CN104174260A - Gas absorption tower and application method thereof - Google Patents
Gas absorption tower and application method thereof Download PDFInfo
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- CN104174260A CN104174260A CN201410436382.2A CN201410436382A CN104174260A CN 104174260 A CN104174260 A CN 104174260A CN 201410436382 A CN201410436382 A CN 201410436382A CN 104174260 A CN104174260 A CN 104174260A
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- orifice plate
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 382
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 118
- 230000008569 process Effects 0.000 claims abstract description 22
- 239000012530 fluid Substances 0.000 claims description 20
- 238000001802 infusion Methods 0.000 claims description 20
- 230000004888 barrier function Effects 0.000 claims description 11
- -1 polyethylene Polymers 0.000 claims description 10
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 239000004952 Polyamide Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 531
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 239000002912 waste gas Substances 0.000 abstract description 11
- 239000012071 phase Substances 0.000 abstract description 8
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- 230000007613 environmental effect Effects 0.000 abstract description 6
- 239000011148 porous material Substances 0.000 abstract description 4
- 238000007670 refining Methods 0.000 abstract description 3
- 238000005406 washing Methods 0.000 abstract description 2
- 238000000638 solvent extraction Methods 0.000 abstract 1
- 239000002253 acid Substances 0.000 description 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 10
- 230000005587 bubbling Effects 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
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- 238000006243 chemical reaction Methods 0.000 description 8
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- 238000009826 distribution Methods 0.000 description 5
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- 238000005507 spraying Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 3
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
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- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
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- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to processes of absorbing, washing and treating waste gas in the technical field of chemical industry, oil refining and environmental protection and in particular relates to a gas absorption tower and an application method thereof. The gas absorption tower comprises a gas absorption device (1), wherein the gas absorption device (1) is provided with a pore plate (7) and more than three gas absorption tubes (8); opening ends of the gas absorption tubes (8) are fixed in mounting holes of the pore plate (7); absorption holes are uniformly formed in the gas absorption tubes (8); the pore plate (7) is used for partitioning the gas absorption device (1) into a gas absorption area (9) and a to-be-absorbed gas area (10). As the gas absorption tower is used for absorbing the gas, the contact area between a gas phase and a liquid phase in unit volume can be increased; the gas absorption is improved and the production efficiency is improved; the gas absorption tower is simple in structure, convenient and flexible to mount, environmental friendly and economical; the requirement of variety in industrialized application are met; the requirement quantity of absorption liquid is reduced; the production cost is reduced; discharged gas can be fully purified during treating of the waste gas.
Description
Technical field
The technical process such as absorption, washing, exhaust-gas treatment that the present invention relates to the technical fields such as chemical industry, oil refining, environmental protection, is specifically related to a kind of absorption column of gas and using method thereof.
Background technology
In the fields such as chemical industry, oil refining, environmental protection, Physical Absorption or the chemical absorbing that need to carry out gas by mass-transfer progress realize gas liquid reaction or exhaust-gas treatment, and absorption column of gas is used widely owing to having the advantage that treating capacity is large.In absorption column of gas, bubble tower (claiming again bubble type absorption column of gas) is with respect to packed tower, and pressure drop is little, device structure is simple, can form the gas-liquid contact operating mode of laminar flow gentleness, and utilization rate is higher.Traditional bubble tower, the horizontal column plate of in-built some layer, the special device that to have gas dispersion on column plate be bubble is as gas distributor, and overflow pipe is housed, during operation, liquid is entered by tower top, through overflow pipe step by step tray, decline, and on column plate, accumulating liquid layer, gas enters at the bottom of by tower, through the gas distributor on column plate, through liquid layer, bubbling and going out, thereby two-phase can fully contact, and makes liquid fully absorb the easily dissolved component in gas.
For the benefit of GAS ABSORPTION or reaction, has had some optimization means to gas-liquid mass transferring efficiency in traditional bubble tower at present:
CN202078849U proposes a kind of bubbling device that removes sour gas, at cabinets cavity, gas distribution supervisor is set, one end of air inlet pipe is stretched into cabinets cavity and is connected and communicates with gas distribution supervisor, the some gas distributionbranch pipes that are connected with gas distribution supervisor and communicate are set and some groups of playpipes that are connected with gas distributionbranch pipe and communicate are set, playpipe lower end and outlet thereof are positioned at the absorption sap cavity of cabinets cavity, the outlet of all playpipes is all positioned on same level line, during use, containing SO
2after waste gas gas distribution, enter lime stone solution and produce chemical action, SO
2be absorbed, this bubbling device arranges some groups of playpipes on each gas distributionbranch pipe, and many playpipes can be set in every group increases the mouth of pipe gross area absorbing in sap cavity, increases exhaust-gas treatment amount in the unit interval;
CN101450279A proposes a kind of for removing the bubble tower of the sour gas of dusty gas, top at tower body arranges air inlet, below air inlet, establish the female pipe of one or more layers spray of spray liquid, wherein each sprays female pipe and is provided with a plurality of nozzles, below dividing plate below the female pipe of spray, be provided with one end and be immersed in the playpipe in liquid, when this bubble tower is used, gas is first after the spraying cooling of the spraying and cooling area on dividing plate top, liquid in playpipe blasts absorption tower, carry out gas-liquid contact absorption;
CN101234318A proposes the bubbling column reactor of a kind of band " solution-air " dispersion mixing device, at tower bottom, the double-layered stirrer coaxial with tower body is installed, and at the bottom of employing tower, stirs and reduces bubble size;
The bubble tower that CN101721826A proposes, comprise cylindrical shell, vapor distributor, liquid phase distributor, downspout and at least one bubbling bed, vapor distributor is arranged on cylindrical shell bottom, liquid phase distributor is arranged on cylindrical shell top, bubbling bed is arranged between vapor distributor and vapor distributor, bubbling bed bottom is tower tray assembly, and tower tray assembly comprises that bubbling bed column plate and distribution are arranged on the bubbling pulse valve on bubbling bed column plate;
The multilevel deflector-type bubble tower reactor that CN101653711A proposes, be provided with conversion zone, deflector, liquid phase distributor and microvesicle generators, conversion zone connects deflector by reaction column and forms, liquid phase distributor is positioned at tower body upper end, microvesicle generators is positioned at tower body lower end, in conversion zone upper end, be provided with liquid phase feeding mouth, in conversion zone lower end, be provided with gas-phase feed mouth, during use, phase feed is squeezed in tower via microvesicle generators by compressor, under buoyancy, microvesicle moves upward, with liquid phase feed counter current contacting, and issue raw respective reaction in the guide functions of deflector.
In the Optimum Operation of above-mentioned these bubble towers, be no matter adopt increase at the bottom of playpipe, first spraying cooling, tower stir, the combination of bubbling-spray or multilevel deflector, bubble is all that certain same level position moves upward forming again and contacts absorption with liquid in tower, Gas-Liquid Dispersion mainly relies on gas to enter the Turbulent Kinetic that the buoyancy in tower forms, its energy is less, gas is easily assembled and is difficult to disperse, in tower, bubble size is large, in unit volume, Gas-liquid interfacial area is little, affect bubble tower production efficiency, Gas-Liquid Dispersion effect is undesirable.
Summary of the invention
The object of the invention is on the basis of existing technology, a kind of absorption column of gas is provided, to overcome in existing absorption column of gas tower, bubble size is large, the little drawback of gas-liquid contact area in unit volume, adopt absorption column of gas of the present invention to carry out GAS ABSORPTION, increased Gas-liquid interfacial area in unit volume, strengthen gas absorption process, improved absorption tower production efficiency; Device structure is simplified, easy for installation flexible, adapts to the multifarious demand of industrial applications; Reduce absorption liquid requirement, reduced production costs, during exhaust-gas treatment, made the gas of discharging be fully purified, also reached discharging standards, environmental protection and saving; The present invention provides the using method of this absorption column of gas simultaneously.
For achieving the above object, the present invention adopts technical scheme to be:
An absorption column of gas, has gas feed and gas vent, it is characterized in that:
Described absorption column of gas has gas absorbing device more than two, described gas absorbing device more than two or shared tower body or have respectively independent unit tower tower body;
Described gas absorbing device has orifice plate and three above single-ended open type GAS ABSORPTION pipes; Described orifice plate is fixedly connected with described tower body inwall or described unit tower tower body inwall, orifice plate is divided into two parts by gas absorbing device, be GAS ABSORPTION district and gas zone to be absorbed, described GAS ABSORPTION district is positioned at a side of gas absorbing device orifice plate, described GAS ABSORPTION pipe is positioned at the absorption liquid in described GAS ABSORPTION district complete Mei Yu GAS ABSORPTION district, and described gas zone to be absorbed is positioned at the opposite side of gas absorbing device orifice plate;
The openend of described GAS ABSORPTION pipe by seal welding, be threaded or the suitable form such as bolt connection is fixed on the installing hole of orifice plate, GAS ABSORPTION tube cavity is communicated with described gas zone to be absorbed;
On GAS ABSORPTION pipe, be evenly equipped with sucking, described sucking aperture is below grade, make under duty gas under the poor promotion of GAS ABSORPTION pipe external and internal pressure to enter in the absorption liquid in GAS ABSORPTION district through sucking, and absorption liquid can not enter GAS ABSORPTION tube cavity through sucking;
Described gas feed is communicated with the gas zone to be absorbed of gas train at least, and described gas vent is communicated with the GAS ABSORPTION district of gas train at least.
Absorption column of gas of the present invention has following three kinds of arrangements at least:
Scheme one:
Absorption column of gas has gas absorbing device more than two, each is organized, and gas absorbing device is connected up and down and shared tower body, the lower tower that tower body downside is located in gas feed covers, the upper tower that gas vent is located at tower body upside covers, orifice plate horizontally set is also fixedly connected with tower body inwall, orifice plate is divided into two parts by gas absorbing device, i.e. the GAS ABSORPTION district of orifice plate upside and the gas zone to be absorbed of orifice plate downside; GAS ABSORPTION tube opening end is fixed on the installing hole of orifice plate; Gas feed is communicated with the gas zone to be absorbed of lower side gas train, and gas vent is communicated with the GAS ABSORPTION district of top side gas train.
In this programme, gas upwards enters GAS ABSORPTION tube cavity through installing hole, GAS ABSORPTION tube opening end successively from gas zone to be absorbed, and through the sucking on GAS ABSORPTION pipe, upwards enter GAS ABSORPTION district and carry out gas-liquid contact absorption, after gas absorbing device more than two, complete GAS ABSORPTION more than two-stage.
Scheme two:
Absorption column of gas has gas absorbing device more than two, each organizes the series connection of gas absorbing device left and right and shared tower body, the right tower that tower body right side is located in gas feed covers, the left tower that gas vent is located at tower body left side covers, described orifice plate is vertical to be arranged and is fixedly connected with tower body inwall, orifice plate is divided into two parts by gas absorbing device, i.e. the GAS ABSORPTION district in orifice plate left side and the gas zone to be absorbed on orifice plate right side; GAS ABSORPTION tube opening end is fixed on the installing hole of orifice plate; Between two adjacent groups gas absorbing device, be also provided with liquid barrier, between liquid barrier and tower body inwall, have gas passage, liquid barrier is higher than the highest liquid level in GAS ABSORPTION district; Gas feed is communicated with the gas zone to be absorbed of rightmost side gas train, and gas vent is communicated with by gas passage with the GAS ABSORPTION district of leftmost side gas train.
In this programme, gas enters GAS ABSORPTION tube cavity through installing hole, GAS ABSORPTION tube opening end left successively from gas zone to be absorbed, and through the sucking on GAS ABSORPTION pipe, enter GAS ABSORPTION district left and carry out gas-liquid contact absorption, after gas absorbing device more than two, complete GAS ABSORPTION more than two-stage.
Scheme three:
Absorption column of gas has gas absorbing device more than two, and every group of gas absorbing device has respectively independent unit tower tower body and form a unit tower, and unit tower serial or parallel connection or string series-parallel connection connect and compose absorption column of gas;
Orifice plate is horizontally set in unit tower and is fixedly connected with unit tower tower body inwall, and orifice plate is divided into two parts by gas absorbing device, i.e. the GAS ABSORPTION district of orifice plate upside and the gas zone to be absorbed of orifice plate downside; GAS ABSORPTION tube opening end is fixed on the installing hole of orifice plate; The upper and lower both sides of unit tower tower body have respectively Shang Tagai and Xia Tagai, and lower tower covers has unit tower gas feed, and upper tower covers has unit tower gas vent; The gas feed of described absorption column of gas is communicated with by its unit tower gas feed with the gas zone to be absorbed of gas absorbing device at least one unit tower, and the gas vent of described absorption column of gas is communicated with by its unit tower gas vent with the GAS ABSORPTION district of gas absorbing device at least one unit tower.
