CN206378335U - The sampling system of volatile organic matter in a kind of waste gas - Google Patents
The sampling system of volatile organic matter in a kind of waste gas Download PDFInfo
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- CN206378335U CN206378335U CN201621449523.5U CN201621449523U CN206378335U CN 206378335 U CN206378335 U CN 206378335U CN 201621449523 U CN201621449523 U CN 201621449523U CN 206378335 U CN206378335 U CN 206378335U
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- steel pipe
- gas treatment
- treatment case
- sampling steel
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- 238000005070 sampling Methods 0.000 title claims abstract description 78
- 239000005416 organic matter Substances 0.000 title claims abstract description 22
- 239000002912 waste gas Substances 0.000 title claims abstract description 20
- 239000007789 gas Substances 0.000 claims abstract description 44
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 42
- 239000010959 steel Substances 0.000 claims abstract description 42
- 238000001179 sorption measurement Methods 0.000 claims abstract description 39
- 238000009833 condensation Methods 0.000 claims abstract description 21
- 230000005494 condensation Effects 0.000 claims abstract description 21
- 238000001035 drying Methods 0.000 claims abstract description 17
- 239000003463 adsorbent Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000001914 filtration Methods 0.000 claims abstract description 11
- 239000011490 mineral wool Substances 0.000 claims abstract description 10
- 239000002274 desiccant Substances 0.000 claims abstract description 6
- 239000000835 fiber Substances 0.000 claims abstract description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 48
- 239000004408 titanium dioxide Substances 0.000 claims description 24
- 239000011941 photocatalyst Substances 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 7
- 239000000565 sealant Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 241000790917 Dioxys <bee> Species 0.000 claims 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- HGWOWDFNMKCVLG-UHFFFAOYSA-N [O--].[O--].[Ti+4].[Ti+4] Chemical compound [O--].[O--].[Ti+4].[Ti+4] HGWOWDFNMKCVLG-UHFFFAOYSA-N 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 11
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000000593 degrading effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000012491 analyte Substances 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 238000003965 capillary gas chromatography Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 239000012458 free base Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- -1 hydroxyl free radical Chemical class 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000000275 quality assurance Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a kind of sampling system of volatile organic matter in waste gas, including sample conduit and mineral wool filtering head, the threaded one end that the sample conduit stretches into discharge duct is connected with mineral wool filtering head, it is characterised in that also include：Condensation pipe, the upper end side of the condensation pipe is provided with delivery port, and the lower end side of the condensation pipe is provided with water inlet, and the inside of the condensation pipe is provided with spiral type pipe, and the upper end of the spiral type pipe is connected with sample conduit；Drying box, the lower end of the spiral type pipe is connected with drying box, and fiber desiccant is provided with the drying box；Adsorption sampling steel pipe, the inside of the adsorption sampling steel pipe is filled with adsorbent, and the both sides of the adsorbent are equipped with sieve plate.The utility model can remove water vapour, and tail gas can be handled, and volatile organic matter is gathered using adsorption sampling steel pipe, be easy to storage to transport, then detected again.
Description
Technical field
The utility model is related to a kind of sampling system of volatile organic matter in environmental monitoring technology field, more particularly to waste gas
System.
Background technology
It is domestic that in volatile organic matter gas, the method for sampling used in emission monitoring is in a organized way at present《Waste gas in fixed source
Specifications of Monitoring Technology》HJ/T397-2007 is (i.e. former《Particle analyte detection and gaseous contaminant sampling side in Concentration in Fixed Pollutants Source
Method》GB/t16157-1993 Dewar bottle and the injection needle tube method of sampling in), although being mentioned in national standard can use airbag to adopt
Sample, but without the apparatus and method of clear and definite airbag sampling used.The sampling of airbag Sampling techniques and Dewar bottle and injection needle tube is also
It is the presence of larger difference, and the sampling of fluoroplastics airbag is a maturation abroad and the volatility be used widely has
Machine thing discharges Sampling techniques in a organized way.Both method of samplings belong to direct sampling method with injection needle tube for Dewar bottle sampling, mark
Requirement in standard to sampling and Quality Assurance/Quality Control requirement all provide more detailed, including sampling container is hunted leak, clearly
Wash, sampling system leak detection, sampling pipe sampling request etc..The sampling container that two methods are used can be cleaned repeatedly every time
Use, also make its monitoring cost relatively low.It is also very good that both Sampling techniques popularize basis in the environmental monitoring system of China.
