CN109536226B

CN109536226B - Efficient natural gas purification dehydration tower capable of forming multi-convection by utilizing scattered shower and scattered gas

Info

Publication number: CN109536226B
Application number: CN201811274883.XA
Authority: CN
Inventors: 韩景超; 翟毅非; 傅梅英
Original assignee: Shanxi Guoxin Kelai Natural Gas Co ltd
Current assignee: Shanxi Guoxin Kelai Natural Gas Co.,Ltd.
Priority date: 2018-10-30
Filing date: 2018-10-30
Publication date: 2021-04-23
Anticipated expiration: 2038-10-30
Also published as: CN112940819A; CN109536226A

Abstract

The invention discloses a high-efficiency natural gas purification dehydration tower which utilizes dispersion and diffusion to form multi-convection, and the structure of the tower comprises a first inlet and outlet, a tower body, a second inlet and outlet, a dispersion hemisphere, a reaction cavity and a dispersion mechanism, wherein the top end of the tower body is provided with the first inlet and outlet, the bottom of the tower body opposite to the first inlet and outlet is provided with the second inlet and outlet, the inner space of the tower body is the reaction cavity, the bottom of the reaction cavity is provided with the dispersion hemisphere, the dispersion hemisphere is fixedly connected with the tower body, the dispersion mechanism is arranged right above the dispersion hemisphere, and the dispersion mechanism is mechanically connected with the inner wall of the tower body. Realizing the high-efficiency dehydration of the natural gas.

Description

Efficient natural gas purification dehydration tower capable of forming multi-convection by utilizing scattered shower and scattered gas

Technical Field

The invention relates to the field of new energy purification, in particular to a high-efficiency natural gas purification dehydration tower which utilizes diffusion and gas diffusion to form multi-convection.

Background

Natural gas is a new energy source, and is mainly transported through a transportation pipeline after being purified after being mined from the ground surface, so that the natural gas is used for people to live, the natural gas is gradually cooled in a gas inlet pipeline, saturated water vapor in the natural gas is gradually separated out to form water and condensate liquid, the liquid flows along with the natural gas and is accumulated at a lower part of a pipeline, so that resistance is increased, hydrate is formed, the transportation of the natural gas is influenced, the natural gas is required to be dehydrated, triethylene glycol is generally used for dehydration, but the triethylene glycol and the natural gas in the existing dehydration tower have weak convection effect and cannot be fully contacted.

Disclosure of Invention

Aiming at the defects of the prior art, the invention is realized by the following technical scheme: utilize to loose drench and loose gas form many convective high-efficient natural gas purification dehydration tower, its structure includes first exit, tower body, second exit, the hemisphere of loosing gas, reaction chamber, looses and drenches the mechanism, first exit is installed on the tower body top, installs the second with first exit relative tower body bottom and imports and exports, the inner space of tower body is the reaction chamber, the reaction chamber bottom is equipped with the hemisphere of loosing gas, it is fixed that the hemisphere of loosing gas links up with the tower body, it drenches the mechanism to install to loose directly over the hemisphere of loosing gas, it drenches mechanism and tower body inner wall mechanical connection to loose.

The hemisphere of loosing gas mainly comprises breather pipe, spiral way, scattered gas pocket, hemisphere, install the breather pipe perpendicularly in the middle of the hemisphere is inside, the spiral way that has a screw thread form is opened to the hemisphere surface, the spiral way inner wall is equipped with the scattered gas pocket more than two, scattered gas pocket and breather pipe intercommunication, breather pipe length is than the radius of sphere of hemisphere will be long, the intercommunication is imported and exported to the second of breather pipe end and tower body bottom, hemisphere bottom outside and tower body inner wall swing joint.

As the further optimization of this technical scheme, it mainly comprises first umbrella curtaining dish, second umbrella curtaining dish, guide board to loose mechanism, the guide board is equipped with two and the two crisscross slant setting and the tower body inner wall of gas hemisphere top that looses, first umbrella curtaining dish, second umbrella curtaining dish are all for the triangular pyramid structure of constitutional structure unanimity but the two symmetry of each other about water flat line, first umbrella curtaining dish is located directly over the second umbrella curtaining dish, and just the triangular tip of first umbrella curtaining dish is just aimed at first exit immediately, first umbrella curtaining dish and second umbrella curtaining dish welding are at the tower body inner wall.

As the further optimization of the technical scheme, the guide plate is composed of a flat plate, blocking strips and liquid flow holes, the flat plate is of a V-shaped structure with an excessive included angle, one end of the flat plate is embedded into the inner wall of the tower body, the blocking strips are vertically welded to the other end of the flat plate, and the horizontal end of the flat plate is vertically provided with one liquid flow hole.

