CN208334333U - The measurement device of chlorine in a kind of gas - Google Patents
The measurement device of chlorine in a kind of gas Download PDFInfo
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- CN208334333U CN208334333U CN201821144923.4U CN201821144923U CN208334333U CN 208334333 U CN208334333 U CN 208334333U CN 201821144923 U CN201821144923 U CN 201821144923U CN 208334333 U CN208334333 U CN 208334333U
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- absorption bottle
- air inlet
- inlet pipe
- chlorine
- absorption
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Abstract
The utility model provides a kind of measurement device of chlorine in gas, including being sequentially connected logical air inlet pipe, absorption bottle and escape pipe；The absorption bottle is provided with absorption bottle air inlet pipe and absorption bottle escape pipe, and the absorption bottle air inlet pipe is connected by flowmeter with the air inlet pipe；The absorption bottle escape pipe is connected with escape pipe；Chlorine absorption liquid is provided in the absorption bottle；The gas outlet of the absorption bottle air inlet pipe is located in chlorine absorption liquid；The gas outlet of the absorption bottle air inlet pipe is the aperture positioned at air inlet bottom of the tube and/or side.Compared with prior art, under test gas containing chlorine after flowmeter is measured, is carried out chlorine absorption by absorption bottle, and then measure wherein available chlorine content by the utility model, so as to accurately calculate the content of chlorine in corresponding under test gas, achieve the purpose that assess electrolytic tank electrolysis efficiency.
Description
Technical field
The utility model belongs to a kind of measurement device of chlorine in production of sodium chlorate technical field more particularly to gas.
Background technique
The content of chlorine is assessment chlorate electrolyser coating with the presence or absence of asking in production of sodium chlorate byproduct in process hydrogen
One of important parameter of topic (EKA is using X-ray measurement electrode way layer Thickness Method — that is, removing, weighing, analytic approach before this).As can
Chlorine content in Accurate Determining hydrogen can then calculate electrolytic efficiency, assessment cell performance accordingly；If electrolytic efficiency is lower than 92%
Then belong to abnormal, it is high, at high cost to will cause power consumption；It, can be to electrolyte pH, dense in measurement chlorine and then after obtaining electrolytic efficiency
Degree adjusts, and realizes the opposite low content of side reaction chlorine, oxygen, electrolytic cell operating condition is made to be in optimum state, safe and stable
Production.
Utility model content
In view of this, the technical problem to be solved by the present invention is to provide a kind of measurement devices of chlorine in gas.
The utility model provides a kind of measurement device of chlorine in gas, including being sequentially connected logical air inlet pipe, absorbing
Bottle and escape pipe；The absorption bottle is provided with absorption bottle air inlet pipe and absorption bottle escape pipe, and the absorption bottle air inlet pipe passes through stream
Meter is connected with the air inlet pipe；The absorption bottle escape pipe is connected with escape pipe；Chlorine is provided in the absorption bottle
Absorbing liquid；The gas outlet of the absorption bottle air inlet pipe is located in hydrogen chlorine absorption liquid；The gas outlet of the absorption bottle air inlet pipe is
Aperture positioned at air inlet bottom of the tube and/or side.
Preferably, the absorption bottle air inlet pipe is provided with gas buffer structure in one end of flowmeter.
Preferably, the absorption bottle air inlet pipe is provided with after entering absorption bottle expands structure.
Preferably, the absorption bottle air inlet pipe is provided with structure with a tight waist along gas flow after expanding structure.
Preferably, the bottom and/or side of the structure with a tight waist are provided with aperture；The aperture is absorption bottle air inlet pipe
Gas outlet.
Preferably, the number of the absorption bottle is 2~6.
Preferably, the absorption bottle escape pipe of each absorption bottle and the absorption bottle air inlet pipe of next absorption bottle pass through rubber tube
It is connected.
Preferably, the aperture of the rubber tube is 6~9mm.
Preferably, the escape pipe is provided with flowmeter.
It preferably, further include cooling device, the gas outlet of the cooling device is connected with the air inlet of the air inlet pipe.
The utility model provides a kind of measurement device of chlorine in gas, including being sequentially connected logical air inlet pipe, absorbing
Bottle and escape pipe；The absorption bottle is provided with absorption bottle air inlet pipe and absorption bottle escape pipe, and the absorption bottle air inlet pipe passes through stream
Meter is connected with the air inlet pipe；The absorption bottle escape pipe is connected with escape pipe；Chlorine is provided in the absorption bottle
Absorbing liquid；The gas outlet of the absorption bottle air inlet pipe is located in chlorine absorption liquid；The gas outlet of the absorption bottle air inlet pipe is position
Aperture in air inlet bottom of the tube and/or side.Compared with prior art, the utility model is by the under test gas containing chlorine through flowing
After meter is measured, chlorine absorption is carried out by absorption bottle, and then measure wherein available chlorine content, so as to accurately calculate
The content of chlorine in corresponding under test gas, achievees the purpose that assess electrolytic tank electrolysis efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of chlorine measurement device in gas used in the utility model embodiment 1.
Specific embodiment
Below in conjunction with the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear, complete
Site preparation description, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, fall within the protection scope of the utility model.
The utility model provides a kind of measurement device of chlorine in gas, including being sequentially connected logical air inlet pipe, absorbing
Bottle and escape pipe；The absorption bottle is provided with absorption bottle air inlet pipe and absorption bottle escape pipe, and the absorption bottle air inlet pipe passes through stream
Meter is connected with the air inlet pipe；The absorption bottle escape pipe is connected with escape pipe；Chlorine is provided in the absorption bottle
Absorbing liquid；The gas outlet of the absorption bottle air inlet pipe is located in chlorine absorption liquid；The gas outlet of the absorption bottle air inlet pipe is position
Aperture in air inlet bottom of the tube and/or side.
Wherein, it is commercially available that the utility model, which is not particularly limited the source of all raw materials,.
According to the utility model, the measurement device is the measurement device of chlorine in gas, specifically preferably chlorate
The measurement device of chlorine in electrolytic cell by-product hydrogen.
It is also preferable to include cooling device, the air inlets of the gas outlet of the cooling device and the air inlet pipe for the measurement device
Mouth is connected；The cooling device is cooling device well known to those skilled in the art, has no special limitation, this is practical
It is preferably water scrubber in novel.
The air inlet pipe is preferably polyfluortetraethylene pipe, is rounded cylindrical structure, chemical stability with higher.
The air inlet pipe is connected by flowmeter with the absorption bottle air inlet pipe of the absorption bottle；The flow is calculated as ability
Flowmeter known to field technique personnel has no special limitation, and preferably LZB-3WBF type glass turns in the utility model
Subflow meter；Preferably by one, widened conical flask and one move up and down the flowmeter with fluid flow size from bottom to top
Stainless steel float composition, flowmeter pedestal have regulating valve, gas measurable range is preferably 0.03~0.3L/min.
The absorption bottle is absorption bottle well known to those skilled in the art, has no special limitation, preferably Meng Shi
Gas washing bottle, more preferably has frosted mouth vertical type tubular bottle body, and the absorption bottle air inlet pipe passes through with absorption bottle escape pipe
Hollow plug is fixed on absorption bottle；The absorption bottle air inlet pipe is preferably provided with gas buffer structure in flowmeter one end；It is described
Gas buffer structure is gas buffer structure well known to those skilled in the art, has no special limitation, the utility model
In preferably ball-type buffer structure；The absorption bottle air inlet pipe is preferably provided with after entering absorption bottle expands structure；Along gas
Flow direction is preferably provided with structure with a tight waist after expanding setting；The bottom and/or side of the structure with a tight waist are provided with aperture；It is described
Aperture is the gas outlet of absorption bottle air inlet pipe；The quantity of the aperture is preferably 3~10, and more preferably 5~8；Gas outlet is set
Being set to aperture can make under test gas be separated into tiny bubble, increase the contact area of under test gas and absorbing liquid.
Chlorine absorption liquid is provided in the absorption bottle；The chlorine absorption liquid is chlorine well known to those skilled in the art
Absorbing liquid has no special limitation, is preferably sodium hydroxide solution in the utility model；The matter of the sodium hydroxide solution
Measuring concentration is preferably 25%~50%, and more preferably 30%~40%, it is further preferably 32%.The outlet of the absorption bottle air inlet pipe
Mouth is located in chlorine absorption liquid；The air inlet of the absorption bottle escape pipe is located on chlorine absorption liquid liquid level.
To guarantee that the chlorine under test gas is fully absorbed, the number of the absorption bottle is preferably 2~6, more preferably
It is 3~5；It is further preferably 4；Each absorption bottle includes absorption bottle air inlet pipe and absorption bottle escape pipe, same as above,
Details are not described herein；In the present invention, the absorption bottle escape pipe of each absorption bottle preferably with next absorption bottle
Absorption bottle air inlet pipe is connected by rubber tube；The aperture of the rubber tube is preferably 6~9mm.
It is also preferable to include holder devices for the measurement device, to fixed absorption bottle；The holder device is this field skill
Holder device known to art personnel has no special limitation, hoop pedestal is preferably included in the utility model, more preferably
Stainless steel hoop pedestal；The number of the hoop pedestal is identical as the number of absorption bottle, and absorption bottle, which is fixed, for blocks；
The hoop internal diameter of the hoop pedestal is preferably 80~100mm.
The absorption bottle escape pipe of the last one absorption bottle is connected with escape pipe；The escape pipe is preferably polytetrafluoroethylene (PTFE)
Pipe is rounded cylindrical structure, chemical stability with higher.The escape pipe is preferably provided with flowmeter, to monitor
The volume of residual gas；The flowmeter is same as above, and details are not described herein.
Under test gas enters in absorption bottle after cooling down from air inlet pipe by flowmeter, and the chlorine under test gas is in chlorine
It is absorbed in aspiration liquid, to guarantee that chlorine can be completely absorbed, multiple absorption bottles can be used, while trying using starch potassium iodide
To degree of absorption into judgement, two flowmeters of air inlet pipe and escape pipe, which can be shown, to be calculated by be measured in absorption bottle for paper and solution
Gas gross.After chlorine absorption, the chlorine absorption liquid in absorption bottle is collected, by taking chlorine absorption liquid is sodium hydroxide solution as an example,
By available chlorine content in following reaction detection absorbing liquid, and the gas gross passed through in conjunction with flowmeter, Extrapolation gas to be measured
The percentage composition of chlorine in body.
Chlorine absorption principle in hydrogen: Cl2+ 2NaOH=NaCl+NaClO+H2O
Effective chlorine testing principle in Alkali absorption liquid:
2KI+NaClO+H2SO4=K2SO4+NaCl+I2+H2O
I2+2Na2S2O3=2NaI+Na2S4O6
Under test gas containing chlorine after flowmeter is measured, is carried out chlorine suction by absorption bottle by the utility model
It receives, and then measures wherein available chlorine content, so as to accurately calculate the content of chlorine in corresponding under test gas, reach assessment electricity
Solve the purpose of slot electrolytic efficiency；And the utility model only passes through basic Inorganic―analytical Chemistry knowledge and is detected and calculated,
Package unit is easy, safe and easy to operate feasible.
In order to further illustrate the utility model, with reference to embodiments to a kind of gas provided by the utility model
The measurement device of middle chlorine is described in detail.
Reagent used in following embodiment is commercially available.
Embodiment
Measurement device shown in FIG. 1 is provided.
Air inlet pipe and escape pipe are polyfluortetraethylene pipe, are rounded cylindrical structure, have preferable chemical stability.
Flow is calculated as LZB-3WBF type glass rotameter.
Absorption bottle is Meng Shi gas washing bottle, and one has frosted mouth vertical type tubular bottle body, and bottleneck has a hollow plug,
Hollow is held beyond the Great Wall, two curved branch pipes (ball is to work as a buffer) for having bead is welded with, wherein after a curved branch pipe enters bottle body
It is welded with one section and expands the closed raw glass pipe in bottom, enter bottom of bottle, as absorption bottle air inlet pipe along the center straight cutting of bottle, in the tail of pipe
End has one to girdle the waist, and 5 apertures are arranged at bottom, is so that gas is separated into tiny bubble by aperture to the gas of entrance, increase gas
With the contact area of absorbing liquid；Another branch pipe i.e. absorption bottle escape pipe are the outlet of gas on bottle top.
The by-product hydrogen of sodium chlorate electrolysis bath passes through spinner from air inlet pipe after water scrubber cooling processing
Meter continues through four Meng Shi gas washing bottles that 32% sodium hydroxide solution is housed, and four Meng Shi gas washing bottles pass through rubber tube phase
Connection, and four Meng Shi gas washing bottles are fixed on stainless steel stent, are fixed and are blocked using hoop pedestal, and Meng Shi gas is passed through
Body wash bottle carries out chlorine continuous absorption, and hydrogen is finally emptied after absorption.
Chlorine absorbs in lye in hydrogen, and four absorption bottles, which guarantee that chlorine can be completely absorbed, (can use starch
Potassium iodide starch paper and solution are determined).The hydrogen for calculating and passing through four Meng Shi wash bottles can be shown by importing and exporting two spinner flowmeters
Gas total amount.The Alkali absorption liquid in four wash bottles is collected after chlorine absorption, and passes through effective chlorine in following reaction detection absorbing liquid
Content, and the gas gross passed through in conjunction with flowmeter, the percentage composition of chlorine in Extrapolation hydrogen.
Chlorine absorption principle in hydrogen:
Cl2+ 2NaOH=NaCl+NaClO+H2O
Effective chlorine testing principle in Alkali absorption liquid:
2KI+NaClO+H2SO4=K2SO4+NaCl+I2+H2O
I2+2Na2S2O3=2NaI+Na2S4O6。
Claims (10)
1. the measurement device of chlorine in a kind of gas, which is characterized in that including being sequentially connected logical air inlet pipe, absorption bottle and outlet
Pipe；The absorption bottle is provided with absorption bottle air inlet pipe and absorption bottle escape pipe, and the absorption bottle air inlet pipe passes through flowmeter and institute
Air inlet pipe is stated to be connected；The absorption bottle escape pipe is connected with escape pipe；Chlorine absorption liquid is provided in the absorption bottle；Institute
The gas outlet for stating absorption bottle air inlet pipe is located in chlorine absorption liquid；The gas outlet of the absorption bottle air inlet pipe is positioned at air inlet pipe bottom
The aperture in portion and/or side.
2. measurement device according to claim 1, which is characterized in that the absorption bottle air inlet pipe is set in one end of flowmeter
It is equipped with gas buffer structure.
3. measurement device according to claim 1, which is characterized in that the absorption bottle air inlet pipe is set after entering absorption bottle
It is equipped with and expands structure.
4. measurement device according to claim 3, which is characterized in that the absorption bottle air inlet pipe is being expanded along gas flow
Structure with a tight waist is provided with after structure.
5. measurement device according to claim 4, which is characterized in that the bottom of the structure with a tight waist and/or side setting
There is aperture；The aperture is the gas outlet of absorption bottle air inlet pipe.
6. measurement device according to claim 1, which is characterized in that the number of the absorption bottle is 2~6.
7. measurement device according to claim 6, which is characterized in that the absorption bottle escape pipe of each absorption bottle with it is next
The absorption bottle air inlet pipe of absorption bottle is connected by rubber tube.
8. measurement device according to claim 7, which is characterized in that the aperture of the rubber tube is 6~9mm.
9. measurement device according to claim 1, which is characterized in that the escape pipe is provided with flowmeter.
10. measurement device according to claim 1, which is characterized in that further include cooling device, the cooling device goes out
Port is connected with the air inlet of the air inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821144923.4U CN208334333U (en) | 2018-07-19 | 2018-07-19 | The measurement device of chlorine in a kind of gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821144923.4U CN208334333U (en) | 2018-07-19 | 2018-07-19 | The measurement device of chlorine in a kind of gas |
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| CN208334333U true CN208334333U (en) | 2019-01-04 |
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| CN201821144923.4U Active CN208334333U (en) | 2018-07-19 | 2018-07-19 | The measurement device of chlorine in a kind of gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487986A (en) * | 2019-08-05 | 2019-11-22 | 青岛大学 | Study the evaluating apparatus and evaluation method of Volatile Organohalides release factor in sabkha |
-
2018
- 2018-07-19 CN CN201821144923.4U patent/CN208334333U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487986A (en) * | 2019-08-05 | 2019-11-22 | 青岛大学 | Study the evaluating apparatus and evaluation method of Volatile Organohalides release factor in sabkha |
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