CN204228688U - A kind of VOC gas and NMHC gas-detecting device - Google Patents
A kind of VOC gas and NMHC gas-detecting device Download PDFInfo
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- CN204228688U CN204228688U CN201420650759.XU CN201420650759U CN204228688U CN 204228688 U CN204228688 U CN 204228688U CN 201420650759 U CN201420650759 U CN 201420650759U CN 204228688 U CN204228688 U CN 204228688U
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- gas
- nmhc
- voc
- detecting device
- absorption tower
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model discloses a kind of VOC gas and NMHC gas-detecting device, comprise three synthesis workshop exhausr ports, three described synthesis workshop exhausr ports connect organic waste gas absorption tower by pipeline, described organic exhaust gas absorption tower connects activated carbon adsorber, described activated carbon adsorber connecting fan, described assembling has pick-up unit, described pick-up unit is connected to stack base, described air flue emission mouth is connected with qualified discharge, described organic exhaust gas absorption tower connects electrical control cubicles by CY-2 explosion-proof gear oil pump, described electrical control cubicles connects described blower fan, this device can detect whether the content of VOC gas and NMHC gas in harmful gas exceeds standard, if exceed standard, floss hole is closed, blower fan reenters organic exhaust gas absorption tower the gas that exceeds standard by By-pass vent pipe and connects activated carbon adsorber process until VOC gas and NMHC gas-detecting device detect gas discharging concentration data reaches below setting data and can discharge.
Description
Technical field
The utility model relates to a kind of gas-detecting device, is specially a kind of VOC gas and NMHC gas-detecting device, belongs to environmental protection technical field.
Background technology
In recent years, the many ground of China shows haze weather frequently, especially the area such as the Yangtze River Delta, Pearl River Delta and Beijing-Tianjin Hebei and Shandong, atmospheric pollution level is very serious, September in the same year, ten measures that State Council prints and distributes " prevention and control of air pollution action plan " are made every effort to promote air quality and are improved, and volatile organic matter (VOCS) and NMHC are as one of principal element causing China's urban atmospheric pollution, and its Environmental capacity work is one of the focus of " ten, air ".
At present, the organic gas of general factory is directly discharged in air by air exhauster, and air flue emission gas is mainly monitored in common environmental gas emission monitoring, and have ignored the direct discharge of workshop organic gas.
Summary of the invention
The technical problems to be solved in the utility model overcomes existing defect, provides a kind of VOC gas and NMHC gas-detecting device, can effectively prevent in organic gas VOC and non-methane hydrocarbon emission band environment.
For achieving the above object, the utility model provides following technical scheme: a kind of VOC gas and NMHC gas-detecting device, comprise three synthesis workshop exhausr ports, three described synthesis workshop exhausr ports connect organic waste gas absorption tower by pipeline, described organic exhaust gas absorption tower connects activated carbon adsorber, described activated carbon adsorber connecting fan, described assembling has pick-up unit, described pick-up unit is connected to bottom air flue emission mouth, described air flue emission mouth is connected with qualified discharge, described organic exhaust gas absorption tower connects electrical control cubicles by CY-2 explosion-proof gear oil pump, described electrical control cubicles connects described blower fan.
Described three synthesis workshop exhausr ports comprise the first synthesis workshop exhausr port, the second synthesis workshop exhausr port and the 3rd synthesis workshop exhausr port further.
Further described electrical control cubicles one end connecting fan, the other end connects CY-2 explosion-proof gear oil pump.
Further described pick-up unit comprises VOC gas detect and NMHC gas detect, and described VOC gas detect comprises pretreatment unit and 322-PID detector, is provided with 9000 serial methane and non-methane analyser in described NMHC gas detect.
Further described air flue emission mouth is long 15 meters.
By-pass vent pipe is connected with between further described pick-up unit and organic exhaust gas absorption tower.
Compared with prior art, the beneficial effects of the utility model are: this kind of VOC gas and NMHC gas-detecting device can detect before harmful gas enters flue, can detect whether the content of VOC gas and NMHC gas in harmful gas exceeds standard by pick-up unit, if exceed standard, floss hole is closed, blower fan reenters organic exhaust gas absorption tower the gas that exceeds standard by By-pass vent pipe and connects activated carbon adsorber process until VOC gas and NMHC gas-detecting device detect gas discharging concentration data reaches below setting data and can discharge.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in detail, to make above-mentioned advantage of the present invention definitely.
Fig. 1 is the utility model main flow schematic diagram;
Fig. 2 is the utility model pick-up unit schematic diagram:
In figure: 1-qualified discharge; 2-air flue emission mouth; 3-pick-up unit; 4-blower fan; 5-activated carbon adsorber; 6-electrical control cubicles; 7-pipeline; 8-organic exhaust gas absorption tower; 9-first synthesizes workshop exhausr port; 10-second synthesizes workshop exhausr port; 11-the 3rd synthesizes workshop exhausr port; 12-CY-2 explosion-proof gear oil pump; 14-By-pass vent pipe; 15-tri-synthesizes workshop exhausr port; 32-VOC gas detect; 31-NMHC gas detect; 311-9000 series methane and non-methane analyser; 321-pretreatment unit; 322-PID detector.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment; technical scheme in the utility model embodiment is clearly and completely described; obviously; described embodiment is only the utility model part embodiment; instead of whole embodiments; based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, Fig. 2, the utility model provides a kind of technical scheme: a kind of VOC gas and NMHC gas-detecting device, comprise three synthesis workshop exhausr ports 15, three described synthesis workshop exhausr ports 15 connect organic waste gas absorption tower 8 by pipeline 7, described organic exhaust gas absorption tower 8 connects activated carbon adsorber 5, described activated carbon adsorber 5 connecting fan 4, described blower fan 4 is provided with pick-up unit 3, described pick-up unit 3 is connected to bottom air flue emission mouth 2, described air flue emission mouth 2 is connected with qualified discharge 1, described organic exhaust gas absorption tower 8 connects electrical control cubicles 6 by CY-2 explosion-proof gear oil pump 12, described electrical control cubicles 6 connects described blower fan 4, described three synthesis workshop exhausr ports 15 comprise the first synthesis workshop exhausr port 9, second synthesis workshop exhausr port 10 and the 3rd synthesis workshop exhausr port 11, described electrical control cubicles 6 one end connecting fan 4, the other end connects CY-2 explosion-proof gear oil pump 12, described pick-up unit 4 comprises VOC gas detect 32 and NMHC gas detect 31, described VOC gas detect 32 comprises pretreatment unit 321 and 322-PID detector 322, long 15 meters of air flue emission mouth 2 described in 9000 serial methane and non-methane analyser 311 is provided with in described NMHC gas detect 31, By-pass vent pipe 14 is connected with between described pick-up unit 3 and organic exhaust gas absorption tower 8.
Embodiment: first, during emission gases, waste gas is discharged in three synthesis workshop exhausr ports 15, and then waste gas is by entering in organic waste gas absorption tower 8 in pipeline 7, the content of VOC and NMHC in waste gas is reduced by organic exhaust gas absorption tower 8, and then the waste gas after first process enters in activated carbon adsorber 5 and again processes, after process terminates, enter blower fan 4, before the air flue emission mouth 2 entering 15 meters long, waste gas can detect by device 3 after testing, and pick-up unit comprises VOC gas detect 32 and NMHC gas detect 31.
Wherein VOC gas detect 32 adopts volatile organic compounds (VOC) high-sensitive PID (photoionization detector) detector, VOC gas detect 32 includes pretreatment unit 321 and PID detector 322, wherein pretreatment unit 321 adopts the explosion-proof pretreatment unit of GDSDS of SENSIDYNE company of the U.S., realize the filtration of sample gas easily, current stabilization, sampling, the functions such as the correction/sampling switching of detector, PID detector 322 adopts the RAEGUARD2 organic gas detector of HONEYWELL company of the U.S., realize high precision, reliable and stable volatile organic compounds (VOC) monitoring, detector adopts the mode that triple bond bar magnet outside regulates simultaneously, make operating personnel at the scene without the need to uncapping, can carry out easily demarcating and safeguarding, NMHC gas detect 31 adopts for the highstrung FID(flame ionization ditector of hydrocarbon) realize NMHC on-line analysis monitoring, the content of total hydrocarbon and methane can be detected simultaneously, equipment adopts U.S. BASELINE-MOCON company 9000NMHC analyser, realize very high precision, reliable and stable monitoring, be applicable to the on-line monitoring carrying out NMHC being arranged on place of safety, if detect defective, then can close by air flue emission mouth 2, blower fan 4 is reentered the gas that exceeds standard organic exhaust gas absorption tower 8 by By-pass vent pipe 14 and is connect activated carbon adsorber 5 and processes until VOC gas and NMHC gas detect gas discharging concentration data through body pick-up unit 3 reach below setting data, then discharged by the qualified discharge be connected on air flue emission mouth 2.
The utility model is that a kind of VOC gas and NMHC gas-detecting device can detect before harmful gas enters flue, can detect whether the content of VOC gas and NMHC gas in harmful gas exceeds standard by pick-up unit, if exceed standard, air flue emission mouth 2 is closed, and blower fan 4 reenters organic exhaust gas absorption tower 8 the gas that exceeds standard by By-pass vent pipe 14 and connects activated carbon adsorber 5 and processes until VOC gas and NMHC gas detect gas discharging concentration data through body pick-up unit 3 reaches below setting data and can discharge.
Last it is noted that the foregoing is only preferred embodiment of the present utility model; be not limited to the utility model; although be described in detail the utility model with reference to previous embodiment; for a person skilled in the art; it still can be modified to the technical scheme described in foregoing embodiments; or equivalent replacement is carried out to wherein portion of techniques feature; all within spirit of the present utility model and principle; any amendment of doing, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. a VOC gas and NMHC gas-detecting device, comprise three synthesis workshop exhausr ports, it is characterized in that: three described synthesis workshop exhausr ports connect organic waste gas absorption tower by pipeline, described organic exhaust gas absorption tower connects activated carbon adsorber, described activated carbon adsorber connecting fan, described assembling has pick-up unit, described pick-up unit is connected to bottom air flue emission mouth, described air flue emission mouth is connected with qualified discharge, described organic exhaust gas absorption tower connects electrical control cubicles by CY-2 explosion-proof gear oil pump, described electrical control cubicles connects described blower fan.
2. a kind of VOC gas according to claim 1 and NMHC gas-detecting device, is characterized in that: described three synthesis workshop exhausr ports comprise the first synthesis workshop exhausr port, the second synthesis workshop exhausr port and the 3rd synthesis workshop exhausr port.
3. a kind of VOC gas according to claim 1 and NMHC gas-detecting device, is characterized in that: described electrical control cubicles one end connecting fan, and the other end connects CY-2 explosion-proof gear oil pump.
4. a kind of VOC gas according to claim 1 and NMHC gas-detecting device, it is characterized in that: described pick-up unit comprises VOC gas detect and NMHC gas detect, described VOC gas detect comprises pretreatment unit and 322-PID detector, is provided with 9000 serial methane and non-methane analyser in described NMHC gas detect.
5. a kind of VOC gas according to claim 1 and NMHC gas-detecting device, is characterized in that: described air flue emission mouth is long 15 meters.
6. a kind of VOC gas according to claim 1 or 4 and NMHC gas-detecting device, is characterized in that: be connected with By-pass vent pipe between described pick-up unit and organic exhaust gas absorption tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420650759.XU CN204228688U (en) | 2015-01-15 | 2015-01-15 | A kind of VOC gas and NMHC gas-detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420650759.XU CN204228688U (en) | 2015-01-15 | 2015-01-15 | A kind of VOC gas and NMHC gas-detecting device |
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| CN204228688U true CN204228688U (en) | 2015-03-25 |
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| CN201420650759.XU Expired - Fee Related CN204228688U (en) | 2015-01-15 | 2015-01-15 | A kind of VOC gas and NMHC gas-detecting device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064406A (en) * | 2017-04-14 | 2017-08-18 | 中国石油化工股份有限公司 | Online total hydrocarbon concentration alarming method by monitoring |
| CN107456842A (en) * | 2017-08-03 | 2017-12-12 | 成都漆彩之星环保科技有限公司 | Exhaust equipment for waste gas circulation processing |
| CN108802299A (en) * | 2018-07-24 | 2018-11-13 | 深圳市迈珂斯环保科技有限公司 | A kind of VOCs detection method and device |
| CN113791177A (en) * | 2021-08-31 | 2021-12-14 | 上海市计量测试技术研究院 | Fixed pollution source non-methane total hydrocarbon online monitoring device and monitoring method thereof |
| CN115015520A (en) * | 2022-05-30 | 2022-09-06 | 河南大学 | Soil detection device for repairing heavy metals in soil and using method thereof |
-
2015
- 2015-01-15 CN CN201420650759.XU patent/CN204228688U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064406A (en) * | 2017-04-14 | 2017-08-18 | 中国石油化工股份有限公司 | Online total hydrocarbon concentration alarming method by monitoring |
| CN107456842A (en) * | 2017-08-03 | 2017-12-12 | 成都漆彩之星环保科技有限公司 | Exhaust equipment for waste gas circulation processing |
| CN108802299A (en) * | 2018-07-24 | 2018-11-13 | 深圳市迈珂斯环保科技有限公司 | A kind of VOCs detection method and device |
| CN108802299B (en) * | 2018-07-24 | 2021-04-16 | 深圳市迈珂斯环保科技有限公司 | VOCs detection method and device |
| CN113791177A (en) * | 2021-08-31 | 2021-12-14 | 上海市计量测试技术研究院 | Fixed pollution source non-methane total hydrocarbon online monitoring device and monitoring method thereof |
| CN113791177B (en) * | 2021-08-31 | 2023-10-10 | 上海市计量测试技术研究院 | Online monitoring device and method for non-methane total hydrocarbons of fixed pollution sources |
| CN115015520A (en) * | 2022-05-30 | 2022-09-06 | 河南大学 | Soil detection device for repairing heavy metals in soil and using method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 Termination date: 20160115 |
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| EXPY | Termination of patent right or utility model |