94results about How to "Does not affect reuse" patented technology

The invention relates to a method for recycling polyhydric alcohol by taking waste materials of thermal-insulation polyurethane foam materials for buildings and reproducing polyurethane foams. The method comprises the steps of adding proper amounts of antioxidants, alcoholysis agents, alcoholysis assistant agents and catalysts in presence of oxygen (in atmosphere which is not protected by inert gas), and recycling the thermal-insulation foam materials for the buildings. The hydroxyl value, acid value and the like of the polyhydric alcohol recycled by utilizing the method are all accordant with government standards. The recycled polyhydric alcohol can be used for partially replacing polyether polyol to reproduce the polyurethane foams. Compared with previous inventions, the method has the advantages that (1) in the atmosphere which is not protected by the inert gas, the industrial production process is simple, and the cost is saved; (2) the degraded polyhydric alcohols in the method are solid materials on an upper layer and a lower layer, and the separation is simple; and (3) the recycled polyhydric alcohol can be used for directly replacing the polyether polyol with a mass fraction of 20-50% to reproduce the polyurethane foams, and the foam property is good.

The invention provides an integrated sewage treatment apparatus and a sewage treatment process flow using the apparatus. The sewage treatment apparatus comprises an anaerobic biological treatment pool, an aerobic biological treatment pool, a sewage sedimentation pool and a membrane biological reaction pool; and the anaerobic biological treatment pool, the aerobic biological treatment pool, the sewage sedimentation pool and the membrane biological reaction pool are sequentially connected. The apparatus is used to carry out effective integrated treatment on sewage. The integrated sewage treatment apparatus has the advantages of good sealing property, strong adaption ability to various foundation conditions, acid and alkali resistance, oxidation resistance, no deformation under high or low temperature, and long service life. The sewage production cycle and the onsite construction installation cycle are short, so the apparatus can be fast used; early disposable investment is small, so the operating cost is low; the quality of discharged water is stable, and pollution discharge is maximally treated; the sewage treatment apparatus has a small size, saves space, can be conveniently carried; and the apparatus can be used in a landfill mode, so the occupied earth's surface area is extremely small, noise is small, and the apparatus can be extremely well combined to surrounding living environment.

The invention relates to a laser cladding composite repair manufacturing method. The method comprises the steps as follows: step 1, laser cleaning; step 2, laser preheating: continuously irradiating the surface of a to-be-repaired workpiece by a laser unit to preheat the to-be-repaired workpiece, marking emergent laser of the laser unit as preheating laser, wherein the spot shape of the preheatinglaser is round or rectangular, the area of preheating spots is 6 mm<2>-20 mm<2> and the scanning speed of the preheating laser spots is 8 mm / s-20 mm / s; step 3, laser cladding: irradiating the preheated to-be-repaired workpiece by cladding laser, wherein the spot shape, spot area and scanning speed of cladding laser are identical with those of the preheating laser; step 4, machining. The inventionalso relates to an application of the laser cladding composite repair manufacturing method. The method can be applied to repair manufacturing of high-carbon steel workpieces and high-alloy steel workpieces; laser is used as machining means, so that the method is clean, efficient, green and environmentally friendly.

The invention of city waste water central heating(refrigeration) apparatus belongs to a new energy saving and environmental protection air conditioning apparatus in engineering field, comprising rotating type continuous filtration dirt separator, waste water lift pump, waste water source heat pump special evaporator, condenser, semiisolated helical lobe compressor and refrigeration accessory, has solved the technical problems of wasting underground water source, regional limitation, low heat exchanging rate of soil, hard to be extended to large area, heat exchanger blocked by waste water which has corrodibility, using the technical program: install rotating type continuous filtration dirt separator, and evaporator and condenser designed to do desilting automatically and continuously so that there is no block and ensure the system cam work normally. The invention has the properties : low investment and operating cost, no regional limitation, can realize resource cyclic utilization, notable environmental benefit, and can be adopted widely in central heating(refrigeration) engineering of central heating(refrigeration).

