CN111505026B - Natural gas sand content detection device - Google Patents
Natural gas sand content detection device Download PDFInfo
- Publication number
- CN111505026B CN111505026B CN202010457123.3A CN202010457123A CN111505026B CN 111505026 B CN111505026 B CN 111505026B CN 202010457123 A CN202010457123 A CN 202010457123A CN 111505026 B CN111505026 B CN 111505026B
- Authority
- CN
- China
- Prior art keywords
- fixed cylinder
- ray
- telescopic
- natural gas
- rod
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/03—Investigating materials by wave or particle radiation by transmission
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/10—Different kinds of radiation or particles
- G01N2223/101—Different kinds of radiation or particles electromagnetic radiation
- G01N2223/1013—Different kinds of radiation or particles electromagnetic radiation gamma
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/30—Accessories, mechanical or electrical features
- G01N2223/308—Accessories, mechanical or electrical features support of radiation source
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/30—Accessories, mechanical or electrical features
- G01N2223/316—Accessories, mechanical or electrical features collimators
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/50—Detectors
- G01N2223/505—Detectors scintillation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/60—Specific applications or type of materials
- G01N2223/638—Specific applications or type of materials gas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/60—Specific applications or type of materials
- G01N2223/652—Specific applications or type of materials impurities, foreign matter, trace amounts
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The invention discloses a natural gas sand content detection device, which detects the sand content of natural gas in a pipeline through a gamma ray source, an amplifier and a scintillation probe, fixes the device on the inner wall of a detection pipeline through the expansion and contraction of a first telescopic rod, and adjusts the distance between the first telescopic rod and a second telescopic rod when the detection is needed, so that a ray receiving device at the lower end of the first connecting rod and a ray emitting device at the lower end of the second connecting rod are respectively positioned at the lower ends of a second fixed cylinder and a first fixed cylinder. This device is when using, no matter what kind of angle is fixed on the inner wall that detects the pipeline by first telescopic link, and ray receiver can the one-to-one with the bundle of rays that receives ray emitter and send all the time, consequently can prevent effectively placing, when adjusting detection device, when the inner wall out of plumb of first telescopic link and detection pipeline, the gravel detection error of production.
Description
Technical Field
The invention relates to a detection device, in particular to a natural gas sand content detection device.
Background
Natural gas plays a very critical role in the development of a country and the advancement of industrial science and technology. Natural gas is a main energy source in the twenty-first century because of its environmental protection and high quality.
Oil and gas resources in the nature are mainly located in a loose sandstone stratum, and the rock cementation of the oil and gas resources is weak and the rock is shallow, so that the sand production phenomenon is easy to occur when the oil and gas resources are influenced by fluid dragging and pressure reduction. The natural gas sand production can not only reduce the gas field output of the gas well, but also damage the underground casing and ground equipment, and influence the gathering and transportation system and environmental resources.
The safety of natural gas production is always plagued by the problem of sand production, and people pay more and more attention to the problem. The following sand removing equipment is widely used in gas well fields, but after sand removal, sand-containing monitoring equipment is further used for real-time monitoring.
In the prior art, an acoustic wave method, a resistance method or a ray detection method is generally adopted for detection, wherein the ray detection method adopts a gamma ray source for detection, and the detection is more accurate compared with the traditional resistance method and the traditional acoustic detection method.
Patent CN201721401502.0 discloses a natural gas contains sand monitoring devices adopts the flange to be connected with the pipeline section that is detected, combines the detection mode of rotator, can not cause the interference to the flow of runner fluid, and the ray source is arranged intraductally simultaneously, and the ray protection requires to reduce.
However, the device rotates the rotating body outside the detection pipeline, and the rotating body cannot be accurately rotated to the central position of the detection flow channel, so that the rays cannot be accurately in one-to-one correspondence with the amplifiers, the detection result is easy to deviate, and meanwhile, when the detection pipeline is not detected, the rotating body rotates to the other direction, although the flowing direction of the fluid is not influenced, the detection device is placed in the natural gas transportation pipeline for a long time, and the detection device can be corroded for a long time, so that the result is inaccurate.
Therefore, the sand-containing detection device which can be quickly and accurately positioned and has a more accurate detection result is urgently needed.
Disclosure of Invention
The invention aims to provide a natural gas sand content detection device, which detects the sand content of natural gas in a pipeline through a gamma ray source, an amplifier and a scintillation probe, makes a second fixed cylinder contact with the inner wall of the detection pipeline through the expansion and contraction of a first telescopic rod, and supports and fixes the device on the inner wall of the detection pipeline.
When detection is needed, the distance between the cross section A and the cross section B is shortened, namely the distance between the first telescopic rod and the second telescopic rod is shortened, so that the second connecting rod connected to the third fixed cylinder drives the ray emission device to move downwards from the first fixed cylinder until the ray emission device is positioned at the lower end of the first fixed cylinder; make the head rod of connection on the second telescopic link simultaneously drive ray receiving arrangement and move down from the solid fixed cylinder of second, until being located the lower extreme of the solid fixed cylinder of second, a plurality of ray bundles that ray emission device sent correspond with a plurality of ray receiving arrangement respectively, at this moment, do not shelter from between ray bundle and the ray receiving arrangement who corresponds, ray receiving arrangement can receive the ray that ray emission device sent, consequently can be used to detect the sand-laden condition of natural gas.
Because ray receiving arrangement and the ray receiving emission device who receives the ray emitter of first connecting rod and second connecting rod lower extreme send and restraints a one-to-one all the time, consequently no matter what angle first telescopic link is fixed on the inner wall of detection pipeline, can not influence the receipt of restrainting. Therefore, this device can prevent effectively that first telescopic link from placing when detecting the pipeline inner wall, because artificial factor leads to the inner wall out of plumb of first telescopic link and detection pipeline, and the unsafe problem of grit testing result that produces.
The invention also aims to provide a detection device which is fixed on the inner wall of a detection pipeline, is not only suitable for pipelines with different pipe diameters, but also is convenient to operate when being taken out and placed, can be directly placed quickly and has higher use efficiency; secondly, this device need not set up special detection pipeline, directly place detection device in the pipeline that natural gas self needs to detect can, also need not additionally set up the shield cover outside the pipeline, it is more convenient to use.
Specifically, the detection device comprises a plurality of first telescopic rods and second telescopic rods, one ends of the first telescopic rods are connected with the side surface of a first fixed cylinder with an opening at the lower end, the other ends of the first telescopic rods are respectively connected with the side surface of a second fixed cylinder with an opening at the lower end, and the first telescopic rods are uniformly distributed on a plane where the cross section of the first fixed cylinder is located; the second fixed cylinder is fixed on the inner wall of the detection pipeline through the telescopic support of the first telescopic rod;
therefore, the detection device can be suitable for pipelines with different pipe diameters, the side face of the second fixed cylinder is attached to the inner wall of the detection pipeline by adjusting the length of the first telescopic rod, and the side face of the second fixed cylinder is supported and fixed on the inner wall of the detection pipeline by stretching of the first telescopic rod.
Meanwhile, the upper end of the first fixed cylinder is connected with an adjusting rod, a third fixed cylinder is sleeved on the adjusting rod, one end of a second telescopic rod is connected with the side face of the third fixed cylinder, the other end of the second telescopic rod is connected with the upper end of a first connecting rod respectively, and the lower end of the first connecting rod penetrates through the upper end of the second fixed cylinder and is connected with a ray receiving device; the plane where the second telescopic rod is located is parallel to the plane where the first telescopic rod is located, and the second telescopic rods correspond to the first telescopic rods one by one; the lower end of the third fixed cylinder is connected with the upper end of a second connecting rod, and the lower end of the second connecting rod penetrates through the upper end of the first fixed cylinder and is connected with a ray emitter; the ray emitter and the ray receiver are located on the same plane, the distance between the first telescopic rod and the second telescopic rod is adjustable, the ray emitter is located inside or below the first fixed cylinder during distance adjustment, and the ray receiver is located inside or below the second fixed cylinder.
In an original state, the ray receiving device at the lower end of the first connecting rod is positioned in the second fixed cylinder, and the ray emitting device at the lower end of the second connecting rod is positioned in the first fixed cylinder, so that the ray receiving device is not used for detection.
When needs examine time measuring, place detection device in the detection pipeline, then adjust the length of first telescopic link, after the extension of first telescopic link, drive the solid fixed section of thick bamboo of second on it and remove jointly, the side of the solid fixed section of thick bamboo of second contacts with the inner wall that detects the pipeline, make the side fixed stay of the solid fixed section of thick bamboo of second on the inner wall that detects the pipeline, when first telescopic link extension, the second telescopic link extends jointly along with first telescopic link, first telescopic link and second telescopic link stretch together, can make the contained angle between head rod and the second telescopic link the same all the time, and then the position that keeps head rod lower extreme ray receiving arrangement that can be better, make its better be located the solid fixed section of thick bamboo of second.
After the length of first telescopic link and second telescopic link has been adjusted, further shorten the distance between first telescopic link place plane and the second telescopic link place plane, make the lower extreme of head rod and second connecting rod remove the below from the inside of the solid fixed cylinder of second and first solid fixed cylinder, during the ray that makes ray emission device send can directly convey ray receiving arrangement, begin to detect the grit in the natural gas.
After the detection finishes, increase the distance between first telescopic link place plane and the second telescopic link place plane, ray receiving arrangement and the ray emitter of head rod and second connecting rod lower extreme remove inside from the lower extreme of the solid fixed cylinder of second and first solid fixed cylinder, then shorten the length of first telescopic link and second telescopic link again, can be convenient take out this device from the detection pipeline.
Compared with the existing detection device, the device does not need to be placed in a pipeline for a long time, so that the detection accuracy is not influenced by the operation corrosion of the detection element. Meanwhile, in the detection process, after the first telescopic rod is fixed on the inner wall of the pipeline, even if the plane where the first telescopic rod is located is not parallel to the cross section of the pipeline, the one-to-one correspondence between the ray receiving device and the ray transmitting device cannot be influenced, and therefore the influence caused by human factors can be effectively avoided.
Simultaneously, the flexible fixed section of thick bamboo of second that drives of the first telescopic link of this structure removes, contacts through the side of the fixed section of thick bamboo of second and the inner wall of detection pipeline to support through the fixed section of thick bamboo of second and fix on the inner wall of detection pipeline. The fixed section of thick bamboo of second except supporting fixed effect, still can shorten first telescopic link and second telescopic link to original degree when need not detecting, then when accomodating, protects components and parts among the ray receiving arrangement through the fixed section of thick bamboo of second, prevents that external force from causing the harm to it. The first fixing cylinder is also used for protecting components in the radiation emitting device when being stored.
Specifically, the distance between first telescopic link and the second telescopic link is adjusted through multiple modes, and the regulation pole can be for stretching electronic extending structure, its length of automatically regulated, and then remove first solid fixed cylinder and the solid fixed cylinder of second with ray emitter and ray receiver, detect.
Secondly, adjust the pole and still can be the threaded rod, adjust the pole and be connected through the upper end of pivot with first solid fixed cylinder, adjust the pole and pass through threaded connection with the solid fixed cylinder of third, adjust the distance between first telescopic link and the second telescopic link through the rotation regulation pole. Because a plurality of second telescopic links are connected with a head rod respectively on equalling divide to the lower extreme of head rod passes the upper end of the solid fixed cylinder of second, consequently when the rotation regulation pole, second telescopic link and the solid fixed cylinder of third can not rotate under the effect of head rod, so when the rotation regulation pole, the solid fixed cylinder of third drives the second telescopic link and moves down or rebound, and then the distance between adjustable first telescopic link and the second telescopic link.
Thirdly, the telescopic structure of the first telescopic rod and the second telescopic rod of the device can be in various modes, wherein the first telescopic rod and the second telescopic rod can be electric telescopic rods, and the telescopic rods are directly controlled to stretch out and draw back through a motor by an operator. The telescopic structure is an existing structure, and is simple to operate and low in cost.
The preferred telescopic link structure in this scheme does: the first telescopic link is an electric telescopic link, and the second telescopic link is a telescopic structure sleeved with a plurality of telescopic links.
When the first telescopic link is controlled to stretch, the first telescopic link can drive the second fixed cylinder to move together, and the lower end of the first connecting rod penetrates through the upper end of the second fixed cylinder, so that the first connecting rod can be driven to move together in the stretching process of the first telescopic link. The telescopic link of second telescopic link on it is for removing under the exogenic action of head rod, and then adjusting the length of second telescopic link, like this in use has further simplified the structure, and it is more simple and convenient to operate.
On this basis, be provided with two mutually perpendicular's dead lever on the head rod, the upper end of the fixed section of thick bamboo of second is provided with the recess corresponding with the dead lever, and when the distance between first telescopic link and the second telescopic link shortened, the dead lever was gone into in the recess from the top card of recess.
Because the extension of the second telescopic rod is adjusted by the movement of the first connecting rod, two fixing rods which are vertical to each other are arranged on the first connecting rod, when the ray transmitting device and the ray receiving device are arranged in the first fixed cylinder and the second fixed cylinder, the two fixed rods are positioned above the second fixed cylinder, when the distance between the first telescopic rod and the second telescopic rod is shortened and the ray emitting device and the ray receiving device are positioned below the first fixed cylinder and the second fixed cylinder, the two fixed rods are clamped into the groove at the upper end of the second fixed cylinder, when the first telescopic rod extends, the first connecting rod is further fixed with the second fixed cylinder through the two fixed rods, therefore, when the first telescopic rod stretches, the second fixing cylinder can stably drive the first connecting rod to move, and then the first connecting rod stably drives the second telescopic rod to move.
Preferably, the first connecting rod is sleeved with a protective sleeve for shielding rays, the ray receiving device is located in the protective sleeve, and an opening is formed in the side surface of the protective sleeve and is opposite to the ray bundle of the ray emitter. The protective sheath is used for shielding the ray that the ray transmitter launched, and the opening accessible of protective sheath side is used for the ray that detects, to scintillation probe and amplifier in, because gamma ray's penetrating power is strong, consequently behind scintillation probe and amplifier receipt ray, shields through the protective sheath, avoids causing the influence to people crowd around.
Specifically, the ray emitter comprises a gamma ray source and a collimator, and the collimator enables the gamma ray source to emit narrow beams of gamma rays at a plane angle of 180 degrees. The ray receiving device comprises a scintillation probe and an amplifier.
Furthermore, the upper end of the first fixed cylinder is provided with a protective shell, and when the first telescopic rod is shortened, the first telescopic rod and the second fixed cylinder are both located in the protective shell.
When not detecting, first telescopic link shortens the back, drives the fixed section of thick bamboo of second and is lain in the protective housing jointly, consequently when accomodating, the accessible protective housing is further protects first telescopic link and detection device, is more convenient for accomodate the use.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a side view of the apparatus;
FIG. 2 is a side view of the device under test;
FIG. 3 is a side view of the device when the first telescoping pole and the second telescoping pole are extended;
FIG. 4 is a bottom view of the device;
FIG. 5 is a bottom view of the device when the first telescoping rod is extended;
FIG. 6 is a structure of a second telescopic rod;
FIG. 7 is a schematic structural view of a second fixing cylinder, a first connecting rod and a protective shell;
FIG. 8 is a schematic structural view illustrating the fixing rod being clamped in the groove when the first and second telescopic rods are extended;
fig. 9 is a schematic structural view of the protective shell and the first fixed cylinder.
Reference numbers and corresponding part names in the drawings:
1-a first telescopic rod, 2-a first fixed cylinder, 3-a second fixed cylinder, 4-a second telescopic rod, 41-a fixed end, 42-a telescopic rod, 5-a first connecting rod, 6-a ray receiving device, 7-a second connecting rod, 8-a ray emitter, 9-a connecting plate, 10-an adjusting rod, 11-an upper plate, 12-a connecting plate, 13-a protective sleeve, 14-a third fixed cylinder, 15-a fixed rod, 16-a groove and 17-a protective shell.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
In the description of the present invention, it is to be understood that the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the scope of the present invention.
[ example 1 ]
As shown in fig. 1 and 4, the device comprises six first telescopic rods 1 and six second telescopic rods 4, wherein one ends of the first telescopic rods 1 are connected with the side surface of a first fixed cylinder 2 with an opening at the lower end, the other ends of the first telescopic rods 1 are respectively connected with the side surface of a second fixed cylinder 3 with an opening at the lower end, the first telescopic rods 1 are uniformly distributed on the plane of the cross section of the first fixed cylinder 2, and the structure of the first telescopic rods 1 after being extended is shown in fig. 5; the second fixed cylinder 3 is fixed on the inner wall of the detection pipeline through the telescopic support of the first telescopic rod 1;
the upper end of the first fixed cylinder 2 is connected with one end of an adjusting rod 10 through a rotating shaft, a third fixed cylinder 14 is in threaded connection with the adjusting rod 10, one end of a second telescopic rod 4 is connected with the side face of the third fixed cylinder, the other end of the second telescopic rod is connected with the upper end of a first connecting rod 5, and the lower end of the first connecting rod 5 penetrates through the upper end of the second fixed cylinder 3 and is connected with a ray receiving device 6; the plane of the second telescopic rod 4 is parallel to the plane of the first telescopic rod 1, and the second telescopic rods 4 correspond to the first telescopic rods 1 one by one;
the lower end of the third fixed cylinder 14 is connected with the upper end of the second connecting rod 7, and the lower end of the second connecting rod 7 penetrates through the upper end of the first fixed cylinder 2 and is connected with a ray emitter 8;
the ray emitter 8 and the ray receiving device 6 are located on the same plane, the first telescopic rod 1 and the second telescopic rod 4 are simultaneously telescopic, the distance between the first telescopic rod 1 and the second telescopic rod 4 can be adjusted, when the distance is adjusted, the ray emitter 8 is located inside or below the first fixed barrel 2, and the ray receiving device 6 is located inside or below the second fixed barrel 3.
In this embodiment, the first telescopic link is the electric telescopic handle of which the model is ZTHT, the structure of the second telescopic link is as shown in fig. 6, the second telescopic link 4 includes a fixed end 41 and a plurality of telescopic links 42 sleeved on the fixed end 41, the fixed end 41 of the second telescopic link is connected with the side of the third fixed cylinder 14, the telescopic link far away from the fixed end is connected with the first connecting rod, the lower end of the first connecting rod passes through the upper end of the second fixed cylinder, when not detecting, the device structure is as shown in fig. 1 and 4, the first telescopic link is shortened, and the ray receiving device on the first connecting rod is located in the second fixed cylinder.
When needs examine time measuring, adjust the length of first telescopic link through control button, make the extension of first telescopic link, fix this device in the inside of detecting the pipeline, when first telescopic link is flexible, drive the common extension of second telescopic link through first connecting rod, consequently, when the solid fixed cylinder of second removes, ray receiving arrangement also removes jointly, its structure is as shown in fig. 3, the structure of first telescopic link is shown in fig. 5, examine time measuring to it in needs, can control ray receiving arrangement's spatial position effectively, make it keep on same horizontal plane with ray emitter, and then the ray that the ray sent can be accurate correspond with ray receiving arrangement.
After the position of the device is fixed, the adjusting rod is rotated, the adjusting rod drives a third fixing cylinder which is in threaded connection with the adjusting rod to move up and down in a rotating process, the third fixing cylinder drives a plane where a second telescopic rod is located to move up and down, after the distance between the plane where the second telescopic rod is located and the plane where the first telescopic rod is located is shortened, the structure of the device is shown in figure 2, when the adjusting rod is rotated and the first connecting rod is not extended, the position relation between the first connecting rod and the second connecting rod and the ray receiving device and the ray transmitting device below the first connecting rod and the second connecting rod is shown in figure 2.
In the detection process, after the first connecting rod is extended and the distance between the first telescopic rod and the second telescopic rod is shortened, the structure of the device is shown in fig. 3. The first connecting rod and the second connecting rod move downwards together under the driving of the second telescopic rod and the third fixed cylinder, so that the ray receiving device and the ray emitting device are respectively positioned below the second fixed cylinder and the first fixed cylinder, and then a gamma ray source in the ray emitting device emits six narrow-beam gamma rays at a plane angle of 180 degrees under the action of the collimator, wherein the six narrow-beam gamma rays respectively correspond to scintillation probes and amplifiers in the ray receiving device at the lower ends of the six first connecting rods. Irradiating the gamma ray source in the natural gas in the detection pipeline in the form of narrow beam rays through a collimator; each scintillation probe receives the intensity of the gamma narrow beam ray opposite to the scintillation probe; the electric pulse signal output by the scintillation probe is amplified by the amplifier to form measurable pulses, the pulses are counted, the counting rate can represent the intensity of the incident gamma ray beam, and the sand content and the state of the natural gas are further represented by the intensity of the gamma ray beam.
[ example 2 ]
On the basis of embodiment 1, be provided with two mutually perpendicular's dead lever 15 on the head rod 5, the upper end of the fixed section of thick bamboo 3 of second is provided with the recess 16 corresponding with dead lever 15, this structure is shown in fig. 7, when the distance between first telescopic link 1 and the second telescopic link 4 shortens, second telescopic link 4 drives the head rod and moves down, dead lever 15 is gone into in recess 16 from the top card of recess 16, this structure is shown in fig. 8, consequently, after first telescopic link is flexible, when needing first telescopic link to drive the second telescopic link flexible, can stabilize under the effect of dead lever and drive the second telescopic link flexible jointly through first connecting rod, further improvement availability factor.
Meanwhile, as shown in fig. 8, a protecting sleeve 13 for shielding the ray is sleeved on the first connecting rod 5, the ray receiving device 6 is located in the protecting sleeve 13, the upper end of the protecting sleeve 13 is a connecting plate 12, the first connecting rod 5 passes through the connecting plate 12, the connecting plate 12 is in threaded connection with the first connecting rod 5, and an opening is formed in the side surface of the protecting sleeve 13 and is opposite to the ray bundle of the ray emitter 8. When the protective sleeve is used, the gamma ray beams reaching the amplifier can be shielded by the protective sleeve, and the gamma ray beams are prevented from passing through the detection pipeline to cause radiation to a human body.
[ example 3 ]
As shown in fig. 4, 5, 7, 8 and 9, a protective shell 17 is further disposed at the upper end of the first fixed cylinder 2, the upper end of the first fixed cylinder 2 is connected with a connecting plate 9, the upper end of the connecting plate 9 is provided with a connecting groove, an annular groove is disposed on the inner wall of the connecting groove, an annular projection is disposed on the side surface of the lower end of the adjusting rod 10, the annular projection corresponds to the annular groove, and the adjusting rod is connected to the connecting plate 9 through the annular projection and can rotate on the connecting plate 9. As shown in fig. 8 and 9, the protective shell 17 includes an upper plate 11 and two side plates parallel to each other, the upper plate 11 is provided with a slot, and the first connecting rod passes through the slot and slides along the slot when the first telescopic rod is extended and retracted, wherein when the first telescopic rod 1 is shortened, the first telescopic rod 1 and the second fixed cylinder 3 are both located in the protective shell 17. When not using this device, can protect this device effectively, simultaneously, the material of protective housing and the material of protective sheath are plumbous, therefore the protective housing is when protecting first telescopic link and components and parts, and shielding ray that can be further avoids causing the injury to the human body.
Next, in this embodiment, the side surface of the second fixed cylinder 3 is provided with a plurality of convex strips. Therefore, when the side surface of the second fixed cylinder is contacted with the inner wall of the detection pipeline, the second fixed cylinder can be fixed more stably, and the use efficiency is improved.
In this embodiment, first telescopic link, the second telescopic link is the electric telescopic handle structure with adjusting the pole, when using, first telescopic link, the second telescopic link stretches out and draws back jointly, through adjusting the length of first extension and second telescopic link, make the inner wall of the even detection pipeline of flexible end of the fixed section of thick bamboo of second on the first telescopic link and second telescopic link contact, and then fix this device on the inner wall of detection pipeline, fixed back, through adjusting the length of adjusting the pole, make ray emission device and ray receiving arrangement all remove the below from the fixed section of thick bamboo of first fixed section of thick bamboo and second, and then the ray that ray emission device sent can be corresponding with ray receiving arrangement, and then detect the sand content of natural gas through the intensity of ray.
[ example 4 ]
On embodiment 1's basis, the collection of natural gas all can be handled through the desanding, all can set up the pipeline that is used for detecting the natural gas sand-containing condition specially in this process, and this pipeline one end is connected with the gas transmission end of natural gas, and the other end passes through the pipe connection of connecting tube and transportation.
When carrying out the sand and examining, place this device in the detection pipeline, adjust the length of first telescopic link and make this device fix inside the detection pipeline, when placing, need not guarantee that first telescopic link place plane and detection pipeline's axis is to perpendicular, even placed the slope, can not influence ray emitter and ray receiver's one-to-one yet.
After placing, the regulation pole is rotated, makes ray emitter and ray receiver shift out the below from first solid fixed cylinder and the solid fixed cylinder of second respectively, then passes through connecting tube and gas transmission pipeline with the other end that detects the pipeline and is connected, can detect the sand-containing condition of natural gas at the in-process of gas transmission, after detecting and finishing, closes the gas transmission end that detects the pipeline, breaks off the connection of detection pipeline and gas transmission pipeline, then quick take out this device can.
As used herein, "first," "second," "third," "fourth," "fifth," etc. (e.g., first telescoping rod, second telescoping rod, first fixed barrel, second fixed barrel, third fixed barrel) are used only to distinguish the respective components for clarity of description, and are not intended to limit any order or to emphasize importance, etc. Further, the term "connected" used herein may be either directly connected or indirectly connected via other components without being particularly described.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The natural gas sand content detection device is characterized by comprising a plurality of first telescopic rods (1), a plurality of second telescopic rods (4), a plurality of first connecting rods (5), a plurality of second fixed cylinders (3) with openings at the lower ends and a plurality of ray receiving devices (6);
one end of each first telescopic rod (1) is correspondingly connected with the side surface of each second fixed cylinder (3), the other end of each first telescopic rod (1) is connected with the side surface of the first fixed cylinder (2) with an opening at the lower end, and the first telescopic rods (1) are uniformly distributed on the plane where the cross section A of the first fixed cylinder (2) is located;
the plurality of first connecting rods (5) correspond to the plurality of second fixed cylinders (3) one by one, and the lower ends of the plurality of first connecting rods (5) penetrate through the upper ends of the corresponding second fixed cylinders (3) respectively and are correspondingly connected with the plurality of ray receiving devices (6); the upper ends of the first connecting rods (5) are correspondingly connected with one ends of the second telescopic rods (4), the other ends of the second telescopic rods (4) are connected with the side face of the third fixed cylinder (14), the second telescopic rods (4) are uniformly distributed on the plane of the cross section B of the third fixed cylinder (14), the cross section A is parallel to the cross section B, the third fixed cylinder (14) is connected with the first fixed cylinder (2) through an adjusting rod (10), and the distance between the cross section A and the cross section B can be adjusted through the adjusting rod (10);
the lower end of the third fixed cylinder (14) is connected with the upper end of the second connecting rod (7), and the lower end of the second connecting rod (7) penetrates through the upper end of the first fixed cylinder (2) and is connected with a ray emitter (8);
a plurality of ray bundles emitted by the ray emitter (8) correspond to a plurality of ray receiving devices (6) respectively, a plurality of first telescopic rods (1) and a plurality of second telescopic rods (4) stretch simultaneously, when the distance between the cross section A and the cross section B is adjusted, the ray emitter (8) is located inside or below the first fixed cylinder (2), and the ray receiving devices (6) are located inside or below the second fixed cylinder (3).
2. The natural gas sand content detection device according to claim 1, characterized in that the adjusting rod (10) is connected with the upper end of the first fixed cylinder (2) through a rotating shaft, the third fixed cylinder (14) is sleeved on the adjusting rod (10) and is connected with the adjusting rod through threads, and the distance between the cross section A and the cross section B is adjusted through rotating the adjusting rod (10).
3. The natural gas sand content detection device according to claim 1, wherein the first telescopic rods (1) are electric telescopic rods, and the second telescopic rods (4) comprise fixed ends (41) and a plurality of telescopic rods (42) sleeved on the fixed ends (41).
4. The natural gas sand content detection device according to claim 3, characterized in that two mutually perpendicular fixing rods (15) are arranged on the side surfaces of the first connecting rods (5), grooves (16) corresponding to the fixing rods (15) are arranged at the upper ends of the second fixing cylinders (3), and when the distance between the cross section A and the cross section B is shortened, the fixing rods (15) are clamped into the grooves (16) from the upper side of the grooves (16).
5. The natural gas sand content detection device according to any one of claims 1 to 4, wherein a plurality of first connecting rods (5) are sleeved with protective sleeves (13) for shielding rays, a plurality of ray receiving devices (6) are arranged in the corresponding protective sleeves (13), and the side surfaces of the protective sleeves (13) are provided with openings which are opposite to ray bundles of the ray emitter (8).
6. The natural gas sand content detection device according to claim 1, wherein a protective shell (17) is further arranged at the upper end of the first fixed cylinder (2), and after the first telescopic rod (1) is shortened, the first telescopic rod (1) and the second fixed cylinder (3) are both located in the protective shell (17).
7. The natural gas sand content detection device according to claim 1, characterized in that the ray emitter (8) comprises a gamma ray source and a collimator, and the collimator emits a narrow beam of gamma rays from the gamma ray source at a plane angle of 180 °.
8. The natural gas sand content detection device according to claim 1, wherein a plurality of convex strips are arranged on the side surface of the second fixed cylinder (3).
9. The natural gas sand content detection device according to claim 1, characterized in that the number of the first telescopic rods (1) is not less than 4.
10. The natural gas sand content detection device according to claim 1, characterized in that the ray receiving device (6) comprises a scintillation probe and an amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010457123.3A CN111505026B (en) | 2020-05-26 | 2020-05-26 | Natural gas sand content detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010457123.3A CN111505026B (en) | 2020-05-26 | 2020-05-26 | Natural gas sand content detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111505026A CN111505026A (en) | 2020-08-07 |
| CN111505026B true CN111505026B (en) | 2020-12-08 |
Family
ID=71868496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010457123.3A Active CN111505026B (en) | 2020-05-26 | 2020-05-26 | Natural gas sand content detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111505026B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005195459A (en) * | 2004-01-07 | 2005-07-21 | Toshiba Corp | Monitor for product conveyance |
| CN205493853U (en) * | 2016-01-31 | 2016-08-24 | 山东宝典医疗科技有限公司 | X -ray photography system |
| CN205876296U (en) * | 2016-08-09 | 2017-01-11 | 胜利油田东强仪器仪表制造有限责任公司 | Logging instrument |
| CN106596193B (en) * | 2016-11-02 | 2019-12-06 | 浙江水利水电学院 | River channel multipoint water quality monitoring device and monitoring method thereof |
| CN207133205U (en) * | 2017-07-14 | 2018-03-23 | 宁波明峰检验检测研究院股份有限公司 | Pipeline ray detection fixing device |
| CN207516276U (en) * | 2017-10-26 | 2018-06-19 | 西南石油大学 | A kind of natural gas detection device containing sand |
| CN107561231A (en) * | 2017-11-01 | 2018-01-09 | 安徽省葛根生产力促进中心有限公司 | A kind of pipe detection device |
-
2020
- 2020-05-26 CN CN202010457123.3A patent/CN111505026B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111505026A (en) | 2020-08-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11474053B2 (en) | Scanning method and apparatus comprising a buoyancy material and a remotely operated vehicle (ROV) for scanning an underwater pipeline or a process vessel | |
| KR100478251B1 (en) | Apparatus for measuring corrosion thickness of insulated pipeline | |
| US9541670B2 (en) | In-situ downhole X-ray core analysis system | |
| US10067076B2 (en) | Scanning method | |
| JP2013501929A (en) | New radiation detector | |
| CN106772548B (en) | Neutron (-detecting) phosphor position sensitive detector test system and method | |
| CN111505026B (en) | Natural gas sand content detection device | |
| US11262462B2 (en) | Detection method and detector apparatus for correcting count rate for dead time | |
| CN216284786U (en) | Density and concentration detection device | |
| CN111119872A (en) | Measurement while drilling device | |
| CN109507715B (en) | Multiphase flow full-section phase fraction measuring device and method based on ray coincidence measurement | |
| JP2004505242A (en) | Apparatus and method for in-situ measurement of residual surface stress | |
| CN209727808U (en) | A kind of high precision neutron non-destructive testing device | |
| CN202372427U (en) | Dryness testing device of thermal production well | |
| CN109633730A (en) | The positioning system and localization method of radioactive source | |
| CN102519835B (en) | Device for measuring dryness of thermal recovery well and method thereof | |
| CN115752310A (en) | Integrated acoustic wave and drilling imaging loosening ring testing device and testing method | |
| Pinfold | LUCID, THE LUMINOSITY MONITOR FOR ATLAS–A STATUS REPORT | |
| SE462771B (en) | Method of measuring the radiation activity of an object under water by means of collimated gamma-spectrometric underwater measurement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201116 Address after: No.138, Dayuan village, Chang'an Town, Jixi County, Xuancheng City, Anhui Province Applicant after: Jixi Zhixu Intelligent Technology Development Co.,Ltd. Address before: No.3, floor 3, unit 2, building 70, No.148, South Section 1, Zhongshan Avenue, Luocheng Town, Guanghan City, Deyang City, Sichuan Province Applicant before: Gao Youhua |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230907 Address after: No. 43 Gongchen North Street, Liangxiang, Fangshan District, Beijing, 102401 Patentee after: Beijing Gas Fangshan Co.,Ltd. Address before: No. 138 Dayuan Village, Chang'an Town, Jixi County, Xuancheng City, Anhui Province, 242544 Patentee before: Jixi Zhixu Intelligent Technology Development Co.,Ltd. |
|
| TR01 | Transfer of patent right |