CN208313750U - Device for measuring impurity content in gas - Google Patents
Device for measuring impurity content in gas Download PDFInfo
- Publication number
- CN208313750U CN208313750U CN201820631506.6U CN201820631506U CN208313750U CN 208313750 U CN208313750 U CN 208313750U CN 201820631506 U CN201820631506 U CN 201820631506U CN 208313750 U CN208313750 U CN 208313750U
- Authority
- CN
- China
- Prior art keywords
- gas
- pipeline
- impurity
- measurement device
- impurity content
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000012535 impurity Substances 0.000 title claims abstract description 72
- 238000010521 absorption reaction Methods 0.000 claims abstract description 29
- 229920000742 Cotton Polymers 0.000 claims abstract description 20
- 230000001105 regulatory effect Effects 0.000 claims abstract description 12
- 238000005259 measurement Methods 0.000 claims description 37
- 238000005070 sampling Methods 0.000 abstract description 14
- 239000012528 membrane Substances 0.000 abstract description 8
- 239000003365 glass fiber Substances 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- 239000007789 gas Substances 0.000 description 68
- 239000011269 tar Substances 0.000 description 14
- 239000003034 coal gas Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
- 239000012716 precipitator Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012452 mother liquor Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000011282 acid tar Substances 0.000 description 1
- 239000005391 art glass Substances 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 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
- 238000000746 purification Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 230000004584 weight gain Effects 0.000 description 1
- 235000019786 weight gain Nutrition 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a device for measuring the content of impurities in gas, which comprises a water-vapor separation instrument, an impurity absorption tube and a gas flowmeter; the gas inlet of the water-vapor separation instrument is connected with the sampling port through a first pipeline, the gas outlet of the water-vapor separation instrument is connected with one end of the impurity absorption pipe through a second pipeline, the other end of the impurity absorption pipe is connected with the gas inlet of the gas flowmeter through a third pipeline, and the gas outlet of the gas flowmeter is connected with a fourth pipeline; the first pipeline is provided with a regulating valve, and the impurity absorption pipe is filled with absorbent cotton. The utility model provides a survey device of impurity content in gas can solve and adopt and filter the gaseous easy problem that breaks that takes place of impurity content glass fiber filter membrane.
Description
Technical field
The utility model relates to analysis and testing technology fields, and in particular to the measurement device of impurity content in a kind of gas.
Background technique
With the development of society, response energy-saving and emission-reduction, the requirement of circular economy, application of the coal gas in industry and civilian aspect
It is more and more important.During Gas Production, the tar fog in coke-stove gas more thoroughly is removed, it otherwise can be to coke-stove gas
The operation of purification and the recycling of coking by-product brings serious influence.For example, tar fog condenses in saturator, sulfuric acid can be made
Ammonium quality degenerates, and acid tar oil increases；Mother liquor spumes, and reduces mother liquor density, and goes out coal gas from saturator flowing full slot；It is burnt
Mist of oil, which enters, washes benzene column, can make washing oil quality control breakdown, influence crude benzol recovery；Tar fog equally also will affect the de- of desulfurizing tower
Sulphur efficiency.Therefore, the analysis of tar content is one of most important monitoring analysis project of coking by-product system in coal gas, especially
Particularly important to the accurately analysis of tar content in coal gas after electrical tar precipitator, tar and dust content are to measure coal gas in coal gas
The important indicator that quality and electrical tar precipitator remove tar in coal gas and dirt.
In the prior art, tar and dust content in filter membrane method measurement combustion gas or coal gas are generallyd use, i.e., by certain body
Long-pending combustion gas or coal gas calculates tar and dust by the filter membrane of known weight, according to the weight gain of filter membrane and sample volume
Content.However, this measuring method is using glass fiber filter, after glass fiber filter meets the moisture in coal gas, porosity
It will be greatly reduced, easily rupture.
Utility model content
To be solved in the utility model is using tar and dust content glass in filter membrane method measurement combustion gas or coal gas
The problem of fibrous filter membrane easily ruptures.
The utility model is achieved through the following technical solutions:
The measurement device of impurity content in a kind of gas, including steam separate apparatus, Impurity Absorption pipe and gas flow
Meter；
The air inlet of the steam separate apparatus connects sample tap, the outlet of the steam separate apparatus by first pipe
Mouth connects one end of the Impurity Absorption pipe by second pipe, and the other end of the Impurity Absorption pipe is connected by third pipeline
The gas outlet of the air inlet of the gas flowmeter, the gas flowmeter connects the 4th pipeline；
It is provided with regulating valve in the first pipe, is filled with absorbent cotton in the Impurity Absorption pipe.
Optionally, the regulating valve is manual ball valve.
Optionally, the steam separate apparatus is closed conical flask；
The position of first height of conical flask side is provided with air inlet, the position of second height of conical flask side
It is provided with gas outlet, first height is lower than second height.
Optionally, the Impurity Absorption pipe is U-tube.
Optionally, the outer diameter of the U-tube is 14 millimeters to 20 millimeters.
Optionally, the height of the U-tube is 120 millimeters to 160 millimeters.
Optionally, the center between two pipe of U-tube is away from being 25 millimeters to 30 millimeters.
Optionally, the first pipe, the second pipe, the third pipeline and the 4th pipeline are rubber
Pipe.
Optionally, the measurement device of impurity content further includes vacuum pump in the gas；
The gas outlet of the gas flowmeter connects the air inlet of the vacuum pump, the vacuum by the 4th pipeline
The gas outlet of pump connects the 5th pipeline.
Optionally, the 5th pipeline is rubber tube.
The utility model compared with prior art, has the following advantages and benefits:
The measurement device of impurity content in gas provided by the utility model separates sampling gas using steam separate apparatus
Steam in body, and the impurity in gas sampled is absorbed using the Impurity Absorption pipe filled with absorbent cotton, by measuring absorbent cotton
The quality for sampling front and back, can obtain the quality of impurity in gas sampled, can then be taken according to the volume of gas sampled
Impurity content in sample gas.Since the utility model uses the Impurity Absorption pipe filled with absorbent cotton instead of in the prior art
Glass fiber filter, thus efficiently solve and easily occur to break using impurity content glass fiber filter in filter membrane method measurement gas
The problem of splitting.Also, the assay device structures of impurity content are simple in gas provided by the utility model, facilitate measurement personnel into
Row operation, improves the determination efficiency of impurity content in gas, application is wider.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the utility model embodiment, constitutes the one of the application
Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the measurement device of impurity content in a kind of gas of embodiment of the utility model；
Fig. 2 is the structural schematic diagram of the measurement device of impurity content in the gas of the utility model another kind embodiment.
Label and corresponding parts title in attached drawing:
11- steam separate apparatus, 12- Impurity Absorption pipe, 13- gas flowmeter, 14- regulating valve, 15- vacuum pump, 21-
One pipeline, 22- second pipe, 23- third pipeline, the 4th pipeline of 24-, the 5th pipeline of 25-.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment 1
The present embodiment provides a kind of measurement device of impurity content in gas, the measurement device is for measuring positive pressure pipeline
The impurity content of middle gas.Fig. 1 is the structural schematic diagram of the measurement device of impurity content in the gas of the present embodiment, the gas
The measurement device of middle impurity content includes steam separate apparatus 11, Impurity Absorption pipe 12 and gas flowmeter 13.
Specifically, the air inlet of the steam separate apparatus 11 connects sample tap, the steam point by first pipe 21
Gas outlet from instrument 11 connects one end of the Impurity Absorption pipe 12 by second pipe 22, and the sample tap is provided with needs
The position being sampled.In the present embodiment, the steam separate apparatus 11 is closed conical flask.The conical flask side
The position of one height is provided with air inlet, and the position of second height of conical flask side is provided with gas outlet, and described first is high
Degree is lower than second height.Further, the bottom for being closely located to the conical flask of first height, second height
The top for being closely located to the conical flask, the occurrence of first height and second height can be according to the conical flask
Specific size be configured.Regulating valve 14 is provided in the first pipe 21, the regulating valve 14 is for adjusting sampling gas
The flow of body.In the present embodiment, the regulating valve 14 is manual ball valve.Certainly, in other embodiments, the regulating valve 14
It may be other kinds of valve, as long as it can ensure that adjusting the flow of gas sampled.
The other end of the Impurity Absorption pipe 12 connects the air inlet of the gas flowmeter 13 by third pipeline 23, and
And absorbent cotton 15 is filled in the Impurity Absorption pipe 12.In the present embodiment, the Impurity Absorption pipe 12 is U-tube, described
Absorbent cotton 15 is filled in the U-tube bottommost.Further, the outer diameter of the U-tube is 14 millimeters to 20 millimeters, described U-shaped
The height of pipe is 120 millimeters to 160 millimeters, and the center between two pipe of U-tube is away from being 25 millimeters to 30 millimeters.It needs to illustrate
, the shape of the Impurity Absorption pipe 12 is not limited to U-tube.It is that the absorbent cotton 15 is taking in order to prevent using U-tube
The Impurity Absorption pipe 12 is removed under the drive of sample gas, therefore, the Impurity Absorption pipe 12 or other shapes, as long as
Guarantee that the absorbent cotton 15 will not remove the Impurity Absorption pipe 12.
The gas outlet of the gas flowmeter 13 connects the 4th pipeline 24, and gas sampled passes through 24 row of the 4th pipeline
Out.The gas flowmeter 13 passes through volume correction, and identifies with correction parameter and term of validity, the desired amount of for measuring
Gas sampled.Further, the gas flowmeter 13 is equipped with thermometer and pressure gauge, convenient for the conversion of standard atmospheric pressure.
The first pipe 21, the second pipe 22, the third pipeline 23 and the 4th pipeline 24 can be
Rubber tube.
The working principle of the measurement device of impurity content in gas provided in this embodiment is illustrated below:
Before being sampled, the Impurity Absorption pipe 12 is dried, by the absorbent cotton 15, drying to constant weight, writes down and takes
The quality of the absorbent cotton 15 before sample；
Check that the measurement device is connect by the air-tightness of the measurement device after confirmation system is tight with sample tap；
The regulating valve 14 is opened, flow velocity is adjusted to preset value by gas mean temperature and atmospheric pressure when record samples,
Steam in gas sampled is separated by the steam separate apparatus 11, and the impurity in gas sampled is absorbed by the absorbent cotton 15；
After the gas for sampling predetermined volume, the regulating valve 14 is closed；
The measurement device is removed, the Impurity Absorption pipe 12 is placed in drier together with the absorbent cotton 15 and is done
It is dry, until the quality of the absorbent cotton 15 no longer changes；
The absorbent cotton 15 is taken out and is weighed, the quality of the absorbent cotton 15 after sampling is write down.
Impurity content in gas is calculated according to formula (1):
Wherein, a is impurity content in gas, m0For the quality for sampling the preceding absorbent cotton 15, m1For the degreasing after sampling
The quality of cotton 15, V0Volume for the gas sampled being scaled under standard state.
The volume of the gas sampled under standard state is calculated according to formula (2):
Wherein, V is the volume of gas sampled, and f is the correction coefficient of the gas flowmeter (13), big when P is sampling
Air pressure, gas sampled pressure when b is sampling, saturation vapor pressure when W is sampling, gas sampled mean temperature when T is sampling.
Measurement device provided in this embodiment is replaced existing using the Impurity Absorption pipe 12 filled with the absorbent cotton 15
There is the glass fiber filter in technology, efficiently solves easy using impurity content glass fiber filter in filter membrane method measurement gas
The problem of rupturing can be applied to the measurement of gaseous impurity content in various positive pressure pipelines.
Embodiment 2
The present embodiment provides the measurement device of impurity content in another gas, the measurement device is for measuring negative tube
The impurity content of gas in road, for example, tar and dust contain after can measuring electrical tar precipitator, in the coal gas before air blower
Amount.Fig. 2 is the structural schematic diagram of the measurement device of impurity content in the gas of the present embodiment, and compared with Example 1, difference exists
In: the measurement device of the present embodiment further includes vacuum pump 16, and the gas outlet of gas flowmeter 13 connects institute by the 4th pipeline 24
The air inlet of vacuum pump 16 is stated, the gas outlet of the vacuum pump 16 connects the 5th pipeline 25.
Further, the 5th pipeline 25 can be rubber tube, and the vacuum pump 16 can be anti-explosion vacuum pump, explosion-proof true
The speed of exhaust and limiting pressure of sky pump should meet parameter request.In measuring gas when impurity content, using the vacuum pump
16 extract gas sampled.
Measurement device provided in this embodiment efficiently solves the problem of sampling of negative-pressure pipeline, can be in negative pressure, sampling gas
Impurity content is measured under the conditions of moisture content is higher in body, structure is relatively easy, wants to impurity level in gas sampled
Ask relatively large, application is wider.
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model
Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (10)
1. the measurement device of impurity content in a kind of gas, which is characterized in that including steam separate apparatus (11), Impurity Absorption pipe
(12) and gas flowmeter (13)；
The air inlet of the steam separate apparatus (11) connects sample tap, the steam separate apparatus by first pipe (21)
(11) gas outlet connects one end of the Impurity Absorption pipe (12) by second pipe (22), the Impurity Absorption pipe (12)
The other end connects the air inlet of the gas flowmeter (13), the outlet of the gas flowmeter (13) by third pipeline (23)
Mouth the 4th pipeline (24) of connection；
It is provided with regulating valve (14) on the first pipe (21), is filled with absorbent cotton (15) in the Impurity Absorption pipe (12).
2. the measurement device of impurity content in gas according to claim 1, which is characterized in that the regulating valve (14) is
Manual ball valve.
3. the measurement device of impurity content in gas according to claim 1, which is characterized in that the steam separate apparatus
It (11) is closed conical flask；
The position of first height of conical flask side is provided with air inlet, the position setting of second height of conical flask side
There is gas outlet, first height is lower than second height.
4. the measurement device of impurity content in gas according to claim 1, which is characterized in that the Impurity Absorption pipe
It (12) is U-tube.
5. the measurement device of impurity content in gas according to claim 4, which is characterized in that the outer diameter of the U-tube
It is 14 millimeters to 20 millimeters.
6. the measurement device of impurity content in gas according to claim 4, which is characterized in that the height of the U-tube
It is 120 millimeters to 160 millimeters.
7. the measurement device of impurity content in gas according to claim 4, which is characterized in that two pipe of U-tube
Between center away from being 25 millimeters to 30 millimeters.
8. the measurement device of impurity content in gas according to claim 1, which is characterized in that the first pipe
(21), the second pipe (22), the third pipeline (23) and the 4th pipeline (24) are rubber tube.
9. the measurement device of impurity content in gas according to any one of claims 1 to 8, which is characterized in that further include
Vacuum pump (16)；
The gas outlet of the gas flowmeter (13) connects the air inlet of the vacuum pump (16) by the 4th pipeline (24),
The gas outlet of the vacuum pump (16) connects the 5th pipeline (25).
10. the measurement device of impurity content in gas according to claim 9, which is characterized in that the 5th pipeline
It (25) is rubber tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820631506.6U CN208313750U (en) | 2018-04-28 | 2018-04-28 | Device for measuring impurity content in gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820631506.6U CN208313750U (en) | 2018-04-28 | 2018-04-28 | Device for measuring impurity content in gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208313750U true CN208313750U (en) | 2019-01-01 |
Family
ID=64713789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820631506.6U Active CN208313750U (en) | 2018-04-28 | 2018-04-28 | Device for measuring impurity content in gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208313750U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110478979A (en) * | 2019-08-08 | 2019-11-22 | 武汉科技大学 | A kind of chemical analysis filter method |
-
2018
- 2018-04-28 CN CN201820631506.6U patent/CN208313750U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110478979A (en) * | 2019-08-08 | 2019-11-22 | 武汉科技大学 | A kind of chemical analysis filter method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102967491B (en) | Particle sampling device and utilize this device to carry out the method for particle detection | |
| CN101187619B (en) | Flue fog drip test method | |
| CN102778518B (en) | Method and device for measuring SOx in fire coal fume | |
| CN101551378B (en) | Method and equipment for detecting oxygen content in coal gas | |
| CN106706375B (en) | Drop sampling and measuring device and method in a kind of wet flue gas | |
| CN207248581U (en) | A kind of sampling system for being used to measure escape ammonia density total in flue gas | |
| CN203101128U (en) | Particulate matter sampling device | |
| CN110208160A (en) | A kind of measurement device and measuring method of flue gas total particulate | |
| CN208313750U (en) | Device for measuring impurity content in gas | |
| CN206058014U (en) | A kind of humiture self-checking device of emanometer radon gas sampling | |
| CN108692997A (en) | A kind of flue gas droplet content test system and its flue gas drop sampler | |
| CN207717477U (en) | Coal gas on-line analysis pretreatment system | |
| CN204202951U (en) | Online constant speed flyash sampler | |
| CN201434864Y (en) | Gas oxygen content analyzer | |
| CN101561375A (en) | High-humidity smoke sampling sulfur dioxide separating device | |
| CN201075066Y (en) | Fog droplet sampling system | |
| CN109000997A (en) | A kind of SO3The method of sampling and device of detection device | |
| CN108593196A (en) | A kind of anti-blocking device for pressure measurement suitable for wet flue gas pressure measurement | |
| CN102103045B (en) | Constant speed mechanical water sampling device and sampling method | |
| CN203772601U (en) | Unpowered sampling gun for measuring dust content and flow rate of coal gas in pipeline | |
| CN205262892U (en) | High accuracy flue gas moisture measuring device | |
| CN207396136U (en) | A kind of hot type sampling gun for preventing cool solidifying refluence | |
| CN210293994U (en) | Measuring device for total particulate matters in flue gas | |
| CN206281687U (en) | The sample collection device of SO3 in a kind of flue gas | |
| CN214334395U (en) | Portable sampling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |