90results about How to "Reduce the likelihood of fire" patented technology

A system for producing asphalt from RAP including a conveyor belt, a source of fuel, at least one infrared chamber, at least one rotary mixer, and an asphalt producing module, preferably a drum heater. The system includes measures for carefully controlling the heat of the reclaimed asphalt pavement as it is dried, including controls for adjusting the distance between the infrared chambers and the conveyor belt, controls for turning each individual infrared chamber on and off, and controls for adjusting the rate of the conveyor belt and the rotary mixers.

The invention relates to the technical field of plastic bag processing and particularly relates to a surface leveling mechanism for a plastic woven bag. The mechanism comprises a bracket. A pair of rotary shaft holes are formed in the outer wall of the bracket, U-shaped brackets are rotatably connected to the rotary shaft holes, a pair of transverse rods is fixedly connected to the side wall of the bracket, a spring is fixedly connected to the outer wall of each of the transverse rods, one end, far from each of the transverse rods, of the spring is fixedly connected to each of the U-shaped brackets, a leveling roller is rotatably arranged on each of the U-shaped brackets, the leveling roller comprises a roller, a plurality of spokes are arranged on the inner wall of the roller, a sleeve isarranged in the middle of an inner cavity of the roller, the plurality of spokes are fixedly connected to the sleeve, and the sleeve sleeves each of the U-shaped brackets. According to the surface leveling mechanism for the plastic woven bag, wrinkles of the woven bag can be prevented, so that the leveling function is achieved; meanwhile, sponge is arranged in the inner cavity of each of the leveling rollers, clean water is injected into the inner cavity of the leveling roller to eliminate part of static electricity generated by bag making, so that the probability of fires is reduced.

The invention discloses solar heat-absorbing paint which is prepared from the following components in parts by weight: 25-35 parts of an acrylate-modified composite emulsion, 2-6 parts of a fluorocarbon surfactant, 35-55 parts of a nano carbon powder and manganese dioxide mixture, 7-12 parts of a curing agent, 50-35 parts of a film forming agent, 1-3 parts of an absorption enhancer, 10-20 parts of a solvent, 5-10 parts of dispersants, and 0.5 to 0.7 part of a thickening agent, wherein the dispersants are sodium dodecyl sulfate and polyethylene glycol/polyvinyl pyrrolidone; the film forming agent is modified fibroin-gelatin; nano carbon powder is 10-20 nm in particle size, 150-180 m<2>/g in specific surface area and 90-95% in carbon content. The prepared solar heat-absorbing paint has excellent weather resistance and water resistance under the outdoor condition, the preparation process is simple and easy to understand, and the heat absorption efficiency of the heat-absorbing paint is further ensured.

The invention relates to a safe and environment friendly kitchen range, comprising a stove and a drop type kitchen ventilator. The invention is characterized in that a front baffle board of a smoke vent on the hearth of the drop type kitchen ventilator is a flexible faceplate, a smoke outlet on the hearth is formed on the upper part of the head board; the front surface of the head board is a bare board; stratiform oil baffle plates with buttoned-down arc shapes are arranged in interlacing on the back surface of the head board and on the corresponding postnotum, namely the inner wall of the smoke vent on the hearth; the drop type kitchen ventilator comprises a wind blower, and an air outlet is respectively arranged at both sides and above the hearth; the air outlet is connected with the positive pressure pipe of the air blower; the wind direction of the air outlet points to the negative pressure zone of the smoke vent on the hearth of the drop-type kitchen ventilator from both sides of the hearth and above the hearth. The invention is dramatically characterized by safe use, health and environmental protection, and good evacuation performance of indoor oil smoke.

The invention relates to a coating plant component (1; 2) for a suitably electrostatic rotary atomizer (10). Said coating plant component (1; 2) is a bell cup (1) or an atomizer ring (2). The coating plant component (1; 2) comprises a metal main part (1.1; 2.1) and is characterized in particular in that the metal main part (1.1; 2.1) is provided with a non-metal material (3). The invention further relates to an associated method for applying non-metal material (3) to a coating plant component (1; 2).

The invention relates to a novel square-bundling-type bundling machine and belongs to the technical field of agricultural machinery. The novel square-bundling-type bundling machine comprises a machine body, wherein a pickup, a feed chamber communicating with a pickup outlet, a driving mechanism and a hydraulic mechanism are arranged outside the machine body, a precompression chamber and a baling chamber are arranged in the machine body, crankshaft poking teeth are arranged in the precompression chamber, a compression piston is arranged in the baling chamber, a conveying chamber is arranged between the precompression chamber and the feed chamber, an outlet of the feed chamber communicates with the conveying chamber, a rotating shaft is arranged in the conveying chamber, spiral blades are mounted outside the rotating shaft, saw teeth are arranged outside the spiral blades, and a plurality of left-oblique scrapers are arranged on the sidewall of the conveying chamber. According to the bundling machine, the efficiency is high, the product density is high, the production efficiency is high, the service life is long, the scope of application is wide, and the practicability is high; and the influence on bundling ropes caused by a frictional force and material internal stress is lowered by using a buffer chamber, a first spring, a second spring, an upper turning plate, a lower turning plate and the like, which are mounted behind the baling chamber, so that the defects of the existing machine models that the power consumption is high and the bundling ropes are prone to rupture are overcome.

The invention belongs to the field of designs of beam-column joints of building steel structures, and relates to a method for manufacturing flange bolting-welding hybrid connection assembly type beam-column joints. The method includes steps of computing the quantities of high-strength bolts at web plates of steel beams and determining the sizes of joint plates; computing the quantities of high-strength bolts of lower flanges of frame beams; computing the lengths of weld seams at joints of lower flanges of cantilever beams and splice plates and determining the sizes of the splice plates; manufacturing members according to computation results; hoisting the various members in place on construction sites; connecting the various members with one another by bolts. The method has the advantages that the splice plates are arranged at the lower flanges of the cantilever beams, and are used as in-place plates during site mounting, and accordingly the members can be conveniently arranged in place; the lower flanges of the cantilever beams and the lower flanges of the frame beams are connected with one another by the bolts, web plates of the cantilever beams and web plates of the frame beams are connected with one another by the bolts, upper flanges of the cantilever beams and upper flanges of the frame beams are connected with one another by butt weld seams, and accordingly the method inthe connection modes can bring convenience for mounting floors; the welding quantities are reduced, accordingly, the mounting efficiency can be improved, and the flange bolting-welding hybrid connection assembly type beam-column joints are reasonable in structure and are safe and reliable.

The invention relates to a mounting structure of a detergent dispenser. The dispenser comprises a water storage box and a drawer assembly that can pull in and out of the water storage box. The water storage box is installed at the upper part of a box body and in the structure of a long strip. The front end of the water storage box is connected with the front end of the box body. The back end of the water storage box is connected with the back end of the box body. The back end of the water storage box extends to a back board of the box body and overlap joint with the back board of the box body. The connection is reliable. Meanwhile, the extending part is integrally provided with a water inlet path and a water inlet. A water inlet pipeline of a washing machine is directly connected to the water inlet through an electromagnetic valve. Water flows into function regions of the drawer assembly through the water inlet and the water inlet path and flows through a water outlet of the water storage tank of the water storage box. The overuse of multiple rubber hoses is avoided so to as avoid possibility of fire disasters.

The invention discloses a modified casein-gelatin-containing solar energy heat absorbing coating material, wherein a light absorbing agent, a film forming agent, a solvent and an auxiliary agent are uniformly dispersed by using a ball milling method, a film forming auxiliary agent is added, and uniform mixing is performed to obtain the modified casein-gelatin-containing solar energy heat absorbing coating material, wherein the raw materials comprise, by weight, 50-100 parts of the film forming agent, 10-30 parts of the film forming auxiliary agent, 35-55 parts of the light absorbing agent, 20-50 parts of the solvent and 10-30 parts of the auxiliary agent, and the film forming agent preparation method comprises: carrying out mixing and water adding on casein and gelatin according to a weight ratio of 5-10:2-3, soaking at a temperature of 15-22 DEG C, adding a mixed liquid comprising hydroxyethyl methacrylate and polydimethylsiloxane according to a weight part ratio of 1-2:1-3, calcining for 5-10 h at a temperature of 200-300 DEG C, carrying out air jet pulverization on the calcined product, grading, calcining, and carrying out ball milling to obtain the modified casein-gelatin. According to the present invention, the film forming agent is modified so as to be the important raw materials for preparing the coating material of the present invention, such that the prepared coating material has good whether resistance and good water resistance under the outdoor condition; and the preparation process is simple and easy to understand, and the heat absorbing efficiency of the coating material can be ensured.

The invention provides an induction cooker limited-time automatic on/off electric protection device, which is based on a singlechip and a PLC and used for solving the problem that the induction cooker used in railway dining car can not automatically cut off the electricity. A transformer sends a starting work signal to the PLC, converts a transformer output signal into a sampling signal and sends the sampling signal to a main control chip; the PLC starts an internal timer to time the work time and break-time of the induction cooker; the on/off of a power supply circuit of the induction cooker is controlled by a contactor; an infrared human body induction circuit sends a no-man signal to the PLC by a rectifier circuit; the main control chip samples the instant power value of the induction cooker, accumulates the power consumption of the induction cooker; a digital quantity speech alarming signal is sent to a speech alarming circuit; the key information is written into a logic controller; function parameters are selected to be displayed on liquid crystal; and the analog speech alarming signal is sent to an alarm.

The invention relates to the technical field of thermal insulation of constructional engineering, in particular to modified floating bead calcium silicate, a preparation method thereof and a thermal insulation and decoration integrated board. The preparation method provided by the invention comprises the following steps: mixing floating beads, a surfactant, a water repellent and water to obtain a floating bead dispersion liquid; mixing the floating bead dispersion liquid with lime milk, and carrying out hydrothermal reaction to obtain xonotlite slurry; the mass ratio of the floating beads to calcium hydroxide in the lime milk is (5-20): (1-5); and mixing the xonotlite slurry and reinforced fibers, and performing compression molding to obtain the modified floating bead calcium silicate. The modified floating bead calcium silicate obtained by the preparation method provided by the invention has the pore diameter of 2-100nm, the percentage of closed pore of 90-95%, the compressive strength of 1-20MPa, the heat conductivity coefficient of 0.03-0.08 W/(m.K), the volume weight of 70-1000kg/m < 3 > and the hydrophobic rate of 85-98%.

The invention discloses a solar heat absorption material containing modified silkworm protein-gelatin. A light absorption agent, a film forming agent, a solvent and an assistant are evenly dispersed through a ball milling method, then a film forming assistant is added and evenly mixed, and the solar heat absorption material containing modified silkworm protein-gelatin is obtained. The solar heat absorption material containing modified silkworm protein-gelatin is prepared from, by weight, 50-100 parts of the film forming agent, 10-30 parts of the film forming assistant, 35-55 parts of the light absorption agent, 20-50 parts of the solvent and 10-30 parts of the assistant, wherein propylene glycol monopropyl ether or benzyl alcohol or the like serves as the film forming assistant. The preparation method of the film forming agent includes the steps that silkworm protein and gelatin are mixed according to the weight ratio of (5-10):(2-3), then mixed liquor of butyl acrylate and dimethiconol at the weight ratio of (1-2):(1-3) is added for chemical modification, then physical modification is carried out, and modified silkworm protein-gelatin is obtained. According to the solar heat absorption material, the film forming agent is modified and then serves as an important raw material for preparing the paint, so that the prepared paint has good weather resistance and waterproofness under outdoor conditions; besides, the preparation process is simple and easy to understand, and the heat absorption efficiency of the heat absorption paint can be guaranteed.

The invention relates to a coating, in particular to a solar heat absorption coating. The solar heat absorption coating is prepared from, by weight, 50-100 parts of film forming agent, 35-55 parts of light absorption agent, 10-30 parts of film forming assistant, 20-50 parts of solvent and 10-30 parts of assistant. The film forming agent is modified casein-gelatin. The solar heat absorption coating is characterized in that after the light absorption agent, the film forming agent, the solvent and the assistant are evenly dispersed through ball milling, the film forming assistant is added and evenly mixed, and then the solar heat absorption coating can be obtained. The film forming agent can be modified to serve as an important raw material for preparing the coating, the prepared coating has good weather fastness and waterproofness under the outdoor condition, the preparation process is simple and easy to understand, the heat absorption efficiency of the heat absorption coating can be guaranteed, and high promotional value is achieved.

The invention discloses a cooling and fire extinguishing device. The cooling and fire extinguishing device comprises a shell, a first fire extinguishing assembly and a second fire extinguishing assembly, wherein the shell is used for placing a lithium battery pack, the first fire extinguishing assembly comprises a liquid conveying pipe and a spraying head communicating with the liquid conveying pipe, the liquid conveying pipe is used for circulating cooling liquid, a plurality of installing holes are formed in the outer wall face of the liquid conveying pipe in a penetrating mode, the second fire extinguishing assembly comprises a gas conveying pipe arranged in the liquid conveying pipe in a sleeve mode, the gas conveying pipe is used for circulating inert gas, and the second fire extinguishing assembly further comprises exhaust pipes which are correspondingly installed in the multiple installation holes in a sealed mode and communicate with the gas conveying pipe. The temperature of the lithium battery pack is too high, the cooling liquid of the liquid conveying pipe cools the inert gas circulating in the gas conveying pipe, the temperature of the inert gas blown to the lithium battery pack is lower, cooling of the lithium battery pack is achieved, the oxygen concentration in the shell is reduced, the possibility that the lithium battery pack is on fire is reduced, when the lithium battery pack is on fire, the spraying head sprays the cooling liquid to extinguish open fire, the high-temperature lithium battery is cooled, the open fire is found in time, fire extinguishmentis conducted, and uncontrollable fire is avoided.

The invention belongs to the field of cable trench wells, and particularly relates to a self-cooling cable trench for a communication base station. The self-cooling cable trench comprises a trench body, a cable rack and a cover plate, wherein the bottom of the trench body is provided with a drainage channel extending along the longitudinal direction of the trench body, the drainage channel is connected in series in an urban sewage discharge system, the bottom of the drainage channel is provided with a circulating box, a cooling liquid pipe is installed on the inner side wall of the trench body, the two ends of the cooling liquid pipe extend into the drainage channel and communicate with the bottom of the circulating box, a one-way liquid inlet valve and a one-way liquid outlet valve are installed at the two ends of the cooling liquid pipe correspondingly, a horizontally-arranged piston plate is connected to the inner side wall of the circulating box in a sealed and sliding mode, and awing plate is arranged above the circulating box and is fixedly connected with the piston plate through a connecting rod. According to the invention, water flow in a drainage channel can drive a wingplate to move up and down, so that circulating flow of cooling liquid is achieved, the good heat dissipation and cooling effect is achieved, energy conservation and environmental protection are achieved, and the manual maintenance cost is reduced.