CN105776424A - Efficient wastewater deoiling device - Google Patents
Efficient wastewater deoiling device Download PDFInfo
- Publication number
- CN105776424A CN105776424A CN201610145264.5A CN201610145264A CN105776424A CN 105776424 A CN105776424 A CN 105776424A CN 201610145264 A CN201610145264 A CN 201610145264A CN 105776424 A CN105776424 A CN 105776424A
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- Prior art keywords
- hollow fiber
- shell
- sieve plate
- water
- plate assembly
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention provides an efficient wastewater deoiling device which comprises an upper barrel body, a lower barrel body, a skirt seat and basic rings, wherein the barrel bottom of the upper barrel body is connected with the top of the lower barrel body; a structure communicated with the lower barrel body is arranged at the barrel bottom of the upper barrel body; the barrel bottom of the lower barrel body is fixedly connected with the skirt seat; the skirt seat is fixed on the ground through the basic rings; the upper barrel body comprises an upper sieve plate assembly, an upper water distributor, an upper section air outlet pipe, an inlet hole and an upper hollow fiber pipe; the lower barrel body comprises a lower sieve plate assembly, a lower water distributor, a lower section air outlet pipe, a lower hollow fiber pipe and an oil discharging pipeline. Due to the characteristics of the hollow fiber pipes made of modified acrylic materials, small-molecular water can enter the hollow fiber pipes, and macro-molecular oil is left in the barrel bodies, so that oil-water separation is realized; meanwhile, the device treats wastewater in two layers separately, so that the effect is better. The device is flexible in design, suitable for treating oily wastewater with low turbidity and low suspension content, and higher in separation efficiency and structural performance.
Description
Technical field
The invention belongs to water-treatment technology field, refer in particular to a kind of efficiently waste water degreasing unit.
Background technology
Along with the development of society, oils invades water body gradually, forms oily waste water.The amount of industrial oily waste water is big, and complicated component, the processing of such as oil exploitation and oil product, refinement and transport, and steel rolling water in machine-building, cooling-lubricant etc., wherein oil exploitation oily waste water is as main source.In the present age, the exploitation of oil is more and more frequent, and the produced oily waste water water yield is also relatively larger, if leaving the discharge of these oily waste waters, environment not only can cause certain harm, wasting resource greatly simultaneously.For the process of oily waste water, first it is considered as reclaiming oil therein, in order to repeating or recycle, next it is also conceivable to waste water is carried out purified treatment, then can obtain utilizable water resource as far as possible.
Oiliness sewage treatment equipment common at present and shortcoming thereof are as follows:
(1) API type oil-water separation tank.API type oil-water separation tank is by the device developed.Flat flow pond, simple structure, sedimentation effect is good, adds swinging oil collecting pipe to reclaim the oil of suspension.Current this type device all has employing in water treatment plant.Waste water time of staying in sedimentation tank is 1-3 hour, and oil removal efficiency reaches 50～70%, and this oil interceptor floor space is relatively big, and current are longer for dead time.
(2) PPI type oil-water separation tank.PPI type oil-water separation tank is to install a fairly large number of tilt flat plate based on the water (flow) direction in parallel flow intercepter, is the ramp type oil-water separation tank developed by the Shell Oil Company in nineteen fifty.It is on the basis of parallel flow intercepter, within it installs the tilt flat plate of a lot of quantity along water (flow) direction, not only increases rectification effect, and increases and efficiently separate area.Swash plate spacing is 100mm, and inclination angle is 45 °.Separated oil rises along the inclined-plane of swash plate in swash plate, become trapped in afterwards and catches in oil top cover, then flow out from the overflow pipe of top cover one end, has then reclaimed the oil droplet in former water.This device is suitable for removing the oil bead diameter oily waste water more than 80 μm.
(3) CPS coalescing-plate separator.CPS coalescing-plate separator, coalescing element therein is a folded V-type plate, and coalescing-plate is made up of glass fibre, and plate has taphole, it is allowed to coalescence oil droplet passes perpendicularly through plate.This equipment is mainly suitable for the sewage processing oil content at 200-1000mg/L, and outlet water quality is at about 50mg/L.
(4) Performax plate coalescer.The plate coalescer of Performax is a kind of cross-flow equipment.Its agglomerated form is by swash plate multiple-layer overlapped, and compared with monolayer, the separation efficiency of coalescing-plate is greatly improved, and this device is also less prone to and blocks.Coalescence portion of material is generally made up of different materials, such as carbon steel, polypropylene and rustless steel.Under the same operating conditions, the disposal ability of this device is more much bigger than separator before, becomes the oil-water separation key technology to miniaturization, efficient development.
(5) hydrocyclone.Water conservancy cyclone is for separating the equipment removing the materials such as coarse granule silt particle heavier in sewage.Sometimes slurry dewatering it is also used for.Partial pressure formula and gravity type two kinds, make frequently with circular cylinder structures or metal tube.Water depended on pressure or gravity are tangentially entered by structures (or metal tube) top, and under centrifugal action, coarse particles material is thrown to wall and rotation downwards and is discharged together with the dope formed.Less particulate matter rotates to and discharges with bumpy flow on secondary after to a certain degree.Hydrocyclone movement-less part, simple structure；The production capacity of unit volume is relatively big, accounts for area little；Classification efficiency high (up to 80%～90%), partition size is thin；Cost is low, and material consumption is few.
In sum, these waste-oil scavengers achieve oil point to a certain extent and separate, but deoiling effect is generally relatively low.
Summary of the invention
A kind of efficiently waste water degreasing unit that it is an object of the invention to overcome the ubiquitous oil removal efficiency of existing degreasing unit generally relatively low, sewage effluent that environment has the shortcomings such as impact and to develop, this device has oil removal efficiency height, minimizing process after sewage discharge on advantages such as the impact of environment, structural behaviour are good.
To achieve these goals, the technical solution adopted in the present invention is:
A kind of efficiently waste water degreasing unit, including upper shell, lower shell, skirt and foundation ring, at the bottom of the cylinder of described upper shell, the top with lower shell is connected, and is provided with the structure being connected with lower shell at the bottom of the cylinder of upper shell；Fixing with described skirt at the bottom of the cylinder of described lower shell and be connected, described skirt is fixed on ground by foundation ring；
Described upper shell includes upper sieve plate assembly, upper water distributor, epimere escape pipe, hand-hole, upper hollow fiber conduit, and described epimere escape pipe and hand-hole are located on the roof of upper shell；Described upper sieve plate assembly, upper water distributor and upper hollow fiber conduit are located in upper shell, upper water distributor is located on the central shaft in upper shell, upper hollow fiber conduit is located at the underface of upper water distributor, and the two ends of upper hollow fiber conduit are connected through the sidewall of upper shell with the external world；The underface of hollow fiber conduit is located at by upper sieve plate assembly, and upper sieve plate assembly is connected with the sidewall of upper shell, and upper sieve plate assembly is provided with filter cap；
Described lower shell includes lower sieve plate assembly, lower water-dispensing device, and hypomere escape pipe, lower hollow fiber conduit and flowline, described hypomere escape pipe is located on the sidewall on lower shell top；Described lower sieve plate assembly, lower water-dispensing device and lower hollow fiber conduit are located in lower shell, lower water-dispensing device is located on the central shaft in lower shell, lower hollow fiber conduit is located at the underface of lower water-dispensing device, and the two ends of lower hollow fiber conduit are connected through the sidewall of lower shell with the external world；Lower sieve plate assembly is located at the underface of lower hollow fiber conduit, and lower sieve plate assembly is connected with the sidewall of lower shell, and lower sieve plate assembly is provided with lower filter cap；Described flowline is located at the bottom of the cylinder of lower shell, and flowline is connected through skirt with the external world.
Further, the material of described upper hollow fiber conduit and lower hollow fiber conduit is modified acrylic fibers, and described modified acrylic fibers is that Sodium styrene sulfonate copolymerization forms by the acrylic acid methyl ester. that the acrylonitrile that mass fraction is 92%～94%, mass fraction are 5%～7%, surplus.
Further, described upper water distributor is that Autotrol six is distributed hydrophone；Described lower water-dispensing device is hamburger head water-locator.
Further, described upper sieve plate assembly and lower sieve plate assembly are punching sieve plate, and the pass of described punching sieve plate is rectangle, square, circular, chevron shaped, rod type, narrow pore shape, rectangle, card type, slotted hole, delthyrium, four square holes, plum blossom hole, shell hole, fish scale hole.
Being provided with the structure being connected with lower shell at the bottom of the cylinder of upper shell is be located at the through hole at the bottom of cylinder of upper shell.
Beneficial effect:
Substantially can reach the oil separation of in oil-polluted water more than 99%, and the sewage separated substantially can reuse through processing.The present invention utilizes the feature of the hollow fiber conduit of modified acrylic fibers material, enables micromolecular water to enter in hollow fiber conduit, and the oil of macromole is then stayed in cylinder, it is achieved that oil-water separation.Meanwhile, this device is two-layer staged care waste water, therefore better effects if.Device flexible design, is suitable for processing the oily waste water of low turbidity, low float, has higher separation efficiency and good structural behaviour.In backwash process, passing into air from hollow fiber conduit port of export side, the membrane material on hollow fiber conduit is carried out, on membrane material, the oil film of attachment drops under the impact of air.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
In figure: 1-flowline, 2-foundation ring, 3-skirt, sieve plate assembly under 4-, 5-lower shell, 6-lower water-dispensing device, 7-hypomere escape pipe, 8-upper sieve plate assembly, 9-upper shell, 10-upper water distributor, 11-epimere escape pipe, 12-hand-hole, the upper hollow fiber conduit of 13-, the upper filter cap of 14-, hollow fiber conduit under 15-, filter cap under 16-
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described:
As it is shown in figure 1, a kind of efficiently waste water degreasing unit, including upper shell 9, lower shell 5, skirt 3 and foundation ring 2, at the bottom of the cylinder of described upper shell 9, the top with lower shell 5 is connected, and is provided with the structure being connected with lower shell 5 at the bottom of the cylinder of upper shell 9；Fixing with described skirt 3 at the bottom of the cylinder of described lower shell 5 and be connected, described skirt 3 is fixed on ground by foundation ring 2；
Described upper shell 9 includes upper sieve plate assembly 8, upper water distributor 10, epimere escape pipe 11, hand-hole 12, upper hollow fiber conduit 13, and described epimere escape pipe 11 and hand-hole 12 are located on the roof of upper shell 9；Described upper sieve plate assembly 8, upper water distributor 10 and upper hollow fiber conduit 13 are located in upper shell 9, upper water distributor 10 is located on the central shaft in upper shell 9, upper hollow fiber conduit 13 is located at the underface of upper water distributor 10, and the two ends of upper hollow fiber conduit 13 are connected through the sidewall of upper shell 9 with the external world；The underface of hollow fiber conduit 13 is located at by upper sieve plate assembly 8, and upper sieve plate assembly 8 is connected with the sidewall of upper shell 9, and upper sieve plate assembly 8 is provided with filter cap 14；
Described lower shell 5 includes lower sieve plate assembly 4, lower water-dispensing device 6, and hypomere escape pipe 7, lower hollow fiber conduit 15 and flowline 1, described hypomere escape pipe 7 is located on the sidewall on lower shell 5 top；Described lower sieve plate assembly 4, lower water-dispensing device 6 and lower hollow fiber conduit 15 are located in lower shell 5, lower water-dispensing device 6 is located on the central shaft in lower shell 5, lower hollow fiber conduit 15 is located at the underface of lower water-dispensing device 6, and the two ends of lower hollow fiber conduit 15 are connected through the sidewall of lower shell 5 with the external world；Lower sieve plate assembly 4 is located at the underface of lower hollow fiber conduit 15, and lower sieve plate assembly 4 is connected with the sidewall of lower shell 5, and lower sieve plate assembly 4 is provided with lower filter cap 16；Described flowline 1 is located at the bottom of the cylinder of lower shell 5, and flowline 1 is connected through skirt 3 with the external world.
The material of described upper hollow fiber conduit 13 and lower hollow fiber conduit 15 is modified acrylic fibers, and described modified acrylic fibers is that Sodium styrene sulfonate copolymerization forms by the acrylic acid methyl ester. that the acrylonitrile that mass fraction is 92%～94%, mass fraction are 5%～7%, surplus.
Described upper water distributor 10 is distributed hydrophone for Autotrol six；Described lower water-dispensing device 6 is hamburger head water-locator.
Described upper sieve plate assembly 8 and lower sieve plate assembly 4 are punching sieve plate, and the pass of described punching sieve plate is rectangle, square, circular, chevron shaped, rod type, narrow pore shape, rectangle, card type, slotted hole, delthyrium, four square holes, plum blossom hole, shell hole, fish scale hole.
Being provided with the structure being connected with lower shell 5 at the bottom of the cylinder of upper shell 9 is be located at the through hole at the bottom of cylinder of upper shell 9.
This device is when being operated, oil-polluted water is evacuated to device top by pump, from top to bottom, by hand-hole 12, arriving upper water distributor 10 water distribution and enter upper shell 9, oil-polluted water is contained within the upper hollow fiber conduit 13 of the membrane material modified acrylic fiber of hydrophilic oleophobic property and contacts with upper shell 9.When oil-polluted water has perhaps microporous upper hollow fiber conduit 13 to flow through from surface, it is internal that water in sewage enters upper hollow fiber conduit 13 through upper hollow fiber conduit 13, and the oil droplet in oil-polluted water is constantly captured at upper hollow fiber conduit 13 outer wall, coalesce together gradually, it is connected with the oil film of neighbour's fiber, slowly will be coalesced as oil droplet, under the effect of impulsive force, along water (flow) direction, the oil-polluted water purified through a stage flows to lower shell 5.The oil-polluted water entering lower shell 5 enters lower shell 5 through lower water-dispensing device 6 water distribution, the same with in upper shell 9, in oil-polluted water, water enters lower hollow fiber conduit 15, oil been separated in lower shell 5, remaining water decomposition is gone out, oil concentration contained in waste water now is relatively low, so the time of staying that waste water is in lower hollow fiber conduit 15 can become longer, oily waste water so can be fully allowed to contact with lower hollow fiber conduit 13, there is the enough process time, thus reaching the purpose of oil-water separation.The oil collected is discharged from flowline 1, and the particle in waste water is mainly removed by upper sieve plate assembly 8 and lower sieve plate assembly 4, and the water in hollow fiber conduit is from the discharge of the port of export of hollow fiber conduit.In addition in order to ensure the pure of water outlet, upper sieve plate assembly 8 and lower sieve plate assembly 4 are respectively provided with filter cap 14 and lower filter cap 16, are used for filtering the water flowed out from water-locator.In backwash process, passing into air from hollow fiber conduit port of export side, the membrane material on hollow fiber conduit is carried out, on membrane material, the oil film of attachment drops under the impact of air.Foundation ring 2 acts the effect connecting and supporting lower shell 5, is also the standard of hydraulic turbine installation.Estimate that the high-efficiency multi-stage oil water separator found out substantially can reach the oil of more than 99% in oil-polluted water and divide separation.
Claims (5)
1. an efficient waste water degreasing unit, it is characterized in that, including upper shell (9), lower shell (5), skirt (3) and foundation ring (2), it is connected with the top of lower shell (5) at the bottom of the cylinder of described upper shell (9), at the bottom of the cylinder of upper shell (9), is provided with the structure being connected with lower shell (5)；Fixing with described skirt (3) at the bottom of the cylinder of described lower shell (5) and be connected, described skirt (3) is fixed on ground by foundation ring (2)；
Described upper shell (9) includes upper sieve plate assembly (8), upper water distributor (10), epimere escape pipe (11), hand-hole (12), upper hollow fiber conduit (13), and described epimere escape pipe (11) and hand-hole (12) are located on the roof of upper shell (9)；Described upper sieve plate assembly (8), upper water distributor (10) and upper hollow fiber conduit (13) are located in upper shell (9), upper water distributor (10) is located on the central shaft in upper shell (9), upper hollow fiber conduit (13) is located at the underface of upper water distributor (10), and the two ends of upper hollow fiber conduit (13) are connected through the sidewall of upper shell (9) with the external world；The underface of hollow fiber conduit (13) is located at by upper sieve plate assembly (8), upper sieve plate assembly (8) is connected with the sidewall of upper shell (9), and upper sieve plate assembly (8) is provided with filter cap (14)；
Described lower shell (5) includes lower sieve plate assembly (4), lower water-dispensing device (6), hypomere escape pipe (7), lower hollow fiber conduit (15) and flowline (1), described hypomere escape pipe (7) is located on the sidewall on lower shell (5) top；Described lower sieve plate assembly (4), lower water-dispensing device (6) and lower hollow fiber conduit (15) are located in lower shell (5), lower water-dispensing device (6) is located on the central shaft in lower shell (5), lower hollow fiber conduit (15) is located at the underface of lower water-dispensing device (6), and the two ends of lower hollow fiber conduit (15) are connected through the sidewall of lower shell (5) with the external world；Lower sieve plate assembly (4) is located at the underface of lower hollow fiber conduit (15), lower sieve plate assembly (4) is connected with the sidewall of lower shell (5), and lower sieve plate assembly (4) is provided with lower filter cap (16)；Described flowline (1) is located at the bottom of the cylinder of lower shell (5), and flowline (1) is connected through skirt (3) with the external world.
2. the efficient waste water degreasing unit of one according to claim 1, it is characterized in that, the material of described upper hollow fiber conduit (13) and lower hollow fiber conduit (15) is modified acrylic fibers, and described modified acrylic fibers is that Sodium styrene sulfonate copolymerization forms by the acrylic acid methyl ester. that the acrylonitrile that mass fraction is 92%～94%, mass fraction are 5%～7%, surplus.
3. the efficient waste water degreasing unit of one according to claim 1, it is characterised in that described upper water distributor (10) is distributed hydrophone for Autotrol six；Described lower water-dispensing device (6) is hamburger head water-locator.
4. the efficient waste water degreasing unit of one according to claim 1, it is characterized in that, described upper sieve plate assembly (8) and lower sieve plate assembly (4) are punching sieve plate, and the pass of described punching sieve plate is rectangle, square, circular, chevron shaped, rod type, narrow pore shape, rectangle, card type, slotted hole, delthyrium, four square holes, plum blossom hole, shell hole, fish scale hole.
5. the efficient waste water degreasing unit of one according to claim 1, it is characterised in that being provided with the structure being connected with lower shell (5) at the bottom of the cylinder of upper shell (9) is be located at the through hole at the bottom of cylinder of upper shell (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610145264.5A CN105776424B (en) | 2016-03-14 | 2016-03-14 | A kind of efficiently waste water degreasing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610145264.5A CN105776424B (en) | 2016-03-14 | 2016-03-14 | A kind of efficiently waste water degreasing unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105776424A true CN105776424A (en) | 2016-07-20 |
| CN105776424B CN105776424B (en) | 2018-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610145264.5A Expired - Fee Related CN105776424B (en) | 2016-03-14 | 2016-03-14 | A kind of efficiently waste water degreasing unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106731022A (en) * | 2017-01-12 | 2017-05-31 | 上海优华系统集成技术股份有限公司 | A kind of oily-water seperating equipment and its separation method based on coalescence principle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020024008A (en) * | 2002-01-07 | 2002-03-29 | 박광주 | Oil-Water Separator which is equipped with Mash Plate Filter Module |
| JP3294804B2 (en) * | 1998-08-18 | 2002-06-24 | 明豊精機株式会社 | Oil-water separator and water purifier |
| CN2724803Y (en) * | 2004-08-23 | 2005-09-14 | 魏彦志 | Sieve-plate type multi-functional filter |
| CN101215021A (en) * | 2008-01-11 | 2008-07-09 | 东南大学 | Continuous fiber agglomeration coarse-grain oil eliminator |
| CN203593679U (en) * | 2013-12-03 | 2014-05-14 | 中冶东方工程技术有限公司 | Magnetized degreaser |
-
2016
- 2016-03-14 CN CN201610145264.5A patent/CN105776424B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3294804B2 (en) * | 1998-08-18 | 2002-06-24 | 明豊精機株式会社 | Oil-water separator and water purifier |
| KR20020024008A (en) * | 2002-01-07 | 2002-03-29 | 박광주 | Oil-Water Separator which is equipped with Mash Plate Filter Module |
| CN2724803Y (en) * | 2004-08-23 | 2005-09-14 | 魏彦志 | Sieve-plate type multi-functional filter |
| CN101215021A (en) * | 2008-01-11 | 2008-07-09 | 东南大学 | Continuous fiber agglomeration coarse-grain oil eliminator |
| CN203593679U (en) * | 2013-12-03 | 2014-05-14 | 中冶东方工程技术有限公司 | Magnetized degreaser |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106731022A (en) * | 2017-01-12 | 2017-05-31 | 上海优华系统集成技术股份有限公司 | A kind of oily-water seperating equipment and its separation method based on coalescence principle |
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| CN105776424B (en) | 2018-04-24 |
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Granted publication date: 20180424 Termination date: 20190314 |