CN206972571U - A kind of explosion-proof axial flow fan - Google Patents
A kind of explosion-proof axial flow fan Download PDFInfo
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- CN206972571U CN206972571U CN201720934826.4U CN201720934826U CN206972571U CN 206972571 U CN206972571 U CN 206972571U CN 201720934826 U CN201720934826 U CN 201720934826U CN 206972571 U CN206972571 U CN 206972571U
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- air
- water
- pipe
- protective cover
- explosion
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Abstract
The utility model proposes a kind of explosion-proof axial flow fan, including air duct, the air duct inwall is provided with some electric machine supports and connected fire-proof motor, the fire-proof motor is provided with flabellum, described air duct one end is provided with protective cover and fixed plate, the one side of the protective cover towards flabellum is provided with particulate matter detection means, the protective cover is provided with some annular foam injection spray pipes being arranged concentrically, connected between adjacent annular foam injection spray pipe by water-supply-pipe, the annular foam injection spray pipe is provided with some foam spouts towards its outer wall of the side of air-flow direction, also include water supply installation, the water supply installation is connected with water-supply-pipe and controls the water delivery of water-supply-pipe by the content of particulate in air detected by particulate matter detection means.For the utility model while air draft is done for inflammable and explosive occasion, dust content in air catches dust in air to control annular foam injection spray pipe to spray foam, reduces the dust content of discharge air, prevents the possibility of dust explosion.
Description
Technical field
It the utility model is related to explosion-proof electric apparatus field, and in particular to a kind of explosion-proof axial flow fan.
Background technology
Current many factories in production and processing, room air can contain certain density gas, gasoline, ether, ethanol,
The flammable explosive gas such as benzene, its electrical contact, mechanical friction or spark caused by classical release, can cause burning or blast, because
This can set blower fan to be aspirated, and be circulated room air, but blower fan at work itself when by electrical energy drive,
Therefore also easily situations such as cremating, ignites flammable explosive gas.
Therefore China Patent No. 201510625554.5 discloses a kind of explosion-proof fan, including fire-proof motor body and fixation
The electric machine support of fire-proof motor, the fire-proof motor are arranged in the middle part of electric machine support, and the electric machine support both ends are equipped with explosion-proof
Casing, the explosion-proof housing inner side at the electric machine support both ends are provided with guide plate, and the fire-proof motor output end is provided with flabellum, described
Flabellum side is provided with screen pack, and the screen pack both ends are fixed on the inside of explosion-proof housing.Explosion-proof fan adds screen pack and prevented
The suction of debris, avoiding debris from damaging while also will not therefore produce spark flabellum causes Mixed Gases Explosion.
Although above-mentioned patent has added screen pack to prevent the entrance of debris, avoid foreign matter from hitting flabellum and draw spark, still
Combustible dust is often there are in real life, combustible dust can only be discharged to outdoor by traditional blower fan, but not have
The inflammable and explosive property of dust is obstructed from source.
Therefore need to such as solve the dust content in air, it is necessary to caught by foam, according to Chinese patent
A kind of particulate matter detection means for the relevant information for measuring particulate in air disclosed in 201420317765.3, including air-flow list
Member, detection unit and testing result computing unit；Air flow unit includes driving part and gas channel, driving part driving institute
State the air outside detection means and enter gas channel, detection unit is arranged on the gas channel and by particle in the air
The relevant information of thing is converted into electric signal, the electric signal output testing result that testing result computing unit exports according to detection unit
；The particulate matter detection means also has the feedback unit for the actuating speed for feeding back the driving part.
The patent can by monitor particulate in air number come the velocity of rotation of controlled motor, therefore can will control electricity
Machine changes water pump into, so as to control the ejection of foam to catch dust with this.
Utility model content
Based on above mentioned problem, the utility model purpose be to provide one kind can according to particle content in air draft towards air
Spray into the explosion-proof axial flow fan of foam.
For problem above, there is provided following technical scheme：A kind of explosion-proof axial flow fan, including air duct, in the air duct
Wall is evenly equipped with some electric machine supports, and the air duct center is provided with fire-proof motor, and the electric machine support is connected with fire-proof motor, described
The motor shaft of fire-proof motor is provided with flabellum, and the port inner wall of described air duct one end is provided with protective cover, air court in the air duct
Protective cover one end is flowed, and the air duct is cased with fixed plate provided with its port outer wall of one end of protective cover, and the fixed plate is square
Its four corners are provided with mounting hole, and the one side of the protective cover towards flabellum is provided with particulate matter detection means, the protective cover
It is provided with and is connected between some annular foam injection spray pipes being arranged concentrically, adjacent annular foam injection spray pipe by water-supply-pipe, it is described
Annular foam injection spray pipe is provided with some foam spouts, in addition to water supply installation, institute towards its outer wall of the side of air-flow direction
Water supply installation is stated with water-supply-pipe to be connected and control by the content of particulate in air detected by particulate matter detection means defeated
The water delivery of water pipe.
In said structure, the number of particulate in air content is detected by setting particulate matter detection means, is controlled with this
The foam spout for making annular foam injection spray pipe sprays foam, before particulate matter detection means is located at foam spout during due to air flow
Side, therefore detected particle content will not be influenceed by foam, promote the dust content of air via protective cover discharge to drop
It is low, avoid causing dust explosion and dust from flying.
The utility model is further arranged to, and the water supply installation is tank, and pressure pump is provided with the water supply installation,
The pressure pump is connected with water-supply-pipe.
In said structure, force (forcing) pump controls work by particulate matter detection means, and force (forcing) pump, which can improve hydraulic pressure, makes foam spout
Finer and smoother foam is sprayed, foam is preferably combined with the particulate matter in air.
The utility model is further arranged to, and the electric machine support is provided with annular that is some concentric and being intervally installed
Each electric machine support is interconnected to form screen pack by filter ring, the annular filter ring.
The utility model is further arranged to, and the flabellum is between electric machine support and protective cover.
The beneficial effects of the utility model：, can be according to the dust in air while air draft is done for inflammable and explosive occasion
Content catches dust in air to control annular foam injection spray pipe to spray foam, the air-borne dust content of discharge is significantly dropped
It is low, so as to prevent the possibility of dust explosion completely, and there is filter effect.
Brief description of the drawings
Fig. 1 is overall complete section structural representation of the present utility model.
Fig. 2 is left view structural representation of the present utility model.
Label implication in figure：10- air ducts；11- electric machine supports；111- annular filter rings；12- fire-proof motors；13- flabellums；
14- protective covers；141- annular foam injection spray pipes；142- water-supply-pipes；143- foam spouts；15- fixed plates；151- mounting holes；16-
Particulate matter detection means；17- water supply installations；171- pressure pumps.
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to the scope of the utility model.
With reference to figure 1 and Fig. 2, a kind of explosion-proof axial flow fan as shown in Figures 1 and 2, including air duct 10, in the air duct 10
Wall is evenly equipped with some electric machine supports 11, and the center of air duct 10 is provided with fire-proof motor 12, the electric machine support 11 and fire-proof motor
12 are connected, and the motor shaft of the fire-proof motor 12 is provided with flabellum 13, and the port inner wall of described one end of air duct 10 is provided with protective cover
14, air is driven by flabellum 13 in the air duct 10 makes it be flowed towards the one end of protective cover 14, and the air duct 10 is provided with protective cover
Its port outer wall of 14 one end is cased with fixed plate 15, and the fixed plate 15 its four corners that are square are provided with mounting hole 151, institute
The one side for stating protective cover 14 towards flabellum 13 is provided with particulate matter detection means 16, and the protective cover 14 is provided with some be arranged concentrically
Annular foam injection spray pipe 141, connected by water-supply-pipe 142 between adjacent annular foam injection spray pipe 141, the annular foam spray
Mist pipe 141 is provided with some foam spouts 143, in addition to water supply installation 17 towards its outer wall of the side of air-flow direction, described
Water supply installation 17 is connected with water-supply-pipe 142 and controlled by the content of particulate in air detected by particulate matter detection means 16
The water delivery of water-supply-pipe 142 processed.
In said structure, the number of particulate in air content is detected by setting particulate matter detection means 16, with this
The foam spout 143 of annular foam injection spray pipe 141 is controlled to spray foam, particulate matter detection means 16 is located at during due to air flow
The front of foam spout 143, therefore detected particle content will not be influenceed by foam, promote to discharge via protective cover 14
Dust content of air reduce, avoid causing dust explosion and dust from flying.
In the present embodiment, the water supply installation 17 is tank, and pressure pump 171 is provided with the water supply installation 17, described
Pressure pump 171 is connected with water-supply-pipe 142.
In said structure, force (forcing) pump 171 controls work by particulate matter detection means 16, and force (forcing) pump 171, which can improve hydraulic pressure, to be made
Foam spout 143 sprays finer and smoother foam, foam is preferably combined with the particulate matter in air.
In the present embodiment, the electric machine support 11 is provided with annular filter ring 111 that is some concentric and being intervally installed,
Each electric machine support 11 is interconnected to form screen pack by the annular filter ring 111.
In the present embodiment, the flabellum 13 is between electric machine support 11 and protective cover 14.
The beneficial effects of the utility model：, can be according to the dust in air while air draft is done for inflammable and explosive occasion
Content catches dust in air to control annular foam injection spray pipe 141 to spray foam, makes the air-borne dust content of discharge significantly
Reduce, so as to prevent the possibility of dust explosion completely, and there is filter effect.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvement and modification, above-mentioned vacation can also be made
If these improvement and modification also should be regarded as the scope of protection of the utility model.
Claims (4)
1. a kind of explosion-proof axial flow fan, including air duct, the air duct inner wall even distribution has some electric machine supports, and the air duct center is set
There is fire-proof motor, the electric machine support is connected with fire-proof motor, and the motor shaft of the fire-proof motor is provided with flabellum, the air duct
The port inner wall of one end is provided with protective cover, and air flows towards protective cover one end in the air duct, and the air duct is provided with protective cover
Its port outer wall of one end is cased with fixed plate, and the fixed plate its four corners that are square are provided with mounting hole, it is characterised in that：Institute
The one side for stating protective cover towards flabellum is provided with particulate matter detection means, and the protective cover is provided with some annular water being arranged concentrically
Connected between foam injection spray pipe, adjacent annular foam injection spray pipe by water-supply-pipe, the annular foam injection spray pipe is towards air flow side
To its outer wall of side be provided with some foam spouts, in addition to water supply installation, the water supply installation are connected and led to water-supply-pipe
The content of particulate in air detected by particulate matter detection means is crossed to control the water delivery of water-supply-pipe.
A kind of 2. explosion-proof axial flow fan according to claim 1, it is characterised in that：The water supply installation is tank, described
Pressure pump is provided with water supply installation, the pressure pump is connected with water-supply-pipe.
A kind of 3. explosion-proof axial flow fan according to claim 2, it is characterised in that：The electric machine support is provided with some same
Each electric machine support is interconnected to form screen pack by the heart and the annular filter ring being intervally installed, the annular filter ring.
A kind of 4. explosion-proof axial flow fan according to claim 3, it is characterised in that：The flabellum is located at electric machine support with protecting
Between shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720934826.4U CN206972571U (en) | 2017-07-29 | 2017-07-29 | A kind of explosion-proof axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720934826.4U CN206972571U (en) | 2017-07-29 | 2017-07-29 | A kind of explosion-proof axial flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206972571U true CN206972571U (en) | 2018-02-06 |
Family
ID=61397949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720934826.4U Expired - Fee Related CN206972571U (en) | 2017-07-29 | 2017-07-29 | A kind of explosion-proof axial flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206972571U (en) |
-
2017
- 2017-07-29 CN CN201720934826.4U patent/CN206972571U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325600 Liuzhai Village, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee after: Xuanfeng Explosion-proof Technology Co.,Ltd. Address before: 325600 Liuzhai Village, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: ZHEJIANG XUANFENG EXPLOSION PROOF ELECTRICAL CO.,LTD. |
|
| 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: 20180206 Termination date: 20210729 |