CN107875789B - Efficient dehydration device for natural gas - Google Patents
Efficient dehydration device for natural gas Download PDFInfo
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- CN107875789B CN107875789B CN201711296955.6A CN201711296955A CN107875789B CN 107875789 B CN107875789 B CN 107875789B CN 201711296955 A CN201711296955 A CN 201711296955A CN 107875789 B CN107875789 B CN 107875789B
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- dehydration
- natural gas
- cold air
- air
- pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
- C10L3/106—Removal of contaminants of water
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Drying Of Gases (AREA)
Abstract
The application discloses a high-efficiency dehydration device for natural gas, which comprises a dehydration tower, wherein a natural gas inlet is arranged at the bottom of the dehydration tower, a spherical arc plate is arranged above the natural gas inlet in the dehydration tower, a plurality of vent holes are uniformly formed in the spherical arc plate, a plurality of dehydration pipes are connected to the spherical arc plate, a flow dividing sleeve is arranged in the dehydration pipe, a cold air flow dividing plate is arranged above the dehydration pipe, a plurality of cold air through holes are uniformly formed in the cold air flow dividing plate, a cold air inlet is formed above the cold air flow dividing plate, an air outlet is formed in the side wall of the top of the dehydration tower, and the air outlet is connected with a cyclone separator. According to the dehydration device, the natural gas and the cold air are split, so that the contact area between the cold air and the natural gas in the convection process is increased, the water removal efficiency is greatly improved, the water in the natural gas subjected to the primary dehydration process is removed more thoroughly, the production efficiency is improved, the time of repeated circulating dehydration processes is saved, and the cost is saved.
Description
Technical Field
The application relates to a dehydration device, in particular to a high-efficiency dehydration device for natural gas.
Background
Natural gas refers to all gases naturally occurring in nature, including gases formed by various natural processes in the atmosphere, water and rock circles (including oilfield gas, gas field gas, mudstone gas, coal bed gas, and biogenic gases, etc.). The definition of "natural gas" has been used for a long time in a narrow definition from the viewpoint of energy, and refers to a mixture of hydrocarbon and non-hydrocarbon gases that are naturally deposited in a formation. In petrogeology, oilfield gas and gas field gas are commonly referred to. The composition is based on hydrocarbons and contains non-hydrocarbon gases. Natural gas is deposited in underground porous formations, including oilfield gas, gas field gas, coalbed gas, mudguard gas, and biogenic gas, to name a few. It is a high-quality fuel and chemical raw material. Therefore, natural gas produced in oilfield associated gas or gas wells contains excessive moisture and liquid hydrocarbon, and must be separated and purified before gathering, transportation and combustion, and the moisture content of the natural gas is controlled to be dry gas. The existing dehydration tower usually adopts cooling natural gas for dehydration, namely natural gas is introduced from the bottom of the dehydration tower, then cold air is introduced from the upper side of the dehydration tower, and then the cold air is in convection contact with the natural gas so as to enable water in the cold air to be condensed and then removed, but the existing dehydration tower is low in dehydration efficiency, the dehydration process is usually required to be carried out for a plurality of times to thoroughly remove the water in the dehydration tower, the efficiency is low, required equipment is numerous, and the cost is high.
Disclosure of Invention
The application aims to provide an efficient dehydration device for natural gas, which is characterized in that the natural gas and the cold air are split at first, the contact area between the cold air and the natural gas in the convection process is increased, the removal efficiency of water in the natural gas subjected to one-time dehydration process is greatly improved, the production efficiency is improved, the time of multiple-time circulation dehydration process is saved, the water can be thoroughly removed at one time, multiple devices are not needed for continuous dehydration, and the cost is saved.
The application is realized by the following technical scheme:
the utility model provides a high-efficient dewatering device for natural gas, including the dehydration tower, the bottom of dehydration tower is equipped with the natural gas air inlet, the top of air inlet is equipped with the sphere arc board in the dehydration tower, the edge of sphere arc board is laminated and the opening is upwards completely with the dehydration tower inner wall, evenly be equipped with a plurality of air vents on the sphere arc board, even be equipped with a plurality of dehydration pipes on the sphere arc board, the air vent is linked together with the lower extreme of dehydration pipe, be equipped with the split sleeve in the dehydration pipe, the split sleeve is established from interior to exterior by the sleeve that a plurality of dimensions are different in proper order and is formed, the split sleeve can be rotary motion around self axis, and the sleeve is netted hollow structure, the intussuseption of sleeve is filled with the water absorbent, the top of dehydration pipe is equipped with the cold air splitter that is the same with sphere arc shape, the opening of cold air splitter is down, a plurality of cold air through-holes have evenly been seted up on the cold air splitter, the cold air through-hole is linked together with the upper end of dehydration pipe, the top of cold air splitter is equipped with the cold air through-inlet, be equipped with the gas outlet on the top lateral wall of dehydration tower, the gas outlet links to each other with cyclone.
According to the dehydration device, the natural gas and the cold air are split, the contact area between the cold air and the natural gas in the convection process is increased, the water removal efficiency is greatly improved, the water in the natural gas subjected to the primary dehydration process is removed more thoroughly, the production efficiency is improved, the time of repeated cyclic dehydration processes is saved, the water can be thoroughly removed at one time, continuous dehydration of a plurality of devices is not needed, and the cost is saved. Introducing natural gas to be dehydrated from a bottom air inlet of a dehydration tower, and after entering the dehydration tower, enabling the natural gas to be split and respectively pass through a plurality of vent holes under the guiding action of a spherical arc plate and then enter a plurality of dehydration cylinders; cold air enters the upper part of the cold air splitter plate from the cold air inlet, and then enters the dewatering pipes after being split; the upward moving natural gas and the downward moving cold air are in convection contact in the dewatering pipe, wherein the dewatering pipe is internally provided with a flow dividing sleeve, the flow dividing sleeve is formed by sequentially sleeving a plurality of sleeves with different sizes from inside to outside, namely the natural gas and the cold air entering the dewatering pipe respectively pass through the flow dividing sleeve and are divided into a plurality of different areas, then the cold air in each area is contacted with the natural gas, thus greatly increasing the contact area between the cold air and the natural gas, the structure of the application can separate natural gas and cold air, and increase the contact area between the cold air and the natural gas in the same amount through the split sleeve, thereby improving the dehydration efficiency and quality, shortening the time required by the dehydration procedure, avoiding repeated cyclic dehydration and saving the equipment cost; the split sleeve can rotate around the axis of the split sleeve, the split sleeve is of a net-shaped hollow structure, the water absorbing agent is filled in the split sleeve, the water absorbing agent adopts anhydrous copper sulfate particles, cold air and natural gas in the split sleeve can follow the split sleeve to rotate in the rotating process, and water in the natural gas is condensed and then is thrown on the inner wall of the split sleeve and then absorbed by the water absorbing agent under the action of centrifugal force, so that the dewatering effect is further improved; the natural gas dehydrated by the dehydration pipe is further processed by the cyclone separator, so that the moisture in the natural gas is thoroughly removed.
The upper part of the cold air inlet is provided with a water absorption filter membrane layer which is horizontally arranged, so that the dehydration effect is further improved.
A heating chamber is arranged above the cold air inlet, a heating pipe is arranged on the inner wall of the heating chamber, an opening is arranged at the top of the heating chamber, a valve is arranged at the opening, the opening is communicated with the air outlet, and natural gas continuously rises into the heating chamber for heating and drying after being dehydrated by a dehydration pipe.
The top opening of heating chamber is offered in the one side of keeping away from the gas outlet, and the top of heating chamber is equipped with the spiral gas transmission pole that the level set up, and the end setting of spiral gas transmission pole is equipped with the hot plate in the gas outlet in the top of spiral gas transmission pole, and natural gas is carried in the gas outlet through spiral gas transmission pole, and the in-process is further to the heating stoving of natural gas.
A plurality of semi-cylindrical raised strips are sequentially arranged on the inner wall of the sleeve along the circumferential direction, the axes of the raised strips are parallel to the axis of the sleeve, and the area of the inner wall of the sleeve is increased.
Compared with the prior art, the application has the following advantages and beneficial effects:
1. according to the efficient dehydration device for the natural gas, the natural gas and the cold air are split, the contact area between the cold air and the natural gas in the convection process is increased, the water removal efficiency is greatly improved, the water in the natural gas subjected to the primary dehydration process is removed more thoroughly, the production efficiency is improved, the time of repeated cyclic dehydration processes is saved, the water can be removed thoroughly in sequence, continuous dehydration of a plurality of devices is not needed, and the cost is saved;
2. the high-efficiency dehydration device for natural gas is characterized in that a water absorption filter membrane layer which is horizontally arranged is arranged above a cold air inlet, the dehydration effect is further improved, a heating chamber is arranged above the cold air inlet, a heating pipe is arranged on the inner wall of the heating chamber, an opening is formed in the top of the heating chamber, a valve is arranged at the opening, the opening is communicated with an air outlet, and natural gas continuously rises into the heating chamber for heating and drying after being dehydrated by a dehydration pipe;
3. the application relates to a high-efficiency dehydration device for natural gas, wherein the top opening of a heating chamber is arranged on one side far away from an air outlet, a horizontally arranged spiral air conveying rod is arranged above the heating chamber, the tail end of the spiral air conveying rod is arranged at the air outlet, a heating plate is arranged above the spiral air conveying rod, the natural gas is conveyed into the air outlet through the spiral air conveying rod, the natural gas is further heated and dried in the process, a plurality of semi-cylindrical raised strips are sequentially arranged on the inner wall of a sleeve along the circumferential direction, the axes of the raised strips are parallel to the axis of the sleeve, and the area of the inner wall of the sleeve is increased.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present application;
fig. 2 is a schematic structural view of the diverter sleeve according to the present application.
In the drawings, the reference numerals and corresponding part names:
the device comprises a dehydration tower 1, an air inlet 2, a spherical arc plate 3, an air vent 4, a dehydration pipe 5, a split sleeve 6, a cold air split plate 7, a cold air through hole 8, an air outlet 9, a water absorption filter membrane layer 10, a heating pipe 11, a cyclone separator 12, a spiral gas transmission rod 13 and a heating plate 14.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present application, the present application will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present application and the descriptions thereof are for illustrating the present application only and are not to be construed as limiting the present application.
Examples
As shown in fig. 1 and 2, the efficient dehydration device for natural gas of the application comprises a dehydration tower 1, wherein a natural gas inlet 2 is arranged at the bottom of the dehydration tower 1, a spherical arc plate 3 is arranged above the natural gas inlet 2 in the dehydration tower 1, the edge of the spherical arc plate 3 is completely attached to the inner wall of the dehydration tower 1 and has an upward opening, a plurality of vent holes 4 are uniformly arranged on the spherical arc plate 3, a plurality of dehydration pipes 5 are connected on the spherical arc plate 3, the vent holes 4 are communicated with the lower end of the dehydration pipes 5, a split sleeve 6 is arranged in the dehydration pipes 5, the split sleeve 6 is formed by sequentially sleeving a plurality of sleeves with different sizes from inside to outside, the split sleeve 6 can perform rotary motion around the axis of the split sleeve, the sleeves are of net-shaped hollow structures, water absorbing agents are filled in the sleeves, a plurality of cold air split plates 7 with the same shape as the spherical arc plate 3 are arranged above the split sleeve, a plurality of cold air through holes 8 are uniformly arranged on the cold air split plates 7, the cold air through holes 8 are communicated with the upper ends of the dehydration pipes 5, a plurality of the vent holes 4 are arranged above the cold air split plates 7, the upper sides of the dehydration pipes 1 are provided with air inlets 12, and the air outlets 9 are connected with the air outlets 9 on the top of the dehydration tower.
According to the dehydration device, the natural gas and the cold air are split, the contact area between the cold air and the natural gas in the convection process is increased, the water removal efficiency is greatly improved, the water in the natural gas subjected to the primary dehydration process is removed more thoroughly, the production efficiency is improved, the time of repeated cyclic dehydration processes is saved, the water can be thoroughly removed at one time, continuous dehydration of a plurality of devices is not needed, and the cost is saved. Introducing natural gas to be dehydrated from a bottom air inlet of a dehydration tower, and after entering the dehydration tower, enabling the natural gas to be split and respectively pass through a plurality of vent holes under the guiding action of a spherical arc plate and then enter a plurality of dehydration cylinders; cold air enters the upper part of the cold air splitter plate from the cold air inlet, and then enters the dewatering pipes after being split; the upward moving natural gas and the downward moving cold air are in convection contact in the dewatering pipe, wherein the dewatering pipe is internally provided with a flow dividing sleeve, the flow dividing sleeve is formed by sequentially sleeving a plurality of sleeves with different sizes from inside to outside, namely the natural gas and the cold air entering the dewatering pipe respectively pass through the flow dividing sleeve and are divided into a plurality of different areas, then the cold air in each area is contacted with the natural gas, thus greatly increasing the contact area between the cold air and the natural gas, the structure of the application can separate natural gas and cold air, and increase the contact area between the cold air and the natural gas in the same amount through the split sleeve, thereby improving the dehydration efficiency and quality, shortening the time required by the dehydration procedure, avoiding repeated cyclic dehydration and saving the equipment cost; the split sleeve can rotate around the axis of the split sleeve, the split sleeve is of a net-shaped hollow structure, the water absorbing agent is filled in the split sleeve, the water absorbing agent adopts anhydrous copper sulfate particles, cold air and natural gas in the split sleeve can follow the split sleeve to rotate in the rotating process, and water in the natural gas is condensed and then is thrown on the inner wall of the split sleeve and then absorbed by the water absorbing agent under the action of centrifugal force, so that the dewatering effect is further improved; the natural gas dehydrated by the dehydration pipe is further processed by the cyclone separator, so that the moisture in the natural gas is thoroughly removed.
Preferably, a water absorbing filter membrane layer 10 is arranged above the cold air inlet, so that the dehydration effect is further improved.
Preferably, a heating chamber is arranged above the cold air inlet, a heating pipe 11 is arranged on the inner wall of the heating chamber, an opening is formed in the top of the heating chamber, a valve is arranged at the opening, the opening is communicated with the air outlet, and natural gas continuously rises into the heating chamber for heating and drying after being dehydrated by a dewatering pipe.
Preferably, the top opening of the heating chamber is arranged on one side far away from the air outlet, a spiral air conveying rod 13 which is horizontally arranged is arranged above the heating chamber, the tail end of the spiral air conveying rod is arranged at the air outlet, a heating plate 14 is arranged above the spiral air conveying rod, natural gas is conveyed to the air outlet through the spiral air conveying rod, and the natural gas is further heated and dried in the process.
Preferably, a plurality of semi-cylindrical raised strips are sequentially arranged on the inner wall of the sleeve along the circumferential direction, the axes of the raised strips are parallel to the axis of the sleeve, and the area of the inner wall of the sleeve is increased.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the application, and is not meant to limit the scope of the application, but to limit the application to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the application are intended to be included within the scope of the application.
Claims (4)
1. A high-efficient dewatering device for natural gas, a serial communication port, including dehydration tower (1), the bottom of dehydration tower (1) is equipped with natural gas air inlet (2), the top of air inlet (2) is equipped with sphere arc board (3) in dehydration tower (1), the edge of sphere arc board (3) is laminated and the opening is upwards completely with dehydration tower (1) inner wall, evenly be equipped with a plurality of air vent (4) on sphere arc board (3), even be equipped with a plurality of dehydration pipe (5) on sphere arc board (3), air vent (4) are linked together with the lower extreme of dehydration pipe (5), be equipped with shunt tube (6) in dehydration pipe (5), shunt tube (6) are established from interior to outer cover in proper order by a plurality of sleeve pipes that the size is different, shunt for natural gas and cold air, increase cold air and natural gas convection in-process area simultaneously, shunt tube (6) can be around self axis rotary motion, and the sleeve pipe intussuseption is the water absorbing agent, the top of dehydration pipe (5) is equipped with and is with air shunt plate (7) the same with sphere arc board (3) shape, air shunt plate (7), air shunt tube (7) down and air vent (8) are equipped with on the cold air inlet (8) down, the cold air inlet is linked together with a plurality of cold air inlet (8) on the cold air shunt tube (8), an air outlet (9) is arranged on the side wall of the top of the dehydration tower (1), and the air outlet (9) is connected with a cyclone separator (12); a water absorption filter membrane layer (10) which is horizontally arranged is arranged above the cold air inlet; the inner wall of the sleeve is sequentially provided with a plurality of semi-cylindrical raised strips along the circumferential direction, and the axes of the raised strips are parallel to the axis of the sleeve.
2. The efficient dehydration device for natural gas according to claim 1, wherein a heating chamber is arranged above the cold air inlet, a heating pipe (11) is arranged on the inner wall of the heating chamber, an opening is arranged at the top of the heating chamber, a valve is arranged at the opening, and the opening is communicated with the air outlet (9).
3. The efficient dehydration device for natural gas according to claim 2, wherein the top opening of the heating chamber is arranged on one side far away from the air outlet (9), a spiral air transmission rod (13) horizontally arranged is arranged above the heating chamber, and the tail end of the spiral air transmission rod (13) is arranged at the air outlet (9).
4. A high efficiency dewatering apparatus for natural gas as claimed in claim 3, wherein a heating plate (14) is provided above the screw gas transmission rod (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711296955.6A CN107875789B (en) | 2017-12-08 | 2017-12-08 | Efficient dehydration device for natural gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711296955.6A CN107875789B (en) | 2017-12-08 | 2017-12-08 | Efficient dehydration device for natural gas |
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| Publication Number | Publication Date |
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| CN107875789A CN107875789A (en) | 2018-04-06 |
| CN107875789B true CN107875789B (en) | 2023-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711296955.6A Active CN107875789B (en) | 2017-12-08 | 2017-12-08 | Efficient dehydration device for natural gas |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110755932B (en) * | 2019-11-02 | 2021-11-05 | 淮北卓本科技有限责任公司 | Prevent dehydration tower of jam |
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|---|---|---|---|---|
| CN2317930Y (en) * | 1997-10-11 | 1999-05-12 | 营口有机化工厂 | Contact cold-wind dewatering tower |
| CN105457330A (en) * | 2015-12-09 | 2016-04-06 | 无锡西源电力装备厂 | Efficient steam-water separation device for power station auxiliary equipment |
| CN205387561U (en) * | 2016-03-15 | 2016-07-20 | 任茂平 | Novel natural gas dehydration device |
| CN105771516A (en) * | 2016-04-29 | 2016-07-20 | 翁跃勤 | Centrifugal gas way type gas purifier |
| CN205495156U (en) * | 2016-03-15 | 2016-08-24 | 河南弘康环保科技有限公司 | Circulating fluidized bed desulfurization vapour and liquid separator |
| CN106701230A (en) * | 2015-07-24 | 2017-05-24 | 天津安耐吉燃气技术有限公司 | CNG cooling separator |
| CN107384493A (en) * | 2017-08-21 | 2017-11-24 | 江苏卓达信息科技有限公司 | The dehydration device of liquefied natural gas (LNG) production |
| CN207537411U (en) * | 2017-12-08 | 2018-06-26 | 四川科比科油气工程有限公司 | The natual gas dehydrate unit of dehydration efficiency can be improved |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150302138A1 (en) * | 2014-04-18 | 2015-10-22 | Chevron U.S.A. Inc. | Natural gas dehydration vessel having reduced regeneration mode cycle time and method of use and design thereof |
-
2017
- 2017-12-08 CN CN201711296955.6A patent/CN107875789B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2317930Y (en) * | 1997-10-11 | 1999-05-12 | 营口有机化工厂 | Contact cold-wind dewatering tower |
| CN106701230A (en) * | 2015-07-24 | 2017-05-24 | 天津安耐吉燃气技术有限公司 | CNG cooling separator |
| CN105457330A (en) * | 2015-12-09 | 2016-04-06 | 无锡西源电力装备厂 | Efficient steam-water separation device for power station auxiliary equipment |
| CN205387561U (en) * | 2016-03-15 | 2016-07-20 | 任茂平 | Novel natural gas dehydration device |
| CN205495156U (en) * | 2016-03-15 | 2016-08-24 | 河南弘康环保科技有限公司 | Circulating fluidized bed desulfurization vapour and liquid separator |
| CN105771516A (en) * | 2016-04-29 | 2016-07-20 | 翁跃勤 | Centrifugal gas way type gas purifier |
| CN107384493A (en) * | 2017-08-21 | 2017-11-24 | 江苏卓达信息科技有限公司 | The dehydration device of liquefied natural gas (LNG) production |
| CN207537411U (en) * | 2017-12-08 | 2018-06-26 | 四川科比科油气工程有限公司 | The natual gas dehydrate unit of dehydration efficiency can be improved |
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| CN107875789A (en) | 2018-04-06 |
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