106768 results about "Waste management" patented technology

A method for reacting one or more hydrocarbons by steam cracking including conducting one or more input streams containing the one or more hydrocarbons, obtaining one or more product streams, through one or more radiation zones of one or more cracker furnaces, in which the one or more radiation zones are heated by firing heating gas with combustion air, in which at least a portion of the combustion air is subjected to combustion air preheating in which steam is produced from feed water, and in which the feed water is subjected to feed water preheating in one or more convection zones of the one or more cracker furnaces. The combustion air preheating is carried out at least in part and / or at least temporarily using heat withdrawn from at least part of the feed water upstream of the feed water preheating.

Various embodiments of freeze dryers and drying processes are disclosed that can be used to dry materials with low water content (no more than 20 wt % water) and / or high sugar content (at least 20 wt % sugar). Such materials include candy, confections, and the like. In one embodiment, a drying process includes drying the materials without freezing them. In another embodiment, a drying process includes warming the materials before drying them. In another embodiment, a drying process includes drying two batches of materials with low water content sequentially without defrosting the interior of freeze dryer.

Methods of operating candle filter systems for removing solids from MEG recovered from drilling fluids include passing an MEG rich stream to a candle filter system comprising a plurality of candle filter units in parallel, determining a concentration of TDS in the MEG rich stream, determining whether to operate the candle filter system in a low TDS mode or a high TDS mode based on the concentration of TDS the MEG rich stream, filtering the MEG rich stream in the plurality of candle filter units to produce a filtrate and a filter cake, determining to conduct a cleaning cycle of the candle filter units based on a pressure differential, and conducting a cleaning cycle to remove the filter cake from the outer surfaces of the filter candles. The cleaning cycle is modified to improve removal of solids from the filter candles of the candle filter units.

The invention discloses a wafer cleaning and drying process, a wafer drying machine and a cleaning and drying structure assembly thereof, relates to the field of wafer cleaning equipment, and can solve the problem of poor regulation and control precision of an electromagnetic pump and a plurality of valves with different calibers through manual adjustment in the prior art. The wafer drying machine comprises a main body and a lifting mechanism connected to the main body. The cleaning and drying structure assembly comprises a drying groove body, a liquid inlet pipe, an IPA bubbling box, a first liquid discharging pipe and a controller. A groove cover is connected to a groove opening of the drying groove body; the first liquid discharge pipe is connected with an electromagnetic pump, a first valve and a flowmeter used for measuring the flow speed of liquid in the first liquid discharge pipe, and the electromagnetic pump and the flowmeter are both electrically connected to the controller so that the controller can control the flow of the electromagnetic pump according to signal feedback of the flow speed of the liquid in the first liquid discharge pipe by the flowmeter.

The invention relates to a gas storage assembly applied to a carbon dioxide energy storage system and the carbon dioxide energy storage system, and relates to the technical field of carbon dioxide energy storage. The gas storage assembly comprises a gas storage, a gas distribution pipe and a connecting pipe, the carbon dioxide energy storage system further comprises an energy storage assembly, an energy storage container and an energy release assembly which are connected in sequence. The gas distribution pipe is provided with a plurality of gas ports communicated with a gas storage space of the gas storage; the first end of the connecting pipe is connected with the gas distribution pipe, and the second end of the connecting pipe is communicated with at least one of the energy storage assembly and the energy release assembly directly or through a pipeline structure; the distance between the connecting position of the air distribution pipe and the connecting pipe and one end of the air distribution pipe is 40-60% of the length of the air distribution pipe. According to the gas storage assembly provided by the invention, the balance of the gas inlet flow or the gas outlet flow in different areas of the gas storage space of the gas storage can be improved, the engineering design and debugging difficulty of the gas storage assembly is reduced, and the operation cost is reduced.

The present invention relates to the technical field of waste gas treatment, and discloses a low carbonic acid tower for tertiary carbonic acid production, the low carbonic acid tower comprises a tower body, the inner wall of the tower body is provided with a plurality of groups of support frames, the support frames are internally provided with filler layers, the lower parts of the support frames are provided with distribution plates, and trickling ports are uniformly distributed at the bottom of a spray pipe, so that the tertiary carbonic acid production efficiency is improved, and the tertiary carbonic acid production efficiency is improved. According to the waste gas absorption tower, through the arrangement of the filter layer, dripped absorption liquid can better cover the interior of the tower body, so that waste gas and the absorption liquid can be better in countercurrent contact, when the absorption liquid flows through the arranged filler layer, the contact area of the absorption liquid and the waste gas can be increased, and an adsorption sieve in the filler layer can also adsorb some harmful substances in the waste gas; and the distribution plate is arranged below the spraying pipe, so that the absorption liquid can be secondarily distributed and is uniformly distributed in the tower body again, and the condition of non-uniform distribution of liquid drops is avoided.

The invention relates to the technical field of concrete wall materials, and discloses a recycled concrete wall material and a preparation method thereof, the recycled concrete wall material comprises the following components by weight: 300-500 parts of recycled coarse aggregate, 200-400 parts of recycled fine aggregate, 150-300 parts of cement, 30-80 parts of fly ash, 3-8 parts of a water reducer, 5-15 parts of reinforced fiber, and 20-30 parts of a modified composition. Comprising the following steps: S1, raw material pretreatment, S2, mixing and stirring, S3, molding and curing, and S4, quality detection. The building waste is efficiently utilized, exploitation of natural aggregate is reduced, energy consumption and carbon emission in the production process are reduced, the landfill amount of the building waste and land occupation are reduced, the material strength and durability are good, the waterproof performance is improved, and the crack resistance and seismic resistance of the wall are enhanced.

A dirt separator for separating dirt from an airflow in a vacuum cleaner includes a primary separation stage (20), a secondary separation stage (30) and a movable member (40). The primary separation stage has a first dirt collection chamber (22) for storing first dirt removed from the airflow by a first filter comprised in the primary separation stage. The secondary separation stage is downstream of the primary separation stage and has a second dirt collection chamber (32) for storing second dirt removed from the airflow by a second filter comprised in the second separation stage. The movable member is movable relative to the first and second filters to disengage the first dirt and the second dirt from the first and second filters. respectively.

Aspects disclosed herein generally relate to beverage systems. Particularly, beverage systems comprising a straw mechanism that is magnetically secured to a lid structure. The beverage systems in accordance with aspects herein have straw mechanisms that are selectively leak-proof.

A cleaning apparatus including a robot cleaner including a main body having a lower portion to which a mop is detachably mountable; and a station on which the robot cleaner is placeable, the station including a water storage container configured to store water, a washing chamber configured so that, while the robot cleaner is placed on the station and a mop is mounted to the lower portion of the main body, the mop is washable in the washing chamber, a steam generation device to generate steam using water from the water storage container, a pump configured to pump the water in the water storage container out of the water storage container, a first pipe to guide the water pumped out of the water storage container to the washing chamber, and a second pipe to guide the water pumped out of the water storage container to the steam generation device.

A hydrocarbon recovery system is integrated with a fluff transfer system. The hydrocarbon recovery system is configured for contacting a wet polymer fluff with a purge gas to provide a purged polymer fluff and an overhead stream, and separating a solids stream, a recovered hydrocarbon stream, and a recovered purge gas from the overhead stream. The polymer fluff transfer system is configured to receive the purged polymer fluff from the hydrocarbon recovery system and transport the purged polymer fluff in the fluff transfer system via circulation of a fluff transfer gas. The hydrocarbon recovery system and the fluff transfer system are integrated by utilizing at least a portion of the recovered purge gas from the hydrocarbon recovery system in the fluff transfer system as the fluff transfer gas and optionally utilizing fluff transfer gas from the fluff transfer system as the purge gas in the hydrocarbon recovery system.

The invention relates to a waste lithium iron phosphate battery recycling method, in particular to a graded recycling method for lithium, iron, phosphorus and graphite in a waste lithium iron phosphate battery, and belongs to the technical field of lithium ion batteries and resource recycling of the lithium ion batteries. According to the method, the mode that oxidizing roasting and selective leaching are combined is adopted, the leaching rate and selectivity of lithium are effectively improved, the leaching rate of the lithium element is close to 100% under the optimized condition, and limit recovery of the lithium element is achieved; meanwhile, aiming at the problem that iron and phosphorus in the leaching residues are difficult to utilize, a wet ball milling and secondary acid leaching method is combined, phosphorus and iron elements are separated from negative electrode graphite firstly, and graded recovery of iron, phosphorus and graphite is achieved. According to the method, the high recovery rate of lithium is realized, and meanwhile, high-added-value products such as ferric oxide and sodium phosphate are prepared by efficiently recovering ferric phosphate.

A system and method for airborne dispensing. In some embodiments, the system includes a hopper and a metering wheel. The metering wheel may be configured to extract pellets, one at a time, from the hopper.

Carbon usage is monitored and recorded from emissions of one or more sources associated with carbon consumers. Public and private metadata about sources are maintained. A block chain records carbon credit transactions representing savings in the carbon footprint.

A pet water dispenser comprises a shell and a water pump, wherein the shell comprises a water tank and a top cover, and the top cover covers the water tank. By implementing the technical solution, the pet water dispenser is simple in structure, low in cost and easy to produce and use, and can work together with other bowls to form a smart pet water dispenser; and the pet water dispenser can be easily cleaned by pulling a pump cartridge out of a pump housing.

A system for purifying and delivering surface water from rain or snow-melt to the local aquifer in order to increase the local groundwater level, is disclosed. The system includes activated charcoal for removal of contaminants including per- and polyfluoroalkyl substances, commonly referred to as PFAS, from surface water prior to delivering the water to the aquifer.

The present invention relates to the technical field of cable processing. Disclosed is a cable processing device. The cable processing device comprises a waste cable conveying module, a fixed base is provided in front of the waste cable conveying module, a support base is provided at the front end of the fixed base, and a cable sheath cutting module is provided above the fixed base. In the present invention, a waste cable sheath can be quickly stripped, the stripped cable sheath can be directly cut off after stripping, and the length specification of the cut sheath is kept consistent, thereby simplifying the processing procedure during waste cable recovery, saving the processing and operation time, and effectively improving the processing efficiency of waste cables.

The utility model provides an integrated air conditioner which comprises an outer shell, an indoor air containing area, an indoor air supply area, an air inlet and an air outlet. The fan volute is arranged in a mounting space defined by the shell, a containing space, an air inlet area and an air outlet area are formed in the fan volute, the containing space is used for containing an indoor fan, and the air inlet area communicates with the air outlet area through the containing space; air flow entering through the indoor air containing area and the air inlet area is guided to the air outlet area and the indoor air supply area by the fan volute; and the liquid storage container is used for storing liquid for humidification, the liquid storage container is arranged on the bottom side of the fan volute, and a liquid inlet of the liquid storage container communicates with the containing space, so that liquid injected from the indoor air supply area is guided into the liquid storage container by the fan volute. When water needs to be supplemented to the liquid storage container, no extra operation on the container needs to be carried out, water can be directly added into the shell from the indoor air supply area, and the liquid supplementing operation of the liquid storage container is greatly facilitated.

The invention discloses a supercritical carbon dioxide energy storage system and method based on porous liquid absorption and storage, and belongs to the technical field of energy storage industry. Comprising a low-pressure storage system for storing low-pressure carbon dioxide; the compression energy storage system is used for compressing the carbon dioxide energy storage working medium; the high-pressure storage system is used for obtaining and storing high-pressure supercritical carbon dioxide; the expansion energy release system is used for high-pressure supercritical expansion energy release and pushing a power generator to generate power; and the heat circulation system exchanges heat with and circulates heat with the compression energy storage system and the expansion energy release system. A porous liquid absorbent is adopted. Permanent gaps for containing carbon dioxide can be provided, the problem of a carbon dioxide low-pressure storage end can be solved, and the system investment cost is greatly reduced. High-density storage of the low-voltage end of carbon dioxide is achieved through a chemical absorption method, the supercritical carbon dioxide compression energy storage system stores excess electric quantity generated by the renewable energy system, expansion power generation is carried out in the power utilization peak, and the peak regulation capacity of a power grid is improved.

The present invention relates to the technical field of pet appliances, and in particular, to a water lifting device for a pet water dispenser and a pet water dispenser. The device includes a housing, a stirring assembly, and a driving assembly. The housing is provided with a lifting inner cavity with a lower side being a water inlet portion and an upper side being a water outlet portion, and the housing is further provided with a water inlet and a water outlet. The stirring assembly is arranged in the lifting inner cavity and guides a liquid in the water inlet portion to flow to the water outlet portion, and the driving assembly drives the stirring assembly to rotate in the lifting inner cavity. The device integrates and modularizes components and driving members used as water pumping power, to facilitate disassembly and cleaning.

A material removal system includes a collection conduit having a distal end that is positionable adjacent particulate material. A primary particle separator system connected to the collection conduit separates quantities of particulate material entrained in an air stream. A secondary particle separator system connected to an outlet of the primary particle separator system separates additional quantities of particulate material entrained in an air stream exiting the primary particle separator system. An air pump connected to an outlet of the secondary particle separator system creates an airflow through the collection conduit and the primary and secondary particle separator systems. A conveyor system operatively associated with material discharge ports of the primary and secondary particle separator systems collects separated particulate material from the material discharge ports of the primary and secondary particle separator systems and transports the separated particulate material to a material discharge end of the conveyor system.

Described are storage and dispensing systems and related methods, for the storage and selective dispensing germane a reagent gas from a vessel in which the reagent gas is held in sorptive relationship to a solid adsorbent medium at an interior of a storage vessel and wherein the methods and dispensing systems provide dispensing of the reagent gas from the storage vessel with a reduced level of atmospheric impurities contained in the dispensed reagent gas.

Disclosed herein a blanket apparatus and systems and methods pertaining to the same. The blanket includes a body portion formed of fabric, wherein the fabric is elastomer or elastomer-based and a first pocket within the body portion and surrounded by the fabric, wherein the first pocket is an enclosed area filled with an insulative material, and wherein the blanket is configured to be placed on at least a first thermal pad of a targeted temperature management (TTM) system, wherein the first pocket is configured to provide a weight on top of the first thermal pad. The insulative material may be an insulative gel, paste or granular material. In some instances, a length of the first pocket is substantially an entirety of a length of the blanket. Additionally, in some instances, a width of the first pocket is substantially an entirety of a width of the blanket.

The invention relates to the technical field of soil remediation, and discloses a remediation treatment method and system for simulating cadmium-contaminated soil and a storage medium. The method comprises the following steps: detecting and analyzing the adsorption performance of the remediation material according to soil cadmium content data to obtain remediation material performance data; based on the soil cadmium content data and the remediation material performance data, carrying out data processing on a pollutant migration rule to obtain pollutant migration characteristic data; carrying out data analysis on the repair material combination by utilizing the pollutant migration characteristic data to obtain material combination effect data; according to the material combination effect data, the repair process is dynamically detected, and repair effect data are obtained; and performing data evaluation on the remediation scheme by utilizing the remediation effect data to generate a cadmium-contaminated soil remediation scheme. According to the method, the performance of the repairing material, the pollutant migration rule and the repairing effect are accurately evaluated, and the scientificity and the reliability of the repairing scheme are improved.

The invention relates to the technical field of processing and utilization of microorganisms and mineral resources, in particular to a rare earth extracting agent and application thereof. The rare earth extracting agent provided by the invention comprises silicon-decomposing microorganisms, acid-producing microorganisms or fermentation products thereof which are screened from rare earth mines and rare earth wastes and have good symbiotic effect, high compatibility and high activity, so that the silicon-decomposing and acid-producing efficiency is further improved, and the rare earth element extracting efficiency is high. The rare earth leaching agent provided by the invention is simple and safe in component, and solves the problems of large chemical reagent dosage, high production cost, serious environmental pollution and the like in the rare earth waste chemical leaching process. The method is suitable for popularization.

The invention discloses an LNG storage tank BOG liquefaction recovery system and a control method thereof.The system comprises an LNG storage tank, an LNG buffer tank, an LNG pump and a refrigerating machine, the LNG pump is installed in the LNG buffer tank, when BOG in the LNG storage tank needs to be recovered, BOG conveyed by the LNG storage tank is cooled and liquefied through the refrigerating machine and then returns to the LNG storage tank, recovery of BOG gas in the LNG storage tank is achieved, and in the BOG recovery process, the BOG is recovered through the refrigerating machine. And when the supercooling degree of the LNG storage tank needs to be maintained, the LNG conveyed by the LNG storage tank is cooled through the refrigerating machine, the cooled LNG returns into the LNG storage tank, and after the cooled LNG is mixed with the LNG in the LNG storage tank, the temperature of the LNG in the LNG storage tank is reduced, so that the supercooling degree of the LNG storage tank is maintained. The whole system is simple in structure, BOG in the LNG storage tank can be liquefied and recycled, and the supercooling degree of the LNG storage tank can be maintained.

The invention relates to the technical field of waste gas treatment, in particular to automatic temperature control type waste gas adsorption equipment for preparing an emulsifier, the automatic temperature control type waste gas adsorption equipment comprises a filter box, a gas inlet and a gas outlet, a plurality of filter screen frames are arranged in the filter box, and the filter screen frames are filled with granular activated carbon; a feeding pipe and a discharging pipe are respectively arranged at the top and the bottom of the filter screen frame; a collecting tank is arranged at the bottom of the filter box; a material distributing mechanism is arranged at the top of the filtering box; by arranging the collecting tank, the material distributing mechanism and the material lifting assembly, dynamic flowing of activated carbon in the filter screen frame is achieved, and when activated carbon in a local area reaches a saturated state, the activated carbon is moved to the collecting tank through the material discharging pipe and then lifted to the top of the filter box through the material lifting assembly; by means of the mode, local saturation is avoided, the overall adsorption efficiency is improved, and the service life of the activated carbon is prolonged.

The invention discloses a goaf CO2 sealed storage warehouse construction and grouting filling fire preventing and extinguishing method, and belongs to the technical field of goaf filling. The goaf CO2 sealed storage depot comprises a CO2 storage depot unit, a solid waste filling column and inflation-grouting equipment, an inflation bag is arranged in the CO2 storage depot unit, the inflation bag is movably connected in the CO2 storage depot unit, the CO2 sealed storage depot is constructed in the goaf through the inflation bag, alkaline solid waste and mineralized slurry, and the storage depot is used for supporting a roof rock stratum and storing CO2. Large-scale recycling of the alkaline solid waste can be achieved through the sealed storage warehouse, the storage warehouse is used for supporting the goaf roof rock stratum and storing CO2, the roof rock stratum is prevented from collapsing and endangering mine production safety, CO2 emission is reduced, the greenhouse effect is improved, and cooperative treatment of goaf fire and CO2 storage is achieved.

The present disclosure provides a cleaning device. The cleaning device includes a cleaning device body, a drive mechanism, a filtering mechanism, a liquid inlet portion, a liquid outlet portion, and a mode switching member. The drive mechanism and the filtering mechanism are disposed on the cleaning device body. The liquid inlet portion includes at least a first water inlet. The first water inlet is provided on the cleaning device body. The liquid outlet portion includes at least a first water outlet. The first water outlet is provided on the cleaning device body. The first water inlet, the filtering mechanism, the drive mechanism, and the first water outlet sequentially communicate to form a first water path. The mode switching member is configured for the cleaning device to be switched between a position on a liquid surface and a position under the liquid surface.