CN210920203U - Methanol fuel flash steam negative pressure driven safe purification and reuse device for ship - Google Patents
Methanol fuel flash steam negative pressure driven safe purification and reuse device for ship Download PDFInfo
- Publication number
- CN210920203U CN210920203U CN201921495126.5U CN201921495126U CN210920203U CN 210920203 U CN210920203 U CN 210920203U CN 201921495126 U CN201921495126 U CN 201921495126U CN 210920203 U CN210920203 U CN 210920203U
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- Prior art keywords
- air inlet
- gas
- normally closed
- normally open
- switch valve
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 238000000746 purification Methods 0.000 title claims abstract description 31
- 239000000446 fuel Substances 0.000 title claims abstract description 29
- 238000002485 combustion reaction Methods 0.000 claims abstract description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000009471 action Effects 0.000 claims abstract description 8
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 239000002828 fuel tank Substances 0.000 claims abstract description 6
- 238000007701 flash-distillation Methods 0.000 claims description 14
- 238000004064 recycling Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 239000002912 waste gas Substances 0.000 abstract description 6
- 230000006378 damage Effects 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000003584 silencer Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004200 deflagration Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
A methanol fuel flash steam negative pressure driving safe purification and reuse device for ships is provided, one side of the side wall of a body is respectively provided with a normally open air inlet and a normally closed air inlet which are connected with the outlet end of a flash steam pipeline of a fuel tank of an internal combustion engine, the other side of the side wall of the body is respectively provided with a normally open air outlet which is corresponding to the normally open air inlet and the normally closed air inlet and is connected with an air inlet of an active carbon purification device for filtering gas, and a normally closed air outlet connected with an air inlet of an air inlet manifold of the internal combustion engine, wherein the air outlet of the active carbon purification device is communicated with the external atmosphere, the end cover is a cap-shaped end cover, the top of the main body is provided with a gas passing port connected with the other gas inlet of the gas inlet manifold, and the main body is internally provided with a switch valve mechanism which opens or closes the normally open gas inlet, the normally closed gas inlet, the normally open gas outlet and the normally closed gas outlet under the action of positive and negative air pressure in the gas inlet manifold. The utility model discloses avoided because directly with waste gas and filth discharge into the water, caused the destruction to ecological environment.
Description
Technical Field
The utility model relates to a boats and ships power machinery safety clean system device. In particular to a marine methanol fuel flash steam negative pressure driven safe purification and reuse device for a marine outboard engine.
Background
At present, the power machinery adopted in domestic ship propulsion systems is still a compression ignition type or ignition type internal combustion engine, outboard engines are also divided into ignition type and compression ignition type, and the outboard engines are the best power source for medium and small ships with high navigational speed.
The outboard engine is a mechanical, electrical and hydraulic integrated ship propulsion system which integrates six systems of an engine, a propeller, a shaft, a speed changer, a suspension bracket and a control bracket into a whole and can be suspended outside a ship body integrally, wherein the six systems are suitable for driving small and medium-sized high-speed ships.
The drainage channel of the outboard engine working waste gas and noise is vertically arranged on the central axis of the outboard engine (see figure 1), and the periphery of the drainage channel is coated by more than 20 parts such as the lower end of the engine cylinder block assembly, the cylinder cover assembly, the exhaust main pipe, the exhaust guide pipe, the exhaust manifold, the panel, the silencer, the expansion cavity, the water surface device shell, the transmission shaft, the gear shifting shaft, the water jacket, the oil tank, the oil pump, the engine oil pipe, the water surface device shell, the water feeding pipe, the sewer pipe, the water pump, the wire harness and the like. The working waste gas and noise of the outboard engine internal combustion engine enter the upper end of the cylinder block assembly with the irregular variable cross section through the nonlinear cylindrical exhaust main pipe, then enter the exhaust manifold of the outboard engine internal combustion engine through the exhaust guide pipe with the irregular variable cross section, pass through the water jacket and the oil groove, pass through the bypass detection port, enter the expansion cavity of the silencer through the panel, and then reach the submerged exhaust pipe through the upper device shell, the tail end of the submerged exhaust pipe is used for transmitting the waste gas with the functions of temperature reduction and noise reduction to the propeller through the gap between the lower device shell and the propeller transmission shaft, and finally the tail gas of the internal combustion engine with the functions of auxiliary propeller lifting part of positive thrust is discharged into water through the water around the propeller, so far, all the tail gas of the internal.
In view of the requirements of safe sailing, energy conservation and environmental protection of ships, the technology of propelling the clean energy of the ships becomes an important link for the safe purification of the ship industry. Especially, the outboard engine which takes the water body as the medium for purifying and reducing the noise directly discharges the waste gas and the dirt into the water body in the work, and the treatment is urgently needed because the damage to the ecological environment is great. The application of renewable clean alternative energy, namely methanol fuel, can play a role in reducing the exhaust pollutant emission of the tail gas of the internal combustion engine, but if the elimination of the harm of directly discharging the flash steam generated in the methanol into the atmosphere is not considered, the safety hazard, the environmental pollution and the energy waste of the flash steam of the methanol fuel to the surrounding environment certainly end up the energy-saving and environment-friendly work of the ship with negative work.
Disclosure of Invention
The utility model aims to solve the technical problem that a marine methanol fuel flash evaporation steam negative pressure driving safety purification and recycling device which is beneficial to safety and environmental protection and comprehensive recycling when methanol fuel flash evaporation steam is exhausted is provided.
The utility model adopts the technical proposal that: the utility model provides a boats and ships are with methyl alcohol fuel flash distillation vapour negative pressure drive safety purification device of recycling, includes the body and sets up end cover on the body front end mouth, be provided with normally open air inlet and the normally closed air inlet that links to each other with the flash distillation vapour pipeline exit end of the fuel-tank of internal-combustion engine on the one side of body lateral wall respectively, be provided with respectively on the opposite side of body lateral wall with normally open air inlet and normally closed air inlet corresponding be used for with carry out the filterable active carbon purifier air inlet of gaseous normally open gas outlet to and the normally closed gas outlet that links to each other with an air inlet of the intake manifold of internal-combustion engine, the gas outlet intercommunication outside atmosphere of active carbon purifier, the end cover is cap form end cover, be provided with at the top with the gas passing mouth that links to each other of another air inlet of intake manifold, And the switch valve mechanisms of the normally open air inlet, the normally closed air inlet, the normally open air outlet and the normally closed air outlet are opened or closed under the action of negative air pressure.
The switch valve mechanism comprises a switch valve and a diaphragm, the periphery of the diaphragm is fixedly connected between the front end port of the body and an end cover, an air pressure cavity is formed between the diaphragm and the end cover, a reset spring is arranged between the diaphragm and the end cover, the middle of the diaphragm is fixedly connected with the front end of the switch valve, and the air pressure cavity generates positive pressure or negative pressure under the positive and negative air pressure action of the air inlet manifold to drive the diaphragm to move back and forth to drive the switch valve to open or close the normally open air inlet, the normally closed air inlet, the normally open air outlet and the normally closed air outlet.
The switch valve including the switch valve body, the front side of switch valve body is connected through the connector of an organic whole formation the middle part of diaphragm, the switch valve body will this internal division of split into preceding positive pressure chamber and back positive pressure chamber, be formed with the intercommunication on the switch valve body preceding positive pressure chamber and the intercommunicating pore in back positive pressure chamber, wherein, normally closed air inlet and normally closed gas outlet correspond back positive pressure chamber, normally open air inlet and normally open gas outlet correspond preceding positive pressure chamber.
The utility model discloses a device is recycled in safe purification of methanol fuel flash distillation vapour negative pressure drive for boats and ships has considered that methanol flash point (12.2 ℃) is less than (boats and ships regulation A60) 2 nd class flammable liquid, and the security is higher than the flash point of petrol (-50 ℃), but is less than the flash point of diesel oil (+60 ℃). Has the following advantages:
1. the utility model discloses save the site operation expense and the man-hour of three explosion-proof type solenoid valve and a large amount of relevant pipelines at least, can practice thrift a large amount of funds and occupy precious under-deck area on the boats and ships less.
