CN106770977A - A kind of oil removing removes water anti-blocking VOCs on-Line Monitor Devices - Google Patents
A kind of oil removing removes water anti-blocking VOCs on-Line Monitor Devices Download PDFInfo
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- CN106770977A CN106770977A CN201710051591.9A CN201710051591A CN106770977A CN 106770977 A CN106770977 A CN 106770977A CN 201710051591 A CN201710051591 A CN 201710051591A CN 106770977 A CN106770977 A CN 106770977A
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- nafion
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 28
- 238000005070 sampling Methods 0.000 claims abstract description 82
- 239000000523 sample Substances 0.000 claims abstract description 68
- 229920000557 Nafion® Polymers 0.000 claims abstract description 42
- 238000012544 monitoring process Methods 0.000 claims abstract description 28
- 238000004140 cleaning Methods 0.000 claims abstract description 19
- 239000010865 sewage Substances 0.000 claims abstract description 11
- 230000002000 scavenging effect Effects 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims 1
- 238000012806 monitoring device Methods 0.000 abstract description 7
- 239000007789 gas Substances 0.000 description 46
- 230000005540 biological transmission Effects 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000035508 accumulation Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000013068 control sample Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0011—Sample conditioning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0029—Cleaning of the detector
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
Anti-blocking VOCs on-Line Monitor Devices are removed water the present invention relates to a kind of oil removing, existing monitoring device processing unit oil removing water removal is mainly solved not thoroughly, the problem that the oil stain inside device is largely accumulated without being cleaned in time.The present invention removes water anti-blocking VOCs on-Line Monitor Devices by using a kind of oil removing, including casing, sampling unit, processing unit, monitoring unit, backflush unit and control unit, the body side offers sample gas air inlet, blowback air inlet, air inlet, sewage draining exit, sample gas exhaust outlet and air exhaust port, the sampling unit includes sampling probe, sampling pump and sampling magnetic valve, the processing unit includes oil removal filter, oil water separator, vaccum dewatering device, magnetic valve, Nafion is managed, Nafion flowmeter for pipe, sample air-flow gauge and cleaning pump, the monitoring unit includes analyzer, the backflush unit includes the technical scheme of air cleaner and blowback magnetic valve, preferably solve the problem, can be used for the monitoring of VOCs.
Description
Technical field
Anti-blocking VOCs on-Line Monitor Devices are removed water the present invention relates to a kind of oil removing.
Background technology
The existing VOCs on-Line Monitor Devices based on PID are not perfect enough, and existing apparatus processing unit oil removing water removal is not thorough,
The oil stains of a large amount of accumulations in device inside do not carry out cleaning blocking pipeline in time, cause subsequent analysis instrument prohibited data detection really and
Analyzer internal damage, stability is poor, and service life is short, it is impossible to reach on-line monitoring for a long time.
And for example the U of Chinese patent literature CN 204374179 disclose a kind of VOCs remote monitoring devices, including shell, peace
Cased aspiration pump, separation dryer structure, pressure-reducing valve monitors room, control device, transmits wirelessly unit, antenna and remote
Journey display platform, wherein the shell lower surface offers air inlet, discharge outlet and gas outlet, the aspiration pump passes through air inlet pipe
Through air inlet to extract the flue gas in chimney, pressure-reducing valve and monitoring room are connected after the aspiration pump connection separation dryer structure,
So that by dry flue gas feeding monitoring room, the monitoring indoor location has VOCs sensors, the VOCs sensors connection control
Device, control device connection wireless transmission unit, the antenna is arranged on side wall of outer shell, and with the wireless transmission unit
Connection.Above-mentioned utility model has used a simple condenser to remove water, and the moisture in gas can not be removed thoroughly, and have part
The VOCs gases that condensed water can be dissolved in are diluted, and also do not carry out oil removing, cause monitoring result inaccurate.Simultaneously inside device
Oil stain largely accumulate without being cleaned in time, cause follow-up Monitoring Data inaccurate and oil blocking device inside, shadow
Ring device service life, it is impossible to reach on-line monitoring for a long time.
The content of the invention
The technical problems to be solved by the invention are that existing monitoring device processing unit oil removing is removed water inside not thorough, device
Oil stain largely accumulation without the problems cleaned in time, there is provided a kind of new oil removing removes water anti-blocking VOCs on-line monitorings dress
Put.The device can be removed water thoroughly in oil removing in the case of VOCs compositions are not changed, and make monitoring result more accurate, while blowback
Unit can will gather the water stain timely discharge of oil stain do not arranged in oil water separator, oil removal filter, vaccum dewatering device and pipeline,
Plant maintenance frequency is reduced, continuous on-line monitoring provides guarantee for a long time for device.
For the technical scheme for solving above-mentioned technical problem present invention use is as follows：It is online that a kind of oil removing removes water anti-blocking VOCs
Monitoring device, including casing, sampling unit, processing unit, monitoring unit, backflush unit and control unit, the body side
Offer sample gas air inlet, blowback air inlet, air inlet, sewage draining exit, sample gas exhaust outlet and air exhaust port, the sampling
Unit includes sampling probe, sampling pump and sampling magnetic valve, and the processing unit includes oil removal filter, oil water separator, true
Empty dehydrater, magnetic valve, Nafion pipes, Nafion flowmeter for pipe, sample air-flow gauge and cleaning pump, the monitoring unit include dividing
Analyzer, the backflush unit includes air cleaner and blowback magnetic valve, and the sampling probe is sequentially connected sample gas by pipeline
Air inlet, sampling magnetic valve, oil water separator, oil removal filter, vaccum dewatering device, sampling pump, Nafion pipes, sample throughput
Meter, analyzer and sample gas exhaust outlet, described control unit include relay, and the relay is electrically connected at the sampling electromagnetism
Valve, blowback magnetic valve, sampling pump and magnetic valve.
In above-mentioned technical proposal, it is preferable that the relay include the time relay and control relay, the time after
Electrical equipment is provided with input module and display module, and the input module is used to receive the instruction that user manually enters, the input
Module is sampling time module and scavenging period module, is respectively used to the setting of sampling time and scavenging period, the input mould
Block top is provided with corresponding display module, and the display module is used for the data letter of display input module input in real time in real time
Breath, the control relay is used to being converted to control signal and being sent to the sampling instruction that the time relay is obtained
Magnetic valve, blowback magnetic valve, sampling pump and magnetic valve, to control the sampling magnetic valve, blowback magnetic valve, sampling pump and electromagnetism
The work of valve, the control signal includes opening the time of magnetic valve, the unlatching duration of magnetic valve, the unlatching of sampling pump and pass
Close, duration of sampling, cleaning duration and close the magnetic valve time at least one.
Preferably, the magnetic valve is provided with 3, respectively three-way magnetic valve and blowdown electromagnetism after three-way magnetic valve, pump before pump
Valve, for the gas between control pipeline or liquid break-make.
Preferably, by three-way magnetic valve, the sampling before pipeline connection pump between the vaccum dewatering device and sampling pump
By three-way magnetic valve after pipeline connection pump between pump and Nafion pipes.
Preferably, the Nafion pipes are made up of inner tubal wall and outer tube wall, and described Nafion pipes inner tubal wall one end is by pipe
Three-way magnetic valve behind road and pump, Nafion pipe inner tubal walls other end connection sample air-flow gauge, described Nafion pipes outer tube wall one end
It is connected with air inlet by pipeline, the Nafion pipe outer tube wall other ends are sequentially connected Nafion flowmeter for pipe and cleaning pump,
The cleaning pump connects air exhaust port.
Preferably, described air cleaner one end is connected by pipeline with blowback air inlet, and the other end passes through pipeline successively
Connection blowback magnetic valve and sampling pump, the sampling pump first three energization magnetic of three-way magnetic valve, pump after pipeline is sequentially connected pump
Valve and vaccum dewatering device.
Preferably, the oil water separator, oil removal filter and vaccum dewatering device lower end connect drainpipe, drainpipe respectively
It is connected with sewage draining exit by blowoff electromagnetic valve.
The present invention removes halfway problem by oil water separator and oil removal filter, the oil solved in sample gas,
The purity of VOCs in sample gas is substantially increased, makes the detection data of analyzer more accurate；The present invention is by vaccum dewatering device, energy
The moisture of enough thoroughly removal sample gas；The present invention by Nafion pipe rapid draing sample gas, and do not influence VOCs in sample gas into
Point, by increasing capacitance it is possible to increase the accuracy of monitoring prevents damage of the wet gas to analyzer simultaneously, so as to extend analyzer use
Life-span；Backflush unit of the invention can will gather what is do not arranged in oil water separator, oil removal filter, vaccum dewatering device and pipeline
Oil moisture is discharged in time, it is ensured that the oil removing water removal effect of device, while preventing oil moisture from blocking oil water separator, oil removing
Filter, vaccum dewatering device and pipeline, for device, continuous on-line monitoring provides guarantee for a long time.
Using device of the invention, up to 95%, oil clearance in sample gas is up to 95% for moisture removal rate in sample gas.Such as
Fruit monitors identical sample gas with existing monitoring device, and up to 60%, the oil stain in sample gas does not go the moisture removal rate in sample gas
Remove.Therefore, cause that the moisture removal rate in sample gas improves 35% using device of the invention, the oil clearance in sample gas is carried
It is high by 95%, the oil moisture removal rate in sample gas is substantially increased, make monitoring result more accurate, further, since the device
Back-blowing device will can be gathered in oil water separator, oil removal filter, vaccum dewatering device and pipeline the oil moisture do not arranged and
When discharge, for device, continuous on-line monitoring provides guarantee for a long time.
Brief description of the drawings
Fig. 1 removes water anti-blocking VOCs on-Line Monitor Devices schematic diagram for a kind of oil removing of the invention.
Fig. 2 is Nafion pipes schematic diagram of the present invention.
In accompanying drawing：
1st, casing 2, sampling pump 3, oil removal filter
4th, oil water separator 5, air cleaner 6, cleaning pump
7th, vaccum dewatering device 8, sample air-flow gauge 9, Nafion pipe
10th, Nafion flowmeter for pipe 11, analyzer 12, blowoff electromagnetic valve
13rd, three-way magnetic valve before sampling magnetic valve 14, blowback magnetic valve 15, pump
16th, three-way magnetic valve 17, the time relay 18, control relay after pump
19th, sample gas air inlet 20, blowback air inlet 21, air inlet
22nd, sewage draining exit 23, sample gas exhaust outlet 24, air exhaust port
25th, by-pass port 26, sampling probe 91, inner tubal wall
92nd, outer tube wall
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
As shown in figure 1, a kind of oil removing removes water anti-blocking VOCs on-Line Monitor Devices, including casing 1, sampling unit, treatment is single
Unit, monitoring unit, backflush unit and control unit, the side of the casing 1 offer sample gas air inlet 19, blowback air inlet 20,
Air inlet 21, sewage draining exit 22, sample gas exhaust outlet 23 and air exhaust port 24, the sampling unit include sampling probe 26,
Sampling pump 2 and sampling magnetic valve 13, the processing unit include oil removal filter 3, oil water separator 4, vaccum dewatering device 7, electricity
Magnet valve, Nafion pipes 9, Nafion flowmeter for pipe 10, sample air-flow gauge 8 and cleaning pump 6, the monitoring unit include analyzer
11, the backflush unit includes air cleaner 5 and blowback magnetic valve 14, and the sampling probe 26 is sequentially connected sample by pipeline
Gas air inlet 19, sampling magnetic valve 13, oil water separator 4, oil removal filter 3, vaccum dewatering device 7, sampling pump 2, Nafion pipe
9th, sample air-flow gauge 8 and analyzer 11, sample gas exhaust outlet 23, described control unit include relay, and the relay electrically connects
The sampling magnetic valve 13, blowback magnetic valve 14, sampling pump 2 and magnetic valve are connected to, the relay includes the time relay 17
With control relay 18, the time relay is provided with input module and display module, and the input module is used to receive to be used
The instruction that family manually enters, the input module be sampling time module and scavenging period module, be respectively used to the sampling time and
The setting of scavenging period, the input module top is provided with corresponding display module, and the display module is used for display in real time
The data message of input module input in real time, the control relay 18 is used for the instruction conversion for obtaining the time relay
For control signal and the sampling magnetic valve 13, blowback magnetic valve 14, sampling pump 2 and magnetic valve are sent to, to control described adopting
The work of sample magnetic valve 13, blowback magnetic valve 14, sampling pump 2 and magnetic valve, the control signal include open magnetic valve when
Between, magnetic valve open duration, the opening and closing of sampling pump, sampling duration, cleaning duration and close the magnetic valve time in
It is at least one.The magnetic valve is provided with 3, respectively three-way magnetic valve 16 and blowoff electromagnetic valve after three-way magnetic valve 15, pump before pump
12, for the gas between control pipeline or liquid break-make.Connected by pipeline between the vaccum dewatering device 7 and sampling pump 2
Connect three-way magnetic valve 15 before pump, between the sampling pump 2 and Nafion pipes 9 between by pipeline connect pump after three-way magnetic valve
16.The one end of the air cleaner 5 is connected by pipeline with blowback air inlet 20, and the other end is sequentially connected blowback electricity by pipeline
Magnet valve 14 and sampling pump 2, the sampling pump 2 is by three-way magnetic valve 15 before three-way magnetic valve 16, pump after pipeline is sequentially connected pump
With vaccum dewatering device 7.The oil water separator 4, oil removal filter 3 and the lower end of vaccum dewatering device 7 connect drainpipe, draining respectively
Pipe is connected by blowoff electromagnetic valve 12 with sewage draining exit 22, and three-way magnetic valve 16 is also connected by pipeline with by-pass port 25 after the pump
Connect, pressure release can be carried out by the port.
As shown in Fig. 2 the Nafion pipes 9 are made up of inner tubal wall 91 and outer tube wall 92, the inner tubal wall 91 of the Nafion pipes 9
One end is connected by pipeline with three-way magnetic valve after pump 16, the other end of 9 inner tubal wall of Nafion pipes 91 connection sample gas gauge 8,
Described one end of 9 outer tube wall of Nafion pipes 92 is connected by pipeline with air inlet 21, the other end of 9 outer tube wall of Nafion pipes 92 according to
Secondary connection Nafion flowmeter for pipe 10 and cleaning pump 6, the connection air exhaust port 24 of the cleaning pump 6.The cleaning pump 6 extracts gas
Body makes the inside and outside barometric gradient for existing of tube wall by Nafion pipes outer tube wall 92, and the aqueous vapor that will be evaporated is taken away, so that inner tube
Wall VOCs gases reach dry effect.Cleaning pump 6 extracts gas by entering Nafion pipe streams after Nafion pipes outer tube wall 92
Control cleaning pump 6 is produced gauge 10, the Nafion flowmeter for pipe 10 air-flow of flow speed stability, finally by air exhaust port
24 discharges.
Function mode：Input sample time in sampling time module on the time relay 17, the time relay 17 will
The instruction for manually entering is sent to control relay 18, after control relay 18 receives process instruction, opens sampling pump 2 and adopts
Sample magnetic valve 13, the sample gas of extraction is sequentially passed through sampling pump 2 into sampling probe 26 and sampling magnetic valve 13 is re-fed into water-oil separating
Device 4 carries out sample qi exhaustion oil, and the lower end of the oil water separator 4 connects drainpipe and the oil after de-oiling is discharged from sewage draining exit 22, described
The one end of oil water separator 4 connects oil removal filter 3, and the sample pneumatic transmission after oil water separator 4 is separated enters to be carried out in oil removal filter 3
Oil removing is filtered again, and the lower end of the oil removal filter 3 connects drainpipe and the oil after de-oiling is discharged from sewage draining exit 22, the oil removing
The other end of filter 3 connection vaccum dewatering device 7, the sample pneumatic transmission after oil removal filter 3 is filtered enters and is removed in vaccum dewatering device 7
Water, after the completion for the treatment of above-mentioned sample gas oil removing water removal, sample gas passes sequentially through before pump threeway electromagnetism after three-way magnetic valve 15, sampling pump 2, pump
Valve 16, sample air-flow gauge 8, analyzer 11 and sample gas exhaust outlet 23, the sample are sequentially sent to after being dried finally by Nafion pipes 9
Gas is dried by Nafion pipes 9, increased the accuracy of monitoring while preventing damage of the wet gas to analyzer 11, the sample
Air-flow gauge 8 is prevented because flow velocity is too fast so as to Failure analysis instrument 11, the analyzer 11 so as to the flow velocity of precise control sample gas
The VOCs numerical value of sample gas in analyzer 11 is transported to monitor, the sample gas after monitoring is by being connected to the sample gas of the one end of analyzer 11
Exhaust outlet 23 is discharged.After using a period of time, by setting the blowback time on the time relay 17, the time relay 17 will
Signal feeds back to control relay 18, three-way magnetic valve 16, blowback after three-way magnetic valve 15, pump before the controlling pump of control relay 18
Magnetic valve 14 and blowoff electromagnetic valve 12 are acted, and sampling magnetic valve 13 stops, while control sampling pump 2 to extract extraneous air, by sky
Pneumatic transmission enters air cleaner 5 carries out removal of impurities, is then sequentially sent to three-way magnetic valve after blowback magnetic valve 14, sampling pump 2, pump
16th, three-way magnetic valve 15 before pump, finally carries out blowback to vaccum dewatering device 7, oil removal filter 3 and the inwall of oil water separator 4
Cleaning, the dirt impurity for being cleaned out is with purge flow under vaccum dewatering device 7, oil removal filter 3 and oil water separator 4
The sewage draining exit 22 of side is discharged.
【Embodiment】：
Using the monitoring device of Fig. 1, moisture removal rate in sample gas up to 95%, the oil clearance in sample gas up to 95%,
Its device oil removing water removal effect is good, solves the oil removing of device processing unit and removes water halfway problem, so as to ensure that monitoring knot
The accuracy of fruit.Backflush unit can will gather the oil moisture do not arranged and discharge in time simultaneously in device, be that device connects for a long time
Continuous on-line monitoring is provided and ensured.
【Comparative example】：
Using the VOCs remote monitoring devices of the U of Chinese patent literature CN 204374179, the moisture removal rate in sample gas reaches
60%, the water removal of its device processing unit thoroughly, does not carry out oil removing, it is impossible to the oil moisture do not arranged will be gathered in device timely
Discharge, has a strong impact on the accuracy of monitoring result, also cannot continuously monitor on-line for a long time.
Although being described to illustrative specific embodiment of the invention above, in order to the technology of the art
Personnel are it will be appreciated that the present invention, but the present invention is not limited only to the scope of specific embodiment, to the common skill of the art
For art personnel, as long as long as various change is in appended claim restriction and the spirit and scope of the invention for determining, one
The innovation and creation using present inventive concept are cut in the row of protection.
Claims (7)
1. a kind of oil removing removes water anti-blocking VOCs on-Line Monitor Devices, it is characterised in that：Including casing, sampling unit, processing unit,
Monitoring unit, backflush unit and control unit, the body side offer sample gas air inlet, blowback air inlet, air inlet
Mouth, sewage draining exit, sample gas exhaust outlet and air exhaust port, the sampling unit include sampling probe, sampling pump and sampling magnetic valve,
The processing unit includes oil removal filter, oil water separator, vaccum dewatering device, magnetic valve, Nafion pipes, Nafion pipe flows
Meter, sample air-flow gauge and cleaning pump, the monitoring unit include analyzer, and the backflush unit includes air cleaner and blowback
Magnetic valve, the sampling probe is sequentially connected sample gas air inlet, sampling magnetic valve, oil water separator, oil removing filtering by pipeline
Device, vaccum dewatering device, sampling pump, Nafion pipes, sample air-flow gauge, analyzer and sample gas exhaust outlet, described control unit include
Relay, the relay is electrically connected at the sampling magnetic valve, blowback magnetic valve, sampling pump and magnetic valve.
2. a kind of oil removing according to claim 1 removes water anti-blocking VOCs on-Line Monitor Devices, it is characterised in that the relay
Device includes the time relay and control relay, and the time relay is provided with input module and display module, the input
Module is used to receive the instruction that user manually enters, and the input module is sampling time module and scavenging period module, difference
For the setting of sampling time and scavenging period, the input module top is provided with corresponding display module, the display mould
Block is used for the data message of display input module input in real time in real time, and the control relay is used to obtain in the time relay
The instruction for obtaining is converted to control signal and is sent to the sampling magnetic valve, blowback magnetic valve, sampling pump and magnetic valve, to control
The sampling magnetic valve, blowback magnetic valve, the work of sampling pump and magnetic valve, the control signal include opening magnetic valve when
Between, magnetic valve open duration, the opening and closing of sampling pump, sampling duration, cleaning duration and close the magnetic valve time in
It is at least one.
3. a kind of oil removing according to claim 1 removes water anti-blocking VOCs on-Line Monitor Devices, it is characterised in that the electromagnetism
Valve is provided with 3, respectively three-way magnetic valve and blowoff electromagnetic valve after three-way magnetic valve, pump before pump, for the gas between control pipeline
Body or liquid break-make.
4. a kind of oil removing according to claim 1 removes water anti-blocking VOCs on-Line Monitor Devices, it is characterised in that the vacuum
Between dehydrater and sampling pump by pipeline connect pump before three-way magnetic valve, between the sampling pump and Nafion pipes between pass through
Three-way magnetic valve after pipeline connection pump.
5. a kind of oil removing according to claim 1 removes water anti-blocking VOCs on-Line Monitor Devices, it is characterised in that described
Nafion pipes are made up of inner tubal wall and outer tube wall, described Nafion pipes inner tubal wall one end by three-way magnetic valve after pipeline and pump,
The Nafion pipe inner tubal walls other end connects sample air-flow gauge, and described Nafion pipes outer tube wall one end passes through pipeline and air inlet
Connection, the Nafion pipe outer tube wall other ends are sequentially connected Nafion flowmeter for pipe and cleaning pump, the cleaning pump connection air row
Gas port.
6. a kind of oil removing according to claim 1 removes water anti-blocking VOCs on-Line Monitor Devices, it is characterised in that the air
Filter one end is connected by pipeline with blowback air inlet, and the other end is sequentially connected blowback magnetic valve and sampling pump by pipeline,
The sampling pump is by three-way magnetic valve before three-way magnetic valve, pump after pipeline is sequentially connected pump and vaccum dewatering device.
7. a kind of oil removing according to claim 1 removes water anti-blocking VOCs on-Line Monitor Devices, it is characterised in that the profit
Separator, oil removal filter and vaccum dewatering device lower end connect drainpipe respectively, and drainpipe passes through blowoff electromagnetic valve and sewage draining exit
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710051591.9A CN106770977A (en) | 2017-01-21 | 2017-01-21 | A kind of oil removing removes water anti-blocking VOCs on-Line Monitor Devices |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710051591.9A CN106770977A (en) | 2017-01-21 | 2017-01-21 | A kind of oil removing removes water anti-blocking VOCs on-Line Monitor Devices |
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| CN106770977A true CN106770977A (en) | 2017-05-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109856335A (en) * | 2019-02-13 | 2019-06-07 | 江苏旭龙环境科技有限公司 | A kind of anti-corrosion pretreatment system and application method |
| CN109991364A (en) * | 2017-12-30 | 2019-07-09 | 光力科技股份有限公司 | Gas measurement device and its measuring system |
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| CN202158973U (en) * | 2011-07-18 | 2012-03-07 | 广东长天思源环保科技有限公司 | Pretreatment device for water quality sampling |
| CN202237638U (en) * | 2011-08-26 | 2012-05-30 | 中国石油天然气股份有限公司 | Measurement and control system used in high temperature smoke filter |
| CN202974730U (en) * | 2012-12-27 | 2013-06-05 | 铜陵蓝光电子科技有限公司 | Flue gas sampler with heating and back-blowing functions |
| CN203643215U (en) * | 2013-12-26 | 2014-06-11 | 云南晨怡弘宇环保科技有限公司 | Reverse blowing device of smoke sampling pipeline |
| CN203991439U (en) * | 2014-06-27 | 2014-12-10 | 中国铝业股份有限公司 | The on-line automatic fixed time cleaning device of a kind of fluid analysis instrument |
| CN205538886U (en) * | 2016-01-29 | 2016-08-31 | 中绿环保科技股份有限公司 | Online continuous monitor system of ultralow fume emission |
| CN106178854A (en) * | 2016-09-14 | 2016-12-07 | 上海神开石油化工装备股份有限公司 | The drying device of a kind of gas detection logging sample gas and drying means |
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Application publication date: 20170531 |