WO2019006936A1 - Piège à particules de dévésiculeur amélioré - Google Patents

Piège à particules de dévésiculeur amélioré Download PDF

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Publication number
WO2019006936A1
WO2019006936A1 PCT/CN2017/108593 CN2017108593W WO2019006936A1 WO 2019006936 A1 WO2019006936 A1 WO 2019006936A1 CN 2017108593 W CN2017108593 W CN 2017108593W WO 2019006936 A1 WO2019006936 A1 WO 2019006936A1
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WO
WIPO (PCT)
Prior art keywords
plate
straight plate
blades
parallel
support ring
Prior art date
Application number
PCT/CN2017/108593
Other languages
English (en)
Chinese (zh)
Inventor
秦松
Original Assignee
南通锐深环保科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 南通锐深环保科技有限公司 filed Critical 南通锐深环保科技有限公司
Publication of WO2019006936A1 publication Critical patent/WO2019006936A1/fr

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    • 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
    • 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
    • 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

Definitions

  • the utility model relates to a mist eliminator, in particular to a droplet dispenser of an improved demister.
  • the gas treated by the absorption tower entrains a large amount of droplets, and if these slurry droplets are not removed, they are deposited in the downstream equipment of the absorption tower to form hard scale, causing clogging and accelerating corrosion of the equipment.
  • the desulfurization tower acts as a gas-liquid contact device, and the phenomenon of entrainment of the mist is widespread.
  • a mist trap is added to the pipeline connecting the gas outlet of the desulfurization tower and the main gas pipeline to increase the gas entrainment after desulfurization. Capture effect.
  • the mist eliminator naturally produces a certain resistance to the airflow through the pipe while the droplets are removed, and the current mist eliminator cannot achieve a better balance between the effect of removing the droplets and the resistance to the airflow.
  • a droplet dispenser of an improved mist eliminator is provided, which can solve the problem that the metal orifice plate of the above structure has two layers of corrugated passages when the upper and lower layers are interleaved and stacked. It is a horny and technical problem that significantly increases fluid resistance and pressure drop.
  • a liquid droplet dispenser of an improved mist eliminator disclosed in the present invention comprises a support frame and a plurality of blades, and the support frame comprises a circular support ring, which is fixed on the upper edge of the support ring An upper positioning strip disposed in parallel, and a plurality of parallel positioning lower fixing strips fixed to a lower edge of the support ring, wherein the upper positioning strip and the lower positioning strip are parallel to each other;
  • the blade has a thickness of 0.5 mm, which comprises an upper straight plate and an upper plate
  • the straight plates are connected at an angle of 50 degrees
  • the lower inclined plates are connected between the middle straight plate and the lower straight plate and are at an angle of 50 degrees with the middle straight plate.
  • the upper inclined plate, the middle straight plate and the lower inclined plate surface have a plurality of triangles.
  • the curved lines of the bends are arranged at intervals along the air flow direction, and the edges of the upper straight plate and the lower straight plate are spaced apart from each other by a plurality of card slots, and the blades are parallelly inserted between the upper and lower positioning bars through the card slots, and Positioning Welded and fixed to each other vertically adjacent two vanes by the stopper plate to the two blade pitch limit 23mm, the limiting plate ends snap into the lock bar and the lock bar and fixed by welding.
  • the limiting plate has two kinds, one width is 23 mm, and the other width is 11.5 mm.
  • a 23 mm wide limiting plate is used to ensure a spacing of 23 mm between the blades, for a large size.
  • the separator is a multi-stage assembly with 23mm and 11.5mm limit plates in each section to ensure a 23mm spacing between the blades after assembly.
  • the utility model further comprises a limiting structure comprising a pressure plate and an end plate welded integrally at both ends, the whole is U-shaped, the end plate has a threaded hole, and the end plates on both sides are caught between the blades, and the bolts are passed through the threaded holes. Both ends of the bit structure resist the tower wall to prevent liquid separation Move up.
  • the utility has done a lot of experimental research on the number of stages of the defogger, the bending angle and the blade spacing.
  • the number of stages of the defogger is two to three.
  • the selection of the demister blade pitch is essential to ensure the defogging efficiency and maintain the stable operation of the defogging system.
  • the blade spacing is large, the defogging efficiency is low, the flue gas is severely watered, and the defogging efficiency is lower.
  • the blade spacing is too small.
  • the flushing effect is also reduced.
  • the blade is prone to scaling and clogging, and eventually the system is shut down.
  • the blade number of the utility is two stages, and the blade pitch is set to 23 mm.
  • the blade bending angle can improve the defoaming efficiency, and the defoaming efficiency of the droplets of 10 micrometers can reach 95%, while the droplet dedusting efficiency of 20 micrometers can reach 100%.
  • a droplet dispenser of an improved mist eliminator disclosed in the present invention is suitable for vertical airflow, and the airflow discharged from the droplet enters the chamber (between the two blades) to achieve airflow.
  • Defogging has the following beneficial effects:
  • 0.5mm thick blades greatly reduces the amount of material used, saving costs, and the surface of the embossed surface can increase the strength of the blade, while using the droplets to impinge on the surface of the blade due to inertial forces, increasing the impact of tiny droplets on the blade.
  • Figure 1 is a plan view of the structure of the present invention
  • Figure 2 is a side cross-sectional view of the present invention
  • FIG. 3 is a side view of the blade of the present invention.
  • Figure 4 is a front elevational view of the blade of the present invention.
  • Fig. 5 is a partial enlarged view of Fig. 4;
  • a droplet dispenser of an improved mist eliminator includes a support frame and a blade 10, wherein the support frame includes a circular support ring 1 and is fixed to the support ring. a plurality of upper positioning strips 2 disposed in parallel on the upper edge, and a plurality of parallel positioning strips 3 fixed in the lower edge of the support ring, wherein the upper positioning strip and the lower positioning strip are parallel to each other, the upper positioning strip and the lower positioning
  • the strip is a U-shaped structure
  • the blade has a thickness of 0.5 mm, and comprises an upper straight plate 4, an upper inclined plate 5, a middle straight plate 6, a lower inclined plate 7 and a lower straight plate 8; the upper straight plate, the middle straight plate and the lower straight plate are parallel to the axis of the support ring;
  • the inclined plate is connected to the upper straight plate and the middle Between the straight plates, and at an angle of 50 degrees with the middle straight plate;
  • the lower inclined plate is connected between the middle straight plate and the lower straight plate and is at an angle of 50 degrees with the middle straight plate, the upper inclined plate, the middle straight plate and
  • the outer side surface of the lower sloping plate has a concave-convex road 9 , and the concave-convex texture is a plurality of triangular-shaped convex protrusions arranged at intervals along the air flow direction, and the edges of the upper straight plate and the lower straight plate have a hem, and the upper and lower sides
  • the edge spacing is provided with a plurality of card slots,
  • the limiting plate 11 there is a limiting plate 11 between two adjacent blades, and the upper and lower ends of the limiting plate 11 are respectively clamped in the U-shaped structure of the upper and lower positioning strips, and at the same time welded integrally with the limiting plate, the limiting plate has two width structures, respectively 23 mm. And 11.5mm, when assembling a small-sized dispenser, only 23mm limit plates are used for limiting between the blades, and when assembling a large-sized dispenser, considering the convenient transportation, it is divided into multiple sections.
  • the structure ensures the entire defoaming effect.
  • a limit structure is installed at the upper end thereof, and is composed of a pressure plate 13 and an end plate 12, and the end plate 12 is welded to the both ends of the pressure plate 13 as a whole U-shaped, the end The plate is between the blades, and the surface has a threaded hole. The two ends of the limiting structure are pressed against the tower wall through the bolt through the threaded hole, thereby restraining the separator below and preventing the upward movement.
  • the droplet separator of the improved mist eliminator disclosed in the utility model is configured to fix the position of the upper positioning bar and the lower positioning bar by using the mold, and sequentially turn the blade and the limiting plate into the upper order.
  • a baffle plate is integrally formed between the positioning strip and the lower positioning strip, and the limiting plate and the positioning strip are welded and fixed, and then the supporting ring is sleeved into the whole of the baffle, and the upper positioning strip and the lower positioning strip are welded to the support ring. .

Abstract

Un piège à particules de dévésiculeur amélioré qui comprend un cadre de support et des ailettes (10). Le cadre de support comprend une bague d'appui circulaire (1), plusieurs bandes de positionnement supérieures parallèles (2) fixées à un bord supérieur de la bague d'appui (1), et plusieurs bandes de positionnement inférieures parallèles (3) fixées à un bord inférieur de la bague d'appui (1), les bandes de positionnement supérieures (2) étant parallèles aux bandes de positionnement inférieures (3). L'ailette (10) a une épaisseur de 0,5 mm, et comprend une plaque droite supérieure (4), une plaque inclinée supérieure (5), une plaque droite intermédiaire (6), une plaque inclinée inférieure (7), et une plaque droite inférieure (8). Les surfaces de la plaque inclinée supérieure (5), de la plaque droite intermédiaire (6) et de la plaque inclinée inférieure (7) sont dotées de plusieurs motifs surélevés triangulaires incurvés disposés à intervalles dans le sens d'écoulement d'un gaz. De multiples fentes sont disposées à intervalles sur un bord de la plaque droite supérieure (4) et un bord de la plaque droite inférieure (8). Les ailettes (10) sont fixées en parallèle entre les bandes de positionnement supérieures et les bandes de positionnement inférieures (2, 3) par l'intermédiaire des fentes. Une plaque de limitation de position (11) limite la distance entre des ailettes adjacentes (10) à 23 mm.
PCT/CN2017/108593 2017-07-06 2017-10-31 Piège à particules de dévésiculeur amélioré WO2019006936A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201720813319.5U CN207237488U (zh) 2017-07-06 2017-07-06 一种改进型除雾器的液滴分液器
CN201720813319.5 2017-07-06

Publications (1)

Publication Number Publication Date
WO2019006936A1 true WO2019006936A1 (fr) 2019-01-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/108593 WO2019006936A1 (fr) 2017-07-06 2017-10-31 Piège à particules de dévésiculeur amélioré

Country Status (2)

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CN (1) CN207237488U (fr)
WO (1) WO2019006936A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109364752A (zh) * 2018-12-14 2019-02-22 江苏锐华化工装备股份有限公司 一种船用废气脱硫净化的洗涤器
CN109865353A (zh) * 2019-04-11 2019-06-11 南通苏通分离工程科技有限公司 板式除沫器
CN113750653B (zh) * 2020-06-03 2022-08-19 约克（无锡）空调冷冻设备有限公司 气液分离器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1155067A (en) * 1967-01-24 1969-06-18 Ameliorair Soc Improvements in Baffle Plate Separators For Separating Particles from Gases
CN203291639U (zh) * 2013-05-20 2013-11-20 河南心连心化肥有限公司 带毛刺结构的烟气脱硫折流板式除雾器
CN203425620U (zh) * 2013-08-27 2014-02-12 昆明尔康科技有限公司 一种网格面折流除沫器
CN204767850U (zh) * 2015-07-13 2015-11-18 华中科技大学 一种耦合式除雾器

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1155067A (en) * 1967-01-24 1969-06-18 Ameliorair Soc Improvements in Baffle Plate Separators For Separating Particles from Gases
CN203291639U (zh) * 2013-05-20 2013-11-20 河南心连心化肥有限公司 带毛刺结构的烟气脱硫折流板式除雾器
CN203425620U (zh) * 2013-08-27 2014-02-12 昆明尔康科技有限公司 一种网格面折流除沫器
CN204767850U (zh) * 2015-07-13 2015-11-18 华中科技大学 一种耦合式除雾器

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