CN103011432A - Oil removal and separation device and process for waste water containing organic siloxane - Google Patents
Oil removal and separation device and process for waste water containing organic siloxane Download PDFInfo
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- CN103011432A CN103011432A CN2012105666240A CN201210566624A CN103011432A CN 103011432 A CN103011432 A CN 103011432A CN 2012105666240 A CN2012105666240 A CN 2012105666240A CN 201210566624 A CN201210566624 A CN 201210566624A CN 103011432 A CN103011432 A CN 103011432A
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Abstract
The invention relates to a separation process for waste water containing organic siloxane. A separation device comprises three functional areas, namely a primary oil removal area, strengthened oil removal area and a water collection area, wherein the primary oil removal area adopts plastic cascade packing for oil removal; the strengthened oil removal area adopts multistage plastic cascade packing and glass beads for oil separation; and the water collection area adopts quartz sand for the further oil removal. The device and the process have a good oil removal effect; the purpose of oil removal can be achieved by treated water; the content of suspended substances in the waste water is less than 20mg/L; the COD (chemical oxygen demand) is less than 200mg/L; and the waste water can be directly discharged.
Description
Technical field
The present invention relates to a kind of sewage degrease tripping device and technique thereof, especially a kind of sewage that contains organo-siloxane except oil separating device and technique thereof.
Background technology
Organo-siloxane has the high-performance of many uniquenesses, and its can be high temperature resistant, low temperature resistant, waterproof and dampproof, to the pharmaceutical chemicals stable performance, and each industrial circle has been goed deep in its application, in national economy and national defence play important effect.But organo-siloxane has not biodegradability, COD of sewage (the COD that contains organo-siloxane, refer to the amount of oxygen consumed when the oxidized material of energy carries out chemical oxidation in the water body, generally the milligram number with every premium on currency oxygen consumed represents, the basic overall target of water quality monitoring (WQM)) value is very high, and be difficult to process, the processing problem that contains the sewage of organo-siloxane becomes the important restriction factor of organosilicon industry development; All can contain organo-siloxane in the sewage that each link of organosilicon production process produces, because this type of sewage discharge regularity is not strong, quantity discharged is large, not only causes raw-material significant wastage, deals with improperly also and can bring serious pollution to environment.At present less about the research of such wastewater treatment, generally take simple static layering to process, the treatment process weak effect does not reach COD less than the preliminary treatment effect of 200mg/L, and development of new sewage degrease separating technology is imperative.
Summary of the invention
The object of the present invention is to provide a kind of sewage that contains organo-siloxane except oil separating device and technique thereof, its technique is simple to operation, it is effective to deoil, the COD of sewage value after the processing is low, can reach emission standard.
The present invention is achieved through the following technical solutions:
A kind of sewage that contains organo-siloxane except oil separating device, comprise elementary oil-removing area, strengthen oil-removing area and catchment area three functions district; Feed trough is located at elementary oil-removing area outer wall one side, elementary oil-removing area is provided with into water striking plate, elementary oil-removing area oil separating plate, level plate, built-in plastics ladder ring packing, the water inlet striking plate is located at elementary oil-removing area upper inner wall, and elementary oil-removing area oil separating plate inserts under the plastics ladder ring packing plane; Strengthening oil-removing area is comprised of the ladder ring packing oil removing of 2-4 level plastics and the oil removing of 2-3 level granulated glass sphere, inter-stage is provided with 3-6 and strengthens the oil-removing area oil separating plate, strengthen the oil-removing area oil separating plate and insert under plastics ladder ring packing and the granulated glass sphere plane, reinforcement oil-removing area water-gage area is 4-8 times of elementary oil-removing area water-gage area; The built-in quartz sand in catchment area is provided with water outlet pipe, and water outlet pipe inserts under the quartz sand plane.
Wherein, granulated glass sphere bed thickness 300-400mm, half storey diameter 8-10mm on the granulated glass sphere, lower half storey diameter 4-5mm; The thick 200-500mm of quartz sand, diameter 4-10mm;
A kind of oil removing separating technology that contains the sewage of organo-siloxane, its concrete steps are:
Elementary oil-removing area: contain the sewage of organo-siloxane with the flow velocity of 0.05-0.5m/s, from feed trough by the water inlet striking plate aperture enter elementary oil-removing area, separate through the plastics ladder ring packing, block and cohesiveness oil reservoir is stayed elementary oil-removing area because of the barrier of elementary oil-removing area oil separating plate, lower aqueous layer and the oils of not separating fully by the level plate overflow to strengthening oil-removing area;
Strengthen oil-removing area: lower aqueous layer is removed oil separation filter through plastics ladder ring packing oil removing and granulated glass sphere successively with the oils of not separating fully, and inter-stage is provided with reinforcement oil-removing area oil separating plate and prevents that oil reservoir from entering subordinate's operation;
Catchment area: the water after the discharging of liquid level static pressure separates.
Wherein, the major function of elementary oil-removing area is: collection contains organo-siloxane oil reservoir sewage and carries out preliminary oil removal, prevents from luming bringing reinforcement oil removal district into the floating matter of adhesion, strengthens the oil removing load, the reduction oil removal efficiency; Bottom the pond of elementary oil-removing area, add and fill the plastics ladder ring packing; The water inlet arranges poroid striking plate, reduces the impact of current.
The major function of strengthening oil-removing area is: size and actual deoiling effect according to COD in the sewage arrange multistage oil removal district; Front end in multistage oil removal district, the 2-4 level is strengthened the same plastics ladder filler oil removing mode that adopts with elementary oil-removing area of oil-removing area, require to strengthen simultaneously oil-removing area water-gage area and be the 4-8 of elementary oil-removing area water-gage area doubly, be beneficial to about 90% oil and assembled with separating out and separate.Strengthen the rear end of oil-removing area and adopt bin granulated glass sphere oil removing mode, bin granulated glass sphere oil removing mode 2-3 level after the oil removing of bin granulated glass sphere, much can separatedly be removed to 98% organo-siloxane oil reservoir.In elementary oil-removing area and reinforcement oil removal district oil separating plate and level plate are set, oil separating plate prevents that oil reservoir from entering subordinate oil removal district, and level plate is controlled elementary oil-removing area liquid level.The oil removal district is corresponding between at different levels will to arrange oil separating plate strengthening.The water outlet pipe height will be lower than the level plate height.
The major function of catchment area is: built-in quartz sand oil removing is filtered, and rising pipe inserts under the quartz sand plane, the water after the discharging of liquid level static pressure separates.After the quartz sand oil removing was put in the catchment area, suspended substance is the 10-20 mg/litre in the sewage, and was as clear as crystal, and COD is 100-200, and in the lower situation of influent COD, the COD index can reach 30-100mg/L, satisfied the directly requirement of discharging.
For guaranteeing to greatest extent the deoiling effect design, the flow velocity of static sewage is 0.05-0.5m/s.
The invention has the advantages that: can reduce the organo-siloxane content in the sewage; Reduce the recycle-water entrained oil; Reduce to greatest extent oil and in water, carry acid secretly; Reduce COD value, contain organo-siloxane, and COD at the sewage of 2000-8000mg/L after the processing of three functions district, COD can be less than the index of 200mg/L.
Description of drawings
Accompanying drawing 1 is process function synoptic diagram of the present invention;
Reference numeral: feed trough 1, water inlet striking plate 2, elementary oil-removing area oil separating plate 3a, reinforcement oil-removing area oil separating plate 3b, level plate 4, plastics ladder ring packing 5, granulated glass sphere 6, quartz sand 7, water outlet pipe 8.
Embodiment
The invention will be further described below in conjunction with specific embodiment.
Embodiment 1,
A kind of sewage that contains organo-siloxane except oil separating device, comprise elementary oil-removing area, strengthen oil-removing area and catchment area three functions district; Feed trough 1 is located at elementary oil-removing area outer wall one side, elementary oil-removing area is provided with into water striking plate 2, elementary oil-removing area oil separating plate 3a, level plate 4, built-in plastics ladder ring packing 5, water inlet striking plate 2 is located at elementary oil-removing area upper inner wall, and elementary oil-removing area oil separating plate 3a inserts under plastics ladder ring packing 5 planes; Strengthening oil-removing area is comprised of three grades of plastics ladder ring packing 5 oil removings and 6 oil removings of two-stage granulated glass sphere, inter-stage is provided with 4 and strengthens oil-removing area oil separating plate 3b, strengthen oil-removing area oil separating plate 3b and insert under plastics ladder ring packing 5 and granulated glass sphere 6 planes, reinforcement oil-removing area water-gage area is 5 times of elementary oil-removing area water-gage area; The built-in quartz sand 7 in catchment area is provided with water outlet pipe 8, and water outlet pipe 8 inserts under quartz sand 7 planes.
A kind of oil removing separating technology that contains the sewage of organo-siloxane, its concrete steps are:
Elementary oil-removing area: contain the sewage of organo-siloxane with the flow velocity of 0.072 m/s, from feed trough 1, aperture by water inlet striking plate 2 enters elementary oil-removing area, separate through plastics ladder ring packing 5, bulk and cohesiveness oil reservoir are because of the barrier of elementary oil-removing area oil separating plate 3a, stay elementary oil-removing area, lower aqueous layer and the oils of not separating fully by level plate 4 overflows to strengthening oil-removing area;
Strengthen oil-removing area: lower water layer removes oil separation filter through three grades of plastics ladder ring packing 5 oil removings and two-stage granulated glass sphere 6 successively with the oils of not separating fully, and inter-stage is provided with reinforcement oil-removing area oil separating plate 3b and prevents that oil reservoir from entering subordinate's operation; Granulated glass sphere 6 thickness 335mm, upper half storey granulated glass sphere 6 diameter 9mm, lower half storey granulated glass sphere 6 diameter 4.6mm;
Catchment area: quartz sand 7 bed thickness 345mm, diameter 6mm, the water after the discharging of liquid level static pressure separates.
Embodiment 2,
The oil removing separate object is: contain the sewage of organo-siloxane, flow velocity 0.15m/s;
Strengthen in the oil-removing area, be comprised of 5 oil removings of two-stage plastics ladder ring packing and 6 oil removings of two-stage granulated glass sphere, inter-stage is provided with 3 and strengthens oil-removing area oil separating plate 3b, and reinforcement oil-removing area water-gage area is 4 times of elementary oil-removing area water-gage area; Granulated glass sphere 6 thickness 300mm, upper half storey granulated glass sphere diameter 8mm, lower half storey diameter 4m;
Quartz sand bed thickness 200mm in the catchment area, diameter is got 4mm;
All the other are with embodiment 1.
Embodiment 3,
The oil removing separate object is: contain the sewage of organo-siloxane, flow velocity 0.085m/s;
Strengthen in the oil-removing area, be comprised of 5 oil removings of level Four plastics ladder ring packing and three grades of granulated glass sphere 6 oil removings, inter-stage is provided with 6 and strengthens oil-removing area oil separating plate 3b, and reinforcement oil-removing area water-gage area is 8 times of elementary oil-removing area water-gage area; Granulated glass sphere 6 thickness 400mm, upper half storey granulated glass sphere diameter 10mm, lower half storey diameter 5 mm;
Quartz sand bed thickness 500mm in the catchment area, diameter is got 10mm;
All the other are with embodiment 1.
Embodiment 4,
The oil removing separate object is: contain the sewage of organo-siloxane, flow velocity 0.6m/s;
Strengthen in the oil-removing area, be comprised of 5 oil removings of one-level plastics ladder ring packing and 6 oil removings of one-level granulated glass sphere, inter-stage is provided with 1 and strengthens oil-removing area oil separating plate 3b, and reinforcement oil-removing area water-gage area is 3 times of elementary oil-removing area water-gage area; Granulated glass sphere 6 thickness 250mm, upper half storey granulated glass sphere diameter 5mm, lower half storey diameter 3 mm;
Quartz sand bed thickness 150mm in the catchment area, diameter is got 3mm;
All the other are with embodiment 1.
The oil removing separate object is: contain the sewage of organo-siloxane, flow velocity 1.5m/s;
Strengthen in the oil-removing area, be comprised of 5 oil removings of Pyatyi plastics ladder ring packing and 6 oil removings of level Four granulated glass sphere, inter-stage is provided with 8 and strengthens oil-removing area oil separating plate 3b, and reinforcement oil-removing area water-gage area is 9 times of elementary oil-removing area water-gage area; Granulated glass sphere 6 thickness 450mm, upper half storey granulated glass sphere diameter 12mm, lower half storey diameter 8mm;
Quartz sand bed thickness 560mm in the catchment area, diameter is got 13mm;
All the other are with embodiment 1.
Test example
The respectively sewage random sampling after the embodiment 1-5 art breading detects suspension content and COD in the sewage, the results are shown in following table:
Table 1 foreign matter content comparable situation
| Embodiment | Suspension content (mg/L) | COD（mg/L） |
| Embodiment 1 | 12 | 67 |
| Embodiment 2 | 16 | 159 |
| Embodiment 3 | 18 | 86 |
| Embodiment 4 | 23 | 227 |
| |
13 | 144 |
As seen from the above table, embodiment 1-3 and embodiment 4 effects are all better, and embodiment 1 effect is optimum.There is remarkably influenced with different oil-removing area progression in different parameters to wastewater treatment efficiency, although embodiment 5 oil-removing area progression are maximum, and the non-optimum of effect, the visible reasonably rational processing parameter of oil-removing area sum of series combines and just can guarantee the treatment effect of sewage.
Claims (6)
- A sewage that contains organo-siloxane except oil separating device, it is characterized in that: comprise elementary oil-removing area, strengthen oil-removing area and catchment area three functions district.
- 2. a kind of sewage that contains organo-siloxane according to claim 1 except oil separating device, it is characterized in that: feed trough (1) is located at elementary oil-removing area outer wall one side, elementary oil-removing area is provided with into water striking plate (2), elementary oil-removing area oil separating plate (3a), level plate (4), built-in plastics ladder ring packing (5), water inlet striking plate (2) is located at elementary oil-removing area upper inner wall, and elementary oil-removing area oil separating plate (3a) inserts under plastics ladder ring packings (5) plane; Strengthening oil-removing area is comprised of ladder ring packing (5) oil removing of 2-4 level plastics and 2-3 level granulated glass sphere (6) oil removing, inter-stage is provided with 3-6 and strengthens oil-removing area oil separating plate (3b), strengthen oil-removing area oil separating plate (3b) and insert under plastics ladder ring packings (5) and granulated glass sphere (6) plane, reinforcement oil-removing area water-gage area is 4-8 times of elementary oil-removing area water-gage area; The built-in quartz sand in catchment area (7) is provided with water outlet pipe (8), and water outlet pipe (8) inserts under quartz sand (7) plane.
- A kind of sewage that contains organo-siloxane according to claim 1 except oil separating device, it is characterized in that: granulated glass sphere (6) bed thickness 300-400mm, upper half storey granulated glass sphere (6) diameter 8-10mm, lower half storey granulated glass sphere (6) diameter 4-5mm; Quartz sand (7) bed thickness 200-500mm, diameter 4-10mm.
- 4. oil removing separating technology that contains the sewage of organo-siloxane, it is characterized in that: concrete steps are:Elementary oil-removing area: sewage from feed trough (1) by the water inlet striking plate (2) aperture enter elementary oil-removing area, separate through plastics ladder ring packings (5), bulk and cohesiveness oil reservoir are because of the barrier of elementary oil-removing area oil separating plate (3a), stay elementary oil-removing area, lower aqueous layer and the oils of not separating fully by level plate (4) overflow to strengthening oil-removing area;Strengthen oil-removing area: lower aqueous layer passes through successively (5) oil removing of plastics ladder ring packing with the oils of not separating fully and granulated glass sphere (6) removes oil separation filter, and inter-stage is provided with reinforcement oil-removing area oil separating plate (3b) and prevents that oil reservoir from entering subordinate's operation;Catchment area: the water after the discharging of liquid level static pressure separates.
- 5. a kind of oil removing separating technology that contains the sewage of organo-siloxane according to claim 3, it is characterized in that: the flow velocity of static sewage is 0.05-0.5m/s.
- 6. a kind of oil removing separating technology that contains the sewage of organo-siloxane according to claim 3, it is characterized in that: concrete steps are:Elementary oil-removing area: sewage is with the flow velocity of 0.072 m/s, from feed trough (1), aperture by water inlet striking plate (2) enters elementary oil-removing area, separate through plastics ladder ring packings (5), bulk and cohesiveness oil reservoir are because of the barrier of elementary oil-removing area oil separating plate (3a), stay elementary oil-removing area, lower aqueous layer and the oils of not separating fully by level plate (4) overflow to strengthening oil-removing area;Strengthen oil-removing area: lower water layer removes oil separation filter through three grades of plastics ladder ring packing (5) oil removings and two-stage granulated glass sphere (6) successively with the oils of not separating fully, and inter-stage is provided with 4 reinforcement oil-removing area oil separating plates (3b) and prevents that oil reservoir from entering subordinate's operation; Granulated glass sphere (6) thickness 335mm, upper half storey granulated glass sphere (6) diameter 9mm, lower half storey granulated glass sphere (6) diameter 4.6mm;Catchment area: quartz sand (7) bed thickness 345mm, diameter 6mm, the water after the discharging of liquid level static pressure separates.
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| CN2012105666240A CN103011432B (en) | 2012-12-25 | 2012-12-25 | Oil removal and separation device and process for waste water containing organic siloxane |
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| CN2012105666240A CN103011432B (en) | 2012-12-25 | 2012-12-25 | Oil removal and separation device and process for waste water containing organic siloxane |
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- 2012-12-25 CN CN2012105666240A patent/CN103011432B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2067081C1 (en) * | 1994-12-13 | 1996-09-27 | Шеховцов Виктор Петрович | Plant for purification of liquids from oils and suspended matter |
| CN101139122A (en) * | 2006-09-08 | 2008-03-12 | 宜兴市官林工业环保设备厂 | Multifunctional oil-contained waste water treatment device |
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| CN102730859A (en) * | 2012-07-19 | 2012-10-17 | 广东石油化工学院 | Novel integrated oil-water separation device |
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Effective date of registration: 20220819 Address after: 330300 Yangjialing, Yongxiu County, Jiujiang City, Jiangxi Province Patentee after: JIANGXI BLUESTAR XINGHUO ORGANIC SILICONE Co.,Ltd. Address before: 330300 Yangjialing, Yongxiu County, Jiujiang City, Jiangxi Province Patentee before: Jiangxi Star-Fire Silicone Factory of Bluestar New Chemical Materials Co.,Ltd. |
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