CN113477037A - Ridge type demister capable of recycling flushing water, demisting system and wet desulphurization system - Google Patents

Ridge type demister capable of recycling flushing water, demisting system and wet desulphurization system Download PDF

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Publication number
CN113477037A
CN113477037A CN202110961960.4A CN202110961960A CN113477037A CN 113477037 A CN113477037 A CN 113477037A CN 202110961960 A CN202110961960 A CN 202110961960A CN 113477037 A CN113477037 A CN 113477037A
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water
flushing water
mist eliminator
demister
ridge
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李楠
宦宣州
王韶晖
孟令海
李兴华
陶明
余昭
吴晓龙
房孝维
何育东
何仰朋
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Xian Thermal Power Research Institute Co Ltd
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Xian Thermal Power Research Institute Co Ltd
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Priority to CN202110961960.4A priority Critical patent/CN113477037A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation 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
    • B01D53/14—Separation 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 by absorption
    • B01D53/18—Absorbing units; Liquid distributors therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
    • B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/30—Sulfur compounds

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  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Treating Waste Gases (AREA)

Abstract

本发明公开了可回收冲洗水的屋脊式除雾器、除雾系统及湿法脱硫系统，屋脊式除雾器的每个除雾器叶片的底部设有收水槽，收水槽沿除雾器叶片长度方向设置，每个除雾器叶片的底部在收水槽较低的一端设置有引流槽，所有的引流槽与汇流管连通。本发明利用了屋脊式除雾器叶片倾斜的布置特点，在除雾器叶片下端装有收水槽，在收水槽较低的一端装引流槽，用于对冲洗水的收集并最终汇入到汇流管，最终能够被回收，实现冲洗水的回收，无需在除雾器下方设置收水装置。

Figure 202110961960

The invention discloses a roof type mist eliminator, a mist eliminator system and a wet desulfurization system capable of recovering flushing water. The bottom of each mist eliminator blade of the roof ridge type mist eliminator is provided with a water collecting groove, and the water collecting groove is along the mist eliminator blades. The length direction is arranged, and the bottom of each mist eliminator blade is provided with a drainage groove at the lower end of the water collecting groove, and all the drainage grooves are communicated with the collecting pipe. The invention takes advantage of the inclined arrangement of the ridge type mist eliminator blades, a water collecting groove is installed at the lower end of the mist eliminator blade, and a drainage groove is installed at the lower end of the water collecting groove for collecting the flushing water and finally entering it into the confluence. The pipe can finally be recovered to realize the recovery of flushing water, and there is no need to set up a water collection device under the mist eliminator.

Figure 202110961960

Description

Ridge type demister capable of recycling flushing water, demisting system and wet desulphurization system
Technical Field
The invention belongs to the field of flue gas environment-friendly devices, and relates to a ridge type demister capable of recycling washing water, a demisting system and a wet desulphurization system.
Background
The wet desulphurization process accounts for more than 92% of the flue gas desulphurization process, and the wet desulphurization process is widely applied to industries such as electric power, steel and the like. The demister is used as a main device in the wet desulphurization system, has the function of efficiently intercepting slurry fog drops, and avoids flue gas carrying gypsum liquid drops to be discharged into the atmosphere. The demister mainly has the types of plate type, tube type, ridge type and the like, wherein the ridge type demister is widely applied to a wet desulphurization system due to the characteristics of high efficiency and reliability. The defroster need regularly wash through arranging the washing nozzle in the defroster top, and the defroster sparge water is as the main technology moisturizing of absorption tower, and the water consumption is huge. There is a great potential for water conservation in the form of cascade water.
The existing device for recovering the flushing water of the demister is of a liquid receiving disc type below the demister, and the mode has the defects of large occupied space, certain resistance and large engineering implementation difficulty.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a ridge demister, a demisting system and a wet desulphurization system capable of recycling washing water.
The technical scheme adopted by the invention is as follows:
ridge formula defroster of recoverable sparge water, including ridge formula defroster and collecting pipe, the bottom of every defroster blade of ridge formula defroster is equipped with receives the basin, receives the basin and sets up along defroster blade length direction, and the bottom of every defroster blade is provided with the drainage groove in the lower one end of receiving the basin, all drainage grooves and collecting pipe intercommunication.
Preferably, the demister blades are provided with channels.
Preferably, the bottom of the demister blade is provided with a bent part bent upwards for forming a water collecting tank.
Preferably, the collecting pipe is arranged at a position opposite to the lower edge of the ridge type demister, and the collecting pipe is correspondingly arranged on the lower edges of two sides of the ridge type demister.
Preferably, the collecting pipe is arranged obliquely with respect to a lower edge of the ridge mist eliminator.
The invention also provides a demisting system, which comprises a demister washing water device and the ridge type demister capable of recycling washing water, wherein the demister washing water device comprises a demister washing water nozzle and a water supply device connected with the demister washing water nozzle, the demister washing water nozzle is arranged above the ridge type demister, and the collecting pipe is connected with a washing water outlet pipe.
Preferably, water supply installation includes sparge water recovery tank and defroster wash water pump, and the entry and the sparge water recovery tank of defroster wash water pump are connected, and the export of defroster wash water pump is passed through the wash water pipeline and is connected with defroster wash water nozzle, and the wash water eduction tube is connected with wash water recovery tank.
Preferably, be connected with the technology water moisturizing pipeline on the sparge water recovery tank, the bottom of sparge water recovery tank is equipped with the evacuation mouth, and evacuation mouth department is equipped with the solenoid valve, is equipped with the recycled water quality monitoring device who is used for detecting the recovery aquatic and contains solid volume in the sparge water recovery tank, recycled water quality monitoring device with solenoid valve and defroster wash water pump are connected.
The invention also provides a wet desulphurization system, which comprises an absorption tower and the defogging system, wherein the defogger flushing water nozzle and the ridge defogger are arranged in the absorption tower.
Preferably, be provided with a plurality of layers of ridge defroster along flue gas flow direction in the absorption tower, the collecting pipe and same sparge water delivery pipe intercommunication of the adjacent one side of all ridge defroster, the sparge water delivery pipe sets up along flue gas flow direction in following the absorption tower, and every layer of ridge defroster's top all corresponds and is provided with defroster washing water nozzle, and all demisters washing water nozzles are connected with same water supply installation.
The invention has the following beneficial effects:
in the ridge type demister capable of recycling flushing water, the water collecting groove is arranged at the bottom of each demister blade, water flowing down along the demister blades can be contained and received by the water collecting groove, the water on the demister blades is prevented from directly falling, the drainage groove is arranged at the lower end of the water collecting groove at the bottom of each demister blade and is communicated with the collecting pipe, the water contained and received in the water collecting groove can be guided into the collecting pipe by the drainage groove, and the collected water can be intensively guided by the collecting pipe, so that the high-efficiency recycling of the flushing water can be realized, a water collecting device (such as a liquid collecting disc) does not need to be arranged below the demister, and the system arrangement and the resistance are hardly influenced.
Furthermore, the demister blades are provided with channels, so that the trapping effect of the demister blades on water vapor in flue gas can be increased.
Further, the bottom of defroster blade is equipped with the curved part that is used for forming the water collecting tank of bending upward, consequently receives water tank and defroster blade formula structure as an organic whole, and spare part is few, the wholeness is good, also easily realizes in processing.
Further, the collector pipe is arranged obliquely relative to the lower edge of the ridge type demister, so that recovered water in the collector pipe is timely discharged through gravity, and deposited dirt in the collector pipe is prevented.
In the wet desulphurization system, the flushing water guide pipe is arranged along the flowing direction of the flue gas in the absorption tower, so that the influence of the flushing water guide pipe on the flue gas flowing in the absorption tower can be reduced as much as possible, and the flowing resistance is reduced.
Drawings
FIG. 1 is a schematic diagram of the wet desulfurization system of the present invention.
FIG. 2 is a schematic view of a portion (at the demister blades) of a ridge demister for recovering rinse water according to the present invention;
FIG. 3 is a schematic structural diagram of an embodiment of a wet desulfurization system of the present invention.
Wherein, 1 is the absorption tower, 2 is ridge defroster, 2-1 is the defroster blade, 2-2 is the flexion, 3 is the collecting pipe, 4 is the channel, 5 is the receipts basin, 6 is the drainage groove, 7 is defroster washing nozzle, 8 is sparge water recovery tank, 9 is defroster washing water pump, 10 is the wash water pipeline, 11 is the process water moisturizing pipeline, 12 is defroster sparge water device, 13-pit, 14 is the sparge water eduction tube.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1 and 2, the ridge type demister capable of recycling washing water comprises a ridge type demister and a collecting pipe 3, wherein a water collecting groove 5 is arranged at the bottom of each demister blade 2-1 of the ridge type demister, the water collecting grooves 5 are arranged along the length direction of the demister blades 2-1, a drainage groove 6 is arranged at the lower end of the water collecting groove 5 at the bottom of each demister blade 2-1, and all the drainage grooves 6 are communicated with the collecting pipe 3. As shown in figure 1, the ridge type demister capable of recycling washing water of the invention utilizes the inclined arrangement characteristic of the ridge type demister blades because the middle part (ridge) is higher and each demister blade 2-1 at two sides is in an inclined arrangement mode with one higher end and one lower end, a water collecting groove 5 is arranged at the lower end of each demister blade 2-1, and a drainage groove 6 is arranged at the lower end of the water collecting groove 5 and is used for collecting washing water and finally converging the washing water into a collecting pipe 3, so that the washing water can be recycled finally.
Referring to fig. 2, a demister blade 2-1 is provided with a channel 4 as a preferred embodiment of the present invention.
Referring to fig. 2, the bottom of the demister blade 2-1 is provided with a bent part 2-2 bent upward to form a water receiving tank 5 as a preferred embodiment of the present invention.
Referring to fig. 1 and 3, a collecting pipe 3 is provided at a position facing a lower edge of a ridge mist eliminator, and the collecting pipe 3 is provided at both lower edges of the ridge mist eliminator.
Referring to fig. 1-3, as a preferred embodiment of the present invention, the manifold 3 is disposed at an angle with respect to the lower edge of the ridge mist eliminator (similar to the position of the eaves of a roof).
Referring to fig. 1, the present invention further provides a demisting system, which includes a demister washing water device 12 and the ridge demister of the present invention capable of recovering washing water, wherein the demister washing water device 12 includes a demister washing water nozzle and a water supply device connected to the demister washing water nozzle, the demister washing water nozzle is disposed above the ridge demister, and the collecting pipe 3 is connected to a washing water outlet pipe 14. According to the invention, the efficient water collection is realized on the premise of not additionally arranging a water collection device below the demister, and the pilot test shows that washing water of the demister is atomized by a nozzle above the demister due to the atomizing nozzle, most of water drops sprayed into the demister are attached to the blades, automatically flow to the lower points of the blades and then are collected and dripped to the absorption tower.
Referring to fig. 1, a water supply apparatus according to a preferred embodiment of the present invention includes a washing water recovery tank 8 and a demister washing water pump 9, an inlet of the demister washing water pump 9 is connected to the washing water recovery tank 8, an outlet of the demister washing water pump 9 is connected to a demister washing water nozzle through a washing water pipe 10, and a washing water delivery pipe 14 is connected to the washing water recovery tank 8.
As a preferred embodiment of the present invention, the rinse water recovery tank 8 is connected to a process water replenishing pipeline 11, the bottom of the rinse water recovery tank 8 is provided with an evacuation port, an electromagnetic valve is provided at the evacuation port, a rinse water quality monitoring device for detecting the solid content in the recovered water is provided in the rinse water recovery tank 8, and the rinse water quality monitoring device is connected to the electromagnetic valve and the demister rinse water pump 9. The invention can periodically sample or monitor the solid content of the recovered water in the recovery water tank 8 on line at the recovery water tank 8, when the solid content is higher than the preset value, the recovered water in the recovery water tank 8 can be considered to be discharged to a pit 13 through a vent, and is supplemented to a slurry pool in the absorption tower 1, and fresh process water is supplemented to enter the recovery water tank 8 through a process water supplementing pipeline 11.
Referring to fig. 1 and 3, the present invention further provides a wet desulfurization system, comprising an absorption tower 1 and the defogging system of the present invention as described above, wherein a defogger flushing water nozzle and a ridge defogger are disposed in the absorption tower 1.
As a preferred embodiment of the present invention, referring to fig. 1 and 3, a plurality of layers of ridge demisters are arranged in an absorption tower 1 along a flue gas flow direction, a collecting pipe 3 on one side adjacent to all ridge demisters is communicated with a same washing water outlet pipe 14, the washing water outlet pipe 14 is arranged in the absorption tower 1 along the flue gas flow direction, demister washing water nozzles are correspondingly arranged above each layer of ridge demisters, and all demister washing water nozzles are connected with a same water supply device.
Examples
Referring to fig. 1 to 3, the wet desulfurization system of the present invention comprises an absorption tower 1, a ridge type demister 2, a washing water collecting pipe 3, a demister washing device 12, a washing water recovery tank 8, a demister washing water pump 9, a washing water pipeline 10 and a process water replenishing pipeline 11, wherein a channel 4, a recovery groove 5 and a drainage groove 6 are arranged on a demister blade 2-1; the demister washing water device 12 comprises a demister washing water pipeline 10 and a demister washing nozzle 7, and the washing nozzle is uniformly arranged above the demister to realize high-efficiency washing of the demister.
Ridge formula defroster 2 includes inlet section, defogging passageway and outlet section on the whole, and the defroster inlet section comprises the inlet section of two adjacent defogging blades, and the defogging passageway comprises the defogging section of two adjacent defogging blades, and the outlet section comprises the outlet section of two adjacent defogging blades, and inlet section, defogging passageway, outlet section link to each other with this. The outlet section below is equipped with and receives the basin, and the liquid drop gets into the sparge water collecting pipe through receiving the basin and drainage groove behind the defroster. . The demister blades 2-1 are provided with a recovery groove 5 at the inlet section, the recovery groove 5 can realize the function of collecting and guiding liquid drops and meet the turbulence function of flue gas at the inlet section, and the fog drop trapping efficiency of the flue gas under the low-flow-rate working condition is enhanced; the demister blades 2-1 have a parabolic cross-section (longitudinal cross-section as shown in fig. 2), and as shown in fig. 2, channels 4 are provided on the inner and outer sides (left and right sides of the demister blades 2-1 as shown in fig. 2) of the demister blades 2-1, and the distance between the two demister blades is usually 20-30 mm.
The specific implementation process of the invention is as follows:
in the absorption tower 1, when the flue gas containing liquid drops passes through the ridge type demister 2, the liquid drops are removed under the interception action of the channels 4 on the inner side and the outer side of the demister blades 2-1, and the flue gas is discharged through the demister outlet section. Because the corrosive substance that contains in the liquid drop can produce the corrosive action to defogging blade surface, consequently wash ridge defroster 2 through ridge defroster 2 top defroster washing unit 12 regularly. The cleaning process requires a large amount of washing water. The defroster sparge water evenly sprays to the defroster blade inside through atomizing nozzle, and adnexed droplet can be along defogging blade surface whereabouts on the blade under the effect of sparge water. Because ridge defroster 2 adopts the slope arrangement mode, wash the droplet and can constantly collect at blade surface whereabouts in-process, form big liquid droplet, finally get into sparge water recovery tank 8 via collecting vat 5 and recovery water collecting pipe 3, realize the online recovery of sparge water, recycle water passes through defroster wash water pump and wash water pipeline 10 and recycles once more and get into in the absorption tower 1 and spray and wash in the recovery tank, but the technology moisturizing volume in this mode greatly reduced absorption tower 1, realize the energy-efficient operation of absorption tower.
In addition, the recovery water tank 8 is provided with a recovered water quality monitoring device, when the solid content of the recovered water is lower than 0.5%, the recovered water is pumped to the demister 2 through a demister flushing water pump 9 for next flushing, so that the cyclic utilization of the process water is realized; when the solid content of the recovered water is more than 0.5 percent, the recovered water in the recovered water tank 8 is discharged to a pit 12 through a drain port, then is supplemented into a slurry tank in the absorption tower 1, and then is supplemented with fresh process water through a process water supplementing pipe 11 to enter the recovered water tank 8.
In conclusion, the invention is provided with the water recovery groove, thereby realizing the high-efficiency recovery of the flushing water, needing no additional water recovery device and having no influence on the system arrangement and the resistance; the invention can enhance the fog drop trapping efficiency of the flue gas under the working condition of low flow velocity through the disturbance of the inlet section. The invention increases the comprehensive removal efficiency of liquid drops in the air flow and realizes the online washing of the demister, namely the recovery of the washing water.

Claims (10)

1.可回收冲洗水的屋脊式除雾器，其特征在于，包括屋脊式除雾器和汇流管(3)，屋脊式除雾器的每个除雾器叶片(2-1)的底部设有收水槽(5)，收水槽(5)沿除雾器叶片(2-1)长度方向设置，每个除雾器叶片(2-1)的底部在收水槽(5)较低的一端设置有引流槽(6)，所有的引流槽(6)与汇流管(3)连通。1. the ridge type mist eliminator that can recycle flushing water is characterized in that, comprises roof type mist eliminator and confluence pipe (3), and the bottom of each mist eliminator blade (2-1) of roof type mist eliminator is set at the bottom. There is a water collecting groove (5), the water collecting groove (5) is arranged along the length direction of the demister blade (2-1), and the bottom of each demister blade (2-1) is arranged at the lower end of the water collecting groove (5) There are drainage grooves (6), and all the drainage grooves (6) are communicated with the manifold (3). 2.根据权利要求1所述的可回收冲洗水的屋脊式除雾器，其特征在于，除雾器叶片(2-1)上设有沟道(4)。2. The ridge-type mist eliminator capable of recovering flushing water according to claim 1, wherein a channel (4) is provided on the mist eliminator blade (2-1). 3.根据权利要求1所述的可回收冲洗水的屋脊式除雾器，其特征在于，除雾器叶片(2-1)的底部设有上弯的用于形成收水槽(5)的弯曲部(2-2)。3. The ridge-type mist eliminator capable of recovering flushing water according to claim 1, characterized in that the bottom of the mist eliminator blade (2-1) is provided with an upwardly curved curve for forming a water collecting groove (5). Section (2-2). 4.根据权利要求1所述的可回收冲洗水的屋脊式除雾器，其特征在于，汇流管(3)设置于与屋脊式除雾器下沿相对的位置，屋脊式除雾器的两侧的下沿均对应设置有所述汇流管(3)。4. The roof-type mist eliminator capable of recovering flushing water according to claim 1, wherein the confluence pipe (3) is arranged at a position opposite to the lower edge of the roof-type mist eliminator. The lower edges of the sides are correspondingly provided with the collecting pipes (3). 5.根据权利要求4所述的可回收冲洗水的屋脊式除雾器，其特征在于，汇流管(3)相对于屋脊式除雾器的下沿倾斜设置。5 . The roof-type mist eliminator capable of recovering flushing water according to claim 4 , wherein the confluence pipe ( 3 ) is inclined relative to the lower edge of the roof-type mist eliminator. 6 . 6.除雾系统，其特征在于，包括除雾器冲洗水装置(12)和权利要求1-5任意一项所述的可回收冲洗水的屋脊式除雾器，除雾器冲洗水装置(12)包括除雾器冲洗水喷嘴和与除雾器冲洗水喷嘴连接的供水装置，除雾器冲洗水喷嘴设置于屋脊式除雾器的上方，汇流管(3)连接有冲洗水导出管(14)。6. A defogging system, characterized in that it comprises a mist eliminator flushing water device (12) and the ridge-type mist eliminator capable of recovering flushing water according to any one of claims 1-5, and the mist eliminator flushing water device ( 12) Including the demister flushing water nozzle and the water supply device connected with the demister flushing water nozzle, the demister flushing water nozzle is arranged above the ridge type demister, and the confluence pipe (3) is connected with the flushing water outlet pipe ( 14). 7.根据权利要求6所述的除雾系统，其特征在于，供水装置包括冲洗水回收水箱(8)和除雾器冲洗水泵(9)，除雾器冲洗水泵(9)的入口与冲洗水回收水箱(8)连接，除雾器冲洗水泵(9)的出口通过冲洗水管路(10)与除雾器冲洗水喷嘴连接，冲洗水导出管(14)与冲洗水回收水箱(8)连接。7. The defogging system according to claim 6, wherein the water supply device comprises a flushing water recovery tank (8) and a mist eliminator flushing water pump (9), the inlet of the mist eliminator flushing water pump (9) and the flushing water The recovery water tank (8) is connected, the outlet of the demister flushing water pump (9) is connected with the demister flushing water nozzle through the flushing water pipeline (10), and the flushing water outlet pipe (14) is connected with the flushing water recovery water tank (8). 8.根据权利要求7所述的除雾系统，其特征在于，冲洗水回收水箱(8)上连接有工艺水补水管路(11)，冲洗水回收水箱(8)的底部设有排空口，排空口处设有电磁阀，冲洗水回收水箱(8)内设有用于检测回收水中含固量的回收水水质监测装置，回收水水质监测装置与所述电磁阀以及除雾器冲洗水泵(9)连接。8. The defogging system according to claim 7, characterized in that, a process water replenishing pipeline (11) is connected to the flushing water recovery tank (8), and an emptying port is provided at the bottom of the flushing water recovery tank (8). , a solenoid valve is arranged at the emptying port, a recovery water quality monitoring device for detecting the solid content in the recovered water is arranged in the flushing water recovery water tank (8), the recovery water quality monitoring device is connected with the solenoid valve and the demister flushing pump (9) CONNECTIONS. 9.湿法脱硫系统，其特征在于，包括吸收塔(1)和权利要求6-8任意一项所述的除雾系统，除雾器冲洗水喷嘴和屋脊式除雾器设置于吸收塔(1)内。9. Wet desulfurization system, is characterized in that, comprises absorption tower (1) and the demisting system described in any one of claim 6-8, mist eliminator flushing water nozzle and roof type mist eliminator are arranged in absorption tower (1) 1) inside. 10.根据权利要求9所述的湿法脱硫系统，其特征在于，吸收塔(1)内沿烟气流动方向设置有若干层屋脊式除雾器，所有屋脊式除雾器相邻一侧的汇流管(3)与同一冲洗水导出管(14)连通，冲洗水导出管(14)沿吸收塔(1)内沿烟气流动方向设置，每层屋脊式除雾器的上方均对应设置有除雾器冲洗水喷嘴，所有除雾器冲洗水喷嘴与同一供水装置连接。10. The wet desulfurization system according to claim 9, characterized in that, several layers of ridge-type mist eliminators are arranged in the absorption tower (1) along the flue gas flow direction, and all the roof-type mist eliminators on the adjacent side are provided with several layers. The confluence pipe (3) is communicated with the same flushing water outlet pipe (14), the flushing water outlet pipe (14) is arranged along the flow direction of the flue gas in the absorption tower (1), and each layer of the roof type mist eliminator is correspondingly provided with a Mist eliminator flushing water nozzles, all demister flushing water nozzles are connected to the same water supply.
CN202110961960.4A 2021-08-20 2021-08-20 Ridge type demister capable of recycling flushing water, demisting system and wet desulphurization system Pending CN113477037A (en)

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EP4567001A1 (en) * 2023-12-08 2025-06-11 Ultraaqua A/S Method and apparatus for treating water containing per- and polyfluoroalkyl substances (pfas)

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Application publication date: 20211008