CN203175867U - Outer rotor centrifugal fan cooling assembly of screw air compressor - Google Patents
Outer rotor centrifugal fan cooling assembly of screw air compressor Download PDFInfo
- Publication number
- CN203175867U CN203175867U CN 201320097121 CN201320097121U CN203175867U CN 203175867 U CN203175867 U CN 203175867U CN 201320097121 CN201320097121 CN 201320097121 CN 201320097121 U CN201320097121 U CN 201320097121U CN 203175867 U CN203175867 U CN 203175867U
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- centrifugal fan
- fan
- cooler
- air compressor
- centrifugal
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Abstract
The utility model discloses an outer rotor centrifugal fan cooling assembly of a screw air compressor. The outer rotor centrifugal fan cooling assembly comprises a cooler component and a centrifugal fan component, wherein the cooler component is arranged on the wall side of the screw air compressor, the centrifugal fan component is connected with the cooler component, the cooler component comprises a plate-fin type cooler, a cooler housing is sheathed outside the plate-fin type cooler, a cooling air-out plate is arranged on the top of the cooler housing, a fan support for fixing the centrifugal fan component is arranged at the bottom of the cooler housing, the centrifugal fan component is composed of a centrifugal fan and a fan motor arranged on the centrifugal fan, and a closed cooling cavity is formed among the air suction side of the centrifugal fan, the fan motor, the fan support and the cooler housing. The outer rotor centrifugal fan cooling assembly is simple in structure and compact in installation space; due to adoption of the centrifugal fan, the air pressure during cooling is effectively increased, so that the cooling effect is good; the centrifugal fan can be matched with the coolers with different sizes for use; and when being used, the outer rotor centrifugal fan cooling assembly can be used for ensuring that the operating ambient temperature of the centrifugal fan is low, and the centrifugal fan is prevented from being burned due to poor cooling.
Description
Technical field
The utility model relates to a kind of screw air compressor, is specifically related to a kind of external rotor centrifugal fan cooling package of screw air compressor.
Background technique
Screw air compressor discharges a large amount of heats in the course of the work when air is compressed, need in time be taken away, otherwise easily cause the air compressor system temperature too high and damage, and therefore need be provided with cooling system in compressor.The cooling system of current employing is divided into air cooling system and constituent dual mode.Constituent need dispose equipment such as water cooling heat exchanger, water pump, cooling tower, also needs to lay the dedicated water pipeline, complex structure, cost height; And cooling water also needs to do softening the processing, and heat exchanger and pipeline inside will form incrustation scale after one to two year otherwise use, and reduce the heat exchange effect, and constituent also can't be used under low temperature environment.Adopt axial-flow blower to cool off in the air cooling system mostly, its deficiency is: the axial-flow blower size is big, and the heat exchanger supporting with it must have enough big size, narrow application range, and also blast is also low, and cooling effect is relatively poor.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provide a kind of simple in structure, installing space is compact, the external rotor centrifugal fan cooling package of the screw air compressor of good cooling results.
A kind of external rotor centrifugal fan cooling package of screw air compressor, comprise the cooler member that is installed in screw air compressor machine wall side and coupled centrifugal blower member, described cooler member comprises strip-fin oil cooler, described strip-fin oil cooler is arranged with the cooler cover outward, the top end of cooler cover is provided with and cools off aerofoil, the bottom is provided with for the fixing fan supporter of centrifugal blower member, described centrifugal blower member is made of centrifugal fan and fan motor disposed thereon, air draught side and the fan motor of described centrifugal fan, fan supporter, constitute an airtight cooling chamber between the cooler cover.
The inlet side of described centrifugal fan is equipped with the blower fan guide collar, and blower fan guide collar opposite side is covered with protection net.
Described fan supporter comprises at least two group bar shaped bending supporting frames, and described bar shaped bending supporting frame is fastened on respectively around the centrifugal blower member.
The blower fan mount inlet place of described centrifugal fan is provided with the blower fan cover plate.
The utility model is simple in structure, installing space is compact, the setting of centrifugal fan, blast when effectively raising cooling, make cooling effect better, can cooperate the cooler of multiple size to use, and structural design of the present utility model can guarantee that the centrifugal fan operating ambient temperature is lower, can prevent that it is because cooling off bad burning.
Description of drawings
Fig. 1 is the structural representation of screw air compressor.
Fig. 2 is main TV structure schematic representation of the present utility model.
Fig. 3 is the plan structure schematic representation of centrifugal blower member.
Embodiment
Below in conjunction with specific embodiment, the present invention will be further described.Should be understood that following examples are only for explanation the present invention but not for limiting the scope of the invention.
Referring to Fig. 1, the external rotor centrifugal fan cooling package 1 of a kind of screw air compressor that the utility model provides, be arranged on the drift angle place of screw air compressor 2, comprise the cooler member 3 that is installed in screw air compressor 2 machine wall sides and coupled centrifugal blower member 4, referring to Fig. 2, described cooler member 3 comprises strip-fin oil cooler 3a, described strip-fin oil cooler 3a is arranged with cooler cover 3b outward, the top end of cooler cover 3b is provided with and cools off aerofoil 3c, the bottom is provided with for the fixing fan supporter 3d of centrifugal blower member 4, described centrifugal blower member 4 is made of centrifugal fan 4a and fan motor 4b disposed thereon, the air draught side of described centrifugal fan 4a and fan motor 4b, fan supporter 3d, constitute an airtight cooling chamber 3e between the cooler cover 3b, the inlet side of described centrifugal fan 4a is equipped with blower fan guide collar 4c, and blower fan guide collar 4c opposite side is covered with protection net 4d.
During operation, because centrifugal fan 4a takes air drafting type, the cool air fan motor 4b that flows through earlier is discharged to the compressor outside after passing strip-fin oil cooler 3a again, can guarantee effectively that fan motor 4b operating ambient temperature is lower, prevent that fan motor 4b cooling is bad and burn.
In order to reduce stopping of the air flow channel of fan supporter 3d as far as possible, drag losses minimum after making air be inhaled in the cooler cover 3b, referring to Fig. 3, fan supporter 3d can be designed to many group bar shaped bending supporting frames, symmetry is fastened on around the centrifugal blower member 4 respectively.At last blower fan cover plate 5 is sealed the blower fan mount inlet, whole centrifugal blower member 4 is installed in the space of a sealing, can reduce the noise of blower fan greatly.
Claims (4)
1. the external rotor centrifugal fan cooling package of a screw air compressor, it is characterized in that: comprise the cooler member that is installed in screw air compressor machine wall side and coupled centrifugal blower member, described cooler member comprises strip-fin oil cooler, described strip-fin oil cooler is arranged with the cooler cover outward, the top end of cooler cover is provided with and cools off aerofoil, the bottom is provided with for the fixing fan supporter of centrifugal blower member, described centrifugal blower member is made of centrifugal fan and fan motor disposed thereon, air draught side and the fan motor of described centrifugal fan, fan supporter, constitute an airtight cooling chamber between the cooler cover.
2. the external rotor centrifugal fan cooling package of screw air compressor according to claim 1, it is characterized in that: the inlet side of described centrifugal fan is equipped with the blower fan guide collar, and blower fan guide collar opposite side is covered with protection net.
3. the external rotor centrifugal fan cooling package of screw air compressor according to claim 1, it is characterized in that: described fan supporter comprises at least two group bar shaped bending supporting frames, and described bar shaped bending supporting frame is fastened on respectively around the centrifugal blower member.
4. the external rotor centrifugal fan cooling package of screw air compressor according to claim 1, it is characterized in that: the blower fan mount inlet place of described centrifugal fan is provided with the blower fan cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320097121 CN203175867U (en) | 2013-03-04 | 2013-03-04 | Outer rotor centrifugal fan cooling assembly of screw air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320097121 CN203175867U (en) | 2013-03-04 | 2013-03-04 | Outer rotor centrifugal fan cooling assembly of screw air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203175867U true CN203175867U (en) | 2013-09-04 |
Family
ID=49072570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320097121 Expired - Fee Related CN203175867U (en) | 2013-03-04 | 2013-03-04 | Outer rotor centrifugal fan cooling assembly of screw air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203175867U (en) |
-
2013
- 2013-03-04 CN CN 201320097121 patent/CN203175867U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20130904 Termination date: 20190304 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |