CN206553306U - Marine exhaust washs water treatment facilities - Google Patents

Marine exhaust washs water treatment facilities Download PDF

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Publication number
CN206553306U
CN206553306U CN201720031505.3U CN201720031505U CN206553306U CN 206553306 U CN206553306 U CN 206553306U CN 201720031505 U CN201720031505 U CN 201720031505U CN 206553306 U CN206553306 U CN 206553306U
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China
Prior art keywords
treatment facilities
water treatment
settling tank
marine exhaust
cyclone separator
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CN201720031505.3U
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Chinese (zh)
Inventor
丁慧
段东霞
于航
刘欣
姚萍
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Qingdao Sunrui Marine Environment Engineering Co Ltd
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Qingdao Sunrui Marine Environment Engineering Co Ltd
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Abstract

A kind of marine exhaust washs water treatment facilities, including flocculant chemicals dosing plant, buffer 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 of the present utility model is simple in construction, energy consumption is low and treating capacity is big in the unit interval.

Description

Marine exhaust washs water treatment facilities
Technical field
The utility model is related to apparel field, and water treatment facilities is washed 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 processing 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 of discharge, 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 used, 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, it can adopt The method processing (filler in adsorption column is usually macroreticular resin) adsorbed with adsorption column, or use paired electroxidation technology, i.e., The H that the HClO and negative electrode produced using anode is produced2O2The technology of oxidative degradation organic matter, by the paired environment of PAHs oxidation Decompositions Harmless CO2And H2O。
However, when the method adsorbed using adsorption column is handled, the treating capacity of adsorption column and the flow velocity of absorption water are 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 absorption The desorption processing cost of post is higher, and utilize paired electroxidation technology by PAHs oxidation Decompositions into environmental sound CO2And H2O, When washings treating capacity is very big, energy consumption is also larger.
Therefore, it is necessary to propose a kind of marine exhaust washing water treatment facilities to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of marine exhaust that water process amount is big and energy consumption is relatively low washing water process Device.
The utility model provides a kind of marine exhaust washing water treatment facilities, including flocculant chemicals dosing plant, buffering sedimentation Tank, cyclone separator, filter and sludge sump, the medicine outlet of the flocculant chemicals dosing plant, the buffering settling tank, the rotation Stream separator and the filter are arranged in washings pipeline along water (flow) direction successively, the top side wall of the buffering settling tank Provided with overfall, the overfall accesses the washings pipeline so that the supernatant in the buffering settling tank flows into the rotation Stream separator, 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 State flocculant storage tank and the medicine outlet.
Further, the flocculant stored in the flocculant storage tank is bodied ferric sulfate and sodium carboxymethyl starch by quality Than 50:1 mixes the aqueous solution prepared.
Further, the dosing pump (12) is used to control the addition of the bodied ferric sulfate to be 50mg/L~250mg/ L, the addition of the sodium carboxymethyl starch is 1mg/L~5mg/L.
Further, the distance of the medicine outlet and the buffering settling tank is 60cm~100cm, and the medicine outlet is located at The center of the washings pipeline.
Further, the medicine outlet be 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 cylinder or the body of cone, the cylinder or cone for bottom Provided with equally distributed through hole.
Further, the filtrate in the filter is the mixture of quartz sand filter media and 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 walnut The particle diameter of shell filtrate is 2~4mm.
Further, the walnut shell filtering material is the pretreatment walnut shell obtained through 1~3% 2~3h of hydrogen peroxide dipping.
Further, in addition to the first water pump and the second water pump that are 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 utility model embodiment, is filled by the flocculant dosing set gradually Put, buffer settling tank, cyclone separator and filter so that washings are flowed into after fully being mixed in the duct with flocculant and buffered Settling tank is fully settled, and the supernatant after sedimentation flows into cyclone separator by the overfall of buffering settling tank and carried out further Separation of solid and liquid, through cyclone separator it is isolated liquid inflow filter filtering after i.e. can be achieved qualified discharge, device knot Structure is simple and reliable, and efficiently, water process amount is big and energy consumption is relatively low for processing procedure.
Brief description of the drawings
Fig. 1 is the structural representation of marine exhaust washing water treatment facilities in the utility model one embodiment.
Fig. 2 is the structural representation of dosing mouth in the utility model one embodiment.
Fig. 3 is the structural representation of dosing mouth in the utility model another embodiment.
Fig. 4 is the structural representation of dosing mouth in the utility model further embodiment.
Embodiment
Further to illustrate that the utility model is to reach technological means and effect that predetermined utility model purpose is taken, Below in conjunction with accompanying drawing and preferred embodiment, to embodiment of the present utility model, structure, feature and its effect, specifically It is bright as after.
Fig. 1 is the structural representation of marine exhaust washing water treatment facilities in the utility model one embodiment.Fig. 2 is this The structural representation of dosing mouth in utility model one embodiment.As shown in Figures 1 and 2, the ship of the utility model embodiment Waste gas washing water treatment facilities includes flocculant chemicals dosing plant 1, buffering settling tank 2, cyclone separator 3, filter 4 and sludge sump 5, flocculant chemicals dosing plant 1 includes flocculant storage tank 11, dosing pump 12 and medicine outlet 13, the connection flocculant storage tank 11 of dosing pump 12 With medicine outlet 13, the access washings pipeline of position 61 6 of the medicine outlet 13 of flocculant chemicals dosing plant 1 on washings pipeline 6, Medicine outlet 13, buffering settling tank 2, cyclone separator 3 and filter 4 are arranged in washings pipeline 6 along water (flow) direction successively, dirty Mud groove 5 is connected to buffering settling tank 2, the sewage draining exit of cyclone separator 3 and filter 4, and sludge sump 5 individually or can be provided separately.
The flocculant stored in flocculant storage tank 11 uses molysite and organic polymer coagulant, and molysite is preferred to use polymerization Ferric sulfate, it is bodied ferric sulfate that organic polymer coagulant, which is preferred to use flocculant in sodium carboxymethyl starch (CMS), the present embodiment, With sodium carboxymethyl starch in mass ratio 50:1 flocculant mixed in the aqueous solution prepared, flocculant storage tank 11 passes through dosing pump 12 Medicine outlet 13 is pumped into enter in washings pipeline 6, in the present embodiment, dosing pump 12 controls the addition of bodied ferric sulfate to be 50~250mg/L, sodium carboxymethyl starch addition is 1~5mg/L, that is, 50~250mg of addition in every liter of washings of control The sodium carboxymethyl starch of bodied ferric sulfate and 1~5mg.Further, medicine outlet 13 with buffering settling tank 2 distance for 60cm~ 100cm, medicine outlet 13 is located at the center of washings pipeline 6, so as to make flocculant and washings be sufficiently mixed reaction. In the present embodiment, medicine outlet 13 is L-shaped body, the bottom parallel wash waterpipe 6 and opening direction and current of body Direction is consistent.As shown in figure 3, in another embodiment of the present utility model, the body that medicine outlet 13 can be in cylinder for bottom, The side of cylinder is provided with equally distributed through hole 131.As shown in figure 4, in another embodiment of the present utility model, medicine outlet 13 bodys that can be also in cone for bottom, the side of cone is provided with equally distributed through hole 131.By by the bottom of medicine outlet 13 It is arranged to cylinder or cone structure, and the side of cylinder or cone is provided with equally distributed through hole 131, flocculant can be made equal In even penetrating washings pipeline 6, so that flocculant is sufficiently mixed reaction with washings.
The top side wall for buffering settling tank 2 is provided with overfall, and the overfall access washings pipeline 6 is so that buffering is settled Supernatant in tank 2 flows into cyclone separator 3.Flocculant is sufficiently mixed in washings pipeline 6 with washings and flows into buffering With flocculant reaction flocculating setting occurs for 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 discharged into Sludge sump 5.Washings flows decrease is made using buffering settling tank 2 and washings is fully settled using gravity principle, is sunk The supernatant obtained after drop flows into cyclone separator 3 by overfall, and precipitation is discharged into sludge sump 5, high treating effect and without setting Extra suction pump.
Cyclone separator 3 is used for the separation of solid and liquid for further realizing washings, and the isolated solid of cyclone separator 3 gives up Material is discharged into 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 quartz sand filter media and the mixture of walnut shell filtering material, and quartz sand filter media and walnut shell are filtered 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 Stating the particle diameter of filter medium that volume when selects can make the filtrate of filter 4 have suitable pore-size distribution to reach that preferably filtering is imitated Really, wherein, walnut shell filtering material also can use 1~3% hydrogen peroxide dipping to be pre-processed to increase surface roughness for 2~3 hours.Through The isolated liquid of cyclone separator 3 can reduce PAHs and total oil after being handled through filter 4, meet discharge standard requirement, Sludge sump 5 is discharged into after PAHs and total oil separation.
Further, the marine exhaust washing water treatment facilities of the utility model embodiment also includes being arranged on washing pipe The first water pump 7 and the second water pump 8 in road 6, the first water pump 7 are located between buffering settling tank 2 and cyclone separator 3, the second water Pump 8 is located between cyclone separator 3 and filter 4, so as to provide suitable power for the flowing of washings.
In embodiment of the present utility model, pass through the flocculant chemicals dosing plant, buffering settling tank, cyclonic separation set gradually Device and filter so that washings flow into buffering settling tank and fully settled after fully being mixed in the duct with flocculant, sink Supernatant after drop flows into cyclone separator by the overfall of buffering settling tank and carries out further separation of solid and liquid, through cyclonic separation Qualified discharge can be achieved after the isolated liquid inflow filter filtering of device, apparatus structure is simple and reliable, and processing procedure is high Effect, water process amount is big and energy consumption is relatively low.
Finally, the utility model illustrates its effect reached with specific embodiment:
Embodiment one:
Flocculant uses bodied ferric sulfate and sodium carboxymethyl starch (CMS), in mass ratio 50:It is configured to after 1 mixing water-soluble Liquid, bodied ferric sulfate addition is 50mg/L, and corresponding sodium carboxymethyl starch (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.
Filtrate is quartz sand and walnut shell filtering material in filter, 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 walnut shell filtering material through 2% hydrogen peroxide dipping 2 hours with Increase surface roughness.
Through the present apparatus, discharge index contrasts as shown in table 1 to marine exhaust washings before and after the processing, and indices are satisfied by ship Oceangoing ship waste gas washings discharge standard.
Discharge index is compareed the marine exhaust washings of table 1. before and after the processing
Discharge index Waste gas washings before processing After waste gas washing water process
COD 200mg/L 30mg/L
Turbidity 20NTU 1NTU
Suspension 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 uses bodied ferric sulfate and sodium carboxymethyl starch (CMS), in mass ratio 50:It is configured to after 1 mixing water-soluble Liquid, bodied ferric sulfate addition is 150mg/L, and corresponding sodium carboxymethyl starch (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.
Filtrate is quartz sand and walnut shell filtering material in filter, 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 walnut shell filtering material was through 2% hydrogen peroxide dipping 2.5 hours To increase surface roughness.
Through the present apparatus, discharge index contrasts as shown in table 2 to marine exhaust washings before and after the processing, and indices are satisfied by ship Oceangoing ship waste gas washings discharge standard.
Discharge index is compareed the marine exhaust washings of table 2. before and after the processing
Discharge index Waste gas washings before processing After waste gas washing water process
COD 300mg/L 40mg/L
Turbidity 25NTU 2NTU
Suspension 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 uses bodied ferric sulfate and sodium carboxymethyl starch (CMS), in mass ratio 50:It is configured to after 1 mixing water-soluble Liquid, bodied ferric sulfate addition is 250mg/L, and corresponding sodium carboxymethyl starch (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.
Filtrate is quartz sand and walnut shell filtering material in filter, 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 walnut shell filtering material through 3% hydrogen peroxide dipping 3 hours with Increase surface roughness.
Through the present apparatus, discharge index contrasts as shown in table 3 to marine exhaust washings before and after the processing, and indices are satisfied by ship Oceangoing ship waste gas washings discharge standard.
Discharge index is compareed the marine exhaust washings of table 3. before and after the processing
Discharge index Waste gas washings before processing After waste gas washing water process
COD 400mg/L 50mg/L
Turbidity 30NTU 3NTU
Suspension 3×104mg/L 20mg/L
pH 6.5 7.5
PAHs 600ug/L 10ug/L
Oil water mixture 300mg/L 10mg/L
It is described above, only it is preferred embodiment of the present utility model, not makees any formal to the utility model Limitation, although the utility model is disclosed above with preferred embodiment, but is not limited to the utility model, any ripe Professional and technical personnel is known, is not being departed from the range of technical solutions of the utility model, when in the technology using the disclosure above Hold the equivalent embodiment made a little change or be modified to equivalent variations, as long as being without departing from technical solutions of the utility model Hold, any simple modification, equivalent variations and the modification made according to technical spirit of the present utility model to above example, still Belong in the range of technical solutions of the utility model.

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 the buffering settling tank (2) is provided with overfall, the overfall access the washings pipeline (6) with The supernatant in the buffering settling tank (2) is set 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 sodium carboxymethyl starch 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 used to control The addition for making the bodied ferric sulfate is 50mg/L~250mg/L, the addition of the sodium carboxymethyl starch for 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 The distance for buffering settling tank (2) is 60cm~100cm, and the medicine outlet (13) is located at the centre bit of 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 the body of cone, 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 volume ratio of the quartz sand filter media and the walnut shell filtering material is 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 through 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 wash The first water pump (7) and the second water pump (8) in waterpipe (6) are washed, first water pump (7) is located at the buffering settling tank (2) Between the cyclone separator (3), second water pump (8) be located at the cyclone separator (3) and the filter (4) it Between.
CN201720031505.3U 2017-01-12 2017-01-12 Marine exhaust washs water treatment facilities Active CN206553306U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106542676A (en) * 2017-01-12 2017-03-29 青岛双瑞海洋环境工程股份有限公司 Marine exhaust washs water treatment facilities
CN110015779A (en) * 2019-04-03 2019-07-16 哈尔滨工程大学 Ship washes processing unit
CN114259938A (en) * 2021-12-01 2022-04-01 青岛双瑞海洋环境工程股份有限公司 Quick mixing and dissolving device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106542676A (en) * 2017-01-12 2017-03-29 青岛双瑞海洋环境工程股份有限公司 Marine exhaust washs water treatment facilities
CN110015779A (en) * 2019-04-03 2019-07-16 哈尔滨工程大学 Ship washes processing unit
CN110015779B (en) * 2019-04-03 2021-11-23 哈尔滨工程大学 Ship washing wastewater treatment device
CN114259938A (en) * 2021-12-01 2022-04-01 青岛双瑞海洋环境工程股份有限公司 Quick mixing and dissolving device
CN114259938B (en) * 2021-12-01 2023-02-03 青岛双瑞海洋环境工程股份有限公司 Quick mixing and dissolving device

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