CN113431549A - Automatic liquid-discharging sand-removing separator - Google Patents
Automatic liquid-discharging sand-removing separator Download PDFInfo
- Publication number
- CN113431549A CN113431549A CN202110888473.XA CN202110888473A CN113431549A CN 113431549 A CN113431549 A CN 113431549A CN 202110888473 A CN202110888473 A CN 202110888473A CN 113431549 A CN113431549 A CN 113431549A
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- Prior art keywords
- fixedly connected
- connecting pipe
- side wall
- shell
- pipe
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Links
- 238000007599 discharging Methods 0.000 title description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000004576 sand Substances 0.000 claims abstract description 31
- 239000003345 natural gas Substances 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 15
- 239000003595 mist Substances 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims description 9
- 238000000746 purification Methods 0.000 claims description 9
- 238000005260 corrosion Methods 0.000 claims description 5
- 230000007797 corrosion Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 230000001105 regulatory effect Effects 0.000 description 7
- 238000000926 separation method Methods 0.000 description 7
- 230000006872 improvement Effects 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 239000000346 nonvolatile oil Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002343 natural gas well Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/34—Arrangements for separating materials produced by the well
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/34—Arrangements for separating materials produced by the well
- E21B43/35—Arrangements for separating materials produced by the well specially adapted for separating solids
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Cyclones (AREA)
Abstract
The invention discloses an automatic liquid drainage and sand removal separator which comprises a shell, wherein a supporting plate is fixedly connected to the side wall of the shell, a plurality of supporting columns are fixedly connected to the bottom side wall of the supporting plate, a natural gas outlet, a feed inlet, a mixture outlet and a pressure dividing port are formed in the side wall of the shell, a feed pipe is fixedly connected to the feed inlet, a cyclone, a coalescer and a mist catcher are sequentially arranged in the shell from bottom to top, an air outlet pipe is fixedly connected to the natural gas outlet, and a fifth connecting pipe is fixedly connected to the side wall of the air outlet pipe. The sand removing device has high sand removing efficiency, can realize the continuous sand removing function, is simple to install, can realize automatic liquid discharge after being normally debugged and operated after being installed, does not need manual assistance, saves working hours, and can be completed only by matching at least two devices when other devices are used.
Description
Technical Field
The invention relates to the technical field of natural gas exploitation, in particular to an automatic liquid discharge and sand removal separator.
Background
In general, the extracted materials of the natural gas well include sand and water in addition to natural gas, so that the natural gas is required to be separated from the sand and liquid which are generated under the condition of ensuring the normal production of the natural gas well.
At present, the conventional desanding and separation are carried out in two ways, namely, firstly, the conventional desander can only remove sand and can not discharge liquid, and only can manually discharge sand after desanding, and secondly, the conventional gas-liquid separation can only carry out separation by a gas-liquid separator and then discharge liquid.
In the prior art, two devices are required to be installed for one desanding and one separation during separation, time and labor are wasted, a desander can only desand without a gas-liquid separation function, sand can only be manually discharged during sand discharge, the danger is too high, the environment is not protected, and the cost is also too high.
Disclosure of Invention
The invention provides an automatic draining and desanding separator, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
the automatic liquid-draining and sand-removing separator comprises a shell, wherein a supporting plate is fixedly connected to the side wall of the shell, a plurality of supporting columns are fixedly connected to the bottom side wall of the supporting plate, a natural gas outlet, a feed inlet, a mixture outlet and a pressure dividing port are formed in the side wall of the shell, a feed pipe is fixedly connected to the feed inlet, a cyclone, a coalescer and a mist catcher are sequentially arranged in the shell from bottom to top, an air outlet pipe is fixedly connected to the natural gas outlet, a fifth connecting pipe is fixedly connected to the side wall of the air outlet pipe, one end of the fifth connecting pipe is fixedly connected with a pressure-reducing purification tank, the output end of the pressure-reducing purification tank is fixedly connected with a fourth connecting pipe, one end of the fourth connecting pipe is fixedly connected with a blocking cover, the mixture outlet is fixedly connected with a first connecting pipe, and one end of the first connecting pipe is provided with a separating device, and a second connecting pipe is fixedly connected between the side wall of the first connecting pipe and the pressure dividing port, a pneumatic regulating valve is arranged on the second connecting pipe, and a third connecting pipe is fixedly connected between the gas transmission end of the pneumatic regulating valve and the side wall of the fourth connecting pipe.
As a further improvement scheme of the technical scheme: the separation device comprises a fixed shell, the fixed shell is fixedly connected to one end of the first connecting pipe, a fixed oil nozzle sleeve is fixedly connected to the bottom side wall of the fixed shell, a liquid discharge pipe is fixedly connected to the top side wall of the fixed shell, and a filter screen is fixedly connected to the inside of the fixed shell.
As a further improvement scheme of the technical scheme: the inside end lateral wall of set casing is the back taper setting.
As a further improvement scheme of the technical scheme: fixedly connected with overhauls the pipe on the lateral wall of casing, the one end threaded connection who overhauls the pipe has sealed lid.
As a further improvement scheme of the technical scheme: the shell is made of stainless steel.
As a further improvement scheme of the technical scheme: and the side wall of the shell is provided with a corrosion-resistant layer.
Compared with the prior art, the invention has the following beneficial effects:
the device has high sand removing efficiency, can realize the continuous sand discharging function, is simple to install, can realize automatic liquid discharging after being installed and normally debugged and operated, and does not need manual assistance; the working time is saved, and the operation can be finished only by matching two devices at least when other devices are used; the disassembly process is more convenient, and the cost is saved.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding 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 invention without limiting the invention. In the drawings:
FIG. 1 is a schematic structural view of an automatic draining and desanding separator according to the present invention;
fig. 2 is a schematic diagram of the internal structure of the stationary shell of the automatic draining and desanding separator provided by the invention.
In the drawings, the components represented by the respective reference numerals are listed below:
the device comprises an air outlet pipe 1, a natural gas outlet 2, a mist catcher 3, a coalescer 4, a feed inlet 5, a feed pipe 6, a cyclone 7, a support plate 8, a maintenance pipe 9, a sealing cover 10, a support column 11, a mixture outlet 12, a partial pressure port 13, a first connecting pipe 14, a pneumatic regulating valve 15, a second connecting pipe 16, a fixed nozzle sleeve 17, a fixed shell 18, a liquid discharge pipe 19, a third connecting pipe 20, a fourth connecting pipe 21, a reduced pressure purification tank 22, a fifth connecting pipe 23, a filter screen 24 and a shell 25.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-2, in the embodiment of the present invention, the automatic liquid-draining and sand-removing separator includes a casing 25, a supporting plate 8 is fixedly connected to a side wall of the casing 25, a plurality of supporting columns 11 are fixedly connected to a bottom side wall of the supporting plate 8, a natural gas outlet 2, a feed inlet 5, a mixture outlet 12, and a pressure dividing port 13 are arranged on a side wall of the casing 25, a feed pipe 6 is fixedly connected to the feed inlet 5, a cyclone 7, a coalescer 4, and a mist catcher 3 are sequentially arranged in the casing 25 from bottom to top, an air outlet pipe 1 is fixedly connected to the natural gas outlet 2, a fifth connecting pipe 23 is fixedly connected to a side wall of the air outlet pipe 1, one end of the fifth connecting pipe 23 is fixedly connected to a pressure-reducing purification tank 22, an output end of the pressure-reducing purification tank 22 is fixedly connected to a fourth connecting pipe 21, one end of the fourth connecting pipe 21 is fixedly connected to a blocking cover, and the mixture outlet 12 is fixedly connected to a first connecting pipe 14, one end of the first connecting pipe 14 is provided with a separating device, a second connecting pipe 16 is fixedly connected between the side wall of the first connecting pipe 14 and the pressure dividing port 13, a pneumatic regulating valve 15 is arranged on the second connecting pipe 16, and a third connecting pipe 20 is fixedly connected between the gas transmission end of the pneumatic regulating valve 15 and the side wall of the fourth connecting pipe 21.
Referring to fig. 2, the separating apparatus includes a fixed casing 18, the fixed casing 18 is fixedly connected to one end of the first connecting pipe 14, a fixed nozzle sleeve 17 is fixedly connected to a bottom side wall of the fixed casing 18, a liquid discharge pipe 19 is fixedly connected to a top side wall of the fixed casing 18, and a filter screen 24 is fixedly connected to the inside of the fixed casing 18, when a mixture of sand and water flow reaches the fixed casing 18, since the inside bottom side wall of the fixed casing 18 is in an inverted cone shape, the mixture cannot be discharged from the bottom side of the fixed casing 18, so that most of the water flow in the mixture passes through the filter screen 24 to reach the liquid discharge pipe 19, and then is discharged from the liquid discharge pipe 19, and the filter screen 24 can block the sand.
Referring to fig. 2, the inner bottom side wall of the fixed casing 18 is formed in an inverted cone shape, most of the sand falls into the inverted cone shape due to the gravity, and the inverted cone shape bottom side is connected to the fixed nozzle sleeve 17, so that the sand can be rapidly concentrated out of the fixed nozzle sleeve 17.
Referring to fig. 1, an inspection pipe 9 is fixedly connected to a side wall of a housing 25, a sealing cover 10 is screwed to one end of the inspection pipe 9, and when a bottom side of the housing 25 is blocked, the inside of the housing 25 can be inspected by opening the sealing cover 10.
Referring to fig. 1, the housing 25 is made of stainless steel, which can greatly increase the durability of the housing 25 and prolong the service life of the housing 25.
Referring to fig. 1, the side wall of the housing 25 is provided with a corrosion-resistant layer, the corrosion-resistant layer is made of a ceramic-based composite coating, and the ceramic-based composite coating is a composite material formed by compounding a ceramic matrix and various fibers, so that the corrosion resistance of the housing 25 can be greatly improved.
The working principle of the invention is as follows:
firstly, a feeding pipe 6 is connected with an inlet of a natural gas production well, an air outlet pipe 1 is communicated with a downstream natural gas output pipeline, a drain pipe 19 is connected with a sewage disposal pool, when natural gas with fracturing sand and a large amount of fracturing fluid enters a shell 25 from the feeding pipe 6, the natural gas falls into a cyclone 7, the cyclone 7 can separate sand bodies and most of water downwards, the natural gas flows above with part of water, and sequentially passes through a coalescer 4 and a mist catcher 3, the coalescer 4 can remove liquid water in the natural gas, the mist catcher 3 can remove water mist in the natural gas, so that the liquid in the natural gas can be completely separated, the resistance of the air outlet pipe 1 is reduced, the normal operation of the gas collection station is ensured to the maximum extent, most of the clean natural gas can directly pass through the gas collection station of natural gas after coming out of the air outlet pipe 1, and a small part of the clean natural gas reaches a decompression purification tank 22 through a fifth connecting pipe 23, the decompression purification tank 22 decompresses and filters natural gas to be self-gas for equipment, one part of the self-gas enters the pneumatic regulating valve 15 through the fourth connecting pipe 21 and the third connecting pipe 20 to provide air pressure for the pneumatic regulating valve 15, and the rest part of the self-gas in the fourth connecting pipe 21 is blocked, so that the self-gas can be conveniently used when needed at ordinary times;
the liquid and sand separated from the natural gas fall into the bottom of the shell 25 and are discharged into the fixed shell 18 through the first connecting pipe 14, when the mixture of the sand and water reaches the fixed shell 18, because the inner bottom side wall of the fixed shell 18 is arranged in an inverted cone shape, the mixture cannot be discharged from the bottom side of the fixed shell 18, most of the water flow in the mixture can penetrate through the filter screen 24 to reach the liquid discharge pipe 19 and then be discharged from the liquid discharge pipe 19, the filter screen 24 can block the sand, most of the sand falls into the inverted cone shape due to the action of gravity, the inverted cone bottom side is connected with the fixed oil nozzle sleeve 17, the sand can be rapidly concentrated to come out of the fixed oil nozzle sleeve 17, when the sand and water in the shell 25 are too much and cannot be discharged in time, the mixture of the sand and water flows to the pneumatic control valve 15 through the second connecting pipe 16, the pneumatic control valve 15 is automatically opened under the pressure, so that a part of the sand and water flow into the first connection pipe 14 through the second connection pipe 16, improving the discharge efficiency.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; the present invention may be readily implemented by those of ordinary skill in the art as illustrated in the accompanying drawings and described above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (6)
1. The automatic liquid drainage and sand removal separator comprises a shell (25) and is characterized in that a supporting plate (8) is fixedly connected onto the side wall of the shell (25), a plurality of supporting columns (11) are fixedly connected onto the bottom side wall of the supporting plate (8), a natural gas outlet (2), a feeding hole (5), a mixture outlet (12) and a pressure dividing port (13) are arranged on the side wall of the shell (25), a feeding pipe (6) is fixedly connected onto the feeding hole (5), a cyclone (7), a coalescer (4) and a mist catcher (3) are sequentially arranged inside the shell (25) from bottom to top, an air outlet pipe (1) is fixedly connected onto the natural gas outlet (2), a fifth connecting pipe (23) is fixedly connected onto the side wall of the air outlet pipe (1), a pressure reduction purification tank (22) is fixedly connected onto one end of the fifth connecting pipe (23), and a fourth connecting pipe (21) is fixedly connected onto the output end of the pressure reduction purification tank (22), the one end fixedly connected with shutoff lid of fourth connecting pipe (21), the first connecting pipe of mixture export (12) fixedly connected with (14), the one end of first connecting pipe (14) is equipped with separator, fixedly connected with second connecting pipe (16) between the lateral wall of first connecting pipe (14) and partial pressure mouth (13), be equipped with pneumatic control valve (15) on second connecting pipe (16), fixedly connected with third connecting pipe (20) between the gas transmission end of pneumatic control valve (15) and the lateral wall of fourth connecting pipe (21).
2. The automatic drain-sand removing separator according to claim 1, characterized in that the separator comprises a fixed shell (18), the fixed shell (18) is fixedly connected to one end of the first connecting pipe (14), a fixed nozzle sleeve (17) is fixedly connected to the bottom side wall of the fixed shell (18), a drain pipe (19) is fixedly connected to the top side wall of the fixed shell (18), and a filter screen (24) is fixedly connected to the inside of the fixed shell (18).
3. The automatic drain-trap sand-removal separator according to claim 1, characterized in that the internal bottom side wall of the stationary shell (18) is arranged in the shape of an inverted cone.
4. The automatic drain-sand removing separator according to claim 1, characterized in that a service pipe (9) is fixedly connected to the side wall of the housing (25), and a sealing cover (10) is screwed to one end of the service pipe (9).
5. The automatic drain-trap sand-removal separator according to claim 1, characterized in that the housing (25) is made of stainless steel.
6. The automatic drain-sand separator according to claim 1, characterized in that the side wall of the casing (25) is provided with a corrosion-resistant layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110888473.XA CN113431549A (en) | 2021-08-04 | 2021-08-04 | Automatic liquid-discharging sand-removing separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110888473.XA CN113431549A (en) | 2021-08-04 | 2021-08-04 | Automatic liquid-discharging sand-removing separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113431549A true CN113431549A (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110888473.XA Pending CN113431549A (en) | 2021-08-04 | 2021-08-04 | Automatic liquid-discharging sand-removing separator |
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| Country | Link |
|---|---|
| CN (1) | CN113431549A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115105891A (en) * | 2022-06-27 | 2022-09-27 | 四川岚强石油天然气工程勘察设计有限责任公司 | Automatic flowing back degritting separator |
| US20240003238A1 (en) * | 2022-06-29 | 2024-01-04 | Cnx Resources Corporation | Systems and method for efficient transport of fluid separators |
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| CA2229301A1 (en) * | 1998-02-10 | 1999-08-10 | Edwin Daryl Homan | High pressure well effluent separator |
| CN2758473Y (en) * | 2004-11-17 | 2006-02-15 | 中国石油天然气股份有限公司 | A natural gas well gas sand separator |
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2021
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Cited By (3)
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| CN115105891A (en) * | 2022-06-27 | 2022-09-27 | 四川岚强石油天然气工程勘察设计有限责任公司 | Automatic flowing back degritting separator |
| US20240003238A1 (en) * | 2022-06-29 | 2024-01-04 | Cnx Resources Corporation | Systems and method for efficient transport of fluid separators |
| US12234713B2 (en) * | 2022-06-29 | 2025-02-25 | Cnx Resources Corporation | Systems and method for efficient transport of fluid separators |
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Application publication date: 20210924 |