CN115290588A - Online toxic gas detector of oil field united station based on laser technology - Google Patents
Online toxic gas detector of oil field united station based on laser technology Download PDFInfo
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- CN115290588A CN115290588A CN202211224512.7A CN202211224512A CN115290588A CN 115290588 A CN115290588 A CN 115290588A CN 202211224512 A CN202211224512 A CN 202211224512A CN 115290588 A CN115290588 A CN 115290588A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/10—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations
- F16L27/1012—Flanged joints
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/027—Throttle passages
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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Abstract
The invention provides an online toxic gas detector for an oil field united station based on a laser technology, and relates to the technical field of toxic gas detection devices. The technical scheme is as follows: the device comprises a sleeve, wherein connecting pipes are symmetrically communicated at the eccentric part of the sleeve, the connecting pipes are communicated with corrugated pipes, a laser gas analyzer used for detecting toxic gas in natural gas is fixedly connected with the corrugated pipes, the laser gas analyzer penetrates through the adjacent corrugated pipes and the connecting pipes, the laser gas analyzer is positioned at the center of the adjacent corrugated pipes and the connecting pipes, and the laser emitting end of the laser gas analyzer coincides with the central axis of the laser receiving end. The corrugated pipe shakes to prevent vibration from being transmitted to the laser gas analyzer, so that the laser gas analyzer is kept in a static state all the time, and the laser gas analyzer is prevented from being vibrated by sleeve pipe transmission, so that the light path of the laser gas analyzer is deviated, and the deviation of the laser gas analyzer on the detection value of the toxic gas in the natural gas conveying pipeline is caused.
Description
Technical Field
The invention relates to the technical field of toxic gas detection devices, in particular to an online toxic gas detector of an oil field combined station based on a laser technology.
Background
The natural gas refers to a natural mixture of hydrocarbons and non-hydrocarbon gases which are hidden in a stratum, the natural gas is non-toxic, but the natural gas which is just mined can be mixed with toxic gases such as hydrogen sulfide and mercury, the hydrogen sulfide and the mercury gas corrode a natural gas conveying pipeline, the natural gas pipeline is timely maintained by detecting the toxic gases in the natural gas in real time, and serious personal injury and environmental pollution caused by leakage of the toxic natural gas are avoided.
The existing method for monitoring toxic gas in natural gas in real time is to insert a laser gas analyzer into a natural gas conveying pipeline through a flange plate, and to determine gas components in the natural gas by analyzing the absorption condition of laser by gas, but when the natural gas conveying pipeline conveys the natural gas, the pressure fluctuation of the natural gas can cause the natural gas conveying pipeline to generate vibration, the natural gas conveying pipeline can transmit the vibration to the laser gas analyzer, so that the laser gas analyzer vibrates, the long-time vibration can cause the laser light path of the laser gas analyzer to deviate, and the accuracy of receiving and analyzing the laser by the laser gas analyzer is influenced.
Disclosure of Invention
In order to overcome the defects in the prior art, the on-line toxic gas detector based on the laser technology for the oil field united station is provided.
The technical scheme of the invention is as follows: an online toxic gas detector of an oil field combined station based on laser technology comprises a sleeve, connecting pipes are symmetrically communicated at the eccentric position of the sleeve, the connecting pipes are communicated with corrugated pipes, the corrugated pipes are fixedly connected with laser gas analyzers for detecting toxic gas in natural gas, the laser gas analyzers penetrate through the adjacent corrugated pipes and the adjacent connecting pipes, the laser gas analyzers are positioned at the centers of the adjacent corrugated pipes and the adjacent connecting pipes, and the central axes of the laser emitting ends and the laser receiving ends of the laser gas analyzers are coincident with each other; the inner wall rigid coupling that connecting pipe one side was kept away from to the bellows has solid fixed ring, and laser gas analyzer slides and is provided with the diaphragm, and the diaphragm sets up to elastic material and with laser gas analyzer sealing fit for cushion the impact of natural gas pipeline internal pressure to laser gas analyzer and bellows junction.
Further, a bottom plate is arranged below the sleeve, support columns are symmetrically and fixedly connected to the bottom plate, a fixing frame is arranged between the support columns on the same side, the fixing frame is fixedly connected with the laser gas analyzer, the support columns are telescopic rods with a fixing function, and the distance between the sleeve and the bottom plate is adjusted through the support columns to adapt to the distance between a natural gas conveying pipeline and the ground.
Further, the connecting pipes are circumferentially and equidistantly provided with connecting rods, limiting rings are fixedly connected between the connecting rods, the limiting rings are arranged at the connecting positions of the laser gas analyzer and the corrugated pipe in a surrounding mode, the connecting rods are used for limiting the vibration amplitude between the connecting pipes and the laser gas analyzer, and collision between the laser gas analyzer and the connecting pipes is prevented.
Furthermore, the inner ring surface of the limiting ring is provided with a buffer sleeve for protecting the laser gas analyzer.
Furthermore, a partition plate is fixedly connected to the middle of the sleeve, the partition plate divides the sleeve into two cavities with the same volume, the cross sectional areas of the two cavities of the sleeve are the same as the cross sectional area of the natural gas conveying pipeline, the natural gas is prevented from entering the sleeve to generate pressure change, and a filter screen for filtering impurities in the natural gas conveying pipeline is fixedly connected between one side of the partition plate and the sleeve.
Furthermore, the filter screen is arranged to be inclined, so that impurities on the filter screen can be conveniently separated.
Further, the middle part of filter screen runs through the formula and rotates and be connected with the axis of rotation, and the one end rigid coupling that the air inlet was kept away from to the axis of rotation has the turbofan, and the other end rigid coupling of axis of rotation has the clearance board that is used for clearing up filter screen impurity.
Further, the intraductal protecting against shock subassembly that is used for protecting laser gas analyzer that is provided with of cover, protecting against shock subassembly is including the closing plate of symmetry, the closing plate links in the baffle through the pivot, the sleeve pipe is passed in the pivot of one of them closing plate, the sleeve pipe rigid coupling has driving motor, driving motor is connected with laser gas analyzer electricity, sealing connection between driving motor and the sleeve pipe, driving motor's output shaft and the pivot rigid coupling of closing plate, the middle part of baffle is provided with the recess, the recess internal rotation of baffle is connected with the transfer line, the transfer line passes through bevel gear with the pivot of adjacent closing plate, be close to and install the pressure sensor who is used for detecting natural gas pressure on the natural gas conveying pipeline of sleeve pipe inlet end, pressure sensor is connected with laser gas analyzer electricity.
Further, the sealing plate is circumferentially provided with a sealing ring made of soft materials, and the sealing effect among the sealing plate, the sleeve and the partition plate is improved.
The invention has the beneficial effects that:
1. the corrugated pipe shakes to prevent vibration from being transmitted to the laser gas analyzer, so that the laser gas analyzer is kept in a static state all the time, and the laser gas analyzer is prevented from being vibrated by sleeve pipe transmission, so that the light path of the laser gas analyzer is deviated, and the deviation of the laser gas analyzer on the detection value of the toxic gas in the natural gas conveying pipeline is caused.
2. The limiting ring limits the vibration amplitude of the connecting pipe, and the laser gas analyzer is prevented from being damaged due to collision caused by the fact that the inner wall of the connecting pipe collides with the laser gas analyzer.
3. The diaphragm is impacted to take place deformation and is cushioned the atmospheric pressure impact of natural gas after receiving the impact, avoids the natural gas to strike the junction that laser gas analysis appearance and bellows and cause the leakage.
4. The filter screen filters the impurity in the natural gas, avoids the impurity in the natural gas to cover laser gas analyzer's window, causes the light path between laser gas analyzer to receive the hindrance, leads to laser gas analyzer to detect the inaccuracy to the toxic gas.
5. The turbofan passes through the axis of rotation and drives the rotation of clearance board, and clearance board circumferential direction clears up the impurity on the filter screen, avoids the impurity influence natural gas on the filter screen normally to flow at the baffle upside.
6. Natural gas flows rightwards from the cavity on the lower side of the partition plate, so that the natural gas pressure impact is avoided to cause the laser gas analyzer to vibrate, and the deviation of a light path after the laser gas analyzer is impacted is caused to detect inaccurate numerical values.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic sectional perspective view of the present invention.
Fig. 3 is a partial bottom perspective view of the present invention.
Fig. 4 is a schematic sectional perspective view of the bellows of the present invention.
Fig. 5 is a schematic perspective view of a stop collar of the present invention.
Fig. 6 is a schematic sectional partial perspective view of the present invention.
Fig. 7 is a schematic side-view perspective structure of the filter screen of the present invention.
Figure 8 is a perspective view of the impact assembly of the present invention.
In the reference symbols: 1-sleeve pipe, 2-connecting pipe, 3-corrugated pipe, 4-laser gas analyzer, 5-bottom plate, 6-supporting column, 7-fixing frame, 8-fixing ring, 9-diaphragm, 10-connecting rod, 11-limiting ring, 12-clapboard, 13-filter screen, 14-rotating shaft, 15-turbofan, 16-cleaning plate, 17-sealing plate, 18-driving motor and 19-driving rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The utility model provides an online toxic gas detector of oil field united station based on laser technology, refer to fig. 1-4, including sleeve pipe 1, the eccentric department symmetrical formula intercommunication of sleeve pipe 1 has connecting pipe 2, connecting pipe 2 intercommunication has bellows 3, bellows 3 has laser gas analyzer 4 that is used for detecting toxic gas in the natural gas through flange bolted connection, laser gas analyzer 4 passes adjacent bellows 3 and connecting pipe 2, laser gas analyzer 4 is located the central department of adjacent bellows 3 and connecting pipe 2, the laser emission end of laser gas analyzer 4 and the axis of laser receiving end coincide each other, bellows 3 prevents vibrations conduction to laser gas analyzer 4, make laser gas analyzer 4 remain quiescent condition all the time, avoid laser gas analyzer 4 to receive the vibrations of sleeve pipe 1 transmission, lead to the light path of laser gas analyzer 4 to take place the skew, the below of sleeve pipe 1 is provided with bottom plate 5, bottom plate 5 symmetrical formula welding has support column 6, the welding has 7 between the support column 6 of homonymy, 7 and laser gas analyzer 4 pass through bolted connection, cause the atmospheric pressure fluctuation in the natural gas pipeline, the bellows 3 vibrations of vibration prevention transmit to gas analyzer 4, it protects the mount to be provided with the laser gas analyzer 4 to avoid laser gas analyzer to receive shock the shock protection light path subassembly.
Referring to fig. 3, the supporting column 6 is provided with a telescopic rod with a fixing function, the supporting column 6 adjusts the distance between the sleeve 1 and the bottom plate 5 to adapt to the distance between the natural gas conveying pipeline and the ground, and the laser gas analyzer 4 is located at the center of the connecting pipe 2 by adjusting the telescopic length of the supporting column 6, so that the laser gas analyzer 4 is prevented from deviating from the connecting pipe 2.
Referring to fig. 4, bellows 3 keeps away from the inner wall rigid coupling of connecting pipe 2 one side and has solid fixed ring 8, 4 sliding connection of laser gas analysis appearance have diaphragm 9, diaphragm 9 sets up to elastic material and with 4 sealed cooperations of laser gas analysis appearance, the diaphragm 9 is strikeed in the natural gas flow, diaphragm 9 receives to take place to deform after strikeing and strikees the atmospheric pressure of natural gas and cushion, avoid the natural gas to strike laser gas analysis appearance 4 and bellows 3's junction and cause the leakage.
Referring to fig. 5, connecting pipe 2 circumference equidistant bolted connection has connecting rod 10, the welding has spacing ring 11 between the connecting rod 10, the interior anchor ring of spacing ring 11 is provided with the cushion collar that is used for protecting laser gas analyzer 4, the cushion collar cushions the impact force between spacing ring 11 and the laser gas analyzer 4, avoid taking place to strike between spacing ring 11 and the laser gas analyzer 4 and produce vibrations and cause the light path skew, spacing ring 11 is around establishing the junction at laser gas analyzer 4 and bellows 3, connecting rod 10 is used for injecing the vibration range between connecting pipe 2 and the laser gas analyzer 4, spacing ring 11 limits the vibration range of connecting pipe 2, avoid the inner wall of connecting pipe 2 and the striking of laser gas analyzer 4, cause laser gas analyzer 4 to receive the collision damage.
Referring to fig. 1 and 6, a partition plate 12 is welded in the middle of a sleeve 1, the partition plate 12 divides the sleeve 1 into two cavities with the same volume, the cross-sectional areas of the two cavities of the sleeve 1 are the same as the cross-sectional area of a natural gas conveying pipeline, so that natural gas is prevented from entering the sleeve 1 to generate pressure change, a filter screen 13 for filtering impurities in the natural gas conveying pipeline is fixedly connected between the left side of the partition plate 12 and the sleeve 1, the filter screen 13 filters the impurities in the natural gas, the impurities in the natural gas are prevented from covering a window of a laser gas analyzer 4, a light path between the laser gas analyzers 4 is prevented, the laser gas analyzer 4 is inaccurate in detection of toxic gas, the filter screen 13 is set to be inclined, and the impurities on the filter screen 13 can be conveniently separated.
Referring to fig. 7, the middle part of filter screen 13 is run through and is rotated and be connected with axis of rotation 14, and axis of rotation 14 is kept away from the right-hand member key-type connection of air inlet and is had turbofan 15, and the left end welding of axis of rotation 14 has the cleaning plate 16 that is used for clearing up filter screen 13 impurity, and cleaning plate 16 clears up the impurity on the filter screen 13, avoids the impurity influence natural gas on the filter screen 13 normally to flow at baffle 12 upside.
Referring to fig. 8, the anti-impact assembly includes symmetrical sealing plates 17, the sealing plates 17 are connected to the partition 12 through a rotating shaft, a sealing ring made of soft material is circumferentially disposed on each sealing plate 17, the sealing effect between each sealing plate 17 and the corresponding sleeve 1 and between the corresponding partition 12 is increased, the rotating shaft of the sealing plate 17 on the right side penetrates through the corresponding sleeve 1, the sleeve 1 is bolted to the corresponding driving motor 18, the driving motor 18 is electrically connected to the laser gas analyzer 4, the driving motor 18 is hermetically connected to the sleeve 1, an output shaft of the driving motor 18 is welded to the rotating shaft of the sealing plate 17 on the right side, a groove is formed in the middle of the partition 12, a driving rod 19 is rotatably connected to the groove of the partition 12, the driving rod 19 and the rotating shaft of the adjacent sealing plate 17 are driven through a bevel gear, cavities on the partition 12 are sealed by the two sealing plates 17, natural gas pressure impact is prevented from causing the laser gas analyzer 4 to vibrate, so that the light path of the laser gas analyzer 4 is inaccurate in offset detection value, a pressure sensor for detecting natural gas pressure is installed on a natural gas conveying pipeline close to the air inlet end of the sleeve 1, and the laser gas analyzer 4 is electrically connected to the laser gas analyzer.
Connect sleeve pipe 1 on the pipeline of natural gas, sleeve pipe 1's left end is passed through the ring flange and is given vent to anger end ring flange sealing connection with natural gas pipeline, sleeve pipe 1's right-hand member and natural gas pipeline output intercommunication, staff adjusts the flexible length of support column 6, make bottom plate 5 contact ground and pass through the bolt fastening, laser gas analyzer 4 is located the central part of connecting pipe 2, avoid taking place the skew between laser gas analyzer 4 and the connecting pipe 2, lead to sleeve pipe 1 small amplitude vibrations, cause and collide between laser gas analyzer 4 and the connecting pipe 2, laser gas analyzer 4's transmitting end is to receiving terminal transmission laser, the natural gas is through the light path between laser gas analyzer 4, laser gas analyzer 4 is according to the poisonous gas content in the decay condition analysis of laser goes out the natural gas.
In-process of pipeline transport natural gas, pressure fluctuation in the natural gas pipeline leads to pipeline to produce vibrations, the vibrations of production are conducted to sleeve pipe 1 along natural gas pipeline, when sleeve pipe 1 produces vibrations, two bellows 3 are along rocking, bellows 3 prevent vibrations conduction to laser gas analyzer 4, make laser gas analyzer 4 remain quiescent condition all the time, avoid laser gas analyzer 4 to receive the vibrations of sleeve pipe 1 transmission, lead to the light path between the laser gas analyzer 4 to take place the skew, make laser gas analyzer 4 detect numerical value to produce the deviation to poisonous gas in the natural gas pipeline.
Meanwhile, the limiting ring 11 is matched with the joint of the laser gas analyzer 4 and the corrugated pipe 3, the vibration amplitude of the connecting pipe 2 is limited, when the vibration amplitude of the connecting pipe 2 is too large, the connecting pipe 2 drives the limiting ring 11 to move through the connecting rod 10, the joint of the laser gas analyzer 4 and the corrugated pipe 3 is in contact with the limiting ring 11, the buffer sleeve buffers the impact force between the limiting ring 11 and the laser gas analyzer 4, the situation that the limiting ring 11 collides with the laser gas analyzer 4 to generate vibration to cause light path deviation is avoided, meanwhile, the limiting ring 11 limits the vibration amplitude of the connecting pipe 2, the situation that the inner wall of the connecting pipe 2 collides with the laser gas analyzer 4 to cause the laser gas analyzer 4 to be damaged by collision is avoided, and when the natural gas conveying pipeline stops vibrating, the connecting pipe 2 and the limiting ring 11 reset again.
The junction of the pressure fluctuation impact laser gas analyzer 4 and the bellows 3 in the natural gas conveying pipeline, the pressure in the natural gas conveying pipeline increases, the natural gas flows and impacts the diaphragm 9, the diaphragm 9 is impacted and then deforms to buffer the gas pressure impact of the natural gas, the natural gas is prevented from impacting the junction of the laser gas analyzer 4 and the bellows 3 to cause leakage, and when the pressure in the natural gas conveying pipeline is restored to the initial state, the diaphragm 9 resets again.
When natural gas flows through the sleeve 1, the natural gas flows rightwards from cavities on the upper side and the lower side of the partition 12, the natural gas flowing through the upper side of the partition 12 passes through the filter screen 13, the filter screen 13 filters impurities in the natural gas, the situation that the impurities in the natural gas cover windows of the laser gas analyzer 4 is avoided, and a light path between the laser gas analyzer 4 is obstructed is caused, so that the laser gas analyzer 4 cannot accurately detect toxic gas, the natural gas flows along the sleeve 1 to enable the turbofan 15 to drive the cleaning plate 16 to rotate through the rotating shaft 14, the impurities on the filter screen 13 are cleaned by circumferential rotation of the cleaning plate 16, the situation that the filter screen 13 is blocked by the impurities on the filter screen 13 is avoided, the flow area of the natural gas is influenced, the filter screen 13 is set to be inclined, the cleaned impurities flow rightwards from the lower side of the partition 12 along with the natural gas, the situation that the filter screen 13 is perpendicular to the flow direction of the natural gas is avoided, and the impurities are difficult to be separated from the filter screen 13 due to impact force of the natural gas.
When natural gas flows rightwards, a pressure sensor installed on a natural gas conveying pipeline detects that the pressure of the natural gas is increased, the pressure sensor transmits generated electric signals to a laser gas analyzer 4 after being extruded, the laser gas analyzer 4 starts a driving motor 18, an output shaft of the driving motor 18 drives a sealing plate 17 on the right side to rotate 90 degrees, the sealing plate 17 on the right side is driven by a transmission rod 19 and a bevel gear to synchronously drive the sealing plate 17 on the left side to rotate 90 degrees, the two sealing plates 17 are both in sealing connection with a sleeve 1 and a partition plate 12, after the two sealing plates 17 seal a cavity on the upper side of the partition plate 12, the natural gas flows rightwards from the cavity on the lower side of the partition plate 12, the phenomenon that the laser gas analyzer 4 shakes due to the impact of the natural gas pressure is avoided, the optical path of the laser gas analyzer 4 is inaccurate in deviation detection value is caused, when the pressure sensor detects that the natural gas pressure is restored to a stable state, the pressure sensor generates the electric signals and is transmitted to the laser gas analyzer 4, the laser gas analyzer 4 starts the driving motor 18 to reset the two sealing plates 17, and the natural gas flows rightwards again along the two cavities on the upper side and the lower side of the partition plate 12.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
Claims (9)
1. The utility model provides an online toxic gas detector of oil field united station based on laser technology, including sleeve pipe (1), its characterized in that: the eccentric part of the sleeve (1) is symmetrically communicated with a connecting pipe (2), the connecting pipe (2) is communicated with a corrugated pipe (3), the corrugated pipe (3) is fixedly connected with a laser gas analyzer (4) for detecting toxic gas in natural gas, the laser gas analyzer (4) penetrates through the adjacent corrugated pipe (3) and the connecting pipe (2), the laser gas analyzer (4) is positioned at the center of the adjacent corrugated pipe (3) and the connecting pipe (2), and the laser emitting end of the laser gas analyzer (4) and the central axis of the laser receiving end are superposed with each other; the inner wall of one side, away from connecting pipe (2), of bellows (3) is fixedly connected with a fixing ring (8), laser gas analyzer (4) is provided with a diaphragm (9) in a sliding mode, and diaphragm (9) is made of elastic materials and is in sealing fit with laser gas analyzer (4) and used for buffering impact of the internal pressure of the natural gas conveying pipeline on the connecting portion of laser gas analyzer (4) and bellows (3).
2. The online toxic gas detector of the oil field united station based on the laser technology as claimed in claim 1, characterized in that: the lower part of sleeve pipe (1) is provided with bottom plate (5), bottom plate (5) symmetry formula rigid coupling has support column (6), is provided with mount (7) between support column (6) of homonymy, mount (7) and laser gas analysis appearance (4) rigid coupling, and support column (6) set up to the telescopic link that has fixed function, and support column (6) are adjusted the distance between sleeve pipe (1) and bottom plate (5) for adapt to the distance between natural gas pipeline and the ground.
3. The online toxic gas detector of the oil field united station based on the laser technology as claimed in claim 2, characterized in that: connecting pipe (2) circumference equidistant is provided with connecting rod (10), and the rigid coupling has spacing ring (11) between connecting rod (10), and spacing ring (11) are around establishing the junction at laser gas analysis appearance (4) and bellows (3), and connecting rod (10) are used for injecing the vibration range between connecting pipe (2) and laser gas analysis appearance (4), prevent to bump between laser gas analysis appearance (4) and connecting pipe (2).
4. The online toxic gas detector of the oil field united station based on the laser technology as claimed in claim 3, characterized in that: and the inner ring surface of the limiting ring (11) is provided with a buffer sleeve for protecting the laser gas analyzer (4).
5. The online toxic gas detector of the oil field united station based on the laser technology as claimed in claim 1, characterized in that: the middle part rigid coupling of sleeve pipe (1) has baffle (12), and baffle (12) are separated into two cavities that the volume is the same with sleeve pipe (1), and the cross-sectional area of two cavities of sleeve pipe (1) is the same with natural gas pipeline cross-sectional area, prevents that the natural gas from getting into sleeve pipe (1) and produces pressure variation, and the rigid coupling has filter screen (13) that are used for filtering impurity in the natural gas pipeline between one side of baffle (12) and sleeve pipe (1).
6. The online toxic gas detector of the oilfield united station based on the laser technology as claimed in claim 5, wherein: the filter screen (13) is arranged to be inclined, so that impurities on the filter screen (13) can be separated conveniently.
7. The online toxic gas detector of the oilfield united station based on the laser technology as claimed in claim 5, wherein: the middle part of filter screen (13) runs through the formula and rotates and be connected with axis of rotation (14), and the one end rigid coupling that the air inlet was kept away from in axis of rotation (14) has turbofan (15), and the other end rigid coupling of axis of rotation (14) has clearance board (16) that are used for clearing up filter screen (13) impurity.
8. The online toxic gas detector of the oil field united station based on the laser technology as claimed in claim 5, characterized in that: be provided with the protecting against shock subassembly that is used for protecting laser gas analysis appearance (4) in sleeve pipe (1), protecting against shock subassembly is including symmetrical closing plate (17), closing plate (17) link in baffle (12) through the pivot, sleeve pipe (1) is passed in the pivot of one of them closing plate (17), sleeve pipe (1) rigid coupling has driving motor (18), driving motor (18) are connected with laser gas analysis appearance (4) electricity, sealing connection between driving motor (18) and sleeve pipe (1), the output shaft of driving motor (18) and the pivot rigid coupling of closing plate (17), the middle part of baffle (12) is provided with the recess, the recess internal rotation of baffle (12) is connected with transfer line (19), transfer line (19) pass through bevel gear with the pivot of adjacent closing plate (17) and transmit, be close to installing the pressure sensor who is used for detecting natural gas pressure on the natural gas conveying pipeline of sleeve pipe (1) inlet end, pressure sensor is connected with laser gas analysis appearance (4) electricity.
9. The online toxic gas detector of the oilfield united station based on the laser technology as claimed in claim 8, wherein: the sealing plate (17) is circumferentially provided with a sealing ring made of soft materials and used for increasing the sealing effect among the sealing plate (17), the sleeve (1) and the partition plate (12).
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| CN202211224512.7A CN115290588B (en) | 2022-10-09 | 2022-10-09 | Online toxic gas detector of oil field united station based on laser technology |
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| CN202211224512.7A CN115290588B (en) | 2022-10-09 | 2022-10-09 | Online toxic gas detector of oil field united station based on laser technology |
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| CN115290588B CN115290588B (en) | 2022-12-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117027770A (en) * | 2023-09-26 | 2023-11-10 | 奥宸科技有限公司 | Gas well wellhead pressure real-time monitoring device |
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| CN115112632A (en) * | 2022-07-11 | 2022-09-27 | 浙江大学 | Aerosol chemical reaction device based on double-camera multi-optical-trap optical tweezers |
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| CN117027770B (en) * | 2023-09-26 | 2023-12-29 | 奥宸科技有限公司 | Gas well wellhead pressure real-time monitoring device |
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