B01D5/0012

EFFECTIVE DISCHARGE OF EXHAUST FROM SUBMERGED COMBUSTION MELTERS AND METHODS
20190177200 · 2019-06-13 ·

Submerged combustion methods and systems including a melter equipped with an exhaust passage through the ceiling or the sidewall having an aggregate hydraulic diameter. Submerged combustion burners configured to create turbulent conditions in substantially all of the material being melted, and produce ejected portions of melted material. An exhaust structure including a liquid-cooled exhaust structure defining a liquid-cooled exhaust chamber having a cross-sectional area greater than that of the exhaust stack but less than the melter. The exhaust passage and liquid-cooled exhaust structure configured to maintain temperature and pressure of the exhaust, and exhaust velocity through the exhaust passage and the exhaust structure, at values sufficient to prevent the ejected material portions of melted material from being propelled out of the exhaust structure as solidified material, and maintain any molten materials contacting the first interior surface molten so that it flows down the first interior surface into the melter.

WATER VAPOR DISTILLATION APPARATUS, METHOD AND SYSTEM

A fluid vapor distillation apparatus. The apparatus includes a source fluid input, and an evaporator condenser apparatus. The evaporator condenser apparatus includes a substantially cylindrical housing and a plurality of tubes in the housing. The source fluid input is fluidly connected to the evaporator condenser and the evaporator condenser transforms source fluid into steam and transforms compressed steam into product fluid. Also included in the fluid vapor distillation apparatus is a heat exchanger fluidly connected to the source fluid input and a product fluid output. The heat exchanger includes an outer tube and at least one inner tube. Also included in the fluid vapor distillation apparatus is a regenerative blower fluidly connected to the evaporator condenser. The regenerative blower compresses steam, and the compressed steam flows to the evaporative condenser where compressed steam is transformed into product fluid. The fluid vapor distillation apparatus also includes a control system.

Effective discharge of exhaust from submerged combustion melters and methods
10246362 · 2019-04-02 · ·

Submerged combustion methods and systems including a melter equipped with an exhaust passage through the ceiling or the sidewall having an aggregate hydraulic diameter. Submerged combustion burners configured to create turbulent conditions in substantially all of the material being melted, and produce ejected portions of melted material. An exhaust structure including a liquid-cooled exhaust structure defining a liquid-cooled exhaust chamber having a cross-sectional area greater than that of the exhaust stack but less than the melter. The exhaust passage and liquid-cooled exhaust structure configured to maintain temperature and pressure of the exhaust, and exhaust velocity through the exhaust passage and the exhaust structure, at values sufficient to prevent the ejected material portions of melted material from being propelled out of the exhaust structure as solidified material, and maintain any molten materials contacting the first interior surface molten so that it flows down the first interior surface into the melter.

LIQUID CHEMICAL VAPOR RECOVERY DEVICE, WET STRIPPING DEVICE, PHOTORESIST STRIPPING PROCESS, AND METHOD FOR MANUFACTURING THIN FILM TRANSISTOR-LIQUID CRYSTAL DISPLAY USING THE SAME

Disclosed is a liquid chemical vapor recovery device, a wet stripping device, a photoresist stripping process and a method for manufacturing a thin film transistor-liquid crystal display using the same. The liquid chemical vapor recovery device comprises: an exhaust pipe for discharging a gas in a processing chamber for wet processing with a liquid chemical, the gas comprising a vapor of the liquid chemical; and a reflux pipe for refluxing the liquid chemical condensed in the exhaust pipe to a liquid chemical storage tank, the reflux pipe having an inlet connected to the exhaust pipe and an outlet connected to the liquid chemical storage tank, wherein, at least a part of the exhaust pipe positioned upstream of the inlet of the reflux pipe is formed as a pipe segment with a rugged inner surface.

Pyrolysis reactor systems
10208253 · 2019-02-19 · ·

A pyrolysis reactor system includes a reactor and a contactor mounted above the reactor. The reactor has a shell, an inlet and an outlet. A central shaft runs along its axis and supports agitation blades in a counter-helical arrangement, and an auger. Rotation of the auger in one direction feeds feedstock into the vessel, and in the opposite direction removes char at the end of a batch. The contactor includes four elements with a frusto-conical part supported on vertical support arms, and being connected to a disc by legs. The contactor elements allow short chains to pass through apertures while long chains condense on their surfaces or on the vessel wall surface. There is dynamic tuning of carbon number of gases flowing downstream by active temperature and pressure control at the contactor.

SEMICONDUCTOR CHILLING MULTILAYER COMBINED BUFFER SOLAR POWERED PHOTOVOLTAIC DISTILLER
20190022549 · 2019-01-24 ·

The present invention relates to a semiconductor chilling multilayer combined buffer solar powered photovoltaic distiller, comprises a machine frame, a first water tank for storing water to be distilled, a water pump, a heat collector, a steam pump, a condensation pipe, a second water tank for storing desalinated water, a PLC controller and a solar panel. The heat collector comprises an outer glass case and an inner glass case. The first water tank is connected to one end of the chamber of the inner glass case. The other end of the inner glass case is connected to the buffer tank. The steam pump is connected to the buffer tank. The steam pump, the condensation pipe fixedly mounted on the support plate and the water tank fixedly mounted on the base plate are connected in series. A semiconductor chilling plate and an electric heater are alternately disposed between the condensation pipe and the support plate. The structure is reasonable, having the advantages of simple, convenient to use, high energy utilization rate, does not rely on external power supply etc. can effectively solve the problem of traditional water resource treatment having big energy consumption, and the equipment and site being not movable.

PASSIVE HEAT AND MASS TRANSFER SYSTEM

A heat and mass transfer system configured to be a passive system using gravitational force to form a thin liquid film flow on an outer surface of a flow distribution head and downstream conduit member to subject the thin liquid film to heat transfer mediums. The at least partially spherical flow distribution head creates a uniform thin flow of liquid on the outer surface increasing the efficiency of the heat and mass transfer system. The heat and mass transfer system may include a heat transfer medium supply system in fluid communication with internal aspects of the downstream conduit such that a heat transfer medium flows within the downstream conduit while the liquid film flows on the outer surface of the downstream conduit. Rather than conventional sheet flow on inner surfaces of a conduit, the flow distribution head enables sheet flow to be formed on an outside surface of a component.

POLYPROPYLENE PRODUCTION USING A PROPYLENE STREAM COMPRISING PROPANE
20240287220 · 2024-08-29 · ·

Embodiments disclosed herein relate to the production of polypropylene. A propylene stream comprising propane is fed to a gas-phase polymerization zone. Propylene is reacted in the gas phase polymerization zone to produce a polymerization product. A recycle gas stream from the gas-phase polymerization zone is fed to a heat exchanger to remove heat of the polymerization reaction, forming a first cooled gas stream, which is recycled to the gas-phase polymerization zone, and a second cooled gas stream from the heat exchanger is fed to a first separation system, forming a propane rich stream and a second propylene stream. The first separation system is operated by a heat pump configured to compress the second propylene stream to form an at least partially condensed propylene stream. A liquid portion and optionally a vapor portion of the at least partially condensed propylene stream are fed to the gas-phase polymerization zone.

On-line measurement for emitted aerosol precursors from industrial sources
12055555 · 2024-08-06 · ·

An on-line measurement system for aerosol precursors emitted from industrial sources has three parts: online measurement part, pipeline cleaning part and automatic control part. The system includes: a particulate filter, high temperature intake pipe, two detergent tanks, an air pump, a cooling water pump, two detergent pumps, a condenser, an impinger, a cooling water meter, a salinity meter, a liquid flow meter, a gas flow meter, nitrogen cylinders, connecting pipes, control valves, computer control program etc. The aerosol precursor concentration Cg emitted from industrial sources is measured in the online measurement section. After every measurement, the pipeline is cleaned by the pipeline cleaning part to remove organic and inorganic residual. The automatic control part is controlled by the computer through a controlling program to control the working process of the system. The system has small area occupation, low investment cost, simple maintenance, convenient transformation and high applicability.

HEAT TREATMENT FURNACE DEVICE AND METHOD FOR PRODUCING CARBON FIBER BUNDLE

A heat treatment furnace device for heat-treating precursor fiber bundles of carbon fibers, having: a heat treatment chamber, in which continuously supplied precursor fiber bundles are treated with hot air, a hot air circulation path, through which hot air from the heat treatment chamber returns to the heat treatment chamber, and a condensation/separation device, into which the hot air flowing through the hot air circulation path is introduced and separated into a condensate and a gas; wherein the condensation/separation device has:

a condensation treatment chamber and a condensation unit, which is provided in the condensation treatment chamber and has condensation surfaces on which the condensate is formed and allowed to drip down.