CN105413444B - Single-tower dual-cycle wet flue gas desulfurization tower and tube groove type liquid collection device - Google Patents

Single-tower dual-cycle wet flue gas desulfurization tower and tube groove type liquid collection device Download PDF

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Publication number
CN105413444B
CN105413444B CN201610004790.XA CN201610004790A CN105413444B CN 105413444 B CN105413444 B CN 105413444B CN 201610004790 A CN201610004790 A CN 201610004790A CN 105413444 B CN105413444 B CN 105413444B
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CN
China
Prior art keywords
collecting tube
liquid collecting
tower
tube seat
flue gas
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CN201610004790.XA
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Chinese (zh)
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CN105413444A (en
Inventor
崔琳
秦名臣
马春元
董勇
张立强
王志强
王鹏
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山东大学
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/80Semi-solid phase processes, i.e. by using slurries
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/48Sulfur compounds
    • B01D53/50Sulfur oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/30Sulfur compounds
    • B01D2257/302Sulfur oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/12Methods and means for introducing reactants
    • B01D2259/126Semi-solid reactants, e.g. slurries

Abstract

The invention provides a single-tower dual-cycle wet flue gas desulfurization tower and a tube groove type liquid collection device, and belongs to the technical field of flue gas desulfurization. The desulfurization tower comprises a tower body, the bottom of the tower body is provided with a flue gas inlet, the top of the tower body is provided with a flue gas outlet, an upper spray layer and a lower spray layer are arranged on the portion, between the flue gas inlet and the flue gas outlet, inside the tower body, and the tube groove type liquid collection device is installed between the upper spray layer and the lower spray layer and separates slurry of the upper spray layer from slurry of the lower spray layer; the tube groove type liquid collection device comprises multiple liquid collection tube grooves which are formed for multiple layers in the longitudinal direction, the two adjacent layers of the liquid collection tube grooves are arranged in a staggered mode, the liquid collection tube grooves are arranged in an inclined mode, and the lower ends of the liquid collection tube grooves are communicated with a diversion groove. According to the single-tower dual-cycle wet flue gas desulfurization tower and the tube groove type liquid collection device, the flow field is uniformly distributed, the resistance loss of the structural design is small, and the contact effect between the gas and liquid is good. Therefore, the slurry of the upper spray layer can be collected, the system resistance can be reduced, and the desulphurization efficiency is improved.

Description

A kind of single column Two-way Cycle wet flue gas desulfurization tower and tube and tank type liquid collector

Technical field

The present invention relates to flue gas desulfurization technique field, specifically a kind of single column Two-way Cycle wet flue gas desulfurization tower and pipe Slot type liquid collector.

Background technology

At present, the atmosphere pollution that coal-burning power plant leads to receives increasing attention, and China is to coal-fired power plant's atmosphere pollution Discharge standard is also increasingly stricter, and up-to-date fossil-fuel power plant atmospheric pollutant emission standard (GB 13223-2011) is to SO2Discharge limit Value raising is larger, typically requires in 100mg/Nm3Within, some areas require 50mg/Nm3.And《Coal electricity energy-saving and emission-reduction upgrading with Transformation action plan (2014-2020)》In then propose " eastern region Thermal generation unit SO2Concentration of emission basically reaches combustion gas The requirement of turbine emission limit ", that is, require SO2Emission limit 35mg/Nm3.This requires desulfuration efficiency to have to reach 98%, very Emission request could be met to more than 99%, now, traditional single column single cycle Wet Flue Gas Desulfurization Technique has been difficult to realize this target.

Single column Two-way Cycle Wet Flue Gas Desulfurization Technology is proposed by German Knoll Inc. earliest, and in its absorption tower, flue gas divides two-stage Washing:Bottom mainly cools down, pre-wash flue gas and calcium sulfite oxidation becomes gypsum, and the pH value of lower closed circuit is 4.0- 5.0;Top then acts primarily as absorption SO2Effect, the pH value of upper closed circuit is 5.5-6.5.Behind the cooled area of flue gas, pass through Liquid collector deflector enters the absorption circuit on top.This technology has good SO2Load fluctuation buffer capacity, is particularly suitable for Means of flue gas desulfurization of power plant in high sulfur content, high desulfurization efficiency.

In single column Two-way Cycle Wet Flue Gas Desulfurization Technology, liquid collector is its key core device, and its effect is that to have The upper and lower loop slurry of different pH value separates, to ensure two closed circuit independent controls.

At present, those skilled in the relevant art are mainly cone bucket form for the research of liquid collector, such as:United States Patent (USP) US The technical scheme that 4250152A, US 4322392A and US 7294322 B2 and Chinese patent CN 203494395 U is provided It is the liquid collector of cone bucket form, United States Patent (USP) US 5451250A is perforate on the liquid collector of cone bucket form.China is specially Sharp CN 102764583 A discloses a kind of liquid collector of swash plate form, slurries can be made to flow to side and discharge in order to slurries. Above-mentioned patent document represents the more advanced achievement in research for liquid collector in the art, but, above-mentioned All there is following drawback in liquid collector:Flue gas flow through these liquid collectors be recycled into by down circulation during, often Cause larger drag losses, flue gas flow rate yet can become uneven of distribution in upper closed circuit be not so that in tower gas-liquid contact is Fully, mass transfer ability declines, and finally affects desulfuration efficiency.

Content of the invention

For the problems referred to above, it is an object of the invention to provide a kind of single column Two-way Cycle wet flue gas desulfurization tower and tube and tank type Liquid collector, this desulfurizing tower and liquid collector not only enable the collection of spraying layer slurries, and by all stream of tube seat, can To obtain more preferable gas-liquid flow field distribution, strengthen gas-liquid mass transfer performance, improve desulfuration efficiency.

The present invention solves its technical problem and is adopted the technical scheme that:A kind of tube and tank type liquid collector, including some collection Liquid pipe groove, liquid collecting tube seat is provided with multilayer in the vertical, and adjacent two-layer liquid collecting tube seat is staggered to accept what top fell Liquid, gap between liquid collecting tube seat forms exhaust gases passes, and described liquid collecting tube seat is in tilted layout, the low side of liquid collecting tube seat and water conservancy diversion Groove is connected, and the bottom surface of guiding gutter is inclined plane.

Liquid collecting tube seat is used for collecting the slurries of spraying layer, the slurries of spraying layer will be avoided to fall into lower spraying layer, enter one Step, the liquid collecting tube seat positioned at same layer is evenly arranged, and on same layer, the distance between two adjacent liquid collecting tube seats are not more than Width at liquid collecting channel openings.Meanwhile, resistance when reduction flue gas as far as possible runs up again, accordingly, it is preferred that scheme It is equal to the width at liquid collecting channel openings for the distance between adjacent two liquid collecting tube seats on same layer.

Liquid collecting tube seat for making flue gas smoothly arrange by groove grating reduces drag losses, further skill simultaneously as far as possible Art scheme is:Adjacent two-layer liquid collecting tube seat is parallel to each other, and the distance between upper strata liquid collecting tube seat and lower floor's liquid collecting tube seat be not little The distance between two adjacent liquid collecting tube seats on same layer.

A kind of selectable technical scheme is:Described liquid collecting tube seat is symmetrical in the both sides of guiding gutter.Guiding gutter exists Middle part is connected with whole liquid collecting tube seats simultaneously, and one end that liquid collecting tube seat is connected with guiding gutter is less than the other end, so that whole Body liquid collecting tube seat constitutes " V " shape arrangement, and this kind of arrangement compact conformation is simultaneously easy to slurries in liquid collecting tube seat into guiding gutter Collect.

Another kind of selectable technical scheme is:Described liquid collecting tube seat is symmetrical in the both sides of a support bar, water conservancy diversion Grooved ring is wound on liquid collecting tube seat one end away from support bar.Guiding gutter be located at liquid collecting tube seat outer end and simultaneously with whole collector tubes Groove is connected, and one end that liquid collecting tube seat is connected with guiding gutter is less than the other end, so that overall liquid collecting tube seat constitutes " Λ " shape row Row.The guiding gutter of this kind of arrangement is located at liquid collecting tube seat outer position, that is, be located at desulfurizing tower wall, and now guiding gutter also can rise Effect to flue gas collector ring, it is to avoid flue gas forms " short-circuit " in tower wall face, can further improve desulfuration efficiency.

Another selectable technical scheme is:Described liquid collecting tube seat entirety is to same direction oblique arrangement, guiding gutter It is connected positioned at the low side of liquid collecting tube seat and with whole liquid collecting tube seats simultaneously.The guiding gutter of this kind of arrangement is located at collector tube Groove outer position, that is, be located at desulfurizing tower wall, and now guiding gutter may also function as the effect of flue gas collector ring, it is to avoid flue gas is in tower wall Face forms " short-circuit ", can further improve desulfuration efficiency.

Affect to allow slurries readily flowed for avoiding flow of flue gas is produced, further technical scheme is simultaneously:Described lead The bottom surface of chute includes the internal layer bottom surface with slurry liquid contacts and the outer layer bottom surface with smoke contacts, and internal layer bottom surface is inclined plane, outward Layer bottom surface is horizontal plane.

In order to reduce the drag losses of flue gas, further technical scheme is:Described liquid collecting tube seat is the length of top end opening Strip groove, the cross section of liquid collecting tube seat is semicircle, circular arc, flat " u "-shaped or " V " shape, and the opening of liquid collecting tube seat is straight Footpath is 100mm~300mm.

Slurries for ensureing the collection of liquid collecting tube seat are smoothly pooled to guiding gutter and discharge through guiding gutter, and that tries one's best subtracts simultaneously The little impact to gas-liquid exchange, further technical scheme is:Angle between described liquid collecting tube seat and horizontal plane is 2 °~8 °; Angle between the bottom surface of described guiding gutter and horizontal plane is 2 °~8 °.If angle is too little, slurries can not smoothly flow out, and leads Slurries are caused to overflow in liquid collecting tube seat;If angle is too big, the length of liquid collecting tube seat can be led to increase excessive, flue gas also can be made to exist The flow process of upper spraying layer shortens.

The technical scheme that the present invention solves its technical problem also includes:A kind of single column Two-way Cycle wet flue gas desulfurization tower, bag Include tower body, the bottom of tower body is provided with smoke inlet, and the top of tower body is provided with outlet flue, inside tower body between smoke inlet and outlet flue It is provided with spraying layer and lower spraying layer, on described, between spraying layer and lower spraying layer, above-mentioned tube and tank type liquid collector is installed, The slurries of upper spraying layer and lower spraying layer are separated by tube and tank type liquid collector, the described minimum point of guiding gutter and slurry reflux Pipe is connected, and the slurries that guiding gutter collects are transported to outside tower body by slurry reflux pipe.

Firm for ensureing that tube and tank type liquid collector is installed, further technical scheme is:The interior table of described tower body sidewall Face is provided with liquid collector bracing frame, and tube and tank type liquid collector is arranged on inside tower body by liquid collector bracing frame.

Smoothly slurries are delivered to the outer high ph-values recycle slurry liquid case of desulfurizing tower, further skill for ease of slurry reflux pipe Art scheme is:Described slurry reflux pipe is in tilted layout, and the angle between slurry reflux pipe and horizontal plane is 10 °~30 °.

The invention has the beneficial effects as follows:

1st, the multi-layer intercrossed arrangement of liquid collecting tube seat, forms groove grating liquid collector, and Flow Field Distribution uniformly, can either be by upper spray The slurries of layer and lower spraying layer separate, and can reduce the drag losses of flue gas, gas-liquid contact effect is good again, therefore, can be in reality Reduce SR while now collecting upper spraying layer slurries, improve desulfuration efficiency.

2nd, when guiding gutter is located at liquid collecting tube seat outer position, that is, be located at desulfurizing tower wall, guiding gutter may also function as flue gas The effect of collector ring, it is to avoid flue gas forms " short-circuit " in tower wall face, can further improve desulfuration efficiency.

Brief description

Fig. 1 is the structural representation of embodiment of the present invention desulfurizing tower;

Fig. 2 is that in Fig. 1, tube and tank type liquid collector is arranged on the partial enlargement structural representation in desulfurizing tower;

Fig. 3 is the structural representation of the embodiment of the present invention one tube and tank type liquid collector;

Fig. 4 is the structural representation of the embodiment of the present invention two tube and tank type liquid collector;

Fig. 5 is the structural representation of the embodiment of the present invention three tube and tank type liquid collector.

In figure:1 tower body, 2 liquid collecting tube seats, 3 slurry reflux pipes, 4 liquid collector bracing frames, 5 guiding gutters, 6 support bars, 7 enter Mouth, 8 outlet flues, 9 high ph-values slurry tanks.

Specific embodiment

With reference to Figure of description and specific embodiment, the invention will be further described:

Embodiment one:

As shown in Figure 3.A kind of tube and tank type liquid collector, including some liquid collecting tube seats 2, liquid collecting tube seat 2 is top end opening Strip semicircle tube seat, liquid collecting tube seat 2 is provided with two-layer in the vertical, and two-layer liquid collecting tube seat 2 is staggered, positioned at the collection of same layer Liquid pipe groove is evenly arranged, and on same layer, the distance between two adjacent liquid collecting tube seats are equal to the width at liquid collecting channel openings, Realize collecting and while upper spraying layer slurries, reduce SR, the gap between liquid collecting tube seat 2 forms exhaust gases passes, collector tube Groove 2 is connected with guiding gutter 5 thus the slurries of collection are pooled to guiding gutter 5.

For making the liquid collecting tube seat that flue gas smoothly arranged by groove grating reduce drag losses simultaneously as far as possible, adjacent two-layer Liquid collecting tube seat 2 is parallel to each other, and the distance between upper strata liquid collecting tube seat and lower floor's liquid collecting tube seat are not less than adjacent two on same layer The distance between individual liquid collecting tube seat.

Liquid collecting tube seat 2 is in tilted layout, and the angle between liquid collecting tube seat 2 and horizontal plane is 6 °, and liquid collecting tube seat 2 is in guiding gutter 5 Both sides symmetrical.Guiding gutter 5 is connected with whole liquid collecting tube seats 2 at middle part simultaneously, and liquid collecting tube seat 2 is with guiding gutter 5 even Logical one end is less than the other end, so that liquid collecting tube seat 2 is monolithically fabricated " V " shape arrangement, compact conformation is simultaneously easy in liquid collecting tube seat 2 Slurries collect into guiding gutter 5.

Slurries for ensureing liquid collecting tube seat 2 collection are smoothly discharged through guiding gutter 5, and the bottom surface of guiding gutter 5 is inclined plane, leads Angle between the bottom surface of chute 5 and horizontal plane is 6 °.

The cross section of liquid collecting tube seat 2 is semicircle, and the opening diameter of liquid collecting tube seat is 200mm.

As shown in Figure 1 and Figure 2, a kind of single column Two-way Cycle wet flue gas desulfurization tower, including tower body 1, the bottom of tower body 1 is provided with Smoke inlet 7, the top of tower body 1 is provided with outlet flue 8, be provided between smoke inlet 7 and outlet flue 8 inside tower body 1 spraying layer and Lower spraying layer, is provided with the tube and tank type liquid collector shown in Fig. 2 on described between spraying layer and lower spraying layer, described water conservancy diversion The minimum point of groove 5 is connected with slurry reflux pipe 3, and the slurries that guiding gutter 5 collects are transported to outside tower body by slurry reflux pipe 3 High ph-values slurry tank 9, thus the slurries of upper spraying layer and lower spraying layer are separated.

The inner surface of tower body 1 side wall is provided with liquid collector bracing frame 4, and tube and tank type liquid collector is supported by liquid collector Frame 4 is arranged on inside tower body 1.It is right that liquid collector bracing frame 4 can be realized using block structure, laminated structure or rod-like structure The support of tube and tank type liquid collector.

Slurry reflux pipe 3 is in tilted layout, and the angle between slurry reflux pipe 3 and horizontal plane is 20 °.

For ease of the understanding of the present invention, with reference to its operation principle, the invention will be further described:

As shown in Figure 1 and Figure 2, flue gas passes through tube and tank type liquid collector from bottom to top after lower spraying layer, with upper spraying layer Slurries inversely contact, and the liquid collecting tube seat 2 of multilayer staggered arrangement serves the effect of all stream to flue gas, the carrying of smoke distribution uniformity Height is conducive to gas-liquid preferably to contact, and improves desulfuration efficiency.Spraying layer spray on the flue gas after liquid collector with desulfurizing tower Slurries counter current contacting carry out desulfurization, the flue gas after purification is discharged to chimney from desulfurizing tower outlet flue.The slurry of upper spraying layer spray Liquid is collected by liquid collecting tube seat 2, and liquid collecting tube seat 2 is tilt, and guiding gutter 5 is coupled logical in the relatively low one end of liquid collecting tube seat 2, To facilitate the slurries in liquid collecting tube seat 2 to collect to the guiding gutter 5 at middle part under gravity.There is the gradient, side inside guiding gutter 5 Just the slurries collecting in guiding gutter 5 enter slurry reflux pipe 3 and are back to high ph-values slurry tank 9.

Embodiment two:

The present embodiment is repeated no more with embodiment one identical feature, and the present embodiment feature different from embodiment one exists In:As shown in figure 4, liquid collecting tube seat 2 is symmetrical in the both sides of a support bar 6, guiding gutter 5 be looped around liquid collecting tube seat 2 away from One end of strut 6.Guiding gutter 5 is located at the outer end of liquid collecting tube seat 2 and is connected with whole liquid collecting tube seats 2 simultaneously, liquid collecting tube seat 2 The one end connecting with guiding gutter 5 is less than the other end, so that liquid collecting tube seat 2 is monolithically fabricated the arrangement of " Λ " shape.

Ensure that slurries are readily flowed for avoiding flow of flue gas is produced with impact simultaneously, the bottom surface of described guiding gutter 5 include with The internal layer bottom surface of slurry liquid contacts and the outer layer bottom surface with smoke contacts, internal layer bottom surface is inclined plane, and outer layer bottom surface is horizontal plane, that is, The mode of the gradient and guiding gutter 5 outer bottom holding level is played in setting inside guiding gutter 5.

The operation principle of the present embodiment is identical with embodiment one, in addition, the guiding gutter of the present embodiment is located at outside liquid collecting tube seat 2 Along position, that is, it is located at the wall of desulfurizing tower tower body 1, now guiding gutter 5 may also function as the effect of flue gas collector ring, it is to avoid flue gas exists Tower body 1 wall forms " short-circuit ", can further improve desulfuration efficiency.

Embodiment three:

The present embodiment is repeated no more with embodiment one identical feature, and the present embodiment feature different from embodiment one exists In:As shown in figure 5, described liquid collecting tube seat 2 is overall tilting to same direction, guiding gutter 5 is located at the relatively low one end of liquid collecting tube seat 2 And be connected with whole liquid collecting tube seats 2 simultaneously.

In the present embodiment, guiding gutter 5 is located at the edge placement of whole tube seat liquid collector, for avoiding flow of flue gas is produced Impact ensures that slurries are readily flowed simultaneously, and the bottom surface of described guiding gutter 5 is included the internal layer bottom surface with slurry liquid contacts and connect with flue gas Tactile outer layer bottom surface, internal layer bottom surface is inclined plane, and outer layer bottom surface is horizontal plane, arrange inside guiding gutter 5 in the gradient and Guiding gutter 5 outer bottom keeps the mode of level.

The operation principle of the present embodiment is identical with embodiment two, likewise, the guiding gutter of the present embodiment is located at liquid collecting tube seat 2 Outer position, that is, be located at the wall of desulfurizing tower tower body 1, and now guiding gutter 5 may also function as the effect of flue gas collector ring, it is to avoid flue gas Form " short-circuit " in tower body 1 wall, can further improve desulfuration efficiency.

The transverse shape of liquid collecting tube seat 2 of the present invention is not limited to the semicircle described in embodiment, may be arranged as " V " Shape, circular arc or flat " u "-shaped, the cross section of bottom surface is circular arc or " V " shape.Because flue gas flows from bottom to top, on State the liquid collecting tube seat 2 of structure and the contact area of flue gas is changed from small to big, the drag losses of flue gas, gas-liquid contact effect can be reduced Good.

The foregoing is only presently preferred embodiments of the present invention, be not the whole embodiments of the present invention, not in order to limit The present invention processed, all any modification, equivalent substitution and improvement within the spirit and principles in the present invention, made etc., should be included in Within protection scope of the present invention.

In addition to technical characteristic described in specification, remaining technical characteristic is technology known to those skilled in the art, in order to prominent Go out the innovative characteristicses of the present invention, above-mentioned technical characteristic will not be described here.

Claims (8)

1. a kind of tube and tank type liquid collector, is characterized in that, including some liquid collecting tube seats, described liquid collecting tube seat is provided with the vertical Multilayer, adjacent two-layer liquid collecting tube seat is staggered to accept the liquid that top falls, and the gap between liquid collecting tube seat forms cigarette Gas passage, liquid collecting tube seat is in tilted layout, and the low side of liquid collecting tube seat is connected with guiding gutter, and the bottom surface of described guiding gutter includes and slurry The internal layer bottom surface of liquid contact and the outer layer bottom surface with smoke contacts, internal layer bottom surface is inclined plane, and outer layer bottom surface is horizontal plane.
2. tube and tank type liquid collector according to claim 1, is characterized in that, positioned at the uniform cloth of liquid collecting tube seat of same layer Put, on same layer, the distance between two adjacent liquid collecting tube seats are not more than the width at liquid collecting channel openings;Adjacent two-layer Liquid collecting tube seat is parallel to each other, and the distance between upper strata liquid collecting tube seat and lower floor's liquid collecting tube seat are not less than adjacent on same layer two The distance between liquid collecting tube seat.
3. tube and tank type liquid collector according to claim 1, is characterized in that, described liquid collecting tube seat is in the both sides of guiding gutter Symmetrical.
4. tube and tank type liquid collector according to claim 1, is characterized in that, described liquid collecting tube seat entirety is to same direction Oblique arrangement, guiding gutter is located at the low side of liquid collecting tube seat and is connected with whole liquid collecting tube seats simultaneously.
5. tube and tank type liquid collector according to claim 1, is characterized in that, described liquid collecting tube seat is the strip of top end opening Shape groove, the cross section of liquid collecting tube seat is circular arc, " u "-shaped or " V " shape.
6. a kind of single column Two-way Cycle wet flue gas desulfurization tower, including tower body, the bottom of tower body is provided with smoke inlet, and the top of tower body sets There is outlet flue, be provided with spraying layer and lower spraying layer inside tower body between smoke inlet and outlet flue, it is characterized in that, on described The arbitrary described tube and tank type liquid collector of Claims 1 to 5, tube and tank type liquid collector are installed between spraying layer and lower spraying layer The slurries of upper spraying layer and lower spraying layer are separated, the described minimum point of guiding gutter is connected with slurry reflux pipe, water conservancy diversion The slurries that groove collects are transported to outside tower body by slurry reflux pipe.
7. a kind of single column Two-way Cycle wet flue gas desulfurization tower according to claim 6, is characterized in that, described tower body sidewall Inner surface is provided with liquid collector bracing frame, and tube and tank type liquid collector is arranged on inside tower body by liquid collector bracing frame.
8. a kind of single column Two-way Cycle wet flue gas desulfurization tower according to claim 6, is characterized in that, described slurry reflux Pipe is in tilted layout, and the angle between slurry reflux pipe and horizontal plane is 10 °~30 °, between described liquid collecting tube seat and horizontal plane Angle is 2 °~8 °;Angle between the internal layer bottom surface of described guiding gutter and horizontal plane is 2 °~8 °.
CN201610004790.XA 2016-01-04 2016-01-04 Single-tower dual-cycle wet flue gas desulfurization tower and tube groove type liquid collection device CN105413444B (en)

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CN106178919B (en) * 2016-08-31 2018-10-16 陕西省石油化工研究设计院 Wave liquid collector and multi-cycle flue gas desulfurization spray tower
CN106215604B (en) * 2016-09-21 2018-06-08 上海志佳消防工程技术有限公司 A kind of environmental protection smoke evacuation bindiny mechanism
CN106693657B (en) * 2016-12-30 2019-10-15 浙江天蓝环保技术股份有限公司 A kind of single column double circulation desulphurization and dust-removing device and technique
CN106669405B (en) * 2017-01-03 2019-12-27 江苏绿叶环境工程集团有限公司 Wet flue gas desulfurization purification system

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JPS61287422A (en) * 1985-06-14 1986-12-17 Babcock Hitachi Kk Structure of self-supporting desulfurization tower
US7137622B2 (en) * 2004-04-22 2006-11-21 Exxonmobil Research And Engineering Company De-entrainment of liquid particles from gas
CN202096773U (en) * 2011-05-11 2012-01-04 山东锐博化工有限公司 Vertical gas-liquid collecting plate
EP2826532A1 (en) * 2013-07-18 2015-01-21 Sulzer Chemtech AG A liquid mixing collector and a method for its use
CN104623923B (en) * 2013-11-08 2016-08-17 中国石油天然气股份有限公司 A kind of anti-coking Excess vaporization oil oil sump tank
JP2015174025A (en) * 2014-03-14 2015-10-05 三菱日立パワーシステムズ株式会社 Seawater flue gas desulfurization apparatus and application method of the same
CN204247065U (en) * 2014-11-19 2015-04-08 山东大学 Single tower Two-way Cycle wet flue gas desulfurization tower cascade type liquid collector
CN205361051U (en) * 2016-01-04 2016-07-06 山东大学 Single tower dual cycle wet flue gas desulfurization tower and tube seat formula collection liquid device

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