22results about How to "Increase absorption rate" patented technology

The invention discloses recycled aggregate negative carbon pervious concrete and a preparation method thereof, and relates to the field of pervious concrete. The recycled aggregate negative carbon pervious concrete is prepared from the following components in parts by mass: 1186 to 1423 parts of recycled coarse aggregate, 54 to 68 parts of fine aggregate, 221 to 263 parts of cement, 147 to 175 parts of coal ash, 111 to 132 parts of water, 3.37 to 4.01 parts of a water reducing agent, 263 to 285 parts of special gel and 3.68 to 4.38 parts of bacterial powder. According to the recycled aggregate negative carbon pervious concrete, the surface of the recycled aggregate is wrapped with the specially-made gel, the bacterial powder with the biological enzyme catalysis function is introduced, the hardness of the recycled aggregate is improved, microcracks and pores are sealed, the mechanical property of the pervious concrete is effectively improved, the pervious concrete is endowed with the carbon absorption and fixation performance, and low-carbon environment-friendly production is achieved; the current environmental protection and dual-carbon concepts are met.

The utility model discloses a ball spline ZR shaft mounting head, and belongs to the technical field of precision chip processing. The ball spline ZR shaft mounting head comprises a bottom plate, and a linear sliding block module is fixedly mounted on the surface of the bottom plate. According to the ball spline ZR shaft mounting head, the Z-axis synchronous wheel assembly rotates, so that the synchronous belt pressing block moves along with the Z-axis synchronous wheel assembly and drives the suction nozzle rod support to move, then the spline housing assembly and the suction nozzle move in the direction of a precision chip, and the R-axis stepping motor works to drive the R-axis synchronous wheel assembly to move; the suction nozzle rod synchronous belt wheel moves and drives the suction nozzle to rotate, at the moment, a vacuum pump air pipe is connected into the air pipe rotating joint, air flow reaches the suction nozzle through the ball spline shaft for vacuumizing, so that the precision chip is sucked, the movement stability of the Z axis is high, and the precision of sucking the precision chip by the suction nozzle is high; not only is the suction rate of the precision chip improved, but also the processing efficiency of the precision chip is improved.

The breast pad comprises a body, the body comprises a surface layer, a bottom layer and an absorption core layer clamped between the surface layer and the bottom layer, the surface layer and the bottom layer are combined along the peripheral edge, the absorption core layer comprises an upper absorption layer and a lower absorption layer, and the upper absorption layer and the lower absorption layer are arranged in a stacked mode. The upper absorption layer further comprises a main absorption area, a notch part located on the upper side of the main absorption area and a lower absorption area located on the lower side of the main absorption area, and the lower absorption area and the upper absorption layer further comprise at least one protruding part and an annular groove surrounding the periphery of the protruding part; through the arrangement, the use comfort can be further improved, the probability of layering between the upper absorption layer and the lower absorption layer is reduced, a concave-convex circulation channel is formed in the absorption core layer, the colloid blocking effect is reduced, and therefore the absorption rate is increased, and the absorption effect is improved. In addition, functional parts such as a wool fat layer can be arranged at the corresponding positions of the notch part to achieve multiple functions.

The invention discloses a low-partial-pressure CO2 catalytic absorption method and application, and belongs to the technical field of gas separation. The low-partial-pressure CO2 catalytic absorption method comprises the following steps: S1, providing a nitrogen-doped activated carbon catalyst; the nitrogen-doped activated carbon catalyst is prepared by taking activated carbon as a carbon source and modifying the activated carbon through a nitrogen-containing reagent; s2, providing an organic amine solvent; and S3, under the action of the nitrogen-doped activated carbon catalyst provided in the S1, enabling flue gas to react with the organic amine solvent provided in the S2. Compared with the existing CO2 absorption method, the method provided by the invention has the advantages that the CO2 absorption rate, the CO2 absorption capacity and the CO2 capture efficiency can be remarkably improved, so that low-cost CO2 capture is realized.

The utility model relates to the technical field of highway tunnel fire extinguishing and smoke exhausting, in particular to a highway tunnel intelligent automatic monitoring fire extinguishing and smoke exhausting device which comprises a fixing plate, the left portion of the upper end of the fixing plate is fixedly connected with a controller, the right portion of the upper end of the fixing plate is provided with a spraying device and two draught fans, and the spraying device is located between the two draught fans. First connecting pipes are arranged on the upper portions of the outer surfaces of the two draught fans, first communicating pipes are arranged on the lower portions of the outer surfaces of the two draught fans, the lower ends of the two first communicating pipes penetrate through and are fixedly connected with smoke discharging assemblies, and the opposite ends of the two smoke discharging assemblies are fixedly connected with supporting plates; smoke sensors are fixedly connected to the lower ends of the two supporting plates correspondingly, and the smoke exhaust assembly comprises a first branch pipe. According to the intelligent automatic monitoring fire extinguishing and smoke exhausting device for the highway tunnel, the smoke exhausting assembly and the spraying device are arranged, so that the fire extinguishing and smoke exhausting process of the highway tunnel can be facilitated.

This invention provides an absorbent for capturing carbon dioxide and a method for capturing carbon dioxide. By volume percentage, the absorbent comprises 20-60% glycine salt aqueous solution, 10-50% triethylene glycol monomethyl ether, 5-10% ethylene glycol, and the balance being water. This absorbent combines the advantages of glycine salt systems, such as low volatility, non-toxicity, safety, and better antioxidant degradation resistance, while avoiding the risk of solid precipitates forming after absorption by the glycine salt system, which could cause pipeline blockage.

The application belongs to the field of agricultural biotechnology, and particularly relates to a gene mutant with high potassium absorption and utilization efficiency and application thereof. GhAKT1bD The gene mutant A is obtained by deleting the 111th-114th bases of the wild-type gene, and the gene mutant B is obtained by deleting the 112th-114th bases of the wild-type gene. GhAKT1bD The gene mutant A is obtained by deleting the 111th-114th bases of the wild-type gene, and the gene mutant B is obtained by deleting the 112th-114th bases of the wild-type gene. GhAKT1bD The gene mutant A is obtained by deleting the 111th-114th bases of the wild-type gene, and the gene mutant B is obtained by deleting the 112th-114th bases of the wild-type gene. The transgenic plant provided by the application has excellent low-potassium stress resistance compared with the wild-type plant. In addition, the transgenic plant provided by the embodiments of the application has growth advantages, higher stem potassium content and root potassium content compared with the wild-type plant under the conditions of sufficient potassium supply (2.5 mM) or severe potassium deficiency (0.03 mM).

The utility model discloses a filling type damping support which comprises a piston cylinder, a first piston pressing plate arranged in the piston cylinder in a sliding mode and a piston rod connected to one end of the first piston pressing plate, the piston cylinder is filled with damping media, and a medium channel for the damping media to flow through is arranged between the piston cylinder and the first piston pressing plate. And the closure area of the medium channel is in a gradually decreasing state in the stroke direction of the first piston pressing plate. According to the utility model, the closure area is expanded in advance in the initial state of movement, so that the absorption rate of kinetic energy absorption is increased, rigid collision is avoided, and the closure area is decreased progressively in the movement process of the piston, so that the damping effect is not influenced.

The invention discloses a multi-zone carbon capture device which comprises an inlet flue section, a tower body and an outlet flue section, and the interior of the tower body is divided into a plurality of zones which operate independently through at least one partition plate; the inlet flue section is configured to selectively introduce flue gas into at least one subarea; the outlet flue section is configured to selectively exhaust flue gas from at least one of the partitions. Compared with a circular tower, the internal support length of the multi-partition tower type is shorter, and the multi-partition tower type has lower deflection during bearing. Compared with a square tower, the multi-partition tower type flue gas has better flow field distribution. Along with the change of the flue gas amount, the number of the working partitions can be dynamically adjusted, so that efficient utilization of resources is achieved.

The invention discloses a highly safe lithium ion battery positive electrode sheet and a lithium ion battery comprising the positive electrode sheet, wherein the positive electrode sheet comprises a positive electrode current collector and a positive electrode active material layer attached to the positive and negative surfaces of the positive electrode current collector, the surface of the positive electrode current collector is coated with an inorganic polysilazane-polydopamine-graphene composite coating, and the positive electrode active material layer is coated on the surface of the inorganic polysilazane-polydopamine-graphene composite coating. The highly safe lithium ion battery positive electrode sheet of the invention has the characteristics of effectively avoiding copper precipitation, avoiding heat accumulation, excellent rate performance and good cycle life.

The invention provides a lithium supplement agent and a preparation method thereof, a positive plate and a lithium ion battery, and relates to the technical field of batteries. The lithium supplement agent provided by the invention comprises lithium-rich lithium ferrite; the surface of the lithium-rich lithium ferrite is coated with carbon nanotubes and silicon carbide; the mass ratio of the carbon nano tube is 0.01%-0.5%; the mass ratio of the silicon carbide is 0.01%-1%. The lithium supplement agent can reduce the internal resistance of the battery, improve the liquid absorption rate of a battery positive pole piece to electrolyte, reduce the decomposition potential, reduce the side reaction of a battery cell, improve the rate capability and cycle performance of the battery cell, reduce the crushing of a lithium supplement agent core body, and avoid the side reaction of lithium supplement agent residues and the electrolyte.

