CN218563938U - High-temperature-resistant axial flow fan - Google Patents
High-temperature-resistant axial flow fan Download PDFInfo
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- CN218563938U CN218563938U CN202223261238.9U CN202223261238U CN218563938U CN 218563938 U CN218563938 U CN 218563938U CN 202223261238 U CN202223261238 U CN 202223261238U CN 218563938 U CN218563938 U CN 218563938U
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Abstract
The utility model discloses a high temperature resistant axial fan, including fan casing, motor, blade and cooling device. The utility model discloses a cooling device has been set up on the motor surface, coolant pump through the circulating pump with the coolant liquid incasement sends into the coolant jacket, make the coolant liquid in the coolant jacket take away the heat on motor surface, ensure that the heat in the motor can in time discharge, avoid the motor to work for a long time in high temperature environment, its inside heat can't in time discharge, lead to life to shorten or even appear the phenomenon that overheated burnout, the surface through at feed liquor pipe and drain pipe has set up the protection tube cover, because feed liquor pipe and drain pipe expose usually in the high temperature air current, the protection tube cover has good high temperature resistance and heat-proof quality, can protect feed liquor pipe and drain pipe.
Description
Technical Field
The utility model relates to an axial fan field of relevance especially relates to a high temperature resistant axial fan.
Background
The axial flow fan is called as axial flow type because gas flows parallel to a fan shaft, the axial flow fan is usually used in occasions with higher flow requirement and lower pressure requirement, the high-temperature resistant axial flow fan belongs to a special fan, is specially used in high-temperature operation places, is made of materials with stronger high temperature resistance and high pressure resistance, and is mainly applied to the drying industry, the boiler industry, the cleaning industry, the coating industry and the food drying industry.
Chinese patent: CN202021065620.0 is a high temperature resistant axial fan that discharges fume, including the axial fan main casing body, the power motor protective housing is installed to the centre of the axial fan main casing body, four power motor protective housing fixed bolster are evenly installed in the one end outside of power motor protective housing, power motor is installed to the centre of power motor protective housing, power motor is provided with condenser tube with the centre of power motor protective housing, condenser tube's one end is provided with the inlet tube, condenser tube's the other end is provided with the outlet pipe, the fan is installed to power motor's front end. The utility model discloses a through installing driving gear ring, rotatory solid fixed ring, cleaning roller and condenser tube can clear away the axial compressor at the adnexed greasy dirt of during operation inner wall when axial fan works, guarantee axial fan's cleanness, can guarantee that axial fan can not cause the trouble because high temperature at inside electrical apparatus of during operation, simple structure, convenient operation.
The above patent describes a high temperature resistant axial flow fan, and the motor of the existing axial flow fan is separated from the external high temperature air flow by a shell cover, when the axial flow fan works in a high temperature environment for a long time, the internal temperature of the shell cover can be raised all the time, the motor is usually in a severe working environment, the service life of the motor can be reduced inevitably, and when the axial flow fan is used for a long time, the heat in the motor is difficult to be dissipated in time, and the phenomenon of overheating and burning is easy to occur.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above insufficiency, the utility model provides a high temperature resistant axial fan.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a high temperature resistant axial fan, includes fan casing, motor, blade and cooling device, install the motor on the fan casing inboard support, install the blade on the motor rear side output, the blade is ordered about by the motor and is rotated, the motor surface is provided with cooling device, cooling device includes cooling jacket, feed liquor pipe, drain pipe, coolant liquid case, heat exchanger and circulating pump, the shell surface of motor is arranged in to the cooling jacket cover, cooling jacket bottom surface front portion is provided with the feed liquor pipe, cooling jacket bottom surface rear portion is provided with the drain pipe, fan casing bottom end face is fixed with the coolant liquid case, the heat exchanger is installed at the coolant liquid case back to it can communicate each other to be equipped with the pipeline between coolant liquid case and the heat exchanger, the inboard front-mounting of coolant liquid case has the circulating pump to the feed liquor socle is connected with the liquid outlet of circulating pump, the drain pipe bottom is connected with the inlet of heat exchanger.
Preferably, the inner wall of the cooling jacket is closely adhered to the surface of the shell of the motor, and the length of the cooling jacket is at least 80% of the length of the motor.
Preferably, a shield is fixed at the edge of the front end face of the cooling jacket, and the shield and the center line of the motor are in the same horizontal direction.
Preferably, a knob is rotatably mounted in the through hole in the front end face of the protective cover, a screw is fixed on the front end face of the motor housing, and the screw can penetrate through a thread groove in the middle of the knob to be in threaded connection with the screw.
Preferably, both sides of the shell of the motor are transversely provided with guide rails, and the left side and the right side of the inner wall of the cooling jacket are provided with guide grooves corresponding to the guide rails.
Preferably, the outer surfaces of the liquid inlet pipe and the liquid outlet pipe are respectively sleeved with a protective pipe sleeve, and the thickness of the pipe wall of each protective pipe sleeve is not less than 2mm.
Preferably, the outer surface of the cooling jacket is provided with a heat insulation jacket, and the thickness of the heat insulation jacket is not less than 4mm.
The utility model has the advantages that:
the utility model discloses a set up cooling device on the motor surface, the coolant pump through the circulating pump with the coolant liquid incasement sends into the cooling jacket, makes the coolant liquid in the cooling jacket take away the heat on motor surface, ensures that the heat in the motor can in time be discharged, avoids the motor to work for a long time in high temperature environment, and its inside heat can't in time discharge, leads to life to shorten the phenomenon that overheated burnout appears even.
The utility model discloses a surface at feed liquor pipe and drain pipe has set up the protection tube cover, because feed liquor pipe and drain pipe expose in high temperature gas flow usually, the protection tube cover has good high temperature resistance can and heat-proof quality, can protect feed liquor pipe and drain pipe.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a schematic structural view of the fan casing of the present invention after being cut open;
fig. 3 is a schematic structural view of the cooling device of fig. 2 according to the present invention, with the cooling device removed;
FIG. 4 is a schematic structural view of the cooling device of the present invention;
FIG. 5 is a schematic view of the disassembled structure of the cooling device of the present invention;
fig. 6 is a schematic view of the structure of the cooling jacket of the present invention.
Wherein: the fan comprises a fan shell body-1, a motor-2, blades-3, a cooling device-4, a cooling jacket-41, a liquid inlet pipe-42, a liquid outlet pipe-43, a cooling liquid box-44, a heat exchanger-45, a circulating pump-46, a protective cover-47, a knob-48, a screw rod-49, a protective pipe sleeve-410 and a heat insulation sleeve-411.
Detailed Description
In order to further explain the technical solution of the present invention, the following detailed description is given by way of specific examples.
Referring to fig. 1 and 3, the present invention provides a high temperature resistant axial flow fan, which includes a fan housing 1, a motor 2, a blade 3 and a cooling device 4, wherein the motor 2 is installed on a support inside the fan housing 1, the blade 3 is installed on an output end of the rear side of the motor 2, the blade 3 is driven by the motor 2 to rotate, and the surface of the motor 2 is provided with the cooling device 4.
Referring to fig. 2, 4, 5 and 6, the cooling device 4 of the present invention includes a cooling jacket 41, a liquid inlet pipe 42, a liquid outlet pipe 43, a cooling liquid tank 44, a heat exchanger 45 and a circulating pump 46, wherein the cooling jacket 41 is sleeved on the surface of the housing of the motor 2, the cooling liquid can flow inside the cooling jacket 41 to take away the heat on the surface of the housing of the motor 2, the front interface of the bottom end surface of the cooling jacket 41 is connected with the liquid inlet pipe 42, the cooling liquid is led into the cooling jacket 41 through the liquid inlet pipe 42, the rear interface of the bottom end surface of the cooling jacket 41 is connected with the liquid outlet pipe 43, the cooling liquid is led out from the cooling jacket 41 through the liquid outlet pipe 43, the screw is fixed to the middle part of the bottom end surface of the fan casing 1, the heat exchanger 45 for reducing the cooling liquid temperature is installed at the back of the cooling liquid tank 44, and the pipe is arranged between the cooling liquid tank 44 and the heat exchanger 45 to enable the cooling liquid tank to communicate with each other, the circulating pump 46 is installed at the front part inside of the cooling liquid tank 44, the liquid outlet of the circulating pump 46 is located at the top of the cooling liquid tank 44, and the liquid inlet of the circulating pump 46 is connected with the liquid inlet of the liquid outlet pipe 45.
Further, the inner wall of the cooling jacket 41 is tightly adhered to the surface of the housing of the motor 2, and the length of the cooling jacket 41 is at least 80% of the length of the motor 2, so as to ensure the cooling effect of the cooling jacket 41 on the motor 2.
Further, a circular truncated cone-shaped shield 47 is welded and fixed to the edge of the front end face of the cooling jacket 41, and the center line of the shield 47 and the center line of the motor 2 are in the same horizontal direction, so that the shield 47 can function to disperse air flow, and high-temperature air flow is not easy to directly blow to the surface of the motor 2.
Further, the through hole at the center of the front end face of the protective cover 47 is rotatably connected with the knob 48 by a bearing, the screw 49 is fixedly welded at the center of the front end face of the shell of the motor 2, the screw 49 can penetrate through the thread groove at the middle of the knob 48 to be in threaded connection with the screw, and the cooling jacket 41 is fixed on the surface of the shell of the motor 2 by matching the knob 48 with the screw 49.
Further, guide rails are transversely arranged on two sides of the shell of the motor 2, guide grooves corresponding to the guide rails are arranged on the left side and the right side of the inner wall of the cooling jacket 41, and the cooling jacket 41 can be assembled and fixed on the shell of the motor 2 better through the matching of the guide rails on the shell of the motor 2 and the guide grooves on the inner wall of the cooling jacket 41.
Further, the outer surfaces of the liquid inlet tube 42 and the liquid outlet tube 43 are both sleeved with a protective tube sleeve 410, wherein the thickness of the tube wall of the protective tube sleeve 410 is not less than 2mm, and since the liquid inlet tube 42 and the liquid outlet tube 43 are usually exposed to high-temperature air flow, the protective tube sleeve 410 has good high-temperature resistance and heat insulation performance, and can protect the liquid inlet tube 42 and the liquid outlet tube 43.
Further, the outer surface of the cooling jacket 41 is provided with the heat insulating jacket 411, the thickness of the heat insulating jacket 411 is not less than 4mm, and the heat of the external high-temperature air flow can be prevented from entering the cooling jacket 41 through the arranged heat insulating jacket 411, so that the cooling effect of the cooling jacket 41 on the motor 2 is ensured.
Further, the heat pipe sleeve 410 of the present invention is woven from high-expansion alkali-free glass fiber sand, and coated with thick silicone rubber, and can be continuously exposed to a high temperature of 260 ℃ without being damaged, and has excellent heat-insulating properties, and can protect the liquid inlet pipe 42 and the liquid outlet pipe 43 in a high-temperature environment.
Further explaining, the utility model discloses well heat insulating jacket 411 adopts the rock wool pipe, and its coefficient of thermal conductivity is low, and thermal insulation performance is good, can prevent the heat of outside high temperature air current to get into cooling jacket 41, guarantees cooling jacket 41 to motor 2's cooling effect.
The working principle is as follows:
firstly, before use, the fan casing 1 is firstly installed to a preset ventilation position, and then the motor 2, the heat exchanger 45 and the circulating pump 46 are connected to an external switch for centralized control.
Secondly, in high temperature operation places such as the drying industry, the boiler industry and the like, a high temperature resistant axial flow fan is needed, in the using process, the motor 2 is electrified to work to drive the blades 3 to rotate, so that high temperature air flow is discharged outwards through the fan shell 1, in the process, because the motor 2 is located in the high temperature environment in the fan shell 1, if the motor 2 needs to work for a long time in the high temperature environment, the cooling device 4 is started, at the moment, the circulating pump 46 pumps the cooling liquid in the cooling liquid tank 44 into the cooling jacket 41 through the liquid inlet pipe 42, so that the heat on the surface of the motor 2 is taken away by the cooling liquid in the cooling jacket 41, the cooling liquid absorbing the heat is discharged out of the cooling jacket 41 through the liquid outlet pipe 43 and then enters the heat exchanger 45, the cooling liquid returns to the cooling liquid tank 44 again after being cooled in the heat exchanger 45 to complete circulation, so that the cooling jacket 41 continuously cools the motor 2, the heat in the motor 2 is ensured to be discharged in time, and the phenomenon that the motor 2 works for a long time and the internal heat cannot be discharged out in time, thereby shortening the service life and even being overheated and even burned out is caused.
Thirdly, in the using process, the circular truncated cone-shaped protective cover 47 is arranged on the front end face of the cooling jacket 41, the protective cover 47 can play a role in dispersing air flow, high-temperature air flow is not easy to directly blow to the surface of the motor 2, the heat dissipation pressure of the motor is reduced, the protective jacket 410 is arranged on the outer surfaces of the liquid inlet pipe 42 and the liquid outlet pipe 43, the liquid inlet pipe 42 and the liquid outlet pipe 43 are usually exposed in the high-temperature air flow, the protective jacket 410 has good high-temperature resistance and heat insulation performance, the liquid inlet pipe 42 and the liquid outlet pipe 43 can be protected, the heat insulation jacket 411 is arranged on the outer surface of the cooling jacket 41, the heat insulation jacket 411 can prevent heat of external high-temperature air flow from entering the cooling jacket 41, and the cooling effect of the cooling jacket 41 on the motor 2 is guaranteed.
