628 results about "Liquid product" patented technology

The invention relates to the technical field of production line defect detection, in particular to an intelligent packaging production line defect detection method and system based on an image recognition model. The method comprises the following steps: carrying out packaging container surface defect analysis on an empty packaging container to generate a container inherent defect area; capturing a disturbance response time sequence image sequence based on the inherent defect area of the container after the liquid product packaging operation of the empty packaging container is completed; constructing a motion image recognition model, and performing motion area recognition on the disturbance response time sequence image sequence to obtain a time sequence motion area segmentation map; detecting internal and external impurity defects of the package according to the time sequence motion area segmentation map to obtain internal defect list data of the product; and when the product internal defect list data is non-empty, executing corresponding defective product removal control. High-precision intelligent identification of internal and external impurity defects of the liquid packaging product is realized through the image identification model, and the quality control level of a production line is remarkably improved.

The invention discloses a method for preparing 12-mercaptan through solid organic acid catalysis, belongs to the technical field of 12-mercaptan preparation, and aims to solve the problems of low catalyst activity, harsh reaction conditions, serious pollution, high cost and dependence on import in the prior art. N-dodecanol and hydrogen sulfide are used as raw materials and are mixed according to the molar ratio of 1: 1.2-1: 1.3; the method comprises the following steps: gasifying n-dodecanol, mixing with purified hydrogen sulfide, preheating to 210-240 DEG C, introducing into a fixed bed reactor filled with a solid organic acid catalyst, and reacting at-0.08-3.0 MPa for 3.5-4 hours; and cooling and condensing the reaction product, carrying out gas-liquid separation, rectifying and purifying the liquid product to obtain 12-mercaptan with the purity of more than or equal to 99.5%, and recycling unreacted hydrogen sulfide. The solid organic acid can be a catalyst of p-toluenesulfonic acid and the like or mesoporous silica loaded nickel, cobalt and molybdenum metal oxides. The method has the advantages of high catalytic activity, mild reaction conditions, high product yield (the conversion rate of n-dodecanol is greater than or equal to 94.5%), environmental protection and low cost, can realize the domestic mass production of 12-mercaptan, and meets the market demand.

The utility model belongs to the technical field of sugar alcohol preparation, and relates to a system for co-producing L-arabinose and caramel pigment by using xylose chromatography raffinate, which comprises a raw material tank, a nanofiltration membrane separator, a chromatography separation device, an evaporation concentration tank, a crystallization tank, a centrifugal separator and a dryer which are sequentially communicated by pipelines, and the browning reaction assembly is used for mixing the raffinate and the centrifugal mother liquor and then carrying out browning reaction treatment to prepare caramel pigment. The chromatographic separation device is used for separating an extracting solution and raffinate from the flowing nanofiltration permeate, the evaporation concentration tank and the crystallizing tank are used for concentrating and crystallizing the flowing extracting solution into massecuite, the centrifugal separator is used for separating the flowing massecuite into moist sugar and centrifugal mother liquor, and the dryer is used for drying the flowing moist sugar into L-arabinose crystals. According to the utility model, raffinate and centrifugal mother liquor are mixed to prepare a caramel pigment liquid product, so that a caramel pigment additional product is obtained while the utilization rate of saccharide resources is improved.

The invention discloses a composition for improving the stability of oleuropein in a solution as well as a preparation method and application of the composition. The composition comprises oleuropein and at least one stabilizer, and the stabilizer is selected from the group consisting of anisic acid, lactobionic acid, glycyrrhizic acid, 3, 3-thiodipropionic acid, N-acetyl-L-glutamine, propyl-cysteine and lauramidopropyl betaine; and the pH value of the aqueous solution of the composition is 4.0-8.0. The preparation method comprises the following steps: dissolving oleuropein in water, adding the stabilizer, and uniformly mixing. Through simple physical mixing, by utilizing the synergistic effect of the specific stabilizer and the oleuropein, the degradation and discoloration of the oleuropein in the storage process are remarkably inhibited. Experiments show that after the preferable composition is preserved for 30 days in an open manner, the retention rate of the oleuropein still reaches up to 80% or above, and is far superior to that of blank control and a traditional liposome wrapping method. The composition is simple and convenient in preparation process and low in cost, and provides reliable technical support for wide application of oleuropein in liquid products such as food, medicine and cosmetics.

A discharge system for bulk tank trailers unloads dry bulk material from a bulk product trailer that is configured to be pulled by a vehicle. The discharge system includes a centrifugal compressor, a drive mechanism and a speed increaser. The centrifugal compressor is configured to deliver compressed air to force the dry bulk material from the bulk product trailer and convey the dry bulk material to a storage tank. The drive mechanism furnished rotational motion to the centrifugal compressor (e.g., via a power take-off of the vehicle). The speed increaser is disposed between the centrifugal compressor and the drive mechanism and is configured to increase the speed of the rotational motion furnished by the drive mechanism to the speed compressor. The drive mechanism may include a hydraulic system configured to drive a liquid product pump for pumping liquid product from a liquid product storage tank trailer pulled by the vehicle.

The invention relates to the technical field of lignin separation and catalytic conversion, in particular to a method for separation and in-situ catalytic conversion of lignin in woody biomass, which comprises the following steps: (1) mixing the woody biomass, a catalyst and a reaction solvent, and performing catalytic reaction to obtain a liquid product and a solid product; wherein the catalyst comprises a tungsten element, a phosphorus element and a carrier; (2) evaporating the liquid product to obtain a reaction product and a regenerated solvent; and (3) contacting the reaction product with an extraction agent for extraction to obtain an oil-phase product containing the phenolic monomer and a water-phase product containing the saccharide derivative. According to the method provided by the invention, the lignin in the woody biomass can be converted into the monophenol aromatic compound with high selectivity, and multi-stage and high-value utilization of the biomass can be realized.

A slurry reactor system including a slurry reactor configured to convert, under slurry hydroconversion conditions, a slurry reactor content flowing upwards and containing a feedstock including one or more of fats, oils and greases, a slurry hydroconversion catalyst and a hydrogen stream to a slurry hydroconversion effluent containing a slurry phase effluent including catalyst particles and a liquid product and a vapor phase effluent including a hydroconversion product, and one or more separation units in fluid communication with the slurry reactor to receive the slurry hydroconversion effluent. A given one of the one or more separation units is configured to separate the slurry phase effluent from the vapor phase effluent.

A slurry reactor system including a slurry reactor configured to convert, under slurry hydroconversion conditions, a slurry reactor content flowing upwards and containing a feedstock including one or more of fats, oils and greases, a slurry hydroconversion catalyst and a hydrogen stream to a slurry hydroconversion effluent containing a slurry phase effluent including catalyst particles and a liquid product and a vapor phase effluent including a hydroconversion product, and a separation unit internal to the slurry reactor, the separation unit being configured to separate at least a portion of the vapor phase effluent from the slurry hydroconversion effluent to produce a mixture of vapor and the slurry hydroconversion effluent having a reduced vapor phase content. The separation unit is configured to use a pump to recirculate the mixture of vapor and the slurry hydroconversion effluent flowing downwards in the slurry reactor to be combined with the slurry reactor content.

The invention relates to a method for preparing a gasoline component and an aviation fuel component through ethylene oligomerization, which comprises the following steps: contacting an ethylene-containing raw material with a first catalyst to carry out a first oligomerization reaction to obtain a first oligomerization product; the first catalyst comprises an FER structure molecular sieve; contacting the first oligomerization product with a second catalyst filled in the fixed bed reactor to carry out a second oligomerization reaction so as to obtain a second oligomerization product; the second catalyst is a molecular sieve catalyst and / or an amorphous silica-alumina catalyst; carrying out gas-liquid separation on the second oligomerization product to obtain a gas product and a liquid product, and carrying out distillation separation on the liquid product to obtain a C5-C9 fraction and a C9 + fraction; according to the method provided by the invention, the ethylene conversion rate is high, and the yield of C9 < + > fraction in the liquid product can be obviously improved.

The invention belongs to the field of coal and oil and gas resource development, and particularly discloses an in-situ mining simulation experiment method and device for microwave fragmentation and pyrolysis of oil-rich coal, and the method comprises the following steps: S1) processing and manufacturing an oil-rich coal sample or a coal rock combination; s2) putting the sample into a sealed wave-transparent reaction chamber of a microwave irradiation cabin, and simulating the stress state of the coal seam through a microwave wave-transparent pressure head by utilizing a servo control device; s3) simulating a coal bed gas environment through gas injection of an atmosphere device; s4) carrying out microwave irradiation and collecting a pyrolysis gas-liquid product, and meanwhile, obtaining experimental data in the irradiation process; and S5) cleaning and dissolving the pyrolysis liquid product to obtain the tar quality and analyze the components of the tar, screening the sample to obtain a grain composition curve, comparing the calorific values of the coal sample before and after the experiment, and evaluating the effects of microwave fragmentation pyrolysis of the coal sample and oil gas extraction by combining experimental data. Quantitative reference and basis can be provided for selection of microwave conditions in microwave-assisted in-situ mining.

A slurry reactor system including a slurry reactor configured to convert, under slurry hydroconversion conditions, a slurry reactor content flowing upwards and containing a feedstock including one or more of fats, oils and greases, a slurry hydroconversion catalyst and a hydrogen stream to a slurry hydroconversion effluent containing a slurry phase effluent including catalyst particles and a liquid product and a vapor phase effluent including a hydroconversion product, and a separation unit external to the slurry reactor to separate the slurry phase effluent from the vapor phase effluent to produce a recycled slurry stream. An inlet of the separation unit is in fluid communication with an outlet of the slurry reactor to receive the slurry hydroconversion effluent from the slurry reactor and an outlet of the separation unit is in fluid communication with an inlet of the slurry reactor to receive the recycled slurry stream from the separation unit.

The invention discloses an anti-fouling and anti-corrosion integrated coating with long-acting, high-adhesion and super-smooth functions as well as a preparation method and application of the anti-fouling and anti-corrosion integrated coating, and belongs to the field of preparation of marine anti-fouling and super-smooth coating materials. The preparation method comprises the following steps: preparing a high-adhesion epoxy resin precursor to obtain a liquid product EGDE-PCA; the preparation method comprises the following steps: preparing a high-adhesion and super-lubricity integrated epoxy resin precursor to obtain an oily liquid product EGDE-PCA / APT-PDMS; the preparation method comprises the following steps: adding EGDE-PCA / APT-PDMS into isophorone diamine, uniformly mixing and stirring, coating a metal material sample with the mixture, and carrying out a drying and curing reaction under a vacuum heat preservation condition, so as to obtain the antifouling and anticorrosive integrated coating with long-acting high-adhesion and super-lubricity functions. In the early-stage synthesis reaction, an organic solvent does not need to be added, so that the environmental protection property is improved, and the problem that the construction process is difficult due to poor flowability is solved; the coating provided by the invention has super-smooth durability and excellent antifouling and anticorrosion effects.

The present invention provides a hydrocracking catalyst and a preparation method and application thereof, the catalyst comprises a carrier and hydrogenation active metal components, the carrier comprises alumina and carbon, and the hydrogenation active metal components comprise one or more of VIB group metals and one or more of VIII group metals in the periodic table of elements; the total acid content of the catalyst is 0.45-0.80 mmol / g, the dispersity of the VIB group metal is not lower than 0.08, and the dispersity of the VIII group metal is not lower than 0.04; preferably, the total acid content of the catalyst is 0.50-0.70 mmol / g, the dispersity of the VIB group metal is not lower than 0.09, and the dispersity of the VIII group metal is not lower than 0.05. According to the preparation method, an aluminum oxide-carbon composite material is synthesized in situ, then the composite material is subjected to surface modification treatment, and then an active metal component is introduced, so that the obtained hydrocracking catalyst has proper acidity and good metal dispersibility, and when the hydrocracking catalyst is applied to a hydrocracking process of waste plastics, moderate cracking hydrogenation of the waste plastics can be realized; the yield of a liquid phase product is effectively improved.

A method for treating viral infections caused by viruses whose survival time depends on temperature (e.g., cold viruses, flu viruses, COVID-19, etc.) is based on administrating to a subject an effective amount of thermal energy transferred from a hotter liquid product to the colder subject using a predetermined combination of the temperature of the liquid product, the duration of time of supplying the liquid product, and the amount of the liquid product. This method of treatment inactivates viruses in the upper respiratory tract and gastrointestinal tract of the subject and enhances the response of the immune system, thereby preventing complications and accelerating the recovery of the infected subject.

This application discloses a formaldehyde removal aqueous product, relating to the field of cleaning and purification technology, comprising a solvent, a formaldehyde remover, a stabilizer, and a wetting agent; wherein the solvent, formaldehyde remover, stabilizer, and wetting agent are present in a weight ratio of 9-31:1.2-8:0.3-0.8:15-23; the formaldehyde remover is M-R2. This application achieves effective formaldehyde removal by forming abundant active sites in the formaldehyde remover, thereby effectively adsorbing and releasing formaldehyde while efficiently oxidizing the adsorbed formaldehyde; furthermore, the solvent, formaldehyde remover, stabilizer, and wetting agent in this aqueous formaldehyde removal product synergistically work together to remove formaldehyde, significantly improving the efficiency of adsorbing and releasing formaldehyde while promptly oxidizing formaldehyde to form carbon dioxide. Moreover, the components of this aqueous formaldehyde removal product have a stable structure and high formaldehyde removal efficiency.

The invention belongs to the field of catalytic hydrogenation reaction, and provides a method for preparing pentanediol from furfural. The method comprises the following steps: in the presence of a non-noble metal catalyst and isopropanol, contacting furfural with hydrogen for hydrogenation reaction to form a reaction product containing pentanediol; wherein the non-noble metal catalyst is a cobalt-copper binary catalyst and / or a cobalt-zirconium-copper ternary catalyst, and the non-noble metal catalyst is prepared by the method comprising the following steps: (1) carrying out precipitation reaction on a metal source and a precipitator in water, and aging to obtain a solid-liquid product; and (2) carrying out solid-liquid separation on the solid-liquid product, and washing, drying and calcining the obtained solid. According to the method, pentanediol can be prepared under the condition that the low-cost catalyst is adopted, and the yield of pentanediol can be increased.

One or more specific embodiments disclosed herein includes a method for separating hydrogen from an olefin hydrocarbon rich compressed effluent vapor stream, employing a integrated heat exchanger, multiple gas-liquid separators, external refrigeration systems, and a rectifier attached to a liquid product drum.

The invention provides a method for efficiently converting low-quality methane gas into methanol by using a plasma catalysis technology, which specifically comprises the following steps: introducing a mixed gas of methane, air and water vapor into a plasma reactor, and generating a liquid product under the action of plasma. By simulating six low-quality coal bed gas systems with different concentrations of 0.5%, 2%, 4%, 6%, 18% and 30% and introducing water vapor into reaction gas, carbon deposition reaction and generation of nitric acid byproducts are remarkably inhibited. Meanwhile, by optimizing key reaction parameters such as discharge power and water inflow, high-selectivity synthesis of a methanol product is realized, and the selectivity of the methanol product can reach 40.9% or above in a full experimental range. Experimental results show that the method has the technical advantages of mild reaction conditions, high product selectivity, remarkable side reaction inhibition and the like.

This invention relates to a storage facility (71) for liquefied gases, comprising a support structure (3) and a tank (1), wherein the storage facility (71) includes through structures (12, 13) fixed to the support structure and extending through a top wall and an upper support wall, wherein the through structures (12, 13) include a cylinder (18) and a curved top member (28), the curved top member (28) being fixed to the upper end of the cylinder (18), and at least one pipe extending through the curved top member, wherein the pipe is fixed to the curved top member using a support device (43), and wherein the support device includes: - a support ring (44) welded around the pipe, - a support tube (45) welded to the support ring on one side and to the curved top member on the other side. The invention also relates to ships for transporting cold liquid products, transfer systems for cold liquid products, and methods for loading or unloading ships.

The invention provides a catalyst for waste polyolefin thermal cracking and a preparation method and application thereof, and the preparation method comprises the following steps: 1) carrying out ultrasonic treatment on a mixture of sepiolite, soluble aluminum salt, carbonate, ethanol and deionized water, and then treating at 120-200 DEG C for 2-8 hours to obtain a modified sepiolite mixture; 2) treating a mixture of kaolin, phosphoric acid and deionized water at 40-80 DEG C for 1-3 hours to obtain a modified kaolin solution; and 3) mixing the modified sepiolite mixture and the modified kaolin solution, performing spray drying, then roasting at 450-550 DEG C for 0.5-2 hours, washing and drying to obtain the catalyst. The catalyst is low in cost and good in catalytic performance, and the yield of liquid products can be effectively increased.

The present invention provides a system (1) to prevent the formation of fuel vapors comprising a containment tank (10) and a variable volume tank (12) accommodatable within the containment tank (10), wherein the variable volume tank (12) is configured to receive liquid fuel. Our invention can be used in any tanks or reservoirs of liquid products that attack the ozone layer, preventing the formation of vapors that are extremely harmful to nature and the environment.

A system for filling a liquid product, in particular beer, into containers, comprising: a filler; a flash pasteurizer; a heat exchange module; wherein the product is fed to the heat exchange module before its filling, and a heat transport medium is fed to the heat exchange module, wherein the heat exchange module is designed to extract cold from the product and to cool the heat transport medium to a predefined temperature using the cold extracted from the product; wherein the heat exchange module can provide the cooled heat transport medium to other process units for cooling; wherein the heat exchange module is designed to forward the product, from which cold has been extracted, to the flash pasteurizer, wherein the flash pasteurizer is designed to heat the product to a predefined product temperature and forward it to the filler;wherein the filler is designed to fill the product treated by the flash pasteurizer into containers, in particular bottles;

Metal container lid with a resealable opening, in particular for beverage cans as well as for containers for storing food and other liquid products, paste products, powdered and / or solid products, with a microgap (4) or weakening line, provided in the metal surface of the lid and extending around the opening, a sealing frame (5) of plastic material, connected to the fixed surface of the lid (2) and enclosing the opening area, a closure unit (6) of plastic material connected to the metal area of ​​the lid (3) located within the microgap (4) or weakening line and which can be rotated upwards, which is rotatably mounted on the fixed surface of the lid (2) by means of a pivot bearing (7) and is provided with a tearing member (8) which, diametrically opposite the pivot bearing (7),is connected in a rotatable manner upwards to the closing unit (6), the sealing frame (5) and the closing unit (6), preferably by means of sealing and locking ribs (12, 13, 14) and associated receiving grooves (15, 16, 17), interact in a sealing manner, and the metal area of ​​the lid (3) located within the peripheral gap (4) or the weakening line is positioned and held in the opening area of ​​the lid (1), wherein the tearing member (8) has a perforation (23) in which an extension (24) of the closing unit (6) engages, which extension,

1. Name of the designed product: packing bottle (easy water bottle for book). 2. Use of the designed product: for containing liquid product. 3. Design points of the designed product: in shape. 4. Picture or photo best showing the design points: perspective view.

The present disclosure provides methods and systems for producing a C4+ compound, including the steps of: (i) reacting a feed stream comprising C1+O1-3 hydrocarbons in the presence of an acid condensation (AC) catalyst at a condensation temperature and condensation pressure to produce an AC product stream including the C4+ compound; (ii) fractionating AC product stream into an AC liquid product stream including organic products and a vapor stream; (iii) fractionating the AC liquid product stream by a fractionation column into a liquid C4+ compound product stream and a gaseous overhead stream; (iv) cooling the gaseous overhead stream to produce a liquid reflux stream and a gaseous vent stream; (v) recycling a first portion of the liquid reflux stream to the fractionation column for the fractionation in step (iii); and (vi) recycling a second portion of the liquid reflux stream to the feed stream for the reaction in step (i).

The invention relates to the technical field of lignin separation and catalytic conversion, in particular to a separation and in-situ catalytic conversion method of lignin in herbaceous biomass, which comprises the following steps: (1) mixing herbaceous biomass, a catalyst and a reaction solvent, and performing catalytic reaction to obtain a liquid product and a solid product; the catalyst comprises tungsten oxide and a carrier, and the reaction temperature of the catalytic reaction is 140-260 DEG C; (2) evaporating the liquid product to obtain a reaction product and a regenerated solvent; and (3) contacting the reaction product with an extraction agent for extraction to obtain an oil-phase product containing the phenolic monomer and a water-phase product containing the saccharide derivative. According to the method provided by the invention, efficient separation and in-situ conversion of the lignin at low temperature can be realized without introducing hydrogen, the separation effect of the lignin in the herbaceous biomass can be remarkably improved, the yield of phenolic monomers in a lignin catalytic product is increased, the loss of cellulose and hemicellulose is reduced as much as possible, and the method is suitable for industrial production. The method is suitable for industrial popularization.

The invention discloses a method for preparing regenerated polyether polyol by degrading waste polyurethane semi-rigid foam through an acidolysis method, which comprises the following steps: (1) cleaning, drying and crushing the waste polyurethane semi-rigid foam, and removing impurities to obtain foam particles; (2) dehydrating the foam particles; (3) putting the foam particles, an acidolysis agent and a catalyst into a reaction kettle; (4) the materials are heated in three stages, the temperature of the first stage is kept at 140-160 DEG C for 2-3 h, the temperature of the second stage is kept at 180-200 DEG C for 1-2 h, the temperature of the third stage is kept at 200-210 DEG C for 0.5-1 h, and inert gas protection is carried (5) separating out solid residues from the reacted mixed material to obtain a liquid product regenerated polyether polyol; wherein the acidolysis agent is a mixture of maleic acid and succinic anhydride. According to the acid hydrolysis method, the regenerated polyether polyol is recycled from the waste polyurethane semi-rigid foam, the degradation rate is larger than or equal to 98%, the content of aromatic amine in the regenerated polyether polyol is reduced, and later application is facilitated.

The invention relates to the technical field of air separation, in particular to an internal compression air separation air supply system and an internal compression air separation device. The internal compression air separation air supply system comprises a rectifying tower, a main heat exchanger and an air supply unit. The gas supply unit comprises a storage tank, a liquid pump and a gasifier; the storage tank is used for receiving a liquid product produced by the rectifying tower; the liquid pump can pump the liquid product in the storage tank to the main heat exchanger in a pressurized mode to be gasified so as to form a main gas supply route for supplying gas to downstream users, or the liquid pump can pump the liquid product in the storage tank to the gasifier in a pressurized mode to be gasified so as to form a standby gas supply route for supplying gas to the downstream users. Therefore, the main gas supply route and the standby gas supply route share the liquid pump, the pumps do not need to be started and stopped when the gas supply routes are switched, the switching efficiency is effectively improved, the number of the liquid pumps can be reduced, fault points are effectively reduced, the investment cost is reduced, and meanwhile the liquid pumps are not prone to cavitation.

The invention relates to a distillation unit (100 000) which is designed for a continuous distillation process and to a method for a continuous operation for separating a liquid substance mixture (10) into two to six liquid product flows (201, 202, . . . ) with different compositions and into a gaseous product flow (300). For this purpose, an evaporation unit (10 000) is provided consisting of multiple evaporation devices (10 000-1, 10 000-2, . . . ), wherein each evaporation device has a circuit device (1 200-1, 1 200-2, . . . ) for recirculating a sub-quantity of each of the liquid sump flows (22, 21, . . . ) of an evaporation device into the respective evaporation device, and each of the circuit devices additionally has a discharge device (1 300-1, 1 300-2, . . . ) for providing one of the liquid product flows (201, 202, . . . ).

1. Name of the product under this design: Wine bottle (Mao Wu Jian Yu Jiu bottle). 2. Purpose of this design product: used to hold liquid products. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1. 5. Other situations that require explanation Other explanations: This design product is transparent and contains black ink for shooting. Liquids are not protected.