CN209997452U - scrubber for desulfurization and purification of marine exhaust gas - Google Patents
scrubber for desulfurization and purification of marine exhaust gas Download PDFInfo
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- CN209997452U CN209997452U CN201822099918.2U CN201822099918U CN209997452U CN 209997452 U CN209997452 U CN 209997452U CN 201822099918 U CN201822099918 U CN 201822099918U CN 209997452 U CN209997452 U CN 209997452U
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Abstract
The utility model relates to a scrubber technical field, concretely relates to scrubber of marine exhaust gas desulfurization purification includes a jar body, a washing device and a reservoir, the washing device with the reservoir all installs in the inside of jar body, the reservoir is installed the lower part of washing device, jar body includes entry, blast pipe, drain pipe and export, the washing device is fixed body through wide locating piece for at least two sets of baffling boards, desulfurization catalyst board forms desulfurization catalyst layer for metal sheet surface homogeneous spraying layer desulfurization catalyst, the baffling board is that at least two sets of droplet separators pass through locating piece can dismantle the connection and be the body, the droplet separator comprises two at least separation passageways through second locating piece fixed connection.
Description
Technical Field
The utility model relates to a scrubber technical field, concretely relates to kinds of marine scrubber of exhaust gas desulfurization purification.
Background
Desulfurization is a difficult problem in ship exhaust gas pollution control, and the implementation schemes of ship emission control areas in bead triangle, long triangle and Bohai sea (Jingjin Ji) water areas, which are published by the China traffic and transportation department in the year 2015 and are published by the Accessory code VI of (MARPOL 73/78) of the International maritime environmental convention, all have strict requirements on the upper limit of the sulfur limit of the ship exhaust gas which must meet different standards of 0.1% and 0.5%.
At present, the scrubbing desulfurization system (EGCS) for ship exhaust gas is mainly classified into a dry scrubbing desulfurization system and a wet scrubbing desulfurization system. Due to the special requirements of ships, the wet desulfurization system becomes the first choice for washing and desulfurizing the ship waste gas, and almost occupies the whole ship washing and desulfurizing market.
The washing and desulfurizing system for the ship exhaust gas is effective measures for energy conservation and emission reduction of ships, along with the increasing approach of sulfur emission control regulations, the washing and desulfurizing technology for the ship exhaust gas is vigorously developed in all countries in the world, and the washing and desulfurizing technology for the ship exhaust gas, particularly the closed washing and desulfurizing technology, becomes the mainstream of the ship sulfur emission control technology.
With the development of international shipping industry and ocean-going marine transportation, the exhaust gas emissions from ships have become a major source of pollution to the atmosphere in coastal areas, especially ports, global ships emit about 1054 tons of SOx into the atmosphere each year, and ship power plant exhaust gas above the world is generated within 400km from the coast.
In the prior art, the desulfurization effect of the marine exhaust gas scrubber is poor, and the sulfur content in the discharged exhaust gas is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide kinds of marine exhaust gas desulfurization purifications's scrubber, solved the not good problem of marine exhaust gas scrubber's desulfurization effect among the prior art, provide kinds of desulfurization effectual, the liquid gas separation effect is good and the little scrubber of liquid pollution who discharges.
The purpose of the utility model is realized through the following technical scheme:
A scrubber for desulfurization and purification of marine exhaust gas, the scrubber comprises a tank body, a washing device and a liquid storage tank:
the washing device and the liquid storage tank are both arranged in the tank body, and the liquid storage tank is arranged at the lower part of the washing device;
the tank body comprises an inlet, an exhaust pipe, a drain pipe and an outlet, wherein the inlet is arranged at the top end of the tank body, and the outlet is arranged at the bottom end of the tank body; the outlet end of the exhaust pipe is communicated with the tank body, and the inlet end of the exhaust pipe is communicated with the washing device; the outlet end of the drain pipe is communicated with the outlet, and the inlet end of the drain pipe is communicated with the liquid storage tank;
the washing device is characterized in that at least two groups of baffle plates are fixed into bodies through wide positioning blocks, the wide positioning blocks are desulfurization catalyst plates, the desulfurization catalyst plates are metal plates, the surface layers of the metal plates are uniformly sprayed with layers of desulfurization catalysts in a vacuum manner to form desulfurization catalyst layers, the baffle plates are at least two groups of droplet separators which are detachably connected into bodies through positioning blocks, and the droplet separators are composed of at least two separation channels which are fixedly connected through second positioning blocks;
the liquid storage tank is a container with an opening at the upper part, and layers of activated carbon are laid at the bottom of the liquid storage tank.
The scrubber comprises a tank body, a washing device and a liquid storage tank, wherein liquid and gas are separated through desulfurization and liquefaction of the washing device after entering the tank body from an inlet of the tank body, waste gas passes through a desulfurization catalyst plate of the washing device to achieve desulfurization effect, the desulfurized gas is discharged through an exhaust pipe to enable the internal and external pressure difference to be small, the risk in the use process is reduced, liquid enters the liquid storage tank, layers of activated carbon are arranged on the periphery of the liquid storage tank, impurities can be adsorbed and removed, and the discharged liquid is less polluted and is cleaner.
, the tank body further comprises an ash removal port which is arranged on the side wall of the tank body, the horizontal position of the ash removal port is parallel to the horizontal device for washing, and the outlet end of the exhaust pipe is arranged below the ash removal port.
, the inlet of the tank is provided with a valve for opening or closing the inlet and the outlet is provided with a second valve for opening or closing the outlet.
, the vanes are V-shaped vanes, and the two V-shaped vanes form V-shaped separation channels;
the V-shaped blade comprises a V-shaped area and an end part, the V-shaped area is fixedly connected through a second positioning block, and the end part is fixed through a hoop;
v type separation channel passes through second locating piece fixed connection, V type separation channel's width is 23 ~ 25 mm.
preferably, the band is a U-shaped band and the width of the V-shaped separation channel is 23 mm.
The washing device is formed by assembling a plurality of groups of baffle plates, wherein the baffle plates are formed by assembling a plurality of groups of liquid drop separators, the liquid drop separators form a plurality of groups of V-shaped separation channels through a plurality of groups of V-shaped blades, the V-shaped separation channels are vertical to the air flow, the air flow entering from the outlet can uniformly pass through the V-shaped separation channels, the demisting effect and the catalysis duration of the air flow are improved to the greatest extent, the air flow is desulfurized as much as possible, and the sulfur content in the discharged air meets the standard; the small liquid beads in the V-shaped separation channel are gathered on the V-shaped blade to form liquid drops, and the liquid drops slide into the liquid storage tank through gravity and are discharged after being adsorbed by the activated carbon in the liquid storage tank.
, the height of the droplet separator is 190-200 mm, the length is 630-650 mm, and the width is 400-410 mm.
, the locating block and the second locating block are both V-shaped locating blocks, and the locating block and the second locating block can both be tightly attached to the blade.
, the desulfurization catalyst plate is rectangular block-shaped, the height of the desulfurization catalyst plate is 190-200 mm, and the length of the desulfurization catalyst plate is 630-650 mm.
, the desulfurization catalyst layer comprises, by weight, 10-12 parts of aluminum oxide, 5-8 parts of titanium dioxide, 6-8 parts of zinc oxide, 3-5 parts of nickel oxide, 2-3 parts of zirconium oxide, and 3-5 parts of molybdenum dioxide.
, uniformly mixing aluminum oxide, titanium dioxide, zinc oxide, nickel oxide, zirconium oxide and molybdenum dioxide according to the weight part ratio, placing the mixture into a high-temperature calcining furnace to calcine for at least 2 hours at 1000-1200 ℃, wherein the particle size of the calcined powder is 5-38 μm, and then spraying for 5-7 times under the process parameters of 150-200 Pa of vacuum degree, 2000-2200A of working current, 60-65L/min of argon gas flow, 50-55L/min of helium gas flow, 5-6 g/min of powder delivery, 1000-1200 mm of spraying distance and 100-500 μm of spraying thickness to obtain the desulfurization catalyst layer.
