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Sediment concentration coil pipe

A sediment and spiral technology, which is applied in the field of solid-liquid mixed fluid separation, can solve the problems of high moisture content of dredged silt slurry and long time required for free settlement, etc., and achieve small local head loss, simple structure and small flow resistance Effect

Inactive Publication Date: 2013-07-03
CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY +1
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

In order to solve the problems of high water content of dredging silt slurry and long time required for free settlement in the filling site, and improve construction efficiency

Method used

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  • Sediment concentration coil pipe
  • Sediment concentration coil pipe

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Experimental program
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Effect test

Embodiment 1

[0012] Example 1: The upper and lower ends of the sediment concentration coil are the upper circular pipe inflow section 1 and the lower circular pipe outflow section 3 respectively, and the middle spiral pipe section 2 is two or more semicircular curved pipes connected by spiral descending.

[0013] The diameter of the spiral pipe 2 should be consistent with the pipe diameter of the outlet and inlet ends.

[0014] The radius of the longitudinal axis of the curved pipe that forms the spiral pipe 2 and the angle between the horizontal plane and the spiral descent after connection are designed according to the actual situation and separation requirements.

[0015] After the mud-water mixture enters the spiral pipe 2, it will form a three-dimensional spiral flow, and the sediment with higher density will be thrown to the outside of the pipe away from the center of the arc section, so that the sediment concentration on the outer side of the outflow section 3 will be higher, whi...

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Abstract

The invention discloses a sediment concentration coil pipe used for water-sediment separation, and the device comprises a circular pipe inflow section 1, a spiral pipe section 2, a circular pipe outflow section 3, a diverter valve 4, a light liquid discharge pipe 5, and a diverter tongue 6. A water sediment mixture enters from the inflow section 1; when the mixture flows through the spiral pipe section 2, three dimensional annular spiral flow is formed by the shape characteristic of the part; sediment particles with larger density than water are thrown to a side wall at the outer side of a curved pipe; when water flows out from the outflow section 3, the sediment is in ordered distribution (sediment near the side wall at the outer side of the curved pipe has a higher concentration, and sediment near the side wall at the inner side of the curved pipe has a lower concentration); with the diverter valve 4, water with a low sediment concentration is discharged through the light liquid discharge pipe 5, so as to increase the sediment concentration of the water sediment mixture. The invention is large in processing capacity, low in energy consumption, low in cost, simple in use, and wide in applicable scope.

Description

technical field [0001] The invention belongs to the field of solid-liquid mixed fluid separation, and relates to a solid-liquid separation device for pumping seabed sludge, which can concentrate the mud-water mixture, separate the sediment and water in an orderly manner to achieve the elimination of low-concentration water, and improve the efficiency of entering the filling. The purpose of the solid content of the construction mud. Background technique [0002] With the development of coastal port construction, a large amount of seabed silt needs to be excavated in order to dredge channels and expand berths. At the same time, some ports still have insufficient land area, so land reclamation must be used to meet the needs of port construction. Using dredged silt for land reclamation is a good way to kill two birds with one stone and turn waste into profit. The engineering properties of hydraulic dredged silt are generally poor, mainly manifested in high clay content, high mo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D21/26
Inventor 陈铂蒋昌波赵利平黄良材陈绍文刘胜宇喻黎明陈宏
Owner CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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