CN201101907Y - Combined oil water separation device - Google Patents

Combined oil water separation device Download PDF

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Publication number
CN201101907Y
CN201101907Y CNU2007201736681U CN200720173668U CN201101907Y CN 201101907 Y CN201101907 Y CN 201101907Y CN U2007201736681 U CNU2007201736681 U CN U2007201736681U CN 200720173668 U CN200720173668 U CN 200720173668U CN 201101907 Y CN201101907 Y CN 201101907Y
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China
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pipe
tube
horizontal
helix tube
sedimentation separation
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CNU2007201736681U
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Inventor
吴应湘
郑之初
张军
郭军
唐驰
周永
王立洋
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Institute of Mechanics of CAS
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Institute of Mechanics of CAS
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Abstract

The utility model relates to a compound water oil separator used for an overland processing station and an offshore oil production platform. The compound water oil separator has the technical proposal that a liquid inlet and a liquid outlet of a current divider are respectively communicated with a horizontal main liquid pipe, a vertical tube, and a lower horizontal pipe; the vertical tube is communicated with a bent pipe; the lower horizontal pipe is connected with the input port of a helix tube which is connected to a fourth separator box body, the helix tube is communicated with a second settlement separator box body, the top part of the helix tube is communicated with the top part of a fourth settlement separator box body through a middle pipe; horizontal drain pipes are arranged on an outlet at the bottom of the side wall of the fourth settlement separator box body corresponding to an inlet, and a horizontal oil exit pipe is arranged at the top part thereof, one end of the horizontal oil exit pipe passes through the bottom of a third settlement separator box body, and the other end is fixed with the outlet of the bottom of the third settlement separator box body; an upper horizontal pipe is communicated with a first helix pipe, the other outlet of which is connected to the third settlement separator box body, a pipeline is connected between the top parts and the bottoms of the first and the third settlement separator box bodies; exhaust pipes and production lines are arranged on the two horizontal drain pipes through a tee joint T.

Description

A kind of combined type oily-water seperating equipment
Technical field
The utility model relates to a kind of apparatus and method that profit two-phase mixed liquor is separated, and particularly relates to a kind of combined type oily-water seperating equipment and piece-rate system and method that is applied in land and offshore production platform.
Background technology
In many industries, petroleum chemical enterprise for example, oily water separating equipment is its important production equipment.Isolation technics is most important to industry development.
The current separation principle that adopts has: gravity, and centrifugal, filter, static, breakdown of emulsion etc., the initial stage separation equipment generally all adopts a kind of separation principle to carry out water-oil separating, and using multiple separation principle in recent years, to combine the equipment that separates be developing direction.Patent publication No.: CN2569538Y for example, a kind of efficient oil water separator, description be a main separator that adopts the Gravity Separation principle; Patent of invention one oil-water separator with spiral flow channel film at Chinese Academy of Sciences ecological Studies center (patent publication No.: CN1299693.A), adopted centrifugal principle to combine the equipment and the method for separating with membrane technology.
In reality is produced, often need a large amount of oil-water mixtures is separated fast, gravity principle and membrane technology all are effective isolation technics means, but processing speed is slow, therefore causes the complicated body of device structure, long-pending huge.
Summary of the invention
The purpose of this utility model is to adopt single separation principle at above oily-water seperating equipment, in carrying out separating process when coming the liquid parameter to change, the significantly reduced shortcoming of treatment effeciency, thereby provide a kind of that multiple separation principles such as centrifugal, gravity, expansion combine, as current divider, sedimentation separation case and design to be had helix tube sedimentation separation case that adopts, combined type oily-water seperating equipment by the pipeline composition, this system is a kind of raising separative efficiency, and treating capacity is big; Have simple in structurely, alleviate the effective way of separator weight, both be fit to onshore oil field, also adapt to offshore oilfield.
The purpose of this utility model is achieved in that
The combined type oily-water seperating equipment that the utility model provides, as shown in Figure 4, this system comprises first current divider 10, sedimentation separation case and connecting line; It is characterized in that the inlet 11 of current divider, upper liquid outlet 12 and lower liquid outlet 13 are communicated with the total feed tube 21 of level, vertical tube 22 and following horizontal tube 23 respectively; This vertical tube 22 is communicated with successively with bend pipe 31 and last horizontal tube 24; Between described horizontal tube 23 down and last horizontal tube 24, three vertical tube that be arranged in parallel 22 parallel connections; Described down horizontal tube 23 is connected with the input port of second helix tube 502 in being installed on the second sedimentation separation casing 602, the output port of this second helix tube 502 is connected into the 4th by drain pipe 552 and separates casing 604, these second sedimentation separation casing, 602 bottoms are communicated with the 4th sedimentation separation casing 604 bottoms by an intervalve 802, and its top is communicated with the 4th sedimentation separation casing 604 tops by an intervalve 804; On the 4th sedimentation separation casing 604 and inlet corresponding side walls outlet at bottom, horizontal drain pipe 27 is installed, with horizontal oil exit pipe 28 is installed at the middle part, these horizontal oil exit pipe 28 other ends penetrate from the 3rd sedimentation separation casing 603 middle parts, and these horizontal drain pipe 27 another port and the 3rd sedimentation separation casing 603 outlet at bottoms are fixed; The described end port of going up horizontal tube 24 is connected with feed-line 26, and this feed-line 26 is communicated with first helix tube, 501 input ports in the first sedimentation separation casing 601, and first helix tube 501 is installed in the sedimentation separation case 601; Another outlet of this first helix tube 501 is connected between the bottom of the 3rd sedimentation separation casing 603, the first sedimentation separation casings 601 and the 3rd sedimentation separation casing 603 and the top sidewall by drain pipe 551 and is connected with first pipeline 801 and second pipeline 803; Be communicated with the another port of horizontal drain pipe 27 with inlet corresponding side walls outlet at bottom at the 3rd sedimentation separation casing 603; The height of horizontal oil exit pipe 28 is lower than overfall 150-300mm in the 3rd sedimentation separation casing 603, the 4th sedimentation separation casing 604 two tanks, and the height of horizontal drain pipe 27 is higher than bottom half 100mm; On horizontal drain pipe 27 and horizontal oil exit pipe 28, outlet pipe 81 and flowline 82 are installed respectively, as delivery port and oil-out by threeway.
In above-mentioned technical scheme, also comprise second current divider 20, the described end port of going up horizontal tube 24 is communicated with a port of second current divider 20, and other 2 ports of second current divider 20 connect respectively and send oil pipe 25 and feed-line 26, and this send oil pipe 25 to be communicated with the 3rd sedimentation separation casing 603.By connecting second current divider, can strengthen the profit layering, the oil low to moisture content carries out meticulousr separation.
In above-mentioned technical scheme, described current divider comprises a body, described body is the pressure vessel of threeway tubular-shaped structures, the left side mouth of pipe 11 of three-way pipe is an inlet, the right side mouth of pipe 13 of three-way pipe is a lower liquid outlet, the upper orifice 12 of three-way pipe is the pressure vessel of upper liquid outlet, a horizontally disposed split-flow baffles 16 is arranged in the cavity of portion within it, this split-flow baffles is divided into two spaces up and down with cavity, last sheaf space 14 is connected with upper liquid outlet 12, lower layer space 15 is connected with lower liquid outlet 13, and two sheaf spaces all are connected with inlet 11, described intracavity diameter and the equal diameters of coming the liquid pipe that is connected with inlet; There is the plug 161 that this mouth of pipe top is sealed the top that described split-flow baffles is positioned at the three-way pipe right side mouth of pipe one end; Described plug is parabola shaped towards the longitudinal cross-section of inlet one end; The axis of described body to the ratio of the height H of upper liquid outlet and current divider inner chamber radius r less than 5; Have on the described chamber body wall at least two group height inequality, and can be respectively and two bar-shaped troughs that side matches of split-flow baffles; And the inlet of body to the ratio of horizontal liquid outlet length L and current divider inner chamber radius r less than 10, each mouth of pipe place of described body is provided with to connect and uses flange; With reference to Figure 1A and Figure 1B.
