CN116733571A - Respirator of diesel engine - Google Patents
Respirator of diesel engine Download PDFInfo
- Publication number
- CN116733571A CN116733571A CN202310714522.7A CN202310714522A CN116733571A CN 116733571 A CN116733571 A CN 116733571A CN 202310714522 A CN202310714522 A CN 202310714522A CN 116733571 A CN116733571 A CN 116733571A
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- oil
- water
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- gas
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- 239000000498 cooling water Substances 0.000 claims abstract description 23
- 238000001816 cooling Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 98
- 238000002955 isolation Methods 0.000 claims description 39
- 238000005192 partition Methods 0.000 claims description 36
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000009833 condensation Methods 0.000 abstract description 23
- 230000005494 condensation Effects 0.000 abstract description 23
- 239000003921 oil Substances 0.000 description 138
- 239000007789 gas Substances 0.000 description 97
- 230000000694 effects Effects 0.000 description 14
- 239000010705 motor oil Substances 0.000 description 14
- 229910000831 Steel Inorganic materials 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000005484 gravity Effects 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010710 diesel engine oil Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
- F28B1/02—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using water or other liquid as the cooling medium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M2013/0411—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil using cooling means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M2013/0438—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with a filter
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M2013/0461—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with a labyrinth
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
A diesel engine breather comprises a diesel engine air inlet pipe, a crankcase and a connecting pipe; the connecting pipe is divided into two sections, namely an A connecting pipe and a B connecting pipe; the upper end of the connecting pipe A is communicated with the air inlet pipe, and the lower end of the connecting pipe A is communicated with the air outlet of the oil-gas condensing device; the upper end of the connecting pipe B is communicated with an air inlet and oil return port of the oil-gas condensing device, and the lower end of the connecting pipe B is communicated with the crankcase; the oil-gas condensing device is a water-cooling heat exchanger and is provided with a cooling water inlet and a cooling water outlet. The oil gas in the crankcase is introduced into the oil gas condensing device through the connecting pipe B, and after being condensed by the oil gas condensing device, on one hand, hot oil gas is cooled, the maximum oil gas quantity which can be contained in the gas is reduced, and on the other hand, the temperature is reduced, so that the kinetic energy of the oil gas is reduced; thereby the supersaturated oil gas generates more oil condensation, and the gas and the oil in the oil gas are separated by labyrinth cooling. Not only eliminates the pollution of crankcase gas to the environment, but also reduces the oil consumption rate of the diesel engine.
Description
The application relates to a divisional application of patent application with the application number of 2022102948234, the application date of 2022, 03 and 24, and the application name of 'a diesel engine respirator'.
Technical Field
The application relates to a diesel engine respirator, in particular to a breathing device of a crank case of a totally-enclosed lifeboat diesel engine, and belongs to the technical field of diesel engine safety and environmental protection.
Background
In the working process of the diesel engine, the pressure in the crankcase is higher and higher under the accumulation of time due to the gas generated by the air leakage of the side gap between the piston and the cylinder body, the stirring of lubricating oil by the moving part, the high-temperature evaporation of the lubricating oil and the like, and even the explosion of the crankcase can be caused in extreme cases if the crankcase cannot be discharged in time, so that the crankcase of the diesel engine has to have a breathing function to the outside, and the internal air pressure and the external atmospheric pressure of the crankcase of the diesel engine are kept balanced.
At present, diesel engine crankcase respirators are divided into two types according to emission modes, one type is that gas in a diesel engine crankcase is directly discharged into the atmosphere, such as: patent number: 201720717497.8, name: the breather of a diesel engine and diesel engine, this breather is the gas in the crankcase, after filtering through the filter filling 70 (namely the steel wire filter screen) that the filter mouth sets up of giving vent to anger, because the filter mouth volume of giving vent to anger of breather is less, and set up by the machine, need bear the machine side thermal radiation of diesel engine, therefore, this breather gives vent to anger the filter mouth radiating effect relatively poor, and oil gas passes through the steel wire filter screen for a long time in addition, make the temperature of steel wire filter screen constantly rise, and the oil gas temperature in the crankcase is constantly approaching, that is, the air current is when passing through the steel wire filter screen, its kinetic energy loss is very little, thereby lead to the oil condensing effect of steel wire filter screen poor, the engine oil of most in the oil gas still is discharged into the atmosphere with gas together, not only make the engine oil loss of diesel engine great, but also pollute the environment.
The other respirator is that the gas in the crankcase of the diesel engine is discharged into the air inlet pipe of the diesel engine through a pipeline after being condensed with oil through the labyrinth of the air inlet, and the oil gas enters the combustion chamber from the air inlet pipe for combustion and is discharged into the atmosphere; such as patent number: 201410128214.7, name: 360 degree flip lifeboat diesel engine auxiliary respirator; the air inlet of the respirator is arranged in the gear chamber, a labyrinth is arranged at the air inlet, and engine oil in the oil gas is separated through the labyrinth; in fact, the oil condensation and pollution reduction effects are also poor, and because the air inlet labyrinth is arranged in the gear chamber of the diesel engine and is communicated with the crankcase, the oil gas temperature in the labyrinth is the same as the oil gas temperature in the crankcase; in the same high-temperature environment, the kinetic energy loss of the oil gas passing through the labyrinth is small, so that the effect of coagulating oil drops in the labyrinth is poor; in addition, the grids in the maze are arranged up and down, and oil return holes (422A) are formed in the bottom of the lower grid for oil return; if the oil return hole (422A) is too small, the oil return is not smooth, oil condensation and splashing of engine oil in the gear chamber can cause the lower grille to be full of engine oil over time, the air path is blocked, and the respirator is disabled; if the oil return hole (422A) is too large, the oil gas passes through the oil return hole (422A) and is smaller than the labyrinth resistance, and the oil gas part in the crankcase is possibly discharged from the oil return hole (422A) directly without passing through the labyrinth, so that the labyrinth oil condensation effect is further deteriorated, high-temperature oil gas enters the air inlet pipe through the pipeline, and the molecular kinetic energy of the high-temperature gas is large, and the gas expands, so that the number of moles of oxygen molecules in the unit volume of the air inlet pipe is reduced compared with that at normal temperature, and the air inlet oxygen content of a diesel engine cylinder is influenced; however, under the standard air pressure and temperature, the air inflow of the cylinder and the oil supply amount of the combustion chamber are optimally matched, if the oxygen content of the air in the cylinder is reduced, and meanwhile, the engine oil in the oil gas is increased, the combustion chamber of the diesel engine is inevitably insufficient in burning the mixture of diesel engine and engine oil, so that the emission of the diesel engine is influenced, the pollution to the environment is increased, and meanwhile, the engine oil consumption of the diesel engine is increased.