This invention discloses an intermittent connection process between a suspended core and the diaper body. This process relates to the field of absorbent products and comprises the following steps: a) intermittent adhesive spraying, b) adhesive scraping, and c) core bonding. The absorbent core is bonded to the bottom film of the absorbent product through adhesive segments in regions one, two, and three, thereby creating an intermittent connection between the absorbent core and the body. This results in grooves that facilitate urine drainage and cavities that store urine at the bottom of the diaper body. This not only increases the absorption rate of the absorbent core but also increases its absorption area, providing excellent fixation for the absorbent core. The process has fewer steps and is simple to operate, meeting the production needs of large-volume diaper production.

The application discloses a direct air carbon capture system and method, and relates to the technical field of carbon capture, and in particular to a direct air carbon capture system and method. The system comprises a lye absorption and regeneration integrated device, a heat pump system, a ripener, a calcining furnace, a condenser separator and a compressor. The lye absorption and regeneration integrated device is composed of a shell, an arched biomass carbon material gas absorption plate, a lean liquid tank, a particle reaction tank, a filter and a solution pump. CO2 absorption occurs on the surface of the biomass carbon material gas absorption plate, and due to capillary action, siphon phenomenon caused by the height difference between the lean liquid tank and the particle reaction tank and ion concentration difference, directional transfer of lean liquid and rich liquid is realized. The heat pump system is used for recovering water vapor in decarburized air and CaCO2 primary preheating. CaO ripening reaction heat is used for CaCO3 secondary preheating. The application utilizes the pore structure of the biomass carbon material gas absorption plate, capillary phenomenon and siphon effect to improve CO2 absorption rate and save pump power. The application utilizes the heat pump system to save water resources. The application utilizes system waste heat to reduce system energy consumption.

The invention relates to a single-layer absorption core. The single-layer absorption core is characterized in that a flow guide material is one or two of degreasing cotton fibers and wood pulp fibers; the absorbing material adopts water-absorbent resin; the binding material is one or two of hot melting fiber or hydrosol; the diversion material and the hot melting fiber form a core fiber web framework after being carded by airflow, and the core fiber web framework is filled with the water-absorbent resin and the hydrosol. A fiber skeleton is formed by carding air laying, and different components in the core body can be fully mixed and staggered to form a single-layer absorption core body in a multi-layer water-absorbent resin spraying mode, so that the uniformity of the absorption core body is improved.

The utility model discloses a device for treating papermaking fiber wastewater, which is applied to the field of papermaking wastewater treatment and comprises a biochemical reaction shell, a biological treatment mechanism is arranged in the biochemical reaction shell, and a pretreatment mechanism is arranged on one side of the biochemical reaction shell. When the papermaking wastewater is treated in the biological treatment mechanism, solid wastes such as particulate matters, precipitates and suspended solids in the papermaking wastewater can be treated in advance through the pretreatment mechanism, so that the load of subsequent biochemical treatment is reduced, the treatment effect is improved, and the solid wastes can be recycled before the papermaking wastewater is subjected to biological treatment. Solid wastes such as particulate matters, sediments and suspended matters in the papermaking process can be removed, the load of a subsequent biochemical treatment device is favorably reduced, and the stability and the treatment effect of the whole system are improved.

The application discloses a kind of low-temperature desorption and high cycle stability absorption liquid for capturing carbon dioxide and its preparation method and application, it is related to gas separation and purification technical field, including main absorption component, auxiliary agent and solvent;Main absorption component is at least one of N-ethyl piperazine, 1-methyl piperazine and N-hydroxyethyl piperazine;Solvent is at least one of 1-dimethylamino-2-propanol, diethylaminoethanol and N,N-dimethylethanolamine;Auxiliary agent is selected from composite antioxidant and desorption promoter.The multi-component synergistic design of the application makes the system maintain high capture efficiency under the premise, with excellent low-temperature desorption performance and long-term cycle stability, ensures that amine liquid long-term stable and efficient operation, reduces the operating cost caused by amine liquid degradation, equipment corrosion and high energy consumption, with good application prospect.

The invention belongs to the technical field of batteries, and particularly relates to a preparation method of a pole piece, the pole piece, a battery and an electric device. The preparation method of the pole piece comprises the following steps: preparing an active layer containing an active substance and a binder on at least one side of a current collector; heating the active layer to heat the surface layer of the active layer to a heating temperature; performing heat preservation treatment on the active layer to enable the surface layer of the active layer to be at a heat preservation temperature; wherein the heating temperature and the heat preservation temperature are independently larger than or equal to the melting point or softening point of the binder and smaller than the decomposition temperature of the binder. By adopting the method to prepare the pole piece, the battery using the pole piece can have good cycle performance.

