CN205078471U - Smoke exhaust fan - Google Patents
Smoke exhaust fan Download PDFInfo
- Publication number
- CN205078471U CN205078471U CN201520758901.7U CN201520758901U CN205078471U CN 205078471 U CN205078471 U CN 205078471U CN 201520758901 U CN201520758901 U CN 201520758901U CN 205078471 U CN205078471 U CN 205078471U
- Authority
- CN
- China
- Prior art keywords
- exhaust fan
- cylindrical shell
- inner core
- smoke exhaust
- motor
- 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.)
- Expired - Fee Related
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a smoke exhaust fan, including the barrel, set up the motor in the barrel and connect in the fan blade of discharging fume of motor dynamic output, the rear end of barrel is equipped with annular water pipe, is equipped with a plurality of hydraulics on the pipe wall of annular water pipe, is connected with the delivery pipe with annular cross current on the barrel.
Description
Technical field
The utility model relates to a kind of fume extractor, particularly a kind of smoke exhaust fan.
Background technique
Along with the development of building industry, Building Fire Protection problem becomes and becomes more and more important.In recent years the modern architecture thing built up generally is provided with fire-fighting smoke exhaust system, to reduce personnel and property loss when fire occurs.And underground system engineering is as tunnel has, and space is little, air-conditioning requirement high, smoke exhaust fan doublely will do daily logical wind action toward contact at ordinary times.So just have higher requirement to smoke exhaust fan, the normal operation of (280 DEG C of normally work 0.5 hour, 250 DEG C of normally work 1 hour) under smoke exhaust fan should meet fire fighting state, meets the normal operation of mean time ventilation again.At present, domestic general smoke exhaust fan adopts inner/outer tube double layer construction, and inner core is born the heat radiation of motor and stoped high-temperature flue gas to conduct heat to motor, and the conveying of high-temperature flue gas born by urceolus.Inner core arranges Inner eycle impeller, quotes pipeline outer air to electric motor temperature reduction, ensures that blower fan at high temperature normally runs.Such structure can make blower fan avoid high-temperature flue gas to the infringement of motor at short notice, but if there is hydrocarbon fire in long tunnel, fire duration is long, the flue gas residence time be gathered in tunnel is long, high-temperature flue gas shrouds in whole tunnel, and also do not reduce through the flue gas concentration that smoke exhaust fan guides, particularly near the flue gas of burning things which may cause a fire disaster, what then guide is likely then high-temperature flue gas with flame, it is not only a kind of test to smoke exhaust fan, and the flue gas of high temperate zone flame can be directed to the external world and cause unknown losses; Guiding high-temperature flue gas while, motor also receives the temperatures involved of large degree in addition, thus affects motor rotation stability, if be that the heat that itself produces can not distribute in time in running at ordinary times, also affects the stability of blower fan long-time running.
Summary of the invention
The purpose of this utility model is exactly in order to avoid the deficiency in background technique, provides a kind of smoke exhaust fan.
For achieving the above object, the utility model adopts following technological scheme: a kind of smoke exhaust fan, comprise cylindrical shell, be arranged at the motor in cylindrical shell and be connected to the smoke evacuation fan blade of motor power output terminal, the rear end of described cylindrical shell is provided with annular conduit, the tube wall of annular conduit is provided with some hydraulic spray nozzles, cylindrical shell is connected with the water pipe be communicated with annular conduit.
One of the present utility model is optimized, described cylindrical shell comprises inner core and urceolus, connection bracket is provided with on the downside of urceolus, inner core is arranged in urceolus, and by link press span, described motor is fixed in inner core in inner core, the described smoke evacuation fan blade be connected with motor power output terminal is arranged in the cylinder of inner core front end, and described annular conduit is arranged at the end, rear end of inner core, and described hydraulic spray nozzle is all towards inner core axially outside.
Optimize for one of the present utility model, described water pipe is arranged in the gap between inner core and urceolus, and its one end is connected with annular conduit, and its other end then passes from urceolus near connection bracket side.
One of the present utility model is optimized, in the gap between inner core and urceolus, is provided with sound-insulating and heat-insulating layer.
One of the present utility model is optimized, motor mounting cylinder is provided with in cylindrical shell, described motor is placed in motor mounting cylinder, its clutch end is connected with smoke evacuation fan blade through the front end of motor mounting cylinder, cylindrical shell side is provided with the suction tude be communicated with motor mounting cylinder rear end, and its opposite side is provided with the outlet pipe that the suction tude front end that is communicated with motor mounting cylinder is communicated with.
One of the present utility model is optimized, is provided with breeze fan in suction tude, in outlet pipe, is provided with exhaust fan.
Optimize for one of the present utility model, the port that suction tude, outlet pipe are positioned at the outer one end of cylindrical shell is arranged down.
Optimize for one of the present utility model, described water pipe is provided with control valve, and the madial wall of cylindrical shell is provided with fume detector, and the control end of described fume detector and control valve communicates to connect.
Optimize for one of the present utility model, the barrel of described motor mounting cylinder is provided with thermal-protective coating.
The utility model is compared with background technique, have rational in infrastructure, annular conduit is set by the end, rear end at cylindrical shell, and some hydraulic spray nozzles outside cylindrical shell are set on annular conduit, the high-temperature flue gas be guided out can be carried out the concentration lowering the temperature and reduce flue gas; By arranging sound-insulating and heat-insulating layer between inner core and urceolus, thus when blower fan operates, the noise caused when reducing running; By arranging thermal-protective coating on the inwall of motor mounting cylinder, thus be reduced in high-temperature flue gas bootup process, protection motor is from the impact of external high temperature, and in motor mounting cylinder, be provided with the suction tude, the outlet pipe that are communicated with cylindrical shell and are connected outward, its object is to by air circulation leave motor rotation time the heat that produces; And the mouth of pipe of suction tude, outlet pipe down, its object is to avoid foreign material or dust to enter in motor mounting cylinder; By arranging fume detector and being arranged at the control valve on water pipe, its object is to by the flue gas concentration of real-time detection in cylindrical shell and temperature, thus control the opening and closing of control valve, namely when temperature or flue gas concentration height, start control valve.
Accompanying drawing explanation
Fig. 1 is the front cross-sectional structural representation of smoke exhaust fan.
Fig. 2 is the right TV structure schematic diagram of smoke exhaust fan.
Embodiment
Embodiment 1: with reference to Fig. 1 and 2.A kind of smoke exhaust fan, comprise cylindrical shell 1, be arranged at the motor 2 in cylindrical shell 1 and be connected to the smoke evacuation fan blade 3 of motor 2 clutch end, the rear end of described cylindrical shell 1 is provided with annular conduit 4, the tube wall of annular conduit 4 is provided with some hydraulic spray nozzles 41, cylindrical shell 1 is connected with the water pipe 5 be communicated with annular conduit 4.
On the basis of embodiment 1, described cylindrical shell 1 comprises inner core 11 and urceolus 12, connection bracket 6 is provided with on the downside of urceolus 12, inner core 11 is arranged in urceolus 12, and by link press span 7, described motor 2 is fixed in inner core 11 in inner core 11, the described smoke evacuation fan blade 3 be connected with motor 2 clutch end is arranged in the cylinder of inner core 11 front end, and described annular conduit 4 is arranged at the end, rear end of inner core 11, and described hydraulic spray nozzle 41 is all towards inner core 11 axially outside.Described water pipe 5 is arranged in the gap between inner core 11 and urceolus 12, and its one end is connected with annular conduit 4, and its other end then passes from urceolus 12 near connection bracket 6 side.Sound-insulating and heat-insulating layer 13 is provided with in gap between inner core 11 and urceolus 12.
On the basis of embodiment 1, be provided with motor mounting cylinder 8 in cylindrical shell 1, the barrel of described motor mounting cylinder 8 is provided with thermal-protective coating 81.Described motor 2 is placed in motor mounting cylinder 8, its clutch end is connected with smoke evacuation fan blade 3 through the front end of motor mounting cylinder 8, cylindrical shell 1 side is provided with the suction tude 9 be communicated with motor mounting cylinder 8 rear end, and its opposite side is provided with the outlet pipe 10 be communicated with motor mounting cylinder 8 front end.Be provided with breeze fan 91 in suction tude 9, in outlet pipe 10, be provided with exhaust fan 101.The port that suction tude 9, outlet pipe 10 are positioned at the outer one end of cylindrical shell is arranged down.Described water pipe 5 is provided with control valve 51, and the madial wall of cylindrical shell 1 is provided with fume detector 14, and described fume detector 14 communicates to connect with the control end of control valve 51.
It is to be understood that: although the present embodiment to be contrasted detailed description to the utility model; but these explanations; just to simple declaration of the present utility model; instead of to restriction of the present utility model; any innovation and creation do not exceeded in the utility model connotation, all fall in protection domain of the present utility model.
Claims (9)
1. a smoke exhaust fan, comprise cylindrical shell, be arranged at the motor in cylindrical shell and be connected to the smoke evacuation fan blade of motor power output terminal, it is characterized in that: the rear end of described cylindrical shell is provided with annular conduit, the tube wall of annular conduit is provided with some hydraulic spray nozzles, cylindrical shell is connected with the water pipe be communicated with annular conduit.
