CN209979536U - Online dew point analyzer of natural gas - Google Patents
Online dew point analyzer of natural gas Download PDFInfo
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- CN209979536U CN209979536U CN201920643395.5U CN201920643395U CN209979536U CN 209979536 U CN209979536 U CN 209979536U CN 201920643395 U CN201920643395 U CN 201920643395U CN 209979536 U CN209979536 U CN 209979536U
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- connecting pipe
- flow indicator
- filter
- dew point
- valve
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 239000003345 natural gas Substances 0.000 title claims abstract description 13
- 239000007789 gas Substances 0.000 claims description 9
- 238000004458 analytical method Methods 0.000 claims description 5
- 230000008676 import Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- -1 chemical engineering Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model discloses an on-line natural gas dew point analyzer, which comprises a shell, a filter, a locking bolt, a pressure regulator, a connecting pipe, an inlet stop valve, a pressure indicator, a heat exchanger, an explosion-proof moisture analyzer, an expansion complex, an electric junction box, a first flow indicator, a vent valve, a safety valve, a discharge port and a second flow indicator, wherein the filter is arranged in the shell, the air inlet of the filter is connected with the connecting pipe, the inlet stop valve is arranged at the outer side of the connecting pipe, the connecting pipe is fixedly arranged on the inner wall of the shell through the locking bolt, the end part of the connecting pipe passes through the shell, the discharge port of the filter is connected with the first flow indicator through the connecting pipe, the dew point analyzer adopts a capacitance type humidity sensor, combines the singlechip control technology, the inner belt is provided with a flame arrester, the device has the characteristics of simple structure, small maintenance amount, long service life and the like.
Description
Technical Field
The utility model relates to an analysis appearance technical field specifically is an online dew point analysis appearance of natural gas.
Background
Dew point measuring instruments are widely used and can be divided into a cold mirror type, a complete absorption electrolysis type, an Al203 electro-compression type, a film capacitance type, a resistance type, a dry-wet ball type and a mechanical type in principle, and the dew point measuring instruments are widely applied to various other middle and micro moisture measuring application fields of petroleum, chemical engineering, cement, metallurgy, steel and drying agent manufacturers and users, semiconductor manufacturing, drying industry, food industry, plastic substrate drying, mechanical manufacturing and air separation industry.
The protection casing that is used for protecting the sensor is installed directly usually to the sensor outside on the present dew point measuring instrument, and this type of protection casing structure is comparatively fixed, makes the dust particle in the air current cause the infringement to the sensor more easily after long-term the use, leads to detecting insensitive condition, and present dew point measuring instrument receives external electrical interference more easily moreover, leads to the stability of instrument relatively poor, for this reason, we provide a natural gas on-line dew point analyzer.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an online dew point analysis appearance of natural gas to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an on-line dew point analyzer for natural gas comprises a shell, a filter, a locking bolt, a pressure regulator, a connecting pipe, an inlet stop valve, a pressure indicator, a heat exchanger, an explosion-proof moisture analyzer, an expansion union body, an electrical junction box, a first flow indicator, an exhaust valve, a safety valve, a discharge port and a second flow indicator, wherein the filter is arranged in the shell, the air inlet of the filter is connected with the connecting pipe, the inlet stop valve is arranged at the outer side of the connecting pipe, the connecting pipe is fixedly arranged on the inner wall of the shell through the locking bolt, the end part of the connecting pipe penetrates through the shell, the discharge port of the filter is connected with the first flow indicator through the connecting pipe, the exhaust port of the first flow indicator penetrates through the shell, the first flow indicator is fixedly arranged in the shell through the locking, the pressure regulator is provided with a pressure indicator, the pressure regulator is connected with a heat exchanger through a connecting pipe, an exhaust port of the heat exchanger is respectively connected with an exhaust port and an expansion complex through a connecting pipe, a safety valve is arranged on the outer side of the connecting pipe between the heat exchanger and the exhaust port, an explosion-proof moisture analyzer is arranged on the outer side of the expansion complex, the end of the expansion complex is connected with an electric junction box, the bottom end of the expansion complex is connected with a second flow indicator through a connecting pipe, an exhaust valve is arranged on the outer side of the connecting pipe between the expansion complex and the second flow indicator, an exhaust port of the second flow indicator penetrates through the shell through the connecting pipe, and the second flow indicator is.
Preferably, a drain valve is installed at the outside of the connection pipe between the filter and the first flow indicator.
Preferably, the discharge port has a horn shape as a whole, and a diameter of an end of the discharge port close to the safety valve is smaller than a diameter of an end of the discharge port far from the safety valve.
Preferably, the connecting pipe is an elastic hose.
Preferably, a conduit is connected to a side wall of the electrical junction box, and an end of the conduit passes through the housing.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses the sensor that uses belongs to capacitanc humidity transducer, the porotic protection casing of sintering during the skin of sensor for prevent the infringement of the dirt particle in the air current to the sensor, the inside is the detecting element who is very sensitive to moisture content, it is with the aluminum sheet of ultra-high purity as the basement, scribble the special moisture absorption layer of one deck, the higher authority covers one deck porotic gold membrane again, form electric capacity between gold membrane and the aluminum sheet, when being surveyed the gas and sweeping the sensor, the hydrone in the gas sees through the micropore on the gold membrane and gets into the moisture absorption layer, condense to liquid water. Since the dielectric constant of water is very high, the capacitance of the sensor is changed, the capacitance of the sensor is detected, the moisture content or dew point in the detected gas is obtained, and although the gas with small molecular volume, such as H2, can also penetrate through the micropores of the gold film to enter the moisture absorption layer, the dielectric constant is very small, which is not enough to cause errors.
2. The utility model discloses use fixed low frequency AC power supply drive sensor, the alternating current signal that the sensor produced sends to phase sensitive amplifier and enlargies and handle and detect, and the direct current signal that detects sends to the instrument indicator. The phase sensitive amplifier adopted by the DF-LY-1 dew point instrument can filter out external electrical interference on a signal line, greatly improves the stability of the instrument, is very suitable for industrial detection and control, adopts a capacitance type humidity sensor, combines a single chip microcomputer control technology, is internally provided with a flame arrester, is an explosion-proof digital dew point instrument, is structurally suitable for being installed in complete equipment, and has the characteristics of simple structure, small maintenance amount, long service life and the like.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1. a housing; 2. a filter; 3. locking the bolt; 4. a drain valve; 5. a pressure regulator; 6. a connecting pipe; 7. an inlet shutoff valve; 8. a pressure indicator; 9. a heat exchanger; 10. an explosion-proof moisture analyzer; 11. an expansion complex; 12. an electrical junction box; 13. a conduit; 14. a first flow indicator; 15. an exhaust valve; 16. a safety valve; 17. a discharge port; 18. a second flow indicator.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: an on-line natural gas dew point analyzer comprises a shell 1, a filter 2, a locking bolt 3, a pressure regulator 5, a connecting pipe 6, an inlet stop valve 7, a pressure indicator 8, a heat exchanger 9, an explosion-proof moisture analyzer 10, an expansion union 11, an electric junction box 12, a first flow indicator 14, an exhaust valve 15, a safety valve 16, a discharge port 17 and a second flow indicator 18, wherein the filter 2 is installed in the shell 1, the inlet of the filter 2 is connected with the connecting pipe 6, the outer side of the connecting pipe 6 is provided with the inlet stop valve 7, the connecting pipe 6 is fixedly installed on the inner wall of the shell 1 through the locking bolt 3, the end part of the connecting pipe 6 penetrates through the shell 1, the discharge port of the filter 2 is connected with the first flow indicator 14 through the connecting pipe 6, the discharge port of the first flow indicator 14 penetrates through the shell 1, and the first flow indicator 14 is fixedly installed in the, the exhaust port of the filter 2 is connected with a pressure regulator 5 through a connecting pipe 6, the pressure regulator 5 is provided with a pressure indicator 8, the pressure regulator 5 is connected with a heat exchanger 9 through the connecting pipe 6, the exhaust port of the heat exchanger 9 is respectively connected with a discharge port 17 and an expansion complex 11 through the connecting pipe 6, the outside of the connecting pipe 6 between the heat exchanger 9 and the discharge port 17 is provided with a safety valve 16, the outside of the expansion complex 11 is provided with an explosion-proof moisture analyzer 10, the end part of the expansion complex 11 is connected with an electric junction box 12, the bottom end of the expansion complex 11 is connected with a second flow indicator 18 through the connecting pipe 6, the outside of the connecting pipe 6 between the expansion complex 11 and the second flow indicator 18 is provided with an exhaust valve 15, the exhaust port of the second flow indicator 18, the second flow indicator 18 is mounted in the housing 1 by means of a locking bolt 3.
A drain valve 4 is installed outside the connection pipe 6 between the filter 2 and the first flow indicator 14.
The whole of the discharge port 17 is in a horn shape, and the diameter of one end of the discharge port 17 close to the safety valve 16 is smaller than that of the other end of the discharge port 17 far away from the safety valve 16, so that the discharge of waste gas in a larger range is facilitated.
Connecting pipe 6 is the elastic hose, sets up connecting pipe 6 into the hose, can effectually prevent that connecting pipe 6 from leading to the condition of rupture because of buckling.
The side wall of the electric junction box 12 is connected with the guide pipe 13, and the end part of the guide pipe 13 penetrates through the shell 1, so that a lead connected in the electric junction box 12 is conveniently placed in the guide pipe 13, a connected electric wire is positioned in the guide pipe 13, the electric wire can be effectively protected, and the electric wire is prevented from being damaged due to long-term friction.
The working principle is as follows: the moisture absorption coating of the dew point instrument sensor has selectivity, can reversely absorb moisture in sample airflow, when airflow containing gaseous moisture passes through, the moisture absorption coating absorbs the moisture in the airflow, thereby the quality of the coating changes, the change of the quality is detected through the change of the fixed vibration frequency of the sensor, the sample firstly enters the shell 1 through the connecting pipe 6, then is decompressed, and passes through the three-way joint, after the flow of the sample is regulated by the pressure regulator 5, the sample is subjected to two-stage filtration through the filter 2, and finally the explosion-proof moisture analyzer 10 is introduced, so that the dew point of the sample gas can be analyzed in real time, the analyzed gas is discharged to a low-pressure recovery pipeline together with the quick bypass gas, the pressure of the recovery pipeline is not more than 0.02MPa, a back flushing port is designed and maintained in the system, and.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an online dew point analysis appearance of natural gas, includes casing (1), filter (2), locking bolt (3), pressure regulator (5), connecting pipe (6), inlet shutoff valve (7), pressure indicator (8), heat exchanger (9), explosion-proof moisture analysis appearance (10), inflation complex body (11), electric junction box (12), first flow indicator (14), discharge valve (15), relief valve (16), discharge port (17) and second flow indicator (18), its characterized in that: install filter (2) in casing (1), the air inlet of filter (2) is connected with connecting pipe (6), and installs import stop valve (7) in the outside of connecting pipe (6), connecting pipe (6) are through locking bolt (3) fixed mounting at casing (1) inner wall, and the tip of connecting pipe (6) passes casing (1), the drain outlet of filter (2) is connected with first flow indicator (14) through connecting pipe (6), the gas vent of first flow indicator (14) passes casing (1), and first flow indicator (14) are through locking bolt (3) fixed mounting in casing (1), the gas vent of filter (2) is connected with pressure regulator (5) through connecting pipe (6), and installs pressure indicator (8) on pressure regulator (5), pressure regulator (5) are connected with heat exchanger (9) through connecting pipe (6), the exhaust port of the heat exchanger (9) is respectively connected with an exhaust port (17) and an expansion complex (11) through a connecting pipe (6), a safety valve (16) is arranged on the outer side of the connecting pipe (6) between the heat exchanger (9) and the discharge port (17), an explosion-proof moisture analyzer (10) is arranged outside the expansion union body (11), the end of the expansion complex (11) is connected with an electric junction box (12), the bottom end of the expansion complex (11) is connected with a second flow indicator (18) through a connecting pipe (6), and an exhaust valve (15) is arranged outside the connecting pipe (6) between the expansion combination body (11) and the second flow indicator (18), the air outlet of the second flow indicator (18) passes through the shell (1) through the connecting pipe (6), the second flow indicator (18) is mounted in the housing (1) by means of a locking bolt (3).
2. The on-line natural gas dew point analyzer of claim 1, wherein: and a drain valve (4) is arranged on the outer side of the connecting pipe (6) between the filter (2) and the first flow indicator (14).
3. The on-line natural gas dew point analyzer of claim 1, wherein: the whole of the discharge port (17) is horn-shaped, and the diameter of one end, close to the safety valve (16), of the discharge port (17) is smaller than that of one end, far away from the safety valve (16), of the discharge port (17).
4. The on-line natural gas dew point analyzer of claim 1, wherein: the connecting pipe (6) is an elastic hose.
5. The on-line natural gas dew point analyzer of claim 1, wherein: a guide pipe (13) is connected to the side wall of the electric junction box (12), and the end of the guide pipe (13) penetrates through the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920643395.5U CN209979536U (en) | 2019-05-04 | 2019-05-04 | Online dew point analyzer of natural gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920643395.5U CN209979536U (en) | 2019-05-04 | 2019-05-04 | Online dew point analyzer of natural gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209979536U true CN209979536U (en) | 2020-01-21 |
Family
ID=69261222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920643395.5U Active CN209979536U (en) | 2019-05-04 | 2019-05-04 | Online dew point analyzer of natural gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209979536U (en) |
-
2019
- 2019-05-04 CN CN201920643395.5U patent/CN209979536U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200403 Address after: No. 909, Xisi Road, Dongying District, Dongying City, Shandong Province Patentee after: SHANDONG DEFENG PETROLEUM EQUIPMENT Co.,Ltd. Address before: Room 202, unit 2, building 26, No.7 Jinan Road, Dongying District, Weifang City, Shandong Province Patentee before: Ren Youde |