165results about How to "Improve flushing effect" patented technology

The low temperature quick aluminizing agent specially for petroleum pipe and casing consists of metal source, activator, catalyst and stuffing. The metal source consists of 150-mesh Al powder in 10-20 wt% of the aluminizing agent, 120-mesh Zn powder in 10-25 wt%, 150-mesh Zn-Fe alloy powder in 10-20 wt% and/or 150-mesh Fe-Al alloy powder in 10-15 wt%. The activator consists of ammonium chloride, aluminum chloride, sodium fluoride and/or potassium bifluoride. The catalyst consists of 100-mesh Mo powder in 0-3 wt% and La and Os 0-3 wt%, with La and Os in the weight ratio of 1 to 1. The stuffing is 100-mesh alumina powder. The aluminizing agent is applied at 380-500 deg.c to obtain aluminized layer.

A well cementation flushing liquid system suitable for an oil-based drilling fluid and a preparation method thereof. The invention mainly solves the defects of low flushing efficiency, poor wetting conversion capability and poor interface cementing quality in the flushing liquids in the prior art. The flushing liquid system comprises the following components, by weight: 100 parts of clear water, 0.8-1.2 parts of an anionic surfactant, 0.6-0.8 parts of a nonionic surfactant, 0.7-1.0 part of a cosurfactant, 6.0-10.0 parts of an oil phase, 8.0-12.0 parts of a salt water phase, 0.15-5.0 parts of a polymer, 0.0-150 parts of a weighting agent and 1.0-2.5 parts of salt. The flushing liquid system is adjustable in density within 1.01-1.90 g/cm<3> and is 20-130 DEG C in available temperature range. The flushing liquid system can quickly remove residual oil-based drilling fluid, is strong in wetting conversion capability, ensures cementation between cement rings and an annular space, and is wide in application prospect.

This invention provides a designing method for anti-jam drop-fill douches including: 1, setting up a structure model of the runner of a douche to divide it into lattices and design the border condition of the computed regions, 2, applying CFD evaluator to compute the runner of the drop head, 3, getting the velocity of flow field and eddy distribution parameter and determining the position of low flow rate regions in the head runner and the decision factor for pressure energy dissipation, 4, finishing borders of the runner structure and changing the tooth structure to reduce brush of the tooth tine place and the back surface to the runner borders to strengthen the eddy structure of the flow field, 5, computing repeatedly and balancing flow field parameters in the front and back runners to decide the anti-jam ability of the douche and testing the flow-pressure relation of the douche to guarantee its water power performance.

The invention relates to an efficient electrode wire for precision mould cutting. The efficient electrode wire comprises a core material and a shell layer wrapping the surface of the core material, the core material is made of yellow copper from the processes of smelting, casting, stretching and annealing, the shell layer is a discontinuous shell layer formed by heating, continuously drawing and continuously annealing a zinc metal plating layer plated on the yellow copper core material, and the discontinuous shell layer comprises shell particles which radially cover 40-90% of the surface of the core material and are distributed at intervals along an axial direction of the surface of the core material. The invention further relates to a preparation method of the electrode wire. The preparation method is simple in production technology, strong in operability, less in preparation steps, simple in production equipment and easy to prepare satisfactory products and realize large-scale and automated production. The efficient electrode wire is strong in universality and is particularly suitable for precision mould cutting.

The invention discloses a tap hole stemming for a large-scale blast furnace and a preparation method. The stemming is composed of a binder and the following ingredients: by weight, 40-50 parts of brown aluminum oxide, 8-15 parts of silicon carbide, 6-12 parts of ferro-silicon nitride, 10-15 parts of clay, 6-9 parts of silicon powder, 2-5 parts of alpha-Al2O3, 6-10 parts of coke powder, 1-3 parts of graphite, and 4-6 parts of high-temperature pitch. The binder is tar. The preparation method comprises steps: according to the above ingredients and weight parts, raw materials are prepared, and mixed uniformly, then tar is added into the raw materials, the mixture is subjected to roller compaction and mixing to form a stemming material. The addition amount of the tar is controlled to make the Marshall value of the stemming material be 1100-1400 KPa, the stemming material is then subjected to pressing and molding to obtain final products. The prepared stemming is advantaged by good integrated performances, high intensity, small average hole size, good heat conductivity coefficient and good performances of resistance to slag and iron, corrosion and washing.

The invention discloses a regenerated pouring material used for swinging runner and prepared from waste slide plates. The pouring material comprises the following materials in parts by weight: 25-40 parts of waste slide plate particles, 15-25 parts of high-aluminum alumina, 10-20 parts of white corundum, 10-25 parts of silicon carbide, 5-10 parts of alpha-Al2O3 micro powder, 2-5 parts of zircon sand, 1-3 parts of silicon micro powder, 2-4 parts of calcium aluminate cement, 1-3 parts of metal silicon, 0.08-0.12 part of anti-explosion fibers and 0.05-0.15 part of an additive FS200. The preparation method disclosed by the invention is simple, easy to realize, capable of lowering cost of the casting material for the swinging runner by over 20%, saving excellent refractory raw material resources and effectively prolonging service life of the regenerated pouring material, and has remarkable economic and social benefits for improving environment and realizing resource recycling.

The invention discloses intensive integrated water purification equipment. The equipment is separated into five sections according to difference of water purification units, and the five sections are connected through flanges; and the equipment is provided with a mud collecting area, a primary flocculation area, an inner-cylinder clustering flocculation area/and an outer-cylinder sludge concentration area, a sludge separation area, an inclined tube sedimentation area, a backwashing gas distribution area, a filtration area, and a clear water area from bottom to top. The equipment is provided with devices such as an agitator blade used for particles to form agglomerated floc, a rotary gas distribution plate used for gas-water backwashing of a filter material, small-space spiral sloping panels used for concentrating sludge and the like; and the whole equipment is simple in structure, water purification functional units are compactly connected, the flat plane utilization rate is high, and the equipment is convenient to operate, can maximize the water purification function, and has important practical significance for medium and small water supply systems.

The invention provides a double-hole type sucker negative pressure drainage device which is suitable for large-area wound therapy in a human body or the body surface of the human body. The double-hole type sucker negative pressure drainage device comprises multi-hole wound dressing, an integral external sucker and a biological semipermeable membrane, wherein the integral external sucker comprises a sucker body, a sucker connecting membrane, a drainage outer pipe and a washing pipe, an attraction hole is formed in the bottom of the sucker body, a drainage channel and a washing channel are arranged inside the sucker body, and the sucker body is placed on the biological semipermeable membrane provided with a through hole; the sucker connecting membrane covers the sucker body, and a position, stretching out of the sucker body, of the sucker connecting membrane is pasted with the biological semipermeable membrane; the drainage channel is communicated with the drainage outer pipe, and the drainage pipe is connected with a drainage container and a negative pressure source; the washing channel is communicated with the washing pipe, and the tail end of the washing pipe is further provided with a sealing cover. The double-hole type sucker negative pressure drainage device has the advantages that the problem that the drainage outer pipe and the washing pipe are easily blocked is thoroughly resolved, negative drainage effects and washing effects are improved, and wound concrescence can be well promoted.

The invention discloses a clothes drying machine and a washing control method thereof. The clothes drying machine comprises a roller, a condensation device, an evaporator, a water receiving container, a water storage container, a cleaning device and a control device, the condensation device through an air inlet channel is connected with an air inlet of the roller; the import end of the evaporator through an air return channel is connected with an air return inlet of the roller; the water receiving container is used for receiving the condensation water; a water detection device is arranged inside the water storage container; a cleaning inlet of the cleaning device is connected with the outlet of the water storage container, the cleaning outlet is suitable for spraying water to the evaporator, wherein the cleaning outlet comprises a first cleaning opening and a second cleaning opening, and the cleaning device is provided with a control valve; the control device is connected with a water level detector and the cleaning device so as to control the opening and closing of the first cleaning opening and the second cleaning opening through the water level detector. The drying machine can detect the level of water condensation, different parts of the evaporator can be cleaned according to the detection information, the cleaning effect can be improved, the dander on the evaporator is cleaned, and heat exchange performance and drying efficiency are increased.

The invention discloses a self-cleaning method of an air conditioner heat exchanger and an air conditioner. The air conditioner comprises the heat exchanger and heating parts. The heating parts are arranged to correspond to the heat exchanger. The self-cleaning method of the air conditioner heat exchanger comprises the following steps that a self-cleaning control command is acquired and controlled, and a self-cleaning mode is executed; the rotating speed of a fan of the air conditioner is adjusted and/or the temperature of the indoor heat exchanger is reduced so as to enable the heat exchangerto be frosted; and when frosting is completed, the heating parts are started, and the opening degree of a throttle valve of the air conditioner is adjusted so as to defrost the heat exchanger. According to the technical scheme, the work stability of the air conditioner in the defrosting process is improved, and the self-cleaning effect is greatly improved.

The invention discloses a reorganization and expansion highway slope protection system which comprises a multistage slope body soil body (1), a thick-layer substrate (7), an anchor rod (4) and a coconut net (6). The reorganization and expansion highway slope protection system is safe and reliable and capable of reducing construction period, improves rain-washing-resisting capability and beautifies environment to solve the technical problems that a reorganization and expansion highway slope is poor in stability, not attractive, and prone to being washed by rain and damaged by falling rocks. The coconut net (6) is adopted to beautify the environment and can fix a slope toe, plants (5) on the thick-layer substrate (7) can improve the stability of the slope and improve the ecological protection effect of the slope, and the adopted anchor rod (4) can carry out reinforcing on the slope rope, and improves the stability of the slope.

The invention relates to a high-conductivity and high-tenacity composite wire which includes a core material and a surface metal layer. The alloy composition of the core material is (weight percentage): 59.0 to 65.0 percent of copper and 0.005 to 0.1 percent of other elements, the other elements include titanium, iron, silicon, tin, phosphorus, two elements in the rare earth metal, the content of unavoidable impurity is less than 0.3 percent and the rest is zinc, wherein, the content of lead, bismuth and antimony in the unavoidable impurity is less than 0.05 percent; the alloy composition of the metal surface layer is (weight percentage): 48.0 to 52.0 percent of copper, 0 to 0.4 percent of rare earth, 0 to 0.2 percent of silver, the content of unavoidable impurity elements is less than 0.3 percent and the rest is zinc. The mechanical property of the composite wire is improved, which is helpful to cut materials with high hardness and the cut materials have good surface smoothness; the washing effect during discharging is improved and the cutting speed and the surface quality of cutting workpieces are improved.

An integrated lightweight filter-material water treatment filter tank is characterized by comprising at least a water treatment unit. The water treatment unit comprises a tank. The tank is composed of a clear water area, a filtering area and a water inlet area which are communicated with each other through water-flow from the top to the bottom. Adjacent two areas of the above three areas are isolated through a filter board respectively. The filter board is provided with several water channels used for water flowing. The water inlet area has a water inlet used for receiving sewage to be filtrated. The filtering area holds several lightweight elastic filter material particles which have lower density than water. Particle size of the lightweight elastic filter material particles is greater than width of the water channels. After water-flowing, each lightweight elastic filter material particle forms a filter layer, and there is a gap between the filter layer and the lower filter board. The top of the clear water area is an overflow surface of clear water. The filter tank has advantages of good filtering effect, low backwashing requirement, high reliability, low cost, low operation cost, less land occupation and convenience in operation management.

The present invention discloses an auxiliary method and device for wire cut electrical discharge machining. The method comprises applying a magnetic field which is perpendicular to a machining direction and a wire electrode direction at the same time to a workpiece in a wire cut electrical discharge machining process. The device comprises a direct current excitation source and electromagnets. A discharge ion passage in wire cut electrical discharge machining is restricted and compressed through the applied magnetic field, and a lorentz force acting on the discharge ion passage and a lorentz force acting on a wire electrode are generated, so ion density of the discharge ion passage is raised, collision of charged ions in the discharge ion passage is intensified, discharge contact points of a working surface are increased, and a function of raising a material removal rate is achieved. Charged ion disturbances at surfaces of the electrodes are reduced through the magnetic field, stability of the discharge iron passage and discharge stability in wire cut electrical discharge machining are improved, and thus the surface quality of the manufactured workpieces is raised.

The present invention provides a rapid drying casting material for a blast furnace iron runner, and a preparation method thereof. According to the casting material, bauxite clinker, corundum, silicon carbide powder, corundum powder, and alumina micro-powder are adopted as main materials, a binder and explosion-proof fibers are adopted as auxiliary materials, the bauxite clinker, the corundum and the silicon carbide are subjected to material preparing according to a certain ratio, and added to a mixer to carry out stirring mixing, then the explosion-proof fibers prepared according to a certain ratio are added to the mixer to stir, the corundum powder and the alumina micro-powder are added to mix, the binder is added to mix the powder, uniform mixing is performed, the mixed rapid drying casting material is filled into a moisture-proof package bag, and the bag is sealed and placed in a dry place. Compared with the rapid drying casting material in the prior art, the rapid drying casting material of the present invention has the following advantages that: the preparation method is simple, rapid construction, rapid baking and rapid iron discharging can be achieved, characteristics of good rapid drying explosion-proof performance, good slag iron erosion resistance, and good thermal shock stability are provided, material cost is reduced, the iron runner construction and maintenance time is shortened, the blast furnace utilization coefficient and the yield can be effectively increased, and a service life of the iron runner casting material working layer can be prolonged.

The invention provides a steel wire rope oil stain cleaning device for a fixed winding headstock gear. The device comprises a bracket, a deoiling mechanism and an oil coating mechanism; the deoiling mechanism comprises an upper arc-shaped housing, a lower arc-shaped housing and a small hot-air blower; the upper arc-shaped housing and the lower arc-shaped housing can be buckled together to form a hollow round tube; a first telescopic supporting leg and a second telescopic supporting leg are arranged on the outer side of the lower arc-shaped housing; a ventilating pipe penetrating through the upper arc-shaped hosing is arranged on the outer side of the upper arc-shaped hosing; the ventilating pipe is connected to the small hot-air blower through a hose; the oil coating mechanism comprises a left oil coating pipe and a right oil coating pipe; oil pushing pistons sleeve the left oil coating pipe and the right oil coating pipe. According to the device provided by the invention, oil stains on the outer side of a steel wire rope are treated by adopting two treatment modes: mechanical cleaning and heating cleaning, so that the cleaning effect of oil stains on the surface of the steel wire rope is improved, and meanwhile, the oil coating mechanism arranged on the device can coat oil to the steel wire rope within a first time once the oil stains are cleaned.

The invention provides a high overload ablation resistant EPDM (Ethylene-Propylene-Diene Monomer) elastic heat insulation material which is prepared from 100 of EPDM, 15 to 20 of aromatic polyamide organic fiber, 5 to 12 of inorganic fiber, 12 to 25 of a silicon dioxide strengthening agent, 3 to 5 of zinc oxide, 5 to 15 of a petroleum based softener, 5 to 20 of an ammonium salt flame retardant, 10 to 30 of deca-brominated diphenyl ether, 5 to 15 of antimonous oxide and 2 to 4 of a peroxide vulcanizing agent, wherein the aromatic polyamide organic fiber is aramid fiber or heterocyclic aramid fiber; the inorganic fiber is asbestos fiber or ceramic fiber; the petroleum based softener is one of liquid paraffin and naphthenic oil. The high overload ablation resistant EPDM elastic heat insulation material is excellent in overload ablation resistance and relatively high in mechanical property and processing property, is applicable to the requirement of a high overload engine for the erosion resistance of an inner heat insulation material; therefore, effective heat insulation is guaranteed, the thickness of a heat insulation layer can be reduced, and the packing factor of the engine is increased.

The invention discloses a novel round brush and a high pressure cleaning machine with the same and belongs the fields of cleaning equipment auxiliary parts and machines. The round brush comprises an upper sprayer and a lower sprayer which are mounted fixedly and integrally and which form a spraying cavity; the lower sprayer is fixedly provided with a brush disc provided with a plurality brush hairs, and the brush disc is provided with a plurality of water discharging holes among the brush hairs; the lower sprayer is connected to a water incoming pipe, and the water outlet of the water incoming plate extends into the spraying cavity; the upper sprayer is provided with an air incoming channel communicating with the spraying cavity, and a pressurizer pressurizing the air flow entering the spraying cavity is arranged between the air incoming channel and the water outlet of the water incoming pipe and is located in the spraying cavity. The round brush has the advantages that energy and water are saved, the brushing effect is fine, a vehicle can be protected and the service life is long, and the round brush is widely applied to vehicle washing.

The invention discloses a method for cleaning an external tubular membrane for deeply treating waste incineration leachate. The method comprises physical cleaning and chemical cleaning, wherein the physical cleaning comprises clear water cleaning, individual gas cleaning, gas-water mixed flushing and high-speed running water flushing, and a PLC (Programmable Logic Controller) system is adopted to control an external tubular membrane bioreactor to automatically switch among the states of running normally, cleaning physically and cleaning chemically. The individual cleaning link is additionally added, so that the damage to the tubular membrane, caused by frequently chemical cleaning operations, can be avoided under a condition that the membrane flux recovery efficiency is ensured, the service life of the membrane is effectively prolonged and the energy consumption of partial water pumps is saved; the PLC is introduced to automatically control the adding amount of chemicals during cleaning and reduce the waste; and a neutralization tank is additionally arranged to control pH value of the liquid after cleaning, prevent pollution of the discharged liquid after cleaning to the environment and achieve the environment-friendly effect. The invention also discloses a cleaning system using the cleaning method.

The invention discloses a cleaning device for aquatic products. The device comprises a cleaning cylinder and a roller; the roller is arranged in the cleaning cylinder in a rotational connection mode; water holes are uniformly arranged on the roller; a hollow circular seat is fixed at the bottom of the cleaning cylinder; the roller is rotatably connected to the circular seat; the bottom of the roller communicates with the circular seat; the circular seat communicates with an air inlet pipe; one side of the cleaning cylinder is equipped with an axial flow-equalizing pipe; in the cleaning cylinder, a negative pressure cover is arranged on the opposite site of the axial flow-equalizing pipe; a negative pressure wheel is arranged in the negative pressure cover in a rotational connection mode; and the negative pressure cover communicates with a water tank. Compared with the prior art, the scheme arranges the roller and the axial flow-equalizing pipe to realize a uniform flushing effect, and arranges the air inlet pipe and the roller to improve a cleaning effect and cleaning quality. In a cleaning process for the aquatic products, the air inlet pipe can continuously inflate cleaning water with air, and meanwhile, the aquatic products keep turning so as to raise a survival rate of the aquatic products.

The invention relates to a liquid level anti-blocking device for a chilling chamber of a gasification furnace. The liquid level anti-blocking device comprises a pressure taking pipe communicated with the chilling chamber and a flange type pressure transducer mounted at the outer end of the pressure taking pipe, wherein a flushing water ring is arranged between the pressure taking pipe and the pressure transducer; a through hole for communicating the surface of a film box of the pressure transducer with the pressure taking pipe is formed in the middle of the flushing water ring; a water inlet channel communicated with an external pipeline is formed in the side wall of the flushing water ring; a water outlet of the water inlet channel is formed in the end face of the flushing water ring on one side of the pressure taking pipe; a flushing water pipe, of which one end is connected with the water outlet formed in the end face of the flushing water ring, is arranged in the pressure taking pipe; the outlet end of the flushing water pipe is arranged in the pressure taking pipe leading to one side of the chilling chamber. High-pressure flushing water is led to one side close to the chilling chamber, so that settling of smudgy mediums can be prevented, the service life of a liquidometer can be prolonged, and the safety of gasification furnace running is improved.

The invention discloses a stemming for a super-huge type blast furnace and a preparation method thereof. The stemming comprises a bonding agent and the following components in parts by weight: 37-45 parts of brown aluminum oxide, 10-15 parts of clay, 6-12 parts of SiC, 10-16 parts of Si3N4-Fe, 10-12 parts of micropore additives, 8-12 parts of composite carbon materials and 4-6 parts of high-temperature asphalt, wherein the micropore additives comprise Si powder and alpha-Al2O3 powder, the composite carbon materials comprise coke dust and graphite, and the bonding agent is anthracene oil. The preparation method comprises the following steps of: proportioning the components in parts by weight, adding the anthracene oil after uniformly mixing the components, and carrying out grinding and mulling to form mud; and carrying out extruding and molding to obtain the stemming, wherein the adding amount of the anthracene oil is controlled to enable the Marshall value of the mud to be 1300-1500 KPa. The stemming prepared by utilizing the preparation method has the advantages that the comprehensive performance is good, the strength is high, the average pore size is small, the heat conductivity coefficient is relatively good, and the iron slag scouring resistance is good.

The invention relates to the field of quartz sand processing, in particular to a quartz sand surface dirt washing tank which can fully and completely wash a large number of quartz stones and facilitate recovery of the same. The quartz sand surface dirt washing tank comprises a cleaning box, a water outlet pipe, a valve, a mounting plate, a motor, a sealing ring, a first rotating shaft, a first gear, a transmission chain, a first bearing block, a second gear and the like; the mounting plate is fixedly connected to the outer wall of the cleaning box, and the motor is fixedly connected to the topface of the mounting plate; the first rotating shaft is in transmission connection with the output end of the motor and penetrates the sealing ring to extend to the cleaning box; the first gear is fixedly connected to the first rotating shaft and is located in the cleaning box; the water outlet pipe is fixedly connected with the cleaning box and is communicated with the same; the valve is fixedlyconnected with the water outlet pipe. By the arrangement, the quartz stones are washed fully and completely, and recovery of the quartz stones is facilitated.

The invention belongs to the technical field of medical treatment equipment and especially relates to a urinary surgery flushing device. Aiming at the problems that a water temperature cannot be controlled and flexibility is not good, the urinary surgery flushing device is characterized by comprising a bottom plate, wherein a box body is welded to the top of the bottom plate, a water tank is welded to the top of the bottom plate, a second water pump is welded to the top of the water tank, a second water inlet pipe is welded to an inner wall of a water inlet of the second water pump, one end far from the second water pump of the second water inlet pipe is communicated with the water tank, and a second water outlet pipe is welded to an inner wall of a water outlet of the second water pump. The urinary surgery flushing device disclosed by the invention can heat liquid according to different requirements, so that use comfortableness of the device is improved; a transmission rod and a stirring blade are driven to rotate, so that quick stirring and mixing are achieved, time is saved, and the work efficiency of the device is improved; the liquid can be sterilized, so that safety of the device is improved; the height of a spray pipe can be adjusted according to different requirements, so that flexibility of the device is improved.

The invention discloses a novel rubber tube wire cleaning device which comprises a shell. Partition plates are arranged in an inner cavity of the shell and further divide the inner cavity of the shellinto a washing bin, a drying bin and a roasting bin. The top ends of the two sides of the washing bin are fixedly connected with supports, and the supports are fixedly connected with a fixed shaft. The outer wall of the fixed shaft is movably connected with a spool. A rubber tube wire is wound onto the spool. First hydraulic cylinders are installed at the bottom ends of the two sides of the washing bin, and output shafts of the first hydraulic cylinders are fixedly connected with motor bins. Motors are installed in the corresponding motor bins. Output shafts of the motors are fixedly connected with washing pipes, and the outer walls of the washing pipes are fixedly connected with water inlet pipes. Washing sprayers are arranged at the bottom ends of the corresponding washing pipes. Secondhydraulic cylinders are installed at the bottom ends of the two sides of the drying bin. Output shafts of the second hydraulic cylinders are fixedly connected with a pushing plate, and the two sidesof the pushing plate are fixedly connected with mounting racks. The mounting racks are provided with drying rollers. Steam heaters are installed on the inner walls of the two sides of the roasting bin. A steering wheel is arranged below the shell, and a fixed base is arranged nearby the steering wheel. A take-up reel is installed on the fixed base.

The invention discloses a cleaning device for a shoe washing machine. The cleaning device comprises an outer drum, the outer drum is internally provided with a hidden hairbrush drum mechanism, the bottom of the outer drum is provided with a motor transmission mechanism, the motor transmission mechanism is connected with a turntable mechanism, the turntable mechanism is provided with a shoe rack hairbrush device, and the shoe rack hairbrush device is internally provided with a spraying pipe hairbrush device. The cleaning device can comprehensively clean fixed shoes, has a good cleaning effect and can also ensure the service life of the shoes.

The invention discloses an anti-plugging demister which comprises a demister body and flushing devices, wherein the demister body comprises a demister blade and a demister frame: and the flushing devices are arranged at two ends of the demister blade: the demister blade comprises an introduction section, a front baffling section, a rear baffling section and an eduction section; the demister blade has an asymmetrical structure; an included angle between the introduction section and the flue gas direction is 3-15 degrees, and the height of the introduction section is 0.15-0.25 times of that of the demister blade; an included angle between the front baffling section and the flue gas direction is 40-65 degrees, and the height of the front baffling section is 0.2-0.3 time of that of the demister blade; and an included angle between the rear baffling section is 25-40 degrees. The demister reasonable distributes the liquid drop gathering capacity by specially designing the geometrical shapes of the demister blades and ensures that the scaling degree is favorably matched with the flushing capacity. The demister can keep the surfaces of the blades clean, prevent the blades from scaling and plugging and maintain the normal operation of a gas desulphurization system.

The invention discloses an inertial centrifugal shoe rack device for a shoe washing machine. The device comprises a turntable mechanism, the turntable mechanism is evenly provided with a plurality ofshoe rack lower connecting pieces, shoe rack sliding rails are distributed at the two sides of each shoe rack connecting piece, a shoe rack upper connecting piece is arranged on every two shoe rack sliding rails, a shoe rack sliding block is arranged between every two shoe rack sliding rails, connecting rods penetrating through the shoe rack upper connecting pieces are arranged in the middles of the shoe rack sliding blocks, a shoe rack crossed connecting piece is arranged at the upper ends of the four connecting rods, the outer side portion of each shoe rack sliding block is provided with a shoe internal bracket, and a spring is arranged between each shoe rack sliding block and the corresponding shoe rack lower connecting piece; bristles are arranged at the upper portions of the shoe internal brackets. By means of the device, shoes are fixed and cleaned, the cleaning effect is improved, the device can also lift and fall, and therefore the disassembly and assembly of the shoes are facilitated; in addition, the water can be saved, and the use cost is reduced.

The invention relates to the technical field of refractory materials, in particular to a refractory material for a circulation system of an RH furnace and a method for preparing the same. The material comprises the following raw materials by weight percentage: 80 to 90 percent of magnesia, 5 to 10 percent of graphite, 2 to 6 percent of mixture comprising at least two of Ai, Si, SiC and B4C, and 3 to 4 percent of phenolic resin. The preparation method comprises the following steps of: (1) weighing up the raw materials; (2) mixing the raw materials; (3) forming a green body by a press; (4) drying the green body by a resistance furnace; and (5) mechanically processing the green body by a lathe. Compared with the prior art, by using the material, the capability of resisting the corrosion of the molten steel is improved, and the organizational structure of the product is also improved; by using the high-pressure forming method, particularly the isostatic pressing forming, the structure of the product is uniform and dense, brick work joints are reduced, the structural stability is improved, and simultaneously the assembly procedure is simplified; because the material is not fired at a high temperature, the energy consumption is lowered, the cost is saved, and the production period is shortened; and the quality and the service life of the product are improved, and because the material is chromium-free, the environmental pollution is reduced.

The invention aims to solve the problem that in the prior art, people inconvenient to move take a bath inconveniently, and provides a bath nursing bag. The bath nursing bag comprises a bag body, wherein the bag body comprises a bottom mat and a cover mat; supporting air sacs are arranged on the bottom mat, and communicate with each other through air passing pipes; an air inlet is formed in the bottom mat; the supporting air sacs communicate with the air inlet through the air passing pipes, and communicate with an air supply device through the air inlet; a plurality of water nozzles are arranged on the bottom mat, are located between the supporting air sacs, and communicate with a water inlet in the bottom mat through a water supply pipe; the water inlet communicates with the water supply device; the bag body is flexible and waterproof; the water supply pipe and the air passing pipes are flexible pipes; a draining opening is formed in the bottom mat; a draining channel is formed betweenthe supporting air sacs to communicate with the draining opening; and a warm wind inlet is formed in the bag body. Through the adoption of the bath nursing bag provided by the invention, people inconvenient to move can take a bath conveniently, so that improving the cleanliness of the human body is facilitated, heat quantity is not liable to dissipate, and people taking the bath can be warmer andmore comfortable.