Variable-frequency high-temperature fan

Abstract

The utility model relates to the technical field of high-temperature fans, in particular to a variable-frequency high-temperature fan, which comprises a fan body, a circular water tank and a filter tank, an impeller is rotatably mounted in the fan body, an air outlet is arranged at the upper end of the fan body, and an air inlet is arranged at one side end of the fan body. A driving motor is arranged at the front end of the fan body, a main shaft of the driving motor is connected with the axis of the impeller, the circular water tank is installed at the front end of the fan body, a containing groove is formed in the contact face of the circular water tank and the fan body, and linear heat conduction copper pipes distributed in an array mode are installed in the circular water tank. The linear heat conduction copper pipe extends into the containing groove to be provided with an annular heat conduction copper pipe, the driving motor is located in the annular heat conduction copper pipe, and the filter box is installed at an air inlet of the fan body and communicates with the air inlet of the fan body. The motor cooling device has the advantages that the motor can be effectively cooled, dust can be filtered, and the influence on the work of the fan is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of high-temperature fans, in particular to a variable-frequency high-temperature fan. Background Art

[0002] High temperature fans are special fans, mainly used for high temperature operations. The operating temperature is generally between 100-180℃, and they are specially used in high temperature workplaces. Their materials have strong resistance to high temperature and high pressure. High temperature fans are widely used in the chemical industry, petroleum, metallurgy, forging, electric power, nuclear power plants, environmental protection and other fields.

[0003] During use, the variable frequency high temperature fan will have a high temperature due to the flow of high temperature gas, which will cause the temperature of the motor to rise, affecting the service life of the motor. In addition, there is a certain amount of dust in the high temperature gas, which is easy to adhere to the impeller. When there is a lot of dust attached to the impeller, it will affect the normal operation of the variable frequency high temperature fan. Utility Model Content

[0004] The purpose of the utility model is to provide a variable frequency high temperature fan, which has the advantages of being able to effectively dissipate heat for the motor and filter dust to prevent it from affecting the operation of the fan, thereby solving the problems raised by the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a variable frequency high-temperature fan, comprising a fan body, a circular water tank and a filter box, an impeller is rotatably installed in the fan body, an air outlet is arranged at the upper end of the fan body, an air inlet is arranged at one side end of the fan body, a drive motor is arranged at the front end of the fan body, the main shaft of the drive motor is connected with the axis of the impeller, the circular water tank is installed at the front end of the fan body, a receiving groove is arranged on the contact surface between the circular water tank and the fan body, linear heat-conducting copper tubes distributed in an array are installed in the circular water tank, the linear heat-conducting copper tubes extend to the receiving groove and an annular heat-conducting copper tube is installed, the drive motor is located in the annular heat-conducting copper tube and contacts with the annular heat-conducting copper tube, the filter box is installed at the air inlet of the fan body, and the filter box is connected with the air inlet of the fan body.

[0006] Preferably, a water inlet pipe is provided at the upper end of the circular water tank, a water outlet pipe is provided at the lower end of the circular water tank, and valves are provided on the water inlet pipe and the water outlet pipe.

[0007] Preferably, a mounting opening is provided at the lower end of the filter box, a metal filter screen is installed into the filter box from the mounting opening, and a metal frame is provided outside the metal filter screen.

[0008] Preferably, a mounting cover is installed at the lower end of the metal frame, threaded holes distributed in an array are opened at the lower end of the filter box, mounting holes corresponding to the threaded holes are opened on the mounting cover, and bolts are installed in the mounting holes and the inner threads of the threaded holes.

[0009] Preferably, a positioning groove communicating with the installation port is formed on the inner wall of the filter box, and the metal frame is located in the positioning groove.

[0010] Preferably, an air inlet pipe is installed at the side end of the filter box, and the air inlet pipe is connected to the filter box.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. During continuous operation, the drive motor will be affected by the high-temperature gas, causing the temperature to rise. Cooling water is added to the circular water tank through the water inlet pipe. The heat on the drive motor can be absorbed through the annular thermal copper tube. The heat on the annular thermal copper tube can be introduced into the circular water tank through the linear thermal copper tube. The heat can be absorbed by the cooling water, thereby quickly and effectively dissipating the heat of the drive motor.

[0013] 2. When high-temperature air circulates, it will pass through the filter box. The air can be filtered through the metal filter in the filter box, which can intercept the dust in the air and prevent the dust in the high-temperature gas from adhering to the impeller, thus ensuring the service life of the high-temperature fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a front view structural schematic diagram of the utility model;

[0015] Figure 2 It is a partial front view structural schematic diagram of the utility model;

[0016] Figure 3 It is a cross-sectional structural schematic diagram of the utility model;

[0017] Figure 4 It is a partial structural schematic diagram of the utility model.

[0018] The reference numerals and names in the figures are as follows:

[0019] 101. Fan body; 102. Air outlet; 103. Drive motor; 201. Circular water tank; 202. Water inlet pipe; 203. Water outlet pipe; 204. Linear thermal copper tube; 205. Annular thermal copper tube; 206. Receiving tank; 301. Filter box; 302. Air inlet pipe; 303. Metal filter; 304. Metal frame; 305. Install cover. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Embodiment 1

[0022] See also Figures 1 to 4 The utility model provides an embodiment: a variable frequency high temperature fan, comprising:

[0023] The fan body 101, the circular water tank 201 and the filter box 301, the fan body 101 is provided with an impeller, the upper end of the fan body 101 is provided with an air outlet 102, and the side end of the fan body 101 is provided with an air inlet. The front end of the fan body 101 is provided with a drive motor 103, and the main shaft of the drive motor 103 is connected to the axis of the impeller. The circular water tank 201 is installed at the front end of the fan body 101, and the circular water tank 201 is connected to the fan body. The contact surface of the body 101 is provided with a receiving groove 206, and the circular water tank 201 is installed with linear heat-conducting copper tubes 204 distributed in an array, and the linear heat-conducting copper tubes 204 extend to the receiving groove 206 and an annular heat-conducting copper tube 205 is installed therein, and the driving motor 103 is located in the annular heat-conducting copper tube 205 and contacts with the annular heat-conducting copper tube 205, and the filter box 301 is installed at the air inlet of the fan body 101, and the filter box 301 is connected with the air inlet of the fan body 101.

[0024] In this embodiment, when the variable frequency high temperature fan is working, the drive motor 103 is driven to make the impeller rotate at high speed. During continuous operation, the drive motor 103 will be affected by the high temperature gas and cause the temperature to rise. Cooling water is added to the circular water tank 201 through the water inlet pipe 202, and the heat on the drive motor 103 can be absorbed through the annular heat-conducting copper tube 205. The heat on the annular heat-conducting copper tube 205 can be introduced into the circular water tank 201 through the linear heat-conducting copper tube 204. The heat can be absorbed by the cooling water, thereby dissipating the heat of the drive motor 103.

[0025] Furthermore,

[0026] The upper end of the circular water tank 201 is provided with a water inlet pipe 202, and the lower end of the circular water tank 201 is provided with a water outlet pipe 203. Valves are provided on the water inlet pipe 202 and the water outlet pipe 203. Cooling water can be added into the circular water tank 201 through the water inlet pipe 202. When the temperature of the cooling water in the circular water tank 201 increases, the water in the circular water tank 201 can be discharged through the water outlet pipe 203.

[0027] Embodiment 2

[0028] See also Figures 1 to 4 The utility model provides an embodiment: a variable frequency high temperature fan. Compared with the first embodiment, the present embodiment further includes:

[0029] The filter box 301 has an installation opening at the lower end, a metal filter screen 303 is installed into the filter box 301 from the installation opening, and a metal frame 304 is arranged outside the metal filter screen 303 .

[0030] In this embodiment, when high-temperature air circulates, it passes through the filter box 301 , and the air can be filtered through the metal filter 303 in the filter box 301 , thereby trapping dust in the air.

[0031] Furthermore,

[0032] The lower end of the metal frame 304 is provided with a mounting cover plate 305, the lower end of the filter box 301 is provided with threaded holes distributed in an array, the mounting cover plate 305 is provided with mounting holes corresponding to the threaded holes, and bolts are installed in the mounting holes and the threaded holes. The threaded holes and the mounting holes are provided with bolts to fix the mounting cover plate 305, thereby installing the metal filter screen 303.

[0033] Furthermore,

[0034] The inner wall of the filter box 301 is provided with a positioning groove connected to the installation port, and the metal frame 304 is located in the positioning groove. The positioning groove can limit the metal frame 304.

[0035] Furthermore,

[0036] An air inlet pipe 302 is installed at the side end of the filter box 301, and the air inlet pipe 302 is connected to the filter box 301. High-temperature gas can enter the filter box 301 through the air inlet pipe 302.

[0037] The fan body 101 in the present invention is a well-known device, and its working principle and circuit connection are well known to technicians in the field, and are conventional means or common knowledge, so they will not be elaborated here. Those skilled in the art can make any selection according to their needs or convenience.

[0038] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A variable frequency high temperature fan, comprising a fan body (101), a circular water tank (201) and a filter box (301), characterized in that: An impeller is rotatably mounted in the fan body (101); an air outlet (102) is arranged at the upper end of the fan body (101); an air inlet is arranged at one side end of the fan body (101); a driving motor (103) is arranged at the front end of the fan body (101); a main shaft of the driving motor (103) is connected to the axis of the impeller; the circular water tank (201) is mounted at the front end of the fan body (101); a receiving groove (201) is arranged on the contact surface between the circular water tank (201) and the fan body (101); 206), the circular water tank (201) is provided with linear heat-conducting copper tubes (204) distributed in an array, the linear heat-conducting copper tubes (204) extend to the receiving groove (206) in which an annular heat-conducting copper tube (205) is installed, the driving motor (103) is located in the annular heat-conducting copper tube (205) and is in contact with the annular heat-conducting copper tube (205), the filter box (301) is installed at the air inlet of the fan body (101), and the filter box (301) is connected to the air inlet of the fan body (101).

2. A variable frequency high temperature fan according to claim 1, characterized in that: The upper end of the circular water tank (201) is provided with a water inlet pipe (202), and the lower end of the circular water tank (201) is provided with a water outlet pipe (203), and valves are provided on the water inlet pipe (202) and the water outlet pipe (203).

3. The variable frequency high temperature fan according to claim 1, characterized in that: The filter box (301) has an installation opening at the lower end, a metal filter screen (303) is installed into the filter box (301) from the installation opening, and a metal frame (304) is arranged outside the metal filter screen (303).

4. A variable frequency high temperature fan according to claim 3, characterized in that: The lower end of the metal frame (304) is provided with a mounting cover plate (305), the lower end of the filter box (301) is provided with threaded holes distributed in an array, the mounting cover plate (305) is provided with mounting holes corresponding to the threaded holes, and bolts are installed in the mounting holes and the threads in the threaded holes.

5. The variable frequency high temperature fan according to claim 3, characterized in that: The inner wall of the filter box (301) is provided with a positioning groove which is in communication with the installation port, and the metal frame (304) is located in the positioning groove.

6. The variable frequency high temperature fan according to claim 3, characterized in that: An air inlet pipe (302) is installed at the side end of the filter box (301), and the air inlet pipe (302) is connected to the filter box (301).

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