CN210736379U - Marine neutralization water system - Google Patents
Marine neutralization water system Download PDFInfo
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- CN210736379U CN210736379U CN201920951342.XU CN201920951342U CN210736379U CN 210736379 U CN210736379 U CN 210736379U CN 201920951342 U CN201920951342 U CN 201920951342U CN 210736379 U CN210736379 U CN 210736379U
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Abstract
The utility model discloses a marine neutralization water system, include: the special sea water filter of exhaust gas desulfurization tower, the cooling sea water pump, the sea water cooler, the neutralization cabin, the exhaust gas desulfurization tower, first inlet tube, the second inlet tube, the third inlet tube, the fourth inlet tube, exhaust gas scrubbing exhaustpipe and delivery pipe, through cooling water seabed door, the special sea water filter of exhaust gas desulfurization tower, the cooling sea water pump, the neutralization cabin, the pH value detector, first inlet tube, the second inlet tube, the third inlet tube, the fourth inlet tube, exhaust gas scrubbing exhaustpipe, detection probe and delivery pipe, the solenoid valve, first valve, the second valve, the third valve, stop valve and check valve, be promptly at original cooling sea water discharge pipe, be connected to exhaust gas scrubbing exhaustpipe. The neutralization water pump, the carbon steel pipe and the stop valve are additionally added instead of the original requirement, and meanwhile, the energy can be saved, the labor can be saved, and the energy consumption can be reduced.
Description
Technical Field
The utility model discloses a boats and ships desulfurization washing technical field, especially a marine neutralization water system.
Background
Since 2020, the IMO Marine Environmental Protection Commission (MEPC) passed the act and required that the global bunker fuel oil sulfur content be changed from the original upper limit of 3.5% to the upper limit of 0.5%. The use of high-quality fuel oil with the sulfur content of not more than 0.5 percent can greatly increase the operation cost of ships, and many shipowners adopt the installation of a waste gas desulfurization tower to replace the use of high-quality fuel oil with lower sulfur content.
In the related art, the open desulfurizing tower needs to use seawater to wash the exhaust gas of the marine diesel engine, so as to reduce the sulfur content discharged to the atmosphere, and meanwhile, according to the ship-level specification, extra seawater is needed to dilute the sewage after the exhaust gas is washed, so that the pH value (pH value) of the sewage meets the discharge requirement. The common method is that the neutralization water pump, the carbon steel pipe, the stop valve and the special seawater filter capacity of the waste gas desulfurization tower are additionally increased, and fresh seawater is provided for diluting waste gas washing sewage, so that the construction cost consumption of the ship washing desulfurization tower is increased, and the ship operation cost is increased.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problem that exists among the correlation technique, the utility model discloses a provide a marine neutralization water system.
According to the utility model discloses a first aspect of the embodiment provides a marine neutralization water system, include: the system comprises a special seawater filter 1 for the waste gas desulfurization tower, a cooling seawater pump 2, a seawater cooler 3, a neutralization chamber 4, a waste gas desulfurization tower 5, a first water inlet pipe 6, a second water inlet pipe 7, a third water inlet pipe 8, a fourth water inlet pipe 9, a waste gas washing water discharge pipe 10 and a discharge pipe 11;
the water inlet of the seawater filter 1 special for the waste gas desulfurization tower is communicated with a ship door through a first water inlet pipe 6;
the water outlet of the seawater filter 1 special for the waste gas desulfurization tower is communicated with the water inlet of the cooling seawater pump 2 through a second water inlet pipe 7;
the water outlet of the cooling seawater pump 2 is communicated with the water inlet of the seawater cooler 3 through a third water inlet pipe 8;
the water outlet of the seawater cooler 3 is communicated with the left end of the inner cavity of the neutralization chamber 4 through a fourth water inlet pipe 9;
the water outlet of the waste gas desulfurization tower 5 is communicated with the top of the inner cavity of the neutralization chamber 4 through a waste gas washing water discharge pipe 10;
the inner cavity of the neutralization chamber 4 is communicated with a discharge pipe 11;
the neutralization chamber 4 includes the cabin body 41, the inner chamber of the cabin body 41 is provided with the pH valve detector 42, outside PLC controller a is connected to the output electricity of pH valve detector 42, the left end and the fourth inlet tube 9 of the cabin body 41 are pegged graft mutually, fourth inlet tube 9 is provided with solenoid valve 43 with cabin body 41 intercommunication department, and outside PLC controller a is connected to solenoid valve 43 electricity.
Preferably, a first valve 12 is arranged at the middle end of the connection between the special seawater filter 1 for the flue gas desulfurization tower and the first water inlet pipe 6, a second valve 13 is arranged at the middle end of the second water inlet pipe 7 between the special seawater filter 1 for the flue gas desulfurization tower and the cooling seawater pump 2, and a third valve 14 is arranged at the middle end of the third water inlet pipe 8 between the cooling seawater pump 2 and the seawater cooler 3.
Preferably, a stop valve 15 and a check valve 16 are sequentially arranged at the middle end of the fourth water inlet pipe 9 between the seawater cooler 3 and the neutralization chamber 4 from left to right.
Preferably, the ph detector 42, the electromagnetic valve 43 and the external PLC controller are all powered by an external power supply.
The utility model discloses a technical scheme that embodiment provided can include following beneficial effect: through special sea water filter 1 of exhaust gas desulfurization tower, cooling sea water pump 2, sea water cooler 3, neutralization chamber 4, exhaust gas desulfurization tower 5, pH valve detector 52, solenoid valve 53, first inlet tube 6, second inlet tube 7, third inlet tube 8, fourth inlet tube 9, exhaust gas washing discharge pipe 10, and discharge pipe 11, first valve 12, second valve 13, third valve 14, stop valve 15 and check valve 16, be at original cooling sea water discharge pipe promptly and increase stop valve 15 on the fourth inlet tube promptly, check valve 16 and neutralization chamber 4 are connected to exhaust gas washing discharge pipe 10 on. The capacity of the seawater filter 2 special for the waste gas desulfurization tower, such as a neutralization water pump, a carbon steel pipe, a stop valve and the like, is not required to be increased, and meanwhile, energy and labor can be saved, and energy consumption is reduced.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a marine neutralization water system according to an embodiment of the present disclosure;
fig. 2 is a schematic view of a structure of a neutralization tank of a neutralization water system for a ship according to an embodiment of the present disclosure.
In the figure: 1. the special seawater filter for the waste gas desulfurization tower comprises a waste gas desulfurization tower special seawater filter 2, a cooling seawater pump 3, a seawater cooler 4, a neutralization chamber 5, a waste gas desulfurization tower 41, a cabin body 42, a pH value detector 4, an electromagnetic valve 6, a first water inlet pipe 7, a second water inlet pipe 8, a third water inlet pipe 9, a fourth water inlet pipe 10, a waste gas washing water discharge pipe 11, a discharge pipe 12, a first valve 13, a second valve 14, a third valve 15, a stop valve 16 and a check valve.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
As shown in fig. 1-2, a marine neutralizing water system is shown according to an exemplary embodiment, comprising: the system comprises a special seawater filter 1 for the waste gas desulfurization tower, a cooling seawater pump 2, a seawater cooler 3, a neutralization chamber 4, a waste gas desulfurization tower 5, a first water inlet pipe 6, a second water inlet pipe 7, a third water inlet pipe 8, a fourth water inlet pipe 9, a waste gas washing water discharge pipe 10 and a discharge pipe 11;
the water inlet of the seawater filter 1 special for the waste gas desulfurization tower is communicated with a ship door through a first water inlet pipe 6;
the water outlet of the seawater filter 1 special for the waste gas desulfurization tower is communicated with the water inlet of the cooling seawater pump 2 through a second water inlet pipe 7;
the water outlet of the cooling seawater pump 2 is communicated with the water inlet of the seawater cooler 3 through a third water inlet pipe 8;
the water outlet of the seawater cooler 3 is communicated with the left end of the inner cavity of the neutralization chamber 4 through a fourth water inlet pipe 9;
the water outlet of the waste gas desulfurization tower 5 is communicated with the top of the inner cavity of the neutralization chamber 4 through a waste gas washing water discharge pipe 10;
the inner cavity of the neutralization chamber 4 is communicated with a discharge pipe 11;
the neutralization chamber 4 comprises a chamber body 41, an inner cavity of the chamber body 41 is provided with a pH value detector 42, an output end of the pH value detector 42 is electrically connected with an external PLC (programmable logic controller), the left end of the chamber body 41 is spliced with a fourth water inlet pipe 9, a solenoid valve 43 is arranged at the communication part of the fourth water inlet pipe 9 and the chamber body 41, and the solenoid valve 43 is electrically connected with the external PLC;
seawater enters a first water inlet pipe 6 through a ship door and is communicated with a water inlet of a seawater filter 1 special for the waste gas desulfurization tower, a water outlet of the seawater filter 1 special for the waste gas desulfurization tower is communicated with a water inlet of a cooling seawater pump 2 through a second water inlet pipe 7, a water outlet of the cooling seawater pump 2 is communicated with a water inlet of a seawater cooler 3 through a third water inlet pipe 8, a water outlet of the seawater cooler 3 is communicated with the left end of an inner cavity of a neutralization cabin 4 through a fourth water inlet pipe 9, a water outlet of a waste gas desulfurization tower 5 is communicated with the top of the inner cavity of the neutralization cabin 4 through a waste gas washing water discharge pipe 10, the seawater cooler 3 of the original engine room of the ship is generally in, the cooling tube materials are typically HAl77-2 aluminum brass, BFe10-1-1(Cu90-Ni 10), BFe30-1-1(Cu70-Ni30) copper-nickel alloy and Ti titanium alloy tubes. The copper end socket material of the cooler is ZCuAl9Mn2 bronze alloy, the shell and tube can be made of 316L stainless steel or Q345 and 16MnR low carbon steel tubes according to different requirements, and can also be made of titanium alloy composite materials, the cooling seawater pump 3 sucks outboard fresh seawater through a ship door and discharges the fresh seawater into the cabin seawater cooler 4 to cool all equipment in the cabin, after the seawater finishes the work of the cooling equipment, the components of the seawater are not changed, and the neutralization water condition of waste gas washing sewage can be met, so the cooling seawater sequentially passes through the ship door, the first water inlet pipe 6, the special seawater filter 1 for the waste gas desulfurization tower, the second water inlet pipe 7, the cooling seawater pump 2, the third water inlet pipe 8, the seawater cooler 3, the fourth water inlet pipe 9 and the neutralization cabin 4, and is finally discharged through the discharge pipe 11.
When the desulfurization waste gas washing sewage is diluted and neutralized, the flow rate of the cooling seawater flowing into the inner cavity of the neutralization chamber 4 through the fourth water inlet pipe 9 is the same as that of the washing sewage discharged into the inner cavity of the neutralization chamber 4 through the waste gas washing water discharge pipe 10, and the cooling seawater can be discharged through the discharge pipe 11 after being neutralized, the pH value detector 42 detects the pH value of the mixed liquid in the inner cavity of the neutralization chamber 4 through the detection of the pH value, then the detected information passes through the external PLC a, the external PLC a can collect the pH value information and send corresponding signals to the electromagnetic valve 43, and the electromagnetic valve 43 is used for controlling the flow speed of the cooling seawater in the fourth water inlet pipe 9. The electromagnetic valve 43 can be divided into a throttle valve, a stroke throttle valve, a speed regulating valve, a split-flow and integrated throttle valve, and the like according to functions and purposes thereof. Their common characteristics are that the area of overflowing of the choke in the utilization change valve, the liquid resistance size when adjusting fluid and flowing through the choke, thereby realize the control to the flow, the utility model discloses use the automatic speed control valve, when the peracid of the mixed liquid that pH value detector 42 detected or pH value when passing alkali is greater than 9 or be less than 5, outside PLC controller a alright with the information collection of pH value and send corresponding signal for solenoid valve 43, then solenoid valve 43 just can increase the velocity of flow of cooling sea water and then reduce or rise pH value, make pH value about 7, at this moment just the water in the automatically regulated neutralization chamber 4 keeps pH all the time about 7 scopes promptly neutral scope, and then make the washing sewage of discharge pipe 11 exhaust all be in can discharging within range, can the energy saving simultaneously save artifically, reduce the power consumption.
Specifically, in order to control each device through each valve and facilitate the overall operation, a first valve 12 is arranged at the middle end of the connection between the special seawater filter 1 for the flue gas desulfurization tower and the first water inlet pipe 6, a second valve 13 is arranged at the middle end of the second water inlet pipe 7 between the special seawater filter 1 for the flue gas desulfurization tower and the cooling seawater pump 2, and a third valve 14 is arranged at the middle end of the third water inlet pipe 8 between the cooling seawater pump 2 and the seawater cooler 3.
Specifically, a stop valve 15 is opened at the middle end of the fourth water inlet pipe 9 between the seawater cooler 3 and the neutralization chamber 4 in sequence from left to right, the stop valve 15 is an opening and closing stop valve for starting and opening the neutralization chamber 4, and a check valve 16 for preventing the waste gas washing water from flowing backwards.
Specifically, in order to provide power for controlling the water flow rate through the ph detector 42 and the electromagnetic valve 43, the ph detector 42, the electromagnetic valve 43 and the external PLC controller are all powered by an external power supply.
With regard to the apparatus in the above-described embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated here.
The working principle is as follows: when the desulfurized waste gas washing water is neutralized, the first valve 12, the second valve 13 and the third valve 14 are opened in sequence, at the moment, the cooling seawater pump is started, seawater is sucked into the outboard fresh seawater through the ship door in sequence, the seawater is discharged into the cabin seawater cooler 4 through the special seawater filter of the waste gas desulfurization tower, all equipment of the cabin is cooled, after the seawater finishes the work of the cooling equipment, the components of the seawater are not changed, the condition of waste gas washing sewage neutralization water can be met, then the stop valve 15 is opened, the cooled seawater enters the neutralization cabin 4 through the check valve 16, the pH value detector 42 detects the pH value of the mixed liquid in the inner cavity of the neutralization cabin 4, then the detected information passes through the external PLC a, the external PLC can collect the pH value information and send corresponding signals to the electromagnetic valve 43, the electromagnetic valve 43 is used for controlling the flowing speed of the cooling seawater in the fourth water inlet pipe 9, the automatic speed regulating valve is realized to further control the flow rate of the cooling seawater (neutralization water), when the pH value of the mixed liquid detected by the pH value detector 42 is over-acid or over-alkali is more than 9 or less than 5, the external PLC controller a can collect the pH value information and send corresponding signals to the electromagnetic valve 43, then the electromagnetic valve 16 can increase the flow rate of the cooling seawater to further reduce or increase the pH value to about 7, at the moment, the water in the neutralization chamber 4 is automatically regulated to always keep the pH value within about 7, namely, within a neutral range, therefore, the cooling seawater sequentially passes through a ship door, the first water inlet pipe 6, the special seawater filter 1 for the waste gas desulfurization tower, the second water inlet pipe 7, the cooling seawater pump 2, the third water inlet pipe 8, the seawater cooler 3, the fourth water inlet pipe 9 and the neutralization chamber 4, and is finally discharged through the discharge pipe 11, and the washing sewage discharged through the discharge pipe 11 is all within a dischargeable range, a stop valve 20, a check valve 21 and the neutralizing chamber 4 are added to the original cooling seawater discharging pipe, namely the fourth water inlet pipe, and are connected to the waste gas washing water discharging pipe 10. The capacity of the seawater filter 1 special for the waste gas desulfurization tower, such as a neutralization water pump, a carbon steel pipe, a stop valve and the like, is not required to be increased, and meanwhile, energy and labor can be saved, and energy consumption is reduced.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.
Claims (4)
1. A marine neutralization water system, comprising: the device comprises a special seawater filter (1) for the waste gas desulfurization tower, a cooling seawater pump (2), a seawater cooler (3), a neutralization chamber (4), the waste gas desulfurization tower (5), a first water inlet pipe (6), a second water inlet pipe (7), a third water inlet pipe (8), a fourth water inlet pipe (9), a waste gas washing water discharge pipe (10) and a discharge pipe (11);
the water inlet of the seawater filter (1) special for the waste gas desulfurization tower is communicated with a ship door through a first water inlet pipe (6);
the water outlet of the special seawater filter (1) for the waste gas desulfurization tower is communicated with the water inlet of the cooling seawater pump (2) through a second water inlet pipe (7);
the water outlet of the cooling seawater pump (2) is communicated with the water inlet of the seawater cooler (3) through a third water inlet pipe (8);
a water outlet of the seawater cooler (3) is communicated with the left end of an inner cavity of the neutralization chamber (4) through a fourth water inlet pipe (9);
the water outlet of the waste gas desulfurization tower (5) is communicated with the top of the inner cavity of the neutralization chamber (4) through a waste gas washing water discharge pipe (10);
the inner cavity of the neutralization chamber (4) is communicated with a discharge pipe (11);
the neutralization chamber (4) includes the cabin body (41), the inner chamber of the cabin body (41) is provided with pH valve detector (42), outside PLC controller (a) is connected to the output electricity of pH valve detector (42), the left end and the fourth inlet tube (9) of the cabin body (41) are pegged graft mutually, fourth inlet tube (9) are provided with solenoid valve (43) with cabin body (41) intercommunication department, and outside PLC controller (a) is connected to solenoid valve (43) electricity.
2. A marine neutralization water system according to claim 1, wherein a first valve (12) is provided at the middle end of the connection between the special seawater filter (1) for flue gas desulfurization tower and the first water inlet pipe (6), a second valve (13) is provided at the middle end of the second water inlet pipe (7) between the special seawater filter (1) for flue gas desulfurization tower and the cooling seawater pump (2), and a third valve (14) is provided at the middle end of the third water inlet pipe (8) between the cooling seawater pump (2) and the seawater cooler (3).
3. A neutralizing water system for ships according to claim 1, characterized in that the middle end of the fourth inlet pipe (9) between the seawater cooler (3) and the neutralizing tank (4) is provided with a stop valve (15) and a check valve (16) from left to right.
4. A marine neutralizing water system according to claim 1, wherein said ph detector (42), solenoid valve (43) and external PLC controller are all powered by an external power source.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920951342.XU CN210736379U (en) | 2019-06-24 | 2019-06-24 | Marine neutralization water system |
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| CN201920951342.XU CN210736379U (en) | 2019-06-24 | 2019-06-24 | Marine neutralization water system |
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| CN210736379U true CN210736379U (en) | 2020-06-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113750748A (en) * | 2021-10-19 | 2021-12-07 | 中船黄埔文冲船舶有限公司 | Desulfurization system for ship tail gas |
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2019
- 2019-06-24 CN CN201920951342.XU patent/CN210736379U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113750748A (en) * | 2021-10-19 | 2021-12-07 | 中船黄埔文冲船舶有限公司 | Desulfurization system for ship tail gas |
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