CN210933900U

CN210933900U - Separating tank with strengthened oil-water separation function

Info

Publication number: CN210933900U
Application number: CN201921682684.2U
Authority: CN
Inventors: 李绍果; 王新峰; 李祖瑜; 袁海鹏; 高洋; 赵天明; 姜军
Original assignee: Dalian Chemical Institute Co ltd
Current assignee: Dalian Chemical Institute Co ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-07-07
Anticipated expiration: 2029-10-10

Abstract

A separation tank with an enhanced oil-water separation function comprises a separation tank cylinder body, wherein a rectifying plate and a coalescence assembly are arranged in the separation tank cylinder body, and a heavy phase outlet and a light phase outlet are formed in the side wall of the separation tank cylinder body; the rectifying plate is arranged perpendicular to the axis of the separating tank cylinder body and divides the interior of the separating tank cylinder body into a feeding cavity and a separating cavity; a liquid accumulating device and a distributor connected with the liquid accumulating device are fixed in the feeding cavity, and a feeding hole is formed in the wall of the feeding cavity; the coalescence assembly is fixed in the separation chamber, and this coalescence assembly includes a plurality of swash plates that are parallel to each other, and the swash plate all is fixed in the separation chamber along the axial direction of knockout drum barrel and makes the intersecting line between the radial plane of swash plate and knockout drum barrel be the slash that is parallel to each other, and the end distribution of swash plate has the separation hole, and the lower extreme of every separation hole is equipped with the water conservancy diversion piece. The utility model discloses make simply, strengthened oil-water separation's effect greatly through structural design, safety ring protects and easily washs and maintains.

Description

Separating tank with strengthened oil-water separation function

Technical Field

The utility model relates to a liquid-liquid separation device, especially a separator tank of strengthening oil-water separation function.

Background

In the field of petrochemical industry, a liquid-liquid separation device is often required to separate an organic solution to obtain an organic phase and a water phase. In the liquid-liquid separation process, oil-water separation is the most common, the oil-water separation device mainly separates oil or other organic matters which are insoluble in water and light in weight from water, the traditional oil-water separation device has a very complicated structure with an excellent separation effect, the oil-water separation device is difficult to manufacture, and the pressure loss of a system is large; the oil-water separation device is simple in structure, and generally only adopts the structure that the separation box is internally provided with the partition plate to separate the separation box into the oil-water separation cavity and the water drainage cavity which are communicated at the lower part, the side wall of the oil-water separation cavity is provided with the oil outlet, and the side wall of the water drainage cavity is provided with the water outlet.

Disclosure of Invention

The utility model aims at providing a simple structure, effectively improve the separator tank of the intensive water oil separating function of water oil separating efficiency.

The utility model provides a technical scheme that prior art problem adopted: a separation tank with an enhanced oil-water separation function comprises a separation tank cylinder body, wherein two ends of the separation tank cylinder body are hemispherical, the middle section of the separation tank cylinder body is cylindrical, a rectifying plate and a coalescence assembly are arranged in the separation tank cylinder body, and a heavy phase outlet and a light phase outlet are formed in the side wall of the separation tank cylinder body; the rectifying plate is perpendicular to the axis of the separating tank cylinder and divides the inside of the separating tank cylinder into a feeding cavity and a separating cavity; a liquid accumulation device and a distributor connected with the liquid accumulation device are fixed in the feeding cavity, a feeding hole is formed in the cylinder wall of the feeding cavity, and the end of the liquid inlet above the liquid accumulation device is positioned right below the feeding hole; the coalescence assembly is fixed in the separation cavity and comprises a plurality of mutually parallel inclined plates, and the inclined plates are fixed in the separation cavity along the axial direction of the separation tank cylinder body and enable intersecting lines between the inclined plates and the radial plane of the separation tank cylinder body to be mutually parallel oblique lines; the tail end of the inclined plate is provided with an opening area, the opening area is distributed with separation holes, and the lower end of each separation hole is provided with a flow deflector.

The included angle between the oblique line and the horizontal line is 10-60 degrees.

The area of the open hole area accounts for 5% -40% of the area of the inclined plate.

The included angle between the flow deflector and the inclined plate is 5-60 degrees.

The separation hole is a circular through hole with the aperture of 5 mm-50 mm.

The rectifying plate is a porous plate.

The separating tank barrel is a horizontal barrel, a separating hopper communicated with the separating cavity is arranged at the tail end of the separating cavity, and the heavy phase outlet is arranged at the liquid output end of the separating hopper.

The liquid output end of the distributor faces downwards or the end socket side of the feeding cavity, and the diameter ratio of the liquid output end of the distributor to the feeding hole is 1.5: 1-6: 1.

the hydrops ware top-down includes cylinder section and circular cone section, the height of cylinder section is 5~500mm, and the ratio of the height of circular cone section and the equivalent diameter of hydrops ware is 0.1: 1-0.2: 1.

the coalescing element is secured at one end to a sidewall of the separation chamber.

The beneficial effects of the utility model reside in that: the utility model discloses simple structure, through set up the perforated plate in the separator cylinder as the cowling panel and with the separator cylinder internal split into feeding chamber and separation chamber, the coalescence subassembly that the swash plate that is parallel to each other constitutes is set up as the separation subassembly in the inside of separation chamber, the separation hole that utilizes the terminal setting of swash plate can filter the water-insoluble and the lighter oil of quality or other organic matters in the organic matter solution, the water of separation will export through the heavy phase, and the light oil of quality or other organic matters that the separation hole department filtered off will flow down and export through the light phase through the water conservancy diversion piece that the separation hole lower extreme set up. The utility model discloses make simply, strengthened oil-water separation's effect greatly through structural design, safety ring protects and easily washs and maintains.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of fig. 1 from direction a-a.

Fig. 3 is an enlarged view of a portion B of fig. 1.

Fig. 4 is a schematic structural diagram of the swash plate of the present invention.

Fig. 5 is a cross-sectional view C-C of fig. 4.

In the figure: 1-a separation tank cylinder body, 2-a rectifying plate, 3-a coalescing assembly, 4-a liquid accumulator, 5-a liquid separating pipe, 6-a distributor, 7-a feeding cavity, 8-a separation cavity, 9-a feeding hole, 10-a liquid separating hopper, 11-a heavy phase outlet, 12-a light phase outlet, 3 a-an inclined plate, 3 b-an open hole area, 3 c-a separation hole, 3 d-a flow guide sheet, 4 a-a cylindrical section and 4 b-a conical section.

Detailed Description

The present invention is described below with reference to the accompanying drawings and the embodiments:

fig. 1 is a schematic structural diagram of a separation tank for strengthening the oil-water separation function of the present invention. The utility model provides an strengthen knockout drum of oil-water separation function, includes that both ends are hemisphere, middle section for columniform knockout drum barrel 1, this knockout drum barrel 1 can also be horizontal for vertical, the preferred horizontal barrel of this embodiment: as shown in fig. 1, a rectifying plate 2 and a coalescing element 3 are provided in a separator tank body 1, and a porous plate is preferably used as the rectifying plate 2. The rectifying plate 2 is perpendicular to the axis of the separating tank cylinder 1, and the rectifying plate 2 divides the interior of the separating tank cylinder 1 into a feeding cavity 7 and a separating cavity 8; feed cavity 7 internal fixation has hydrops ware 4, and the below of hydrops ware 4 links to each other with distributor 6 through dividing liquid pipe 5, has seted up feed inlet 9 on the section of thick bamboo wall of feed cavity 7 to make the inlet port end of hydrops ware 4 top be located feed inlet 9 under, the preferred ratio of dividing 5 diameters of liquid pipe and 9 diameters of feed inlet is 0.2: 1-2: 1. Wherein, in order to make the solution sufficiently diffuse in the feeding chamber 7 to make the solution entering the coalescing assembly 3 uniformly distributed, the liquid output end of the distributor 6 faces downward or the head side of the feeding chamber 7, and the diameter ratio of the liquid output end of the distributor 6 to the feeding port 9 is 1.5: 1-6: 1. as a preferred embodiment of the present invention, as shown in fig. 3, the liquid accumulator 4 comprises a cylindrical section 4a and a conical section 4b from top to bottom, the height of the cylindrical section 4a is 5-500 mm, and the ratio of the height of the conical section 4b to the equivalent diameter of the liquid accumulator 4 is 0.1: 1-0.2: 1 to achieve a sufficient pressure diffusion of the solution in the feed chamber 7 for a preset buffer time.

Fig. 2-4 show the structure of the coalescing assembly 3: the coalescence assembly 3 comprises a net-shaped shell and a plurality of mutually parallel inclined plates 3a fixed in the net-shaped shell, wherein each inclined plate 3a is fixed in the separation cavity 8 along the axial direction of the separation tank cylinder 1, the intersecting lines between the inclined plates 3a and the radial planes of the separation tank cylinder 1 are mutually parallel oblique lines (shown in figure 2), and the included angles between the oblique lines and the horizontal lines are 10-60 degrees, namely, in the horizontal separation tank cylinder, the inclined plates 3a and the horizontal planes form an inclined angle of 10-60 degrees and are fixed in the separation cavity. The end of the inclined plate 3a is provided with a perforated area 3b, the area of the perforated area 3b accounts for 5% -40% of the area of the inclined plate 3a, circular separation holes 3c (shown in figure 4) with the aperture of 5 mm-50 mm are distributed in the perforated area 3b, the lower end of each separation hole 3c is provided with a flow deflector 3d, and the included angle between each flow deflector 3d and the inclined plate 3a

From 5 to 60 (shown in FIG. 5). As shown in fig. 1, the coalescing assembly 3 is integrally fixed at one end to the side wall of the separation chamber 8, and the length to diameter ratio of the horizontal separator tank body 1 is preferably 2: 1-10: 1, the height of the coalescer element 3 is maintained at 100 to 1500mm (similarly, the height-diameter ratio of the vertical separator tank body 1 is preferably 2:1 to 10: 1, and the length of the coalescer is maintained at 100-1500 mm) is determined according to the buffering time of the feeding, and the preferable buffering time of the feeding is 15-600 min.

As shown in fig. 1, a liquid separating funnel 10 communicated with the separation chamber 8 is provided at the end of the separation chamber 8, and a heavy phase outlet 11 is provided at the liquid outlet end of the liquid separating funnel 10. The inflow end of the liquid at the light phase outlet 12 extends vertically into the separation chamber 8 to facilitate the timely extraction of the separated oil.

The utility model discloses an oil-water separation process as follows:

liquid to be separated enters a feeding cavity 7 through a feeding hole 9, a liquid accumulating device 4 and a distributor 6 in sequence, the liquid to be separated is rectified through a rectifying plate 2 and then flows into a coalescence component 3 of a separation cavity 8, the liquid to be separated flows through each inclined plate 3a in the coalescence component 3, when the liquid flows into a separation hole 3c at the tail end of each inclined plate 3a, oil with light weight is temporarily blocked on the separation hole 3c due to the specific gravity difference of the oil and the impact force of fluid, and heavy water is collected through a heavy phase outlet 11 from a liquid separating hopper 10 below the tail end of the separation cavity 8 through the separation hole 3 c; with continued filtration, the temporarily separated oil will flow out through the deflector and be recovered through the light phase outlet 12.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. A separation tank with an enhanced oil-water separation function comprises a separation tank cylinder body, wherein two ends of the separation tank cylinder body are hemispherical, the middle section of the separation tank cylinder body is cylindrical, a rectifying plate and a coalescence assembly are arranged in the separation tank cylinder body, and a heavy phase outlet and a light phase outlet are formed in the side wall of the separation tank cylinder body; the device is characterized in that the rectifying plate is arranged perpendicular to the axis of the separating tank cylinder body, and divides the inside of the separating tank cylinder body into a feeding cavity and a separating cavity; a liquid accumulation device and a distributor connected with the liquid accumulation device are fixed in the feeding cavity, a feeding hole is formed in the cylinder wall of the feeding cavity, and the end of the liquid inlet above the liquid accumulation device is positioned right below the feeding hole; the coalescence assembly is fixed in the separation cavity and comprises a plurality of mutually parallel inclined plates, and the inclined plates are fixed in the separation cavity along the axial direction of the separation tank cylinder body and enable intersecting lines between the inclined plates and the radial plane of the separation tank cylinder body to be mutually parallel oblique lines; the tail end of the inclined plate is provided with an opening area, the opening area is distributed with separation holes, and the lower end of each separation hole is provided with a flow deflector.

2. The separation tank with the oil-water separation function, according to claim 1, is characterized in that an included angle between the oblique line and the horizontal line is 10-60 degrees.

3. The separator tank for enhancing oil-water separation of claim 1, wherein the area of the perforated area accounts for 5-40% of the area of the inclined plate.

4. The separation tank with the oil-water separation function strengthened according to claim 1, wherein an included angle between the flow deflector and the inclined plate is 5-60 degrees.

5. The separation tank with the enhanced oil-water separation function of claim 1, wherein the separation holes are circular through holes with the diameter of 5 mm-50 mm.

6. The separator tank for enhancing oil-water separation of claim 1, wherein the flow regulating plate is a porous plate.

7. The separation tank with the oil-water separation function, according to claim 1, is characterized in that the separation tank body is a horizontal type body, a liquid separation hopper communicated with the separation chamber is arranged at the tail end of the separation chamber, and the heavy phase outlet is arranged at the liquid output end of the liquid separation hopper.

8. The separation tank for strengthening the oil-water separation function of claim 1, wherein the liquid output end of the distributor faces downwards or the end socket side of the feeding cavity, and the diameter ratio of the liquid output end of the distributor to the feeding hole is 1.5: 1-6: 1.

9. the separation tank with the oil-water separation function, according to claim 1, is characterized in that the liquid accumulator comprises a cylindrical section and a conical section from top to bottom, the height of the cylindrical section is 5-500 mm, and the ratio of the height of the conical section to the equivalent diameter of the liquid accumulator is 0.1: 1-0.2: 1.

10. the enhanced oil and water separation separator tank of claim 1, wherein the coalescing element is secured at one end to a sidewall of the separation chamber.