2. smoke exhaust fan according to claim 1, it is characterized in that: described cylindrical shell comprises inner core and urceolus, connection bracket is provided with on the downside of urceolus, inner core is arranged in urceolus, and by link press span, described motor is fixed in inner core in inner core, the described smoke evacuation fan blade be connected with motor power output terminal is arranged in the cylinder of inner core front end, and described annular conduit is arranged at the end, rear end of inner core, and described hydraulic spray nozzle is all towards inner core axially outside.
3. smoke exhaust fan according to claim 2, is characterized in that: described water pipe is arranged in the gap between inner core and urceolus, and its one end is connected with annular conduit, and its other end then passes from urceolus near connection bracket side.
4. smoke exhaust fan according to claim 2, is characterized in that: be provided with sound-insulating and heat-insulating layer in the gap between inner core and urceolus.
5. smoke exhaust fan according to claim 1, it is characterized in that: in cylindrical shell, be provided with motor mounting cylinder, described motor is placed in motor mounting cylinder, its clutch end is connected with smoke evacuation fan blade through the front end of motor mounting cylinder, cylindrical shell side is provided with the suction tude be communicated with motor mounting cylinder rear end, and its opposite side is provided with the outlet pipe be communicated with motor mounting cylinder front end.
6. smoke exhaust fan according to claim 5, is characterized in that: be provided with breeze fan in suction tude, is provided with exhaust fan in outlet pipe.
7. smoke exhaust fan according to claim 1, is characterized in that: the port that suction tude, outlet pipe are positioned at the outer one end of cylindrical shell is arranged down.
8. smoke exhaust fan according to claim 1, is characterized in that: described water pipe is provided with control valve, and the madial wall of cylindrical shell is provided with fume detector, and the control end of described fume detector and control valve communicates to connect.
9. smoke exhaust fan according to claim 1, is characterized in that: the barrel of described motor mounting cylinder is provided with thermal-protective coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520758901.7U CN205078471U (en) | 2015-09-28 | 2015-09-28 | Smoke exhaust fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520758901.7U CN205078471U (en) | 2015-09-28 | 2015-09-28 | Smoke exhaust fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205078471U true CN205078471U (en) | 2016-03-09 |
Family
ID=55430885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520758901.7U Expired - Fee Related CN205078471U (en) | 2015-09-28 | 2015-09-28 | Smoke exhaust fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205078471U (en) |
-
2015
- 2015-09-28 CN CN201520758901.7U patent/CN205078471U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205127615U (en) | Dust exhausting fan discharges fume | |
| CN203783977U (en) | Aerosol type high-temperature firefighting smoke exhaust fan | |
| CN104533840A (en) | Axial air incoming enclosure of axial-flow compressor | |
| CN105736146A (en) | Heavy-duty gas turbine shell | |
| CN203783925U (en) | Self-cooling, atomizing and high-temperature firefighting smoke exhaust fan | |
| CN205078471U (en) | Smoke exhaust fan | |
| CN106016322B (en) | flue gas desulfurization device | |
| CN204864624U (en) | Fire prevention ventilation system of discharging fume of underground substation | |
| CN208885556U (en) | A kind of firefighting fan | |
| CN204153801U (en) | Flue detects sample tap flange | |
| CN203276831U (en) | Steam silencer | |
| CN204460166U (en) | Steam generator relief valve mechanism | |
| CN204848941U (en) | Atmosphere protection annealing stove | |
| CN205154760U (en) | Smoke exhaust fan structure | |
| CN208845956U (en) | A kind of silencing apparatus for combustion engine water wash system discharge pipe line | |
| CN103542410A (en) | Heat supplying and smoke discharging integrated device | |
| CN103206235B (en) | Low-concentration short-distance closed gas emission device | |
| CN203249262U (en) | Air-cooled type furnace door structure preventing high-temperature deformation | |
| CN203634996U (en) | Spiral ring mist spray tank suction gas absorption device | |
| CN207540007U (en) | Air source heat pump indoor units | |
| CN204738988U (en) | Fire protection and smoke exhaust fan | |
| CN208844163U (en) | A kind of tail petticoat pipe and aluminium smelter | |
| CN204112669U (en) | A kind of Combined draught flue | |
| CN204553348U (en) | A kind of insulation type smoke exhaust fan | |
| CN205424997U (en) | Take backup protection's fire to examine cooling air device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160309 Termination date: 20170928 |