88results about "Packaging corrosive chemicals" patented technology

An article containing an organic tin compound in an industrially usable container is provided, in which the container is sealable, and the part of the container in contact with the organic tin compound is made of stainless steel with a specific surface structure that has been electrolytically polished. This article makes it possible to store organic tin compounds with high reactivity while maintaining their purity for a long period of time.

The utility model relates to the technical field of chemical storage, in particular to an anti-leakage horizontal chemical storage tank which comprises a storage tank, a protection assembly is arranged at the bottom of the storage tank and comprises a bottom pipe, the bottom pipe is fixedly communicated with the bottom of the storage tank, and the bottom end of the bottom pipe is fixedly communicated with a first safety valve. According to the leakage-proof horizontal chemical storage tank, a protection assembly is additionally arranged, a first safety valve at the bottom of a bottom pipe is a discharging switch valve, a discharging pipe on the surface of one side of a connecting pipe is used for containing a solution during chemical production, a second safety valve at the bottom of a first connecting pipe is also a discharging switch valve, and when the leakage-proof horizontal chemical storage tank is used, the first safety valve is opened, and the second safety valve is closed; when the device is not used, the first safety valve is closed, the second safety valve is opened, if strong acid or strong alkali leaks, the strong acid or the strong alkali flows into the leakage containing frame from the second safety valve, the strong acid or the strong alkali cannot fall to the ground, damage to the ground or harm to personnel is avoided, and protectiveness and safety are improved.

This invention provides a method for storing fluoro-2-butene that minimizes the progression of isomerization reactions during storage. [Solution] General formula C4H x F y Fluoro-2-butene, represented by the general formula where x is between 0 and 7, y is between 1 and 8, and x+y is 8, may or may not contain at least one of chromium, molybdenum, iron, zinc, and aluminum as a metal impurity. This fluoro-2-butene is stored in a container with the sum of the concentrations of chromium, molybdenum, iron, zinc, and aluminum (in the case where it contains these impurities) being 1000 ppb by mass or less.

The present invention discloses an anti-collision type logistics box, comprising a box body, characterized in that a buffer plate is installed on the side of the box body, a buffer spring is installed between the buffer plate and the box body, and an expansion plate mechanism is provided at the bottom of the box body for increasing the contact area between the bottom of the box body and the ground. When the impact force applied to the box body is large and the buffer spring can no longer absorb the impact force, the buffer plate on the side of the box body moves toward the box body and presses the power-off button, the circuit in the electromagnet is de-energized, and the magnetic force between the electromagnet and the iron block disappears; at this time, the box body can slide relative to the base, so that under the action of the external impact force, the box body slides relative to the base, and the push block pushes the pressure plate located on the right side of the base to gradually move to the right, thereby extending the contact area between the right side of the base and the ground, reducing the situation where the box body is overturned by the impact force, resulting in leakage of dangerous goods in the box.

An article containing an organic tin compound in an industrially usable container is provided, in which the container is sealable, and the part of the container in contact with the organic tin compound is made of stainless steel with a specific surface structure that has been electrolytically polished. This article makes it possible to store organic tin compounds with high reactivity while maintaining their purity for a long period of time.

The embodiments described herein relate to chemically and mechanically durable glass compositions and glass articles formed from the same. In embodiments, the glass composition may include 74-78 mol. % SiO2; X mol. % Al2O3, wherein X is 5-7; alkaline earth oxide comprising MgO and CaO, wherein: CaO is 0.1-1.0 mol. %; MgO is 4-7 mol. %; and a ratio (CaO (mol. %) / (CaO (mol. %)+MgO (mol. %)) is less than or equal to 0.5. The glass composition may further include Y mol. % alkali oxide, wherein the alkali oxide comprises 9-13 mol. % Na2O and less than or equal to 0.4 mol. % of a fining agent. The glass composition may be free of boron and compounds of boron.

The utility model relates to the technical field of metering storage tanks, and discloses a heightened salpeter solution metering tank safety storage device which comprises an original solution metering tank body, a metering tank heightening section and a metering tank top cover, and the shape of the cross section of the metering tank heightening section is consistent with the shape of the cross section of the original solution metering tank body. The metering tank heightening section is fixedly connected to the upper part of the original solution metering tank body; the metering tank top cover is mounted at an upper port of the metering tank heightening section; a feeding pipe opening connected with a feeding pipeline is formed in the side wall of the metering tank heightening section, and a feeding valve is arranged on the feeding pipeline. The discharging pipeline and the heating pipeline are still kept in the original state and connected to the side wall of the original solution metering tank body, and pipeline opening and closing valves are correspondingly arranged on the discharging pipeline and the heating pipeline. According to the nitric acid metering storage tank, the height of the metering storage tank is increased, so that the nitric acid metering storage tank can meet the current and future production requirements, continuous and stable operation of production is facilitated, and meanwhile, the purpose of safe production is achieved.

The invention belongs to the technical field of concentrated acid tank replenishing, and relates to a ceramic filter concentrated acid tank with a protection function, which comprises a concentrated acid tank body, a connecting part and a liquid level meter, the connecting part comprises an upper thread part, a middle transition part and a lower flange part; the upper thread part is provided with an internal thread; the middle transition part extends towards the concentrated acid tank body; the interior of the middle transition part is of a hollow structure; the lower flange part is mounted on the reserved mounting flange; the top end of the liquid level meter is connected with an internal thread of the upper thread part, and the bottom end of the liquid level meter penetrates through the middle transition part and the lower flange part and then extends into the concentrated acid tank body; the liquid level meter is a corrosion-resistant capacitive liquid level meter; according to the device, accurate monitoring and linkage alarming of the upper limit and the lower limit of the liquid level are achieved, and the production safety and the intrinsic safety level are effectively improved.

The invention relates to a container (2) for storing a liquid (3), comprising a container opening and a closure means (12) designed to close the container opening. The closure means (12) consists of an electrically conductive material and is designed to dissipate electrostatic charges from the liquid (3).

Systems and methods are directed toward support structures for materials that include one or more flow passages to form a barrier between an inner wall of the support structures and the materials. The one or more flow passages may include ports or pores extending through a fluid-permeable material forming at least a portion of the support structure. A barrier fluid may be introduced at a first side of the inner wall and may be driven, such as using differential pressure, through the inner wall to from a barrier along a second side of the inner wall to reduce a likelihood of contact between the materials and the second side of the inner wall.

Pallet or load carrier (1) comprising a deck (3) with a base and at least two parallel longitudinal beams (5), wherein the longitudinal beams (5) are arranged below the deck (3) and connected to the deck (3), and wherein a protective wall (7) is provided on at least one side of the deck (3) which projects vertically beyond the deck (3). The pallet or load carrier makes it possible to store hazardous goods, such as lithium-ion batteries, and to protect them from mechanical damage, such as from the tines of a lifting device or a forklift.

The present invention relates to a protective padding for a storage box, in particular made of metal, such as aluminium, for hazardous materials, such as energy storage devices or energy converters, in particular a battery, an accumulator or a fuel cell, which has a body with four circumferential walls as well as a bottom wall and a lid wall, comprising a cuboid network of six interconnected padding sections, each facing a wall of the storage box, in each of which an electrically insulating and / or thermally insulating and / or moisture-absorbing and / or acid-resistant and / or intumescent insulating material is housed.

The invention discloses an m-xylylene isocyanate storage device which comprises a storage device, the top end of the storage device is detachably sleeved with a sealing plug, a circle of sealing strip adheres to the side face of the sealing plug, adsorption strips are integrally formed on the upper side and the lower side of the sealing strip, and an annular notch is formed between the two adsorption strips. The connecting corners of the two adsorption strips and the sealing strip are fixedly connected with spherical protrusions, and strip-shaped grooves are formed in the spherical protrusions at equal intervals in the circumferential direction. By arranging the sealing strip, the adsorption strip, the spherical protrusions and the strip-shaped grooves, when the sealing plug is pulled out by inclining towards one side in an inclined posture, contraction deformation can be conducted through the spherical protrusions at the corners of the adsorption strip and the sealing strip, so that local pressure caused by inclined pulling-out is dispersed and conducted to the adsorption strip and the whole sealing strip; the problems that the local sealing strip and the adsorption strip are stressed unevenly and deform permanently after being pressed are effectively avoided, and the safety of m-xylylene dimethyl isocyanate stored in a laboratory for a long time is ensured.

The utility model discloses a drip-proof storage bottle for low-concentration inorganic acid, which belongs to the field of chemical storage and comprises a bottle body, a bottle opening and a bottle cap. The bottle opening is formed in the bottle body and comprises an outer edge protruding ring and an inner edge protruding ring, the inner edge protruding ring is arranged in the outer edge protruding ring in a sleeved mode, and a containing groove is formed between the inner edge protruding ring and the inner wall of the outer edge protruding ring. The bottle cap can be matched with the end, away from the bottle body, of the bottle opening. When liquid in the bottle body is poured out from the bottle opening, the inner edge protruding ring serves as a guiding part to guide out the liquid, when liquid residues exist on the edge of the inner edge protruding ring, the residual liquid can slide to the containing groove between the inner edge protruding ring and the outer edge protruding ring along the outer wall of the inner edge protruding ring, and therefore the acid liquid can be effectively prevented from leaking to the bottle body in the using process; it is ensured that liquid cannot be splashed or leaked in the liquid pouring process, and a safer and more efficient experiment operation environment is provided.

The present invention discloses a storage device for isocyanate, comprising a storage device, wherein a sealing plug is detachably mounted on the top of the storage device, a sealing strip is pasted on the side of the sealing plug, an adsorption strip is integrally formed on the upper and lower sides of the sealing strip, an annular notch is formed between the two adsorption strips, a spherical protrusion is fixedly connected at the connecting corners of the two adsorption strips and the sealing strip, and strip grooves are equidistantly spaced and separated in the circumferential direction inside the spherical protrusion. The present invention provides a sealing strip, an adsorption strip, a spherical protrusion and a strip groove, and when the sealing plug is pulled out in an inclined posture by tilting to one side, the spherical protrusion at the corner of the adsorption strip and the sealing strip can shrink and deform, so that the local pressure caused by the inclined pulling out is dispersed and transmitted to the adsorption strip and the sealing strip as a whole, effectively avoiding the problem of uneven force on the local sealing strip and the adsorption strip after being compressed, and permanent deformation, thereby ensuring the safety of isocyanate when it is stored in the laboratory for a long time.

The present invention relates to a protective pad for a storage box, in particular made of metal, such as aluminium, for hazardous materials, such as energy stores or energy converters, in particular a battery, an accumulator or a fuel cell, which has a body with four surrounding walls and a bottom wall and a top wall, comprising a cuboid grid of six contiguous pad sections, each facing a wall of the storage box, in each of which an electrically insulating and / or thermally insulating and / or moisture-absorbing and / or acid-resistant and / or intumescent insulating material is accommodated.

Disclosed herein are water-soluble films and / or water soluble unit dose articles comprising a water soluble mixture comprising a polyvinyl alcohol (PVOH) and a polyvinylpyrrolidone (PVP), and methods of making and using the same.

The utility model discloses a leacheate protection device, which belongs to the technical field of ion chromatographic analysis instruments and equipment and is technically characterized by comprising a discharge removal component, an injection component and an absorption component. When the ion chromatograph is used, the ion chromatograph comprises the infusion pump, so that the leacheate in the leacheate storage bottle can be input into the ion chromatograph through the infusion pump, and vacuum is formed above the leacheate along with the lowering of the liquid level of the leacheate; air with carbon dioxide preliminarily removed above the carbon dioxide absorption bottle is sucked into the leacheate storage bottle, when the air with the carbon dioxide preliminarily removed is prepared, impurities in external air are removed through the filter membrane, the air is introduced into the carbon dioxide absorption bottle, most of the carbon dioxide is absorbed by the alkaline solution with the high concentration, and the leacheate storage bottle is used for storing the leacheate. A small amount of carbon dioxide is further removed through the carbon dioxide removal molecular sieve, and the one-way valve can ensure that air is led to the leacheate storage bottle during use, so that the leacheate in the leacheate storage bottle is prevented from flowing back.

Liquid disposal containers comprise a housing with an internal chamber and an inlet opening along a top surface extending to the internal chamber. The internal chamber accommodates placement of a bladder therein that is part of a bladder assembly and that is in fluid flow communication with the inlet opening. The bladder assembly is removable from the container once the bladder is filled. The internal chamber is configured to enable the filled bladder to exit via gravity. A gate member is movable from a surface of the container from a first position preventing the exit of the filled bladder to a second position enabling the exit of the filled bladder. After filled bladder removal, a new bladder assembly is installed for continued container use. The container is removably connected with a member having an open volume disposed below the housing internal chamber for accumulating a plurality of filled bladders.

Provided is a high-purity chemical reagent container that is made of a polyethylene resin and that minimizes the elution of contaminants such as an eluate or a degradation product derived from the polyethylene resin into the contents thereof. A high-purity chemical reagent container is made of polyethylene resin, and the expansion area ratio of the inner surface of the container is 1.10 or less.

The utility model discloses a hazardous chemical substance transportation tank protection device which comprises two connecting shells, one side of the inner wall of each connecting shell is fixedly connected with a protection plate, a protection assembly is arranged outside each connecting shell, and an adjusting assembly is arranged on the outer wall of each connecting shell. The adjusting assembly comprises multiple sliding blocks, one sides of the multiple sliding blocks are fixedly connected to the outer wall of the connecting shell on one side, a groove is formed in each sliding block, the multiple sliding blocks are slidably connected to the interior of the connecting shell on the other side, bolts are arranged in the connecting shells, one ends of the bolts penetrate and extend to the exteriors of the sliding blocks and the rubber sleeves, and the other ends of the bolts penetrate through the rubber sleeves. And one end of each bolt is in threaded connection with a nut. The sliding block on the outer wall of the connecting shell on one side slides in the connecting shell on the other side to be matched with the outer wall of the tank body in length, then the connecting shells are fixed through bolts and nuts, the effect of adjusting the length of the equipment is achieved, and the problems that traditional equipment is relatively fixed in length and inconvenient to use are solved. And partial areas of the outer wall of the tank body are not protected in place.

Saturated aliphatic C 6-12 A container and method for decomposition-stable storage and transport of a liquid containing a carboxylic acid, wherein the liquid is covered with an oxygen-free or at least significantly oxygen-depleted inert gas phase atmosphere.

The present invention provides a method for the transport and storage of water- and / or temperature-sensitive compounds, such as isocyanates, where the compounds can be stored or transported under controlled conditions and are easy to remove and subsequently clean without risk of damaging containers or pipes. To this end, the present invention is directed to a method for handling liquid water- and / or temperature-sensitive compounds. A water-soluble coating is applied to the surface of a device that will come into contact with the liquid water- and / or temperature-sensitive compound, and the coating is dissolved with water to clean the device. The water-soluble coating preferably comprises polyvinyl alcohol.

The invention relates to a special storage device for high-purity germanium tetrachloride for optical fibers, which comprises a refrigeration temperature control device, an outer tank body, an inner tank body and a tank cover, a nitrogen cylinder cavity is arranged outside the inner tank body, and a nitrogen cylinder is arranged in the nitrogen cylinder cavity; a tank opening is formed in the top of the inner tank body; an air channel is formed in the outer top, close to the tank opening, of the inner tank body, an air hole communicated with the air channel and the interior of the inner tank body is formed in the inner tank body below the tank opening, and the air channel is communicated to a nitrogen cylinder in the nitrogen cylinder cavity through an air pipe; the inner tank body is arranged in the outer tank body and forms an interlayer, the refrigeration temperature control device is arranged in the refrigeration temperature control device cavity, and an evaporator copper pipe of the refrigeration temperature control device is arranged in the interlayer; and a product can be prevented from being in contact with the outside during taking and sampling.

The present invention has an object of providing a storage container and a storage method that maintain the quality of Z-1-chloro-3,3,3-trifluoropropene as a solvent or a detergent, and are usable to store and transport Z-1-chloro-3,3,3-trifluoropropene safely and stably at low cost. A storage container for HCFO-1233zd (Z), to be filled with HCFO-1233zd (Z), according to the present invention is characterized in that a material of at least a liquid-contact portion thereof is selected from the group consisting of epoxy-phenolic resin, phenolic resin, phenolic-butyral resin, stainless steel, iron phosphate, zinc phosphate and glass.

The invention provides a processing liquid storage container, a substrate processing apparatus, and a substrate processing method. The processing liquid storage container is provided with a container main body and a processing liquid suction part, and the processing liquid suction part is provided with: an extraction base which has a larger area than a main body-side opening in plan view and has a processing liquid extraction port at a position corresponding to the main body-side opening; an elastic member having resistance to the processing liquid and having an opening at a position corresponding to the extraction opening in plan view; an actuator capable of stretching and retracting in the vertical direction according to the magnitude of the applied voltage; and a top plate member that defines the position of the upper end of the actuator, in which when the actuator is elongated in the vertical direction, the amount of compression generated by the elastic member is increased by the actuator to close the opening, and when the actuator is contracted in the vertical direction, the amount of compression generated by the elastic member is reduced by the actuator to close the opening. Thus, the opening is opened.