CN204008254U - High moisture dust-laden gas analysis sample gas pretreating system - Google Patents
High moisture dust-laden gas analysis sample gas pretreating system Download PDFInfo
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- CN204008254U CN204008254U CN201420482430.7U CN201420482430U CN204008254U CN 204008254 U CN204008254 U CN 204008254U CN 201420482430 U CN201420482430 U CN 201420482430U CN 204008254 U CN204008254 U CN 204008254U
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- solenoid valve
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- 238000004868 gas analysis Methods 0.000 title claims abstract description 10
- 239000000523 sample Substances 0.000 claims abstract description 71
- 238000005070 sampling Methods 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000012528 membrane Substances 0.000 claims description 24
- 238000012795 verification Methods 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 6
- 238000009628 steelmaking Methods 0.000 abstract description 6
- 238000011084 recovery Methods 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 238000011109 contamination Methods 0.000 abstract description 3
- 230000000740 bleeding effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 35
- 239000003034 coal gas Substances 0.000 description 9
- 229910052760 oxygen Inorganic materials 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000000428 dust Substances 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000013068 control sample Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a kind of high moisture dust-laden gas analysis sample gas pretreating system, in converter gas pipeline, sampling probe is installed, sampling probe connects the entrance of steam trap, the delivery side of pump of bleeding connects the entrance of K.O by pipeline, the entrance of the outlet one road connecting electronic refrigerator of K.O tank, K.O tank connects second row water solenoid valve, and second row water solenoid valve is connected with central drainage tank by pipeline; The outlet of analyser is connected to outdoor outlet; Electronic refrigerator is also connected central drainage tank by water tank with the 3rd drain solenoid valve successively.The utility model has improved RECOVERY OF CONVERTER GAS amount, not only effectively reduces steel making working procedure production cost, and effectively reduces steel mill's gross contamination emission, can reduce service equipment to the impact of producing.
Description
Technical field
The utility model relates to coal gas of converter analytical technology, particularly high moisture dust-laden gas analysis sample gas pretreating system.
Background technology
Coal gas of converter is in convertor steelmaking process, and the carbon in molten iron at high temperature generates carbon monoxide, a small amount of carbon dioxide and micro-O with the oxygen being blown into
2mixed gas, wherein the content of CO accounts for 60%-80%, it is a kind of poisonous, harmful, inflammable, explosive dangerous gas, is also a kind of well industrial chemicals and commercial production energy.Therefore, it is important means and the measure that industry energy conservation lowers consumption, reduces costs, increases the benefit that coal gas of converter is for recycling and reuse, Ye Shi iron and steel enterprise protection of the environment, saving energy obligation and responsibility.
Gas analysis meter mainly detects converter CO and O
2content, according to analyser analysis result, determine coal gas is reclaimed or is diffused.The content of carbon monoxide is more than or equal to 25%, and oxygen content is less than 1.5%, so just reclaim, otherwise in diffusing state.
Gas analysis meter is analyzed from the sampling of converter gas pipeline by sampling line; in coal gas of converter, dust content is large; adopt OG wet dust removal and converter fan impeller to rinse at a high speed; moisture height; if sample gas pretreating system poor processing effect; can trigger flow (low) and the action of humidity (greatly) pick-up unit, protection analyser stops reclaiming.Once dust and steam enter analyser, analyser will cause irreversible damage.
Utility model content
The purpose of this utility model is, in order to solve existing gas recovery system because having adopted impeller high-speed punching cleaning technology, fault increases the problem that affects coal-gas recovering, overcome existing technique and cause the problem existing in the use of coal-gas recovering detection system, and effective " dewatering " Key technology problem, reduce coal-gas recovering detection system fault, a kind of high-efficiency pretreatment system is provided, can reduce the system failure, improve coal-gas recovering rate.
