CN217163552U - Cyclone separator - Google Patents

Abstract

The utility model relates to an oil gas treatment facility technical field, concretely relates to cyclone, including barrel and the coaxial core pipe that sets up in the barrel that the axis extends along upper and lower direction, the barrel forms the stock solution section that is used for storing liquid in the below of core pipe, forms annular space between core pipe and the barrel, is provided with top-down in the annular space and is the whirl board that the spiral was arranged, is provided with the air inlet with the annular space intercommunication on the barrel, and the barrel is worn out and is provided with the gas vent in the upper end of core pipe, and the core pipe is including being used for setting up the section that sets up of whirl board, the exhaust hole is located below the middle part and the middle part that set up the section, and each exhaust hole all is located the top at the intermediate position of adjacent two circles whirl boards of core pipe. So guarantee that liquid can not get into the core pipe in, guarantee the gas-liquid separation effect for from the gas vent combustion gas does not contain liquid, and then guarantees that the gas through separation processing can directly discharge, can reduce environmental pollution.

Description

Cyclone separator

Technical Field

The utility model relates to an oil gas treatment facility technical field, concretely relates to cyclone.

Background

Gas injection of an oil production well is an important measure for improving the yield and the recovery ratio of a single well, and a large amount of gas is produced in the gas injection well during open flow or extraction production and needs to be subjected to gas-liquid separation. The application publication No. CN107557087A discloses a spiral-flow type gas-liquid separation device and method, wherein an inner cylinder (core tube) is coaxially arranged in a cylinder, a liquid storage section for storing liquid is formed below the inner cylinder in the cylinder, an air inlet communicated with an annular space is arranged on the cylinder, a spiral-flow plate which is spirally arranged from top to bottom is arranged in the annular space formed between the cylinder and the inner cylinder, liquid-containing gas flows down along the spiral-flow plate after entering from the air inlet, gas-liquid separation is carried out under the action of centrifugal force, impact and gravity, meanwhile, a great number of exhaust holes are arranged on the inner cylinder, the part of the inner cylinder provided with the exhaust holes is an open hole, the upper end of the inner cylinder penetrates out of the cylinder and is provided with an exhaust port, the bottom end of the inner cylinder is an open port, and the separated gas enters the inner cylinder through the exhaust holes and the open port and then is discharged from the exhaust port at the upper end.

However, the upper part of the inner cylinder of the gas-liquid separation device is also provided with the exhaust hole, the liquid-containing gas reaches the opening area without being separated, the liquid-containing gas easily enters the inner cylinder through the exhaust hole, and the liquid-containing gas entering the inner cylinder is also exhausted from the exhaust hole, so that the gas-liquid separation effect is poor, and the environment is polluted because the gas phase generally contains liquid and is directly exhausted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas-liquid separation is effectual, can reduce environmental pollution's cyclone.

In order to achieve the above object, the cyclone separator of the present invention adopts the following technical solutions:

the utility model provides a cyclone, includes barrel and the coaxial core pipe that sets up in the barrel that the axis extends along upper and lower direction, the barrel forms the stock solution section that is used for storing liquid in the below of core pipe, forms annular space between core pipe and the barrel, be provided with the whirl board that top-down is the spiral and arranges in the annular space, be provided with the air inlet with the annular space intercommunication on the barrel, the barrel is worn out and is provided with the gas vent to the upper end of core pipe, top-down is provided with a plurality of intercommunication core pipe inner chambers and annular space's exhaust hole on the core pipe, the core pipe is including being used for setting up the section that sets up of whirl board, the exhaust hole is located the middle part and the below the middle part that sets up the section, and each exhaust hole all is located the top in the intermediate position of adjacent two circles whirl boards of core pipe.

The beneficial effects of the above technical scheme are that: contain liquid gas and separate on the upper portion that sets up the section after getting into the barrel, when arriving and set up section middle part and below the middle part, the gas that is separated can enter into the core pipe through the exhaust hole and discharge from the gas vent, each exhaust hole all is located the top in the intermediate position of adjacent two rings whirl boards of core pipe simultaneously, prevent that the liquid by the separation from getting into in the exhaust hole, guarantee so all for the gas by the separation from the exhaust hole gets into in the core pipe, and liquid can not get into in the core pipe, make from the gas vent combustion gas not contain liquid, guarantee the gas-liquid separation effect, and then guarantee that the gas through separation treatment can directly discharge, reduce the pollution to the environment.

Furthermore, each exhaust hole is arranged at intervals along the direction of a set spiral line, and the screw pitch of the spiral line is equal to that of the spiral flow plate.

The beneficial effects of the above technical scheme are that: the exhaust holes are arranged at intervals along the direction of a spiral line with the same pitch as that of the spiral flow plate, the distance between each exhaust hole and the spiral flow plate below the exhaust hole is the same, the effect that each exhaust hole prevents liquid from entering is guaranteed to be the same, and meanwhile, the processing is facilitated.

Further, the distance between two adjacent exhaust holes in the direction of the spiral line is equal.

The beneficial effects of the above technical scheme are that: the distance between two adjacent exhaust holes in the direction of the spiral line is equal, the exhaust holes are uniformly distributed on the core pipe, the structure is more reasonable, and the overall exhaust effect is better.

Furthermore, the axial distance from the exhaust hole to the lower circle of the spiral-flow plate in the two adjacent circles of the spiral-flow plates is D, the axial distance from the exhaust hole to the upper circle of the spiral-flow plates in the two adjacent circles of the spiral-flow plates is D, and D is larger than or equal to 2D.

The beneficial effects of the above technical scheme are that: divide into the part between two adjacent circles of whirl boards on the core pipe into three-section along upper and lower direction equidistance, from the top down is last third one section, middle third one section and lower third one section in proper order, and the exhaust hole is located the last third one section between two adjacent circles of whirl boards, has further prevented that liquid from passing through the exhaust hole and has got into the core pipe, has guaranteed the result of use.

Further, a sealing plate is arranged at the bottom end of the core pipe.

The beneficial effects of the above technical scheme are that: if the bottom end of the core pipe is an open opening, when the liquid level in the cylinder body is higher, liquid below the core pipe can be reabsorbed by gas which is about to enter the open opening at the bottom end of the core pipe, and therefore the sealing plate arranged at the bottom end of the core pipe can ensure the gas-liquid separation effect.

Further, the air inlet is arranged at the top end of the barrel.

The beneficial effects of the above technical scheme are that: the gas containing liquid enters from the top end of the cylinder body, so that the gas and liquid can be separated from each other under the gas inlet in the cylinder body, the length of the cylinder body is effectively utilized, and the structure is more reasonable.

Furthermore, the part of the core pipe penetrating out of the cylinder body is L-shaped.

The beneficial effects of the above technical scheme are that: the part of the core pipe penetrating out of the cylinder body is L-shaped, so that the exhaust is more convenient.

Further, the bottom of the barrel is provided with a liquid outlet.

The beneficial effects of the above technical scheme are that: the bottom of the barrel body is provided with a liquid outlet, so that liquid can be discharged conveniently.

Further, the length of the liquid storage section is more than one fourth of the length of the cylinder.

The beneficial effects of the above technical scheme are that: the stock solution section can not the overlength influence whirl board and the length of core pipe, influences gas-liquid separation's effect, and the stock solution section also can not be too short and only can store a small amount of liquid for the interval time is very short just need with the liquid discharge in the barrel.

Further, the body portion of the cylinder is cylindrical, and the top and bottom portions thereof are hemispherical.

The beneficial effects of the above technical scheme are that: the cylindrical barrel is beneficial to the rotation of the gas containing liquid, and further beneficial to ensuring the centrifugal separation effect.

Drawings

FIG. 1 is a front view of a cyclone separator according to the present invention;

FIG. 2 is a side view of the cyclone separator of the present invention;

FIG. 3 is a broken away view of FIG. 1;

FIG. 4 is a broken away view of FIG. 2;

FIG. 5 is an enlarged view taken at A in FIG. 1;

FIG. 6 is an enlarged view at B of FIG. 1;

FIG. 7 is an enlarged view at C of FIG. 1;

fig. 8 is a schematic view of the local structure of the core tube and the swirl plate of the present invention.

In the figure: 1. a barrel; 2. a core tube; 3. a swirl plate; 4. an air inlet; 5. an exhaust port; 6. a liquid discharge port; 7. an exhaust hole; 8. a liquid storage section; 9. and (7) closing the plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, which may be present, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …," or the like, does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The features and performance of the cyclone separator of the present invention will be described in further detail with reference to the following examples.

The embodiment 1 of the middle cyclone separator of the utility model is as shown in fig. 1, fig. 2, fig. 3 and fig. 4, and the cyclone separator comprises a cylinder body 1, a core pipe 2 and a cyclone plate 3. The axis of barrel 1 extends along upper and lower direction, and the main part of barrel 1 is cylindricly, and top and bottom are hemispherical, and 1 top of barrel is provided with the air inlet 4 that supplies to contain liquid gas entering barrel 1, contains liquid gas and gets into from 1 top of barrel for the inside space of barrel 1 of air inlet 4 below all can become gas-liquid separation's space, has effectively utilized the length of barrel, and is structural more reasonable, is favorable to realizing the miniaturization.

As shown in fig. 1, the core tube 2 is coaxially disposed in the cylinder 1, and the remaining portion where the core tube 2 is not disposed forms a liquid storage section 8 for storing the separated liquid, and the liquid storage section 8 is located below the core tube 2. In order to guarantee the liquid storage effect, the length of the liquid storage section 8 is greater than one fourth of the length of the cylinder, so that the liquid storage section 8 cannot be too long to affect the lengths of the spiral-flow plate 3 and the core pipe 2, the gas-liquid separation effect is further affected, meanwhile, the liquid storage section 8 cannot be too short to store a small amount of liquid, and the liquid in the cylinder 1 is discharged within a short interval. As shown in fig. 1 to 4, the lower end of the cylinder 1 has a liquid discharge port 6 for discharging the liquid in the liquid storage section 8.

As shown in fig. 2 and 4, the upper end of the core tube 2 penetrates out of the cylinder 1, the part of the core tube 2 penetrating out of the cylinder 1 is L-shaped, and the port of the core tube is provided with an exhaust port 5 for exhausting gas after gas-liquid separation, so that the L-shape facilitates the exhaust.

As shown in fig. 3 and 5, an annular space is formed between the cylindrical body 1 and the core tube 2, and the annular space is communicated with the gas inlet 4 on the cylindrical body 1. As shown in fig. 6, 7 and 8, the spiral flow plate 3 is spirally arranged from top to bottom in the annular space, the inner edge of the spiral flow plate 3 is connected with the outer side wall of the core pipe 2, the outer edge of the spiral flow plate 3 is connected with the inner side wall of the cylinder body 1, so that the liquid-containing gas can only flow downwards in a spiral shape, and the gas and the liquid in the liquid-containing gas are separated under the action of centrifugation, impact and gravity.

As shown in fig. 1 and 3, the core pipe includes the section that sets up that is used for setting up the whirl board, the middle part that sets up the section and the part below the middle part are provided with exhaust hole 7, exhaust hole 7 intercommunication core pipe 2 inner chamber and annular space, the upper portion that sets up the section after the gaseous liquid that gets into from air inlet 4 separates, when arriving and setting up below the section middle part and the middle part, the gaseous core pipe 2 that gets into through exhaust hole 7 of passing through after the gas-liquid separation, the rethread gas vent 5 discharges, avoid just getting into from air inlet 4 still inseparable gaseous liquid that contains that gets into through exhaust hole 7 and get into in the core pipe 2.

Meanwhile, as shown in fig. 6, 7 and 8, each exhaust hole 7 is located above the middle position of the core tube 2 between two adjacent circles of the swirl plates 3. Specifically, the axial distance between the exhaust hole 7 and the lower ring of the swirl plate 3 in the two adjacent rings of the swirl plates 3 is D, and the axial distance between the exhaust hole 7 and the upper ring of the swirl plates 3 in the two adjacent rings of the swirl plates 3 is D, so that D is more than or equal to 2D. Divide into the three-section with the part between the adjacent two circles of whirl boards on the core pipe along upper and lower direction equidistance, from the top down is last third one section, middle third one section and lower third one section in proper order, and the exhaust hole is located the last third one section between the adjacent two circles of whirl boards, guarantees that the liquid that is separated on whirl board 3 can not follow exhaust hole 7 and get into in core pipe 2, guarantees the gas-liquid separation effect for the gas from 5 exhalations of gas vent does not contain liquid, and then guarantees that the gas through separation processing can directly discharge.

The concrete mode of setting up of exhaust hole 7 is as shown in fig. 6, fig. 8, and the direction interval of exhaust hole 7 along the helix of setting for is arranged on core pipe 2 equally to the pitch of the helix of this setting for equals with spiral-flow plate 3's pitch, guarantees that each exhaust hole 7 prevents that the efficiency that liquid got into is the same, and exhaust hole 7 distributes evenly, and the overall exhaust effect is better, has also made things convenient for processing simultaneously.

As shown in fig. 7, a sealing plate 9 is arranged at the bottom of the core tube 2, the sealing plate 9 seals the lower end of the core tube 2, and if the liquid level in the cylinder is high due to an open opening below the core tube 2, the separated liquid in the liquid storage section 8 below the core tube 2 is easily reabsorbed by the gas about to enter the open opening, so that the sealing plate arranged at the bottom end of the core tube 2 can ensure the gas-liquid separation effect.

The utility model provides a cyclone's working process does:

liquid-containing gas enters an annular space formed by the cylinder body 1 and the core pipe 2 from the gas inlet 4 and only can spirally descend under the blocking action of the rotational flow plate 3; under the action of gravity, centrifugal force and collision, the liquid phase flows downwards after being trapped by the cyclone plate 3 and is gathered to the liquid storage section 8 at the lower part of the cylinder 1. The gas enters the core body 2 through the exhaust holes 7 arranged along the spiral line at the middle part and the lower part of the setting section, and moves upwards to the exhaust port 5 for exhaust. When the liquid accumulated in the liquid storage section 8 is excessive, the liquid outlet 6 can be opened for discharging. The utility model discloses a cyclone can guarantee that liquid can not get into core pipe 2 in, guarantees the gas-liquid separation effect for from 5 combustion gas on the gas vent not containing liquid, and then guarantee that the gas through separation processing can directly discharge, reduce the pollution to the environment.

