CN219431922U

CN219431922U - Novel explosion-proof diesel engine

Info

Publication number: CN219431922U
Application number: CN202320446576.5U
Authority: CN
Inventors: 曹桂宝; 张洪波; 高永峰; 周宇; 贾云皓; 韩旭
Original assignee: Zibo Aike Industrial And Mining Machinery Co ltd
Current assignee: Zibo Aike Industrial And Mining Machinery Co ltd
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2023-07-28
Anticipated expiration: 2033-03-06

Abstract

The utility model relates to a novel explosion-proof diesel engine, comprising: diesel engine body, its characterized in that: the flame-out exhaust system is connected with the exhaust pipe of the diesel engine; the flame-out exhaust system includes: a first deflector and a second deflector contained in the housing; the flame detector and the one-way valve are arranged on the shell, and an air inlet and an air outlet are respectively arranged at two ends of the shell; according to the utility model, the flow direction of tail gas is changed and the exhaust distance of the tail gas is increased by arranging the guide plate in the flame-extinguishing exhaust system, so that the combustion consumption process of combustible gas in the exhaust pipe is prolonged; through the linkage of the flame detector and the one-way valve, the flame is timely isolated from external combustible gas by using inert gas so as to prevent the flame from being outwards diffused; the structure prevents the tail flame of the diesel engine from contacting with the combustible gas in the external environment, thereby realizing the explosion-proof function.

Description

Novel explosion-proof diesel engine

[ field of technology ]

The utility model relates to a novel explosion-proof diesel engine, and belongs to the technical field of diesel engines.

[ background Art ]

The explosion-proof diesel engine is a core component of the mining explosion-proof vehicle, and the main working principle of the explosion-proof diesel engine is to isolate external combustible gas from the combustion process in the diesel engine so as to prevent the running diesel engine from detonating the combustible gas in the mine; when the diesel engine is in the mine working environment, the sprayed flame is extremely easy to detonate the outside inflammable gas, so that casualties and property loss are caused.

[ utility model ]

According to the defects in the related art, the technical problems to be solved by the utility model are as follows: in order to solve the problem of flame sprayed out of the exhaust pipe of the diesel engine, a novel explosion-proof diesel engine is provided.

The utility model relates to a novel explosion-proof diesel engine, which comprises: diesel engine body, its characterized in that: the flame-out exhaust system is connected with the exhaust pipe of the diesel engine;

the flame-out exhaust system includes: a first deflector and a second deflector contained in the housing; the flame detector and the one-way valve are arranged on the shell, and an air inlet and an air outlet are respectively arranged at two ends of the shell.

Optionally, the first guide plate is concave and is provided with an exhaust hole in the center, the concave surface of the first guide plate faces the air inlet, and the outer edge of the second guide plate is uniformly provided with grooves;

the outer edge of the first guide plate is in closed connection with the inner surface of the shell; the axes of the second guide plate and the first guide plate are horizontal and are collinear;

the first guide plates and the second guide plates are arranged in a staggered mode, and a gas chamber is formed between the first guide plates and the second guide plates.

Optionally, the flame detector detection end is disposed inside the gas chamber.

Optionally, the one-way valve is disposed on the housing and is in communication with the gas chamber, and the one-way valve controls a direction away from the gas chamber.

Optionally, the flame detector and the one-way valve are arranged at positions which are sequentially far away from the air inlet along the axial direction of the shell.

Optionally, the one-way valve, the electromagnetic valve and the inert gas storage device are connected in series through pipelines in sequence; the flame detector and the electromagnetic valve are electrically connected with the vehicle-mounted control unit.

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

according to the novel explosion-proof diesel engine, the flow direction of tail gas is changed and the exhaust distance of the tail gas is increased by arranging the guide plate in the flame-extinguishing exhaust system, so that the combustion consumption process of combustible gas in the exhaust pipe is prolonged; through the linkage of the flame detector and the one-way valve, the flame is timely isolated from external combustible gas by using inert gas so as to prevent the flame from being outwards diffused; the structure prevents the tail flame of the diesel engine from contacting with the combustible gas in the external environment, thereby realizing the explosion-proof function.

[ description of the drawings ]

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.

Fig. 1: the structure of the utility model is schematically shown;

fig. 2: a schematic structural diagram of the flame-out exhaust system;

in the figure:

1. the flame detector comprises a shell, an air inlet 1.1, a flame detector 1.2, a one-way valve 1.3, an air outlet 1.4, a first guide plate 1.5, an air outlet 1.51, a second guide plate 1.6 and a groove 1.61.

[ detailed description ] of the utility model

The utility model is further described with reference to the drawings and detailed description which follow:

the present utility model is further illustrated by the following examples, which are not intended to be limiting, but any modifications, equivalents, improvements, etc. within the spirit and principles of the present utility model are intended to be included within the scope of the present utility model.

As shown in fig. 1-2, the novel explosion-proof diesel engine comprises: the diesel engine is characterized in that: the device also comprises a flame-out exhaust system connected with the diesel engine;

the flame-out exhaust system includes: a first deflector 1.5 and a second deflector 1.6 contained in the shell 1; the flame detector 1.2 and the one-way valve 1.3 are arranged on the shell 1, and an air inlet 1.1 and an air outlet 1.4 are respectively arranged at two ends of the shell 1.

In the embodiment, the shell 1 is a cylinder made of high-temperature resistant stainless steel, the air inlet 1.1 is arranged in the center of the end face of the shell 1, and the air outlet 1.4 is arranged on the side face of the shell 1; the first guide plate 1.5 and the second guide plate 1.6 are made of high-temperature resistant stainless steel.