Although Dewar bottle or injection needle tube can carry out cleaning Reusability, cleaning operation program is added, if inner wall surface does not have
Clean up, absorption of the meeting because of last time sample in sampling container causes blank to pollute retaining, and influences the matter of monitoring result
Amount；Moreover, injection needle tube and the Dewar bottle relative airbag in air-tightness are poor, Dewar bottle must also use vacuum meter before sampling
Its air-tightness is checked, is operated comparatively laborious.In addition, the Dewar bottle of injection needle tube and glass material belongs to frangible material, not portable
Band and use, all needed when transporting and sampling careful.Chinese patent application Authorization Notice No.：CN204758354U, discloses " a kind of
The sampling system of volatile organic matter in waste gas ", it is to collect gas using airbag of sampling, and is unfavorable in storage transport, waste gas
Often contain substantial amounts of water vapour, the device such as the condensation of this patent shortage, dry because of high temperature, and lack vent gas treatment and set
It is standby.
Utility model content
The utility model is intended at least solve one of technical problem in correlation technique to a certain extent.Therefore, this reality
It is the sampling system for proposing volatile organic matter in a kind of waste gas with a new purpose, water vapour can be removed, and
Tail gas can be handled, volatile organic matter is gathered using adsorption sampling steel pipe, be easy to storage to transport, then examined again
Survey.
According to the sampling system of volatile organic matter in a kind of waste gas of the utility model embodiment, including sample conduit and
Mineral wool filtering head, the threaded one end that the sample conduit stretches into discharge duct is connected with mineral wool filtering head, it is characterised in that
Also include：Condensation pipe, the upper end side of the condensation pipe is provided with delivery port, the lower end side of the condensation pipe be provided with into
The mouth of a river, the inside of the condensation pipe is provided with spiral type pipe, and the upper end of the spiral type pipe is connected with sample conduit；Dry
Case, the lower end of the spiral type pipe is connected with drying box, and fiber desiccant is provided with the drying box；Adsorption sampling steel pipe,
The inside of the adsorption sampling steel pipe is filled with adsorbent, and the both sides of the adsorbent are equipped with sieve plate, the adsorption sampling steel
The two ends of pipe are all provided with plug in flexible interior plug, the elasticity and are equipped with through hole and are connected with the inside of adsorption sampling steel pipe, described
The inner side of plug is offseted by spring with sieve plate in elastic, and the two ends of the adsorption sampling steel pipe are respectively connected with screwed flange, institute
Drying box is stated to be fixedly connected with one end of adsorption sampling steel pipe by pipeline A；Vavuum pump, the other end of the adsorption sampling steel pipe
It is fixedly connected by pipeline B with vavuum pump；Flowmeter, the pipeline B is provided with flowmeter close to one end of adsorption sampling steel pipe；
Flow control valve, the pipeline B is provided with flow control valve close to one end of vavuum pump；Vent gas treatment case, the vavuum pump leads to
One end that discharge pipe is crossed with vent gas treatment case is fixedly connected, and the other end of the vent gas treatment case is fixedly connected with blast pipe, institute
The top intermediate region for stating vent gas treatment case is provided with manhole；Transparent column type lamp set, the bottom of the transparent column type lamp set
End seal is closed, top end opening, and circular ring type projection, the transparent circle are outward extended with the edge of opening of the transparent column type lamp set
The external diameter of column type lamp set and the size of manhole match, and the transparent column type lamp set is inserted at tail gas by manhole
It is stuck in inside reason case and by circular ring type projection the top of manhole, the raised junction with vent gas treatment case of the circular ring type
By sealant sealing, ultraviolet lamp is provided with the transparent column type lamp set；Photocatalyst of titanium dioxide screen pack, described two
Titanium dioxide photocatalyst screen pack includes mounting seat and titanium dioxide filter net body, and the bottom of the mounting seat is provided with cross section
The neck of rectangle, the intermediate region of the neck is fixedly connected with titanium dioxide filter net body, the top of the vent gas treatment case
End both sides are equipped with rectangular through-hole, and the top of the rectangular through-hole is surrounded by fixture block projection, four raised sides of the fixture block
Wall is fixedly connected with spring seal strip, and the mounting seat passes through rectangle with the raised clamping of fixture block, titanium dioxide filter net body
Through hole inserts the inside of vent gas treatment case, and this body phase is extruded the elastic sealing strip with titanium dioxide filter net.
In some embodiments of the present utility model, the vavuum pump and ultraviolet lamp electrically connect with external power supply respectively
Connect.
In other embodiments of the present utility model, the two ends of the pipeline A and pipeline B respectively with adsorption sampling steel pipe
Flange is connected.
In other embodiments of the present utility model, the condensation pipe and spiral type pipe use stainless steel
Into.
In the utility model, cold water enters from the water inlet of condensation pipe, is then flowed out from delivery port, and waste gas passes through screw type
Water vapour can liquefy during pipeline, then be absorbed by the fiber desiccant in drying box, and the volatile organic matter in waste gas can be inhaled
Adsorbent in attached sampling steel pipe absorbs, and can fill appropriate adsorbent as needed in adsorption sampling steel pipe, flowmeter can
To monitor the flow of gas, flow control valve can control the size of gas flow, and the absorption property of adsorption sampling steel pipe is limited,
All volatile organic matters can not possibly be absorbed, now the photocatalyst of titanium dioxide screen pack in vent gas treatment case is ultraviolet
" hole " effect can be produced under the irradiation of line lamp, active oxygen and hydroxyl free radical of the generation with extremely strong oxidation are produced
Strong catalytic degradation function, it can be with the organic matter in oxidized tail gas, the toxic and harmful gas in the effective degrading tail gas of energy,
Avoid causing environmental pollution, ultraviolet lamp is arranged in transparent column type lamp set and can freely dismantled, and changes very simple and convenient, two
The top clamping of titanium dioxide photocatalyst screen pack and vent gas treatment case, is conveniently replaceable, cleans.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and constitutes a part for specification, with this practicality
New embodiment is used to explain the utility model together, does not constitute to limitation of the present utility model.In the accompanying drawings：
Fig. 1 be the utility model proposes a kind of waste gas in volatile organic matter sampling system structural representation.
Fig. 2 be the utility model proposes adsorption sampling steel pipe structural representation.
Fig. 3 be the utility model proposes photocatalyst of titanium dioxide screen pack and vent gas treatment case interface arrangment signal
Figure.
Fig. 4 be the utility model proposes photocatalyst of titanium dioxide screen pack structural representation.
Fig. 5 be the utility model proposes the raised structural representation of fixture block.
Fig. 6 be the utility model proposes transparent column type lamp set structural representation.
In figure：1 discharge duct, 2 sample conduits, 3 mineral wool filtering heads, 4 condensation pipes, 5 water inlets, 6 delivery ports, 7 spiral shells
Rotation type pipeline, 8 drying boxes, 9 pipeline A, 10 adsorption sampling steel pipes, 11 pipeline B, 12 flowmeters, 13 flow control valves, 14 vacuum
Pump, 15 discharge pipes, 16 vent gas treatment casees, 17 transparent column type lamp sets, 18 ultraviolet lamps, 19 photocatalyst of titanium dioxide screen packs,
20 blast pipes, 21 mounting seats, 22 titanium dioxide filter net bodies, 23 fixture blocks projection, 24 elastic sealing strips, 25 adsorbents, 26 sieves
Plug, 28 springs, 29 screwed flanges, 30 circular ring types are raised in plate, 27 elasticity.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.
