CN217401202U

CN217401202U - Compact combustion-supporting fan for smelting furnace

Info

Publication number: CN217401202U
Application number: CN202123357099.5U
Authority: CN
Inventors: 陈银龙; 郭双; 尹丽霞
Original assignee: Luoyang Beibo Sanyuanliu Fan Technology Co ltd
Current assignee: Luoyang Beibo Sanyuanliu Fan Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-09-09
Anticipated expiration: 2031-12-29

Abstract

The utility model provides a combustion-supporting fan of compact for smelting furnace, the on-line screen storage device comprises a base, impeller and motor, the output shaft and the impeller of motor are connected, the impeller is located the inside of interior casing, the outside of interior casing is equipped with the shell body, it is 80 ~ 100 mm's cavity to have the width between interior casing and the shell body, be equipped with the amortization cotton in the cavity between interior casing and the shell body, be equipped with the shock pad on the base, the bottom of shell body is installed on the shock pad, the outside that the motor is located the shell body, the bearing installation of motor is on the shock pad, the outside of motor is equipped with the motor amortization cover, it has the crest sponge to paste on the inner wall of motor amortization cover, air intake and air outlet have been seted up in the cooperation on interior casing and the shell body, one side that the motor amortization cover was kept away from to the shell body is equipped with the muffler, the muffler install on the base and with air intake connection. The utility model discloses compact structure is reliable and stable, and occupation space is little, can install at the furnace roof of smelting furnace, and it is big to have solved combustion fan occupation space, and the noise exceeds standard, the big scheduling problem of fan vibration.

Description

Compact combustion-supporting fan for smelting furnace

Technical Field

The utility model relates to a combustion fan field especially relates to a combustion fan of compact for smelting furnace.

Background

The fans are widely applied to various industrial kiln systems and conveying pipeline systems, combustion-supporting fans used on the smelting furnace are basically single-layer shell fans without any accessories, and due to the special application of the smelting furnace, the combustion-supporting fans are fans with high pressure ratio and medium flow, the noise ratio of the fans during operation is high, the vibration is high, the size of the existing combustion-supporting fans is large, a transmission structure occupies too much space, and the fans are inconvenient to install on the smelting furnace.

SUMMERY OF THE UTILITY MODEL

For solving the problem that current combustion fan occupation space is big, the noise is big, the fan vibrates greatly, the utility model provides a compact combustion fan for smelting furnace.

The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: the utility model provides a combustion-supporting fan of compact for smelting furnace, the on-line screen storage device comprises a base, impeller and motor, the output shaft and the impeller of motor are connected, the impeller is located the inside of interior casing, the outside of interior casing is equipped with the shell body, it is 80 ~ 100 mm's cavity to have the width between interior casing and the shell body, be equipped with the amortization cotton in the cavity between interior casing and the shell body, be equipped with the shock pad on the base, the bottom of shell body is installed on the shock pad, the outside that the motor is located the shell body, the bearing installation of motor is on the shock pad, the outside of motor is equipped with the motor amortization cover, it has 50 ~ 70mm thick crest sponge to paste on the inner wall of motor amortization cover, air intake and air outlet have been seted up in the cooperation on interior casing and the shell body, the shell body is kept away from one side of motor amortization cover and is equipped with the muffler, the muffler is installed on the base and with air intake connection.

Preferably, the inner shell and the outer shell are matched with each other to form an access hole, and lifting lugs are installed on the inner shell and the outer shell.

Preferably, a protective net is arranged on the silencer.

Preferably, the output shaft of the motor is provided with a heat radiation fan, and the output shaft of the motor penetrates through the inner shell and is provided with a shaft seal.

According to the technical scheme, the beneficial effects of the utility model are that:

the utility model installs the impeller in the double-layer shell structure of the inner shell and the outer shell, and fills the noise reduction cotton between the inner shell and the outer shell, thereby effectively reducing the noise when the impeller rotates, the motor noise reduction cover is arranged outside the motor, and the motor and the outer shell are both arranged on the shock pad, not only can isolate the noise of the motor, but also can reduce the vibration of the impeller and the motor in the operation process, not only plays a role in protection, but also can reduce the vibration noise of the fan, the noise of the combustion fan is effectively reduced from multiple angles by matching with the silencer connected on the air inlet, the output shaft of the motor is directly connected with the impeller, the transmission part with larger volume is omitted, the structure is compact, stable and reliable, the occupied space is small, the whole machine can be installed on the furnace top of the smelting furnace, the problems that the occupied space of the combustion fan is large, the noise exceeds the standard, the fan vibration is large, and the like are solved, is convenient for popularization and application.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is an axial cross-sectional view of the inner and outer housings.

