CN215256403U - Safety fireproof plugging device for exhaust pipe of diesel generator - Google Patents
Safety fireproof plugging device for exhaust pipe of diesel generator Download PDFInfo
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- CN215256403U CN215256403U CN202121277877.7U CN202121277877U CN215256403U CN 215256403 U CN215256403 U CN 215256403U CN 202121277877 U CN202121277877 U CN 202121277877U CN 215256403 U CN215256403 U CN 215256403U
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- drainage tube
- exhaust pipe
- diesel generator
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Abstract
The utility model relates to a diesel generator blast pipe safety fire prevention plugging device, including the drainage tube, the blast pipe is connected to drainage tube one end, be provided with funnel-shaped airflow channel and nozzle in the drainage tube, funnel-shaped airflow channel's macrostoma end and the export of blast pipe intercommunication, the diameter of nozzle is greater than funnel-shaped airflow channel's osculum end diameter, the outside coaxial fire extinguishing fan that is provided with of nozzle, fire extinguishing fan installs on the air discharge plate, be provided with a plurality of exhaust holes on the air discharge plate, the air discharge plate is fixed on the inner wall of drainage tube, one side of air discharge plate is equipped with the rain-proof cover that the slope set up downwards; the plugging problem of the exhaust pipe is solved, sparks carried in exhaust gas flow of the exhaust pipe are eliminated, fire hazards are avoided, potential safety hazards are eliminated, the problems of rainwater and dust are solved, and the maintenance cost is reduced.
Description
The technical field is as follows:
the utility model relates to a diesel generator blast pipe safety fire prevention plugging device.
Background art:
the diesel generator adopts compression ignition, does not need an ignition system, has low fault, has the characteristics of reliable work, low operating cost and durability, has wider application range and is suitable for generating sets with higher success rate. Harmful substances in tail gas discharged by the diesel generator are few, and the harmful substances are mainly granular substances.
At present, the following problems mainly exist in daily use of the diesel generator: firstly, diesel generator blast pipe directly extends outdoors, does not set up effectual shutoff equipment facility mostly, and the condition such as the entering of birds nest, insect can take place often, and this has led to the fact bad influence to diesel generator safe operation, has threatened generator safe operation seriously, has serious potential safety hazard problem. Secondly, sparks are sometimes carried in the airflow ejected by the exhaust pipe, and the sparks are easy to cause fire accidents after contacting with bird nests or inflammable matters. Thirdly, the device of some blast pipe shutoff that appear on the market, the afterbody has the closing cap mostly, though prevented birds from nesting, the emergence of the entering condition of insect, however, the inside mars of blast pipe can not thoroughly be eliminated, still cause the fire incident easily, and most be integral structure moreover, the installation with dismantle more loaded down with trivial details, in addition, these blast pipe plugging device ends do not take safeguard procedures to sleet, strong wind, dust etc. get into rainwater easily, some debris that dust or strong wind brought into.
In conclusion, the plugging and safety problems of the existing diesel generator exhaust pipe become a technical problem to be solved urgently in the industry.
The utility model has the following contents:
the utility model discloses a remedy prior art not enough, provide a diesel generator blast pipe safety fire prevention plugging device, solved the shutoff problem of blast pipe, eliminated the mars that carries in the air current, avoided the emergence of conflagration, eliminated the potential safety hazard problem, solved rainwater and dust problem, reduced cost of maintenance.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:
the utility model provides a diesel generator blast pipe safety fire prevention plugging device, includes the drainage tube, the blast pipe is connected to drainage tube one end, be provided with hourglass hopper-shaped airflow channel and nozzle in the drainage tube, the macrostoma end that leaks hopper-shaped airflow channel communicates with the export of blast pipe, the diameter of nozzle is greater than the osculum end diameter that leaks hopper-shaped airflow channel, the outside of nozzle is coaxial to be provided with the fan of putting out a fire, the fan of putting out a fire is installed on the air discharge plate, be provided with a plurality of exhaust hole on the air discharge plate, the air discharge plate is fixed on the drainage tube inner wall, one side of air discharge plate is equipped with the downward rain-proof cover that sets up of slope.
Preferably, the fire extinguishing fan is arranged close to the nozzle, the fire extinguishing fan is arranged on a bearing, and the bearing is fixed on the exhaust plate through a support rod.
Preferably, the bearing is a ceramic bearing.
Preferably, one side of the exhaust plate is coaxially provided with a filter screen, the filter screen is fixed on the inner wall of the drainage tube, and the filter screen is positioned between the exhaust plate and the rain cover.
Preferably, the included angle between the rain cover and the horizontal plane is smaller than 90 degrees.
Preferably, the drainage tube comprises two sections of pipelines connected through a hoop, and a sealing ring is arranged between the two sections of pipelines.
Preferably, the exhaust pipe and the drainage pipe are made of refractory materials.
Preferably, the fire extinguishing fan is provided with 3 ~ 7 flabellums, the quantity of flabellum is the odd number, the material of fire extinguishing fan is stainless steel material.
Preferably, the filter screen is a stainless steel filter screen of 200-300 meshes.
Preferably, the drainage tube is connected with the exhaust pipe through a hoop, and a sealing ring is arranged between the drainage tube and the exhaust pipe.
The above technical scheme is adopted in the utility model, following beneficial effect has:
(1) by arranging the funnel-shaped airflow channel, the nozzle and the fire extinguishing fan, when airflow discharged by the exhaust pipe enters the funnel-shaped airflow channel, the airflow reaches the nozzle, the airflow collected when the pressure reaches a certain value is sprayed out of the nozzle along with the gradual increase of the pressure of the airflow and is sprayed onto the fire extinguishing fan, and meanwhile, the fire extinguishing fan is driven to rotate, so that sparks carried in the airflow can be thoroughly extinguished by the fire extinguishing fan, the occurrence of fire is avoided, and the potential safety hazard problem is eliminated;
(2) the rain cover prevents rainwater, dust or sundries brought by strong wind from entering the drainage tube, so that the problems of rainwater and dust are solved, meanwhile, the filter screen prevents birds from nesting and insects from entering the exhaust tube, and the problem of plugging of the exhaust tube is solved;
(3) the fire extinguishing fan adopts a ceramic bearing, has the characteristics of acid and alkali resistance, high temperature resistance and wear resistance, and well overcomes the problem of rusting of the traditional bearing;
(4) the number of the fan blades of the fire extinguishing fan is odd, the design of the odd fan blades accords with the fluid mechanics principle, the dynamic balance is good, and the oscillation is not easy to generate, so that the abrasion of a bearing is reduced, the service life of the fire extinguishing fan can be prolonged, and the maintenance cost is reduced;
(5) by adopting a stainless steel filter screen with 200-300 meshes as the filter screen, particulate matters in the tail gas can be prevented from entering the atmosphere, and the emission of air pollutants is reduced;
(6) the drainage tube is connected with the exhaust pipe through a hoop, and the drainage tube is designed in a plug-in mounting mode, so that the drainage tube can be conveniently maintained and disassembled when the fire extinguishing fan and the filter screen inside the drainage tube are damaged.
Description of the drawings:
fig. 1 is a schematic sectional view of the present invention.
In the figure, 1, a drainage tube, 2, an exhaust pipe, 3, a funnel-shaped airflow channel, 4, a nozzle, 5, a fire extinguishing fan, 6, an exhaust plate, 7, a rain cover, 8, a bearing, 9, a support rod, 10, a filter screen, 11, a hoop, 12 and a sealing ring.
The specific implementation mode is as follows:
in order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings.
Combine as the embodiment shown in fig. 1, a diesel generator blast pipe safety fire prevention plugging device, including drainage tube 1, drainage tube 2 is connected to 1 one end of drainage tube, be provided with hourglass hopper-shaped airflow channel 3 and nozzle 4 in the drainage tube 2, the macrostoma end of hourglass hopper-shaped airflow channel 3 and the export intercommunication of blast pipe 2, the diameter of nozzle 4 is greater than the osculum end diameter of hourglass hopper-shaped airflow channel 3, the outside coaxial fire extinguishing fan 5 that is provided with of nozzle 4, fire extinguishing fan 5 installs on air discharge plate 6, be provided with a plurality of exhaust hole on air discharge plate 6, air discharge plate 6 is fixed on 1 inner wall of drainage tube, one side of air discharge plate 6 is equipped with the rain-proof cover 7 that the slope set up downwards. From the blast pipe 1 discharge airflow under the normal condition, the velocity of flow is slower, the utility model discloses a set up hourglass hopper-shaped airflow channel 3, nozzle 4 and fire extinguishing fan 5, in 2 discharge gas of blast pipe advance to leak hopper-shaped airflow channel 3, the air current reachs nozzle 4 department afterwards, pressure gradually increase along with the air current, the air current that pressure reached a definite value and collectes is from nozzle 4 blowout, can increase the velocity of flow of air current, the air current spouts fire extinguishing fan 5 is gone up, just can drive fire extinguishing fan 5 fast revolution, the mars that carries in the air current can be thoroughly hit out by fast revolution's fire extinguishing fan 5, the emergence of conflagration has been avoided, the potential safety hazard problem has been eliminated, furthermore, rain-proof cover 7 has prevented the rainwater, some debris that dust or strong wind brought into get into drainage tube 1, rainwater and dust problem have been solved.
The fire extinguishing fan 5 is arranged close to the nozzle 4, the fire extinguishing fan 5 is arranged on a bearing 8, and the bearing 8 is fixed on the exhaust plate 6 through a support rod 9. The fire extinguishing fan 5 is arranged at a reasonable position close to the nozzle 4, and can completely cover the gas sprayed from the nozzle 4, so that the sparks are completely extinguished, and the treated safety gas is then discharged through the exhaust holes on the exhaust plate 6.
The bearing 8 is a ceramic bearing. The ceramic bearing has the characteristics of acid and alkali resistance, high temperature resistance and wear resistance, and well overcomes the rusting problem of the traditional bearing.
One side of the exhaust plate 6 is coaxially provided with a filter screen 10, the filter screen 10 is fixed on the inner wall of the drainage tube 1, and the filter screen 10 is positioned between the exhaust plate 6 and the rain cover 7. When the air flow enters the filter screen 10 through the exhaust holes of the exhaust plate 6, the filter screen 10 can prevent the granular substances from entering the atmosphere, thereby reducing the emission of air pollutants, preventing birds and insects from entering the exhaust pipe 2 and solving the problem of plugging the exhaust pipe 2.
The included angle between the rain cover 7 and the horizontal plane is smaller than 90 degrees. A certain angle is formed between the rain cover 7 and the horizontal plane, the rain cover 7 is obliquely and downwards arranged to prevent rainwater, dust or some sundries brought by strong wind from entering the drainage tube 1, and meanwhile, the internal bearing 8 and the fire extinguishing fan 5 are prevented from rusting.
The drainage tube 1 comprises two sections of pipelines connected through a hoop 11, and a sealing ring 12 is arranged between the two sections of pipelines. The design is that the drainage tube 1 is divided into two sections of pipelines, wherein a funnel-shaped airflow channel 3 and a nozzle 4 are arranged in one section of pipeline, a fire extinguishing fan 5, an exhaust plate 6, a filter screen 10 and a rain cover 7 are arranged in the other section of pipeline, the sealing ring 12 ensures the air tightness of the joint of the two sections of pipelines, the two sections of pipelines are connected through a clamp 11 and are convenient to disassemble, and the fire extinguishing fan 5 inside the drainage tube 1 is convenient to maintain and disassemble when damaged.
The exhaust pipe 2 and the drainage pipe 1 are made of refractory materials. The refractory material is usually an inorganic non-metallic material, is a material composed of oxides, carbides, nitrides, halogen compounds, borides of certain elements, silicates, aluminates, phosphates, borates and the like, has high refractoriness, has the characteristic of resisting high temperature action without softening and melting, and has remarkable acid and alkali resistance.
The fire extinguishing fan 5 is provided with 3 ~ 7 flabellums, the quantity of flabellum is the odd number, the material of fire extinguishing fan 5 is stainless steel material. The design of odd flabellum accords with the hydromechanics principle, has better dynamic balance, is difficult for producing the vibration to reduce the wearing and tearing of bearing 8, can prolong the life of fan 5 of putting out a fire, reduce cost of maintenance, stainless steel material's fan 5 of putting out a fire corrosion resistance is better.
The filter screen 6 is a stainless steel filter screen of 200-300 meshes. The stainless steel filter screen with 200-300 meshes can prevent particulate matters in tail gas from entering the atmosphere, and the emission of air pollutants is reduced.
Drainage tube 1 is connected through clamp 11 with blast pipe 2, be provided with sealing washer 12 between drainage tube 1 and the blast pipe 2. The sealing ring 12 ensures the air tightness of the joint of the drainage tube 1 and the exhaust pipe 2, and the connection is convenient to install and disassemble through the hoop 11.
The working principle is as follows:
the air flow discharged from the exhaust pipe 1 starts to flow slowly, the air flow enters the funnel-shaped air flow channel 3 firstly, then reaches the nozzle 4, the air flow converged when the pressure reaches a certain value is sprayed out from the nozzle 4 along with the gradual increase of the pressure of the air flow, the flow rate of the air flow under high pressure is gradually increased, the air flow is sprayed onto the fire extinguishing fan 5 to drive the fire extinguishing fan 5 to rotate rapidly, the fire extinguishing fan 5 is close to the nozzle 4, the air sprayed out from the nozzle 4 is completely covered by the fire extinguishing fan, sparks carried in the air flow are completely extinguished by the rapidly rotating fire extinguishing fan 5, then the safe air flow reaches the exhaust plate 6 and is discharged through the exhaust holes in the exhaust plate 6 to reach the filter screen 10, granular substances in the air flow are intercepted by the filter screen 10, the filtered air flow enters the atmosphere through the rain cover 7, the filter screen 10 prevents birds and insects from entering the drainage pipe 1, and meanwhile, the rain cover 7 with an inclined downward opening can prevent rainwater, Dust or some foreign matters brought by strong wind enter the drainage tube 1.
The above-mentioned specific embodiments can not be regarded as the restriction to the scope of protection of the utility model, to technical personnel in this technical field, it is right the utility model discloses any replacement improvement or transform that embodiment made all fall within the scope of protection of the utility model.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (10)
1. The utility model provides a diesel generator blast pipe safety fire prevention plugging device which characterized in that: including the drainage tube, the blast pipe is connected to drainage tube one end, be provided with hourglass hopper-shaped airflow channel and nozzle in the drainage tube, the macrostoma end that leaks hopper-shaped airflow channel communicates with the export of blast pipe, the diameter of nozzle is greater than the osculum end diameter that leaks hopper-shaped airflow channel, the outside of nozzle is coaxial to be provided with the fan of putting out a fire, the fan of putting out a fire is installed on the air discharge plate, be provided with a plurality of exhaust hole on the air discharge plate, the air discharge plate is fixed on the drainage tube inner wall, one side of air discharge plate is equipped with the rain-proof cover that the slope set up downwards.
2. The safety fireproof blocking device for the exhaust pipe of the diesel generator as claimed in claim 1, wherein: the fire extinguishing fan is arranged close to the nozzle, the fire extinguishing fan is arranged on a bearing, and the bearing is fixed on the exhaust plate through a support rod.
3. The safety fireproof blocking device for the exhaust pipe of the diesel generator as claimed in claim 2, wherein: the bearing is a ceramic bearing.
4. The safety fireproof blocking device for the exhaust pipe of the diesel generator as claimed in claim 1, wherein: one side of the exhaust plate is coaxially provided with a filter screen, the filter screen is fixed on the inner wall of the drainage tube, and the filter screen is positioned between the exhaust plate and the rain cover.
5. The safety fireproof blocking device for the exhaust pipe of the diesel generator as claimed in claim 1, wherein: the included angle between the rain cover and the horizontal plane is less than 90 degrees.
6. The safety fireproof blocking device for the exhaust pipe of the diesel generator as claimed in claim 1, wherein: the drainage tube comprises two sections of pipelines connected through a hoop, and a sealing ring is arranged between the two sections of pipelines.
7. The safety fireproof blocking device for the exhaust pipe of the diesel generator as claimed in claim 1, wherein: the exhaust pipe and the drainage pipe are made of refractory materials.
8. The safety fireproof blocking device for the exhaust pipe of the diesel generator as claimed in claim 1, wherein: the fire extinguishing fan is provided with 3 ~ 7 flabellums, the quantity of flabellum is the odd number, the material of fire extinguishing fan is stainless steel material.
9. The safety fireproof blocking device for the exhaust pipe of the diesel generator as claimed in claim 4, wherein: the filter screen is a stainless steel filter screen of 200-300 meshes.
10. The safety fireproof blocking device for the exhaust pipe of the diesel generator as claimed in claim 1, wherein: the drainage tube is connected with the exhaust pipe through a hoop, and a sealing ring is arranged between the drainage tube and the exhaust pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121277877.7U CN215256403U (en) | 2021-06-07 | 2021-06-07 | Safety fireproof plugging device for exhaust pipe of diesel generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121277877.7U CN215256403U (en) | 2021-06-07 | 2021-06-07 | Safety fireproof plugging device for exhaust pipe of diesel generator |
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| Publication Number | Publication Date |
|---|---|
| CN215256403U true CN215256403U (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121277877.7U Active CN215256403U (en) | 2021-06-07 | 2021-06-07 | Safety fireproof plugging device for exhaust pipe of diesel generator |
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| CN (1) | CN215256403U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115138009A (en) * | 2022-06-09 | 2022-10-04 | 中国矿业大学 | Plugging device coated with catalytic coating, using method and preparation method of coating |
-
2021
- 2021-06-07 CN CN202121277877.7U patent/CN215256403U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115138009A (en) * | 2022-06-09 | 2022-10-04 | 中国矿业大学 | Plugging device coated with catalytic coating, using method and preparation method of coating |
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