CN220505144U

CN220505144U - Tail gas cooling machine for diesel engine

Info

Publication number: CN220505144U
Application number: CN202322271662.XU
Authority: CN
Inventors: 黄中禹; 蒋进; 黄兴华
Original assignee: Zhenjiang Huakang Power Equipment Co ltd
Current assignee: Zhenjiang Huakang Power Equipment Co ltd
Priority date: 2023-08-23
Filing date: 2023-08-23
Publication date: 2024-02-20
Anticipated expiration: 2033-08-23

Abstract

The utility model discloses a diesel engine tail gas cooling machine, and relates to the technical field of diesel engines. This diesel engine tail gas cooling machine includes: the air inlet is provided with a protective shell at the front end, a baffle plate is arranged in the protective shell, a supporting rod is arranged in the other side of the protective shell, a fan blade is arranged in the middle of the supporting rod, the other side of the protective shell is connected with a tail gas pipe, a leakage-proof piece is arranged outside the tail gas pipe, a connecting pipe is arranged on the other side of the tail gas pipe, and the other end of the connecting pipe is connected with a water cooling device; through the setting of water cooling plant, water cooling plant comprises ventilating board, condensation piece, hydraulic condenser pipe and circulating pipe etc. and the heat in the tail gas can be absorbed to the heat absorption net, and the heat conduction piece can shift the heat in the heat absorption net, and condensation piece and hydraulic condenser pipe mutually support and cool down for the heat conduction piece, because the water in the cooling condensation piece passes through the circulating pipe, utilizes the fan to cool down, and the rotation number of fan can be controlled to the dwang.

Description

Tail gas cooling machine for diesel engine

Technical Field

The utility model relates to the technical field of diesel engines, in particular to a diesel engine tail gas cooling machine.

Background

With the development of society and the increase of productivity, automobiles have become an indispensable part of life, and diesel engines have become an important production and transportation source that is becoming more and more popular, but automobile exhaust has caused great trouble to our lives. In order to make our life better, reduce the pollution to the environment, the waste gas that produces in the course of making reasonable use of diesel engine operation is the responsibility of mankind and environmental safety, through using diesel engine tail gas cooling function to reduce the emission of automobile exhaust, thus reach the purpose of protecting the environment.

The prior art can refer to the publication number: CN 218324996U' S chinese patent utility model discloses a diesel engine tail gas cooling machine, including cooling box, filtration frame and refrigerator, be equipped with unable adjustment base under the cooling box, be equipped with the baffle in the cooling box, be equipped with the conveyer pipe in the cooling box, the conveyer pipe is installed in one side of baffle, conveyer pipe one end is installed on the cooling box, the conveyer pipe is kept away from the one end of installing at the cooling box and is installed on the baffle, can conveniently clean the granule in the tail gas when using, and the filtration frame can be dismantled, clean or the change of remembering, has improved the availability factor of device, and the conveyer pipe is the S shape, can increase cooling time, improves cooling efficiency, sets up the refrigerator simultaneously and cools down once more to the tail gas.

At present, the tail gas temperature that current diesel engine produced is too high, makes spare part temperature on every side rise easily, reduces its life, has increased the potential safety hazard simultaneously, and current tail gas cooling mode is cooling inefficiency when the weather is hot, leads to the cooling not thoroughly enough, and because the uneven potential safety hazard that appears very easily of cold and hot.

Disclosure of Invention

The utility model aims to overcome the problems of low cooling efficiency and incomplete cooling efficiency of the tail gas cooling machine of the diesel engine in the prior art when the temperature of the tail gas of the diesel engine is too high, and provides the tail gas cooling machine of the diesel engine, which has the advantages of multiple cooling and uniform temperature distribution.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a diesel engine exhaust gas temperature reducing machine comprising: the air inlet is provided with a protective shell at the front end, a baffle plate is arranged in the protective shell, a supporting rod is arranged in the other side of the protective shell, a fan blade is arranged in the middle of the supporting rod, the other side of the protective shell is connected with a tail gas pipe, a leakage-proof piece is arranged outside the tail gas pipe, a connecting pipe is arranged on the other side of the tail gas pipe, and the other end of the connecting pipe is connected with a water cooling device;

the water cooling device comprises: install in the mounting is installed to the connecting pipe other end, the mounting left side is equipped with the fan frame, and fan frame center is connected with the dwang, the dwang periphery is equipped with the fan, and the fan both sides are equipped with the ventilating board, the mounting right side is equipped with the condensation piece, and the condensation piece inboard is equipped with the hydraulic condenser pipe, condensation piece inner wall center is equipped with the recess, the outside left side of condensation piece is equipped with the circulating pipe, the recess is inside to be gomphosis with the heat-conducting member, and the heat-conducting member both sides are equipped with the intercommunication groove, the heat-conducting member front end is equipped with the heat absorption net, and the heat absorption net front end is equipped with the blast pipe.

In a preferred embodiment, it is characterized in that: five baffles are distributed at equal intervals along the inside of the protective shell, and the baffles are arranged alternately up and down.

In a preferred embodiment, it is characterized in that: the diameter of the air inlet is consistent with that of the fan blade, and the air inlet and the fan blade are positioned on the same straight line.

In a preferred embodiment, it is characterized in that: the inner diameter of the leakage-proof piece is the same as the outer diameter of the tail gas pipe, and the inner surface of the leakage-proof piece is closely attached to the outer surface of the tail gas pipe.

In a preferred embodiment, it is characterized in that: the fixing piece is fixedly connected with the fan frame, and the fan frame and the ventilation plate are of an embedded structure.

In a preferred embodiment, it is characterized in that: the inner wall of the groove has the same size as the outer surface of the heat conducting piece, and the inner surface of the groove is tightly attached to the outer surface of the heat conducting piece.

In a preferred embodiment, it is characterized in that: the both sides of hydraulic pipe are the arc, and the surface of hydraulic pipe closely laminates with the internal surface of intercommunication groove.

In a preferred embodiment, it is characterized in that: the condensing part is connected with the circulating pipe in a jogged way, and the external structure of the circulating pipe is formed by a plurality of U-shaped structures.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the arrangement of the water cooling device, the water cooling device is composed of a ventilating plate, a condensation piece, a water condensation pipe, a circulating pipe and the like, the heat absorption net can absorb heat in tail gas, so that the tail gas is cooled, the heat conduction piece can transfer the heat in the heat absorption net, the heat absorption net cannot overheat due to long-time absorption of the heat of the tail gas, the heat absorption efficiency is reduced, the condensation piece and the water condensation pipe are made of graphene materials, the condensation piece and the water condensation pipe cool the heat conduction piece in a heat conduction mode, water in the condensation piece cools the heat conduction piece through the circulating pipe, the rotating rod can control the rotating speed of the fan, and the heat dissipation purpose is achieved through the interaction of air cooling and water cooling.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a diesel engine exhaust cooler according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a cooling device of a diesel engine exhaust cooling machine according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a fixing member of an exhaust gas temperature reducing device for a diesel engine according to an embodiment of the present utility model;

fig. 4 is a schematic diagram of a water cooling device of a diesel engine exhaust cooling machine according to an embodiment of the present utility model.

1. An air inlet; 101. a protective shell; 102. a baffle plate; 103. a fan blade; 104. a support rod; 105. a leakage preventing member; 106. a tail gas pipe; 107. a connecting pipe; 2. a fixing member; 201. a fan frame; 202. a rotating lever; 203. a fan; 204. a ventilation board; 3. a condensing member; 301. a hydraulic condenser tube; 302. a groove; 303. a circulation pipe; 304. a heat conductive member; 305. a communication groove; 306. a heat absorbing mesh; 307. and an exhaust pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

referring to fig. 1-4, in this embodiment, a diesel engine exhaust gas temperature reducing machine includes: the air inlet 1, the front end of the air inlet 1 is provided with a protective shell 101, the protective shell 101 is internally provided with baffle plates 102, the baffle plates 102 are distributed in five at equal intervals along the interior of the protective shell 101, the baffle plates 102 are arranged alternately up and down, the other side of the protective shell 101 is internally provided with a support rod 104, the middle of the support rod 104 is provided with a fan blade 103, the diameter of the air inlet 1 is consistent with that of the fan blade 103, the air inlet 1 and the fan blade 103 are positioned on the same straight line, the other side of the protective shell 101 is connected with an exhaust pipe 106, the exterior of the exhaust pipe 106 is provided with a leakage-proof part 105, the inner diameter of the leakage-proof part 105 is the same as the outer diameter of the exhaust pipe 106, the inner surface of the leakage-proof part 105 is tightly attached to the outer surface of the exhaust pipe 106, the other side of the exhaust pipe 106 is provided with a connecting pipe 107, and the other end of the connecting pipe 107 is connected with a water cooling device;

in this embodiment, the baffle 102 is installed inside the protective casing 101 and can effectively lengthen the tail gas length, the tail gas is discharged through the cooperation of the fan blade 103 and the air inlet 1 to prevent surplus, the leakage-proof piece 105 is installed outside the tail gas pipe 106, the inner surface of the leakage-proof piece 105 is tightly attached to the outer surface of the tail gas pipe 106, the tail gas can be effectively prevented from leaking, and the tail gas enters the water cooling device through the tail gas pipe 106 to carry out secondary cooling.

Example two

As shown in fig. 1 to 3, based on the same concept as that of the above-described embodiment 1, this embodiment also proposes that the water cooling apparatus includes: the fixing piece 2 is installed at the other end of the connecting pipe 107, the left side of the fixing piece 2 is provided with the fan frame 201, the center of the fan frame 201 is connected with the rotating rod 202, the fixing piece 2 is fixedly connected with the fan frame 201, the fan frame 201 and the ventilating plate 204 are of an embedded structure, the periphery of the rotating rod 202 is provided with the fan 203, two sides of the fan 203 are provided with the ventilating plate 204, the right side of the fixing piece 2 is provided with the condensing piece 3, the inner side of the condensing piece 3 is provided with the hydraulic condenser 301, the center of the inner wall of the condensing piece 3 is provided with the groove 302, the left side of the outer part of the condensing piece 3 is provided with the circulating pipe 303, the condensing piece 3 is in embedded connection with the circulating pipe 303, the outer structure of the circulating pipe 303 is formed by a plurality of U shapes, the inside of the groove 302 is embedded with the heat conducting piece 304, two sides of the heat conducting piece 304 are provided with the communicating grooves 305, two sides of the hydraulic condenser 301 are arc-shaped, the outer surface of the hydraulic condenser 301 is tightly attached to the inner surface of the communicating groove 305, the inner wall of the groove 302 is the same as the outer surface of the heat conducting piece 304, the inner surface of the groove 302 is tightly attached to the outer surface of the heat conducting piece 304, the front end of the heat absorbing piece 304 is provided with the mesh 306, and the front end of the heat absorbing mesh 306 is provided with the exhaust pipe 307.

In this embodiment, the fan frame 201 and the ventilation board 204 are of a jogged structure, and can be replaced after the ventilation board 204 is used for a long time, the condensation piece 3 is installed on the left side of the fixing piece 2, the external structure of the circulation pipe 303 is a plurality of U-shaped components, the windward area of water flow is increased, the cooling efficiency is improved, the two sides of the hydraulic pipe 301 are arc-shaped, damage caused by collision can be effectively prevented, and the heat absorbing net 306 is installed at the tail end of the exhaust pipe 307 and can effectively absorb the heat of tail gas.

Working principle: firstly, exhaust gas generated by a diesel engine enters from an air inlet 1, the circulation distance of the exhaust gas is increased through an alternate structure of a baffle plate 102, heat accumulation is effectively prevented by a protective shell 101, the exhaust gas is effectively prevented from influencing external parts by the internal temperature, the exhaust gas is sucked into an exhaust gas pipe 106 through the rotation of a fan blade 103, a leakage prevention piece 105 for preventing exhaust gas leakage in the process is arranged at the tail end of the exhaust gas pipe 106, when the exhaust gas enters into the tail end of an exhaust pipe 307, heat in the exhaust gas is absorbed through a heat absorption net 306, the heat absorption net 306 is made of graphene, the heat is sucked into a heat conduction piece 304 through the principle of small heat resistance, the heat conduction piece 304 embedded in a groove 302 is cooled through the water flow in a condensation piece 3 and a water condensation pipe 301, the generated heat energy is brought into a circulation pipe 303 through the water flow, the heat radiation area is increased due to the U-shaped structure of the circulation pipe 303, meanwhile, the fan 203 positioned at the left side of the fixed piece 2 is subjected to wind speed control through a rotating rod 202, the rotating speed of the fan 203 can be effectively protected by a ventilation plate 204, the service life of the fan 203 is prolonged, and the fan 203 and the ventilation plate 204 can be replaced with the ventilation plate 204 after the fan 201 is mutually replaced.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A diesel engine exhaust gas temperature reducing machine, comprising: the air inlet (1), the protective housing (101) is installed at the front end of the air inlet (1), the baffle plate (102) is installed inside the protective housing (101), the supporting rod (104) is arranged inside the other side of the protective housing (101), the fan blades (103) are arranged in the middle of the supporting rod (104), the other side of the protective housing (101) is connected with the tail gas pipe (106), the leakage-proof piece (105) is arranged outside the tail gas pipe (106), the connecting pipe (107) is arranged on the other side of the tail gas pipe (106), and the other end of the connecting pipe (107) is connected with the water cooling device;

the water cooling device comprises: install in mounting (2) are installed to connecting pipe (107) other end, mounting (2) left side is equipped with fan frame (201), and fan frame (201) center is connected with dwang (202), fan (203) are equipped with in dwang (202) periphery, and fan (203) both sides are equipped with ventilating board (204), mounting (2) right side is equipped with condensation piece (3), and condensation piece (3) inboard is equipped with water condensing tube (301), condensation piece (3) inner wall center is equipped with recess (302), condensation piece (3) outside left side is equipped with circulating pipe (303), recess (302) inside gomphosis with heat conduction piece (304), and heat conduction piece (304) both sides are equipped with intercommunication groove (305), heat conduction piece (304) front end is equipped with heat absorption net (306), and heat absorption net (306) front end is equipped with blast pipe (307).

2. A diesel engine exhaust cooler according to claim 1, wherein: five baffles (102) are equidistantly distributed along the inside of the protective shell (101), and the baffles (102) are alternately arranged up and down.

3. A diesel engine exhaust cooler according to claim 1, wherein: the diameter of the air inlet (1) is consistent with that of the fan blade (103), and the air inlet (1) and the fan blade (103) are positioned on the same straight line.

4. A diesel engine exhaust cooler according to claim 1, wherein: the inner diameter of the leakage-proof piece (105) is the same as the outer diameter of the tail gas pipe (106), and the inner surface of the leakage-proof piece (105) is closely attached to the outer surface of the tail gas pipe (106).

5. A diesel engine exhaust cooler according to claim 1, wherein: the fixing piece (2) is fixedly connected with the fan frame (201), and the fan frame (201) and the ventilation plate (204) are of an embedded structure.

6. A diesel engine exhaust cooler according to claim 1, wherein: the inner wall of the groove (302) has the same size as the outer surface of the heat conducting piece (304), and the inner surface of the groove (302) is closely attached to the outer surface of the heat conducting piece (304).

7. A diesel engine exhaust cooler according to claim 1, wherein: both sides of the hydraulic pipe (301) are arc-shaped, and the outer surface of the hydraulic pipe (301) is tightly attached to the inner surface of the communication groove (305).

8. A diesel engine exhaust cooler according to claim 1, wherein: the condensing part (3) is connected with the circulating pipe (303) in a jogged way, and the external structure of the circulating pipe (303) is formed by a plurality of U-shaped structures.