In summary, in the existing diesel engine breather, in the process of exhausting oil gas from a crankcase, engine oil in the oil gas cannot be effectively separated, so that the engine oil consumption of the diesel engine is reduced, and the pollution to the environment is overcome.
Disclosure of Invention
The application aims to overcome the defects that the prior diesel engine respirator can not effectively separate engine oil in oil gas well in the process of exhausting the oil gas in a crankcase, and reduce emission; according to the application, the breather air outlet filtering device is arranged at the air inlet port of the crankcase of the diesel engine breather, and the filtered gas is sent to the oil gas condensing device again to condense and separate oil gas, so that clean emission is realized.
The application is realized by the following technical scheme.
A diesel engine breather comprises a diesel engine air inlet pipe, a crankcase and a connecting pipe; the method is characterized in that: the connecting pipe is divided into two sections, namely an A connecting pipe and a B connecting pipe; the upper end of the connecting pipe A is communicated with the air inlet pipe, and the lower end of the connecting pipe A is communicated with the air outlet of the oil-gas condensing device; the upper end of the connecting pipe B is communicated with an air inlet and oil return port of the oil-gas condensing device, and the lower end of the connecting pipe B is communicated with the crankcase; the oil-gas condensing device is a water-cooling heat exchanger and is provided with a cooling water inlet and a cooling water outlet.
The object of the present application can be further achieved by the following technical solutions.
The lower end of the connecting pipe B is communicated with the crankcase, and an oil condensing net cover is arranged at the communicating opening.
Above-mentioned oil gas condensing equipment is equipped with labyrinth cooling water pipeline to and can pass the gas circuit passageway of cooling water pipeline, and be equipped with inlet oil return opening and gas outlet.
Above-mentioned oil gas condensing equipment contains: the left end cover, the left isolation plate, the body, the right isolation plate and the right end cover are fixedly connected to the body in sequence; the body is a letter hole and is transparent left and right; cantilever grid plates with the same width as the left end face and the right end face of the body are arranged in the letter holes from bottom to top at the front side and the rear side, the total number of the grid plates is an odd number, not less than three, and the front grid plates and the rear grid plates are not adhered to each other; the grid plate is tubular, a water channel penetrates through the left and right sides of the grid plate, and fins are arranged on the lower plane of the grid plate;
the left and right isolation plates are plate-shaped, and water channel holes are formed in positions corresponding to the water channels;
the upper end face and the right end face of the left end cover are provided with a water inlet cavity at the lower part, the water inlet cavity is close to the water inlet cavity, and at least one communicating cavity is arranged at the upper part of the water inlet cavity; the water inlet cavity corresponds to the lowest water channel hole on the left partition plate; the communication cavities are sequentially communicated with the left isolation plate from bottom to top from the second water channel hole below, and the upper water channel hole and the lower water channel hole are adjacent; the water inlet cavity corresponds to the outer part of the left end cover and is provided with a water inlet communicated with the water inlet cavity;
the upper part of the left end face of the right end cover is provided with a water outlet cavity, the lower part of the right end cover is provided with at least one communication cavity; the water outlet cavity corresponds to the uppermost water channel hole on the right partition plate; the communicating cavities are sequentially communicated with the right partition plate from top to bottom from the second water channel hole on the upper surface, and the upper surface and the lower surface of the communicating cavities are adjacent to the two water channel holes; the water outlet cavity corresponds to the outer part of the right end cover and is provided with a water outlet communicated with the water outlet cavity.
The body lower extreme is equipped with the oil return inlet that admits air, and the body upper end is equipped with the gas outlet, the letter hole intercommunication of oil return inlet, gas outlet and body.
The body is square, the shape and the letter holes are square, and the periphery of the letter holes are equal in width; the rear part of the square box-shaped appearance extends upwards to form a flat plate, and is provided with a mounting hole.
The grid plates on the front surface and the rear surface of the box hole are respectively and alternately penetrated and arranged downwards, and the left end surface and the right end surface are level with the end surface of the box hole;
the width of the fins of the grid plate is equal to the width of the grid plate, and the gaps between the fins on the lower plane of the upper grid plate and the upper plane of the lower grid plate are uneven.
The body is provided with three grid plates at the front and two grid plates at the back in the box hole; the grid plates are respectively marked as follows from bottom to top: the first grid plate, the second grid plate, the third grid plate, the fourth grid plate and the fifth grid plate and the corresponding water channels are respectively marked as follows: a first waterway, a second waterway, a third waterway, a fourth waterway, and a fifth waterway; the air outlet and the air inlet oil return port are respectively arranged in the middle of the upper surface and the lower surface of the square letter hole.
The number, shape and position of the water channel holes on the left and right isolation plates correspond to those of the water channels on the body; the names of the water channel holes are respectively recorded as follows: the first water channel hole, the second water channel hole, the third water channel hole, the fourth water channel hole and the fifth water channel hole.
The left end cover is groove-shaped, the notch corresponds to the left isolation plate, two transverse baffles with the height flush with the notch are arranged in the groove, the groove of the left end cover is divided into three water cavities, and the three water cavities are respectively defined as from bottom to top: the water inlet cavity, the second communication cavity and the fourth communication cavity; the water inlet cavity corresponds to the first water channel hole of the left partition plate; the second communicating cavity corresponds to the second water channel hole and the third water channel hole of the left isolation plate; the fourth communicating cavity corresponds to a fourth water channel hole and a fifth water channel hole of the left partition plate;
the right end cover is groove-shaped, the notch corresponds to the right partition plate, two transverse partition plates with the height being flush with the notch are arranged in the groove, the groove of the right end cover is divided into three water cavities, and the three water cavities are respectively defined as: the water outlet cavity, the third communication cavity and the first communication cavity; the water outlet cavity corresponds to a fifth water channel hole of the right partition plate; the third communication cavity corresponds to a fourth water channel hole and a third water channel hole of the right partition plate; the first communicating cavity corresponds to the second water channel hole and the first water channel hole of the right partition plate.
In the body, the distance between the water channels of the upper and lower adjacent two grid plates is equal in the height direction, and the adjacent water channels are at least separated by the height clearance of the diaphragm plate on the end cover in the height direction; the distance from the highest point of the lowest water channel (namely the first water channel) to the lower edge of the body box hole is equal to the distance from the lowest point of the highest water channel (namely the fifth water channel) to the upper edge of the body box hole.
The section of the water channel is a long waist-shaped hole or a group of holes.
The left end cover and the right end cover are identical in shape and size and interchangeable.
The left end cover, the left isolation plate, the body, the right isolation plate and the right end cover are arranged on the left side of the body; a left end cover pad is arranged between the left end cover and the left isolation plate, a left body pad is arranged between the left isolation plate and the body, a right body pad is arranged between the body and the right isolation plate, and a right end cover pad is arranged between the right isolation plate and the right end cover.
The shape and the size of the left end cover pad and the right end cover pad are the same as the joint surfaces of the left end cover and the right end cover, and the left end cover pad and the right end cover pad can be interchanged.
The shape and the size of the left body cushion and the right body cushion are the same as the end face of the body, and the left body cushion and the right body cushion can be interchanged.
The air outlet protrudes out of the upper plane in the box hole of the body; the air inlet and oil return port does not protrude out of the lower plane in the box hole of the body.
The upper end of the connecting pipe A is communicated with the air inlet pipe, and the connecting pipe A comprises a connecting pipe A, a hinge body A, a hinge screw, a combination pad A, a combination pad B and the air inlet pipe; the connecting pipe A is welded with the hinge body A, and the hinge body A is communicated with the air inlet pipe by using the hinge screw, the combined pad A and the combined pad B.
The lower end of the connecting pipe A is communicated with the air outlet of the oil-gas condensing device by utilizing the cutting sleeve A on the connecting pipe A to be communicated with the air outlet pipe joint on the oil-gas condensing device.
The upper end of the B connecting pipe is communicated with an air inlet and an oil return port of the oil-gas condensing device by utilizing a B cutting sleeve on the B connecting pipe to be communicated with an air inlet and oil return port pipe joint on the oil-gas condensing device.
The lower end of the connecting pipe B is communicated with the crankcase and comprises a connecting pipe B, a hinge body B, a hinge screw sleeve, a cap nut, a combined pad C, a combined pad D, an advance device cover and an oil condensing net cover; the connecting pipe B is fixedly connected with the hinge body B; the left end of the hinge threaded sleeve is axially provided with threads, the right end of the hinge threaded sleeve is provided with a flange, the middle of the right end face of the hinge threaded sleeve is provided with an axial blind hole, the bottom end of the blind hole is provided with a radial through hole, and the size and the position of the radial through hole are matched with those of the hinge body B; the left end of the hinge screw sleeve sequentially passes through the advance device cover, the D combination pad, the B hinge body and the C combination pad from left to right and is fixedly connected by using a cap nut; the right end face of the hinge threaded sleeve is fixedly connected with an oil condensing net cover.
The oil condensation net cover is butterfly-shaped.
The application has the advantages and beneficial effects that:
the oil gas in the crankcase is introduced into the oil gas condensing device through the B connecting pipe and condensed by the oil gas condensing device, on one hand, the oil gas in the crankcase is cooled, on the other hand, the kinetic energy of the oil gas is quickly reduced when the oil gas is cooled, engine oil in the oil gas can be quickly separated out on the grid plate of the body, and because the grid plate in the body is downwards inclined, oil liquid separated out on the body can freely fall under the action of gravity and flow back to the engine oil pan of the diesel engine through the air inlet oil return pipe, so that the air and the oil in the oil gas are cooled and separated through a labyrinth. Thereby achieving the purpose of purifying the crankcase gas, not only eliminating the environmental pollution caused by the crankcase gas, but also reducing the engine oil consumption rate of the diesel engine, and synchronously reducing the running cost of the diesel engine.
The front and rear grid plates in the main body incline downwards, the grid plates are alternately inserted in sequence from bottom to top, and are not adhered to each other, so that the stroke of high-temperature oil gas in the maze is increased; the fin is further arranged below each grid plate, so that the heat exchange area of oil gas and the radiator is increased, the flow speed of the oil gas in the labyrinth is delayed, the condensation effect is further improved, and the oil gas separation is more thorough and clean.
According to the application, gaps between fins on the lower plane of the upper grid plate and the upper plane of the lower grid plate are uneven, when crankcase gas passes through the oil gas condensing device from bottom to top, the temperature is lower as the crankcase gas passes through the upper layer, and as the specific gravity of cold air of the upper layer is higher than that of hot air of the lower layer, the cold air can sink; because the gaps between the fins of the upper grid plate and the lower grid plate are changed, upward air flow is continuously expanded, compressed, re-expanded and re-compressed … …, and then the air pressure of the upper air flow and the lower air flow is continuously changed, so that the lower air flow is higher than the upper air pressure, namely, the upward air flow is blocked, the air pressure is increased, when sinking cold air meets a small gap, the sinking cold air can be pushed by the lower high-pressure air to move upwards until the air inlet pipe of the diesel engine, the cooling effect of the oil-gas condensing device is improved, meanwhile, in the process, the convection of cold-hot air flow increases the collision between tiny liquid drops in the air flow, and the condensation is formed into large liquid drops to drop on the grid plate, so that the oil-gas separation effect is further improved.
In order to realize the upward flow of cooling water of the water channel in the body, namely, the upward flow is alternately and serially connected from the water channel holes of the left grid plate and the right grid plate, the condensation effect of oil gas is improved, and the problem of communication between two water channels of the upper grid plate and the lower grid plate of the body needs to be solved; a closed air passage is formed in the body, oil gas enters the body from the air inlet oil return hole, passes through a gap between the front grid plate and the rear grid plate in the body, and flows out through the air outlet. The water channel holes on the left and right isolation plates are communicated with each other through different communication cavities on the left and right end covers, so that the serial connection of the upper and lower adjacent water channels of the body is realized, namely: the water flow from the water inlet, the water inlet cavity, the first water channel, the first communicating cavity, the second water channel, the second communicating cavity, the third water channel, the third communicating cavity, the fourth water channel, the fourth communicating cavity, the fifth water channel, the water outlet cavity and the water outlet. In addition, when the water flow is communicated through the upper communicating cavities of the left end cover and the right end cover, the end cover is utilized to radiate the water flow, so that the condensing effect of the body is further improved.
The application uses the left and right separating plates and the end cover communicating cavity to communicate two water channels with irregular shape and different directions, and the distance between the water channels and the water channels is very close to each other, and the two water channels are communicated with the traditional water channels through pipelines or flanges and the like, thereby greatly reducing the installation and connection difficulty of the water channels, simplifying the manufacturing process of the product, and simultaneously, as the contact area between the cooling water and the end cover is larger, the cooling water can be radiated through the end cover, and the heat exchange effect of the body can be further improved.
The application relates to a diesel engine gear chamber communicated with a crank case, an advance device cover is arranged on the gear chamber, a breather air outlet of the crank case is arranged in the advance device cover, and an oil condensation net cover is arranged on the air outlet, so that larger oil droplets in the oil gas in the crank case can be captured and condensed by the oil condensation net and fall back to an oil pan; the oil condensing net cover adopts a butterfly shape, on one hand, the axial size of the oil condensing net cover is shortened, the radial size of the oil condensing net cover is enlarged, and a relatively larger size of the air outlet of the crankcase respirator is obtained by utilizing a smaller axial space, so that the mesh size of the oil condensing net cover is smaller, and the oil condensing effect is better; on the other hand, the butterfly shape of the oil condensation net cover is vertically installed, and under the action of gravity, after external oil drops are attached, the oil can quickly slide down, and internal oil return can quickly gather and exude.
Advantages and features of the application will be illustrated and explained by the following non-limiting description of preferred embodiments, given by way of example only with reference to the accompanying drawings.
Drawings
FIG. 1 is a general view of a diesel engine breathing apparatus;
FIG. 2 is a view of an oil and gas condensing unit A-A;
fig. 3 is a left side view of the oil gas condensing device after the left end cover 1 and the left isolation plate 3 are removed;
fig. 4 is a front view of the left partition plate 3 and the right partition plate 7 in common use;
fig. 5 is a front view of the left end cap 1;
FIG. 6 is a view B-B of an even grid oil and gas condensing unit;
FIG. 7 is a left side view of the even grid plate oil gas condensing unit with the left end cover 1 and the left partition plate 3 removed;
FIG. 8 is a front view of the even grid left separator 3 and right separator 7 in common use;
FIG. 9 is an overall view of an in-line diesel respirator.
In the figure: 1. left end cap, 11, first screw, 12, water inlet, 13, water inlet cavity, 14, first diaphragm, 15, second communication cavity, 16, second diaphragm, 17, fourth communication cavity, 2, left end cap pad, 3, left partition, 31, first water channel hole, 32, second water channel hole, 33, third water channel hole, 34, fourth water channel hole, 35, fifth water channel hole, 36, fixed hole, 4, left body pad, 5, body, 51, intake return, 52, air outlet, 53, mounting hole, 54, box hole, 500, fin, 501, first diaphragm, 502, second diaphragm, 503, third diaphragm, 504, fourth diaphragm, 505, fifth diaphragm, 511, first water channel, 512, second water channel, 513, third water channel, 514, fourth water channel, 515, fifth water channel, 6, body pad, 7, right partition, 8, right end cap pad, 9, right end cap, 91, second screw, 92, water outlet, 93, water outlet cavity, 94, third diaphragm, 95, third diaphragm, 97, fourth diaphragm;
100. oil and gas condensing unit, 200, air inlet pipe, 300, advance ware lid, 400, crankcase, 301, hinge screw sleeve, 302, oil condensing screen, 511.B cutting ferrule, 512.B connecting pipe, 513.B hinge body, 514, cap nut, 515.C combination pad, 516.D combination pad, 521.A cutting ferrule, 522.A connecting pipe, 523.A hinge body, 524, hinge screw, 525.B combination pad, 526.A combination pad.
Detailed Description
For the purpose of making the object and technical scheme of the present application more apparent, the present application will be further described with reference to the accompanying drawings and examples, in which:
it will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
The meaning of "left, right, up, down, front and back" in the present application means that when the reader is right to fig. 1, the left side of the reader is left, the right side of the reader is right, the upper side of the reader is up, the lower side of the reader is down, the front surface in the paper in front of the reader is front, and the surface opposite to the reader is back, not the specific limitation of the present application.
"connected" as used herein means either a direct connection between components or an indirect connection between components via other components.
In the first embodiment of the application:
as shown in fig. 1, a diesel respirator comprises a diesel intake pipe 200, an oil gas condensing device 100 and a crankcase 400; intake pipe 200 and hydrocarbon condensing unit 100 are communicated by a connecting pipe 522; the oil and gas condensing unit 100 is communicated with the crankcase 400 by a B connection pipe 512.
Intake pipe 200 and hydrocarbon condensing device 100 are communicated using a connection pipe 522. Namely, the upper end of the a connecting pipe 522 is welded with the a hinge body 523, and the a hinge body 523 is fixedly communicated with the air inlet pipe 200 by using a hinge screw 524 and a combination pad 526 and a combination pad 525. The lower end of the connecting pipe A522 is provided with a cutting sleeve 521 and a bell mouth which are communicated with the air outlet 52 of the oil gas condensing device 100, the air outlet 52 is a hexagonal external tooth pipe joint, and the connecting pipe A522 is a metal pipe.
