192results about How to "Purify the working environment" patented technology

The invention relates to a method for removing an oxidation layer on titanium and titanium alloy wires and a device thereof. The method includes the following steps: 1. straightening: a straightening machine is used for straightening the titanium and titanium alloy wires; 2. phosphorus removal: a steel wheel phosphorus removal machine is used for removing the oxidation layer on the surface of the titanium and titanium alloy wires; 3. polishing: a sand belt wheel polisher is used for polishing the surface of the titanium and titanium alloy wires. The device is sequentially provided from left to right with a pay-off stand (1), a clamping device (2), a heating device (8), a straightening device (3), two steel wheel phosphorus removal machines (13), sand belt wheel polishers (14), a guide and guard (6) and a vertical down drawing machine (7). On the basis of the present steel wheel phosphorus removal machine, the method is additionally provided with a heating device, a phosphorus removing and polishing machine, a cooling device, a dust removing device and a tension device, thereby forming a production line for removing the oxidation layer on a large and heavy titanium alloy wire, so as to reach the purpose of removing the oxidation layer and polishing.

The invention discloses a separation device of plastic particles and dust by negative-pressure air power, which comprises a separator (1), a draft fan (2) and a dust-collecting bag (3). The device comprising the separator (1), the draft fan (2) and the dust-collecting bag (3) adopts the technical scheme of sucking dust and separating plastic particles and dust by utilizing negative-pressure air power and overcomes the problems and the defects of great dust danger, high labor cost for secondary separation and low production efficiency of the prior art. The device is arranged at a discharging hole of a plastic pulverizer, finishes the crushing and separating procedures of plastics by one step and blows the dust into the dust-collecting bag to prevent the dust from flying, and the production of crushing and recycling plastics reaches the aims of no dust escape, working environment purification, procedure simplification, labor cost reduction and production efficiency improvement.

The invention discloses a silane coupling agent modified friction material and a friction plate made of the friction material. The friction material comprises components in a frictional material formula and a processed silane coupling agent. A method for preparing the friction material comprises steps as follows: raw materials are prepared according to the friction material formula, the components of the friction material are uniformly mixed through a mixing process, and the processed silane coupling agent is sprayed into mixing equipment through the mixing process. The silane coupling agent modified friction material and the friction plate made of the friction material have the benefits as follows: the problem about compatibility of raw materials in a friction product is solved, then one friction product is provided, the friction product improves impact strength and inner shearing strength while the friction coefficient and performance are not damaged under the same condition, the wearing is reduced, and the friction plate made of the friction material can be applied to the harsh working condition.

The invention discloses a metal cutting machine tool with the function of collecting metal shavings, comprising a machine tool body, the machine tool body is a hollow structure, a workbench is fixedly installed inside the machine tool body, and a collection box with an opening at the top is arranged under the workbench , both sides of the collection box are welded with connecting blocks, both sides of the machine body are welded with fixed blocks, the inner walls of both sides of the machine body are provided with first through holes, and the fixed blocks are provided with second through holes, the first The through hole communicates with the second through hole, the same slide bar is slidably installed in the first through hole and the second through hole, and both ends of the slide bar extend outside the first through hole and the second through hole. The present invention is simple in structure, easy to use, adds the function of collecting metal shavings to the metal cutting machine tool, and the collection box is convenient to clean and replace, purifies the working environment, is easy to operate, and improves work efficiency.

A loading and unloading method for the one hundred thousands tons class of dock features that the cargo is transported from ship's cabin into a greater hopper with guide plate at its lower opening by the grab bucket of greater hoist, and then loaded in a truck under said greater hopper. Its apparatus is composed of a 4-column supporting frame, and a greater hopper installed on said supporting frame. Its advantages are high efficiency and quality of unloading and loading and less loss.

The invention provides a cement compound type grinding aid which is high-efficient cement grinding aid integrating grinding and enhancement. The cement compound type grinding aid comprises the following compositions in percentage by weight: 10-20% of modified triethanolamine, 10-15% of triethanolamine, 20-30% of triisopropanolamine, 10-15% of glycerinum, 10-15% of sodium humate, 1% of low-molecular-weight fatty salt and 20-30% of clean water. According to the cement compound type grinding aid, the grinding efficiency of a cement grinding technology and the purification of the working environment in a manufacturing shop can be effectively improved, and the cement compound type grinding aid has the characteristics of lowering the production cost and effectively optimizing the properties of cement.

The invention relates to a down coal face goaf water dredging structure. The structure includes a fish scale net covering a collapsed top plate, after top plate gangue collapses, a goaf is no longer filled freely, and the fish scale net is used for covering to achieve the effects of protecting the top plate and catching the gangue; a nog shaped like a Chinese character 'Jing' is erected below the collapsed top plate and used for supporting the collapsed top plate; a water-retaining wall is built at the lower side of the nog shaped like a Chinese character 'Jing', and the goaf and the water-retaining wall are used for building a weir to form a water sump. The structure further includes a water discharge pipe, the water-retaining wall is provided with at least one water discharge pipe to connect space outside the water-retaining wall and the water sump. The invention further provides a down coal face goaf water dredging method. The down coal face goaf water dredging structure has the advantages that water dredging is conducted from a source, water and coal are separated, water blasting of a tunnel is avoided, and the production security hidden danger is eliminated; the discharged water is few in impurity, damage to a drainage system is reduced, and the electric charge is saved; the dredging project is reduced, manpower is reduced, and the work efficiency is improved; the operating environment is purified, and the production efficiency and the quality standardization level are improved.

The invention discloses computer accessory processing equipment, which comprises a base, wherein upright posts are fixed in four corner positions of the top of the base; a top plate is fixed on the tops of the upright posts; a cutting table is arranged on the top of the base; a groove is formed in the middle position of the top of the cutting table; a support rod is fixed in a position, positionedat one side of the cutting table, of the top of the base; an air cylinder is arranged at one side, far away from the cutting table, of the support rod; the air cylinder is fixed on the top of the base; and the output end of the air cylinder is connected with a second connecting rod. The air cylinder drives the second support rod to downwards move; under the effects of an installed sleeve, a spring and the first support rod, a press block downwards moves, so that a circuit board to be cut is fixed; the phenomenon of nonuniform cutting due to occurrence of looseness during the cutting is avoided; through an installed draft fan, a collection cabin and an air suction cover, fragments falling into the groove during the cutting can be collected; the work environment is purified; and the resource waste is avoided.

The invention relates to the technical field of oil mist filtering equipment and in particular relates to an oil mist recycling machine. The oil mist recycling machine comprises a rack, wherein the rack is provided with a shell body; an inlet is formed in one side of the shell body; the shell body is internally provided with a first-grade filtering device for carrying out first-grade filtering on oil mist, a second-grade filtering device for carrying out second-grade filtering on the oil mist, a third-grade filtering device for carrying out third-grade filtering on the oil mist and a driving mechanism; the driving mechanism is in driving connection with the third-grade filtering device; a collection device is arranged at the lower end of the third-grade filtering device. According to the oil mist recycling machine provided by the invention, the effects of filtering the oil mist for a plurality of times, carrying out odor removal treatment and cooling, liquefying and recycling the oil mist can be realized through the first-grade filtering device, the second-grade filtering device and the third-grade filtering device. An external working environment is effectively purified and corrosion damages, caused by the oil mist, to the equipment are reduced; damages, caused by the oil mist, to human bodies are reduced; the atmospheric environment is protected.

The invention discloses environment-friendly antibacterial aqueous ink for tipping paper and lining paper for cigarettes. The ink is prepared from, by weight, 12-18% of a water-soluble resin liquid, 35-45% of a solvent, 25-35% of a compound antibacterial filler, 8-20% of pigment and 0-3% of an auxiliary; the composite antibacterial filler comprises nano titanium dioxide, a silver ion antibacterialagent, a chitosan-copper complex and soybean powder. The invention further provides a preparation method of the aqueous ink. The environment-friendly antibacterial aqueous ink greatly eliminates damage caused by volatile organic compounds such as benzene, methylbenzene, ethylbenzene, xylene and n-butyl acetate and harmful metals such as arsenic, mercury, lead, cadmium, nickel and chromium and hasthe good antibacterial effect, and the sterilizing effect on bacillus, escherichia coli and staphylococcus aureus can reach 99% or above.

The invention discloses an efficient lime powder sprayer, belongs to powder sprayers in the technical field of powder spraying and aims to provide an efficient lime powder sprayer. The efficient lime powder sprayer comprises a material barrel, a feeding adjusting hopper is arranged in an inner cavity of the material barrel, a feeding port of the feeding adjusting hopper penetrates out of the top of the material barrel, the bottom of the material barrel is connected with a driving motor, and a vibration stirring device is arranged in the material barrel and connected with the driving motor. One end of the bottom of the material barrel is connected with a discharging pipe, one end of the discharging pipe is communicated with a blowdown pipe, the middle of the blowdown pipe is communicated with the discharging pipe, and the other end of the blowdown pipe is connected with a fan. A secondary smashing device for protecting high-speed air flow from reverse flowing is further arranged between the material barrel and the blowdown pipe, the two ends of the secondary smashing device are communicated with the material barrel and the blowdown pipe through the discharging pipe, and the discharging pipe between the secondary smashing device and the material barrel is connected with an air inlet adjusting valve.

The invention discloses a dyeing machine with a dust removal function, which comprises a support platform, a dyeing box is welded on one side of the top of the support platform, a servo motor is fixedly installed on the rear side of the dyeing box, and one end of the servo motor shaft is connected through a shaft coupling. There is a transmission shaft, one end of the transmission shaft extends to the inside of the dyeing box and is fixedly connected with a first roller, one side of the first roller is provided with a second roller, and the other side of the top of the support table is welded with an outer box, the outer box is The air inlet on the inner wall of the box is fixedly connected with a blower, and the bottom of the inner cavity of the outer box is provided with a dust removal water tank, and the bottom end of the blower extends to the inside of the dust removal water tank. By setting the blower, the flying dust in the factory can be sucked into the dust removal water tank, and the inhaled dust can be adsorbed by the water in the dust removal water tank, so that it can achieve the effect of dust removal, and then the working environment in the factory can be purified, so that the staff Able to work in a good working environment.

The invention discloses an automatic lubricating powder recovery device which comprises a lubricating powder recovery cylinder, a valve body and a valve clack, wherein the two ends of the lubricating powder recovery cylinder are provided with a through hole allowing a steel bar to penetrate therethrough; the bottom of the lubricating powder recovery cylinder is communicated with an opening at theupper end of the valve body; the upper part of the inner side of the valve body is provided with a powder discharge hole communicated with the lubricating powder recovery cylinder as well as a valve clack for opening/closing the powder discharge hole; and the lower part of the inner side of the valve body is provided with an air inlet and a powder discharge port, wherein the air inlet is connected with an air source, and the powder discharge port is communicated with a lubricating powder device. The automatic lubricating powder recovery devicedisclosed by the invention overcomes the shortcomings of the prior art, avoids flying of the lubricating powder in the production line of rolled steel bar, purifies the operation environment, guarantees health of operators, can recover the lubricating powder, saves resources and protects the production equipment perfectly. The automatic lubricating powder recovery device disclosed by the invention has the advantages of simple structure, low processing cost and the like, and is simple and easy to operate and convenient to maintain.

In the ultrafiltration of degreasing tank liquid for oil-water separation and reusing, ultrafiltration membrane in certain specification is selected to intercept emulsified oil part of the tank liquid based on the size of the oil drops. Contaminated degreasing tank liquid is first processed in the deposition tank and circulating tank, then pre-filtered in the pre-filter and finally ultrafiltered in the ultrafilter before returning to degreasing tank for re-use. The intercepted liquid in the ultrafilter may be returned via pipeline to the pre-filter for re-filtering. The present invention has also one ultrafiltration membrane cleaning tank, cleaning liquid is injected via pipeline and the effluent is made to return into the pre-filter. The present invention has the features of saving in energy, saving in water, clean work environment, high oil-water separating rate, etc. The tank liquid has an updating period as long as three months.

The invention discloses crushing, lifting, hoisting and transporting equipment for ore production and with a dust removal function, and relates to the technical field of ore production. In order to solve the problem of dust removal, the crushing, lifting, hoisting and transporting equipment specifically comprises a crushing mechanism, a dust removal mechanism, a hoisting mechanism and a conveyingmechanism, the crushing mechanism comprises a material guiding assembly, a primary screening assembly and a crusher, the dust removal mechanism comprises a water tank placed on the ground, and an airpump fixed to the ground, the hoisting mechanism comprises four hydraulic cylinders plated on the ground and a lifting platform, and the conveying mechanism comprises a conveying frame placed on the ground and a belt conveyor. According to the crushing lifting, hoisting and transporting equipment, the air pump is arranged, and can remove dust at feeding, crushing and discharging places by suction,the working environment of workers can be greatly purified, in addition, gas with large amount of dust discharged by the air pump through a hard pipe is absorbed by the water in the water tank and then discharged into the atmosphere, the dust pollution to the atmosphere can be avoided, and the equipment is in response to the existing slogan of environmental protection of the government and enterprises.