CN103240190B - A kind of modified node method hydrocyclone - Google Patents
A kind of modified node method hydrocyclone Download PDFInfo
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- CN103240190B CN103240190B CN201310143170.0A CN201310143170A CN103240190B CN 103240190 B CN103240190 B CN 103240190B CN 201310143170 A CN201310143170 A CN 201310143170A CN 103240190 B CN103240190 B CN 103240190B
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Abstract
The present invention relates to a kind of modified node method hydrocyclone, it is characterized in that, it comprises overflow pipe, feed pipe, cylindrical section, syndeton, water structure, conical section and underflow pipe; Overflow pipe is connected by welding manner with cylindrical section, feed pipe is connected by welding manner with cylindrical section, cylindrical section, Flange joint is passed through between syndeton and conical section, the number of water structure is two, be separately positioned on middle part and the bottom of conical section, underflow pipe and conical section are threaded connection.Modified node method of the present invention can improve the service life of cyclone and reduce the corrosion of equipment.Because cyclone shell of column and the smooth arc surface of cone section replace original straight line intersection structure, the low-pressure area that original transition structure produces can be avoided, thus reduce the impulsive force of low-pressure area generation; By hydrocyclone structure innovation, reach and improve fine grained separative efficiency, compact conformation, easy to operate.
Description
[technical field]
The present invention relates to hydrocyclone technical field, specifically, is a kind of modified node method hydrocyclone.
[background technology]
Hydrocyclone is industrial widely used efficient separation equipment, under the influence of centrifugal force, utilize the density contrast between material or particle diameter difference to carry out two-phase or multiphase heterogeneous plant equipment be separated, there is the advantages such as easy to operate, separative efficiency is high, production capacity is large.Be widely used at many industrial circles such as ore dressing, mining industry, chemical industry, petroleum industry, light industry, environmental protection, food, medicine, weavings.
Hydrocyclone structure is simple, but interior flow field is very complicated, and analyze cyclone inner multiphase flow Flow Field Distribution rule, grasping the relation between cyclone parameter and Flow Field Distribution, is the key point of cyclone design and application.Generally speaking, what enter cyclone inside is the heterogeneous fluid of two-phase or three-phase, belongs to complicated multi-phase fluid movement, and the charging of cyclone is in shearing rotating flow at a high speed simultaneously, finally constitutes the inner heterogeneous flow field of high shear force complexity after the match of cyclone.
After two-phase or three-phase blending agent tangentially enter eddy flow chamber by entrance, High Rotation Speed in eddy flow chamber, produces strong eddy current.Later continuously and under the liquid-driving come, the rotation limit, liquid limit in eddy flow chamber upwards, move downward, its motion path is twist.The liquid rotated enters cone section downwards, and the internal diameter of cyclone reduces gradually, and liquid in rotation speed is accelerated relatively.There is density contrast due to two-phase medium or granularity is poor, make the centrifugal force suffered by two-phase medium different, lightweight decentralized photo moves to the low-pressure area of near axis, is gathered near axis, and rotation limit, limit moves up, and discharges from top overflow pipe; Isolated heavy phase is then discharged by the underflow pipe of bottom, thus reaches the object of separation.
At present, commercial Application hydrocyclone more and more requires to save energy and reduce the cost, and improves separative efficiency, requires meticulousr, the present invention is directed to these demands, improve the structure of traditional cyclone particle separation diameter.Novel cyclone pressure drop is little, energy-conservation, flow field is stablized, and is suitable for the sector applications such as ore dressing, chemical industry, environmental protection, potash fertilizer industry, raw work.
[summary of the invention]
The object of the invention is to overcome the deficiencies in the prior art, a kind of modified node method hydrocyclone is provided.
The object of the invention is to be achieved through the following technical solutions:
A kind of modified node method hydrocyclone, it comprises overflow pipe, feed pipe, cylindrical section, syndeton, water structure, conical section and underflow pipe; Overflow pipe is connected by welding manner with cylindrical section, feed pipe is connected by welding manner with cylindrical section, cylindrical section, Flange joint is passed through between syndeton and conical section, the number of water structure is two, be separately positioned on middle part and the bottom of conical section, underflow pipe and conical section are threaded connection.
Described water structure is made up of exterior circular column and inner cylinder, and be furnished with tangent line inlet opening at interior cylinder periphery, exterior circular column is connected with water source by pipeline; Water injects cyclone with certain pressure from the hole inner cylindrical wall.The area of water inlet is certain, along with the difference of cyclone treating capacity, adopts different flow velocity reinforced separating effects; These improvement can stablize cyclone interior flow field, reduce pressure drag, greatly improve fine grain classification efficiency simultaneously.
Described syndeton is smooth arc surface, and its structure meets the streamline of cyclone inner high speed eddy flow liquid, contributes to the stable of flow field; Such structure can steady flow condition, prevents flow field disorderly, contributes to improving gradation;
Feed pipe and cylindrical section by being welded to connect, making it into and being integrated in process; Cylindrical section, between special connecting structure and conical section by Flange joint, upper lower flange by flange gasket, with bolted together, complete connection; Overflow pipe welds in process as requested with cylindrical section, is integrally connected; Underflow pipe and conical section are threaded connection.
Compared with prior art, good effect of the present invention is:
(1) be connected with the smooth arc surface of cone section by cyclone shell of column, the non-fit motion that fluid occurs due to the existence of angle of suddenling change during axially-movable in cyclone can be avoided, thus the turbulent flow impact that reduction transition portion stream field causes; The steady flow condition obtained reduces internal friction resistance, reduces pressure drop.
(2) water structure then mainly in cyclone high reynolds number situation near wall formed boundary layer, the existence in boundary layer can cause segment fluid flow directly to enter underflow along wall, thus cause the fine grained in this part fluid to can not get being separated, affect the separating effect of cyclone.By boring in the middle part of section and the water injection hole of bottom, destroying boundary layer, its small particles is separated again.The water injection hole of bottom then fully ensures fine grain high separating efficiency, improves separation accuracy.
(3) modified node method can improve the service life of cyclone and reduce the corrosion of equipment.Because cyclone shell of column and the smooth arc surface of cone section replace original straight line intersection structure, the low-pressure area that original transition structure produces can be avoided, thus reduce the impulsive force of low-pressure area generation.
(4) this invention is by hydrocyclone structure innovation, reaches and improves fine grained separative efficiency, compact conformation, easy to operate.
[accompanying drawing explanation]
Fig. 1 structural representation of the present invention;
Being labeled as in accompanying drawing: 1 overflow pipe, 2 feed pipes, 3 cylindrical sections, 4 syndetons, 5 water structures, 6 conical section, 7 underflow pipes.
[detailed description of the invention]
The present invention is below provided a kind of detailed description of the invention of modified node method hydrocyclone.
Embodiment 1
Refer to accompanying drawing 1, a kind of modified node method hydrocyclone, overflow pipe 1, feed pipe 2, cylindrical section 3, syndeton 4, water structure 5, conical section 6 and underflow pipe 7; Overflow pipe is connected by welding manner with cylindrical section, feed pipe is connected by welding manner with cylindrical section, cylindrical section, Flange joint is passed through between syndeton and conical section, the number of water structure is two, be separately positioned on middle part and the bottom of conical section, underflow pipe and conical section are threaded connection.
Described water structure is made up of exterior circular column and inner cylinder, and be furnished with tangent line inlet opening at interior cylinder periphery, exterior circular column is connected with water source by pipeline; Water injects cyclone with certain pressure from the hole inner cylindrical wall.The area of water inlet is certain, along with the difference of cyclone treating capacity, adopts different flow velocity reinforced separating effects; These improvement can stablize cyclone interior flow field, reduce pressure drag, greatly improve fine grain classification efficiency simultaneously.
Described syndeton is smooth arc surface, and its structure meets the streamline of cyclone inner high speed eddy flow liquid, contributes to the stable of flow field; Such structure can steady flow condition, prevents flow field disorderly, contributes to improving gradation;
Feed pipe and cylindrical section by being welded to connect, making it into and being integrated in process; Cylindrical section, between special connecting structure and conical section by Flange joint, upper lower flange by flange gasket, with bolted together, complete connection; Overflow pipe welds in process as requested with cylindrical section, is integrally connected; Underflow pipe and conical section are threaded connection.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, without departing from the inventive concept of the premise; can also make some improvements and modifications, these improvements and modifications also should be considered within the scope of protection of the present invention.
Claims (1)
1. a modified node method hydrocyclone, is characterized in that, it comprises overflow pipe, feed pipe, cylindrical section, syndeton, water structure, conical section and underflow pipe; Overflow pipe is connected by welding manner with cylindrical section, feed pipe is connected by welding manner with cylindrical section, cylindrical section, Flange joint is passed through between syndeton and conical section, the number of water structure is two, be separately positioned on middle part and the bottom of conical section, underflow pipe and conical section are threaded connection;
Described water structure is made up of exterior circular column and inner cylinder, and be furnished with tangent line inlet opening at interior cylinder periphery, exterior circular column is connected with water source by pipeline; Water injects cyclone from the hole inner cylindrical wall;
Described syndeton is smooth arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310143170.0A CN103240190B (en) | 2013-04-23 | 2013-04-23 | A kind of modified node method hydrocyclone |
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| CN201310143170.0A CN103240190B (en) | 2013-04-23 | 2013-04-23 | A kind of modified node method hydrocyclone |
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| CN103240190A CN103240190A (en) | 2013-08-14 |
| CN103240190B true CN103240190B (en) | 2015-08-12 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106976930B (en) * | 2017-06-08 | 2020-09-18 | 长沙理工大学 | Hydrocyclone separator for sludge water, and treatment system and method for synchronous dissolution of sludge water concentration/coagulant |
| CN110013921A (en) * | 2019-05-13 | 2019-07-16 | 中国矿业大学 | A kind of secondary cleaning type classifying cyclone and its method |
| CN110813515A (en) * | 2019-12-12 | 2020-02-21 | 西藏华泰龙矿业开发有限公司 | High-efficiency swirler |
| CN113369026B (en) * | 2021-05-28 | 2022-05-06 | 赣江新区澳博颗粒科技研究院有限公司 | Superfine grading swirler and manufacturing process thereof |
| CN113351384B (en) * | 2021-06-07 | 2022-09-02 | 哈尔滨工业大学 | Bipyramid low consumption abrasionproof decreases hydrocyclone |
| CN113814076B (en) * | 2021-09-18 | 2023-05-02 | 中冶沈勘工程技术有限公司 | Hydrocyclone with diversion trench and backwash water |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5225082A (en) * | 1992-01-30 | 1993-07-06 | Amoco Corporation | Hydrocyclone with finely tapered tail section |
| CN2219161Y (en) * | 1995-01-25 | 1996-02-07 | 长沙工业高等专科学校 | Cylinder conical shell type hydraulic cyclone classificator |
| CN200991662Y (en) * | 2006-12-29 | 2007-12-19 | 中国石油大学(华东) | Cascade type cyclone separator |
| CN201220189Y (en) * | 2008-06-17 | 2009-04-15 | 上海理工大学 | Water cyclone with water injection on pyramid part |
| CN202238350U (en) * | 2011-09-08 | 2012-05-30 | 甘肃大禹节水集团股份有限公司 | Flushing-water type cyclone separator |
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