CN203568942U - Equipment for treating saline sewage produced during refining of highly-acidic heavy crude oil - Google Patents
Equipment for treating saline sewage produced during refining of highly-acidic heavy crude oil Download PDFInfo
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- CN203568942U CN203568942U CN201320718874.1U CN201320718874U CN203568942U CN 203568942 U CN203568942 U CN 203568942U CN 201320718874 U CN201320718874 U CN 201320718874U CN 203568942 U CN203568942 U CN 203568942U
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- 238000007670 refining Methods 0.000 title abstract 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 85
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- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 5
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- 230000015572 biosynthetic process Effects 0.000 description 3
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- 241000894006 Bacteria Species 0.000 description 2
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
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- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses equipment for treating saline sewage produced during refining of highly-acidic heavy crude oil. The equipment comprises a gravity settling oil-removing device (1), an inclined plate precipitating oil-removing device (2), first-stage air floatation equipment (3), second-stage air floatation equipment (4), a biological aeration device (5), an anaerobic hydrolysis acidification device (6), a first-stage denitrification device, a second-stage denitrification device and a catalytic ozonation device (13). By using the equipment for treating the saline sewage produced during refining of highly-acidic heavy crude oil, a treated water body can meet the requirements that CODcr is less than or equal to 60 mg/L, petroleum is less than or equal to 5 mg/L, ammonia nitrogen is less than or equal to 10 mg/L, and the total nitrogen is less than or equal to 40 mg/L.
Description
Technical field
The utility model belongs to Refinery Wastewater Treatment Technology field, particularly, relates to a kind of processing containing the equipment of sour heavy crude refinery saline sewage.
Background technology
Containing sour heavy crude, typically refer to acid number and be greater than 2.0mgKOH/g, relative density is greater than 0.931g/cm simultaneously
3crude oil.Containing sour heavy crude, except having the denominator of the mink cell focuses such as low API °, high specific gravity, high carbon residue, high gum asphaltic content, generally also there is the features such as high-sulfur nitrogen, high saliferous, high acid value.Because global conventional oil reserves reduce day by day, in domestic imported crude oil, the high ratio containing sour heavy crude is more and more higher.In domestic newly-built Petrochemical Enterprises, also mainly with height, containing sour heavy crude, as main raw material, carry out work flow design.
Containing sour heavy crude processing unit (plant), can be divided into time processing device and secondary processing device, whole point source sewage of discharge are divided into oily(waste)water series and saline sewage series according to its pollutent characteristic.Oily(waste)water is mainly from secondary processing device, and pollution level is lighter, can produce pure water reuse boiler after materialization-biochemistry-advanced treatment.And saline sewage is because saltiness is higher, be not suitable for utilizing reverse osmosis membrane explained hereafter pure water, be generally qualified discharge after treatment.Containing sour heavy crude refinery saline sewage, mainly originate from petroleum tank dehydration, and the electrodesalting and electrodehydrating process of time processing device.Saline sewage has high COD(> 4000mg/L in macroscopic view), the polluting property of high oil-containing (> 1000mg/L), high ammonia nitrogen (> 200mg/L), high conductivity (> 4000 μ s/cm), on microstructure composition, there is organic acid, ester class, alcohols, polluting property that heterocycles isopolarity pollutant load is high.Therefore, saline sewage shows stronger emulsifying property, and weak biodegradability.The first discharge standard that starts to carry out in the provincial standard < < water disposal of pollutants limit value > > of Guangdong Province (DB44/26-2001) (the second period) along with a lot of provinces requires (CODcr≤60mg/L, petroleum-type≤5mg/L, ammonia nitrogen≤10mg/L, total nitrogen≤40mg/L), and saline sewage has been proposed to stricter processing requirements up to standard.
A kind of method that extremely-viscous crude sewage carries out advanced treatment is disclosed in ZL200910081479.5, and the related device of realizing its method disclosed, the whole point source saline sewages that utilize " sedimentation oil removing pot-inclined plate grease device-two-stage air-floating apparatus-one-stage hydrolysis souring tank-circulating active sludge method (CAST) pond-secondary hydrolysis acidification pool-BAF-coagulation basin-Lan Meila inclined-plate clarifying basin " device to produce processing super viscous crude in this patent, oily(waste)water is concentrated processing up to standard, effluent index meets petroleum-type≤10mg/L, CODcr≤100mg/L, the requirement of ammonia nitrogen≤15mg/L.Super viscous crude is also high a kind of of sour heavy crude that contain, although utilize related device to carry out processing to a certain degree to height containing sour heavy crude saline sewage in above-mentioned patent, but still there is the defect of sewage difficulty up to standard, effluent index is still not enough to meet completely the first discharge standard (CODcr≤60mg/L in the provincial standard < < water disposal of pollutants limit value > > of Guangdong Province (DB44/26-2001) (the second period), petroleum-type≤5mg/L, ammonia nitrogen≤10mg/L, total nitrogen≤40mg/L) requirement.
Utility model content
The purpose of this utility model is in order to overcome the above-mentioned defect of prior art, CODcr value, petroleum content, ammonia-nitrogen content and the total nitrogen content of water body after reduce processing, provide a kind of and process rear water body and can meet processing that CODcr≤60mg/L, petroleum-type≤5mg/L, ammonia nitrogen≤10mg/L, total nitrogen≤40mg/L require containing the equipment of sour heavy crude refinery saline sewage.
To achieve these goals, the utility model provides the equipment of a kind of processing containing sour heavy crude refinery saline sewage, and described equipment comprises successively connected gravity settling oil removal plant, sloping plate deposition oil removal plant, one-level airfloat equipment, secondary air-floatation equipment, bio-aeration device, anaerobic hydrolysis-acidification device, one-level nitrogen rejection facility, secondary nitrogen rejection facility and device for catalyzing and oxidating ozone.
Preferably, between described gravity settling oil removal plant, sloping plate deposition oil removal plant, one-level airfloat equipment, secondary air-floatation equipment, bio-aeration device, anaerobic hydrolysis-acidification device, one-level nitrogen rejection facility, secondary nitrogen rejection facility and device for catalyzing and oxidating ozone, by sewer line order, be communicated with.
Preferably, described gravity settling oil removal plant is homogeneous regulating tank.
Preferably, described sloping plate deposition oil removal plant is swash plate oil eliminator.
Preferably, described one-level airfloat equipment is one-level cavitation air flotation equipment.
Preferably, described secondary air-floatation equipment is secondary air-dissolving air-float equipment.
Preferably, described bio-aeration device is inner circulating aerating biological filtering tank.
Preferably, described anaerobic hydrolysis-acidification device is anaerobic hydrolysis-acidification tank.
Preferably, described one-level nitrogen rejection facility comprises successively connected one-level A pond, one-level O pond and medium sediment pool.
Preferably, described secondary nitrogen rejection facility comprises successively connected secondary A pond, secondary O pond and MBR pond.
Preferably, described device for catalyzing and oxidating ozone is catalytic ozonation tower.
Utilize processing of the present utility model containing the equipment of sour heavy crude refinery saline sewage, height to be processed containing the high organic loading difficult degradation saline sewage producing in sour heavy crude refinery process, can significantly reduce CODcr value, petroleum content, ammonia-nitrogen content and the total nitrogen content of water body after processing, water body after processing can meet the requirement of CODcr≤60mg/L, petroleum-type≤5mg/L, ammonia nitrogen≤10mg/L, total nitrogen≤40mg/L, thereby has solved the high sewage difficult problem up to standard causing containing sour heavy crude of refinery's processing.
Other feature and advantage of the present utility model partly in detail are described the embodiment subsequently.
Accompanying drawing explanation
Fig. 1 is the structural representation that the processing in a kind of preferred implementation of the present utility model contains sour heavy crude refinery saline sewage equipment.
Description of reference numerals
1 gravity settling oil removal plant; 2 sloping plate deposition oil removal plants; 3 one-level airfloat equipments; 4 secondary air-floatation equipment; 5 bio-aeration devices; 6 anaerobic hydrolysis-acidification devices; 7 one-level A ponds; 8 one-level O ponds; 9 medium sediment pools; 10 secondary A ponds; 11 secondary O ponds; 12MBR pond; 13 device for catalyzing and oxidating ozone.
Embodiment
Below in conjunction with Fig. 1, embodiment of the present utility model is elaborated.Should be understood that, embodiment described herein only, for description and interpretation the utility model, is not limited to the utility model.
As shown in Figure 1, the utility model provides the equipment of a kind of processing containing sour heavy crude refinery saline sewage, and this equipment comprises successively connected gravity settling oil removal plant 1, sloping plate deposition oil removal plant 2, one-level airfloat equipment 3, secondary air-floatation equipment 4, bio-aeration device 5, anaerobic hydrolysis-acidification device 6, one-level nitrogen rejection facility, secondary nitrogen rejection facility and device for catalyzing and oxidating ozone 13.
In the utility model, gravity settling oil removal plant 1 can be for can carrying out the conventional various devices in separated this area with water body containing oil slick, macrobead suspended substance (SS) in sour heavy crude refinery saline sewage, in order more effectively to remove the non-dissolved pollutants such as petroleum-type in saline sewage, suspended substance (SS), in the preferred case, gravity settling oil removal plant 1 is homogeneous regulating tank.
What those skilled in the art should understand that is, saline sewage is after gravity settling oil removal plant 1 is processed, oil slick in saline sewage, macrobead SS are separated with water body, can reclaim the oil slick that floats up to gravity settling oil removal plant 1 top, removal is settled down to the macrobead SS of gravity settling oil removal plant 1 bottom, and water body is inputted in next treatment unit.
In the utility model, sloping plate deposition oil removal plant 2 can be for carrying out SS, oil droplet and water body in saline sewage the conventional various devices in separated this area, in order more effectively to remove the non-dissolved pollutants such as petroleum-type in saline sewage, SS, in the preferred case, sloping plate deposition oil removal plant 2 is swash plate oil eliminator.
What those skilled in the art should understand that is, in sloping plate deposition oil removal plant 2, utilize the coalescent effect of swash plate and shallow pond sedimentation theory, can be by the coalescent formation of the dispersed oil in water body compared with larger oil droplet, by the coalescent formation larger particles of small-particle SS SS, macrobead SS, oil droplet are separated with water body, reclaim the oil droplet that floats up to sloping plate deposition oil removal plant 2 tops, removal is settled down to the SS of sloping plate deposition oil removal plant 2 bottoms, and water body is inputted in next treatment unit.
It will be understood by those skilled in the art that in the utility model, oil slick refers to that particle diameter is greater than the oil droplet that floats on water surface of 80 μ m; Dispersed oil refers to that particle diameter is less than the small oil droplet of 10 μ m, with suspended state, is scattered in water, unstable; Oil in water emulsion refers to the existence due to tensio-active agent, and oil is milk sap in water, easily forms O/W type emulsified particle, and particle diameter is less than 1 μ m, more stable in water, is difficult for bubbling through the water column.
In the utility model, one-level airfloat equipment 3 can be for removing the conventional various airfloat equipments in this area of oil in water emulsion and suspended substance in water body, in order more effectively to remove the non-dissolved pollutants such as petroleum-type in water body, SS, under preferable case, one-level airfloat equipment 3 is one-level cavitation air flotation equipment.
It will be understood by those skilled in the art that water body, after one-level airfloat equipment 3 is processed, can carry out separated with the top that oil in water emulsion takes one-level airfloat equipment 3 to by (colloidal attitude) suspended substance of the breakdown of emulsion in water body.
In the utility model, secondary air-floatation equipment 4 can be for can further removing the conventional various airfloat equipments in this area of oil in water emulsion and suspended substance in water body, in order more effectively to remove the non-dissolved pollutants such as petroleum-type in water body, SS, under preferable case, secondary air-floatation equipment 4 is secondary air-dissolving air-float equipment.
It will be understood by those skilled in the art that water body is after secondary air-floatation equipment 4 is processed, can make the non-dissolved pollutants such as oil in water emulsion and SS float up to secondary air-floatation equipment 4 tops and separated by the degree of depth.
In the utility model, " gravity settling oil removal plant 1-sloping plate deposition oil removal plant 2-one-level airfloat equipment 3-secondary air-floatation equipment 4 " is physicochemical treatment unit, after above-mentioned materialization is processed, that containing the non-dissolved pollutant such as the petroleum-type in sour heavy crude refinery saline sewage, SS, removes is more thorough, corresponding organic pollution load is also minimized, for biochemical system operation has improved water quality guarantee.
In the utility model, bio-aeration device 5 can for can the degree of depth degraded biochemical oxygen demand (BOD) (BOD), the conventional various bio-aeration devices in this area that significantly reduce organic pollution load, under preferable case, bio-aeration device 5 is inner circulating aerating biological filtering tank.Water body after secondary air-floatation equipment 4 is processed carries out biochemical pre-treatment in inner circulating aerating biological filtering tank, inner circulating aerating biological filtering tank preferably adopts systemic circulation ratio and excessive aeration, for strengthening the mass transfer between pollutent-oxygen-microorganism, the characteristic that possesses complete mixing reactor, can bear high organic pollution load; Meanwhile, filtrate is housed in pond, filter material surface can form high-density microbial film, between filtrate gap, can form sludge filtering layer, makes BOD degraded and suspended substance adsorption filtration effect stronger.
In the utility model, anaerobic hydrolysis-acidification device 6 can be for being converted into the macromole Persistent organic pollutants in water body the conventional various devices in this area of the easy degradable organic pollutant of small molecules by anaerobic hydrolysis-acidification, for the macromole Persistent organic pollutants in water body are converted into the easy degradable organic pollutant of small molecules better, further improve the biodegradability of water body, under preferable case, anaerobic hydrolysis-acidification device 6 is anaerobic hydrolysis-acidification tank.
It will be understood by those skilled in the art that the water body after bio-aeration device 5 is processed, organic pollution load declines, and biodegradability also has significantly and declines simultaneously; But after processing by anaerobic hydrolysis-acidification device 6, the biological degradability of water quality can return.That is to say that the water body after " bio-aeration device 5-anaerobic hydrolysis-acidification device 6 " biochemical pretreatment unit is processed can synchronously be realized organic pollution load decline, the improved regulating and controlling water quality target of biodegradability.
In the utility model, one-level nitrogen rejection facility 7 can be for reducing chemical oxygen demand (COD) (COD), significantly remove the conventional nitrogen rejection facility in this area of the inorganic pollutants such as ammonia nitrogen, total nitrogen simultaneously, in order more effectively to control COD, ammonia nitrogen, total nitrogen index, under preferable case, one-level nitrogen rejection facility comprises successively connected one-level anoxic pond (one-level A pond) 7, one-level Aerobic Pond (one-level O pond) 8 and medium sediment pool 9, that is to say, one-level nitrogen rejection facility is preferably one-level A/O/ medium sediment pool.
It will be understood by those skilled in the art that in one-level A pond 7, the nitrate nitrogen in the 8 backflow nitrification liquids of one-level O pond is by denitrification, and in water inlet, COD is utilized by denitrifying bacteria and part removal, and acidication occurs simultaneously improves biodegradability; In one-level O pond 8, ammonia nitrogen is by nitrated one-tenth nitrate nitrogen, and COD is degraded by aerobic biochemical.
In the utility model, secondary nitrogen rejection facility can be for can the degree of depth removing the nitrogen rejection facility of this area routine of the pollutents such as COD, ammonia nitrogen, total nitrogen, in order more effectively to control COD, ammonia nitrogen, total nitrogen index, under preferable case, secondary nitrogen rejection facility comprises successively connected secondary anoxic pond (secondary A pond) 10, secondary Aerobic Pond (secondary O pond) 11 and membrane bioreactor (MBR pond) 12, that is to say, secondary nitrogen rejection facility is preferably secondary A/O/MBR pond.
It will be understood by those skilled in the art that nitrate nitrogen is reduced total nitrogen content by denitrification in secondary A pond 10, synchronously reduce COD; In secondary O pond 11, ammonia nitrogen is by nitrated generation nitrate nitrogen, and COD is degraded by aerobic biochemical; In MBR pond 12, the hydraulic detention time sufficiently long of Persistent organic pollutants, is also beneficial to the holding back of Autotrophic nitrification bacterium, Growth and reproduction, and ammonia nitrogen 12 continues nitrated generation nitrate nitrogen in MBR pond, and COD is continued degraded.
It will be understood by those skilled in the art that the water body after " one-level nitrogen rejection facility-secondary nitrogen rejection facility " main biochemical cell processing, can the degree of depth remove the pollutents such as COD, ammonia nitrogen, total nitrogen.
In the utility model, in order to make the COD in water body and difficult degradation type organic pollutant is further degraded until mineralising, under preferable case, device for catalyzing and oxidating ozone 13 is catalytic ozonation tower.In catalytic ozonation tower, water body is processed under ozone/heterogeneous catalyst synergy.
Device for catalyzing and oxidating ozone 13 is for ensureing processing unit, and the water body after device for catalyzing and oxidating ozone 13 is processed, can meet the requirement of CODcr≤60mg/L, petroleum-type≤5mg/L, ammonia nitrogen≤10mg/L, total nitrogen≤40mg/L.
In the utility model, for gravity settling oil removal plant (1), sloping plate deposition oil removal plant (2), one-level airfloat equipment (3), secondary air-floatation equipment (4), bio-aeration device (5), anaerobic hydrolysis-acidification device (6), one-level nitrogen rejection facility, mode of connection between secondary nitrogen rejection facility and device for catalyzing and oxidating ozone (13) does not have particular requirement, as long as the water body after last device is processed can be inputted in next device, for example, gravity settling oil removal plant (1), sloping plate deposition oil removal plant (2), one-level airfloat equipment (3), secondary air-floatation equipment (4), bio-aeration device (5), anaerobic hydrolysis-acidification device (6), one-level nitrogen rejection facility, between secondary nitrogen rejection facility and device for catalyzing and oxidating ozone (13), can be communicated with by sewer line order.
Under preferable case, between homogeneous regulating tank, swash plate oil eliminator, one-level cavitation air flotation equipment, secondary air-dissolving air-float equipment, inner circulating aerating biological filtering tank, anaerobic hydrolysis-acidification tank, one-level A pond 7, one-level O pond 8, medium sediment pool 9, secondary A pond 10, secondary O pond 11, MBR pond 12 and catalytic ozonation tower, by sewer line order, be communicated with.
A kind of preferred embodiment in, as shown in Figure 1, processing of the present utility model comprises successively connected gravity settling oil removal plant 1 containing the equipment of sour heavy crude refinery saline sewage, sloping plate deposition oil removal plant 2, one-level airfloat equipment 3, secondary air-floatation equipment 4, bio-aeration device 5, anaerobic hydrolysis-acidification device 6, one-level nitrogen rejection facility, secondary nitrogen rejection facility and device for catalyzing and oxidating ozone 13, wherein, gravity settling oil removal plant 1 is homogeneous regulating tank, sloping plate deposition oil removal plant 2 is swash plate oil eliminator, one-level airfloat equipment 3 is one-level cavitation air flotation equipment, secondary air-floatation equipment 4 is secondary air-dissolving air-float equipment, bio-aeration device 5 is inner circulating aerating biological filtering tank, anaerobic hydrolysis-acidification device 6 is anaerobic hydrolysis-acidification tank, one-level nitrogen rejection facility comprises one-level A pond 7, one-level O pond 8 and medium sediment pool 9, secondary nitrogen rejection facility comprises secondary A pond 10, 11HeMBR pond, secondary O pond 12, device for catalyzing and oxidating ozone 13 is catalytic ozonation tower, between homogeneous regulating tank, swash plate oil eliminator, one-level cavitation air flotation equipment, secondary air-dissolving air-float equipment, inner circulating aerating biological filtering tank, anaerobic hydrolysis-acidification tank, one-level A pond 7, one-level O pond 8, medium sediment pool 9, secondary A pond 10, secondary O pond 11, MBR pond 12 and catalytic ozonation tower, by sewer line order, be communicated with.
Particularly, will be containing processing in sour heavy crude refinery saline sewage input homogeneous regulating tank, oil slick in saline sewage, macrobead SS are separated with water body, recovery floats up to the oil slick at homogeneous regulating tank top, removal is settled down to the macrobead SS of homogeneous regulating tank bottom, and will in the water body input swash plate oil eliminator after homogeneous regulating tank is processed, process; In swash plate oil eliminator, reclaim the oil droplet that floats up to swash plate oil eliminator top, remove the SS that is settled down to swash plate oil eliminator bottom, and input in one-level cavitation air flotation equipment and process after the water body after swash plate oil eliminator is processed is mixed with coagulating agent, coagulant aids; In one-level cavitation air flotation equipment, remove suspended substance and the oil in water emulsion at the top of one-level cavitation air flotation equipment, and input in secondary air-dissolving air-float equipment and process after the water body after one-level cavitation air flotation device processes is mixed with coagulating agent, coagulant aids; In secondary air-dissolving air-float equipment, remove oil in water emulsion and the suspended substance at secondary air-dissolving air-float equipment top, will in the water body input inner circulating aerating biological filtering tank after secondary air-dissolving air-float device processes, process; Water body (is equipped with filtrate at inner circulating aerating biological filtering tank in pond, filter material surface forms high-density microbial film, meeting formation sludge filtering layer between filtrate gap) in, carry out biochemical pre-treatment, inner circulating aerating biological filtering tank adopts systemic circulation ratio and excessive aeration, degree of depth degraded BOD adsorption filtration suspended substance, will process in the water body input anaerobic hydrolysis-acidification tank after inner circulating aerating biological filtering tank is processed; Anaerobic hydrolysis-acidification tank is converted into the easy degradable organic pollutant of small molecules by the macromole Persistent organic pollutants of water body, and improve the biodegradability of water body, will in the water body input one-level A/O/ medium sediment pool (connected one-level A pond 7, one-level O pond 8 and medium sediment pool 9 successively) after anaerobic hydrolysis-acidification tank is processed, process; Water body after one-level A/O/ medium sediment pool is processed, can reduce COD, significantly remove the inorganic pollutants such as ammonia nitrogen, total nitrogen, will in the water body input secondary A/O/MBR pond (connected secondary A pond 10,11HeMBR pond, secondary O pond 12 successively) after one-level A/O/ medium sediment pool is processed, process simultaneously; Water body after process in secondary A/O/MBR pond, can the degree of depth remove the pollutents such as COD, ammonia nitrogen, total nitrogen, will in the water body input catalytic ozonation tower after process in secondary A/O/MBR pond, process; In catalytic ozonation tower, water body is processed under ozone/heterogeneous catalyst synergy, and the water body after processing can meet the requirement of CODcr≤60mg/L, petroleum-type≤5mg/L, ammonia nitrogen≤10mg/L, total nitrogen≤40mg/L.
More than describe preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characterictic described in above-mentioned embodiment, in reconcilable situation, can combine by any suitable mode, for fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible array modes.
In addition, between various embodiment of the present utility model, also can carry out arbitrary combination, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (11)
1. a processing is containing the equipment of sour heavy crude refinery saline sewage, it is characterized in that, described equipment comprises successively connected gravity settling oil removal plant (1), sloping plate deposition oil removal plant (2), one-level airfloat equipment (3), secondary air-floatation equipment (4), bio-aeration device (5), anaerobic hydrolysis-acidification device (6), one-level nitrogen rejection facility, secondary nitrogen rejection facility and device for catalyzing and oxidating ozone (13).
2. equipment according to claim 1, it is characterized in that, between described gravity settling oil removal plant (1), sloping plate deposition oil removal plant (2), one-level airfloat equipment (3), secondary air-floatation equipment (4), bio-aeration device (5), anaerobic hydrolysis-acidification device (6), one-level nitrogen rejection facility, secondary nitrogen rejection facility and device for catalyzing and oxidating ozone (13), by sewer line order, be communicated with.
3. equipment according to claim 1 and 2, is characterized in that, described gravity settling oil removal plant (1) is homogeneous regulating tank.
4. equipment according to claim 1 and 2, is characterized in that, described sloping plate deposition oil removal plant (2) is swash plate oil eliminator.
5. equipment according to claim 1 and 2, is characterized in that, described one-level airfloat equipment (3) is one-level cavitation air flotation equipment.
6. equipment according to claim 1 and 2, is characterized in that, described secondary air-floatation equipment (4) is secondary air-dissolving air-float equipment.
7. equipment according to claim 1 and 2, is characterized in that, described bio-aeration device (5) is inner circulating aerating biological filtering tank.
8. equipment according to claim 1 and 2, is characterized in that, described anaerobic hydrolysis-acidification device (6) is anaerobic hydrolysis-acidification tank.
9. equipment according to claim 1 and 2, is characterized in that, described one-level nitrogen rejection facility comprises successively connected one-level A pond (7), one-level O pond (8) and medium sediment pool (9).
10. equipment according to claim 1 and 2, is characterized in that, described secondary nitrogen rejection facility comprises successively connected secondary A pond (10), secondary O pond (11) and MBR pond (12).
11. equipment according to claim 1 and 2, is characterized in that, described device for catalyzing and oxidating ozone (13) is catalytic ozonation tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320718874.1U CN203568942U (en) | 2013-11-14 | 2013-11-14 | Equipment for treating saline sewage produced during refining of highly-acidic heavy crude oil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320718874.1U CN203568942U (en) | 2013-11-14 | 2013-11-14 | Equipment for treating saline sewage produced during refining of highly-acidic heavy crude oil |
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| Publication Number | Publication Date |
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| CN203568942U true CN203568942U (en) | 2014-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320718874.1U Expired - Lifetime CN203568942U (en) | 2013-11-14 | 2013-11-14 | Equipment for treating saline sewage produced during refining of highly-acidic heavy crude oil |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105236696A (en) * | 2015-11-17 | 2016-01-13 | 邓万军 | United device for treating high-concentration organic wastewater |
| CN109650650A (en) * | 2018-12-17 | 2019-04-19 | 北京航天环境工程有限公司 | A kind of processing system and application of petrochemical industry sewage |
| CN111170494A (en) * | 2018-11-12 | 2020-05-19 | 中国石油天然气股份有限公司 | Treatment device for circulating water discharged sewage |
-
2013
- 2013-11-14 CN CN201320718874.1U patent/CN203568942U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105236696A (en) * | 2015-11-17 | 2016-01-13 | 邓万军 | United device for treating high-concentration organic wastewater |
| CN111170494A (en) * | 2018-11-12 | 2020-05-19 | 中国石油天然气股份有限公司 | Treatment device for circulating water discharged sewage |
| CN109650650A (en) * | 2018-12-17 | 2019-04-19 | 北京航天环境工程有限公司 | A kind of processing system and application of petrochemical industry sewage |
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Effective date of registration: 20170510 Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC OIL & PETROCHEMICALS Co.,Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee after: CNOOC HUIZHOU PETROCHEMICAL Co.,Ltd. Co-patentee after: China University of Petroleum (Beijing) Address before: 100010 Beijing City, Dongcheng District Chaoyangmen No. 25 North Street CNOOC building Co-patentee before: CNOOC OIL & PETROCHEMICALS Co.,Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee before: HUIZHOU REFINERY PLANT OF CNOOC OIL & PETROCHEMICALS CO.,LTD. Co-patentee before: China University of Petroleum (Beijing) |
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Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC OIL & PETROCHEMICALS Co.,Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee after: CNOOC HUIZHOU PETROCHEMICAL Co.,Ltd. Co-patentee after: China University of Petroleum (Beijing) Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC OIL & PETROCHEMICALS Co.,Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee before: CNOOC HUIZHOU PETROCHEMICAL Co.,Ltd. Co-patentee before: China University of Petroleum (Beijing) |
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