CN202238348U

CN202238348U - Multi-tube cyclone separator for natural gas purification

Info

Publication number: CN202238348U
Application number: CN2011201255207U
Authority: CN
Inventors: ***; 杨风允; 金有海; 王振波; 刘仁桓
Original assignee: China University of Petroleum East China
Current assignee: China University of Petroleum East China
Priority date: 2011-04-13
Filing date: 2011-04-13
Publication date: 2012-05-30
Anticipated expiration: 2021-04-13

Abstract

The utility model discloses a multi-tube cyclone separator for natural gas purification. The separator comprises main separating elements, namely an inlet and an air inlet cavity for generating inertia pre-separation, straight flow multiple tubes generating centrifugal separation, an exhaust cavity generating gravity settling, and a mist trap net generating coalescence separation in turn. By the multi-tube cyclone separator, liquid removal requirements of different working conditions can be better met, and the cyclone separator has low energy consumption, a compact structure and higher capacity of separating tiny drops.

Description

A kind of multicyclone separator that is used for natural gas purification

Technical field

The utility model relates to a kind of multicyclone separator that is used for natural gas purification, is with the water in the natural gas, the device that liquid phase impurity such as liquid hydrocarbon are removed.

Background technology

Traditional multicyclone separator that is used for natural gas purification is to make up through the centrifugation of inertial separation and reversible type eddy flow single tube to realize gas-liquid separation mostly; But the operating flexibility of this multicyclone is less; Separating power to fine drop is relatively poor, and the energy consumption of reversible type cyclone is bigger, structure and installation relative complex; In the face of present a large amount of natural gas transport at a distance in addition marine natural gas transport engineering, its application has received very big restriction.

The purpose of the utility model just is to overcome above-mentioned defective, and it is big to propose a kind of operating flexibility, and energy consumption is little, compact conformation and fine drop had the multicyclone separator of better separating power.

Summary of the invention

In order to achieve the above object, a kind of multicyclone separator that is used for natural gas purification of the utility model is by cylindrical shell, import, inlet chamber, division board; Lower clapboard, direct flow multipletube, exhaust chamber, following discharging tube; Following discharging tube is prevented adverse current plate, upper spacer, discharge chamber, mist extractor; Last discharging tube, last discharging tube is prevented the adverse current plate, gas vent, parts such as liquid collecting room and total discharging tube are formed.Resolution element in the separator be arranged with certain sequence, put in order for: mist extractor is placed on the top of discharge chamber, and direct flow multipletube is placed on the below of discharge chamber, and import is placed on the below of direct flow multipletube.

Limit wall flange air inlet is adopted in the utility model import, and simple in structure, pressure drop is less, and for drag characteristic preferably direct flow multipletube can satisfy the equally distributed requirement of air-flow.

The utility model import top many identical single flow single tubes of serving as reasons are uniformly distributed with and are connected in parallel on the direct flow multipletube of forming in the exhaust chamber and realize main gas-liquid separation; The single flow single tube internal diameter that adopts is 100mm; Length is 450～500mm, and the stator angle of outlet is 30 °～45 °, and the blast pipe internal diameter is 60～80mm; On the separator tube tube wall, open 4～6 latasuture discharge opeings, the latasuture width is 8～12mm.This kind single flow cyclone is to the variation of tolerance, and the variation of liquid content has good adaptive capacity, and operating flexibility is bigger, and pressure drop is very low, and energy consumption is very little, is combined into behind the multitube tolerance and is prone to evenly distribute and is easy to and install.

There is a relatively large discharge chamber the utility model direct flow multipletube top, because gravitational settling can play certain centrifugation.

Place a mist extractor in the utility model discharge chamber, can fine drop of from direct flow multipletube, carrying escape secretly or droplet coarse separation be got off, thereby improve the separating power of whole separator greatly fine drop.

One liquid islocation plate is set between the utility model import and the liquid collecting room; By a diameter is that plectane and four supports that are welded between plectane and the cylindrical shell of 0.8～0.9 times of separator cylindrical shell diameter are formed, and can prevent to have separated the liquid that drains into liquid collecting room and carried secretly away again by air-flow.

Discharging tube is installed an anti-adverse current plate with following discharging tube lower end on the utility model multicyclone separator; By an end opening diameter is that cone-plate and two supports that are welded between cone-plate and the discharging tube of 0.9～0.95 times of discharging tube diameter are formed; Can prevent the adverse current that causes owing to the pressure reduction between inlet plenum and exhaust chamber, the discharge chamber, thereby cause that the obstruction of discharging tube or discharge opeing have some setbacks.

Advantage and the good effect that the utility model is a kind of to be used for the multicyclone separator of natural gas purification is that separating component with different principle is by rational sequential combination; What can obtain adapting to different operating modes removes the liquid needs; Energy consumption is low; Compact conformation, and fine drop had the separator of separating power preferably.

Description of drawings

Fig. 1 is a kind of multicyclone cyclone separator arrangement sketch map that is used for natural gas purification of the utility model.

Fig. 2 is the structural representation (amplification) of single flow single tube among Fig. 1.

Fig. 3 is the front view (amplification) of the structural representation of division board among Fig. 1.

Fig. 4 is the vertical view (amplification) of the structural representation of division board among Fig. 1.

Fig. 5 is the front view (amplification) of the structural representation of the anti-adverse current plate of discharging tube among Fig. 1.

Fig. 6 is the vertical view (amplification) of the structural representation of the anti-adverse current plate of discharging tube among Fig. 1.

The specific embodiment

As shown in Figure 1, a kind of multicyclone separator device that is used for natural gas purification of the utility model comprises cylindrical shell 1, import 2; The inlet chamber 11 that lower clapboard 3 and liquid islocation plate 15 surround, the liquid collecting room 9 that liquid islocation plate 15 and cylindrical shell 1 surround is with upper spacer 5 and the lower clapboard 3 firm direct flow multipletubes 4 that are connected; With and the exhaust chamber 13 that surrounds, the exhaust chamber 14 that upper spacer 5 and mist extractor 6 surround, outlet 7; Total discharging tube 8, last discharging tube 10, last discharging tube is prevented adverse current plate 17; Following discharging tube 12, following discharging tube is prevented adverse current plate 16.

Fig. 2 is the structural representation of the employed single flow single tube of the utility model multicyclone separator.The single flow single tube comprises separator tube 21, preceding deflection cone 18, stator 19, back deflection cone 20, latasuture 22, blast pipe 23.The single tube internal diameter is 100mm, and length is 450～500mm, and the stator angle of outlet is 30 °～45 °, on separator tube 20, opens 4～6 latasutures, and the latasuture width is 8～12mm, and the blast pipe internal diameter is 60～80mm.

Shown in Figure 3 in the utility model multicyclone separator for preventing that air inlet from carrying away the liquid that separation drains into liquid collecting room secretly establish division board again; Comprise that a diameter is the plectane 25 of 0.8～0.9 times of separator diameter, and four are welded on passive bracing frame 24 between plectane 25 and the cylindrical shell 1.

Shown in Figure 5ly be the anti-adverse current plate for preventing to establish in the utility model multicyclone discharging tube owing to the adverse current that the pressure reduction between inlet plenum and exhaust chamber, the discharge chamber causes; Comprise that an end opening diameter is the cone-plate 27 of 0.9～0.95 times of separator diameter, and two are welded on passive bracing frame 26 between cone-plate 27 and the discharging tube 10.

During use, the divided gas flow of treating that contains drop gets into separator inlet chamber 11 by import 2, and airflow direction is transferred upwards by level; The big drop of part gets into direct flow multipletube 4 because action of inertia is separated gets off, drop direct flow multipletube 4 in owing to the effect of revolving of making of stator 19; Under action of centrifugal force, be thrown to Bian Bishang, enter exhaust chamber 13 through latasuture 22, discharging tube 11 is drained into liquid collecting room 9 under the warp again; Finally discharged by total discharging tube 8, gas carries a small amount of fine drop and gets into exhaust chamber 14 through blast pipe 23, and the effect owing to gravitational settling in exhaust chamber 14 can separate a part of drop; Gas is through mist extractor 6 subsequently, because coalescence effect, fine drop can be got off to be settled down on the upper spacer 5 by coarse separation; Drain into liquid collecting room 9 through last discharging tube 10, clean gas then leaves separator through outlet 7.

Less when tolerance, when size droplet diameter is big, just can reach very high separative efficiency through the inertial separation of inlet chamber 11 and the centrifugation of direct flow multipletube 4; When tolerance bigger; Size droplet diameter hour; The centrifugation of the inertial separation of inlet chamber 11 and direct flow multipletube 4 can be removed by the drop that major part is bigger, be entrained in the high velocity air but some fine drop or droplet can pass direct flow multipletube 4, and high velocity air can be sheared established liquid film and makes its broken fine drop or droplet of producing; These fine drop or droplet can be got off by mist extractor 6 coarse separation, and have avoided the generation of liquid flooding phenomenon.

In sum, what the utility model can better adapt to different operating modes removes the liquid needs, and energy consumption is low, compact conformation, and fine drop had separating power preferably.

Claims

1. a multicyclone separator that is used for natural gas purification comprises cylindrical shell (1), import (2); The liquid collecting room (9) that the inlet chamber (11) that lower clapboard (3) and liquid islocation plate (15) surround, liquid islocation plate (15) and cylindrical shell (1) surround, the direct flow multipletube (4) that firmly is connected with upper spacer (5) and lower clapboard (3); With and the exhaust chamber (13) that surrounds, the exhaust chamber (14) that upper spacer (5) and mist extractor (6) surround, outlet (7); Total discharging tube (8), last discharging tube (10), last discharging tube is prevented adverse current plate (17); Following discharging tube (12), following discharging tube is prevented adverse current plate (16).

2. a kind of multicyclone separator that is used for natural gas purification according to claim 1; It is characterized in that: the resolution element in the separator be arranged with certain sequence; Put in order for: mist extractor (6) is placed on the top of discharge chamber (14); Direct flow multipletube (4) is placed on the below of discharge chamber (14), and import (2) is placed on the below of direct flow multipletube (4).

3. a kind of multicyclone separator that is used for natural gas purification according to claim 1; It is characterized in that: direct flow multipletube (4) is formed in parallel by many identical single flow single tubes, and employed single flow single tube internal diameter is 100mm, and total length is 450～500mm; The stator angle of outlet is 30 °～45 °; On separator tube (20), open 4～6 latasutures, latasuture (22) width is 8～12mm, and blast pipe (23) internal diameter is 60～80mm.