The invention relates to the field of health and medical treatment, in particular to a nano-virus isolation spraying agent for a mask. The nano-virus isolation spraying agent is a new material for spraying on the surface of a common mask to be converted into a medical protective mask and is a spraying product and technology for transforming the surface of the common mask into a medical bacterial isolation mask after spraying and is an upgraded product of the medical protective mask. The nano-virus isolation spraying agent is prepared from the following raw materials in percentage by weight: electrostatic nano-fiber particles, tourmaline, an adhesive and the balance of water or alcohol. The nano-virus isolation spraying agent can be used for conventional common masks made of different materials, the application range is wide, the common masks have the virus protection function and the PM2.5 blocking capacity, haze gas is effectively prevented from invading, and repeated use of the masksis not affected.

The invention relates to a magnetic adsorbent for removing Hg0 from flue gas and preparation and application of the magnetic adsorbent. The magnetic adsorbent is MagFeSi-Cu0. The preparation method includes the first step of putting Fe3O4 nano particles in deionized water, adding Na2SiO3, adding a mixture into ethyl alcohol, adding NH3*H2O for a sol-gel reaction, conducting steam treatment and conducting drying to obtain magnetic particles of a silicon dioxide coating; the second step of introducing copper nano particles into the surface of silicon iron and sintering the magnetic particles of the silicon dioxide coating and the silicon iron to obtain the magnetic adsorbent. The magnetic adsorbent is applied to removing Hg0 from the flue gas. An adsorbent of mercury is the magnetic adsorbent, the coal-fired flue gas passes through a filter material, the mercury in the flue gas is caught by the magnetic adsorbent in the filter material, a dry drum magnetic separator is used for adsorbent spending and flying ash extraction, the used magnetic adsorbent MagFeSi-Cu0 will be regenerated and cycled, and therefore use cost of the adsorbent will be lowered.

The invention discloses a method for manufacturing oil by using tea oil residues. The method includes the following steps: step 1, raw material preparation: preparing raw materials according to the following proportion, by mass, 45-65 parts of tea oil residues, 30-40 parts of tea cakes and 5-15 parts of tea oil husks, step 2, crushing and stirring: crushing the obtained tea cakes and tea oil husks, and then, mixing and evenly stirring the crushed tea cakes and tea oil husks with the tea oil residues to obtain a compound raw material, step 3, water supplement: evenly stirring the evenly-stirred compound raw material through water supplement, enabling the water content of the compound raw material to be 7-10% by mass, and obtaining a semi-finished product, and step 4, squeezing: placing the semi-finished product into an oil press to squeeze the semi-finished product to obtain camellia oleosa seed oil. The method is high in oil yield and simple in process, auxiliary materials are cheap and easy to obtain, and the obtained tea cakes can be reused as fodder and the like.

The invention discloses a fluidized bed adsorption-fluidized bed desorption coupled efficient VOCs treatment system and method, through separation of an adsorption system and a desorption system, online adsorption and desorption of an adsorbent are realized, and the problems of safety and heat conflict caused by sharing one device are solved. The adsorption system adopts a full-automatic feeding and discharging fixed bed, adsorbents are automatically updated, and manpower loss is reduced. By adopting the multi-stage fluidized bed desorption, continuous and uniform high-concentration and small-air-volume desorption gas is formed, the treatment capacity of tail end treatment equipment can be reduced, and the treatment difficulty is reduced. According to the invention, the problems of non-uniform adsorption, incomplete desorption and adsorption and desorption heat conflict of an adsorbent in waste gas treatment are solved, and an efficient, convenient, energy-saving and safe treatment system is provided for treatment of large-air-volume and low-concentration organic waste gas.

The invention discloses a shared multi-channel process communication memory structure and method. Data structures of a communication channel area, a channel state area and a task queue area are established in a shared memory so that a plurality of IPC channels which do not depend on specific process creation, can be reused and can carry out concurrent communication. Through channel state classification and monitoring, channel idleness, occupation and fault identification is realized, and multi-process communication stability is ensured. The communication system can adapt to synchronous and asynchronous communication by transmitting handshake information through the shared memory and setting a reasonable message structure, and has high universality and flexibility. The shared multi-channelprocess communication memory structure and method can be used for a system with any cross inter-process communication and synchronous and asynchronous mixed mode process communication, and the complexity of process communication design can be effectively reduced.

The invention discloses a primary and secondary pot type heating non-burning tobacco device which comprises a shell internally provided with a cavity; a detachable suction nozzle is formed in the top end of the shell; a heating chamber enclosed by a heating device is formed in the upper part inside the shell; a detachable primary and secondary pot is arranged in the heating chamber; a power supply is arranged at the lower part inside the shell and is connected with the heating device; an air outlet is formed in the bottom of the heating chamber and is communicated with an air inlet in the end part of the shell through a ventilation pipeline; the top of the primary and secondary pot is sealed by a sealing film; a bulge capable of puncturing the sealing film is arranged at the bottom of the suction nozzle. In the primary and secondary pot type heating non-burning tobacco device disclosed by the invention, the primary and secondary pot not only needs to be sealed through an independent process, but also is disposable, and a smoking set can be reused, that is, the primary and secondary pot is a part independent of the smoking set; as the needle-shaped bulge is arranged on the suction nozzle, when the primary and secondary pot type heating non-burning tobacco device is in use, the sealing film of the primary and secondary pot is punctured to suck. In the primary and secondary pot type heating non-burning tobacco device disclosed by the invention, tobaccos and fog (smoke) increasing agents are separately accommodated, so that the tobacco heating temperature can be improved.

The invention discloses a lithium ion battery energy storage system fire extinguishing device, a fire extinguishing nozzle and a method. The device comprises a fire extinguishing pipeline and a plurality of fire extinguishing nozzles, the fire extinguishing nozzles are arranged on the fire extinguishing pipeline, and one end of the fire extinguishing pipeline is connected with a fire extinguishing agent. The fire extinguishing nozzle comprises a nozzle body, one end of the nozzle body is open, the other end is provided with a jet burner, and low-melting-point alloy is arranged at the position close to the jet burner. The fire extinguishing pipeline is arranged above a battery box of a battery energy storage system, and the fire extinguishing nozzle is arranged opposite to each battery module safety valve in the battery box. When a battery module or the battery energy storage system is on fire, high-temperature gas or flame jetted by the battery melts the low-melting-point alloy in the nozzle; the fire extinguishing agent is accurately sprayed to a fired battery safety valve through the fire extinguishing nozzle, open fire is extinguished, and the use amount of the fire extinguishing agent is saved; and after the battery is extinguished, the fire extinguishing nozzle above the accident battery is replaced, other batteries and fire extinguishing pipelines are not influenced, and the maintenance cost is low.

The invention relates to a mousetrap and aims to solve the problem that smell is left after one-time mouse trapping is performed by using an existing mousetrap and influences following mouse trapping. The mousetrap comprises a cover for trapping mice and a supporting frame for supporting the cover, wherein the cover can perform vertical reciprocating motion with respect to the supporting frame, a piece of detachable overclothes is arranged on the inner wall of the cover, the supporting frame comprises a left support, a right support and a cross rod connected between the left support and the right support, a sliding sleeve rod is connected to the cover and can performed vertical reciprocating motion with respect to the cross rod, and a control mechanism for controlling vertical motion of the sliding sleeve rod is arranged between the sliding sleeve rod and the cross rod. The mousetrap is simple in structure, the conveniently detachable overclothes is arranged in the cover of the mousetrap and is changed after each time of mouse trapping, so that the cover is not contaminated, and product reuse is not affected. In addition, the mousetrap is attractive in whole appearance, mice is not exposed in a visual field after mouse trapping, and no influence is produced to surrounding persons.

