60results about How to "No dust phenomenon" patented technology

The invention discloses a disc rotary-net dust removing machine. The disc rotary-net dust removing machine comprises a dust removal chamber which is connected with a dust-source exhaust pipeline, wherein the dust removal chamber comprises an intermediate primary dust removal chamber and two secondary dust removal chambers which are symmetrically arranged on the left side and the right side of the primary dust removal chamber. The upper end of the primary dust removal chamber is connected with a compressing device through a dust removal fan and a pipeline, an air outlet of the dust removal fan is connected with the compressing device, and an air inlet is communicated with the inside of the primary dust removal chamber. The disc rotary-net dust removing machine adopts primary disc filter dust removal and secondary rotary-net filtering and adopts a symmetric two-stage dust removal way, so that the dust removal effect is more thorough; moreover, the fibers can be more effectively separated from the dust, the fibers can be recycled in a concentrating manner so as to reduce the resource waste, the disc rotary-net dust removing machine is more environment-friendly, and a dustless working environment can be provided for the employees.

The invention discloses a novel brake pad and a manufacturing method thereof. The novel brake pad comprises a friction material and a steel backing. The friction material is prepared from, by weight, 5-12 parts of aramid pulp, 1-5 parts of aramid fibers, 5-20 parts of zirconia, 2-8 parts of graphite, 1-5 parts of petroleum coke, 0.5-4 parts of rubber powder, 2-10 parts of antimony sulfide, 5-15 parts of barite, 1-5 parts of friction powder, 5-15 parts of copper fibers, 2-10 parts of mineral fibers, 2-10 parts of mica, 5-10 parts of resin, 5-10 parts of potassium titanate and 1-8 parts of curing agent. The method includes the steps: (1) producing a friction material workblank by burdening, water mixing, prepressing for forming and primary thermal treatment; (2) subjecting the steel backing to shot blasting, and gluing the steel backing; (3) subjecting the friction material workblank and the steel backing to thermo-compression formation to obtain a brake pad workblank; (4) sequentially carrying out secondary thermal treatment, grinding, grooving, chamfering, sand blasting, silencer adhesion, accessory installation, checking, packaging and storing. High uniformity, high toughness, cleanness in production and transferring and high product uniformity are realized.

The invention discloses road cleaning equipment. The road cleaning equipment comprises at least a cleaning equipment body; a rotary disc is arranged below the cleaning equipment body; the outer sidesof the rotary discs are wrapped with cleaning brushes; a water outlet is formed in each rotary disc; a rotary shaft is inserted in the center of each rotary disc; one end of each rotary shaft penetrates through a driven belt wheel and is fixed on a bearing; a driving belt wheel is arranged on one side of the driven belt wheel; an annular belt is arranged between the driven belt wheel and the driving belt wheel; a reduction motor is arranged on an input end of driving belt wheel; a water inlet passage is formed in the rotary shaft; one end of the water inlet passage communicates with a water inlet pipe; one end of the water inlet passage is connected to a water storage tank; a water inlet is formed in the top of the water storage tank; and a buckle cover which is matched with the water inlet covers the water inlet. The road cleaning equipment is simple in style and novel in structure, and road cleaning work can be finished on the premise of avoiding dust raising phenomena.

The invention discloses a crusher. The crusher comprises a driving mechanism and further comprises a sieve barrel, wherein a plurality of sieve holes are formed in the side wall of the sieve barrel; the driving mechanism comprises a plurality of supporting rails fixedly connected with the outer side wall of the sieve barrel, a transmission mechanism, a motor and supporting wheels; the output end of the motor is connected with the transmission mechanism; the transmission mechanism is connected with the plurality of supporting wheels; the motor drives the supporting wheels to rotate; and the supporting rails drive the sieve barrel to rotate by the friction force between the supporting wheels and the supporting rails. The sieve holes are formed in the sieve barrel and the feeding speed is controlled; materials with uniform meshes can be sieved and the requirements of controlling materials respectively are met; the requirements of users can be met and continuous feeding and discharging can be realized; and the continuous production work is realized, the treatment amount is great, the working efficiency is high and the production efficiency is improved.

The invention discloses a glass product film pasting device capable of preventing dust mixing. The glass product film pasting device comprises a frame body. A conveying channel is arranged on the frame body. A drive rotating shaft and a driven rotating shaft which are parallel are arranged at the two ends of the conveying channel. Multiple bearing rods are arranged between the drive rotating shaft and the driven rotating shaft. The drive rotating shaft is sleeved with multiple annular rotating seats in the axial direction of the drive rotating shaft, and the driven rotating shaft is sleeved with multiple annular rotating seats in the axial direction of the driven rotating shaft, wherein the annular rotating seats on the drive rotating shaft correspond to the annular rotating seats on the driven rotating shaft in position, and multiple rotating seat pairs are formed. A conveying belt is wound around each rotating seat pair. The end portion of the drive rotating shaft is connected with a drive motor. A roller shaft, a dust removing wiper and a film pasting roller are rotationally erected above the conveying channel. The axial direction of the roller shaft is parallel to the drive rotating shaft. An operation interval exists between the dust removing wiper and the roller shaft. The dust removing wiper comprises a core body and a dust removing sleeve. The core body can be detachably sleeved with the dust removing sleeve. In the process that a glass product moves along with the conveying channel, the dust removing wiper is located between the glass product and a pasting film to be used for pasting, a glass surface to be pasted can be subjected to dust removing, and the purpose of preventing dust mixing is prevented.

The invention relates to the technical field of raw rubber mixing, an ionic internal mixer comprises a bottom frame, a mixing chamber, a pressure block, a hydraulic system, a first motor unit, a second motor unit and a control box, wherein the mixing chamber is disposed on the bottom frame; a support frame is provided on one side of the mixing chamber; the hydraulic system comprises a hydraulic cylinder disposed on the support frame, a hydraulic motor group and a hydraulic oil tank; one end of the pressure block is connected to a hydraulic cylinder, and the other end of the pressure block is sleeved in a mixing chamber; an extrusion wheel I, an extrusion wheel II, a shearing block and a cathode arc plate are arranged in the mixing chamber; the first motor unit is disposed on one side of the mixing chamber and connected to one end of the extrusion wheel I, and the second motor unit is disposed on one side of the mixing chamber and connected to one end of the extrusion wheel II; a cooling chamber is arranged at the bottom of the shearing block. The equipment is low in energy consumption, high in efficiency, environmentally friendly and beneficial to popularization.

The invention discloses a mechanical equipment stainless steel material polishing agent. The mechanical equipment stainless steel material polishing agent comprises, by weight, 5-10 parts of triethanolamine, 0.5-1.5 parts of surfactant, 7-11 parts of inorganic acid, 1-3 parts of sodium nitrite, 3-5 parts of hydrogen peroxide, 2-4 parts of a stabilizing agent, 5-9 parts of compound additives, 1-3 parts of nanometer silicon dioxide, 1-2 parts of nanometer zinc oxide, 0.1-0.3 part of a corrosion inhibiting agent and 40-50 parts of distilled water. The polishing agent has the beneficial effects of being good in polishing quality, convenient to use, high in efficiency and the like, is free of the powder dust phenomenon and is free of chromic anhydride type toxic substances in the polishing process, the requirement for the waste water treatment condition is lowered, the abrasive dispersity of the polishing agent is good, the composition stability is good, and the surface evenness and the micro spine phenomenon effect of polishing on a mechanical equipment stainless steel material are remarkable; and meanwhile the preparation method of the mechanical equipment stainless steel material polishing agent is low in material cost, raw materials are easy to obtain, the process is concise, and high practical value and good application prospects are achieved.

A full-automatic production device for refractory plastic materials belongs to the field of production devices for refractory materials and is characterized by comprising: a material preparing device, a material metering and dispensing device and a packaging device, wherein the three devices are connected successively to each other. The production device achieves full automation in production operation of the refractory plastic materials, reduces labor intensity of workers and improves production efficiency and quality. The production device is subjected to repeated design modification and test, is excellent in use effects and is suitable for being promoted in the field.

The invention discloses a special composite slag removing agent for beryllium aluminum alloy refining, a preparation method and a slag removing method. The slag removing agent comprises the followingcomponents in parts by weight: 30-50 parts of sodium tetraborate, 2-8 parts of AlB12 intermediate alloy, 2-5 parts of hexachloroethane, 7-10 parts of sodium hexafluorisilicate, 2-6 parts of sodium fluoroaluminate, 1-5 parts of sodium fluoride, 5-12 parts of potassium chloride, 6-13 parts of beryllium chloride, 2-5 parts of lithium chloride, 2-5 parts of sodium carbonate, and 1-3 parts of clay. Theslag removing agent achieves excellent high-temperature stability and reliability under the vacuum condition, and is excellent in adhesiveness after melting, high in spreadability, quick in slag collection, easy incrustation of slag skin and excellent in slag removing and refining effect. Through the synergistic effect of all the components, oxides in melts, magnesium-contained impurities and hydrogen achieve excellent slag removing and absorbing effects; and meanwhile, the slag skin can effectively cover the surfaces of the melts, so that the temperature loss can be effectively reduced, thesplashing of the melts is inhibited, and new melting slag and secondary oxidation are prevented.