CN201412680Y - Axial-flow fluid vortex generator used on oil-gas delivery pipe - Google Patents

Abstract

The utility model relates to an oil-gas mixture fluid delivery device, in particular to an axial-flow fluid vortex generator used on an oil-gas delivery pipe, which is formed by an inlet end, a shelland an outlet end in a connecting way. A device formed by an inlet guide cone, helical blades, a middle body, an outlet guide cone in a connecting way is arranged in the shell. The internal end of thehelical blades is fixed on the middle body and the external end of the helical blades is fixed on the shell. The utility model has the advantages that the mixture fluid can flow in the pipe in a helical way and a layering way, the paraffin and scale buildup amounts in the delivery pipe are decreased by more than 90 percent when compared with the traditional pure axial delivery, the workload of cleaning the paraffin and scale buildup is reduced, the delivery kinetic energy loss is reduced, the delivery efficiency is improved and the delivery cost is reduced. Moreover, the device can be used for the delivery of the mixture fluid in the chemical field, the medical field, the food field and the like.

Description

Be used in the axial-flow fluid vortex generator on the pipe-line

Technical field

The utility model relates to a kind of feedway of gas mixture fluid.

Background technique

Oil gas by line transportation, contain materials such as crude oil, rock gas, water, wherein also there are a large amount of paraffin and foulant in the crude oil, these paraffin and foulant can be deposited on the inwall of conveyance conduit in conveying, after the certain time, sludge can be long-pending more thick more, and the effective drift diameter of conveyance conduit will be more and more littler, and the conveying capacity of pipeline just descends greatly.In order to strengthen conveying capacity, traditional way is regularly pipeline to be carried out the paraffin removal scale removal with modes such as high-temperature steam dissolving or mechanical expansions to handle, these method working strengths are big, elimination efficiency is low, long-pending once more easily again wax fouling after the removing, remove DeGrain, just cause oil gas to carry the rising of cost.And the material composition that comprises in the gas mixture is many, and density differs, in conveying, each material is mixed in together, under same kinetic energy effect, each is inconsistent for transporting velocity, certainly will increase the frictional force between each material, has reduced the transfer efficiency of pipeline integral body.

The model utility content

The purpose of this utility model is to overcome problems such as amassing the wax fouling in traditional oil gas conveying, and a kind of device---axial-flow fluid vortex generator that can effectively improve the oil gas conveying capacity, reduce the conveying cost is provided.

The technical solution of the utility model is: linked into an integrated entity by entrance point (7), shell (2), outlet end (1); One group of device that is formed by connecting by import flow deflecting cone (6), helical blade (5), intermediate (4), outlet flow deflecting cone (3) is arranged in shell (2); Helical blade (5) the inner is fixed on the intermediate (4), and the outer end is fixed on the shell (2).

During use, this axial-flow fluid vortex generator is connected on the conveyance conduit.The constouctional material of the mixture fluid during oil gas is carried mainly comprises oil, rock gas, water, paraffin and dirty thing etc., and its density putting in order from big to small is: water＞oil＞paraffin and dirty thing＞rock gas.When the mixture fluid band is pressed when conveyance conduit enters vortex generator, import the spiral space of forming with intermediate, helical blade and outer casing inner wall by the import flow deflecting cone, mixture fluid becomes helical flow in spiral space by axial flow, and part kinetic energy changes into centrifugal energy.---oil---paraffin and the dirty thing---hierarchal arrangement of rock gas that under centrifugal action, because the density difference of the various materials of mixture fluid, layering has just appearred in the helical flow of mixture, and is to present water by the density size to the axle center along outer casing inner wall.Under the packing pressure effect, mixture fluid will enter next section conveyance conduit by outlet flow deflecting cone, outlet end according to the mode of helical flow and hierarchal arrangement.In the conveying of hierarchal arrangement mode, paraffin in the mixture fluid and the dirty thing layer that mediates, do not contact mutually because of the separation of water layer and oil reservoir with inner tube wall, avoided it to stick like this and be deposited on the inner-walls of duct, cause line clogging and cause conveying capacity to descend.And, the laminar flow of mixture fluid, its each constouctional material promptly forms relatively independent fluidized bed, compares with pure axial flow, has reduced because of each material mixes and has carried the big frictional force that produces, and has improved transfer efficiency.In the line transportation of long distance, the decay of kinetic energy can appear, and in order to reduce long-pending wax fouling, every 2Km---5Km is provided with an axial-flow fluid vortex generator.In addition, the flow deflecting cone that import and export is provided with, can effectively alleviate because the turbulent flow of the intermediate portion that the mixture fluid helical flow forms, turbulent flow can cause the loss of kinetic energy, rotational speed and the axial velocity just can keep relative stability of mixture fluid flowing in pipeline like this, reduce the pressure that brings to pipeline, improved transfer efficiency.And according to mixture constouctional material and each material proportion different in mixture, helical blade spiral such as can be made or become the mode of spiral, also can improve transfer efficiency.Simultaneously, according to the requirement under difference manufacturing, installation and the maintenance condition, interior arrangement and outer cover body in this model utility shell can be made non-removable integral structure, also can make dismountable inside and outside body structure that divides.And the utility model need can not be realized spiral and axial flow by originally kinetic energy and isolated centrifugal force at the mixture additional any power in back that flows, and has reduced in the way dependence to external power.At last, the whole parts of the utility model are sealed in the shell, and link to each other with pipeline is airtight, and finishing is simple, and is safe and reliable to operation.

The utility model can make the paraffin in the line transportation compare minimizing with traditional pure axial conveying more than 90% with the scale deposition amount.Also reduce the workload of cleaning wax deposition incrustation, reduced the conveying kinetic energy rejection, improved transfer efficiency, reduced the conveying cost.Simultaneously, the utility model also goes for the mixture fluid transportation in fields such as chemical industry, medicine, food.

Description of drawings

Fig. 1: the overall structure schematic representation that is used in the axial-flow fluid vortex generator on the pipe-line.

Embodiment

Narrate an embodiment of the present utility model below in conjunction with accompanying drawing.

Fig. 1 is the axial-flow fluid vortex generator that is used on the pipe-line.Comprise: entrance point (7), shell (2), outlet end (1), import flow deflecting cone (6), helical blade (5), intermediate (4), outlet flow deflecting cone (3).Entrance point (7), shell (2), outlet end (1) are welded into a pipeline.Import flow deflecting cone (6) in the shell (2), helical blade (5), intermediate (4), outlet flow deflecting cone (3) are welded into composite set.Helical blade (5) the inner is fixed on the intermediate (4), and the outer end is fixed on the shell (2).During use, this axial-flow fluid vortex generator is directly connected on the oil and gas pipes, every 3Km is provided with an axial-flow fluid vortex generator.

Claims (1)

1. an axial-flow fluid vortex generator that is used on the pipe-line is characterized in that: linked into an integrated entity by entrance point (7), shell (2), outlet end (1); One group of device that is formed by connecting by import flow deflecting cone (6), helical blade (5), intermediate (4), outlet flow deflecting cone (3) is arranged in shell (2); Helical blade (5) the inner is fixed on the intermediate (4), and the outer end is fixed on the shell (2).

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