CN211116268U - Special type operation equipment engine fire protection system - Google Patents
Special type operation equipment engine fire protection system Download PDFInfo
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- CN211116268U CN211116268U CN201922078294.0U CN201922078294U CN211116268U CN 211116268 U CN211116268 U CN 211116268U CN 201922078294 U CN201922078294 U CN 201922078294U CN 211116268 U CN211116268 U CN 211116268U
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Abstract
The utility model discloses a fire protection system for special operation equipment engine, which comprises a blowing system for blowing and isolating an engine high-temperature assembly, wherein the blowing system comprises an air compressor, the air compressor is connected with an air storage tank, the air storage tank is connected with a blowing channel through a pipeline, a plurality of uniformly distributed air nozzles are arranged on the pipeline, and the air nozzles are aligned with the engine high-temperature assembly and blow the periphery of the engine high-temperature assembly; the periphery of the engine silencer is wrapped with a heat insulation sleeve. The combustion at the high-temperature component part of the engine is prevented by two modes of isolation and purging under the condition of oil leakage.
Description
Technical Field
The utility model belongs to the technical field of the equipment fire prevention, a special operation equipment engine fire protection system is related to, be applicable to the engine fire prevention of oil development in-process special operation equipment.
Background
The bench engines of special operation vehicles such as fracturing trucks, sand mixing trucks and the like are of an open structure, the engines are not fireproof, the working temperature of a turbocharger of the engine is as high as about 650 ℃, once leakage occurs in a fuel oil pipeline, a hydraulic oil pipeline and a lubricating oil pipeline of the whole machine, the leaked liquid can contact high-temperature components such as a silencer of the engine and the turbocharger, the ignition point of the leaked liquid is lower than the surface temperature of the high-temperature components, and fire risks are easily caused. Aiming at the problem, the conventional method adopts manual fire extinguishing or forms an automatic fire extinguishing system by using foam extinguishing agent, powdery fire extinguishing agent, carbon dioxide and the like, and the two fire extinguishing modes are post-treatment modes and have the problems of low efficiency, misjudgment, difficulty in cleaning after fire extinguishing and the like. Therefore, there is a great need to improve fire safety measures and reduce the fire risk of special working vehicles by introducing new effective fire protection methods and systems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at having the above-mentioned problem to current technique, provided a special operation equipment engine fire protection system, prevent through isolated and sweep the dual mode that the fluid from leaking and taking place the burning at engine high temperature subassembly position under the condition.
In order to realize the technical characteristics, the purpose of the utility model is realized as follows: the fire protection system comprises a blowing system for blowing and isolating a high-temperature component of an engine, wherein the blowing system comprises an air compressor, the air compressor is connected with an air storage tank, the air storage tank is connected with a blowing channel through a pipeline, a plurality of uniformly distributed air nozzles are arranged on the pipeline, and the air nozzles are aligned to the high-temperature component of the engine and blow the periphery of the high-temperature component of the engine; the periphery of the engine silencer is wrapped with a heat insulation sleeve.
The air blowing channel is of a U-shaped structure and surrounds the high-temperature assembly of the engine in three directions.
And the pipeline is provided with a pressure reducing valve.
The heat insulation sleeve is made of high temperature resistant materials, and can resist temperature of at least over 1000 ℃.
The air compressor adopts electronic, hydraulic drive, and its exhaust pressure is 8bar at least.
The pressure after the pressure reduction of the pressure reducing valve is 5.5 bar.
The high-temperature engine component of the special working equipment comprises a turbocharger and an exhaust manifold.
The included angle between the air nozzle and the vertical plane of the center of the engine is 30-60 degrees, and the distance between the air nozzle and the high-temperature component of the engine is 300-500 mm.
The air displacement of the air compressor is at least 1.5 times of the air displacement required by the air nozzle.
The utility model discloses there is following beneficial effect:
1. the utility model discloses an at the outside suit radiation shield of engine muffler, because the radiation shield, the temperature resistant is at least more than 1000 ℃, makes engine muffler high temperature surface isolated with external, prevents that fluid from contacting engine muffler, and then has played the purpose of fire prevention.
2. And the air blowing system is used for generating continuous air flow to blow and sweep high-temperature components such as a turbocharger, an exhaust manifold and the like of the engine, so that the oil is prevented from being burnt due to contacting the high-temperature components of the engine.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic diagram of the heat insulation wrapping of the engine silencer of the present invention.
Fig. 2 is a schematic view of the blowing system of the present invention.
In the figure: the engine comprises a heat insulation sleeve 1, an engine silencer 2, an engine high-temperature assembly 3, an air nozzle 4, a pipeline 5, a pressure reducing valve 6, an air compressor 7 and an air storage tank 8.
Detailed Description
The following describes embodiments of the present invention with reference to the accompanying drawings.
Example 1:
as shown in fig. 1-2, the fire protection system for the engine of the special working equipment comprises an air blowing system for blowing and isolating a high-temperature component 3 of the engine, wherein the air blowing system comprises an air compressor 7, the air compressor 7 is connected with an air storage tank 8, the air storage tank 8 is connected with an air blowing channel through a pipeline 5, a plurality of uniformly distributed air nozzles 4 are mounted on the pipeline 5, and the air nozzles 4 are aligned with the high-temperature component 3 of the engine and blow the periphery of the high-temperature component 3 of the engine; the periphery of the engine silencer 2 is wrapped with a heat insulation sleeve 1. Through adopting two kinds of different thermal-insulated modes, can be abundant prevent fires special type operation equipment's engine, to engine muffler 2 its mode that adopts parcel radiation shield 1 insulate against heat, to engine high temperature subassembly 3 its mode that adopts the blowing keep apart, finally through two kinds of different thermal-insulated modes, realize whole special type operation equipment's fire prevention operation.
Further, the air blowing channel adopts a U-shaped structure and surrounds the high-temperature engine component 3 in three directions. By adopting the U-shaped structure, an isolation air film can be effectively formed and used for generating continuous air flow to purge high-temperature components such as an engine turbocharger, an exhaust manifold and the like, so that the oil is prevented from burning due to contacting the high-temperature components of the engine.
Further, a pressure reducing valve 6 is arranged on the pipeline 5. After the pressure reduction, the air is supplied to the air nozzles 4, and the air blowing is isolated by the air nozzles.
Further, the heat insulation sleeve 1 is made of high-temperature resistant materials, and can resist temperature of at least over 1000 ℃.
Further, the air compressor 7 is electrically or hydraulically driven, and the exhaust pressure of the air compressor is at least 8 bar.
Further, the pressure of the pressure reducing valve 6 after pressure reduction is 5.5 bar.
Further, the high-temperature engine component 3 of the special work equipment comprises a turbocharger and an exhaust manifold.
Furthermore, the included angle between the air nozzle 4 and the central vertical plane of the engine is 30-60 degrees, and the distance between the air nozzle and the central vertical plane of the engine is 300-500 mm.
Further, the air displacement of the air compressor 7 is at least 1.5 times of the air displacement required by the air nozzle 4.
Example 2:
the method for preventing fire of the fire protection system of the engine of the special operation equipment comprises the following steps:
step 1: an engine silencer 2 of an engine is wrapped by a heat insulation sleeve 1;
step 2: compressed air is generated by an air compressor 7 and is stored in an air storage tank 8;
step 3: necessary air nozzles 4 are arranged in three directions of the high-temperature engine component 3 and are communicated by an air blowing channel;
step 4: compressed air in the air storage tank 8 is decompressed by the decompression valve 6 and then is conveyed to the air nozzle 4, so that the air nozzle 4 forms continuous air flow to purge the high-temperature components 3 of the engine, and therefore oil is prevented from being burnt due to contact with the high-temperature components of the engine.
Example 3:
a fire protection method for an engine of special operation equipment comprises the following steps:
step 1: as shown in fig. 1, an engine silencer 2 is subjected to heat insulation wrapping by using an engine silencer heat insulation sleeve 1;
step 2: as shown in fig. 2, compressed air is generated by an air compressor 7 and stored in an air tank 8;
step 3: as shown in fig. 2, 10 air nozzles 4 are arranged in three directions of the engine high-temperature assembly 3 and communicated with each other by a pipeline 5, and a U-shaped air blowing channel is formed around the engine high-temperature assembly;
step 4: as shown in fig. 2, compressed air in the air storage tank 8 is decompressed by the decompression valve 6 and then delivered to the air nozzle 4, so that the air nozzle 4 forms continuous air flow to purge high-temperature components of the engine, and therefore oil is prevented from being burnt due to contact with the high-temperature components of the engine.
Preferably, the thermal insulation wrap functions to insulate the high temperature surface of the engine muffler 2 from the outside, preventing the risk of fire at that location.
Preferably, the material of the heat insulation pack can resist temperature of at least above 1000 ℃, and the specific structure can be a snap-in structure or other similar structures.
Preferably, the air compressor 7 is of the electric and hydraulic type, and has the exhaust pressure of 8bar and the flow rate of 800L 6 bar.
Preferably, the gas storage tank 8 is a pressure container with pressure resistance of 1 MPa.
Preferably, the compressed air in the air storage tank 8 is reduced to 5.5bar by the pressure reducing valve 6 and then is delivered to the air nozzle 4 through the pipeline 5.
Preferably, the high-temperature engine assembly 3 mainly comprises a turbocharger and an exhaust manifold.
Preferably, the included angle between the air nozzle 4 and the vertical plane of the center of the engine is 30-60 degrees, and the distance between the air nozzle and the high-temperature component of the engine is 300-500 mm.
Preferably, the air nozzle 4 is operated such that about 10 times the ambient air is sucked in at the inlet side and blown out together with the original compressed air at the outlet side.
Preferably, the displacement of the air compressor 7 is 1.5 times the displacement required by the air nozzle 2.
Preferably, the air compressor 7 is provided with electrical or hydraulic power.
It is worth mentioning that the hydraulic power provided by the outside is started along with the engine, thereby ensuring that the blowing system is always in a working state when the engine works.
Claims (9)
1. The utility model provides a special type operation equipment engine fire protection system which characterized in that: the air blowing system comprises an air compressor (7), wherein the air compressor (7) is connected with an air storage tank (8), the air storage tank (8) is connected with an air blowing channel through a pipeline (5), a plurality of uniformly distributed air nozzles (4) are mounted on the pipeline (5), and the air nozzles (4) are aligned to the high-temperature component (3) of the engine and blow the periphery of the high-temperature component (3); the periphery of the engine silencer (2) is wrapped with a heat insulation sleeve (1).
2. A special work equipment engine fire protection system as defined in claim 1, wherein: the air blowing channel is of a U-shaped structure and surrounds the high-temperature assembly (3) of the engine in three directions.
3. A special work equipment engine fire protection system as defined in claim 1, wherein: and a pressure reducing valve (6) is arranged on the pipeline (5).
4. A special work equipment engine fire protection system as defined in claim 1, wherein: the heat insulation sleeve (1) is made of high-temperature-resistant materials, and can resist temperature of at least over 1000 ℃.
5. A special work equipment engine fire protection system as defined in claim 1, wherein: the air compressor (7) adopts electric drive and hydraulic drive, and the exhaust pressure is at least 8 bar.
6. A special work equipment engine fire protection system as defined in claim 3, wherein: the pressure of the pressure reducing valve (6) after pressure reduction is 5.5 bar.
7. A special work equipment engine fire protection system as defined in claim 1, wherein: the high-temperature engine assembly (3) of the special working equipment comprises a turbocharger and an exhaust manifold.
8. A special work equipment engine fire protection system as defined in claim 1, wherein: the included angle between the air nozzle (4) and the vertical plane of the center of the engine is 30-60 degrees, and the distance between the air nozzle and the vertical plane of the center of the engine is 300-500 mm.
9. A special work equipment engine fire protection system as defined in claim 1, wherein: the air displacement of the air compressor (7) is at least 1.5 times of the air displacement required by the air nozzle (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922078294.0U CN211116268U (en) | 2019-11-27 | 2019-11-27 | Special type operation equipment engine fire protection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922078294.0U CN211116268U (en) | 2019-11-27 | 2019-11-27 | Special type operation equipment engine fire protection system |
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| CN211116268U true CN211116268U (en) | 2020-07-28 |
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| CN201922078294.0U Active CN211116268U (en) | 2019-11-27 | 2019-11-27 | Special type operation equipment engine fire protection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761897A (en) * | 2019-11-27 | 2020-02-07 | 中石化四机石油机械有限公司 | Fire protection system and method for special operation equipment engine |
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2019
- 2019-11-27 CN CN201922078294.0U patent/CN211116268U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761897A (en) * | 2019-11-27 | 2020-02-07 | 中石化四机石油机械有限公司 | Fire protection system and method for special operation equipment engine |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220408 Address after: 434020 Longshan Temple Street, Jingzhou District, Jingzhou, Hubei Patentee after: SINOPEC SIJI PETROLEUM MACHINERY Co.,Ltd. Patentee after: SINOPEC OILFIELD EQUIPMENT Corp. Patentee after: SJS Ltd. Address before: 434020 Longshan Temple Street, Jingzhou District, Jingzhou, Hubei Patentee before: SINOPEC SIJI PETROLEUM MACHINERY Co.,Ltd. Patentee before: Sinopec Petroleum Machinery Co., Ltd |
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| TR01 | Transfer of patent right |