50results about How to "Solve the waste problem" patented technology

The invention discloses an automatic generation method of a cable bridge based on an EXCELVBA (visual basic for applications) technology and computer aided drawing. The method comprises the following steps: a, defining a weight conversion table of specification, cross area and unit length of a cable in a computer system; b, inputting a cable list and a routing table into the computer system; c, calculating the cable cross area capacity and weight of each branch section according to the cable list and the routing table; d, defining the cable cross area of a single-layer bridge to obtain the number of bridge layers of each branch section; and e, generating a material list, a cable bridge diagram, a cable passage trending schematic diagram and a cable network node diagram according to the number of bridge layers in the step d. According to the method, the cable bridge diagram and the material list can be generated automatically, so that cable construction and design checking are facilitated.

The invention discloses a simple steel frame plywood formwork, which comprises borders and a panel fixedly connected with the frame, and is characterized in that the border is steel border, and the panel is a plywood panel; the top and the bottom of the outer side of the plywood panel are respectively connected with transverse ribs between the two borders, and a vertical rib is arranged between the top and the bottom of the outer side of the plywood panel positioned on a border; and preformed holes are arranged on the steel borders, and split bolt holes are arranged on the plywood panel. The invention also discloses an assembling method of the formwork. The formwork of the invention has light weight, high strength and convenient disassembly.

The invention discloses application of imine reductase and a mutant thereof in synthesis of (S)-1-aryl-1, 2, 3, 4-tetrahydroisoquinoline, and belongs to the field of enzyme engineering. The imine reductase provided by the invention is one of the following enzymes: IR45, IR96 and IR99 as shown in SEQ ID NO. 1-3, having corresponding coding nucleotides preferably as shown in SEQ ID NO. 1-3; the mutant of the imine reductase is one of mutants IR45-W191A and IR45-W191L of IR45 and mutant IR99-L173Aof IR99. The imine reductase or the mutant thereof can catalyze a compound of formula I to synthesize a compound of formula II, wherein R in the formula I and the formula II is hydrogen, methoxy or halogen; the catalysis efficiency is high; the obtained target product has high optical purity, simple post-processing and good environmental-protection and safety.

The invention discloses a material splitting method and a material splitting device. The material splitting method is characterized in that at least two rotary working tables capable of rotating are arranged around the outer side of a disk main cutting device which serves as a cutting center for wood leftover materials; a plurality of clamps for clamping the wood leftover materials are arranged in the circumferential directions of the rotary working tables, so that all the rotary working tables can drive the wood leftover materials on the clamps to get close to the disk main cutting device and cut the disk main cutting device when rotating; planetary disk cutting devices are arranged on the outer sides of the rotary working tables; in the vertical directions, the cutting heights of the planetary disk cutting devices are less than the height of the disk main cutting device; and the cutting stations of the planetary disk cutting devices are behind the disk main cutting device, so that the wood leftover materials are firstly cut by the disk main cutting disk and then enter the cutting stations of the planetary disk cutting devices, to realize fine cutting of the wood leftover materials. The material splitting method and the material splitting device are simple in structure and convenient to use, and the production cost is reduced.

The invention discloses a chromatograph sample bottle which comprises a bottle mouth and a bottle body, wherein, the bottle body is provided with an inlet tube and two outlet tubes and the inner cavity of the bottle body is provided with a sample tube; one end of the sample tube is connected with one of the outlet tubes, while the other end thereof is communicated with the inlet tube and the inner cavity of the chromatograph bottle body. The chromatograph sample bottle of the invention has special and novel structure and is convenient for storing flowing samples, especially suitable for storing samples with large flow or higher flow speed, and can be suitable for various chromatograph sample ways such as entering a sample needle and fetching the sample, thus solving the problems of sample storing, sample fetching and waste discharging of the flowing samples with large flow rate, being convenient for the real-time analysis of the samples in different reacting time segments, effectively increasing the accuracy of the analyzing result and establishing a basis for a comprehensive and accurate sample analysis.

The invention relates to a penaeus japonicus head ACE (angiotensin converting enzyme) inhibiting peptide and a preparation method thereof. The amino acid sequence of the penaeus japonicus head ACE inhibiting peptide is His-Ala-Phe. The preparation method includes the steps: raw material pretreatment; ultrasonic-assisted enzymolysis; filter membrane ultrafiltration treatment; ion exchange column treatment; gel column treatment; reverse efficient liquid chromatography. The penaeus japonicus head ACE inhibiting peptide has strong ACE inhibiting activity, penaeus japonicus heads serve as raw materials, the problem of leftover generation in the processing process of penaeus japonicus is solved, and the penaeus japonicus head ACE inhibiting peptide has theoretical significance for further improving economic values of the penaeus japonicus. Besides, ultrasonic treatment is combined with protease enzymolysis, hydrolysis rate is increased, effective components in the raw materials are sufficiently extracted, extraction rate is increased, an extraction mode is mild, the effective components to be extracted cannot be damaged, and the penaeus japonicus head ACE inhibiting peptide with a reliable structure is obtained by multiple separation and purification and stepwise selection.

The invention relates to a linear-section type immature soil wall with a built-in steel and wood mesh and a manufacturing method of the linear-section type immature soil wall with the built-in steel and wood mesh and belongs to the technical field of structural engineering. The linear-section type immature soil wall with the built-in steel and wood mesh is suitable for low-rise and multi-storey rural building structural systems. The steel and wood mesh which is composed of small-diameter wood and galvanized wires is arranged in the linear-section type immature soil wall. Compared with a traditional immature soil wall structure, the integrity is greatly improved, the anti-seismic property can be improved by 20%, and the bearing capacity can be increased by 25%; in addition, the small-diameter wood is fully developed and utilized, the problem of waste of the small-diameter wood is well solved, and environmental friendliness and low-carbon performance are really achieved.

The invention discloses a water-saving reverse osmosis (RO) machine. An outlet of a pretreatment filter element is communicated with a water inlet, and an outlet of the pretreatment filter element is communicated with an inlet of an RO treatment unit; a booster pump is arranged on an inlet pipeline of the RO treatment unit; a pure water outlet of the RO treatment unit is communicated with a pure water outlet; one end of a reflux pipe is communicated with a concentrated water outlet of the RO treatment unit, and the other end of the reflux pipe is communicated with the inlet of the pretreatment filter element; a high flow throttle valve is arranged on the reflux pipe; a pipeline where concentrated water from the concentrated water outlet of the RO treatment unit passes through is a circulating pipeline; an inlet of a low flow throttle valve is communicated with the circulating pipeline, and an outlet of the low flow throttle valve is emptied. According to the water-saving RO machine, the concentrated water flowing out of the concentrated water outlet of the RO treatment unit completely flows back to the inlet of the pretreatment filter element, and the discharge flow of the low flow throttle valve is obviously less than the discharge flow of a conventional throttle valve, so that the water-saving RO machine can remarkably improve the water resource utilization rate when used for producing water.

The invention belongs to the field of chemical synthesis, and concretely provides a preparation method of dicyandiamide. The method comprises the following steps: a dehydration and polymerization reaction is carried out under existence of an acid binding agent triethylamine for urea and phosphorous oxychloride in order to obtain dicyandiamide; the reaction is carried out at 50 DEG C and at a normal pressure, and after the reaction ends, alkali washing, filtering, extraction and condensation are carried out in order to obtain dicyandiamide. Dehydration of urea is carried out in order to preparedicyandiamide, the waste residue problem generated in the traditional process can be effectively solved, and the method has the advantages of energy saving, green and environmental protection, high yield, simple process, and the like.

The invention provides a combined die cutting die which is capable of reducing burr and improving die cutting size precision during die cutting. The combined die cutting die comprises a laser cutting die and an etching cutting die, wherein the laser cutting die comprises a laser cutting die plate and a cutter blade embedded in a seam of the surface of the laser cutting die plate, the etching cutting die comprises an etching cutting die plate and a cutter point formed on the surface of the etching cutting die plate, the etching cutting die plate is detachably connected onto the laser cutting die plate, and the cutter blade and the cutter point form a cutter of the combined die cutting die.

The invention relates to the technical field of building curtain walls, in particular to a house outer wall heat-insulating material pouring and decorating integrated construction system. The house outer wall heat-insulating material pouring and decorating integrated construction system comprises fixing assemblies fixedly connected to a wall to be subjected to decorating and heat insulating treatment, an edge closing groove is formed in each fixing assembly, and decorating plates are clamped into the edge closing grooves of the adjacent fixing assemblies. A cavity defined by the decorating plates arranged on the outer side of a house in an enclosing mode and the wall is filled with a heat-insulating material. According to the house outer wall heat-insulating material pouring and decoratingintegrated construction system, fasteners are fixed outside the wall surface, then the decorating plates are spliced and mounted between the fasteners, the cavity between the decorating plates and the wall is filled with the heat-insulating material in a poured mode, and thus cold-hot bridge existence is avoided; and the space between the decorating plates and the wall is densely filled with theheat-insulating material, so that gaps between a heat-insulating layer and the decorating plates as well as the heat-insulating layer and the wall are effectively eliminated, and the excellent heat-insulating effect is ensured accordingly.

Provided is a method for recycling stone coal navajoite waste slag. The method comprises the steps, mixing waste slag obtained after vanadium is extracted from stone coal navajoite, coke and starch according to the weight ratio of 50:(8-15):(0.8-1.5) to form a mixed material, performing ball milling, adding villiaumite reducing a melting point of the mixed material, and pressing to form honeycomb-shaped block pieces; placing the block pieces and quicklime in an electric arc furnace, and performing vacuum melting; enabling the adding amount of the quicklime to be subjected to the fact that thepH of furnace slag is controlled within a range between 1.5 and 2.5; after furnace burden in the electric arc furnace is fully melted, shaking the electric arc furnace to enable furnace liquid to fully react, and then discharging slag; adding chromium oxide with the purity not lower than 99% into the furnace burden after the slag is discharged so as to continue the reaction, and enabling C and Siimpurities in the furnace burden after the slag is discharged to be fully oxidized by adding chromium oxide; controlling the temperature of the electric arc furnace in the melting and reaction process of the furnace burden at 1,850K-1,950K; obtaining a primary product after cooling, layering and slag removal; and adding carbon powder with the quality purity not lower than 99% into the primary product, performing oxidation-reduction reactions in a vaccum furnace so as to reduce hydrogen content and oxygen content in the primary product and obtain a pure product.

The present invention involves the field of energy conservation and insulation in the building, and specially involves a decorative sound absorption and insulation structure for the interior wall of the building. The fastening part is connected to the wall.There is a groove groove and downward slot on the wall surface and the downward slot on the wall; the edge slot and the card slot are inserted into the square parallel and the interval layout of the internal soundproof board and the outer decorative plate that is arranged from the wall.The internal sound absorption board and the outer decorative plate are equipped with a hole through the plate surface, and the internal sound absorption board and the wall surface are filled with a thermal insulation layer; setting fastening parts near the wall is used for internal sound absorption boards and external decorative board cards.Putting fixation, through the intake insulation material to achieve the tight admission between the thermal insulation layer and the internal sound absorption board and the wall surface, solve the problem of the hot and cold bridge, and ensure the thermal insulation effect.Effectively filter the noise, and achieve an integrated solution for decoration, thermal insulation, and sound absorption.

A self-service automatic serving device belongs to the field of catering. It is composed of a plate holding mechanism, a plate conveying mechanism, a tray serving mechanism, a dish setting mechanism and an overall frame. The fully automatic design and human-computer interaction through the display bring convenience and convenience to the choice of diners. The overall structure design not only solves the technical problem of automatic clamping and transportation of dishes, but also solves the problem of separate distribution of vegetable soup and pairing of dishes. The technical difficulty of heat preservation treatment of dishes; the unique design of the plate clamping mechanism through the clamping plate and the embedded block and other components in the plate conveying mechanism can realize the rapid and automatic clamping and transportation of the plate, and improve the overall The rapidity of the device; the movement of each mechanism is monitored by limit switches, which improves the accuracy of the overall device, etc., so that the self-service automatic serving device brings a better dining experience to diners.

The invention discloses a laser cladding workpiece clamping device having a powder recovering function. The laser cladding workpiece clamping device comprises a two-stage horizontal speed reducer; aninput shaft of the two-stage horizontal speed reducer is connected with a motor; an output shaft disc of the two-stage horizontal speed reducer is connected with a supporting frame; an air cylinder and a recovering barrel are fixed in the supporting frame; the telescopic end of the air cylinder is connected with a workbench; the axial direction of the air cylinder is arranged in the vertical direction; the workbench inclines when a piston rod of the air cylinder stretches out, the lowest end of the inclined workbench is located above a barrel opening of the recovering barrel, the edge of the workbench is movably connected with the supporting frame through a connecting piece, and the connecting piece is of a rotary pair structure. According to the laser cladding workpiece clamping device, rotary parts of different structures can be rapidly and effectively repaired, fixed and installed, and the laser cladding working efficiency is improved; most importantly, powder can be prevented fromsplashing out of the working platform in the cladding process, all unmelted powder can be recycled, the problems of powder pollution and waste in the laser cladding process are effectively solved, andpollution and potential safety hazards in a working place are reduced.