CN203264568U - Gas mixing device - Google Patents
Gas mixing device Download PDFInfo
- Publication number
- CN203264568U CN203264568U CN201320289959.2U CN201320289959U CN203264568U CN 203264568 U CN203264568 U CN 203264568U CN 201320289959 U CN201320289959 U CN 201320289959U CN 203264568 U CN203264568 U CN 203264568U
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Abstract
The utility model discloses a gas mixing device which mainly comprises a high-concentration gas inlet, an intercepting valve, a pressure regulating box, a model pressure regulating box-RX, a pressure meter, a bleeder, a safety valve, a flow meter, an automatic regulating valve, a temperature meter, a concentration meter, a low-concentration gas inlet, a fire barrier, a model fire barrier-GZDI, a check valve, a static mixer, a model static mixer-SX, a mixed gas outlet and a pipeline, wherein the high-concentration gas inlet is connected with the pipeline, the pipeline is connected with the intercepting valve, the intercepting valve is connected with the pipeline, the pipeline is connected with the pressure regulating box, and the pressure regulating box is connected with the pipeline. According to the gas mixing device, the concentration of mixed low-concentration gas can meet the national specified requirement and is beyond the gas explosion limit, and thus the safety of the gas mixing device is ensured. Compared with conventional mixing devices such as a venturi tube, the gas mixing device has the advantages of simple process, compact structure, small energy consumption, small investment, large operation flexibility, small maintenance, high reliability, low failure rate and good mixing property.
Description
Technical field
The utility model relates to a kind of mechanical device
,Relate in particular to the mixing arrangement of mash gas extraction and CMM Surface Well Drilling or natural gas under a kind of coal mine.
Background technology
At present, China's gas pumping generally adopts dual mode: the one, and ground well drainage, the 2nd, coal mine gas extraction.The gas density of ground well drainage is high, can directly utilize, but the gas density of different drilling well extractions has difference, mixes the fluctuation that easily causes concentration, and utilization is had certain impact.The gas density difference of coal mine gas extraction is larger, and what concentration was high can directly utilize, and what concentration was low cannot directly utilize.Under safing prerequisite, how low concentration gas is mixed with the gas of high concentration, form the mist of concentration stabilize, improve the utilization rate of coal seam gas, reduce the direct discharging of gas, be the problem that urgent need will solve.
Summary of the invention
In order to overcome the deficiencies in the prior art, the gas density difference that solves the coal mine gas extraction is larger, and what concentration was high can directly utilize, and the problem that cannot directly utilize that concentration is low provides a kind of gas mixing arrangement.
The technical scheme that its technical problem that solves the utility model adopts is:
a kind of gas mixing arrangement is mainly by the high concentration gas entrance, block valve, pressure regulating box, model pressure regulating box-RX, Pressure gauge, exhaust stack, safety valve, flowmeter, automatic regulating valve, thermometer, densimeter, the low concentration gas entrance, spark arrester, model spark arrester-GZD I, check-valves, static mixer, model static mixer-SX, mixed gas export and pipeline form, its high concentration gas entrance connecting pipe, and pipeline connects block valve, the block valve connecting pipe, pipeline connects pressure regulating box, pressure regulating box connecting pipe, set gradually Pressure gauge on pipeline connection traffic meter one end, pressure regulating box and pipeline that flowmeter is connected, block valve and safety valve, the block valve top connects spark arrester, spark arrester top connects exhaust stack, the safety valve top also connects spark arrester, spark arrester top also connects exhaust stack, flowmeter other end connecting pipe, pipeline connects automatic regulating valve, automatic regulating valve is leaded up to pipeline, connect block valve, automatic regulating valve another road connects densimeter by pipeline, and densimeter connects mixed gas export by pipeline, block valve connects static mixer by pipeline, sets gradually thermometer and densimeter on block valve and pipeline that static mixer is connected, the low concentration gas entrance connects spark arrester, check-valves, block valve and flowmeter one end successively by pipeline, set gradually block valve, Pressure gauge, thermometer and densimeter above the pipeline that block valve is connected with flowmeter one end, block valve top connects spark arrester, spark arrester top connects exhaust stack, the flowmeter other end connects static mixer by pipeline, static mixer connects densimeter by pipeline, and densimeter connects mixed gas export by pipeline.
The beneficial effects of the utility model are:
1, its concentration of the mixed low concentration gas of the utility model meets the regulation requirement of country, not in the gas explosion limit, has guaranteed apparatus system safety.
2, traditional mixing apparatus such as the utility model and Venturi tube is compared, and has flow process simple, and compact conformation, energy consumption are little, small investment, operating flexibility are large, a little repair, reliability are high, the advantage of failure rate is low, good mixing property.
Description of drawings
Fig. 1 is the utility model gas mixing arrangement figure.
The specific embodiment
in Fig. 1, a kind of gas mixing arrangement is mainly by high concentration gas entrance 1, block valve 2, pressure regulating box 3, model pressure regulating box-RX, Pressure gauge 4, exhaust stack 5, safety valve 6, flowmeter 7, automatic regulating valve 8, thermometer 9, densimeter 10, low concentration gas entrance 11, spark arrester 12, model spark arrester-GZD I, check-valves 13, static mixer 14, model static mixer-SX, mixed gas export 15 and pipeline 16 form, its high concentration gas entrance 1 connecting pipe 16, pipeline 16 connects block valve 2, block valve 2 connecting pipes 16, pipeline 16 connects pressure regulating box 3, pressure regulating box 3 connecting pipes 16 set gradually Pressure gauge 4 on pipeline 16 connection traffic meter 7 one ends, pressure regulating box 3 and pipeline 16 that flowmeter 7 is connected, block valve 2 and safety valve 6, block valve 2 tops connect spark arrester 12, spark arrester 12 tops connect exhaust stack 5, safety valve 6 tops also connect spark arrester 12, spark arrester 12 tops also connect exhaust stack 5, flowmeter 7 other end connecting pipes 16, pipeline 16 connects automatic regulating valve 8, automatic regulating valve 8 is leaded up to pipeline 16, connect block valve 2, automatic regulating valve 8 another roads connect densimeter 10 by pipeline 16, densimeter 10 connects mixed gas export 15 by pipeline 16, block valve 2 connects static mixer 14 by pipeline 16, set gradually thermometer 9 and densimeter 10 on block valve 2 and pipeline 16 that static mixer 14 is connected, low concentration gas entrance 11 connects spark arrester 12, check-valves 13, block valve 2 and flowmeter 7 one ends successively by pipeline 16, block valve 2 is connected with flowmeter 7 one ends pipeline 16 tops set gradually block valve 2, Pressure gauge 4, thermometer 9 and densimeter 10, block valve 2 tops connect spark arrester 12, spark arrester 12 tops connect exhaust stack 5, flowmeter 7 other ends connect static mixer 14 by pipeline 16, static mixer 14 connects densimeter 10 by pipeline 16, and densimeter 10 connects mixed gas export 15 by pipeline 16.
Operation principle:
High concentration gas (gas that the concentration of the gas of ground extraction, down-hole extraction is higher, natural gas), by (arranging according to the pressure rating needs) after pressure regulating box 3, after flowmeter 7 meterings, enter automatic regulating valve 8, through the high concentration gas after automatic regulating valve 8, enter static mixer 14, wait for and fully mixing with low concentration gas.
The low concentration gas of extraction under coal mine after spark arrester 12, check-valves 13, through flowmeter 7, enters static mixer 14, and low concentration gas and high concentration gas converge.
Be provided with measurement of concetration meter 10 after static mixer 14, according to the concentration that arranges, control the automatic regulating valve 8 in the high concentration gas pipe, adjust the unlatching size of automatic regulating valve 8, control the flow of high concentration gas, mixed gas density is maintained in the scope of setting, satisfy user's instructions for use.
For guaranteeing safety, in the high concentration gas pipeline, be provided with safe diffusion device exhaust stack 5 and safety valve 6; On the low concentration gas pipeline, be provided with safe diffusion device exhaust stack 5; The ducted gas density of low concentration gas is controlled at reaching the standard grade of the gas explosion limit above, guarantees the safety of low concentration gas pipeline.
Claims (1)
1. gas mixing arrangement is mainly by high concentration gas entrance (1), block valve (2), pressure regulating box (3), model pressure regulating box-RX, Pressure gauge (4), exhaust stack (5), safety valve (6), flowmeter (7), automatic regulating valve (8), thermometer (9), densimeter (10), low concentration gas entrance (11), spark arrester (12), model spark arrester-GZD I, check-valves (13), static mixer (14), model static mixer-SX, mixed gas export (15) and pipeline (16) form, it is characterized in that: high concentration gas entrance (1) connecting pipe (16), pipeline (16) connects block valve (2), block valve (2) connecting pipe (16), pipeline (16) connects pressure regulating box (3), pressure regulating box (3) connecting pipe (16) sets gradually Pressure gauge (4) on pipeline (16) connection traffic meter (7) one ends, pressure regulating box (3) and pipeline (16) that flowmeter (7) is connected, block valve (2) and safety valve (6), block valve (2) top connects spark arrester (12), spark arrester (12) top connects exhaust stack (5), safety valve (6) top also connects spark arrester (12), spark arrester (12) top also connects exhaust stack (5), flowmeter (7) other end connecting pipe (16), pipeline (16) connects automatic regulating valve (8), automatic regulating valve (8) is leaded up to pipeline (16), connect block valve (2), another road of automatic regulating valve (8) connects densimeter (10) by pipeline (16), densimeter (10) connects mixed gas export (15) by pipeline (16), block valve (2) connects static mixer (14) by pipeline (16), set gradually thermometer (9) and densimeter (10) on block valve (2) and pipeline (16) that static mixer (14) is connected, low concentration gas entrance (11) connects spark arrester (12) successively by pipeline (16), check-valves (13), block valve (2) and flowmeter (7) one ends, set gradually block valve (2) above the pipeline (16) that block valve (2) is connected with flowmeter (7) one ends, Pressure gauge (4), thermometer (9) and densimeter (10), block valve (2) top connects spark arrester (12), spark arrester (12) top connects exhaust stack (5), flowmeter (7) other end connects static mixer (14) by pipeline (16), static mixer (14) connects densimeter (10) by pipeline (16), densimeter (10) connects mixed gas export (15) by pipeline (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320289959.2U CN203264568U (en) | 2013-05-24 | 2013-05-24 | Gas mixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320289959.2U CN203264568U (en) | 2013-05-24 | 2013-05-24 | Gas mixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203264568U true CN203264568U (en) | 2013-11-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320289959.2U Expired - Lifetime CN203264568U (en) | 2013-05-24 | 2013-05-24 | Gas mixing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203264568U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103285756A (en) * | 2013-05-24 | 2013-09-11 | 中煤邯郸设计工程有限责任公司 | Gas mixing device |
| CN104329672A (en) * | 2014-10-31 | 2015-02-04 | 中国神华能源股份有限公司 | Device and method for co-firing mine gas and natural gas |
-
2013
- 2013-05-24 CN CN201320289959.2U patent/CN203264568U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103285756A (en) * | 2013-05-24 | 2013-09-11 | 中煤邯郸设计工程有限责任公司 | Gas mixing device |
| CN104329672A (en) * | 2014-10-31 | 2015-02-04 | 中国神华能源股份有限公司 | Device and method for co-firing mine gas and natural gas |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131106 |