The example of the embodiment is shown in the drawings, wherein same or similar label represents identical or class from beginning to end
As element or the element with same or like function.The embodiments described below with reference to the accompanying drawings are exemplary, purport
For explaining the utility model, and it is not intended that to limitation of the present utility model.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable
The orientation or position relationship of the instruction such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on orientation shown in the drawings
Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than indicate or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model
System.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be two
The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
The sampling system of volatile organic matter in reference picture 1-6, a kind of waste gas, including sample conduit 2 and mineral wool filtering
First 3, the threaded one end that sample conduit 2 stretches into discharge duct 1 is connected with mineral wool filtering head 3, it is characterised in that also include：It is cold
Solidifying pipeline 4, the upper end side of condensation pipe 4 is provided with delivery port 6, and the lower end side of condensation pipe 4 is provided with water inlet 5, condenser pipe
The inside in road 4 is provided with spiral type pipe 7, and the upper end of spiral type pipe 7 is connected with sample conduit 2；Drying box 8, spiral type pipe 7
Lower end connected with drying box 8, fiber desiccant is provided with drying box 8；Adsorption sampling steel pipe 10, adsorption sampling steel pipe 10 it is interior
Portion is filled with adsorbent 25, and the both sides of adsorbent 25 are equipped with sieve plate 26, and the two ends of adsorption sampling steel pipe 10 are all provided with flexible
Plug 27 is equipped with through hole and connected with the inside of adsorption sampling steel pipe 10 in plug 27, elasticity, and the inner side of plug 27 passes through in elasticity
Spring 28 offsets with sieve plate 26, and the two ends of adsorption sampling steel pipe 10 are respectively connected with screwed flange 29, and drying box 8 passes through pipeline A 9
It is fixedly connected with one end of adsorption sampling steel pipe 10；Vavuum pump 14, the other end of adsorption sampling steel pipe 10 by pipeline B 11 with
Vavuum pump 14 is fixedly connected；Flowmeter 12, pipeline B 11 is provided with flowmeter 12 close to one end of adsorption sampling steel pipe 10；Flow
Regulating valve 13, pipeline B 11 is provided with flow control valve 13 close to one end of vavuum pump 14；Vent gas treatment case 16, vavuum pump 14 leads to
One end that discharge pipe 15 is crossed with vent gas treatment case 16 is fixedly connected, and the other end of vent gas treatment case 16 is fixedly connected with blast pipe
20, the top intermediate region of vent gas treatment case 16 is provided with manhole；Transparent column type lamp set 17, transparent column type lamp set 17
Circular ring type projection 30, transparent column are outward extended with bottom end closure, top end opening, the edge of opening of transparent column type lamp set 17
The external diameter of type lamp set 17 and the size of manhole match, and transparent column type lamp set 17 inserts vent gas treatment by manhole
The inside of case 16 and the top that manhole is stuck in by circular ring type projection 30, circular ring type projection 30 and the connection of vent gas treatment case 16
Place is by sealant sealing, and transparent column type lamp, which is covered in 17, is provided with ultraviolet lamp 18；Photocatalyst of titanium dioxide screen pack 19, two
Titanium dioxide photocatalyst screen pack 19 includes mounting seat 21 and titanium dioxide filter net body 22, and the bottom of mounting seat 21 is provided with transversal
Face is the neck of rectangle, and the intermediate region of neck is fixedly connected with titanium dioxide filter net body 22, the top of vent gas treatment case 16
End both sides are equipped with rectangular through-hole, and the top of rectangular through-hole is surrounded by fixture block projection 23, and four side inwalls of fixture block projection 23 are equal
Spring seal strip 24 is fixedly connected with, mounting seat 21 passes through rectangle with raised 23 clampings of fixture block, titanium dioxide filter net body 22
The inside of through hole insertion vent gas treatment case 16, elastic sealing strip 24 is mutually extruded with titanium dioxide filter net body 22.
Vavuum pump 14 and ultraviolet lamp 18 are electrically connected with external power supply respectively, pipeline A 9 and pipeline B 11 respectively with suction
The two end flanges connection of attached sampling steel pipe 10, condensation pipe 4 and spiral type pipe 7 are made of stainless steel, and adsorbent 25 is
Silica gel, activated carbon, carbon molecular sieve, 2,6- diphenyl-p- styryl oxide, poly- (2,6- diphenyl-p- styryl oxygen
Compound), polystyrene, crosslinked polystyrene, the one or more in divinyl benzene polymers, photocatalyst of titanium dioxide filtering
Net 19 is purchased from Guangzhou Shang Cheng Filterses Co., Ltd, and the model ZWDTY-810J of ultraviolet lamp 18, flowmeter 12 is selected
Nanjing is along reaching the integral display type vortex-shedding meter of measuring and controlling equipment Co., Ltd and by 3.6V lithium battery power supplies, vavuum pump 14
Model hat reputation HL-40V.
During work, the waste gas in discharge duct 1 enters spiral type pipe 7 by mineral wool filtering head 3 and sample conduit 2
Interior, cold water enters from the water inlet 5 of condensation pipe 4, is then flowed out from delivery port 6, water vapour meeting when waste gas passes through spiral type pipe 7
Liquefaction, moisture content is absorbed by the fiber desiccant in drying box 8, and the volatile organic matter in waste gas can be adsorbed in sampling steel pipe 10
Adsorbent 25 absorb, appropriate adsorbent 25 can be filled in adsorption sampling steel pipe 10 as needed, flowmeter 12 can be supervised
The flow of gas is surveyed, flow control valve 13 can control the size of gas flow, and the absorption property of adsorption sampling steel pipe 10 is limited,
All volatile organic matters can not possibly be absorbed, now the photocatalyst of titanium dioxide screen pack 19 in vent gas treatment case 16 exists
" hole " effect can be produced under the irradiation of ultraviolet lamp 18, active oxygen and hydrogen-oxygen of the generation with extremely strong oxidation are free
Base, produces strong catalytic degradation function, its can with the organic matter in oxidized tail gas, can be in effective degrading tail gas poisonous have
Evil gas, it is to avoid cause environmental pollution, can remove the detection that adsorption sampling steel pipe 10 directly carries out volatile organic matter, also may be used
So that the screwed flange 29 at the two ends of adsorption sampling steel pipe 10 is substituted for into threaded closure caps, adsorption sampling steel pipe 10 is stored into transport and extremely referred to
Determine place to be detected, those skilled in the art can be readily apparent that, the measure of volatile organic matter is using heat in exhaust emission
Desorption/capillary gas chromatography/MS.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature
Can be that the first and second features are directly contacted, or the first and second features pass through intermediary mediate contact.Moreover, first is special
Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term
State and be not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be
Combined in an appropriate manner in any one or more embodiments or example.
It is described above, only the utility model preferably embodiment, but protection domain of the present utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model is disclosed, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (4)
1. the sampling system of volatile organic matter in a kind of waste gas, including sample conduit and mineral wool filtering head, the sampling are led
The threaded one end that pipe stretches into discharge duct is connected with mineral wool filtering head, it is characterised in that also include：
Condensation pipe, the upper end side of the condensation pipe is provided with delivery port, and the lower end side of the condensation pipe is provided with water inlet
Mouthful, the inside of the condensation pipe is provided with spiral type pipe, and the upper end of the spiral type pipe is connected with sample conduit；
Drying box, the lower end of the spiral type pipe is connected with drying box, and fiber desiccant is provided with the drying box；
Adsorption sampling steel pipe, the inside of the adsorption sampling steel pipe is filled with adsorbent, and the both sides of the adsorbent are equipped with sieve
Plate, the two ends of the adsorption sampling steel pipe be all provided with plug in flexible interior plug, the elasticity be equipped with through hole and with adsorption sampling steel
The inner side of plug is offseted by spring with sieve plate in the inside connection of pipe, the elasticity, and the two ends of the adsorption sampling steel pipe are equal
Screwed flange is connected with, the drying box is fixedly connected by pipeline A with one end of adsorption sampling steel pipe；
Vavuum pump, the other end of the adsorption sampling steel pipe is fixedly connected by pipeline B with vavuum pump；
Flowmeter, the pipeline B is provided with flowmeter close to one end of adsorption sampling steel pipe；
Flow control valve, the pipeline B is provided with flow control valve close to one end of vavuum pump；
Vent gas treatment case, the vavuum pump is fixedly connected by discharge pipe with one end of vent gas treatment case, the vent gas treatment case
The other end be fixedly connected with blast pipe, the top intermediate region of the vent gas treatment case is provided with manhole；
Transparent column type lamp set, bottom end closure, the top end opening of the transparent column type lamp set, the transparent column type lamp set
The size phase of circular ring type is raised, and the transparent column type lamp covers external diameter and manhole is outward extended with edge of opening
Match somebody with somebody, the transparent column type lamp set is inserted inside vent gas treatment case by manhole and is stuck in by circular ring type projection circular logical
The junction of the top in hole, the circular ring type projection and vent gas treatment case is by sealant sealing, the transparent column type lamp set
Inside it is provided with ultraviolet lamp；
Photocatalyst of titanium dioxide screen pack, the photocatalyst of titanium dioxide screen pack includes mounting seat and titanium dioxide filter net sheet
Body, the bottom of the mounting seat is provided with the neck that cross section is rectangle, and the intermediate region of the neck is fixedly connected with titanium dioxide
Titanium screen pack body, the top both sides of the vent gas treatment case are equipped with rectangular through-hole, and the top surrounding of the rectangular through-hole is set
There is fixture block raised, four raised side inwalls of the fixture block are fixedly connected with spring seal strip, the mounting seat is raised with fixture block
Clamping, titanium dioxide filter net body inserts the inside of vent gas treatment case, the elastic sealing strip and dioxy by rectangular through-hole
Change this body phase extruding of titanium screen pack.
2. the sampling system of volatile organic matter in waste gas according to claim 1, it is characterised in that：The vavuum pump and
Ultraviolet lamp is electrically connected with external power supply respectively.
3. the sampling system of volatile organic matter in waste gas according to claim 1, it is characterised in that：The pipeline A and
Pipeline B is connected with two end flanges of adsorption sampling steel pipe respectively.
4. the sampling system of volatile organic matter in waste gas according to claim 1, it is characterised in that：The condensation pipe
It is made with spiral type pipe of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621449523.5U CN206378335U (en) | 2016-12-27 | 2016-12-27 | The sampling system of volatile organic matter in a kind of waste gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621449523.5U CN206378335U (en) | 2016-12-27 | 2016-12-27 | The sampling system of volatile organic matter in a kind of waste gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206378335U true CN206378335U (en) | 2017-08-04 |
Family
ID=59409109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621449523.5U Expired - Fee Related CN206378335U (en) | 2016-12-27 | 2016-12-27 | The sampling system of volatile organic matter in a kind of waste gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206378335U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111175093A (en) * | 2020-01-22 | 2020-05-19 | 暨南大学 | Portable air dioxin sampling device and method based on membrane adsorption |
| CN112798365A (en) * | 2021-01-04 | 2021-05-14 | 深圳市能源环保有限公司 | Novel waste incineration high temperature flue gas sampling gun |
-
2016
- 2016-12-27 CN CN201621449523.5U patent/CN206378335U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111175093A (en) * | 2020-01-22 | 2020-05-19 | 暨南大学 | Portable air dioxin sampling device and method based on membrane adsorption |
| CN112798365A (en) * | 2021-01-04 | 2021-05-14 | 深圳市能源环保有限公司 | Novel waste incineration high temperature flue gas sampling gun |
| CN112798365B (en) * | 2021-01-04 | 2024-05-03 | 深圳市能源环保有限公司 | Novel garbage incineration high-temperature flue gas sampling gun |
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