CN201358204Y - Oil-refining sewage advanced treatment device - Google Patents
Oil-refining sewage advanced treatment device Download PDFInfo
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- CN201358204Y CN201358204Y CNU2009201055190U CN200920105519U CN201358204Y CN 201358204 Y CN201358204 Y CN 201358204Y CN U2009201055190 U CNU2009201055190 U CN U2009201055190U CN 200920105519 U CN200920105519 U CN 200920105519U CN 201358204 Y CN201358204 Y CN 201358204Y
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- active bio
- baf reactor
- reactor
- advanced treatment
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Abstract
The utility model provides an oil-refining sewage advanced treatment device which is composed of a water inlet pool, a first level or multi-level EM-BAF rector which are connected in series; active bio-packing bed is contained in the EM-BAF reactor, the exterior of the packing bed is provided with a bio-packing fixed frame, the interior of the fixed frame is divided into multiple spaces, each space is filled with active bio-packing, an aeration pipeline and a dredge pipe are arranged under the active bio-packing bed. The oil-refining sewage after second level biochemical treatment is contacted with active bio-packing sufficiently in the advanced treatment device, and then the oil-refining sewage is discharged from the last level EM-BAF reactor so that COD and ammonia nitrogen in sewage are removed. The utility model is applicable to oil-refining sewage advanced treatment, has COD, and ammonia nitrogen removal effects, wherein the removal rate of COD reaches more than 60% and the removal rate of ammonia nitrogen reaches more than 90%; besides, the advanced treatment device has the characteristic of tolerating intensity change impact of contaminant; meanwhile, the oil-refining sewage advanced treatment device has high microorganism load capacity, less sludge and requires periodical sludge discharge, avoids washing and regeneration.
Description
Technical field
The utility model belongs to sewage treatment area, is specifically related to a kind of oil refining sewerage advanced treatment apparatus.
Background technology
Since the seventies in 20th century, domestic refinery adopts old three cover art breading oil refining sewerages mostly, along with improving constantly of crude runs and working depth, total amount of sewage discharge and pollutant load grow with each passing day, and most refinery has all been set up the secondary biochemical treatment facility.But because the oil refining sewerage oleaginousness is big, pollutant kind is various and contain a large amount of toxic substances, ordinary student metallization processes treatment effect is not good, is difficult to realize recycling sewage generated by making and qualified discharge.In the oil refining sewerage of secondary biochemical treatment, organic pollutant mostly is difficult degradation class material at present, brings bigger difficulty for biological deep treatment method.
Chinese patent CN2369995 adopts embrane method to handle the purpose that oil refining sewerage reaches recycling, and the shortcoming of this patent is that the hollow fiber ultrafiltration film easily stops up, the cleaning and regeneration difficulty.Chinese patent CN201031188 adopts a series of devices such as ultra-filtration membrane, activated charcoal filter and ozonizer that oil refining sewerage is carried out advanced treatment, and the shortcoming of this patent is the flow process complexity, working cost height, operational administrative difficulty.
Prior art does not obtain good treatment effect to the oil refining sewerage advanced treatment, and the operating process complexity, difficult management, and equipment and working cost height require height to influent quality, and the tolerance that the water inlet Pollutant levels are changed is not strong, and shock resistance is relatively poor.
The utility model content
The purpose of this utility model is to solve a difficult problem that exists in the above-mentioned prior art, a kind of oil refining sewerage advanced treatment apparatus is provided, be used to improve the advanced Treatment for Refinery Waste Water effect, particularly improve COD, ammonia-N removal rate, and improve tolerance performance and shock resistance the water inlet Pollutant levels.
The utility model is achieved through the following technical solutions: a kind of oil refining sewerage advanced treatment apparatus comprises pump sump and EM-BAF reactor.Described device comprises sewage disposal unit housings 14, pump sump A1, one-level or multistage EM-BAF reactor A 2, water inlet pipe 1, distributing trough 2, water distributing pore 3, biologic packing material fixed frame 5, active bio filler 8, aerating pipelines 6, shore pipe 7, connecting hole 9, effluent weir 11, braiding channel 12, water shoot 13.The progression of described EM-BAF reactor A 2 is odd number, and reactor is that the reason of odd number is a baffling about water is from front to back, guarantee that in the end one-level just is necessary for odd number from the top water outlet.
Described pump sump A1 and one-level or multistage EM-BAF reactor A 2 are connected successively and are arranged in the described sewage disposal unit housings 14.Have one group of partition in the described housing 14, described partition is between described pump sump A1 and the EM-BAF reactor A 2 and between the EM-BAF reactor A 2 at different levels; Described partition had the mouth of a river or had described connecting hole 9 on top in the bottom.
Described distributing trough 2 is located at the top of described pump sump A1, and described distributing trough 2 is equipped with water inlet pipe 1, and the bottom has water distributing pore 3.
The active bio bed of packings is equipped with at the middle part of described each EM-BAF reactor A 2, and the outside of described active bio bed of packings is a biologic packing material fixed frame 5, and inside is divided into a plurality of spaces by filter, and active bio filler 8 is equipped with in each space.Aerating pipelines 6 is laid in the below of active bio bed of packings, and the aerating pipelines 6 of each EM-BAF reactor A 2 below compiles in described sewage disposal unit housings 14 outsides, is connected with gas blower 10.Specifically, the whole steel plate that adopts of the housing of EM-BAF reactor is made.The active bio bed of packings is equipped with in inside, and the outside of this bed of packings is a biologic packing material fixed frame 5, and it is the grid framework that is welded by stainless steel, and directly is fixed on the housing; Fixed frame 5 is by elasticity POLYESTER YARNS fibrous reticulum parcel, and the hole of elasticity POLYESTER YARNS fiber is not more than 8mm, loses to prevent filler stream; The outside surface of fixed frame 5 is netted, elasticity POLYESTER YARNS fiber filter is fixed on the grid of framework, the inside of bed of packings is separated into several space cells, and each space cell is filled active bio filler 8, and the total amount of biologic packing material generally is not less than 60% of EM-BAF reactor volume.Establish aerating pipelines 6 below the active bio bed of packings, tube aerator is installed on the aerating pipelines, gas blower 10 is connected with each aerating pipelines 6, and air bloats from the aperture on the aerator compound film sheet.Be provided with shore pipe 7 in the bottom of described each EM-BAF reactor A 2, be used to get rid of sedimentary mud.
The bottom of described pump sump A1 links to each other with chopped-off head EM-BAF reactor A 2, is connected by the connecting hole 9 on described partition top or the mouth of a river of crossing of bottom successively between the EM-BAF reactor A 2 at different levels.
In the end water collecting dike 11, braiding channel 12 and water shoot 13 are equipped with in the top of the active bio bed of packings of one-level EM-BAF reactor A 2.
The utility model is mainly used in the oil refining sewerage of processing after secondary biochemical treatment, and these sewage characteristics are: principal pollutant are COD and ammonia nitrogen, and the Pollutant levels variation greatly, and hard-degraded substance is in the great majority among the COD.When this device of concrete use, the oil refining sewerage after the secondary biochemical treatment enters distributing trough 2 by water inlet pipe 1, and through water distributing pore 3, cloth pool 4 enters EM-BAF reactor A 2, to guarantee the homogeneity of water inlet.Sewage enters chopped-off head EM-BAF reactor under the plug-flow effect, up-flow fully contacts with active bio filler 8, enters secondary EM-BAF reactor by connecting hole 9 again, falls stream and fully contacts with active bio filler 8, and the subsequent stages drainage flow is same successively, secondary.Sewage and active bio filler enter braiding channel 12 from last step EM-BAF reactor through effluent weir 11 through after fully contacting, by water shoot 13 discharges.Look the influent quality situation, the oil refining sewerage advanced treatment apparatus is made up of 3～5 grades of EM-BAF reactors in series, and oil refining sewerage passes through EM-BAF reactors at different levels successively, and under the Degradation of the engineering bacteria on graded stuffing surface, COD and ammonia nitrogen obtain removing.
The oil refining sewerage advanced treatment apparatus is made up of one or more levels EM-BAF reactor.When containing the bulk petroleum pollutant in the sewage, can before the oil refining sewerage advanced treatment apparatus, increase oil removal and air-floating apparatus, to guarantee the effect and the stability of sewage disposal.
The height of the active bio filler 8 of each EM-BAF reactor generally is not less than 3 meters, and the active bio filler is a carrier with the high-performance filler, and the active bio filler has holes irregular and that diameter is different, helps living away from home and breeding of different microorganisms group; Select efficient engineering flora for use, engineering bacteria resides on the carrier, has improved biological charge capacity like this, the impact resistance of the water yield of increasing water quality.This structure makes that carrier inside exists good anaerobic zone microenvironment in the operational process, make the numerous miniature denitrification reactor of its inner formation, so cause ammonia oxidation, nitrification and denitrification combined action take place simultaneously in the middle of same reactor, the removal efficient of ammonia nitrogen is reached more than 99.0%; Simultaneously,, cause the existence of macroscopical anaerobism and aerobic environment, help releasing phosphorus and excessively taking the photograph phosphorus of polyP bacteria, guaranteed the removal of phosphorus by controlling the operating parameter of AF-BAF reactors at different levels.The biomass that surfaces of carrier materials is grown is generally 18-25g/L, is 1.5-2.0 times of common biomembrance process, be 10-20 times of traditional activated sludge process, and the filler difficult drop-off runs off.By multistage EM-BAF reactor, the waterpower fluidised form belongs between mixed flow and the plug-flow sewage, helps diversity of organism successively, not only can carry out the nitrification and denitrification reaction, improve the removal effect of ammonia nitrogen, and improve and removed organic broad spectrum.
Compared with prior art, the beneficial effects of the utility model are: (1) adopts the utility model to carry out advanced Treatment for Refinery Waste Water, and speed of response is fast, the residence time is short, treatment effect is reliable; (2) for the oil refining sewerage after secondary biochemical treatment (COD≤300mg/L, NH
3-N≤50mg/L), the COD clearance can reach more than 60%, ammonia nitrogen removal frank reaches more than 90% and this device has higher tolerance and impact resistance to the variation of the sewage quality and the water yield; (3) the utility model load of microorganisms amount height, sludge output is few, only needs regular spoil disposal, does not need to clean and regeneration.
Description of drawings
Fig. 1 is the structural representation of the utility model generator
Below in conjunction with accompanying drawing the utility model is described in further detail.
Embodiment
As shown in Figure 1, a kind of oil refining sewerage advanced treatment apparatus comprises pump sump A1 and EM-BAF reactor A 2.Described device comprises sewage disposal unit housings 14, pump sump A1, three grades of EM-BAF reactor A 2, water inlet pipe 1, distributing trough 2, water distributing pore 3, biologic packing material fixed frame 5, active bio filler 8, aerating pipelines 6, shore pipe 7, connecting hole 9, effluent weir 11, braiding channel 12, water shoot 13.
Described pump sump A1 and three grades of EM-BAF reactor A 2 are connected successively and are arranged in the described sewage disposal unit housings 14.Have one group of partition in the described housing 14, described partition is between described pump sump A1 and the EM-BAF reactor A 2 and between the EM-BAF reactor A 2 at different levels; Described partition had the mouth of a river or had described connecting hole 9 on top in the bottom.
Described distributing trough 2 is located at the top of described pump sump A1, and described distributing trough 2 is equipped with water inlet pipe 1, and the bottom has water distributing pore 3.
The active bio bed of packings is equipped with at the middle part of each described EM-BAF reactor A 2, and the outside of described active bio bed of packings is a biologic packing material fixed frame 5, and inside is divided into a plurality of spaces by filter, and active bio filler 8 is equipped with in each space.Aerating pipelines 6 is laid in the below of active bio bed of packings, and the aerating pipelines 6 of each EM-BAF reactor A 2 below compiles in described sewage disposal unit housings 14 outsides, is connected with gas blower 10.Be provided with shore pipe 7 in the bottom of each described EM-BAF reactor A 2, be used to get rid of sedimentary mud.
The bottom of described pump sump A1 is connected by the mouth of a river of crossing that first cuts off top with chopped-off head EM-BAF reactor A 2, be connected by second connecting hole 9 that cuts off top between secondary EM-BAF reactor A 2 and the chopped-off head EM-BAF reactor A 2, three grades of EM-BAF reactor A 2 are connected with the mistake mouth of a river of secondary EM-BAF reactor A 2 by the 3rd partition bottom.
Water collecting dike 11, braiding channel 12 and water shoot 13 are equipped with in top at the active bio bed of packings of three grades of EM-BAF reactor A 2.
During concrete enforcement, the oil refining sewerage after the secondary biochemical treatment enters distributing trough 2 by water inlet pipe 1, and through water distributing pore 3, cloth pool 4 enters EM-BAF reactor A 2, to guarantee the homogeneity of water inlet.Sewage enters chopped-off head EM-BAF reactor under the plug-flow effect, up-flow fully contacts with active bio filler 8, enter secondary EM-BAF reactor by connecting hole 9 again, falling stream fully contacts with active bio filler 8, enter three grades of EM-BAF reactors then from the bottom, up-flow fully contacts with active bio filler 8, and sewage and active bio filler are through after fully contacting, enter braiding channel 12 from three grades of EM-BAF reactors through effluent weir 11, discharge by water shoot 13.
Technique scheme is a kind of embodiment of the present utility model, for those skilled in the art, on the basis that the utility model discloses application method and principle, be easy to make various types of improvement or distortion, and be not limited only to the described method of the above-mentioned embodiment of the utility model, therefore previously described mode is preferably, and does not have restrictive meaning.
Be below in concrete enforcement, the effect that the device of this utility model is experimentized and reached:
Experiment 1
(CODcr is 300mg/L, NH through the sewage after the biochemical treatment to get certain refinery
3-N is 50mg/L, PH:6～9) experimentize.To rise to the EM-BAF reactor by lift pump through the oil refining sewerage after the biochemical treatment, fill with sewage after, add an amount of NaCO
3The pH value of regulating sewage is 7～9, and this experimental technique is 3 grades of EM-BAF reactors in series, and waste water is successively by 3 grades of EM-BAF reactors.The temperature of sewage is 28 ℃ in the EM-BAF reactor, and gas-water ratio is 9: 1, and the COD volumetric loading is 0.383kg/m
3D, the volumetric loading of ammonia nitrogen are 0.7497kg/m
3D.Through after the above art breading, COD reduces to 60mg/L,, NH
3-N is lower than 3mg/L, and PH:7～9 reach and are better than national grade one discharge standard (GB8978-1996).Inlet and outlet water water quality sees Table 1.
Table 1 influent quality with go out water quality standard
| Project | CODcr(mg/L) | NH 3-N(mg/L) |
| Influent quality | 300 | 50 |
| Go out water quality standard | 60 | 3 |
Experiment 2
(CODcr is 130mg/L, NH to get the sewage of certain refinery after biochemical treatment
3-N is 60mg/L, PH:6～8) experimentize.To rise to the EM-BAF reactor by lift pump through the sewage after the biochemical treatment, fill with sewage after, add an amount of NaHCO
3The pH value of regulating sewage is 7～9, and this technology is established 2 grades of EM-BAF reactors, and sewage is successively by 2 grades of EM-BAF reactors.Wastewater temperature in the EM-BAF reactor is 30 ℃, and gas-water ratio is 6: 1, and the COD volumetric loading is 0.167kg/m
3D, the volumetric loading of ammonia nitrogen are 0.1316kg/m
3D.Through after the above art breading, CODcr reduces to below the 60mg/L, NH
3-N is lower than 5mg/L, and PH:7～9 reach and are better than national grade one discharge standard (GB8978-1996).Inlet and outlet water concentration sees Table 2.
Table 2 influent quality with go out water quality standard
| Project | CODcr(mg/L) | NH 3-N(mg/L) |
| Influent quality | 130 | 60 |
| Go out water quality standard | 60 | 5 |
Claims (2)
1. an oil refining sewerage advanced treatment apparatus comprises pump sump and engineering bacteria one BAF EM-BAF reactor, it is characterized in that:
Described device comprises sewage disposal unit housings [14], pump sump [A1], one-level or multistage EM-BAF reactor [A2], water inlet pipe [1], distributing trough [2], water distributing pore [3], biologic packing material fixed frame [5], active bio filler [8], aerating pipelines [6], shore pipe [7], connecting hole [9], effluent weir [11], braiding channel [12], water shoot [13];
Described pump sump [A1] and one-level or multistage EM-BAF reactor [A2] are connected successively and are arranged in the described sewage disposal unit housings [14]; Have one group of partition in the described housing [14], described partition is positioned between described pump sump [A1] and the EM-BAF reactor [A2] and between the EM-BAF reactor at different levels [A2]; Described each cut off and to have the mouth of a river in the bottom or to have described connecting hole [9] on top;
Described distributing trough [2] is located at the top of described pump sump [A1], and described distributing trough [2] is equipped with water inlet pipe [1], and the bottom has water distributing pore [3];
The active bio bed of packings is equipped with at the middle part of each described EM-BAF reactor [A2], and the outside of described active bio bed of packings is biologic packing material fixed frame [5], and inside is divided into a plurality of spaces by filter, and active bio filler [8] is equipped with in each space; Aerating pipelines [6] is laid in the below of active bio bed of packings; The bottom of each described EM-BAF reactor [A2] is equipped with shore pipe [7];
The bottom of described pump sump [A1] links to each other with chopped-off head EM-BAF reactor [A2], is connected by the connecting hole [9] on described partition top or the mouth of a river of crossing of bottom successively between the EM-BAF reactors at different levels [A2];
In the end water collecting dike [11], braiding channel [12] and water shoot [13] are equipped with in the top of the active bio bed of packings of one-level EM-BAF reactor [A2].
2. oil refining sewerage advanced treatment apparatus according to claim 1 is characterized in that: the aerating pipelines [6] of each EM-BAF reactor [A2] below compiles in described sewage disposal unit housings [14] outside, is connected with gas blower [10].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201055190U CN201358204Y (en) | 2009-02-19 | 2009-02-19 | Oil-refining sewage advanced treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201055190U CN201358204Y (en) | 2009-02-19 | 2009-02-19 | Oil-refining sewage advanced treatment device |
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| CN201358204Y true CN201358204Y (en) | 2009-12-09 |
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| CNU2009201055190U Expired - Fee Related CN201358204Y (en) | 2009-02-19 | 2009-02-19 | Oil-refining sewage advanced treatment device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104114501A (en) * | 2012-03-23 | 2014-10-22 | 水翼株式会社 | Treatment method and treatment device for oil-containing waste water |
| CN110845008A (en) * | 2019-10-09 | 2020-02-28 | 浙江省天正设计工程有限公司 | Bioreactor for treating high-salt organic wastewater based on composite salt-tolerant strains |
| CN113321293A (en) * | 2021-04-26 | 2021-08-31 | 杭州泉尚环境科技有限公司 | Cosmetics waste water biological precipitation treatment facility |
| CN114230098A (en) * | 2021-12-17 | 2022-03-25 | 中煤科工集团杭州研究院有限公司 | Short-range synchronous denitrification device and method for domestic sewage |
-
2009
- 2009-02-19 CN CNU2009201055190U patent/CN201358204Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104114501A (en) * | 2012-03-23 | 2014-10-22 | 水翼株式会社 | Treatment method and treatment device for oil-containing waste water |
| CN104114501B (en) * | 2012-03-23 | 2017-04-12 | 水翼株式会社 | Treatment method and treatment device for oil-containing waste water |
| CN110845008A (en) * | 2019-10-09 | 2020-02-28 | 浙江省天正设计工程有限公司 | Bioreactor for treating high-salt organic wastewater based on composite salt-tolerant strains |
| CN113321293A (en) * | 2021-04-26 | 2021-08-31 | 杭州泉尚环境科技有限公司 | Cosmetics waste water biological precipitation treatment facility |
| CN114230098A (en) * | 2021-12-17 | 2022-03-25 | 中煤科工集团杭州研究院有限公司 | Short-range synchronous denitrification device and method for domestic sewage |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091209 Termination date: 20130219 |