For achieving the above object, the utility model by the following technical solutions, high moisture dust-laden gas analysis sample gas pretreating system, in converter gas pipeline, sampling probe is installed, sampling probe connects the entrance of steam trap, the outlet of steam trap connects the entrance of sample gas entrance solenoid valve, aspiration pump and K.O tank successively by pipeline, the entrance of the outlet one road connecting electronic refrigerator of K.O tank, an other road and emptying flowmeter are connected to outlet, K.O tank is connected with second row water solenoid valve, and second row water solenoid valve is connected with central drainage tank by pipeline; The outlet of electronic refrigerator connects the entrance of verification sample conversion switch, the entrance of verification sample conversion switch also connects verification gas entrance, the outlet of verification sample conversion switch connects first, second membrane filter successively, the outlet of the second membrane filter is by the entrance of sample airshed meter linking parsing instrument, and the outlet of analyser is connected to outdoor outlet; Steam trap also connects central drainage tank by first row water solenoid valve; Electronic refrigerator is also connected central drainage tank by water tank with the 3rd drain solenoid valve successively, and central drainage tank connects freeing port.
Further, described sampling probe is provided with high density filter device, and high density filter device is connected with one end of stopple coupon, and the stopple coupon other end is provided with angle, and oblique angle is 45 °.
The beneficial effects of the utility model are: improve RECOVERY OF CONVERTER GAS amount, not only effectively reduce steel making working procedure production cost, lay the first stone, and effectively reduce steel mill's gross contamination emission for realizing " negative energy " steel-making, realize cleaner production; K.O tank and emptying pipeline can effectively dewater, and control sample airshed, ensure the normal work of analyser; Displacement can effectively be saved the water that condenser electronic refrigerator is discharged, and anti-sealing freezes and causes line clogging in condenser; Adopt two membrane filters, when two membrane filters are during with alarm, just chainly stop sampling, can reduce service equipment to the impact of producing.
Brief description of the drawings
Fig. 1 is system architecture schematic diagram of the present utility model.(in figure, solid line is sample feed channel, and dotted line is drainage pipeline).
Fig. 2 is the structural representation of sampling probe in the utility model.
In figure: 1. sampling probe, 101. high density filter devices, 102. stopple coupons, 2. analyser, 3. steam trap, 4. sample gas entrance solenoid valve, 5. aspiration pump, 6. emptying flowmeter, 7. sample airshed meter, 8. first row water solenoid valve, 9. K.O tank, 10. second row water solenoid valve, 11. second membrane filters, 12. first membrane filters, 13. verification sample conversion switches, 14. electronic refrigerators, 15. water tanks, 16. the 3rd drain solenoid valves, 17. central drainage tanks, 18. converter gas pipelines.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, referring to Fig. 1, high moisture dust-laden gas analysis sample gas pretreating system, sampling probe 1 is installed in converter gas pipeline 18, sampling probe 1 connects the entrance of steam trap 3, the outlet of steam trap 3 connects sample gas entrance solenoid valve 4 successively by pipeline, the entrance of aspiration pump 5 and K.O tank 9, the entrance of the outlet one road connecting electronic refrigerator 14 of K.O tank 9, an other road and emptying flowmeter 6 are connected to outlet, K.O tank 9 is connected with second row water solenoid valve 10, second row water solenoid valve 10 is connected with central drainage tank 17 by pipeline, the outlet of electronic refrigerator 14 connects the entrance of verification sample conversion switch 13, the entrance of verification sample conversion switch 13 also connects verification gas entrance, select service aisle by verification sample conversion switch 13, the outlet of verification sample conversion switch 13 connects first, second membrane filter 12,11 successively, the outlet of the second membrane filter 11 is by the entrance of sample airshed meter 7 linking parsing instrument 2, and the outlet of analyser 2 is connected to outdoor outlet, steam trap 3 also connects central drainage tank 17 by first row water solenoid valve 8, electronic refrigerator 14 is also connected central drainage tank 17 by water tank 14 with the 3rd drain solenoid valve 16 successively, and central drainage tank 17 connects freeing port.
Referring to Fig. 2, described sampling probe 1 is provided with high density filter device 101, and high density filter device 101 is connected with one end of stopple coupon 102, and stopple coupon 102 other ends are provided with angle, and oblique angle is 45 °.
Before the high moisture-laden gas analyser of the utility model, remove water treatment steps as follows: by steam trap 3, moisture in separation sample gas, avoids excess moisture to stop up aspiration pump 5, affects aspiration pump 5 efficiency; Dewater through K.O tank 9, K.O tank 9 is a kind of inertia separators, for separating of the drop in gaseous sample, and the effectively moisture in separation sample gas; Electronic refrigerator 14 dewaters, and freezes by electronic refrigerator 14, and sample temperature degree is down at 5 DEG C, dewaters to sample qi exhaustion is wet; First, second membrane filter 12,11, sample gas enters front last pipe protection of analyser 2, and filter paper is housed in filtrator, and filter paper wets warning; Can, to the dehumidifying of sample gas and dedusting, two membrane filters be housed, the wet warning of the first membrane filter 12 filter paper is that prompting is reported to the police, if two same alarms of membrane filter, system quits work, protection analyser 2; Blowback draining, stopping in analytical gap, to the blowback of sample feed channel, get rid of moisture in sample feed channel, and timing is to steam trap 3, K.O tank 9,17 drainings of central drainage tank by nitrogen.
The utility model can improve RECOVERY OF CONVERTER GAS amount, not only effectively reduces steel making working procedure production cost, lays the first stone, and effectively reduce steel mill's gross contamination emission for realizing " negative energy " steel-making, realizes cleaner production.
K.O tank 9 and emptying pipeline can effectively increase sample airshed, ensure analyser express-analysis.12,11 two of first, second membrane filters sample with chain the stopping of alarm, can reduce service equipment to the impact of producing.
In the utility model program design, increase by 120 minutes no signals, automatically carried out blowback operation, solved the problem that long-time stop production to overhaul causes line clogging.
District drainage in the utility model program design has used mistiming and pressure reduction segmentation to carry out effective draining to several displacement cans cleverly.
1, sample gas disposal flow process
Entering before sampling pipe, the high density filter device 101 of sampling probe 1 samples the stopple coupon 102 that entrance self-control connects 45 ° of inclination angles, further reduces dust and the impact of water on analytic system in sample gas.(see figure 2)
After sampling probe 1 dust removal and filtration, sample gas enters the steam trap 3 in dish cabinet, utilize inertia to remove drop in sample gas, avoid water slug aspiration pump 5, after aspiration pump 5 pressurizations, enter K.O tank 9, remove again in sample gas after drop point two-way: it is outdoor through outlet row that the emptying flowmeter 6 of leading up to is controlled flow, increases sample gas velocity; Another road enters electronic refrigerator 14, and sample gas outlet temperature is controlled within 3 DEG C-5 DEG C, dewaters to sample qi exhaustion is wet; Enter successively the first membrane filter 12 and the second membrane filter 11 dedustings dewater via verification sample conversion switch 13, report to the police if the filter paper of the first membrane filter 12 or the second membrane filter 11 is wet, system works on, and filter paper is changed in prompting; The same alarm if the first membrane filter 12 and the second membrane filter 11 filter paper wet, system quits work; After first, second membrane filter 12,11, control flow by sample airshed meter 7 and enter analyser 2 and analyze.
2, PLC control program
Converter smelting sends oxygen rifle dropping signal, sample gas processing system work, and PLC controls, and sample gas entrance solenoid valve 4 is opened, and aspiration pump 5 is worked.When analytic system accumulative total is worked 120 minutes, PLC control draining K.O tank 9 second row water solenoid valves 10 are opened draining and are closed after 10 seconds, and drain solenoid valve 16 drainings that are then connected with electronic refrigerator 14 were closed after 10 seconds, entered normal operating conditions; When converter smelting sends oxygen rifle rising signals, sample gas processing system quits work, PLC controls the blowback program that enters, at blowback sampling probe 1 blowback sampling line and steam trap 3 simultaneously, the first row water solenoid valve 8 that steam trap 3 connects is simultaneously opened draining, continues to close for 15 seconds first row water solenoid valve 8; Probe blowback after 120 seconds system in waiting status; Within 120 minutes, do not receive oxygen rifle dropping signal, repeat blowback program;
RECOVERY OF CONVERTER GAS equipment sampling flow process is according to arranging each cell from low to high, arrange from high to low from sampling probe 1, steam trap 3, aspiration pump 5, K.O tank 9, electronic refrigerator 14 according to sampling flowsheet, the first membrane filter 12, the second membrane filter 11, sample airshed meter 7, analyser 2 are arranged from low to high, use stainless steel pipeline with joint, individual parts to be connected, guarantee that the sealing of pipeline is with firm.Utilize the working pressure of difference in height and aspiration pump 5 to strengthen drainage effect.Optimal control program, district drainage, strengthens drainage effect.Increase by the 120 minutes automatic blowings that stop production, solved the line clogging problem of resuming production and may run into after long-time stopping production.
In the utility model program design, increase by 120 minutes and automatically carried out blowback drain operation without sampling, solved the problem that long-time stop production to overhaul causes line clogging.District drainage has used mistiming and pressure reduction segmentation to carry out effective draining to several displacement cans dexterously simultaneously.
Claims (2)
1. high moisture dust-laden gas analysis sample gas pretreating system, it is characterized in that, in converter gas pipeline, sampling probe is installed, sampling probe connects the entrance of steam trap, the outlet of steam trap connects the entrance of sample gas entrance solenoid valve, aspiration pump and K.O tank successively by pipeline, the entrance of the outlet one road connecting electronic refrigerator of K.O tank, an other road and emptying flowmeter are connected to outlet, K.O tank is connected with second row water solenoid valve, and second row water solenoid valve is connected with central drainage tank by pipeline; The outlet of electronic refrigerator connects the entrance of verification sample conversion switch, the entrance of verification sample conversion switch also connects verification gas entrance, the outlet of verification sample conversion switch connects first, second membrane filter successively, the outlet of the second membrane filter is by the entrance of sample airshed meter linking parsing instrument, and the outlet of analyser is connected to outdoor outlet; Steam trap also connects central drainage tank by first row water solenoid valve; Electronic refrigerator is also connected central drainage tank by water tank with the 3rd drain solenoid valve successively, and central drainage tank connects freeing port.
2. the moisture dust-laden gas analysis of height according to claim 1 sample gas pretreating system, it is characterized in that, described sampling probe is provided with high density filter device, and high density filter device is connected with one end of stopple coupon, and the stopple coupon other end is provided with angle, and oblique angle is 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420482430.7U CN204008254U (en) | 2014-08-26 | 2014-08-26 | High moisture dust-laden gas analysis sample gas pretreating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420482430.7U CN204008254U (en) | 2014-08-26 | 2014-08-26 | High moisture dust-laden gas analysis sample gas pretreating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204008254U true CN204008254U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420482430.7U Expired - Lifetime CN204008254U (en) | 2014-08-26 | 2014-08-26 | High moisture dust-laden gas analysis sample gas pretreating system |
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| Country | Link |
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| CN (1) | CN204008254U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104713764A (en) * | 2015-04-09 | 2015-06-17 | 新兴铸管股份有限公司 | Drainage device of converter gas analyzer |
| CN106483003A (en) * | 2016-11-02 | 2017-03-08 | 重庆钢铁集团电子有限责任公司 | Coal gas pretreatment system for comprehensive gas analysis and its control method |
| CN110018038A (en) * | 2019-05-22 | 2019-07-16 | 湖南千盟智能信息技术有限公司 | A kind of coke-stove gas ammonia on-line analysis pretreatment system and its application method |
-
2014
- 2014-08-26 CN CN201420482430.7U patent/CN204008254U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104713764A (en) * | 2015-04-09 | 2015-06-17 | 新兴铸管股份有限公司 | Drainage device of converter gas analyzer |
| CN106483003A (en) * | 2016-11-02 | 2017-03-08 | 重庆钢铁集团电子有限责任公司 | Coal gas pretreatment system for comprehensive gas analysis and its control method |
| CN110018038A (en) * | 2019-05-22 | 2019-07-16 | 湖南千盟智能信息技术有限公司 | A kind of coke-stove gas ammonia on-line analysis pretreatment system and its application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141210 |