WO2008089689A1 - Purificateur centrifuge de la suie et des poussières présentes dans l'air - Google Patents

Purificateur centrifuge de la suie et des poussières présentes dans l'air Download PDF

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Publication number
WO2008089689A1
WO2008089689A1 PCT/CN2008/070131 CN2008070131W WO2008089689A1 WO 2008089689 A1 WO2008089689 A1 WO 2008089689A1 CN 2008070131 W CN2008070131 W CN 2008070131W WO 2008089689 A1 WO2008089689 A1 WO 2008089689A1
Authority
WO
WIPO (PCT)
Prior art keywords
outer rim
air
filter
radial
centrifugal purification
Prior art date
Application number
PCT/CN2008/070131
Other languages
English (en)
Chinese (zh)
Inventor
Youjie Huang
Original Assignee
Wuhan Innovation Environment Protection Engineering Co. Ltd
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
Priority claimed from CNB200710051289XA external-priority patent/CN100411707C/zh
Application filed by Wuhan Innovation Environment Protection Engineering Co. Ltd filed Critical Wuhan Innovation Environment Protection Engineering Co. Ltd
Priority claimed from CNU2008200653370U external-priority patent/CN201173516Y/zh
Publication of WO2008089689A1 publication Critical patent/WO2008089689A1/fr

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Classifications

    • 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
    • B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
    • B01D45/14—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by rotating vanes, discs, drums or brushes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0052—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with filtering elements moving during filtering operation
    • B01D46/0056—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with filtering elements moving during filtering operation with rotational movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces

Definitions

  • the invention relates to the field of atmospheric environment pollution prevention, and specifically relates to an air soot centrifugal purification device and a method for manufacturing the same.
  • the third is from the large-scale shopping malls and the fresh air ventilation system inside the enterprise. Its working principle is to pump outdoor fresh air directly into the room, if it is contained in the outdoor air. If the dust or particles are harmful, the indoor air will be exposed to undetectable pollution. The long-term chronic pollution will cause more serious damage to human health.
  • the principle of the electrostatic air purification device is to make a call from the oil smoke by using an electric field formed between the high voltage electrodes. Since the temperature and humidity of the soot often change, the electrode is also prone to ash deposits, resulting in extremely unstable electric fields, making the purification efficiency low and unstable. At the same time, it also has secondary pollution such as electromagnetic pollution and interference video. In addition, the grease adhering to the electrodes needs to be frequently disassembled and cleaned, the maintenance workload is large, the maintenance requirements are high, and the electrode plates are often replaced, which also leads to an increase in cost.
  • the principle of the water-leaching air purifying device is to pressurize the water containing the detergent by a water pump, and atomize it to contact the oil smoke to absorb the soot.
  • the structure of the purification device is relatively complicated. When it fails, it must be repaired by a professional factory. The maintenance workload is large, and the soot solidification is often difficult to dissolve in water.
  • the amount of water, detergent and absorbent is also higher. There are many, so its efficiency is low and the cost is high. Waste water containing oil and detergent can also cause secondary pollution.
  • the principle of the activated carbon type air purifying device is to adsorb the soot particles by using activated carbon. Although its use cost is low and maintenance is convenient, it still has a large amount of oil-contaminated residue after use, and its service life is also short, which has been eliminated by the market.
  • the principle of the mechanical air purification device is to mechanically intercept the soot particles by using a pair of convex and concave plate networks. However, due to the high viscosity and high resistance of the soot particles, not only the soot extraction is not smooth, but also the frequency of cleaning and maintenance is high, the workload is large, and the use cost is high. The country has not allowed it to pass the test.
  • the principle of the rare earth air purifying device is to adsorb the soot particles by using the rare earth particles doped with alumina. Although it does not need to consume electrical energy, it needs to periodically replace the alumina catalytic bed and rare earth particles, which is frequently maintained and the cost of use is too high. At the same time, the wind resistance during operation is large, and the purification efficiency is not high.
  • the object of the present invention is to provide an air soot centrifugal purification device with simple and compact structure, large amount of dust treatment, high purification efficiency, long working life, convenient use and maintenance, and low running cost, and manufacturing method thereof .
  • an air soot centrifugal purification device designed by the present invention includes an air guiding cylinder, a fixing bracket disposed in the air guiding cylinder, and a motor mounted on the fixing bracket. At least one rotating screen disk is disposed on the output shaft of the motor.
  • the rotary screen disk has an outer rim and a center disk, and the outer rim and the center disk are connected by a radial support rib, and a center sleeve of the center disk is provided with a sleeve matched with an output shaft of the motor.
  • a radial radial filter screen formed by the filter wire and uniformly distributed in the circumferential direction is disposed.
  • the radial radial filter mesh is formed by a filter wire which is relatively rotated in the circumferential direction between the outer rim and the sleeve, and is wound and woven in the diameter direction. Since the filter wire is very thin and easy to break, it is continuously wound and woven with a strainer wire, and the manufacturing process is easy to control, which can ensure the angle, density and uniformity of the weaving wire between adjacent filter wires, and can also be effective. Avoid the breakage of the filter wire and ensure the stable quality of the radial radial filter, so that it has higher purification efficiency. At the same time, its structure is simple and the cost is low.
  • a rotating filter disk can be arranged on the output shaft of the motor; for a restaurant hotel, an office canteen, etc. with a large amount of smoke and air, it needs to be arranged on the output shaft of the motor.
  • Two to four rotating filter discs are connected between the adjacent rotating filter discs through the sockets provided at the ends of the sleeves, and the multi-layered anti-intercepting dust can greatly improve the effect of purifying the air.
  • the manufacturing method of the above rotating filter disk comprises the following steps:
  • an adhesive film is also coated on the outer rim and the filter wire wound thereon to ensure the filter wire is firm and reliable.
  • the ground is bonded to the outer rim to improve its stability and service life.
  • the working principle of the invention is that the rotary screen disk in the air guiding cylinder is driven by the motor to rotate at a high speed, and the harmful flue gas containing various particulate matter is forcibly sent into the air guiding cylinder, and the fine oil in the flue gas is made under the action of the wind speed.
  • the drops are cut, collided, intercepted and adsorbed on the high-speed rotating filter wire, and are pulled out along the radial arrangement of the filter wire under the action of centrifugal force to forcibly detach the harmful particles, thereby realizing the effect of purifying the air.
  • the purification effect is proportional to the rotational speed of the rotating screen disk and inversely proportional to the velocity of the air being purged through the air duct.
  • the radial radial filter screen of the designed rotary sieve disk has a weft-free screen, and it is always in a state of high-speed rotation dynamic guided centrifugation during the working process, so that the transverse cutting of the filter wire can be enhanced on the one hand, Collision, interception and adsorption of soot and oil mist in the air; on the other hand, the adsorbed soot and oil mist can be collected smoothly along the radial distribution of the filter wire around the sump around the air duct, collected
  • the waste oil can be conveniently recycled, and basically has no secondary pollution, thereby realizing physical purification of soot and oil mist in the air, and the purification efficiency can be as high as 85% or more.
  • the radial radial filter screen of the designed rotary sieve disk is only woven by a filter wire, and the structure is simple, the volume is light, and the maintenance is simple, only need to spray the washing liquid a little after each use, or The cleaning can be done by soaking the filter tray for a few minutes.
  • the radial radial filter screen of the designed rotary filter disk has small running wind resistance, large processing air volume, long working life, and the oil scale in the air guiding cylinder is not easy to accumulate, and the running cost is low. It can be widely used in home kitchens, restaurants, restaurants, canteens, etc., and can be used in new air-conditioning systems such as large-scale shopping malls and enterprises, or in the field of soot desulfurization.
  • FIG. 1 is a cross-sectional structural view of an air soot centrifugal purification device
  • FIG. 2 is a schematic cross-sectional structural view of a single rotary screen disk of FIG. 1;
  • Figure 3 is a schematic view of the right side view of Figure 2;
  • Figure 3a is a schematic enlarged view of the A-A section of Figure 3;
  • Figure 3b is a schematic enlarged view of the B-B section of Figure 3; 4 is a schematic structural view of the structure of the rotary screen disk of FIG. 3 after winding the filter wire; FIG. 5 to FIG. 14 are schematic diagrams showing the process of winding the wire mesh of the rotary screen disk of FIG.
  • the air soot centrifugal purification device of the present invention has a circular air guiding cylinder 10, and a fixed bracket 11 is mounted inside the circular air guiding cylinder 10, and a center is mounted on the fixing bracket 11
  • the motor 12 and the output shaft of the motor 12 are mounted with two rotating sieve disks 14 of the same structure and matched with the inner diameter of the circular air guiding cylinder 10.
  • Each of the rotary screen disks 14 is constituted by an outer rim 1, a center plate 4, and a radial support rib 2 connected between the outer rim 1 and the center plate 4.
  • a bushing 5 that is mated with the output shaft of the motor 12 is disposed at the center of the center plate 4.
  • a radial radial filter 8 which is woven by a strainer wire 7 and uniformly distributed in the circumferential direction is designed.
  • the head end of the screen wire 7 is fixed in the threading hole 3 in the center plate 4, and the tail end is fixed to the outer rim 1.
  • the diameter of the filter wire 7 is 0.1 to 0.2 mm, and the angle between the wires adjacent to the radially adjacent filter wire 7 is 2 to 4 degrees, preferably 2 degrees.
  • the woven radial radial filter 8 has good density, easy to intercept and adsorb soot dust, has high centrifugal guiding effect, facilitates forced separation and concentration of soot, and has small wind resistance. Conducive to the treatment of large flow of smoke.
  • the outer rim 1 and the filter wire 7 wound thereon are covered with an adhesive film 6 to ensure that the combination of the two is stable and secure.
  • the two rotary screen discs 14 are connected by a socket 9 designed at the end of their sleeve 5 and fastened to the output shaft of the motor 12 by a hood 13.
  • the cross section of the outer rim 1 described above is composed of a cross-sectional outer edge portion la, a cross-sectional intermediate portion lb, and a cross-sectional inner portion lc.
  • the intermediate portion lb of the cross section is rectangular in shape, which is the basis for ensuring that the outer rim 1 has sufficient strength and rigidity.
  • the outer peripheral portion 1a of the cross section is preferably designed to have a circular arc shape. In this way, when the screen wire 7 is wound and twisted here, the stress concentration phenomenon can be minimized, and the filter wire 7 can be effectively prevented from being cut by the edge of the outer rim 1 , and the outer edge design of the circular arc shape is also beneficial for reducing the wind resistance. Reduce noise.
  • a sharp edge is formed on the inner side of the outer rim 1, and when the soot or oil mist in the air is intercepted by the high-speed rotating screen wire 7, adsorbed, forms particulate matter, and moves in the radial direction by the centrifugal force, Here, it will quickly separate, detach, and pry out on both sides of the corners to prevent particles from accumulating here, thereby maintaining a stable ventilation area, avoiding gas resistance, and maintaining the balance of the rotating screen disk 14 at high speed rotation.
  • the radial support rib 2 has the functions of connecting and supporting the outer rim 1 and the center plate 4, and has the function of the exhaust fan blade, which can generate a wind-guiding effect when the rotary screen disk 14 rotates at a high speed, which can reduce the wind resistance and reduce the wind resistance. Wind whistling, maintaining the rotational stability of the rotating screen disk 14.
  • the inclined arrangement of the flat surface is also advantageous for the centrifugal dusting of the soot and grease, preventing the adsorption and accumulation of the particulate matter, further reducing the gas resistance, enhancing the balance performance of the rotary sieve disk 14, and improving the filtering effect of the entire rotary sieve disk 14. , to extend their working life.
  • the flat strip-shaped radial support ribs 2 have a parallelogram in cross section.
  • the two short sides of the parallelogram are flush with the outer rim 1, that is, the vertical distance h 2 between the two short sides of the parallelogram is equal to the thickness of the outer rim 1, and the two long sides of the parallelogram are opposite to the outer rim 1
  • the components of the rotary screen disk 14 are uniform in thickness, and the strength thereof is higher and the stability is better.
  • the angular inclined surface can further enhance the air-inducing effect, thereby preventing the adsorption of the sticky material such as oil mist. Keep the air duct unobstructed, eliminate the noise during high-speed rotation, and improve the efficiency of dust and oil mist removal.
  • the manufacturing method of the rotary screen tray 14 of the air soot centrifugal purification device of the present invention mainly comprises the following steps:
  • the outer rim 1, the radial support rib 2, the center plate 4, the sleeve 5 and the hood 13 are all made of high-strength anti-corrosion alloy material, and the filter wire 7 is selected to have high strength.
  • Corrosion resistant alloy wire, adhesive film 6 is made of high viscosity and corrosion resistant coating.
  • the diameter of the outer rim 1 is 50 ⁇ 350mm, the thickness is 5 ⁇ 50mm, and the thickness is 8 ⁇ 20mm; the thickness of the radial support rib 2 is l ⁇ 5mm, and the diameter of the shaft hole of the sleeve 5 is 6 ⁇ 12mm, the filter screen
  • the diameter of the wire 7 is 0.1 ⁇ 0.2mm, the angle of the radial adjacent filter wire 7 is 2 ⁇ 4°, and the motor speed is 600-2700 r/mino.
  • the air soot centrifugal purification device of the invention has passed the actual detection of the Hubei Provincial Environmental Monitoring Center Station (Hubeizhou Environmental Protection Special Equipment and Equipment Testing Center), at an ambient atmospheric pressure of 102,700 Pa, an ambient temperature of 13 to 15 ° C, and a relative humidity of 80 to 85.
  • the dust purification efficiency can reach more than 95%.
  • the present invention has almost no wind resistance, and the noise generated is negligible.
  • the invention can be used not only in small oil smoke discharging places such as home kitchens, restaurants and hotels, but also in the fields of fresh air ventilation systems such as shopping malls and enterprises with a wind volume of 660 m 3 /min or large dust desulfurization treatment.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

Un purificateur centrifuge de la suie et des poussières présentes dans l'air comprend : au moins un plateau à tamis rotatif (14) installé sur un moteur électrique (12) dans un cylindre de canalisation d'air (10), et ce plateau à tamis rotatif (14) est constitué d'un cadre et d'un tamis radicalisé radial (8) qui se torsade de manière uniforme le long de sa périphérie. Un procédé de fabrication de plateau à tamis rotatif comprend les étapes suivantes : fixation de l'extrémité avant d'un filament de tamis (7) dans un trou annulaire (3) au centre d'un plateau (4) afin de l'étendre vers le bas contre un côté d'une boîte à graisse (5) sur le centre du plateau (4), et qui se torsade au niveau du bord inférieur d'une jante extérieure de roue (1), puis par l'arrière il s'étend vers le haut le long d'un trajet principal contre le même côté de la boîte à graisse (5) et se torsade au niveau du côté supérieur de la jante extérieure de roue (1), rotation de la jante de roue extérieure (1) à un angle donné, puis répétition du tricotage de l'avant à l'arrière jusqu'à ce que le filament du tamis (7) soit torsadé de manière uniforme le long de la périphérie de la jante extérieure de roue (1) afin de former un tamis radicalisé radial (8) et enfin, tricotage de l'extrémité terminale du filament de tamis (7) afin de le fixer sur le bord de jante extérieure de roue (1). Cette invention possède une structure simple et une efficacité de purification élevée, de sorte qu'elle peut largement être utilisée pour un processus de désulfuration de gaz de combustion ou de fumée d'hydrocarbure.
PCT/CN2008/070131 2007-01-18 2008-01-17 Purificateur centrifuge de la suie et des poussières présentes dans l'air WO2008089689A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN200710051289.X 2007-01-18
CNB200710051289XA CN100411707C (zh) 2007-01-18 2007-01-18 空气烟尘离心净化装置及其旋转滤网盘的制作方法
CN200820065337.0 2008-01-17
CNU2008200653370U CN201173516Y (zh) 2008-01-17 2008-01-17 离心式旋转滤网盘

Publications (1)

Publication Number Publication Date
WO2008089689A1 true WO2008089689A1 (fr) 2008-07-31

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105650708A (zh) * 2016-03-31 2016-06-08 江苏师范大学 一种油烟过滤盘机构
CN105890009A (zh) * 2016-06-13 2016-08-24 云南焌烟环保科技有限公司 油烟净化过滤装置
CN108253499A (zh) * 2018-03-07 2018-07-06 佛山市云米电器科技有限公司 一种基于多重技术分离油烟的吸油烟机
TWI629090B (zh) * 2016-12-07 2018-07-11 北京中能諾泰節能環保技術有限責任公司 除塵脫硫增效器及濕法脫硫裝置
CN108435758A (zh) * 2018-03-30 2018-08-24 山东中再生环境服务有限公司 一种危险废弃物稳定固化系统
CN110793084A (zh) * 2019-11-18 2020-02-14 杭州德意电器股份有限公司 一种内置卡盘式油烟机旋转滤网及其净化方法
CN112246063A (zh) * 2020-10-29 2021-01-22 昆山市聚晟环保科技设备有限公司 油烟净化清洗机及其净化方法
CN113599884A (zh) * 2021-08-27 2021-11-05 东莞市宇捷实业投资有限公司 一种稳定性好的滤芯
CN118022474A (zh) * 2024-04-10 2024-05-14 山西蓝邦环保科技有限公司 一种煤矿总回风用喷雾除霾装置

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US3865022A (en) * 1973-03-07 1975-02-11 Willard K Ahlrich Exhaust fume treatment apparatus
CN2274523Y (zh) * 1996-10-11 1998-02-18 中航勘察设计研究院 管道转子式除尘装置
JPH10216025A (ja) * 1997-02-03 1998-08-18 Matsushita Electric Ind Co Ltd ホットプレート
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CN2497855Y (zh) * 2001-08-07 2002-07-03 黄友阶 离心过滤式油烟净化机
CN1498671A (zh) * 2002-11-09 2004-05-26 张惠生 离心式油烟过滤器及其净化装置
CN101028575A (zh) * 2007-01-18 2007-09-05 黄友阶 空气烟尘离心净化装置及其旋转滤网盘的制作方法
CN201036724Y (zh) * 2007-01-18 2008-03-19 武汉创新环保工程有限公司 空气烟尘离心净化装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3865022A (en) * 1973-03-07 1975-02-11 Willard K Ahlrich Exhaust fume treatment apparatus
CN2274523Y (zh) * 1996-10-11 1998-02-18 中航勘察设计研究院 管道转子式除尘装置
JPH10216025A (ja) * 1997-02-03 1998-08-18 Matsushita Electric Ind Co Ltd ホットプレート
CN2364357Y (zh) * 1998-11-19 2000-02-16 王士虎 离心式油烟分离机
CN2497855Y (zh) * 2001-08-07 2002-07-03 黄友阶 离心过滤式油烟净化机
CN1498671A (zh) * 2002-11-09 2004-05-26 张惠生 离心式油烟过滤器及其净化装置
CN101028575A (zh) * 2007-01-18 2007-09-05 黄友阶 空气烟尘离心净化装置及其旋转滤网盘的制作方法
CN201036724Y (zh) * 2007-01-18 2008-03-19 武汉创新环保工程有限公司 空气烟尘离心净化装置

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105650708A (zh) * 2016-03-31 2016-06-08 江苏师范大学 一种油烟过滤盘机构
CN105890009A (zh) * 2016-06-13 2016-08-24 云南焌烟环保科技有限公司 油烟净化过滤装置
TWI629090B (zh) * 2016-12-07 2018-07-11 北京中能諾泰節能環保技術有限責任公司 除塵脫硫增效器及濕法脫硫裝置
CN108253499A (zh) * 2018-03-07 2018-07-06 佛山市云米电器科技有限公司 一种基于多重技术分离油烟的吸油烟机
CN108253499B (zh) * 2018-03-07 2023-01-03 佛山市云米电器科技有限公司 一种基于多重技术分离油烟的吸油烟机
CN108435758A (zh) * 2018-03-30 2018-08-24 山东中再生环境服务有限公司 一种危险废弃物稳定固化系统
CN110793084A (zh) * 2019-11-18 2020-02-14 杭州德意电器股份有限公司 一种内置卡盘式油烟机旋转滤网及其净化方法
CN112246063A (zh) * 2020-10-29 2021-01-22 昆山市聚晟环保科技设备有限公司 油烟净化清洗机及其净化方法
CN113599884A (zh) * 2021-08-27 2021-11-05 东莞市宇捷实业投资有限公司 一种稳定性好的滤芯
CN118022474A (zh) * 2024-04-10 2024-05-14 山西蓝邦环保科技有限公司 一种煤矿总回风用喷雾除霾装置

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