60results about How to "Reduce utilization" patented technology

This utility model relates to an anti-clogging reactor for the resource recovery and preparation of ammonium sulfate from high-concentration ammonia-containing waste gas. The reactor body includes an absorption zone and a crystallization zone from top to bottom, with the crystallization zone and the absorption zone connected. The absorption zone is located above the liquid surface, and the crystallization zone is located below the liquid surface. The top of the absorption zone has a tail gas outlet, and the bottom of the crystallization zone has a crystal slurry outlet. An external Venturi reaction zone is located below the absorption zone of the reactor body, connected to the reactor body. The Venturi reaction zone has an inlet for the ammonia-containing waste gas and an inlet for the circulating absorbent liquid. The external Venturi reaction zone forms a primary absorption, reducing the intensity of the absorption reaction within the reactor and significantly improving the anti-clogging capability.

The application provides a method for preparing 3.5-valence vanadyl sulfate electrolyte by reducing ammonium polyvanadate with a gas, which comprises the following steps: (1) ammonium polyvanadate is reduced and calcined by a reducing gas to obtain vanadium oxide; the vanadium oxide contains V4O7; the reducing gas comprises a mixed gas of NH3, CO and H2; (2) a mixed sulfuric acid solution and the vanadium oxide are subjected to a dissolution reaction, and vanadium adjustment is performed to obtain 3.5-valence vanadyl sulfate electrolyte. The process is simple and easy to implement, 3.5-valence vanadyl sulfate electrolyte product can be obtained from ammonium polyvanadate as raw material, the vanadium concentration is high, and the application prospect is wide.

The utility model discloses a kind of loading devices of gasification coarse slag, belong to synthetic ammonia technical field.It include installation platform, distributing pipe, ash water collection tank, sludge dredger, vibrating screen, ash water collection basin, first stair and second stair;The bottom end of distributing pipe is equipped with spare discharge gate and dewatering discharge gate, dewatering discharge gate is connected with vibrating screen, ash water collection basin is located just below vibrating screen and it is connected with ash water collection tank by drain pipe;Installation platform is double-layer structure and it is set along front-back, vibrating screen is set in first layer along front-back, spare discharge gate is located just in front of or just behind vibrating screen, ash water collection tank is located left side or right side of installation platform, sludge dredger and drain pipe are set in left-right direction inclination;First stair is set between first layer and ground, it is located on the side of installation platform close to ash water collection tank, and it is set along left-right direction;Second stair is set between second layer and first layer, and it is set along front-back, and it is located on the side of installation platform away from ash water collection tank.

The application provides a seven-day period factory cyclic Megalobrama amblycephala fry behavior domestication method and system, relates to the Megalobrama amblycephala breeding technical field, and includes: domesticating the fry into a domestication pond on the first day; starting vertical water flow impact before feeding fresh bait fish according to a preset first feeding frequency on the second day; feeding electric shock disabled live bait according to a preset second feeding frequency on the third day; feeding mixed live bait according to a preset third feeding frequency on the fourth day; feeding mosaic bait according to a preset fourth feeding frequency on the fifth day; feeding pure artificial compound feed using a composite feeding mode and starting water flow impact on the sixth day; feeding pure artificial compound feed on the seventh day, and screening domestication successful individuals based on behavior indexes after the period ends, so that the Megalobrama amblycephala is rapidly domesticated from feeding live bait to feeding artificial compound feed.

The invention discloses a cleaning device of an injection mold. The cleaning device comprises a first support, a liquid inlet pipe, a cleaning liquid spray head, a second support, a fixed device, a telescopic rod, a rotating device, a brush rod, brush heads, a conveying belt and an injection molding device fixing box. The first support and the second support are arranged on one side of the conveying belt. The cleaning liquid spray head is mounted at one end of the first support. The fixed device is arranged on the lower portion of the upper end of the second support. The telescopic rod is arranged at the lower end of the fixed device. The rotating device is arranged at the lower end of the telescopic rod. The brush rod and the brush heads are arranged at the lower end of the rotating device. The cleaning device is simple in structure, convenient to use, high in cleaning speed and good in impurity removal effect, and little energy is utilized.

The invention provides a radio access network intelligent controller (RIC), a dynamic resource block (RB) configuration method and a base station for dynamically configuring resource blocks. A plurality of base stations (BSs) continuously receive network state information from a plurality of associated UEs and transmit the network state information to the RIC. The RIC obtains network state information corresponding to a plurality of user equipments (UEs) from the plurality of BSs; the RIC identifies at least one interfered first UE in the plurality of UEs based on the network state information; the RIC sets a plurality of dynamic RB allocation strategies corresponding to the plurality of BSs based on the network state information, the at least one first UE and the at least one first BS; in response to receiving a dynamic RB allocation policy from an RIC, a plurality of BSs divide a plurality of dominant RBs into a plurality of first RB groups and a second RB group, thereby generating transmission resource allocation information corresponding to a plurality of UEs, so that the plurality of UEs identify respective plurality of allocated RBs.

The utility model provides an intercommunication type plant irrigation rainwater regulation and storage layer, relates to the rainwater regulation and storage technical field, including irrigation rainwater regulation and storage layer and regulation and storage bucket, irrigation rainwater regulation and storage layer is formed by assembling a plurality of groups of regulation and storage buckets together, and the lower part of the outer side surface of regulation and storage bucket is provided with a drain pipe, the upper end of regulation and storage bucket is provided with a receiving port, and the receiving port is provided with a drain pipe. A permeation cover plate covers the bearing port, and the drain pipe is of a circular connecting pipe section structure. The intercommunication type rainwater regulation and storage layer for plant irrigation can be laid in a large area in a circulating buckle connection mode, can be used on a basement top plate and serves as a water filtering layer, drainage pipes of the regulation and storage layers are connected through thermal shrinkage ferrules during installation, the water level in the water storage bins is balanced, water can be stored when water is not needed, and the water storage layer is convenient to use. When irrigation greening or water use is needed, water can be pumped from an edge drainage pipeline opening for use, installation and clamping are flexible and convenient, durability is achieved, structural loads are reduced, earthwork cost is saved, and cost expenditure is reduced.

The utility model relates to a take-up track transfer type pile line split air mobile charging robot system, which comprises an air track, a walking module, a movable charger, a winding gun line module, a charger side butt joint module, a winding side butt joint module, a power taking module, a charging call response system and a control processing unit, the movable charger can move along the aerial track and change the track and steer under the driving of the walking module, a winding gun line module is arranged beside each parking space, the movable charger can achieve the purpose that any parking space can be in electrical butt joint with the winding gun line module, and therefore the charging service can be provided for an electric automobile below the movable charger. The utility model relates to the field of new energy vehicle charging, eliminates the one-to-one binding relationship between a movable charger and a charging gun line, greatly improves the utilization rate of charging resources, supports reservation charging and queuing charging, can take back the charging gun line after a user pulls out a gun, and is more convenient, more efficient, cleaner and safer.

This utility model relates to the technical field of aging test equipment, and in particular discloses an automatic feeding multi-layer aging rack, including a frame and an aging line mounted on the frame. The aging line includes an aging station, an aging fixture, a transmission mechanism, a lifting assembly, and a drive motor. The frame has an interface for electrical connection to an external power source at the aging station. The aging fixture carries the test workpiece and performs aging tests on it. The transmission mechanism, mounted on the frame, transports the aging fixture to the aging station. The output shaft of the drive motor is connected to the transmission mechanism to provide power. The transmission mechanism drives the aging fixture, which in turn carries the test workpiece to the aging station. The lifting assembly lifts the aging fixture, causing it to connect the test workpiece to the interface for electrical aging testing. This utility model, by incorporating a lifting assembly, automates the entire process from loading the test workpiece to electrical connection for aging testing, reducing manual intervention and improving work efficiency.

The application provides a near-memory DMA data transposition controller, a data transposition method, a medium and a product. The near-memory DMA data transposition controller is arranged on a data transmission path between a far-end memory and a near-end memory of an AI computing chip, and comprises a first DMA control module and a second DMA control module. The transposition operation only occurs after data is read from the near-end memory, thereby reducing independent transposition processing links, reducing transposition power consumption overhead and operation delay, avoiding a decrease in bus bandwidth utilization caused by transposition, and reducing hardware resource overhead. A dynamic splitting strategy concentrates non-aligned access in a first data block, thereby improving overall bandwidth utilization. The transposition operation is separated from a computing unit, the transposition is completed synchronously in a data carrying process, computing resources are released, and an operation period and power consumption overhead are reduced.

The utility model discloses a risk knowledge map visual display device which comprises a base, the top of the base is fixedly connected with a hollow column, the top of the hollow column is provided with a lifting column in a penetrating mode, the lifting column is connected with the hollow column in a sliding mode, an adjusting mechanism is arranged between the hollow column and the lifting column, and the top of the lifting column is fixedly connected with a top plate. The top of the top plate is fixedly connected with a motor, the output end of the motor is fixedly connected with a threaded rod, the threaded rod penetrates through the top plate and is rotationally connected with the top plate, the outer wall of the threaded rod is sleeved with a lifting block in threaded connection with the threaded rod, and the lifting block penetrates through the lifting column and is slidably connected with the lifting column; the outer wall of the lifting block is fixedly connected with a fixing ring. The height and the angle of the display screen can be adjusted through the arrangement of the motor and the T-shaped hand lever, and different display requirements are met by adjusting the heights of a plurality of risk knowledge graph display screens; by synchronously adjusting the angles of the multiple display screens, the display effect is improved.

The embodiment of the invention provides a vehicle control device and system and a vehicle, and relates to the technical field of vehicles. The vehicle control device at least comprises an alternating current-direct current converter, a first control module, a second control module and a power battery module, wherein the first control module is connected with the AC / DC converter and the power battery module through a target relay to form a current conversion loop; and the second control module is connected with the AC / DC converter and the power battery module to form a motor driving loop. The device can realize decoupling of the power supply module and the electric drive module through the target relay, so that the power supply module and the electric drive module share a part of power tubes, the number of power devices is reduced, and the hardware cost is reduced.

The application discloses a kind of cantilever formwork framework and its construction method for double-chamber hollow thin-walled high pier construction, comprising: triangular support frame, separable fixed connection assembly in high pier;Hoisting platform, fixed connection assembly is in the bottom end of triangular support frame;Construction platform, fixed connection assembly is in the top end of triangular support frame;Main back frame, including back sliding cross, back vertical frame and inclined strut;Back sliding cross can be positioned sliding assembly in the top end surface of construction platform;The bottom end of back vertical frame and the end of back sliding cross close to high pier are hingedly connected assembly;Inclined strut is fixed telescopic rod, and the end of inclined strut along its telescopic direction and the side end surface of back vertical frame away from high pier are connected assembly, the other end of inclined strut along its telescopic direction and the end of back sliding cross away from high pier are connected assembly;Formwork body, separable fixed connection is connected between back vertical frame.Solve the technical problems existing in the formwork system of prior art for mountain high pier construction.

This utility model discloses a sealing head structure and a battery, relating to the field of battery manufacturing technology. Specifically, it includes a heat-sealing head, a heat-insulating layer, and a cold-sealing head. The heat-insulating layer is connected to one side wall of the heat-sealing head; the cold-sealing head is connected to the side wall of the heat-insulating layer away from the heat-sealing head. The heat-insulating layer blocks heat transfer between the heat-sealing head and the cold-sealing head. This application uses a heat-insulating layer between the heat-sealing head and the cold-sealing head to block heat transfer, enabling the cold-sealing head to effectively cool and protect against the spread of heat radiation, thus protecting the inner layer of the aluminum-plastic film from damage. This significantly reduces process defects caused by heat radiation and avoids cell gas expansion caused by the inability to expel gas in time. It effectively improves the formation interface, avoids defects such as black spots or lithium plating during the formation process, and is beneficial for improving battery electrical and safety performance while reducing production costs.

This utility model discloses a channel-type walking cleaning device, including a walking platform and a cleaning water pipeline system. The walking platform includes two symmetrically installed side boxes, forming a walking channel between the two side boxes. Wing plates are connected to the outer sides of both side boxes. The walking platform is fixed to the ground by the wing plates. A wastewater recovery tank is connected below the walking platform. The cleaning water pipeline system is installed on the walking platform, and the cleaning water pipeline system creates a spray washing effect in the walking channel. The walking channel and the wastewater recovery tank form a water flow connection effect. A water pump is connected to the outlet pipe of the wastewater recovery tank. This utility model adopts a channel-type design, which allows workers to complete the shoe cleaning operation after completing one walking stroke in the walking channel. This utility model has the advantages of low water consumption, good cleaning effect, and dedicated wastewater recovery.

The utility model discloses a mould positioning device for a rubber vulcanizing machine, which comprises a mould base arranged on the rubber vulcanizing machine and a positioning unit used for positioning and clamping a mould, the positioning unit comprises four clamping pieces respectively arranged on four sides of the mould base, each clamping piece comprises a plurality of positioning heads, a fixing plate and a plurality of guide rods, the fixing plates are installed on the die base, the fixing plates of the four clamping pieces are matched to form a positioning space, a plurality of guide screw holes in threaded connection with the guide rods are formed in the fixing plates, the positioning heads are arranged in the positioning space and connected with the guide rods respectively, and each positioning head comprises an elastic part. The mold positioning device has the beneficial effects that molds with different sizes and shapes can be positioned and clamped, the utilization rate of the mold positioning device is improved, and the practicability is enhanced.

The invention relates to the technical field of spaceflight measurement and control, and provides a multi-frequency-point DPSK demodulation optimization method and system based on an FPGA, and the method comprises the steps: reading and caching binding parameter information after the FPGA is powered on and initialized; a DPSK-FM modulation signal to be demodulated is received; fourier transform operation is carried out on a carrier signal containing a to-be-demodulated DPSK-FM modulation signal to obtain frequency point information of an input signal; selecting filter configuration parameters of corresponding channels based on frequency point information of the input signals, performing down-mixing processing, uniformly converting the input signals of different carrier frequency points to the same target frequency point, and performing demodulation processing to obtain demodulated instruction data; and carrying out decoding comparison on the demodulated instruction data and the binding parameter information, and outputting a demodulation validity judgment according to a comparison result. According to the method, frequency point preprocessing unification in an FPGA program is achieved, redundant processing on multiple frequency points in a traditional method is avoided, unknown frequency points are converted into the same frequency in a unified mode, the universality of an FM-DPSK demodulation algorithm is improved, and the working efficiency of receiver FPGA software is effectively improved.

The invention discloses a cleaning device of a photovoltaic module and a control method of the cleaning device, the cleaning device comprises a frame body, a driving wheel and a track, the frame body is provided with a rolling brush, the rolling brush extends along the width direction of the photovoltaic module, the rolling brush is used for rolling on a photovoltaic panel of the photovoltaic module to clean the photovoltaic panel, the driving wheel is connected with the end part of the frame body, and the track is connected with the driving wheel. The track is connected with the photovoltaic module and extends in the length direction of the photovoltaic module, and the driving wheel is used for rolling along the track. And the cleaning device realizes automatic cleaning of the photovoltaic module, so that the cleaning efficiency is improved, the manual operation is reduced, and the labor intensity in a severe environment and the potential safety hazard of high-altitude operation are reduced. The rolling brush achieves waterless cleaning of the photovoltaic module through rotation of flexible contact, the problem that water resources are scarce in a special environment is effectively solved, limitation of water quality and weather conditions to the cleaning effect is avoided, and the cleaning device is particularly suitable for cleaning operation and maintenance scenes of large-scale desert photovoltaic power stations.

