CN108168963A - A kind of multifunctional gas sampling apparatus and its method - Google Patents
A kind of multifunctional gas sampling apparatus and its method Download PDFInfo
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- CN108168963A CN108168963A CN201810065331.1A CN201810065331A CN108168963A CN 108168963 A CN108168963 A CN 108168963A CN 201810065331 A CN201810065331 A CN 201810065331A CN 108168963 A CN108168963 A CN 108168963A
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- 238000005070 sampling Methods 0.000 title claims abstract description 140
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 90
- 239000013618 particulate matter Substances 0.000 claims abstract description 19
- 230000005484 gravity Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 abstract description 7
- 239000000428 dust Substances 0.000 abstract description 4
- 230000007717 exclusion Effects 0.000 abstract description 3
- 238000007689 inspection Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 62
- 238000005516 engineering process Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Classifications
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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
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (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
The present invention provides a kind of multifunctional gas sampling apparatus and its methods, belong to exhaust gas sampling technique field.It solves the problems, such as that existing gas sampling assembly testing result is inaccurate.In the present invention, by centrifuge by the particulate separation in exhaust gas and exclusion, particulate matter is avoided by pipeline blockage, so that it is guaranteed that the quality of sample, and then ensure the accuracy of sample, in this way, the multifunctional gas sampling apparatus can be applied to the environment with dust gas by people, which cleans pipeline before sample is acquired, ensure the quality of sample, so that it is guaranteed that the accuracy of inspection result, secondly, which is also avoided that the situation of absorbing liquid suck-back.
Description
Technical field
The invention belongs to exhaust gas sampling technique fields, are related to a kind of multifunctional gas sampling apparatus and its method.
Background technology
In stationary source exhaust gas sampling process, such as ammonia, hydrogen chloride in acquisition exhaust gas, in existing gas sampling assembly
There are following both sides defects：
First, it is to have residual gas influence in sample lines, is mixed in sample lines in the gaseous sample to be detected acquired
Remaining original gas causes testing result inaccurate；
2nd, it is that swabbing is encountered down when sampling apparatus is automatically stopped, absorbing liquid is pumped, and sampling is caused to fail；
3rd, during exhaust gas samples, people can not disposably acquire multigroup sample, so as to reduce working efficiency；
4th, in sampling process, since there are particulate matters in sampling exhaust gas, the pipeline of gas sampling assembly is caused to occur to block up
Secondly the situation of plug, also leads to be mixed with particulate matter in collected sample, the sample for causing acquisition is invalid.
Invention content
The purpose of the present invention is being directed to existing technology, there are the above problems, it is proposed that a kind of simple in structure, testing result
Accurately, stability is good and improves the multifunctional gas sampling apparatus and its method of working efficiency.
The purpose of the present invention can be realized by following technical proposal：A kind of multifunctional gas sampling apparatus, including：
Second sampling bottle, the second sampling bottle interpolation setting tool have the second delivery pipe of third branch pipe and the 4th branch pipe, institute
It states and the connecting tube with the 7th branch pipe and the 8th branch pipe is also plugged in the second sampling bottle；
Second air inlet pipe is fixed on third branch pipe, and the 4th cut-off is equipped between second air inlet pipe and third branch pipe
Valve and third check valve, the described one end of second air inlet pipe far from the 4th shut-off valve are equipped with the centrifugation for removing particulate matter
Device, the bottom of the centrifuge are equipped with excretory duct, are equipped with bleed valve on the excretory duct, and the side of the centrifuge is equipped with the
One air inlet pipe, first air inlet pipe and centrifuge unicom, centrifuge and excretory duct unicom；
Second liquid bottle set on the side of the second sampling bottle, is inserted with the second fairlead in the second liquid bottle, and described second
6th shut-off valve and the 4th check valve between fairlead and the 4th branch pipe are installed, second is also inserted in the second liquid bottle
Pipe is introduced, the 5th shut-off valve is installed on the second introducing pipe；
Third sampling bottle, the third sampling bottle interpolation setting tool have the third delivery pipe of the 5th branch pipe and the 6th branch pipe, institute
It states and the second power pipe is also inserted in third sampling bottle, one end of second power pipe is equipped with the second vacuum pump, and the described 5th
Branch pipe is connected the 7th branch pipe, and is equipped with the 7th shut-off valve and the 5th check valve between the 7th branch pipe and the 5th branch pipe；
Third liquid bottle set on the side of third sampling bottle, is inserted with third fairlead, the third in the third liquid bottle
9th shut-off valve and the 6th check valve between fairlead and the 6th branch pipe are installed, is also inserted with and is used in the third liquid bottle
The third for connecting the 8th branch pipe introduces pipe, and the third is equipped with the 8th shut-off valve between introducing eight branch pipes of Guan Yu.
In a kind of above-mentioned multifunctional gas sampling apparatus, one end that the second introducing pipe injects the second liquid bottle is close
The bottleneck of second liquid bottle, second fairlead inject bottom of bottle of the one end close to the second liquid bottle of the second liquid bottle.
In a kind of above-mentioned multifunctional gas sampling apparatus, one end that the third introduces pipe reeve third liquid bottle is close
The bottleneck of third liquid bottle, the third fairlead inject bottom of bottle of the one end close to third liquid bottle of third liquid bottle.
In a kind of above-mentioned multifunctional gas sampling apparatus, one end that second delivery pipe injects the second sampling bottle is leaned on
The bottom of bottle of nearly second sampling bottle, the connecting tube inject bottleneck of the one end close to the second sampling bottle of the second sampling bottle.
In a kind of above-mentioned multifunctional gas sampling apparatus, one end that the third delivery pipe injects third sampling bottle is leaned on
The bottom of bottle of nearly third sampling bottle, second power pipe inject bottleneck of the one end close to third sampling bottle of third sampling bottle.
In a kind of above-mentioned multifunctional gas sampling apparatus, between the 4th shut-off valve and third check valve, the 6th
Between shut-off valve and the 4th check valve, between the 7th shut-off valve and the 5th check valve, between the 9th shut-off valve and the 6th check valve
It is equipped with second pipe.
A kind of method of multifunctional gas sampling apparatus, which is characterized in that including：
Step 1：The second vacuum pump and centrifuge are opened, ambient atmos are entered by the first air inlet pipe in centrifugal pump,
And the centrifugal action for passing through centrifugal pump detaches particulate matter with gas, since particulate matter is by gravity, will settle to excretory duct
Interior, the gas after separation cleans the second air inlet pipe, third branch pipe, the second delivery pipe, the second sampling bottle, connecting tube, the 5th successively
Branch pipe, third delivery pipe, third sampling bottle and the second power pipe；
Step 2：Close the 4th shut-off valve and the 7th shut-off valve, gas prevented to be passed through, open the 5th shut-off valve, the 6th section
Only valve, the 8th shut-off valve and the 9th shut-off valve make the absorbing liquid stored in the second liquid bottle pass through the second fairlead, the 4th branch pipe
And second delivery pipe be pumped in the second sampling bottle, meanwhile, make the absorbing liquid stored in third liquid bottle pass through third fairlead,
6th branch pipe and third delivery pipe are pumped in third sampling bottle；
Step 3：The 6th shut-off valve and the 9th shut-off valve are closed, absorbing liquid is prevented to aspirate, opens the 4th shut-off valve and the 7th
Gas is passed sequentially through the second air inlet pipe, third branch pipe, the second delivery pipe and is passed through in the second sampling bottle, makes second to adopt by shut-off valve
Absorbing liquid dissolved gas in sample bottle, and undissolved gas will be defeated by connecting tube, the 7th branch pipe, the 4th branch pipe, third
Pipe is sent to be passed through in third sampling bottle, makes the absorbing liquid dissolved gas in third sampling bottle；
Step 4：Seal the second sampling bottle and third sampling bottle, and submitted sample；
Step 5：Bleed valve is opened, the particulate matter in excretory duct is discharged.
Compared with prior art, the invention has the advantages that：
1st, in the present invention, particulate matter is avoided to block up pipeline the particulate separation in exhaust gas and exclusion by centrifuge
Plug, so that it is guaranteed that the quality of sample, and then ensure the accuracy of sample, in this way, people can be by the multifunctional gas sampling cartridge
It puts applied to the environment with dust gas.
2nd, the device cleans pipeline before sample is acquired, it is ensured that the quality of sample, so that it is guaranteed that the standard of inspection result
True property, secondly, which is also avoided that the situation of absorbing liquid suck-back.
3rd, pass through the setting of the first sampling bottle so that gas sampling assembly is applied to acquire the experiment of less exhaust gas；
Pass through the setting of the second sampling bottle and third sampling bottle so that gas quick sampling device is applied to acquire more exhaust gas
The places such as factory, so as to improve the working efficiency of people, in this way, people can be more according to actual demand, selection device, so as to
Meets the needs of people.
Description of the drawings
Fig. 1 is the structure diagram of a preferred embodiment of the present invention.
Specific embodiment
The following is specific embodiments of the present invention and with reference to attached drawing, technical scheme of the present invention is further described,
But the present invention is not limited to these embodiments.
As shown in Figure 1, a kind of multifunctional gas sampling apparatus of the present invention include the second sampling bottle 500, third branch pipe 511,
4th branch pipe 512, the second delivery pipe 510, the 7th branch pipe 521, the 8th branch pipe 522, connecting tube 520, the second air inlet pipe 600,
Four shut-off valves 620, third check valve 610, centrifuge 200, excretory duct 300, bleed valve 310, the first air inlet pipe 100, the second liquid
Bottle the 700, second fairlead 710, the 6th shut-off valve 711, the 4th check valve 712, second introduce pipe 720, the 5th shut-off valve 721,
Third sampling bottle 800, the 5th branch pipe 811, the 6th branch pipe 812, third delivery pipe 810, the second power pipe 820, the second vacuum pump
821st, the 7th shut-off valve 811a, the 5th check valve 811b, third liquid bottle 900, third fairlead 910, the 9th shut-off valve 911,
Six check valves 912, third introduce 920 and the 8th shut-off valve 921 of pipe.
Second sampling bottle, 500 interpolation setting tool has the second delivery pipe 510 of 511 and the 4th branch pipe 512 of third branch pipe, this second
The connecting tube 520 with the 7th branch pipe 521 and the 8th branch pipe 522 is also plugged in sampling bottle 500, the second air inlet pipe 600 is fixed on
Third branch pipe 511 is equipped with the 4th shut-off valve 620 and third check valve between second air inlet pipe 600 and third branch pipe 511
610, which is equipped with the centrifuge 200 for removing particulate matter, centrifugation
The bottom of device 200 is equipped with excretory duct 300, and bleed valve 310 is equipped on excretory duct 300, and the side of the centrifuge 200 is equipped with first
Air inlet pipe 100, the first air inlet pipe 100 and 200 unicom of centrifuge, centrifuge 200 and 300 unicom of excretory duct, when ambient atmos lead to
When crossing the first air inlet pipe 100 and entering in centrifuge 200, centrifuge 200 is by the centrifugal action of itself, by gas and particle
Object detaches, and the particulate matter after separation will be since the effect of gravity will be settled down in chip discharging tube, and simultaneously, the gas after separation will be logical
Enter in the second air inlet pipe 600, in this way, people can exclude the particulate matter in gas, avoid particulate matter by pipeline blockage, thus
Ensure the quality of sample, and then ensure the accuracy of sample；After sample collection, people need to only open bleed valve 310,
It is central axial perpendicular to ground due to excretory duct 300 so that particulate matter is discharged from chip discharging tube automatically.
