579 results about "Glass wool" patented technology

The invention discloses an organic fiber AGM separator and application thereof, and belongs to the field of storage batteries. The organic fiber AGM separator comprises high-alkali glass wool, medium-alkali glass fiber, bi-component polyester fiber and slurry containing a nitrogen-doped reduced graphene oxide / lead oxide composite material, the nitrogen-doped reduced graphene oxide / lead oxide composite material is prepared by the following steps: uniformly ultrasonically dispersing graphene oxide, deionized water and absolute ethyl alcohol, slowly dropwise adding aniline, and ultrasonically stirring to obtain a mixed solution; and adding lead acetate powder into the mixed solution, carrying out ultrasonic stirring, hydrothermal reaction, washing and freeze drying, and carrying out pyrolysis in a rare gas atmosphere to obtain the nitrogen-doped reduced graphene oxide / lead oxide composite material. After being prepared into slurry, the AGM separator substrate is coated with the slurry, and then acid leaching and curing are carried out; the material has excellent dendritic stabbing resistance, and the service life of the storage battery is prolonged.

The utility model discloses an automatic feeding and conveying device for glass wool processing, which belongs to the technical field of glass wool processing and comprises two mounting plates and a conveying belt arranged between the mounting plates and used for conveying glass blocks in the glass wool processing process. A vertical frame communicated with the box body is installed on the vertical side face of the box body, a motor is installed at the top end of the vertical frame, a two-way lead screw inserted into the vertical frame is installed at the output end of the motor, the periphery of the two-way lead screw is sleeved with two sliding blocks, and second rotating motors are installed on the vertical side faces of the two sliding blocks. The output ends of the two second rotating motors are sleeved with mounting rollers through rotating rods, brushes are bonded to the peripheries of the two mounting rollers, and an inclined frame is fixed to the bottom end of the box body. According to the automatic feeding and conveying device for glass wool processing, dust and chippings on the surfaces of glass blocks can be conveniently collected and cleaned, and the use efficiency is improved.

The invention relates to the field of steam pipeline production, in particular to an aerogel steam pipeline production line. The aerogel steam pipeline production line comprises a steel pipe body and a rail, and a steel pipe moving mechanism, an aerogel felt glue brushing and coating mechanism, a ceramic fiber aluminum foil blanket glue brushing and coating mechanism, a glass wool glue brushing and coating mechanism and an adhesive tape binding mechanism are further sequentially arranged in the direction of the rail. According to the device, the aerogel felt, the ceramic fiber aluminum foil blanket and the glass wool can be automatically wrapped, automatic adhesive tape binding can be achieved, and the production efficiency is greatly improved.

The embodiment of the invention provides a prefabricated heat preservation pipeline, and relates to the field of heat preservation pipes. The prefabricated heat preservation pipeline comprises a working steel pipe, the outer side of the working steel pipe is sleeved with an outer sleeve steel pipe, supporting bases are arranged at the two ends of the working steel pipe, and the working steel pipe supporting bases and the outer sleeve steel pipe form a closed bin. The ultra-fine glass wool felt with the thickness of 250 mm is used, the heat preservation interlayer is subjected to gas replacement, air is replaced with carbon dioxide, the heat preservation effect is remarkably improved, glass wool is adopted as a heat preservation material, cost is saved, the supporting seats made of hard polyurethane foam are arranged at the two ends of the pipeline, and the heat preservation effect is improved. And a sealing bin is formed among the outer sleeve steel pipe, the supporting seat and the working steel pipe, so that the stability and the sealing performance of the structure are enhanced.

The utility model discloses a flame-retardant cable, and relates to the technical field of cables. The cable comprises an inner sleeve layer, a plurality of wire cores are arranged in the inner sleeve layer, a first filling cavity is formed between the inner sleeve layer and the plurality of wire cores, and the first filling cavity is filled with rock wool; the flame-retardant layer is arranged on the inner sleeve layer, the flame-retardant layer comprises two crosslinked polyethylene pipes arranged from inside to outside, a second filling cavity is formed between the two crosslinked polyethylene pipes, the second filling cavity is filled with glass wool, and a pressure reduction layer is arranged between the crosslinked polyethylene pipe located on the inner layer and the inner sleeve layer; the outer sleeve layer is arranged on the outer surface of the flame-retardant layer; the rock wool and the glass wool form an inner layer and an outer layer for flame retardance, the rock wool and the glass wool both have buffering and pressure reducing effects, the crosslinked polyethylene pipe, the pressure reducing layer and the jacket layer play a role in pressure resistance, pressure reduction and protection on the cable, and therefore the working stability of the cable is ensured.

The utility model provides a prefabricated overhead steam heat preservation elbow which is characterized in that a plurality of heat preservation layers are arranged outside an elbow steel pipe body, and the plurality of heat preservation layers are sequentially composed of an inner heat preservation layer, an inner isolation layer, a soft and hard double-material composite heat preservation layer, an outer heat preservation layer, an outer isolation layer and an outer protection layer from inside to outside; the soft and hard double-material composite heat preservation layer is composed of hard heat preservation materials and soft heat preservation materials, the hard heat preservation materials and the soft heat preservation materials are sequentially arranged in the axial direction of the elbow steel pipe body in a staggered mode, the hard heat preservation materials are shrimp joint elbows made of calcium silicate tiles, and the soft heat preservation materials are aluminum silicate, glass wool and nanometer aerogel felt which are filled between the adjacent hard heat preservation materials. In the axial direction of the elbow steel pipe body, the hard heat preservation materials and the soft heat preservation materials are sequentially arranged in a staggered mode, the design can effectively prevent the heat preservation layer from falling, deforming and shifting caused by pipeline expansion in the operation process, the overall strength and stability of the heat preservation layer are improved, and damage to the heat preservation layer caused by external collision is reduced.

The utility model discloses a metal surface mesh-woven reinforced heat-preservation sandwich board structure which comprises a metal panel, a metal mesh-woven reinforced heat-preservation sandwich board and a metal mesh-woven reinforced heat-preservation sandwich board, the utility model relates to the technical field of building materials, and adopts a sewing technology, namely a technology for integrally reinforcing mechanical strength by sewing and combining fiber bare cotton boards and glass fiber mesh cloth through various twisted threads such as basalt fibers and the like on fiber cotton boards such as rock wool, mineral wool, glass wool and the like wrapped by fabrics such as the glass fiber mesh cloth. A one-way annular chain-type continuous locking ring is adopted to penetrate and reinforce a plane material and a thermal insulation material into a whole, as the chain-type continuous locking ring generally has the characteristic of one-way loosening, continuous locking ring penetrating reinforcement can be carried out again in the opposite direction after one-way continuous penetrating reinforcement according to requirements, and finally the purpose that the plane material and the thermal insulation material are cut from any part of the thermal insulation material is achieved. The chain rings on the periphery of the cutting section are not loosened, so that the integrity of the whole insulation board is enhanced, and the insulation board is not easy to loosen.

The utility model discloses a stress wave sensor installation supporting structure, and relates to the technical field of sensor installation. Comprising a sensor body, a bonding layer is arranged on the outer side of the sensor body, and a heat preservation assembly is arranged outside the bonding layer; the heat preservation assembly comprises a protective shell, the bonding layer is located in the protective shell, a heat preservation cavity is formed in the inner wall of the protective shell, glass wool is arranged in the heat preservation cavity, polyurethane foam is arranged at the bottom of the glass wool, a plurality of electric heating pieces are arranged on the inner wall of the protective shell, and the multiple electric heating pieces are annularly arranged and located on the periphery of the bonding layer. The electric heating sheet can provide heat so that the bonding layer can be kept within a proper temperature range in winter. According to the utility model, through the arrangement of the heat preservation assembly, the bonding layer is prevented from becoming brittle, losing viscosity or reducing bonding strength due to low temperature, so that the normal work of the sensor body is ensured, the accuracy and the stability of stress wave measurement are improved, and reliable data support is provided for safety monitoring of large recreation facilities.

The utility model relates to the technical field of silencer devices, in particular to an efficient fan silencer, which comprises a fan silencer main body, a silencing core part of the fan silencer main body is as follows: a common limit type resistance-limiting composite wide interesting belt silencing body is arranged in the fan silencer main body and is formed by compounding a resonator and a resistive sound absorption ring made of resistive sound absorption materials, the cavity depth is 15cm, the agricultural thickness is 25mm, and the inner side of the fan silencer main body is provided with a plurality of through holes; the sound absorption coefficients of resonators with the punching rates of 06%, 1%, 12% and 2% within the frequency range of 125-400 HZ are all larger than 07, the resonance silencing body is matched with a glass wool integrated body (the density is 2 skgm, and the surface glass is combined with a steel plate net), so that the sound absorption coefficient of the resonance silencing body within the broadband range of 125-8000 Hz reaches up to more than 07, and the sound absorption coefficient of the resonance silencing body within the broadband range of 125-8000 Hz reaches up to more than 07. Meanwhile, the silencer made of a plurality of common-limit type limited-resistance composite wide interesting belt silencing body structures is adopted, and a good silencing effect can be obtained within a wide frequency range by selecting the combination of different plate thicknesses, perforation L diameters, different cavity depths behind the silencing perforated plates and the like.

The utility model discloses an environment-friendly building prefabricated wallboard which comprises a wallboard body and exterior structures arranged on the two sides of the wallboard body, the wallboard body is provided with a gypsum wall core, perlite layers are arranged on the two sides of the gypsum wall core respectively, gypsum boards are arranged on the outer sides of the perlite layers, ceramsite layers are arranged on the outer sides of the gypsum boards, and the ceramsite layers are arranged on the outer sides of the gypsum boards. And a glass wool layer is arranged on the outer side of the ceramsite layer. The wallboard body adopts the gypsum wall core, the gypsum wall core is light in weight, non-toxic and pollution-free, the perlite layers are arranged on the two sides of the gypsum wall core, the heat preservation performance and the wall hardness of the wallboard body can be improved, and the ceramsite layer arranged outside the gypsum board has the functions of heat preservation, heat insulation and high temperature resistance. The glass wool layer is arranged on the outer side of the ceramsite layer, the good sound insulation effect is achieved, the glass wool layer is adopted for the exterior structure, and the glass wool layer, the ceramsite layer, the gypsum wall core and the perlite are all natural materials and are environmentally friendly.

The utility model relates to a stainless steel glass fireproof door which comprises a door frame, a fireproof door body and a dust cleaning assembly, and the fireproof door body comprises a stainless steel door frame rotationally installed on the door frame and fireproof tempered glass installed on the stainless steel door frame. The fireproof tempered glass comprises a first glass layer, a fireproof heat insulation layer arranged on one side of the first glass layer and a second glass layer arranged on one side of the fireproof heat insulation layer, the fireproof heat insulation layer is specifically made of glass wool, and the dust cleaning assembly comprises a lifting structure arranged in the stainless steel door frame and a dust cleaning structure arranged on the front side of the fireproof tempered glass. A lifting motor drives a threaded rod to rotate, the threaded rod drives a threaded ring to move, the threaded ring drives a threaded block to move, the threaded block drives a dust cleaning plate to move, the dust cleaning plate drives a dust cleaning pad to ascend and descend, the dust cleaning pad cleans dust on the surface of fireproof tempered glass, a user does not need to conduct dust cleaning work repeatedly in a time-consuming and labor-consuming mode, and the working cost is reduced; the practicability is improved.

In one aspect, the present application relates to an acoustic component comprising acoustic damping material based on mineral wool and / or glass wool, wherein this acoustic component includes at least one Helmholtz resonator. In another aspect, the present application relates to a method for manufacturing an acoustic component according to the invention, comprising providing the acoustic damping material based on mineral wool and / or glass wool and incorporating at least one Helmholtz resonator into the acoustic damping material. Finally, a kit is described comprising acoustic damping material based on mineral wool and / or glass wool and at least one Helmholtz resonator, suitable for manufacturing an acoustic component according to the invention. Finally, the use of an acoustic component according to the invention or a corresponding kit for acoustic absorption, in particular for acoustic absorption in selected frequency ranges, is described.In particular, the acoustic components according to the invention are suitable for use in the vehicle sector.

The invention discloses a novel mold structure of a dry-type transformer pouring coil with multiple layers of air passages and a using method, and belongs to the technical field of dry-type transformer manufacturing. The mold comprises a base, an upper fixing plate, a lower fixing plate, an inner mold plate, an outer mold plate and an air channel plate, the inner mold plate is provided with a first air channel area and a third air channel area which are in radial symmetry and a second air channel area which is in linear symmetry, and a three-dimensional air flow network is formed by matching with air channel holes of an outer mold plate; the isosceles trapezoid air channel strips are inserted into the air channel grooves in a layered mode and fixed to a coil insulating layer through glass wool cloth, and the heat dissipation efficiency is improved. When in use, the die is connected with a square shaft of a winding machine to realize automatic winding, the air passage strips are placed layer by layer, and the airflow smoothness is detected. Compared with a traditional layer type air channel, the structure has the advantages that the heat dissipation efficiency is improved, the temperature rise is reduced, modular assembly is achieved, gaps are flexibly adjusted, the structure is suitable for coils of different specifications, the production efficiency is improved, and the cost is reduced.

The invention relates to the field of thermal insulation materials, in particular to a thermal insulation microfiber centrifugal glass wool thermal insulation material and a preparation method thereof, and solves the problems that after acrylate in centrifugal glass wool is glued with glass fibers, gaps of the glass fibers are blocked, irregular gaps are few, and the thermal insulation and sound insulation performance of the centrifugal glass wool is reduced. The adhesive specifically comprises modified fiber cotton and a porous adhesive, and communicated micropores can be formed along a porous framework at 230-280 DEG C by using a pore-forming body in the adhesive; the special adhesive is prepared by adding the pore-forming body, so that not only is the bonding firmness between the glass fibers ensured, but also micropore channels are formed, the heat insulation and heat preservation performance of the glass wool can be enhanced, and no scraps are generated to cause harm to a human body.

The utility model relates to the technical field of heat insulation of heat distribution pipelines, in particular to a heat insulation device of a corrugated pipe compensator of an annealing furnace, which comprises a casing and a corrugated pipe positioned in the casing, a first fixing pipe is fixed at one end of the corrugated pipe, a second fixing pipe is fixed at the other end of the corrugated pipe, and first glass wool is arranged between the corrugated pipe and the inner wall of the casing. A length-adjustable support is arranged between the first fixing pipe and the second fixing pipe and supports the side, close to the corrugated pipe, of the first glass wool, port connecting pipes are fixed to the ends, away from each other, of the first fixing pipe and the second fixing pipe, extending holes are formed in the two ends of the shell, and the port connecting pipes extend out of the extending holes. The periphery of the port connecting pipe is sleeved with a sleeve, second glass wool is fixed between the inner wall of the sleeve and the outer wall of the port connecting pipe, and a baffle is fixed to the outer wall of the end, inserted into the shell, of the sleeve. The corrugated expansion joint has the technical effects that the corrugated expansion joint is subjected to heat preservation, and the service life of the corrugated expansion joint is prolonged.

The utility model belongs to the technical field of numerical control machine tools, and discloses a low-noise numerical control inclined turning structure which comprises a numerical control inclined turning machine body, a noise protection structure is arranged outside the numerical control inclined turning machine body, and a groove used for receiving cutting chippings is formed in the middle of a machine tool of the numerical control inclined turning machine body. The noise protection structure comprises a servo motor installed on the left side face of the numerical control inclined turning machine body, a worm fixedly connected with the output end of the servo motor and a rotating rod, the rotating rod penetrates through the numerical control inclined turning machine body, and the outer portion of the rotating rod is fixedly connected with a shielding cover. When the rotating rod rotates, the worm is driven to rotate, the worm gear meshed with the worm rotates along with the worm, then the rotating rod drives the shielding cover to rotate by 90 degrees to the top face of the numerical control inclined turning machine body, a working area is covered, the glass wool boards on the two sides of the inner wall of the shielding cover can effectively absorb noise, the influence of the noise on the surrounding environment is reduced, and a quiet working environment is created for operators.

The present invention relates to a thermal and / or acoustic insulation product for filling a building element comprising two facing walls forming a cavity, the product comprising blown glass wool forming flakes, the product comprising a hydrophobic additive, the hydrophobic additive being a branched and cross-linked organosilicon polymer compound, a median flake size being less than 20 mm.

The utility model discloses a sound-proof and fireproof light ship plate, which belongs to the technical field of sound insulation and fire prevention and comprises a plate body and glass wool. The rectangular groove is formed in one side of the plate body, the glass wool is matched with the rectangular groove and located in the rectangular groove, and glass fiber aluminum foil cloth is arranged on one side of the glass wool; according to the sound-proof fireproof light ship plate, the sound-proof layer painted on one side of the sound-proof fireproof light ship plate is matched with the sound-proof holes formed in one ends of the multiple positioning pins, so that the sound transmission path can be effectively absorbed and blocked, the sound-proof effect of the ship plate is remarkably enhanced, a more quiet and comfortable environment is created for the interior of a ship body, and meanwhile, the sound-proof fireproof light ship plate has a good sound-proof effect. And a plurality of limiting rings are mounted on the outer sides of a plurality of positioning pins, and are matched with limiting grooves formed in the glass wool, so that the position of the glass wool can be precisely limited, the glass wool is prevented from shifting or loosening in the long-term use process, and the overall durability and practicability of the sound-proof and fireproof light ship plate are better in use.

1. The name of the design product: loading and unloading device. 2. The use of the design product: loading and unloading rock wool or glass wool. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The utility model relates to a glass wool processing mode rapid switching device which comprises a rack, a material feeding end, a material discharging end, a material conveying device and a material conveying device, the second conveying mechanism is used for driving glass wool to be horizontally conveyed, the material feeding end is arranged at the rack, the end, away from the rack, of the second conveying mechanism is provided with an unwinding conveying mechanism used for obliquely and upwards conveying glass wool to the second conveying mechanism, and the side, away from the unwinding conveying mechanism, of the rack is provided with a crimping machine; a rolling conveying mechanism is arranged at the material leading-out end of the machine frame, a paper cutting mechanism is arranged on one side, close to the rolling conveying mechanism, of the machine frame, and the paper cutting device can adapt to rapid switching of various products with different lengths, different thicknesses and the like. Through the ingenious design and cooperative work of all the mechanisms, such as the rapid adjustment function of the lifting conveying assembly, the cotton pressing conveying mechanism and the like, switching from glass wool roll production to glass wool board production or among products of different specifications can be completed in a short time, and the product switching period is greatly shortened.

A process for decorative printing on the surfaces of panels for false ceilings and / or walls, in particular on panels made of fibrous, deformable, and porous materials such as rock wool, glass wool, and the like, which comprises, once the decorative graphics have been created and the necessary printing tests have been conducted, the following fundamental steps in the order shown: - preparation, if necessary, or chroming of the surface of the panel (3) to be decorated; - arrangement of the panel to be decorated (3) inside a jig (5), which is shaped to fit perfectly, on top of the surface of the printing bed of a UV printing machine; - treatment, if necessary, of the surface to be decorated by wiping with a microfibre cloth dampened with demineralised water; - performance of the UV printing.

The utility model discloses a low-friction heat insulation guide support and a power transmission device.The low-friction heat insulation guide support comprises two hoops, a nano-cotton layer, two glass wool pipe shells and a guide assembly.According to the embodiment of the invention, the nano-cotton layer is wound around the outer side wall of a steam pipeline, and then the nano-cotton layer is sleeved with the glass wool pipe shells; and finally, the nano-cotton layer and the glass wool pipe shell are clamped on the steam pipeline through the hoop, firstly, the nano-cotton layer can improve the wear resistance and corrosion resistance of the steam pipeline, improve the flowing characteristic of fluid in the pipeline and reduce energy loss, and the glass wool pipe shell has an extremely low heat conductivity coefficient, so that the heat conductivity coefficient of the steam pipeline is greatly improved. The heat loss of the pipeline during fluid conveying can be effectively reduced, so that the energy utilization efficiency is improved, and the service life of the steel bracket can be prolonged.

The utility model belongs to the field of heat preservation structures, particularly relates to a building energy-saving heat preservation structure, and aims to solve the problems that a plurality of L-shaped clamping blocks are connected one by one in the prior art, the connectivity between heat preservation structures is poor, and the integrality is low, and provides the following scheme that the building energy-saving heat preservation structure comprises a wall body, and a cement leveling layer is arranged on one side of the wall body; an adhesion layer is arranged on one side of the cement leveling layer, a plurality of expanded polystyrene boards are arranged on one side of the adhesion layer, second reinforcing layers are arranged on one sides of the expanded polystyrene boards, the same glass wool fireproof layer is arranged on one sides of the second reinforcing layers, a first reinforcing layer is arranged on one side of the glass wool fireproof layer, and a second reinforcing layer is arranged on one side of the first reinforcing layer. The building energy-saving heat preservation structure has the advantages that the building energy-saving heat preservation structure has remarkable advantages in the aspects of heat preservation performance, structural stability, crack resistance, waterproof performance, construction convenience, environmental protection sustainability and the like, and a new solution is provided for energy conservation and heat preservation of modern buildings.

The utility model discloses a multilayer composite enamel aluminum plate sound insulation and heat insulation structure which comprises a composite enamel aluminum plate body and installation lugs arranged on the two sides of the composite enamel aluminum plate body, and the composite enamel aluminum plate body comprises a base layer, a sound insulation layer, a heat insulation layer, a vacuum layer, a backing layer and a damp-proof layer. The composite enamel aluminum plate body is formed by compositing a base layer, a sound insulation layer, a heat insulation layer, a vacuum layer, a backing layer and a damp-proof layer. The weather resistance, the corrosion resistance and the structural strength of the enamel aluminum plate are improved by arranging the base layer, noise transmission can be reduced by arranging the sound insulation layer, meanwhile, the glass wool has good fireproof performance, so that the safety of the enamel aluminum plate is improved, the high-density glass wool can be recycled, and the cost is reduced. And the heat insulation layer is arranged, so that the heat insulation and durability of the enamel aluminum plate are improved.

The utility model discloses a cooling tower air duct with a noise reduction and flow guide structure, which comprises a mounting seat, a plurality of mounting holes are equidistantly formed in the edge of the top of the mounting seat in a surrounding manner, the top of the mounting seat is fixedly communicated with an air duct body, and a plurality of flow guide plates are fixedly connected onto the inner wall of the air duct body. A first silencing assembly is arranged on the inner wall of the air duct body. The mounting seat, the mounting hole, the air duct body, the guide plate, the first silencing assembly, the first silencing layer, the first sound insulation felt layer, the glass wool layer, the second sound insulation felt layer, the first silencing plate, the first silencing groove, the second silencing assembly, the silencing cover, the second silencing layer, the second silencing plate and the second silencing groove are matched with one another, so that a good silencing effect is achieved; and therefore, the practicability of the cooling tower air duct is greatly improved, and the market demand can be greatly met.

The invention relates to a silencing structure for a ventilation system of a performance hall, which comprises an air duct, a centrifugal glass wool board is arranged on the air duct, the outer wall of the air duct is coated with the centrifugal glass wool board along the circumferential direction, a silencing sheet is arranged in the air duct, and the silencing sheet is made by filling centrifugal glass wool in a pore plate. According to the technical scheme, the mode that the air channel is combined with the silencing sheet is adopted, most noise in the air channel is transmitted into the sound absorbing material through the pore plate, and the noise in the air channel can be eliminated by 90% or above.

The utility model belongs to the technical field of vibration reduction and sound insulation, and particularly relates to a sound insulation and vibration reduction structure of a step in a floating structure, which comprises floating structures, a sealing structure and a sound insulation and heat preservation layer, the sealing structure is mounted on the upper side of the floating structures, and a plastic anti-vibration sound insulation plate is arranged between the floating structures. The floating structure comprises a natural rubber vibration isolation and sound insulation cushion block, a stainless steel plate, a plastic film, floating concrete, a decorative layer, first glass wool and a lateral special plastic anti-vibration and sound insulation plate, and the rubber vibration isolation cushion block is arranged on structural floor slabs and steps of the structural floor slabs. Compared with a traditional floating building floor treatment process, the structure is simple, construction is convenient, the functions of sound insulation, vibration reduction, water prevention and heat preservation are considered, the vibration reduction and sound insulation problems of the step portion are solved, and the floating building integrity is guaranteed.

The invention relates to a natural gas sampling and pretreatment device, and belongs to the technical field of sampling devices. A sampling probe is connected with one end of a filter through a pipeline, and the other end of the filter is communicated with a water storage chamber through a pipeline; the other end of the water storage chamber is sequentially communicated with the dehumidification chamber and the desulfurization chamber; a dehumidification filter material and a desulfurization filter material are respectively arranged in the dehumidification chamber and the desulfurization chamber; screens are arranged at the inlet end and the outlet end of the dehumidification chamber. The other end of the desulfurization chamber is communicated with the sampling bottle, and the heating mechanism is used for heating the sampling bottle and controlling the temperature in the sampling bottle; and the sampling box is densely filled with glass wool. By arranging the dehumidification chamber and the desulfurization chamber, adsorption of natural gas components is avoided, and meanwhile hydrogen sulfide in natural gas can be adsorbed. The sampling bottle can be heated by winding the anti-explosion flame-retardant self-temperature-control heating tape outside the sampling bottle, so that the temperature of a sample is higher than a hydrocarbon dew point and a water dew point at any time, and natural gas condensation is prevented.

The present application relates to a low-temperature bimetallic liquid hydrogen spherical tank, comprising: an inner spherical tank, liquid hydrogen is stored in the inner space of the inner spherical tank; an outer spherical tank, the outer spherical tank is arranged around the inner spherical tank, and the inner spherical tank is contained in the cavity of the outer spherical tank; an inner support column, the inner support column supports the inner spherical tank to be suspended in the cavity of the outer spherical tank, and transmits the load of the inner spherical tank and the liquid hydrogen to the outer spherical tank; an outer support column, the outer support column supports the outer spherical tank; a pull rod, the pull rod is arranged between adjacent outer support columns; and a thermal insulation component, the thermal insulation component comprises: glass wool wrapped around the outer periphery of the inner support column; a multi-layer winding or aerogel arranged outside the inner spherical tank, the multi-layer winding is formed by alternately arranging a metal film with low emissivity and a spacer with low thermal conductivity; expanded perlite filled between the inner and outer tanks, and a PUF layer sprayed inside the outer spherical tank. The present application can be used for liquid hydrogen spherical tanks with a volume of 400m 3 -20000m 3 , greatly improving the hydrogen storage capacity.

The utility model relates to the technical field of production equipment, and provides a novel glass wool compression packaging machine which comprises a box body, a plurality of first fixing rods are fixedly connected to the outer surface of the box body, the first fixing rods are evenly divided into two sets, sliding rails are fixedly connected to the sides, away from the box body, of the two sets of first fixing rods, and the novel glass wool compression packaging machine further comprises two springs and a plurality of second fixing rods, the outer surfaces of the two springs are fixedly connected with push plates, the sides, away from the two springs, of the two sliding rails are movably sleeved with sliding rods, and the outer surfaces of the sliding rods are fixedly connected with connecting rods, so that compression and packaging of the glass wool can be achieved through one hydraulic cylinder, repeated purchasing of the hydraulic cylinder is avoided, and the capital investment is reduced; the automatic glass wool packaging machine has the advantages that the automatic glass wool packaging machine is simple in structure and convenient to use, reduces station service power, reduces compression and packaging cost, avoids the problem that packaging bags fall off when glass wool is not completely packaged, avoids manual packaging of staff, reduces labor force, reduces labor intensity and improves production efficiency.