In above-mentioned technical scheme, the end of the split-flow baffles of described current divider is mutually concordant with the end of described inlet.
In above-mentioned technical scheme, also comprise 3 valves, this first valve 41 is installed in described vertical tube 22 upper port, and valve 41 another port are connected with mouth 31 at the bottom of the 90 degree elbows, and elbow is connected with last horizontal tube 24; All the other two valves are installed in respectively in other two vertical tubes 22.
In above-mentioned technical scheme, described vertical tube caliber d is less than horizontal tube caliber D, and vertical tube length H is 15 times of vertical tube caliber d, and adjacent vertical tube interval S is greater than 30 times of horizontal tube caliber D.
In above-mentioned technical scheme, described helix tube comprises that helix tube main body 500 is vertical structure, this helix tube main body 500 is fixed on the support 90 of helix tube main body, helix tube input pipe 51 1 ports of helix tube main body 500 are installed input pipe valve 42, and helix tube input pipe 55 1 ports are installed efferent duct valve 43; Number of total coils is N, N==4-30; The helix tube top of helix tube main body 500 has 4 circles to be perforated section 54, perforated section is following to be closed section 52, have circular hole 70 on each circle of perforated section, described circular hole 70 begins perforate from the outlet quarter turn of distance efferent duct 55, and circular hole 70 is evenly opened the outside at helix tube, become the position of α=45 ° angle with horizontal line, be not with circular hole on the helix tube of half-turn at interval between the circular hole 70 on the two adjacent rings helix tube; Pigtail not with holes is for adjusting section, and described adjustment segment length is 1/2 circumference; The second circle circular hole that helix tube is opened 70 and the 3rd enclose the pigtail of interval half-turn between the circular hole of opening 70.
In technique scheme, the helix tube radius of gyration of described helix tube main body 500 is R, and pitch is H, and bore is D 1, external diameter of pipe is D 2, its design parameter is followed following relation: 450 ≤ 2 πR ( N - 4 ) D 1 ≤ 500 , 2 ≤ H D 2 ≤ 2.5 ; Wherein R, D 1, D 2Value optimum in following scope: 150mm≤R≤200mm, 20mm≤D 1≤ 30mm, 25mm≤D 2≤ 35mm.
In technique scheme, the circle of 4 on the helix tube of described helix tube main body 500 perforated section 54, the number of 3 circle apertures is respectively n from top to bottom from helix tube top 1, n 2, n 3, the aperture is respectively d 1, d 2, d 3Following design criteria: n should be followed in the number of circular hole and aperture 1≤ n 2≤ n 3, d 1≤ d 2≤ d 3
In technique scheme, sedimentation separation case of the present utility model is circle or square metal container, and diameter is more than or equal to 1000mm, and height is more than or equal to 1200mm; Be provided with vertical dividing plate in the middle of also being included in the first and second sedimentation casings, the two side of this vertical partition plate is fixed on the sedimentation separation case two side, container is divided into two parts, the bottom is communicated with, the gap, top is an overfall, and container import and export pipeline is located at the vertical partition plate both sides respectively, and the usefulness of doing of vertical partition plate is to reduce the disturbance of liquid to sedimentation separation, water can be communicated with mobile at the lower partition, and oil enters into opposite side by overfall by a side.The end of described dividing plate is mutually concordant with the end of described inlet.
Advantage of the present utility model is:
The oil-water separation system of centrifugal, gravity, expansion composite principle that utilizes of the present utility model adopts the combined type separating member, comprise T shape pipe, current divider, helix tube, the gravity settling separation casing, the each several part member can make up adjusting easily, to reach best released state.
Piece-rate system of the present utility model also adopts the helical tube with holes separator, this helix tube separator is a kind of novel centrifugation parts, under the condition that technology allows, should at first consider to reduce the radius of gyration, increase the number of turns and improve centrifugal force, a preferred plan for the separative efficiency influence significantly can be determined with theory analysis by experiment in tube wall perforate quantity, size and position.
Piece-rate system of the present utility model also adopts to have and expands and the T type duct member of presorting effect of gravity principle, can play the effect that gas-liquid is presorted, as the preposition equipment that enters the helix tube separator to reach good separating effect.
Up to the present, international and domesticly also do not find this composite separator, it can reach Water in oil less than 1% separating effect under different oil products and profit conditions of mixture ratios.
Description of drawings
Fig. 1 is just (a), side (b) pseudosection of diversion structure of the present invention;
Fig. 2 is a T shape pipe separator structural representation of the present invention;
Fig. 3 is a spiral tube structure schematic diagram of the present invention;
Fig. 4 is a combined type structure of oil water separator schematic diagram of the present invention;
Fig. 5 is an another kind of combined type oil water separator embodiment schematic diagram of the present invention;
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in detail
Embodiment 1
Consult Fig. 1, make first current divider 10 and second current divider 20, the body of current divider is the pressure vessel with threeway tubular-shaped structures, its pressure vessel is provided with an inlet 11, the left side mouth of pipe of three-way pipe is an inlet 11, the right side mouth of pipe of three-way pipe is a lower liquid outlet 13, and the upper orifice of three-way pipe is a upper liquid outlet 12; Have a horizontally disposed split-flow baffles 16 that cavity is divided into two spaces up and down within it in the cavity of portion, epicoele 14 is connected with upper liquid outlet 12, and cavity of resorption 15 is connected with lower liquid outlet (or horizontal liquid outlet) 13, and two sheaf spaces all are connected with inlet.The end of described split-flow baffles is mutually concordant with the end of described inlet.There is the plug 161 that this mouth of pipe top is sealed the top that described split-flow baffles is positioned at the three-way pipe right side mouth of pipe one end, and this plug is parabola shaped towards the longitudinal cross-section of inlet one end.Each mouth of pipe place of the separator body of described three-way pipe structure is provided with and connects with flange 17.Have on the described current divider chamber body wall three groups of height inequality and can be respectively and two bar-shaped troughs that side matches of split-flow baffles.
The length overall of first current divider 10 and second current divider 20 and the L/r=8 of inner chamber radius, the shunting cavity has suitable volume, the ratio l/r=5 or 6 of inner chamber length and radius, the score H/r=4 of height and inner chamber radius, the current divider internal diameter comes liquid pipe 21 (consulting Fig. 3) internal diameter to equate with level.
Embodiment 2:
Consult Fig. 1 and Fig. 2, make a T shape pipe separator: T shape is managed separator just by the total feed tube 21 of level, last horizontal tube 24, and following horizontal tube 23, vertical tube 22, current divider 10 (20) and valve 41 are formed.The total feed tube 21 of level connects the incoming flow pipeline, the other end is connected with current divider 10 inlets 11, current divider upper outlet 12 is connected with vertical tube 22, Horizontal Exit 13 is connected with following horizontal tube 23, the vertical tube upper end is connected with valve 41,41 other sides are connected with mouth 31 at the bottom of the 90 degree elbows, and elbow is connected with last horizontal tube 24.At last horizontal tube 24 and 23 of following horizontal tubes 22 parallel connections of N root vertical tube are arranged, constitute T shape pipe separator thus.T shape pipe has a total feed tube at least, and a vertical tube is gone up horizontal tube and a following horizontal tube composition, many vertical tubes can be arranged for one.It is 50mm that T shape is managed upper and lower horizontal tube caliber, and vertical tube caliber d is less than horizontal tube caliber D, and caliber is 40mm in the present embodiment.Adjacent vertical tube interval S is greater than 30 times of horizontal tube caliber D.The vertical tube length L is 15 times of vertical tube caliber d, and present embodiment is 600mm.Total feed tube can not be connected current divider with first vertical tube place, only uses three-way pipe, or connects current divider, strengthens the profit layering, for example present embodiment.Last horizontal tube end can not connect current divider, directly enters 501 helix tubes, also can connect current divider, as present embodiment.
Embodiment 3
Consult Fig. 3, make a helix tube separator: helix tube main body 500 is a vertical structure, this helix tube main body 500 is fixed on the support 90 of helix tube main body, helix tube input pipe 51 1 ports of helix tube main body 500 are installed input pipe valve 42, and helix tube input pipe 55 1 ports are installed efferent duct valve 43; Number of total coils is 25, and the helix tube top of helix tube main body 500 has 4 circles to be perforated section 54, and perforated section is following to be closed section 52; The number of 3 circle apertures is respectively n from top to bottom from helix tube top 1, n 2, n 3, the aperture is respectively d 1, d 2, d 3Following design criteria: n should be followed in the number of circular hole and aperture 1≤ n 2≤ n 3, d 1≤ d 2≤ d 3Have circular hole 70 on each circle of perforated section, described circular hole 70 begins perforate from the outlet quarter turn of distance efferent duct 55, and circular hole 70 is evenly opened the outside at helix tube, become the position of α=45 ° angle with horizontal line, be not with circular hole on the helix tube of half-turn at interval between the circular hole 70 on the two adjacent rings helix tube; Pigtail not with holes is for adjusting section, and described adjustment segment length is 1/2 circumference; The second circle circular hole that helix tube is opened 70 and the 3rd enclose the pigtail of interval half-turn between the circular hole of opening 70.
The helix tube radius of gyration of helix tube main body 500 is R in the present embodiment, and pitch is H, and bore is D 1, external diameter of pipe is D 2, its design parameter is followed following relation: 450 ≤ 2 πR ( N - 4 ) D 1 ≤ 500 , 2 ≤ H D 2 ≤ 2.5 ;
Wherein R, D 1, D 2Value optimum in following scope: 150mm≤R≤200mm, 20mm≤D 1≤ 30mm, 25mm≤D 2≤ 35mm.
Embodiment 4
Consult Fig. 4, the combined type oily-water seperating equipment that making one current divider by embodiment 1-3, T shape pipe separator, helix tube are formed.
Composite separator is communicated with the total feed tube 21 of level, vertical tube 22 and following horizontal tube 23 respectively by 3 ports of first current divider 10; This vertical tube 22 is communicated with successively with bend pipe 31 and last horizontal tube 24; Between described horizontal tube 23 down and last horizontal tube 24, three vertical tube that be arranged in parallel 22 parallel connections; Described down horizontal tube 23 is connected with the input port of second helix tube 502 in being installed on the second sedimentation separation casing 602, the output port of this second helix tube 502 is connected into the 4th by drain pipe 552 and separates casing 604, these second sedimentation separation casing, 602 bottoms are communicated with the 4th sedimentation separation casing 604 bottoms by an intervalve 802, and the top is communicated with the 4th sedimentation separation casing top by an intervalve 804; Also be provided with horizontal drain pipe 27 and horizontal oil exit pipe 28 at the 4th sedimentation separation casing 604 and inlet corresponding side walls lower tube top; The 4th sedimentation separation casing is provided with vertical partition plate the both sides, gateway is divided into two parts; The described end port of going up horizontal tube 24 is communicated with a port of second current divider 20, in addition 2 ports of second current divider 20 connect respectively and send oil pipe 25 and feed-line 26, this send oil pipe 25 to be communicated with the 3rd sedimentation separation casing 603, this feed-line 26 is communicated with first helix tube, 501 input ports in the first sedimentation separation casing 601, this first helix tube 501 is installed in the sedimentation separation case 601, its another outlet is connected between the bottom of the 3rd sedimentation separation casing 603, the first sedimentation separation casings 601 and the 3rd sedimentation separation casing 603 and the top sidewall by drain pipe 551 and is connected with water-supply-pipe 801 and petroleum pipeline 803; Also be provided with horizontal drain pipe 27 and horizontal oil exit pipe 28 in the 3rd sedimentation separation casing 603 and inlet corresponding side walls bottom and middle part; Vertical fixing dividing plate on the both sides in the 3rd sedimentation separation casing, this dividing plate is divided into two parts with the both sides, gateway, and the space between this dividing plate top and the 3rd sedimentation separation casing inner top surface is an overfall; The height of horizontal oil exit pipe 28 is lower than overfall 150-300mm in the 3rd sedimentation separation casing 603, the 4th sedimentation separation casing 604 two tanks, and the height of horizontal drain pipe 27 is higher than bottom half 100mm; There are water-supply-pipe 81 and petroleum pipeline 82 to be connected on horizontal drain pipe 27 and the horizontal oil exit pipe 28, respectively as delivery port and oil-out by threeway.Upper and lower horizontal tube caliber is 50mm in the present embodiment, and vertical tube 22 caliber d are 40mm; Vertical tube length H is 600mm.The distance of two adjacent vertical tubes is 1500mm.The helix tube number of total coils of described helix tube main body 500 is 20, and the number of turns of closed section 52 is 16 circles.
Embodiment 5
Consult Fig. 5, manufacture an oil-water separation system of the present utility model.
The difference of present embodiment and embodiment 4 is, adopts integrated design, with current divider, T shape pipe, helix tube and the as a whole structure of sedimentation separation box body combinations, and volume compact, in light weight, line distribution is reasonable.The present embodiment body be 4 independently box body combinations form an airtight pressure resistant vessel of integral body together.T shape pipe separator is arranged on the outside or the inside of present embodiment container, and length is 3/4ths of container outer perimeter, and effect is that profit is carried out just dividing; First helix tube 501 and second helix tube 502 are handled the liquid that comes in the last horizontal tube 24 that first current divider is connected respectively, come liquid with the following horizontal tube 23 of this first current divider 10, first helix tube 501 is in the first sedimentation casing 601, second helix tube 502 is in the second sedimentation casing 602, and two interior liquid of casing do not circulate mutually; Liquid after the 501 eddy flow centrifugations of first helix tube are handled enters the 3rd sedimentation separation casing 603 by 551 and proceeds Gravity Separation; The first sedimentation casing 601 and 603 of the 3rd sedimentation casings are equipped with overflow pipe 803, caliber is 50mm, quantity is 6, highly is lower than the extreme lower position of helix tube perforate, and the oil on the first sedimentation casing, 601 upper stratas can enter the 3rd sedimentation casing 603 by overflow pipe and proceed gravitational settling; Liquid after helix tube 502 eddy flow centrifugations are handled enters sedimentation separation casing 604 by 552 and proceeds Gravity Separation; The second sedimentation casing 602 and 604 of the 4th sedimentation casings are equipped with overflow pipe 804, caliber is 50mm, quantity is 6, highly is lower than the extreme lower position of helix tube perforate, and the oil on the second sedimentation casing, 602 upper stratas can enter the 4th sedimentation casing 604 by overflow pipe and proceed gravitational settling; The end of last horizontal tube is equipped with second current divider 20 before entering helix tube, and its upper liquid outlet directly enters the 4th sedimentation casing 604 (also can enter the 3rd sedimentation casing 603) and carries out gravity settling separation by managing 26; The final moisture content that obtains in the 3rd sedimentation casing 603 and the 4th sedimentation casing 604 is less than 1% oil; Water is drawn from the container bottom opening.
Can also comprise 3 valves again, this first valve 41 is installed in described vertical tube 22 upper port, and valve 41 another port are connected with mouth 31 at the bottom of the 90 degree elbows, and elbow is connected with last horizontal tube 24; All the other two valves are installed in respectively in other two vertical tubes 22.