The labels in the figure are: 1. the motor noise reduction device comprises a base, 2, a shock pad, 3, an impeller, 4, a motor, 5, a motor noise reduction cover, 6, a cooling fan, 7, a shaft seal, 8, an inner shell, 9, an outer shell, 10, a silencer, 11, a protective net, 12, a lifting lug, 13, noise reduction cotton, 14 and an access hole.

Detailed Description

Referring to the drawings, the specific embodiments are as follows:

the utility model provides a combustion fan for smelting furnace compact, includes base 1, impeller 3 and motor 4, and impeller 3 is located interior casing 8's inside, and interior casing 8's the outside is equipped with shell body 9, has the width to be 80 ~ 100 mm's cavity between interior casing 8 and the shell body 9, is equipped with amortization cotton 13 in the cavity between interior casing 8 and the shell body 9. The inner shell 8 and the outer shell 9 are provided with an access opening 14 in a matching way, and lifting lugs 12 are arranged on the inner shell and the outer shell. As shown in fig. 2, the noise reduction cotton can effectively reduce the noise generated when the impeller 3 rotates.

The output shaft of the motor 4 is connected with the impeller 3, a transmission part with larger volume is omitted, the structure of direct connection between the motor and the impeller is compact, stable and reliable, the volume of the fan is saved, and the whole machine can be arranged on the top of the smelting furnace. The output shaft of the motor 4 is provided with a heat radiation fan 6 which can radiate heat for the motor, and a shaft seal 7 is arranged at the position where the output shaft of the motor 4 penetrates through the inner shell 8, thus being capable of preventing air leakage.

Base 1 is by the channel-section steel concatenation, be equipped with shock pad 2 on base 1, install on shock pad 2 the bottom of shell body 9, motor 4 is located the outside of shell body 9, motor 4's bearing installation is on shock pad 2, motor 4's the outside is equipped with motor amortization cover 5, it has 50 thick crest sponges to paste on motor amortization cover 5's the inner wall, can not only completely cut off motor 4's noise, and can reduce impeller 3 and motor 4 vibration at the operation in-process, not only play the guard action, also can reduce the vibration noise of fan.

Air intake and air outlet have been seted up in the cooperation on interior casing 8 and the shell body 9, and one side that motor amortization cover 5 was kept away from to shell body 9 is equipped with muffler 10, and muffler 10 is installed on base 1 and with air intake connection, is equipped with protection network 11 on muffler 10, prevents that maloperation or on-the-spot article from being inhaled by the fan.

Claims

1. A compact combustion fan for a smelting furnace, characterized in that: comprises a base (1), an impeller (3) and a motor (4), an output shaft of the motor (4) is connected with the impeller (3), the impeller (3) is positioned in an inner shell (8), the outer side of the inner shell (8) is provided with an outer shell (9), a cavity with the width of 80-100 mm is arranged between the inner shell (8) and the outer shell (9), silencing cotton (13) is arranged in the cavity between the inner shell (8) and the outer shell (9), a damping pad (2) is arranged on the base (1), the bottom end of the outer shell (9) is arranged on the damping pad (2), the motor (4) is positioned on the outer side of the outer shell (9), a support of the motor (4) is arranged on the damping pad (2), a motor silencing cover (5) is arranged on the outer side of the motor (4), wave-peak sponge with the thickness of 50-70 mm is adhered on the inner wall of the motor silencing cover (5), an air inlet and an air outlet are arranged on the inner shell (8) and the outer shell (9) in a matching way, one side of the outer shell (9) far away from the motor silencing cover (5) is provided with a silencer (10), and the silencer (10) is installed on the base (1) and connected with an air inlet.

2. A compact combustion fan for a smelting furnace according to claim 1, characterized in that: an access hole (14) is arranged on the inner shell (8) and the outer shell (9) in a matching way, and a lifting lug (12) is arranged on the inner shell.

3. A compact combustion fan for a smelting furnace according to claim 1, characterized in that: the silencer (10) is provided with a protective net (11).

4. A compact combustion fan for a smelting furnace according to claim 1, characterized in that: the output shaft of the motor (4) is provided with a heat radiation fan (6), and the position of the output shaft of the motor (4) penetrating through the inner shell (8) is provided with a shaft seal (7).