The invention discloses a macroscopic inspection machine capable of automatically positioning and measuring luminance. The macroscopic inspection machine comprises a machine table, support rods, vacuum chucks, clamps and a working table. The machine table and the support rods are used for supporting glass. The vacuum chucks are arranged on the support rods and used for absorbing glass. The clamps are arranged inside of the machine table and used for clamping glass. The working table is used for operating the machine table to operate. The machine table is a frame body made up of a first horizontal plane, a second horizontal plane, a first vertical plane and a second vertical plane. A horizontal ruler is arranged on the first horizontal plane. A vertical ruler is arranged on the first vertical plane. Luminance measuring devices are arranged below the support rods. The macroscopic inspection machine capable of automatically positioning and measuring luminance has following beneficial effects: the macroscopic inspection machine can perform luminance measure and macroscopic false orientation in a safe and rapid manner.

The invention relates to an electric heating device used for removing a motor stator copper wire. The electric heating device comprises a workbench, an oblong hole, a positioning line, heating pipes, a connecting plate, nuts, a protective cover, a thermocouple, a U-phase lead wire, a V-phase lead wire, a W-phase lead wire and the like, wherein the positions of the heating pipes are adjusted according to the size of a heated stator, the twelve heating pipes are in circular distribution by reference to the circular positioning line on the workbench and are installed on the workbench by using the nuts to finally ensure an inner circle of the stator and a circle formed by the twelve heating pipes to be concentrically placed, and a thermocouple lead wire, the U-phase lead wire, the V-phase lead wire and the W-phase lead wire are respectively connected with a temperature control system and a three-phase power supply. When the stator is heated, a temperature value is fed back to the temperature control system by the thermocouple, the system controls the temperature to be constant for a period of time to melt insulating paint, and then the copper wire in the stator is taken out by using a tool so as to finally achieve the reuse of a stator core.

The invention discloses a process and system for industrially producing biosilicon. The system for industrially producing biosilicon comprises a culture system, a harvesting-extraction system and a crushing system in sequence, wherein the culture system is used for culturing diatom cells; and the harvesting-extraction system is used for separating diatom cells from a culture solution in the culture system, and meanwhile, is used for performing hot digestion on the separated diatom cells. By adopting the device, diatom shells can be separated from organic matters in diatom cells, and diatom shells can be obtained after filtering, the diatom shells are cleaned and dried and fed into the crushing system, and thus biosilicon powder of different sizes can be obtained. By adopting the process and system, the growth speed of diatom cells can be increased, and meanwhile, by adopting a method of compounding a flocculant, the cell damage rate can be reduced while a high recycling rate of the diatom cells is ensured, so that recycling the culture solution is not affected, and the production cost of diatom can be remarkably lowered.

The invention discloses a process for efficiently extracting and utilizing tea leaves. The process comprises the following steps: taking tea leaves and adding water and carrying out countercurrent extraction to obtain an extracting solution; taking the extracting solution and carrying out solid-liquid separation to obtain tea dreg and tea soup; filtering the tea soup through a ceramic membrane to obtain retention liquid and filtrate; concentrating the filtrate in vacuum to obtain a vacuum concentrated solution; spray-drying the vacuum concentrated solution to obtain instant tea powder; taking the retention liquid and adding acid and sodium isoascorbate; carrying out acidification reaction to obtain an acidized solution; adding ethanol into the acidized solution and carrying out alcoholization reaction to obtain an alcoholized solution; adding ethyl acetate into the alcoholized solution and extracting and separating to obtain an organic phase layer and a water layer; taking the organic phase layer and concentrating in vacuum to obtain ethyl acetate and a tea polyphenol concentrated solution; recycling the ethyl acetate; adding the tea polyphenol concentrated solution into the vacuum concentrated solution and uniformly mixing; spray-drying to obtain the instant tea powder.

The invention discloses a modular crucible device for silicon carbide crystal growth and a growth method thereof, belonging to the field of silicon carbide crystal growth devices. The technical problem to be solved by the invention is how to provide a stable crystal growth thermal field. The device comprises a crucible bottom, wherein the crucible bottom is connected with a crucible body, a crucible support is arranged at the upper end of the crucible body, seed crystals are placed on the upper layer of the crucible support, silicon carbide polycrystalline blocks are placed on the lower layerof the crucible support, silicon carbide powder is placed at the inner bottom of the crucible body, and a crucible cover covers the crucible body. The device disclosed by the invention is modularized,can be properly combined according to actual requirements, allows a more accurate crucible to be obtained and realizes gas diversion in a reaction chamber along with single crystal growth, the silicon carbide polycrystalline blocks in the crucible can be adjusted and repeatedly used, and environmental stability of a crucible thermal field is realized. The device is used for silicon carbide crystal growth.

The invention relates to a plastic building template which comprises a planar main body plate and a strengthening rib positioned on one side of the planar main body plate, wherein the planar main body plate and the strengthening rib are produced by a solid plate which is formed by one-step molding of a PVC (polyvinyl chloride) foam material, the Vicat softening temperature of the solid plate is 97 DEG C, the elastic modulus is 3000, and the anti-bending degree is 60MPa. The plastic building template is light in weight, high in strength and surface smoothness and friction-resistant, is easy to clean, has no deformation, and can be cut and nailed arbitrarily according to needs without affecting the reuse of the template almost; any combination and supporting structure can be completed alone; square lumbers do not need to be attached to the back surface of the plastic building template to improving the strength of the template; and the material of the template can be recycled. The plastic building template is easy to process and manufacture, and the plastic building template further has the characteristic of one-step demolding and molding, and the filling of a hollow part and the re-strengthening problem of the side surface of the template do not need to be considered.

The invention relates to a test method of a dry land trace element fertilizer, which belongs to the technical field of agricultural cultivation, and is characterized in that: according to the requirements of test design, uniformly mixing the trace element fertilizer and crushed soil by the ratio to prepare testing fertilizer soil, and putting the fertilizer soil into plastic containers with the diameter of 6 to 10cm and the height of 15 to 20cm; digging a plurality of small pits in a preset area for planting test crops, planting the plastic container into the pits, then planting the test crops into the small pits, and the main root areas of the crops are arranged above the plastic containers; and after the test, taking out the plastic containers, and moving the testing fertilizer soil out of a test area. The test method of the dry land trace element fertilizer integrates the characteristics of traditional potted plant tests and field tests, overcomes the impact of the field fertilizer tests on after-crops and the restriction of potter plant tests to the growth of the crops, can be reused in the second year without impacting the test on the basis of meeting the test requirements, and improves the utilization rate of a test lands.

The invention discloses a fire-resistant cable bridge. The fire-resistant cable bridge comprises a bridge main body, a plurality of heat dissipation holes are formed in the side wall of the bridge main body, and a fireproof layer is fixedly attached to the inner wall of the bridge main body. A fireproof sliding plate for fire retardance and thermal insulation is arranged, and the bottom end of thefireproof sliding plate is clamped in the sliding groove. A fire retarding mechanism is arranged, and the fire retarding mechanism comprises a fixed wheel, a temperature sensing cavity and a push rod; a temperature sensing cavity is fixed on the bottom wall of the outer side of the bridge main body; a temperature sensing expansion piece is arranged in the temperature sensing cavity; the temperature sensing expansion piece is heated to expand; the push rod can be pushed, and then the conical side surface of the push rod head can push the fixed wheel so as to drive the fireproof sliding plate to slide and then seal heat dissipation holes, therefore, in case of a fire, high temperature can be automatically sensed to seal the cable bridge, and the fireproof layer in the bridge main body is used for stopping fire and insulating heat; and the fireproof sliding plate can be pulled to slide and reset under the action of the elastic force of the reset spring, so that the cable bridge has ventilation, heat dissipation and fire resistance, and can be automatically reset without influencing repeated use.

The invention relates to the filed of concrete pump truck manufacturing, in particular to a nondestructive technology for disassembling a landing leg pin shaft in the concrete pump truck remanufacturing process. The technology comprises the following steps that (1) drilling is conducted on the middle of a shaft sleeve with a copper sleeve; (2) a positioning pin is inserted into a hole, and the shaft sleeve and the landing leg pin shaft which relatively move originally are locked; (3) a landing led is swung, the landing leg pin shaft and the corrosion portion, without the copper sleeve, of the shaft sleeve are loosened; (4) the positioning pin is taken out; (5) the landing leg pin shaft is taken out. The nondestructive technology for disassembling the landing leg pin shaft in the concrete pump truck remanufacturing process is easy to carry out, gives a new life cycle of the landing pin shaft and a new life cycle of the shaft sleeve, improves landing leg pin shaft disassembling production efficiency by 70% and solves production bottleneck problems.

The invention discloses a method for preparing a flue gas desulfurization powder adsorbent from liquid-solid wastes, which comprises the following steps of: performing acidolysis on ferromanganese solid wastes by using copper electrolysis wastewater, and separating to obtain a sulfate solution; then removing sulfate ions in the sulfate solution by using lime milk and acid, and separating to obtain a metal salt solution; adding carbide slag into the metal salt solution for precipitation reaction, standing for aging, and separating to obtain a gelatinous product; and finally, drying, calcining, crushing and finely grinding the gel to obtain the desulfurization powder adsorbent. The active components of the desulfurization powder adsorbent prepared by the method are CaO and MnO, and the auxiliaries are Fe3O4 and ZnO; the catalyst contains catalytic active components CuO and NiO, and can catalyze SO2 and O2 in the flue gas to react to generate SO3; the desulfurization powder adsorbent is small in particle size, complete in micropores, large in pore volume and high in desulfurization activity; and the method is suitable for dry dedusting device desulfurization or flue gas spray drying desulfurization, does not need a desulfurization packed tower, and reduces the investment cost of enterprises.

The invention relates to an IC chip recycling and cleaning method and system. The method comprises the following steps of IC chip recycling, chemical liquid solution soaking, cooling, ethyl alcohol soaking, deionized water rinsing and cleaning. According to the IC chip recycling and cleaning method and system, the steps of repeated degumming and chemical residue and impurity removal are executed, so that IC chips scrapped in the electronic product assembling process are recycled, the scrapped IC chips are reutilized, resource waste is greatly reduced, the recycled IC chips are not damaged, the quality of the IC chips is ensured, and reuse is not affected.

The invention relates to the technical field of external packing in articles of daily use, in particular to a wine bottle packing box. The wine bottle packing box comprises a shell body. A cavity capable of containing a wine bottle is arranged in the shell body; a buckling clip capable of fixing the bottleneck of the wine bottle is arranged on the inner side of the rear wall of the shell body; an opening is formed in the side face of the shell body, the upper portion of the opening is wide, the lower portion of the opening is narrow, and a front cover adaptive to the opening in shape is arranged on the opening. Most parts of the wine bottle packing box are made of plastics through injection molding, manufacturing processes of the parts are simple, and the parts are also easy and convenient to assemble. The buckling clip used for fixing the wine bottle is arranged in the packing box, so the wine bottle is very stable in the packing box. The packing box is good in protection performance of the wine bottle, convenient to carry and use and capable of being used repeatedly.

The invention discloses waste lithium battery flushing equipment. The waste lithium battery flushing equipment comprises a sewage collecting tank, a water supply tank, a collecting water tank, drivingdevices and a washing tank, wherein the sewage collecting tank and the collecting water tank are respectively arranged on two sides of the washing tank; the washing tank communicates with the sewagecollecting tank and the collecting water tank; a baffle is arranged between the washing tank and the sewage collecting tank; a sieve plate is arranged in the washing tank; the driving devices are respectively arranged on two sides of the washing tank; a sliding block is arranged on each driving device; a spray head is arranged on each sliding block, and communicates with the water supply tank through a water pump; and the water supply tank is located below the washing tank, and communicates with the collecting water tank. According to the waste lithium battery flushing equipment disclosed by the invention, the collecting water tank is arranged, so that water current after is used for flushing is recovered and recycled, and water resources are saved; and besides, the sieve plate can filtersewage, so that the situation that the impurities in the recovered water resources are few, and reusing is not influenced is guaranteed, and the flushing cost is reduced.

The invention discloses a device of removing arsenic and mercury in flue gas. The device comprises a denitration system, a dust remover, a magnetic separator, a mechanical screening machine and an injection system, wherein the denitration system is connected to a hearth, the outlet of the denitration system is connected to the inlet of the dust remover, the dust remover is connected to the magnetic separator and the mechanical screening machine, and the magnetic separator and the mechanical screening machine are connected to a pipeline at the front of the inlet of the denitration system through the injection system. The invention further discloses a method of recycling magnetic beads and calcium-rich ash in fly ash, and simultaneously removing the arsenic and the mercury in the flue gas by utilizing the device. According to the method provided by the invention, the gaseous arsenic in the flue gas is effectively removed, the elemental mercury in the flue gas is subjected to catalytic oxidation, and the method and the device of simultaneously removing two heavy metal pollutants containing the arsenic and the mercury in the flue gas can be provided; the magnetic beads and the calcium-rich ash are recycled.

The invention discloses a welding-free multilevel horizontally adjusting and supporting device and an installing and adjusting method thereof. The welding-free multilevel horizontally adjusting and supporting device comprises a tripod. The tripod comprises a vertical rod, a horizontal rod and a slant rod. The horizontal rod, the vertical rod and the slant rod are surrounded into a right triangle. The horizontal rod comprises a left half horizontal rod, a right half horizontal rod and a sleeve rod. The left half horizontal rod is vertically fixed to the upper end of the vertical rod, the right half horizontal rod is fixed to the upper end of the slant rod, and the left half horizontal rod and the right half horizontal rod are connected through the sleeve rod. A rotating table is connected to the sleeve rod in a sleeved mode, the shape of the rotating table is a polygon prism, the sleeve rod penetrates through the two bottom faces of the rotating table, moreover the rotating table can rotate freely around the sleeve rod, the distance of each side face of the rotating table to the sleeve rod is different, a stepped hole is formed in each side face, the center lines of the stepped holes are intersected with that of the sleeve rod, and threaded holes matched with the stepped holes are formed in the sleeve rod. According to the welding-free multilevel horizontally adjusting and supporting device and the installing and adjusting method thereof, adjusting of different horizontal supporting heights can be realized, and the reuse of a triangle supporting frame is convenient.

The invention discloses a size-adjustable combined type crucible thermal field, and belongs to the technical field of smelting equipment; aiming at the fact that an existing crucible cannot adapt to the change of the size of a seed crystal, and the thermal field cannot be adjusted, the thermal field is provided. The crucible thermal field comprises a crucible upper cover, a combined crucible cylinder, a side supporting assembly and a crucible bottom, wherein the combined crucible cylinder is a cylinder body with openings at two ends; the bottom of the combined crucible cylinder is arranged onthe crucible bottom; the crucible upper cover covers a top opening of the combined crucible cylinder; a closed cavity is formed in the combined type crucible cylinder after mounting, the side supporting assembly is mounted on the inner wall of the combined type crucible cylinder through threads, the height of the side supporting assembly located on the inner wall of the combined type crucible cylinder is adjustable, a center through hole is formed in the center of the side supporting assembly, and a seed crystal is mounted at the center through hole. The crucible is of a modular structure andcan be combined and adjusted according to actual needs, single crystal growth of seed crystals of different sizes is achieved, the height of the crucible is adjustable, and thermal fields with different length-diameter ratios can be achieved.

The invention provides a multifunctional integrated part and a method for preparing same. According to the method, a cobalt-chromium alloy or 0Cr16Ni4Cu3Nb powder material is used for executing a forming process of the part in a selective laser melting forming system; in the forming process, mixed gas of nitrogen and argon serves as protective atmosphere, printing partition is conducted on the part according to the service condition of the part, the protective atmosphere with different nitrogen concentrations is provided and designed according to different printing partitions, in at least one printing partition, and nitrogen permeates into a molten pool and chemically reacts with molten metal to control the element N of the part to be increased in the printing partition, so that the gamma phase of the part is inhibited from being converted into other phases in the printing process.