637results about How to "Avoid secondary pollution" patented technology

The invention relates to a gas nano purifier. The gas nano purifier comprises a mounting seat, the gas storage bin is installed on the installation base and used for storing clean gas, the side wall of the upper portion of the gas storage bin extends upwards to form an installation plate, and a gas path through hole is formed in the middle of the installation plate; the gas-water separator is mounted on the mounting plate and is used for carrying out primary purification on to-be-cleaned gas; the adsorption tower is mounted on the mounting plate and is used for carrying out secondary purification on the to-be-cleaned gas; gas to be cleaned sequentially flows through the gas-water separator and the adsorption tower and then enters the gas storage bin; the adsorption tower is communicated with the gas storage bin through an exhaust pipe; and the exhaust pipe penetrates through the gas path through hole. Through the arrangement, the installation operation is greatly simplified, and the integrity and the space utilization rate of equipment are improved.

The invention provides a dosing control method, system and equipment for a sewage treatment process and a medium, and the method comprises the following steps: obtaining multi-source heterogeneous data, and processing the multi-source heterogeneous data to construct a high-dimensional state vector; inputting the high-dimensional state vector into a drug demand dynamic prediction model to obtain a predicted concentration sequence; obtaining a target control instruction according to the current high-dimensional state vector and the predicted concentration sequence; the target control instruction is issued to a controller of the target dosing pump, and dosing control is carried out through the controller; the method solves the industrial problems of response lag, excessive or insufficient addition, incapability of coping with sudden change of water quality, high operation cost and the like existing in the traditional artificial experience control or simple PID (Proportion Integration Differentiation) control. According to the method, under the rigid constraint of absolutely ensuring that the effluent quality is stable and reaches the standard, the medicament consumption can be reduced to the greatest extent, the operation cost is reduced, the secondary pollution is avoided, and the automation and intelligence level of the operation of the whole sewage treatment system is improved.

The invention belongs to the field of wastewater treatment and industrial automatic control, and particularly relates to an intelligent dosing control method based on water quality online monitoring. The method comprises the following steps: capturing a water body spectrum fingerprint spectrum by using a full-spectrum scanning module to obtain a characteristic signal sequence; a chemical informatics molecular algorithm is introduced for preprocessing and feature enhancement, and molecular fingerprint information is recognized; a convolutional neural network model is constructed to decouple chemical oxygen demand, ammonia nitrogen, total phosphorus and water toxicity indexes from the spectral signals, and multi-parameter parallel inversion is achieved; and based on the inversion index and the spectral dynamic trend, the dosage is calculated through an intelligent decision-making algorithm, and accurate dosing of the medicament is driven. According to the invention, through fusion of full spectrum scanning and deep learning, high-precision anti-interference water quality perception is realized, potential risks can be identified and preventive intervention can be carried out, and the intelligent level and economical efficiency of dosing control are improved.

The invention discloses a pig farm sewage treatment system and method, and belongs to the technical field of farm sewage treatment, the pig farm sewage treatment system sequentially comprises a water collecting tank, a dosing mixing tank, a solid-liquid separator, an adjusting tank, a HiRAD anaerobic device, a reaction sedimentation tank, a water quality adjusting tank, an SBR biochemical tank, a C-MBR biochemical tank, a disinfection tank and a reuse water tank; by means of the system and the method, sewage discharged by the pig farm through the liquid manure technology can be effectively purified, organic carbon in the sewage can be converted into methane to the maximum extent, the methane becomes a high-quality biomass resource, waste is turned into wealth, emission of toxic gas is avoided, it is guaranteed that the pig farm is clean and sanitary, and the economic benefits of the pig farm are improved. Infection and spreading of diseases are avoided; meanwhile, a large number of nutrient sources, such as nitrogen and phosphorus, in the sewage are converted into organic fertilizer; the purified wastewater is deeply cleaned, so that the recycling standard is met, and the cyclic utilization of resources is realized.

The utility model relates to the technical field of 3D scanning, in particular to a 3D foot scanner which comprises a foot measuring table, a connecting rod is arranged on the rear end side of a foot measuring table body, a display screen is arranged at the top end of the connecting rod and used for controlling scanning starting and foot scanning parameter displaying, and scanning rods are arranged at the four corners of the top of the foot measuring table body. The scanning rod is used for foot treading scanning and data collection; the foot measuring table body is provided with a cleaning mechanism below the scanning rod, and the cleaning mechanism is used for removing foreign matters and dirt on the sole; the influence of foreign matters on the whole scanning is reduced, and the scanning data precision and the user health experience are remarkably improved.

This invention belongs to the technical field of industrial flue gas purification and solid waste resource utilization, specifically involving hydrogen fluoride adsorbents, their preparation methods and applications, and the application of waste adsorbents as fluoride electrode materials. The invention involves sequentially subjecting decayed oak wood to anaerobic fermentation and vacuum micro-aerobic pyrolysis to obtain a porous biochar carrier; loading a metal precursor onto the porous biochar carrier using an impregnation method to obtain a semi-finished product; and calcining the semi-finished product in a protective gas atmosphere to obtain the hydrogen fluoride adsorbent. The hydrogen fluoride adsorbent provided by this invention exhibits a high adsorption rate for HF, and the saturated waste adsorbent can be reused as a fluoride electrode material, demonstrating excellent cycle stability and rate performance. This invention provides a novel pathway for the functional transformation of biomass waste and the preparation of high-performance energy storage materials, while simultaneously reducing the cost of HF adsorbents, and has broad practical application value.

The application discloses a kind of cleaning machines for liquid bag, including transport mechanism, spray mechanism and water storage tank.Transmission belt and water receiving tank are provided to transport mechanism, and spray mechanism includes upper and lower spray assembly, water pump and corresponding switch valve.Water storage tank is located below water receiving tank, is connected by pipeline with first filter screen of inclined detachable, and second filter screen is arranged in the tank.The bottom of the tank has water outlet and drain outlet: water outlet is connected with water pump below first filter screen, and drain outlet is connected with outside above first filter screen.When working, upper and lower spray assembly bidirectionally washes liquid bag; first filter screen is washed by water flow from water receiving tank, and impurities are guided to accumulate side; second filter screen is washed by water flow from pipeline and inlet, and impurities are guided to drain outlet and discharged.The utility model realizes efficient separation and automatic discharge of impurities by double inclined filter screen design, cooperates with circulating water system, significantly improves water resource utilization rate while ensuring cleaning effect, and effectively prevents secondary pollution.

The application belongs to the technical field of comprehensive utilization of waste lithium-ion power battery, and discloses a deep eutectic lithium supplement and a method for repairing and regenerating positive electrode material of waste lithium-ion battery, wherein the deep eutectic lithium supplement is prepared by taking a solid-state reducing organic acid as a hydrogen bond donor and a solid-state lithium source as a hydrogen bond acceptor, mixing the hydrogen bond donor and the hydrogen bond acceptor, and reacting to obtain a deep eutectic melting state system; and the deep eutectic lithium supplement can be used for repairing and regenerating the positive electrode material of the waste lithium-ion battery. The application can prepare a liquid-state deep eutectic lithium supplement by using a solid-state reducing acid and a solid-state lithium source, is green and friendly, can realize self-limiting lithium supplement without strict control of the lithium supplement amount, has low energy consumption in the lithium supplement process, can greatly reduce the cost, and can be used for repairing and regenerating the positive electrode material of the waste lithium-ion battery.

This invention discloses a method for ultrapurifying electronic-grade hydrochloric acid using gas membrane filtration and multi-stage distillation. The method includes: preheating industrial-grade hydrochloric acid feedstock and feeding it into a desorption column; desorption at a temperature above the azeotropic point of hydrogen chloride and water to obtain crude hydrogen chloride gas; cooling the obtained crude hydrogen chloride gas to above its dew point and then feeding it into a gas membrane separation unit for filtration using a hydrophobic porous or dense membrane to remove entrained droplets, particulate matter, and non-volatile metal impurities, obtaining purified hydrogen chloride gas; pressurizing and liquefying the obtained purified hydrogen chloride gas and then feeding it into a multi-stage distillation column system for continuous distillation. The multi-stage distillation column system includes at least two distillation columns connected in series, further removing trace impurities with boiling points similar to hydrogen chloride through gas-liquid mass transfer to obtain ultrapure hydrogen chloride liquid; vaporizing the obtained ultrapure hydrogen chloride liquid and isothermally absorbing it with ultrapure water in an absorption column to obtain electronic-grade hydrochloric acid product. This invention significantly reduces the impurity load of the distillation system.

