CN210660318U

CN210660318U - Explosion-proof engine

Info

Publication number: CN210660318U
Application number: CN201920695978.2U
Authority: CN
Inventors: 罗晓明
Original assignee: Aegis Flameproof Technology Suzhou Co ltd
Current assignee: Aegis Flameproof Technology Suzhou Co ltd
Priority date: 2019-05-16
Filing date: 2019-05-16
Publication date: 2020-06-02
Anticipated expiration: 2029-05-16

Abstract

The utility model relates to an explosion-proof engine, including the engine and provide the generator of drive power for the engine to and the vehicle adapter who is connected with the engine drive, the vehicle adapter is driven through the starter motor, and the engine includes the engine jar, and the air intake system, exhaust system, cooling system, fuel oil system, lubricating system and the safety arrangement who carry out explosion-proof treatment that are connected with the engine jar; the air inlet system comprises an air inlet and air collecting box arranged on the air inlet end of the engine, and the air inlet and air collecting box is connected with an air filter through an air hose to introduce air into the air inlet end; the exhaust system comprises an exhaust pipe, an exhaust flame arrester and a spark arrester, wherein the exhaust pipe is connected with an exhaust port of the engine. The utility model provides an explosion-proof engine that can be suitable for in multiple environment can effectively completely cut off the impact force of explosion, the economic loss of equipment that has significantly reduced, further improves the security performance of engine.

Description

Explosion-proof engine

Technical Field

The utility model relates to an explosion-proof technical field, concretely relates to explosion-proof type drive arrangement technical field especially relates to explosion-proof engine.

Background

Explosion prevention refers to that the explosion-proof device can resist the impact force and heat of explosion and can still normally work without loss, so the explosion prevention is considered from three requirements, one of the requirements is limited, and the explosion is limited. The corresponding explosion-proof instrument and explosion-proof electrical equipment are selected, and the standard structures of the instrument comprise an explosion-proof type, an increased safety type, a positive pressure type, a sand filling type, an intrinsic safety type and an oil filling type.

In the prior art, mechanical equipment for production operation is often used in factories, construction areas and warehouses, a lot of equipment is expensive, and an engine in the existing equipment has no explosion-proof performance, so that the loss generated by explosion cannot be minimized in some special environments, and the explosion cannot be isolated. The engine is a more power source, and particularly in the automobile industry, the engine is a core component, and not only occupies a core position in action, but also has a larger weight in equipment value.

Therefore, in order to improve the explosion-proof performance and the utilization rate of the equipment, an explosion-proof engine which can be applied to various environments needs to be developed, the impact force of explosion can be effectively isolated, the economic loss of the equipment is greatly reduced, and the safety performance of the engine is further improved.

Disclosure of Invention

The utility model overcomes prior art's is not enough, provides an explosion-proof engine that can be suitable for in multiple environment, can effectively completely cut off the impact force of explosion, and the economic loss of equipment that has significantly reduced further carries the security performance of engine.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the explosion-proof engine comprises an engine, a generator and a vehicle adapter, wherein the generator provides driving force for the engine, the vehicle adapter is in driving connection with the engine, the vehicle adapter is driven by a starting motor, the engine comprises an engine cylinder, and an air inlet system, an exhaust system, a cooling system, a fuel system, a lubricating system and a safety protection device which are connected with the engine cylinder, and the air inlet system, the exhaust system, the cooling system, the fuel system, the lubricating system and the safety protection device are all subjected to explosion-proof treatment; the air inlet system comprises an air inlet and air collecting box arranged on the air inlet end of the engine, and the air inlet and air collecting box is connected with an air filter through an air hose to introduce air into the air inlet end; the exhaust system comprises an exhaust pipe connected with an exhaust port of the engine, and an exhaust flame arrester and a spark arrester which are sequentially connected with the exhaust pipe according to the exhaust direction.

The utility model discloses a preferred embodiment, cooling system includes, installs the radiator in engine one end, is provided with the fan between radiator and the engine, through generator drive belt drives the fan and rotates, is provided with upper water tank, coolant liquid circulation circuit in the radiator.

The utility model discloses a preferred embodiment, safety arrangement includes, sets up gear box temperature switch on the gear box, sets up coolant liquid temperature switch in the coolant liquid circulation circuit, sets up the tail gas temperature switch in exhaust system, protects the gear box temperature of engine, coolant liquid temperature, tail gas temperature respectively in real time.

The utility model discloses a preferred embodiment, coolant liquid circulation circuit provides the cooling energy for the cooling water of engine in the radiator, and radiator one end is passed through the engine inlet tube and is connected with the outlet valve of engine, the other end of radiator passes through the engine wet return and is connected with the wet return of engine.

In a preferred embodiment of the present invention, the engine is provided with an explosion-proof glow plug, and the explosion-proof glow plug is located at one side of the intake air collecting box, and the explosion-proof glow plug is inserted into the engine cylinder.

The utility model discloses a preferred embodiment, explosion-proof glow plug is provided with screw thread flame proof face with engine scarf joint fixed department, and explosion-proof glow plug twists the degree of depth and is greater than or equal to 10mm, and the joggle number is greater than or equal to 6 departments.

The utility model discloses a preferred embodiment is provided with explosion-proof terminal box on the engine, still be provided with the explosion-proof starting battery who is connected with the engine in the explosion-proof terminal box, explosion-proof starting battery is connected with the starter motor electricity.

In a preferred embodiment of the present invention, the exhaust system further comprises a cooler disposed at an exhaust port of the engine, and the cooling air is introduced into an air inlet of the cooler through an air inlet flange gasket of the cooler; the gas vent of cooler passes through cooler gas vent flange gasket and discharges gas, is provided with tail gas cooling water tank in the cooler, tail gas cooling water tank includes explosion-proof and water-cooled exhaust manifold and tail gas cooler.

The utility model discloses a preferred embodiment, be provided with exhaust temperature mounting flange between exhaust spark arrester and the spark arrester, be provided with tail gas temperature switch and tail gas temperature sensor on the exhaust temperature mounting flange.

In a preferred embodiment of the present invention, the outer fixing sleeve of the exhaust flame arrester is provided with a flame arrester heat insulation protective net.

The utility model provides a defect that exists among the background art, the beneficial effect of the utility model:

the utility model provides an explosion-proof engine that can be suitable for in multiple environment can effectively completely cut off the impact force of explosion, the economic loss of equipment that has significantly reduced, further improves the security performance of engine.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view from below of the present invention;

FIG. 3 is a schematic structural view of the glow plug of the present invention;

fig. 4 is a first schematic structural diagram of the exhaust system and the engine cylinder block of the present invention;

fig. 5 is a schematic structural diagram ii of the exhaust system and the engine cylinder body of the present invention;

FIG. 6 is a schematic cross-sectional view of the CU-CU in FIG. 4;

FIG. 7 is a schematic cross-sectional view of the CV-CV in FIG. 5;

FIG. 8 is a schematic cross-sectional view of the CW-CW of FIG. 4;

wherein, 1-engine, 2-generator, 3-air inlet stop valve gasket, 4-air inlet fire-resistant plate, 5-hexagon bolt, 6-air hose, 7-air filter, 8-stud bolt, 9-hexagon bolt, 10-triangle flange gasket, 11-elastic hose, 12-hexagon bolt, 13-hexagon nut, 14-exhaust pipe, 15-exhaust flame arrester gasket, 16-exhaust flame arrester, 17-spark arrester, 18-hexagon bolt, 19-hexagon nut, 20-radiator, 21-fan, 22-belt, 23-engine water inlet pipe, 24-cooler water inlet pipe, 25-engine water return pipe, 26-fan shield, 27-exhaust temperature fixing flange, 29-explosion-proof glow plug, 291-thread explosion-proof surface, 31-explosion-proof starting battery, 32-explosion-proof junction box, 33-explosion-proof electromagnetic directional valve, 34-air inlet gas collecting box, 35-air inlet gas collecting port flange gasket, 36-air inlet stop valve, 37-cooler air inlet flange gasket, 39-cooler air outlet flange gasket, 41-hexagon bolt, 42-starting motor, 43-water outlet valve, 47-engine cylinder, 48-plane explosion-proof joint surface and 49-vehicle adapter.

Detailed Description

The invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and illustrate, by way of illustration only, the basic structure of the invention, and which therefore show only the constituents relevant to the invention.

As shown in fig. 1 to 8, the present embodiment discloses an explosion-proof engine, which includes an engine 1, a generator 2 providing a driving force for the engine 1, and a vehicle adapter 49 in driving connection with the engine 1, wherein the vehicle adapter 49 is driven by a starter motor 42, the engine 1 includes an engine cylinder 47, and an intake system, an exhaust system, a cooling system, a fuel system, a lubrication system and a safety protection device which are connected with the engine cylinder 47, and the intake system, the exhaust system, the cooling system, the fuel system, the lubrication system and the safety protection device all perform explosion-proof treatment. Specifically, an explosion-proof junction box 32 is arranged on the engine 1, an explosion-proof starting battery 31 connected with the engine 1 is further arranged in the explosion-proof junction box 32, and the explosion-proof starting battery 31 is electrically connected with a starting motor 42.

As shown in fig. 1 and 2, the intake system includes an intake air collector box 34 provided at an intake end of the engine 1, and the intake air collector box 34 is connected to an air cleaner 7 through an air hose 6 to introduce air into the intake end. The air inlet and air collecting box 34 is connected with an air inlet of an engine cylinder 47 of the engine 1 through an air inlet and air collecting port flange gasket 35, a plurality of explosion-proof preheating plugs 29 are arranged on the engine 1, and the explosion-proof preheating plugs 29 are embedded into the engine cylinder 47 to preheat the engine cylinder 47. The embedded joint of the explosion-proof glow plug 29 and the engine 1 is provided with a thread explosion-proof surface 291, the screwing depth of the explosion-proof glow plug 29 is more than or equal to 10mm, and the number of joggles is more than or equal to 6. The explosion-proof glow plug 29 is also connected to an explosion-proof air inlet heater.

As shown in fig. 1, 2, 5 to 8, the exhaust system includes an exhaust gas collection box connected to an exhaust port of the engine 1, an exhaust pipe 14 connected to the exhaust gas collection box, an exhaust flame arrester 16 and a spark arrester 17 connected to the exhaust pipe 14 in sequence in the exhaust direction. Further, the exhaust pipe 14 is connected to an exhaust port of the engine through the elastic hose 11 and a metal connector. Furthermore, the exhaust system further includes a cooler disposed at an exhaust port of the engine 1, and an intake port of the cooler introduces gas to be exhausted through a cooler intake flange gasket 37; the gas outlet of the cooler discharges gas through a cooler gas outlet flange gasket 39, and a tail gas cooling water tank is arranged in the cooler and comprises an exhaust manifold and a tail gas cooler which have explosion-proof performance and are cooled by water. The tail gas cooling water tank is connected with the cooling system, and a cooling source is provided through the cooling system.

Specifically, the exhaust temperature fixing flange 27 is provided with the exhaust temperature switch and an exhaust temperature sensor. And sealing gaskets are arranged between the two ends of the exhaust temperature fixing flange 27 and the exhaust flame arrester 16 and the spark arrester 17. Further, the exhaust flame arrestor 16 employs an ILX tail gas flame arrestor. The exhaust pipe 14 is a dry type exhaust flexible pipe.

As shown in fig. 1 and 2, the cooling system includes a radiator 20 mounted at one end of the engine 1, a fan 21 is disposed between the radiator 20 and the engine 1, a belt 22 is driven by the generator 1 to drive the fan 21 to rotate, and an upper water tank and a coolant circulation line are disposed in the radiator 20. Furthermore, one end of the radiator 20 is connected with a water outlet valve 43 of the engine 1 through an engine water inlet pipe 23, the other end of the radiator 20 is connected with a water return valve of the engine 1 through an engine water return pipe 25, and cooling water pipelines of the tail gas cooling water tank and the upper water tank are cooled through a cooling liquid circulation line.

More specifically, tail gas cooling water tank is through the water pipe and cooling liquid circulation circuit for tail gas cooling, and the rivers after the heat absorption through engine inlet tube 23 after with the heat absorption are cooled down through radiator 20, then will cool down the water, through giving wet return 25 and introducing cooler inlet tube 24 and reentrant tail gas cooling water tank by the wet return, realize circulating water cooling.

As shown in fig. 1 to 8, the safety protection device includes a gear box temperature switch disposed on the gear box, a coolant temperature switch disposed in the coolant circulation line, and a tail gas temperature switch disposed in the exhaust system, and respectively protects the gear box temperature, the coolant temperature, and the tail gas temperature of the engine in real time. Furthermore, a temperature switch of the gearbox is T120 ℃, a temperature switch of the cooling liquid is T105 ℃, and a temperature switch of the tail gas is T125 ℃.

Specifically, the utility model discloses an explosion-proof engine (hereinafter referred to as engine) explosion-proof performance of explosion-proof product is according to GB3836.1-2010 "explosive environment part 1: general requirements for equipment, GB 3836.2-2010 section 2 of explosive environment: equipment protected by a flameproof enclosure "d", GB 3836.4-2010 "explosive environment part 4: devices protected by intrinsically safe "i", GB 3836.9-2014 part 9 of explosive environment: equipment protected by a casting type m, GB20800.1-2006 explosive environment reciprocating internal combustion engine explosion-proof technical rule part 1: class II internal combustion engines for combustible gas and steam environments, GB 20800.2-2006 reciprocating internal combustion engine explosion protection technical rule 2 for explosive environments: class II internal combustion engines for combustible dust environments, EN 1834-1:2000 internal combustion engines for reciprocating internal combustion engines potentially explosive environments part 1 of the safety requirements for their manufacture: the combustible gas and steam environment is designed and manufactured by the regulations of a class II internal combustion engine, the explosion-proof mark is Ex II B T42G/T130 ℃ 2D, and the engine is suitable for 1-zone and 2-zone dangerous places containing IIA and IIB explosive gas mixtures in groups T1-T4 under the explosive gas environment condition to use the engine for industrial internal combustion vehicles.

In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. Explosion-proof engine, including the engine and provide the generator of drive power for the engine to and with the vehicle adapter of engine drive connection, the vehicle adapter passes through starter motor drive, and the engine includes engine cylinder, and the air intake system, exhaust system, cooling system, fuel system, lubricating system and the safety arrangement who is connected with engine cylinder, its characterized in that: the air inlet system, the exhaust system, the cooling system, the fuel system, the lubricating system and the safety protection device are all subjected to explosion-proof treatment; the air inlet system comprises an air inlet and air collecting box arranged on the air inlet end of the engine, and the air inlet and air collecting box is connected with an air filter through an air hose to introduce air into the air inlet end; the exhaust system comprises an exhaust pipe connected with an exhaust port of the engine, and an exhaust flame arrester and a spark arrester which are sequentially connected with the exhaust pipe according to the exhaust direction.

2. The explosion-proof engine of claim 1, wherein: the cooling system comprises a radiator arranged at one end of the engine, a fan is arranged between the radiator and the engine, the generator drives the belt to drive the fan to rotate, and an upper water tank and a cooling liquid circulation circuit are arranged in the radiator.

3. The explosion-proof engine of claim 2, wherein: the safety protection device comprises a gear box temperature switch arranged on the gear box, a cooling liquid temperature switch arranged in a cooling liquid circulation circuit, and a tail gas temperature switch arranged in an exhaust system, and is used for respectively protecting the gear box temperature, the cooling liquid temperature and the tail gas temperature of the engine in real time.

4. The explosion-proof engine of claim 2, wherein: the cooling liquid circulation circuit in the radiator provides cooling energy for cooling water of the engine, one end of the radiator is connected with a water outlet valve of the engine through an engine water inlet pipe, and the other end of the radiator is connected with a water return valve of the engine through an engine water return pipe.

5. The explosion-proof engine of claim 1, wherein: the engine is provided with an explosion-proof preheating plug, the explosion-proof preheating plug is positioned on one side of the air inlet and air collecting box, and the explosion-proof preheating plug is inserted into the engine cylinder.

6. The explosion-proof engine of claim 5, wherein: the embedded joint of the explosion-proof glow plug and the engine is provided with a thread explosion-proof surface, the screwing depth of the explosion-proof glow plug is more than or equal to 10mm, and the number of joggles is more than or equal to 6.

7. The explosion-proof engine of claim 1, wherein: the explosion-proof starting device is characterized in that an explosion-proof junction box is arranged on the engine, an explosion-proof starting battery connected with the engine is further arranged in the explosion-proof junction box, and the explosion-proof starting battery is electrically connected with a starting motor.

8. The explosion-proof engine of claim 4, wherein: the exhaust system also comprises a cooler arranged at an exhaust port of the engine, and a cooling gas is introduced into an air inlet of the cooler through a flange gasket at the air inlet of the cooler; the gas vent of cooler passes through cooler gas vent flange gasket and discharges gas, is provided with tail gas cooling water tank in the cooler, tail gas cooling water tank includes explosion-proof and water-cooled exhaust manifold and tail gas cooler.

9. The explosion-proof engine of claim 3, wherein: an exhaust temperature fixing flange is arranged between the exhaust flame arrester and the spark arrester, and a tail gas temperature switch and a tail gas temperature sensor are arranged on the exhaust temperature fixing flange.

10. The explosion-proof engine of claim 1, wherein: and a flame arrester heat insulation protective net is fixedly sleeved outside the exhaust flame arrester.