CN108057322A - A kind of integrated absorption tower - Google Patents

Abstract

The present invention relates to a kind of integrated absorption towers, including absorption tower body, cross partition plate, spray tube, Despumation device, deflector, circulation pipe, air admission hole is arranged on the body of absorption tower, and cross partition plate is provided in the body of absorption tower, and spray tube is arranged on the top of cross partition plate；Despumation device is provided with above spray tube, arcuation deflector is arranged on the lower section of cross partition plate, the circulation pipe is arranged on the bottom of absorption tower body, the one side of absorption tower body is additionally provided with liquid stand-by storage, the bottom of liquid stand-by storage is connected with circulation pipe, take over the lower section for being arranged on deflector, one end of connecting tube is connected with absorption tower body, the other end is connected with the top of liquid stand-by storage, assistant connecting pipe is arranged in connecting tube, the one end of assistant connecting pipe away from connecting tube is connected with absorption tower body, and overflow pipe is arranged on above connecting tube.The exhaust gas of multiple workshops can be uniformly processed in the present invention, and of simple structure and low cost, high treating effect.

Description

A kind of integrated absorption tower

Technical field

The invention belongs to chemical equipment technical field, specifically, being related to a kind of integrated absorption tower.

Background technology

With the rapid development of industry, society also increasingly increases the demand of the energy, in coal-fired, fuel oil and the process of oil refining In form substantial amounts of sour gas and particulate matter, a large amount of discharges of these gases seriously endanger the living environment of the mankind, It is one of major pollutants in air.With the strengthening of people's awareness of environmental protection, the governing problem of these gaseous contaminations is also more next It more attracts attention, in order to reduce the discharge of pollutant, enterprise is both provided with gas treatment equipment, existing gas in workshop Body processing unit generally comprises collection port, air-introduced machine, spray absorber composition, is independently discharged by each workshop after exhaust-gas treatment；Example Such as, patent CN 206229153U disclose a kind of absorption tower, and comprising absorption tower body, the absorption tower body has air inlet And gas outlet, absorption tower also include and are successively set on intrinsic first packing layer in the absorption tower, the second filler from lower to upper Layer, the 3rd packing layer, and sequentially form from lower to upper in the absorption tower body first chamber, second chamber, the 3rd chamber, 4th chamber, and the preprocessed chamber of the air inlet is connected with the first chamber.

A kind of novel barrier type air-actuated three-phase fluidization synthetized absorbing towers of patent CN 101081348A, including absorption tower body outside Shell, the air inlet of tower top, outlet passageway, the rotary demisting dehydration device of tower internal upper part, packing support plate, hold-down grid in tower And filler, the concentric tube type barrier component between filler, the circular spray tube liquid distributor on hold-down grid, in inlet channel Heavy caliber against spray apparatus, the absorption slurry pool of bottom in tower.The special grille structure of the device, the regular cyclic stream of filler Change, inverse spray area's foam absorbing the Promethean feature such as is combined with packing material absorbing, can realize gas-liquid in major diameter inner-tower filling material Be uniformly distributed, avoid the fouling and blocking of packing area, improve absorption efficiency, greatly reduce the height of packing layer.

Patent CN 201437071U disclose a kind of multifunctional absorption tower for being mainly used for flue gas desulfurization, pass through by Absorption tower tower body is separated with isolation board and hole is opened up at the top of isolation board and sets the measures such as air guide partition plate, in tower Not only mutual indepedent but also interconnected pretreating zone, intermediate flue and the region of uptake zone three are formed in vivo.Wherein, pretreating zone To demisting after flue gas is washed and washed, intermediate flue is guiding reasonable stream of the flue gas from pretreating zone to uptake zone Dynamic, uptake zone is absorbing SO in flue gas₂With the foam removal of desulfurization fume.

Although above-mentioned emission-control equipment can remove the mesh of sour gas and particulate matter in exhaust gas to a certain extent , but these emission-control equipments are single use, i.e. and a workshop needs to install a set of corresponding emission-control equipment, this So that the exhaust-gas treatment cost of enterprise significantly increases, cause the profit of some enterprise production and managements to reduce, so to exhaust gas at It is normally on and normally off to manage device, effectively exhaust gas can not be handled, thus, emission-control equipment loses its initial design mesh 's.

To sum up, in the prior art, the emission-control equipment of chemical enterprise still has problems, therefore, it is necessary to open The emission-control equipment that send out a set of new, to reduce the exhaust-gas treatment cost of enterprise.

The content of the invention

Problem present in for the above-mentioned prior art, it is an object of the invention to provide a kind of integrated absorption tower, this hairs Bright integrated absorption tower is simple in structure, designs reasonable, of low cost, high treating effect, and can give up to multiple workshops Gas is uniformly processed, and large-scale promotion is suitble to use.

An object of the present invention is to provide a kind of integrated absorption tower.

The second object of the present invention is to provide the application of above-mentioned integrated absorption tower.

For achieving the above object, the invention discloses following technical proposals：

First, the invention discloses a kind of integrated absorption tower, including absorption tower body, cross partition plate, spray tube, foam removal dress It puts, deflector, circulation pipe.

Be provided with air admission hole on the absorption tower body, multiple air admission holes in a ring, be evenly distributed in absorption tower body On, absorption tower body is arranged between adjacent multiple workshops, and air admission hole is connected with the collection port of each workshop.

Preferably, an air admission hole on the absorption tower body is set, because from the angle of use cost, an air admission hole is set When, this way it is not necessary to expand the diameter on absorption tower, it is not required that replace the equipment such as large-scale water pump.

The cross partition plate is provided in the body of absorption tower, positioned at air inlet position, since it is considered that absorption tower body receives The exhaust gas in multiple workshops, since exhaust gas has certain speed, and intake pressure is different, it is easy to and air inlet is caused not to be obstructed freely, Even there is the phenomenon that blowback, to solve the above-mentioned problems, the present invention sets cross partition plate, cross partition plate in the body of absorption tower Each air admission hole is separated, in this way, after from the backblast that air admission hole is come in cross partition plate, is moved upwards, this addresses the problem The problem of air inlet.

Preferably, cross partition plate is made of quieter material, noise caused by reduce backblast, improves workshop condition.

The spray tube is arranged on the top of cross partition plate, and desulfurization is carried out to exhaust gas from the spray liquid that spray tube sprays Deacidification, achievees the purpose that environment protection emission.

Despumation device is provided with above the spray tube, because present spray is mainly atomizing spray, exhaust gas is upper During rising, it can rise with the liquid foam of a part of spray liquid, to solve the above-mentioned problems, the present invention is in the top of spray tube Despumation device is provided with, main function is exactly mainly that liquid foam is made to form water droplet, and concentration is dripped.

The deflector is arranged on the lower section of cross partition plate.The effect of deflector is the mesh that spray liquid is made to reach centralized collection , droplets of spray liquid is avoided to be sputtered caused by quickly falling,

Preferably, deflector is in arcuation, and this shape not only contributes to slow down impact when spray liquid falls, also can be true The exhaust gas protected into absorption tower body moves upwards after being impacted, and guide functions are played to exhaust gas.

It is further preferred that the deflector is made of quieter material, caused by reducing the impact of exhaust gas and spray liquid Noise improves workshop condition.

The circulation pipe is arranged on the bottom of absorption tower body, and circulation pipe is connected with spray tube, is set on the circulation pipe Valve and water pump are put, to realize the recycling of the spray liquid to the bottom of absorption tower body.

The water pump includes：First water pump, the second water pump, the valve include：First valve, the second valve, the 3rd valve Door, the 4th valve, by the driving of water pump, first water pump, the first valve, the 3rd valve by the bottom of absorption tower body with Spray tube connects；Second water pump, the second valve, the 4th valve are by the bottom of the bottom of absorption tower body and liquid stand-by storage Portion connects.

The Despumation device includes：Demister；Aid in demister；Connecting rod.

The demister includes：Fixed frame；First grid；Fixed frame is in coniform, is fixed on absorption tower body On inner wall, the first grid is arranged on the side of fixed frame, constituted between fixed frame it is coniform, in order to improve foam removal effect Fruit, the cone of demister are set downward, by multiple spaced demisters, can effectively remove most of liquid foam.

The auxiliary demister includes：Device for fixing screen on headrest, the second grid；The auxiliary demister is fixed on demister In the absorption tower inner body wall of side, device for fixing screen on headrest is annular shape, and the second grid is arranged in annulus.

Preferably, the demister is 3, and auxiliary demister is 4.

In order to improve demister and aid in the stability of demister, the present invention is also provided with connecting rod, and the connecting rod is passed through Fixed frame and device for fixing screen on headrest central point are worn, the stability of connecting rod is embodied in three aspects：(1) fixed frame and auxiliary are fixed Frame is fixedly connected, and is dropped after avoiding one of damage, influences other demisters and auxiliary demister to exhaust-gas treatment； (2) intensity of fixed frame and device for fixing screen on headrest is increased；(3) ensure the shape of fixed frame and device for fixing screen on headrest, improve entire foam removal The stability of device.

The one side of the absorption tower body is additionally provided with liquid stand-by storage, and bottom and the circulation pipe of liquid stand-by storage connect It is logical, it because after spray liquid recycles one end time, can not just be continuing with, in order to realize that dosing dressing is switched fast, love is inhaled Receive tower body one side also set up liquid stand-by storage, in this way, when the intrinsic spray liquid in absorption tower can not use after, arranged Go out, then proceed to, using spray liquid in the liquid stand-by storage got ready, continue to handle exhaust gas.

Connecting tube is provided with below the deflector, one end of connecting tube is connected with absorption tower body, the other end and medicine The top connection of liquid stand-by storage, the effect of connecting tube is to avoid the intrinsic spray liquid in absorption tower excessive, overflows deflector Top, the presence of connecting tube can make extra liquid enter liquid stand-by storage from absorption tower body, spare.

The assistant connecting pipe is arranged in connecting tube, and the one end of assistant connecting pipe away from connecting tube connects with absorption tower body It is logical, because spray liquid, after a period of time is recycled, detergent power can decline, should not extra spray liquid be passed through into company again It takes over and is discharged into storage tank, at this point, the connection tube valve in connecting tube can be closed, make discarded spray liquid just in connecting tube With the cycling of assistant connecting pipe, spray liquid is avoided to overflow the top of deflector.

The overflow pipe is arranged on the top of connecting tube, and when absorption tower, intrinsic spray liquid is excessive, it is difficult to pass through storage again When tank is stored, spray liquid will be discharged from overflow pipe automatically, and spray liquid is avoided to flow out absorption tower body from air admission hole.

The use principle of the present invention：It, first will be on the gas sampling mouth of each workshop and absorption tower body during work Air admission hole connects, and exhaust gas is separated by cross partition plate after entering absorption tower body, the exhaust gas of each air admission hole is avoided blowback occur, is caused Air inlet is not obstructed freely, while part is moved upwards again by the gas to flow downward after cross spacers block under deflector effect. While being passed through exhaust gas, the first water pump, the first valve, the 3rd valve on ON cycle pipe, water pump is by absorption tower body bottom portion The spray liquid got ready be transported to by circulation pipe in spray tube, into absorption tower body exhaust gas carry out desulfurization deacidification, when Exhaust gas with spray liquid liquid foam is risen with certain speed, and when passing through Despumation device, the effect of inertia that liquid foam rises causes Liquid foam and the first grid are collided and are adhered on the surface of the first grid；As the liquid foam on the first grid net surface is into one Step increases, and under self gravitation settlement action, liquid foam forms larger drop, and its intertexture is flow to along the first grid Place；Since the first grid has the capillarity of wettable, the surface tension of liquid and filament so that drop is increasingly Greatly, when drop itself gravity be more than gas rise buoyancy and surface tension of liquid make a concerted effort when, will be separated with grid It is fallen under and on deflector, when falling behind under spray liquid, the bottom of absorption tower body is flowed into along deflector, continues on for exhaust gas Desulfurization deacidifies, and the second grid being fixed on device for fixing screen on headrest can further remove the liquid that the first grid does not eliminate Foam.When the spray liquid of absorption tower body bottom portion is excessive, be first turned on connecting tube and connection tube valve, allow extra spray liquid into Enter liquid stand-by storage, after a period of time is cycled, the detergent power of spray liquid can decline, and should not again lead to extra spray liquid It crosses connecting tube to be discharged into storage tank, at this point, the connection tube valve in connecting tube can be closed, opens the valve on assistant connecting pipe Door, makes discarded spray liquid just in connecting tube and the cycling of assistant connecting pipe；As spray liquid continues cycling through use, spray liquid loses Go detergent power become waste liquid, close the first water pump, the first valve, the 3rd valve, discharge waste liquid, open simultaneously the second water pump, Spray liquid in liquid stand-by storage is transported in spray equipment by the second valve, the 4th valve by water pump, continue to exhaust gas into Row processing after spray liquid is all transported to by circulation pipe in the body of absorption tower in storage tank, opens the first water pump, the first valve Door, the 3rd valve close the second water pump, the second valve, the 4th valve, and the spray liquid got ready again in storage tank is for use, so may be used Exhaust gas is handled incessantly with realizing, spray liquid is replaced without stopping production.

Secondly, the invention discloses the application of above-mentioned integrated absorption tower, the application is included for chemical industry, field of Environment Protection In.

Compared with prior art, the present invention achieves following advantageous effect：

(1) present invention can also be used as secondary waste gas treatment equipment as a waste gas treatment equipment, if enterprise Corresponding gas treatment equipment is already provided with, it can be by the air inlet of the gas treatment equipment and the multifunctional absorption tower of the present invention Hole is attached, and so multifunctional absorption tower of the invention is as secondary waste gas treatment equipment；In addition, can directly by the present invention with The gas sampling mouth of factory is directly connected to, and so multifunctional absorption tower of the invention is as a waste gas treatment equipment.

(2) present invention is effective using the multiple air admission holes for being arranged on absorption tower body by providing a kind of integrated absorption tower The tail gas in multiple workshops is collected, meanwhile, using the setting of cross partition plate, solve the air pressure of various inlet gas inlet hole not Together, the problem of air inlet is not obstructed freely realizes multiple workshop tail gas uniform effluents, reduces the purpose of enterprise's exhaust-gas treatment cost, Improve the income of enterprise.

(3) the Despumation device foam removal excellent effect in integrated absorption tower of the present invention, as long as the selection of the conditions such as operating gas velocity When after gas is by Despumation device, foam removal efficiency can reach more than 97%, fully achieve the purpose of removal mist.

(4) integrated absorption tower of the invention is simple in structure, easy to process, design is reasonable, is suitble to push away on a large scale convenient for monitoring It is wide to use.

Description of the drawings

The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows Meaning property embodiment and its explanation do not form the improper restriction to the application for explaining the application.

Fig. 1 is the structure diagram of the integrated absorption tower of the embodiment of the present invention.

Fig. 2 is the air-suction state figure of the integrated absorption tower of the embodiment of the present invention.

Fig. 3 is the structure diagram of the Despumation device of the embodiment of the present invention.

Fig. 4 is the structure diagram of the cross partition plate of the embodiment of the present invention.

Attached drawing acceptance of the bid, which is scored, not to be represented：1- absorption towers body, 11- air admission holes, 2- crosses partition plate, 3- spray tubes, 4- foam removals Device, 41- demisters, 411- fixed frames, the first grids of 412-, 42- auxiliary demister, 421- device for fixing screen on headrest, 422- the Two grids, 43- connecting rods, 5- deflectors, 6- circulation pipes, the first water pumps of 61-, the second water pumps of 62-, the first valves of 63-, 64- Second valve, the 3rd valves of 65-, the 4th valves of 66-, 7- liquids stand-by storage, 8- connecting tubes, 81- connection tube valves, 9- auxiliary Connecting tube, 91- assistant connecting pipes valve, 10- overflow pipes.

Specific embodiment

It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.It is unless another It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.

It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " bag Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.

As described in background, existing emission-control equipment still has cumbersome, of high cost, treatment effect not The problems such as preferable, therefore, the present invention, propose a kind of multifunctional absorption tower, further to the present invention in conjunction with embodiment and attached drawing It illustrates.

Embodiment：

Such as Fig. 1-3, a kind of integrated absorption tower including absorption tower body 1, cross partition plate 2, spray tube 3, Despumation device 4, is led Flowing plate 5, circulation pipe 6.

Be provided on the absorption tower body 1 11,4 air admission holes of air admission hole in a ring, be evenly distributed in absorption tower sheet On body 1, absorption tower body 1 is mounted between adjacent multiple workshops, and the collection port of air admission hole 11 and 4 workshops connects It is logical；Cross partition plate 2 is provided in absorption tower body 1, cross partition plate 2 is made of quieter material, and the spray tube 3 is arranged on cross The top of partition plate 2；The top of spray tube 3 is provided with Despumation device 4.

Arcuation deflector 5 is arranged on the lower section of cross partition plate 2, and deflector is made of foamed material, absorption tower body 1 Bottom is provided with circulation pipe 6, and circulation pipe 6 is connected with spray tube 3, is provided on the circulation pipe 6 for spray tube 6 is controlled to open The valve of conjunction.

Despumation device 4 includes：Demister 41, auxiliary demister 42, connecting rod 43.Demister 41 includes 411 He of fixed frame Grid 412；Fixed frame 411 is in coniform, is fixed on the inner wall of absorption tower body 1, grid 412 is arranged on fixed frame Constitute coniform between 411 side, with fixed frame 411, in order to improve foam removal effect, the cone of demister 41 is towards dividing into It puts.

Auxiliary demister 42 includes：421 and second grid 422 of device for fixing screen on headrest；42 auxiliary demisters are fixed on 41 and remove On 1 inner wall of absorption tower body above foam device, device for fixing screen on headrest 421 is annular shape, and grid 412 is provided in annulus.For It improves demister 41 and aids in the stability of demister 42, the present invention is also provided with connecting rod 43, and connecting rod 43 is through fixing 421 central point of frame 411 and device for fixing screen on headrest.

The circulation pipe 6 is arranged on the bottom of absorption tower body 1, and the first water pump 61, the second water are provided on circulation pipe 6 The 62, first valve 63, the second valve 64, the 3rd valve 65, the 4th valve 66 are pumped, by the driving of water pump, is realized to absorption tower The recycling of the spray liquid of the bottom of body 1.

The one side of absorption tower body 1 is additionally provided with liquid stand-by storage 7, and bottom and the circulation pipe 6 of liquid stand-by storage 7 connect It is logical.

Take over 8 is arranged on the lower section of deflector 5, and one end of connecting tube 8 is connected with absorption tower body 1, the other end and liquid The top connection of stand-by storage 7.

Assistant connecting pipe 9 is arranged in connecting tube 8, the one end of assistant connecting pipe 9 away from connecting tube 8 and absorption tower body 1 Connection；Overflow pipe 10 is arranged on the top of connecting tube 8.

When the sulphur-containing exhaust gas generated using the integrated absorption tower of the present invention to oil refining is handled, first by 4 production vehicles Between gas sampling mouth be connected with 4 air admission holes 11 on absorption tower body 1, exhaust gas enter after absorption tower body 1 by cross every After plate 2 separates, and the exhaust gas of each air admission hole is avoided blowback occur, and air inlet is caused not to be obstructed freely, while part is stopped by cross partition plate 4 The gas to flow downward moves upwards again under the action of deflector 5.While being passed through exhaust gas, first on ON cycle pipe 6 Water pump 61, the first valve 63, the 3rd valve 65, the first water pump 61 is by the spray liquid got ready of 1 bottom of absorption tower body by following Endless tube 6 is transported in spray tube 3, desulfurization deacidification is carried out to the exhaust gas into absorption tower body 1, when useless with spray liquid liquid foam Gas is risen with certain speed, and when passing through Despumation device 4, the effect of inertia that liquid foam rises causes liquid foam and the first metallic grid 412 nets are collided and are adhered on the surface of the first grid 412；As the liquid foam on 412 surface of the first grid further increases More, under self gravitation settlement action, liquid foam forms larger drop, and is flow to along the first grid 412 at its intertexture； Since the first grid 412 has the capillarity of wettable, the surface tension of liquid and filament so that drop is increasingly Greatly, when drop itself gravity be more than gas rise buoyancy and surface tension of liquid make a concerted effort when, will be separated with grid It is fallen under and on deflector, when falling behind under spray liquid, the bottom of absorption tower body 1 is flowed into along deflector, continues on for exhaust gas Desulfurization deacidification, and 422 second grids being fixed on 421 device for fixing screen on headrest can further remove the first grid and not remove Most liquid foam, when setting 3 demisters and 4 auxiliary demisters, foam removal efficiency can reach more than 97%, fully achieve Remove the purpose of mist.

When the spray liquid of 1 bottom of absorption tower body is excessive, connecting tube 8 and connection tube valve 81 are first turned on, it is extra to allow Spray liquid enter liquid stand-by storage 7, after a period of time is cycled, the detergent power of spray liquid can decline, should not again will be more Remaining spray liquid is discharged by connecting tube 8 in storage tank 7, at this point, the connection tube valve 81 in connecting tube 8 can be closed, is beaten The valve 91 on assistant connecting pipe 9 is opened, makes discarded spray liquid just in connecting tube 8 and the cycling of assistant connecting pipe 9；With spray Liquid continues cycling through use, and spray liquid loses detergent power as waste liquid, closes the first water pump 61, the first valve 63, the 3rd valve 65, waste liquid is discharged, opens simultaneously the second water pump 62, the second valve 64, the 4th valve 66, it is by the second water pump 62 that liquid is spare Spray liquid is transported in spray equipment 3 in storage tank 7, continues to handle exhaust gas, when spray liquid is complete by circulation pipe in storage tank 7 After portion is transported in the body of absorption tower, the first water pump 61 of opening, the first valve 63, the 3rd valve 65, the second water pump 62 of closing, Second valve 64, the 4th valve 66, the spray liquid got ready again in storage tank 7 is for use, can so realize incessantly to exhaust gas It is handled, spray liquid is replaced without stopping production.

The foregoing is merely the preferred embodiments of the application, are not limited to the application, for the skill of this field For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.

Claims (10)

1. a kind of integrated absorption tower, it is characterised in that：Including absorption tower body, cross partition plate, spray tube, Despumation device, water conservancy diversion Plate, circulation pipe；

Multiple air admission holes are provided on the absorption tower body；

The cross partition plate is provided in the body of absorption tower, positioned at air inlet position；

The spray tube is arranged on the top of cross partition plate；

The Despumation device is arranged on the top of spray tube；

The deflector is arranged on the lower section of cross partition plate；

The circulation pipe is arranged on the bottom of absorption tower body, and circulation pipe is connected with spray tube, is provided on the circulation pipe Valve and water pump.

2. integrated absorption tower as described in claim 1, it is characterised in that：The deflector is in arcuation；Preferably, the water conservancy diversion Plate is made of quieter material；Preferably, the cross partition plate is made of quieter material；Preferably, set on the absorption tower body Put 4 air admission holes.

3. integrated absorption tower as described in claim 1, it is characterised in that：It is standby that the one side of the absorption tower body is provided with liquid With storage tank, the bottom of liquid stand-by storage is connected with circulation pipe.

4. integrated absorption tower as claimed in claim 3, it is characterised in that：The water pump includes the first water pump, the second water pump；Institute Stating valve includes the first valve, the second valve, the 3rd valve, the 4th valve；

First water pump, the first valve, the 3rd valve connect the bottom of absorption tower body with spray tube；

Second water pump, the second valve, the 4th valve connect the bottom of absorption tower body with the bottom of liquid stand-by storage.

5. integrated absorption tower as claimed in claim 3, it is characterised in that：Connecting tube is provided with below the deflector, even The one end taken over is connected with absorption tower body, and the other end is connected with the top of liquid stand-by storage.

6. integrated absorption tower as claimed in claim 5, it is characterised in that：Assistant connecting pipe is additionally provided in the connecting tube, The one end of assistant connecting pipe away from connecting tube is connected with absorption tower body.

7. integrated absorption tower as claimed in claim 3, it is characterised in that：Overflow pipe is provided with above the connecting tube.

8. such as claim 1-7 any one of them integrated absorption towers, it is characterised in that：The Despumation device includes：Demister, Aid in demister, connecting rod；

Preferably, the demister includes：Fixed frame, the first grid, the fixed frame are fixed on the inner wall of absorption tower body On, fixed frame is in coniform, and the first grid is arranged on the side of fixed frame, is constituted between fixed frame coniform；It is preferred that , the cone of demister is set downward；

Preferably, the auxiliary demister includes：Device for fixing screen on headrest, the second grid；The auxiliary demister is fixed on foam removal On the inner wall of absorption tower body above device, device for fixing screen on headrest is annular shape, and the second grid is arranged in annulus；

Preferably, the demister is 3, and auxiliary demister is 4.

9. integrated absorption tower as claimed in claim 8, it is characterised in that：The connecting rod runs through fixed frame and device for fixing screen on headrest Central point.

10. such as application of the claim 1-9 any one of them integrated absorption tower in chemical industry, field of Environment Protection.