CN209456389U - A kind of device of natural gas purification carbon dioxide removal - Google Patents
A kind of device of natural gas purification carbon dioxide removal Download PDFInfo
- Publication number
- CN209456389U CN209456389U CN201822251347.XU CN201822251347U CN209456389U CN 209456389 U CN209456389 U CN 209456389U CN 201822251347 U CN201822251347 U CN 201822251347U CN 209456389 U CN209456389 U CN 209456389U
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- CN
- China
- Prior art keywords
- heat
- natural gas
- carbon dioxide
- tower shell
- stripper
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- Gas Separation By Absorption (AREA)
Abstract
The utility model discloses a kind of devices of natural gas purification carbon dioxide removal, including absorption tower and stripper, absorption tower includes absorbing tower shell, spray equipment and packing material absorbing layer, the spray equipment has multiple, it is uniformly arranged on absorption tower enclosure interior, each spray equipment lower part is provided with packing material absorbing layer, the stripper includes stripping tower shell, heat-exchanger rig and sieve plate, top in the stripping tower shell is provided with heat-exchanger rig, the heat-exchanger rig includes tube sheet and heat exchanger tube, there are two the tube sheets, it is connected to stripper inner walls, heat exchanger tube has more, every heat exchanger tube both ends both pass through tube sheet and fix with tube sheet, sieve plate is uniformly staggeredly equipped in the stripper of tube sheet lower part.The utility model can preferably absorb the carbon dioxide in natural gas, and can realize that absorbing liquid is reused by steam stripped mode, additionally it is possible to pregnant solution is preheated using waste heat, it is energy saving.
Description
Technical field
The utility model relates to natural gas purification equipment technical fields, and in particular to a kind of natural gas purification removing dioxy
Change the device of carbon.
Background technique
With China's industrial expansion, the needs of the raising of living standards of the people and environmental protection, natural gas is as one
Kind clean energy resource and high-quality industrial chemicals, are widely used, and natural gas from gas field after acquiring out, containing a large amount of
Impurity, mainly have sulfurous gas, carbon dioxide and water, need to carry out purified treatment.
The too high levels of carbon dioxide in natural can reduce the calorific value and throughput of pipeline of natural gas.If do not taken off
It removes, heat caused by unit volume combustion of natural gas will be greatly reduced.If providing identical heat, the conveying capacity of natural gas is inevitable
Increase, to keep conveyance conduit thicker, increases installation cost.And carbon dioxide will form dry ice in low temperature, influence natural gas
Conveying, carbon dioxide can cause serious corrosion to conveyance conduit in the presence of water.
Utility model content
To overcome technological deficiency of the existing technology, the utility model discloses a kind of natural gas purification removing dioxies
The device for changing carbon, can preferably absorb the carbon dioxide in natural gas, and can realize absorbing liquid weight by steam stripped mode
It is multiple to utilize, additionally it is possible to pregnant solution is preheated using waste heat, it is energy saving.
A kind of device of natural gas purification carbon dioxide removal of the utility model, including absorption tower and stripper, institute
Stating absorption tower includes absorbing tower shell, spray equipment and packing material absorbing layer, and the spray equipment has multiple, is uniformly arranged on absorption
Inside tower shell, each spray equipment lower part is provided with packing material absorbing layer, and the side of absorption tower lower part of the housing connects natural gas
Input pipe, absorption tower case top connect natural gas efferent duct, and absorption tower housing bottom passes through pregnant solution delivery pipe and stripper
It connects, is provided with the first force (forcing) pump on pregnant solution delivery pipe pipeline；
The stripper includes stripping tower shell, heat-exchanger rig and sieve plate, and the top in the stripping tower shell is provided with
Heat-exchanger rig, the heat-exchanger rig include tube sheet and heat exchanger tube, and there are two the tube sheets, is connected to stripper inner walls, changes
Heat pipe has more, and every heat exchanger tube both ends both pass through tube sheet and fix with tube sheet, uniformly staggeredly sets in the stripper of tube sheet lower part
It is equipped with sieve plate, stripper housing bottom is connect by absorbing liquid delivery pipe with each spray equipment, the side of stripper lower part of the housing
Face connects vapor input pipe, strips and connects vapor efferent duct 3 at the top of tower shell 4, and pregnant solution delivery pipe is connected to heat exchange dress
The stripping tower shell side in bottom set portion, heat-exchanger rig top are connected to the stripping tower casing of heat-exchanger rig lower part by the delivery pipe that exchanges heat
The body other side is provided with the second force (forcing) pump on absorbing liquid delivery pipe pipeline.
Preferably, the packing material absorbing layer includes filler frame and filler, and the filler frame is connected to absorption tower inner walls,
Filler frame bottom is provided with several lower leak holes, and filler is arranged in filler frame, and the filler is porous plastics ball.
Preferably, the pregnant solution delivery pipe entrance on the absorption tower is provided with filter screen.
Preferably, multiple baffle plates are provided between two tube sheets of the heat-exchanger rig, heat exchanger tube passes through baffle plate.
Preferably, several lower leak holes are offered on the sieve plate, sieve plate side offers air-flow notch, and the air-flow of sieve plate lacks
Mouth side is provided with rib.
Preferably, gas-liquid separation device is provided on the pregnant solution delivery pipe pipeline.
Preferably, the sieve plate lower part is provided with vapor distributor, and the vapor input pipe protrudes into stripper simultaneously
It is connected to vapor distributor bottom.
The utility model has the following beneficial effects: being used cooperatively by spray equipment and packing material absorbing layer, it can be preferable
The carbon dioxide in natural gas is absorbed, stripper can be proposed the carbon dioxide in pregnant solution by vapor, to realize
Absorbing liquid recycles, and heat-exchanger rig can preheat pregnant solution using the waste heat of vapor, with energy saving, reaches
Better Srteam Stripping effect.
Detailed description of the invention
Fig. 1 is a kind of a kind of specific embodiment party of the device of natural gas purification carbon dioxide removal described in the utility model
Formula structural schematic diagram.
Fig. 2 is a kind of a kind of specific embodiment party of the device of natural gas purification carbon dioxide removal described in the utility model
The packing material absorbing layer schematic diagram of internal structure of formula.
The entitled 1- natural gas input pipe of appended drawing reference in figure, 2- absorbing liquid delivery pipe, 3- vapor efferent duct, 4- stripping
Tower shell, 5- tube sheet, 6- baffle plate, 7- heat exchanger tube, 8- heat exchange delivery pipe, 9- sieve plate, 10- rib, 11- vapor distributor,
12- vapor input pipe, the second force (forcing) pump of 13-, 14- pregnant solution delivery pipe, 15- gas-liquid separation device, the first force (forcing) pump of 16-,
17- filter screen, 18- natural gas efferent duct, 19- packing material absorbing layer, 20- spray equipment, 21- absorb tower shell, 22- filler, 23-
Filler frame, leak hole under 24-.
Specific embodiment
More detailed description is done to the embodiments of the present invention below in conjunction with attached drawing and appended drawing reference, makes to be familiar with ability
The technology people in domain can implement accordingly after studying this specification carefully.It should be appreciated that specific embodiment described herein is only to solve
The utility model is released, is not used to limit the utility model.
In the description of the present invention, it should be noted that the orientation of the instructions such as term " on ", "horizontal", "inner" or
Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description,
Rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, because
This should not be understood as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in utility model.
Embodiment: referring to attached drawing 1, a kind of attached device of natural gas purification carbon dioxide removal shown in Fig. 2, including inhale
Tower and stripper are received, the absorption tower includes absorbing tower shell 21, spray equipment 20 and packing material absorbing layer 19, the spray equipment
20 have it is multiple, be uniformly arranged on absorb tower shell 21 inside, each 20 lower part of spray equipment is provided with packing material absorbing layer 19, inhale
The side for receiving 21 lower part of tower shell connects natural gas input pipe 1, absorbs and connects natural gas efferent duct 18 at the top of tower shell 21, absorbs
21 bottom of tower shell is connect by pregnant solution delivery pipe 14 with stripper, is provided with the first pressurization on 14 pipeline of pregnant solution delivery pipe
Pump 16；
Tower shell 21 is absorbed for providing a closed absorption environment, spray equipment 20 can spray downwards absorbing liquid,
And be sprayed on packing material absorbing layer 19, it is adequately mixed with the natural gas come on the lower part of absorption tower, the dioxy in natural gas
Change the absorbing liquid that first passes through on packing material absorbing layer 19 of carbon to be absorbed, then by the absorbing liquid of 19 upper space of packing material absorbing layer into
Row absorbs, and is provided with multilayer, can be improved the assimilation effect of carbon dioxide, and natural gas input pipe 1 is used for the inside of absorption tower
Natural gas is inputted, natural gas efferent duct 18 is used to export the natural gas after purification carbon dioxide, and pregnant solution delivery pipe 14 is for defeated
Pregnant solution after absorbing carbon dioxide out, the first force (forcing) pump 16 are used to provide power for conveying pregnant solution.
The stripper includes stripping tower shell 4, heat-exchanger rig and sieve plate 9, the top setting in the stripping tower shell 4
There is heat-exchanger rig, the heat-exchanger rig includes tube sheet 5 and heat exchanger tube 7, and there are two the tube sheets 5, is connected in stripping tower shell 4
Wall, heat exchanger tube 7 have more, and every 7 both ends of heat exchanger tube both pass through tube sheet 5 and fix with tube sheet 5, in the stripper of 5 lower part of tube sheet
It is uniformly staggeredly equipped with sieve plate 9, stripping 4 bottom of tower shell is connect by absorbing liquid delivery pipe 2 with each spray equipment 20, is stripped
The side of 4 lower part of tower shell connects vapor input pipe 12, strips and connects vapor efferent duct 3 at the top of tower shell 4, pregnant solution is defeated
4 side of stripping tower shell for sending pipe 14 to be connected to heat-exchanger rig bottom, heat-exchanger rig top are connected to by the delivery pipe 8 that exchanges heat and are changed
4 other side of stripping tower shell of thermal lower part is provided with the second force (forcing) pump 13 on 2 pipeline of absorbing liquid delivery pipe.
Heat-exchanger rig is used to carry out the pre-heat treatment to pregnant solution using the waste heat of vapor, so as to reduce to pregnant solution
Heating time, better Srteam Stripping effect can be obtained and reduce the consumption of vapor, tube sheet 5 is for being fixedly connected with heat exchanger tube
7, between two tube sheets 5 can with stripping 4 shape sealing space of tower shell, convenient for the flowing of pregnant solution, 7 internal flow of heat exchanger tube stripping
Later vapor, heat exchanger tube 7 can separate vapor and pregnant solution, and vapor and pregnant solution pass through heat exchanger tube 7 and carry out heat
Transmitting, sieve plate 9 so that pregnant solution and vapor be made preferably to contact, reach better Srteam Stripping effect, inhale for being distributed pregnant solution
The absorbing liquid that receipts liquid delivery pipe 2 is used to strip after reduction is transported to spray equipment 20 and reuses, and vapor input pipe 12 is used
In input vapor, for stripping the carbon dioxide in pregnant solution, pregnant solution is introduced into heat-exchanger rig, defeated by exchanging heat after preheating
It send pipe 8 to be transported to 9 top of sieve plate to be stripped, vapor efferent duct 3 is mixed for exporting the vapor after stripping and carbon dioxide
Gas is closed, 13 pump of the second pressurization provides power for being transported to spray equipment 20 for the absorbing liquid after reduction.
The packing material absorbing layer 20 includes filler frame 23 and filler 22, and the filler frame 23, which is connected to, to be absorbed in tower shell 21
Wall, 23 bottom of filler frame are provided with several lower leak holes 24, and filler 22 is arranged in filler frame 23, and the filler 22 is porous plastics
Ball.For filler frame for loading filler, porous plastics ball is capable of increasing the contact area of natural gas and absorbing liquid, keeps absorbing liquid more preferable
The carbon dioxide absorbed in natural gas, lower leak hole be used for absorbing carbon dioxide after pregnant solution lower leakage and natural gas
It is upper.
14 entrance of pregnant solution delivery pipe on the absorption tower is provided with filter screen 17.Prevent impurity from entering pregnant solution conveying
Pipe 14 causes to block.
Multiple baffle plates 6 are provided between two tube sheets 5 of the heat-exchanger rig, heat exchanger tube 7 passes through baffle plate 6.Baffle plate 6
It is able to extend flowing duration of the pregnant solution in heat-exchanger rig, reaches better pre-heat effect.
Several lower leak holes are offered on the sieve plate 9,9 side of sieve plate offers air-flow notch, the air-flow notch one of sieve plate 9
Side is provided with rib 10.Lower leak hole on sieve plate 9 prevents it from gas for dispersing pregnant solution, rib 10 for blocking pregnant solution
Flow gap side flows down, and air-flow notch is used for the flowing of vapor.
Gas-liquid separation device 15 is provided on 14 pipeline of pregnant solution delivery pipe.It is mixed with inside pregnant solution a small amount of natural
Gas avoids it from generating cavitation in the first force (forcing) pump 16 and damages the first force (forcing) pump 16.
9 lower part of sieve plate is provided with vapor distributor 11, and the vapor input pipe 12 protrudes into stripper and connects
It connects in 11 bottom of vapor distributor.It is more uniform that vapor distributor 11 can be such that vapor is distributed, and be convenient for and be enriched with
Liquid mixing, is preferably stripped off the carbon dioxide inside pregnant solution.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (7)
1. a kind of device of natural gas purification carbon dioxide removal, it is characterised in that: including absorption tower and stripper, the suction
Receiving tower includes absorbing tower shell (21), spray equipment (20) and packing material absorbing layer (19), the spray equipment (20) have it is multiple,
Even setting is absorbing tower shell (21) inside, and each spray equipment (20) lower part is provided with packing material absorbing layer (19), absorption tower
The side of shell (21) lower part connects natural gas input pipe (1), absorbs and connects natural gas efferent duct (18) at the top of tower shell (21),
It absorbs tower shell (21) bottom to connect by pregnant solution delivery pipe (14) with stripper, be arranged on pregnant solution delivery pipe (14) pipeline
There are the first force (forcing) pump (16)；
The stripper includes stripping tower shell (4), heat-exchanger rig and sieve plate (9), and the top in stripping tower shell (4) is set
It is equipped with heat-exchanger rig, the heat-exchanger rig includes tube sheet (5) and heat exchanger tube (7), and there are two the tube sheets (5), is connected to stripping
Tower shell (4) inner wall, heat exchanger tube (7) have more, and every heat exchanger tube (7) both ends both pass through tube sheet (5) and fix with tube sheet (5),
It is uniformly staggeredly equipped with sieve plate (9) in the stripper of tube sheet (5) lower part, stripping tower shell (4) bottom passes through absorbing liquid delivery pipe
(2) it is connect with each spray equipment (20), the side of stripping tower shell (4) lower part connects vapor input pipe (12), stripper
Vapor efferent duct (3) are connected at the top of shell (4), pregnant solution delivery pipe (14) is connected to the stripping tower shell of heat-exchanger rig bottom
(4) side, heat-exchanger rig top are connected to stripping tower shell (4) other side of heat-exchanger rig lower part by heat exchange delivery pipe (8),
The second force (forcing) pump (13) are provided on absorbing liquid delivery pipe (2) pipeline.
2. a kind of device of natural gas purification carbon dioxide removal according to claim 1, it is characterised in that: described to fill out
Material absorbed layer (19) includes filler frame (23) and filler (22), and the filler frame (23), which is connected to, absorbs tower shell (21) inner wall,
Filler frame (23) bottom is provided with several lower leak holes (24), and in filler frame (23), the filler (22) is for filler (22) setting
Porous plastics ball.
3. a kind of device of natural gas purification carbon dioxide removal according to claim 1, it is characterised in that: the suction
Pregnant solution delivery pipe (14) entrance for receiving tower is provided with filter screen (17).
4. a kind of device of natural gas purification carbon dioxide removal according to claim 1, it is characterised in that: described to change
It is provided with multiple baffle plates (6) between two tube sheets (5) of thermal, heat exchanger tube (7) passes through baffle plate (6).
5. a kind of device of natural gas purification carbon dioxide removal according to claim 1, it is characterised in that: the sieve
Several lower leak holes are offered on plate (9), sieve plate (9) side offers air-flow notch, and the air-flow notch side of sieve plate (9) is provided with
Rib (10).
6. a kind of device of natural gas purification carbon dioxide removal according to claim 1, it is characterised in that: the richness
Gas-liquid separation device (15) are provided on liquid collecting delivery pipe (14) pipeline.
7. a kind of device of natural gas purification carbon dioxide removal according to claim 1, it is characterised in that: the sieve
Plate (9) lower part is provided with vapor distributor (11), and the vapor input pipe (12) is protruded into stripper and is connected to water steaming
Gas distributor (11) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822251347.XU CN209456389U (en) | 2018-12-29 | 2018-12-29 | A kind of device of natural gas purification carbon dioxide removal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822251347.XU CN209456389U (en) | 2018-12-29 | 2018-12-29 | A kind of device of natural gas purification carbon dioxide removal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209456389U true CN209456389U (en) | 2019-10-01 |
Family
ID=68043064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822251347.XU Expired - Fee Related CN209456389U (en) | 2018-12-29 | 2018-12-29 | A kind of device of natural gas purification carbon dioxide removal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209456389U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111849572A (en) * | 2020-08-06 | 2020-10-30 | 欧科能源技术(天津)有限公司 | Liquid hydrocarbon gasifier for removing C5 |
-
2018
- 2018-12-29 CN CN201822251347.XU patent/CN209456389U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111849572A (en) * | 2020-08-06 | 2020-10-30 | 欧科能源技术(天津)有限公司 | Liquid hydrocarbon gasifier for removing C5 |
| CN111849572B (en) * | 2020-08-06 | 2024-04-19 | 欧科能源技术(天津)有限公司 | Liquid hydrocarbon gasifier for C5 removal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191001 Termination date: 20211229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |