CN212068319U - Desulfurizing tower and desulfurization system for ship tail gas treatment - Google Patents
Desulfurizing tower and desulfurization system for ship tail gas treatment Download PDFInfo
- Publication number
- CN212068319U CN212068319U CN201922457551.1U CN201922457551U CN212068319U CN 212068319 U CN212068319 U CN 212068319U CN 201922457551 U CN201922457551 U CN 201922457551U CN 212068319 U CN212068319 U CN 212068319U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- tower
- sea water
- desulfurization
- desulfurizing tower
- 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.)
- Active
Links
Images
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a desulfurizing tower for ship tail gas treatment, including the tower body, be provided with air inlet, gas outlet and sea water inlet on the tower body, be provided with a set of flue gas whirl device and spray set at least in the tower body, the air inlet is connected with the flue gas distribution device, and the flue gas whirl device sets up in the top of flue gas distribution device, and spray set sets up in the top of flue gas whirl device, and spray set is connected with the sea water inlet. The utility model discloses still disclose a desulfurization system, the utility model discloses a set up multistage flue gas whirl device and spray set, the flue gas is followed flue gas whirl device, forms after the process and is the rotatory even flue gas air current that rises, and then makes the flue gas distribute evenly, and the area of contact and the contact time of the sea water that increases and spray set sprayed, makes the desulfurization reaction more abundant. And simultaneously, most of ash generated by the flue gas can be washed away at the same time, the size of the desulfurizing tower is reduced, the consumption of seawater is reduced, and the installation space of the desulfurizing tower is saved.
Description
Technical Field
The utility model belongs to the technical field of ship tail gas treatment, concretely relates to desulfurizing tower and desulfurization system for ship tail gas treatment.
Background
The marine diesel engine burns inferior heavy oil, so that the pollutant components in the released tail gas are complex, and the ecological environment is seriously influenced. The seawater desulfurization mode is usually adopted at sea, the flue gas generated by combustion is subjected to dust removal treatment before the seawater desulfurization operation, and a high-efficiency fiber or electrostatic dust remover is generally adopted and is arranged at the upstream of an SO2 absorption tower. The flue gas after dust removal enters the bottom of the SO2 absorption tower and flows through the bottom of the absorption tower opposite to the seawater from top to bottom, and the flue gas is circulated for the first time. The clean flue gas from the absorber tower is typically reheated prior to discharge to prevent corrosion and to ensure adequate lift height. Absorption of SO2The seawater flows to a seawater treatment plant by gravity, is mixed with the rest seawater and is introduced into a proper amountAir. The desulfurizing tower of the current ship desulfurizing device basically adopts an axial reactor form, is limited by a ship installation space, has small equipment volume and is limited by flooding, reaction time and the like, and the diameter and the height of the tower cannot be too small, thereby forming a pair of contradictions. In order to ensure that the requirements of flooding and sulfur oxide removal rate do not occur, only equipment with larger volume can be adopted to meet the relevant requirements, but the equipment is limited by the space of the ship.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem: the size of the desulfurizing tower is reduced, and the desulfurizing reaction time is prolonged, so that the desulfurizing capacity of the desulfurizing tower is improved.
The technical scheme is as follows: in order to solve the technical problem, the utility model discloses a technical scheme as follows:
the utility model provides a desulfurizing tower for boats and ships tail gas treatment, includes the tower body be provided with air inlet, gas outlet and sea water inlet on the tower body be provided with a set of flue gas whirl device and spray set in the tower body at least, the air inlet is connected with the flue gas distribution device, the flue gas whirl device sets up the top at the flue gas distribution device, spray set sets up the top at the flue gas whirl device, spray set is connected with the sea water inlet.
Preferably, the flue gas cyclone device comprises a plurality of mounting pipes which are coaxially arranged, a cyclone plate combination distributed around the circumference is arranged between every two adjacent mounting pipes, and the cyclone plate combination is at least provided with two rings.
Preferably, the swirl plate assembly comprises a plurality of swirl plates uniformly distributed on the circumference, and the rotation direction of each swirl plate is consistent.
Preferably, the whirl plate is spirally curved, and an included angle alpha between the bottom end tangential direction of the whirl plate and the horizontal direction is 50-75 degrees.
Preferably, the outermost mounting tube is fixed to the inner wall of the tower body, and the innermost mounting tube is coaxial with the tower body.
Preferably, at least 4 swirl plates are arranged in each ring, and the number of the swirl plates in the outer ring is more than that of the swirl plates in the inner ring.
Preferably, the spraying device comprises a spraying pipeline with a distributed circle center, a nozzle is arranged on the spraying pipeline, and the inclination direction of the nozzle is opposite to the rotational flow direction of the rotational flow plate.
Preferably, the flue gas distribution device comprises at least three flue gas distribution boxes and a flue gas distribution pipe which is separately connected with the flue gas distribution boxes, the flue gas distribution pipe is communicated with the air inlet, the periphery and the bottom of the flue gas distribution boxes are sealed, and the upper end face of the flue gas distribution boxes is provided with a pore plate.
Utilize above-mentioned desulfurization system of desulfurizing tower for ship tail gas treatment, including sea water tank, sea water pump unit, desulfurizing tower, grey water let-off pipe and purification waste gas eduction gear, sea water pump unit one end is connected the sea water tank, and the sea water inlet of other end intercommunication desulfurizing tower, grey water let-off pipe and the bottom intercommunication of desulfurizing tower, purification waste gas eduction gear includes exhaust fan and the chimney with the gas outlet intercommunication at desulfurizing tower top.
Preferably, a water quality analyzing unit is provided on the grey water discharge pipe, and an exhaust gas analyzer is provided between the exhaust fan and the chimney.
Has the advantages that: compared with the prior art, the utility model has the advantages of it is following:
the utility model discloses a set up multistage flue gas whirl device and spray set, the flue gas forms the even flue gas air current that is rotatory rising from flue gas whirl device after, and then makes the flue gas distribute evenly, and increases area of contact and the contact time of the sea water that sprays with spray set, makes desulfurization reaction more abundant. And simultaneously, most of ash generated by the flue gas can be washed away at the same time, the size of the desulfurizing tower is reduced, the consumption of seawater is reduced, and the installation space of the desulfurizing tower is saved.
Drawings
FIG. 1 is a schematic view of a desulfurization tower for treating marine exhaust gas;
FIG. 2 is a schematic structural diagram of a flue gas cyclone device of a desulfurizing tower for treating ship tail gas;
FIG. 3 is a top view of a flue gas cyclone device of a desulfurizing tower for treating ship tail gas;
FIG. 4 is a schematic structural diagram of a flue gas distribution device of a desulfurization tower for treating ship tail gas;
FIG. 5 is a top view of a flue gas distribution device of a desulfurization tower for treating ship tail gas;
fig. 6 is a schematic structural view of a spray device of a desulfurization tower for treating marine exhaust gas.
Detailed Description
The present invention will be further clarified by the following embodiments, which are implemented on the premise of the technical solution of the present invention, and it should be understood that these embodiments are only used for explaining the present invention and are not used for limiting the scope of the present invention.
The desulfurizing tower for ship tail gas treatment of this embodiment, including tower body 1, be provided with air inlet 2 at 1 lower extreme of tower body, air inlet 2 communicates with the exhaust-gas discharge mouth of the host computer of boats and ships and vice auxiliary engine, be provided with gas outlet 3 in the tower body upper end, side at the tower body sets up a plurality of sea water inlets 4, be provided with a set of flue gas whirl device 5 and spray set 6 in tower body 1 at least, air inlet 2 is connected with flue gas distribution device 7, flue gas whirl device 5 sets up the top at flue gas distribution device 7, spray set 6 sets up the top at flue gas whirl device 5, spray set 6 is connected with sea water inlet 4.
Flue gas swirl device 5 includes a plurality of installation pipes 51 that set up with the axle center, is provided with the whirl board combination around the circumference distributes between two adjacent installation pipes 51, and the whirl board combination is provided with two rings at least, is provided with 3 rings in this embodiment. The swirl plate 52 assembly comprises a plurality of swirl plates 52 uniformly distributed on the circumference, and the rotation direction of each swirl plate 52 is consistent. The swirling plate 52 is a spiral curved surface, and similar to a fan blade, an included angle α between a bottom end tangential direction of the swirling plate 52 and a horizontal direction is 50 ° to 80 °, and is preferably set to 65 °.
The outermost ring of the mounting pipe 51 is fixed on the inner wall of the tower body 1 through bolts or welding, and the innermost ring of the mounting pipe 51 is coaxial with the tower body 1. The mounting tubes are connected by swirl plates 52. The guide plate may be disposed or not disposed in the innermost mounting pipe 51, and is determined according to the inner size of the desulfurization tower.
The number of the swirl plates 52 of each ring is at least 4, and the number of the swirl plates 52 of the outer ring is more than that of the swirl plates 52 of the inner ring. In this embodiment, do not set up whirl board 52 in the installation pipe 51 of inner circle, the whirl board combination of inner circle is provided with 4 whirl boards 52, and middle round whirl board combination is provided with 6 whirl boards 52, and the whirl board combination of outer circle is provided with 10 whirl boards, and the whirl board crisscross setting of adjacent two circles. The flue gas forms the even flue gas air current that is rotatory ascending from flue gas whirl device after, and then makes the flue gas distribute evenly, and increases the area of contact and the contact time with the sea water that spray set sprayed, makes desulfurization reaction more abundant.
The spraying device 6 comprises a spraying pipeline 61 with a distributed circle center, a nozzle 62 is arranged on the spraying pipeline 61, and in order to further increase the contact area between the seawater and the flue gas, the inclination direction of the nozzle 62 is opposite to the rotational flow direction of the rotational flow plate 52. So that the two come into contact with each other in the fastest time. The flue gas and the washing water in the desulfurizing tower can have the longest reaction time and the most efficient reaction result, and most of ash generated by the flue gas can be washed away at the same time.
In order to make the even flue gas whirl device 5 that gets into of flue gas from the air inlet entering tower body, the utility model discloses set up flue gas distribution device, flue gas distribution device 7 includes at least three flue gas distribution box 71 and with flue gas distribution box 71 be connected alone flue gas distribution pipe 72, flue gas distribution pipe 72 all communicates with air inlet 2, seals with the bottom around flue gas distribution box 71, and the up end is provided with orifice plate 73, and flue gas distribution pipe 72 is connected with flue gas distribution box 71's bottom.
The utility model also discloses an utilize desulfurization system of above-mentioned marine exhaust gas treatment with desulfurizing tower, including sea water tank 8, sea water pump unit 9, the desulfurizing tower, grey water let-off pipe 10 and purification exhaust gas discharging device, sea water tank 8 is connected to 9 one end of sea water pump unit, and 9 front ends of sea water pump unit set up the pre-pump filter, and the sea water inlet 4 of other end intercommunication desulfurizing tower, grey water let-off pipe 10 and the bottom intercommunication of desulfurizing tower purify exhaust gas discharging device include with exhaust fan 11 and chimney 12 of the 3 intercommunications in gas outlet at desulfurizing tower top.
The substandard liquid mixture processed in the desulfurizing tower is discharged through a grey water discharging device, a water quality analysis unit 13 is arranged on a grey water discharging pipe 10, the water quality analysis unit 13 mainly analyzes the PH value, the turbidity and the content of Polycyclic Aromatic Hydrocarbon (PAH) of the discharged seawater, a discharged gas analyzer 14 is arranged between an exhaust fan 11 and a chimney 12 to detect the pollutant content of the purified gas and mainly detect the content of oxysulfide and oxynitride, thereby ensuring that the discharged purified gas is up to the standard. The two reach the purification degree of the gas of the exhaust gas on the ship of the monitoring together.
The seawater is pumped from the seawater tank by two seawater pumps and reaches the upper space of the desulfurizing tower through a pre-pump filter and a necessary adjusting butterfly valve (a pressure gauge before and after the pump displays the normal working pressure value of the seawater pump), the seawater and the waste gas discharged by a main engine/auxiliary engine form convection mixing vortex treatment through the lower space of the desulfurizing tower, clean air is discharged to the atmosphere from a pipeline at the upper part of a tower body, liquid mixture which does not reach the standard is discharged to a corresponding collecting cabinet through a lower ash water discharging pipeline, and the clean water is discharged to a ship, so that the volume of the desulfurizing tower is reduced, and the consumption of the seawater is reduced.
When boats and ships use low sulfur fuel, the utility model discloses use ordinary sea water to carry out desulfurization behind the low sulfur fuel burning, ordinary sea water desulfurization method utilizes the natural alkaline composition of sea water to come the acid gas composition in the neutralization tail gas to reach and get rid of harmful gas composition purpose. However, the common seawater has poor treatment effect on the high-sulfur fuel oil tail gas because the seawater has low dissolving and adsorbing capacity to SO2 and NO, especially to NO which is difficult to dissolve in water. When boats and ships use high sulfur fuel, the utility model discloses inferior desulfurization is carried out with modified seawater method, utilizes the electro-catalysis method to modify natural seawater earlier, changes the pH of seawater, strengthens the ability of getting rid of seawater to the harmful ingredient of tail gas. For example, seawater is electrolyzed to generate an alkaline sodium hydroxide solution, and compared with straight seawater washing, the effect of purifying the tail gas by using the sodium hydroxide solution as a washing agent is better.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a desulfurizing tower for boats and ships tail gas treatment which characterized in that: including tower body (1) be provided with air inlet (2), gas outlet (3) and sea water inlet (4) on tower body (1) be provided with a set of flue gas whirl device (5) and spray set (6) in tower body (1) at least, air inlet (2) are connected with flue gas distribution device (7), flue gas whirl device (5) set up the top at flue gas distribution device (7), spray set (6) set up the top at flue gas whirl device (5), spray set (6) are connected with sea water inlet (4).
2. The desulfurization tower for treating marine exhaust gas according to claim 1, characterized in that: flue gas swirl device (5) are provided with the whirl board combination that distributes around the circumference including a plurality of installation pipes (51) that set up with the axle center between two adjacent installation pipes (51), whirl board combination is provided with two rings at least.
3. The desulfurization tower for treating marine exhaust gas according to claim 2, characterized in that: the swirl plate (52) combination comprises a plurality of swirl plates (52) which are uniformly distributed on the circumference, and the rotating direction of each swirl plate (52) is consistent.
4. The desulfurization tower for treating marine exhaust gas according to claim 3, characterized in that: the swirl plate (52) is in a spiral curved surface shape, and an included angle alpha between the tangential direction of the bottom end of the swirl plate (52) and the horizontal direction is 50-75 degrees.
5. The desulfurization tower for treating marine exhaust gas according to claim 2, characterized in that: the outermost ring of the mounting pipe (51) is fixed on the inner wall of the tower body (1), and the innermost ring of the mounting pipe (51) is coaxial with the tower body (1).
6. The desulfurization tower for treating marine exhaust gas according to claim 2, characterized in that: at least 4 swirl plates (52) are arranged in each ring, and the number of the swirl plates (52) in the outer ring is more than that of the swirl plates (52) in the inner ring.
7. The desulfurization tower for treating marine exhaust gas according to claim 3, characterized in that: the spraying device (6) comprises a spraying pipeline (61) with a distributed circle center, a nozzle (62) is arranged on the spraying pipeline (61), and the inclination direction of the nozzle (62) is opposite to the rotational flow direction of the rotational flow plate (52).
8. The desulfurization tower for treating marine exhaust gas according to claim 1, characterized in that: flue gas distribution device (7) include at least three flue gas distribution case (71) and flue gas distribution pipe (72) be connected alone with flue gas distribution case (71), flue gas distribution pipe (72) all communicate with air inlet (2) seal with the bottom around flue gas distribution case (71), and the up end is provided with orifice plate (73).
9. The desulfurization system using the desulfurization tower for treating marine exhaust gas according to any one of claims 1 to 8, characterized in that: including sea water tank (8), sea water pump unit (9), desulfurizing tower, grey water let-off pipe (10) and purification exhaust emission device, sea water tank (8) are connected to sea water pump unit (9) one end, and sea water inlet (4) of other end intercommunication desulfurizing tower, grey water let-off pipe (10) and the bottom of desulfurizing tower intercommunication, purification exhaust emission device includes exhaust fan (11) and chimney (12) with gas outlet (3) intercommunication at desulfurizing tower top.
10. The desulfurization system using the desulfurization tower for ship exhaust gas treatment according to claim 9, characterized in that: a water quality analysis unit (13) is arranged on the grey water discharge pipe (10), and an exhaust gas analyzer (14) is arranged between the exhaust fan (11) and the chimney (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922457551.1U CN212068319U (en) | 2019-12-30 | 2019-12-30 | Desulfurizing tower and desulfurization system for ship tail gas treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922457551.1U CN212068319U (en) | 2019-12-30 | 2019-12-30 | Desulfurizing tower and desulfurization system for ship tail gas treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212068319U true CN212068319U (en) | 2020-12-04 |
Family
ID=73565542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922457551.1U Active CN212068319U (en) | 2019-12-30 | 2019-12-30 | Desulfurizing tower and desulfurization system for ship tail gas treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212068319U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113617130A (en) * | 2021-08-06 | 2021-11-09 | 广东凯达环保科技有限公司 | Purifier for pretreatment of industrial flue gas and waste gas |
| CN116688687A (en) * | 2023-07-21 | 2023-09-05 | 浙江浙能迈领环境科技有限公司 | Flue gas desulfurization dust collector suitable for on boats and ships |
-
2019
- 2019-12-30 CN CN201922457551.1U patent/CN212068319U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113617130A (en) * | 2021-08-06 | 2021-11-09 | 广东凯达环保科技有限公司 | Purifier for pretreatment of industrial flue gas and waste gas |
| CN113617130B (en) * | 2021-08-06 | 2022-03-11 | 广东凯达环保科技有限公司 | Purifier for pretreatment of industrial flue gas and waste gas |
| CN116688687A (en) * | 2023-07-21 | 2023-09-05 | 浙江浙能迈领环境科技有限公司 | Flue gas desulfurization dust collector suitable for on boats and ships |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111036064A (en) | Desulfurizing tower and desulfurization system for ship tail gas treatment | |
| CN212068319U (en) | Desulfurizing tower and desulfurization system for ship tail gas treatment | |
| CN108671723B (en) | Ultrasonic synchronous desulfurization and dust removal integrated device | |
| CN109234483B (en) | Blast furnace gas comprehensive treatment recovery device | |
| CN108939755B (en) | Ship tail gas desulfurization device | |
| CN107321094A (en) | A kind of small-sized scattered coal burning boiler coal smoke cleaning system | |
| CN2784762Y (en) | Flue-gas desulfurization device for thermal power plant | |
| CN210993724U (en) | Novel flue gas desulfurization dusting tower | |
| CN107998865A (en) | A kind of flue-gas dust-removing and desulfurization cleaning system | |
| CN108187472A (en) | The flue gas desulfurization and dedusting equipment that a kind of rotary meshed plate slows down | |
| CN204338011U (en) | Moisture film desulfuration spray tower | |
| CN110141956A (en) | A kind of scrubbing tower | |
| CN203253334U (en) | Exhaust gas purifying system in rubber processing field | |
| CN108671734A (en) | A kind of environment-friendly highly efficient purification soda acid exhaust gas washing tower and its working method | |
| CN110559837A (en) | Flue gas desulfurization tower and flue gas desulfurization and wastewater treatment process | |
| CN202715350U (en) | Wet desulfurization adsorption tower with multi-effect turbulence system | |
| CN203816498U (en) | Vortex type purifying column | |
| CN108295585A (en) | Coal-burning boiler flue dust stirs clarifier | |
| CN101934193B (en) | Waste gas purification device | |
| CN217410334U (en) | Carbon calcining furnace flue gas treatment system | |
| CN210543805U (en) | Coal-fired flue gas SO3Aerosol removal system | |
| CN201030287Y (en) | Cyclone boiler flue gas desulfurization dust cleaning apparatus | |
| CN212369932U (en) | Improved high-efficiency flue gas desulfurization tower | |
| CN211462646U (en) | Novel desulfurizing tower | |
| CN209679870U (en) | A kind of system for desulfuration and denitration |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |