31results about "Auxillary pretreatment" patented technology

In a process of drying and purifying a fluid (F) containing CO2 and water, the fluid is cooled against water (1), the cooling water warming up, condensed water (3,BD) is separated to obtain a partially dried fluid (Fd), the partially dried fluid is dried to obtain a dried fluid (Fdd), the dried fluid is heated against water which cools down to obtain water (5) and a dried fluid (Fddd) at a seventh temperature T7, water is cooled by heat exchange with a cooling source (F1) generating water (1) and the generated water is used to cool the fluid.

An improved multiport rotary valve assembly is disclosed for fluid control systems, particularly in direct lithium and mineral extraction applications. The assembly features a valve body comprising a housing ring, upper and lower closure discs, and a process disc, with advanced polymeric seals, including radial and lip seals, ensuring robust sealing engagement. A mechanically biased tensioning assembly, incorporating tension springs and load cells, maintains consistent sealing compression, mitigating issues of under-engagement and over-engagement caused by thermal and pressure variations. The valve assembly reduces leakage, cross-contamination, and seal degradation, enhancing extraction rates, operational efficiency, and seal longevity. Real-time monitoring and feedback mechanisms enable precise adjustments during startup, operation, and cooldown, minimizing manual intervention and downtime. This design addresses stringent purity requirements in direct lithium extraction while supporting high throughput and reliable performance under demanding conditions.

The present invention relates to a method for producing a deoxidized fluid stream, comprising a direct-contact cooler and one or more heat pumps. The present invention further relates to an apparatus for deoxidizing a fluid stream, comprising a direct-contact cooler and one or more heat pumps.

In a method for drying and purifying a fluid (F) containing CO2 and water, fluid is cooled against water (1), the cooling water heating up, condensed water (3, BD) is separated to obtain a partially dried fluid (Fd), partially dried fluid is dried to obtain a dried fluid (Fdd), dried fluid is heated up against water which cools to obtain water (5) and a dried fluid (Fddd) at a seventh temperature T7, water is cooled by heat exchange with a cold-energy source (F1) generating water (1), and generated water is used to cool the fluid.

This invention relates to the field of waste gas treatment technology, specifically to a system and method for the synergistic treatment of waste gas and wastewater based on nuclear photonic radiation. The system includes a reaction chamber, an inlet duct, an outlet duct, a nuclear photonic radiation generator, a high-voltage electrode assembly, and a vortex generator. By adjusting the rotation path length of the waste gas entering the treatment chamber using the vortex generator, precise control of the waste gas residence time is achieved. Combined with the synergistic effect of nuclear photonic radiation and a high-voltage electric field, this invention solves the problems of low waste gas treatment efficiency, uncontrollable residence time, and difficulty in adapting to the treatment needs of different waste gas components in existing technologies.

The present application relates to a kind of desulfurization and denitrification filter devices, belong to desulfurization and denitrification technical field.The filter tower is communicated with the air inlet in the bottom end of one side, the ceramic fiber filter tube is communicated with the top end of another side of the filter tower, the bottom end center of the filter tower is communicated with the ash outlet, and the discharge valve is installed in the inside of the ash outlet;Desulfurization component is arranged in the side of the air inlet, and the sulfur element in flue gas is removed;Separation component is arranged in the upper end of the desulfurization component, and the dust impurities in flue gas are separated;Denitration component is arranged in the outside top end of the separation component.The present application is twisted into high-speed rotating airflow by spiral guide vane, and coarse particle dust is quickly thrown to tower wall using centrifugal force, solves the pain point that existing equipment is low in removal efficiency to microfine dust, realizes the efficient removal of dust full particle size section.

A method for recovering tobacco alkaloids from an air stream from a tobacco processing facility includes generating a stream of air from the tobacco processing facility. The stream of air comprises the one or more tobacco alkaloids. The process includes humidifying the stream of air to generate a humidified air stream. The process further includes passing the humidified air stream across a first strong cation resin to sorb the one or more tobacco alkaloids and to generate a post-sorption air stream. The process further includes eluting the one or more tobacco alkaloids from the resin and collecting the eluted one or more tobacco alkaloids.

The present invention relates to a method for producing a deoxidized fluid flow, comprising one or more heat pumps configured to use water as a heat transfer material, wherein in the last of the one or more heat pumps that transfer thermal energy to regeneration step c), the heat transfer material HTM is compressed in a series of two or more compressors, and additional heat transfer material HTM is added after at least one of the two or more compressors in series.

The invention provides a plasma sterilization, disinfection and purification device for air in a livestock breeding house, and belongs to the technical field of air sterilization and purification. The plasma sterilization, disinfection and purification device for air in the livestock breeding house comprises a disinfection box, a shell and a disinfection and purification device, the disinfection and purification device comprises a driving mechanism, the driving mechanism comprises a driving motor and a rotating shaft, and the rotating shaft is rotationally arranged in the disinfection chamber; the sterilization assembly is arranged in the disinfection chamber and comprises a rotating drum mounted on a rotating shaft, a wave-shaped groove is formed in the rotating drum, and an electric wire used for generating plasma is arranged in the wave-shaped groove; by arranging the rotary drum and the wave-shaped grooves in the rotary drum and arranging the electric wires along the wave-shaped grooves, the length of the electric wires in unit volume is greatly prolonged, the density of plasma generation and the contact area with air are increased, and therefore the sterilization and disinfection effect is remarkably improved.

The purpose of the present invention is to optimally trap and collect fine particles included in exhaust gas. A dust collection system (10) comprises: a circulation path through which exhaust gas disc

The application relates to the technical field of metal processing, in particular to a metal processing dust monitoring and automatic dust removal equipment, which solves the problems that high-temperature dust generated in the metal processing process may harm the dust removal bag when the bag-type dust remover is used, and the dust removal mechanism in the existing bag-type dust remover has poor effect. The bag-type dust remover body is provided with a high-temperature dust cooling mechanism on the front end face, and the high-temperature dust cooling mechanism comprises a spring-shaped dust gas flow groove. Through the application, the heat of the high-temperature dust gas flow can be continuously absorbed before the high-temperature dust gas flow enters the inside of the bag-type dust remover, the temperature of the gas flow is gradually reduced to a safe range, meanwhile, the inertial peeling, shearing damage and fatigue shedding effect of the dust layer are strengthened through the pulse type high-efficiency dust removal, and the service life of the dust removal cloth bag is prolonged, and the dust peeling rate of the surface of the dust removal cloth bag is improved.

The application relates to the field of industrial waste gas treatment, and discloses a kind of ultrasonic atomization wet removal industrial flue gas NO x Process with SO2: S1, industrial flue gas cooling and dust removal; S2, using first washing liquid and second washing liquid to oxidize and wash NO respectively; S3, using ultrasonic atomization absorption liquid to oxidize NO of industrial flue gas x Absorption with SO2; S4, industrial flue gas demisting treatment; the first washing liquid of S2 step is 0.5-1.5wt% potassium persulfate aqueous solution, and the second washing liquid is composed of 1-2wt% ferrous sulfate, 0.5-1wt% EDTA and the rest water; the absorption liquid of S3 step is prepared from alkaline hydroxide, carbonate, interface modifier and water.The ultrasonic atomization wet process of the application has less solid precipitation amount of absorption liquid, high absorption rate of NO x and SO2, and will not corrode equipment in long-term use.

This utility model belongs to the technical field of tail gas recovery devices, specifically relating to a tail gas recovery device for a desulfurization regeneration tank. It includes a tail gas recovery tower, with an air inlet installed on the outer wall near the bottom on one side. The other end of the air inlet is connected to one end of a connecting pipe via a flange. A cooling jacket is fitted onto the outer wall of the connecting pipe. In use, the connecting pipe is connected to the tail gas discharge port of the desulfurization regeneration tank, and a water pump is started to discharge cooling water from the cooling water tank to the inlet. The cooling water then enters the cooling jacket through the inlet. Once inside the cooling jacket, the cooling water lowers the temperature of the heat-conducting coils. The tail gas from the desulfurization regeneration tank then flows along the spiral track formed by the annular sleeve and the filling column after entering the connecting pipe. This increases the flow time of the tail gas in the connecting pipe, allowing it to absorb a significant amount of heat through the interaction of the cooling jacket's heat-conducting coils.

The application relates to the technical field of respiratory particle separation devices, in particular to a respiratory smoke particle separation device based on a sound field and a control method thereof. The device is arranged on a mask body and comprises a sound wave separation chamber, a sound field generating device and an adjusting control module. The air inlet of the device is provided with a filter layer. The sound wave separation chamber is a hollow cavity. A first one-way valve is arranged on one side of the hollow cavity, and a second one-way valve is arranged on the other side. The hollow cavity is communicated with the air inlet of the mask body through the second one-way valve. The adjusting control module controls the sound field generating device to generate sound waves with a dynamically adjustable frequency, so that the fine particles in the smoke collide and agglomerate rapidly, form particles with a larger particle size, and part of the smoke particles are naturally settled at the bottom of the sound wave separation chamber or are more easily filtered under the action of gravity. The separation device can be self-adaptively adjusted according to the environment, has a higher filtering efficiency, effectively reduces the breathing resistance of the wearer, and improves the escape and survival ability of the wearer in a fire environment.

Described is a device for recovering carbon dioxide from a gaseous medium, comprising at least one preconditioning unit, at least one drying unit, and at least one CO2 unit. Also described are a process for recovering carbon dioxide from a gaseous medium as well as the use of the device and of the process.

The present application relates to a kind of submicron particle removal devices, including gas injection and mixing section, cooling section, condensation growth chamber and inertial impact separator connected in sequence;Gas injection and mixing section is equipped with air inlet and water vapor inlet, the air containing submicron particles from air inlet, water vapor inlet inputs water vapor, water vapor and air are mixed;Cooling section is equipped with heat exchange structure, condensation growth chamber is equipped with rectifier and guide vane;Inertial impact separator is equipped with exhaust passage and guide groove, the air after submicron particle removal is discharged through exhaust passage, and condensate is discharged through guide groove.Compared with prior art, the present application has the advantage of using supersaturation formation mode after mixing, which avoids the problem of traditional high-flow cooling device prone to condensation on the wall;Submicron particles grow rapidly after condensation growth chamber, which improves the efficiency of inertial impact separation.

The present invention relates to a method for generating a deoxidized fluid stream, including an improved heat pump for transferring energy from a heat source to a regeneration step. In a second aspect, the present invention relates to an apparatus for generating a deoxidized fluid stream, comprising an improved heat pump. In a third aspect, the present invention relates to the use of an improved heat pump for transferring thermal energy from a heat source to a regeneration step in a process for deoxidizing a fluid stream.

This invention belongs to the field of flue gas adsorption technology and discloses a rotary low-temperature adsorption and regeneration device with flue gas cooling function. It includes an outer shell, an inner shell, a flue gas cooling module, and an adsorbent bed. The inner shell is located inside the outer shell and is radially spaced from it. The space between the outer and inner shells is divided into at least an adsorption zone and a regeneration zone circumferentially. The flue gas cooling module is located in the flue gas cooling chamber and is used to cool the flue gas entering from the inlet to a sub-zero temperature. The outlet is used to discharge the low-temperature flue gas into the adsorption zone. The adsorbent bed is located between the outer and inner shells and is rotatable circumferentially to sequentially enter the adsorption zone and the regeneration zone. The rotary flue gas adsorption and regeneration device provided by this invention integrates flue gas cooling, flue gas adsorption, and adsorbent regeneration, reducing the number of system devices for low-temperature flue gas adsorption and adsorbent regeneration, as well as the overall system footprint.

This invention discloses a method for removing solid impurities from acidic gas, relating to the field of acidic gas impurity removal. Through a synergistic process of low-temperature plasma pretreatment, multi-stage gradient washing with a composite chelating agent, graded gas-liquid separation, and deep purification via membrane filtration, a stepwise and efficient removal of solid impurities is achieved. Low-temperature plasma pretreatment disrupts the adsorption membrane on the surface of solid impurities and weakens the binding force between ammonia and impurities, laying the foundation for subsequent separation. The composite chelating agent, through graded addition and dynamic replenishment, precisely captures solid impurities and ammonia at different temperature ranges. The graded cross-flow filtration of ceramic microfiltration membranes and organic ultrafiltration membranes deeply removes solid particles, effectively preventing scaling and blockage in downstream pipelines, ensuring continuous operation of the acidic gas treatment unit, and solving a key technical bottleneck restricting the stable operation of the acidic gas recovery process from refinery wastewater.

This invention discloses a particle collision-based oil fume purification device, comprising a housing; at least one pair of oil fume channels are formed within the housing, with the flow directions of the oil fumes in the two channels of each pair being different, and the housing having a convergence region where the two oil fume channels of each pair are at least partially connected; and a cold ion emission module for emitting low-temperature fluid is provided in the convergence region, the emission direction of the cold ion emission module being at least partially opposite to the flow direction of the oil fumes. This invention can effectively reduce the adhesion of oil stains and has the advantages of good purification effect and low cleaning difficulty.

This invention belongs to the technical field of dust suppression equipment, and specifically relates to a dry fog dust suppression device for a bulk material stacking and loading integrated machine. It includes a water tank, with a dry fog box controller, an air storage tank, an air compressor, a water treatment mechanism, and a dust purification mechanism fixedly connected to the upper surface of the water tank. The outer wall of the air storage tank has two through holes, and the walls of the two through holes are respectively fixedly connected to a pressure sensor and a normally closed solenoid valve. The output end of the normally closed solenoid valve is fixedly connected to a three-way pipe. This invention enables the device to not only provide continuous and efficient dust suppression for bulk material stacking and loading integrated machines, but also to absorb and filter escaped small particulate bulk materials, avoiding the waste and environmental pollution caused by the dispersion of bulk materials. It improves the reliability of the dry fog dust suppression device and enhances its adaptability to the characteristics of bulk materials, maintaining a highly efficient and stable dust suppression effect even when dealing with bulk materials that are easily deteriorated by water.

This invention discloses a medium-temperature, low-dust denitrification device and process for flue gas in the cement industry, relating to the technical field of denitrification devices. The invention includes a preheater, with a connecting pipe fixedly connected to its top. A protective shell is fixedly connected to the end of the connecting pipe away from the preheater. A placement plate is fixedly connected to the inner wall of the protective shell, and multiple denitrification filter bags are fixedly inserted through the inner wall of the placement plate. A shaking device, including a motor, is provided on the top of the placement plate. This invention, through the cooperation of the denitrification filter bags, motor, threaded rod, threaded long block, shaking plate, connecting rod, fixed plate, semi-arc block, long arc block plate, and short arc block plate, causes the denitrification filter bags to exhibit a wavy shaking state as the shaking plate moves left and right and up and down. This wavy shaking state of the denitrification filter bags reduces the problem of filter bag clogging caused by prolonged use.

The application relates to the field of printing waste gas treatment and resource recovery, and particularly discloses a printing waste gas purification treatment system, which comprises an ultrasonic strengthening collection module, a double-stage pretreatment module and the like. The application has the beneficial effect of providing a printing waste gas purification treatment system for printing waste gas treatment and resource recovery. Through real-time monitoring of waste gas concentration, components and particulate matter data, the self-adaptive control system can quickly identify the characteristics of waste gas, and dynamically adjust key operating parameters such as ultrasonic intensity, discharge parameters and condensation temperature. The response time is less than or equal to 0.8 seconds. This intelligent operation mode ensures that the system always operates under optimal conditions, greatly reduces energy consumption, improves the stability of the treatment effect and the anti-impact load capacity, and ultimately achieves comprehensive benefits of economic operation and intelligent management while realizing ultra-low emission, and promotes a fundamental change from fixed and passive waste gas treatment to intelligent and refined waste gas treatment.

The application relates to the field of chemical engineering process and environmental protection separation, and discloses a coupling process method for high-temperature oil-gas purification and waste heat recovery. First, condensed oil is injected into high-temperature oil-gas containing dust to preliminarily adjust the temperature to below 500 DEG C, and then dust removal additives are injected into the high-temperature oil-gas containing dust to remove dust and tar. Then, the high-temperature oil-gas containing dust is sent into a boiling bed, and in the boiling bed, mixed vaporization endothermic, passivation of gas-phase heavy metals and acidic substances are carried out to effectively prevent coking, and promote the physical agglomeration of fine dust to grow up. After the fluid is discharged from the boiling bed, the dust is separated and intercepted in sequence through a cyclone dust collector and an electrostatic dust collector, and the purified oil-gas enters a waste heat recovery system to carry out staged heat exchange and condensation, so as to output steam of different pressure grades and product oil of different distillation ranges, wherein part of the condensed oil is punched back to the front end to be recycled for temperature adjustment of the high-temperature oil-gas containing dust. The application effectively solves the problem of equipment coking, significantly improves the capture efficiency of fine dust, and realizes the recycling of system materials.

This invention discloses a method for utilizing the thermal energy of yellow phosphorus tail gas and purifying multiple pollutants. Specifically, the furnace gas discharged from the yellow phosphorus electric furnace is sequentially passed through a water washing tower, a fluidized bed gas boiler, a denitrification tower, a desulfurization and defluorination tower, and an electromagnetic purification system for purification. The purified yellow phosphorus tail gas is discharged from the outlet of the electromagnetic purification device. This invention comprehensively utilizes various energy sources in the yellow phosphorus production system, which can greatly reduce the cost of treating pollutants from yellow phosphorus tail gas and recover the combustion heat and fluorine resources of yellow phosphorus tail gas. The pollutants in the purified tail gas meet ultra-low emission standards.

A carbon dioxide recovery system that recovers carbon dioxide contained in exhaust gas discharged from a combustion device includes: a refrigerator including at least a compressor that compresses a first heat medium, a heat exchanger that cools the first heat medium compressed in the compressor, and an expander that expands the first heat medium cooled in the heat exchanger; a carbon dioxide extraction device that absorbs the carbon dioxide contained in the exhaust gas into an absorption liquid or adsorbs the above-described carbon dioxide into an adsorbent; a separator that separates carbon dioxide gas from the absorption liquid or adsorbent by the thermal energy of the first heat medium compressed in the compressor; and a liquefier that liquefies the carbon dioxide gas separated from the absorption liquid or adsorbent in the separator by the cooling energy of the first heat medium expanded in the expander.