CN216666050U

CN216666050U - Raw material circulating fan

Info

Publication number: CN216666050U
Application number: CN202123211089.0U
Authority: CN
Inventors: 李小军; 陈亚强; 白雪瑞; 宋良山
Original assignee: Shaanxi Fengshi Cement Co ltd
Current assignee: Shaanxi Fengshi Cement Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-06-03
Anticipated expiration: 2031-12-20

Abstract

The utility model relates to the technical field of circulating fans, in particular to a raw material circulating fan. Its technical scheme includes amortization cover, mounting panel and base, mounting panel top axle center position department installs the casing through the support frame, the impeller is installed through even axle to casing inside, the play tuber pipe is installed at the casing top, the connecting pipe is installed to casing one side, the rose box is installed to the connecting pipe end, the air-supply line is installed in the rose box outside, the cushion socket is installed at the base top, the shock attenuation post is installed to the bottom of cushion socket inner wall, and shock attenuation post top and mounting panel bottom are connected. The utility model can reduce the abrasion between the impeller and the inner wall of the shell, thereby prolonging the service life of the circulating fan, reducing the noise pollution generated in the working process of the circulating fan and simultaneously playing a role in damping and buffering the circulating fan in the running process.

Description

Raw material circulating fan

Technical Field

The utility model relates to the technical field of circulating fans, in particular to a raw material circulating fan.

Background

The raw material vertical mill circulating air pipe has the function of circulating part of waste gas back to the mill when the air quantity of the raw material vertical mill is insufficient. The opening of the circulating air baffle plate is required to be adjusted by an operator according to the actual working condition of the mill. Some factory process arrangements are without cyclone and circulating air (double-fan system, namely kiln tail ID fan and EP fan), the air quantity used by the mill is consistent with the air discharge quantity of the kiln, the kiln tail waste gas passes through the mill, and when the mill is stopped, the waste gas enters the electric dust collector from the bypass.

Through mass search, the typical inlet buffer device of the raw material circulating fan disclosed in the publication number CN203214457U in the prior art is found, when the supply fluctuation of CO2 gas occurs, the gas washing efficiency of the gas washing tower is low or the water separation effect of the steam-water separator is poor, the gas is buffered by the buffer tank, the air inlet fluctuation of the circulating fan and the water vapor and dust in the gas are improved, so that the long-period stable operation of the circulating fan is ensured.

The existing raw material circulating fan contains a large amount of particulate matter impurities in circulating waste gas in the using process, the circulating waste gas enters a shell of the fan to cause large abrasion of an impeller and the inner wall of the shell, the service life of the circulating fan is shortened, and therefore the raw material circulating fan is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a raw material circulating fan which has the advantages of reducing the abrasion of an impeller and the inner wall of a shell, prolonging the service life of the circulating fan, reducing the noise pollution generated in the working process of the circulating fan, simultaneously playing a role of damping and buffering for the circulating fan in the running process, and solving the problems that the impeller and the inner wall of the shell are greatly abraded due to the fact that a large amount of particulate impurities contained in the circulating waste gas of the existing raw material circulating fan enter the shell of the fan in the using process of the existing raw material circulating fan, and the service life of the circulating fan is shortened.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a raw materials circulating fan, includes amortization cover, mounting panel and base, mounting panel top axle center position department installs the casing through the support frame, the impeller is installed through even axle to casing inside, the tuber pipe is installed at the casing top, the connecting pipe is installed to casing one side, the rose box is installed to the connecting pipe end, the air-supply line is installed in the rose box outside, the cushion socket is installed at the base top, the shock attenuation post is installed to the bottom of cushion socket inner wall, and shock attenuation post top and mounting panel bottom are connected.

Preferably, the rotating motor is installed on one side of the top of the installation plate, which deviates from the connecting pipe, and the output end of the rotating motor is connected with the tail end of the connecting shaft through a coupling. The impeller is driven to rotate by the rotation of the rotating motor.

Preferably, the shock attenuation post leads to and is equipped with four, and four the shock attenuation post is located the bottom of cushion socket inner wall and is close to four angular position departments. The four shock absorption columns play a role in shock absorption and buffering for equipment such as a rotating motor and a machine shell at the top of the mounting plate.

Preferably, a fixed frame is installed at the top of the installation plate, and a silencing cover is installed at the top of the fixed frame. The arrangement of the silencing cover can absorb part of noise generated in the running process of the rotating motor and the impeller, and the noise pollution is reduced.

Preferably, a filter screen frame is installed on one side, close to the connecting pipe, of the interior of the filter box, and a filter screen is installed inside the filter screen frame. The filter screen can filter out larger particulate impurities in the circulating waste gas, so that the abrasion of the impeller and the inner wall of the shell is reduced.

Preferably, the rose box internally mounted has the pivot, the flabellum is installed to the pivot end, the scraper blade is installed to one side that the pivot surface deviates from the connecting pipe. The inside air current of connecting pipe drives the flabellum and rotates to make the scraper blade strike off the great particulate matter impurity of filter screen surface adhesion.

Preferably, the bottom of the filter box is provided with a collecting box, the bottom of the inner wall of the collecting box is provided with a collecting box, and the bottom of the filter box is provided with a slag discharge port. The larger particulate impurities scraped by the scraper fall into a collecting box inside the collecting box through a slag discharge port.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the arrangement of the filter box and the filter screen, the effect of reducing the abrasion of the impeller and the inner wall of the shell so as to prolong the service life of the circulating fan is achieved, the filter screen can filter out larger particulate impurities in the circulating exhaust gas, and the air flow in the connecting pipe drives the fan blades to rotate, so that the scraper scrapes off the larger particulate impurities adhered to the surface of the filter screen, and the larger particulate impurities scraped off by the scraper fall into the collection box in the collection box through the slag discharge port.

2. According to the utility model, the silencing cover and the damping columns are arranged, so that noise pollution generated in the working process of the circulating fan can be reduced, the effect of damping and buffering the circulating fan in the operation process is achieved, the four damping columns play a role of damping and buffering equipment such as a rotating motor and a shell at the top of the mounting plate, the silencing cover can absorb part of noise generated in the operation process of the rotating motor and the impeller, and the noise pollution is reduced.

Drawings

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

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic view of a partial front view of the housing of the present invention;

FIG. 4 is a partial schematic front view of the filter box of the present invention;

FIG. 5 is a schematic side view of the present invention.

Reference numerals: 1. an air outlet pipe; 2. a sound deadening hood; 3. mounting a plate; 4. a fixing frame; 5. a base; 6. a shock absorbing seat; 7. an air inlet pipe; 8. a filter box; 9. a connecting pipe; 10. a housing; 11. a coupling; 12. rotating the motor; 13. a shock-absorbing post; 14. an impeller; 15. a connecting shaft; 16. a support frame; 17. a fan blade; 18. a slag discharge port; 19. a collection box; 20. a collection box; 21. a screen frame; 22. a filter screen; 23. a rotating shaft; 24. a scraper.

Detailed Description

The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-5, the raw material circulating fan provided by the utility model comprises a silencing cover 2, a mounting plate 3 and a base 5, wherein a casing 10 is installed at the top axis position of the mounting plate 3 through a support frame 16, an impeller 14 is installed inside the casing 10 through a connecting shaft 15, an air outlet pipe 1 is installed at the top of the casing 10, a connecting pipe 9 is installed at one side of the casing 10, a filter box 8 is installed at the tail end of the connecting pipe 9, an air inlet pipe 7 is installed at the outer side of the filter box 8, a damping seat 6 is installed at the top of the base 5, damping columns 13 are installed at the bottom of the inner wall of the damping seat 6, four damping columns 13 are arranged on the top of the damping seat 6, the four damping columns 13 are respectively arranged at positions close to four corners of the bottom of the inner wall of the damping seat 6, the top of the damping columns 13 is connected with the bottom of the mounting plate 3, a fixing frame 4 is installed at the top of the fixing frame 4, a rotating motor 12 is installed at one side of the top of the mounting plate 3, which is far away from the connecting pipe 9, the output end of the rotating motor 12 is connected with the tail end of the connecting shaft 15 through a coupling 11.

The working principle of the raw material circulating fan based on the embodiment 1 is as follows: the four shock absorption columns 13 play a shock absorption and buffering role in the rotating motor 12 and the machine shell 10 and other equipment at the top of the mounting plate 3, the silencing cover 2 can absorb part of noise generated in the running process of the rotating motor 12 and the impeller 14, and noise pollution is reduced.

Example two

As shown in fig. 2 and 4, compared with the first embodiment, the raw material circulating fan provided by the present invention further includes a filter screen frame 21 installed at one side of the inside of the filter box 8 close to the connecting pipe 9, a filter screen 22 installed inside the filter screen frame 21, a rotating shaft 23 installed inside the filter box 8, a fan blade 17 installed at the end of the rotating shaft 23, a scraper 24 installed at one side of the outer surface of the rotating shaft 23 away from the connecting pipe 9, a collecting box 19 installed at the bottom of the filter box 8, a collecting box 20 installed at the bottom of the inner wall of the collecting box 19, and a slag discharge port 18 installed at the bottom of the filter box 8.

In this embodiment, great particulate matter impurity in the filter screen 22 can the filtering circulation waste gas, and the inside air current of connecting pipe 9 drives flabellum 17 and rotates to make scraper blade 24 strike off the great particulate matter impurity of filter screen 22 surface adhesion, the great particulate matter impurity who is struck off by scraper blade 24 falls into the collection box 20 of collecting box 19 inside through row cinder notch 18.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.

Claims

1. The utility model provides a raw materials circulating fan, includes amortization cover (2), mounting panel (3) and base (5), its characterized in that: casing (10) are installed through support frame (16) to mounting panel (3) top axle center position department, impeller (14) are installed through even axle (15) to casing (10) inside, casing (10) top is installed out tuber pipe (1), connecting pipe (9) are installed to casing (10) one side, rose box (8) are installed to connecting pipe (9) end, air-supply line (7) are installed in the rose box (8) outside, vibration damping seat (6) are installed at base (5) top, shock absorber (13) are installed to the bottom of vibration damping seat (6) inner wall, and vibration damper (13) top and mounting panel (3) bottom are connected.

2. The raw material circulation fan according to claim 1, wherein: the mounting panel (3) top deviates from one side of connecting pipe (9) and installs rotation motor (12), rotation motor (12) output and even axle (15) end are connected through shaft coupling (11).

3. The raw material circulation fan according to claim 1, characterized in that: shock attenuation post (13) lead to and are equipped with four, and four shock attenuation post (13) branch is located the bottom of cushion socket (6) inner wall and is close to four angular position departments.

4. The raw material circulation fan according to claim 1, characterized in that: fixed frame (4) are installed at mounting panel (3) top, amortization cover (2) are installed at fixed frame (4) top.

5. The raw material circulation fan according to claim 1, characterized in that: the filter box is characterized in that a filter screen frame (21) is installed on one side, close to the connecting pipe (9), of the interior of the filter box (8), and a filter screen (22) is installed inside the filter screen frame (21).

6. The raw material circulation fan according to claim 1, wherein: rose box (8) internally mounted has pivot (23), flabellum (17) are installed to pivot (23) end, scraper blade (24) are installed to one side that pivot (23) surface deviates from connecting pipe (9).

7. The raw material circulation fan according to claim 1, characterized in that: the filter box is characterized in that a collecting box (19) is installed at the bottom of the filter box (8), a collecting box (20) is installed at the bottom of the inner wall of the collecting box (19), and a slag discharging port (18) is formed in the bottom of the filter box (8).