Fourthly, when the motor 2 needs to be overhauled, firstly the liquid inlet pipe 42 and the liquid outlet pipe 43 are detached from the cooling jacket 41, then the knob 48 on the front end surface of the protective cover 47 is screwed to enable the knob 48 to be screwed out of the surface of the screw 49, so that the cooling jacket 41 and the protective cover 47 can be detached from the surface of the motor 2 together, the motor 2 is exposed, and the maintenance is convenient.
The utility model provides a high temperature resistant axial fan, through having set up cooling device 4 on the motor 2 surface, coolant pump through circulating pump 46 in with coolant liquid tank 44 advances cooling jacket 41, the heat on motor 2 surface is taken away to the coolant liquid that makes in the cooling jacket 41, ensure that the heat in the motor 2 can in time discharge, avoid motor 2 long-time work in high temperature environment, its inside heat can't in time discharge, lead to life to shorten the phenomenon that overheated burnout appears even, surface through at feed liquor pipe 42 and drain pipe 43 has set up protection tube housing 410, because feed liquor pipe 42 and drain pipe 43 expose usually in the high temperature air current, protection tube housing 410 has good high temperature resistance and heat-proof quality, can protect feed liquor pipe 42 and drain pipe 43.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A high-temperature-resistant axial flow fan comprises a fan shell (1), a motor (2) and blades (3), wherein the motor (2) is arranged on a bracket on the inner side of the fan shell (1), the blades (3) are arranged on the output end of the rear side of the motor (2), and the blades (3) are driven to rotate by the motor (2);
the method is characterized in that: the cooling device (4) is arranged on the surface of the motor (2), the cooling device (4) comprises a cooling jacket (41), a liquid inlet pipe (42), a liquid outlet pipe (43), a cooling liquid tank (44), a heat exchanger (45) and a circulating pump (46), the cooling jacket (41) is sleeved on the surface of the shell of the motor (2), the liquid inlet pipe (42) is arranged in front of the bottom end face of the cooling jacket (41), the liquid outlet pipe (43) is arranged at the rear of the bottom end face of the cooling jacket (41), the cooling liquid tank (44) is fixed on the bottom end face of the fan shell (1), the heat exchanger (45) is arranged at the back of the cooling liquid tank (44), a pipeline is arranged between the cooling liquid tank (44) and the heat exchanger (45) to enable the cooling liquid tank to be communicated with each other, the circulating pump (46) is arranged at the front of the inner side of the cooling liquid tank (44), the bottom end of the liquid inlet pipe (42) is connected with a liquid outlet of the circulating pump (46), and the bottom end of the liquid outlet pipe (43) is connected with a liquid inlet of the heat exchanger (45).
2. The high-temperature resistant axial flow fan according to claim 1, characterized in that: the inner wall of the cooling jacket (41) is tightly attached to the surface of the shell of the motor (2), and the length of the cooling jacket (41) is at least 80% of the length of the motor (2).
3. The high-temperature resistant axial flow fan according to claim 1, characterized in that: a protective cover (47) is fixed at the edge of the front end face of the cooling jacket (41), and the protective cover (47) and the central line of the motor (2) are in the same horizontal direction.
4. The high temperature resistant axial flow fan of claim 3, wherein: knob (48) are installed in the rotation of the preceding terminal surface through-hole of guard shield (47), the preceding terminal surface of motor (2) shell is fixed with screw rod (49), screw rod (49) can run through the thread groove in knob (48) middle part and carry out threaded connection rather than.
5. The high-temperature resistant axial flow fan according to claim 1, characterized in that: the guide rails are transversely arranged on two sides of the shell of the motor (2), and guide grooves corresponding to the guide rails are arranged on the left side and the right side of the inner wall of the cooling sleeve (41).
6. The high-temperature resistant axial flow fan according to claim 1, characterized in that: the outer surfaces of the liquid inlet pipe (42) and the liquid outlet pipe (43) are respectively sleeved with a protection pipe sleeve (410), wherein the pipe wall thickness of the protection pipe sleeve (410) is not less than 2mm.
7. The high-temperature resistant axial flow fan according to claim 1, characterized in that: the outer surface of the cooling jacket (41) is provided with a heat insulation jacket (411), and the thickness of the heat insulation jacket (411) is not less than 4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223261238.9U CN218563938U (en) | 2022-12-06 | 2022-12-06 | High-temperature-resistant axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223261238.9U CN218563938U (en) | 2022-12-06 | 2022-12-06 | High-temperature-resistant axial flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218563938U true CN218563938U (en) | 2023-03-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223261238.9U Active CN218563938U (en) | 2022-12-06 | 2022-12-06 | High-temperature-resistant axial flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218563938U (en) |
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2022
- 2022-12-06 CN CN202223261238.9U patent/CN218563938U/en active Active
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