278results about How to "Simple production process" patented technology

The invention belongs to the technical field of power station boiler waste heat recycling energy-saving equipment and relates to a plate-and-shell type coal economizer. The plate-and-shell type coal economizer comprises a corrugated plate heat exchange core body (1), a heat exchanger shell (2), a first and a second water inlet / outlet water tank (3, 3') and a first and a second exhaust gas inlet / outlet pipeline (4, 4'), wherein the corrugated plate heat exchange core body (1) is mounted in the heat exchanger shell (2), the first and second water inlet / outlet water tanks (3, 3') are respectively arranged at the upper and lower ends of the front side of the corrugated plate heat exchange core body (1), and the first and second exhaust gas inlet / outlet pipelines (4, 4') are respectively arranged at the upper and lower sides of the corrugated plate heat exchange core body (1). The plate-and-shell type coal economizer solves the problem that the length of a water passage needs to be increased to solve the problem of unapparent water heating due to the great difference between an exhaust gas density and a water density, and meanwhile, a corrugated passage at the exhaust gas side enables the exhaust gas flow turbulivity to be increased and the heat transfer efficiency to be improved; the blockage due to ash accumulation happens rarely, even if the ash is accumulated, the cleaning is easy to finish.

The application discloses a method for preparing a coal-saving agent by using metal treatment wastewater, and comprises the following steps: preparing the coal-saving agent by compounding metal treatment wastewater, penetration and dispersion components, emulsification components, catalytic components and oxidation components; and spraying 0.05%-0.1% of the coal-saving agent in the coal, so that the initial combustion temperature of the coal is reduced by 20-50 DEG C, the burnout temperature is reduced by 20-60 DEG C, and the carbon content of the ash is reduced by more than 5%. The application applies the metal treatment wastewater to the production of the coal-saving agent, changes waste into treasure, promotes the recycling of resources, and realizes harmless treatment of resources.

The invention provides a predatory mite venom protein or a spider venom protein. The amino acid sequences of the predatory mite venom protein and the spider venom protein are selected from SEQ ID NO.1-8 or any one of SEQ ID NO.1-8 with 95% or more of identity. Tetranychus urticae tests show that after spraying treatment, the predatory mite poison protein or spider poison protein provided by the invention achieves a 100% lethal effect within 48 hours, and is a known protein pesticide with the highest tetranychus urticae lethal rate at present. The predatory mite poison protein or spider poison protein provided by the invention has high specificity to spider mites, is mild and harmless to human bodies and other organisms in the environment, can be used in farmlands, gardens and even family potted plants, and can be naturally degraded; the production process is simple and efficient, and has the potential of large-scale application.

An integrated short-beard razor, razor head, and razor include a short-beard razor base, an outer short-beard blade, an inner short-beard blade, and an inner short-beard blade holder. The short-beard razor base includes two opposing end plates and two opposing side plates. The end plates and side plates are connected in one piece to form a frame-like structure with an upper port and a lower port. A limiting member, at least integrally formed with the side plates, is formed between the two opposing end faces of the side plates to block the lower port. By providing a limiting member between the lower ports of the short-beard razor base to support the inner short-beard blade holder, the inner short-beard blade holder can be positioned and supported during installation, eliminating the need for external tools to be inserted into the razor for support. This simplifies the assembly process and improves assembly efficiency. Furthermore, the limiting member and the short-beard razor base are integrally formed, which not only enhances the overall stability but also further simplifies the manufacturing process.

The utility model discloses an electric cooking pot, electric cooking pot includes: cooking main part, cooking main part includes the kettle body, and the kettle body is rectangular kettle body, heating device, heating device is located kettle body below and includes: install shell, install shell includes the separately formed heat conduction plate and bearing plate, and heat conduction plate is used for with the contact of electric cooking pot's kettle body, and the face of heat conduction plate and kettle body contact is rectangular, and bearing plate is connected in the below of heat conduction plate and with heat conduction plate between and defines install cavity, heating plate, heating plate is located install cavity and with heat conduction plate contact, to with the heat conduction of heat plate to heat conduction plate. According to the heating device of the utility model embodiment, by assembling heat conduction plate and bearing plate together to form install shell, can improve the production efficiency of heating device and reduce the production cost of heating device, and heating plate can even heat and even heat conduction to kettle body through heat conduction plate, can improve the cooking effect of electric cooking pot.

