CN102167472A - Combined type MBR (membrane bioreactor) sewage treating and recycling device for offshore platform - Google Patents
Combined type MBR (membrane bioreactor) sewage treating and recycling device for offshore platform Download PDFInfo
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- CN102167472A CN102167472A CN 201110054085 CN201110054085A CN102167472A CN 102167472 A CN102167472 A CN 102167472A CN 201110054085 CN201110054085 CN 201110054085 CN 201110054085 A CN201110054085 A CN 201110054085A CN 102167472 A CN102167472 A CN 102167472A
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Abstract
The invention relates to a combined type MBR (membrane bioreactor) sewage treating and recycling device for an offshore platform, belonging to the technical field of environmental engineering. The combined type MBR sewage treating and recycling device for the offshore platform comprises three box bodies, wherein the box body I is an oil separation tank, wherein an oil retaining clapboard and an oil skimmer are arranged in the oil separation tank, and the oil separation tank is provided with a water outlet communicated with an adjusting tank; the box body II is internally provided with a septic tank and an adjusting tank at intervals, wherein the upper part of the septic tank is provided with a water outlet pipe communicated with the adjusting tank, a coarse grid and an overflow pipe are arranged in the adjusting tank, and the bottom of the septic tank is provided with a sewage submersible pump and a water outlet pipe; and the box body III is internally provided with a hydrolyzed acidification tank and an MBR tank at intervals, wherein the hydrolyzed acidification tank is internally provided with a fine grid, the upper part of the hydrolyzed acidification tank is provided with a water outlet pipe communicated with the MBR tank, an MBR membrane assembly is arranged in the MBR tank, a water collection pipe at the upper part of the MBR membrane assembly is communicated with a recycled water pump, and an aerator pipe at the bottom of the membrane assembly is communicated with a fan. The combined type MBR (membrane bioreactor) sewage treating and recycling device has the advantages of simple structure, high-efficiency energy saving, running continuity and stability, rapidness in assembly, control automation, convenience for operation, and the like.
Description
Technical field
The invention belongs to field of environment engineering technology, particularly relate to a kind of offshore platform built-up type MBR waste water treating and reutilizing device.
Background technology
The offshore production platform group generally has at least one cover staff life supporting system, and this system is the particular embodiment form with the accommodation module.The platform sanitary sewage mainly contains following source among accommodation module: 1. lavatory discharge water; 2. the discharge water of having a bath; 3. the discharge water of washing one's face and rinsing one's mouth; 4. kitchen discharge water; 5. central air-conditioning discharge water.Along with the exploitation of marine oil, the offshore platform sanitary sewage more and more comes into one's own to the pollution of ocean environment.
Traditional platform domestic sewage processing method mainly is divided into 3 classes according to different principles: physico-chemical processes, biochemical process and electrolytic process.China's biochemical process, physico-chemical process and electrolytic process platform have been realized commercialization with sewage treatment unit at present, but come with some shortcomings at aspects such as device volume, sewage type and use propertieies.The physico-chemical process machine volume is little, operation and unloaded quality are little, easy to operate; But add a large amount of medicaments, working cost height, install and easily stop up, need periodic cleaning.Biochemical process less investment, working cost are low, are most widely used; But device volume is huge, and that platform after the construction is installed is inconvenient, sewage type is single, the anti impulsion load ability, need periodic cleaning.The electrolytic process machine volume is little, operation and unloaded quality is little, sewage type comprehensively, system starts at any time, operating maintenance is simple, but one-time investment is big, working cost is high.
At the demand of current social to pollution reduction and middle water reuse, improve the utilization ratio of water in the daily life, especially improve the water-saving especially main outlet of repeating utilization factor of water.
Summary of the invention
The present invention provides a kind of offshore platform built-up type MBR waste water treating and reutilizing device for solving the technical problem that exists in the known technology.
The purpose of this invention is to provide a kind of have simple in structure, energy-efficient, easy for installation, zero release, operation continous-stable, rapidly and efficiently, assembling is quick, casing is merrily and lightheartedly attractive in appearance, the offshore platform of keeping characteristics such as high-biomass concentration, automatization control, convenient operation and management Yi Hang is with built-up type MBR waste water treating and reutilizing device.
Offshore platform of the present invention is to solve the technical scheme that the technical problem that exists in the known technology takes to be with built-up type MBR waste water treating and reutilizing device:
Offshore platform built-up type MBR waste water treating and reutilizing device, be characterized in: the waste water treating and reutilizing device comprises three casings, and the casing I is an oil trap, and oily dividing plate of retaining and oil skimmer vessel are set in the oil trap, top is provided with the water outlet that is communicated with equalizing tank; Separate in the casing II and be provided with septic tank, equalizing tank, establish in the septic tank and cut off and perforate, septic tank top is provided with the rising pipe that is communicated with equalizing tank, and coarse rack, upflow tube are set in the equalizing tank, the rising pipe that the equalizing tank bottom is provided with submersible sewage pump and is communicated with submersible sewage pump; Separate in the casing III and be provided with hydrolysis acidification pool and MBR pond, establish fine fack in the hydrolysis acidification pool, hydrolysis acidification pool top is provided with the rising pipe that is communicated with the MBR pond, place the MBR membrane module in the MBR pond, header is arranged at membrane module top, header is communicated with by pipeline and middle water pump, and the aeration tube of membrane module bottom is communicated with gas blower by pipeline.
Offshore platform of the present invention can also adopt following technical scheme with built-up type MBR waste water treating and reutilizing device:
Described offshore platform built-up type MBR waste water treating and reutilizing device, be characterized in: separation is provided with equipment room in the casing II, is provided with gas blower and middle water pump in the equipment room.
Described offshore platform built-up type MBR waste water treating and reutilizing device, be characterized in: the casing I is communicated with by the equalizing tank of pipeline with the casing II, and the equalizing tank of casing II is communicated with the hydrolysis acidification pool of casing III by submersible sewage pump and pipeline.
Described offshore platform is characterized in: connect by web member between casing II and the casing III with built-up type MBR waste water treating and reutilizing device.
Described offshore platform built-up type MBR waste water treating and reutilizing device, be characterized in: hydrolysis acidification pool top is provided with the upflow tube that is communicated with equalizing tank.
Described offshore platform built-up type MBR waste water treating and reutilizing device, be characterized in: upflow tube is a horn shape in the equalizing tank, the upflow tube rising pipe is provided with the drain trap of band cleanout opening.
Described offshore platform is characterized in: place 1 to 4 group of MBR membrane module in the MBR pond with built-up type MBR waste water treating and reutilizing device.
Described offshore platform is characterized in: adopt high strength punching press steel plate, on-the-spot aggregate erection with built-up type MBR waste water treating and reutilizing device.
Advantage and positively effect that the present invention has are:
Offshore platform owing to adopted brand-new technology scheme of the present invention, compared with prior art, has following characteristics with built-up type MBR waste water treating and reutilizing device:
The present invention is directed to the characteristics of the sanitary sewage water quality and the water yield, design lavatory discharge water (Heisui River) enters septic tank, enters equalizing tank after the processing; The kitchen discharge water enters oil trap, enters equalizing tank after the processing; Other discharge water enters equalizing tank.Sanitary sewage has overcome sewage output and water quality ununiformity through entering the biochemical treatment unit after the above-mentioned pre-treatment, guarantees that biochemical treatment system can operation continuously steady in a long-term, performance fast, stable, treatment effect efficiently.Be arranged in parallel at least 2 group membrane modules in the MBR pond, the quantity according to platform number selection operation membrane module has increased the anti-portative power in MBR pond.
Hydrolysis acidification pool of the present invention top is provided with the upflow tube that is communicated with equalizing tank, equalizing tank inside is provided with " loudspeaker " overflow port, when liquid level control is broken down when making membrane cisterna or acidication pit level superelevation, sewage overflow is to equalizing tank, reduced the probability that sewage overflow effluxes, the overflow design is more reasonable.
The present invention adopts high-intensity punching press steel plate body structure, and the lacing wire that is evenly distributed in the case makes the casing pressure-bearing even, one-piece construction uniqueness, reasonable.Standard punching press plate, arbitrary combination assembling, field assembly need not hanging device, and convenient and quick construction and casing are merrily and lightheartedly attractive in appearance, have overcome the restriction of platform size to waste disposal plant.Each above-mentioned casing can be placed according to platform space, forms split type or integral type sewage treatment unit.
The present invention adopts MBR technology, and membrane bioreactor (MBR) is a kind of high-efficiency sewage New Process for Treatment that biological treatment combines and forms with membrane sepn.Its principle of work is the organic pollutant in the aerobic degradation sewage that utilizes in the reactor, utilizes the ammonia nitrogen in the nitrobacteria conversion sewage in the reactor simultaneously.MBR technology is kept high biomass concentration by the crown_interception of film, and surplus sludge volume is few, increases the removal efficient of ammonia nitrogen.The MBR film can not only be held back suspended substance, and can hold back bacterium, can significantly remove bacterium and virus, and water outlet meets national specified discharge standard and middle water reuse index.
The whole process system of the present invention realizes that PLC controls automatically, and operational administrative is simple and convenient.
Description of drawings
Fig. 1 is an offshore platform of the present invention built-up type MBR waste water treating and reutilizing device two dimensional structure synoptic diagram;
Fig. 2 is an offshore platform of the present invention built-up type MBR waste water treating and reutilizing device cross-sectional view.
Among the figure, A-casing I, B-casing II, C-casing III, 1-oil trap, 2-kitchen water water inlet pipe, 3-oil skimmer vessel, 4-keep off oily dividing plate, 5-oil trap rising pipe, the 6-equalizing tank, 7-coarse rack, 8-septic tank, the 9-equipment room, 10-lavatory discharge water water inlet pipe, 11-septic tank dividing plate, 12-septic tank effluent pipe, 13-upflow tube, the drain trap of 14-band cleanout opening, the 15-washing water, the bath water water inlet pipe, 16-submersible sewage pump, 17-submersible sewage pump rising pipe, the 18-hydrolysis acidification pool, 19-MBR pond, 20-fine fack, 21-hydrolysis acidification pool rising pipe, 22-hydrolysis acidification pool upflow tube, 23-MBR membrane module, the 24-header, 25-film rising pipe, water pump among the 26-, the 27-aeration tube, 28-airduct pipeline, 29-gas blower, 30-robot control system(RCS).
Embodiment
For further understanding technology contents of the present invention, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
Consult accompanying drawing 1 and Fig. 2.
Embodiment 1
Offshore platform comprises casing I, casing II and casing III with built-up type MBR waste water treating and reutilizing device.The casing I is designed to oil trap 1, the kitchen discharge water enters oil trap 1 by kitchen water water inlet pipe 2, oil skimmer vessel 3 and the oily dividing plate 4 of retaining are set in the oil trap, regularly clear up the oil slick of oil trap inside by oil skimmer vessel 3, oil trap top is provided with oil trap rising pipe 5 and is communicated with equalizing tank 6 by pipeline, water outlet enters equalizing tank through behind the coarse rack 7 of equalizing tank, and the casing I is placed on kitchen waste water discharge manifold place.
Separate in the casing II and be provided with septic tank 8, equalizing tank 6 and equipment room 9, the lavatory discharge water enters septic tank 8 by lavatory discharge water water inlet pipe 10, establish septic tank in the septic tank and cut off 11 also perforates, septic tank 8 tops are provided with the septic tank effluent pipe 12 that is communicated with equalizing tank 6, water outlet enters equalizing tank 6 through behind the coarse rack 7 of equalizing tank, coarse rack 7 is set in the equalizing tank, " loudspeaker " upflow tube 13, the upflow tube outlet mouth of pipe is provided with the drain trap 14 of band cleanout opening, washing water, bath water etc. pass through washing water, bath water water inlet pipe 15 enters equalizing tank through the coarse rack 7 of equalizing tank, when equalizing tank 6 sewage are too much, can efflux the submersible sewage pump rising pipe 17 that the equalizing tank bottom is provided with submersible sewage pump 16 and is communicated with submersible sewage pump from upflow tube 13.
Separate in the casing III and be provided with hydrolysis acidification pool 18 and MBR pond 19, establish fine fack 20 in the hydrolysis acidification pool, hydrolysis acidification pool is realized water intake mode down by water inlet pipe, make hydrolysis acidification pool 18 have sedimentary effect concurrently, hydrolysis acidification pool top is provided with the hydrolysis acidification pool rising pipe 21 that is communicated with MBR pond 19, hydrolysis acidification pool top is provided with the hydrolysis acidification pool upflow tube 22 that is communicated with equalizing tank 6, when hydrolysis acidification pool 18 or MBR pond 19 sewage are too much, can be back to equalizing tank 6 from hydrolysis acidification pool upflow tube 22, place one group of MBR membrane module 23 in the MBR pond 19, the header 24 on membrane module top is communicated with by film rising pipe 25 and middle water pump 26, and the aeration tube 27 of membrane module bottom is communicated with gas blower 29 by airduct pipeline 28.Oil trap 1 water outlet of casing I is by connecting pipeline 5 run by gravity inlet body II equalizing tanks 6, the equalizing tank 6 of casing II is communicated with the hydrolysis acidification pool 18 of casing III by submersible sewage pump 16 and submersible sewage pump rising pipe 17, connects by the top board web member between casing II and the casing III.Middle water pump 26, gas blower 29, robot control system(RCS) 30 are placed in the described equipment room 9.Casing I, casing II and casing III adopt standard punching press steel plate, and on-the-spot combination assembling need not hanging device, convenient and quick construction, and casing is merrily and lightheartedly attractive in appearance.
As a kind of conversion of present embodiment, the casing I can be selected to put together with casing II and casing III according to the site space condition of platform, leads to the be connected to form one combined sewage water of formula of fitting and handles reclamation set; Increase membrane module according to platform staffing and the maximum personnel amount of platform.
The present invention joins clean water basin in addition according to the platform field condition, and sanitary sewage enters clean water basin through oil trap of the present invention, septic tank, equalizing tank, hydrolysis acidification pool, MBR behind the pond; According to water outlet water cycle decision in the clean water basin whether sterilizing unit is set, if keep in the clean water basin for flowing water then can not establish sterilizing unit.Each pond body effect of the present invention:
(a) oil trap: carry out oily water separation, remove dregs such as greasy dirt and part food;
(b) septic tank: remove bigger ight soil residue, paper fiber and the suspended substance of particle diameter;
(c) equalizing tank: water quality, the water yield and the water temperature of regulating sewage;
(d) hydrolysis acidification pool: acidication reaction, precipitating action;
(e) MBR pond: the aerobic biodegradation reaction, denitrogenation dephosphorizing is removed SS, turbidity, bacterium and virus etc.
The MBR waste disposal plant array configuration of present embodiment, the casing making method, at sea in the platform sewage disposal technology, the breakthrough with following several respects:
1, built-up type MBR waste water treating and reutilizing device, at the characteristics of the sanitary sewage water quality and the water yield, design lavatory discharge water (Heisui River) enters septic tank, and the kitchen discharge water enters oil trap, and the two enters equalizing tank after handling; Other discharge water directly enters equalizing tank.Coarse rack is set in the equalizing tank, come water all to remove paper fiber, hair and bigger granule foreign, prevent the obstruction and the damage of pump, regulating pondage, homogenizing water quality through grid, guarantee that biochemical treatment system can operation continuously steady in a long-term, performance fast, stable, treatment effect efficiently.Hydrolysis acid pond fine fack is tackled hair, paper fiber once more, prevents obstruction and the damage of this type of impurity to film.
2, high-intensity punching press steel plate body structure, the lacing wire that is evenly distributed in the case makes the casing pressure-bearing even, one-piece construction uniqueness, reasonable.Standard punching press plate, arbitrary combination assembling, field assembly need not hanging device, and convenient and quick construction and casing are merrily and lightheartedly attractive in appearance, have overcome the restriction of platform size to waste disposal plant.Each casing can be placed according to platform space, forms split type or integral type sewage treatment unit.
3, be arranged in parallel at least 2 group membrane modules in the MBR pond, the quantity according to platform number selection operation membrane module has increased the anti-portative power in MBR pond.
4, hydrolysis acidification pool top is provided with the upflow tube that is communicated with equalizing tank, equalizing tank inside is provided with " loudspeaker " overflow port, when hydrolysis acidification pool or MBR pond sewage are too much, sewage overflow is to equalizing tank, when equalizing tank sewage is too much, sewage overflow effluxes, and this overflow design has reduced the probability that sewage overflow effluxes, and it is more reasonable to design.
5, adopt MBR technology, membrane bioreactor (MBR) is that activated sludge biochemical reaction and membrane module are held back coefficient result to organic removal.MBR can keep high biomass concentration by the crown_interception of film, and surplus sludge volume is few, increases the removal efficient of ammonia nitrogen.MBR relies on the microbial film settled layer of fenestra and face formation to work in coordination with crown_interception to the removal of SS, turbidity and bacterium, the standard of water reuse during water outlet can reach.
Claims (7)
1. an offshore platform is with built-up type MBR waste water treating and reutilizing device, and it is characterized in that: the waste water treating and reutilizing device comprises three casings, and the casing I is an oil trap, and oily dividing plate of retaining and oil skimmer vessel are set in the oil trap, and top is provided with the water outlet that is communicated with equalizing tank; Separate in the casing II and be provided with septic tank, equalizing tank, establish in the septic tank and cut off and perforate, septic tank top is provided with the rising pipe that is communicated with equalizing tank, and coarse rack, upflow tube are set in the equalizing tank, the rising pipe that the equalizing tank bottom is provided with submersible sewage pump and is communicated with submersible sewage pump; Separate in the casing III and be provided with hydrolysis acidification pool and MBR pond, establish fine fack in the hydrolysis acidification pool, hydrolysis acidification pool top is provided with the rising pipe that is communicated with the MBR pond, place the MBR membrane module in the MBR pond, header is arranged at membrane module top, header is communicated with by pipeline and middle water pump, and the aeration tube of membrane module bottom is communicated with gas blower by pipeline.
2. according to the described offshore platform of claim 1 built-up type MBR waste water treating and reutilizing device, it is characterized in that: separation is provided with equipment room in the casing II, is provided with gas blower and middle water pump in the equipment room.
3. according to claim 1 or 2 described offshore platforms built-up type MBR waste water treating and reutilizing device, it is characterized in that: the casing I has pipeline to be communicated with the equalizing tank of casing II, and the equalizing tank of casing II is communicated with the hydrolysis acidification pool of casing III by submersible sewage pump and pipeline.
4. according to claim 1 or 2 described offshore platforms built-up type MBR waste water treating and reutilizing device, it is characterized in that: upflow tube is a horn shape in the equalizing tank, and the upflow tube rising pipe is provided with the drain trap of band cleanout opening.
5. according to claim 1 or 2 described offshore platforms built-up type MBR waste water treating and reutilizing device, it is characterized in that: connect by web member between casing II and the casing III.
6. according to claim 1 or 2 described offshore platforms built-up type MBR waste water treating and reutilizing device, it is characterized in that: hydrolysis acidification pool top is provided with the upflow tube that is communicated with equalizing tank.
7. according to claim 1 or 2 described offshore platforms built-up type MBR waste water treating and reutilizing device, it is characterized in that: place 1 to 4 group of MBR membrane module in the MBR pond.
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| CN201110054085A CN102167472B (en) | 2011-03-07 | 2011-03-07 | Combined type MBR (membrane bioreactor) sewage treating and recycling device for offshore platform |
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| CN201110054085A CN102167472B (en) | 2011-03-07 | 2011-03-07 | Combined type MBR (membrane bioreactor) sewage treating and recycling device for offshore platform |
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| CN102167472B CN102167472B (en) | 2012-10-10 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103496830A (en) * | 2013-10-23 | 2014-01-08 | 天津亿利科能源科技发展股份有限公司 | Movable integrated type multi-functional oily wastewater integrated treatment device |
| CN103589632A (en) * | 2012-08-13 | 2014-02-19 | 刘家晗 | Anti-freezing and anti-scabbing internal flashing device of large and medium-sized biogas pool (tank) |
| CN103755105A (en) * | 2014-01-29 | 2014-04-30 | 中国海洋石油总公司 | Treatment system and treatment method for marine domestic sewage |
| CN104176861A (en) * | 2014-08-18 | 2014-12-03 | 中国海洋石油总公司 | Offshore platform domestic sewage treatment method |
| CN104773906A (en) * | 2015-03-25 | 2015-07-15 | 上海中淼环保科技有限公司 | Integrated water recycling environmentally-friendly public lavatory |
| CN107973499A (en) * | 2018-01-16 | 2018-05-01 | 陈琪雯 | A kind of efficient sewerage processing equipment |
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| CN101823819A (en) * | 2010-02-04 | 2010-09-08 | 天津市塘沽区鑫宇环保科技有限公司 | Container type construction site sewage temporary treatment device |
| CN201648184U (en) * | 2010-03-10 | 2010-11-24 | 诺卫环境安全工程技术(广州)有限公司 | Domestic sewage treatment system for offshore platforms or boats |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101823819A (en) * | 2010-02-04 | 2010-09-08 | 天津市塘沽区鑫宇环保科技有限公司 | Container type construction site sewage temporary treatment device |
| CN201648184U (en) * | 2010-03-10 | 2010-11-24 | 诺卫环境安全工程技术(广州)有限公司 | Domestic sewage treatment system for offshore platforms or boats |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103589632A (en) * | 2012-08-13 | 2014-02-19 | 刘家晗 | Anti-freezing and anti-scabbing internal flashing device of large and medium-sized biogas pool (tank) |
| CN103496830A (en) * | 2013-10-23 | 2014-01-08 | 天津亿利科能源科技发展股份有限公司 | Movable integrated type multi-functional oily wastewater integrated treatment device |
| CN103755105A (en) * | 2014-01-29 | 2014-04-30 | 中国海洋石油总公司 | Treatment system and treatment method for marine domestic sewage |
| CN104176861A (en) * | 2014-08-18 | 2014-12-03 | 中国海洋石油总公司 | Offshore platform domestic sewage treatment method |
| CN104176861B (en) * | 2014-08-18 | 2016-03-30 | 中国海洋石油总公司 | A kind of offshore platform domestic sewage processing method |
| CN104773906A (en) * | 2015-03-25 | 2015-07-15 | 上海中淼环保科技有限公司 | Integrated water recycling environmentally-friendly public lavatory |
| CN107973499A (en) * | 2018-01-16 | 2018-05-01 | 陈琪雯 | A kind of efficient sewerage processing equipment |
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| CN102167472B (en) | 2012-10-10 |
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Effective date of registration: 20201222 Address after: 211600 No. 47, Jianshe Road, Jinhu County, Jiangsu, Huaian Patentee after: Jinhu comprehensive inspection and Testing Center Address before: 300384 building m2, Haitai development six Haitai green industrial base, Huayuan Industrial Park, Xiqing District, Tianjin Patentee before: E-TECH ENERGY TECHNOLOGY DEVELOPMENT Corp. |
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