Further, the second liquid bottle 700 is set on the side of the second sampling bottle 500, and being inserted with second in the second liquid bottle 700 draws
Outlet pipe 710 is equipped with the 6th shut-off valve 711 and the 4th check valve 712 between second fairlead 710 and the 4th branch pipe 512, the
The second introducing pipe 720 is also inserted in two liquid bottles 700, the 5th shut-off valve 721, third sampling are installed on the second introducing pipe 720
800 interpolation setting tools of bottle have the third delivery pipe 810 of the 5th branch pipe 811 and the 6th branch pipe 812, are also inserted in the third sampling bottle 800
Equipped with the second power pipe 820, one end of the second power pipe 820 is equipped with the second vacuum pump 821, and the 5th branch pipe 811 is connected the 7th
Pipe 521, and the 7th shut-off valve 811a and the 5th check valve 811b is installed between the 7th branch pipe 521 and the 5th branch pipe 811, the
Three liquid bottles 900 are set on the side of third sampling bottle 800, and third fairlead 910 is inserted in the third liquid bottle 900, and third is drawn
9th shut-off valve 911 and the 6th check valve 912 between 910 and the 6th branch pipe 812 of pipe are installed, also inserted in third liquid bottle 900
Equipped with introducing pipe 920 for connecting the third of the 8th branch pipe 522, third, which is introduced between pipe 920 and the 8th branch pipe 522, is equipped with the
Eight shut-off valves 921, during work, the second vacuum pump 821 and centrifuge 200 are simultaneously in opening, because of the second vacuum pump 821
It is connected third sampling bottle 800 by the second power pipe 820 so that the second vacuum pump 821 in the process of running, is always adopted third
Gas extraction in sample bottle 800, so as to reduce the air pressure in third sampling bottle 800, in this way, when the 4th shut-off valve 620 and the 7th
When shut-off valve 811a is opened, the second air inlet pipe 600 will be sucked, and pass sequentially through second by the extraneous exhaust gas after centrifuge 200
In sampling bottle 500, third sampling bottle 800, when the 5th shut-off valve 721 and the 6th shut-off valve 711 are opened simultaneously, the second liquid bottle
700 with 500 unicom of ambient atmosphere unicom, the second liquid bottle 700 and the second sampling bottle, third liquid bottle 900 and the second sampling bottle 500
It is logical so that the air pressure of the second liquid bottle 700 is more than the air pressure in third sampling bottle 800, when the air pressure in third sampling bottle 800 is less than
During air pressure in third liquid bottle 900, the absorbing liquid stored in third liquid bottle 900 passes through third fairlead 910, the 6th branch pipe 812
And third delivery pipe 810 is pumped to third sampling bottle 800, simultaneously, the gas in the second sampling bottle 500 passes through the 8th
Branch pipe 522 and third introduce pipe 920 and are supplemented in third liquid bottle 900, lower the air pressure in the second sampling bottle 500 so that the
The air pressure of two liquid bottles 700 is more than the air pressure in the second sampling bottle 500, in this way, the absorbing liquid stored in the second liquid bottle 700 passes through the
Two fairleads 710, the 4th branch pipe 512 and the second delivery pipe 510 are pumped to the second sampling bottle 500；Secondly, in the course of work
In, when the second vacuum pump 821 is damaged or powered off suddenly, by causing, the absorbing liquid in the second sampling bottle 500 is defeated by second
510 suck-back of pipe is sent to discharge absorbing liquid to the second liquid bottle 700 or by the second air inlet pipe 600, simultaneously, also leads to third
Absorbing liquid in sampling bottle 800 is by 810 suck-back of third delivery pipe to the second sampling bottle 500 or passing through third fairlead 910
In suck-back to third liquid bottle 900, and in the present invention, the setting of the 4th check valve 712 prevents absorbing liquid from entering the second extraction
In pipe 710, the setting of third check valve 610 prevents absorbing liquid from entering in the second air inlet pipe 600, so as to which absorbing liquid be avoided to fall
The situation of suction, the setting of the 5th check valve 811b are avoided in absorbing liquid suck-back to the second sampling bottle 500, the 6th check valve 912
Setting, avoids in absorbing liquid suck-back to third liquid bottle 900.
Second, which introduces pipe 720, injects one end of the second liquid bottle 700 close to the bottleneck of the second liquid bottle 700, the second fairlead 710
Bottom of bottle of the one end close to the second liquid bottle 700 of the second liquid bottle 700 is injected, third introduces one end that pipe 920 injects third liquid bottle 900
Close to the bottleneck of third liquid bottle 900, third fairlead 910 injects bottle of the one end close to third liquid bottle 900 of third liquid bottle 900
Bottom, the second delivery pipe 510 inject bottom of bottle of the one end close to the second sampling bottle 500 of the second sampling bottle 500, and connecting tube 520 injects
Close to the bottleneck of the second sampling bottle 500, third delivery pipe 810 injects the one of third sampling bottle 800 for one end of second sampling bottle 500
End is close to the bottom of bottle of third sampling bottle 800, and one end of the second power pipe 820 reeve third sampling bottle 800 is close to third sampling bottle
800 bottleneck.
Between 4th shut-off valve 620 and third check valve 610, between the 6th shut-off valve 711 and the 4th check valve 712,
The second pipe is equipped between seven shut-off valve 811a and the 5th check valve 811b, between the 9th shut-off valve 911 and the 6th check valve 912
Road 400.
A kind of method of multifunctional gas sampling apparatus, which is characterized in that including：
Step 1：The second vacuum pump 821 and centrifugal pump are opened, and opens the 4th shut-off valve 620, the 7th shut-off valve 811a,
The 5th shut-off valve 721, the 6th shut-off valve 711, the 8th shut-off valve 921 and the 9th shut-off valve 911 are closed, passes through the second vacuum pump
821 effect, by extraneous the first air inlet pipe of exhaust gas inspiration 100, because of the first air inlet pipe 100 and 200 unicom of centrifuge so that outer
Boundary's exhaust gas is entered directly into inside centrifuge 200, and hereafter, by the effect of centrifuge 200, the particulate separation in exhaust gas is gone out
Go, and detach after exhaust gas due to the effect by the second vacuum pump 821, exhaust gas will pass sequentially through the second air inlet pipe 600, third branch
Pipe 511, the second delivery pipe 510, the second sampling bottle 500, connecting tube 520, the 5th branch pipe 811, third delivery pipe 810, third are adopted
800 and second power pipe 820 of sample bottle, so as to which the second air inlet pipe 600, third branch pipe 511, the second delivery pipe 510, second be adopted
Sample bottle 500, connecting tube 520, the 5th branch pipe 811, third delivery pipe 810, in 800 and second power pipe 820 of third sampling bottle
Foreign gas discharge, after five minutes, just can reach cleaning the second air inlet pipe 600, third branch pipe 511, the second delivery pipe
510th, the second sampling bottle 500, connecting tube 520, the 5th branch pipe 811, third delivery pipe 810, third sampling bottle 800 and second are dynamic
The purpose of solenoid 820, and then ensure to collect the quality of sample；
Step 2：The 4th shut-off valve 620 and the 7th shut-off valve 811a are closed, exhaust gas is prevented to be passed through, opens the 5th shut-off valve
721st, the 6th shut-off valve 711, the 8th shut-off valve 921 and the 9th shut-off valve 911, since the second vacuum pump 821 at this time remains unchanged
In opening, the absorbing liquid stored in the second liquid bottle 700 is made to pass through the second fairlead 710, the 4th branch pipe 512 and second
Delivery pipe 510 is pumped in the second sampling bottle 500, meanwhile, the absorbing liquid stored in third liquid bottle 900 is made to pass through third fairlead
910th, the 6th branch pipe 812 and third delivery pipe 810 are pumped in third sampling bottle 800；
Step 3：According to fixed-contamination source sampling method for normalizing, the 6th shut-off valve 711 and the 9th shut-off valve 911, resistance are closed
Only absorbing liquid is aspirated, and the 4th shut-off valve 620 and the 7th shut-off valve 811a is opened, by the effect of the second vacuum pump 821, by exhaust gas
It passes sequentially through the second air inlet pipe 600, third branch pipe 511, the second delivery pipe 510 to be passed through in the second sampling bottle 500, makes the second sampling
Absorbing liquid dissolved gas in bottle 500, and undissolved gas will pass through connecting tube 520, the 7th branch pipe 521, the 4th branch pipe
512nd, third delivery pipe 810 is passed through in third sampling bottle 800, makes the absorbing liquid dissolved gas in third sampling bottle 800.
Step 4：Seal the second sampling bottle 500 and third sampling bottle 800, and submitted sample；
Step 5：Bleed valve 310 is opened, the particulate matter in excretory duct 300 is discharged, the feelings that particulate matter is avoided to accumulate
Condition.
To sum up, the multifunctional gas sampling apparatus is in the extraneous exhaust gas of acquisition, by the effect of centrifuge 200, by exhaust gas
In particulate separation and exclusion, avoid particulate matter by pipeline blockage, so that it is guaranteed that the quality of sample, and then ensure the standard of sample
True property, in this way, the multifunctional gas sampling apparatus can be applied to the environment with dust gas by people, specifically, people
Multifunctional gas sampling apparatus monitoring site before boiler dust removal equipment can be sampled；Secondly, which adopts
Sampling device also is able to the multigroup sample of Quick Acquisition so that the gas quick sampling device can apply to need to acquire more exhaust gas
The places such as factory, secondly, which, which also has, avoids suck-back situation, in this way, can be by the gas sampling assembly
It is applied to acquire the experiment of less exhaust gas, in addition, passing through the cleaning to pipeline before experiment, it is ensured that the quality of sample, really
Protect the accuracy of inspection result.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can do various modifications or additions to described specific embodiment or replace in a similar way
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (7)
1. a kind of multifunctional gas sampling apparatus, which is characterized in that including：
Second sampling bottle, the second sampling bottle interpolation setting tool have the second delivery pipe of third branch pipe and the 4th branch pipe, and described
The connecting tube with the 7th branch pipe and the 8th branch pipe is also plugged in two sampling bottles；
Second air inlet pipe is fixed on third branch pipe, be equipped between second air inlet pipe and third branch pipe the 4th shut-off valve with
And third check valve, the described one end of second air inlet pipe far from the 4th shut-off valve are equipped with the centrifuge for removing particulate matter, institute
The bottom for stating centrifuge is equipped with excretory duct, is equipped with bleed valve on the excretory duct, the side of the centrifuge be equipped with first into
Tracheae, first air inlet pipe and centrifuge unicom, centrifuge and excretory duct unicom；
Second liquid bottle set on the side of the second sampling bottle, is inserted with the second fairlead in the second liquid bottle, described second draws
6th shut-off valve and the 4th check valve between tetra- branch pipes of Guan Yu are installed, the second introducing is also inserted in the second liquid bottle
It manages, the 5th shut-off valve is installed on the second introducing pipe；
Third sampling bottle, the third sampling bottle interpolation setting tool have a third delivery pipe of the 5th branch pipe and the 6th branch pipe, and described
The second power pipe is also inserted in three sampling bottles, one end of second power pipe is equipped with the second vacuum pump, the 5th branch pipe
Be connected the 7th branch pipe, and is equipped with the 7th shut-off valve and the 5th check valve between the 7th branch pipe and the 5th branch pipe；
Third liquid bottle set on the side of third sampling bottle, is inserted with third fairlead in the third liquid bottle, the third is drawn
9th shut-off valve and the 6th check valve between six branch pipes of Guan Yu are installed, are also inserted with to connect in the third liquid bottle
The third of 8th branch pipe introduces pipe, and the third is equipped with the 8th shut-off valve between introducing eight branch pipes of Guan Yu.
2. a kind of multifunctional gas sampling apparatus according to claim 1, which is characterized in that described second, which introduces pipe, injects
One end of second liquid bottle is close to the bottleneck of the second liquid bottle, and one end of the second liquid bottle of the second fairlead reeve is close to the second liquid bottle
Bottom of bottle.
3. a kind of multifunctional gas sampling apparatus according to claim 1, which is characterized in that the third introduces pipe and injects
One end of third liquid bottle is close to the bottleneck of third liquid bottle, and one end of the third fairlead reeve third liquid bottle is close to third liquid bottle
Bottom of bottle.
4. a kind of multifunctional gas sampling apparatus according to claim 1, which is characterized in that second delivery pipe injects
Close to the bottom of bottle of the second sampling bottle, one end that the connecting tube injects the second sampling bottle is adopted close to second for one end of second sampling bottle
The bottleneck of sample bottle.
5. a kind of multifunctional gas sampling apparatus according to claim 1, which is characterized in that the third delivery pipe injects
Close to the bottom of bottle of third sampling bottle, second power pipe injects one end of third sampling bottle close to for one end of third sampling bottle
The bottleneck of three sampling bottles.
6. a kind of multifunctional gas sampling apparatus according to claim 1, which is characterized in that the 4th shut-off valve and
Between three check valves, between the 6th shut-off valve and the 4th check valve, between the 7th shut-off valve and the 5th check valve, the 9th shut-off valve
Second pipe is equipped between the 6th check valve.
A kind of 7. method of multifunctional gas sampling apparatus, which is characterized in that including：
Step 1：The second vacuum pump and centrifuge are opened, ambient atmos are entered by the first air inlet pipe in centrifugal pump, and are led to
The centrifugal action for crossing centrifugal pump detaches particulate matter with gas, since particulate matter is by gravity, will settle in excretory duct, divides
Gas from after clean successively the second air inlet pipe, third branch pipe, the second delivery pipe, the second sampling bottle, connecting tube, the 5th branch pipe,
Third delivery pipe, third sampling bottle and the second power pipe；
Step 2：The 4th shut-off valve and the 7th shut-off valve are closed, gas is prevented to be passed through, opens the 5th shut-off valve, the 6th cut-off
Valve, the 8th shut-off valve and the 9th shut-off valve, make the absorbing liquid stored in the second liquid bottle pass through the second fairlead, the 4th branch pipe with
And second delivery pipe be pumped in the second sampling bottle, meanwhile, the absorbing liquid stored in third liquid bottle is made to pass through third fairlead, the
Six branch pipes and third delivery pipe are pumped in third sampling bottle；
Step 3：The 6th shut-off valve and the 9th shut-off valve are closed, absorbing liquid is prevented to aspirate, opens the 4th shut-off valve and the 7th cut-off
Gas is passed sequentially through the second air inlet pipe, third branch pipe, the second delivery pipe and is passed through in the second sampling bottle, makes the second sampling bottle by valve
Interior absorbing liquid dissolved gas, and undissolved gas will pass through connecting tube, the 7th branch pipe, the 4th branch pipe, third delivery pipe
It is passed through in third sampling bottle, makes the absorbing liquid dissolved gas in third sampling bottle；
Step 4：Seal the second sampling bottle and third sampling bottle, and submitted sample；
Step 5：Bleed valve is opened, the particulate matter in excretory duct is discharged.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810065331.1A CN108168963B (en) | 2018-01-23 | 2018-01-23 | Multifunctional gas sampling device and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810065331.1A CN108168963B (en) | 2018-01-23 | 2018-01-23 | Multifunctional gas sampling device and method thereof |
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| CN108168963B CN108168963B (en) | 2023-11-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426751A (en) * | 2018-01-23 | 2018-08-21 | 宁波市环境监测中心 | A kind of gas sampling assembly and its method |
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|---|---|
| CN108168963B (en) | 2023-11-07 |
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