CN214145619U - Diesel engine with tail gas treatment device - Google Patents

Abstract

The utility model discloses a take tail gas processing apparatus's diesel engine relates to take tail gas processing apparatus's diesel engine field, and its technical scheme main points are: including diesel engine and diesel engine intake pipe, intake pipe one end is connected with the cooling chamber, the cold air duct has been seted up to the cooling chamber outer wall, the cold air duct connection has the refrigerator, and the tail gas that the diesel engine discharged lets in tail gas purifier through the cooling in, protects tail gas purifier, improves tail gas purifier's life.

Description

Diesel engine with tail gas treatment device

Technical Field

The utility model relates to a take tail gas processing apparatus's diesel engine field, more specifically say, it relates to a take tail gas processing apparatus's diesel engine.

Background

According to statistics, the cargo transportation capacity of ocean vessels accounts for more than 85% of the total global cargo transportation capacity, and the tonnage of ocean commercial vessels engaged in international trade exceeds more than 300 total tons by about 5 ten thousand, wherein most of the ocean commercial vessels adopt diesel engines as power devices and power generation devices. As most of fuel oil for ship combustion is poor residual oil in the petroleum refining process, the fuel oil has high sulfur content, high viscosity and high carbon residue value, and thus the exhaust gas emission of ships influences the atmospheric environment and human health.

Chinese patent with publication number CN207437178U discloses a diesel engine tail gas treatment device, which has the technical scheme that: the tail gas purifier comprises a tail gas pipe, an air inlet pipe is arranged at one end of the tail gas pipe, a tail gas purifier is fixedly connected to one end, far away from the air inlet pipe, of the tail gas pipe through a screw, an air outlet pipe is arranged at one end, far away from the tail gas pipe, of the tail gas purifier, a limiting ring is arranged on the inner side, near the air inlet pipe, of the tail gas pipe, an inner cover is clamped between the limiting ring and the tail gas pipe and comprises a first inner cover and a second inner cover, positioning convex strips are arranged at two ends, near the second inner cover, of the first inner cover, positioning clamping grooves matched with the positioning convex strips are arranged at two ends of the second inner cover, the first inner cover and the second inner cover are enclosed into a cylindrical hollow pipe through the matching of the positioning convex strips and the positioning clamping grooves, a filter pipe is arranged on the inner side, near the tail gas purifier, a circular limiting groove matched with the first inner cover and the second inner cover is arranged at one end, and a circular filter plate is arranged on the inner side, near the limiting groove, of the filter pipe, namely, an air inlet pipe is connected with an air outlet of the diesel engine, and tail gas enters a tail gas pipe through the air inlet pipe.

In the above-mentioned scheme, intake pipe exhaust tail gas directly lets in among tail gas pipe and the tail-gas clean-up ware, but intake pipe exhaust tail gas has the heat, and high temperature tail gas can scald filter tube and filter, uses for a long time, causes tail-gas clean-up ware to damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a take tail gas processing apparatus's diesel engine, during tail gas that the diesel engine discharged lets in tail gas purifier through the cooling, protection tail gas purifier improved tail gas purifier's life.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a take tail gas processing apparatus's diesel engine, includes diesel engine and diesel engine intake pipe, characterized by: one end of the air inlet pipe is connected with a cooling chamber, the outer wall of the cooling chamber is provided with a cold air pipe, the cold air pipe is connected with a refrigerator, the outer wall of the cooling chamber is rotatably connected with a rotating shaft, one end of the rotating shaft is provided with a plurality of rotating blades, the other end of the rotating shaft is provided with a rotating piece for driving the rotating shaft to rotate, an air outlet pipe is arranged on one side of the cooling chamber back to the air inlet pipe and is connected with a tail gas purifying chamber, one side of the tail gas purifying chamber, which is back to the gas outlet pipe, is provided with a tail gas pipe, each outer wall of the tail gas purifying chamber is arranged in a hollow way, a power supply is arranged above the outer wall of the tail gas purification chamber, a high-voltage electrode is arranged in the outer wall of the tail gas purification chamber, the tail gas clean room is equipped with telluric electricity field in just facing the diapire of high voltage electrode, telluric electricity field and high voltage electrode opposite side all are equipped with the insulating layer, two form the discharge passage between the insulating layer, be equipped with the filter screen in the cooling chamber.

Through above-mentioned technical scheme, the tail gas that the diesel engine discharged lets in the cooling chamber, start refrigerator and small-size motor, and air conditioning and high temperature tail gas mix, and each high-speed rotatory rotating vane can accelerate cooling rate, and the tail gas of cooling lets in tail gas purifier through the outlet duct, and tail gas passes through discharge channel's ionization, decomposition reaction to and the filtration of filter screen, with tail gas purification, by the exhaust pipe discharge at last, protect tail gas purifier, improve tail gas purifier's life.

Preferably, the rotary member includes a small motor fixed to the cooling chamber by a placing plate, the small motor being connected to an end of the rotary shaft remote from each of the rotary blades.

Through above-mentioned technical scheme, start the small-size motor, the small-size motor drives the pivot rotation, and the pivot drives each rotating vane high-speed rotatory, and each high-speed rotatory rotating vane can accelerate cooling rate, improves cooling efficiency.

Preferably, the exhaust pipe positioned in the tail gas purification chamber is sleeved outside the exhaust pipe, a plurality of exhaust holes are formed in the outer wall of the exhaust pipe, a sliding plate is connected to the inner wall of the exhaust pipe in a sliding mode through a telescopic piece, and the telescopic piece drives the sliding plate to slide out of or slide into the exhaust pipe.

Through above-mentioned technical scheme, under the effect of extensible member, reach certain atmospheric pressure when the gas in the cooling chamber, the drive sliding plate removes towards the extensible member direction, and gas is discharged from the exhaust hole, has prolonged the cooling time of waste gas in the cooling chamber, and the cooling of waste gas is more abundant, thorough.

Preferably, the telescopic member includes a first telescopic pipe and a second telescopic pipe, the second telescopic pipe is movably inserted into the first telescopic pipe, the second telescopic pipe is slidably connected into the first telescopic pipe, one end of the first telescopic pipe is arranged on the inner wall of the discharge pipe, and one end of the second telescopic pipe is connected to the sliding plate.

Through the technical scheme, gas in the cooling chamber reaches certain atmospheric pressure, the drive sliding plate moves towards first expansion pipe direction, first expansion pipe slides in the flexible pipe of second so, when the sliding plate slips out the blast pipe, gas in the cooling chamber is discharged from the exhaust hole, the burning time of waste gas in the combustion chamber has been prolonged, after the gas emission in the cooling chamber finishes, the flexible pipe of second can drive the sliding plate fast and slide in the outlet duct, the flexible pipe of second plays the guide effect to the removal of sliding plate, convenient next use.

Preferably, the fixed cover of the one end that the pivot is close to each rotating vane is equipped with first external gear, the cooling chamber inner wall rotates and is connected with the rotation axis, the one end of rotation axis is equipped with a plurality of rotor plates, the fixed cover of rotation axis outer wall is equipped with the second external gear of meshing on first external gear.

Through above-mentioned technical scheme, start small-size motor, when small-size motor drove pivot and first external gear rotatory, the second external gear drove rotation axis and each rotor plate high-speed rotatory, improves waste gas cooling efficiency, saves the cooling time.

Preferably, each of the rotating pieces and the rotating blades are uniformly arranged on the rotating shaft and the rotating shaft, respectively.

Through above-mentioned technical scheme, guarantee that each rotor blade and rotating vane hand power are even, increase rotor blade and rotating vane's life.

Preferably, the tail gas detector is arranged on the tail gas pipe.

Through above-mentioned technical scheme, it is fit for meeting emission standard to detect the gas that the tail gas pipe is discharged.

To sum up, the utility model discloses the beneficial effect who reaches is: first, during the tail gas that the diesel engine discharged lets in the cooling chamber, start refrigerator and small-size motor, air conditioning and high temperature tail gas mix, and each high-speed rotatory rotating vane can accelerate cooling rate, and the tail gas of cooling lets in exhaust purifier through the outlet duct. And secondly, tail gas is subjected to ionization and decomposition reaction of a discharge channel and is filtered by a filter screen, and the tail gas is purified and finally discharged by a tail gas pipe, so that the tail gas purifier is protected, and the service life of the tail gas purifier is prolonged.

Thirdly, under the effect of extensible member, when the gas in the cooling chamber reaches certain atmospheric pressure, the drive sliding plate moves towards the extensible member direction, and gas is discharged from the exhaust hole, has prolonged the cooling time of the interior waste gas of cooling chamber, and the cooling of waste gas is more abundant, thorough.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is an enlarged schematic view of the embodiment for embodying the structure A in FIG. 1;

FIG. 3 is a schematic structural diagram of a discharge channel according to the present embodiment;

fig. 4 is an enlarged schematic structural diagram of the embodiment for embodying B in fig. 3.

