73results about How to "Compact steps" patented technology

The invention discloses an indoor air quality intelligent control system, which comprises a fresh air unit, a circulation unit and a mixing unit, wherein the fresh air unit is provided with a first fresh air fan, an auxiliary heater, a fresh air filter and a second fresh air fan, the circulation unit is provided with a circulation air filter and a circulation fan, the mixing unit is used for realizing the mixing of outdoor fresh air and indoor circulation air, electromagnetic purification modules are respectively arranged in the fresh air filter and the circulation air filter, all modules are respectively connected onto a driving circuit, the driving circuit is connected with a main controller, and an air quality sensor, a temperature and humidity sensor, a PM2.5 sensor, a carbon dioxide sensor, a press key input circuit and an LCD (liquid crystal display) display circuit are respectively connected onto the main controller. The indoor air quality intelligent control system has the effects that the regulation and control of the outdoor fresh air and the indoor circulation air are integrated, the structure of the system is simple and novel, the arrangement is compact, the installation is convenient, the treatment on the indoor air can be realized, the air quality can be ensured according to requirements, the harm to human bodies caused by outdoor pollution can be reduced, and the energy consumption is reduced.

The invention discloses acrylate modified polyurethane resin for leather finish. The acrylate modified polyurethane resin for leather finish is characterized by being prepared from the following components in parts by weight: 50-65 parts of polyalcohol, 140.1-169.54 parts of solvent, 4-10 parts of chain extender micromolecular alcohol, 0.03-0.04 part of antioxidant, 16-34 parts of isocyanate, 0.02-0.03 parts of catalyst, 0.01-0.02 part of polymerization inhibitor, 2.1-3.6 parts of hydroxyl acrylate, 1.15-1.85 parts of end-capping reagent, 0.68-1 part of initiator and 55-77 parts of acrylic monomer. The invention further discloses a preparation method of the acrylate modified polyurethane resin for leather finish. By adopting polyurethane resin as a base material and acrylate as a main modifying material, the product provided by the invention has the advantages of two resins, and the cost is reduced by over 30% compared with that of pure polyurethane. The acrylate modified polyurethane resin for leather finish disclosed by the invention has excellent composite material performance and higher cost performance, so that the solid content is improved by over 50%.

The invention discloses a ceramic green body injection molding machine and a molding method thereof. The ceramic green body injection molding machine comprises a rack, a support, a mechanical arm, a direct pressure mold opening and closing device, a material feeding mechanism, a product conveying belt, a hopper, a molding mold, a plasticizing cylinder, a screw and a plasticizing motor; the support is vertically arranged in the middle of the rack, the molding mold and the direct pressure mold opening and closing device are arranged on the support, the material feeding mechanism is arranged at the bottom of the rack corresponding to the position below the molding mold, the plasticizing cylinder is horizontally arranged on the rack, one end of the plasticizing cylinder is connected with the material feeding mechanism, the other end of the plasticizing cylinder is provided with a hopper mounting base, one end of the screw extends into the plasticizing cylinder through the hopper mounting base, and the other end of the screw is connected with the plasticizing motor. Accordingly, the structural design is exquisite and reasonable, a traditional horizontal type is changed into a vertical type, the production efficiency is greatly improved, the produced product is good in compactness and smoothness, high in mechanical strength, high in humidity-state resistance value, not likely to break and high in product yield, and the production speed and the efficiency are high.

The invention discloses a method of producing polyaluminum chloride with a wasted anthraquinone regeneration agent. The method includes the steps of: a) mixing the wasted anthraquinone regeneration agent with activated carbon, grinding the mixture into fine powder, adding a combustion agent, and fully stirring the materials to obtain a mixture; b) performing aerobic roasting to the mixture in the step a) to obtain a roasted material; c) mixing the roasted material with hydrochloric acid to dissolve-out the aluminum oxide to obtain a dissolving-out solution; d) slowly adding hydrochloric acid dropwise to the dissolving-out solution, uniformly stirring the solution, after the hydrochloric acid is all added, adding a NaOH solution to regulate the pH value, and performing hydrolytic polymerization aging to obtain a polyaluminum chloride solution; and e) diluting and filtering the polyaluminum chloride solution, evaporating and concentrating the solution, and drying the solution to obtain solid polyaluminum chloride. The method has simple process and fewer steps, is low in investment and cost, and has promoting significance.

The invention discloses a preparation method of conducting lubricating grease. The preparation method comprises the following steps: A, carrying out microwave heating on expandable graphite, raising temperature and expanding the expandable graphite to obtain graphite nano-sheets; B, mixing the graphite nano-sheets in step A with ionic liquid according to the dosage relation of (80mg to 120mg) to (50mL to 500mL); pressurizing and grinding the mixture at 150 DEG C to 250 DEG C; then carrying out ultrasonic treatment on suspension liquid obtained by grinding; after finishing the ultrasonic treatment, centrifuging for 0.5h to 2h; taking supernatant liquid to obtain a conducting lubricating grease additive; C, mixing the conducting lubricating grease obtained by step B with base oil and a thickener according to the ratio of (5 to 10) to (75 to 85) to (10 to 15) and uniformly mixing to obtain the conducting lubricating grease. The preparation method disclosed by the invention has the advantages of simple technological process, compact steps, less investment and low cost; the lubricating grease which has better conducting and lubricating functions at the same time is prepared.

The invention discloses a durable elastic floating body and a preparation method thereof, and belongs to the technical field of high polymer materials. The durable elastic floating body comprises an ethylene-vinyl acetate copolymer, a thermoplastic elastomer TPE, a filler, a foaming agent, a foaming aid, a lubricant, a coupling agent modified anti-ultraviolet agent, a coupling agent modified antioxidant, a coupling agent modified antibacterial agent, a cross-linking agent and a pigment. According to the durable elastic floating body, the surfaces of the anti-ultraviolet agent, the antioxidantand the antibacterial agent are changed into hydrophobicity from hydrophilcity through modification of the coupling agent, the dispersity of an inorganic auxiliary agent in an organic material is improved, the binding force of the inorganic auxiliary agent and the organic material is enhanced, the effect of the inorganic auxiliary agent can be fully exerted, the obtained elastic floating body hasexcellent wear resistance, rebound resilience, antibacterial property and aging resistance at the same time. The preparation method is simple in step and easy to operate, and the elastic floating bodyis formed through one-time foaming, compact in texture, smooth and thorn-free in surface and excellent in quality.

The invention discloses a degradable sealing membrane material preparing method and a product. The degradable sealing membrane material can be degraded in the natural environment after being discarded; furthermore, the material has moderate flexibility and strength, is not prone to breaking, has high flame retardation, adhesive property and thermal stability and excellent heat sealing processability, and has a wide application range; heat sealing can be well achieved between the material and metal especially, and disengagement can not be caused easily. The invention further discloses a method for preparing a metal sealed container made of the degradable sealing membrane material and a product. Through improvement in both technology and structure, heat sealing between a metal container body and a sealing membrane can be well achieved in adhering, hooping and buckling modes, and the condition in the container can be observed more or less due to the semitransparent property.

The invention provides a rotating disc type roll paper packaging machine and a control method thereof, and relates to the technical field of roll paper packaging machines. The rotating disc type rollpaper packaging machine comprises a paper tube core feed and push-in mechanism, a roll containing and tension mechanism, a paper feeding and slitting mechanism, a rotating disc tool mechanism, a gluing mechanism, a color page separating and conveying mechanism, a finished product push-out and discharge mechanism and a controller. Under the control action of the controller, the paper tube core feedand push-in mechanism, the roll containing and tension mechanism, the paper feeding and slitting mechanism, the rotating disc tool mechanism, the gluing mechanism, the color page separating and conveying mechanism and the finished product push-out and discharge mechanism can roll large roll paper into small paper tube cores, preliminary finished products are formed through cutting, color page bonding is further carried out to form products, production efficiency is high, and the manual operation intensity is low.

The invention relates to a method for deep purification and efficient recovery of trace phosphorus in biochemical tail water. The method comprises the following steps: removing organic matters in thebiochemical tail water by using high-crosslinking adsorption resin, and adsorbing phosphorus in the biochemical tail water by using a selective phosphorus removal composite material, thereby implementing deep removal of trace phosphorus in the biochemical tail water. Phosphorus-rich desorption liquid containing high-concentration phosphorus is obtained by desorbing the phosphorus removal compositematerial which is saturated through adsorption, phosphorus is converted into magnesium ammonium phosphate through crystallization and precipitation, magnesium ammonium phosphate is separated out, andtherefore trace phosphorus in biochemical tail water is efficiently recycled. By using the method, deep removal of trace phosphorus in the biochemical tail water can be realized, and the recovered magnesium ammonium phosphate has higher purity, can be used as an agricultural fertilizer, and can generate better environmental benefits and economic benefits.

The invention discloses a slope reinforcement construction method with an intelligent monitoring system. The slope reinforcement construction method comprises a monitoring and early warning system, an engineering protection system and a plant protection system, the problem that the previous reinforcement engineering is lack of the monitoring and early warning system is solved, and the problem of slope instability can be effectively solved and the landslide surface is predicted, thereby ensuring the slope safety and the later operation safety, monitoring and reinforcement are combined, a large amount of slope landslide data can be collected, meanwhile, the slope reinforcement practical significance is achieved, the collected data can provide design parameters for follow-up similar projects, and project waste of saturated design of the similar slope projects is avoided.

The invention discloses a preparation method of a nano aluminum oxide material. The preparation method is characterized by comprising the following steps: (1) preparing a precursor, namely uniformly mixing micron-scale aluminum oxide powder with carbon powder in a molar ratio of 1:(0.5-2), and then pressing into a briquette; (2) preparing sub-aluminum oxide, namely performing heating and heat preservation on the pressed briquette under a vacuum condition with the pressure of 10<-1>-10<-4> Pa until the aluminum oxide reacts with the carbon powder according to 2C+Al2O3=Al2O+2CO and gaseous sub-aluminum oxide starts to be generated; and (3) forming the nano aluminum oxide material, namely lowering the temperature in the step (2), then introducing air, discharging carbon monoxide at the same time to ensure that the gaseous aluminum oxide under the vacuum condition is converted into the nano aluminum oxide material, and collecting nano powder obtained under the vacuum condition, thereby obtaining the nano aluminum oxide material. The invention also discloses the nano aluminum oxide material prepared by the method, and an application of the nano aluminum oxide material in doping of a positive electrode material of a lithium ion battery.

The invention discloses a method for constructing a guide wall in a groove of an underground continuous wall. The digging position of the guide wall is determined according to the axis of the underground continuous wall; , the excavation elevation is controlled by manual trimming; the position of the guide wall is determined on the concrete pad level, and then steel bars are tied, the outer side of the guide wall is replaced by soil formwork, and the inner side is erected with steel formwork; the formwork is removed after the concrete reaches strength, and the inner wall is simultaneously The upper layer supports 80×80mm square timber; add reinforcement bars to make the guide wall a whole and achieve the purpose of impermeability. The construction joints should be staggered from the joints of the underground diaphragm wall; Seams cannot be set on the same section. The construction method has simple and compact steps, the quality of the produced guide wall is stable, meets the design requirements, less material is consumed, the construction period is short, and the production cost is reduced.

The invention discloses a construction method for efficient layered backfilling of earthwork, and relates to the technical field of backfilling construction of earthwork. The construction method comprises the following steps: (1) substrate treatment; (2) layered filling: before filling compaction, the loose laying thickness is not greater than 25 cm and not less than 12 cm; (3) paving and leveling: earthwork is transported from an excavation area to a soil filling area; (4) watering and drying in the sun: the water content of a filler measured on site is compared with an optimal water content,and when the water content exceeds +/-2%, the filler is watered or dried in the sun; (5) rolling: in a rolling process, a road roller is used for conducting prepressing once in a mode of first lightpressing and then heavy pressing from a low position to a high position and from a side to the middle, then flattening is carried out by a bulldozer and then rolling is carried out; (6) detecting: thewater content and the compaction degree of the filled soil are detected; and (7) filling construction of an uppermost layer of soil: an accurate virtual height is reserved according to the field soiltexture and the field pressure test condition. The method has the advantages that the overall construction is standard, the rework probability is greatly reduced, and the construction efficiency is high.

The invention relates to a production and manufacturing method of activated carbon cigarette filters. The method is characterized by including the process steps of performing injection molding of sealplugs, making paper tubes by twisting, automatically arranging the seal plugs into an array, automatically arranging the paper tubes into an array, positioning and combining a seal plug array pore plate and a paper tube array pore plate, pressing the seal plugs into the paper tubes, positioning and combining a measure hopper array device and the paper tube array pore plate, filling the paper tubes with activated carbon, positioning and combining the seal plug array pore plate and the paper tube array pore plate secondarily, pressing the seal plugs into the paper tubes secondarily, boxing activated carbon cigarette filter finished products, performing encasing and the like. The production and manufacturing method of activated carbon cigarette filters is scientific and reasonable and has high efficiency, and the steps are compact.

Provided are an automatic press system and method for artificial diamond production. The system includes an electric control cabinet, a robot and two or more circumferentially distributed presses; the robot includes a mechanical arm and a mechanical hand which is arranged on the mechanical arm, distances between the mechanical arm and the presses are equal, and the working diameter of the mechanical arm is greater than the distances between the mechanical arm and the presses; synthesis cavities and holding-up hammers which are arranged towards the synthesis cavities are arranged in the presses, placement openings for being communicated with the synthesis cavities are formed in the presses, and the placement openings of all the presses are all arranged towards the mechanical arm; a press working parameter collection unit and a processing unit are arranged in the electric control cabinet; the press working parameter collection unit is used for transmitting collected working parameters to the processing unit, and the processing unit separately outputs signals to control the operation of the presses, the mechanical hand, the mechanical arm and hydraulic assemblies; the hydraulic assemblies for providing hydraulic oil for the operation of the presses are arranged under the presses and the electric control cabinet. According to the method, the automatic synthesis of synthesized pieces is achieved, procedures are compact, and the quality of produced artificial diamonds is uniform.