CN108548815A - Flue VOCS detection devices and method - Google Patents
Flue VOCS detection devices and method Download PDFInfo
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- CN108548815A CN108548815A CN201810591165.9A CN201810591165A CN108548815A CN 108548815 A CN108548815 A CN 108548815A CN 201810591165 A CN201810591165 A CN 201810591165A CN 108548815 A CN108548815 A CN 108548815A
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- Prior art keywords
- sieve
- flue
- oil absorption
- absorption material
- soft oil
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
- G01N21/783—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour for analysing gases
-
- 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
- B01D53/14—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 by absorption
- B01D53/1487—Removing organic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
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- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Plasma & Fusion (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses flue VOCS detection devices, including frame, sieve and soft oil absorption material, the sieve to be fixed in frame, and the soft oil absorption material is connected to sieve.As a result, frame be used for fixed grit, sieve for fix soft oil absorption material while also allow for flue gas be circulated through sieve and with soft oil absorption material making contact, facilitate absorption of the soft oil absorption material to VOCS gases.Quickly the VOCS gases in flue gas can be used for quickly detecting, be used manpower and material resources sparingly, detection result is good, efficient.The present invention generates on the basis of long-term oil smoke processing is tested, and has the characteristics that quick, simple, intuitive, easy to operate, accurate and reliable, can be widely applied to environmental protection, administrative law enforcement, food and beverage enterprise's oil smoke self-test etc..
Description
Technical field
The present invention relates to VOCS field of gas detection, more particularly to a kind of flue VOCS detection devices and method.
Background technology
In industrial upgrading, economic transition evolution, the rapid emergence of catering trade brings large effect to environment,
Its oil smoke discharge and the primary pollution source for having become atmosphere pollution.The tribute to PM2.5 is discharged according to related data statistics kitchen fumes
It is 15%-28% to offer rate, therefore, how effectively to administer fume pollution and has become hot spot subject under discussion, reinforces polluting kitchen fumes
Improvement it is very urgent.In the prior art, the detection of oil smoke discharge is sampled to scene by three people, is existed with sampler
Air outlet samples 5, and sampling at least needs time half a day.After take back laboratory, then with 3~6 days time to sample
It tests, collects evidence, determine concentration of emission.Heavy workload and detection efficiency is very low.
Invention content
The purpose of the present invention is to provide a kind of device and method that can quickly detect flue VOCS gases, apparatus structure letters
List and detection efficiency height.
According to an aspect of the invention, there is provided flue VOCS detection devices, including frame, sieve and soft oil suction material
Material, the sieve are fixed in frame, and the soft oil absorption material is connected to sieve.Frame is used for fixed grit, sieve as a result,
Also allowed for while for fixing soft oil absorption material flue gas be circulated through sieve and with soft oil absorption material making contact, it is convenient
Absorption of the soft oil absorption material to VOCS gases.
In some embodiments, the soft oil absorption material is set as multiple and is uniformly distributed in sieve.It as a result, can be right
VOCS in flue gas carries out uniform adsorption.
In some embodiments, the sieve includes screen bed base and sieve screen apertures, the screen bed base and sieve screen apertures, described soft
Screen bed base is fixed in one end of property oil absorption material, and the other end of the soft oil absorption material is located at the side of screen bed base.It is soft as a result,
Property oil absorption material the other end can be swung with the circulation of flue gas, can be convenient for soft oil absorption material absorb flue gas in VOCS gas
Body.
In some embodiments, the other end of multiple soft oil absorption materials is located at the same side of screen bed base.
As a result, when flue gas passes through sieve, soft oil absorption material will not stop the circulation of flue gas.
In some embodiments, the soft oil absorption material is set as 10~15.Multiple soft oil absorption materials as a result,
It can be achieved to be uniformly distributed, can be convenient for connecting with screen bed base.
In some embodiments, the mesh size of the sieve is 9 × 9mm~11 × 11mm.
In some embodiments, flue VOCS detection devices further include fixing device, and the fixing device is solid with frame
Fixed connection.Fixing device can be fixed with flue as a result,.
In some embodiments, flue VOCS detection devices further include handle, and the handle is fixedly connected with frame.By
This, handle can be used for carrying out being operated with hand-held when temporary detecting or experiment.
According to an aspect of the invention, there is provided flue VOCS detection methods, include the following steps：
1) cross-sectional shape of frame oil smoke flue to be tested on demand is made into molding, and sieve is fixed on frame
It is interior；
2) 10~15 soft oil absorption materials are fixed in sieve；
3) sieve is fixed on the cross section of flue, soft oil absorption material can be swung with the circulation of flue gas and and flue gas
VOCS gases in impact absorption flue gas；
4) pass through a detection cycle, detect the oil content in soft oil absorption material, it is known that the effect that flue gas is cleaned.
In some embodiments, the soft oil absorption material is face tissue, oil-Absorbing Sheets or oil absorbing cloth.
The beneficial effects of the invention are as follows：Quickly the VOCS gases in flue gas can be used for quickly detecting, be used manpower and material resources sparingly,
Detection result is good, efficient.The present invention generates on the basis of long-term oil smoke processing is tested, and has quickly, simply, directly
It sees, easy to operate, accurate and reliable feature, can be widely applied to the side such as environmental protection, administrative law enforcement, food and beverage enterprise's oil smoke self-test
Face.
Description of the drawings
Fig. 1 is the structural schematic diagram of the flue VOCS detection devices of an embodiment of the present invention；
Fig. 2 is the side structure schematic view of flue VOCS detection devices shown in Fig. 1；
Fig. 3 is the flue VOCS structure of the detecting device schematic diagrames of another embodiment of the present invention；
Fig. 4 is the side structure schematic view of flue VOCS detection devices shown in Fig. 3.
Specific implementation mode
Invention is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1
Fig. 1 and Fig. 2 schematically shows a kind of flue VOCS detection devices of embodiment according to the present invention.
Referring to Figures 1 and 2, flue VOCS detection devices include frame 1, sieve 2 and soft oil absorption material 3, and sieve 2 is fixed
In in frame 1, soft oil absorption material 3 is connected to sieve 2.Soft oil absorption material 3 is set as multiple and is uniformly distributed in sieve 2.
Sieve 2 includes screen bed base 21 and sieve screen apertures 22, and screen bed base 21 and sieve screen apertures 22, one end of soft oil absorption material 3 are solid
Due to screen bed base 21, the other end of soft oil absorption material 3 is located at the side of screen bed base 21.Multiple soft oil absorption materials 3 it is another
End is respectively positioned on the same side of screen bed base 21.
Sieve is installed on the cross section of flue and covers the cross section of flue, and flue gas is blown into and through from the side of sieve
Sieve screen apertures blow afloat the other end of soft oil absorption material, the other end of soft oil absorption material swing with the wind and with smoke collision and
Absorb the VOCS gases in flue gas.
Soft oil absorption material 3 may be configured as 10~15.The mesh size of sieve 2 can be set as 9 × 9mm~11 × 11mm,
Preferably 10 × 10mm.
Flue VOCS detection devices further include fixing device 4 or handle 5, and fixing device 4 is fixedly connected with frame 1.It is fixed
Device 4 can be fixedly connected with flue is installed on the flue VOCS detection devices of the present invention on flue.
Embodiment 2
Fig. 3 and Fig. 4 schematically shows a kind of flue VOCS detection devices of embodiment according to the present invention.
With reference to Fig. 3 and Fig. 4, flue VOCS detection devices include frame 1, sieve 2 and soft oil absorption material 3, and sieve 2 is fixed
In in frame 1, soft oil absorption material 3 is connected to sieve 2.Soft oil absorption material 3 is set as multiple and is uniformly distributed in sieve 2.
Unlike embodiment, the present embodiment is not provided with fixing device 4 and handle 5 is arranged.Handle 5 is fixed with frame 1
Connection, handle 5 can be used for interim hand-held detection.Remaining structure is same as Example 1.
Embodiment 3
The present invention also provides the flue VOCS detection methods for above-mentioned flue VOCS detection devices, including walk as follows
Suddenly：
1) cross-sectional shape of the on-demand oil smoke flue to be tested of frame 1 is made into molding, and sieve 2 is fixed on frame
In 1；
2) 10~15 soft oil absorption materials 3 are fixed in sieve 2；
3) sieve 2 is fixed on the cross section of flue, soft oil absorption material 3 can be swung with the circulation of flue gas and and cigarette
VOCS gases in gas impact absorption flue gas；
4) pass through a detection cycle, detect the oil content in soft oil absorption material 3, it is known that the effect that flue gas is cleaned.
One detection cycle can be a cooking period as needed, can also be one day or one week.
Soft oil absorption material 3 is face tissue, oil-Absorbing Sheets or the oil absorbing cloth of white.When face tissue, oil-Absorbing Sheets or the suction of white
When oilcloth is absorbed into VOCS gases, significant change can occur for color, directly with the naked eye can observe whether there is VOCS gas in flue gas
The content size of body and VOCS gases.
This method simultaneously entrusts environmental protection Vocationl Technical College of Guangdong Province to use《Cooking fume discharge standard》(GB
18483-2001) oil smoke discharge situation is compared, two methods have more consistent tendency, i.e., when national standard method is examined
When the oil smoke concentration measured is high, sorbing material on this method sieve also more oil droplet, vice versa.
Sense organ：(1) 90% or more treatment effeciency, the napkin paper oil-free on detector；
(2) treatment effeciency 80-90%, the napkin paper micro-droplet of oil on detector；
(3) treatment effeciency 70-80%, the napkin paper light oil drop on detector；
(4) treatment effeciency is less than 60%, and the napkin paper oil droplet on detector is more.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, not
Under the premise of being detached from the invention design, various modifications and improvements can be made, these belong to the protection domain of invention.
Claims (10)
1. flue VOCS detection devices, it is characterised in that：Including frame (1), sieve (2) and soft oil absorption material (3), the sieve
Net (2) is fixed in frame (1), and the soft oil absorption material (3) is connected to sieve (2).
2. flue VOCS detection devices according to claim 1, it is characterised in that：Soft oil absorption material (3) setting
For multiple and it is uniformly distributed in sieve (2).
3. flue VOCS detection devices according to claim 2, it is characterised in that：The sieve (2) includes screen bed base
(21) and sieve is fixed in sieve screen apertures (22), the screen bed base (21) and sieve screen apertures (22), one end of the soft oil absorption material (3)
The other end of rack (21), the soft oil absorption material (3) is located at the side of screen bed base (21).
4. flue VOCS detection devices according to claim 3, it is characterised in that：Multiple described soft oil absorption materials (3)
The other end be located at the same side of screen bed base (21).
5. flue VOCS detection devices according to claim 2, it is characterised in that：Soft oil absorption material (3) setting
It is 10~15.
6. flue VOCS detection devices according to claim 1, it is characterised in that：The mesh size of the sieve (2) is 9
× 9mm~11 × 11mm.
7. according to claim 1~6 any one of them flue VOCS detection devices, it is characterised in that：It further include fixing device
(4), the fixing device (4) is fixedly connected with frame (1).
8. according to claim 1~6 any one of them flue VOCS detection devices, it is characterised in that：Further include handle (5),
The handle (5) is fixedly connected with frame (1).
9. flue VOCS detection methods, which is characterized in that include the following steps：
1) cross-sectional shape of the on-demand oil smoke flue to be tested of frame (1) is made into molding, and sieve (2) is fixed on frame
(1) in；
2) 10~15 soft oil absorption materials (3) are fixed in sieve (2)；
3) sieve (2) is fixed on the cross section of flue, soft oil absorption material (3) can be swung with the circulation of flue gas and and cigarette
VOCS gases in gas impact absorption flue gas；
4) pass through a detection cycle, detect the oil content in soft oil absorption material (3), it is known that the effect that flue gas is cleaned.
10. flue VOCS detection methods according to claim 2, which is characterized in that the soft oil absorption material (3) is face
Towel paper, oil-Absorbing Sheets or oil absorbing cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810591165.9A CN108548815A (en) | 2018-06-10 | 2018-06-10 | Flue VOCS detection devices and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810591165.9A CN108548815A (en) | 2018-06-10 | 2018-06-10 | Flue VOCS detection devices and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108548815A true CN108548815A (en) | 2018-09-18 |
Family
ID=63493623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810591165.9A Withdrawn CN108548815A (en) | 2018-06-10 | 2018-06-10 | Flue VOCS detection devices and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108548815A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987417A (en) * | 2015-03-03 | 2016-10-05 | 陈长春 | Purification system and integration environment-friendly kitchen and extractor hood with purification system |
-
2018
- 2018-06-10 CN CN201810591165.9A patent/CN108548815A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987417A (en) * | 2015-03-03 | 2016-10-05 | 陈长春 | Purification system and integration environment-friendly kitchen and extractor hood with purification system |
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Application publication date: 20180918 |