CN102890026A - Intake contamination sample feeding system for medically forced atomizing - Google Patents

Intake contamination sample feeding system for medically forced atomizing Download PDF

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Publication number
CN102890026A
CN102890026A CN2012104181280A CN201210418128A CN102890026A CN 102890026 A CN102890026 A CN 102890026A CN 2012104181280 A CN2012104181280 A CN 2012104181280A CN 201210418128 A CN201210418128 A CN 201210418128A CN 102890026 A CN102890026 A CN 102890026A
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China
Prior art keywords
atomizing
venturi nozzle
cyclone separator
cone
centrifugal separator
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CN2012104181280A
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CN102890026B (en
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张小沁
周庆云
刘刚
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Shanghai Chemical Institute Testing Co., Ltd.
Shanghai Research Institute of Chemical Industry SRICI
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Shanghai Research Institute of Chemical Industry SRICI
Shanghai Tianke Chemical Detection Co Ltd
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Abstract

The invention relates to an intake contamination sample feeding system for medically forced atomizing. The system comprises a venturi nozzle, a centrifugal separator, an atomizing cone and a cyclone separator, wherein one end of the venturi nozzle is provided with a tested object inlet and a high-pressure air inlet, the other end of the venturi nozzle is inserted in the centrifugal separator, the centrifugal separator is connected with the cyclone separator through a connection pipe, and the cyclone separator is connected with a contamination cavity through an aerial fog outlet connection pipe. Compared with the prior art, combined atomization is realized through the venturi nozzle and an impact atomizing cone, secondary liquid drop separation is carried out through high-speed centrifugal and cyclone separators, the effective utilization rate of a tested object entering the contamination cavity is improved, and the lower limit of fogdrop size can be reduced effectively.

Description

A kind of Inhalation sampling system of mechanical forced atomizing
Technical field
The present invention relates to a kind of Inhalation sampling system, especially relate to a kind of Inhalation sampling system of mechanical forced atomizing.
Background technology
But the toxicity on inhalation test is to estimate the inhalation test sample, could absorb and the toxicity size through respiratory tract such as volatile matter, gasoloid or particle, so that test specimen is carried out toxicity grading and sign.The Inhalation sampling system is the key component that is applied to this test Inhalation equipment.
Usually particle diameter is called PM10 at the particle below 10 microns, be called again pellet.The diameter of particle is less, and the position that enters respiratory tract is darker.More tiny particle is larger to harm, particle diameter can be by the vibrissa occlusion above 10 microns particle, also can discharge human body by cough, and particle diameter can be with people's breathing deposition lung less than 10 microns pellet, even can enter alveolar, blood.The particle of 10 micron diameters is deposited on the upper respiratory tract usually, and the deep of the entered respiratory tract of 5 micron diameters can 100% be deep into bronchus and alveolar below 2 microns.Pulmonary deposition ratio the highest be that particle diameter is the particle about 1 micron.These particles are under the alveolar deposition, and damage alveolar and mucous membrane cause lung tissue pathology and other toxic effects.So, the Inhalation test, primary goal also is simultaneously to the most important thing is how the tested material particle diameter is atomized to needed size, desirable tested material particle size range is the 1-4 micron.
The atomization system of present Inhalation equipment is disposable high-pressure atomization technology or utilizes venturi principle, and atomizing effect is not very desirable, and the mist droplet particle size major part can not reach 10 microns after the atomizing, does not more say to have reached the desirable particle size range of 1-4 micron.If the atomizing after the mist droplet particle size major part 10 microns and more than, tested material rests on the upper respiratory tract all the time so, can not be deep into bronchus and the alveolar of the lower respiratory tract of animal used as test, cause the validity of Inhalation test findings to be had a greatly reduced quality, accuracy is deeply influenced.
Summary of the invention
Purpose of the present invention is exactly to provide a kind of volume little for the defective that overcomes above-mentioned prior art existence, is convenient to safeguard the Inhalation sampling system of easy cleaned mechanical forced atomizing.
Purpose of the present invention can be achieved through the following technical solutions: a kind of Inhalation sampling system of mechanical forced atomizing, it is characterized in that, comprise Venturi nozzle, centrifugal separator, atomizer (atomizing) cone, cyclone separator, described Venturi nozzle one end is provided with tested material import and pressure-air import, the other end inserts in the centrifugal separator, described atomizer (atomizing) cone is arranged in the centrifugal separator, centrifugal separator connects cyclone separator by connecting pipe, and cyclone separator connects the contamination chamber by the aerosol outlet connecting pipe;
After tested material enters, under the effect of pressure-air, enter centrifugal separator through the venturi nozzle ejection, atomize first, impinge upon through the droplet that the venturi nozzle ejection goes out on the atomizer (atomizing) cone of High Rotation Speed, carry out secondary-atomizing, droplet behind the secondary-atomizing, under the effect of pressure-air, enter cyclone separator through connecting pipe, enter the contamination chamber through the isolated droplet of cyclone separator through the aerosol outlet connecting pipe.
Described centrifugal separator bottom is provided with first separating liquid outlet.
Described atomizer (atomizing) cone connects drive motor, and drive motor drives the atomizer (atomizing) cone High Rotation Speed.
Described cyclone separator bottom is provided with the secondary separation liquid outlet.
The present invention is mainly used in the nebulization sampling of liquid toxicity on inhalation test, improves nebulization efficiency, reduces the particle diameter of droplet, improves validity and the accuracy of test findings.Characteristic of the present invention is by Venturi nozzle and impacting type atomizer (atomizing) cone, realize composite atomizing, and carry out the secondary drop separation by high speed centrifugation and whirlwind separator, and improved the tested material effective rate of utilization that enters the contamination cavity, effectively reduce the lower limit of mist droplet particle size.
Compared with prior art, the present invention has the following advantages:
1, impacting type atomizer (atomizing) cone and centrifugal separator position integrated structure design, volume is little, is convenient to safeguard, is easy to clean;
2, the one-level atomizing utilizes Venturi nozzle, and the secondary atomizing utilizes the impacting type atomizer (atomizing) cone;
3, tested material is through the secondary drop separation;
4, improve the tested material effective rate of utilization that enters the contamination cavity, effectively reduced the lower limit of mist droplet particle size.
Description of drawings
Fig. 1 is the structural representation of system of the present invention.
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
Embodiment 1:
As shown in Figure 1, a kind of Inhalation sampling system of mechanical forced atomizing, comprise Venturi nozzle 1, centrifugal separator 2, atomizer (atomizing) cone 3, cyclone separator 4, described Venturi nozzle 1 one ends are provided with tested material import 5 and pressure-air import 6, and the other end inserts in the centrifugal separator 2, and described atomizer (atomizing) cone 3 is arranged in the centrifugal separator 2, atomizer (atomizing) cone 3 connects drive motor 7, and drive motor 7 drives atomizer (atomizing) cone 3 High Rotation Speeds.Centrifugal separator 2 tops are provided with the aerosol outlet, and the bottom is provided with first separating liquid outlet 8, and the aerosol outlet at centrifugal separator 2 tops connects cyclone separator 4 by connecting pipe 9, and cyclone separator 4 connects contamination chamber 11 by aerosol outlet connecting pipe 10; Cyclone separator 4 bottoms are provided with secondary separation liquid outlet 12.
The process that the use said apparatus carries out sample introduction is as follows:
(1) after tested material enters Venturi nozzle 1 by tested material import 5, under the effect of the pressure-air that pressure-air import 6 is inputted, spurts into centrifugal separator 2 through Venturi nozzle 1, finish first atomizing;
(2) impinge upon on the atomizer (atomizing) cone 3 of High Rotation Speed through the droplet that Venturi nozzle 1 ejects, finish secondary-atomizing;
(3) tested material of 2 li depositions of centrifugal separator can be discharged by primary separation liquid outlet 8;
(4) droplet behind the secondary-atomizing under the effect of pressure-air, enters cyclone separator 4 through connecting pipe 9;
(5) tested material of 4 li depositions of cyclone separator can be discharged by secondary separation liquid outlet 12;
(6) enter contamination chamber 11 through cyclone separator 4 isolated droplets through aerosol outlet connecting pipe 10.

Claims (4)

1. the Inhalation sampling system of mechanical forced atomizing, it is characterized in that, comprise Venturi nozzle, centrifugal separator, atomizer (atomizing) cone, cyclone separator, described Venturi nozzle one end is provided with tested material import and pressure-air import, and the other end inserts in the centrifugal separator, and described atomizer (atomizing) cone is arranged in the centrifugal separator, centrifugal separator connects cyclone separator by connecting pipe, and cyclone separator connects the contamination chamber by the aerosol outlet connecting pipe;
After tested material enters, under the effect of pressure-air, enter centrifugal separator through the venturi nozzle ejection, atomize first, impinge upon through the droplet that the venturi nozzle ejection goes out on the atomizer (atomizing) cone of High Rotation Speed, carry out secondary-atomizing, droplet behind the secondary-atomizing, under the effect of pressure-air, enter cyclone separator through connecting pipe, enter the contamination chamber through the isolated droplet of cyclone separator through the aerosol outlet connecting pipe.
2. the Inhalation sampling system of a kind of mechanical forced atomizing according to claim 1 is characterized in that, described centrifugal separator bottom is provided with first separating liquid outlet.
3. the Inhalation sampling system of a kind of mechanical forced atomizing according to claim 1 is characterized in that, described atomizer (atomizing) cone connects drive motor, and drive motor drives the atomizer (atomizing) cone High Rotation Speed.
4. the Inhalation sampling system of a kind of mechanical forced atomizing according to claim 1 is characterized in that, described cyclone separator bottom is provided with the secondary separation liquid outlet.
CN201210418128.0A 2012-10-26 2012-10-26 Intake contamination sample feeding system for medically forced atomizing Active CN102890026B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107179216A (en) * 2017-06-13 2017-09-19 西南科技大学 A kind of mineral grain separating and sampling unit
CN107593676A (en) * 2017-10-20 2018-01-19 北京泊易行咨询有限公司 One kind atomization except mite device
CN110215309A (en) * 2019-05-31 2019-09-10 上海化工研究院有限公司 A kind of lift selection partial size atomized medicine introducing device

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2102720C1 (en) * 1996-05-28 1998-01-20 Государственный научно-исследовательский институт органической химии и технологии Absorption device for evaluation of ecological purity of air
JP2004344866A (en) * 2003-05-23 2004-12-09 Yasunobu Yoshida Method of removing volatile organic compound or the like, and apparatus therefor
CN1803307A (en) * 2006-01-24 2006-07-19 广东省职业病防治院 Liquid atomising device and its uses as drug addict device
CN2899734Y (en) * 2006-01-27 2007-05-16 广东省职业病防治院 Movable contamination test device realtime controlled by photoelectric detection
CN101093218A (en) * 2007-07-27 2007-12-26 中国建筑科学研究院 Large-particle-size aerosol generating method and device for air filter efficiency test
CN201613092U (en) * 2010-03-09 2010-10-27 江苏智思机械集团有限公司 Wet dust removal system
CN102052684A (en) * 2009-10-29 2011-05-11 武汉凯宾思环保科技有限公司 Method and system for treating tail gas from alkali recovery boiler
CN202290381U (en) * 2011-11-02 2012-07-04 核工业理化工程研究院 Combined atomizer
CN102528035A (en) * 2011-12-31 2012-07-04 西北工业大学 System and method for forming disk part by performing two-stage atomizing and spraying

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2102720C1 (en) * 1996-05-28 1998-01-20 Государственный научно-исследовательский институт органической химии и технологии Absorption device for evaluation of ecological purity of air
JP2004344866A (en) * 2003-05-23 2004-12-09 Yasunobu Yoshida Method of removing volatile organic compound or the like, and apparatus therefor
CN1803307A (en) * 2006-01-24 2006-07-19 广东省职业病防治院 Liquid atomising device and its uses as drug addict device
CN2899734Y (en) * 2006-01-27 2007-05-16 广东省职业病防治院 Movable contamination test device realtime controlled by photoelectric detection
CN101093218A (en) * 2007-07-27 2007-12-26 中国建筑科学研究院 Large-particle-size aerosol generating method and device for air filter efficiency test
CN102052684A (en) * 2009-10-29 2011-05-11 武汉凯宾思环保科技有限公司 Method and system for treating tail gas from alkali recovery boiler
CN201613092U (en) * 2010-03-09 2010-10-27 江苏智思机械集团有限公司 Wet dust removal system
CN202290381U (en) * 2011-11-02 2012-07-04 核工业理化工程研究院 Combined atomizer
CN102528035A (en) * 2011-12-31 2012-07-04 西北工业大学 System and method for forming disk part by performing two-stage atomizing and spraying

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107179216A (en) * 2017-06-13 2017-09-19 西南科技大学 A kind of mineral grain separating and sampling unit
CN107593676A (en) * 2017-10-20 2018-01-19 北京泊易行咨询有限公司 One kind atomization except mite device
CN107593676B (en) * 2017-10-20 2023-05-12 北京泊易行咨询有限公司 Atomization mite removing device
CN110215309A (en) * 2019-05-31 2019-09-10 上海化工研究院有限公司 A kind of lift selection partial size atomized medicine introducing device
CN110215309B (en) * 2019-05-31 2022-03-18 上海化工研究院有限公司 Lifting type particle size selection atomization drug delivery device

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Address after: 200062 room 2004-C, Wuning Road, Shanghai, Putuo District, 509

Co-patentee after: Shanghai Chemical Research Institute Co., Ltd.

Patentee after: Shanghai Tianke Chemical Detection Co., Ltd.

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Co-patentee before: Shanghai Research Institute of Chemical Industry

Patentee before: Shanghai Tianke Chemical Detection Co., Ltd.

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Address after: 200062 6th Floor, 252 Building, 345 Yunling East Road, Putuo District, Shanghai

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Patentee after: Shanghai Chemical Institute Testing Co., Ltd.

Address before: 200062 2004-C room, No. 509, Wuning Road, Shanghai, Putuo District

Co-patentee before: Shanghai Chemical Research Institute Co., Ltd.

Patentee before: Shanghai Tianke Chemical Detection Co., Ltd.

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