CN106542676A - Marine exhaust washs water treatment facilities - Google Patents
Marine exhaust washs water treatment facilities Download PDFInfo
- Publication number
- CN106542676A CN106542676A CN201710020723.1A CN201710020723A CN106542676A CN 106542676 A CN106542676 A CN 106542676A CN 201710020723 A CN201710020723 A CN 201710020723A CN 106542676 A CN106542676 A CN 106542676A
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- CN
- China
- Prior art keywords
- treatment facilities
- water treatment
- settling tank
- marine exhaust
- cyclone separator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 238000005406 washing Methods 0.000 claims abstract description 61
- 230000003139 buffering effect Effects 0.000 claims abstract description 33
- 239000003814 drug Substances 0.000 claims abstract description 30
- 239000010802 sludge Substances 0.000 claims abstract description 13
- 239000000126 substance Substances 0.000 claims abstract description 13
- 239000006228 supernatant Substances 0.000 claims abstract description 8
- 239000010865 sewage Substances 0.000 claims abstract description 4
- 241000758789 Juglans Species 0.000 claims description 25
- 235000009496 Juglans regia Nutrition 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 25
- 235000020234 walnut Nutrition 0.000 claims description 25
- 238000001914 filtration Methods 0.000 claims description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 19
- 239000006004 Quartz sand Substances 0.000 claims description 17
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 14
- 229920002472 Starch Polymers 0.000 claims description 14
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 claims description 14
- 229910052708 sodium Inorganic materials 0.000 claims description 14
- 239000011734 sodium Substances 0.000 claims description 14
- 239000008107 starch Substances 0.000 claims description 14
- 235000019698 starch Nutrition 0.000 claims description 14
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 claims description 13
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 13
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 12
- 241000196324 Embryophyta Species 0.000 claims description 10
- 238000007598 dipping method Methods 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 19
- 239000007788 liquid Substances 0.000 description 10
- 239000002912 waste gas Substances 0.000 description 9
- 239000000706 filtrate Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 238000004062 sedimentation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000006477 desulfuration reaction Methods 0.000 description 4
- 230000023556 desulfurization Effects 0.000 description 4
- 235000019476 oil-water mixture Nutrition 0.000 description 4
- 235000019198 oils Nutrition 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 230000003746 surface roughness Effects 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000000701 coagulant Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 150000002505 iron Chemical class 0.000 description 2
- 229920000620 organic polymer Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910000358 iron sulfate Inorganic materials 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- CSNNHWWHGAXBCP-UHFFFAOYSA-L magnesium sulphate Substances [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 210000000582 semen Anatomy 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
A kind of marine exhaust washs water treatment facilities, including flocculant chemicals dosing plant, buffering settling tank, cyclone separator, filter and sludge sump, the medicine outlet of the flocculant chemicals dosing plant, the buffering settling tank, the cyclone separator and the filter are arranged in washings pipeline along water (flow) direction successively, the top side wall of the buffering settling tank is provided with overfall, the overfall accesses the washings pipeline so that the supernatant in the buffering settling tank flows into the cyclone separator, the sludge sump is connected to the buffering settling tank, the sewage draining exit of the cyclone separator and the filter.Marine exhaust washing water treatment facilities simple structure, the energy consumption of the present invention be low and treating capacity is big in the unit interval.
Description
Technical field
The present invention relates to apparel field, washs water treatment facilities especially with regard to a kind of marine exhaust.
Background technology
Marine exhaust post processing purification techniques is the major technique for administering marine exhaust discharge, and the process of desulfurization wastewater is whole
Indispensable device in individual marine exhaust desulphurization system, International Maritime Organization (IMO) for marine exhaust purging system and
Pollution From Ships thing has formulated corresponding discharge standard, with control the pH value of desulfurization wastewater for discharging, suspension content, turbidity,
Polycyclic aromatic hydrocarbon (PAHs) content, COD (COD) and oil water mixture content (total oil).
