CN210322525U - VOC gas on-line detection preprocessing device - Google Patents
VOC gas on-line detection preprocessing device Download PDFInfo
- Publication number
- CN210322525U CN210322525U CN201921245388.6U CN201921245388U CN210322525U CN 210322525 U CN210322525 U CN 210322525U CN 201921245388 U CN201921245388 U CN 201921245388U CN 210322525 U CN210322525 U CN 210322525U
- Authority
- CN
- China
- Prior art keywords
- gas
- voc
- appearance
- condenser
- flowmeter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to a gaseous detection technology field discloses a gaseous on-line measuring preprocessing device of VOC. Gaseous on-line measuring preprocessing device of VOC is including sealing connection's steam separator, condenser, flowmeter, butterfly filter, analysis appearance and air pump in proper order, steam separator is used for carrying out dust and vapor to VOC gaseous sample gas and filters, the condenser is used for right the sample gas of steam separator output cools down, the flowmeter is used for right the sample gas of condenser output carries out flow display and flow control, the butterfly filter is used for right the sample gas of flowmeter output carries out dust impurity and filters. Carry out dust vapor filtration, cooling and flow control to the sample gas before gaseous detection to guarantee suitable gaseous detection humidity, temperature flow environment, avoided strong corrosive gas and dust to dissolve in the steam and form acid-base and corrode the unsafe condition of detecting instrument and test data, promoted the accuracy that VOC gas detected.
Description
Technical Field
The utility model relates to a gaseous detection technology field especially relates to a gaseous on-line measuring preprocessing device of VOC.
Background
VOCs (Volatile Organic Compounds) often contain a variety of highly corrosive gases and contaminant dust, which once dissolved in water vapor will form acids and bases that corrode on-line analytical instrumentation, resulting in damage to VOC instrumentation and inaccurate test data. Meanwhile, the existing online test instrument and analyzer has test environment requirements on the temperature, humidity, pressure and flow of the test gas, and the filter device of the existing instrument can not preprocess the VOC sample gas to ensure the test environment, so that the precision of the VOC gas test data is low.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a gaseous on-line measuring preprocessing device of VOC solves the lower and easy technical problem who damages the test instrument of current VOC gas test data accuracy.
According to the utility model discloses an embodiment provides a gaseous on-line measuring preprocessing device of VOC, including sealing connection's water vapor separator, condenser, flowmeter, butterfly filter, analysis appearance and air pump in proper order, water vapor separator is used for carrying out dust and vapor filtration to the gaseous appearance gas of VOC, the condenser is used for right the appearance gas of water vapor separator output cools down, the flowmeter is used for right the appearance gas of condenser output carries out flow display and flow control, butterfly filter is used for right the appearance gas of flowmeter output carries out dust impurity and filters, the analysis appearance is used for right the appearance gas of butterfly filter output is exported, the air pump be used for with appearance gas in the analysis appearance is taken out in order to carry out on-line measuring.
Preferably, the online detection pretreatment device for the VOC gas further comprises a throttle valve which is respectively communicated with the flowmeter, the analyzer and the gas pump and is used for decompressing the sample gas.
Preferably, the online detection pretreatment device for VOC gas further comprises a peristaltic pump communicated with the condenser and used for automatically draining the condenser.
Preferably, the air inlet of the water-vapor separator is hermetically connected with the sampling probe.
Preferably, the primary filtration precision of the water-vapor separator is 5 microns.
Preferably, the flow meter is a float flow meter.
Preferably, the online detection pretreatment device for VOC gas further comprises a humidity sensor, a temperature sensor and a pressure sensor which are arranged in the analyzer and used for respectively detecting the humidity, the temperature and the pressure of the sample gas in the analyzer.
Preferably, the online detection and pretreatment device for VOC gas further comprises an alarm module for giving an alarm when the humidity sensor, the temperature sensor, the pressure sensor and the flow meter detect that the humidity, the temperature, the pressure and the flow of the sample gas exceed corresponding preset thresholds.
The utility model provides an including sealing connection's water vapor separator, condenser, flowmeter, butterfly filter, analysis appearance and air pump in proper order, the water vapor separator is used for carrying out dust and vapor to VOC gaseous appearance gas and filters, the condenser is used for right the appearance gas of water vapor separator output is cooled down, the flowmeter is used for right the appearance gas of condenser output carries out flow display and flow control, the butterfly filter is used for right the appearance gas of flowmeter output carries out dust impurity and filters, the analysis appearance is used for right the appearance gas of butterfly filter output is exported, the air pump is used for with appearance gas in the analysis appearance is taken out in order to carry out on-line measuring. Carry out dust vapor filtration, cooling and flow control to sample gas through VOC gaseous on-line measuring preprocessing device's water vapor separator, condenser, flowmeter, butterfly filter before gaseous detection to guarantee suitable gaseous detection humidity, temperature flow environment, avoided strong corrosive gas and dust to dissolve in the steam and form acid-base and corrode the unsafe condition of detecting instrument and test data, promoted the accuracy that VOC gaseous detected.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic structural diagram of an online detection and pretreatment device for VOC gas in an embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be further described in more detail with reference to the accompanying drawings and the detailed description. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood in combination with the specific situation. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Fig. 1 is a schematic structural diagram of an online detection and pretreatment device for VOC gas in an embodiment of the present invention. As shown in the figure, the VOC gas online detection pretreatment device 100 includes a water-vapor separator 1, a condenser 2, a flow meter 3, a butterfly filter 4, an analyzer 5 and an air pump 6, which are sequentially connected through an air pipe in a sealing manner, so that a VOC (Volatile organic compound) sample gas to be detected can be input from the water-vapor separator 1 and output from the air pump 6 for pretreatment, and finally, the VOC gas online detection is performed through a testing instrument.
In this embodiment, the income gas port and the 9 sealing connection of sampling probe of vapor separator 1, sampling probe 9 treats that the VOC gas that detects removes dust at first step and sample gas sampling, then carries and gives one-level filter fineness to be 5 microns vapor separator 1 carries out dust and vapor and filters, has avoided strong corrosive gas and dust to dissolve in steam and has formed acid-base and the unsafe condition of corrosion detection instrument and test data, has promoted the gaseous accuracy that detects of VOC. The condenser 2 is right the sample gas of water vapor separator 1 output cools down to guarantee suitable gaseous detection temperature environment, promoted the accuracy that VOC gas detected.
The optional float flowmeter of flowmeter 3 is right the sample gas of 2 outputs of condenser carries out flow display and flow control to guarantee suitable gas detection flow environment, promoted the accuracy that VOC gas detected. The butterfly filter 4 is right the sample gas of flowmeter 3 output carries out dust impurity once more and filters, has avoided strong corrosive gas and dust to dissolve in steam and form acid-base and corrode the inaccurate condition of detecting instrument and test data, has promoted the accuracy that VOC gas detected.
In this embodiment, the analyzer 5 outputs the sample gas output by the butterfly filter 4, and the air pump 6 pumps out the sample gas in the analyzer 5 for online detection. Still can further set up humidity transducer, temperature sensor and pressure sensor in the analysis appearance 5 for detect respectively the humidity, temperature and the pressure of appearance gas in the analysis appearance 5 to judge whether suitable up to standard of detection environment such as the humidity, temperature and the pressure of appearance gas before gaseous detection, ensure the accuracy of gaseous detection. When the humidity sensor, the temperature sensor, the pressure sensor and the flowmeter 3 detect that the humidity, the temperature, the pressure and the flow of the sample gas exceed the corresponding preset threshold values, an alarm module can be configured to alarm so that the detection personnel can perform further pretreatment correspondingly.
In this embodiment, still be provided with through the trachea with flowmeter 3, analysis appearance 4 and air pump 6 switch on's choke valve 7 for sample gas wherein reduces pressure, in order to guarantee suitable gaseous detection pressure environment, has promoted the accuracy that VOC gas detected. The condenser 2 bottom corresponds still to be provided with rather than the peristaltic pump 8 that switches on, is used for right condenser 2 carries out automatic drainage, has avoided strong corrosive gas and dust to dissolve in steam and form acid-base and corrode the inaccurate condition of detecting instrument and test data, has promoted the accuracy that VOC gas detected.
In conclusion, the gaseous on-line measuring preprocessing device of VOC of this embodiment is including sealing connection's steam separator, condenser, flowmeter, butterfly filter, analysis appearance and air pump in proper order, steam separator is used for carrying out dust and vapor filtration to VOC gas appearance gas, the condenser is used for right the appearance gas of steam separator output cools down, the flowmeter is used for right the appearance gas of condenser output carries out flow display and flow control, butterfly filter is used for right the appearance gas of flowmeter output carries out dust impurity and filters, the analysis appearance is used for right the appearance gas of butterfly filter output is exported, the air pump is used for with appearance gas in the analysis appearance is taken out in order to carry out on-line measuring. Carry out dust vapor filtration, cooling and flow control to sample gas through VOC gaseous on-line measuring preprocessing device's water vapor separator, condenser, flowmeter, butterfly filter before gaseous detection to guarantee suitable gaseous detection humidity, temperature flow environment, avoided strong corrosive gas and dust to dissolve in the steam and form acid-base and corrode the unsafe condition of detecting instrument and test data, promoted the accuracy that VOC gaseous detected.
In the description herein, references to the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. The utility model provides a gaseous on-line measuring preprocessing device of VOC, its characterized in that, includes sealing connection's steam separator, condenser, flowmeter, butterfly filter, analysis appearance and air pump in proper order, the steam separator is used for carrying out dust and vapor filtration to VOC gas appearance gas, the condenser is used for right the appearance gas of steam separator output cools down, the flowmeter is used for right the appearance gas of condenser output carries out flow display and flow control, the butterfly filter is used for right the appearance gas of flowmeter output carries out dust impurity and filters, the analysis appearance is used for right the appearance gas of butterfly filter output is exported, the air pump be used for with appearance gas in the analysis appearance is taken out in order to carry out on-line measuring.
2. The on-line detection pretreatment device for VOC gas as claimed in claim 1, further comprising a throttle valve respectively connected to said flow meter, analyzer and air pump for decompressing the sample gas.
3. The on-line VOC gas detection and pretreatment device of claim 1, further comprising peristaltic pumps in communication with said condensers, respectively, for automatically draining said condensers.
4. The on-line detection pretreatment device for VOC gas as claimed in claim 1, wherein the gas inlet of the water-vapor separator is hermetically connected with a sampling probe.
5. The VOC gas on-line detection pretreatment device of claim 1, wherein the primary filtration precision of the water-vapor separator is 5 μm.
6. The VOC gas on-line detection pretreatment device of claim 1, wherein the flow meter is a float flow meter.
7. The on-line detection and pretreatment device for VOC gas as claimed in claim 1, further comprising a humidity sensor, a temperature sensor and a pressure sensor disposed in said analyzer for respectively detecting the humidity, temperature and pressure of the sample gas in said analyzer.
8. The on-line VOC gas detection and pretreatment device of claim 7, further comprising an alarm module for alarming when the humidity sensor, the temperature sensor, the pressure sensor and the flow meter detect that the humidity, the temperature, the pressure and the flow of the sample gas exceed the corresponding preset thresholds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921245388.6U CN210322525U (en) | 2019-08-02 | 2019-08-02 | VOC gas on-line detection preprocessing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921245388.6U CN210322525U (en) | 2019-08-02 | 2019-08-02 | VOC gas on-line detection preprocessing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210322525U true CN210322525U (en) | 2020-04-14 |
Family
ID=70127866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921245388.6U Active CN210322525U (en) | 2019-08-02 | 2019-08-02 | VOC gas on-line detection preprocessing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210322525U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112816632A (en) * | 2021-02-23 | 2021-05-18 | 杨天舒 | VOCs (volatile organic compounds) online monitoring system and method for corrosive gas |
| CN114076818A (en) * | 2021-10-12 | 2022-02-22 | 宇星科技发展(深圳)有限公司 | Gas detection device and method |
| CN114136752A (en) * | 2021-12-03 | 2022-03-04 | 沃森能源技术（廊坊）有限公司 | Sample gas constant temperature device with temperature change resistance and sample gas pretreatment system |
| CN115290819A (en) * | 2022-07-01 | 2022-11-04 | 中海油常州涂料化工研究院有限公司 | Online monitoring method and device for corrosive gas in oil-gas field facility |
-
2019
- 2019-08-02 CN CN201921245388.6U patent/CN210322525U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112816632A (en) * | 2021-02-23 | 2021-05-18 | 杨天舒 | VOCs (volatile organic compounds) online monitoring system and method for corrosive gas |
| CN114076818A (en) * | 2021-10-12 | 2022-02-22 | 宇星科技发展(深圳)有限公司 | Gas detection device and method |
| CN114136752A (en) * | 2021-12-03 | 2022-03-04 | 沃森能源技术（廊坊）有限公司 | Sample gas constant temperature device with temperature change resistance and sample gas pretreatment system |
| CN115290819A (en) * | 2022-07-01 | 2022-11-04 | 中海油常州涂料化工研究院有限公司 | Online monitoring method and device for corrosive gas in oil-gas field facility |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210322525U (en) | VOC gas on-line detection preprocessing device | |
| CN101354394B (en) | Expiration nitric oxide detection device | |
| JP6556709B2 (en) | How to check the normal functioning of sampling equipment | |
| US10948207B2 (en) | Air purifier and air purification method | |
| CN108982770B (en) | Gas detection pretreatment system and gas online detection method | |
| CN207007705U (en) | A kind of flue gas inspection device for ship tail gas desulfurizer | |
| CN106970182A (en) | A kind of apparatus and method of on-line checking mixed gas concentration | |
| CN105973954A (en) | Oxygen content calibration gas sampling device and online oxygen content calibration method | |
| CN102778445B (en) | Intelligent analyzer and detection method for standard state dry basis | |
| CN108801718A (en) | A kind of tail gas on-line monitoring system peculiar to vessel | |
| CN210774922U (en) | Dew point meter with sampling system | |
| CN103383296A (en) | Leakage detecting system for condensers | |
| CN208254719U (en) | Condenser leakage detection device | |
| CN111366681B (en) | Intelligent online analysis system for oxygen concentration of centrifugal machine | |
| CN109283297B (en) | Independent calibration sampling system for hydrogen online analysis | |
| CN208270467U (en) | Dew point on-line measuring device | |
| CN108398366B (en) | Comprehensive detection and analysis system and method for gas quality of compressed air of power plant | |
| CN110715926A (en) | Detection gas circuit for measuring automobile exhaust | |
| JP2007024768A (en) | Incinerator tritium sampler | |
| CN213903313U (en) | Device for detecting content of mineral oil in sulfur hexafluoride gas | |
| CN109765275A (en) | A kind of method, apparatus of outdoor quick online detection crude oil hydrogen sulfide content | |
| CN210109070U (en) | Gas pretreatment device with reverse pumping function and gas detection device | |
| CN209231263U (en) | A kind of exceeded alarming sensor of VOC with remote maintenance functions | |
| CN109932490B (en) | Gas pretreatment device with back-pumping function and gas detection device | |
| CN108572238A (en) | A kind of edible fungi mushroom house carbon dioxide pumping pump type detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |