CN219672879U - Marine vertical explosion-proof exhaust fan - Google Patents
Marine vertical explosion-proof exhaust fan Download PDFInfo
- Publication number
- CN219672879U CN219672879U CN202321224730.0U CN202321224730U CN219672879U CN 219672879 U CN219672879 U CN 219672879U CN 202321224730 U CN202321224730 U CN 202321224730U CN 219672879 U CN219672879 U CN 219672879U
- Authority
- CN
- China
- Prior art keywords
- fan
- explosion
- proof
- ring body
- exhaust fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000003044 adaptive effect Effects 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 3
- 239000008397 galvanized steel Substances 0.000 claims description 3
- 239000003595 mist Substances 0.000 abstract description 6
- 239000003973 paint Substances 0.000 abstract description 6
- 239000000779 smoke Substances 0.000 abstract description 6
- 238000003466 welding Methods 0.000 abstract description 6
- 239000000428 dust Substances 0.000 abstract description 5
- 231100000331 toxic Toxicity 0.000 abstract description 5
- 230000002588 toxic effect Effects 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to the technical field of exhaust fans, and discloses a vertical explosion-proof exhaust fan for a ship, which comprises a fan base, wherein the fan base is of a hollow structure with openings at the upper end and the lower end, a fan cylinder with openings at the two ends is fixedly arranged on the top edge of the fan base, an explosion-proof motor is fixedly arranged in the fan cylinder, an impeller which is adaptive to the inner diameter of the fan cylinder is arranged at the output end of the explosion-proof motor, and a protection component for protecting the explosion-proof motor is arranged at the top of the fan cylinder. According to the utility model, the explosion-proof exhaust fan is arranged at the manhole of the marine closed cabin, so that high-temperature, toxic and combustible gas and dust such as special paint mist, electric welding smoke and the like in the closed cabin can be conveniently discharged, and a safe and sanitary working environment is provided for construction staff.
Description
Technical Field
The utility model relates to the technical field of exhaust fans, in particular to a vertical explosion-proof exhaust fan for a ship.
Background
An exhaust fan is a device for ventilation. The ventilating fan is used for ventilating indoor or outdoor, and the working principle of the ventilating fan is that the input electric power drives the fan impeller to rotate through the motor, so that the air suction or exhaust effect is generated. The exhaust fan is generally composed of an air inlet, an impeller, a shell, a motor and other elements, wherein the motor converts electric power into mechanical power to drive the impeller to rotate, the air inlet guides gas to smoothly enter the impeller, and the impeller transfers kinetic energy generated during rotation to the gas.
In the process of repairing and manufacturing large ships, high-temperature, toxic and combustible gases and dust such as special paint mist, electric welding smoke and the like in the closed cabin are required to be discharged, fresh air is input, and a safe and sanitary working environment is provided for constructors, so that the vertical explosion-proof exhaust fan for the ship is provided.
Disclosure of Invention
The utility model aims to provide a vertical explosion-proof exhaust fan for a ship, which is convenient for exhausting high-temperature, toxic and combustible gases and dust such as special paint mist, electric welding smoke and the like in a closed cabin, and provides a safe working environment for constructors.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the vertical explosion-proof exhaust fan for the ship comprises a fan base, wherein the fan base is of a hollow structure with openings at the upper end and the lower end, a fan barrel with openings at the two ends is fixedly arranged on the top edge of the fan base, an explosion-proof motor is fixedly arranged in the fan barrel, an impeller which is adaptive to the inner diameter of the fan barrel is arranged at the output end of the explosion-proof motor, and a protection component for protecting the explosion-proof motor is arranged at the top of the fan barrel.
Preferably, the protection component comprises a lower ring body welded on the top edge of the fan cylinder body, an upper ring body with the same structure is arranged above the lower ring body, and a plurality of steel wires which are uniformly distributed in the circumferential direction are welded between the upper ring body and the lower ring body.
Preferably, an openable access door is mounted on the front hinge of the fan base.
Preferably, lifting lugs for lifting are symmetrically arranged at the outer cylinder wall of the fan cylinder body.
Preferably, the top of the upper ring body is fixedly provided with a rain hat with a conical structure, and the bottom diameter of the rain hat is larger than the outer diameter of the upper ring body.
Preferably, the fan barrel is galvanized steel sheet material, the top internal diameter of fan base is less than the bottom internal diameter.
Compared with the prior art, the utility model provides the marine vertical explosion-proof exhaust fan, which has the following beneficial effects:
1. the marine vertical explosion-proof exhaust fan drives the impeller to rotate through the explosion-proof motor, so that air in the closed cabin conveniently enters from the fan base, then flows to the outer side of the closed cabin through the top of the fan barrel, and conveniently discharges high-temperature, toxic and combustible gases and dust such as special paint mist, electric welding smoke and the like in the closed cabin, thereby providing a safe and sanitary working environment for constructors.
2. The marine vertical explosion-proof exhaust fan can prevent external foreign matters from entering the fan cylinder body to cause influence through the protection component, and can play a good role in rain protection by utilizing the rain-proof cap.
3. This marine vertical explosion-proof exhaust fan conveniently lifts by crane the installation to the fan through the lug, makes fan base install in the manhole department of airtight cabin, but hinge open and close's access door not only conveniently maintains the fan inside, and the personnel of being convenient for get into in the airtight cabin through the access door moreover for the installation of fan can not influence personnel business turn over cabin.
The utility model installs the explosion-proof exhaust fan at the manhole of the marine closed cabin, which is convenient to discharge the high temperature, poisonous and combustible gas and dust such as special paint mist and electric welding smoke in the closed cabin, and provides a safe and sanitary working environment for constructors.
Drawings
FIG. 1 is a schematic structural view of a marine vertical explosion-proof exhaust fan;
FIG. 2 is a perspective view of the protective assembly of the present utility model;
fig. 3 is a perspective view of the rain cap of the present utility model.
In the figure: 1. a fan base; 2. a fan cylinder; 3. an explosion-proof motor; 4. a protective assembly; 401. a lower ring body; 402. an upper ring body; 403. a steel wire; 5. an access door; 6. lifting lugs; 7. a rain-proof cap.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1, the marine vertical explosion-proof exhaust fan, including fan base 1, fan base 1's top internal diameter is less than the bottom internal diameter, fan base 1 is upper and lower both ends open-ended hollow structure, fan base 1 fixed mounting is in marine airtight cabin's manhole department, openable access door 5 is installed to fan base 1's front hinge, not only conveniently maintain fan inside, in the personnel of being convenient for get into airtight cabin through access door 5 moreover, make the installation of fan can not influence personnel and get in and out the cabin, fan base 1's top is along limit fixed mounting there is both ends open-ended fan barrel 2, fan barrel 2 is galvanized steel sheet material, play the anticorrosion effect.
Referring to fig. 1, lifting lugs 6 for lifting are symmetrically installed at the outer cylinder wall of a fan cylinder 2, lifting installation is facilitated, an explosion-proof motor 3 is fixedly installed in the fan cylinder 2, sparks are prevented from being generated during operation, inflammable and explosive gas is conveniently conveyed, an impeller matched with the inner diameter of the fan cylinder 2 is installed at the output end of the explosion-proof motor 3, the impeller is driven to rotate by the explosion-proof motor 3, air in a closed cabin enters from a fan base 1 and then flows to the outer side of the closed cabin through the top of the fan cylinder 2, and a protection component 4 for protecting the explosion-proof motor 3 is installed at the top of the fan cylinder 2.
Referring to fig. 1-3, the protection component 4 comprises a lower ring body 401 welded on the top edge of the fan cylinder 2, an upper ring body 402 with the same structure is arranged above the lower ring body 401, a plurality of steel wires 403 which are uniformly distributed circumferentially are welded between the upper ring body 402 and the lower ring body 401, so that the influence caused by external foreign matters entering the fan cylinder 2 can be avoided, a rain hat 7 with a conical structure is fixedly arranged on the top of the upper ring body 402, a good rainwater prevention effect is achieved, and the bottom diameter of the rain hat 7 is larger than the outer diameter of the upper ring body 402.
Working principle: lifting can be achieved by utilizing external lifting equipment to cooperate with lifting lugs 6 at the outer barrel wall of the fan barrel 2, firstly, the fan base 1 is lifted to a manhole of a marine closed cabin, then the fan base 1 is fixedly installed at the manhole, an explosion-proof motor 3 is started to drive an impeller to rotate, air in the closed cabin can enter from the fan base 1, then flows to the outer side of the closed cabin through the top of the fan barrel 2, high-temperature, toxic and combustible gases such as paint mist, electric welding smoke and the like in the closed cabin are conveniently discharged, a safe and sanitary working environment is provided for constructors, a hinge-installed access door 5 is opened, maintenance of the inside of the fan is facilitated, and personnel can enter the closed cabin through the access door 5, so that personnel in and out of the cabin can not be influenced by the installation of the fan.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The vertical explosion-proof exhaust fan for the ship is characterized by comprising a fan base, wherein the fan base is of a hollow structure with openings at the upper end and the lower end, a fan barrel with openings at the two ends is fixedly arranged at the top edge of the fan base, an explosion-proof motor is fixedly arranged in the fan barrel, an impeller which is adaptive to the inner diameter of the fan barrel is arranged at the output end of the explosion-proof motor, and a protection component for protecting the explosion-proof motor is arranged at the top of the fan barrel.
2. The marine vertical explosion-proof exhaust fan according to claim 1, wherein the protection component comprises a lower ring body welded on the top edge of the fan cylinder body, an upper ring body with the same structure is arranged above the lower ring body, and a plurality of steel wires which are uniformly distributed in the circumferential direction are welded between the upper ring body and the lower ring body.
3. The marine vertical explosion-proof exhaust fan according to claim 1, wherein the front hinge of the fan base is provided with an openable access door.
4. The marine vertical explosion-proof exhaust fan according to claim 1, wherein lifting lugs for lifting are symmetrically arranged at the outer cylinder wall of the fan cylinder body.
5. The marine vertical explosion-proof exhaust fan according to claim 2, wherein the top of the upper ring body is fixedly provided with a rain hat with a conical structure, and the bottom diameter of the rain hat is larger than the outer diameter of the upper ring body.
6. The marine vertical explosion-proof exhaust fan according to claim 1, wherein the fan cylinder is made of galvanized steel sheet, and the inner diameter of the top end of the fan base is smaller than the inner diameter of the bottom end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321224730.0U CN219672879U (en) | 2023-05-19 | 2023-05-19 | Marine vertical explosion-proof exhaust fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321224730.0U CN219672879U (en) | 2023-05-19 | 2023-05-19 | Marine vertical explosion-proof exhaust fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219672879U true CN219672879U (en) | 2023-09-12 |
Family
ID=87921812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321224730.0U Active CN219672879U (en) | 2023-05-19 | 2023-05-19 | Marine vertical explosion-proof exhaust fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219672879U (en) |
-
2023
- 2023-05-19 CN CN202321224730.0U patent/CN219672879U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207945094U (en) | A kind of rectangular wall type axial-flow fan | |
| CN219672879U (en) | Marine vertical explosion-proof exhaust fan | |
| CN211200335U (en) | Lifting type smoke exhaust device for ship lift | |
| CN101943174A (en) | Multi-core-driven multi-stage booster combined fire-extinguishing and smoke-controlling device | |
| CN214891674U (en) | Centrifugal roof fire control smoke exhaust fan of full aluminium system | |
| CN212562707U (en) | Coal shed | |
| CN201628483U (en) | Expansion environmental-protection gas hood | |
| CN201802669U (en) | Multi-core driven multistage supercharging combined type device of fire fighting and smoke evacuating | |
| CN211597066U (en) | Coal shed | |
| CN209594191U (en) | A kind of electrical cabinet that safety is good | |
| CN203671830U (en) | Auxiliary air exhaust device | |
| CN209431605U (en) | A kind of house roof ventilation device | |
| CN219572175U (en) | Ventilation device and system for thermal power generation main plant | |
| CN220415195U (en) | Smoke discharging structure of fireproof door | |
| CN215444451U (en) | Axial fan protective structure | |
| CN215412325U (en) | Multipurpose limited space air interchanger | |
| CN215209263U (en) | Acetylene is protector for generator | |
| CN111322706A (en) | Intelligent ventilation system for high-rise building | |
| CN2603842Y (en) | Gravity self-closing pattern back-shutter | |
| CN116294162B (en) | Fire-resistant round-sky-square-earth pipe | |
| CN215817175U (en) | Prepackage type transformer substation of effect is separated to high pressure | |
| CN219733758U (en) | Fan fan housing convenient to wire | |
| CN220667829U (en) | A high-efficient sound insulation device for roots fan | |
| CN215897446U (en) | Installation and seal structure of vertical motor | |
| CN218850512U (en) | Rain-proof device of generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |