CN105928749A - Gas collection device and gas collection method for volatilized gas during epoxy resin curing - Google Patents
Gas collection device and gas collection method for volatilized gas during epoxy resin curing Download PDFInfo
- Publication number
- CN105928749A CN105928749A CN201610572878.1A CN201610572878A CN105928749A CN 105928749 A CN105928749 A CN 105928749A CN 201610572878 A CN201610572878 A CN 201610572878A CN 105928749 A CN105928749 A CN 105928749A
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- gas
- gas collecting
- epoxy resin
- cover plate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/06—Preparation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/88—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a gas collection device for volatilized gas during epoxy resin curing, comprising a gas collection provided with a charging tube at its upper end; the charging tube is communicated with a gas collection barrel above, the upper outer wall of the gas collection barrel is provided with an exhaust tube, the upper end of the gas collection barrel is provided with a conical sleeve, the lower end of a control valve above the sleeve is connected with a screw, and the screw passes through the sleeve to be connected with a piston in the gas collection barrel. A gas collection method for volatilized gas during epoxy resin curing includes the following steps: charging epoxy resin, connecting with a fixture, curing the epoxy resin, collecting gas, and testing ingredients. The problem that it is difficult to sample volatilized gas during epoxy resin curing is solved effectively, and the accuracy and stability of volatilized gas sampling is guaranteed; the substance ingredients and concentrations of the volatilized gas are determined by detection, protective measures are provided specially for workers, and health of the workers is guaranteed.
Description
Technical field
The invention belongs to a kind of gas collector and collection method, be specifically related in a kind of Curing Process of Epoxy wave
Get angry the gas collecting apparatus of body and method.
Background technology
Epoxy resin, with amine curing agent or acid anhydride type curing agent solidification process, has a small amount of not clear volatilization gas and produces
Raw.Along with the hygienical evaluation of chemical products increasingly comes into one's own, specify the material composition of volatilization gas and concentration gesture must
OK.Owing to the volatility of epoxy resin own is extremely low, firming agent proportion in whole resin system is the lowest, volatilization gas simultaneously
The overwhelming majority is to produce in high temperature cure process, and the volatilization gas the most how collecting Curing Process of Epoxy there is presently no
Clear and definite device and method.
Summary of the invention
The present invention solves that problem that prior art exists proposes, its objective is to provide a kind of Curing Process of Epoxy
The gas collecting apparatus of middle volatilization gas and gas collection method.
The technical scheme is that the gas collecting apparatus of volatilization gas in a kind of Curing Process of Epoxy, including gas collection
Bottle, described gas collecting bottle upper end is provided with stuffing pipe, and described stuffing pipe connects with the gas collecting jar with ground-on cover plate of top, described gas collecting jar with ground-on cover plate external wall of upper portion
Forming escape pipe, described gas collecting jar with ground-on cover plate upper end is provided with the sleeve of taper, and the control valve lower end above sleeve is connected with screw rod, described
Screw rod is connected through sleeve with the piston in gas collecting jar with ground-on cover plate.
Described stuffing pipe upper end with under be connected dish be connected, described gas collecting jar with ground-on cover plate lower end with on be connected dish be connected, described upper connection
Dish, lower connection dish annular contact surface on be provided with sealing ring, described upper connection dish, lower connection dish are fixed by bolt.
Described gas collecting bottle and stuffing pipe, gas collecting jar with ground-on cover plate are with the connected mode of sleeve and weld.
Described escape pipe free end is provided with the sealing ring sealed.
Apply the gas collection method of the gas collecting apparatus of volatilization gas in above-mentioned Curing Process of Epoxy, comprise the following steps:
() infusion epoxy resin
Under room temperature environment, epoxy resin, firming agent are put in beaker, its epoxy resin and firming agent percent mass be 2:1 ~
4:1, uses Glass rod epoxy resin, firming agent to be stirred, tilts to be placed in stuffing pipe, by said mixture by Glass rod
Pour in gas collecting bottle along Glass rod；
() connects fixing device
By upper connection dish, lower connection dish annular contact surface on put into sealing ring, by bolt by solid to upper connection dish, lower connection dish
Fixed；
() cured epoxy resin
Rotating control valve makes piston move down, it is ensured that piston is in the lower section of escape pipe, after having regulated, is placed in by this device
In drying baker, solidify 5 ~ 7 hours at a temperature of 60 DEG C, furnace cooling；
() collection and confinement of gases
After the device cooled down in step () is taken out from drying baker, under room temperature environment, after depositing 24 hours, rotate
Control valve makes piston move up, it is ensured that piston is higher than escape pipe, and the volatilization gas in gas collecting bottle enters into the inner chamber of gas collecting jar with ground-on cover plate
In；
() composition is tested
The method using gas chromatography mass spectrometry, inserts the capillary tube of gas chromatograph in escape pipe, and volatilization gas is entered by capillary tube
Enter instrument, carry out the test of volatile substance composition and concentration.
Firming agent described in step () is amine curing agent or acid anhydride type curing agent.
The present invention effectively solves the problem of volatilization gas sampling difficulty in Curing Process of Epoxy, ensure that simultaneously
The accuracy of volatilization gas sampling and stability, and Matter Composition and the concentration of volatilization gas, specific aim is specify that by detection
Provide safeguard procedures for staff, the health for staff provides guarantee.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention；
Fig. 2 is the method flow diagram of the present invention；
Wherein:
1 gas collecting bottle 2 stuffing pipe
3 gas collecting jar with ground-on cover plate 4 escape pipes
5 sleeve 6 control valves
7 screw rod 8 pistons
10 times connection dishes of connection dish on 9
11 bolts.
Detailed description of the invention
Hereinafter, referring to the drawings and embodiment the present invention is described in detail:
As it is shown in figure 1, the gas collecting apparatus of volatilization gas in a kind of Curing Process of Epoxy, including gas collecting bottle 1, described gas collecting bottle
1 upper end is provided with stuffing pipe 2, and described stuffing pipe 2 connects with the gas collecting jar with ground-on cover plate 3 of top, and described gas collecting jar with ground-on cover plate 3 external wall of upper portion is formed and gives vent to anger
Pipe 4, described gas collecting jar with ground-on cover plate 3 upper end is provided with the sleeve 5 of taper, and control valve 6 lower end above sleeve 5 is connected with screw rod 7, described spiral shell
Bar 7 is connected through sleeve 5 with the piston 8 in gas collecting jar with ground-on cover plate 3.
Described stuffing pipe 2 upper end with under be connected dish 10 and be connected, described gas collecting jar with ground-on cover plate 3 lower end with on be connected dish 9 and be connected, described on
Connection dish 9, lower connection dish 10 annular contact surface on be provided with sealing ring, described upper connection dish 9, lower connection dish 10 pass through bolt
11 are fixed.
Described gas collecting bottle 1 and stuffing pipe 2, gas collecting jar with ground-on cover plate 3 are with the connected mode of sleeve 5 and weld.
Described escape pipe 4 free end is provided with the sealing ring sealed.
Bolt 11 in the present invention is four, and described upper connection dish 9, lower connection dish 10 circumference are evenly equipped with fixing through hole.
The gas collection method of the gas collecting apparatus of volatilization gas in above-mentioned Curing Process of Epoxy is applied as in figure 2 it is shown, a kind of,
Comprise the following steps:
() infusion epoxy resin
Under room temperature environment, epoxy resin, firming agent are put in beaker, its epoxy resin and firming agent percent mass be 2:1 ~
4:1, uses Glass rod epoxy resin, firming agent to be stirred, tilts to be placed in stuffing pipe 2, by above-mentioned mixing by Glass rod
Thing pours in gas collecting bottle 1 along Glass rod.
() connects fixing device
By upper connection dish 9, lower connection dish 10 annular contact surface on put into sealing ring, by bolt 11 by upper connection dish 9, lower company
Flange 10 is fixed.
() cured epoxy resin
Rotating control valve 6 makes piston 8 move down, it is ensured that piston 8 is in the lower section of escape pipe 4, after having regulated, by this device
It is placed in drying baker, solidifies 5 ~ 7 hours at a temperature of 60 DEG C, furnace cooling.
() collection and confinement of gases
After the device cooled down in step () is taken out from drying baker, under room temperature environment, after depositing 24 hours, rotate
Control valve 6 makes piston 8 move up, it is ensured that piston 8 is higher than escape pipe 4, and the volatilization gas in gas collecting bottle 1 enters into gas collecting jar with ground-on cover plate 3
Inner chamber in.
() composition is tested
The method using gas chromatography mass spectrometry, inserts the capillary tube of gas chromatograph in escape pipe 4, and volatilization gas is entered by capillary tube
Enter instrument, carry out the test of volatile substance composition and concentration.
Firming agent described in step () is amine curing agent or acid anhydride type curing agent.
Embodiment 1
() infusion epoxy resin
Under room temperature environment, JEL-55 epoxy resin, modified amine curing agent are put in beaker, its epoxy resin and firming agent
Percent mass is 3:1, uses Glass rod epoxy resin, firming agent to be stirred, tilts to be placed in stuffing pipe 2 by Glass rod,
Said mixture is poured in gas collecting bottle 1 along Glass rod.
() connects fixing device
By upper connection dish 9, lower connection dish 10 annular contact surface on put into sealing ring, by screw rod 7 by upper connection dish 9, lower company
Flange 10 is fixed.
() cured epoxy resin
Rotating control valve 6 makes piston 8 move down, it is ensured that piston 8 is in the lower section of escape pipe 4, after having regulated, by this device
It is placed in drying baker, solidifies 6 hours at a temperature of 60 DEG C, furnace cooling.
() collection and confinement of gases
After the device cooled down in step () is taken out from drying baker, under room temperature environment, after depositing 24 hours, rotate
Control valve 6 makes piston 8 move up, it is ensured that piston 8 is higher than escape pipe 4, and the volatilization gas in gas collecting bottle 1 enters into gas collecting jar with ground-on cover plate 3
Inner chamber in.
() composition is tested
The method using gas chromatography mass spectrometry, inserts the capillary tube of gas chromatograph in escape pipe 4, and volatilization gas is entered by capillary tube
Enter instrument, carry out the test of volatile substance composition and concentration.
The present invention effectively solves the problem of volatilization gas sampling difficulty in Curing Process of Epoxy, ensure that simultaneously
The accuracy of volatilization gas sampling and stability, and Matter Composition and the concentration of volatilization gas, specific aim is specify that by detection
Provide safeguard procedures for staff, the health for staff provides guarantee.
Claims (6)
1. a gas collecting apparatus for volatilization gas in Curing Process of Epoxy, including gas collecting bottle (1), it is characterised in that: described
Gas collecting bottle (1) upper end is provided with stuffing pipe (2), and described stuffing pipe (2) connects with the gas collecting jar with ground-on cover plate (3) of top, described gas collecting jar with ground-on cover plate (3)
External wall of upper portion forms escape pipe (4), and described gas collecting jar with ground-on cover plate (3) upper end is provided with the sleeve (5) of taper, the control of sleeve (5) top
Valve (6) lower end is connected with screw rod (7), and described screw rod (7) is connected through sleeve (5) with the piston (8) in gas collecting jar with ground-on cover plate (3).
The gas collecting apparatus of volatilization gas in Curing Process of Epoxy the most according to claim 1, it is characterised in that: described
Stuffing pipe (2) upper end with under be connected dish (10) and be connected, described gas collecting jar with ground-on cover plate (3) lower end with on to be connected dish (9) connected, described upper connection
Dish (9), lower connection dish (10) annular contact surface on be provided with sealing ring, described upper connection dish (9), lower connection dish (10) pass through
Bolt (11) is fixed.
The gas collecting apparatus of volatilization gas in Curing Process of Epoxy the most according to claim 1, it is characterised in that: described
Gas collecting bottle (1) and stuffing pipe (2), gas collecting jar with ground-on cover plate (3) are with the connected mode of sleeve (5) and weld.
The gas collecting apparatus of volatilization gas in Curing Process of Epoxy the most according to claim 1, it is characterised in that: described
Escape pipe (4) free end is provided with the sealing ring sealed.
5. apply a gas collection method for the gas collecting apparatus of volatilization gas in the Curing Process of Epoxy described in claim 1,
It is characterized in that: comprise the following steps:
() infusion epoxy resin
Under room temperature environment, epoxy resin, firming agent are put in beaker, its epoxy resin and firming agent percent mass be 2:1 ~
4:1, uses Glass rod epoxy resin, firming agent to be stirred, tilts to be placed in stuffing pipe (2) by Glass rod, by above-mentioned mixed
Compound pours in gas collecting bottle (1) along Glass rod；
() connects fixing device
By upper connection dish (9), lower connection dish (10) annular contact surface on put into sealing ring, by bolt (11) by upper connection dish
(9), lower connection dish (10) is fixed；
() cured epoxy resin
Rotating control valve (6) makes piston (8) move down, it is ensured that piston (8) is in the lower section of escape pipe (4), after having regulated,
This device is placed in drying baker, solidifies 5 ~ 7 hours at a temperature of 60 DEG C, furnace cooling；
() collection and confinement of gases
After the device cooled down in step () is taken out from drying baker, under room temperature environment, after depositing 24 hours, rotate
Control valve (6) makes piston (8) move up, it is ensured that piston (8) is higher than escape pipe (4), and the volatilization gas in gas collecting bottle (1) enters
In the inner chamber of gas collecting jar with ground-on cover plate (3)；
() composition is tested
The method using gas chromatography mass spectrometry, inserts the capillary tube of gas chromatograph in escape pipe (4), and volatilization gas passes through capillary tube
Enter instrument, carry out the test of volatile substance composition and concentration.
The gas collection method of volatilization gas in Curing Process of Epoxy the most according to claim 5, it is characterised in that: step
Firming agent described in () is amine curing agent or acid anhydride type curing agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610572878.1A CN105928749A (en) | 2016-07-15 | 2016-07-15 | Gas collection device and gas collection method for volatilized gas during epoxy resin curing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610572878.1A CN105928749A (en) | 2016-07-15 | 2016-07-15 | Gas collection device and gas collection method for volatilized gas during epoxy resin curing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105928749A true CN105928749A (en) | 2016-09-07 |
Family
ID=56828179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610572878.1A Pending CN105928749A (en) | 2016-07-15 | 2016-07-15 | Gas collection device and gas collection method for volatilized gas during epoxy resin curing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105928749A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525500A (en) * | 2016-11-08 | 2017-03-22 | 天津亿利科能源科技发展股份有限公司 | Sampling device for crude oil escaped gas detection |
| CN107607659A (en) * | 2017-11-10 | 2018-01-19 | 贵州大学 | A kind of improved gas chromatograph |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3904368A (en) * | 1972-03-07 | 1975-09-09 | Matsushita Electric Ind Co Ltd | Burning and collection apparatus for combustion gases |
| CN101324491A (en) * | 2008-08-04 | 2008-12-17 | 中国烟草总公司郑州烟草研究院 | Smoking apparatus capable of implementing continuous one-time sampling of main fume gas phase object |
| CN101393087A (en) * | 2008-10-23 | 2009-03-25 | 公安部上海消防研究所 | On site volatile residue evidence extracting device for public security fire protection |
| CN202748255U (en) * | 2012-06-19 | 2013-02-20 | 宁波大学 | Air internal circulation, separation and absorption device for collecting volatile substances |
| CN203299033U (en) * | 2013-06-14 | 2013-11-20 | 开封龙宇化工有限公司 | Quantitative absorption device for formaldehyde gas in polyformaldehyde material |
| CN204575400U (en) * | 2015-04-30 | 2015-08-19 | 中宏（北京）建设工程有限公司 | Air sampling tube |
| CN205879622U (en) * | 2016-07-15 | 2017-01-11 | 核工业理化工程研究院 | Epoxy resin cure in -process volatile gaseous's gas -collecting device |
-
2016
- 2016-07-15 CN CN201610572878.1A patent/CN105928749A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3904368A (en) * | 1972-03-07 | 1975-09-09 | Matsushita Electric Ind Co Ltd | Burning and collection apparatus for combustion gases |
| CN101324491A (en) * | 2008-08-04 | 2008-12-17 | 中国烟草总公司郑州烟草研究院 | Smoking apparatus capable of implementing continuous one-time sampling of main fume gas phase object |
| CN101393087A (en) * | 2008-10-23 | 2009-03-25 | 公安部上海消防研究所 | On site volatile residue evidence extracting device for public security fire protection |
| CN202748255U (en) * | 2012-06-19 | 2013-02-20 | 宁波大学 | Air internal circulation, separation and absorption device for collecting volatile substances |
| CN203299033U (en) * | 2013-06-14 | 2013-11-20 | 开封龙宇化工有限公司 | Quantitative absorption device for formaldehyde gas in polyformaldehyde material |
| CN204575400U (en) * | 2015-04-30 | 2015-08-19 | 中宏（北京）建设工程有限公司 | Air sampling tube |
| CN205879622U (en) * | 2016-07-15 | 2017-01-11 | 核工业理化工程研究院 | Epoxy resin cure in -process volatile gaseous's gas -collecting device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525500A (en) * | 2016-11-08 | 2017-03-22 | 天津亿利科能源科技发展股份有限公司 | Sampling device for crude oil escaped gas detection |
| CN107607659A (en) * | 2017-11-10 | 2018-01-19 | 贵州大学 | A kind of improved gas chromatograph |
| CN107607659B (en) * | 2017-11-10 | 2024-02-06 | 贵州大学 | Improved meteorological chromatograph |
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Application publication date: 20160907 |
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