The utility model relates to a kind of roll bending machine plate material feeding scratch-proof surface treatment device, the utility model effectively solves that plate bottom is easily scratched, the granular matter on the surface of plate is easily formed dent when rolling, plate cannot be accurately aligned with roll bending machine entrance, is prone to the problem of indentation.The roll bending machine plate material feeding scratch-proof surface treatment device can simultaneously carry out physical cleaning to the upper and lower surfaces of plate by the upper and lower symmetrical active cleaning mechanism, effectively remove the metal scraps and dust and other impurities adsorbed on the surface, simultaneously cooperate with dust extraction mechanism can suction impurities cleaned in real time, significantly reduce the scratch or indentation risk caused by impurities pressed into by plate;Second electric push rod can coarsely adjust the height of flexible support module, flexible support module can fine tune itself, ensure that plate is smoothly fed, and flexible support module can disperse concentrated pressure into uniform surface support, prevent indentation caused by uneven support, more conducive to using when roll bending processing is carried out to plate.

This invention discloses a groundwater sampling device for geological protection, belonging to the field of water pollution detection technology. It includes a sampling sleeve, a lifting mechanism, and a support base plate fixedly installed on the inner wall of the sampling sleeve. This invention allows for efficient visual judgment of the turbidity of water generated during well washing. Inside the visual sleeve, there is a regulating valve plate that can be rotated by an adjusting rod. This valve plate can cooperate with a solenoid valve located outside the diversion manifold. When the regulating valve plate is in a closed state (closing the visual sleeve and closing the solenoid valve) and the regulating valve plate is in an open state, rapid well washing of the sampling well can be achieved. Compared to traditional sampling processes that require well washing before sampling, keeping the sampling well opening open, and repeatedly inserting equipment which can easily lead to contamination, this design effectively reduces the impact of fluctuations in water quality.

The utility model relates to the field of membrane raw material pretreatment, in particular to a raw material preprocessing device for separating membrane preparation, which comprises a barrel, a sliding groove is arranged on the outer wall of the top of the barrel, the bottom of the barrel is respectively connected with a drain pipe and an adding pipe, and an auxiliary component is arranged on the outer wall of the top of the barrel and positioned at the sliding groove. The outer wall of the top of the auxiliary assembly is connected with a drying assembly. The auxiliary assembly comprises two groups of electric push rods, mounting blocks mounted on the outer walls of the top ends of the electric push rods, fixing frames mounted on the outer walls of the sides, close to each other, of the mounting blocks, and a filter hopper arranged at the center of the fixing frames; the drying assembly comprises a top plate, a mounting groove formed in the center of the outer wall of the top of the top plate and a fixing hole formed in the center of the top plate. According to the utility model, the valve of the drain pipe is opened, and the fan continuously inputs to accelerate the airflow speed, so as to take away the moisture in the material, thereby facilitating the two-in-one of drying, cleaning and drying, avoiding the secondary pollution of the material, and ensuring the quality and efficiency of the material.

The application relates to a method for preparing RM / Ni(OH)2 nanometer material based on red mud and application, and aims to utilize solid waste red mud (RM), slowly hydrolyze Na2O and CaO in the RM, take metal oxides such as Fe2O3, Al2O3 and TiO2 as supporting materials, in-situ grow Ni(OH)2 nanometer sheets on the RM surface through a one-step hydrothermal method, and prepare RM / Ni(OH)2 nanometer adsorption material. The adsorbent RM / Ni(OH)2 has the characteristics of high adsorption capacity, low cost and simple manufacturing process, can effectively adsorb dye wastewater, realizes resource utilization of the RM, provides a new idea for water dye pollution treatment and RM resource utilization, combines the advantages of high specific surface area and rich surface functional groups of the red mud and Ni(OH)2, and makes up for the shortage of limited adsorption capacity of the two. The raw material source is rich, the RM is not subjected to traditional acid-base treatment in the use process, secondary pollution caused by acid-base waste liquid to the environment is reduced, and the true "waste treatment with waste" is realized.

This utility model relates to the field of photovoltaic power station cleaning technology, and in particular to a cleaning and maintenance vehicle for photovoltaic power station construction. It solves the problem that existing technologies generate a large amount of waste and dust during photovoltaic power station construction, as well as water stains, all of which require timely cleaning. However, manual cleaning is currently time-consuming and labor-intensive. The photovoltaic power station construction cleaning and maintenance vehicle includes a mobile frame, characterized in that a support plate is fixedly installed on the top of the mobile frame. This utility model, through the combined design of lateral and longitudinal cleaning components, utilizes the meshing transmission of a first bevel gear and a second bevel gear to achieve synchronous linkage between the lateral and longitudinal cleaning brushes. This allows for cross-cleaning of waste, dust, and water stains in the photovoltaic power station construction area from different directions, significantly improving cleaning coverage and cleaning effect, and solving the problem of incomplete cleaning in traditional single-direction methods.

This invention discloses a foreign matter collection device and method for overflow-type down-drawing substrate glass furnaces, belonging to the field of flat glass manufacturing technology. The device provided by this invention includes a fixed tube, a collection tube, and a rotary drive mechanism. The collection tube is hinged to the inner end of the fixed tube within the furnace and consists of two symmetrical U-shaped grooves connected by a central rotating hinge shaft. The rotary drive mechanism drives the collection tube to rotate, so that when the central rotating hinge shaft faces downwards, the two grooves automatically open under gravity to form a U-shaped receiving groove, and when facing upwards, they automatically close to form a sealed circular tube. Using this invention, the process of removing foreign matter from the furnace for cleaning can avoid secondary pollution or safety accidents caused by scattering. The entire switching process is completed online outside the furnace without interrupting production or opening the furnace, completely solving the problems of large production losses and severe disturbances to the furnace temperature and airflow fields caused by the need to stop production for cleaning in traditional devices.

The utility model provides a kind of new trend device with air purification function, including air inlet pipe and air outlet pipe, the air inlet pipe and air outlet pipe one end are connected by air guide pipe, air inlet pipe air inlet one end is fixedly connected with primary filter plate, air inlet pipe and air outlet pipe inside are respectively rotatably connected with multiple wind baffle, air guide baffle is rotatably connected in the air guide pipe inside, two sealing bosses are fixedly connected in the air guide pipe inside, air guide baffle both sides are attached to sealing boss, synchronous wheel group is fixedly connected above one side wind baffle and air guide baffle installed in the air inlet pipe or air outlet pipe;Air flow switching is realized by the linkage design of air guide baffle and wind baffle, when needing to clean primary filter plate, overturn motor drives air guide baffle rotation degree, simultaneously by synchronous wheel group and synchronous belt one drive wind baffle synchronous rotation, make air flow reverse through primary filter plate and realize automatic backflush cleaning, solve the problem that traditional filter screen is easy to block.

This invention discloses a cleaning device for the connector end face of an optical module, comprising a worktable, a stabilizing unit, and a cleaning unit. The worktable is used to place the workpiece. The stabilizing unit includes a vertically arranged linear mechanism, the output end of which is connected to an L-shaped plate. Side plates are fixed to both sides of the L-shaped plate, and a first semi-circular ring protective block is provided at one end of each side plate. A rotating plate is connected to the output end of a rotary motor, and a second semi-circular ring protective block is provided on one side of the rotating plate. When the rotating plate is rotated to a horizontal position and the inner arc surface of the second semi-circular ring protective block faces downwards, the optical fiber array of the workpiece is located between the first and second semi-circular ring protective blocks. A first pneumatic gripper is used to clamp and fix the connector. The cleaning unit includes a robotic arm module, the movable end of which is equipped with a second pneumatic gripper. A cleaning reagent bottle and a storage box are spaced apart on one side of the robotic arm module, and multiple cotton swabs are placed in the storage box. This invention can prevent damage to the optical fiber during the cleaning process and avoid secondary contamination.

This utility model discloses a hand-cranked activated carbon cleaning device, including a cleaning hood mounted between fixed supports via a horizontal shaft. Both ends of the cleaning hood are sealed with support panels. A mesh is evenly distributed on the outer cover between the support panels, and a feed inlet is also provided on the outer cover. Both ends of the horizontal shaft extend out from the support panels, with the extended portions resting on the fixed supports. One end is connected to a hand crank handle. The horizontal shaft is also fixedly connected to the support panels. A water pipe support is provided beside the fixed supports, with the water pipe horizontally mounted on the support and positioned above the cleaning hood. Multiple nozzles are arranged on the water pipe. This utility model device has a simple structure and low cost, suitable for activated carbon cleaning needs in environments without electricity or in small-scale scenarios, as well as for cleaning small-scale (1-20 kg) activated carbon in laboratories.

The utility model relates to water tank technical field discloses a combined stainless steel water tank, including the combined water tank that is provided with the water inlet end and the water outlet end, the water outlet end of combined water tank is installed with the water outlet pipe, the one end of water outlet pipe is away from combined water tank and is welded with the cleaning storehouse, the front and back of cleaning storehouse all are provided with the communicating hole, the one end surface of cleaning storehouse is away from water outlet pipe and is welded with the filter connecting pipe in the position of facing the communicating hole, the one end of filter connecting pipe is away from water outlet pipe and is detachably installed with the filter assembly. The combined stainless steel water tank, through the lifting of silica gel brush hair can clean the stainless steel filter screen filter end, need not to disassemble the filter device to clean the stainless steel filter screen conveniently and quickly, greatly simplifies the maintenance process, reduces the labor intensity and operation risk, the impurity cleaned out is directly discharged from the blowoff pipe through the water flow, will not backflow to the inside of combined water tank, prevents the secondary pollution of the water in the inside of combined water tank when cleaning the stainless steel filter screen.

This utility model discloses a die-cutting device for conductive shielding SCF (Superficial Carbon Fiber) in mobile phones, relating to the technical field of die-cutting machine equipment. It includes a base, with drive wheel assemblies fixedly connected to both ends of the top of the base. A U-shaped support and a U-shaped worktable are fixedly connected to the top of the base. A first hydraulic rod is fixedly connected to the top of the U-shaped support. A high-frequency punching drive device is slidably connected between the inner walls of both ends of the U-shaped support. One end of the first hydraulic rod passes through the top of the U-shaped support and is fixedly connected to the top of the high-frequency punching drive device. The base provided by this utility model avoids material adhesion to the cutter head, which affects processing efficiency, while also preventing incomplete cutting due to uneven pressure. This solves the problems of material adhesion to the cutter head caused by electrostatic adsorption and uneven pressure, and incomplete cutting, that occur in traditional mobile phone SCF conductive shielding die-cutting devices.

This utility model belongs to the field of steel component technology, and in particular to a rapid removal device for passivation liquid on the surface of steel components. It includes a workbench, with a mounting frame fixedly connected to one side of the workbench surface. A mounting plate is fixedly connected to one side of the mounting frame surface. A motor is mounted on one end of the mounting plate, and a rotating shaft is connected to the output end of the motor. A drive roller is connected to one end of the rotating shaft. A driven rotating shaft is connected to one side inside the mounting frame, and a driven rotating roller is connected to one end of the driven rotating shaft. Through the cooperation of a hot water tank, water pipes, a conveyor belt, and nozzles, the hot water tank heats the water, and the heated water is sprayed onto the surface of the steel component through the nozzles to flush away the passivation liquid. This method is more efficient than manual removal and shortens working time. During the removal of the passivation liquid, the waste liquid mixed with water enters the interior of a recycling tank through a guide port and a drain port, preventing the waste liquid from dripping directly onto the ground and causing secondary pollution.

The utility model discloses a recycling various waste batteries recycling equipment system, its characterized in that, including conveying device, disassembling device, shredding device, drying device, air guide device, sorting device and flotation device, conveying device includes conveyer, and the battery box and battery cover of battery are set up to split out battery cover mechanism for conveying machine, and the collection mouth of disassembling device is poured into after electrolyte collection in battery box material, and disassembling device includes disassembling machine, and the below of disassembling machine sets up brine pool, and brine pool sets up meshing conveying mechanism and conveys material to shredding device, and shredding device includes shredder, and the below outlet of shredder sets up fire lye pool, and fire lye pool iron class heavy metal class plastic class material is conveyed to sorting device through meshing conveying mechanism, and the black powder class material of deposition is sent to dehydration equipment dehydration through pipeline screw conveying mechanism, and then, using pipeline screw conveying mechanism, the material is sent into drying device. The utility model can make all resources of waste batteries, and process safety, reliable.

The utility model discloses an ozone and plasma compound cleaning machine, including casing, door body I, door body II, gas flowmeter, pressure gauge, ozone cleaning cavity, UV lamp assembly, cleaning platform subassembly, vacuum cavity, vacuum pump and air inlet subassembly. The casing is installed with door body I and door body II, is communicated with the ozone cleaning cavity and vacuum cavity that sets up respectively in the casing inside. The ozone cleaning cavity is provided with UV lamp assembly and cleaning platform subassembly. Vacuum cavity is provided with anode plate assembly. In the working condition, the article to be cleaned is placed on the bottom surface of the cleaning platform or vacuum cavity, and the article to be cleaned is cleaned through UV lamp or ion body. The utility model will be through the integration of ozone generation module and plasma generation module, adopt integrated cavity design, and the cleaning efficiency is high, effectively shortens technological process, avoids secondary pollution caused by intermediate transfer.

The utility model discloses and quick removal and cleaning device of andy body surface slime, including the shell body with cavity, the bottom fixed connection of shell body has the support piece, the front end of shell body is equipped with the sealable sealing door, the conical flow guide cavity of guiding fluid directional flow is equipped in the bottom of cavity, the inside of flow guide cavity is provided with the linear drive source of independent work, the bottom of cavity is equipped with the through type sewage discharge hole and is located the guide terminal of conical flow guide cavity, and the power output of linear drive source is equipped with the bearing platform, and the upper surface of bearing platform forms with the organism positioning recess of andy body shape contour adaptation, and the inside wall of cavity is provided with the pressurized fluid injection assembly, the utility model discloses through the pressurized fluid injection assembly generation multidirectional water flow overall coverage andy body surface, and the reciprocating motion of wave shape silica gel scraper in the slime stripping unit of servo motor drive, and the both cooperation reaches physical and fluid double cleaning, improves the slime removal efficiency, and shortens the manual cleaning time.

The hydraulic engineering desilting device comprises a ship body, a mounting frame is fixedly mounted on the upper surface of the rear side of the ship body, and connecting rods are connected to the two sides of the mounting frame. By using the height adjusting mechanism, the reciprocating mechanism, the stirring mechanism and the mud pumping mechanism, the desilting efficiency and quality can be remarkably improved. Through cooperative work of the height adjusting mechanism and the reciprocating mechanism, the sludge scraping mechanism can be flexibly adjusted according to the actual sludge depth and go deep into the bottom of a sludge layer to work, meanwhile, the stirring mechanism scatters the sludge through gear transmission, the dredging range is expanded, the sludge removing process is accelerated, and therefore the dredging period is greatly shortened, and the dredging efficiency is improved. And the engineering cost is reduced. Besides, the stirring mechanism is matched with the sludge pumping mechanism, so that comprehensive and deep cleaning of the sludge is ensured, the common problem of incomplete dredging in a traditional dredging method is avoided, and the water body and the ecological environment are effectively protected from being affected by secondary pollution of residual sludge.

The utility model relates to denitration equipment for solving the problem of high ammonia escape in flue gas of a waste incineration plant, and aims to solve the technical problems that the mixing uniformity of ammonia gas and flue gas is poorer, the ammonia gas and the flue gas are non-uniformly mixed, local escape is increased and secondary pollution is caused because the ammonia gas is directly introduced to be mixed with the flue gas at present. The mixing mechanism comprises a denitration pipe fixedly connected between the upper end and the lower end of an inner cavity of the denitration tower and denitration particles used for flue gas denitration, the denitration pipe is provided with an ammonia gas pipe, the ammonia gas pipe is distributed in an S shape, a plurality of gas outlet holes are formed in the inner side of the ammonia gas pipe at equal intervals, the middle of the top end of the ammonia gas pipe is communicated with a gas inlet pipe, and the gas inlet pipe is communicated with a gas outlet pipe. According to the utility model, ammonia gas in the denitration pipe is uniformly distributed in the denitration pipe at equal intervals, and NOx in flue gas is fully contacted and mixed with the ammonia gas, so that the mixing uniformity of the ammonia gas and the flue gas is improved, and secondary pollution caused by local ammonia gas escape and rise due to non-uniform mixing of the ammonia gas and the flue gas is avoided.

The utility model provides an acid steaming cleaning device, and relates to the technical field of containers. The bottom of the cylinder body is arranged at the top of the heating chassis; the separation disc is arranged in the cylinder body, a first cavity used for containing a container to be cleaned is formed between the separation disc and the top of the cylinder body, a second cavity used for containing an acid solution is formed between the separation disc and the bottom of the cylinder body, and a plurality of through holes are distributed in the separation disc; the support frame group is arranged at the top of the separation disc and is used for supporting a to-be-cleaned container; the cover body is arranged at the top opening position of the cylinder body; according to the acid steaming cleaning device, acid steam is used for cleaning, the container can be prevented from being secondarily polluted by heavy metal flowing into an acid solution, the acid consumption is reduced, the acid solution on the container can drop back into the second cavity when cleaning is finished, and when the container is taken out, the container can be prevented from carrying the acid solution, and large loss of the acid solution is avoided.

The invention belongs to the technical field of semiconductors, and discloses a cleaning device for a semiconductor process chamber, the process chamber and a cleaning method, the cleaning device comprises a gas inlet pipeline, one end of the gas inlet pipeline is connected with an external gas source, and the other end of the gas inlet pipeline is connected with a surrounding pipeline in the process chamber; the surrounding pipeline is arranged around an inner cavity of the process chamber in the process chamber; the high-pressure spray head groups are arranged on the surrounding pipeline at intervals, and each high-pressure spray head group comprises a plurality of high-pressure spray heads; and the exhaust pipeline is connected with the vacuumizing equipment and is used for pumping out the particle impurities blown by the high-pressure gas in the process chamber. The cleaning operation can be automatically executed, and compared with traditional manual operation, the cleaning operation is more convenient and faster.

The application provides a bonding sheet cleaning device, which comprises a brush cleaning mechanism and a rotary cleaning mechanism. The brush cleaning mechanism is sequentially provided with a first brush, a first flexible scrubbing piece and a first flushing pipe along the moving direction of the bonding sheet. The first brush is used for preliminarily removing silicon powder particles attached to the surface to be cleaned. The first flexible scrubbing piece is used for further removing residual contaminants. The first flushing pipe is used for flushing the surface to be cleaned of the bonding sheet by spraying deionized water, so as to remove loose contaminants and prevent secondary deposition. The rotary cleaning mechanism comprises a rotary base, a second brush, a second flexible scrubbing piece and a second flushing pipe. The bonding sheet processed by the brush cleaning mechanism is transferred to the rotary base. The rotary base is used for driving the bonding sheet to rotate and enabling the surface to be cleaned of the bonding sheet to be in contact with the second brush and the second flexible scrubbing piece, so as to be cleaned again. The second flushing pipe synchronously sprays deionized water, so as to ensure that the silicon powder residues on the surface to be cleaned of the bonding sheet are completely removed.

The utility model discloses an integrated portable trachea cannula cleaning and disinfecting cup, which is characterized in that a foldable cup body is arranged, a filter sheet which can move up and down and is provided with filter holes is arranged in the foldable cup body, and a lifting rope is connected with the filter sheet, so that the filter sheet can be conveyed to the bottom of the foldable cup body; when the trachea titanium tube is lifted by the lifting rope after being disinfected, the trachea titanium tube can be lifted and cleaned at the same time, and a trachea cannula does not need to be clamped into a disposable sterile bowl to be cleaned by tweezers after being disinfected, so that the trachea titanium tube is not required to be cleaned by the tweezers after being disinfected. Secondary pollution caused by falling of the trachea cannula due to misoperation in the process that the trachea cannula is clamped to a disposable bowl through tweezers is avoided, a disposable sterile bowl does not need to be used, and the consumption cost of medical equipment is reduced. The disinfection and cleaning integrated structure is realized, and the disinfection and cleaning integrated device is light and portable, can be folded and is convenient to carry about.