76 results about "Structured packing" patented technology

A gas-liquid contactor includes at least one packing section, a liquid distribution system, one or more liquid collection devices, and a fan. The at least one packing section includes a plurality of packing supports. Each packing support is removably attached to at least one other packing support and includes a structure defining a bottom surface and a packing perimeter and a plurality of structured packings positioned on the bottom surface within the packing perimeter. The structure includes at least one first attachment and at least one second attachment. The liquid distribution system is configured to flow a carbon dioxide (CO2) capture solution through at least one packing section. The one or more liquid collection devices include a bottom basin positioned beneath the at least one packing section. The fan is operable to form a CO2 lean stream and flow the CO2 lean stream from the at least one packing section.

The system comprises a gradient catalytic reaction rectifying tower and a temperature control system, the rectifying tower is sequentially provided with a rectifying section, a reaction section and a stripping section from top to bottom, the reaction section is filled with an ion exchange resin solid catalyst, and the stripping section is filled with an ion exchange resin solid catalyst. The radiuses of the catalyst bag units are distributed in a gradient mode from small to large along the height of the tower, the catalyst bag units have the functions of catalytic reaction and mass transfer separation, the rectifying section and the stripping section are filled with structured packing or high-separation-capacity metal wire mesh packing, a gas-liquid separator is arranged at an outlet of the stripping section, and a temperature control system achieves segmented monitoring through a multi-point temperature sensor. The surface of the catalyst can be subjected to functional treatment to improve the decomposition resistance; the method comprises the following steps: feeding trichlorosilane generated by cold hydrogenation into the upper part of a reaction section from a feed port, carrying out disproportionation reaction at the gradient temperature of 20-100 DEG C and the pressure of 0.3-0.6 MPa according to the reflux ratio of (15-30): 1 to generate silane, and carrying out rectification and extraction separation to obtain high-purity silane with the purity of 99.999% or above.

Belonging to the technical field of fine chemical product separation and purification, the invention discloses a beta-bromophenylethane rectification purification process, which comprises the steps of system negative pressure pretreatment, falling film evaporation directional separation, structured packing layer gas-liquid mass transfer, precise reflux ratio regulation and control, segmented collection (front fraction-qualified product), and residual liquid treatment and system circulation. According to the process, the negative pressure of a system is stabilized at 800-1200 Pa, the material temperature of a falling film evaporation discharging end is controlled at 125-135 DEG C, the feeding flow is stabilized at 1.8-2.2 m / h, the reflux ratio is regulated and controlled at 0.8: 1-1.2: 1, and the process realizes efficient purification of beta-bromopheny ethane through precise negative pressure control, synergistic linkage of falling film evaporation and a rectifying tower, segmented material collection and a circular treatment mechanism, so that the process is suitable for industrial production of beta-bromopheny ethane. According to the method, the purity of beta-bromopheny ethane can stably reach 99.5% or above, the material recovery rate is increased to 92% or above, energy consumption is reduced by 15-20% compared with that of a traditional process, material thermal decomposition loss is avoided, and the method is suitable for industrial large-scale production.

The invention relates to a reactor, in particular for carrying out polycondensation or depolymerization reactions, comprising at least one inlet, at least one product outlet line, a liquid zone, an inner zone arranged above the liquid zone, and a gas zone comprising at least one gas outlet line, wherein the gas zone is arranged above the inner zone, and wherein the gas zone has a larger cross-sectional area than the inner zone, and wherein the gas zone comprises a demisting element connected to a scrubbing liquid inlet disposed in the gas zone and a scrubbing liquid outlet disposed in the gas zone, and wherein the inner region comprises one or more inner components selected from the group consisting of a structured packed bed, a random packed bed and a hybrid heat exchange element for increasing the surface to volume ratio within the inner region wherein the one or more inner components have a specific surface area of 10 to 1,000 m2 / m3.

The invention relates to an aluminum oxide foamed ceramic structured packing and a preparation method and application thereof, the preparation method comprises the following steps: mixing pseudo-boehmite, gibbsite, alpha-aluminum oxide, concentrated nitric acid and water to obtain ceramic slurry; organic foam is coated with the ceramic slurry, then the organic foam is put into a mold to be subjected to mold closing curing, and a corrugated plate sheet is obtained; a corrugated plate is soaked in the ceramic slurry, then drying and curing are conducted, and a pretreated corrugated plate is obtained; stacking a plurality of pretreated corrugated plates according to a specified sequence, then integrally dipping in ceramic slurry, and then drying and curing to obtain a primary filler body; and roasting the primary filler body to obtain the aluminum oxide foamed ceramic structured filler. Alpha-aluminum oxide in the aluminum oxide foamed ceramic structured packing provided by the invention is relatively high in purity, excellent in corrosion resistance and mechanical property and not easy to deform and crack, the wall thickness of a single piece is less than or equal to 1.5 mm, and the aluminum oxide foamed ceramic structured packing has a good mass transfer effect.

The utility model discloses a reticulate pattern type polytetrafluoroethylene corrugated structured packing which comprises a packing body, the packing body is cylindrical, a plurality of layers of gas-liquid channels are arranged on a barrel body of the packing body at intervals, each layer of gas-liquid channel comprises outer windows arranged on the barrel body at intervals in the radial direction of the packing body, and the outer windows on the adjacent layers are arranged in a staggered mode. Tongue pieces are arranged in the positions, where the gas-liquid channels are located, of the cylinder at intervals, one ends of the tongue pieces are connected with the cylinder between the outer windows, the other ends of the tongue pieces are connected with the inner ring body, an inner flow hole is formed in the middle of the inner ring body, and inner windows communicated with the inner flow hole and an inner cavity of the cylinder are formed in the positions, between the tongue pieces, of the inner ring body. And the outer surface and the inner surface of the cylinder body are respectively provided with reticulated micro-bulges which are mutually staggered. The Pall ring packing is compact in structure and convenient to manufacture, and the specific surface area of the Pall ring packing is increased by more than 20% compared with that of the existing Pall ring packing with the same specification, so that gas-liquid contact exchange is more sufficient, the mass transfer effect is higher, and the gas-liquid exchange treatment capacity is increased.

The utility model discloses a self-cleaning honeycomb structured packing phenol recovery and separation assembly, which belongs to the technical field of chemical separation, and is characterized by comprising a mounting seat, a controller is arranged on the front side of the top of the mounting seat, and a treatment tower is fixedly connected to the left side of the top of the mounting seat; a honeycomb structured packing main body is arranged in the treatment tower, a switching assembly is fixedly connected to the right side of the top of the mounting base, online cleaning of honeycomb structured packing can be achieved through the cleaning assembly, damage to the packing due to disassembly is avoided, and the service life of the packing is prolonged; according to the honeycomb structured packing cleaning device, the switching assembly can conveniently achieve selective introduction of the absorbent and the cleaning fluid, the cleaning fluid in the cleaning fluid storage box can be conveyed to the cleaning assembly only by operating the reversing valve, cleaning of the honeycomb structured packing is achieved, the medium requirements in different working states are met, and then the working efficiency is improved.

The application relates to the technical field of structured packings, and particularly discloses a high-efficiency packing device for CCUS (Carbon Capture, Utilization and Storage), which comprises a packing tower, primary packing and secondary packing arranged in the packing tower, an installation lining is arranged in the packing tower, a plurality of installation grooves are formed in the installation lining, the installation grooves are spirally arranged along the height direction of the packing tower, installation rods are arranged on the primary packing and the secondary packing, installation balls are arranged on the installation rods, the installation balls are matched with the installation grooves, when the primary packing and the secondary packing are installed, the installation balls are slid into the installation grooves, the primary packing or the secondary packing is pushed to drive the installation balls to slide along the installation grooves, the installation balls are slid into the bottoms of the installation grooves, and the installation of the primary packing or the secondary packing is completed; the high-efficiency packing device for CCUS has the effect of improving the convenience of installation of the primary packing and the secondary packing.

This invention relates to a structured packing for a liquid-liquid extraction tower and its preparation method. By setting type A packing and type B packing, and by specifically setting the specific combination of the packing, a high mass transfer specific surface area and a high mass transfer efficiency are achieved during extraction in the liquid-liquid extraction tower.

The utility model belongs to the technical field of hydrogen peroxide production equipment, and particularly provides a purification tower for purifying industrial-grade hydrogen peroxide, which comprises a tower body, the top of the tower body is provided with an exhaust port, one side of the upper part of the tower body is provided with a transverse feed port, and the bottom of the tower body is provided with a discharge port. A plurality of groups of distributors and structured packing are arranged in the tower body from top to bottom, a collector is arranged between every two adjacent groups, and the distributor in the uppermost group is communicated with the feed port; a transverse steam inlet is formed in one side of the lower part of the tower body, a steam outlet is formed in the other opposite side of the lower part of the tower body, and the steam inlet and the steam outlet are both positioned at the bottoms of the lowest group of distributor and structured packing. According to the hydrogen peroxide purification device disclosed by the utility model, through the multi-stage distribution of the plurality of groups of distributors and structured packing and the arrangement of steam heating, organic matters in hydrogen peroxide can be separated quickly, the content of total organic carbon (TOC) is reduced, and the purification efficiency and effect are improved.

The utility model discloses a treatment system for phenolic waste gas, and relates to the technical field of waste gas treatment systems. The device comprises a structured packing tower, an alkali liquor tank, a sewage treatment unit, a chimney and a connecting pipeline, the structured packing tower is connected with a waste gas connector through a pipeline; the structured packing tower is connected with the chimney after being connected with two groups of fans in parallel through pipelines; a liquid outlet in the bottom of the structured packing tower is communicated with an alkali liquor tank through a pipeline; the side part of the alkali liquor tank is connected with two groups of circulating pumps in parallel through pipelines and then is connected with a sprayer on the upper side in the structured packing tower. According to the utility model, the circulation volume is lower, and the contact area is larger, so that the power and the energy consumption of the required pump are lower, the provided contact area is larger, and a higher removal rate is obtained; open fire is not needed in the system, so that the system is safer and more reliable; two groups of fans, circulating pumps and liquid discharge pumps are used in the system, one group is used, and the other group is standby, so that overhaul and maintenance are facilitated.

The invention relates to the technical field of carbon dioxide capture, in particular to a carbon capture structured filler design and optimization method based on fluid topological optimization, which comprises the following steps: constructing a carbon capture reaction design domain geometric unit, taking a filler basic unit as a core, and setting a fluid inlet and outlet extension section, distinguishing a fluid domain, a solid domain and a transition state between the fluid domain and the solid domain through a continuous material density field, and defining boundary conditions such as a gravitational field matched with an actual absorption tower and adiabatic slippage-free boundary conditions; establishing a polynomial modified topological optimization multi-physics field coupling equation set, introducing a polynomial improved Darcy interpolation function to optimize fluid-solid interface characteristics, and meanwhile, improving numerical stability by combining a filtering method and a projection method; on the basis of the modeling solving platform, a global convergence moving asymptote method is adopted for iterative solving, and a carbon capture filler structure with a fine and complex flow channel is generated; the problems that traditional filler design depends on experience, the design freedom degree is low, and the optimization efficiency is limited can be solved.

The present application relates to a kind of structured packing, mass transfer separation unit, separation method and separation equipment.Structured packing includes a plurality of adjacent wire mesh layers;The wire mesh layer has corrugated structure;The wire mesh layer is obtained by hexagonal weaving of metal wire.Mass transfer separation unit includes liquid distributor, support and structured packing;The liquid distributor is located above the structured packing, and the support is located below the structured packing.The present application utilizes the structural characteristics of hexagonal weaving wire mesh, enhances the wetting effect of liquid on the surface of structured packing, can realize higher separation efficiency under small liquid system, meets separation requirement, while not sacrificing pressure drop, also does not increase additional investment cost.

The utility model relates to an emptying tower for a delayed coking device in the technical field of delayed coking devices, which comprises a tower body, a feed port positioned on the side part of the lower section of the tower body, and a reflux inlet positioned on the side part of the upper section of the tower body, and a grating distributor is arranged in the inner cavity of the tower body corresponding to the position between the feed port and the reflux inlet; the grid distributor comprises a plurality of corrugated plates which are connected in sequence, and a plurality of channels which are inclined up and down are formed between every two adjacent corrugated plates; according to the utility model, the grid distributor is formed by the plurality of corrugated plates which are connected in sequence and are provided with the upper and lower inclined channels, so that the gas-liquid contact area is increased, and compared with regular packing in other forms, the grid distributor effectively prevents deposition and blockage of solid particles, and improves the overall operation efficiency.

The invention discloses a catalytic distillation structured packing, a catalytic distillation tower filled with the structured packing and application, the catalytic distillation structured packing comprises a plurality of catalytic zones and separation zones which are alternately arranged, and a silk screen catalyst bag is independently arranged in each catalytic zone; the wire mesh catalyst bag comprises a plurality of columnar catalyst bags which are arranged at intervals in the axial direction. Each separation area independently comprises one or more corrugated packing assemblies, each corrugated packing assembly independently comprises two corrugated packing sheets, and each separation area independently comprises 1-8 corrugated packing assemblies. The catalytic rectification filler has the advantages of high specific surface area, low pressure drop, high adaptability, easiness in amplification and the like, and is beneficial to improving the conversion rate and the separation effect in the butene hydroisomerization rectification process.

This invention belongs to the field of petrochemical technology and relates to a method for processing various liquefied petroleum gases (LPGs) in a product refining unit. The method includes: LPG feedstocks from multiple different production units; simultaneous pressure regulation of several LPGs for mixed feeding; the LPG desulfurization tower in the desulfurization unit using high-efficiency packing, with random packing at the bottom and top and structured packing in the middle to avoid bottom packing blockage; and a three-stage mercaptan removal unit with two-stage water washing of the LPG. Simultaneously, the addition of solid mercaptan removal catalyst is stopped and replaced with liquid desulfurization enhancer, solving the scaling and blockage problem between fiber membrane fibers, significantly improving feedstock adaptability and operational flexibility, ensuring long-term stable operation of the unit and downstream product quality, and achieving a mercaptan content of ≤1 mg / m³ in the refined LPG. 3 .

The present application belongs to the technical field of rectification separation, and provides a rectification separation and purification method for preparing high-purity o-dichlorobenzene. The present application adopts the design of loading surface-modified structured packing in the rectification section of the rectification tower. The structured packing is composed of an alumina ceramic matrix and a cross-linked copolymer layer. The cross-linked copolymer layer contains structural units formed by N-vinyl-2-pyrrolidone, 2-hydroxyethyl methacrylate and ethylene glycol dimethacrylate, and is prepared through a silanization and graft cross-linking polymerization process. The rectification tower is operated under the conditions of a tower top absolute pressure of 0.5-20 kPa and a reflux ratio of 2-6. The present application realizes the efficient separation of o-dichlorobenzene products with a purity of not less than 99.9 wt% from dichlorobenzene isomer mixtures, solves the problem that the structured packing in a low-pressure rectification system cannot simultaneously achieve low pressure drop, large flux and high separation efficiency, and the stability of the surface modification layer in a high-temperature organic vapor environment is insufficient, and has wide industrial application value.

The utility model discloses a spraying type hydrogen separation scrubber which comprises a separator, an alkali liquor outlet is formed in the bottom of the separator, a gas outlet is formed in the top of the separator, a gas inlet is formed in one side of the separator, the alkali liquor outlet and the gas inlet are both connected with an electrolytic bath, the gas outlet is connected with a scrubber, a hydrogen outlet is formed in the top of the scrubber, and the hydrogen outlet is connected with the scrubber. A sprayer is arranged in the washer, first structured packing is arranged below the sprayer, the first structured packing comprises a plurality of layers of corrugated nets which are arranged in a stacked mode, meshes between every two adjacent layers of corrugated nets are arranged in a staggered mode, at least one layer of corrugated plate is arranged in the first structured packing, meshes are formed in the corrugated plate, and the first structured packing and the second structured packing are arranged in a staggered mode. And an external pipe is arranged between the sprayer and the washer. The washing machine is simple in structure, low in manufacturing difficulty and good in washing effect.

A compact rotating fluid stabilizer and multiphase separator system separates a multiphase input fluid flow and delivers single phase liquid streams at elevated pressure from inlet conditions. A separator housing with a lower separation chamber and an upper separation chamber rotates about a central axis. The input flow is received into the lower separation chamber and centrifuged into its constituent phases. A gaseous phase migrates through a rotary structured packing up a center tube and exits through a discharge pipe atop the housing. A heavy liquid phase is delivered at high pressure through a first diffuser ring with permeable gas tip seals supplied by high pressure gas. A lighter liquid phase migrates over a weir into an upper separation chamber and is delivered to a second diffuser ring. The compressor reduces vapor pressure to stabilize the light liquid phase.

The invention relates to the technical field of mass transfer equipment, and discloses a structured packing and an absorption tower, the structured packing is used for carbon capture by an absorption method, the structured packing comprises: a heat exchange tube assembly comprising a plurality of heat exchange tubes for circulating a cooling medium; the fin assembly is used for making contact with process fluid and comprises a plurality of fin units, and the fin units are installed on the outer walls of the heat exchange pipes; wherein the plurality of fin units can jointly define a plurality of vertical mass transfer flow channels and a plurality of horizontal mass transfer flow channels, and the vertical mass transfer flow channels and the horizontal mass transfer flow channels are communicated with each other. The structured packing not only can realize full mixing of process fluid, but also can realize efficient removal of heat.

This utility model discloses a multi-layered sealed air hood for papermaking equipment, comprising a cylindrical hollow sealed air hood, several support rings fixedly installed at equal intervals from bottom to top inside the cylindrical hollow sealed air hood, a packing tray installed at the top edge of the support rings, and a lower conical air-blocking hood installed at the bottom edge of the support rings. A water tank is welded and fixed to one outer wall of the cylindrical hollow sealed air hood. This utility model allows the waste gas treated by the spray tower to enter the cylindrical hollow sealed air hood, where the waste gas passes through multiple support rings, a cross-shaped spray structure, a packing tray, and a lower conical air-blocking hood sequentially from bottom to top. This results in the waste gas undergoing multiple layers of obstruction, packing purification, and spray treatment before being discharged, forming a multi-stage purification process. It fully utilizes the advantages of different treatment units to gradually reduce the concentration of harmful substances in the waste gas.

The utility model discloses a structured packing mechanical tensile test sample preparation device which comprises a leveling unit, a cleaning unit, a cutting unit and a blanking unit, the leveling unit is used for leveling packing samples, the cleaning unit is used for cleaning the packing samples, the cutting unit is used for pre-cutting the packing samples, and the blanking unit is used for blanking the packing samples. And the blanking unit is used for blanking the filler sample to prepare a qualified tensile test filler sample. According to the structured packing mechanical tensile test sample preparation device provided by the utility model, the structured packing mechanical tensile test sample preparation process is met, the sample preparation efficiency is improved, and the sample preparation quality and the accuracy of a mechanical tensile test are ensured.

The invention relates to a structured packing bed for a column for mass transfer and / or heat exchange between a first and a second fluid phase, wherein the column for mass transfer and / or heat exchange is designed for operation at a pressure of at least 6 bar, wherein the structured packing bed comprises at least two layers, wherein the at least two layers are stacked vertically on top of each other, and wherein at least two of the at least two layers each comprise at least one structured cross-channel packing element having a specific surface area of 60 to 500 m2 / m3 and a height of 50 to less than 150 mm, wherein at least 50% of all structured cross-channel packing elements are blocks, wherein each block comprises a plurality of sheets having periodic deformations, wherein the sheets are arranged parallel and in contact with each other in a longitudinal direction such that between them an open space is provided extending from one end of the sheets to the opposite end, wherein the open space is defined by the periodic deformations, wherein adjacent sheets are oriented such that the periodic deformations of adjacent sheets intersect each other in a cross-like manner, and wherein at least one of the structured cross-channel packing elements of a layer is rotated by 70 to 110° with respect to at least one of the structured cross-channel packing elements of an adjacent layer.

The utility model discloses a structured packing installation structure which comprises a tower body, a supporting ring is fixed at the bottom end of the inner side wall of the tower body, a plurality of packing assemblies are arranged above the supporting ring, each packing assembly comprises an annular plate, the annular plate of the lowermost packing assembly is attached to the supporting ring, and the annular plate of the lowermost packing assembly is attached to the supporting ring. And a plurality of filler plates are fixed in the annular plate. According to the utility model, the tower body, the support ring, the plurality of filler components, the plurality of support components, the extrusion component, the fixing component and the elastic component are arranged, the filler component positioned at the lowest part is supported by the support ring, the plurality of support components play a supporting role between the two adjacent filler components, and the fixing component is fixed in the tower body and then is extruded by the extrusion component. The uppermost filler assembly is extruded through the elastic assembly and the extrusion assembly, so that the multiple filler assemblies are installed in the tower body, each filler assembly does not need to be installed independently, the filler assemblies are easy and convenient to install, and follow-up disassembly, replacement or maintenance is facilitated.

This invention relates to an integrated wastewater reuse device and method using a biofilm-ultrafiltration coupling process. The device includes a bioreactor body containing a biological reaction zone and a rapid sedimentation zone. The biological reaction zone further comprises an anoxic zone and an aerobic zone, both containing structured packing material. An inlet pipe is located at the front end of the anoxic zone, a microporous aeration device at the bottom of the aerobic zone, and a return pump at the end of the aerobic zone, connected to the inlet pipe via a return pipe. An inclined baffle is positioned at the end of the aerobic zone, enclosing a rapid sedimentation zone that is wider at the top and narrower at the bottom. The rapid sedimentation zone is divided into a lower sedimentation zone and an upper clear liquid zone, with the ultrafiltration membrane module immersed in the upper clear liquid zone. Compared to existing technologies, this invention effectively removes organic matter, total nitrogen, and suspended solids from wastewater, solving the problems of easy clogging, low efficiency, and high energy consumption in existing MBR systems.

The invention discloses a biomass gasification-methanol synthesis dynamic coupling system which comprises a laminated skid-mounted framework, a gas-electricity-heat dynamic coupling control module, a broad-spectrum raw material pretreatment module and a digital twin optimization system, the stacked skid-mounted framework comprises a horizontal rotating conical bed gasification furnace, a micro-channel plate type synthesis reactor and an efficient structured packing rectifying tower which are integrated in a container; the gas-electricity-heat dynamic coupling control module comprises a multivariable model predictive control algorithm module and a proton exchange membrane electrolytic cell, the broad-spectrum raw material preprocessing module comprises a microwave-roller dryer and a KCOcatalytic cracking system, and the digital twin optimization system is used for realizing carbon footprint real-time tracking and automatic authentication. According to the invention, gasification-synthesis-rectification whole process integration is realized through a stacked skid-mounted framework, the deployment period is greatly shortened, the occupied area is reduced, MPC dynamic coupling control is adopted, the utilization rate of wind, light and electricity is increased to 91% or above, and the system operation load rate reaches 95%.

The utility model discloses a stripping tower gas -liquid separator, and the lower cylinder top end is connected with the upper cylinder bottom through the flange, and the lower cylinder and the upper cylinder junction hold the ring board, and the ring board inboard is provided with the packing support grating, and a plurality of vertical rods are vertically arranged on the packing support grating, and the packing support grating is filled with the packing, and the packing pressing grid has a plurality of, and all packing pressing grids constitute a circular grid structure, and the packing pressing grid is pressed on the packing, and the packing pressing grid is provided with through -hole, and the through -hole of packing pressing grid is matched with vertical rod, the utility model discloses reasonable in structure, and the packing support grating vertically has a plurality of vertical rods, and the packing pressing grid has a plurality of and is matched with vertical rod through the through -hole respectively, and through the cooperation of vertical rod, it is guaranteed that the packing pressing grid does not incline and dump, thereby guaranteeing the stability of packing, and the packing pressing grid of non - integral structure is convenient to take out or put in from the hand hole, and is convenient to clean.

The utility model relates to the technical field of structured packing, in particular to hyperbolic silk screen structured packing which comprises an upper pressing plate and a lower supporting plate, a packing block is arranged between the upper pressing plate and the lower supporting plate, the upper end of the lower supporting plate is fixedly connected with a reinforcing piece, the reinforcing piece is clamped in the packing block, and the lower end of the upper pressing plate is fixedly connected with a plurality of inserting rods in the transverse direction at equal intervals. The upper pressing plate is detachably mounted at the upper end of the reinforcing piece through a plurality of inserting rods, and the upper pressing plate is located at the upper end of the filler block; the reinforcing piece comprises a transverse reinforcing rib and a longitudinal reinforcing rib, and the transverse reinforcing rib and the longitudinal reinforcing rib are perpendicular to each other and are fixedly connected to the upper end of the lower supporting plate. According to the hyperbolic silk screen structured packing, the overall rigidity of the packing is enhanced through the reinforcers, fluid distribution is optimized, the service life is prolonged, rapid assembly and local replacement are achieved through modular design, the maintenance cost is reduced, the installation efficiency is improved, and the stability and practicability of the hyperbolic silk screen structured packing are remarkably improved.

This invention relates to a packing device and system, comprising: a packed tower body with a gas outlet at the top and a gas inlet at the bottom; random packing material filling the upper part of the packed tower body and located below the gas outlet; and structured packing material filling the lower part of the packed tower body and located above the gas inlet. The random packing material includes a first group of random packing material and a second group of random packing material, wherein the first group and the second group of random packing material have the same structure, but their arrangement differs. The packing device used in this invention is based on using random packing material in the upper part and structured packing material in the lower part. By combining these two types of packing material, the solution flows downwards along the gaps after entering the upper part of the packed tower body. Carbonates are less likely to crystallize in the packed tower body, and the structured packing material in the packed tower body ensures separation efficiency while also having lower gas resistance, thus improving the pressure loss of the packed tower body.

This utility model discloses a combined structure for a highly efficient ammonia-containing exhaust gas absorption tower, comprising an outer shell, with supporting legs fixedly connected in a circular array at the lower end of the shell, an air inlet channel in the center of the lower surface of the shell, a honeycomb frame snapped into the center of the shell's interior, and a packing frame snapped into the internal channel of the honeycomb frame, a connecting frame fixedly connected to the upper end of the shell's interior, a fixing groove in the upper surface of the connecting frame, and a demister snapped into the fixing groove, the packing frame having a hexagonal structure in the center and slots on its outer side, and a folded plate demister with a limiting block fixedly connected to the outer ring side of its upper surface; the packing layer and the demister layer are optimized and combined, the packing layer using special structured packing with a large specific surface area and high mass transfer efficiency, enabling the ammonia-containing exhaust gas to fully contact the absorbent liquid and achieve efficient absorption.