1112 results about "Chemical solution" patented technology

Systems and techniques may include enhancing production of a natural resource from a reservoir in the earth.By pumping and circulating a material through a reservoir, where the material interacts with proppant or formation material in fracture zones, the interaction reduces permeability in an overproductive fracture zone and redirects flow to an underproductive fracture zone. Through this self-correcting feedback mechanism, flow redistributes more uniformly across multiple fracture zones over time, resulting in more even permeability distribution and improved reservoir performance. The systems and techniques enable passive treatment using chemical solutions that create self-correcting permeability changes, leading to more controlled and efficient resource recovery from subsurface reservoirs.

The utility model relates to the field of agricultural disease and pest control, in particular to an agricultural disease and pest control device which comprises a device base, a pesticide box and a driving box, the pesticide box is fixedly connected to the middle of the top of the device base, and the driving box is fixedly connected to the middle of the top of the pesticide box. The agricultural pest control device comprises a pesticide box, a driving box is arranged in the pesticide box, a motor is fixedly connected to the inner top of the driving box, a second rotating shaft is fixedly connected to the driving position of the motor, and second stirring blades are fixedly connected to the periphery of the lower portion of the second rotating shaft. Meanwhile, by installing a water pipe, a water pump and an atomization spray head, part of pesticide liquid is sprayed to the back faces of crop leaves through a bottom auxiliary atomization spray head, aphids and other pests are prevented from being attached to the back faces of the leaves, and the control effect is limited.

The invention provides welding equipment for photovoltaic support assembly, and belongs to the technical field of photovoltaic support welding, the welding equipment comprises a supporting frame and a processing table, the supporting frame is connected with a supporting seat, an electric sliding table is arranged on the inner side of the supporting seat, an air cylinder and a welding head are arranged on one side of the electric sliding table, and a pipeline assembly is arranged on the inner side of the supporting seat; the eliminating assembly is used for cleaning dirt on the inner wall of the pipeline assembly; the screening assembly is used for filtering the cooling water in the pipeline assembly; the cooling device has the beneficial effects that the extrusion block can extrude the pressure sensor by increasing the water pressure, so that a chemical solution is released into the spiral cooling pipe, adhesion of impurities to the inner wall of the spiral cooling pipe is reduced, the cooling effect on a welding head is guaranteed, heat damage to the welding head is relieved by timely heat dissipation and cooling, the service life is prolonged, and the production cost is reduced. Meanwhile, the filter cartridge is cleaned through the scraper, so that the blockage of the filter cartridge is reduced, and the filtering effect is improved.

The invention relates to a laser processing system and method for array micropores. The method comprises the following steps: selecting and preparing a chemical solution according to a to-be-processed material; determining the number of laser beams, the size of a galvanometer and machining parameters of each layer; a laser focus is positioned on the upper surface of the to-be-machined material, axial feeding machining is conducted on the first layer according to the determined machining parameters, the micropore morphology is obtained during machining, and machining of the next layer is conducted when set requirements are met; a laser focal plane is positioned to a machining plane after machining of the upper layer is finished, axial feeding machining is carried out on the current layer according to the determined machining parameters, machining of the next layer is carried out during machining when the micropore morphology meets the set requirement, and execution is repeated till the focal plane passes through the lower surface of the material to form a through hole; and the target material is moved to the next machining position, the laser beam is adjusted to the initial machining state, and repeated machining of the micropores is conducted. Through a variable-parameter layer-by-layer girdling technology, a focal plane is flush with the surface of a material to be processed, and light spot dispersion and energy density reduction caused by enlargement of laser light spots are avoided.

The invention discloses a photovoltaic TOPCon battery piece etching device, relates to the technical field of silicon piece etching, and aims to solve the technical problems that corrosives generated in the etching process easily pollute a chemical solution, so that the service life of the chemical solution is shortened, and the etching uniformity is reduced. The photovoltaic TOPCon battery piece etching device comprises a workbench, and an etching groove, a cleaning groove and a supporting frame are arranged at the top of the workbench; a movable frame is arranged on the supporting frame in a sliding mode, a movable unit is arranged in the movable frame, the movable end of the movable unit is connected with a lifting frame, an etching cover assembly and a silicon wafer frame assembly are arranged below the lifting frame, the silicon wafer frame assembly is movably arranged in the etching cover assembly, the etching cover assembly comprises a cover body frame, and a micropore filter screen is arranged at the bottom of the cover body frame. A plurality of baffles are movably arranged on the side wall of the cover body frame. The chemical solution in the etching tank can be kept pure, and the service life of the chemical solution is prolonged.

A heat exchanger has a first inlet in fluid communication with a tank that contains a first chemical solution of a known concentration, and a second inlet in fluid communication with a conduit. The conduit is in fluid communication with a process tool and conveys a second chemical solution from the process tool to the second inlet. The heat exchanger receives a quantity of the first chemical solution via the first inlet and a quantity of the second chemical solution via the second inlet, and adjusts a temperature of the received quantity of the first chemical solution to bring the temperature of the received quantity of the first chemical solution toward a temperature of the received quantity of the second chemical solution. The temperature-adjusted first chemical solution can be selectively provided to an analytic flow cell for verification and / or calibration of the flow cell.

An object of the present invention is to provide a chemical solution that, in the case of being used in a step of bringing a contact-target member and the chemical solution into contact with each other, is less likely to cause a predetermined defect in the contact-target member. A chemical solution according to the present invention includes an organic solvent and a metal-containing particle including a metal element selected from the group consisting of Fe, Ni, and Zn, wherein an I value determined by a method X is 0.010 to 10.000,method X: the chemical solution is applied onto a substrate to prepare a subject; a surface of the subject is analyzed by being scanned with laser using laser-ablation-inductively coupled plasma-mass spectrometry, to obtain charts for the metal elements in which an abscissa axis indicates laser scanning time and an ordinate axis indicates ion detection intensity; the ion detection intensity of the charts is accumulated for the scanning time to determine accumulated ion detection intensities of the metal elements; the accumulated ion detection intensities of the metal elements are added up to determine a total accumulated ion detection intensity; and the total accumulated ion detection intensity is divided by a laser scanning area to obtain an I value in units of counts / mm2.

The present invention provides a waste disposal apparatus for assisting in the disposal of waste from an aircraft and replenishment of sanitary chemical solutions to the aircraft during servicing of a variety of aircraft lavatories. The waste disposal apparatus features, among other parts, a waste receptacle, a face shield, multiple interface inserts, a waste hose port, a rinse / refill hose port, an electric wire port, a drain port, and, optionally, one or more add-on tanks. Further, the waste disposal apparatus can be used in conjunction with various types of stands which can be adapted to existing aircraft service vehicles. Through the use of the waste disposal apparatus, the ramp attendant, the aircraft ramp, the tarmac, customer baggage, and other property on the ramp are protected from contamination with human waste and chemical solutions used to deodorize and sanitize aircraft lavatories.

To provide a radiopharmaceutical production apparatus and the like capable of reducing the generation amount of radioactive waste.SOLUTION: A radiopharmaceutical production apparatus 51 comprises: a cassette 20 which has a reagent supply port, a radionuclide supply port, a drug solution outlet, a reaction unit, a purification column, and flow paths respectively connecting the reagent supply port and the reaction unit, the radionuclide supply port and the reaction unit, the reaction unit and the purification column, and the purification column and the drug solution outlet; and a cassette mounting unit to which the cassette 20 is attachable and detachable.SELECTED DRAWING: Figure 3

A floating type offshore photovoltaic platform disclosed by the present invention comprises a platform main body, a fresh water cleaning system and a chemical solution spraying system, a plurality of discretely arranged photovoltaic modules are laid on the upper surface of the platform main body, and a gap is formed between any two adjacent photovoltaic modules. The fresh water cleaning system comprises a seawater desalination device and a water spraying device which are communicated, the water spraying device is used for spraying high-pressure water flow to the photovoltaic module, the chemical solution spraying system comprises a liquid storage cavity, a liquid outlet pipe and a spray head, the liquid storage cavity is located below the photovoltaic module, and the first end of the liquid outlet pipe is communicated with the liquid storage cavity; the second end of the liquid outlet pipe penetrates through the gap and is connected with the spray head. The floating type offshore photovoltaic platform has the advantages of being low in cleaning cost and high in efficiency.

The present application relates to the technical field of contaminated soil cleaning, and particularly relates to a cleaning equipment for treating soil pollution, which comprises a base plate, a containing box is fixed on the top of the base plate, a metal mesh bag is fixed in communication at the bottom of the containing box, squeezing mechanisms are arranged around the metal mesh bag, the squeezing mechanism comprises a lead screw, an L-shaped rod one is in screw transmission on the outside of the lead screw, and a squeezing plate is fixed at one end of the L-shaped rod one. In the present application, the contaminated soil is contained by using the metal mesh bag, the two squeezing plates arranged relatively around the metal mesh bag can successively and staggeredly squeeze the soil, which is convenient for crushing the contaminated soil, makes the soil fully contact with the leaching agent for purification, and also facilitates fully crushing the soil to make it fall to the bottom of the chemical solution tank through the mesh holes of the metal mesh bag, the impurities such as plastics, stones and packaging bags which are not easy to be squeezed and crushed are left in the metal mesh bag, and the impurities in the contaminated soil are cleaned out.

The invention provides a temporary bonding adhesive and a preparation method and application thereof.The temporary bonding adhesive is prepared from organosilicone epoxy resin, a curing agent and an organic solvent, and the organosilicone epoxy resin is obtained after hydrogen-containing silicone oil and an alkenyl-terminated epoxy compound are subjected to an addition reaction and a hydrolytic condensation reaction; the organic silicon epoxy resin is selected as matrix resin, and is matched with the curing agent and the organic solvent, so that the obtained temporary bonding adhesive has high elastic modulus and excellent thermal stability, a wafer can be helped to pass through a multi-section complex manufacturing process, the temporary bonding adhesive can be separated from the wafer in a mechanical mode, and the yield of the wafer is improved. And the coating is very simple to use, has excellent chemical liquid corrosion resistance, and is very suitable for processing and manufacturing wafers.

The invention discloses a plastic part xenon lamp aging machine with a spraying system, and belongs to the technical field of material weather resistance testing equipment. The equipment comprises an aging chamber, a xenon lamp light source and a spraying system, and the spraying system realizes flexible switching spraying of pure water and a chemical solution through cooperative operation of a liquid supply unit (comprising double liquid storage tanks and a four-way switching valve), a nozzle unit (a multidirectional adjustable nozzle), a liquid recovery device (a collecting tank and a recovery pump) and a control unit. The control unit accurately controls the concentration and flow of the mixed solution by adjusting the opening degree of the flow valve, residual liquid is emptied through the four-way valve and the liquid drainage pipeline to avoid cross contamination, the spraying angle is dynamically adjusted through the multi-directional nozzle to ensure uniform coverage, and the recycling device recycles waste liquid in a classified mode to reduce resource consumption. The problems of single spraying mode, residual liquid pollution, uneven coverage and low waste liquid treatment efficiency of traditional equipment are solved, and the aging test accuracy, the environment simulation authenticity and the resource utilization rate are remarkably improved.

To provide a passenger conveyor liquid-medicine spray device that allows passengers to use the moving handrail with peace of mind.SOLUTION: A passenger conveyor liquid-medicine spray device comprises a liquid-medicine spray device body 21a provided in the section constituting the entrance in the moving direction of multiple steps 4 of a passenger conveyor 1 and spraying the liquid-medicine having at least one of antibacterial, germicidal and disinfectant properties from a first spray port 15a to a moving handrail 6, a first detection part 30a to detect the passenger boarding a passenger conveyor 1, a second detection part 31a installed closer to the passenger conveyor 1 side than the first detection part 30a and to detect the passenger boarding the passenger conveyor 1, a walking speed calculation part 43 to calculate the passenger walking speed based on the detected information by the first detection part 30a and by the second detection part 31a, and a liquid-medicine spray control part 46 to activate the liquid-medicine spray device body 21a based on the calculated walking speed by the walking speed calculation part 43 and to cause the device to spray the chemical solution.SELECTED DRAWING: Figure 2

Devices and associated methods for storing and dispensing a chemical solution or mixture are disclosed and described. In one embodiment, such a device can comprise a liquid container including a first chamber operable to retain a first liquid and a second chamber operable to retain a second liquid. In one embodiment, the spray device can comprise a first pump partially within the first chamber operable to aspirate and retain the first liquid, and a second pump partially within the second chamber operable to aspirate and retain the second liquid. In another embodiment, the spray device can comprise a plurality of mixing spaces fluidly coupled to the first pump and the second pump and operable to allow mixing of the first liquid and the second liquid. In another aspect, the spray device can comprise a nozzle fluidly coupled to the plurality of mixing spaces.

The utility model discloses a soil pollution detection device, which relates to the technical field of soil pollution detection, and comprises a base and a mounting box, a vessel for storing a chemical solution is arranged in the base, the mounting box is arranged at the top of the base, a soil crushing device is arranged in the mounting box, an electromagnetic seat is fixedly arranged in the base, and the vessel is fixedly arranged at the top of the electromagnetic seat. The soil crushing device comprises a rotating shaft and crushing rods, a crushing barrel is fixedly arranged in the mounting box, the rotating shaft is rotationally arranged in the crushing barrel, the multiple crushing rods are fixed to the outer side of the rotating shaft, a motor is arranged at the top of the mounting box, the output end of the motor is fixed to the rotating shaft, and a feeding port is formed in the top of the mounting box; according to the device, soil is crushed through the crushing rod, soil powder falls down through the screen holes and falls into the vessel, the stirrer is driven by magnetic force to rotate, a solution and the powder are stirred and mixed, and the soil and a chemical reagent are evenly and fully fused.

To provide a substrate for drug solution impregnation that enables fast absorption of drug solution while preventing breakage during production.SOLUTION: A substrate for drug solution impregnation is single-layer or multi-layer paper, comprising natural fibers and synthetic fibers as papermaking fibers. Relative to the total amount of the papermaking fibers, the synthetic fibers are contained by 20 wt.% or more and 80 wt.% or less. The substrate has a paper layer containing high-melting-point fibers and binder fibers as the synthetic fibers in a weight ratio of 20-70:80-30.SELECTED DRAWING: None

The invention relates to the technical field of chemical solution treatment, in particular to a device for reducing the viscosity of a slurry solution and a using method thereof.The device for reducing the viscosity of the slurry solution comprises a bottom bearing table, a closed stirring tank and a stirring detection set used for reducing the viscosity of the slurry solution. Slurry is stirred through the stirring assembly in the stirring detection group, a physical treatment mode is adopted, additional chemical substances do not need to be added, interference of additional components on slurry components is avoided, and the use and maintenance cost of chemical additives is reduced; the slurry in treatment is periodically detected through a detection assembly in the stirring detection group, the slurry reaching the expected viscosity is found in time, the overall production efficiency is improved while the production cost is reduced, dual detection is performed on the neutralized slurry through mutual cooperation of the detection assembly and the central control system, and the production efficiency is improved. And the viscosity of the discharged slurry is guaranteed.

The invention relates to the related technical field of biodegradation fermentation, and discloses an efficient and intelligent biodegradation fermentation device which comprises a fermentation tank, an upper tank cover is fixedly arranged at the upper end of the fermentation tank, a feeding pipe is fixedly arranged on one side of the upper tank cover, a lower tank cover is fixedly arranged at the lower end of the fermentation tank, and a discharging pipe is fixedly arranged on the lower side of the lower tank cover. A crushing assembly is arranged on the upper side in the fermentation tank, and a stirring assembly is arranged on the lower side in the fermentation tank; according to the stirring device, two pairs of elastic pieces can be stretched to generate elastic force through the resistance of a solution on the first stirring plate, so that the distance between two stirring rods and the first stirring plate is continuously changed under the action of the elastic force of the two pairs of elastic pieces, and the stirring effect is further improved; the fermentation liquid or the chemical solution or the air in the second stirring plate is sprayed into the lower part of the fermentation tank through a plurality of through holes, so that the materials are fully biodegraded and fermented, and bacterial pollution in the fermentation tank is avoided.

A machine for smashing thermosetting materials includes a high-pressure direct drive pump assembly, a mixing tank, a chemical solution tank, a hydraulic-control solenoid valve, a low-pressure auxiliary pump, a directional valve set and a controller. The controller, connected signally with the high-pressure direct drive pump assembly, the mixing tank, the chemical solution tank, the hydraulic-control solenoid valve, the low-pressure auxiliary pump and the directional valve set, is used to control opens and closes of the first directional valve, the second directional valve, the third directional valve and the hydraulic-control solenoid valve so as to supply the chemical solution in the chemical solution tank to the mixing tank.

A solution applicator assembly comprises an upper body defining an upper channel. The upper body further includes a primary inlet fluidly connected to the upper channel. A lower body defines a lower channel being fluidly connectable to the upper channel to define a central channel. The lower body further defines a primary outlet fluidly connected to the lower channel. A flow control insert is removeably receivable in the central channel for receiving a chemical solution from the upper channel and releasing the solution into the lower channel. The upper body and the lower body are removeably connectable to one another to selectively allow the flow control insert to be removed and positioned in the central channel.

The invention provides a photoelectric auxiliary chemical mechanical polishing device which comprises a polishing disc, a grinding pad, a polishing head and a chemical liquid spray head, the polishing disc is electrically connected with a cathode of a power supply, the polishing head is electrically connected with an anode of the power supply and is used for adsorbing a wafer, and a lamp tube is embedded in the top surface of the polishing disc. The grinding pad is arranged above the polishing disc, abrasive particles and vertically-through liquid passing holes are formed in the grinding pad, and the chemical liquid spray head is arranged above the grinding pad and used for spraying chemical liquid to the grinding pad. According to the photoelectric auxiliary chemical mechanical polishing device provided by the invention, the surface of silicon carbide is subjected to electrochemical reaction under the action of an electric field, so that the oxidation efficiency of the surface of a wafer is improved, and the silicon carbide is removed through mechanical polishing; under the action of the light field, the light with the energy higher than the absorption threshold value of the silicon carbide material is irradiated to the to-be-polished surface of the wafer, the to-be-polished surface of the wafer is oxidized through a series of chemical reactions to form an oxide layer, the polishing efficiency of the wafer is improved, and the polishing quality of the wafer is guaranteed.

The invention relates to the technical field of pollutant treatment and regeneration, in particular to a reaction tank sediment collection and centralized treatment system. The treatment system comprises a track, a carrier loader running along the track and a centralized treatment system located at one end of the track. A mud suction system is loaded on the carrier loader body, a mechanical arm is arranged on the carrier loader, and an adsorption head is installed at the tail end of the mechanical arm. The adsorption head comprises a sludge suction pipe, an adsorption opening is formed in the bottom of the sludge suction pipe, and a waterproof cover is arranged at the bottom of the sludge suction pipe and sleeves the sludge suction pipe. The sludge suction system comprises a positive pressure air source, a negative pressure air source, a separator and a temporary storage box, the negative pressure air source is connected with the separator, and the separator is communicated with the sludge suction pipe through a pipeline; the separator is connected with a temporary storage box; the positive pressure air source is communicated with the positive pressure cavity; and the centralized treatment system is used for collecting and treating sediments in the temporary storage box of the sludge suction system. According to the technical scheme, sediments at the bottom of the reaction tank can be cleaned in leisure time of production, and waste of chemical solutions can be reduced when the sediments are adsorbed.

The invention relates to the technical field of display, and provides a photomask, a metal mask plate and a preparation method, the photomask comprises a pattern definition area, the pattern definition area is used for defining a pixel opening area of the metal mask plate, the pattern definition area is a closed pattern formed by four concave arcs and fillets connected with the concave arcs, the pixel opening area is a rounded rectangle, the center of the graph definition area coincides with the center of the pixel opening area, and the area of the graph definition area is smaller than that of the pixel opening area. The pattern of the pattern definition area transferred on the metal mask can enable the liquid medicine to be more uniformly distributed on the whole surface, effectively reduce the formation of eddy current and dead zones, and avoid the retention of the liquid medicine in a local area, thereby reducing the problems of impurity accumulation and incomplete reaction, reducing inconsistent etching caused by non-uniform flow, and improving the etching quality. Therefore, the etching uniformity of the fillet and the etching uniformity of the straight edge of the pixel opening area of the metal mask plate are improved.

The utility model discloses a wafer carrier for chemical plating, and relates to the field of wafer equipment. The wafer carrier for chemical plating comprises a carrier main body which is provided with a plurality of supporting grooves capable of supporting wafers; the matching piece is arranged above the carrier main body and connected with the carrier main body, and the matching piece is configured to be connected through a transferring mechanism so as to flow in the plurality of plating tanks; and the coating structure covers the plurality of supporting grooves, and the coating structure is configured to be in direct contact with the wafer when the wafer is loaded to the carrier main body. The wafer carrier for chemical plating provided by the utility model can reduce the influence on the flowing mode of a chemical solution and improve the quality of chemical plating.

The utility model discloses a fly ash and slag salt leaching device which comprises a container, an annular plate is fixedly installed in the container, a filter plate is arranged in the container, the filter plate is annular and placed on the annular plate, a flow guide piece is arranged in the container, the flow guide piece is conical and located in the filter plate, a supporting piece is arranged at the lower end in the container, and the supporting piece is connected with the annular plate. According to the fly ash and slag salt leaching device, materials are put in from the center of the top of the flow guide piece, fall into the center of the top of the flow guide piece, are guided to the lower portion through the flow guide face of the top of the flow guide piece and are annularly distributed, and the materials are separated from the flow guide face of the top of the flow guide piece and are separated from the flow guide face of the top of the flow guide piece. The materials fall on different positions of the filter plate, and the chemical solution can be in more effective contact with the materials, so that salt and other impurities in fly ash and slag are more comprehensively removed. Therefore, the washing efficiency can be improved, and the washing time and energy consumption can be reduced.

Environmentally-clean wildfire inhibitor liquid biochemical solutions produced from an aqueous mixture of alkali metal salt derived from a non-polymerized saturated carboxylic acid such as butyric acid, and dissolved in water along with a dispersing and coalescing agent, realized as an ester of a non-polymerized saturated carboxylic acid, and dissolved in the water to provide a liquid fire inhibitor solution that can be sprayed on combustible surfaces to form thin alkali metal salt crystalline coatings on the combustible surfaces when and as water molecules in the liquid fire inhibitor evaporate to the environment during drying operations, to inhibit fire ignition, flame spread and smoke development.

To provide a chemical conversion solution, a method for manufacturing an electrolytic capacitor, and an electrolytic capacitor that can improve the characteristics of the electrolytic capacitor.SOLUTION: A chemical conversion solution is used to repair an aluminum oxide film formed on at least one of an anode foil and a cathode foil included in an electrolytic capacitor element, and contains at least one of phosphoric acid, phosphorous acid, and hypophosphorous acid, and a chelating agent that forms an aluminum complex that bonds with the aluminum oxide film.SELECTED DRAWING: Figure 5

The utility model provides equipment for wet cleaning and etching. The equipment comprises a liquid conveying pipeline, a box body, a heating device and a spraying device, one end of the liquid conveying pipeline is connected with a chemical solution supply device, the other end of the liquid conveying pipeline is connected with the box body, and the chemical solution supply device conveys a chemical solution into the box body through the liquid conveying pipeline; the heating device is used for heating the chemical solution in the box body; and the spraying device is connected with the box body and is used for spraying the heated chemical solution to the wafer. According to the utility model, the box body is arranged between the spraying device and the liquid conveying pipeline to store the chemical solution, and the heating device is utilized to heat the chemical solution in the box body, so that the chemical solution sprayed to the wafer by the spraying device reaches a set temperature value, the rate of chemical reaction is guaranteed, and the chemical reaction efficiency is improved. And the condition of non-uniform etching or incomplete cleaning is avoided.

A chemical agent according to one embodiment of the present invention contains a pH adjusting agent and at least one oxidant that is selected from the group consisting of metaperiodic acid, a metaperiodate salt, orthoperiodic acid, an orthoperiodate salt, permanganic acid, a permanganate salt and N-methylmorpholine N-oxide.