Explosion-proof exhaust pipe for explosion-proof diesel engine

Abstract

The utility model discloses an explosion-proof exhaust pipe for an explosion-proof diesel engine, and relates to the technical field of explosion-proof diesel engines. Comprising a pipe body, one end of the pipe body is provided with an air inlet port, the other end of the pipe body is provided with an air outlet port, and a water cooling assembly is arranged on the outer side of the pipe body and comprises a first water cooling half pipe installed at the top of the pipe body and a second water cooling half pipe installed at the bottom of the pipe body; second end plates are symmetrically fixed to the end of the second water-cooling half pipe, and first connecting extension plates are symmetrically fixed to the front face side and the back face side of the first water-cooling half pipe. Through the arrangement of the water cooling assembly and the spiral heat dissipation fins, the spiral heat dissipation fins are used for conveying heat of the pipe body into the water cooling cavity and connecting the water inlet pipe and the water outlet pipe, so that water enters the water cooling cavity through the water inlet pipe and then is discharged out of the water outlet pipe, it is guaranteed that heat is taken out, cooling gas is discharged out of the pipe body, and the cooling effect is improved. And certain use safety is improved.

Description

Technical Field

[0001] This utility model relates to the field of explosion-proof diesel engine technology, specifically to an explosion-proof exhaust pipe for an explosion-proof diesel engine. Background Technology

[0002] An explosion-proof diesel engine is a diesel engine with explosion-proof function, which is usually used in flammable and explosive environments, such as petroleum, chemical and mining industries. Its main feature is that through special design, it avoids the generation of sparks, electric arcs or high-temperature surfaces during operation, thereby preventing explosions or fires. Explosion-proof exhaust pipes are required during the operation of explosion-proof diesel engines.

[0003] An explosion-proof exhaust pipe for an explosion-proof diesel engine (authorization announcement number: CN220015320U) has a pressure relief device that is in a flowing state, quickly releasing gas pressure to avoid excessive internal pressure in the explosion-proof exhaust pipe, reducing the danger of use and making the explosion-proof exhaust pipe for the explosion-proof diesel engine safer and more reliable to use. However, explosion-proof diesel engines usually discharge high-temperature gas, which can pose a certain safety threat to users and needs to be cooled and discharged in a timely manner. Therefore, this utility model is proposed. Utility Model Content

[0004] The purpose of this invention is to provide an explosion-proof exhaust pipe for an explosion-proof diesel engine to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an explosion-proof exhaust pipe for an explosion-proof diesel engine, comprising a pipe body, one end of which is configured as an air inlet port and the other end as an air outlet port. A water-cooling assembly is provided on the outside of the pipe body. The water-cooling assembly includes a first water-cooled half-pipe installed at the top of the pipe body and a second water-cooled half-pipe installed at the bottom. A first end plate is symmetrically fixed to the end of the first water-cooled half-pipe, and a second end plate is symmetrically fixed to the end of the second water-cooled half-pipe. A first connecting extension plate is symmetrically fixed to the front and back sides of the first water-cooled half-pipe, and a second connecting extension plate is symmetrically fixed to the front and back sides of the second water-cooled half-pipe. A water outlet pipe is connected to one side of the top of the first water-cooled half-pipe, and a water inlet pipe is connected to one side of the bottom of the second water-cooled half-pipe.

[0006] Preferably, a sealing strip is adapted to connect the first end plate and the outer wall of the tube body, a sealing strip is adapted to connect the second end plate and the outer wall of the tube body, and a sealing strip is adapted to connect the first connecting extension plate and the corresponding second connecting extension plate.

[0007] Preferably, a plurality of sealing plugs are sealed between the first connecting extension plate and the corresponding second connecting extension plate, and a switch valve is installed on both the inlet pipe and the outlet pipe.

[0008] Preferably, a pressure relief valve is provided on one side of the pipe body for pressure relief operation, and a pressure sensor is provided inside the pipe body for pressure monitoring.

[0009] Preferably, a spiral heat dissipation fin is connected and wound around the outer side of the middle part of the tube body, and the spiral heat dissipation fin is disposed in the water-cooling chamber formed by the first water-cooled half-tube and the second water-cooled half-tube.

[0010] Preferably, positioning rods are symmetrically fixed on the top and bottom surfaces of the outer wall of the tube, and positioning tubes are slidably sleeved on the outer ends of the positioning rods. The outer ends of the positioning tubes are respectively fixed on the inner arc surfaces of the first water-cooled half-pipe and the second water-cooled half-pipe.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] This explosion-proof diesel engine exhaust pipe, through the setting of water-cooling components and spiral heat dissipation fins, uses the spiral heat dissipation fins to transfer the heat of the pipe body to the water-cooling chamber. The inlet and outlet pipes are connected so that water enters the water-cooling chamber through the inlet pipe and is discharged from the outlet pipe, ensuring the removal of heat and allowing the pipe body to discharge cooling gas, thereby improving a certain degree of safety in use. Attached Figure Description

[0013] Figure 1 This is a first three-dimensional structural diagram of the present invention;

[0014] Figure 2 This is a schematic diagram of the second three-dimensional structure of the present invention;

[0015] Figure 3 This is a cross-sectional view of the present invention;

[0016] Figure 4 This is a schematic diagram of the three-dimensional disassembled structure of this utility model.

[0017] In the diagram: 1. Pipe body; 101. Air inlet port; 102. Air outlet port; 103. Pressure relief valve body; 104. Pressure sensor; 2. First water-cooled half-pipe; 201. First end plate; 202. First connecting extension plate; 203. Water outlet pipe; 3. Second water-cooled half-pipe; 301. Second end plate; 302. Second connecting extension plate; 303. Water inlet pipe; 4. Sealing bolt body; 5. Spiral heat dissipation fins; 6. Positioning rod; 601. Positioning tube. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] During the operation of explosion-proof diesel engines, explosion-proof exhaust pipes are required. The explosion-proof exhaust pipe provided by this utility model is specifically designed to cool down the discharged high-temperature gas to avoid safety threats caused by high-temperature gas. Before using this exhaust pipe, it is necessary to carry out preparatory work such as inspection to ensure the normal use of this exhaust pipe.

[0020] like Figures 1-4 As shown, this utility model provides a technical solution: an explosion-proof exhaust pipe for an explosion-proof diesel engine, including a pipe body 1, one end of the pipe body 1 is configured as an air inlet port 101, and the other end is configured as an air outlet port 102. A water-cooling assembly is provided on the outside of the pipe body 1. The water-cooling assembly includes a first water-cooled half-pipe 2 installed at the top of the pipe body 1 and a second water-cooled half-pipe 3 installed at the bottom. A first end plate 201 is symmetrically fixed at the end of the first water-cooled half-pipe 2, and a second end plate 301 is symmetrically fixed at the end of the second water-cooled half-pipe 3. A first connecting extension plate 202 is symmetrically fixed on the front and back sides of the first water-cooled half-pipe 2, and a second connecting extension plate 302 is symmetrically fixed on the front and back sides of the second water-cooled half-pipe 3. A water outlet pipe 203 is connected to one side of the top of the first water-cooled half-pipe 2, and a water inlet pipe 303 is connected to one side of the bottom of the second water-cooled half-pipe 3.

[0021] In this embodiment, a sealing strip is adapted to connect the first end plate 201 and the outer wall of the pipe body 1, a sealing strip is adapted to connect the second end plate 301 and the outer wall of the pipe body 1, a sealing strip is adapted to connect the first connecting extension plate 202 and the corresponding second connecting extension plate 302, and a plurality of sealing plugs 4 are sealed between the first connecting extension plate 202 and the corresponding second connecting extension plate 302. Switch valves are installed on both the inlet pipe 303 and the outlet pipe 203. The sealing plugs 4, the sealing strips and the switch valves are existing technologies.

[0022] In this embodiment, a pressure relief valve body 103 is provided on one side of the pipe body 1 for pressure relief operation of the pipe body 1. A pressure sensor 104 is provided inside the pipe body 1 for pressure monitoring. A spiral heat dissipation fin 5 is connected and wound around the outer side of the middle part of the pipe body 1. The spiral heat dissipation fin 5 is arranged in the water-cooling chamber formed by the first water-cooling half-pipe 2 and the second water-cooling half-pipe 3. It should be noted that the water outlet pipe 203 is located near the air inlet port 101, and the water inlet pipe 303 is located near the air outlet port 102. The spiral heat dissipation fin 5 is prior art and is used to dissipate heat from inside the pipe body 1. The pressure sensor 104 and the pressure relief valve body 103 are prior art.

[0023] In this embodiment, positioning rods 6 are symmetrically fixed on the top and bottom surfaces of the outer wall of the tube body 1. Positioning tubes 601 are slidably sleeved on the outer ends of the positioning rods 6. The outer ends of the positioning tubes 601 are respectively fixed on the inner arc surfaces of the first water-cooled half-pipe 2 and the second water-cooled half-pipe 3. Through the arrangement of the water-cooling components and the spiral heat dissipation fins 5, the spiral heat dissipation fins 5 are used to transport the heat of the tube body 1 to the water-cooling chamber. The inlet pipe 303 and the outlet pipe 203 are connected so that water enters the water-cooling chamber through the inlet pipe 303 and is discharged from the outlet pipe 203, ensuring the removal of heat and allowing the tube body 1 to discharge cooling gas, thereby improving the safety of use.

[0024] Working principle: When using this exhaust pipe, the pipe body 1 is connected so that the gas enters the pipe body 1 from the inlet port 101. After cooling, the gas is discharged from the outlet port 102. During the cooling process, the first water-cooled half-pipe 2 and the second water-cooled half-pipe 3 are sealed and installed on the pipe body 1 by the positioning rod 6 and the positioning tube 601. The water inlet pipe 303 and the water outlet pipe 203 are connected so that the water flows in the water-cooling chamber and the gas passes through the pipe body 1. The spiral heat dissipation fins 5 carry away the heat, and at the same time, the water flow carries away the heat, effectively cooling the discharged high-temperature gas.

[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended embodiments and their equivalents.

Claims

1. An explosion-proof exhaust pipe for an explosion-proof diesel engine, comprising a pipe body (1), characterized in that: One end of the pipe body (1) is set as an air inlet port (101) and the other end is set as an air outlet port (102). A water cooling assembly is provided on the outside of the pipe body (1). The water cooling assembly includes a first water cooling half pipe (2) installed on the top of the pipe body (1) and a second water cooling half pipe (3) installed at the bottom. A first end plate (201) is symmetrically fixed at the end of the first water cooling half pipe (2) and a second end plate (301) is symmetrically fixed at the end of the second water cooling half pipe (3). A first connecting extension plate (202) is symmetrically fixed on the front and back sides of the first water cooling half pipe (2) and a second connecting extension plate (302) is symmetrically fixed on the front and back sides of the second water cooling half pipe (3). A water outlet pipe (203) is connected to one side of the top of the first water cooling half pipe (2) and a water inlet pipe (303) is connected to one side of the bottom of the second water cooling half pipe (3).

2. The explosion-proof exhaust pipe for an explosion-proof diesel engine according to claim 1, characterized in that: A sealing strip is adapted to connect the first end plate (201) and the outer wall of the pipe body (1), a sealing strip is adapted to connect the second end plate (301) and the outer wall of the pipe body (1), and a sealing strip is adapted to connect the first connecting extension plate (202) and the corresponding second connecting extension plate (302).

3. The explosion-proof exhaust pipe for an explosion-proof diesel engine according to claim 1, characterized in that: Multiple sealing plugs (4) are sealed between the first connecting extension plate (202) and the corresponding second connecting extension plate (302). Switch valves are installed on both the inlet pipe (303) and the outlet pipe (203).

4. The explosion-proof exhaust pipe for an explosion-proof diesel engine according to claim 1, characterized in that: A pressure relief valve (103) is provided on one side of the pipe (1) for pressure relief operation of the pipe (1), and a pressure sensor (104) is provided inside the pipe (1) for pressure monitoring.

5. The explosion-proof exhaust pipe for an explosion-proof diesel engine according to claim 1, characterized in that: The outer side of the middle part of the tube body (1) is connected to a spiral heat dissipation fin (5), which is set in the water cooling chamber formed by the first water cooling half tube (2) and the second water cooling half tube (3).

6. The explosion-proof exhaust pipe for an explosion-proof diesel engine according to claim 1, characterized in that: The top and bottom surfaces of the outer wall of the tube (1) are symmetrically fixed with positioning rods (6), and the outer ends of the positioning rods (6) are slidably fitted with positioning tubes (601). The outer ends of the positioning tubes (601) are respectively fixed to the inner arc surfaces of the first water-cooled half-pipe (2) and the second water-cooled half-pipe (3).

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