The desulfurization catalyst layer is subjected to vacuum spraying after high-temperature calcination in the preparation process, the desulfurization catalyst layer formed by vacuum spraying is not easy to fall off, is high-temperature resistant and corrosion resistant, the service life of the desulfurization catalyst layer is long, and the service life of the washing device is prolonged.
The utility model has the advantages that:
1. the scrubber comprises a tank body, a washing device and a liquid storage tank, wherein the liquid and the gas are desulfurized and liquefied through the washing device after entering the tank body from an inlet of the tank body, so that liquid-gas separation is realized, waste gas passes through a desulfurization catalyst plate of the washing device, so that the desulfurization effect is realized, the desulfurized gas is discharged through an exhaust pipe, so that the internal and external pressure difference is small, and the risk in the use process is reduced;
2. the washing device is formed by assembling a plurality of groups of baffle plates, wherein the baffle plates are formed by assembling a plurality of groups of liquid drop separators, the liquid drop separators form a plurality of groups of V-shaped separation channels through a plurality of groups of V-shaped blades, the V-shaped separation channels are vertical to the air flow, the air flow entering from the outlet can uniformly pass through the V-shaped separation channels, the demisting effect and the catalysis duration of the air flow are improved to the greatest extent, the air flow is desulfurized as much as possible, and the sulfur content in the discharged air meets the standard; small liquid beads in the V-shaped separation channel are gathered on the V-shaped blade to form liquid drops, the liquid drops slide into the liquid storage tank through gravity, and the liquid drops are discharged after being adsorbed by the activated carbon in the liquid storage tank;
3. the desulfurization catalyst layer is subjected to vacuum spraying after high-temperature calcination in the preparation process, the desulfurization catalyst layer formed by vacuum spraying is not easy to fall off, is high-temperature resistant and corrosion resistant, the service life of the desulfurization catalyst layer is long, and the service life of the washing device is prolonged.
Drawings
FIG. 1 is a schematic diagram of a scrubber;
FIG. 2 is a schematic view of a baffle plate;
FIG. 3 is a schematic view of the washing apparatus;
FIG. 4 is a schematic structural view of the shroud;
in the figure:
1-tank body, 2-liquid storage tank, 3-inlet, 4-exhaust pipe, 5-water discharge pipe, 6-outlet, 7-desulfurization catalyst plate, 8- th positioning block, 9-second positioning block, 10-V type separation channel, 11- valve , 12-second valve , 13-U type shroud ring, 14-V type blade and 15-ash removal port.
Detailed Description
The following describes the technical solution of the present invention in detail in steps with reference to the drawings, but the scope of the present invention is not limited to the following description.
As shown in figures 1-4 of the drawings,
A scrubber for desulfurization and purification of marine exhaust gas, which comprises a tank body 1, a washing device and a liquid storage tank 2:
the washing device and the liquid storage tank 2 are both arranged in the tank body 1, and the liquid storage tank 2 is arranged at the lower part of the washing device;
the tank body 1 comprises an inlet 3, an exhaust pipe 4, a drain pipe 5 and an outlet 6, wherein the inlet 3 is arranged at the top end of the tank body 1, and the outlet 6 is arranged at the bottom end of the tank body 1; the outlet end of the exhaust pipe 4 is communicated with the tank body 1, and the inlet end of the exhaust pipe 4 is communicated with the washing device; the outlet end of the drain pipe 5 is communicated with the outlet 6, and the inlet end of the drain pipe 5 is communicated with the liquid storage tank 2;
the washing device is characterized in that at least two groups of baffle plates are fixed into bodies through wide positioning blocks, the wide positioning blocks are desulfurization catalyst plates 7, the desulfurization catalyst plates 7 are desulfurization catalyst layers formed by uniformly vacuum-spraying layers of desulfurization catalysts on the surface layers of metal plates, the baffle plates are at least two groups of droplet separators which are detachably connected into bodies through positioning blocks 8, and the droplet separators are composed of at least two separation channels which are fixedly connected through second positioning blocks 9;
the liquid storage tank 2 is a container with an upper opening, and layers of activated carbon are paved at the bottom of the liquid storage tank 2.
Specifically, the tank body 1 further comprises an ash removal port 15, the ash removal port 15 is arranged on the side wall of the tank body 1, and the horizontal position of the ash removal port 15 is parallel to the horizontal washing device; an outlet end of the exhaust pipe 4 is arranged below the ash removing opening 15.
Specifically, the inlet 3 of the tank 1 is provided with an -th valve 11 for opening or closing the inlet 3, and the outlet 6 is provided with a second valve 12 for opening or closing the outlet 6.
Specifically, the vanes are V-shaped vanes 14, and the two V-shaped vanes 14 form V-shaped separation channels 10;
the V-shaped blade 14 comprises a V-shaped area and an end part, the V-shaped area is fixedly connected through a second positioning block 9, and the end part is fixed through a hoop;
the V-shaped separation channel 10 is fixedly connected through a second positioning block 9.
Specifically, the th positioning block 8 and the second positioning block 9 are both V-shaped positioning blocks, and both the th positioning block 8 and the second positioning block 9 can be tightly attached to the blade.
Specifically, the shroud ring is a U-shaped shroud ring 13.
Specifically, the desulfurization catalyst plate 7 has a rectangular block shape.
Example 1
In the scrubber for desulfurization and purification of marine exhaust gas, the width of the V-shaped separation channel 10 is 23 mm; the droplet separator has a height of 190mm, a length of 630mm and a width of 400 mm; the height of the desulfurization catalyst plate 7 is 190mm, and the length of the desulfurization catalyst plate 7 is 630 mm;
the desulfurization catalyst layer comprises the following components in parts by weight: 10 parts of aluminum oxide, 5 parts of titanium dioxide, 6 parts of zinc oxide, 3 parts of nickel oxide, 2 parts of zirconium oxide and 3 parts of molybdenum dioxide.
The preparation method of the desulfurization catalyst layer comprises the following steps: uniformly mixing aluminum oxide, titanium dioxide, zinc oxide, nickel oxide, zirconium oxide and molybdenum dioxide according to the weight part ratio, putting the mixture into a high-temperature calcining furnace, calcining the mixture for at least 2 hours at 1000 ℃, wherein the particle size of the calcined powder is 5-38 mu m, and then the technological parameters are as follows: spraying for 5 times under the conditions of vacuum degree of 150Pa, working current of 2000A, argon flow of 60L/min, helium flow of 50L/min, powder delivery of 5g/min, spraying distance of 1000mm and spraying thickness of 500 μm to obtain the desulfurization catalyst layer.
The marine exhaust gas sulfur content of example 1 was 0.10%.
Example 2
In the scrubber for desulfurization and purification of marine exhaust gas, the width of the V-shaped separation channel 10 is 25 mm; the droplet separator has a height of 200mm, a length of 650mm and a width of 410 mm; the height of the desulfurization catalyst plate 7 is 200mm, and the length of the desulfurization catalyst plate 7 is 650 mm;
the desulfurization catalyst layer comprises the following components in parts by weight: 12 parts of aluminum oxide, 8 parts of titanium dioxide, 8 parts of zinc oxide, 5 parts of nickel oxide, 3 parts of zirconium oxide and 5 parts of molybdenum dioxide.
The preparation method of the desulfurization catalyst layer comprises the following steps: uniformly mixing aluminum oxide, titanium dioxide, zinc oxide, nickel oxide, zirconium oxide and molybdenum dioxide according to the weight part ratio, putting the mixture into a high-temperature calcining furnace, calcining the mixture for at least 2 hours at 1200 ℃, wherein the particle size of the calcined powder is 5-38 mu m, and then the technological parameters are as follows: spraying for 7 times under the conditions of vacuum degree of 200Pa, working current of 2200A, argon flow of 65L/min, helium flow of 55L/min, powder delivery of 6g/min, spraying distance of 1200mm and spraying thickness of 100 μm to obtain the desulfurization catalyst layer.
The marine exhaust gas sulfur content of example 2 was 0.12%.
Example 3
In the scrubber for desulfurization and purification of marine exhaust gas, the width of the V-shaped separation channel 10 is 23 mm; the droplet separator has a height of 200mm, a length of 640mm and a width of 410 mm; the height of the desulfurization catalyst plate 7 is 200mm, and the length of the desulfurization catalyst plate 7 is 640 mm;
the desulfurization catalyst layer comprises the following components in parts by weight: 11 parts of aluminum oxide, 7 parts of titanium dioxide, 7 parts of zinc oxide, 4 parts of nickel oxide, 3 parts of zirconium oxide and 5 parts of molybdenum dioxide.
The preparation method of the desulfurization catalyst layer comprises the following steps: uniformly mixing aluminum oxide, titanium dioxide, zinc oxide, nickel oxide, zirconium oxide and molybdenum dioxide according to the weight part ratio, putting the mixture into a high-temperature calcining furnace, calcining the mixture for at least 2 hours at 1100 ℃, wherein the particle size of the calcined powder is 5-38 mu m, and then the technological parameters are as follows: spraying for 6 times under the conditions of vacuum degree of 200Pa, working current of 2200A, argon flow of 62L/min, helium flow of 52L/min, powder delivery of 6g/min, spraying distance of 1200mm and spraying thickness of 500 μm to obtain the desulfurization catalyst layer.
The marine exhaust gas sulfur content of example 3 was 0.10%.
Example 4
In the scrubber for desulfurization and purification of marine exhaust gas, the width of the V-shaped separation channel 10 is 24 mm; the droplet separator has a height of 200mm, a length of 640mm and a width of 410 mm; the height of the desulfurization catalyst plate 7 is 200mm, and the length of the desulfurization catalyst plate 7 is 640 mm;
the desulfurization catalyst layer comprises the following components in parts by weight: 11 parts of aluminum oxide, 6 parts of titanium dioxide, 7 parts of zinc oxide, 2 parts of nickel oxide, 3 parts of zirconium oxide and 4 parts of molybdenum dioxide.
The preparation method of the desulfurization catalyst layer comprises the following steps: uniformly mixing aluminum oxide, titanium dioxide, zinc oxide, nickel oxide, zirconium oxide and molybdenum dioxide according to the weight part ratio, putting the mixture into a high-temperature calcining furnace, calcining the mixture for at least 2 hours at 1100 ℃, wherein the particle size of the calcined powder is 5-38 mu m, and then the technological parameters are as follows: spraying for 6 times under the conditions that the vacuum degree is 180Pa, the working current is 2100A, the argon flow is 62L/min, the helium flow is 52L/min, the powder delivery amount is 6g/min, the spraying distance is 1100mm and the spraying thickness is 200 mu m, and thus obtaining the desulfurization catalyst layer.
The marine exhaust gas sulfur content of example 4 was 0.10%.
The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (8)
- The washer for desulfurization and purification of the exhaust gas from the ship of types comprises a tank body (1), a washing device and a liquid storage tank (2), and is characterized in that:the washing device and the liquid storage tank (2) are both arranged in the tank body (1), and the liquid storage tank (2) is arranged at the lower part of the washing device;the tank body (1) comprises an inlet (3), an exhaust pipe (4), a drain pipe (5) and an outlet (6), wherein the inlet (3) is arranged at the top end of the tank body (1), and the outlet (6) is arranged at the bottom end of the tank body (1); the outlet end of the exhaust pipe (4) is communicated with the tank body (1), and the inlet end of the exhaust pipe (4) is communicated with the washing device; the outlet end of the drain pipe (5) is communicated with the outlet (6), and the inlet end of the drain pipe (5) is communicated with the liquid storage tank (2);the washing device is characterized in that at least two groups of baffle plates are fixed into bodies through wide positioning blocks, the wide positioning blocks are desulfurization catalyst plates (7), the desulfurization catalyst plates (7) are desulfurization catalyst layers formed by uniformly and vacuum-spraying layers of desulfurization catalysts on the surface layers of metal plates, the baffle plates are at least two groups of droplet separators which are detachably connected into bodies through positioning blocks (8), each droplet separator consists of at least two separation channels which are fixedly connected through second positioning blocks (9), and the positioning blocks (8) and the second positioning blocks (9) are tightly attached to blades;the liquid storage tank (2) is a container with an opening at the upper part, and layers of activated carbon are laid at the bottom of the liquid storage tank (2).
- 2. The scrubber for desulfurization and purification of marine exhaust gases, according to claim 1, wherein the tank (1) further comprises an ash removal port (15), the ash removal port (15) is disposed on the side wall of the tank (1), the horizontal position of the ash removal port (15) is parallel to the horizontal device for scrubbing, and the outlet end of the exhaust pipe (4) is disposed below the ash removal port (15).
- 3. scrubber for desulphurization and purification of marine exhaust gas according to claim 1 or 2, characterized in that the inlet (3) of the tank (1) is provided with a valve (11) for opening or closing the inlet (3), and the outlet (6) is provided with a second valve (12) for opening or closing the outlet (6).
- 4. The scrubber for desulfurization and purification of marine exhaust gas according to claim 1, wherein the vanes are V-shaped vanes (14), and the V-shaped vanes (14) are stacked to form V-shaped separation channels (10);the V-shaped blade (14) comprises a V-shaped area and an end part, the V-shaped area is fixedly connected through a second positioning block (9), and the end part is fixed through a hoop;v type separation channel (10) are through second locating piece (9) fixed connection, the width of V type separation channel (10) is 23 ~ 25 mm.
- 5. The scrubber for desulfurization and purification of marine exhaust gas according to claim 4, wherein the band is a U-shaped band (13), and the width of the V-shaped separation channel (10) is 23 mm.
- 6. The scrubber for desulfurization and purification of marine exhaust gas according to claim 1, wherein the droplet separator has a height of 190-200 mm, a length of 630-650 mm, and a width of 400-410 mm.
- 7. The scrubber for desulfurization and purification of marine exhaust gas according to claim 1, wherein the locating block (8) and the second locating block (9) are both V-shaped locating blocks.
- 8. The scrubber for desulfurization and purification of marine exhaust gas according to claim 1, wherein the desulfurization catalyst plate (7) has a rectangular block shape, the desulfurization catalyst plate (7) has a height of 190-200 mm, and the desulfurization catalyst plate (7) has a length of 630-650 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822099918.2U CN209997452U (en) | 2018-12-14 | 2018-12-14 | scrubber for desulfurization and purification of marine exhaust gas |
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| CN201822099918.2U CN209997452U (en) | 2018-12-14 | 2018-12-14 | scrubber for desulfurization and purification of marine exhaust gas |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109364752A (en) * | 2018-12-14 | 2019-02-22 | 江苏锐华化工装备股份有限公司 | A kind of washer of exhuast gas desulfurization purification peculiar to vessel |
| CN116639661A (en) * | 2023-06-20 | 2023-08-25 | 襄阳先天下环保设备有限公司 | Super active carbon desulfurization sulfuric acid preparation device and application method thereof |
-
2018
- 2018-12-14 CN CN201822099918.2U patent/CN209997452U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109364752A (en) * | 2018-12-14 | 2019-02-22 | 江苏锐华化工装备股份有限公司 | A kind of washer of exhuast gas desulfurization purification peculiar to vessel |
| CN116639661A (en) * | 2023-06-20 | 2023-08-25 | 襄阳先天下环保设备有限公司 | Super active carbon desulfurization sulfuric acid preparation device and application method thereof |
| CN116639661B (en) * | 2023-06-20 | 2024-05-28 | 襄阳先天下环保设备有限公司 | Super active carbon desulfurization sulfuric acid preparation device and application method thereof |
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