WO2017193719A1 - Appareil de purification d'air - Google Patents

Appareil de purification d'air Download PDF

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Publication number
WO2017193719A1
WO2017193719A1 PCT/CN2017/078373 CN2017078373W WO2017193719A1 WO 2017193719 A1 WO2017193719 A1 WO 2017193719A1 CN 2017078373 W CN2017078373 W CN 2017078373W WO 2017193719 A1 WO2017193719 A1 WO 2017193719A1
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WO
WIPO (PCT)
Prior art keywords
air
gas
circulating water
liquid separation
cylinder
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Ceased
Application number
PCT/CN2017/078373
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English (en)
Chinese (zh)
Inventor
李万
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Individual
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Individual
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Publication of WO2017193719A1 publication Critical patent/WO2017193719A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0003—Exclusively-fluid systems

Definitions

  • the present invention belongs to the field of environmental protection technologies, and specifically relates to an air purification device.
  • the third is to directly pass the dust-containing air into the water through the nozzle through a fan.
  • the former is simple and saves money, but the removal ability of PM2.5 is extremely limited; although the latter is relatively thorough, the equipment is bulky and expensive, and the nozzle is easy to block; the third method, although effective than the first method, However, since the bubbles in the water are not easily torn and broken, the removal of PM2.5 is not thorough enough.
  • the second source of PM2.5 is the motor vehicle. Motor vehicles pass at high speed on asphalt roads.
  • the present invention provides an air purifying device which is efficient, dexterous, and not easy to block, and can not only catch the source of PM2.5 generated in many industries, but also can be contaminated by PM2.5.
  • the dyed air is effectively purified, and the same amount of water can be saved.
  • the technical solution adopted by the present invention is: an air purification device, comprising a mixing cylinder, a gas-liquid separation funnel, a sedimentation cylinder, a nozzle tube, and a flocculant storage tank, wherein the mixing cylinder is composed of a cylindrical portion of a unitary structure and The truncated cone portions are respectively located at the two ends of the cylindrical portion, and the two truncated portions are respectively connected to the gas-liquid separation funnel and the precipitation cylinder through the small diameter end thereof, the spout tube is disposed on the side wall of the mixing cylinder, and the spout tube is mixed along the side
  • the tangential direction of the barrel inputs air into the mixing cylinder, and the input end of the nozzle tube is connected with a venturi tube, the venturi tube has an air inlet and a circulating water inlet, and the air inlet of the venturi tube is connected to the fan, the circulating water of the venturi tube The inlet is connected to the circulating water outlet of the side wall
  • the cylinder portion of the mixing cylinder and the two truncated cone portions have an aspect ratio of ⁇ 1:5.
  • the derotator is fixed inside the gas-liquid separating funnel by a lifting rib.
  • the inlet end of the tee on the circulating water pipe is connected to the flocculant storage tank through the inlet pipe and the peristaltic pump.
  • a check valve and a flow meter are disposed between the tee and the venturi tube on the circulating water pipe.
  • a gas valve is disposed at a top of the precipitation cylinder, and a drain valve is disposed at a side of the precipitation cylinder.
  • the derotator includes a baffle, a gas trap and a water collecting pan respectively sleeved on the electric conducting electrode, and the baffle has four in the circumferential direction.
  • the gas trap is a hollow truncated cone structure, and the gas trap is located between the electrically conductive electrode and the vane of the baffle; the water collecting pan is located below the deflector and the gas trap, and collects water There is a water collection outlet pipe on the plate.
  • the method for purifying air by using the above device adding circulating water to the gas-liquid separation funnel to the derotator, and driving the circulating water in the mixing cylinder in the gas-liquid separation funnel, the circulating water pipe, the venturi tube Take And circulating between the nozzle tubes, and adjusting the amount of flocculating agent according to the total dust content of the air to be purified and the flow rate of the fan, and the solid in the air is mixed by the air to be purified brought by the fan and the circulating water containing the flocculating agent.
  • the particles accumulate to form flocs.
  • the volumetric flow rate of the circulating water is controlled to be 1/8 to 1/5 of the volumetric flow rate of the air.
  • the mass of the flocculant in the flow rate of the flocculant solution is 0.01 to 0.03% of the solid content in the flow rate of the fan.
  • the air purifying device provided by the invention is efficient, dexterous, not easy to block, and has universality, which can not only capture many industries PM2.5.
  • the source of the production, and the air that has been polluted by PM2.5 can be effectively purified, and the water can be saved in a large amount.
  • the invention has wide application range, can be docked with cyclone separators and other ventilation devices to remove PM2.5 in their exhaust gas; and is installed in a traditional road sweeping vehicle by installing a large particle filter at the inlet of the fan of the present invention.
  • PM2.5 existing on the road can be removed; moreover, the invention is low in cost and convenient in maintenance.
  • FIG. 2 is a cross-sectional plan view of A in FIG. 1;
  • FIG. 3 is a schematic view showing a state at the initial stage of startup of the present invention.
  • FIG. 4 is a schematic view showing a state of normal operation of the present invention.
  • FIG. 5 is a schematic structural view of a derotator of the present invention
  • Figure 6 is a cross-sectional view taken along line A-A' of Figure 5;
  • Figure 7 is a cross-sectional view taken along line BB' of Figure 5;
  • FIG. 8 is a schematic view of a panel of an air-water detector according to the present invention.
  • an air purifying device includes a mixing drum 1, a gas-liquid separating funnel 2, a sedimentation cylinder 3, a spout pipe 4, and a flocculating tank 9, which is composed of a cylindrical cylinder having an integral structure.
  • the two truncated portions are respectively connected to the gas-liquid separation funnel 2 and the precipitation cylinder 3 through the small diameter end thereof, and the spout tube 4 is disposed on the side wall of the mixing cylinder 1
  • the nozzle tube 4 inputs air into the mixing cylinder 1 along the tangential direction of the mixing cylinder 1
  • the venturi tube 6 is connected to the input end of the nozzle tube 4
  • the venturi tube 6 has an air inlet and a circulating water inlet
  • the venturi tube 6 The air inlet is connected to the fan 5, and the circulating water inlet of the venturi 6 is connected to the circulating water outlet of the side wall of the gas-liquid separation funnel 2 through the circulating water pipe 7, and the circulating water pipe 7 is also connected to the flocculating tank through the tee 8.
  • the derotator 15 includes a baffle 1501, a gas barrier 1502, and a water collecting tray 1503 respectively disposed on the conductive electrode 14.
  • the deflector 1501 has four blades in the circumferential direction;
  • the gas cone 1502 is a hollow truncated cone structure, and the gas trap 1502 is located between the conductive electrode 14 and the vane of the deflector 1501;
  • the water collecting tray 1503 is located below the deflector 1501 and the gas trap 1502, and
  • a water collection outlet pipe 1 504 is provided on the water tray 1503.
  • the hanging rib 18 is connected to the upper outer rim 150301 of the water collecting tray 1503.
  • the cylinder diameter portion and the two truncated cone portions of the mixing cylinder 1 have an aspect ratio of ⁇ 1:5; the top of the sedimentation cylinder 3 is provided with a gas valve 16, precipitation A drain valve 17 is provided on the side of the cylinder 3.
  • the racem 15 is fixed inside the gas-liquid separation funnel 2 by a lifting rib 18.
  • the inlet end of the tee 8 on the circulating water pipe 7 is connected to the flocculant storage tank 9 through the inlet pipe 19 and the peristaltic pump 20, and the check valve 21 is provided with a check valve 21 between the tee 8 and the venturi pipe 6.
  • flow meter 22 A mirror 23 is disposed on the side of the gas-liquid separation funnel, and a mirror 23 is also disposed on the side of the sedimentation cylinder.
  • the method for purifying air by using the above device adding circulating water to the gas-liquid separation funnel to the derotator, and driving the circulating water in the mixing cylinder in the gas-liquid separation funnel, the circulating water pipe, the venturi tube And circulating between the spout pipes, and adjusting the amount of flocculating agent according to the total dust content of the air to be purified and the flow rate of the fan, and the solid in the air is mixed by the air to be purified brought by the fan and the circulating water containing the flocculating agent.
  • the particles accumulate to form flocs.
  • the volume flow rate of the circulating water is controlled to be 1/8 to 1/5 of the volume flow of the air; the mass of the flocculant in the flow rate of the flocculant solution is 0.01 of the solid content in the flow rate of the fan ⁇ 0.03%.
  • a control valve 24 is provided on the circulation water pipe, the inlet end of the nozzle pipe, and the junction of the precipitation cylinder and the mixing cylinder.
  • the gas-liquid separation funnel is connected to a column at the port, the port on the column is flanged with an end cap, and the end cap is provided with an exhaust pipe and Add water.
  • the root extends to the lower hopper of the funnel to fix the deflater for purifying the air, and a circulating water outlet is provided along the tangential direction in the lower part of the funnel side wall.
  • the lower part of the sedimentation cylinder has a larger volume, and the upper volume is smaller, and the two parts are integrally connected by a living interface.
  • the upper round barrel outlet of the mixing drum is connected to the gas-liquid separation funnel through a living interface.
  • the working principle of the invention is that the air containing solid particles, under the driving of the pressure fan, first draws air through the branch pipe of the venturi into the circulating water containing the flocculant, and the whole dust in the air (PM2.5) , P M10 and larger solid particles) are wetted, flocculated, and then circulated through the circulating water spout provided on the side wall of the cylinder of the mixing drum to rotate the circulating water in the tangential direction to generate centrifugal separation.
  • the centrifugal separation acts to tear and disperse the air flow by the rotating circulating water.
  • the derotator After the derotator loses the rotation speed and reduces the partial pressure of the water vapor, the purified air is discharged from the exhaust pipe, and the circulating water layer is discharged. Then, due to the medium density, it is located between the floc layer and the "air ball". Under the pressure push, the inner wall of the upper outlet of the mixing cylinder reaches the lower part of the gas-liquid separation funnel, and the trailing edge is arranged in the tangential direction of the side. The outlet, the control valve, the three-way valve, the check valve, and the venturi's circulating water inlet enter the next cycle.
  • the specific use method of the air purifying device in the present invention is as follows: First, a flocculating agent (polyacrylamide) solution is prepared at a normal temperature, and the concentration is generally 0.1 to 0.3%, and the amount is according to the total dust content of the air to be treated and the high pressure blower 18 The flow rate is determined to be generally 0.01 to 0.03% of the mass of solids contained in the air, and then the equipment is assembled as shown in Fig. 1, and the air purification can be carried out as follows.
  • a flocculating agent polyacrylamide
  • the flow meter 22 and the air-water detector 13 are illuminated by the high-pressure air because the conductive electrode 14 is immersed in the water, and the "red light-water” indicator light is turned on.
  • the circulating water in the mixing drum 1 is rotated and circulated through the circulating water outlet, the control valve, the tee 8, the flow meter 22, the check valve 21, and the venturi 6.
  • the control valve on the circulation pipe is adjusted so that the volume flow of the circulating water is the volume flow of the air. 1/8 ⁇ 1/5, the purpose is to reduce the pipe resistance of the mixed fluid, determine the flow rate of the peristaltic pump 20 according to the total dust content of the air to be treated and the flow rate of the high pressure blower 5, so that the flocculant in the flow rate of the flocculant solution
  • the mass is in the flow of high pressure fan 5
  • the solid content is 0.01 ⁇ 0.03%
  • the peristaltic pump 20 is started, the flocculant solution is entered through the tee 8 and mixed with the circulating water, and the venturi tube 6 is mixed with the dust-containing air to wet the whole dust in the air. Adsorption and preliminary mixing.
  • the air passes through the center of the upper outlet of the mixing cylinder 1 to reach the deflater 15 of the purified air, and then is divided into two central and outer airflows by the lower edge of the collecting tray 1503, and the central airflow is in the gas cone. 1 502 and the deflector 1501 cooperate to overlap in the opposite rotation direction above the water collecting tray 1503, causing the supersaturated water vapor to condense into water, fall into the water collecting tray 1503, and then return from the water collecting outlet tube 1504.
  • the circulation system, and the purified air from which PM2.5 and excess moisture are discharged is discharged from the air exhaust pipe 11; the circulating water layer is located in the flocculation due to the density being centered.
  • Embodiment 1 Main parameters of the apparatus of the present embodiment 1.
  • High-pressure fan The outlet diameter is 50 mm, the ultimate pressure is 160 kPa, and the outlet pressure is 0.7363 kPa, and the flow rate is 68 m3/h.
  • peristaltic pump flow 0.2mIJ turn, 0-100 rev / min, adjustable.
  • the concentration of the flocculant polyacrylamide solution l.Oppm, 100mL is prepared.
  • Test equipment Air quality detector BR-AiR-329, measuring range 0-999 g/m3
  • the flow meter 22 and the air-water detector 13 have their "red light-water” indicator light, and the high pressure blower 5 is turned on, and the circulating water in the mixing cylinder 1 can be seen.
  • the bubble is rotated and flows through the circulating water outlet, the control valve, the tee 8, the flow meter 22, the check valve 21, and the venturi 6, and the bubble is discharged from the exhaust port tube 11.
  • the air quality detector is placed in a plastic bag having a volume of not less than 2 L to extrude the air therein, and then the plastic bag mouth is collected against the exhaust port tube 11 to collect a bag of the treated air, and the plastic bag is tied. The mouth, after one minute of reading, was collected 3 times and was not detected.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

L'invention concerne un appareil de purification d'air comprenant : un réservoir de mélange (1), un entonnoir de séparation vapeur-liquide (2), un réservoir de sédimentation (3), une tuyère (4) et un récipient de stockage de floculant (9). La tuyère (4) passe à travers une paroi latérale du réservoir de mélange (1). La tuyère (4) injecte de l'air dans le réservoir de mélange (1) le long d'une direction tangentielle du réservoir de mélange (1). Une entrée de la tuyère (4) est reliée à un tube Venturi (6). Une entrée d'air du tube Venturi (6) est reliée à un ventilateur (5). Une entrée d'eau de circulation du tube Venturi (6) est reliée, par l'intermédiaire d'un tuyau d'eau de circulation (7), à une sortie d'eau de circulation sur une paroi latérale de l'entonnoir de séparation vapeur-liquide (2). Le tuyau d'eau de circulation (7) est également relié au réservoir de stockage de floculant (9) par l'intermédiaire d'un raccord à trois voies (8). Une partie supérieure de l'entonnoir de séparation vapeur-liquide (2) est munie d'un tube d'évacuation de gaz (11). L'entonnoir de séparation vapeur-liquide (2) est muni intérieurement d'une électrode conductrice (14) et d'un réducteur d'écoulement turbulent (15). Une extrémité de l'électrode conductrice (14) est connectée à un détecteur air-eau (13). L'appareil offre un rendement et une flexibilité élevés, et il ne s'engorge pas facilement. L'invention permet de réguler une source de génération de particules PM2.5, de purifier efficacement l'air contaminé par des particules PM2.5 et d'obtenir une conservation significative des ressources d'eau.
PCT/CN2017/078373 2016-05-12 2017-03-28 Appareil de purification d'air Ceased WO2017193719A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610311671.9A CN105953332B (zh) 2016-05-12 2016-05-12 一种空气净化装置以及空气净化方法
CN201610311671.9 2016-05-12

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WO2017193719A1 true WO2017193719A1 (fr) 2017-11-16

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PCT/CN2017/078373 Ceased WO2017193719A1 (fr) 2016-05-12 2017-03-28 Appareil de purification d'air

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105953332B (zh) * 2016-05-12 2017-03-15 李依真 一种空气净化装置以及空气净化方法
CN108014594A (zh) * 2018-01-19 2018-05-11 苏州银雀智能科技有限公司 一种车载桶式螺旋型加叠网式多过滤联合除霾机
CN111053984A (zh) * 2020-02-19 2020-04-24 山东岱佑医药科技有限公司 用于阻断经飞沫传播如新冠状病毒疾病传染的装置
CN116292341B (zh) * 2023-05-22 2023-08-04 江苏中凯暖通设备有限公司 一种便于清洗的离心式消防排烟风机
CN117570549B (zh) * 2023-12-12 2024-04-30 济南海基科技发展有限公司 一种室内用空气净化及消杀设备

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JPH06292842A (ja) * 1993-04-09 1994-10-21 Hitachi Ltd 脱塵装置
CN201832555U (zh) * 2010-11-05 2011-05-18 中国石油化工股份有限公司 一种优化双循环烟气除尘脱硫装置
RU2451537C1 (ru) * 2011-01-31 2012-05-27 Виктор Михайлович Павловец Способ очистки газов от пыли
CN103908879A (zh) * 2014-03-14 2014-07-09 中国石油大学(北京) 一种双循环文氏棒塔烟气除尘脱硫系统
CN204973537U (zh) * 2015-09-21 2016-01-20 江苏南方涂装环保股份有限公司 一种内循环液再利用的废气净化处理装置
CN205055726U (zh) * 2015-08-11 2016-03-02 中国五环工程有限公司 湿法脱硫过程中pm2.5脱除装置
CN105953332A (zh) * 2016-05-12 2016-09-21 李依真 一种空气净化装置以及空气净化方法
CN205606795U (zh) * 2016-05-12 2016-09-28 李依真 一种空气净化装置

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CN2437392Y (zh) * 1999-08-03 2001-07-04 王振声 一体化消烟除尘脱硫脱氮节能装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06292842A (ja) * 1993-04-09 1994-10-21 Hitachi Ltd 脱塵装置
CN201832555U (zh) * 2010-11-05 2011-05-18 中国石油化工股份有限公司 一种优化双循环烟气除尘脱硫装置
RU2451537C1 (ru) * 2011-01-31 2012-05-27 Виктор Михайлович Павловец Способ очистки газов от пыли
CN103908879A (zh) * 2014-03-14 2014-07-09 中国石油大学(北京) 一种双循环文氏棒塔烟气除尘脱硫系统
CN205055726U (zh) * 2015-08-11 2016-03-02 中国五环工程有限公司 湿法脱硫过程中pm2.5脱除装置
CN204973537U (zh) * 2015-09-21 2016-01-20 江苏南方涂装环保股份有限公司 一种内循环液再利用的废气净化处理装置
CN105953332A (zh) * 2016-05-12 2016-09-21 李依真 一种空气净化装置以及空气净化方法
CN205606795U (zh) * 2016-05-12 2016-09-28 李依真 一种空气净化装置

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WO2017193720A1 (fr) 2017-11-16
CN105953332B (zh) 2017-03-15
CN105953332A (zh) 2016-09-21

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