The embodiment of the invention provides a cerebral hemorrhage treatment device and system based on noninvasive ultrasound, and the device comprises an image transmission module which is used for obtaining a brain tissue image and a cerebrovascular image; the intelligent hematoma positioning module is used for determining hematoma position information according to the brain tissue image and the cerebrovascular image; determining an ultrasonic irradiation path according to the hematoma position information, the brain tissue image and the cerebrovascular image; the ultrasonic intervention module is used for setting parameters of ultrasonic equipment; the ultrasonic monitoring module is used for acquiring state data of cerebral hemorrhage hematoma parts, edema degrees around hematoma, intracranial pressure, optic nerve sheaths and deep vein thrombosis; and the intelligent auxiliary decision-making module is used for determining an ultrasonic irradiation scheme according to the ultrasonic irradiation path and the parameters and state data of the ultrasonic equipment. Through the non-invasive ultrasonic cerebral hemorrhage treatment device, the cerebral hemorrhage hematoma absorption rate and efficiency can be improved, and finally the disability rate and the fatality rate of cerebral hemorrhage are reduced.

The present invention discloses a facial beauty massager, comprising a beauty massage base, a detachable protective cover, a massage drive assembly and a gentle massage piece, wherein the massage drive assembly is arranged in the beauty massage base, the gentle massage piece is arranged on the massage drive assembly, the detachable protective cover is arranged on the beauty massage base, a massage through hole is arranged on the top of the detachable protective cover, the gentle massage piece is slidably arranged in the massage through hole, and the massage drive assembly comprises an installation protective plate, a back plate, a partition plate 1, a partition plate 2, a massage active drive shaft, a massage active drive disk, a massage driven drive disk, a massage transmission drive disk, a massage piece bracket, a limit support frame, a massage drive motor, a massage active drive rod and a massage driven drive rod. The present invention relates to the technical field of beauty equipment, and specifically provides a facial beauty massager which is small in size, easy to carry, and promotes the absorption of beauty and skin care products by simulating the pressing action of human fingers.

The invention discloses a recycled aggregate negative carbon permeable concrete and a preparation method thereof, and relates to the field of permeable concrete. The recycled aggregate negative carbon permeable concrete includes the following components by mass: 1186-1423 parts of recycled coarse aggregate, 54-68 parts of fine aggregate, 221-263 parts of cement, 147-175 parts of fly ash, 111-132 parts of water, 3.37-4.01 parts of water reducer, 263-285 parts of special gel, and 3.68-4.38 parts of bacterial powder. The recycled aggregate negative carbon permeable concrete, by wrapping the special gel on the surface of the recycled aggregate and introducing bacterial powder with biological enzyme catalysis, improves the hardness of the recycled aggregate and closes microcracks and pores, not only effectively improves the mechanical properties of the permeable concrete, but also gives the permeable concrete carbon absorption and carbon fixation performance, realizes low-carbon and environmentally friendly production, and conforms to the current environmental protection and dual-carbon concepts.

The invention discloses a carbon capture device and method, which are used for integrating CO2 absorption and desorption processes of carbon capture in the same device, the device at least comprises: an absorption unit arranged at the upper part of the device; in the absorption unit, the absorption slurry is in contact with carbon-containing gas from top to bottom so as to carry out gas-liquid mass transfer under a high-pressure condition; the solid phase part of the absorption slurry is powder of a supported ionic liquid, and the ionic liquid is an amino-containing ionic liquid; the desorption unit is arranged below the absorption unit and is isolated by a liquid seal; under the vacuum condition, the absorbed slurry is subjected to CO2 desorption in a desorption unit, the desorbed slurry is recycled after being subjected to gas-liquid separation, and CO2 is discharged. According to the invention, the gas-liquid mass transfer efficiency can be effectively improved and the absorption rate of CO2 can be increased through the nano-micro interface strengthening effect; absorption and desorption are integrated into the whole device, different areas are isolated in a liquid sealing mode, and the functions of high-pressure absorption and vacuum desorption can be achieved in the same device.

The invention discloses a low-concentration CO2 catalytic absorption method, and belongs to the technical field of gas separation. The low-concentration CO2 catalytic absorption method comprises the following steps: loading alkaline earth metal oxide MgO, CaO or BaO on the surface of activated carbon to prepare a Lewis base catalyst, and combining an organic amine solvent with the Lewis base catalyst to absorb low-concentration CO2, compared with an existing CO2 absorption method, the method has the advantages that an amino solution CO2 absorption system is improved, the recyclable Lewis base catalyst which is low in cost and high in catalytic activity is prepared, the CO2 absorption capacity and capture rate are improved, the CO2 absorption rate is increased, the investment cost of a capture system can be effectively reduced, and the method is suitable for industrial production. And guidance and reference are provided for engineering design and construction of a carbon capture link.