Absorption column of gas described in this programme, further, the plural unit tower Component units tower group that is connected in parallel, plural unit tower group is connected in series and forms described absorption column of gas, unit tower common gas intake header and gas outlet header in described unit tower group, between adjacent cells tower group, the gas access house steward of the gas outlet header of last unit tower group and a rear unit tower group interconnects; The gas feed of described absorption column of gas is communicated with the gas feed house steward of at least one unit tower group, and the gas vent of described absorption column of gas is communicated with the gas outlet header of at least one unit tower group; In a preferred embodiment, can adopt 2～4 unit tower Component units tower groups in parallel, the unit tower group of 2～3 series connection forms absorption column of gas.
In this programme, gas upwards enters GAS ABSORPTION tube cavity through installing hole, GAS ABSORPTION tube opening end successively from the gas zone to be absorbed of unit tower, and through the sucking on GAS ABSORPTION pipe, upwards enter GAS ABSORPTION district and carry out gas-liquid contact absorption, after the gas absorbing device of more than two unit tower, complete GAS ABSORPTION.
In absorption column of gas of the present invention, the sucking on GAS ABSORPTION pipe is that aperture is in the hole of 0.05 μ m～1mm; Like this, when gas to be absorbed passes GAS ABSORPTION pipe, may be partitioned into minute sized minute bubbles, increase gas-liquid contact area in unit volume.
In absorption column of gas of the present invention, gas absorbing device is provided with fluid infusion mouth and/or evacuation port, and fluid infusion mouth is arranged on top, GAS ABSORPTION district, is convenient to observation and to GAS ABSORPTION district, supplements in time absorption liquid; Evacuation port is located at bottom, GAS ABSORPTION district, the emptying rate of liquid when absorption liquid of being convenient to more renew or maintenance.
In absorption column of gas of the present invention, the preferred stainless steel of the material of absorption column of gas, polyethylene, polyamide, polypropylene or polytetrafluoroethylene (PTFE), absorbed the acid or corrosion failure of alkaline atmosphere to equipment of gas to reduce, extension device service life.
The present invention also provides the using method on above-mentioned gas absorption tower, gas absorption process is carried out in the gas absorbing device of absorption column of gas, make the complete submergence GAS ABSORPTION of the absorption liquid pipe in GAS ABSORPTION district, gas to be absorbed is introduced absorption column of gas by gas feed, first by the gas zone to be absorbed of gas absorbing device, successively through installing hole, GAS ABSORPTION tube opening end enters GAS ABSORPTION tube cavity, under pressure differential inside and outside GAS ABSORPTION pipe promotes, through the sucking on GAS ABSORPTION pipe, the micro-bubble that is divided into homogeneous diameter, enter and in the absorption liquid in GAS ABSORPTION district, carry out gas-liquid two-phase with absorption liquid and fully contact, realize GAS ABSORPTION, gas after gas absorbing device more than two absorbs is by gas vent Exhaust Gas absorption tower.
Adopt the present invention, at least there is following beneficial effect:
1, to form from same level position in tower with bubble in existing bubble tower, Gas-Liquid Dispersion mainly relies on gas to enter the Turbulent Kinetic difference that the buoyancy in tower forms, in absorption column of gas of the present invention, Gas-Liquid Dispersion is to rely on gas to cut apart effect through the gas of GAS ABSORPTION pipe, due to the uniform sucking in the GAS ABSORPTION pipe whole body, disperse bubble by regularity, to be cut apart formation all over the body up and down along GAS ABSORPTION pipe, gas easily disperses, again because sucking aperture is below grade, gas is divided into micro-bubble, in tower, bubble size is little, energy is large, in unit volume, bubble is even, bubble fully contacts with its absorption liquid around once cutting apart to have little time to assemble, increased Gas-liquid interfacial area in unit volume, strengthened gas absorption process, because sucking is uniform pore size, divided Air Bubble Size is even, can turbulization, make to absorb stable, improved absorption column of gas production efficiency,
2, compare with the bubble tower of stirring at the bottom of the increase playpipe of prior art, first spraying cooling, tower, the combination of bubbling-spray or multilevel deflector, absorption column of gas of the present invention is usingd gas absorbing device as absorptive unit, GAS ABSORPTION pipe and AND DEWATERING FOR ORIFICE STRUCTURE are simple, be easy to manufacture, without complicated stirring, spray or guiding device, make absorption column of gas designs simplification, working service is convenient; Can be by the gas absorbing device of many group series connection be set, adopt vertical or horizontal tower body to arrange, can also adopt the unit tower composition absorption column of gas that a plurality of serial or parallel connections or string series-parallel connection connect is set, according to GAS ABSORPTION, need and place, production scene situation, equipment is easy for installation flexibly, adapts to the multifarious demand of industrial applications;
3, adopt GAS ABSORPTION gas tower of the present invention, by increasing gas-liquid contact area strengthening gas absorption process, absorption efficiency improves, when gas obtains fully absorbing, also reduced absorption liquid requirement, reduced production costs, when processing waste gas, can make the gas of discharging be fully purified and reach discharging standards, environmental protection and saving.
The present invention can be used for absorbing or process acidity or the alkaline gas such as sulfur dioxide, carbon dioxide, hydrogen chloride, hydrogen fluoride, hydrogen sulfide, ammonia or chlorine, and the absorption liquid of employing can be for absorbing the alkalescence such as alkali metal absorption liquid, alkaline-earth metal absorption liquid, amine absorption liquid, acids absorption liquid or water of above-mentioned gas, neutral or acid absorption liquid.
Accompanying drawing explanation
Fig. 1 is absorption column of gas overall structure schematic diagram of the present invention;
Fig. 2 be in Fig. 1 A-A to view;
Fig. 3 is absorption column of gas overall structure schematic diagram two of the present invention;
Fig. 4 is absorption column of gas overall structure schematic diagram three of the present invention;
Fig. 5 is unit tower enlarged drawing in Fig. 4.
In accompanying drawing: 1, gas absorbing device; 2, tower body; 3, Xia Tagai; 4, gas feed; 5, Shang Tagai; 6, gas vent; 7, orifice plate; 8, GAS ABSORPTION pipe; 9, GAS ABSORPTION district; 10, gas zone to be absorbed; 11, liquid level gauge; 12, fluid infusion mouth; 13, evacuation port; 14, You Tagai; 15, Zuo Tagai; 16, liquid barrier; 17, gas passage; 18, unit tower; 19, gas feed house steward I; 20, gas outlet header I; 21, gas feed house steward II; 22, gas outlet header II; 23, unit tower tower body; 24, tower lid under tower body; 25, unit tower gas feed; 26, tower lid on tower body; 27, unit tower gas vent; In figure, arrow represents gas flow.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is further elaborated, but protection scope of the present invention includes but not limited to this.
embodiment one:
As shown in Figure 1-2, absorption column of gas of the present invention, is provided with 1, three group of gas absorbing device of three groups of gas absorbing devices 1 and shares tower body 2, and tower body 2 vertical type cylinder shapes arrange, and tower body 2 and three groups of gas absorbing devices 1 all adopt stainless steel manufacture;
Tower body 2 upper and lower sides are respectively equipped with tower lid 5 and lower tower lid 3, establish gas feed 4 on Xia Tagai 3, establish gas vent 6 on Shang Tagai 5;
Gas absorbing device 1 has orifice plate 7 and three above GAS ABSORPTION pipes 8; Orifice plate 7 is the plectane with installing hole, be horizontally set in tower body 2, and be fixedly connected with tower body 2 inwalls, like this, orifice plate 7 is divided into two parts by gas absorbing device 1, be the GAS ABSORPTION district 9 of upside and the gas zone to be absorbed 10 of bottom, GAS ABSORPTION pipe 8 is positioned at the absorption liquid in GAS ABSORPTION district 9 complete Mei Yu GAS ABSORPTION district 9, and GAS ABSORPTION pipe 8 inner chambers are communicated with gas zone 10 to be absorbed; The single-ended opening of GAS ABSORPTION pipe 8, its openend is bolted form sealing and is fixed on the installing hole of orifice plate 7, and its openend is downwards towards orifice plate 7;
The position relationship that GAS ABSORPTION pipe 8, orifice plate 7 and tower body are 2 as shown in Figure 2, installing hole on orifice plate 7 is corresponding one by one with GAS ABSORPTION pipe 8, GAS ABSORPTION pipe 8 and installing hole coaxial communication, like this, when GAS ABSORPTION pipe 8 is fixed on orifice plate 7 and orifice plate 7 is horizontally installed in tower body 2 when interior, when gas is flowed through orifice plate 7 from bottom to top, first the installing hole on orifice plate 7 enters GAS ABSORPTION pipe 8 inner chambers; During concrete enforcement, it is uniform on orifice plate 7 that installing hole decision design becomes, and is convenient to gas uniform and absorbs, and is beneficial to absorption stable;
On GAS ABSORPTION pipe 8, be evenly equipped with the sucking (not shown) below grade aperture, under duty, under the poor promotion of GAS ABSORPTION pipe 8 external and internal pressure, gas can through sucking enters in the absorption liquid in GAS ABSORPTION district 9, absorption liquid can not enter GAS ABSORPTION pipe 8 inner chambers through sucking, during concrete enforcement, for maximal efficiency is utilized space in absorption column of gas, GAS ABSORPTION pipe 8 is uniform sucking all over the body, make gas flow when GAS ABSORPTION pipe 8, along the outside All Ranges of GAS ABSORPTION pipe 8, all form continuous divided bubble; In addition, this sucking can be set to circular hole, the resistance while reducing gas by sucking, the aperture of sucking is arranged on 0.05 μ m～1mm, and research is found, when sucking aperture is less than 0.05 μ m, while absorbing gas, equipment vapour lock increases, and easily stops up, and affects absorption column of gas and normally moves; When sucking aperture is greater than 1mm, it is large that gas is absorbed the bubble size that hole is divided into, Gas-liquid interfacial area is little, be difficult to guarantee gas absorbed efficiency, and when sucking aperture is greater than after 1mm, absorption liquid may infiltrate in GAS ABSORPTION pipe 8 through sucking, can affect absorption column of gas and normally use when serious;
During concrete enforcement, orifice plate 7 can adopt the suitable forms such as seal welding or flange connection to be fixed on tower body 2 inwalls, when adopting seal welding form, tower body 2 can be integrally manufactured, only go up tower lid 5 and 3 flexible connections of lower tower lid or manhole be set to facilitate equipment installation and maintenance at tower body 2 correct positions, orifice plate 7 is welded in to tower body 2 inwall corresponding positions, when adopting flange type of attachment, tower body 2 can be manufactured according to orifice plate 7 number segmentations, and segmentation place connects and orifice plate 7 is fixed on to flange position with flange, during concrete enforcement, GAS ABSORPTION pipe 8 openends can pass through seal welding, be threaded or bolt type of attachment sealing is fixed on the installing hole of orifice plate 7, when adopting seal welding form, the direct coaxial welding of GAS ABSORPTION pipe 8 openend is fixed on installing hole, when employing is threaded form, GAS ABSORPTION pipe 8 openends are provided with external screw thread and installing hole is provided with internal thread, internal and external threads is coordinated to screw and get final product fixed gas absorption tube 8, when form with bolts, GAS ABSORPTION pipe 8 openends are provided with external screw thread matching with hollow nut, GAS ABSORPTION pipe 8 openends are screwed to nut through installing hole and get final product fixed gas absorption tube 8,
About the concrete structure of orifice plate 7, GAS ABSORPTION pipe 8, tower body 2 and between annexation, it will be appreciated by those skilled in the art that and solve, following embodiment roughly the same, repeats no longer one by one;
In the GAS ABSORPTION district 9 of three groups of gas absorbing devices 1, be equipped with liquid level gauge 11, fluid infusion mouth 12 and evacuation port 13, liquid level gauge 11, for controlling absorption liquid height, guarantees that GAS ABSORPTION pipe 8 can be immersed in absorption liquid completely; Fluid infusion mouth 12 is located at the top in GAS ABSORPTION district 9, to 9 supplement absorption liquids to GAS ABSORPTION district in time; Evacuation port 13 is located at 9 bottoms, GAS ABSORPTION district, the absorption liquid of being convenient to more renew, or when maintenance, facilitate emptying rate of liquid;
Three groups of gas absorbing devices 1 are setting up and down, under formation, in, upper three groups of gas absorbing devices of connecting successively, gas feed 4 is communicated with the gas zone to be absorbed 10 of lower group gas absorbing device 1, gas vent 6 is communicated with the GAS ABSORPTION district 9 of upper group of gas absorbing device 1, when neighbouring two groups of gas absorbing devices connect, the GAS ABSORPTION district 9 of lower group gas absorbing device 1 is communicated with up and down with the gas zone to be absorbed 10 of middle group of gas absorbing device 1, and the GAS ABSORPTION district 9 of middle group of gas absorbing device 1 is communicated with up and down with the gas zone to be absorbed 10 of upper group of gas absorbing device 1.
It should be noted that absorption column of gas except selecting stainless steel manufacture, can also select polyethylene, polyamide, polypropylene or polytetrafluoroethylene (PTFE) manufacture, so that absorption column of gas withstand corrosion, low cost of manufacture and Portable durable.
With the absorption column of gas shown in Fig. 1, absorb and process the waste gas producing in certain chemical plant production process, its technological process is as follows:
Waste gas absorption process is carried out in three groups of gas absorbing devices 1 of absorption column of gas, make respectively to organize the complete submergence GAS ABSORPTION of the absorption liquid pipe 8 in gas absorbing device 1 GAS ABSORPTION district 9, through booster fan and gas cooler, pressurize cooling waste gas by gas feed 4 introducing absorption column of gas, first by the gas zone to be absorbed 10 of lower group of gas absorbing device, successively through installing hole, GAS ABSORPTION pipe 8 openends enter GAS ABSORPTION pipe 8 inner chambers, under the inside and outside pressure differential of GAS ABSORPTION pipe 8 promotes, through the sucking on GAS ABSORPTION pipe 8, the micro-bubble that is divided into homogeneous diameter, enter and in the absorption liquid in GAS ABSORPTION district 9, carry out gas-liquid two-phase with absorption liquid and fully contact, realize one-level GAS ABSORPTION, gas after one-level absorbs upwards enters middle group of gas absorbing device, carries out the secondary gas same with one-level gas absorption process and absorbs, gas after secondary absorbs continues upwards to enter upper group of gas absorbing device, carries out the three grade GAS ABSORPTION same with one-level gas absorption process, gas after absorption, by gas vent 6 Exhaust Gas absorption towers, completes the processing of waste gas, when liquid level gauge 11 shows the absorption liquid deficiency of certain group gas absorbing device, from fluid infusion mouth 12, automatically GAS ABSORPTION district 9 is carried out to fluid infusion, when the absorption liquid of certain group gas absorbing device approaches when saturated, through its evacuation port 13 discharge absorption liquids, and the absorption liquid more renewing.
embodiment 1:
Gas to be absorbed: SO
2waste gas, 2000mg/m
3.
Absorption liquid: 10～30% NaOH solution.
Absorption column of gas: adopt stainless steel; Tower body is vertical, high 2100mm, tower body diameter 1000mm; In tower body, establish three groups of upper, middle and lower gas absorbing device, be respectively provided with independent liquid level gauge, fluid infusion mouth and evacuation port; 25 of GAS ABSORPTION pipes, high 500mm, sucking aperture 0.05 μ m.
Implementation process: through supercharging, cooling SO
2waste gas constantly enters in absorption column of gas, respectively lower group, middle group and on contact and carry out GAS ABSORPTION with NaOH solution in organizing gas absorbing device, the clean gas after three grades of GAS ABSORPTION enters atmosphere.
Result of implementation: the SO of gas vent exhaust
2≤ 68mg/m
3, meet environment protection emission requirement.
embodiment two:
As shown in Figure 3, absorption column of gas of the present invention, is provided with 1, three group of gas absorbing device of three groups of gas absorbing devices 1 and shares tower body 2, and tower body 2 vertical type cylinder shapes arrange;
Tower body 2 left and right sides are respectively equipped with left tower lid 15 and right tower lid 14, establish gas feed 4 on You Tagai 14, establish gas vent 6 on Zuo Tagai 15;
Gas absorbing device 1 has orifice plate 7 and three above GAS ABSORPTION pipes 8; Orifice plate 7 is the plectane with installing hole, is vertically arranged in tower body 2, and is fixedly connected with tower body 2 inwalls with seal welding form; The single-ended opening of GAS ABSORPTION pipe 8, its openend is fixed on the installing hole of orifice plate 7 by the sealing of seal welding form, is evenly equipped with the sucking below grade aperture on GAS ABSORPTION pipe 8, and sucking aperture is at 0.05 μ m～1mm;
Orifice plate 7 is divided into left and right two parts by gas absorbing device 1, the GAS ABSORPTION district 9 on the left of and the gas zone to be absorbed 10 on right side, GAS ABSORPTION pipe 8 is positioned at the absorption liquid in GAS ABSORPTION district 9 complete Mei Yu GAS ABSORPTION district 9, and GAS ABSORPTION pipe 8 inner chambers are communicated with gas zone 10 to be absorbed;
In the GAS ABSORPTION district 9 of three groups of gas absorbing devices 1, be equipped with liquid level gauge (not shown), fluid infusion mouth 12 and evacuation port 13, liquid level gauge is used for controlling absorption liquid height, fluid infusion mouth 12 is located at 9 tops, GAS ABSORPTION district, and evacuation port 13 is located at 9 bottoms, GAS ABSORPTION district; Between two adjacent groups gas absorbing device 1, be provided with liquid barrier 16,2 of liquid barrier 16 and tower bodies have gas passage 17, and liquid barrier 16 is higher than GAS ABSORPTION district 9 the highest liquid levels;
Three groups of gas absorbing device 1 left and right arrange, form left, in, right three groups of gas absorbing devices of connecting successively, gas feed 4 is communicated with the gas zone to be absorbed 10 of right group of gas absorbing device 1, gas vent 6 is communicated with the GAS ABSORPTION district 9 of left group of gas absorbing device 1, when left and right two adjacent groups gas absorbing device connects, the GAS ABSORPTION district 9 of right group of gas absorbing device 1 is communicated with by gas passage 17 left and right with the gas zone to be absorbed 10 of middle group of gas absorbing device 1, the GAS ABSORPTION district 9 of middle group of gas absorbing device 1 is communicated with by gas passage 17 left and right with the gas zone to be absorbed 10 of upper group of gas absorbing device 1.
With the absorption column of gas shown in Fig. 3, absorb the alkaline gas producing in certain oil plant production process, its technological process is as follows:
Alkalescence gas absorption process is carried out in three groups of gas absorbing devices 1 of absorption column of gas, make respectively to organize the complete submergence GAS ABSORPTION of the absorption liquid pipe 8 in gas absorbing device 1 GAS ABSORPTION district 9, alkalescence gas is introduced absorption column of gas by gas feed 4, first by the gas zone to be absorbed 10 of right group of gas absorbing device, successively through installing hole, GAS ABSORPTION pipe 8 openends enter GAS ABSORPTION pipe 8 inner chambers, under the inside and outside pressure differential of GAS ABSORPTION pipe 8 promotes, through the sucking on GAS ABSORPTION pipe 8, the micro-bubble that is divided into homogeneous diameter, enter and in the absorption liquid in GAS ABSORPTION district 9, carry out gas-liquid two-phase with absorption liquid and fully contact, realize one-level GAS ABSORPTION, gas after one-level absorbs enters middle group of gas absorbing device left, carries out the secondary gas same with one-level gas absorption process and absorbs, gas after secondary absorbs continues to enter left group of gas absorbing device left, carries out the three grade GAS ABSORPTION same with one-level gas absorption process, gas after absorption, by gas vent 6 Exhaust Gas absorption towers, completes the processing of waste gas, when liquid level gauge 11 shows the absorption liquid deficiency of certain group gas absorbing device, from fluid infusion mouth 12, automatically GAS ABSORPTION district 9 is carried out to fluid infusion, when the absorption liquid of certain group gas absorbing device approaches when saturated, through its evacuation port 13 discharge absorption liquids, and the absorption liquid more renewing.
embodiment 2:
Gas to be absorbed: ammonia, 1000mg/m
3.
Absorption liquid: rare H
2sO
4solution.
Absorption column of gas: adopt polypropylene material; Tower body is horizontal, long 2000mm, high 1100mm; In tower body, establish the right side, in, left three groups of gas absorbing devices, be respectively provided with independent liquid level gauge, fluid infusion mouth and evacuation port, the high 950mm of liquid barrier; 17 of GAS ABSORPTION pipes, long 500mm, sucking aperture 1mm.
Implementation process: the ammonia through supercharging constantly enters in absorption column of gas, respectively in right group, middle group and left group of gas absorbing device with rare H
2sO
4gAS ABSORPTION, the clean gas Exhaust Gas absorption tower after three grades of GAS ABSORPTION are carried out in solution contact.
Result of implementation: the ammonia≤40mg/m of gas vent exhaust
3, ammonia absorptivity is more than 96%.
embodiment three:
As shown in Fig. 4-5, absorption column of gas of the present invention, there are gas feed 4, gas vent 6 and six groups of gas absorbing devices 1, every group of gas absorbing device 1 has respectively independent unit tower tower body 23 and forms a unit tower 18,3 unit tower 18 unit tower group I that connect and compose parallel with one another wherein, other 3 unit tower 18 Component units tower parallel with one another group II, unit tower group I and unit tower group II are connected in series mutually;
The concrete structure of unit tower 18 as shown in Figure 5, is provided with independent unit tower tower body 23, and unit tower tower body 23 vertical type cylinder shapes arrange; Gas absorbing device 1 has horizontal orifice plate 7 and three above GAS ABSORPTION pipes 8,
Orifice plate 7, for the plectane with installing hole, is fixedly connected with unit tower tower body 23 inwalls with flange type of attachment; The single-ended opening of GAS ABSORPTION pipe 8, its openend is threaded connection on the installing hole that form is fixed on orifice plate 7; On GAS ABSORPTION pipe 8, be evenly equipped with the sucking below grade aperture, sucking aperture is at 0.05 μ m～1mm: orifice plate 7 is divided into upper and lower two parts by gas absorbing device 1, be the GAS ABSORPTION district 9 on top and the gas zone to be absorbed 10 of bottom, GAS ABSORPTION pipe 8 is positioned at the absorption liquid in GAS ABSORPTION district 9 complete Mei Yu GAS ABSORPTION district 9, and GAS ABSORPTION pipe 8 inner chambers are communicated with gas zone 10 to be absorbed; In GAS ABSORPTION district 9, be provided with liquid level gauge 11, fluid infusion mouth 12 and evacuation port 13, liquid level gauge 11 is in order to control absorption liquid height, and fluid infusion mouth 12 is located at the top in GAS ABSORPTION district 9, and evacuation port 13 is located at 9 bottoms, GAS ABSORPTION district;
Unit tower tower body 23 both sides have respectively lower tower lid 24 and upper tower lid 26, on lower tower lid 24, have unit tower gas feed 25, on upper tower lid 26, have unit tower gas vent 27;
3 unit tower, 18 common gas intake header I 19 and the gas outlet header I 20 of unit tower group I, 3 unit tower, 18 common gas intake header II 21 and the gas outlet header II 22 of unit tower group II, the gas outlet header I 20 of unit tower group I interconnects with the gas feed house steward II 21 of unit tower group II; Gas feed 4 is communicated with unit tower gas feed 25, the gas zone to be absorbed 10 of 3 unit tower 18 of gas feed house steward I 19, unit tower group I successively; Gas vent 6 is communicated with unit tower gas vent 27, the GAS ABSORPTION district 9 of 3 unit tower 18 of gas outlet header 22, unit tower group II successively;
In theory, absorption column of gas can arrange a plurality of unit tower or unit tower group, adopt plural serial stage, plural parallel stage or hybrid connected structure, the requirement fully absorbing to meet gas, but in the specific implementation, increase along with unit tower or unit tower group quantity, the whole vapour lock of absorption column of gas strengthens, be unfavorable on the contrary the absorption of gas, during conventional enforcement, adopt 2～4 unit tower Component units tower groups in parallel, the unit tower group of 2～3 series connection forms absorption column of gas, is not only beneficial to GAS ABSORPTION but also can meets vapour lock requirement.
With the absorption column of gas shown in Fig. 4-5, absorb the acid mist producing in certain chemical plant production process, its technological process is as follows:
Acid mist absorption process is carried out in the gas absorbing device 1 of each unit tower 18 of absorption column of gas, make the complete submergence GAS ABSORPTION of the absorption liquid pipe 8 in each unit tower gas absorbing device 1 GAS ABSORPTION district 9, acid mist is introduced absorption column of gas by gas feed 4, through gas feed house steward I 19, unit tower gas feed 25 enters respectively in 3 unit tower 18 of unit tower group I, first by the gas zone to be absorbed 10 of 3 unit tower 18 gas absorbing devices, successively through installing hole, GAS ABSORPTION pipe 8 openends enter GAS ABSORPTION pipe 8 inner chambers, under the inside and outside pressure differential of GAS ABSORPTION pipe 8 promotes, through the sucking on GAS ABSORPTION pipe 8, the micro-bubble that is divided into homogeneous diameter, enter and in the absorption liquid in GAS ABSORPTION district 9, carry out gas-liquid two-phase with absorption liquid and fully contact, the acid mist that completes unit tower group I absorbs, gas after absorption gathers to gas outlet header I 20, through gas feed house steward II 21, unit tower gas feed 25 enters respectively in 3 unit tower 18 of unit tower group II, the acid mist carrying out in unit tower group II absorbs, gas after unit tower group II absorbs gathers to its gas outlet header II 22 through unit tower gas vent 27, by gas vent 6 Exhaust Gas absorption towers, complete acid mist absorption operation, when liquid level gauge 11 shows the absorption liquid deficiency of certain unit tower 18, from fluid infusion mouth 12, automatically GAS ABSORPTION district 9 is carried out to fluid infusion, when the absorption liquid of certain unit tower 18 approaches when saturated, through its evacuation port 13, discharge absorption liquids, and the absorption liquid more renewing.
embodiment 3:
Gas to be absorbed: HCl acid mist.
Absorption liquid: pH12～13NaOH solution.
Absorption column of gas: establish two groups of series unit tower groups, each unit tower group is established three unit tower in parallel; In each unit tower, establish gas train; Unit tower is established liquid level gauge, fluid infusion mouth and evacuation port; The long 1100mm of unit tower tower body, diameter 350mm, unit tower is established 9 of GAS ABSORPTION pipes, long 900mm, sucking aperture 45 μ m.
Implementation process: the acid mist through supercharging constantly enters in absorption column of gas, successively contacts with dilute NaOH solution in the unit tower in two groups of unit tower groups and carries out GAS ABSORPTION, the clean gas Exhaust Gas absorption tower after GAS ABSORPTION.
Result of implementation: the HCl≤5mg/m of gas vent exhaust
3, acid mist is fully purified.
Claims (10)
1. an absorption column of gas, has gas feed (4) and gas vent (6), it is characterized in that:
Described absorption column of gas has gas absorbing device more than two (1), and described gas absorbing device more than two (1) shares tower body (2) or has respectively independent unit tower tower body (23);
Described gas absorbing device (1) has orifice plate (7) and three above single-ended open type GAS ABSORPTION pipes (8); Described orifice plate (7) is fixedly connected with described tower body (2) inwall or described unit tower tower body (23) inwall, orifice plate (7) is divided into two parts by gas absorbing device (1), be GAS ABSORPTION district (9) and gas zone to be absorbed (10), described GAS ABSORPTION district (9) is positioned at a side of gas absorbing device orifice plate (7), described GAS ABSORPTION pipe (8) is positioned at the absorption liquid in described GAS ABSORPTION district (9) complete Mei Yu GAS ABSORPTION district (9), and described gas zone to be absorbed (10) is positioned at the opposite side of gas absorbing device orifice plate (7);
The openend of described GAS ABSORPTION pipe (8) is fixed on the installing hole of orifice plate (7), and GAS ABSORPTION pipe (8) inner chamber is communicated with described gas zone to be absorbed (10);
On GAS ABSORPTION pipe (8), be evenly equipped with sucking, described sucking aperture is below grade;
Described gas feed (4) is communicated with the gas zone to be absorbed (10) of gas train (1) at least, and described gas vent (6) is communicated with the GAS ABSORPTION district (9) of gas train (1) at least.
2. absorption column of gas according to claim 1, it is characterized in that: the gas absorbing device (1) of respectively organizing of described absorption column of gas is connected and shared tower body (2) up and down, described gas feed (4) is located on the Xia Tagai (3) of tower body (2) downside, gas vent (6) is located on the Shang Tagai (5) of tower body (2) upside, described orifice plate (7) horizontally set, orifice plate (7) is divided into two parts by gas absorbing device (1), i.e. the gas zone to be absorbed (10) of the GAS ABSORPTION district (9) of orifice plate (7) upside and orifice plate (7) downside; Described gas feed (4) is communicated with the gas zone to be absorbed (10) of lower side gas train (1), and described gas vent (6) is communicated with the GAS ABSORPTION district (9) of top side gas train (1).
3. absorption column of gas according to claim 1, it is characterized in that: connect and shared tower body (2) in gas absorbing device (1) left and right of respectively organizing of described absorption column of gas, described gas feed (4) is located on the You Tagai (14) on tower body (2) right side, gas vent (6) is located on the Zuo Tagai (15) in tower body (2) left side, described orifice plate (7) vertically arranges, orifice plate (7) is divided into two parts by gas absorbing device (1), i.e. the GAS ABSORPTION district (9) in orifice plate (7) left side and the gas zone to be absorbed (10) on orifice plate (7) right side; Between two adjacent groups gas absorbing device (1), be also provided with liquid barrier (16), between described liquid barrier (16) and tower body (2) inwall, have gas passage (17), liquid barrier (16) is higher than the highest liquid level in GAS ABSORPTION district (9); Described gas feed (4) is communicated with the gas zone to be absorbed (10) of rightmost side gas train (1), and described gas vent (6) is communicated with by gas passage (17) with the GAS ABSORPTION district (9) of leftmost side gas train (1).
4. absorption column of gas according to claim 1, it is characterized in that: every group of gas absorbing device (1) of described absorption column of gas has respectively independent unit tower tower body (23) and form a unit tower (18), described unit tower (18) serial or parallel connection or string series-parallel connection connect and compose described absorption column of gas; Orifice plate (7) is horizontally set in unit tower (18), and orifice plate (7) is divided into two parts by gas absorbing device (1), i.e. the gas zone to be absorbed (10) of the GAS ABSORPTION district (9) of orifice plate (7) upside and orifice plate (7) downside; The upper and lower both sides of unit tower tower body (23) have respectively Shang Tagai (26) and lower tower lid (24), have unit tower gas feed (25) on Xia Tagai (24), have unit tower gas vent (27) on Shang Tagai (26); Described gas feed (4) is communicated with by its unit tower gas feed (25) with the gas zone to be absorbed (10) of the interior gas absorbing device of at least one unit tower (18) (1), and described gas vent (6) is communicated with by its unit tower gas vent (27) with the GAS ABSORPTION district (9) of the interior gas absorbing device of at least one unit tower (18) (1).
5. absorption column of gas according to claim 4, it is characterized in that: plural unit tower (18) the Component units tower group that is connected in parallel, plural unit tower group is connected in series and forms described absorption column of gas, unit tower common gas intake header and gas outlet header in described unit tower group, between adjacent cells tower group, the gas access house steward of the gas outlet header of last unit tower group and a rear unit tower group interconnects; Described gas feed (4) is communicated with the gas feed house steward of at least one unit tower group, and described gas vent (6) is communicated with the gas outlet header of at least one unit tower group.
6. absorption column of gas according to claim 5, is characterized in that: 2～4 unit tower in parallel (18) Component units tower group, the unit tower group of 2～3 series connection forms described absorption column of gas.
7. according to the absorption column of gas described in the arbitrary claim of claim 1～6, it is characterized in that: the sucking on described GAS ABSORPTION pipe (18) is that aperture is in the hole of 0.05 μ m～1mm.
8. according to the absorption column of gas described in the arbitrary claim of claim 1～6, it is characterized in that: described gas absorbing device (18) is provided with fluid infusion mouth (12) and/or evacuation port (13), described fluid infusion mouth (12) is arranged on top, GAS ABSORPTION district (9), and described evacuation port (13) is located at bottom, described GAS ABSORPTION district (9).
9. according to the absorption column of gas described in the arbitrary claim of claim 1～6, it is characterized in that: the material of described absorption column of gas is stainless steel, polyethylene, polyamide, polypropylene or polytetrafluoroethylene (PTFE).
10. the using method of absorption column of gas described in claim 1, it is characterized in that: gas absorption process is carried out in the gas absorbing device (1) of absorption column of gas, make the complete submergence GAS ABSORPTION of the absorption liquid pipe (8) in GAS ABSORPTION district (9), gas to be absorbed is introduced absorption column of gas by gas feed (4), first by the gas zone to be absorbed (10) of gas absorbing device (1), successively through installing hole, GAS ABSORPTION pipe (8) openend enters GAS ABSORPTION pipe (8) inner chamber, under the inside and outside pressure differential of GAS ABSORPTION pipe (8) promotes, through the sucking on GAS ABSORPTION pipe (8), the micro-bubble that is divided into homogeneous diameter, enter and in the absorption liquid of GAS ABSORPTION district (9), carry out gas-liquid two-phase with absorption liquid and fully contact, realize GAS ABSORPTION, gas after gas absorbing device more than two (1) absorbs is by gas vent (6) Exhaust Gas absorption tower.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106310885A (en) * | 2016-10-17 | 2017-01-11 | 南京永亮炉业有限公司 | Selenium absorption tower |
| CN107899373A (en) * | 2017-12-13 | 2018-04-13 | 湖南云平环保科技有限公司 | Low liquid-gas ratio high efficiency spray absorption tower |
| CN110152458A (en) * | 2019-05-27 | 2019-08-23 | 邯郸开发区华骐环保科技有限公司 | A kind of full-automatic purifying formaldehyde machine |
| CN110180370A (en) * | 2019-05-10 | 2019-08-30 | 华电电力科学研究院有限公司 | A kind of System and method for being bubbled the integrative coordinated removing multiple pollutant of spray |
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| CN115228260A (en) * | 2022-08-15 | 2022-10-25 | 中国矿业大学 | A carbon dioxide absorber based on carbon neutrality |
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| CN203389502U (en) * | 2013-06-17 | 2014-01-15 | 中国石油化工集团公司 | Gas distributor |
| CN204017638U (en) * | 2014-09-01 | 2014-12-17 | 嵩县开拓者钼业有限公司 | A kind of absorption column of gas |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203389502U (en) * | 2013-06-17 | 2014-01-15 | 中国石油化工集团公司 | Gas distributor |
| CN204017638U (en) * | 2014-09-01 | 2014-12-17 | 嵩县开拓者钼业有限公司 | A kind of absorption column of gas |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106310885A (en) * | 2016-10-17 | 2017-01-11 | 南京永亮炉业有限公司 | Selenium absorption tower |
| CN107899373A (en) * | 2017-12-13 | 2018-04-13 | 湖南云平环保科技有限公司 | Low liquid-gas ratio high efficiency spray absorption tower |
| CN110180370A (en) * | 2019-05-10 | 2019-08-30 | 华电电力科学研究院有限公司 | A kind of System and method for being bubbled the integrative coordinated removing multiple pollutant of spray |
| CN110152458A (en) * | 2019-05-27 | 2019-08-23 | 邯郸开发区华骐环保科技有限公司 | A kind of full-automatic purifying formaldehyde machine |
| CN111265952A (en) * | 2020-04-08 | 2020-06-12 | 贵州省息烽县长宏铸造有限公司 | Bubbling scrubber for tail gas of cupola furnace |
| CN115228260A (en) * | 2022-08-15 | 2022-10-25 | 中国矿业大学 | A carbon dioxide absorber based on carbon neutrality |
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| CN104174260B (en) | 2016-09-07 |
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