WO2018113098A1 - 一种抽烟除尘设备 - Google Patents

一种抽烟除尘设备 Download PDF

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Publication number
WO2018113098A1
WO2018113098A1 PCT/CN2017/075547 CN2017075547W WO2018113098A1 WO 2018113098 A1 WO2018113098 A1 WO 2018113098A1 CN 2017075547 W CN2017075547 W CN 2017075547W WO 2018113098 A1 WO2018113098 A1 WO 2018113098A1
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Prior art keywords
air
air duct
duct body
pressurized
smoking
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PCT/CN2017/075547
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English (en)
French (fr)
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韩波
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韩波
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Publication of WO2018113098A1 publication Critical patent/WO2018113098A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D49/00—Separating dispersed particles from gases, air or vapours by other methods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool

Definitions

  • the invention relates to an environmental protection device, in particular to a dust removal device, in particular to a smoking and dust removal device which can be used for kitchen fume extraction and industrial dust removal.
  • the object of the present invention is to solve the problem that the existing fluid has to be discharged through the blade to easily cause blade contamination and cleaning, and to design a smoking and dust removing device that does not adsorb the surface of the blade.
  • a smoking and dust removing device comprises a casing 1 provided with an exhaust port, wherein the exhaust port communicates with an air inlet of the inner air duct body 11, and the inner air duct body 11 is installed.
  • the lower end of the pressurized air chamber 12 is connected to the air inlet of the inner air duct body 11, and the upper end of the pressurized air chamber 12 is connected to the outer air duct 22;
  • the lower end wall surface of the ball body 11 is provided with an air exhausting device 13 capable of discharging the gas of the inner air duct body 11 from the radial direction, thereby causing the inner air passage body 11 to generate a negative pressure to facilitate the inhalation of the soot into the inner air duct body, and exhausting the air.
  • the device 13 pressurizes the gas between the inner duct body 11 and the supercharged air chamber 12 while causing a negative pressure in the inner duct body 11 to rapidly flow to the outer duct 22, and the pressurized gas The gas in the inner air duct body 11 is driven to spirally rise through the exhaust passage 21 to the outer duct 22 .
  • the exhausting devices 13 are symmetrically distributed along the circumference of the inner duct body 11, and the number of the exhausting devices per week is at least four; the exhausting device 13 is arranged in the axial direction of the inner duct body 11 in a single or multiple weeks.
  • the outer duct 22 communicates with the upper end of the pressurized air chamber 12 through a Coanda arc tube 9.
  • the upper end of the inner duct body 11 is provided with a Coanda arc surface.
  • the pressurized air chamber 12 has a tapered structure, and the inner air duct body 11 has a cylindrical cylinder or a conical cylinder structure, and an outer wall of the inner duct body 11 and an inner wall of the supercharged air chamber 12 form a lower upper portion. Small venturi structure.
  • a shroud 2 is mounted around the casing 1 , and a baffle 16 having an arc structure capable of generating a swirling flow of the pumped gas is installed in the shroud 2, and the direction of rotation of the baffle 16 is controlled by the earth.
  • the direction of the magnetic field is controlled by the earth.
  • a horizontal ultraviolet lamp 3 for decomposing soot is attached to the lower portion of the casing 1 and the exhaust port.
  • An ultraviolet lamp 4 for decomposing soot is also installed in the inner duct body 11.
  • the casing 1 is provided with an oil collecting groove 23, and the oil collecting groove is connected with an oil draining switch 24.
  • a smoke guide plate 14 is mounted around the casing 1 .
  • the invention changes the traditional problem that the traditional range hood soot must be run through the blade to cause leaf pollution and run instability, so that the soot is discharged from the exhaust air by the tornado structure, and the blade is basically free from the pollution of the oil smoke, thereby eliminating the hood. The pain of cleaning.
  • the invention changes the traditional negative pressure generating mode, and uses the radial exhaust to generate a negative pressure at the center of the exhaust passage while generating a positive pressure exhaust between the inner and outer air cylinders, and forms a venturi effect at the outlet end of the inner cylinder to quickly make the fumes Exhaust from the outside.
  • the exhaust fan installation of this structure breaks through the structure of the conventional range hood, and no fumes are formed on the blade. At the same time, a small amount of soot adsorbed on the surface of the blade can be decomposed by the action of the ultraviolet lamp tube, and the blade is not polluted.
  • the invention is suitable for use in a family kitchen, and is more suitable for use in a large kitchen of the catering industry, and is also suitable for working in addition to dust removal.
  • the invention has the advantages of simple structure, convenient manufacture and installation, and long-term work without cleaning.
  • Figure 1 is a schematic view of the assembly of the present invention.
  • Fig. 2 is a side elevational view and a plan view of the oil collecting groove of the present invention.
  • Fig. 3 is a schematic view showing the installation of UV light of the present invention.
  • Figure 4 is a front elevational view of the smoke guide of the present invention.
  • Fig. 5 is a front elevational, partial cross-sectional view showing the shroud of the present invention.
  • Figure 6 is a side elevational, plan view of the pressurized air chamber base of the present invention.
  • Fig. 7 is a side elevational, plan view showing the upper portion of the supercharged air chamber of the present invention.
  • Fig. 8 is a developed view of the inner duct body of the present invention.
  • Fig. 9 is a front view and a plan view of an exhaust passage body of the present invention.
  • 1-shell, 2-flow shroud (the baffles in the shroud are arranged clockwise in the northern hemisphere, counterclockwise in the southern hemisphere), 3-level UV lamp, 4-UV lamp, 5-power switch , 6-light switch, 7-light cleaning and opening, 8-fan governor, 9-Coanda arc tube, 10-ring (venturi) outlet, 11-inner duct body, 12-charged air chamber , 13-exhaust device, 14-guide board, 15-screw, 16-fluid deflector, 17-filter net, 18-ultraviolet lamp holder, 19-ultraviolet lamp connection clip, 20-ring (puffling)
  • the device is surrounded by a ring, mesh or two 180 degrees symmetrical circular air outlets, 21-exhaust passage, 22-outer duct, 23-sump, 24-switch.
  • a smoking and dust removing device comprises a casing 1 , a casing 14 is mounted around the casing 1 (Fig. 4), and a guide hood 2 is mounted on the inner side of the hood, and the hood 2 is installed to enable the pumping
  • the gas generates a swirling curved baffle 16 of the swirling structure.
  • the direction of rotation of the deflector 16 is controlled by the earth's magnetic field.
  • the baffles 16 in the shroud are arranged clockwise in the northern hemisphere and counterclockwise in the southern hemisphere (Fig. 5).
  • the casing 1 is provided with an oil collecting groove 23, and the oil collecting groove is connected with an oil discharge switch 24 (Fig. 2).
  • An exhaust port is provided in the middle position (also offset) of the casing 1, and one or more horizontal ultraviolet lamps 3 for decomposing the soot are preferably installed at the lower portion of the exhaust port to reduce the content of soot in the flue gas.
  • the exhaust port is in communication with the intake port of the inner duct body 11, and the inner duct body 11 is mounted in the pressurized air chamber body 12 (as shown in the exploded view shown in Figs. 6 and 7).
  • the air pressure chamber 12 has a conical structure, and the inner air duct body 11 has a cylindrical cylinder or a conical cylinder structure, and the inner duct body 11 is preferably also provided with one or more ultraviolet lamps 4 for decomposing soot. 1, 3).
  • the upper end of the inner air duct body 11 is preferably also designed as a Coanda arc surface (Fig. 1), and a small and small venturi air outlet structure is formed between the outer wall of the inner air duct body 11 and the inner wall of the pressurized air chamber body 12. (Circular exit 10).
  • the lower end of the pressurized air chamber 12 is connected to the outer edge of the air inlet (lower end) of the inner duct body 11 (depending on the processing medium, it may be sealed or connected, and is preferably sealed when connected as a range hood)
  • the upper end of the pressurized air chamber 12 is in communication with the outer duct 22 via a Coanda arc tube 9 (Fig.
  • the inner duct is mounted on the lower end wall of the inner duct body 11
  • the gas of the body 11 is discharged from the radial direction, so that the inner air passage body 11 generates a negative pressure to facilitate the suction of the dust into the air exhausting device 13 in the inner air duct body (the exhaust fan or the common negative pressure generating device can be used), and the air exhausting device 13 Installed in a plurality of air outlets 20 (FIG. 8) arranged in a ring shape, the air exhausting device 13 generates a negative pressure in the inner air duct body 11 while being located between the inner air duct body 11 and the pressurized air chamber body 12.
  • the gas is pressurized to flow rapidly to the outer duct 22, and the pressurized gas causes the gas in the inner duct body 11 to rapidly spirally rise through the exhaust passage 21 to the outer duct 22.
  • the air exhausting device 13 should be symmetrically distributed along the circumference of the inner air duct body 11, and the number of air exhausting devices per week is at least four; the air exhausting device 13 is arranged along the inner air duct body 11 in one or more weeks. As shown in Figure 1.
  • the working principle of the invention is that the fluid guides in the fluid guide hood (the baffles in the shroud are arranged clockwise in the northern hemisphere and the south hemisphere are arranged counterclockwise) to form a rotation tendency of the fluid group to the inner cavity of the casing.
  • the fluid group is purified by ultraviolet light and then flows into the inner air duct body.
  • the fluid mass is pulled by the annular equal pumping system in the inner air duct body to form a rotating fluid; the wall airflow in the inner air duct body is 180 degrees.
  • the two-way symmetrical exhaust device creates a negative pressure zone in the inner flue, the rotating fluid flows rapidly to the negative pressure, and the airflow in the inner air duct is equalized by the 180 degree two-way venting device.
  • the suction generates a high-pressure fluid in the pressurized air chamber, and the high-pressure fluid accelerates the injection through a narrow annular (venturi) outlet of the upper end of the inner air passage and the upper end of the pressurized chamber, and the high-speed fluid injected causes the inner upper portion of the inner air passage to be under negative pressure.
  • the zone enhancement further accelerates the rotating fluid and mixes it with the high-speed jet fluid in the spray zone, and the jet flow is accelerated by the exhaust passage body having the Coanda arc surface, and the upper air passage body is formed again.
  • a negative pressure zone increases the flow rate, and the fluid mixture enters the outer air duct through the outer air duct interface to discharge the mixed fluid.
  • the utility model relates to a smoking dust removing device, which is realized by the wind collecting chamber, the inner air duct body, the air exhausting port of the lower part of the inner air duct body, the upper part of the inner air duct body and the outlet formed by the pressurizing chamber, and the exhaust air connected to the upper part of the pressurizing chamber
  • the channel and the external air duct interface with the upper part of the exhaust duct are specifically configured as: a smoke dust collector housing 1 having a fluid shroud attached to the inner edge thereof by screws (the baffles in the shroud are arranged clockwise in the northern hemisphere) The southern hemisphere is arranged counterclockwise. 2, the outer part of the shroud 2 is covered with an oil filter net 17.
  • the horizontal ultraviolet lamp 3 is fixedly connected to the inner wall of the cavity by a screw in the chamber of the smoking dust collector, and the central ultraviolet lamp 3 is in the middle zone.
  • the inner bottom of the pressurized air chamber 12 is fixedly connected with an inner air passage by screws.
  • the inner air duct body 11 has an annular (circular, mesh or two-180-degree circular circular) air outlet 20 (the circular air outlet can be set to multiples of 2 or more Annular), each outlet 20 (circular, mesh, circular outlet)
  • the air exhausting device 13 is fixedly connected by screws, and the lower end of the inner air duct body 11 is provided with an ultraviolet lamp fixing bracket 18 fixedly connected by screws.
  • the inner air duct body 11 has an ultraviolet lamp 4 in the center, and the ultraviolet lamp 4 is fixed by the ultraviolet lamp fixing bracket.
  • the inner air duct body 11 has a pressurized air chamber body 12 outside, and the outer lower end of the inner air duct body 11 and the lower end of the pressurized air chamber body 12 are borrowed.
  • the screw phase is fixedly connected, and the outer upper end of the inner air duct body 11 and the upper end of the pressurized air chamber body 12 form a narrow annular (venturi) outlet 10, and the outer upper end of the pressurized air chamber body 12 is fixedly connected to the lower end of the exhaust passage 21, and is arranged.
  • the gas passage 21 has a Coanda arc surface 9, and the exhaust passage 21 is fixedly connected to the outer air duct interface 22, the lower part of the smoke dust collector 1 has an oil collecting groove 23, and the lower part of the oil collecting groove 23 has a switch capable of discharging oil into the container. twenty four.
  • the smoke dust collector housing 1 has a fluid guiding cover fixed on the inner edge thereof by screws (the deflector in the shroud is arranged clockwise according to the northern hemisphere and the southern hemisphere is arranged counterclockwise) 2
  • the outside of the flow cover 2 is covered with an oil filter net 17, and a horizontal ultraviolet lamp 3 is fixedly connected to the inner wall of the cavity by a screw in the chamber of the smoke dust collector, and a UV lamp connection clip 19 is provided in the middle of the horizontal ultraviolet lamp 3, and the smoke dust collector is provided.
  • the center of the upper part of the casing 1 has a pressurized air chamber 12 fixedly connected to the inner cavity by a screw.
  • the inner bottom of the pressurized air chamber 12 is fixedly connected with the inner air duct body 11 by screws, and the inner air duct body 11 is belted.
  • the lower end of the inner duct body 11 is provided with an ultraviolet lamp fixing bracket 18 fixedly connected by a screw, and the inner air passage is provided.
  • the center of the body 11 has an ultraviolet lamp 4, and the ultraviolet lamp 4 is fixedly connected to the inner cavity of the inner air duct body 11 by the ultraviolet lamp fixing bracket 18 and the ultraviolet lamp connecting clip 19, and the inner air duct body 11 has a pressurized air chamber 12 inside.
  • the lower end of the air duct body 11 and the inner side of the pressurized air chamber 12 The outer end of the inner air duct body 11 and the upper end of the pressurized air chamber body 12 form a narrow annular (venturi) outlet 10, and the outer upper end of the pressurized air chamber body 12 is fixedly connected to the lower end of the exhaust passage 21
  • the exhaust passage 21 has a Coanda arc surface 9, and the exhaust passage 21 is fixedly connected to the outer air duct 22, and the lower part of the smoking dust collector 1 has an oil collecting groove 23, and the lower part of the oil collecting groove 23 is provided with oil capable of discharging into the container. Switch 24.
  • the smoke dust collector housing 1 has a fluid guiding cover fixed on the inner edge thereof by screws (the deflector in the shroud is arranged clockwise according to the northern hemisphere and the southern hemisphere is arranged counterclockwise) 2
  • the outside of the flow cover 2 is covered with an oil filter net 17, and a horizontal ultraviolet lamp 3 is fixedly connected to the inner wall of the cavity by a screw in the chamber of the smoke dust collector, and a UV lamp connection clip 19 is provided in the middle of the horizontal ultraviolet lamp 3, and the smoke dust collector is provided.
  • the center of the upper part of the casing 1 has a pressurized air chamber 12 fixedly connected to the inner cavity by a screw.
  • the inner bottom of the pressurized air chamber 12 is fixedly connected with the inner air duct body 11 by screws, and the inner air duct body 11 is belted.
  • There are two or two 180 degree symmetrical circular air outlets 20 (the circular air outlets can be set to more than 2 or the entire circular ring), and the outer side of each circular air outlet 20 is fixedly connected with an air exhaust device 13 by screws.
  • the lower end of the air duct body 11 is provided with an ultraviolet lamp fixing bracket 18 fixedly connected by a screw.
  • the inner air duct body 11 has an ultraviolet lamp 4 in the center, and the ultraviolet lamp 4 is fixedly connected by the ultraviolet lamp fixing bracket 18 and the ultraviolet lamp connecting clip 19
  • the inner cavity of the air duct body 11 is outside the inner air duct body 11
  • There is a pressurized air chamber 12 and the outer lower end of the inner air duct body 11 is fixedly connected with the lower end of the pressurized air chamber body 12 by screws, and the outer upper end of the inner air duct body 11 and the upper end of the pressurized air chamber body 12 form a narrow ring.
  • the upper end of the supercharged air chamber 12 is fixedly connected to the lower end of the exhaust passage 21, the exhaust passage 21 has a Coanda arc surface 9, and the exhaust passage 21 is fixedly connected to the outer duct interface 22, the lower part of the smoking dust collector 1 has an oil collecting groove 23, and the lower part of the oil collecting groove 23 is provided with a switch 24 capable of discharging oil into the container.
  • a smoking dust removing device the smoke dust collector housing 1, the inner edge of which has a fluid guiding cover fixed by screws (The baffles in the shroud are arranged clockwise in the northern hemisphere and counterclockwise in the southern hemisphere) 2, the outer part of the shroud 2 is covered with the oil filter net 17, and the cavity of the casing of the smoking dust collector is screwed to the inner wall of the cavity.
  • the fixed connection horizontal ultraviolet lamp 3, the horizontal ultraviolet lamp 3 has an ultraviolet lamp connection clip 19 in the middle, and the upper part of the smoking dust collector housing 1 has a pressurized air chamber 12 fixedly connected with the inner cavity by a screw, and the supercharged wind
  • the inner air duct body 11 is fixedly connected to the inner opening of the cavity 12 by a screw, and the inner air duct body 11 has an annular air outlet 20, and the outer side of the annular air outlet 20 is fixedly connected with an air exhausting device 13 by means of a screw, and the inner air duct body 11 is 11
  • the lower end is provided with an ultraviolet lamp fixing bracket 18 fixedly connected by a screw.
  • the inner air duct body 11 has an ultraviolet lamp 4 in the center, and the ultraviolet lamp 4 is fixedly connected to the inner air duct body 11 by the ultraviolet lamp fixing bracket 18 and the ultraviolet lamp connecting clip 19.
  • the ultraviolet lamp 4 is fixedly connected to the inner air duct body 11 by the ultraviolet lamp fixing bracket 18 and the ultraviolet lamp connecting clip 19.
  • the center of the inner cavity there is a pressurized air chamber 12 outside the inner air duct body 11, and the outer lower end of the inner air duct body 11 is fixedly connected with the lower end of the pressurized air chamber body 12 by screws, and the outer upper end of the inner air duct body 11 is supercharged.
  • a narrow annular (venturi) outlet 1 is formed at the upper end of the wind chamber 12.
  • the upper outer end of the pressurized air chamber 12 is fixedly connected to the lower end of the exhaust passage 21, the exhaust passage 21 has a Coanda arc surface 9, and the exhaust passage 21 is fixedly connected to the outer air duct interface 22, and the smoke dust collector
  • the lower part has an oil collecting groove 23, and the lower part of the oil collecting groove 23 is provided with a switch 24 for discharging oil into the container.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
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Abstract

一种抽烟除尘设备，它包括壳体(1)，壳体(1)上设有排气口，所述的排气口与内风道体(11)的进气口相连通，内风道体(11)安装在增压风腔体(12)中，增压风腔体(12)的下端与内风道体(11)进气口外缘相连，增压风腔体(12)的上端与外风管(22)相连通；在所述的内风道体(11)的下端壁面上安装有能将内风道体(11)的气体从径向排出、从而使内风道体(11)产生负压以利于烟尘吸入内风道体中的排风装置(13)，排风装置(13)在内风道体(11)中产生负压的同时，对位于内风道体(11)和增压风腔体(12)之间的气体进行增压使之快速流向外风管(22)，增压后的气体带动内风道体(11)中的气体快速排向外风管(22)。该设备结构简单，制造安装维修方便，能免清洗长期工作。

Description

一种抽烟除尘设备 技术领域
本发明涉及一种环保设备，尤其是一种除尘设备，具体地说是一种既能用于厨房抽油烟，又能用于工业除尘的抽烟除尘设备。
背景技术
随着经济的发展，人们的生活方式发生了改变，电子技术的发展带来各行业的自动化程度的提高，扫地机器出现，但由于抽吸力不足，致使效果不佳。工业自动的发展，越来越注重对机器和生产者的保护，现有的除尘是用高压气体经文丘里放大器形成负压而排出，此等设备结构复杂，除尘效率低下。住宅小区发展也是日新月异，小区单元房，厨房间与居室在同一空间内，厨房产生的油烟成为隐形的杀手，因此厨房排烟成了家居考虑的主要问题，厨房用油烟机顺势而生，从世界第一台油烟机由二战时期由瑞士弗兰卡公司生产到现在出现了各式各样的油烟机，油烟机的原理和主要结构变化不大，都是排风扇在油烟腔的远端转动抽吸油烟腔近端的气体，使近端成为负压区，油烟经过负压区到达排风扇，经扇叶搅动使其油烟排出，这种设计使产生的油污容易附着在扇叶上，长时间的工作使扇叶上的油污越来越多，导致风扇的功率降低、噪声增大、排烟效果越来越差，为了产生好的吸烟效果，油烟扇叶要定期清洗，清洗工作要专业人员且要小心，一旦不慎把扇叶的弧面损坏变形就会导致扇面与电机的同心运动破坏，这样使油烟机报废造成损失。鉴于此上因核心抽吸动力方式不合理原因，特发明改善其核心动力问题的一种抽烟除尘设备。
发明内容
本发明的目的是针对现有的流体必需经过扇叶才能排出而易造成叶片污染、清洗困难的问题，设计一种污染物不会吸附在叶片表面的抽烟除尘设备。
本发明的技术方案是：
一种抽烟除尘设备，它包括壳体1，壳体1上设有排气口，其特征是所述的排气口与内风道体11的进气口相连通，内风道体11安装在增压风腔体12中，增压风腔体12的下端与内风道体11进气口相连，增压风腔体12的上端与外风管22相连通；在所述的内风道体11的下端壁面上安装有能将内风道体11的气体从径向排出、从而使内风道体11产生负压以利于烟尘吸入内风道体中的排风装置13，排风装置13在内风道体11中产生负压的同时，对位于内风道体11和增压风腔体12之间的气体进行增压使之快速流向外风管22，增压后的气体带动内风道体11中的气体快速通过排气通道21螺旋式上升排向外风管22。
所述的排风装置13沿内风道体11的圆周对称分布，每周的排风装置的数量至少为4个；排风装置13沿内风道体11轴向单周或多周布置。
所述的外风管22通过一个科恩达弧面管9与增压风腔体12的上端相连通。
所述的内风道体11的上端设有一个科恩达弧面。
所述的增压风腔体12呈锥形结构，内风道体11呈圆柱筒体或圆锥筒体结构，内风道体11外壁与增压风腔体12的内壁之间形成下大上小的文丘里出风结构。
所述的壳体1四周安装有导流罩2，导流罩2中安装有能使所抽气体产生旋流的弧形结构的导流片16，导流片16的旋向受控于地球磁场走向。
所述的壳体1中、排气口的下部安装有用于分解油烟的水平紫外线灯3。
所述的内风道体11中也安装有用于分解油烟的紫外线灯4。
所述的壳体1上设有集油槽23，集油槽连接有放油开关24。
所述的壳体1的四周安装有导烟板14。
本发明的有益效果：
本发明改变了传统的抽油烟机油烟必须经过叶片排出易造成叶片污染而运行失稳的世纪难题，使油烟呈***结构从排风客排出，叶片基本不受油烟污染，从而免去的油烟机清洗之苦。
本发明改变传统的负压产生方式，利用径向排风在排风通道中心产生负压的同时在内外风筒之间产生正压排风，在内筒出口端形成文丘里效应，将油烟快速排出室外。这种结构的排风扇安装突破了传统油烟机的结构，而且叶片上不会形成油烟，同时还可借助紫外灯管的作用对吸附在叶片表面的少量油烟进行分解，不会造成叶片的污染。
本发明既适用于家庭厨房，更适用于餐饮业大厨房使用，同时还适用于工作除类除尘。
本发明结构简单，制造安装维修方便，，能免清洗长期工作。
附图说明
图1是本发明的组装示意图。
图2是本发明的集油槽侧视、俯视图。
图3是本发明的UV光的安装示意图。
图4是本发明的导烟板主视图。
图5是本发明的导流罩主视图、局部剖示图。
图6是本发明的增压风腔体底座侧视、俯视图。
图7是本发明的增压风腔体上部侧视、俯视图。
图8是本发明的内风道体的展开图。
图9是本发明的排气通道体的主、俯视图。
图中：1-壳体、2-导流罩(导流罩内的导流片按北半球顺时针排列、南半球按逆时针排列)、3-水平紫外线灯、4-紫外线灯、5-电源开关、6-照明开关、7-光清洗开光、8-风机调速器、9-科恩达弧面管、10-环形(文丘里)出口、11-内风道体、12-增压风腔体、13-排风装置、14-导烟板、15-螺丝、16-流体导流片、17-滤油网、18-紫外线灯固定支架、19-紫外线灯连接卡子、20-环形(抽气装置围成的环形、网状或两两180度对称的圆形)出风口、21-排气通道、22-外风管、23-集油槽，24-开关。
具体实施方式
下面结合附图和实施例对本发明作进一步的说明。
如图1-9所示。
一种抽烟除尘设备，它包括壳体1，壳体1的四周安装有导烟板14(图4)，导烟板内侧安装有导流罩2，导流罩2中安装有能使所抽气体产生旋流的弧形结构的导流片16，导流片16的旋向受控于地球磁场走向，导流罩内的导流片16按北半球顺时针排列、南半球按逆时针排列(图5)。壳体1上设有集油槽23，集油槽连接有放油开关24(图2)。壳体1中间位置(也可偏置)上设有排气口，排气口下部最好安装有一根或多根用于分解油烟的水平紫外线灯3以降低烟气中油烟的含量。所述的排气口与内风道体11的进气口相连通，内风道体11安装在增压风腔体12(如图6、7所示的分解图)中，所述的增压风腔体12呈锥形结构，内风道体11呈圆柱筒体或圆锥筒体结构，内风道体11中最好也安装一根或多根用于分解油烟的紫外线灯4(图1、3)。内风道体11的上端最好也设计成科恩达弧面(如图1)，内风道体11外壁与增压风腔体12的内壁之间形成下大上小的文丘里出风结构(环形出口10)。增压风腔体12的下端与内风道体11进气口(下端)外缘相连(视处理介质不同，可以密封相连，也可不密封相连，而在作为抽油烟机时最好是密封相连)，增压风腔体12的上端通过一个科恩达弧面管9(图9)与外风管22相连通；在所述的内风道体11的下端壁面上安装有能将内风道体11的气体从径向排出、从而使内风道体11产生负压以利于烟尘吸入内风道体中的排风装置13(可采用排风扇或共它负压发生装置)，排风装置13安装在环形布置的多个出风口20(图8)中，排风装置13在内风道体11中产生负压的同时，对位于内风道体11和增压风腔体12之间的气体进行增压使之快速流向外风管22，增压后的气体带动内风道体11中的气体快速通过排气通道21螺旋式上升排向外风管22。具体实施时所 述的排风装置13应沿内风道体11的圆周对称分布，每周的排风装置的数量至少为4个；排风装置13沿内风道体11轴向单周或多周布置，如图1所示。
本发明的工作原理是：流体经流体导流罩(导流罩内的导流片按北半球顺时针排列、南半球按逆时针排列)内的导流片初步形成流体团的旋转趋势到壳体内腔，流体团经紫外线光照射净化后流入内风道体，流体团在内风道体内受到环形对等抽力抽气***牵拉旋转，形成旋转流体；内风道体内的附壁气流经180度两两对称的排风装置对等抽吸使内烟道体内形成负压区，旋转流体向负压快速流动，内风道体内的附壁气流经180度两两对称的排风装置对等抽吸在增压风腔体内形成高压流体，高压流体经由内风道体外上端与增压腔体上端形成狭窄的环形(文丘里)出口加速喷射，喷射的高速流体又使内风道体内上部负压区增强使旋转流体进一步加速并与高速喷射流体相混合于喷射区，喷射区的气流经内有柯恩达弧面的排气通道体加速排出，至此在内风道体上部又形成一个负压区而增加流速，流体混合物经外风管接口进入外风管，从而排出混合流体。
实例1。
一种抽烟除尘设备，它是这样实现的集风腔、内风道体、内风道体下部的抽风口、内风道体上部与增压腔形成的出口、增压腔上部相连的排风通道以及与排气道上部的外风管接口具体结构为：抽烟除尘器壳体1，其内边缘有借螺丝固定连接有流体导流罩(导流罩内的导流片按北半球顺时针排列、南半球按逆时针排列)2，导流罩2外部覆盖有滤油网17，抽烟除尘器壳体1腔内有借螺丝与腔内壁相固定连接的水平紫外线灯3，水平紫外线灯3中部带有紫外线灯连接卡子19，抽烟除尘器壳体1上部中心有借螺丝与内腔体相固定连接的增压风腔体12，增压风腔体12下内口借螺丝固定连接有内风道体11，内风道体11上带有环形(抽气装置围成的环形、网状或两两180度对称的圆形)出风口20(圆形出风口可设2的倍数个以上或整个圆环形)，每一出风口20(环形、网状、圆形出风口)外侧借螺丝固定连接有排风装置13，内风道体11下端带有借螺丝与其相固定连接的紫外线灯固定支架18，内风道体11中心有紫外线灯4，紫外线灯4借紫外线灯固定支架18和紫外线灯连接卡子19固定连接于内风道体11内腔中心，内风道体11外部有增压风腔体12，内风道体11外下端与增压风腔体12内下端借螺丝相固定连接，内风道体11外上端与增压风腔体12上端形成狭窄的环形(文丘里)出口10，增压风腔体12外上端固定连接于排气通道21内下端，排气通道21内有科恩达弧面9，排气通道21外上固定连接于外风管接口22，抽烟除尘器1下部有集油槽23，集油槽23下部带有能往容器内放油的开关24。
实例2。
一种抽烟除尘设备，抽烟除尘器壳体1，其内边缘有借螺丝固定连接有流体导流罩(导流罩内的导流片按北半球顺时针排列、南半球按逆时针排列)2，导流罩2外部覆盖有滤油网17，抽烟除尘器壳体1腔内有借螺丝与腔内壁相固定连接的水平紫外线灯3，水平紫外线灯3中部带有紫外线灯连接卡子19，抽烟除尘器壳体1上部中心有借螺丝与内腔体相固定连接的增压风腔体12，增压风腔体12下内口借螺丝固定连接有内风道体11，内风道体11上带有环形网状出风口20，每一网状出风口20外侧借螺丝固定连接有排风装置13，内风道体11下端带有借螺丝与其相固定连接的紫外线灯固定支架18，内风道体11中心有紫外线灯4，紫外线灯4借紫外线灯固定支架18和紫外线灯连接卡子19固定连接于内风道体11内腔中心，内风道体11外部有增压风腔体12，内风道体11外下端与增压风腔体12内下端借螺丝相固定连接，内风道体11外上端与增压风腔体12上端形成狭窄的环形(文丘里)出口10，增压风腔体12外上端固定连接于排气通道21内下端，排气通道21内有科恩达弧面9，排气通道21外上固定连接于外风管22，抽烟除尘器1下部有集油槽23，集油槽23下部带有能往容器内放油的开关24。
实例3。
一种抽烟除尘设备，抽烟除尘器壳体1，其内边缘有借螺丝固定连接有流体导流罩(导流罩内的导流片按北半球顺时针排列、南半球按逆时针排列)2，导流罩2外部覆盖有滤油网17，抽烟除尘器壳体1腔内有借螺丝与腔内壁相固定连接的水平紫外线灯3，水平紫外线灯3中部带有紫外线灯连接卡子19，抽烟除尘器壳体1上部中心有借螺丝与内腔体相固定连接的增压风腔体12，增压风腔体12下内口借螺丝固定连接有内风道体11，内风道体11上带有两两180度对称的圆形出风口20(圆形出风口可设2的倍数个以上或整个圆环形)，每一圆形出风口20外侧借螺丝固定连接有排风装置13，内风道体11下端带有借螺丝与其相固定连接的紫外线灯固定支架18，内风道体11中心有紫外线灯4，紫外线灯4借紫外线灯固定支架18和紫外线灯连接卡子19固定连接于内风道体11内腔中心，内风道体11外部有增压风腔体12，内风道体11外下端与增压风腔体12内下端借螺丝相固定连接，内风道体11外上端与增压风腔体12上端形成狭窄的环形(文丘里)出口10，增压风腔体12外上端固定连接于排气通道21内下端，排气通道21内有科恩达弧面9，排气通道21外上固定连接于外风管接口22，抽烟除尘器1下部有集油槽23，集油槽23下部带有能往容器内放油的开关24。
实例4。
一种抽烟除尘设备，抽烟除尘器壳体1，其内边缘有借螺丝固定连接有流体导流罩 (导流罩内的导流片按北半球顺时针排列、南半球按逆时针排列)2，导流罩2外部覆盖有滤油网17，抽烟除尘器壳体1腔内有借螺丝与腔内壁相固定连接的水平紫外线灯3，水平紫外线灯3中部带有紫外线灯连接卡子19，抽烟除尘器壳体1上部中心有借螺丝与内腔体相固定连接的增压风腔体12，增压风腔体12下内口借螺丝固定连接有内风道体11，内风道体11上带有环形出风口20，环形出风口20外侧借螺丝固定连接有排风装置13，内风道体11下端带有借螺丝与其相固定连接的紫外线灯固定支架18，内风道体11中心有紫外线灯4，紫外线灯4借紫外线灯固定支架18和紫外线灯连接卡子19固定连接于内风道体11内腔中心，内风道体11外部有增压风腔体12，内风道体11外下端与增压风腔体12内下端借螺丝相固定连接，内风道体11外上端与增压风腔体12上端形成狭窄的环形(文丘里)出口10，增压风腔体12外上端固定连接于排气通道21内下端，排气通道21内有科恩达弧面9，排气通道21外上固定连接于外风管接口22，抽烟除尘器1下部有集油槽23，集油槽23下部带有能往容器内放油的开关24。
本发明未涉及部分均与现有技术相同或可采用现有技术加以实现。

Claims (10)

  1. 一种抽烟除尘设备，它包括壳体(1)，壳体(1)上设有排气口，其特征是所述的排气口与内风道体(11)的进气口相连通，内风道体(11)安装在增压风腔体(12)中，增压风腔体(12)的下端与内风道体(11)进气口相连，增压风腔体(12)的上端与外风管(22)相连通；在所述的内风道体(11)的下端壁面上安装有能将内风道体(11)的气体从径向排出、从而使内风道体(11)产生负压以利于烟尘吸入内风道体中的排风装置(13)，排风装置(13)在内风道体(11)中产生负压的同时，对位于内风道体(11)和增压风腔体(12)之间的气体进行增压使之快速流向外风管(22)，增压后的气体带动内风道体(11)中的气体快速排向外风管(22)。
  2. 根据权利要求1所述的抽烟除尘设备，其特征是所述的排风装置(13)沿内风道体(11)的圆周对称分布，每周的排风装置的数量至少为4个；排风装置(13)沿内风道体(11)轴向单周或多周布置。
  3. 3、根据权利要求1所述的抽烟除尘设备，其特征是所述的外风管(22)通过一个科恩达弧面管(9)与增压风腔体(12)的上端相连通。
  4. 根据权利要求1所述的抽烟除尘设备，其特征是所述的内风道体(11)的上端设有一个科恩达弧面。
  5. 根据权利要求1所述的抽烟除尘设备，其特征是所述的增压风腔体(12)呈锥形结构，内风道体(11)呈圆柱筒体或圆锥筒体结构，内风道体(11)外壁与增压风腔体(12)的内壁之间形成下大上小的文丘里出风结构。
  6. 根据权利要求1所述的抽烟除尘设备，其特征是所述的壳体(1)四周安装有导流罩(2)，导流罩(2)中安装有能使所抽气体产生旋流的弧形结构的导流片(16)，导流片(16)的旋向受控于地球磁场走向。
  7. 根据权利要求1所述的抽烟除尘设备，其特征是所述的壳体(1)中、排气口的下部安装有用于分解油烟的水平紫外线灯(3)。
  8. 根据权利要求1所述的抽烟除尘设备，其特征是所述的内风道体(11)中也安装有用于分解油烟的紫外线灯(4)。
  9. 根据权利要求1所述的抽烟除尘设备，其特征是所述的壳体(1)上设有集油槽(23)，集油槽连接有放油开关(24)。
  10. 根据权利要求1所述的抽烟除尘设备，其特征是所述的壳体(1)的四周安装有导烟板(14)。
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