155results about How to "Increase contact surface" patented technology

The invention provides a multifunctional double-channel welding line ultrasonic testing scanner. The multifunctional double-channel welding line ultrasonic testing scanner comprises a whole sliding main supporting rod, a filter, a junction box, a handle, a digital encoder, a magnetic wheel set, two corresponding TOFD (Time Of Flight Diffraction) probe systems and two corresponding creeping wave probe supporting systems. The scanner has the advantages that firstly, the distance between transverse magnetic wheels is small to be applicable to adjusting a large-range curvature so that the scanner can be used for detecting an elbow welding line with a small diameter; secondly, after the upper-lower displacement of a probe bracket is increased, the scanner can be applicable to scanning butt welding lines of an elbow and large and small heads; thirdly, a probe wedge block is reduced so as to be more applicable to detecting an elbow welding opening; fourthly, a slope climbing probe is mounted so as to carry out once scanning on the dead zone of a scanning surface and improve the working efficiency.

Systems and methods for retaining camouflage material from the natural surrounding of a user. A device includes a retaining mechanism and at least two coupling mechanisms for attaching the device to the clothing, or person, of the user. Alternatively, the device includes elastomeric banding to attach a device to the user. The device includes a backing plate to provide tension across the retaining mechanism. The user immobilizes the camouflage material by inserting the camouflage material between the retaining mechanism and the clothing, apparel or person of the user.

The invention discloses a purifier supporting device convenient to move. The purifier supporting device convenient to move comprises a bottom plate. The left side of the lower surface of the bottom plate is fixedly connected with a first fixing plate. The right side face of the first fixing plate is provided with a first sliding groove. The first sliding groove is internally connected with a firstsliding block in a sliding manner. The right side of the lower surface of the bottom plate is fixedly connected with a second fixing plate. The left side face of the second fixing plate is provided with a second sliding groove. The second sliding groove is internally connected with a second sliding block in a sliding manner. According to the purifier supporting device convenient to move, due to the fact that a first motor is arranged, an output shaft of the first motor forwards rotates to drive a threaded rod to rotate, the threaded rod drives a nut to descend, the descending of the nut drives a movable plate to descend, the movable plate drives universal wheels to descend, when the universal wheels descend to make contact with the ground, people can directly push a handle to move the bottom plate, a purifier can be directly driven to move, time and labor are saved for people, and convenience is brought to people when people use the purifier.

The invention belongs to the field of oxidative desulphurization, especially to a preparation method and applications of an oxidative desulfurization amphiphilic catalyst. A preparation method of the oxidative desulfurization amphiphilic catalyst comprises the following steps: the oxidative desulfurization amphiphilic catalyst is obtained by loading an oxidative desulfurization catalyst on an amphiphilic catalyst carrier of a graphene modified mesoporous molecular sieve. The catalyst has a good emulsification effect, and helps to improve a desulfurization rate by increasing a contact surface of an oxidizing agent and a sulfide, with the desulfurization rate of 98% or more, and helps to make the sulfur content of fuel oil reduce to 10 ppm or less. The catalyst is used in oxidative desulphurization, is high in desulphurization efficiency and convenient to separate, and belongs to a green and energy-saving desulphurization technology.

A hazardous gas abatement system decontaminates an exit gas stream containing global warming gases using an electrical heater and a water scrubber. One or more top flow hazardous gas inlets introduce hazardous gases into a heater compartment. Air or oxygen is introduced into a separate chamber for dynamic oxidation and cooling. The streams are mixed and oxygen reacts with the hazardous gases. Solid particulates from the reaction are removed by a filter in a quick disconnect bottom chamber. Filtered exhaust gases flow upward in an exhaust chamber surrounding the heater compartment and through water spray scrubbers. A cleaning ring mounted on an eccentric rod cleans particles from the outside of the internal heater, and the inside of the external heater. An air cylinder drives the eccentric rod and cleaning ring down and up between the heaters and stores the ring above the gas inlets.

The invention relates to rotary contact socket and plug. A three-pole jack slide and a two-pole jack slide are arranged on a socket front housing, each jack slide comprises a jack and a narrow slide which are communicated, a horizontal electrode clamping spring is fixed in the front shell, and a rear cover is fixed on the front shell to form a housing. A three-pole cascade insert, a three-pole power lead jacket and a three-pole power lead are fixed on a three-pole plug; and a two-pole cascade insert, a two-pole power lead jacket and a two-pole power lead are fixed on the plug II. According to the rotary contact socket and plug, under the condition of reaching the rated load of the traditional socket and plug, the ultrathin structure is realized; after the pug is inserted into the socket, the plug is locked with the socket, the plug can not be vertically pulled out, no shaking exists between the socket and the plug, so that the socket and the plug can keep better contact for a long time; and the rotary contact socket and plug are safe in use and convenient for operation.

The invention relates to a cold compress cover which is used for cold compressing and cooling of a to-be-cold-compressed part of a patient. The cold compress cover comprises a waterproof attaching liner and an outer surface layer. The attaching liner and the outer surface layer are connected to from a sandwich layer of a sealed structure. The sandwich layer is provided with cooling media. The attaching liner is made of shape memory materials with recovery temperature close to temperature of human bodies. The attaching liner is of an initial shaped matched with the to-be-cold-compressed part. When the cold compress cover is used, the attaching liner can well attach to the to-be-cold-compressed part of the patient for the whole time, and large contact surface of the to-be-cold-compressed part and the cold compress cover can be kept. In addition, the cold compress cover is reusable and convenient for the patient to use, crushed ice is not needed, and the problems caused by the crushed ice can be avoided effectively.

The invention discloses a three-level multi-spray-pipe central ejector, which comprises a first-level multi-spray-pipe central ejector (1), a second-level multi-spay-pipe central ejector (2) and a third-level multi-spray-pipe central ejector (3), wherein the first-level multi-spray-pipe central ejector (1), the second-level multi-spray-pipe central ejector (2) and the third-level multi-spray-pipe central ejector (3) are sequentially connected with one another in serial along the flowing direction of main airflow, and an expansion joint (4) is respectively arranged between the first-level multi-spray-pipe central ejector and the second-level multi-spray-pipe central ejector and between the second-level multi-spray-pipe central ejector and the third-level multi-spray-pipe central ejector. The three-level multi-spray-pipe central ejector has the advantages of good pumping effect and convenience in machining and manufacturing.

The invention discloses a method for stripping ultra-thin glass from a bearing substrate for solving the problem that the rate of finished products is reduced as a result that the efficiency of stripping the ultra-thin glass from the bearing substrate in the prior art is relatively poor. The method disclosed by the invention comprises the steps: forming at least one tubular object on the bearing substrate, and/or forming at least one channel on the bearing substrate; forming an adhesive layer between the bearing substrate and the ultra-thin glass; introducing a stripping agent into the tubular object through an orifice of at least one tubular object and/or introducing the stripping agent into the channel through a channel opening of the at least one channel, wherein the introduced stripping agent is contacted with the adhesive layer; and after carrying out chemical reaction on the stripping agent and the adhesive layer, stripping the ultra-thin glass from the bearing substrate. According to the method disclosed by the invention, the efficiency for stripping the ultra-thin glass from the bearing substrate can be improved and the rate of finished products can be improved.

The invention discloses a high-power LED lamp based on a heat pipe for thermal conductivity and relates to an LED lamp. The prior high-power LED lamp has unsatisfactory heat transference and poor heat dissipation effect. The high-power LED lamp comprises an LED chip, a chip base, a heat dissipation device which is connected with the chip base and a light distribution device which is arranged on the chip base. The high-power LED lamp is characterized in that the heat dissipation device comprises a heat radiator and a plurality of heat pipes which connect the heat radiator with the chip base; and a plurality of inner grooves which are matched with the heat pipes are correspondingly formed on the chip base for containing the heat pipes, and a metal welding layer is arranged between the inner grooves and the heat pipes for connecting the chip base which is covered by the chip with the heat radiation device so as to form an integrated light source. The technical method has good heat conduction effect, rapid heat dissipation and reliable connection.

The invention discloses an automatic alignment lift valve comprising a valve plate and a cylinder, wherein the valve plate and a bin gate are opened and closed by the cylinder; the lower part of the cylinder is a cylinder rod which is connected with a ball connecting rod; the ball connecting rod and the valve plate are movably connected; the bin gate is provided with a valve seat; and a contact surface between the valve seat and the valve plate is arranged to be tapper. The valve plate of the invention can automatically align the valve seat in the falling process and has favorable sealing property and stable operation.

The invention relates to a waste water treatment device, specifically a waste water photocatalytic treatment device, comprising a treatment room, the two ends of the treatment room are water inlet and water outlet respectively, and the bottom of the treatment room has a drain; the treatment room is equipped with a plurality of ultraviolet lamps and A photocatalyst plate, the photocatalyst plate is corrugated, and the ultraviolet lamp and the photocatalyst plate are installed at intervals; one end of the photocatalyst plate and the ultraviolet lamp is fixedly installed on a fixed frame, and the fixed frame is installed in the treatment chamber and The junction of the water outlet chamber; the other end of the photocatalyst plate and the ultraviolet lamp point to the water inlet. In the wastewater photocatalytic treatment device provided by the invention, the oxidant solution and sewage can be fully mixed into the treatment chamber; the contact surface between the photocatalyst plate and water is increased, the water flow is buffered, and the catalysis time is increased. The reaction efficiency and sewage treatment effect are improved.

The invention discloses a load-bearing type four-bar linkage automatic deviation correction device. The device comprises a runway mechanism. The runway mechanism comprises rotary assemblies I, rotary assemblies II, carrier roller cross beams and a load-bearing cross beam. The carrier roller cross beams and the load-bearing cross beam are connected through a pair of the rotary assemblies I. Front-extending square tubes are disposed on the load-bearing cross beams and provided with the rotary assemblies II. The rotary assemblies II are provided with parallel extending sleeves. Supports are welded to the carrier roller cross beams, and carrier rollers are arranged on the supports. One end of each of parallel extending tubes is inserted into the corresponding parallel extending sleeve of the runway mechanism. Adjustable vertical roller linkage bars are inserted into an installation cavity where the other end of each of the parallel extending sleeves is welded. Dual vertical roller sleeve assemblies and detection vertical rollers are movably installed on the adjustable vertical roller linkage bars. The deviation correction device can conduct effective deviation correction on high-speed, large-capacity, long-distance and high-strength belt conveyers in the severe work environment, especially on large wide belts.

The invention discloses a grain seed sorting and processing device and method. The grain seed sorting and processing device comprises a hollow box body, a feeding hole is formed in the top end of thehollow box body, a first screen and a second screen are arranged in the box from top to bottom, the two sides are provided with a first air inlet and a first impurity removing opening respectively andare externally connected with an air blower and an impurity collecting box respectively; the second screen is obliquely arranged and corresponds to a first discharge port; a vibration mechanism comprises a supporting column, a first spring, a second spring and a vibration motor, the supporting column is sleeved with the first spring and is connected with the vibration motor, the first end of thesupporting column is connected with the screen, and the second end of the supporting column is connected with the box body through the second spring; a processing device comprises a conveying belt anda stirring box, the conveying belt is connected with the first discharging opening and the stirring box, a stand column is arranged at the bottom end of the stirring box, a first rotating shaft and astirring plate are transversely arranged in the middle of the stand column, the top end of the second rotating shaft is sequentially provided with a supporting plate and a second rotating shaft, anda spraying pipe is arranged on the side face of the second rotating shaft. According to the grain seed sorting and processing device, a full grain is screened by combining winnowing and vibration, rotating and dispersing the grains and spraying the liquid medicine, and then turning stirring to enable the liquid medicine to be more uniform.

A separation rotary drum in a vacuum pressure swing adsorption separator comprises an air inlet zone at the left end, a middle molecular sieve zone and an oxygen-rich collection zone at the right end. The separation rotary drum is characterized in that the air inlet zone comprises an air inlet pipe, a blowback air outlet pipe, an air inlet cover and an inlet air distribution disc, wherein the inlet air distribution disc is divided into an air inlet sector, an oxygen-rich air suction corresponding sector, a blowback air outlet sector and transition zones formed among the air inlet sector, the oxygen-rich air suction corresponding sector and the blowback air outlet sector. The middle molecular sieve zone comprises a molecular sieve drum, a driven wheel, a motor and a driving wheel, wherein the molecular sieve drum is divided into sectors different in shapes and identical to size with the center axis of the drum serving as the symmetrical axis, each of angles of sectors is omega, and rubber sheets with widths the same as sector separation plates of each sector are arranged at two ends of the sector and are 5mm-30mm long. The oxygen-rich collection zone comprises a nitrogen-rich exhaust pipe, a blowback air inlet pipe, an oxygen-rich air suction pipe, an air outlet cover and an outlet air distribution disc, wherein the outlet air distribution disc is divided into an oxygen-rich air suction sector, a nitrogen-rich air suction sector, a blowback air inlet sector and transition zones formed among the oxygen-rich air suction sector, the nitrogen-rich air suction sector and the blowback air inlet sector.

The invention relates to an ornamental attachment device that can be used in particular for flat surfaces, which includes a main body that has at least one ornamental sheet and one metal sheet joined to each other on one of the sides thereof, said main body being joined in a detachable manner to magnetic attachment means arranged on a surface to be decorated, supporting means fixed to the surface to be decorated having being provided on the ends of the main body such that said main body remains locked in position.

The invention relates to a bearing washing device and belongs to the technical field of methods using liquid or vapor to for cleaning. The bearing washing device comprises a rack and a cam, a fixing plate is hinged to a first vertical plate and a second vertical plate which are hinged to a supporting plate, a washing tank is connected on the supporting plate, a washing groove is formed in the bottom of the washing tank, one side of the washing groove is connected with a limiting block while the other side of the same is connected with an airbag, a micro motor is mounted in the washing tank, amicro fan is arranged at the output end of the micro motor and positioned in the airbag, and the airbag is provided with ventilation holes; a cylinder is connected on the rack, a piston slides in thecylinder, the top wall of the cylinder is connected with a switch device, the side wall of the cylinder is communicated with a nozzle, the cam can be abutted against the first vertical plate, a springis connected between the first vertical plate and the rack, and a convex end of the cam is connected with a connecting rod which is hinged to the piston. The bearing washing device realizes rotatingof a bearing and flowing of washing liquid, thereby improving contact between the bearing and the washing liquid and being good in washing effect.

A novel wire clamping disc includes a U-shaped pressing ring and a cover part which is inserted from two end parts of the U-shaped pressing ring. The end part of the U-shaped pressing ring is provided with a clamping part for clamping the cover part; the cover part is provided with a clamping groove for clamping a cable; two side walls of the U-shaped pressing ring are clamped with a base for supporting the cable; the base is provided with a groove for accommodating the cable; and the groove and the clamping groove are cooperated to clamp the cable. The problems in the prior art that two wires in the U-shaped clamping head have uneven stress, that the small contact area results in the easy hydrogen evolution corrosion or oxygen uptake corrosion, and that the potential safety hazard exists are solved, and the novel wire clamping disc with the uniform stress, larger contact area, firmer contact, and higher security is provided.

The invention discloses a calcium aluminate cement-corundum castable taking water-soluble calcium chloride as an additive and a preparation method thereof. In the method, a calcium aluminate cement-corundum castable is prepared by taking pure calcium aluminate cement as a bonding agent, adding water-soluble additives CaCl2 of different proportions and adopting an appropriate mixing process based on a common corundum castable. Due to the adoption of the calcium aluminate cement-corundum castable, the problem of difficulty in dispersing solid nanometer additive particles into a castable system is solved; and an added water-soluble precursor is uniformly distributed onto the surfaces of castable aggregate and fine powder in the form of ions, so that the contact area and distribution uniformity among an additive, the aggregate and the fine powder are greatly increased. A large amount of high-dispersity CA6 is generated in situ after the corundum castable prepared with the method is calcined at 1,450 DEG C, and a large quantity of fine gaps or cracks which are uniformly distributed are formed in a substance since flaky CA6 is only about 100 nanometers in thickness, so that the thermal shock resistance of the castable is improved.

The invention discloses a mica tape preparation method. The method comprises the following steps: 1) carrying out papermaking treatment on a suspension liquid of mica refined pulp to obtain mica paper; (2) bonding and pressing glass fiber cloth and the mica paper surface sticker prepared in the step (1) to obtain composite paper cloth, wherein, during bonding and pressing, the mica paper is in a wet state; and 3) carrying out squeezing treatment, drying and curing treatment on the composite paper cloth to obtain a target product mica tape. Compared with the traditional process, the preparationmethod disclosed by the invention is simple to operate; according to the invention, the glass fiber cloth with glue is directly embedded into the mica paper wet blank under external pressure to formmutual deep combination of the bodies, so that the contact surface of the composite material is greatly enhanced, the base material is more effectively reinforced, and the composite mica tape with better effect is obtained.

A disperse dye compound, and a preparing method and uses thereof are disclosed. The structure formula of the disperse dye compound is shown as a formula 1. The formula 1 is shown in the specification. A C.I. disperse red 1 dye is selected and subjected to a coupling reaction with a dicarbonyl chloride compound to prepare the disperse dye compound. When the disperse dye compound is used for dyeing of polyurethane fibre or polylactic acid fiber, washing fastness and sublimation fastness are obviously improved.

The invention provides a pure I type dynamic fracture test piece for hard composite material. The whole test piece is in a round disc shape, the upper surface of the test piece is parallel to the lower surface of the test piece, two platforms are arranged on the circumferential direction of the round disc, the two platforms are parallel to each other and have a same size, a through direct-groove type crack is arranged between the two platforms in the diameter direction and is symmetric with respect to the center of the round disc; and the platforms are perpendicular to the direct-groove type crake. The test piece is provided with a direct-groove type through crack, the expansion of the direct-groove type through crack can be directly guided so as to obtain a pure I type crack; parallel loading platforms are arranged in the circumstantial direction so as to assist the contact of the incident rod and the transmission rod and the propagation of stress waves, and effectively reduce the stress concentration; no new clamping tool or press rod is needed, and only simple clamping tools can meet the experiment reliability requirement.

The invention discloses a fishy smell removing and fresh keeping device for squids. The fishy smell removing and fresh keeping device comprises a crushing tank, wherein a feeding opening is formed inthe upper end of the crushing tank; an air pump is mounted on one side of the bottom end of the inner part of the crushing tank, and is connected with a collecting pipe; one end of the collecting pipepenetrates through the crushing tank, and is connected with a fishy smell removing washing tank through an air pipe; an air hole is formed in the upper end of the fishy smell removing washing tank; afilter screen is arranged in the fishy smell removing washing tank; a first motor is arranged under the fishy smell removing washing tank, and is connected with a stirring rod; stirring plates are arranged at the upper end of the stirring rod; circular holes are uniformly formed in each stirring plate; a motor is arranged under the crushing tank, and is connected with a rotating shaft; a coaxialhollow cylinder is arranged outside the rotating shaft; and the upper end of the cylinder is connected with one end of a fan-shaped surface, and the other end of the fan-shaped surface is connected with the filter screen which is connected to the crushing tank to form an inverted cone. According to the fishy smell removing and fresh keeping device disclosed by the invention, the crushing tank is arranged, so that the squids are thoroughly crushed, the squids can be in sufficient contact with fishy smell removing liquid in the fishy smell removing washing tank, and the fishy smell removing effect is improved; and the fishy smell removing and fresh keeping device is easy to operate, thorough in washing, good in fishy smell removing effect, and suitable for large-scale popularization.

The invention belongs to the technical field of novel cracking and recycling treatment of waste organic glass and particularly relates to a process and technological equipment for continuously cracking and recycling waste organic glass. A production process is characterized by comprising the following process steps of: treating waste organic glass; performing gas displacement; heating a heat transfer medium; and performing thermal cracking treatment. In the process, organic glass is heated and cracked by changing the heating mode of the organic glass with molten salt serving as a heat transfer medium. The molten salt does not undergo any chemical reaction with organic glass particles, and 'solid-in-liquid' is formed when liquid molten salt is contacted with solid organic glass, so that the contact surface is increased, uniform contact heating of the organic glass is facilitated and quick gasification is realized; and moreover, a continuous feeding and thermal cracking process method is adopted in the thermal cracking process, so that the production efficiency is effectively improved.

The invention relates to a steel strip reinforced polyethylene helically corrugated tube and a production method thereof. A steel screen is welded at the feet of a V-shaped steel strip, a polyethylene layer is wound and coated with the bent steel strip, and the outer part of the steel strip is coated with the polyethylene layer. The production method comprises the steps of (1) molding of an inner layer, (2) compression molding of the steel strip, (3) welding of the steel screen through the steel strip, (4) bending and winding of the steel strip with a steel wire screen, and (5) molding of an outer layer. The steel strip reinforced polyethylene helically corrugated tube has the beneficial effects that the steel strip has certain spring-back stress in the compression process, so that after the steel screen is welded to the steel strip, the contact area of the steel strip and the outer side of a polyethylene tube is increased, the adhesion strength is improved, the product yield is improved, the shape and quality of a product are stabilized, and the safety of the product is ensured.

The invention discloses a steam type bamboo softening device for bamboo floor processing, and relates to the technical field of bamboo floor processing. The steam type bamboo softening device for bamboo floor processing comprises a water tank, a cooking box is welded to the outer surface of one side of the water tank, a mounting plate is welded to the outer surfaces of the tops of the water tank and the cooking box, and a softening box is welded to the outer surface of the top of the mounting plate. According to the bamboo softening device, steam added into bamboo can be sprayed to the bamboomore uniformly, so that the situation that individual bamboo is not softened thoroughly due to non-uniform steam outlet is avoided, and the time required for softening is indirectly shortened, hot steam can be compressed through cooperative use of the hot air compression pump, the hot air pipe, the spray pipe and the air adding pipe. When the steam is compressed and sprayed, the softening pipe canbe driven to rotate when the steam is matched with the transition box, the rotating pipe and the fan blades, the contact surface of the bamboo and the steam can be larger, the time required for softening is further shortened, and the working efficiency of the device is improved.

The invention discloses a compression roller with a compression roller curve matched with a steel ring compression face, and a method for compressing a steel ring wrapping fabric. The method comprises the following steps of: firstly, designing a steel ring compression roller curve according to the shape of the cross section of a steel ring structure, wherein the steel ring consists of steel wires, a triangular adhesive tape and the wrapping fabric and is in the shape of a trapezoid, and the upper bottom and the inclined lines of the trapezoid consist of multiple sections of lines; secondly, placing the semi-finished steel ring on which the triangular adhesive tape is stuck on a station of a steel ring wrapper, and placing the steel ring wrapping fabric at the bottom of the steel ring according to a construction process requirement; and finally, opening an air pipe controlling and compressing valve, wherein under the action of certain air pressure, a novel compression roller curve clings to the steel ring wrapping fabric to roll and compress and compact the semi-finished steel ring and the steel ring wrapping fabric, exhaust air at the same time and overcome defects caused by internal clearances. The improved steel ring compression roller curve is adopted, so during rolling compression, the contact face between the compression roller and the steel ring is effectively increased, the problem of air bubbles in the steel ring is solved, and the quality of a tire is improved.

The invention relates to a steel wire rope for a nacelle and a manufacturing method thereof. The steel wire rope is in a seale type structure, the external surface of the steel wire rope is in a sector shape, and the steel wire rope comprises four upper strands and one synthetic fiber core, wherein the four upper strands are symmetrically twisted on the synthetic fiber core, and the sector surface is outward. The preparation method comprises the following steps: firstly, twisting a light-gage steel wire on one synthetic fiber core to form an initial lower strand, and sequentially and symmetrically winding a light-gage steel wire and a heavy-gage steel wire in a seale type on the outer layer of the initial lower strand to form the upper strand; then twisting four upper strands on one synthetic fiber core into a rope to form the product, namely, the steel wire rope for the nacelle; and extruding steel wire rope for the nacelle into a sector shape by two groups of orthogonal sizing tools during rope twisting. The four steel wire ropes with different shapes provided by the steel wire rope for the nacelle and the manufacturing method thereof of the invention have good rotation-resisting performance and basically realize no rotation of the steel wire ropes, a sector strand has a large contact surface with a pulley and good wear resistance, and by tightening a deformed steel wire rope, the breaking force is improved by one level compared with a round strand steel wire rope at the same level.

The invention discloses a fiber raw material opener. The opener comprises an opener shell and a preprocessing machine shell. The opener shell forms an opening cavity, the preprocessing machine shell forms a preprocessing cavity, the inlet end of the opening cavity is connected with the outlet end of the preprocessing cavity, a driven roller is arranged between the two inner walls of the opening cavity and located at the inlet end, a driving roller is arranged between the two inner walls of the opening cavity and located at the outlet end, a transmission chain is disposed between the driving roller and the driven roller in a sleeving mode, a conveying mesh belt is arranged on the transmission chain, a plurality of brads are arranged on the conveying mesh belt, a conveying belt is disposed in the preprocessing cavity, a feed hopper communicated with the preprocessing cavity is arranged on the left side of the upper end of the preprocessing machine shell, and a plurality of sprayers are evenly distributed in the preprocessing cavity and on the top above the conveying belt. The opener is simple in structure, wet fiber raw materials can be wetted conveniently, dust spread is avoided, tiny impurities can be adsorbed, raw material opening quality is improved, overall strength is high, and the opener is resistant to corrosion and oxidation.

The invention provides a multipoint floating supporting device, and relates to a rail supporting system. The multipoint floating supporting device solves the problem that an existing arc-shaped supporting system is only provided with supporting wheels in the vertical direction. Two roller assemblies are arranged on the inner side wall of an upper transverse frame and the inner side wall of a lower transverse frame of a supporting framework, the roller assembly on the upper transverse frame is connected with the supporting framework through two roller assembly fixing bolts and four roller assembly adjusting bolts, and the roller assembly on the lower transverse frame is connected with the supporting framework through two roller assembly fixing bolts and four roller assembly adjusting bolts. Two floating rolling wheel sets are arranged on the inner wall of a left vertical frame of the supporting framework, and each floating rolling wheel set on the left vertical frame is connected with the supporting framework through two floating rolling wheel set fixing bolts; two floating rolling wheel sets are arranged on the inner wall of a right vertical frame of the supporting framework, and each floating rolling wheel set on the right vertical frame is connected with the supporting framework through a floating rolling wheel set fixing bolt and two floating rolling wheel set adjusting bolts. The multipoint floating supporting device is used for supporting an arc-shaped rail.