CN108872480A - The device that gas is analyzed in a kind of pair of high-sulfur atmosphere - Google Patents
The device that gas is analyzed in a kind of pair of high-sulfur atmosphere Download PDFInfo
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- CN108872480A CN108872480A CN201810602049.2A CN201810602049A CN108872480A CN 108872480 A CN108872480 A CN 108872480A CN 201810602049 A CN201810602049 A CN 201810602049A CN 108872480 A CN108872480 A CN 108872480A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0011—Sample conditioning
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Abstract
The device that gas is analyzed in a kind of pair of high-sulfur atmosphere, wherein including sampling probe 1, gas-guide tube, freezer 2, detection probe 3, the sampling probe 1 is for extracting first gas sample；The gas-guide tube is connect with the sampling probe 1, for conveying the first gas sample；The freezer 2 is connect with the gas-guide tube, for separating the sulfur dioxide in the first gas sample, obtains the sulfur dioxide of second gas sample and liquid；The detection probe 3 is connect with the freezer 2, for receiving and detecting second gas sample.Whether intact described device closed state can easily be detected, the moisture in gas is avoided to have an impact testing result, realize real-time monitoring, avoid influence of the solid particle in gas to testing result, the sulfur-bearing ingredient in gas is avoided to cause to corrode to detection device, it is convenient to recycle the gas through detecting.
Description
Technical field
The present invention relates to the fields for the combined apparatus of separating particles from gas or steam, more particularly to by sulfur-bearing cigarette
Gas in gas carries out the device of desulfurization post analysis.
Background technique
In the industrial production, the sulfur content of some flue gases is very high.In very high (about 10% or so the acid concentration) gas of sulfur content
It detects each component content of flue gas in body atmosphere to be difficult, such as detection oxygen content.SO in flue gas2And O2、H2O carries out chemistry
Many corrosive substances, such as SO can be generated after reaction2+O2→SO3、SO2+H2O→H2SO3、SO3+H2O→H2SO4, these substances
Meeting corrosion testing device, leads to not accurately measure flue gas content.It is therefore desirable to before detecting each component content of flue gas, it is right
Flue gas carries out desulfurization process.
The method of the processing of flue gas desulfurization at present generally uses two methods：First is that physisorphtion, second is that chemical method.These
Although method can effectively carry out flue gas desulfurization, the disadvantage is that, a large amount of sulfur-bearing rubbish can be endlessly generated, not environmentally,
It needs subsequent to handle sulfur-bearing rubbish.In addition, desulfurizer volume required for the above method is all bigger.
Summary of the invention
Problem to be solved of the present invention be to provide it is a kind of can in high-sulfur atmosphere detection gas ingredient, and avoid containing
Sulphur ingredient causes to corrode to gas sensor, and the device of the lesser detection of volume ratio.
The present invention provides the device that gas is analyzed in a kind of pair of high-sulfur atmosphere, wherein including sampling probe 1, air guide
Pipe, freezer 2, detection probe 3, the sampling probe 1 is for extracting first gas sample；The gas-guide tube and the sampling are visited
First 1 connection, for conveying the first gas sample；The freezer 2 is connect with the gas-guide tube, for separating described first
Sulfur dioxide in gaseous sample obtains the sulfur dioxide of second gas sample and liquid；The detection probe 3 and the refrigeration
Library 2 connects, for receiving and detecting second gas sample.
A kind of embodiment according to the present invention, the freezer 2 include freezing chamber 4,4 temperature≤- 18 of freezing chamber
℃。
A kind of embodiment according to the present invention further includes liquid-collecting barrel 5, and the liquid-collecting barrel 5 is connect with the freezing chamber 4,
For receiving the sulfur dioxide of the liquid.
A kind of embodiment according to the present invention further includes circuit gas-guide tube (6), the circuit gas-guide tube (6) respectively with
The detection probe (3) and the liquid-collecting barrel (5) connection, for recycling the sulfur dioxide and the second gas sample, and
It is delivered in test environment.
A kind of embodiment according to the present invention, the freezer 2 further include refrigerating chamber 7, and the refrigerating chamber 7 is used for institute
State the water that the condensate moisture in first gas sample is liquid.
A kind of embodiment according to the present invention, 7 temperature of refrigerating chamber are 2-4 DEG C.
A kind of embodiment according to the present invention further includes the first dust-collecting bucket 8, first dust-collecting bucket 8 and the refrigeration
Room 7 connects, for receiving the condensed water from refrigerating chamber 7.
A kind of embodiment according to the present invention, including filter 9, the filter 9 are mounted on the gas-guide tube, position
Between the sampling probe 1 and the freezer 2, for filtering the dust in the gaseous sample.
A kind of embodiment according to the present invention, including first flowmeter 10, the first flowmeter 10 are mounted on described
On gas-guide tube, between the sampling probe 1 and the freezer 2, for detecting the first gas sample instants flow
Value.
A kind of embodiment according to the present invention, the first flowmeter 10 are mounted on the gas-guide tube, are located at described
Between filter 9 and the freezer 2.
A kind of embodiment according to the present invention, including second flowmeter 11, the second flowmeter 11 are mounted on described
On gas-guide tube, between the freezer 2 and the detection probe 3, for detecting the second gas sample instants flow
Value.
A kind of embodiment according to the present invention further includes aspiration pump 12, and the aspiration pump 12 is mounted on the gas-guide tube
On, for providing the power of conveying gas.
A kind of embodiment according to the present invention, the aspiration pump 12 be located at the sampling probe 1 and the freezer 2 it
Between.
A kind of embodiment according to the present invention, the aspiration pump 12 equipped with bypass and bypass valve, it is described bypass and
Bypass valve is used as the draft equalizing feature of the main pipeline of the pumping.
A kind of embodiment according to the present invention, further includes the second dust-collecting bucket 13, and second dust-collecting bucket 13 is connected to institute
It states on gas-guide tube, between the sampling probe 1 and the refrigerating chamber 7, for receiving the water in the first gas sample
Divide the water that natural cooling is condensed into the gas-guide tube.
A kind of embodiment according to the present invention, the gas-guide tube are turned under in the joining place with second dust-collecting bucket 13
Song, to make the condensed water in the gas-guide tube from inflow second dust-collecting bucket 13.
A kind of embodiment according to the present invention further includes triple valve 14, and the triple valve 14 is mounted on the gas-guide tube
On, between the sampling probe 1 and the freezer 2, mouth is examined for providing, detects the operating condition of described device.
A kind of embodiment according to the present invention, wherein including triple valve 14, filter 9, aspiration pump 12 and first-class
Meter 10, the triple valve 14, filter 9, aspiration pump 12, first flowmeter 10 are sequentially arranged on the gas-guide tube.
According to another aspect of the present invention, the method that gas is analyzed in a kind of pair of high-sulfur atmosphere, including extract gas
Body sample obtains first gas sample；The first gas sample is removed into sulfur dioxide by freezing, obtains second gas sample
The sulfur dioxide of product and liquid；The second gas sample is detected.
According to embodiment of the present invention, the freezing removes sulfur dioxide, and used temperature is≤- 18 DEG C.
According to embodiment of the present invention, the status gaseous sample and the sulfur dioxide are recycled and is sent
It returns in detection environment.
According to embodiment of the present invention, the first gas sample is wherein contained by cryogenic condensation removing
Moisture.
According to embodiment of the present invention, the temperature of the cryogenic condensation is 2-4 DEG C.
According to embodiment of the present invention, by the first gas sample by filtering, what removing wherein carried consolidates
Body particle.
According to embodiment of the present invention, the flow of the first gas sample and second gas sample is detected respectively
Value.
According to embodiment of the present invention, the first gas sample is wherein contained by natural condensation removing
Moisture.
According to embodiment of the present invention, the first gas sample is first passed through into natural condensation and removes moisture, again
Solid particle is removed by filtration, moisture removed by cryogenic condensation again, sulfur dioxide removed by freezing again, to obtain the
Two gaseous samples.
Using device of the present invention, during detecting high sulfur content gas componant, can easily detect described
Whether device closed state is intact, and the moisture that can be avoided in gas has an impact testing result, can be realized real-time monitoring,
It can be avoided influence of the solid particle in gas to testing result, the sulfur-bearing ingredient that can be avoided in gas makes detection device
At corrosion, the gas through detecting can be easily recycled.The device volume is small, and can be used in lesser working space makes
With.
Detailed description of the invention
Fig. 1 is the schematic diagram of device provided by the present invention；
Fig. 2 is the schematic diagram of freezing chamber；
Fig. 3 is the schematic diagram of liquid-collecting barrel；
Fig. 4 is the schematic diagram of circuit gas-guide tube；
Fig. 5 is the schematic diagram of refrigerating chamber；
Fig. 6 is the schematic diagram of the first dust-collecting bucket；
Fig. 7 is the schematic diagram of filter；
Fig. 8 is the schematic diagram of first flowmeter and second flowmeter；
Fig. 9 is the schematic diagram of aspiration pump；
Figure 10 is the schematic diagram of the second dust-collecting bucket；
Figure 11 is the schematic diagram of triple valve.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, and reference label refers to the group in the present invention
Part, technology, realizing under appropriate circumstances so as to advantages and features of the invention can be easier to be understood.Following description is pair
The materialization of the claims in the present invention, and other specific implementations not clearly stated relevant to claim also belong to power
The range that benefit requires.
Fig. 1 shows the schematic diagram of device provided by the present invention.
As shown in Figure 1, the device that gas is analyzed in a kind of pair of high-sulfur atmosphere, wherein including sampling probe 1, air guide
Pipe, freezer 2, detection probe 3, the sampling probe 1 is for extracting first gas sample；The gas-guide tube and the sampling are visited
First 1 connection, for conveying the first gas sample；The freezer 2 is connect with the gas-guide tube, for separating described first
Sulfur dioxide in gaseous sample obtains the sulfur dioxide of second gas sample and liquid；The detection probe 3 and the refrigeration
Library 2 connects, for receiving and detecting second gas sample.
The sampling probe 1, the gas-guide tube and the freezer 2 are directly contacted with the first gas sample,
So the material of the preferred corrosion resistance of its material.The sampling probe 1 is referred to from flue or other production equipments
Existing and invention in the future various smoke samplings probe 1 can be used in the middle device for extracting gaseous sample.
The gas-guide tube is the channel for conveying first gas sample, can install various equipment on the gas-guide tube,
To handle the first gas sample.The gas-guide tube inner passage needs a degree of anticorrosive, anti-height
The characteristics such as temperature will also keep certain rigidity, in the case that pressure is different inside and outside the gas-guide tube, still be able to ensure internal logical
Road it is unimpeded.
The freezer 2 is the device for referring to default certain temperature range, and there is condenser pipe in inside, so that gaseous sample is logical
It crosses, by heat transfer process, so that the gas passed through is condensed or freezes.
Because of SO2Boiling point be -10 DEG C, contain SO2SO of the first gas sample by freezer 2, in gas2
It is condensed into liquid, to be separated from the first gas sample, achievees the effect that gas sweetening, obtains second gas
Sample.
The detection probe 3 refers to the device for a certain in detection gas or Multiple components, such as detection oxygen content,
Carbon dioxide content etc., the model and type of the detection probe 3 are unrestricted.Second gas sample by desulfurization operations
Product are transported to the detection probe 3 and are detected, so as to avoid the detection probe 3 cure object corrosion.
Fig. 2 shows the schematic diagrames of freezing chamber of the present invention.
As shown in Fig. 2, the freezer 2 includes freezing chamber 4,4 temperature≤- 18 DEG C of freezing chamber.
The temperature setting of the freezing chamber 4 is at -10 DEG C, because the boiling point of sulfur dioxide at -10 DEG C, can make titanium dioxide
Sulphur liquefaction, but the sulfur dioxide liquefaction needs to discharge a large amount of heat of liquefaction, so the temperature of freezing should be adjusted lower than -10
DEG C, the range of temperature is gradually adjusted, the temperature setting of the freezing chamber 4, can be by the sulfur dioxide gas when -18 DEG C
Body more thoroughly liquefies.Institute can also be further adjusted according to the content ratio of each ingredient in the first gas sample
The temperature of freezing chamber 4 is stated, -18 DEG C can be made it below.
Fig. 3 shows the schematic diagram of liquid-collecting barrel.
As shown in Figure 1, the device further includes liquid-collecting barrel 5, the liquid-collecting barrel 5 is connect with the freezing chamber 4, for connecing
Receive the sulfur dioxide of the liquid.
The liquid-collecting barrel 5 is in room temperature environment, and there are two interface, one of water inlet and the freezing chambers 4 for tool
Interior cryovial connection, sulfur dioxide are liquefied in the cryovial, and the sulfur dioxide of liquid is flowed into along the water inlet
The liquid-collecting barrel 5.Another interface of liquid-collecting barrel 5 is provided with valve, and the circuit gas-guide tube 6 mentioned hereinafter connects.
Fig. 4 shows the schematic diagram of circuit gas-guide tube.
As shown in figure 4, described device further includes circuit gas-guide tube 6, the circuit gas-guide tube 6 respectively with the detection probe
3 and the liquid-collecting barrel 5 connect, for recycling the sulfur dioxide and the second gas sample.
The circuit gas-guide tube 6 is connect with the liquid-collecting barrel 5 with valvular interface, and the liquid-collecting barrel 5 is in room temperature
State, internal sulfur dioxide liquid heat absorption are gasified again, and the sulfur dioxide to gasify again, which can enter the circuit, leads
In tracheae 6.
The circuit gas-guide tube 6 also receives the detection probe 3 second gas sample detected, thus the titanium dioxide
After sulphur and the second gas sample re-mix, original system is transmitted back to by the circuit gas-guide tube 6 and is utilized or for other ways
Diameter.
Fig. 5 shows the schematic diagram of refrigerating chamber.
As shown in figure 5, the freezer 2 further includes refrigerating chamber 7, the refrigerating chamber 7 is used for the first gas sample
In condensate moisture be liquid water.
Contain moisture in the first gas sample, can make condensate moisture therein at the water of liquid under low-temperature condition,
As shown in figure 5,7 temperature of refrigerating chamber is 2-4 DEG C.When being in 2-4 DEG C, the effect for condensing water removal is best.
Fig. 6 shows the schematic diagram of the first dust-collecting bucket.
As shown in fig. 6, the device, further includes the first dust-collecting bucket 8, first dust-collecting bucket 8 connects with the refrigerating chamber 7
It connects, for receiving the condensed water from refrigerating chamber 7.
First dust-collecting bucket 8 is equipped with valve, and the condensation that first dust-collecting bucket 8 is collected can be conveyed to other devices
Water.
Fig. 7 shows the schematic diagram of filter.
As shown in fig. 7, the device includes filter 9, the filter 9 is mounted on the gas-guide tube, is located at institute
It states between sampling probe 1 and the freezer 2, for filtering the dust in the gaseous sample.
The filter 9 can use existing or invention in the future pneumatic filter 9, not limit the model of filter 9
System, can by selecting suitable filter 9, the dust in gaseous sample be blocked in it is outer, avoid dust to follow-up equipment and
Detection probe 3 damages.
Fig. 8 shows the schematic diagram of first flowmeter and second flowmeter.
As shown in figure 8, the device, wherein including first flowmeter 10, the first flowmeter 10 is mounted on described
On gas-guide tube, between the sampling probe 1 and the freezer 2, for detecting the first gas sample instants flow
Value.The first flowmeter 10 is mounted on the gas-guide tube, between the filter 9 and the freezer 2.
The device, including second flowmeter 11, the second flowmeter 11 are mounted on the gas-guide tube, are located at institute
It states between freezer 2 and the detection probe 3, for detecting the second gas sample instants flow value.
The first flowmeter 10 is placed between the filter 9 and the freezer 2, is in order to avoid first gas sample
Dust in product causes to damage to the first flowmeter 10.
The setting of the first flowmeter 10 and second flowmeter is to carry out flow control to the gas in described device
System obtains the result of quantization also for measurement gas componant.
Fig. 9 shows the schematic diagram of aspiration pump.
As shown in figure 9, further including aspiration pump 12, the aspiration pump 12 is mounted on the gas-guide tube, for providing conveying
The power of gas.The aspiration pump 12 is between the sampling probe 1 and the freezer 2.The aspiration pump 12 equipped with
Bypass and bypass valve, the bypass and bypass valve are used as the draft equalizing feature of the main pipeline of the pumping.
The aspiration pump 12 may be mounted at any part of the gas-guide tube, but it is preferable that being mounted on the filter 9
Later, the service life that can extend aspiration pump 12 avoids solid particle from damaging aspiration pump 12.
The device of 12 front of the aspiration pump and Partial Blocking may occur for pipeline or pipeline attenuates, will result in due to
12 draft of aspiration pump is excessive, causes very big pressure to equipment each along pipeline, with bypass valve, opens bypass, can alleviate
Pressure in whole device, while the concentration of subsequent measurement is not influenced.
Figure 10 shows the schematic diagram of the second dust-collecting bucket.
As shown in Figure 10, the device, further includes the second dust-collecting bucket 13, and second dust-collecting bucket is connected to the air guide
Guan Shang, between the sampling probe 1 and the refrigerating chamber 7, for receiving the moisture in the first gas sample in institute
State the water that natural cooling in gas-guide tube is condensed into.
Further, the gas-guide tube is bent downwardly in the joining place with second dust-collecting bucket 13, to make described lead
Condensed water in tracheae flows into second dust-collecting bucket 13 certainly.
When the first gas sample takes out from other production systems, under normal circumstances temperature with higher,
Containing moisture, flue dust and other gas componants, when gas conveys in gas-guide tube, meeting natural condensation in gas-guide tube
Cooling, moisture therein can be condensed into the water of liquid, be easy to cause the failure of each device in gas-guide tube, so needing that air guide is discharged
Pipe.Second dust-collecting bucket 13 is connect with the gas-guide tube, and is bent downwardly the gas-guide tube, the liquid can be made
Water preferably flows automatically in second dust-collecting bucket 13.
Figure 11 shows the schematic diagram of triple valve.
As shown in figure 11, the device further includes triple valve 14, and the triple valve 14 is mounted on the gas-guide tube,
Between the sampling probe 1 and the freezer 2, mouth is examined for providing, detects the operating condition of described device.
Further, the device includes triple valve 14, filter 9, aspiration pump 12 and first flowmeter 10, described
Triple valve 14, filter 9, aspiration pump 12, first flowmeter 10 are sequentially arranged on the gas-guide tube.
When the 14 horizontal connection of triple valve, the normal detection of the first gas sample can be carried out；The triple valve
When 14 vertical connection, the gas leakage detection or calibration of described device can be carried out.
The effect of filter 9 is for dedusting, and dust not can enter SO2Processing system.
The first gas sample first passes through gas-guide tube natural condensation, removes partial moisture, is collected into described second and catchments
Bucket 13.Again by triple valve 14, triple valve 14 is horizontal to be connected, and the first gas sample can be normally detected, and triple valve 14 is right
The closure of detectable described device front half section is closed in side, and right half section of the closing of detectable described device is closed on the left of triple valve 14
Property.Next, the first gas sample by filter 9, filters out solid particle, then by aspiration pump 12, then pass through the
Flow meters 10 enter the freezer 2, then the refrigerating chamber 7 of freezer 2 carries out condensation operation again, dewatered while right
The first gas sample carries out first order cooling, while next cooling into the progress of freezing chamber 4 second level, progress sulphur removal
Operation, is separated into the sulfur dioxide and second gas sample of liquid, second gas sample delivery to detection probe 3, for detecting,
Liquid sulfur dioxide enters liquid-collecting barrel 5.After sulfur dioxide gasification in liquid-collecting barrel 5, with the second gas sample through detecting
Mixing, enters circuit gas-guide tube 6, is delivered to production system or other systems by circuit gas-guide tube 6 with used for other purposes.
According to another aspect of the present invention, the method that gas is analyzed in a kind of pair of high-sulfur atmosphere, including extract gas
Body sample obtains first gas sample；The first gas sample is removed into sulfur dioxide by freezing, obtains second gas sample
The sulfur dioxide of product and liquid；The second gas sample is detected.
According to embodiment of the present invention, the freezing removes sulfur dioxide, and used temperature is≤- 18 DEG C.
According to embodiment of the present invention, the status gaseous sample and the sulfur dioxide are recycled.
According to embodiment of the present invention, the first gas sample is wherein contained by cryogenic condensation removing
Moisture.
According to embodiment of the present invention, the temperature of the cryogenic condensation is 2-4 DEG C.
According to embodiment of the present invention, by the first gas sample by filtering, what removing wherein carried consolidates
Body particle.
According to embodiment of the present invention, the flow of the first gas sample and second gas sample is detected respectively
Value.
According to embodiment of the present invention, the first gas sample is wherein contained by natural condensation removing
Moisture.
According to embodiment of the present invention, the first gas sample is first passed through into natural condensation and removes moisture, again
Solid particle is removed by filtration, moisture removed by cryogenic condensation again, sulfur dioxide removed by freezing again, to obtain the
Two gaseous samples.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and this
Field technical staff can be designed alternative embodiment without departing from the scope of the appended claims.In claim
In, any reference symbol between parentheses should not be configured to limitations on claims.
Claims (10)
1. the device that gas is analyzed in a kind of pair of high-sulfur atmosphere, wherein including sampling probe (1), gas-guide tube, freezer
(2), detection probe (3),
The sampling probe (1) is for extracting first gas sample；
The gas-guide tube is connect with the sampling probe (1), for conveying the first gas sample；
The freezer (2) connect with the gas-guide tube, for separating the sulfur dioxide in the first gas sample, obtains
The sulfur dioxide of two gaseous samples and liquid；
The detection probe (3) connect with the freezer (2), for receiving and detecting second gas sample.
2. the apparatus according to claim 1, wherein the freezer (2) includes freezing chamber (4), freezing chamber (4) temperature
≤ -18 DEG C of degree；
The device further includes liquid-collecting barrel (5), and the liquid-collecting barrel (5) connect with the freezing chamber (4), described for receiving
The sulfur dioxide of liquid.
3. device according to claim 3, wherein further include circuit gas-guide tube (6), the circuit gas-guide tube (6) is respectively
It is connect with the detection probe (3) and the liquid-collecting barrel (5), for recycling the sulfur dioxide and the second gas sample,
And it is delivered in test environment.
4. the apparatus according to claim 1, wherein the device, wherein it further include the first dust-collecting bucket (8), it is described cold
Zang Ku (2) further includes refrigerating chamber (7), and refrigerating chamber (7) temperature is 2-4 DEG C, and the refrigerating chamber (7) is used for first gas
Condensate moisture in body sample is the water of liquid, and first dust-collecting bucket (8) connect with the refrigerating chamber (7), is come for receiving
Condensed water from refrigerating chamber (7).
5. the apparatus according to claim 1, wherein including filter (9), the filter (9) is mounted on the air guide
Guan Shang, between the sampling probe (1) and the freezer (2), for filtering the dust in the gaseous sample.
6. the apparatus according to claim 1, wherein including first flowmeter (10) and including second flowmeter (11), institute
It states first flowmeter (10) to be mounted on the gas-guide tube, between the sampling probe (1) and the freezer (2), use
In detecting the first gas sample instants flow value, the second flowmeter (11) is mounted on the gas-guide tube, is located at institute
It states between freezer (2) and the detection probe (3), for detecting the second gas sample instants flow value.
7. the apparatus according to claim 1, wherein further include aspiration pump (12), the aspiration pump (12) is mounted on described
On gas-guide tube, between the sampling probe (1) and the freezer (2), for providing the power of conveying gas, the pumping
Air pump (12) is balanced equipped with the draft for the main pipeline that bypass and bypass valve, the bypass and bypass valve are used as the pumping
Component.
8. the apparatus according to claim 1, wherein further include the second dust-collecting bucket (13), second dust-collecting bucket (13) is even
It connects on the gas-guide tube, between the sampling probe (1) and the refrigerating chamber (7), for receiving the first gas
The moisture water that natural cooling is condensed into the gas-guide tube in sample, the gas-guide tube with second dust-collecting bucket (13)
Joining place be bent downwardly, to make condensed water in the gas-guide tube from flowing into second dust-collecting bucket (13).
9. the apparatus according to claim 1, wherein further include triple valve (14), the triple valve (14) is mounted on described
On gas-guide tube, between the sampling probe (1) and the freezer (2), mouth is examined for providing, detects described device
Operating condition.
10. the method that gas is analyzed in a kind of pair of high-sulfur atmosphere, wherein including
Gaseous sample is extracted, first gas sample is obtained；
First gas sample process≤- 18 DEG C are freezed and remove sulfur dioxide, obtain the two of second gas sample and liquid
Sulfur oxide；
The second gas sample is detected.
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| CN201810602049.2A CN108872480A (en) | 2018-06-12 | 2018-06-12 | The device that gas is analyzed in a kind of pair of high-sulfur atmosphere |
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| CN201810602049.2A CN108872480A (en) | 2018-06-12 | 2018-06-12 | The device that gas is analyzed in a kind of pair of high-sulfur atmosphere |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111804446A (en) * | 2020-07-15 | 2020-10-23 | 重庆科技学院 | Dust removal and precipitation device of shale gas detector |
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