As the further optimization of the technical scheme, the first umbrella shower tray and the second umbrella shower tray are composed of connecting pieces, connecting clamps, water flowing holes and annular protrusions, the annular protrusions are more than two and connected with each other through the connecting clamps more than two to form a triangular cone empty frame, the gaps formed between the connecting clamps and the annular protrusions are the water flowing holes, more than two connecting pieces are evenly arranged on the outer sides of the outermost annular protrusions, and the tail ends of the connecting pieces are embedded into the inner wall of the tower body.

As a further optimization of the technical scheme, the diameter of the second inlet and outlet is smaller than that of the vent pipe, and two cuts are formed at the connecting position of the vent pipe and the second inlet and outlet.

As the further optimization of this technical scheme, the length of guide board is greater than the radius of tower body, and the liquid flow hole of two guide boards is on same axis, and two guide boards are crisscross to be installed from top to bottom, and the guide board set of upper place flows down to the guide board from the liquid flow hole, and the liquid flow hole of a guide board from below drips on the positive top of hemispheroid.

Advantageous effects

Compared with the prior art, the high-efficiency natural gas purification dehydration tower which utilizes the dispersed showering and the dispersed gas to form multi-convection has the following advantages:

1. two times of convection contact: the triethylene glycol barren solution entering from the first inlet and the first outlet of the tower body is scattered twice through the first umbrella tray and the second umbrella tray to form twice convection, the scattered triethylene glycol barren solution is in a drop shape, the contact area of the scattered triethylene glycol barren solution and natural gas from below is increased, and the water absorption capacity of the triethylene glycol barren solution is improved.

2. Third convection contact: the guide plate collects the triethylene glycol barren solution scattered by the first umbrella sprinkling plate and the second umbrella sprinkling plate, and the triethylene glycol barren solution is irrigated again by aiming at the hemispheres, so that the triethylene glycol barren solution is completely changed into triethylene glycol rich solution which absorbs moisture after natural gas is used once, and the moisture absorption efficiency is improved.

3. Dispersing natural gas: the second inlet and the second outlet are matched with the gas diffusion hemisphere, and the entered natural gas is discharged from the gas diffusion holes of the gas diffusion hemisphere in a multi-direction mode, so that the concentration of the natural gas in the same unit of the reaction cavity is reduced while the reaction cavity is completely filled with the natural gas, namely the amount of the natural gas which is in full contact with triethylene glycol barren solution in the same unit volume is reduced, and the moisture in the natural gas is completely absorbed.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural diagram of the high-efficiency natural gas purification dehydration tower of the present invention, which utilizes the dispersion and sprinkling to form multiple convection.

FIG. 2 is a schematic cross-sectional view of the multi-convection efficient natural gas purification dehydration tower of the present invention using spray and diffusion.

Fig. 3 is a schematic cross-sectional view of an air diffusing hemisphere of the present invention.

FIG. 4 is a schematic top view of the first and second umbrella plates of the present invention.

Fig. 5 is a schematic cross-sectional view of a guiding plate according to the invention.

In the figure: the device comprises a first inlet and outlet 1, a tower body 2, a second inlet and outlet 3, an air dispersing hemisphere 4, a reaction cavity 5, an air dispersing mechanism 6, an air vent 41, a spiral channel 42, an air dispersing hole 43, a hemisphere 44, a first umbrella shower plate 61, a second umbrella shower plate 62, a guide plate 63, a flat plate 631, a blocking strip 632, a liquid flow hole 633, the first umbrella shower plate 61, the second umbrella shower plate 62, a connecting piece 621, a connecting clamp 622, a water flow hole 623 and an annular bulge 624.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.

Examples

Referring to fig. 1-5, the present invention provides a multi-convection efficient natural gas purification dehydration tower using dispersion and dispersion, which comprises a first inlet/outlet 1, a tower body 2, a second inlet/outlet 3, a dispersion hemisphere 4, a reaction chamber 5, and a dispersion and dispersion mechanism 6, wherein the first inlet/outlet 1 is installed at the top end of the tower body 2, the second inlet/outlet 3 is installed at the bottom of the tower body 2 opposite to the first inlet/outlet 1, the reaction chamber 5 is located in the inner space of the tower body 2, the dispersion hemisphere 4 is installed at the bottom of the reaction chamber 5, the dispersion hemisphere 4 is fixedly connected with the tower body 2, the dispersion and dispersion mechanism 6 is installed right above the dispersion hemisphere 4, and the dispersion and dispersion mechanism 6 is mechanically connected with the inner wall of the tower body 2.

The air-diffusing hemisphere 4 mainly comprises an air pipe 41, a spiral passage 42, air-diffusing holes 43 and a hemisphere 44, the air pipe 41 is vertically installed in the middle of the inside of the hemisphere 44, the spiral passage 42 with a thread shape is formed in the outer surface of the hemisphere 44, the inner wall of the spiral passage 42 is provided with more than two air-diffusing holes 43, the air-diffusing holes 43 are communicated with the air pipe 41, the length of the air pipe 41 is longer than the spherical radius of the hemisphere 44, the tail end of the air pipe 41 is communicated with the second inlet and outlet 3 at the bottom of the tower body 2, and the outer side of the bottom of the hemisphere 44 is movably connected with the inner wall of the tower body.

It mainly comprises first umbrella shower plate 61, second umbrella shower plate 62, guide board 63 to loose mechanism 6, guide board 63 is equipped with two and the two crisscross slant sets up and 2 inner walls of tower body 4 tops of gas hemisphere, first umbrella shower plate 61, second umbrella shower plate 62 are all the triangular cone structure unanimous for the component structure but the two is symmetrical about the water flat line each other, first umbrella shower plate 61 is located directly over second umbrella shower plate 62, and just the triangular tip of first umbrella shower plate 61 is just aimed at first exit 1 immediately, first umbrella shower plate 61 and the welding of second umbrella shower plate 62 are at 2 inner walls of tower body.

Guide plate 63 comprises dull and stereotyped 631, rail 632, liquid flow hole 633, dull and stereotyped 631 is the V type structure that the contained angle exceeds 100 degrees, dull and stereotyped 631 one end embedding tower body 2 inner wall, dull and stereotyped 631 other end vertical welding has rail 632, dull and stereotyped 631 horizontal end is opened perpendicularly has a liquid flow hole 633.

The first umbrella shower tray 61 and the second umbrella shower tray 62 are composed of connecting pieces 621, connecting clips 622, water flowing holes 623 and annular protrusions 624, the annular protrusions 624 are more than two and are connected with each other through the connecting clips 622 more than two to form a triangular cone empty frame, the connecting clips 622 and the annular protrusions 624 two by two form a gap which is the water flowing holes 623, the outer sides of the annular protrusions 624 on the outermost side are evenly provided with the connecting pieces 621 more than two, and the tail ends of the connecting pieces 621 are embedded into the inner wall of the tower body 2.

The diameter of the second inlet/outlet 3 is smaller than that of the vent pipe 41, and two cuts are formed at the connecting position of the vent pipe 41 and the second inlet/outlet 3 for discharging the absorbed triethylene glycol rich liquid.

The length of the guide plate 63 is greater than the radius of the tower body 2, the liquid flow holes 633 of the two guide plates 63 are on the same axis, the two guide plates 63 are installed up and down in a staggered mode, the upper guide plate 63 is integrated to flow downwards to the guide plate 63 from the liquid flow holes 633, and the liquid flow holes 633 of the lower guide plate 63 drop to the positive top end of the hemispheroid 44.

Wet purified natural gas from a desulfurization unit enters a gas diffusion hemisphere 4 of a tower body 2 from a second inlet and outlet 3 and is diffused by more than two gas diffusion holes 41 and gas diffusion holes 43, triethylene glycol barren solution flows into a reaction cavity 5 from a first inlet and outlet 1 on the tower body 2 and gradually flows and diffuses from the top end to the bottom end of a first umbrella shower tray 61 along a connecting clamp 622 facing the first umbrella shower tray 61, so that the space on the same horizontal plane in the tower body 2 can be sprayed by the triethylene glycol barren solution, the natural gas is fully contacted with the triethylene glycol barren solution in a countercurrent way without omission, the triethylene glycol barren solution falling into a second umbrella shower tray 62 after being sprayed by the first umbrella shower tray 61 is scattered and diffused into a water drop shape again, the contact area of the triethylene glycol barren solution and the natural gas is increased, moisture is fully absorbed, and the triethylene glycol barren solution which has absorbed by the second umbrella shower tray 62 is fully received by two guide plates 63 which are installed in an inclined way to the bottom end and then flows down to the top end of a hemisphere 44 through a liquid flow hole 633, the triethylene glycol lean solution which has absorbed a part of moisture is poured onto the hemisphere 44 from top to bottom along the spiral channel 42 to flow to the lowest end, the moisture in the natural gas is absorbed in a short distance again, the triethylene glycol lean solution is enabled to be completely changed into the triethylene glycol rich solution which has absorbed the moisture, the triethylene glycol rich solution is discharged from the second inlet and outlet 3 of the tower body 2, and the natural gas from bottom to top is discharged from the first inlet and outlet 1 of the tower body 2 after three times of convection or countercurrent contact.

The problem to be solved by the invention is that the convection effect of triethylene glycol and natural gas of the existing dehydration tower is not strong and the triethylene glycol and the natural gas can not be fully contacted, through the mutual combination of the components, the invention breaks up twice convection by the cooperation of the air dispersing hemisphere 4, the reaction cavity 5 and the air dispersing and sprinkling mechanism 6, forms a water drop shape, increases the contact area, improves the water absorption efficiency of triethylene glycol, leads to third convection by one-time flow concentration irrigation, disperses the natural gas, ensures that triethylene glycol barren solution is completely changed into triethylene glycol pregnant solution which absorbs water, and realizes the efficient dehydration of the natural gas.

While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Utilize scattered drench and loose gas and form the high-efficient natural gas purification dehydration tower of many convections, its characterized in that: the structure of the device comprises a first inlet and outlet (1), a tower body (2), a second inlet and outlet (3), an air dispersing hemisphere (4), a reaction cavity (5) and an air dispersing mechanism (6), wherein the first inlet and outlet (1) is installed at the top end of the tower body (2), the second inlet and outlet (3) is installed at the bottom of the tower body (2) opposite to the first inlet and outlet (1), the reaction cavity (5) is arranged in the inner space of the tower body (2), the air dispersing hemisphere (4) is arranged at the bottom of the reaction cavity (5), the air dispersing hemisphere (4) is fixedly connected with the tower body (2), and the air dispersing mechanism (6) is installed right above the air dispersing hemisphere (4);

the air-dispersing hemisphere (4) mainly comprises an air pipe (41), a spiral channel (42), air-dispersing holes (43) and a hemisphere (44), wherein the air pipe (41) is vertically arranged in the middle of the interior of the hemisphere (44), the outer surface of the hemisphere (44) is provided with the spiral channel (42) in a threaded shape, the inner wall of the spiral channel (42) is provided with more than two air-dispersing holes (43), the air-dispersing holes (43) are communicated with the air pipe (41), the tail end of the air pipe (41) is communicated with a second inlet and outlet (3) at the bottom of the tower body (2), and the outer side of the bottom of the hemisphere (44) is movably connected with the inner wall of the tower body (2);

the dispersion sprinkling mechanism (6) mainly comprises a first umbrella sprinkling disc (61), a second umbrella sprinkling disc (62) and a guide plate (63), wherein the guide plate (63) is provided with two triangular cone structures which are staggered and obliquely arranged with the inner wall of the tower body (2) above the gas dispersion hemisphere (4), the first umbrella sprinkling disc (61) and the second umbrella sprinkling disc (62) are in a triangular cone structure with the same structure, but are mutually symmetrical about a horizontal line, the first umbrella sprinkling disc (61) is positioned right above the second umbrella sprinkling disc (62), the triangular tips of the first umbrella sprinkling disc (61) are vertically aligned with the first inlet and outlet (1), and the first umbrella sprinkling disc (61) and the second umbrella sprinkling disc (62) are welded on the inner wall of the tower body (2);

first umbrella shower plate (61), second umbrella shower plate (62) all comprise linking up piece (621), linking card (622), discharge orifice (623), annular arch (624) are equipped with more than two and link up through linking up card (622) more than two between two liang and constitute a triangular cone vacant rack, and two liang link up and constitute the hole between card (622) and annular arch (624) and be discharge orifice (623), and the protruding (624) outside of outermost annular evenly is equipped with linking piece (621) more than two, link up piece (621) end embedding tower body (2) inner wall.

2. The high efficiency natural gas purification dehydration tower utilizing spray and gas dispersion to form multiple convection currents according to claim 1, characterized in that: guide board (63) are by dull and stereotyped (631), block strip (632), liquid flow hole (633) and constitute, dull and stereotyped (631) surpasss the V type structure of 100 degrees for the contained angle, dull and stereotyped (631) one end embedding tower body (2) inner wall, the perpendicular welding of dull and stereotyped (631) other end has and blocks strip (632), dull and stereotyped (631) horizontal end is opened perpendicularly has a liquid flow hole (633).

3. The high efficiency natural gas purification dehydration tower utilizing spray and gas dispersion to form multiple convection currents according to claim 1, characterized in that: the diameter of the second inlet and outlet (3) is smaller than that of the vent pipe (41), and two cuts are formed at the connecting position of the vent pipe (41) and the second inlet and outlet (3).

4. The high efficiency natural gas purification dehydration tower utilizing spray and gas dispersion to form multiple convection currents according to claim 2, characterized in that: the length of guide board (63) is greater than the radius of tower body (2), and the liquid flow hole (633) of two guide boards (63) are on same axis, and two guide boards (63) are crisscross to be installed from top to bottom.