59results about How to "Reduce ash" patented technology

The present invention is an apparatus for polishing a precision screw. The apparatus uses abrasive in a sealed container for polishing. Hence, the present invention can do precise polishing to obtain smooth surface of thread by removing tiny burrs with the abrasive.

The invention discloses a little-dust and low-metal friction material and a preparation method thereof. The friction material is composed of, by weight, binding agents, reinforced fibers, lubricating agents and filler, wherein the binding agents are composed of butyronitrile modified phenolic resin and butyronitrile rubber powder, the reinforced fibers are composed of aramid fibers, cellulosic fibers and steel fibers, the lubricating agents are composed of crystalline flake graphite and synthetic graphite, and the filler is composed of barite, friction powder, zircon powder and expanded vermiculite. The preparation method comprises the steps of batching, mixing, pressing, heat treating and machining. The little-dust and low-metal friction material and the preparation method thereof have the advantages that rusting does not occur easily, the braking noise is low, braking heat fading is reduced, wear resistance is higher and fall dust is little.

The invention relates to a coal blending method suitable for coal used in shell pulverized coal pressurization gasification. According to the method, coal of which the ash content is more than 21.08 percent is mixed with petroleum coke, and after the coal and the petroleum coke are uniformly mixed, the ash content in the mixture is less than 21.08 percent. The blended coal can improve the effective gas yield of tons of standard coal equivalent for shell pulverized coal gasification, reduce the oxygen consumption of the tons of standard coal equivalent and change CO and H2 components in effective gas to ensure that the effective gas is well utilized by an ammonia/alcohol co-production device, and also reduces the load of an ash and slag treatment device for a shell pulverized coal gasification device. By the method, inferior coal with high ash content in areas of Guizhou is effectively utilized, and the method has remarkably practical significance for stable, efficient and economic operation of pulverized coal pressurization gasification, has important social benefit for realizing the diversification of pulverized coal pressurization gasification raw materials and reasonably utilizing coal resources and meets the coal utilization requirement of pulverized coal pressurization gasification liquid slag-tap furnaces.

The invention provides a building mortar gelling material comprising (by weight percent) coal ash 60-70%, cement clinker 25-35% and addition agent 4-6%, the components (by weight percent) of the addition agent include carboxymethyl cellulose 15-25%, triterpenoid saponin 10-20%, calcium lignosulfonate 30-40%, methylphenylhydrazine hydrochloride 15-25%, and microcosmic salts 7-13%.

The invention discloses a floor-wiping and shoe-wiping dual-purpose machine, namely an electric floor wiping machine which can serve as a shoe wiping machine at the same time and has functions of sweeping, wiping and sucking. A storage battery supply is adopted, and cotton yarn brush rollers are used for wiping the floor, so that the machine integrates the functions of sweeping, wiping and sucking and achieves dry and wet double purposes. When the machine is used for wiping the floor, the brush rolls rotate back and forth in a rolling mode, swing left and right in a reciprocating mode and act in a mode that the height floats with topography; and wet tissues are used for wiping the floor indirectly, so that the machine is simple to operate and convenient for maintenance. When the machine is used for wiping shoes, the effect of induced air dust removal is promoted, so as to bring about benefits for air cleaning. The machine has the characteristics of reducing labor intensity, guaranteeing cleaning quality, improving working efficiency and reducing water and electricity consumption.

An even and rapid interlayer adhering method for carbon fiber heat-insulating hard felt is provided and belongs to the technical field of novel materials. According to the method, through adjusting an adhesive formula in a process of preparing carbon fiber laminated heat-insulating hard felt, interlayer adhesion is rapid and even, the using amount of an adhesive is reduced, construction using is reduced, even coating of the adhesive among layers is ensured, and product cracking, layering and dreg falling phenomena are reduced. After high-temperature treatment, the qualified rate of interlayer adhesion is 98% or above, ash dropping among layers is obviously reduced, crosslinking of resin carbon and fiber carbon is firmer, and the felt is cleaner during a hearth using period. Cracking and layering phenomena caused by unevenness by artificial coating are greatly reduced. Construction time for each square meter is reduced from original 10 min to 1 min, thus greatly increasing the working efficiency. Labor intensity of workers and operation inconvenience are reduced. Product strength and density are well ensured.

The invention discloses a method for conducting wall painting construction through mortar spraying. Spraying work is conducted through a mortar spraying machine, and wall painting construction is achieved. The method for conducting wall painting construction through mortar spraying is characterized in that in spraying, operation is conducted through a circulation spraying method of S-shaped movement from bottom to top; when the upper wall surface is sprayed, the gun holding angle is 35-45 degrees, and the distance between a nozzle and the wall surface is 30-45 cm; when the lower wall surface is sprayed, the gun holding angle is 70-80 degrees, and the distance between the nozzle and the wall surface is 25-30 cm; when the positions of door-window corners which have the distance with a door-window frame for no larger than 4 cm are sprayed, the gun holding angle is 30-40 degrees, and the distance between the nozzle and the wall surface is 6-10 cm; and when the wall surface located below a window is sprayed, the gun holding angle is 45 degrees, and the distance between the nozzle and the wall surface is 5-7 cm. According to the method for conducting wall painting construction through mortar spraying, the impact angle and speed of mortar on the wall surface can be effectively controlled, the binding force of the mortar and the wall surface is guaranteed, the coating life can be prolonged, and the physical properties of the mortar is intactly kept.

The invention relates to the technical field of medical instruments, and discloses a fixing device for puncturing of implantable venous access ports. The fixing device comprises a first slide rail arranged at the bottom of a sickbed; the first sliding rail is slidably connected with a sliding rod, the sliding rod is rotatably connected with a fixing pipe, a supporting structure is fixed to one side of the fixing pipe, the supporting structure comprises a connecting plate and two flat plates, and the connecting plate is connected with the fixing pipe; after the supporting structure rotates along with the fixing pipe, the outer surface of one flat plate can be flush with a sickbed. The fixing device further comprises a locking unit used for locking the flat plates on the side parts of the sickbed. According to the scheme, the supporting structure can support the arm of a patient, and a medical staff can conveniently carry out puncturing operation of the implantable venous access port onthe arm of the patient; the supporting structure and the fixing pipe can slide at the bottom of the sickbed along with the sliding rod, the medical staff can rotate the supporting structure to the left side or the right side of the sickbed according to puncturing requirements, and the fixing device is quite convenient to use, simple in structure and small in occupied space.

The invention relates to a low-alkaline accelerator and a preparation method thereof. The accelerator comprises sodium fluoride, thiocyanate, organic hydramine and mineral additive. The preparation method comprises the following steps: weighing all the components in proportion, putting the components into a mixing agitator, stirring and mixing the components uniformly so as to obtain the low-alkaline accelerator. The accelerator prepared by the method can be used for reducing dust, has strong adhesive strength, and also can be used for reducing falling ash.

The invention relates to a novel wind adjustable hair drier which comprises a body and a handle arranged on the bottom of the body. A switch is arranged on the handle, power lines are connected to the bottom of the handle, the body is provided with an air inlet and an air outlet, the air inlet is provided with a latticed fan cover, the air inlet is further provided with a movable wind shield plate which is formed by two rotatable semicircle plates, and the fan cover is arranged on the inner side of the body relative to the movable wind shield plate. The novel wind adjustable hair drier is simple in structure, through the fact that the air inlet is provided with the movable wind shield plate, the blast capacity and the temperature of wind blown by the hair drier during work can be adjusted, when the hair drier is not used, the movable wind shield plate can be closed completely to reduce dust entering the hair drier, and meanwhile the fan cover and the movable wind shield plate are adopted to prevent hair from being sucked into the hair drier from the air inlet to cause danger or damage when the hair drier works.

The invention provides a sidelight type backlight module which comprises a back plate, a light guide plate, at least one LED (light-emitting diode) bead and at least one LED reflector. The back plate comprises a bottom plate, a first side plate and a second side plate, wherein the first side plate is connected with the bottom plate, and the second side plate is opposite to the bottom plate and connected with the side plate. The light guide plate is arranged in the back plate, the at least one LED bead is arranged on the side edge of the light guide plate, and the at least one LED reflector is arranged on the upper side of the light guide plate and connected with the second side plate. Each LED reflector comprises an adhesive-providing area and a non-adhesive area, and edges of two ends of each adhesive-providing area are longitudinally bent inwards along the corresponding LED reflector to form flanging portions. After the whole module is covered by a front frame, components of the modules are closer in combination, the ash accumulation problem can be reduced, and the product service life is guaranteed to a great extent. Furthermore, the initial position for adhesion of each LED reflector can be controlled through the flanging portions of the corresponding LED reflector to meet the requirements on adhesion positions.

The invention relates to a cresylic reisn containing high wear resistance drum type brake pad and a manufacturing method. The brake pad is characterized by applying cresylic reisn as an adhesive, but not containing asbestos, cadmium, lead, mercury and a compound of asbestos, cadmium, lead and mercury and metal fibers. By reasonable transformation and combination of multiple component materials, the ceramic type brake pad is obtained; the temperature resistance of the ceramic type brake pad is higher than that of a brake pad made of pure phenolic resin and brake pads made of modified phenolic resin such as cashew nut shell liquid and butyronitrile; and furthermore, the cresylic reisn containing high wear resistance drum type brake pad has the characteristics of flexibility, low hardness and extremely high wear resistance.

The invention discloses a terminal heat dissipation structure and a heat dissipation control method, and the terminal heat dissipation structure is designed and comprises a heat dissipation wall whichforms a heat dissipation channel in a surrounding manner, a connecting part which is arranged in the heat dissipation channel and can extend and retract up and down, and a dustproof cover connected with one end of the connecting part. Wherein the dustproof cover abuts against the heat dissipation wall, and when the connecting part moves upwards, the dustproof cover is separated from the heat dissipation wall to form a heat dissipation opening. Therefore, the design of the dustproof cover is adopted; The dustproof cover can be moved upwards to form the heat dissipation opening for heat dissipation only when air cooling heat dissipation is needed, and the dustproof cover can abut against the heat dissipation wall when air cooling heat dissipation is not needed, so that the problem that dustenters the terminal due to the existence of the heat dissipation opening is greatly reduced, the service life of the terminal is guaranteed, and the user experience is improved.

The invention relates to an electronic cigarette which comprises a cigarette holder, a liquid storage cavity and an atomization device which are sequentially arranged from top to bottom, a smoke outlet is formed in the cigarette holder, an adjusting mechanism is arranged in the smoke outlet, and the adjusting mechanism is used for adjusting the diameter of the smoke outlet; according to the electronic cigarette, the adjusting mechanism is arranged, an annular piece can be rotated by rotating the cigarette holder, the guide column on the adjusting piece slides along the guide groove, the adjusting piece slides out of the sliding groove and forms a new round hole with a reserved fixing piece, the diameter of the round hole is smaller than that of the smoke outlet, and therefore the diameter of the smoke outlet is changed; the smoke amount is changed, so that the use experience of a user is better; by arranging the covering mechanism, when the electronic cigarette is used, a rubber ring and an elastic film are arranged in an annular containing groove, the cigarette holder is provided with the elastic part, the elastic part can be held by the mouth and is not prone to falling off compared with a metal part, and when the electronic cigarette is idle, the elastic rubber ring is pushed out with the hand and covers the surface of the cigarette holder, and the effect of preventing dust falling is achieved.

The invention proposes a stable and wear-resistant composite ceramic-based friction material, which comprises the following raw materials in parts by weight: 5-15 parts of mineral fiber, 15-30 parts of ceramic fiber, 3-12 parts of aramid fiber, cashew nut 10-20 parts of oil-modified phenolic resin, 5-8 parts of metal sulfide, 10-20 parts of anti-wear lubricant, 10-25 parts of friction performance regulator, 8-20 parts of filler; the mineral fiber is carbon/carbonized Silicon composite fiber material. The raw materials of the friction material proposed by the present invention are reasonably matched, can effectively stabilize the friction system, improve the fading, increase the friction life of the brake pad and the pair, and improve the comfort of the brake. At the same time, it has good heat dissipation performance and improves the wear life of the disc. , reduces the formation of cracks on the surface of the brake disc, and has no noise, less ash falling, high temperature resistance, and can be widely used in many fields.

The invention provides a building wall caulking gun. A gun barrel is fixed on a stock; the structure of the gun barrel is that a taper beak is molded at the front end of a cylindrical body; a beak opening is formed in the end part of the taper beak; a cylindrical body gap and a cylindrical body strip hole are formed in the upper part of the cylindrical body; a seal cover is formed at the bottom part of the cylindrical body; the structure of a caulking bag is that a tapered bag opening is formed in the front end of a cylindrical bag body; mortar is arranged in the caulking bag; the upper part of a pressure sleeve is fixedly connected with a hand handle; the hand handle is inserted into the cylindrical body strip hole; the right end of the spring is pressed on the seal cover and the left end of the spring is pressed on the pressure sleeve; the spring is inserted into the pressure sleeve in a sleeving manner; a switch block is hinged with a gun handle; one end of a torsional spring is fixed on the gun handle and the other end of the torsional spring props against the switch block; a plurality of pressure sleeve grooves are formed in the pressure sleeve; and the top end of the switch block extends into a bottom hole of a gun cylinder and props against the pressure sleeve grooves.

The invention provides a high-efficiency energy-saving LED switching power supply, and relates to the field of switching power supplies. The high-efficiency energy-saving LED switching power supply comprises a power supply shell, wherein protective covers are arranged on the two sides of the outer end of the power supply shell, an annular groove is fixedly connected to the outer side of the top end of the power supply shell, fixing protruding blocks are evenly arranged at the four corners of the bottom end of the inner side of the annular groove, second springs are fixedly connected to the middles of the bottom end of the inner side of the annular groove, the other ends of the second springs are rotationally connected with a circular plate, the bottom end of the circular plate is fixedly connected with a spring limiting ring, and the top end of the circular plate is fixedly connected with a connecting plate. By means of the connecting plate, a vertical plate, a joining plate and an inserting plate, the high-efficiency energy-saving LED switching power supply can be folded together when not in use, the dust entering possibility is reduced, a power supply body can be supported after the vertical plate is opened, direct current and alternating current can be output at the same time by arranging the two output heads, and finally under the action of a cross rod, the inserting plate and a groove plate, the function of preventing line winding is achieved.

The invention discloses a skirting line air conditioner indoor unit. The skirting line air conditioner indoor unit comprises a machine shell, wherein an air inlet is formed in the bottom of the machine shell, an air outlet is formed in the top of the machine shell, an air guide plate is rotationally connected to the position, located at the air outlet, of the top of the machine shell, a fresh airoutlet and an evaporator mist outlet are sequentially formed in the top of the machine shell and located on the two sides of the air outlet, an air supply duct is arranged in the machine shell, a filter screen is arranged at the bottom of the machine shell and located at the position of the air inlet, an evaporator is arranged at the position, close to the air inlet, in the air supply duct, through-flow fan blades are rotationally connected into the air supply duct, a heating assembly is further arranged in the air supply duct, and a drainage groove is formed in the position, located below theevaporator, in the air supply duct. According to the skirting line air conditioner indoor unit, the air supply distance is increased through the design of a new air duct and an air outlet mode, meanwhile, direct blowing towards a human body is avoided, and the overall heating effect and use experience are improved.