The present application provides an aerosol generating product and an aerosol generating system, the aerosol generating product comprising: a housing in which an air passage is defined; the positioning piece is fixedly arranged on the inner wall of the air channel, a through hole is formed in the positioning piece, the through hole is communicated with the periphery of the positioning piece to form a positioning notch, and the positioning notch is communicated with the air channel; an aerosol substrate layer; the metal substrate and the aerosol substrate layer are arranged in a stacked mode, the metal substrate and the aerosol substrate layer are placed in the through hole, and the positioning piece positions the metal substrate and the aerosol substrate layer in the circumferential direction of the metal substrate; the limiting piece and the positioning piece are stacked and fixedly connected, the metal base body and the aerosol substrate layer are clamped between the limiting piece and the inner wall of the shell, and the limiting piece positions the metal base body and the aerosol substrate layer in the axis direction of the metal base body, so that the production process of the aerosol generating product is simple; and the metal substrate and the aerosol substrate layer are fixed more firmly.

This invention relates to a stacked high-temperature superconducting cable with transposition joints and non-twisted strips. The stacked high-temperature superconducting cable includes a transposition joint section and a simple stacking section; the transposition joint section and the simple stacking section are connected; the strip includes a bridged portion and a main body connected to the bridged portion; the transposition joint section includes a bridging tape group and the bridged portion of the strip; the simple stacking section includes the main body of two strips; the main body of each strip includes the main body of multiple stacked strips; the main body of the two strips are arranged side by side. Compared with the prior art, this invention achieves the transposition of the strips in the cable through the design of stacked strips and welded transposition joints, solving the problem of inductance imbalance between each strip after winding the coil in a simple stacked cable; secondly, this invention eliminates the need for spiral twisting of the strips or extensive cutting of the superconducting strips in the manufacturing process, making the manufacturing process simple and economically cost-effective.

The application discloses a novel proton battery positive electrode material and a preparation method thereof. Iron source solution and phosphorus source solution are respectively prepared through an organic solution, and then the two solutions are mixed to perform a solvothermal reaction. After that, the product obtained in the reaction is washed and dried to obtain the novel proton battery positive electrode material. The material can be used to prepare a proton battery positive electrode sheet. The novel proton battery positive electrode material prepared by the application is a nanoparticle, the main component of which is iron phosphate. The particle morphology is uniform, and the specific surface area is large. The size of the particle is 50.0-200.0 nm. The proton battery prepared by using the novel proton battery positive electrode material has good electrochemical performance. The preparation method provided by the application is simple in process, raw materials are easy to obtain, and is suitable for large-scale industrial production.

This invention provides a method for producing high-purity aluminum-niobium-tantalum master alloys and co-producing ammonium fluoride, belonging to the fields of metallic materials and inorganic chemicals. The invention involves mixing fluoroniobic acid, fluorotantalic acid, and ammonia water for a precipitation reaction to obtain a precipitate and an ammonium fluoride solution. The ammonium fluoride solution is then concentrated, cooled for crystallization, dehydrated, and dried sequentially to obtain ammonium fluoride. The precipitate is then dried and oxidized and calcined sequentially to obtain an oxide. The oxide, aluminum powder, potassium chlorate, and calcium fluoride are mixed and subjected to a vacuum aluminothermic reaction to obtain the high-purity aluminum-niobium-tantalum master alloy. This invention, considering both broadening the range of raw material selection and optimizing the production process, reacts fluoroniobic acid, fluorotantalic acid, and ammonia water to produce niobium hydroxide and tantalum hydroxide precipitates, which are then oxidized and calcined to form niobium and tantalum oxides. The high-purity aluminum-niobium-tantalum alloy is then prepared using a vacuum aluminothermic reaction. Simultaneously, ammonium fluoride can be co-produced, resulting in high raw material utilization.

The application discloses a purlin press-cutting die and a press-cutting forming method, and relates to the field of machining.The purlin press-cuting die comprises a top plate, a first oil cylinder arranged on the upper end face of the top plate, a push rod of the first oil cylinder penetrating through the top plate and being connected with a first upper die plate, a second upper die plate connected with the lower end face of the first upper die plate, a first upper die arranged on the first upper die plate and capable of penetrating through a second upper die arranged on the second upper die plate, a bottom plate, a second oil cylinder arranged on the upper end face of the bottom plate, a push rod of the second oil cylinder being in contact with a first lower die plate through a sliding mechanism, the first lower die plate being provided with a first lower die, a first guide column, both ends of the first guide column being fixedly connected with the top plate and the bottom plate, a second guide column arranged between the top plate and the bottom plate and fixedly connected with the bottom plate at one end.The purlin press-cutting die optimizes the die structure, reduces the production error of a purlin product by changing a production process, prolongs the service life by 10 times compared with a common die, and improves the production efficiency of the purlin.

The utility model discloses a material distributing device of a food-grade fixed fluidized bed, which comprises a material distributing device main body, a feeding channel is arranged at the top end of the material distributing device main body, a discharging channel is arranged at the bottom end of the material distributing device main body, an impeller material distributing valve is arranged in the material distributing device main body, and the impeller material distributing valve comprises a material distributing rotor and an impeller arranged on the material distributing rotor. A driving device is arranged on the outer side of the distributing rotor. On the premise of an original fixed fluidized bed drying system, the high-speed rotating impeller distributing valve is additionally arranged at the feeding end, downward air generated by high-speed operation of an impeller of the impeller distributing valve is mixed with materials and then enters the fixed fluidized bed, the materials are prevented from being blocked in a concentrated mode, the air distributing plate is prevented from being blocked, the production process is optimized, and the operation efficiency is improved.

This application relates to the field of biomedical technology, specifically disclosing a highly liquid-stable SUMO fusion influenza B NP antigen and its preparation method. The antigen is a fusion protein of a SUMO-tagged peptide and an influenza B virus nucleoprotein NP. The SUMO-tagged peptide is directly linked to the N-terminus of the influenza B virus nucleoprotein NP via peptide bonds. The antigen is dissolved in a storage buffer for liquid preservation. The preparation method includes key steps such as fusion gene construction, vector engineering construction, host transformation screening, induced expression culture, and bacterial cell disruption and purification. This antigen can be used for clinical detection of influenza B virus, preparation of quality control materials, and immunogen development. It exhibits excellent liquid preservation stability, maintaining good immunoreactivity even after long-term storage under low-temperature liquid conditions. The preparation method of this application is simple and controllable, requiring no inclusion body refolding step, and can efficiently obtain high-purity and homogeneous soluble fusion antigen.

This application discloses a compatibilizer for polystyrene / polyolefin blends and its preparation method, belonging to the field of block copolymers. A block copolymer is disclosed, comprising polystyrene blocks and polyethylene blocks; the block copolymer is crystalline; the aggregated structure of the block copolymer consists of a polystyrene microphase region, a polyethylene crystalline region, and a branched amorphous region—three phases coexisting. This block copolymer exhibits extremely high compatibility with both polystyrene and polyolefin materials, effectively reducing interfacial tension between different materials, significantly improving the impact resistance, mechanical properties, and rheological behavior of polystyrene / polyolefin blends, without damaging other properties of the materials, and without side reactions such as crosslinking or degradation; this block copolymer exhibits plastic processing properties at high temperatures and elastomer properties at room temperature, classifying it as a thermoplastic elastomer; this block copolymer is also more flexible and has better transparency.

The utility model relates to the technical field of network interfaces, and discloses an integrated patch type network interface, which comprises a base, two sides of the base are provided with shell clamping blocks, and the tail parts of the shell clamping blocks are provided with shell pressing parts; the shielding shell is clamped and fixed with the base, and a clamping part matched with the shell clamping block is arranged on the shielding shell; the plurality of gold needles are fixed in the base in a surface-mounted manner, one end of each gold needle extends to form a pin, and the pins penetrate through the bottom of the base. The arranged base and the shielding shell are clamped and fixed through the shell clamping blocks and the clamping parts, the production process is simplified, a molding inner core does not need to be used, the production cost is reduced, and the production efficiency is improved. Meanwhile, the gold pins are fixed in the base in a patch mode, the structure is stable, and the signal transmission effect is good. In addition, due to the design of the concave structure of the pressing shell part, the elastic buckle structure of the shielding shell, the L-shaped bending structure of the gold needle and the like, the stability and reliability of the network interface are further enhanced, and the user experience is improved.

The invention discloses a granular bio-fertilizer and a preparation method thereof, and the granular bio-fertilizer comprises the following components in percentage by weight: 94-97% of a base fertilizer, 2-5% of a synergist and 1-2% of an auxiliary agent. The granular bio-fertilizer is a fertilizer prepared by compatibility of one of an inorganic fertilizer, an organic fertilizer and an organic and inorganic fertilizer with a bio-fertilizer synergist. The granular bio-fertilizer disclosed by the invention can adopt an inorganic fertilizer, an organic fertilizer or an organic and inorganic fertilizer as a base fertilizer, can be suitable for almost all granular fertilizers (except for fertilizers with a killing function on microorganisms or an antagonistic effect on components in a bio-fertilizer synergist) in the current market, and is simple in production process, relatively low in cost and suitable for industrial production. Moreover, the added value of the product can be effectively improved, and the production process belongs to a novel fertilizer production process and has a huge market popularization value.

The utility model discloses a battery compartment structure and electronic equipment with the battery compartment structure, the battery compartment structure comprises a first shell, a circuit board, a first electrode piece and a second electrode piece, the first shell is internally provided with an accommodating groove for accommodating a battery; the circuit board is arranged in the first shell; the first electrode piece is provided with a first connecting pin and a first electrode pin, the first connecting pin is fixed on the circuit board and is electrically connected with the circuit board, and the first electrode pin is positioned in the accommodating groove and is adjacent to one end of the accommodating groove; the second electrode piece is provided with a second connecting pin and a second electrode pin, the second connecting pin is fixed on the circuit board and is electrically connected with the circuit board, and the second electrode pin is positioned in the accommodating groove and is adjacent to the other end of the accommodating groove; and a V-shaped space is defined between the second electrode pin and the first electrode pin, so that the battery can be clamped between the first electrode pin and the second electrode pin. The battery compartment structure disclosed by the utility model improves the convenience of mounting the battery, and is simple in structure and low in manufacturing and assembling cost.

The utility model discloses a novel volleyball inner container structure which comprises an inner container, the inner container is integrally formed by a first forming block and a second forming block, and each of the first forming block and the second forming block is provided with an outer welt and two inner welts. A plurality of adjacent first forming blocks are attached to one another through the inner welts, a plurality of adjacent second forming blocks are also attached to one another through the inner welts, and the adjacent first forming blocks and the adjacent second forming blocks are attached to one another through the outer welts. The volleyball inner container is integrally formed through rubber materials at high temperature and high pressure, splicing links are reduced, the problems that in a traditional splicing production process, the splicing positions are prone to abrasion, cracking and the like are solved, the air tightness and durability of the inner container are enhanced, the integrally-formed production process is simple, the production period is short, the production cost is low, and the volleyball inner container is suitable for popularization and application. And the sizes of the produced liners can be kept consistent to the maximum extent, so that the production quality and the production efficiency can be both considered.

The application discloses a water coal slurry additive prepared by using industrial by-products, which comprises the following raw material components in parts by weight: amino benzene sulfonic acid 10-20 parts, meta-amino phenol 10-20 parts, sulfite 5-15 parts, a basic adjusting agent in an appropriate amount and water 50-70 parts. The water coal slurry additive is prepared by directly using industrial by-products, realizes resource recycling, and has high slurry concentration, low viscosity, good fluidity and stability.

The application provides a preparation method of dihydroxy boron phenylalanine and intermediates thereof. The method comprises the following steps: mixing 4-halogen-Boc-L-phenylalanine of formula (II) with an alkyl borate, and adding a Grignard reagent to obtain an intermediate compound of formula (I): (I) (II).

This application discloses a method for improving the yield of hot-rolled titanium and titanium alloy plates, relating to the field of hot rolling processing of titanium and titanium alloy plates, including the following steps: Step 1, material head screening; Step 2, surface treatment of the material heads obtained in Step 1 by peeling, polishing or sandblasting and pickling; Step 3, material head welding; Step 4, material head rolling; Step 5, heat treatment of the finished plate; Step 6, surface treatment and slitting of the finished plate after heat treatment in Step 5 to obtain qualified finished titanium and titanium alloy plates. This invention solves the problem of easy breakage of traditional welds during hot rolling in the prior art, enhances the stability of the hot rolling process, reduces welding difficulty, simplifies the production process, improves the yield stability, and increases the product yield and production efficiency.

The invention discloses a high-speed electro-optical modulator based on a heterogeneous integrated waveguide and a preparation method thereof, and belongs to the technical field of planar optical waveguide optical modulators and preparation thereof. The sensor is composed of a silicon substrate, a silicon dioxide oxide layer, a lead zirconate titanate flat plate layer, a polymer flat plate layer, a first grounding electrode, a signal electrode, a second grounding electrode and a polymer strip-shaped layer from bottom to top in sequence. The polymer strip-shaped layer and the polymer flat plate layer are made of the same material, and the refractive index of the polymer strip-shaped layer is lower than that of the lead zirconate titanate flat plate layer. The polymer flat plate layer prevents direct contact between lead zirconate titanate and the electrode, so that the loss of the modulator is greatly reduced. When an electric field is externally applied, the electric field is uniformly distributed between the signal electrode and the grounding electrode, and the thickness of the polymer flat plate layer and the size of the polymer strip-shaped layer are designed, so that more light fields are controlled in the lead zirconate titanate flat plate layer, and the electro-optical modulation efficiency is further improved. The manufacturing process is simplified, and the method has the advantages of low production cost, high efficiency and the like.

This utility model discloses an anti-leakage plating structure for a plastic metallized waveguide antenna, relating to the field of waveguide antenna technology. The anti-leakage plating structure for a plastic metallized waveguide antenna includes a waveguide groove disposed on the waveguide antenna body. Each right-angle section inside the waveguide groove has a guiding surface to direct the flow of electroplating solution. This utility model, by setting guiding surfaces in the form of arcs, slopes, or a combination of both at the right angles inside the waveguide groove, completely eliminates dead zones in the flow of electroplating solution, guiding the plating solution smoothly and comprehensively covering the bottom and corners of the waveguide groove. This effectively solves the plating leakage problem that easily occurs in traditional inner right-angle structures, ensuring that the plating layer is complete and of uniform thickness, thus guaranteeing the stability and reliability of the antenna's core conductivity. Simultaneously, it eliminates the need for multiple electroplating operations and increased plating solution flow rates, simplifying the production process, reducing sensitivity to equipment parameters and debugging difficulty, improving production efficiency, and reducing electroplating costs.

The invention belongs to the technical field of reactive dyes, and particularly provides a preparation method of a bright yellow reactive dye. The bright yellow reactive dye prepared by the method disclosed by the invention is a bisazo dye, the fixation rate is relatively high, the color of a dyed fabric is full, sulfonic groups are increased, and the dye solubility is good; the dye is high in solubility and improvement rate, good in leveling property, green and bright in color, good in light fastness and wet rubbing fastness, good in cleaning rate and suitable for dyeing various cellulosic fibers, the fixation rate reaches 65%, the dye belongs to environment-friendly and energy-saving dye, the product is suitable for dyeing various cellulosic fibers, the production process is simple, clean and environmentally friendly, spray drying is adopted after synthesis, the wastewater discharge amount is reduced, and the production cost is reduced. And the national energy conservation and emission reduction policy is met.

The utility model discloses a zero pressure suit version structure belongs to clothing version structure technical field, including front piece, back piece, side piece, sleeve and chest lining, the chest lining is connected on the front piece, the chest lining top is provided with the shoulder pad modeling part, the back piece with front piece, side piece, sleeve sewing connection place all is provided with the gathering area for making scapular region of back piece form three -dimensional volume, back piece with front piece connection place forms shoulder oblique, the angle of shoulder oblique is located 21~23, the utility model breaks through the pain point of traditional suit multiple position compression, around ergonomics, with realizing basic zero pressure body feeling as the core, considers the feeling of each easily oppressed part of human body when wearing suit, improves the wearing comfort degree.

This invention discloses a strain of *Pediococcus pentosaceus* RL-10 and its application in bio-acidification rice soaking and bacterial cellulose production, belonging to the field of microbial technology. The preservation number of *Pediococcus pentosaceus* RL-10 is CCTCC NO: M 20252428. This invention is the first to use *Pediococcus pentosaceus* as a strain for bio-acidification rice soaking. Using rice soaking water as a production substrate, *Acetobacter Hansenulatus* and strain RL-10 are co-cultured in situ to produce bacterial cellulose loaded with antimicrobial peptides. Under certain process conditions, acidification of rice soaking by strain RL-10 can rapidly increase acidity and shorten soaking time. The bacterial cellulose production process of this invention is simple and low-cost; verification shows that the bacterial cellulose prepared by the method of this invention has high yield and good antibacterial activity, meeting the requirements of large-scale industrial production.

The invention discloses an efficient composite defoaming agent and a preparation method thereof. The defoaming agent comprises the following components in percentage by weight: 2-5% of oxidized polyethlene wax, 10-20% of mineral oil, 3-6% of fatty alcohol polyoxypropylene ether, 2-4% of tween-20, 2-4% of polyethylene glycol dioleate, 2-3% of cationic starch and the balance of deionized water. According to the invention, oxidized polyethlene wax, mineral oil, polyether and other components are compounded according to a specific ratio, and the synergistic effect of cationic starch and an emulsifier system is utilized to form a stable emulsion. The defoaming agent combines the advantages of the high-molecular polymer, the polyether and the mineral oil, has the characteristics of high defoaming speed, long foam inhibition time, good high-temperature resistance and good compatibility, and is simple in preparation process, low in cost and wide in application.

The invention belongs to the technical field of comprehensive recovery of scattered metal tellurium, and particularly relates to a method for recovering copper and tellurium from copper telluride slag. According to the method, metal copper and metal tellurium are effectively recovered through directional oxidizing roasting, water leaching copper and tellurium separation, alkaline leaching impurity removal and tellurium enrichment and neutralization and precipitation of tellurium dioxide, and meanwhile enrichment of precious metal with the extremely low content in the raw materials is completed; according to the method, the metal copper and the metal tellurium can be efficiently recovered from the copper telluride slag, the production process is simple, the recovery rate of the copper reaches 99% or above, the recovery rate of the tellurium can reach 90% or above, and the purity of tellurium dioxide is larger than 98%.

The application belongs to the technical field of semiconductor lamps and lanterns, and proposes a production method of a bendable and shaped lamp strip and the bendable and shaped lamp strip. During production, a flexible lamp plate is pushed by a bending mold to form a wave-shaped lamp plate including lamp bead convex parts and lamp bead side surface groove interval arrangement and is attached to the bending mold, a straight plate support is prepared, interval arranged movable limiting grooves and lamp bead convex part supporting parts are formed on the straight plate support, the wave-shaped lamp plate attached to the bending mold is assembled to the straight plate support, the back groove of the lamp bead convex part is correspondingly buckled and bonded with the lamp bead convex part supporting part, the back protrusion of the lamp bead side surface groove is embedded into the movable limiting groove to shape the wave-shaped lamp plate, and after the wave-shaped lamp plate shaping is completed, the bending mold is removed to generate the bendable and shaped lamp strip, so that the production process of the bendable and shaped lamp strip is simplified, the production cost is reduced, and the production efficiency is improved.

The utility model relates to pesticide crushing drying technical field, concretely is a kind of pesticide airflow crushing and drying process device, including air compressor, refrigeration dryer, heat exchange system, airflow crusher and auxiliary assembly, the refrigeration dryer is connected the air compressor, the heat exchange system includes waste heat recovery module and circulating temperature rising module, the waste heat recovery module is connected with the radiator of air compressor, the circulating temperature rising module connects the refrigeration dryer with the waste heat recovery module, the airflow crusher connects the circulating temperature rising module, the auxiliary assembly includes separator, dust collector and induced draft fan, the separator, dust collector and induced draft fan are sequentially piped connected in the export end of airflow crusher, and the structure utilizes the heat generated by air compressor to convert into the heating source of drying air, reaches the effect of drying air energy-saving temperature rising.

The utility model relates to the technical field of lithium battery positive electrode materials, and discloses a pretreatment sagger and sintering equipment. The lithium layer is arranged at the bottom of the sagger body and is suitable for preventing lithium from being absorbed by the sagger body in the sintering process; the lithium layer is composed of one of lithium carbonate, lithium hydroxide or lithium oxide and is fixed to the bottom of the sagger body. The sintering equipment comprises a sintering furnace; the saggar bearing frame is arranged in the sintering furnace and used for fixing and arranging the multiple pretreatment saggars. The gas circulation system is used for introducing inert gas or reducing gas into the furnace in the sintering process so as to prevent lithium from being oxidized. The lithium layer can reduce direct contact between the sagger body and lithium, so that corrosion and abrasion of the sagger are reduced, and the service life of the sagger is prolonged.