124results about How to "Prevent suspension" patented technology

An ultrasonic levitation device having a fixed section and a movable section disposed to be movable relative to the fixed section, the fixed section or movable section having a vibration generating device disposed therein to generate ultrasonic vibrations, thereby allowing the movable section to levitate on a levitation surface, wherein all or part of a fixed section-side guide disposed in the fixed section is formed convex or concave in the levitation direction, while all or part of a movable section-side guide disposed in the movable section is formed concave or convex in the levitation direction, the movable section-side guide being opposed to and disposed on the fixed section-side guide.

The invention discloses a method for preventing and treating impact mine pressure through high-dipping super-high-seam mining roadway combined pressure relief. By implementing blasting pressure reliefon a roadway side and bottom corners, the stress concentration degree of a coal body around a roadway is decreased; and by implementing deep-hole blasting pre-cracking on a roof and floor rock stratum, a roof and floor can be collapsed in time along with working face coal caving, thus large-area roof and floor rock stratum suspension is prevented from being formed, the stress concentration degreeof roadway surrounding rock is decreased, meanwhile, strong vibration disturbance generated by sudden breaking of the roof and floor rock stratum is eliminated, and the risk that vibration induces the high-stress coal body around the roadway to generate the impact mine pressure dynamic disaster is reduced.

The invention discloses a terminal information recovering method. The method comprises the following steps: when a session information transfer instruction is received, acquiring current session information of a first terminal; and synchronizing the current session information to a second terminal in order to continually execute a current session through the second terminal. The invention also discloses terminal information recovering equipment and a computer readable storage medium. When the first terminal is about to be shut down, the session information of the first terminal is transferredto the second terminal in order to prevent the session information of the first terminal from being suspended or lost.

Disclosed is an agent for maintaining the surface temperature of molten steel, which is applied over the surface of molten steel that has a predetermined surface temperature. The agent for maintaining the surface temperature of molten steel contains two or more kinds of high melting point materials that have a melting point higher than the surface temperature of the molten steel, while containing 10-70% by mass of CaO, 10-60% by mass of Al2O3, 5-30% by mass of MgO and 0-10% by mass of SiO2 so that the total is not less than 70% by mass and the ratio of CaO to Al2O3, namely CaO/Al2O3 is 0.5-2.0. The agent for maintaining the surface temperature of molten steel has a melting point lower than the surface temperature of the molten steel, and is composed of a powder that contains particles having a particle diameter of 30-100 [mu]m in an amount of not less than 70% by mass.

The invention discloses a filtration structure for a dam. The filtration structure comprises a water stop block, a dam water collecting and draining ditch and an aggregate filtration layer with holes; the water stop block and the aggregate filtration layer with the holes are fabricated parts; the water stop block is in a horizontally-placed plate shape and is partially embedded in the dam; the dam water collecting and draining ditch is located at the exposed part of the water stop block; the aggregate filtration layer with the holes is located below the water stop block and is fixed on the surface of a back surface of the dam; the upper end of the aggregate filtration layer with the holes abuts against the water stop block; and the water stop block, the dam water collecting and draining ditch and the aggregate filtration layer with the holes extend in the length direction of a dam body and have the length equal to that of the dam body. The filtration structure for the dam is simpler in construction procedure, lower in cost and suitable for use in sudden dangerous situations of the dam, besides, a lot of garbage is consumed while the cost is reduced, the ecological environment is protected, the environment stress is relieved, and the structure has the certain social benefits.

The invention discloses a noise reduction fan. The noise reduction fan is technically characterized by comprising a shell and a wind generation device arranged in the shell, wherein the shell comprises an inner shell and an outer shell; the inner shell is arranged in the outer shell in suspension; a hollow cavity is formed between the inner shell and the outer shell; a silencer is arranged in the hollow cavity. As the inner shell is arranged in the outer shell in suspension, vibration generated in the inner shell by the wind generation device and transmitted to the outer shell is reduced, vibration generated by the outer shell is reduced, thus vibration between the outer shell and the ground is reduced, noise produced on the ground by the vibration of the outer shell is reduced and good noise reduction effect is achieved; meanwhile the silencer is arranged in the hollow cavity and is used for generating an inverted sound wave to eliminate the noise generated by the inner shell and caused by the vibration of the inner shell which is produced by the vibration of the wind generation device.