The oil and gas condensing unit 100 is communicated with the crankcase 400 by a B connection pipe 512. Namely, the upper end of the B connecting pipe 512 is provided with a B cutting sleeve 511 and a horn mouth, and is fixedly communicated with an air inlet oil return port 51 of the oil-gas condensing device 100, the air inlet oil return port 51 is a hexagonal external tooth pipe joint, and the B connecting pipe 512 is a metal pipe. The lower end of the B connecting pipe 512 is communicated with the crankcase 400, namely, the lower end of the B connecting pipe 512 is welded with the B hinge body 513; the left end of the hinge threaded sleeve 301 is axially provided with threads, the right end is provided with a flange, the middle of the right end face is provided with an axial blind hole, the bottom end of the blind hole is provided with a radial through hole, and the size and the position of the radial through hole are matched with those of the hinge body B513; the left end of the hinge screw 301 passes through the advancer cover 300, the D combination pad 516, the B hinge 513, the C combination pad 515 in sequence from left to right, and is fixed by a cap nut 514; the right end face of the hinge threaded sleeve 301 is fixedly connected with a butterfly-shaped oil condensation net cover 302, a butterfly-shaped steel wire framework is arranged inside the oil condensation net cover 302, and the connection mode of the hinge threaded sleeve 301 and the oil condensation net cover 302 is preferably a welding mode.
The diesel gear chamber is in communication with the crankcase, and the advancer cover 300 is mounted on the gear chamber cover, so that the present embodiment uses the inner space of the advancer cover 300 to communicate with the space of the crankcase 400, and thus, the present embodiment mounts the breather air outlet of the crankcase 400, i.e., the oil coalescing screen 302, in the advancer cover 300. The oil condensation screen 302 is arranged, so that larger oil droplets in the oil gas in the crankcase 400 can be captured and condensed by the oil condensation screen 302 and fall back to the oil pan again; the oil condensation screen 302 adopts a butterfly-shaped design, on one hand, in order to shorten the axial dimension of the oil condensation screen 302, enlarge the radial dimension of the oil condensation screen, and utilize a smaller axial space to obtain a relatively larger size of the breather outlet of the crankcase 400, so that the mesh of the oil condensation screen 302 is smaller, and the oil condensation effect is better; on the other hand, the butterfly-shaped oil condensation screen 302 is installed vertically, and under the action of gravity, after external oil drops are attached, the oil drops can quickly slide down, and internal oil returns can quickly gather and exude.
As shown in fig. 2, the oil gas condensing device comprises a left end cover 1, a left end cover pad 2, a left isolation plate 3, a left body pad 4, a body 5, a right body pad 6, a right isolation plate 7, a right end cover pad 8 and a right end cover 9, wherein the left end cover 1, the left end cover pad 2, the left isolation plate 3 and the left body pad 4 are fixed on the left end surface of the body 5 through first screws 11, and the right end cover 9, the right end cover pad 8, the right isolation plate 7 and the right body pad 6 are fixed on the right end surface of the body 5 through second screws 91.
In this embodiment, the shape and size of the left end cover pad 2 and the right end cover pad 8 correspond to the notch end faces of the left end cover 1 and the right end cover 9, the materials of the left end cover pad 2 and the right end cover pad 8 are rubber pads, the left end cover pad 2 seals between the left end cover 1 and the left isolation plate 3, and the right end cover pad 8 seals between the right end cover 9 and the right isolation plate 7. The left body pad 4 and the right body pad 6 are corresponding to the left end face and the right end face of the body 5 in shape and size, are made of rubber pads, the left body pad 4 seals between the body 5 and the left isolation plate 3, and the right body pad 6 seals between the body 5 and the right isolation plate 7.
The body 5 is square and transparent left and right, the shape and the letter holes 54 are square, and the periphery of the letter holes 54 are equal in width; the rear part of the square box shape extends upwards to form a flat plate, and is provided with a mounting hole 53; the front and rear surfaces in the box holes 54 are provided with a total of 5 downward inclined grid plates (501-505), that is, the total number of the grid plates (501-505) is an odd number, the grid plates (501-505) are alternately and sequentially inserted from bottom to top between the front and rear grid plates (501-505) and are not adhered to each other, the cross section of each grid plate (501-505) is square, a plurality of fins 500 with different heights are arranged below each grid plate in the front and rear directions, the left and right widths of the fins 500 are equal to those of the grid plates, and gaps between each fin on the lower plane of the upper grid plate and the upper plane of the lower grid plate are uneven, so that the heat exchange area of oil gas and a radiator is increased, the flow speed of the oil gas in a labyrinth is delayed, the condensation effect is further improved, and the oil gas separation is thoroughly cleaned.
The left and right length is 3/4 of the width of the letter hole 54, the left and right end faces are flush with the end face of the letter hole 54, the upper and lower directions of the end heads of the grid plates are arc, the downward inclination angle of the grid plates is 15 degrees, and gaps are arranged between the adjacent grid plates (501-505) in the upper and lower directions to provide gas channels for condensing oil gas in the crankcase; in the box hole 54, the grid plates (501, 503, 505) are arranged in the box hole 54 and are connected with the front of the box hole 54, and are respectively marked as: first louver 501, third louver 503, fifth louver 505; the louvers (502, 504) are positioned within the pocket 54 and are connected to the rear of the pocket 54, respectively: a second louver 502, a fourth louver 504; the left and right end surfaces of the grid plate are provided with water channels (511-515) which are penetrated left and right along the axial direction of the box hole 54, and the water channels (511-515) are waist-shaped; the water channels (511-515) corresponding to the grid plates (501-505) are respectively marked as: a first waterway 511, a second waterway 512, a third waterway 513, a fourth waterway 514, and a fifth waterway 515; the air outlet 52 and the air inlet oil return port 51 are respectively arranged in the middle of the upper surface and the lower surface of the box hole 54 of the body 5; the inner diameter of the air inlet oil return opening 51 is phi 12-phi 16 mm, and the inner diameter of the air outlet 52 is phi 8 mm.