Wherein, for the COD and turbidity of desulfurization wastewater, the method that microbubble aerating oxidation can be adopted, by desulfurization wastewater
MgSO3And NO2 -It is oxidized to MgSO4And NO3 -, so as to reduce the COD and turbidity of water.For the PAHs in water and total oil, can adopt
(filler in adsorption column is usually macroporous resin) is processed with the method that adsorption column adsorbs, or adopts paired electroxidation technology, i.e.,
The H that the HClO produced using anode and negative electrode are produced2O2The technology of oxidative degradation Organic substance, by PAHs oxidation Decomposition paired environment
Harmless CO2And H2O。
However, when the method adsorbed using adsorption column is processed, the flow velocity of the treating capacity and absorption water of adsorption column is close
What cut was closed, thus also so that the treating capacity of washings is restricted while the discharge standard of washings is met, and adsorb
The desorption processing cost of post is higher, and utilize paired electroxidation technology by PAHs oxidation Decomposition into environmental sound CO2And H2O,
When washings treating capacity is very big, energy consumption is also larger.
Therefore, it is necessary to propose that a kind of marine exhaust washs water treatment facilities to solve the above problems.
The content of the invention
It is an object of the invention to provide a kind of marine exhaust that water process amount is big and energy consumption is relatively low washs water treatment facilities.
The present invention provides a kind of marine exhaust and washs water treatment facilities, including flocculant chemicals dosing plant, buffering settling tank, rotation
Stream separator, filter and sludge sump, the medicine outlet of the flocculant chemicals dosing plant, the buffering settling tank, the eddy flow point
It is arranged in washings pipeline along water (flow) direction from device and the filter successively, the top side wall of the buffering settling tank is provided with
Overfall, the overfall accesses the washings pipeline so that the supernatant in the buffering settling tank flows into the eddy flow point
From device, the sludge sump is connected to the sewage draining exit of the buffering settling tank, the cyclone separator and the filter.
Further, the flocculant chemicals dosing plant also includes flocculant storage tank and dosing pump, and the dosing pump connects institute
Flocculant storage tank is stated with the medicine outlet.
Further, the flocculant for storing in the flocculant storage tank is bodied ferric sulfate and carboxymethyl starch sodium by quality
Than 50:1 mixes the aqueous solution prepared.
Further, the dosing pump (12) for control the bodied ferric sulfate addition be 50mg/L～250mg/
L, the addition of the carboxymethyl starch sodium is 1mg/L～5mg/L.
Further, the medicine outlet and the distance of the buffering settling tank are 60cm～100cm, and the medicine outlet is located at
The center of the washings pipeline.
Further, the medicine outlet is L-shaped body, the parallel washings pipeline in bottom of the body and
Opening direction is consistent with water (flow) direction.
Further, the medicine outlet is in the side of the body of cylinder or cone, the cylinder or cone for bottom
It is provided with equally distributed through hole.
Further, the filtrate in the filter is quartz sand filter media and the mixture of walnut shell filtering material, the quartz
The volume ratio of sand filtering material and the walnut shell filtering material is 2～4：1, the particle diameter of the quartz sand filter media is 8～16mm, the Semen Juglandiss
The particle diameter of shell filtrate is 2～4mm.
Further, pretreatment walnut shell of the walnut shell filtering material for 2～3h of hydrogen peroxide dipping acquisitions of Jing 1～3%.
Further, also including the first water pump and the second water pump being arranged in the washings pipeline, first water
Pump be located at it is described buffering settling tank and the cyclone separator between, second water pump be located at the cyclone separator with it is described
Between filter.
The marine exhaust washing water treatment facilities of the embodiment of the present invention, by the flocculant chemicals dosing plant that sets gradually, slow
Rush settling tank, cyclone separator and filter so that washings flow into buffering sedimentation after fully being mixed with flocculant in the duct
Tank is fully settled, and the supernatant after sedimentation flows into cyclone separator by the overfall for buffering settling tank and further consolidated
Liquid is separated, and qualified discharge, apparatus structure letter are capable of achieving Jing after the isolated liquid inflow filter of cyclone separator is filtered
Single reliable, efficiently, water process amount is big and energy consumption is relatively low for processing procedure.
Description of the drawings
Fig. 1 is the structural representation of marine exhaust washing water treatment facilities in one embodiment of the invention.
Fig. 2 is the structural representation of dosing mouth in one embodiment of the invention.
Fig. 3 is the structural representation of dosing mouth in another embodiment of the present invention.
Fig. 4 is the structural representation of dosing mouth in further embodiment of the present invention.
Specific embodiment
Further to illustrate the present invention to reach technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Accompanying drawing and preferred embodiment, the specific embodiment, structure, feature and its effect to the present invention, describe in detail as after.
Fig. 1 is the structural representation of marine exhaust washing water treatment facilities in one embodiment of the invention.Fig. 2 is the present invention
The structural representation of dosing mouth in one embodiment.As shown in Figures 1 and 2, at the marine exhaust washings of the embodiment of the present invention
Reason device includes flocculant chemicals dosing plant 1, buffering settling tank 2, cyclone separator 3, filter 4 and sludge sump 5, flocculant dosing
Device 1 includes flocculant storage tank 11, dosing pump 12 and medicine outlet 13, the connection of dosing pump 12 flocculant storage tank 11 and medicine outlet 13,
The medicine outlet 13 of flocculant chemicals dosing plant 1 accesses washings pipeline 6 by the position 61 on washings pipeline 6, medicine outlet 13, slow
Rush settling tank 2, cyclone separator 3 and filter 4 to be arranged in washings pipeline 6 along water (flow) direction successively, sludge sump 5 is connected to
Buffering settling tank 2, the sewage draining exit of cyclone separator 3 and filter 4, sludge sump 5 individually or can be provided separately.
The flocculant stored in flocculant storage tank 11 adopts iron salt and organic polymer coagulant, and iron salt is preferably using polymerization
Iron sulfate, organic polymer coagulant preferably adopt carboxymethyl starch sodium (CMS), and in the present embodiment, flocculant is bodied ferric sulfate
With carboxymethyl starch sodium in mass ratio 50:1 mixes the aqueous solution prepared, and the flocculant in flocculant storage tank 11 passes through dosing pump 12
Medicine outlet 13 is pumped into so that, in washings pipeline 6, in the present embodiment, dosing pump 12 controls the addition of bodied ferric sulfate and is
50～250mg/L, carboxymethyl starch sodium addition are 1～5mg/L, that is, adding 50～250mg's in every liter of washings of control
The carboxymethyl starch sodium of bodied ferric sulfate and 1～5mg.Further, the distance of medicine outlet 13 and buffering settling tank 2 be 60cm～
100cm, medicine outlet 13 are located at the center of washings pipeline 6, so as to flocculant and washings can be made to be sufficiently mixed reaction.
In the present embodiment, medicine outlet 13 is L-shaped body, the bottom parallel wash waterpipe 6 of body and opening direction and current
Direction is consistent.As shown in figure 3, in another embodiment of the invention, medicine outlet 13 can be body of the bottom in cylinder, cylinder
The side of body is provided with equally distributed through hole 131.As shown in figure 4, in one more embodiment of the present invention, medicine outlet 13 can also be
Body of the bottom in cone, the side of cone is provided with equally distributed through hole 131.By the bottom of medicine outlet 13 is arranged to circle
Cylinder or cone structure, and the side of cylinder or cone is provided with equally distributed through hole 131, flocculant can be made uniformly to spray into and washed
Wash in waterpipe 6, so that flocculant is sufficiently mixed reaction with washings.
The top side wall of buffering settling tank 2 is provided with overfall, and the overfall accesses washings pipeline 6 so that buffering sedimentation
Supernatant in tank 2 flows into cyclone separator 3.Flocculant is sufficiently mixed in washings pipeline 6 and flows into buffering with washings
There is flocculating sedimentation with flocculant reaction in settling tank 2, washings, can effectively remove heavy metal ion and the suspension in washings
Thing, and the turbidity and COD of washings are reduced, the supernatant obtained after sedimentation flows into cyclone separator 3 by overfall, and precipitation is entered
Sludge sump 5.Make washings flows decrease and washings is fully settled using gravity principle using buffering settling tank 2, sink
The supernatant obtained after drop flows into cyclone separator 3 by overfall, and precipitation enters sludge sump 5, high treating effect and without the need for arranging
Extra suction pump.
Cyclone separator 3 is used for the solid-liquid separation for further realizing washings, and the isolated solid of cyclone separator 3 gives up
Material enters sludge sump 5, isolated liquid inflow filter 4.Cyclone separator 3 can further reduce the precipitation in washings
Thing, is more suitable for the environmental requirement of ship compared with whizzer.
Filtrate in filter 4 is the mixture of quartz sand filter media and walnut shell filtering material, quartz sand filter media and walnut shell filter
The volume ratio of material is 2～4：1, the particle diameter of quartz sand filter media is 8～16mm, and the particle diameter of walnut shell filtering material is 2～4mm, by upper
State the particle diameter of filter medium that volume when selects and can make the filtrate of filter 4 that there is suitable pore-size distribution and preferably filter effect to reach
Really, wherein, walnut shell filtering material also can use 1～3% hydrogen peroxide dipping to carry out pretreatment to increase surface roughness for 2～3 hours.Jing
The isolated liquid of cyclone separator 3 can reduce PAHs and total oil after the process of filter 4, meet discharge standard requirement,
PAHs and it is total it is separating of oil after enter sludge sump 5.
Further, the marine exhaust washing water treatment facilities of the embodiment of the present invention also includes being arranged on washings pipeline 6
In the first water pump 7 and the second water pump 8, the first water pump 7 is located between buffering settling tank 2 and cyclone separator 3, the second water pump 8
Between cyclone separator 3 and filter 4, so as to provide suitable power for the flowing of washings.
In embodiments of the invention, by the flocculant chemicals dosing plant that sets gradually, buffering settling tank, cyclone separator with
Filter so that washings are flowed into buffering settling tank and fully settled after fully being mixed with flocculant in the duct, after sedimentation
Supernatant cyclone separator flowed into by the overfall for buffering settling tank carry out further solid-liquid separation, Jing cyclone separators point
Qualified discharge is capable of achieving after the liquid inflow filter filtration for obtaining, apparatus structure is simple and reliable, and processing procedure is efficient, water
Treating capacity is big and energy consumption is relatively low.
Finally, the present invention illustrates its effect for being reached with specific embodiment：
Embodiment one：
Flocculant adopts bodied ferric sulfate and carboxymethyl starch sodium (CMS), and in mass ratio 50：It is configured to after 1 mixing water-soluble
Liquid, bodied ferric sulfate addition are 50mg/L, and corresponding carboxymethyl starch sodium (CMS) addition is 1mg/L.Flocculant dosing is filled
The medicine outlet put is located at buffering settling tank front end 60cm with washings pipeline junction, and the structure of medicine outlet is as shown in Figure 2.
In filter, filtrate is quartz sand and walnut shell filtering material, and the wherein volume ratio of quartz sand and walnut shell filtering material is 2：1,
The particle diameter of quartz sand is 8mm, and the particle diameter of walnut shell filtering material is in 2mm.Wherein 2% hydrogen peroxide dippings of walnut shell filtering material Jing 2 hours with
Increase surface roughness.
Marine exhaust washings Jing this device process front and rear rows put index contrast as shown in table 1, and indices are satisfied by ship
Oceangoing ship waste gas washings discharge standard.
1. marine exhaust washings of table process front and rear row and put index control
| Discharge index | Waste gas washings before processing | After waste gas washing water process |
| COD | 200mg/L | 30mg/L |
| Turbidity | 20NTU | 1NTU |
| Float | 1×104mg/L | 10mg/L |
| pH | 5.5 | 6.5 |
| PAHs | 400ug/L | 5ug/L |
| Oil water mixture | 200mg/L | 5mg/L |
Embodiment two：
Flocculant adopts bodied ferric sulfate and carboxymethyl starch sodium (CMS), and in mass ratio 50：It is configured to after 1 mixing water-soluble
Liquid, bodied ferric sulfate addition are 150mg/L, and corresponding carboxymethyl starch sodium (CMS) addition is 3mg/L.Flocculant dosing
The medicine outlet of device is located at buffering settling tank front end 80cm with the junction of washings pipeline, structure such as Fig. 3 institutes of medicine outlet
Show.
In filter, filtrate is quartz sand and walnut shell filtering material, and the wherein volume ratio of quartz sand and walnut shell filtering material is 3：1,
The particle diameter of quartz sand is 12mm, and the particle diameter of walnut shell filtering material is 3mm.Wherein 2% hydrogen peroxide dippings of walnut shell filtering material Jing 2.5 hours
To increase surface roughness.
Marine exhaust washings Jing this device process front and rear rows put index contrast as shown in table 2, and indices are satisfied by ship
Oceangoing ship waste gas washings discharge standard.
2. marine exhaust washings of table process front and rear row and put index control
| Discharge index | Waste gas washings before processing | After waste gas washing water process |
| COD | 300mg/L | 40mg/L |
| Turbidity | 25NTU | 2NTU |
| Float | 2×104mg/L | 15mg/L |
| pH | 6.0 | 7.0 |
| PAHs | 500ug/L | 7.5ug/L |
| Oil water mixture | 250mg/L | 7.5mg/L |
Embodiment three：
Flocculant adopts bodied ferric sulfate and carboxymethyl starch sodium (CMS), and in mass ratio 50：It is configured to after 1 mixing water-soluble
Liquid, bodied ferric sulfate addition are 250mg/L, and corresponding carboxymethyl starch sodium (CMS) addition is 5mg/L.Flocculant dosing
The medicine outlet of device is located at buffering settling tank front end 100cm with the junction of washings pipeline, structure such as Fig. 4 institutes of medicine outlet
Show.
In filter, filtrate is quartz sand and walnut shell filtering material, and the wherein volume ratio of quartz sand and walnut shell filtering material is 4：1,
The particle diameter of quartz sand is 16mm, and the particle diameter of walnut shell filtering material is 4mm.Wherein 3% hydrogen peroxide dippings of walnut shell filtering material Jing 3 hours with
Increase surface roughness.
Marine exhaust washings Jing this device process front and rear rows put index contrast as shown in table 3, and indices are satisfied by ship
Oceangoing ship waste gas washings discharge standard.
3. marine exhaust washings of table process front and rear row and put index control
| Discharge index | Waste gas washings before processing | After waste gas washing water process |
| COD | 400mg/L | 50mg/L |
| Turbidity | 30NTU | 3NTU |
| Float | 3×104mg/L | 20mg/L |
| pH | 6.5 | 7.5 |
| PAHs | 600ug/L | 10ug/L |
| Oil water mixture | 300mg/L | 10mg/L |
The above, is only presently preferred embodiments of the present invention, not makees any pro forma restriction to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, in the range of without departing from technical solution of the present invention, when making a little change or modification using the technology contents of the disclosure above
For the Equivalent embodiments of equivalent variations, as long as being without departing from technical solution of the present invention content, according to the technical spirit pair of the present invention
Any simple modification, equivalent variations and modification that above example is made, still fall within the range of technical solution of the present invention.
Claims (10)
1. a kind of marine exhaust washs water treatment facilities, it is characterised in that including flocculant chemicals dosing plant (1), buffering settling tank
(2), cyclone separator (3), filter (4) and sludge sump (5), it is the medicine outlet (13) of the flocculant chemicals dosing plant (1), described
Buffering settling tank (2), the cyclone separator (3) and the filter (4) are arranged on washings pipeline along water (flow) direction successively
(6), in, the top side wall of buffering settling tank (2) is provided with overfall, the overfall access the washings pipeline (6) with
The supernatant buffered in settling tank (2) is made to flow into the cyclone separator (3), the sludge sump (5) is connected to described slow
Rush the sewage draining exit of settling tank (2), the cyclone separator (3) and the filter (4).
2. marine exhaust as claimed in claim 1 washs water treatment facilities, it is characterised in that the flocculant chemicals dosing plant
(1) flocculant storage tank (11) and dosing pump (12) are also included, the dosing pump (12) connects the flocculant storage tank (11) and institute
State medicine outlet (13).
3. marine exhaust as claimed in claim 2 washs water treatment facilities, it is characterised in that in the flocculant storage tank (11)
The flocculant of storage is bodied ferric sulfate and carboxymethyl starch sodium in mass ratio 50:1 mixes the aqueous solution prepared.
4. marine exhaust as claimed in claim 3 washs water treatment facilities, it is characterised in that the dosing pump (12) is for controlling
The addition for making the bodied ferric sulfate is 50mg/L～250mg/L, the addition of the carboxymethyl starch sodium be 1mg/L～
5mg/L。
5. marine exhaust as claimed in claim 1 washs water treatment facilities, it is characterised in that the medicine outlet (13) with it is described
Buffering settling tank (2) distance be 60cm～100cm, centre bit of the medicine outlet (13) positioned at the washings pipeline (6)
Put.
6. marine exhaust as claimed in claim 5 washs water treatment facilities, it is characterised in that the medicine outlet (13) be in
The body of " L " type, the parallel washings pipeline (6) in bottom of the body and opening direction is consistent with water (flow) direction.
7. marine exhaust as claimed in claim 5 washs water treatment facilities, it is characterised in that the medicine outlet (13) is bottom
In cylinder or cone body, the side of the cylinder or cone is provided with equally distributed through hole (131).
8. marine exhaust as claimed in claim 1 washs water treatment facilities, it is characterised in that the filter in the filter (4)
Expect the mixture for quartz sand filter media and walnut shell filtering material, the quartz sand filter media and the walnut shell filtering material volume ratio be 2
～4：1, the particle diameter of the quartz sand filter media is 8～16mm, and the particle diameter of the walnut shell filtering material is 2～4mm.
9. marine exhaust as claimed in claim 8 washs water treatment facilities, it is characterised in that the walnut shell filtering material is Jing 1
The pretreatment walnut shell that～3% 2～3h of hydrogen peroxide dipping is obtained.
10. marine exhaust as claimed in claim 1 washs water treatment facilities, it is characterised in that also including being arranged on described washing
The first water pump (7) and the second water pump (8) in waterpipe (6) is washed, first water pump (7) is positioned at buffering settling tank (2)
Between the cyclone separator (3), second water pump (8) positioned at the cyclone separator (3) and the filter (4) it
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710020723.1A CN106542676A (en) | 2017-01-12 | 2017-01-12 | Marine exhaust washs water treatment facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710020723.1A CN106542676A (en) | 2017-01-12 | 2017-01-12 | Marine exhaust washs water treatment facilities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106542676A true CN106542676A (en) | 2017-03-29 |
Family
ID=58396576
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710020723.1A Pending CN106542676A (en) | 2017-01-12 | 2017-01-12 | Marine exhaust washs water treatment facilities |
Country Status (1)
| Country | Link |
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| CN (1) | CN106542676A (en) |
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