The utility model discloses embodiment 2 of well cyclone: in contrast to example 1, the length of the reservoir section may be less than or equal to one quarter of the length of the barrel, for example one fifth of the length of the barrel.

The utility model discloses embodiment 3 of well cyclone: unlike example 1, there was no drain port at the bottom of the cylinder, and the liquid in the cylinder was manually drawn or poured out at regular intervals.

The utility model discloses well cyclone's embodiment 4: unlike embodiment 1, the portion of the core tube extending out of the cylindrical body may have other shapes, such as a straight shape, as long as the gas can be discharged.

The utility model discloses well cyclone's embodiment 5: the difference with embodiment 1 is that the air inlet sets up in the middle part of barrel, as long as air inlet and annular space intercommunication guarantee that contain liquid gas can pass through the whirl board can.

The utility model discloses well cyclone's embodiment 6: unlike example 1, the bottom end of the core tube was open, and most of the gas entered the core tube through the vent holes, and a small portion entered through the bottom end open.

The utility model discloses well cyclone's embodiment 7: unlike in example 1, the bottom and top of the cylinder may have other shapes such as flat plate.

The utility model discloses well cyclone's embodiment 8: different from the embodiment 1, D is more than D and less than or equal to 2D, as long as each exhaust hole is positioned above the middle position of the core pipe between two adjacent circles of spiral-flow plates.

The utility model discloses well cyclone's embodiment 9: in contrast to exemplary embodiment 1, the distances between two adjacent exhaust openings in the direction of the spiral can also be unequal.

The utility model discloses well cyclone's embodiment 10: different from embodiment 1, each exhaust hole may not be arranged at intervals along the direction of the set spiral line, as long as each exhaust hole is located above the middle position of the core tube between two adjacent circles of spiral flow plates.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a cyclone separator, barrel (1) and the coaxial core pipe (2) that set up in barrel (1) that extend along upper and lower direction are followed to the axis, stock solution section (8) that are used for storing liquid are formed to below in core pipe (2) in barrel (1), form annular space between core pipe (2) and barrel (1), be provided with spiral flow plate (3) that top-down is the spiral and arranges in the annular space, be provided with air inlet (4) with the annular space intercommunication on barrel (1), barrel (1) is worn out and is provided with gas vent (5) to the upper end of core pipe (2), top-down is provided with exhaust hole (7) of a plurality of intercommunication core pipe (2) inner chambers and annular space on core pipe (2), its characterized in that: core pipe (2) are including being used for setting up the section that sets up of whirl board (3), exhaust hole (7) are located the middle part that sets up the section and below the middle part, and each exhaust hole (7) all are located the top in the intermediate position of adjacent two rings of whirl boards (3) of core pipe (2).

2. The cyclone separator of claim 1, wherein: each exhaust hole (7) is arranged at intervals along the direction of a set spiral line, and the screw pitch of the spiral line is equal to that of the spiral flow plate (3).

3. The cyclone separator of claim 2, wherein: the distance between two adjacent exhaust holes (7) in the direction of the spiral line is equal.

4. The cyclone separator according to any one of claims 1 to 3, wherein: the axial distance from the exhaust hole (7) to the lower circle of the swirl plate (3) in the two adjacent circles of the swirl plates (3) is D, the axial distance from the exhaust hole (7) to the upper circle of the swirl plate (3) in the two adjacent circles of the swirl plates (3) is D, and D is larger than or equal to 2D.

5. The cyclone separator according to any one of claims 1 to 3, wherein: the bottom end of the core tube (2) is provided with a sealing plate (9).

6. The cyclone separator according to any one of claims 1 to 3, wherein: the air inlet (4) is arranged at the top end of the cylinder body (1).

7. The cyclone separator according to any one of claims 1 to 3, wherein: the part of the core tube (2) penetrating out of the cylinder body (1) is L-shaped.

8. The cyclone separator according to any one of claims 1 to 3, wherein: the bottom of the cylinder body (1) is provided with a liquid outlet (6).

9. The cyclone separator according to any one of claims 1 to 3, wherein: the length of the liquid storage section (8) is more than one fourth of the length of the cylinder body (1).

10. The cyclone separator according to any one of claims 1 to 3, wherein: the main body part of the cylinder body (1) is cylindrical, and the top and the bottom of the cylinder body are hemispherical.

Images