CN220270104U

CN220270104U - Low-resistance air pipe

Info

Publication number: CN220270104U
Application number: CN202321779455.9U
Authority: CN
Inventors: 朱军
Original assignee: Sichuan Emeishan Southwest Cement Co ltd
Current assignee: Sichuan Emeishan Southwest Cement Co ltd
Priority date: 2023-07-07
Filing date: 2023-07-07
Publication date: 2023-12-29
Anticipated expiration: 2033-07-07

Abstract

The utility model provides a low resistance tuber pipe relates to cement manufacture equipment technical field, including the air-supply line, go out tuber pipe and connecting pipe, the one end side at the connecting pipe is installed to the air-supply line, go out the tuber pipe and install the one end side of keeping away from the air-supply line at the connecting pipe, the first fixed plate is installed to the one end that the connecting pipe is close to the air-supply line, the second fixed plate is installed to the one end that the connecting pipe kept away from first fixed plate, be equipped with in the connecting pipe and scrape the dirt spare, the cylinder is installed in the outside of first fixed plate, the piston rod activity of cylinder runs through first fixed plate and scrapes the dirt spare and is connected, the below that goes out the tuber pipe is located the connecting pipe lower part and is equipped with the dirt mouth that unloads, it scrapes the dust valve to scrape the smoke and dust of adhesion on the tuber pipe inner wall to push away the dirt mouth that unloads through the cylinder drive, thereby reduce the resistance that cement kiln tail gas flows in the tuber pipe, avoid cement kiln tail gas to stay time overlength in the tuber pipe inside and lead to the heat loss.

Description

Low-resistance air pipe

Technical Field

The application relates to the technical field of cement production equipment, in particular to a low-resistance air pipe.

Background

The air duct is a pipeline system for air transportation and distribution, and comprises a composite air duct and an inorganic air duct. In the cement production process, the cement kiln tail gas is conveyed into a waste heat recovery device through an air pipe, and waste heat recovery is carried out on the cement kiln tail gas through the waste heat recovery device.

However, in the actual use process of the conventional air pipe, the smoke dust content of the tail gas of the cement kiln is high, the smoke dust is easy to adhere to the inner wall of the air pipe, so that the flowing resistance of the tail gas of the cement kiln is increased, the residence time of the tail gas of the cement kiln in the air pipe is prolonged, and the heat loss of the tail gas of the cement kiln is caused.

Disclosure of Invention

An object of the embodiment of the application is to provide a low-resistance air duct, which can solve the technical problem proposed by the background technology.

The embodiment of the application provides a low resistance tuber pipe, including air-supply line, play tuber pipe and connecting pipe, the air-supply line is installed one end side of connecting pipe, it installs to go out the tuber pipe the connecting pipe is kept away from one end side of air-supply line, the connecting pipe is close to first fixed plate is installed to the one end of air-supply line, the connecting pipe is kept away from the one end of first fixed plate is installed the second fixed plate, be equipped with in the connecting pipe and scrape the dirt spare, the cylinder is installed in the outside of first fixed plate, the piston rod activity of cylinder runs through first fixed plate with scrape the dirt spare and be connected, the below of going out the tuber pipe is located the connecting pipe lower part is equipped with unloads the dirt mouth, it installs the dirt valve to unload dirt mouth department.

Further, two limiting strips are arranged in the connecting pipe, the two limiting strips are symmetrically arranged, the dust scraping piece is matched with the connecting pipe, and a sliding interface matched with the limiting strips is arranged on the dust scraping piece.

Further, a filter screen is arranged in the air outlet pipe, and the bottom of the filter screen is flush with the inner surface of the connecting pipe.

Further, a dust box is arranged at the bottom of the dust discharging opening, a dust discharging opening is arranged at the bottom of the dust box, and a dust discharging valve is arranged at the dust discharging opening.

Further, the connecting pipe is a square pipe.

Further, the air inlet pipe is obliquely arranged, and the upper end of the air inlet pipe is close to the air cylinder.

The utility model has the beneficial effects that:

according to the utility model, the cylinder drives the dust scraping piece to scrape the dust adhered to the inner wall of the air pipe and push the dust scraping piece to the dust discharging port to discharge the dust, so that the flowing resistance of the tail gas of the cement kiln in the air pipe is reduced, the heat loss caused by overlong residence time of the tail gas of the cement kiln in the air pipe is avoided, and meanwhile, when the dust adhered to the inner wall of the air pipe is not required to be treated, the dust scraping piece is positioned at one end of the connecting pipe, which is close to the air inlet pipe, and the tail gas of the cement kiln is not blocked.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of some embodiments of the present application;

FIG. 2 is a schematic view of a dust scraper in accordance with some embodiments of the present disclosure mated with a connecting tube;

the reference numerals are respectively:

1. an air inlet pipe; 2. an air outlet pipe; 3. a connecting pipe; 31. a limit bar; 4. a first fixing plate; 5. a second fixing plate; 6. a dust scraping member; 61. a sliding interface; 7. a cylinder; 8. a dust discharging port; 9. a dust discharging valve; 10. a filter screen; 11. a dust collection box; 12. a dust discharge port; 13. a dust exhaust valve.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships that are conventionally put in use of the product of the application, are merely for convenience of description of the present application and simplification of description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

Specific examples:

as shown in fig. 1 and 2, the application provides a low resistance type tuber pipe, including air-supply line 1, go out tuber pipe 2 and connecting pipe 3, air-supply line 1 installs the one end side at connecting pipe 3, it installs the one end side of keeping away from air-supply line 1 at connecting pipe 3 to go out tuber pipe 2, first fixed plate 4 is installed to the one end that connecting pipe 3 is close to air-supply line 1, second fixed plate 5 is installed to the one end that first fixed plate 4 was kept away from to connecting pipe 3, block up the both ends of connecting pipe 3 through first fixed plate 4 and second fixed plate 5, be equipped with in connecting pipe 3 and scrape dirt spare 6, cylinder 7 is installed in the outside of first fixed plate 4, cylinder 7's piston rod activity runs through first fixed plate 4 and is connected with scraping dirt spare 6, it is equipped with dust discharging mouth 8 to go out dirt mouth 8 department and install dust discharging valve 9 to be located in connecting pipe 3 lower part, thereby push away the dust scraping the dust of adhesion on the inner wall of connecting pipe 3 through cylinder 7 drive dirt spare 6, and thereby reduce the resistance that kiln tail gas discharged cement kiln and unload the inside tuber pipe, avoid kiln tail gas to stop at inside cement to lead to heat loss at the tuber pipe inside time.

As shown in fig. 2, two limiting strips 31 are arranged in the connecting pipe 3, the two limiting strips 31 are symmetrically arranged, the dust scraping piece 6 is matched with the connecting pipe 3, a sliding interface 61 matched with the limiting strip 31 is arranged on the dust scraping piece 6, the telescopic rod of the air cylinder 7 pushes the dust scraping piece 6 to move along the limiting strip 31, so that the dust scraping piece 6 moves stably

As shown in fig. 1, a filter screen 10 is installed in the air outlet pipe 2, the bottom of the filter screen 10 is flush with the inner surface of the connecting pipe 3, and smoke dust in the tail gas of the cement kiln is filtered through the filter screen 10, so that the smoke dust in the tail gas of the cement kiln is prevented from entering the air outlet pipe 2 to be bonded, and when the dust scraping piece 6 cleans the smoke dust in the connecting pipe 3, the smoke dust adhered on the filter screen 10 can be scraped together.

As shown in fig. 1, the dust box 11 is installed at the bottom of the dust discharging port 8, the dust discharging port 12 is arranged at the bottom of the dust box 11, the dust discharging valve 13 is installed at the dust discharging port 12, the dust discharged through the dust discharging port 8 can be temporarily stored in the dust box 11, the dust in the dust box 11 can be discharged by opening the dust discharging valve 13, and the dust can be conveniently concentrated.

As shown in fig. 1 and 2, the connecting pipe 3 is a square pipe, and the square connecting pipe 3 is simple to manufacture and is convenient to connect with the air inlet pipe 1 and the air outlet pipe 2.

As shown in fig. 1, the air inlet pipe 1 is obliquely arranged, and the upper end of the air inlet pipe 1 is close to the air cylinder 7, and the obliquely arranged air inlet pipe 1 can prevent cement kiln tail gas from entering the connecting pipe 3 more smoothly, so that the cement kiln tail gas is prevented from impacting the joint of the air inlet pipe 1 and the connecting pipe 3.

During concrete implementation, the air inlet pipe 1 is connected with the kiln tail of the cement kiln, the air outlet pipe 2 is connected with the waste heat recovery device, the tail gas of the cement kiln sequentially passes through the air inlet pipe 1, the connecting pipe 3 and the air outlet pipe 2, the tail gas of the cement kiln is filtered through the filter screen 10 when the air outlet pipe 2 is used, when dust adhered to the inner wall of the connecting pipe 3 is required to be cleaned, the dust discharging valve 9 is opened, the air cylinder 7 is started, the air cylinder 7 drives the dust scraping piece 6 to scrape the dust adhered to the inner wall of the air pipe, the dust scraping piece 6 is pushed to the dust discharging opening 8 to enter the dust collecting box 11, the dust collecting box 11 is used for carrying out centralized treatment, the piston rod of the air cylinder 7 drives the dust scraping piece 6 to return to the initial position after the cleaning is finished, the tail gas of the cement kiln is not blocked, and the dust discharging valve 9 is closed, and the cleaning is completed once.

The foregoing is merely a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and variations may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A low resistance tuber pipe, characterized in that: including air-supply line, play tuber pipe and connecting pipe, the air-supply line is installed one end side of connecting pipe, it is in to go out the tuber pipe is installed the connecting pipe is kept away from one end side of air-supply line, the connecting pipe is close to the one end of air-supply line is installed first fixed plate, the connecting pipe is kept away from the one end of first fixed plate is installed the second fixed plate, be equipped with in the connecting pipe and scrape the dirt piece, the cylinder is installed in the outside of first fixed plate, the piston rod activity of cylinder runs through first fixed plate with scrape the dirt piece and be connected, the below of air-supply line is located the connecting pipe lower part is equipped with and unloads the dirt mouth, it installs the dirt valve to unload dirt mouth department.

2. A low resistance air duct according to claim 1, wherein: two limit bars are arranged in the connecting pipe, the two limit bars are symmetrically arranged, the dust scraping piece is matched with the connecting pipe, and a sliding interface matched with the limit bars is arranged on the dust scraping piece.

3. A low resistance air duct according to claim 1, wherein: the filter screen is installed in the air outlet pipe, and the bottom of the filter screen is flush with the inner surface of the connecting pipe.

4. A low resistance air duct according to claim 1, wherein: the bottom of the dust discharging opening is provided with a dust collecting box, the bottom of the dust collecting box is provided with a dust discharging opening, and the dust discharging opening is provided with a dust discharging valve.

5. A low resistance air duct according to claim 1, wherein: the connecting pipe is a square pipe.

6. A low resistance air duct according to claim 1, wherein: the air inlet pipe is obliquely arranged, and the upper end of the air inlet pipe is close to the air cylinder.