CN209338259U - Engine of boat and ship washing tail gas water treatment system - Google Patents
Engine of boat and ship washing tail gas water treatment system Download PDFInfo
- Publication number
- CN209338259U CN209338259U CN201821710595.XU CN201821710595U CN209338259U CN 209338259 U CN209338259 U CN 209338259U CN 201821710595 U CN201821710595 U CN 201821710595U CN 209338259 U CN209338259 U CN 209338259U
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- water
- centrifuge
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 238000005406 washing Methods 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 61
- 239000002699 waste material Substances 0.000 claims abstract description 25
- 238000000926 separation method Methods 0.000 claims abstract description 24
- 239000013505 freshwater Substances 0.000 claims abstract description 10
- 238000006073 displacement reaction Methods 0.000 claims description 18
- 239000010802 sludge Substances 0.000 claims description 18
- 239000003814 drug Substances 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 4
- 239000010865 sewage Substances 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 10
- 238000006477 desulfuration reaction Methods 0.000 abstract description 7
- 230000023556 desulfurization Effects 0.000 abstract description 7
- 229920005547 polycyclic aromatic hydrocarbon Polymers 0.000 abstract description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 17
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 9
- 239000002351 wastewater Substances 0.000 description 6
- 239000011734 sodium Substances 0.000 description 5
- 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 description 4
- 239000003513 alkali Substances 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000013019 agitation Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000007832 Na2SO4 Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Centrifugal Separators (AREA)
Abstract
A kind of engine of boat and ship washing tail gas water treatment system, including waste liquid buffer tank, solid-liquid separation centrifuge, water-oil separating centrifuge, fresh water pump, dredge pump etc., realize that engine of boat and ship tail gas desulfurization washing water reaches discharge standard by processes such as pH value adjustment, the removals of suspended matter and polycyclic aromatic hydrocarbon (PAH).The utility model volume compact, occupied area is small, is suitble to install and use on ship.
Description
Technical field
The utility model relates to engine of boat and ship, especially a kind of engine of boat and ship washing tail gas based on enclosed sodium alkali
Water treatment system.
Background technique
Currently, the vent gas washing system based on enclosed sodium alkali becomes SO in processing motor exhaust both at home and abroadxIt is main
Technology.In closed system, washing water is to be recycled, so the Na in washing water2SO4Concentration gradually increases.When
Na2SO4Concentration increase to a certain extent when, absorb SOxEfficiency will reduce, it is therefore desirable to periodically portion of washing water is extracted out
Discharge, and supplement fresh water and NaOH solution.Contain multiple pollutant in the washing water of discharge, predominantly polycyclic aromatic hydrocarbon (PAH), outstanding
Floating object etc. pollutant, IMO (International Maritime Organization) have also done strictly PAH, suspended matter, pH value and the temperature in the discharge water
Regulation.To meet emission regulation, corresponding water treatment system is needed to handle the water after washing.
It is found by retrieval, at home, land desulfurization washing water process has mature technology, and ship tail gas desulfurization is washed
Wash that water treatment system is also immature, processing ship tail gas desulphurization system generate the technology of washing water substantially using and land processing
Similar system, that is, use air bearing-flotation waste water facture, this method primary disadvantage is that equipment installation space is big, technique
Complexity, power are big, thus are not suitable for ship tail gas desulfurization washing water process and use.
Utility model content
The purpose of the utility model is to overcome above-mentioned the shortcomings of the prior art, propose a kind of engine of boat and ship tail gas
Water treatment system is washed, the system bulk is compact, simple process, feature easy to maintain.
The technical solution of the utility model is as follows:
A kind of engine of boat and ship washing tail gas water treatment system based on enclosed sodium alkali, comprising: be equipped with the first pH biography
Sensor, liquidometer, the first blender and temperature sensor waste liquid buffer tank, waste liquid buffer tank outlet by 2/2-way it is electronic
Ball valve is connect with first filter；The medicinal cupping of second blender is installed, medicinal cupping outlet is unidirectional with second by medicament supply pump
Valve connection；Second one-way valve outlet is parallel-connected to positive displacement quantitative pump with first filter outlet, and positive displacement quantitative pumps and becomes
The connection of frequency motor, positive displacement quantitative pump are connected in parallel with safety valve, and positive displacement quantitative pump discharge is through the first check valve and solid-liquid point
Luxuriant scheming connection, solid-liquid separation centrifuge outlet are connect with water-oil separating centrifuge, and water-oil separating centrifuge passes sequentially through the
Two or three two logical electrical ball valves, the 2nd pH sensor, PAH sensor, turbidity transducer, electromagnetic flowmeter, the one or three two it is logical
Electrical ball valve is connect with temporary storage cabinet；Another outlet of two or three two logical electrical ball valves also passes through the second filter and the 2nd pH
Sensor connection；Another outlet of one or three two logical electrical ball valves is also connect with waste liquid buffer tank；The connection of clear water pump discharge
To solid-liquid separation centrifuge and water-oil separating centrifuge；The sewage draining exit of solid-liquid separation centrifuge and water-oil separating centrifuge is all connected with
To sludge tank；Sludge tank outlet is connected with dredge pump.
The system operational process of the utility model is as follows:
(1) pH value adjusts: desulfurization wastewater is introduced into waste liquid buffer tank, and the first pH sensor detects the pH of waste liquid buffer tank
Value is such as unsatisfactory for emission request, and system calculates the amount of NaOH solution automatically, and adds to waste liquid buffer tank.Add NaOH solution
Afterwards, open the first blender by liquid agitation it is uniform after, system determines whether full according to the detected value of the first pH sensor of system
Foot requires, and is such as unsatisfactory for emission request and repeats above-mentioned movement, until meeting emission request.
(2) removal of suspended matter: after the pH value in waste liquid buffer tank meets emission request, 2/2-way electrical ball valve is obtained
Electric-opening, while the waste water of waste liquid buffer tank is extracted into solid-liquid separation centrifuge by positive displacement quantitative pump；Medicament supply pump is by medicinal cupping
In flocculant be transported to positive displacement quantitative pump inlet, flocculate small suspended matter；It will give up under solid-liquid separation centrifuge high speed rotation
Suspended matter and liquid separation in liquid；Isolated suspended matter is located at the temporary room of solid-liquid separation centrifuge, after reaching a certain amount of,
Isolated suspended matter is flushed to sludge tank after fresh water pump sucking clear water；After stopping port to bank, dredge pump is by mud discharging to land
Transport cabinet.
(3) removal of polycyclic aromatic hydrocarbon: the liquid after solid-liquid separation centrifuge separates enters water-oil separating centrifuge, in oil
Liquid and polycyclic aromatic hydrocarbon (PAH) are separated under the high speed rotation of the luxuriant scheming of moisture, the polycyclic aromatic hydrocarbon (PAH) after separation enters
Sludge tank；After the sludge in the temporary room of water-oil separating centrifuge reaches a certain amount of, by separation after fresh water pump sucking clear water
Sludge is flushed to sludge tank.
(4) detection with filter: the liquid after being separated through water-oil separating centrifuge, through the two or three two logical electrical ball valves, after
Through the 2nd pH sensor, PAH sensor, turbidity transducer detection, after detecting qualified after the first three two logical electrical ball valves
It is discharged into temporary storage cabinet；When detecting unqualified, the one or three two logical electrical ball valves obtain electric, and liquid comes back to waste liquid buffer tank；Together
When system determine whether to make the two or three two logical electrical ball valves to obtain according to the value that PAH sensor detects electric to flow through second
Filter is filtered.
(5) handle after water discharge: temporary storage cabinet will to meet IMO discharge water keep in, allow discharge sea area into
Row discharge.
Compared with prior art, the utility model has the beneficial effects that
(1) pollutant in enclosed sodium alkali engine of boat and ship washing tail gas water can be effectively removed, engine of boat and ship is made
Tail gas desulfurization washing water reaches discharge standard.
(2) volume compact, occupied area is small, is more suitable for installing and using on ship.
Detailed description of the invention
Fig. 1 is the principles of the present invention structure chart.
In figure: 1 the oneth pH sensor, 2 liquidometers, 3 first blenders, 4 waste liquid buffer tanks, 5 temperature sensors, 6 two
Two logical electrical ball valves, 7 first filters, 8 positive displacement quantitatives pump, 9 safety valves, 10 variable-frequency motors, 11 first check valves, 12 solid-liquids
Separate centrifuge, 13 water-oil separating centrifuges, 14 the 2nd pH sensors；15PAH sensor, 16 turbidity transducers, 17 electromagnetic currents
Meter, 18 the 1st two logical electrical ball valves, 19 temporary storage cabinets, 20 second filters, 21 the 2nd 3 two logical electrical ball valves, 22
Dredge pump, 23 sludge tanks, 24 fresh water pumps, 25 second one-way valves, 26 medicament supply pumps, 27 medicinal cuppings, 28 second blenders；31 wash
Wash waste water, 32 lye, 33 fresh water, 34 rows mouth out of my cabin, 35 rows mouth out of my cabin.
Fig. 2 is that system operation carries out water treatment process figure.
Specific embodiment
Water treatment system described in the utility model is done in the following with reference to the drawings and specific embodiments and is further explained in detail
It states, but the protection scope of the utility model should not be limited with this.
Water treatment system is as shown in Figure 1, comprising: is equipped with the first pH sensor 1, liquidometer 2, the first blender 3 and temperature
The waste liquid buffer tank 4 of sensor 5 is spent, the outlet of waste liquid buffer tank 4 is connect by 2/2-way electrical ball valve 6 with first filter 7；
The medicinal cupping 27 of second blender 28 is installed, the outlet of medicinal cupping 27 is connect by medicament supply pump 26 with second one-way valve 25；Second
The outlet of check valve 25 is parallel-connected to positive displacement quantitative pump 8, positive displacement quantitative pump 8 and variable-frequency motor with the outlet of first filter 7
10 connections, positive displacement quantitative pump 8 are connected in parallel with safety valve 9, and 8 outlet of positive displacement quantitative pump is through the first check valve 11 and solid-liquid point
Luxuriant scheming 12 connects, and the outlet of solid-liquid separation centrifuge 12 is connect with water-oil separating centrifuge 13, water-oil separating centrifuge 13 according to
It is secondary to pass through the two or three two logical electrical ball valves 21, the 2nd pH sensor 14, PAH sensor 15, turbidity transducer 16, Electromagnetic Flow
17, the 1st two logical electrical ball valves 18 of meter are connect with temporary storage cabinet 19；Another outlet of two or three two logical electrical ball valves 21
Also it is connect by the second filter 20 with the 2nd pH sensor 14；Another outlet of one or three two logical electrical ball valves 18 is also
It is connect with waste liquid buffer tank 4；The outlet of fresh water pump 24 is connected to solid-liquid separation centrifuge 12 and water-oil separating centrifuge 13；Solid-liquid
The sewage draining exit of separation centrifuge 12 and water-oil separating centrifuge 13 is all connected to sludge tank 23；Sludge tank 23 exports the row of being connected with
Dirt pump 22.
The system operational process of the utility model is as follows:
(1) pH value adjusts: desulfurization wastewater is introduced into waste liquid buffer tank 4, and the first pH sensor 1 detects waste liquid buffer tank 4
PH value is such as unsatisfactory for emission request, and system calculates the amount of NaOH solution automatically, and adds to waste liquid buffer tank 4.Add NaOH
After solution, open the first blender 3 by liquid agitation it is uniform after, system according to the detected value of the first pH sensor 1 of system determine
Whether meet the requirements, is such as unsatisfactory for emission request and repeats above-mentioned movement, until meeting emission request.
(2) removal of suspended matter: after the pH value in waste liquid buffer tank 4 meets emission request, 2/2-way electrical ball valve 6
Electric-opening is obtained, while the waste water of waste liquid buffer tank 4 is extracted into solid-liquid separation centrifuge 12 by positive displacement quantitative pump 8；Medicament supply pump
Flocculant in medicinal cupping 27 is transported to positive displacement quantitative by 26 pumps 8 imports, and flocculate small suspended matter；Solid-liquid separation centrifuge 12 is high
Speed rotation under by waste liquid suspended matter and liquid separate；Isolated suspended matter is located at the temporary room of solid-liquid separation centrifuge 12,
After reaching a certain amount of, fresh water pump 24 sucks after clear water isolated suspended matter being flushed to sludge tank 23；After stopping port to bank, blowdown
22 are pumped by mud discharging to land transportation cabinet.
(3) removal of polycyclic aromatic hydrocarbon: the liquid after the separation of solid-liquid separation centrifuge 12 enters water-oil separating centrifuge 13,
Liquid and polycyclic aromatic hydrocarbon (PAH) are separated under the high speed rotation of water-oil separating centrifuge 13, the polycyclic aromatic hydrocarbon (PAH) after separation
Into sludge tank 23；After the sludge in the temporary room of water-oil separating centrifuge 13 reaches a certain amount of, fresh water pump 24 sucks clear water
Isolated sludge is flushed to sludge tank 23 afterwards.
(4) it detects and filtering: the liquid after being separated through water-oil separating centrifuge 13, through the two or three two logical electrical ball valves
21, it is detected by the 2nd pH sensor 14, PAH sensor 15, turbidity transducer 16, it is two logical through the first three after detecting qualified
Temporary storage cabinet 19 is discharged into after electrical ball valve 18；When detecting unqualified, the one or three two logical electrical ball valves 18 must be electric, and liquid is again
Return to waste liquid buffer tank 4；Simultaneity factor determines whether to make the two or three two logical electrical ball valves according to the value that PAH sensor 15 detects
21, which obtain electric second filter 20 that flows through, is filtered.
(5) water discharges after handling: temporary storage cabinet 19 will keep in the water for meeting IMO discharge, in the sea area for allowing to discharge
It is discharged.
Claims (1)
1. a kind of engine of boat and ship washing tail gas water treatment system, which is characterized in that the system includes: waste liquid buffer tank (4), consolidates
Liquid separates centrifuge (12), water-oil separating centrifuge (13), medicinal cupping (27), temporary storage cabinet (19) and sludge tank (23),
The waste liquid buffer tank (4) is equipped with the first pH sensor (1), liquidometer (2), the first blender (3) and temperature and passes
Sensor (5), the waste liquid buffer tank (4) include washes import and lye supply mouth, two outlets: one outlet by the road with
The imports of one or three two logical electrical ball valves (18) is connected, the outlet of the one or three two logical electrical ball valves (18) with it is described temporary
The entrance for depositing cabinet (19) is connected；Another outlet is connected through 2/2-way electrical ball valve (6) with the import of first filter (7)；It should
The outlet of first filter (7) is connected with the entrance of positive displacement quantitative pump (8) by the road,
The medicinal cupping (27) is equipped with the second blender (28), and the outlet of the medicinal cupping (27) passes through medicament supply pump (26) and the
Two check valves (25) connection；The outlet of the second one-way valve (25) is connected with the entrance of the positive displacement quantitative pump (8), the appearance
The driving end of product formula constant displacement pump (8) is connected with the output end of variable-frequency motor (10), in the entrance of the positive displacement quantitative pump (8)
Safety valve (9) are parallel between outlet；
The entrance phase of the first check valve of outlet (11) and solid-liquid separation centrifuge (12) of the positive displacement quantitative pump (8)
Even, the outlet of the solid-liquid separation centrifuge (12) is connect with the entrance of water-oil separating centrifuge (13), the water-oil separating centrifuge
(13) output pipe is connected with the entrance of the two or three two logical electrical ball valves (21), is successively arranged on the output pipe
Two or three two logical electrical ball valves (21), the 2nd pH sensor (14), PAH sensor (15), turbidity transducer (16), electromagnetic current
Meter (17), the one or three two logical electrical ball valves (18) connection, the two or the three two logical electrical ball valves (21) another
Outlet is connected by the second filter (20) with the pipeline before the 2nd pH sensor (14)；
Another outlet of one or three two logical electrical ball valves (18) is connect with waste liquid buffer tank (4)；Fresh water pump (24) outlet warp
Entrance of the piping connection to solid-liquid separation centrifuge (12) and water-oil separating centrifuge (13)；The solid-liquid separation centrifuge
(12) it is connected with sludge tank (23) with the sewage draining exit of water-oil separating centrifuge (13)；The sludge tank (23) outlet is connected with blowdown
It pumps (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821710595.XU CN209338259U (en) | 2018-10-22 | 2018-10-22 | Engine of boat and ship washing tail gas water treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821710595.XU CN209338259U (en) | 2018-10-22 | 2018-10-22 | Engine of boat and ship washing tail gas water treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209338259U true CN209338259U (en) | 2019-09-03 |
Family
ID=67746652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821710595.XU Expired - Fee Related CN209338259U (en) | 2018-10-22 | 2018-10-22 | Engine of boat and ship washing tail gas water treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209338259U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111847551A (en) * | 2020-08-11 | 2020-10-30 | 中船动力研究院有限公司 | Marine wastewater discharge unit |
| CN114294078A (en) * | 2022-01-04 | 2022-04-08 | 江南造船(集团)有限责任公司 | Marine diesel engine exhaust gas cleaning system |
| WO2023231199A1 (en) * | 2022-06-01 | 2023-12-07 | 中船动力研究院有限公司 | Ship exhaust gas recirculation waste water treatment system and ship |
-
2018
- 2018-10-22 CN CN201821710595.XU patent/CN209338259U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111847551A (en) * | 2020-08-11 | 2020-10-30 | 中船动力研究院有限公司 | Marine wastewater discharge unit |
| CN114294078A (en) * | 2022-01-04 | 2022-04-08 | 江南造船(集团)有限责任公司 | Marine diesel engine exhaust gas cleaning system |
| CN114294078B (en) * | 2022-01-04 | 2023-06-16 | 江南造船(集团)有限责任公司 | Marine diesel engine exhaust gas cleaning system |
| WO2023231199A1 (en) * | 2022-06-01 | 2023-12-07 | 中船动力研究院有限公司 | Ship exhaust gas recirculation waste water treatment system and ship |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190903 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |