46 results about "Absorption column" patented technology

The utility model discloses an absorption and desorption device with a safety instrument system, and particularly relates to the technical field of chemical engineering principle experiment teaching, which comprises a support frame, a water tank fixedly arranged at the top of the support frame, a water inlet pipe arranged at the top of the water tank in a penetrating manner, and an absorption pump fixedly arranged on one side of the water tank, an absorption mechanism is fixedly arranged on one side of the absorption pump and comprises a first conveying pipe fixedly arranged at the output end of the absorption pump, an absorption tower is arranged at one end of the first conveying pipe in a penetrating mode, a connecting pipe is arranged at the bottom end of the absorption tower in a penetrating mode, and a buffer tank is arranged at one end of the connecting pipe in a penetrating mode; and two liquid level sensors are arranged in the buffer tank in a penetrating manner. The absorption and desorption device effectively avoids the influence of flow velocity mismatching of absorption liquid and desorption liquid on the experiment process, further maintains stable experiment conditions and protects normal operation of equipment, and meanwhile, the whole absorption and desorption device is provided with a safety instrument system, so that the safety of the device is improved.

The embodiment of the present application provides a composite absorption tower and a carbon dioxide capture system. The composite absorption tower comprises a tower body, a filler support, a cooling assembly, a plurality of filler blocks and a liquid collecting tank. The tower body has a cavity, the tower body is provided with an air inlet and an air outlet, the filler support is arranged in the cavity, and the filler support and the tower body define a reaction chamber; the cooling assembly is arranged in the reaction chamber in a longitudinal and transverse staggered manner and is separated into a plurality of filler sub-chambers with the tower body, the plurality of filler blocks are correspondingly arranged in the filler sub-chambers, and the cooling assembly circulates refrigerant; and the liquid collecting tank is arranged below the reaction chamber to collect absorption liquid. Therefore, the absorption liquid changes from indirect heat exchange to direct contact heat exchange, so that the absorption liquid is kept at a relatively low temperature. Therefore, the composite absorption tower according to the embodiment of the present application has the advantages of reducing energy consumption, improving heat exchange efficiency and reducing equipment investment.

The utility model relates to a blow-down device, a demister and an absorption tower. The blow-down device comprises a flushing pipe; the water inlet main pipe extends into the absorption tower from the outside of the absorption tower and is connected with the water inlet; the pollution discharge assembly is connected with the pollution discharge port and extends out of the absorption tower from the inside of the absorption tower; and the control valve is arranged on the pollution discharge assembly to control a switch of the pollution discharge assembly. The flushing pipe is arranged in the demister of the absorption tower to clean the demister, the pollution discharge assembly is connected with the pollution discharge port and extends out of the absorption tower from the interior of the absorption tower, the water inlet main pipe is connected with the water inlet to provide cleaning water for the flushing pipe, and when the flushing pipe needs to be cleaned, the control valve is opened, and the control valve is closed. Impurities in the flushing pipe are discharged from the sewage draining outlet and the sewage draining assembly through flushing water entering from the water inlet, a new cleaning water inlet does not need to be connected, cleaning can be carried out under the non-stop condition, the flushing pipe is prevented from being blocked, therefore, the demister is prevented from being blocked, and the reliability and economical efficiency of the demister are improved.

The utility model relates to an acid-base absorption tower. The acid-base absorption tower comprises an absorption tower main body, a spraying mechanism, a plurality of flushing mechanisms, a spraying water tank, a medicine mixing water tank and a pipeline assembly. During use, comprehensive circulating spraying of waste gas in the shell is realized through the spraying water tank, the spraying pipe and the spraying nozzles, so that the absorption efficiency of the waste gas is improved, and the treatment cost of the waste gas is reduced; when the pH value of the absorption liquid in the spraying water tank reaches a preset pH value close to neutral, the absorption liquid in the spraying water tank is discharged into the liquid medicine mixing tank, and the absorption liquid close to neutral in the liquid medicine mixing tank is sprayed to the filler assembly and the demisting structure layer by utilizing the pipeline assembly and the plurality of flushing mechanisms, so that the filler assembly and the demisting structure layer are automatically cleaned and maintained; the waste gas treatment efficiency is further improved, and the waste gas treatment cost is further reduced; the absorption liquid meeting the concentration requirement in the liquid medicine mixing tank is automatically added into the spraying water tank through the pipeline assembly, so that the waste gas treatment efficiency is further improved, and the labor cost is effectively reduced.

The invention discloses a slurry backflow prevention drainage device for an absorption tower inlet flue, and relates to the field of slurry backflow prevention of absorption towers, the slurry backflow prevention drainage device comprises an absorption tower main body, one side of the absorption tower main body is fixedly connected with an inlet flue pipe, the absorption tower main body is rotatably connected with a mounting pipe, and the top end of the mounting pipe is fixedly connected with a transmission pipe; according to the slurry backflow prevention drainage device for the absorption tower inlet flue, the cleaning mechanism is driven by the driving mechanism to automatically operate, and slurry at a smoke inlet of the inlet flue pipe can be timely scraped and cleaned by the cleaning plate. In the cleaning process, the transmission column drives the cleaning plate to move in a reciprocating mode under the action of the arc-shaped transmission block and the spring, stretching cleaning is conducted during entering, secondary cleaning is conducted during moving out, and the situation that slurry is accumulated to block the pipeline is avoided. And meanwhile, the cleaning plate can prevent slurry falling from the absorption tower from entering the inlet flue pipe, so that pipeline internal corrosion caused by backward flowing of the slurry is prevented, and the pipeline damage risk is remarkably reduced.

The invention discloses a combined desulfurization device which comprises a raw material gas mixing tank, a raw material gas compressor, a gas buffer tank, an absorption tower I, an absorption tower II, a constant-temperature water bath, an atomization tank, a solution booster pump and a gas liquid separation tank, the input pipe is provided with a first branch pipe connected with the first absorption tower and a second branch pipe connected with the second absorption tower, the first absorption tower is provided with a first output pipe and a second output pipe, the first branch pipe, the second branch pipe, the first output pipe, the second output pipe and the atomization tank are all provided with valves, and the first absorption tower and the second absorption tower are arranged in the constant-temperature water bath. The solution booster pump is connected with the atomization tank through a pipeline; a desulfurizing agent is introduced into the absorption tower I, the absorption tower II and the solution booster pump. The combined desulfurization device has the beneficial effects of multiple desulfurization modes and flexibility in use. The invention further discloses a test evaluation device and a test evaluation method. The test evaluation device and the test evaluation method have the beneficial effects that evaluation is convenient, and the most suitable desulfurization method is quickly selected.

The utility model belongs to the technical field of waste treatment, and discloses a demisting device for an absorption tower, the demisting device comprises a demisting assembly I and a demisting assembly II, the demisting assembly I is coaxially mounted in an air inducing pipeline, a backflow cavity I is positioned between the side wall of a reaction cavity and the inner side wall of the absorption tower, the top end of the backflow cavity I is open, and the air inducing pipeline is communicated with the backflow cavity I; a second backflow cavity is formed between the outer side wall of the air inducing pipeline and the outer cavity wall of the top end of the reaction cavity, the second backflow cavity is communicated with the air inducing pipeline, a hydrophilic semi-permeable membrane is arranged at the communication position, and the side end of the second backflow cavity is communicated with the first backflow cavity; the bottom of the exhaust cavity communicates with an air inlet pipeline, and the lower end of the air inlet pipeline communicates with the air inducing pipeline and the first backflow cavity. The second demisting assembly is installed in the air inlet pipeline, and an exhaust port communicating with the outside is formed in the top of the exhaust cavity. According to the demisting device, the flowing path of liquid is changed, the situation that the liquid and gas are repeatedly mixed to generate mist again can be reduced, secondary demisting is conducted through the second demisting assembly, and the demisting effect is improved.

An absorption tower (100) having an absorbent phase separation function. The absorption tower (100) having an absorbent phase separation function comprises a tower body (1), a liquid collection assembly (2), a first flow stabilization assembly (3), a rich-phase solution outlet (13) and a lean-phase solution outlet (14), wherein the tower body (1) has an absorption cavity (11) and a phase separation cavity (12) which are sequentially arranged from top to bottom; the liquid collection assembly (2) is located at the top of the phase separation cavity (12), and is configured to collect an absorbent falling from the absorption cavity (11) and convey same to the middle of the phase separation cavity (12); the first flow stabilization assembly (3) comprises a first flow stabilization member (31) and a second flow stabilization member (32), the first flow stabilization member (31) and the second flow stabilization member (32) being arranged vertically opposite each other so as to guide the absorbent entering the phase separation cavity (12) to diffuse in a horizontal direction; and the rich-phase solution outlet (13) is configured to pump out a rich-phase solution located in the phase separation cavity (12), and the lean-phase solution outlet (14) is configured to pump out a lean-phase solution in the phase separation cavity (12).

This invention relates to a demister and system for preventing surface scaling in absorption towers. The demister includes a main frame, within which a demister assembly is fixedly connected. The demister assembly includes several demister tubes arranged side-by-side, with connecting pipes fixedly connected between adjacent demister tubes. Each demister tube and connecting pipe has a fixedly connected baffle plate arranged axially along its axis, dividing the interior of the demister tube and connecting pipe into a first chamber and a second chamber. The sidewall of the second chamber has several micropores. The sidewall of the main frame has a hot gas inlet, a hot gas outlet, and an anti-clogging liquid inlet, respectively. The hot gas inlet and outlet communicate with the first chamber, while the anti-clogging liquid inlet communicates with the second chamber. During operation, the demister dilutes and removes slurry droplets adhering to the surface of the demister tubes, thereby preventing evaporation and crystallization to form scale, effectively solving the problem of scaling and clogging in traditional demisters.

The utility model discloses a distributor assembly and an absorption tower, and belongs to the technical field of absorption towers. The distributor assembly is used for being arranged in an absorption tower body of the absorption tower and comprises a distributor, a supporting beam and a protection part, the two ends of the supporting beam are used for being connected with the inner wall of the absorption tower body, and at least part of the protection part is located between the supporting beam and the distributor and connected with the supporting beam and the distributor. In the direction from the distributor to the supporting beam, the orthographic projection of the protection piece covers the orthographic projection of the supporting beam, and the protection piece is made of an anti-corrosion material. According to the scheme, the protection part can play a role in shielding the supporting beam so as to prevent the acid slurry from directly dropping onto the supporting beam, and then the protection part can play a role in protecting the supporting beam so as to reduce corrosion of the acid slurry to the supporting beam, so that the service life of the supporting beam is prolonged.

The invention discloses a nitric acid absorption tower and an absorption process thereof, and belongs to the technical field of nitric acid production. The nitric acid absorption tower comprises an absorption unit, a washing unit and a recovery unit, a plurality of absorption structures are arranged in an absorption box of the absorption unit in a linear array mode, and the absorption structures are used for spraying and absorbing nitric oxide to form nitric acid; the washing unit is located above the absorption unit, a plurality of gas mixing structures distributed in a linear array mode are arranged in the washing box, and the gas mixing structures are used for mixing air and nitric acid and washing the nitric acid; the recycling unit is arranged between the washing unit and the absorption unit, the washing unit is connected with the recycling unit through an exhaust pipe arranged on the upper portion of the washing unit, and the recycling unit is connected with the absorption box through a gas return pipe and sends recycled gas into the absorption box. By adopting the nitric acid absorption tower and the absorption process thereof, the problems of low nitric oxide conversion rate and low nitric acid concentration of the existing absorption tower can be solved.

An absorption column assembly includes an absorption column extending between an upstream end and a downstream end. The absorption column includes a plurality of absorption column modules extends between the upstream and downstream ends of the absorption column. A system includes a stripping structure and an absorption column assembly including an absorption column extending between an upstream end and a downstream end. The absorption column includes a plurality of absorption column modules extending between the upstream and downstream ends of the absorption column. The absorption column assembly is configured to receive lean solvent and flue gas or atmospheric air. Each of the plurality of absorption column modules is configured to cause the lean solvent to absorb a component of the gas or the atmospheric air into the lean solvent to form rich solvent and lean gas.

The utility model discloses a circulation structure for a chemical acid-base spraying absorption tower, which comprises a body and a water tank, and the surface of one side of the body close to the top is communicated and connected with an air outlet pipe; the surface of one side, close to the bottom, of the body is in through connection with an air inlet pipe, a collecting box is fixedly mounted in the body, one side of the surface of the bottom of the collecting box is in through connection with a water outlet pipe, the water outlet pipe is in through connection with the body, one side surface of the collecting box is in through connection with a water inlet pipe, and the water inlet pipe is in through connection with a water tank; a hole is formed in the surface of the top of the water inlet pipe, and a filtering assembly is arranged in the hole; through the arrangement of the filtering assembly, impurities contained in the absorption liquid can be filtered under the action of the filtering assembly before the absorption liquid enters the water tank through the conveying pipe, and therefore the time cost consumed when the absorption liquid is filtered subsequently is reduced.

The embodiment of the invention provides a method and device for determining the size of an absorption tower. The method comprises the steps that the reference height-diameter ratio and the treatment gas amount of the absorption tower are preset; determining a standard absorption tower diameter and an equivalent absorption tower diameter of the absorption tower according to the standard height-diameter ratio; determining a reference filler volume according to a filler volume coefficient, a biological coefficient influencing the filler volume and the gas treatment amount, wherein the reference filler volume is the filler volume required for removing hydrogen sulfide in the absorption tower; obtaining an equivalent filler volume according to the reference filler volume, the tower diameter of the equivalent absorption tower and the tower diameter of the reference absorption tower; and determining the actual size of the absorption tower according to the equivalent filler volume. According to the method, the optimal absorption tower size under different height-diameter ratio conditions can be quickly determined, and the design and development precision of the absorption tower is improved.

The utility model discloses an absorption tower slurry PH and density measuring device which comprises an absorption tower, a first drainage pipe and a second drainage pipe which are communicated with the absorption tower are installed at the bottom of the absorption tower, and the first drainage pipe is connected with a first sampling pipe and connected to an inlet in the bottom of a first measuring tank through the first sampling pipe. An outlet in the top of the first measuring tank is connected with a first liquid outlet pipe and connected to a discharge pipe through the first liquid outlet pipe, a first PH meter is inserted into the top of the first measuring tank, the second drainage pipe is connected with a second sampling pipe and connected to an inlet in the bottom of the second measuring tank through the second sampling pipe, and an outlet in the top of the second measuring tank is connected with a second liquid outlet pipe. The second measuring tank is connected to the discharge pipe through a second liquid outlet pipe, and a second PH meter is inserted into the top of the second measuring tank. The slurry in the first measuring tank and the second measuring tank adopts a bottom-in and top-out mode, so that the drained slurry has stability, timeliness and representativeness, and the measurement accuracy of the first PH meter and the second PH meter is guaranteed.

1. The name of the design product: absorption tower (L type). 2. The use of the design product: used in non-ferrous smelting electrolysis process to absorb tail gas. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

The utility model provides an absorption tower conical sieve plate tray for a nitric acid device, which relates to the technical field of chemical equipment and comprises a tray main body and a positioning column, a tray sieve plate is mounted in the tray main body close to the top surface, foot frames are distributed in the tray main body in a linear array manner, and a tray main beam is arranged in the center of the tray main body. The bottom surface of the tower tray main beam is bolted with the surface of the bottom frame at the bottom, the top surfaces of the bottom frames at the two sides of the tower tray main beam are bolted with second beams, the top surface of the tower tray main beam is bolted with pressing and fixing discs, cooling coils are arranged between the adjacent second beams, and cooling coils are arranged between the adjacent pressing and fixing discs; the S-shaped cooling coil obviously prolongs the flowing path of a cooling medium in the tower tray, so that the cooling medium has more time to be in contact with rising gas in the downward flowing process, the sufficient mass transfer reaction is promoted, the uniformity of gas-liquid contact is optimized, the chemical reaction rate is increased, and the output capacity of nitric acid in unit time is also improved.

The application provides an absorption tower, comprising: a tower body, an absorption section being arranged in the tower body; a first gas inlet being arranged at the bottom of the tower body; a gas outlet being arranged at the top of the tower body; a gas inlet pipe comprising a main pipe body and branch pipes, the main pipe body being communicated with the first gas inlet, the first end of the branch pipes being connected with the main pipe body, and the second end of the branch pipes being connected with the tower body and being correspondingly arranged with the absorption section; and gas is distributed to the branch pipes through the main pipe body and is correspondingly arranged with the absorption section through the second end of the branch pipes, so that the problem of uneven distribution of gas-liquid two-phase in the filler layer in the related art is effectively solved.

The utility model discloses an air purification filling type absorption device, and relates to the field of air purification. The air purification filling type absorption device comprises an absorption tower, filler is arranged in the absorption tower, a pressing plate is arranged in the absorption tower and located at the top of the filler, and a flattening assembly used for making the filler uniform is arranged in the absorption tower. According to the air purification filling type absorption device, a connecting rod is pushed through the pushing force of a spring strip, so that the connecting rod drives a pressing plate to move downwards, the acting force of the pressing plate on filler is increased, the filler is compacted by the pressing plate, the filler is conveniently compacted according to the filler containing position in the absorption tower, and the phenomenon that the filler runs around is reduced; the pressing plate is moved, so that the smoothness of the filler in the absorption tower is facilitated, and the gas purification efficiency is improved.

The present application relates to the technical field of distributor, and particularly relates to a gas distributor and an absorption tower, the gas distributor comprises a distribution assembly, the distribution assembly comprises a bottom plate, a top plate and a distribution component, the bottom plate and the top plate are arranged in a spaced manner in the up-down direction, two ends of the distribution component are connected with the bottom plate and the top plate respectively, the distribution component comprises a first distribution component and a second distribution component which are arranged in a symmetrical manner in a first direction, the first direction is orthogonal to the up-down direction, an air inlet is formed between the first distribution component and the second distribution component, the first distribution component and the second distribution component gradually approach in a direction away from the air inlet in a second direction, the second direction is orthogonal to the first direction and the up-down direction, the first distribution component and the second distribution component each comprise a plurality of groups of baffle plates which are arranged in parallel in the first direction, and each group of baffle plates comprises a plurality of baffle plates which are arranged in a spaced manner in the second direction, the gas distributor of the present application can improve the uniformity of gas.

The application relates to a gas-liquid separation device and an absorption tower, which comprises a first pipe body, a mesh plate connected to the top of the first pipe body, a plurality of air permeable holes arranged on the mesh plate, a liquid blocking assembly arranged above the mesh plate, the liquid blocking assembly comprising a first liquid blocking piece and a second liquid blocking piece, the first liquid blocking piece comprising a first groove extending along a first direction, a plurality of first liquid blocking pieces arranged above the mesh plate along a second direction, and a first gap formed between adjacent first liquid blocking pieces, the second liquid blocking piece comprising a second groove extending along the first direction, a plurality of second liquid blocking pieces arranged above the first liquid blocking piece in a reverse buckle mode along the second direction, the second liquid blocking piece shielding the first gap, and a second gap formed between the inner wall of the first groove and the inner wall of the second groove, and the first liquid blocking piece and the second liquid blocking piece extending to the outer wall of the mesh plate. The application can prevent the upper liquid from leaking and allow the lower waste gas to pass uniformly.

The present invention relates to a method of separating carbon dioxide (C02) from a gas stream, the method comprising: providing a C02 containing gas stream to an absorption column; providing a composition comprising at least 20 wt% AMP (2-amino-2-methyl-1 -propanol), and at least 55 wt% DMSO (dimethyl sulfoxide) to the absorption column; contacting the C02 containing gas stream with the composition in the absorption column to thereby form a slurry comprising a solid fraction and a liquid fraction; separating the slurry into a solid-predominated phase and a liquid-predominated phase, the solidpredominated phase comprising at least 85 wt% of the solid fraction, the liquid-predominated phase constituting at least 60 wt% of the slurry, the solid content of the liquid-predominated phase comprising being less than 15 wt% of the solid fraction; and re-circulating the liquid-predominated phase to the absorption column to form at least a part of said composition.

This invention discloses a flat-plate membrane internal for an absorption tower and an absorption tower. The flat-plate membrane internal includes several vertically arranged flat plates and a support assembly for supporting and fixing the plates; a flow channel is formed between adjacent plates; the flat-plate membrane internal includes the following three structures: (I) the surface of the plate is provided with continuous raised or continuous groove patterns; the support assembly is an external frame; (II) the surface of the plate is provided with discontinuous raised patterns; the support assembly is an external frame; (III) the support assembly is several connecting columns, and adjacent plates are supported and fixed by staggered connecting columns. The fixed flow channel in the structure of this flat-plate membrane internal restricts the lateral movement of gas molecules, achieving uniform gas-liquid countercurrent contact. At the same time, by optimizing the surface geometry and arrangement of the plates, as well as the form of the support assembly, the gas-liquid contact area is further increased and the gas-liquid contact time is extended, thereby improving the gas-liquid mass transfer efficiency in the tower, reducing the pressure drop in the tower, and reducing system energy consumption.

The present invention relates to a method of separating carbon dioxide (CO2) from a gas stream, the method comprising: providing a CO2 containing gas stream to an absorption column; providing a composition comprising at least 20 wt% AMP (2-amino-2-methyl-1-propanol), and at least 55 wt% DMSO (dimethyl sulfoxide) to the absorption column; contacting the CO2 containing gas stream with the composition in the absorption column to thereby form a slurry comprising a solid fraction and a liquid fraction; separating the slurry into a solid-predominated phase and a liquid-predominated phase, the solid- predominated phase comprising at least 85 wt% of the solid fraction, the liquid-predominated phase constituting at least 60 wt% of the slurry, the solid content of the liquid-predominated phase comprising being less than 15 wt% of the solid fraction; and re-circulating the liquid-predominated phase to the absorption column to form at least a part of said composition.

A system including an absorption column, and one or more lines configured to feed a solvent, particulates, and a gas comprising a component to the absorption column, wherein the absorption column is configured to induce co-current flow of the gas, the solvent, and the particulates therethrough, such that the solvent absorbs the component from the gas to form rich solvent and lean gas and the particulates absorb heat generated during the co-current flow to form heated particulates. A method including feeding a solvent, particulates, and a gas comprising a component to an absorption column, and inducing co-current flow of the gas, the solvent, and the particulates through the absorption column such that the solvent absorbs the component from the gas to form rich solvent and lean gas and the particulates absorb heat generated during the co-current flow to form heated particulates.

The utility model belongs to the technical field of heterocyclic compound production, and particularly relates to a two-stage reaction system for urotropine production, which comprises a falling film absorption tower, a first absorption module, a second absorption module and a third absorption module are sequentially arranged in the falling film absorption tower from top to bottom, and a mixing cavity is arranged at the bottom of the falling film absorption tower. The first absorption module, the second absorption module and the third absorption module are communicated with one another, liquid sprayers, double filler layers and gas dispersers are arranged in the first absorption module, the second absorption module and the third absorption module at intervals, the liquid sprayers are connected with liquid inlet pipelines, and the gas dispersers are connected with gas inlet pipelines; a plurality of liquid distributors are arranged in the middle of the packed tower at intervals, and a vacuum pump is connected to the top of the packed tower. According to the utility model, the production efficiency of urotropine is improved, the energy consumption is reduced, the use of equipment is reduced, and high efficiency, economical efficiency and environmental friendliness are realized.