CN203587411U - Gas drying device applicable to microcoulometry total chlorine analyzer - Google Patents
Gas drying device applicable to microcoulometry total chlorine analyzer Download PDFInfo
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- CN203587411U CN203587411U CN201320713110.3U CN201320713110U CN203587411U CN 203587411 U CN203587411 U CN 203587411U CN 201320713110 U CN201320713110 U CN 201320713110U CN 203587411 U CN203587411 U CN 203587411U
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- magnesium perchlorate
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Abstract
The utility model discloses a gas drying device applicable to a microcoulometry total chlorine analyzer. The gas drying device comprises a concentrated sulfuric acid drying cylinder and a magnesium perchlorate drying tube which are connected in series, wherein the concentrated sulfuric acid drying cylinder comprises a cylinder body, a gas inlet tube and a gas outlet; the cylinder is filled with concentrated sulfuric acid; the magnesium perchlorate drying tube comprises a tube body, a leading-in tube, a leading-out tube and a tube plug; the tube body is filled with magnesium perchlorate; the lower part of the cylinder body is cylindrical; the upper part of the cylinder body is spherical. The gas drying device applicable to the microcoulometry total chlorine analyzer is used for detecting microcoulometry total chlorine content in petrochemical products; water in the sample gas can be effectively removed by drying the sample gas for two times, so that the detection sensitivity, the accuracy and the repeatability for detecting the total chlorine can be obviously improved; and meanwhile, effective detection of chlorine samples can be realized.
Description
Technical field
The utility model relates to the total chlorine analyzers gas drier of a kind of microcoulomb, belongs to Petrochemical Engineering Analysis instrument field, is mainly used in the micro-coulometric determination of chloride content in petrochemicals.
Background technology
In the production and use procedure of petrochemical industry product, the existence of chlorine element be cause that production equipment burn into catalyst poisoning, feed chemicals and synthesis of chemicals qualification rate are low, engine scuffing, toxic emission exceed standard etc. principal element.At present, the chloride content of measuring in petroleum chemicals both at home and abroad mainly adopts microcoulomb method, the method must be first makes sample generation oxidizing fire in being heated to the quartz combustion tube of 800 ~ 1100 ℃, the hydrogen chloride that is gaseous state by chlorine cycling of elements, then brings galvanochemistry coulomb electrolytic cell into by carrier gas and detects.In sample gas, flow out quartz ampoule and arrive in the process of electrolytic cell, due to the condensation of moisture, part gaseous hydrogen chloride can be dissolved in the moisture of condensation, and it is detected to arrive electrolytic cell, thereby cause, testing result is on the low side, testing result poor repeatability.What is more, for chlorinity, be less than the low chlorine sample of 2mg/L, because chlorinity in sample own is lower, the hydrogen chloride that burning generates is considerably less, due to the condensation of hydrogen chloride, cannot arrive a coulomb electrolytic cell, thereby directly cause cannot carrying out of detection, thereby limited the detection of low chlorine content sample.In prior art, general employing heated in winding heating tape, electrolytic cell porch, with the moisture of pre-anti-burning generation, after the condensation of porch, enters electrolytic cell, and impact detects.But the mode of this heating has two shortcomings, the one, when heating the temperature of heating tape can reach 90 ℃, during operation, be easy to because of carelessness iron operating personnel, the 2nd, sometimes still there is the situation of partial condensation, cause peak shape hangover while detecting, affect accuracy in detection.
Utility model content
For effectively solving the problem existing when above-mentioned chloride content detects, the utility model provides a kind of microcoulomb total chlorine analyzers gas drier, can effectively remove the moisture that sample combustion reaction generates, significantly improve sensitivity and the accuracy of total chlorine measurement, and safe and reliable.
The technical solution of the utility model is: the total chlorine analyzers gas drier of microcoulomb, its improvements are that this device is mainly comprised of the dry cylinder of the concentrated sulphuric acid and magnesium perchlorate drying tube two parts, the dry cylinder of the described concentrated sulphuric acid consists of cylinder body, draft tube and gas outlet, the concentrated sulphuric acid is housed in cylinder body, and the endpiece of draft tube stretches in the concentrated sulphuric acid; Described magnesium perchlorate drying tube is comprised of body, ingress pipe, delivery line and pipe close, and magnesium perchlorate is housed in body, and the endpiece of ingress pipe stretches in magnesium perchlorate; The gas outlet of the entrance point of above-mentioned ingress pipe and the dry cylinder of concentrated acid acid is tightly connected.
Further scheme is: the inferior part of the cylinder block of the dry cylinder of the described concentrated sulphuric acid is cylindrical, and top is spherical; The endpiece of described draft tube is from cylinder bottom 1～2cm, and gas outlet is located at the top of cylinder body; Described magnesium perchlorate drying tube is cylindrical glass tube, and pipe close is rubber plug, and ingress pipe and delivery line are fixed on pipe close, and the endpiece of ingress pipe is from the pipe end 1～2cm, and the introducing port of delivery line is positioned at magnesium perchlorate top; The dry cylinder of the described concentrated sulphuric acid and magnesium perchlorate drying tube are fixed on base jointly; Described concentrated sulphuric acid weight percent concentration is 96%～98%, and magnesium perchlorate is the blocks of solid of processing through super-dry.
The beneficial effects of the utility model are:
1, the tandem compound that has designed the dry cylinder of the concentrated sulphuric acid and magnesium perchlorate drying tube, both are fixed in base seat hole.Sample gas is carried out primary drying through the dry cylinder of the concentrated sulphuric acid, and then the magnesium perchlorate drying tube of flowing through carries out redrying, is conducive to the fully dry of sample gas.
2, be dried cylinder bottom portion and adopt cylindrical design, the concentrated sulphuric acid is contained in stylolitic part, is conducive to save the concentrated sulphuric acid, uses a small amount of concentrated sulphuric acid, can reach good drying effect.Dry cylinder top adopts spherical designs simultaneously, is conducive to gas and with flow velocity outflow more stably, is dried cylinder after buffering.
3, concentrated sulphuric acid density is 96%～98%(wt), magnesium perchlorate is the blocks of solid of processing for dry 2 hours through 110 ℃, drying effect is good.
4, the entrance point of the dry cylinder gas outlet of the concentrated sulphuric acid and magnesium perchlorate drying tube ingress pipe is connected by ground structure between the two, and drying tube pipe close employing rubber plug, and impermeability is good, guarantees to detect accurately and reliably.
5, this device handling safety is reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of gas drier for the total chlorine analyzers of the utility model microcoulomb.
Embodiment
Referring to Fig. 1, drying device of the present utility model is composed in series by the dry cylinder of the concentrated sulphuric acid and magnesium perchlorate drying tube two parts, and is fixed by firm banking 1.The dry cylinder of the concentrated sulphuric acid is comprised of draft tube 3, cylinder body 4, gas outlet 6, the in-built concentrated sulphuric acid 5 of cylinder body, and its weight percent concentration is 98%, magnesium perchlorate drying tube is comprised of ingress pipe 8, rubber plug 9, body 10, delivery line 12, the in-built magnesium perchlorate 11 of body.
In the present embodiment, dry cylinder cylinder body 4 overall heights of the concentrated sulphuric acid are 10cm, and cylinder body top is spherical, and bottom is cylindric, and stylolitic part height is 6cm, and diameter is 3cm, and the hold liquid level of the concentrated sulphuric acid 5 in cylinder body is 5cm.Draft tube 3 stretches in the concentrated sulphuric acid of cylinder body 4 inside, but does not contact bottom, from the distance of bottom 1cm.From quartz combustion tube sample gas out, through entrance 2, by draft tube 3, be imported into the concentrated sulphuric acid 5 of dry cylinder interior, utilize the dehydration of the concentrated sulphuric acid, sample gas is carried out to primary drying, and dried gas with the dry cylinder of flow velocity outflow more stably, enters redrying pipe after buffering.
Redrying adopts magnesium perchlorate drying tube to carry out, and body 10 is cylindrical glass test tube unanimous between the higher and lower levels, and overall height is 10cm, and pipe diameter is 3cm; Body 10 openings are sealed by perforated rubber stopper 9, have patchhole on rubber plug, and ingress pipe 8 and delivery line 12 are inserted in sealing respectively.The height of the in-built magnesium perchlorate 11 of body is 8cm, and magnesium perchlorate is that ingress pipe 8 stretches in the magnesium perchlorate of body 10 inside through 110 ℃ of blocks of solid of dry 2 hours, but does not contact bottom, from the distance of bottom 1cm.Between drying tube ingress pipe entrance point 7 and dry cylinder gas outlet 6, by ground, connect, to guarantee the impermeability in gas communication process.Sample gas through primary drying in dry cylinder is imported into drying tube bottom through ingress pipe 8, utilizes the water sorption of magnesium perchlorate 11, carries out redrying.Meanwhile, the design of magnesium perchlorate drying tube can also be played the effect that the electrolytic solution suck-back preventing in coulomb electrolytic cell enters the dry cylinder of the concentrated sulphuric acid, causes danger preventing because electrolytic solution suck-back enters the dry cylinder of the concentrated sulphuric acid.
Sample gas through redrying flows out magnesium perchlorate drying tube through delivery line 12, enters total chlorine measurement electrolytic cell, carries out total chlorine measurement.
The total chlorine analyzers gas drier of microcoulomb of the utility model design, can effectively remove the moisture that sample combustion reaction generates, solve the problem that the gaseous hydrogen chloride that causes due to condensation can not accurately be detected completely, detection sensitivity and the repeatability that can significantly improve total chlorine measurement, repeatability and accuracy are all better than 5%; Meanwhile, the utility model has also solved the test problems of low chlorine content sample, can realize effective detection of the low chlorine sample of 0.2mg/L.
Claims (6)
1. the total chlorine analyzers gas drier of microcoulomb, it is characterized in that this device is mainly comprised of the dry cylinder of the concentrated sulphuric acid and magnesium perchlorate drying tube two parts, the dry cylinder of the described concentrated sulphuric acid consists of cylinder body, draft tube and gas outlet, the concentrated sulphuric acid is housed in cylinder body, and the endpiece of draft tube stretches in the concentrated sulphuric acid; Described magnesium perchlorate drying tube is comprised of body, ingress pipe, delivery line and pipe close, and magnesium perchlorate is housed in body, and the endpiece of ingress pipe stretches in magnesium perchlorate; The gas outlet of the entrance point of above-mentioned ingress pipe and the dry cylinder of concentrated acid acid is tightly connected.
2. the total chlorine analyzers gas drier of microcoulomb according to claim 1, is characterized in that: the inferior part of the cylinder block of the dry cylinder of the described concentrated sulphuric acid is cylindrical, and top is spherical.
3. the total chlorine analyzers gas drier of microcoulomb according to claim 1 and 2, is characterized in that: the endpiece of described draft tube is from cylinder bottom 1～2cm, and gas outlet is located at the top of cylinder body.
4. the total chlorine analyzers gas drier of microcoulomb according to claim 1, it is characterized in that: described magnesium perchlorate drying tube is cylindrical glass tube, pipe close is rubber plug, ingress pipe and delivery line are fixed on pipe close, the endpiece of ingress pipe is from the pipe end 1～2cm, and the introducing port of delivery line is positioned at magnesium perchlorate top.
5. the total chlorine analyzers gas drier of microcoulomb according to claim 1, is characterized in that: the dry cylinder of the described concentrated sulphuric acid and magnesium perchlorate drying tube are fixed on base jointly.
6. the total chlorine analyzers gas drier of microcoulomb according to claim 1, is characterized in that: described concentrated sulphuric acid weight percent concentration is 96%～98%, and magnesium perchlorate is the blocks of solid of processing through super-dry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320713110.3U CN203587411U (en) | 2013-11-13 | 2013-11-13 | Gas drying device applicable to microcoulometry total chlorine analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320713110.3U CN203587411U (en) | 2013-11-13 | 2013-11-13 | Gas drying device applicable to microcoulometry total chlorine analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203587411U true CN203587411U (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320713110.3U Expired - Fee Related CN203587411U (en) | 2013-11-13 | 2013-11-13 | Gas drying device applicable to microcoulometry total chlorine analyzer |
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| CN (1) | CN203587411U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604669A (en) * | 2013-11-13 | 2014-02-26 | 江苏东华分析仪器有限公司 | Gas drying device for micro-coulometry total-chlorine analyzer |
-
2013
- 2013-11-13 CN CN201320713110.3U patent/CN203587411U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604669A (en) * | 2013-11-13 | 2014-02-26 | 江苏东华分析仪器有限公司 | Gas drying device for micro-coulometry total-chlorine analyzer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20141113 |
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| EXPY | Termination of patent right or utility model |