68results about How to "Meet recycling" patented technology

The invention discloses a numerical control shot peening strengthening machine; the shot peening chamber of the numerical control shot peening strengthening machine is provided with a numerical control rotating working platform which is controlled by CNC and is provided with two freedoms with C-direction rotation and Y-direction moving; a numerical control mechanical arm which is provided with four freedoms of B and C-direction rotation as well as X and Y-direction moving. A workpiece is clamped on the working platform; an outer wall lance is clamped by the numerical control mechanical arm to carry out shot peening strengthening on the outer surface of the workpiece. The Z-direction trailing bar of the moving mechanism of the numerical control mechanical arm is vertically provided with a dismountable inner hole lance which can carry out shot peening strengthening on the surface of the inner hole of the workpiece. Aiming at the programming processing procedure of different parts, the invention can carry out accurate and uniform shot peening strengthening processing on each shape of surface thereof. Compared with the prior art, the numerical control shot peening strengthening machine of the invention has high automatization degree and can realize precious control on the position and the angle as well as the moving speed of a spot flow and the flux of the spot. The numerical control shot peening strengthening machine of the invention solves the defect that the shot peening strengthening on the parts with complex surface shapes can not preciously control the distance between a lance and the surface of the part, the spot angle as well as the flow and the speed of the spot.

The invention relates to a saltless dyeing method for a fabric modified by a cationic polymer. The method comprises the steps that the fabric is placed in a pretreatment solution to be pretreated; pretreatment includes steeping or padding, baking, cold washing and drying are performed to obtain a modified fabric; the modified fabric is placed into a dye bath, and a dip dyeing technology or padding-rolling-steaming technology is adopted for dyeing to obtain the saltless dyeing fabric. The method is easy and convenient to implement and environmentally friendly; meanwhile, a polymer modifier is low in consumption, easy to recycle and capable of meeting the requirements of energy conservation, emission reduction and environmental friendliness of a dyeing and printing enterprise; the traditional salt dyeing effect can be achieved without any inorganic salt or leveling agent, and the requirements for leveling property and color fastness are met.

The invention discloses high-calcium coal ash cement and a preparation method thereof. The high-calcium coal ash cement comprises the following components by mass percent: 30-50% of silicate cement clinker, 40-60% of high-calcium coal ash, 3.1-3.3% of desulfurization gypsum, 4.8-5.0% of silica fume, 1.0-1.1% of water glass and 0.7-1.0% of a composite activator, wherein the composite activator is a mixture of triethanolamine and sodium sulfate. According to the high-volume high-calcium coal ash cement provided by the invention, the utilization rate of coal ash can be increased, the consumption of the silicate cement clinker can be reduced, the industrial byproducts-desulfurization gypsum and silica fume are used as the raw materials, and the treatment and recycling requirements of industrial waste residues can be met.

The invention discloses a direct current furnace condensate recovery system and method based on high and low pressure condensate flash tanks. The direct current furnace condensate recovery system comprises a separator, a separator water storage tank, the high pressure condensate flash tank, the low pressure condensate flash tank, a deaerator, a condenser, a unit drain tank, other steam users and astarting condensate pump. Condensate of the separator passes through the separator water storage tank to enter the high pressure condensate flash tank. Steam in the high pressure condensate flash tank is conveyed to the deaerator and other steam users for heat recovery, redundant steam is discharged to the low pressure condensate flash tank and is discharged to the atmosphere through an exhaust pipe. When water is qualified, the condensate is discharged to the deaerator for heat recovery, or redundant condensate is discharged to the condenser, and the working medium is recovered. When water is unqualified, the condensate is discharged into the low pressure condensate flash tank and is discharged to the unit drain tank through the starting condensate pump.

The invention relates to a phase change heat storage material with a core-shell structure and a preparation method of the phase change heat storage material. The technical scheme comprises the following steps: putting aluminum-silicon alloy powder in pretreatment liquid in a mass ratio of the aluminum-silicon alloy powder to the pretreatment liquid of 1 to (10-100), performing stirring for 10-30min, and performing filtration and drying to obtain surface-modified aluminum-silicon alloy powder; uniformly mixing the surface-modified aluminum-silicon alloy powder with a catalyst in a mass ratio ofthe surface-modified aluminum-silicon alloy powder to the catalyst of 1 to (0.001-0.005) to obtain catalyst-adsorbed aluminum-silicon alloy powder; and putting the catalyst-adsorbed aluminum-siliconalloy powder in a muffle furnace, performing roasting for 2-8h at 600-850 DEG C in oxygen-rich atmosphere, and cooling to room temperature to obtain the phase change heat storage material with the core-shell structure. The preparation method has the characteristics of low cost, simple process and easy industrial production, and the prepared phase change heat storage material with the core-shell structure has good dispersibility, multiple times of thermal circulation and high heat utilization ratio.

The invention discloses an efficient swimming pool heat pump dehumidifier and a working method thereof. The efficient swimming pool heat pump dehumidifier comprises a multipurpose heat exchanger and two or more than two refrigerating circulation systems, the multipurpose heat exchanger is installed between evaporators and reheating condensers of the two refrigerating circulation systems, differentmedia are introduced into the multipurpose heat exchanger in different seasons, and then different functions are achieved. According to the efficient swimming pool heat pump dehumidifier and the working method thereof, the multipurpose heat exchanger can meet different using requirements as needed, air can be treated step by step, various energy sources with different kinds of quality are fully utilized, and the purpose of improving the comprehensive energy efficiency is achieved; meanwhile, unit condensation heat is recycled and reutilized, the air feeding state is adjusted and improved, andthe pool hall temperature and humidity and the pool water temperature are adjusted; and in addition, air exhaust cold is recycled and used for lowering the unit condensation temperature, and the energy efficiency is improved. The unit integrated structure is adopted, an outdoor unit is omitted, energy loss brought to the refrigerating systems by long distance and large altitude difference is avoided, and the whole energy efficiency is improved from the multiple aspects.

The invention provides all-steel radial tyre. The all-steel radial tyre comprises the components in parts by weight: 16.5 parts of butylbenzene resins, 10 parts of rubber powder, 3.5 parts of zinc oxide, 3.0 parts of stearic acid, 1.0 part of a rubber anti-aging agent RD, 10 parts of reinforcing resins, 100 parts of natural rubber STR20, 50 parts of carbon black N375, 4.7 parts of aromatic hydrocarbon oil, 10 parts of high styrene resins, 1.0 part of microcrystalline wax, 2.74 parts of insoluble sulfur, 1.0 part of a rubber accelerator DZ, 1.0 part of a rubber accelerator HMT, 0.4 part of a rubber anti-scorching agent CTP and 50.2 parts of small powder. According to a raw material preparation unit, a rubber compound unit, a semi-finished part unit, all part molding rough tyre units and a rough tyre vulcanization unit, the all-steel radial tyre is manufactured. The all-steel radial tyre has the advantages that in the manufacturing process, the viscosity of the materials is moderate, winding cloth is convenient to separate so as to avoid the adhesion phenomenon of winding parts, the production efficiency is improved, and the production cost is reduced.

The invention relates to a treatment method of fluorine-containing nickel slag generated in a nitrogen trifluoride preparation process, and belongs to the technical field of harmless treatment of nickel-containing hazardous wastes. The method comprises the following steps: (1) crushing the fluorine-containing nickel slag into solid powder; (2) dissolving the fluorine-containing nickel slag solid powder by using a hydrofluoric acid solution, performing stirring at 30-60 DEG C, and adding an oxidizing substance in the stirring dissolution process until the fluorine-containing nickel slag is completely dissolved to obtain a mixed solution a; (3) adjusting the pH value of the mixed solution a to 3.5-4.5 by using ammonia water, and performing filtering to obtain ferric hydroxide precipitate and a mixed solution b; and (4) continuing to adjust the pH value of the mixed solution b to 6.5-7.5 with the ammonia water, performing filtering to obtain nickel fluoride and a mixed solution c, heating and concentrating the mixed solution c, and performing cooling crystallizing to obtain ammonium fluoride and a mixed solution d. The method realizes recovery and cyclic utilization of nickel metal resources and ammonium fluoride, and can significantly reduce the production cost of nitrogen trifluoride.

The invention discloses a preparation process for improving phloroglucinol by a membrane method. The preparation process comprises the following steps: S1, dissolving 2,6-dichlorophenol or 2,4-dichlorophenol served as a reaction substrate in an inert solvent, adding a potassium hydroxide solution to eliminate dimolecular hydrogen chloride, carrying out addition with water to generate a phloroglucinol potassium salt solution, and acidifying the phloroglucinol potassium salt solution with a hydrochloric acid solution to obtain a mixed solution of phloroglucinol and potassium chloride; S2, filtering the mixed solution, and separating through an electrodialysis system to respectively obtain a phloroglucinol crude product and a potassium chloride solution; S3, introducing the potassium chloridesolution into a three-compartment bipolar membrane electrodialysis system to respectively obtain a potassium hydroxide solution and a hydrochloric acid solution; and respectively refluxing the potassium hydroxide solution and the hydrochloric acid solution into the potassium hydroxide solution and the hydrochloric acid solution in S1. The method has the advantages of simple operation, no generation of by-products and process wastewater, high realization of resource utilization, high automation degree, great reduction of the production cost, and good industrial application prospect.

The invention belongs to the technical field of environmental remediation materials, and relates to enteromorpha hydrogel for rapidly removing pollutants as well as a preparation method and application of the enteromorpha hydrogel, the preparation method comprises the following steps: (1) removing impurities from enteromorpha, cleaning, freeze-drying, crushing, screening with a 90-120-mesh screen to obtain large-particle-size enteromorpha powder, and screening with a 300-500-mesh screen to obtain small-particle-size enteromorpha powder; (2) dissolving chitosan in an acetic acid aqueous solution, adding the large-particle-size and small-particle-size enteromorpha powder into the acetic acid aqueous solution, and stirring to obtain a mixed solution; (3) dropwise adding a cross-linking agent into the mixed solution while stirring, and freeze-drying after gel is formed; and cleaning to obtain the enteromorpha gel. The high-strength enteromorpha hydrogel is prepared by interpenetrating network crosslinking of enteromorpha with different particle sizes and a natural biological material chitosan, and a new composite material is provided for removal of pollutants; the method can be used for removing methyl orange dye in a water environment; meanwhile, the problems that existing enteromorpha is difficult to utilize, deep processing is needed in the preparation process and the like are solved.

The invention relates to an automatic recovery system of scutching machines for hemp fibers. The automatic recovery system comprises at least one scutching machine and a baler. Discharge ends of the scutching machines are provided with collection hoppers. The automatic recovery system further comprises a recovery device including first cotton-conveying pipelines, a first cotton-conveying fan, a cyclone separator and a second cotton-conveying pipeline. One end of the first cotton-conveying pipelines are communicated with discharge ports at lower ends of the connection hoppers and the other ends of the first cotton-conveying pipelines are communicated with an air inlet of the first cotton-conveying pipeline. An air outlet of the first cotton-conveying fan is connected with one end of the second cotton-carding pipeline. The other end of the second cotton- conveying pipeline is connected with a feeding port of the cyclone separator. A discharge port of the cyclone separator is connected with a feeding port of the baler. An air exhaust of the cyclone separator is used for outwardly exhausting separated air. The automatic recovery system of the scutching machines for hemp fibers has following beneficial effects: by means of the recovery device, hemp fibers subjected to opening treatment are conveyed to the cyclone separator and the cyclone separator is used for conveying opened hemp fibers to the baler for baling operation and recovery; intensity of manual labor and production cost are decreased; generation efficiency is raised; hemp fibers are prevented from flying away so that air pollution is avoided; and no damage is caused to human bodies.

The invention discloses a horizontal micro-integrated hydro-generator set, which comprises a chassis arranged on the ground foundation, a micro-turbine fixedly installed on the left side of the upper part of the chassis, and a miniature water turbine fixedly installed on the right side of the upper part of the chassis. Brush excitation generator; the internal rotation of the miniature brushless excitation generator is provided with a main shaft, and the front end of the main shaft is arranged in the front end cover of the miniature brushless excitation generator through two ball bearings, and the front end of the main shaft It is fixedly arranged on the runner of the micro-turbine; the rear end of the main shaft is arranged in the rear end cover of the miniature brushless excitation generator through a cylindrical roller bearing, and the rear end of the main shaft is fixedly connected with a flywheel. The invention can not only develop and utilize the recyclable or multi-functional hydraulic resources hidden in daily production and daily life, but also has a simple structure and does not require complex on-site assembly and debugging, which greatly shortens the construction time of hydropower stations.

The invention discloses a Ta metallurgical by-product composite salt recycling method. The method comprises the following steps: (1) after separating by-product composite salt produced during the Ta metallurgical process from Ta powder, the composite salt is rinsed with deionized water to remove the residue Na, and then the rinsed composite salt is crushed by a crusher and dried to obtain the treated composite salt; and (2) the treated composite salt is used as diluent, and is mixed with potassium fluotantalate based on certain proportion according to the process requirements and the mixture is taken to a furnace, and the Na is inlet for metallurgy process restoration to obtain the Ta powder. The by-product composite salt produced during the Ta metallurgical production process is used to produce the metallurgical-level Ta powder as the diluent, so that the recycling of the by-product composite salt is realized, the environmental problem caused by the by-product composite salt is avoided, and at the same time, cost is greatly saved. The method also has the advantages that the reuse of waste resources is realized, environmental pollution is reduced, direct yield of the Ta powder is effectively improved, and the Ta powder prepared according the recycling method meets the industry standard of metallurgical Ta powder.

The invention discloses a garden pruning auxiliary tool and a garden pruning crushed leaf collecting method. The device comprises a sector groove which comprises a wide end and a narrow end, the wideend converges to the narrow end in a sector shape and achieves diversion from high to low, a falling opening is formed in the portion, close to the narrow end of the sector groove, of the bottom faceof the sector groove, and a fence is arranged on the downstream portion of the falling opening upwards enclosedly; a collection bag is connected to the lower end of the falling opening; a damping articulation piece is arranged at the narrow end of the sector groove, a clamping plate is connected to the narrow end of the sector groove through the damping articulation piece, the clamping plate converges for clamping towards the outer contour surface of the narrow end of the sector groove and is clamped on the pot wall, and an angle support structure is arranged on the outer contour surface of the narrow end of the sector groove; the falling opening is a material falling channel, and the falling opening is internally provided with an electric breaking structure. Accordingly, the structure issimple, the pruning collecting method is simple, and crushed leaf and crushed branch recovery processing during daily pruning maintenance of a garden can be effectively met.

The invention belongs to the technical field of preparation of glyceryl monobutyrate, and discloses a preparation process of glyceryl monobutyrate and a magnetic solid catalyst, the magnetic solid catalyst comprises: a carrier composed of Fe3O4 magnetic nanoparticles; the dispersed modification layer is formed by coating the carrier with polyacrylic acid; the porous composite layer is formed by crystallizing activated carbon, silicon dioxide and concentrated sulfuric acid and is attached to the outside of the dispersion modification layer, and sulfonic acid groups are distributed in pore channels of the porous composite layer; in conclusion, the magnetic material is introduced into the solid acid catalyst, so that the solid acid catalyst has certain magnetism and reaction stability under the condition of keeping relatively high catalytic activity; and the magnetic material carrier is coated with polyacrylic acid, so that the agglomeration phenomenon of nanoparticles of the magnetic material is effectively avoided, and the magnetic solid catalyst can effectively form uniform catalysis in the esterification reaction.

The invention discloses a plate withdrawing mechanism with stable and efficient separation. The plate withdrawing mechanism comprises a conveying rail and is characterized in that the conveying rail is horizontally arranged, sliding grooves are correspondingly arranged in left and right front and rear sliding rails from front to back, rollers are rotatably arranged at two ends of a connecting cross rod, the width of a limiting clamping block is the same as that of a vertical rod, and the limiting clamping block and the vertical rod can penetrate through gaps between adjacent conveying rollers.According to the plate withdrawing mechanism with stable and efficient separation, the structural design is reasonable, the operation is convenient and rapid, bricks are prevented from being carriedmanually through the withdrawing of a supporting plate below the bricks by arrangement of a movable seat provided with a lifting cylinder and a lifting plate, the vertical rod provided with the limiting clamping block, and the baffle plate, the labor intensity of separation of the bricks and the plate is effectively reduced, the plate withdrawing efficiency is improved, the withdrawing is stable through the connecting cross rod provided with the rollers, the recycling of the supporting plate is met, and therefore, stacking efficiency of subsequent bricks is guaranteed.

The invention relates to an operating system for automatically distributing and recovering assembled pipeline connectors, which comprises a general vehicle chassis provided with a self loading and unloading mechanism, and an integrally assembling and disassembling operating shelter connected with the self loading and unloading mechanism. The operating system is characterized in that the integrally assembling and disassembling operating shelter comprises a connector storage rack, a longitudinal delivery mechanism, a transverse delivery mechanism and a vertical delivery mechanism. The operating system adopts a modern containerizing technique, an integrally assembling and disassembling technique, an automatic distribution (recovery) technique, and the like to achieve the containerization storage, the mechanized integral loading, unloading and transportation, and the automatic distribution and recovery of the assembled pipeline connectors and rubber gaskets, saves the storage space and the transportation capability of the connectors and the rubber gaskets, greatly reduces the labor intensity for loading, unloading, and distribution (recovery), and greatly improves the operating speed. The system has the advantages of scientific structure, high work reliability, strong environmental suitability, and convenient operation and maintenance.

The invention discloses trimming equipment for furniture composite board production. The trimming equipment comprises a trimming chamber, a support plate mechanism is slidably mounted in the trimming chamber, trimming mechanisms are fixedly mounted on two sides of the trimming chamber, a lifting air cylinder is fixedly mounted at the top of the outer wall of the trimming chamber, and a dust removal mechanism is connected to the end of a piston rod of the lifting air cylinder. Through the support plate mechanism, the position of a furniture composite board on a supporting seat can be adjusted through a plurality of rotating rollers which are rotationally arranged; the feeding and discharging of the furniture composite board before and after trimming can be facilitated; furniture composite boards with different widths can be clamped through a limiting air cylinder and a limiting plate; the supporting seat can be driven to rotate through a rotating air cylinder, so that the trimming of the four edges of the furniture composite board is achieved; and the trimming angle of a trimming belt can be adjusted through a rotating motor and an overturning air cylinder, so that the trimming requirements of different angles are met.