As shown in fig. 4, the left isolation plate 3 and the right isolation plate 7 are square stainless steel plates, the thickness is 2 mm, and the length and width dimensions are the same as those of the left end face and the right end face of the body 5; the left isolation plate 3 and the right isolation plate 7 are provided with water channel holes (31-35) and fixing holes 36, and the number, the shape and the positions of the water channel holes (31-35) correspond to those of the water channels on the body 5; the names of the water channel holes are respectively recorded as follows: a first waterway hole 31, a second waterway hole 32, a third waterway hole 33, a fourth waterway hole 34, and a fifth waterway hole 35; the first waterway hole 31 corresponds to the first waterway 511, and so on, the fifth waterway hole 35 corresponds to the fifth waterway 515. The left partition plate 3 is installed between the body 5 and the left end cover 1, and the right partition plate 7 is installed between the body 5 and the right end cover 9.
As shown in fig. 2, the body 5 is separated from the left end cover 1 and the right end cover 9 by the left separating plate 3 and the right separating plate 7, and the water channel in the body 5 is communicated with the notch arranged on the end cover, so that the oil gas condensing device forms two passages which are mutually sealed, namely, a crankcase oil gas condensing passage and a cooling water passage.
As shown in fig. 2 and 3, by reasonably arranging the grid positions of the body 5, the distance between the water channels of the upper and lower adjacent grids in the height direction is equal, and the height gap between the adjacent water channels in the height direction of at least one first diaphragm 14 on the end cover is ensured, and the distance from the highest point of the first water channel 511 to the lower edge of the body is equal to the distance from the lowest point of the fifth water channel 515 to the upper edge of the body. Thereby meeting the requirement that the shape, position and size of the left end cover 1 are the same as the shape, position and size of the right end cover 9 after being upside down, so that the left end cover 1 and the right end cover 9 have interchangeability, and the production cost is reduced. Since the left end cover 1 and the right end cover 9 are different in function and function, the application still separately describes the left end cover 1 and the right end cover 9.
As shown in fig. 2 and 5, the left end cover 1 is in a groove shape, the notch corresponds to the left partition plate 3, two transverse partition plates with the height being flush with the notch are arranged in the groove, namely a first transverse partition plate 14 and a second transverse partition plate 16, the left end cover groove is divided into three water cavities, and from bottom to top, the three water cavities are respectively defined as: a water inlet cavity 13, a second communication cavity 15 and a fourth communication cavity 17; the back of the water inlet cavity 13 is provided with a water inlet 12, the water inlet 12 is communicated with the water inlet cavity 13, and the front of the water inlet cavity 13 corresponds to the first water channel hole 31 of the left partition plate 3; the second communicating cavity 15 corresponds to the second water channel hole 32 and the third water channel hole 33 of the left partition plate 3; the fourth communicating cavity 17 corresponds to the fourth water channel hole 34 and the fifth water channel hole 35 of the left partition plate 3;
as shown in fig. 1, the right end cover 9 is in a groove shape, the notch corresponds to the right partition plate 7, two transverse partition plates with the height being flush with the notch are arranged in the groove, and are respectively a third transverse partition plate 94 and a fourth transverse partition plate 96, the groove shape of the right end cover 9 is divided into three water cavities, and the three water cavities are respectively defined as from top to bottom: the water outlet cavity 93, the third communication cavity 95, and the first communication cavity 97; a water outlet 92 is arranged on the back surface of the water outlet cavity 93, the water outlet 92 is communicated with the water outlet cavity 93, and the front surface of the water outlet cavity 93 corresponds to a fifth water channel hole 515 of the right partition plate 7; the third communicating cavity 95 corresponds to the fourth water channel hole 514 and the third water channel hole 513 of the right partition plate 7; the first communicating cavity 97 corresponds to the second water channel hole 512 and the first water channel hole 511 of the right partition plate 7;
the middle part is equipped with water inlet 12 under this device left end cover 1, and the last middle part of right-hand member lid 9 is equipped with delivery port 92, the cooling water route of condensing crankcase oil gas usefulness: cooling water flows in from the water inlet 12, the water inlet cavity 13, the first water channel 511, the first communicating cavity 97, the second water channel 512, the second communicating cavity 15, the third water channel 513, the third communicating cavity 95, the fourth water channel 514, the fourth communicating cavity 17, the fifth water channel 515, the water outlet cavity 93 and the water outlet 92;
the upper end of the body 5 is provided with an air outlet 52 protruding downwards from the upper plane in the box hole 54 of the body 5, the lower end is provided with an air inlet oil return opening 51 not protruding from the lower plane in the box hole 54 of the body 5, crankcase oil gas enters the box hole 54 of the body 5 through the air inlet oil return opening 51, bypasses the first grid plate 501, the gap between the first grid plate 501 and the second grid plate 502, the gap between the second grid plate 502 and the third grid plate 503, the gap between the third grid plate 503 and the fourth grid plate 504, the gap between the fourth grid plate 504 and the fifth grid plate 505, the upper part in the box hole 54 of the body 5 is provided with an air outlet 52 for discharging condensed clean gas, and the condensed clean gas is discharged into an air inlet pipe of a diesel engine. Since the fifth louver 505 to the first louver 501 are cantilever beams inclined downward, the oil condensed and precipitated by the louvers gradually slides down along the surface of the louver under the action of gravity and flows into the intake oil return hole 51, and since the device is mounted on the body of the diesel engine, the position of the intake oil return hole 51 is higher than the oil pan of the diesel engine, and therefore, the oil flowing into the intake oil return hole 51 eventually flows into the oil pan of the diesel engine.
In the embodiment, the total number of grid plates is 5, namely 5 water channels are odd, the water inlets of the grid plates are arranged at the lower end of the left end cover, and the water outlets of the grid plates are arranged at the upper end of the right end cover; because the application adopts a symmetrical design, the left end cover and the right end cover can be exchanged, the water inlet is arranged at the lower end of the right end cover, and the water outlet is arranged at the upper end of the left end cover. The purpose one of this arrangement is: the water inlet and the water outlet are distributed on the left side and the right side of the body; second purpose is: not only can the lower left water inlet be realized, but also the upper right water outlet be realized; the flexibility of pipeline installation is fully utilized, so that the device can be more suitable for different diesel engines, the trend requirement on a cooling water pipeline is met, and the position interference of other parts on the diesel engines is effectively avoided when the device is installed on different diesel engines.
In the second embodiment of the application:
other arrangements are the same as in the first embodiment of the present application.
In the embodiment, in the body box hole, the total number of grid plates is even, and at least four grid plates are arranged;
the body is arranged in the box hole, two grid plates are arranged at the front and two grid plates are arranged at the rear; the grid plates are respectively marked as follows from bottom to top: the first grid plate, the second grid plate, the third grid plate and the fourth grid plate and the corresponding water channels are respectively marked as follows: a first waterway, a second waterway, a third waterway, a fourth waterway;
the number, shape and position of the water channel holes on the left and right isolation plates correspond to those of the water channels on the body; the names of the water channel holes are respectively recorded as follows: the first water channel hole, the second water channel hole, the third water channel hole and the fourth water channel hole.
The right end face of the left end cover is provided with a water inlet cavity at the lower part, the water inlet cavity corresponds to the lowest water channel hole on the left isolation plate, the upper part of the water inlet cavity is at least provided with a communicating cavity, and the communicating cavity sequentially communicates the two water channel holes adjacent to each other from bottom to top from the last water channel hole of the left isolation plate; the upper part of the right end face of the left end cover is provided with a water outlet cavity corresponding to the uppermost water channel hole on the left isolation plate, and the water outlet cavity corresponds to the outer part of the left end cover and is provided with a water outlet communicated with the water outlet cavity;
at least 2 communicating cavities are arranged on the left end face of the right end cover, and are sequentially communicated with the right partition plate from top to bottom, and two water channel holes are adjacent from top to bottom;
as shown in fig. 6, 7 and 8, the total number of grid plates (501-504) in the embodiment is 4, the water inlet 12 and the water outlet 92 are both on the left end cover 1, the right end surface of the left end cover 1 is provided with a water inlet cavity 13 at the lower bottom, the water inlet cavity 13 corresponds to the water channel hole 31 at the lowest surface of the left isolation plate 3, the upper bottom is provided with a water outlet cavity 18, and the water outlet cavity 18 corresponds to the water channel hole 34 at the uppermost surface of the left isolation plate 3; the left side of the left end cover 1 is provided with a water inlet 12 at the position of a water inlet cavity 13, the water inlet 12 is communicated with the water inlet cavity 13, the position of a water outlet cavity 18 is provided with a water outlet 92, and the water outlet 92 is communicated with the water outlet cavity 18; a communication cavity 15 is arranged between the water inlet cavity 13 and the water outlet cavity 18, and the communication cavity 15 corresponds to the water channel hole 32 and the water channel hole 33 of the left isolation plate 3.
2 communicating cavities, namely a third communicating cavity 95 and a first communicating cavity 97 are arranged on the left end face of the right end cover 9; the third communicating cavity 95 corresponds to the first water channel hole 31 and the second water channel hole 32 on the right partition plate 7, and the first communicating cavity 97 corresponds to the third water channel hole 33 and the fourth water channel hole 34 on the right partition plate 7.
Because the left end and the right end of the body 5 are symmetrically designed, the left end cover 1 and the right end cover 9 can be interchanged, that is, the water inlet 12 and the water outlet 92 of the embodiment can be simultaneously arranged at the left side of the oil gas condensing device; or at the right side of the oil gas condensing device; the flexibility of the cooling water pipeline installation is fully utilized, so that the device is further suitable for different diesel engines, the trend requirement of the cooling water pipeline is met, and the position interference of other parts on the diesel engines is effectively avoided when the device is installed on different diesel engines.
The third embodiment of the application:
other arrangements are the same as in the first embodiment of the present application.
A diesel engine breather comprises a diesel engine crankcase, a B connecting pipe and an oil gas condensing device; the method is characterized in that: the lower end of the connecting pipe B is communicated with the crankcase, the upper end of the connecting pipe B is communicated with an air inlet and an oil return port of the oil-gas condensing device, and an air outlet at the upper end of the oil-gas condensing device is communicated with the space atmosphere; the oil-gas condensing device is a water-cooling heat exchanger and is provided with a cooling water inlet and a cooling water outlet.
As shown in fig. 9, in a diesel engine breather, the lower end of a B connecting pipe 512 is communicated with a crankcase 400 by using a condensate screen 302, and the upper end is communicated with an intake oil return port 51 of an oil gas condensing device 100; the oil-gas condensing device 100 is a water-cooling heat exchanger and is provided with a cooling water inlet 12 and a cooling water outlet 12; the gas outlet 52 of the oil and gas condensing device 100 is directly connected to the atmosphere, so that the crankcase oil and gas is separated by the oil and gas condensing device, and clean gas is directly discharged into the atmosphere.
Claims (7)
1.A diesel engine breather comprises a diesel engine air inlet pipe, a crankcase and a connecting pipe; the method is characterized in that: the connecting pipe is divided into two sections, namely an A connecting pipe and a B connecting pipe; the upper end of the connecting pipe A is communicated with the air inlet pipe, and the lower end of the connecting pipe A is communicated with the air outlet of the oil-gas condensing device; the upper end of the connecting pipe B is communicated with an air inlet and oil return port of the oil-gas condensing device, and the lower end of the connecting pipe B is communicated with the crankcase; the oil-gas condensing device is a water-cooling heat exchanger and is provided with a cooling water inlet and a cooling water outlet;
the oil gas condensing device comprises: the left end cover, the left isolation plate, the body, the right isolation plate and the right end cover are fixedly connected to the body in sequence; the body is a letter hole and is transparent left and right; cantilever grid plates with the same width as the left end face and the right end face of the body are arranged in the letter holes from bottom to top at the front side and the rear side, the total number of the grid plates is even, the number of the grid plates is not less than four, and the front grid plates and the rear grid plates are not adhered to each other; the grid plate is tubular, a water channel penetrates through the left and right sides of the grid plate, and fins are arranged on the lower plane of the grid plate;
the left and right isolation plates are plate-shaped, and water channel holes are formed in positions corresponding to the water channels;
the upper end face and the right end face of the left end cover are provided with a water inlet cavity at the lower part, the water inlet cavity is close to the water inlet cavity, and at least one communicating cavity is arranged at the upper part of the water inlet cavity; the water inlet cavity corresponds to the lowest water channel hole on the left partition plate; the communication cavities are sequentially communicated with the left isolation plate from bottom to top from the second water channel hole below, and the upper water channel hole and the lower water channel hole are adjacent; the water inlet cavity corresponds to the outer part of the left end cover and is provided with a water inlet communicated with the water inlet cavity; the upper part of the right end face of the left end cover is provided with a water outlet cavity corresponding to the uppermost water channel hole on the left isolation plate, and the water outlet cavity corresponds to the outer part of the left end cover and is provided with a water outlet communicated with the water outlet cavity;
at least two communicating cavities are arranged on the left end face of the right end cover; the right partition plate is sequentially communicated with two water channel holes from top to bottom;
the body lower extreme is equipped with the oil return inlet that admits air, and the body upper end is equipped with the gas outlet, the letter hole intercommunication of oil return inlet, gas outlet and body.
2.A diesel breathing apparatus according to claim 1, wherein: the lower end of the connecting pipe B is communicated with the crankcase, and an oil condensing net cover is arranged at the communicating port of the connecting pipe B.
3.A diesel breathing apparatus according to claim 2, wherein: the oil condensing net cover is butterfly-shaped.
4. A diesel breathing apparatus according to claim 1, wherein: the oil gas condensing device is provided with a labyrinth type cooling water pipeline, a gas path channel capable of penetrating through the cooling water pipeline, a gas outlet and a gas inlet oil return port.
5. A diesel breathing apparatus according to claim 1, wherein: the body is square, the shape and the letter holes are square, and the periphery of the letter holes are equal in width; the rear part of the square box-shaped appearance extends upwards to form a flat plate, and is provided with a mounting hole.
6.A diesel breathing apparatus according to claim 1, wherein: grid plates on the front surface and the rear surface of the box hole are respectively penetrated and arranged downwards, forwards and backwards alternately, and the left end face and the right end face are flush with the end face of the box hole.
7. A diesel breathing apparatus according to claim 1, wherein: the width of the fins of the grid plate is equal to the width of the grid plate, and the gaps between the fins on the lower plane of the upper grid plate and the upper plane of the lower grid plate are uneven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310714522.7A CN116733571A (en) | 2022-03-24 | 2022-03-24 | Respirator of diesel engine |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210294823.4A CN114483255B (en) | 2022-03-24 | 2022-03-24 | Respirator of diesel engine |
| CN202310714522.7A CN116733571A (en) | 2022-03-24 | 2022-03-24 | Respirator of diesel engine |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210294823.4A Division CN114483255B (en) | 2022-03-24 | 2022-03-24 | Respirator of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116733571A true CN116733571A (en) | 2023-09-12 |
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ID=81487976
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310714522.7A Pending CN116733571A (en) | 2022-03-24 | 2022-03-24 | Respirator of diesel engine |
| CN202311073715.5A Pending CN117072281A (en) | 2022-03-24 | 2022-03-24 | Lifeboat diesel engine respirator |
| CN202210294823.4A Active CN114483255B (en) | 2022-03-24 | 2022-03-24 | Respirator of diesel engine |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311073715.5A Pending CN117072281A (en) | 2022-03-24 | 2022-03-24 | Lifeboat diesel engine respirator |
| CN202210294823.4A Active CN114483255B (en) | 2022-03-24 | 2022-03-24 | Respirator of diesel engine |
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| Country | Link |
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| CN (3) | CN116733571A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115263451A (en) * | 2022-07-26 | 2022-11-01 | 中国船舶重工集团公司第七0四研究所 | Distributed oil-gas condensing device with safe discharge mechanism |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6027433B2 (en) * | 2012-12-25 | 2016-11-16 | 日野自動車株式会社 | Closed breather system |
| CN103437855A (en) * | 2013-07-16 | 2013-12-11 | 东风朝阳朝柴动力有限公司 | Two-stage oil-gas separation diesel engine breathing system |
| CN103925042B (en) * | 2014-04-01 | 2016-02-10 | 江苏科技大学 | A kind of 360 degree of secondary resuscitation apparatuss of upset salvage boat diesel engine |
| CN104696048A (en) * | 2015-01-15 | 2015-06-10 | 东风朝阳朝柴动力有限公司 | Labyrinth type diesel engine breather provided with sloping baffles |
| CN204572269U (en) * | 2015-04-29 | 2015-08-19 | 张家港科伦斯汽车配件有限公司 | A kind of EGR cooling unit |
| CN107355278B (en) * | 2017-06-07 | 2020-05-29 | 江苏科技大学 | Non-stop device for inverted throwing type lifeboat diesel engine |
| CN110284939B (en) * | 2017-06-08 | 2021-03-02 | 江苏科技大学 | Multi-cylinder diesel engine inversion non-stop device for throwing boat |
| CN111664037A (en) * | 2020-06-24 | 2020-09-15 | 北京高鑫伟业科技有限公司 | Preheating system and preheating method for engine crankcase |
-
2022
- 2022-03-24 CN CN202310714522.7A patent/CN116733571A/en active Pending
- 2022-03-24 CN CN202311073715.5A patent/CN117072281A/en active Pending
- 2022-03-24 CN CN202210294823.4A patent/CN114483255B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN114483255A (en) | 2022-05-13 |
| CN117072281A (en) | 2023-11-17 |
| CN114483255B (en) | 2023-09-22 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication |