60results about How to "Shorten turnaround time" patented technology

The invention relates to a positioning and speed regulation method of a high-speed stocker applied to a full-automatic three-dimensional warehousing system, in particular to a method for carrying out three-stage positioning on a stacker by adopting a wireless indoor positioning technique, an address encoding positioning technique and an address slice photoelectric positioning technique and carrying out three-section optimized speed regulation on the stacker by selecting a high-speed/low-speed movement mode according to a moving distance. The method has the advantages of low cost, high throughput, low power consumption, high reliability and flexible application and can be widely applied to the fields of material-flow warehousing centers, modern distribution centers and the like, thereby having wide application prospect in the market.

The invention relates to a functional admixture used for early tensioning prestressed structural concrete. The functional admixture comprises the following materials in percent by weight: 5%-95% of carbonate stone powder and mineral admixture; the carbonate stone powder is obtained by processing carbonate ores through processes such as breaking and fine grinding. A preparation process comprises the following steps of: grinding the carbonate ores into fine powder, and uniformly mixing with other mineral powders according to the proportion to obtain the functional admixture. The prepared functional admixture is applied in preparation of cast-in-situ beam concrete; the concrete capable of meeting fast tensioning requirement can be prepared under the premise without increasing the design strength of the concrete; and the problems that the conventional in-cast-situ beam concrete is long in prestressed age and long in construction period are solved.

The invention discloses a quickly dried alcohol based spraying casting coating and a spraying method thereof. The quickly dried alcohol based spraying casting coating comprises the following components in parts by weight: 60-65 parts of fire resistant powder material, 3-4 parts of suspension agent, 15-20 parts of low boiling point solvent, 15-20 parts of medium boiling point solvent, 1-2 parts of bonding agent and 1 part of assistant. The quickly dried alcohol based spraying casting coating can fully meet the spraying usage requirement; according to different castings, different fire resistant materials are used so as to meet the production requirements of different castings.

The invention discloses an automatic lamination production line of a power lithium battery piece, and belongs to battery piece manufacturing. The automatic lamination production line structurally comprises automatic membrane feeding devices, automatic pole piece feeding devices, a power transfer device, a membrane cutting-off device, a mylar unwinding device, a heat sealing machine, a mylar winding device and an automatic battery piece boxing device. The automatic membrane feeding devices, the power transfer device, the membrane cutting-off device and the mylar unwinding device are arranged on a membrane feeding support respectively, the three groups of automatic pole piece feeding devices comprise two groups of automatic negative pole piece feeding devices and one group of automatic positive pole piece feeding devices, and the two groups of automatic membrane feeding devices are arranged between the three groups of automatic pole piece feeding devices. The automatic lamination production line of the power lithium battery piece has the advantages of being capable of saving labor, lowering the labor density of workers, improving the production efficiency and saving materials, high in processing quality, stable and the like.

The invention discloses a cover die for construction of a composite-section ribbed floor and a construction method thereof. The cover die comprises two cylinders or one cylinder and one box or two boxes, wherein each cylinder is of a cylindrical surrounding body structure of which the upper part and lower part are communicated; the cylinders comprise a cylinder I and/or a cylinder II; each box isof a cavity body structure of which one end is opened and the other end is sealed; the boxes comprise a box I and/or a box II; the cylinder I is sheathed above the exterior of the cylinder II, and/orthe box I is sheathed above the exterior of the cylinder II, and/or the box I is sheathed above the exterior of the box II; a lower flange die cavity of a cast-in-situ concrete rib is formed between the cylinder and/or the box; a web plate die cavity of a cast-in-situ concrete dense rib is formed between the adjacent cylinders and/or the boxes. One of the cover die is reserved in a reinforced concrete prefabricated rib cylinder or box, and the other one is a detachable and repeatedly used cylinder die, or is a prefabricated concrete cylinder reserved in the floor. The cover die is a construction die with the advantages that the production is simple; the construction is convenient; the construction period is short; the manufacturing cost is low; the good use effect is obtained.

A thickened oil injection and recovery integrated device comprising an all metal screw pump comprises a polish rod assembly, a permanent magnet motor driving head protection device, a direct drive triphase permanent magnet synchronous motor, a high-temperature and high-pressure sealing assembly, a special steam injection device, a tubing head, a casing head, a surface casing, an oil tube, a torque rod, a torque anchor, a metal screw pump, a centralizer, a tail tube and a screw pump ground control cabinet; the polish rod assembly, the permanent magnet motor driving head protection device, the direct drive triphase permanent magnet synchronous motor, the high-temperature and high-pressure sealing assembly, the special steam injection device, the tubing head, the casing, the torque rod, the torque rod, the torque anchor, the centering guide and the tail tube are arranged from the top down sequentially; the oil tube is sleeved with the casing; the metal screw pump is mounted in the torque anchor; and the screw pump ground control cabinet is connected with the direct drive triphase permanent magnet synchronous motor. The device has the advantages that the device achieves steam injection with the pump, saves preparation time for steam injection and thermal recovery, prolongs a thermal recovery period, simplifies a steam injection huff and puff technology, shortens turnover and well occupation time, improves system efficiency and lowers production cost.

The invention provides an argon blowing method of a ladle turret and a steel ladle argon blowing turret in continuous casting mode. The method comprises the following steps that a, molten steel tapping is carried out, specifically the molten steel tapping temperature of the converter procedure is controlled between 1620 DEG C and 1630 DEG C; b, argon station on oxygen feeding aluminium wire is carried out, specifically a steel ladle is moved to an argon station, the argon front temperature of molten steel is controlled between 1600 DEG C and 1610 DEG C; c, argon station stirring is carried out, specifically the molten steel is stirred for 3-4 min in the argon station after the molten steel on oxygen and feeding wire, the outgoing temperature of the molten steel is controlled between 1595 DEG C and 1600 DEG C; and d, steel ladle argon blowing is carried out, specifically the steel ladle is lifted and conveyed to a continuous casting machine steel ladle argon blowing turret, argon gas isput into a blowpipe of the steel ladle bottom, argon gas argon blowing is open, and the soft argon blowing time is controlled between 15 min and 20 min. The process of the steel ladle argon blowing is moved to the continuous casting turret for implementation, the contradictory problem that the molten steel argon blowing time and the production rhythm is solved. While the production continuity isensured, the purity degree of the molten steel and the yielding rate of alloy are improved, and it is ensured that the quality of the purity degree of the molten steel is met.

The invention relates to an early-strength viscosity-reducing polycarboxylate superplasticizer and a preparation method thereof. The early-strength viscosity-reducing polycarboxylate superplasticizeris prepared from the following raw materials: 90-100 parts of polyether monomer, 1-10 parts of inorganic early-strength component A, 1-5 parts of dispersing agent, 100 parts of water, 1-10 parts of inorganic early-strength component B, a dropwise adding liquid X1, a dropwise adding liquid X2, and 0.5-4.0 parts of initiator, namely hydrogen peroxide, wherein the inorganic early strength component Ais one or more of calcium nitrate, calcium formate, calcium bicarbonate, calcium chloride and calcium acetate, the inorganic early strength component B is one or more of sodium silicate, potassium silicate, lithium silicate and magnesium fluosilicate, the preparation method of the dropwise adding liquid X1 comprises the following steps: dissolving mercaptoacetic acid and sodium formaldehyde sulfoxylate in deionized water to obtain a dropwise adding liquid X1, and the preparation method of the dropwise adding liquid X2 comprises the following steps: dissolving acrylic acid in deionized water to obtain the dropwise adding liquid X2. The invention also provides the preparation method of the early strength viscosity-reducing type polycarboxylate superplasticizer. The inorganic early strengthcomponents and the polyether monomer are introduced, so that the water reducer has early strength and viscosity reduction effects at the same time.

The invention discloses a cement nano-suspension concrete early strength agent and a preparation method thereof. Nanometer Portland cement, a polycarboxylic acid dispersing agent and polyvinylpyrrolidone (PVP) are utilized to prepare a suspension through a special process. The suspension has a remarkable promoting effect on cement hydration, the early strength of concrete is rapidly improved, thestrength can reach 15 MPa or above after 6-8 h, the formwork removal strength requirement of a prefabricated part is met, the formwork turnover period is shortened, the production cost is reduced, andthe concrete early strength agent is low in cost and excellent in performance.

The invention discloses a construction method for polishing an outer mold of a precast box beam. The construction method is used for polishing an inner mold and the outer mold of a precast concrete structural component, brushing a demolding agent on the polished inner mold and the polished outer mold of the precast concrete structural component, and casting a concrete structural article of which the construction period is short in place. The construction method sequentially comprises the following steps: cleaning a base; regulating the size of a wedge block at the bottom of the beam; sticking sealing strips on the outer mold; assembling the outer mold; polishing a formwork, and removing dust; spraying the demolding agent; and after acceptance inspection is qualified, sending semi-finished products into following operation procedures. Handheld polishing equipment is utilized to cleanly polish a staggered platform on the surface of the formwork and residual concrete, an air compressor is used for continuous pressurization so as to spray the demolding agent in a handheld oil tank through a high pressure, the brushing thickness of the demolding agent sprayed in the manner is easier to control than the brushing thickness of the demolding agent sprayed manually, an oil path runoff is not formed in the surface of the formwork, and the color of the outer surface of the box beam can be effectively controlled; the air compressor is adopted to be combined with a spray gun so as to perform pressurized spraying, a uniform isolating layer is formed on the surface of the formwork, and the situation that runoff is formed because too much oil is brushed by using a traditional roller brush is avoided; the concrete surface is smooth after the mold is disassembled, and the appearance color is uniform.

The invention discloses application of a water reducer great in water reduction performance and resistant to mud in recycled aggregate concrete of architecture solid waste. The invention also providesthe recycled aggregate concrete of the architecture solid waste, wherein the recycled aggregate concrete contains the water reducer great in water reduction performance and resistant to mud. The water reducer great in water reduction performance and resistant to mud is based on a macromolecular structural design principle and formed by polymerizing activated monomers containing phosphorous acid functional groups and sulphonic acid functional groups, the macromolecular structure is in a ball shape and contains a great number of amidogen radicals containing positive charge, and therefore the water reducer has superior properties such as great water reduction performance, excellent slump loss resistance and high clay tolerability. The water reducer is used alone or cooperates with other functional polycarboxylate water reducers for use and has excellent water reduction performance and great slump loss resistance for the recycled aggregate concrete of the architecture solid waste.

The invention discloses an application of a clay-resistant water reducing agent with high water reducing rate in concrete with high clay content, further provides the concrete having high clay contentand containing the water reducing agent, and discloses the clay-resistant water reducing agent with high water reducing rate and a preparation method of the clay-resistant water reducing agent. The clay-resistant water reducing agent with the high water reducing rate is prepared from active monomers containing phosphorous acid functional groups and sulfonic acid functional groups by polymerization on the basis of the principle of high molecular structure design. The molecular structure is in the form of clusters and contains a large number of positively charged amine groups, so that the product is endowed with superior properties of high water reducing, high slump retaining and high tolerance to clay. The water reducing agent is used alone or compounded with other functional polycarboxylate superplasticizers for use, and has good water reducing and slump retaining properties for building solid waste recycled aggregate concrete.

The invention relates to preparation and application of a hydrated crystal nucleus concrete coagulation accelerating early strength agent, which takes a water-soluble polymer dispersant as a template and ground Portland cement clinker as a nucleating substance to prepare a hydrated crystal nucleus suspension. Through the synergistic effect of different functional groups of the polymer dispersing agent and the special design of the molecular structure, the polymer dispersing agent can be quickly adsorbed to the surface of the instantly generated C-S-H crystal nucleus and has a stable dispersing effect, meanwhile, the C-S-H crystal nucleus is prevented from further growing and becoming larger, the size (30-120 nm) of the crystal nucleus is effectively controlled, and coagulation of crystal nucleus suspension liquid is avoided. The crystal nucleus suspension can significantly promote the hydration of cement, quickly improve the early strength of concrete, effectively shorten the initial and final setting time of concrete, meet the form removal strength requirements of prefabricated parts within 6-8 hours under natural conditions, and greatly shorten the mold turnover period.

The invention relates to the technical field of clothes management, and in particular relates to a clothes sharing system. The clothes sharing system comprises a server and an intelligent wardrobe which are in communication connection, the intelligent wardrobe comprises a wardrobe body, an electronic reader and a sterilization nursing device, the wardrobe body comprises a first clothes storage room and a second clothes storage room, the first clothes storage room is used for placing clothes needing to be rented, and the second clothes storage room is used for storing clothes needing to be recycled; the electronic reader can read the electronic tags on the clothes placed in the wardrobe body and can upload the read electronic tag information to the server; when a user puts borrowed clothes back to the first clothes storage room, the server can give a sterilization instruction to a sterilization nursing device to sterilize and nurse the clothes; and when the borrowing times of the clothes reach the set times, the server can send a prompt of returning the clothes to the second clothes storage room to the user borrowing the clothes. Through the arrangement, the turnover period of each piece of rented clothes is greatly shortened, turnover is accelerated, and benefits are improved.

The invention relates to preparation and application of a cement clinker hydration suspension concrete early strength agent. The cement clinker hydration suspension concrete early strength agent is composed of a phosphonic acid-based dispersant which is adopted as a template, and ground Portland cement clinker adopted as a nucleating substance. Polyphosphonic acid groups in the dispersant are usedas anchoring groups of hydrated C-S-H, and a methoxypolyethylene glycol (MPEG) long chain provides a steric hindrance effect, so that the effects of stably dispersing and controlling the crystal nucleus size are achieved, and coagulation of a crystal nucleus suspension is avoided. The crystal nucleus particle size of the prepared cement clinker hydrated suspension concrete early strength agent can reach 30-120 nm; the early strength agent has more outstanding early strength performance, and can effectively shorten the initial setting time and the final setting time of concrete; and under thenatural curing condition, the strength of the concrete can reach 15 MPa or above after 6 h.

The invention discloses an application of a mud-resistant slump-retaining type water reducing agent to building solid waste recycled aggregate concrete and further discloses the building solid waste recycled aggregate concrete containing the mud-resistant slump-retaining type water reducing agent. On the basis of the principle of polymer structure design, a water-soluble polymer PEI (polyethyleneimine) is modified through a Mannich reaction, phosphorous acid functional groups are introduced, and the slump-retaining type water reducing agent with special tolerance to mud and recycled aggregatepowder is synthesized. The molecular structure of the product contains a large amount of amino with positive charges and is in a cluster shape, the cluster structure is physically cross-linked, a complexing adsorption layer is formed on the surface of cement particles, excellent slump-retaining capacity is obtained, and defects of poor dispersity and low water-reducing rate of a slump-retaining type polycarboxylate superplasticizer in the market are overcome; the mud-resistant slump-retaining type water reducing agent is used independently or compounded with other functional polycarboxylate superplasticizers for use and has good water reducing and slump retaining performance for the building solid waste recycled aggregate concrete.

The invention discloses a method for clamping porous parts by applying a general vacuum platform. Holes are milled when reference surfaces of parts are machined; the holes are filled by using gypsum,and are sealed by using special adhesive tapes; and then, the general vacuum platform is used for clamping. An avoidance part has no need to be considered on the general vacuum platform, so that the whole part absorbing area is increased, the vacuum absorbing strength is improved, and the manufacturability of the parts is improved; an avoidance area has no need to be arranged on the vacuum platform regardless of increase or decrease of the number of the holes in the parts, so that the production cost is reduced and the part transfer period is shortened; and the method is simple and easy to operate, improves the generality of the general vacuum platform, and reduces the cost.

The invention discloses an export tax refund and financing method and device based on a block chain, and a medium, the export tax refund and financing method based on the block chain completely publishes information on the whole industrial block chain on the block chain through the block chain, through repeated confirmation of multiple mechanisms, the real transparency of the information is improved. And machine learning risk modeling is carried out by using block chain data, a risk control model of export tax refund loan is constructed, a supervision department data island is broken through, the authenticity and non-tampering property of the data are ensured through a block chain cryptography principle and a chain structure, and the problems of low efficiency and export tax fraud caused by information asymmetry are reduced. According to the invention, the information of all participants is recorded on the block chain, the supervision data is shared, the risk can be systematically measured, the trust degree among the participants can be deepened, and false cheating behaviors such as false orders and counterfeit certificates which may occur in export tax refund financing business are completely eradicated.

The invention relates to the technical field of building materials, and discloses a lightweight thermal insulation board and a preparation method thereof. The lightweight thermal insulation board is composed of: 300-500 parts of auxiliary gelling material, 30-50 parts of activator, and 100 parts of modifier ~200 parts, 500~1200 parts of aggregate, 20~60 parts of thickener, 150~250 parts of water; among them, the chemical composition of the cementitious material is CaO+SiO ₂ +Al ₂ o ₃ >80%; Modifier composition: 5~20 parts of titanium white slag, 25~40 parts of lithium slag, 20~40 parts of attapulgite, 20~50 parts of carbide slag, 5~15 parts of fluorite powder, 5 parts of zinc iron slag ~15 parts; aggregate composition: 10~30 parts of slag sand, 10~20 parts of pearlescent sand, 5~20 parts of closed-cell perlite, 30~75 parts of lightweight aggregate. The invention adopts a large amount of industrial wastes to prepare the lightweight thermal insulation board with low cement consumption, low bulk density, high strength and good thermal insulation effect.