This utility model discloses a battery pack, including a housing. The housing includes a frame and a base plate connected together. Multiple cylindrical batteries and structural beams are arranged on the base plate. The cylindrical batteries are arranged along the extension direction of the structural beams. Explosion-proof valves on the cylindrical batteries are positioned close to the structural beams, with the distance between the explosion-proof valves and their projection onto the structural beams being 9-19 mm. This battery pack not only ensures battery safety in the event of thermal runaway but also improves the space utilization of the housing's storage compartment.

The application provides a phosphorus-containing phenolic aldehyde epoxy flame-retardant resin, a preparation method of the phosphorus-containing phenolic aldehyde epoxy flame-retardant resin and a cured product of the phosphorus-containing phenolic aldehyde epoxy flame-retardant resin. The preparation method of the phosphorus-containing phenolic aldehyde epoxy flame-retardant resin is different from other methods of adding flame retardants by physical blending, and the method is fundamentally ensured to obtain high chemical flame retardancy by introducing phosphorus and a phenolic aldehyde resin flame-retardant structure without sacrificing mechanical properties. The low-viscosity phosphorus-containing phenolic aldehyde epoxy flame-retardant resin prepared by the method solves the problem that general phenolic aldehyde epoxy resins have too large viscosity and are not conducive to processing, and the resin is given a lower viscosity by using a special viscosity control means in a synthesis reaction stage of the phenolic aldehyde resin, and is more suitable for processing applications.

The invention relates to the technical field of permanent magnet preparation, and particularly discloses a high-temperature-resistant neodymium-iron-boron magnet and a preparation method thereof. The high-temperature-resistant neodymium-iron-boron magnet comprises the following elements in percentage by mass: 17.4%-19.5% of Nd, 0.66%-0.72% of B, 38.37%-41.19% of Fe, 0.36%-4.8% of Dy, 0.18%-0.3% of Nb, 0.18%-0.3% of Al, 0.03%-0.09% of Cu, 29.1%-34.8% of an alloy rapid hardening sheet and the balance of unremovable impurities, wherein the alloy rapid hardening sheet contains Pr, Tb, Bi and Sn; the preparation method comprises the following steps: grinding the surface of an alloy rapid hardening sheet to be bright, mixing the alloy rapid hardening sheet with a pretreated magnet block, adding zirconium oxide balls, putting into a reaction kettle of a rotary diffusion furnace, vacuumizing the reaction kettle, introducing argon, rotating at the rotating speed of 4-6r / min, keeping the temperature at 700-704 DEG C for 3-7h, and carrying out rotary diffusion, so as to obtain the zirconium oxide-based composite material. And then carrying out heat preservation at 850-950 DEG C for 2-4 hours for high-temperature diffusion and heat preservation at 450-550 DEG C for 2-4 hours for tempering heat treatment by using a vacuum tube furnace in a vacuum environment. The high-temperature-resistant neodymium-iron-boron magnet has the advantage that the defect that heat resistance of a conventional neodymium-iron-boron magnet is still insufficient is overcome.

This invention provides a method for the resource utilization of potassium-containing metallurgical solid waste. The method comprises seven steps: ash transportation and storage, pulping, leaching, filtration, carbon removal, water treatment, water storage, and irrigation. This invention achieves a potassium removal rate of over 95% and a sodium removal rate of over 89% after treating the potassium-containing metallurgical solid waste. The leaching residue is recycled in the sintering process of the metallurgical industry, reducing the alkali content of the sintered ore, improving the efficiency of blast furnace ironmaking, and realizing the low-cost recovery and effective utilization of potassium resources from potassium-containing metallurgical solid waste.

The utility model relates to the field of traditional chinese medicinal material processing especially relates to traditional chinese medicinal material circulating water cleaning equipment, including the cleaning water tank, still including the water storage tank, the left side fixed mounting of water storage tank upper end has the purifier, the inside of purifier is provided with the purification filter element, the right side fixed mounting of water storage tank upper end has the filter box, the inside of filter box is provided with the filter screen frame, the upper end fixedly connected with the drain pipe of filter screen frame, the right end fixedly connected with the outlet pipe of water storage tank, the upper end fixed mounting of cleaning water tank has the supporting plate, the upper end fixed mounting of supporting plate has the drive motor, the utility model opens the electric control valve and cooperates liquid pump one to drive wastewater from the drain pipe to enter the filter box, utilizes the filter screen frame to filter and screens out the impurity particle in wastewater, carries out secondary purification treatment to wastewater through the purification filter element, and stores in the water storage tank, the convenient water source's recycling uses, improves the utilization rate of water source is lower, has reduced traditional chinese medicinal material cleaning cost, reduces the resource waste simultaneously.

This invention discloses a dynamic energy storage regulation system for smart microgrids applicable to new energy power plants, relating to the field of power grid management technology. The invention acquires monitoring information of disturbance events occurring in the target system through a condition monitoring module. A prefetching management module prefetches several monitoring values ​​of each acquisition parameter into a cache according to the prefetching strategy for each acquisition parameter. A data analysis module analyzes the retrieval status of all monitoring values ​​prefetched into the cache for each acquisition parameter during various disturbance events, determining the comprehensive impact of each acquisition parameter under the disturbance event. The prefetching management module adjusts the prefetching frequency of each acquisition parameter's monitoring values ​​accordingly when the next disturbance event occurs. In this way, dynamic adaptation of the prefetching of each acquisition parameter during disturbance events can be achieved, solving the problems of resource waste and insufficient prefetching caused by fixed-frequency prefetching in traditional prefetching methods.

The invention discloses a green preparation process of capryloyl hydroxamic acid, and relates to the technical field of fine chemical synthesis. The environment-friendly preparation process of the capryloyl hydroxamic acid at least comprises the following preparation steps: mixing and stirring hydroxylamine sulfate, sodium hydroxide and ethanol, dropwise adding ethyl caprylate, and carrying out oximation reaction to obtain a reaction mixed system; reducing the temperature of the reaction mixed system, dropwise adding concentrated sulfuric acid to adjust the pH value to 6-7, and performing solid-liquid separation to obtain sodium sulfate and capryloyl hydroximic acid mother liquor; and carrying out rotary evaporation on the capryloyl hydroxamic acid mother liquor to recover the ethanol, and carrying out fractional crystallization to obtain the capryloyl hydroxamic acid. The green preparation process of capryloyl hydroxamic acid provided by the invention has the advantages of high raw material utilization rate, strong solvent recycling reusability, high product molar yield, high purity, good chroma, light smell, good corrosion resistance, continuous production, no three wastes in the process, low temperature and normal pressure, safety, green and energy saving, and accords with the green chemical engineering concept of carbon neutralization.

The utility model discloses a novel urea hydrolysis ammonia production reactor which comprises a reaction chamber, a heating chamber is arranged on the outer peripheral side of the reaction chamber, a denitration structure is arranged beside the heating chamber and comprises a horizontal flue and a vertical flue, a heat exchange chamber is arranged on the outer side of the horizontal flue, one end of the heat exchange chamber is connected to a water source, and the other end of the heat exchange chamber is connected to a steam generator. The steam generator is connected to the bottom end of the heating cavity, and an air outlet is further formed in the upper end of the heating cavity. According to the utility model, heat of flue gas needing denitration treatment is recycled and used for forming heating steam to heat and hydrolyze a urea solution in the reaction chamber, so that the energy conservation and resource utilization are improved; meanwhile, steam can also be used for preheating a urea solution, so that the hydrolysis ammonia preparation efficiency is improved.

This invention discloses a cement concrete pavement structure for use in vehicular roads, relating to the field of road construction technology. The cement concrete pavement structure includes: a subbase layer composed of graded steel slag; an intermediate base layer composed of cement-stabilized steel slag; a sand cushion layer composed of sand; and a surface layer composed of cement concrete. The subbase layer, intermediate base layer, sand cushion layer, and surface layer are laid from bottom to top. The subbase layer is laid on the roadbed, the intermediate base layer is laid on top of the subbase layer, the sand cushion layer is laid on top of the intermediate base layer, and the surface layer is laid on top of the sand cushion layer. This invention provides a cement concrete pavement structure that can improve the strength of the pavement structure and environmentally treat waste steel slag, thereby improving resource utilization.

This utility model relates to an electric motor, specifically an electric motor and a compressor. The motor satisfies the following condition: (μ0×hcj / Bm)×100≤N×a×Wt / t≤(μ0×hcj / Bm)×2000; where N is the number of turns in a single stator winding, Wt is the shortest width of the stator teeth, t is the thickness of a single permanent magnet, a is the angle between permanent magnets in the same pole, Bm is the saturation magnetic flux density of the stator material, μ0 is the permeability of free space, and hcj is the intrinsic coercivity of the permanent magnet material. Compared with the prior art, this utility model addresses the deficiency of existing technologies that only reflect the influence of a few structures in the motor on demagnetization resistance. This solution proposes the relationship between the number of coil turns, the shortest width of the teeth, the thickness of the permanent magnet, the angle between the permanent magnets, and the demagnetization resistance. By adjusting the motor structure, the motor's demagnetization resistance can be improved, and the amount of permanent magnets used can be reduced.

This invention discloses a method for the synergistic dezincification and desulfurization of high-sulfur bauxite, comprising the following steps: A) High-sulfur bauxite is crushed and fed into a ball mill, quicklime and circulating mother liquor are added according to the ratio for grinding to obtain a pretreated slurry; B) The pretreated slurry is fed into a reactor for leaching to obtain a leached slurry; C) The leached slurry is diluted, and after sedimentation and separation, a crude sodium aluminate solution is obtained; The molar concentrations of residual Zn²⁺ and S²⁻ in the crude sodium aluminate solution are detected, and the crude sodium aluminate solution is fed into a reaction tank and heated to 95-100℃. At the same time, lime milk is added to the reaction tank under stirring, and then stirring is continued at 95-100℃ for 20-40 minutes to obtain a precipitate; D) The precipitate is filtered to separate the precipitate and the filtrate; the filtrate is the crude sodium aluminate solution after dezincification and desulfurization. The method of this invention can achieve simultaneous and efficient removal of zinc impurities and S²⁻, reduce processing costs, reduce equipment corrosion, and improve the quality of alumina products.

The present disclosure provides a bacteriostatic method of a base station sewage tank and a base station, and relates to the technical field of cleaning equipment. The bacteriostatic method comprises the following steps: obtaining the temperature of the sewage tank; determining whether the temperature is higher than or equal to a first preset temperature; and when the temperature is higher than or equal to the first preset temperature, controlling a refrigeration mechanism to perform refrigeration and deliver cold energy to the sewage tank. In this way, when the temperature of the sewage tank is higher than or equal to the first preset temperature, the base station can automatically start the refrigeration mechanism to perform refrigeration and make the cold energy reach the inside of the sewage tank, thereby reducing the temperature of the sewage tank, inhibiting the growth and reproduction of microorganisms in the sewage tank, greatly reducing the probability of odor generation of the sewage tank, prolonging the cleaning interval length of the sewage tank, reducing the cleaning frequency of the sewage tank, and improving the user experience.