In the figure: 1. a diesel engine; 2. an air inlet pipe; 3. a cooling chamber; 4. a cold air pipe; 5. a rotating shaft; 6. a refrigerator; 7. a rotating blade; 8. an air outlet pipe; 9. a tail gas purification chamber; 10. a tail gas pipe; 11. a power source; 12. A high voltage electrode; 13. a ground electrode; 14. an insulating layer; 15. a discharge channel; 16. a filter screen; 17. A small-sized motor; 18. a discharge pipe; 19. an exhaust hole; 20. a sliding plate; 21. a telescoping member; 211. a first telescopic tube; 212. a second telescopic tube; 22. a first external gear; 23. a rotating shaft; 24. a rotating sheet; 25. A second external gear; 26. an exhaust gas detector; 27. placing the plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Examples

A diesel engine with a tail gas treatment device, as shown in figure 1, comprises a diesel engine 1 and an air inlet pipe 2 of the diesel engine 1, one end of the air inlet pipe 2 is connected with a cooling chamber 3, the outer wall of the cooling chamber 3 is provided with a cold air pipe 4, the cold air pipe 4 is connected with a refrigerator 6, the outer wall of the cooling chamber 3 is rotatably connected with a rotating shaft 5, one end of the rotating shaft 5 is provided with a plurality of rotating blades 7, the other end of the rotating shaft is provided with a rotating part for driving the rotating shaft 5 to rotate, one side of the cooling chamber 3, which is back to the air inlet pipe 2, is provided with an air outlet pipe 8, the air outlet pipe 8 is connected with a tail gas purification chamber 9, one side of the tail gas purification chamber 9, which is back to the air outlet pipe 8, each outer wall of the tail gas purification chamber 9 is hollow, a power supply 11 is arranged above the outer wall of the tail gas purification chamber 9, the outer wall of the tail gas purification chamber 9 is provided with a high voltage electrode 12, and a grounding electrode 13 is arranged in the bottom wall of the tail gas purification chamber 9, which is right opposite to the high voltage electrode 12, the one side that telluric electricity field 13 and high tension electrode 12 are relative all is equipped with insulating layer 14, insulating layer 14 adopts the glass steel material, form discharge channel 15 between two insulating layers 14, be equipped with filter screen 16 in the cooling chamber 3, the tail gas that diesel engine 1 discharged lets in cooling chamber 3, start refrigerator 6 and small motor 17, air conditioning and high temperature tail gas mix, each high-speed rotatory rotating vane 7 can accelerate cooling rate, the tail gas of cooling passes through outlet duct 8 and lets in tail gas purifier, tail gas is through the ionization of discharge channel 15, the decomposition reaction, and filter screen 16's filtration, with tail gas purification, discharge by exhaust pipe 10 at last, protect tail gas purifier, improve tail gas purifier's life.

As shown in fig. 2, the rotary member includes a small motor 17 fixed to the cooling chamber 3 by a placing plate 27, the small motor 17 is attached to one end of the rotary shaft 5 remote from each rotary blade 7, and further, in order to further save the cooling time, one end of the rotating shaft 5 close to each rotating blade 7 is fixedly sleeved with a first external gear 22, the inner wall of the cooling chamber 3 is rotatably connected with a rotating shaft 23, one end of the rotating shaft 23 is provided with a plurality of rotating pieces 24, the outer wall of the rotating shaft 23 is fixedly sleeved with a second external gear 25 engaged with the first external gear 22, each rotating piece 24 and each rotating blade 7 are respectively and uniformly arranged on the rotating shaft 5 and the rotating shaft 23, the small motor 17 is started, and at the same time when the small motor 17 drives the rotating shaft 5 and the first external gear 22 to rotate, the second external gear 25 drives the rotating shaft 23 and each rotating sheet 24 to rotate at a high speed, so that the waste gas cooling efficiency is improved, and the cooling time is saved.

Referring to fig. 3-4, in order to make the cooling of the exhaust gas more sufficient and thorough, the outlet pipe 8 is sleeved with an outlet pipe 18 located in the exhaust gas purification chamber 9, the outer wall of the outlet pipe 18 is provided with a plurality of exhaust holes 19, the inner wall of the outlet pipe 8 is connected with a sliding plate 20 through an expansion member 21 in a sliding manner, the expansion member 21 drives the sliding plate 20 to slide out or slide into the outlet pipe 8, the expansion member 21 comprises a first expansion pipe 211 and a second expansion pipe 212, the second expansion pipe 212 is movably inserted into the first expansion pipe 211, the second expansion pipe 212 is connected in the first expansion pipe 211 in a sliding manner, one end of the first expansion pipe 211 is arranged on the inner wall of the outlet pipe 18, one end of the second expansion pipe 212 is connected to the sliding plate 20, when the gas in the cooling chamber 3 reaches a certain pressure, the sliding plate 20 is driven to move towards the first expansion pipe 211, then the first expansion pipe 211 slides in the second expansion pipe 212, when the sliding plate 20 slides out of the outlet pipe, the gas in the cooling chamber 3 is discharged from the exhaust hole 19, the burning time of the waste gas in the burning chamber is prolonged, when the gas in the cooling chamber 3 is discharged, the second telescopic pipe 212 can rapidly drive the sliding plate 20 to slide into the gas outlet pipe 8, and the second telescopic pipe 212 plays a guiding role in the movement of the sliding plate 20, thereby being convenient for the next use.

Referring to fig. 3, the tail gas pipe 10 is provided with a tail gas detector 26 for detecting that the gas discharged from the tail gas pipe 10 is suitable for meeting the emission standard.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims (7)

1. The utility model provides a take tail gas processing apparatus's diesel engine, includes diesel engine (1) and diesel engine (1) intake pipe (2), characterized by: one end of the air inlet pipe (2) is connected with a cooling chamber (3), the outer wall of the cooling chamber (3) is provided with a cold air pipe (4), the cold air pipe (4) is connected with a refrigerator (6), the outer wall of the cooling chamber (3) is rotatably connected with a rotating shaft (5), one end of the rotating shaft (5) is provided with a plurality of rotating blades (7), the other end of the rotating shaft is provided with a rotating part for driving the rotating shaft (5) to rotate, one side of the cooling chamber (3) facing away from the air inlet pipe (2) is provided with an air outlet pipe (8), the air outlet pipe (8) is connected with a tail gas purification chamber (9), one side of the tail gas purification chamber (9) facing away from the air outlet pipe (8) is provided with a tail gas pipe (10), each outer wall of the tail gas purification chamber (9) is arranged in a hollow manner, a power supply (11) is arranged above the outer wall of the tail gas purification chamber (9), and the outer wall of the tail gas purification chamber (9) is provided with a high-voltage electrode (12), the tail gas clean room (9) just is equipped with telluric electricity field (13) in the diapire to high voltage electrode (12), telluric electricity field (13) and high voltage electrode (12) opposite one side all are equipped with insulating layer (14), two form discharge channel (15) between insulating layer (14), be equipped with filter screen (16) in cooling chamber (3).

2. A diesel engine with an exhaust gas treatment device according to claim 1, characterized in that: the rotary member comprises a small motor (17) fixed to the cooling chamber (3) by means of a mounting plate (27), the small motor (17) being connected to the end of the shaft (5) remote from the respective rotary blade (7).

3. A diesel engine with an exhaust gas treatment device according to claim 1, characterized in that: the exhaust pipe (18) positioned in the tail gas purification chamber (9) is sleeved outside the exhaust pipe (8), a plurality of exhaust holes (19) are formed in the outer wall of the exhaust pipe (18), the inner wall of the exhaust pipe (8) is connected with a sliding plate (20) in a sliding mode through an expansion piece (21), and the expansion piece (21) drives the sliding plate (20) to slide out or slide into the exhaust pipe (8).

4. A diesel engine with an exhaust gas treatment device according to claim 3, wherein: the telescopic part (21) comprises a first telescopic pipe (211) and a second telescopic pipe (212), the second telescopic pipe (212) is movably arranged in the first telescopic pipe (211) in a penetrating mode, the second telescopic pipe (212) is connected in the first telescopic pipe (211) in a sliding mode, one end of the first telescopic pipe (211) is arranged on the inner wall of the discharge pipe (18), and one end of the second telescopic pipe (212) is connected to the sliding plate (20).

5. A diesel engine with an exhaust gas treatment device according to claim 1, characterized in that: the fixed cover of one end that pivot (5) are close to each rotating vane (7) is equipped with first external gear (22), cooling chamber (3) inner wall rotates and is connected with rotation axis (23), the one end of rotation axis (23) is equipped with a plurality of rotor plates (24), the fixed cover of rotation axis (23) outer wall is equipped with second external gear (25) of meshing on first external gear (22).

6. A diesel engine with an exhaust gas treatment device according to claim 5, wherein: the rotating sheets (24) and the rotating blades (7) are respectively and uniformly arranged on the rotating shaft (5) and the rotating shaft (23).

7. A diesel engine with an exhaust gas treatment device according to claim 1, characterized in that: and a tail gas detector (26) is arranged on the tail gas pipe (10).

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