KR101636372B1 - The Noxious gas cleaning system - Google Patents
The Noxious gas cleaning system Download PDFInfo
- Publication number
- KR101636372B1 KR101636372B1 KR1020160040921A KR20160040921A KR101636372B1 KR 101636372 B1 KR101636372 B1 KR 101636372B1 KR 1020160040921 A KR1020160040921 A KR 1020160040921A KR 20160040921 A KR20160040921 A KR 20160040921A KR 101636372 B1 KR101636372 B1 KR 101636372B1
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- KR
- South Korea
- Prior art keywords
- noxious gas
- neutralizing
- liquid
- unit
- nozzle
- Prior art date
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- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- 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
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0035—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by wetting, e.g. using surfaces covered with oil
-
- 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
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B01D50/006—
-
- 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
- B01D53/26—Drying gases or vapours
- B01D53/263—Drying gases or vapours by absorption
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L5/00—Gas handling apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2221/00—Applications of separation devices
- B01D2221/10—Separation devices for use in medical, pharmaceutical or laboratory applications, e.g. separating amalgam from dental treatment residues
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2279/00—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
- B01D2279/50—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for air conditioning
- B01D2279/51—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for air conditioning in clean rooms, e.g. production facilities for electronic devices, laboratories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/06—Fluid handling related problems
- B01L2200/0631—Purification arrangements, e.g. solid phase extraction [SPE]
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Clinical Laboratory Science (AREA)
- Gas Separation By Absorption (AREA)
Abstract
Description
The present invention relates to a harmful gas purifying apparatus installed in a laboratory for handling hazardous materials or hazardous materials and capable of preventing the scattering of harmful substances, and more particularly, The present invention relates to a harmful gas purifying apparatus capable of neutralizing vapors and gases through a neutralizing portion formed at a lower end thereof and collecting vapor and gas generated in the material and discharging the gases to the outside.
Generally, in the laboratory, a reagent for storing various reagent containers in isolation and harmful gas such as scattering or vapor contained in dangerous substances in the course of the experiment are sucked and discharged to the outside in order to ensure the safety of the operator. And fume hoods are installed.
That is, the above-mentioned fume hood corresponds to a device for purifying noxious gas. Such a device is capable of preventing air pollution in the laboratory by discharging noxious gas of dangerous substances generated in the course of the experiment so as not to scatter into the room But also to protect the safety of workers. At this time, a scrubber for purifying noxious gas generated in the equipment before the noxious gas is discharged to the outside is connected to the fume hood at the side of the fume hood.
[0004] As an example of the prior art proposed for purifying and neutralizing noxious gas generated in a laboratory or an experimental apparatus, according to the Japanese Laid-Open Patent No. 10-0941666, A filter, a first filter, a neutralized pellet bed, and a second filter, and an independent form in which a blower is embedded between the neutralized pellet bed and the second filter or between the neutralized pellet bed and the neutralized pellet bed A portable type or a stand type indoor harmful gas purifying and neutralizing device of the present invention is disclosed.
However, in the related art, the scrubber has been integrated so that the scrubber has to be aged to replace the entire scrubber when the internal parts fail, and when the solubilizer is introduced and replaced to neutralize the harmful gas, And the like.
Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a method and apparatus for collecting vapor and gas generated from a hazardous chemical, And to provide a harmful gas purifying device capable of discharging the harmful gas.
In order to neutralize harmful gases, a neutralizing liquid is sprayed to the neutralizing liquid to increase the contact time between the neutralizing liquid and the gas so as to improve the neutralizing effect, and when the neutralizing liquid is supplied with the neutralizing liquid, A harmful gas purifying device capable of preventing leakage to the outside is provided.
The harmful gas purifying apparatus of the present invention comprises an opening A opened at one side, a
In the present invention, the first neutralizing
The
And a cooling unit (370) for cooling the neutralizing liquid so that the neutralizing liquid can uniformly maintain a predetermined temperature, in the first accommodating unit (330).
In the present invention, the
A
The first receiving
The present invention can easily supplement a neutralizing liquid or a neutralizing agent when the concentration of the neutralizing liquid is diluted or the neutralizing liquid is evaporated to replenish the neutralizing liquid, and the intake air (noxious gas) There is an advantage that the dissolution rate of the neutralizing agent can be improved through the neutralizing liquid circulated to the inlet without leaking to the outside.
In addition, the present invention not only improves the neutralization rate by neutralizing the intake air (noxious gas) in a primary and a secondary order, but also includes a plurality of filling parts to reduce the moving speed of the intake air, The first and second dehumidifying agents were further provided so as not to contain the remaining neutralizing liquid.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing the entirety of a harmful gas purifying apparatus of the present invention. FIG.
2 is a perspective view showing a rear surface of the harmful gas purifying apparatus of the present invention.
3 is a perspective view of a first neutralizing part showing the main configuration of the first neutralizing part of the present invention;
4 is a cross-sectional view showing the internal structure of the first neutralizing part of the present invention as seen from a plane;
5 is a cross-sectional view showing a movement path of noxious gas moving through the first neutralizing part and the first dehumidifying part of the present invention.
6 is a perspective view and a plan view showing an internal structure of a first accommodating portion of the present invention.
7 is a left partial cross-sectional view showing a movement path of the noxious gas moving to the first dehumidifying part of the present invention and a main structure thereof.
8 is a right-hand partial sectional view showing the internal structure of the first neutralizing portion, the inside of the first accommodating portion, and the main configuration of the first and second nozzles.
9 is a sectional view showing a main structure of a second neutralizing part and a second dehumidifying part of the present invention.
10 is a right-hand partial sectional view showing one embodiment of a spray direction of a neutralizing liquid sprayed from the first and second nozzles of the present invention.
11 is a perspective view showing a main structure of a neutralization part of another embodiment of the present invention.
12 is a cross-sectional view showing an internal structure of a neutralization part in another embodiment of the present invention.
13 is a cross-sectional view showing a noxious gas moving path of a neutralization part in another embodiment of the present invention.
14 is a cross-sectional view showing the position and structure of a cooling section in another embodiment of the present invention.
15 is a perspective view showing a cooling / demounting structure of another embodiment of the present invention.
Hereinafter, one embodiment of the present invention will be described in detail with reference to the drawings.
Referring to FIG. 1, the apparatus for purifying noxious gas of the present invention has an
1 and 2, a
On the other hand, the dangerous substances and dangerous chemicals mentioned above may mainly correspond to liquids having strong acidity, and such liquids generate acidic vapor (hereinafter referred to as noxious gas). At this time, the harmful gas distributed in the air inside the
The
Referring to FIG. 3, the first neutralizing
Referring to FIGS. 2 and 3, the first neutralizing
The
That is, in the experiment using an aqueous solution of hydrochloric acid (HCL) having a high concentration in the
And a neutralizing solution dissolved in sodium hydroxide (NaOH) or calcium hydroxide (Ca (OH) 2) provided at the lower end of the first neutralizing
3 to 7, the
First, the
A
The
Referring to FIG. 6, the first
At this time, the
A plurality of
8, the upper end of the first
The
The
The
Referring to FIGS. 4 and 5, the
Referring to FIGS. 4 and 8, a plurality of first filling
That is, when the harmful gas passing through the first filling
A first nozzle (320) is disposed between the spaces between the first filling parts (360) to spray the neutralizing liquid. At this time, the jetting direction of the
Referring to FIG. 10, the spraying direction of the neutralizing liquid is sprayed downward on the upper side, so that the moving speed of the noxious gas can be reduced. The injection direction of the
Referring to FIGS. 6 to 8, a
The
Referring to FIGS. 8 and 9, the
The
The
7 and 9, the
The
At this time, the noxious gas passing through the
Referring to FIGS. 3 to 7, a charging port 330-1 is formed at one side of the first
When the
Further, as the remaining neutralizing liquid flowing in the
At this time, only a neutralizing solution dissolved in a part of the
Hereinafter, another embodiment of the present invention will be described in detail.
Referring to FIG. 11, the
First, the
The
The
Referring to FIGS. 12 and 13, the
That is, the noxious gas passing through the
12 and 13, the
In addition, a plurality of air rings may be provided in the
12 and 13, the receiving
12 and 13, the
That is, the open lower end of the
An inlet 3510-1 is formed at the upper end of the
At this time, since the lower end of the
12 and 13, the
Further, the
Referring to FIGS. 13 and 14, the
The
Referring to FIG. 15, a
Referring to FIG. 6, the
The
One side of the
4 to 6, the
When the concentration of the neutralizing liquid is reduced or the neutralizing liquid is evaporated and the neutralizing liquid is supposed to be replenished, the neutralizing liquid or the neutralizing agent can be easily replenished and the intake air (noxious gas) The neutralization rate can be improved by secondary neutralization, and the neutralized air is dried so as not to contain the residual neutralizing liquid and discharged to the outside.
100: Experimental case 110: Door
200: Suction duct 300: First neutralization part
310: first reaction part 311: inlet
312: moving passage 313: partition wall
313-1: first barrier rib 312-2: second barrier rib
320: first nozzle 330: first receiving portion
350: First dehumidifying part 351: Outlet
352: first moisture absorbent 360: first filling part
370: cooling section 380: second dehumidifying section
381: second desiccant 382: air layer
383: third hygroscopic agent 400: exhaust duct
500: second neutralization part 510: second nozzle
520: second filling part
A: opening S: working space
Claims (7)
A suction duct (200) formed at an upper end of the test case (100) and sucking noxious gas remaining in the work space (S);
A first neutralization unit 300 positioned at the lower end of the experimental case 100 to neutralize the noxious gas by injecting the noxious gas into the noxious gas to neutralize the noxious gas and discharge the noxious gas to the outside, ;
And an exhaust duct 400 for discharging the air neutralized and discharged in the first neutralization unit 300 to the outside,
The first neutralizing unit 300 includes an inlet 311 through which the noxious gas flows from the test case 100 and a partition 313 through which the noxious gas flows A first reaction unit 310 comprising a first reaction unit 310;
A first nozzle 320 for injecting a neutralizing liquid into the first reaction part 310 so that the noxious gas contained in the first reaction part 310 is neutralized;
A neutralizing liquid is supplied to the first nozzle 320 and a neutralizing liquid in which the neutralizing agent is dissolved is received and the remaining neutralizing liquid injected from the first nozzle 320 is communicated with the first reacting unit 310 A first receiving portion 330 in which an inlet 340 is formed;
After the noxious gas that has been neutralized in the first reaction unit 310 is received, the moisture absorbed in the noxious gas or the remaining neutralized liquid is separated, and the first moisture absorbent A first dehumidifier 350 having an outlet 351 connected to the outlet duct 400;
Wherein the harmful gas purifying apparatus comprises:
The barrier ribs 313 include first barrier ribs 313-1 extending in the horizontal direction,
The first barrier rib 313-1 is spaced apart from the first barrier rib 313-1 by a predetermined distance to increase the movement distance of the noxious gas moving into the first reaction part 310, And a second partition 313-2 extending in a direction symmetrical to the first partition 313-1,
A plurality of first filling portions 360 for reducing the moving speed of the noxious gas are arranged in the moving passage 312 at predetermined intervals along the moving passage 312,
Wherein the first nozzle (320) is disposed in a spaced space between the first filling parts (360) to spray the neutralizing liquid.
Further comprising a cooling unit (370) for cooling the neutralizing liquid so that the neutralizing liquid can maintain a uniform temperature uniformly in the first accommodating unit (330).
The suction duct (200) is provided with a second neutralizing part (500) for injecting a neutralizing liquid into the noxious gas before the noxious gas is introduced into the first neutralizing part (300) in order to raise the neutralization rate of the noxious gas,
The second neutralization unit 500
A second nozzle 510 for receiving the neutralizing liquid from the first containing part 330 and injecting the neutralizing liquid into the second neutralizing part 500;
And a second filling part (520) located at a lower end of the second nozzle (510) for reducing the moving speed of the noxious gas moving to the first neutralizing part (300) Device.
In the exhaust duct 400, a second desiccant 381 through which the noxious gas that has been neutralized is passed to remove residual moisture of the noxious gas discharged from the first dehumidifier 350,
And a second dehumidifier 380 including a third desiccant 383 spaced apart from the second desiccant 381 such that an air layer 382 is formed on the second desiccant 381 Characterized by the harmful gas purification device.
The first receiving part 330 is provided with a charging port 331 at one side thereof for injecting a neutralizing agent from the outside and has a partition wall 332 surrounding the inlet 340,
The partition wall 332 is provided at one side of the partition wall 332 so as to prevent the remainder of the neutralizing agent from moving into the first containing portion 330 when the neutralizer introduced at the inlet 331 is dissolved in the first containing portion 330 And a filtration unit (333).
Priority Applications (1)
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KR1020160040921A KR101636372B1 (en) | 2016-04-04 | 2016-04-04 | The Noxious gas cleaning system |
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KR1020160040921A KR101636372B1 (en) | 2016-04-04 | 2016-04-04 | The Noxious gas cleaning system |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108211526A (en) * | 2017-05-02 | 2018-06-29 | 中国石油化工股份有限公司 | Harmful influence leaks emergency disposal system |
CN108479348A (en) * | 2018-04-19 | 2018-09-04 | 合肥职业技术学院 | A kind of novel environment friendly emission-control equipment |
KR20190128951A (en) * | 2018-05-09 | 2019-11-19 | (주)평화엔지니어링 | Movable emergency harmful chemical gas exhausting system |
KR102044778B1 (en) * | 2019-02-18 | 2019-12-02 | (주)유나 | A fume hood including a neutralizing device and a neutralizing device |
WO2020138641A1 (en) * | 2018-12-23 | 2020-07-02 | 서정수 | Collection device for harmful gas that is heavier than air |
KR102261002B1 (en) * | 2021-02-09 | 2021-06-04 | (주)덕산레미콘 | Absorption device to reduce atmospheric harmful substances |
Citations (5)
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KR100941666B1 (en) * | 2009-02-18 | 2010-02-11 | 주식회사 지티사이언 | Purificating and neutralizing apparatus for hazardous gas |
KR101172708B1 (en) | 2011-12-06 | 2012-08-09 | 유미온 | wet type gas scrubber |
KR20130033876A (en) * | 2011-09-27 | 2013-04-04 | 현대제철 주식회사 | An apparatus for neutralizing acid gas and a method for neutralizing acid gas |
US20140114119A1 (en) | 2012-10-20 | 2014-04-24 | Pieter C. WIEST | System and method utilizing a smart phone for alleviating phantom limb discomfort |
KR20140114119A (en) * | 2013-03-18 | 2014-09-26 | 삼인싸이언스(주) | Purifier of harmful gases for a laboratory equipment |
-
2016
- 2016-04-04 KR KR1020160040921A patent/KR101636372B1/en active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100941666B1 (en) * | 2009-02-18 | 2010-02-11 | 주식회사 지티사이언 | Purificating and neutralizing apparatus for hazardous gas |
KR20130033876A (en) * | 2011-09-27 | 2013-04-04 | 현대제철 주식회사 | An apparatus for neutralizing acid gas and a method for neutralizing acid gas |
KR101172708B1 (en) | 2011-12-06 | 2012-08-09 | 유미온 | wet type gas scrubber |
US20140114119A1 (en) | 2012-10-20 | 2014-04-24 | Pieter C. WIEST | System and method utilizing a smart phone for alleviating phantom limb discomfort |
KR20140114119A (en) * | 2013-03-18 | 2014-09-26 | 삼인싸이언스(주) | Purifier of harmful gases for a laboratory equipment |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108211526A (en) * | 2017-05-02 | 2018-06-29 | 中国石油化工股份有限公司 | Harmful influence leaks emergency disposal system |
CN108211526B (en) * | 2017-05-02 | 2020-03-06 | 中国石油化工股份有限公司 | Emergency disposal system for hazardous chemical substance leakage |
CN108479348A (en) * | 2018-04-19 | 2018-09-04 | 合肥职业技术学院 | A kind of novel environment friendly emission-control equipment |
KR20190128951A (en) * | 2018-05-09 | 2019-11-19 | (주)평화엔지니어링 | Movable emergency harmful chemical gas exhausting system |
KR102047131B1 (en) | 2018-05-09 | 2019-11-20 | (주)평화엔지니어링 | Movable emergency harmful chemical gas exhausting system |
WO2020138641A1 (en) * | 2018-12-23 | 2020-07-02 | 서정수 | Collection device for harmful gas that is heavier than air |
KR102044778B1 (en) * | 2019-02-18 | 2019-12-02 | (주)유나 | A fume hood including a neutralizing device and a neutralizing device |
KR102261002B1 (en) * | 2021-02-09 | 2021-06-04 | (주)덕산레미콘 | Absorption device to reduce atmospheric harmful substances |
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