 parts of silane coupling agent, 0.6-2.2 parts of defoamer, 10-16 parts of silicon powder , 8-13 parts of iron oxide, 1-3 parts of diatomaceous earth. The beneficial effects of the invention are: the improved composite cement of the invention has the functions of high-efficiency waterproof, corrosion resistance, crack resistance, etc., increases the strength of the cement, has high bonding strength, long service life and high reliability.

The invention discloses a safety water inlet system and a method for a water inlet pipe and a dish washing machine with a protective structure, wherein the water inlet pipe with the protective structure comprises a first layer of hose, a second layer of hose and an electromagnetic valve, the first layer of hose comprises a water inlet and a water outlet, the water inlet is connected with a tap water interface, and the water outlet is connected with a water inlet of the dish washing machine, the electromagnetic valve sleeves on the water inlet, the second layer of hose sleeves on the first layer of hose, the edges of ports at two ends of the second layer of hose radially extend inwards and are in sealing contact with the first layer of hose, and the second layer of hose is provided with anoverflow diversion port. According to the safety water inlet system and the method for the water inlet pipe and the dish washing machine with the protective structure, the second layer of hose is usedfor secondary protection when the first layer of hose is damaged, and the overflow water is guided out by the overflow diversion port arranged on the second layer of hose, so that the harm caused bythe leakage of tap water caused by the breakage of the water inlet pipe is effectively avoided in the water inlet process of the dish washing machine, the structure is simple and no excessive cost isneeded.

The invention provides composite cover plate glass. The composite cover plate glass comprises cover plate glass and a waterproof layer compounded on the outer side of the cover plate glass, the waterproof layer comprises a waterproof base material layer and a lotus leaf vein-shaped texture layer formed on the surface of the waterproof base material layer; and the waterproof layer is selected from one or more of MgF2, LiF, thorium fluoride (ThF4), Na3AlF6 (cryolite) and ZrF4. According to the invention, a specific kind of waterproof material is prepared into the texture layer with the lotus leaf vein-shaped structure, so that high-efficiency waterproofing can be realized, the stability of the module battery is improved, and the service life is prolonged.

The invention discloses a cooking stove with a waterproof function. The cooking stove comprises a stove body, a combustion cavity, an air supply device, an adjustable pot bottom bearing device, a waterproof collecting tank, a combustion waste collecting device and a sealed waterproof sliding material taking device. The invention belongs to the technical field of cooking stoves, and particularly relates to the cooking stove with the waterproof function. A mode of combining waterproof collection and sealed waterproof material taking is adopted to realize the technical effect of high-efficiency water prevention of the cooking stove, and a mode of diameter-adjustable pot bottom bearing is adopted to realize the technical effect of perfect matching of pots with pot bottoms of different diameters. By means of an external air supply mode, the technical effect that fuel in the combustion cavity is fully combusted is achieved, and the problems that an existing cooking stove in the market is poor in effect, complex in structure and not convenient to maintain are effectively solved.

The invention discloses a preparation method of a cement composite additive. Raw materials of the cement composite additive include alumina clinker, calcinated alunite, zinc sulfate, dickite, attapulgite clay, coal ash, zeolite powder, kieselguhr, bentonite, methyl celluloses, sodium sulfite, quick lime and calcium fluoride. The cement composite additive has the functions of efficient waterproofness, dampproofness, swelling prevention, cracking resistance, seepage prevention and the like, and does not corrode steel bars.