The invention relates to a medical flash dryer. The medical flash dryer comprises a main flash evaporator and a main rotating shaft arranged at the center of the bottom of a cylindrical tower body of the main flash evaporator, wherein a conical barrel body is fixed at the middle lower part of the main rotating shaft, a gap used as an air duct is formed between the bottom edge of the conical barrel body and the inner wall of the cylindrical tower body, a plurality of movable blades are movably connected to the bottom of the conical barrel body, when the conical barrel body rotates at a certain speed, the movable blades swing outwards under the action of centrifugal force, so that the materials which pass through the gap downwards are crushed, the air duct is prevented from being blocked by the materials, and the drying efficiency of the materials is improved.

The invention provides a water-based control elimination agent for diffusion of radioactive contamination dust and an elimination method, and relates to a control elimination agent. The elimination agent contains a mixed solution synthesized from a liquid component A and a liquid component B through dispersion, wherein the liquid component A is prepared from raw materials in parts by weight as follows: 40-65 parts of polymer emulsion, 15-30 parts of water, 0.8-1.5 parts of a film forming aid, 0.5 parts of a defoamer, 0.4 parts of a dispersant, 2.5 parts of an antifreeze, 0.6 parts of an anti-mildew bactericide, 0.6 parts of a rheolobic modifier and 1.2-2.5 parts of a multifunctional adjusting agent; the liquid component B is prepared from raw materials in parts by weight as follows: 5-15 parts of a water reducing agent, 1-5 parts of a desiccant and 1.5-6 parts of a temperature-sensitive volatilization aid. According to the water-based control elimination agent and the elimination method, suspension and migration of radioactive dust particles are effectively prevented, a dry film can be stripped and transferred manually and mechanically after the copolymer film is dried under the natural condition, and accordingly, thepurpose of clearing of field radioactive pollution is achieved, and the purpose of field environmental purification is realized.

The invention provides a particulate barrier material and application of the same to haze prevention, belonging to the field of respiration protection articles. The particulate barrier material comprises a cationic polymer which accounts for 0.1 to 10% of the mass of the particulate barrier material. The particulate barrier material has charges and can form a micro-electric protective layer; particulate matters repel macromolecular substances with the same kind of charges as the particulate matters, thereby preventing the macromolecular substances from passing through; the particulate mattersattract macromolecular substances with heterogeneous charges, so large particles are formed through coacervation, and the large particles settle down and are no longer absorbed by the body. The particulate barrier material can enhance the filtering effect of anti-haze materials and anti-haze devices and improve anti-haze effect. In addition, the particulate barrier material can be directly sprayedon the surface of a part in need of haze prevention, such as the face or various anti-haze devices, to produce effective anti-haze effect.

The invention refers to a device for removing floating material from a liquid, especially from sewage (2), with at least one sieve element shaped like a filter basket (4), for example, that in a front side has an inlet opening through which liquid can flow into the interior of the sieve element, and is equipped with a drive so the sieve element can rotate around a rotation axis. The invention suggests arranging a collection device (17) within the sieve element for collecting the liquid and/or floating material, in which case the collection device (17) is attached to a pumping-out device (20) for the liquid and/or the floating material. Another object of the invention is a process for removing floating material from a liquid, especially from sewage (2), in which case a sieve device is used that contains at least one sieve element that can be shaped like a filter basket (4), for example, and is equipped with a drive so it can rotate around a rotating axis. The process is characterized by the fact that liquid and/or floating material is collected with the help of a collection device (17) arranged within the sieve element for subsequent withdrawal from the collecting device (17) with a pumping-out device (20).

This invention discloses one circuit zone signal transmission method in mobile communication system suitable for double transmission mode mobile communication system, which uses set materials transmission needed circuit zone orders in set transmission status between mobile bench and network sides. This invention can realize set transmission status transmission circuit zone signals to avoided establishing CS signal channels material were to improve service quality.

The invention relates to a cleaning device (1), particularly a household cleaner. The cleaning device has a device shell (2) and a handle (3) arranged on the device shell (2) and used for a user to pull the cleaning device (1), wherein the handle (3) can swing from a resting position to a use position around a swing axis (4) arranged on the device shell (2) and conversely swing from the use position to the resting position. To provide the cleaning device with the handle which is braked in the use position without other action of a user and is unlocked when the handle is loosened, it is suggested that the handle (3) can be transferred to a locked position preventing swingback to the resting position through the gravity of the cleaning device (1).

The invention discloses an automatic flush toilet which comprises a toilet base and a water tank arranged on the toilet base. A toilet ring and a toilet cover are rotationally arranged on the toilet base, a motor is arranged on the side portion of the toilet base, a press block is arranged at the bottom of the toilet ring and connected with a switch part, a touch switch is arranged at the bottom in a cavity of the switch part, the toilet cover is provided with an infrared sensor, the touch switch is connected with the infrared sensor, the infrared sensor is connected with the control end of the motor, the toilet cover is provided with a rotating rod, the rotating rod is provided with a driven gear, a driving gear is arranged in meshed cooperation with the driven gear, and the driving gear is connected with the output end of the motor. Compared with the prior art, the automatic flush toilet has the function that the toilet is automatically covered with the toilet cover and flushing is conducted after the toilet is used, bacteria are prevented from suspending in air, and articles are protected against pollution.

The invention discloses a polyurethane foaming seat leftover material recovery device comprising a base, a longitudinal block is fixedly connected to the top of the base, a longitudinal rail groove is formed in one side of the longitudinal block, and a lifting block is slidably connected between the two sides of the inner wall of the longitudinal rail groove; and one end of the lifting block extends to the outside of the longitudinal rail groove and is provided with an extrusion device, a friction device and a driving device, the driving device is provided with a driving motor, and the invention relates to the technical field of plastic seat forming. According to the polyurethane foaming seat leftover material recovery device, the purpose of attaching to the surface of a seat to remove leftover materials on the surface of the seat is achieved, the treatment degree of the leftover materials on the surface of the seat is improved, omission of treatment of the leftover materials on the surface of the seat is eliminated, the cleaned leftover materials can be driven to move directionally, and the cleaning difficulty of the leftover materials is reduced; and the content of the leftover materials and chippings in air can be reduced, and the air quality in the working process of the polyurethane foaming seat leftover material recovery device is improved.

The invention relates to a three-stage protective screen ecological wall, and relates to the field of ecological environment engineering. The invention mainly adopts a technical scheme that the three-stage protective screen ecological wall comprises a first protective screen, a second protective screen, a third protective screen and a biomimetic wall body, wherein the bottom of the first protective screen is inserted into submarine mud, and the distance from the top of the first protective screen to the perennial low water level of shallow-water rivers and lakes is 10-20cm; the second protective screen comprises potamogeton crispus and water chestnuts; the bottom of the third protective screen is inserted into submarine mud, the top of the third protective screen is 30-50cm lower than the top of the first protective screen, a predetermined distance is reserved between the third protective screen and the first protective screen, and the second protective screen is arranged between the first protective screen and the third protective screen; the biomimetic wall body comprises a plurality of artificial water plants and a plurality of floating beds in predefined specifications; one end of each artificial water plant is connected with the top of the third protective screen, the other end of each artificial water plant is connected with the corresponding floating bed, and a plurality of floating beds float on the water surface. The three-stage protective screen ecological wall disclosed by the invention can reduce stormy waves of rivers and lakes, and can increase the transparency of water bodies at the same time.

The present invention belongs to the technical field of straw recycling and particularly relates to a straw recycling system. The straw recycling system comprises a recycling box, a discharge chute and filament splitting needles; a rear side wall of the recycling box is provided with two groups of squeezing rollers and besides the two groups of the squeezing rollers are symmetrically arranged about a bisector of the rear side wall of the recycling box; a rotating shaft of the squeezing roller positioned on a left side penetrates through the rear side wall of the recycling box and is in transmission connection with a driving motor; a driving circular gear is fixedly arranged on a rotating shaft of the driving motor; a rotating shaft of the other group of the squeezing roller penetrates through the rear side wall of the recycling box and is fixedly connected with a driven circular gear; and the driven circular gear and the driving circular gear are in meshed transmission, and a transmission ratio of the driving circular gear to the driven circular gear is one. Straws are subjected to extrusion, filament splitting, roughening, cutting and segmenting, thus the straws are treated into acoarse filament and segment structure which can be better dispersed when applied in cementing materials such as concrete, and besides, the treated straws have good blinding power to the cementing materials and can play functions of enhancing compression resistance and bending resistance of the cementing materials.

The invention relates to a reflective heat insulation coating. The coating is prepared from the following components in parts by mass: 10-20 parts of heat-reflecting and heat-insulating powder, 30-35parts of styrene-acrylic emulsion, 15-20 parts of rutile-type titanium dioxide, 10-15 parts of calcium carbonate, 2.5-5 parts of mica powder, 0.8-1.5 parts of an antifreeze agent, 1.5-2 parts of 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate, 0.3-0.5 parts of a thickener, 0.8-1.3 parts of a dispersing agent, 0.15-0.3 parts of a defoaming agent, 0.2-0.3 parts of a fungicide, 0.3-0.5 parts of a preservative and 13-25 parts of water. The reflective heat insulation coating can achieve better heat insulation effect, and the problems about color matching, construction, suspension, thickening, filmplumpness and the like can be solved.

The invention provides a radioactive nuclear contaminant diffusion migration moulding material and a moulding method and relates to the moulding material. The moulding material comprises a mixed solution which is formed by dispersion of a liquid ingredient A and a solid ingredient B, wherein the liquid ingredient A comprises, by weight, 35-60 parts of polymer emulsion, 20-35 parts of water, 0.6-1 part of coalescing agent, 0.5 part of defoamer, 0.4 part of dispersant, 2.5 parts of antifreezing agents, 0.6 part of mouldproof bactericide, 0.6 part of rheolobic modifier, 1.2-2.5 parts of multifunctional modifiers and 1-2 parts of chelating agents; the solid ingredient B comprises, by weight, 5-15 parts of water reducing agents, 3-8 parts of rapid drying agents, 1-3 parts of temperature-sensitive aid-volatile agents and 1.5-6 parts of aid-moulding agents. According to the moulding material, the solid ingredient and liquid ingredient are evenly and steadily dispersed in the mixed solution, so that organic con-dissolution of the solid and liquid is achieved, the problem of dispersion stability is solved, the mode that the solid and the liquid are mixed in using is transformed into the mode that the single mixed solution is used, the mixing time on site and stirring processes of an original moulding agent in using are saved, and the labor intensity of operating personnel is reduced.

The invention discloses an account checking method and device and a storage medium. The method comprises the steps that a payer task corresponding to payer providing a payment service is called, a channel transaction order generated in a predetermined time period is acquired from a payer, the channel transaction order is an order generated when the payer and a channel party conduct transaction, and the channel provides a payment channel for the payer; a channel party task corresponding to the channel party is called and a payment transaction order generated in a predetermined time period is acquired from the channel party, the payment transaction order being an order generated when the channel party and the payment party perform a transaction; account checking is performed on the payment transaction order and the channel transaction order; and reconciliation result information related to the payment transaction order and the channel transaction order is generated according to a reconciliation result.

The invention relates to a high-efficiency stable dust removal device for a coal mining machine, and belongs to the technical field of dust removal devices. The device comprises a base, universal wheels, a storage box, a mounting box, a driver, a water inlet, a disinfectant storage box, a connecting pipe, a boosting pump, a fixing pipe, an electric telescopic pipe, an atomizing nozzle, a grid partition plate and a dust concentration detector. According to the device, the atomizing nozzle converts water into water vapor to conduct dust falling on dust of a roadway space, the situation that a large amount of dust suspends in the roadway space or deposits on the wall of a roadway is avoided, coal mine workers are prevented from inhaling the dust for a long time, and the physical health of theworkers is influenced; the pressure of the boosting pump is adjusted through a programmable controller according to feedback of the dust concentration detector on the dust concentration, the mist spraying size of the atomizing nozzle is adjusted accordingly to achieve quick dust falling, the visibility is improved, operation errors are avoided, and the industrial accidents are reduced.

A rolling method according to one embodiment of the present invention may comprise: a rolling step for screwing down a supplied slab; and a heating step, performed prior to or during the rolling step, for heating the slab by placing a heater in the travel path of the slab immediately after a spot of the slab at which the height of the slab uniformly converges passes through the position of the heater in the travel direction of the slab, wherein the heater elevates or retains the temperature of the slab. A continuous casting rolling method according to another embodiment of the present invention comprises: a continuous casting step for producing a slab; a rolling step; and a heating step, wherein the heating step places a heater in the travel path of the slab immediately after the initial spot of the slab at which the height of the slab in the direction perpendicular to the travel direction of the slab begins to be constant passes through the position of the heater in the travel direction of the slab. In addition, another embodiment of the present invention suggests a continuous casting rolling device for performing the aforementioned method.

The invention relates to a riveted resistance element, comprising a resistance element body, a first bound edge and a second bound edge. The first bound edge is outside the resistance element body; and the second bound edge is outside the first bound edge. Compared with a prior art, the invention has advantages of reducing creepage distance, saving bound edge material, avoiding suspension potential and unsusceptibility to shedding of the bound edge, etc.

Disclosed is an agent for maintaining the surface temperature of molten steel, which is applied over the surface of molten steel that has a predetermined surface temperature. The agent for maintaining the surface temperature of molten steel contains not less than 50% by mass of a low melting point material that has a melting point lower than the surface temperature of the molten steel and less than 50% by mass of a high melting point material that has a melting point higher than the surface temperature of the molten steel, while containing 10-60% by mass of CaO, 10-70% by mass of Al2O3, 3-30% by mass of MgO and 0-10% by mass of SiO2 so that the total is not less than 70% by mass and the ratio of CaO to Al2O3, namely CaO/Al2O3 is 0.5-2.0. The agent for maintaining the surface temperature of molten steel has a melting point lower than the surface temperature of the molten steel, and is composed of a powder that contains particles having a particle diameter of 200-1000 [mu]m in an amount of not less than 70% by mass.

The invention relates to a multi-tower-plate stream distribution in-diffusion vertical plug-flow photocatalysis reactor. A modulator tube of a quartz socket tube is attached to the lining of the multi-tower-plate stream distribution in-diffusion vertical plug-flow photocatalysis reactor, the quartz socket tube is coaxial to the reactor, tower plates which are in a spiral rising shape and of which the axle is the quartz socket tube are arranged from the bottom to the top of the reactor, multiple catalyst trays are hung on the space between an upper tower plate and a lower tower plate, water inlets are formed at the lower portion of the photocatalysis reactor, and a water outlet is formed at the upper portion of the photocatalysis reactor. Through the coordination of the multiple spiral tower plates in the photocatalysis reactor and the catalyst trays which are hung between the multiple tower plates and are distributed in a spiral shape, the multiple spiral tower plates play an effect of guiding water streams, so that catalysts in the catalyst trays fully react with sewage, and thus the photocatalysis reaction efficiency is improved. The multi-tower-plate stream distribution in-diffusion vertical plug-flow photocatalysis reactor is simple and reasonable in structure, convenient to assemble and disassemble, is convenient to adjust and clean, low in operation maintenance cost, diversified in dirt removing variety, high in efficiency, stable in operation, simple in management, and is applied to treatment of various kinds of waster water.