2. The utility model discloses save interlocking valve system and equal to shielded because conflagration and the deflagration accident hidden danger that electrical equipment overload, short circuit, open circuit, virtual connecing etc. caused in fuel delivery process, broken through a big obstacle of boats and ships low flash point fuel delivery system safety control.
3. The damage to the ecological environment caused by directly discharging the waste gas and the sewage into the water body is avoided.
Drawings
FIG. 1 is a block diagram showing the construction of a methanol fuel flash vapor negative pressure driven safe purification and reuse apparatus for a ship according to the present invention;
fig. 2 is the internal structure schematic diagram of the methanol fuel flash steam negative pressure driving safety purification recycling device for the ship.
In the drawings
1: a body 2: switch valve
2.1: switch valve body 2.2: connecting body
3: and (3) membrane 4: end cap
5: the return spring 6: air passing port
7: and (4) locking the nut 8: normally open air inlet
9: normally closed intake port 10: normally closed air outlet
11: normally open air outlet 12: air pressure cavity
13: front positive pressure chamber 14: rear positive pressure cavity
15: communication hole 16: intake manifold
17: activated carbon purification device
Detailed Description
The following describes the marine methanol fuel flash steam negative pressure driven safety purification recycling device in detail with reference to the following embodiments and drawings.
As shown in figure 1, the methanol fuel flash steam negative pressure driving safe purification and reuse device for the ship comprises a body 1 and an end cover 4 arranged on the front end port of the body 1, it is characterized in that one side of the side wall of the body 1 is respectively provided with a normally open air inlet 8 and a normally closed air inlet 9 which are connected with the outlet end of a flash steam pipeline of a fuel tank 18 of the internal combustion engine, the other side of the side wall of the body 1 is respectively provided with a normally open air outlet 11 which is corresponding to the normally open air inlet 8 and the normally closed air inlet 9 and is connected with an air inlet of an active carbon purification device 17 for filtering gas, and a normally closed gas outlet 10 connected to one gas inlet 16.1 of an intake manifold 16 of the internal combustion engine, the gas outlet of the activated carbon purification device 17 being communicated with the outside atmosphere, the flash steam generated in the fuel tank 18 and related pipelines is filtered by the activated carbon purification device 17 before being exhausted and then is exhausted to the external atmosphere. The normally closed air outlet 10 of the body 1 is connected with one air inlet 16.1 of the air inlet manifold 16 and is used for guiding flash steam into an air cylinder of the internal combustion engine to participate in work when the internal combustion engine works. The end cover 4 is a cap-shaped end cover, the top of the end cover is provided with a gas passing port 6 connected with the other gas inlet of the gas inlet manifold 16, and the body 1 is internally provided with a switch valve mechanism which opens or closes the normally open gas inlet 8, the normally closed gas inlet 9, the normally open gas outlet 11 and the normally closed gas outlet 10 under the action of positive and negative air pressure in the gas inlet manifold 16.
As shown in fig. 2, the switch valve mechanism includes a switch valve 2 and a diaphragm 3, the periphery of the diaphragm 3 is fixedly connected between the front end port of the body 1 and the end cover 4, an air pressure chamber 12 is formed between the diaphragm 3 and the end cover 4, a return spring 5 is arranged between the diaphragm 3 and the end cover 4, the middle of the diaphragm 3 is fixedly connected with the front end of the switch valve 2 through a lock nut 7, and the air pressure chamber 12 generates positive pressure or negative pressure under the positive and negative air pressure action of the air inlet manifold 16 to drive the diaphragm 3 to move back and forth to drive the switch valve 2 to open or close the normally open air inlet 8, the normally closed air inlet 9, the normally open air outlet 11 and the normally closed air outlet 10.
The switch valve 2 including switch valve body 2.1, switch valve body 2.1's front side is connected through the connector 2.2 of an organic whole formation the middle part of diaphragm 3, switch valve body 2.1 will body 1 in cut apart into preceding positive pressure chamber 13 and back positive pressure chamber 14, be formed with the intercommunication on the switch valve body 2.1 preceding positive pressure chamber 13 and the intercommunicating pore 15 in back positive pressure chamber 14, wherein, normally closed air inlet 9 and normally closed gas outlet 10 correspond back positive pressure chamber 14, normally open air inlet 8 and normally open gas outlet 11 correspond preceding positive pressure chamber 13.
The utility model discloses a marine methanol fuel flash distillation vapour negative pressure drive safety purification recycles device's working process as follows:
the working process of the A path: a way is normally opened when the internal-combustion engine is out of work, the utility model discloses a boats and ships methanol fuel flash distillation vapour negative pressure drive safety purification recycles device (hereinafter for short safety purification recycles device) relies on the internal pressure of the methanol fuel flash distillation gas of fuel tank 18 to open air inlet 8 and open the leading-in active carbon purification device 17 of gas with the flash distillation through A way through normally opening the gas outlet 11, through the flash distillation gas after innocent treatment to purify the evacuation mode and discharge into the atmosphere.
B path working process: when the internal combustion engine does work, the negative pressure driving safety purification and reuse device utilizes the negative pressure generated in the air inlet manifold 16 when the internal combustion engine does work, and the mode of automatically opening the B path is prioritized over the A path, and the methanol fuel flash evaporation gas is switched to the priority combustion reuse mode. The negative pressure driving safe purification recycling device is hermetically connected with an air inlet manifold 16 of the internal combustion engine through a pipeline by a driving air port 6, air in an air pressure cavity 12 of the negative pressure driving safe purification recycling device is extracted by means of negative pressure of an air inlet channel generated when the internal combustion engine works, so that the air pressure cavity 12, a front positive pressure cavity 13 and a rear positive pressure cavity 14 generate pressure difference, the diaphragm 3 generates follow-up displacement towards the air pressure cavity 12 under the action of the pressure difference, and a switch valve 2 integrally connected with the diaphragm 3 is driven to generate synchronous displacement by the follow-up displacement; the working condition of closing the A path and opening the B path is generated. Under the working condition, methanol fuel flash steam with certain pressure is pushed out to an air inlet manifold 16 through a B-path opened normally closed air inlet 9 and a normally closed air outlet 10 through a pipeline, then enters an internal combustion engine cylinder and participates in normal combustion. Once the internal combustion engine stops working, the positive pressure state is recovered in the intake manifold 16, the switch valve 2 is driven by the positive pressure to recover to the initial state that the path A is normally opened and the path B is shielded, and the reset spring 5 assists to push the switch valve.2 to rapidly recover to the initial state that the path A is normally opened and the path B is shielded. The negative pressure displacement function of the negative pressure driving scale safety purification recycling device is utilized to realize the purification and evacuation of the methanol fuel flash steam and the preferential recycling of the work of the internal combustion engine, so that the volatile flash steam can be prevented from polluting the atmosphere firstly, and the flash steam can be fully utilized when the internal combustion engine works, thereby simplifying the process, saving the fund, considering the environmental protection and the safety and meeting the working condition requirements.
The utility model discloses a boats and ships are with methyl alcohol fuel flash distillation vapour negative pressure drive safety purification recycles device utilizes the negative pressure that the manifold of admitting air produced in the air inlet process, and the drive ooff valve carries out the displacement, shields normally open air inlet and normally open gas outlet, opens normally closed air inlet and normally closed gas outlet, realizes that methyl alcohol fuel flash distillation vapour passes through normally open valve at ordinary times and purifies the evacuation through the clarifier; in case the internal-combustion engine does work, the utility model discloses a boats and ships methanol fuel flash distillation vapour negative pressure drive safety purifies recycles device can shield rapidly and normally open the air inlet and normally open the gas outlet, beats normally closed air inlet and normally closed gas outlet, switches over methanol fuel flash distillation gas priority to the leading-in internal-combustion engine cylinder of mode of burning recycling, participates in the acting. The process is simplified, a large number of pipeline valves are saved, a large amount of funds can be saved, and the functions of safety and environmental protection are considered.
Claims (3)
1. The utility model provides a boats and ships are with methyl alcohol fuel flash distillation vapour negative pressure drive safety purification device of recycling, includes body (1) and sets up end cover (4) on body (1) front end mouth, its characterized in that, be provided with respectively on one side of body (1) lateral wall with the flash distillation vapour pipeline exit end of internal-combustion engine's fuel tank (18) continuous normally open air inlet (8) and normally closed air inlet (9), be provided with respectively on the opposite side of body (1) lateral wall with normally open air inlet (8) and normally closed air inlet (9) corresponding be used for with carry out the active carbon purifier (17) air inlet continuous normally open gas outlet (11) that filters to gas to and with an air inlet (16.1) continuous normally closed gas outlet (10) of air intake manifold (16) of internal-combustion engine, the gas outlet intercommunication outside atmosphere of active carbon purifier (17), the end cover (4) is a cap-shaped end cover, the top of the end cover is provided with a gas passing port (6) connected with the other gas inlet of the gas inlet manifold (16), and a switch valve mechanism which is used for opening or closing the normally open gas inlet (8), the normally closed gas inlet (9), the normally open gas outlet (11) and the normally closed gas outlet (10) under the action of positive and negative air pressure in the gas inlet manifold (16) is arranged in the body (1).
2. The marine methanol fuel flash steam negative-pressure-driven safe purification and recycling device according to claim 1, wherein the switch valve mechanism comprises a switch valve (2) and a diaphragm (3), the periphery of the diaphragm (3) is fixedly connected between a front port of the body (1) and an end cover (4), a pneumatic cavity (12) is formed between the diaphragm (3) and the end cover (4), a return spring (5) is arranged between the diaphragm (3) and the end cover (4), the middle of the diaphragm (3) is fixedly connected with the front end of the switch valve (2), and the pneumatic cavity (12) generates positive pressure or negative pressure under the positive and negative air pressure action of the air inlet manifold (16) to drive the diaphragm (3) to move back and forth to drive the switch valve (2) to open or close the normally open air inlet (8), the normally closed air inlet (9), A normally open air outlet (11) and a normally closed air outlet (10).
3. The marine methanol fuel flash steam negative pressure driving safety purification and recycling device according to claim 2, wherein the switch valve (2) comprises a switch valve body (2.1), the front side of the switch valve body (2.1) is connected with the middle part of the diaphragm (3) through an integrally formed connecting body (2.2), the switch valve body (2.1) divides the body (1) into a front positive pressure cavity (13) and a rear positive pressure cavity (14), a communication hole (15) for communicating the front positive pressure cavity (13) with the rear positive pressure cavity (14) is formed in the switch valve body (2.1), the normally closed air inlet (9) and the normally closed air outlet (10) correspond to the rear positive pressure cavity (14), and the normally open air inlet (8) and the normally open air outlet (11) correspond to the front positive pressure cavity (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921495126.5U CN210920203U (en) | 2019-09-06 | 2019-09-06 | Methanol fuel flash steam negative pressure driven safe purification and reuse device for ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921495126.5U CN210920203U (en) | 2019-09-06 | 2019-09-06 | Methanol fuel flash steam negative pressure driven safe purification and reuse device for ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210920203U true CN210920203U (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921495126.5U Withdrawn - After Issue CN210920203U (en) | 2019-09-06 | 2019-09-06 | Methanol fuel flash steam negative pressure driven safe purification and reuse device for ship |
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| Country | Link |
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| CN (1) | CN210920203U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425306A (en) * | 2019-09-06 | 2019-11-08 | 李钢 | Ship methanol fuel flash steam negative pressure drives safety purification reuse means |
-
2019
- 2019-09-06 CN CN201921495126.5U patent/CN210920203U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425306A (en) * | 2019-09-06 | 2019-11-08 | 李钢 | Ship methanol fuel flash steam negative pressure drives safety purification reuse means |
| CN110425306B (en) * | 2019-09-06 | 2024-04-05 | 李钢 | Methanol fuel flash steam negative pressure driving safety purification recycling device for ship |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201230 Address after: No. 603, gate 38, sports college dormitory, North Road, sports college, Hexi District, Tianjin, 300381 Patentee after: Li Gang Patentee after: Kunming shipping administration Patentee after: Tianjin Huanjie Energy Development Co.,Ltd. Address before: No. 603, gate 38, sports college dormitory, North Road, sports college, Hexi District, Tianjin, 300381 Patentee before: Li Gang |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200703 Effective date of abandoning: 20240405 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200703 Effective date of abandoning: 20240405 |