36results about How to "Eliminate the risk of fire" patented technology

The invention provides waterborne single-component thermoplastic plastic paint and a production method and construction method thereof. The plastic paint is suitable for the coating of plastic cabinet prepared from ABS (Acrylonitrile Butadiene Styrene), PS (poly styrene), HIPS (High Impact Polystyrene), PC (polycarbonate), PMMA (polymethyl methacrylate) and the like, has good adaptability to the surface of the material and also has good adhesive force, thus the adhesive force problem of the waterborne paint on the plastic substrate can be solved. A waterborne system is adopted for the paint mainly adopts, the production and using processes are safe; and water is used as diluent, and the paint has the advantages of low toxicity, low pollution, extremely low volatile organic compound (VOC) emission and the like and meets various laws and regulations on environmental protection. Meanwhile, the paint can use different color pastes for coloring; and the paint has better decorative propertyon the substrate while the properties can not be affected. Compared with the common solvent thermoplastic acrylic paint, the paint only uses a small amount of low-toxicity alcohol ether type organic solvent, thus the influence on the plastic substrate is extremely small; and the paint film has bright colour, full appearance effect and good performances.

The invention relates to the technical field of fire alarming, in particular to an independent fire-alarming fire-extinguishing end device. The end device comprises a fire extinguishing device and a cooling device which are arranged on the same mounting structure; jetting devices are connected to the fire extinguishing device and the cooling device respectively; the fire extinguishing device is internally filled with fire extinguishing agents used for extinguishing open fire on the surface of an object; refrigerants used for lowering the temperature of the object are stored in the cooling device; and the fire extinguishing agents and the refrigerants extinguish the fire and cool the fireproof object through the jetting devices respectively. According to the end device, the open fire on the surface of the fireproof object is timely extinguished through the fire extinguishing device, and the cooling device is adopted to cool the fireproof object so that the problem that in the prior art, fire extinguishing and cooling cannot be achieved at the same time can be solved, the temperature of the fireproof object can be effectively lowered while the open fire on the surface of the fireproof object is extinguished, the risk of secondary reignition or explosion further caused by the heat of the fireproof object can be avoided, the fire on the fireproof object can be effectively extinguished, and therefore the safety of personnel and property can be guaranteed to the maximum extent.

The invention relates to the technical field of chemical paint, in particular to a waterborne plastic paint and a preparing method and use method thereof. The waterborne plastic paint comprises, by weight, 40-80 parts of a modified acrylic resin emulsion, 4-8 parts of a water-soluble dispersant, 1-3 parts of a waterborne thickening agent, 0.6-1.0 part of a waterborne defoaming agent, 0.3-0.7 partof a waterborne flatting agent, 0.3-0.7 part of a waterborne wetting agent, 0.2-0.4 part of a waterborne antirust agent, 0.4-0.8 part of a multifunctional additive, 1-5 parts of other additives, 10-30parts of pigment powder and 40-80 parts of deionized water. The waterborne plastic paint solves the problems that waterborne paint has insufficient adhesive force on a plastic substrate and thermal-cured finish paint matched with waterborne paint has too many shrinkage holes; the waterborne plastic paint is high in adhesive force and extremely good in leveling property, and a paint film is outstanding in water resistance, high temperature resistance, temperature impact resistance and other performance.

The invention relates to a waterborne epoxy self-leveling anti-scratch floor paint and a preparation process thereof. The waterborne epoxy self-leveling anti-scratch floor paint is characterized by being prepared from a component A and a component B, wherein the component A comprises, by mass, 80 parts of waterborne epoxy resin and 20 parts of an active diluent; and the component B comprises, by mass, 20-25 parts of a waterborne epoxy curing agent, 22-33 parts of deionized water, 0.2-0.6 part of a wetting and dispersing agent RS610, 0.3-0.5 part of a defoaming agent DF681F, 0.5-1 part of an anti-scratch aid, 0.2-0.4 part of an alkali swelling thickener A401, 4-6 parts of titanium dioxide, 2-3 parts of phthalocyanine blue BGS, 1-1.5 parts of strontium chrome yellow 801, 10-15 parts of lightcalcium carbonate, 20-25 parts of precipitated barium sulfate, 2-3 parts of an anti-scratch agent and 10-15 parts of ultrafine talcum powder. The paint provided by the invention utilizes water as a dispersion medium, does not contain volatile organic solvents such as toluene and xylene, saves a lot of resources, eliminates the possibility of fire hazards during construction, reduces pollution tothe atmosphere, and enhances working environment conditions. A coating formed by the paint has good adhesion; and a paint film formed by the paint has greatly improved scratch resistance and good adhesion to most substrates.

The invention discloses a light high-strength crack-resistance auxiliary material and a method for improving the crack resistance and heat preservation performance of concrete.The light high-strength crack-resistance auxiliary material is prepared from light high-strength spherical burn-free ceramisite and a special interface agent.According to the adopted ceramisite, the particle size ranges from 8 mm to 15 mm, the loose bulk density ranges from 800 kg/m3 to 1000 kg/m<3>, the cylinder compressive strength ranges from 4 MPa to 6.5 MPa, and the water absorption ranges from 15% to 25%.An organic additive serves as the interface agent, bonding strength of the burn-free ceramisite and a mortar interface can be remarkably improved, and moisture in the burn-free ceramisite and the mortar interface can be slowly released.The using quantity of the crack-resistance auxiliary material is 10-25% of the volume of pumped concrete, the structural crack resistance and heat preservation performance of concrete are remarkably improved, and self-curing is achieved.The light high-strength crack-resistance auxiliary material can be applied to the cast-in-situ concrete pumping construction process of floors, the ground and roofs of buildings.

The invention provides an energy-saving power supply, comprising a socket, a power cord and at least one USB (universal serial bus) conducting wire, wherein the socket is provided with at least one group of jacks and internally provided with a relay; one end of the power cord is provided with a power connector and the other end of the power cord is connected to the relay of the socket so as to supply power for each group of jacks; the relay controls current of the power cord which flow to each group of jacks; and one end of each USB conducting wire is provided with one USB connector and the other end of each USB conducting wire is connected to the relay, so that the relay starts and the power cord and each group of jacks form a circuit when the current passes through the USB conducting wires, and the relay is closed and the power cord and each group of jacks are in open circuit state when the USB conducting wires stop current transmission. By the adoption of the energy-saving power supply, after main electrical equipment connected with the USB conducting wires is turned off, other auxiliary electrical equipment connected to the socket are turned off at the same time, thus the aim of saving electricity is achieved.

The invention discloses a socket box with a fire-extinguishing sand funnel and a sand bag, which comprises a socket box body, a fire-extinguishing sand funnel and a sand bag, wherein the socket box body is provided with a power jack; the upper end of the socket box body is provided with the fire-extinguishing sand funnel; the fire-extinguishing sand funnel is a right-angle terrace body; the bottom part of the fire-extinguishing sand funnel is arranged and fixed on the socket box body in a sealing body; the fire-extinguishing sand funnel is internally provided with a sand filling groove; a cover plate is hinged onto the notch at one end of the sand filling groove; two end surfaces of the socket box body are provided with sticky hair binding hooks; the sand bag and the sticky hair binding hooks are in sticky connection; the upper end of the sand bag is provided with a charging port; a fastening piece is arranged on the charging port; and the fastening piece can tie the charging port of the sand bag tightly. In the above mode, when a fire is caused by sparkles due to plug-pull connection between the socket box and the plug, the sand can be timely used for covering the flame so as to extinguish the fire, and fire dangers can be eliminated.

The invention discloses a rotary kiln, comprising a rotary kiln main body used for stirring raw materials fed to the interior, and injected with gas; and a main support unit connected to rotate the rotary kiln main body, and possessing a changeable sealing portion correspondingly changing with the rotary path of the rotary kiln main body.

The invention discloses a water-dispersible two-component polyurea coating composition with excellent weather resistance and elasticity as well as a preparation method and application of the water-dispersible two-component polyurea coating composition. The water-dispersible two-component polyurea coating composition is prepared from a component A and a component B. The component A is prepared from80 to 140 parts of polyaspartic acid resin, 20 to 100 parts of amino-terminated methoxy polyether, 10 to 50 parts of aliphatic diisocyanate, 0.1 to 0.4 part of an antiseptic bactericide and 165 to 375 parts of deionized water. The component B is prepared from the following components in parts by weight: 70 to 100 parts of a polycaprolactone polyol, 0 to 15 parts of an aliphatic polyisocyanate, 15to 70 parts of an aliphatic diisocyanate and 10 to 50 parts of an amino-terminated methoxy polyether. The coating composition is excellent in weather resistance and elasticity and can be dispersed inwater, the strength of the coating composition after film forming can be changed within a large range, and meanwhile the requirements for compatibility, mechanical performance and medium resistance of film forming substances are met.

The invention relates to a finned tube with a water-bearing channel, belonging to evaporators in the refrigeration system. The finned tube comprises an upper fin 1, a circular tube 2, a lower fin 3 and a water-bearing channel 4. The finned tube has the following advantages: the condensate water can not fall freely but can flow into a catchwater channel in a concentrated manner via the water-bearing channel and can be drained out of the reservoir when the refrigeration system works. Compared with the air coolers, the finned tube is energy-saving, safe and reliable and has high space humidity.

The invention relates to a functional coating and application thereof, in particular to a functional coating for detecting hydrogen and a use method thereof. The functional coating comprises a coating serving as a matrix and a color-changing material capable of reacting with hydrogen to change color. When the functional coating is in contact with hydrogen, the color changes, so that whether the material is in contact with hydrogen or not can be judged according to the color change of the coating. The functional coating is intrinsically safe, simple and convenient in application mode and wide in application scene, solves the problems that the leakage positioning capability is limited and tiny leakage is difficult to capture in the existing detection technology, is a supplement of a common hydrogen leakage detection method, and has extremely high use value.

The invention discloses a safety hook which comprises a first arm, a second arm, a third arm, a supporting column and an elastic piece, wherein the lower end of the first arm is pivoted with one end of the second arm; a transverse stopper is arranged on the third arm; the lower side surface of the other end of the second arm is stopped on the transverse stopper of the third arm; two ends of the elastic piece are respectively and fixedly connected with the first arm and the third arm; the supporting column is parallel to the elastic piece and is positioned between the first arm and the third arm, so that the elastic piece is kept in an elastic deformation state; the elastic piece has a restoration trend which can enable the stopper on the third arm to be separated from the lower side surface of the second arm; the supporting column is made of a combustible material; the elastic piece is made of a non-combustible material; and an import part which is made of the combustible material and can enable a workpiece to immerse in quenching oil because of ineffectiveness of the second arm due to combustion is arranged on the hook. When the workpiece is on an oil surface and can not move to cause the combustion of the quenching oil, the supporting column is combusted and damaged, so that the workpiece drops in the oil, the immediate temperature of the oil is reduced, the combustion is stopped, the fire danger is eliminated, and a fire-extinguishing safety function is realized.

The invention relates to a tert-vinegar emulsion expansion-type fireproof paint and a preparation technology thereof. The expansion-type fireproof paint comprises the following raw materials in parts by weight: 30-40 parts of deionized water, 0.1-0.2 parts of alkaloid, 0.3-0.6 parts of a RS610 wetting dispersant, 0.2-0.5 parts of hydroxyethyl cellulose, 0.2-0.5 parts of a DF681F antifoaming agent, 0.1-0.4 parts of a RS antiseptic, 0.2-0.4 parts of an AN130 PH conditioning agent, 0.2-0.4 parts of an A401 alkali swelling thickening agent, 2-3 parts of a film forming auxiliary agent, 8-10 parts of melamine MEL, 10-12 parts of pentaerythritol PER, 20-25 parts of ammonium polyphosphate APP, 3-6 parts of titanium dioxide, and 15-25 parts of a tert-vinegar emulsion. According to the invention, water is taken as a disperse medium, a lot of resource is saved, fire risk during construction is eliminated, atmosphere pollution is reduced, a few of hypotoxic alcohol and ether organic solvents is used, work environment condition is improved, the coating adhesion is strong, and the paint has good adaptability on surface of the material.

The invention provides a metallic water-based paint and a preparation method thereof. The method comprises the following steps: grinding carbon black, talcum powder and precipitated barium sulfate with mass proportion to fineness of less than 60 [mu]m by a grinding machine, then adding water, talcum powder, precipitated barium sulfate, modified water resin, ethylene glycol, carbon black, a drying agent and a defoaming agent into the mixing a stirring kettle and stirring the materials, heating the materials, refluxing the materials, and adjusting the pH value, fully and uniformly stirring the materials, and filtering the material to obtain the metallic water-based paint. The metallic water-based paint is in favor of environment, has strong adhesive force after the surface of metal parts is painted and solidified, and has high strength, high hardness, high wear resistance, high temperature resistance, heavy anti-corrosion effects, enhances the surface abrasion resistance of the parts, and can prolongs the service life of the parts. The metallic water-based paint has no pollution on environment.