CN203929719U - Coal seam hydrogen sulfide content determinator - Google Patents

Coal seam hydrogen sulfide content determinator Download PDF

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Publication number
CN203929719U
CN203929719U CN201420266661.4U CN201420266661U CN203929719U CN 203929719 U CN203929719 U CN 203929719U CN 201420266661 U CN201420266661 U CN 201420266661U CN 203929719 U CN203929719 U CN 203929719U
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CN
China
Prior art keywords
pipeline
bottle
coal seam
hydrogen sulfide
sulfide 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.)
Withdrawn - After Issue
Application number
CN201420266661.4U
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Chinese (zh)
Inventor
刘明举
邓奇根
王燕
赵发军
刘彦伟
郝富昌
左伟芹
魏俊杰
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Henan University of Technology
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Henan University of Technology
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Publication date
Priority to CN201420187086 priority Critical
Priority to CN201420187086.9 priority
Application filed by Henan University of Technology filed Critical Henan University of Technology
Priority to CN201420266661.4U priority patent/CN203929719U/en
Application granted granted Critical
Publication of CN203929719U publication Critical patent/CN203929719U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a kind of Determination of octafluoropropane content device, is specifically related to a kind of device of measuring hydrogen sulfide content in coal seam.This device comprises disintegrating apparatus, and the gas vent of disintegrating apparatus is connected with aspirator bottle by the first pipeline, and the bottom of aspirator bottle is connected with Dewar bottle, and Dewar bottle is connected with vacuum pump; Aspirator bottle is connected with buret by second pipe, and buret is also connected with sampling jar, minipump respectively by pipeline.The utility model can be measured coal seam hydrogen sulfide content directly, exactly, measures quantities relatively little, and cost of determination is low, and determination period is short, measures reliability and accuracy rate higher, can carry out the measurement of large gauge point.

Description

Coal seam hydrogen sulfide content determinator
technical field
The utility model relates to a kind of Determination of octafluoropropane content device, is specifically related to a kind of device of measuring hydrogen sulfide content in coal seam.
background technology
Along with coal mining, coal mine hydrogen sulfide Abnormal Methane Emission is on the rise.Determine that coal seam hydrogen sulfide content size is to carry out the design of coal mine excavation deployment, development stretching, coal seam sulfuretted hydrogen to compose and deposit rule research, coal seam sulfuretted hydrogen prediction of gas emission, take out the basis that sulfuretted hydrogen effect assessment and mine sulfuretted hydrogen are prevented and treated in advance.
At present, both at home and abroad to H in gas sample or in liquid sample 2the detection method of S content has a lot, according to its analysis principle, is mainly divided into chemical method and Physical.Chemical method is according to H 2the chemical property of S, by absorbing agent under certain condition and H 2the chemical reaction of S, carries out correlation computations, thereby draws H 2the assay method of S content.Chemical method application is more, comprises iodimetric titration, mercurimetry, methylene blue laws, chromatography etc.Physical is according to H 2the physical characteristics of S, applied physics principle is determined H 2the assay method of S content, comprises spectroscopic methodology, laser method etc.But, also there is no a kind of device that coal seam hydrogen sulfide content is directly measured.
utility model content
The purpose of this utility model be to provide a kind of can be directly, the device of hydrogen sulfide content in Accurate Determining coal seam.
For achieving the above object, the utility model is by the following technical solutions:
Coal seam hydrogen sulfide content determinator, comprises disintegrating apparatus, and the gas vent of disintegrating apparatus is connected with aspirator bottle by the first pipeline, and the bottom of aspirator bottle is connected with Dewar bottle, and Dewar bottle is connected with vacuum pump; Aspirator bottle is connected with buret by second pipe, and buret is also connected with sampling jar, minipump respectively by pipeline.
Disintegrating apparatus is provided with interlayer outward, and interlayer is provided with chilled water inlet pipe, cooling water outlet tube, between chilled water inlet pipe and cooling water outlet tube, by water pump, forms circulation, for to disintegrating apparatus cooling, avoids the excess Temperature in disintegrating apparatus to cause sulfuretted hydrogen to decompose.
By disintegrating apparatus, to the first pipeline between aspirator bottle, be provided with successively filtrator, flowmeter, valve.
Aspirator bottle is connected with the first pipeline, second pipe by the first T-valve.
Buret is connected with second pipe, the 3rd pipeline by the second T-valve; The 3rd device for cleaning pipeline is crossed the 3rd T-valve and is connected with the 4th pipeline, the 5th pipeline respectively, and the other end of the 4th pipeline is connected with sampling jar, and the other end of the 5th pipeline is connected with minipump.
Aspirator bottle, Dewar bottle, buret are separately fixed on support.
Micro vacuum delivery side of pump is connected with tail gas absorption bottle.
Buret is a plurality of of parallel connection.
Vacuum pump is connected with the first pipeline between valve with Dewar bottle, disintegrating apparatus respectively by the 4th T-valve.
The utility model can be measured coal seam directly, exactly can desorb hydrogen sulfide content, has the following advantages: measure quantities relatively little, cost of determination is low, and determination period is short, measures reliability and accuracy rate higher, can carry out the measurement of large gauge point.Utilize this device can measure exactly coal seam hydrogen sulfide content, can be used for that coal mine excavation is disposed, development stretching design, coal seam sulfuretted hydrogen compose and deposit rule research, coal seam sulfuretted hydrogen prediction of gas emission, take out sulfuretted hydrogen effect assessment in advance, meet the aspect requirements such as the prediction of mine sulfuretted hydrogen and control, be with a wide range of applications.
accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
embodiment
Coal seam hydrogen sulfide content determinator as shown in Figure 1, comprise disintegrating apparatus 1, aspirator bottle 12, buret 19, buret 19 is in parallel two, the outer interlayer that is provided with of disintegrating apparatus 1, interlayer is provided with chilled water inlet pipe 2, cooling water outlet tube 3, between chilled water inlet pipe 2 and cooling water outlet tube 3, by water pump 4, forms circulation;
The gas vent of disintegrating apparatus 1 is connected with the first pipeline 30, aspirator bottle 12 is connected with the first pipeline 30, second pipe 31 by the first T-valve 13, by disintegrating apparatus 1, to the first pipeline 30 between aspirator bottle 12, is provided with successively filtrator 5, flowmeter 6, valve 7;
The bottom of aspirator bottle 12 is connected with Dewar bottle 11, and vacuum pump 9 is connected with the first pipeline 30 between valve 7 with Dewar bottle 11, disintegrating apparatus 1 respectively by the 4th T-valve 10;
Buret 19 is connected with second pipe 31, the 3rd pipeline 32 by the second T-valve 15, the 3rd pipeline 32 is connected with the 4th pipeline 33, the 5th pipeline 34 respectively by the 3rd T-valve 18, the other end of the 4th pipeline 33 is connected with sampling jar 20, the other end of the 5th pipeline 34 is connected with minipump 21, and the outlet of minipump 21 is connected with tail gas absorption bottle 22;
Dewar bottle 11, aspirator bottle 12 are fixed on the first support 14, and buret 19 is fixed on the second support 17, and the bottom of the second support 17 is provided with tank.
The utility model adopts following steps while using:
1.1 pairs of devices clean, and dry, and each connecting portion impermeability is detected, and each connecting portion is air tight is qualified, will in aspirator bottle 12, buret 19, be filled with liquid, and the openend immersion of buret 19 is filled in the tank of liquid;
1.2 weigh ground desorb coal sample later, determine its quality ( m coal), load weighted coal sample is put into disintegrating apparatus 1, seal tightly, valve-off 7, regulates the 4th T-valve 10 that vacuum pump 9 is connected with disintegrating apparatus 1, and 9 pairs of disintegrating apparatus 1 of unlatching vacuum pump vacuumize;
1.3 close vacuum pump 9, regulate the 4th T-valve 10 that vacuum pump 9 is connected with Dewar bottle 11, opening 1 pair of coal sample of disintegrating apparatus pulverizes, Open valve 7, regulate the first T-valve 13 that imbibition bottle with sucker 12 is connected with disintegrating apparatus 1, open vacuum pump 9, make Dewar bottle 11 and imbibition bottle with sucker 12 in negative pressure state;
1.4 close vacuum pump 9 when liquid rises to the mouth of pipe soon in Dewar bottle 11, and at this moment the gas in disintegrating apparatus 1, because gas pressure enters imbibition bottle with sucker 12, becomes barotropic state in bottle; Now regulate the first T-valve 13, the 3rd T-valve 18, imbibition bottle with sucker 12 is connected with buret 19, under gas pressure, gas enters buret 19, record buret 19 liquid level decline readings, buret 19 is in parallel when a plurality of, can switch by T-valve, records respectively each buret 19 liquid level decline readings;
If 1.5 buret 19 ranges are inadequate, temporary close valve 7, adopt 21 pairs of buret 19 imbibitions of minipump to suitable scale; And then repetition above-mentioned steps, until substantially not degassed (or degassed very micro-); In above process, the total indicator reading (TIR) that buret 19 liquid levels decline is the gas gross parsing in coal seam w;
After 1.6, regulate the 3rd T-valve 18 to make gas enter sampling jar 20, adopt gas chromatograph to carry out gas composition mensuration, can record 2 S component in gas ;
1.7 according to the sulfuretted hydrogen of gas chromatographic detection the component in gas, can calculate stink damp body burden in coal seam in this process = w* / m coal.

Claims (9)

1. coal seam hydrogen sulfide content determinator, is characterized in that, comprises disintegrating apparatus, and the gas vent of disintegrating apparatus is connected with aspirator bottle by the first pipeline, and the bottom of aspirator bottle is connected with Dewar bottle, and Dewar bottle is connected with vacuum pump; Aspirator bottle is connected with buret by second pipe, and buret is also connected with sampling jar, minipump respectively by pipeline.
2. coal seam as claimed in claim 1 hydrogen sulfide content determinator, is characterized in that, disintegrating apparatus is provided with interlayer outward, and interlayer is provided with chilled water inlet pipe, cooling water outlet tube, between chilled water inlet pipe and cooling water outlet tube, by water pump, forms circulation.
3. coal seam as claimed in claim 1 or 2 hydrogen sulfide content determinator, is characterized in that, by disintegrating apparatus, to the first pipeline between aspirator bottle, is provided with successively filtrator, flowmeter, valve.
4. coal seam as claimed in claim 1 or 2 hydrogen sulfide content determinator, is characterized in that, aspirator bottle is connected with the first pipeline, second pipe by the first T-valve.
5. coal seam as claimed in claim 1 or 2 hydrogen sulfide content determinator, is characterized in that, buret is connected with second pipe, the 3rd pipeline by the second T-valve; The 3rd device for cleaning pipeline is crossed the 3rd T-valve and is connected with respectively the 4th pipeline, the 5th pipeline, and the other end of the 4th pipeline is connected with sampling jar, and the other end of the 5th pipeline is connected with minipump.
6. coal seam as claimed in claim 1 or 2 hydrogen sulfide content determinator, is characterized in that, aspirator bottle, Dewar bottle, buret are separately fixed on support.
7. coal seam as claimed in claim 1 or 2 hydrogen sulfide content determinator, is characterized in that, micro vacuum delivery side of pump is connected with tail gas absorption bottle.
8. coal seam as claimed in claim 1 or 2 hydrogen sulfide content determinator, is characterized in that, buret is a plurality of of parallel connection.
9. coal seam as claimed in claim 1 or 2 hydrogen sulfide content determinator, is characterized in that, vacuum pump is connected with the first pipeline between valve with Dewar bottle, disintegrating apparatus respectively by the 4th T-valve.
CN201420266661.4U 2014-04-17 2014-05-23 Coal seam hydrogen sulfide content determinator Withdrawn - After Issue CN203929719U (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201420187086 2014-04-17
CN201420187086.9 2014-04-17
CN201420266661.4U CN203929719U (en) 2014-04-17 2014-05-23 Coal seam hydrogen sulfide content determinator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420266661.4U CN203929719U (en) 2014-04-17 2014-05-23 Coal seam hydrogen sulfide content determinator

Publications (1)

Publication Number Publication Date
CN203929719U true CN203929719U (en) 2014-11-05

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104007041A (en) * 2014-04-17 2014-08-27 河南理工大学 Device for determining content of hydrogen sulfide in coal bed
CN105973337A (en) * 2016-06-06 2016-09-28 中国石油天然气股份有限公司 Experimental device and method for gaseous product metering and drying sampling
CN110208421A (en) * 2019-01-31 2019-09-06 煤科集团沈阳研究院有限公司 It is a kind of for measuring the device of hydrogen sulfide content in coal body

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104007041A (en) * 2014-04-17 2014-08-27 河南理工大学 Device for determining content of hydrogen sulfide in coal bed
CN105973337A (en) * 2016-06-06 2016-09-28 中国石油天然气股份有限公司 Experimental device and method for gaseous product metering and drying sampling
CN105973337B (en) * 2016-06-06 2018-11-16 中国石油天然气股份有限公司 A kind of experimental provision and experimental method of gaseous product metering and dry sampling
CN110208421A (en) * 2019-01-31 2019-09-06 煤科集团沈阳研究院有限公司 It is a kind of for measuring the device of hydrogen sulfide content in coal body

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C14 Grant of patent or utility model
GR01 Patent grant
C25 Abandonment of patent right or utility model to avoid double patenting
AV01 Patent right actively abandoned

Granted publication date: 20141105

Effective date of abandoning: 20160413