The first guide plate 1.5 is concave-sheet-shaped, the center of the first guide plate is provided with an exhaust hole 1.51, the concave surface of the first guide plate 1.5 faces the air inlet 1.1, the outer edge of the second guide plate 1.6 is uniformly provided with a groove 1.61, the outer edge of the second guide plate 1.6 is welded on the inner wall of the shell 1, and a gas channel is formed between the groove 1.61 and the inner wall;

the outer edge of the first guide plate 1.5 is welded with the inner surface of the shell 1; the axes of the second guide plate 1.6, the first guide plate 1.5 and the shell 1 are horizontal and collinear;

the first guide plates 1.5 and the second guide plates 1.6 are arranged in a staggered mode, and a gas chamber is formed between the first guide plates 1.5 and the second guide plates 1.6; in this embodiment the first baffle 1.5 is arranged in a first position close to the inlet 1.1; in this embodiment, the first baffle 1.5 and the second baffle 1.6 are respectively three groups for forming five chambers, and the 1 st, 2 nd, 3 rd, 4 th and 5 th gas chambers are respectively from the gas inlet 1.1 to the gas outlet 1.4.

The detection end of the flame detector 1.2 is arranged in the 3 rd gas chamber; the one-way valve 1.3 is arranged on the shell 1 and communicated with the 5 th gas chamber, and the direction of the air flow of the one-way valve 1.3 is that the outside flows into the gas chamber.

The explosion-proof diesel engine in the embodiment takes the application of the explosion-proof diesel engine on the mining explosion-proof vehicle as the background; further, the one-way valve 1.3 is connected with the electromagnetic valve and the inert gas storage device in series through pipelines; the flame detector 1.2 and the electromagnetic valve are electrically connected with the vehicle-mounted control unit; the one-way valve 1.3 is a mechanical one-way valve controlled by a hard spring; the inert gas adopts nitrogen, and the vehicle-mounted storage state of the inert gas is bottled liquid nitrogen.

When the flame-extinguishing exhaust system is installed on a diesel engine, an air inlet 1.1 is connected with an exhaust pipe orifice of the diesel engine, when the diesel engine runs, tail gas enters a shell 1 and is blocked by a first guide plate 1.5, air flow is limited to pass through an exhaust hole 1.51, further air flow enters a 1 st air chamber and is opposite to a second guide plate 1.6 and is blocked by the second guide plate, the air flow flows to a groove 1.61 along the end face of the second guide plate 1.6, the process is circulated again through the groove 1.61, the air chamber lengthens the flowing distance of the air flow, the air flow disturbance effect is increased, and after the combustible gas passes through the chamber, the energy consumption of the combustible gas is increased, so that the flame-extinguishing effect is achieved;

when the diesel engine runs at high power, flame in the gas chamber further extends outwards, at the moment, the flame detector 1.2 in the tail end chamber is triggered, the vehicle-mounted control unit receives an instruction to control the electromagnetic valve of the inert gas pipeline to be conducted, inert gas passes through the one-way valve 1.3 to enter the chamber under a high pressure state, the extending flame is surrounded, a gas protection cover for isolating the flame from the outside air is formed, and meanwhile, the low temperature of the gas also absorbs part of the energy of the flame; through the two processes, the flame-extinguishing exhaust system provides guarantee for realizing explosion prevention of the diesel engine.

The foregoing has shown and described the basic principles, main features and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel explosion-proof diesel engine, includes diesel engine body, its characterized in that: the flame-out exhaust system is connected with the exhaust pipe of the diesel engine;

the flame-out exhaust system includes: a first deflector (1.5) and a second deflector (1.6) contained in the shell (1); the flame detector is characterized in that the flame detector (1.2) and the one-way valve (1.3) are arranged on the shell (1), and an air inlet (1.1) and an air outlet (1.4) are respectively arranged at two ends of the shell (1).

2. A novel explosion-proof diesel engine according to claim 1, wherein:

the first guide plate (1.5) is concave-sheet-shaped, the center of the first guide plate is provided with an exhaust hole (1.51), the concave surface of the first guide plate (1.5) faces the air inlet (1.1), and the outer edge of the second guide plate (1.6) is uniformly provided with grooves (1.61);

the outer edge of the first guide plate (1.5) is in closed connection with the inner surface of the shell (1); the axes of the second guide plate (1.6) and the first guide plate (1.5) are horizontal and are collinear;

the first guide plates (1.5) and the second guide plates (1.6) are arranged in a staggered mode, and a gas chamber is formed between the first guide plates (1.5) and the second guide plates (1.6).

3. A novel explosion-proof diesel engine according to claim 2, wherein:

the flame detector (1.2) detection end is arranged inside the gas chamber.

4. A novel explosion-proof diesel engine according to claim 2, wherein:

the one-way valve (1.3) is arranged on the shell (1) and is communicated with the gas chamber, and the one-way valve (1.3) controls the direction to deviate from the gas chamber.

5. A novel explosion-proof diesel engine according to claim 1, wherein:

the flame detector (1.2) and the one-way valve (1.3) are arranged at positions which are sequentially far away from the air inlet (1.1) along the axial direction of the shell (1).

6. A novel explosion-proof diesel engine according to claim 1, wherein:

the one-way valve (1.3) is connected with the electromagnetic valve and the inert gas storage device in series through pipelines in sequence; the flame detector (1.2) and the electromagnetic valve are electrically connected with the vehicle-mounted control unit.