56results about How to "Less prone to fire" patented technology

The invention discloses a synthetic method of photoinitiator dual (2, 4, 6-trimethylbenzene formyl group) phenyl phosphine oxide. The synthetic method comprises processes of using dichlorophenylphosphine and 2, 4, 6-trimethylbenzene acyl chloride to serve as raw materials, conducting a classification reaction under protection of nitrogen to generate dual(2, 4, 6-trimethylbenzene formyl group) phenyl phosphine, oxidizing hydrogen peroxide to obtain a target object-dual (2, 4, 6-trimethylbenzene formyl group) phenyl phosphine oxide. Compared with the existing industrial production, the process has the advantages of being safe in operation process, free of needs of dangerous metallic sodium or potassium, free of needs of using inflammable midbody phenyl phosphine, simple in reaction process, safe, easy to control, high in obtained product yield, good in quality and prone to achieve mass production and the like.

The invention relates to a pressure-maintaining and pressure-relieving control system for a large-tonnage cylinder of a steel-tube finishing straightening machine. The pressure-maintaining and pressure-relieving control system comprises two-way plug valves, control valves, a direct-acting relief valve and pressure gages which are connected with a main cylinder, a first quick cylinder and a second quick cylinder, wherein the pressure relief of the main cylinder is controlled by a first two-way plug valve and a first control valve; the pressure relief of the first and second quick cylinders is controlled by a second two-way plug valve and a second control valve; and the pressure relief of a system oil way is controlled by a third two-way plug valve and a third control valve. In the pressure-maintaining and pressure-relieving control system, the two-way plug valves are controlled to be switched on/off by the power-on/off of the control valves, so as to realize the pressure maintenance and the pressure relief of the system. The effective pressure maintenance and the impact-free pressure relief of the system are realized by the pressure-maintaining and pressure-relieving control system provided by the invention which has the advantages of convenience in debugging, high response speed, high oiling capability, small liquid flow resistance, compact structure, reliable property and the like, and is suitable for various steel-tube finishing straightening machines.

The invention discloses a contact type temperature control device for regulating the temperature by gas and relates to the field of gas temperature regulation. The contact type temperature control device comprises a bottom layer and a temperature sensing layer which are sequentially arranged from bottom to top, wherein a supporting outer frame is arranged between the bottom layer and the temperature sensing layer; a gas chamber is formed by spaces inside the bottom layer, the supporting outer frame and the temperature sensing layer; at least forty support members are arranged inside the gas chamber; all the support members are distributed at the top of the bottom layer in a disperse way; the sum of cross section areas of all the support members is 50-70 percent that of the gas chamber; the height of each support member is identical with the thickness of the supporting outer frame; at least one gas inlet and at least one gas outlet are formed in the wall of the supporting outer frame; a temperature regulating device is arranged in the at least one gas inlet and is provided with a fan for introducing gas. The contact type temperature control device disclosed by the invention has the advantages of better temperature regulating effect, convenience for use of people, safety and environment friendliness for use and wide application range.

The invention relates to a stirring device of a livestock manure full-mixing type fermentation tank. The stirring device comprises a fermentation tank, a stirrer and a hydraulic motor component, wherein the fermentation tank is used for accommodating a livestock manure mixed medium; the stirrer is positioned in the fermentation tank; and the hydraulic motor component serving as a power source directly drives the stirrer to rotate. The stirring device has a compact structure, is convenient to install and operate, safe, reliable and high in corrosion resistance, and hardly triggers safety accidents such as a fire hazard, explosion, methane leakage and the like.

The invention provides a water-based quenching agent of alloy steel, which comprises the following compositions in parts by weight: 6-8 parts of sodium bicarbonate, 20-25 parts of glucose, 1-2 parts of acetic acid, 3-4 parts of sodium hydroxide, 4-6 parts of a foaming agent, 1-2 parts of a stabilizer, and 100 parts of water. The invention further provides a water-based quenching agent of another kind of alloy steel, which comprises the following compositions in parts by weight: 6-8 parts of sodium bicarbonate, 20-25 parts of glucose, 1-2 parts of acetic acid, 4-6 parts of starch, 3-4 parts of sodium hydroxide, 4-6 parts of a foaming agent, 1-2 parts of a stabilizer, and 100 parts of water. The water-based quenching agent of the alloy steel, provided by the invention, is low in cost, not easy to cause fire, and pollution-free, can be directly used, and is in no need of temporary preparation.

The invention relates to a plastic-using coating composition, water-based acrylic resin as the main constituent, and water as the solvent. The invention provides a product formulation of plastic-using water-based acrylic resin coating composition, which is prepared mainly with water-based acrylic resin, water-based aluminium paste, water, defoamer and water-based color paste matching with a certain weight ratio, solving the problem of pollution to environment and damage to operator body because of volatilized solvent. Spraying the plastic-using coating composition on the surface of plastic, the filming effect is not worse than that of the solvent-based plastic-using coating, and can reach the correlative standard. The product also has a characteristic of environmental protection, safety and energy conservation, saving organic solvent and ratio of property to cost being high.

The invention provides a hermetic, auto-cycling and auto-cooling dry type transformer device used for offshore wind power generation and installed in an offshore wind generator tower or an engine compartment. The device mainly comprises a resin molded dry type transformer, a hermitic metal shell, an inner cooler, an outer cooler, a cooling pump and a controller. With the adoption of the metal hermetic shell, the erosion of the external moisture, salt and corrosive gas can be effectively prevented; the transformer is not in direct contact with the offshore natural environment, has strong anti-corrosion ability and long service life; the transformer material has properties of flame retardant and self-extinguishment, and is not easy to occur the fire accident;a low-voltage coil and high-voltage coil winding is provided with a cooling wind duct; and a guide plate device is adopted, so that the heat dissipation efficiency is increased greatly; and the transformer has strong overload ability and is especially suitable for rapid fluctuation occasions of wind generation power.

The invention discloses an aqueous adhesive for a rubber tube, and a preparation method thereof. In the existing rubber tube industry, adhesives have high toxicity, environmental pollution is generated, fire disaster is easily caused, an operation process is danger, and bond strength is not high. A purpose of the present invention is to solve problems in the existing rubber tube industry. The aqueous adhesive of the present invention comprises the following components, by weight, 10-80% of carboxylic butadiene-styrene latex, 8-30% of a tackifier, 5-40% of a filler, 5-20% of a thickening agent, 0.1-2% of an anti-aging agent, 0.5-2% of a vulcanization agent, 0.1-0.5% of a vulcanization accelerator, 0.1-1.5% of a wetting agent, and 10-80% of water. The aqueous adhesive and the preparation method in the present invention have the following advantages that: characteristics of no toxicity, no harm and no environment pollution are provided, an operation process is safe, fire disaster is not easily caused, bonding strength is high, heat resistance is excellent, ageing resistance is good, a storage time is long, the original process is not changed during the production process, and the aqueous adhesive and the preparation method can be widely used in rubber tube industry.

The invention discloses a heating plate for printing and dyeing of a textile fabric. The heating plate comprises a heat storage cushion, electric heating wires and a heat insulation cushion. The heat storage cushion is connected with the heat insulation cushion. The electric heating wires are arranged between the heat storage cushion and the heat insulation cushion. The heat storage cushion is of a hollow structure. Heat storage liquid is contained inside the heat storage cushion. The heat storage cushion is made of soft rubber. Water is used as the heat storage liquid. The heat insulation cushion is made of a foam carbon super high temperature hard thermal insulation material. Therefore, the heating plate for printing and dyeing of the textile fabric, which is disclosed by the invention, has the advantages that the heating plate has a simple structure, and can uniformly heat and a fire is difficult to cause.

The invention discloses a special quenching agent for low-carbon alloy steel. The special quenching agent comprises the following components in parts by mass: 2-5 parts of sodium sulfate, 4-6 parts of sodium hydroxide, 1-2 parts of starch, 5-7 parts of sodium bicarbonate, 6-8 parts of sodium phenylacetate, 5-8 parts of alums and 60-70 parts of white oil. A method for preparing the special quenching agent for low-carbon alloy steel comprises the following steps: dissolving sodium sulfate, sodium hydroxide, starch, sodium bicarbonate, sodium phenylacetate and alums into white oil of 55-60 DEG C according to proportions, and uniformly mixing. The special quenching agent for the low-carbon alloy steel, which is disclosed by the invention, is low in cost, safe and free of pollution, unlikely to cause fire hazard and convenient to use, and does not need to be prepared temporarily when being used.

The invention discloses a production method of a binding strap with tensile strength more than or equal to 1000MPa. The method comprises the following steps: cold-rolling a pickled 30Mn2 hot-rolled coil; uncoiling, stripping and removing burrs, and then carrying out high temperature austenitizing; quenching the coil in a mixed solution consisting of triton X-100, Tween 20 and water; washing with water as conventional means and tempering the coil; naturally air-cooling to room temperature; and coiling. A finished product of the invention is 0.8-1.0mm thick, 1030-1070MPa in tensile strength, 10-12% in elongation rate and no less than 4 times in repeated bending time, and a blue layer which is uniform and dense, strong in adhesive force and 4-6microns thick is generated on the surface. The performances of the finished product completely meet the demands of binding and packaging heavy-coil hot-rolled steel coils.

The invention discloses a noise-reducing saw blade for timber cutting. The noise-reducing saw blade comprises a copper core plate, a plurality of air holes are formed in the outer circumference of thecopper core plate, cutting disks are arranged on two sides of the copper core plate and provided with fixing holes penetrating the copper core plate, the outer edges of the cutting disks extend outwards to go beyond the outer edge of the copper core plate, a plurality of rubber posts surrounding the copper core plate are arranged between the two cutting disks, flared elastic bodies are arranged at two ends of the rubber posts, threaded rods are arranged in the rubber posts, the two cutting disks are fixed to two ends of the threaded rods and are connected with the copper core plate through pins penetrating a plurality of surrounding fixing holes, a plurality of saw teeth are arranged on the outer circumferential faces of the cutting disks, 10-15 saw teeth are designed in a group, an inwardly extending noise-reducing seam is formed in the root of one of each saw tooth group, and noise-reducing pillars are inlaid into the ends of the noise-reducing seams. The noise-reducing saw blade for timber cutting is not prone to being overheated and causing fire and long in service life without sharp noise.

The invention provides rice tea which is different from traditional rice tea and has the relatively excellent flavor and nutritive value, and discloses a preparation method of the rice tea. The preparation method comprises the steps of soaking fresh unshelled foxtail millet into water; feeding eggplant stalks and evenly mixing to obtain a mixture, wherein the weight ratio of the eggplant stalks to the fresh unshelled foxtail millet is (1 to 1000)-(1 to 10000); soaking the mixture for 5-30 days in a way of keeping out of the sun, and maintaining the liquid level to higher than the solid matter by 3-6cm all the time; draining off the water of the mixture, removing the eggplant stalks and drying the foxtail millet in the air; removing chaff to obtain rice grains; frying the rice grains to obtain the rice tea. Furthermore, the invention also provides the rice tea prepared by adopting the preparation method. The rice tea provided by adopting the technical scheme is different from the prior art and has the advantages of having comprehensive and rich nutritional ingredients and unique and rich flavor, and being not easy in causing of the phenomenon of getting inflamed after being eaten or drunk.

The invention relates to a removing machine, in particular to an insulating skin fixed-length removing machine for wire processing. The insulating skin fixed-length removing machine for wire processing is convenient for people to remove the insulating skin of each wire, time-saving, labor-saving, high in working efficiency and not easy to cause fire hazards. The insulating skin fixed-length removing machine for wire processing comprises a protective bottom box, a supporting bottom plate and supporting columns, wherein the supporting bottom plate is fixedly connected to the bottom of the protective bottom box, the four supporting columns are fixedly connected to the top of the supporting bottom plate at intervals, and the supporting columns are connected with the protective bottom box. The wire is pulled to be inserted into the protective bottom box, a servo motor is started to rotate forwards to drive a driving shaft to rotate forwards, then, a separation cutter moves inwards to make contact with the surface of the wire, a heating module operates to transmit heat energy to the separation cutter, and the separation cutter rotates backwards and moves inwards to cut the insulating skin of the wire, so that people can conveniently remove the insulating skin of the wire, time and labor are saved, working efficiency is high, and fire disasters are not prone to being caused.

The invention relates to the technical field of new energy automobiles and discloses a charging pile with heat dissipation and protection functions for a new energy automobile. The charging pile comprises a charging main body, a charging base is arranged on the upper side in the charging main body, a third metal block is fixedly connected to the left side of an insulating block, a metal base is slidably connected to the left side of the third metal block, a third spring is fixedly connected to the upper side of a second moving rod, and a first moving chamber is arranged on the outer side of the third spring. According to the charging pile capable of dissipating heat for the new energy automobile, when the heat received by a first heated metal sheet is higher, the third metal block slides upwards on the metal base; and due to a fact that the metal base is connected with a circuit in the motor in series, an upward sliding resistance of the third metal block becomes small, a current in the circuit becomes large, then a rotating speed of a fan is adjusted, a heat dissipation air volume is adjusted too, and the structure achieves the effects that heat dissipation can be performed, the charging efficiency is high, fire is not likely to happen, and heat dissipation can be performed according to temperature changes.

The invention relates to a system for treating VOCs. The system comprises a shell body and a partition plate, the partition plate divides a high-temperature furnace into a slow-flow air channel, and the high-temperature furnace used for heating the slow-flow air channel is arranged in the slow-flow air channel; the shell body is provided with an returning air heating device and a preheating devicecorrespondingly, and at least one drying oven is arranged between the returning air heating device and the preheating device; one sides of the drying ovens are connected with the returning air heating device through hot air blowers, and the other sides of the drying ovens are connected with the preheating device through exhaust gas extracting fans; and a spraying pipe is arranged in the high-temperature furnace, the spraying pipe is connected with a fresh air blower, and one end of the fresh air blower is connected with the preheating device. The system has the beneficial effect of being morestable and more thorough in emission reduction, wherein the air flow with VOCs passes through the slow-flow air channel, the returning air heating device and the preheating device in a circulating mode, the VOCs air flow has no direct emission of the VOCs to the atmosphere, only a small amount of the VOCs enter the return air heating device or the preheating device when pressure relief is needed,and under the situation that sufficient natural gas flame burning and heat is achieved, the small amount of the VOCs is thoroughly treated.

The invention discloses a magnetic power switch box and solves the problem that an existing magnetic switch is not applicable to underground shafts with explosion-proof requirements. The magnetic power switch box comprises a left binding post (12) and a right binding post (13) respectively arranged at the bottom end of a switch box body (6), an up-and-down vertical slide way (8) is arranged on a bottom plate in the switch box body (6), a slide base (9) is movably arranged on the slide way (8), an inner magnet body block (2) is fixedly arranged on the middle part of the slide base (9), a plug (3) is arranged at the upper end of the slide base (9), an insulation pad (11) is arranged on the plug (3), a left power connecting piece (10) and a right power connecting piece (4) are respectively arranged at the left and right ends of the plug (3), a connection circuit socket piece (14) is arranged on the top end of the slide way (8) in the switch box body (6), and an outer magnet body block (7) is correspondingly attracted with the inner magnet body block (2). The magnetic power switch box is particularly applicable to underground shafts and places with dust.

The invention discloses an indoor environment-friendly integrated decorative plate and a decorative wallboard thereof, and belongs to the technical field of architectural decoration building materials. The decorative wallboard is formed by compounding six layers of a cement slurry layer 1, a glass fiber gridding cloth layer 2, a rubber powder polyphenyl granule layer 3, a glass fiber gridding cloth layer 4, cement slurry 5 and a facing layer 6. The facing layer faces outwards. The decorative wallboard can be adhered to a wall body through a foam glue. A corner brace 10 is fixed on the wall body through an expansion bolt. An U-shaped keel 11 is fixed on the corner brace through a first bolt. A wallboard fixing fastener 13 and the U-shaped keel are matched for use, and the wallboard fixing fastener 13 is buckled on the U-shaped keel 11. The wallboard fixing fastener and the decorative wallboard 8 are fixed together. Raw materials, the installation process and the like are environmentallyfriendly, and decoration, heat preservation, sound insulation and the like are integrated. Decoration is environment-friendly, attractive, heat-insulating, sound-insulating and mould-proof. The requirements of color, modeling, quality and the like can be met. The construction is simple. Durability is achieved. The decorative plate conforms to the technical development direction of building modularization and the like, and has positive market prospects.