Claims (10)

1. a combined type oily-water seperating equipment comprises current divider, sedimentation separation case and connecting line; It is characterized in that described current divider has 2, the inlet of first current divider (11), upper liquid outlet (12) and lower liquid outlet (13) are communicated with the total feed tube of level (21), vertical tube (22) and following horizontal tube (23) respectively; This vertical tube (22) is communicated with successively with bend pipe (31) and last horizontal tube (24); Between described horizontal tube (23) down and last horizontal tube (24), three vertical tubes that be arranged in parallel (22) parallel connection; Described down horizontal tube (23) is connected with the input port of second helix tube (502) in being installed on the second sedimentation separation casing (602), the output port of this second helix tube (502) is connected into the 4th by drain pipe (552) and separates casing (604), this second sedimentation separation casing (602) bottom is communicated with the 4th sedimentation separation casing (604) bottom by an intervalve (802), and its top is communicated with the 4th sedimentation separation casing (604) top by an intervalve (804); On the 4th sedimentation separation casing (604) and inlet corresponding side walls outlet at bottom, horizontal drain pipe (27) is installed, with horizontal oil exit pipe (28) is installed at the middle part, this horizontal oil exit pipe (28) other end penetrates from the 3rd sedimentation separation casing (603) middle part, and this horizontal drain pipe (27) another port and the 3rd sedimentation separation casing (603) outlet at bottom are fixed; The described end port of going up horizontal tube (24) is connected with feed-line (26), this send oil pipe (25) to be communicated with the 3rd sedimentation separation casing (603), this feed-line (26) is communicated with first helix tube (501) input port in the first sedimentation separation casing (601), and first helix tube (501) is installed in the sedimentation separation case (601); Another outlet of this first helix tube (501) is connected into the 3rd sedimentation separation casing (603) by drain pipe (551), is connected with first pipeline (801) and second pipeline (803) between the bottom of the first sedimentation separation casing (601) and the 3rd sedimentation separation casing (603) and the top sidewall; Be communicated with horizontal drain pipe (27) and horizontal oil exit pipe (28) respectively with inlet corresponding side walls outlet at bottom and sidewall middle part at the 3rd sedimentation separation casing (603); The height of horizontal drain pipe (28) is lower than overfall 150-300mm in (603), (604) two tanks, and the height of horizontal drain pipe (27) is higher than bottom half 100mm; Upward outlet pipe (81) and flowline (82) are installed respectively at horizontal drain pipe (27) and horizontal oil exit pipe (28) by threeway.
2. by the described combined type oily-water seperating equipment of claim 1, it is characterized in that, also comprise second current divider (20), the described end port of going up horizontal tube (24) is communicated with a port of second current divider (20), in addition 2 ports of second current divider (20) connect respectively and send oil pipe (25) and feed-line (26), and this send oil pipe (25) to be communicated with the 3rd sedimentation separation casing (603).
3. by claim 1 or 2 described combined type oily-water seperating equipments, it is characterized in that, described first current divider (10) and second current divider (20) are the tubular pressure vessel of a threeway, the left side mouth of pipe (11) of this three-way pipe is an inlet, the right side mouth of pipe (13) of three-way pipe is a lower liquid outlet, the upper orifice of three-way pipe (12) is the pressure vessel of upper liquid outlet, a horizontally disposed split-flow baffles (16) is arranged in the cavity of portion within it, this split-flow baffles is divided into two spaces up and down with cavity, last sheaf space (14) is connected with upper liquid outlet (12), lower layer space (15) is connected with lower liquid outlet (13), two sheaf spaces all are connected with inlet (11), described intracavity diameter and the equal diameters of coming the liquid pipe that is connected with inlet; There is the plug (161) that this mouth of pipe top is sealed the top that described split-flow baffles is positioned at the three-way pipe right side mouth of pipe one end; Described plug is parabola shaped towards the longitudinal cross-section of inlet one end; The axis of described body to the ratio of the height H of upper liquid outlet and current divider inner chamber radius r less than 5; Have on the described chamber body wall at least two group height inequality, and can be respectively and two bar-shaped troughs that side matches of split-flow baffles; And the inlet of body to the ratio of horizontal liquid outlet length L and current divider inner chamber radius r less than 10, each mouth of pipe place of described body is provided with to connect and uses flange.
4. by the described combined type oily-water seperating equipment of claim 3, it is characterized in that the end of described split-flow baffles is mutually concordant with the end of described inlet; On described current divider internal chamber wall, have at least two group height inequality, and can be respectively and two bar-shaped troughs that side matches of split-flow baffles.
5. by the described combined type oily-water seperating equipment of claim 3, it is characterized in that, also comprise 3 valves, this first valve (41) is installed in described vertical tube (22) upper port, valve (41) another port is connected with mouth (31) at the bottom of (90) degree elbow, and elbow is connected with last horizontal tube (24); All the other two valves are installed in respectively in other two vertical tubes (22).
6. by the described combined type oily-water seperating equipment of claim 1, it is characterized in that described vertical tube caliber d is less than horizontal tube caliber D, vertical tube length H is 15 times of vertical tube caliber d, and adjacent vertical tube interval S is greater than 30 times of horizontal tube caliber D.
7. by the described combined type oily-water seperating equipment of claim 1, it is characterized in that, described helix tube comprises that helix tube main body (500) is vertical structure, this helix tube main body (500) is fixed on the support (90) of helix tube main body, helix tube input pipe (51) one ports of helix tube main body (500) are installed input pipe valve (42), and helix tube input pipe (55) one ports are installed efferent duct valve (43); Number of total coils is N, the helix tube top of helix tube main body (500) has 4 circles to be perforated section (54), perforated section is following to be closed section (52), have circular hole (70) on each circle of perforated section, described circular hole (70) begins perforate from the outlet quarter turn of distance efferent duct (55), and circular hole (70) is evenly opened the outside at helix tube, becomes the position of α=45 ° angle with horizontal line, is not with circular hole on the helix tube of half-turn at interval between the circular hole on the two adjacent rings helix tube (70); Pigtail not with holes is for adjusting section, and described adjustment segment length is 1/2 circumference; The second circle circular hole that helix tube is opened (70) and the 3rd enclose the pigtail of interval half-turn between the circular hole of opening (70).
8. by the described combined type oily-water seperating equipment of claim 1, it is characterized in that the helix tube radius of gyration of described helix tube main body (500) is R, pitch is H, and bore is D 1, external diameter of pipe is D 2, its design parameter is followed following relation: 450 ≤ 2 πR ( N - 4 ) D 1 ≤ 500 , 2 ≤ H D 2 ≤ 2.5 ; Wherein R, D 1, D 2Value optimum in following scope: 150mm≤R≤200mm, 20mm≤D 1≤ 30mm, 25mm≤D 2≤ 35mm.
9. by claim 1 or 2 described combined type oily-water seperating equipments, it is characterized in that, also be included in the 3rd sedimentation separation casing (603) and the 4th sedimentation separation casing (604), be provided with the both sides, gateway are divided into two-part vertical partition plate, the two side of this vertical partition plate is fixed on the sedimentation separation case two side, container is divided into two parts, and the bottom is communicated with, and the gap, top is an overfall.
10. by claim 1 or 2 described combined type oily-water seperating equipments, it is characterized in that described helix tube number of total coils is N, N=4-30.
CNU2007201736681U 2007-10-17 2007-10-17 Combined oil water separation device Expired - Lifetime CN201101907Y (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101411951B (en) * 2007-10-17 2012-02-08 中国科学院力学研究所 Water-oil separating system and method using centrifugation, gravitation, expansion composite principle
CN103894003A (en) * 2014-04-17 2014-07-02 国家电网公司 Oil-water separating device for transformer accident oil reservoir
CN104974928A (en) * 2015-07-15 2015-10-14 重庆科技学院 Fluid mixing tube for cell fluid experiment and use method of fluid mixing tube
CN107253794A (en) * 2017-07-28 2017-10-17 南京律智诚专利技术开发有限公司 A kind of kitchen grease initial gross separation device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101411951B (en) * 2007-10-17 2012-02-08 中国科学院力学研究所 Water-oil separating system and method using centrifugation, gravitation, expansion composite principle
CN103894003A (en) * 2014-04-17 2014-07-02 国家电网公司 Oil-water separating device for transformer accident oil reservoir
CN103894003B (en) * 2014-04-17 2016-01-20 国家电网公司 A kind of application of oily-water seperating equipment of Accident of Transformer oil storage pool
CN104974928A (en) * 2015-07-15 2015-10-14 重庆科技学院 Fluid mixing tube for cell fluid experiment and use method of fluid mixing tube
CN104974928B (en) * 2015-07-15 2017-11-21 重庆科技学院 A kind of cell flow experiment mixed flow tube and application method
CN107253794A (en) * 2017-07-28 2017-10-17 南京律智诚专利技术开发有限公司 A kind of kitchen grease initial gross separation device

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