CN221238843U - Shale gas oil well pipe coating corrosion resistance experimental device - Google Patents
Shale gas oil well pipe coating corrosion resistance experimental device Download PDFInfo
- Publication number
- CN221238843U CN221238843U CN202322821368.1U CN202322821368U CN221238843U CN 221238843 U CN221238843 U CN 221238843U CN 202322821368 U CN202322821368 U CN 202322821368U CN 221238843 U CN221238843 U CN 221238843U
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- China
- Prior art keywords
- liquid
- box
- shale gas
- box body
- oil well
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- 238000005260 corrosion Methods 0.000 title claims abstract description 15
- 239000003129 oil well Substances 0.000 title claims abstract description 15
- 239000011248 coating agent Substances 0.000 title claims abstract description 14
- 238000000576 coating method Methods 0.000 title claims abstract description 14
- 230000007797 corrosion Effects 0.000 title claims description 9
- 239000007788 liquid Substances 0.000 claims abstract description 85
- 238000005507 spraying Methods 0.000 claims abstract description 5
- 238000005485 electric heating Methods 0.000 claims abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 23
- 238000000746 purification Methods 0.000 claims description 14
- 239000007921 spray Substances 0.000 claims description 8
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 24
- 238000002474 experimental method Methods 0.000 description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003181 biological factor Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to the technical field of shale gas, in particular to an anti-corrosion experimental device for a shale gas oil well pipe coating, which comprises a box body, wherein a bedplate is arranged at the bottom of an inner cavity of the box body, a liquid storage box is fixedly connected to the center of the top of the box body, liquid injection ports are communicated with the top of the liquid storage box, electric heating rods are arranged at equal intervals and staggered on the lower part of the inner cavity of the liquid storage box, a spraying component is arranged on one side of the liquid storage box, a purifying component is arranged on the other side of the liquid storage box, the inner bottom wall of the box body is symmetrically and obliquely arranged, and a liquid collecting port is arranged at the lower end of the inclination of the inner bottom wall of the box body.
Description
Technical Field
The utility model relates to the technical field of shale gas, in particular to a shale gas oil well pipe coating corrosion resistance experimental device.
Background
Shale gas refers to natural gas which is rich in organic matters, mature dark shale or high-carbon shale and has certain biological factors, pyrolysis factors and mixed factors due to the adsorption of the organic matters or the existence of cracks and matrix pores in rock, so that the natural gas is stored and preserved, the shale gas is non-conventional natural gas which is formed in a storage rock system mainly comprising the organic shale, is continuously generated biochemical factor gas, thermal factor gas or the mixture of the two, can exist in natural cracks and pores in a free state, exists on the surfaces of kerogen and clay particles in an adsorbed state, and also is stored in kerogen and asphaltene in a very small amount in a dissolved state, and the free gas proportion is generally 20% -85%.
The oil well pipe is required to be used in exploitation of shale gas, the quality of the oil well pipe is particularly important, an anti-corrosion experiment is required to be carried out on a pipe coating, and therefore an anti-corrosion experiment device is required to be used.
Disclosure of utility model
The utility model aims to provide an anti-corrosion experimental device for a shale gas oil well pipe coating, which can be used for purifying harmful gas generated in the experimental process, so that the harmful gas can be prevented from corroding and damaging indoor articles, and the pollution to the surrounding environment can be avoided, so that the problems in the background technology are solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides an anticorrosive experimental apparatus of shale gas oil well pipe coating, includes the box, the inner chamber bottom of box is equipped with the platen, be equipped with a plurality of stand of placing on the platen, the top center department fixedly connected with liquid reserve tank of box just the top intercommunication of liquid reserve tank has the notes liquid mouth, the inner chamber of liquid reserve tank is off-the-shelf lower equidistant interval arrangement and crisscross being provided with the electrical heating rod, one side of liquid reserve tank is equipped with spray assembly, the opposite side of liquid reserve tank is equipped with purification module, the interior bottom wall of box is symmetrical slope setting just the slope lower extreme of diapire is equipped with the liquid collecting port in the box.
Preferably, the spray assembly comprises a liquid guide tube, one end of the liquid guide tube penetrates through the bottom of the side wall of the liquid storage tank and is communicated with the inner cavity of the liquid storage tank, and the other end of the liquid guide tube penetrates through the top of the side wall of the tank body and extends to the inner cavity of the tank body.
Preferably, the liquid pump is communicated with the liquid guide pipe, and the liquid guide pipe is positioned on the lower surface of the inner cavity of the box body at equal intervals and is communicated with the atomizing spray heads.
Preferably, the purifying component comprises a purifying box, a fan is arranged on the inner side wall of the purifying box, which is far away from the box body, an activated carbon filter screen is arranged on one side of the fan, and the periphery of the activated carbon filter screen is attached to the inner wall of the purifying box.
Preferably, an exhaust pipe is arranged on one side, far away from the fan, of the activated carbon filter screen, the other end of the exhaust pipe penetrates through one end of the top wall of the box body and extends into the box body, and an exhaust hopper is communicated with the end of the exhaust pipe.
Preferably, a liquid discharge pipe is arranged on one side of the box body, a control valve is communicated with the liquid discharge pipe, and one end of the liquid discharge pipe penetrates through the bottom of the side wall of the box body and is communicated with the liquid collecting port.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, the to-be-detected pipe body can be placed through the platen and the placement upright post, the saline solution can be stored through the liquid storage tank, the to-be-detected pipe body can be sprayed through the spraying component so as to carry out an anti-corrosion experiment, and the harmful gas generated in the experiment process can be purified through the purification component, so that the harmful gas can be prevented from corroding and damaging indoor articles, the surrounding environment can be prevented from being polluted, and the waste liquid generated in the experiment can be collected and discharged through the liquid collecting port and the liquid discharge pipe.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is a schematic view of the structure of the liquid storage tank in the depression direction;
Fig. 4 is a schematic view of the structure of the purification assembly of the present utility model.
In the figure: 1. a case; 2. a platen; 3. placing an upright post; 4. a liquid storage tank; 5. an electric heating rod; 6. a catheter; 7. a liquid pump; 8. an atomizing nozzle; 9. a purifying box; 10. a blower; 11. an activated carbon filter screen; 12. an exhaust pipe; 13. an air suction hopper; 14. a liquid collecting port; 15. and a liquid discharge pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.
Referring to fig. 1-4, the present utility model provides a technical solution:
The utility model provides an anticorrosive experimental apparatus of shale gas oil well pipe coating, including box 1, the inner chamber bottom of box 1 is equipped with platen 2, be equipped with a plurality of stand 3 of placing on the platen 2, the top center department fixedly connected with liquid reserve tank 4 of box 1 and the top intercommunication of liquid reserve tank 4 have the notes liquid mouth, the inner chamber of liquid reserve tank 4 is off-the-shelf lower equidistant interval arrangement and crisscross being provided with electric heating rod 5, one side of liquid reserve tank 4 is equipped with spray assembly, the opposite side of liquid reserve tank 4 is equipped with purification module, the interior bottom wall of box 1 is the slope lower extreme of symmetry slope setting and the slope of the interior diapire of box 1 is equipped with liquid collecting port 14.
The spraying assembly comprises a liquid guide tube 6, one end of the liquid guide tube 6 penetrates through the bottom of the side wall of the liquid storage tank 4 and is communicated with the inner cavity of the liquid storage tank 4, the other end of the liquid guide tube 6 penetrates through the top of the side wall of the tank body 1 and extends to the inner cavity of the tank body 1, liquid pumps 7 are communicated on the liquid guide tube 6, the liquid guide tube 6 is arranged on the lower surface of the inner cavity part of the tank body 1 at equal intervals and is communicated with an atomizing nozzle 8, and the spraying assembly can spray a pipe body to be tested so as to perform an anti-corrosion experiment on the pipe body; the purification component comprises a purification box 9, a fan 10 is arranged on the inner side wall of the purification box 9 far away from the box body 1, an activated carbon filter screen 11 is arranged on one side of the fan 10, the periphery of the activated carbon filter screen 11 is attached to the inner wall of the purification box 9, an exhaust pipe 12 is arranged on one side of the activated carbon filter screen 11 far away from the fan 10, the other end of the exhaust pipe 12 penetrates through one end of the top wall of the box body 1 and extends into the box body 1, and an exhaust hopper 13 is communicated with the end of the exhaust pipe, and the purification component can purify harmful gas generated in the experimental process, so that the harmful gas can be prevented from corroding and damaging indoor articles, and pollution to the surrounding environment can be avoided; one side of the box body 1 is provided with a liquid discharge pipe 15, a control valve is communicated with the liquid discharge pipe 15, one end of the liquid discharge pipe 15 penetrates through the bottom of the side wall of the box body 1 and is communicated with a liquid collecting port 14, and the liquid collecting port 14 can collect waste liquid generated in an experiment and control the liquid discharge pipe 15 to discharge the waste liquid through the control valve.
The working flow is as follows: before the experiment, firstly, add saline solution to the liquid storage tank 4 through the liquid injection port, and heat it through the electrical heating stick 5, during the experiment, firstly, sleeve the tube hole of the body to be tested to place on the stand column 3 and place on the platen 2, then start the drawing liquid pump 7, draw saline solution into the catheter 6 through the drawing liquid pump 7 and finally spout through atomizer 8, wait after salt fog sprays to the body to be tested, after reaching the settlement time, observe and evaluate, when discharging gas, start fan 10, fan 10 can make the box 1 produce negative pressure, under the effect of inside and outside pressure difference, make the gas in the box 1 get into exhaust tube 12 through air suction hopper 13 and finally lead into purifying box 9, pass through active carbon filter 11 and discharge purifying treatment to the gas outside of purifying box 9 through active carbon filter 11, the very easily with the abundant contact of toxic harmful gas molecule in the gas, the adsorption field around the active carbon hole can be with the toxic gas molecule suction hole in the hole immediately, thereby set up the bottom wall to the gas purifying hole, the bottom wall is set up to the drain liquid drain valve is controlled in the liquid collecting tank 1, and waste liquid can be discharged through the drain valve 15 in the experiment process.
What is not described in detail in this specification is prior art known to those skilled in the art. Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a shale gas oil well pipe coating corrosion resistance experimental apparatus, includes box (1), its characterized in that: the utility model discloses a liquid collection device, including box (1), inner chamber bottom, bottom plate (2), top center department fixedly connected with liquid reserve tank (4) and the top intercommunication of liquid reserve tank (4) is equipped with platen (2), be equipped with a plurality of stand (3) of placing on platen (2), liquid reserve tank (4) the inner chamber of liquid reserve tank (4) is the lower equidistance interval arrangement and is provided with electric heating rod (5) in a staggered way, one side of liquid reserve tank (4) is equipped with spray assembly, the opposite side of liquid reserve tank (4) is equipped with purification module, the interior bottom wall of box (1) is symmetrical slope setting just the slope lower extreme of diapire is equipped with liquid collecting port (14) in box (1).
2. The shale gas oil well pipe coating corrosion resistance experimental apparatus as claimed in claim 1, wherein: the spraying assembly comprises a liquid guide tube (6), one end of the liquid guide tube (6) penetrates through the bottom of the side wall of the liquid storage tank (4) and is communicated with the inner cavity of the liquid storage tank (4), and the other end of the liquid guide tube penetrates through the top of the side wall of the tank body (1) and extends to the inner cavity of the tank body (1).
3. The shale gas oil well pipe coating corrosion resistance experimental apparatus as claimed in claim 2, wherein: the liquid suction pump (7) is communicated with the liquid guide pipe (6), and the liquid guide pipe (6) is arranged below the inner cavity of the box body (1) at equal intervals and is communicated with the atomizing spray heads (8).
4. The shale gas oil well pipe coating corrosion resistance experimental apparatus as claimed in claim 1, wherein: the purification assembly comprises a purification box (9), wherein the purification box (9) is far away from a fan (10) is arranged on the inner side wall of the box body (1), an activated carbon filter screen (11) is arranged on one side of the fan (10), and the periphery of the activated carbon filter screen (11) is attached to the inner wall of the purification box (9).
5. The shale gas oil well pipe coating corrosion resistance experimental apparatus as claimed in claim 4, wherein: an exhaust pipe (12) is arranged on one side, far away from the fan (10), of the activated carbon filter screen (11), the other end of the exhaust pipe (12) penetrates through one end of the top wall of the box body (1) and extends into the box body (1), and an exhaust hopper (13) is communicated with the end of the exhaust pipe.
6. The shale gas oil well pipe coating corrosion resistance experimental apparatus as claimed in claim 1, wherein: one side of the box body (1) is provided with a liquid discharge pipe (15), a control valve is communicated with the liquid discharge pipe (15), and one end of the liquid discharge pipe (15) penetrates through the bottom of the side wall of the box body (1) and is communicated with the liquid collecting port (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322821368.1U CN221238843U (en) | 2023-10-20 | 2023-10-20 | Shale gas oil well pipe coating corrosion resistance experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322821368.1U CN221238843U (en) | 2023-10-20 | 2023-10-20 | Shale gas oil well pipe coating corrosion resistance experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221238843U true CN221238843U (en) | 2024-06-28 |
Family
ID=91594150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322821368.1U Active CN221238843U (en) | 2023-10-20 | 2023-10-20 | Shale gas oil well pipe coating corrosion resistance experimental device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221238843U (en) |
-
2023
- 2023-10-20 CN CN202322821368.1U patent/CN221238843U/en active Active
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