557 results about "Liquid waste" patented technology

Waste collection and processing systems for use in low-gravity environments include a toilet having a bowl and a lid, the toilet configured to receive solid human waste; a liquid waste collection system comprising a liquid waste receptacle configured to receive liquid human waste; a first waste tank fluidly coupled to the toilet; a second waste tank fluidly coupled to the liquid waste collection system; a third waste tank fluidly coupled to the liquid waste collection system, wherein the first waste tank, the second waste tank, and the third waste tank are each configured to be operated between reclamation modes of operation and collection modes of operation; and a waste outlet configured to selectively receive an airflow from each of the first waste tank, the second waste tank, and the third waste tank.

Waste collection and processing systems for use in low-gravity environments include a toilet having a bowl and a lid; a waste tank having an inlet and an outlet, with the bowl fluidly coupled to the inlet of the waste tank; a first valve arranged between the bowl and the waste tank and selectively operable to allow fluid connection between the bowl and the waste tank; a second valve arranged at a first outlet of the waste tank and selectively operable to allow for solid waste and liquid waste within the waste tank to be directed to a waste outlet; and a third valve arranged at a second outlet of the waste tank and selectively operable to allow for gases to be removed from the waste tank and directed to at least one of an occupied space, an external environment, or a waste reclamation system.

The invention discloses a caving zone filling method based on solid-liquid-gas three-waste synergistic mineralization, and relates to the technical field of mine filling. Comprising the following steps that goaf grouting filling parameters are determined through a multi-source data fusion analysis method; the filling material is prepared by taking mining area solid wastes, mining area liquid wastes and gas wastes as basic materials; filling materials are injected into the residual space of the caving zone of the goaf of the underground working face through a ground grouting filling system, the loose gangue structure in the goaf is cemented, and a filling body is formed; the method realizes the utilization of solid-liquid-gas three wastes in the mine, achieves the purposes of reducing ground surface settlement, protecting water resources and the like, and accords with the low-carbon and high-efficiency mineral development concept.

The invention relates to the field of solid-liquid waste separation devices, in particular to a solid-liquid waste separation device for aluminum triphosphate production, which comprises a separation component, two support plates arranged on a plate-and-frame filter press, a plurality of filter plates arranged on the support plates, and a pair of extension plates arranged on the filter plates, the first electric sliding rail is arranged on the supporting plate, the switching block is arranged on the first electric sliding rail, and the plate pulling device is arranged on the switching block; the vibration component comprises a lifting assembly arranged on the plate pulling device, a guide assembly arranged on the plate pulling device, a one-way assembly arranged on the guide assembly, an impact assembly arranged on the plate pulling device and a transmission assembly arranged on the guide assembly; according to the multi-directional vibration filter plate, through multi-directional vibration, material cakes are prevented from being adhered to the filter plate, and waste of the material cakes during washing is avoided.

The utility model relates to the technical field of roller manufacturing and processing, and discloses a roller spray quenching processing device and a cooling liquid recycling regulation and control system thereof, which comprise a barrel body, a cooling liquid recycling regulation and control system, a cooling liquid recycling regulation and control system, a cooling liquid recycling regulation and control system and a cooling liquid recycling regulation and control system, a cooling liquid recycling regulation and control system, a cooling liquid recycling regulation and control system and a cooling liquid recycling regulation and control system, the cleaning mechanism is arranged in the barrel and used for cleaning an oxidation layer or a decarburization layer formed on the surface of a roller in the high-temperature quenching process, and the spray quenching cooling liquid recycling regulation and control system comprises a temperature sensor, a temperature sensor, a temperature sensor, a temperature sensor, a temperature sensor, a temperature sensor, a temperature sensor and a temperature sensor, and the temperature sensor is arranged in the liquid distribution pipe and used for detecting the temperature of cooling liquid and recycling liquid in a pipeline; and the PLC is used for integrally controlling and coordinating the operation of the system. Uniform quenching is ensured through the rotating assembly and the limiting assembly, the cleaning assembly automatically adapts to and cleans impurities on the surface of the roller, the cooling effect and the mechanical performance are improved, the problems of cooling liquid waste and unstable temperature are solved through the recycling assembly, resource recycling is achieved, and the production cost is reduced.

Waste collection and processing systems for use in low-gravity environments include a toilet having a bowl and a lid with a waste tank having an inlet and an outlet, wherein the bowl of the toilet is fluidly coupled to the inlet of the waste tank. A waste bag is arranged within the waste tank to capture human waste deposited into the waste tank from the toilet bowl. The waste bag is permeable to gases and impermeable to liquid waste and solid waste. A filter assembly is fluidly coupled to the outlet of the waste tank and configured to treat air that passes through the filter assembly. A first valve is operably arranged between the bowl and the waste tank and a second valve is operably arranged between the waste tank and the filter assembly.

The invention relates to the technical field of coal mining and mine safety engineering, and discloses a coal pillar stability dynamic monitoring and pressure relief control method for gob-side entry driving, which comprises the following steps: collecting multi-field coupling signals of a coal pillar, and collecting environmental data of a roadway; analyzing the stability of the coal pillar according to the multi-field coupling signal, and when an analysis result does not meet a stable condition and the environmental data does not meet an environmental condition, generating a cooperative control instruction of the high-pressure water jet system integrated with the solid-liquid waste collection device; executing directional hydraulic fracturing pressure relief operation on the coal pillar area according to the cooperative control instruction, and monitoring the stress distribution and fracture closing state of the coal pillar after pressure relief; hydraulic parameters of the high-pressure water jet system are adjusted according to the coal pillar stress distribution and the fracture closed state; and when the coal pillar recovers the stable state and the environmental data meet the environmental conditions, controlling the pressure relief operation of the coal pillar area according to the cooperative stop instruction. According to the method, the accuracy of dynamic monitoring and pressure relief control of the stability of the coal pillar of gob-side entry driving can be improved.

The invention relates to the technical field of radionuclide separation, in particular to an Eu (III) / An (III) separation method based on a zirconium phosphonate-based metal organic framework adsorbent, which comprises the following steps: adding the zirconium phosphonate-based metal organic framework adsorbent into an Eu (III) and / or An (III) nuclide-containing aqueous solution with the acid concentration of 0.001-3M to carry out adsorption reaction, and then carrying out solid-liquid separation, wherein the zirconium phosphonate-based metal organic framework adsorbent is a zirconium phosphonate-based metal organic framework material exchanged by metal cations M; the metal cation M is selected from one of alkali metal ions, alkaline earth metal ions or divalent transition metal ions. According to the invention, the interlayer chemical properties of the material are regulated and controlled through ion exchange, so that the adsorbent has ultrahigh selectivity, rapid adsorption kinetics, high adsorption capacity and excellent structural stability on trivalent actinide / simulated nuclides in extremely high-acid, high-salt and intense-radiation environments; the key problems of low separation efficiency and poor stability in a high-acid complex system in the prior art are solved, and the method is suitable for treating high-level liquid waste.

A thermal disinfection system, and related of method of use and manufacture, is implemented with a liquid-carrying conduit associated with a given plumbing system applicable with a given environment. The thermal disinfection system may include a heating device configured for thermal contact with at least a portion of the liquid-carrying conduit, thereby defining a thermal contact region of the liquid-carrying conduit. Additionally, a thermal insulating layer may disposed on the heating device. The heating device may be configured to heat (or heat and dry) a lumen defined by the liquid-carrying conduit along the thermal contact region (in whole or in part) to a specified temperature to prevent (e.g., suppress) or inhibit (e.g., reduce) microbial activity from advancing through the lumen defined by the liquid-carrying conduit.

The invention provides an integral radial diffuser with a screw seat and machining equipment of the integral radial diffuser, and relates to the technical field of aero-engines, the integral radial diffuser comprises an impeller, the impeller is composed of a front cover, a screw seat body, blades and a rear cover, the screw seat body is circumferentially distributed on the outer surface of the front cover, and the blades are circumferentially distributed between the front cover and the rear cover. When the machining equipment is used, the collecting box is fixed to the outer side of the supporting column and located below a machined workpiece, cooling liquid waste liquid and metal chippings generated in the machining process can flow into the collecting box along with flowing of the cooling liquid waste liquid, and the metal chippings in the waste liquid are filtered through a filter screen on a filter screen frame; and cooling liquid and metal scraps are prevented from entering the machining equipment, the metal scraps can be conveniently cleaned by taking down the collecting box, and the convenience of the machining equipment in use is improved.

The invention discloses a multi-stage spraying type flue gas desulfurization device. The multi-stage spraying type flue gas desulfurization device comprises a desulfurization tower, a conical blanking hopper and a blanking pipe, a containing cavity is formed in the desulfurizing tower, a smoke inlet and a liquid inlet which are communicated with the containing cavity are formed in the desulfurizing tower, and the liquid inlet is formed above the smoke inlet; the conical discharging hopper is arranged at the bottom of the desulfurizing tower, and a discharging cavity communicated with the containing cavity is defined by the conical discharging hopper; the discharging pipe is arranged at the bottom of the conical discharging hopper and communicates with the discharging cavity, the interior of the discharging pipe is divided into a solid discharging channel and a liquid discharging channel, and the solid discharging channel and the liquid discharging channel are used for discharging solid waste and liquid waste in the containing cavity correspondingly. According to the multi-stage spraying type flue gas desulfurization device disclosed by the invention, solid-liquid separation of waste materials can be realized by the multi-stage spraying type flue gas desulfurization device.

The invention relates to the field of process waste gas treatment, and discloses a biopharmaceutical waste gas treatment device which comprises a steam conveying mechanism located on a side rack and matched with a conical cylinder structure of a steam suction end pipe to be used for conveying generated steam in a pressurized mode. The batch recovery mechanism is positioned on the built-in frame, and is matched with the large-diameter kettle to receive and separate solid and liquid waste gas treatment products; the output motor is located on the overhead frame and matched with the gear structure at the motor end to be used for generating torque for driving rotation. Through step-by-step treatment of the spaces of the operation kettles, the waste gas is ensured to be fully purified. After purification, the ammonia liquid flows into the downstream intermediate-diameter kettle through the discharge pipe, so that the waste gas in each stage is fully purified in a batch treatment mode, and the waste gas is treated with different intensities in different stages; the batch recovery mechanism optimizes the product recovery process after waste gas treatment through accurate structural design (such as matching of a partition plate structure and an inverted-V-shaped filter plate).

The invention discloses a waste liquid incineration device for waste lye, distillation residues, organic waste solvents and the like, and relates to the technical field of chemical hazardous waste treatment, the waste liquid incineration device comprises an incineration part, a waste heat recovery part, a flue gas up-to-standard emission treatment part and an incineration residue recovery part; the organic waste solvent, distillation residues and waste alkali liquor are burnt out together, and due to the fact that the calorific value of the organic waste solvent is high, auxiliary fuel natural gas is needed for starting and baking a furnace and an incandescent light, and the auxiliary fuel natural gas is not needed under the normal working condition; the heat insulation incinerator is arranged above one side of a cooling chamber of the waste heat boiler with the U-shaped membrane type wall structure, the membrane type wall tube panel with the Z-shaped structure penetrates through the two cooling chambers of the waste heat boiler with the U-shaped membrane type wall structure, and high-temperature flue gas with the temperature higher than 1100 DEG C can be cooled to the temperature lower than 300 DEG C; according to the incinerator, the U-shaped membrane wall structure waste heat boiler and the Z-shaped structure membrane wall tube panel structure, NaOH matter state change and adhesion in waste alkali liquid are fully considered, it is ensured that the system can reliably, safely and stably run, and the system has the characteristics of being environmentally friendly, capable of saving energy and capable of achieving resource utilization and energy regeneration.

The invention relates to the technical field of chemical waste gas treatment, in particular to an environment-friendly waste gas treatment device capable of reducing filtering load, which comprises a fixed support, a treatment mechanism is arranged in the fixed support, a filtering mechanism is arranged in the middle of an inner cavity of the treatment mechanism, and a spraying mechanism is further arranged in the treatment mechanism. And the treatment mechanism comprises a sealed tank body fixed in the fixed support, a first partition plate is fixed to the upper side of an inner cavity of the sealed tank body, and an L-shaped pipe penetrating through the upper end of the sealed tank body is fixed to the upper end of the first partition plate. The waste gas flow is monitored in real time through the gas flow meter in the waste gas pipeline, data support is provided for spraying amount adjustment, the air bag is inflated or deflated according to the waste gas amount, and part of spraying head inlets are blocked, so that the number of spraying heads participating in spraying is controlled, the using amount of spraying treatment liquid can be automatically adjusted according to the waste gas amount, and the spraying efficiency is improved. The situation that waste gas is pressed down by too much treatment liquid or treatment is insufficient due to too little treatment liquid is avoided, and liquid waste is reduced while the treatment effect is guaranteed.

The invention relates to the technical field of grinding machines, in particular to an automatic grinding machine with a replaceable wheel structure, which comprises a base, the top of the base is fixedly connected with an XYZ three-axis linkage machining bed, a Z-axis sliding table of the XYZ three-axis linkage machining bed is fixedly connected with a U-shaped bracket, one end of the U-shaped bracket is symmetrically and fixedly connected with a protective cover, and the other end of the U-shaped bracket is fixedly connected with a wheel replacing device. And three polishing wheels are uniformly arranged on the periphery of the protective cover. Through cooperative use of the wheel changing assembly and the adjusting assembly, when the wheel changing assembly drives the grinding wheels to be switched, the adjusting assembly can synchronously and automatically adapt to the flow of cooling liquid, and the adjusting assembly increases the output amount of the cooling liquid by adjusting the position of an adjusting piston for the high-heat-yield grinding wheels for primary machining and the like, so that thermal deformation of workpieces and excessive abrasion of grinding wheels are avoided; and for the finish machining low-heat-production grinding wheel, the cooling liquid flow is automatically reduced, cooling liquid waste and the follow-up waste liquid treatment cost are reduced, and automatic adaptation of the machining quality and the resource utilization rate is achieved.

The invention relates to the technical field of cleaning equipment, in particular to a cleaning treatment device for semiconductor part processing. Comprising a groove supporting plate, a spraying mechanism, a first rotating shaft and a second rotating shaft, the groove supporting plate is provided with a bearing disc capable of being provided with a bearing wafer boat and a rotating mounting disc, the rotating mounting disc is provided with a wafer boat clamp, and the spraying mechanism comprises a high-pressure spraying head, a negative-pressure suction nozzle and a boat wall spraying head. The high-pressure spray head and the negative-pressure suction nozzle can extend into the clamping groove of the wafer boat in a reciprocating mode, blockage of the high-pressure spray head is removed through the blockage removing block in the reciprocating process, and intermittent opening and closing are conducted by matching with the position of the wafer boat when the high-pressure spray head rotates. Multiple workpieces can be cleaned at the same time, synchronous cleaning inside and outside the wafer boat is achieved, dead corners are eliminated, cleaning liquid waste and equipment corrosion are reduced, and the blockage clearing blocks conduct scraping blockage clearing during reciprocating; when the high-pressure nozzle rotates, the high-pressure nozzle is intermittently opened and closed and only aims at the clamping groove for spraying, thereby adapting to boats with different heights, avoiding nozzle blockage and waste liquid residue and guaranteeing process precision.

The invention discloses a coal mine goaf multi-source waste synergistic mineralization filling and gas-liquid waste self-purification method. The method comprises the following steps of goaf exploration and comprehensive evaluation; treating and transforming the goaf; preparing an artificial multifunctional argillaceous slurry; artificial multifunctional argillaceous slurry is injected into the goaf, an artificial argillaceous sediment filter element is formed in the goaf, and initial diagenesis is conducted in the gelling reaction process; a waste modified culture medium containing functional microorganism liquid is injected into the goaf, and gas waste is injected into the goaf; stable supporting of the goaf is achieved through artificial mudstone, and goaf filling is completed. According to the method, resource utilization of the coal-based waste and efficient and green support of the coal mine goaf are achieved, formation of a mode of coal development-conversion utilization-returning of the waste to underground artificial mudstone-goaf support waste-free development and utilization is assisted, and a new thought is provided for coal-based waste disposal and coal mine goaf filling; and a support is provided for a near-zero-carbon energy development and utilization technology system in the coal field.

Device for treating precipitated sludge sediment from wastewater treatment, in particular wastewater from paints and varnishes and / or coating materials and / or liquid special waste, comprising chamber filter presses with filter cloths through which the precipitated sludge sediment is to be treated, wherein at least one removable precoat layer of a filtration aid in a predetermined concentration is applied to each filter cloth.

The invention relates to the field of medical auxiliary instruments, in particular to an automatic debridement waste collecting and nursing device in operating room nursing, which comprises a collecting pipe, the collecting pipe is communicated with a collecting head, and a pressure cavity is embedded in the edge of the collecting head; the pressure cavity communicates with a transmission mechanism used for transmitting power, the transmission mechanism is connected with a high-pressure power source, and the transmission mechanism is provided with a power output end and a trigger end. The separating mechanism is used for carrying out solid-liquid separation on waste; the cleaning mechanism is used for conveying cleaning liquid to the collecting head; the power output end is in transmission connection with the collecting head, and the power output end is used for extruding the collecting head to achieve sealing when the pressure cavity is pressed. When the pressure cavity is pressed to a preset stroke, the trigger end triggers the high-pressure power source to release power so as to drive the separation mechanism and the cleaning mechanism to operate, and solid-liquid separation and collection and runner cleaning are achieved. The debridement device is used for achieving debridement integrated operation; operation interruption is reduced, and labor intensity of nursing staff is reduced.

The application belongs to the technical field of waste treatment in deep mine, and particularly relates to a solid-liquid mixture cleaning device in deep mine, which comprises a pushing mechanism, an extracting mechanism, a recycling mechanism and a supporting mechanism. The pushing mechanism is located at the top of the supporting mechanism, one end of the pushing mechanism is fixed to the top surface of the supporting mechanism, and the other end hoists the extracting mechanism. The extracting mechanism can move along the horizontal direction of the pushing mechanism under the driving of the pushing mechanism, the bottom of the extracting mechanism is provided with the recycling mechanism, and the recycling mechanism can move along the vertical direction of the extracting mechanism under the driving of the extracting mechanism. The recycling assembly of the recycling mechanism can surround the solid-liquid mixture, and the heating assembly can heat the ground to separate the frozen liquid waste from the ground. The freezing assembly of the supporting mechanism can freeze the liquid waste in the recycling assembly into solid state. The application can not only recycle solid waste, but also recycle the frozen liquid waste, and has high working efficiency and can adapt to more cleaning working conditions under different waste states.

The utility model provides a kind of gluing device for wafer processing, including table body and be equipped with gluing assembly in table body top, the upper end of the table body is rotatably installed with rotary adsorption disc, the outside symmetry of the rotary adsorption disc is equipped with two protective parts, the bottom surface of each The protective part is equipped with the circular hole compatible with table body. The utility model forms half-enclosing protective structure by the butt joint of symmetry arrangement protective part, when gluing operation, the centrifugal force caused by wafer rotation produces excess glue liquid, which will be blocked by the inner wall of protective part, avoid glue liquid splashes to table body, rotary adsorption disc periphery or external environment, both reduce glue liquid waste, avoid device component pollution;The fixation of protective part adopts the combined mode of "magnetic attraction preliminary fixation+fixed ring locking", without complex bolt disassembly or welding separation: twist fixed ring can release the locking of protective part, directly separate the two protective parts of magnetic attraction connection, protective part can be quickly removed from device to clean inner wall.

The invention discloses a radioactive waste treatment system and method. The radioactive waste treatment system comprises a feeding module, a reforming reaction module, an oxidation treatment module and a tail gas treatment module which are sequentially connected. The feeding module comprises a solid waste feeding unit and a liquid waste feeding unit; the reforming reaction module comprises a reforming reaction furnace, the reforming reaction furnace comprises an upper cooling area and a lower reaction area which are communicated with each other, the oxidation treatment module comprises a thermal oxidation furnace, and the thermal oxidation furnace comprises an upper oxidation chamber and a lower alkali wash quenching chamber which are communicated with each other; a gas outlet of the quenching chamber is connected with the tail gas treatment module. The treatment method based on the radioactive waste treatment system can meet the high efficiency and the high volume reduction ratio at the same time, and can meet the treatment requirements of various forms of radioactive waste.

The application relates to the technical field of cleaning equipment, in particular to a cleaning device for semiconductor part machining. The cleaning device comprises a groove support plate, a spraying mechanism, a first rotating shaft and a second rotating shaft, the groove support plate is provided with a bearing disc capable of mounting a bearing crystal boat and a rotating mounting disc, a crystal boat clamp is mounted on the rotating mounting disc, the spraying mechanism comprises a high-pressure spray head, a negative pressure suction nozzle and a boat wall spraying head, the high-pressure spray head and the negative pressure suction nozzle can reciprocatingly extend into a clamping groove of the crystal boat and are cleaned by a block during reciprocation, and the high-pressure spray head is matched with the position of the crystal boat to be intermittently opened and closed during rotation. The application can clean multiple workpieces simultaneously, realizes synchronous cleaning of the inside and outside of the crystal boat, eliminates dead angles, reduces cleaning liquid waste and equipment corrosion, and scrapes and cleans the block during reciprocation; the high-pressure spray head is intermittently opened and closed during rotation, only sprays the clamping groove, is suitable for crystal boats with different heights, avoids blockage of the spray head and residual waste liquid, and guarantees process precision.

The utility model relates to the technical field of soaking equipment, and discloses an automatic glass fiber paper soaking device which comprises a mounting frame and a liquid storage tank fixedly connected to the inner wall of the mounting frame, a soaking barrel is arranged on the upper wall of the liquid storage tank, a power main body is mounted on the upper wall of the mounting frame, and the output end of the power main body penetrates through the upper wall of the mounting frame. The output end of the power body is fixedly connected with a stirring rod, a circulating pump is installed at the bottom in a cavity of the liquid storage tank, the output end of the circulating pump is fixedly connected with a flow guide bent pipe, the end, away from the circulating pump, of the flow guide bent pipe communicates with an inner cavity of the soaking barrel, and a spray head body is installed at the end, away from the circulating pump, of the flow guide bent pipe and located in the inner cavity of the soaking barrel. The inner wall of the liquid storage box is slidably connected with a filtering assembly, the circulating pump is started, the soaking liquid subjected to preliminary filtering is pumped out and injected into the soaking barrel again through the flow guide bent pipe and the spray head body, the circulation process of the soaking liquid is completed, waste of the soaking liquid is effectively avoided, and green and efficient production is achieved.

The present invention describes methods for absorbing a targeted chemical compound from a gas stream into a scrubbing solution for various uses and with various benefits. Methods are described to produce a gas stream that can be further processed with operational benefits, such as through condensing and wastewater treatment with a lower load on the wastewater treatment system. Methods are described for adsorbing the targeted compound with reduced condensation of water from the gas stream. Methods are described for producing a liquid stream comprising an absorbed form of the targeted compound for use as a saleable product, such as adsorbing ammonia for the production of a fertilizer, wherein the concentration of the absorbed form may be increased through reduced condensation from the gas stream. Methods are described for producing a lower volume liquid waste stream from the absorption process through the use of reduced condensation of the gas stream.

The utility model discloses a poultry waste disposal device, which relates to the poultry breeding technology and comprises a disposal box, two groups of electric telescopic rods are symmetrically arranged at the top end in the disposal box, stirring components are arranged at the bottom ends of the electric telescopic rods, disinfectant fluid pipes are arranged on the periphery of the inner wall of the disposal box, and a plurality of groups of disinfection nozzles are arranged on one side of each disinfectant fluid pipe. A filter plate is arranged in the middle of the disposal box; a conveying assembly is arranged on one side of the disposal box and matched with the disposal box through a through hole, and a shielding assembly matched with the through hole is arranged on one side of the inner wall of the disposal box. Through the cooperation of the stirring assembly and the filter plate, dry and wet separation can be effectively carried out on poultry waste, the waste treatment efficiency can be improved, it can be ensured that solid waste and liquid waste are more effectively classified and managed, and therefore support is provided for further resource recovery and environmental protection measures.

This utility model discloses a liquid-gas separation device for a control system, including a lower separation tank and an upper separation tank. The lower separation tank is equipped with an inlet pipe, an outlet pipe, and a drain pipe communicating with its interior. The upper separation tank is equipped with an outlet pipe communicating with its interior. The upper separation tank contains multiple interception mechanisms for intercepting tiny liquid droplets. Each interception mechanism includes multiple mounting rods fixedly connected to the inner wall of the upper separation tank, and a perforated plate is mounted on each of the mounting rods. This utility model incorporates interception mechanisms, allowing some tiny liquid droplets in the gas to be intercepted by the perforated plate. The droplets on the perforated plate gradually accumulate and eventually return to the bottom of the tank, thereby improving the overall gas-liquid separation effect and reducing liquid waste.

This invention discloses a method for the comprehensive utilization of waste bleaching clay generated from the adsorption and refining of recycled base oil, belonging to the field of hazardous waste resource utilization technology. The method utilizes rotary pyrolysis, rotary calcination, and sulfuric acid acidification as core steps. First, the waste bleaching clay is fed into a rotary pyrolysis furnace for pyrolysis, and the liquid waste oil is recovered by condensation and separation, yielding black waste bleaching clay with an oil content of <0.5%. Then, the black waste bleaching clay is calcined in a rotary calcination kiln to completely remove carbon components, obtaining a pure bleaching clay matrix. Finally, the matrix is ​​mixed with a sulfuric acid solution for acidification and activation, and post-treatment yields activated bleaching clay. Through the synergistic effect of these three processes, 85-95% of the waste oil can be efficiently recovered and recycled for fuel, and the regenerated activated bleaching clay has a specific surface area of ​​180-220 m². 2 / g, decolorization rate of 90-98%, still maintains high adsorption performance after 3-5 cycles, no wastewater discharge throughout the process, stable equipment operation, and both environmental protection and economic benefits, making it suitable for large-scale industrial promotion.

The invention relates to a system and a method for recovering lead, tin and iron in water-quenched slag based on lead electrolysis of waste silicofluoride acid and secondary lead smelting. The system for recycling lead, tin and iron in the lead electrolysis waste silicofluoride acid and secondary lead smelting water quenching slag comprises a dissolving mechanism and a plurality of separating mechanisms arranged on the outer side of the dissolving mechanism, and the dissolving mechanism comprises a dissolving tank, a stirring assembly arranged in the dissolving tank and a temperature adjusting assembly arranged on the dissolving tank; and after the waste silicofluoride acid and the water-quenched slag are filled into the dissolving tank for reaction, the waste silicofluoride acid and the water-quenched slag are sequentially introduced into each separation mechanism for solid-liquid separation and precipitation reaction. The method for recycling lead, tin and iron in the water-quenched slag based on lead electrolysis of waste silicofluoride acid and secondary lead smelting comprises the following steps of a grinding procedure, a dissolving procedure, a separating procedure and a recycling procedure on the basis of the recycling system. The method solves the problems that solid and liquid waste in existing secondary lead smelting cannot be synergistically recycled, the recycling system and process are complex, the treatment difficulty is large, and the cost is high.

The utility model relates to the technical field of gear boxes, in particular to an oil baffle plate for a gear box, which comprises an oil baffle plate, a first oil collecting groove is arranged on one side of the bottom of the oil baffle plate, a second oil collecting groove is arranged on the other side of the bottom of the oil baffle plate, and radiating fins are mounted on the outer side of the oil baffle plate. A third oil collecting groove is formed in the upper end of the inner side of the oil baffle plate; reserved grooves are uniformly formed in the oil baffle plate, heat conduction rods are arranged in the reserved grooves, sleeves are arranged on the peripheries of the heat conduction rods in a sleeving manner, and the sleeves are arranged between the heat conduction rods and the reserved grooves; the novel oil baffle plate for the gear box is provided with a structure for collecting splashing oil liquid generated by rotation of a gear through the multiple sets of oil collecting grooves, the collecting area and range are large, the phenomenon of oil liquid waste can be prevented, and then the practicability can be effectively improved.