CN210127890U - Tail gas purification device of marine diesel engine - Google Patents

Tail gas purification device of marine diesel engine Download PDF

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Publication number
CN210127890U
CN210127890U CN201920761625.8U CN201920761625U CN210127890U CN 210127890 U CN210127890 U CN 210127890U CN 201920761625 U CN201920761625 U CN 201920761625U CN 210127890 U CN210127890 U CN 210127890U
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China
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ring
purification device
diesel engine
marine diesel
active carbon
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CN201920761625.8U
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Chinese (zh)
Inventor
张海瑞
董奇
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Csic Information Technology Co Ltd
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Csic Information Technology Co Ltd
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Abstract

The utility model relates to a tail gas purification device of a marine diesel engine, which belongs to the catalytic purification technology of engine waste gas and comprises an exhaust pipe and an active carbon purification device; the exhaust pipe comprises a horizontal section and a bending section formed by bending the horizontal section upwards, and a connecting flange connected with an exhaust port of the diesel engine is fixedly installed at the air inlet end of the horizontal section of the exhaust pipe; active carbon purification device installs on the blast pipe horizontal segment, and active carbon purification device includes hollow purification ring, and the both sides of purifying the ring are equipped with the sleeve, and the purification intra-annular is installed the active carbon filter, and the both ends of blast pipe horizontal segment are pegged graft respectively and are being purified the sleeve of ring both sides and through fastener fixed connection. The utility model discloses purifying effect is good, simple structure, easy dismounting.

Description

Tail gas purification device of marine diesel engine
Technical Field
The utility model relates to an engine exhaust gas catalytic purification technique, especially a marine diesel engine tail gas cleanup unit.
Background
At present, diesel engines are widely used in various vehicles, ships and power machines, and can provide powerful power sources for various machines, thereby not only improving the production efficiency, but also reducing the labor intensity. However, the exhaust gas discharged from diesel engines contains a large amount of harmful substances, and if the harmful substances are directly discharged into the air, the harmful substances can cause serious pollution to the environment, and threaten the living environment and the health of people.
The existing measures for controlling the exhaust pollutants are mainly an internal purification measure for improving the combustion process of an engine and an external purification measure for mainly using three-effect catalysis, and the latter converts harmful gases such as CO, HC and NOx in the tail gas of the engine into harmless carbon dioxide, water and nitrogen through oxidation-reduction reaction by using a three-effect catalyst. However, the three-way catalyst has the disadvantages of complex structure, high cost and inconvenient installation and disassembly.
Disclosure of Invention
The utility model aims to solve the technical problem that to prior art not enough, provide a marine diesel engine tail gas cleanup unit of harmful substance in can filtering tail gas, purifying effect is good, can reduce environmental pollution, simple structure, easy dismounting.
The utility model discloses the technical problem that solve is realized through following technical scheme: the utility model relates to a marine diesel engine tail gas cleanup unit, its characteristics are: comprises an exhaust pipe and an active carbon purification device;
the exhaust pipe comprises a horizontal section and a bending section formed by bending the horizontal section upwards, and a connecting flange connected with an exhaust port of the diesel engine is fixedly installed at the air inlet end of the horizontal section of the exhaust pipe;
the active carbon purification device is installed on the blast pipe horizontal segment, and active carbon purification device includes hollow purification ring, and the both sides of purifying the ring are equipped with the sleeve, and the active carbon filter is installed to the purification ring intra-annular, and the both ends of blast pipe horizontal segment are pegged graft respectively and are being purified the sleeve of ring both sides and through fastener fixed connection.
The marine diesel engine exhaust gas purification device further preferably adopts the technical scheme that: the purification ring comprises a cylindrical ring body, two sides of the ring body are connected with side plates with through holes in the middle, and the activated carbon filter plate is arranged in a cavity formed by the ring body and the side plates; the sleeve is of a cylindrical structure and is arranged on the side plates at two sides of the purification ring; the both ends of blast pipe horizontal segment are pegged graft respectively in telescopic inside to carry on spacingly through the curb plate.
The marine diesel engine exhaust gas purification device further preferably adopts the technical scheme that: the top of blast pipe bending segment is equipped with the sunshade, the sunshade passes through connecting rod fixed connection at the end of giving vent to anger of blast pipe bending segment, and the sunshade is towards the one side fixed mounting who gives vent to anger the end has the active carbon adsorption plate.
The marine diesel engine exhaust gas purification device further preferably adopts the technical scheme that: a first groove is formed in the connecting flange, and a first sealing ring is mounted in the first groove; and the contact parts of the two sides of the purification ring and the two ends of the horizontal section of the exhaust pipe are provided with second grooves, and second sealing rings are installed in the second grooves.
The marine diesel engine exhaust gas purification device further preferably adopts the technical scheme that: the inner wall of the bent part of the exhaust pipe is an inclined plane, and the included angle between the inclined plane and the horizontal direction is 55-65 degrees.
The marine diesel engine exhaust gas purification device further preferably adopts the technical scheme that: the outer wall of the bent part of the exhaust pipe is a round angle.
The marine diesel engine exhaust gas purification device further preferably adopts the technical scheme that: the purge ring is made of an aluminum alloy.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model adsorbs harmful substances in the tail gas of the diesel engine through the active carbon purification device, has good tail gas purification effect and effectively reduces the pollution to the environment; meanwhile, the activated carbon purification device consists of a purification ring, sleeves at two sides and an activated carbon filter plate inside, and has simple structure and low cost; the active carbon purification device is fixedly arranged on the horizontal section of the exhaust pipe through a fastener, so that the maintenance and the replacement are convenient.
(2) The utility model discloses a further preferred technical scheme pegs graft inside the sleeve with the both ends of blast pipe horizontal segment, and the filter area of increase tail gas and active carbon filter improves purification efficiency.
(3) The utility model discloses a further preferred technical scheme sets up the activated carbon adsorption board at the end of giving vent to anger of blast pipe bending segment, can carry out the secondary to the harmful substance in the tail gas and adsorb, further strengthens tail gas purification effect.
(4) The utility model discloses a further preferred technical scheme is equipped with the sealing washer in flange and purification ring both sides, has strengthened the sealed effect of device, avoids tail gas to reveal the polluted environment.
(5) The utility model discloses a further preferred technical scheme is for the inclined plane that the angle is suitable with the inner wall design of blast pipe department of buckling, has avoided tail gas to produce the backward flow because of striking blast pipe inner wall effectively, has improved exhaust efficiency.
(6) The utility model discloses a further preferred technical scheme is with the outer wall design of blast pipe department of buckling for the fillet, avoids the sharp-pointed outer wall of blast pipe department of buckling to cause the injury to personnel.
(7) The utility model adopts the further optimized technical proposal that the aluminum alloy is adopted to manufacture the purification ring, thereby having good corrosion resistance and prolonging the service life of the device; on the other hand, the device has smaller density, and is convenient to use, disassemble and assemble.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the purge ring and sleeve;
fig. 3 is a left side schematic view of the purge ring and sleeve.
In the figure: 1-horizontal segment, 2-bending segment, 3-flange, 4-purification ring, 41-ring body, 42-through-hole, 43-curb plate, 5-sleeve, 6-active carbon filter, 7-first recess, 8-first sealing washer, 9-second recess, 10-second sealing washer, 11-sunshade, 12-connecting rod, 13-active carbon adsorption plate.
Detailed Description
The following detailed description of the embodiments of the present invention will be provided in conjunction with the accompanying drawings to facilitate further understanding of the present invention by those skilled in the art, and should not be construed as limiting the scope of the present invention.
Example 1: referring to fig. 1, a marine diesel engine exhaust gas purification apparatus includes an exhaust pipe and an activated carbon purification apparatus; the exhaust pipe comprises a horizontal section 1 and a bending section 2 formed by bending the horizontal section 1 upwards, and a connecting flange 3 connected with an exhaust port of the diesel engine is fixedly installed at the air inlet end of the horizontal section 1 of the exhaust pipe; activated carbon purification device installs on blast pipe horizontal segment 1, and activated carbon purification device includes hollow purification ring 4, and the both sides of purifying ring 4 are equipped with sleeve 5, install activated carbon filter 6 in the purification ring 4, and the both ends of blast pipe horizontal segment 1 are pegged graft respectively on the sleeve 5 of purifying ring 4 both sides and through screw fixed connection.
The working principle of the tail gas purification device of the marine diesel engine is as follows: the exhaust tail gas of diesel engine gas vent gets into the blast pipe from the inlet end of blast pipe horizontal segment 1, and the active carbon filter 6 in the purification ring 4 filters the tail gas that passes through, adsorbs most harmful substance. The purified tail gas is discharged out of the exhaust pipe from the air outlet end of the exhaust pipe bending section 2 and is discharged into the atmosphere.
Example 2: referring to fig. 2 and 3, in the marine diesel engine exhaust gas purification apparatus according to embodiment 1, the purification ring 4 includes a ring body 41 having a cylindrical structure, side plates 43 having through holes 42 formed in the middle are connected to both sides of the ring body 41, and the activated carbon filter plate 6 is installed in a cavity formed by the ring body 41 and the side plates 43; the sleeve 5 is of a cylindrical structure, and the sleeve 5 is arranged on the side plates 43 at two sides of the purification ring 4; the two ends of the exhaust pipe horizontal section 1 are respectively inserted in the sleeve 5 and limited by the side plate 43.
The outer wall at 1 both ends of blast pipe horizontal segment cooperatees with the inner wall of sleeve 5, is convenient for install purification ring 4 on blast pipe horizontal segment 1, has also increased the filter area of tail gas and active carbon filter 6.
Example 3: referring to fig. 1, in the marine diesel engine exhaust gas purification apparatus according to embodiment 1, a shielding plate 11 is disposed above the exhaust pipe bending section 2, the shielding plate 11 is fixedly connected to the gas outlet end of the exhaust pipe bending section 2 through a connecting rod 12, and an activated carbon adsorption plate 13 is fixedly mounted on one surface of the shielding plate 11 facing the gas outlet end.
When tail gas after purification of the activated carbon purification device is discharged from the gas outlet end of the exhaust pipe bending section 2, the secondary adsorption is performed on harmful substances through the activated carbon adsorption plate 13 at the bottom of the impact shielding plate 11. The exhaust gas after the secondary purification flows along the bottom of the shielding plate 11 and is discharged into the atmosphere from two sides of the shielding plate 11.
Example 4: referring to fig. 1, in the marine diesel engine tail gas purification apparatus according to embodiment 1, a first groove 7 is formed in the connecting flange 3, and a first seal ring 8 is installed in the first groove 7; and the contact parts of the two sides of the purification ring 4 and the two ends of the exhaust pipe horizontal section 1 are provided with second grooves 9, and second sealing rings 10 are arranged in the second grooves 9.
The first sealing ring 8 is used for sealing the joint of the exhaust pipe and the exhaust port of the diesel engine, and the second sealing ring 10 is used for sealing the joint of the purification ring 4 and the exhaust pipe horizontal section 1.
Example 5: referring to fig. 1, in the marine diesel engine exhaust gas purification apparatus according to embodiment 1, an inner wall of a bent portion of the exhaust pipe is an inclined surface, and an included angle between the inclined surface and a horizontal direction is 60 °.
The included angle of the inclined plane of the inner wall at the bent part of the exhaust pipe is set to be 60 degrees, so that tail gas can smoothly pass through the bent part when flowing through the bent part, and the inner wall is prevented from being collided to generate backflow.
Example 6: referring to fig. 1, in the marine diesel engine exhaust gas purification apparatus according to embodiment 1, an outer wall of a bent portion of the exhaust pipe is rounded.
The outer wall of blast pipe buckling department is established to the fillet, prevents that the staff from being by the fish tail.
Example 7: in a marine diesel engine exhaust gas purifying apparatus according to embodiment 1, the purifying ring 4 is made of an aluminum alloy.

Claims (7)

1. The utility model provides a marine diesel engine tail gas cleanup unit which characterized in that: comprises an exhaust pipe and an active carbon purification device;
the exhaust pipe comprises a horizontal section and a bending section formed by bending the horizontal section upwards, and a connecting flange connected with an exhaust port of the diesel engine is fixedly installed at the air inlet end of the horizontal section of the exhaust pipe;
the active carbon purification device is installed on the blast pipe horizontal segment, and active carbon purification device includes hollow purification ring, and the both sides of purifying the ring are equipped with the sleeve, and the active carbon filter is installed to the purification ring intra-annular, and the both ends of blast pipe horizontal segment are pegged graft respectively and are being purified the sleeve of ring both sides and through fastener fixed connection.
2. The marine diesel engine exhaust gas purification device according to claim 1, characterized in that: the purification ring comprises a cylindrical ring body, two sides of the ring body are connected with side plates with through holes in the middle, and the activated carbon filter plate is arranged in a cavity formed by the ring body and the side plates; the sleeve is of a cylindrical structure and is arranged on the side plates at two sides of the purification ring; the both ends of blast pipe horizontal segment are pegged graft respectively in telescopic inside to carry on spacingly through the curb plate.
3. The marine diesel engine exhaust gas purification device according to claim 1, characterized in that: the top of blast pipe bending segment is equipped with the sunshade, the sunshade passes through connecting rod fixed connection at the end of giving vent to anger of blast pipe bending segment, and the sunshade is towards the one side fixed mounting who gives vent to anger the end has the active carbon adsorption plate.
4. The marine diesel engine exhaust gas purification device according to claim 1, characterized in that: a first groove is formed in the connecting flange, and a first sealing ring is mounted in the first groove; and the contact parts of the two sides of the purification ring and the two ends of the horizontal section of the exhaust pipe are provided with second grooves, and second sealing rings are installed in the second grooves.
5. The marine diesel engine exhaust gas purification device according to claim 1, characterized in that: the inner wall of the bent part of the exhaust pipe is an inclined plane, and the included angle between the inclined plane and the horizontal direction is 55-65 degrees.
6. The marine diesel engine exhaust gas purification device according to claim 1, characterized in that: the outer wall of the bent part of the exhaust pipe is a round angle.
7. The marine diesel engine exhaust gas purification device according to claim 1, characterized in that: the purge ring is made of an aluminum alloy.
CN201920761625.8U 2019-05-24 2019-05-24 Tail gas purification device of marine diesel engine Active CN210127890U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920761625.8U CN210127890U (en) 2019-05-24 2019-05-24 Tail gas purification device of marine diesel engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920761625.8U CN210127890U (en) 2019-05-24 2019-05-24 Tail gas purification device of marine diesel engine

Publications (1)

Publication Number Publication Date
CN210127890U true CN210127890U (en) 2020-03-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920761625.8U Active CN210127890U (en) 2019-05-24 2019-05-24 Tail gas purification device of marine diesel engine

Country Status (1)

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CN (1) CN210127890U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112483235A (en) * 2020-12-11 2021-03-12 朱建波 Environment-friendly blast pipe for car

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112483235A (en) * 2020-12-11 2021-03-12 朱建波 Environment-friendly blast pipe for car

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